xref: /openbsd-src/usr.bin/tmux/window-clock.c (revision 83e83a916d5ed21d40583fd5e97426cf6f88d477)
1*83e83a91Snicm /* $OpenBSD: window-clock.c,v 1.29 2020/05/16 15:34:08 nicm Exp $ */
2311827fbSnicm 
3311827fbSnicm /*
498ca8272Snicm  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
5311827fbSnicm  *
6311827fbSnicm  * Permission to use, copy, modify, and distribute this software for any
7311827fbSnicm  * purpose with or without fee is hereby granted, provided that the above
8311827fbSnicm  * copyright notice and this permission notice appear in all copies.
9311827fbSnicm  *
10311827fbSnicm  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11311827fbSnicm  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12311827fbSnicm  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13311827fbSnicm  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14311827fbSnicm  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15311827fbSnicm  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16311827fbSnicm  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17311827fbSnicm  */
18311827fbSnicm 
19311827fbSnicm #include <sys/types.h>
20311827fbSnicm 
217d053cf9Snicm #include <stdlib.h>
22311827fbSnicm #include <string.h>
23311827fbSnicm #include <time.h>
24311827fbSnicm 
25311827fbSnicm #include "tmux.h"
26311827fbSnicm 
2730a94f45Snicm static struct screen *window_clock_init(struct window_mode_entry *,
28a42faf7dSnicm 		    struct cmd_find_state *, struct args *);
2930a94f45Snicm static void	window_clock_free(struct window_mode_entry *);
3030a94f45Snicm static void	window_clock_resize(struct window_mode_entry *, u_int, u_int);
3130a94f45Snicm static void	window_clock_key(struct window_mode_entry *, struct client *,
32bf52409eSnicm 		     struct session *, struct winlink *, key_code,
33bf52409eSnicm 		     struct mouse_event *);
34311827fbSnicm 
35dc1f0f5fSnicm static void	window_clock_timer_callback(int, short, void *);
3630a94f45Snicm static void	window_clock_draw_screen(struct window_mode_entry *);
37311827fbSnicm 
38311827fbSnicm const struct window_mode window_clock_mode = {
394fad4d31Snicm 	.name = "clock-mode",
404fad4d31Snicm 
41576538d5Snicm 	.init = window_clock_init,
42576538d5Snicm 	.free = window_clock_free,
43576538d5Snicm 	.resize = window_clock_resize,
44576538d5Snicm 	.key = window_clock_key,
45311827fbSnicm };
46311827fbSnicm 
47311827fbSnicm struct window_clock_mode_data {
48311827fbSnicm 	struct screen	        screen;
49311827fbSnicm 	time_t			tim;
50c439b3e0Snicm 	struct event		timer;
51311827fbSnicm };
52311827fbSnicm 
5356def5a9Snicm const char window_clock_table[14][5][5] = {
5456def5a9Snicm 	{ { 1,1,1,1,1 }, /* 0 */
5556def5a9Snicm 	  { 1,0,0,0,1 },
5656def5a9Snicm 	  { 1,0,0,0,1 },
5756def5a9Snicm 	  { 1,0,0,0,1 },
5856def5a9Snicm 	  { 1,1,1,1,1 } },
5956def5a9Snicm 	{ { 0,0,0,0,1 }, /* 1 */
6056def5a9Snicm 	  { 0,0,0,0,1 },
6156def5a9Snicm 	  { 0,0,0,0,1 },
6256def5a9Snicm 	  { 0,0,0,0,1 },
6356def5a9Snicm 	  { 0,0,0,0,1 } },
6456def5a9Snicm 	{ { 1,1,1,1,1 }, /* 2 */
6556def5a9Snicm 	  { 0,0,0,0,1 },
