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fix scrolling bug: 3320 and 3652, maybe not perfect

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18629 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Peter Kümmel 2007-06-02 07:58:11 +00:00
parent bda7cbec29
commit d582d487ff
1 changed files with 19 additions and 0 deletions
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19
src/frontends/qt4/GuiWorkArea.cpp
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@ -48,6 +48,11 @@
#include <boost/bind.hpp>
#include <boost/current_function.hpp>
#ifdef Q_WS_X11
#include <QX11Info>
extern "C" int XEventsQueued(Display *display, int mode);
#endif
#ifdef Q_WS_WIN
int const CursorWidth = 2;
#else
@ -234,6 +239,7 @@ void GuiWorkArea::setScrollbarParams(int h, int scroll_pos, int scroll_line_step
void GuiWorkArea::adjustViewWithScrollBar(int)
{
scrollBufferView(verticalScrollBar()->sliderPosition());
QApplication::syncX();
}
@ -414,6 +420,19 @@ void GuiWorkArea::generateSyntheticMouseEvent()
void GuiWorkArea::keyPressEvent(QKeyEvent * e)
{
// do nothing if there are other events
// (the auto repeated events come too fast)
// \todo FIXME: remove hard coded Qt keysprocess the key binding
#ifdef Q_WS_X11
if (XEventsQueued(QX11Info::display(), 0) > 1 && e->isAutoRepeat()
&& (Qt::Key_PageDown || Qt::Key_PageUp)) {
LYXERR(Debug::KEY)
<< BOOST_CURRENT_FUNCTION << endl
<< "sysstem is busy: scroll key event ignored" << endl;
e->ignore();
return;
}
#endif
LYXERR(Debug::KEY) << BOOST_CURRENT_FUNCTION
<< " count=" << e->count()