forked from github_mirror/framelesshelper
95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
/*
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* MIT License
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*
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* Copyright (C) 2020 by wangwenx190 (Yuhang Zhao)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "../../framelessquickhelper.h"
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#include <QGuiApplication>
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#include <QQmlApplicationEngine>
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#include <QQmlProperty>
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#ifdef Q_OS_WINDOWS
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#include <QOperatingSystemVersion>
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#endif
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static inline bool shouldHaveWindowFrame()
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{
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#ifdef Q_OS_WINDOWS
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return QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows10;
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#else
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return false;
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#endif
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}
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int main(int argc, char *argv[])
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{
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QCoreApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
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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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#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
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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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QGuiApplication application(argc, argv);
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QQmlApplicationEngine engine;
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qmlRegisterType<FramelessQuickHelper>("wangwenx190.Utils", 1, 0, "FramelessHelper");
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const QUrl mainQmlUrl(QString::fromUtf8("qrc:///qml/main.qml"));
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const QMetaObject::Connection connection = QObject::connect(
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&engine,
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&QQmlApplicationEngine::objectCreated,
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&application,
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[&mainQmlUrl, &connection](QObject *object, const QUrl &url) {
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if (url != mainQmlUrl) {
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return;
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}
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if (!object) {
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QGuiApplication::exit(-1);
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} else {
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QObject::disconnect(connection);
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}
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},
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Qt::QueuedConnection);
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engine.load(mainQmlUrl);
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QList<QObject *> rootObjs = engine.rootObjects();
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Q_ASSERT(!rootObjs.isEmpty());
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QObject *rootObj = rootObjs.at(0);
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Q_ASSERT(rootObj);
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QQmlProperty::write(rootObj, QString::fromUtf8("isWin10OrGreater"), shouldHaveWindowFrame());
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return QGuiApplication::exec();
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}
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