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Don't bring appearing host window to front unless any of the contained windows require initial focus

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GamingMinds-DanielC 2023-12-11 13:33:45 +01:00
parent 96b5b1724b
commit c653a1123a
1 changed files with 8 additions and 2 deletions
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10
imgui.cpp
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@ -16712,13 +16712,19 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
node->Size = host_window->Size;
// We set ImGuiWindowFlags_NoFocusOnAppearing because we don't want the host window to take full focus (e.g. steal NavWindow)
// But we still it bring it to the front of display. There's no way to choose this precise behavior via window flags.
// But we still it bring it to the front of display unless all appearing windows have ImGuiWindowFlags_NoFocusOnAppearing set. If none of the
// windows wants initial focus, the host will not be brought to the front. There's no way to choose this precise behavior via window flags.
// One simple case to ponder if: window A has a toggle to create windows B/C/D. Dock B/C/D together, clear the toggle and enable it again.
// When reappearing B/C/D will request focus and be moved to the top of the display pile, but they are not linked to the dock host window
// during the frame they appear. The dock host window would keep its old display order, and the sorting in EndFrame would move B/C/D back
// after the dock host window, losing their top-most status.
if (node->HostWindow->Appearing)
BringWindowToDisplayFront(node->HostWindow);
for (ImGuiWindow* window : node->Windows)
if (window->Appearing && !(window->Flags & ImGuiWindowFlags_NoFocusOnAppearing))
{
BringWindowToDisplayFront(node->HostWindow);
break;
}
node->AuthorityForPos = node->AuthorityForSize = node->AuthorityForViewport = ImGuiDataAuthority_Auto;
}