From fdbfc7e3498e1cdd04e8df58aa1a937ee4d79caa Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Fri, 18 Jan 2013 02:16:21 +0000 Subject: Rather than having two grids for each pane, one for ASCII and one for UTF-8, collapse the two together. Simplifies the code at the expense of more memory (which can probably be reduced again later). --- grid-cell.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 grid-cell.c (limited to 'grid-cell.c') diff --git a/grid-cell.c b/grid-cell.c new file mode 100644 index 00000000..09643a9c --- /dev/null +++ b/grid-cell.c @@ -0,0 +1,55 @@ +/* $OpenBSD$ */ + +/* + * Copyright (c) 2012 Nicholas Marriott + * + * 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 + +#include + +#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; +} -- cgit v1.2.3