2009-11-20 15:02:58 +00:00
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/* gfxmenu.c - Graphical menu interface controller. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/err.h>
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#include <grub/dl.h>
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#include <grub/command.h>
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#include <grub/video.h>
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#include <grub/gfxterm.h>
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#include <grub/bitmap.h>
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#include <grub/bitmap_scale.h>
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#include <grub/term.h>
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#include <grub/env.h>
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#include <grub/normal.h>
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#include <grub/gfxwidgets.h>
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#include <grub/menu.h>
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#include <grub/menu_viewer.h>
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#include <grub/gfxmenu_model.h>
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#include <grub/gfxmenu_view.h>
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2009-11-24 06:17:18 +00:00
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#include <grub/time.h>
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2009-11-20 15:02:58 +00:00
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2009-12-26 01:37:01 +00:00
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grub_gfxmenu_view_t cached_view;
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void
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grub_gfxmenu_viewer_fini (void *data __attribute__ ((unused)))
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{
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2009-11-20 15:02:58 +00:00
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}
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2009-12-26 15:58:01 +00:00
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/* FIXME: Previously 't' changed to text menu is it necessary? */
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2009-12-26 00:49:57 +00:00
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grub_err_t
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grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
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2009-11-20 15:02:58 +00:00
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{
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2009-12-26 01:37:01 +00:00
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grub_gfxmenu_view_t view = NULL;
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2009-11-24 04:02:30 +00:00
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const char *theme_path;
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2009-12-26 00:49:57 +00:00
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struct grub_menu_viewer *instance;
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2009-12-26 01:37:01 +00:00
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grub_err_t err;
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struct grub_video_mode_info mode_info;
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2009-11-24 04:02:30 +00:00
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theme_path = grub_env_get ("theme");
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if (! theme_path)
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2009-12-26 15:41:54 +00:00
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{
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grub_gfxterm_fullscreen ();
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return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no theme specified");
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}
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2009-11-20 15:02:58 +00:00
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2009-12-26 00:49:57 +00:00
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instance = grub_zalloc (sizeof (*instance));
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if (!instance)
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2009-12-26 15:41:54 +00:00
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{
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grub_gfxterm_fullscreen ();
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return grub_errno;
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}
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2009-11-20 15:02:58 +00:00
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2009-12-26 01:37:01 +00:00
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err = grub_video_get_info (&mode_info);
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if (err)
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{
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2009-12-26 15:41:54 +00:00
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grub_gfxterm_fullscreen ();
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return err;
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2009-12-26 01:37:01 +00:00
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}
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2009-11-24 04:02:30 +00:00
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2009-12-26 01:37:01 +00:00
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if (!cached_view || grub_strcmp (cached_view->theme_path, theme_path) != 0
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|| cached_view->screen.width != (int) mode_info.width
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|| cached_view->screen.height != (int) mode_info.height)
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{
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grub_free (cached_view);
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/* Create the view. */
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cached_view = grub_gfxmenu_view_new (theme_path, mode_info.width,
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mode_info.height);
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}
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if (! cached_view)
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2009-11-20 15:02:58 +00:00
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{
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2009-12-26 00:49:57 +00:00
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grub_free (instance);
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2009-12-26 15:41:54 +00:00
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grub_gfxterm_fullscreen ();
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2009-11-20 15:02:58 +00:00
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return grub_errno;
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}
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2009-12-26 01:37:01 +00:00
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view = cached_view;
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view->double_repaint = (mode_info.mode_type
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& GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED)
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&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
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view->selected = entry;
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view->menu = menu;
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view->nested = nested;
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view->first_timeout = -1;
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2009-11-24 06:17:18 +00:00
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grub_gfxmenu_view_draw (view);
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2009-11-20 15:02:58 +00:00
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2009-12-26 00:49:57 +00:00
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instance->data = view;
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instance->set_chosen_entry = grub_gfxmenu_set_chosen_entry;
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instance->fini = grub_gfxmenu_viewer_fini;
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instance->print_timeout = grub_gfxmenu_print_timeout;
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instance->clear_timeout = grub_gfxmenu_clear_timeout;
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2009-11-20 15:02:58 +00:00
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2009-12-26 00:49:57 +00:00
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grub_menu_register_viewer (instance);
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2009-11-20 15:02:58 +00:00
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2009-12-26 00:49:57 +00:00
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return GRUB_ERR_NONE;
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2009-11-20 15:02:58 +00:00
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}
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GRUB_MOD_INIT (gfxmenu)
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{
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2009-12-26 15:41:54 +00:00
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struct grub_term_output *term;
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FOR_ACTIVE_TERM_OUTPUTS(term)
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if (grub_gfxmenu_try_hook && grub_strcmp (term->name, "gfxterm") == 0)
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{
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grub_gfxterm_fullscreen ();
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break;
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}
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2009-12-26 00:49:57 +00:00
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grub_gfxmenu_try_hook = grub_gfxmenu_try;
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2009-11-20 15:02:58 +00:00
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}
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GRUB_MOD_FINI (gfxmenu)
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{
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2009-12-26 01:37:01 +00:00
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grub_gfxmenu_view_destroy (cached_view);
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2009-12-26 00:49:57 +00:00
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grub_gfxmenu_try_hook = NULL;
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2009-11-20 15:02:58 +00:00
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}
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