Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.99
1.99 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.98 2020/03/31 17:14:40 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:
1.95 nicm 43: .args = { "bc:de:fF:hIl:p:Pt:v", 0, -1 },
44: .usage = "[-bdefhIPv] [-c start-directory] [-e environment] "
1.96 nicm 45: "[-F format] [-l size] " CMD_TARGET_PANE_USAGE " [command]",
1.66 nicm 46:
1.83 nicm 47: .target = { 't', CMD_FIND_PANE, 0 },
1.67 nicm 48:
49: .flags = 0,
1.66 nicm 50: .exec = cmd_split_window_exec
1.1 nicm 51: };
52:
1.71 nicm 53: static enum cmd_retval
1.75 nicm 54: cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 55: {
1.99 ! nicm 56: struct args *args = cmd_get_args(self);
1.82 nicm 57: struct cmd_find_state *current = &item->shared->current;
1.92 nicm 58: struct spawn_context sc;
1.83 nicm 59: struct client *c = cmd_find_client(item, NULL, 1);
60: struct session *s = item->target.s;
61: struct winlink *wl = item->target.wl;
1.92 nicm 62: struct window_pane *wp = item->target.wp, *new_wp;
1.22 nicm 63: enum layout_type type;
64: struct layout_cell *lc;
1.92 nicm 65: struct cmd_find_state fs;
1.95 nicm 66: int size, percentage, flags, input;
1.96 nicm 67: const char *template, *add, *errstr, *p;
68: char *cause, *cp, *copy;
69: size_t plen;
1.94 nicm 70: struct args_value *value;
1.46 nicm 71:
1.22 nicm 72: if (args_has(args, 'h'))
1.15 nicm 73: type = LAYOUT_LEFTRIGHT;
1.92 nicm 74: else
75: type = LAYOUT_TOPBOTTOM;
1.96 nicm 76: if ((p = args_get(args, 'l')) != NULL) {
77: plen = strlen(p);
78: if (p[plen - 1] == '%') {
79: copy = xstrdup(p);
80: copy[plen - 1] = '\0';
81: percentage = strtonum(copy, 0, INT_MAX, &errstr);
82: free(copy);
83: if (errstr != NULL) {
84: cmdq_error(item, "percentage %s", errstr);
85: return (CMD_RETURN_ERROR);
86: }
87: if (type == LAYOUT_TOPBOTTOM)
88: size = (wp->sy * percentage) / 100;
89: else
90: size = (wp->sx * percentage) / 100;
91: } else {
92: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
93: if (cause != NULL) {
94: cmdq_error(item, "lines %s", cause);
95: free(cause);
96: return (CMD_RETURN_ERROR);
97: }
1.22 nicm 98: }
99: } else if (args_has(args, 'p')) {
100: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
101: if (cause != NULL) {
1.92 nicm 102: cmdq_error(item, "create pane failed: -p %s", cause);
1.34 nicm 103: free(cause);
1.92 nicm 104: return (CMD_RETURN_ERROR);
1.22 nicm 105: }
1.15 nicm 106: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 107: size = (wp->sy * percentage) / 100;
1.15 nicm 108: else
1.22 nicm 109: size = (wp->sx * percentage) / 100;
1.92 nicm 110: } else
111: size = -1;
112:
113: server_unzoom_window(wp->window);
1.95 nicm 114: input = (args_has(args, 'I') && args->argc == 0);
1.5 nicm 115:
1.92 nicm 116: flags = 0;
117: if (args_has(args, 'b'))
118: flags |= SPAWN_BEFORE;
119: if (args_has(args, 'f'))
120: flags |= SPAWN_FULLSIZE;
1.95 nicm 121: if (input || (args->argc == 1 && *args->argv[0] == '\0'))
122: flags |= SPAWN_EMPTY;
1.11 nicm 123:
1.92 nicm 124: lc = layout_split_pane(wp, type, size, flags);
1.54 nicm 125: if (lc == NULL) {
1.92 nicm 126: cmdq_error(item, "no space for new pane");
127: return (CMD_RETURN_ERROR);
1.80 nicm 128: }
1.5 nicm 129:
1.92 nicm 130: memset(&sc, 0, sizeof sc);
131: sc.item = item;
132: sc.s = s;
133: sc.wl = wl;
134:
135: sc.wp0 = wp;
136: sc.lc = lc;
137:
138: sc.name = NULL;
139: sc.argc = args->argc;
140: sc.argv = args->argv;
1.94 nicm 141: sc.environ = environ_create();
142:
143: add = args_first_value(args, 'e', &value);
144: while (add != NULL) {
1.98 nicm 145: environ_put(sc.environ, add, 0);
1.94 nicm 146: add = args_next_value(&value);
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;
155:
156: if ((new_wp = spawn_pane(&sc, &cause)) == NULL) {
157: cmdq_error(item, "create pane failed: %s", cause);
158: free(cause);
159: return (CMD_RETURN_ERROR);
160: }
1.95 nicm 161: if (input && window_pane_start_input(new_wp, item, &cause) != 0) {
162: layout_close_pane(new_wp);
163: window_remove_pane(wp->window, new_wp);
164: cmdq_error(item, "%s", cause);
165: free(cause);
166: return (CMD_RETURN_ERROR);
167: }
1.92 nicm 168: if (!args_has(args, 'd'))
169: cmd_find_from_winlink_pane(current, wl, new_wp, 0);
170: server_redraw_window(wp->window);
171: server_status_session(s);
1.1 nicm 172:
1.22 nicm 173: if (args_has(args, 'P')) {
1.33 nicm 174: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 175: template = SPLIT_WINDOW_TEMPLATE;
1.79 nicm 176: cp = format_single(item, template, c, s, wl, new_wp);
1.75 nicm 177: cmdq_print(item, "%s", cp);
1.34 nicm 178: free(cp);
1.21 nicm 179: }
1.72 nicm 180:
1.87 nicm 181: cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
1.93 nicm 182: cmdq_insert_hook(s, item, &fs, "after-split-window");
1.74 nicm 183:
1.94 nicm 184: environ_free(sc.environ);
1.95 nicm 185: if (input)
186: return (CMD_RETURN_WAIT);
1.35 nicm 187: return (CMD_RETURN_NORMAL);
1.1 nicm 188: }
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