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/* $OpenBSD$ */
/*
* Copyright (c) 2007 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"
int screen_redraw_check_cell(struct client *, u_int, u_int);
#define CELL_INSIDE 0
#define CELL_LEFT 1
#define CELL_RIGHT 2
#define CELL_TOP 3
#define CELL_BOTTOM 4
#define CELL_OUTSIDE 5
/* Check if cell inside a pane. */
int
screen_redraw_check_cell(struct client *c, u_int px, u_int py)
{
struct window *w = c->session->curw->window;
struct window_pane *wp;
if (px > w->sx || py > w->sy)
return (CELL_OUTSIDE);
TAILQ_FOREACH(wp, &w->panes, entry) {
if (!window_pane_visible(wp))
continue;
/* Inside pane. */
if (px >= wp->xoff && px < wp->xoff + wp->sx &&
py >= wp->yoff && py < wp->yoff + wp->sy)
return (CELL_INSIDE);
/* Left/right borders. */
if (py >= wp->yoff && py < wp->yoff + wp->sy) {
if (wp->xoff != 0 && px == wp->xoff - 1)
return (CELL_LEFT);
if (px == wp->xoff + wp->sx)
return (CELL_RIGHT);
}
/* Top/bottom borders. */
if (px >= wp->xoff && px < wp->xoff + wp->sx) {
if (wp->yoff != 0 && py == wp->yoff - 1)
return (CELL_TOP);
if (py == wp->yoff + wp->sy)
return (CELL_BOTTOM);
}
}
return (CELL_OUTSIDE);
}
/* Redraw entire screen. */
void
screen_redraw_screen(struct client *c, int status_only)
{
struct window *w = c->session->curw->window;
struct tty *tty = &c->tty;
struct window_pane *wp;
u_int i, j, type;
int status;
const u_char *border;
/* Get status line, er, status. */
if (c->message_string != NULL || c->prompt_string != NULL)
status = 1;
else
status = options_get_number(&c->session->options, "status");
/* If only drawing status and it is present, don't need the rest. */
if (status_only && status) {
tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
return;
}
/* Draw background and borders. */
tty_reset(tty);
if (tty_term_has(tty->term, TTYC_ACSC)) {
border = " xxqq~";
tty_putcode(tty, TTYC_SMACS);
} else
border = " ||--.";
for (j = 0; j < tty->sy - status; j++) {
if (status_only && j != tty->sy - 1)
continue;
for (i = 0; i < tty->sx; i++) {
type = screen_redraw_check_cell(c, i, j);
if (type != CELL_INSIDE) {
tty_cursor(tty, i, j, 0, 0);
tty_putc(tty, border[type]);
}
}
}
tty_putcode(tty, TTYC_RMACS);
/* Draw the panes. */
TAILQ_FOREACH(wp, &w->panes, entry) {
if (!window_pane_visible(wp))
continue;
for (i = 0; i < wp->sy; i++) {
if (status_only && wp->yoff + i != tty->sy - 1)
continue;
tty_draw_line(tty, wp->screen, i, wp->xoff, wp->yoff);
}
}
/* Draw the status line. */
if (status)
tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
}
/* Draw a single pane. */
void
screen_redraw_pane(struct client *c, struct window_pane *wp)
{
u_int i;
for (i = 0; i < wp->sy; i++)
tty_draw_line(&c->tty, wp->screen, i, wp->xoff, wp->yoff);
}
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