306 lines
10 KiB
C++
306 lines
10 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "tabwidget.h"
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#include "webpage.h"
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#include "webview.h"
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#include <QLabel>
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#include <QMenu>
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#include <QTabBar>
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#include <QWebEngineProfile>
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TabWidget::TabWidget(QWebEngineProfile *profile, QWidget *parent)
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: QTabWidget(parent)
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, m_profile(profile)
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{
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QTabBar *tabBar = this->tabBar();
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tabBar->setTabsClosable(true);
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tabBar->setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab);
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tabBar->setMovable(true);
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tabBar->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(tabBar, &QTabBar::customContextMenuRequested, this, &TabWidget::handleContextMenuRequested);
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connect(tabBar, &QTabBar::tabCloseRequested, this, &TabWidget::closeTab);
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connect(tabBar, &QTabBar::tabBarDoubleClicked, [this](int index) {
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if (index == -1)
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createTab();
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});
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setDocumentMode(true);
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setElideMode(Qt::ElideRight);
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connect(this, &QTabWidget::currentChanged, this, &TabWidget::handleCurrentChanged);
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if (profile->isOffTheRecord()) {
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QLabel *icon = new QLabel(this);
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QPixmap pixmap(QStringLiteral(":ninja.png"));
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icon->setPixmap(pixmap.scaledToHeight(tabBar->height()));
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setStyleSheet(QStringLiteral("QTabWidget::tab-bar { left: %1px; }").
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arg(icon->pixmap()->width()));
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}
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}
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void TabWidget::handleCurrentChanged(int index)
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{
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if (index != -1) {
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WebView *view = webView(index);
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if (!view->url().isEmpty())
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view->setFocus();
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emit titleChanged(view->title());
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emit loadProgress(view->loadProgress());
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emit urlChanged(view->url());
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emit favIconChanged(view->favIcon());
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emit webActionEnabledChanged(QWebEnginePage::Back, view->isWebActionEnabled(QWebEnginePage::Back));
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emit webActionEnabledChanged(QWebEnginePage::Forward, view->isWebActionEnabled(QWebEnginePage::Forward));
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emit webActionEnabledChanged(QWebEnginePage::Stop, view->isWebActionEnabled(QWebEnginePage::Stop));
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emit webActionEnabledChanged(QWebEnginePage::Reload,view->isWebActionEnabled(QWebEnginePage::Reload));
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} else {
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emit titleChanged(QString());
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emit loadProgress(0);
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emit urlChanged(QUrl());
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emit favIconChanged(QIcon());
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emit webActionEnabledChanged(QWebEnginePage::Back, false);
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emit webActionEnabledChanged(QWebEnginePage::Forward, false);
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emit webActionEnabledChanged(QWebEnginePage::Stop, false);
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emit webActionEnabledChanged(QWebEnginePage::Reload, true);
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}
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}
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void TabWidget::handleContextMenuRequested(const QPoint &pos)
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{
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QMenu menu;
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menu.addAction(tr("New &Tab"), this, &TabWidget::createTab, QKeySequence::AddTab);
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int index = tabBar()->tabAt(pos);
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if (index != -1) {
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QAction *action = menu.addAction(tr("Clone Tab"));
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connect(action, &QAction::triggered, this, [this,index]() {
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cloneTab(index);
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});
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menu.addSeparator();
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action = menu.addAction(tr("&Close Tab"));
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action->setShortcut(QKeySequence::Close);
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connect(action, &QAction::triggered, this, [this,index]() {
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closeTab(index);
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});
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action = menu.addAction(tr("Close &Other Tabs"));
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connect(action, &QAction::triggered, this, [this,index]() {
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closeOtherTabs(index);
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});
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menu.addSeparator();
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action = menu.addAction(tr("Reload Tab"));
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action->setShortcut(QKeySequence::Refresh);
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connect(action, &QAction::triggered, this, [this,index]() {
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reloadTab(index);
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});
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} else {
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menu.addSeparator();
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}
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menu.addAction(tr("Reload All Tabs"), this, &TabWidget::reloadAllTabs);
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menu.exec(QCursor::pos());
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}
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WebView *TabWidget::currentWebView() const
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{
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return webView(currentIndex());
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}
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WebView *TabWidget::webView(int index) const
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{
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return qobject_cast<WebView*>(widget(index));
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}
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void TabWidget::setupView(WebView *webView)
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{
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QWebEnginePage *webPage = webView->page();
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connect(webView, &QWebEngineView::titleChanged, [this, webView](const QString &title) {
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int index = indexOf(webView);
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if (index != -1) {
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setTabText(index, title);
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setTabToolTip(index, title);
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}
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if (currentIndex() == index)
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emit titleChanged(title);
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});
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connect(webView, &QWebEngineView::urlChanged, [this, webView](const QUrl &url) {
