139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* 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 grub_err_t
|
|
set_graphics_mode (void)
|
|
{
|
|
const char *modestr = grub_env_get ("gfxmode");
|
|
if (!modestr || !modestr[0])
|
|
modestr = "auto";
|
|
return grub_video_set_mode (modestr, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
|
|
}
|
|
|
|
/* FIXME: conflicts with gfxterm. */
|
|
static grub_err_t
|
|
set_text_mode (void)
|
|
{
|
|
return grub_video_restore ();
|
|
}
|
|
|
|
void
|
|
grub_gfxmenu_viewer_fini (void *data __attribute__ ((unused)))
|
|
{
|
|
set_text_mode ();
|
|
}
|
|
|
|
/* FIXME: 't' and 'c'. */
|
|
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)
|
|
return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no theme specified");
|
|
|
|
instance = grub_zalloc (sizeof (*instance));
|
|
if (!instance)
|
|
return grub_errno;
|
|
|
|
set_graphics_mode ();
|
|
err = grub_video_get_info (&mode_info);
|
|
if (err)
|
|
{
|
|
set_text_mode ();
|
|
return 0;
|
|
}
|
|
|
|
if (!cached_view || grub_strcmp (cached_view->theme_path, theme_path) != 0
|
|
|| cached_view->screen.width != (int) mode_info.width
|
|
|| cached_view->screen.height != (int) 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);
|
|
set_text_mode ();
|
|
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)
|
|
{
|
|
grub_gfxmenu_try_hook = grub_gfxmenu_try;
|
|
}
|
|
|
|
GRUB_MOD_FINI (gfxmenu)
|
|
{
|
|
grub_gfxmenu_view_destroy (cached_view);
|
|
grub_gfxmenu_try_hook = NULL;
|
|
}
|