From 879e08438322352180ff9c8ea14c98eee66c2405 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Thu, 12 Dec 2019 20:36:23 -0800
Subject: [PATCH] Enable Qt 5.14's new fractional DPI scaling

---
 app/main.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/main.cpp b/app/main.cpp
index 4bb2b324..79bd2813 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -284,8 +284,14 @@ int main(int argc, char *argv[])
     AntiHookingDummyImport();
 #endif
 
+    // Enable High DPI support
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+    // Enable fractional High DPI scaling on Qt 5.14 and later
+    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
+
     // This avoids using the default keychain for SSL, which may cause
     // password prompts on macOS.
     qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", "1");