99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
#include <curses.h> //ncurses windows
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#include <stdlib.h> //atexit
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#include <string.h> //memset
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#include <time.h> //time
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#include "nclock.h"
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#include "numbers.h"
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#include <unistd.h> //sleep
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#include <signal.h> //sigaction
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void handle_winch(int sig) {
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/* This function handles the console resizing */
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endwin();
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refresh();
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}
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int main(int argc, char **argv) {
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/* enable ncurses standard screen */
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initscr();
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atexit(quitProgram); //cleanup at exit
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/* Some look and feel changes */
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nonl(); //no newline
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keypad(stdscr, FALSE); //Disable the F1-12 keypad
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curs_set(0); //Disable the cursor
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//Windows resize handler
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struct sigaction sa;
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memset(&sa, 0, sizeof(struct sigaction));
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sa.sa_handler = handle_winch;
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sigaction(SIGWINCH, &sa, NULL);
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//Define the state struct
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state s = {0};
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//start the clock
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draw(&s);
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return 0;
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}
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void quitProgram(void) {
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endwin();
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}
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void initState(state *s) {
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getmaxyx(stdscr, s->maxy, s->maxx);
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s->centery = --s->maxy / 2;
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s->centerx = --s->maxx / 2;
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}
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void drawNumber(int starty, int startx, int num) {
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int i, j, numarr[2];
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for (i = 0; i < 2; i++) {
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numarr[i] = num % 10;
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num /= 10;
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}
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for (j = 0; j < 2; j++) {
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for (i = 0; i < 5; i++) {
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mvprintw(starty + i, startx + (6 * j), number[numarr[1 - j]][i]);
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}
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}
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}
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void drawColon(int starty, int startx) {
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int i;
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for (i = 0; i < 5; i++) {
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mvprintw(starty + i, startx, colon[i]);
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}
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}
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void drawTime(state *s, int hour, int min, int sec) {
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int newcenty = s->centery - 3; //start above the center
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/* center X: */
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/* (3 Nuberpairs + 2 colons) / 2 */
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int newcentx = s->centerx - ((3 * NUMBERPAIR + 2 * COLONSPACE) / 2);
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/* hour */
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drawNumber(newcenty, newcentx, hour);
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drawColon(newcenty, newcentx + NUMBERPAIR);
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/* minute */
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drawNumber(newcenty, newcentx + NUMBERPAIR + COLONSPACE, min);
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drawColon(newcenty, newcentx + NUMBERPAIR * 2 + COLONSPACE);
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drawNumber(newcenty, newcentx + NUMBERPAIR * 2 + COLONSPACE * 2, sec);
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}
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void draw(state *s) {
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time_t timer;
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struct tm *curTime;
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while (1) {
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time(&timer);
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curTime = localtime(&timer);
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initState(s); //This will manage the refresh of center positions on resizing.
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clear(); //because there were some artifacts
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drawTime(s, curTime->tm_hour, curTime->tm_min, curTime->tm_sec);
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refresh();
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sleep(1);
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}
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}
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