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This commit is contained in:
John Preston
2017-11-10 21:15:37 +04:00
parent 8ff0120642
commit dd3ae22e08
5 changed files with 282 additions and 3 deletions
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10
Telegram/SourceFiles/ui/widgets/scroll_area.cpp
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@@ -689,6 +689,16 @@ void ScrollArea::scrollTo(ScrollToRequest request) {
scrollToY(request.ymin, request.ymax);
}
void ScrollArea::scrollToWidget(not_null<QWidget*> widget) {
if (auto local = this->widget()) {
auto globalPosition = widget->mapToGlobal(QPoint(0, 0));
auto localPosition = local->mapFromGlobal(globalPosition);
auto localTop = localPosition.y();
auto localBottom = localTop + widget->height();
scrollToY(localTop, localBottom);
}
}
void ScrollArea::scrollToY(int toTop, int toBottom) {
myEnsureResized(widget());
myEnsureResized(this);