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Annotation of src/usr.bin/tmux/window-choose.c, Revision 1.90

1.90    ! nicm        1: /* $OpenBSD: window-choose.c,v 1.89 2017/04/28 19:13:55 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.74      nicm        4:  * Copyright (c) 2009 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:
1.19      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:
1.79      nicm       27: static struct screen *window_choose_init(struct window_pane *);
                     28: static void    window_choose_free(struct window_pane *);
                     29: static void    window_choose_resize(struct window_pane *, u_int, u_int);
                     30: static void    window_choose_key(struct window_pane *, struct client *,
                     31:                    struct session *, key_code, struct mouse_event *);
                     32:
                     33: static void    window_choose_default_callback(struct window_choose_data *);
                     34: static struct window_choose_mode_item *window_choose_get_item(
                     35:                    struct window_pane *, key_code, struct mouse_event *);
                     36:
                     37: static void    window_choose_fire_callback(struct window_pane *,
                     38:                    struct window_choose_data *);
                     39: static void    window_choose_redraw_screen(struct window_pane *);
                     40: static void    window_choose_write_line(struct window_pane *,
                     41:                    struct screen_write_ctx *, u_int);
                     42:
                     43: static void    window_choose_scroll_up(struct window_pane *);
                     44: static void    window_choose_scroll_down(struct window_pane *);
                     45:
                     46: static void    window_choose_collapse(struct window_pane *, struct session *,
                     47:                    u_int);
                     48: static void    window_choose_expand(struct window_pane *, struct session *,
                     49:                    u_int);
                     50: static void    window_choose_collapse_all(struct window_pane *);
1.1       nicm       51:
1.79      nicm       52: static void    window_choose_data_free(struct window_choose_data *);
1.27      nicm       53:
1.22      nicm       54: enum window_choose_input_type {
                     55:        WINDOW_CHOOSE_NORMAL = -1,
                     56:        WINDOW_CHOOSE_GOTO_ITEM,
                     57: };
                     58:
1.1       nicm       59: const struct window_mode window_choose_mode = {
1.78      nicm       60:        .init = window_choose_init,
                     61:        .free = window_choose_free,
                     62:        .resize = window_choose_resize,
                     63:        .key = window_choose_key,
1.64      nicm       64: };
                     65:
                     66: struct window_choose_mode_item {
                     67:        struct window_choose_data       *wcd;
                     68:        char                            *name;
                     69:        int                              pos;
                     70:        int                              state;
                     71: #define TREE_EXPANDED 0x1
1.1       nicm       72: };
                     73:
                     74: struct window_choose_mode_data {
                     75:        struct screen           screen;
                     76:
1.75      nicm       77:        struct window_choose_mode_item *list;
                     78:        u_int                   list_size;
                     79:        struct window_choose_mode_item *old_list;
                     80:        u_int                   old_list_size;
                     81:
1.22      nicm       82:        int                     width;
1.1       nicm       83:        u_int                   top;
                     84:        u_int                   selected;
1.22      nicm       85:        enum window_choose_input_type input_type;
                     86:        const char              *input_prompt;
                     87:        char                    *input_str;
1.1       nicm       88:
1.19      nicm       89:        void                    (*callbackfn)(struct window_choose_data *);
1.1       nicm       90: };
                     91:
1.85      nicm       92: static const char window_choose_keys_emacs[] = "0123456789"
                     93:                                               "abcdefghijklmnoprstuvwxyz"
                     94:                                               "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
                     95: static const char window_choose_keys_vi[] = "0123456789"
1.88      nicm       96:                                            "abcdefimnoprstuvwxyz"
1.85      nicm       97:                                            "ABCDEFIJKMNOPQRSTUVWXYZ";
                     98:
1.79      nicm       99: static void    window_choose_free1(struct window_choose_mode_data *);
1.85      nicm      100: static int     window_choose_key_index(struct window_pane *, u_int);
                    101: static int     window_choose_index_key(struct window_pane *, key_code);
1.79      nicm      102: static void    window_choose_prompt_input(enum window_choose_input_type,
                    103:                    const char *, struct window_pane *, key_code);
                    104: static void    window_choose_reset_top(struct window_pane *, u_int);
1.11      nicm      105:
1.1       nicm      106: void
1.19      nicm      107: window_choose_add(struct window_pane *wp, struct window_choose_data *wcd)
1.1       nicm      108: {
                    109:        struct window_choose_mode_data  *data = wp->modedata;
                    110:        struct window_choose_mode_item  *item;
1.75      nicm      111:        char                             tmp[11];
1.1       nicm      112:
1.75      nicm      113:        data->list = xreallocarray(data->list, data->list_size + 1,
                    114:            sizeof *data->list);
                    115:        item = &data->list[data->list_size++];
1.1       nicm      116:
1.19      nicm      117:        item->name = format_expand(wcd->ft, wcd->ft_template);
                    118:        item->wcd = wcd;
1.75      nicm      119:        item->pos = data->list_size - 1;
1.27      nicm      120:        item->state = 0;
1.22      nicm      121:
1.75      nicm      122:        data->width = xsnprintf(tmp, sizeof tmp, "%d", item->pos);
1.1       nicm      123: }
                    124:
                    125: void
1.47      nicm      126: window_choose_set_current(struct window_pane *wp, u_int cur)
1.1       nicm      127: {
                    128:        struct window_choose_mode_data  *data = wp->modedata;
                    129:        struct screen                   *s = &data->screen;
                    130:
                    131:        data->selected = cur;
1.48      nicm      132:        window_choose_reset_top(wp, screen_size_y(s));
                    133: }
                    134:
1.79      nicm      135: static void
1.48      nicm      136: window_choose_reset_top(struct window_pane *wp, u_int sy)
                    137: {
                    138:        struct window_choose_mode_data  *data = wp->modedata;
                    139:
                    140:        data->top = 0;
                    141:        if (data->selected > sy - 1)
                    142:                data->top = data->selected - (sy - 1);
1.1       nicm      143:
1.47      nicm      144:        window_choose_redraw_screen(wp);
                    145: }
                    146:
                    147: void
                    148: window_choose_ready(struct window_pane *wp, u_int cur,
                    149:     void (*callbackfn)(struct window_choose_data *))
                    150: {
                    151:        struct window_choose_mode_data  *data = wp->modedata;
1.75      nicm      152:        u_int                            size;
1.47      nicm      153:
1.3       nicm      154:        data->callbackfn = callbackfn;
1.33      nicm      155:        if (data->callbackfn == NULL)
                    156:                data->callbackfn = window_choose_default_callback;
1.1       nicm      157:
1.75      nicm      158:        size = data->old_list_size;
                    159:        data->old_list_size += data->list_size;
                    160:        data->old_list = xreallocarray(data->old_list, data->old_list_size,
                    161:            sizeof *data->old_list);
                    162:        memcpy(data->old_list + size, data->list, data->list_size *
                    163:            sizeof *data->list);
1.27      nicm      164:
1.47      nicm      165:        window_choose_set_current(wp, cur);
1.27      nicm      166:        window_choose_collapse_all(wp);
1.1       nicm      167: }
                    168:
1.79      nicm      169: static struct screen *
1.1       nicm      170: window_choose_init(struct window_pane *wp)
                    171: {
                    172:        struct window_choose_mode_data  *data;
                    173:        struct screen                   *s;
                    174:
1.75      nicm      175:        wp->modedata = data = xcalloc(1, sizeof *data);
1.3       nicm      176:
                    177:        data->callbackfn = NULL;
1.22      nicm      178:        data->input_type = WINDOW_CHOOSE_NORMAL;
                    179:        data->input_str = xstrdup("");
                    180:        data->input_prompt = NULL;
1.3       nicm      181:
1.75      nicm      182:        data->list = NULL;
                    183:        data->list_size = 0;
                    184:
                    185:        data->old_list = NULL;
                    186:        data->old_list_size = 0;
                    187:
1.1       nicm      188:        data->top = 0;
                    189:
                    190:        s = &data->screen;
                    191:        screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
                    192:        s->mode &= ~MODE_CURSOR;
                    193:
                    194:        return (s);
                    195: }
                    196:
1.19      nicm      197: struct window_choose_data *
1.33      nicm      198: window_choose_data_create(int type, struct client *c, struct session *s)
1.19      nicm      199: {
                    200:        struct window_choose_data       *wcd;
                    201:
                    202:        wcd = xmalloc(sizeof *wcd);
1.33      nicm      203:        wcd->type = type;
                    204:
1.90    ! nicm      205:        wcd->ft = format_create(c, NULL, FORMAT_NONE, 0);
1.19      nicm      206:        wcd->ft_template = NULL;
1.33      nicm      207:
1.20      nicm      208:        wcd->command = NULL;
1.33      nicm      209:
1.24      nicm      210:        wcd->wl = NULL;
1.33      nicm      211:        wcd->pane_id = -1;
                    212:        wcd->idx = -1;
                    213:
1.27      nicm      214:        wcd->tree_session = NULL;
1.33      nicm      215:
                    216:        wcd->start_client = c;
                    217:        wcd->start_client->references++;
                    218:        wcd->start_session = s;
                    219:        wcd->start_session->references++;
1.19      nicm      220:
                    221:        return (wcd);
                    222: }
                    223:
1.79      nicm      224: static void
1.33      nicm      225: window_choose_data_free(struct window_choose_data *wcd)
                    226: {
1.65      nicm      227:        server_client_unref(wcd->start_client);
1.89      nicm      228:        session_remove_ref(wcd->start_session, __func__);
1.33      nicm      229:
                    230:        if (wcd->tree_session != NULL)
1.89      nicm      231:                session_remove_ref(wcd->tree_session, __func__);
1.33      nicm      232:
                    233:        free(wcd->ft_template);
                    234:        format_free(wcd->ft);
                    235:
                    236:        free(wcd->command);
                    237:        free(wcd);
                    238: }
                    239:
                    240: void
                    241: window_choose_data_run(struct window_choose_data *cdata)
                    242: {
1.82      nicm      243:        struct cmd_list         *cmdlist;
                    244:        char                    *cause;
                    245:        struct cmdq_item        *item;
1.33      nicm      246:
                    247:        /*
                    248:         * The command template will have already been replaced. But if it's
                    249:         * NULL, bail here.
                    250:         */
                    251:        if (cdata->command == NULL)
                    252:                return;
                    253:
1.84      nicm      254:        cmdlist = cmd_string_parse(cdata->command, NULL, 0, &cause);
                    255:        if (cmdlist == NULL) {
1.33      nicm      256:                if (cause != NULL) {
                    257:                        *cause = toupper((u_char) *cause);
                    258:                        status_message_set(cdata->start_client, "%s", cause);
                    259:                        free(cause);
                    260:                }
                    261:                return;
                    262:        }
                    263:
1.82      nicm      264:        item = cmdq_get_command(cmdlist, NULL, NULL, 0);
                    265:        cmdq_append(cdata->start_client, item);
1.33      nicm      266:        cmd_list_free(cmdlist);
                    267: }
                    268:
1.79      nicm      269: static void
1.33      nicm      270: window_choose_default_callback(struct window_choose_data *wcd)
                    271: {
                    272:        if (wcd == NULL)
                    273:                return;
                    274:        if (wcd->start_client->flags & CLIENT_DEAD)
                    275:                return;
                    276:
                    277:        window_choose_data_run(wcd);
                    278: }
                    279:
1.79      nicm      280: static void
1.1       nicm      281: window_choose_free(struct window_pane *wp)
                    282: {
1.38      nicm      283:        if (wp->modedata != NULL)
                    284:                window_choose_free1(wp->modedata);
                    285: }
                    286:
1.79      nicm      287: static void
1.38      nicm      288: window_choose_free1(struct window_choose_mode_data *data)
                    289: {
1.19      nicm      290:        struct window_choose_mode_item  *item;
1.1       nicm      291:        u_int                            i;
                    292:
1.38      nicm      293:        if (data == NULL)
                    294:                return;
                    295:
1.75      nicm      296:        for (i = 0; i < data->old_list_size; i++) {
                    297:                item = &data->old_list[i];
1.33      nicm      298:                window_choose_data_free(item->wcd);
1.21      nicm      299:                free(item->name);
1.19      nicm      300:        }
1.75      nicm      301:        free(data->list);
                    302:        free(data->old_list);
                    303:
1.22      nicm      304:        free(data->input_str);
1.1       nicm      305:
                    306:        screen_free(&data->screen);
1.21      nicm      307:        free(data);
1.1       nicm      308: }
                    309:
1.79      nicm      310: static void
1.1       nicm      311: window_choose_resize(struct window_pane *wp, u_int sx, u_int sy)
                    312: {
                    313:        struct window_choose_mode_data  *data = wp->modedata;
                    314:        struct screen                   *s = &data->screen;
                    315:
1.48      nicm      316:        window_choose_reset_top(wp, sy);
1.32      nicm      317:        screen_resize(s, sx, sy, 0);
1.1       nicm      318:        window_choose_redraw_screen(wp);
                    319: }
                    320:
1.79      nicm      321: static void
1.73      nicm      322: window_choose_fire_callback(struct window_pane *wp,
                    323:     struct window_choose_data *wcd)
1.18      nicm      324: {
                    325:        struct window_choose_mode_data  *data = wp->modedata;
                    326:
1.38      nicm      327:        wp->modedata = NULL;
                    328:        window_pane_reset_mode(wp);
1.18      nicm      329:
1.19      nicm      330:        data->callbackfn(wcd);
1.18      nicm      331:
1.38      nicm      332:        window_choose_free1(data);
1.18      nicm      333: }
                    334:
1.79      nicm      335: static void
