cmd-display-panes.c revision 1.1.1.12 
1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
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 <stdlib.h>
22#include <string.h>
23
24#include "tmux.h"
25
26/*
27 * Display panes on a client.
28 */
29
30static enum cmd_retval	cmd_display_panes_exec(struct cmd *,
31			    struct cmdq_item *);
32
33const struct cmd_entry cmd_display_panes_entry = {
34	.name = "display-panes",
35	.alias = "displayp",
36
37	.args = { "bd:Nt:", 0, 1 },
38	.usage = "[-bN] [-d duration] " CMD_TARGET_CLIENT_USAGE " [template]",
39
40	.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
41	.exec = cmd_display_panes_exec
42};
43
44struct cmd_display_panes_data {
45	struct cmdq_item	*item;
46	char			*command;
47};
48
49static void
50cmd_display_panes_draw_pane(struct screen_redraw_ctx *ctx,
51    struct window_pane *wp)
52{
53	struct client		*c = ctx->c;
54	struct tty		*tty = &c->tty;
55	struct session		*s = c->session;
56	struct options		*oo = s->options;
57	struct window		*w = wp->window;
58	struct grid_cell	 fgc, bgc;
59	u_int			 pane, idx, px, py, i, j, xoff, yoff, sx, sy;
60	int			 colour, active_colour;
61	char			 buf[16], lbuf[16], rbuf[16], *ptr;
62	size_t			 len, llen, rlen;
63
64	if (wp->xoff + wp->sx <= ctx->ox ||
65	    wp->xoff >= ctx->ox + ctx->sx ||
66	    wp->yoff + wp->sy <= ctx->oy ||
67	    wp->yoff >= ctx->oy + ctx->sy)
68		return;
69
70	if (wp->xoff >= ctx->ox && wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
71		/* All visible. */
72		xoff = wp->xoff - ctx->ox;
73		sx = wp->sx;
74	} else if (wp->xoff < ctx->ox &&
75	    wp->xoff + wp->sx > ctx->ox + ctx->sx) {
76		/* Both left and right not visible. */
77		xoff = 0;
78		sx = ctx->sx;
79	} else if (wp->xoff < ctx->ox) {
80		/* Left not visible. */
81		xoff = 0;
82		sx = wp->sx - (ctx->ox - wp->xoff);
83	} else {
84		/* Right not visible. */
85		xoff = wp->xoff - ctx->ox;
86		sx = wp->sx - xoff;
87	}
88	if (wp->yoff >= ctx->oy && wp->yoff + wp->sy <= ctx->oy + ctx->sy) {
89		/* All visible. */
90		yoff = wp->yoff - ctx->oy;
91		sy = wp->sy;
92	} else if (wp->yoff < ctx->oy &&
93	    wp->yoff + wp->sy > ctx->oy + ctx->sy) {
94		/* Both top and bottom not visible. */
95		yoff = 0;
96		sy = ctx->sy;
97	} else if (wp->yoff < ctx->oy) {
98		/* Top not visible. */
99		yoff = 0;
100		sy = wp->sy - (ctx->oy - wp->yoff);
101	} else {
102		/* Bottom not visible. */
103		yoff = wp->yoff - ctx->oy;
104		sy = wp->sy - yoff;
105	}
106
107	if (ctx->statustop)
108		yoff += ctx->statuslines;
109	px = sx / 2;
110	py = sy / 2;
111
112	if (window_pane_index(wp, &pane) != 0)
113		fatalx("index not found");
114	len = xsnprintf(buf, sizeof buf, "%u", pane);
115
116	if (sx < len)
117		return;
118	colour = options_get_number(oo, "display-panes-colour");
119	active_colour = options_get_number(oo, "display-panes-active-colour");
120
121	memcpy(&fgc, &grid_default_cell, sizeof fgc);
122	memcpy(&bgc, &grid_default_cell, sizeof bgc);
123	if (w->active == wp) {
124		fgc.fg = active_colour;
125		bgc.bg = active_colour;
126	} else {
127		fgc.fg = colour;
128		bgc.bg = colour;
129	}
130
131	rlen = xsnprintf(rbuf, sizeof rbuf, "%ux%u", wp->sx, wp->sy);
132	if (pane > 9 && pane < 35)
133		llen = xsnprintf(lbuf, sizeof lbuf, "%c", 'a' + (pane - 10));
134	else
135		llen = 0;
136
137	if (sx < len * 6 || sy < 5) {
138		tty_attributes(tty, &fgc, &grid_default_cell, NULL);
139		if (sx >= len + llen + 1) {
140			len += llen + 1;
141			tty_cursor(tty, xoff + px - len / 2, yoff + py);
142			tty_putn(tty, buf, len,  len);
143			tty_putn(tty, " ", 1, 1);
144			tty_putn(tty, lbuf, llen, llen);
145		} else {
146			tty_cursor(tty, xoff + px - len / 2, yoff + py);
147			tty_putn(tty, buf, len, len);
148		}
149		goto out;
150	}
151
152	px -= len * 3;
153	py -= 2;
154
155	tty_attributes(tty, &bgc, &grid_default_cell, NULL);
