Lomiri
main.cpp
1 /*
2  * Copyright (C) 2012-2016 Canonical Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 // local
18 #include "LomiriApplication.h"
19 #include "qmldebuggerutils.h"
20 #include "UnixSignalHandler.h"
21 #include <paths.h>
22 
23 #include <QTranslator>
24 #include <QLibraryInfo>
25 #include <QLocale>
26 #include <QTimer>
27 
28 #include <systemd/sd-daemon.h>
29 
30 int main(int argc, const char *argv[])
31 {
32  qSetMessagePattern("[%{time yyyy-MM-dd:hh:mm:ss.zzz}] %{if-category}%{category}: %{endif}%{message}");
33 
34  if (qgetenv("QT_QPA_PLATFORM") == "lomirimirclient" || qgetenv("QT_QPA_PLATFORM") == "wayland") {
35  setenv("QT_QPA_PLATFORM", "mirserver", 1 /* overwrite */);
36 
37  qInfo("Using mirserver qt platform");
38  }
39 
40  // If we are not running using nested mir, we need to set cursor to null
41  if (!qEnvironmentVariableIsSet("MIR_SERVER_HOST_SOCKET")) {
42  qInfo("Not using nested server, using null mir cursor");
43  setenv("MIR_SERVER_CURSOR", "null", 1);
44  }
45 
46  if (enableQmlDebugger(argc, argv)) {
47  QQmlDebuggingEnabler qQmlEnableDebuggingHelper(true);
48  }
49 
50  auto *application = new LomiriApplication(argc,
51  (char**)argv);
52 
53  UnixSignalHandler signalHandler([]{
54  QGuiApplication::exit(0);
55  });
56  signalHandler.setupUnixSignalHandlers();
57 
58  QTranslator qtTranslator;
59  if (qtTranslator.load(QLocale(), QStringLiteral("qt_"), qgetenv("SNAP"), QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
60  application->installTranslator(&qtTranslator);
61  }
62 
63  // When the event loop starts, signal systemd that we're ready.
64  // Shouldn't do anything if we're not under systemd or it's not waiting
65  // for our answer.
66  QTimer::singleShot(0 /* msec */, []() {
67  sd_notify(
68  /* unset_environment -- we'll do so using Qt's function */ false,
69  /* state */ "READY=1\n"
70  "STATUS=Lomiri is running and ready to receive connections...");
71 
72  // I'm not sure if we ever have children ourself, but just in case.
73  // I don't plan to call sd_notify() again.
74  qunsetenv("NOTIFY_SOCKET");
75  });
76 
77  int result = application->exec();
78 
79  application->destroyResources();
80 
81  delete application;
82 
83  return result;
84 }