Viewport: Avoid creating viewport on drag (fix cc882b0723)

7 years ago · 7b433605f9
parent 3b9b1956cd
commit 7b433605f9
1 changed files with 2 additions and 1 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -6229,7 +6229,8 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
    }
    else if (!window->ViewportOwned && g.MovingWindow && g.MovingWindow->RootWindow == window && IsMousePosValid())
    {
-        window->Viewport = AddUpdateViewport(window, window->ID, window->Pos, window->Size, ImGuiViewportFlags_NoDecoration | ImGuiViewportFlags_NoFocusOnAppearing | ImGuiViewportFlags_NoInputs);
+        if (!window->Viewport->GetRect().Contains(window->Rect()))
+            window->Viewport = AddUpdateViewport(window, window->ID, window->Pos, window->Size, ImGuiViewportFlags_NoDecoration | ImGuiViewportFlags_NoFocusOnAppearing | ImGuiViewportFlags_NoInputs);
    }
    else if (!window->ViewportOwned && GetWindowAlwaysWantOwnViewport(window))
    {