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merge mainline into nestpart

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-02-06 18:47:17 +01:00
commit bc6fcf0931
62 changed files with 7634 additions and 189 deletions
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271
ChangeLog
View file

@ -1,3 +1,274 @@
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
* loader/i386/pc/xnu.c (grub_xnu_set_video): Add const qualifier to
modevar.
Return grub_errno on allocation error.
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
* disk/ieee1275/ofdisk.c (grub_ofdisk_read): Correct error handling.
2010-02-06 Yves Blusseau <blusseau@zetam.org>
* conf/common.rmk (grub_script_check_SOURCES): add missing dependencies.
(grub_mkpasswd_pbkdf2_SOURCES): Likewise.
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
* fs/i386/pc/pxe.c (grub_pxefs_dir): Return with failure on
non-pxe disk.
(grub_pxefs_open): Likewise.
2010-02-06 Robert Millan <rmh.grub@aybabtu.com>
* util/grub.d/10_hurd.in: Add --class information to menuentries.
* util/grub.d/10_kfreebsd.in: Likewise.
* util/grub.d/10_linux.in: Likewise.
2010-02-06 Colin D Bennett <colin@gibibit.com>
* conf/common.rmk (pkglib_MODULES): Add gfxmenu.mod.
(gfxmenu_mod_SOURCES): New variable.
(gfxmenu_mod_CFLAGS): Likewise.
(gfxmenu_mod_LDFLAGS): Likewise.
* include/grub/term.h (grub_term_set_current_output): Declare
argument as const.
* docs/gfxmenu-theme-example.txt: New file.
* gfxmenu/gfxmenu.c: Likewise.
* gfxmenu/gui_box.c: Likewise.
* gfxmenu/gui_canvas.c: Likewise.
* gfxmenu/gui_circular_progress.c: Likewise.
* gfxmenu/gui_image.c: Likewise.
* gfxmenu/gui_label.c: Likewise.
* gfxmenu/gui_list.c: Likewise.
* gfxmenu/gui_progress_bar.c: Likewise.
* gfxmenu/gui_string_util.c: Likewise.
* gfxmenu/gui_util.c: Likewise.
* gfxmenu/icon_manager.c: Likewise.
* gfxmenu/model.c: Likewise.
* gfxmenu/named_colors.c: Likewise.
* gfxmenu/theme_loader.c: Likewise.
* gfxmenu/view.c: Likewise.
* gfxmenu/widget-box.c: Likewise.
* include/grub/gfxmenu_model.h: Likewise.
* include/grub/gfxmenu_view.h: Likewise.
* include/grub/gfxwidgets.h: Likewise.
* include/grub/gui.h: Likewise.
* include/grub/gui_string_util.h: Likewise.
* include/grub/icon_manager.h: Likewise.
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
Agglomerate scrolling in gfxterm.
* term/gfxterm.c (grub_virtual_screen): New member 'total_screen'.
(grub_virtual_screen_setup): Initialise 'total_screen'.
(write_char): Split to ...
(paint_char): ... this ...
(write_char): ... and this.
(paint_char): Handle delayed scrolling.
(draw_cursor): Likewise.
(scroll_up): Split to ...
(real_scroll): ... this ...
(scroll_up): ... and this.
(real_scroll): Handle multi-line scroll and draw below-the-bottom
characters.
(grub_gfxterm_refresh): Call real_scroll.
2010-02-06 Colin D Bennett <colin@gibibit.com>
* include/grub/misc.h (grub_iscntrl): New inline function.
(grub_isalnum): Likewise.
(grub_strtol): Likewise.
2010-02-06 Colin D Bennett <colin@gibibit.com>
* normal/menu_text.c (get_entry_number): Move from here ...
* normal/menu.c (get_entry_number): ... moved here.
* include/grub/menu.h (grub_menu_get_default_entry_index):
New prototype.
* normal/menu.c (grub_menu_get_default_entry_index): New function.
* normal/menu_text.c (run_menu): Use grub_menu_get_default_entry_index.
* include/grub/menu_viewer.h (grub_menu_viewer_init): New prototype.
(grub_menu_viewer_should_return): Likewise.
* normal/main.c (GRUB_MOD_INIT (normal)): Call grub_menu_viewer_init.
* normal/menu_text.c (run_menu): Enable menu switching.
* normal/menu_viewer.c (should_return): New variable.
(menu_viewer_changed): Likewise.
(grub_menu_viewer_show_menu): Handle menu viewer changes.
(grub_menu_viewer_should_return): New function.
(menuviewer_write_hook): Likewise.
(grub_menu_viewer_init): Likewise.
2010-02-06 Colin D Bennet <colin@gibibit.com>
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
Support for gfxterm in a window.
* include/grub/gfxterm.h: New file.
* include/grub/video.h (struct grub_video_rect): New declaration.
(grub_video_rect_t): Likewise.
* term/gfxterm.c (struct grub_gfxterm_window): New type.
(refcount): New variable.
(render_target): Likewise.
(window): Likewise.
(repaint_callback): Likewise.
(grub_virtual_screen_setup): Use 'render_target'.
(init_window): New function.
(grub_gfxterm_init_window): Likewise.
(grub_gfxterm_init): Check reference counter.
Use init_window.
(destroy_window): New function.
(grub_gfxterm_destroy_window): Likewise.
(grub_gfxterm_fini): Check reference counter.
Use destroy_window.
(redraw_screen_rect): Restore viewport.
Use 'render_target' and 'window'.
Call 'repaint_callback'.
(write_char): Use 'render_target'.
(draw_cursor): Likewise.
(scroll_up): Restore viewport.
Use 'render_target' and 'window'.
Call 'repaint_callback'.
(grub_gfxterm_cls): Likewise.
(grub_gfxterm_refresh): Use 'window'.
(grub_gfxterm_set_repaint_callback): New function.
(grub_gfxterm_background_image_cmd): Use 'window'.
(grub_gfxterm_get_term): New function.
(GRUB_MOD_INIT(term_gfxterm)): Set 'refcount' to 0.
2010-02-06 Colin D Bennett <colin@gibibit.com>
Bitmap scaling support.
* conf/common.rmk (pkglib_MODULES): Add bitmap_scale.mod.
(bitmap_scale_mod_SOURCES): New variable.
(bitmap_scale_mod_CFLAGS): Likewise.
(bitmap_scale_mod_LDFLAGS): Likewise.
* include/grub/bitmap_scale.h: New file.
* term/gfxterm.c (BACKGROUND_CMD_ARGINDEX_MODE): New definiton.
(background_image_cmd_options): New variable.
(grub_gfxterm_background_image_cmd): Support bitmap stretching.
(cmd): Rename and change type to ...
(background_image_cmd_handle): ... this. All users updated.
(GRUB_MOD_INIT(term_gfxterm)): Make background_image extended command.
* video/bitmap_scale.c: New file.
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
SDL support.
* Makefile.in (LIBSDL): New variable.
(enable_grub_emu_sdl): Likewise.
* conf/i386-pc.rmk (grub_emu_SOURCES): Add video files.
(grub_emu_SOURCES) [enable_grub_emu_sdl]: Add util/sdl.c.
(grub_emu_LDFLAGS) [enable_grub_emu_sdl]: Add $(LIBSDL).
* configure.ac: Detect SDL availability and add --enable-grub-emu-sdl
* util/sdl.c: New file.
2010-02-06 Colin D Bennett <colin@gibibit.com>
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
Double buffering support.
* commands/i386/pc/videotest.c (grub_cmd_videotest): Swap doublebuffers.
* include/grub/video.h: Update comment.
* include/grub/video_fb.h (grub_video_fb_doublebuf_update_screen_t):
New type.
(grub_video_fb_doublebuf_blit_init): New prototype.
* term/gfxterm.c (scroll_up): Support double buffering.
(grub_gfxterm_refresh): Likewise.
* video/fb/video_fb.c (doublebuf_blit_update_screen): New function.
(grub_video_fb_doublebuf_blit_init): Likewise.
* video/i386/pc/vbe.c (framebuffer): Remove 'render_target'. Add
'front_target', 'back_target', 'offscreen_buffer', 'page_size',
'displayed_page', 'render_page' and 'update_screen'.
(grub_video_vbe_fini): Free offscreen buffer.
(doublebuf_pageflipping_commit): New function.
(doublebuf_pageflipping_update_screen): Likewise.
(doublebuf_pageflipping_init): Likewise.
(double_buffering_init): Likewise.
(grub_video_vbe_setup): Enable doublebuffering.
(grub_video_vbe_swap_buffers): Implement.
(grub_video_vbe_set_active_render_target): Handle double buffering.
(grub_video_vbe_get_active_render_target): Likewise.
(grub_video_vbe_get_info_and_fini): Likewise. Free offscreen_buffer.
(grub_video_vbe_adapter): Use grub_video_vbe_get_active_render_target.
(grub_video_vbe_enable_double_buffering): Likewise.
(grub_video_vbe_swap_buffers): Use update_screen.
(grub_video_set_mode): Use double buffering.
2010-02-06 Robert Millan <rmh.grub@aybabtu.com>
* maintainance/gentrigtables.py: Remove.
* lib/trig.c: Likewise.
* gentrigtables.c: New file. C rewrite of gentrigtables.py.
* conf/common.rmk (trig_mod_SOURCES): Replace `lib/trig.c' with
`trigtables.c'.
(trigtables.c): New rule.
(gentrigtables): Likewise.
(DISTCLEANFILES): Add `trigtables.c' and `gentrigtables'.
2010-02-06 Robert Millan <rmh.grub@aybabtu.com>
* maintainance/gentrigtables.py: Avoid duplicate hardcoding of
integer constants.
2010-02-06 Colin D Bennet <colin@gibibit.com>
Trigonometry support.
* include/grub/trig.h: New file.
* lib/trig.c: Likewise.
* maintainance/gentrigtables.py: Likewise.
* conf/common.rmk (pkglib_MODULES): Add trig.mod.
(trig_mod_SOURCES): New variable.
(trig_mod_CFLAGS): Likewise.
(trig_mod_LDFLAGS): Likewise.
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
* kern/ieee1275/openfw.c (grub_ieee1275_encode_devname): Support whole
disk devices.
2010-02-06 Vladimir Serbinenko <phcoder@gmail.com>
* kern/ieee1275/openfw.c (grub_devalias_iterate): Stop iterating on
error.
2010-02-03 Vladimir Serbinenko <phcoder@gmail.com>
* util/hostdisk.c (open_device): Don't use partition device when reading
before the partition.
(grub_util_biosdisk_read): Don't read from partition and before the
partition in single operation.
(grub_util_biosdisk_write): Don't write to partition and before the
partition in single operation.
2010-02-03 Torsten Landschoff <torsten@debian.org>
* kern/disk.c (grub_disk_read): Fix offset computation when reading
last sectors.
2010-02-03 Vladimir Serbinenko <phcoder@gmail.com>
* disk/i386/pc/biosdisk.c (grub_biosdisk_read): Handle non-2048 aligned
CDROM reads.
(grub_biosdisk_write): Refuse to write to CDROM.
2010-01-31 Vladimir Serbinenko <phcoder@gmail.com>
* disk/ieee1275/ofdisk.c (grub_ofdisk_iterate): Fix off-by-one error.
2010-01-31 Vladimir Serbinenko <phcoder@gmail.com>
* font/font.c (find_glyph): Check that bmp_idx is available before
using it.
(grub_font_get_string_width): Never call grub_font_get_glyph_internal
with (font == NULL).
2010-01-28 Christian Schmitt <chris@ilovelinux.de>
* util/ieee1275/grub-install.in: Fix nvsetenv arguments.

2
Makefile.in
View file

@ -114,12 +114,14 @@ endif
AWK = @AWK@
LIBCURSES = @LIBCURSES@
LIBUSB = @LIBUSB@
LIBSDL = @LIBSDL@
LIBPCIACCESS = @LIBPCIACCESS@
YACC = @YACC@
FONT_SOURCE = @FONT_SOURCE@
# Options.
enable_grub_emu_usb = @enable_grub_emu_usb@
enable_grub_emu_sdl = @enable_grub_emu_sdl@
enable_grub_emu_pci = @enable_grub_emu_pci@
enable_grub_fstest = @enable_grub_fstest@
enable_grub_pe2elf = @enable_grub_pe2elf@

1
commands/minicmd.c
View file

@ -316,7 +316,6 @@ grub_mini_cmd_lsmod (struct grub_command *cmd __attribute__ ((unused)),
grub_printf ("%s", dep->mod->name);
}
grub_putchar ('\n');
grub_refresh ();
return 0;
}

26
conf/any-emu.rmk
View file

@ -42,6 +42,20 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
fs/ufs.c fs/ufs2.c fs/xfs.c fs/afs.c fs/afs_be.c \
fs/befs.c fs/befs_be.c fs/tar.c \
\
video/video.c video/fb/video_fb.c video/fb/fbblit.c \
video/fb/fbfill.c video/fb/fbutil.c commands/videotest.c \
video/bitmap.c video/bitmap_scale.c video/readers/tga.c \
video/readers/jpeg.c video/readers/png.c font/font_cmd.c \
font/font.c term/gfxterm.c io/bufio.c \
\
gfxmenu/gfxmenu.c gfxmenu/model.c gfxmenu/view.c \
gfxmenu/icon_manager.c gfxmenu/theme_loader.c \
gfxmenu/widget-box.c gfxmenu/gui_canvas.c \
gfxmenu/gui_circular_progress.c gfxmenu/gui_box.c \
gfxmenu/gui_label.c gfxmenu/gui_list.c gfxmenu/gui_image.c \
gfxmenu/gui_progress_bar.c gfxmenu/gui_util.c \
gfxmenu/gui_string_util.c gfxmenu/named_colors.c trigtables.c \
\
util/console.c util/hostfs.c util/grub-emu.c util/misc.c \
util/hostdisk.c util/getroot.c \
\
@ -65,6 +79,11 @@ grub_emu_SOURCES += disk/usbms.c util/usb.c bus/usb/usb.c \
grub_emu_LDFLAGS += $(LIBCURSES) $(LIBUSB)
endif
ifeq ($(enable_grub_emu_sdl), yes)
grub_emu_SOURCES += util/sdl.c
grub_emu_LDFLAGS += $(LIBSDL)
endif
ifeq ($(enable_grub_emu_pci), yes)
grub_emu_SOURCES += util/pci.c commands/lspci.c
grub_emu_LDFLAGS += $(LIBPCIACCESS)
@ -87,6 +106,13 @@ DISTCLEANFILES += grub_emu_init.c
# FIXME: this could be shared with common.rmk
trigtables.c: gentrigtables
./gentrigtables > $@
DISTCLEANFILES += trigtables.c
gentrigtables: gentrigtables.c
$(CC) -o $@ $^ $(CPPFLAGS) -lm
DISTCLEANFILES += gentrigtables
# For grub-mkfont.
ifeq ($(enable_grub_mkfont), yes)
bin_UTILITIES += grub-mkfont

45
conf/common.rmk
View file

@ -95,7 +95,8 @@ grub_bin2h_SOURCES = gnulib/progname.c util/bin2h.c
# For grub-script-check.
bin_UTILITIES += grub-script-check
util/grub-script-check.c_DEPENDENCIES = grub_script_check_init.h
grub_script_check_SOURCES = gnulib/progname.c util/grub-script-check.c util/misc.c \
grub_script_check_SOURCES = gnulib/progname.c gnulib/getdelim.c gnulib/getline.c \
util/grub-script-check.c util/misc.c \
script/main.c script/script.c script/function.c script/lexer.c \
kern/handler.c kern/err.c kern/parser.c kern/list.c \
kern/misc.c kern/env.c grub_script_check_init.c grub_script.tab.c
@ -457,6 +458,28 @@ hello_mod_SOURCES = hello/hello.c
hello_mod_CFLAGS = $(COMMON_CFLAGS)
hello_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For gfxmenu.mod.
pkglib_MODULES += gfxmenu.mod
gfxmenu_mod_SOURCES = \
gfxmenu/gfxmenu.c \
gfxmenu/model.c \
gfxmenu/view.c \
gfxmenu/icon_manager.c \
gfxmenu/theme_loader.c \
gfxmenu/widget-box.c \
gfxmenu/gui_canvas.c \
gfxmenu/gui_circular_progress.c \
gfxmenu/gui_box.c \
gfxmenu/gui_label.c \
gfxmenu/gui_list.c \
gfxmenu/gui_image.c \
gfxmenu/gui_progress_bar.c \
gfxmenu/gui_util.c \
gfxmenu/gui_string_util.c \
gfxmenu/named_colors.c
gfxmenu_mod_CFLAGS = $(COMMON_CFLAGS)
gfxmenu_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For parttool.mod.
parttool_mod_SOURCES = commands/parttool.c
parttool_mod_CFLAGS = $(COMMON_CFLAGS)
@ -628,6 +651,12 @@ bitmap_mod_SOURCES = video/bitmap.c
bitmap_mod_CFLAGS = $(COMMON_CFLAGS)
bitmap_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For bitmap_scale.mod
pkglib_MODULES += bitmap_scale.mod
bitmap_scale_mod_SOURCES = video/bitmap_scale.c
bitmap_scale_mod_CFLAGS = $(COMMON_CFLAGS)
bitmap_scale_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For tga.mod
tga_mod_SOURCES = video/readers/tga.c
tga_mod_CFLAGS = $(COMMON_CFLAGS)
@ -688,6 +717,18 @@ xnu_uuid_mod_SOURCES = commands/xnu_uuid.c
xnu_uuid_mod_CFLAGS = $(COMMON_CFLAGS)
xnu_uuid_mod_LDFLAGS = $(COMMON_LDFLAGS)
pkglib_MODULES += trig.mod
trig_mod_SOURCES = trigtables.c
trig_mod_CFLAGS = $(COMMON_CFLAGS)
trig_mod_LDFLAGS = $(COMMON_LDFLAGS)
trigtables.c: gentrigtables
./gentrigtables > $@
DISTCLEANFILES += trigtables.c
gentrigtables: gentrigtables.c
$(CC) -o $@ $^ $(CPPFLAGS) -lm
DISTCLEANFILES += gentrigtables
pkglib_MODULES += setjmp.mod
setjmp_mod_SOURCES = lib/$(target_cpu)/setjmp.S
setjmp_mod_ASFLAGS = $(COMMON_ASFLAGS)
@ -725,7 +766,7 @@ password_pbkdf2_mod_CFLAGS = $(COMMON_CFLAGS)
password_pbkdf2_mod_LDFLAGS = $(COMMON_LDFLAGS)
bin_UTILITIES += grub-mkpasswd-pbkdf2
grub_mkpasswd_pbkdf2_SOURCES = gnulib/progname.c util/grub-mkpasswd-pbkdf2.c lib/crypto.c lib/libgcrypt-grub/cipher/sha512.c lib/pbkdf2.c util/misc.c kern/err.c
grub_mkpasswd_pbkdf2_SOURCES = gnulib/progname.c gnulib/getdelim.c gnulib/getline.c util/grub-mkpasswd-pbkdf2.c lib/crypto.c lib/libgcrypt-grub/cipher/sha512.c lib/pbkdf2.c util/misc.c kern/err.c
grub_mkpasswd_pbkdf2_CFLAGS += -Wno-missing-field-initializers -Wno-error -I$(srcdir)/lib/libgcrypt_wrap -DGRUB_MKPASSWD=1
include $(srcdir)/conf/gcry.mk

2
conf/mips-yeeloong.rmk
View file

@ -21,7 +21,7 @@ kernel_img_SOURCES = kern/$(target_cpu)/startup.S \
font/font_cmd.c font/font.c io/bufio.c \
video/video.c video/fb/video_fb.c video/fb/fbblit.c \
video/fb/fbfill.c video/fb/fbutil.c video/bitmap.c \
video/sm712.c bus/pci.c bus/bonito.c \
video/bitmap_scale.c video/sm712.c bus/pci.c bus/bonito.c \
term/gfxterm.c commands/extcmd.c lib/arg.c \
symlist.c
kernel_img_CFLAGS = $(COMMON_CFLAGS) -DUSE_ASCII_FAILBACK

36
configure.ac
View file

@ -539,6 +539,10 @@ AC_ARG_ENABLE([grub-emu-usb],
[AS_HELP_STRING([--enable-grub-emu-usb],
[build and install the `grub-emu' debugging utility with USB support (default=guessed)])])
AC_ARG_ENABLE([grub-emu-sdl],
[AS_HELP_STRING([--enable-grub-emu-sdl],
[build and install the `grub-emu' debugging utility with SDL support (default=guessed)])])
AC_ARG_ENABLE([grub-emu-pci],
[AS_HELP_STRING([--enable-grub-emu-pci],
[build and install the `grub-emu' debugging utility with PCI support (potentially dangerous) (default=no)])])
@ -589,6 +593,31 @@ else
enable_grub_emu_usb=no
fi
if test x"$enable_grub_emu_sdl" = xno ; then
grub_emu_sdl_excuse="explicitely disabled"
fi
[if [ x"$grub_emu_sdl_excuse" = x ]; then
# Check for libSDL libraries.]
AC_CHECK_LIB([SDL], [SDL_Init], [LIBSDL="-lSDL"],
[grub_emu_sdl_excuse=["libSDL libraries are required to build \`grub-emu' with SDL support"]])
AC_SUBST([LIBSDL])
[fi]
[if [ x"$grub_emu_sdl_excuse" = x ]; then
# Check for headers.]
AC_CHECK_HEADERS([SDL/SDL.h], [],
[grub_emu_sdl_excuse=["libSDL header file is required to build \`grub-emu' with SDL support"]])
[fi]
if test x"enable_grub_emu_sdl" = xyes && test x"$grub_emu_sdl_excuse" != x ; then
AC_MSG_ERROR([SDL support for grub-emu was explicitely requested but can't be compiled])
fi
if test x"$grub_emu_sdl_excuse" = x ; then
enable_grub_emu_sdl=yes
else
enable_grub_emu_sdl=no
fi
if test x"$enable_grub_emu_pci" != xyes ; then
grub_emu_pci_excuse="not enabled"
fi
@ -612,9 +641,11 @@ fi
if test x"$grub_emu_pci_excuse" = x ; then
enable_grub_emu_pci=yes
else
enable_grub_emu_pci=no
fi
AC_SUBST([enable_grub_emu_sdl])
AC_SUBST([enable_grub_emu_usb])
AC_SUBST([enable_grub_emu_pci])
fi
@ -691,6 +722,11 @@ echo USB support for grub-emu: Yes
else
echo USB support for grub-emu: No "($grub_emu_usb_excuse)"
fi
if [ x"$grub_emu_sdl_excuse" = x ]; then
echo SDL support for grub-emu: Yes
else
echo SDL support for grub-emu: No "($grub_emu_sdl_excuse)"
fi
if [ x"$grub_emu_pci_excuse" = x ]; then
echo PCI support for grub-emu: Yes
else

14
disk/i386/pc/biosdisk.c
View file

@ -307,8 +307,17 @@ grub_biosdisk_read (grub_disk_t disk, grub_disk_addr_t sector,
while (size)
{
grub_size_t len;
grub_size_t cdoff = 0;
len = get_safe_sectors (sector, data->sectors);
if (data->flags & GRUB_BIOSDISK_FLAG_CDROM)
{
cdoff = (sector & 3) << GRUB_DISK_SECTOR_BITS;
len = ALIGN_UP (sector + len, 4) - (sector & ~3);
sector &= ~3;
}
if (len > size)
len = size;
@ -316,7 +325,7 @@ grub_biosdisk_read (grub_disk_t disk, grub_disk_addr_t sector,
GRUB_MEMORY_MACHINE_SCRATCH_SEG))
return grub_errno;
grub_memcpy (buf, (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR,
grub_memcpy (buf, (void *) (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + cdoff),
len << GRUB_DISK_SECTOR_BITS);
buf += len << GRUB_DISK_SECTOR_BITS;
sector += len;
@ -332,6 +341,9 @@ grub_biosdisk_write (grub_disk_t disk, grub_disk_addr_t sector,
{
struct grub_biosdisk_data *data = disk->data;
if (data->flags & GRUB_BIOSDISK_FLAG_CDROM)
return grub_error (GRUB_ERR_IO, "can't write to CDROM");
while (size)
{
grub_size_t len;

4
disk/ieee1275/ofdisk.c
View file

@ -118,7 +118,7 @@ grub_ofdisk_iterate (int (*hook) (const char *name))
static char *
compute_dev_path (const char *name)
{
char *devpath = grub_malloc (grub_strlen (name) + 2);
char *devpath = grub_malloc (grub_strlen (name) + 3);
char *p, c;
if (!devpath)
@ -248,7 +248,7 @@ grub_ofdisk_read (grub_disk_t disk, grub_disk_addr_t sector,
(long long) sector);
grub_ieee1275_read ((grub_ieee1275_ihandle_t) (unsigned long) disk->data,
buf, size * 512UL, &actual);
if (actual != actual)
if (actual != (grub_ssize_t) (size * 512UL))
return grub_error (GRUB_ERR_READ_ERROR, "read error on block: %llu",
(long long) sector);

128
docs/gfxmenu-theme-example.txt Normal file
View file

@ -0,0 +1,128 @@
# GRUB gfxmenu theme "winter".
# Uses background image from:
# http://www.cyberpunkcafe.com/e107_plugins/autogallery/autogallery.php?show=1.Open%20Source%20Wallpaper
# "without-leaves.png" was called "Without Leafs in Winter.png"
lua-script: "winter.lua"
title-text: ""
title-font: "Helvetica Bold 18"
status-font: "Helvetica 8"
terminal-font: "Fixed 9"
title-color: "40, 40, 40"
status-color: "#FFF"
status-bg-color: "0, 166, 183, 128"
desktop-image: "without-leaves.png"
desktop-color: "0, 154, 183"
terminal-box: "terminal_*.png"
+ boot_menu {
position = (120, 60)
preferred_size = (400, -1)
item_font = "Helvetica Bold 14"
selected_item_font = "Helvetica Bold 14"
item_color = "0, 0, 0"
selected_item_color = "203, 251, 255"
menu_pixmap_style = "menu_*.png"
selected_item_pixmap_style = "select_*.png"
icon_width = 44
icon_height = 44
item_height = 32
item_padding = 0
item_icon_space = 3
item_spacing = 11
}
# You can add text at arbitrary locations on the screen.
# The specification within the "+label {...}" block is free-form,
# so you can use as much or as little white space as you like.
+ label {
position = (170, 50)
font = "smoothansi 13"
color = "0,0,128"
text = "This is the Winter theme ... brought to you by GRUB!"
}
# Show the text alignment supported by labels.
+ vbox {
position = (220, 347)
preferred_size = (200, -1) # A preferred size of -1 means automatic.
+ label { text="Text alignment demo" align="center" font="aqui 11" }
+ label { text="Left" align="left" font="cure 11" }
+ label { text="Center" align="center" font="cure 11" }
+ label { text="Right" align="right" font="cure 11" }
}
+ vbox {
position = (580, 10)
+ label { text="GNU" font="gelly 11" color="0, 0, 0" }
+ label { text="GRUB" font="aqui 11" color="0, 0, 0" }
+ label { text="boot loader" font="cure 11" color="0, 0, 0" }
}
+ hbox {
position = (80, 10)
+ label { text="GNU" font="gelly 11" color="0, 0, 0" }
+ label { text="GRUB" font="aqui 11" color="0, 0, 0" }
+ label { text="boot loader" font="cure 11" color="0, 0, 0" }
}
# Demonstration of a compound layout: boxes within boxes.
+ hbox
{
position = (480, 3)
+ vbox
{
# Note: We can't just use 'size' to set the image's size,
# since the vbox will resize the component according to its
# preferred size, which for images is the native image size.
+ image { file="/boot/grub/themes/icons/ubuntu.png"
preferred_size = (20, 20) }
+ image { file="/boot/grub/themes/icons/gentoo.png"
preferred_size = (20, 20) }
}
+ vbox
{
+ label { text="GRand" font="cure 11" color=#99F }
+ label { text="Unified" font="cure 11" color=#BBF }
+ label { text="Bootloader" font="cure 11" color=#DDF }
}
}
# By defining a 'progress_bar' type component with an ID of '__timeout__',
# the progress bar will be used to display the time remaining before an
# the default entry is automatically booted.
+ progress_bar
{
id = "__timeout__"
position = (80, 393)
preferred_size = (500, 24)
font = "cure 11"
text_color = #000
fg_color = #CCF
bg_color = #66B
border_color = #006
show_text = false
}
# Although the progress_bar component is normally used to indicate the
# time remaining, it's also possible to create other components with an ID
# of '__timeout__'. All components with and ID of 'timeout_bar' will have
# the following properties set based on the timeout value:
# text, value, start, end, visible.
# In this case, we have set 'show_text=false' on the progress bar, and use
# the following label's 'text' property to display the message.
+ label
{
id = "__timeout__"
position = (80, 420)
preferred_size = (500, 24)
font = "lime 11"
color = #117
align = "center"
}

7
font/font.c
View file

@ -668,7 +668,7 @@ find_glyph (const grub_font_t font, grub_uint32_t code)
table = font->char_index;
/* Use BMP index if possible. */
if (code < 0x10000)
if (code < 0x10000 && font->bmp_idx)
{
if (font->bmp_idx[code] == 0xffff)
return 0;
@ -942,8 +942,9 @@ grub_font_get_string_width (grub_font_t font, const char *str)
struct grub_font_glyph *
grub_font_get_glyph (grub_font_t font, grub_uint32_t code)
{
struct grub_font_glyph *glyph;
glyph = grub_font_get_glyph_internal (font, code);
struct grub_font_glyph *glyph = 0;
if (font)
glyph = grub_font_get_glyph_internal (font, code);
if (glyph == 0)
{
glyph = ascii_glyph_lookup (code);

