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annotate src/main.cpp @ 0:147b08bc7d64

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Initial commit of a basic Application framework.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 23 Mar 2015 12:41:52 +0100
parents
children e3c8f61e45a9
rev   line source
0
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
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1 /* Copyright (C) 2014 by Intevation GmbH
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2 *
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3 * This file is Free Software under the GNU GPL (v>=2)
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4 * and comes with ABSOLUTELY NO WARRANTY!
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5 * See LICENSE.txt for details.
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6 */
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7
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8 /** @file Main entry point for the application.
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9 *
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10 * This file is the wrapper around the qt application.
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11 * Does command line parsing and preparation of the QApplication.
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12 */
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13 #include "constants.h"
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14
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15 #include "mainwindow.h"
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16
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17 #include "strhelp.h"
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18 #include "util.h"
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19
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20 #include <QApplication>
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21 #include <QCommandLineParser>
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22 #include <QtPlugin>
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23 #include <QDebug>
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24 #include <QTranslator>
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25 #include <QSettings>
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26 #include <QFontDatabase>
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27 #include <QSplashScreen>
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28 #include <QTimer>
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29
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30 #ifdef Q_OS_WIN
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31
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32 #include <windows.h>
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33 #include <shlobj.h>
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34
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35 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
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36 #else
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37 /* this is only necessary if we build statically for GNU/Linux */
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38 // Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)
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39 #endif
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40
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41 #ifdef IS_TAG_BUILD
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42 bool g_debug = false;
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43 #else
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44 bool g_debug = true;
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45 #endif
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46
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47 QtMessageHandler g_default_msg_handler = NULL;
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48
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49 void filterDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
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50 {
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51 if (!g_debug && type == QtDebugMsg) {
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52 return;
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53 }
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54
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55 if (g_default_msg_handler) {
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56 (*g_default_msg_handler)(type, context, msg);
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57 }
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58 }
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59
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60 int realMain(int argc, char **argv);
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61
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62 #if defined(WIN32) && defined(UNICODE)
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63
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64 /** @brief Unicode entry point.
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65 *
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66 * Converts arguments to UTF-8 and executes the real
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67 * entry point realMain.
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68 */
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69 int wmain(int argc, wchar_t **argv, wchar_t **envp)
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70 {
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71 char **utf8args = NULL;
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72
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73 utf8args = (char**) xmalloc0 ((argc + 1) * sizeof(char*));
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74
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75 for (int i = 0; i < argc; i++) {
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76 utf8args[i] = wchar_to_utf8(argv[i], wcslen(argv[i]));
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77 if (utf8args[i] == NULL) {
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78 printf ("Fatal: could not convert arguments to UTF-8.\n");
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79 exit(-1);
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80 }
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81 }
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82 int ret = realMain(argc, utf8args);
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83 strv_free(utf8args);
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84
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85 return ret;
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86 }
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87 #else
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88 int main(int argc, char **argv)
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89 {
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90 return realMain(argc, argv);
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91 }
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92 #endif
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93
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94 /** @brief The real entry point to the application.
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95 *
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96 * @param [in] argc the count of the arguments.
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97 * @param [in] argv On GNU/Linux this function expects argv to be in the
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98 * native system encoding. On Windows the arguments
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99 * shall be UTF-8
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100 *
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101 * @returns 0 on success an error code otherwise. */
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102 int realMain(int argc, char **argv)
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103 {
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104 /* QApplication setup */
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105 QApplication app (argc, argv);
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106 QApplication::setQuitOnLastWindowClosed(true);
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107 QApplication::setOrganizationName(QString::fromLatin1(ORGANIZATION));
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108 QApplication::setApplicationName(QString::fromLatin1(APPNAME));
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109 QApplication::setApplicationVersion(QString::fromLatin1(VERSION));
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110 QSettings::setDefaultFormat(QSettings::IniFormat);
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111
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112 /* Setup translations */
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113 QTranslator translator;
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114 if (QLocale::system().name() == "C") {
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115 /* Useful for testing / development as the primary target is german */
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116 translator.load(":/l10n/main_de_DE");
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117 } else {
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118 translator.load(":/l10n/main_" + QLocale::system().name());
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119 }
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120 app.installTranslator(&translator);
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121
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122 /* Install static fonts */
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123
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124 /* The putenv here works around a bug in qt (#29192). Qt thinks it is a fatal
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125 * error if the font directory does not exist. Will be fixed in Qt 5.4 */
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126 char * inst_dir = get_install_dir();
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127 if (inst_dir) {
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128 qputenv("QT_QPA_FONTDIR", inst_dir);
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129 xfree(inst_dir);
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130 }
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131 int fontId = QFontDatabase::addApplicationFont(":/fonts/DejaVuSans.ttf");
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132 if (fontId != -1)
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133 {
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134 QFont font("DejaVuSans");
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135 font.setPointSize(9);
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136 app.setFont(font);
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137 }
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138
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139 /* Parse the command line */
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140 QCommandLineParser parser;
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141 parser.setApplicationDescription(QObject::tr(DESCRIPTION) + "\n" +
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142 QObject::tr(COPYRIGHT));
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143 parser.addHelpOption();
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144
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145 parser.addPositionalArgument("folder", QCoreApplication::translate("main", "The folder containing the data to replay."));
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146 QCommandLineOption debugOpt(QStringList() << "debug",
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147 QCoreApplication::translate("main", "Print debug output."));
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148 parser.addOption(debugOpt);
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149
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150 parser.process(app);
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151
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152 #ifdef IS_TAG_BUILD
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153 g_debug = parser.isSet(debugOpt);
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154 #else
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155 g_debug = true;
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156 #endif
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157 g_default_msg_handler = qInstallMessageHandler(filterDebugOutput);
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158
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159
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160 /* Initialize the main window */
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161 MainWindow mainWin;
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162
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163 const QStringList args = parser.positionalArguments();
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164 if (args.isEmpty() || args.size() > 1) {
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165 parser.showHelp(1);
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166 }
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167 mainWin.setFolder(args.first());
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168
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169 mainWin.show();
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170
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171 return app.exec(); /* Go event loop */
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172 }
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