Added copyleft compatible gnucat

1 files changed, 83 insertions, 2 deletions

diff --git a/mate-about/mate-about.c b/mate-about/mate-about.c
index 9dea770..9626542 100644
--- a/mate-about/mate-about.c
+++ b/mate-about/mate-about.c
@@ -34,6 +34,37 @@
 
 //class mate_about
 //{
+	// what a mess!
+	#ifndef DISABLE_GNUCAT
+
+	// Thanks! http://www.gtkforums.com/viewtopic.php?t=1639
+	typedef struct _iter_arg {
+		GtkWidget* widget;
+		GdkPixbufAnimation* animation;
+		GdkPixbufAnimationIter* iter;
+	} iter_arg_t;
+
+	gboolean on_animation_frame(iter_arg_t* object)
+	{
+		if (object->widget == NULL)
+		{
+			return FALSE;
+		}
+
+		static gint frame = 1;
+
+		if (gdk_pixbuf_animation_iter_advance(object->iter, NULL))
+		{
+			frame++;
+
+			gtk_about_dialog_set_logo((GtkAboutDialog*) object->widget, gdk_pixbuf_animation_iter_get_pixbuf(object->iter));
+		}
+
+		return TRUE;
+	}
+
+	#endif
+
 	#if GTK_CHECK_VERSION(3, 0, 0) && !defined(UNIQUE)
 
 	static void mate_about_on_activate(GtkApplication* app)
@@ -76,8 +107,58 @@
 
 		gtk_window_set_default_icon_name(icon);
 
-		/* logo */
-		#if GTK_CHECK_VERSION(3, 0, 0) || GTK_CHECK_VERSION(2, 6, 0)
+		#ifndef DISABLE_GNUCAT
+
+			/* hacemos una comprovacion de la fecha, para mostrar el gnucat
+			 * version navideña. */
+			gboolean christmas_is = FALSE;
+
+			GDate* d = g_date_new();
+			g_date_set_time_t(d, (time_t) time(NULL));
+
+			if (g_date_get_month(d) == G_DATE_DECEMBER)
+			{
+				GDateDay day = g_date_get_day(d);
+
+				if (day >= 24 && day <=25)
+				{
+					christmas_is = TRUE;
+				}
+			}
+
+			g_date_free(d);
+
+
+			if (christmas_is == TRUE)
+			{
+				GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file(PIXMAPS_DIR "gnu-cat_navideno_v3.png", NULL);
+				gtk_about_dialog_set_logo(mate_about_dialog, pixbuf);
+				g_object_unref(pixbuf);
+			}
+			else
+			{
+				iter_arg_t animation_object;
+				GdkPixbufAnimation* animation;
+				GdkPixbufAnimationIter *iter;
+				GtkWidget* image;
+
+				animation = gdk_pixbuf_animation_new_from_file(PIXMAPS_DIR "gnu-cat.gif", NULL);
+
+				if (animation != NULL)
+				{
+					iter = gdk_pixbuf_animation_get_iter(animation, NULL);
+
+					animation_object.animation = animation;
+					animation_object.iter = iter;
+					animation_object.widget = (GtkWidget*) mate_about_dialog;
+
+					gtk_about_dialog_set_logo(mate_about_dialog, gdk_pixbuf_animation_iter_get_pixbuf(iter));
+
+					g_timeout_add(gdk_pixbuf_animation_iter_get_delay_time(iter), (GSourceFunc) on_animation_frame, (gpointer) &animation_object);
+				}
+			}
+
+		#elif GTK_CHECK_VERSION(3, 0, 0) || GTK_CHECK_VERSION(2, 6, 0)
 
 			gtk_about_dialog_set_logo_icon_name(mate_about_dialog, icon);