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LibGUI: Add GUI::Model::accepts_drag(index, data_type)

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This allows a model to indicate whether it would accept a drag with a
given data type being dropped on a given index.
This commit is contained in:
Andreas Kling 2020-02-13 21:45:46 +01:00
parent 3ce80bec97
commit 6e7ca44dee
2 changed files with 6 additions and 0 deletions
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5
Libraries/LibGUI/Model.cpp
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@ -77,4 +77,9 @@ ModelIndex Model::sibling(int row, int column, const ModelIndex& parent) const
return index(row, column, parent); return index(row, column, parent);
} }
bool Model::accepts_drag(const ModelIndex&, const StringView&)
{
return false;
}
} }

1
Libraries/LibGUI/Model.h
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@ -88,6 +88,7 @@ public:
virtual bool is_editable(const ModelIndex&) const { return false; } virtual bool is_editable(const ModelIndex&) const { return false; }
virtual void set_data(const ModelIndex&, const Variant&) {} virtual void set_data(const ModelIndex&, const Variant&) {}
virtual int tree_column() const { return 0; } virtual int tree_column() const { return 0; }
virtual bool accepts_drag(const ModelIndex&, const StringView& data_type);
bool is_valid(const ModelIndex& index) const bool is_valid(const ModelIndex& index) const
{ {