Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.95
1.95 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.94 2019/04/28 20:05:50 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] "
! 45: "[-F format] [-p percentage|-l size] " CMD_TARGET_PANE_USAGE
! 46: " [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: {
1.92 nicm 57: struct args *args = self->args;
1.82 nicm 58: struct cmd_find_state *current = &item->shared->current;
1.92 nicm 59: struct spawn_context sc;
1.83 nicm 60: struct client *c = cmd_find_client(item, NULL, 1);
61: struct session *s = item->target.s;
62: struct winlink *wl = item->target.wl;
1.92 nicm 63: struct window_pane *wp = item->target.wp, *new_wp;
1.22 nicm 64: enum layout_type type;
65: struct layout_cell *lc;
1.92 nicm 66: struct cmd_find_state fs;
1.95 ! nicm 67: int size, percentage, flags, input;
1.94 nicm 68: const char *template, *add;
1.92 nicm 69: char *cause, *cp;
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;
1.23 nicm 76: if (args_has(args, 'l')) {
77: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 78: if (cause != NULL) {
1.92 nicm 79: cmdq_error(item, "create pane failed: -l %s", cause);
1.34 nicm 80: free(cause);
1.92 nicm 81: return (CMD_RETURN_ERROR);
1.22 nicm 82: }
83: } else if (args_has(args, 'p')) {
84: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
85: if (cause != NULL) {
1.92 nicm 86: cmdq_error(item, "create pane failed: -p %s", cause);
1.34 nicm 87: free(cause);
1.92 nicm 88: return (CMD_RETURN_ERROR);
1.22 nicm 89: }
1.15 nicm 90: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 91: size = (wp->sy * percentage) / 100;
1.15 nicm 92: else
1.22 nicm 93: size = (wp->sx * percentage) / 100;
1.92 nicm 94: } else
95: size = -1;
96:
97: server_unzoom_window(wp->window);
1.95 ! nicm 98: input = (args_has(args, 'I') && args->argc == 0);
1.5 nicm 99:
1.92 nicm 100: flags = 0;
101: if (args_has(args, 'b'))
102: flags |= SPAWN_BEFORE;
103: if (args_has(args, 'f'))
104: flags |= SPAWN_FULLSIZE;
1.95 ! nicm 105: if (input || (args->argc == 1 && *args->argv[0] == '\0'))
! 106: flags |= SPAWN_EMPTY;
1.11 nicm 107:
1.92 nicm 108: lc = layout_split_pane(wp, type, size, flags);
1.54 nicm 109: if (lc == NULL) {
1.92 nicm 110: cmdq_error(item, "no space for new pane");
111: return (CMD_RETURN_ERROR);
1.80 nicm 112: }
1.5 nicm 113:
1.92 nicm 114: memset(&sc, 0, sizeof sc);
115: sc.item = item;
116: sc.s = s;
117: sc.wl = wl;
118:
119: sc.wp0 = wp;
120: sc.lc = lc;
121:
122: sc.name = NULL;
123: sc.argc = args->argc;
124: sc.argv = args->argv;
1.94 nicm 125: sc.environ = environ_create();
126:
127: add = args_first_value(args, 'e', &value);
128: while (add != NULL) {
129: environ_put(sc.environ, add);
130: add = args_next_value(&value);
131: }
1.92 nicm 132:
133: sc.idx = -1;
134: sc.cwd = args_get(args, 'c');
135:
136: sc.flags = flags;
137: if (args_has(args, 'd'))
138: sc.flags |= SPAWN_DETACHED;
139:
140: if ((new_wp = spawn_pane(&sc, &cause)) == NULL) {
1.95 ! nicm 141: layout_close_pane(new_wp);
1.92 nicm 142: cmdq_error(item, "create pane failed: %s", cause);
143: free(cause);
144: return (CMD_RETURN_ERROR);
145: }
1.95 ! nicm 146: if (input && window_pane_start_input(new_wp, item, &cause) != 0) {
! 147: layout_close_pane(new_wp);
! 148: window_remove_pane(wp->window, new_wp);
! 149: cmdq_error(item, "%s", cause);
! 150: free(cause);
! 151: return (CMD_RETURN_ERROR);
! 152: }
1.92 nicm 153: if (!args_has(args, 'd'))
154: cmd_find_from_winlink_pane(current, wl, new_wp, 0);
155: server_redraw_window(wp->window);
156: server_status_session(s);
1.1 nicm 157:
1.22 nicm 158: if (args_has(args, 'P')) {
1.33 nicm 159: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 160: template = SPLIT_WINDOW_TEMPLATE;
1.79 nicm 161: cp = format_single(item, template, c, s, wl, new_wp);
1.75 nicm 162: cmdq_print(item, "%s", cp);
1.34 nicm 163: free(cp);
1.21 nicm 164: }
1.72 nicm 165:
1.87 nicm 166: cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
1.93 nicm 167: cmdq_insert_hook(s, item, &fs, "after-split-window");
1.74 nicm 168:
1.94 nicm 169: environ_free(sc.environ);
1.95 ! nicm 170: if (input)
! 171: return (CMD_RETURN_WAIT);
1.35 nicm 172: return (CMD_RETURN_NORMAL);
1.1 nicm 173: }
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