diff options
Diffstat (limited to 'grub-core/gfxmenu/gui_list.c')
| -rw-r--r-- | grub-core/gfxmenu/gui_list.c | 953 |
1 files changed, 953 insertions, 0 deletions
diff --git a/grub-core/gfxmenu/gui_list.c b/grub-core/gfxmenu/gui_list.c new file mode 100644 index 0000000..df334a6 --- /dev/null +++ b/grub-core/gfxmenu/gui_list.c @@ -0,0 +1,953 @@ +/* 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 <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/gui.h> +#include <grub/gui_string_util.h> +#include <grub/gfxmenu_view.h> +#include <grub/gfxwidgets.h> +#include <grub/color.h> + +enum scrollbar_slice_mode { + SCROLLBAR_SLICE_WEST, + SCROLLBAR_SLICE_CENTER, + SCROLLBAR_SLICE_EAST +}; + +struct grub_gui_list_impl +{ + struct grub_gui_list list; + + grub_gui_container_t parent; + grub_video_rect_t bounds; + char *id; + 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; + int selected_item_font_inherit; + grub_font_t selected_item_font; + grub_video_rgba_color_t item_color; + int selected_item_color_inherit; + grub_video_rgba_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_thumb_overlay; + int scrollbar_width; + enum scrollbar_slice_mode scrollbar_slice; + int scrollbar_left_pad; + int scrollbar_right_pad; + int scrollbar_top_pad; + int scrollbar_bottom_pad; + + int first_shown_index; + + int need_to_recreate_boxes; + char *theme_dir; + char *menu_box_pattern; + char *item_box_pattern; + int selected_item_box_pattern_inherit; + char *selected_item_box_pattern; + grub_gfxmenu_box_t menu_box; + grub_gfxmenu_box_t selected_item_box; + grub_gfxmenu_box_t item_box; + + grub_gfxmenu_icon_manager_t icon_manager; + + 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->item_box_pattern); + grub_free (self->selected_item_box_pattern); + if (self->menu_box) + self->menu_box->destroy (self->menu_box); + if (self->item_box) + self->item_box->destroy (self->item_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); + if (self->scrollbar_thumb) + self->scrollbar_thumb->destroy (self->scrollbar_thumb); + if (self->scrollbar_frame) + self->scrollbar_frame->destroy (self->scrollbar_frame); + grub_free (self->scrollbar_thumb_pattern); + grub_free (self->scrollbar_frame_pattern); + grub_free (self); +} + +static int +get_num_shown_items (list_impl_t self) +{ + int boxpad = self->item_padding; + int item_vspace = self->item_spacing; + int item_height = self->item_height; + + grub_gfxmenu_box_t box = self->menu_box; + int box_top_pad = box->get_top_pad (box); + int box_bottom_pad = box->get_bottom_pad (box); + grub_gfxmenu_box_t itembox = self->item_box; + grub_gfxmenu_box_t selbox = self->selected_item_box; + int item_top_pad = itembox->get_top_pad (itembox); + int item_bottom_pad = itembox->get_bottom_pad (itembox); + int sel_top_pad = selbox->get_top_pad (selbox); + int sel_bottom_pad = selbox->get_bottom_pad (selbox); + int max_top_pad = grub_max (item_top_pad, sel_top_pad); + int max_bottom_pad = grub_max (item_bottom_pad, sel_bottom_pad); + + if (item_height + item_vspace <= 0) + return 1; + + return (self->bounds.height + item_vspace - 2 * boxpad + - max_top_pad - max_bottom_pad + - box_top_pad - box_bottom_pad) / (item_height + item_vspace); +} + +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->item_box, + self->item_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 + && self->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; + } + + if (self->scrollbar_frame == 0 || self->scrollbar_thumb == 0) + return 0; + + /* Sanity checks. */ + grub_gfxmenu_box_t frame = self->scrollbar_frame; + grub_gfxmenu_box_t thumb = self->scrollbar_thumb; + grub_gfxmenu_box_t menu = self->menu_box; + int min_width = frame->get_left_pad (frame) + + frame->get_right_pad (frame); + int min_height = frame->get_top_pad (frame) + + frame->get_bottom_pad (frame) + + self->scrollbar_top_pad + self->scrollbar_bottom_pad + + menu->get_top_pad (menu) + + menu->get_bottom_pad (menu); + if (!self->scrollbar_thumb_overlay) + { + min_width += thumb->get_left_pad (thumb) + + thumb->get_right_pad (thumb); + min_height += thumb->get_top_pad (thumb) + + thumb->get_bottom_pad (thumb); + } + if (min_width <= self->scrollbar_width + && min_height <= (int) self->bounds.height) + return 1; + + /* Unprintable dimenstions. */ + self->draw_scrollbar = 0; + return 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_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 = 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 scrollbar_width, int scrollbar_height) +{ + unsigned thumby, thumbheight; + + 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)); + unsigned thumb_vertical_pad = (thumb->get_top_pad (thumb) + + thumb->get_bottom_pad (thumb)); + int thumb_horizontal_pad = (thumb->get_left_pad (thumb) + + thumb->get_right_pad (thumb)); + int tracktop = frame->get_top_pad (frame); + unsigned tracklen; + if (scrollbar_height <= frame_vertical_pad) + tracklen = 0; + else + tracklen = scrollbar_height - frame_vertical_pad; + frame->set_content_size (frame, + scrollbar_width - frame_horizontal_pad, + tracklen); + if (self->scrollbar_thumb_overlay) + { + tracklen += thumb_vertical_pad; + tracktop -= thumb->get_top_pad (thumb); + } + if (value <= min || max <= min) + thumby = 0; + else + thumby = ((unsigned) tracklen * (value - min)) + / ((unsigned) (max - min)); + if (max <= min) + thumbheight = 1; + else + thumbheight = ((unsigned) (tracklen * extent) + / ((unsigned) (max - min))) + 1; + /* Rare occasion: too many entries or too low height. */ + if (thumbheight < thumb_vertical_pad) + { + thumbheight = thumb_vertical_pad; + if (value <= min || max <= extent + || tracklen <= thumb_vertical_pad) + thumby = 0; + else + thumby = ((unsigned) ((tracklen - thumb_vertical_pad) * (value - min)) + / ((unsigned)(max - extent))); + } + thumby += tracktop; + int thumbx = frame->get_left_pad (frame); + int thumbwidth = scrollbar_width - frame_horizontal_pad; + if (!self->scrollbar_thumb_overlay) + thumbwidth -= thumb_horizontal_pad; + else + thumbx -= thumb->get_left_pad (thumb); + thumb->set_content_size (thumb, thumbwidth, + thumbheight - thumb_vertical_pad); + frame->draw (frame, 0, 0); + thumb->draw (thumb, thumbx, thumby); +} + +/* Draw the list of items. */ +static void +draw_menu (list_impl_t self, int num_shown_items) +{ + if (! self->menu_box || ! self->selected_item_box || ! self->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 selected_ascent = grub_font_get_ascent (self->selected_item_font); + int selected_descent = grub_font_get_descent (self->selected_item_font); + int text_box_height = self->item_height; + + make_selected_item_visible (self); + + grub_gfxmenu_box_t itembox = self->item_box; + grub_gfxmenu_box_t selbox = self->selected_item_box; + int item_leftpad = itembox->get_left_pad (itembox); + int item_rightpad = itembox->get_right_pad (itembox); + int item_border_width = item_leftpad + item_rightpad; + int item_toppad = itembox->get_top_pad (itembox); + int sel_leftpad = selbox->get_left_pad (selbox); + int sel_rightpad = selbox->get_right_pad (selbox); + int sel_border_width = sel_leftpad + sel_rightpad; + int sel_toppad = selbox->get_top_pad (selbox); + + int max_leftpad = grub_max (item_leftpad, sel_leftpad); + int max_toppad = grub_max (item_toppad, sel_toppad); + int item_top = 0; + int menu_index; + int visible_index; + struct grub_video_rect oviewport; + + grub_video_get_viewport (&oviewport.x, &oviewport.y, + &oviewport.width, &oviewport.height); + grub_video_set_viewport (oviewport.x + boxpad, + oviewport.y + boxpad, + oviewport.width - 2 * boxpad, + oviewport.height - 2 * boxpad); + + int cwidth = oviewport.width - 2 * boxpad; + + itembox->set_content_size (itembox, cwidth - item_border_width, + text_box_height); + selbox->set_content_size (selbox, cwidth - sel_border_width, + text_box_height); + + int text_left_offset = self->icon_width + icon_text_space; + int item_text_top_offset = (text_box_height - (ascent + descent)) / 2 + ascent; + int sel_text_top_offset = (text_box_height - (selected_ascent + + selected_descent)) / 2 + + selected_ascent; + + grub_video_rect_t svpsave, sviewport; + sviewport.x = max_leftpad + text_left_offset; + int text_viewport_width = cwidth - sviewport.x; + sviewport.height = text_box_height; + + grub_video_color_t item_color; + grub_video_color_t sel_color; + item_color = grub_video_map_rgba_color (self->item_color); + sel_color = grub_video_map_rgba_color (self->selected_item_color); + + int item_box_top_offset = max_toppad - item_toppad; + int sel_box_top_offset = max_toppad - sel_toppad; + int item_viewport_width = text_viewport_width - item_rightpad; + int sel_viewport_width = text_viewport_width - sel_rightpad; + int tmp_icon_top_offset = (text_box_height - self->icon_height) / 2; + int item_icon_top_offset = item_toppad + tmp_icon_top_offset; + int sel_icon_top_offset = sel_toppad + tmp_icon_top_offset; + + for (visible_index = 0, menu_index = self->first_shown_index; + visible_index < num_shown_items && menu_index < self->view->menu->size; + visible_index++, menu_index++) + { + int is_selected = (menu_index == self->view->selected); + struct grub_video_bitmap *icon; + grub_font_t font; + grub_video_color_t color; + int text_top_offset; + int top_pad; + int icon_top_offset; + int viewport_width; + + if (is_selected) + { + selbox->draw (selbox, 0, item_top + sel_box_top_offset); + font = self->selected_item_font; + color = sel_color; + text_top_offset = sel_text_top_offset; + top_pad = sel_toppad; + icon_top_offset = sel_icon_top_offset; + viewport_width = sel_viewport_width; + } + else + { + itembox->draw (itembox, 0, item_top + item_box_top_offset); + font = self->item_font; + color = item_color; + text_top_offset = item_text_top_offset; + top_pad = item_toppad; + icon_top_offset = item_icon_top_offset; + viewport_width = item_viewport_width; + } + + icon = get_item_icon (self, menu_index); + if (icon != 0) + grub_video_blit_bitmap (icon, GRUB_VIDEO_BLIT_BLEND, + max_leftpad, + item_top + icon_top_offset, + 0, 0, self->icon_width, self->icon_height); + + const char *item_title = + grub_menu_get_entry (self->view->menu, menu_index)->title; + + sviewport.y = item_top + top_pad; + sviewport.width = viewport_width; + grub_gui_set_viewport (&sviewport, &svpsave); + grub_font_draw_string (item_title, + font, + color, + 0, + text_top_offset); + grub_gui_restore_viewport (&svpsave); + + item_top += text_box_height + item_vspace; + } + grub_video_set_viewport (oviewport.x, + oviewport.y, + oviewport.width, + oviewport.height); +} + +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); + + if (! self->menu_box || ! self->selected_item_box || ! self->item_box) + return; + + grub_gui_set_viewport (&self->bounds, &vpsave); + { + 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); + grub_video_rect_t vpsave2, content_rect; + int num_shown_items = get_num_shown_items (self); + int drawing_scrollbar = (self->draw_scrollbar + && (num_shown_items < self->view->menu->size) + && check_scrollbar (self)); + int scrollbar_width = self->scrollbar_width; + + content_rect.x = box_left_pad; + content_rect.y = box_top_pad; + content_rect.width = self->bounds.width - box_left_pad - box_right_pad; + content_rect.height = self->bounds.height - box_top_pad - box_bottom_pad; + + box->set_content_size (box, content_rect.width, content_rect.height); + + box->draw (box, 0, 0); + + switch (self->scrollbar_slice) + { + case SCROLLBAR_SLICE_WEST: + content_rect.x += self->scrollbar_right_pad; + content_rect.width -= self->scrollbar_right_pad; + break; + case SCROLLBAR_SLICE_CENTER: + if (drawing_scrollbar) + content_rect.width -= scrollbar_width + self->scrollbar_left_pad + + self->scrollbar_right_pad; + break; + case SCROLLBAR_SLICE_EAST: + content_rect.width -= self->scrollbar_left_pad; + break; + } + + grub_gui_set_viewport (&content_rect, &vpsave2); + draw_menu (self, num_shown_items); + grub_gui_restore_viewport (&vpsave2); + + if (drawing_scrollbar) + { + content_rect.y += self->scrollbar_top_pad; + content_rect.height -= self->scrollbar_top_pad + + self->scrollbar_bottom_pad; + content_rect.width = scrollbar_width; + switch (self->scrollbar_slice) + { + case SCROLLBAR_SLICE_WEST: + if (box_left_pad > scrollbar_width) + { + content_rect.x = box_left_pad - scrollbar_width; + content_rect.width = scrollbar_width; + } + else + { + content_rect.x = 0; + content_rect.width = box_left_pad; + } + break; + case SCROLLBAR_SLICE_CENTER: + content_rect.x = self->bounds.width - box_right_pad + - scrollbar_width - self->scrollbar_right_pad; + content_rect.width = scrollbar_width; + break; + case SCROLLBAR_SLICE_EAST: + content_rect.x = self->bounds.width - box_right_pad; + content_rect.width = box_right_pad; + break; + } + + grub_gui_set_viewport (&content_rect, &vpsave2); + draw_scrollbar (self, + self->first_shown_index, num_shown_items, + 0, self->view->menu->size, + scrollbar_width, + content_rect.height); + grub_gui_restore_viewport (&vpsave2); + } + } + + 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_minimal_size (void *vself, unsigned *width, unsigned *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 = 3; + + 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); + unsigned width_s; + + grub_gfxmenu_box_t selbox = self->selected_item_box; + int sel_top_pad = selbox->get_top_pad (selbox); + int sel_bottom_pad = selbox->get_bottom_pad (selbox); + int sel_left_pad = selbox->get_left_pad (selbox); + int sel_right_pad = selbox->get_right_pad (selbox); + + grub_gfxmenu_box_t itembox = self->item_box; + int item_top_pad = itembox->get_top_pad (itembox); + int item_bottom_pad = itembox->get_bottom_pad (itembox); + int item_left_pad = itembox->get_left_pad (itembox); + int item_right_pad = itembox->get_right_pad (itembox); + + int max_left_pad = grub_max (item_left_pad, sel_left_pad); + int max_right_pad = grub_max (item_right_pad, sel_right_pad); + int max_top_pad = grub_max (item_top_pad, sel_top_pad); + int max_bottom_pad = grub_max (item_bottom_pad, sel_bottom_pad); + + *width = grub_font_get_string_width (self->item_font, "Typical OS"); + width_s = grub_font_get_string_width (self->selected_item_font, + "Typical OS"); + if (*width < width_s) + *width = width_s; + + *width += 2 * boxpad + box_left_pad + box_right_pad + + max_left_pad + max_right_pad + + self->item_icon_space + self->icon_width; + + switch (self->scrollbar_slice) + { + case SCROLLBAR_SLICE_WEST: + *width += self->scrollbar_right_pad; + break; + case SCROLLBAR_SLICE_CENTER: + *width += self->scrollbar_width + self->scrollbar_left_pad + + self->scrollbar_right_pad; + break; + case SCROLLBAR_SLICE_EAST: + *width += self->scrollbar_left_pad; + break; + } + + /* 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 + + max_top_pad + max_bottom_pad); + } + else + { + *width = 0; + *height = 0; + } +} + +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); + if (self->selected_item_font_inherit) + self->selected_item_font = self->item_font; + } + else if (grub_strcmp (name, "selected_item_font") == 0) + { + if (! value || grub_strcmp (value, "inherit") == 0) + { + self->selected_item_font = self->item_font; + self->selected_item_font_inherit = 1; + } + else + { + self->selected_item_font = grub_font_get (value); + self->selected_item_font_inherit = 0; + } + } + else if (grub_strcmp (name, "item_color") == 0) + { + grub_video_rgba_color_t color; + if (grub_video_parse_color (value, &color) == GRUB_ERR_NONE) + { + self->item_color = color; + if (self->selected_item_color_inherit) + self->selected_item_color = self->item_color; + } + } + else if (grub_strcmp (name, "selected_item_color") == 0) + { + if (! value || grub_strcmp (value, "inherit") == 0) + { + self->selected_item_color = self->item_color; + self->selected_item_color_inherit = 1; + } + else + { + grub_video_rgba_color_t color; + if (grub_video_parse_color (value, &color) + == GRUB_ERR_NONE) + { + self->selected_item_color = color; + self->selected_item_color_inherit = 0; + } + } + } + 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, "item_pixmap_style") == 0) + { + self->need_to_recreate_boxes = 1; + grub_free (self->item_box_pattern); + self->item_box_pattern = value ? grub_strdup (value) : 0; + if (self->selected_item_box_pattern_inherit) + { + grub_free (self->selected_item_box_pattern); + self->selected_item_box_pattern = value ? grub_strdup (value) : 0; + } + } + else if (grub_strcmp (name, "selected_item_pixmap_style") == 0) + { + if (!value || grub_strcmp (value, "inherit") == 0) + { + grub_free (self->selected_item_box_pattern); + char *tmp = self->item_box_pattern; + self->selected_item_box_pattern = tmp ? grub_strdup (tmp) : 0; + self->selected_item_box_pattern_inherit = 1; + } + else + { + self->need_to_recreate_boxes = 1; + grub_free (self->selected_item_box_pattern); + self->selected_item_box_pattern = grub_strdup (value); + self->selected_item_box_pattern_inherit = 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_thumb_overlay") == 0) + { + self->scrollbar_thumb_overlay = grub_strcmp (value, "true") == 0; + } + else if (grub_strcmp (name, "scrollbar_width") == 0) + { + self->scrollbar_width = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "scrollbar_slice") == 0) + { + if (grub_strcmp (value, "west") == 0) + self->scrollbar_slice = SCROLLBAR_SLICE_WEST; + else if (grub_strcmp (value, "center") == 0) + self->scrollbar_slice = SCROLLBAR_SLICE_CENTER; + else if (grub_strcmp (value, "east") == 0) + self->scrollbar_slice = SCROLLBAR_SLICE_EAST; + } + else if (grub_strcmp (name, "scrollbar_left_pad") == 0) + { + self->scrollbar_left_pad = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "scrollbar_right_pad") == 0) + { + self->scrollbar_right_pad = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "scrollbar_top_pad") == 0) + { + self->scrollbar_top_pad = grub_strtol (value, 0, 10); + } + else if (grub_strcmp (name, "scrollbar_bottom_pad") == 0) + { + self->scrollbar_bottom_pad = 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, "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, "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, + grub_gfxmenu_view_t view) +{ + list_impl_t self = vself; + grub_gfxmenu_icon_manager_set_theme_path (self->icon_manager, + view->theme_path); + self->view = view; +} + +/* Refresh list variables */ +static void +list_refresh_info (void *vself, + grub_gfxmenu_view_t view) +{ + list_impl_t self = vself; + if (view->nested) + self->first_shown_index = 0; +} + +static struct grub_gui_component_ops list_comp_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_minimal_size = list_get_minimal_size, + .set_property = list_set_property + }; + +static struct grub_gui_list_ops list_ops = +{ + .set_view_info = list_set_view_info, + .refresh_list = list_refresh_info +}; + +grub_gui_component_t +grub_gui_list_new (void) +{ + list_impl_t self; + grub_font_t default_font; + grub_video_rgba_color_t default_fg_color; + + self = grub_zalloc (sizeof (*self)); + if (! self) + return 0; + + self->list.ops = &list_ops; + self->list.component.ops = &list_comp_ops; + + self->visible = 1; + + default_font = grub_font_get ("Unknown Regular 16"); + default_fg_color = grub_video_rgba_color_rgb (0, 0, 0); + + 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_inherit = 1; /* Default to using the item_font. */ + self->selected_item_font = default_font; + self->item_color = default_fg_color; + self->selected_item_color_inherit = 1; /* 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_thumb_overlay = 0; + self->scrollbar_width = 16; + self->scrollbar_slice = SCROLLBAR_SLICE_EAST; + self->scrollbar_left_pad = 2; + self->scrollbar_right_pad = 0; + self->scrollbar_top_pad = 0; + self->scrollbar_bottom_pad = 0; + + self->first_shown_index = 0; + + self->need_to_recreate_boxes = 0; + self->theme_dir = 0; + self->menu_box_pattern = 0; + self->item_box_pattern = 0; + self->selected_item_box_pattern_inherit = 1;/*Default to using the item_box.*/ + self->selected_item_box_pattern = 0; + self->menu_box = grub_gfxmenu_create_box (0, 0); + self->item_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.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; +} |