added constructor to timer and implemented basic ncurses again

cpp/ui/ncurses/hw/hwcurses.cpp

@@ -11,12 +11,6 @@
 /* let's add a timer
    function "subscribes" to a function that omits a signal whenever a second has pased
 */
-// void printhellos(int inputnumber) {
-//   for (int i = 0; i < inputnumber; i++) {
-//     mvprintw(i, 10, "hello %d", i);
-//     refresh();
-//   }
-// }
 
 /*
   todo
@@ -28,62 +22,61 @@
 */
 
 struct mysecondsdisplay {
-  int currenttime = 10;
+  int intervalcount = 10;
   void myupdatedisplay() {
-    currenttime -= 1;
-    printf("time: %d\n", currenttime);
-    if (currenttime < 1) {
-      currenttime = 10;
+    intervalcount -= 1;
+    mvprintw(intervalcount, intervalcount, "hello %d", intervalcount);
+    refresh();
+    if (intervalcount < 1) {
+      intervalcount = 10;
     }
   }
 };
 
 //calls callbackfunc on specified interval based on accumulated deltatime
 class timer {
-
 public:
   std::function<void()> callbackfunc;
 
-  timer(size_t interval_input): interval(interval_input){}
-  
+  timer(size_t interval_input, std::function<void()> callback): callbackfunc(callback), time_interval(interval_input){}
+
+  //callbackfunc once enough time has accumulated
   void updatetime(double DeltaTime) {
     accumulator += DeltaTime;
-    printf("accumulated: %f\n", accumulator);
-    if (accumulator >= interval) {
-      printf("interval\n");
-      accumulator = 0;
+    if (accumulator >= time_interval) {
+      accumulator -= time_interval;
       callbackfunc();
     }
   }
-
 private:
   double accumulator = 0;
-  size_t interval = 1; // only display every 1 seconds
+  size_t time_interval = 1; // only display every 1 seconds
 };
 
 int main() {
-  // initscr();
-  // nodelay(stdscr,FALSE);
-  // move(11, 26);
-  // printw("Hello curses");
-  // refresh();
-  printf("verification\n");
-  auto starttime = std::chrono::system_clock::now();
-  timer clocktimer(1);
+  initscr();
+  nodelay(stdscr,FALSE);
+  refresh();
+  // printf("verification\n");
+  
+  auto starttime = std::chrono::system_clock::now(); // initial starttime
   mysecondsdisplay secdisp;
-  clocktimer.callbackfunc = [&]() { secdisp.myupdatedisplay(); };
+  timer clocktimer(1, [&]() { secdisp.myupdatedisplay();} );
+
+  //calculate delta between current and previous time
   while (true) {
     auto currenttime = std::chrono::system_clock::now();
     std::chrono::duration<double> myDeltaTime = currenttime - starttime;
-    double DoubleDeltaTime = myDeltaTime.count();
-    clocktimer.updatetime(DoubleDeltaTime);
-    printf("deltatime:%f\n", DoubleDeltaTime);
+    double dtime = myDeltaTime.count();
+
+    clocktimer.updatetime(dtime);
+    
     starttime = currenttime;
     std::this_thread::sleep_for(std::chrono::milliseconds(250));
   }
 
-  // getch();
-  // endwin();
+  getch();
+  endwin();
 
   return 0;
 }