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Qt: Disable AA_DontCreateNativeWidgetSiblings hack on KDE

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Seems this is no longer needed... but it still breaks on GNOME,
because of course...

Almost at the point of just forcing XWayland on everything except KDE.
This commit is contained in:
Stenzek
2025-11-30 21:51:06 +10:00
parent 843558a16c
commit df75127fc8
1 changed files with 11 additions and 12 deletions
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23
src/duckstation-qt/qthost.cpp
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@@ -329,26 +329,25 @@ void QtHost::ApplyWaylandWorkarounds()
return;
}
std::fputs("Wayland platform detected, applying workarounds.\n", stderr);
// On Wayland, turning any window into a native window causes DPI scaling to break, as well as window
// updates, creating a complete mess of a window. Setting this attribute isn't ideal, since you'd think
// that setting WA_DontCreateNativeAncestors on the widget would be sufficient, but apparently not.
QGuiApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings, true);
// When rendering fullscreen or to a separate window on Wayland, because we take over the surface we need
// to wrap the widget in a container because GNOME is stupid and refuses to ever support server-side
// decorations. There's no sign of this ever changing. Fuck Wayland.
if (const char* desktop = std::getenv("XDG_SESSION_DESKTOP"); desktop && std::strcmp(desktop, "KDE") == 0)
{
std::fputs("Wayland with KDE detected, not creating display widget containers.\n", stderr);
std::fputs("Wayland with KDE detected, not applying Wayland workarounds.\n", stderr);
}
else
{
std::fputs("Wayland with non-KDE desktop detected, creating display widget containers.\n"
std::fputs("Wayland with non-KDE desktop detected, applying Wayland workarounds.\n"
"Don't complain when things break.\n",
stderr);
// When rendering fullscreen or to a separate window on Wayland, because we take over the surface we need
// to wrap the widget in a container because GNOME is stupid and refuses to ever support server-side
// decorations. There's no sign of this ever changing. Fuck Wayland.
s_state.display_container_needed = true;
// On Wayland, turning any window into a native window causes DPI scaling to break, as well as window
// updates, creating a complete mess of a window. Setting this attribute isn't ideal, since you'd think
// that setting WA_DontCreateNativeAncestors on the widget would be sufficient, but apparently not.
QGuiApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings, true);
}
}