xref: /minix/external/bsd/tmux/dist/cmd-choose-tree.c (revision 0a6a1f1d)
1 /* Id */
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 
31 /*
32  * Enter choice mode to choose a session and/or window.
33  */
34 
35 enum cmd_retval	cmd_choose_tree_exec(struct cmd *, struct cmd_q *);
36 
37 const struct cmd_entry cmd_choose_tree_entry = {
38 	"choose-tree", NULL,
39 	"S:W:swub:c:t:", 0, 1,
40 	"[-suw] [-b session-template] [-c window template] [-S format] " \
41 	"[-W format] " CMD_TARGET_WINDOW_USAGE,
42 	0,
43 	NULL,
44 	cmd_choose_tree_exec
45 };
46 
47 const struct cmd_entry cmd_choose_session_entry = {
48 	"choose-session", NULL,
49 	"F:t:", 0, 1,
50 	CMD_TARGET_WINDOW_USAGE " [-F format] [template]",
51 	0,
52 	NULL,
53 	cmd_choose_tree_exec
54 };
55 
56 const struct cmd_entry cmd_choose_window_entry = {
57 	"choose-window", NULL,
58 	"F:t:", 0, 1,
59 	CMD_TARGET_WINDOW_USAGE "[-F format] [template]",
60 	0,
61 	NULL,
62 	cmd_choose_tree_exec
63 };
64 
65 enum cmd_retval
cmd_choose_tree_exec(struct cmd * self,struct cmd_q * cmdq)66 cmd_choose_tree_exec(struct cmd *self, struct cmd_q *cmdq)
67 {
68 	struct args			*args = self->args;
69 	struct winlink			*wl, *wm;
70 	struct session			*s, *s2;
71 	struct client			*c;
72 	struct window_choose_data	*wcd = NULL;
73 	const char			*ses_template, *win_template;
74 	char				*final_win_action, *cur_win_template;
75 	char				*final_win_template_middle;
76 	char				*final_win_template_last;
77 	const char			*ses_action, *win_action;
78 	u_int				 cur_win, idx_ses, win_ses, win_max;
79 	u_int				 wflag, sflag;
80 
81 	ses_template = win_template = NULL;
82 	ses_action = win_action = NULL;
83 
84 	if ((c = cmd_current_client(cmdq)) == NULL) {
85 		cmdq_error(cmdq, "no client available");
86 		return (CMD_RETURN_ERROR);
87 	}
88 
89 	if ((wl = cmd_find_window(cmdq, args_get(args, 't'), &s)) == NULL)
90 		return (CMD_RETURN_ERROR);
91 
92 	if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
93 		return (CMD_RETURN_NORMAL);
94 
95 	/* Sort out which command this is. */
96 	wflag = sflag = 0;
97 	if (self->entry == &cmd_choose_session_entry) {
98 		sflag = 1;
99 		if ((ses_template = args_get(args, 'F')) == NULL)
100 			ses_template = CHOOSE_TREE_SESSION_TEMPLATE;
101 
102 		if (args->argc != 0)
103 			ses_action = args->argv[0];
104 		else
105 			ses_action = CMD_CHOOSE_TREE_SESSION_ACTION;
106 	} else if (self->entry == &cmd_choose_window_entry) {
107 		wflag = 1;
108 		if ((win_template = args_get(args, 'F')) == NULL)
109 			win_template = CHOOSE_TREE_WINDOW_TEMPLATE;
110 
111 		if (args->argc != 0)
112 			win_action = args->argv[0];
113 		else
114 			win_action = CMD_CHOOSE_TREE_WINDOW_ACTION;
115 	} else {
116 		wflag = args_has(args, 'w');
117 		sflag = args_has(args, 's');
118 
119 		if ((ses_action = args_get(args, 'b')) == NULL)
120 			ses_action = CMD_CHOOSE_TREE_SESSION_ACTION;
121 
122 		if ((win_action = args_get(args, 'c')) == NULL)
123 			win_action = CMD_CHOOSE_TREE_WINDOW_ACTION;
124 
125 		if ((ses_template = args_get(args, 'S')) == NULL)
126 			ses_template = CHOOSE_TREE_SESSION_TEMPLATE;
127 
128 		if ((win_template = args_get(args, 'W')) == NULL)
129 			win_template = CHOOSE_TREE_WINDOW_TEMPLATE;
130 	}
131 
132 	/*
133 	 * If not asking for windows and sessions, assume no "-ws" given and
134 	 * hence display the entire tree outright.
