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_WIDTH(column)             (CLAMP (column->width, (column->min_width!=-1)?column->min_width:column->width, (column->max_width!=-1)?column->max_width:column->width))
  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   gint expander_column;
  73
  74   /* Selection stuff */
  75   GtkTreeRowReference *anchor;
  76   GtkTreeRowReference *cursor;
  77
  78   /* Column Resizing */
  79   GdkCursor *cursor_drag;
  80   GdkGC *xor_gc;
  81   gint drag_pos;
  82   gint x_drag;
  83
  84   /* Prelight information */
  85   GtkRBNode *prelight_node;
  86   GtkRBTree *prelight_tree;
  87
  88   /* Selection information */
  89   GtkTreeSelection *selection;
  90
  91   /* Header information */
  92   gint n_columns;
  93   GList *columns;
  94   gint header_height;
  95
  96   /* Scroll timeout (e.g. during dnd) */
  97   guint scroll_timeout;
  98
  99   /* Row drag-and-drop */
 100   GtkTreeRowReference *drag_dest_row;
 101   GtkTreeViewDropPosition drag_dest_pos;
 102   guint open_dest_timeout;
 103
 104   gint pressed_button;
 105   gint press_start_x;
 106   gint press_start_y;
 107
 108   /* Scroll-to functionality when unrealized */
 109   GtkTreePath *scroll_to_path;
 110   GtkTreeViewColumn *scroll_to_column;
 111   gfloat scroll_to_row_align;
 112   gfloat scroll_to_col_align;
 113
 114   /* hint to display rows in alternating colors */
 115   guint has_rules : 1;
 116 };
 117
 118 #ifdef __GNUC__
 119
 120 #define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
 121      if (!(expr))                                                       \
 122        {                                                                \
 123          g_log (G_LOG_DOMAIN,                                           \
 124                 G_LOG_LEVEL_CRITICAL,                                   \
 125                 "file %s: line %d (%s): assertion `%s' failed.\n"       \
 126                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 127                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 128                 "without letting the view know.  Any display from now on is likely to\n"  \
 129                 "be incorrect.\n",                                                        \
 130                 __FILE__,                                               \
 131                 __LINE__,                                               \
 132                 __PRETTY_FUNCTION__,                                    \
 133                 #expr);                                                 \
 134          return ret;                                                    \
 135        };                               }G_STMT_END
 136
 137 #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{             \
 138      if (!(expr))                                                       \
 139        {                                                                \
 140          g_log (G_LOG_DOMAIN,                                           \
 141                 G_LOG_LEVEL_CRITICAL,                                   \
 142                 "file %s: line %d (%s): assertion `%s' failed.\n"       \
 143                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 144                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 145                 "without letting the view know.  Any display from now on is likely to\n"  \
 146                 "be incorrect.\n",                                                        \
 147                 __FILE__,                                               \
 148                 __LINE__,                                               \
 149                 __PRETTY_FUNCTION__,                                    \
 150                 #expr);                                                 \
 151          return;                                                        \
 152        };                               }G_STMT_END
 153
 154 #else
 155
 156 #define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
 157      if (!(expr))                                                       \
 158        {                                                                \
 159          g_log (G_LOG_DOMAIN,                                           \
 160                 G_LOG_LEVEL_CRITICAL,                                   \
 161                 "file %s: line %d: assertion `%s' failed.\n"       \
 162                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 163                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 164                 "without letting the view know.  Any display from now on is likely to\n"  \
 165                 "be incorrect.\n",                                                        \
 166                 __FILE__,                                               \
 167                 __LINE__,                                               \
 168                 #expr);                                                 \
 169          return ret;                                                    \
 170        };                               }G_STMT_END
 171
 172 #define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
 173      if (!(expr))                                                       \
 174        {                                                                \
 175          g_log (G_LOG_DOMAIN,                                           \
 176                 G_LOG_LEVEL_CRITICAL,                                   \
 177                 "file %s: line %d: assertion '%s' failed.\n"            \
 178                 "There is a disparity between the internal view of the GtkTreeView,\n"    \
 179                 "and the GtkTreeModel.  This generally means that the model has changed\n"\
 180                 "without letting the view know.  Any display from now on is likely to\n"  \
 181                 "be incorrect.\n",                                                        \
 182                 __FILE__,                                               \
 183                 __LINE__,                                               \
 184                 #expr);                                                 \
 185          return;                                                        \
 186        };                               }G_STMT_END
 187 #endif
 188
 189 /* functions that shouldn't be exported */
 190 void         _gtk_tree_selection_internal_select_node (GtkTreeSelection  *selection,
 191                                                        GtkRBNode         *node,
 192                                                        GtkRBTree         *tree,
 193                                                        GtkTreePath       *path,
 194                                                        GdkModifierType    state);
 195 gboolean     _gtk_tree_view_find_node                 (GtkTreeView       *tree_view,
 196                                                        GtkTreePath       *path,
 197                                                        GtkRBTree        **tree,
 198                                                        GtkRBNode        **node);
 199 GtkTreePath *_gtk_tree_view_find_path                 (GtkTreeView       *tree_view,
 200                                                        GtkRBTree         *tree,
 201                                                        GtkRBNode         *node);
 202 void         _gtk_tree_view_set_size                  (GtkTreeView       *tree_view,
 203                                                        gint               width,
 204                                                        gint               height);
 205
 206
 207 GtkTreeSelection* _gtk_tree_selection_new                (void);
 208 GtkTreeSelection* _gtk_tree_selection_new_with_tree_view (GtkTreeView      *tree_view);
 209 void              _gtk_tree_selection_set_tree_view      (GtkTreeSelection *selection,
 210                                                           GtkTreeView      *tree_view);
 211
 212 #ifdef __cplusplus
 213 }
 214 #endif /* __cplusplus */
 215
 216
 217 #endif /* __GTK_TREE_PRIVATE_H__ */
 218