/* GTK - The GIMP Toolkit
 * Copyright (C) 2012, One Laptop Per Child.
 * 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_H__
#define __GTK_GESTURE_H__

#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif

#include <gtk/gtkeventcontroller.h>
#include <gtk/gtkenums.h>

G_BEGIN_DECLS

#define GTK_TYPE_GESTURE         (gtk_gesture_get_type ())
#define GTK_GESTURE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_GESTURE, GtkGesture))
#define GTK_GESTURE_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_GESTURE, GtkGestureClass))
#define GTK_IS_GESTURE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_GESTURE))
#define GTK_IS_GESTURE_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_GESTURE))
#define GTK_GESTURE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_GESTURE, GtkGestureClass))

typedef struct _GtkGesture GtkGesture;
typedef struct _GtkGestureClass GtkGestureClass;

struct _GtkGesture
{
  GtkEventController parent_instance;
};

struct _GtkGestureClass
{
  GtkEventControllerClass parent_class;

  gboolean (* check)  (GtkGesture       *gesture);

  void     (* begin)  (GtkGesture       *gesture,
                       GdkEventSequence *sequence);
  void     (* update) (GtkGesture       *gesture,
                       GdkEventSequence *sequence);
  void     (* end)    (GtkGesture       *gesture,
                       GdkEventSequence *sequence);

  void     (* cancel) (GtkGesture       *gesture,
                       GdkEventSequence *sequence);

  void     (* sequence_state_changed) (GtkGesture            *gesture,
                                       GdkEventSequence      *sequence,
                                       GtkEventSequenceState  state);

  /*< private >*/
  gpointer padding[10];
};

GDK_AVAILABLE_IN_3_14
GType       gtk_gesture_get_type             (void) G_GNUC_CONST;

GDK_AVAILABLE_IN_3_14
GdkDevice * gtk_gesture_get_device           (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_set_state            (GtkGesture            *gesture,
                                              GtkEventSequenceState  state);
GDK_AVAILABLE_IN_3_14
GtkEventSequenceState
            gtk_gesture_get_sequence_state   (GtkGesture            *gesture,
                                              GdkEventSequence      *sequence);
GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_set_sequence_state   (GtkGesture            *gesture,
                                              GdkEventSequence      *sequence,
                                              GtkEventSequenceState  state);
GDK_AVAILABLE_IN_3_14
GList     * gtk_gesture_get_sequences        (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
GdkEventSequence * gtk_gesture_get_last_updated_sequence
                                             (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_handles_sequence     (GtkGesture       *gesture,
                                              GdkEventSequence *sequence);
GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_cancel_sequence      (GtkGesture       *gesture,
                                              GdkEventSequence *sequence);
GDK_AVAILABLE_IN_3_14
const GdkEvent *
            gtk_gesture_get_last_event       (GtkGesture       *gesture,
                                              GdkEventSequence *sequence);
GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_get_point            (GtkGesture       *gesture,
                                              GdkEventSequence *sequence,
                                              gdouble          *x,
                                              gdouble          *y);
GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_get_last_update_time (GtkGesture       *gesture,
                                              GdkEventSequence *sequence,
                                              guint32          *evtime);

GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_get_bounding_box     (GtkGesture       *gesture,
                                              GdkRectangle     *rect);
GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_get_bounding_box_center
                                             (GtkGesture       *gesture,
                                              gdouble          *x,
                                              gdouble          *y);
GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_is_active            (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_is_recognized        (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_check                (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
GdkWindow * gtk_gesture_get_window           (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
void        gtk_gesture_set_window           (GtkGesture       *gesture,
                                              GdkWindow        *window);

GDK_AVAILABLE_IN_3_14
void        gtk_gesture_group                (GtkGesture       *group_gesture,
                                              GtkGesture       *gesture);
GDK_AVAILABLE_IN_3_14
void        gtk_gesture_ungroup              (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
GList *     gtk_gesture_get_group            (GtkGesture       *gesture);

GDK_AVAILABLE_IN_3_14
gboolean    gtk_gesture_is_grouped_with      (GtkGesture       *gesture,
                                              GtkGesture       *other);

G_END_DECLS

#endif /* __GTK_GESTURE_H__ */