Add GtkGesturePan

This gesture reports events on horizontal/vertical panning gestures.

gtk/gtkgesturepan.h

@@ -0,0 +1,75 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2014, Red Hat, Inc.
+ *
+ * This library 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.
+ *
+ * This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author(s): Carlos Garnacho <carlosg@gnome.org>
+ */
+#ifndef __GTK_GESTURE_PAN_H__
+#define __GTK_GESTURE_PAN_H__
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtkenums.h>
+#include <gtk/gtkgesturedrag.h>
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_GESTURE_PAN         (gtk_gesture_pan_get_type ())
+#define GTK_GESTURE_PAN(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_GESTURE_PAN, GtkGesturePan))
+#define GTK_GESTURE_PAN_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_GESTURE_PAN, GtkGesturePanClass))
+#define GTK_IS_GESTURE_PAN(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_GESTURE_PAN))
+#define GTK_IS_GESTURE_PAN_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_GESTURE_PAN))
+#define GTK_GESTURE_PAN_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_GESTURE_PAN, GtkGesturePanClass))
+
+typedef struct _GtkGesturePan GtkGesturePan;
+typedef struct _GtkGesturePanClass GtkGesturePanClass;
+
+struct _GtkGesturePan
+{
+  GtkGestureDrag parent_instance;
+};
+
+struct _GtkGesturePanClass
+{
+  GtkGestureDragClass parent_class;
+
+  void (* pan) (GtkGesturePan *gesture,
+                GtkPanDirection direction,
+                gdouble         offset);
+
+  /*< private >*/
+  gpointer padding[10];
+};
+
+GDK_AVAILABLE_IN_3_14
+GType             gtk_gesture_pan_get_type        (void) G_GNUC_CONST;
+
+GDK_AVAILABLE_IN_3_14
+GtkGesture *      gtk_gesture_pan_new             (GtkWidget         *widget,
+                                                   GtkPanOrientation  orientation);
+
+GDK_AVAILABLE_IN_3_14
+GtkPanOrientation gtk_gesture_pan_get_orientation (GtkGesturePan     *gesture);
+
+GDK_AVAILABLE_IN_3_14
+void              gtk_gesture_pan_set_orientation (GtkGesturePan     *gesture,
+                                                   GtkPanOrientation  orientation);
+
+
+G_END_DECLS
+
+#endif /* __GTK_GESTURE_PAN_H__ */