diff options
| -rw-r--r-- | src/ld-window-main.c | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/src/ld-window-main.c b/src/ld-window-main.c index 71717ac..3b907a9 100644 --- a/src/ld-window-main.c +++ b/src/ld-window-main.c @@ -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); @@ -524,11 +534,49 @@ 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: * * Make the area for symbol menu redraw itself. |