forked from AuroraMiddleware/gtk
140 lines
6.9 KiB
C
140 lines
6.9 KiB
C
/* gtkcellareacontext.h
|
||
*
|
||
* Copyright (C) 2010 Openismus GmbH
|
||
*
|
||
* Authors:
|
||
* Tristan Van Berkom <tristanvb@openismus.com>
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Library General Public
|
||
* License as published by the Free Software Foundation; either
|
||
* version 2 of the License, or (at your option) any later version.
|
||
*
|
||
* This library is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
* Library General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU Library General Public
|
||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||
*/
|
||
|
||
#ifndef __GTK_CELL_AREA_CONTEXT_H__
|
||
#define __GTK_CELL_AREA_CONTEXT_H__
|
||
|
||
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
|
||
#error "Only <gtk/gtk.h> can be included directly."
|
||
#endif
|
||
|
||
#include <gtk/gtkcellarea.h>
|
||
|
||
G_BEGIN_DECLS
|
||
|
||
#define GTK_TYPE_CELL_AREA_CONTEXT (gtk_cell_area_context_get_type ())
|
||
#define GTK_CELL_AREA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContext))
|
||
#define GTK_CELL_AREA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContextClass))
|
||
#define GTK_IS_CELL_AREA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_CONTEXT))
|
||
#define GTK_IS_CELL_AREA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_CONTEXT))
|
||
#define GTK_CELL_AREA_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_CONTEXT, GtkCellAreaContextClass))
|
||
|
||
typedef struct _GtkCellAreaContextPrivate GtkCellAreaContextPrivate;
|
||
typedef struct _GtkCellAreaContextClass GtkCellAreaContextClass;
|
||
|
||
struct _GtkCellAreaContext
|
||
{
|
||
/*< private >*/
|
||
GObject parent_instance;
|
||
};
|
||
|
||
/**
|
||
* GtkCellAreaContextClass:
|
||
* @allocate: This tells the context that an allocation width or height
|
||
* (or both) have been decided for a group of rows. The context should
|
||
* store any allocations for internally aligned cells at this point so
|
||
* that they dont need to be recalculated at gtk_cell_area_render() time.
|
||
* @reset: Clear any previously stored information about requested and
|
||
* allocated sizes for the context.
|
||
* @get_preferred_height_for_width: Returns the aligned height for the given
|
||
* width that context must store while collecting sizes for it’s rows.
|
||
* @get_preferred_width_for_height: Returns the aligned width for the given
|
||
* height that context must store while collecting sizes for it’s rows.
|
||
*/
|
||
struct _GtkCellAreaContextClass
|
||
{
|
||
/*< private >*/
|
||
GObjectClass parent_class;
|
||
|
||
/*< public >*/
|
||
void (* allocate) (GtkCellAreaContext *context,
|
||
int width,
|
||
int height);
|
||
void (* reset) (GtkCellAreaContext *context);
|
||
void (* get_preferred_height_for_width) (GtkCellAreaContext *context,
|
||
int width,
|
||
int *minimum_height,
|
||
int *natural_height);
|
||
void (* get_preferred_width_for_height) (GtkCellAreaContext *context,
|
||
int height,
|
||
int *minimum_width,
|
||
int *natural_width);
|
||
|
||
/*< private >*/
|
||
|
||
gpointer padding[8];
|
||
};
|
||
|
||
GDK_AVAILABLE_IN_ALL
|
||
GType gtk_cell_area_context_get_type (void) G_GNUC_CONST;
|
||
|
||
/* Main apis */
|
||
GDK_AVAILABLE_IN_ALL
|
||
GtkCellArea *gtk_cell_area_context_get_area (GtkCellAreaContext *context);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_allocate (GtkCellAreaContext *context,
|
||
int width,
|
||
int height);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_reset (GtkCellAreaContext *context);
|
||
|
||
/* Apis for GtkCellArea clients to consult cached values
|
||
* for a series of GtkTreeModel rows
|
||
*/
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_get_preferred_width (GtkCellAreaContext *context,
|
||
int *minimum_width,
|
||
int *natural_width);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_get_preferred_height (GtkCellAreaContext *context,
|
||
int *minimum_height,
|
||
int *natural_height);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_get_preferred_height_for_width (GtkCellAreaContext *context,
|
||
int width,
|
||
int *minimum_height,
|
||
int *natural_height);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_get_preferred_width_for_height (GtkCellAreaContext *context,
|
||
int height,
|
||
int *minimum_width,
|
||
int *natural_width);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_get_allocation (GtkCellAreaContext *context,
|
||
int *width,
|
||
int *height);
|
||
|
||
/* Apis for GtkCellArea implementations to update cached values
|
||
* for multiple GtkTreeModel rows
|
||
*/
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_push_preferred_width (GtkCellAreaContext *context,
|
||
int minimum_width,
|
||
int natural_width);
|
||
GDK_AVAILABLE_IN_ALL
|
||
void gtk_cell_area_context_push_preferred_height (GtkCellAreaContext *context,
|
||
int minimum_height,
|
||
int natural_height);
|
||
|
||
G_END_DECLS
|
||
|
||
#endif /* __GTK_CELL_AREA_CONTEXT_H__ */
|