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Annotation of src/usr.bin/tmux/screen-redraw.c, Revision 1.36

1.36    ! nicm        1: /* $OpenBSD: screen-redraw.c,v 1.35 2016/01/19 15:59:12 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.35      nicm        4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.15      nicm       25: int    screen_redraw_cell_border1(struct window_pane *, u_int, u_int);
1.7       nicm       26: int    screen_redraw_cell_border(struct client *, u_int, u_int);
1.36    ! nicm       27: int    screen_redraw_check_cell(struct client *, u_int, u_int, int,
1.24      nicm       28:            struct window_pane **);
1.36    ! nicm       29: int    screen_redraw_check_is(u_int, u_int, int, int, struct window *,
1.32      nicm       30:            struct window_pane *, struct window_pane *);
1.24      nicm       31:
1.36    ! nicm       32: int    screen_redraw_make_pane_status(struct client *, struct window *,
        !            33:            struct window_pane *);
        !            34: void   screen_redraw_draw_pane_status(struct client *, int);
        !            35:
        !            36: void   screen_redraw_draw_borders(struct client *, int, int, u_int);
1.26      nicm       37: void   screen_redraw_draw_panes(struct client *, u_int);
                     38: void   screen_redraw_draw_status(struct client *, u_int);
1.31      nicm       39: void   screen_redraw_draw_number(struct client *, struct window_pane *, u_int);
1.1       nicm       40:
1.6       nicm       41: #define CELL_INSIDE 0
1.7       nicm       42: #define CELL_LEFTRIGHT 1
                     43: #define CELL_TOPBOTTOM 2
                     44: #define CELL_TOPLEFT 3
                     45: #define CELL_TOPRIGHT 4
                     46: #define CELL_BOTTOMLEFT 5
                     47: #define CELL_BOTTOMRIGHT 6
                     48: #define CELL_TOPJOIN 7
                     49: #define CELL_BOTTOMJOIN 8
                     50: #define CELL_LEFTJOIN 9
                     51: #define CELL_RIGHTJOIN 10
                     52: #define CELL_JOIN 11
                     53: #define CELL_OUTSIDE 12
1.6       nicm       54:
1.17      nicm       55: #define CELL_BORDERS " xqlkmjwvtun~"
                     56:
1.36    ! nicm       57: #define CELL_STATUS_OFF 0
        !            58: #define CELL_STATUS_TOP 1
        !            59: #define CELL_STATUS_BOTTOM 2
        !            60:
1.15      nicm       61: /* Check if cell is on the border of a particular pane. */
                     62: int
                     63: screen_redraw_cell_border1(struct window_pane *wp, u_int px, u_int py)
                     64: {
                     65:        /* Inside pane. */
                     66:        if (px >= wp->xoff && px < wp->xoff + wp->sx &&
                     67:            py >= wp->yoff && py < wp->yoff + wp->sy)
                     68:                return (0);
                     69:
                     70:        /* Left/right borders. */
                     71:        if ((wp->yoff == 0 || py >= wp->yoff - 1) && py <= wp->yoff + wp->sy) {
                     72:                if (wp->xoff != 0 && px == wp->xoff - 1)
                     73:                        return (1);
                     74:                if (px == wp->xoff + wp->sx)
1.36    ! nicm       75:                        return (2);
1.15      nicm       76:        }
                     77:
                     78:        /* Top/bottom borders. */
                     79:        if ((wp->xoff == 0 || px >= wp->xoff - 1) && px <= wp->xoff + wp->sx) {
                     80:                if (wp->yoff != 0 && py == wp->yoff - 1)
1.36    ! nicm       81:                        return (3);
1.15      nicm       82:                if (py == wp->yoff + wp->sy)
1.36    ! nicm       83:                        return (4);
1.15      nicm       84:        }
                     85:
                     86:        /* Outside pane. */
                     87:        return (-1);
                     88: }
                     89:
1.7       nicm       90: /* Check if a cell is on the pane border. */
1.1       nicm       91: int
1.7       nicm       92: screen_redraw_cell_border(struct client *c, u_int px, u_int py)
1.1       nicm       93: {
                     94:        struct window           *w = c->session->curw->window;
                     95:        struct window_pane      *wp;
1.15      nicm       96:        int                      retval;
1.1       nicm       97:
1.7       nicm       98:        /* Check all the panes. */
1.1       nicm       99:        TAILQ_FOREACH(wp, &w->panes, entry) {
1.3       nicm      100:                if (!window_pane_visible(wp))
