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annotate src/main.cpp @ 82:9a03703622b8

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author Andre Heinecke <andre.heinecke@intevation.de>
date Thu, 18 Jun 2015 17:58:34 +0200
parents a9a343271490
children 9daf778feaf1
rev   line source
25
64a51a42c01f Assign copyright correctly
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1 /* Copyright (C) 2015 by ETH Zürich
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2 * Software engineering by Intevation GmbH
0
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8
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9 /** @file Main entry point for the application.
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10 *
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11 * This file is the wrapper around the qt application.
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12 * Does command line parsing and preparation of the QApplication.
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13 */
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14 #include "constants.h"
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15
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16 #include "mainwindow.h"
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17
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18 #include "strhelp.h"
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19 #include "util.h"
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20
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21 #include <QApplication>
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22 #include <QCommandLineParser>
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23 #include <QtPlugin>
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24 #include <QDebug>
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25 #include <QTranslator>
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26 #include <QSettings>
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27 #include <QFontDatabase>
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28 #include <QSplashScreen>
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29 #include <QTimer>
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30
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31 #ifdef Q_OS_WIN
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32
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33 #include <windows.h>
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34 #include <shlobj.h>
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35
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36 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
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37 #elif defined(Q_OS_MAC)
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38 Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin)
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39 #else
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40 /* this is only necessary if we build statically for GNU/Linux */
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41 // Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)
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42 #endif
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43
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44 #ifdef IS_TAG_BUILD
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45 bool g_debug = false;
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46 #else
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47 bool g_debug = true;
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48 #endif
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49
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50 QtMessageHandler g_default_msg_handler = NULL;
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51
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52 void filterDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
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53 {
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54 if (!g_debug && type == QtDebugMsg) {
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55 return;
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56 }
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57
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58 if (g_default_msg_handler) {
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59 (*g_default_msg_handler)(type, context, msg);
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60 }
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61 }
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62
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63 int realMain(int argc, char **argv);
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64
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65 #if defined(WIN32) && defined(UNICODE)
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66
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67 /** @brief Unicode entry point.
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68 *
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69 * Converts arguments to UTF-8 and executes the real
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70 * entry point realMain.
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71 */
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72 int wmain(int argc, wchar_t **argv, wchar_t **envp)
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73 {
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74 char **utf8args = NULL;
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75
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76 utf8args = (char**) xmalloc0 ((argc + 1) * sizeof(char*));
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77
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78 for (int i = 0; i < argc; i++) {
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79 utf8args[i] = wchar_to_utf8(argv[i], wcslen(argv[i]));
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80 if (utf8args[i] == NULL) {
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81 printf ("Fatal: could not convert arguments to UTF-8.\n");
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82 exit(-1);
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83 }
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84 }
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85 int ret = realMain(argc, utf8args);
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86 strv_free(utf8args);
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87
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88 return ret;
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89 }
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90 #else
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91 int main(int argc, char **argv)
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92 {
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93 return realMain(argc, argv);
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94 }
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95 #endif
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96
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97 /** @brief The real entry point to the application.
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98 *
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99 * @param [in] argc the count of the arguments.
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100 * @param [in] argv On GNU/Linux this function expects argv to be in the
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101 * native system encoding. On Windows the arguments
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102 * shall be UTF-8
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103 *
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104 * @returns 0 on success an error code otherwise. */
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105 int realMain(int argc, char **argv)
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106 {
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107 /* QApplication setup */
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108 QApplication app (argc, argv);
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109 QApplication::setQuitOnLastWindowClosed(true);
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110 QApplication::setOrganizationName(QString::fromLatin1(APPNAME));
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111 QApplication::setApplicationName(QString::fromLatin1(APPNAME));
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112 QApplication::setApplicationVersion(QString::fromLatin1(VERSION));
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113 QSettings::setDefaultFormat(QSettings::IniFormat);
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114
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115 /* Setup translations */
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116 QTranslator translator;
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117 if (QLocale::system().name() == "C") {
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118 /* Useful for testing / development as the primary target is german */
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119 translator.load(":/l10n/main_de_DE");
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120 } else {
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121 translator.load(":/l10n/main_" + QLocale::system().name());
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122 }
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123 app.installTranslator(&translator);
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124
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125 /* Install static fonts */
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126
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127 /* The putenv here works around a bug in qt (#29192). Qt thinks it is a fatal
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128 * error if the font directory does not exist. Will be fixed in Qt 5.4 */
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129 char * inst_dir = get_install_dir();
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130 if (inst_dir) {
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131 qputenv("QT_QPA_FONTDIR", inst_dir);
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132 xfree(inst_dir);
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133 }
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134 int fontId = QFontDatabase::addApplicationFont(":/fonts/DejaVuSans.ttf");
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135 if (fontId != -1)
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136 {
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137 QFont font("DejaVuSans");
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138 font.setPointSize(9);
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139 app.setFont(font);
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140 }
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141
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142 /* Parse the command line */
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143 QCommandLineParser parser;
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144 parser.setApplicationDescription(QObject::tr(DESCRIPTION) + "\n" +
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145 QObject::tr(COPYRIGHT));
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146 parser.addHelpOption();
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147
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148 parser.addPositionalArgument("folder", QCoreApplication::translate("main", "The folder containing the data to replay."));
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149 QCommandLineOption debugOpt(QStringList() << "debug",
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150 QCoreApplication::translate("main", "Print debug output."));
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151 parser.addOption(debugOpt);
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152
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153 parser.process(app);
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154
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155 #ifdef IS_TAG_BUILD
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156 g_debug = parser.isSet(debugOpt);
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157 #else
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158 g_debug = true;
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159 #endif
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160 g_default_msg_handler = qInstallMessageHandler(filterDebugOutput);
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161
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162
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163 /* Initialize the main window */
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164 MainWindow mainWin;
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165
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166 const QStringList args = parser.positionalArguments();
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167 if (args.size() > 1) {
0
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168 parser.showHelp(1);
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169 }
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170 if (args.size() == 1) {
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171 mainWin.setFolder(args.first());
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172 } else {
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173 mainWin.showWithFolderSelect();
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174 }
0
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175
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176 return app.exec(); /* Go event loop */
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177 }
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