Prevent Qt warning about setting dpi awareness (#320)

Co-authored-by: Korijn van Golen <[email protected]>

Author: almarklein

wgpu/gui/qt.py

@@ -98,10 +98,16 @@
 
 def enable_hidpi():
     """Enable high-res displays."""
+    try:
+        set_dpi_aware = QtCore.__version_info__ < (6, 4)
+    except Exception:
+        set_dpi_aware = True
     try:
         # See https://github.com/pyzo/pyzo/pull/700 why we seem to need both
-        ctypes.windll.shcore.SetProcessDpiAwareness(1)  # global dpi aware
-        ctypes.windll.shcore.SetProcessDpiAwareness(2)  # per-monitor dpi aware
+        # See https://github.com/pygfx/pygfx/issues/368 for high Qt versions
+        if set_dpi_aware:
+            ctypes.windll.shcore.SetProcessDpiAwareness(1)  # global dpi aware
+            ctypes.windll.shcore.SetProcessDpiAwareness(2)  # per-monitor dpi aware
     except Exception:
         pass  # fail on non-windows
     try: