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d920a32a CB |
1 | /* gfxmenu.c - Graphical menu interface controller. */ |
2 | /* | |
3 | * GRUB -- GRand Unified Bootloader | |
4 | * Copyright (C) 2008 Free Software Foundation, Inc. | |
5 | * | |
6 | * GRUB is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * GRUB is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GRUB. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <grub/types.h> | |
21 | #include <grub/misc.h> | |
22 | #include <grub/mm.h> | |
23 | #include <grub/err.h> | |
24 | #include <grub/dl.h> | |
25 | #include <grub/command.h> | |
26 | #include <grub/video.h> | |
27 | #include <grub/gfxterm.h> | |
28 | #include <grub/bitmap.h> | |
29 | #include <grub/bitmap_scale.h> | |
30 | #include <grub/term.h> | |
31 | #include <grub/env.h> | |
32 | #include <grub/normal.h> | |
33 | #include <grub/gfxwidgets.h> | |
34 | #include <grub/menu.h> | |
35 | #include <grub/menu_viewer.h> | |
36 | #include <grub/gfxmenu_model.h> | |
37 | #include <grub/gfxmenu_view.h> | |
947fa16c | 38 | #include <grub/time.h> |
d920a32a | 39 | |
9b1209ba VS |
40 | grub_gfxmenu_view_t cached_view; |
41 | ||
9b1209ba VS |
42 | void |
43 | grub_gfxmenu_viewer_fini (void *data __attribute__ ((unused))) | |
44 | { | |
d920a32a CB |
45 | } |
46 | ||
4cc972be | 47 | /* FIXME: Previously 't' changed to text menu is it necessary? */ |
bee14068 VS |
48 | grub_err_t |
49 | grub_gfxmenu_try (int entry, grub_menu_t menu, int nested) | |
d920a32a | 50 | { |
9b1209ba | 51 | grub_gfxmenu_view_t view = NULL; |
4545f150 | 52 | const char *theme_path; |
bee14068 | 53 | struct grub_menu_viewer *instance; |
9b1209ba VS |
54 | grub_err_t err; |
55 | struct grub_video_mode_info mode_info; | |
4545f150 VS |
56 | |
57 | theme_path = grub_env_get ("theme"); | |
58 | if (! theme_path) | |
d3ee2d20 VS |
59 | { |
60 | grub_gfxterm_fullscreen (); | |
61 | return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no theme specified"); | |
62 | } | |
d920a32a | 63 | |
bee14068 VS |
64 | instance = grub_zalloc (sizeof (*instance)); |
65 | if (!instance) | |
d3ee2d20 VS |
66 | { |
67 | grub_gfxterm_fullscreen (); | |
68 | return grub_errno; | |
69 | } | |
d920a32a | 70 | |
9b1209ba VS |
71 | err = grub_video_get_info (&mode_info); |
72 | if (err) | |
73 | { | |
d3ee2d20 VS |
74 | grub_gfxterm_fullscreen (); |
75 | return err; | |
9b1209ba | 76 | } |
4545f150 | 77 | |
9b1209ba VS |
78 | if (!cached_view || grub_strcmp (cached_view->theme_path, theme_path) != 0 |
79 | || cached_view->screen.width != (int) mode_info.width | |
80 | || cached_view->screen.height != (int) mode_info.height) | |
81 | { | |
82 | grub_free (cached_view); | |
83 | /* Create the view. */ | |
84 | cached_view = grub_gfxmenu_view_new (theme_path, mode_info.width, | |
85 | mode_info.height); | |
86 | } | |
87 | ||
88 | if (! cached_view) | |
d920a32a | 89 | { |
bee14068 | 90 | grub_free (instance); |
d3ee2d20 | 91 | grub_gfxterm_fullscreen (); |
d920a32a CB |
92 | return grub_errno; |
93 | } | |
94 | ||
9b1209ba VS |
95 | view = cached_view; |
96 | ||
97 | view->double_repaint = (mode_info.mode_type | |
98 | & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED) | |
99 | && !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP); | |
100 | view->selected = entry; | |
101 | view->menu = menu; | |
102 | view->nested = nested; | |
103 | view->first_timeout = -1; | |
104 | ||
947fa16c | 105 | grub_gfxmenu_view_draw (view); |
d920a32a | 106 | |
bee14068 VS |
107 | instance->data = view; |
108 | instance->set_chosen_entry = grub_gfxmenu_set_chosen_entry; | |
109 | instance->fini = grub_gfxmenu_viewer_fini; | |
110 | instance->print_timeout = grub_gfxmenu_print_timeout; | |
111 | instance->clear_timeout = grub_gfxmenu_clear_timeout; | |
d920a32a | 112 | |
bee14068 | 113 | grub_menu_register_viewer (instance); |
d920a32a | 114 | |
bee14068 | 115 | return GRUB_ERR_NONE; |
d920a32a CB |
116 | } |
117 | ||
d920a32a CB |
118 | GRUB_MOD_INIT (gfxmenu) |
119 | { | |
d3ee2d20 VS |
120 | struct grub_term_output *term; |
121 | ||
122 | FOR_ACTIVE_TERM_OUTPUTS(term) | |
123 | if (grub_gfxmenu_try_hook && grub_strcmp (term->name, "gfxterm") == 0) | |
124 | { | |
125 | grub_gfxterm_fullscreen (); | |
126 | break; | |
127 | } | |
128 | ||
bee14068 | 129 | grub_gfxmenu_try_hook = grub_gfxmenu_try; |
d920a32a CB |
130 | } |
131 | ||
132 | GRUB_MOD_FINI (gfxmenu) | |
133 | { | |
9b1209ba | 134 | grub_gfxmenu_view_destroy (cached_view); |
bee14068 | 135 | grub_gfxmenu_try_hook = NULL; |
d920a32a | 136 | } |