blob: b268fa260cb61279da7193fc383b7f7bff574c1a (
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
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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#ifndef HELPVIEWER_H
#define HELPVIEWER_H
#include <QtCore/QUrl>
#include <QtCore/QVariant>
#include <QtGui/QTextBrowser>
#include <QtGui/QAction>
#if !defined(QT_NO_WEBKIT)
#include <QWebView>
#endif
QT_BEGIN_NAMESPACE
class QHelpEngine;
class CentralWidget;
class QPoint;
class QString;
class QKeyEvent;
class QMouseEvent;
class QContextMenuEvent;
#if !defined(QT_NO_WEBKIT)
class HelpViewer : public QWebView
{
Q_OBJECT
public:
HelpViewer(QHelpEngine *helpEngine, CentralWidget *parent);
void setSource(const QUrl &url);
inline QUrl source() const
{ return url(); }
inline QString documentTitle() const
{ return title(); }
inline bool hasSelection() const
{ return !selectedText().isEmpty(); } // ### this is suboptimal
void resetZoom();
void zoomIn(qreal range = 1);
void zoomOut(qreal range = 1);
inline void copy()
{ return triggerPageAction(QWebPage::Copy); }
inline bool isForwardAvailable() const
{ return pageAction(QWebPage::Forward)->isEnabled(); }
inline bool isBackwardAvailable() const
{ return pageAction(QWebPage::Back)->isEnabled(); }
public Q_SLOTS:
void home();
void backward() { back(); }
Q_SIGNALS:
void copyAvailable(bool enabled);
void forwardAvailable(bool enabled);
void backwardAvailable(bool enabled);
void highlighted(const QString &);
void sourceChanged(const QUrl &);
protected:
virtual void wheelEvent(QWheelEvent *);
void mouseReleaseEvent(QMouseEvent *e);
private Q_SLOTS:
void actionChanged();
private:
QHelpEngine *helpEngine;
CentralWidget* parentWidget;
QUrl homeUrl;
};
#else
class HelpViewer : public QTextBrowser
{
Q_OBJECT
public:
HelpViewer(QHelpEngine *helpEngine, CentralWidget *parent);
void setSource(const QUrl &url);
void resetZoom();
void zoomIn(int range = 1);
void zoomOut(int range = 1);
int zoom() const { return zoomCount; }
void setZoom(int zoom) { zoomCount = zoom; }
inline bool hasSelection() const
{ return textCursor().hasSelection(); }
bool launchedWithExternalApp(const QUrl &url);
public Q_SLOTS:
void home();
protected:
void wheelEvent(QWheelEvent *e);
private:
QVariant loadResource(int type, const QUrl &name);
void openLinkInNewTab(const QString &link);
bool hasAnchorAt(const QPoint& pos);
void contextMenuEvent(QContextMenuEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void keyPressEvent(QKeyEvent *e);
private slots:
void openLinkInNewTab();
private:
int zoomCount;
bool controlPressed;
QString lastAnchor;
QHelpEngine *helpEngine;
CentralWidget* parentWidget;
QUrl homeUrl;
};
#endif
QT_END_NAMESPACE
#endif
|
