1 files changed, 17 insertions, 1 deletions
diff --git a/main.cpp b/main.cpp
index d1646e1..539130d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -9,10 +9,26 @@
 #include "gameplay.hpp"
 #include "menu_callbacks.hpp"
 
+class MainWindow : public Fl_Window {
+public:
+    MainWindow(int w, int h, const char *title) : Fl_Window(w, h, title) {}
+    /*
+     * Ending program by esc key while the computer is solving a puzzle
+     */
+    int handle(int event) {
+        if(event == FL_KEYDOWN && Fl::event_length() != 0 &&
+                                                Fl::event_key() == FL_Escape)
+        {
+               exit(0);
+        }
+        return Fl_Window::handle(event);
+    }
+};
+
 int main()
 {
     srand(time(nullptr));
-    Fl_Window *win = new Fl_Window(320, 355, "Picture puzzle");
+    MainWindow *win = new MainWindow(320, 355, "Picture puzzle");
     GameParams *params = GameParams::SetUpParams(win);
     Fl_Sys_Menu_Bar *sys_bar = new Fl_Sys_Menu_Bar(0, 0, 355, 20, nullptr);
     sys_bar->add("&File/&New game", nullptr, new_game_callback, params);