goldendict-ng/articlewebview.hh
2018-07-07 17:33:15 +08:00

66 lines
2 KiB
C++

/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#ifndef __ARTICLEWEBVIEW_HH_INCLUDED__
#define __ARTICLEWEBVIEW_HH_INCLUDED__
#include <QWebView>
#include "config.hh"
class ArticleInspector;
/// A thin wrapper around QWebView to accommodate to some ArticleView's needs.
/// Currently the only added features:
/// 1. Ability to know if the middle mouse button is pressed or not according
/// to the view's current state. This is used to open links in new tabs when
/// they are clicked with middle button. There's also an added possibility to
/// get double-click events after the fact with the doubleClicked() signal.
/// 2. Manage our own QWebInspector instance. In order to show inspector correctly,
/// use triggerPageAction( QWebPage::InspectElement ) instead.
class ArticleWebView: public QWebView
{
Q_OBJECT
public:
ArticleWebView( QWidget * parent );
~ArticleWebView();
void setUp( Config::Class * cfg );
bool isMidButtonPressed() const
{ return midButtonPressed; }
void setSelectionBySingleClick( bool set )
{ selectionBySingleClick = set; }
void triggerPageAction( QWebPage::WebAction action, bool checked = false );
signals:
/// Signals that the user has just double-clicked. The signal is delivered
/// after the event was processed by the view -- that's the difference from
/// installing an event filter. This is used for translating the double-clicked
/// word, which gets selected by the view in response to double-click.
void doubleClicked( QPoint pos );
protected:
bool event( QEvent * event );
void mousePressEvent( QMouseEvent * event );
void mouseReleaseEvent( QMouseEvent * event );
void mouseDoubleClickEvent( QMouseEvent * event );
void focusInEvent( QFocusEvent * event );
void wheelEvent( QWheelEvent * event );
private:
Config::Class * cfg;
ArticleInspector * inspector;
bool midButtonPressed;
bool selectionBySingleClick;
bool showInspectorDirectly;
};
#endif