diff options
Diffstat (limited to 'src/assistant/assistant/helpviewer_qwv.cpp')
| -rw-r--r-- | src/assistant/assistant/helpviewer_qwv.cpp | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/src/assistant/assistant/helpviewer_qwv.cpp b/src/assistant/assistant/helpviewer_qwv.cpp deleted file mode 100644 index 7ed073eb8..000000000 --- a/src/assistant/assistant/helpviewer_qwv.cpp +++ /dev/null @@ -1,395 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Assistant of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** 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 https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "helpviewer.h" -#include "helpviewer_p.h" - -#include "centralwidget.h" -#include "helpenginewrapper.h" -#include "helpbrowsersupport.h" -#include "openpagesmanager.h" -#include "tracer.h" - -#include <QClipboard> -#include <QtCore/QFileInfo> -#include <QtCore/QString> -#include <QtCore/QTimer> - -#include <QtWidgets/QApplication> -#include <QtGui/QWheelEvent> - -#include <QtNetwork/QNetworkReply> - -QT_BEGIN_NAMESPACE - -// -- HelpPage - -class HelpPage : public QWebPage -{ -public: - HelpPage(QObject *parent); - -protected: - virtual QWebPage *createWindow(QWebPage::WebWindowType); - virtual void triggerAction(WebAction action, bool checked = false); - - virtual bool acceptNavigationRequest(QWebFrame *frame, - const QNetworkRequest &request, NavigationType type); - -private: - bool closeNewTabIfNeeded; - - friend class HelpViewer; - QUrl m_loadingUrl; - Qt::MouseButtons m_pressedButtons; - Qt::KeyboardModifiers m_keyboardModifiers; -}; - -HelpPage::HelpPage(QObject *parent) - : QWebPage(parent) - , closeNewTabIfNeeded(false) - , m_pressedButtons(Qt::NoButton) - , m_keyboardModifiers(Qt::NoModifier) -{ - TRACE_OBJ -} - -QWebPage *HelpPage::createWindow(QWebPage::WebWindowType) -{ - TRACE_OBJ - HelpPage *newPage = static_cast<HelpPage *>(OpenPagesManager::instance() - ->createBlankPage()->page()); - newPage->closeNewTabIfNeeded = closeNewTabIfNeeded; - closeNewTabIfNeeded = false; - return newPage; -} - -void HelpPage::triggerAction(WebAction action, bool checked) -{ - TRACE_OBJ - switch (action) { - case OpenLinkInNewWindow: - closeNewTabIfNeeded = true; - Q_FALLTHROUGH(); - default: - QWebPage::triggerAction(action, checked); - break; - } - -#if QT_CONFIG(clipboard) - if (action == CopyLinkToClipboard || action == CopyImageUrlToClipboard) { - const QString link = QApplication::clipboard()->text(); - QApplication::clipboard()->setText(HelpEngineWrapper::instance().findFile(link).toString()); - } -#endif -} - -bool HelpPage::acceptNavigationRequest(QWebFrame *, - const QNetworkRequest &request, QWebPage::NavigationType type) -{ - TRACE_OBJ - const bool closeNewTab = closeNewTabIfNeeded; - closeNewTabIfNeeded = false; - - const QUrl &url = request.url(); - if (HelpViewer::launchWithExternalApp(url)) { - if (closeNewTab) - QMetaObject::invokeMethod(OpenPagesManager::instance(), "closeCurrentPage"); - return false; - } - - if (type == QWebPage::NavigationTypeLinkClicked - && (m_keyboardModifiers & Qt::ControlModifier - || m_pressedButtons == Qt::MiddleButton)) { - m_pressedButtons = Qt::NoButton; - m_keyboardModifiers = Qt::NoModifier; - OpenPagesManager::instance()->createPage(url); - return