1 /* $OpenBSD: cmd-refresh-client.c,v 1.48 2022/05/30 12:55:25 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:l::LRSt:U", 0, 1, NULL }, 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 enum cmd_retval 81 cmd_refresh_client_control_client_size(struct cmd *self, struct cmdq_item *item) 82 { 83 struct args *args = cmd_get_args(self); 84 struct client *tc = cmdq_get_target_client(item); 85 const char *size = args_get(args, 'C'); 86 u_int w, x, y; 87 struct client_window *cw; 88 89 if (sscanf(size, "@%u:%ux%u", &w, &x, &y) == 3) { 90 if (x < WINDOW_MINIMUM || x > WINDOW_MAXIMUM || 91 y < WINDOW_MINIMUM || y > WINDOW_MAXIMUM) { 92 cmdq_error(item, "size too small or too big"); 93 return (CMD_RETURN_ERROR); 94 } 95 log_debug("%s: client %s window @%u: size %ux%u", __func__, 96 tc->name, w, x, y); 97 cw = server_client_add_client_window(tc, w); 98 cw->sx = x; 99 cw->sy = y; 100 tc->flags |= CLIENT_WINDOWSIZECHANGED; 101 recalculate_sizes_now(1); 102 return (CMD_RETURN_NORMAL); 103 } 104 if (sscanf(size, "@%u:", &w) == 1) { 105 cw = server_client_get_client_window(tc, w); 106 if (cw != NULL) { 107 log_debug("%s: client %s window @%u: no size", __func__, 108 tc->name, w); 109 cw->sx = 0; 110 cw->sy = 0; 111 recalculate_sizes_now(1); 112 } 113 return (CMD_RETURN_NORMAL); 114 } 115 116 if (sscanf(size, "%u,%u", &x, &y) != 2 && 117 sscanf(size, "%ux%u", &x, &y) != 2) { 118 cmdq_error(item, "bad size argument"); 119 return (CMD_RETURN_ERROR); 120 } 121 if (x < WINDOW_MINIMUM || x > WINDOW_MAXIMUM || 122 y < WINDOW_MINIMUM || y > WINDOW_MAXIMUM) { 123 cmdq_error(item, "size too small or too big"); 124 return (CMD_RETURN_ERROR); 125 } 126 tty_set_size(&tc->tty, x, y, 0, 0); 127 tc->flags |= CLIENT_SIZECHANGED; 128 recalculate_sizes_now(1); 129 return (CMD_RETURN_NORMAL); 130 } 131 132 static void 133 cmd_refresh_client_update_offset(struct client *tc, const char *value) 134 { 135 struct window_pane *wp; 136 char *copy, *split; 137 u_int pane; 138 139 if (*value != '%') 140 return; 141 copy = xstrdup(value); 142 if ((split = strchr(copy, ':')) == NULL) 143 goto out; 144 *split++ = '\0'; 145 146 if (sscanf(copy, "%%%u", &pane) != 1) 147 goto out; 148 wp = window_pane_find_by_id(pane); 149 if (wp == NULL) 150 goto out; 151 152 if (strcmp(split, "on") == 0) 153 control_set_pane_on(tc, wp); 154 else if (strcmp(split, "off") == 0) 155 control_set_pane_off(tc, wp); 156 else if (strcmp(split, "continue") == 0) 157 control_continue_pane(tc, wp); 158 else if (strcmp(split, "pause") == 0) 159 control_pause_pane(tc, wp); 160 161 out: 162 free(copy); 163 } 164 165 static enum cmd_retval 166 cmd_refresh_client_clipboard(struct cmd *self, struct cmdq_item *item) 167 { 168 struct args *args = cmd_get_args(self); 169 struct client *tc = cmdq_get_target_client(item); 170 const char *p; 171 u_int i; 172 struct cmd_find_state fs; 173 174 p = args_get(args, 'l'); 175 if (p == NULL) { 176 if (tc->flags & CLIENT_CLIPBOARDBUFFER) 177 return (CMD_RETURN_NORMAL); 178 tc->flags |= CLIENT_CLIPBOARDBUFFER; 179 } else { 180 if (cmd_find_target(&fs, item, p, CMD_FIND_PANE, 0) != 0) 181 return (CMD_RETURN_ERROR); 182 for (i = 0; i < tc->clipboard_npanes; i++) { 183 if (tc->clipboard_panes[i] == fs.wp->id) 184 break; 185 } 186 if (i != tc->clipboard_npanes) 187 return (CMD_RETURN_NORMAL); 188 tc->clipboard_panes = xreallocarray(tc->clipboard_panes, 189 tc->clipboard_npanes + 1, sizeof *tc->clipboard_panes); 190 tc->clipboard_panes[tc->clipboard_npanes++] = fs.wp->id; 191 } 192 tty_clipboard_query(&tc->tty); 193 return (CMD_RETURN_NORMAL); 194 } 195 196 static enum cmd_retval 197 cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item) 198 { 199 struct args *args = cmd_get_args(self); 200 struct client *tc = cmdq_get_target_client(item); 201 struct tty *tty = &tc->tty; 202 struct window *w; 203 const char *errstr; 204 u_int adjust; 205 struct args_value *av; 206 207 if (args_has(args, 'c') || 208 args_has(args, 'L') || 209 args_has(args, 'R') || 210 args_has(args, 'U') || 211 args_has(args, 'D')) 212 { 213 if (args_count(args) == 0) 214 adjust = 1; 215 else { 216 adjust = strtonum(args_string(args, 0), 1, INT_MAX, 217 &errstr); 218 if (errstr != NULL) { 219 cmdq_error(item, "adjustment %s", errstr); 220 return (CMD_RETURN_ERROR); 221 } 222 } 223 224 if (args_has(args, 'c')) 225 tc->pan_window = NULL; 226 else { 227 w = tc->session->curw->window; 228 if (tc->pan_window != w) { 229 tc->pan_window = w; 230 tc->pan_ox = tty->oox; 231 tc->pan_oy = tty->ooy; 232 } 233 if (args_has(args, 'L')) { 234 if (tc->pan_ox > adjust) 235 tc->pan_ox -= adjust; 236 else 237 tc->pan_ox = 0; 238 } else if (args_has(args, 'R')) { 239 tc->pan_ox += adjust; 240 if (tc->pan_ox > w->sx - tty->osx) 241 tc->pan_ox = w->sx - tty->osx; 242 } else if (args_has(args, 'U')) { 243 if (tc->pan_oy > adjust) 244 tc->pan_oy -= adjust; 245 else 246 tc->pan_oy = 0; 247 } else if (args_has(args, 'D')) { 248 tc->pan_oy += adjust; 249 if (tc->pan_oy > w->sy - tty->osy) 250 tc->pan_oy = w->sy - tty->osy; 251 } 252 } 253 tty_update_client_offset(tc); 254 server_redraw_client(tc); 255 return (CMD_RETURN_NORMAL); 256 } 257 258 if (args_has(args, 'l')) 259 return (cmd_refresh_client_clipboard(self, item)); 260 261 if (args_has(args, 'F')) /* -F is an alias for -f */ 262 server_client_set_flags(tc, args_get(args, 'F')); 263 if (args_has(args, 'f')) 264 server_client_set_flags(tc, args_get(args, 'f')); 265 266 if (args_has(args, 'A')) { 267 if (~tc->flags & CLIENT_CONTROL) 268 goto not_control_client; 269 av = args_first_value(args, 'A'); 270 while (av != NULL) { 271 cmd_refresh_client_update_offset(tc, av->string); 272 av = args_next_value(av); 273 } 274 return (CMD_RETURN_NORMAL); 275 } 276 if (args_has(args, 'B')) { 277 if (~tc->flags & CLIENT_CONTROL) 278 goto not_control_client; 279 av = args_first_value(args, 'B'); 280 while (av != NULL) { 281 cmd_refresh_client_update_subscription(tc, av->string); 282 av = args_next_value(av); 283 } 284 return (CMD_RETURN_NORMAL); 285 } 286 if (args_has(args, 'C')) { 287 if (~tc->flags & CLIENT_CONTROL) 288 goto not_control_client; 289 return (cmd_refresh_client_control_client_size(self, item)); 290 } 291 292 if (args_has(args, 'S')) { 293 tc->flags |= CLIENT_STATUSFORCE; 294 server_status_client(tc); 295 } else { 296 tc->flags |= CLIENT_STATUSFORCE; 297 server_redraw_client(tc); 298 } 299 return (CMD_RETURN_NORMAL); 300 301 not_control_client: 302 cmdq_error(item, "not a control client"); 303 return (CMD_RETURN_ERROR); 304 } 305