8
fs/i386/pc/pxe.c
View file

@ -173,12 +173,15 @@ static struct grub_disk_dev grub_pxe_dev =
};
static grub_err_t
grub_pxefs_dir (grub_device_t device __attribute__ ((unused)),
grub_pxefs_dir (grub_device_t device,
const char *path __attribute__ ((unused)),
int (*hook) (const char *filename,
const struct grub_dirhook_info *info)
__attribute__ ((unused)))
{
if (device->disk->dev->id != GRUB_DISK_DEVICE_PXE_ID)
return grub_error (GRUB_ERR_IO, "not a pxe disk");
return GRUB_ERR_NONE;
}
@ -194,6 +197,9 @@ grub_pxefs_open (struct grub_file *file, const char *name)
struct grub_pxe_disk_data *disk_data = file->device->disk->data;
grub_file_t file_int, bufio;
if (file->device->disk->dev->id != GRUB_DISK_DEVICE_PXE_ID)
return grub_error (GRUB_ERR_IO, "not a pxe disk");
if (curr_file != 0)
{
grub_pxe_call (GRUB_PXENV_TFTP_CLOSE, &c.c2);

48
gentrigtables.c Normal file
View file

@ -0,0 +1,48 @@
/* Generate trigonometric function tables. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE 1
#include <grub/trig.h>
#include <math.h>
#include <stdio.h>
int
main ()
{
int i;
printf ("#include <grub/types.h>\n");
#define TAB(op) \
printf ("grub_int16_t grub_trig_" #op "tab[] =\n{"); \
for (i = 0; i < GRUB_TRIG_ANGLE_MAX; i++) \
{ \
double x = i * 2 * M_PI / GRUB_TRIG_ANGLE_MAX; \
if (i % 10 == 0) \
printf ("\n "); \
printf ("%d,", (int) (round (op (x) * GRUB_TRIG_FRACTION_SCALE))); \
} \
printf ("\n};\n")
TAB(sin);
TAB(cos);
return 0;
}

144
gfxmenu/gfxmenu.c Normal file
View file

@ -0,0 +1,144 @@
/* gfxmenu.c - Graphical menu interface controller. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/video.h>
#include <grub/gfxterm.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
#include <grub/term.h>
#include <grub/env.h>
#include <grub/normal.h>
#include <grub/gfxwidgets.h>
#include <grub/menu.h>
#include <grub/menu_viewer.h>
#include <grub/gfxmenu_model.h>
#include <grub/gfxmenu_view.h>
#include <grub/time.h>
grub_gfxmenu_view_t cached_view;
static void
grub_gfxmenu_viewer_fini (void *data __attribute__ ((unused)))
{
}
/* FIXME: Previously 't' changed to text menu is it necessary? */
static grub_err_t
grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
{
grub_gfxmenu_view_t view = NULL;
const char *theme_path;
struct grub_menu_viewer *instance;
grub_err_t err;
struct grub_video_mode_info mode_info;
theme_path = grub_env_get ("theme");
if (! theme_path)
{
grub_error_push ();
grub_gfxterm_fullscreen ();
grub_error_pop ();
return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no theme specified");
}
instance = grub_zalloc (sizeof (*instance));
if (!instance)
{
grub_error_push ();
grub_gfxterm_fullscreen ();
grub_error_pop ();
return grub_errno;
}
err = grub_video_get_info (&mode_info);
if (err)
{
grub_error_push ();
grub_gfxterm_fullscreen ();
grub_error_pop ();
return err;
}
if (!cached_view || grub_strcmp (cached_view->theme_path, theme_path) != 0
|| cached_view->screen.width != mode_info.width
|| cached_view->screen.height != mode_info.height)
{
grub_free (cached_view);
/* Create the view. */
cached_view = grub_gfxmenu_view_new (theme_path, mode_info.width,
mode_info.height);
}
if (! cached_view)
{
grub_free (instance);
grub_error_push ();
grub_gfxterm_fullscreen ();
grub_error_pop ();
return grub_errno;
}
view = cached_view;
view->double_repaint = (mode_info.mode_type
& GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED)
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
view->selected = entry;
view->menu = menu;
view->nested = nested;
view->first_timeout = -1;
grub_gfxmenu_view_draw (view);
instance->data = view;
instance->set_chosen_entry = grub_gfxmenu_set_chosen_entry;
instance->fini = grub_gfxmenu_viewer_fini;
instance->print_timeout = grub_gfxmenu_print_timeout;
instance->clear_timeout = grub_gfxmenu_clear_timeout;
grub_menu_register_viewer (instance);
return GRUB_ERR_NONE;
}
GRUB_MOD_INIT (gfxmenu)
{
struct grub_term_output *term;
FOR_ACTIVE_TERM_OUTPUTS(term)
if (grub_gfxmenu_try_hook && grub_strcmp (term->name, "gfxterm") == 0)
{
grub_gfxterm_fullscreen ();
break;
}
grub_gfxmenu_try_hook = grub_gfxmenu_try;
}
GRUB_MOD_FINI (gfxmenu)
{
grub_gfxmenu_view_destroy (cached_view);
grub_gfxmenu_try_hook = NULL;
}

412
gfxmenu/gui_box.c Normal file
View file

@ -0,0 +1,412 @@
/* gui_box.c - GUI container that stack components. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/gui_string_util.h>
struct component_node
{
grub_gui_component_t component;
struct component_node *next;
struct component_node *prev;
};
typedef struct grub_gui_box *grub_gui_box_t;
typedef void (*layout_func_t) (grub_gui_box_t self, int modify_layout,
unsigned *minimal_width,
unsigned *minimal_height);
struct grub_gui_box
{
struct grub_gui_container container;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
/* Doubly linked list of components with dummy head & tail nodes. */
struct component_node chead;
struct component_node ctail;
/* The layout function: differs for vertical and horizontal boxes. */
layout_func_t layout_func;
};
static void
box_destroy (void *vself)
{
grub_gui_box_t self = vself;
struct component_node *cur;
struct component_node *next;
for (cur = self->chead.next; cur != &self->ctail; cur = next)
{
/* Copy the 'next' pointer, since we need it for the next iteration,
and we're going to free the memory it is stored in. */
next = cur->next;
/* Destroy the child component. */
cur->component->ops->destroy (cur->component);
/* Free the linked list node. */
grub_free (cur);
}
grub_free (self);
}
static const char *
box_get_id (void *vself)
{
grub_gui_box_t self = vself;
return self->id;
}
static int
box_is_instance (void *vself __attribute__((unused)), const char *type)
{
return (grub_strcmp (type, "component") == 0
|| grub_strcmp (type, "container") == 0);
}
static void
layout_horizontally (grub_gui_box_t self, int modify_layout,
unsigned *min_width, unsigned *min_height)
{
/* Start at the left (chead) and set the x coordinates as we go right. */
/* All components have their width set to the box's width. */
struct component_node *cur;
unsigned w = 0, mwfrac = 0, h = 0, x = 0;
grub_fixed_signed_t wfrac = 0;
int bogus_frac = 0;
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
{
grub_gui_component_t c = cur->component;
unsigned mw = 0, mh = 0;
if (c->ops->get_minimal_size)
c->ops->get_minimal_size (c, &mw, &mh);
if (c->h > (signed) h)
h = c->h;
if (mh > h)
h = mh;
wfrac += c->wfrac;
w += c->w;
if (mw - c->w > 0)
mwfrac += mw - c->w;
}
if (wfrac > GRUB_FIXED_1 || (w > 0 && wfrac == GRUB_FIXED_1))
bogus_frac = 1;
if (min_width)
{
if (wfrac < GRUB_FIXED_1)
*min_width = grub_fixed_sfs_divide (w, GRUB_FIXED_1 - wfrac);
else
*min_width = w;
if (*min_width < w + mwfrac)
*min_width = w + mwfrac;
}
if (min_height)
*min_height = h;
if (!modify_layout)
return;
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
{
grub_video_rect_t r;
grub_gui_component_t c = cur->component;
unsigned mw = 0, mh = 0;
r.x = x;
r.y = 0;
r.height = h;
if (c->ops->get_minimal_size)
c->ops->get_minimal_size (c, &mw, &mh);
r.width = c->w;
if (!bogus_frac)
r.width += grub_fixed_sfs_multiply (self->bounds.width, c->wfrac);
if (r.width < mw)
r.width = mw;
c->ops->set_bounds (c, &r);
x += r.width;
}
}
static void
layout_vertically (grub_gui_box_t self, int modify_layout,
unsigned *min_width, unsigned *min_height)
{
/* Start at the top (chead) and set the y coordinates as we go rdown. */
/* All components have their height set to the box's height. */
struct component_node *cur;
unsigned h = 0, mhfrac = 0, w = 0, y = 0;
grub_fixed_signed_t hfrac = 0;
int bogus_frac = 0;
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
{
grub_gui_component_t c = cur->component;
unsigned mw = 0, mh = 0;
if (c->ops->get_minimal_size)
c->ops->get_minimal_size (c, &mw, &mh);
if (c->w > (signed) w)
w = c->w;
if (mw > w)
w = mw;
hfrac += c->hfrac;
h += c->h;
if (mh - c->h > 0)
mhfrac += mh - c->h;
}
if (hfrac > GRUB_FIXED_1 || (h > 0 && hfrac == GRUB_FIXED_1))
bogus_frac = 1;
if (min_height)
{
if (hfrac < GRUB_FIXED_1)
*min_height = grub_fixed_sfs_divide (h, GRUB_FIXED_1 - hfrac);
else
*min_height = h;
if (*min_height < h + mhfrac)
*min_height = h + mhfrac;
}
if (min_width)
*min_width = w;
if (!modify_layout)
return;
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
{
grub_video_rect_t r;
grub_gui_component_t c = cur->component;
unsigned mw = 0, mh = 0;
r.x = 0;
r.y = y;
r.width = w;
if (c->ops->get_minimal_size)
c->ops->get_minimal_size (c, &mw, &mh);
r.height = c->h;
if (!bogus_frac)
r.height += grub_fixed_sfs_multiply (self->bounds.height, c->hfrac);
if (r.height < mh)
r.height = mh;
c->ops->set_bounds (c, &r);
y += r.height;
}
}
static void
box_paint (void *vself, const grub_video_rect_t *region)
{
grub_gui_box_t self = vself;
struct component_node *cur;
grub_video_rect_t vpsave;
grub_gui_set_viewport (&self->bounds, &vpsave);
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
{
grub_gui_component_t comp = cur->component;
comp->ops->paint (comp, region);
}
grub_gui_restore_viewport (&vpsave);
}
static void
box_set_parent (void *vself, grub_gui_container_t parent)
{
grub_gui_box_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
box_get_parent (void *vself)
{
grub_gui_box_t self = vself;
return self->parent;
}
static void
box_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
grub_gui_box_t self = vself;
self->bounds = *bounds;
self->layout_func (self, 1, 0, 0); /* Relayout the children. */
}
static void
box_get_bounds (void *vself, grub_video_rect_t *bounds)
{
grub_gui_box_t self = vself;
*bounds = self->bounds;
}
/* The box's preferred size is based on the preferred sizes
of its children. */
static void
box_get_minimal_size (void *vself, unsigned *width, unsigned *height)
{
grub_gui_box_t self = vself;
self->layout_func (self, 0, width, height); /* Just calculate the size. */
}
static grub_err_t
box_set_property (void *vself, const char *name, const char *value)
{
grub_gui_box_t self = vself;
if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
{
self->id = grub_strdup (value);
if (! self->id)
return grub_errno;
}
else
self->id = 0;
}
return grub_errno;
}
static void
box_add (void *vself, grub_gui_component_t comp)
{
grub_gui_box_t self = vself;
struct component_node *node;
node = grub_malloc (sizeof (*node));
if (! node)
return; /* Note: probably should handle the error. */
node->component = comp;
/* Insert the node before the tail. */
node->prev = self->ctail.prev;
node->prev->next = node;
node->next = &self->ctail;
node->next->prev = node;
comp->ops->set_parent (comp, (grub_gui_container_t) self);
self->layout_func (self, 1, 0, 0); /* Relayout the children. */
}
static void
box_remove (void *vself, grub_gui_component_t comp)
{
grub_gui_box_t self = vself;
struct component_node *cur;
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
{
if (cur->component == comp)
{
/* Unlink 'cur' from the list. */
cur->prev->next = cur->next;
cur->next->prev = cur->prev;
/* Free the node's memory (but don't destroy the component). */
grub_free (cur);
/* Must not loop again, since 'cur' would be dereferenced! */
return;
}
}
}
static void
box_iterate_children (void *vself,
grub_gui_component_callback cb, void *userdata)
{
grub_gui_box_t self = vself;
struct component_node *cur;
for (cur = self->chead.next; cur != &self->ctail; cur = cur->next)
cb (cur->component, userdata);
}
static struct grub_gui_component_ops box_comp_ops =
{
.destroy = box_destroy,
.get_id = box_get_id,
.is_instance = box_is_instance,
.paint = box_paint,
.set_parent = box_set_parent,
.get_parent = box_get_parent,
.set_bounds = box_set_bounds,
.get_bounds = box_get_bounds,
.get_minimal_size = box_get_minimal_size,
.set_property = box_set_property
};
static struct grub_gui_container_ops box_ops =
{
.add = box_add,
.remove = box_remove,
.iterate_children = box_iterate_children
};
/* Box constructor. Specify the appropriate layout function to create
a horizontal or vertical stacking box. */
static grub_gui_box_t
box_new (layout_func_t layout_func)
{
grub_gui_box_t box;
box = grub_zalloc (sizeof (*box));
if (! box)
return 0;
box->container.ops = &box_ops;
box->container.component.ops = &box_comp_ops;
box->chead.next = &box->ctail;
box->ctail.prev = &box->chead;
box->layout_func = layout_func;
return box;
}
/* Create a new container that stacks its child components horizontally,
from left to right. Each child get a width corresponding to its
preferred width. The height of each child is set the maximum of the
preferred heights of all children. */
grub_gui_container_t
grub_gui_hbox_new (void)
{
return (grub_gui_container_t) box_new (layout_horizontally);
}
/* Create a new container that stacks its child components verticallyj,
from top to bottom. Each child get a height corresponding to its
preferred height. The width of each child is set the maximum of the
preferred widths of all children. */
grub_gui_container_t
grub_gui_vbox_new (void)
{
return (grub_gui_container_t) box_new (layout_vertically);
}

267
gfxmenu/gui_canvas.c Normal file
View file

@ -0,0 +1,267 @@
/* gui_canvas.c - GUI container allowing manually placed components. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/gui_string_util.h>
/* TODO Add layering so that components can be properly overlaid. */
struct component_node
{
grub_gui_component_t component;
struct component_node *next;
};
struct grub_gui_canvas
{
struct grub_gui_container container;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
/* Component list (dummy head node). */
struct component_node components;
};
typedef struct grub_gui_canvas *grub_gui_canvas_t;
static void
canvas_destroy (void *vself)
{
grub_gui_canvas_t self = vself;
struct component_node *cur;
struct component_node *next;
for (cur = self->components.next; cur; cur = next)
{
/* Copy the 'next' pointer, since we need it for the next iteration,
and we're going to free the memory it is stored in. */
next = cur->next;
/* Destroy the child component. */
cur->component->ops->destroy (cur->component);
/* Free the linked list node. */
grub_free (cur);
}
grub_free (self);
}
static const char *
canvas_get_id (void *vself)
{
grub_gui_canvas_t self = vself;
return self->id;
}
static int
canvas_is_instance (void *vself __attribute__((unused)), const char *type)
{
return (grub_strcmp (type, "component") == 0
|| grub_strcmp (type, "container") == 0);
}
static void
canvas_paint (void *vself, const grub_video_rect_t *region)
{
grub_gui_canvas_t self = vself;
struct component_node *cur;
grub_video_rect_t vpsave;
grub_gui_set_viewport (&self->bounds, &vpsave);
for (cur = self->components.next; cur; cur = cur->next)
{
grub_video_rect_t r;
grub_gui_component_t comp;
signed x, y, w, h;
comp = cur->component;
w = grub_fixed_sfs_multiply (self->bounds.width, comp->wfrac) + comp->w;
h = grub_fixed_sfs_multiply (self->bounds.height, comp->hfrac) + comp->h;
x = grub_fixed_sfs_multiply (self->bounds.width, comp->xfrac) + comp->x;
y = grub_fixed_sfs_multiply (self->bounds.height, comp->yfrac) + comp->y;
if (comp->ops->get_minimal_size)
{
unsigned mw;
unsigned mh;
comp->ops->get_minimal_size (comp, &mw, &mh);
if (w < (signed) mw)
w = mw;
if (h < (signed) mh)
h = mh;
}
/* Sanity checks. */
if (w <= 0)
w = 32;
if (h <= 0)
h = 32;
if (x >= (signed) self->bounds.width)
x = self->bounds.width - 32;
if (y >= (signed) self->bounds.height)
y = self->bounds.height - 32;
if (x < 0)
x = 0;
if (y < 0)
y = 0;
if (x + w >= (signed) self->bounds.width)
w = self->bounds.width - x;
if (y + h >= (signed) self->bounds.height)
h = self->bounds.height - y;
r.x = x;
r.y = y;
r.width = w;
r.height = h;
comp->ops->set_bounds (comp, &r);
/* Paint the child. */
if (grub_video_have_common_points (region, &r))
comp->ops->paint (comp, region);
}
grub_gui_restore_viewport (&vpsave);
}
static void
canvas_set_parent (void *vself, grub_gui_container_t parent)
{
grub_gui_canvas_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
canvas_get_parent (void *vself)
{
grub_gui_canvas_t self = vself;
return self->parent;
}
static void
canvas_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
grub_gui_canvas_t self = vself;
self->bounds = *bounds;
}
static void
canvas_get_bounds (void *vself, grub_video_rect_t *bounds)
{
grub_gui_canvas_t self = vself;
*bounds = self->bounds;
}
static grub_err_t
canvas_set_property (void *vself, const char *name, const char *value)
{
grub_gui_canvas_t self = vself;
if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
{
self->id = grub_strdup (value);
if (! self->id)
return grub_errno;
}
else
self->id = 0;
}
return grub_errno;
}
static void
canvas_add (void *vself, grub_gui_component_t comp)
{
grub_gui_canvas_t self = vself;
struct component_node *node;
node = grub_malloc (sizeof (*node));
if (! node)
return; /* Note: probably should handle the error. */
node->component = comp;
node->next = self->components.next;
self->components.next = node;
comp->ops->set_parent (comp, (grub_gui_container_t) self);
}
static void
canvas_remove (void *vself, grub_gui_component_t comp)
{
grub_gui_canvas_t self = vself;
struct component_node *cur;
struct component_node *prev;
prev = &self->components;
for (cur = self->components.next; cur; prev = cur, cur = cur->next)
{
if (cur->component == comp)
{
/* Unlink 'cur' from the list. */
prev->next = cur->next;
/* Free the node's memory (but don't destroy the component). */
grub_free (cur);
/* Must not loop again, since 'cur' would be dereferenced! */
return;
}
}
}
static void
canvas_iterate_children (void *vself,
grub_gui_component_callback cb, void *userdata)
{
grub_gui_canvas_t self = vself;
struct component_node *cur;
for (cur = self->components.next; cur; cur = cur->next)
cb (cur->component, userdata);
}
static struct grub_gui_component_ops canvas_comp_ops =
{
.destroy = canvas_destroy,
.get_id = canvas_get_id,
.is_instance = canvas_is_instance,
.paint = canvas_paint,
.set_parent = canvas_set_parent,
.get_parent = canvas_get_parent,
.set_bounds = canvas_set_bounds,
.get_bounds = canvas_get_bounds,
.set_property = canvas_set_property
};
static struct grub_gui_container_ops canvas_ops =
{
.add = canvas_add,
.remove = canvas_remove,
.iterate_children = canvas_iterate_children
};
grub_gui_container_t
grub_gui_canvas_new (void)
{
grub_gui_canvas_t canvas;
canvas = grub_zalloc (sizeof (*canvas));
if (! canvas)
return 0;
canvas->container.ops = &canvas_ops;
canvas->container.component.ops = &canvas_comp_ops;
return (grub_gui_container_t) canvas;
}

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/* gui_circular_process.c - GUI circular progress indicator component. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/font.h>
#include <grub/gui_string_util.h>
#include <grub/gfxmenu_view.h>
#include <grub/gfxwidgets.h>
#include <grub/trig.h>
struct grub_gui_circular_progress
{
struct grub_gui_progress progress;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
int visible;
int start;
int end;
int value;
int num_ticks;
int start_angle;
int ticks_disappear;
char *theme_dir;
int need_to_load_pixmaps;
char *center_file;
char *tick_file;
struct grub_video_bitmap *center_bitmap;
struct grub_video_bitmap *tick_bitmap;
};
typedef struct grub_gui_circular_progress *circular_progress_t;
static void
circprog_destroy (void *vself)
{
circular_progress_t self = vself;
grub_free (self);
}
static const char *
circprog_get_id (void *vself)
{
circular_progress_t self = vself;
return self->id;
}
static int
circprog_is_instance (void *vself __attribute__((unused)), const char *type)
{
return grub_strcmp (type, "component") == 0;
}
static struct grub_video_bitmap *
load_bitmap (const char *dir, const char *file)
{
struct grub_video_bitmap *bitmap;
char *abspath;
/* Check arguments. */
if (! dir || ! file)
return 0;
/* Resolve to an absolute path. */
abspath = grub_resolve_relative_path (dir, file);
if (! abspath)
return 0;
/* Load the image. */
grub_errno = GRUB_ERR_NONE;
grub_video_bitmap_load (&bitmap, abspath);
grub_errno = GRUB_ERR_NONE;
grub_free (abspath);
return bitmap;
}
static int
check_pixmaps (circular_progress_t self)
{
if (self->need_to_load_pixmaps)
{
if (self->center_bitmap)
grub_video_bitmap_destroy (self->center_bitmap);
self->center_bitmap = load_bitmap (self->theme_dir, self->center_file);
self->tick_bitmap = load_bitmap (self->theme_dir, self->tick_file);
self->need_to_load_pixmaps = 0;
}
return (self->center_bitmap != 0 && self->tick_bitmap != 0);
}
static void
circprog_paint (void *vself, const grub_video_rect_t *region)
{
circular_progress_t self = vself;
if (! self->visible)
return;
if (!grub_video_have_common_points (region, &self->bounds))
return;
if (! check_pixmaps (self))
return;
grub_video_rect_t vpsave;
grub_gui_set_viewport (&self->bounds, &vpsave);
int width = self->bounds.width;
int height = self->bounds.height;
int center_width = grub_video_bitmap_get_width (self->center_bitmap);
int center_height = grub_video_bitmap_get_height (self->center_bitmap);
int tick_width = grub_video_bitmap_get_width (self->tick_bitmap);
int tick_height = grub_video_bitmap_get_height (self->tick_bitmap);
grub_video_blit_bitmap (self->center_bitmap, GRUB_VIDEO_BLIT_BLEND,
(width - center_width) / 2,
(height - center_height) / 2, 0, 0,
center_width, center_height);
int radius = width / 2 - tick_width / 2 - 1;
int nticks;
int tick_begin;
int tick_end;
if (self->end == self->start)
nticks = 0;
else
nticks = (self->num_ticks
* (self->value - self->start)
/ (self->end - self->start));
/* Do ticks appear or disappear as the value approached the end? */
if (self->ticks_disappear)
{
tick_begin = nticks;
tick_end = self->num_ticks - 1;
}
else
{
tick_begin = 0;
tick_end = nticks - 1;
}
int i;
for (i = tick_begin; i < tick_end; i++)
{
int x;
int y;
int angle;
/* Calculate the location of the tick. */
angle = self->start_angle + i * GRUB_TRIG_ANGLE_MAX / self->num_ticks;
x = width / 2 + (grub_cos (angle) * radius / GRUB_TRIG_FRACTION_SCALE);
y = height / 2 + (grub_sin (angle) * radius / GRUB_TRIG_FRACTION_SCALE);
/* Adjust (x,y) so the tick is centered. */
x -= tick_width / 2;
y -= tick_height / 2;
/* Draw the tick. */
grub_video_blit_bitmap (self->tick_bitmap, GRUB_VIDEO_BLIT_BLEND,
x, y, 0, 0, tick_width, tick_height);
}
grub_gui_restore_viewport (&vpsave);
}
static void
circprog_set_parent (void *vself, grub_gui_container_t parent)
{
circular_progress_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
circprog_get_parent (void *vself)
{
circular_progress_t self = vself;
return self->parent;
}
static void
circprog_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
circular_progress_t self = vself;
self->bounds = *bounds;
}
static void
circprog_get_bounds (void *vself, grub_video_rect_t *bounds)
{
circular_progress_t self = vself;
*bounds = self->bounds;
}
static grub_err_t
circprog_set_property (void *vself, const char *name, const char *value)
{
circular_progress_t self = vself;
if (grub_strcmp (name, "num_ticks") == 0)
{
self->num_ticks = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "start_angle") == 0)
{
self->start_angle = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "ticks_disappear") == 0)
{
self->ticks_disappear = grub_strcmp (value, "false") != 0;
}
else if (grub_strcmp (name, "center_bitmap") == 0)
{
self->need_to_load_pixmaps = 1;
grub_free (self->center_file);
self->center_file = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "tick_bitmap") == 0)
{
self->need_to_load_pixmaps = 1;
grub_free (self->tick_file);
self->tick_file = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "theme_dir") == 0)
{
self->need_to_load_pixmaps = 1;
grub_free (self->theme_dir);
self->theme_dir = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
self->id = grub_strdup (value);
else
self->id = 0;
}
return grub_errno;
}
static void
circprog_set_state (void *vself, int visible, int start,
int current, int end)
{
circular_progress_t self = vself;
self->visible = visible;
self->start = start;
self->value = current;
self->end = end;
}
static struct grub_gui_component_ops circprog_ops =
{
.destroy = circprog_destroy,
.get_id = circprog_get_id,
.is_instance = circprog_is_instance,
.paint = circprog_paint,
.set_parent = circprog_set_parent,
.get_parent = circprog_get_parent,
.set_bounds = circprog_set_bounds,
.get_bounds = circprog_get_bounds,
.set_property = circprog_set_property
};
static struct grub_gui_progress_ops circprog_prog_ops =
{
.set_state = circprog_set_state
};
grub_gui_component_t
grub_gui_circular_progress_new (void)
{
circular_progress_t self;
self = grub_zalloc (sizeof (*self));
if (! self)
return 0;
self->progress.ops = &circprog_prog_ops;
self->progress.component.ops = &circprog_ops;
self->visible = 1;
self->num_ticks = 64;
self->start_angle = -64;
return (grub_gui_component_t) self;
}

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/* gui_image.c - GUI component to display an image. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/gui_string_util.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
struct grub_gui_image
{
struct grub_gui_component component;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
struct grub_video_bitmap *raw_bitmap;
struct grub_video_bitmap *bitmap;
};
typedef struct grub_gui_image *grub_gui_image_t;
static void
image_destroy (void *vself)
{
grub_gui_image_t self = vself;
/* Free the scaled bitmap, unless it's a reference to the raw bitmap. */
if (self->bitmap && (self->bitmap != self->raw_bitmap))
grub_video_bitmap_destroy (self->bitmap);
if (self->raw_bitmap)
grub_video_bitmap_destroy (self->raw_bitmap);
grub_free (self);
}
static const char *
image_get_id (void *vself)
{
grub_gui_image_t self = vself;
return self->id;
}
static int
image_is_instance (void *vself __attribute__((unused)), const char *type)
{
return grub_strcmp (type, "component") == 0;
}
static void
image_paint (void *vself, const grub_video_rect_t *region)
{
grub_gui_image_t self = vself;
grub_video_rect_t vpsave;
if (! self->bitmap)
return;
if (!grub_video_have_common_points (region, &self->bounds))
return;
grub_gui_set_viewport (&self->bounds, &vpsave);
grub_video_blit_bitmap (self->bitmap, GRUB_VIDEO_BLIT_BLEND,
0, 0, 0, 0,
grub_video_bitmap_get_width (self->bitmap),
grub_video_bitmap_get_height (self->bitmap));
grub_gui_restore_viewport (&vpsave);
}
static void
image_set_parent (void *vself, grub_gui_container_t parent)
{
grub_gui_image_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
image_get_parent (void *vself)
{
grub_gui_image_t self = vself;
return self->parent;
}
static grub_err_t
rescale_image (grub_gui_image_t self)
{
if (! self->raw_bitmap)
{
if (self->bitmap)
{
grub_video_bitmap_destroy (self->bitmap);
self->bitmap = 0;
}
return grub_errno;
}
unsigned width = self->bounds.width;
unsigned height = self->bounds.height;
if (self->bitmap
&& (grub_video_bitmap_get_width (self->bitmap) == width)
&& (grub_video_bitmap_get_height (self->bitmap) == height))
{
/* Nothing to do; already the right size. */
return grub_errno;
}
/* Free any old scaled bitmap,
*unless* it's a reference to the raw bitmap. */
if (self->bitmap && (self->bitmap != self->raw_bitmap))
grub_video_bitmap_destroy (self->bitmap);
self->bitmap = 0;
/* Create a scaled bitmap, unless the requested size is the same
as the raw size -- in that case a reference is made. */
if (grub_video_bitmap_get_width (self->raw_bitmap) == width
&& grub_video_bitmap_get_height (self->raw_bitmap) == height)
{
self->bitmap = self->raw_bitmap;
return grub_errno;
}
/* Don't scale to an invalid size. */
if (width == 0 || height == 0)
return grub_errno;
/* Create the scaled bitmap. */
grub_video_bitmap_create_scaled (&self->bitmap,
width,
height,
self->raw_bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
if (grub_errno != GRUB_ERR_NONE)
{
grub_error_push ();
grub_error (grub_errno, "failed to scale bitmap for image component");
}
return grub_errno;
}
static void
image_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
grub_gui_image_t self = vself;
self->bounds = *bounds;
rescale_image (self);
}
static void
image_get_bounds (void *vself, grub_video_rect_t *bounds)
{
grub_gui_image_t self = vself;
*bounds = self->bounds;
}
/* FIXME: inform rendering system it's not forced minimum. */
static void
image_get_minimal_size (void *vself, unsigned *width, unsigned *height)
{
grub_gui_image_t self = vself;
if (self->raw_bitmap)
{
*width = grub_video_bitmap_get_width (self->raw_bitmap);
*height = grub_video_bitmap_get_height (self->raw_bitmap);
}
else
{
*width = 0;
*height = 0;
}
}
static grub_err_t
load_image (grub_gui_image_t self, const char *path)
{
struct grub_video_bitmap *bitmap;
if (grub_video_bitmap_load (&bitmap, path) != GRUB_ERR_NONE)
return grub_errno;
if (self->bitmap && (self->bitmap != self->raw_bitmap))
grub_video_bitmap_destroy (self->bitmap);
if (self->raw_bitmap)
grub_video_bitmap_destroy (self->raw_bitmap);
self->raw_bitmap = bitmap;
return rescale_image (self);
}
static grub_err_t
image_set_property (void *vself, const char *name, const char *value)
{
grub_gui_image_t self = vself;
if (grub_strcmp (name, "file") == 0)
return load_image (self, value);
else if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
self->id = grub_strdup (value);
else
self->id = 0;
}
return grub_errno;
}
static struct grub_gui_component_ops image_ops =
{
.destroy = image_destroy,
.get_id = image_get_id,
.is_instance = image_is_instance,
.paint = image_paint,
.set_parent = image_set_parent,
.get_parent = image_get_parent,
.set_bounds = image_set_bounds,
.get_bounds = image_get_bounds,
.get_minimal_size = image_get_minimal_size,
.set_property = image_set_property
};
grub_gui_component_t
grub_gui_image_new (void)
{
grub_gui_image_t image;
image = grub_zalloc (sizeof (*image));
if (! image)
return 0;
image->component.ops = &image_ops;
return (grub_gui_component_t) image;
}

