bool StGLRootWidget::doScroll(const StScrollEvent& theEvent) {
const StPointD_t aCursorBack = cursorZo;
cursorZo = StPointD_t(theEvent.PointX, theEvent.PointY);
const bool aResult = StGLWidget::doScroll(theEvent);
clearDestroyList();
cursorZo = aCursorBack;
return aResult;
}
bool StGLRootWidget::tryClick(const StClickEvent& theEvent,
bool& theIsItemClicked) {
const StPointD_t aCursorBack = cursorZo;
cursorZo = StPointD_t(theEvent.PointX, theEvent.PointY);
if(isPointIn(cursorZo)) {
setClicked(theEvent.Button, true);
}
const bool aResult = StGLWidget::tryClick(theEvent, theIsItemClicked);
cursorZo = aCursorBack;
return aResult;
}
bool StGLScrollArea::tryClick(const StClickEvent& theEvent,
bool& theIsItemClicked) {
if(!isVisibleAndPointIn(StPointD_t(theEvent.PointX, theEvent.PointY))) {
return false;
}
if( theEvent.Button == ST_MOUSE_LEFT
&& !theIsItemClicked
&& isScrollable()) {
myIsLeftClick = true;
myHasDragged = false;
myClickPntZo = StPointD_t(theEvent.PointX, theEvent.PointY);
myDragYCumul = 0;
// abort flinging
if(myFlingTimer.isOn()) {
const double aTime = myFlingTimer.getElapsedTime();
const double anA = (myFlingYSpeed > 0.0 ? -1.0 : 1.0) * myFlingAccel;
const double aSpeed = myFlingYSpeed + anA * aTime;
if(std::abs(aSpeed) > myRoot->scale(300)) {
setClickedWithChildren(myChildren, ST_MOUSE_LEFT, false);
theIsItemClicked = true;
return true;
}
}
} else {
myIsLeftClick = false;
myHasDragged = false;
}
if(StGLWidget::tryClick(theEvent, theIsItemClicked)) {
theIsItemClicked = true;
return true;
}
return false;
}
StPointD_t StGLWidget::getPointIn(const StPointD_t& thePointZo) const {
const StRectD_t aRectGl = getRectGl();
StPointD_t aPointGl = getPointGl(thePointZo);
return StPointD_t((aPointGl.x() - aRectGl.left()) / (aRectGl.right() - aRectGl.left()),
(aRectGl.top() - aPointGl.y()) / (aRectGl.top() - aRectGl.bottom()));
}
StPointD_t StGLWidget::getPointGl(const StPointD_t& thePointZo) const {
double oglWidth = myRoot->getRootRectGl().right() - myRoot->getRootRectGl().left();
double oglHeight = myRoot->getRootRectGl().top() - myRoot->getRootRectGl().bottom();
return StPointD_t((thePointZo.x() - 0.5) * oglWidth,
(0.5 - thePointZo.y()) * oglHeight);
}
