xref: /netbsd-src/external/bsd/tmux/dist/window-clock.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* $OpenBSD$ */
2 
3 /*
4  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <stdlib.h>
22 #include <string.h>
23 #include <time.h>
24 
25 #include "tmux.h"
26 
27 struct screen *window_clock_init(struct window_pane *);
28 void	window_clock_free(struct window_pane *);
29 void	window_clock_resize(struct window_pane *, u_int, u_int);
30 void	window_clock_key(struct window_pane *, struct client *,
31 	    struct session *, int, struct mouse_event *);
32 
33 void	window_clock_timer_callback(int, short, void *);
34 void	window_clock_draw_screen(struct window_pane *);
35 
36 const struct window_mode window_clock_mode = {
37 	window_clock_init,
38 	window_clock_free,
39 	window_clock_resize,
40 	window_clock_key,
41 };
42 
43 struct window_clock_mode_data {
44 	struct screen	        screen;
45 	time_t			tim;
46 	struct event		timer;
47 };
48 
49 const char window_clock_table[14][5][5] = {
50 	{ { 1,1,1,1,1 }, /* 0 */
51 	  { 1,0,0,0,1 },
52 	  { 1,0,0,0,1 },
53 	  { 1,0,0,0,1 },
54 	  { 1,1,1,1,1 } },
55 	{ { 0,0,0,0,1 }, /* 1 */
56 	  { 0,0,0,0,1 },
57 	  { 0,0,0,0,1 },
58 	  { 0,0,0,0,1 },
59 	  { 0,0,0,0,1 } },
60 	{ { 1,1,1,1,1 }, /* 2 */
61 	  { 0,0,0,0,1 },
62 	  { 1,1,1,1,1 },
63 	  { 1,0,0,0,0 },
64 	  { 1,1,1,1,1 } },
65 	{ { 1,1,1,1,1 }, /* 3 */
66 	  { 0,0,0,0,1 },
67 	  { 1,1,1,1,1 },
68 	  { 0,0,0,0,1 },
69 	  { 1,1,1,1,1 } },
70 	{ { 1,0,0,0,1 }, /* 4 */
71 	  { 1,0,0,0,1 },
72 	  { 1,1,1,1,1 },
73 	  { 0,0,0,0,1 },
74 	  { 0,0,0,0,1 } },
75 	{ { 1,1,1,1,1 }, /* 5 */
76 	  { 1,0,0,0,0 },
77 	  { 1,1,1,1,1 },
78 	  { 0,0,0,0,1 },
79 	  { 1,1,1,1,1 } },
80 	{ { 1,1,1,1,1 }, /* 6 */
81 	  { 1,0,0,0,0 },
82 	  { 1,1,1,1,1 },
83 	  { 1,0,0,0,1 },
84 	  { 1,1,1,1,1 } },
85 	{ { 1,1,1,1,1 }, /* 7 */
86 	  { 0,0,0,0,1 },
87 	  { 0,0,0,0,1 },
88 	  { 0,0,0,0,1 },
89 	  { 0,0,0,0,1 } },
90 	{ { 1,1,1,1,1 }, /* 8 */
91 	  { 1,0,0,0,1 },
92 	  { 1,1,1,1,1 },
93 	  { 1,0,0,0,1 },
94 	  { 1,1,1,1,1 } },
95 	{ { 1,1,1,1,1 }, /* 9 */
96 	  { 1,0,0,0,1 },
97 	  { 1,1,1,1,1 },
98 	  { 0,0,0,0,1 },
99 	  { 1,1,1,1,1 } },
100 	{ { 0,0,0,0,0 }, /* : */
101 	  { 0,0,1,0,0 },
102 	  { 0,0,0,0,0 },
103 	  { 0,0,1,0,0 },
104 	  { 0,0,0,0,0 } },
105 	{ { 1,1,1,1,1 }, /* A */
106 	  { 1,0,0,0,1 },
107 	  { 1,1,1,1,1 },
108 	  { 1,0,0,0,1 },
109 	  { 1,0,0,0,1 } },
110 	{ { 1,1,1,1,1 }, /* P */
111 	  { 1,0,0,0,1 },
112 	  { 1,1,1,1,1 },
113 	  { 1,0,0,0,0 },
114 	  { 1,0,0,0,0 } },
115 	{ { 1,0,0,0,1 }, /* M */
116 	  { 1,1,0,1,1 },
117 	  { 1,0,1,0,1 },
118 	  { 1,0,0,0,1 },
119 	  { 1,0,0,0,1 } },
120 };
121 
122 void
123 window_clock_timer_callback(unused int fd, unused short events, void *arg)
124 {
125 	struct window_pane		*wp = arg;
126 	struct window_clock_mode_data	*data = wp->modedata;
127 	struct tm			 now, then;
128 	time_t				 t;
129 	struct timeval			 tv = { .tv_sec = 1 };
130 
131 	evtimer_del(&data->timer);
132 	evtimer_add(&data->timer, &tv);
133 
134 	t = time(NULL);
135 	gmtime_r(&t, &now);
136 	gmtime_r(&data->tim, &then);
137 	if (now.tm_min == then.tm_min)
138 		return;
139 	data->tim = t;
140 
141 	window_clock_draw_screen(wp);
142 	server_redraw_window(wp->window);
143 }
144 
145 struct screen *
146 window_clock_init(struct window_pane *wp)
147 {
148 	struct window_clock_mode_data	*data;
