mutter/clutter/clutter-drag-action.h
Emmanuele Bassi f97d16cd2d drag-action: Remove the press event button
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.
2010-06-12 17:45:54 +01:00

146 lines
5.5 KiB
C

/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_DRAG_ACTION_H__
#define __CLUTTER_DRAG_ACTION_H__
#include <clutter/clutter-action.h>
#include <clutter/clutter-event.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_DRAG_ACTION (clutter_drag_action_get_type ())
#define CLUTTER_DRAG_ACTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_DRAG_ACTION, ClutterDragAction))
#define CLUTTER_IS_DRAG_ACTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_DRAG_ACTION))
#define CLUTTER_DRAG_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_DRAG_ACTION, ClutterDragActionClass))
#define CLUTTER_IS_DRAG_ACTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_DRAG_ACTION))
#define CLUTTER_DRAG_ACTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_DRAG_ACTION, ClutterDragActionClass))
typedef struct _ClutterDragAction ClutterDragAction;
typedef struct _ClutterDragActionPrivate ClutterDragActionPrivate;
typedef struct _ClutterDragActionClass ClutterDragActionClass;
/**
* ClutterDragAxis:
* @CLUTTER_DRAG_AXIS_NONE: No constraint
* @CLUTTER_DRAG_X_AXIS: Set a constraint on the X axis
* @CLUTTER_DRAG_Y_AXIS: Set a constraint on the Y axis
*
* The axis of the constraint that should be applied on the
* dragging action
*
* Since: 1.4
*/
typedef enum { /*< prefix=CLUTTER_DRAG >*/
CLUTTER_DRAG_AXIS_NONE = 0,
CLUTTER_DRAG_X_AXIS,
CLUTTER_DRAG_Y_AXIS
} ClutterDragAxis;
/**
* ClutterDragAction:
*
* The <structname>ClutterDragAction</structname> structure contains only
* private data and should be accessed using the provided API
*
* Since: 1.4
*/
struct _ClutterDragAction
{
/*< private >*/
ClutterAction parent_instance;
ClutterDragActionPrivate *priv;
};
/**
* ClutterDragActionClass:
* @drag_begin: class handler of the #ClutterDragAction::drag-begin signal
* @drag_motion: class handler of the #ClutterDragAction::drag-motion signal
* @drag_end: class handler of the #ClutterDragAction::drag-end signal
*
* The <structname>ClutterDragActionClass</structname> structure contains
* only private data
*
* Since: 1.4
*/
struct _ClutterDragActionClass
{
/*< private >*/
ClutterActionClass parent_class;
/*< public >*/
void (* drag_begin) (ClutterDragAction *action,
ClutterActor *actor,
gfloat event_x,
gfloat event_y,
ClutterModifierType modifiers);
void (* drag_motion) (ClutterDragAction *action,
ClutterActor *actor,
gfloat delta_x,
gfloat delta_y);
void (* drag_end) (ClutterDragAction *action,
ClutterActor *actor,
gfloat event_x,
gfloat event_y,
ClutterModifierType modifiers);
/*< private >*/
void (* _clutter_drag_action1) (void);
void (* _clutter_drag_action2) (void);
void (* _clutter_drag_action3) (void);
void (* _clutter_drag_action4) (void);
void (* _clutter_drag_action5) (void);
};
GType clutter_drag_action_get_type (void) G_GNUC_CONST;
ClutterAction * clutter_drag_action_new (void);
void clutter_drag_action_set_drag_threshold (ClutterDragAction *action,
guint threshold);
guint clutter_drag_action_get_drag_threshold (ClutterDragAction *action);
void clutter_drag_action_set_drag_handle (ClutterDragAction *action,
ClutterActor *handle);
ClutterActor * clutter_drag_action_get_drag_handle (ClutterDragAction *action);
void clutter_drag_action_set_drag_axis (ClutterDragAction *action,
ClutterDragAxis axis);
ClutterDragAxis clutter_drag_action_get_drag_axis (ClutterDragAction *action);
void clutter_drag_action_get_press_coords (ClutterDragAction *action,
gfloat *press_x,
gfloat *press_y);
void clutter_drag_action_get_motion_coords (ClutterDragAction *action,
gfloat *motion_x,
gfloat *motion_y);
G_END_DECLS
#endif /* __CLUTTER_DRAG_ACTION_H__ */