Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.113
1.113 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.112 2022/03/08 22:14:25 nicm Exp $ */
1.1 nicm 2:
3: /*
1.68 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.46 nicm 21: #include <errno.h>
22: #include <fcntl.h>
1.11 nicm 23: #include <paths.h>
1.1 nicm 24: #include <stdlib.h>
1.46 nicm 25: #include <string.h>
1.1 nicm 26: #include <unistd.h>
27:
28: #include "tmux.h"
29:
30: /*
31: * Split a window (add a new pane).
32: */
1.53 nicm 33:
34: #define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
1.1 nicm 35:
1.75 nicm 36: static enum cmd_retval cmd_split_window_exec(struct cmd *,
37: struct cmdq_item *);
1.1 nicm 38:
39: const struct cmd_entry cmd_split_window_entry = {
1.66 nicm 40: .name = "split-window",
41: .alias = "splitw",
42:
1.108 nicm 43: .args = { "bc:de:fF:hIl:p:Pt:vZ", 0, -1, NULL },
1.105 nicm 44: .usage = "[-bdefhIPvZ] [-c start-directory] [-e environment] "
1.110 nicm 45: "[-F format] [-l size] " CMD_TARGET_PANE_USAGE
46: "[shell-command]",
1.66 nicm 47:
1.83 nicm 48: .target = { 't', CMD_FIND_PANE, 0 },
1.67 nicm 49:
50: .flags = 0,
1.66 nicm 51: .exec = cmd_split_window_exec
1.1 nicm 52: };
53:
1.71 nicm 54: static enum cmd_retval
1.75 nicm 55: cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 56: {
1.99 nicm 57: struct args *args = cmd_get_args(self);
1.102 nicm 58: struct cmd_find_state *current = cmdq_get_current(item);
1.100 nicm 59: struct cmd_find_state *target = cmdq_get_target(item);
1.107 nicm 60: struct spawn_context sc = { 0 };
1.103 nicm 61: struct client *tc = cmdq_get_target_client(item);
1.100 nicm 62: struct session *s = target->s;
63: struct winlink *wl = target->wl;
1.112 nicm 64: struct window *w = wl->window;
1.100 nicm 65: struct window_pane *wp = target->wp, *new_wp;
1.22 nicm 66: enum layout_type type;
67: struct layout_cell *lc;
1.92 nicm 68: struct cmd_find_state fs;
1.113 ! nicm 69: int size, flags, input;
! 70: const char *template;
! 71: char *cause = NULL, *cp;
1.106 nicm 72: struct args_value *av;
1.113 ! nicm 73: u_int count = args_count(args), curval = 0;
1.46 nicm 74:
1.113 ! nicm 75: type = LAYOUT_TOPBOTTOM;
1.22 nicm 76: if (args_has(args, 'h'))
1.15 nicm 77: type = LAYOUT_LEFTRIGHT;
1.113 ! nicm 78:
! 79: /* If the 'p' flag is dropped then this bit can be moved into 'l'. */
! 80: if (args_has(args, 'l') || args_has(args, 'p')) {
1.112 nicm 81: if (args_has(args, 'f')) {
82: if (type == LAYOUT_TOPBOTTOM)
1.113 ! nicm 83: curval = w->sy;
1.112 nicm 84: else
1.113 ! nicm 85: curval = w->sx;
1.112 nicm 86: } else {
87: if (type == LAYOUT_TOPBOTTOM)
1.113 ! nicm 88: curval = wp->sy;
1.112 nicm 89: else
1.113 ! nicm 90: curval = wp->sx;
1.112 nicm 91: }
1.113 ! nicm 92: }
! 93:
! 94: size = -1;
! 95: if (args_has(args, 'l')) {
! 96: size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval,
! 97: item, &cause);
! 98: } else if (args_has(args, 'p')) {
! 99: size = args_strtonum_and_expand(args, 'l', 0, 100, item,
! 100: &cause);
! 101: if (cause == NULL)
! 102: size = curval * size / 100;
! 103: }
! 104: if (cause != NULL) {
! 105: cmdq_error(item, "size %s", cause);
