552 lines
21 KiB
C++
552 lines
21 KiB
C++
/****************************************************************************
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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 "browser.h"
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#include "browserwindow.h"
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#include "downloadmanagerwidget.h"
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#include "tabwidget.h"
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#include "webview.h"
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#include <QApplication>
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#include <QCloseEvent>
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#include <QDesktopWidget>
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#include <QEvent>
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#include <QFileDialog>
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#include <QInputDialog>
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#include <QMenuBar>
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#include <QMessageBox>
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#include <QProgressBar>
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#include <QScreen>
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#include <QStatusBar>
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#include <QToolBar>
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#include <QVBoxLayout>
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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#include <QWebEngineFindTextResult>
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#endif
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#include <QWebEngineProfile>
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BrowserWindow::BrowserWindow(Browser *browser, QWebEngineProfile *profile, bool forDevTools)
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: m_browser(browser)
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, m_profile(profile)
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, m_tabWidget(new TabWidget(profile, this))
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, m_progressBar(nullptr)
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, m_historyBackAction(nullptr)
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, m_historyForwardAction(nullptr)
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, m_stopAction(nullptr)
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, m_reloadAction(nullptr)
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, m_stopReloadAction(nullptr)
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, m_urlLineEdit(nullptr)
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, m_favAction(nullptr)
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{
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setAttribute(Qt::WA_DeleteOnClose, true);
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setFocusPolicy(Qt::ClickFocus);
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if (!forDevTools) {
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m_progressBar = new QProgressBar(this);
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QToolBar *toolbar = createToolBar();
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addToolBar(toolbar);
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menuBar()->addMenu(createFileMenu(m_tabWidget));
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menuBar()->addMenu(createEditMenu());
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menuBar()->addMenu(createViewMenu(toolbar));
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menuBar()->addMenu(createWindowMenu(m_tabWidget));
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menuBar()->addMenu(createHelpMenu());
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}
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QWidget *centralWidget = new QWidget(this);
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QVBoxLayout *layout = new QVBoxLayout;
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layout->setSpacing(0);
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layout->setContentsMargins(0, 0, 0, 0);
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if (!forDevTools) {
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addToolBarBreak();
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m_progressBar->setMaximumHeight(1);
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m_progressBar->setTextVisible(false);
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m_progressBar->setStyleSheet(QStringLiteral("QProgressBar {border: 0px} QProgressBar::chunk {background-color: #da4453}"));
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layout->addWidget(m_progressBar);
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}
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layout->addWidget(m_tabWidget);
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centralWidget->setLayout(layout);
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setCentralWidget(centralWidget);
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connect(m_tabWidget, &TabWidget::titleChanged, this, &BrowserWindow::handleWebViewTitleChanged);
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if (!forDevTools) {
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connect(m_tabWidget, &TabWidget::linkHovered, [this](const QString& url) {
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statusBar()->showMessage(url);
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});
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connect(m_tabWidget, &TabWidget::loadProgress, this, &BrowserWindow::handleWebViewLoadProgress);
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connect(m_tabWidget, &TabWidget::webActionEnabledChanged, this, &BrowserWindow::handleWebActionEnabledChanged);
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connect(m_tabWidget, &TabWidget::urlChanged, [this](const QUrl &url) {
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m_urlLineEdit->setText(url.toDisplayString());
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});
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connect(m_tabWidget, &TabWidget::favIconChanged, m_favAction, &QAction::setIcon);
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connect(m_tabWidget, &TabWidget::devToolsRequested, this, &BrowserWindow::handleDevToolsRequested);
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connect(m_urlLineEdit, &QLineEdit::returnPressed, [this]() {
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m_tabWidget->setUrl(QUrl::fromUserInput(m_urlLineEdit->text()));
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});
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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connect(m_tabWidget, &TabWidget::findTextFinished, this, &BrowserWindow::handleFindTextFinished);
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#endif
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QAction *focusUrlLineEditAction = new QAction(this);
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addAction(focusUrlLineEditAction);
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focusUrlLineEditAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_L));
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connect(focusUrlLineEditAction, &QAction::triggered, this, [this] () {
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m_urlLineEdit->setFocus(Qt::ShortcutFocusReason);
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});
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}
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handleWebViewTitleChanged(QString());
