Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.46
1.46 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.45 2013/10/10 12:07:36 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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: */
33:
1.35 nicm 34: void cmd_split_window_key_binding(struct cmd *, int);
1.40 nicm 35: enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *);
1.1 nicm 36:
37: const struct cmd_entry cmd_split_window_entry = {
38: "split-window", "splitw",
1.30 nicm 39: "c:dF:l:hp:Pt:v", 0, 1,
40: "[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
1.37 nicm 41: CMD_TARGET_PANE_USAGE " [command]",
1.22 nicm 42: 0,
1.44 nicm 43: cmd_split_window_key_binding,
1.22 nicm 44: cmd_split_window_exec
1.1 nicm 45: };
46:
47: void
1.22 nicm 48: cmd_split_window_key_binding(struct cmd *self, int key)
1.1 nicm 49: {
1.22 nicm 50: self->args = args_create(0);
51: if (key == '%')
52: args_set(self->args, 'h', NULL);
1.1 nicm 53: }
54:
1.35 nicm 55: enum cmd_retval
1.40 nicm 56: cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 57: {
1.22 nicm 58: struct args *args = self->args;
59: struct session *s;
60: struct winlink *wl;
61: struct window *w;
62: struct window_pane *wp, *new_wp = NULL;
63: struct environ env;
1.46 ! nicm 64: const char *cmd, *shell, *template;
! 65: char *cause, *new_cause, *cp;
1.30 nicm 66: u_int hlimit;
1.46 ! nicm 67: int size, percentage, cwd, fd = -1;
1.22 nicm 68: enum layout_type type;
69: struct layout_cell *lc;
1.30 nicm 70: struct client *c;
71: struct format_tree *ft;
1.1 nicm 72:
1.40 nicm 73: if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
1.35 nicm 74: return (CMD_RETURN_ERROR);
1.1 nicm 75: w = wl->window;
1.41 nicm 76: server_unzoom_window(w);
1.1 nicm 77:
1.8 nicm 78: environ_init(&env);
79: environ_copy(&global_environ, &env);
80: environ_copy(&s->environ, &env);
81: server_fill_environ(s, &env);
1.1 nicm 82:
1.22 nicm 83: if (args->argc == 0)
1.1 nicm 84: cmd = options_get_string(&s->options, "default-command");
1.22 nicm 85: else
86: cmd = args->argv[0];
1.46 ! nicm 87:
! 88: if (args_has(args, 'c')) {
! 89: ft = format_create();
! 90: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
! 91: format_client(ft, c);
! 92: format_session(ft, s);
! 93: format_winlink(ft, s, s->curw);
! 94: format_window_pane(ft, s->curw->window->active);
! 95: cp = format_expand(ft, args_get(args, 'c'));
! 96: format_free(ft);
! 97:
! 98: fd = open(cp, O_RDONLY|O_DIRECTORY);
! 99: free(cp);
! 100: if (fd == -1) {
! 101: cmdq_error(cmdq, "bad working directory: %s",
! 102: strerror(errno));
! 103: return (CMD_RETURN_ERROR);
! 104: }
! 105: cwd = fd;
! 106: } else if (cmdq->client->session == NULL)
! 107: cwd = cmdq->client->cwd;
! 108: else
! 109: cwd = s->cwd;
1.1 nicm 110:
1.15 nicm 111: type = LAYOUT_TOPBOTTOM;
1.22 nicm 112: if (args_has(args, 'h'))
1.15 nicm 113: type = LAYOUT_LEFTRIGHT;
114:
1.5 nicm 115: size = -1;
1.23 nicm 116: if (args_has(args, 'l')) {
117: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 118: if (cause != NULL) {
1.24 nicm 119: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 120: free(cause);
1.24 nicm 121: cause = new_cause;
122: goto error;
1.22 nicm 123: }
124: } else if (args_has(args, 'p')) {
125: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
126: if (cause != NULL) {
1.24 nicm 127: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 128: free(cause);
1.24 nicm 129: cause = new_cause;
130: goto error;
1.22 nicm 131: }
1.15 nicm 132: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 133: size = (wp->sy * percentage) / 100;
1.15 nicm 134: else
1.22 nicm 135: size = (wp->sx * percentage) / 100;
1.15 nicm 136: }
1.5 nicm 137: hlimit = options_get_number(&s->options, "history-limit");
138:
1.11 nicm 139: shell = options_get_string(&s->options, "default-shell");
140: if (*shell == '\0' || areshell(shell))
141: shell = _PATH_BSHELL;
142:
1.29 nicm 143: if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
1.5 nicm 144: cause = xstrdup("pane too small");
145: goto error;
1.1 nicm 146: }
1.19 nicm 147: new_wp = window_add_pane(w, hlimit);
1.42 nicm 148: if (window_pane_spawn(
149: new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
1.19 nicm 150: goto error;
151: layout_assign_pane(lc, new_wp);
1.5 nicm 152:
1.1 nicm 153: server_redraw_window(w);
154:
1.22 nicm 155: if (!args_has(args, 'd')) {
1.17 nicm 156: window_set_active_pane(w, new_wp);
1.1 nicm 157: session_select(s, wl->idx);
158: server_redraw_session(s);
159: } else
160: server_status_session(s);
161:
1.8 nicm 162: environ_free(&env);
1.21 nicm 163:
1.22 nicm 164: if (args_has(args, 'P')) {
1.33 nicm 165: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 166: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 167:
168: ft = format_create();
1.40 nicm 169: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
170: format_client(ft, c);
1.30 nicm 171: format_session(ft, s);
172: format_winlink(ft, s, wl);
173: format_window_pane(ft, new_wp);
174:
175: cp = format_expand(ft, template);
1.40 nicm 176: cmdq_print(cmdq, "%s", cp);
1.34 nicm 177: free(cp);
1.30 nicm 178:
179: format_free(ft);
1.21 nicm 180: }
1.32 nicm 181: notify_window_layout_changed(w);
1.46 ! nicm 182:
! 183: if (fd != -1)
! 184: close(fd);
1.35 nicm 185: return (CMD_RETURN_NORMAL);
1.5 nicm 186:
187: error:
1.8 nicm 188: environ_free(&env);
1.17 nicm 189: if (new_wp != NULL)
190: window_remove_pane(w, new_wp);
1.40 nicm 191: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 192: free(cause);
1.46 ! nicm 193: if (fd != -1)
! 194: close(fd);
1.35 nicm 195: return (CMD_RETURN_ERROR);
1.1 nicm 196: }
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