summaryrefslogtreecommitdiffstats
path: root/examples/webenginewidgets/demobrowser/tabwidget.h
blob: 5ef403bf5a7f2cda2d31e9b77ffd48bb4f3e44d4 (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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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 TABWIDGET_H
#define TABWIDGET_H

#include <QtWebEngineWidgets/QWebEngineFullScreenRequest>
#include <QtWidgets/QTabBar>
#include <QtWidgets/QShortcut>

QT_BEGIN_NAMESPACE
class QWebEngineDownloadItem;
class QWebEngineProfile;
class QWebEngineView;
QT_END_NAMESPACE

/*
    Tab bar with a few more features such as a context menu and shortcuts
 */
class TabBar : public QTabBar
{
    Q_OBJECT

signals:
    void newTab();
    void cloneTab(int index);
    void closeTab(int index);
    void closeOtherTabs(int index);
    void reloadTab(int index);
    void reloadAllTabs();
    void tabMoveRequested(int fromIndex, int toIndex);

public:
    TabBar(QWidget *parent = 0);

protected:
    void mousePressEvent(QMouseEvent* event);
    void mouseMoveEvent(QMouseEvent* event);

private slots:
    void selectTabAction();
    void cloneTab();
    void closeTab();
    void closeOtherTabs();
    void reloadTab();
    void contextMenuRequested(const QPoint &position);

private:
    QList<QShortcut*> m_tabShortcuts;
    friend class TabWidget;

    QPoint m_dragStartPos;
    int m_dragCurrentIndex;
};

#include <QWebEnginePage>

QT_BEGIN_NAMESPACE
class QAction;
QT_END_NAMESPACE
class WebView;
/*!
    A proxy object that connects a single browser action
    to one child webpage action at a time.

    Example usage: used to keep the main window stop action in sync with
    the current tabs webview's stop action.
 */
class WebActionMapper : public QObject
{
    Q_OBJECT

public:
    WebActionMapper(QAction *root, QWebEnginePage::WebAction webAction, QObject *parent);
    QWebEnginePage::WebAction webAction() const;
    void addChild(QAction *action);
    void updateCurrent(QWebEnginePage *currentParent);

private slots:
    void rootTriggered();
    void childChanged();
    void rootDestroyed();
    void currentDestroyed();

private:
    QWebEnginePage *m_currentParent;
    QAction *m_root;
    QWebEnginePage::WebAction m_webAction;
};

#include <QtCore/QUrl>
#include <QtWidgets/QTabWidget>

class FullScreenNotification;

QT_BEGIN_NAMESPACE
class QCompleter;
class QLineEdit;
class QMenu;
class QStackedWidget;
QT_END_NAMESPACE

/*!
    TabWidget that contains WebViews and a stack widget of associated line edits.

    Connects up the current tab's signals to this class's signal and uses WebActionMapper
    to proxy the actions.
 */
class TabWidget : public QTabWidget
{
    Q_OBJECT

signals:
    // tab widget signals
    void loadPage(const QString &url);
    void tabsChanged();
    void lastTabClosed();

    // current tab signals
    void setCurrentTitle(const QString &url);
    void showStatusBarMessage(const QString &message);
    void linkHovered(const QString &link);
    void loadProgress(int progress);
    void geometryChangeRequested(const QRect &geometry);
    void menuBarVisibilityChangeRequested(bool visible);
    void statusBarVisibilityChangeRequested(bool visible);
    void toolBarVisibilityChangeRequested(bool visible);
#if defined(QWEBENGINEPAGE_PRINTREQUESTED)
    void printRequested(QWebEngineFrame *frame);
#endif

public:
    TabWidget(QWidget *parent = 0);
    ~TabWidget();
    void clear();
    void addWebAction(QAction *action, QWebEnginePage::WebAction webAction);

    QAction *newTabAction() const;
    QAction *closeTabAction() const;
    QAction *recentlyClosedTabsAction() const;
    QAction *nextTabAction() const;
    QAction *previousTabAction() const;

    QWidget *lineEditStack() const;
    QLineEdit *currentLineEdit() const;
    WebView *currentWebView() const;
    WebView *webView(int index) const;
    QLineEdit *lineEdit(int index) const;
    int webViewIndex(WebView *webView) const;

    QByteArray saveState() const;
    bool restoreState(const QByteArray &state);

    void setProfile(QWebEngineProfile *profile);

protected:
    void mouseDoubleClickEvent(QMouseEvent *event);
    void contextMenuEvent(QContextMenuEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);

public slots:
    void loadUrlInCurrentTab(const QUrl &url);
    WebView *newTab(bool makeCurrent = true);
    void cloneTab(int index = -1);
    void requestCloseTab(int index = -1);
    void closeTab(int index);
    void closeOtherTabs(int index);
    void reloadTab(int index = -1);
    void reloadAllTabs();
    void nextTab();
    void previousTab();

private slots:
    void currentChanged(int index);
    void aboutToShowRecentTabsMenu();
    void aboutToShowRecentTriggeredAction(QAction *action);
    void downloadRequested(QWebEngineDownloadItem *download);
    void webViewLoadStarted();
    void webViewIconChanged();
    void webViewTitleChanged(const QString &title);
    void webViewUrlChanged(const QUrl &url);
    void lineEditReturnPressed();
    void windowCloseRequested();
    void moveTab(int fromIndex, int toIndex);
    void fullScreenRequested(QWebEngineFullScreenRequest request);

private:
    void setupPage(QWebEnginePage* page);

    QAction *m_recentlyClosedTabsAction;
    QAction *m_newTabAction;
    QAction *m_closeTabAction;
    QAction *m_nextTabAction;
    QAction *m_previousTabAction;

    QMenu *m_recentlyClosedTabsMenu;
    static const int m_recentlyClosedTabsSize = 10;
    QList<QUrl> m_recentlyClosedTabs;
    QList<WebActionMapper*> m_actions;

    QCompleter *m_lineEditCompleter;
    QStackedWidget *m_lineEdits;
    TabBar *m_tabBar;
    QWebEngineProfile *m_profile;
    QWebEngineView *m_fullScreenView;
    FullScreenNotification *m_fullScreenNotification;
};

#endif // TABWIDGET_H