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m_tabWidget->createTab();
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}
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QSize BrowserWindow::sizeHint() const
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{
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QRect desktopRect = QApplication::primaryScreen()->geometry();
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QSize size = desktopRect.size() * qreal(0.9);
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return size;
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}
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QMenu *BrowserWindow::createFileMenu(TabWidget *tabWidget)
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{
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QMenu *fileMenu = new QMenu(tr("&File"));
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fileMenu->addAction(tr("&New Window"), this, &BrowserWindow::handleNewWindowTriggered, QKeySequence::New);
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fileMenu->addAction(tr("New &Incognito Window"), this, &BrowserWindow::handleNewIncognitoWindowTriggered);
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QAction *newTabAction = new QAction(tr("New &Tab"), this);
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newTabAction->setShortcuts(QKeySequence::AddTab);
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connect(newTabAction, &QAction::triggered, this, [this]() {
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m_tabWidget->createTab();
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m_urlLineEdit->setFocus();
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});
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fileMenu->addAction(newTabAction);
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fileMenu->addAction(tr("&Open File..."), this, &BrowserWindow::handleFileOpenTriggered, QKeySequence::Open);
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fileMenu->addSeparator();
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QAction *closeTabAction = new QAction(tr("&Close Tab"), this);
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closeTabAction->setShortcuts(QKeySequence::Close);
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connect(closeTabAction, &QAction::triggered, [tabWidget]() {
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tabWidget->closeTab(tabWidget->currentIndex());
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});
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fileMenu->addAction(closeTabAction);
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QAction *closeAction = new QAction(tr("&Quit"),this);
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closeAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Q));
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connect(closeAction, &QAction::triggered, this, &QWidget::close);
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fileMenu->addAction(closeAction);
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connect(fileMenu, &QMenu::aboutToShow, [this, closeAction]() {
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if (m_browser->windows().count() == 1)
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closeAction->setText(tr("&Quit"));
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else
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closeAction->setText(tr("&Close Window"));
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});
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return fileMenu;
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}
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QMenu *BrowserWindow::createEditMenu()
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{
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QMenu *editMenu = new QMenu(tr("&Edit"));
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QAction *findAction = editMenu->addAction(tr("&Find"));
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findAction->setShortcuts(QKeySequence::Find);
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connect(findAction, &QAction::triggered, this, &BrowserWindow::handleFindActionTriggered);
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QAction *findNextAction = editMenu->addAction(tr("Find &Next"));
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findNextAction->setShortcut(QKeySequence::FindNext);
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connect(findNextAction, &QAction::triggered, [this]() {
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if (!currentTab() || m_lastSearch.isEmpty())
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return;
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currentTab()->findText(m_lastSearch);
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});
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QAction *findPreviousAction = editMenu->addAction(tr("Find &Previous"));
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findPreviousAction->setShortcut(QKeySequence::FindPrevious);
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connect(findPreviousAction, &QAction::triggered, [this]() {
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if (!currentTab() || m_lastSearch.isEmpty())
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return;
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currentTab()->findText(m_lastSearch, QWebEnginePage::FindBackward);
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});
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return editMenu;
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}
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QMenu *BrowserWindow::createViewMenu(QToolBar *toolbar)
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{
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QMenu *viewMenu = new QMenu(tr("&View"));
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m_stopAction = viewMenu->addAction(tr("&Stop"));
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QList<QKeySequence> shortcuts;
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Period));
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shortcuts.append(Qt::Key_Escape);
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m_stopAction->setShortcuts(shortcuts);
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connect(m_stopAction, &QAction::triggered, [this]() {
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m_tabWidget->triggerWebPageAction(QWebEnginePage::Stop);
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});
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m_reloadAction = viewMenu->addAction(tr("Reload Page"));
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m_reloadAction->setShortcuts(QKeySequence::Refresh);
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connect(m_reloadAction, &QAction::triggered, [this]() {
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m_tabWidget->triggerWebPageAction(QWebEnginePage::Reload);
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});
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QAction *zoomIn = viewMenu->addAction(tr("Zoom &In"));
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zoomIn->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Plus));
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connect(zoomIn, &QAction::triggered, [this]() {
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if (currentTab())
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currentTab()->setZoomFactor(currentTab()->zoomFactor() + 0.1);
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});
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QAction *zoomOut = viewMenu->addAction(tr("Zoom &Out"));
