1 /* $OpenBSD: window-clock.c,v 1.26 2019/03/07 20:24:21 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_mode_entry *, 28 struct cmd_find_state *, struct args *); 29 static void window_clock_free(struct window_mode_entry *); 30 static void window_clock_resize(struct window_mode_entry *, u_int, u_int); 31 static void window_clock_key(struct window_mode_entry *, struct client *, 32 struct session *, struct winlink *, key_code, 33 struct mouse_event *); 34 35 static void window_clock_timer_callback(int, short, void *); 36 static void window_clock_draw_screen(struct window_mode_entry *); 37 38 const struct window_mode window_clock_mode = { 39 .name = "clock-mode", 40 41 .init = window_clock_init, 42 .free = window_clock_free, 43 .resize = window_clock_resize, 44 .key = window_clock_key, 45 }; 46 47 struct window_clock_mode_data { 48 struct screen screen; 49 time_t tim; 50 struct event timer; 51 }; 52 53 const char window_clock_table[14][5][5] = { 54 { { 1,1,1,1,1 }, /* 0 */ 55 { 1,0,0,0,1 }, 56 { 1,0,0,0,1 }, 57 { 1,0,0,0,1 }, 58 { 1,1,1,1,1 } }, 59 { { 0,0,0,0,1 }, /* 1 */ 60 { 0,0,0,0,1 }, 61 { 0,0,0,0,1 }, 62 { 0,0,0,0,1 }, 63 { 0,0,0,0,1 } }, 64 { { 1,1,1,1,1 }, /* 2 */ 65 { 0,0,0,0,1 }, 66 { 1,1,1,1,1 }, 67 { 1,0,0,0,0 }, 68 { 1,1,1,1,1 } }, 69 { { 1,1,1,1,1 }, /* 3 */ 70 { 0,0,0,0,1 }, 71 { 1,1,1,1,1 }, 72 { 0,0,0,0,1 }, 73 { 1,1,1,1,1 } }, 74 { { 1,0,0,0,1 }, /* 4 */ 75 { 1,0,0,0,1 }, 76 { 1,1,1,1,1 }, 77 { 0,0,0,0,1 }, 78 { 0,0,0,0,1 } }, 79 { { 1,1,1,1,1 }, /* 5 */ 80 { 1,0,0,0,0 }, 81 { 1,1,1,1,1 }, 82 { 0,0,0,0,1 }, 83 { 1,1,1,1,1 } }, 84 { { 1,1,1,1,1 }, /* 6 */ 85 { 1,0,0,0,0 }, 86 { 1,1,1,1,1 }, 87 { 1,0,0,0,1 }, 88 { 1,1,1,1,1 } }, 89 { { 1,1,1,1,1 }, /* 7 */ 90 { 0,0,0,0,1 }, 91 { 0,0,0,0,1 }, 92 { 0,0,0,0,1 }, 93 { 0,0,0,0,1 } }, 94 { { 1,1,1,1,1 }, /* 8 */ 95 { 1,0,0,0,1 }, 96 { 1,1,1,1,1 }, 97 { 1,0,0,0,1 }, 98 { 1,1,1,1,1 } }, 99 { { 1,1,1,1,1 }, /* 9 */ 100 { 1,0,0,0,1 }, 101 { 1,1,1,1,1 }, 102 { 0,0,0,0,1 }, 103 { 1,1,1,1,1 } }, 104 { { 0,0,0,0,0 }, /* : */ 105 { 0,0,1,0,0 }, 106 { 0,0,0,0,0 }, 107 { 0,0,1,0,0 }, 108 { 0,0,0,0,0 } }, 109 { { 1,1,1,1,1 }, /* A */ 110 { 1,0,0,0,1 }, 111 { 1,1,1,1,1 }, 112 { 1,0,0,0,1 }, 113 { 1,0,0,0,1 } }, 114 { { 1,1,1,1,1 }, /* P */ 115 { 1,0,0,0,1 }, 116 { 1,1,1,1,1 }, 117 { 1,0,0,0,0 }, 118 { 1,0,0,0,0 } }, 119 { { 1,0,0,0,1 }, /* M */ 120 { 1,1,0,1,1 }, 121 { 1,0,1,0,1 }, 122 { 1,0,0,0,1 }, 123 { 1,0,0,0,1 } }, 124 }; 125 126 static void 127 window_clock_timer_callback(__unused int fd, __unused short events, void *arg) 128 { 129 struct window_mode_entry *wme = arg; 130 struct window_pane *wp = wme->wp; 131 struct window_clock_mode_data *data = wme->data; 132 struct tm now, then; 133 time_t t; 134 struct timeval tv = { .tv_sec = 1 }; 135 136 evtimer_del(&data->timer); 137 evtimer_add(&data->timer, &tv); 138 139 t = time(NULL); 140 gmtime_r(&t, &now); 141 gmtime_r(&data->tim, &then); 142 if (now.tm_min == then.tm_min) 143 return; 144 data->tim = t; 145 146 window_clock_draw_screen(wme); 147 server_redraw_window(wp->window); 148 } 149 150 static struct screen * 151 window_clock_init(struct window_mode_entry *wme, 152 __unused struct cmd_find_state *fs, __unused struct args *args) 153 { 154 struct window_pane *wp = wme->wp; 155 struct window_clock_mode_data *data; 156 struct screen *s; 