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>
25 #include "gtkmm2ext/visibility.h"
29 /** A class which offers a tooltip-like window which can be made to
30 * stay open during a drag.
32 class LIBGTKMM2EXT_API PersistentTooltip : public sigc::trackable
35 PersistentTooltip (Gtk::Widget *, bool draggable = false, int margin_y = 0);
36 virtual ~PersistentTooltip ();
38 void set_tip (std::string);
39 void set_font (Pango::FontDescription font);
40 void set_center_alignment (bool align_to_center);
42 virtual bool dragging () const;
43 static void set_tooltips_enabled (bool en) { _tooltips_enabled = en; }
44 static bool tooltips_enabled () { return _tooltips_enabled; }
47 static bool _tooltips_enabled;
48 static unsigned int _tooltip_timeout;
52 bool enter (GdkEventCrossing *);
53 bool leave (GdkEventCrossing *);
54 bool press (GdkEventButton *);
55 bool release (GdkEventButton *);
57 /** The widget that we are providing a tooltip for */
67 /** true if we are `dragging', in the sense that button 1
68 is being held over _target.
71 /** Connection to a timeout used to open the tooltip */
72 sigc::connection _timeout;
75 Pango::FontDescription _font;
76 bool _align_to_center;