Add sigint and sigterm handle

MainWindow.h

@@ -5,6 +5,7 @@
 #include <QStackedWidget>
 #include <QPixmap>
 #include <QSettings>
+#include <atomic>
 
 #include "HomePage.h"
 #include "Homologation.h"
@@ -32,6 +33,10 @@ public:
 
     void turnOnTheWindow();
 
+    bool shouldStop() const { return _shouldStop; }
+
+    void setShouldStop(bool value) { _shouldStop = value; }
+
 protected slots:
     void onHomePressed();
 
@@ -70,4 +75,6 @@ private:
 
     MyTCPClient* tcpClient;
     QSettings* settings;
+
+    std::atomic<bool> _shouldStop = false;
 };

main.cpp

@@ -2,10 +2,24 @@
 #include <QApplication>
 #include <QObject>
 #include <QThread>
+#include <atomic>
+#include <csignal>
 
 #include "MainWindow.h"
 
+MainWindow* mainWindowPtr = nullptr;
+
+void signalHandler(int signum) {
+    if(mainWindowPtr != nullptr){
+        mainWindowPtr->setShouldStop(true);
+    }
+}
+
 int main(int argc, char* argv[]) {
+
+    signal(SIGINT, signalHandler);
+    signal(SIGTERM, signalHandler);
+
     QApplication a(argc, argv);
 
     DisplayMode mode;
@@ -31,6 +45,22 @@ int main(int argc, char* argv[]) {
     }
 
     auto* main = new MainWindow("127.0.0.1", port);
+    mainWindowPtr = main;
+
+    try{
+        main->setDisplayMode(mode);
+
+        while(!main->shouldStop()){
+            usleep(100'000);
+        }
+
+        delete main;
+    }
+    catch(const std::exception& e){
+        std::cerr << e.what() << std::endl;
+        delete main;
+        return 1;
+    }
 
     main->setDisplayMode(mode);