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/* gui_label.c - GUI component to display a line of text. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/font.h>
#include <grub/gui_string_util.h>
static const char *align_options[] =
{
"left",
"center",
"right",
0
};
enum align_mode {
align_left,
align_center,
align_right
};
struct grub_gui_label
{
struct grub_gui_component comp;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
int visible;
char *text;
grub_font_t font;
grub_gui_color_t color;
enum align_mode align;
};
typedef struct grub_gui_label *grub_gui_label_t;
static void
label_destroy (void *vself)
{
grub_gui_label_t self = vself;
grub_free (self->text);
grub_free (self);
}
static const char *
label_get_id (void *vself)
{
grub_gui_label_t self = vself;
return self->id;
}
static int
label_is_instance (void *vself __attribute__((unused)), const char *type)
{
return grub_strcmp (type, "component") == 0;
}
static void
label_paint (void *vself, const grub_video_rect_t *region)
{
grub_gui_label_t self = vself;
if (! self->visible)
return;
if (!grub_video_have_common_points (region, &self->bounds))
return;
/* Calculate the starting x coordinate. */
int left_x;
if (self->align == align_left)
left_x = 0;
else if (self->align == align_center)
left_x = ((self->bounds.width
- grub_font_get_string_width (self->font, self->text))
) / 2;
else if (self->align == align_right)
left_x = (self->bounds.width
- grub_font_get_string_width (self->font, self->text));
else
return; /* Invalid alignment. */
grub_video_rect_t vpsave;
grub_gui_set_viewport (&self->bounds, &vpsave);
grub_font_draw_string (self->text,
self->font,
grub_gui_map_color (self->color),
left_x,
grub_font_get_ascent (self->font));
grub_gui_restore_viewport (&vpsave);
}
static void
label_set_parent (void *vself, grub_gui_container_t parent)
{
grub_gui_label_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
label_get_parent (void *vself)
{
grub_gui_label_t self = vself;
return self->parent;
}
static void
label_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
grub_gui_label_t self = vself;
self->bounds = *bounds;
}
static void
label_get_bounds (void *vself, grub_video_rect_t *bounds)
{
grub_gui_label_t self = vself;
*bounds = self->bounds;
}
static void
label_get_minimal_size (void *vself, unsigned *width, unsigned *height)
{
grub_gui_label_t self = vself;
*width = grub_font_get_string_width (self->font, self->text);
*height = (grub_font_get_ascent (self->font)
+ grub_font_get_descent (self->font));
}
static grub_err_t
label_set_property (void *vself, const char *name, const char *value)
{
grub_gui_label_t self = vself;
if (grub_strcmp (name, "text") == 0)
{
grub_free (self->text);
if (! value)
value = "";
self->text = grub_strdup (value);
}
else if (grub_strcmp (name, "font") == 0)
{
self->font = grub_font_get (value);
}
else if (grub_strcmp (name, "color") == 0)
{
grub_gui_parse_color (value, &self->color);
}
else if (grub_strcmp (name, "align") == 0)
{
int i;
for (i = 0; align_options[i]; i++)
{
if (grub_strcmp (align_options[i], value) == 0)
{
self->align = i; /* Set the alignment mode. */
break;
}
}
}
else if (grub_strcmp (name, "visible") == 0)
{
self->visible = grub_strcmp (value, "false") != 0;
}
else if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
self->id = grub_strdup (value);
else
self->id = 0;
}
return GRUB_ERR_NONE;
}
static struct grub_gui_component_ops label_ops =
{
.destroy = label_destroy,
.get_id = label_get_id,
.is_instance = label_is_instance,
.paint = label_paint,
.set_parent = label_set_parent,
.get_parent = label_get_parent,
.set_bounds = label_set_bounds,
.get_bounds = label_get_bounds,
.get_minimal_size = label_get_minimal_size,
.set_property = label_set_property
};
grub_gui_component_t
grub_gui_label_new (void)
{
grub_gui_label_t label;
label = grub_zalloc (sizeof (*label));
if (! label)
return 0;
label->comp.ops = &label_ops;
label->visible = 1;
label->text = grub_strdup ("");
label->font = grub_font_get ("Helvetica 10");
label->color.red = 0;
label->color.green = 0;
label->color.blue = 0;
label->color.alpha = 255;
label->align = align_left;
return (grub_gui_component_t) label;
}

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/* gui_list.c - GUI component to display a selectable list of items. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/gui_string_util.h>
#include <grub/gfxmenu_view.h>
#include <grub/gfxwidgets.h>
struct grub_gui_list_impl
{
struct grub_gui_list list;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
int visible;
int icon_width;
int icon_height;
int item_height;
int item_padding;
int item_icon_space;
int item_spacing;
grub_font_t item_font;
grub_font_t selected_item_font;
grub_gui_color_t item_color;
int selected_item_color_set;
grub_gui_color_t selected_item_color;
int draw_scrollbar;
int need_to_recreate_scrollbar;
char *scrollbar_frame_pattern;
char *scrollbar_thumb_pattern;
grub_gfxmenu_box_t scrollbar_frame;
grub_gfxmenu_box_t scrollbar_thumb;
int scrollbar_width;
int first_shown_index;
int need_to_recreate_boxes;
char *theme_dir;
char *menu_box_pattern;
char *selected_item_box_pattern;
grub_gfxmenu_box_t menu_box;
grub_gfxmenu_box_t selected_item_box;
grub_gfxmenu_icon_manager_t icon_manager;
grub_gfxmenu_view_t view;
};
typedef struct grub_gui_list_impl *list_impl_t;
static void
list_destroy (void *vself)
{
list_impl_t self = vself;
grub_free (self->theme_dir);
grub_free (self->menu_box_pattern);
grub_free (self->selected_item_box_pattern);
if (self->menu_box)
self->menu_box->destroy (self->menu_box);
if (self->selected_item_box)
self->selected_item_box->destroy (self->selected_item_box);
if (self->icon_manager)
grub_gfxmenu_icon_manager_destroy (self->icon_manager);
grub_free (self);
}
static int
get_num_shown_items (list_impl_t self)
{
int boxpad = self->item_padding;
int item_vspace = self->item_spacing;
int item_height = self->item_height;
grub_gfxmenu_box_t box = self->menu_box;
int box_top_pad = box->get_top_pad (box);
int box_bottom_pad = box->get_bottom_pad (box);
return (self->bounds.height + item_vspace - 2 * boxpad
- box_top_pad - box_bottom_pad) / (item_height + item_vspace);
}
static int
check_boxes (list_impl_t self)
{
if (self->need_to_recreate_boxes)
{
grub_gui_recreate_box (&self->menu_box,
self->menu_box_pattern,
self->theme_dir);
grub_gui_recreate_box (&self->selected_item_box,
self->selected_item_box_pattern,
self->theme_dir);
self->need_to_recreate_boxes = 0;
}
return (self->menu_box != 0 && self->selected_item_box != 0);
}
static int
check_scrollbar (list_impl_t self)
{
if (self->need_to_recreate_scrollbar)
{
grub_gui_recreate_box (&self->scrollbar_frame,
self->scrollbar_frame_pattern,
self->theme_dir);
grub_gui_recreate_box (&self->scrollbar_thumb,
self->scrollbar_thumb_pattern,
self->theme_dir);
self->need_to_recreate_scrollbar = 0;
}
return (self->scrollbar_frame != 0 && self->scrollbar_thumb != 0);
}
static const char *
list_get_id (void *vself)
{
list_impl_t self = vself;
return self->id;
}
static int
list_is_instance (void *vself __attribute__((unused)), const char *type)
{
return (grub_strcmp (type, "component") == 0
|| grub_strcmp (type, "list") == 0);
}
static struct grub_video_bitmap *
get_item_icon (list_impl_t self, int item_index)
{
grub_menu_entry_t entry;
entry = grub_menu_get_entry (self->view->menu, item_index);
if (! entry)
return 0;
return grub_gfxmenu_icon_manager_get_icon (self->icon_manager, entry);
}
static void
make_selected_item_visible (list_impl_t self)
{
int selected_index = self->view->selected;
if (selected_index < 0)
return; /* No item is selected. */
int num_shown_items = get_num_shown_items (self);
int last_shown_index = self->first_shown_index + (num_shown_items - 1);
if (selected_index < self->first_shown_index)
self->first_shown_index = selected_index;
else if (selected_index > last_shown_index)
self->first_shown_index = selected_index - (num_shown_items - 1);
}
/* Draw a scrollbar on the menu. */
static void
draw_scrollbar (list_impl_t self,
int value, int extent, int min, int max,
int rightx, int topy, int height)
{
grub_gfxmenu_box_t frame = self->scrollbar_frame;
grub_gfxmenu_box_t thumb = self->scrollbar_thumb;
int frame_vertical_pad = (frame->get_top_pad (frame)
+ frame->get_bottom_pad (frame));
int frame_horizontal_pad = (frame->get_left_pad (frame)
+ frame->get_right_pad (frame));
int tracktop = topy + frame->get_top_pad (frame);
int tracklen = height - frame_vertical_pad;
frame->set_content_size (frame, self->scrollbar_width, tracklen);
int thumby = tracktop + tracklen * (value - min) / (max - min);
int thumbheight = tracklen * extent / (max - min) + 1;
thumb->set_content_size (thumb,
self->scrollbar_width - frame_horizontal_pad,
thumbheight - (thumb->get_top_pad (thumb)
+ thumb->get_bottom_pad (thumb)));
frame->draw (frame,
rightx - (self->scrollbar_width + frame_horizontal_pad),
topy);
thumb->draw (thumb,
rightx - (self->scrollbar_width - frame->get_right_pad (frame)),
thumby);
}
/* Draw the list of items. */
static void
draw_menu (list_impl_t self, int width, int drawing_scrollbar,
int num_shown_items)
{
if (! self->menu_box || ! self->selected_item_box)
return;
int boxpad = self->item_padding;
int icon_text_space = self->item_icon_space;
int item_vspace = self->item_spacing;
int ascent = grub_font_get_ascent (self->item_font);
int descent = grub_font_get_descent (self->item_font);
int item_height = self->item_height;
make_selected_item_visible (self);
int scrollbar_h_space = drawing_scrollbar ? self->scrollbar_width : 0;
grub_gfxmenu_box_t selbox = self->selected_item_box;
int sel_leftpad = selbox->get_left_pad (selbox);
int item_top = boxpad;
int item_left = boxpad + sel_leftpad;
int menu_index;
int visible_index;
for (visible_index = 0, menu_index = self->first_shown_index;
visible_index < num_shown_items && menu_index < self->view->menu->size;
visible_index++, menu_index++)
{
int is_selected = (menu_index == self->view->selected);
if (is_selected)
{
int sel_toppad = selbox->get_top_pad (selbox);
selbox->set_content_size (selbox,
(width - 2 * boxpad
- scrollbar_h_space),
item_height);
selbox->draw (selbox,
item_left - sel_leftpad,
item_top - sel_toppad);
}
struct grub_video_bitmap *icon;
if ((icon = get_item_icon (self, menu_index)) != 0)
grub_video_blit_bitmap (icon, GRUB_VIDEO_BLIT_BLEND,
item_left,
item_top + (item_height - self->icon_height) / 2,
0, 0, self->icon_width, self->icon_height);
const char *item_title =
grub_menu_get_entry (self->view->menu, menu_index)->title;
grub_font_t font =
(is_selected && self->selected_item_font
? self->selected_item_font
: self->item_font);
grub_gui_color_t text_color =
((is_selected && self->selected_item_color_set)
? self->selected_item_color
: self->item_color);
grub_font_draw_string (item_title,
font,
grub_gui_map_color (text_color),
item_left + self->icon_width + icon_text_space,
(item_top + (item_height - (ascent + descent))
/ 2 + ascent));
item_top += item_height + item_vspace;
}
}
static void
list_paint (void *vself, const grub_video_rect_t *region)
{
list_impl_t self = vself;
grub_video_rect_t vpsave;
if (! self->visible)
return;
if (!grub_video_have_common_points (region, &self->bounds))
return;
check_boxes (self);
if (! self->menu_box || ! self->selected_item_box)
return;
grub_gui_set_viewport (&self->bounds, &vpsave);
{
grub_gfxmenu_box_t box = self->menu_box;
int box_left_pad = box->get_left_pad (box);
int box_top_pad = box->get_top_pad (box);
int box_right_pad = box->get_right_pad (box);
int box_bottom_pad = box->get_bottom_pad (box);
grub_video_rect_t vpsave2, content_rect;
int num_shown_items = get_num_shown_items (self);
int drawing_scrollbar = (self->draw_scrollbar
&& (num_shown_items < self->view->menu->size)
&& check_scrollbar (self));
content_rect.x = box_left_pad;
content_rect.y = box_top_pad;
content_rect.width = self->bounds.width - box_left_pad - box_right_pad;
content_rect.height = self->bounds.height - box_top_pad - box_bottom_pad;
box->set_content_size (box, content_rect.width, content_rect.height);
box->draw (box, 0, 0);
grub_gui_set_viewport (&content_rect, &vpsave2);
draw_menu (self, content_rect.width, drawing_scrollbar, num_shown_items);
grub_gui_restore_viewport (&vpsave2);
if (drawing_scrollbar)
draw_scrollbar (self,
self->first_shown_index, num_shown_items,
0, self->view->menu->size,
self->bounds.width - box_right_pad
+ self->scrollbar_width,
box_top_pad + self->item_padding,
self->bounds.height - box_top_pad - box_bottom_pad);
}
grub_gui_restore_viewport (&vpsave);
}
static void
list_set_parent (void *vself, grub_gui_container_t parent)
{
list_impl_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
list_get_parent (void *vself)
{
list_impl_t self = vself;
return self->parent;
}
static void
list_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
list_impl_t self = vself;
self->bounds = *bounds;
}
static void
list_get_bounds (void *vself, grub_video_rect_t *bounds)
{
list_impl_t self = vself;
*bounds = self->bounds;
}
static void
list_get_minimal_size (void *vself, unsigned *width, unsigned *height)
{
list_impl_t self = vself;
if (check_boxes (self))
{
int boxpad = self->item_padding;
int item_vspace = self->item_spacing;
int item_height = self->item_height;
int num_items = 3;
grub_gfxmenu_box_t box = self->menu_box;
int box_left_pad = box->get_left_pad (box);
int box_top_pad = box->get_top_pad (box);
int box_right_pad = box->get_right_pad (box);
int box_bottom_pad = box->get_bottom_pad (box);
unsigned width_s;
*width = grub_font_get_string_width (self->item_font, "Typical OS");
width_s = grub_font_get_string_width (self->selected_item_font,
"Typical OS");
if (*width < width_s)
*width = width_s;
*width += 2 * boxpad + box_left_pad + box_right_pad;
/* Set the menu box height to fit the items. */
*height = (item_height * num_items
+ item_vspace * (num_items - 1)
+ 2 * boxpad
+ box_top_pad + box_bottom_pad);
}
else
{
*width = 0;
*height = 0;
}
}
static grub_err_t
list_set_property (void *vself, const char *name, const char *value)
{
list_impl_t self = vself;
if (grub_strcmp (name, "item_font") == 0)
{
self->item_font = grub_font_get (value);
}
else if (grub_strcmp (name, "selected_item_font") == 0)
{
if (! value || grub_strcmp (value, "inherit") == 0)
self->selected_item_font = 0;
else
self->selected_item_font = grub_font_get (value);
}
else if (grub_strcmp (name, "item_color") == 0)
{
grub_gui_parse_color (value, &self->item_color);
}
else if (grub_strcmp (name, "selected_item_color") == 0)
{
if (! value || grub_strcmp (value, "inherit") == 0)
{
self->selected_item_color_set = 0;
}
else
{
if (grub_gui_parse_color (value, &self->selected_item_color)
== GRUB_ERR_NONE)
self->selected_item_color_set = 1;
}
}
else if (grub_strcmp (name, "icon_width") == 0)
{
self->icon_width = grub_strtol (value, 0, 10);
grub_gfxmenu_icon_manager_set_icon_size (self->icon_manager,
self->icon_width,
self->icon_height);
}
else if (grub_strcmp (name, "icon_height") == 0)
{
self->icon_height = grub_strtol (value, 0, 10);
grub_gfxmenu_icon_manager_set_icon_size (self->icon_manager,
self->icon_width,
self->icon_height);
}
else if (grub_strcmp (name, "item_height") == 0)
{
self->item_height = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "item_padding") == 0)
{
self->item_padding = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "item_icon_space") == 0)
{
self->item_icon_space = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "item_spacing") == 0)
{
self->item_spacing = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "visible") == 0)
{
self->visible = grub_strcmp (value, "false") != 0;
}
else if (grub_strcmp (name, "menu_pixmap_style") == 0)
{
self->need_to_recreate_boxes = 1;
grub_free (self->menu_box_pattern);
self->menu_box_pattern = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "selected_item_pixmap_style") == 0)
{
self->need_to_recreate_boxes = 1;
grub_free (self->selected_item_box_pattern);
self->selected_item_box_pattern = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "scrollbar_frame") == 0)
{
self->need_to_recreate_scrollbar = 1;
grub_free (self->scrollbar_frame_pattern);
self->scrollbar_frame_pattern = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "scrollbar_thumb") == 0)
{
self->need_to_recreate_scrollbar = 1;
grub_free (self->scrollbar_thumb_pattern);
self->scrollbar_thumb_pattern = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "scrollbar_width") == 0)
{
self->scrollbar_width = grub_strtol (value, 0, 10);
}
else if (grub_strcmp (name, "scrollbar") == 0)
{
self->draw_scrollbar = grub_strcmp (value, "false") != 0;
}
else if (grub_strcmp (name, "theme_dir") == 0)
{
self->need_to_recreate_boxes = 1;
grub_free (self->theme_dir);
self->theme_dir = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
self->id = grub_strdup (value);
else
self->id = 0;
}
return grub_errno;
}
/* Set necessary information that the gfxmenu view provides. */
static void
list_set_view_info (void *vself,
grub_gfxmenu_view_t view)
{
list_impl_t self = vself;
grub_gfxmenu_icon_manager_set_theme_path (self->icon_manager,
view->theme_path);
self->view = view;
}
static struct grub_gui_component_ops list_comp_ops =
{
.destroy = list_destroy,
.get_id = list_get_id,
.is_instance = list_is_instance,
.paint = list_paint,
.set_parent = list_set_parent,
.get_parent = list_get_parent,
.set_bounds = list_set_bounds,
.get_bounds = list_get_bounds,
.get_minimal_size = list_get_minimal_size,
.set_property = list_set_property
};
static struct grub_gui_list_ops list_ops =
{
.set_view_info = list_set_view_info
};
grub_gui_component_t
grub_gui_list_new (void)
{
list_impl_t self;
grub_font_t default_font;
grub_gui_color_t default_fg_color;
grub_gui_color_t default_bg_color;
self = grub_zalloc (sizeof (*self));
if (! self)
return 0;
self->list.ops = &list_ops;
self->list.component.ops = &list_comp_ops;
self->visible = 1;
default_font = grub_font_get ("Helvetica 12");
default_fg_color = grub_gui_color_rgb (0, 0, 0);
default_bg_color = grub_gui_color_rgb (255, 255, 255);
self->icon_width = 32;
self->icon_height = 32;
self->item_height = 42;
self->item_padding = 14;
self->item_icon_space = 4;
self->item_spacing = 16;
self->item_font = default_font;
self->selected_item_font = 0; /* Default to using the item_font. */
self->item_color = default_fg_color;
self->selected_item_color_set = 0; /* Default to using the item_color. */
self->selected_item_color = default_fg_color;
self->draw_scrollbar = 1;
self->need_to_recreate_scrollbar = 1;
self->scrollbar_frame = 0;
self->scrollbar_thumb = 0;
self->scrollbar_frame_pattern = 0;
self->scrollbar_thumb_pattern = 0;
self->scrollbar_width = 16;
self->first_shown_index = 0;
self->need_to_recreate_boxes = 0;
self->theme_dir = 0;
self->menu_box_pattern = 0;
self->selected_item_box_pattern = 0;
self->menu_box = grub_gfxmenu_create_box (0, 0);
self->selected_item_box = grub_gfxmenu_create_box (0, 0);
self->icon_manager = grub_gfxmenu_icon_manager_new ();
if (! self->icon_manager)
{
self->list.component.ops->destroy (self);
return 0;
}
grub_gfxmenu_icon_manager_set_icon_size (self->icon_manager,
self->icon_width,
self->icon_height);
return (grub_gui_component_t) self;
}

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/* gui_progress_bar.c - GUI progress bar component. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/font.h>
#include <grub/gui_string_util.h>
#include <grub/gfxmenu_view.h>
#include <grub/gfxwidgets.h>
#include <grub/i18n.h>
struct grub_gui_progress_bar
{
struct grub_gui_progress progress;
grub_gui_container_t parent;
grub_video_rect_t bounds;
char *id;
int visible;
int start;
int end;
int value;
int show_text;
char *template;
grub_font_t font;
grub_gui_color_t text_color;
grub_gui_color_t border_color;
grub_gui_color_t bg_color;
grub_gui_color_t fg_color;
char *theme_dir;
int need_to_recreate_pixmaps;
int pixmapbar_available;
char *bar_pattern;
char *highlight_pattern;
grub_gfxmenu_box_t bar_box;
grub_gfxmenu_box_t highlight_box;
};
typedef struct grub_gui_progress_bar *grub_gui_progress_bar_t;
static void
progress_bar_destroy (void *vself)
{
grub_gui_progress_bar_t self = vself;
grub_free (self);
}
static const char *
progress_bar_get_id (void *vself)
{
grub_gui_progress_bar_t self = vself;
return self->id;
}
static int
progress_bar_is_instance (void *vself __attribute__((unused)), const char *type)
{
return grub_strcmp (type, "component") == 0;
}
static int
check_pixmaps (grub_gui_progress_bar_t self)
{
if (!self->pixmapbar_available)
return 0;
if (self->need_to_recreate_pixmaps)
{
grub_gui_recreate_box (&self->bar_box,
self->bar_pattern,
self->theme_dir);
grub_gui_recreate_box (&self->highlight_box,
self->highlight_pattern,
self->theme_dir);
self->need_to_recreate_pixmaps = 0;
}
return (self->bar_box != 0 && self->highlight_box != 0);
}
static void
draw_filled_rect_bar (grub_gui_progress_bar_t self)
{
/* Set the progress bar's frame. */
grub_video_rect_t f;
f.x = 1;
f.y = 1;
f.width = self->bounds.width - 2;
f.height = self->bounds.height - 2;
/* Border. */
grub_video_fill_rect (grub_gui_map_color (self->border_color),
f.x - 1, f.y - 1,
f.width + 2, f.height + 2);
/* Bar background. */
int barwidth = (f.width
* (self->value - self->start)
/ (self->end - self->start));
grub_video_fill_rect (grub_gui_map_color (self->bg_color),
f.x + barwidth, f.y,
f.width - barwidth, f.height);
/* Bar foreground. */
grub_video_fill_rect (grub_gui_map_color (self->fg_color),
f.x, f.y,
barwidth, f.height);
}
static void
draw_pixmap_bar (grub_gui_progress_bar_t self)
{
grub_gfxmenu_box_t bar = self->bar_box;
grub_gfxmenu_box_t hl = self->highlight_box;
int w = self->bounds.width;
int h = self->bounds.height;
int bar_l_pad = bar->get_left_pad (bar);
int bar_r_pad = bar->get_right_pad (bar);
int bar_t_pad = bar->get_top_pad (bar);
int bar_b_pad = bar->get_bottom_pad (bar);
int bar_h_pad = bar_l_pad + bar_r_pad;
int bar_v_pad = bar_t_pad + bar_b_pad;
int tracklen = w - bar_h_pad;
int trackheight = h - bar_v_pad;
int barwidth;
bar->set_content_size (bar, tracklen, trackheight);
barwidth = (tracklen * (self->value - self->start)
/ (self->end - self->start));
hl->set_content_size (hl, barwidth, h - bar_v_pad);
bar->draw (bar, 0, 0);
hl->draw (hl, bar_l_pad, bar_t_pad);
}
static void
draw_text (grub_gui_progress_bar_t self)
{
if (self->template)
{
grub_font_t font = self->font;
grub_video_color_t text_color = grub_gui_map_color (self->text_color);
int width = self->bounds.width;
int height = self->bounds.height;
char *text;
text = grub_xasprintf (self->template,
self->value > 0 ? self->value : -self->value);
if (!text)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
return;
}
/* Center the text. */
int text_width = grub_font_get_string_width (font, text);
int x = (width - text_width) / 2;
int y = ((height - grub_font_get_descent (font)) / 2
+ grub_font_get_ascent (font) / 2);
grub_font_draw_string (text, font, text_color, x, y);
}
}
static void
progress_bar_paint (void *vself, const grub_video_rect_t *region)
{
grub_gui_progress_bar_t self = vself;
grub_video_rect_t vpsave;
if (! self->visible)
return;
if (!grub_video_have_common_points (region, &self->bounds))
return;
if (self->end == self->start)
return;
grub_gui_set_viewport (&self->bounds, &vpsave);
if (check_pixmaps (self))
draw_pixmap_bar (self);
else
draw_filled_rect_bar (self);
draw_text (self);
grub_gui_restore_viewport (&vpsave);
}
static void
progress_bar_set_parent (void *vself, grub_gui_container_t parent)
{
grub_gui_progress_bar_t self = vself;
self->parent = parent;
}
static grub_gui_container_t
progress_bar_get_parent (void *vself)
{
grub_gui_progress_bar_t self = vself;
return self->parent;
}
static void
progress_bar_set_bounds (void *vself, const grub_video_rect_t *bounds)
{
grub_gui_progress_bar_t self = vself;
self->bounds = *bounds;
}
static void
progress_bar_get_bounds (void *vself, grub_video_rect_t *bounds)
{
grub_gui_progress_bar_t self = vself;
*bounds = self->bounds;
}
static void
progress_bar_get_minimal_size (void *vself,
unsigned *width, unsigned *height)
{
unsigned text_width = 0, text_height = 0;
grub_gui_progress_bar_t self = vself;
if (self->template)
{
text_width = grub_font_get_string_width (self->font, self->template);
text_width += grub_font_get_string_width (self->font, "XXXXXXXXXX");
text_height = grub_font_get_descent (self->font)
+ grub_font_get_ascent (self->font);
}
*width = 200;
if (*width < text_width)
*width = text_width;
*height = 28;
if (*height < text_height)
*height = text_height;
}
static void
progress_bar_set_state (void *vself, int visible, int start,
int current, int end)
{
grub_gui_progress_bar_t self = vself;
self->visible = visible;
self->start = start;
self->value = current;
self->end = end;
}
static grub_err_t
progress_bar_set_property (void *vself, const char *name, const char *value)
{
grub_gui_progress_bar_t self = vself;
if (grub_strcmp (name, "text") == 0)
{
grub_free (self->template);
if (grub_strcmp (value, "@TIMEOUT_NOTIFICATION_LONG@") == 0)
value
= _("The highlighted entry will be executed automatically in %ds.");
else if (grub_strcmp (value, "@TIMEOUT_NOTIFICATION_MIDDLE@") == 0)
/* TRANSLATORS: 's' stands for seconds.
It's a standalone timeout notification.
Please use the short form in your language. */
value = _("%ds remaining.");
else if (grub_strcmp (value, "@TIMEOUT_NOTIFICATION_SHORT@") == 0)
/* TRANSLATORS: 's' stands for seconds.
It's a standalone timeout notification.
Please use the shortest form available in you language. */
value = _("%ds");
self->template = grub_strdup (value);
}
else if (grub_strcmp (name, "font") == 0)
{
self->font = grub_font_get (value);
}
else if (grub_strcmp (name, "text_color") == 0)
{
grub_gui_parse_color (value, &self->text_color);
}
else if (grub_strcmp (name, "border_color") == 0)
{
grub_gui_parse_color (value, &self->border_color);
}
else if (grub_strcmp (name, "bg_color") == 0)
{
grub_gui_parse_color (value, &self->bg_color);
}
else if (grub_strcmp (name, "fg_color") == 0)
{
grub_gui_parse_color (value, &self->fg_color);
}
else if (grub_strcmp (name, "bar_style") == 0)
{
self->need_to_recreate_pixmaps = 1;
self->pixmapbar_available = 1;
grub_free (self->bar_pattern);
self->bar_pattern = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "highlight_style") == 0)
{
self->need_to_recreate_pixmaps = 1;
self->pixmapbar_available = 1;
grub_free (self->highlight_pattern);
self->highlight_pattern = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "theme_dir") == 0)
{
self->need_to_recreate_pixmaps = 1;
grub_free (self->theme_dir);
self->theme_dir = value ? grub_strdup (value) : 0;
}
else if (grub_strcmp (name, "id") == 0)
{
grub_free (self->id);
if (value)
self->id = grub_strdup (value);
else
self->id = 0;
}
return grub_errno;
}
static struct grub_gui_component_ops progress_bar_ops =
{
.destroy = progress_bar_destroy,
.get_id = progress_bar_get_id,
.is_instance = progress_bar_is_instance,
.paint = progress_bar_paint,
.set_parent = progress_bar_set_parent,
.get_parent = progress_bar_get_parent,
.set_bounds = progress_bar_set_bounds,
.get_bounds = progress_bar_get_bounds,
.get_minimal_size = progress_bar_get_minimal_size,
.set_property = progress_bar_set_property
};
static struct grub_gui_progress_ops progress_bar_pb_ops =
{
.set_state = progress_bar_set_state
};
grub_gui_component_t
grub_gui_progress_bar_new (void)
{
grub_gui_progress_bar_t self;
self = grub_zalloc (sizeof (*self));
if (! self)
return 0;
self->progress.ops = &progress_bar_pb_ops;
self->progress.component.ops = &progress_bar_ops;
self->visible = 1;
self->font = grub_font_get ("Helvetica 10");
grub_gui_color_t black = { .red = 0, .green = 0, .blue = 0, .alpha = 255 };
grub_gui_color_t gray = { .red = 128, .green = 128, .blue = 128, .alpha = 255 };
grub_gui_color_t lightgray = { .red = 200, .green = 200, .blue = 200, .alpha = 255 };
self->text_color = black;
self->border_color = black;
self->bg_color = gray;
self->fg_color = lightgray;
return (grub_gui_component_t) self;
}

