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X11: Fix window made non-floating by being hidden

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The previous implementation was based on the incorrect assumption that
the _NET_WM_STATE_ABOVE state is always retained on unmapped windows.
According to EWMH the WM should remove the _NET_WM_STATE property when
a window is unmapped.

This commit moves the adding of _NET_WM_STATE_ABOVE to before mapping
the window during glfwShowWindow.  The logic for removing
_NET_WM_STATE_ABOVE from hidden windows is retained, as EWMH still
allows WMs to leave the window property on unmapped window.

Fixes #2276
This commit is contained in:
Camilla Löwy
2026-01-12 18:29:52 +01:00
parent dbadda2683
commit a228a8b447
2 changed files with 38 additions and 20 deletions
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@@ -153,6 +153,7 @@ information on what to include when reporting a bug.
- [X11] Bugfix: Prevent BadWindow when creating small windows with a content scale
less than 1 (#2754)
- [X11] Bugfix: Clamp width and height to >= 1 to prevent BadValue error and app exit
- [X11] Bugfix: Floating windows silently became non-floating when hidden (#2276)
- [Linux] Bugfix: The header for `ioctl` was only implicitly included (#2778)
- [Null] Added Vulkan 'window' surface creation via `VK_EXT_headless_surface`
- [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`