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Annotation of src/usr.bin/tmux/cmd-refresh-client.c, Revision 1.40

1.40    ! nicm        1: /* $OpenBSD: cmd-refresh-client.c,v 1.39 2020/07/06 09:14:20 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.19      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:
1.28      nicm       21: #include <stdlib.h>
1.29      nicm       22: #include <string.h>
1.28      nicm       23:
1.1       nicm       24: #include "tmux.h"
                     25:
                     26: /*
                     27:  * Refresh client.
                     28:  */
                     29:
1.23      nicm       30: static enum cmd_retval cmd_refresh_client_exec(struct cmd *,
                     31:                            struct cmdq_item *);
1.1       nicm       32:
                     33: const struct cmd_entry cmd_refresh_client_entry = {
1.17      nicm       34:        .name = "refresh-client",
                     35:        .alias = "refresh",
                     36:
1.39      nicm       37:        .args = { "A:B:cC:Df:F:lLRSt:U", 0, 1 },
                     38:        .usage = "[-cDlLRSU] [-A pane:state] [-B name:what:format] "
                     39:                 "[-C XxY] [-f flags] " CMD_TARGET_CLIENT_USAGE " [adjustment]",
1.17      nicm       40:
1.32      nicm       41:        .flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
1.17      nicm       42:        .exec = cmd_refresh_client_exec
1.1       nicm       43: };
                     44:
1.35      nicm       45: static void
1.39      nicm       46: cmd_refresh_client_update_subscription(struct client *tc, const char *value)
                     47: {
                     48:        char                    *copy, *split, *name, *what;
                     49:        enum control_sub_type    subtype;
                     50:        int                      subid = -1;
                     51:
                     52:        copy = name = xstrdup(value);
                     53:        if ((split = strchr(copy, ':')) == NULL) {
                     54:                control_remove_sub(tc, copy);
                     55:                goto out;
                     56:        }
                     57:        *split++ = '\0';
                     58:
                     59:        what = split;
                     60:        if ((split = strchr(what, ':')) == NULL)
                     61:                goto out;
                     62:        *split++ = '\0';
                     63:
                     64:        if (strcmp(what, "%*") == 0)
                     65:                subtype = CONTROL_SUB_ALL_PANES;
                     66:        else if (sscanf(what, "%%%d", &subid) == 1 && subid >= 0)
                     67:                subtype = CONTROL_SUB_PANE;
                     68:        else if (strcmp(what, "@*") == 0)
                     69:                subtype = CONTROL_SUB_ALL_WINDOWS;
                     70:        else if (sscanf(what, "@%d", &subid) == 1 && subid >= 0)
                     71:                subtype = CONTROL_SUB_WINDOW;
                     72:        else
                     73:                subtype = CONTROL_SUB_SESSION;
                     74:        control_add_sub(tc, name, subtype, subid, split);
                     75:
                     76: out:
                     77:        free(copy);
                     78: }
                     79:
                     80: static void
1.35      nicm       81: cmd_refresh_client_update_offset(struct client *tc, const char *value)
                     82: {
                     83:        struct window_pane      *wp;
1.39      nicm       84:        char                    *copy, *split;
1.35      nicm       85:        u_int                    pane;
                     86:
                     87:        if (*value != '%')
                     88:                return;
                     89:        copy = xstrdup(value);
1.39      nicm       90:        if ((split = strchr(copy, ':')) == NULL)
1.35      nicm       91:                goto out;
1.39      nicm       92:        *split++ = '\0';
1.35      nicm       93:
                     94:        if (sscanf(copy, "%%%u", &pane) != 1)
                     95:                goto out;
                     96:        wp = window_pane_find_by_id(pane);
                     97:        if (wp == NULL)
                     98:                goto out;
                     99:
1.39      nicm      100:        if (strcmp(split, "on") == 0)
1.36      nicm      101:                control_set_pane_on(tc, wp);
1.39      nicm      102:        else if (strcmp(split, "off") == 0)
1.36      nicm      103:                control_set_pane_off(tc, wp);
1.39      nicm      104:        else if (strcmp(split, "continue") == 0)
1.37      nicm      105:                control_continue_pane(tc, wp);
1.39      nicm      106:        else if (strcmp(split, "pause") == 0)
1.38      nicm      107:                control_pause_pane(tc, wp);
1.35      nicm      108:
                    109: out:
                    110:        free(copy);
                    111: }
                    112:
1.20      nicm      113: static enum cmd_retval
1.22      nicm      114: cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm      115: {
1.35      nicm      116:        struct args             *args = cmd_get_args(self);
                    117:        struct client           *tc = cmdq_get_target_client(item);
                    118:        struct tty              *tty = &tc->tty;
                    119:        struct window           *w;
                    120:        const char              *size, *errstr, *value;
                    121:        u_int                    x, y, adjust;
                    122:        struct args_value       *av;
1.24      nicm      123:
1.28      nicm      124:        if (args_has(args, 'c') ||
                    125:            args_has(args, 'L') ||
                    126:            args_has(args, 'R') ||
                    127:            args_has(args, 'U') ||
                    128:            args_has(args, 'D'))
                    129:        {
                    130:                if (args->argc == 0)
                    131:                        adjust = 1;
                    132:                else {
                    133:                        adjust = strtonum(args->argv[0], 1, INT_MAX, &errstr);
                    134:                        if (errstr != NULL) {
                    135:                                cmdq_error(item, "adjustment %s", errstr);
