2010-12-10  Colin Watson  <cjwatson@ubuntu.com>

	Move gfxmenu color handling to video, so that gfxterm can use it
	too.

	* grub-core/gfxmenu/named_colors.c: Move to ...
	* grub-core/video/colors.c: ... here.  Rename
	grub_gui_get_named_color to grub_video_get_named_color.
	* grub-core/gfxmenu/gui_string_util.c (my_isxdigit): Move to ...
	* grub-core/video/colors.c (my_isxdigit): ... here.
	* grub-core/gfxmenu/gui_string_util.c (parse_hex_color_component):
	Move to ...
	* grub-core/video/colors.c (parse_hex_color_component): ... here.
	* grub-core/gfxmenu/gui_string_util.c (grub_gui_parse_color): Move
	to ...
	* grub-core/video/colors.c (grub_video_parse_color): ... here.

	* include/grub/gui.h (grub_gui_color_t): Move to ...
	* include/grub/video.h (grub_video_rgba_color_t): ... here.
	* include/grub/gui.h (grub_gui_color_rgb): Move to ...
	* include/grub/video.h (grub_video_rgba_color_rgb): ... here.
	* include/grub/gui.h (grub_gui_map_color): Move to ...
	* include/grub/video.h (grub_video_map_rgba_color): ... here.
	* include/grub/gui_string_util.h (grub_gui_get_named_color): Move
	to ...
	* include/grub/video.h (grub_video_get_named_color): ... here.
	* include/grub/gui_string_util.h (grub_gui_parse_color): Move to ...
	* include/grub/video.h (grub_video_parse_color): ... here.

	* grub-core/Makefile.core.def (kernel) [videoinkernel]: Add
	video/colors.c.
	(gfxmenu): Remove gfxmenu/named_colors.c.
	(video_colors) [videomodules]: New module, containing
	video/colors.c.

	Add a background_color command.

	* grub-core/term/gfxterm.c (grub_gfxterm_background_color_cmd): New
	function.
	(GRUB_MOD_INIT): Register background_color command.
	(GRUB_MOD_FINI): Unregister background_color command.

	Fix border repainting.

	* grub-core/term/gfxterm.c (dirty_region_add): When a repaint is
	already scheduled, merge the virtual screen with the requested
	region rather than repainting only the virtual screen.