gtk2/gtk/gtkcellarea.h
Tristan Van Berkom b5e529f578 Added GtkCellAreaIter class
Added base class to hold alignment and overall size request information
while itterating over the size requests of various rows of a GtkTreeModel,
updated GtkCellArea/GtkCellAreaBox classes accordingly.
2010-10-26 17:14:20 +09:00

191 lines
8.4 KiB
C

/* gtkcellarea.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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_CELL_AREA_H__
#define __GTK_CELL_AREA_H__
#include <gtk/gtkcellrenderer.h>
#include <gtk/gtkwidget.h>
#include <gtk/gtktreemodel.h>
#include <gtk/gtkcellareaiter.h>
G_BEGIN_DECLS
#define GTK_TYPE_CELL_AREA (gtk_cell_area_get_type ())
#define GTK_CELL_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA, GtkCellArea))
#define GTK_CELL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA, GtkCellAreaClass))
#define GTK_IS_CELL_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA))
#define GTK_IS_CELL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA))
#define GTK_CELL_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA, GtkCellAreaClass))
typedef struct _GtkCellArea GtkCellArea;
typedef struct _GtkCellAreaClass GtkCellAreaClass;
typedef struct _GtkCellAreaPrivate GtkCellAreaPrivate;
/**
* GtkCellCallback:
* @renderer: the cell renderer to operate on
* @data: user-supplied data
*
* The type of the callback functions used for iterating over
* the cell renderers of a #GtkCellArea, see gtk_cell_area_forall().
*/
typedef void (*GtkCellCallback) (GtkCellRenderer *renderer,
gpointer data);
struct _GtkCellArea
{
GInitiallyUnowned parent_instance;
GtkCellAreaPrivate *priv;
};
struct _GtkCellAreaClass
{
GInitiallyUnownedClass parent_class;
/* vtable - not signals */
/* Basic methods */
void (* add) (GtkCellArea *area,
GtkCellRenderer *renderer);
void (* remove) (GtkCellArea *area,
GtkCellRenderer *renderer);
void (* forall) (GtkCellArea *area,
GtkCellCallback callback,
gpointer callback_data);
gint (* event) (GtkCellArea *area,
GtkWidget *widget,
GdkEvent *event,
const GdkRectangle *cell_area);
void (* render) (GtkCellArea *area,
cairo_t *cr,
GtkWidget *widget,
const GdkRectangle *cell_area);
/* Geometry */
GtkCellAreaIter *(* create_iter) (GtkCellArea *area);
GtkSizeRequestMode (* get_request_mode) (GtkCellArea *area);
void (* get_preferred_width) (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
void (* get_preferred_height_for_width) (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint width,
gint *minimum_height,
gint *natural_height);
void (* get_preferred_height) (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
void (* get_preferred_width_for_height) (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint height,
gint *minimum_width,
gint *natural_width);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
void (*_gtk_reserved8) (void);
};
GType gtk_cell_area_get_type (void) G_GNUC_CONST;
/* Basic methods */
void gtk_cell_area_add (GtkCellArea *area,
GtkCellRenderer *renderer);
void gtk_cell_area_remove (GtkCellArea *area,
GtkCellRenderer *renderer);
void gtk_cell_area_forall (GtkCellArea *area,
GtkCellCallback callback,
gpointer callback_data);
gint gtk_cell_area_event (GtkCellArea *area,
GtkWidget *widget,
GdkEvent *event,
const GdkRectangle *cell_area);
void gtk_cell_area_render (GtkCellArea *area,
cairo_t *cr,
GtkWidget *widget,
const GdkRectangle *cell_area);
/* Geometry */
GtkCellAreaIter *gtk_cell_area_create_iter (GtkCellArea *area);
GtkSizeRequestMode gtk_cell_area_get_request_mode (GtkCellArea *area);
void gtk_cell_area_get_preferred_width (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
void gtk_cell_area_get_preferred_height_for_width (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint width,
gint *minimum_height,
gint *natural_height);
void gtk_cell_area_get_preferred_height (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size);
void gtk_cell_area_get_preferred_width_for_height (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
gint height,
gint *minimum_width,
gint *natural_width);
/* Following apis are not class virtual methods */
void gtk_cell_area_apply_attributes (GtkCellArea *area,
GtkTreeModel *tree_model,
GtkTreeIter *iter);
void gtk_cell_area_attribute_connect (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *attribute,
gint column);
void gtk_cell_area_attribute_disconnect (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *attribute);
G_END_DECLS
#endif /* __GTK_CELL_AREA_H__ */