Fix cursor position after zero width space, GitHub issue 3469.
[tmux-openbsd.git] / cmd-refresh-client.c
blob6b947280aec906177ec10fab16481bd3bc4206bc
1 /* $OpenBSD$ */
3 /*
4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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.
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.
19 #include <sys/types.h>
21 #include <stdlib.h>
22 #include <string.h>
24 #include "tmux.h"
27 * Refresh client.
30 static enum cmd_retval cmd_refresh_client_exec(struct cmd *,
31 struct cmdq_item *);
33 const struct cmd_entry cmd_refresh_client_entry = {
34 .name = "refresh-client",
35 .alias = "refresh",
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]",
41 .flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
42 .exec = cmd_refresh_client_exec
45 static void
46 cmd_refresh_client_update_subscription(struct client *tc, const char *value)
48 char *copy, *split, *name, *what;
49 enum control_sub_type subtype;
50 int subid = -1;
52 copy = name = xstrdup(value);
53 if ((split = strchr(copy, ':')) == NULL) {
54 control_remove_sub(tc, copy);
55 goto out;
57 *split++ = '\0';
59 what = split;
60 if ((split = strchr(what, ':')) == NULL)
61 goto out;
62 *split++ = '\0';
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);
76 out:
77 free(copy);
80 static enum cmd_retval
81 cmd_refresh_client_control_client_size(struct cmd *self, struct cmdq_item *item)
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;
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);
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);
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);
113 return (CMD_RETURN_NORMAL);
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);
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);
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);
132 static void
133 cmd_refresh_client_update_offset(struct client *tc, const char *value)
135 struct window_pane *wp;
136 char *copy, *split;
137 u_int pane;
139 if (*value != '%')
140 return;
141 copy = xstrdup(value);
142 if ((split = strchr(copy, ':')) == NULL)
143 goto out;
144 *split++ = '\0';
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;
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);
161 out:
162 free(copy);
165 static enum cmd_retval
166 cmd_refresh_client_clipboard(struct cmd *self, struct cmdq_item *item)
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;
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;
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;
192 tty_clipboard_query(&tc->tty);
193 return (CMD_RETURN_NORMAL);
196 static enum cmd_retval
197 cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
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;
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'))
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);
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;
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;
253 tty_update_client_offset(tc);
254 server_redraw_client(tc);
255 return (CMD_RETURN_NORMAL);
258 if (args_has(args, 'l'))
259 return (cmd_refresh_client_clipboard(self, item));
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'));
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);
274 return (CMD_RETURN_NORMAL);
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);
284 return (CMD_RETURN_NORMAL);
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));
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);
299 return (CMD_RETURN_NORMAL);
301 not_control_client:
302 cmdq_error(item, "not a control client");
303 return (CMD_RETURN_ERROR);