284 lines
8.6 KiB
C++
284 lines
8.6 KiB
C++
// For license of this file, see <project-root-folder>/LICENSE.md.
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#include "gui/webviewer.h"
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#include "definitions/definitions.h"
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#include "gui/dialogs/formmain.h"
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#include "gui/tabwidget.h"
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#include "gui/webbrowser.h"
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#include "miscellaneous/application.h"
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#include "miscellaneous/externaltool.h"
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#include "miscellaneous/skinfactory.h"
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#include "network-web/adblock/adblockicon.h"
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#include "network-web/adblock/adblockmanager.h"
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#include "network-web/webfactory.h"
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#include "network-web/webpage.h"
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#include <QFileIconProvider>
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#include <QOpenGLWidget>
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#include <QTimer>
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#include <QWebEngineContextMenuData>
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#include <QWheelEvent>
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WebViewer::WebViewer(QWidget* parent) : QWebEngineView(parent), m_root(nullptr) {
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WebPage* page = new WebPage(this);
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setPage(page);
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resetWebPageZoom();
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}
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bool WebViewer::canIncreaseZoom() {
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return zoomFactor() <= double(MAX_ZOOM_FACTOR) - double(ZOOM_FACTOR_STEP);
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}
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bool WebViewer::canDecreaseZoom() {
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return zoomFactor() >= double(MIN_ZOOM_FACTOR) + double(ZOOM_FACTOR_STEP);
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}
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bool WebViewer::event(QEvent* event) {
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if (event->type() == QEvent::Type::ChildAdded) {
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QChildEvent* child_ev = static_cast<QChildEvent*>(event);
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QWidget* w = dynamic_cast<QWidget*>(child_ev->child());
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if (w != nullptr) {
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w->installEventFilter(this);
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}
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}
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return QWebEngineView::event(event);
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}
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WebPage* WebViewer::page() const {
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return qobject_cast<WebPage*>(QWebEngineView::page());
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}
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void WebViewer::displayMessage() {
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setHtml(m_messageContents /*, QUrl::fromUserInput(INTERNAL_URL_MESSAGE)*/);
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}
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bool WebViewer::increaseWebPageZoom() {
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if (canIncreaseZoom()) {
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setZoomFactor(zoomFactor() + double(ZOOM_FACTOR_STEP));
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qApp->settings()->setValue(GROUP(Messages), Messages::Zoom, zoomFactor());
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return true;
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}
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else {
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return false;
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}
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}
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bool WebViewer::decreaseWebPageZoom() {
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if (canDecreaseZoom()) {
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setZoomFactor(zoomFactor() - double(ZOOM_FACTOR_STEP));
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qApp->settings()->setValue(GROUP(Messages), Messages::Zoom, zoomFactor());
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return true;
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}
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else {
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return false;
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}
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}
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bool WebViewer::resetWebPageZoom(bool to_factory_default) {
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const qreal new_factor = to_factory_default ? 1.0 : qApp->settings()->value(GROUP(Messages),
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SETTING(Messages::Zoom)).toReal();
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if (to_factory_default) {
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qApp->settings()->setValue(GROUP(Messages), Messages::Zoom, new_factor);
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}
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if (new_factor != zoomFactor()) {
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setZoomFactor(new_factor);
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return true;
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}
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else {
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return false;
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}
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}
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void WebViewer::loadMessages(const QList<Message>& messages, RootItem* root) {
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Skin skin = qApp->skins()->currentSkin();
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QString messages_layout;
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QString single_message_layout = skin.m_layoutMarkup;
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for (const Message& message : messages) {
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QString enclosures;
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QString enclosure_images;
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for (const Enclosure& enclosure : message.m_enclosures) {
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QString enc_url;
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if (!enclosure.m_url.contains(QRegularExpression(QSL("^(http|ftp|\\/)")))) {
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enc_url = QString(INTERNAL_URL_PASSATTACHMENT) + QL1S("/?") + enclosure.m_url;
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}
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else {
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enc_url = enclosure.m_url;
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}
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enc_url = QUrl::fromPercentEncoding(enc_url.toUtf8());
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enclosures += skin.m_enclosureMarkup.arg(enc_url,
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QSL("🧷"), enclosure.m_mimeType);
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/*
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if (enclosure.m_mimeType.startsWith(QSL("image/"))) {
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// Add thumbnail image.
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enclosure_images += skin.m_enclosureImageMarkup.arg(
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enclosure.m_url,
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enclosure.m_mimeType,
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qApp->settings()->value(GROUP(Messages), SETTING(Messages::MessageHeadImageHeight)).toString());
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}
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*/
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}
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messages_layout.append(single_message_layout
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.arg(message.m_title,
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tr("Written by ") + (message.m_author.isEmpty() ?
