clutter/clutter-drop-action.h

   1 /*
   2  * Clutter.
   3  *
   4  * An OpenGL based 'interactive canvas' library.
   5  *
   6  * Copyright © 2011  Intel Corporation.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  * Author:
  22  *   Emmanuele Bassi <ebassi@linux.intel.com>
  23  */
  24
  25 #if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
  26 #error "Only <clutter/clutter.h> can be directly included."
  27 #endif
  28
  29 #ifndef __CLUTTER_DROP_ACTION_H__
  30 #define __CLUTTER_DROP_ACTION_H__
  31
  32 #include <clutter/clutter-action.h>
  33
  34 G_BEGIN_DECLS
  35
  36 #define CLUTTER_TYPE_DROP_ACTION                (clutter_drop_action_get_type ())
  37 #define CLUTTER_DROP_ACTION(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_DROP_ACTION, ClutterDropAction))
  38 #define CLUTTER_IS_DROP_ACTION(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_DROP_ACTION))
  39 #define CLUTTER_DROP_ACTION_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_DROP_ACTION, ClutterDropActionClass))
  40 #define CLUTTER_IS_DROP_ACTION_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_DROP_ACTION))
  41 #define CLUTTER_DROP_ACTION_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_DROP_ACTION, ClutterDropActionClass))
  42
  43 typedef struct _ClutterDropAction               ClutterDropAction;
  44 typedef struct _ClutterDropActionPrivate        ClutterDropActionPrivate;
  45 typedef struct _ClutterDropActionClass          ClutterDropActionClass;
  46
  47 /**
  48  * ClutterDropAction:
  49  *
  50  * The <structname>ClutterDropAction</structname> structure contains only
  51  * private data and should be accessed using the provided API.
  52  *
  53  * Since: 1.8
  54  */
  55 struct _ClutterDropAction
  56 {
  57   /*< private >*/
  58   ClutterAction parent_instance;
  59
  60   ClutterDropActionPrivate *priv;
  61 };
  62
  63 /**
  64  * ClutterDropActionClass:
  65  * @can_drop: class handler for the #ClutterDropAction::can-drop signal
  66  * @over_in: class handler for the #ClutterDropAction::over-in signal
  67  * @over_out: class handler for the #ClutterDropAction::over-out signal
  68  * @drop: class handler for the #ClutterDropAction::drop signal
  69  *
  70  * The <structname>ClutterDropActionClass</structname> structure contains
  71  * only private data.
  72  *
  73  * Since: 1.8
  74  */
  75 struct _ClutterDropActionClass
  76 {
  77   /*< private >*/
  78   ClutterActionClass parent_class;
  79
  80   /*< public >*/
  81   gboolean (* can_drop) (ClutterDropAction *action,
  82                          ClutterActor      *actor,
  83                          gfloat             event_x,
  84                          gfloat             event_y);
  85
  86   void     (* over_in)  (ClutterDropAction *action,
  87                          ClutterActor      *actor);
  88   void     (* over_out) (ClutterDropAction *action,
  89                          ClutterActor      *actor);
  90
  91   void     (* drop)     (ClutterDropAction *action,
  92                          ClutterActor      *actor,
  93                          gfloat             event_x,
  94                          gfloat             event_y);
  95
  96   /*< private >*/
  97   void (*_clutter_drop_action1) (void);
  98   void (*_clutter_drop_action2) (void);
  99   void (*_clutter_drop_action3) (void);
 100   void (*_clutter_drop_action4) (void);
 101   void (*_clutter_drop_action5) (void);
 102   void (*_clutter_drop_action6) (void);
 103   void (*_clutter_drop_action7) (void);
 104   void (*_clutter_drop_action8) (void);
 105 };
 106
 107 GType clutter_drop_action_get_type (void) G_GNUC_CONST;
 108
 109 ClutterAction *         clutter_drop_action_new         (void);
 110
 111 G_END_DECLS
 112
 113 #endif /* __CLUTTER_DROP_ACTION_H__ */