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flightgear/utils/fgqcanvas/main.cpp
James Turner 28398fd041 FGQCanvas: screen handling argument (for RPi4)
Allow the QScreen to be specified, trying to get dual-screen output
working correctly on my RPi4
2019-07-25 16:03:47 +01:00

115 lines
4 KiB
C++

//
// Copyright (C) 2017 James Turner zakalawe@mac.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include <QApplication>
#include <QQmlEngine>
#include <QQuickView>
#include <QQmlContext>
#include <QCommandLineParser>
#include <QScreen>
#include "canvasitem.h"
#include "applicationcontroller.h"
#include "canvasdisplay.h"
#include "canvasconnection.h"
#include "canvaspainteddisplay.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setApplicationName("FGCanvas");
a.setOrganizationDomain("flightgear.org");
a.setOrganizationName("FlightGear");
QCommandLineParser parser;
parser.addPositionalArgument("config", QCoreApplication::translate("main", "JSON configuration to load"));
QCommandLineOption framelessOption(QStringList() << "frameless",
QCoreApplication::translate("main", "Use a frameless window"));
QCommandLineOption screenOption(QStringList() << "screen",
QCoreApplication::translate("main", "Run full-screen on <scren>"), "screen");
parser.addOption(framelessOption);
parser.addOption(screenOption);
parser.process(a);
ApplicationController appController;
qmlRegisterType<CanvasItem>("FlightGear", 1, 0, "CanvasItem");
qmlRegisterType<CanvasDisplay>("FlightGear", 1, 0, "CanvasDisplay");
qmlRegisterType<CanvasPaintedDisplay>("FlightGear", 1, 0, "PaintedCanvasDisplay");
qmlRegisterUncreatableType<CanvasConnection>("FlightGear", 1, 0, "CanvasConnection", "Don't create me");
qmlRegisterUncreatableType<ApplicationController>("FlightGear", 1, 0, "Application", "Can't create");
QQuickView quickView;
appController.setWindow(&quickView);
if (parser.isSet(framelessOption)) {
quickView.setFlag(Qt::FramelessWindowHint, true);
}
bool restoreWindowState = true;
if (parser.isSet(screenOption)) {
QString screenName = parser.value(screenOption);
QStringList allScreenNames;
QScreen* found = nullptr;
Q_FOREACH(QScreen* s, a.screens()) {
allScreenNames << s->name();
if (s->name() == screenName) {
found = s;
break;
}
}
if (!found) {
qFatal("Unable to find screen: %s: screens are: %s", screenName.toLatin1().data(),
allScreenNames.join(",").toLatin1().data());
}
quickView.setScreen(found);
quickView.setGeometry(found->geometry());
quickView.setFlag(Qt::FramelessWindowHint, true);
restoreWindowState = false;
qInfo() << "Requested to run on screen:" << screenName << "with geometry" << found->geometry();
} else {
// windows mode, default geeometry
quickView.setWidth(1024);
quickView.setHeight(768);
}
quickView.rootContext()->setContextProperty("_application", &appController);
const QStringList args = parser.positionalArguments();
if (!args.empty()) {
appController.setDaemonMode();
appController.loadFromFile(args.front());
}
quickView.setResizeMode(QQuickView::SizeRootObjectToView);
quickView.setSource(QUrl("qrc:///qml/mainMenu.qml"));
quickView.show();
if (restoreWindowState) {
appController.restoreWindowState();
}
int result = a.exec();
return result;
}