From: Vladimir 'phcoder' Serbinenko Date: Sat, 26 Dec 2009 00:49:57 +0000 (+0100) Subject: Initial effort for gfxmenu on multiterm branch X-Git-Tag: 1.98~93^2~33 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bee140683affc55c95645b7d57c41f686534c24b;p=thirdparty%2Fgrub.git Initial effort for gfxmenu on multiterm branch --- bee140683affc55c95645b7d57c41f686534c24b diff --cc genmk.rb index b3dbe8678,43eaef150..6cb7b5a89 --- a/genmk.rb +++ b/genmk.rb @@@ -240,6 -242,11 +242,11 @@@ VIDEOFILES += #{video $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) #{extra_flags} $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \ | sh $(srcdir)/genhandlerlist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1) -#{terminal}: #{src} $(#{src}_DEPENDENCIES) genterminlist.sh ++#{terminal}: #{src} $(#{src}_DEPENDENCIES) genterminallist.sh + set -e; \ + $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) #{extra_flags} $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \ + | sh $(srcdir)/genterminallist.sh #{symbolic_name} > $@ || (rm -f $@; exit 1) + #{video}: #{src} $(#{src}_DEPENDENCIES) genvideolist.sh set -e; \ $(TARGET_CC) -I#{dir} -I$(srcdir)/#{dir} $(TARGET_CPPFLAGS) #{extra_flags} $(TARGET_#{flag}) $(#{prefix}_#{flag}) -E $< \ diff --cc gfxmenu/gfxmenu.c index 62ee34234,000000000..0d807914b mode 100644,000000..100644 --- a/gfxmenu/gfxmenu.c +++ b/gfxmenu/gfxmenu.c @@@ -1,235 -1,0 +1,94 @@@ +/* 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 . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + - static void switch_to_text_menu (void) ++void ++grub_gfxmenu_viewer_fini (void *data) +{ - grub_env_set ("menuviewer", "text"); - } - - static void - process_key_press (int c, - grub_gfxmenu_model_t model, - grub_gfxmenu_view_t view, - int nested, - int *should_exit) - { - /* When a key is pressed, stop the timeout. */ - grub_gfxmenu_model_clear_timeout (model); - - switch (c) - { - case 'j': - case GRUB_TERM_DOWN: - { - int i = grub_gfxmenu_model_get_selected_index (model); - int num_items = grub_gfxmenu_model_get_num_entries (model); - if (i < num_items - 1) - { - i++; - grub_gfxmenu_model_set_selected_index (model, i); - grub_gfxmenu_redraw_menu (view); - } - } - break; - - case 'k': - case GRUB_TERM_UP: - { - int i = grub_gfxmenu_model_get_selected_index (model); - if (i > 0) - { - i--; - grub_gfxmenu_model_set_selected_index (model, i); - grub_gfxmenu_redraw_menu (view); - } - } - break; - - case '\r': - case '\n': - case GRUB_TERM_RIGHT: - { - int selected = grub_gfxmenu_model_get_selected_index (model); - int num_entries = grub_gfxmenu_model_get_num_entries (model); - if (selected >= 0 && selected < num_entries) - { - grub_menu_entry_t entry = - grub_gfxmenu_model_get_entry (model, selected); - grub_gfxmenu_view_execute_entry (view, entry); - } - } - break; - - case 'c': - grub_gfxmenu_view_run_terminal (view); - break; - - case 't': - /* The write hook for 'menuviewer' will cause - * grub_menu_viewer_should_return to return nonzero. */ - switch_to_text_menu (); - *should_exit = 1; - break; ++ grub_gfxmenu_view_t view = data; + - case GRUB_TERM_ESC: - if (nested) - *should_exit = 1; - break; - } - - if (grub_errno != GRUB_ERR_NONE) - *should_exit = 1; - } - - static void - handle_key_events (grub_gfxmenu_model_t model, - grub_gfxmenu_view_t view, - int nested, - int *should_exit) - { - while ((! *should_exit) && (grub_checkkey () != -1)) - { - int key = grub_getkey (); - int c = GRUB_TERM_ASCII_CHAR (key); - process_key_press (c, model, view, nested, should_exit); - } ++ grub_gfxmenu_view_destroy (view); +} + - static grub_err_t - show_menu (grub_menu_t menu, int nested) ++/* FIXME: 't' and 'c'. */ ++grub_err_t ++grub_gfxmenu_try (int entry, grub_menu_t menu, int nested) +{ - grub_gfxmenu_model_t model; + grub_gfxmenu_view_t view; + const char *theme_path; ++ struct grub_menu_viewer *instance; + + theme_path = grub_env_get ("theme"); + if (! theme_path) - { - switch_to_text_menu (); - return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no theme specified"); - } ++ return grub_error (GRUB_ERR_FILE_NOT_FOUND, "no theme specified"); + - model = grub_gfxmenu_model_new (menu); - if (! model) - { - switch_to_text_menu (); - return grub_errno; - } ++ instance = grub_zalloc (sizeof (*instance)); ++ if (!instance) ++ return grub_errno; + + /* Create the view. */ - view = grub_gfxmenu_view_new (theme_path, model); ++ view = grub_gfxmenu_view_new (theme_path, menu, entry, nested); + + if (! view) + { - grub_print_error (); - grub_gfxmenu_model_destroy (model); - switch_to_text_menu (); ++ grub_free (instance); + return grub_errno; + } + - /* Initially select the default menu entry. */ - int default_index = grub_menu_get_default_entry_index (menu); - grub_gfxmenu_model_set_selected_index (model, default_index); - - /* Start the timer to execute the default entry. */ - grub_gfxmenu_model_set_timeout (model); - - /* Main event loop. */ - int exit_requested = 0; - + grub_gfxmenu_view_draw (view); - grub_video_swap_buffers (); - if (view->double_repaint) - grub_gfxmenu_view_draw (view); - - while ((! exit_requested) && (! grub_menu_viewer_should_return ())) - { - grub_gfxmenu_redraw_timeout (view); - if (grub_gfxmenu_model_timeout_expired (model)) - { - grub_gfxmenu_model_clear_timeout (model); - int i = grub_gfxmenu_model_get_selected_index (model); - grub_menu_entry_t e = grub_gfxmenu_model_get_entry (model, i); - grub_gfxmenu_view_execute_with_fallback (view, e); - continue; - } + - handle_key_events (model, view, nested, &exit_requested); - grub_cpu_idle (); - } ++ 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_gfxmenu_view_destroy (view); - grub_gfxmenu_model_destroy (model); ++ grub_menu_register_viewer (instance); + - return grub_errno; ++ return GRUB_ERR_NONE; +} + - static grub_err_t - grub_cmd_gfxmenu (grub_command_t cmd __attribute__ ((unused)), - int argc __attribute__ ((unused)), - char **args __attribute__ ((unused))) - { - grub_menu_t menu = grub_env_get_data_slot ("menu"); - if (! menu) - return grub_error (GRUB_ERR_MENU, "no menu context"); - - return show_menu (menu, 1); - } - - static struct grub_menu_viewer menu_viewer = - { - .name = "gfxmenu", - .show_menu = show_menu - }; - - static grub_command_t cmd; - +GRUB_MOD_INIT (gfxmenu) +{ - (void) mod; /* To stop warning. */ - grub_menu_viewer_register (&menu_viewer); - cmd = grub_register_command ("gfxmenu", grub_cmd_gfxmenu, - "gfxmenu", - "Show graphical menu interface"); ++ grub_gfxmenu_try_hook = grub_gfxmenu_try; +} + +GRUB_MOD_FINI (gfxmenu) +{ - grub_unregister_command (cmd); ++ grub_gfxmenu_try_hook = NULL; +} diff --cc gfxmenu/gui_circular_progress.c index f3c8bc3af,000000000..98d818558 mode 100644,000000..100644 --- a/gfxmenu/gui_circular_progress.c +++ b/gfxmenu/gui_circular_progress.c @@@ -1,343 -1,0 +1,347 @@@ +/* 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 . + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +struct grub_gui_circular_progress +{ + struct grub_gui_component_ops *circprog_ops; + + grub_gui_container_t parent; + grub_video_rect_t bounds; + char *id; + int preferred_width; + int preferred_height; + 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 = (self->num_ticks - * (self->value - self->start) - / (self->end - self->start)); ++ 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 void +circprog_get_preferred_size (void *vself, int *width, int *height) +{ + circular_progress_t self = vself; + + *width = 0; + *height = 0; + + /* Allow preferred dimensions to override the circprog dimensions. */ + if (self->preferred_width >= 0) + *width = self->preferred_width; + if (self->preferred_height >= 0) + *height = self->preferred_height; +} + +static grub_err_t +circprog_set_property (void *vself, const char *name, const char *value) +{ + circular_progress_t self = vself; + if (grub_strcmp (name, "value") == 0) + { + self->value = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "start") == 0) + { + self->start = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "end") == 0) + { + self->end = grub_strtol (value, 0, 10); + } + else 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, "preferred_size") == 0) + { + int w; + int h; + if (grub_gui_parse_2_tuple (value, &w, &h) != GRUB_ERR_NONE) + return grub_errno; + self->preferred_width = w; + self->preferred_height = h; + } + 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_errno; +} + +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, + .get_preferred_size = circprog_get_preferred_size, + .set_property = circprog_set_property +}; + +grub_gui_component_t +grub_gui_circular_progress_new (void) +{ + circular_progress_t self; + self = grub_malloc (sizeof (*self)); + if (! self) + return 0; + self->circprog_ops = &circprog_ops; + self->parent = 0; + self->bounds.x = 0; + self->bounds.y = 0; + self->bounds.width = 0; + self->bounds.height = 0; + self->id = 0; + self->preferred_width = -1; + self->preferred_height = -1; + self->visible = 1; + self->start = 0; + self->end = 0; + self->value = 0; + self->num_ticks = 64; + self->start_angle = -64; + self->ticks_disappear = 0; + + self->theme_dir = 0; + self->need_to_load_pixmaps = 0; + self->center_file = 0; + self->tick_file = 0; + self->center_bitmap = 0; + self->tick_bitmap = 0; + + return (grub_gui_component_t) self; +} diff --cc gfxmenu/gui_list.c index bf6d94657,000000000..68f19a3a6 mode 100644,000000..100644 --- a/gfxmenu/gui_list.c +++ b/gfxmenu/gui_list.c @@@ -1,627 -1,0 +1,627 @@@ +/* 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 . + */ + +#include +#include +#include +#include +#include +#include + +struct grub_gui_list_impl +{ + struct grub_gui_list_ops *list_ops; + + grub_gui_container_t parent; + grub_video_rect_t bounds; + char *id; + int preferred_width; + int preferred_height; + 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 min_items_shown; + int max_items_shown; + 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_model_t menu; ++ ++ 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 n = grub_gfxmenu_model_get_num_entries (self->menu); ++ int n = self->view->menu->size; + if (self->min_items_shown != -1 && n < self->min_items_shown) + n = self->min_items_shown; + if (self->max_items_shown != -1 && n > self->max_items_shown) + n = self->max_items_shown; + return n; +} + +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_gfxmenu_model_get_entry (self->menu, item_index); ++ 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 = grub_gfxmenu_model_get_selected_index (self->menu); ++ 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) +{ + 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; + - int total_num_items = grub_gfxmenu_model_get_num_entries (self->menu); ++ int total_num_items = self->view->menu->size; + int num_shown_items = get_num_shown_items (self); + grub_gfxmenu_box_t box = self->menu_box; + int width = self->bounds.width; + int height = self->bounds.height; + + 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); + + box->set_content_size (box, + width - box_left_pad - box_right_pad, + height - box_top_pad - box_bottom_pad); + + box->draw (box, 0, 0); + + make_selected_item_visible (self); + + int drawing_scrollbar = (self->draw_scrollbar + && (num_shown_items < total_num_items) + && check_scrollbar (self)); + + int scrollbar_h_space = drawing_scrollbar ? self->scrollbar_width : 0; + + int item_top = box_top_pad + boxpad; + int item_left = box_left_pad + boxpad; + int menu_index; + int visible_index; + + for (visible_index = 0, menu_index = self->first_shown_index; + visible_index < num_shown_items && menu_index < total_num_items; + visible_index++, menu_index++) + { - int is_selected = - (menu_index == grub_gfxmenu_model_get_selected_index (self->menu)); ++ int is_selected = (menu_index == self->view->selected); + + if (is_selected) + { + grub_gfxmenu_box_t selbox = self->selected_item_box; + int sel_leftpad = selbox->get_left_pad (selbox); + int sel_toppad = selbox->get_top_pad (selbox); + selbox->set_content_size (selbox, + (width - 2 * boxpad + - box_left_pad - box_right_pad + - 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_gfxmenu_model_get_entry_title (self->menu, menu_index); ++ 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; + } + + if (drawing_scrollbar) + draw_scrollbar (self, + self->first_shown_index, num_shown_items, + 0, total_num_items, + width - box_right_pad + self->scrollbar_width, + box_top_pad + boxpad, + height - box_top_pad - box_bottom_pad); +} + +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); + + grub_gui_set_viewport (&self->bounds, &vpsave); + draw_menu (self); + 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_preferred_size (void *vself, int *width, int *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 = get_num_shown_items (self); + + 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); + + *width = 400 + 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; + } + + /* Allow preferred dimensions to override the computed dimensions. */ + if (self->preferred_width >= 0) + *width = self->preferred_width; + if (self->preferred_height >= 0) + *height = self->preferred_height; +} + +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, "min_items_shown") == 0) + { + self->min_items_shown = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "max_items_shown") == 0) + { + self->max_items_shown = grub_strtol (value, 0, 10); + } + 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, "preferred_size") == 0) + { + int w; + int h; + if (grub_gui_parse_2_tuple (value, &w, &h) != GRUB_ERR_NONE) + return grub_errno; + self->preferred_width = w; + self->preferred_height = h; + } + 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, - const char *theme_path, - grub_gfxmenu_model_t menu) ++ grub_gfxmenu_view_t view) +{ + list_impl_t self = vself; - grub_gfxmenu_icon_manager_set_theme_path (self->icon_manager, theme_path); - self->menu = menu; ++ grub_gfxmenu_icon_manager_set_theme_path (self->icon_manager, ++ view->theme_path); ++ self->view = view; +} + +static struct grub_gui_list_ops list_ops = +{ + .component_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_preferred_size = list_get_preferred_size, + .set_property = list_set_property + }, + .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_malloc (sizeof (*self)); + if (! self) + return 0; + + self->list_ops = &list_ops; + self->parent = 0; + self->bounds.x = 0; + self->bounds.y = 0; + self->bounds.width = 0; + self->bounds.height = 0; + self->id = 0; + self->preferred_width = -1; + self->preferred_height = -1; + 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->min_items_shown = -1; + self->max_items_shown = -1; + 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_ops->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; +} diff --cc gfxmenu/gui_progress_bar.c index 498711169,000000000..c71997812 mode 100644,000000..100644 --- a/gfxmenu/gui_progress_bar.c +++ b/gfxmenu/gui_progress_bar.c @@@ -1,380 -1,0 +1,386 @@@ +/* 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 . + */ + +#include +#include +#include +#include +#include +#include +#include + +struct grub_gui_progress_bar +{ + struct grub_gui_component_ops *progress_bar; + + grub_gui_container_t parent; + grub_video_rect_t bounds; + char *id; + int preferred_width; + int preferred_height; + int visible; + int start; + int end; + int value; + int show_text; + char *text; + 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; + 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->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; ++ ++ if (self->end == self->start) ++ return; ++ + bar->set_content_size (bar, tracklen, trackheight); + - int barwidth = (tracklen - * (self->value - self->start) - / (self->end - self->start)); ++ 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) +{ + const char *text = self->text; + if (text && self->show_text) + { + 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; + + /* 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; + - grub_video_rect_t vpsave; + 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_preferred_size (void *vself, int *width, int *height) +{ + grub_gui_progress_bar_t self = vself; + + *width = 200; + *height = 28; + + /* Allow preferred dimensions to override the progress_bar dimensions. */ + if (self->preferred_width >= 0) + *width = self->preferred_width; + if (self->preferred_height >= 0) + *height = self->preferred_height; +} + +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, "value") == 0) + { + self->value = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "start") == 0) + { + self->start = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "end") == 0) + { + self->end = grub_strtol (value, 0, 10); + } + else 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, "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; + 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; + 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, "preferred_size") == 0) + { + int w; + int h; + if (grub_gui_parse_2_tuple (value, &w, &h) != GRUB_ERR_NONE) + return grub_errno; + self->preferred_width = w; + self->preferred_height = h; + } + else if (grub_strcmp (name, "visible") == 0) + { + self->visible = grub_strcmp (value, "false") != 0; + } + else if (grub_strcmp (name, "show_text") == 0) + { + self->show_text = 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_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_preferred_size = progress_bar_get_preferred_size, + .set_property = progress_bar_set_property +}; + +grub_gui_component_t +grub_gui_progress_bar_new (void) +{ + grub_gui_progress_bar_t self; + self = grub_malloc (sizeof (*self)); + if (! self) + return 0; + self->progress_bar = &progress_bar_ops; + self->parent = 0; + self->bounds.x = 0; + self->bounds.y = 0; + self->bounds.width = 0; + self->bounds.height = 0; + self->id = 0; + self->preferred_width = -1; + self->preferred_height = -1; + self->visible = 1; + self->start = 0; + self->end = 0; + self->value = 0; + self->show_text = 1; + self->text = grub_strdup (""); + 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; + + self->theme_dir = 0; + self->need_to_recreate_pixmaps = 0; + self->bar_pattern = 0; + self->highlight_pattern = 0; + self->bar_box = 0; + self->highlight_box = 0; + + return (grub_gui_component_t) self; +} diff --cc gfxmenu/model.c index 26490ea1f,000000000..e69de29bb mode 100644,000000..100644 --- a/gfxmenu/model.c +++ b/gfxmenu/model.c diff --cc gfxmenu/view.c index 7d9bb1cd0,000000000..882469447 mode 100644,000000..100644 --- a/gfxmenu/view.c +++ b/gfxmenu/view.c @@@ -1,595 -1,0 +1,565 @@@ +/* 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 . + */ + +#include +#include +#include +#include +#include +#include +#include +#include - #include +#include +#include +#include +#include +#include +#include +#include +#include +#include - #include ++#include +#include + +/* The component ID identifying GUI components to be updated as the timeout + status changes. */ +#define TIMEOUT_COMPONENT_ID "__timeout__" + ++#if 0 +static grub_gfxmenu_view_t term_view; ++#endif + - static void init_terminal (grub_gfxmenu_view_t view); - static void destroy_terminal (void); +static grub_err_t set_graphics_mode (void); +static grub_err_t set_text_mode (void); + +/* 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, grub_gfxmenu_model_t model) ++grub_gfxmenu_view_new (const char *theme_path, grub_menu_t menu, int entry, ++ int nested) +{ + grub_gfxmenu_view_t view; + grub_err_t err; + struct grub_video_mode_info mode_info; + + view = grub_malloc (sizeof (*view)); + if (! view) + return 0; + + set_graphics_mode (); + grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + grub_video_get_viewport ((unsigned *) &view->screen.x, + (unsigned *) &view->screen.y, + (unsigned *) &view->screen.width, + (unsigned *) &view->screen.height); + + err = grub_video_get_info (&mode_info); + if (err) + { + grub_free (view); + return 0; + } + else + view->double_repaint = (mode_info.mode_type + & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED) + && !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP); + + + /* Clear the screen; there may be garbage left over in video memory, and + loading the menu style (particularly the background) can take a while. */ + 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 (); + + grub_font_t default_font; + grub_gui_color_t default_fg_color; + grub_gui_color_t default_bg_color; + + 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->model = model; + view->canvas = 0; ++ view->selected = entry; ++ view->menu = menu; ++ view->nested = nested; ++ view->first_timeout = -1; + + 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; - view->last_seconds_remaining = -2; + + /* 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; + } + ++#if 0 + init_terminal (view); ++#endif + + return view; +} + +/* Destroy the view object. All used memory is freed. */ +void +grub_gfxmenu_view_destroy (grub_gfxmenu_view_t view) +{ + 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->ops->component.destroy (view->canvas); + grub_free (view); + + set_text_mode (); ++#if 0 + destroy_terminal (); ++#endif +} + ++#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; +} ++#endif + +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 +{ + const char *visible; + const char *start; + const char *end; + const char *value; + const char *text; +}; + +static void +update_timeout_visit (grub_gui_component_t component, + void *userdata) +{ + struct progress_value_data *pv; + pv = (struct progress_value_data *) userdata; + + component->ops->set_property (component, "visible", pv->visible); + component->ops->set_property (component, "start", pv->start); + component->ops->set_property (component, "end", pv->end); + component->ops->set_property (component, "value", pv->value); + component->ops->set_property (component, "text", pv->text); +} + - - static inline void - update_timeout (grub_gfxmenu_view_t view, int is_init) ++void ++grub_gfxmenu_print_timeout (int timeout, void *data) +{ - char startbuf[20]; - char valuebuf[20]; ++ char valuebuf[sizeof ("-XXXXXXXXXXX")]; ++ char startbuf[sizeof ("-XXXXXXXXXXX")]; + char msgbuf[120]; ++ struct grub_gfxmenu_view *view = data; + - int timeout; - int remaining; + struct progress_value_data pv; - int seconds_remaining_rounded_up; + + 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); + } + - timeout = grub_gfxmenu_model_get_timeout_ms (view->model); - if (timeout > 0) - { - remaining = grub_gfxmenu_model_get_timeout_remaining_ms (view->model); - seconds_remaining_rounded_up = (remaining + 999) / 1000; - } - else - { - seconds_remaining_rounded_up = -1; - remaining = -1; - } ++ if (view->first_timeout == -1) ++ view->first_timeout = timeout; + - if (view->last_seconds_remaining == seconds_remaining_rounded_up && !is_init) - return; - - view->last_seconds_remaining = seconds_remaining_rounded_up; - - pv.visible = timeout > 0 ? "true" : "false"; - grub_sprintf (startbuf, "%d", -timeout); ++ pv.visible = "true"; ++ grub_sprintf (startbuf, "%d", -(view->first_timeout + 1)); + pv.start = startbuf; + pv.end = "0"; - grub_sprintf (valuebuf, "%d", remaining > 0 ? -remaining : 0); ++ grub_sprintf (valuebuf, "%d", -timeout); + pv.value = valuebuf; + + grub_sprintf (msgbuf, + "The highlighted entry will be booted automatically in %d s.", - seconds_remaining_rounded_up); ++ timeout); + pv.text = msgbuf; + + grub_gui_find_by_id ((grub_gui_component_t) view->canvas, + TIMEOUT_COMPONENT_ID, update_timeout_visit, &pv); - if (!is_init) - { - 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); - } ++ 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_redraw_timeout (grub_gfxmenu_view_t view) ++void ++grub_gfxmenu_clear_timeout (void *data) +{ - update_timeout (view, 0); ++ 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 = "false"; ++ pv.start = "1"; ++ pv.end = "0"; ++ pv.value = "0"; ++ pv.text = ""; ++ ++ 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->theme_path, view->model); ++ 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) +{ + grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + + redraw_background (view, region); + if (view->canvas) + view->canvas->ops->component.