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LibGUI: Return early if drag_data_type is null (#3919)

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If the user tries to drag an item with a null drag data type from an
AbstractView, return from the mouse event early.
This commit is contained in:
Joseph
2020-11-02 21:26:38 +00:00
committed by GitHub
parent 5ed7ca3627
commit 9efcb5d290
1 changed files with 4 additions and 1 deletions
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5
Libraries/LibGUI/AbstractView.cpp
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@@ -265,6 +265,10 @@ void AbstractView::mousemove_event(MouseEvent& event)
auto hovered_index = index_at_event_position(event.position());
set_hovered_index(hovered_index);
auto data_type = m_model->drag_data_type();
if (data_type.is_null())
return ScrollableWidget::mousemove_event(event);
if (!m_might_drag)
return ScrollableWidget::mousemove_event(event);
@@ -280,7 +284,6 @@ void AbstractView::mousemove_event(MouseEvent& event)
if (distance_travelled_squared <= drag_distance_threshold)
return ScrollableWidget::mousemove_event(event);
auto data_type = m_model->drag_data_type();
ASSERT(!data_type.is_null());
dbg() << "Initiate drag!";