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Backends: Win32: fixed an issue from 1.90.5 where newly appearing windows that are not parented to the main viewport don't have task bar icon appear before the windows was explicited refocused. (#7354, #8669)

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ocornut
2026-01-16 18:43:02 +01:00
parent c389a9528f
commit f89ef40cb2
2 changed files with 9 additions and 4 deletions
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10
backends/imgui_impl_win32.cpp
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@@ -23,6 +23,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2026-01-26: [Docking] Fixed an issue from 1.90.5 where newly appearing windows that are not parented to the main viewport don't have task bar icon appear before the windows was explicited refocused. (#7354, #8669)
// 2025-12-03: Inputs: handle WM_IME_CHAR/WM_IME_COMPOSITION messages to support Unicode inputs on MBCS (non-Unicode) Windows. (#9099, #3653, #5961)
// 2025-10-19: Inputs: Revert previous change to allow for io.ClearInputKeys() on focus-out not losing gamepad state.
// 2025-09-23: Inputs: Minor optimization not submitting gamepad input if packet number has not changed.
@@ -1194,9 +1195,10 @@ static void ImGui_ImplWin32_ShowWindow(ImGuiViewport* viewport)
ImGui_ImplWin32_ViewportData* vd = (ImGui_ImplWin32_ViewportData*)viewport->PlatformUserData;
IM_ASSERT(vd->Hwnd != 0);
// ShowParent() also brings parent to front, which is not always desirable,
// so we temporarily disable parenting. (#7354)
if (vd->HwndParent != NULL)
// ShowParent() even with SW_SHOWNA also brings parent to front, which is not always desirable,
// so we temporarily disable parenting. (#7354, #8669)
bool avoid_bringing_parent_to_front = vd->HwndParent != NULL && (viewport->Flags & (ImGuiViewportFlags_NoFocusOnAppearing | ImGuiViewportFlags_NoTaskBarIcon)) != 0;
if (avoid_bringing_parent_to_front)
::SetWindowLongPtr(vd->Hwnd, GWLP_HWNDPARENT, (LONG_PTR)nullptr);
if (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing)
@@ -1205,7 +1207,7 @@ static void ImGui_ImplWin32_ShowWindow(ImGuiViewport* viewport)
::ShowWindow(vd->Hwnd, SW_SHOW);
// Restore
if (vd->HwndParent != NULL)
if (avoid_bringing_parent_to_front)
::SetWindowLongPtr(vd->Hwnd, GWLP_HWNDPARENT, (LONG_PTR)vd->HwndParent);
}

3
docs/CHANGELOG.txt
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@@ -223,6 +223,9 @@ Docking+Viewports Branch:
- SDL2, SDL3: adjust IME offset to match other backends and master branch. (#6071, #1953)
- Win32: viewports created by backend forcefully direct messages to
DefWindowProcW() in order to support Unicode text input. (#9099, #3653, #5961) [@ulhc]
- Win32: fixed an issue from 1.90.5 where newly appearing windows that are not parented
to the main viewport didn't have their task bar icon appear before the window was
explicitely refocused. (#7354, #8669)
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