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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 2 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 <stdlib.h>
#include "clock.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) {
free(screen);
return NULL;
}
curs_set(0); /* Ignore errors. */
screen->clock = clock_new(screen->win);
if (screen->clock == NULL) {
free(screen);
return NULL;
}
return screen;
}
void
screen_draw(struct screen *screen)
{
assert(screen);
clock_draw(screen->clock);
refresh();
}
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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