diff options
Diffstat (limited to 'grub-core/gfxmenu/gui_progress_bar.c')
| -rw-r--r-- | grub-core/gfxmenu/gui_progress_bar.c | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/grub-core/gfxmenu/gui_progress_bar.c b/grub-core/gfxmenu/gui_progress_bar.c new file mode 100644 index 0000000..ace85a1 --- /dev/null +++ b/grub-core/gfxmenu/gui_progress_bar.c @@ -0,0 +1,457 @@ +/* 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 <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/gui.h> +#include <grub/font.h> +#include <grub/gui_string_util.h> +#include <grub/gfxmenu_view.h> +#include <grub/gfxwidgets.h> +#include <grub/i18n.h> +#include <grub/color.h> + +struct grub_gui_progress_bar +{ + struct grub_gui_progress progress; + + grub_gui_container_t parent; + grub_video_rect_t bounds; + char *id; + int visible; + int start; + int end; + int value; + char *template; + grub_font_t font; + grub_video_rgba_color_t text_color; + grub_video_rgba_color_t border_color; + grub_video_rgba_color_t bg_color; + grub_video_rgba_color_t fg_color; + + char *theme_dir; + int need_to_recreate_pixmaps; + int pixmapbar_available; + char *bar_pattern; + char *highlight_pattern; + grub_gfxmenu_box_t bar_box; + grub_gfxmenu_box_t highlight_box; + int highlight_overlay; +}; + +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->theme_dir); + grub_free (self->template); + grub_free (self->id); + grub_gfxmenu_timeout_unregister ((grub_gui_component_t) self); + 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->pixmapbar_available) + return 0; + 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_video_map_rgba_color (self->border_color), + f.x - 1, f.y - 1, + f.width + 2, f.height + 2); + + /* Bar background. */ + unsigned barwidth; + + if (self->end <= self->start + || self->value <= self->start) + barwidth = 0; + else + barwidth = (f.width + * (self->value - self->start) + / (self->end - self->start)); + grub_video_fill_rect (grub_video_map_rgba_color (self->bg_color), + f.x + barwidth, f.y, + f.width - barwidth, f.height); + + /* Bar foreground. */ + grub_video_fill_rect (grub_video_map_rgba_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 hl_l_pad = hl->get_left_pad (hl); + int hl_r_pad = hl->get_right_pad (hl); + int hl_t_pad = hl->get_top_pad (hl); + int hl_b_pad = hl->get_bottom_pad (hl); + int hl_h_pad = hl_l_pad + hl_r_pad; + int hl_v_pad = hl_t_pad + hl_b_pad; + int tracklen = w - bar_h_pad; + int trackheight = h - bar_v_pad; + int barwidth; + int hlheight = trackheight; + int hlx = bar_l_pad; + int hly = bar_t_pad; + + bar->set_content_size (bar, tracklen, trackheight); + bar->draw (bar, 0, 0); + + if (self->highlight_overlay) + { + tracklen += hl_h_pad; + hlx -= hl_l_pad; + hly -= hl_t_pad; + } + else + hlheight -= hl_v_pad; + + if (self->value <= self->start + || self->end <= self->start) + barwidth = 0; + else + barwidth = ((unsigned) (tracklen * (self->value - self->start)) + / ((unsigned) (self->end - self->start))); + + if (barwidth >= hl_h_pad) + { + hl->set_content_size (hl, barwidth - hl_h_pad, hlheight); + hl->draw (hl, hlx, hly); + } +} + +#pragma GCC diagnostic ignored "-Wformat-nonliteral" + +static void +draw_text (grub_gui_progress_bar_t self) +{ + if (self->template) + { + grub_font_t font = self->font; + grub_video_color_t text_color = + grub_video_map_rgba_color (self->text_color); + int width = self->bounds.width; + int height = self->bounds.height; + char *text; + text = grub_xasprintf (self->template, + self->value > 0 ? self->value : -self->value); + if (!text) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + return; + } + /* 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); + grub_free (text); + } +} + +#pragma GCC diagnostic error "-Wformat-nonliteral" + +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; + + if (self->end == self->start) + return; + + 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_minimal_size (void *vself, + unsigned *width, unsigned *height) +{ + unsigned min_width = 0; + unsigned min_height = 0; + grub_gui_progress_bar_t self = vself; + + if (self->template) + { + min_width = grub_font_get_string_width (self->font, self->template); + min_width += grub_font_get_string_width (self->font, "XXXXXXXXXX"); + min_height = grub_font_get_descent (self->font) + + grub_font_get_ascent (self->font); + } + if (check_pixmaps (self)) + { + grub_gfxmenu_box_t bar = self->bar_box; + grub_gfxmenu_box_t hl = self->highlight_box; + min_width += bar->get_left_pad (bar) + bar->get_right_pad (bar); + min_height += bar->get_top_pad (bar) + bar->get_bottom_pad (bar); + if (!self->highlight_overlay) + { + min_width += hl->get_left_pad (hl) + hl->get_right_pad (hl); + min_height += hl->get_top_pad (hl) + hl->get_bottom_pad (hl); + } + } + else + { + min_height += 2; + min_width += 2; + } + *width = 200; + if (*width < min_width) + *width = min_width; + *height = 28; + if (*height < min_height) + *height = min_height; +} + +static void +progress_bar_set_state (void *vself, int visible, int start, + int current, int end) +{ + grub_gui_progress_bar_t self = vself; + self->visible = visible; + self->start = start; + self->value = current; + self->end = end; +} + +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, "text") == 0) + { + grub_free (self->template); + if (grub_strcmp (value, "@TIMEOUT_NOTIFICATION_LONG@") == 0) + value + = _("The highlighted entry will be executed automatically in %ds."); + else if (grub_strcmp (value, "@TIMEOUT_NOTIFICATION_MIDDLE@") == 0) + /* TRANSLATORS: 's' stands for seconds. + It's a standalone timeout notification. + Please use the short form in your language. */ + value = _("%ds remaining."); + else if (grub_strcmp (value, "@TIMEOUT_NOTIFICATION_SHORT@") == 0) + /* TRANSLATORS: 's' stands for seconds. + It's a standalone timeout notification. + Please use the shortest form available in you language. */ + value = _("%ds"); + + if (grub_printf_fmt_check(value, "%d") != GRUB_ERR_NONE) + value = ""; /* Unsupported format. */ + + self->template = 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_video_parse_color (value, &self->text_color); + } + else if (grub_strcmp (name, "border_color") == 0) + { + grub_video_parse_color (value, &self->border_color); + } + else if (grub_strcmp (name, "bg_color") == 0) + { + grub_video_parse_color (value, &self->bg_color); + } + else if (grub_strcmp (name, "fg_color") == 0) + { + grub_video_parse_color (value, &self->fg_color); + } + else if (grub_strcmp (name, "bar_style") == 0) + { + self->need_to_recreate_pixmaps = 1; + self->pixmapbar_available = 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; + self->pixmapbar_available = 1; + grub_free (self->highlight_pattern); + self->highlight_pattern = value ? grub_strdup (value) : 0; + } + else if (grub_strcmp (name, "highlight_overlay") == 0) + { + self->highlight_overlay = grub_strcmp (value, "true") == 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, "id") == 0) + { + grub_gfxmenu_timeout_unregister ((grub_gui_component_t) self); + grub_free (self->id); + if (value) + self->id = grub_strdup (value); + else + self->id = 0; + if (self->id && grub_strcmp (self->id, GRUB_GFXMENU_TIMEOUT_COMPONENT_ID) + == 0) + grub_gfxmenu_timeout_register ((grub_gui_component_t) self, + progress_bar_set_state); + } + 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_minimal_size = progress_bar_get_minimal_size, + .set_property = progress_bar_set_property +}; + +static struct grub_gui_progress_ops progress_bar_pb_ops = + { + .set_state = progress_bar_set_state + }; + +grub_gui_component_t +grub_gui_progress_bar_new (void) +{ + grub_gui_progress_bar_t self; + self = grub_zalloc (sizeof (*self)); + if (! self) + return 0; + + self->progress.ops = &progress_bar_pb_ops; + self->progress.component.ops = &progress_bar_ops; + self->visible = 1; + self->font = grub_font_get ("Unknown Regular 16"); + grub_video_rgba_color_t black = { .red = 0, .green = 0, .blue = 0, .alpha = 255 }; + grub_video_rgba_color_t gray = { .red = 128, .green = 128, .blue = 128, .alpha = 255 }; + grub_video_rgba_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->highlight_overlay = 0; + + return (grub_gui_component_t) self; +} |