Client: Generate method to expose used version of a given proxy

Relying on the compositor version only works for the core protocols.
Using the version of our relevant object is more extensible and relies
on less caching.

Pick-to: 6.1
Change-Id: I1044e43a1e24a25359db95988c9956f4f1b5d35f
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

1 files changed, 0 insertions, 2 deletions

diff --git a/src/client/qwaylanddisplay_p.h b/src/client/qwaylanddisplay_p.h
index e5cdbee9a..38bc35ff1 100644
--- a/src/client/qwaylanddisplay_p.h
+++ b/src/client/qwaylanddisplay_p.h
@@ -158,7 +158,6 @@ public:
 
     const struct wl_compositor *wl_compositor() const { return mCompositor.object(); }
     QtWayland::wl_compositor *compositor() { return &mCompositor; }
-    int compositorVersion() const { return mCompositorVersion; }
 
     QList<QWaylandInputDevice *> inputDevices() const { return mInputDevices; }
     QWaylandInputDevice *defaultInputDevice() const;
@@ -287,7 +286,6 @@ private:
     int mFd = -1;
     int mWritableNotificationFd = -1;
     QList<RegistryGlobal> mGlobals;
-    int mCompositorVersion = -1;
     uint32_t mLastInputSerial = 0;
     QWaylandInputDevice *mLastInputDevice = nullptr;
     QPointer<QWaylandWindow> mLastInputWindow;