--- /dev/null
- char *text = grub_malloc (grub_strlen (self->template) + 10);
+/* 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>
+
+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;
+ int show_text;
+ char *template;
+ 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;
+ int pixmapbar_available;
+ 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->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_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;
+
+ bar->set_content_size (bar, tracklen, trackheight);
+
+ 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)
+{
+ if (self->template)
+ {
+ 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;
- grub_sprintf (text, self->template,
- self->value > 0 ? self->value : -self->value);
++ 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);
+ }
+}
+
+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 text_width = 0, text_height = 0;
+ grub_gui_progress_bar_t self = vself;
+
+ if (self->template)
+ {
+ text_width = grub_font_get_string_width (self->font, self->template);
+ text_width += grub_font_get_string_width (self->font, "XXXXXXXXXX");
+ text_height = grub_font_get_descent (self->font)
+ + grub_font_get_ascent (self->font);
+ }
+ *width = 200;
+ if (*width < text_width)
+ *width = text_width;
+ *height = 28;
+ if (*height < text_height)
+ *height = text_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");
+
+ 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_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;
+ 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, "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_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_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 ("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;
+
+ return (grub_gui_component_t) self;
+}
projects / thirdparty / grub.git / commitdiff
