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

   1 /* gtkcellareaboxcontext.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, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #ifndef __GTK_CELL_AREA_BOX_CONTEXT_H__
  23 #define __GTK_CELL_AREA_BOX_CONTEXT_H__
  24
  25 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
  26 #error "Only <gtk/gtk.h> can be included directly."
  27 #endif
  28
  29 #include <gtk/gtkcellareacontext.h>
  30 #include <gtk/gtkcellareabox.h>
  31 #include <gtk/gtkcellrenderer.h>
  32 #include <gtk/gtksizerequest.h>
  33
  34 G_BEGIN_DECLS
  35
  36 #define GTK_TYPE_CELL_AREA_BOX_CONTEXT            (_gtk_cell_area_box_context_get_type ())
  37 #define GTK_CELL_AREA_BOX_CONTEXT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_BOX_CONTEXT, GtkCellAreaBoxContext))
  38 #define GTK_CELL_AREA_BOX_CONTEXT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_BOX_CONTEXT, GtkCellAreaBoxContextClass))
  39 #define GTK_IS_CELL_AREA_BOX_CONTEXT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_BOX_CONTEXT))
  40 #define GTK_IS_CELL_AREA_BOX_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_BOX_CONTEXT))
  41 #define GTK_CELL_AREA_BOX_CONTEXT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_BOX_CONTEXT, GtkCellAreaBoxContextClass))
  42
  43 typedef struct _GtkCellAreaBoxContext              GtkCellAreaBoxContext;
  44 typedef struct _GtkCellAreaBoxContextClass         GtkCellAreaBoxContextClass;
  45 typedef struct _GtkCellAreaBoxContextPrivate       GtkCellAreaBoxContextPrivate;
  46
  47 struct _GtkCellAreaBoxContext
  48 {
  49   GtkCellAreaContext parent_instance;
  50
  51   GtkCellAreaBoxContextPrivate *priv;
  52 };
  53
  54 struct _GtkCellAreaBoxContextClass
  55 {
  56   GtkCellAreaContextClass parent_class;
  57
  58 };
  59
  60 GType   _gtk_cell_area_box_context_get_type                     (void) G_GNUC_CONST;
  61
  62
  63 /* Create a duplicate of the context */
  64 GtkCellAreaBoxContext *_gtk_cell_area_box_context_copy          (GtkCellAreaBox        *box,
  65                                                                 GtkCellAreaBoxContext *box_context);
  66
  67 /* Initialize group array dimensions */
  68 void    _gtk_cell_area_box_init_groups                         (GtkCellAreaBoxContext *box_context,
  69                                                                 guint                  n_groups,
  70                                                                 gboolean              *expand_groups,
  71                                                                 gboolean              *align_groups);
  72
  73 /* Update cell-group sizes */
  74 void    _gtk_cell_area_box_context_push_group_width             (GtkCellAreaBoxContext *box_context,
  75                                                                 gint                   group_idx,
  76                                                                 gint                   minimum_width,
  77                                                                 gint                   natural_width);
  78
  79 void    _gtk_cell_area_box_context_push_group_height_for_width  (GtkCellAreaBoxContext *box_context,
  80                                                                 gint                   group_idx,
  81                                                                 gint                   for_width,
  82                                                                 gint                   minimum_height,
  83                                                                 gint                   natural_height);
  84
  85 void    _gtk_cell_area_box_context_push_group_height            (GtkCellAreaBoxContext *box_context,
  86                                                                 gint                   group_idx,
  87                                                                 gint                   minimum_height,
  88                                                                 gint                   natural_height);
  89
  90 void    _gtk_cell_area_box_context_push_group_width_for_height  (GtkCellAreaBoxContext *box_context,
  91                                                                 gint                   group_idx,
  92                                                                 gint                   for_height,
  93                                                                 gint                   minimum_width,
  94                                                                 gint                   natural_width);
  95
  96 /* Fetch cell-group sizes */
  97 void    _gtk_cell_area_box_context_get_group_width              (GtkCellAreaBoxContext *box_context,
  98                                                                 gint                   group_idx,
  99                                                                 gint                  *minimum_width,
 100                                                                 gint                  *natural_width);
 101
 102 void    _gtk_cell_area_box_context_get_group_height_for_width   (GtkCellAreaBoxContext *box_context,
 103                                                                 gint                   group_idx,
 104                                                                 gint                   for_width,
 105                                                                 gint                  *minimum_height,
 106                                                                 gint                  *natural_height);
 107
 108 void    _gtk_cell_area_box_context_get_group_height             (GtkCellAreaBoxContext *box_context,
 109                                                                 gint                   group_idx,
 110                                                                 gint                  *minimum_height,
 111                                                                 gint                  *natural_height);
 112
 113 void    _gtk_cell_area_box_context_get_group_width_for_height   (GtkCellAreaBoxContext *box_context,
 114                                                                 gint                   group_idx,
 115                                                                 gint                   for_height,
 116                                                                 gint                  *minimum_width,
 117                                                                 gint                  *natural_width);
 118
 119 GtkRequestedSize *_gtk_cell_area_box_context_get_widths         (GtkCellAreaBoxContext *box_context,
 120                                                                 gint                  *n_widths);
 121 GtkRequestedSize *_gtk_cell_area_box_context_get_heights        (GtkCellAreaBoxContext *box_context,
 122                                                                 gint                  *n_heights);
 123
 124 /* Private context/area interaction */
 125 typedef struct {
 126   gint group_idx; /* Groups containing only invisible cells are not allocated */
 127   gint position;  /* Relative group allocation position in the orientation of the box */
 128   gint size;      /* Full allocated size of the cells in this group spacing inclusive */
 129 } GtkCellAreaBoxAllocation;
 130
 131 GtkCellAreaBoxAllocation *
 132 _gtk_cell_area_box_context_get_orientation_allocs (GtkCellAreaBoxContext *context,
 133                                                   gint                  *n_allocs);
 134
 135 G_END_DECLS
 136
 137 #endif /* __GTK_CELL_AREA_BOX_CONTEXT_H__ */