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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef TOOLTIP_H
#define TOOLTIP_H
#include "../utils_global.h"
#include <QSharedPointer>
#include <QObject>
#include <QTimer>
#include <QRect>
#include <QFont>
/*
* In its current form QToolTip is not extensible. So this is an attempt to provide a more
* flexible and customizable tooltip mechanism for Creator. Part of the code here is duplicated
* from QToolTip. This includes a private Qt header and the non-exported class QTipLabel, which
* here serves as a base tip class. Please notice that Qt relies on this particular class name in
* order to correctly apply the native styles for tooltips. Therefore the QTipLabel name should
* not be changed.
*/
QT_BEGIN_NAMESPACE
class QPoint;
class QWidget;
QT_END_NAMESPACE
namespace Utils {
namespace Internal { class QTipLabel; }
class TipContent;
class QTCREATOR_UTILS_EXPORT ToolTip : public QObject
{
Q_OBJECT
protected:
ToolTip();
public:
~ToolTip();
bool eventFilter(QObject *o, QEvent *event);
static ToolTip *instance();
static void show(const QPoint &pos, const TipContent &content, QWidget *w = 0);
static void show(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
static void hide();
static bool isVisible();
protected slots:
void hideTipImmediately();
protected:
void showInternal(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
private:
bool acceptShow(const TipContent &content, const QPoint &pos, QWidget *w, const QRect &rect);
bool validateContent(const TipContent &content);
void setUp(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
bool tipChanged(const QPoint &pos, const TipContent &content, QWidget *w) const;
void setTipRect(QWidget *w, const QRect &rect);
void placeTip(const QPoint &pos, QWidget *w);
void showTip();
void hideTipWithDelay();
Internal::QTipLabel *m_tip;
QWidget *m_widget;
QRect m_rect;
QTimer m_showTimer;
QTimer m_hideDelayTimer;
};
} // namespace Utils
#endif // TOOLTIP_H
|
