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Annotation of src/usr.bin/tmux/window-copy.c, Revision 1.152

1.152   ! nicm        1: /* $OpenBSD: window-copy.c,v 1.151 2016/05/23 20:03:14 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.144     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:
1.97      nicm       21: #include <ctype.h>
1.21      nicm       22: #include <stdlib.h>
1.1       nicm       23: #include <string.h>
                     24:
                     25: #include "tmux.h"
                     26:
                     27: struct screen *window_copy_init(struct window_pane *);
                     28: void   window_copy_free(struct window_pane *);
1.149     nicm       29: void   window_copy_pagedown(struct window_pane *, int);
1.148     nicm       30: void   window_copy_next_paragraph(struct window_pane *);
                     31: void   window_copy_previous_paragraph(struct window_pane *);
1.1       nicm       32: void   window_copy_resize(struct window_pane *, u_int, u_int);
1.126     nicm       33: void   window_copy_key(struct window_pane *, struct client *, struct session *,
1.138     nicm       34:            key_code, struct mouse_event *);
                     35: int    window_copy_key_input(struct window_pane *, key_code);
                     36: int    window_copy_key_numeric_prefix(struct window_pane *, key_code);
1.1       nicm       37:
1.121     nicm       38: void   window_copy_redraw_selection(struct window_pane *, u_int);
1.1       nicm       39: void   window_copy_redraw_lines(struct window_pane *, u_int, u_int);
                     40: void   window_copy_redraw_screen(struct window_pane *);
1.118     nicm       41: void   window_copy_write_line(struct window_pane *, struct screen_write_ctx *,
                     42:            u_int);
                     43: void   window_copy_write_lines(struct window_pane *,
                     44:            struct screen_write_ctx *, u_int, u_int);
1.1       nicm       45:
1.21      nicm       46: void   window_copy_scroll_to(struct window_pane *, u_int, u_int);
1.118     nicm       47: int    window_copy_search_compare(struct grid *, u_int, u_int, struct grid *,
                     48:            u_int, int);
                     49: int    window_copy_search_lr(struct grid *, struct grid *, u_int *, u_int,
                     50:            u_int, u_int, int);
                     51: int    window_copy_search_rl(struct grid *, struct grid *, u_int *, u_int,
                     52:            u_int, u_int, int);
1.150     nicm       53: void   window_copy_move_left(struct screen *, u_int *, u_int *);
                     54: void   window_copy_move_right(struct screen *, u_int *, u_int *);
                     55: int    window_copy_is_lowercase(const char *);
                     56: void   window_copy_search_jump(struct window_pane *, struct grid *,
                     57:            struct grid *, u_int, u_int, u_int, int, int, int);
                     58: void   window_copy_search(struct window_pane *, const char *, int, int);
                     59: void   window_copy_search_up(struct window_pane *, const char *, int);
                     60: void   window_copy_search_down(struct window_pane *, const char *, int);
1.21      nicm       61: void   window_copy_goto_line(struct window_pane *, const char *);
1.18      nicm       62: void   window_copy_update_cursor(struct window_pane *, u_int, u_int);
1.1       nicm       63: void   window_copy_start_selection(struct window_pane *);
1.96      nicm       64: int    window_copy_update_selection(struct window_pane *, int);
1.89      nicm       65: void   *window_copy_get_selection(struct window_pane *, size_t *);
1.108     nicm       66: void   window_copy_copy_buffer(struct window_pane *, const char *, void *,
                     67:            size_t);
                     68: void   window_copy_copy_pipe(struct window_pane *, struct session *,
                     69:            const char *, const char *);
                     70: void   window_copy_copy_selection(struct window_pane *, const char *);
                     71: void   window_copy_append_selection(struct window_pane *, const char *);
1.47      nicm       72: void   window_copy_clear_selection(struct window_pane *);
1.109     nicm       73: void   window_copy_copy_line(struct window_pane *, char **, size_t *, u_int,
                     74:            u_int, u_int);
1.41      nicm       75: int    window_copy_in_set(struct window_pane *, u_int, u_int, const char *);
1.1       nicm       76: u_int  window_copy_find_length(struct window_pane *, u_int);
                     77: void   window_copy_cursor_start_of_line(struct window_pane *);
1.6       nicm       78: void   window_copy_cursor_back_to_indentation(struct window_pane *);
1.1       nicm       79: void   window_copy_cursor_end_of_line(struct window_pane *);
1.95      nicm       80: void   window_copy_other_end(struct window_pane *);
1.1       nicm       81: void   window_copy_cursor_left(struct window_pane *);
                     82: void   window_copy_cursor_right(struct window_pane *);
1.28      nicm       83: void   window_copy_cursor_up(struct window_pane *, int);
                     84: void   window_copy_cursor_down(struct window_pane *, int);
1.52      nicm       85: void   window_copy_cursor_jump(struct window_pane *);
                     86: void   window_copy_cursor_jump_back(struct window_pane *);
1.127     nicm       87: void   window_copy_cursor_jump_to(struct window_pane *, int);
                     88: void   window_copy_cursor_jump_to_back(struct window_pane *, int);
1.41      nicm       89: void   window_copy_cursor_next_word(struct window_pane *, const char *);
                     90: void   window_copy_cursor_next_word_end(struct window_pane *, const char *);
                     91: void   window_copy_cursor_previous_word(struct window_pane *, const char *);
1.1       nicm       92: void   window_copy_scroll_up(struct window_pane *, u_int);
                     93: void   window_copy_scroll_down(struct window_pane *, u_int);
1.42      nicm       94: void   window_copy_rectangle_toggle(struct window_pane *);
1.126     nicm       95: void   window_copy_drag_update(struct client *, struct mouse_event *);
                     96: void   window_copy_drag_release(struct client *, struct mouse_event *);
1.1       nicm       97:
                     98: const struct window_mode window_copy_mode = {
                     99:        window_copy_init,
                    100:        window_copy_free,
                    101:        window_copy_resize,
                    102:        window_copy_key,
                    103: };
                    104:
1.21      nicm      105: enum window_copy_input_type {
                    106:        WINDOW_COPY_OFF,
1.109     nicm      107:        WINDOW_COPY_NAMEDBUFFER,
1.50      nicm      108:        WINDOW_COPY_NUMERICPREFIX,
1.21      nicm      109:        WINDOW_COPY_SEARCHUP,
                    110:        WINDOW_COPY_SEARCHDOWN,
1.52      nicm      111:        WINDOW_COPY_JUMPFORWARD,
                    112:        WINDOW_COPY_JUMPBACK,
1.76      nicm      113:        WINDOW_COPY_JUMPTOFORWARD,
                    114:        WINDOW_COPY_JUMPTOBACK,
1.21      nicm      115:        WINDOW_COPY_GOTOLINE,
                    116: };
                    117:
1.54      nicm      118: /*
                    119:  * Copy-mode's visible screen (the "screen" field) is filled from one of
                    120:  * two sources: the original contents of the pane (used when we
                    121:  * actually enter via the "copy-mode" command, to copy the contents of
                    122:  * the current pane), or else a series of lines containing the output
                    123:  * from an output-writing tmux command (such as any of the "show-*" or
                    124:  * "list-*" commands).
                    125:  *
                    126:  * In either case, the full content of the copy-mode grid is pointed at
                    127:  * by the "backing" field, and is copied into "screen" as needed (that
                    128:  * is, when scrolling occurs). When copy-mode is backed by a pane,
                    129:  * backing points directly at that pane's screen structure (&wp->base);
                    130:  * when backed by a list of output-lines from a command, it points at
                    131:  * a newly-allocated screen structure (which is deallocated when the
                    132:  * mode ends).
                    133:  */
1.1       nicm      134: struct window_copy_mode_data {
1.126     nicm      135:        struct screen            screen;
1.1       nicm      136:
1.126     nicm      137:        struct screen           *backing;
                    138:        int                      backing_written; /* backing display started */
1.54      nicm      139:
1.126     nicm      140:        struct mode_key_data     mdata;
1.21      nicm      141:
1.126     nicm      142:        u_int                    oy;
1.21      nicm      143:
1.126     nicm      144:        u_int                    selx;
                    145:        u_int                    sely;
1.1       nicm      146:
1.133     nicm      147:        int                      rectflag;      /* in rectangle copy mode? */
                    148:        int                      scroll_exit;   /* exit on scroll to end? */
1.42      nicm      149:
1.126     nicm      150:        u_int                    cx;
                    151:        u_int                    cy;
1.1       nicm      152:
1.126     nicm      153:        u_int                    lastcx; /* position in last line w/ content */
                    154:        u_int                    lastsx; /* size of last line w/ content */
1.25      nicm      155:
1.21      nicm      156:        enum window_copy_input_type inputtype;
1.126     nicm      157:        const char              *inputprompt;
                    158:        char                    *inputstr;
                    159:        int                      inputexit;
1.1       nicm      160:
1.126     nicm      161:        int                      numprefix;
1.50      nicm      162:
1.21      nicm      163:        enum window_copy_input_type searchtype;
1.126     nicm      164:        char                    *searchstr;
1.52      nicm      165:
                    166:        enum window_copy_input_type jumptype;
1.126     nicm      167:        char                     jumpchar;
1.1       nicm      168: };
                    169:
                    170: struct screen *
                    171: window_copy_init(struct window_pane *wp)
                    172: {
                    173:        struct window_copy_mode_data    *data;
                    174:        struct screen                   *s;
1.10      nicm      175:        int                              keys;
1.1       nicm      176:
                    177:        wp->modedata = data = xmalloc(sizeof *data);
                    178:        data->oy = 0;
1.54      nicm      179:        data->cx = 0;
                    180:        data->cy = 0;
1.1       nicm      181:
1.25      nicm      182:        data->lastcx = 0;
                    183:        data->lastsx = 0;
                    184:
1.54      nicm      185:        data->backing_written = 0;
                    186:
1.42      nicm      187:        data->rectflag = 0;
1.133     nicm      188:        data->scroll_exit = 0;
1.42      nicm      189:
1.21      nicm      190:        data->inputtype = WINDOW_COPY_OFF;
                    191:        data->inputprompt = NULL;
                    192:        data->inputstr = xstrdup("");
1.74      nicm      193:        data->numprefix = -1;
1.21      nicm      194:
                    195:        data->searchtype = WINDOW_COPY_OFF;
                    196:        data->searchstr = NULL;
                    197:
1.61      nicm      198:        if (wp->fd != -1)
                    199:                bufferevent_disable(wp->event, EV_READ|EV_WRITE);
1.46      nicm      200:
1.52      nicm      201:        data->jumptype = WINDOW_COPY_OFF;
                    202:        data->jumpchar = '\0';
                    203:
1.1       nicm      204:        s = &data->screen;
                    205:        screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
                    206:
1.136     nicm      207:        keys = options_get_number(wp->window->options, "mode-keys");
1.10      nicm      208:        if (keys == MODEKEY_EMACS)
1.12      nicm      209:                mode_key_init(&data->mdata, &mode_key_tree_emacs_copy);
1.10      nicm      210:        else
1.12      nicm      211:                mode_key_init(&data->mdata, &mode_key_tree_vi_copy);
1.112     nicm      212:        s->sel.modekeys = keys;
1.1       nicm      213:
1.54      nicm      214:        data->backing = NULL;
                    215:
                    216:        return (s);
                    217: }
                    218:
                    219: void
1.134     nicm      220: window_copy_init_from_pane(struct window_pane *wp, int scroll_exit)
1.54      nicm      221: {
                    222:        struct window_copy_mode_data    *data = wp->modedata;
                    223:        struct screen                   *s = &data->screen;
                    224:        struct screen_write_ctx          ctx;
                    225:        u_int                            i;
                    226:
                    227:        if (wp->mode != &window_copy_mode)
                    228:                fatalx("not in copy mode");
                    229:
                    230:        data->backing = &wp->base;
                    231:        data->cx = data->backing->cx;
                    232:        data->cy = data->backing->cy;
1.133     nicm      233:        data->scroll_exit = scroll_exit;
1.54      nicm      234:
1.1       nicm      235:        s->cx = data->cx;
                    236:        s->cy = data->cy;
                    237:
                    238:        screen_write_start(&ctx, NULL, s);
                    239:        for (i = 0; i < screen_size_y(s); i++)
                    240:                window_copy_write_line(wp, &ctx, i);
                    241:        screen_write_cursormove(&ctx, data->cx, data->cy);
                    242:        screen_write_stop(&ctx);
1.54      nicm      243: }
1.1       nicm      244:
1.54      nicm      245: void
                    246: window_copy_init_for_output(struct window_pane *wp)
                    247: {
                    248:        struct window_copy_mode_data    *data = wp->modedata;
                    249:
                    250:        data->backing = xmalloc(sizeof *data->backing);
                    251:        screen_init(data->backing, screen_size_x(&wp->base),
                    252:            screen_size_y(&wp->base), UINT_MAX);
1.1       nicm      253: }
                    254:
                    255: void
                    256: window_copy_free(struct window_pane *wp)
                    257: {
                    258:        struct window_copy_mode_data    *data = wp->modedata;
1.46      nicm      259:
1.61      nicm      260:        if (wp->fd != -1)
                    261:                bufferevent_enable(wp->event, EV_READ|EV_WRITE);
1.1       nicm      262:
1.81      nicm      263:        free(data->searchstr);
                    264:        free(data->inputstr);
1.21      nicm      265:
1.54      nicm      266:        if (data->backing != &wp->base) {
                    267:                screen_free(data->backing);
1.81      nicm      268:                free(data->backing);
1.54      nicm      269:        }
1.1       nicm      270:        screen_free(&data->screen);
1.21      nicm      271:
1.81      nicm      272:        free(data);
1.1       nicm      273: }
                    274:
                    275: void
1.54      nicm      276: window_copy_add(struct window_pane *wp, const char *fmt, ...)
                    277: {
                    278:        va_list ap;
                    279:
                    280:        va_start(ap, fmt);
                    281:        window_copy_vadd(wp, fmt, ap);
                    282:        va_end(ap);
                    283: }
                    284:
                    285: void
                    286: window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap)
                    287: {
                    288:        struct window_copy_mode_data    *data = wp->modedata;
                    289:        struct screen                   *backing = data->backing;
                    290:        struct screen_write_ctx          back_ctx, ctx;
                    291:        struct grid_cell                 gc;
1.119     nicm      292:        u_int                            old_hsize, old_cy;
1.54      nicm      293:
                    294:        if (backing == &wp->base)
                    295:                return;
                    296:
                    297:        memcpy(&gc, &grid_default_cell, sizeof gc);
                    298:
                    299:        old_hsize = screen_hsize(data->backing);
                    300:        screen_write_start(&back_ctx, NULL, backing);
                    301:        if (data->backing_written) {
                    302:                /*
                    303:                 * On the second or later line, do a CRLF before writing
                    304:                 * (so it's on a new line).
