forked from AuroraMiddleware/gtk
8733e2a918
This gesture implementation recognices swipes on any direction. The "swipe" signal has the X/Y velocity vector components, so those can be used for direction guessing and velocity thresholds.
68 lines
2.3 KiB
C
68 lines
2.3 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_SWIPE_H__
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#define __GTK_GESTURE_SWIPE_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_SWIPE (gtk_gesture_swipe_get_type ())
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#define GTK_GESTURE_SWIPE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_GESTURE_SWIPE, GtkGestureSwipe))
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#define GTK_GESTURE_SWIPE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GTK_TYPE_GESTURE_SWIPE, GtkGestureSwipeClass))
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#define GTK_IS_GESTURE_SWIPE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_GESTURE_SWIPE))
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#define GTK_IS_GESTURE_SWIPE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GTK_TYPE_GESTURE_SWIPE))
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#define GTK_GESTURE_SWIPE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GTK_TYPE_GESTURE_SWIPE, GtkGestureSwipeClass))
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typedef struct _GtkGestureSwipe GtkGestureSwipe;
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typedef struct _GtkGestureSwipeClass GtkGestureSwipeClass;
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struct _GtkGestureSwipe
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{
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GtkGesture parent_instance;
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};
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struct _GtkGestureSwipeClass
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{
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GtkGestureClass parent_class;
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void (* swipe) (GtkGestureSwipe *gesture,
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gdouble velocity_x,
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gdouble velocity_y);
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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_swipe_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_3_14
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GtkGesture * gtk_gesture_swipe_new (GtkWidget *widget);
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G_END_DECLS
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#endif /* __GTK_GESTURE_SWIPE_H__ */
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