Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.111
1.111 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.110 2021/08/27 17:25:55 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;
64: struct window_pane *wp = target->wp, *new_wp;
1.22 nicm 65: enum layout_type type;
66: struct layout_cell *lc;
1.92 nicm 67: struct cmd_find_state fs;
1.95 nicm 68: int size, percentage, flags, input;
1.106 nicm 69: const char *template, *errstr, *p;
1.96 nicm 70: char *cause, *cp, *copy;
71: size_t plen;
1.106 nicm 72: struct args_value *av;
1.107 nicm 73: u_int count = args_count(args);
1.46 nicm 74:
1.22 nicm 75: if (args_has(args, 'h'))
1.15 nicm 76: type = LAYOUT_LEFTRIGHT;
1.92 nicm 77: else
78: type = LAYOUT_TOPBOTTOM;
1.96 nicm 79: if ((p = args_get(args, 'l')) != NULL) {
80: plen = strlen(p);
81: if (p[plen - 1] == '%') {
82: copy = xstrdup(p);
83: copy[plen - 1] = '\0';
84: percentage = strtonum(copy, 0, INT_MAX, &errstr);
85: free(copy);
86: if (errstr != NULL) {
87: cmdq_error(item, "percentage %s", errstr);
88: return (CMD_RETURN_ERROR);
89: }
90: if (type == LAYOUT_TOPBOTTOM)
91: size = (wp->sy * percentage) / 100;
92: else
93: size = (wp->sx * percentage) / 100;
94: } else {
95: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
96: if (cause != NULL) {
97: cmdq_error(item, "lines %s", cause);
98: free(cause);
99: return (CMD_RETURN_ERROR);
100: }
1.22 nicm 101: }
102: } else if (args_has(args, 'p')) {
103: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
104: if (cause != NULL) {
1.92 nicm 105: cmdq_error(item, "create pane failed: -p %s", cause);
1.34 nicm 106: free(cause);
1.92 nicm 107: return (CMD_RETURN_ERROR);
1.22 nicm 108: }
1.15 nicm 109: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 110: size = (wp->sy * percentage) / 100;
1.15 nicm 111: else
1.22 nicm 112: size = (wp->sx * percentage) / 100;
1.92 nicm 113: } else
114: size = -1;
115:
1.105 nicm 116: window_push_zoom(wp->window, 1, args_has(args, 'Z'));
1.107 nicm 117: input = (args_has(args, 'I') && count == 0);
1.5 nicm 118:
1.92 nicm 119: flags = 0;
120: if (args_has(args, 'b'))
121: flags |= SPAWN_BEFORE;
122: if (args_has(args, 'f'))
123: flags |= SPAWN_FULLSIZE;
1.107 nicm 124: if (input || (count == 1 && *args_string(args, 0) == '\0'))
1.95 nicm 125: flags |= SPAWN_EMPTY;
1.11 nicm 126:
1.92 nicm 127: lc = layout_split_pane(wp, type, size, flags);
1.54 nicm 128: if (lc == NULL) {
1.92 nicm 129: cmdq_error(item, "no space for new pane");
130: return (CMD_RETURN_ERROR);
1.80 nicm 131: }
1.5 nicm 132:
1.92 nicm 133: sc.item = item;
134: sc.s = s;
135: sc.wl = wl;
136:
137: sc.wp0 = wp;
138: sc.lc = lc;
139:
1.110 nicm 140: args_to_vector(args, &sc.argc, &sc.argv);
1.94 nicm 141: sc.environ = environ_create();
142:
1.106 nicm 143: av = args_first_value(args, 'e');
144: while (av != NULL) {
1.109 nicm 145: environ_put(sc.environ, av->string, 0);
1.106 nicm 146: av = args_next_value(av);
1.94 nicm 147: }
1.92 nicm 148:
149: sc.idx = -1;
150: sc.cwd = args_get(args, 'c');
151:
152: sc.flags = flags;
153: if (args_has(args, 'd'))
154: sc.flags |= SPAWN_DETACHED;
1.105 nicm 155: if (args_has(args, 'Z'))
156: sc.flags |= SPAWN_ZOOM;
1.92 nicm 157:
158: if ((new_wp = spawn_pane(&sc, &cause)) == NULL) {
159: cmdq_error(item, "create pane failed: %s", cause);
160: free(cause);
1.107 nicm 161: if (sc.argv != NULL)
162: cmd_free_argv(sc.argc, sc.argv);
1.106 nicm 163: environ_free(sc.environ);
1.92 nicm 164: return (CMD_RETURN_ERROR);
165: }
1.111 ! nicm 166: if (input) {
! 167: switch (window_pane_start_input(new_wp, item, &cause)) {
! 168: case -1:
! 169: server_client_remove_pane(new_wp);
! 170: layout_close_pane(new_wp);
! 171: window_remove_pane(wp->window, new_wp);
! 172: cmdq_error(item, "%s", cause);
! 173: free(cause);
! 174: if (sc.argv != NULL)
! 175: cmd_free_argv(sc.argc, sc.argv);
! 176: environ_free(sc.environ);
! 177: return (CMD_RETURN_ERROR);
! 178: case 1:
! 179: input = 0;
! 180: break;
! 181: }
1.95 nicm 182: }
1.92 nicm 183: if (!args_has(args, 'd'))
184: cmd_find_from_winlink_pane(current, wl, new_wp, 0);
1.105 nicm 185: window_pop_zoom(wp->window);
1.92 nicm 186: server_redraw_window(wp->window);
187: server_status_session(s);
1.1 nicm 188:
1.22 nicm 189: if (args_has(args, 'P')) {
1.33 nicm 190: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 191: template = SPLIT_WINDOW_TEMPLATE;
1.103 nicm 192: cp = format_single(item, template, tc, s, wl, new_wp);
1.75 nicm 193: cmdq_print(item, "%s", cp);
1.34 nicm 194: free(cp);
1.21 nicm 195: }
1.72 nicm 196:
1.87 nicm 197: cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
1.93 nicm 198: cmdq_insert_hook(s, item, &fs, "after-split-window");
1.74 nicm 199:
1.107 nicm 200: if (sc.argv != NULL)
201: cmd_free_argv(sc.argc, sc.argv);
1.94 nicm 202: environ_free(sc.environ);
1.95 nicm 203: if (input)
204: return (CMD_RETURN_WAIT);
1.35 nicm 205: return (CMD_RETURN_NORMAL);
1.1 nicm 206: }
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