2009-07-25 09:03:33 +00:00
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/* $Id: screen-redraw.c,v 1.43 2009-07-25 09:03:33 tcunha Exp $ */
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2007-12-06 09:46:23 +00:00
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <string.h>
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#include "tmux.h"
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2009-07-25 09:03:33 +00:00
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int screen_redraw_cell_border(struct client *, u_int, u_int);
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2009-04-01 18:21:42 +00:00
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int screen_redraw_check_cell(struct client *, u_int, u_int);
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2007-12-06 09:46:23 +00:00
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2009-07-25 08:58:19 +00:00
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#define CELL_INSIDE 0
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2009-07-25 09:03:33 +00:00
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#define CELL_LEFTRIGHT 1
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#define CELL_TOPBOTTOM 2
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#define CELL_TOPLEFT 3
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#define CELL_TOPRIGHT 4
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#define CELL_BOTTOMLEFT 5
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#define CELL_BOTTOMRIGHT 6
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#define CELL_TOPJOIN 7
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#define CELL_BOTTOMJOIN 8
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#define CELL_LEFTJOIN 9
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#define CELL_RIGHTJOIN 10
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#define CELL_JOIN 11
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#define CELL_OUTSIDE 12
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/* Check if a cell is on the pane border. */
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2009-04-01 18:21:42 +00:00
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int
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2009-07-25 09:03:33 +00:00
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screen_redraw_cell_border(struct client *c, u_int px, u_int py)
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2007-12-06 09:46:23 +00:00
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{
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2009-01-12 18:22:47 +00:00
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struct window *w = c->session->curw->window;
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struct window_pane *wp;
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2007-12-06 09:46:23 +00:00
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2009-07-25 09:03:33 +00:00
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/* Check all the panes. */
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2009-01-14 19:29:32 +00:00
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TAILQ_FOREACH(wp, &w->panes, entry) {
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2009-07-15 17:42:44 +00:00
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if (!window_pane_visible(wp))
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continue;
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2009-04-01 18:21:42 +00:00
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/* Inside pane. */
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if (px >= wp->xoff && px < wp->xoff + wp->sx &&
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py >= wp->yoff && py < wp->yoff + wp->sy)
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2009-07-25 09:03:33 +00:00
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return (0);
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2009-04-01 18:21:42 +00:00
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/* Left/right borders. */
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2009-07-25 09:03:33 +00:00
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if ((wp->yoff == 0 || py >= wp->yoff - 1) &&
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py <= wp->yoff + wp->sy) {
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2009-04-01 18:21:42 +00:00
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if (wp->xoff != 0 && px == wp->xoff - 1)
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2009-07-25 09:03:33 +00:00
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return (1);
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2009-04-01 18:21:42 +00:00
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if (px == wp->xoff + wp->sx)
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2009-07-25 09:03:33 +00:00
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return (1);
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2009-01-14 19:29:32 +00:00
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}
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2007-12-06 09:46:23 +00:00
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2009-04-01 18:21:42 +00:00
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/* Top/bottom borders. */
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2009-07-25 09:03:33 +00:00
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if ((wp->xoff == 0 || px >= wp->xoff - 1) &&
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px <= wp->xoff + wp->sx) {
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2009-04-01 18:21:42 +00:00
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if (wp->yoff != 0 && py == wp->yoff - 1)
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2009-07-25 09:03:33 +00:00
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return (1);
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2009-04-01 18:21:42 +00:00
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if (py == wp->yoff + wp->sy)
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2009-07-25 09:03:33 +00:00
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return (1);
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}
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}
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return (0);
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}
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/* Check if cell inside a pane. */
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int
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screen_redraw_check_cell(struct client *c, u_int px, u_int py)
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{
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struct window *w = c->session->curw->window;
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struct window_pane *wp;
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int borders;
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if (px > w->sx || py > w->sy)
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return (CELL_OUTSIDE);
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TAILQ_FOREACH(wp, &w->panes, entry) {
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if (!window_pane_visible(wp))
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continue;
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/* If outside the pane and its border, skip it. */
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if ((wp->xoff != 0 && px < wp->xoff - 1) ||
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px > wp->xoff + wp->sx ||
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(wp->yoff != 0 && py < wp->yoff - 1) ||
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py > wp->yoff + wp->sy)
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continue;
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/* If definitely inside, return so. */
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if (!screen_redraw_cell_border(c, px, py))
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return (CELL_INSIDE);
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/*
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* Construct a bitmask of whether the cells to the left (bit
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* 4), right, top, and bottom (bit 1) of this cell are borders.
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*/
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borders = 0;
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if (px == 0 || screen_redraw_cell_border(c, px - 1, py))
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borders |= 8;
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if (px <= w->sx && screen_redraw_cell_border(c, px + 1, py))
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borders |= 4;
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if (py == 0 || screen_redraw_cell_border(c, px, py - 1))
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borders |= 2;
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if (py <= w->sy && screen_redraw_cell_border(c, px, py + 1))
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borders |= 1;
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/*
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* Figure out what kind of border this cell is. Only one bit
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* set doesn't make sense (can't have a border cell with no
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* others connected).
