From 6e7ca44dee53cc7f972f84b93dedf7aa8ac6e56a Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Thu, 13 Feb 2020 21:45:46 +0100
Subject: [PATCH] LibGUI: Add GUI::Model::accepts_drag(index, data_type)

This allows a model to indicate whether it would accept a drag with a
given data type being dropped on a given index.
---
 Libraries/LibGUI/Model.cpp | 5 +++++
 Libraries/LibGUI/Model.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/Libraries/LibGUI/Model.cpp b/Libraries/LibGUI/Model.cpp
index 219555587a..ff1ae8f730 100644
--- a/Libraries/LibGUI/Model.cpp
+++ b/Libraries/LibGUI/Model.cpp
@@ -77,4 +77,9 @@ ModelIndex Model::sibling(int row, int column, const ModelIndex& parent) const
     return index(row, column, parent);
 }
 
+bool Model::accepts_drag(const ModelIndex&, const StringView&)
+{
+    return false;
+}
+
 }
diff --git a/Libraries/LibGUI/Model.h b/Libraries/LibGUI/Model.h
index 5195abfd70..d70df1dd86 100644
--- a/Libraries/LibGUI/Model.h
+++ b/Libraries/LibGUI/Model.h
@@ -88,6 +88,7 @@ public:
     virtual bool is_editable(const ModelIndex&) const { return false; }
     virtual void set_data(const ModelIndex&, const Variant&) {}
     virtual int tree_column() const { return 0; }
+    virtual bool accepts_drag(const ModelIndex&, const StringView& data_type);
 
     bool is_valid(const ModelIndex& index) const
     {