went from callback lambda to class with update function (command pattern?) so it can keep state. (to bypass for loop by counting iterations)

implemented reversing array and "animating" it

cpp/ui/ncurses/hw/hwcurses.cpp

@@ -1,5 +1,7 @@
+#include "timer.hpp"
 #include <algorithm>
 #include <chrono>
+#include <clocale>
 #include <cstdio>
 #include <ctime>
 #include <functional>
@@ -9,6 +11,7 @@
 #include <string>
 #include <thread>
 #include <unistd.h>
+#include <utility>
 #include <vector>
 
 /*
@@ -20,84 +23,68 @@
   centralize into event sender and subscriber
 */
 
-/*
-  find a way to eject timer
-  find a way to group timers into an object
-*/
+void myupdatedisplay(const timer &timer_input) {
+  int x_offset = COLS / 4;
+  mvprintw(timer_input.triggercounter, timer_input.triggercounter + x_offset,
+           "test: █");
+}
 
-struct mysecondsdisplay {
-  int intervalcount = 10;
-  void myupdatedisplay() {
-    intervalcount -= 1;
-    mvprintw(intervalcount, intervalcount, "hello %d", intervalcount);
-    if (intervalcount < 1) {
-      intervalcount = 10;
-    }
+std::vector<int> mynumbers = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+
+void swapnumbers(std::vector<int> &input_numbers) {
+  for (size_t i = 0; i < input_numbers.size() / 2; ++i) {
+    int temp = input_numbers[i];
+    input_numbers[i] = input_numbers[input_numbers.size() -1 - i];
+    input_numbers[input_numbers.size() -1 - i] = temp;
   }
-};
+}
 
-// calls callbackfunc on specified interval based on accumulated deltatime
-class timer {
-public:
-  std::string name;
-  std::function<void()> callbackfunc;
-
-  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
-  void updatetime(double DeltaTime) {
-    accumulator += DeltaTime;
-    if (accumulator >= time_interval) {
-      accumulator -= time_interval;
-      callbackfunc();
-    }
+void displaynumbers(int myy, std::vector<int> &input_numbers){
+  for (size_t i = 0; i < input_numbers.size(); i++) {
+    mvprintw(myy, 10+i, "%d,", input_numbers[i]);
+  }
   }
 
-private:
-  double accumulator = 0;
-  double time_interval = 1; // only display every 1 seconds
-};
+void createbalk(const timer &timer_input, cchar_t &input_char) {
+  int ticnt = timer_input.triggercounter;
+  mvwvline_set(stdscr, LINES - ticnt, ticnt, &input_char, ticnt);
+}
 
-// 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() {
+void myinitialize(){
+  setlocale(LC_ALL, "");
   initscr();
   nodelay(stdscr, FALSE);
   refresh();
-  // printf("verification\n");
+  start_color();
+  init_pair(1, COLOR_BLUE, COLOR_WHITE);
+  attron(COLOR_PAIR(1));
+  printw("Hello World! 🌍 テスト 测试");
+  }
 
-  auto starttime = std::chrono::system_clock::now(); // initial starttime
-  mysecondsdisplay secdisp;
-  auto clocktimer = std::make_unique<timer>("secondsprinter", 1, [&]() { secdisp.myupdatedisplay(); });
-  timermanager mytimermanager;  
-  mytimermanager.addtimer(std::move(clocktimer));
+int main() {
+  myinitialize();
+  const wchar_t mywch = L'█';
+  cchar_t myc_char;
+  setcchar(&myc_char, &mywch, A_NORMAL, 0, NULL);
+  // printf("verification\n");
+  auto starttime = std::chrono::steady_clock::now(); // initial starttime
   