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/* gui_string_util.c - String utilities used by the GUI system. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/gui_string_util.h>
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
/* Create a new NUL-terminated string on the heap as a substring of BUF.
The range of buf included is the half-open interval [START,END).
The index START is inclusive, END is exclusive. */
char *
grub_new_substring (const char *buf,
grub_size_t start, grub_size_t end)
{
if (end < start)
return 0;
grub_size_t len = end - start;
char *s = grub_malloc (len + 1);
if (! s)
return 0;
grub_memcpy (s, buf + start, len);
s[len] = '\0';
return s;
}
/* Eliminate "." and ".." path elements from PATH. A new heap-allocated
string is returned. */
static char *
canonicalize_path (const char *path)
{
int i;
const char *p;
char *newpath = 0;
/* Count the path components in path. */
int components = 1;
for (p = path; *p; p++)
if (*p == '/')
components++;
char **path_array = grub_malloc (components * sizeof (*path_array));
if (! path_array)
return 0;
/* Initialize array elements to NULL pointers; in case once of the
allocations fails, the cleanup code can just call grub_free() for all
pointers in the array. */
for (i = 0; i < components; i++)
path_array[i] = 0;
/* Parse the path into path_array. */
p = path;
for (i = 0; i < components && p; i++)
{
/* Find the end of the path element. */
const char *end = grub_strchr (p, '/');
if (!end)
end = p + grub_strlen (p);
/* Copy the element. */
path_array[i] = grub_new_substring (p, 0, end - p);
if (! path_array[i])
goto cleanup;
/* Advance p to point to the start of the next element, or NULL. */
if (*end)
p = end + 1;
else
p = 0;
}
/* Eliminate '.' and '..' elements from the path array. */
int newpath_length = 0;
for (i = components - 1; i >= 0; --i)
{
if (! grub_strcmp (path_array[i], "."))
{
grub_free (path_array[i]);
path_array[i] = 0;
}
else if (! grub_strcmp (path_array[i], "..")
&& i > 0)
{
/* Delete the '..' and the prior path element. */
grub_free (path_array[i]);
path_array[i] = 0;
--i;
grub_free (path_array[i]);
path_array[i] = 0;
}
else
{
newpath_length += grub_strlen (path_array[i]) + 1;
}
}
/* Construct a new path string. */
newpath = grub_malloc (newpath_length + 1);
if (! newpath)
goto cleanup;
newpath[0] = '\0';
char *newpath_end = newpath;
int first = 1;
for (i = 0; i < components; i++)
{
char *element = path_array[i];
if (element)
{
/* For all components but the first, prefix with a slash. */
if (! first)
newpath_end = grub_stpcpy (newpath_end, "/");
newpath_end = grub_stpcpy (newpath_end, element);
first = 0;
}
}
cleanup:
for (i = 0; i < components; i++)
grub_free (path_array[i]);
grub_free (path_array);
return newpath;
}
/* Return a new heap-allocated string representing to absolute path
to the file referred to by PATH. If PATH is an absolute path, then
the returned path is a copy of PATH. If PATH is a relative path, then
BASE is with PATH used to construct the absolute path. */
char *
grub_resolve_relative_path (const char *base, const char *path)
{
char *abspath;
char *canonpath;
char *p;
grub_size_t l;
/* If PATH is an absolute path, then just use it as is. */
if (path[0] == '/' || path[0] == '(')
return canonicalize_path (path);
abspath = grub_malloc (grub_strlen (base) + grub_strlen (path) + 3);
if (! abspath)
return 0;
/* Concatenate BASE and PATH. */
p = grub_stpcpy (abspath, base);
l = grub_strlen (abspath);
if (l == 0 || abspath[l-1] != '/')
{
*p = '/';
p++;
*p = 0;
}
grub_stpcpy (p, path);
canonpath = canonicalize_path (abspath);
if (! canonpath)
return abspath;
grub_free (abspath);
return canonpath;
}
/* Get the path of the directory where the file at FILE_PATH is located.
FILE_PATH should refer to a file, not a directory. The returned path
includes a trailing slash.
This does not handle GRUB "(hd0,0)" paths properly yet since it only
looks at slashes. */
char *
grub_get_dirname (const char *file_path)
{
int i;
int last_slash;
last_slash = -1;
for (i = grub_strlen (file_path) - 1; i >= 0; --i)
{
if (file_path[i] == '/')
{
last_slash = i;
break;
}
}
if (last_slash == -1)
return grub_strdup ("/");
return grub_new_substring (file_path, 0, last_slash + 1);
}
static __inline int
my_isxdigit (char c)
{
return ((c >= '0' && c <= '9')
|| (c >= 'a' && c <= 'f')
|| (c >= 'A' && c <= 'F'));
}
static int
parse_hex_color_component (const char *s, unsigned start, unsigned end)
{
unsigned len;
char buf[3];
len = end - start;
/* Check the limits so we don't overrun the buffer. */
if (len < 1 || len > 2)
return 0;
if (len == 1)
{
buf[0] = s[start]; /* Get the first and only hex digit. */
buf[1] = buf[0]; /* Duplicate the hex digit. */
}
else if (len == 2)
{
buf[0] = s[start];
buf[1] = s[start + 1];
}
buf[2] = '\0';
return grub_strtoul (buf, 0, 16);
}
/* Parse a color string of the form "r, g, b", "#RGB", "#RGBA",
"#RRGGBB", or "#RRGGBBAA". */
grub_err_t
grub_gui_parse_color (const char *s, grub_gui_color_t *color)
{
grub_gui_color_t c;
/* Skip whitespace. */
while (*s && grub_isspace (*s))
s++;
if (*s == '#')
{
/* HTML-style. Number if hex digits:
[6] #RRGGBB [3] #RGB
[8] #RRGGBBAA [4] #RGBA */
s++; /* Skip the '#'. */
/* Count the hexits to determine the format. */
int hexits = 0;
const char *end = s;
while (my_isxdigit (*end))
{
end++;
hexits++;
}
/* Parse the color components based on the format. */
if (hexits == 3 || hexits == 4)
{
c.red = parse_hex_color_component (s, 0, 1);
c.green = parse_hex_color_component (s, 1, 2);
c.blue = parse_hex_color_component (s, 2, 3);
if (hexits == 4)
c.alpha = parse_hex_color_component (s, 3, 4);
else
c.alpha = 255;
}
else if (hexits == 6 || hexits == 8)
{
c.red = parse_hex_color_component (s, 0, 2);
c.green = parse_hex_color_component (s, 2, 4);
c.blue = parse_hex_color_component (s, 4, 6);
if (hexits == 8)
c.alpha = parse_hex_color_component (s, 6, 8);
else
c.alpha = 255;
}
else
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"invalid HTML-type color string `%s'", s);
}
else if (grub_isdigit (*s))
{
/* Comma separated decimal values. */
c.red = grub_strtoul (s, 0, 0);
if ((s = grub_strchr (s, ',')) == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"missing 1st comma separator in color `%s'", s);
s++;
c.green = grub_strtoul (s, 0, 0);
if ((s = grub_strchr (s, ',')) == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"missing 2nd comma separator in color `%s'", s);
s++;
c.blue = grub_strtoul (s, 0, 0);
if ((s = grub_strchr (s, ',')) == 0)
c.alpha = 255;
else
{
s++;
c.alpha = grub_strtoul (s, 0, 0);
}
}
else
{
if (! grub_gui_get_named_color (s, &c))
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"invalid named color `%s'", s);
}
if (grub_errno == GRUB_ERR_NONE)
*color = c;
return grub_errno;
}

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/* gui_util.c - GUI utility functions. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/gui.h>
#include <grub/gui_string_util.h>
struct find_by_id_state
{
const char *match_id;
grub_gui_component_callback match_callback;
void *match_userdata;
};
static void
find_by_id_recursively (grub_gui_component_t component, void *userdata)
{
struct find_by_id_state *state;
const char *id;
state = (struct find_by_id_state *) userdata;
id = component->ops->get_id (component);
if (id && grub_strcmp (id, state->match_id) == 0)
state->match_callback (component, state->match_userdata);
if (component->ops->is_instance (component, "container"))
{
grub_gui_container_t container;
container = (grub_gui_container_t) component;
container->ops->iterate_children (container,
find_by_id_recursively,
state);
}
}
void
grub_gui_find_by_id (grub_gui_component_t root,
const char *id,
grub_gui_component_callback cb,
void *userdata)
{
struct find_by_id_state state;
state.match_id = id;
state.match_callback = cb;
state.match_userdata = userdata;
find_by_id_recursively (root, &state);
}
struct iterate_recursively_state
{
grub_gui_component_callback callback;
void *userdata;
};
static
void iterate_recursively_cb (grub_gui_component_t component, void *userdata)
{
struct iterate_recursively_state *state;
state = (struct iterate_recursively_state *) userdata;
state->callback (component, state->userdata);
if (component->ops->is_instance (component, "container"))
{
grub_gui_container_t container;
container = (grub_gui_container_t) component;
container->ops->iterate_children (container,
iterate_recursively_cb,
state);
}
}
void
grub_gui_iterate_recursively (grub_gui_component_t root,
grub_gui_component_callback cb,
void *userdata)
{
struct iterate_recursively_state state;
state.callback = cb;
state.userdata = userdata;
iterate_recursively_cb (root, &state);
}

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/* icon_manager.c - gfxmenu icon manager. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/gui_string_util.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
#include <grub/menu.h>
#include <grub/icon_manager.h>
#include <grub/env.h>
/* Currently hard coded to '.png' extension. */
static const char icon_extension[] = ".png";
typedef struct icon_entry
{
char *class_name;
struct grub_video_bitmap *bitmap;
struct icon_entry *next;
} *icon_entry_t;
struct grub_gfxmenu_icon_manager
{
char *theme_path;
int icon_width;
int icon_height;
/* Icon cache: linked list w/ dummy head node. */
struct icon_entry cache;
};
/* Create a new icon manager and return a point to it. */
grub_gfxmenu_icon_manager_t
grub_gfxmenu_icon_manager_new (void)
{
grub_gfxmenu_icon_manager_t mgr;
mgr = grub_malloc (sizeof (*mgr));
if (! mgr)
return 0;
mgr->theme_path = 0;
mgr->icon_width = 0;
mgr->icon_height = 0;
/* Initialize the dummy head node. */
mgr->cache.class_name = 0;
mgr->cache.bitmap = 0;
mgr->cache.next = 0;
return mgr;
}
/* Destroy the icon manager MGR, freeing all resources used by it.
Note: Any bitmaps returned by grub_gfxmenu_icon_manager_get_icon()
are destroyed and must not be used by the caller after this function
is called. */
void
grub_gfxmenu_icon_manager_destroy (grub_gfxmenu_icon_manager_t mgr)
{
grub_gfxmenu_icon_manager_clear_cache (mgr);
grub_free (mgr->theme_path);
grub_free (mgr);
}
/* Clear the icon cache. */
void
grub_gfxmenu_icon_manager_clear_cache (grub_gfxmenu_icon_manager_t mgr)
{
icon_entry_t cur;
icon_entry_t next;
for (cur = mgr->cache.next; cur; cur = next)
{
next = cur->next;
grub_free (cur->class_name);
grub_video_bitmap_destroy (cur->bitmap);
grub_free (cur);
}
mgr->cache.next = 0;
}
/* Set the theme path. If the theme path is changed, the icon cache
is cleared. */
void
grub_gfxmenu_icon_manager_set_theme_path (grub_gfxmenu_icon_manager_t mgr,
const char *path)
{
/* Clear the cache if the theme path has changed. */
if (((mgr->theme_path == 0) != (path == 0))
|| (grub_strcmp (mgr->theme_path, path) != 0))
grub_gfxmenu_icon_manager_clear_cache (mgr);
grub_free (mgr->theme_path);
mgr->theme_path = path ? grub_strdup (path) : 0;
}
/* Set the icon size. When icons are requested from the icon manager,
they are scaled to this size before being returned. If the size is
changed, the icon cache is cleared. */
void
grub_gfxmenu_icon_manager_set_icon_size (grub_gfxmenu_icon_manager_t mgr,
int width, int height)
{
/* If the width or height is changed, we must clear the cache, since the
scaled bitmaps are stored in the cache. */
if (width != mgr->icon_width || height != mgr->icon_height)
grub_gfxmenu_icon_manager_clear_cache (mgr);
mgr->icon_width = width;
mgr->icon_height = height;
}
/* Try to load an icon for the specified CLASS_NAME in the directory DIR.
Returns 0 if the icon could not be loaded, or returns a pointer to a new
bitmap if it was successful. */
static struct grub_video_bitmap *
try_loading_icon (grub_gfxmenu_icon_manager_t mgr,
const char *dir, const char *class_name)
{
char *path;
int l;
path = grub_malloc (grub_strlen (dir) + grub_strlen (class_name)
+ grub_strlen (icon_extension) + 3);
if (! path)
return 0;
grub_strcpy (path, dir);
l = grub_strlen (path);
if (path[l-1] != '/')
{
path[l] = '/';
path[l+1] = 0;
}
grub_strcat (path, class_name);
grub_strcat (path, icon_extension);
struct grub_video_bitmap *raw_bitmap;
grub_video_bitmap_load (&raw_bitmap, path);
grub_free (path);
grub_errno = GRUB_ERR_NONE; /* Critical to clear the error!! */
if (! raw_bitmap)
return 0;
struct grub_video_bitmap *scaled_bitmap;
grub_video_bitmap_create_scaled (&scaled_bitmap,
mgr->icon_width, mgr->icon_height,
raw_bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
grub_video_bitmap_destroy (raw_bitmap);
if (! scaled_bitmap)
{
grub_error_push ();
grub_error (grub_errno, "failed to scale icon");
return 0;
}
return scaled_bitmap;
}
/* Get the icon for the specified class CLASS_NAME. If an icon for
CLASS_NAME already exists in the cache, then a reference to the cached
bitmap is returned. If it is not cached, then it is loaded and cached.
If no icon could be could for CLASS_NAME, then 0 is returned. */
static struct grub_video_bitmap *
get_icon_by_class (grub_gfxmenu_icon_manager_t mgr, const char *class_name)
{
/* First check the icon cache. */
icon_entry_t entry;
for (entry = mgr->cache.next; entry; entry = entry->next)
{
if (grub_strcmp (entry->class_name, class_name) == 0)
return entry->bitmap;
}
if (! mgr->theme_path)
return 0;
/* Otherwise, we search for an icon to load. */
char *theme_dir = grub_get_dirname (mgr->theme_path);
char *icons_dir;
struct grub_video_bitmap *icon;
icon = 0;
/* First try the theme's own icons, from "grub/themes/NAME/icons/" */
icons_dir = grub_resolve_relative_path (theme_dir, "icons/");
if (icons_dir)
{
icon = try_loading_icon (mgr, icons_dir, class_name);
grub_free (icons_dir);
}
grub_free (theme_dir);
if (! icon)
{
const char *icondir;
icondir = grub_env_get ("icondir");
if (icondir)
icon = try_loading_icon (mgr, icondir, class_name);
}
/* No icon was found. */
/* This should probably be noted in the cache, so that a search is not
performed each time an icon for CLASS_NAME is requested. */
if (! icon)
return 0;
/* Insert a new cache entry for this icon. */
entry = grub_malloc (sizeof (*entry));
if (! entry)
{
grub_video_bitmap_destroy (icon);
return 0;
}
entry->class_name = grub_strdup (class_name);
entry->bitmap = icon;
entry->next = mgr->cache.next;
mgr->cache.next = entry; /* Link it into the cache. */
return entry->bitmap;
}
/* Get the best available icon for ENTRY. Beginning with the first class
listed in the menu entry and proceeding forward, an icon for each class
is searched for. The first icon found is returned. The returned icon
is scaled to the size specified by
grub_gfxmenu_icon_manager_set_icon_size().
Note: Bitmaps returned by this function are destroyed when the
icon manager is destroyed.
*/
struct grub_video_bitmap *
grub_gfxmenu_icon_manager_get_icon (grub_gfxmenu_icon_manager_t mgr,
grub_menu_entry_t entry)
{
struct grub_menu_entry_class *c;
struct grub_video_bitmap *icon;
/* Try each class in succession. */
icon = 0;
for (c = entry->classes->next; c && ! icon; c = c->next)
icon = get_icon_by_class (mgr, c->name);
return icon;
}

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/* named_colors.c - Named color values. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/gui.h>
#include <grub/gui_string_util.h>
#include <grub/misc.h>
struct named_color
{
const char *name;
grub_gui_color_t color;
};
/*
Named color list generated from the list of SVG color keywords from
<http://www.w3.org/TR/css3-color/#svg-color>,
processed through the following Perl command:
perl -ne 'chomp;split;print "{ \"$_[0]\", RGB_COLOR($_[2]) },\n"'
*/
#define RGB_COLOR(r,g,b) {.red = r, .green = g, .blue = b, .alpha = 255}
static struct named_color named_colors[] =
{
{ "aliceblue", RGB_COLOR(240,248,255) },
{ "antiquewhite", RGB_COLOR(250,235,215) },
{ "aqua", RGB_COLOR(0,255,255) },
{ "aquamarine", RGB_COLOR(127,255,212) },
{ "azure", RGB_COLOR(240,255,255) },
{ "beige", RGB_COLOR(245,245,220) },
{ "bisque", RGB_COLOR(255,228,196) },
{ "black", RGB_COLOR(0,0,0) },
{ "blanchedalmond", RGB_COLOR(255,235,205) },
{ "blue", RGB_COLOR(0,0,255) },
{ "blueviolet", RGB_COLOR(138,43,226) },
{ "brown", RGB_COLOR(165,42,42) },
{ "burlywood", RGB_COLOR(222,184,135) },
{ "cadetblue", RGB_COLOR(95,158,160) },
{ "chartreuse", RGB_COLOR(127,255,0) },
{ "chocolate", RGB_COLOR(210,105,30) },
{ "coral", RGB_COLOR(255,127,80) },
{ "cornflowerblue", RGB_COLOR(100,149,237) },
{ "cornsilk", RGB_COLOR(255,248,220) },
{ "crimson", RGB_COLOR(220,20,60) },
{ "cyan", RGB_COLOR(0,255,255) },
{ "darkblue", RGB_COLOR(0,0,139) },
{ "darkcyan", RGB_COLOR(0,139,139) },
{ "darkgoldenrod", RGB_COLOR(184,134,11) },
{ "darkgray", RGB_COLOR(169,169,169) },
{ "darkgreen", RGB_COLOR(0,100,0) },
{ "darkgrey", RGB_COLOR(169,169,169) },
{ "darkkhaki", RGB_COLOR(189,183,107) },
{ "darkmagenta", RGB_COLOR(139,0,139) },
{ "darkolivegreen", RGB_COLOR(85,107,47) },
{ "darkorange", RGB_COLOR(255,140,0) },
{ "darkorchid", RGB_COLOR(153,50,204) },
{ "darkred", RGB_COLOR(139,0,0) },
{ "darksalmon", RGB_COLOR(233,150,122) },
{ "darkseagreen", RGB_COLOR(143,188,143) },
{ "darkslateblue", RGB_COLOR(72,61,139) },
{ "darkslategray", RGB_COLOR(47,79,79) },
{ "darkslategrey", RGB_COLOR(47,79,79) },
{ "darkturquoise", RGB_COLOR(0,206,209) },
{ "darkviolet", RGB_COLOR(148,0,211) },
{ "deeppink", RGB_COLOR(255,20,147) },
{ "deepskyblue", RGB_COLOR(0,191,255) },
{ "dimgray", RGB_COLOR(105,105,105) },
{ "dimgrey", RGB_COLOR(105,105,105) },
{ "dodgerblue", RGB_COLOR(30,144,255) },
{ "firebrick", RGB_COLOR(178,34,34) },
{ "floralwhite", RGB_COLOR(255,250,240) },
{ "forestgreen", RGB_COLOR(34,139,34) },
{ "fuchsia", RGB_COLOR(255,0,255) },
{ "gainsboro", RGB_COLOR(220,220,220) },
{ "ghostwhite", RGB_COLOR(248,248,255) },
{ "gold", RGB_COLOR(255,215,0) },
{ "goldenrod", RGB_COLOR(218,165,32) },
{ "gray", RGB_COLOR(128,128,128) },
{ "green", RGB_COLOR(0,128,0) },
{ "greenyellow", RGB_COLOR(173,255,47) },
{ "grey", RGB_COLOR(128,128,128) },
{ "honeydew", RGB_COLOR(240,255,240) },
{ "hotpink", RGB_COLOR(255,105,180) },
{ "indianred", RGB_COLOR(205,92,92) },
{ "indigo", RGB_COLOR(75,0,130) },
{ "ivory", RGB_COLOR(255,255,240) },
{ "khaki", RGB_COLOR(240,230,140) },
{ "lavender", RGB_COLOR(230,230,250) },
{ "lavenderblush", RGB_COLOR(255,240,245) },
{ "lawngreen", RGB_COLOR(124,252,0) },
{ "lemonchiffon", RGB_COLOR(255,250,205) },
{ "lightblue", RGB_COLOR(173,216,230) },
{ "lightcoral", RGB_COLOR(240,128,128) },
{ "lightcyan", RGB_COLOR(224,255,255) },
{ "lightgoldenrodyellow", RGB_COLOR(250,250,210) },
{ "lightgray", RGB_COLOR(211,211,211) },
{ "lightgreen", RGB_COLOR(144,238,144) },
{ "lightgrey", RGB_COLOR(211,211,211) },
{ "lightpink", RGB_COLOR(255,182,193) },
{ "lightsalmon", RGB_COLOR(255,160,122) },
{ "lightseagreen", RGB_COLOR(32,178,170) },
{ "lightskyblue", RGB_COLOR(135,206,250) },
{ "lightslategray", RGB_COLOR(119,136,153) },
{ "lightslategrey", RGB_COLOR(119,136,153) },
{ "lightsteelblue", RGB_COLOR(176,196,222) },
{ "lightyellow", RGB_COLOR(255,255,224) },
{ "lime", RGB_COLOR(0,255,0) },
{ "limegreen", RGB_COLOR(50,205,50) },
{ "linen", RGB_COLOR(250,240,230) },
{ "magenta", RGB_COLOR(255,0,255) },
{ "maroon", RGB_COLOR(128,0,0) },
{ "mediumaquamarine", RGB_COLOR(102,205,170) },
{ "mediumblue", RGB_COLOR(0,0,205) },
{ "mediumorchid", RGB_COLOR(186,85,211) },
{ "mediumpurple", RGB_COLOR(147,112,219) },
{ "mediumseagreen", RGB_COLOR(60,179,113) },
{ "mediumslateblue", RGB_COLOR(123,104,238) },
{ "mediumspringgreen", RGB_COLOR(0,250,154) },
{ "mediumturquoise", RGB_COLOR(72,209,204) },
{ "mediumvioletred", RGB_COLOR(199,21,133) },
{ "midnightblue", RGB_COLOR(25,25,112) },
{ "mintcream", RGB_COLOR(245,255,250) },
{ "mistyrose", RGB_COLOR(255,228,225) },
{ "moccasin", RGB_COLOR(255,228,181) },
{ "navajowhite", RGB_COLOR(255,222,173) },
{ "navy", RGB_COLOR(0,0,128) },
{ "oldlace", RGB_COLOR(253,245,230) },
{ "olive", RGB_COLOR(128,128,0) },
{ "olivedrab", RGB_COLOR(107,142,35) },
{ "orange", RGB_COLOR(255,165,0) },
{ "orangered", RGB_COLOR(255,69,0) },
{ "orchid", RGB_COLOR(218,112,214) },
{ "palegoldenrod", RGB_COLOR(238,232,170) },
{ "palegreen", RGB_COLOR(152,251,152) },
{ "paleturquoise", RGB_COLOR(175,238,238) },
{ "palevioletred", RGB_COLOR(219,112,147) },
{ "papayawhip", RGB_COLOR(255,239,213) },
{ "peachpuff", RGB_COLOR(255,218,185) },
{ "peru", RGB_COLOR(205,133,63) },
{ "pink", RGB_COLOR(255,192,203) },
{ "plum", RGB_COLOR(221,160,221) },
{ "powderblue", RGB_COLOR(176,224,230) },
{ "purple", RGB_COLOR(128,0,128) },
{ "red", RGB_COLOR(255,0,0) },
{ "rosybrown", RGB_COLOR(188,143,143) },
{ "royalblue", RGB_COLOR(65,105,225) },
{ "saddlebrown", RGB_COLOR(139,69,19) },
{ "salmon", RGB_COLOR(250,128,114) },
{ "sandybrown", RGB_COLOR(244,164,96) },
{ "seagreen", RGB_COLOR(46,139,87) },
{ "seashell", RGB_COLOR(255,245,238) },
{ "sienna", RGB_COLOR(160,82,45) },
{ "silver", RGB_COLOR(192,192,192) },
{ "skyblue", RGB_COLOR(135,206,235) },
{ "slateblue", RGB_COLOR(106,90,205) },
{ "slategray", RGB_COLOR(112,128,144) },
{ "slategrey", RGB_COLOR(112,128,144) },
{ "snow", RGB_COLOR(255,250,250) },
{ "springgreen", RGB_COLOR(0,255,127) },
{ "steelblue", RGB_COLOR(70,130,180) },
{ "tan", RGB_COLOR(210,180,140) },
{ "teal", RGB_COLOR(0,128,128) },
{ "thistle", RGB_COLOR(216,191,216) },
{ "tomato", RGB_COLOR(255,99,71) },
{ "turquoise", RGB_COLOR(64,224,208) },
{ "violet", RGB_COLOR(238,130,238) },
{ "wheat", RGB_COLOR(245,222,179) },
{ "white", RGB_COLOR(255,255,255) },
{ "whitesmoke", RGB_COLOR(245,245,245) },
{ "yellow", RGB_COLOR(255,255,0) },
{ "yellowgreen", RGB_COLOR(154,205,50) },
{ 0, { 0, 0, 0, 0 } } /* Terminator. */
};
/* Get the color named NAME. If the color was found, returns 1 and
stores the color into *COLOR. If the color was not found, returns 0 and
does not modify *COLOR. */
int
grub_gui_get_named_color (const char *name,
grub_gui_color_t *color)
{
int i;
for (i = 0; named_colors[i].name; i++)
{
if (grub_strcmp (named_colors[i].name, name) == 0)
{
*color = named_colors[i].color;
return 1;
}
}
return 0;
}