                    101:                        continue;
1.15      nicm      102:                if ((retval = screen_redraw_cell_border1(wp, px, py)) != -1)
1.36    ! nicm      103:                        return (!!retval);
1.7       nicm      104:        }
                    105:
                    106:        return (0);
                    107: }
                    108:
                    109: /* Check if cell inside a pane. */
                    110: int
1.36    ! nicm      111: screen_redraw_check_cell(struct client *c, u_int px, u_int py, int pane_status,
1.24      nicm      112:     struct window_pane **wpp)
1.7       nicm      113: {
                    114:        struct window           *w = c->session->curw->window;
                    115:        struct window_pane      *wp;
                    116:        int                      borders;
1.36    ! nicm      117:        u_int                    right, line;
1.7       nicm      118:
                    119:        if (px > w->sx || py > w->sy)
                    120:                return (CELL_OUTSIDE);
                    121:
1.36    ! nicm      122:        if (pane_status != CELL_STATUS_OFF) {
        !           123:                TAILQ_FOREACH(wp, &w->panes, entry) {
        !           124:                        if (!window_pane_visible(wp))
        !           125:                                continue;
        !           126:
        !           127:                        if (pane_status == CELL_STATUS_TOP)
        !           128:                                line = wp->yoff - 1;
        !           129:                        else
        !           130:                                line = wp->yoff + wp->sy;
        !           131:                        right = wp->xoff + 2 + wp->status_size - 1;
        !           132:
        !           133:                        if (py == line && px >= wp->xoff + 2 && px <= right)
        !           134:                                return (CELL_INSIDE);
        !           135:                }
        !           136:        }
        !           137:
1.7       nicm      138:        TAILQ_FOREACH(wp, &w->panes, entry) {
                    139:                if (!window_pane_visible(wp))
                    140:                        continue;
1.24      nicm      141:                *wpp = wp;
1.7       nicm      142:
                    143:                /* If outside the pane and its border, skip it. */
                    144:                if ((wp->xoff != 0 && px < wp->xoff - 1) ||
                    145:                    px > wp->xoff + wp->sx ||
                    146:                    (wp->yoff != 0 && py < wp->yoff - 1) ||
                    147:                    py > wp->yoff + wp->sy)
                    148:                        continue;
                    149:
                    150:                /* If definitely inside, return so. */
                    151:                if (!screen_redraw_cell_border(c, px, py))
                    152:                        return (CELL_INSIDE);
                    153:
1.14      nicm      154:                /*
1.7       nicm      155:                 * Construct a bitmask of whether the cells to the left (bit
                    156:                 * 4), right, top, and bottom (bit 1) of this cell are borders.
                    157:                 */
                    158:                borders = 0;
                    159:                if (px == 0 || screen_redraw_cell_border(c, px - 1, py))
                    160:                        borders |= 8;
                    161:                if (px <= w->sx && screen_redraw_cell_border(c, px + 1, py))
                    162:                        borders |= 4;
1.36    ! nicm      163:                if (pane_status == CELL_STATUS_TOP) {
        !           164:                        if (py != 0 && screen_redraw_cell_border(c, px, py - 1))
        !           165:                                borders |= 2;
        !           166:                } else {
        !           167:                        if (py == 0 || screen_redraw_cell_border(c, px, py - 1))
        !           168:                                borders |= 2;
        !           169:                }
1.7       nicm      170:                if (py <= w->sy && screen_redraw_cell_border(c, px, py + 1))
                    171:                        borders |= 1;
                    172:
1.14      nicm      173:                /*
1.7       nicm      174:                 * Figure out what kind of border this cell is. Only one bit
                    175:                 * set doesn't make sense (can't have a border cell with no
                    176:                 * others connected).
