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grid-cell.c    56 lines (47 with data), 1.5 kB

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/* $OpenBSD$ */
/*
* 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;
}