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
164
165
166
167
168
169
170
171
172
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CENTRALWIDGET_H
#define CENTRALWIDGET_H
#include <QtCore/QUrl>
#include <QtGui/QTabBar>
#include <QtGui/QWidget>
QT_BEGIN_NAMESPACE
class FindWidget;
class HelpViewer;
class QStackedWidget;
class TabBar : public QTabBar
{
Q_OBJECT
public:
TabBar(QWidget *parent = 0);
~TabBar();
int addNewTab(const QString &title);
void setCurrent(HelpViewer *viewer);
void removeTabAt(HelpViewer *viewer);
public slots:
void titleChanged();
signals:
void currentTabChanged(HelpViewer *viewer);
void addBookmark(const QString &title, const QString &url);
private slots:
void slotCurrentChanged(int index);
void slotTabCloseRequested(int index);
void slotCustomContextMenuRequested(const QPoint &pos);
};
class CentralWidget : public QWidget
{
Q_OBJECT
public:
CentralWidget(QWidget *parent = 0);
~CentralWidget();
static CentralWidget *instance();
QUrl currentSource() const;
QString currentTitle() const;
bool hasSelection() const;
bool isForwardAvailable() const;
bool isBackwardAvailable() const;
HelpViewer *viewerAt(int index) const;
HelpViewer *currentHelpViewer() const;
void addPage(HelpViewer *page, bool fromSearch = false);
void removePage(int index);
int currentIndex() const;
void setCurrentPage(HelpViewer *page);
void connectTabBar();
public slots:
void copy();
void home();
void zoomIn();
void zoomOut();
void resetZoom();
void forward();
void nextPage();
void backward();
void previousPage();
void print();
void pageSetup();
void printPreview();
void setSource(const QUrl &url);
void setSourceFromSearch(const QUrl &url);
void findNext();
void findPrevious();
void find(const QString &text, bool forward, bool incremental);
void activateTab();
void showTextSearch();
void updateBrowserFont();
void updateUserInterface();
signals:
void currentViewerChanged();
void copyAvailable(bool yes);
void sourceChanged(const QUrl &url);
void highlighted(const QString &link);
void forwardAvailable(bool available);
void backwardAvailable(bool available);
void addBookmark(const QString &title, const QString &url);
protected:
void keyPressEvent(QKeyEvent *);
void focusInEvent(QFocusEvent *event);
private slots:
void highlightSearchTerms();
void printPreview(QPrinter *printer);
void handleSourceChanged(const QUrl &url);
private:
void initPrinter();
void connectSignals(HelpViewer *page);
bool eventFilter(QObject *object, QEvent *e);
private:
#ifndef QT_NO_PRINTER
QPrinter *m_printer;
#endif
FindWidget *m_findWidget;
QStackedWidget *m_stackedWidget;
TabBar *m_tabBar;
};
QT_END_NAMESPACE
#endif // CENTRALWIDGET_H
|