                    136:                                return (CMD_RETURN_ERROR);
                    137:                        }
                    138:                }
                    139:
                    140:                if (args_has(args, 'c'))
1.32      nicm      141:                        tc->pan_window = NULL;
1.28      nicm      142:                else {
1.32      nicm      143:                        w = tc->session->curw->window;
                    144:                        if (tc->pan_window != w) {
                    145:                                tc->pan_window = w;
                    146:                                tc->pan_ox = tty->oox;
                    147:                                tc->pan_oy = tty->ooy;
1.28      nicm      148:                        }
                    149:                        if (args_has(args, 'L')) {
1.32      nicm      150:                                if (tc->pan_ox > adjust)
                    151:                                        tc->pan_ox -= adjust;
1.28      nicm      152:                                else
1.32      nicm      153:                                        tc->pan_ox = 0;
1.28      nicm      154:                        } else if (args_has(args, 'R')) {
1.32      nicm      155:                                tc->pan_ox += adjust;
                    156:                                if (tc->pan_ox > w->sx - tty->osx)
                    157:                                        tc->pan_ox = w->sx - tty->osx;
1.28      nicm      158:                        } else if (args_has(args, 'U')) {
1.32      nicm      159:                                if (tc->pan_oy > adjust)
                    160:                                        tc->pan_oy -= adjust;
1.28      nicm      161:                                else
1.32      nicm      162:                                        tc->pan_oy = 0;
1.28      nicm      163:                        } else if (args_has(args, 'D')) {
1.32      nicm      164:                                tc->pan_oy += adjust;
                    165:                                if (tc->pan_oy > w->sy - tty->osy)
                    166:                                        tc->pan_oy = w->sy - tty->osy;
1.28      nicm      167:                        }
                    168:                }
1.32      nicm      169:                tty_update_client_offset(tc);
                    170:                server_redraw_client(tc);
1.28      nicm      171:                return (CMD_RETURN_NORMAL);
                    172:        }
1.1       nicm      173:
1.27      nicm      174:        if (args_has(args, 'l')) {
1.32      nicm      175:                tty_putcode_ptr2(&tc->tty, TTYC_MS, "", "?");
1.29      nicm      176:                return (CMD_RETURN_NORMAL);
                    177:        }
                    178:
1.33      nicm      179:        if (args_has(args, 'F')) /* -F is an alias for -f */
                    180:                server_client_set_flags(tc, args_get(args, 'F'));
                    181:        if (args_has(args, 'f'))
                    182:                server_client_set_flags(tc, args_get(args, 'f'));
                    183:
1.35      nicm      184:        if (args_has(args, 'A')) {
                    185:                if (~tc->flags & CLIENT_CONTROL)
                    186:                        goto not_control_client;
1.40    ! nicm      187:                av = args_first_value(args, 'A');
        !           188:                while (av != NULL) {
        !           189:                        cmd_refresh_client_update_offset(tc, av->value);
        !           190:                        av = args_next_value(&av);
1.39      nicm      191:                }
                    192:                return (CMD_RETURN_NORMAL);
                    193:        }
                    194:        if (args_has(args, 'B')) {
                    195:                if (~tc->flags & CLIENT_CONTROL)
                    196:                        goto not_control_client;
1.40    ! nicm      197:                av = args_first_value(args, 'B');
        !           198:                while (av != NULL) {
        !           199:                        cmd_refresh_client_update_subscription(tc, av);
        !           200:                        av = args_next_value(av);
1.35      nicm      201:                }
                    202:                return (CMD_RETURN_NORMAL);
                    203:        }
1.33      nicm      204:        if (args_has(args, 'C')) {
1.35      nicm      205:                if (~tc->flags & CLIENT_CONTROL)
                    206:                        goto not_control_client;
1.34      nicm      207:                size = args_get(args, 'C');
                    208:                if (sscanf(size, "%u,%u", &x, &y) != 2 &&
                    209:                    sscanf(size, "%ux%u", &x, &y) != 2) {
                    210:                        cmdq_error(item, "bad size argument");
                    211:                        return (CMD_RETURN_ERROR);
                    212:                }
                    213:                if (x < WINDOW_MINIMUM || x > WINDOW_MAXIMUM ||
                    214:                    y < WINDOW_MINIMUM || y > WINDOW_MAXIMUM) {
                    215:                        cmdq_error(item, "size too small or too big");
                    216:                        return (CMD_RETURN_ERROR);
1.8       nicm      217:                }
1.34      nicm      218:                tty_set_size(&tc->tty, x, y, 0, 0);
                    219:                tc->flags |= CLIENT_SIZECHANGED;
1.37      nicm      220:                recalculate_sizes_now(1);
1.28      nicm      221:                return (CMD_RETURN_NORMAL);
                    222:        }
                    223:
                    224:        if (args_has(args, 'S')) {
1.32      nicm      225:                tc->flags |= CLIENT_STATUSFORCE;
                    226:                server_status_client(tc);
1.15      nicm      227:        } else {
1.32      nicm      228:                tc->flags |= CLIENT_STATUSFORCE;
                    229:                server_redraw_client(tc);
1.15      nicm      230:        }
1.7       nicm      231:        return (CMD_RETURN_NORMAL);
1.35      nicm      232:
                    233: not_control_client:
                    234:        cmdq_error(item, "not a control client");
                    235:        return (CMD_RETURN_ERROR);
1.1       nicm      236: }