diff options
Diffstat (limited to 'usr.bin/tmux/grid-cell.c')
-rw-r--r-- | usr.bin/tmux/grid-cell.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/usr.bin/tmux/grid-cell.c b/usr.bin/tmux/grid-cell.c new file mode 100644 index 00000000000..4b71d2ba3c1 --- /dev/null +++ b/usr.bin/tmux/grid-cell.c @@ -0,0 +1,55 @@ +/* $OpenBSD: grid-cell.c,v 1.1 2013/01/18 02:16:21 nicm Exp $ */ + +/* + * Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/types.h> + +#include <string.h> + +#include "tmux.h" + +/* Get cell width. */ +u_int +grid_cell_width(const struct grid_cell *gc) +{ + return (gc->xstate >> 4); +} + +/* Get cell data. */ +void +grid_cell_get(const struct grid_cell *gc, struct utf8_data *ud) +{ + ud->size = gc->xstate & 0xf; + ud->width = gc->xstate >> 4; + memcpy(ud->data, gc->xdata, ud->size); +} + +/* Set cell data. */ +void +grid_cell_set(struct grid_cell *gc, const struct utf8_data *ud) +{ + memcpy(gc->xdata, ud->data, ud->size); + gc->xstate = (ud->width << 4) | ud->size; +} + +/* Set a single character as cell data. */ +void +grid_cell_one(struct grid_cell *gc, u_char ch) +{ + *gc->xdata = ch; + gc->xstate = (1 << 4) | 1; +} |