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TapAction is a GestureAction-subclass that handles clicks and tap gestures. It is meant to provide a replacement for ClickAction using GestureAction: • it handles events trasparently without capturing them, so that it can coexists with other GestureActions; • the ::tap signal is not emitted if the drag threshold is exceeded; • building upon GestureAction the amount of code is greatly reduced. TapAction provides: • tap signal, notifying users when a tap has been performed. The image-content example program has been updated replacing its ClickAction usage with TapAction. https://bugzilla.gnome.org/show_bug.cgi?id=683948
103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2010 Intel Corporation.
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* Copyright (C) 2011 Robert Bosch Car Multimedia GmbH.
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* Copyright (C) 2012 Collabora Ltd.
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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:
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* Emanuele Aina <emanuele.aina@collabora.com>
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*
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* Based on ClutterPanAction
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* Based on ClutterDragAction, ClutterSwipeAction, and MxKineticScrollView,
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* written by:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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* Tomeu Vizoso <tomeu.vizoso@collabora.co.uk>
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* Chris Lord <chris@linux.intel.com>
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_TAP_ACTION_H__
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#define __CLUTTER_TAP_ACTION_H__
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#include <clutter/clutter-gesture-action.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_TAP_ACTION (clutter_tap_action_get_type ())
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#define CLUTTER_TAP_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TAP_ACTION, ClutterTapAction))
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#define CLUTTER_IS_TAP_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TAP_ACTION))
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#define CLUTTER_TAP_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_TAP_ACTION, ClutterTapActionClass))
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#define CLUTTER_IS_TAP_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_TAP_ACTION))
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#define CLUTTER_TAP_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_TAP_ACTION, ClutterTapActionClass))
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typedef struct _ClutterTapAction ClutterTapAction;
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typedef struct _ClutterTapActionPrivate ClutterTapActionPrivate;
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typedef struct _ClutterTapActionClass ClutterTapActionClass;
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/**
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* ClutterTapAction:
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*
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* The <structname>ClutterTapAction</structname> structure contains
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* only private data and should be accessed using the provided API
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*
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* Since: 1.14
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*/
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struct _ClutterTapAction
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{
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/*< private >*/
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ClutterGestureAction parent_instance;
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};
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/**
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* ClutterTapActionClass:
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* @tap: class handler for the #ClutterTapAction::tap signal
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*
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* The <structname>ClutterTapActionClass</structname> structure contains
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* only private data.
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*/
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struct _ClutterTapActionClass
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{
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/*< private >*/
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ClutterGestureActionClass parent_class;
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/*< public >*/
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gboolean (* tap) (ClutterTapAction *action,
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ClutterActor *actor);
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/*< private >*/
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void (* _clutter_tap_action1) (void);
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void (* _clutter_tap_action2) (void);
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void (* _clutter_tap_action3) (void);
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void (* _clutter_tap_action4) (void);
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void (* _clutter_tap_action5) (void);
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void (* _clutter_tap_action6) (void);
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};
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CLUTTER_AVAILABLE_IN_1_14
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GType clutter_tap_action_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_14
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ClutterAction * clutter_tap_action_new (void);
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G_END_DECLS
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#endif /* __CLUTTER_TAP_ACTION_H__ */
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