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82 lines
2.5 KiB
C++
82 lines
2.5 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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#ifndef __ARTICLEWEBVIEW_HH_INCLUDED__
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#define __ARTICLEWEBVIEW_HH_INCLUDED__
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#include "config.hh"
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#include <QEvent>
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#include <QMouseEvent>
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#include <QWebEngineView>
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#include <QPointer>
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/// A thin wrapper around QWebEngineView to accommodate to some ArticleView's needs.
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/// Currently the only added features:
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/// 1. Ability to know if the middle mouse button is pressed or not according
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/// to the view's current state. This is used to open links in new tabs when
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/// they are clicked with middle button. There's also an added possibility to
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/// get double-click events after the fact with the doubleClicked() signal.
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class ArticleWebView: public QWebEngineView
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{
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Q_OBJECT
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public:
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explicit ArticleWebView( QWidget * parent );
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void setUp( Config::Class * _cfg );
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bool isMidButtonPressed() const
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{
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return midButtonPressed;
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}
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void resetMidButtonPressed()
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{
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midButtonPressed = false;
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}
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void setSelectionBySingleClick( bool set )
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{
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selectionBySingleClick = set;
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}
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bool eventFilter( QObject * obj, QEvent * ev ) override;
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signals:
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/// Signals that the user has just double-clicked. The signal is delivered
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/// after the event was processed by the view -- that's the difference from
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/// installing an event filter. This is used for translating the double-clicked
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/// word, which gets selected by the view in response to double-click.
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void doubleClicked( QPoint pos );
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void linkClicked( const QUrl & url );
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protected:
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QWebEngineView * createWindow( QWebEnginePage::WebWindowType type ) override;
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bool event( QEvent * event ) override;
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void singleClickAction( QMouseEvent * event );
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void sendCustomMouseEvent( QEvent::Type type );
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void mousePressEvent( QMouseEvent * event ) override;
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void mouseReleaseEvent( QMouseEvent * event ) override;
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void doubleClickAction( QMouseEvent * event );
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void wheelEvent( QWheelEvent * event ) override;
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private:
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Config::Class * cfg;
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//QPointer<QOpenGLWidget> child_;
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bool midButtonPressed;
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bool selectionBySingleClick;
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//MouseDbClickEvent will also emit MousePressEvent which conflict the single click event.
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//this variable used to distinguish the single click and real double click.
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bool singleClickToDbClick;
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bool dbClicked;
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public slots:
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//receive signal ,a link has been clicked.
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void linkClickedInHtml( QUrl const & url );
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};
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#endif
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