                    177:                 */
                    178:                switch (borders) {
                    179:                case 15:        /* 1111, left right top bottom */
                    180:                        return (CELL_JOIN);
                    181:                case 14:        /* 1110, left right top */
                    182:                        return (CELL_BOTTOMJOIN);
                    183:                case 13:        /* 1101, left right bottom */
                    184:                        return (CELL_TOPJOIN);
                    185:                case 12:        /* 1100, left right */
                    186:                        return (CELL_TOPBOTTOM);
                    187:                case 11:        /* 1011, left top bottom */
                    188:                        return (CELL_RIGHTJOIN);
                    189:                case 10:        /* 1010, left top */
                    190:                        return (CELL_BOTTOMRIGHT);
                    191:                case 9:         /* 1001, left bottom */
                    192:                        return (CELL_TOPRIGHT);
                    193:                case 7:         /* 0111, right top bottom */
                    194:                        return (CELL_LEFTJOIN);
                    195:                case 6:         /* 0110, right top */
                    196:                        return (CELL_BOTTOMLEFT);
                    197:                case 5:         /* 0101, right bottom */
                    198:                        return (CELL_TOPLEFT);
                    199:                case 3:         /* 0011, top bottom */
                    200:                        return (CELL_LEFTRIGHT);
1.1       nicm      201:                }
                    202:        }
                    203:
1.24      nicm      204:        *wpp = NULL;
1.6       nicm      205:        return (CELL_OUTSIDE);
1.1       nicm      206: }
                    207:
1.32      nicm      208: /* Check if the border of a particular pane. */
1.24      nicm      209: int
1.36    ! nicm      210: screen_redraw_check_is(u_int px, u_int py, int type, int pane_status,
        !           211:     struct window *w, struct window_pane *wantwp, struct window_pane *wp)
1.24      nicm      212: {
1.36    ! nicm      213:        int     border;
        !           214:
1.24      nicm      215:        /* Is this off the active pane border? */
1.36    ! nicm      216:        border = screen_redraw_cell_border1(wantwp, px, py);
        !           217:        if (border == 0 || border == -1)
        !           218:                return (0);
        !           219:        if (pane_status == CELL_STATUS_TOP && border == 4)
        !           220:                return (0);
        !           221:        if (pane_status == CELL_STATUS_BOTTOM && border == 3)
1.24      nicm      222:                return (0);
                    223:
                    224:        /* If there are more than two panes, that's enough. */
                    225:        if (window_count_panes(w) != 2)
                    226:                return (1);
                    227:
                    228:        /* Else if the cell is not a border cell, forget it. */
                    229:        if (wp == NULL || (type == CELL_OUTSIDE || type == CELL_INSIDE))
                    230:                return (1);
                    231:
1.36    ! nicm      232:        /* With status lines mark the entire line. */
        !           233:        if (pane_status != CELL_STATUS_OFF)
        !           234:                return (1);
        !           235:
1.24      nicm      236:        /* Check if the pane covers the whole width. */
                    237:        if (wp->xoff == 0 && wp->sx == w->sx) {
                    238:                /* This can either be the top pane or the bottom pane. */
                    239:                if (wp->yoff == 0) { /* top pane */
1.32      nicm      240:                        if (wp == wantwp)
1.24      nicm      241:                                return (px <= wp->sx / 2);
                    242:                        return (px > wp->sx / 2);
                    243:                }
                    244:                return (0);
                    245:        }
                    246:
                    247:        /* Check if the pane covers the whole height. */
                    248:        if (wp->yoff == 0 && wp->sy == w->sy) {
                    249:                /* This can either be the left pane or the right pane. */
                    250:                if (wp->xoff == 0) { /* left pane */
1.32      nicm      251:                        if (wp == wantwp)
1.24      nicm      252:                                return (py <= wp->sy / 2);
                    253:                        return (py > wp->sy / 2);
