Make drag and drop into viewport add to root node by default

When dragging and dropping a texture, mesh, or scene from the FileSystem into the
2D or 3D viewport, it will be added as a child of the current scene's root node.

1 files changed, 16 insertions, 12 deletions

diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index ebd6615ac1..a278b5a37f 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -4066,6 +4066,7 @@ void Node3DEditorViewport::drop_data_fw(const Point2 &p_point, const Variant &p_
 	}
 
 	bool is_shift = Input::get_singleton()->is_key_pressed(KEY_SHIFT);
+	bool is_ctrl = Input::get_singleton()->is_key_pressed(KEY_CTRL);
 
 	selected_files.clear();
 	Dictionary d = p_data;
@@ -4073,29 +4074,32 @@ void Node3DEditorViewport::drop_data_fw(const Point2 &p_point, const Variant &p_
 		selected_files = d["files"];
 	}
 
-	List<Node *> list = editor->get_editor_selection()->get_selected_node_list();
-	if (list.size() == 0) {
-		Node *root_node = editor->get_edited_scene();
+	List<Node *> selected_nodes = editor->get_editor_selection()->get_selected_node_list();
+	Node *root_node = editor->get_edited_scene();
+	if (selected_nodes.size() == 1) {
+		Node *selected_node = selected_nodes[0];
+		target_node = root_node;
+		if (is_ctrl) {
+			target_node = selected_node;
+		} else if (is_shift && selected_node != root_node) {
+			target_node = selected_node->get_parent();
+		}
+	} else if (selected_nodes.size() == 0) {
 		if (root_node) {
-			list.push_back(root_node);
+			target_node = root_node;
 		} else {
-			accept->set_text(TTR("No parent to instance a child at."));
+			accept->set_text(TTR("Cannot drag and drop into scene with no root node."));
 			accept->popup_centered();
 			_remove_preview();
 			return;
 		}
-	}
-	if (list.size() != 1) {
-		accept->set_text(TTR("This operation requires a single selected node."));
+	} else {
+		accept->set_text(TTR("Cannot drag and drop into multiple selected nodes."));
 		accept->popup_centered();
 		_remove_preview();
 		return;
 	}
 
-	target_node = list[0];
-	if (is_shift && target_node != editor->get_edited_scene()) {
-		target_node = target_node->get_parent();
-	}
 	drop_pos = p_point;
 
 	_perform_drop_data();