Use qEnvironmentVariableIsEmpty

Instead of qgetenv("QT_AUTO_SCREEN_SCALE_FACTOR").isEmpty(). It's faster (don't allocate memory) and don't throw exceptions.
7 years ago · 2114817890
1 changed files with 1 additions and 1 deletions
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@ -338,7 +338,7 @@ void showSplashScreen()
 #if defined(Q_OS_UNIX)
 void setupDpi()
 {
-    if (qgetenv("QT_AUTO_SCREEN_SCALE_FACTOR").isEmpty())
+    if (qEnvironmentVariableIsEmpty("QT_AUTO_SCREEN_SCALE_FACTOR"))
        qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "1");
 }
 #endif  // Q_OS_UNIX