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/* theme_loader.c - Theme file loader for gfxmenu. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/file.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/video.h>
#include <grub/gui_string_util.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
#include <grub/gfxwidgets.h>
#include <grub/gfxmenu_view.h>
#include <grub/gui.h>
/* Construct a new box widget using ABSPATTERN to find the pixmap files for
it, storing the new box instance at *BOXPTR.
PATTERN should be of the form: "(hd0,0)/somewhere/style*.png".
The '*' then gets substituted with the various pixmap names that the
box uses. */
static grub_err_t
recreate_box_absolute (grub_gfxmenu_box_t *boxptr, const char *abspattern)
{
char *prefix;
char *suffix;
char *star;
grub_gfxmenu_box_t box;
star = grub_strchr (abspattern, '*');
if (! star)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"missing `*' in box pixmap pattern `%s'", abspattern);
/* Prefix: Get the part before the '*'. */
prefix = grub_malloc (star - abspattern + 1);
if (! prefix)
return grub_errno;
grub_memcpy (prefix, abspattern, star - abspattern);
prefix[star - abspattern] = '\0';
/* Suffix: Everything after the '*' is the suffix. */
suffix = star + 1;
box = grub_gfxmenu_create_box (prefix, suffix);
grub_free (prefix);
if (! box)
return grub_errno;
if (*boxptr)
(*boxptr)->destroy (*boxptr);
*boxptr = box;
return grub_errno;
}
/* Construct a new box widget using PATTERN to find the pixmap files for it,
storing the new widget at *BOXPTR. PATTERN should be of the form:
"somewhere/style*.png". The '*' then gets substituted with the various
pixmap names that the widget uses.
Important! The value of *BOXPTR must be initialized! It must either
(1) Be 0 (a NULL pointer), or
(2) Be a pointer to a valid 'grub_gfxmenu_box_t' instance.
In this case, the previous instance is destroyed. */
grub_err_t
grub_gui_recreate_box (grub_gfxmenu_box_t *boxptr,
const char *pattern, const char *theme_dir)
{
char *abspattern;
/* Check arguments. */
if (! pattern)
{
/* If no pixmap pattern is given, then just create an empty box. */
if (*boxptr)
(*boxptr)->destroy (*boxptr);
*boxptr = grub_gfxmenu_create_box (0, 0);
return grub_errno;
}
if (! theme_dir)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"styled box missing theme directory");
/* Resolve to an absolute path. */
abspattern = grub_resolve_relative_path (theme_dir, pattern);
if (! abspattern)
return grub_errno;
/* Create the box. */
recreate_box_absolute (boxptr, abspattern);
grub_free (abspattern);
return grub_errno;
}
/* Set the specified property NAME on the view to the given string VALUE.
The caller is responsible for the lifetimes of NAME and VALUE. */
static grub_err_t
theme_set_string (grub_gfxmenu_view_t view,
const char *name,
const char *value,
const char *theme_dir,
const char *filename,
int line_num,
int col_num)
{
if (! grub_strcmp ("title-font", name))
view->title_font = grub_font_get (value);
else if (! grub_strcmp ("message-font", name))
view->message_font = grub_font_get (value);
else if (! grub_strcmp ("terminal-font", name))
{
grub_free (view->terminal_font_name);
view->terminal_font_name = grub_strdup (value);
if (! view->terminal_font_name)
return grub_errno;
}
else if (! grub_strcmp ("title-color", name))
grub_gui_parse_color (value, &view->title_color);
else if (! grub_strcmp ("message-color", name))
grub_gui_parse_color (value, &view->message_color);
else if (! grub_strcmp ("message-bg-color", name))
grub_gui_parse_color (value, &view->message_bg_color);
else if (! grub_strcmp ("desktop-image", name))
{
struct grub_video_bitmap *raw_bitmap;
struct grub_video_bitmap *scaled_bitmap;
char *path;
path = grub_resolve_relative_path (theme_dir, value);
if (! path)
return grub_errno;
if (grub_video_bitmap_load (&raw_bitmap, path) != GRUB_ERR_NONE)
{
grub_free (path);
return grub_errno;
}
grub_free(path);
grub_video_bitmap_create_scaled (&scaled_bitmap,
view->screen.width,
view->screen.height,
raw_bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
grub_video_bitmap_destroy (raw_bitmap);
if (! scaled_bitmap)
{
grub_error_push ();
return grub_error (grub_errno, "error scaling desktop image");
}
grub_video_bitmap_destroy (view->desktop_image);
view->desktop_image = scaled_bitmap;
}
else if (! grub_strcmp ("desktop-color", name))
grub_gui_parse_color (value, &view->desktop_color);
else if (! grub_strcmp ("terminal-box", name))
{
grub_err_t err;
err = grub_gui_recreate_box (&view->terminal_box, value, theme_dir);
if (err != GRUB_ERR_NONE)
return err;
}
else if (! grub_strcmp ("title-text", name))
{
grub_free (view->title_text);
view->title_text = grub_strdup (value);
if (! view->title_text)
return grub_errno;
}
else
{
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"%s:%d:%d unknown property `%s'",
filename, line_num, col_num, name);
}
return grub_errno;
}
struct parsebuf
{
char *buf;
int pos;
int len;
int line_num;
int col_num;
const char *filename;
char *theme_dir;
grub_gfxmenu_view_t view;
};
static int
has_more (struct parsebuf *p)
{
return p->pos < p->len;
}
static int
read_char (struct parsebuf *p)
{
if (has_more (p))
{
char c;
c = p->buf[p->pos++];
if (c == '\n')
{
p->line_num++;
p->col_num = 1;
}
else
{
p->col_num++;
}
return c;
}
else
return -1;
}
static int
peek_char (struct parsebuf *p)
{
if (has_more (p))
return p->buf[p->pos];
else
return -1;
}
static int
is_whitespace (char c)
{
return (c == ' '
|| c == '\t'
|| c == '\r'
|| c == '\n'
|| c == '\f');
}
static void
skip_whitespace (struct parsebuf *p)
{
while (has_more (p) && is_whitespace(peek_char (p)))
read_char (p);
}
static void
advance_to_next_line (struct parsebuf *p)
{
int c;
/* Eat characters up to the newline. */
do
{
c = read_char (p);
}
while (c != -1 && c != '\n');
}
static int
is_identifier_char (int c)
{
return (c != -1
&& (grub_isalpha(c)
|| grub_isdigit(c)
|| c == '_'
|| c == '-'));
}
static char *
read_identifier (struct parsebuf *p)
{
/* Index of the first character of the identifier in p->buf. */
int start;
/* Next index after the last character of the identifer in p->buf. */
int end;
skip_whitespace (p);
/* Capture the start of the identifier. */
start = p->pos;
/* Scan for the end. */
while (is_identifier_char (peek_char (p)))
read_char (p);
end = p->pos;
if (end - start < 1)
return 0;
return grub_new_substring (p->buf, start, end);
}
static char *
read_expression (struct parsebuf *p)
{
int start;
int end;
skip_whitespace (p);
if (peek_char (p) == '"')
{
/* Read as a quoted string.
The quotation marks are not included in the expression value. */
/* Skip opening quotation mark. */
read_char (p);
start = p->pos;
while (has_more (p) && peek_char (p) != '"')
read_char (p);
end = p->pos;
/* Skip the terminating quotation mark. */
read_char (p);
}
else if (peek_char (p) == '(')
{
/* Read as a parenthesized string -- for tuples/coordinates. */
/* The parentheses are included in the expression value. */
int c;
start = p->pos;
do
{
c = read_char (p);
}
while (c != -1 && c != ')');
end = p->pos;
}
else if (has_more (p))
{
/* Read as a single word -- for numeric values or words without
whitespace. */
start = p->pos;
while (has_more (p) && ! is_whitespace (peek_char (p)))
read_char (p);
end = p->pos;
}
else
{
/* The end of the theme file has been reached. */
grub_error (GRUB_ERR_IO, "%s:%d:%d expression expected in theme file",
p->filename, p->line_num, p->col_num);
return 0;
}
return grub_new_substring (p->buf, start, end);
}
static grub_err_t
parse_proportional_spec (char *value, signed *abs, grub_fixed_signed_t *prop)
{
signed num;
char *ptr;
int sig = 0;
*abs = 0;
*prop = 0;
ptr = value;
while (*ptr)
{
sig = 0;
while (*ptr == '-' || *ptr == '+')
{
if (*ptr == '-')
sig = !sig;
ptr++;
}
num = grub_strtoul (ptr, &ptr, 0);
if (grub_errno)
return grub_errno;
if (sig)
num = -num;
if (*ptr == '%')
{
*prop += grub_fixed_fsf_divide (grub_signed_to_fixed (num), 100);
ptr++;
}
else
*abs += num;
}
return GRUB_ERR_NONE;
}
/* Read a GUI object specification from the theme file.
Any components created will be added to the GUI container PARENT. */
static grub_err_t
read_object (struct parsebuf *p, grub_gui_container_t parent)
{
grub_video_rect_t bounds;
char *name;
name = read_identifier (p);
if (! name)
goto cleanup;
grub_gui_component_t component = 0;
if (grub_strcmp (name, "label") == 0)
{
component = grub_gui_label_new ();
}
else if (grub_strcmp (name, "image") == 0)
{
component = grub_gui_image_new ();
}
else if (grub_strcmp (name, "vbox") == 0)
{
component = (grub_gui_component_t) grub_gui_vbox_new ();
}
else if (grub_strcmp (name, "hbox") == 0)
{
component = (grub_gui_component_t) grub_gui_hbox_new ();
}
else if (grub_strcmp (name, "canvas") == 0)
{
component = (grub_gui_component_t) grub_gui_canvas_new ();
}
else if (grub_strcmp (name, "progress_bar") == 0)
{
component = grub_gui_progress_bar_new ();
}
else if (grub_strcmp (name, "circular_progress") == 0)
{
component = grub_gui_circular_progress_new ();
}
else if (grub_strcmp (name, "boot_menu") == 0)
{
component = grub_gui_list_new ();
}
else
{
/* Unknown type. */
grub_error (GRUB_ERR_IO, "%s:%d:%d unknown object type `%s'",
p->filename, p->line_num, p->col_num, name);
goto cleanup;
}
if (! component)
goto cleanup;
/* Inform the component about the theme so it can find its resources. */
component->ops->set_property (component, "theme_dir", p->theme_dir);
component->ops->set_property (component, "theme_path", p->filename);
/* Add the component as a child of PARENT. */
bounds.x = 0;
bounds.y = 0;
bounds.width = -1;
bounds.height = -1;
component->ops->set_bounds (component, &bounds);
parent->ops->add (parent, component);
skip_whitespace (p);
if (read_char (p) != '{')
{
grub_error (GRUB_ERR_IO,
"%s:%d:%d expected `{' after object type name `%s'",
p->filename, p->line_num, p->col_num, name);
goto cleanup;
}
while (has_more (p))
{
skip_whitespace (p);
/* Check whether the end has been encountered. */
if (peek_char (p) == '}')
{
/* Skip the closing brace. */
read_char (p);
break;
}
if (peek_char (p) == '#')
{
/* Skip comments. */
advance_to_next_line (p);
continue;
}
if (peek_char (p) == '+')
{
/* Skip the '+'. */
read_char (p);
/* Check whether this component is a container. */
if (component->ops->is_instance (component, "container"))
{
/* Read the sub-object recursively and add it as a child. */
if (read_object (p, (grub_gui_container_t) component) != 0)
goto cleanup;
/* After reading the sub-object, resume parsing, expecting
another property assignment or sub-object definition. */
continue;
}
else
{
grub_error (GRUB_ERR_IO,
"%s:%d:%d attempted to add object to non-container",
p->filename, p->line_num, p->col_num);
goto cleanup;
}
}
char *property;
property = read_identifier (p);
if (! property)
{
grub_error (GRUB_ERR_IO, "%s:%d:%d identifier expected in theme file",
p->filename, p->line_num, p->col_num);
goto cleanup;
}
skip_whitespace (p);
if (read_char (p) != '=')
{
grub_error (GRUB_ERR_IO,
"%s:%d:%d expected `=' after property name `%s'",
p->filename, p->line_num, p->col_num, property);
grub_free (property);
goto cleanup;
}
skip_whitespace (p);
char *value;
value = read_expression (p);
if (! value)
{
grub_free (property);
goto cleanup;
}
/* Handle the property value. */
if (grub_strcmp (property, "left") == 0)
parse_proportional_spec (value, &component->x, &component->xfrac);
else if (grub_strcmp (property, "top") == 0)
parse_proportional_spec (value, &component->y, &component->yfrac);
else if (grub_strcmp (property, "width") == 0)
parse_proportional_spec (value, &component->w, &component->wfrac);
else if (grub_strcmp (property, "height") == 0)
parse_proportional_spec (value, &component->h, &component->hfrac);
else
/* General property handling. */
component->ops->set_property (component, property, value);
grub_free (value);
grub_free (property);
if (grub_errno != GRUB_ERR_NONE)
goto cleanup;
}
cleanup:
grub_free (name);
return grub_errno;
}
static grub_err_t
read_property (struct parsebuf *p)
{
char *name;
/* Read the property name. */
name = read_identifier (p);
if (! name)
{
advance_to_next_line (p);
return grub_errno;
}
/* Skip whitespace before separator. */
skip_whitespace (p);
/* Read separator. */
if (read_char (p) != ':')
{
grub_error (GRUB_ERR_IO,
"%s:%d:%d missing separator after property name `%s'",
p->filename, p->line_num, p->col_num, name);
goto done;
}
/* Skip whitespace after separator. */
skip_whitespace (p);
/* Get the value based on its type. */
if (peek_char (p) == '"')
{
/* String value (e.g., '"My string"'). */
char *value = read_expression (p);
if (! value)
{
grub_error (GRUB_ERR_IO, "%s:%d:%d missing property value",
p->filename, p->line_num, p->col_num);
goto done;
}
/* If theme_set_string results in an error, grub_errno will be returned
below. */
theme_set_string (p->view, name, value, p->theme_dir,
p->filename, p->line_num, p->col_num);
grub_free (value);
}
else
{
grub_error (GRUB_ERR_IO,
"%s:%d:%d property value invalid; "
"enclose literal values in quotes (\")",
p->filename, p->line_num, p->col_num);
goto done;
}
done:
grub_free (name);
return grub_errno;
}
/* Set properties on the view based on settings from the specified
theme file. */
grub_err_t
grub_gfxmenu_view_load_theme (grub_gfxmenu_view_t view, const char *theme_path)
{
grub_file_t file;
struct parsebuf p;
p.view = view;
p.theme_dir = grub_get_dirname (theme_path);
file = grub_file_open (theme_path);
if (! file)
{
grub_free (p.theme_dir);
return grub_errno;
}
p.len = grub_file_size (file);
p.buf = grub_malloc (p.len);
p.pos = 0;
p.line_num = 1;
p.col_num = 1;
p.filename = theme_path;
if (! p.buf)
{
grub_file_close (file);
grub_free (p.theme_dir);
return grub_errno;
}
if (grub_file_read (file, p.buf, p.len) != p.len)
{
grub_free (p.buf);
grub_file_close (file);
grub_free (p.theme_dir);
return grub_errno;
}
if (view->canvas)
view->canvas->component.ops->destroy (view->canvas);
view->canvas = grub_gui_canvas_new ();
((grub_gui_component_t) view->canvas)
->ops->set_bounds ((grub_gui_component_t) view->canvas,
&view->screen);
while (has_more (&p))
{
/* Skip comments (lines beginning with #). */
if (peek_char (&p) == '#')
{
advance_to_next_line (&p);
continue;
}
/* Find the first non-whitespace character. */
skip_whitespace (&p);
/* Handle the content. */
if (peek_char (&p) == '+')
{
/* Skip the '+'. */
read_char (&p);
read_object (&p, view->canvas);
}
else
{
read_property (&p);
}
if (grub_errno != GRUB_ERR_NONE)
goto fail;
}
/* Set the new theme path. */
grub_free (view->theme_path);
view->theme_path = grub_strdup (theme_path);
goto cleanup;
fail:
if (view->canvas)
{
view->canvas->component.ops->destroy (view->canvas);
view->canvas = 0;
}
cleanup:
grub_free (p.buf);
grub_file_close (file);
grub_free (p.theme_dir);
return grub_errno;
}

486
gfxmenu/view.c Normal file
View file

@ -0,0 +1,486 @@
/* view.c - Graphical menu interface MVC view. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/file.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/normal.h>
#include <grub/video.h>
#include <grub/gfxterm.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
#include <grub/term.h>
#include <grub/gfxwidgets.h>
#include <grub/time.h>
#include <grub/menu.h>
#include <grub/menu_viewer.h>
#include <grub/gfxmenu_view.h>
#include <grub/gui_string_util.h>
#include <grub/icon_manager.h>
/* The component ID identifying GUI components to be updated as the timeout
status changes. */
#define TIMEOUT_COMPONENT_ID "__timeout__"
static void
init_terminal (grub_gfxmenu_view_t view);
static grub_video_rect_t term_rect;
static grub_gfxmenu_view_t term_view;
/* Create a new view object, loading the theme specified by THEME_PATH and
associating MODEL with the view. */
grub_gfxmenu_view_t
grub_gfxmenu_view_new (const char *theme_path,
int width, int height)
{
grub_gfxmenu_view_t view;
grub_font_t default_font;
grub_gui_color_t default_fg_color;
grub_gui_color_t default_bg_color;
view = grub_malloc (sizeof (*view));
if (! view)
return 0;
view->screen.x = 0;
view->screen.y = 0;
view->screen.width = width;
view->screen.height = height;
default_font = grub_font_get ("Helvetica 12");
default_fg_color = grub_gui_color_rgb (0, 0, 0);
default_bg_color = grub_gui_color_rgb (255, 255, 255);
view->canvas = 0;
view->title_font = default_font;
view->message_font = default_font;
view->terminal_font_name = grub_strdup ("Fixed 10");
view->title_color = default_fg_color;
view->message_color = default_bg_color;
view->message_bg_color = default_fg_color;
view->desktop_image = 0;
view->desktop_color = default_bg_color;
view->terminal_box = grub_gfxmenu_create_box (0, 0);
view->title_text = grub_strdup ("GRUB Boot Menu");
view->progress_message_text = 0;
view->theme_path = 0;
/* Set the timeout bar's frame. */
view->progress_message_frame.width = view->screen.width * 4 / 5;
view->progress_message_frame.height = 50;
view->progress_message_frame.x = view->screen.x
+ (view->screen.width - view->progress_message_frame.width) / 2;
view->progress_message_frame.y = view->screen.y
+ view->screen.height - 90 - 20 - view->progress_message_frame.height;
if (grub_gfxmenu_view_load_theme (view, theme_path) != 0)
{
grub_gfxmenu_view_destroy (view);
return 0;
}
return view;
}
/* Destroy the view object. All used memory is freed. */
void
grub_gfxmenu_view_destroy (grub_gfxmenu_view_t view)
{
if (!view)
return;
grub_video_bitmap_destroy (view->desktop_image);
if (view->terminal_box)
view->terminal_box->destroy (view->terminal_box);
grub_free (view->terminal_font_name);
grub_free (view->title_text);
grub_free (view->progress_message_text);
grub_free (view->theme_path);
if (view->canvas)
view->canvas->component.ops->destroy (view->canvas);
grub_free (view);
}
static void
redraw_background (grub_gfxmenu_view_t view,
const grub_video_rect_t *bounds)
{
if (view->desktop_image)
{
struct grub_video_bitmap *img = view->desktop_image;
grub_video_blit_bitmap (img, GRUB_VIDEO_BLIT_REPLACE,
bounds->x, bounds->y,
bounds->x - view->screen.x,
bounds->y - view->screen.y,
bounds->width, bounds->height);
}
else
{
grub_video_fill_rect (grub_gui_map_color (view->desktop_color),
bounds->x, bounds->y,
bounds->width, bounds->height);
}
}
static void
draw_title (grub_gfxmenu_view_t view)
{
if (! view->title_text)
return;
/* Center the title. */
int title_width = grub_font_get_string_width (view->title_font,
view->title_text);
int x = (view->screen.width - title_width) / 2;
int y = 40 + grub_font_get_ascent (view->title_font);
grub_font_draw_string (view->title_text,
view->title_font,
grub_gui_map_color (view->title_color),
x, y);
}
struct progress_value_data
{
int visible;
int start;
int end;
int value;
};
static void
update_timeout_visit (grub_gui_component_t component,
void *userdata)
{
struct progress_value_data *pv;
pv = (struct progress_value_data *) userdata;
((struct grub_gui_progress *) component)->ops
->set_state ((struct grub_gui_progress *) component,
pv->visible, pv->start, pv->value, pv->end);
}
void
grub_gfxmenu_print_timeout (int timeout, void *data)
{
struct grub_gfxmenu_view *view = data;
struct progress_value_data pv;
auto void redraw_timeout_visit (grub_gui_component_t component,
void *userdata __attribute__ ((unused)));
auto void redraw_timeout_visit (grub_gui_component_t component,
void *userdata __attribute__ ((unused)))
{
grub_video_rect_t bounds;
component->ops->get_bounds (component, &bounds);
grub_gfxmenu_view_redraw (view, &bounds);
}
if (view->first_timeout == -1)
view->first_timeout = timeout;
pv.visible = 1;
pv.start = -(view->first_timeout + 1);
pv.end = 0;
pv.value = -timeout;
grub_gui_find_by_id ((grub_gui_component_t) view->canvas,
TIMEOUT_COMPONENT_ID, update_timeout_visit, &pv);
grub_gui_find_by_id ((grub_gui_component_t) view->canvas,
TIMEOUT_COMPONENT_ID, redraw_timeout_visit, &pv);
grub_video_swap_buffers ();
if (view->double_repaint)
grub_gui_find_by_id ((grub_gui_component_t) view->canvas,
TIMEOUT_COMPONENT_ID, redraw_timeout_visit, &pv);
}
void
grub_gfxmenu_clear_timeout (void *data)
{
struct progress_value_data pv;
struct grub_gfxmenu_view *view = data;
auto void redraw_timeout_visit (grub_gui_component_t component,
void *userdata __attribute__ ((unused)));
auto void redraw_timeout_visit (grub_gui_component_t component,
void *userdata __attribute__ ((unused)))
{
grub_video_rect_t bounds;
component->ops->get_bounds (component, &bounds);
grub_gfxmenu_view_redraw (view, &bounds);
}
pv.visible = 0;
pv.start = 1;
pv.end = 0;
pv.value = 0;
grub_gui_find_by_id ((grub_gui_component_t) view->canvas,
TIMEOUT_COMPONENT_ID, update_timeout_visit, &pv);
grub_gui_find_by_id ((grub_gui_component_t) view->canvas,
TIMEOUT_COMPONENT_ID, redraw_timeout_visit, &pv);
grub_video_swap_buffers ();
if (view->double_repaint)
grub_gui_find_by_id ((grub_gui_component_t) view->canvas,
TIMEOUT_COMPONENT_ID, redraw_timeout_visit, &pv);
}
static void
update_menu_visit (grub_gui_component_t component,
void *userdata)
{
grub_gfxmenu_view_t view;
view = userdata;
if (component->ops->is_instance (component, "list"))
{
grub_gui_list_t list = (grub_gui_list_t) component;
list->ops->set_view_info (list, view);
}
}
/* Update any boot menu components with the current menu model and
theme path. */
static void
update_menu_components (grub_gfxmenu_view_t view)
{
grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
update_menu_visit, view);
}
static void
draw_message (grub_gfxmenu_view_t view)
{
char *text = view->progress_message_text;
grub_video_rect_t f = view->progress_message_frame;
if (! text)
return;
grub_font_t font = view->message_font;
grub_video_color_t color = grub_gui_map_color (view->message_color);
/* Border. */
grub_video_fill_rect (color,
f.x-1, f.y-1, f.width+2, f.height+2);
/* Fill. */
grub_video_fill_rect (grub_gui_map_color (view->message_bg_color),
f.x, f.y, f.width, f.height);
/* Center the text. */
int text_width = grub_font_get_string_width (font, text);
int x = f.x + (f.width - text_width) / 2;
int y = (f.y + (f.height - grub_font_get_descent (font)) / 2
+ grub_font_get_ascent (font) / 2);
grub_font_draw_string (text, font, color, x, y);
}
void
grub_gfxmenu_view_redraw (grub_gfxmenu_view_t view,
const grub_video_rect_t *region)
{
if (grub_video_have_common_points (&term_rect, region))
grub_gfxterm_schedule_repaint ();
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
redraw_background (view, region);
if (view->canvas)
view->canvas->component.ops->paint (view->canvas, region);
draw_title (view);
if (grub_video_have_common_points (&view->progress_message_frame, region))
draw_message (view);
}
void
grub_gfxmenu_view_draw (grub_gfxmenu_view_t view)
{
init_terminal (view);
/* Clear the screen; there may be garbage left over in video memory. */
grub_video_fill_rect (grub_video_map_rgb (0, 0, 0),
view->screen.x, view->screen.y,
view->screen.width, view->screen.height);
grub_video_swap_buffers ();
if (view->double_repaint)
grub_video_fill_rect (grub_video_map_rgb (0, 0, 0),
view->screen.x, view->screen.y,
view->screen.width, view->screen.height);
update_menu_components (view);
grub_gfxmenu_view_redraw (view, &view->screen);
grub_video_swap_buffers ();
if (view->double_repaint)
grub_gfxmenu_view_redraw (view, &view->screen);
}
static void
redraw_menu_visit (grub_gui_component_t component,
void *userdata)
{
grub_gfxmenu_view_t view;
view = userdata;
if (component->ops->is_instance (component, "list"))
{
grub_gui_list_t list;
grub_video_rect_t bounds;
list = (grub_gui_list_t) component;
component->ops->get_bounds (component, &bounds);
grub_gfxmenu_view_redraw (view, &bounds);
}
}
void
grub_gfxmenu_redraw_menu (grub_gfxmenu_view_t view)
{
update_menu_components (view);
grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
redraw_menu_visit, view);
grub_video_swap_buffers ();
if (view->double_repaint)
{
grub_gui_iterate_recursively ((grub_gui_component_t) view->canvas,
redraw_menu_visit, view);
}
}
void
grub_gfxmenu_set_chosen_entry (int entry, void *data)
{
grub_gfxmenu_view_t view = data;
view->selected = entry;
grub_gfxmenu_redraw_menu (view);
}
static void
grub_gfxmenu_draw_terminal_box (void)
{
grub_gfxmenu_box_t term_box;
term_box = term_view->terminal_box;
if (!term_box)
return;
term_box->set_content_size (term_box, term_rect.width,
term_rect.height);
term_box->draw (term_box,
term_rect.x - term_box->get_left_pad (term_box),
term_rect.y - term_box->get_top_pad (term_box));
grub_video_swap_buffers ();
if (term_view->double_repaint)
term_box->draw (term_box,
term_rect.x - term_box->get_left_pad (term_box),
term_rect.y - term_box->get_top_pad (term_box));
}
static void
init_terminal (grub_gfxmenu_view_t view)
{
term_rect.width = view->screen.width * 7 / 10;
term_rect.height = view->screen.height * 7 / 10;
term_rect.x = view->screen.x + view->screen.width * (10 - 7) / 10 / 2;
term_rect.y = view->screen.y + view->screen.height * (10 - 7) / 10 / 2;
term_view = view;
/* Note: currently there is no API for changing the gfxterm font
on the fly, so whatever font the initially loaded theme specifies
will be permanent. */
grub_gfxterm_set_window (GRUB_VIDEO_RENDER_TARGET_DISPLAY, term_rect.x,
term_rect.y,
term_rect.width, term_rect.height,
view->double_repaint, view->terminal_font_name, 3);
grub_gfxterm_decorator_hook = grub_gfxmenu_draw_terminal_box;
}
/* FIXME: previously notifications were displayed in special case.
Is it necessary?
*/
#if 0
/* Sets MESSAGE as the progress message for the view.
MESSAGE can be 0, in which case no message is displayed. */
static void
set_progress_message (grub_gfxmenu_view_t view, const char *message)
{
grub_free (view->progress_message_text);
if (message)
view->progress_message_text = grub_strdup (message);
else
view->progress_message_text = 0;
}
static void
notify_booting (grub_menu_entry_t entry, void *userdata)
{
grub_gfxmenu_view_t view = (grub_gfxmenu_view_t) userdata;
char *s = grub_malloc (100 + grub_strlen (entry->title));
if (!s)
return;
grub_sprintf (s, "Booting '%s'", entry->title);
set_progress_message (view, s);
grub_free (s);
grub_gfxmenu_view_redraw (view, &view->progress_message_frame);
grub_video_swap_buffers ();
if (view->double_repaint)
grub_gfxmenu_view_redraw (view, &view->progress_message_frame);
}
static void
notify_fallback (grub_menu_entry_t entry, void *userdata)
{
grub_gfxmenu_view_t view = (grub_gfxmenu_view_t) userdata;
char *s = grub_malloc (100 + grub_strlen (entry->title));
if (!s)
return;
grub_sprintf (s, "Falling back to '%s'", entry->title);
set_progress_message (view, s);
grub_free (s);
grub_gfxmenu_view_redraw (view, &view->progress_message_frame);
grub_video_swap_buffers ();
if (view->double_repaint)
grub_gfxmenu_view_redraw (view, &view->progress_message_frame);
}
static void
notify_execution_failure (void *userdata __attribute__ ((unused)))
{
}
static struct grub_menu_execute_callback execute_callback =
{
.notify_booting = notify_booting,
.notify_fallback = notify_fallback,
.notify_failure = notify_execution_failure
};
#endif

