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Enable Qt 5.14's new fractional DPI scaling

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Cameron Gutman 2019-12-12 20:36:23 -08:00
commit 879e084383
1 changed files with 6 additions and 0 deletions
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app/main.cpp
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@ -284,8 +284,14 @@ int main(int argc, char *argv[])
AntiHookingDummyImport(); AntiHookingDummyImport();
#endif #endif
// Enable High DPI support
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling); 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 // This avoids using the default keychain for SSL, which may cause
// password prompts on macOS. // password prompts on macOS.
qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", "1"); qputenv("QT_SSL_USE_TEMPORARY_KEYCHAIN", "1");