xref: /openbsd-src/usr.bin/tmux/cmd-choose-tree.c (revision 4c1e55dc91edd6e69ccc60ce855900fbc12cf34f)
1 /* $OpenBSD: cmd-choose-tree.c,v 1.5 2012/07/12 13:03:42 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
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 <ctype.h>
22 #include <stdlib.h>
23 
24 #include <string.h>
25 
26 #include "tmux.h"
27 
28 #define CMD_CHOOSE_TREE_WINDOW_ACTION "select-window -t '%%'"
29 #define CMD_CHOOSE_TREE_SESSION_ACTION "switch-client -t '%%'"
30 #define CMD_CHOOSE_TREE_WINDOW_TEMPLATE \
31     DEFAULT_WINDOW_TEMPLATE " \"#{pane_title}\""
32 
33 /*
34  * Enter choice mode to choose a session and/or window.
35  */
36 
37 int	cmd_choose_tree_exec(struct cmd *, struct cmd_ctx *);
38 
39 void	cmd_choose_tree_callback(struct window_choose_data *);
40 void	cmd_choose_tree_free(struct window_choose_data *);
41 
42 const struct cmd_entry cmd_choose_tree_entry = {
43 	"choose-tree", NULL,
44 	"S:W:swb:c:t:", 0, 1,
45 	"[-sw] [-b session-template] [-c window template] [-S format] " \
46 	"[-W format] " CMD_TARGET_WINDOW_USAGE,
47 	0,
48 	NULL,
49 	NULL,
50 	cmd_choose_tree_exec
51 };
52 
53 const struct cmd_entry cmd_choose_session_entry = {
54 	"choose-session", NULL,
55 	"F:t:", 0, 1,
56 	CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
57 	0,
58 	NULL,
59 	NULL,
60 	cmd_choose_tree_exec
61 };
62 
63 const struct cmd_entry cmd_choose_window_entry = {
64 	"choose-window", NULL,
65 	"F:t:", 0, 1,
66 	CMD_TARGET_WINDOW_USAGE "[-F format] [template]",
67 	0,
68 	NULL,
69 	NULL,
70 	cmd_choose_tree_exec
71 };
72 
73 enum cmd_retval
74 cmd_choose_tree_exec(struct cmd *self, struct cmd_ctx *ctx)
75 {
76 	struct args			*args = self->args;
77 	struct winlink			*wl, *wm;
78 	struct session			*s, *s2;
79 	struct window_choose_data	*wcd = NULL;
80 	const char			*ses_template, *win_template;
81 	char				*final_win_action, *final_win_template;
82 	const char			*ses_action, *win_action;
83 	u_int				 cur_win, idx_ses, win_ses;
84 	u_int				 wflag, sflag;
85 
86 	ses_template = win_template = NULL;
87 	ses_action = win_action = NULL;
88 
89 	if (ctx->curclient == NULL) {
90 		ctx->error(ctx, "must be run interactively");
91 		return (CMD_RETURN_ERROR);
92 	}
93 
94 	s = ctx->curclient->session;
95 
96 	if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
97 		return (CMD_RETURN_ERROR);
98 
99 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
100 		return (CMD_RETURN_NORMAL);
101 
102 	/* Sort out which command this is. */
103 	wflag = sflag = 0;
104 	if (self->entry == &cmd_choose_session_entry) {
105 		sflag = 1;
106 		if ((ses_template = args_get(args, 'F')) == NULL)
107 			ses_template = DEFAULT_SESSION_TEMPLATE;
108 
109 		if (args->argc != 0)
110 			ses_action = args->argv[0];
111 		else
112 			ses_action = CMD_CHOOSE_TREE_SESSION_ACTION;
113 	} else if (self->entry == &cmd_choose_window_entry) {
114 		wflag = 1;
115 		if ((win_template = args_get(args, 'F')) == NULL)
116 			win_template = CMD_CHOOSE_TREE_WINDOW_TEMPLATE;
117 
118 		if (args->argc != 0)
119 			win_action = args->argv[0];
120 		else
121 			win_action = CMD_CHOOSE_TREE_WINDOW_ACTION;
122 	} else {
123 		wflag = args_has(args, 'w');
124 		sflag = args_has(args, 's');
125 
126 		if ((ses_action = args_get(args, 'b')) == NULL)
127 			ses_action = CMD_CHOOSE_TREE_SESSION_ACTION;
128 
129 		if ((win_action = args_get(args, 'c')) == NULL)
130 			win_action = CMD_CHOOSE_TREE_WINDOW_ACTION;
131 
132 		if ((ses_template = args_get(args, 'S')) == NULL)
133 			ses_template = DEFAULT_SESSION_TEMPLATE;
134 
135 		if ((win_template = args_get(args, 'W')) == NULL)
136 			win_template = CMD_CHOOSE_TREE_WINDOW_TEMPLATE;
137 	}
138 
139 	/*
140 	 * If not asking for windows and sessions, assume no "-ws" given and
141 	 * hence display the entire tree outright.
