1 /* $OpenBSD: window-clock.c,v 1.24 2017/05/30 21:44:59 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> 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 static struct screen *window_clock_init(struct window_pane *, 28 struct cmd_find_state *, struct args *); 29 static void window_clock_free(struct window_pane *); 30 static void window_clock_resize(struct window_pane *, u_int, u_int); 31 static void window_clock_key(struct window_pane *, struct client *, 32 struct session *, key_code, struct mouse_event *); 33 34 static void window_clock_timer_callback(int, short, void *); 35 static void window_clock_draw_screen(struct window_pane *); 36 37 const struct window_mode window_clock_mode = { 38 .name = "clock-mode", 39 40 .init = window_clock_init, 41 .free = window_clock_free, 42 .resize = window_clock_resize, 43 .key = window_clock_key, 44 }; 45 46 struct window_clock_mode_data { 47 struct screen screen; 48 time_t tim; 49 struct event timer; 50 }; 51 52 const char window_clock_table[14][5][5] = { 53 { { 1,1,1,1,1 }, /* 0 */ 54 { 1,0,0,0,1 }, 55 { 1,0,0,0,1 }, 56 { 1,0,0,0,1 }, 57 { 1,1,1,1,1 } }, 58 { { 0,0,0,0,1 }, /* 1 */ 59 { 0,0,0,0,1 }, 60 { 0,0,0,0,1 }, 61 { 0,0,0,0,1 }, 62 { 0,0,0,0,1 } }, 63 { { 1,1,1,1,1 }, /* 2 */ 64 { 0,0,0,0,1 }, 65 { 1,1,1,1,1 }, 66 { 1,0,0,0,0 }, 67 { 1,1,1,1,1 } }, 68 { { 1,1,1,1,1 }, /* 3 */ 69 { 0,0,0,0,1 }, 70 { 1,1,1,1,1 }, 71 { 0,0,0,0,1 }, 72 { 1,1,1,1,1 } }, 73 { { 1,0,0,0,1 }, /* 4 */ 74 { 1,0,0,0,1 }, 75 { 1,1,1,1,1 }, 76 { 0,0,0,0,1 }, 77 { 0,0,0,0,1 } }, 78 { { 1,1,1,1,1 }, /* 5 */ 79 { 1,0,0,0,0 }, 80 { 1,1,1,1,1 }, 81 { 0,0,0,0,1 }, 82 { 1,1,1,1,1 } }, 83 { { 1,1,1,1,1 }, /* 6 */ 84 { 1,0,0,0,0 }, 85 { 1,1,1,1,1 }, 86 { 1,0,0,0,1 }, 87 { 1,1,1,1,1 } }, 88 { { 1,1,1,1,1 }, /* 7 */ 89 { 0,0,0,0,1 }, 90 { 0,0,0,0,1 }, 91 { 0,0,0,0,1 }, 92 { 0,0,0,0,1 } }, 93 { { 1,1,1,1,1 }, /* 8 */ 94 { 1,0,0,0,1 }, 95 { 1,1,1,1,1 }, 96 { 1,0,0,0,1 }, 97 { 1,1,1,1,1 } }, 98 { { 1,1,1,1,1 }, /* 9 */ 99 { 1,0,0,0,1 }, 100 { 1,1,1,1,1 }, 101 { 0,0,0,0,1 }, 102 { 1,1,1,1,1 } }, 103 { { 0,0,0,0,0 }, /* : */ 104 { 0,0,1,0,0 }, 105 { 0,0,0,0,0 }, 106 { 0,0,1,0,0 }, 107 { 0,0,0,0,0 } }, 108 { { 1,1,1,1,1 }, /* A */ 109 { 1,0,0,0,1 }, 110 { 1,1,1,1,1 }, 111 { 1,0,0,0,1 }, 112 { 1,0,0,0,1 } }, 113 { { 1,1,1,1,1 }, /* P */ 114 { 1,0,0,0,1 }, 115 { 1,1,1,1,1 }, 116 { 1,0,0,0,0 }, 117 { 1,0,0,0,0 } }, 118 { { 1,0,0,0,1 }, /* M */ 119 { 1,1,0,1,1 }, 120 { 1,0,1,0,1 }, 121 { 1,0,0,0,1 }, 122 { 1,0,0,0,1 } }, 123 }; 124 125 static void 126 window_clock_timer_callback(__unused int fd, __unused short events, void *arg) 127 { 128 struct window_pane *wp = arg; 129 struct window_clock_mode_data *data = wp->modedata; 130 struct tm now, then; 131 time_t t; 132 struct timeval tv = { .tv_sec = 1 }; 133 134 evtimer_del(&data->timer); 135 evtimer_add(&data->timer, &tv); 136 137 t = time(NULL); 138 gmtime_r(&t, &now); 139 gmtime_r(&data->tim, &then); 140 if (now.tm_min == then.tm_min) 141 return; 142 data->tim = t; 143 144 window_clock_draw_screen(wp); 145 server_redraw_window(wp->window); 146 } 147 148 static struct screen * 149 window_clock_init(struct window_pane *wp, __unused struct cmd_find_state *fs, 150 __unused struct args *args) 151 { 152 struct window_clock_mode_data *data; 153 struct screen *s; 154 struct timeval tv = { .tv_sec = 1 }; 155 156 wp->modedata = data = xmalloc(sizeof *data); 157 data->tim = time(NULL); 158 159 evtimer_set(&data->timer, window_clock_timer_callback, wp); 160 evtimer_add(&data->timer, &tv); 161 162 s = &data->screen; 163 screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0); 164 s->mode &= ~MODE_CURSOR; 165 166 window_clock_draw_screen(wp); 167 168 return (s); 169 } 170 171 static void 172 window_clock_free(struct window_pane *wp) 173 { 174 struct window_clock_mode_data *data = wp->modedata; 175 176 evtimer_del(&data->timer); 177 screen_free(&data->screen); 178 free(data); 179 } 180 181 static void 182 window_clock_resize(struct window_pane *wp, u_int sx, u_int sy) 183 { 184 struct window_clock_mode_data *data = wp->modedata; 185 struct screen *s = &data->screen; 186 187 screen_resize(s, sx, sy, 0); 188 window_clock_draw_screen(wp); 189 } 190 191 static void 192 window_clock_key(struct window_pane *wp, __unused struct client *c, 193 __unused struct session *sess, __unused key_code key, 194 __unused struct mouse_event *m) 195 { 196 window_pane_reset_mode(wp); 197 } 198 199 static void 200 window_clock_draw_screen(struct window_pane *wp) 201 { 202 struct window_clock_mode_data *data = wp->modedata; 203 struct screen_write_ctx ctx; 204 int colour, style; 205 struct screen *s = &data->screen; 206 struct grid_cell gc; 207 char tim[64], *ptr; 208 time_t t; 209 struct tm *tm; 210 u_int i, j, x, y, idx; 211 212 colour = options_get_number(wp->window->options, "clock-mode-colour"); 213 style = options_get_number(wp->window->options, "clock-mode-style"); 214 215 screen_write_start(&ctx, NULL, s); 216 217 t = time(NULL); 218 tm = localtime(&t); 219 if (style == 0) { 220 strftime(tim, sizeof tim, "%l:%M ", localtime(&t)); 221 if (tm->tm_hour >= 12) 222 strlcat(tim, "PM", sizeof tim); 223 else 224 strlcat(tim, "AM", sizeof tim); 225 } else 226 strftime(tim, sizeof tim, "%H:%M", tm); 227 228 screen_write_clearscreen(&ctx, 8); 229 230 if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) { 231 if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) { 232 x = (screen_size_x(s) / 2) - (strlen(tim) / 2); 233 y = screen_size_y(s) / 2; 234 screen_write_cursormove(&ctx, x, y); 235 236 memcpy(&gc, &grid_default_cell, sizeof gc); 237 gc.flags |= GRID_FLAG_NOPALETTE; 238 gc.fg = colour; 239 screen_write_puts(&ctx, &gc, "%s", tim); 240 } 241 242 screen_write_stop(&ctx); 243 return; 244 } 245 246 x = (screen_size_x(s) / 2) - 3 * strlen(tim); 247 y = (screen_size_y(s) / 2) - 3; 248 249 memcpy(&gc, &grid_default_cell, sizeof gc); 250 gc.flags |= GRID_FLAG_NOPALETTE; 251 gc.bg = colour; 252 for (ptr = tim; *ptr != '\0'; ptr++) { 253 if (*ptr >= '0' && *ptr <= '9') 254 idx = *ptr - '0'; 255 else if (*ptr == ':') 256 idx = 10; 257 else if (*ptr == 'A') 258 idx = 11; 259 else if (*ptr == 'P') 260 idx = 12; 261 else if (*ptr == 'M') 262 idx = 13; 263 else { 264 x += 6; 265 continue; 266 } 267 268 for (j = 0; j < 5; j++) { 269 for (i = 0; i < 5; i++) { 270 screen_write_cursormove(&ctx, x + i, y + j); 271 if (window_clock_table[idx][j][i]) 272 screen_write_putc(&ctx, &gc, ' '); 273 } 274 } 275 x += 6; 276 } 277 278 screen_write_stop(&ctx); 279 } 280