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LibGUI: Prevent multiple drag initiations while drag messages are passed

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AnotherTest 2020-11-08 05:25:40 +03:30 • committed by Andreas Kling
parent e99c2261e3
commit a2cfb7eb94
2 changed files with 9 additions and 0 deletions
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8
Libraries/LibGUI/AbstractView.cpp
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@ -288,6 +288,14 @@ void AbstractView::mousemove_event(MouseEvent& event)
ASSERT(!data_type.is_null());
if (m_is_dragging)
return;
// An event might sneak in between us constructing the drag operation and the
// event loop exec at the end of `drag_operation->exec()' if the user is fast enough.
// Prevent this by just ignoring later drag initiations (until the current drag operation ends).
TemporaryChange dragging { m_is_dragging, true };
dbg() << "Initiate drag!";
auto drag_operation = DragOperation::construct();