xref: /openbsd-src/usr.bin/tmux/window-clock.c (revision cb39b41371628601fbe4c618205356d538b9d08a)
1 /* $OpenBSD: window-clock.c,v 1.11 2015/04/19 21:34:21 nicm Exp $ */
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 void	window_clock_timer(struct window_pane *);
33 
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 	window_clock_timer,
42 };
43 
44 struct window_clock_mode_data {
45 	struct screen	        screen;
46 	time_t			tim;
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 struct screen *
123 window_clock_init(struct window_pane *wp)
124 {
125 	struct window_clock_mode_data	*data;
126 	struct screen			*s;
127 
128 	wp->modedata = data = xmalloc(sizeof *data);
129 	data->tim = time(NULL);
130 
131 	s = &data->screen;
132 	screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
133 	s->mode &= ~MODE_CURSOR;
134 
135 	window_clock_draw_screen(wp);
136 
137 	return (s);
138 }
139 
140 void
141 window_clock_free(struct window_pane *wp)
142 {
143 	struct window_clock_mode_data	*data = wp->modedata;
144 
145 	screen_free(&data->screen);
146 	free(data);
147 }
148 
149 void
150 window_clock_resize(struct window_pane *wp, u_int sx, u_int sy)
151 {
152 	struct window_clock_mode_data	*data = wp->modedata;
153 	struct screen			*s = &data->screen;
154 
155 	screen_resize(s, sx, sy, 0);
156 	window_clock_draw_screen(wp);
157 }
158 
159 void
160 window_clock_key(struct window_pane *wp, unused struct client *c,
161     unused struct session *sess, unused int key, unused struct mouse_event *m)
162 {
163 	window_pane_reset_mode(wp);
164 }
165 
166 void
167 window_clock_timer(struct window_pane *wp)
168 {
169 	struct window_clock_mode_data	*data = wp->modedata;
170 	struct tm			 now, then;
171 	time_t				 t;
172 
173 	t = time(NULL);
174 	gmtime_r(&t, &now);
175 	gmtime_r(&data->tim, &then);
176 	if (now.tm_min == then.tm_min)
177 		return;
178 	data->tim = t;
179 
180 	window_clock_draw_screen(wp);
181 	server_redraw_window(wp->window);
182 }
183 
184 void
185 window_clock_draw_screen(struct window_pane *wp)
186 {
187 	struct window_clock_mode_data	*data = wp->modedata;
188 	struct screen_write_ctx	 	 ctx;
189 	int				 colour, style;
190 	struct screen			*s = &data->screen;
191 	struct grid_cell		 gc;
192 	char				 tim[64], *ptr;
193 	time_t				 t;
194 	struct tm			*tm;
195 	u_int				 i, j, x, y, idx;
196 
197 	colour = options_get_number(&wp->window->options, "clock-mode-colour");
198 	style = options_get_number(&wp->window->options, "clock-mode-style");
199 
200 	screen_write_start(&ctx, NULL, s);
201 
202 	t = time(NULL);
203 	tm = localtime(&t);
204 	if (style == 0) {
205 		strftime(tim, sizeof tim, "%l:%M ", localtime(&t));
206 		if (tm->tm_hour >= 12)
207 			strlcat(tim, "PM", sizeof tim);
208 		else
209 			strlcat(tim, "AM", sizeof tim);
210 	} else
211 		strftime(tim, sizeof tim, "%H:%M", tm);
212 
213 	screen_write_clearscreen(&ctx);
214 
215 	if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) {
216 		if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) {
217 			x = (screen_size_x(s) / 2) - (strlen(tim) / 2);
218 			y = screen_size_y(s) / 2;
219 			screen_write_cursormove(&ctx, x, y);
220 
221 			memcpy(&gc, &grid_default_cell, sizeof gc);
222 			colour_set_fg(&gc, colour);
223 			screen_write_puts(&ctx, &gc, "%s", tim);
224 		}
225 
226 
227 		screen_write_stop(&ctx);
228 		return;
229 	}
230 
231 	x = (screen_size_x(s) / 2) - 3 * strlen(tim);
232 	y = (screen_size_y(s) / 2) - 3;
233 
234 	memcpy(&gc, &grid_default_cell, sizeof gc);
235 	colour_set_bg(&gc, colour);
236 	for (ptr = tim; *ptr != '\0'; ptr++) {
237 		if (*ptr >= '0' && *ptr <= '9')
238 			idx = *ptr - '0';
239 		else if (*ptr == ':')
240 			idx = 10;
241 		else if (*ptr == 'A')
242 			idx = 11;
243 		else if (*ptr == 'P')
244 			idx = 12;
245 		else if (*ptr == 'M')
246 			idx = 13;
247 		else {
248 			x += 6;
249 			continue;
250 		}
251 
252 		for (j = 0; j < 5; j++) {
253 			for (i = 0; i < 5; i++) {
254 				screen_write_cursormove(&ctx, x + i, y + j);
255 				if (window_clock_table[idx][j][i])
256 					screen_write_putc(&ctx, &gc, ' ');
257 			}
258 		}
259 		x += 6;
260 	}
261 
262 	screen_write_stop(&ctx);
263 }
264