149 	struct screen			*s;
150 	struct timeval			 tv = { .tv_sec = 1 };
151 
152 	wp->modedata = data = xmalloc(sizeof *data);
153 	data->tim = time(NULL);
154 
155 	evtimer_set(&data->timer, window_clock_timer_callback, wp);
156 	evtimer_add(&data->timer, &tv);
157 
158 	s = &data->screen;
159 	screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
160 	s->mode &= ~MODE_CURSOR;
161 
162 	window_clock_draw_screen(wp);
163 
164 	return (s);
165 }
166 
167 void
168 window_clock_free(struct window_pane *wp)
169 {
170 	struct window_clock_mode_data	*data = wp->modedata;
171 
172 	evtimer_del(&data->timer);
173 	screen_free(&data->screen);
174 	free(data);
175 }
176 
177 void
178 window_clock_resize(struct window_pane *wp, u_int sx, u_int sy)
179 {
180 	struct window_clock_mode_data	*data = wp->modedata;
181 	struct screen			*s = &data->screen;
182 
183 	screen_resize(s, sx, sy, 0);
184 	window_clock_draw_screen(wp);
185 }
186 
187 void
188 window_clock_key(struct window_pane *wp, unused struct client *c,
189     unused struct session *sess, unused int key, unused struct mouse_event *m)
190 {
191 	window_pane_reset_mode(wp);
192 }
193 
194 void
195 window_clock_draw_screen(struct window_pane *wp)
196 {
197 	struct window_clock_mode_data	*data = wp->modedata;
198 	struct screen_write_ctx	 	 ctx;
199 	int				 colour, style;
200 	struct screen			*s = &data->screen;
201 	struct grid_cell		 gc;
202 	char				 tim[64], *ptr;
203 	time_t				 t;
204 	struct tm			*tm;
205 	u_int				 i, j, x, y, idx;
206 
207 	colour = options_get_number(&wp->window->options, "clock-mode-colour");
208 	style = options_get_number(&wp->window->options, "clock-mode-style");
209 
210 	screen_write_start(&ctx, NULL, s);
211 
212 	t = time(NULL);
213 	tm = localtime(&t);
214 	if (style == 0) {
215 		strftime(tim, sizeof tim, "%l:%M ", localtime(&t));
216 		if (tm->tm_hour >= 12)
217 			strlcat(tim, "PM", sizeof tim);
218 		else
219 			strlcat(tim, "AM", sizeof tim);
220 	} else
221 		strftime(tim, sizeof tim, "%H:%M", tm);
222 
223 	screen_write_clearscreen(&ctx);
224 
225 	if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) {
226 		if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) {
227 			x = (screen_size_x(s) / 2) - (strlen(tim) / 2);
228 			y = screen_size_y(s) / 2;
229 			screen_write_cursormove(&ctx, x, y);
230 
231 			memcpy(&gc, &grid_default_cell, sizeof gc);
232 			colour_set_fg(&gc, colour);
233 			screen_write_puts(&ctx, &gc, "%s", tim);
234 		}
235 
236 		screen_write_stop(&ctx);
237 		return;
238 	}
239 
240 	x = (screen_size_x(s) / 2) - 3 * strlen(tim);
241 	y = (screen_size_y(s) / 2) - 3;
242 
243 	memcpy(&gc, &grid_default_cell, sizeof gc);
244 	colour_set_bg(&gc, colour);
245 	for (ptr = tim; *ptr != '\0'; ptr++) {
246 		if (*ptr >= '0' && *ptr <= '9')
247 			idx = *ptr - '0';
248 		else if (*ptr == ':')
249 			idx = 10;
250 		else if (*ptr == 'A')
251 			idx = 11;
252 		else if (*ptr == 'P')
253 			idx = 12;
254 		else if (*ptr == 'M')
255 			idx = 13;
256 		else {
257 			x += 6;
258 			continue;
259 		}
260 
261 		for (j = 0; j < 5; j++) {
262 			for (i = 0; i < 5; i++) {
263 				screen_write_cursormove(&ctx, x + i, y + j);
264 				if (window_clock_table[idx][j][i])
265 					screen_write_putc(&ctx, &gc, ' ');
266 			}
267 		}
268 		x += 6;
269 	}
270 
271 	screen_write_stop(&ctx);
272 }
273