testgtk: Remove alpha widgets demo

This used to test that "windowed widgets" and "non-windowed widgets"
handle alpha correctly, but none of the mentioned widgets are windowed
at all anymore. For the rest, this is more easily and dynamically
testable by simply using the inspector.

diff --git a/tests/testgtk.c b/tests/testgtk.c
index bc952a0e72a9e3a2153fc3c8affd1090c4605935..2561a8b9668a034d92793103e03ac722f060f964 100644 (file)
--- a/tests/testgtk.c
+++ b/tests/testgtk.c
@@ -954,110 +954,6 @@ create_statusbar (GtkWidget *widget)
     gtk_widget_destroy (window);
 }
 
-/* Alpha demo */
-
-static void
-alpha_changed (GtkRange *range, GtkWidget *widget)
-{
-  gdouble alpha;
-
-  alpha = gtk_range_get_value (range);
-
-  gtk_widget_set_opacity (widget, alpha / 100.0);
-}
-
-
-void
-create_alpha_widgets (GtkWidget *widget)
-{
-  static GtkWidget *window = NULL;
-
-  if (!window)
-    {
-      GtkWidget *vbox2, *vbox, *main_hbox;
-      GtkWidget *button, *label, *scale;
-      GtkWidget *alpha1, *alpha2, *alpha3;
-
-      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-      gtk_window_set_display (GTK_WINDOW (window),
-                              gtk_widget_get_display (widget));
-      gtk_window_set_default_size (GTK_WINDOW (window),
-                                   450, 450);
-
-      g_signal_connect (window, "destroy",
-                        G_CALLBACK (gtk_widget_destroyed), &window);
-
-      gtk_window_set_title (GTK_WINDOW (window), "Alpha");
-
-      main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-      gtk_container_add (GTK_CONTAINER (window), main_hbox);
-
-      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-
-      gtk_box_pack_start (GTK_BOX (main_hbox), vbox);
-
-      /* Plain button (no gdkwindows */
-
-      label = gtk_label_new ("non-window widget");
-      gtk_box_pack_start (GTK_BOX (vbox), label);
-
-      alpha1 = button = gtk_button_new_with_label ("A Button");
-      gtk_box_pack_start (GTK_BOX (vbox), button);
-
-      /* windowed container with both windowed and normal button */
-      label = gtk_label_new ("\nwindow widget");
-      gtk_box_pack_start (GTK_BOX (vbox), label);
-
-      alpha2 = vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-      gtk_box_pack_start (GTK_BOX (vbox), vbox2);
-
-      button = gtk_button_new_with_label ("A Button");
-      gtk_box_pack_start (GTK_BOX (vbox2), button);
-
-      button = gtk_button_new_with_label ("A Button (in window)");
-      gtk_box_pack_start (GTK_BOX (vbox2), button);
-
-      /* non-windowed container with both windowed and normal button */
-      label = gtk_label_new ("\nnon-window widget with widget child");
-      gtk_box_pack_start (GTK_BOX (vbox), label);
-
-      alpha3 = vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-      gtk_box_pack_start (GTK_BOX (vbox), vbox2);
-
-      button = gtk_button_new_with_label ("A Button");
-      gtk_box_pack_start (GTK_BOX (vbox2), button);
-
-      button = gtk_button_new_with_label ("A Button (in window)");
-      gtk_box_pack_start (GTK_BOX (vbox2), button);
-
-      scale = gtk_scale_new_with_range (GTK_ORIENTATION_VERTICAL,
-                                         0, 100, 1);
-      gtk_box_pack_start (GTK_BOX (main_hbox), scale);
-      g_signal_connect (scale, "value_changed", G_CALLBACK (alpha_changed), alpha1);
-      gtk_range_set_value (GTK_RANGE (scale), 50);
-
-      scale = gtk_scale_new_with_range (GTK_ORIENTATION_VERTICAL,
-                                         0, 100, 1);
-      gtk_box_pack_start (GTK_BOX (main_hbox), scale);
-      g_signal_connect (scale, "value_changed", G_CALLBACK (alpha_changed), alpha2);
-      gtk_range_set_value (GTK_RANGE (scale), 50);
-
-      scale = gtk_scale_new_with_range (GTK_ORIENTATION_VERTICAL,
-                                         0, 100, 1);
-      gtk_box_pack_start (GTK_BOX (main_hbox), scale);
-      g_signal_connect (scale, "value_changed", G_CALLBACK (alpha_changed), alpha3);
-      gtk_range_set_value (GTK_RANGE (scale), 50);
-
-      gtk_widget_show (main_hbox);
-    }
-
-  if (!gtk_widget_get_visible (window))
-    gtk_widget_show (window);
-  else
-    gtk_widget_destroy (window);
-}
-
-
 /* 
  * Label Demo
  */
@@ -7841,7 +7737,6 @@ struct {
 } buttons[] =
 {
   { "alpha window", create_alpha_window },
-  { "alpha widget", create_alpha_widgets },
   { "button box", create_button_box },
   { "buttons", create_buttons },
   { "check buttons", create_check_buttons },