From a4d0b98d40d0f740742e393db774ee53302ec64c Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周五, 30 5月 2025 16:11:16 +0800
Subject: [PATCH] minor tweaks

---
 examples/mainwindow/main.cpp |   35 +++++++++++++++++------------------
 1 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/examples/mainwindow/main.cpp b/examples/mainwindow/main.cpp
index b25a7a0..7052bbb 100644
--- a/examples/mainwindow/main.cpp
+++ b/examples/mainwindow/main.cpp
@@ -1,4 +1,5 @@
-// Copyright (C) 2023-2024 Stdware Collections
+// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
+// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
 // SPDX-License-Identifier: Apache-2.0
 
 #include <QtWidgets/QApplication>
@@ -8,28 +9,26 @@
 int main(int argc, char *argv[]) {
     qputenv("QT_WIN_DEBUG_CONSOLE", "attach");
     qputenv("QSG_INFO", "1");
-#if 0
-    qputenv("QT_WIDGETS_RHI", "1");
-    qputenv("QSG_RHI_BACKEND", "d3d12");
-    qputenv("QSG_RHI_HDR", "scrgb");
-    qputenv("QT_QPA_DISABLE_REDIRECTION_SURFACE", "1");
-    
+    //qputenv("QT_WIDGETS_HIGHDPI_DOWNSCALE", "1");
+    //qputenv("QT_WIDGETS_RHI", "1");
+    //qputenv("QSG_RHI_BACKEND", "d3d12");
+    //qputenv("QSG_RHI_HDR", "scrgb");
+    //qputenv("QT_QPA_DISABLE_REDIRECTION_SURFACE", "1");
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
         Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
 #endif
-
-    QApplication a(argc, argv);
-
-#if 0 && defined(Q_OS_WINDOWS) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-    QApplication::setFont([]() {
-        QFont f("Microsoft YaHei");
-        f.setStyleStrategy(QFont::PreferAntialias);
-        f.setPixelSize(15);
-        return f;
-    }());
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #endif
+
+    QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
+    QApplication a(argc, argv);
 
     MainWindow w;
     w.show();
+
     return a.exec();
-}
\ No newline at end of file
+}

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