atk/atkselection.h

   1 /* ATK -  Accessibility Toolkit
   2  * Copyright 2001 Sun Microsystems Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #if defined(ATK_DISABLE_SINGLE_INCLUDES) && !defined (__ATK_H_INSIDE__) && !defined (ATK_COMPILATION)
  21 #error "Only <atk/atk.h> can be included directly."
  22 #endif
  23
  24 #ifndef __ATK_SELECTION_H__
  25 #define __ATK_SELECTION_H__
  26
  27 #include <atk/atkobject.h>
  28
  29 G_BEGIN_DECLS
  30
  31 /*
  32  * This AtkSelection interface provides the standard mechanism for an
  33  * assistive technology to determine what the current selected children are,
  34  * as well as modify the selection set. Any object that has children that
  35  * can be selected should support the AtkSelection interface.
  36  */
  37
  38 #define ATK_TYPE_SELECTION                        (atk_selection_get_type ())
  39 #define ATK_IS_SELECTION(obj)                     G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_SELECTION)
  40 #define ATK_SELECTION(obj)                        G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_SELECTION, AtkSelection)
  41 #define ATK_SELECTION_GET_IFACE(obj)              (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_SELECTION, AtkSelectionIface))
  42
  43 #ifndef _TYPEDEF_ATK_SELECTION_
  44 #define _TYPEDEF_ATK_SELECTION_
  45 typedef struct _AtkSelection AtkSelection;
  46 #endif
  47 typedef struct _AtkSelectionIface AtkSelectionIface;
  48
  49 struct _AtkSelectionIface
  50 {
  51   GTypeInterface parent;
  52
  53   gboolean     (* add_selection)        (AtkSelection   *selection,
  54                                          gint           i);
  55   gboolean     (* clear_selection)      (AtkSelection   *selection);
  56   AtkObject*   (* ref_selection)        (AtkSelection   *selection,
  57                                          gint           i);
  58   gint         (* get_selection_count)  (AtkSelection   *selection);
  59   gboolean     (* is_child_selected)    (AtkSelection   *selection,
  60                                          gint           i);
  61   gboolean     (* remove_selection)     (AtkSelection   *selection,
  62                                          gint           i);
  63   gboolean     (* select_all_selection) (AtkSelection   *selection);
  64
  65   /* signal handlers */
  66
  67   void         (*selection_changed)     (AtkSelection   *selection);
  68
  69   AtkFunction  pad1;
  70   AtkFunction  pad2;
  71 };
  72
  73 GType atk_selection_get_type (void);
  74
  75 gboolean     atk_selection_add_selection        (AtkSelection   *selection,
  76                                                  gint           i);
  77
  78 gboolean     atk_selection_clear_selection      (AtkSelection   *selection);
  79
  80 AtkObject*   atk_selection_ref_selection        (AtkSelection   *selection,
  81                                                  gint           i);
  82
  83 gint         atk_selection_get_selection_count  (AtkSelection   *selection);
  84
  85 gboolean     atk_selection_is_child_selected    (AtkSelection   *selection,
  86                                                  gint           i);
  87
  88 gboolean     atk_selection_remove_selection     (AtkSelection   *selection,
  89                                                  gint           i);
  90
  91 gboolean     atk_selection_select_all_selection (AtkSelection   *selection);
  92
  93 G_END_DECLS
  94
  95 #endif /* __ATK_SELECTION_H__ */