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) +{ - update_timeout (view, 1); + 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 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); +} + +static grub_err_t +set_text_mode (void) +{ + return grub_video_restore (); +} + ++/* FIXME */ ++#if 0 +static int term_target_width; +static int term_target_height; +static int term_initialized; +static grub_term_output_t term_original; + +static void +draw_terminal_box (grub_gfxmenu_view_t view) +{ + grub_gfxmenu_box_t term_box; + int termx; + int termy; + + term_box = term_view->terminal_box; + if (!term_box) + return; + + termx = term_view->screen.x + term_view->screen.width * (10 - 7) / 10 / 2; + termy = term_view->screen.y + term_view->screen.height * (10 - 7) / 10 / 2; + + term_box->set_content_size (term_box, term_target_width, + term_target_height); + + term_box->draw (term_box, + termx - term_box->get_left_pad (term_box), + termy - term_box->get_top_pad (term_box)); + grub_video_swap_buffers (); + if (view->double_repaint) + term_box->draw (term_box, + termx - term_box->get_left_pad (term_box), + termy - term_box->get_top_pad (term_box)); +} + +static void +init_terminal (grub_gfxmenu_view_t view) +{ + int termx; + int termy; + + term_original = grub_term_get_current_output (); + + term_target_width = view->screen.width * 7 / 10; + term_target_height = view->screen.height * 7 / 10; + + termx = view->screen.x + view->screen.width * (10 - 7) / 10 / 2; + termy = view->screen.y + view->screen.height * (10 - 7) / 10 / 2; + + /* 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_init_window (GRUB_VIDEO_RENDER_TARGET_DISPLAY, termx, termy, + term_target_width, term_target_height, + view->double_repaint, view->terminal_font_name, 3); + if (grub_errno != GRUB_ERR_NONE) + return; + term_initialized = 1; + + term_view = view; + + grub_term_set_current_output (grub_gfxterm_get_term ()); + grub_refresh (); +} + +static void destroy_terminal (void) +{ + if (term_initialized) + grub_gfxterm_destroy_window (); + if (term_original) + grub_term_set_current_output (term_original); +} + - +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 +}; + - int - grub_gfxmenu_view_execute_with_fallback (grub_gfxmenu_view_t view, - grub_menu_entry_t entry) - { - draw_terminal_box (view); - - grub_menu_execute_with_fallback (grub_gfxmenu_model_get_menu (view->model), - entry, &execute_callback, (void *) view); - - if (set_graphics_mode () != GRUB_ERR_NONE) - return 0; /* Failure. */ - - /* If we returned, there was a failure. */ - set_progress_message (view, - "Unable to automatically boot. " - "Press SPACE to continue."); - grub_gfxmenu_view_draw (view); - while (GRUB_TERM_ASCII_CHAR(grub_getkey ()) != ' ') - { - /* Wait for SPACE to be pressed. */ - } - - set_progress_message (view, 0); /* Clear the message. */ - - 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); - - return 1; /* Ok. */ - } - - int - grub_gfxmenu_view_execute_entry (grub_gfxmenu_view_t view, - grub_menu_entry_t entry) - { - draw_terminal_box (view); - - grub_menu_execute_entry (entry); - if (grub_errno != GRUB_ERR_NONE) - grub_wait_after_message (); - - if (set_graphics_mode () != GRUB_ERR_NONE) - return 0; /* Failure. */ - - grub_gfxmenu_view_draw (view); - return 1; /* Ok. */ - } - - void - grub_gfxmenu_view_run_terminal (grub_gfxmenu_view_t view) - { - draw_terminal_box (view); - grub_cmdline_run (1); - grub_gfxmenu_view_draw (view); - } ++#endif diff --cc include/grub/gfxmenu_model.h index e5c7da3ac,000000000..8b1378917 mode 100644,000000..100644 --- a/include/grub/gfxmenu_model.h +++ b/include/grub/gfxmenu_model.h @@@ -1,59 -1,0 +1,1 @@@ - /* gfxmenu_model.h - gfxmenu model interface. */ - /* - * 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 . - */ - - #ifndef GRUB_GFXMENU_MODEL_HEADER - #define GRUB_GFXMENU_MODEL_HEADER 1 - - #include - - struct grub_gfxmenu_model; /* Forward declaration of opaque type. */ - typedef struct grub_gfxmenu_model *grub_gfxmenu_model_t; - - - grub_gfxmenu_model_t grub_gfxmenu_model_new (grub_menu_t menu); - - void grub_gfxmenu_model_destroy (grub_gfxmenu_model_t model); - - grub_menu_t grub_gfxmenu_model_get_menu (grub_gfxmenu_model_t model); - - void grub_gfxmenu_model_set_timeout (grub_gfxmenu_model_t model); - - void grub_gfxmenu_model_clear_timeout (grub_gfxmenu_model_t model); - - int grub_gfxmenu_model_get_timeout_ms (grub_gfxmenu_model_t model); - - int grub_gfxmenu_model_get_timeout_remaining_ms (grub_gfxmenu_model_t model); - - int grub_gfxmenu_model_timeout_expired (grub_gfxmenu_model_t model); - - int grub_gfxmenu_model_get_num_entries (grub_gfxmenu_model_t model); - - int grub_gfxmenu_model_get_selected_index (grub_gfxmenu_model_t model); - - void grub_gfxmenu_model_set_selected_index (grub_gfxmenu_model_t model, - int index); - - const char *grub_gfxmenu_model_get_entry_title (grub_gfxmenu_model_t model, - int index); - - grub_menu_entry_t grub_gfxmenu_model_get_entry (grub_gfxmenu_model_t model, - int index); - - #endif /* GRUB_GFXMENU_MODEL_HEADER */ + diff --cc include/grub/gfxmenu_view.h index c86334400,000000000..92cedc6a7 mode 100644,000000..100644 --- a/include/grub/gfxmenu_view.h +++ b/include/grub/gfxmenu_view.h @@@ -1,105 -1,0 +1,116 @@@ +/* 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 . + */ + +#ifndef GRUB_GFXMENU_VIEW_HEADER +#define GRUB_GFXMENU_VIEW_HEADER 1 + +#include +#include +#include +#include - #include +#include + +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, - grub_gfxmenu_model_t model); ++ grub_menu_t menu, int entry, ++ int nested); + +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); + +int