                    305:                 */
                    306:                screen_write_carriagereturn(&back_ctx);
                    307:                screen_write_linefeed(&back_ctx, 0);
                    308:        } else
                    309:                data->backing_written = 1;
1.119     nicm      310:        old_cy = backing->cy;
1.139     nicm      311:        screen_write_vnputs(&back_ctx, 0, &gc, fmt, ap);
1.54      nicm      312:        screen_write_stop(&back_ctx);
                    313:
                    314:        data->oy += screen_hsize(data->backing) - old_hsize;
                    315:
                    316:        screen_write_start(&ctx, wp, &data->screen);
                    317:
                    318:        /*
                    319:         * If the history has changed, draw the top line.
                    320:         * (If there's any history at all, it has changed.)
                    321:         */
                    322:        if (screen_hsize(data->backing))
                    323:                window_copy_redraw_lines(wp, 0, 1);
                    324:
1.119     nicm      325:        /* Write the new lines. */
                    326:        window_copy_redraw_lines(wp, old_cy, backing->cy - old_cy + 1);
1.54      nicm      327:
                    328:        screen_write_stop(&ctx);
                    329: }
                    330:
                    331: void
1.149     nicm      332: window_copy_pageup(struct window_pane *wp, int half_page)
1.1       nicm      333: {
                    334:        struct window_copy_mode_data    *data = wp->modedata;
                    335:        struct screen                   *s = &data->screen;
1.147     nicm      336:        u_int                            n, ox, oy;
                    337:
                    338:        oy = screen_hsize(data->backing) + data->cy - data->oy;
                    339:        ox = window_copy_find_length(wp, oy);
                    340:
                    341:        if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
                    342:                window_copy_other_end(wp);
                    343:
                    344:        if (data->cx != ox) {
                    345:                data->lastcx = data->cx;
                    346:                data->lastsx = ox;
                    347:        }
                    348:        data->cx = data->lastcx;
1.1       nicm      349:
1.19      nicm      350:        n = 1;
1.149     nicm      351:        if (screen_size_y(s) > 2) {
                    352:                if (half_page)
                    353:                        n = screen_size_y(s) / 2;
                    354:                else
                    355:                        n = screen_size_y(s) - 2;
                    356:        }
1.147     nicm      357:
1.54      nicm      358:        if (data->oy + n > screen_hsize(data->backing))
                    359:                data->oy = screen_hsize(data->backing);
1.1       nicm      360:        else
1.19      nicm      361:                data->oy += n;
1.147     nicm      362:
                    363:        if (!data->screen.sel.flag || !data->rectflag) {
                    364:                u_int py = screen_hsize(data->backing) + data->cy - data->oy;
                    365:                u_int px = window_copy_find_length(wp, py);
                    366:                if ((data->cx >= data->lastsx && data->cx != px) || data->cx > px)
                    367:                        window_copy_cursor_end_of_line(wp);
                    368:        }
                    369:
                    370:        window_copy_update_selection(wp, 1);
                    371:        window_copy_redraw_screen(wp);
                    372: }
                    373:
                    374: void
1.149     nicm      375: window_copy_pagedown(struct window_pane *wp, int half_page)
1.147     nicm      376: {
                    377:        struct window_copy_mode_data    *data = wp->modedata;
                    378:        struct screen                   *s = &data->screen;
                    379:        u_int                            n, ox, oy;
                    380:
                    381:        oy = screen_hsize(data->backing) + data->cy - data->oy;
                    382:        ox = window_copy_find_length(wp, oy);
                    383:
                    384:        if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT && oy == data->sely)
                    385:                window_copy_other_end(wp);
                    386:
                    387:        if (data->cx != ox) {
                    388:                data->lastcx = data->cx;
                    389:                data->lastsx = ox;
                    390:        }
                    391:        data->cx = data->lastcx;
                    392:
                    393:        n = 1;
1.149     nicm      394:        if (screen_size_y(s) > 2) {
                    395:                if (half_page)
                    396:                        n = screen_size_y(s) / 2;
                    397:                else
                    398:                        n = screen_size_y(s) - 2;
                    399:        }
1.147     nicm      400:
                    401:        if (data->oy < n)
                    402:                data->oy = 0;
                    403:        else
                    404:                data->oy -= n;
                    405:
                    406:        if (!data->screen.sel.flag || !data->rectflag) {
                    407:                u_int py = screen_hsize(data->backing) + data->cy - data->oy;
                    408:                u_int px = window_copy_find_length(wp, py);
                    409:                if ((data->cx >= data->lastsx && data->cx != px) || data->cx > px)
                    410:                        window_copy_cursor_end_of_line(wp);
                    411:        }
                    412:
                    413:        if (data->scroll_exit && data->oy == 0) {
                    414:                window_pane_reset_mode(wp);
                    415:                return;
                    416:        }
                    417:
1.96      nicm      418:        window_copy_update_selection(wp, 1);
1.1       nicm      419:        window_copy_redraw_screen(wp);
                    420: }
                    421:
                    422: void
1.148     nicm      423: window_copy_previous_paragraph(struct window_pane *wp)
                    424: {
                    425:        struct window_copy_mode_data    *data = wp->modedata;
1.151     nicm      426:        u_int                            oy;
1.148     nicm      427:
                    428:        oy = screen_hsize(data->backing) + data->cy - data->oy;
                    429:
                    430:        while (oy > 0 && window_copy_find_length(wp, oy) == 0)
                    431:                oy--;
                    432:
                    433:        while (oy > 0 && window_copy_find_length(wp, oy) > 0)
                    434:                oy--;
                    435:
                    436:        window_copy_scroll_to(wp, 0, oy);
                    437: }
                    438:
                    439: void
                    440: window_copy_next_paragraph(struct window_pane *wp)
                    441: {
                    442:        struct window_copy_mode_data    *data = wp->modedata;
                    443:        struct screen                   *s = &data->screen;
                    444:        u_int                            maxy, ox, oy;
                    445:
                    446:        oy = screen_hsize(data->backing) + data->cy - data->oy;
                    447:        maxy = screen_hsize(data->backing) + screen_size_y(s) - 1;
                    448:
                    449:        while (oy < maxy && window_copy_find_length(wp, oy) == 0)
                    450:                oy++;
                    451:
                    452:        while (oy < maxy && window_copy_find_length(wp, oy) > 0)
                    453:                oy++;
                    454:
                    455:        ox = window_copy_find_length(wp, oy);
                    456:        window_copy_scroll_to(wp, ox, oy);
                    457: }
                    458:
                    459: void
1.1       nicm      460: window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
                    461: {
                    462:        struct window_copy_mode_data    *data = wp->modedata;
                    463:        struct screen                   *s = &data->screen;
                    464:        struct screen_write_ctx          ctx;
                    465:
1.119     nicm      466:        screen_resize(s, sx, sy, 1);
1.54      nicm      467:        if (data->backing != &wp->base)
1.119     nicm      468:                screen_resize(data->backing, sx, sy, 1);
1.35      nicm      469:
1.18      nicm      470:        if (data->cy > sy - 1)
                    471:                data->cy = sy - 1;
                    472:        if (data->cx > sx)
                    473:                data->cx = sx;
1.63      nicm      474:        if (data->oy > screen_hsize(data->backing))
                    475:                data->oy = screen_hsize(data->backing);
1.18      nicm      476:
1.47      nicm      477:        window_copy_clear_selection(wp);
1.18      nicm      478:
1.1       nicm      479:        screen_write_start(&ctx, NULL, s);
                    480:        window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
                    481:        screen_write_stop(&ctx);
1.18      nicm      482:
1.17      nicm      483:        window_copy_redraw_screen(wp);
1.1       nicm      484: }
                    485:
                    486: void
1.126     nicm      487: window_copy_key(struct window_pane *wp, struct client *c, struct session *sess,
1.138     nicm      488:     key_code key, struct mouse_event *m)
1.1       nicm      489: {
1.48      nicm      490:        const char                      *word_separators;
1.1       nicm      491:        struct window_copy_mode_data    *data = wp->modedata;
                    492:        struct screen                   *s = &data->screen;
1.149     nicm      493:        u_int                            np;
1.126     nicm      494:        int                              keys;
1.43      nicm      495:        enum mode_key_cmd                cmd;
1.118     nicm      496:        const char                      *arg, *ss;
1.21      nicm      497:
1.126     nicm      498:        np = 1;
                    499:        if (data->numprefix > 0)
                    500:                np = data->numprefix;
1.50      nicm      501:
1.67      nicm      502:        if (data->inputtype == WINDOW_COPY_JUMPFORWARD ||
1.76      nicm      503:            data->inputtype == WINDOW_COPY_JUMPBACK ||
                    504:            data->inputtype == WINDOW_COPY_JUMPTOFORWARD ||
                    505:            data->inputtype == WINDOW_COPY_JUMPTOBACK) {
1.52      nicm      506:                /* Ignore keys with modifiers. */
1.59      nicm      507:                if ((key & KEYC_MASK_MOD) == 0) {
1.52      nicm      508:                        data->jumpchar = key;
                    509:                        if (data->inputtype == WINDOW_COPY_JUMPFORWARD) {
                    510:                                for (; np != 0; np--)
                    511:                                        window_copy_cursor_jump(wp);
1.122     nicm      512:                        }
                    513:                        if (data->inputtype == WINDOW_COPY_JUMPBACK) {
1.52      nicm      514:                                for (; np != 0; np--)
                    515:                                        window_copy_cursor_jump_back(wp);
1.122     nicm      516:                        }
                    517:                        if (data->inputtype == WINDOW_COPY_JUMPTOFORWARD) {
1.76      nicm      518:                                for (; np != 0; np--)
1.127     nicm      519:                                        window_copy_cursor_jump_to(wp, 0);
1.122     nicm      520:                        }
                    521:                        if (data->inputtype == WINDOW_COPY_JUMPTOBACK) {
1.76      nicm      522:                                for (; np != 0; np--)
1.127     nicm      523:                                        window_copy_cursor_jump_to_back(wp, 0);
1.52      nicm      524:                        }
                    525:                }
                    526:                data->jumptype = data->inputtype;
                    527:                data->inputtype = WINDOW_COPY_OFF;
                    528:                window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    529:                return;
1.67      nicm      530:        } else if (data->inputtype == WINDOW_COPY_NUMERICPREFIX) {
1.50      nicm      531:                if (window_copy_key_numeric_prefix(wp, key) == 0)
                    532:                        return;
                    533:                data->inputtype = WINDOW_COPY_OFF;
                    534:                window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    535:        } else if (data->inputtype != WINDOW_COPY_OFF) {
1.21      nicm      536:                if (window_copy_key_input(wp, key) != 0)
                    537:                        goto input_off;
                    538:                return;
                    539:        }
1.1       nicm      540:
1.152   ! nicm      541:        cmd = mode_key_lookup(&data->mdata, key, &arg, &np);
        !           542:        if (data->numprefix > 0)
        !           543:                np = data->numprefix;
1.133     nicm      544:        if (cmd != MODEKEYCOPY_PREVIOUSPAGE &&
                    545:            cmd != MODEKEYCOPY_NEXTPAGE &&
                    546:            cmd != MODEKEYCOPY_SCROLLUP &&
                    547:            cmd != MODEKEYCOPY_SCROLLDOWN &&
                    548:            cmd != MODEKEYCOPY_HALFPAGEUP &&
                    549:            cmd != MODEKEYCOPY_HALFPAGEDOWN)
                    550:                data->scroll_exit = 0;
1.43      nicm      551:        switch (cmd) {
1.103     nicm      552:        case MODEKEYCOPY_APPENDSELECTION:
                    553:                if (sess != NULL) {
1.108     nicm      554:                        window_copy_append_selection(wp, NULL);
1.125     nicm      555:                        if (arg == NULL) {
                    556:                                window_pane_reset_mode(wp);
                    557:                                return;
                    558:                        }
                    559:                        window_copy_clear_selection(wp);
                    560:                        window_copy_redraw_screen(wp);
1.103     nicm      561:                }
                    562:                break;
1.11      nicm      563:        case MODEKEYCOPY_CANCEL:
1.51      nicm      564:                window_pane_reset_mode(wp);
                    565:                return;
1.95      nicm      566:        case MODEKEYCOPY_OTHEREND:
1.113     nicm      567:                if (np % 2)
1.95      nicm      568:                        window_copy_other_end(wp);
                    569:                break;
1.10      nicm      570:        case MODEKEYCOPY_LEFT:
1.50      nicm      571:                for (; np != 0; np--)
                    572:                        window_copy_cursor_left(wp);
                    573:                break;
1.10      nicm      574:        case MODEKEYCOPY_RIGHT:
1.50      nicm      575:                for (; np != 0; np--)
                    576:                        window_copy_cursor_right(wp);
                    577:                break;
1.10      nicm      578:        case MODEKEYCOPY_UP:
1.50      nicm      579:                for (; np != 0; np--)
                    580:                        window_copy_cursor_up(wp, 0);
                    581:                break;
1.10      nicm      582:        case MODEKEYCOPY_DOWN:
1.50      nicm      583:                for (; np != 0; np--)
                    584:                        window_copy_cursor_down(wp, 0);
                    585:                break;
1.28      nicm      586:        case MODEKEYCOPY_SCROLLUP:
1.50      nicm      587:                for (; np != 0; np--)
                    588:                        window_copy_cursor_up(wp, 1);
1.28      nicm      589:                break;
                    590:        case MODEKEYCOPY_SCROLLDOWN:
1.50      nicm      591:                for (; np != 0; np--)
                    592:                        window_copy_cursor_down(wp, 1);
1.133     nicm      593:                if (data->scroll_exit && data->oy == 0) {
                    594:                        window_pane_reset_mode(wp);
                    595:                        return;
                    596:                }
1.28      nicm      597:                break;
1.10      nicm      598:        case MODEKEYCOPY_PREVIOUSPAGE:
1.50      nicm      599:                for (; np != 0; np--)
1.149     nicm      600:                        window_copy_pageup(wp, 0);
1.1       nicm      601:                break;
1.10      nicm      602:        case MODEKEYCOPY_NEXTPAGE:
1.147     nicm      603:                for (; np != 0; np--)
1.149     nicm      604:                        window_copy_pagedown(wp, 0);
1.148     nicm      605:                break;
                    606:        case MODEKEYCOPY_PREVIOUSPARAGRAPH:
                    607:                for (; np != 0; np--)