6656def5a9Snicm 	  { 1,1,1,1,1 },
6756def5a9Snicm 	  { 1,0,0,0,0 },
6856def5a9Snicm 	  { 1,1,1,1,1 } },
6956def5a9Snicm 	{ { 1,1,1,1,1 }, /* 3 */
7056def5a9Snicm 	  { 0,0,0,0,1 },
7156def5a9Snicm 	  { 1,1,1,1,1 },
7256def5a9Snicm 	  { 0,0,0,0,1 },
7356def5a9Snicm 	  { 1,1,1,1,1 } },
7456def5a9Snicm 	{ { 1,0,0,0,1 }, /* 4 */
7556def5a9Snicm 	  { 1,0,0,0,1 },
7656def5a9Snicm 	  { 1,1,1,1,1 },
7756def5a9Snicm 	  { 0,0,0,0,1 },
7856def5a9Snicm 	  { 0,0,0,0,1 } },
7956def5a9Snicm 	{ { 1,1,1,1,1 }, /* 5 */
8056def5a9Snicm 	  { 1,0,0,0,0 },
8156def5a9Snicm 	  { 1,1,1,1,1 },
8256def5a9Snicm 	  { 0,0,0,0,1 },
8356def5a9Snicm 	  { 1,1,1,1,1 } },
8456def5a9Snicm 	{ { 1,1,1,1,1 }, /* 6 */
8556def5a9Snicm 	  { 1,0,0,0,0 },
8656def5a9Snicm 	  { 1,1,1,1,1 },
8756def5a9Snicm 	  { 1,0,0,0,1 },
8856def5a9Snicm 	  { 1,1,1,1,1 } },
8956def5a9Snicm 	{ { 1,1,1,1,1 }, /* 7 */
9056def5a9Snicm 	  { 0,0,0,0,1 },
9156def5a9Snicm 	  { 0,0,0,0,1 },
9256def5a9Snicm 	  { 0,0,0,0,1 },
9356def5a9Snicm 	  { 0,0,0,0,1 } },
9456def5a9Snicm 	{ { 1,1,1,1,1 }, /* 8 */
9556def5a9Snicm 	  { 1,0,0,0,1 },
9656def5a9Snicm 	  { 1,1,1,1,1 },
9756def5a9Snicm 	  { 1,0,0,0,1 },
9856def5a9Snicm 	  { 1,1,1,1,1 } },
9956def5a9Snicm 	{ { 1,1,1,1,1 }, /* 9 */
10056def5a9Snicm 	  { 1,0,0,0,1 },
10156def5a9Snicm 	  { 1,1,1,1,1 },
10256def5a9Snicm 	  { 0,0,0,0,1 },
10356def5a9Snicm 	  { 1,1,1,1,1 } },
10456def5a9Snicm 	{ { 0,0,0,0,0 }, /* : */
10556def5a9Snicm 	  { 0,0,1,0,0 },
10656def5a9Snicm 	  { 0,0,0,0,0 },
10756def5a9Snicm 	  { 0,0,1,0,0 },
10856def5a9Snicm 	  { 0,0,0,0,0 } },
10956def5a9Snicm 	{ { 1,1,1,1,1 }, /* A */
11056def5a9Snicm 	  { 1,0,0,0,1 },
11156def5a9Snicm 	  { 1,1,1,1,1 },
11256def5a9Snicm 	  { 1,0,0,0,1 },
11356def5a9Snicm 	  { 1,0,0,0,1 } },
11456def5a9Snicm 	{ { 1,1,1,1,1 }, /* P */
11556def5a9Snicm 	  { 1,0,0,0,1 },
11656def5a9Snicm 	  { 1,1,1,1,1 },
11756def5a9Snicm 	  { 1,0,0,0,0 },
11856def5a9Snicm 	  { 1,0,0,0,0 } },
11956def5a9Snicm 	{ { 1,0,0,0,1 }, /* M */
12056def5a9Snicm 	  { 1,1,0,1,1 },
12156def5a9Snicm 	  { 1,0,1,0,1 },
12256def5a9Snicm 	  { 1,0,0,0,1 },
12356def5a9Snicm 	  { 1,0,0,0,1 } },
12456def5a9Snicm };
12556def5a9Snicm 
126dc1f0f5fSnicm static void
window_clock_timer_callback(__unused int fd,__unused short events,void * arg)127d0e2e7f1Snicm window_clock_timer_callback(__unused int fd, __unused short events, void *arg)
128c439b3e0Snicm {
12930a94f45Snicm 	struct window_mode_entry	*wme = arg;
13030a94f45Snicm 	struct window_pane		*wp = wme->wp;
13130a94f45Snicm 	struct window_clock_mode_data	*data = wme->data;
132c439b3e0Snicm 	struct tm			 now, then;
133c439b3e0Snicm 	time_t				 t;
134c439b3e0Snicm 	struct timeval			 tv = { .tv_sec = 1 };
135c439b3e0Snicm 
136c439b3e0Snicm 	evtimer_del(&data->timer);
137c439b3e0Snicm 	evtimer_add(&data->timer, &tv);
138c439b3e0Snicm 
1392c8678f7Snicm 	if (TAILQ_FIRST(&wp->modes) != wme)
1402c8678f7Snicm 		return;
1412c8678f7Snicm 
142c439b3e0Snicm 	t = time(NULL);
143c439b3e0Snicm 	gmtime_r(&t, &now);
144c439b3e0Snicm 	gmtime_r(&data->tim, &then);
145c439b3e0Snicm 	if (now.tm_min == then.tm_min)
146c439b3e0Snicm 		return;
