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

   1 /* gtktreeprivate.h
   2  * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef __GTK_TREE_PRIVATE_H__
  21 #define __GTK_TREE_PRIVATE_H__
  22
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif /* __cplusplus */
  27
  28 #include <gtk/gtktreeview.h>
  29 #include <gtk/gtktreeselection.h>
  30 #include <gtk/gtkrbtree.h>
  31
  32 typedef enum
  33 {
  34   GTK_TREE_VIEW_IS_LIST = 1 << 0,
  35   GTK_TREE_VIEW_SHOW_EXPANDERS = 1 << 1,
  36   GTK_TREE_VIEW_IN_COLUMN_RESIZE = 1 << 2,
  37   GTK_TREE_VIEW_ARROW_PRELIT = 1 << 3,
  38   GTK_TREE_VIEW_HEADERS_VISIBLE = 1 << 4,
  39   GTK_TREE_VIEW_DRAW_KEYFOCUS = 1 << 5,
  40   GTK_TREE_VIEW_MODEL_SETUP = 1 << 6
  41 } GtkTreeViewFlags;
  42
  43 #define GTK_TREE_VIEW_SET_FLAG(tree_view, flag)   G_STMT_START{ (tree_view->priv->flags|=flag); }G_STMT_END
  44 #define GTK_TREE_VIEW_UNSET_FLAG(tree_view, flag) G_STMT_START{ (tree_view->priv->flags&=~(flag)); }G_STMT_END
  45 #define GTK_TREE_VIEW_FLAG_SET(tree_view, flag)   ((tree_view->priv->flags&flag)==flag)
  46 #define TREE_VIEW_HEADER_HEIGHT(tree_view)        (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)?tree_view->priv->header_height:0)
  47 #define TREE_VIEW_COLUMN_SIZE(column)             (CLAMP (column->size, (column->min_width!=-1)?column->min_width:column->size, (column->max_width!=-1)?column->max_width:column->size))
  48 #define TREE_VIEW_DRAW_EXPANDERS(tree_view)       (!GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST)&&GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS))
  49
  50 struct _GtkTreeViewPrivate
  51 {
  52   GtkTreeModel *model;
  53
  54   guint flags;
  55   /* tree information */
  56   GtkRBTree *tree;
  57
  58   gint tab_offset;
  59   GtkRBNode *button_pressed_node;
  60   GtkRBTree *button_pressed_tree;
  61
  62   GList *children;
  63   gint width;
  64   gint height;
  65
  66   GtkAdjustment *hadjustment;
  67   GtkAdjustment *vadjustment;
  68
  69   GdkWindow *bin_window;
  70   GdkWindow *header_window;
  71
  72   /* Selection stuff */
  73   GtkTreePath *anchor;
  74   GtkTreePath *cursor;
  75
  76   /* Column Resizing */
  77   GdkCursor *cursor_drag;
  78   GdkGC *xor_gc;
  79   gint drag_pos;
  80   gint x_drag;
  81
  82   /* Prelight information */
  83   GtkRBNode *prelight_node;
  84   GtkRBTree *prelight_tree;
  85   gint prelight_offset;
  86
  87   /* Selection information */
  88   GtkTreeSelection *selection;
  89
  90   /* Header information */
  91   gint n_columns;
  92   GList *columns;
  93   gint header_height;
  94 };
  95
  96 #ifdef __GNUC__
  97
  98 #define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
  99      if (!(expr))                                                       \
 100        {                                                                \
 101          g_log (G_LOG_DOMAIN,                                           \
 102                 G_LOG_LEVEL_CRITICAL,                                   \
 103                 "file %s: line %d (%s): assertion `%s' failed.\n"       \
 104                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 105                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 106                 "without letting the view know.  Any display from now on is likely to\n"  \
 107                 "be incorrect.\n",                                                        \
 108                 __FILE__,                                               \
 109                 __LINE__,                                               \
 110                 __PRETTY_FUNCTION__,                                    \
 111                 #expr);                                                 \
 112          return ret;                                                    \
 113        };                               }G_STMT_END
 114
 115 #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{             \
 116      if (!(expr))                                                       \
 117        {                                                                \
 118          g_log (G_LOG_DOMAIN,                                           \
 119                 G_LOG_LEVEL_CRITICAL,                                   \
 120                 "file %s: line %d (%s): assertion `%s' failed.\n"       \
 121                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 122                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 123                 "without letting the view know.  Any display from now on is likely to\n"  \
 124                 "be incorrect.\n",                                                        \
 125                 __FILE__,                                               \
 126                 __LINE__,                                               \
 127                 __PRETTY_FUNCTION__,                                    \
 128                 #expr);                                                 \
 129          return;                                                        \
 130        };                               }G_STMT_END
 131
 132 #else
 133
 134 #define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
 135      if (!(expr))                                                       \
 136        {                                                                \
 137          g_log (G_LOG_DOMAIN,                                           \
 138                 G_LOG_LEVEL_CRITICAL,                                   \
 139                 "file %s: line %d: assertion `%s' failed.\n"       \
 140                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 141                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 142                 "without letting the view know.  Any display from now on is likely to\n"  \
 143                 "be incorrect.\n",                                                        \
 144                 __FILE__,                                               \
 145                 __LINE__,                                               \
 146                 #expr);                                                 \
 147          return ret;                                                    \
 148        };                               }G_STMT_END
 149
 150 #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
 151      if (!(expr))                                                       \
 152        {                                                                \
 153          g_log (G_LOG_DOMAIN,                                           \
 154                 G_LOG_LEVEL_CRITICAL,                                   \
 155                 "file %s: line %d: assertion '%s' failed.\n"            \
 156                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 157                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 158                 "without letting the view know.  Any display from now on is likely to\n"  \
 159                 "be incorrect.\n",                                                        \
 160                 __FILE__,                                               \
 161                 __LINE__,                                               \
 162                 #expr);                                                 \
 163          return;                                                        \
 164        };                               }G_STMT_END
 165 #endif
 166
 167 /* functions that shouldn't be exported */
 168 void         _gtk_tree_selection_internal_select_node (GtkTreeSelection  *selection,
 169                                                        GtkRBNode         *node,
 170                                                        GtkRBTree         *tree,
 171                                                        GtkTreePath       *path,
 172                                                        GdkModifierType    state);
 173 gboolean     _gtk_tree_view_find_node                 (GtkTreeView       *tree_view,
 174                                                        GtkTreePath       *path,
 175                                                        GtkRBTree        **tree,
 176                                                        GtkRBNode        **node);
 177 GtkTreePath *_gtk_tree_view_find_path                 (GtkTreeView       *tree_view,
 178                                                        GtkRBTree         *tree,
 179                                                        GtkRBNode         *node);
 180 void         _gtk_tree_view_set_size                  (GtkTreeView       *tree_view,
 181                                                        gint               width,
 182                                                        gint               height);
 183
 184
 185 GtkTreeSelection* _gtk_tree_selection_new                (void);
 186 GtkTreeSelection* _gtk_tree_selection_new_with_tree_view (GtkTreeView      *tree_view);
 187 void              _gtk_tree_selection_set_tree_view      (GtkTreeSelection *selection,
 188                                                           GtkTreeView      *tree_view);
 189
 190 #ifdef __cplusplus
 191 }
 192 #endif /* __cplusplus */
 193
 194
 195 #endif /* __GTK_TREE_PRIVATE_H__ */
 196