                    608:                        window_copy_previous_paragraph(wp);
                    609:                break;
                    610:        case MODEKEYCOPY_NEXTPARAGRAPH:
                    611:                for (; np != 0; np--)
                    612:                        window_copy_next_paragraph(wp);
1.20      nicm      613:                break;
                    614:        case MODEKEYCOPY_HALFPAGEUP:
1.149     nicm      615:                for (; np != 0; np--)
                    616:                        window_copy_pageup(wp, 1);
1.20      nicm      617:                break;
                    618:        case MODEKEYCOPY_HALFPAGEDOWN:
1.149     nicm      619:                for (; np != 0; np--)
                    620:                        window_copy_pagedown(wp, 1);
1.30      nicm      621:                break;
                    622:        case MODEKEYCOPY_TOPLINE:
                    623:                data->cx = 0;
                    624:                data->cy = 0;
1.96      nicm      625:                window_copy_update_selection(wp, 1);
1.30      nicm      626:                window_copy_redraw_screen(wp);
                    627:                break;
                    628:        case MODEKEYCOPY_MIDDLELINE:
                    629:                data->cx = 0;
                    630:                data->cy = (screen_size_y(s) - 1) / 2;
1.96      nicm      631:                window_copy_update_selection(wp, 1);
1.30      nicm      632:                window_copy_redraw_screen(wp);
                    633:                break;
                    634:        case MODEKEYCOPY_BOTTOMLINE:
                    635:                data->cx = 0;
                    636:                data->cy = screen_size_y(s) - 1;
1.96      nicm      637:                window_copy_update_selection(wp, 1);
1.37      nicm      638:                window_copy_redraw_screen(wp);
                    639:                break;
                    640:        case MODEKEYCOPY_HISTORYTOP:
                    641:                data->cx = 0;
                    642:                data->cy = 0;
1.54      nicm      643:                data->oy = screen_hsize(data->backing);
1.96      nicm      644:                window_copy_update_selection(wp, 1);
1.37      nicm      645:                window_copy_redraw_screen(wp);
                    646:                break;
                    647:        case MODEKEYCOPY_HISTORYBOTTOM:
                    648:                data->cx = 0;
                    649:                data->cy = screen_size_y(s) - 1;
                    650:                data->oy = 0;
1.96      nicm      651:                window_copy_update_selection(wp, 1);
1.1       nicm      652:                window_copy_redraw_screen(wp);
                    653:                break;
1.10      nicm      654:        case MODEKEYCOPY_STARTSELECTION:
1.126     nicm      655:                if (KEYC_IS_MOUSE(key)) {
                    656:                        if (c != NULL)
                    657:                                window_copy_start_drag(c, m);
                    658:                } else {
                    659:                        s->sel.lineflag = LINE_SEL_NONE;
                    660:                        window_copy_start_selection(wp);
                    661:                        window_copy_redraw_screen(wp);
                    662:                }
1.71      nicm      663:                break;
1.118     nicm      664:        case MODEKEYCOPY_SELECTLINE:
                    665:                s->sel.lineflag = LINE_SEL_LEFT_RIGHT;
                    666:                data->rectflag = 0;
                    667:                /* FALLTHROUGH */
1.71      nicm      668:        case MODEKEYCOPY_COPYLINE:
                    669:                window_copy_cursor_start_of_line(wp);
                    670:                /* FALLTHROUGH */
                    671:        case MODEKEYCOPY_COPYENDOFLINE:
                    672:                window_copy_start_selection(wp);
                    673:                for (; np > 1; np--)
                    674:                        window_copy_cursor_down(wp, 0);
                    675:                window_copy_cursor_end_of_line(wp);
                    676:                window_copy_redraw_screen(wp);
                    677:
                    678:                /* If a copy command then copy the selection and exit. */
                    679:                if (sess != NULL &&
                    680:                    (cmd == MODEKEYCOPY_COPYLINE ||
                    681:                    cmd == MODEKEYCOPY_COPYENDOFLINE)) {
1.108     nicm      682:                        window_copy_copy_selection(wp, NULL);
1.71      nicm      683:                        window_pane_reset_mode(wp);
                    684:                        return;
                    685:                }
1.1       nicm      686:                break;
1.10      nicm      687:        case MODEKEYCOPY_CLEARSELECTION:
1.47      nicm      688:                window_copy_clear_selection(wp);
1.1       nicm      689:                window_copy_redraw_screen(wp);
                    690:                break;
1.89      nicm      691:        case MODEKEYCOPY_COPYPIPE:
                    692:                if (sess != NULL) {
1.108     nicm      693:                        window_copy_copy_pipe(wp, sess, NULL, arg);
1.89      nicm      694:                        window_pane_reset_mode(wp);
                    695:                        return;
                    696:                }
                    697:                break;
1.10      nicm      698:        case MODEKEYCOPY_COPYSELECTION:
1.56      nicm      699:                if (sess != NULL) {
1.108     nicm      700:                        window_copy_copy_selection(wp, NULL);
1.125     nicm      701:                        if (arg == NULL) {
                    702:                                window_pane_reset_mode(wp);
                    703:                                return;
                    704:                        }
                    705:                        window_copy_clear_selection(wp);
                    706:                        window_copy_redraw_screen(wp);
1.1       nicm      707:                }
                    708:                break;
1.10      nicm      709:        case MODEKEYCOPY_STARTOFLINE:
1.1       nicm      710:                window_copy_cursor_start_of_line(wp);
                    711:                break;
1.10      nicm      712:        case MODEKEYCOPY_BACKTOINDENTATION:
1.6       nicm      713:                window_copy_cursor_back_to_indentation(wp);
                    714:                break;
1.10      nicm      715:        case MODEKEYCOPY_ENDOFLINE:
1.1       nicm      716:                window_copy_cursor_end_of_line(wp);
                    717:                break;
1.41      nicm      718:        case MODEKEYCOPY_NEXTSPACE:
1.50      nicm      719:                for (; np != 0; np--)
                    720:                        window_copy_cursor_next_word(wp, " ");
1.41      nicm      721:                break;
                    722:        case MODEKEYCOPY_NEXTSPACEEND:
1.50      nicm      723:                for (; np != 0; np--)
                    724:                        window_copy_cursor_next_word_end(wp, " ");
1.41      nicm      725:                break;
1.10      nicm      726:        case MODEKEYCOPY_NEXTWORD:
1.48      nicm      727:                word_separators =
1.136     nicm      728:                    options_get_string(sess->options, "word-separators");
1.50      nicm      729:                for (; np != 0; np--)
                    730:                        window_copy_cursor_next_word(wp, word_separators);
1.1       nicm      731:                break;
1.40      nicm      732:        case MODEKEYCOPY_NEXTWORDEND:
1.48      nicm      733:                word_separators =
1.136     nicm      734:                    options_get_string(sess->options, "word-separators");
1.50      nicm      735:                for (; np != 0; np--)
                    736:                        window_copy_cursor_next_word_end(wp, word_separators);
1.41      nicm      737:                break;
                    738:        case MODEKEYCOPY_PREVIOUSSPACE:
1.50      nicm      739:                for (; np != 0; np--)
                    740:                        window_copy_cursor_previous_word(wp, " ");
1.40      nicm      741:                break;
1.10      nicm      742:        case MODEKEYCOPY_PREVIOUSWORD:
1.48      nicm      743:                word_separators =
1.136     nicm      744:                    options_get_string(sess->options, "word-separators");
1.50      nicm      745:                for (; np != 0; np--)
                    746:                        window_copy_cursor_previous_word(wp, word_separators);
1.1       nicm      747:                break;
1.52      nicm      748:        case MODEKEYCOPY_JUMP:
                    749:                data->inputtype = WINDOW_COPY_JUMPFORWARD;
                    750:                data->inputprompt = "Jump Forward";
                    751:                *data->inputstr = '\0';
                    752:                window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    753:                return; /* skip numprefix reset */
                    754:        case MODEKEYCOPY_JUMPAGAIN:
                    755:                if (data->jumptype == WINDOW_COPY_JUMPFORWARD) {
                    756:                        for (; np != 0; np--)
                    757:                                window_copy_cursor_jump(wp);
                    758:                } else if (data->jumptype == WINDOW_COPY_JUMPBACK) {
                    759:                        for (; np != 0; np--)
                    760:                                window_copy_cursor_jump_back(wp);
1.76      nicm      761:                } else if (data->jumptype == WINDOW_COPY_JUMPTOFORWARD) {
                    762:                        for (; np != 0; np--)
1.127     nicm      763:                                window_copy_cursor_jump_to(wp, 1);
1.76      nicm      764:                } else if (data->jumptype == WINDOW_COPY_JUMPTOBACK) {
                    765:                        for (; np != 0; np--)
1.127     nicm      766:                                window_copy_cursor_jump_to_back(wp, 1);
1.52      nicm      767:                }
                    768:                break;
                    769:        case MODEKEYCOPY_JUMPREVERSE:
                    770:                if (data->jumptype == WINDOW_COPY_JUMPFORWARD) {
                    771:                        for (; np != 0; np--)
                    772:                                window_copy_cursor_jump_back(wp);
                    773:                } else if (data->jumptype == WINDOW_COPY_JUMPBACK) {
                    774:                        for (; np != 0; np--)
                    775:                                window_copy_cursor_jump(wp);
1.76      nicm      776:                } else if (data->jumptype == WINDOW_COPY_JUMPTOFORWARD) {
                    777:                        for (; np != 0; np--)
1.127     nicm      778:                                window_copy_cursor_jump_to_back(wp, 1);
1.76      nicm      779:                } else if (data->jumptype == WINDOW_COPY_JUMPTOBACK) {
                    780:                        for (; np != 0; np--)
1.127     nicm      781:                                window_copy_cursor_jump_to(wp, 1);
1.52      nicm      782:                }
                    783:                break;
                    784:        case MODEKEYCOPY_JUMPBACK:
                    785:                data->inputtype = WINDOW_COPY_JUMPBACK;
                    786:                data->inputprompt = "Jump Back";
                    787:                *data->inputstr = '\0';
                    788:                window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    789:                return; /* skip numprefix reset */
1.76      nicm      790:        case MODEKEYCOPY_JUMPTO:
                    791:                data->inputtype = WINDOW_COPY_JUMPTOFORWARD;
                    792:                data->inputprompt = "Jump To";
                    793:                *data->inputstr = '\0';
                    794:                window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    795:                return; /* skip numprefix reset */
                    796:        case MODEKEYCOPY_JUMPTOBACK:
                    797:                data->inputtype = WINDOW_COPY_JUMPTOBACK;
                    798:                data->inputprompt = "Jump To Back";
                    799:                *data->inputstr = '\0';
                    800:                window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    801:                return; /* skip numprefix reset */
1.21      nicm      802:        case MODEKEYCOPY_SEARCHUP:
                    803:                data->inputtype = WINDOW_COPY_SEARCHUP;
                    804:                data->inputprompt = "Search Up";
                    805:                goto input_on;
                    806:        case MODEKEYCOPY_SEARCHDOWN:
                    807:                data->inputtype = WINDOW_COPY_SEARCHDOWN;
                    808:                data->inputprompt = "Search Down";
                    809:                goto input_on;
                    810:        case MODEKEYCOPY_SEARCHAGAIN:
1.43      nicm      811:        case MODEKEYCOPY_SEARCHREVERSE:
1.21      nicm      812:                switch (data->searchtype) {
                    813:                case WINDOW_COPY_OFF:
                    814:                case WINDOW_COPY_GOTOLINE:
1.52      nicm      815:                case WINDOW_COPY_JUMPFORWARD:
                    816:                case WINDOW_COPY_JUMPBACK:
1.76      nicm      817:                case WINDOW_COPY_JUMPTOFORWARD:
                    818:                case WINDOW_COPY_JUMPTOBACK:
1.109     nicm      819:                case WINDOW_COPY_NAMEDBUFFER:
1.50      nicm      820:                case WINDOW_COPY_NUMERICPREFIX:
1.21      nicm      821:                        break;
                    822:                case WINDOW_COPY_SEARCHUP:
1.118     nicm      823:                        ss = data->searchstr;
1.50      nicm      824:                        if (cmd == MODEKEYCOPY_SEARCHAGAIN) {
1.118     nicm      825:                                for (; np != 0; np--)
1.150     nicm      826:                                        window_copy_search_up(wp, ss, 1);
1.50      nicm      827:                        } else {
1.118     nicm      828:                                for (; np != 0; np--)
1.150     nicm      829:                                        window_copy_search_down(wp, ss, 1);
1.50      nicm      830:                        }
1.21      nicm      831:                        break;
                    832:                case WINDOW_COPY_SEARCHDOWN:
1.118     nicm      833:                        ss = data->searchstr;
1.50      nicm      834:                        if (cmd == MODEKEYCOPY_SEARCHAGAIN) {
1.118     nicm      835:                                for (; np != 0; np--)
1.150     nicm      836:                                        window_copy_search_down(wp, ss, 1);
1.50      nicm      837:                        } else {
1.118     nicm      838:                                for (; np != 0; np--)
1.150     nicm      839:                                        window_copy_search_up(wp, ss, 1);
1.50      nicm      840:                        }
1.21      nicm      841:                        break;
                    842:                }
                    843:                break;
                    844:        case MODEKEYCOPY_GOTOLINE:
                    845:                data->inputtype = WINDOW_COPY_GOTOLINE;
                    846:                data->inputprompt = "Goto Line";
                    847:                *data->inputstr = '\0';
                    848:                goto input_on;
1.109     nicm      849:        case MODEKEYCOPY_STARTNAMEDBUFFER:
                    850:                data->inputtype = WINDOW_COPY_NAMEDBUFFER;
1.125     nicm      851:                data->inputexit = (arg == NULL);
1.109     nicm      852:                data->inputprompt = "Buffer";
                    853:                *data->inputstr = '\0';
                    854:                goto input_on;
1.50      nicm      855:        case MODEKEYCOPY_STARTNUMBERPREFIX:
1.59      nicm      856:                key &= KEYC_MASK_KEY;
1.50      nicm      857:                if (key >= '0' && key <= '9') {
                    858:                        data->inputtype = WINDOW_COPY_NUMERICPREFIX;
                    859:                        data->numprefix = 0;
                    860:                        window_copy_key_numeric_prefix(wp, key);
                    861:                        return;
                    862:                }
                    863:                break;
1.42      nicm      864:        case MODEKEYCOPY_RECTANGLETOGGLE:
1.118     nicm      865:                s->sel.lineflag = LINE_SEL_NONE;
1.42      nicm      866:                window_copy_rectangle_toggle(wp);
1.50      nicm      867:                break;
1.21      nicm      868:        default:
                    869:                break;
                    870:        }
                    871:
1.74      nicm      872:        data->numprefix = -1;
1.21      nicm      873:        return;
                    874:
                    875: input_on:
1.136     nicm      876:        keys = options_get_number(wp->window->options, "mode-keys");
