1 /* $OpenBSD: cmd-refresh-client.c,v 1.39 2020/07/06 09:14:20 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <stdlib.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * Refresh client. 28 */ 29 30 static enum cmd_retval cmd_refresh_client_exec(struct cmd *, 31 struct cmdq_item *); 32 33 const struct cmd_entry cmd_refresh_client_entry = { 34 .name = "refresh-client", 35 .alias = "refresh", 36 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]", 40 41 .flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG, 42 .exec = cmd_refresh_client_exec 43 }; 44 45 static void 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 81 cmd_refresh_client_update_offset(struct client *tc, const char *value) 82 { 83 struct window_pane *wp; 84 char *copy, *split; 85 u_int pane; 86 87 if (*value != '%') 88 return; 89 copy = xstrdup(value); 90 if ((split = strchr(copy, ':')) == NULL) 91 goto out; 92 *split++ = '\0'; 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; 99 100 if (strcmp(split, "on") == 0) 101 control_set_pane_on(tc, wp); 102 else if (strcmp(split, "off") == 0) 103 control_set_pane_off(tc, wp); 104 else if (strcmp(split, "continue") == 0) 105 control_continue_pane(tc, wp); 106 else if (strcmp(split, "pause") == 0) 107 control_pause_pane(tc, wp); 108 109 out: 110 free(copy); 111 } 112 113 static enum cmd_retval 114 cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item) 115 { 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; 123 124 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')) 141 tc->pan_window = NULL; 142 else { 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; 148 } 149 if (args_has(args, 'L')) { 150 if (tc->pan_ox > adjust) 151 tc->pan_ox -= adjust; 152 else 153 tc->pan_ox = 0; 154 } else if (args_has(args, 'R')) { 155 tc->pan_ox += adjust; 156 if (tc->pan_ox > w->sx - tty->osx) 157 tc->pan_ox = w->sx - tty->osx; 158 } else if (args_has(args, 'U')) { 159 if (tc->pan_oy > adjust) 160 tc->pan_oy -= adjust; 161 else 162 tc->pan_oy = 0; 163 } else if (args_has(args, 'D')) { 164 tc->pan_oy += adjust; 165 if (tc->pan_oy > w->sy - tty->osy) 166 tc->pan_oy = w->sy - tty->osy; 167 } 168 } 169 tty_update_client_offset(tc); 170 server_redraw_client(tc); 171 return (CMD_RETURN_NORMAL); 172 } 173 174 if (args_has(args, 'l')) { 175 tty_putcode_ptr2(&tc->tty, TTYC_MS, "", "?"); 176 return (CMD_RETURN_NORMAL); 177 } 178 179 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')); 183 184 if (args_has(args, 'A')) { 185 if (~tc->flags & CLIENT_CONTROL) 186 goto not_control_client; 187 value = args_first_value(args, 'A', &av); 188 while (value != NULL) { 189 cmd_refresh_client_update_offset(tc, value); 190 value = args_next_value(&av); 191 } 192 return (CMD_RETURN_NORMAL); 193 } 194 if (args_has(args, 'B')) { 195 if (~tc->flags & CLIENT_CONTROL) 196 goto not_control_client; 197 value = args_first_value(args, 'B', &av); 198 while (value != NULL) { 199 cmd_refresh_client_update_subscription(tc, value); 200 value = args_next_value(&av); 201 } 202 return (CMD_RETURN_NORMAL); 203 } 204 if (args_has(args, 'C')) { 205 if (~tc->flags & CLIENT_CONTROL) 206 goto not_control_client; 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); 217 } 218 tty_set_size(&tc->tty, x, y, 0, 0); 219 tc->flags |= CLIENT_SIZECHANGED; 220 recalculate_sizes_now(1); 221 return (CMD_RETURN_NORMAL); 222 } 223 224 if (args_has(args, 'S')) { 225 tc->flags |= CLIENT_STATUSFORCE; 226 server_status_client(tc); 227 } else { 228 tc->flags |= CLIENT_STATUSFORCE; 229 server_redraw_client(tc); 230 } 231 return (CMD_RETURN_NORMAL); 232 233 not_control_client: 234 cmdq_error(item, "not a control client"); 235 return (CMD_RETURN_ERROR); 236 } 237