1.22      nicm      336: window_choose_prompt_input(enum window_choose_input_type input_type,
1.68      nicm      337:     const char *prompt, struct window_pane *wp, key_code key)
1.22      nicm      338: {
                    339:        struct window_choose_mode_data  *data = wp->modedata;
                    340:        size_t                           input_len;
                    341:
                    342:        data->input_type = input_type;
                    343:        data->input_prompt = prompt;
                    344:        input_len = strlen(data->input_str) + 2;
                    345:
1.55      nicm      346:        data->input_str = xrealloc(data->input_str, input_len);
1.22      nicm      347:        data->input_str[input_len - 2] = key;
                    348:        data->input_str[input_len - 1] = '\0';
                    349:
                    350:        window_choose_redraw_screen(wp);
                    351: }
                    352:
1.79      nicm      353: static void
1.61      nicm      354: window_choose_collapse(struct window_pane *wp, struct session *s, u_int pos)
1.27      nicm      355: {
                    356:        struct window_choose_mode_data  *data = wp->modedata;
1.75      nicm      357:        struct window_choose_mode_item  *item, *chosen, *copy = NULL;
1.27      nicm      358:        struct window_choose_data       *wcd;
1.75      nicm      359:        u_int                            i, copy_size = 0;
1.27      nicm      360:
1.75      nicm      361:        chosen = &data->list[pos];
1.27      nicm      362:        chosen->state &= ~TREE_EXPANDED;
                    363:
                    364:        /*
                    365:         * Trying to mangle the &data->list in-place has lots of problems, so
                    366:         * assign the actual result we want to render and copy the new one over
                    367:         * the top of it.
                    368:         */
1.75      nicm      369:        for (i = 0; i < data->list_size; i++) {
                    370:                item = &data->list[i];
1.27      nicm      371:                wcd = item->wcd;
                    372:
                    373:                if (s == wcd->tree_session) {
                    374:                        /* We only show the session when collapsed. */
                    375:                        if (wcd->type & TREE_SESSION) {
                    376:                                item->state &= ~TREE_EXPANDED;
1.75      nicm      377:
                    378:                                copy = xreallocarray(copy, copy_size + 1,
                    379:                                    sizeof *copy);
                    380:                                memcpy(&copy[copy_size], item, sizeof *copy);
                    381:                                copy_size++;
1.27      nicm      382:
                    383:                                /*
                    384:                                 * Update the selection to this session item so
                    385:                                 * we don't end up highlighting a non-existent
                    386:                                 * item.
                    387:                                 */
                    388:                                data->selected = i;
                    389:                        }
1.75      nicm      390:                } else {
                    391:                        copy = xreallocarray(copy, copy_size + 1, sizeof *copy);
                    392:                        memcpy(&copy[copy_size], item, sizeof *copy);
                    393:                        copy_size++;
                    394:                }
1.27      nicm      395:        }
                    396:
1.75      nicm      397:        if (copy_size != 0) {
                    398:                free(data->list);
                    399:                data->list = copy;
                    400:                data->list_size = copy_size;
1.27      nicm      401:        }
                    402: }
                    403:
1.79      nicm      404: static void
1.27      nicm      405: window_choose_collapse_all(struct window_pane *wp)
                    406: {
                    407:        struct window_choose_mode_data  *data = wp->modedata;
1.28      nicm      408:        struct window_choose_mode_item  *item;
1.48      nicm      409:        struct screen                   *scr = &data->screen;
1.28      nicm      410:        struct session                  *s, *chosen;
1.27      nicm      411:        u_int                            i;
                    412:
1.75      nicm      413:        chosen = data->list[data->selected].wcd->start_session;
1.27      nicm      414:
                    415:        RB_FOREACH(s, sessions, &sessions)
1.61      nicm      416:                window_choose_collapse(wp, s, data->selected);
1.27      nicm      417:
                    418:        /* Reset the selection back to the starting session. */
1.75      nicm      419:        for (i = 0; i < data->list_size; i++) {
                    420:                item = &data->list[i];
1.27      nicm      421:
1.28      nicm      422:                if (chosen != item->wcd->tree_session)
1.27      nicm      423:                        continue;
                    424:
                    425:                if (item->wcd->type & TREE_SESSION)
                    426:                        data->selected = i;
                    427:        }
1.48      nicm      428:        window_choose_reset_top(wp, screen_size_y(scr));
1.27      nicm      429: }
                    430:
                    431: void
                    432: window_choose_expand_all(struct window_pane *wp)
                    433: {
                    434:        struct window_choose_mode_data  *data = wp->modedata;
                    435:        struct window_choose_mode_item  *item;
1.48      nicm      436:        struct screen                   *scr = &data->screen;
1.27      nicm      437:        struct session                  *s;
                    438:        u_int                            i;
                    439:
                    440:        RB_FOREACH(s, sessions, &sessions) {
1.75      nicm      441:                for (i = 0; i < data->list_size; i++) {
                    442:                        item = &data->list[i];
1.27      nicm      443:
                    444:                        if (s != item->wcd->tree_session)
                    445:                                continue;
                    446:
                    447:                        if (item->wcd->type & TREE_SESSION)
                    448:                                window_choose_expand(wp, s, i);
                    449:                }
                    450:        }
                    451:
1.48      nicm      452:        window_choose_reset_top(wp, screen_size_y(scr));
1.27      nicm      453: }
                    454:
1.79      nicm      455: static void
1.27      nicm      456: window_choose_expand(struct window_pane *wp, struct session *s, u_int pos)
                    457: {
                    458:        struct window_choose_mode_data  *data = wp->modedata;
                    459:        struct window_choose_mode_item  *item, *chosen;
                    460:        struct window_choose_data       *wcd;
                    461:        u_int                            i, items;
                    462:
1.75      nicm      463:        chosen = &data->list[pos];
                    464:        items = data->old_list_size - 1;
1.27      nicm      465:
                    466:        /* It's not possible to expand anything other than sessions. */
                    467:        if (!(chosen->wcd->type & TREE_SESSION))
                    468:                return;
                    469:
                    470:        /* Don't re-expand a session which is already expanded. */
                    471:        if (chosen->state & TREE_EXPANDED)
                    472:                return;
                    473:
                    474:        /* Mark the session entry as expanded. */
                    475:        chosen->state |= TREE_EXPANDED;
                    476:
                    477:        /*
                    478:         * Go back through the original list of all sessions and windows, and
                    479:         * pull out the windows where the session matches the selection chosen
                    480:         * to expand.
