cleanup

src/main.cpp

@@ -0,0 +1,31 @@
+#include "mainwindow.h"
+#include "imageselector.h"
+#include <QApplication>
+#include <iostream>
+#include <sys/file.h>
+#include <errno.h>
+
+int main(int argc, char *argv[])
+{
+
+    int pid_file = open("/tmp/slide.pid", O_CREAT | O_RDWR, 0666);
+    int rc = flock(pid_file, LOCK_EX | LOCK_NB);
+    if(rc) {
+        if(EWOULDBLOCK == errno) {
+            std::cout << "Already running. Exiting" << std::endl;
+            return 0;
+        }
+    }
+    if (argc < 2) {
+        std::cout << "Error: Path expected." << std::endl;
+        return 1;
+    }
+    QApplication a(argc, argv);
+
+    MainWindow w;
+    w.show();
+
+    ImageSelector is(w, 30000, argv[1]);
+    is.start();
+    return a.exec();
+}