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 <gail/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__ */ 85