02b69e4d76
GCC has some optimization for the inclusion guard, but they only work if the check is the outermost one. We're fairly inconsistent because of historical reasons, so we should ensure that we follow the same pattern in every public header.
153 lines
6.5 KiB
C
153 lines
6.5 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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#ifndef __CLUTTER_DRAG_ACTION_H__
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#define __CLUTTER_DRAG_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-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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* ClutterDragAction:
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*
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* The #ClutterDragAction 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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* @drag_progress: class handler of the #ClutterDragAction::drag-progress signal
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*
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* The #ClutterDragActionClass 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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gboolean (* drag_progress) (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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/*< 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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};
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CLUTTER_AVAILABLE_IN_1_4
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GType clutter_drag_action_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_4
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ClutterAction * clutter_drag_action_new (void);
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CLUTTER_AVAILABLE_IN_1_4
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void clutter_drag_action_set_drag_threshold (ClutterDragAction *action,
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gint x_threshold,
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gint y_threshold);
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CLUTTER_AVAILABLE_IN_1_4
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void clutter_drag_action_get_drag_threshold (ClutterDragAction *action,
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guint *x_threshold,
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guint *y_threshold);
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CLUTTER_AVAILABLE_IN_1_4
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void clutter_drag_action_set_drag_handle (ClutterDragAction *action,
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ClutterActor *handle);
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CLUTTER_AVAILABLE_IN_1_4
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ClutterActor * clutter_drag_action_get_drag_handle (ClutterDragAction *action);
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CLUTTER_AVAILABLE_IN_1_4
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void clutter_drag_action_set_drag_axis (ClutterDragAction *action,
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ClutterDragAxis axis);
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CLUTTER_AVAILABLE_IN_1_4
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ClutterDragAxis clutter_drag_action_get_drag_axis (ClutterDragAction *action);
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CLUTTER_AVAILABLE_IN_1_4
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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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CLUTTER_AVAILABLE_IN_1_4
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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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CLUTTER_AVAILABLE_IN_1_12
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gboolean clutter_drag_action_get_drag_area (ClutterDragAction *action,
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ClutterRect *drag_area);
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CLUTTER_AVAILABLE_IN_1_12
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void clutter_drag_action_set_drag_area (ClutterDragAction *action,
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const ClutterRect *drag_area);
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G_END_DECLS
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#endif /* __CLUTTER_DRAG_ACTION_H__ */
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