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

   1 /* gtktreemodel.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 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
  21 #error "Only <gtk/gtk.h> can be included directly."
  22 #endif
  23
  24 #ifndef __GTK_TREE_MODEL_H__
  25 #define __GTK_TREE_MODEL_H__
  26
  27 #include <glib-object.h>
  28
  29 G_BEGIN_DECLS
  30
  31 #define GTK_TYPE_TREE_MODEL            (gtk_tree_model_get_type ())
  32 #define GTK_TREE_MODEL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModel))
  33 #define GTK_IS_TREE_MODEL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_MODEL))
  34 #define GTK_TREE_MODEL_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModelIface))
  35
  36 #define GTK_TYPE_TREE_ITER             (gtk_tree_iter_get_type ())
  37 #define GTK_TYPE_TREE_PATH             (gtk_tree_path_get_type ())
  38 #define GTK_TYPE_TREE_ROW_REFERENCE    (gtk_tree_row_reference_get_type ())
  39
  40 typedef struct _GtkTreeIter         GtkTreeIter;
  41 typedef struct _GtkTreePath         GtkTreePath;
  42 typedef struct _GtkTreeRowReference GtkTreeRowReference;
  43 typedef struct _GtkTreeModel        GtkTreeModel; /* Dummy typedef */
  44 typedef struct _GtkTreeModelIface   GtkTreeModelIface;
  45 typedef gboolean (* GtkTreeModelForeachFunc) (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data);
  46
  47
  48 typedef enum
  49 {
  50   GTK_TREE_MODEL_ITERS_PERSIST = 1 << 0,
  51   GTK_TREE_MODEL_LIST_ONLY = 1 << 1
  52 } GtkTreeModelFlags;
  53
  54 struct _GtkTreeIter
  55 {
  56   gint stamp;
  57   gpointer user_data;
  58   gpointer user_data2;
  59   gpointer user_data3;
  60 };
  61
  62 struct _GtkTreeModelIface
  63 {
  64   GTypeInterface g_iface;
  65
  66   /* Signals */
  67   void         (* row_changed)           (GtkTreeModel *tree_model,
  68                                           GtkTreePath  *path,
  69                                           GtkTreeIter  *iter);
  70   void         (* row_inserted)          (GtkTreeModel *tree_model,
  71                                           GtkTreePath  *path,
  72                                           GtkTreeIter  *iter);
  73   void         (* row_has_child_toggled) (GtkTreeModel *tree_model,
  74                                           GtkTreePath  *path,
  75                                           GtkTreeIter  *iter);
  76   void         (* row_deleted)           (GtkTreeModel *tree_model,
  77                                           GtkTreePath  *path);
  78   void         (* rows_reordered)        (GtkTreeModel *tree_model,
  79                                           GtkTreePath  *path,
  80                                           GtkTreeIter  *iter,
  81                                           gint         *new_order);
  82
  83   /* Virtual Table */
  84   GtkTreeModelFlags (* get_flags)  (GtkTreeModel *tree_model);
  85
  86   gint         (* get_n_columns)   (GtkTreeModel *tree_model);
  87   GType        (* get_column_type) (GtkTreeModel *tree_model,
  88                                     gint          index_);
  89   gboolean     (* get_iter)        (GtkTreeModel *tree_model,
  90                                     GtkTreeIter  *iter,
  91                                     GtkTreePath  *path);
  92   GtkTreePath *(* get_path)        (GtkTreeModel *tree_model,
  93                                     GtkTreeIter  *iter);
  94   void         (* get_value)       (GtkTreeModel *tree_model,
  95                                     GtkTreeIter  *iter,
  96                                     gint          column,
  97                                     GValue       *value);
  98   gboolean     (* iter_next)       (GtkTreeModel *tree_model,
  99                                     GtkTreeIter  *iter);
 100   gboolean     (* iter_children)   (GtkTreeModel *tree_model,
 101                                     GtkTreeIter  *iter,
 102                                     GtkTreeIter  *parent);
 103   gboolean     (* iter_has_child)  (GtkTreeModel *tree_model,
 104                                     GtkTreeIter  *iter);
 105   gint         (* iter_n_children) (GtkTreeModel *tree_model,
 106                                     GtkTreeIter  *iter);
 107   gboolean     (* iter_nth_child)  (GtkTreeModel *tree_model,
 108                                     GtkTreeIter  *iter,
 109                                     GtkTreeIter  *parent,
 110                                     gint          n);
 111   gboolean     (* iter_parent)     (GtkTreeModel *tree_model,
 112                                     GtkTreeIter  *iter,
 113                                     GtkTreeIter  *child);
 114   void         (* ref_node)        (GtkTreeModel *tree_model,
