Unity 8
main.cpp
1 /*
2  * Copyright (C) 2014 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 
30 #include <paths.h>
31 #include "../qmldebuggerutils.h"
32 #ifdef UNITY8_ENABLE_TOUCH_EMULATION
33  #include "../MouseTouchAdaptor.h"
34 #endif
35 #include "../CachingNetworkManagerFactory.h"
36 #include "../UnixSignalHandler.h"
37 
38 int main(int argc, const char *argv[])
39 {
40  qSetMessagePattern("[%{time yyyy-MM-dd:hh:mm:ss.zzz}] %{if-category}%{category}: %{endif}%{message}");
41  if (enableQmlDebugger(argc, argv)) {
42  QQmlDebuggingEnabler qQmlEnableDebuggingHelper(true);
43  }
44 
45  QGuiApplication *application = new QGuiApplication(argc, (char**)argv);
46 
47  QCommandLineParser parser;
48  parser.setApplicationDescription(QStringLiteral("Description: Unity 8 Shell Dash"));
49  parser.addHelpOption();
50 
51  QCommandLineOption mousetouchOption(QStringLiteral("mousetouch"),
52  QStringLiteral("Allow the mouse to provide touch input"));
53  parser.addOption(mousetouchOption);
54 
55  QCommandLineOption windowGeometryOption(QStringList() << QStringLiteral("windowgeometry"),
56  QStringLiteral("Specify the window geometry as [<width>x<height>]"), QStringLiteral("windowgeometry"), QStringLiteral("1"));
57  parser.addOption(windowGeometryOption);
58 
59  // FIXME Remove once we drop the need of the hint
60  QCommandLineOption desktopFileHintOption(QStringLiteral("desktop_file_hint"),
61  QStringLiteral("The desktop_file_hint option for QtMir"), QStringLiteral("hint_file"));
62  parser.addOption(desktopFileHintOption);
63 
64  // Treat args with single dashes the same as arguments with two dashes
65  // Ex: -fullscreen == --fullscreen
66  parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
67  parser.process(*application);
68 
69  if (getenv("QT_LOAD_TESTABILITY")) {
70  QLibrary testLib(QStringLiteral("qttestability"));
71  if (testLib.load()) {
72  typedef void (*TasInitialize)(void);
73  TasInitialize initFunction = (TasInitialize)testLib.resolve("qt_testability_init");
74  if (initFunction) {
75  initFunction();
76  } else {
77  qCritical("Library qttestability resolve failed!");
78  }
79  } else {
80  qCritical("Library qttestability load failed!");
81  }
82  }
83 
84  bindtextdomain("unity8", translationDirectory().toUtf8().data());
85  textdomain("unity8");
86 
87  #ifdef UNITY8_ENABLE_TOUCH_EMULATION
88  // You will need this if you want to interact with touch-only components using a mouse
89  // Needed only when manually testing on a desktop.
90  MouseTouchAdaptor *mouseTouchAdaptor = 0;
91  if (parser.isSet(mousetouchOption)) {
92  mouseTouchAdaptor = MouseTouchAdaptor::instance();
93  }
94  #endif
95 
96  QQmlApplicationEngine *engine = new QQmlApplicationEngine(application);
97 
98  int initialWidth = -1;
99  int initialHeight = -1;
100  if (parser.isSet(windowGeometryOption) &&
101  parser.value(windowGeometryOption).split('x').size() == 2)
102  {
103  QStringList geom = parser.value(windowGeometryOption).split('x');
104  QSize windowSize(geom.at(0).toInt(), geom.at(1).toInt());
105  if (windowSize.isValid()) {
106  initialWidth = windowSize.width();
107  initialHeight = windowSize.height();
108  }
109  }
110  engine->rootContext()->setContextProperty("initialWidth", initialWidth);
111  engine->rootContext()->setContextProperty("initialHeight", initialHeight);
112 
113  QUrl source(::qmlDirectory() + "/Dash/DashApplication.qml");
114  prependImportPaths(engine, ::overrideImportPaths());
115  appendImportPaths(engine, ::fallbackImportPaths());
116 
117  CachingNetworkManagerFactory *managerFactory = new CachingNetworkManagerFactory();
118  engine->setNetworkAccessManagerFactory(managerFactory);
119 
120  engine->load(source);
121 
122  UnixSignalHandler signalHandler([]{
123  QGuiApplication::exit(0);
124  });
125  signalHandler.setupUnixSignalHandlers();
126 
127  int result = application->exec();
128 
129  delete engine;
130 
131  #ifdef UNITY8_ENABLE_TOUCH_EMULATION
132  delete mouseTouchAdaptor;
133  #endif
134 
135  delete application;
136 
137  return result;
138 }