From ff6b58c2659bbf7b106648ef223a8f5f22ccdaa2 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Tue, 17 Dec 2019 18:43:32 +1000
Subject: [PATCH] opt in to qt's new non-integer scaling

---
 aqt/__init__.py | 3 +++
 aqt/webview.py  | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/aqt/__init__.py b/aqt/__init__.py
index e706b3d8e..e252f7413 100644
--- a/aqt/__init__.py
+++ b/aqt/__init__.py
@@ -310,6 +310,9 @@ def _run(argv=None, exec=True):
     # opt in to full hidpi support?
     if not os.environ.get("ANKI_NOHIGHDPI"):
         QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
+        os.environ["QT_ENABLE_HIGHDPI_SCALING"] = "1"
+        os.environ["QT_SCALE_FACTOR_ROUNDING_POLICY"] = "PassThrough"
+
 
     # Opt into software rendering. Useful for buggy systems.
     if os.environ.get("ANKI_SOFTWAREOPENGL"):
diff --git a/aqt/webview.py b/aqt/webview.py
index 13d7eec9a..633c867e1 100644
--- a/aqt/webview.py
+++ b/aqt/webview.py
@@ -200,7 +200,9 @@ class AnkiWebView(QWebEngineView): # type: ignore
         if isLin:
             factor = max(1, factor)
             return factor
-        # compensate for qt's integer scaling on windows
+        # compensate for qt's integer scaling on windows?
+        if qtminor >= 14:
+            return 1
         qtIntScale = self._getQtIntScale(screen)
         desiredScale = factor * qtIntScale
         newFactor = desiredScale / qtIntScale