                    254:                }
                    255:                return (0);
                    256:        }
                    257:
1.36    ! nicm      258:        return (1);
        !           259: }
        !           260:
        !           261: /* Update pane status. */
        !           262: int
        !           263: screen_redraw_make_pane_status(struct client *c, struct window *w,
        !           264:     struct window_pane *wp)
        !           265: {
        !           266:        struct grid_cell         gc;
        !           267:        const char              *fmt;
        !           268:        struct format_tree      *ft;
        !           269:        char                    *out;
        !           270:        size_t                   outlen, old_size = wp->status_size;
        !           271:        struct screen_write_ctx  ctx;
        !           272:
        !           273:        if (wp == w->active)
        !           274:                style_apply(&gc, w->options, "pane-active-border-style");
        !           275:        else
        !           276:                style_apply(&gc, w->options, "pane-border-style");
        !           277:
        !           278:        fmt = options_get_string(w->options, "pane-border-format");
        !           279:
        !           280:        ft = format_create(NULL, 0);
        !           281:        format_defaults(ft, c, NULL, NULL, wp);
        !           282:
        !           283:        screen_free(&wp->status_screen);
        !           284:        screen_init(&wp->status_screen, wp->sx, 1, 0);
        !           285:        wp->status_screen.mode = 0;
        !           286:
        !           287:        out = format_expand(ft, fmt);
        !           288:        outlen = screen_write_cstrlen("%s", out);
        !           289:        if (outlen > wp->sx - 4)
        !           290:                outlen = wp->sx - 4;
        !           291:        screen_resize(&wp->status_screen, outlen, 1, 0);
        !           292:
        !           293:        screen_write_start(&ctx, NULL, &wp->status_screen);
        !           294:        screen_write_cursormove(&ctx, 0, 0);
        !           295:        screen_write_clearline(&ctx);
        !           296:        screen_write_cnputs(&ctx, outlen, &gc, "%s", out);
        !           297:        screen_write_stop(&ctx);
        !           298:
        !           299:        format_free(ft);
        !           300:
        !           301:        wp->status_size = outlen;
        !           302:        return (wp->status_size != old_size);
        !           303: }
        !           304:
        !           305: /* Draw pane status. */
        !           306: void
        !           307: screen_redraw_draw_pane_status(struct client *c, int pane_status)
        !           308: {
        !           309:        struct window           *w = c->session->curw->window;
        !           310:        struct options          *oo = c->session->options;
        !           311:        struct tty              *tty = &c->tty;
        !           312:        struct window_pane      *wp;
        !           313:        int                      spos;
        !           314:        u_int                    yoff;
        !           315:
        !           316:        spos = options_get_number(oo, "status-position");
        !           317:        TAILQ_FOREACH(wp, &w->panes, entry) {
        !           318:                if (pane_status == CELL_STATUS_TOP)
        !           319:                        yoff = wp->yoff - 1;
        !           320:                else
        !           321:                        yoff = wp->yoff + wp->sy;
        !           322:                if (spos == 0)
        !           323:                        yoff += 1;
        !           324:
        !           325:                tty_draw_line(tty, NULL, &wp->status_screen, 0, wp->xoff + 2,
        !           326:                    yoff);
        !           327:        }
        !           328:        tty_cursor(tty, 0, 0);
1.24      nicm      329: }
                    330:
1.4       nicm      331: /* Redraw entire screen. */
1.1       nicm      332: void
1.26      nicm      333: screen_redraw_screen(struct client *c, int draw_panes, int draw_status,
                    334:     int draw_borders)
1.1       nicm      335: {
1.36    ! nicm      336:        struct options          *oo = c->session->options;
        !           337:        struct tty              *tty = &c->tty;
        !           338:        struct window           *w = c->session->curw->window;
        !           339:        struct window_pane      *wp;
        !           340:        u_int                    top;
        !           341:        int                      status, pane_status, spos;
1.18      nicm      342:
                    343:        /* Suspended clients should not be updated. */
                    344:        if (c->flags & CLIENT_SUSPENDED)
                    345:                return;
1.1       nicm      346:
                    347:        /* Get status line, er, status. */
1.21      nicm      348:        spos = options_get_number(oo, "status-position");
1.4       nicm      349:        if (c->message_string != NULL || c->prompt_string != NULL)
                    350:                status = 1;
                    351:        else
1.21      nicm      352:                status = options_get_number(oo, "status");
                    353:        top = 0;
                    354:        if (status && spos == 0)
                    355:                top = 1;
1.26      nicm      356:        if (!status)
                    357:                draw_status = 0;
                    358:
1.36    ! nicm      359:        /* Update pane status lines. */
        !           360:        pane_status = options_get_number(w->options, "pane-border-status");
        !           361:        if (pane_status != CELL_STATUS_OFF && (draw_borders || draw_status)) {
        !           362:                TAILQ_FOREACH(wp, &w->panes, entry) {
        !           363:                        if (screen_redraw_make_pane_status(c, w, wp))
        !           364:                                draw_borders = draw_status = 1;
        !           365:                }
        !           366:        }
        !           367:
        !           368:        /* Draw the elements. */
1.26      nicm      369:        if (draw_borders)
1.36    ! nicm      370:                screen_redraw_draw_borders(c, status, pane_status, top);
1.26      nicm      371:        if (draw_panes)
                    372:                screen_redraw_draw_panes(c, top);
                    373:        if (draw_status)
                    374:                screen_redraw_draw_status(c, top);
1.36    ! nicm      375:        if (pane_status != CELL_STATUS_OFF && (draw_borders || draw_status))
        !           376:                screen_redraw_draw_pane_status(c, pane_status);
1.26      nicm      377:        tty_reset(tty);
                    378: }
1.4       nicm      379:
1.26      nicm      380: /* Draw a single pane. */
                    381: void
                    382: screen_redraw_pane(struct client *c, struct window_pane *wp)
                    383: {
                    384:        u_int   i, yoff;
                    385:
                    386:        if (!window_pane_visible(wp))
1.4       nicm      387:                return;
1.1       nicm      388:
1.26      nicm      389:        yoff = wp->yoff;
                    390:        if (status_at_line(c) == 0)
                    391:                yoff++;
                    392:
                    393:        for (i = 0; i < wp->sy; i++)
1.30      nicm      394:                tty_draw_pane(&c->tty, wp, i, wp->xoff, yoff);
1.26      nicm      395:        tty_reset(&c->tty);
                    396: }
                    397:
                    398: /* Draw the borders. */
                    399: void
1.36    ! nicm      400: screen_redraw_draw_borders(struct client *c, int status, int pane_status,
        !           401:     u_int top)
1.26      nicm      402: {
1.32      nicm      403:        struct session          *s = c->session;
                    404:        struct window           *w = s->curw->window;
1.33      nicm      405:        struct options          *oo = w->options;
1.26      nicm      406:        struct tty              *tty = &c->tty;
                    407:        struct window_pane      *wp;
1.32      nicm      408:        struct grid_cell         m_active_gc, active_gc, m_other_gc, other_gc;
                    409:        struct grid_cell         msg_gc;
1.28      nicm      410:        u_int                    i, j, type, msgx = 0, msgy = 0;
1.32      nicm      411:        int                      active, small, flags;
1.28      nicm      412:        char                     msg[256];
                    413:        const char              *tmp;
                    414:        size_t                   msglen = 0;
                    415:
                    416:        small = (tty->sy - status + top > w->sy) || (tty->sx > w->sx);
                    417:        if (small) {
                    418:                flags = w->flags & (WINDOW_FORCEWIDTH|WINDOW_FORCEHEIGHT);
                    419:                if (flags == (WINDOW_FORCEWIDTH|WINDOW_FORCEHEIGHT))
                    420:                        tmp = "force-width, force-height";
                    421:                else if (flags == WINDOW_FORCEWIDTH)
                    422:                        tmp = "force-width";
                    423:                else if (flags == WINDOW_FORCEHEIGHT)
                    424:                        tmp = "force-height";
                    425:                else
