surface: avoid spam of window surfaces with scale and transform events

fixes #4408

1 files changed, 17 insertions, 0 deletions

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 62903cf9..cbdcd6b8 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -2797,10 +2797,27 @@ void CCompositor::leaveUnsafeState() {
 void CCompositor::setPreferredScaleForSurface(wlr_surface* pSurface, double scale) {
     g_pProtocolManager->m_pFractionalScaleProtocolManager->setPreferredScaleForSurface(pSurface, scale);
     wlr_surface_set_preferred_buffer_scale(pSurface, static_cast<int32_t>(std::ceil(scale)));
+
+    const auto PSURFACE = CWLSurface::surfaceFromWlr(pSurface);
+    if (!PSURFACE) {
+        Debug::log(WARN, "Orphaned wlr_surface {:x} in setPreferredScaleForSurface", (uintptr_t)pSurface);
+        return;
+    }
+
+    PSURFACE->m_fLastScale = scale;
+    PSURFACE->m_iLastScale = static_cast<int32_t>(std::ceil(scale));
 }
 
 void CCompositor::setPreferredTransformForSurface(wlr_surface* pSurface, wl_output_transform transform) {
     wlr_surface_set_preferred_buffer_transform(pSurface, transform);
+
+    const auto PSURFACE = CWLSurface::surfaceFromWlr(pSurface);
+    if (!PSURFACE) {
+        Debug::log(WARN, "Orphaned wlr_surface {:x} in setPreferredTransformForSurface", (uintptr_t)pSurface);
+        return;
+    }
+
+    PSURFACE->m_eLastTransform = transform;
 }
 
 void CCompositor::updateSuspendedStates() {