                    481:         */
                    482:        for (i = items; i > 0; i--) {
1.75      nicm      483:                item = &data->old_list[i];
1.27      nicm      484:                item->state |= TREE_EXPANDED;
                    485:                wcd = item->wcd;
                    486:
                    487:                if (s == wcd->tree_session) {
                    488:                        /*
                    489:                         * Since the session is already displayed, we only care
                    490:                         * to add back in window for it.
                    491:                         */
                    492:                        if (wcd->type & TREE_WINDOW) {
                    493:                                /*
                    494:                                 * If the insertion point for adding the
                    495:                                 * windows to the session falls inside the
                    496:                                 * range of the list, then we insert these
                    497:                                 * entries in order *AFTER* the selected
                    498:                                 * session.
                    499:                                 */
1.75      nicm      500:                                if (pos < i) {
                    501:                                        data->list = xreallocarray(data->list,
                    502:                                            data->list_size + 1,
                    503:                                            sizeof *data->list);
                    504:                                        memmove(&data->list[pos + 2],
                    505:                                            &data->list[pos + 1],
1.76      nicm      506:                                            (data->list_size - (pos + 1)) *
1.75      nicm      507:                                            sizeof *data->list);
                    508:                                        memcpy(&data->list[pos + 1],
                    509:                                            &data->old_list[i],
                    510:                                            sizeof *data->list);
                    511:                                        data->list_size++;
1.27      nicm      512:                                } else {
                    513:                                        /* Ran out of room, add to the end. */
1.75      nicm      514:                                        data->list = xreallocarray(data->list,
                    515:                                            data->list_size + 1,
                    516:                                            sizeof *data->list);
                    517:                                        memcpy(&data->list[data->list_size],
                    518:                                            &data->old_list[i],
                    519:                                            sizeof *data->list);
                    520:                                        data->list_size++;
1.27      nicm      521:                                }
                    522:                        }
                    523:                }
                    524:        }
                    525: }
                    526:
1.79      nicm      527: static struct window_choose_mode_item *
1.68      nicm      528: window_choose_get_item(struct window_pane *wp, key_code key,
                    529:     struct mouse_event *m)
1.61      nicm      530: {
                    531:        struct window_choose_mode_data  *data = wp->modedata;
                    532:        u_int                            x, y, idx;
                    533:
                    534:        if (!KEYC_IS_MOUSE(key))
1.75      nicm      535:                return (&data->list[data->selected]);
1.61      nicm      536:
                    537:        if (cmd_mouse_at(wp, m, &x, &y, 0) != 0)
                    538:                return (NULL);
                    539:
                    540:        idx = data->top + y;
1.75      nicm      541:        if (idx >= data->list_size)
1.61      nicm      542:                return (NULL);
1.75      nicm      543:        return (&data->list[idx]);
1.61      nicm      544: }
                    545:
1.85      nicm      546: static key_code
                    547: window_choose_translate_key(key_code key)
                    548: {
                    549:        switch (key) {
                    550:        case '0'|KEYC_ESCAPE:
                    551:        case '1'|KEYC_ESCAPE:
                    552:        case '2'|KEYC_ESCAPE:
                    553:        case '3'|KEYC_ESCAPE:
                    554:        case '4'|KEYC_ESCAPE:
                    555:        case '5'|KEYC_ESCAPE:
                    556:        case '6'|KEYC_ESCAPE:
                    557:        case '7'|KEYC_ESCAPE:
                    558:        case '8'|KEYC_ESCAPE:
                    559:        case '9'|KEYC_ESCAPE:
                    560:        case '\003': /* C-c */
                    561:        case 'q':
                    562:        case '\n':
                    563:        case '\r':
                    564:        case KEYC_BSPACE:
                    565:        case ' ':
                    566:        case KEYC_LEFT|KEYC_CTRL:
                    567:        case KEYC_RIGHT|KEYC_CTRL:
                    568:        case KEYC_MOUSEDOWN1_PANE:
                    569:        case KEYC_MOUSEDOWN3_PANE:
                    570:        case KEYC_WHEELUP_PANE:
                    571:        case KEYC_WHEELDOWN_PANE:
                    572:                return (key);
                    573:        case '\031': /* C-y */
                    574:        case KEYC_UP|KEYC_CTRL:
                    575:                return (KEYC_UP|KEYC_CTRL);
                    576:        case '\002': /* C-b */
                    577:        case KEYC_PPAGE:
                    578:                return (KEYC_PPAGE);
                    579:        case '\005': /* C-e */
                    580:        case KEYC_DOWN|KEYC_CTRL:
                    581:                return (KEYC_DOWN|KEYC_CTRL);
                    582:        case '\006': /* C-f */
                    583:        case KEYC_NPAGE:
                    584:                return (KEYC_NPAGE);
1.88      nicm      585:        case 'h':
                    586:        case KEYC_LEFT:
                    587:                return (KEYC_LEFT);
1.85      nicm      588:        case 'j':
                    589:        case KEYC_DOWN:
                    590:                return (KEYC_DOWN);
                    591:        case 'k':
                    592:        case KEYC_UP:
