xref: /dragonfly/usr.bin/window/lcmd1.c (revision 768af85b)
1 /*	$NetBSD: lcmd1.c,v 1.11 2006/12/18 20:04:55 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Edward Wang at The University of California, Berkeley.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/cdefs.h>
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)lcmd1.c	8.1 (Berkeley) 6/6/93";
39 #else
40 __RCSID("$NetBSD: lcmd1.c,v 1.11 2006/12/18 20:04:55 christos Exp $");
41 #endif
42 #endif /* not lint */
43 
44 #include <string.h>
45 #include <unistd.h>
46 #include "defs.h"
47 #include "window_string.h"
48 #include "lcmd.h"
49 #include "var.h"
50 
51 char	vtobool(struct value *, char, char);
52 
53 struct lcmd_arg arg_window[] = {
54 	{ "row",	1,	ARG_NUM },
55 	{ "column",	1,	ARG_NUM },
56 	{ "nrows",	2,	ARG_NUM },
57 	{ "ncols",	2,	ARG_NUM },
58 	{ "nlines",	2,	ARG_NUM },
59 	{ "label",	1,	ARG_STR },
60 	{ "pty",	1,	ARG_ANY },
61 	{ "frame",	1,	ARG_ANY },
62 	{ "mapnl",	1,	ARG_ANY },
63 	{ "keepopen",	1,	ARG_ANY },
64 	{ "smooth",	1,	ARG_ANY },
65 	{ "shell",	1,	ARG_STR|ARG_LIST },
66 	{ NULL,		0,	0 }
67 };
68 
69 void
70 l_window(struct value *v, struct value *a)
71 {
72 	struct ww *w;
73 	int col, row, ncol, nrow, id, nline;
74 	char *label;
75 	int haspty, hasframe, mapnl, keepopen, smooth;
76 	char *shf, **sh;
77 	char *argv[sizeof default_shell / sizeof *default_shell];
78 	char **pp;
79 
80 	if ((id = findid()) < 0)
81 		return;
82 	row = a->v_type == V_ERR ? 1 : a->v_num;
83 	a++;
84 	col = a->v_type == V_ERR ? 0 : a->v_num;
85 	a++;
86 	nrow = a->v_type == V_ERR ? wwnrow - row : a->v_num;
87 	a++;
88 	ncol = a->v_type == V_ERR ? wwncol - col : a->v_num;
89 	a++;
90 	nline = a->v_type == V_ERR ? default_nline : a->v_num;
91 	a++;
92 	label = a->v_type == V_ERR ? 0 : a->v_str;
93 	if ((haspty = vtobool(++a, 1, -1)) < 0)
94 		return;
95 	if ((hasframe = vtobool(++a, 1, -1)) < 0)
96 		return;
97 	if ((mapnl = vtobool(++a, !haspty, -1)) < 0)
98 		return;
99 	if ((keepopen = vtobool(++a, 0, -1)) < 0)
100 		return;
101 	if ((smooth = vtobool(++a, default_smooth, -1)) < 0)
102 		return;
103 	if ((++a)->v_type != V_ERR) {
104 		for (pp = argv; a->v_type != V_ERR &&
105 		     pp < &argv[sizeof argv/sizeof *argv-1]; pp++, a++)
106 			*pp = a->v_str;
107 		*pp = 0;
108 		shf = *(sh = argv);
109 		if ((*sh = strrchr(shf, '/')))
110 			(*sh)++;
111 		else
112 			*sh = shf;
113 	} else {
114 		sh = default_shell;
115 		shf = default_shellfile;
116 	}
117 	if ((w = openwin(id, row, col, nrow, ncol, nline, label,
118 	    haspty ? WWT_PTY : WWT_SOCKET, hasframe ? WWU_HASFRAME : 0, shf,
119 	    sh)) == 0)
120 		return;
121 	if (mapnl)
122 		SET(w->ww_wflags, WWW_MAPNL);
123 	else
124 		CLR(w->ww_wflags, WWW_MAPNL);
125 	if (keepopen)
126 		SET(w->ww_uflags, WWU_KEEPOPEN);
127 	else
128 		CLR(w->ww_uflags, WWU_KEEPOPEN);
129 	if (!smooth)
130 		SET(w->ww_wflags, WWW_NOUPDATE);
131 	else
132 		CLR(w->ww_wflags, WWW_NOUPDATE);
133 	v->v_type = V_NUM;
134 	v->v_num = id + 1;
135 }
136 
137 struct lcmd_arg arg_def_nline[] = {
138 	{ "nlines",	1,	ARG_NUM },
139 	{ NULL,		0,	0 }
140 };
141 
142 void
143 l_def_nline(struct value *v, struct value *a)
144 {
145 	v->v_num = default_nline;