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tr("unknown author") :
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message.m_author),
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message.m_url,
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message.m_contents,
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QLocale().toString(message.m_created.toLocalTime(), QLocale::FormatType::ShortFormat),
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enclosures,
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enclosure_images));
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}
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m_root = root;
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m_messageContents = skin.m_layoutMarkupWrapper.arg(messages.size() == 1 ? messages.at(0).m_title : tr("Newspaper view"),
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messages_layout);
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bool previously_enabled = isEnabled();
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setEnabled(false);
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displayMessage();
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setEnabled(previously_enabled);
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page()->runJavaScript(QSL("window.scrollTo(0, 0);"));
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}
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void WebViewer::clear() {
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bool previously_enabled = isEnabled();
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setEnabled(false);
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setHtml("<!DOCTYPE html><html><body</body></html>", QUrl(INTERNAL_URL_BLANK));
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setEnabled(previously_enabled);
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}
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void WebViewer::contextMenuEvent(QContextMenuEvent* event) {
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event->accept();
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QMenu* menu = page()->createStandardContextMenu();
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QWebEngineContextMenuData menu_data = page()->contextMenuData();
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if (menu_data.linkUrl().isValid()) {
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// Add option to open link in external viewe
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menu->addAction(qApp->icons()->fromTheme(QSL("document-open")), tr("Open link in external browser"), [menu_data]() {
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qApp->web()->openUrlInExternalBrowser(menu_data.linkUrl().toString());
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if (qApp->settings()->value(GROUP(Messages), SETTING(Messages::BringAppToFrontAfterMessageOpenedExternally)).toBool()) {
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QTimer::singleShot(1000, qApp, []() {
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qApp->mainForm()->display();
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});
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}
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});
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}
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if (menu_data.mediaUrl().isValid() || menu_data.linkUrl().isValid()) {
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QFileIconProvider icon_provider;
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QMenu* menu_ext_tools = new QMenu(tr("Open with external tool"), menu);
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auto tools = ExternalTool::toolsFromSettings();
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menu_ext_tools->setIcon(qApp->icons()->fromTheme(QSL("document-open")));
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for (const ExternalTool& tool : qAsConst(tools)) {
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QAction* act_tool = new QAction(QFileInfo(tool.executable()).fileName(), menu_ext_tools);
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act_tool->setIcon(icon_provider.icon(tool.executable()));
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act_tool->setToolTip(tool.executable());
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act_tool->setData(QVariant::fromValue(tool));
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menu_ext_tools->addAction(act_tool);
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connect(act_tool, &QAction::triggered, this, [this, act_tool, menu_data]() {
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openUrlWithExternalTool(act_tool->data().value<ExternalTool>(), menu_data);
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});
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}
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if (menu_ext_tools->actions().isEmpty()) {
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QAction* act_not_tools = new QAction("No external tools activated");
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act_not_tools->setEnabled(false);
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menu_ext_tools->addAction(act_not_tools);
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}
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menu->addMenu(menu_ext_tools);
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}
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menu->addAction(qApp->web()->adBlock()->adBlockIcon());
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menu->addAction(qApp->web()->engineSettingsAction());
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const QPoint pos = event->globalPos();
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QPoint p(pos.x(), pos.y() + 1);
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menu->popup(p);
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}
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QWebEngineView* WebViewer::createWindow(QWebEnginePage::WebWindowType type) {
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Q_UNUSED(type)
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int index = qApp->mainForm()->tabWidget()->addBrowser(false, false);
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if (index >= 0) {
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return qApp->mainForm()->tabWidget()->widget(index)->webBrowser()->viewer();
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}
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else {
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return nullptr;
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}
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}
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void WebViewer::wheelEvent(QWheelEvent* event) {
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QWebEngineView::wheelEvent(event);
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}
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bool WebViewer::eventFilter(QObject* object, QEvent* event) {
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Q_UNUSED(object)
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if (event->type() == QEvent::Type::Wheel) {
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QWheelEvent* wh_event = static_cast<QWheelEvent*>(event);
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if ((wh_event->modifiers() & Qt::KeyboardModifier::ControlModifier) > 0) {
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if (wh_event->angleDelta().y() > 0) {
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increaseWebPageZoom();
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return true;
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}
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else if (wh_event->angleDelta().y() < 0) {
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decreaseWebPageZoom();
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return true;
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}
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}
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}
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else if (event->type() == QEvent::Type::KeyPress) {
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QKeyEvent* key_event = static_cast<QKeyEvent*>(event);
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if ((key_event->modifiers() & Qt::KeyboardModifier::ControlModifier) > 0) {
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if (key_event->key() == Qt::Key::Key_Plus) {
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increaseWebPageZoom();
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return true;
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}
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else if (key_event->key() == Qt::Key::Key_Minus) {
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decreaseWebPageZoom();
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return true;
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}
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else if (key_event->key() == Qt::Key::Key_0) {
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resetWebPageZoom(true);
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return true;
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}
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}
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}
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return false;
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}
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void WebViewer::openUrlWithExternalTool(ExternalTool tool, const QWebEngineContextMenuData& target) {
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tool.run(target.mediaUrl().isValid() ? target.mediaUrl().toString() : target.linkUrl().toString());
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}
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RootItem* WebViewer::root() const {
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return m_root;
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}
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