2 Copyright (C) 2012 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef gtkmm2ext_persistent_tooltip_h
21 #define gtkmm2ext_persistent_tooltip_h
23 #include <sigc++/trackable.h>
27 /** A class which offers a tooltip-like window which can be made to
28 * stay open during a drag.
30 class PersistentTooltip : public sigc::trackable
33 PersistentTooltip (Gtk::Widget *);
34 virtual ~PersistentTooltip ();
36 void set_tip (std::string);
38 virtual bool dragging () const;
44 bool enter (GdkEventCrossing *);
45 bool leave (GdkEventCrossing *);
46 bool press (GdkEventButton *);
47 bool release (GdkEventButton *);
49 /** The widget that we are providing a tooltip for */
55 /** true if we are `dragging', in the sense that button 1
56 is being held over _target.
59 /** Connection to a timeout used to open the tooltip */
60 sigc::connection _timeout;