131 lines
3.5 KiB
C++
131 lines
3.5 KiB
C++
#include <algorithm>
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#include <chrono>
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#include <clocale>
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#include <cstdio>
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#include <ctime>
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#include <functional>
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#include <iostream>
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#include <memory>
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#include <ncurses.h>
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#include <string>
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#include <thread>
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#include <unistd.h>
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#include <vector>
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/*
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todo
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figure out namespaces, using, and auto
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formalize timer struct
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read about std function and std bind
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try to do with objects / classes instead
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centralize into event sender and subscriber
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*/
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// calls callbackfunc on specified interval based on accumulated deltatime
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class timer {
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private:
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double accumulator = 0;
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int triggeramount = 0;
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double time_interval = 1; // only display every 1 seconds
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public:
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std::string name;
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int triggercounter = 0;
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bool is_infinite = false;
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std::function<void(const timer&)> callbackfunc;
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bool is_expired = false;
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//infinite timer
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timer(std::string name_input, size_t interval_input,
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std::function<void(const timer &)> callback_input)
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: time_interval(interval_input), name(name_input), is_infinite(true),
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callbackfunc(callback_input) {}
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//limited timer
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timer(std::string name, size_t interval_input, int triggeramount,
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std::function<void(const timer &)> callback)
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: triggeramount(triggeramount), time_interval(interval_input), name(name),
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callbackfunc(callback) {}
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// callbackfunc once enough time has accumulated
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void updatetime(double DeltaTime) {
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accumulator += DeltaTime;
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if (!is_expired) {
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if (accumulator >= time_interval) {
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callbackfunc(*this);
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accumulator -= time_interval;
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triggercounter++;
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if (!is_infinite && triggercounter >= triggeramount) {
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is_expired = true;
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}
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}
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}
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}
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};
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void myupdatedisplay(const timer &timer_input) {
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int x_offset = COLS / 4;
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mvprintw(timer_input.triggercounter, timer_input.triggercounter+x_offset, "test: █");
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}
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// manage collection of timers
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class timermanager {
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std::vector<std::unique_ptr<timer>> timers;
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public:
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void addtimer(std::unique_ptr<timer> input_timer) {
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timers.push_back(std::move(input_timer)); }
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void updatetimers(double dtime) {
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for (auto &mytimer : timers) {
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mytimer->updatetime(dtime);
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mvprintw(12, 0, "updated timer %s", mytimer->name.c_str());
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}
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timers.erase(std::remove_if(timers.begin(), timers.end(),
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[](auto &timer) { return timer->is_expired; }),
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timers.end());
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// implement delete timers
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;
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refresh();
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}
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};
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int main() {
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setlocale(LC_ALL, "");
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initscr();
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nodelay(stdscr, FALSE);
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refresh();
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start_color();
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init_pair(1, COLOR_BLUE, COLOR_WHITE);
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attron(COLOR_PAIR(1));
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printw("Hello World! 🌍 テスト 测试");
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const wchar_t wc = L'█';
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cchar_t c_char;
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setcchar(&c_char, &wc, A_NORMAL, 0, NULL);
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mvwvline_set(stdscr, 1, 1, &c_char, 5);
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// printf("verification\n");
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auto starttime = std::chrono::steady_clock::now(); // initial starttime
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auto clocktimer = std::make_unique<timer>("secondsprinter", 1, 10, myupdatedisplay);
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timermanager mytimermanager;
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mytimermanager.addtimer(std::move(clocktimer));
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mvprintw(5, 5, "timer added");
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// calculate delta between current and previous time
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while (true) {
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auto currenttime = std::chrono::steady_clock::now();
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std::chrono::duration<double> myDeltaTime = currenttime - starttime;
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double dtime = myDeltaTime.count();
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mytimermanager.updatetimers(dtime);
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starttime = currenttime;
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std::this_thread::sleep_for(std::chrono::milliseconds(500));
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}
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getch();
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endwin();
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return 0;
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}
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