157 struct timeval tv = { .tv_sec = 1 }; 158 159 wme->data = data = xmalloc(sizeof *data); 160 data->tim = time(NULL); 161 162 evtimer_set(&data->timer, window_clock_timer_callback, wme); 163 evtimer_add(&data->timer, &tv); 164 165 s = &data->screen; 166 screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0); 167 s->mode &= ~MODE_CURSOR; 168 169 window_clock_draw_screen(wme); 170 171 return (s); 172 } 173 174 static void 175 window_clock_free(struct window_mode_entry *wme) 176 { 177 struct window_clock_mode_data *data = wme->data; 178 179 evtimer_del(&data->timer); 180 screen_free(&data->screen); 181 free(data); 182 } 183 184 static void 185 window_clock_resize(struct window_mode_entry *wme, u_int sx, u_int sy) 186 { 187 struct window_clock_mode_data *data = wme->data; 188 struct screen *s = &data->screen; 189 190 screen_resize(s, sx, sy, 0); 191 window_clock_draw_screen(wme); 192 } 193 194 static void 195 window_clock_key(struct window_mode_entry *wme, __unused struct client *c, 196 __unused struct session *s, __unused struct winlink *wl, 197 __unused key_code key, __unused struct mouse_event *m) 198 { 199 window_pane_reset_mode(wme->wp); 200 } 201 202 static void 203 window_clock_draw_screen(struct window_mode_entry *wme) 204 { 205 struct window_pane *wp = wme->wp; 206 struct window_clock_mode_data *data = wme->data; 207 struct screen_write_ctx ctx; 208 int colour, style; 209 struct screen *s = &data->screen; 210 struct grid_cell gc; 211 char tim[64], *ptr; 212 time_t t; 213 struct tm *tm; 214 u_int i, j, x, y, idx; 215 216 colour = options_get_number(wp->window->options, "clock-mode-colour"); 217 style = options_get_number(wp->window->options, "clock-mode-style"); 218 219 screen_write_start(&ctx, NULL, s); 220 221 t = time(NULL); 222 tm = localtime(&t); 223 if (style == 0) { 224 strftime(tim, sizeof tim, "%l:%M ", localtime(&t)); 225 if (tm->tm_hour >= 12) 226 strlcat(tim, "PM", sizeof tim); 227 else 228 strlcat(tim, "AM", sizeof tim); 229 } else 230 strftime(tim, sizeof tim, "%H:%M", tm); 231 232 screen_write_clearscreen(&ctx, 8); 233 234 if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) { 235 if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) { 236 x = (screen_size_x(s) / 2) - (strlen(tim) / 2); 237 y = screen_size_y(s) / 2; 238 screen_write_cursormove(&ctx, x, y); 239 240 memcpy(&gc, &grid_default_cell, sizeof gc); 241 gc.flags |= GRID_FLAG_NOPALETTE; 242 gc.fg = colour; 243 screen_write_puts(&ctx, &gc, "%s", tim); 244 } 245 246 screen_write_stop(&ctx); 247 return; 248 } 249 250 x = (screen_size_x(s) / 2) - 3 * strlen(tim); 251 y = (screen_size_y(s) / 2) - 3; 252 253 memcpy(&gc, &grid_default_cell, sizeof gc); 254 gc.flags |= GRID_FLAG_NOPALETTE; 255 gc.bg = colour; 256 for (ptr = tim; *ptr != '\0'; ptr++) { 257 if (*ptr >= '0' && *ptr <= '9') 258 idx = *ptr - '0'; 259 else if (*ptr == ':') 260 idx = 10; 261 else if (*ptr == 'A') 262 idx = 11; 263 else if (*ptr == 'P') 264 idx = 12; 265 else if (*ptr == 'M') 266 idx = 13; 267 else { 268 x += 6; 269 continue; 270 } 271 272 for (j = 0; j < 5; j++) { 273 for (i = 0; i < 5; i++) { 274 screen_write_cursormove(&ctx, x + i, y + j); 275 if (window_clock_table[idx][j][i]) 276 screen_write_putc(&ctx, &gc, ' '); 277 } 278 } 279 x += 6; 280 } 281 282 screen_write_stop(&ctx); 283 } 284