147c439b3e0Snicm 	data->tim = t;
148c439b3e0Snicm 
14930a94f45Snicm 	window_clock_draw_screen(wme);
1502c8678f7Snicm 	wp->flags |= PANE_REDRAW;
151c439b3e0Snicm }
152c439b3e0Snicm 
153dc1f0f5fSnicm static struct screen *
window_clock_init(struct window_mode_entry * wme,__unused struct cmd_find_state * fs,__unused struct args * args)15430a94f45Snicm window_clock_init(struct window_mode_entry *wme,
15530a94f45Snicm     __unused struct cmd_find_state *fs, __unused struct args *args)
156311827fbSnicm {
15730a94f45Snicm 	struct window_pane		*wp = wme->wp;
158311827fbSnicm 	struct window_clock_mode_data	*data;
159311827fbSnicm 	struct screen			*s;
160c439b3e0Snicm 	struct timeval			 tv = { .tv_sec = 1 };
161311827fbSnicm 
16230a94f45Snicm 	wme->data = data = xmalloc(sizeof *data);
163311827fbSnicm 	data->tim = time(NULL);
164311827fbSnicm 
16530a94f45Snicm 	evtimer_set(&data->timer, window_clock_timer_callback, wme);
166c439b3e0Snicm 	evtimer_add(&data->timer, &tv);
167c439b3e0Snicm 
168311827fbSnicm 	s = &data->screen;
169311827fbSnicm 	screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
170311827fbSnicm 	s->mode &= ~MODE_CURSOR;
171311827fbSnicm 
17230a94f45Snicm 	window_clock_draw_screen(wme);
173311827fbSnicm 
174311827fbSnicm 	return (s);
175311827fbSnicm }
176311827fbSnicm 
177dc1f0f5fSnicm static void
window_clock_free(struct window_mode_entry * wme)17830a94f45Snicm window_clock_free(struct window_mode_entry *wme)
179311827fbSnicm {
18030a94f45Snicm 	struct window_clock_mode_data	*data = wme->data;
181311827fbSnicm 
182c439b3e0Snicm 	evtimer_del(&data->timer);
183311827fbSnicm 	screen_free(&data->screen);
1847d053cf9Snicm 	free(data);
185311827fbSnicm }
186311827fbSnicm 
187dc1f0f5fSnicm static void
window_clock_resize(struct window_mode_entry * wme,u_int sx,u_int sy)18830a94f45Snicm window_clock_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
189311827fbSnicm {
19030a94f45Snicm 	struct window_clock_mode_data	*data = wme->data;
191311827fbSnicm 	struct screen			*s = &data->screen;
192311827fbSnicm 
193db4b44a2Snicm 	screen_resize(s, sx, sy, 0);
19430a94f45Snicm 	window_clock_draw_screen(wme);
195311827fbSnicm }
196311827fbSnicm 
197dc1f0f5fSnicm static void
window_clock_key(struct window_mode_entry * wme,__unused struct client * c,__unused struct session * s,__unused struct winlink * wl,__unused key_code key,__unused struct mouse_event * m)19830a94f45Snicm window_clock_key(struct window_mode_entry *wme, __unused struct client *c,
199bf52409eSnicm     __unused struct session *s, __unused struct winlink *wl,
200bf52409eSnicm     __unused key_code key, __unused struct mouse_event *m)
201311827fbSnicm {
20230a94f45Snicm 	window_pane_reset_mode(wme->wp);
203311827fbSnicm }
204311827fbSnicm 
205dc1f0f5fSnicm static void
window_clock_draw_screen(struct window_mode_entry * wme)20630a94f45Snicm window_clock_draw_screen(struct window_mode_entry *wme)
207311827fbSnicm {
20830a94f45Snicm 	struct window_pane		*wp = wme->wp;
20930a94f45Snicm 	struct window_clock_mode_data	*data = wme->data;
210311827fbSnicm 	struct screen_write_ctx	 	 ctx;
