window-clock.c

   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 <string.h>
  22 #include <time.h>
  23
  24 #include "tmux.h"
  25
  26 struct screen *window_clock_init(struct window_pane *);
  27 void    window_clock_free(struct window_pane *);
  28 void    window_clock_resize(struct window_pane *, u_int, u_int);
  29 void    window_clock_key(struct window_pane *, struct session *, int);
  30 void    window_clock_timer(struct window_pane *);
  31
  32 void    window_clock_draw_screen(struct window_pane *);
  33
  34 const struct window_mode window_clock_mode = {
  35         window_clock_init,
  36         window_clock_free,
  37         window_clock_resize,
  38         window_clock_key,
  39         NULL,
  40         window_clock_timer,
  41 };
  42
  43 struct window_clock_mode_data {
  44         struct screen           screen;
  45         time_t                  tim;
  46 };
  47
  48 struct screen *
  49 window_clock_init(struct window_pane *wp)
  50 {
  51         struct window_clock_mode_data   *data;
  52         struct screen                   *s;
  53
  54         wp->modedata = data = xmalloc(sizeof *data);
  55         data->tim = time(NULL);
  56
  57         s = &data->screen;
  58         screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
  59         s->mode &= ~MODE_CURSOR;
  60
  61         window_clock_draw_screen(wp);
  62
  63         return (s);
  64 }
  65
  66 void
  67 window_clock_free(struct window_pane *wp)
  68 {
  69         struct window_clock_mode_data   *data = wp->modedata;
  70
  71         screen_free(&data->screen);
  72         xfree(data);
  73 }
  74
  75 void
  76 window_clock_resize(struct window_pane *wp, u_int sx, u_int sy)
  77 {
  78         struct window_clock_mode_data   *data = wp->modedata;
  79         struct screen                   *s = &data->screen;
  80
  81         screen_resize(s, sx, sy);
  82         window_clock_draw_screen(wp);
  83 }
  84
  85 /* ARGSUSED */
  86 void
  87 window_clock_key(
  88     struct window_pane *wp, unused struct session *sess, unused int key)
  89 {
  90         window_pane_reset_mode(wp);
  91 }
  92
  93 void
  94 window_clock_timer(struct window_pane *wp)
  95 {
  96         struct window_clock_mode_data   *data = wp->modedata;
  97         struct tm                        now, then;
  98         time_t                           t;
  99
 100         t = time(NULL);
 101         gmtime_r(&t, &now);
 102         gmtime_r(&data->tim, &then);
 103         if (now.tm_min == then.tm_min)
 104                 return;
 105         data->tim = t;
 106
 107         window_clock_draw_screen(wp);
 108         server_redraw_window(wp->window);
 109 }
 110
 111 void
 112 window_clock_draw_screen(struct window_pane *wp)
 113 {
 114         struct window_clock_mode_data   *data = wp->modedata;
 115         struct screen_write_ctx          ctx;
 116         int                              colour, style;
 117
 118         colour = options_get_number(&wp->window->options, "clock-mode-colour");
 119         style = options_get_number(&wp->window->options, "clock-mode-style");
 120
 121         screen_write_start(&ctx, NULL, &data->screen);
 122         clock_draw(&ctx, colour, style);
 123         screen_write_stop(&ctx);
 124 }