void LineItem::updateChildGeometry(const QRectF &oldParentRect, const QRectF &newParentRect) {
// parent has been resized: update the line's dimensions:
// we would like to have lines in terms of relative endpoint locations,
// but instead they are in terms of length (relative to parent width)
// and angle, relative to the parent.
qreal theta = rotationAngle()*M_PI/180.0;
qreal oldL = relativeWidth()*oldParentRect.width();
// we want to keep the endpoints fixed relative to the parent, so
// we need to calculate new lengths and angles.
qreal newDx = cos(theta)*oldL*newParentRect.width()/oldParentRect.width();
qreal newDy = sin(theta)*oldL*newParentRect.height()/oldParentRect.height();
qreal newWidth = sqrt(newDx*newDx + newDy*newDy);
QTransform transform;
transform.rotate(atan2(newDy, newDx)*180.0/M_PI);
// my brain hurts less for rotations when we center the object at 0,0
QRectF itemRect(-newWidth*0.5, -rect().height()*0.5,
newWidth, rect().height());
// we don't now what the parents's origin is, so, add .x() and .y()
setPos(relativeCenter().x() * newParentRect.width() + newParentRect.x(),
relativeCenter().y() * newParentRect.height()+ newParentRect.y());
setViewRect(itemRect, true);
setTransform(transform);
setRelativeWidth(newWidth / newParentRect.width());
}
void CMainFrame::OnSize(UINT nType, int cx, int cy) {
__super::OnSize(nType, cx, cy);
if(IsIconic()) {
return;
}
TextView *view1 = getActiveTextView();
TextView *view2 = view1 ? view1->getPartner() : NULL;
if(view1) view1->savePositionState();
if(view2) view2->savePositionState();
if(m_wndSplitter.IsWindowVisible()) {
m_wndSplitter.SetScrollStyle(0);
setRelativeWidth(cx);
m_wndSplitter.SetScrollStyle(0);
m_wndSplitter.RecalcLayout();
// m_wndSplitter.GetPane(0,0)->ShowScrollBar(SB_BOTH,FALSE);
// m_wndSplitter.GetPane(0,0)->ShowScrollBar(SB_BOTH,FALSE);
getOptions().m_windowSize = getWindowSize(this);
}
}
