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0ed9c6e524
By default, the pan action performs matrix translations on the child widget. Nobody wants that (or, nobody wants *just* that). It's cleaner not to mix mechanism and effect in ClutterGestureAction subclasses, so drop this base implementation, and change the signal accumulator so it's more similar to event signals (not that it's used any longer, anyway). Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2024>
150 lines
6.3 KiB
C
150 lines
6.3 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 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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#ifndef __CLUTTER_PAN_ACTION_H__
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#define __CLUTTER_PAN_ACTION_H__
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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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#include <clutter/clutter-gesture-action.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_PAN_ACTION (clutter_pan_action_get_type ())
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#define CLUTTER_PAN_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_PAN_ACTION, ClutterPanAction))
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#define CLUTTER_IS_PAN_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_PAN_ACTION))
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#define CLUTTER_PAN_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_PAN_ACTION, ClutterPanActionClass))
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#define CLUTTER_IS_PAN_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_PAN_ACTION))
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#define CLUTTER_PAN_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_PAN_ACTION, ClutterPanActionClass))
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typedef struct _ClutterPanAction ClutterPanAction;
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typedef struct _ClutterPanActionPrivate ClutterPanActionPrivate;
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typedef struct _ClutterPanActionClass ClutterPanActionClass;
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/**
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* ClutterPanAction:
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*
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* The #ClutterPanAction 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: 1.12
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*/
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struct _ClutterPanAction
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{
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/*< private >*/
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ClutterGestureAction parent_instance;
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ClutterPanActionPrivate *priv;
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};
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/**
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* ClutterPanActionClass:
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* @pan: class handler for the #ClutterPanAction::pan signal
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* @pan_stopped: class handler for the #ClutterPanAction::pan-stopped signal
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*
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* The #ClutterPanActionClass structure contains
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* only private data.
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*
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* Since: 1.12
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*/
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struct _ClutterPanActionClass
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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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void (* pan_stopped) (ClutterPanAction *action,
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ClutterActor *actor);
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/*< private >*/
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void (* _clutter_pan_action1) (void);
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void (* _clutter_pan_action2) (void);
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void (* _clutter_pan_action3) (void);
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void (* _clutter_pan_action4) (void);
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void (* _clutter_pan_action5) (void);
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void (* _clutter_pan_action6) (void);
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};
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CLUTTER_EXPORT
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GType clutter_pan_action_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterAction * clutter_pan_action_new (void);
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CLUTTER_EXPORT
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void clutter_pan_action_set_pan_axis (ClutterPanAction *self,
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ClutterPanAxis axis);
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CLUTTER_EXPORT
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ClutterPanAxis clutter_pan_action_get_pan_axis (ClutterPanAction *self);
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CLUTTER_EXPORT
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void clutter_pan_action_set_interpolate (ClutterPanAction *self,
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gboolean should_interpolate);
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CLUTTER_EXPORT
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gboolean clutter_pan_action_get_interpolate (ClutterPanAction *self);
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CLUTTER_EXPORT
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void clutter_pan_action_set_deceleration (ClutterPanAction *self,
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gdouble rate);
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CLUTTER_EXPORT
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gdouble clutter_pan_action_get_deceleration (ClutterPanAction *self);
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CLUTTER_EXPORT
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void clutter_pan_action_set_acceleration_factor (ClutterPanAction *self,
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gdouble factor);
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CLUTTER_EXPORT
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gdouble clutter_pan_action_get_acceleration_factor (ClutterPanAction *self);
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CLUTTER_EXPORT
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void clutter_pan_action_get_interpolated_coords (ClutterPanAction *self,
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gfloat *interpolated_x,
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gfloat *interpolated_y);
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CLUTTER_EXPORT
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gfloat clutter_pan_action_get_interpolated_delta (ClutterPanAction *self,
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gfloat *delta_x,
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gfloat *delta_y);
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CLUTTER_EXPORT
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gfloat clutter_pan_action_get_motion_delta (ClutterPanAction *self,
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guint point,
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gfloat *delta_x,
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gfloat *delta_y);
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CLUTTER_EXPORT
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void clutter_pan_action_get_motion_coords (ClutterPanAction *self,
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guint point,
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gfloat *motion_x,
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gfloat *motion_y);
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CLUTTER_EXPORT
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gfloat clutter_pan_action_get_constrained_motion_delta (ClutterPanAction *self,
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guint point,
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gfloat *delta_x,
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gfloat *delta_y);
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G_END_DECLS
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#endif /* __CLUTTER_PAN_ACTION_H__ */
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