142 	 */
143 	if (!wflag && !sflag)
144 		wflag = sflag = 1;
145 
146 	/*
147 	 * If we're drawing in tree mode, including sessions, then pad the
148 	 * window template, otherwise just render the windows as a flat list
149 	 * without any padding.
150 	 */
151 	if (wflag && sflag)
152 		xasprintf(&final_win_template, "    --> %s", win_template);
153 	else if (wflag)
154 		final_win_template = xstrdup(win_template);
155 	else
156 		final_win_template = NULL;
157 
158 	idx_ses = cur_win = -1;
159 	RB_FOREACH(s2, sessions, &sessions) {
160 		idx_ses++;
161 
162 		/*
163 		 * If we're just choosing windows, jump straight there. Note
164 		 * that this implies the current session, so only choose
165 		 * windows when the session matches this one.
166 		 */
167 		if (wflag && !sflag) {
168 			if (s != s2)
169 				continue;
170 			goto windows_only;
171 		}
172 
173 		wcd = window_choose_add_session(wl->window->active,
174 			ctx, s2, ses_template, (char *)ses_action, idx_ses);
175 
176 		/* If we're just choosing sessions, skip choosing windows. */
177 		if (sflag && !wflag) {
178 			if (s == s2)
179 				cur_win = idx_ses;
180 			continue;
181 		}
182 windows_only:
183 		win_ses = -1;
184 		RB_FOREACH(wm, winlinks, &s2->windows) {
185 			win_ses++;
186 			if (sflag && wflag)
187 				idx_ses++;
188 
189 			if (wm == s2->curw && s == s2) {
190 				if (wflag && !sflag) {
191 					/*
192 					 * Then we're only counting windows.
193 					 * So remember which is the current
194 					 * window in the list.
195 					 */
196 					cur_win = win_ses;
197 				} else
198 					cur_win = idx_ses;
199 			}
200 
201 			xasprintf(&final_win_action, "%s ; %s", win_action,
202 				wcd ? wcd->command : "");
203 
204 			window_choose_add_window(wl->window->active,
205 				ctx, s2, wm, final_win_template,
206 				final_win_action, idx_ses);
207 
208 			free(final_win_action);
209 		}
210 		/*
211 		 * If we're just drawing windows, don't consider moving on to
212 		 * other sessions as we only list windows in this session.
213 		 */
214 		if (wflag && !sflag)
215 			break;
216 	}
217 	free(final_win_template);
218 
219 	window_choose_ready(wl->window->active, cur_win,
220 		cmd_choose_tree_callback, cmd_choose_tree_free);
221 
222 	return (CMD_RETURN_NORMAL);
223 }
224 
225 void
226 cmd_choose_tree_callback(struct window_choose_data *cdata)
227 {
228 	if (cdata == NULL)
229 		return;
230 
231 	if (cdata->client->flags & CLIENT_DEAD)
232 		return;
233 
234 	window_choose_ctx(cdata);
235 }
236 
237 void
238 cmd_choose_tree_free(struct window_choose_data *cdata)
239 {
240 	cdata->session->references--;
241 	cdata->client->references--;
242 
243 	free(cdata->ft_template);
244 	free(cdata->command);
245 	format_free(cdata->ft);
246 	free(cdata);
247 
248 }
249