xref: /openbsd-src/usr.bin/tmux/cmd-select-pane.c (revision 24bb5fcea3ed904bc467217bdaadb5dfc618d5bf)
1 /* $OpenBSD: cmd-select-pane.c,v 1.66 2021/03/11 06:31:05 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2009 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  * Select pane.
28  */
29 
30 static enum cmd_retval	cmd_select_pane_exec(struct cmd *, struct cmdq_item *);
31 
32 const struct cmd_entry cmd_select_pane_entry = {
33 	.name = "select-pane",
34 	.alias = "selectp",
35 
36 	.args = { "DdegLlMmP:RT:t:UZ", 0, 0 }, /* -P and -g deprecated */
37 	.usage = "[-DdeLlMmRUZ] [-T title] " CMD_TARGET_PANE_USAGE,
38 
39 	.target = { 't', CMD_FIND_PANE, 0 },
40 
41 	.flags = 0,
42 	.exec = cmd_select_pane_exec
43 };
44 
45 const struct cmd_entry cmd_last_pane_entry = {
46 	.name = "last-pane",
47 	.alias = "lastp",
48 
49 	.args = { "det:Z", 0, 0 },
50 	.usage = "[-deZ] " CMD_TARGET_WINDOW_USAGE,
51 
52 	.target = { 't', CMD_FIND_WINDOW, 0 },
53 
54 	.flags = 0,
55 	.exec = cmd_select_pane_exec
56 };
57 
58 static void
59 cmd_select_pane_redraw(struct window *w)
60 {
61 	struct client	*c;
62 
63 	/*
64 	 * Redraw entire window if it is bigger than the client (the
65 	 * offset may change), otherwise just draw borders.
66 	 */
67 
68 	TAILQ_FOREACH(c, &clients, entry) {
69 		if (c->session == NULL || (c->flags & CLIENT_CONTROL))
70 			continue;
71 		if (c->session->curw->window == w && tty_window_bigger(&c->tty))
72 			server_redraw_client(c);
73 		else {
74 			if (c->session->curw->window == w)
75 				c->flags |= CLIENT_REDRAWBORDERS;
76 			if (session_has(c->session, w))
77 				c->flags |= CLIENT_REDRAWSTATUS;
78 		}
79 
80 	}
81 }
82 
83 static enum cmd_retval
84 cmd_select_pane_exec(struct cmd *self, struct cmdq_item *item)
85 {
86 	struct args		*args = cmd_get_args(self);
87 	const struct cmd_entry	*entry = cmd_get_entry(self);
88 	struct cmd_find_state	*current = cmdq_get_current(item);
89 	struct cmd_find_state	*target = cmdq_get_target(item);
90 	struct client		*c = cmdq_get_client(item);
91 	struct winlink		*wl = target->wl;
92 	struct window		*w = wl->window;
93 	struct session		*s = target->s;
94 	struct window_pane	*wp = target->wp, *activewp, *lastwp, *markedwp;
95 	struct options		*oo = wp->options;
96 	char			*title;
97 	const char		*style;
98 	struct options_entry	*o;
99 
100 	if (entry == &cmd_last_pane_entry || args_has(args, 'l')) {
101 		lastwp = w->last;
102 		if (lastwp == NULL && window_count_panes(w) == 2) {
103 			lastwp = TAILQ_PREV(w->active, window_panes, entry);
104 			if (lastwp == NULL)
105 				lastwp = TAILQ_NEXT(w->active, entry);
106 		}
107 		if (lastwp == NULL) {
108 			cmdq_error(item, "no last pane");
109 			return (CMD_RETURN_ERROR);
110 		}
111 		if (args_has(args, 'e')) {
112 			lastwp->flags &= ~PANE_INPUTOFF;
113 			server_redraw_window_borders(lastwp->window);
114 			server_status_window(lastwp->window);
115 		} else if (args_has(args, 'd')) {
116 			lastwp->flags |= PANE_INPUTOFF;
117 			server_redraw_window_borders(lastwp->window);
118 			server_status_window(lastwp->window);
119 		} else {
120 			if (window_push_zoom(w, 0, args_has(args, 'Z')))
121 				server_redraw_window(w);
122 			window_redraw_active_switch(w, lastwp);
123 			if (window_set_active_pane(w, lastwp, 1)) {
124 				cmd_find_from_winlink(current, wl, 0);
125 				cmd_select_pane_redraw(w);
126 			}
127 			if (window_pop_zoom(w))
128 				server_redraw_window(w);
