main.cpp

   1 #include <QtGui>
   2 #include <signal.h>
   3 #include "sak.h"
   4
   5 void sighandler(int signum) {
   6     static bool quitting = false;
   7     qDebug() << "SAK: caught signal " << signum;
   8     signal(signum, SIG_IGN);
   9     if (!quitting) {
  10         quitting = true;
  11         qApp->quit();
  12     }
  13 }
  14
  15
  16 class MySplashScreen : public QSplashScreen
  17 {
  18 public:
  19      MySplashScreen(const QPixmap & px) : QSplashScreen(px) {}
  20 protected:
  21      void timerEvent(QTimerEvent*) { hide(); deleteLater(); }
  22 };
  23
  24
  25 int main(int argc, char** argv)
  26 {
  27     QApplication app (argc, argv);
  28
  29 #ifdef Q_OS_LINUX
  30     app.setGraphicsSystem("raster");
  31 #endif
  32
  33     if (!QSystemTrayIcon::isSystemTrayAvailable()) {
  34         QMessageBox::critical(0, QObject::tr("Systray"),
  35                               QObject::tr("I couldn't detect any system tray "
  36                                           "on this system."));
  37         return 1;
  38     }
  39
  40 #if 0
  41     signal(SIGINT, sighandler);\v
  42 #ifdef Q_OS_LINUX
  43     signal(SIGQUIT, sighandler);
  44 #endif
  45     signal(SIGILL, sighandler);
  46     signal(SIGABRT, sighandler);
  47     signal(SIGFPE, sighandler);
  48     signal(SIGSEGV, sighandler);
  49     signal(SIGTERM, sighandler);
  50 #endif
  51
  52     QFile lockFile(QDir::homePath() + QDir::separator() + ".sak.run");
  53     if (lockFile.exists()) {
  54         if ( QMessageBox::question(0, "Another instance of SAK is running ", "Another instance of SAK seems to be running right now. Proceeding with this new instance may results in data loss / corruptions. Do you want to proceed?", QMessageBox::Yes | QMessageBox::No , QMessageBox::No) == QMessageBox::No)
  55             return -1;
  56         else {
  57             QFile::remove(lockFile.fileName());
  58         }
  59     }
  60     lockFile.open(QIODevice::ReadWrite);
  61
  62 #ifdef CENSORED
  63     QPixmap px(":/images/active.png");
  64 #else
  65     QPixmap px(":/images/splash.png");
  66 #endif
  67     MySplashScreen* splash = new MySplashScreen(px);
  68     splash->setMask(px.createMaskFromColor(QColor(0,0,0,0), Qt::MaskInColor));
  69     splash->show();
  70     splash->startTimer(2000);
  71     app.processEvents();
  72     Sak sak;
  73     bool rc = app.exec();
  74
  75     lockFile.close();
  76     QFile::remove(lockFile.fileName());
  77     return rc;
  78 }