Docking: Fixed double-overlay when dragging window over one of the (four cardinal) outer drop boxes. (#2109)

6 years ago · 66cfbbff5e
parent d23c69d319
commit 66cfbbff5e
1 changed files with 2 additions and 0 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -12354,6 +12354,8 @@ void ImGui::BeginAsDockableDragDropTarget(ImGuiWindow* window)
                    if (DockNodePreviewDockCalc(window, root_node, payload_window, &split_outer, is_explicit_target, true))
                        split_data = &split_outer;
            DockNodePreviewDockCalc(window, target_node, payload_window, &split_inner, is_explicit_target, false);
+            if (split_data == &split_outer)
+                split_inner.IsDropAllowed = false;

            // Draw inner then outer, so that previewed tab (in inner data) will be behind the outer drop boxes
            DockNodePreviewDockRender(window, target_node, payload_window, &split_inner);