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annotate src/main.cpp @ 41:ae8e859de68e

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Clarify some comments about constants
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 06 May 2015 18:18:26 +0200
parents 749ecdfd036a
children a9a343271490
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 #else
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38 /* this is only necessary if we build statically for GNU/Linux */
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39 // Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)
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40 #endif
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41
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42 #ifdef IS_TAG_BUILD
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43 bool g_debug = false;
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44 #else
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45 bool g_debug = true;
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46 #endif
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47
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48 QtMessageHandler g_default_msg_handler = NULL;
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49
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50 void filterDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
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51 {
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52 if (!g_debug && type == QtDebugMsg) {
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53 return;
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54 }
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55
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56 if (g_default_msg_handler) {
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57 (*g_default_msg_handler)(type, context, msg);
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58 }
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59 }
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60
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61 int realMain(int argc, char **argv);
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62
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63 #if defined(WIN32) && defined(UNICODE)
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64
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65 /** @brief Unicode entry point.
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66 *
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67 * Converts arguments to UTF-8 and executes the real
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68 * entry point realMain.
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69 */
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70 int wmain(int argc, wchar_t **argv, wchar_t **envp)
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71 {
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72 char **utf8args = NULL;
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73
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74 utf8args = (char**) xmalloc0 ((argc + 1) * sizeof(char*));
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75
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76 for (int i = 0; i < argc; i++) {
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77 utf8args[i] = wchar_to_utf8(argv[i], wcslen(argv[i]));
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78 if (utf8args[i] == NULL) {
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79 printf ("Fatal: could not convert arguments to UTF-8.\n");
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80 exit(-1);
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81 }
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82 }
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83 int ret = realMain(argc, utf8args);
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84 strv_free(utf8args);
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85
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86 return ret;
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87 }
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88 #else
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89 int main(int argc, char **argv)
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90 {
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91 return realMain(argc, argv);
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92 }
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93 #endif
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94
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95 /** @brief The real entry point to the application.
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96 *
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97 * @param [in] argc the count of the arguments.
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98 * @param [in] argv On GNU/Linux this function expects argv to be in the
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99 * native system encoding. On Windows the arguments
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100 * shall be UTF-8
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101 *
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102 * @returns 0 on success an error code otherwise. */
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103 int realMain(int argc, char **argv)
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104 {
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105 /* QApplication setup */
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106 QApplication app (argc, argv);
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107 QApplication::setQuitOnLastWindowClosed(true);
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108 QApplication::setOrganizationName(QString::fromLatin1(APPNAME));
0
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109 QApplication::setApplicationName(QString::fromLatin1(APPNAME));
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110 QApplication::setApplicationVersion(QString::fromLatin1(VERSION));
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111 QSettings::setDefaultFormat(QSettings::IniFormat);
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112
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113 /* Setup translations */
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114 QTranslator translator;
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115 if (QLocale::system().name() == "C") {
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116 /* Useful for testing / development as the primary target is german */
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117 translator.load(":/l10n/main_de_DE");
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118 } else {
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119 translator.load(":/l10n/main_" + QLocale::system().name());
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120 }
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121 app.installTranslator(&translator);
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122
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123 /* Install static fonts */
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124
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125 /* The putenv here works around a bug in qt (#29192). Qt thinks it is a fatal
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126 * error if the font directory does not exist. Will be fixed in Qt 5.4 */
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127 char * inst_dir = get_install_dir();
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128 if (inst_dir) {
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129 qputenv("QT_QPA_FONTDIR", inst_dir);
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130 xfree(inst_dir);
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131 }
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132 int fontId = QFontDatabase::addApplicationFont(":/fonts/DejaVuSans.ttf");
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133 if (fontId != -1)
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134 {
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135 QFont font("DejaVuSans");
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136 font.setPointSize(9);
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137 app.setFont(font);
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138 }
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139
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140 /* Parse the command line */
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141 QCommandLineParser parser;
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142 parser.setApplicationDescription(QObject::tr(DESCRIPTION) + "\n" +
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143 QObject::tr(COPYRIGHT));
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144 parser.addHelpOption();
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145
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146 parser.addPositionalArgument("folder", QCoreApplication::translate("main", "The folder containing the data to replay."));
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147 QCommandLineOption debugOpt(QStringList() << "debug",
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148 QCoreApplication::translate("main", "Print debug output."));
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149 parser.addOption(debugOpt);
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150
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151 parser.process(app);
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152
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153 #ifdef IS_TAG_BUILD
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154 g_debug = parser.isSet(debugOpt);
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155 #else
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156 g_debug = true;
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157 #endif
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158 g_default_msg_handler = qInstallMessageHandler(filterDebugOutput);
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159
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160
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161 /* Initialize the main window */
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162 MainWindow mainWin;
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163
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164 const QStringList args = parser.positionalArguments();
9
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165 if (args.size() > 1) {
0
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166 parser.showHelp(1);
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167 }
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168 if (args.size() == 1) {
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169 mainWin.setFolder(args.first());
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170 } else {
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171 mainWin.showWithFolderSelect();
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172 }
0
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173
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174 return app.exec(); /* Go event loop */
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175 }
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