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treesortable.h

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00001 /*  Inti: Integrated Foundation Classes
00002  *  Copyright (C) 2002-2003 The Inti Development Team.
00003  *  Copyright (C) 2000 Red Hat, Inc.
00004  *
00005  *  This program is free software; you can redistribute it and/or modify
00006  *  it under the terms of the GNU General Public License as published by
00007  *  the Free Software Foundation; either version 2 of the License, or
00008  *  (at your option) any later version.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU Library General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU Library General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00018  */
00019 
00024 
00025 #ifndef INTI_GTK_TREE_SORTABLE_H
00026 #define INTI_GTK_TREE_SORTABLE_H
00027 
00028 #ifndef INTI_G_TYPE_H
00029 #include <inti/glib/type.h>
00030 #endif
00031 
00032 #ifndef INTI_GTK_ENUMS_H
00033 #include <inti/gtk/enums.h>
00034 #endif
00035 
00036 #ifndef __GTK_TREE_SORTABLE_H__
00037 #include <gtk/gtktreesortable.h>
00038 #endif
00039 
00040 #ifndef INTI_SLOT_H
00041 #include <inti/slot.h>
00042 #endif
00043 
00044 namespace Inti {
00045 
00046 namespace Gtk {
00047 
00048 class TreeIter;
00049 class TreeModel;
00050 class TreeSortableIface;
00051 
00060 
00061 class TreeSortable : public virtual G::TypeInterface
00062 {
00063         friend class TreeSortableIface;
00064 
00065 protected:
00068 
00069         virtual ~TreeSortable() = 0;
00071 
00073 //  Override these do_ methods when you want to change the default behaviour of the GtkTreeSortable.
00074 
00075         virtual bool do_get_sort_column_id(int *sort_column_id, GtkSortType *order);
00076 
00077         virtual void do_set_sort_column_id(int sort_column_id, GtkSortType order);
00078 
00079         virtual void do_set_sort_func(int sort_column_id, GtkTreeIterCompareFunc func, void *data, GtkDestroyNotify destroy);
00080 
00081         virtual void do_set_default_sort_func(GtkTreeIterCompareFunc func, void *data, GtkDestroyNotify destroy);
00082 
00083         virtual bool do_has_default_sort_func();
00084 
00087 
00088         virtual void on_sort_column_changed();
00090         
00092 //  Signals
00093 
00094         typedef G::Signal0<void> SortColumnChangedSignalType;
00095         typedef G::SignalProxy<TypeInstance, SortColumnChangedSignalType> SortColumnChangedSignalProxy;
00096         static const SortColumnChangedSignalType sort_column_changed_signal;
00097 
00098 public:
00099         typedef Slot3<int, const TreeModel&, const TreeIter*, const TreeIter*> TreeIterCompareSlot;
00111 
00114 
00115         GtkTreeSortable* gtk_tree_sortable() const { return (GtkTreeSortable*)instance; }
00117 
00118         GtkTreeSortableIface* gtk_tree_sortable_iface() const;
00120 
00121         operator GtkTreeSortable* () const;
00123 
00124         bool get_sort_column_id(int *sort_column_id, SortType *order) const;
00133          
00134         bool has_default_sort_func() const;
00140 
00144 
00145         void sort_column_changed();
00147         
00148         void set_sort_column_id(int sort_column_id, SortType order);
00157          
00158         void set_sort_func(int sort_column_id, const TreeIterCompareSlot *compare);
00165         
00166         void set_default_sort_func(const TreeIterCompareSlot *compare);
00175 
00179         
00180         const SortColumnChangedSignalProxy sig_sort_column_changed()
00181         {
00182                 return SortColumnChangedSignalProxy(this, &sort_column_changed_signal);
00183         }
00185         
00187 };
00188 
00189 } // namespace Gtk
00190 
00191 } // namespace Inti
00192 
00193 #endif // INTI_GTK_TREE_SORTABLE_H
00194 
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