                    593:                return (KEYC_UP);
1.88      nicm      594:        case 'l':
                    595:        case KEYC_RIGHT:
                    596:                return (KEYC_RIGHT);
1.85      nicm      597:        case 'g':
                    598:        case KEYC_HOME:
                    599:                return (KEYC_HOME);
                    600:        case 'G':
                    601:        case KEYC_END:
                    602:                return (KEYC_END);
                    603:        case 'H':
                    604:                return ('R'|KEYC_ESCAPE);
                    605:        case 'L':
                    606:                return ('r'|KEYC_ESCAPE);
                    607:        }
                    608:        if ((key >= '0' && key <= '9') ||
                    609:            (key >= 'a' && key <= 'z') ||
                    610:            (key >= 'A' && key <= 'Z'))
                    611:                return (key);
                    612:        return (KEYC_NONE);
                    613: }
                    614:
1.79      nicm      615: static void
1.70      nicm      616: window_choose_key(struct window_pane *wp, __unused struct client *c,
1.85      nicm      617:     __unused struct session *sp, key_code key, struct mouse_event *m)
1.1       nicm      618: {
                    619:        struct window_choose_mode_data  *data = wp->modedata;
                    620:        struct screen                   *s = &data->screen;
                    621:        struct screen_write_ctx          ctx;
                    622:        struct window_choose_mode_item  *item;
1.22      nicm      623:        size_t                           input_len;
1.27      nicm      624:        u_int                            items, n;
1.85      nicm      625:        int                              idx, keys;
1.1       nicm      626:
1.85      nicm      627:        keys = options_get_number(wp->window->options, "mode-keys");
                    628:        if (keys == MODEKEY_VI) {
                    629:                key = window_choose_translate_key(key);
                    630:                if (key == KEYC_NONE)
                    631:                        return;
                    632:        }
1.75      nicm      633:        items = data->list_size;
1.1       nicm      634:
1.25      nicm      635:        if (data->input_type == WINDOW_CHOOSE_GOTO_ITEM) {
1.85      nicm      636:                switch (key) {
                    637:                case '\003': /* C-c */
                    638:                case '\033': /* Escape */
                    639:                case 'q':
1.25      nicm      640:                        data->input_type = WINDOW_CHOOSE_NORMAL;
                    641:                        window_choose_redraw_screen(wp);
1.22      nicm      642:                        break;
1.85      nicm      643:                case '\n':
                    644:                case '\r':
1.22      nicm      645:                        n = strtonum(data->input_str, 0, INT_MAX, NULL);
1.25      nicm      646:                        if (n > items - 1) {
                    647:                                data->input_type = WINDOW_CHOOSE_NORMAL;
                    648:                                window_choose_redraw_screen(wp);
1.22      nicm      649:                                break;
1.25      nicm      650:                        }
1.75      nicm      651:                        window_choose_fire_callback(wp, data->list[n].wcd);
1.22      nicm      652:                        break;
1.85      nicm      653:                case KEYC_BSPACE:
1.25      nicm      654:                        input_len = strlen(data->input_str);
                    655:                        if (input_len > 0)
                    656:                                data->input_str[input_len - 1] = '\0';
                    657:                        window_choose_redraw_screen(wp);
                    658:                        break;
                    659:                default:
                    660:                        if (key < '0' || key > '9')
                    661:                                break;
                    662:                        window_choose_prompt_input(WINDOW_CHOOSE_GOTO_ITEM,
                    663:                            "Goto Item", wp, key);
                    664:                        break;
1.22      nicm      665:                }
1.25      nicm      666:                return;
                    667:        }
                    668:
1.85      nicm      669:        switch (key) {
                    670:        case '\003': /* C-c */
                    671:        case '\033': /* Escape */
                    672:        case 'q':
1.25      nicm      673:                window_choose_fire_callback(wp, NULL);
                    674:                break;
1.85      nicm      675:        case '\n':
                    676:        case '\r':
                    677:        case KEYC_MOUSEDOWN1_PANE:
1.61      nicm      678:                if ((item = window_choose_get_item(wp, key, m)) == NULL)
                    679:                        break;
1.25      nicm      680:                window_choose_fire_callback(wp, item->wcd);
1.1       nicm      681:                break;
1.85      nicm      682:        case ' ':
                    683:        case KEYC_MOUSEDOWN3_PANE:
1.61      nicm      684:                if ((item = window_choose_get_item(wp, key, m)) == NULL)
                    685:                        break;
                    686:                if (item->state & TREE_EXPANDED) {
                    687:                        window_choose_collapse(wp, item->wcd->tree_session,
1.62      nicm      688:                            data->selected);
1.61      nicm      689:                } else {
1.27      nicm      690:                        window_choose_expand(wp, item->wcd->tree_session,
1.62      nicm      691:                            data->selected);
1.27      nicm      692:                }
                    693:                window_choose_redraw_screen(wp);
                    694:                break;
1.85      nicm      695:        case KEYC_LEFT:
1.61      nicm      696:                if ((item = window_choose_get_item(wp, key, m)) == NULL)
                    697:                        break;
1.27      nicm      698:                if (item->state & TREE_EXPANDED) {
1.61      nicm      699:                        window_choose_collapse(wp, item->wcd->tree_session,
                    700:                            data->selected);
1.27      nicm      701:                        window_choose_redraw_screen(wp);
                    702:                }
                    703:                break;
1.85      nicm      704:        case KEYC_LEFT|KEYC_CTRL:
1.27      nicm      705:                window_choose_collapse_all(wp);
                    706:                break;
1.85      nicm      707:        case KEYC_RIGHT:
1.61      nicm      708:                if ((item = window_choose_get_item(wp, key, m)) == NULL)
                    709:                        break;
1.27      nicm      710:                if (!(item->state & TREE_EXPANDED)) {
                    711:                        window_choose_expand(wp, item->wcd->tree_session,
                    712:                            data->selected);
                    713:                        window_choose_redraw_screen(wp);
                    714:                }
                    715:                break;
1.85      nicm      716:        case KEYC_RIGHT|KEYC_CTRL:
1.27      nicm      717:                window_choose_expand_all(wp);
                    718:                break;
1.85      nicm      719:        case '\020': /* C-p */
                    720:        case KEYC_UP:
                    721:        case KEYC_WHEELUP_PANE:
1.1       nicm      722:                if (items == 0)
                    723:                        break;
                    724:                if (data->selected == 0) {
                    725:                        data->selected = items - 1;
                    726:                        if (data->selected > screen_size_y(s) - 1)
                    727:                                data->top = items - screen_size_y(s);
                    728:                        window_choose_redraw_screen(wp);
                    729:                        break;
                    730:                }
                    731:                data->selected--;
                    732:                if (data->selected < data->top)
                    733:                        window_choose_scroll_up(wp);
                    734:                else {
                    735:                        screen_write_start(&ctx, wp, NULL);
1.73      nicm      736:                        window_choose_write_line(wp, &ctx,
                    737:                            data->selected - data->top);
                    738:                        window_choose_write_line(wp, &ctx,
                    739:                            data->selected + 1 - data->top);
1.1       nicm      740:                        screen_write_stop(&ctx);
                    741:                }
                    742:                break;
1.85      nicm      743:        case '\016': /* C-n */
                    744:        case KEYC_DOWN:
                    745:        case KEYC_WHEELDOWN_PANE:
1.1       nicm      746:                if (items == 0)
                    747:                        break;
                    748:                if (data->selected == items - 1) {
                    749:                        data->selected = 0;
                    750:                        data->top = 0;
                    751:                        window_choose_redraw_screen(wp);
                    752:                        break;
                    753:                }
                    754:                data->selected++;
1.5       nicm      755:
1.15      nicm      756:                if (data->selected < data->top + screen_size_y(s)) {
1.1       nicm      757:                        screen_write_start(&ctx, wp, NULL);
1.73      nicm      758:                        window_choose_write_line(wp, &ctx,
                    759:                            data->selected - data->top);
                    760:                        window_choose_write_line(wp, &ctx,
                    761:                            data->selected - 1 - data->top);
1.1       nicm      762:                        screen_write_stop(&ctx);
1.15      nicm      763:                } else
                    764:                        window_choose_scroll_down(wp);
                    765:                break;
1.85      nicm      766:        case KEYC_UP|KEYC_CTRL:
1.15      nicm      767:                if (items == 0 || data->top == 0)
                    768:                        break;
                    769:                if (data->selected == data->top + screen_size_y(s) - 1) {
                    770:                        data->selected--;
                    771:                        window_choose_scroll_up(wp);
                    772:                        screen_write_start(&ctx, wp, NULL);
1.73      nicm      773:                        window_choose_write_line(wp, &ctx,
                    774:                            screen_size_y(s) - 1);
1.15      nicm      775:                        screen_write_stop(&ctx);
                    776:                } else
                    777:                        window_choose_scroll_up(wp);
                    778:                break;
1.85      nicm      779:        case KEYC_DOWN|KEYC_CTRL:
1.15      nicm      780:                if (items == 0 ||
                    781:                    data->top + screen_size_y(&data->screen) >= items)
                    782:                        break;
                    783:                if (data->selected == data->top) {
                    784:                        data->selected++;
                    785:                        window_choose_scroll_down(wp);
                    786:                        screen_write_start(&ctx, wp, NULL);
                    787:                        window_choose_write_line(wp, &ctx, 0);
                    788:                        screen_write_stop(&ctx);
                    789:                } else
                    790:                        window_choose_scroll_down(wp);
1.1       nicm      791:                break;
1.85      nicm      792:        case KEYC_PPAGE:
1.1       nicm      793:                if (data->selected < screen_size_y(s)) {
                    794:                        data->selected = 0;
                    795:                        data->top = 0;
                    796:                } else {
                    797:                        data->selected -= screen_size_y(s);
                    798:                        if (data->top < screen_size_y(s))
                    799:                                data->top = 0;
                    800:                        else
                    801:                                data->top -= screen_size_y(s);
                    802:                }
1.13      nicm      803:                window_choose_redraw_screen(wp);
1.1       nicm      804:                break;
1.85      nicm      805:        case KEYC_NPAGE:
1.1       nicm      806:                data->selected += screen_size_y(s);
                    807:                if (data->selected > items - 1)
                    808:                        data->selected = items - 1;
