Unity 8
main.cpp
1 /*
2  * Copyright (C) 2014-2016 Canonical, Ltd.
3  *
4  * Authors:
5  * Michael Zanetti <michael.zanetti@canonical.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; version 3.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include <QtQuick/QQuickView>
21 #include <QtGui/QGuiApplication>
22 #include <QtQml/QQmlEngine>
23 #include <QtQml/QQmlContext>
24 #include <QDebug>
25 #include <QCommandLineParser>
26 #include <QLibrary>
27 #include <libintl.h>
28 #include <QQmlApplicationEngine>
29 #include <QTranslator>
30 #include <QLibraryInfo>
31 #include <QLocale>
32 
33 #include <paths.h>
34 #include "../qmldebuggerutils.h"
35 #ifdef UNITY8_ENABLE_TOUCH_EMULATION
36  #include "../MouseTouchAdaptor.h"
37 #endif
38 #include "../CachingNetworkManagerFactory.h"
39 #include "../UnixSignalHandler.h"
40 
41 int main(int argc, const char *argv[])
42 {
43  qSetMessagePattern("[%{time yyyy-MM-dd:hh:mm:ss.zzz}] %{if-category}%{category}: %{endif}%{message}");
44  if (enableQmlDebugger(argc, argv)) {
45  QQmlDebuggingEnabler qQmlEnableDebuggingHelper(true);
46  }
47 
48  QGuiApplication *application = new QGuiApplication(argc, (char**)argv);
49 
50  QCommandLineParser parser;
51  parser.setApplicationDescription(QStringLiteral("Description: Unity 8 Shell Dash"));
52  parser.addHelpOption();
53 
54  QCommandLineOption mousetouchOption(QStringLiteral("mousetouch"),
55  QStringLiteral("Allow the mouse to provide touch input"));
56  parser.addOption(mousetouchOption);
57 
58  QCommandLineOption windowGeometryOption(QStringList() << QStringLiteral("windowgeometry"),
59  QStringLiteral("Specify the window geometry as [<width>x<height>]"), QStringLiteral("windowgeometry"), QStringLiteral("1"));
60  parser.addOption(windowGeometryOption);
61 
62  // FIXME Remove once we drop the need of the hint
63  QCommandLineOption desktopFileHintOption(QStringLiteral("desktop_file_hint"),
64  QStringLiteral("The desktop_file_hint option for QtMir"), QStringLiteral("hint_file"));
65  parser.addOption(desktopFileHintOption);
66 
67  // Treat args with single dashes the same as arguments with two dashes
68  // Ex: -fullscreen == --fullscreen
69  parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
70  parser.process(*application);
71 
72  if (getenv("QT_LOAD_TESTABILITY")) {
73  QLibrary testLib(QStringLiteral("qttestability"));
74  if (testLib.load()) {
75  typedef void (*TasInitialize)(void);
76  TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init");
77  if (initFunction) {
78  initFunction();
79  } else {
80  qCritical("Library qttestability resolve failed!");
81  }
82  } else {
83  qCritical("Library qttestability load failed!");
84  }
85  }
86 
87  QTranslator qtTranslator;
88  if (qtTranslator.load(QLocale(), QStringLiteral("qt_"), qgetenv("SNAP"), QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
89  application->installTranslator(&qtTranslator);
90  }
91 
92  bindtextdomain("unity8", translationDirectory().toUtf8().data());
93  textdomain("unity8");
94 
95  #ifdef UNITY8_ENABLE_TOUCH_EMULATION
96  // You will need this if you want to interact with touch-only components using a mouse
97  // Needed only when manually testing on a desktop.
98  MouseTouchAdaptor *mouseTouchAdaptor = 0;
99  if (parser.isSet(mousetouchOption)) {
100  mouseTouchAdaptor = MouseTouchAdaptor::instance();
101  }
102  #endif
103 
104  QQmlApplicationEngine *engine = new QQmlApplicationEngine(application);
105 
106  int initialWidth = -1;
107  int initialHeight = -1;
108  if (parser.isSet(windowGeometryOption) &&
109  parser.value(windowGeometryOption).split('x').size() == 2)
110  {
111  QStringList geom = parser.value(windowGeometryOption).split('x');
112  QSize windowSize(geom.at(0).toInt(), geom.at(1).toInt());
113  if (windowSize.isValid()) {
114  initialWidth = windowSize.width();
115  initialHeight = windowSize.height();
116  }
117  }
118  engine->rootContext()->setContextProperty("initialWidth", initialWidth);
119  engine->rootContext()->setContextProperty("initialHeight", initialHeight);
120 
121  QUrl source(::qmlDirectory() + "/Dash/DashApplication.qml");
122  prependImportPaths(engine, ::overrideImportPaths());
123  appendImportPaths(engine, ::fallbackImportPaths());
124 
125  CachingNetworkManagerFactory *managerFactory = new CachingNetworkManagerFactory();
126  engine->setNetworkAccessManagerFactory(managerFactory);
127 
128  engine->load(source);
129 
130  UnixSignalHandler signalHandler([]{
131  QGuiApplication::exit(0);
132  });
133  signalHandler.setupUnixSignalHandlers();
134 
135  int result = application->exec();
136 
137  delete engine;
138 
139  #ifdef UNITY8_ENABLE_TOUCH_EMULATION
140  delete mouseTouchAdaptor;
141  #endif
142 
143  delete application;
144 
145  return result;
146 }