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Draw category icons with style colors. 

Previously the icons have been black in all themes.
This commit is contained in:
Přemysl Eric Janouch 2011-01-09 14:08:44 +01:00
parent 73b611a844
commit a3eaab63ff
1 changed files with 52 additions and 4 deletions
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56
src/ld-window-main.c
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@ -110,6 +110,7 @@ static void ld_window_main_finalize (GObject *gobject);
static void load_library_toolbar (LdWindowMain *self);
static void load_category_cb (gpointer data, gpointer user_data);
static GdkPixbuf *recolor_pixbuf (GdkPixbuf *pbuf, GdkColor *color);
static void redraw_symbol_menu (LdWindowMain *self);
static void on_category_toggle (GtkToggleButton *toggle_button,
@ -488,10 +489,11 @@ load_category_cb (gpointer data, gpointer user_data)
LdWindowMain *self;
LdSymbolCategory *cat;
const gchar *human_name;
GdkPixbuf *pbuf;
GdkPixbuf *pbuf, *new_pbuf;
GtkWidget *img;
GtkToolItem *item;
GtkWidget *button;
GtkStyle *style;
g_return_if_fail (LD_IS_WINDOW_MAIN (user_data));
g_return_if_fail (LD_IS_SYMBOL_CATEGORY (data));
@ -499,17 +501,25 @@ load_category_cb (gpointer data, gpointer user_data)
self = user_data;
cat = data;
human_name = ld_symbol_category_get_human_name (cat);
pbuf = gdk_pixbuf_new_from_file_at_size (ld_symbol_category_get_image_path
(cat), LIBRARY_TOOLBAR_ICON_WIDTH, -1, NULL);
g_return_if_fail (pbuf != NULL);
button = gtk_toggle_button_new ();
style = gtk_rc_get_style (button);
/* TODO: Handle all states. */
new_pbuf = recolor_pixbuf (pbuf, &style->fg[GTK_STATE_NORMAL]);
if (new_pbuf)
{
g_object_unref (pbuf);
pbuf = new_pbuf;
}
img = gtk_image_new_from_pixbuf (pbuf);
g_object_unref (pbuf);
item = gtk_tool_item_new ();
button = gtk_toggle_button_new ();
gtk_container_add (GTK_CONTAINER (button), img);
gtk_container_add (GTK_CONTAINER (item), button);
@ -524,10 +534,48 @@ load_category_cb (gpointer data, gpointer user_data)
/* Hook toggling of the button. */
g_signal_connect (button, "toggled", G_CALLBACK (on_category_toggle), self);
human_name = ld_symbol_category_get_human_name (cat);
gtk_tool_item_set_tooltip_text (item, human_name);
gtk_toolbar_insert (GTK_TOOLBAR (self->priv->library_toolbar), item, 0);
}
/*
* recolor_pixbuf:
*
* Change the color of all pixels to @color,
* but leave the alpha channel intact.
*/
static GdkPixbuf *
recolor_pixbuf (GdkPixbuf *pbuf, GdkColor *color)
{
gint width, height;
GdkPixbuf *new_pbuf;
cairo_surface_t *cr_surface;
cairo_t *cr;
width = gdk_pixbuf_get_width (pbuf);
height = gdk_pixbuf_get_height (pbuf);
new_pbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height);
g_return_val_if_fail (new_pbuf != NULL, NULL);
cr_surface = cairo_image_surface_create_for_data
(gdk_pixbuf_get_pixels (new_pbuf), CAIRO_FORMAT_ARGB32,
width, height, gdk_pixbuf_get_rowstride (new_pbuf));
cr = cairo_create (cr_surface);
gdk_cairo_set_source_color (cr, color);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_DEST_IN);
gdk_cairo_set_source_pixbuf (cr, pbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
cairo_surface_destroy (cr_surface);
return new_pbuf;
}
/*
* redraw_symbol_menu:
*