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/* widget_box.c - Pixmap-stylized box widget. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/video.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
#include <grub/gfxwidgets.h>
enum box_pixmaps
{
BOX_PIXMAP_NW, BOX_PIXMAP_NE, BOX_PIXMAP_SE, BOX_PIXMAP_SW,
BOX_PIXMAP_N, BOX_PIXMAP_E, BOX_PIXMAP_S, BOX_PIXMAP_W,
BOX_PIXMAP_CENTER
};
static const char *box_pixmap_names[] = {
/* Corners: */
"nw", "ne", "se", "sw",
/* Sides: */
"n", "e", "s", "w",
/* Center: */
"c"
};
#define BOX_NUM_PIXMAPS (sizeof(box_pixmap_names)/sizeof(*box_pixmap_names))
static int
get_height (struct grub_video_bitmap *bitmap)
{
if (bitmap)
return grub_video_bitmap_get_height (bitmap);
else
return 0;
}
static int
get_width (struct grub_video_bitmap *bitmap)
{
if (bitmap)
return grub_video_bitmap_get_width (bitmap);
else
return 0;
}
static void
blit (grub_gfxmenu_box_t self, int pixmap_index, int x, int y)
{
struct grub_video_bitmap *bitmap;
bitmap = self->scaled_pixmaps[pixmap_index];
if (! bitmap)
return;
grub_video_blit_bitmap (bitmap, GRUB_VIDEO_BLIT_BLEND,
x, y, 0, 0,
grub_video_bitmap_get_width (bitmap),
grub_video_bitmap_get_height (bitmap));
}
static void
draw (grub_gfxmenu_box_t self, int x, int y)
{
int height_n;
int height_s;
int height_e;
int height_w;
int width_n;
int width_s;
int width_e;
int width_w;
height_n = get_height (self->scaled_pixmaps[BOX_PIXMAP_N]);
height_s = get_height (self->scaled_pixmaps[BOX_PIXMAP_S]);
height_e = get_height (self->scaled_pixmaps[BOX_PIXMAP_E]);
height_w = get_height (self->scaled_pixmaps[BOX_PIXMAP_W]);
width_n = get_width (self->scaled_pixmaps[BOX_PIXMAP_N]);
width_s = get_width (self->scaled_pixmaps[BOX_PIXMAP_S]);
width_e = get_width (self->scaled_pixmaps[BOX_PIXMAP_E]);
width_w = get_width (self->scaled_pixmaps[BOX_PIXMAP_W]);
/* Draw sides. */
blit (self, BOX_PIXMAP_N, x + width_w, y);
blit (self, BOX_PIXMAP_S, x + width_w, y + height_n + self->content_height);
blit (self, BOX_PIXMAP_E, x + width_w + self->content_width, y + height_n);
blit (self, BOX_PIXMAP_W, x, y + height_n);
/* Draw corners. */
blit (self, BOX_PIXMAP_NW, x, y);
blit (self, BOX_PIXMAP_NE, x + width_w + self->content_width, y);
blit (self, BOX_PIXMAP_SE,
x + width_w + self->content_width,
y + height_n + self->content_height);
blit (self, BOX_PIXMAP_SW, x, y + height_n + self->content_height);
/* Draw center. */
blit (self, BOX_PIXMAP_CENTER, x + width_w, y + height_n);
}
static grub_err_t
scale_pixmap (grub_gfxmenu_box_t self, int i, int w, int h)
{
struct grub_video_bitmap **scaled = &self->scaled_pixmaps[i];
struct grub_video_bitmap *raw = self->raw_pixmaps[i];
if (raw == 0)
return grub_errno;
if (w == -1)
w = grub_video_bitmap_get_width (raw);
if (h == -1)
h = grub_video_bitmap_get_height (raw);
if (*scaled == 0
|| ((int) grub_video_bitmap_get_width (*scaled) != w)
|| ((int) grub_video_bitmap_get_height (*scaled) != h))
{
if (*scaled)
{
grub_video_bitmap_destroy (*scaled);
*scaled = 0;
}
/* Don't try to create a bitmap with a zero dimension. */
if (w != 0 && h != 0)
grub_video_bitmap_create_scaled (scaled, w, h, raw,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
if (grub_errno != GRUB_ERR_NONE)
{
grub_error_push ();
grub_error (grub_errno,
"failed to scale bitmap for styled box pixmap #%d", i);
}
}
return grub_errno;
}
static void
set_content_size (grub_gfxmenu_box_t self,
int width, int height)
{
self->content_width = width;
self->content_height = height;
/* Resize sides to match the width and height. */
/* It is assumed that the corners width/height match the adjacent sides. */
/* Resize N and S sides to match width. */
if (scale_pixmap(self, BOX_PIXMAP_N, width, -1) != GRUB_ERR_NONE)
return;
if (scale_pixmap(self, BOX_PIXMAP_S, width, -1) != GRUB_ERR_NONE)
return;
/* Resize E and W sides to match height. */
if (scale_pixmap(self, BOX_PIXMAP_E, -1, height) != GRUB_ERR_NONE)
return;
if (scale_pixmap(self, BOX_PIXMAP_W, -1, height) != GRUB_ERR_NONE)
return;
/* Don't scale the corners--they are assumed to match the sides. */
if (scale_pixmap(self, BOX_PIXMAP_NW, -1, -1) != GRUB_ERR_NONE)
return;
if (scale_pixmap(self, BOX_PIXMAP_SW, -1, -1) != GRUB_ERR_NONE)
return;
if (scale_pixmap(self, BOX_PIXMAP_NE, -1, -1) != GRUB_ERR_NONE)
return;
if (scale_pixmap(self, BOX_PIXMAP_SE, -1, -1) != GRUB_ERR_NONE)
return;
/* Scale the center area. */
if (scale_pixmap(self, BOX_PIXMAP_CENTER, width, height) != GRUB_ERR_NONE)
return;
}
static int
get_left_pad (grub_gfxmenu_box_t self)
{
return get_width (self->raw_pixmaps[BOX_PIXMAP_W]);
}
static int
get_top_pad (grub_gfxmenu_box_t self)
{
return get_height (self->raw_pixmaps[BOX_PIXMAP_N]);
}
static int
get_right_pad (grub_gfxmenu_box_t self)
{
return get_width (self->raw_pixmaps[BOX_PIXMAP_E]);
}
static int
get_bottom_pad (grub_gfxmenu_box_t self)
{
return get_height (self->raw_pixmaps[BOX_PIXMAP_S]);
}
static void
destroy (grub_gfxmenu_box_t self)
{
unsigned i;
for (i = 0; i < BOX_NUM_PIXMAPS; i++)
{
if (self->raw_pixmaps[i])
grub_video_bitmap_destroy(self->raw_pixmaps[i]);
self->raw_pixmaps[i] = 0;
if (self->scaled_pixmaps[i])
grub_video_bitmap_destroy(self->scaled_pixmaps[i]);
self->scaled_pixmaps[i] = 0;
}
grub_free (self->raw_pixmaps);
self->raw_pixmaps = 0;
grub_free (self->scaled_pixmaps);
self->scaled_pixmaps = 0;
/* Free self: must be the last step! */
grub_free (self);
}
/* Create a new box. If PIXMAPS_PREFIX and PIXMAPS_SUFFIX are both non-null,
then an attempt is made to load the north, south, east, west, northwest,
northeast, southeast, southwest, and center pixmaps.
If either PIXMAPS_PREFIX or PIXMAPS_SUFFIX is 0, then no pixmaps are
loaded, and the box has zero-width borders and is drawn transparent. */
grub_gfxmenu_box_t
grub_gfxmenu_create_box (const char *pixmaps_prefix,
const char *pixmaps_suffix)
{
unsigned i;
grub_gfxmenu_box_t box;
box = (grub_gfxmenu_box_t) grub_malloc (sizeof (*box));
if (! box)
return 0;
box->content_width = 0;
box->content_height = 0;
box->raw_pixmaps =
(struct grub_video_bitmap **)
grub_malloc (BOX_NUM_PIXMAPS * sizeof (struct grub_video_bitmap *));
box->scaled_pixmaps =
(struct grub_video_bitmap **)
grub_malloc (BOX_NUM_PIXMAPS * sizeof (struct grub_video_bitmap *));
/* Initialize all pixmap pointers to NULL so that proper destruction can
be performed if an error is encountered partway through construction. */
for (i = 0; i < BOX_NUM_PIXMAPS; i++)
box->raw_pixmaps[i] = 0;
for (i = 0; i < BOX_NUM_PIXMAPS; i++)
box->scaled_pixmaps[i] = 0;
/* Load the pixmaps. */
for (i = 0; i < BOX_NUM_PIXMAPS; i++)
{
if (pixmaps_prefix && pixmaps_suffix)
{
char *path;
char *path_end;
path = grub_malloc (grub_strlen (pixmaps_prefix)
+ grub_strlen (box_pixmap_names[i])
+ grub_strlen (pixmaps_suffix)
+ 1);
if (! path)
goto fail_and_destroy;
/* Construct the specific path for this pixmap. */
path_end = grub_stpcpy (path, pixmaps_prefix);
path_end = grub_stpcpy (path_end, box_pixmap_names[i]);
path_end = grub_stpcpy (path_end, pixmaps_suffix);
grub_video_bitmap_load (&box->raw_pixmaps[i], path);
grub_free (path);
/* Ignore missing pixmaps. */
grub_errno = GRUB_ERR_NONE;
}
}
box->draw = draw;
box->set_content_size = set_content_size;
box->get_left_pad = get_left_pad;
box->get_top_pad = get_top_pad;
box->get_right_pad = get_right_pad;
box->get_bottom_pad = get_bottom_pad;
box->destroy = destroy;
return box;
fail_and_destroy:
destroy (box);
return 0;
}

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/* bitmap_scale.h - Bitmap scaling functions. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_BITMAP_SCALE_HEADER
#define GRUB_BITMAP_SCALE_HEADER 1
#include <grub/err.h>
#include <grub/types.h>
#include <grub/bitmap_scale.h>
enum grub_video_bitmap_scale_method
{
/* Choose the fastest interpolation algorithm. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_FASTEST,
/* Choose the highest quality interpolation algorithm. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST,
/* Specific algorithms: */
/* Nearest neighbor interpolation. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_NEAREST,
/* Bilinear interpolation. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_BILINEAR
};
grub_err_t
grub_video_bitmap_create_scaled (struct grub_video_bitmap **dst,
int dst_width, int dst_height,
struct grub_video_bitmap *src,
enum
grub_video_bitmap_scale_method scale_method);
#endif /* ! GRUB_BITMAP_SCALE_HEADER */

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/* gfxmenu_view.h - gfxmenu view interface. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_GFXMENU_VIEW_HEADER
#define GRUB_GFXMENU_VIEW_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
#include <grub/menu.h>
#include <grub/font.h>
#include <grub/gfxwidgets.h>
struct grub_gfxmenu_view; /* Forward declaration of opaque type. */
typedef struct grub_gfxmenu_view *grub_gfxmenu_view_t;
grub_gfxmenu_view_t grub_gfxmenu_view_new (const char *theme_path,
int width, int height);
void grub_gfxmenu_view_destroy (grub_gfxmenu_view_t view);
/* Set properties on the view based on settings from the specified
theme file. */
grub_err_t grub_gfxmenu_view_load_theme (grub_gfxmenu_view_t view,
const char *theme_path);
grub_err_t grub_gui_recreate_box (grub_gfxmenu_box_t *boxptr,
const char *pattern, const char *theme_dir);
void grub_gfxmenu_view_draw (grub_gfxmenu_view_t view);
void
grub_gfxmenu_redraw_menu (grub_gfxmenu_view_t view);
void
grub_gfxmenu_redraw_timeout (grub_gfxmenu_view_t view);
void
grub_gfxmenu_view_redraw (grub_gfxmenu_view_t view,
const grub_video_rect_t *region);
void
grub_gfxmenu_clear_timeout (void *data);
void
grub_gfxmenu_print_timeout (int timeout, void *data);
void
grub_gfxmenu_set_chosen_entry (int entry, void *data);
/* Implementation details -- this should not be used outside of the
view itself. */
#include <grub/video.h>
#include <grub/bitmap.h>
#include <grub/gui.h>
#include <grub/gfxwidgets.h>
#include <grub/icon_manager.h>
/* Definition of the private representation of the view. */
struct grub_gfxmenu_view
{
grub_video_rect_t screen;
grub_font_t title_font;
grub_font_t message_font;
char *terminal_font_name;
grub_gui_color_t title_color;
grub_gui_color_t message_color;
grub_gui_color_t message_bg_color;
struct grub_video_bitmap *desktop_image;
grub_gui_color_t desktop_color;
grub_gfxmenu_box_t terminal_box;
char *title_text;
char *progress_message_text;
char *theme_path;
grub_gui_container_t canvas;
int double_repaint;
int selected;
grub_video_rect_t progress_message_frame;
grub_menu_t menu;
int nested;
int first_timeout;
};
#endif /* ! GRUB_GFXMENU_VIEW_HEADER */

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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_GFXTERM_HEADER
#define GRUB_GFXTERM_HEADER 1
#include <grub/err.h>
#include <grub/types.h>
#include <grub/term.h>
#include <grub/video.h>
grub_err_t
grub_gfxterm_set_window (struct grub_video_render_target *target,
int x, int y, int width, int height,
int double_repaint,
const char *font_name, int border_width);
typedef void (*grub_gfxterm_repaint_callback_t)(int x, int y,
int width, int height);
void grub_gfxterm_set_repaint_callback (grub_gfxterm_repaint_callback_t func);
void grub_gfxterm_schedule_repaint (void);
grub_err_t grub_gfxterm_fullscreen (void);
extern void (*grub_gfxterm_decorator_hook) (void);
#endif /* ! GRUB_GFXTERM_HEADER */

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/* gfxwidgets.h - Widgets for the graphical menu (gfxmenu). */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_GFXWIDGETS_HEADER
#define GRUB_GFXWIDGETS_HEADER 1
#include <grub/video.h>
typedef struct grub_gfxmenu_box *grub_gfxmenu_box_t;
struct grub_gfxmenu_box
{
/* The size of the content. */
int content_width;
int content_height;
struct grub_video_bitmap **raw_pixmaps;
struct grub_video_bitmap **scaled_pixmaps;
void (*draw) (grub_gfxmenu_box_t self, int x, int y);
void (*set_content_size) (grub_gfxmenu_box_t self,
int width, int height);
int (*get_left_pad) (grub_gfxmenu_box_t self);
int (*get_top_pad) (grub_gfxmenu_box_t self);
int (*get_right_pad) (grub_gfxmenu_box_t self);
int (*get_bottom_pad) (grub_gfxmenu_box_t self);
void (*destroy) (grub_gfxmenu_box_t self);
};
grub_gfxmenu_box_t grub_gfxmenu_create_box (const char *pixmaps_prefix,
const char *pixmaps_suffix);
#endif /* ! GRUB_GFXWIDGETS_HEADER */

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/* gui.h - GUI components header file. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/err.h>
#include <grub/video.h>
#include <grub/bitmap.h>
#include <grub/gfxmenu_view.h>
#ifndef GRUB_GUI_H
#define GRUB_GUI_H 1
/* A representation of a color. Unlike grub_video_color_t, this
representation is independent of any video mode specifics. */
typedef struct grub_gui_color
{
grub_uint8_t red;
grub_uint8_t green;
grub_uint8_t blue;
grub_uint8_t alpha;
} grub_gui_color_t;
typedef struct grub_gui_component *grub_gui_component_t;
typedef struct grub_gui_container *grub_gui_container_t;
typedef struct grub_gui_list *grub_gui_list_t;
typedef void (*grub_gui_component_callback) (grub_gui_component_t component,
void *userdata);
/* Component interface. */
struct grub_gui_component_ops
{
void (*destroy) (void *self);
const char * (*get_id) (void *self);
int (*is_instance) (void *self, const char *type);
void (*paint) (void *self, const grub_video_rect_t *bounds);
void (*set_parent) (void *self, grub_gui_container_t parent);
grub_gui_container_t (*get_parent) (void *self);
void (*set_bounds) (void *self, const grub_video_rect_t *bounds);
void (*get_bounds) (void *self, grub_video_rect_t *bounds);
void (*get_minimal_size) (void *self, unsigned *width, unsigned *height);
grub_err_t (*set_property) (void *self, const char *name, const char *value);
void (*repaint) (void *self, int second_pass);
};
struct grub_gui_container_ops
{
void (*add) (void *self, grub_gui_component_t comp);
void (*remove) (void *self, grub_gui_component_t comp);
void (*iterate_children) (void *self,
grub_gui_component_callback cb, void *userdata);
};
struct grub_gui_list_ops
{
void (*set_view_info) (void *self,
grub_gfxmenu_view_t view);
};
struct grub_gui_progress_ops
{
void (*set_state) (void *self, int visible, int start, int current, int end);
};
typedef signed grub_fixed_signed_t;
#define GRUB_FIXED_1 0x10000
static inline signed
grub_fixed_sfs_divide (signed a, grub_fixed_signed_t b)
{
return (a * GRUB_FIXED_1) / b;
}
static inline grub_fixed_signed_t
grub_fixed_fsf_divide (grub_fixed_signed_t a, signed b)
{
return a / b;
}
static inline signed
grub_fixed_sfs_multiply (signed a, grub_fixed_signed_t b)
{
return (a * b) / GRUB_FIXED_1;
}
static inline signed
grub_fixed_to_signed (grub_fixed_signed_t in)
{
return in / GRUB_FIXED_1;
}
static inline grub_fixed_signed_t
grub_signed_to_fixed (signed in)
{
return in * GRUB_FIXED_1;
}
struct grub_gui_component
{
struct grub_gui_component_ops *ops;
signed x;
grub_fixed_signed_t xfrac;
signed y;
grub_fixed_signed_t yfrac;
signed w;
grub_fixed_signed_t wfrac;
signed h;
grub_fixed_signed_t hfrac;
};
struct grub_gui_progress
{
struct grub_gui_component component;
struct grub_gui_progress_ops *ops;
};
struct grub_gui_container
{
struct grub_gui_component component;
struct grub_gui_container_ops *ops;
};
struct grub_gui_list
{
struct grub_gui_component component;
struct grub_gui_list_ops *ops;
};
/* Interfaces to concrete component classes. */
grub_gui_container_t grub_gui_canvas_new (void);
grub_gui_container_t grub_gui_vbox_new (void);
grub_gui_container_t grub_gui_hbox_new (void);
grub_gui_component_t grub_gui_label_new (void);
grub_gui_component_t grub_gui_image_new (void);
grub_gui_component_t grub_gui_progress_bar_new (void);
grub_gui_component_t grub_gui_list_new (void);
grub_gui_component_t grub_gui_circular_progress_new (void);
/* Manipulation functions. */
/* Visit all components with the specified ID. */
void grub_gui_find_by_id (grub_gui_component_t root,
const char *id,
grub_gui_component_callback cb,
void *userdata);
/* Visit all components. */
void grub_gui_iterate_recursively (grub_gui_component_t root,
grub_gui_component_callback cb,
void *userdata);
/* Helper functions. */
static __inline void
grub_gui_save_viewport (grub_video_rect_t *r)
{
grub_video_get_viewport ((unsigned *) &r->x,
(unsigned *) &r->y,
(unsigned *) &r->width,
(unsigned *) &r->height);
}
static __inline void
grub_gui_restore_viewport (const grub_video_rect_t *r)
{
grub_video_set_viewport (r->x, r->y, r->width, r->height);
}
/* Set a new viewport relative the the current one, saving the current
viewport in OLD so it can be later restored. */
static __inline void
grub_gui_set_viewport (const grub_video_rect_t *r, grub_video_rect_t *old)
{
grub_gui_save_viewport (old);
grub_video_set_viewport (old->x + r->x,
old->y + r->y,
r->width,
r->height);
}
static __inline grub_gui_color_t
grub_gui_color_rgb (int r, int g, int b)
{
grub_gui_color_t c;
c.red = r;
c.green = g;
c.blue = b;
c.alpha = 255;
return c;
}
static __inline grub_video_color_t
grub_gui_map_color (grub_gui_color_t c)
{
return grub_video_map_rgba (c.red, c.green, c.blue, c.alpha);
}
static inline int
grub_video_have_common_points (const grub_video_rect_t *a,
const grub_video_rect_t *b)
{
if (!((a->x <= b->x && b->x <= a->x + a->width)
|| (b->x <= a->x && a->x <= b->x + b->width)))
return 0;
if (!((a->y <= b->y && b->y <= a->y + a->height)
|| (b->y <= a->y && a->y <= b->y + b->height)))
return 0;
return 1;
}
#endif /* ! GRUB_GUI_H */

37
include/grub/gui_string_util.h Normal file
View file

@ -0,0 +1,37 @@
/* gui_string_util.h - String utilities for the graphical menu interface. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_GUI_STRING_UTIL_HEADER
#define GRUB_GUI_STRING_UTIL_HEADER 1
#include <grub/types.h>
#include <grub/gui.h>
char *grub_new_substring (const char *buf,
grub_size_t start, grub_size_t end);
char *grub_resolve_relative_path (const char *base, const char *path);
char *grub_get_dirname (const char *file_path);
int grub_gui_get_named_color (const char *name, grub_gui_color_t *color);
grub_err_t grub_gui_parse_color (const char *s, grub_gui_color_t *color);
#endif /* GRUB_GUI_STRING_UTIL_HEADER */

41
include/grub/icon_manager.h Normal file
View file

@ -0,0 +1,41 @@
/* icon_manager.h - gfxmenu icon manager. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_ICON_MANAGER_HEADER
#define GRUB_ICON_MANAGER_HEADER 1
#include <grub/menu.h>
#include <grub/bitmap.h>
/* Forward declaration of opaque structure handle type. */
typedef struct grub_gfxmenu_icon_manager *grub_gfxmenu_icon_manager_t;
grub_gfxmenu_icon_manager_t grub_gfxmenu_icon_manager_new (void);
void grub_gfxmenu_icon_manager_destroy (grub_gfxmenu_icon_manager_t mgr);
void grub_gfxmenu_icon_manager_clear_cache (grub_gfxmenu_icon_manager_t mgr);
void grub_gfxmenu_icon_manager_set_theme_path (grub_gfxmenu_icon_manager_t mgr,
const char *path);
void grub_gfxmenu_icon_manager_set_icon_size (grub_gfxmenu_icon_manager_t mgr,
int width, int height);
struct grub_video_bitmap *
grub_gfxmenu_icon_manager_get_icon (grub_gfxmenu_icon_manager_t mgr,
grub_menu_entry_t entry);
#endif /* GRUB_ICON_MANAGER_HEADER */

2
include/grub/menu.h
View file

@ -83,7 +83,6 @@ typedef struct grub_menu_execute_callback
}
*grub_menu_execute_callback_t;
grub_menu_entry_t grub_menu_get_entry (grub_menu_t menu, int no);
int grub_menu_get_timeout (void);
void grub_menu_set_timeout (int timeout);
@ -93,5 +92,6 @@ void grub_menu_execute_with_fallback (grub_menu_t menu,
grub_menu_execute_callback_t callback,
void *callback_data);
void grub_menu_entry_run (grub_menu_entry_t entry);
int grub_menu_get_default_entry_index (grub_menu_t menu);
#endif /* GRUB_MENU_HEADER */

49
include/grub/misc.h
View file

@ -110,6 +110,12 @@ char *EXPORT_FUNC(grub_strstr) (const char *haystack, const char *needle);
int EXPORT_FUNC(grub_isspace) (int c);
int EXPORT_FUNC(grub_isprint) (int c);
static inline int
grub_iscntrl (int c)
{
return (c >= 0x00 && c <= 0x1F) || c == 0x7F;
}
static inline int
grub_isalpha (int c)
{
@ -128,6 +134,12 @@ grub_isdigit (int c)
return (c >= '0' && c <= '9');
}
static inline int
grub_isalnum (int c)
{
return grub_isalpha (c) || grub_isdigit (c);
}
static inline int
grub_tolower (int c)
{
@ -182,6 +194,43 @@ grub_strncasecmp (const char *s1, const char *s2, grub_size_t n)
unsigned long EXPORT_FUNC(grub_strtoul) (const char *str, char **end, int base);
unsigned long long EXPORT_FUNC(grub_strtoull) (const char *str, char **end, int base);
static inline long
grub_strtol (const char *str, char **end, int base)
{
int negative = 0;
unsigned long magnitude;
while (*str && grub_isspace (*str))
str++;
if (*str == '-')
{
negative = 1;
str++;
}
magnitude = grub_strtoull (str, end, base);
if (negative)
{
if (magnitude > (unsigned long) GRUB_LONG_MAX + 1)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "negative overflow");
return GRUB_LONG_MIN;
}
return -((long) magnitude);
}
else
{
if (magnitude > GRUB_LONG_MAX)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "positive overflow");
return GRUB_LONG_MAX;
}
return (long) magnitude;
}
}
char *EXPORT_FUNC(grub_strdup) (const char *s);
char *EXPORT_FUNC(grub_strndup) (const char *s, grub_size_t n);
void *EXPORT_FUNC(grub_memset) (void *s, int c, grub_size_t n);

44
include/grub/trig.h Normal file
View file

@ -0,0 +1,44 @@
/* trig.h - Trigonometric function support. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_TRIG_HEADER
#define GRUB_TRIG_HEADER 1
#define GRUB_TRIG_ANGLE_MAX 256
#define GRUB_TRIG_ANGLE_MASK 255
#define GRUB_TRIG_FRACTION_SCALE 16384
extern short grub_trig_sintab[];
extern short grub_trig_costab[];
static __inline int
grub_sin (int x)
{
x &= GRUB_TRIG_ANGLE_MASK;
return grub_trig_sintab[x];
}
static __inline int
grub_cos (int x)
{
x &= GRUB_TRIG_ANGLE_MASK;
return grub_trig_costab[x];
}
#endif /* ! GRUB_TRIG_HEADER */

16
include/grub/video.h
View file

@ -34,6 +34,10 @@ struct grub_video_render_target;
struct grub_video_bitmap;
/* Defines used to describe video mode or rendering target. */
/* If following is set render target contains currenly displayed image
after swapping buffers (otherwise it contains previously displayed image).
*/
#define GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP 0x00000080
#define GRUB_VIDEO_MODE_TYPE_PURE_TEXT 0x00000040
#define GRUB_VIDEO_MODE_TYPE_ALPHA 0x00000020
#define GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED 0x00000010
@ -48,6 +52,8 @@ struct grub_video_bitmap;
#define GRUB_VIDEO_MODE_TYPE_DEPTH_MASK 0x0000ff00
#define GRUB_VIDEO_MODE_TYPE_DEPTH_POS 8
/* The basic render target representing the whole display. This always
renders to the back buffer when double-buffering is in use. */
#define GRUB_VIDEO_RENDER_TARGET_DISPLAY \
((struct grub_video_render_target *) 0)
@ -151,6 +157,16 @@ struct grub_video_mode_info
grub_uint8_t fg_alpha;
};
/* A 2D rectangle type. */
struct grub_video_rect
{
unsigned x;
unsigned y;
unsigned width;
unsigned height;
};
typedef struct grub_video_rect grub_video_rect_t;
struct grub_video_palette_data
{
grub_uint8_t r; /* Red color value (0-255). */

11
include/grub/video_fb.h
View file

@ -115,4 +115,15 @@ grub_video_fb_get_active_render_target (struct grub_video_fbrender_target **targ
grub_err_t
grub_video_fb_set_active_render_target (struct grub_video_fbrender_target *target);
typedef grub_err_t
(*grub_video_fb_doublebuf_update_screen_t) (struct grub_video_fbrender_target *front,
struct grub_video_fbrender_target *back);
grub_err_t
grub_video_fb_doublebuf_blit_init (struct grub_video_fbrender_target **front,
struct grub_video_fbrender_target **back,
grub_video_fb_doublebuf_update_screen_t *update_screen,
struct grub_video_mode_info mode_info,
void *framebuf);
#endif /* ! GRUB_VIDEO_FB_HEADER */

3
include/grub/xnu.h
View file

@ -108,5 +108,8 @@ extern grub_uint32_t grub_xnu_heap_real_start;
extern grub_size_t grub_xnu_heap_size;
extern void *grub_xnu_heap_start;
extern struct grub_video_bitmap *grub_xnu_bitmap;
typedef enum {GRUB_XNU_BITMAP_CENTER, GRUB_XNU_BITMAP_STRETCH}
grub_xnu_bitmap_mode_t;
extern grub_xnu_bitmap_mode_t grub_xnu_bitmap_mode;
extern int grub_xnu_is_64bit;
#endif

4
kern/disk.c
View file

@ -449,7 +449,7 @@ grub_disk_read (grub_disk_t disk, grub_disk_addr_t sector,
grub_errno = GRUB_ERR_NONE;
num = ((size + real_offset + pos + GRUB_DISK_SECTOR_SIZE - 1)
num = ((size + real_offset + GRUB_DISK_SECTOR_SIZE - 1)
>> GRUB_DISK_SECTOR_BITS);
p = grub_realloc (tmp_buf, num << GRUB_DISK_SECTOR_BITS);
@ -466,7 +466,7 @@ grub_disk_read (grub_disk_t disk, grub_disk_addr_t sector,
goto finish;
}
grub_memcpy (buf, tmp_buf + pos + real_offset, size);
grub_memcpy (buf, tmp_buf + real_offset, size);
/* Call the read hook, if any. */
if (disk->read_hook)

4
kern/ieee1275/openfw.c
View file

@ -135,7 +135,7 @@ grub_devalias_iterate (int (*hook) (struct grub_ieee1275_devalias *alias))
/* Find the first property. */
aliasname[0] = '\0';
while (grub_ieee1275_next_property (aliases, aliasname, aliasname))
while (grub_ieee1275_next_property (aliases, aliasname, aliasname) > 0)
{
grub_ieee1275_phandle_t dev;
grub_ssize_t pathlen;
@ -374,7 +374,7 @@ grub_ieee1275_encode_devname (const char *path)
char *partition = grub_ieee1275_parse_args (path, GRUB_PARSE_PARTITION);
char *encoding;
if (partition)
if (partition && partition[0])
{
unsigned int partno = grub_strtoul (partition, 0, 0);

4
kern/misc.c
View file

@ -206,7 +206,6 @@ grub_vprintf (const char *fmt, va_list args)
int ret;
ret = grub_vsnprintf_real (0, 0, fmt, args);
grub_refresh ();
return ret;
}
@ -876,9 +875,6 @@ grub_vsnprintf_real (char *str, grub_size_t max_len, const char *fmt, va_list ar
if (str)
*str = '\0';
if (count && !str)
grub_refresh ();
return count;
}

2
kern/term.c
View file

@ -79,6 +79,8 @@ grub_getkey (void)
{
grub_term_input_t term;
grub_refresh ();
while (1)
{
FOR_ACTIVE_TERM_INPUTS(term)