1.21      nicm      877:        if (keys == MODEKEY_EMACS)
                    878:                mode_key_init(&data->mdata, &mode_key_tree_emacs_edit);
                    879:        else
                    880:                mode_key_init(&data->mdata, &mode_key_tree_vi_edit);
                    881:
                    882:        window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    883:        return;
                    884:
                    885: input_off:
1.136     nicm      886:        keys = options_get_number(wp->window->options, "mode-keys");
1.21      nicm      887:        if (keys == MODEKEY_EMACS)
                    888:                mode_key_init(&data->mdata, &mode_key_tree_emacs_copy);
                    889:        else
                    890:                mode_key_init(&data->mdata, &mode_key_tree_vi_copy);
                    891:
                    892:        data->inputtype = WINDOW_COPY_OFF;
                    893:        data->inputprompt = NULL;
                    894:
                    895:        window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    896: }
                    897:
                    898: int
1.138     nicm      899: window_copy_key_input(struct window_pane *wp, key_code key)
1.21      nicm      900: {
                    901:        struct window_copy_mode_data    *data = wp->modedata;
                    902:        struct screen                   *s = &data->screen;
1.132     nicm      903:        const char                      *bufdata;
                    904:        size_t                           inputlen, n, bufsize;
1.152   ! nicm      905:        u_int                            np;
1.100     nicm      906:        struct paste_buffer             *pb;
                    907:        u_char                           ch;
1.21      nicm      908:
1.152   ! nicm      909:        switch (mode_key_lookup(&data->mdata, key, NULL, &np)) {
1.21      nicm      910:        case MODEKEYEDIT_CANCEL:
1.74      nicm      911:                data->numprefix = -1;
1.21      nicm      912:                return (-1);
                    913:        case MODEKEYEDIT_BACKSPACE:
                    914:                inputlen = strlen(data->inputstr);
                    915:                if (inputlen > 0)
                    916:                        data->inputstr[inputlen - 1] = '\0';
1.22      nicm      917:                break;
                    918:        case MODEKEYEDIT_DELETELINE:
                    919:                *data->inputstr = '\0';
1.21      nicm      920:                break;
1.100     nicm      921:        case MODEKEYEDIT_PASTE:
1.132     nicm      922:                if ((pb = paste_get_top(NULL)) == NULL)
1.100     nicm      923:                        break;
1.132     nicm      924:                bufdata = paste_buffer_data(pb, &bufsize);
                    925:                for (n = 0; n < bufsize; n++) {
                    926:                        ch = (u_char)bufdata[n];
1.100     nicm      927:                        if (ch < 32 || ch == 127)
                    928:                                break;
                    929:                }
                    930:                inputlen = strlen(data->inputstr);
                    931:
1.116     nicm      932:                data->inputstr = xrealloc(data->inputstr, inputlen + n + 1);
1.132     nicm      933:                memcpy(data->inputstr + inputlen, bufdata, n);
1.100     nicm      934:                data->inputstr[inputlen + n] = '\0';
                    935:                break;
1.21      nicm      936:        case MODEKEYEDIT_ENTER:
1.152   ! nicm      937:                if (data->numprefix > 0)
        !           938:                        np = data->numprefix;
1.21      nicm      939:                switch (data->inputtype) {
                    940:                case WINDOW_COPY_OFF:
1.52      nicm      941:                case WINDOW_COPY_JUMPFORWARD:
                    942:                case WINDOW_COPY_JUMPBACK:
1.76      nicm      943:                case WINDOW_COPY_JUMPTOFORWARD:
                    944:                case WINDOW_COPY_JUMPTOBACK:
1.50      nicm      945:                case WINDOW_COPY_NUMERICPREFIX:
1.21      nicm      946:                        break;
                    947:                case WINDOW_COPY_SEARCHUP:
                    948:                        data->searchtype = data->inputtype;
                    949:                        data->searchstr = xstrdup(data->inputstr);
1.150     nicm      950:                        for (; np != 0; np--)
                    951:                                window_copy_search_up(wp, data->inputstr, 0);
1.21      nicm      952:                        break;
                    953:                case WINDOW_COPY_SEARCHDOWN:
                    954:                        data->searchtype = data->inputtype;
                    955:                        data->searchstr = xstrdup(data->inputstr);
1.150     nicm      956:                        for (; np != 0; np--)
                    957:                                window_copy_search_down(wp, data->inputstr, 0);
1.21      nicm      958:                        break;
1.109     nicm      959:                case WINDOW_COPY_NAMEDBUFFER:
                    960:                        window_copy_copy_selection(wp, data->inputstr);
                    961:                        *data->inputstr = '\0';
1.125     nicm      962:                        if (data->inputexit) {
                    963:                                window_pane_reset_mode(wp);
                    964:                                return (0);
                    965:                        }
                    966:                        window_copy_clear_selection(wp);
                    967:                        window_copy_redraw_screen(wp);
                    968:                        break;
1.21      nicm      969:                case WINDOW_COPY_GOTOLINE:
                    970:                        window_copy_goto_line(wp, data->inputstr);
                    971:                        *data->inputstr = '\0';
                    972:                        break;
                    973:                }
1.74      nicm      974:                data->numprefix = -1;
1.21      nicm      975:                return (1);
                    976:        case MODEKEY_OTHER:
                    977:                if (key < 32 || key > 126)
                    978:                        break;
                    979:                inputlen = strlen(data->inputstr) + 2;
1.35      nicm      980:
1.116     nicm      981:                data->inputstr = xrealloc(data->inputstr, inputlen);
1.21      nicm      982:                data->inputstr[inputlen - 2] = key;
                    983:                data->inputstr[inputlen - 1] = '\0';
                    984:                break;
1.1       nicm      985:        default:
                    986:                break;
                    987:        }
1.21      nicm      988:
                    989:        window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
                    990:        return (0);
1.1       nicm      991: }
                    992:
1.50      nicm      993: int
1.138     nicm      994: window_copy_key_numeric_prefix(struct window_pane *wp, key_code key)
1.50      nicm      995: {
                    996:        struct window_copy_mode_data    *data = wp->modedata;
                    997:        struct screen                   *s = &data->screen;
                    998:
1.59      nicm      999:        key &= KEYC_MASK_KEY;
1.50      nicm     1000:        if (key < '0' || key > '9')
1.80      nicm     1001:                return (1);
1.50      nicm     1002:
1.74      nicm     1003:        if (data->numprefix >= 100)     /* no more than three digits */
1.80      nicm     1004:                return (0);
1.50      nicm     1005:        data->numprefix = data->numprefix * 10 + key - '0';
                   1006:
                   1007:        window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1);
1.80      nicm     1008:        return (0);
1.50      nicm     1009: }
                   1010:
1.1       nicm     1011: void
1.21      nicm     1012: window_copy_scroll_to(struct window_pane *wp, u_int px, u_int py)
                   1013: {
                   1014:        struct window_copy_mode_data    *data = wp->modedata;
1.54      nicm     1015:        struct grid                     *gd = data->backing->grid;
1.21      nicm     1016:        u_int                            offset, gap;
                   1017:
                   1018:        data->cx = px;
                   1019:
                   1020:        gap = gd->sy / 4;
                   1021:        if (py < gd->sy) {
                   1022:                offset = 0;
                   1023:                data->cy = py;
                   1024:        } else if (py > gd->hsize + gd->sy - gap) {
                   1025:                offset = gd->hsize;
                   1026:                data->cy = py - gd->hsize;
                   1027:        } else {
                   1028:                offset = py + gap - gd->sy;
                   1029:                data->cy = py - offset;
                   1030:        }
1.35      nicm     1031:        data->oy = gd->hsize - offset;
1.21      nicm     1032:
1.96      nicm     1033:        window_copy_update_selection(wp, 1);
1.21      nicm     1034:        window_copy_redraw_screen(wp);
                   1035: }
                   1036:
                   1037: int
1.118     nicm     1038: window_copy_search_compare(struct grid *gd, u_int px, u_int py,
                   1039:     struct grid *sgd, u_int spx, int cis)
1.21      nicm     1040: {
1.140     nicm     1041:        struct grid_cell         gc, sgc;
                   1042:        const struct utf8_data  *ud, *sud;
1.21      nicm     1043:
1.140     nicm     1044:        grid_get_cell(gd, px, py, &gc);
                   1045:        ud = &gc.data;
                   1046:        grid_get_cell(sgd, spx, 0, &sgc);
                   1047:        sud = &sgc.data;
1.35      nicm     1048:
1.140     nicm     1049:        if (ud->size != sud->size || ud->width != sud->width)
1.21      nicm     1050:                return (0);
1.97      nicm     1051:
1.140     nicm     1052:        if (cis && ud->size == 1)
                   1053:                return (tolower(ud->data[0]) == sud->data[0]);
1.97      nicm     1054:
1.140     nicm     1055:        return (memcmp(ud->data, sud->data, ud->size) == 0);
1.21      nicm     1056: }
                   1057:
                   1058: int
                   1059: window_copy_search_lr(struct grid *gd,
1.97      nicm     1060:     struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
1.21      nicm     1061: {
                   1062:        u_int   ax, bx, px;
1.97      nicm     1063:        int     matched;
1.21      nicm     1064:
                   1065:        for (ax = first; ax < last; ax++) {
                   1066:                if (ax + sgd->sx >= gd->sx)
                   1067:                        break;
                   1068:                for (bx = 0; bx < sgd->sx; bx++) {
                   1069:                        px = ax + bx;
1.97      nicm     1070:                        matched = window_copy_search_compare(gd, px, py, sgd,
                   1071:                            bx, cis);
                   1072:                        if (!matched)
1.21      nicm     1073:                                break;
                   1074:                }
                   1075:                if (bx == sgd->sx) {
                   1076:                        *ppx = ax;
                   1077:                        return (1);
                   1078:                }
                   1079:        }
                   1080:        return (0);
                   1081: }
                   1082:
                   1083: int
                   1084: window_copy_search_rl(struct grid *gd,
1.97      nicm     1085:     struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
1.21      nicm     1086: {
                   1087:        u_int   ax, bx, px;
1.97      nicm     1088:        int     matched;
1.21      nicm     1089:
                   1090:        for (ax = last + 1; ax > first; ax--) {
1.24      nicm     1091:                if (gd->sx - (ax - 1) < sgd->sx)
                   1092:                        continue;
1.21      nicm     1093:                for (bx = 0; bx < sgd->sx; bx++) {
                   1094:                        px = ax - 1 + bx;
1.97      nicm     1095:                        matched = window_copy_search_compare(gd, px, py, sgd,
                   1096:                            bx, cis);
                   1097:                        if (!matched)
1.21      nicm     1098:                                break;
                   1099:                }
                   1100:                if (bx == sgd->sx) {
                   1101:                        *ppx = ax - 1;
                   1102:                        return (1);
                   1103:                }
                   1104:        }
                   1105:        return (0);
                   1106: }
                   1107:
                   1108: void
1.150     nicm     1109: window_copy_move_left(struct screen *s, u_int *fx, u_int *fy)
1.21      nicm     1110: {
1.150     nicm     1111:        if (*fx == 0) { /* left */
                   1112:                if (*fy == 0) /* top */
                   1113:                        return;
                   1114:                *fx = screen_size_x(s) - 1;
                   1115:                *fy = *fy - 1;
                   1116:        } else
                   1117:                *fx = *fx - 1;
                   1118: }
1.21      nicm     1119:
1.150     nicm     1120: void
                   1121: window_copy_move_right(struct screen *s, u_int *fx, u_int *fy)
                   1122: {
                   1123:        if (*fx == screen_size_x(s) - 1) { /* right */
                   1124:                if (*fy == screen_hsize(s) + screen_size_y(s)) /* bottom */
1.21      nicm     1125:                        return;
1.150     nicm     1126:                *fx = 0;
                   1127:                *fy = *fy + 1;
1.21      nicm     1128:        } else
1.150     nicm     1129:                *fx = *fx + 1;
                   1130: }
1.21      nicm     1131:
1.150     nicm     1132: int
                   1133: window_copy_is_lowercase(const char *ptr)
                   1134: {
                   1135:        while (*ptr != '\0') {
                   1136:                if (*ptr != tolower((u_char)*ptr))
                   1137:                        return (0);
                   1138:                ++ptr;
1.97      nicm     1139:        }
1.150     nicm     1140:        return (1);
                   1141: }
1.97      nicm     1142:
1.150     nicm     1143: /*
                   1144:  * Search for text stored in sgd starting from position fx,fy up to endline. If
                   1145:  * found, jump to it. If cis then ignore case. The direction is 0 for searching
                   1146:  * up, down otherwise. If wrap then go to begin/end of grid and try again if
                   1147:  * not found.
                   1148:  */
                   1149: void
                   1150: window_copy_search_jump(struct window_pane *wp, struct grid *gd,
                   1151:     struct grid *sgd, u_int fx, u_int fy, u_int endline, int cis, int wrap,
                   1152:     int direction)
                   1153: {
                   1154:        u_int   i, px;
                   1155:        int     found;
                   1156:
                   1157:        found = 0;
                   1158:        if (direction) {
                   1159:                for (i = fy; i <= endline; i++) {
                   1160:                        found = window_copy_search_lr(gd, sgd, &px, i, fx,
                   1161:                            gd->sx, cis);
                   1162:                        if (found)
                   1163:                                break;
                   1164:                        fx = 0;
                   1165:                }
                   1166:        } else {
                   1167:                for (i = fy + 1; endline < i; i--) {
                   1168:                        found = window_copy_search_rl(gd, sgd, &px, i - 1, 0,
                   1169:                            fx, cis);
                   1170:                        if (found) {
                   1171:                                i--;
                   1172:                                break;
                   1173:                        }
                   1174:                        fx = gd->sx;
1.21      nicm     1175:                }
                   1176:        }
1.150     nicm     1177:
                   1178:        if (found)
                   1179:                window_copy_scroll_to(wp, px, i);
                   1180:        else if (wrap) {
                   1181:                window_copy_search_jump(wp, gd, sgd, direction ? 0 : gd->sx - 1,
                   1182:                    direction ? 0 : gd->hsize + gd->sy - 1, fy, cis, 0,
                   1183:                    direction);
1.21      nicm     1184:        }
                   1185: }
                   1186:
1.150     nicm     1187: /*
                   1188:  * Search in for text searchstr. If direction is 0 then search up, otherwise
                   1189:  * down. If moveflag is 0 then look for string at the current cursor position
                   1190:  * as well.