                    426:                        tmp = "a smaller client";
                    427:                xsnprintf(msg, sizeof msg, "(size %ux%u from %s)",
                    428:                    w->sx, w->sy, tmp);
                    429:                msglen = strlen(msg);
                    430:
                    431:                if (tty->sy - 1 - status + top > w->sy && tty->sx >= msglen) {
                    432:                        msgx = tty->sx - msglen;
                    433:                        msgy = tty->sy - 1 - status + top;
                    434:                } else if (tty->sx - w->sx > msglen) {
                    435:                        msgx = tty->sx - msglen;
                    436:                        msgy = tty->sy - 1 - status + top;
                    437:                } else
                    438:                        small = 0;
                    439:        }
1.26      nicm      440:
1.25      nicm      441:        style_apply(&other_gc, oo, "pane-border-style");
                    442:        style_apply(&active_gc, oo, "pane-active-border-style");
1.26      nicm      443:        active_gc.attr = other_gc.attr = GRID_ATTR_CHARSET;
1.15      nicm      444:
1.32      nicm      445:        memcpy(&m_other_gc, &other_gc, sizeof m_other_gc);
                    446:        m_other_gc.attr ^= GRID_ATTR_REVERSE;
                    447:        memcpy(&m_active_gc, &active_gc, sizeof m_active_gc);
                    448:        m_active_gc.attr ^= GRID_ATTR_REVERSE;
                    449:
1.1       nicm      450:        for (j = 0; j < tty->sy - status; j++) {
                    451:                for (i = 0; i < tty->sx; i++) {
1.36    ! nicm      452:                        type = screen_redraw_check_cell(c, i, j, pane_status,
        !           453:                            &wp);
1.15      nicm      454:                        if (type == CELL_INSIDE)
                    455:                                continue;
1.32      nicm      456:                        if (type == CELL_OUTSIDE && small &&
                    457:                            i > msgx && j == msgy)
1.28      nicm      458:                                continue;
1.36    ! nicm      459:                        active = screen_redraw_check_is(i, j, type, pane_status,
        !           460:                            w, w->active, wp);
1.34      nicm      461:                        if (server_is_marked(s, s->curw, marked_pane.wp) &&
1.36    ! nicm      462:                            screen_redraw_check_is(i, j, type, pane_status, w,
1.34      nicm      463:                            marked_pane.wp, wp)) {
1.32      nicm      464:                                if (active)
                    465:                                        tty_attributes(tty, &m_active_gc, NULL);
                    466:                                else
                    467:                                        tty_attributes(tty, &m_other_gc, NULL);
                    468:                        } else if (active)
1.30      nicm      469:                                tty_attributes(tty, &active_gc, NULL);
1.15      nicm      470:                        else
1.30      nicm      471:                                tty_attributes(tty, &other_gc, NULL);
1.21      nicm      472:                        tty_cursor(tty, i, top + j);
1.17      nicm      473:                        tty_putc(tty, CELL_BORDERS[type]);
1.1       nicm      474:                }
1.28      nicm      475:        }
                    476:
                    477:        if (small) {
                    478:                memcpy(&msg_gc, &grid_default_cell, sizeof msg_gc);
1.30      nicm      479:                tty_attributes(tty, &msg_gc, NULL);
1.28      nicm      480:                tty_cursor(tty, msgx, msgy);
                    481:                tty_puts(tty, msg);
1.1       nicm      482:        }
1.26      nicm      483: }
1.1       nicm      484:
1.26      nicm      485: /* Draw the panes. */
                    486: void
                    487: screen_redraw_draw_panes(struct client *c, u_int top)
                    488: {
                    489:        struct window           *w = c->session->curw->window;
                    490:        struct tty              *tty = &c->tty;
                    491:        struct window_pane      *wp;
                    492:        u_int                    i;
1.15      nicm      493:
1.1       nicm      494:        TAILQ_FOREACH(wp, &w->panes, entry) {
1.3       nicm      495:                if (!window_pane_visible(wp))
1.1       nicm      496:                        continue;
1.26      nicm      497:                for (i = 0; i < wp->sy; i++)
1.30      nicm      498:                        tty_draw_pane(tty, wp, i, wp->xoff, top + wp->yoff);
1.10      nicm      499:                if (c->flags & CLIENT_IDENTIFY)
