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/*
*
* Copyright (C) by Duncan Mac-Vicar P. <duncan@kde.org>
*
* 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.
*/
#include <QtGlobal>
#include "application.h"
#include "common/utility.h"
#include "guiutility.h"
#include "platform.h"
#include "resources/loadresources.h"
#include "theme.h"
#ifdef WITH_AUTO_UPDATER
#include "updater/updater.h"
#endif
#include <QTimer>
#include <QMessageBox>
using namespace std::chrono_literals;
using namespace OCC;
void warnSystray()
{
QMessageBox::critical(nullptr, qApp->translate("main.cpp", "System Tray not available"),
qApp->translate("main.cpp", "%1 requires on a working system tray. "
"If you are running XFCE, please follow "
"<a href=\"http://docs.xfce.org/xfce/xfce4-panel/systray\">these instructions</a>. "
"Otherwise, please install a system tray application such as 'trayer' and try again.")
.arg(Theme::instance()->appNameGUI()));
}
int main(int argc, char **argv)
{
// load the resources
const OCC::ResourcesLoader resource;
QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
// Create a `Platform` instance so it can set-up/tear-down stuff for us, and do any
// initialisation that needs to be done before creating a QApplication
auto platform = Platform::create();
// Create the (Q)Application instance:
OCC::Application app(argc, argv);
Utility::tweakUIStyle();
#ifdef Q_OS_WIN
// TODO: 2.11 move to platform class
Utility::startShutdownWatcher();
#endif
#ifdef WITH_AUTO_UPDATER
// if handleStartup returns true, main()
// needs to terminate here, e.g. because
// the updater is triggered
Updater *updater = Updater::instance();
if (updater && updater->handleStartup()) {
return 1;
}
#endif
// if the application is already running, notify it.
if (app.isRunning()) {
qCInfo(lcApplication) << "Already running, exiting...";
if (app.isSessionRestored()) {
// This call is mirrored with the one in Application::slotParseMessage
qCInfo(lcApplication) << "Session was restored, don't notify app!";
return -1;
}
QStringList args = app.arguments();
if (args.size() > 1) {
QString msg = args.join(QLatin1String("|"));
if (!app.sendMessage(QLatin1String("MSG_PARSEOPTIONS:") + msg))
return -1;
}
return 0;
}
// We can't call isSystemTrayAvailable with appmenu-qt5 begause it hides the systemtray
// (issue #4693)
if (qgetenv("QT_QPA_PLATFORMTHEME") != "appmenu-qt5")
{
if (!QSystemTrayIcon::isSystemTrayAvailable()) {
// If the systemtray is not there, we will wait one second for it to maybe start
// (eg boot time) then we show the settings dialog if there is still no systemtray.
// On XFCE however, we show a message box with explainaition how to install a systemtray.
qCInfo(lcApplication) << "System tray is not available, waiting...";
Utility::sleep(1);
auto desktopSession = qgetenv("XDG_CURRENT_DESKTOP").toLower();
if (desktopSession.isEmpty()) {
desktopSession = qgetenv("DESKTOP_SESSION").toLower();
}
if (desktopSession == "xfce") {
int attempts = 0;
while (!QSystemTrayIcon::isSystemTrayAvailable()) {
attempts++;
if (attempts >= 30) {
qCWarning(lcApplication) << "System tray unavailable (xfce)";
warnSystray();
break;
}
Utility::sleep(1);
}
}
if (QSystemTrayIcon::isSystemTrayAvailable()) {
app.tryTrayAgain();
} else if (desktopSession != "ubuntu") {
qCInfo(lcApplication) << "System tray still not available, showing window and trying again later";
QTimer::singleShot(10s, &app, &Application::tryTrayAgain);
} else {
qCInfo(lcApplication) << "System tray still not available, but assuming it's fine on 'ubuntu' desktop";
}
}
}
return app.exec();
}
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