                   1191:  */
1.21      nicm     1192: void
1.150     nicm     1193: window_copy_search(struct window_pane *wp, const char *searchstr, int direction,
                   1194:     int moveflag)
1.21      nicm     1195: {
                   1196:        struct window_copy_mode_data    *data = wp->modedata;
1.54      nicm     1197:        struct screen                   *s = data->backing, ss;
1.21      nicm     1198:        struct screen_write_ctx          ctx;
1.150     nicm     1199:        struct grid                     *gd = s->grid;
                   1200:        u_int                            fx, fy, endline;
                   1201:        int                              wrapflag, cis;
1.21      nicm     1202:
1.150     nicm     1203:        fx = data->cx;
                   1204:        fy = screen_hsize(data->backing) - data->oy + data->cy;
1.21      nicm     1205:
1.150     nicm     1206:        screen_init(&ss, screen_write_strlen("%s", searchstr), 1, 0);
1.21      nicm     1207:        screen_write_start(&ctx, NULL, &ss);
1.150     nicm     1208:        screen_write_nputs(&ctx, -1, &grid_default_cell, "%s", searchstr);
1.21      nicm     1209:        screen_write_stop(&ctx);
                   1210:
1.150     nicm     1211:        if (moveflag) {
                   1212:                if (direction)
                   1213:                        window_copy_move_right(s, &fx, &fy);
                   1214:                else
                   1215:                        window_copy_move_left(s, &fx, &fy);
                   1216:        }
                   1217:        window_copy_clear_selection(wp);
                   1218:
                   1219:        wrapflag = options_get_number(wp->window->options, "wrap-search");
                   1220:        cis = window_copy_is_lowercase(searchstr);
1.21      nicm     1221:
1.150     nicm     1222:        if (direction)
                   1223:                endline = gd->hsize + gd->sy - 1;
                   1224:        else
                   1225:                endline = 0;
                   1226:        window_copy_search_jump(wp, gd, ss.grid, fx, fy, endline, cis, wrapflag,
                   1227:            direction);
1.21      nicm     1228:
1.150     nicm     1229:        screen_free(&ss);
                   1230: }
1.97      nicm     1231:
1.150     nicm     1232: void
                   1233: window_copy_search_up(struct window_pane *wp, const char *searchstr,
                   1234:     int moveflag)
                   1235: {
                   1236:        window_copy_search(wp, searchstr, 0, moveflag);
                   1237: }
1.21      nicm     1238:
1.150     nicm     1239: void
                   1240: window_copy_search_down(struct window_pane *wp, const char *searchstr,
                   1241:     int moveflag)
                   1242: {
                   1243:        window_copy_search(wp, searchstr, 1, moveflag);
1.21      nicm     1244: }
                   1245:
                   1246: void
                   1247: window_copy_goto_line(struct window_pane *wp, const char *linestr)
                   1248: {
                   1249:        struct window_copy_mode_data    *data = wp->modedata;
                   1250:        const char                      *errstr;
                   1251:        u_int                            lineno;
                   1252:
1.54      nicm     1253:        lineno = strtonum(linestr, 0, screen_hsize(data->backing), &errstr);
1.21      nicm     1254:        if (errstr != NULL)
                   1255:                return;
1.35      nicm     1256:
1.21      nicm     1257:        data->oy = lineno;
1.96      nicm     1258:        window_copy_update_selection(wp, 1);
1.21      nicm     1259:        window_copy_redraw_screen(wp);
                   1260: }
                   1261:
                   1262: void
1.118     nicm     1263: window_copy_write_line(struct window_pane *wp, struct screen_write_ctx *ctx,
                   1264:     u_int py)
1.1       nicm     1265: {
                   1266:        struct window_copy_mode_data    *data = wp->modedata;
                   1267:        struct screen                   *s = &data->screen;
1.136     nicm     1268:        struct options                  *oo = wp->window->options;
1.1       nicm     1269:        struct grid_cell                 gc;
1.100     nicm     1270:        char                             hdr[512];
                   1271:        size_t                           last, xoff = 0, size = 0, limit;
1.21      nicm     1272:
1.101     nicm     1273:        style_apply(&gc, oo, "mode-style");
1.1       nicm     1274:
1.21      nicm     1275:        last = screen_size_y(s) - 1;
1.1       nicm     1276:        if (py == 0) {
                   1277:                size = xsnprintf(hdr, sizeof hdr,
1.54      nicm     1278:                    "[%u/%u]", data->oy, screen_hsize(data->backing));
1.62      nicm     1279:                if (size > screen_size_x(s))
                   1280:                        size = screen_size_x(s);
1.1       nicm     1281:                screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
                   1282:                screen_write_puts(ctx, &gc, "%s", hdr);
1.21      nicm     1283:        } else if (py == last && data->inputtype != WINDOW_COPY_OFF) {
1.100     nicm     1284:                limit = sizeof hdr;
1.105     nicm     1285:                if (limit > screen_size_x(s) + 1)
                   1286:                        limit = screen_size_x(s) + 1;
1.50      nicm     1287:                if (data->inputtype == WINDOW_COPY_NUMERICPREFIX) {
1.100     nicm     1288:                        xoff = size = xsnprintf(hdr, limit,
1.124     nicm     1289:                            "Repeat: %d", data->numprefix);
1.50      nicm     1290:                } else {
1.100     nicm     1291:                        xoff = size = xsnprintf(hdr, limit,
1.50      nicm     1292:                            "%s: %s", data->inputprompt, data->inputstr);
                   1293:                }
1.21      nicm     1294:                screen_write_cursormove(ctx, 0, last);
                   1295:                screen_write_puts(ctx, &gc, "%s", hdr);
1.1       nicm     1296:        } else
                   1297:                size = 0;
                   1298:
1.105     nicm     1299:        if (size < screen_size_x(s)) {
                   1300:                screen_write_cursormove(ctx, xoff, py);
                   1301:                screen_write_copy(ctx, data->backing, xoff,
                   1302:                    (screen_hsize(data->backing) - data->oy) + py,
                   1303:                    screen_size_x(s) - size, 1);
                   1304:        }
1.18      nicm     1305:
                   1306:        if (py == data->cy && data->cx == screen_size_x(s)) {
                   1307:                memcpy(&gc, &grid_default_cell, sizeof gc);
                   1308:                screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
                   1309:                screen_write_putc(ctx, &gc, '$');
                   1310:        }
1.1       nicm     1311: }
                   1312:
                   1313: void
1.118     nicm     1314: window_copy_write_lines(struct window_pane *wp, struct screen_write_ctx *ctx,
                   1315:     u_int py, u_int ny)
1.1       nicm     1316: {
                   1317:        u_int   yy;
                   1318:
                   1319:        for (yy = py; yy < py + ny; yy++)
                   1320:                window_copy_write_line(wp, ctx, py);
1.121     nicm     1321: }
                   1322:
                   1323: void
                   1324: window_copy_redraw_selection(struct window_pane *wp, u_int old_y)
                   1325: {
                   1326:        struct window_copy_mode_data    *data = wp->modedata;
                   1327:        u_int                            new_y, start, end;
                   1328:
                   1329:        new_y = data->cy;
                   1330:        if (old_y <= new_y) {
                   1331:                start = old_y;
                   1332:                end = new_y;
                   1333:        } else {
                   1334:                start = new_y;
                   1335:                end = old_y;
                   1336:        }
                   1337:        window_copy_redraw_lines(wp, start, end - start + 1);
1.1       nicm     1338: }
                   1339:
                   1340: void
                   1341: window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
                   1342: {
                   1343:        struct window_copy_mode_data    *data = wp->modedata;
                   1344:        struct screen_write_ctx          ctx;
                   1345:        u_int                            i;
                   1346:
                   1347:        screen_write_start(&ctx, wp, NULL);
                   1348:        for (i = py; i < py + ny; i++)
                   1349:                window_copy_write_line(wp, &ctx, i);
                   1350:        screen_write_cursormove(&ctx, data->cx, data->cy);
                   1351:        screen_write_stop(&ctx);
                   1352: }
                   1353:
                   1354: void
                   1355: window_copy_redraw_screen(struct window_pane *wp)
                   1356: {
                   1357:        struct window_copy_mode_data    *data = wp->modedata;
                   1358:
                   1359:        window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
                   1360: }
                   1361:
                   1362: void
1.18      nicm     1363: window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
1.1       nicm     1364: {
                   1365:        struct window_copy_mode_data    *data = wp->modedata;
1.18      nicm     1366:        struct screen                   *s = &data->screen;
1.1       nicm     1367:        struct screen_write_ctx          ctx;
1.18      nicm     1368:        u_int                            old_cx, old_cy;
1.1       nicm     1369:
1.18      nicm     1370:        old_cx = data->cx; old_cy = data->cy;
                   1371:        data->cx = cx; data->cy = cy;
                   1372:        if (old_cx == screen_size_x(s))
                   1373:                window_copy_redraw_lines(wp, old_cy, 1);
                   1374:        if (data->cx == screen_size_x(s))
                   1375:                window_copy_redraw_lines(wp, data->cy, 1);
                   1376:        else {
                   1377:                screen_write_start(&ctx, wp, NULL);
                   1378:                screen_write_cursormove(&ctx, data->cx, data->cy);
                   1379:                screen_write_stop(&ctx);
                   1380:        }
1.1       nicm     1381: }
                   1382:
                   1383: void
                   1384: window_copy_start_selection(struct window_pane *wp)
                   1385: {
                   1386:        struct window_copy_mode_data    *data = wp->modedata;
                   1387:        struct screen                   *s = &data->screen;
                   1388:
1.18      nicm     1389:        data->selx = data->cx;
1.54      nicm     1390:        data->sely = screen_hsize(data->backing) + data->cy - data->oy;
1.1       nicm     1391:
                   1392:        s->sel.flag = 1;
1.96      nicm     1393:        window_copy_update_selection(wp, 1);
1.1       nicm     1394: }
                   1395:
                   1396: int
1.96      nicm     1397: window_copy_update_selection(struct window_pane *wp, int may_redraw)
1.1       nicm     1398: {
                   1399:        struct window_copy_mode_data    *data = wp->modedata;
                   1400:        struct screen                   *s = &data->screen;
1.136     nicm     1401:        struct options                  *oo = wp->window->options;
1.1       nicm     1402:        struct grid_cell                 gc;
1.42      nicm     1403:        u_int                            sx, sy, ty, cy;
1.1       nicm     1404:
1.118     nicm     1405:        if (!s->sel.flag && s->sel.lineflag == LINE_SEL_NONE)
1.1       nicm     1406:                return (0);
                   1407:
                   1408:        /* Set colours. */
1.101     nicm     1409:        style_apply(&gc, oo, "mode-style");
1.1       nicm     1410:
1.18      nicm     1411:        /* Find top of screen. */
1.54      nicm     1412:        ty = screen_hsize(data->backing) - data->oy;
1.1       nicm     1413:
                   1414:        /* Adjust the selection. */
                   1415:        sx = data->selx;
                   1416:        sy = data->sely;
1.18      nicm     1417:        if (sy < ty) {                                  /* above screen */
1.42      nicm     1418:                if (!data->rectflag)
                   1419:                        sx = 0;
1.1       nicm     1420:                sy = 0;
1.18      nicm     1421:        } else if (sy > ty + screen_size_y(s) - 1) {    /* below screen */
1.42      nicm     1422:                if (!data->rectflag)
                   1423:                        sx = screen_size_x(s) - 1;
1.1       nicm     1424:                sy = screen_size_y(s) - 1;
1.18      nicm     1425:        } else
1.1       nicm     1426:                sy -= ty;
                   1427:        sy = screen_hsize(s) + sy;
                   1428:
1.42      nicm     1429:        screen_set_selection(s,
                   1430:            sx, sy, data->cx, screen_hsize(s) + data->cy, data->rectflag, &gc);
                   1431:
1.96      nicm     1432:        if (data->rectflag && may_redraw) {
1.42      nicm     1433:                /*
                   1434:                 * Can't rely on the caller to redraw the right lines for
                   1435:                 * rectangle selection - find the highest line and the number
                   1436:                 * of lines, and redraw just past that in both directions
                   1437:                 */
                   1438:                cy = data->cy;
                   1439:                if (sy < cy)
                   1440:                        window_copy_redraw_lines(wp, sy, cy - sy + 1);
                   1441:                else
                   1442:                        window_copy_redraw_lines(wp, cy, sy - cy + 1);
                   1443:        }
                   1444:
1.1       nicm     1445:        return (1);
                   1446: }
                   1447:
1.89      nicm     1448: void *
                   1449: window_copy_get_selection(struct window_pane *wp, size_t *len)
1.1       nicm     1450: {
                   1451:        struct window_copy_mode_data    *data = wp->modedata;
                   1452:        struct screen                   *s = &data->screen;
                   1453:        char                            *buf;
1.42      nicm     1454:        size_t                           off;
1.111     nicm     1455:        u_int                            i, xx, yy, sx, sy, ex, ey, ey_last;
1.42      nicm     1456:        u_int                            firstsx, lastex, restex, restsx;
1.69      nicm     1457:        int                              keys;
1.1       nicm     1458:
1.118     nicm     1459:        if (!s->sel.flag && s->sel.lineflag == LINE_SEL_NONE)
1.89      nicm     1460:                return (NULL);
1.1       nicm     1461:
                   1462:        buf = xmalloc(1);
                   1463:        off = 0;
                   1464:
                   1465:        *buf = '\0';
                   1466:
                   1467:        /*
                   1468:         * The selection extends from selx,sely to (adjusted) cx,cy on
                   1469:         * the base screen.
                   1470:         */
                   1471:
                   1472:        /* Find start and end. */
1.18      nicm     1473:        xx = data->cx;
1.54      nicm     1474:        yy = screen_hsize(data->backing) + data->cy - data->oy;
1.2       nicm     1475:        if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
1.1       nicm     1476:                sx = xx; sy = yy;
                   1477:                ex = data->selx; ey = data->sely;
                   1478:        } else {
                   1479:                sx = data->selx; sy = data->sely;
                   1480:                ex = xx; ey = yy;
                   1481:        }
                   1482:
                   1483:        /* Trim ex to end of line. */
1.111     nicm     1484:        ey_last = window_copy_find_length(wp, ey);
                   1485:        if (ex > ey_last)
                   1486:                ex = ey_last;
1.1       nicm     1487:
1.42      nicm     1488:        /*
                   1489:         * Deal with rectangle-copy if necessary; four situations: start of
                   1490:         * first line (firstsx), end of last line (lastex), start (restsx) and
                   1491:         * end (restex) of all other lines.
                   1492:         */
                   1493:        xx = screen_size_x(s);
1.69      nicm     1494:
                   1495:        /*
                   1496:         * Behave according to mode-keys. If it is emacs, copy like emacs,
                   1497:         * keeping the top-left-most character, and dropping the
                   1498:         * bottom-right-most, regardless of copy direction. If it is vi, also
                   1499:         * keep bottom-right-most character.