51
loader/i386/pc/xnu.c
View file

@ -22,6 +22,7 @@
#include <grub/mm.h>
#include <grub/cpu/xnu.h>
#include <grub/video_fb.h>
#include <grub/bitmap_scale.h>
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a,b) (((a) > (b)) ? (a) : (b))
@ -34,9 +35,11 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
{
struct grub_video_mode_info mode_info;
int ret;
char *tmp, *modevar;
char *tmp;
const char *modevar;
void *framebuffer;
grub_err_t err;
struct grub_video_bitmap *bitmap = NULL;
modevar = grub_env_get ("gfxpayload");
/* Consider only graphical 32-bit deep modes. */
@ -49,8 +52,7 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
{
tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar);
if (! tmp)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"couldn't allocate temporary storag");
return grub_errno;
err = grub_video_set_mode (tmp,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT
| GRUB_VIDEO_MODE_TYPE_DEPTH_MASK,
@ -61,31 +63,46 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
if (err)
return err;
ret = grub_video_get_info (&mode_info);
if (ret)
return grub_error (GRUB_ERR_IO, "couldn't retrieve video parameters");
if (grub_xnu_bitmap)
{
if (grub_xnu_bitmap_mode == GRUB_XNU_BITMAP_STRETCH)
err = grub_video_bitmap_create_scaled (&bitmap,
mode_info.width,
mode_info.height,
grub_xnu_bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
else
bitmap = grub_xnu_bitmap;
}
if (bitmap)
{
int x, y;
x = mode_info.width - grub_xnu_bitmap->mode_info.width;
x = mode_info.width - bitmap->mode_info.width;
x /= 2;
y = mode_info.height - grub_xnu_bitmap->mode_info.height;
y = mode_info.height - bitmap->mode_info.height;
y /= 2;
err = grub_video_blit_bitmap (grub_xnu_bitmap,
err = grub_video_blit_bitmap (bitmap,
GRUB_VIDEO_BLIT_REPLACE,
x > 0 ? x : 0,
y > 0 ? y : 0,
x < 0 ? -x : 0,
y < 0 ? -y : 0,
min (grub_xnu_bitmap->mode_info.width,
min (bitmap->mode_info.width,
mode_info.width),
min (grub_xnu_bitmap->mode_info.height,
min (bitmap->mode_info.height,
mode_info.height));
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_xnu_bitmap = 0;
}
err = GRUB_ERR_NONE;
}
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
bitmap = 0;
}
ret = grub_video_get_info_and_fini (&mode_info, &framebuffer);
@ -98,8 +115,8 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
params->lfb_line_len = mode_info.pitch;
params->lfb_base = PTR_TO_UINT32 (framebuffer);
params->lfb_mode = grub_xnu_bitmap
? GRUB_XNU_VIDEO_SPLASH : GRUB_XNU_VIDEO_TEXT_IN_VIDEO;
params->lfb_mode = bitmap ? GRUB_XNU_VIDEO_SPLASH
: GRUB_XNU_VIDEO_TEXT_IN_VIDEO;
return GRUB_ERR_NONE;
}

38
loader/xnu.c
View file

@ -31,6 +31,7 @@
#include <grub/gzio.h>
#include <grub/command.h>
#include <grub/misc.h>
#include <grub/extcmd.h>
#include <grub/env.h>
#include <grub/i18n.h>
@ -1354,18 +1355,37 @@ grub_xnu_fill_devicetree (void)
}
struct grub_video_bitmap *grub_xnu_bitmap = 0;
grub_xnu_bitmap_mode_t grub_xnu_bitmap_mode;
/* Option array indices. */
#define XNU_SPLASH_CMD_ARGINDEX_MODE 0
static const struct grub_arg_option xnu_splash_cmd_options[] =
{
{"mode", 'm', 0, "Background image mode.", "stretch|normal",
ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
static grub_err_t
grub_cmd_xnu_splash (grub_command_t cmd __attribute__ ((unused)),
grub_cmd_xnu_splash (grub_extcmd_t cmd,
int argc, char *args[])
{
grub_err_t err;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
if (cmd->state[XNU_SPLASH_CMD_ARGINDEX_MODE].set &&
grub_strcmp (cmd->state[XNU_SPLASH_CMD_ARGINDEX_MODE].arg,
"stretch") == 0)
grub_xnu_bitmap_mode = GRUB_XNU_BITMAP_STRETCH;
else
grub_xnu_bitmap_mode = GRUB_XNU_BITMAP_CENTER;
err = grub_video_bitmap_load (&grub_xnu_bitmap, args[0]);
if (err)
grub_xnu_bitmap = 0;
return err;
}
@ -1399,7 +1419,8 @@ grub_xnu_unlock ()
}
static grub_command_t cmd_kernel64, cmd_kernel, cmd_mkext, cmd_kext;
static grub_command_t cmd_kextdir, cmd_ramdisk, cmd_resume, cmd_splash;
static grub_command_t cmd_kextdir, cmd_ramdisk, cmd_resume;
static grub_extcmd_t cmd_splash;
GRUB_MOD_INIT(xnu)
{
@ -1415,10 +1436,13 @@ GRUB_MOD_INIT(xnu)
N_("DIRECTORY [OSBundleRequired]"),
N_("Load XNU extension directory."));
cmd_ramdisk = grub_register_command ("xnu_ramdisk", grub_cmd_xnu_ramdisk, 0,
N_("Load XNU ramdisk. "
"It will be seen as md0."));
cmd_splash = grub_register_command ("xnu_splash", grub_cmd_xnu_splash, 0,
N_("Load a splash image for XNU."));
"Load XNU ramdisk. "
"It will be seen as md0.");
cmd_splash = grub_register_extcmd ("xnu_splash",
grub_cmd_xnu_splash,
GRUB_COMMAND_FLAG_BOTH, 0,
N_("Load a splash image for XNU."),
xnu_splash_cmd_options);
#ifndef GRUB_UTIL
cmd_resume = grub_register_command ("xnu_resume", grub_cmd_xnu_resume,
@ -1440,8 +1464,8 @@ GRUB_MOD_FINI(xnu)
grub_unregister_command (cmd_kextdir);
grub_unregister_command (cmd_ramdisk);
grub_unregister_command (cmd_kernel);
grub_unregister_extcmd (cmd_splash);
grub_unregister_command (cmd_kernel64);
grub_unregister_command (cmd_splash);
grub_cpu_xnu_fini ();
}

3
normal/cmdline.c
View file

@ -384,6 +384,8 @@ grub_cmdline_get (const char *prompt)
if (hist_used == 0)
grub_history_add (buf, llen);
grub_refresh ();
while ((key = GRUB_TERM_ASCII_CHAR (grub_getkey ())) != '\n' && key != '\r')
{
switch (key)
@ -607,6 +609,7 @@ grub_cmdline_get (const char *prompt)
}
break;
}
grub_refresh ();
}

2
normal/menu.c
View file

@ -362,6 +362,8 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
if (timeout > 0)
menu_print_timeout (timeout);
else
clear_timeout ();
while (1)
{

484
term/gfxterm.c
View file

@ -24,8 +24,11 @@
#include <grub/mm.h>
#include <grub/env.h>
#include <grub/video.h>
#include <grub/gfxterm.h>
#include <grub/bitmap.h>
#include <grub/command.h>
#include <grub/extcmd.h>
#include <grub/bitmap_scale.h>
#define DEFAULT_VIDEO_MODE "auto"
#define DEFAULT_BORDER_WIDTH 10
@ -100,11 +103,28 @@ struct grub_virtual_screen
/* Text buffer for virtual screen. Contains (columns * rows) number
of entries. */
struct grub_colored_char *text_buffer;
int total_scroll;
};
static struct grub_virtual_screen virtual_screen;
struct grub_gfxterm_window
{
unsigned x;
unsigned y;
unsigned width;
unsigned height;
int double_repaint;
};
static struct grub_video_mode_info mode_info;
static struct grub_video_render_target *render_target;
void (*grub_gfxterm_decorator_hook) (void) = NULL;
static struct grub_gfxterm_window window;
static struct grub_virtual_screen virtual_screen;
static grub_gfxterm_repaint_callback_t repaint_callback;
static int repaint_schedulded = 0;
static int repaint_was_schedulded = 0;
static void destroy_window (void);
static struct grub_video_render_target *text_layer;
@ -125,6 +145,8 @@ static unsigned int calculate_normal_character_width (grub_font_t font);
static unsigned char calculate_character_width (struct grub_font_glyph *glyph);
static void grub_gfxterm_refresh (void);
static void
set_term_color (grub_uint8_t term_color)
{
@ -202,6 +224,7 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
virtual_screen.cursor_x = 0;
virtual_screen.cursor_y = 0;
virtual_screen.cursor_state = 1;
virtual_screen.total_scroll = 0;
/* Calculate size of text buffer. */
virtual_screen.columns = virtual_screen.width / virtual_screen.normal_char_width;
@ -236,7 +259,7 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
set_term_color (virtual_screen.term_color);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_set_active_render_target (render_target);
virtual_screen.bg_color_display = grub_video_map_rgba(0, 0, 0, 0);
@ -247,21 +270,95 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
return grub_errno;
}
void
grub_gfxterm_schedule_repaint (void)
{
repaint_schedulded = 1;
}
grub_err_t
grub_gfxterm_set_window (struct grub_video_render_target *target,
int x, int y, int width, int height,
int double_repaint,
const char *font_name, int border_width)
{
/* Clean up any prior instance. */
destroy_window ();
/* Set the render target. */
render_target = target;
/* Create virtual screen. */
if (grub_virtual_screen_setup (border_width, border_width,
width - 2 * border_width,
height - 2 * border_width,
font_name)
!= GRUB_ERR_NONE)
{
return grub_errno;
}
/* Set window bounds. */
window.x = x;
window.y = y;
window.width = width;
window.height = height;
window.double_repaint = double_repaint;
dirty_region_reset ();
grub_gfxterm_schedule_repaint ();
return grub_errno;
}
grub_err_t
grub_gfxterm_fullscreen (void)
{
const char *font_name;
struct grub_video_mode_info mode_info;
grub_video_color_t color;
grub_err_t err;
int double_redraw;
err = grub_video_get_info (&mode_info);
/* Figure out what mode we ended up. */
if (err)
return err;
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
double_redraw = mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
/* Make sure screen is black. */
color = grub_video_map_rgb (0, 0, 0);
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
if (double_redraw)
{
grub_video_swap_buffers ();
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
}
bitmap = 0;
/* Select the font to use. */
font_name = grub_env_get ("gfxterm_font");
if (! font_name)
font_name = ""; /* Allow fallback to any font. */
grub_gfxterm_decorator_hook = NULL;
return grub_gfxterm_set_window (GRUB_VIDEO_RENDER_TARGET_DISPLAY,
0, 0, mode_info.width, mode_info.height,
double_redraw,
font_name, DEFAULT_BORDER_WIDTH);
}
static grub_err_t
grub_gfxterm_init (void)
{
char *font_name;
char *modevar;
char *tmp;
grub_video_color_t color;
int width;
int height;
grub_err_t err;
/* Select the font to use. */
font_name = grub_env_get ("gfxterm_font");
if (! font_name)
font_name = ""; /* Allow fallback to any font. */
const char *modevar;
/* Parse gfxmode environment variable if set. */
modevar = grub_env_get ("gfxmode");
@ -280,37 +377,15 @@ grub_gfxterm_init (void)
if (err)
return err;
err = grub_video_get_info (&mode_info);
/* Figure out what mode we ended up. */
err = grub_gfxterm_fullscreen ();
if (err)
return err;
grub_video_restore ();
/* Make sure screen is black. */
color = grub_video_map_rgb (0, 0, 0);
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
bitmap = 0;
/* Leave borders for virtual screen. */
width = mode_info.width - (2 * DEFAULT_BORDER_WIDTH);
height = mode_info.height - (2 * DEFAULT_BORDER_WIDTH);
/* Create virtual screen. */
if (grub_virtual_screen_setup (DEFAULT_BORDER_WIDTH, DEFAULT_BORDER_WIDTH,
width, height, font_name) != GRUB_ERR_NONE)
{
grub_video_restore ();
return grub_errno;
}
/* Mark whole screen as dirty. */
dirty_region_reset ();
dirty_region_add (0, 0, mode_info.width, mode_info.height);
return (grub_errno = GRUB_ERR_NONE);
return err;
}
static grub_err_t
grub_gfxterm_fini (void)
static void
destroy_window (void)
{
if (bitmap)
{
@ -318,10 +393,18 @@ grub_gfxterm_fini (void)
bitmap = 0;
}
repaint_callback = 0;
grub_virtual_screen_free ();
}
static grub_err_t
grub_gfxterm_fini (void)
{
destroy_window ();
grub_video_restore ();
/* Clear error state. */
grub_errno = GRUB_ERR_NONE;
return GRUB_ERR_NONE;
}
@ -330,9 +413,15 @@ redraw_screen_rect (unsigned int x, unsigned int y,
unsigned int width, unsigned int height)
{
grub_video_color_t color;
grub_video_rect_t saved_view;
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_set_active_render_target (render_target);
/* Save viewport and set it to our window. */
grub_video_get_viewport ((unsigned *) &saved_view.x,
(unsigned *) &saved_view.y,
(unsigned *) &saved_view.width,
(unsigned *) &saved_view.height);
grub_video_set_viewport (window.x, window.y, window.width, window.height);
if (bitmap)
{
@ -399,6 +488,14 @@ redraw_screen_rect (unsigned int x, unsigned int y,
y - virtual_screen.offset_y,
width, height);
}
/* Restore saved viewport. */
grub_video_set_viewport (saved_view.x, saved_view.y,
saved_view.width, saved_view.height);
grub_video_set_active_render_target (render_target);
if (repaint_callback)
repaint_callback (x, y, width, height);
}
static void
@ -408,6 +505,7 @@ dirty_region_reset (void)
dirty_region.top_left_y = -1;
dirty_region.bottom_right_x = -1;
dirty_region.bottom_right_y = -1;
repaint_was_schedulded = 0;
}
static int
@ -427,6 +525,16 @@ dirty_region_add (int x, int y, unsigned int width, unsigned int height)
if ((width == 0) || (height == 0))
return;
if (repaint_schedulded)
{
x = virtual_screen.offset_x;
y = virtual_screen.offset_y;
width = virtual_screen.width;
height = virtual_screen.height;
repaint_schedulded = 0;
repaint_was_schedulded = 1;
}
if (dirty_region_is_empty ())
{
dirty_region.top_left_x = x;
@ -473,13 +581,14 @@ dirty_region_redraw (void)
width = dirty_region.bottom_right_x - x + 1;
height = dirty_region.bottom_right_y - y + 1;
redraw_screen_rect (x, y, width, height);
if (repaint_was_schedulded && grub_gfxterm_decorator_hook)
grub_gfxterm_decorator_hook ();
dirty_region_reset ();
redraw_screen_rect (x, y, width, height);
}
static void
write_char (void)
static inline void
paint_char (unsigned cx, unsigned cy)
{
struct grub_colored_char *p;
struct grub_font_glyph *glyph;
@ -491,10 +600,12 @@ write_char (void)
unsigned int height;
unsigned int width;
if (cy + virtual_screen.total_scroll >= virtual_screen.rows)
return;
/* Find out active character. */
p = (virtual_screen.text_buffer
+ virtual_screen.cursor_x
+ (virtual_screen.cursor_y * virtual_screen.columns));
+ cx + (cy * virtual_screen.columns));
p -= p->index;
@ -508,68 +619,163 @@ write_char (void)
color = p->fg_color;
bgcolor = p->bg_color;
x = virtual_screen.cursor_x * virtual_screen.normal_char_width;
y = virtual_screen.cursor_y * virtual_screen.normal_char_height;
x = cx * virtual_screen.normal_char_width;
y = (cy + virtual_screen.total_scroll) * virtual_screen.normal_char_height;
/* Render glyph to text layer. */
grub_video_set_active_render_target (text_layer);
grub_video_fill_rect (bgcolor, x, y, width, height);
grub_font_draw_glyph (glyph, color, x, y + ascent);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_set_active_render_target (render_target);
/* Mark character to be drawn. */
dirty_region_add (virtual_screen.offset_x + x, virtual_screen.offset_y + y,
width, height);
}
static void
static inline void
write_char (void)
{
paint_char (virtual_screen.cursor_x, virtual_screen.cursor_y);
}
static inline void
draw_cursor (int show)
{
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
grub_video_color_t color;
write_char ();
if (show)
if (!show)
return;
if (virtual_screen.cursor_y + virtual_screen.total_scroll
>= virtual_screen.rows)
return;
/* Determine cursor properties and position on text layer. */
x = virtual_screen.cursor_x * virtual_screen.normal_char_width;
width = virtual_screen.normal_char_width;
color = virtual_screen.fg_color;
y = ((virtual_screen.cursor_y + virtual_screen.total_scroll)
* virtual_screen.normal_char_height
+ grub_font_get_ascent (virtual_screen.font));
height = 2;
/* Render cursor to text layer. */
grub_video_set_active_render_target (text_layer);
grub_video_fill_rect (color, x, y, width, height);
grub_video_set_active_render_target (render_target);
/* Mark cursor to be redrawn. */
dirty_region_add (virtual_screen.offset_x + x,
virtual_screen.offset_y + y,
width, height);
}
static void
real_scroll (void)
{
unsigned int i, j, was_scroll;
grub_video_color_t color;
if (!virtual_screen.total_scroll)
return;
/* If we have bitmap, re-draw screen, otherwise scroll physical screen too. */
if (bitmap)
{
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
grub_video_color_t color;
/* Determine cursor properties and position on text layer. */
x = virtual_screen.cursor_x * virtual_screen.normal_char_width;
width = virtual_screen.normal_char_width;
color = virtual_screen.fg_color;
y = (virtual_screen.cursor_y * virtual_screen.normal_char_height
+ grub_font_get_ascent (virtual_screen.font));
height = 2;
/* Render cursor to text layer. */
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
grub_video_fill_rect (color, x, y, width, height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height
* virtual_screen.total_scroll);
/* Mark cursor to be redrawn. */
dirty_region_add (virtual_screen.offset_x + x,
virtual_screen.offset_y + y,
width, height);
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
}
else
{
grub_video_rect_t saved_view;
/* Remove cursor. */
draw_cursor (0);
grub_video_set_active_render_target (render_target);
/* Save viewport and set it to our window. */
grub_video_get_viewport ((unsigned *) &saved_view.x,
(unsigned *) &saved_view.y,
(unsigned *) &saved_view.width,
(unsigned *) &saved_view.height);
grub_video_set_viewport (window.x, window.y, window.width, window.height);
i = window.double_repaint ? 2 : 1;
color = virtual_screen.bg_color;
while (i--)
{
/* Clear new border area. */
grub_video_fill_rect (color,
virtual_screen.offset_x,
virtual_screen.offset_y,
virtual_screen.width,
virtual_screen.normal_char_height
* virtual_screen.total_scroll);
grub_video_set_active_render_target (render_target);
dirty_region_redraw ();
/* Scroll physical screen. */
grub_video_scroll (color, 0, -virtual_screen.normal_char_height
* virtual_screen.total_scroll);
if (i)
grub_video_swap_buffers ();
}
dirty_region_reset ();
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height
* virtual_screen.total_scroll);
/* Restore saved viewport. */
grub_video_set_viewport (saved_view.x, saved_view.y,
saved_view.width, saved_view.height);
grub_video_set_active_render_target (render_target);
}
was_scroll = virtual_screen.total_scroll;
virtual_screen.total_scroll = 0;
if (was_scroll > virtual_screen.rows)
was_scroll = virtual_screen.rows;
/* Draw shadow part. */
for (i = virtual_screen.rows - was_scroll;
i < virtual_screen.rows; i++)
for (j = 0; j < virtual_screen.columns; j++)
paint_char (j, i);
/* Draw cursor if visible. */
if (virtual_screen.cursor_state)
draw_cursor (1);
if (repaint_callback)
repaint_callback (window.x, window.y, window.width, window.height);
}
static void
scroll_up (void)
{
unsigned int i;
grub_video_color_t color;
/* If we don't have background bitmap, remove cursor. */
if (!bitmap)
{
/* Remove cursor. */
draw_cursor (0);
/* Redraw only changed regions. */
dirty_region_redraw ();
}
/* Scroll text buffer with one line to up. */
grub_memmove (virtual_screen.text_buffer,
@ -584,32 +790,7 @@ scroll_up (void)
i++)
clear_char (&(virtual_screen.text_buffer[i]));
/* Scroll physical screen. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
/* If we have bitmap, re-draw screen, otherwise scroll physical screen too. */
if (bitmap)
{
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
}
else
{
/* Clear new border area. */
grub_video_fill_rect (color,
virtual_screen.offset_x, virtual_screen.offset_y,
virtual_screen.width, virtual_screen.normal_char_height);
/* Scroll physical screen. */
grub_video_scroll (color, 0, -virtual_screen.normal_char_height);
/* Draw cursor if visible. */
if (virtual_screen.cursor_state)
draw_cursor (1);
}
virtual_screen.total_scroll++;
}
static void
@ -812,12 +993,14 @@ grub_gfxterm_cls (void)
/* Clear text layer. */
grub_video_set_active_render_target (text_layer);
color = virtual_screen.bg_color;
grub_video_fill_rect (color, 0, 0, virtual_screen.width,
virtual_screen.height);
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_fill_rect (color, 0, 0,
virtual_screen.width, virtual_screen.height);
grub_video_set_active_render_target (render_target);
/* Mark virtual screen to be redrawn. */
dirty_region_add_virtualscreen ();
grub_gfxterm_refresh ();
}
static void
@ -878,15 +1061,41 @@ grub_gfxterm_setcursor (int on)
static void
grub_gfxterm_refresh (void)
{
real_scroll ();
/* Redraw only changed regions. */
dirty_region_redraw ();
grub_video_swap_buffers ();
if (window.double_repaint)
dirty_region_redraw ();
dirty_region_reset ();
}
void
grub_gfxterm_set_repaint_callback (grub_gfxterm_repaint_callback_t func)
{
repaint_callback = func;
}
/* Option array indices. */
#define BACKGROUND_CMD_ARGINDEX_MODE 0
static const struct grub_arg_option background_image_cmd_options[] =
{
{"mode", 'm', 0, "Background image mode.", "stretch|normal",
ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
static grub_err_t
grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
grub_gfxterm_background_image_cmd (grub_extcmd_t cmd __attribute__ ((unused)),
int argc,
char **args)
{
struct grub_arg_list *state = cmd->state;
/* Check that we have video adapter active. */
if (grub_video_get_info(NULL) != GRUB_ERR_NONE)
return grub_errno;
@ -898,8 +1107,7 @@ grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
bitmap = 0;
/* Mark whole screen as dirty. */
dirty_region_reset ();
dirty_region_add (0, 0, mode_info.width, mode_info.height);
dirty_region_add (0, 0, window.width, window.height);
}
/* If filename was provided, try to load that. */
@ -910,16 +1118,38 @@ grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
if (grub_errno != GRUB_ERR_NONE)
return grub_errno;
/* Determine if the bitmap should be scaled to fit the screen. */
if (!state[BACKGROUND_CMD_ARGINDEX_MODE].set
|| grub_strcmp (state[BACKGROUND_CMD_ARGINDEX_MODE].arg,
"stretch") == 0)
{
if (window.width != grub_video_bitmap_get_width (bitmap)
|| window.height != grub_video_bitmap_get_height (bitmap))
{
struct grub_video_bitmap *scaled_bitmap;
grub_video_bitmap_create_scaled (&scaled_bitmap,
window.width,
window.height,
bitmap,
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST);
if (grub_errno == GRUB_ERR_NONE)
{
/* Replace the original bitmap with the scaled one. */
grub_video_bitmap_destroy (bitmap);
bitmap = scaled_bitmap;
}
}
}
/* If bitmap was loaded correctly, display it. */
if (bitmap)
{
/* Determine bitmap dimensions. */
bitmap_width = grub_video_bitmap_get_width (bitmap);
bitmap_height = grub_video_bitmap_get_width (bitmap);
bitmap_height = grub_video_bitmap_get_height (bitmap);
/* Mark whole screen as dirty. */
dirty_region_reset ();
dirty_region_add (0, 0, mode_info.width, mode_info.height);
dirty_region_add (0, 0, window.width, window.height);
}
}
@ -948,18 +1178,22 @@ static struct grub_term_output grub_video_term =
.next = 0
};
static grub_command_t cmd;
static grub_extcmd_t background_image_cmd_handle;
GRUB_MOD_INIT(term_gfxterm)
{
grub_term_register_output ("gfxterm", &grub_video_term);
cmd = grub_register_command ("background_image",
grub_gfxterm_background_image_cmd,
0, "Load background image for active terminal.");
background_image_cmd_handle =
grub_register_extcmd ("background_image",
grub_gfxterm_background_image_cmd,
GRUB_COMMAND_FLAG_BOTH,
"[-m (stretch|normal)] FILE",
"Load background image for active terminal.",
background_image_cmd_options);
}
GRUB_MOD_FINI(term_gfxterm)
{
grub_unregister_command (cmd);
grub_unregister_extcmd (background_image_cmd_handle);
grub_term_unregister_output (&grub_video_term);
}

1
util/grub-mkconfig.in
View file

@ -220,6 +220,7 @@ export GRUB_DEFAULT \
GRUB_DISABLE_LINUX_UUID \
GRUB_DISABLE_LINUX_RECOVERY \
GRUB_GFXMODE \
GRUB_THEME \
GRUB_DISABLE_OS_PROBER
if test "x${grub_cfg}" != "x"; then

12
util/grub.d/00_header.in
View file

@ -103,6 +103,18 @@ if loadfont `make_system_path_relative_to_its_root ${GRUB_FONT_PATH}` ; then
# understand terminal_output
terminal gfxterm
fi
EOF
if [ x$GRUB_THEME != x ] && [ -f $GRUB_THEME ] \
&& is_path_readable_by_grub $GRUB_THEME; then
echo "Found theme: $GRUB_THEME" >&2
prepare_grub_to_access_device `${grub_probe} --target=device $GRUB_THEME` | sed -e "s/^/ /"
cat << EOF
insmod gfxmenu
set theme=(\$root)`make_system_path_relative_to_its_root $GRUB_THEME`
set menuviewer=gfxmenu
EOF
fi
cat << EOF
fi
EOF
;;

5
util/grub.d/10_hurd.in
View file

@ -21,10 +21,13 @@ exec_prefix=@exec_prefix@
libdir=@libdir@
. ${libdir}/grub/grub-mkconfig_lib
CLASS="--class gnu --class os"
if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
OS=GNU
else
OS="${GRUB_DISTRIBUTOR} GNU/Hurd"
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]') ${CLASS}"
fi
at_least_one=false
@ -69,7 +72,7 @@ if ${all_of_them} && test -e /lib/ld.so.1 ; then : ; else
fi
cat << EOF
menuentry "${OS}" {
menuentry "${OS}" ${CLASS} {
EOF
prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/"
cat << EOF

16
util/grub.d/10_kfreebsd.in
View file

@ -23,11 +23,19 @@ libdir=@libdir@
. ${libdir}/grub/grub-mkconfig_lib
export TEXTDOMAIN=@PACKAGE@
export TEXTDOMAINDIR=@localedir@
export TEXTDOMAINDIR=@LOCALEDIR@
CLASS="--class os"
case "${GRUB_DISTRIBUTOR}" in
Debian) OS="${GRUB_DISTRIBUTOR} GNU/kFreeBSD" ;;
*) OS="FreeBSD" ;;
Debian)
OS="${GRUB_DISTRIBUTOR} GNU/kFreeBSD"
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]') --class gnu-kfreebsd --class gnu ${CLASS}"
;;
*)
OS="FreeBSD"
CLASS="--class freebsd --class bsd ${CLASS}"
;;
esac
kfreebsd_entry ()
@ -37,7 +45,7 @@ kfreebsd_entry ()
recovery="$3" # not used yet
args="$4" # not used yet
title="$(gettext "%s, with kFreeBSD %s")"
printf "menuentry \"${title}\" {\n" "${os}" "${version}"
printf "menuentry \"${title}\" ${CLASS} {\n" "${os}" "${version}"
save_default_entry | sed -e "s/^/\t/"
if [ -z "${prepare_boot_cache}" ]; then
prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"

7
util/grub.d/10_linux.in
View file

@ -23,12 +23,15 @@ libdir=@libdir@
. ${libdir}/grub/grub-mkconfig_lib
export TEXTDOMAIN=@PACKAGE@
export TEXTDOMAINDIR=@localedir@
export TEXTDOMAINDIR=@LOCALEDIR@
CLASS="--class gnu-linux --class gnu --class os"
if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
OS=GNU/Linux
else
OS="${GRUB_DISTRIBUTOR} GNU/Linux"
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]') ${CLASS}"
fi
# loop-AES arranges things so that /dev/loop/X can be our root device, but
@ -57,7 +60,7 @@ linux_entry ()
else
title="$(gettext "%s, with Linux %s")"
fi
printf "menuentry \"${title}\" {\n" "${os}" "${version}"
printf "menuentry \"${title}\" ${CLASS} {\n" "${os}" "${version}"
save_default_entry | sed -e "s/^/\t/"
# Use ELILO's generic "efifb" when it's known to be available.

