f97d16cd2d
Both ::drag-begin and ::drag-end have a "button" argument - even though we assume internally, and externally, that dragging can only be the result of a primary button operation.
145 lines
5.5 KiB
C
145 lines
5.5 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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*
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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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* Emmanuele Bassi <ebassi@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_DRAG_ACTION_H__
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#define __CLUTTER_DRAG_ACTION_H__
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#include <clutter/clutter-action.h>
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#include <clutter/clutter-event.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_DRAG_ACTION (clutter_drag_action_get_type ())
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#define CLUTTER_DRAG_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_DRAG_ACTION, ClutterDragAction))
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#define CLUTTER_IS_DRAG_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_DRAG_ACTION))
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#define CLUTTER_DRAG_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_DRAG_ACTION, ClutterDragActionClass))
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#define CLUTTER_IS_DRAG_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_DRAG_ACTION))
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#define CLUTTER_DRAG_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_DRAG_ACTION, ClutterDragActionClass))
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typedef struct _ClutterDragAction ClutterDragAction;
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typedef struct _ClutterDragActionPrivate ClutterDragActionPrivate;
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typedef struct _ClutterDragActionClass ClutterDragActionClass;
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/**
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* ClutterDragAxis:
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* @CLUTTER_DRAG_AXIS_NONE: No constraint
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* @CLUTTER_DRAG_X_AXIS: Set a constraint on the X axis
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* @CLUTTER_DRAG_Y_AXIS: Set a constraint on the Y axis
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*
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* The axis of the constraint that should be applied on the
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* dragging action
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*
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* Since: 1.4
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*/
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typedef enum { /*< prefix=CLUTTER_DRAG >*/
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CLUTTER_DRAG_AXIS_NONE = 0,
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CLUTTER_DRAG_X_AXIS,
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CLUTTER_DRAG_Y_AXIS
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} ClutterDragAxis;
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/**
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* ClutterDragAction:
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*
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* The <structname>ClutterDragAction</structname> structure contains only
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* private data and should be accessed using the provided API
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*
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* Since: 1.4
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*/
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struct _ClutterDragAction
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{
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/*< private >*/
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ClutterAction parent_instance;
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ClutterDragActionPrivate *priv;
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};
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/**
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* ClutterDragActionClass:
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* @drag_begin: class handler of the #ClutterDragAction::drag-begin signal
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* @drag_motion: class handler of the #ClutterDragAction::drag-motion signal
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* @drag_end: class handler of the #ClutterDragAction::drag-end signal
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*
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* The <structname>ClutterDragActionClass</structname> structure contains
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* only private data
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*
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* Since: 1.4
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*/
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struct _ClutterDragActionClass
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{
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/*< private >*/
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ClutterActionClass parent_class;
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/*< public >*/
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void (* drag_begin) (ClutterDragAction *action,
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ClutterActor *actor,
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gfloat event_x,
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gfloat event_y,
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ClutterModifierType modifiers);
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void (* drag_motion) (ClutterDragAction *action,
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ClutterActor *actor,
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gfloat delta_x,
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gfloat delta_y);
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void (* drag_end) (ClutterDragAction *action,
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ClutterActor *actor,
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gfloat event_x,
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gfloat event_y,
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ClutterModifierType modifiers);
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/*< private >*/
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void (* _clutter_drag_action1) (void);
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void (* _clutter_drag_action2) (void);
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void (* _clutter_drag_action3) (void);
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void (* _clutter_drag_action4) (void);
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void (* _clutter_drag_action5) (void);
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};
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GType clutter_drag_action_get_type (void) G_GNUC_CONST;
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ClutterAction * clutter_drag_action_new (void);
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void clutter_drag_action_set_drag_threshold (ClutterDragAction *action,
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guint threshold);
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guint clutter_drag_action_get_drag_threshold (ClutterDragAction *action);
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void clutter_drag_action_set_drag_handle (ClutterDragAction *action,
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ClutterActor *handle);
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ClutterActor * clutter_drag_action_get_drag_handle (ClutterDragAction *action);
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void clutter_drag_action_set_drag_axis (ClutterDragAction *action,
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ClutterDragAxis axis);
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ClutterDragAxis clutter_drag_action_get_drag_axis (ClutterDragAction *action);
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void clutter_drag_action_get_press_coords (ClutterDragAction *action,
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gfloat *press_x,
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gfloat *press_y);
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void clutter_drag_action_get_motion_coords (ClutterDragAction *action,
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gfloat *motion_x,
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gfloat *motion_y);
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G_END_DECLS
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#endif /* __CLUTTER_DRAG_ACTION_H__ */
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