                   1500:         */
1.136     nicm     1501:        keys = options_get_number(wp->window->options, "mode-keys");
1.42      nicm     1502:        if (data->rectflag) {
                   1503:                /*
                   1504:                 * Need to ignore the column with the cursor in it, which for
                   1505:                 * rectangular copy means knowing which side the cursor is on.
                   1506:                 */
                   1507:                if (data->selx < data->cx) {
                   1508:                        /* Selection start is on the left. */
1.69      nicm     1509:                        if (keys == MODEKEY_EMACS) {
                   1510:                                lastex = data->cx;
                   1511:                                restex = data->cx;
                   1512:                        }
                   1513:                        else {
                   1514:                                lastex = data->cx + 1;
                   1515:                                restex = data->cx + 1;
                   1516:                        }
1.42      nicm     1517:                        firstsx = data->selx;
                   1518:                        restsx = data->selx;
                   1519:                } else {
                   1520:                        /* Cursor is on the left. */
                   1521:                        lastex = data->selx + 1;
                   1522:                        restex = data->selx + 1;
1.64      nicm     1523:                        firstsx = data->cx;
                   1524:                        restsx = data->cx;
1.42      nicm     1525:                }
                   1526:        } else {
1.69      nicm     1527:                if (keys == MODEKEY_EMACS)
                   1528:                        lastex = ex;
1.74      nicm     1529:                else
1.69      nicm     1530:                        lastex = ex + 1;
1.42      nicm     1531:                restex = xx;
                   1532:                firstsx = sx;
                   1533:                restsx = 0;
                   1534:        }
                   1535:
1.1       nicm     1536:        /* Copy the lines. */
1.110     nicm     1537:        for (i = sy; i <= ey; i++) {
                   1538:                window_copy_copy_line(wp, &buf, &off, i,
                   1539:                    (i == sy ? firstsx : restsx),
                   1540:                    (i == ey ? lastex : restex));
1.1       nicm     1541:        }
                   1542:
1.26      nicm     1543:        /* Don't bother if no data. */
                   1544:        if (off == 0) {
1.81      nicm     1545:                free(buf);
1.89      nicm     1546:                return (NULL);
1.26      nicm     1547:        }
1.111     nicm     1548:        if (keys == MODEKEY_EMACS || lastex <= ey_last)
                   1549:                off -= 1; /* remove final \n (unless at end in vi mode) */
                   1550:        *len = off;
1.89      nicm     1551:        return (buf);
                   1552: }
                   1553:
                   1554: void
1.108     nicm     1555: window_copy_copy_buffer(struct window_pane *wp, const char *bufname, void *buf,
                   1556:     size_t len)
1.89      nicm     1557: {
1.91      nicm     1558:        struct screen_write_ctx ctx;
1.72      nicm     1559:
1.136     nicm     1560:        if (options_get_number(global_options, "set-clipboard")) {
1.91      nicm     1561:                screen_write_start(&ctx, wp, NULL);
                   1562:                screen_write_setselection(&ctx, buf, len);
                   1563:                screen_write_stop(&ctx);
                   1564:        }
1.1       nicm     1565:
1.108     nicm     1566:        if (paste_set(buf, len, bufname, NULL) != 0)
1.102     nicm     1567:                free(buf);
1.89      nicm     1568: }
                   1569:
                   1570: void
1.108     nicm     1571: window_copy_copy_pipe(struct window_pane *wp, struct session *sess,
                   1572:     const char *bufname, const char *arg)
1.89      nicm     1573: {
1.120     nicm     1574:        void                    *buf;
                   1575:        size_t                   len;
                   1576:        struct job              *job;
                   1577:        struct format_tree      *ft;
                   1578:        char                    *expanded;
1.89      nicm     1579:
                   1580:        buf = window_copy_get_selection(wp, &len);
                   1581:        if (buf == NULL)
                   1582:                return;
                   1583:
1.143     nicm     1584:        ft = format_create(NULL, 0);
1.123     nicm     1585:        format_defaults(ft, NULL, sess, NULL, wp);
1.120     nicm     1586:        expanded = format_expand(ft, arg);
                   1587:
1.137     nicm     1588:        job = job_run(expanded, sess, NULL, NULL, NULL, NULL);
1.90      nicm     1589:        bufferevent_write(job->event, buf, len);
1.120     nicm     1590:
                   1591:        free(expanded);
                   1592:        format_free(ft);
1.89      nicm     1593:
1.108     nicm     1594:        window_copy_copy_buffer(wp, bufname, buf, len);
1.89      nicm     1595: }
                   1596:
                   1597: void
1.108     nicm     1598: window_copy_copy_selection(struct window_pane *wp, const char *bufname)
1.89      nicm     1599: {
1.114     nicm     1600:        void    *buf;
                   1601:        size_t   len;
1.89      nicm     1602:
                   1603:        buf = window_copy_get_selection(wp, &len);
                   1604:        if (buf == NULL)
                   1605:                return;
                   1606:
1.108     nicm     1607:        window_copy_copy_buffer(wp, bufname, buf, len);
1.103     nicm     1608: }
                   1609:
                   1610: void
1.108     nicm     1611: window_copy_append_selection(struct window_pane *wp, const char *bufname)
1.103     nicm     1612: {
1.108     nicm     1613:        char                            *buf;
                   1614:        struct paste_buffer             *pb;
1.132     nicm     1615:        const char                      *bufdata;
                   1616:        size_t                           len, bufsize;
1.108     nicm     1617:        struct screen_write_ctx          ctx;
1.103     nicm     1618:
                   1619:        buf = window_copy_get_selection(wp, &len);
                   1620:        if (buf == NULL)
                   1621:                return;
                   1622:
1.136     nicm     1623:        if (options_get_number(global_options, "set-clipboard")) {
1.103     nicm     1624:                screen_write_start(&ctx, wp, NULL);
                   1625:                screen_write_setselection(&ctx, buf, len);
                   1626:                screen_write_stop(&ctx);
                   1627:        }
                   1628:
1.132     nicm     1629:        if (bufname == NULL || *bufname == '\0')
                   1630:                pb = paste_get_top(&bufname);
                   1631:        else
1.108     nicm     1632:                pb = paste_get_name(bufname);
1.103     nicm     1633:        if (pb != NULL) {
1.132     nicm     1634:                bufdata = paste_buffer_data(pb, &bufsize);
                   1635:                buf = xrealloc(buf, len + bufsize);
                   1636:                memmove(buf + bufsize, buf, len);
                   1637:                memcpy(buf, bufdata, bufsize);
                   1638:                len += bufsize;
1.103     nicm     1639:        }
1.108     nicm     1640:        if (paste_set(buf, len, bufname, NULL) != 0)
1.103     nicm     1641:                free(buf);
1.1       nicm     1642: }
                   1643:
                   1644: void
1.140     nicm     1645: window_copy_copy_line(struct window_pane *wp, char **buf, size_t *off, u_int sy,
                   1646:     u_int sx, u_int ex)
1.1       nicm     1647: {
1.54      nicm     1648:        struct window_copy_mode_data    *data = wp->modedata;
                   1649:        struct grid                     *gd = data->backing->grid;
1.140     nicm     1650:        struct grid_cell                 gc;
1.54      nicm     1651:        struct grid_line                *gl;
1.86      nicm     1652:        struct utf8_data                 ud;
1.54      nicm     1653:        u_int                            i, xx, wrapped = 0;
1.115     nicm     1654:        const char                      *s;
1.1       nicm     1655:
                   1656:        if (sx > ex)
                   1657:                return;
                   1658:
1.16      nicm     1659:        /*
                   1660:         * Work out if the line was wrapped at the screen edge and all of it is
                   1661:         * on screen.
                   1662:         */
                   1663:        gl = &gd->linedata[sy];
1.35      nicm     1664:        if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx)
1.16      nicm     1665:                wrapped = 1;
                   1666:
                   1667:        /* If the line was wrapped, don't strip spaces (use the full length). */
                   1668:        if (wrapped)
                   1669:                xx = gl->cellsize;
                   1670:        else
                   1671:                xx = window_copy_find_length(wp, sy);
1.1       nicm     1672:        if (ex > xx)
                   1673:                ex = xx;
                   1674:        if (sx > xx)
                   1675:                sx = xx;
                   1676:
                   1677:        if (sx < ex) {
                   1678:                for (i = sx; i < ex; i++) {
1.140     nicm     1679:                        grid_get_cell(gd, i, sy, &gc);
                   1680:                        if (gc.flags & GRID_FLAG_PADDING)
1.1       nicm     1681:                                continue;
1.140     nicm     1682:                        utf8_copy(&ud, &gc.data);
                   1683:                        if (ud.size == 1 && (gc.attr & GRID_ATTR_CHARSET)) {
1.115     nicm     1684:                                s = tty_acs_get(NULL, ud.data[0]);
                   1685:                                if (s != NULL && strlen(s) <= sizeof ud.data) {
                   1686:                                        ud.size = strlen(s);
1.117     nicm     1687:                                        memcpy(ud.data, s, ud.size);
1.115     nicm     1688:                                }
                   1689:                        }
1.86      nicm     1690:
1.116     nicm     1691:                        *buf = xrealloc(*buf, (*off) + ud.size);
1.86      nicm     1692:                        memcpy(*buf + *off, ud.data, ud.size);
                   1693:                        *off += ud.size;
1.1       nicm     1694:                }
                   1695:        }
                   1696:
1.16      nicm     1697:        /* Only add a newline if the line wasn't wrapped. */
1.44      nicm     1698:        if (!wrapped || ex != xx) {
1.116     nicm     1699:                *buf = xrealloc(*buf, (*off) + 1);
1.16      nicm     1700:                (*buf)[(*off)++] = '\n';
                   1701:        }
1.1       nicm     1702: }
                   1703:
1.47      nicm     1704: void
                   1705: window_copy_clear_selection(struct window_pane *wp)
                   1706: {
                   1707:        struct window_copy_mode_data   *data = wp->modedata;
                   1708:        u_int                           px, py;
                   1709:
                   1710:        screen_clear_selection(&data->screen);
                   1711:
1.54      nicm     1712:        py = screen_hsize(data->backing) + data->cy - data->oy;
1.47      nicm     1713:        px = window_copy_find_length(wp, py);
                   1714:        if (data->cx > px)
                   1715:                window_copy_update_cursor(wp, px, data->cy);
                   1716: }
                   1717:
1.1       nicm     1718: int
1.41      nicm     1719: window_copy_in_set(struct window_pane *wp, u_int px, u_int py, const char *set)
1.1       nicm     1720: {
1.54      nicm     1721:        struct window_copy_mode_data    *data = wp->modedata;
1.140     nicm     1722:        struct grid_cell                 gc;
                   1723:        const struct utf8_data          *ud;
                   1724:
                   1725:        grid_get_cell(data->backing->grid, px, py, &gc);
1.1       nicm     1726:
1.140     nicm     1727:        ud = &gc.data;
                   1728:        if (ud->size != 1 || (gc.flags & GRID_FLAG_PADDING))
1.1       nicm     1729:                return (0);
1.140     nicm     1730:        if (*ud->data == 0x00 || *ud->data == 0x7f)
1.1       nicm     1731:                return (0);
1.140     nicm     1732:        return (strchr(set, *ud->data) != NULL);
1.1       nicm     1733: }
                   1734:
                   1735: u_int
                   1736: window_copy_find_length(struct window_pane *wp, u_int py)
                   1737: {
1.54      nicm     1738:        struct window_copy_mode_data    *data = wp->modedata;
                   1739:        struct screen                   *s = data->backing;
1.140     nicm     1740:        struct grid_cell                 gc;
1.54      nicm     1741:        u_int                            px;
1.1       nicm     1742:
1.4       nicm     1743:        /*
                   1744:         * If the pane has been resized, its grid can contain old overlong
                   1745:         * lines. grid_peek_cell does not allow accessing cells beyond the
                   1746:         * width of the grid, and screen_write_copy treats them as spaces, so
                   1747:         * ignore them here too.
