framelesshelper/examples/quick-blur/main.cpp

138 lines
5.1 KiB
C++

/*
* MIT License
*
* Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef QMLTC_ENABLED
# define QMLTC_ENABLED 0 // We disable it for now, because currently (6.4) it can't process singletons yet.
// There's some hope to get it supported in Qt 6.5
#endif
#include <QtGui/qguiapplication.h>
#include <QtQml/qqmlapplicationengine.h>
#include <QtQuick/qquickwindow.h>
#include <QtQuickControls2/qquickstyle.h>
#include <framelessquickmodule.h>
#include <framelessconfig_p.h>
#include "settings.h"
#if QMLTC_ENABLED
# include <mainwindow.h>
#endif
FRAMELESSHELPER_USE_NAMESPACE
int main(int argc, char *argv[])
{
// Not necessary, but better call this function, before the construction
// of any Q(Core|Gui)Application instances.
FramelessHelper::Quick::initialize();
QGuiApplication application(argc, argv);
FramelessConfig::instance()->set(Global::Option::WindowUseRoundCorners);
// Enable QtRHI debug output if not explicitly requested by the user.
if (!qEnvironmentVariableIsSet("QSG_INFO")) {
qputenv("QSG_INFO", FRAMELESSHELPER_BYTEARRAY_LITERAL("1"));
}
// Allow testing other RHI backends through environment variable.
if (!qEnvironmentVariableIsSet("QSG_RHI_BACKEND")) {
// This line is not relevant to FramelessHelper, we change
// the default RHI backend to "software" just because it's
// stable enough and have exactly the same behavior on all
// supported platforms. Other backends may behave differently
// on different platforms and graphics cards, so I think they
// are not suitable for our demonstration.
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
QQuickWindow::setGraphicsApi(QSGRendererInterface::Software);
#elif (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software);
#endif
}
QQmlApplicationEngine engine;
#if !QMLTC_ENABLED
engine.addImportPath(FRAMELESSHELPER_STRING_LITERAL("../imports"));
#endif
#if (QT_VERSION < QT_VERSION_CHECK(6, 2, 0)) && !QMLTC_ENABLED
// Don't forget to register our own custom QML types!
FramelessHelper::Quick::registerTypes(&engine);
qmlRegisterSingletonType<Settings>("Demo", 1, 0, "Settings",
[](QQmlEngine *engine, QJSEngine *scriptEngine) -> QObject * {
Q_UNUSED(engine);
Q_UNUSED(scriptEngine);
return new Settings;
});
#endif
#if !QMLTC_ENABLED
// This line is not relevant to FramelessHelper, we change the default
// Qt Quick Controls theme to "Basic" (Qt6) or "Default" (Qt5) just
// because other themes will make our homemade system buttons look
// not good. This line has nothing to do with FramelessHelper itself.
# if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
QQuickStyle::setStyle(FRAMELESSHELPER_STRING_LITERAL("Basic"));
# else
QQuickStyle::setStyle(FRAMELESSHELPER_STRING_LITERAL("Default"));
# endif
#endif
#if !QMLTC_ENABLED
const QUrl mainUrl(FRAMELESSHELPER_STRING_LITERAL("qrc:///Demo/MainWindow.qml"));
#endif
#if (QT_VERSION >= QT_VERSION_CHECK(6, 4, 0))
QObject::connect(&engine, &QQmlApplicationEngine::objectCreationFailed, &application,
[](const QUrl &url){
qCritical() << "The QML engine failed to create component:" << url;
QCoreApplication::exit(-1);
}, Qt::QueuedConnection);
#elif !QMLTC_ENABLED
const QMetaObject::Connection connection = QObject::connect(
&engine, &QQmlApplicationEngine::objectCreated, &application,
[&mainUrl, &connection](QObject *object, const QUrl &url) {
if (url != mainUrl) {
return;
}
if (object) {
QObject::disconnect(connection);
} else {
QCoreApplication::exit(-1);
}
}, Qt::QueuedConnection);
#endif
#if !QMLTC_ENABLED
engine.load(mainUrl);
#endif
#if QMLTC_ENABLED
QScopedPointer<MainWindow> mainWindow(new MainWindow(&engine));
mainWindow->show();
#endif
return QCoreApplication::exec();
}