1.31      nicm      500:                        screen_redraw_draw_number(c, wp, top);
1.1       nicm      501:        }
                    502: }
                    503:
1.26      nicm      504: /* Draw the status line. */
1.1       nicm      505: void
1.26      nicm      506: screen_redraw_draw_status(struct client *c, u_int top)
1.1       nicm      507: {
1.26      nicm      508:        struct tty      *tty = &c->tty;
1.23      nicm      509:
1.26      nicm      510:        if (top)
1.30      nicm      511:                tty_draw_line(tty, NULL, &c->status, 0, 0, 0);
1.26      nicm      512:        else
1.30      nicm      513:                tty_draw_line(tty, NULL, &c->status, 0, 0, tty->sy - 1);
1.10      nicm      514: }
                    515:
                    516: /* Draw number on a pane. */
                    517: void
1.31      nicm      518: screen_redraw_draw_number(struct client *c, struct window_pane *wp, u_int top)
1.10      nicm      519: {
                    520:        struct tty              *tty = &c->tty;
                    521:        struct session          *s = c->session;
1.33      nicm      522:        struct options          *oo = s->options;
1.16      nicm      523:        struct window           *w = wp->window;
1.10      nicm      524:        struct grid_cell         gc;
1.12      nicm      525:        u_int                    idx, px, py, i, j, xoff, yoff;
1.16      nicm      526:        int                      colour, active_colour;
1.10      nicm      527:        char                     buf[16], *ptr;
                    528:        size_t                   len;
                    529:
1.19      nicm      530:        if (window_pane_index(wp, &idx) != 0)
                    531:                fatalx("index not found");
1.10      nicm      532:        len = xsnprintf(buf, sizeof buf, "%u", idx);
                    533:
                    534:        if (wp->sx < len)
                    535:                return;
1.16      nicm      536:        colour = options_get_number(oo, "display-panes-colour");
                    537:        active_colour = options_get_number(oo, "display-panes-active-colour");
1.10      nicm      538:
1.12      nicm      539:        px = wp->sx / 2; py = wp->sy / 2;
                    540:        xoff = wp->xoff; yoff = wp->yoff;
1.31      nicm      541:
                    542:        if (top)
                    543:                yoff++;
1.12      nicm      544:
1.10      nicm      545:        if (wp->sx < len * 6 || wp->sy < 5) {
1.12      nicm      546:                tty_cursor(tty, xoff + px - len / 2, yoff + py);
1.20      nicm      547:                goto draw_text;
1.10      nicm      548:        }
1.14      nicm      549:
1.10      nicm      550:        px -= len * 3;
                    551:        py -= 2;
                    552:
1.25      nicm      553:        memcpy(&gc, &grid_default_cell, sizeof gc);
1.16      nicm      554:        if (w->active == wp)
                    555:                colour_set_bg(&gc, active_colour);
                    556:        else
                    557:                colour_set_bg(&gc, colour);
1.30      nicm      558:        tty_attributes(tty, &gc, wp);
1.10      nicm      559:        for (ptr = buf; *ptr != '\0'; ptr++) {
                    560:                if (*ptr < '0' || *ptr > '9')
                    561:                        continue;
                    562:                idx = *ptr - '0';
1.14      nicm      563:
1.10      nicm      564:                for (j = 0; j < 5; j++) {
                    565:                        for (i = px; i < px + 5; i++) {
1.12      nicm      566:                                tty_cursor(tty, xoff + i, yoff + py + j);
1.27      nicm      567:                                if (window_clock_table[idx][j][i - px])
1.11      nicm      568:                                        tty_putc(tty, ' ');
1.10      nicm      569:                        }
                    570:                }
                    571:                px += 6;
                    572:        }
1.20      nicm      573:
                    574:        len = xsnprintf(buf, sizeof buf, "%ux%u", wp->sx, wp->sy);
                    575:        if (wp->sx < len || wp->sy < 6)
                    576:                return;
                    577:        tty_cursor(tty, xoff + wp->sx - len, yoff);
                    578:
                    579: draw_text:
1.25      nicm      580:        memcpy(&gc, &grid_default_cell, sizeof gc);
1.20      nicm      581:        if (w->active == wp)
                    582:                colour_set_fg(&gc, active_colour);
                    583:        else
                    584:                colour_set_fg(&gc, colour);
1.30      nicm      585:        tty_attributes(tty, &gc, wp);
1.20      nicm      586:        tty_puts(tty, buf);
                    587:
                    588:        tty_cursor(tty, 0, 0);
1.1       nicm      589: }