                   1748:         */
1.54      nicm     1749:        px = s->grid->linedata[py].cellsize;
                   1750:        if (px > screen_size_x(s))
                   1751:                px = screen_size_x(s);
1.1       nicm     1752:        while (px > 0) {
1.140     nicm     1753:                grid_get_cell(s->grid, px - 1, py, &gc);
                   1754:                if (gc.data.size != 1 || *gc.data.data != ' ')
1.1       nicm     1755:                        break;
                   1756:                px--;
                   1757:        }
                   1758:        return (px);
                   1759: }
                   1760:
                   1761: void
1.5       nicm     1762: window_copy_cursor_start_of_line(struct window_pane *wp)
                   1763: {
                   1764:        struct window_copy_mode_data    *data = wp->modedata;
1.58      nicm     1765:        struct screen                   *back_s = data->backing;
1.118     nicm     1766:        struct screen                   *s = &data->screen;
1.58      nicm     1767:        struct grid                     *gd = back_s->grid;
                   1768:        u_int                            py;
                   1769:
1.118     nicm     1770:        if (data->cx == 0 && s->sel.lineflag == LINE_SEL_NONE) {
1.58      nicm     1771:                py = screen_hsize(back_s) + data->cy - data->oy;
1.118     nicm     1772:                while (py > 0 &&
                   1773:                    gd->linedata[py-1].flags & GRID_LINE_WRAPPED) {
1.58      nicm     1774:                        window_copy_cursor_up(wp, 0);
                   1775:                        py = screen_hsize(back_s) + data->cy - data->oy;
                   1776:                }
                   1777:        }
1.18      nicm     1778:        window_copy_update_cursor(wp, 0, data->cy);
1.96      nicm     1779:        if (window_copy_update_selection(wp, 1))
1.5       nicm     1780:                window_copy_redraw_lines(wp, data->cy, 1);
1.6       nicm     1781: }
                   1782:
                   1783: void
                   1784: window_copy_cursor_back_to_indentation(struct window_pane *wp)
                   1785: {
                   1786:        struct window_copy_mode_data    *data = wp->modedata;
                   1787:        u_int                            px, py, xx;
1.140     nicm     1788:        struct grid_cell                 gc;
1.6       nicm     1789:
                   1790:        px = 0;
1.54      nicm     1791:        py = screen_hsize(data->backing) + data->cy - data->oy;
1.6       nicm     1792:        xx = window_copy_find_length(wp, py);
                   1793:
                   1794:        while (px < xx) {
1.140     nicm     1795:                grid_get_cell(data->backing->grid, px, py, &gc);
                   1796:                if (gc.data.size != 1 || *gc.data.data != ' ')
1.6       nicm     1797:                        break;
                   1798:                px++;
                   1799:        }
                   1800:
1.18      nicm     1801:        window_copy_update_cursor(wp, px, data->cy);
1.96      nicm     1802:        if (window_copy_update_selection(wp, 1))
1.18      nicm     1803:                window_copy_redraw_lines(wp, data->cy, 1);
1.5       nicm     1804: }
                   1805:
                   1806: void
                   1807: window_copy_cursor_end_of_line(struct window_pane *wp)
                   1808: {
                   1809:        struct window_copy_mode_data    *data = wp->modedata;
1.54      nicm     1810:        struct screen                   *back_s = data->backing;
1.118     nicm     1811:        struct screen                   *s = &data->screen;
1.54      nicm     1812:        struct grid                     *gd = back_s->grid;
1.5       nicm     1813:        u_int                            px, py;
                   1814:
1.54      nicm     1815:        py = screen_hsize(back_s) + data->cy - data->oy;
1.5       nicm     1816:        px = window_copy_find_length(wp, py);
                   1817:
1.118     nicm     1818:        if (data->cx == px && s->sel.lineflag == LINE_SEL_NONE) {
1.49      nicm     1819:                if (data->screen.sel.flag && data->rectflag)
1.54      nicm     1820:                        px = screen_size_x(back_s);
1.49      nicm     1821:                if (gd->linedata[py].flags & GRID_LINE_WRAPPED) {
                   1822:                        while (py < gd->sy + gd->hsize &&
                   1823:                            gd->linedata[py].flags & GRID_LINE_WRAPPED) {
                   1824:                                window_copy_cursor_down(wp, 0);
1.54      nicm     1825:                                py = screen_hsize(back_s)
                   1826:                                     + data->cy - data->oy;
1.49      nicm     1827:                        }
                   1828:                        px = window_copy_find_length(wp, py);
                   1829:                }
                   1830:        }
1.18      nicm     1831:        window_copy_update_cursor(wp, px, data->cy);
1.49      nicm     1832:
1.96      nicm     1833:        if (window_copy_update_selection(wp, 1))
1.18      nicm     1834:                window_copy_redraw_lines(wp, data->cy, 1);
1.95      nicm     1835: }
                   1836:
                   1837: void
                   1838: window_copy_other_end(struct window_pane *wp)
                   1839: {
                   1840:        struct window_copy_mode_data    *data = wp->modedata;
                   1841:        struct screen                   *s = &data->screen;
1.122     nicm     1842:        u_int                            selx, sely, cx, cy, yy, hsize;
1.95      nicm     1843:
1.118     nicm     1844:        if (!s->sel.flag && s->sel.lineflag == LINE_SEL_NONE)
1.95      nicm     1845:                return;
                   1846:
1.118     nicm     1847:        if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT)
                   1848:                s->sel.lineflag = LINE_SEL_RIGHT_LEFT;
                   1849:        else if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT)
                   1850:                s->sel.lineflag = LINE_SEL_LEFT_RIGHT;
                   1851:
1.95      nicm     1852:        selx = data->selx;
                   1853:        sely = data->sely;
                   1854:        cx = data->cx;
                   1855:        cy = data->cy;
                   1856:        yy = screen_hsize(data->backing) + data->cy - data->oy;
                   1857:
                   1858:        data->selx = cx;
                   1859:        data->sely = yy;
                   1860:        data->cx = selx;
                   1861:
1.122     nicm     1862:        hsize = screen_hsize(data->backing);
                   1863:        if (sely < hsize - data->oy) {
                   1864:                data->oy = hsize - sely;
1.95      nicm     1865:                data->cy = 0;
1.122     nicm     1866:        } else if (sely > hsize - data->oy + screen_size_y(s)) {
                   1867:                data->oy = hsize - sely + screen_size_y(s) - 1;
1.95      nicm     1868:                data->cy = screen_size_y(s) - 1;
                   1869:        } else
                   1870:                data->cy = cy + sely - yy;
                   1871:
                   1872:        window_copy_redraw_screen(wp);
1.5       nicm     1873: }
                   1874:
                   1875: void
1.1       nicm     1876: window_copy_cursor_left(struct window_pane *wp)
                   1877: {
                   1878:        struct window_copy_mode_data    *data = wp->modedata;
1.145     nicm     1879:        u_int                            py;
1.1       nicm     1880:
1.145     nicm     1881:        py = screen_hsize(data->backing) + data->cy - data->oy;
                   1882:        if (data->cx == 0 && py > 0) {
1.28      nicm     1883:                window_copy_cursor_up(wp, 0);
1.18      nicm     1884:                window_copy_cursor_end_of_line(wp);
1.145     nicm     1885:        } else if (data->cx > 0) {
1.18      nicm     1886:                window_copy_update_cursor(wp, data->cx - 1, data->cy);
1.96      nicm     1887:                if (window_copy_update_selection(wp, 1))
1.1       nicm     1888:                        window_copy_redraw_lines(wp, data->cy, 1);
                   1889:        }
                   1890: }
                   1891:
                   1892: void
                   1893: window_copy_cursor_right(struct window_pane *wp)
                   1894: {
                   1895:        struct window_copy_mode_data    *data = wp->modedata;
1.145     nicm     1896:        u_int                            px, py, yy;
1.1       nicm     1897:
1.145     nicm     1898:        py = screen_hsize(data->backing) + data->cy - data->oy;
                   1899:        yy = screen_hsize(data->backing) + screen_size_y(data->backing) - 1;
1.47      nicm     1900:        if (data->screen.sel.flag && data->rectflag)
                   1901:                px = screen_size_x(&data->screen);
                   1902:        else {
                   1903:                px = window_copy_find_length(wp, py);
                   1904:        }
1.1       nicm     1905:
1.145     nicm     1906:        if (data->cx >= px && py < yy) {
1.1       nicm     1907:                window_copy_cursor_start_of_line(wp);
1.28      nicm     1908:                window_copy_cursor_down(wp, 0);
1.145     nicm     1909:        } else if (data->cx < px) {
1.18      nicm     1910:                window_copy_update_cursor(wp, data->cx + 1, data->cy);
1.96      nicm     1911:                if (window_copy_update_selection(wp, 1))
1.1       nicm     1912:                        window_copy_redraw_lines(wp, data->cy, 1);
                   1913:        }
                   1914: }
                   1915:
                   1916: void
1.28      nicm     1917: window_copy_cursor_up(struct window_pane *wp, int scroll_only)
1.1       nicm     1918: {
                   1919:        struct window_copy_mode_data    *data = wp->modedata;
1.36      nicm     1920:        struct screen                   *s = &data->screen;
1.1       nicm     1921:        u_int                            ox, oy, px, py;
                   1922:
1.54      nicm     1923:        oy = screen_hsize(data->backing) + data->cy - data->oy;
1.1       nicm     1924:        ox = window_copy_find_length(wp, oy);
1.77      nicm     1925:        if (data->cx != ox) {
1.25      nicm     1926:                data->lastcx = data->cx;
                   1927:                data->lastsx = ox;
                   1928:        }
1.1       nicm     1929:
1.118     nicm     1930:        if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT && oy == data->sely)
                   1931:                window_copy_other_end(wp);
                   1932:
1.25      nicm     1933:        data->cx = data->lastcx;
1.28      nicm     1934:        if (scroll_only || data->cy == 0) {
1.1       nicm     1935:                window_copy_scroll_down(wp, 1);
1.36      nicm     1936:                if (scroll_only) {
                   1937:                        if (data->cy == screen_size_y(s) - 1)
                   1938:                                window_copy_redraw_lines(wp, data->cy, 1);
                   1939:                        else
                   1940:                                window_copy_redraw_lines(wp, data->cy, 2);
                   1941:                }
1.28      nicm     1942:        } else {
1.18      nicm     1943:                window_copy_update_cursor(wp, data->cx, data->cy - 1);
1.96      nicm     1944:                if (window_copy_update_selection(wp, 1)) {
1.36      nicm     1945:                        if (data->cy == screen_size_y(s) - 1)
                   1946:                                window_copy_redraw_lines(wp, data->cy, 1);
                   1947:                        else
                   1948:                                window_copy_redraw_lines(wp, data->cy, 2);
                   1949:                }
1.1       nicm     1950:        }
                   1951:
1.47      nicm     1952:        if (!data->screen.sel.flag || !data->rectflag) {
1.54      nicm     1953:                py = screen_hsize(data->backing) + data->cy - data->oy;
1.47      nicm     1954:                px = window_copy_find_length(wp, py);
1.49      nicm     1955:                if ((data->cx >= data->lastsx && data->cx != px) ||
                   1956:                    data->cx > px)
1.47      nicm     1957:                        window_copy_cursor_end_of_line(wp);
                   1958:        }
1.118     nicm     1959:
                   1960:        if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT)
                   1961:                window_copy_cursor_end_of_line(wp);
                   1962:        else if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT)
                   1963:                window_copy_cursor_start_of_line(wp);
1.1       nicm     1964: }
                   1965:
                   1966: void
1.28      nicm     1967: window_copy_cursor_down(struct window_pane *wp, int scroll_only)
1.1       nicm     1968: {
                   1969:        struct window_copy_mode_data    *data = wp->modedata;
                   1970:        struct screen                   *s = &data->screen;
                   1971:        u_int                            ox, oy, px, py;
                   1972:
1.54      nicm     1973:        oy = screen_hsize(data->backing) + data->cy - data->oy;
1.1       nicm     1974:        ox = window_copy_find_length(wp, oy);
1.77      nicm     1975:        if (data->cx != ox) {
1.25      nicm     1976:                data->lastcx = data->cx;
                   1977:                data->lastsx = ox;
                   1978:        }
1.1       nicm     1979:
1.118     nicm     1980:        if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT && oy == data->sely)
                   1981:                window_copy_other_end(wp);
                   1982:
1.25      nicm     1983:        data->cx = data->lastcx;
1.28      nicm     1984:        if (scroll_only || data->cy == screen_size_y(s) - 1) {
1.1       nicm     1985:                window_copy_scroll_up(wp, 1);
1.31      nicm     1986:                if (scroll_only && data->cy > 0)
1.28      nicm     1987:                        window_copy_redraw_lines(wp, data->cy - 1, 2);
                   1988:        } else {
1.18      nicm     1989:                window_copy_update_cursor(wp, data->cx, data->cy + 1);
1.96      nicm     1990:                if (window_copy_update_selection(wp, 1))
1.1       nicm     1991:                        window_copy_redraw_lines(wp, data->cy - 1, 2);
                   1992:        }
                   1993:
1.47      nicm     1994:        if (!data->screen.sel.flag || !data->rectflag) {
1.54      nicm     1995:                py = screen_hsize(data->backing) + data->cy - data->oy;
1.47      nicm     1996:                px = window_copy_find_length(wp, py);
1.49      nicm     1997:                if ((data->cx >= data->lastsx && data->cx != px) ||
                   1998:                    data->cx > px)
1.47      nicm     1999:                        window_copy_cursor_end_of_line(wp);
1.52      nicm     2000:        }
1.118     nicm     2001:
                   2002:        if (s->sel.lineflag == LINE_SEL_LEFT_RIGHT)
                   2003:                window_copy_cursor_end_of_line(wp);
                   2004:        else if (s->sel.lineflag == LINE_SEL_RIGHT_LEFT)
                   2005:                window_copy_cursor_start_of_line(wp);
1.52      nicm     2006: }
                   2007:
                   2008: void
                   2009: window_copy_cursor_jump(struct window_pane *wp)
                   2010: {
                   2011:        struct window_copy_mode_data    *data = wp->modedata;
1.54      nicm     2012:        struct screen                   *back_s = data->backing;
1.140     nicm     2013:        struct grid_cell                 gc;
1.67      nicm     2014:        u_int                            px, py, xx;
1.52      nicm     2015:
                   2016:        px = data->cx + 1;
1.54      nicm     2017:        py = screen_hsize(back_s) + data->cy - data->oy;
1.52      nicm     2018:        xx = window_copy_find_length(wp, py);
                   2019:
                   2020:        while (px < xx) {
1.140     nicm     2021:                grid_get_cell(back_s->grid, px, py, &gc);
                   2022:                if (!(gc.flags & GRID_FLAG_PADDING) &&
                   2023:                    gc.data.size == 1 && *gc.data.data == data->jumpchar) {
1.52      nicm     2024:                        window_copy_update_cursor(wp, px, data->cy);
1.96      nicm     2025:                        if (window_copy_update_selection(wp, 1))
1.52      nicm     2026:                                window_copy_redraw_lines(wp, data->cy, 1);
                   2027:                        return;
                   2028:                }
                   2029:                px++;
                   2030:        }
                   2031: }
                   2032:
                   2033: void
                   2034: window_copy_cursor_jump_back(struct window_pane *wp)
                   2035: {
                   2036:        struct window_copy_mode_data    *data = wp->modedata;
1.54      nicm     2037:        struct screen                   *back_s = data->backing;
1.140     nicm     2038:        struct grid_cell                 gc;
1.67      nicm     2039:        u_int                            px, py;
1.52      nicm     2040:
                   2041:        px = data->cx;
1.54      nicm     2042:        py = screen_hsize(back_s) + data->cy - data->oy;
1.52      nicm     2043:
                   2044:        if (px > 0)
                   2045:                px--;
                   2046:
                   2047:        for (;;) {
1.140     nicm     2048:                grid_get_cell(back_s->grid, px, py, &gc);
                   2049:                if (!(gc.flags & GRID_FLAG_PADDING) &&
                   2050:                    gc.data.size == 1 && *gc.data.data == data->jumpchar) {
1.52      nicm     2051:                        window_copy_update_cursor(wp, px, data->cy);
1.96      nicm     2052:                        if (window_copy_update_selection(wp, 1))
1.76      nicm     2053:                                window_copy_redraw_lines(wp, data->cy, 1);
                   2054:                        return;
                   2055:                }
                   2056:                if (px == 0)
                   2057:                        break;
                   2058:                px--;
                   2059:        }
                   2060: }
                   2061:
                   2062: void
1.127     nicm     2063: window_copy_cursor_jump_to(struct window_pane *wp, int jump_again)
1.76      nicm     2064: {
                   2065:        struct window_copy_mode_data    *data = wp->modedata;
                   2066:        struct screen                   *back_s = data->backing;
1.140     nicm     2067:        struct grid_cell                 gc;
1.76      nicm     2068:        u_int                            px, py, xx;
                   2069:
1.127     nicm     2070:        px = data->cx + 1 + jump_again;
1.76      nicm     2071:        py = screen_hsize(back_s) + data->cy - data->oy;
                   2072:        xx = window_copy_find_length(wp, py);
                   2073:
                   2074:        while (px < xx) {
1.140     nicm     2075:                grid_get_cell(back_s->grid, px, py, &gc);
                   2076:                if (!(gc.flags & GRID_FLAG_PADDING) &&
                   2077:                    gc.data.size == 1 && *gc.data.data == data->jumpchar) {
1.76      nicm     2078:                        window_copy_update_cursor(wp, px - 1, data->cy);
1.96      nicm     2079:                        if (window_copy_update_selection(wp, 1))
1.76      nicm     2080:                                window_copy_redraw_lines(wp, data->cy, 1);
                   2081:                        return;
                   2082:                }
                   2083:                px++;
                   2084:        }
                   2085: }
                   2086:
                   2087: void
1.127     nicm     2088: window_copy_cursor_jump_to_back(struct window_pane *wp, int jump_again)
1.76      nicm     2089: {
                   2090:        struct window_copy_mode_data    *data = wp->modedata;
                   2091:        struct screen                   *back_s = data->backing;
1.140     nicm     2092:        struct grid_cell                 gc;
1.76      nicm     2093:        u_int                            px, py;
                   2094:
                   2095:        px = data->cx;
                   2096:        py = screen_hsize(back_s) + data->cy - data->oy;
                   2097:
                   2098:        if (px > 0)
1.127     nicm     2099:                px--;
                   2100:
                   2101:        if (jump_again && px > 0)
1.76      nicm     2102:                px--;
                   2103:
                   2104:        for (;;) {
1.140     nicm     2105:                grid_get_cell(back_s->grid, px, py, &gc);
                   2106:                if (!(gc.flags & GRID_FLAG_PADDING) &&
                   2107:                    gc.data.size == 1 && *gc.data.data == data->jumpchar) {
1.76      nicm     2108:                        window_copy_update_cursor(wp, px + 1, data->cy);
1.96      nicm     2109:                        if (window_copy_update_selection(wp, 1))
1.52      nicm     2110:                                window_copy_redraw_lines(wp, data->cy, 1);
                   2111:                        return;
                   2112:                }
                   2113:                if (px == 0)
                   2114:                        break;
                   2115:                px--;
1.47      nicm     2116:        }
1.1       nicm     2117: }
                   2118:
                   2119: void
1.41      nicm     2120: window_copy_cursor_next_word(struct window_pane *wp, const char *separators)
1.40      nicm     2121: {
                   2122:        struct window_copy_mode_data    *data = wp->modedata;
1.54      nicm     2123:        struct screen                   *back_s = data->backing;
1.40      nicm     2124:        u_int                            px, py, xx, yy;
1.48      nicm     2125:        int                              expected = 0;
1.40      nicm     2126:
                   2127:        px = data->cx;
1.54      nicm     2128:        py = screen_hsize(back_s) + data->cy - data->oy;
1.40      nicm     2129:        xx = window_copy_find_length(wp, py);
1.54      nicm     2130:        yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
1.40      nicm     2131:
1.48      nicm     2132:        /*
                   2133:         * First skip past any nonword characters and then any word characters.
