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/* 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>
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;
typedef struct _GtkCellAreaIter GtkCellAreaIter;
/**
* 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,
GtkCellAreaIter *iter,
GtkWidget *widget,
GdkEvent *event,
const GdkRectangle *cell_area,
GtkCellRendererState flags);
void (* render) (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
cairo_t *cr,
const GdkRectangle *cell_area,
GtkCellRendererState flags);
/* 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);
/* Cell Properties */
void (* set_cell_property) (GtkCellArea *area,
GtkCellRenderer *renderer,
guint property_id,
const GValue *value,
GParamSpec *pspec);
void (* get_cell_property) (GtkCellArea *area,
GtkCellRenderer *renderer,
guint property_id,
GValue *value,
GParamSpec *pspec);
/* Focus */
void (* grab_focus) (GtkCellArea *area,
GtkDirectionType direction);
/* 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,
GtkCellAreaIter *iter,
GtkWidget *widget,
GdkEvent *event,
const GdkRectangle *cell_area,
GtkCellRendererState flags);
void gtk_cell_area_render (GtkCellArea *area,
GtkCellAreaIter *iter,
GtkWidget *widget,
cairo_t *cr,
const GdkRectangle *cell_area,
GtkCellRendererState flags);
/* 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);
/* Attributes */
void gtk_cell_area_apply_attributes (GtkCellArea *area,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gboolean is_expander,
gboolean is_expanded);
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);
/* Cell Properties */
void gtk_cell_area_class_install_cell_property (GtkCellAreaClass *aclass,
guint property_id,
GParamSpec *pspec);
GParamSpec* gtk_cell_area_class_find_cell_property (GtkCellAreaClass *aclass,
const gchar *property_name);
GParamSpec** gtk_cell_area_class_list_cell_properties (GtkCellAreaClass *aclass,
guint *n_properties);
void gtk_cell_area_add_with_properties (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *first_prop_name,
...) G_GNUC_NULL_TERMINATED;
void gtk_cell_area_cell_set (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *first_prop_name,
...) G_GNUC_NULL_TERMINATED;
void gtk_cell_area_cell_get (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *first_prop_name,
...) G_GNUC_NULL_TERMINATED;
void gtk_cell_area_cell_set_valist (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *first_property_name,
va_list var_args);
void gtk_cell_area_cell_get_valist (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *first_property_name,
va_list var_args);
void gtk_cell_area_cell_set_property (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *property_name,
const GValue *value);
void gtk_cell_area_cell_get_property (GtkCellArea *area,
GtkCellRenderer *renderer,
const gchar *property_name,
GValue *value);
#define GTK_CELL_AREA_WARN_INVALID_CHILD_PROPERTY_ID(object, property_id, pspec) \
G_OBJECT_WARN_INVALID_PSPEC ((object), "cell property id", (property_id), (pspec))
/* Focus */
void gtk_cell_area_grab_focus (GtkCellArea *area,
GtkDirectionType direction);
void gtk_cell_area_focus_leave (GtkCellArea *area,
GtkDirectionType direction,
const gchar *path);
void gtk_cell_area_set_can_focus (GtkCellArea *area,
gboolean can_focus);
gboolean gtk_cell_area_get_can_focus (GtkCellArea *area);
void gtk_cell_area_set_focus_cell (GtkCellArea *area,
GtkCellRenderer *renderer);
GtkCellRenderer *gtk_cell_area_get_focus_cell (GtkCellArea *area);
/* Margins */
gint gtk_cell_area_get_cell_margin_left (GtkCellArea *area);
void gtk_cell_area_set_cell_margin_left (GtkCellArea *area,
gint margin);
gint gtk_cell_area_get_cell_margin_right (GtkCellArea *area);
void gtk_cell_area_set_cell_margin_right (GtkCellArea *area,
gint margin);
gint gtk_cell_area_get_cell_margin_top (GtkCellArea *area);
void gtk_cell_area_set_cell_margin_top (GtkCellArea *area,
gint margin);
gint gtk_cell_area_get_cell_margin_bottom (GtkCellArea *area);
void gtk_cell_area_set_cell_margin_bottom (GtkCellArea *area,
gint margin);
/* Functions for area implementations */
/* Distinguish the inner cell area from the whole requested area including margins */
void gtk_cell_area_inner_cell_area (GtkCellArea *area,
GdkRectangle *cell_area,
GdkRectangle *inner_cell_area);
/* Request the size of a cell while respecting the cell margins (requests are margin inclusive) */
void gtk_cell_area_request_renderer (GtkCellArea *area,
GtkCellRenderer *renderer,
GtkOrientation orientation,
GtkWidget *widget,
gint for_size,
gint *minimum_size,
gint *natural_size);
G_END_DECLS
#endif /* __GTK_CELL_AREA_H__ */
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