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Error Handling: Recovery from missing EndMenuBar() call. (#1651)

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ocornut 2025-01-30 14:30:14 +01:00
parent c0308da665
commit fa178f4235
3 changed files with 11 additions and 4 deletions
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9
imgui_widgets.cpp
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@ -8657,6 +8657,10 @@ void ImGui::EndMenuBar()
return;
ImGuiContext& g = *GImGui;
IM_MSVC_WARNING_SUPPRESS(6011); // Static Analysis false positive "warning C6011: Dereferencing NULL pointer 'window'"
IM_ASSERT(window->Flags & ImGuiWindowFlags_MenuBar);
IM_ASSERT(window->DC.MenuBarAppending);
// Nav: When a move request within one of our child menu failed, capture the request to navigate among our siblings.
if (NavMoveRequestButNoResultYet() && (g.NavMoveDir == ImGuiDir_Left || g.NavMoveDir == ImGuiDir_Right) && (g.NavWindow->Flags & ImGuiWindowFlags_ChildMenu))
{
@ -8683,9 +8687,6 @@ void ImGui::EndMenuBar()
}
}
IM_MSVC_WARNING_SUPPRESS(6011); // Static Analysis false positive "warning C6011: Dereferencing NULL pointer 'window'"
IM_ASSERT(window->Flags & ImGuiWindowFlags_MenuBar);
IM_ASSERT(window->DC.MenuBarAppending);
PopClipRect();
PopID();
window->DC.MenuBarOffset.x = window->DC.CursorPos.x - window->Pos.x; // Save horizontal position so next append can reuse it. This is kinda equivalent to a per-layer CursorPos.
@ -8764,11 +8765,11 @@ bool ImGui::BeginMainMenuBar()
void ImGui::EndMainMenuBar()
{
ImGuiContext& g = *GImGui;
EndMenuBar();
// When the user has left the menu layer (typically: closed menus through activation of an item), we restore focus to the previous window
// FIXME: With this strategy we won't be able to restore a NULL focus.
ImGuiContext& g = *GImGui;
if (g.CurrentWindow == g.NavWindow && g.NavLayer == ImGuiNavLayer_Main && !g.NavAnyRequest && g.ActiveId == 0)
FocusTopMostWindowUnderOne(g.NavWindow, NULL, NULL, ImGuiFocusRequestFlags_UnlessBelowModal | ImGuiFocusRequestFlags_RestoreFocusedChild);