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vcmi/launcher/main.cpp

129 lines
3.6 KiB
C++

/*
* main.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "main.h"
#include "mainwindow_moc.h"
#include "prepare.h"
#include "../lib/VCMIDirs.h"
#include <QApplication>
// Conan workaround https://github.com/conan-io/conan-center-index/issues/13332
#ifdef VCMI_IOS
# if __has_include("QIOSIntegrationPlugin.h")
# include "QIOSIntegrationPlugin.h"
# endif
int argcForClient;
char ** argvForClient;
#elif defined(VCMI_ANDROID)
# include <QAndroidJniObject>
# include <QtAndroid>
#else
# include <QMessageBox>
# include <QProcess>
#endif // VCMI_IOS
// android must export main explicitly to make it visible in the shared library
#ifdef VCMI_ANDROID
# define MAIN_EXPORT ELF_VISIBILITY
#else
# define MAIN_EXPORT
#endif // VCMI_ANDROID
int MAIN_EXPORT main(int argc, char * argv[])
{
int result;
#ifdef VCMI_IOS
{
#endif
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif
QApplication vcmilauncher(argc, argv);
launcher::prepare();
MainWindow mainWindow;
mainWindow.show();
#ifdef VCMI_ANDROID
// changing language causes window to increase size over the bounds, force it back to proper value
// TODO: check in Qt 6 if the hack is still needed
auto appWindow = vcmilauncher.focusWindow();
auto resizeWindowToScreen = [appWindow]{
appWindow->resize(appWindow->screen()->availableSize());
};
QObject::connect(appWindow, &QWindow::widthChanged, resizeWindowToScreen);
QObject::connect(appWindow, &QWindow::heightChanged, resizeWindowToScreen);
#endif
result = vcmilauncher.exec();
#ifdef VCMI_IOS
}
if (result == 0)
launchGame(argcForClient, argvForClient);
#endif
return result;
}
void startGame(const QStringList & args)
{
logGlobal->warn("Starting game with the arguments: %s", args.join(" ").toStdString());
#ifdef VCMI_IOS
static const char clientName[] = "vcmiclient";
argcForClient = args.size() + 1; //first argument is omitted
argvForClient = new char*[argcForClient];
argvForClient[0] = new char[strlen(clientName)+1];
strcpy(argvForClient[0], clientName);
for(int i = 1; i < argcForClient; ++i)
{
std::string s = args.at(i - 1).toStdString();
argvForClient[i] = new char[s.size() + 1];
strcpy(argvForClient[i], s.c_str());
}
qApp->quit();
#elif defined(VCMI_ANDROID)
QtAndroid::androidActivity().callMethod<void>("onLaunchGameBtnPressed");
#else
startExecutable(pathToQString(VCMIDirs::get().clientPath()), args);
#endif
}
void startEditor(const QStringList & args)
{
#ifdef ENABLE_EDITOR
startExecutable(pathToQString(VCMIDirs::get().mapEditorPath()), args);
#endif
}
#ifndef VCMI_MOBILE
void startExecutable(QString name, const QStringList & args)
{
// Start vcmiclient and vcmieditor with QProcess::start() instead of QProcess::startDetached()
// since startDetached() results in a missing terminal prompt after quitting vcmiclient.
// QProcess::start() causes the launcher window to freeze while the child process is running, so we hide it in
// MainWindow::on_startGameButton_clicked() and MainWindow::on_startEditorButton_clicked()
QProcess process;
process.setProcessChannelMode(QProcess::ForwardedChannels);
process.start(name, args);
process.waitForFinished(-1);
if (process.exitStatus() != QProcess::NormalExit || process.exitCode() != 0) {
QMessageBox::critical(qApp->activeWindow(),
QObject::tr("Error starting executable"),
QObject::tr("Failed to start %1\nReason: %2").arg(name, process.errorString()));
}
qApp->quit();
}
#endif