 115                                     GtkTreeIter  *iter);
 116   void         (* unref_node)      (GtkTreeModel *tree_model,
 117                                     GtkTreeIter  *iter);
 118 };
 119
 120
 121 /* GtkTreePath operations */
 122 GtkTreePath *gtk_tree_path_new              (void);
 123 GtkTreePath *gtk_tree_path_new_from_string  (const gchar       *path);
 124 GtkTreePath *gtk_tree_path_new_from_indices (gint               first_index,
 125                                              ...);
 126 gchar       *gtk_tree_path_to_string        (GtkTreePath       *path);
 127 GtkTreePath *gtk_tree_path_new_first        (void);
 128 void         gtk_tree_path_append_index     (GtkTreePath       *path,
 129                                              gint               index_);
 130 void         gtk_tree_path_prepend_index    (GtkTreePath       *path,
 131                                              gint               index_);
 132 gint         gtk_tree_path_get_depth        (GtkTreePath       *path);
 133 gint        *gtk_tree_path_get_indices      (GtkTreePath       *path);
 134
 135 gint        *gtk_tree_path_get_indices_with_depth (GtkTreePath *path,
 136                                                    gint        *depth);
 137
 138 void         gtk_tree_path_free             (GtkTreePath       *path);
 139 GtkTreePath *gtk_tree_path_copy             (const GtkTreePath *path);
 140 GType        gtk_tree_path_get_type         (void) G_GNUC_CONST;
 141 gint         gtk_tree_path_compare          (const GtkTreePath *a,
 142                                              const GtkTreePath *b);
 143 void         gtk_tree_path_next             (GtkTreePath       *path);
 144 gboolean     gtk_tree_path_prev             (GtkTreePath       *path);
 145 gboolean     gtk_tree_path_up               (GtkTreePath       *path);
 146 void         gtk_tree_path_down             (GtkTreePath       *path);
 147
 148 gboolean     gtk_tree_path_is_ancestor      (GtkTreePath       *path,
 149                                              GtkTreePath       *descendant);
 150 gboolean     gtk_tree_path_is_descendant    (GtkTreePath       *path,
 151                                              GtkTreePath       *ancestor);
 152
 153 /* Row reference (an object that tracks model changes so it refers to the same
 154  * row always; a path refers to a position, not a fixed row).  You almost always
 155  * want to call gtk_tree_row_reference_new.
 156  */
 157
 158 GType                gtk_tree_row_reference_get_type (void) G_GNUC_CONST;
 159 GtkTreeRowReference *gtk_tree_row_reference_new       (GtkTreeModel        *model,
 160                                                        GtkTreePath         *path);
 161 GtkTreeRowReference *gtk_tree_row_reference_new_proxy (GObject             *proxy,
 162                                                        GtkTreeModel        *model,
 163                                                        GtkTreePath         *path);
 164 GtkTreePath         *gtk_tree_row_reference_get_path  (GtkTreeRowReference *reference);
 165 GtkTreeModel        *gtk_tree_row_reference_get_model (GtkTreeRowReference *reference);
 166 gboolean             gtk_tree_row_reference_valid     (GtkTreeRowReference *reference);
 167 GtkTreeRowReference *gtk_tree_row_reference_copy      (GtkTreeRowReference *reference);
 168 void                 gtk_tree_row_reference_free      (GtkTreeRowReference *reference);
 169 /* These two functions are only needed if you created the row reference with a
 170  * proxy object */
 171 void                 gtk_tree_row_reference_inserted  (GObject     *proxy,
 172                                                        GtkTreePath *path);
 173 void                 gtk_tree_row_reference_deleted   (GObject     *proxy,
 174                                                        GtkTreePath *path);
 175 void                 gtk_tree_row_reference_reordered (GObject     *proxy,
 176                                                        GtkTreePath *path,
 177                                                        GtkTreeIter *iter,
 178                                                        gint        *new_order);
 179
 180 /* GtkTreeIter operations */
 181 GtkTreeIter *     gtk_tree_iter_copy             (GtkTreeIter  *iter);
 182 void              gtk_tree_iter_free             (GtkTreeIter  *iter);
 183 GType             gtk_tree_iter_get_type         (void) G_GNUC_CONST;
 184
 185 GType             gtk_tree_model_get_type        (void) G_GNUC_CONST;
 186 GtkTreeModelFlags gtk_tree_model_get_flags       (GtkTreeModel *tree_model);
 187 gint              gtk_tree_model_get_n_columns   (GtkTreeModel *tree_model);
 188 GType             gtk_tree_model_get_column_type (GtkTreeModel *tree_model,
