Pileus Git - ~andy/gtk/blob - gtk/a11y/gailcellparent.h

   1 /* GAIL - The GNOME Accessibility Implementation Library
   2  *
   3  * Copyright 2001 Sun Microsystems Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __GAIL_CELL_PARENT_H__
  22 #define __GAIL_CELL_PARENT_H__
  23
  24 #include <atk/atk.h>
  25 #include "gailcell.h"
  26
  27 G_BEGIN_DECLS
  28
  29 /*
  30  * The GailCellParent interface should be supported by any object which
  31  * contains children which are flyweights, i.e. do not have corresponding
  32  * widgets and the children need help from their parent to provide
  33  * functionality. One example is GailTreeView where the children GailCell
  34  * need help from the GailTreeView in order to implement
  35  * atk_component_get_extents
  36  */
  37
  38 #define GAIL_TYPE_CELL_PARENT            (gail_cell_parent_get_type ())
  39 #define GAIL_IS_CELL_PARENT(obj)         G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAIL_TYPE_CELL_PARENT)
  40 #define GAIL_CELL_PARENT(obj)            G_TYPE_CHECK_INSTANCE_CAST ((obj), GAIL_TYPE_CELL_PARENT, GailCellParent)
  41 #define GAIL_CELL_PARENT_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GAIL_TYPE_CELL_PARENT, GailCellParentIface))
  42
  43 #ifndef _TYPEDEF_GAIL_CELL_PARENT_
  44 #define _TYPEDEF_GAIL_CELL_PARENT_
  45 typedef struct _GailCellParent GailCellParent;
  46 #endif
  47 typedef struct _GailCellParentIface GailCellParentIface;
  48
  49 struct _GailCellParentIface
  50 {
  51   GTypeInterface parent;
  52   void                  ( *get_cell_extents)      (GailCellParent        *parent,
  53                                                    GailCell              *cell,
  54                                                    gint                  *x,
  55                                                    gint                  *y,
  56                                                    gint                  *width,
  57                                                    gint                  *height,
  58                                                    AtkCoordType          coord_type);
  59   void                  ( *get_cell_area)         (GailCellParent        *parent,
  60                                                    GailCell              *cell,
  61                                                    GdkRectangle          *cell_rect);
  62   gboolean              ( *grab_focus)            (GailCellParent        *parent,
  63                                                    GailCell              *cell);
  64 };
  65
  66 GType  gail_cell_parent_get_type               (void);
  67
  68 void   gail_cell_parent_get_cell_extents       (GailCellParent        *parent,
  69                                                 GailCell              *cell,
  70                                                 gint                  *x,
  71                                                 gint                  *y,
  72                                                 gint                  *width,
  73                                                 gint                  *height,
  74                                                 AtkCoordType          coord_type
  75 );
  76 void  gail_cell_parent_get_cell_area           (GailCellParent        *parent,
  77                                                 GailCell              *cell,
  78                                                 GdkRectangle          *cell_rect);
  79 gboolean gail_cell_parent_grab_focus           (GailCellParent        *parent,
  80                                                 GailCell              *cell);
  81
  82 G_END_DECLS
  83
  84 #endif /* __GAIL_CELL_PARENT_H__ */