blob: 0ad9439fa821954385e9edd5fead76b60de71aca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
Copyright (C) 2012 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef gtkmm2ext_persistent_tooltip_h
#define gtkmm2ext_persistent_tooltip_h
#include <sigc++/trackable.h>
#include "gtkmm2ext/visibility.h"
namespace Gtkmm2ext {
/** A class which offers a tooltip-like window which can be made to
* stay open during a drag.
*/
class LIBGTKMM2EXT_API PersistentTooltip : public sigc::trackable
{
public:
PersistentTooltip (Gtk::Widget *, bool draggable = false, int margin_y = 0);
virtual ~PersistentTooltip ();
void set_tip (std::string);
void set_font (Pango::FontDescription font);
void set_center_alignment (bool align_to_center);
virtual bool dragging () const;
private:
bool timeout ();
void show ();
void hide ();
bool enter (GdkEventCrossing *);
bool leave (GdkEventCrossing *);
bool press (GdkEventButton *);
bool release (GdkEventButton *);
/** The widget that we are providing a tooltip for */
Gtk::Widget* _target;
/** Our window */
Gtk::Window* _window;
/** Our label */
Gtk::Label* _label;
/** allow to drag
*/
bool _draggable;
/** true if we are `dragging', in the sense that button 1
is being held over _target.
*/
bool _maybe_dragging;
/** Connection to a timeout used to open the tooltip */
sigc::connection _timeout;
/** The tip text */
std::string _tip;
Pango::FontDescription _font;
bool _align_to_center;
int _margin_y;
};
}
#endif
|
