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, 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_BOX_CONTEXT_H__
  29 #define __GTK_CELL_AREA_BOX_CONTEXT_H__
  30
  31 #include <gtk/gtkcellareacontext.h>
  32 #include <gtk/gtkcellareabox.h>
  33 #include <gtk/gtkcellrenderer.h>
  34 #include <gtk/gtksizerequest.h>
  35
  36 G_BEGIN_DECLS
  37
  38 #define GTK_TYPE_CELL_AREA_BOX_CONTEXT            (_gtk_cell_area_box_context_get_type ())
  39 #define GTK_CELL_AREA_BOX_CONTEXT(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_BOX_CONTEXT, GtkCellAreaBoxContext))
  40 #define GTK_CELL_AREA_BOX_CONTEXT_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_BOX_CONTEXT, GtkCellAreaBoxContextClass))
  41 #define GTK_IS_CELL_AREA_BOX_CONTEXT(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_BOX_CONTEXT))
  42 #define GTK_IS_CELL_AREA_BOX_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_BOX_CONTEXT))
  43 #define GTK_CELL_AREA_BOX_CONTEXT_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_BOX_CONTEXT, GtkCellAreaBoxContextClass))
  44
  45 typedef struct _GtkCellAreaBoxContext              GtkCellAreaBoxContext;
  46 typedef struct _GtkCellAreaBoxContextClass         GtkCellAreaBoxContextClass;
  47 typedef struct _GtkCellAreaBoxContextPrivate       GtkCellAreaBoxContextPrivate;
  48
  49 struct _GtkCellAreaBoxContext
  50 {
  51   GtkCellAreaContext parent_instance;
  52
  53   GtkCellAreaBoxContextPrivate *priv;
  54 };
  55
  56 struct _GtkCellAreaBoxContextClass
  57 {
  58   GtkCellAreaContextClass parent_class;
  59
  60 };
  61
  62 GType   _gtk_cell_area_box_context_get_type                     (void) G_GNUC_CONST;
  63
  64
  65 /* Create a duplicate of the context */
  66 GtkCellAreaBoxContext *_gtk_cell_area_box_context_copy          (GtkCellAreaBox        *box,
  67                                                                 GtkCellAreaBoxContext *box_context);
  68
  69 /* Initialize group array dimensions */
  70 void    _gtk_cell_area_box_init_groups                         (GtkCellAreaBoxContext *box_context,
  71                                                                 guint                  n_groups,
  72                                                                 gboolean              *expand_groups,
  73                                                                 gboolean              *align_groups);
  74
  75 /* Update cell-group sizes */
  76 void    _gtk_cell_area_box_context_push_group_width             (GtkCellAreaBoxContext *box_context,
  77                                                                 gint                   group_idx,
  78                                                                 gint                   minimum_width,
  79                                                                 gint                   natural_width);
  80
  81 void    _gtk_cell_area_box_context_push_group_height_for_width  (GtkCellAreaBoxContext *box_context,
  82                                                                 gint                   group_idx,
  83                                                                 gint                   for_width,
  84                                                                 gint                   minimum_height,
  85                                                                 gint                   natural_height);
  86
  87 void    _gtk_cell_area_box_context_push_group_height            (GtkCellAreaBoxContext *box_context,
  88                                                                 gint                   group_idx,
  89                                                                 gint                   minimum_height,
  90                                                                 gint                   natural_height);
  91
  92 void    _gtk_cell_area_box_context_push_group_width_for_height  (GtkCellAreaBoxContext *box_context,
  93                                                                 gint                   group_idx,
  94                                                                 gint                   for_height,
  95                                                                 gint                   minimum_width,
  96                                                                 gint                   natural_width);
  97
  98 /* Fetch cell-group sizes */
  99 void    _gtk_cell_area_box_context_get_group_width              (GtkCellAreaBoxContext *box_context,
 100                                                                 gint                   group_idx,
 101                                                                 gint                  *minimum_width,
 102                                                                 gint                  *natural_width);
 103
 104 void    _gtk_cell_area_box_context_get_group_height_for_width   (GtkCellAreaBoxContext *box_context,
 105                                                                 gint                   group_idx,
 106                                                                 gint                   for_width,
 107                                                                 gint                  *minimum_height,
 108                                                                 gint                  *natural_height);
 109
 110 void    _gtk_cell_area_box_context_get_group_height             (GtkCellAreaBoxContext *box_context,
 111                                                                 gint                   group_idx,
 112                                                                 gint                  *minimum_height,
 113                                                                 gint                  *natural_height);
 114
 115 void    _gtk_cell_area_box_context_get_group_width_for_height   (GtkCellAreaBoxContext *box_context,
 116                                                                 gint                   group_idx,
 117                                                                 gint                   for_height,
 118                                                                 gint                  *minimum_width,
 119                                                                 gint                  *natural_width);
 120
 121 GtkRequestedSize *_gtk_cell_area_box_context_get_widths         (GtkCellAreaBoxContext *box_context,
 122                                                                 gint                  *n_widths);
 123 GtkRequestedSize *_gtk_cell_area_box_context_get_heights        (GtkCellAreaBoxContext *box_context,
 124                                                                 gint                  *n_heights);
 125
 126 /* Private context/area interaction */
 127 typedef struct {
 128   gint group_idx; /* Groups containing only invisible cells are not allocated */
 129   gint position;  /* Relative group allocation position in the orientation of the box */
 130   gint size;      /* Full allocated size of the cells in this group spacing inclusive */
 131 } GtkCellAreaBoxAllocation;
 132
 133 GtkCellAreaBoxAllocation *
 134 _gtk_cell_area_box_context_get_orientation_allocs (GtkCellAreaBoxContext *context,
 135                                                   gint                  *n_allocs);
 136
 137 G_END_DECLS
 138
 139 #endif /* __GTK_CELL_AREA_BOX_CONTEXT_H__ */