bool ZLTextSelectionModel::extendTo(int x, int y) {
if (!myIsActive || myView.myTextElementMap.empty()) {
return false;
}
Range oldRange = internalRange();
setBound(mySecondBound, x, y);
Range newRange = internalRange();
myStoredX = x;
myStoredY = y;
if (!mySecondBound.Before.Exists) {
startSelectionScrolling(false);
} else if (!mySecondBound.After.Exists) {
startSelectionScrolling(true);
} else {
stopSelectionScrolling();
}
if ((oldRange.first != newRange.first) || (oldRange.second != newRange.second)) {
myTextIsUpToDate = false;
clearData();
myRangeVectorIsUpToDate = false;
myRanges.clear();
return true;
}
return false;
}
bool ZLTextView::onStylusMovePressed(int x, int y) {
switch (myTextAreaController.area().selectionModel().extendTo(textArea().realX(x), y)) {
case ZLTextSelectionModel::BOUND_NOT_CHANGED:
stopSelectionScrolling();
break;
case ZLTextSelectionModel::BOUND_CHANGED:
stopSelectionScrolling();
ZLApplication::Instance().refreshWindow();
break;
case ZLTextSelectionModel::BOUND_OVER_BEFORE:
startSelectionScrolling(false);
ZLApplication::Instance().refreshWindow();
break;
case ZLTextSelectionModel::BOUND_OVER_AFTER:
startSelectionScrolling(true);
ZLApplication::Instance().refreshWindow();
break;
}
return true;
}
