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/*
* Terminal screen functions
*
* Copyright (C) 2019 Patrick McDermott
*
* This file is part of Timeteller.
*
* Timeteller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Timeteller is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Timeteller. If not, see <http://www.gnu.org/licenses/>.
*/
#include "screen.h"
#include <assert.h>
#include <curses.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include "clock.h"
#include "speech.h"
struct screen {
WINDOW *win;
struct clock *clock;
};
struct screen *
screen_new(void)
{
struct screen *screen;
screen = calloc(1, sizeof(*screen));
if (screen == NULL) {
return NULL;
}
screen->win = initscr(); /* On failure, does not return. */
if (noecho() == ERR || raw() == ERR || nodelay(screen->win, TRUE)) {
free(screen);
return NULL;
}
curs_set(0); /* Ignore errors. */
if (has_colors() && start_color() != ERR) {
init_pair(1, COLOR_RED, COLOR_BLACK);
wcolor_set(screen->win, 1, NULL);
}
screen->clock = clock_new(screen->win);
if (screen->clock == NULL) {
free(screen);
return NULL;
}
return screen;
}
bool
screen_main(struct screen *screen, struct speech *speech)
{
bool play;
assert(screen);
assert(speech);
for (;;) {
switch (wgetch(screen->win)) {
case ERR:
break;
case 'q':
return true;
case 0x1B: /* ASCII ESC */
if (wgetch(screen->win) == ERR) { /* Esc key */
return true;
}
/* Probably a CSI sequence */
while (wgetch(screen->win) != ERR);
play = true;
break;
default:
/* Just to be safe: */
while (wgetch(screen->win) != ERR);
play = true;
}
clock_draw(screen->clock);
refresh();
if (play) {
speech_play_time(speech);
play = false;
} else {
sleep(1);
}
}
return true;
}
struct screen *
screen_destroy(struct screen **screen_p)
{
struct screen *screen;
assert(screen_p && *screen_p);
screen = *screen_p;
delwin(screen->win);
endwin();
clock_destroy(&screen->clock);
free(screen);
return screen = NULL;
}
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