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1.2 ! nicm 1: /* $OpenBSD: cmd-join-pane.c,v 1.1 2010/01/07 20:52:18 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:
21: #include <paths.h>
22: #include <stdlib.h>
23: #include <unistd.h>
24:
25: #include "tmux.h"
26:
27: /*
28: * Join a pane into another (like split/swap/kill).
29: */
30:
31: int cmd_join_pane_parse(struct cmd *, int, char **, char **);
32: int cmd_join_pane_exec(struct cmd *, struct cmd_ctx *);
33: void cmd_join_pane_free(struct cmd *);
34: void cmd_join_pane_init(struct cmd *, int);
35: size_t cmd_join_pane_print(struct cmd *, char *, size_t);
36:
37: struct cmd_join_pane_data {
38: char *src;
39: char *dst;
40: int flag_detached;
41: int flag_horizontal;
42: int percentage;
43: int size;
44: };
45:
46: const struct cmd_entry cmd_join_pane_entry = {
47: "join-pane", "joinp",
1.2 ! nicm 48: "[-dhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane] [command]",
1.1 nicm 49: 0, "",
50: cmd_join_pane_init,
51: cmd_join_pane_parse,
52: cmd_join_pane_exec,
53: cmd_join_pane_free,
54: cmd_join_pane_print
55: };
56:
57: void
58: cmd_join_pane_init(struct cmd *self, int key)
59: {
60: struct cmd_join_pane_data *data;
61:
62: self->data = data = xmalloc(sizeof *data);
63: data->src = NULL;
64: data->dst = NULL;
65: data->flag_detached = 0;
66: data->flag_horizontal = 0;
67: data->percentage = -1;
68: data->size = -1;
69:
70: switch (key) {
71: case '%':
72: data->flag_horizontal = 1;
73: break;
74: case '"':
75: data->flag_horizontal = 0;
76: break;
77: }
78: }
79:
80: int
81: cmd_join_pane_parse(struct cmd *self, int argc, char **argv, char **cause)
82: {
83: struct cmd_join_pane_data *data;
84: int opt;
85: const char *errstr;
86:
87: self->entry->init(self, KEYC_NONE);
88: data = self->data;
89:
90: while ((opt = getopt(argc, argv, "dhl:p:s:t:v")) != -1) {
91: switch (opt) {
92: case 'd':
93: data->flag_detached = 1;
94: break;
95: case 'h':
96: data->flag_horizontal = 1;
97: break;
98: case 's':
99: if (data->src == NULL)
100: data->src = xstrdup(optarg);
101: break;
102: case 't':
103: if (data->dst == NULL)
104: data->dst = xstrdup(optarg);
105: break;
106: case 'l':
107: if (data->percentage != -1 || data->size != -1)
108: break;
109: data->size = strtonum(optarg, 1, INT_MAX, &errstr);
110: if (errstr != NULL) {
111: xasprintf(cause, "size %s", errstr);
112: goto error;
113: }
114: break;
115: case 'p':
116: if (data->size != -1 || data->percentage != -1)
117: break;
118: data->percentage = strtonum(optarg, 1, 100, &errstr);
119: if (errstr != NULL) {
120: xasprintf(cause, "percentage %s", errstr);
121: goto error;
122: }
123: break;
124: case 'v':
125: data->flag_horizontal = 0;
126: break;
127: default:
128: goto usage;
129: }
130: }
131: argc -= optind;
132: argv += optind;
133: if (argc != 0)
134: goto usage;
135:
136: return (0);
137:
138: usage:
139: xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
140:
141: error:
142: self->entry->free(self);
143: return (-1);
144: }
145:
146: int
147: cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
148: {
149: struct cmd_join_pane_data *data = self->data;
150: struct session *dst_s;
151: struct winlink *src_wl, *dst_wl;
152: struct window *src_w, *dst_w;
153: struct window_pane *src_wp, *dst_wp;
154: int size;
155: enum layout_type type;
156: struct layout_cell *lc;
157:
158: if ((dst_wl = cmd_find_pane(ctx, data->dst, &dst_s, &dst_wp)) == NULL)
159: return (-1);
160: dst_w = dst_wl->window;
161:
162: if ((src_wl = cmd_find_pane(ctx, data->src, NULL, &src_wp)) == NULL)
163: return (-1);
164: src_w = src_wl->window;
165:
166: if (src_w == dst_w) {
167: ctx->error(ctx, "can't join a pane to its own window");
168: return (-1);
169: }
170:
171: type = LAYOUT_TOPBOTTOM;
172: if (data->flag_horizontal)
173: type = LAYOUT_LEFTRIGHT;
174:
175: size = -1;
176: if (data->size != -1)
177: size = data->size;
178: else if (data->percentage != -1) {
179: if (type == LAYOUT_TOPBOTTOM)
180: size = (dst_wp->sy * data->percentage) / 100;
181: else
182: size = (dst_wp->sx * data->percentage) / 100;
183: }
184:
185: if ((lc = layout_split_pane(dst_wp, type, size)) == NULL) {
186: ctx->error(ctx, "create pane failed: pane too small");
187: return (-1);
188: }
189:
190: layout_close_pane(src_wp);
191:
192: if (src_w->active == src_wp) {
193: src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
194: if (src_w->active == NULL)
195: src_w->active = TAILQ_NEXT(src_wp, entry);
196: }
197: TAILQ_REMOVE(&src_w->panes, src_wp, entry);
198:
199: if (window_count_panes(src_w) == 0)
200: server_kill_window(src_w);
201:
202: src_wp->window = dst_w;
203: TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
204: layout_assign_pane(lc, src_wp);
205:
206: recalculate_sizes();
207:
208: server_redraw_window(src_w);
209: server_redraw_window(dst_w);
210:
211: if (!data->flag_detached) {
212: window_set_active_pane(dst_w, src_wp);
213: session_select(dst_s, dst_wl->idx);
214: server_redraw_session(dst_s);
215: } else
216: server_status_session(dst_s);
217:
218: return (0);
219: }
220:
221: void
222: cmd_join_pane_free(struct cmd *self)
223: {
224: struct cmd_join_pane_data *data = self->data;
225:
226: if (data->src != NULL)
227: xfree(data->src);
228: if (data->dst != NULL)
229: xfree(data->dst);
230: xfree(data);
231: }
232:
233: size_t
234: cmd_join_pane_print(struct cmd *self, char *buf, size_t len)
235: {
236: struct cmd_join_pane_data *data = self->data;
237: size_t off = 0;
238:
239: off += xsnprintf(buf, len, "%s", self->entry->name);
240: if (data == NULL)
241: return (off);
242: if (off < len && data->flag_detached)
243: off += xsnprintf(buf + off, len - off, " -d");
244: if (off < len && data->flag_horizontal)
245: off += xsnprintf(buf + off, len - off, " -h");
246: if (off < len && data->size > 0)
247: off += xsnprintf(buf + off, len - off, " -l %d", data->size);
248: if (off < len && data->percentage > 0) {
249: off += xsnprintf(
250: buf + off, len - off, " -p %d", data->percentage);
251: }
252: if (off < len && data->src != NULL)
253: off += cmd_prarg(buf + off, len - off, " -s ", data->src);
254: if (off < len && data->dst != NULL)
255: off += cmd_prarg(buf + off, len - off, " -t ", data->dst);
256: return (off);
257: }