Annotation of src/usr.bin/tmux/notify.c, Revision 1.31
1.31 ! nicm 1: /* $OpenBSD: notify.c,v 1.30 2020/04/13 07:25:33 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2012 George Nachman <tmux@georgester.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:
1.2 nicm 19: #include <sys/types.h>
20: #include <sys/queue.h>
21:
22: #include <stdlib.h>
1.18 nicm 23: #include <string.h>
1.2 nicm 24:
1.1 nicm 25: #include "tmux.h"
26:
1.2 nicm 27: struct notify_entry {
1.18 nicm 28: const char *name;
1.2 nicm 29:
30: struct client *client;
31: struct session *session;
32: struct window *window;
1.18 nicm 33: int pane;
34:
35: struct cmd_find_state fs;
1.2 nicm 36: };
37:
1.9 nicm 38: static void
1.27 nicm 39: notify_hook_formats(struct cmdq_item *item, struct session *s, struct window *w,
40: int pane)
1.11 nicm 41: {
1.27 nicm 42: if (s != NULL) {
43: cmdq_format(item, "hook_session", "$%u", s->id);
44: cmdq_format(item, "hook_session_name", "%s", s->name);
45: }
46: if (w != NULL) {
47: cmdq_format(item, "hook_window", "@%u", w->id);
48: cmdq_format(item, "hook_window_name", "%s", w->name);
49: }
50: if (pane != -1)
51: cmdq_format(item, "hook_pane", "%%%d", pane);
52: }
53:
54: static void
55: notify_insert_hook(struct cmdq_item *item, struct notify_entry *ne)
56: {
57: struct cmd_find_state fs;
58: struct options *oo;
59: struct cmdq_item *new_item;
60: struct session *s = ne->session;
61: struct window *w = ne->window;
62: struct options_entry *o;
63: struct options_array_item *a;
64: struct cmd_list *cmdlist;
65:
66: log_debug("%s: %s", __func__, ne->name);
1.11 nicm 67:
1.22 nicm 68: cmd_find_clear_state(&fs, 0);
1.18 nicm 69: if (cmd_find_empty_state(&ne->fs) || !cmd_find_valid_state(&ne->fs))
1.25 nicm 70: cmd_find_from_nothing(&fs, 0);
1.15 nicm 71: else
1.18 nicm 72: cmd_find_copy_state(&fs, &ne->fs);
1.11 nicm 73:
1.27 nicm 74: if (fs.s == NULL)
75: oo = global_s_options;
76: else
77: oo = fs.s->options;
78: o = options_get(oo, ne->name);
1.30 nicm 79: if (o == NULL && fs.wp != NULL) {
80: oo = fs.wp->options;
81: o = options_get(oo, ne->name);
82: }
83: if (o == NULL && fs.wl != NULL) {
84: oo = fs.wl->window->options;
85: o = options_get(oo, ne->name);
86: }
1.27 nicm 87: if (o == NULL)
1.11 nicm 88: return;
89:
1.27 nicm 90: a = options_array_first(o);
91: while (a != NULL) {
92: cmdlist = options_array_item_value(a)->cmdlist;
93: if (cmdlist == NULL) {
94: a = options_array_next(a);
95: continue;
96: }
97:
98: new_item = cmdq_get_command(cmdlist, &fs, NULL, CMDQ_NOHOOKS);
99: cmdq_format(new_item, "hook", "%s", ne->name);
100: notify_hook_formats(new_item, s, w, ne->pane);
1.29 nicm 101: item = cmdq_insert_after(item, new_item);
1.17 nicm 102:
1.27 nicm 103: a = options_array_next(a);
1.17 nicm 104: }
1.15 nicm 105: }
106:
107: static enum cmd_retval
108: notify_callback(struct cmdq_item *item, void *data)
109: {
110: struct notify_entry *ne = data;
1.20 nicm 111:
112: log_debug("%s: %s", __func__, ne->name);
1.15 nicm 113:
1.24 nicm 114: if (strcmp(ne->name, "pane-mode-changed") == 0)
115: control_notify_pane_mode_changed(ne->pane);
1.18 nicm 116: if (strcmp(ne->name, "window-layout-changed") == 0)
1.15 nicm 117: control_notify_window_layout_changed(ne->window);
1.24 nicm 118: if (strcmp(ne->name, "window-pane-changed") == 0)
119: control_notify_window_pane_changed(ne->window);
1.18 nicm 120: if (strcmp(ne->name, "window-unlinked") == 0)
1.15 nicm 121: control_notify_window_unlinked(ne->session, ne->window);
1.18 nicm 122: if (strcmp(ne->name, "window-linked") == 0)
1.15 nicm 123: control_notify_window_linked(ne->session, ne->window);
1.18 nicm 124: if (strcmp(ne->name, "window-renamed") == 0)
1.15 nicm 125: control_notify_window_renamed(ne->window);
1.18 nicm 126: if (strcmp(ne->name, "client-session-changed") == 0)
127: control_notify_client_session_changed(ne->client);
128: if (strcmp(ne->name, "session-renamed") == 0)
1.15 nicm 129: control_notify_session_renamed(ne->session);
1.18 nicm 130: if (strcmp(ne->name, "session-created") == 0)
1.15 nicm 131: control_notify_session_created(ne->session);
1.18 nicm 132: if (strcmp(ne->name, "session-closed") == 0)
1.15 nicm 133: control_notify_session_closed(ne->session);
1.24 nicm 134: if (strcmp(ne->name, "session-window-changed") == 0)
