1 /* $OpenBSD$ */
2
3 /*
4 * Copyright (c) 2012 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
23 #include "tmux.h"
24
25 /* Get cell width. */
26 u_int
grid_cell_width(const struct grid_cell * gc)27 grid_cell_width(const struct grid_cell *gc)
28 {
29 return (gc->xstate >> 4);
30 }
31
32 /* Get cell data. */
33 void
grid_cell_get(const struct grid_cell * gc,struct utf8_data * ud)34 grid_cell_get(const struct grid_cell *gc, struct utf8_data *ud)
35 {
36 ud->size = gc->xstate & 0xf;
37 ud->width = gc->xstate >> 4;
38 memcpy(ud->data, gc->xdata, ud->size);
39 }
40
41 /* Set cell data. */
42 void
grid_cell_set(struct grid_cell * gc,const struct utf8_data * ud)43 grid_cell_set(struct grid_cell *gc, const struct utf8_data *ud)
44 {
45 memcpy(gc->xdata, ud->data, ud->size);
46 gc->xstate = (ud->width << 4) | ud->size;
47 }
48
49 /* Set a single character as cell data. */
50 void
grid_cell_one(struct grid_cell * gc,u_char ch)51 grid_cell_one(struct grid_cell *gc, u_char ch)
52 {
53 *gc->xdata = ch;
54 gc->xstate = (1 << 4) | 1;
55 }
56