146 	v->v_type = V_NUM;
147 	if (a->v_type != V_ERR)
148 		default_nline = a->v_num;
149 }
150 
151 struct lcmd_arg arg_smooth[] = {
152 	{ "window",	1,	ARG_NUM },
153 	{ "flag",	1,	ARG_ANY },
154 	{ NULL,		0,	0 }
155 };
156 
157 void
158 l_smooth(struct value *v, struct value *a)
159 {
160 	struct ww *w;
161 
162 	v->v_type = V_NUM;
163 	v->v_num = 0;
164 	if ((w = vtowin(a++, selwin)) == 0)
165 		return;
166 	v->v_num = ISSET(w->ww_wflags, WWW_NOUPDATE) == 0;
167 	if (!vtobool(a, v->v_num, v->v_num))
168 		SET(w->ww_wflags, WWW_NOUPDATE);
169 	else
170 		CLR(w->ww_wflags, WWW_NOUPDATE);
171 }
172 
173 struct lcmd_arg arg_def_smooth[] = {
174 	{ "flag",	1,	ARG_ANY },
175 	{ NULL,		0,	0 }
176 };
177 
178 void
179 l_def_smooth(struct value *v, struct value *a)
180 {
181 	v->v_type = V_NUM;
182 	v->v_num = default_smooth;
183 	default_smooth = vtobool(a, v->v_num, v->v_num);
184 }
185 
186 struct lcmd_arg arg_select[] = {
187 	{ "window",	1,	ARG_NUM },
188 	{ NULL,		0,	0 }
189 };
190 
191 void
192 l_select(struct value *v, struct value *a)
193 {
194 	struct ww *w;
195 
196 	v->v_type = V_NUM;
197 	v->v_num = selwin ? selwin->ww_id + 1 : -1;
198 	if (a->v_type == V_ERR)
199 		return;
200 	if ((w = vtowin(a, (struct ww *)0)) == 0)
201 		return;
202 	setselwin(w);
203 }
204 
205 struct lcmd_arg arg_debug[] = {
206 	{ "flag",	1,	ARG_ANY },
207 	{ NULL,		0,	0 }
208 };
209 
210 void
211 l_debug(struct value *v, struct value *a)
212 {
213 	v->v_type = V_NUM;
214 	v->v_num = debug;
215 	debug = vtobool(a, debug, debug);
216 }
217 
218 struct lcmd_arg arg_escape[] = {
219 	{ "escapec",	1,	ARG_STR },
220 	{ NULL,		0,	0 }
221 };
222 
223 void
224 l_escape(struct value *v, struct value *a)
225 {
226 	char buf[2];
227 
228 	buf[0] = escapec;
229 	buf[1] = 0;
230 	if ((v->v_str = str_cpy(buf)) == 0) {
231 		error("Out of memory.");
232 		return;
233 	}
234 	v->v_type = V_STR;
235 	if (a->v_type != V_ERR)
236 		setescape(a->v_str);
237 }
238 
239 struct lcmd_arg arg_label[] = {
240 	{ "window",	1,	ARG_NUM },
241 	{ "label",	1,	ARG_STR },
242 	{ NULL,		0,	0 }
243 };
244 
245 void
246 l_label(struct value *v __unused, struct value *a)
247 {
248 	struct ww *w;
249 
250 	if ((w = vtowin(a, selwin)) == 0)
251 		return;
252 	if ((++a)->v_type != V_ERR && setlabel(w, a->v_str) < 0)
253 		error("Out of memory.");
254 	reframe();
255 }
256 
257 struct lcmd_arg arg_foreground[] = {
258 	{ "window",	1,	ARG_NUM },
259 	{ "flag",	1,	ARG_ANY },
260 	{ NULL,		0,	0 }
261 };
262 
263 void
264 l_foreground(struct value *v, struct value *a)
265 {
266 	struct ww *w;
267 	char flag;
268 
269 	if ((w = vtowin(a, selwin)) == 0)
270 		return;
271 	v->v_type = V_NUM;
272 	v->v_num = isfg(w);
273 	flag = vtobool(++a, v->v_num, v->v_num);
274 	if (flag == v->v_num)
275 		return;
276 	deletewin(w);
277 	addwin(w, flag);
278 	reframe();
279 }
280 
281 struct lcmd_arg arg_terse[] = {
282 	{ "flag",	1,	ARG_ANY },
283 	{ NULL,		0,	0 }
284 };
285 
286 void
287 l_terse(struct value *v, struct value *a)
288 {
289 	v->v_type = V_NUM;
290 	v->v_num = terse;
291 	setterse(vtobool(a, terse, terse));
292 }
293 
294 struct lcmd_arg arg_source[] = {
295 	{ "filename",	1,	ARG_STR },
296 	{ NULL,		0,	0 }
297 };
298 
299 void