37
util/hostdisk.c
View file

@ -339,7 +339,8 @@ open_device (const grub_disk_t disk, grub_disk_addr_t sector, int flags)
part_start = grub_partition_get_start (disk->partition);
strcpy (dev, map[disk->id].device);
if (disk->partition && strncmp (map[disk->id].device, "/dev/", 5) == 0)
if (disk->partition && sector >= part_start
&& strncmp (map[disk->id].device, "/dev/", 5) == 0)
is_partition = linux_find_partition (dev, part_start);
/* Open the partition. */
@ -493,6 +494,23 @@ grub_util_biosdisk_read (grub_disk_t disk, grub_disk_addr_t sector,
{
int fd;
/* Split pre-partition and partition reads. */
if (disk->partition && sector < disk->partition->start
&& sector + size > disk->partition->start)
{
grub_err_t err;
err = grub_util_biosdisk_read (disk, sector,
disk->partition->start - sector,
buf);
if (err)
return err;
return grub_util_biosdisk_read (disk, disk->partition->start,
size - (disk->partition->start - sector),
buf + ((disk->partition->start - sector)
<< GRUB_DISK_SECTOR_BITS));
}
fd = open_device (disk, sector, O_RDONLY);
if (fd < 0)
return grub_errno;
@ -530,6 +548,23 @@ grub_util_biosdisk_write (grub_disk_t disk, grub_disk_addr_t sector,
{
int fd;
/* Split pre-partition and partition writes. */
if (disk->partition && sector < disk->partition->start
&& sector + size > disk->partition->start)
{
grub_err_t err;
err = grub_util_biosdisk_write (disk, sector,
disk->partition->start - sector,
buf);
if (err)
return err;
return grub_util_biosdisk_write (disk, disk->partition->start,
size - (disk->partition->start - sector),
buf + ((disk->partition->start - sector)
<< GRUB_DISK_SECTOR_BITS));
}
fd = open_device (disk, sector, O_WRONLY);
if (fd < 0)
return grub_errno;

263
util/sdl.c Normal file
View file

@ -0,0 +1,263 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005,2006,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#define grub_video_render_target grub_video_fbrender_target
#include <grub/err.h>
#include <grub/types.h>
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/video.h>
#include <grub/video_fb.h>
#include <SDL/SDL.h>
static SDL_Surface *window = 0;
static struct grub_video_render_target *sdl_render_target;
static struct grub_video_mode_info mode_info;
static grub_err_t
grub_video_sdl_set_palette (unsigned int start, unsigned int count,
struct grub_video_palette_data *palette_data);
static grub_err_t
grub_video_sdl_init (void)
{
window = 0;
if (SDL_Init (SDL_INIT_VIDEO) < 0)
return grub_error (GRUB_ERR_BAD_DEVICE, "Couldn't init SDL: %s",
SDL_GetError ());
grub_memset (&mode_info, 0, sizeof (mode_info));
return grub_video_fb_init ();
}
static grub_err_t
grub_video_sdl_fini (void)
{
SDL_Quit ();
window = 0;
grub_memset (&mode_info, 0, sizeof (mode_info));
return grub_video_fb_fini ();
}
static inline unsigned int
get_mask_size (grub_uint32_t mask)
{
unsigned i;
for (i = 0; mask > 1U << i; i++);
return i;
}
static grub_err_t
grub_video_sdl_setup (unsigned int width, unsigned int height,
unsigned int mode_type, unsigned int mode_mask)
{
int depth;
int flags = 0;
grub_err_t err;
/* Decode depth from mode_type. If it is zero, then autodetect. */
depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
>> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
if (depth == 0)
depth = 32;
if (width == 0 && height == 0)
{
width = 800;
height = 600;
}
if ((mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED)
|| !(mode_mask & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED))
flags |= SDL_DOUBLEBUF;
window = SDL_SetVideoMode (width, height, depth, flags | SDL_HWSURFACE);
if (! window)
window = SDL_SetVideoMode (width, height, depth, flags | SDL_SWSURFACE);
if (! window)
return grub_error (GRUB_ERR_BAD_DEVICE, "Couldn't open window: %s",
SDL_GetError ());
grub_memset (&sdl_render_target, 0, sizeof (sdl_render_target));
mode_info.width = window->w;
mode_info.height = window->h;
mode_info.mode_type = 0;
if (window->flags & SDL_DOUBLEBUF)
mode_info.mode_type
|= GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED;
if (window->format->palette)
mode_info.mode_type |= GRUB_VIDEO_MODE_TYPE_INDEX_COLOR;
else
mode_info.mode_type |= GRUB_VIDEO_MODE_TYPE_RGB;
mode_info.bpp = window->format->BitsPerPixel;
mode_info.bytes_per_pixel = window->format->BytesPerPixel;
mode_info.pitch = window->pitch;
/* In index color mode, number of colors. In RGB mode this is 256. */
if (window->format->palette)
mode_info.number_of_colors
= 1 << window->format->BitsPerPixel;
else
mode_info.number_of_colors = 256;
if (! window->format->palette)
{
mode_info.red_mask_size
= get_mask_size (window->format->Rmask >> window->format->Rshift);
mode_info.red_field_pos = window->format->Rshift;
mode_info.green_mask_size
= get_mask_size (window->format->Gmask >> window->format->Gshift);
mode_info.green_field_pos = window->format->Gshift;
mode_info.blue_mask_size
= get_mask_size (window->format->Bmask >> window->format->Bshift);
mode_info.blue_field_pos = window->format->Bshift;
mode_info.reserved_mask_size
= get_mask_size (window->format->Amask >> window->format->Ashift);
mode_info.reserved_field_pos = window->format->Ashift;
mode_info.blit_format
= grub_video_get_blit_format (&mode_info);
}
err = grub_video_fb_create_render_target_from_pointer (&sdl_render_target,
&mode_info,
window->pixels);
if (err)
return err;
/* Copy default palette to initialize emulated palette. */
grub_video_sdl_set_palette (0, (sizeof (grub_video_fbstd_colors)
/ sizeof (grub_video_fbstd_colors[0])),
grub_video_fbstd_colors);
/* Reset render target to SDL one. */
return grub_video_fb_set_active_render_target (sdl_render_target);
}
static grub_err_t
grub_video_sdl_set_palette (unsigned int start, unsigned int count,
struct grub_video_palette_data *palette_data)
{
unsigned i;
if (window->format->palette)
{
SDL_Color *tmp = grub_malloc (count * sizeof (tmp[0]));
for (i = 0; i < count; i++)
{
tmp[i].r = palette_data[i].r;
tmp[i].g = palette_data[i].g;
tmp[i].b = palette_data[i].b;
tmp[i].unused = palette_data[i].a;
}
SDL_SetColors (window, tmp, start, count);
grub_free (tmp);
}
return grub_video_fb_set_palette (start, count, palette_data);
}
grub_err_t
grub_video_sdl_set_viewport (unsigned int x, unsigned int y,
unsigned int width, unsigned int height)
{
/* Make sure viewport is withing screen dimensions. If viewport was set
to be out of the region, mark its size as zero. */
if (x > (unsigned) window->w)
{
x = 0;
width = 0;
}
if (y > (unsigned) window->h)
{
y = 0;
height = 0;
}
if (x + width > (unsigned) window->w)
width = window->w - x;
if (y + height > (unsigned) window->h)
height = window->h - y;
return grub_video_fb_set_viewport (x, y, width, height);
}
static grub_err_t
grub_video_sdl_swap_buffers (void)
{
if (SDL_Flip (window) < 0)
return grub_error (GRUB_ERR_BAD_DEVICE, "couldn't swap buffers: %s",
SDL_GetError ());
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_sdl_set_active_render_target (struct grub_video_render_target *target)
{
if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY)
return grub_video_fb_set_active_render_target (sdl_render_target);
return grub_video_fb_set_active_render_target (target);
}
static struct grub_video_adapter grub_video_sdl_adapter =
{
.name = "SDL Video Driver",
.init = grub_video_sdl_init,
.fini = grub_video_sdl_fini,
.setup = grub_video_sdl_setup,
.get_info = grub_video_fb_get_info,
.set_palette = grub_video_sdl_set_palette,
.get_palette = grub_video_fb_get_palette,
.set_viewport = grub_video_fb_set_viewport,
.get_viewport = grub_video_fb_get_viewport,
.map_color = grub_video_fb_map_color,
.map_rgb = grub_video_fb_map_rgb,
.map_rgba = grub_video_fb_map_rgba,
.unmap_color = grub_video_fb_unmap_color,
.fill_rect = grub_video_fb_fill_rect,
.blit_bitmap = grub_video_fb_blit_bitmap,
.blit_render_target = grub_video_fb_blit_render_target,
.scroll = grub_video_fb_scroll,
.swap_buffers = grub_video_sdl_swap_buffers,
.create_render_target = grub_video_fb_create_render_target,
.delete_render_target = grub_video_fb_delete_render_target,
.set_active_render_target = grub_video_sdl_set_active_render_target,
.get_active_render_target = grub_video_fb_get_active_render_target,
.next = 0
};
GRUB_MOD_INIT(sdl)
{
grub_video_register (&grub_video_sdl_adapter);
}
GRUB_MOD_FINI(sdl)
{
grub_video_unregister (&grub_video_sdl_adapter);
}

308
video/bitmap_scale.c Normal file
View file

@ -0,0 +1,308 @@
/* bitmap_scale.c - Bitmap scaling. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/video.h>
#include <grub/bitmap.h>
#include <grub/bitmap_scale.h>
#include <grub/types.h>
/* Prototypes for module-local functions. */
static grub_err_t scale_nn (struct grub_video_bitmap *dst,
struct grub_video_bitmap *src);
static grub_err_t scale_bilinear (struct grub_video_bitmap *dst,
struct grub_video_bitmap *src);
/* This function creates a new scaled version of the bitmap SRC. The new
bitmap has dimensions DST_WIDTH by DST_HEIGHT. The scaling algorithm
is given by SCALE_METHOD. If an error is encountered, the return code is
not equal to GRUB_ERR_NONE, and the bitmap DST is either not created, or
it is destroyed before this function returns.
Supports only direct color modes which have components separated
into bytes (e.g., RGBA 8:8:8:8 or BGR 8:8:8 true color).
But because of this simplifying assumption, the implementation is
greatly simplified. */
grub_err_t
grub_video_bitmap_create_scaled (struct grub_video_bitmap **dst,
int dst_width, int dst_height,
struct grub_video_bitmap *src,
enum grub_video_bitmap_scale_method
scale_method)
{
*dst = 0;
/* Verify the simplifying assumptions. */
if (src == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"null src bitmap in grub_video_bitmap_create_scaled");
if (src->mode_info.red_field_pos % 8 != 0
|| src->mode_info.green_field_pos % 8 != 0
|| src->mode_info.blue_field_pos % 8 != 0
|| src->mode_info.reserved_field_pos % 8 != 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"src format not supported for scale");
if (src->mode_info.width == 0 || src->mode_info.height == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"source bitmap has a zero dimension");
if (dst_width <= 0 || dst_height <= 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"requested to scale to a size w/ a zero dimension");
if (src->mode_info.bytes_per_pixel * 8 != src->mode_info.bpp)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"bitmap to scale has inconsistent Bpp and bpp");
/* Create the new bitmap. */
grub_err_t ret;
ret = grub_video_bitmap_create (dst, dst_width, dst_height,
src->mode_info.blit_format);
if (ret != GRUB_ERR_NONE)
return ret; /* Error. */
switch (scale_method)
{
case GRUB_VIDEO_BITMAP_SCALE_METHOD_FASTEST:
case GRUB_VIDEO_BITMAP_SCALE_METHOD_NEAREST:
ret = scale_nn (*dst, src);
break;
case GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST:
case GRUB_VIDEO_BITMAP_SCALE_METHOD_BILINEAR:
ret = scale_bilinear (*dst, src);
break;
default:
ret = grub_error (GRUB_ERR_BAD_ARGUMENT, "Invalid scale_method value");
break;
}
if (ret == GRUB_ERR_NONE)
{
/* Success: *dst is now a pointer to the scaled bitmap. */
return GRUB_ERR_NONE;
}
else
{
/* Destroy the bitmap and return the error code. */
grub_video_bitmap_destroy (*dst);
*dst = 0;
return ret;
}
}
/* Nearest neighbor bitmap scaling algorithm.
Copy the bitmap SRC to the bitmap DST, scaling the bitmap to fit the
dimensions of DST. This function uses the nearest neighbor algorithm to
interpolate the pixels.
Supports only direct color modes which have components separated
into bytes (e.g., RGBA 8:8:8:8 or BGR 8:8:8 true color).
But because of this simplifying assumption, the implementation is
greatly simplified. */
static grub_err_t
scale_nn (struct grub_video_bitmap *dst, struct grub_video_bitmap *src)
{
/* Verify the simplifying assumptions. */
if (dst == 0 || src == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "null bitmap in scale_nn");
if (dst->mode_info.red_field_pos % 8 != 0
|| dst->mode_info.green_field_pos % 8 != 0
|| dst->mode_info.blue_field_pos % 8 != 0
|| dst->mode_info.reserved_field_pos % 8 != 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "dst format not supported");
if (src->mode_info.red_field_pos % 8 != 0
|| src->mode_info.green_field_pos % 8 != 0
|| src->mode_info.blue_field_pos % 8 != 0
|| src->mode_info.reserved_field_pos % 8 != 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "src format not supported");
if (dst->mode_info.red_field_pos != src->mode_info.red_field_pos
|| dst->mode_info.red_mask_size != src->mode_info.red_mask_size
|| dst->mode_info.green_field_pos != src->mode_info.green_field_pos
|| dst->mode_info.green_mask_size != src->mode_info.green_mask_size
|| dst->mode_info.blue_field_pos != src->mode_info.blue_field_pos
|| dst->mode_info.blue_mask_size != src->mode_info.blue_mask_size
|| dst->mode_info.reserved_field_pos !=
src->mode_info.reserved_field_pos
|| dst->mode_info.reserved_mask_size !=
src->mode_info.reserved_mask_size)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "dst and src not compatible");
if (dst->mode_info.bytes_per_pixel != src->mode_info.bytes_per_pixel)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "dst and src not compatible");
if (dst->mode_info.width == 0 || dst->mode_info.height == 0
|| src->mode_info.width == 0 || src->mode_info.height == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "bitmap has a zero dimension");
grub_uint8_t *ddata = dst->data;
grub_uint8_t *sdata = src->data;
int dw = dst->mode_info.width;
int dh = dst->mode_info.height;
int sw = src->mode_info.width;
int sh = src->mode_info.height;
int dstride = dst->mode_info.pitch;
int sstride = src->mode_info.pitch;
/* bytes_per_pixel is the same for both src and dst. */
int bytes_per_pixel = dst->mode_info.bytes_per_pixel;
int dy;
for (dy = 0; dy < dh; dy++)
{
int dx;
for (dx = 0; dx < dw; dx++)
{
grub_uint8_t *dptr;
grub_uint8_t *sptr;
int sx;
int sy;
int comp;
/* Compute the source coordinate that the destination coordinate
maps to. Note: sx/sw = dx/dw => sx = sw*dx/dw. */
sx = sw * dx / dw;
sy = sh * dy / dh;
/* Get the address of the pixels in src and dst. */
dptr = ddata + dy * dstride + dx * bytes_per_pixel;
sptr = sdata + sy * sstride + sx * bytes_per_pixel;
/* Copy the pixel color value. */
for (comp = 0; comp < bytes_per_pixel; comp++)
dptr[comp] = sptr[comp];
}
}
return GRUB_ERR_NONE;
}
/* Bilinear interpolation image scaling algorithm.
Copy the bitmap SRC to the bitmap DST, scaling the bitmap to fit the
dimensions of DST. This function uses the bilinear interpolation algorithm
to interpolate the pixels.
Supports only direct color modes which have components separated
into bytes (e.g., RGBA 8:8:8:8 or BGR 8:8:8 true color).
But because of this simplifying assumption, the implementation is
greatly simplified. */
static grub_err_t
scale_bilinear (struct grub_video_bitmap *dst, struct grub_video_bitmap *src)
{
/* Verify the simplifying assumptions. */
if (dst == 0 || src == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "null bitmap in scale func");
if (dst->mode_info.red_field_pos % 8 != 0
|| dst->mode_info.green_field_pos % 8 != 0
|| dst->mode_info.blue_field_pos % 8 != 0
|| dst->mode_info.reserved_field_pos % 8 != 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "dst format not supported");
if (src->mode_info.red_field_pos % 8 != 0
|| src->mode_info.green_field_pos % 8 != 0
|| src->mode_info.blue_field_pos % 8 != 0
|| src->mode_info.reserved_field_pos % 8 != 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "src format not supported");
if (dst->mode_info.red_field_pos != src->mode_info.red_field_pos
|| dst->mode_info.red_mask_size != src->mode_info.red_mask_size
|| dst->mode_info.green_field_pos != src->mode_info.green_field_pos
|| dst->mode_info.green_mask_size != src->mode_info.green_mask_size
|| dst->mode_info.blue_field_pos != src->mode_info.blue_field_pos
|| dst->mode_info.blue_mask_size != src->mode_info.blue_mask_size
|| dst->mode_info.reserved_field_pos !=
src->mode_info.reserved_field_pos
|| dst->mode_info.reserved_mask_size !=
src->mode_info.reserved_mask_size)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "dst and src not compatible");
if (dst->mode_info.bytes_per_pixel != src->mode_info.bytes_per_pixel)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "dst and src not compatible");
if (dst->mode_info.width == 0 || dst->mode_info.height == 0
|| src->mode_info.width == 0 || src->mode_info.height == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "bitmap has a zero dimension");
grub_uint8_t *ddata = dst->data;
grub_uint8_t *sdata = src->data;
int dw = dst->mode_info.width;
int dh = dst->mode_info.height;
int sw = src->mode_info.width;
int sh = src->mode_info.height;
int dstride = dst->mode_info.pitch;
int sstride = src->mode_info.pitch;
/* bytes_per_pixel is the same for both src and dst. */
int bytes_per_pixel = dst->mode_info.bytes_per_pixel;
int dy;
for (dy = 0; dy < dh; dy++)
{
int dx;
for (dx = 0; dx < dw; dx++)
{
grub_uint8_t *dptr;
grub_uint8_t *sptr;
int sx;
int sy;
int comp;
/* Compute the source coordinate that the destination coordinate
maps to. Note: sx/sw = dx/dw => sx = sw*dx/dw. */
sx = sw * dx / dw;
sy = sh * dy / dh;
/* Get the address of the pixels in src and dst. */
dptr = ddata + dy * dstride + dx * bytes_per_pixel;
sptr = sdata + sy * sstride + sx * bytes_per_pixel;
/* If we have enough space to do so, use bilinear interpolation.
Otherwise, fall back to nearest neighbor for this pixel. */
if (sx < sw - 1 && sy < sh - 1)
{
/* Do bilinear interpolation. */
/* Fixed-point .8 numbers representing the fraction of the
distance in the x (u) and y (v) direction within the
box of 4 pixels in the source. */
int u = (256 * sw * dx / dw) - (sx * 256);
int v = (256 * sh * dy / dh) - (sy * 256);
for (comp = 0; comp < bytes_per_pixel; comp++)
{
/* Get the component's values for the
four source corner pixels. */
grub_uint8_t f00 = sptr[comp];
grub_uint8_t f10 = sptr[comp + bytes_per_pixel];
grub_uint8_t f01 = sptr[comp + sstride];
grub_uint8_t f11 = sptr[comp + sstride + bytes_per_pixel];
/* Do linear interpolations along the top and bottom
rows of the box. */
grub_uint8_t f0y = (256 - v) * f00 / 256 + v * f01 / 256;
grub_uint8_t f1y = (256 - v) * f10 / 256 + v * f11 / 256;
/* Interpolate vertically. */
grub_uint8_t fxy = (256 - u) * f0y / 256 + u * f1y / 256;
dptr[comp] = fxy;
}
}
else
{
/* Fall back to nearest neighbor interpolation. */
/* Copy the pixel color value. */
for (comp = 0; comp < bytes_per_pixel; comp++)
dptr[comp] = sptr[comp];
}
}
}
return GRUB_ERR_NONE;
}

52
video/fb/video_fb.c
View file

@ -66,6 +66,8 @@ grub_video_fb_init (void)
grub_err_t
grub_video_fb_fini (void)
{
/* TODO: destroy render targets. */
grub_free (palette);
render_target = 0;
palette = 0;
@ -1233,3 +1235,53 @@ grub_video_fb_get_active_render_target (struct grub_video_fbrender_target **targ
return GRUB_ERR_NONE;
}
static grub_err_t
doublebuf_blit_update_screen (struct grub_video_fbrender_target *front,
struct grub_video_fbrender_target *back)
{
grub_memcpy (front->data, back->data,
front->mode_info.pitch * front->mode_info.height);
return GRUB_ERR_NONE;
}
grub_err_t
grub_video_fb_doublebuf_blit_init (struct grub_video_fbrender_target **front,
struct grub_video_fbrender_target **back,
grub_video_fb_doublebuf_update_screen_t *update_screen,
struct grub_video_mode_info mode_info,
void *framebuf)
{
grub_err_t err;
int page_size = mode_info.pitch * mode_info.height;
void *offscreen_buffer;
err = grub_video_fb_create_render_target_from_pointer (front, &mode_info,
framebuf);
if (err)
return err;
offscreen_buffer = grub_malloc (page_size);
if (! offscreen_buffer)
{
grub_video_fb_delete_render_target (*front);
*front = 0;
return grub_errno;
}
err = grub_video_fb_create_render_target_from_pointer (back, &mode_info,
offscreen_buffer);
if (err)
{
grub_video_fb_delete_render_target (*front);
grub_free (offscreen_buffer);
*front = 0;
return grub_errno;
}
(*back)->is_allocated = 1;
*update_screen = doublebuf_blit_update_screen;
return GRUB_ERR_NONE;
}

239
video/i386/pc/vbe.c
View file

@ -39,13 +39,25 @@ static grub_uint32_t last_set_mode = 3;
static struct
{
struct grub_video_mode_info mode_info;
struct grub_video_render_target *render_target;
struct grub_video_render_target *front_target;
struct grub_video_render_target *back_target;
unsigned int bytes_per_scan_line;
unsigned int bytes_per_pixel;
grub_uint32_t active_vbe_mode;
grub_uint8_t *ptr;
int index_color_mode;
char *offscreen_buffer;
grub_size_t page_size; /* The size of a page in bytes. */
/* For page flipping strategy. */
int displayed_page; /* The page # that is the front buffer. */
int render_page; /* The page # that is the back buffer. */
/* Virtual functions. */
grub_video_fb_doublebuf_update_screen_t update_screen;
} framebuffer;
static grub_uint32_t initial_vbe_mode;
@ -350,6 +362,7 @@ static grub_err_t
grub_video_vbe_fini (void)
{
grub_vbe_status_t status;
grub_err_t err;
/* Restore old video mode. */
status = grub_vbe_bios_set_mode (initial_vbe_mode, 0);
@ -362,11 +375,190 @@ grub_video_vbe_fini (void)
grub_free (vbe_mode_list);
vbe_mode_list = NULL;
/* TODO: destroy render targets. */
return grub_video_fb_fini ();
err = grub_video_fb_fini ();
grub_free (framebuffer.offscreen_buffer);
return err;
}
/*
Set framebuffer render target page and display the proper page, based on
`doublebuf_state.render_page' and `doublebuf_state.displayed_page',
respectively.
*/
static grub_err_t
doublebuf_pageflipping_commit (void)
{
/* Tell the video adapter to display the new front page. */
int display_start_line
= framebuffer.mode_info.height * framebuffer.displayed_page;
grub_vbe_status_t vbe_err =
grub_vbe_bios_set_display_start (0, display_start_line);
if (vbe_err != GRUB_VBE_STATUS_OK)
return grub_error (GRUB_ERR_IO, "couldn't commit pageflip");
return 0;
}
static grub_err_t
doublebuf_pageflipping_update_screen (struct grub_video_fbrender_target *front
__attribute__ ((unused)),
struct grub_video_fbrender_target *back
__attribute__ ((unused)))
{
int new_displayed_page;
struct grub_video_fbrender_target *target;
grub_err_t err;
/* Swap the page numbers in the framebuffer struct. */
new_displayed_page = framebuffer.render_page;
framebuffer.render_page = framebuffer.displayed_page;
framebuffer.displayed_page = new_displayed_page;
err = doublebuf_pageflipping_commit ();
if (err)
{
/* Restore previous state. */
framebuffer.render_page = framebuffer.displayed_page;
framebuffer.displayed_page = new_displayed_page;
return err;
}
if (framebuffer.mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP)
grub_memcpy (framebuffer.ptr + framebuffer.render_page
* framebuffer.page_size, framebuffer.ptr
+ framebuffer.displayed_page * framebuffer.page_size,
framebuffer.page_size);
target = framebuffer.back_target;
framebuffer.back_target = framebuffer.front_target;
framebuffer.front_target = target;
err = grub_video_fb_get_active_render_target (&target);
if (err)
return err;
if (target == framebuffer.back_target)
err = grub_video_fb_set_active_render_target (framebuffer.front_target);
else if (target == framebuffer.front_target)
err = grub_video_fb_set_active_render_target (framebuffer.back_target);
return err;
}
static grub_err_t
doublebuf_pageflipping_init (void)
{
/* Get video RAM size in bytes. */
grub_size_t vram_size = controller_info.total_memory << 16;
grub_err_t err;
framebuffer.page_size =
framebuffer.mode_info.pitch * framebuffer.mode_info.height;
if (2 * framebuffer.page_size > vram_size)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"Not enough video memory for double buffering.");
framebuffer.displayed_page = 0;
framebuffer.render_page = 1;
framebuffer.update_screen = doublebuf_pageflipping_update_screen;
err = grub_video_fb_create_render_target_from_pointer (&framebuffer.front_target, &framebuffer.mode_info, framebuffer.ptr);
if (err)
return err;
err = grub_video_fb_create_render_target_from_pointer (&framebuffer.back_target, &framebuffer.mode_info, framebuffer.ptr + framebuffer.page_size);
if (err)
{
grub_video_fb_delete_render_target (framebuffer.front_target);
return err;
}
/* Set the framebuffer memory data pointer and display the right page. */
err = doublebuf_pageflipping_commit ();
if (err)
{
grub_video_fb_delete_render_target (framebuffer.front_target);
grub_video_fb_delete_render_target (framebuffer.back_target);
return err;
}
return GRUB_ERR_NONE;
}
/* Select the best double buffering mode available. */
static grub_err_t
double_buffering_init (unsigned int mode_type, unsigned int mode_mask)
{
grub_err_t err;
int updating_swap_needed;
updating_swap_needed
= grub_video_check_mode_flag (mode_type, mode_mask,
GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP, 0);
/* Do double buffering only if it's either requested or efficient. */
if (grub_video_check_mode_flag (mode_type, mode_mask,
GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED,
!updating_swap_needed))
{
framebuffer.mode_info.mode_type |= GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED;
if (updating_swap_needed)
framebuffer.mode_info.mode_type |= GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP;
err = doublebuf_pageflipping_init ();
if (!err)
return GRUB_ERR_NONE;
framebuffer.mode_info.mode_type
&= ~(GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
| GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
grub_errno = GRUB_ERR_NONE;
}
if (grub_video_check_mode_flag (mode_type, mode_mask,
GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED,
0))
{
framebuffer.mode_info.mode_type
|= (GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
| GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
err = grub_video_fb_doublebuf_blit_init (&framebuffer.front_target,
&framebuffer.back_target,
&framebuffer.update_screen,
framebuffer.mode_info,
framebuffer.ptr);
if (!err)
return GRUB_ERR_NONE;
framebuffer.mode_info.mode_type
&= ~(GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED
| GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
grub_errno = GRUB_ERR_NONE;
}
/* Fall back to no double buffering. */
err = grub_video_fb_create_render_target_from_pointer (&framebuffer.front_target, &framebuffer.mode_info, framebuffer.ptr);
if (err)
return err;
framebuffer.back_target = framebuffer.front_target;
framebuffer.update_screen = 0;
framebuffer.mode_info.mode_type &= ~GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED;
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_vbe_setup (unsigned int width, unsigned int height,
unsigned int mode_type, unsigned int mode_mask)
@ -491,12 +683,12 @@ grub_video_vbe_setup (unsigned int width, unsigned int height,
framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info);
err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr);
/* Set up double buffering and targets. */
err = double_buffering_init (mode_type, mode_mask);
if (err)
return err;
err = grub_video_fb_set_active_render_target (framebuffer.render_target);
err = grub_video_fb_set_active_render_target (framebuffer.back_target);
if (err)
return err;
@ -533,7 +725,15 @@ grub_video_vbe_set_palette (unsigned int start, unsigned int count,
static grub_err_t
grub_video_vbe_swap_buffers (void)
{
/* TODO: Implement buffer swapping. */
grub_err_t err;
if (!framebuffer.update_screen)
return GRUB_ERR_NONE;
err = framebuffer.update_screen (framebuffer.front_target,
framebuffer.back_target);
if (err)
return err;
return GRUB_ERR_NONE;
}
@ -541,27 +741,42 @@ static grub_err_t
grub_video_vbe_set_active_render_target (struct grub_video_render_target *target)
{
if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY)
target = framebuffer.render_target;
target = framebuffer.back_target;
return grub_video_fb_set_active_render_target (target);
}
static grub_err_t
grub_video_vbe_get_active_render_target (struct grub_video_render_target **target)
{
grub_err_t err;
err = grub_video_fb_get_active_render_target (target);
if (err)
return err;
if (*target == framebuffer.back_target)
*target = GRUB_VIDEO_RENDER_TARGET_DISPLAY;
return GRUB_ERR_NONE;
}
static grub_err_t
grub_video_vbe_get_info_and_fini (struct grub_video_mode_info *mode_info,
void **framebuf)
{
grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info));
*framebuf = (char *) framebuffer.ptr;
*framebuf = (char *) framebuffer.ptr
+ framebuffer.displayed_page * framebuffer.page_size;
grub_free (vbe_mode_list);
vbe_mode_list = NULL;
grub_video_fb_fini ();
grub_free (framebuffer.offscreen_buffer);
return GRUB_ERR_NONE;
}
static struct grub_video_adapter grub_video_vbe_adapter =
{
.name = "VESA BIOS Extension Video Driver",
@ -588,7 +803,7 @@ static struct grub_video_adapter grub_video_vbe_adapter =
.create_render_target = grub_video_fb_create_render_target,
.delete_render_target = grub_video_fb_delete_render_target,
.set_active_render_target = grub_video_vbe_set_active_render_target,
.get_active_render_target = grub_video_fb_get_active_render_target,
.get_active_render_target = grub_video_vbe_get_active_render_target,
.next = 0
};