added timermanager, and std::pointers

cpp/ui/ncurses/hw/hwcurses.cpp

@@ -1,16 +1,15 @@
+#include <algorithm>
 #include <chrono>
 #include <cstdio>
 #include <ctime>
 #include <functional>
 #include <iostream>
+#include <memory>
 #include <ncurses.h>
-#include <unistd.h>
+#include <string>
 #include <thread>
-
-// dynamic, let's for loop hello
-/* let's add a timer
-   function "subscribes" to a function that omits a signal whenever a second has pased
-*/
+#include <unistd.h>
+#include <vector>
 
 /*
   todo
@@ -21,26 +20,32 @@
   centralize into event sender and subscriber
 */
 
+/*
+  find a way to eject timer
+  find a way to group timers into an object
+*/
+
 struct mysecondsdisplay {
   int intervalcount = 10;
   void myupdatedisplay() {
     intervalcount -= 1;
     mvprintw(intervalcount, intervalcount, "hello %d", intervalcount);
-    refresh();
     if (intervalcount < 1) {
       intervalcount = 10;
     }
   }
 };
 
-//calls callbackfunc on specified interval based on accumulated deltatime
+// calls callbackfunc on specified interval based on accumulated deltatime
 class timer {
 public:
+  std::string name;
   std::function<void()> callbackfunc;
 
-  timer(size_t interval_input, std::function<void()> callback): callbackfunc(callback), time_interval(interval_input){}
+  timer(std::string name, size_t interval_input, std::function<void()> callback)
+      : name(name), callbackfunc(callback), time_interval(interval_input) {}
 
-  //callbackfunc once enough time has accumulated
+  // callbackfunc once enough time has accumulated
   void updatetime(double DeltaTime) {
     accumulator += DeltaTime;
     if (accumulator >= time_interval) {
@@ -48,31 +53,53 @@ public:
       callbackfunc();
     }
   }
+
 private:
   double accumulator = 0;
-  size_t time_interval = 1; // only display every 1 seconds
+  double time_interval = 1; // only display every 1 seconds
+};
+
+// manage collection of timers
+class timermanager {
+  std::vector<std::unique_ptr<timer>> timers;
+
+public:
+  void addtimer(std::unique_ptr<timer> input_timer) {
+    timers.push_back(std::move(input_timer)); }
+
+  void updatetimers(double dtime) {
+    for (auto &mytimer : timers) {
+      mytimer->updatetime(dtime);
+      mvprintw(12, 0, "updated timer %s", mytimer->name.c_str());
+    };
+    refresh();
+  }
 };
 
 int main() {
   initscr();
-  nodelay(stdscr,FALSE);
+  nodelay(stdscr, FALSE);
   refresh();
   // printf("verification\n");
-  
+
   auto starttime = std::chrono::system_clock::now(); // initial starttime
   mysecondsdisplay secdisp;
-  timer clocktimer(1, [&]() { secdisp.myupdatedisplay();} );
-
-  //calculate delta between current and previous time
+  auto clocktimer = std::make_unique<timer>("secondsprinter", 1, [&]() { secdisp.myupdatedisplay(); });
+  timermanager mytimermanager;  
+  mytimermanager.addtimer(std::move(clocktimer));
+  
+  mvprintw(5, 5, "timer added");
+  // calculate delta between current and previous time
   while (true) {
     auto currenttime = std::chrono::system_clock::now();
     std::chrono::duration<double> myDeltaTime = currenttime - starttime;
     double dtime = myDeltaTime.count();
+    // mvprintw(11, 11, "dtime: %f", dtime);
+    //  clocktimer.updatetime(dtime);
+    mytimermanager.updatetimers(dtime);
 
-    clocktimer.updatetime(dtime);
-    
     starttime = currenttime;
-    std::this_thread::sleep_for(std::chrono::milliseconds(250));
+    std::this_thread::sleep_for(std::chrono::milliseconds(500));
   }
 
   getch();