! 106: free(cause);
! 107: return (CMD_RETURN_ERROR);
! 108: }
1.92 nicm 109:
1.105 nicm 110: window_push_zoom(wp->window, 1, args_has(args, 'Z'));
1.107 nicm 111: input = (args_has(args, 'I') && count == 0);
1.5 nicm 112:
1.92 nicm 113: flags = 0;
114: if (args_has(args, 'b'))
115: flags |= SPAWN_BEFORE;
116: if (args_has(args, 'f'))
117: flags |= SPAWN_FULLSIZE;
1.107 nicm 118: if (input || (count == 1 && *args_string(args, 0) == '\0'))
1.95 nicm 119: flags |= SPAWN_EMPTY;
1.11 nicm 120:
1.92 nicm 121: lc = layout_split_pane(wp, type, size, flags);
1.54 nicm 122: if (lc == NULL) {
1.92 nicm 123: cmdq_error(item, "no space for new pane");
124: return (CMD_RETURN_ERROR);
1.80 nicm 125: }
1.5 nicm 126:
1.92 nicm 127: sc.item = item;
128: sc.s = s;
129: sc.wl = wl;
130:
131: sc.wp0 = wp;
132: sc.lc = lc;
133:
1.110 nicm 134: args_to_vector(args, &sc.argc, &sc.argv);
1.94 nicm 135: sc.environ = environ_create();
136:
1.106 nicm 137: av = args_first_value(args, 'e');
138: while (av != NULL) {
1.109 nicm 139: environ_put(sc.environ, av->string, 0);
1.106 nicm 140: av = args_next_value(av);
1.94 nicm 141: }
1.92 nicm 142:
143: sc.idx = -1;
144: sc.cwd = args_get(args, 'c');
145:
146: sc.flags = flags;
147: if (args_has(args, 'd'))
148: sc.flags |= SPAWN_DETACHED;
1.105 nicm 149: if (args_has(args, 'Z'))
150: sc.flags |= SPAWN_ZOOM;
1.92 nicm 151:
152: if ((new_wp = spawn_pane(&sc, &cause)) == NULL) {
153: cmdq_error(item, "create pane failed: %s", cause);
154: free(cause);
1.107 nicm 155: if (sc.argv != NULL)
156: cmd_free_argv(sc.argc, sc.argv);
1.106 nicm 157: environ_free(sc.environ);
1.92 nicm 158: return (CMD_RETURN_ERROR);
159: }
1.111 nicm 160: if (input) {
161: switch (window_pane_start_input(new_wp, item, &cause)) {
162: case -1:
163: server_client_remove_pane(new_wp);
164: layout_close_pane(new_wp);
165: window_remove_pane(wp->window, new_wp);
166: cmdq_error(item, "%s", cause);
167: free(cause);
168: if (sc.argv != NULL)
169: cmd_free_argv(sc.argc, sc.argv);
170: environ_free(sc.environ);
171: return (CMD_RETURN_ERROR);
172: case 1:
173: input = 0;
174: break;
175: }
1.95 nicm 176: }
1.92 nicm 177: if (!args_has(args, 'd'))
178: cmd_find_from_winlink_pane(current, wl, new_wp, 0);
1.105 nicm 179: window_pop_zoom(wp->window);
1.92 nicm 180: server_redraw_window(wp->window);
181: server_status_session(s);
1.1 nicm 182:
1.22 nicm 183: if (args_has(args, 'P')) {
1.33 nicm 184: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 185: template = SPLIT_WINDOW_TEMPLATE;
1.103 nicm 186: cp = format_single(item, template, tc, s, wl, new_wp);
1.75 nicm 187: cmdq_print(item, "%s", cp);
1.34 nicm 188: free(cp);
1.21 nicm 189: }
1.72 nicm 190:
1.87 nicm 191: cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
1.93 nicm 192: cmdq_insert_hook(s, item, &fs, "after-split-window");
1.74 nicm 193:
1.107 nicm 194: if (sc.argv != NULL)
195: cmd_free_argv(sc.argc, sc.argv);
1.94 nicm 196: environ_free(sc.environ);
1.95 nicm 197: if (input)
198: return (CMD_RETURN_WAIT);
1.35 nicm 199: return (CMD_RETURN_NORMAL);
1.1 nicm 200: }
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