                    809:                data->top += screen_size_y(s);
                    810:                if (screen_size_y(s) < items) {
                    811:                        if (data->top + screen_size_y(s) > items)
                    812:                                data->top = items - screen_size_y(s);
                    813:                } else
                    814:                        data->top = 0;
                    815:                if (data->selected < data->top)
                    816:                        data->top = data->selected;
                    817:                window_choose_redraw_screen(wp);
                    818:                break;
1.85      nicm      819:        case KEYC_BSPACE:
1.22      nicm      820:                input_len = strlen(data->input_str);
                    821:                if (input_len > 0)
                    822:                        data->input_str[input_len - 1] = '\0';
                    823:                window_choose_redraw_screen(wp);
                    824:                break;
1.85      nicm      825:        case '0'|KEYC_ESCAPE:
                    826:        case '1'|KEYC_ESCAPE:
                    827:        case '2'|KEYC_ESCAPE:
                    828:        case '3'|KEYC_ESCAPE:
                    829:        case '4'|KEYC_ESCAPE:
                    830:        case '5'|KEYC_ESCAPE:
                    831:        case '6'|KEYC_ESCAPE:
                    832:        case '7'|KEYC_ESCAPE:
                    833:        case '8'|KEYC_ESCAPE:
                    834:        case '9'|KEYC_ESCAPE:
1.25      nicm      835:                key &= KEYC_MASK_KEY;
                    836:                if (key < '0' || key > '9')
1.11      nicm      837:                        break;
1.25      nicm      838:                window_choose_prompt_input(WINDOW_CHOOSE_GOTO_ITEM,
                    839:                    "Goto Item", wp, key);
1.51      nicm      840:                break;
1.85      nicm      841:        case KEYC_HOME:
                    842:        case '<'|KEYC_ESCAPE:
1.51      nicm      843:                data->selected = 0;
                    844:                data->top = 0;
                    845:                window_choose_redraw_screen(wp);
                    846:                break;
1.85      nicm      847:        case 'R'|KEYC_ESCAPE:
1.51      nicm      848:                data->selected = data->top;
                    849:                window_choose_redraw_screen(wp);
                    850:                break;
1.85      nicm      851:        case 'r'|KEYC_ESCAPE:
1.51      nicm      852:                data->selected = data->top + screen_size_y(s) - 1;
                    853:                if (data->selected > items - 1)
                    854:                        data->selected = items - 1;
                    855:                window_choose_redraw_screen(wp);
                    856:                break;
1.85      nicm      857:        case KEYC_END:
                    858:        case '>'|KEYC_ESCAPE:
1.51      nicm      859:                data->selected = items - 1;
                    860:                if (screen_size_y(s) < items)
                    861:                        data->top = items - screen_size_y(s);
                    862:                else
                    863:                        data->top = 0;
                    864:                window_choose_redraw_screen(wp);
1.22      nicm      865:                break;
                    866:        default:
1.85      nicm      867:                idx = window_choose_index_key(wp, key);
1.75      nicm      868:                if (idx < 0 || (u_int) idx >= data->list_size)
1.25      nicm      869:                        break;
                    870:                data->selected = idx;
1.75      nicm      871:                window_choose_fire_callback(wp, data->list[idx].wcd);
1.1       nicm      872:                break;
                    873:        }
                    874: }
                    875:
1.79      nicm      876: static void
1.68      nicm      877: window_choose_write_line(struct window_pane *wp, struct screen_write_ctx *ctx,
                    878:     u_int py)
1.1       nicm      879: {
                    880:        struct window_choose_mode_data  *data = wp->modedata;
                    881:        struct window_choose_mode_item  *item;
1.67      nicm      882:        struct options                  *oo = wp->window->options;
1.1       nicm      883:        struct screen                   *s = &data->screen;
                    884:        struct grid_cell                 gc;
1.22      nicm      885:        size_t                           last, xoff = 0;
1.25      nicm      886:        char                             hdr[32], label[32];
1.69      nicm      887:        int                              key;
1.1       nicm      888:
1.3       nicm      889:        if (data->callbackfn == NULL)
1.1       nicm      890:                fatalx("called before callback assigned");
                    891:
1.22      nicm      892:        last = screen_size_y(s) - 1;
1.1       nicm      893:        memcpy(&gc, &grid_default_cell, sizeof gc);
1.83      nicm      894:        gc.flags |= GRID_FLAG_NOPALETTE;
1.22      nicm      895:        if (data->selected == data->top + py)
1.50      nicm      896:                style_apply(&gc, oo, "mode-style");
1.1       nicm      897:
                    898:        screen_write_cursormove(ctx, 0, py);
1.75      nicm      899:        if (data->top + py  < data->list_size) {
                    900:                item = &data->list[data->top + py];
1.24      nicm      901:                if (item->wcd->wl != NULL &&
                    902:                    item->wcd->wl->flags & WINLINK_ALERTFLAGS)
                    903:                        gc.attr |= GRID_ATTR_BRIGHT;
1.11      nicm      904:
1.85      nicm      905:                key = window_choose_key_index(wp, data->top + py);
1.25      nicm      906:                if (key != -1)
1.56      nicm      907:                        xsnprintf(label, sizeof label, "(%c)", key);
1.25      nicm      908:                else
1.56      nicm      909:                        xsnprintf(label, sizeof label, "(%d)", item->pos);
1.69      nicm      910:                screen_write_nputs(ctx, screen_size_x(s) - 1, &gc,
1.27      nicm      911:                    "%*s %s %s", data->width + 2, label,
                    912:                    /*
                    913:                     * Add indication to tree if necessary about whether it's
                    914:                     * expanded or not.
                    915:                     */
                    916:                    (item->wcd->type & TREE_SESSION) ?