false; - } - - m_loadingUrl = url; // because of async page loading, we will hit some kind - // of race condition while using a remote command, like a combination of - // SetSource; SyncContent. SetSource would be called and SyncContents shortly - // afterwards, but the page might not have finished loading and the old url - // would be returned. - return true; -} - -// -- HelpViewer - -HelpViewer::HelpViewer(qreal zoom, QWidget *parent) - : QWebView(parent) - , d(new HelpViewerPrivate) -{ - TRACE_OBJ - setAcceptDrops(false); - settings()->setAttribute(QWebSettings::JavaEnabled, false); - settings()->setAttribute(QWebSettings::PluginsEnabled, false); - - setPage(new HelpPage(this)); - page()->setNetworkAccessManager(HelpBrowserSupport::createNetworkAccessManager(this)); - - QAction* action = pageAction(QWebPage::OpenLinkInNewWindow); - action->setText(tr("Open Link in New Page")); - - pageAction(QWebPage::DownloadLinkToDisk)->setVisible(false); - pageAction(QWebPage::DownloadImageToDisk)->setVisible(false); - pageAction(QWebPage::OpenImageInNewWindow)->setVisible(false); - - connect(pageAction(QWebPage::Copy), SIGNAL(changed()), this, - SLOT(actionChanged())); - connect(pageAction(QWebPage::Back), SIGNAL(changed()), this, - SLOT(actionChanged())); - connect(pageAction(QWebPage::Forward), SIGNAL(changed()), this, - SLOT(actionChanged())); - connect(page(), &QWebPage::linkHovered, this, - [this] (const QString &link, const QString &, const QString &) { - emit this->highlighted(QUrl(link)); - }); - connect(this, SIGNAL(urlChanged(QUrl)), this, SIGNAL(sourceChanged(QUrl))); - connect(this, SIGNAL(loadStarted()), this, SLOT(setLoadStarted())); - connect(this, SIGNAL(loadFinished(bool)), this, SLOT(setLoadFinished(bool))); - connect(this, SIGNAL(titleChanged(QString)), this, SIGNAL(titleChanged())); - connect(page(), SIGNAL(printRequested(QWebFrame*)), this, SIGNAL(printRequested())); - - setFont(viewerFont()); - setZoomFactor(d->webDpiRatio * (zoom == 0.0 ? 1.0 : zoom)); -} - -QFont HelpViewer::viewerFont() const -{ - TRACE_OBJ - if (HelpEngineWrapper::instance().usesBrowserFont()) - return HelpEngineWrapper::instance().browserFont(); - - QWebSettings *webSettings = QWebSettings::globalSettings(); - return QFont(webSettings->fontFamily(QWebSettings::StandardFont), - webSettings->fontSize(QWebSettings::DefaultFontSize)); -} - -void HelpViewer::setViewerFont(const QFont &font) -{ - TRACE_OBJ - QWebSettings *webSettings = settings(); - webSettings->setFontFamily(QWebSettings::StandardFont, font.family()); - webSettings->setFontSize(QWebSettings::DefaultFontSize, font.pointSize()); -} - -void HelpViewer::scaleUp() -{ - TRACE_OBJ - setZoomFactor(zoomFactor() + 0.1); -} - -void HelpViewer::scaleDown() -{ - TRACE_OBJ - setZoomFactor(qMax(0.0, zoomFactor() - 0.1)); -} - -void HelpViewer::resetScale() -{ - TRACE_OBJ - setZoomFactor(d->webDpiRatio); -} - -qreal HelpViewer::scale() const -{ - TRACE_OBJ - return zoomFactor() / d->webDpiRatio; -} - -QString HelpViewer::title() const -{ - TRACE_OBJ - return QWebView::title(); -} - -void HelpViewer::setTitle(const QString &title) -{ - TRACE_OBJ - Q_UNUSED(title); -} - -QUrl HelpViewer::source() const -{ - TRACE_OBJ - HelpPage *currentPage = static_cast<HelpPage*> (page()); - if (currentPage && !d->m_loadFinished) { - // see HelpPage::acceptNavigationRequest(...) - return currentPage->m_loadingUrl; - } - return url(); -} - -void HelpViewer::setSource(const QUrl &url) -{ - TRACE_OBJ - load(url.toString() == QLatin1String("help") ? LocalHelpFile : url); -} - -QString HelpViewer::selectedText() const -{ - TRACE_OBJ - return QWebView::selectedText(); -} - -bool HelpViewer::isForwardAvailable() const -{ - TRACE_OBJ - return pageAction(QWebPage::Forward)->isEnabled(); -} - -bool HelpViewer::isBackwardAvailable() const -{ - TRACE_OBJ - return pageAction(QWebPage::Back)->isEnabled(); -} - -bool HelpViewer::findText(const QString &text, FindFlags flags, bool incremental, - bool fromSearch) -{ - TRACE_OBJ - Q_UNUSED(incremental); Q_UNUSED(fromSearch); - QWebPage::FindFlags options = QWebPage::FindWrapsAroundDocument; - if (flags & FindBackward) - options |= QWebPage::FindBackward; - if (flags & FindCaseSensitively) - options |= QWebPage::FindCaseSensitively; - - bool found = QWebView::findText(text, options); - options = QWebPage::HighlightAllOccurrences; - QWebView::findText(QString(), options); // clear first - QWebView::findText(text, options); // force highlighting of all other matches - return found; -} - -// -- public slots - -#if QT_CONFIG(clipboard) -void HelpViewer::copy() -{ - TRACE_OBJ - triggerPageAction(QWebPage::Copy); -} -#endif - -void HelpViewer::forward() -{ - TRACE_OBJ - QWebView::forward(); -} - -void HelpViewer::backward() -{ - TRACE_OBJ - back(); -} - -// -- protected - -void HelpViewer::keyPressEvent(QKeyEvent *e) -{ - TRACE_OBJ - // TODO: remove this once we support multiple keysequences per command -#if QT_CONFIG(clipboard) - if (e->key() == Qt::Key_Insert && e->modifiers() == Qt::CTRL) { - if (!selectedText().isEmpty()) - copy(); - } -#endif - QWebView::keyPressEvent(e); -} - -void HelpViewer::wheelEvent(QWheelEvent *event) -{ - TRACE_OBJ - if (event->modifiers()& Qt::ControlModifier) { - event->accept(); - event->delta() > 0 ? scaleUp() : scaleDown(); - } else { - QWebView::wheelEvent(event); - } -} - -void HelpViewer::mousePressEvent(QMouseEvent *event) -{ - TRACE_OBJ -#ifdef Q_OS_LINUX - if (handleForwardBackwardMouseButtons(event)) - return; -#endif - - if (HelpPage *currentPage = static_cast<HelpPage*> (page())) { - currentPage->m_pressedButtons = event->buttons(); - currentPage->m_keyboardModifiers = event->modifiers(); - } - - QWebView::mousePressEvent(event); -} - -void HelpViewer::mouseReleaseEvent(QMouseEvent *event) -{ - TRACE_OBJ -#ifndef Q_OS_LINUX - if (handleForwardBackwardMouseButtons(event)) - return; -#endif - - QWebView::mouseReleaseEvent(event); -} - -// -- private slots - -void HelpViewer::actionChanged() -{ - TRACE_OBJ - QAction *a = qobject_cast<QAction *>(sender()); - if (a == pageAction(QWebPage::Copy)) - emit copyAvailable(a->isEnabled()); - else if (a == pageAction(QWebPage::Back)) - emit backwardAvailable(a->isEnabled()); - else if (a == pageAction(QWebPage::Forward)) - emit forwardAvailable(a->isEnabled()); -} - -// -- private - -bool HelpViewer::eventFilter(QObject *obj, QEvent *event) -{ - TRACE_OBJ - return QWebView::eventFilter(obj, event); -} - -void HelpViewer::contextMenuEvent(QContextMenuEvent *event) -{ - TRACE_OBJ - QWebView::contextMenuEvent(event); -} - -QT_END_NAMESPACE |