void CLREnvelopeEditorCtrl::recalcVerticalRange(void)
{
float fMin,fMax;
float fTmpVal=0.0f;
long lI;
long lNumKeys=m_pEnvelope->getNumKeys();
fMin=fMax=0.0f;
try {
for(lI=0;lI<lNumKeys;lI++) {
fTmpVal=m_pEnvelope->getKeyValueAtIndex(lI);
if(fTmpVal>fMax) {
fMax=fTmpVal;
}
if(fTmpVal<fMin) {
fMin=fTmpVal;
}
}
}
catch(LR::Exception &e) {
AfxMessageBox(e.getDescription());
return;
}
if(fMin!=fMax) {
float fVerticalExtent=(float)fabs(fMax-fMin);
fMin-=0.2f*fVerticalExtent;
fMax+=0.2f*fVerticalExtent;
setVerticalRange(fMin,fMax);
}
}
bool ScrollPanner::event(QEvent *e)
{
if (e->type() == QEvent::Paint)
{
if (m_sliderX && m_sliderX->pageStep() != m_viewSize.width())
{
setHorizontalRange(m_sliderX->minimum(), m_sliderX->maximum());
setHorizontalViewSize(m_sliderX->pageStep());
setHorizontalValue(m_sliderX->value());
}
if (m_sliderY && m_sliderY->pageStep() != m_viewSize.height())
{
setVerticalRange(m_sliderY->minimum(), m_sliderY->maximum());
setVerticalViewSize(m_sliderY->pageStep());
setVerticalValue(m_sliderY->value());
}
}
return QWidget::event(e);
}