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*/
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switch (borders) {
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case 15: /* 1111, left right top bottom */
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return (CELL_JOIN);
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case 14: /* 1110, left right top */
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return (CELL_BOTTOMJOIN);
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case 13: /* 1101, left right bottom */
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return (CELL_TOPJOIN);
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case 12: /* 1100, left right */
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return (CELL_TOPBOTTOM);
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case 11: /* 1011, left top bottom */
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return (CELL_RIGHTJOIN);
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case 10: /* 1010, left top */
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return (CELL_BOTTOMRIGHT);
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case 9: /* 1001, left bottom */
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return (CELL_TOPRIGHT);
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case 7: /* 0111, right top bottom */
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return (CELL_LEFTJOIN);
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case 6: /* 0110, right top */
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return (CELL_BOTTOMLEFT);
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case 5: /* 0101, right bottom */
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return (CELL_TOPLEFT);
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case 3: /* 0011, top bottom */
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return (CELL_LEFTRIGHT);
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2009-03-31 18:39:45 +00:00
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}
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}
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2009-07-25 08:58:19 +00:00
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return (CELL_OUTSIDE);
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2007-12-06 09:46:23 +00:00
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}
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2009-07-15 17:43:45 +00:00
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/* Redraw entire screen. */
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2007-12-06 09:46:23 +00:00
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void
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2009-07-15 17:43:45 +00:00
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screen_redraw_screen(struct client *c, int status_only)
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2007-12-06 09:46:23 +00:00
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{
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2009-04-01 18:21:42 +00:00
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struct window *w = c->session->curw->window;
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struct tty *tty = &c->tty;
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struct window_pane *wp;
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2009-07-25 08:58:19 +00:00
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u_int i, j, type;
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int status;
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const u_char *border;
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2007-12-06 09:46:23 +00:00
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2009-04-01 18:21:42 +00:00
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/* Get status line, er, status. */
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2009-07-15 17:43:45 +00:00
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if (c->message_string != NULL || c->prompt_string != NULL)
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status = 1;
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else
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status = options_get_number(&c->session->options, "status");
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/* If only drawing status and it is present, don't need the rest. */
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if (status_only && status) {
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tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
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return;
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}
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2007-12-06 09:46:23 +00:00
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2009-07-25 08:58:19 +00:00
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/* Draw background and borders. */
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2009-04-01 18:21:42 +00:00
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tty_reset(tty);
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2009-07-25 08:58:19 +00:00
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if (tty_term_has(tty->term, TTYC_ACSC)) {
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2009-07-25 09:03:33 +00:00
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border = " xqlkmjwvtun~";
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2009-05-04 13:20:02 +00:00
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tty_putcode(tty, TTYC_SMACS);
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2009-07-25 08:58:19 +00:00
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} else
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2009-07-25 09:03:33 +00:00
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border = " |-....--||+.";
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2009-04-01 18:21:42 +00:00
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for (j = 0; j < tty->sy - status; j++) {
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2009-07-15 17:43:45 +00:00
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if (status_only && j != tty->sy - 1)
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continue;
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2009-04-01 18:21:42 +00:00
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for (i = 0; i < tty->sx; i++) {
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2009-07-25 08:58:19 +00:00
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type = screen_redraw_check_cell(c, i, j);
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if (type != CELL_INSIDE) {
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2009-04-01 18:21:42 +00:00
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tty_cursor(tty, i, j, 0, 0);
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2009-07-25 08:58:19 +00:00
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tty_putc(tty, border[type]);
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2009-04-01 18:21:42 +00:00
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}
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}
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2008-09-25 20:08:57 +00:00
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}
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2009-07-25 08:58:19 +00:00
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tty_putcode(tty, TTYC_RMACS);
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2007-12-06 09:46:23 +00:00
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2009-04-01 18:21:42 +00:00
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/* Draw the panes. */
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TAILQ_FOREACH(wp, &w->panes, entry) {
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2009-07-15 17:42:44 +00:00
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if (!window_pane_visible(wp))
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2009-04-01 21:09:01 +00:00
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continue;
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2009-07-15 17:43:45 +00:00
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for (i = 0; i < wp->sy; i++) {
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2009-07-15 17:44:06 +00:00
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if (status_only && wp->yoff + i != tty->sy - 1)
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2009-07-15 17:43:45 +00:00
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continue;
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tty_draw_line(tty, wp->screen, i, wp->xoff, wp->yoff);
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}
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2009-04-01 18:21:42 +00:00
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}
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2009-05-04 17:58:27 +00:00
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2009-04-01 18:21:42 +00:00
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/* Draw the status line. */
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2009-07-15 17:43:45 +00:00
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if (status)
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tty_draw_line(tty, &c->status, 0, 0, tty->sy - 1);
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2007-12-06 09:46:23 +00:00
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}
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2009-04-02 21:08:15 +00:00
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/* Draw a single pane. */
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void
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screen_redraw_pane(struct client *c, struct window_pane *wp)
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{
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u_int i;
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for (i = 0; i < wp->sy; i++)
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tty_draw_line(&c->tty, wp->screen, i, wp->xoff, wp->yoff);
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}
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