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zoomOut->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Minus));
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connect(zoomOut, &QAction::triggered, [this]() {
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if (currentTab())
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currentTab()->setZoomFactor(currentTab()->zoomFactor() - 0.1);
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});
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QAction *resetZoom = viewMenu->addAction(tr("Reset &Zoom"));
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resetZoom->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_0));
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connect(resetZoom, &QAction::triggered, [this]() {
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if (currentTab())
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currentTab()->setZoomFactor(1.0);
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});
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viewMenu->addSeparator();
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QAction *viewToolbarAction = new QAction(tr("Hide Toolbar"),this);
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viewToolbarAction->setShortcut(tr("Ctrl+|"));
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connect(viewToolbarAction, &QAction::triggered, [toolbar,viewToolbarAction]() {
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if (toolbar->isVisible()) {
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viewToolbarAction->setText(tr("Show Toolbar"));
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toolbar->close();
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} else {
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viewToolbarAction->setText(tr("Hide Toolbar"));
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toolbar->show();
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}
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});
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viewMenu->addAction(viewToolbarAction);
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QAction *viewStatusbarAction = new QAction(tr("Hide Status Bar"), this);
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viewStatusbarAction->setShortcut(tr("Ctrl+/"));
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connect(viewStatusbarAction, &QAction::triggered, [this, viewStatusbarAction]() {
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if (statusBar()->isVisible()) {
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viewStatusbarAction->setText(tr("Show Status Bar"));
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statusBar()->close();
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} else {
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viewStatusbarAction->setText(tr("Hide Status Bar"));
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statusBar()->show();
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}
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});
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viewMenu->addAction(viewStatusbarAction);
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return viewMenu;
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}
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QMenu *BrowserWindow::createWindowMenu(TabWidget *tabWidget)
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{
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QMenu *menu = new QMenu(tr("&Window"));
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QAction *nextTabAction = new QAction(tr("Show Next Tab"), this);
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QList<QKeySequence> shortcuts;
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceRight));
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageDown));
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BracketRight));
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Less));
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nextTabAction->setShortcuts(shortcuts);
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connect(nextTabAction, &QAction::triggered, tabWidget, &TabWidget::nextTab);
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QAction *previousTabAction = new QAction(tr("Show Previous Tab"), this);
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shortcuts.clear();
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceLeft));
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageUp));
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BracketLeft));
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shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Greater));
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previousTabAction->setShortcuts(shortcuts);
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connect(previousTabAction, &QAction::triggered, tabWidget, &TabWidget::previousTab);
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connect(menu, &QMenu::aboutToShow, [this, menu, nextTabAction, previousTabAction]() {
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menu->clear();
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menu->addAction(nextTabAction);
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menu->addAction(previousTabAction);
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menu->addSeparator();
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QVector<BrowserWindow*> windows = m_browser->windows();
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int index(-1);
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for (auto window : windows) {
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QAction *action = menu->addAction(window->windowTitle(), this, &BrowserWindow::handleShowWindowTriggered);
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action->setData(++index);
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action->setCheckable(true);
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if (window == this)
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action->setChecked(true);
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}
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});
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return menu;
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}
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QMenu *BrowserWindow::createHelpMenu()
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{
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QMenu *helpMenu = new QMenu(tr("&Help"));
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helpMenu->addAction(tr("About &Qt"), qApp, QApplication::aboutQt);
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return helpMenu;
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}
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QToolBar *BrowserWindow::createToolBar()
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{
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QToolBar *navigationBar = new QToolBar(tr("Navigation"));
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navigationBar->setMovable(false);
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navigationBar->toggleViewAction()->setEnabled(false);
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m_historyBackAction = new QAction(this);
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QList<QKeySequence> backShortcuts = QKeySequence::keyBindings(QKeySequence::Back);
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for (auto it = backShortcuts.begin(); it != backShortcuts.end();) {
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// Chromium already handles navigate on backspace when appropriate.
