+void showWindow(QtSingleApplication &app, const QString &dataDir) {
+ MainWindow *mainWin = new MainWindow();
+
+#ifndef APP_MAC
+ QIcon appIcon;
+ if (QDir(dataDir).exists()) {
+ appIcon = IconUtils::icon(Constants::UNIX_NAME);
+ } else {
+ QString dataDir = qApp->applicationDirPath() + "/data";
+ const int iconSizes [] = { 16, 22, 32, 48, 64, 128, 256, 512 };
+ for (int i = 0; i < 8; i++) {
+ QString size = QString::number(iconSizes[i]);
+ QString png = dataDir + "/" + size + "x" + size + "/" + Constants::UNIX_NAME + ".png";
+ appIcon.addFile(png, QSize(iconSizes[i], iconSizes[i]));
+ }
+ }
+ if (appIcon.isNull()) appIcon.addFile(":/images/app.png");
+ mainWin->setWindowIcon(appIcon);
+#endif
+
+ mainWin->connect(&app, SIGNAL(messageReceived(const QString &)),
+ mainWin, SLOT(messageReceived(const QString &)));
+ app.setActivationWindow(mainWin, true);
+
+ mainWin->show();
+}
+