From 0699878b920f72fe5306171a32f8dcf6fe9c39ac Mon Sep 17 00:00:00 2001
From: Kevin Yue <yuezk001@gmail.com>
Date: Sat, 14 May 2022 19:12:07 +0800
Subject: [PATCH] fix: support the HighDPI displays

Refs: #115
---
 GPClient/main.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/GPClient/main.cpp b/GPClient/main.cpp
index 5e87ddc..68eeb84 100644
--- a/GPClient/main.cpp
+++ b/GPClient/main.cpp
@@ -15,6 +15,8 @@
 #include "sigwatch.h"
 #include "version.h"
 
+#define QT_AUTO_SCREEN_SCALE_FACTOR "QT_AUTO_SCREEN_SCALE_FACTOR"
+
 int main(int argc, char *argv[])
 {
     plog::ColorConsoleAppender<plog::TxtFormatter> consoleAppender(plog::streamStdErr);
@@ -23,11 +25,16 @@ int main(int argc, char *argv[])
     PLOGI << "GlobalProtect started, version: " << VERSION;
 
     QString port = QString::fromLocal8Bit(qgetenv(ENV_CDP_PORT));
+    QString hidpiSupport = QString::fromLocal8Bit(qgetenv(QT_AUTO_SCREEN_SCALE_FACTOR));
 
-    if (port == "") {
+    if (port.isEmpty()) {
         qputenv(ENV_CDP_PORT, "12315");
     }
 
+    if (hidpiSupport.isEmpty()) {
+        qputenv(QT_AUTO_SCREEN_SCALE_FACTOR, "true");
+    }
+
     SingleApplication app(argc, argv);
     app.setQuitOnLastWindowClosed(false);