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Nav: fix crash when NavCalcPreferredRefPos() hit non Mouse case with a null NavWindow (docking branch only).

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Amend f6890ed00.
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ocornut
2025-09-18 15:22:42 +02:00
parent 62275e877a
commit 03f3c8d385
1 changed files with 4 additions and 2 deletions
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6
imgui.cpp
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@@ -14149,8 +14149,10 @@ static ImVec2 ImGui::NavCalcPreferredRefPos()
ref_rect.Translate(window->Scroll - next_scroll);
}
ImVec2 pos = ImVec2(ref_rect.Min.x + ImMin(g.Style.FramePadding.x * 4, ref_rect.GetWidth()), ref_rect.Max.y - ImMin(g.Style.FramePadding.y, ref_rect.GetHeight()));
ImGuiViewport* viewport = window->Viewport;
return ImTrunc(ImClamp(pos, viewport->Pos, viewport->Pos + viewport->Size)); // ImTrunc() is important because non-integer mouse position application in backend might be lossy and result in undesirable non-zero delta.
if (window != NULL)
if (ImGuiViewport* viewport = window->Viewport)
pos = ImClamp(pos, viewport->Pos, viewport->Pos + viewport->Size);
return ImTrunc(pos); // ImTrunc() is important because non-integer mouse position application in backend might be lossy and result in undesirable non-zero delta.
}
}