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

   1 /* gtktreesortable.h
   2  * Copyright (C) 2001  Red Hat, Inc.
   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_SORTABLE_H__
  21 #define __GTK_TREE_SORTABLE_H__
  22
  23 #include <gtk/gtktreemodel.h>
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif /* __cplusplus */
  28
  29 typedef enum
  30 {
  31   GTK_TREE_SORT_ASCENDING,
  32   GTK_TREE_SORT_DESCENDING
  33 } GtkTreeSortOrder;
  34
  35 #define GTK_TYPE_TREE_SORTABLE            (gtk_tree_sortable_get_type ())
  36 #define GTK_TREE_SORTABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_SORTABLE, GtkTreeSortable))
  37 #define GTK_TREE_SORTABLE_CLASS(obj)      (G_TYPE_CHECK_CLASS_CAST ((obj), GTK_TYPE_TREE_SORTABLE, GtkTreeSortableIface))
  38 #define GTK_IS_TREE_SORTABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_SORTABLE))
  39 #define GTK_TREE_SORTABLE_GET_IFACE(obj)  ((GtkTreeSortableIface *)g_type_interface_peek (((GTypeInstance *)GTK_TREE_SORTABLE (obj))->g_class, GTK_TYPE_TREE_SORTABLE))
  40
  41
  42 typedef struct _GtkTreeSortable      GtkTreeSortable; /* Dummy typedef */
  43 typedef struct _GtkTreeSortableIface GtkTreeSortableIface;
  44
  45 typedef gint (* GtkTreeIterCompareFunc) (GtkTreeModel *model,
  46                                          GtkTreeIter  *a,
  47                                          GtkTreeIter  *b,
  48                                          gpointer      user_data);
  49
  50
  51 struct _GtkTreeSortableIface
  52 {
  53   GTypeInterface g_iface;
  54
  55   /* signals */
  56   void (* sort_column_changed) (GtkTreeSortable  *sortable);
  57
  58   /* virtual table */
  59   gboolean (* get_sort_column_id)  (GtkTreeSortable  *sortable,
  60                                     gint             *sort_column_id,
  61                                     GtkTreeSortOrder *order);
  62   void (* set_sort_column_id)      (GtkTreeSortable  *sortable,
  63                                     gint              sort_column_id,
  64                                     GtkTreeSortOrder  order);
  65   void (* sort_column_id_set_func) (GtkTreeSortable  *sortable,
  66                                     gint              sort_column_id,
  67                                     GtkTreeIterCompareFunc func,
  68                                     gpointer          data,
  69                                     GtkDestroyNotify  destroy);
  70 };
  71
  72
  73 GType    gtk_tree_sortable_get_type                (void) G_GNUC_CONST;
  74
  75 void     gtk_tree_sortable_sort_column_changed     (GtkTreeSortable        *sortable);
  76 gboolean gtk_tree_sortable_get_sort_column_id      (GtkTreeSortable        *sortable,
  77                                                     gint                   *sort_column_id,
  78                                                     GtkTreeSortOrder       *order);
  79 void     gtk_tree_sortable_set_sort_column_id      (GtkTreeSortable        *sortable,
  80                                                     gint                    sort_column_id,
  81                                                     GtkTreeSortOrder        order);
  82 void     gtk_tree_sortable_sort_column_id_set_func (GtkTreeSortable        *sortable,
  83                                                     gint                    sort_column_id,
  84                                                     GtkTreeIterCompareFunc  func,
  85                                                     gpointer                data,
  86                                                     GtkDestroyNotify        destroy);
  87
  88
  89
  90
  91 #ifdef __cplusplus
  92 }
  93 #endif /* __cplusplus */
  94
  95
  96 #endif /* __GTK_TREE_SORTABLE_H__ */