mirror of
https://github.com/xiaoyifang/goldendict-ng.git
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151 lines
3.4 KiB
C++
151 lines
3.4 KiB
C++
/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "articlewebview.hh"
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#include <QMouseEvent>
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#include <QWebEngineView>
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#include <QApplication>
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#ifdef Q_OS_WIN32
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#include <qt_windows.h>
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#endif
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ArticleWebView::ArticleWebView( QWidget *parent ):
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QWebEngineView( parent ),
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midButtonPressed( false ),
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selectionBySingleClick( false ),
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showInspectorDirectly( true )
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{
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}
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ArticleWebView::~ArticleWebView()
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{
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}
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void ArticleWebView::setUp( Config::Class * cfg )
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{
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this->cfg = cfg;
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}
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void ArticleWebView::triggerPageAction( QWebEnginePage::WebAction action, bool checked )
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{
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QWebEngineView::triggerPageAction( action, checked );
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}
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bool ArticleWebView::event( QEvent * event )
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{
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switch ( event->type() )
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{
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case QEvent::MouseButtonRelease:
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case QEvent::MouseButtonDblClick:
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showInspectorDirectly = true;
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break;
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case QEvent::ContextMenu:
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showInspectorDirectly = false;
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break;
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default:
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break;
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}
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return QWebEngineView::event( event );
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}
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void ArticleWebView::mousePressEvent( QMouseEvent * event )
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{
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if ( event->buttons() & Qt::MidButton )
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midButtonPressed = true;
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QWebEngineView::mousePressEvent( event );
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if ( selectionBySingleClick && ( event->buttons() & Qt::LeftButton ) )
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{
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findText(""); // clear the selection first, if any
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QMouseEvent ev( QEvent::MouseButtonDblClick, event->pos(), Qt::LeftButton, Qt::LeftButton, event->modifiers() );
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QApplication::sendEvent( page(), &ev );
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}
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}
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void ArticleWebView::mouseReleaseEvent( QMouseEvent * event )
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{
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bool noMidButton = !( event->buttons() & Qt::MidButton );
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QWebEngineView::mouseReleaseEvent( event );
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if ( midButtonPressed & noMidButton )
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midButtonPressed = false;
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}
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void ArticleWebView::mouseDoubleClickEvent( QMouseEvent * event )
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{
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QWebEngineView::mouseDoubleClickEvent( event );
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//todo
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#if QT_VERSION >= 0x040600 && QT_VERSION <0x050500
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int scrollBarWidth = page()->contentsSize().width();
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int scrollBarHeight = page()->contentsSize().height();
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#else
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int scrollBarWidth = 0;
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int scrollBarHeight = 0;
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#endif
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// emit the signal only if we are not double-clicking on scrollbars
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if ( ( event->x() < width() - scrollBarWidth ) &&
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( event->y() < height() - scrollBarHeight ) )
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{
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emit doubleClicked( event->pos() );
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}
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}
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void ArticleWebView::focusInEvent( QFocusEvent * event )
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{
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QWebEngineView::focusInEvent( event );
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switch( event->reason() )
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{
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case Qt::MouseFocusReason:
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case Qt::TabFocusReason:
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case Qt::BacktabFocusReason:
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page()->runJavaScript("top.focus();");
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break;
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default:
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break;
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}
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}
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void ArticleWebView::wheelEvent( QWheelEvent *ev )
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{
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#ifdef Q_OS_WIN32
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// Avoid wrong mouse wheel handling in QWebEngineView
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// if system preferences is set to "scroll by page"
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if( ev->modifiers() == Qt::NoModifier )
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{
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unsigned nLines;
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SystemParametersInfo( SPI_GETWHEELSCROLLLINES, 0, &nLines, 0 );
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if( nLines == WHEEL_PAGESCROLL )
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{
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QKeyEvent kev( QEvent::KeyPress, ev->delta() > 0 ? Qt::Key_PageUp : Qt::Key_PageDown,
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Qt::NoModifier );
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QApplication::sendEvent( this, &kev );
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ev->accept();
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return;
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}
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}
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#endif
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if ( ev->modifiers().testFlag( Qt::ControlModifier ) )
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{
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ev->ignore();
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}
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else
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{
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QWebEngineView::wheelEvent( ev );
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}
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}
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