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if ((*it)[0] == Qt::Key_Backspace)
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it = backShortcuts.erase(it);
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else
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++it;
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}
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// For some reason Qt doesn't bind the dedicated Back key to Back.
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backShortcuts.append(QKeySequence(Qt::Key_Back));
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m_historyBackAction->setShortcuts(backShortcuts);
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m_historyBackAction->setIconVisibleInMenu(false);
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m_historyBackAction->setIcon(QIcon(QStringLiteral(":go-previous.png")));
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m_historyBackAction->setToolTip(tr("Go back in history"));
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connect(m_historyBackAction, &QAction::triggered, [this]() {
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m_tabWidget->triggerWebPageAction(QWebEnginePage::Back);
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});
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navigationBar->addAction(m_historyBackAction);
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m_historyForwardAction = new QAction(this);
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QList<QKeySequence> fwdShortcuts = QKeySequence::keyBindings(QKeySequence::Forward);
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for (auto it = fwdShortcuts.begin(); it != fwdShortcuts.end();) {
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if (((*it)[0] & Qt::Key_unknown) == Qt::Key_Backspace)
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it = fwdShortcuts.erase(it);
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else
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++it;
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}
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fwdShortcuts.append(QKeySequence(Qt::Key_Forward));
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m_historyForwardAction->setShortcuts(fwdShortcuts);
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m_historyForwardAction->setIconVisibleInMenu(false);
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m_historyForwardAction->setIcon(QIcon(QStringLiteral(":go-next.png")));
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m_historyForwardAction->setToolTip(tr("Go forward in history"));
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connect(m_historyForwardAction, &QAction::triggered, [this]() {
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m_tabWidget->triggerWebPageAction(QWebEnginePage::Forward);
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});
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navigationBar->addAction(m_historyForwardAction);
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m_stopReloadAction = new QAction(this);
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connect(m_stopReloadAction, &QAction::triggered, [this]() {
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m_tabWidget->triggerWebPageAction(QWebEnginePage::WebAction(m_stopReloadAction->data().toInt()));
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});
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navigationBar->addAction(m_stopReloadAction);
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m_urlLineEdit = new QLineEdit(this);
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m_favAction = new QAction(this);
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m_urlLineEdit->addAction(m_favAction, QLineEdit::LeadingPosition);
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m_urlLineEdit->setClearButtonEnabled(true);
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navigationBar->addWidget(m_urlLineEdit);
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auto downloadsAction = new QAction(this);
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downloadsAction->setIcon(QIcon(QStringLiteral(":go-bottom.png")));
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downloadsAction->setToolTip(tr("Show downloads"));
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navigationBar->addAction(downloadsAction);
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connect(downloadsAction, &QAction::triggered, [this]() {
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m_browser->downloadManagerWidget().show();
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});
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return navigationBar;
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}
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void BrowserWindow::handleWebActionEnabledChanged(QWebEnginePage::WebAction action, bool enabled)
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{
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switch (action) {
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case QWebEnginePage::Back:
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m_historyBackAction->setEnabled(enabled);
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break;
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case QWebEnginePage::Forward:
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m_historyForwardAction->setEnabled(enabled);
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break;
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case QWebEnginePage::Reload:
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m_reloadAction->setEnabled(enabled);
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break;
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case QWebEnginePage::Stop:
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m_stopAction->setEnabled(enabled);