1.87      nicm      917:                    ((item->state & TREE_EXPANDED) ? "-" : "+") : "", item->name);
1.1       nicm      918:        }
1.40      nicm      919:        while (s->cx < screen_size_x(s) - 1)
1.1       nicm      920:                screen_write_putc(ctx, &gc, ' ');
1.11      nicm      921:
1.22      nicm      922:        if (data->input_type != WINDOW_CHOOSE_NORMAL) {
1.50      nicm      923:                style_apply(&gc, oo, "mode-style");
1.11      nicm      924:
1.22      nicm      925:                xoff = xsnprintf(hdr, sizeof hdr,
                    926:                        "%s: %s", data->input_prompt, data->input_str);
                    927:                screen_write_cursormove(ctx, 0, last);
                    928:                screen_write_puts(ctx, &gc, "%s", hdr);
                    929:                screen_write_cursormove(ctx, xoff, py);
                    930:                memcpy(&gc, &grid_default_cell, sizeof gc);
1.11      nicm      931:        }
1.22      nicm      932:
1.11      nicm      933: }
                    934:
1.79      nicm      935: static int
1.85      nicm      936: window_choose_key_index(struct window_pane *wp, u_int idx)
1.25      nicm      937: {
1.85      nicm      938:        const char      *ptr;
                    939:        int              keys;
                    940:
                    941:        keys = options_get_number(wp->window->options, "mode-keys");
                    942:        if (keys == MODEKEY_VI)
                    943:                ptr = window_choose_keys_vi;
                    944:        else
                    945:                ptr = window_choose_keys_emacs;
                    946:        for (; *ptr != '\0'; ptr++) {
1.25      nicm      947:                if (idx-- == 0)
                    948:                        return (*ptr);
                    949:        }
                    950:        return (-1);
                    951: }
                    952:
1.79      nicm      953: static int
1.85      nicm      954: window_choose_index_key(struct window_pane *wp, key_code key)
1.11      nicm      955: {
1.85      nicm      956:        const char      *ptr;
                    957:        int              keys;
                    958:        u_int            idx = 0;
                    959:
                    960:        keys = options_get_number(wp->window->options, "mode-keys");
                    961:        if (keys == MODEKEY_VI)
                    962:                ptr = window_choose_keys_vi;
                    963:        else
                    964:                ptr = window_choose_keys_emacs;
                    965:        for (; *ptr != '\0'; ptr++) {
1.68      nicm      966:                if (key == (key_code)*ptr)
1.11      nicm      967:                        return (idx);
                    968:                idx++;
                    969:        }
                    970:        return (-1);
1.1       nicm      971: }
                    972:
1.79      nicm      973: static void
1.1       nicm      974: window_choose_redraw_screen(struct window_pane *wp)
                    975: {
                    976:        struct window_choose_mode_data  *data = wp->modedata;
                    977:        struct screen                   *s = &data->screen;
                    978:        struct screen_write_ctx          ctx;
                    979:        u_int                            i;
                    980:
                    981:        screen_write_start(&ctx, wp, NULL);
                    982:        for (i = 0; i < screen_size_y(s); i++)
                    983:                window_choose_write_line(wp, &ctx, i);
                    984:        screen_write_stop(&ctx);
                    985: }
                    986:
1.79      nicm      987: static void
1.1       nicm      988: window_choose_scroll_up(struct window_pane *wp)
                    989: {
                    990:        struct window_choose_mode_data  *data = wp->modedata;
                    991:        struct screen_write_ctx          ctx;
                    992:
                    993:        if (data->top == 0)
                    994:                return;
                    995:        data->top--;
                    996:
                    997:        screen_write_start(&ctx, wp, NULL);
                    998:        screen_write_cursormove(&ctx, 0, 0);
1.80      nicm      999:        screen_write_insertline(&ctx, 1, 8);
1.1       nicm     1000:        window_choose_write_line(wp, &ctx, 0);
                   1001:        if (screen_size_y(&data->screen) > 1)
                   1002:                window_choose_write_line(wp, &ctx, 1);
                   1003:        screen_write_stop(&ctx);
                   1004: }
                   1005:
1.79      nicm     1006: static void
1.1       nicm     1007: window_choose_scroll_down(struct window_pane *wp)
                   1008: {
                   1009:        struct window_choose_mode_data  *data = wp->modedata;
                   1010:        struct screen                   *s = &data->screen;
                   1011:        struct screen_write_ctx          ctx;
                   1012:
1.75      nicm     1013:        if (data->top >= data->list_size)
1.1       nicm     1014:                return;
                   1015:        data->top++;
                   1016:
                   1017:        screen_write_start(&ctx, wp, NULL);
                   1018:        screen_write_cursormove(&ctx, 0, 0);
1.80      nicm     1019:        screen_write_deleteline(&ctx, 1, 8);
1.1       nicm     1020:        window_choose_write_line(wp, &ctx, screen_size_y(s) - 1);
                   1021:        if (screen_size_y(&data->screen) > 1)
                   1022:                window_choose_write_line(wp, &ctx, screen_size_y(s) - 2);
                   1023:        screen_write_stop(&ctx);
1.19      nicm     1024: }
                   1025:
1.20      nicm     1026: struct window_choose_data *
1.35      nicm     1027: window_choose_add_session(struct window_pane *wp, struct client *c,
1.36      nicm     1028:     struct session *s, const char *template, const char *action, u_int idx)
1.20      nicm     1029: {
                   1030:        struct window_choose_data       *wcd;
                   1031:
1.33      nicm     1032:        wcd = window_choose_data_create(TREE_SESSION, c, c->session);
1.46      nicm     1033:        wcd->idx = s->id;
1.33      nicm     1034:
1.27      nicm     1035:        wcd->tree_session = s;
1.33      nicm     1036:        wcd->tree_session->references++;
                   1037:
1.20      nicm     1038:        wcd->ft_template = xstrdup(template);
                   1039:        format_add(wcd->ft, "line", "%u", idx);
1.59      nicm     1040:        format_defaults(wcd->ft, NULL, s, NULL, NULL);
1.20      nicm     1041:
1.33      nicm     1042:        wcd->command = cmd_template_replace(action, s->name, 1);
1.20      nicm     1043:
                   1044:        window_choose_add(wp, wcd);
                   1045:
                   1046:        return (wcd);
                   1047: }
                   1048:
                   1049: struct window_choose_data *
1.35      nicm     1050: window_choose_add_window(struct window_pane *wp, struct client *c,
1.22      nicm     1051:     struct session *s, struct winlink *wl, const char *template,
1.36      nicm     1052:     const char *action, u_int idx)
1.20      nicm     1053: {
                   1054:        struct window_choose_data       *wcd;
1.33      nicm     1055:        char                            *expanded;
1.20      nicm     1056:
1.33      nicm     1057:        wcd = window_choose_data_create(TREE_WINDOW, c, c->session);
                   1058:        wcd->idx = wl->idx;
1.20      nicm     1059:
1.33      nicm     1060:        wcd->wl = wl;
1.20      nicm     1061:
1.27      nicm     1062:        wcd->tree_session = s;
1.33      nicm     1063:        wcd->tree_session->references++;
                   1064:
1.20      nicm     1065:        wcd->ft_template = xstrdup(template);
                   1066:        format_add(wcd->ft, "line", "%u", idx);
1.59      nicm     1067:        format_defaults(wcd->ft, NULL, s, wl, NULL);
1.20      nicm     1068:
1.33      nicm     1069:        xasprintf(&expanded, "%s:%d", s->name, wl->idx);
                   1070:        wcd->command = cmd_template_replace(action, expanded, 1);
                   1071:        free(expanded);
1.20      nicm     1072:
                   1073:        window_choose_add(wp, wcd);
                   1074:
                   1075:        return (wcd);
1.1       nicm     1076: }