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LibGUI: Let GModel specify the drag data type

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GModel subclasses can now override drag_data_type() to specify which type
GAbstractView should set for drag data. The default implementation returns a
null string, which disables dragging from this widget.
This commit is contained in:
Sergey Bugaev 2020-01-22 21:15:46 +03:00 • committed by Andreas Kling
parent d3ce7ae0e3
commit dec95cb8b3
5 changed files with 14 additions and 2 deletions
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Libraries/LibGUI/GModel.h
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@ -94,6 +94,8 @@ public:
virtual GSortOrder sort_order() const { return GSortOrder::None; }
virtual void set_key_column_and_sort_order(int, GSortOrder) {}
virtual StringView drag_data_type() const { return {}; }
void register_view(Badge<GAbstractView>, GAbstractView&);
void unregister_view(Badge<GAbstractView>, GAbstractView&);