Pileus Git - ~andy/gtk/blob - gtk/gtkcellareaiter.h

   1 /* gtkcellareaiter.h
   2  *
   3  * Copyright (C) 2010 Openismus GmbH
   4  *
   5  * Authors:
   6  *      Tristan Van Berkom <tristanvb@openismus.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Library General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Library General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Library General Public
  19  * License along with this library; if not, write to the
  20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21  * Boston, MA 02111-1307, USA.
  22  */
  23
  24 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
  25 #error "Only <gtk/gtk.h> can be included directly."
  26 #endif
  27
  28 #ifndef __GTK_CELL_AREA_ITER_H__
  29 #define __GTK_CELL_AREA_ITER_H__
  30
  31 #include <glib-object.h>
  32
  33 G_BEGIN_DECLS
  34
  35 #define GTK_TYPE_CELL_AREA_ITER           (gtk_cell_area_iter_get_type ())
  36 #define GTK_CELL_AREA_ITER(obj)           (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIter))
  37 #define GTK_CELL_AREA_ITER_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIterClass))
  38 #define GTK_IS_CELL_AREA_ITER(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_ITER))
  39 #define GTK_IS_CELL_AREA_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_ITER))
  40 #define GTK_CELL_AREA_ITER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIterClass))
  41
  42 typedef struct _GtkCellAreaIter              GtkCellAreaIter;
  43 typedef struct _GtkCellAreaIterPrivate       GtkCellAreaIterPrivate;
  44 typedef struct _GtkCellAreaIterClass         GtkCellAreaIterClass;
  45
  46 struct _GtkCellAreaIter
  47 {
  48   GObject parent_instance;
  49
  50   GtkCellAreaIterPrivate *priv;
  51 };
  52
  53 struct _GtkCellAreaIterClass
  54 {
  55   GObjectClass parent_class;
  56
  57   /* Subclasses can use this to flush their alignments */
  58   void    (* flush_preferred_width)              (GtkCellAreaIter *iter);
  59   void    (* flush_preferred_height_for_width)   (GtkCellAreaIter *iter,
  60                                                   gint             width);
  61   void    (* flush_preferred_height)             (GtkCellAreaIter *iter);
  62   void    (* flush_preferred_width_for_height)   (GtkCellAreaIter *iter,
  63                                                   gint             height);
  64
  65   /* Padding for future expansion */
  66   void (*_gtk_reserved1) (void);
  67   void (*_gtk_reserved2) (void);
  68   void (*_gtk_reserved3) (void);
  69   void (*_gtk_reserved4) (void);
  70 };
  71
  72 GType   gtk_cell_area_iter_get_type                           (void) G_GNUC_CONST;
  73
  74 /* Apis for GtkCellArea clients to consult cached values for multiple GtkTreeModel rows */
  75 void    gtk_cell_area_iter_get_preferred_width                (GtkCellAreaIter *iter,
  76                                                                gint            *minimum_width,
  77                                                                gint            *natural_width);
  78 void    gtk_cell_area_iter_get_preferred_height_for_width     (GtkCellAreaIter *iter,
  79                                                                gint             for_width,
  80                                                                gint            *minimum_height,
  81                                                                gint            *natural_height);
  82 void    gtk_cell_area_iter_get_preferred_height               (GtkCellAreaIter *iter,
  83                                                                gint            *minimum_height,
  84                                                                gint            *natural_height);
  85 void    gtk_cell_area_iter_get_preferred_width_for_height     (GtkCellAreaIter *iter,
  86                                                                gint             for_height,
  87                                                                gint            *minimum_width,
  88                                                                gint            *natural_width);
  89
  90 /* Apis for GtkCellArea implementations to update cached values for multiple GtkTreeModel rows */
  91 void    gtk_cell_area_iter_push_preferred_width               (GtkCellAreaIter *iter,
  92                                                                gint             minimum_width,
  93                                                                gint             natural_width);
  94 void    gtk_cell_area_iter_push_preferred_height_for_width    (GtkCellAreaIter *iter,
  95                                                                gint             for_width,
  96                                                                gint             minimum_height,
  97                                                                gint             natural_height);
  98 void    gtk_cell_area_iter_push_preferred_height              (GtkCellAreaIter *iter,
  99                                                                gint             minimum_height,
 100                                                                gint             natural_height);
 101 void    gtk_cell_area_iter_push_preferred_width_for_height    (GtkCellAreaIter *iter,
 102                                                                gint             for_height,
 103                                                                gint             minimum_width,
 104                                                                gint             natural_width);
 105
 106 /* Apis for GtkCellArea clients to flush the cache */
 107 void    gtk_cell_area_iter_flush                              (GtkCellAreaIter *iter);
 108 void    gtk_cell_area_iter_flush_preferred_width              (GtkCellAreaIter *iter);
 109 void    gtk_cell_area_iter_flush_preferred_height_for_width   (GtkCellAreaIter *iter,
 110                                                                gint             for_width);
 111 void    gtk_cell_area_iter_flush_preferred_height             (GtkCellAreaIter *iter);
 112 void    gtk_cell_area_iter_flush_preferred_width_for_height   (GtkCellAreaIter *iter,
 113                                                                gint             for_height);
 114
 115 G_END_DECLS
 116
 117 #endif /* __GTK_CELL_AREA_ITER_H__ */