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ui/initApp(): remove temporary QApplication object (#32011)

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remove temporary QApplication object
This commit is contained in:
Dean Lee
2024-03-28 06:35:28 +08:00
committed by GitHub
parent fad9edf344
commit bd7b72e861
1 changed files with 10 additions and 9 deletions
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selfdrive/ui/qt/util.cc
+10 -9
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@@ -105,20 +105,21 @@ void initApp(int argc, char *argv[], bool disable_hidpi) {
std::signal(SIGINT, sigTermHandler);
std::signal(SIGTERM, sigTermHandler);
if (disable_hidpi) {
QString app_dir;
#ifdef __APPLE__
// Get the devicePixelRatio, and scale accordingly to maintain 1:1 rendering
QApplication tmp(argc, argv);
qputenv("QT_SCALE_FACTOR", QString::number(1.0 / tmp.devicePixelRatio() ).toLocal8Bit());
#endif
// Get the devicePixelRatio, and scale accordingly to maintain 1:1 rendering
QApplication tmp(argc, argv);
app_dir = QCoreApplication::applicationDirPath();
if (disable_hidpi) {
qputenv("QT_SCALE_FACTOR", QString::number(1.0 / tmp.devicePixelRatio()).toLocal8Bit());
}
#else
app_dir = QFileInfo(util::readlink("/proc/self/exe").c_str()).path();
#endif
qputenv("QT_DBL_CLICK_DIST", QByteArray::number(150));
// ensure the current dir matches the exectuable's directory
QApplication tmp(argc, argv);
QString appDir = QCoreApplication::applicationDirPath();
QDir::setCurrent(appDir);
QDir::setCurrent(app_dir);
setQtSurfaceFormat();
}