                   2134:         *
                   2135:         * expected is initially set to 0 for the former and then 1 for the
                   2136:         * latter.
                   2137:         */
                   2138:        do {
                   2139:                while (px > xx ||
                   2140:                    window_copy_in_set(wp, px, py, separators) == expected) {
                   2141:                        /* Move down if we're past the end of the line. */
                   2142:                        if (px > xx) {
                   2143:                                if (py == yy)
                   2144:                                        return;
                   2145:                                window_copy_cursor_down(wp, 0);
                   2146:                                px = 0;
                   2147:
1.54      nicm     2148:                                py = screen_hsize(back_s) + data->cy - data->oy;
1.48      nicm     2149:                                xx = window_copy_find_length(wp, py);
                   2150:                        } else
                   2151:                                px++;
                   2152:                }
                   2153:                expected = !expected;
                   2154:        } while (expected == 1);
1.40      nicm     2155:
                   2156:        window_copy_update_cursor(wp, px, data->cy);
1.96      nicm     2157:        if (window_copy_update_selection(wp, 1))
1.40      nicm     2158:                window_copy_redraw_lines(wp, data->cy, 1);
                   2159: }
                   2160:
                   2161: void
1.106     nicm     2162: window_copy_cursor_next_word_end(struct window_pane *wp,
                   2163:     const char *separators)
1.1       nicm     2164: {
                   2165:        struct window_copy_mode_data    *data = wp->modedata;
1.136     nicm     2166:        struct options                  *oo = wp->window->options;
1.54      nicm     2167:        struct screen                   *back_s = data->backing;
1.39      nicm     2168:        u_int                            px, py, xx, yy;
1.94      nicm     2169:        int                              keys, expected = 1;
1.1       nicm     2170:
1.18      nicm     2171:        px = data->cx;
1.54      nicm     2172:        py = screen_hsize(back_s) + data->cy - data->oy;
1.1       nicm     2173:        xx = window_copy_find_length(wp, py);
1.54      nicm     2174:        yy = screen_hsize(back_s) + screen_size_y(back_s) - 1;
1.1       nicm     2175:
1.94      nicm     2176:        keys = options_get_number(oo, "mode-keys");
                   2177:        if (keys == MODEKEY_VI && !window_copy_in_set(wp, px, py, separators))
                   2178:                px++;
                   2179:
1.48      nicm     2180:        /*
                   2181:         * First skip past any word characters, then any nonword characters.
                   2182:         *
                   2183:         * expected is initially set to 1 for the former and then 0 for the
                   2184:         * latter.
                   2185:         */
                   2186:        do {
                   2187:                while (px > xx ||
                   2188:                    window_copy_in_set(wp, px, py, separators) == expected) {
                   2189:                        /* Move down if we're past the end of the line. */
                   2190:                        if (px > xx) {
                   2191:                                if (py == yy)
                   2192:                                        return;
                   2193:                                window_copy_cursor_down(wp, 0);
                   2194:                                px = 0;
                   2195:
1.54      nicm     2196:                                py = screen_hsize(back_s) + data->cy - data->oy;
1.48      nicm     2197:                                xx = window_copy_find_length(wp, py);
                   2198:                        } else
                   2199:                                px++;
                   2200:                }
                   2201:                expected = !expected;
                   2202:        } while (expected == 0);
1.92      nicm     2203:
1.94      nicm     2204:        if (keys == MODEKEY_VI && px != 0)
1.92      nicm     2205:                px--;
1.18      nicm     2206:
                   2207:        window_copy_update_cursor(wp, px, data->cy);
1.96      nicm     2208:        if (window_copy_update_selection(wp, 1))
1.18      nicm     2209:                window_copy_redraw_lines(wp, data->cy, 1);
1.1       nicm     2210: }
                   2211:
1.8       nicm     2212: /* Move to the previous place where a word begins. */
1.1       nicm     2213: void
1.106     nicm     2214: window_copy_cursor_previous_word(struct window_pane *wp,
                   2215:     const char *separators)
1.1       nicm     2216: {
                   2217:        struct window_copy_mode_data    *data = wp->modedata;
1.8       nicm     2218:        u_int                            px, py;
1.1       nicm     2219:
1.18      nicm     2220:        px = data->cx;
1.54      nicm     2221:        py = screen_hsize(data->backing) + data->cy - data->oy;
1.1       nicm     2222:
1.8       nicm     2223:        /* Move back to the previous word character. */
1.1       nicm     2224:        for (;;) {
1.8       nicm     2225:                if (px > 0) {
                   2226:                        px--;
1.41      nicm     2227:                        if (!window_copy_in_set(wp, px, py, separators))
1.1       nicm     2228:                                break;
1.8       nicm     2229:                } else {
                   2230:                        if (data->cy == 0 &&
1.54      nicm     2231:                            (screen_hsize(data->backing) == 0 ||
                   2232:                            data->oy >= screen_hsize(data->backing) - 1))
1.8       nicm     2233:                                goto out;
1.28      nicm     2234:                        window_copy_cursor_up(wp, 0);
1.1       nicm     2235:
1.54      nicm     2236:                        py = screen_hsize(data->backing) + data->cy - data->oy;
1.8       nicm     2237:                        px = window_copy_find_length(wp, py);
1.1       nicm     2238:                }
1.8       nicm     2239:        }
1.1       nicm     2240:
1.8       nicm     2241:        /* Move back to the beginning of this word. */
1.41      nicm     2242:        while (px > 0 && !window_copy_in_set(wp, px - 1, py, separators))
1.1       nicm     2243:                px--;
1.8       nicm     2244:
1.1       nicm     2245: out:
1.18      nicm     2246:        window_copy_update_cursor(wp, px, data->cy);
1.96      nicm     2247:        if (window_copy_update_selection(wp, 1))
1.18      nicm     2248:                window_copy_redraw_lines(wp, data->cy, 1);
1.1       nicm     2249: }
                   2250:
                   2251: void
                   2252: window_copy_scroll_up(struct window_pane *wp, u_int ny)
                   2253: {
                   2254:        struct window_copy_mode_data    *data = wp->modedata;
                   2255:        struct screen                   *s = &data->screen;
                   2256:        struct screen_write_ctx          ctx;
                   2257:
                   2258:        if (data->oy < ny)
                   2259:                ny = data->oy;
                   2260:        if (ny == 0)
                   2261:                return;
                   2262:        data->oy -= ny;
                   2263:
1.96      nicm     2264:        window_copy_update_selection(wp, 0);
                   2265:
1.1       nicm     2266:        screen_write_start(&ctx, wp, NULL);
                   2267:        screen_write_cursormove(&ctx, 0, 0);
                   2268:        screen_write_deleteline(&ctx, ny);
                   2269:        window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
                   2270:        window_copy_write_line(wp, &ctx, 0);
1.31      nicm     2271:        if (screen_size_y(s) > 1)
                   2272:                window_copy_write_line(wp, &ctx, 1);
                   2273:        if (screen_size_y(s) > 3)
                   2274:                window_copy_write_line(wp, &ctx, screen_size_y(s) - 2);
1.96      nicm     2275:        if (s->sel.flag && screen_size_y(s) > ny)
1.1       nicm     2276:                window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
                   2277:        screen_write_cursormove(&ctx, data->cx, data->cy);
                   2278:        screen_write_stop(&ctx);
                   2279: }
                   2280:
                   2281: void
                   2282: window_copy_scroll_down(struct window_pane *wp, u_int ny)
                   2283: {
                   2284:        struct window_copy_mode_data    *data = wp->modedata;
                   2285:        struct screen                   *s = &data->screen;
                   2286:        struct screen_write_ctx          ctx;
                   2287:
1.54      nicm     2288:        if (ny > screen_hsize(data->backing))
1.1       nicm     2289:                return;
                   2290:
1.54      nicm     2291:        if (data->oy > screen_hsize(data->backing) - ny)
                   2292:                ny = screen_hsize(data->backing) - data->oy;
1.1       nicm     2293:        if (ny == 0)
                   2294:                return;
                   2295:        data->oy += ny;
                   2296:
1.96      nicm     2297:        window_copy_update_selection(wp, 0);
                   2298:
1.1       nicm     2299:        screen_write_start(&ctx, wp, NULL);
                   2300:        screen_write_cursormove(&ctx, 0, 0);
                   2301:        screen_write_insertline(&ctx, ny);
                   2302:        window_copy_write_lines(wp, &ctx, 0, ny);
1.96      nicm     2303:        if (s->sel.flag && screen_size_y(s) > ny)
1.1       nicm     2304:                window_copy_write_line(wp, &ctx, ny);
1.96      nicm     2305:        else if (ny == 1) /* nuke position */
1.1       nicm     2306:                window_copy_write_line(wp, &ctx, 1);
                   2307:        screen_write_cursormove(&ctx, data->cx, data->cy);
                   2308:        screen_write_stop(&ctx);
1.135     nicm     2309: }
                   2310:
                   2311: int
                   2312: window_copy_scroll_position(struct window_pane *wp)
                   2313: {
                   2314:        struct window_copy_mode_data    *data = wp->modedata;
                   2315:
                   2316:        if (wp->mode != &window_copy_mode)
                   2317:                return (-1);
                   2318:        return (data->oy);
1.1       nicm     2319: }
1.42      nicm     2320:
                   2321: void
                   2322: window_copy_rectangle_toggle(struct window_pane *wp)
                   2323: {
                   2324:        struct window_copy_mode_data    *data = wp->modedata;
1.47      nicm     2325:        u_int                            px, py;
1.42      nicm     2326:
                   2327:        data->rectflag = !data->rectflag;
1.47      nicm     2328:
1.54      nicm     2329:        py = screen_hsize(data->backing) + data->cy - data->oy;
1.47      nicm     2330:        px = window_copy_find_length(wp, py);
                   2331:        if (data->cx > px)
                   2332:                window_copy_update_cursor(wp, px, data->cy);
1.42      nicm     2333:
1.96      nicm     2334:        window_copy_update_selection(wp, 1);
1.42      nicm     2335:        window_copy_redraw_screen(wp);
1.126     nicm     2336: }
                   2337:
                   2338: void
1.141     nicm     2339: window_copy_start_drag(struct client *c, struct mouse_event *m)
1.126     nicm     2340: {
1.128     nicm     2341:        struct window_pane      *wp;
                   2342:        u_int                    x, y;
1.126     nicm     2343:
                   2344:        wp = cmd_mouse_pane(m, NULL, NULL);
1.129     nicm     2345:        if (wp == NULL || wp->mode != &window_copy_mode)
1.126     nicm     2346:                return;
                   2347:
                   2348:        if (cmd_mouse_at(wp, m, &x, &y, 1) != 0)
                   2349:                return;
                   2350:
                   2351:        c->tty.mouse_drag_update = window_copy_drag_update;
1.146     nicm     2352:        c->tty.mouse_drag_release = NULL; /* will fire MouseUp key */
1.126     nicm     2353:
                   2354:        window_copy_update_cursor(wp, x, y);
                   2355:        window_copy_start_selection(wp);
                   2356:        window_copy_redraw_screen(wp);
                   2357: }
                   2358:
                   2359: void
1.141     nicm     2360: window_copy_drag_update(__unused struct client *c, struct mouse_event *m)
1.126     nicm     2361: {
                   2362:        struct window_pane              *wp;
                   2363:        struct window_copy_mode_data    *data;
                   2364:        u_int                            x, y, old_cy;
                   2365:
                   2366:        wp = cmd_mouse_pane(m, NULL, NULL);
1.129     nicm     2367:        if (wp == NULL || wp->mode != &window_copy_mode)
1.126     nicm     2368:                return;
                   2369:        data = wp->modedata;
                   2370:
                   2371:        if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
                   2372:                return;
                   2373:        old_cy = data->cy;
                   2374:
                   2375:        window_copy_update_cursor(wp, x, y);
                   2376:        if (window_copy_update_selection(wp, 1))
                   2377:                window_copy_redraw_selection(wp, old_cy);
1.42      nicm     2378: }