grub_gfxmenu_view_execute_with_fallback (grub_gfxmenu_view_t view, + grub_menu_entry_t entry); + +int grub_gfxmenu_view_execute_entry (grub_gfxmenu_view_t view, + grub_menu_entry_t entry); + +void grub_gfxmenu_view_run_terminal (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 +#include +#include +#include +#include + +/* 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; + - grub_gfxmenu_model_t model; - - int last_seconds_remaining; - + 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 */ diff --cc include/grub/gui.h index 385c0962b,000000000..605242da6 mode 100644,000000..100644 --- a/include/grub/gui.h +++ b/include/grub/gui.h @@@ -1,179 -1,0 +1,178 @@@ +/* 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 . + */ + +#include +#include +#include +#include - #include ++#include + +#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_preferred_size) (void *self, int *width, int *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 +{ + struct grub_gui_component_ops component; + 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 +{ + struct grub_gui_component_ops component_ops; + void (*set_view_info) (void *self, - const char *theme_path, - grub_gfxmenu_model_t menu); ++ grub_gfxmenu_view_t view); +}; + +struct grub_gui_component +{ + struct grub_gui_component_ops *ops; +}; + +struct grub_gui_container +{ + struct grub_gui_container_ops *ops; +}; + +struct grub_gui_list +{ + 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 */ diff --cc include/grub/menu.h index cfe7e7cec,c7114a93b..20a1fc47f --- a/include/grub/menu.h +++ b/include/grub/menu.h @@@ -83,6 -83,6 +83,9 @@@ typedef struct grub_menu_execute_callba } *grub_menu_execute_callback_t; ++extern grub_err_t (*grub_gfxmenu_try_hook) (int entry, grub_menu_t menu, ++ int nested); ++ grub_menu_entry_t grub_menu_get_entry (grub_menu_t menu, int no); int grub_menu_get_timeout (void); diff --cc kern/term.c index 8c4e1e339,b76771d86..b973f0b63 --- a/kern/term.c +++ b/kern/term.c @@@ -131,8 -77,19 +77,21 @@@ grub_putchar (int c int grub_getkey (void) { + grub_term_input_t term; + + grub_refresh (); - return (grub_cur_term_input->getkey) (); ++ + while (1) + { + FOR_ACTIVE_TERM_INPUTS(term) + { + int key = term->checkkey (); + if (key != -1) + return term->getkey (); + } + + grub_cpu_idle (); + } } int diff --cc normal/cmdline.c index a4cb6681f,3521c3cbd..a3c7a28ec --- a/normal/cmdline.c +++ b/normal/cmdline.c @@@ -266,166 -352,217 +352,219 @@@ grub_cmdline_get (const char *prompt lpos = llen = 0; buf[0] = '\0'; - if ((grub_getxy () >> 8) != 0) - grub_putchar ('\n'); + { + grub_term_output_t term; + FOR_ACTIVE_TERM_OUTPUTS(term) + if ((grub_term_getxy (term) >> 8) != 0) + grub_putcode ('\n', term); + } grub_printf ("%s", prompt_translated); - xpos = plen; - ystart = ypos = (grub_getxy () & 0xFF); - - cl_insert (cmdline); + { + struct cmdline_term *cl_term_cur; + struct grub_term_output *cur; + nterms = 0; + FOR_ACTIVE_TERM_OUTPUTS(cur) + nterms++; + + cl_terms = grub_malloc (sizeof (cl_terms[0]) * nterms); + if (!cl_terms) + return 0; + cl_term_cur = cl_terms; + FOR_ACTIVE_TERM_OUTPUTS(cur) + { + cl_term_cur->term = cur; + init_clterm (cl_term_cur); + cl_term_cur++; + } + } - if (history && hist_used == 0) - grub_history_add (buf); + if (hist_used == 0) + grub_history_add (buf, llen); + grub_refresh (); + while ((key = GRUB_TERM_ASCII_CHAR (grub_getkey ())) != '\n' && key != '\r') { - if (readline) + switch (key) { - switch (key) + case 1: /* Ctrl-a */ + lpos = 0; + cl_set_pos_all (); + break; + + case 2: /* Ctrl-b */ + if (lpos > 0) { - case 1: /* Ctrl-a */ - lpos = 0; - cl_set_pos (); - break; + lpos--; + cl_set_pos_all (); + } + break; - case 2: /* Ctrl-b */ - if (lpos > 0) - { - lpos--; - cl_set_pos (); - } - break; + case 5: /* Ctrl-e */ + lpos = llen; + cl_set_pos_all (); + break; + + case 6: /* Ctrl-f */ + if (lpos < llen) + { + lpos++; + cl_set_pos_all (); + } + break; - case 5: /* Ctrl-e */ - lpos = llen; - cl_set_pos (); - break; + case 9: /* Ctrl-i or TAB */ + { + int restore; + char *insertu8; + char *bufu8; - case 6: /* Ctrl-f */ - if (lpos < llen) - { - lpos++; - cl_set_pos (); - } - break; + buf[lpos] = '\0'; - case 9: /* Ctrl-i or TAB */ + bufu8 = grub_ucs4_to_utf8_alloc (buf, lpos); + if (!bufu8) { - char *insert; - int restore; + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + break; + } - /* Backup the next character and make it 0 so it will - be easy to use string functions. */ - char backup = buf[lpos]; - buf[lpos] = '\0'; + insertu8 = grub_normal_do_completion (bufu8, &restore, + print_completion); + grub_free (bufu8); + if (restore) + { + /* Restore the prompt. */ + grub_printf ("\n%s", prompt_translated); + init_clterm_all (); + cl_print_all (0, 0); + } - insert = grub_normal_do_completion (buf, &restore, - print_completion); - /* Restore the original string. */ - buf[lpos] = backup; + if (insertu8) + { + grub_size_t insertlen; + grub_ssize_t t; + grub_uint32_t *insert; - if (restore) + insertlen = grub_strlen (insertu8); + insert = grub_malloc ((insertlen + 1) * sizeof (grub_uint32_t)); + if (!insert) { - /* Restore the prompt. */ - grub_printf ("\n%s %s", prompt_translated, buf); - xpos = plen; - ystart = ypos = (grub_getxy () & 0xFF); + grub_free (insertu8); + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + break; } - - if (insert) + t = grub_utf8_to_ucs4 (insert, insertlen, + (grub_uint8_t *) insertu8, + insertlen, 0); + if (t > 0) { + insert[t] = 0; cl_insert (insert); - grub_free (insert); } + + grub_free (insertu8); + grub_free (insert); } - break; + } + break; - case 11: /* Ctrl-k */ - if (lpos < llen) - { - if (kill_buf) - grub_free (kill_buf); + case 11: /* Ctrl-k */ + if (lpos < llen) + { + if (kill_buf) + grub_free (kill_buf); - kill_buf = grub_strdup (buf + lpos); + kill_buf = grub_malloc ((llen - lpos + 1) + * sizeof (grub_uint32_t)); + if (grub_errno) + { + grub_print_error (); grub_errno = GRUB_ERR_NONE; - - cl_delete (llen - lpos); } - break; - - case 14: /* Ctrl-n */ - { - char *hist; + else + { + grub_memcpy (kill_buf, buf + lpos, + (llen - lpos + 1) * sizeof (grub_uint32_t)); + kill_buf[llen - lpos] = 0; + } - lpos = 0; + cl_delete (llen - lpos); + } + break; - if (histpos > 0) - { - grub_history_replace (histpos, buf); - histpos--; - } + case 14: /* Ctrl-n */ + { + grub_uint32_t *hist; - cl_delete (llen); - hist = grub_history_get (histpos); - cl_insert (hist); + lpos = 0; - break; - } - case 16: /* Ctrl-p */ + if (histpos > 0) { - char *hist; + grub_history_replace (histpos, buf, llen); + histpos--; + } - lpos = 0; + cl_delete (llen); + hist = grub_history_get (histpos); + cl_insert (hist); - if (histpos < hist_used - 1) - { - grub_history_replace (histpos, buf); - histpos++; - } + break; + } + case 16: /* Ctrl-p */ + { + grub_uint32_t *hist; - cl_delete (llen); - hist = grub_history_get (histpos); + lpos = 0; - cl_insert (hist); + if (histpos < hist_used - 1) + { + grub_history_replace (histpos, buf, llen); + histpos++; } - break; - case 21: /* Ctrl-u */ - if (lpos > 0) - { - grub_size_t n = lpos; + cl_delete (llen); + hist = grub_history_get (histpos); - if (kill_buf) - grub_free (kill_buf); + cl_insert (hist); + } + break; - kill_buf = grub_malloc (n + 1); + case 21: /* Ctrl-u */ + if (lpos > 0) + { + grub_size_t n = lpos; + + if (kill_buf) + grub_free (kill_buf); + + kill_buf = grub_malloc (n + 1); + if (grub_errno) + { + grub_print_error (); grub_errno = GRUB_ERR_NONE; - if (kill_buf) - { - grub_memcpy (kill_buf, buf, n); - kill_buf[n] = '\0'; - } - - lpos = 0; - cl_set_pos (); - cl_delete (n); } - break; - - case 25: /* Ctrl-y */ if (kill_buf) - cl_insert (kill_buf); - break; + { + grub_memcpy (kill_buf, buf, n); + kill_buf[n] = '\0'; + } + + lpos = 0; + cl_set_pos_all (); + cl_delete (n); } - } + break; + + case 25: /* Ctrl-y */ + if (kill_buf) + cl_insert (kill_buf); + break; - switch (key) - { case '\e': return 0; diff --cc normal/menu.c index 282dddae5,62f33b61b..d671cc9fd --- a/normal/menu.c +++ b/normal/menu.c @@@ -181,9 -203,77 +205,89 @@@ grub_menu_execute_with_fallback (grub_m callback->notify_failure (callback_data); } + static struct grub_menu_viewer *viewers; + + static void + menu_set_chosen_entry (int entry) + { + struct grub_menu_viewer *cur; + for (cur = viewers; cur; cur = cur->next) + cur->set_chosen_entry (entry, cur->data); + } + + static void + menu_print_timeout (int timeout) + { + struct grub_menu_viewer *cur; + for (cur = viewers; cur; cur = cur->next) + cur->print_timeout (timeout, cur->data); + } + + static void + menu_fini (void) + { + struct grub_menu_viewer *cur, *next; + for (cur = viewers; cur; cur = next) + { + next = cur->next; + cur->fini (cur->data); + grub_free (cur); + } + viewers = NULL; + } + ++/* FIXME: allow text menu in parallel with gfxmenu. */ ++grub_err_t (*grub_gfxmenu_try_hook) (int entry, grub_menu_t menu, ++ int nested) = NULL; + static void + menu_init (int entry, grub_menu_t menu, int nested) + { + struct menu_run_callback *cb; ++ ++ if (grub_gfxmenu_try_hook) ++ { ++ if(!grub_gfxmenu_try_hook (entry, menu, nested)) ++ return; ++ grub_print_error (); ++ grub_errno = GRUB_ERR_NONE; ++ } ++ + for (cb = callbacks; cb; cb = cb->next) + cb->hook (entry, menu, nested); + } + + static void + clear_timeout (void) + { + struct grub_menu_viewer *cur; + for (cur = viewers; cur; cur = cur->next) + cur->clear_timeout (cur->data); + } + + void + grub_menu_register_viewer (struct grub_menu_viewer *viewer) + { + viewer->next = viewers; + viewers = viewer; + } + + grub_err_t + grub_menu_register_viewer_init (void (*callback) (int entry, grub_menu_t menu, + int nested)) + { + struct menu_run_callback *cb; + cb = grub_malloc (sizeof (*cb)); + if (!cb) + return grub_errno; + cb->hook = callback; + cb->next = callbacks; + callbacks = cb; + return GRUB_ERR_NONE; + } + /* Get the entry number from the variable NAME. */ static int -get_entry_number (const char *name) +get_entry_number (grub_menu_t menu, const char *name) { char *val; int entry; @@@ -229,8 -297,279 +333,279 @@@ return entry; } - int - grub_menu_get_default_entry_index (grub_menu_t menu) + #define GRUB_MENU_PAGE_SIZE 10 + + /* Show the menu and handle menu entry selection. Returns the menu entry + index that should be executed or -1 if no entry should be executed (e.g., + Esc pressed to exit a sub-menu or switching menu viewers). + If the return value is not -1, then *AUTO_BOOT is nonzero iff the menu + entry to be executed is a result of an automatic default selection because + of the timeout. */ + static int + run_menu (grub_menu_t menu, int nested, int *auto_boot) + { + grub_uint64_t saved_time; + int default_entry, current_entry; + int timeout; + - default_entry = get_entry_number ("default"); ++ default_entry = get_entry_number (menu, "default"); + + /* If DEFAULT_ENTRY is not within the menu entries, fall back to + the first entry. */ + if (default_entry < 0 || default_entry >= menu->size) + default_entry = 0; + + /* If timeout is 0, drawing is pointless (and ugly). */ + if (grub_menu_get_timeout () == 0) + { + *auto_boot = 1; + return default_entry; + } + + current_entry = default_entry; + + /* Initialize the time. */ + saved_time = grub_get_time_ms (); + + refresh: + menu_init (current_entry, menu, nested); + + timeout = grub_menu_get_timeout (); + + if (timeout > 0) + menu_print_timeout (timeout); + + while (1) + { + int c; + timeout = grub_menu_get_timeout (); + + if (grub_normal_exit_level) + return -1; + + if (timeout > 0) + { + grub_uint64_t current_time; + + current_time = grub_get_time_ms (); + if (current_time - saved_time >= 1000) + { + timeout--; + grub_menu_set_timeout (timeout); + saved_time = current_time; + menu_print_timeout (timeout); + } + } + + if (timeout == 0) + { + grub_env_unset ("timeout"); + *auto_boot = 1; + menu_fini (); + return default_entry; + } + + if (grub_checkkey () >= 0 || timeout < 0) + { + c = GRUB_TERM_ASCII_CHAR (grub_getkey ()); + + if (timeout >= 0) + { + grub_env_unset ("timeout"); + grub_env_unset ("fallback"); + clear_timeout (); + } + + switch (c) + { + case GRUB_TERM_HOME: + current_entry = 0; + menu_set_chosen_entry (current_entry); + break; + + case GRUB_TERM_END: + current_entry = menu->size - 1; + menu_set_chosen_entry (current_entry); + break; + + case GRUB_TERM_UP: + case '^': + if (current_entry > 0) + current_entry--; + menu_set_chosen_entry (current_entry); + break; + + case GRUB_TERM_DOWN: + case 'v': + if (current_entry < menu->size - 1) + current_entry++; + menu_set_chosen_entry (current_entry); + break; + + case GRUB_TERM_PPAGE: + if (current_entry < GRUB_MENU_PAGE_SIZE) + current_entry = 0; + else + current_entry -= GRUB_MENU_PAGE_SIZE; + menu_set_chosen_entry (current_entry); + break; + + case GRUB_TERM_NPAGE: + if (current_entry + GRUB_MENU_PAGE_SIZE < menu->size) + current_entry += GRUB_MENU_PAGE_SIZE; + else + current_entry = menu->size - 1; + menu_set_chosen_entry (current_entry); + break; + + case '\n': + case '\r': + case 6: + menu_fini (); + *auto_boot = 0; + return current_entry; + + case '\e': + if (nested) + { + menu_fini (); + return -1; + } + break; + + case 'c': + menu_fini (); + grub_cmdline_run (1); + goto refresh; + + case 'e': + menu_fini (); + { + grub_menu_entry_t e = grub_menu_get_entry (menu, current_entry); + if (e) + grub_menu_entry_run (e); + } + goto refresh; + + default: + break; + } + } + } + + /* Never reach here. */ + return -1; + } + + /* Callback invoked immediately before a menu entry is executed. */ + static void + notify_booting (grub_menu_entry_t entry, + void *userdata __attribute__((unused))) + { + grub_printf (" "); + grub_printf_ (N_("Booting \'%s\'"), entry->title); + grub_printf ("\n\n"); + } + + /* Callback invoked when a default menu entry executed because of a timeout + has failed and an attempt will be made to execute the next fallback + entry, ENTRY. */ + static void + notify_fallback (grub_menu_entry_t entry, + void *userdata __attribute__((unused))) { - return get_entry_number (menu, "default"); + grub_printf ("\n "); + grub_printf_ (N_("Falling back to \'%s\'"), entry->title); + grub_printf ("\n\n"); + grub_millisleep (DEFAULT_ENTRY_ERROR_DELAY_MS); + } + + /* Callback invoked when a menu entry has failed and there is no remaining + fallback entry to attempt. */ + static void + notify_execution_failure (void *userdata __attribute__((unused))) + { + if (grub_errno != GRUB_ERR_NONE) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + } + grub_printf ("\n "); + grub_printf_ (N_("Failed to boot default entries.\n")); + grub_wait_after_message (); + } + + /* Callbacks used by the text menu to provide user feedback when menu entries + are executed. */ + static struct grub_menu_execute_callback execution_callback = + { + .notify_booting = notify_booting, + .notify_fallback = notify_fallback, + .notify_failure = notify_execution_failure + }; + + static grub_err_t + show_menu (grub_menu_t menu, int nested) + { + while (1) + { + int boot_entry; + grub_menu_entry_t e; + int auto_boot; + + boot_entry = run_menu (menu, nested, &auto_boot); + if (boot_entry < 0) + break; + + e = grub_menu_get_entry (menu, boot_entry); + if (! e) + continue; /* Menu is empty. */ + + grub_cls (); + + if (auto_boot) + { + grub_menu_execute_with_fallback (menu, e, &execution_callback, 0); + } + else + { + grub_errno = GRUB_ERR_NONE; + grub_menu_execute_entry (e); + if (grub_errno != GRUB_ERR_NONE) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + grub_wait_after_message (); + } + } + } + + return GRUB_ERR_NONE; + } + + grub_err_t + grub_show_menu (grub_menu_t menu, int nested) + { + grub_err_t err1, err2; + + while (1) + { + err1 = show_menu (menu, nested); + grub_print_error (); + + if (grub_normal_exit_level) + break; + + err2 = grub_auth_check_authentication (NULL); + if (err2) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + continue; + } + + break; + } + + return err1; } diff --cc normal/menu_viewer.c index 7a547a764,b600e7500..e69de29bb --- a/normal/menu_viewer.c +++ b/normal/menu_viewer.c @@@ -1,112 -1,26 +1,0 @@@ --/* -- * GRUB -- GRand Unified Bootloader -- * Copyright (C) 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 . -- */ -- --#include --#include --#include --#include --#include --#include - - /* The list of menu viewers. */ - static grub_menu_viewer_t menu_viewer_list; - - static int should_return; - static int menu_viewer_changed; - - void - grub_menu_viewer_register (grub_menu_viewer_t viewer) - { - viewer->next = menu_viewer_list; - menu_viewer_list = viewer; - } - - static grub_menu_viewer_t get_current_menu_viewer (void) - { - const char *selected_name = grub_env_get ("menuviewer"); - - /* If none selected, pick the last registered one. */ - if (selected_name == 0) - return menu_viewer_list; - - grub_menu_viewer_t cur; - for (cur = menu_viewer_list; cur; cur = cur->next) - { - if (grub_strcmp (cur->name, selected_name) == 0) - return cur; - } - - /* Fall back to the first entry (or null). */ - return menu_viewer_list; - } - - grub_err_t - grub_menu_viewer_show_menu (grub_menu_t menu, int nested) - { - grub_err_t err1, err2; - - while (1) - { - grub_menu_viewer_t cur = get_current_menu_viewer (); - if (!cur) - return grub_error (GRUB_ERR_BAD_ARGUMENT, "No menu viewer available."); - - menu_viewer_changed = 0; - should_return = 0; - - err1 = cur->show_menu (menu, nested); - grub_print_error (); - - if (menu_viewer_changed) - continue; - - err2 = grub_auth_check_authentication (NULL); - if (err2) - { - grub_print_error (); - grub_errno = GRUB_ERR_NONE; - continue; - } - - break; - } - - return err1; - } - - int - grub_menu_viewer_should_return (void) - { - return should_return; - } - - static char * - menuviewer_write_hook (struct grub_env_var *var __attribute__ ((unused)), - const char *val) - { - menu_viewer_changed = 1; - should_return = 1; - return grub_strdup (val); - } -- - void - grub_menu_viewer_init (void) - { - grub_register_variable_hook ("menuviewer", 0, menuviewer_write_hook); - } --