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Win-specific: Avoid wrong mouse wheel handling in QWebView if system preferences is set to "scroll by page" (issue #385)

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Abs62 2013-09-26 18:57:59 +04:00
parent 1833d09353
commit f7db4dc340
1 changed files with 25 additions and 0 deletions
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25
articlewebview.cc
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@ -7,6 +7,10 @@
#include <QApplication>
#include "articleinspector.hh"
#ifdef Q_OS_WIN32
#include <qt_windows.h>
#endif
ArticleWebView::ArticleWebView( QWidget *parent ):
QWebView( parent ),
#if QT_VERSION >= 0x040600
@ -143,6 +147,27 @@ void ArticleWebView::focusInEvent( QFocusEvent * event )
void ArticleWebView::wheelEvent( QWheelEvent *ev )
{
#ifdef Q_OS_WIN32
// Avoid wrong mouse wheel handling in QWebView
// if system preferences is set to "scroll by page"
if( ev->modifiers() == Qt::NoModifier )
{
unsigned nLines;
SystemParametersInfo( SPI_GETWHEELSCROLLLINES, 0, &nLines, 0 );
if( nLines == WHEEL_PAGESCROLL )
{
QKeyEvent kev( QEvent::KeyPress, ev->delta() > 0 ? Qt::Key_PageUp : Qt::Key_PageDown,
Qt::NoModifier );
QApplication::sendEvent( this, &kev );
ev->accept();
return;
}
}
#endif
if ( ev->modifiers().testFlag( Qt::ControlModifier ) )
{
ev->ignore();