forked from github_mirror/framelesshelper
42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
#include "framelesshelper.h"
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#include <QApplication>
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#include <QWidget>
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int main(int argc, char *argv[]) {
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// High DPI scaling is enabled by default from Qt 6
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#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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// Windows: we are using the manifest file to get maximum compatibility
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// because some APIs are not supprted on old systems such as Windows 7
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// and Windows 8. And once we have set the DPI awareness level in the
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// manifest file, any attemptation to try to change it through API will
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// fail. In other words, Qt won't be able to enable or disable high DPI
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// scaling or change the DPI awareness level once we have set it in the
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// manifest file. So the following two lines are uesless actually (However,
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// they are still useful on other platforms).
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QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
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#endif
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
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#if 0
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QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::Round);
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#else
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// Don't round the scale factor.
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// This will break QWidget applications because they can't render correctly.
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// Qt Quick applications won't have this issue.
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QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
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#endif
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#endif
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QApplication application(argc, argv);
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FramelessHelper helper;
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QWidget widget;
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helper.removeWindowFrame(&widget);
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widget.show();
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return QApplication::exec();
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}
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