1 /***********************************************************************
2  *
3  * Copyright (C) 2010, 2011, 2012, 2018 Graeme Gott <graeme@gottcode.org>
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  ***********************************************************************/
19 
20 #ifndef ALERT_H
21 #define ALERT_H
22 
23 #include <QWidget>
24 class QGraphicsOpacityEffect;
25 class QLabel;
26 class QTimeLine;
27 class QToolButton;
28 
29 class Alert : public QWidget
30 {
31 	Q_OBJECT
32 
33 public:
34 	enum Icon {
35 		NoIcon = 0,
36 		Information,
37 		Warning,
38 		Critical,
39 		Question
40 	};
41 
42 	Alert(QWidget* parent = 0);
43 	Alert(Icon icon, const QString& text, const QStringList& details, bool expandable, QWidget* parent = 0);
44 
45 	bool underMouse() const;
46 
47 	void fadeIn();
48 	void setExpandable(bool expandable);
49 	void setIcon(Icon icon);
50 	void setIcon(const QPixmap& pixmap);
51 	void setText(const QString& text, const QStringList& details);
52 
53 	bool eventFilter(QObject* watched, QEvent* event);
54 
55 protected:
56 	void enterEvent(QEvent* event);
57 	void leaveEvent(QEvent* event);
58 	void paintEvent(QPaintEvent* event);
59 
60 private slots:
61 	void expanderToggled();
62 	void fadeInFinished();
63 	void fadeOut();
64 
65 private:
66 	void init();
67 
68 private:
69 	QToolButton* m_expander;
70 	QLabel* m_pixmap;
71 	QLabel* m_text;
72 	QString m_short_text;
73 	QString m_long_text;
74 	QTimeLine* m_fade_timer;
75 	QGraphicsOpacityEffect* m_fade_effect;
76 	bool m_expanded;
77 	bool m_always_expanded;
78 	bool m_under_mouse;
79 };
80 
underMouse()81 inline bool Alert::underMouse() const
82 {
83 	return m_under_mouse;
84 }
85 
86 #endif
87