1 /* $OpenBSD: window-clock.c,v 1.25 2018/12/18 13:20:44 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 *, 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_pane *); 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_pane *wp = arg; 130 struct window_clock_mode_data *data = wp->modedata; 131 struct tm now, then; 132 time_t t; 133 struct timeval tv = { .tv_sec = 1 }; 134 135 evtimer_del(&data->timer); 136 evtimer_add(&data->timer, &tv); 137 138 t = time(NULL); 139 gmtime_r(&t, &now); 140 gmtime_r(&data->tim, &then); 141 if (now.tm_min == then.tm_min) 142 return; 143 data->tim = t; 144 145 window_clock_draw_screen(wp); 146 server_redraw_window(wp->window); 147 } 148 149 static struct screen * 150 window_clock_init(struct window_pane *wp, __unused struct cmd_find_state *fs, 151 __unused struct args *args) 152 { 153 struct window_clock_mode_data *data; 154 struct screen *s; 155 struct timeval tv = { .tv_sec = 1 }; 156 157 wp->modedata = data = xmalloc(sizeof *data); 158 data->tim = time(NULL); 159 160 evtimer_set(&data->timer, window_clock_timer_callback, wp); 161 evtimer_add(&data->timer, &tv); 162 163 s = &data->screen; 164 screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0); 165 s->mode &= ~MODE_CURSOR; 166 167 window_clock_draw_screen(wp); 168 169 return (s); 170 } 171 172 static void 173 window_clock_free(struct window_pane *wp) 174 { 175 struct window_clock_mode_data *data = wp->modedata; 176 177 evtimer_del(&data->timer); 178 screen_free(&data->screen); 179 free(data); 180 } 181 182 static void 183 window_clock_resize(struct window_pane *wp, u_int sx, u_int sy) 184 { 185 struct window_clock_mode_data *data = wp->modedata; 186 struct screen *s = &data->screen; 187 188 screen_resize(s, sx, sy, 0); 189 window_clock_draw_screen(wp); 190 } 191 192 static void 193 window_clock_key(struct window_pane *wp, __unused struct client *c, 194 __unused struct session *s, __unused struct winlink *wl, 195 __unused key_code key, __unused struct mouse_event *m) 196 { 197 window_pane_reset_mode(wp); 198 } 199 200 static void 201 window_clock_draw_screen(struct window_pane *wp) 202 { 203 struct window_clock_mode_data *data = wp->modedata; 204 struct screen_write_ctx ctx; 205 int colour, style; 206 struct screen *s = &data->screen; 207 struct grid_cell gc; 208 char tim[64], *ptr; 209 time_t t; 210 struct tm *tm; 211 u_int i, j, x, y, idx; 212 213 colour = options_get_number(wp->window->options, "clock-mode-colour"); 214 style = options_get_number(wp->window->options, "clock-mode-style"); 215 216 screen_write_start(&ctx, NULL, s); 217 218 t = time(NULL); 219 tm = localtime(&t); 220 if (style == 0) { 221 strftime(tim, sizeof tim, "%l:%M ", localtime(&t)); 222 if (tm->tm_hour >= 12) 223 strlcat(tim, "PM", sizeof tim); 224 else 225 strlcat(tim, "AM", sizeof tim); 226 } else 227 strftime(tim, sizeof tim, "%H:%M", tm); 228 229 screen_write_clearscreen(&ctx, 8); 230 231 if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) { 232 if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) { 233 x = (screen_size_x(s) / 2) - (strlen(tim) / 2); 234 y = screen_size_y(s) / 2; 235 screen_write_cursormove(&ctx, x, y); 236 237 memcpy(&gc, &grid_default_cell, sizeof gc); 238 gc.flags |= GRID_FLAG_NOPALETTE; 239 gc.fg = colour; 240 screen_write_puts(&ctx, &gc, "%s", tim); 241 } 242 243 screen_write_stop(&ctx); 244 return; 245 } 246 247 x = (screen_size_x(s) / 2) - 3 * strlen(tim); 248 y = (screen_size_y(s) / 2) - 3; 249 250 memcpy(&gc, &grid_default_cell, sizeof gc); 251 gc.flags |= GRID_FLAG_NOPALETTE; 252 gc.bg = colour; 253 for (ptr = tim; *ptr != '\0'; ptr++) { 254 if (*ptr >= '0' && *ptr <= '9') 255 idx = *ptr - '0'; 256 else if (*ptr == ':') 257 idx = 10; 258 else if (*ptr == 'A') 259 idx = 11; 260 else if (*ptr == 'P') 261 idx = 12; 262 else if (*ptr == 'M') 263 idx = 13; 264 else { 265 x += 6; 266 continue; 267 } 268 269 for (j = 0; j < 5; j++) { 270 for (i = 0; i < 5; i++) { 271 screen_write_cursormove(&ctx, x + i, y + j); 272 if (window_clock_table[idx][j][i]) 273 screen_write_putc(&ctx, &gc, ' '); 274 } 275 } 276 x += 6; 277 } 278 279 screen_write_stop(&ctx); 280 } 281