}
static void
-on_alpha_screen_changed (GtkWidget *widget,
+on_alpha_screen_changed (GtkWindow *window,
GdkScreen *old_screen,
GtkWidget *label)
{
- GdkScreen *screen = gtk_widget_get_screen (widget);
- GdkColormap *colormap = gdk_screen_get_rgba_colormap (screen);
+ GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (window));
+ GdkVisual *visual = gdk_screen_get_rgba_visual (screen);
- if (!colormap)
+ if (!visual)
{
- colormap = gdk_screen_get_default_colormap (screen);
+ visual = gdk_screen_get_system_visual (screen);
gtk_label_set_markup (GTK_LABEL (label), "<b>Screen doesn't support alpha</b>");
}
else
gtk_label_set_markup (GTK_LABEL (label), "<b>Screen supports alpha</b>");
}
- gtk_widget_set_colormap (widget, colormap);
+ gtk_window_set_visual (window, visual);
}
static void
label = gtk_label_new (NULL);
gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
- on_alpha_screen_changed (window, NULL, label);
+ on_alpha_screen_changed (GTK_WINDOW (window), NULL, label);
g_signal_connect (window, "screen-changed",
G_CALLBACK (on_alpha_screen_changed), label);