forked from AuroraMiddleware/gtk
2495b518c1
This gesture implementation recognizes rotations when fed with events from two different GdkEventSequences
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2012, One Laptop Per Child.
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* Copyright (C) 2014, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author(s): Carlos Garnacho <carlosg@gnome.org>
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*/
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#ifndef __GTK_GESTURE_ROTATE_H__
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#define __GTK_GESTURE_ROTATE_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gtk/gtkwidget.h>
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#include <gtk/gtkgesture.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_GESTURE_ROTATE (gtk_gesture_rotate_get_type ())
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#define GTK_GESTURE_ROTATE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_GESTURE_ROTATE, GtkGestureRotate))
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#define GTK_GESTURE_ROTATE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_GESTURE_ROTATE, GtkGestureRotateClass))
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#define GTK_IS_GESTURE_ROTATE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_GESTURE_ROTATE))
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#define GTK_IS_GESTURE_ROTATE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_GESTURE_ROTATE))
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#define GTK_GESTURE_ROTATE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_GESTURE_ROTATE, GtkGestureRotateClass))
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typedef struct _GtkGestureRotate GtkGestureRotate;
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typedef struct _GtkGestureRotateClass GtkGestureRotateClass;
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struct _GtkGestureRotate
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{
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GtkGesture parent_instance;
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};
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struct _GtkGestureRotateClass
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{
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GtkGestureClass parent_class;
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void (* angle_changed) (GtkGestureRotate *gesture,
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gdouble angle,
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gdouble delta);
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/*< private >*/
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gpointer padding[10];
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};
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GDK_AVAILABLE_IN_3_14
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GType gtk_gesture_rotate_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_3_14
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GtkGesture * gtk_gesture_rotate_new (GtkWidget *widget);
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GDK_AVAILABLE_IN_3_14
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gboolean gtk_gesture_rotate_get_angle_delta (GtkGestureRotate *gesture,
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gdouble *delta);
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G_END_DECLS
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#endif /* __GTK_GESTURE_ROTATE_H__ */
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