forked from AuroraMiddleware/gtk
b5e529f578
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.
191 lines
8.4 KiB
C
191 lines
8.4 KiB
C
/* gtkcellarea.h
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*
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* Copyright (C) 2010 Openismus GmbH
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*
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* Authors:
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* Tristan Van Berkom <tristanvb@openismus.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_CELL_AREA_H__
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#define __GTK_CELL_AREA_H__
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#include <gtk/gtkcellrenderer.h>
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#include <gtk/gtkwidget.h>
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#include <gtk/gtktreemodel.h>
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#include <gtk/gtkcellareaiter.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_CELL_AREA (gtk_cell_area_get_type ())
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#define GTK_CELL_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA, GtkCellArea))
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#define GTK_CELL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA, GtkCellAreaClass))
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#define GTK_IS_CELL_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA))
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#define GTK_IS_CELL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA))
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#define GTK_CELL_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA, GtkCellAreaClass))
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typedef struct _GtkCellArea GtkCellArea;
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typedef struct _GtkCellAreaClass GtkCellAreaClass;
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typedef struct _GtkCellAreaPrivate GtkCellAreaPrivate;
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/**
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* GtkCellCallback:
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* @renderer: the cell renderer to operate on
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* @data: user-supplied data
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*
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* The type of the callback functions used for iterating over
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* the cell renderers of a #GtkCellArea, see gtk_cell_area_forall().
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*/
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typedef void (*GtkCellCallback) (GtkCellRenderer *renderer,
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gpointer data);
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struct _GtkCellArea
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{
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GInitiallyUnowned parent_instance;
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GtkCellAreaPrivate *priv;
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};
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struct _GtkCellAreaClass
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{
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GInitiallyUnownedClass parent_class;
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/* vtable - not signals */
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/* Basic methods */
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void (* add) (GtkCellArea *area,
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GtkCellRenderer *renderer);
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void (* remove) (GtkCellArea *area,
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GtkCellRenderer *renderer);
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void (* forall) (GtkCellArea *area,
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GtkCellCallback callback,
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gpointer callback_data);
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gint (* event) (GtkCellArea *area,
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GtkWidget *widget,
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GdkEvent *event,
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const GdkRectangle *cell_area);
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void (* render) (GtkCellArea *area,
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cairo_t *cr,
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GtkWidget *widget,
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const GdkRectangle *cell_area);
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/* Geometry */
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GtkCellAreaIter *(* create_iter) (GtkCellArea *area);
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GtkSizeRequestMode (* get_request_mode) (GtkCellArea *area);
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void (* get_preferred_width) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void (* get_preferred_height_for_width) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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void (* get_preferred_height) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void (* get_preferred_width_for_height) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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gint *natural_width);
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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void (*_gtk_reserved5) (void);
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void (*_gtk_reserved6) (void);
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void (*_gtk_reserved7) (void);
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void (*_gtk_reserved8) (void);
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};
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GType gtk_cell_area_get_type (void) G_GNUC_CONST;
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/* Basic methods */
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void gtk_cell_area_add (GtkCellArea *area,
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GtkCellRenderer *renderer);
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void gtk_cell_area_remove (GtkCellArea *area,
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GtkCellRenderer *renderer);
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void gtk_cell_area_forall (GtkCellArea *area,
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GtkCellCallback callback,
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gpointer callback_data);
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gint gtk_cell_area_event (GtkCellArea *area,
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GtkWidget *widget,
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GdkEvent *event,
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const GdkRectangle *cell_area);
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void gtk_cell_area_render (GtkCellArea *area,
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cairo_t *cr,
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GtkWidget *widget,
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const GdkRectangle *cell_area);
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/* Geometry */
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GtkCellAreaIter *gtk_cell_area_create_iter (GtkCellArea *area);
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GtkSizeRequestMode gtk_cell_area_get_request_mode (GtkCellArea *area);
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void gtk_cell_area_get_preferred_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void gtk_cell_area_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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void gtk_cell_area_get_preferred_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void gtk_cell_area_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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gint *natural_width);
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/* Following apis are not class virtual methods */
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void gtk_cell_area_apply_attributes (GtkCellArea *area,
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GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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void gtk_cell_area_attribute_connect (GtkCellArea *area,
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GtkCellRenderer *renderer,
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const gchar *attribute,
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gint column);
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void gtk_cell_area_attribute_disconnect (GtkCellArea *area,
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GtkCellRenderer *renderer,
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const gchar *attribute);
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G_END_DECLS
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#endif /* __GTK_CELL_AREA_H__ */
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