Copy libslab from gnome-main-menu, for not breaking 2.26.x

libslab/double-click-detector.h

@@ -0,0 +1,58 @@
+/*
+ * This file is part of libslab.
+ *
+ * Copyright (c) 2006 Novell, Inc.
+ *
+ * Libslab is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * Libslab is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libslab; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __DOUBLE_CLICK_DETECTOR_H__
+#define __DOUBLE_CLICK_DETECTOR_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define DOUBLE_CLICK_DETECTOR_TYPE         (double_click_detector_get_type ())
+#define DOUBLE_CLICK_DETECTOR(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), DOUBLE_CLICK_DETECTOR_TYPE, DoubleClickDetector))
+#define DOUBLE_CLICK_DETECTOR_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), DOUBLE_CLICK_DETECTOR_TYPE, DoubleClickDetectorClass))
+#define IS_DOUBLE_CLICK_DETECTOR(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), DOUBLE_CLICK_DETECTOR_TYPE))
+#define IS_DOUBLE_CLICK_DETECTOR_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c), DOUBLE_CLICK_DETECTOR_TYPE))
+#define DOUBLE_CLICK_DETECTOR_GET_CLASS(o) (G_TYPE_CHECK_GET_CLASS ((o), DOUBLE_CLICK_DETECTOR_TYPE, DoubleClickDetectorClass))
+
+typedef struct
+{
+	GObject parent_placeholder;
+
+	guint32 double_click_time;
+	guint32 last_click_time;
+} DoubleClickDetector;
+
+typedef struct
+{
+	GObjectClass parent_class;
+} DoubleClickDetectorClass;
+
+GType double_click_detector_get_type (void);
+
+DoubleClickDetector *double_click_detector_new (void);
+
+gboolean double_click_detector_is_double_click (DoubleClickDetector * detector, guint32 event_time,
+	gboolean auto_update);
+
+void double_click_detector_update_click_time (DoubleClickDetector * detector, guint32 event_time);
+
+G_END_DECLS
+#endif /* __DOUBLE_CLICK_DETECTOR_H__ */