21187d8839fSnicm 	int				 colour, style;
21256def5a9Snicm 	struct screen			*s = &data->screen;
21356def5a9Snicm 	struct grid_cell		 gc;
21456def5a9Snicm 	char				 tim[64], *ptr;
21556def5a9Snicm 	time_t				 t;
21656def5a9Snicm 	struct tm			*tm;
21756def5a9Snicm 	u_int				 i, j, x, y, idx;
218311827fbSnicm 
219d89252e5Snicm 	colour = options_get_number(wp->window->options, "clock-mode-colour");
220d89252e5Snicm 	style = options_get_number(wp->window->options, "clock-mode-style");
221311827fbSnicm 
222*83e83a91Snicm 	screen_write_start(&ctx, s);
22356def5a9Snicm 
22456def5a9Snicm 	t = time(NULL);
22556def5a9Snicm 	tm = localtime(&t);
22656def5a9Snicm 	if (style == 0) {
22756def5a9Snicm 		strftime(tim, sizeof tim, "%l:%M ", localtime(&t));
22856def5a9Snicm 		if (tm->tm_hour >= 12)
22956def5a9Snicm 			strlcat(tim, "PM", sizeof tim);
23056def5a9Snicm 		else
23156def5a9Snicm 			strlcat(tim, "AM", sizeof tim);
23256def5a9Snicm 	} else
23356def5a9Snicm 		strftime(tim, sizeof tim, "%H:%M", tm);
23456def5a9Snicm 
235ae4624e7Snicm 	screen_write_clearscreen(&ctx, 8);
23656def5a9Snicm 
23756def5a9Snicm 	if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) {
23856def5a9Snicm 		if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) {
23956def5a9Snicm 			x = (screen_size_x(s) / 2) - (strlen(tim) / 2);
24056def5a9Snicm 			y = screen_size_y(s) / 2;
2415c6c7001Snicm 			screen_write_cursormove(&ctx, x, y, 0);
24256def5a9Snicm 
24356def5a9Snicm 			memcpy(&gc, &grid_default_cell, sizeof gc);
244e16c1698Snicm 			gc.flags |= GRID_FLAG_NOPALETTE;
24592c661c5Snicm 			gc.fg = colour;
24656def5a9Snicm 			screen_write_puts(&ctx, &gc, "%s", tim);
24756def5a9Snicm 		}
24856def5a9Snicm 
24956def5a9Snicm 		screen_write_stop(&ctx);
25056def5a9Snicm 		return;
25156def5a9Snicm 	}
25256def5a9Snicm 
25356def5a9Snicm 	x = (screen_size_x(s) / 2) - 3 * strlen(tim);
25456def5a9Snicm 	y = (screen_size_y(s) / 2) - 3;
25556def5a9Snicm 
25656def5a9Snicm 	memcpy(&gc, &grid_default_cell, sizeof gc);
257e16c1698Snicm 	gc.flags |= GRID_FLAG_NOPALETTE;
25892c661c5Snicm 	gc.bg = colour;
25956def5a9Snicm 	for (ptr = tim; *ptr != '\0'; ptr++) {
26056def5a9Snicm 		if (*ptr >= '0' && *ptr <= '9')
26156def5a9Snicm 			idx = *ptr - '0';
26256def5a9Snicm 		else if (*ptr == ':')
26356def5a9Snicm 			idx = 10;
26456def5a9Snicm 		else if (*ptr == 'A')
26556def5a9Snicm 			idx = 11;
26656def5a9Snicm 		else if (*ptr == 'P')
26756def5a9Snicm 			idx = 12;
26856def5a9Snicm 		else if (*ptr == 'M')
26956def5a9Snicm 			idx = 13;
27056def5a9Snicm 		else {
27156def5a9Snicm 			x += 6;
27256def5a9Snicm 			continue;
27356def5a9Snicm 		}
27456def5a9Snicm 
27556def5a9Snicm 		for (j = 0; j < 5; j++) {
27656def5a9Snicm 			for (i = 0; i < 5; i++) {
2775c6c7001Snicm 				screen_write_cursormove(&ctx, x + i, y + j, 0);
27856def5a9Snicm 				if (window_clock_table[idx][j][i])
27956def5a9Snicm 					screen_write_putc(&ctx, &gc, ' ');
28056def5a9Snicm 			}
28156def5a9Snicm 		}
28256def5a9Snicm 		x += 6;
28356def5a9Snicm 	}
28456def5a9Snicm 
285311827fbSnicm 	screen_write_stop(&ctx);
286311827fbSnicm }
287