156	for (ptr = buf; *ptr != '\0'; ptr++) {
157		if (*ptr < '0' || *ptr > '9')
158			continue;
159		idx = *ptr - '0';
160
161		for (j = 0; j < 5; j++) {
162			for (i = px; i < px + 5; i++) {
163				tty_cursor(tty, xoff + i, yoff + py + j);
164				if (window_clock_table[idx][j][i - px])
165					tty_putc(tty, ' ');
166			}
167		}
168		px += 6;
169	}
170
171	if (sy <= 6)
172		goto out;
173	tty_attributes(tty, &fgc, &grid_default_cell, NULL);
174	if (rlen != 0 && sx >= rlen) {
175		tty_cursor(tty, xoff + sx - rlen, yoff);
176		tty_putn(tty, rbuf, rlen, rlen);
177	}
178	if (llen != 0) {
179		tty_cursor(tty, xoff + sx / 2 + len * 3 - llen - 1,
180		    yoff + py + 5);
181		tty_putn(tty, lbuf, llen, llen);
182	}
183
184out:
185	tty_cursor(tty, 0, 0);
186}
187
188static void
189cmd_display_panes_draw(struct client *c, struct screen_redraw_ctx *ctx)
190{
191	struct window		*w = c->session->curw->window;
192	struct window_pane	*wp;
193
194	log_debug("%s: %s @%u", __func__, c->name, w->id);
195
196	TAILQ_FOREACH(wp, &w->panes, entry) {
197		if (window_pane_visible(wp))
198			cmd_display_panes_draw_pane(ctx, wp);
199	}
200}
201
202static void
203cmd_display_panes_free(struct client *c)
204{
205	struct cmd_display_panes_data	*cdata = c->overlay_data;
206
207	if (cdata->item != NULL)
208		cmdq_continue(cdata->item);
209	free(cdata->command);
210	free(cdata);
211}
212
213static int
214cmd_display_panes_key(struct client *c, struct key_event *event)
215{
216	struct cmd_display_panes_data	*cdata = c->overlay_data;
217	char				*cmd, *expanded, *error;
218	struct window			*w = c->session->curw->window;
219	struct window_pane		*wp;
220	enum cmd_parse_status		 status;
221	u_int				 index;
222	key_code			 key;
223
224	if (event->key >= '0' && event->key <= '9')
225		index = event->key - '0';
226	else if ((event->key & KEYC_MASK_MODIFIERS) == 0) {
227		key = (event->key & KEYC_MASK_KEY);
228		if (key >= 'a' && key <= 'z')
229			index = 10 + (key - 'a');
230		else
231			return (-1);
232	} else
233		return (-1);
234
235	wp = window_pane_at_index(w, index);
236	if (wp == NULL)
237		return (1);
238	window_unzoom(w);
239
240	xasprintf(&expanded, "%%%u", wp->id);
241	cmd = cmd_template_replace(cdata->command, expanded, 1);
242
243	status = cmd_parse_and_append(cmd, NULL, c, NULL, &error);
244	if (status == CMD_PARSE_ERROR) {
245		cmdq_append(c, cmdq_get_error(error));
246		free(error);
247	}
248
249	free(cmd);
250	free(expanded);
251	return (1);
252}
253
254static enum cmd_retval
255cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
256{
257	struct args			*args = cmd_get_args(self);
258	struct client			*tc = cmdq_get_target_client(item);
259	struct session			*s = tc->session;
260	u_int		 		 delay;
261	char				*cause;
262	struct cmd_display_panes_data	*cdata;
263
264	if (tc->overlay_draw != NULL)
265		return (CMD_RETURN_NORMAL);
266
267	if (args_has(args, 'd')) {
268		delay = args_strtonum(args, 'd', 0, UINT_MAX, &cause);
269		if (cause != NULL) {
270			cmdq_error(item, "delay %s", cause);
271			free(cause);
272			return (CMD_RETURN_ERROR);
273		}
274	} else
275		delay = options_get_number(s->options, "display-panes-time");
276
277	cdata = xmalloc(sizeof *cdata);
278	if (args->argc != 0)
279		cdata->command = xstrdup(args->argv[0]);
280	else
281		cdata->command = xstrdup("select-pane -t '%%'");
282	if (args_has(args, 'b'))
283		cdata->item = NULL;
284	else
285		cdata->item = item;
286
287	if (args_has(args, 'N')) {
288		server_client_set_overlay(tc, delay, NULL, NULL,
289		    cmd_display_panes_draw, NULL, cmd_display_panes_free,
290		    cdata);
291	} else {
292		server_client_set_overlay(tc, delay, NULL, NULL,
293		    cmd_display_panes_draw, cmd_display_panes_key,
294		    cmd_display_panes_free, cdata);
295	}
296
297	if (args_has(args, 'b'))
298		return (CMD_RETURN_NORMAL);
299	return (CMD_RETURN_WAIT);
300}
301