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Support smooth scroll in ListBox

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This commit is contained in:
David Capello 2016-11-15 17:31:56 -03:00
parent 1e5ae5e9cb
commit 64af97131d
1 changed files with 7 additions and 1 deletions
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8
src/ui/listbox.cpp
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@ -199,8 +199,14 @@ bool ListBox::onProcessMessage(Message* msg)
case kMouseWheelMessage: { case kMouseWheelMessage: {
View* view = View::getView(this); View* view = View::getView(this);
if (view) { if (view) {
auto mouseMsg = static_cast<MouseMessage*>(msg);
gfx::Point scroll = view->viewScroll(); gfx::Point scroll = view->viewScroll();
scroll += static_cast<MouseMessage*>(msg)->wheelDelta() * textHeight()*3;
if (mouseMsg->preciseWheel())
scroll += mouseMsg->wheelDelta();
else
scroll += mouseMsg->wheelDelta() * textHeight()*3;
view->setViewScroll(scroll); view->setViewScroll(scroll);
} }
break; break;