129 		}
130 		return (CMD_RETURN_NORMAL);
131 	}
132 
133 	if (args_has(args, 'm') || args_has(args, 'M')) {
134 		if (args_has(args, 'm') && !window_pane_visible(wp))
135 			return (CMD_RETURN_NORMAL);
136 		if (server_check_marked())
137 			lastwp = marked_pane.wp;
138 		else
139 			lastwp = NULL;
140 
141 		if (args_has(args, 'M') || server_is_marked(s, wl, wp))
142 			server_clear_marked();
143 		else
144 			server_set_marked(s, wl, wp);
145 		markedwp = marked_pane.wp;
146 
147 		if (lastwp != NULL) {
148 			server_redraw_window_borders(lastwp->window);
149 			server_status_window(lastwp->window);
150 		}
151 		if (markedwp != NULL) {
152 			server_redraw_window_borders(markedwp->window);
153 			server_status_window(markedwp->window);
154 		}
155 		return (CMD_RETURN_NORMAL);
156 	}
157 
158 	style = args_get(args, 'P');
159 	if (style != NULL) {
160 		o = options_set_string(oo, "window-style", 0, "%s", style);
161 		if (o == NULL) {
162 			cmdq_error(item, "bad style: %s", style);
163 			return (CMD_RETURN_ERROR);
164 		}
165 		options_set_string(oo, "window-active-style", 0, "%s", style);
166 		wp->flags |= (PANE_REDRAW|PANE_STYLECHANGED);
167 	}
168 	if (args_has(args, 'g')) {
169 		cmdq_print(item, "%s", options_get_string(oo, "window-style"));
170 		return (CMD_RETURN_NORMAL);
171 	}
172 
173 	if (args_has(args, 'L')) {
174 		window_push_zoom(w, 0, 1);
175 		wp = window_pane_find_left(wp);
176 		window_pop_zoom(w);
177 	} else if (args_has(args, 'R')) {
178 		window_push_zoom(w, 0, 1);
179 		wp = window_pane_find_right(wp);
180 		window_pop_zoom(w);
181 	} else if (args_has(args, 'U')) {
182 		window_push_zoom(w, 0, 1);
183 		wp = window_pane_find_up(wp);
184 		window_pop_zoom(w);
185 	} else if (args_has(args, 'D')) {
186 		window_push_zoom(w, 0, 1);
187 		wp = window_pane_find_down(wp);
188 		window_pop_zoom(w);
189 	}
190 	if (wp == NULL)
191 		return (CMD_RETURN_NORMAL);
192 
193 	if (args_has(args, 'e')) {
194 		wp->flags &= ~PANE_INPUTOFF;
195 		server_redraw_window_borders(wp->window);
196 		server_status_window(wp->window);
197 		return (CMD_RETURN_NORMAL);
198 	}
199 	if (args_has(args, 'd')) {
200 		wp->flags |= PANE_INPUTOFF;
201 		server_redraw_window_borders(wp->window);
202 		server_status_window(wp->window);
203 		return (CMD_RETURN_NORMAL);
204 	}
205 
206 	if (args_has(args, 'T')) {
207 		title = format_single_from_target(item, args_get(args, 'T'));
208 		if (screen_set_title(&wp->base, title)) {
209 			notify_pane("pane-title-changed", wp);
210 			server_redraw_window_borders(wp->window);
211 			server_status_window(wp->window);
212 		}
213 		free(title);
214 		return (CMD_RETURN_NORMAL);
215 	}
216 
217 	if (c != NULL && c->session != NULL && (c->flags & CLIENT_ACTIVEPANE))
218 		activewp = server_client_get_pane(c);
219 	else
220 		activewp = w->active;
221 	if (wp == activewp)
222 		return (CMD_RETURN_NORMAL);
223 	if (window_push_zoom(w, 0, args_has(args, 'Z')))
224 		server_redraw_window(w);
225 	window_redraw_active_switch(w, wp);
226 	if (c != NULL && c->session != NULL && (c->flags & CLIENT_ACTIVEPANE))
227 		server_client_set_pane(c, wp);
228 	else if (window_set_active_pane(w, wp, 1))
229 		cmd_find_from_winlink_pane(current, wl, wp, 0);
230 	cmdq_insert_hook(s, item, current, "after-select-pane");
231 	cmd_select_pane_redraw(w);
232 	if (window_pop_zoom(w))
233 		server_redraw_window(w);
234 
235 	return (CMD_RETURN_NORMAL);
236 }
237