[gtk+] demos/gtk-demo/colorsel.c: Do not use gtk_dialog_run()

[Javier JardÃn <jjardon src gnome org>]

commit 8408819d613490ee710edd0ab63fa06a2c663db1
Author: Javier JardÃn <jjardon gnome org>
Date:   Mon Feb 27 10:59:41 2012 +0000

    demos/gtk-demo/colorsel.c: Do not use gtk_dialog_run()

 demos/gtk-demo/colorsel.c |   26 +++++++++++++++++---------
 1 files changed, 17 insertions(+), 9 deletions(-)
---
diff --git a/demos/gtk-demo/colorsel.c b/demos/gtk-demo/colorsel.c
index 633e13b..d1d858c 100644
--- a/demos/gtk-demo/colorsel.c
+++ b/demos/gtk-demo/colorsel.c
@@ -31,26 +31,34 @@ draw_callback (GtkWidget *widget,
 }
 
 static void
+response_cb (GtkDialog *dialog,
+             gint       response_id,
+             gpointer   user_data)
+{
+  if (response_id == GTK_RESPONSE_OK)
+    {
+      gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (dialog), &color);
+      gtk_widget_override_background_color (da, 0, &color);
+    }
+}
+
+static void
 change_color_callback (GtkWidget *button,
                        gpointer   data)
 {
   GtkWidget *dialog;
   GtkColorSelection *colorsel;
   GtkColorChooserDialog *selection_dialog;
-  gint response;
 
   dialog = gtk_color_chooser_dialog_new ("Changing color", GTK_WINDOW (window));
   gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (dialog), &color);
 
-  response = gtk_dialog_run (GTK_DIALOG (dialog));
-
-  if (response == GTK_RESPONSE_OK)
-    {
-      gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (dialog), &color);
-      gtk_widget_override_background_color (da, 0, &color);
-    }
+  g_signal_connect (dialog,
+                    "response",
+                    G_CALLBACK (response_cb),
+                    NULL);
 
-  gtk_widget_destroy (dialog);
+  gtk_widget_show_all (dialog);
 }
 
 GtkWidget *