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int index = indexOf(webView);
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if (index != -1)
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tabBar()->setTabData(index, url);
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if (currentIndex() == index)
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emit urlChanged(url);
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});
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connect(webView, &QWebEngineView::loadProgress, [this, webView](int progress) {
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if (currentIndex() == indexOf(webView))
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emit loadProgress(progress);
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});
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connect(webPage, &QWebEnginePage::linkHovered, [this, webView](const QString &url) {
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if (currentIndex() == indexOf(webView))
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emit linkHovered(url);
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});
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connect(webView, &WebView::favIconChanged, [this, webView](const QIcon &icon) {
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int index = indexOf(webView);
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if (index != -1)
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setTabIcon(index, icon);
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if (currentIndex() == index)
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emit favIconChanged(icon);
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});
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connect(webView, &WebView::webActionEnabledChanged, [this, webView](QWebEnginePage::WebAction action, bool enabled) {
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if (currentIndex() == indexOf(webView))
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emit webActionEnabledChanged(action,enabled);
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});
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connect(webPage, &QWebEnginePage::windowCloseRequested, [this, webView]() {
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int index = indexOf(webView);
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if (webView->page()->inspectedPage())
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window()->close();
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else if (index >= 0)
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closeTab(index);
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});
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connect(webView, &WebView::devToolsRequested, this, &TabWidget::devToolsRequested);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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connect(webPage, &QWebEnginePage::findTextFinished, [this, webView](const QWebEngineFindTextResult &result) {
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if (currentIndex() == indexOf(webView))
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emit findTextFinished(result);
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});
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#endif
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}
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WebView *TabWidget::createTab()
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{
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WebView *webView = createBackgroundTab();
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setCurrentWidget(webView);
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return webView;
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}
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WebView *TabWidget::createBackgroundTab()
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{
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WebView *webView = new WebView;
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WebPage *webPage = new WebPage(m_profile, webView);
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webView->setPage(webPage);
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setupView(webView);
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int index = addTab(webView, tr("(Untitled)"));
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setTabIcon(index, webView->favIcon());
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// Workaround for QTBUG-61770
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webView->resize(currentWidget()->size());
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webView->show();
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return webView;
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}
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void TabWidget::reloadAllTabs()
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{
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for (int i = 0; i < count(); ++i)
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webView(i)->reload();
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}
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void TabWidget::closeOtherTabs(int index)
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{
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for (int i = count() - 1; i > index; --i)
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closeTab(i);
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for (int i = index - 1; i >= 0; --i)
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closeTab(i);
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}
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void TabWidget::closeTab(int index)
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{
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if (WebView *view = webView(index)) {
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bool hasFocus = view->hasFocus();
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removeTab(index);
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if (hasFocus && count() > 0)
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currentWebView()->setFocus();
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if (count() == 0)
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createTab();
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view->deleteLater();
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}
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}
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void TabWidget::cloneTab(int index)
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{
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if (WebView *view = webView(index)) {
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WebView *tab = createTab();
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tab->setUrl(view->url());
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}
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}
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void TabWidget::setUrl(const QUrl &url)
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{
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if (WebView *view = currentWebView()) {
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view->setUrl(url);
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view->setFocus();
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}
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}
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void TabWidget::triggerWebPageAction(QWebEnginePage::WebAction action)
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{
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if (WebView *webView = currentWebView()) {
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webView->triggerPageAction(action);
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webView->setFocus();
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}
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}
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void TabWidget::nextTab()
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{
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int next = currentIndex() + 1;
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if (next == count())
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next = 0;
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setCurrentIndex(next);
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}
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void TabWidget::previousTab()
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{
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int next = currentIndex() - 1;
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if (next < 0)
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next = count() - 1;
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setCurrentIndex(next);
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}
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void TabWidget::reloadTab(int index)
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{
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if (WebView *view = webView(index))
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view->reload();
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}
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