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Viewports: Made it possible to explicitly assign ImGuiWindowClass::ParentViewportId to 0. (#3152, #2871)

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ocornut 2021-11-16 01:02:25 +01:00
parent dc8c3618e8
commit 2080d12bd9
3 changed files with 6 additions and 3 deletions
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imgui.cpp
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@ -12457,7 +12457,7 @@ void ImGui::WindowSyncOwnedViewport(ImGuiWindow* window, ImGuiWindow* parent_win
// Update parent viewport ID
// (the !IsFallbackWindow test mimic the one done in WindowSelectViewport())
if (window->WindowClass.ParentViewportId)
if (window->WindowClass.ParentViewportId != (ImGuiID)-1)
window->Viewport->ParentViewportId = window->WindowClass.ParentViewportId;
else if ((window_flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) && parent_window_in_stack && (!parent_window_in_stack->IsFallbackWindow || parent_window_in_stack->WasActive))
window->Viewport->ParentViewportId = parent_window_in_stack->Viewport->ID;