135: control_notify_session_window_changed(ne->session);
1.18 nicm 136:
1.27 nicm 137: notify_insert_hook(item, ne);
1.15 nicm 138:
139: if (ne->client != NULL)
140: server_client_unref(ne->client);
141: if (ne->session != NULL)
1.23 nicm 142: session_remove_ref(ne->session, __func__);
1.15 nicm 143: if (ne->window != NULL)
1.23 nicm 144: window_remove_ref(ne->window, __func__);
1.18 nicm 145:
146: if (ne->fs.s != NULL)
1.23 nicm 147: session_remove_ref(ne->fs.s, __func__);
1.18 nicm 148:
149: free((void *)ne->name);
1.15 nicm 150: free(ne);
151:
152: return (CMD_RETURN_NORMAL);
1.11 nicm 153: }
154:
155: static void
1.19 nicm 156: notify_add(const char *name, struct cmd_find_state *fs, struct client *c,
157: struct session *s, struct window *w, struct window_pane *wp)
1.2 nicm 158: {
159: struct notify_entry *ne;
1.15 nicm 160: struct cmdq_item *new_item;
1.2 nicm 161:
162: ne = xcalloc(1, sizeof *ne);
1.18 nicm 163: ne->name = xstrdup(name);
164:
1.2 nicm 165: ne->client = c;
166: ne->session = s;
167: ne->window = w;
168:
1.18 nicm 169: if (wp != NULL)
170: ne->pane = wp->id;
171: else
172: ne->pane = -1;
173:
1.2 nicm 174: if (c != NULL)
175: c->references++;
176: if (s != NULL)
1.23 nicm 177: session_add_ref(s, __func__);
1.2 nicm 178: if (w != NULL)
1.23 nicm 179: window_add_ref(w, __func__);
1.2 nicm 180:
1.19 nicm 181: cmd_find_copy_state(&ne->fs, fs);
1.23 nicm 182: if (ne->fs.s != NULL) /* cmd_find_valid_state needs session */
183: session_add_ref(ne->fs.s, __func__);
1.18 nicm 184:
1.15 nicm 185: new_item = cmdq_get_callback(notify_callback, ne);
186: cmdq_append(NULL, new_item);
1.26 nicm 187: }
188:
189: void
190: notify_hook(struct cmdq_item *item, const char *name)
191: {
1.31 ! nicm 192: struct cmd_find_state *target = cmdq_get_target(item);
! 193: struct notify_entry ne;
1.26 nicm 194:
195: memset(&ne, 0, sizeof ne);
196:
197: ne.name = name;
1.31 ! nicm 198: cmd_find_copy_state(&ne.fs, target);
1.26 nicm 199:
1.31 ! nicm 200: ne.client = cmdq_get_client(item);
! 201: ne.session = target->s;
! 202: ne.window = target->w;
! 203: ne.pane = target->wp->id;
1.26 nicm 204:
1.27 nicm 205: notify_insert_hook(item, &ne);
1.5 nicm 206: }
207:
208: void
1.28 nicm 209: notify_input(struct window_pane *wp, const u_char *buf, size_t len)
1.5 nicm 210: {
211: struct client *c;
212:
1.6 nicm 213: TAILQ_FOREACH(c, &clients, entry) {
214: if (c->flags & CLIENT_CONTROL)
1.28 nicm 215: control_notify_input(c, wp, buf, len);
1.2 nicm 216: }
217: }
218:
1.1 nicm 219: void
1.18 nicm 220: notify_client(const char *name, struct client *c)
1.1 nicm 221: {
1.19 nicm 222: struct cmd_find_state fs;
223:
1.25 nicm 224: cmd_find_from_client(&fs, c, 0);
1.19 nicm 225: notify_add(name, &fs, c, NULL, NULL, NULL);
1.1 nicm 226: }
227:
228: void
1.18 nicm 229: notify_session(const char *name, struct session *s)
1.1 nicm 230: {
1.19 nicm 231: struct cmd_find_state fs;
232:
233: if (session_alive(s))
1.25 nicm 234: cmd_find_from_session(&fs, s, 0);
1.19 nicm 235: else
1.25 nicm 236: cmd_find_from_nothing(&fs, 0);
1.19 nicm 237: notify_add(name, &fs, NULL, s, NULL, NULL);
238: }
239:
240: void
1.21 nicm 241: notify_winlink(const char *name, struct winlink *wl)
1.19 nicm 242: {
243: struct cmd_find_state fs;
244:
1.25 nicm 245: cmd_find_from_winlink(&fs, wl, 0);
1.21 nicm 246: notify_add(name, &fs, NULL, wl->session, wl->window, NULL);
1.1 nicm 247: }
248:
249: void
1.18 nicm 250: notify_session_window(const char *name, struct session *s, struct window *w)
1.1 nicm 251: {
1.19 nicm 252: struct cmd_find_state fs;
253:
1.25 nicm 254: cmd_find_from_session_window(&fs, s, w, 0);
1.19 nicm 255: notify_add(name, &fs, NULL, s, w, NULL);
1.1 nicm 256: }
257:
258: void
1.18 nicm 259: notify_window(const char *name, struct window *w)
1.1 nicm 260: {
1.19 nicm 261: struct cmd_find_state fs;
262:
1.25 nicm 263: cmd_find_from_window(&fs, w, 0);
1.19 nicm 264: notify_add(name, &fs, NULL, NULL, w, NULL);
1.1 nicm 265: }
266:
267: void
1.18 nicm 268: notify_pane(const char *name, struct window_pane *wp)
1.1 nicm 269: {
1.19 nicm 270: struct cmd_find_state fs;
271:
1.25 nicm 272: cmd_find_from_pane(&fs, wp, 0);
1.19 nicm 273: notify_add(name, &fs, NULL, NULL, NULL, wp);
1.1 nicm 274: }
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