135 	 */
136 	if (!wflag && !sflag)
137 		wflag = sflag = 1;
138 
139 	/*
140 	 * If we're drawing in tree mode, including sessions, then pad the
141 	 * window template, otherwise just render the windows as a flat list
142 	 * without any padding.
143 	 */
144 	if (wflag && sflag) {
145 		xasprintf(&final_win_template_middle,
146 		    " \001tq\001> %s", win_template);
147 		xasprintf(&final_win_template_last,
148 		    " \001mq\001> %s", win_template);
149 	} else if (wflag) {
150 		final_win_template_middle = xstrdup(win_template);
151 		final_win_template_last = xstrdup(win_template);
152 	} else
153 		final_win_template_middle = final_win_template_last = NULL;
154 
155 	idx_ses = cur_win = -1;
156 	RB_FOREACH(s2, sessions, &sessions) {
157 		idx_ses++;
158 
159 		/*
160 		 * If we're just choosing windows, jump straight there. Note
161 		 * that this implies the current session, so only choose
162 		 * windows when the session matches this one.
163 		 */
164 		if (wflag && !sflag) {
165 			if (s != s2)
166 				continue;
167 			goto windows_only;
168 		}
169 
170 		wcd = window_choose_add_session(wl->window->active,
171 		    c, s2, ses_template, ses_action, idx_ses);
172 
173 		/* If we're just choosing sessions, skip choosing windows. */
174 		if (sflag && !wflag) {
175 			if (s == s2)
176 				cur_win = idx_ses;
177 			continue;
178 		}
179 windows_only:
180 		win_ses = win_max = -1;
181 		RB_FOREACH(wm, winlinks, &s2->windows)
182 			win_max++;
183 		RB_FOREACH(wm, winlinks, &s2->windows) {
184 			win_ses++;
185 			if (sflag && wflag)
186 				idx_ses++;
187 
188 			if (wm == s2->curw && s == s2) {
189 				if (wflag && !sflag) {
190 					/*
191 					 * Then we're only counting windows.
192 					 * So remember which is the current
193 					 * window in the list.
194 					 */
195 					cur_win = win_ses;
196 				} else
197 					cur_win = idx_ses;
198 			}
199 
200 			xasprintf(&final_win_action, "%s %s %s",
201 			    wcd != NULL ? wcd->command : "",
202 			    wcd != NULL ? ";" : "", win_action);
203 
204 			if (win_ses != win_max)
205 				cur_win_template = final_win_template_middle;
206 			else
207 				cur_win_template = final_win_template_last;
208 
209 			window_choose_add_window(wl->window->active,
210 			    c, s2, wm, cur_win_template,
211 			    final_win_action,
212 			    (wflag && !sflag) ? win_ses : idx_ses);
213 
214 			free(final_win_action);
215 		}
216 
217 		/*
218 		 * If we're just drawing windows, don't consider moving on to
219 		 * other sessions as we only list windows in this session.
220 		 */
221 		if (wflag && !sflag)
222 			break;
223 	}
224 	free(final_win_template_middle);
225 	free(final_win_template_last);
226 
227 	window_choose_ready(wl->window->active, cur_win, NULL);
228 
229 	if (args_has(args, 'u')) {
230 		window_choose_expand_all(wl->window->active);
231 		window_choose_set_current(wl->window->active, cur_win);
232 	}
233 
234 	return (CMD_RETURN_NORMAL);
235 }
236