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      1 /* $OpenBSD$ */
      2 
      3 /*
      4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott (at) 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 
     23 #include "tmux.h"
     24 
     25 /*
     26  * Select window by index.
     27  */
     28 
     29 static enum cmd_retval	cmd_select_window_exec(struct cmd *,
     30 			    struct cmdq_item *);
     31 
     32 const struct cmd_entry cmd_select_window_entry = {
     33 	.name = "select-window",
     34 	.alias = "selectw",
     35 
     36 	.args = { "lnpTt:", 0, 0, NULL },
     37 	.usage = "[-lnpT] " CMD_TARGET_WINDOW_USAGE,
     38 
     39 	.target = { 't', CMD_FIND_WINDOW, 0 },
     40 
     41 	.flags = 0,
     42 	.exec = cmd_select_window_exec
     43 };
     44 
     45 const struct cmd_entry cmd_next_window_entry = {
     46 	.name = "next-window",
     47 	.alias = "next",
     48 
     49 	.args = { "at:", 0, 0, NULL },
     50 	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
     51 
     52 	.target = { 't', CMD_FIND_SESSION, 0 },
     53 
     54 	.flags = 0,
     55 	.exec = cmd_select_window_exec
     56 };
     57 
     58 const struct cmd_entry cmd_previous_window_entry = {
     59 	.name = "previous-window",
     60 	.alias = "prev",
     61 
     62 	.args = { "at:", 0, 0, NULL },
     63 	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
     64 
     65 	.target = { 't', CMD_FIND_SESSION, 0 },
     66 
     67 	.flags = 0,
     68 	.exec = cmd_select_window_exec
     69 };
     70 
     71 const struct cmd_entry cmd_last_window_entry = {
     72 	.name = "last-window",
     73 	.alias = "last",
     74 
     75 	.args = { "t:", 0, 0, NULL },
     76 	.usage = CMD_TARGET_SESSION_USAGE,
     77 
     78 	.target = { 't', CMD_FIND_SESSION, 0 },
     79 
     80 	.flags = 0,
     81 	.exec = cmd_select_window_exec
     82 };
     83 
     84 static enum cmd_retval
     85 cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
     86 {
     87 	struct args		*args = cmd_get_args(self);
     88 	struct client		*c = cmdq_get_client(item);
     89 	struct cmd_find_state	*current = cmdq_get_current(item);
     90 	struct cmd_find_state	*target = cmdq_get_target(item);
     91 	struct winlink		*wl = target->wl;
     92 	struct session		*s = target->s;
     93 	int			 next, previous, last, activity;
     94 
     95 	next = (cmd_get_entry(self) == &cmd_next_window_entry);
     96 	if (args_has(args, 'n'))
     97 		next = 1;
     98 	previous = (cmd_get_entry(self) == &cmd_previous_window_entry);
     99 	if (args_has(args, 'p'))
    100 		previous = 1;
    101 	last = (cmd_get_entry(self) == &cmd_last_window_entry);
    102 	if (args_has(args, 'l'))
    103 		last = 1;
    104 
    105 	if (next || previous || last) {
    106 		activity = args_has(args, 'a');
    107 		if (next) {
    108 			if (session_next(s, activity) != 0) {
    109 				cmdq_error(item, "no next window");
    110 				return (CMD_RETURN_ERROR);
    111 			}
    112 		} else if (previous) {
    113 			if (session_previous(s, activity) != 0) {
    114 				cmdq_error(item, "no previous window");
    115 				return (CMD_RETURN_ERROR);
    116 			}
    117 		} else {
    118 			if (session_last(s) != 0) {
    119 				cmdq_error(item, "no last window");
    120 				return (CMD_RETURN_ERROR);
    121 			}
    122 		}
    123 		cmd_find_from_session(current, s, 0);
    124 		server_redraw_session(s);
    125 		cmdq_insert_hook(s, item, current, "after-select-window");
    126 	} else {
    127 		/*
    128 		 * If -T and select-window is invoked on same window as
    129 		 * current, switch to previous window.
    130 		 */
    131 		if (args_has(args, 'T') && wl == s->curw) {
    132 			if (session_last(s) != 0) {
    133 				cmdq_error(item, "no last window");
    134 				return (-1);
    135 			}
    136 			if (current->s == s)
    137 				cmd_find_from_session(current, s, 0);
    138 			server_redraw_session(s);
    139 		} else if (session_select(s, wl->idx) == 0) {
    140 			cmd_find_from_session(current, s, 0);
    141 			server_redraw_session(s);
    142 		}
    143 		cmdq_insert_hook(s, item, current, "after-select-window");
    144 	}
    145 	if (c != NULL && c->session != NULL)
    146 		s->curw->window->latest = c;
    147 	recalculate_sizes();
    148 
    149 	return (CMD_RETURN_NORMAL);
    150 }
    151