+  auto myaction = std::make_unique<swapaction>(mynumbers);
+  auto clocktimer = std::make_unique<timer>(
+      "secondsprinter", 1, 10,
+      std::move(myaction));
+  timermanager mytimermanager;
+  mytimermanager.addtimer(std::move(clocktimer));
+  //swapnumbers(mynumbers);
+  displaynumbers(2,mynumbers);
   mvprintw(5, 5, "timer added");
   // calculate delta between current and previous time
   while (true) {
-    auto currenttime = std::chrono::system_clock::now();
+    auto currenttime = std::chrono::steady_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);
-
+	displaynumbers(3,mynumbers);
     starttime = currenttime;
     std::this_thread::sleep_for(std::chrono::milliseconds(500));
   }

cpp/ui/ncurses/hw/timer.cpp

@@ -0,0 +1,64 @@
+// calls callbackfunc on specified interval based on accumulated deltatime
+#include "timer.hpp"
+#include <algorithm>
+#include <cstddef>
+#include <functional>
+#include <memory>
+#include <ncurses.h>
+#include <string>
+#include <vector>
+
+// infinite timer
+timer::timer(std::string name_input, size_t interval_input,
+             std::unique_ptr<timeraction> action_input)
+    : time_interval(interval_input), name(name_input), is_infinite(true),
+      action(std::move(action_input)) {}
+
+// limited timer
+timer::timer(std::string name, size_t interval_input, int triggeramount,
+             std::unique_ptr<timeraction> action_input)
+    : triggeramount(triggeramount), time_interval(interval_input), name(name),
+      action(std::move(action_input)) {}
+
+// callbackfunc once enough time has accumulated
+void timer::updatetime(double DeltaTime) {
+  accumulator += DeltaTime;
+  if (!is_expired) {
+    if (accumulator >= time_interval) {
+      action->update(*this);
+      accumulator -= time_interval;
+      triggercounter++;
+      if (!is_infinite && triggercounter >= triggeramount) {
+        is_expired = true;
+      }
+    }
+  }
+}
+
+void timermanager::addtimer(std::unique_ptr<timer> input_timer) {
+  timers.push_back(std::move(input_timer));
+}
+
+void timermanager::updatetimers(double dtime) {
+  for (auto &mytimer : timers) {
+    mytimer->updatetime(dtime);
+    mvprintw(12, 0, "updated timer %s", mytimer->name.c_str());
+  }
+  timers.erase(std::remove_if(timers.begin(), timers.end(),
+                              [](auto &timer) { return timer->is_expired; }),
+               timers.end());
+  // implement delete timers
+  refresh();
+}
+
+swapaction::swapaction(std::vector<int> &input_vector): input_vector(input_vector){}
+
+void swapaction::update(const timer &input_timer){
+  if (!iscomplete) {
+	int temp = input_vector[it_i];
+    input_vector[it_i] = input_vector[input_vector.size() -1 - it_i];
+    input_vector[input_vector.size() - 1 - it_i] = temp;
+    it_i++;
+    if(it_i>=input_vector.size() / 2){iscomplete=true;}
+  }
+}

cpp/ui/ncurses/hw/timer.hpp

@@ -0,0 +1,72 @@
+#ifndef TIMER_HPP
+#define TIMER_HPP
+
+#include <cstddef>
+#include <functional>
+#include <memory>
+#include <ncurses.h>
+#include <string>
+#include <vector>
+
+class timer;
+
+class timeraction {
+public:
+  virtual ~timeraction() = default;
+  virtual void update(const timer &t) = 0;
+};
+
+class timer {
+private:
+  double accumulator = 0;
+  int triggeramount = 0;
+  double time_interval = 1; // only display every 1 seconds
+ 
+ 
+public:
+  std::string name;
+  int triggercounter = 0;
+  bool is_infinite = false;
+  std::unique_ptr<timeraction> action;
+  bool is_expired = false;
+
+
+  //infinite timer
+  timer(std::string name_input, size_t interval_input,
+		std::unique_ptr<timeraction> action_input        
+        );
+  
+  //limited timer
+  timer(std::string name, size_t interval_input, int triggeramount,
+        std::unique_ptr<timeraction> action
+        );
+  // callbackfunc once enough time has accumulated
+  void updatetime(double DeltaTime);
+};
+
+// manage collection of timers
+class timermanager {
+  std::vector<std::unique_ptr<timer>> timers;
+
+public:
+  void addtimer(std::unique_ptr<timer> input_timer);
+
+  void updatetimers(double dtime);
+};
+
+class swapaction : public timeraction {
+public:  
+  size_t it_i = 0;
+  bool iscomplete = false;
+  std::vector<int> &input_vector;
+  swapaction(std::vector<int> &input_vector);
+  void update(const timer &t);
+};
+
+
+#endif
+
+
+/*
+externalize state
+*/