core/popupanchor: rework popup anchoring and add PopupAnchor

src/wayland/xdgshell.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <private/qwayland-xdg-shell.h>
+#include <qwaylandclientextension.h>
+
+namespace qs::wayland::xdg_shell {
+
+// Hack that binds xdg_wm_base twice as QtWaylandXdgShell headers are not exported anywhere.
+
+class XdgWmBase
+    : public QWaylandClientExtensionTemplate<XdgWmBase>
+    , public QtWayland::xdg_wm_base {
+public:
+	static XdgWmBase* instance();
+
+private:
+	explicit XdgWmBase();
+};
+
+} // namespace qs::wayland::xdg_shell