300 l_source(struct value *v, struct value *a)
301 {
302 	v->v_type = V_NUM;
303 	if (a->v_type != V_ERR && dosource(a->v_str) < 0) {
304 		error("Can't open %s.", a->v_str);
305 		v->v_num = -1;
306 	} else
307 		v->v_num = 0;
308 }
309 
310 struct lcmd_arg arg_write[] = {
311 	{ "window",	1,	ARG_NUM },
312 	{ "",		0,	ARG_ANY|ARG_LIST },
313 	{ NULL,		0,	0 }
314 };
315 
316 void
317 l_write(struct value *v __unused, struct value *a)
318 {
319 	char buf[20];
320 	struct ww *w;
321 
322 	if ((w = vtowin(a++, selwin)) == 0)
323 		return;
324 	while (a->v_type != V_ERR) {
325 		if (a->v_type == V_NUM) {
326 			(void) sprintf(buf, "%d", a->v_num);
327 			(void) write(w->ww_pty, buf, strlen(buf));
328 		} else
329 			(void) write(w->ww_pty, a->v_str, strlen(a->v_str));
330 		if ((++a)->v_type != V_ERR)
331 			(void) write(w->ww_pty, " ", 1);
332 	}
333 }
334 
335 struct lcmd_arg arg_close[] = {
336 	{ "window",	1,	ARG_ANY|ARG_LIST },
337 	{ NULL,		0,	0 }
338 };
339 
340 void
341 l_close(struct value *v __unused, struct value *a)
342 {
343 	struct ww *w;
344 
345 	if (a->v_type == V_STR && str_match(a->v_str, "all", 3))
346 		closewin((struct ww *)0);
347 	else
348 		for (; a->v_type != V_ERR; a++)
349 			if ((w = vtowin(a, (struct ww *)0)) != 0)
350 				closewin(w);
351 }
352 
353 struct lcmd_arg arg_cursormodes[] = {
354 	{ "modes",	1,	ARG_NUM },
355 	{ NULL,		0,	0 }
356 };
357 
358 void
359 l_cursormodes(struct value *v, struct value *a)
360 {
361 
362 	v->v_type = V_NUM;
363 	v->v_num = wwcursormodes;
364 	if (a->v_type != V_ERR)
365 		wwsetcursormodes(a->v_num);
366 }
367 
368 struct lcmd_arg arg_unset[] = {
369 	{ "variable",	1,	ARG_ANY },
370 	{ NULL,		0,	0 }
371 };
372 
373 void
374 l_unset(struct value *v, struct value *a)
375 {
376 	v->v_type = V_NUM;
377 	switch (a->v_type) {
378 	case V_ERR:
379 		v->v_num = -1;
380 		return;
381 	case V_NUM:
382 		if ((a->v_str = str_itoa(a->v_num)) == 0) {
383 			error("Out of memory.");
384 			v->v_num = -1;
385 			return;
386 		}
387 		a->v_type = V_STR;
388 		break;
389 	}
390 	v->v_num = var_unset(a->v_str);
391 }
392 
393 struct ww *
394 vtowin(struct value *v, struct ww *w)
395 {
396 	switch (v->v_type) {
397 	case V_ERR:
398 		if (w != 0)
399 			return w;
400 		error("No window specified.");
401 		return 0;
402 	case V_STR:
403 		error("%s: No such window.", v->v_str);
404 		return 0;
405 	}
406 	if (v->v_num < 1 || v->v_num > NWINDOW
407 	    || (w = window[v->v_num - 1]) == 0) {
408 		error("%d: No such window.", v->v_num);
409 		return 0;
410 	}
411 	return w;
412 }
413 
414 char
415 vtobool(struct value *v, char def, char err)
416 {
417 	switch (v->v_type) {
418 	case V_NUM:
419 		return v->v_num != 0;
420 	case V_STR:
421 		if (str_match(v->v_str, "true", 1)
422 		    || str_match(v->v_str, "on", 2)
423 		    || str_match(v->v_str, "yes", 1))
424 			return 1;
425 		else if (str_match(v->v_str, "false", 1)
426 		    || str_match(v->v_str, "off", 2)
427 		    || str_match(v->v_str, "no", 1))
428 			return 0;
429 		else {
430 			error("%s: Illegal boolean value.", v->v_str);
431 			return err;
432 		}
433 		/*NOTREACHED*/
434 	case V_ERR:
435 		return def;
436 	}
437 	/*NOTREACHED*/
438 	return (0);
439 }
440