forked from AuroraMiddleware/gtk
157 lines
7.3 KiB
C
157 lines
7.3 KiB
C
/* gtkcellareaiter.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_ITER_H__
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#define __GTK_CELL_AREA_ITER_H__
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#include <gtk/gtkcellarea.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_CELL_AREA_ITER (gtk_cell_area_iter_get_type ())
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#define GTK_CELL_AREA_ITER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIter))
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#define GTK_CELL_AREA_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIterClass))
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#define GTK_IS_CELL_AREA_ITER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_ITER))
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#define GTK_IS_CELL_AREA_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_ITER))
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#define GTK_CELL_AREA_ITER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIterClass))
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typedef struct _GtkCellAreaIterPrivate GtkCellAreaIterPrivate;
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typedef struct _GtkCellAreaIterClass GtkCellAreaIterClass;
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struct _GtkCellAreaIter
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{
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GObject parent_instance;
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GtkCellAreaIterPrivate *priv;
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};
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struct _GtkCellAreaIterClass
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{
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GObjectClass parent_class;
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/* Subclasses can use this to flush their alignments/allocations */
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void (* flush_preferred_width) (GtkCellAreaIter *iter);
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void (* flush_preferred_height_for_width) (GtkCellAreaIter *iter,
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gint width);
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void (* flush_preferred_height) (GtkCellAreaIter *iter);
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void (* flush_preferred_width_for_height) (GtkCellAreaIter *iter,
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gint height);
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void (* flush_allocation) (GtkCellAreaIter *iter);
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/* These must be invoked after a series of requests before consulting
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* the iter values, implementors use this to push the overall
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* requests while acconting for any internal alignments */
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void (* sum_preferred_width) (GtkCellAreaIter *iter);
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void (* sum_preferred_height_for_width) (GtkCellAreaIter *iter,
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gint width);
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void (* sum_preferred_height) (GtkCellAreaIter *iter);
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void (* sum_preferred_width_for_height) (GtkCellAreaIter *iter,
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gint height);
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/* Store an allocation value for a GtkCellArea contextual to a range of
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* treemodel rows */
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void (* allocate_width) (GtkCellAreaIter *iter,
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gint width);
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void (* allocate_height) (GtkCellAreaIter *iter,
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gint height);
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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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};
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GType gtk_cell_area_iter_get_type (void) G_GNUC_CONST;
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GtkCellArea *gtk_cell_area_iter_get_area (GtkCellAreaIter *iter);
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/* Apis for GtkCellArea clients to flush the cache */
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void gtk_cell_area_iter_flush (GtkCellAreaIter *iter);
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void gtk_cell_area_iter_flush_preferred_width (GtkCellAreaIter *iter);
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void gtk_cell_area_iter_flush_preferred_height_for_width (GtkCellAreaIter *iter,
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gint for_width);
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void gtk_cell_area_iter_flush_preferred_height (GtkCellAreaIter *iter);
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void gtk_cell_area_iter_flush_preferred_width_for_height (GtkCellAreaIter *iter,
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gint for_height);
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void gtk_cell_area_iter_flush_allocation (GtkCellAreaIter *iter);
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/* Apis for GtkCellArea clients to sum up the results of a series of requests, this
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* call is required to reduce the processing while calculating the size of each row */
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void gtk_cell_area_iter_sum_preferred_width (GtkCellAreaIter *iter);
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void gtk_cell_area_iter_sum_preferred_height_for_width (GtkCellAreaIter *iter,
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gint for_width);
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void gtk_cell_area_iter_sum_preferred_height (GtkCellAreaIter *iter);
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void gtk_cell_area_iter_sum_preferred_width_for_height (GtkCellAreaIter *iter,
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gint for_height);
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/* Apis to set an allocation size in one dimension or another, the subclass specific iter
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* will store allocated positions/sizes for individual cells or groups of cells */
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void gtk_cell_area_iter_allocate_width (GtkCellAreaIter *iter,
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gint width);
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void gtk_cell_area_iter_allocate_height (GtkCellAreaIter *iter,
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gint height);
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/* Apis for GtkCellArea clients to consult cached values for multiple GtkTreeModel rows */
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void gtk_cell_area_iter_get_preferred_width (GtkCellAreaIter *iter,
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gint *minimum_width,
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gint *natural_width);
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void gtk_cell_area_iter_get_preferred_height_for_width (GtkCellAreaIter *iter,
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gint for_width,
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gint *minimum_height,
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gint *natural_height);
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void gtk_cell_area_iter_get_preferred_height (GtkCellAreaIter *iter,
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gint *minimum_height,
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gint *natural_height);
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void gtk_cell_area_iter_get_preferred_width_for_height (GtkCellAreaIter *iter,
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gint for_height,
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gint *minimum_width,
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gint *natural_width);
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void gtk_cell_area_iter_get_allocation (GtkCellAreaIter *iter,
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gint *width,
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gint *height);
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/* Apis for GtkCellArea implementations to update cached values for multiple GtkTreeModel rows */
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void gtk_cell_area_iter_push_preferred_width (GtkCellAreaIter *iter,
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gint minimum_width,
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gint natural_width);
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void gtk_cell_area_iter_push_preferred_height_for_width (GtkCellAreaIter *iter,
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gint for_width,
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gint minimum_height,
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gint natural_height);
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void gtk_cell_area_iter_push_preferred_height (GtkCellAreaIter *iter,
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gint minimum_height,
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gint natural_height);
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void gtk_cell_area_iter_push_preferred_width_for_height (GtkCellAreaIter *iter,
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gint for_height,
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gint minimum_width,
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gint natural_width);
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G_END_DECLS
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#endif /* __GTK_CELL_AREA_ITER_H__ */
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