void QtnPropertyDelegateQStringInvalidBase::drawValueImpl(QStylePainter& painter, const QRect& rect, const QStyle::State& state, bool* needTooltip) const
{
if ((m_invalidColor.alpha() != 0) && !isPropertyValid())
{
QPen oldPen = painter.pen();
painter.setPen(m_invalidColor);
QtnPropertyDelegateQString::drawValueImpl(painter, rect, state, needTooltip);
painter.setPen(oldPen);
}
else
{
QtnPropertyDelegateQString::drawValueImpl(painter, rect, state, needTooltip);
}
}
void CSGestureScroll::ProcessScroll(int x1, int y1, int x2, int y2) {
if (isPropertyValid(x1) &&
isPropertyValid(y1) &&
isPropertyValid(x2) &&
isPropertyValid(y2)){
int delta_x1 = x1 - lastx1;
int delta_y1 = y1 - lasty1;
int delta_x2 = x2 - lastx2;
int delta_y2 = y2 - lasty2;
bool ignoreScroll = false;
if (lastx1 == 0 || lasty1 == 0 || lastx2 == 0 || lasty2 == 0)
ignoreScroll = true;
lastx1 = x1;
lasty1 = y1;
lastx2 = x2;
lasty2 = y2;
if (ignoreScroll)
return;
int avgy = (delta_y1 + delta_y2) / 2;
int avgx = (delta_x1 + delta_x2) / 2;
if (abs(avgx) > 100)
avgx = 0;
if (abs(avgy) > 100)
avgx = 0;
if (avgx == 0 && avgy == 0) {
noScrollCounter++;
if (noScrollCounter < 3)
return;
}
else {
noScrollCounter = 0;
}
avgy = -avgy;
avgx = -avgx;
if (abs(avgy) > abs(avgx)) {
_pointingWrapper->updateScroll(avgy, 0, 0);
if (!isSameSign(momentumscrollcurrenty, avgy)) {
momentumscrollcurrenty = 0;
momentumscrollrest1y = 0;
momentumscrollrest2y = 0;
dy_history.reset();
}
dy_history.filter(avgy);
dx_history.reset();
} else {
_pointingWrapper->updateScroll(0, avgx, 0);
if (!isSameSign(momentumscrollcurrentx, avgx)) {
momentumscrollcurrentx = 0;
momentumscrollrest1x = 0;
momentumscrollrest2x = 0;
dx_history.reset();
}
dx_history.filter(avgx);
dy_history.reset();
}
;
isTouchActive = true;
} else {
if (isTouchActive){
if (dx_history.count() > momentumscrollsamplesmin) {
int scrollx = dx_history.sum() * 10;
if (isSameSign(momentumscrollcurrentx, scrollx))
momentumscrollcurrentx += scrollx;
else
momentumscrollcurrentx = scrollx;
momentumscrollrest1x = 0;
momentumscrollrest2x = 0;
}
if (dy_history.count() > momentumscrollsamplesmin) {
int scrolly = dy_history.sum() * 10;
if (isSameSign(momentumscrollcurrenty, scrolly))
momentumscrollcurrenty += scrolly;
else
momentumscrollcurrenty = scrolly;
momentumscrollrest1y = 0;
momentumscrollrest2y = 0;
}
dx_history.reset();
dy_history.reset();
isTouchActive = false;
}
lastx1 = 0;
lasty1 = 0;
lastx2 = 0;
lasty2 = 0;
}
}
