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1.1 ! nicm 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <string.h>
! 22:
! 23: #include "tmux.h"
! 24:
! 25: int screen_redraw_check_cell(struct client *, u_int, u_int);
! 26:
! 27: /* Check if cell inside a pane. */
! 28: int
! 29: screen_redraw_check_cell(struct client *c, u_int px, u_int py)
! 30: {
! 31: struct window *w = c->session->curw->window;
! 32: struct window_pane *wp;
! 33:
! 34: if (px > w->sx || py > w->sy)
! 35: return (0);
! 36:
! 37: TAILQ_FOREACH(wp, &w->panes, entry) {
! 38: /* Inside pane. */
! 39: if (px >= wp->xoff && px < wp->xoff + wp->sx &&
! 40: py >= wp->yoff && py < wp->yoff + wp->sy)
! 41: return (1);
! 42:
! 43: /* Left/right borders. */
! 44: if (py >= wp->yoff && py < wp->yoff + wp->sy) {
! 45: if (wp->xoff != 0 && px == wp->xoff - 1)
! 46: return (1);
! 47: if (px == wp->xoff + wp->sx)
! 48: return (1);
! 49: }
! 50:
! 51: /* Top/bottom borders. */
! 52: if (px >= wp->xoff && px < wp->xoff + wp->sx) {
! 53: if (wp->yoff != 0 && py == wp->yoff - 1)
! 54: return (1);
! 55: if (py == wp->yoff + wp->sy)
! 56: return (1);
! 57: }
! 58: }
! 59:
! 60: return (0);
! 61: }
! 62:
! 63: /* Redraw entire screen.. */
! 64: void
! 65: screen_redraw_screen(struct client *c)
! 66: {
! 67: struct window *w = c->session->curw->window;
! 68: struct tty *tty = &c->tty;
! 69: struct window_pane *wp;
! 70: struct screen *s;
! 71: u_int i, j, sx, sy;
! 72: int status, has_acs;
! 73: u_char choriz, cvert, cbackg;
! 74:
! 75: /* Get status line, er, status. */
! 76: status = options_get_number(&c->session->options, "status");
! 77:
! 78: /* Work out ACS characters. */
! 79: if (tty_term_has(tty->term, TTYC_ACSC)) {
! 80: has_acs = 1;
! 81: choriz = tty_get_acs(tty, 'q');
! 82: cvert = tty_get_acs(tty, 'x');
! 83: cbackg = tty_get_acs(tty, '~');
! 84: } else {
! 85: has_acs = 0;
! 86: choriz = '-';
! 87: cvert = '|';
! 88: cbackg = '.';
! 89: }
! 90:
! 91: /* Clear the screen. */
! 92: tty_reset(tty);
! 93: if (has_acs)
! 94: tty_putcode(tty, TTYC_SMACS);
! 95: for (j = 0; j < tty->sy - status; j++) {
! 96: for (i = 0; i < tty->sx; i++) {
! 97: if (!screen_redraw_check_cell(c, i, j)) {
! 98: tty_cursor(tty, i, j, 0, 0);
! 99: tty_putc(tty, cbackg);
! 100: }
! 101: }
! 102: }
! 103: if (has_acs)
! 104: tty_putcode(tty, TTYC_RMACS);
! 105:
! 106: /* Draw the panes. */
! 107: TAILQ_FOREACH(wp, &w->panes, entry) {
! 108: if (wp->flags & PANE_HIDDEN)
! 109: continue;
! 110:
! 111: tty_reset(tty);
! 112:
! 113: s = wp->screen;
! 114: sx = wp->sx;
! 115: sy = wp->sy;
! 116:
! 117: /* Draw left and right borders. */
! 118: if (has_acs)
! 119: tty_putcode(tty, TTYC_SMACS);
! 120: if (wp->xoff > 0) {
! 121: for (i = wp->yoff; i < wp->yoff + sy; i++) {
! 122: tty_cursor(tty, wp->xoff - 1, i, 0, 0);
! 123: tty_putc(tty, cvert);
! 124: }
! 125: }
! 126: if (wp->xoff + sx < tty->sx) {
! 127: for (i = wp->yoff; i < wp->yoff + sy; i++) {
! 128: tty_cursor(tty, wp->xoff + sx, i, 0, 0);
! 129: tty_putc(&c->tty, cvert);
! 130: }
! 131: }
! 132:
! 133: /* Draw top and bottom borders. */
! 134: if (wp->yoff > 0) {
! 135: tty_cursor(tty, wp->xoff, wp->yoff - 1, 0, 0);
! 136: for (i = 0; i < sx; i++)
! 137: tty_putc(tty, choriz);
! 138: }
! 139: if (wp->yoff + sy < tty->sy - status) {
! 140: tty_cursor(tty, wp->xoff, wp->yoff + sy, 0, 0);
! 141: for (i = 0; i < sx; i++)
! 142: tty_putc(tty, choriz);
! 143: }
! 144: if (has_acs)
! 145: tty_putcode(tty, TTYC_RMACS);
! 146:
! 147: /* Draw the pane. */
! 148: screen_redraw_pane(c, wp);
! 149: }
! 150:
! 151: /* Draw the status line. */
! 152: screen_redraw_status(c);
! 153: }
! 154:
! 155: /* Draw a single pane. */
! 156: void
! 157: screen_redraw_pane(struct client *c, struct window_pane *wp)
! 158: {
! 159: u_int i;
! 160:
! 161: for (i = 0; i < wp->sy; i++)
! 162: tty_draw_line(&c->tty, wp->screen, i, wp->xoff, wp->yoff);
! 163: }
! 164:
! 165:
! 166: /* Draw the status line. */
! 167: void
! 168: screen_redraw_status(struct client *c)
! 169: {
! 170: tty_draw_line(&c->tty, &c->status, 0, 0, c->tty.sy - 1);
! 171: }