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break;
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default:
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qWarning("Unhandled webActionChanged signal");
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}
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}
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void BrowserWindow::handleWebViewTitleChanged(const QString &title)
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{
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QString suffix = m_profile->isOffTheRecord()
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? tr("Qt Simple Browser (Incognito)")
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: tr("Qt Simple Browser");
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if (title.isEmpty())
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setWindowTitle(suffix);
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else
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setWindowTitle(title + " - " + suffix);
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}
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void BrowserWindow::handleNewWindowTriggered()
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{
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BrowserWindow *window = m_browser->createWindow();
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window->m_urlLineEdit->setFocus();
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}
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void BrowserWindow::handleNewIncognitoWindowTriggered()
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{
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BrowserWindow *window = m_browser->createWindow(/* offTheRecord: */ true);
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window->m_urlLineEdit->setFocus();
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}
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void BrowserWindow::handleFileOpenTriggered()
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{
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QUrl url = QFileDialog::getOpenFileUrl(this, tr("Open Web Resource"), QString(),
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tr("Web Resources (*.html *.htm *.svg *.png *.gif *.svgz);;All files (*.*)"));
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if (url.isEmpty())
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return;
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currentTab()->setUrl(url);
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}
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void BrowserWindow::handleFindActionTriggered()
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{
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if (!currentTab())
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return;
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bool ok = false;
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QString search = QInputDialog::getText(this, tr("Find"),
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|
tr("Find:"), QLineEdit::Normal,
|
|
m_lastSearch, &ok);
|
|
if (ok && !search.isEmpty()) {
|
|
m_lastSearch = search;
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
|
|
currentTab()->findText(m_lastSearch);
|
|
#else
|
|
currentTab()->findText(m_lastSearch, 0, [this](bool found) {
|
|
if (!found)
|
|
statusBar()->showMessage(tr("\"%1\" not found.").arg(m_lastSearch));
|
|
});
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void BrowserWindow::closeEvent(QCloseEvent *event)
|
|
{
|
|
if (m_tabWidget->count() > 1) {
|
|
int ret = QMessageBox::warning(this, tr("Confirm close"),
|
|
tr("Are you sure you want to close the window ?\n"
|
|
"There are %1 tabs open.").arg(m_tabWidget->count()),
|
|
QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
|
|
if (ret == QMessageBox::No) {
|
|
event->ignore();
|
|
return;
|
|
}
|
|
}
|
|
event->accept();
|
|
deleteLater();
|
|
}
|
|
|
|
TabWidget *BrowserWindow::tabWidget() const
|
|
{
|
|
return m_tabWidget;
|
|
}
|
|
|
|
WebView *BrowserWindow::currentTab() const
|
|
{
|
|
return m_tabWidget->currentWebView();
|
|
}
|
|
|
|
void BrowserWindow::handleWebViewLoadProgress(int progress)
|
|
{
|
|
static QIcon stopIcon(QStringLiteral(":process-stop.png"));
|
|
static QIcon reloadIcon(QStringLiteral(":view-refresh.png"));
|
|
|
|
if (0 < progress && progress < 100) {
|
|
m_stopReloadAction->setData(QWebEnginePage::Stop);
|
|
m_stopReloadAction->setIcon(stopIcon);
|
|
m_stopReloadAction->setToolTip(tr("Stop loading the current page"));
|
|
m_progressBar->setValue(progress);
|
|
} else {
|
|
m_stopReloadAction->setData(QWebEnginePage::Reload);
|
|
m_stopReloadAction->setIcon(reloadIcon);
|
|
m_stopReloadAction->setToolTip(tr("Reload the current page"));
|
|
m_progressBar->setValue(0);
|
|
}
|
|
}
|
|
|
|
void BrowserWindow::handleShowWindowTriggered()
|
|
{
|
|
if (QAction *action = qobject_cast<QAction*>(sender())) {
|
|
int offset = action->data().toInt();
|
|
QVector<BrowserWindow*> windows = m_browser->windows();
|
|
windows.at(offset)->activateWindow();
|
|
windows.at(offset)->currentTab()->setFocus();
|
|
}
|
|
}
|
|
|
|
void BrowserWindow::handleDevToolsRequested(QWebEnginePage *source)
|
|
{
|
|
source->setDevToolsPage(m_browser->createDevToolsWindow()->currentTab()->page());
|
|
source->triggerAction(QWebEnginePage::InspectElement);
|
|
}
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
|
|
void BrowserWindow::handleFindTextFinished(const QWebEngineFindTextResult &result)
|
|
{
|
|
if (result.numberOfMatches() == 0) {
|
|
statusBar()->showMessage(tr("\"%1\" not found.").arg(m_lastSearch));
|
|
} else {
|
|
statusBar()->showMessage(tr("\"%1\" found: %2/%3").arg(m_lastSearch,
|
|
QString::number(result.activeMatch()),
|
|
QString::number(result.numberOfMatches())));
|
|
}
|
|
}
|
|
#endif
|