texstudio-3.1.1.tar.gz: texstudio-3.1.1/src/main.cpp

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1 /*************************************************************************** 2 * copyright : (C) 2003-2007 by Pascal Brachet * 3 * addons by Frederic Devernay <frederic.devernay@m4x.org> * 4 * addons by Luis Silvestre * 5 * http://www.xm1math.net/texmaker/ * 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; either version 2 of the License, or * 10 * (at your option) any later version. * 11 * * 12 ***************************************************************************/ 13 14 #include "mostQtHeaders.h" 15 /*! \mainpage TexStudio 16 * 17 * \see Texstudio 18 * \see PDFDocument 19 */ 20 21 #include "texstudio.h" 22 #include "smallUsefulFunctions.h" 23 #include "debughelper.h" 24 #include "debuglogger.h" 25 #include "utilsVersion.h" 26 #include <qtsingleapplication.h> 27 #include <QSplashScreen> 28 29 #ifdef Q_OS_WIN32 30 #include "windows.h" 31 typedef BOOL (WINAPI *AllowSetForegroundWindowFunc)(DWORD); 32 #endif 33 34 class TexstudioApp : public QtSingleApplication 35 { 36 public: 37 bool initialized; 38 QString delayedFileLoad; 39 Texstudio *mw; // Moved from private: 40 TexstudioApp(int &argc, char **argv); 41 TexstudioApp(QString &id, int &argc, char **argv); 42 ~TexstudioApp(); 43 void init(QStringList &cmdLine); // This function does all the initialization instead of the constructor. 44 /*bool notify(QObject* obj, QEvent* event){ 45 //really slow global event logging: 46 //qWarning(qPrintable(QString("%1 obj %2 named %3 typed %4 child of %5 received %6").arg(QTime::currentTime().toString("HH:mm:ss:zzz")).arg((long)obj,8,16).arg(obj->objectName()).arg(obj->metaObject()->className()).arg(obj->parent()?obj->parent()->metaObject()->className():"").arg(event->type()))); 47 try { 48 return QApplication::notify(obj,event); 49 } catch (const std::exception& e){ 50 qDebug() << "Catched exception: " << e.what(); 51 return false; 52 } 53 }*/ 54 55 56 protected: 57 bool event(QEvent *event); 58 }; 59 60 TexstudioApp::TexstudioApp(int &argc, char **argv) : QtSingleApplication(argc, argv) 61 { 62 mw = nullptr; 63 initialized = false; 64 } 65 66 TexstudioApp::TexstudioApp(QString &id, int &argc, char **argv) : QtSingleApplication(id, argc, argv) 67 { 68 mw = nullptr; 69 initialized = false; 70 } 71 72 void TexstudioApp::init(QStringList &cmdLine) 73 { 74 QPixmap pixmap(":/images/splash.png"); 75 QSplashScreen *splash = new QSplashScreen(pixmap); 76 splash->show(); 77 processEvents(); 78 79 mw = new Texstudio(nullptr, Qt::WindowFlags(), splash); 80 connect(this, SIGNAL(lastWindowClosed()), this, SLOT(quit())); 81 splash->finish(mw); 82 delete splash; 83 84 initialized = true; 85 86 if (!delayedFileLoad.isEmpty()) cmdLine << delayedFileLoad; 87 mw->executeCommandLine(cmdLine, true); 88 if(!cmdLine.contains("--auto-tests")){ 89 mw->startupCompleted(); 90 } 91 } 92 93 TexstudioApp::~TexstudioApp() 94 { 95 delete mw; 96 } 97 98 bool TexstudioApp::event(QEvent *event) 99 { 100 if (event->type() == QEvent::FileOpen) { 101 QFileOpenEvent *oe = static_cast<QFileOpenEvent *>(event); 102 if (initialized) mw->load(oe->file()); 103 else delayedFileLoad = oe->file(); 104 event->accept(); 105 return true; 106 } 107 return QApplication::event(event); 108 } 109 110 QString generateAppId() 111 { 112 QProcessEnvironment env = QProcessEnvironment::systemEnvironment(); 113 QString user = env.value("USER"); 114 if (user.isEmpty()) { 115 user = env.value("USERNAME"); 116 } 117 return QString("%1_%2").arg(TEXSTUDIO).arg(user); 118 } 119 120 QStringList parseArguments(const QStringList &args, bool &outStartAlways) 121 { 122 QStringList cmdLine; 123 for (int i = 1; i < args.count(); ++i) { 124 QString cmdArgument = args[i]; 125 126 if (cmdArgument.startsWith('-')) { 127 // various commands 128 if (cmdArgument == "--start-always") 129 outStartAlways = true; 130 else if (cmdArgument == "--no-session") 131 ConfigManager::dontRestoreSession = true; 132 else if ((cmdArgument == "-line" || cmdArgument == "--line") && (++i < args.count())) 133 cmdLine << "--line" << args[i]; 134 else if ((cmdArgument == "-page" || cmdArgument == "--page") && (++i < args.count())) 135 cmdLine << "--page" << args[i]; 136 else if ((cmdArgument == "-insert-cite" || cmdArgument == "--insert-cite") && (++i < args.count())) 137 cmdLine << "--insert-cite" << args[i]; 138 else if (cmdArgument == "--ini-file" && (++i < args.count())) { 139 // deprecated: use --config instead 140 ConfigManager::configDirOverride = QFileInfo(args[i]).absolutePath(); 141 } 142 else if (cmdArgument == "--config" && (++i < args.count())) 143 ConfigManager::configDirOverride = args[i]; 144 #ifdef DEBUG_LOGGER 145 else if ((cmdArgument == "--debug-logfile") && (++i < args.count())) 146 debugLoggerStart(args[i]); 147 #endif 148 else 149 cmdLine << cmdArgument; 150 } else 151 cmdLine << QFileInfo(cmdArgument).absoluteFilePath(); 152 } 153 return cmdLine; 154 } 155 156 bool handleCommandLineOnly(const QStringList &cmdLine) { 157 // note: stdout is not supported for Win GUI applications. Will simply not output anything there. 158 if (cmdLine.contains("--help")) { 159 QTextStream(stdout) << "Usage: texstudio [options] [file]\n" 160 << "\n" 161 << "Options:\n" 162 << " --config DIR use the specified settings directory\n" 163 << " --master define the document as explicit root document\n" 164 << " --line LINE[:COL] position the cursor at line LINE and column COL\n" 165 << " --insert-cite CITATION inserts the given citation\n" 166 << " --start-always start a new instance, even if TXS is already running\n" 167 << " --pdf-viewer-only run as a standalone pdf viewer without an editor\n" 168 << " --page PAGENUM display a certain page in the pdf viewer\n" 169 << " --no-session do not load/save the session at startup/close\n" 170 << " --texpath PATH force resetting command defaults with PATH as first search path" 171 << " --version show version number\n" 172 #ifdef DEBUG_LOGGER 173 << " --debug-logfile pathname write debug messages to pathname\n" 174 #endif 175 ; 176 return true; 177 } 178 179 if (cmdLine.contains("--version")) { 180 QTextStream(stdout) << "TeXstudio " << TXSVERSION << " (" << TEXSTUDIO_GIT_REVISION << ")\n"; 181 return true; 182 } 183 184 return false; 185 } 186 187 int main(int argc, char **argv) 188 { 189 QString appId = generateAppId(); 190 #if QT_VERSION >= QT_VERSION_CHECK(5,6,0) 191 if(qEnvironmentVariableIntValue("TEXSTUDIO_HIDPI_SCALE")>0){ 192 QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); 193 } else { 194 QApplication::setAttribute(Qt::AA_DisableHighDpiScaling); 195 } 196 #endif 197 // This is a dummy constructor so that the programs loads fast. 198 TexstudioApp a(appId, argc, argv); 199 bool startAlways = false; 200 QStringList cmdLine = parseArguments(QCoreApplication::arguments(), startAlways); 201 202 if (handleCommandLineOnly(cmdLine)) { 203 return 0; 204 } 205 206 if (!startAlways) { 207 if (a.isRunning()) { 208 #ifdef Q_OS_WIN32 209 AllowSetForegroundWindowFunc asfw = (AllowSetForegroundWindowFunc) GetProcAddress(GetModuleHandleA("user32.dll"), "AllowSetForegroundWindow"); 210 if (asfw) asfw(/*ASFW_ANY*/(DWORD)(-1)); 211 #endif 212 a.sendMessage(cmdLine.join("#!#")); 213 return 0; 214 } 215 } 216 217 a.setApplicationName( TEXSTUDIO ); 218 #if (QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)) && defined(Q_OS_LINUX) 219 a.setDesktopFileName("texstudio"); 220 #endif 221 a.init(cmdLine); // Initialization takes place only if there is no other instance running. 222 223 QObject::connect(&a, SIGNAL(messageReceived(const QString &)), 224 a.mw, SLOT(onOtherInstanceMessage(const QString &))); 225 226 try { 227 int execResult = a.exec(); 228 #ifdef DEBUG_LOGGER 229 if (debugLoggerIsLogging()) { 230 debugLoggerStop(); 231 } 232 #endif 233 return execResult; 234 } catch (...) { 235 #ifndef NO_CRASH_HANDLER 236 catchUnhandledException(); 237 #endif 238 throw; 239 } 240 }