 189                                                   gint          index_);
 190
 191
 192 /* Iterator movement */
 193 gboolean          gtk_tree_model_get_iter        (GtkTreeModel *tree_model,
 194                                                   GtkTreeIter  *iter,
 195                                                   GtkTreePath  *path);
 196 gboolean          gtk_tree_model_get_iter_from_string (GtkTreeModel *tree_model,
 197                                                        GtkTreeIter  *iter,
 198                                                        const gchar  *path_string);
 199 gchar *           gtk_tree_model_get_string_from_iter (GtkTreeModel *tree_model,
 200                                                        GtkTreeIter  *iter);
 201 gboolean          gtk_tree_model_get_iter_first  (GtkTreeModel *tree_model,
 202                                                   GtkTreeIter  *iter);
 203 GtkTreePath *     gtk_tree_model_get_path        (GtkTreeModel *tree_model,
 204                                                   GtkTreeIter  *iter);
 205 void              gtk_tree_model_get_value       (GtkTreeModel *tree_model,
 206                                                   GtkTreeIter  *iter,
 207                                                   gint          column,
 208                                                   GValue       *value);
 209 gboolean          gtk_tree_model_iter_next       (GtkTreeModel *tree_model,
 210                                                   GtkTreeIter  *iter);
 211 gboolean          gtk_tree_model_iter_children   (GtkTreeModel *tree_model,
 212                                                   GtkTreeIter  *iter,
 213                                                   GtkTreeIter  *parent);
 214 gboolean          gtk_tree_model_iter_has_child  (GtkTreeModel *tree_model,
 215                                                   GtkTreeIter  *iter);
 216 gint              gtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
 217                                                   GtkTreeIter  *iter);
 218 gboolean          gtk_tree_model_iter_nth_child  (GtkTreeModel *tree_model,
 219                                                   GtkTreeIter  *iter,
 220                                                   GtkTreeIter  *parent,
 221                                                   gint          n);
 222 gboolean          gtk_tree_model_iter_parent     (GtkTreeModel *tree_model,
 223                                                   GtkTreeIter  *iter,
 224                                                   GtkTreeIter  *child);
 225 void              gtk_tree_model_ref_node        (GtkTreeModel *tree_model,
 226                                                   GtkTreeIter  *iter);
 227 void              gtk_tree_model_unref_node      (GtkTreeModel *tree_model,
 228                                                   GtkTreeIter  *iter);
 229 void              gtk_tree_model_get             (GtkTreeModel *tree_model,
 230                                                   GtkTreeIter  *iter,
 231                                                   ...);
 232 void              gtk_tree_model_get_valist      (GtkTreeModel *tree_model,
 233                                                   GtkTreeIter  *iter,
 234                                                   va_list       var_args);
 235
 236
 237 void              gtk_tree_model_foreach         (GtkTreeModel            *model,
 238                                                   GtkTreeModelForeachFunc  func,
 239                                                   gpointer                 user_data);
 240
 241 /* Signals */
 242 void gtk_tree_model_row_changed           (GtkTreeModel *tree_model,
 243                                            GtkTreePath  *path,
 244                                            GtkTreeIter  *iter);
 245 void gtk_tree_model_row_inserted          (GtkTreeModel *tree_model,
 246                                            GtkTreePath  *path,
 247                                            GtkTreeIter  *iter);
 248 void gtk_tree_model_row_has_child_toggled (GtkTreeModel *tree_model,
 249                                            GtkTreePath  *path,
 250                                            GtkTreeIter  *iter);
 251 void gtk_tree_model_row_deleted           (GtkTreeModel *tree_model,
 252                                            GtkTreePath  *path);
 253 void gtk_tree_model_rows_reordered        (GtkTreeModel *tree_model,
 254                                            GtkTreePath  *path,
 255                                            GtkTreeIter  *iter,
 256                                            gint         *new_order);
 257
 258 G_END_DECLS
 259
 260 #endif /* __GTK_TREE_MODEL_H__ */