xref: /dragonfly/usr.bin/window/lcmd1.c (revision 2e3ed54d)
1 /*
2  * Copyright (c) 1983, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Edward Wang at The University of California, Berkeley.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * @(#)lcmd1.c	8.1 (Berkeley) 6/6/93
37  * $FreeBSD: src/usr.bin/window/lcmd1.c,v 1.2.6.2 2001/05/17 09:45:00 obrien Exp $
38  * $DragonFly: src/usr.bin/window/lcmd1.c,v 1.4 2005/04/15 17:55:29 drhodus Exp $
39  */
40 
41 #include "defs.h"
42 #include <string.h> /* System string definitions. */
43 #include "mystring.h" /* Local string definitions. */
44 #include "value.h"
45 #include "lcmd.h"
46 #include "var.h"
47 
48 struct lcmd_arg arg_window[] = {
49 	{ "row",	1,	ARG_NUM },
50 	{ "column",	1,	ARG_NUM },
51 	{ "nrows",	2,	ARG_NUM },
52 	{ "ncols",	2,	ARG_NUM },
53 	{ "nlines",	2,	ARG_NUM },
54 	{ "label",	1,	ARG_STR },
55 	{ "pty",	1,	ARG_ANY },
56 	{ "frame",	1,	ARG_ANY },
57 	{ "mapnl",	1,	ARG_ANY },
58 	{ "keepopen",	1,	ARG_ANY },
59 	{ "smooth",	1,	ARG_ANY },
60 	{ "shell",	1,	ARG_STR|ARG_LIST },
61 	0
62 };
63 
64 l_window(v, a)
65 struct value *v;
66 struct value *a;
67 {
68 	struct ww *w;
69 	int col, row, ncol, nrow, id, nline;
70 	char *label;
71 	char haspty, hasframe, mapnl, keepopen, smooth;
72 	char *shf, **sh;
73 	char *argv[sizeof default_shell / sizeof *default_shell];
74 	char **pp;
75 
76 	if ((id = findid()) < 0)
77 		return;
78 	row = a->v_type == V_ERR ? 1 : a->v_num;
79 	a++;
80 	col = a->v_type == V_ERR ? 0 : a->v_num;
81 	a++;
82 	nrow = a->v_type == V_ERR ? wwnrow - row : a->v_num;
83 	a++;
84 	ncol = a->v_type == V_ERR ? wwncol - col : a->v_num;
85 	a++;
86 	nline = a->v_type == V_ERR ? default_nline : a->v_num;
87 	a++;
88 	label = a->v_type == V_ERR ? 0 : a->v_str;
89 	if ((haspty = vtobool(++a, 1, -1)) < 0)
90 		return;
91 	if ((hasframe = vtobool(++a, 1, -1)) < 0)
92 		return;
93 	if ((mapnl = vtobool(++a, !haspty, -1)) < 0)
94 		return;
95 	if ((keepopen = vtobool(++a, 0, -1)) < 0)
96 		return;
97 	if ((smooth = vtobool(++a, default_smooth, -1)) < 0)
98 		return;
99 	if ((++a)->v_type != V_ERR) {
100 		for (pp = argv; a->v_type != V_ERR &&
101 		     pp < &argv[sizeof argv/sizeof *argv-1]; pp++, a++)
102 			*pp = a->v_str;
103 		*pp = 0;
104 		shf = *(sh = argv);
105 		if (*sh = strrchr(shf, '/'))
106 			(*sh)++;
107 		else
108 			*sh = shf;
109 	} else {
110 		sh = default_shell;
111 		shf = default_shellfile;
112 	}
113 	if ((w = openwin(id, row, col, nrow, ncol, nline, label, haspty,
114 	    hasframe, shf, sh)) == 0)
115 		return;
116 	w->ww_mapnl = mapnl;
117 	w->ww_keepopen = keepopen;
118 	w->ww_noupdate = !smooth;
119 	v->v_type = V_NUM;
120 	v->v_num = id + 1;
121 }
122 
123 struct lcmd_arg arg_def_nline[] = {
124 	{ "nlines",	1,	ARG_NUM },
125 	0
126 };
127 
128 l_def_nline(v, a)
129 struct value *v, *a;
130 {
131 	v->v_num = default_nline;
132 	v->v_type = V_NUM;
133 	if (a->v_type != V_ERR)
134 		default_nline = a->v_num;
135 }
136 
137 struct lcmd_arg arg_smooth[] = {
138 	{ "window",	1,	ARG_NUM },
139 	{ "flag",	1,	ARG_ANY },
140 	0
141 };
142 
143 l_smooth(v, a)
144 struct value *v, *a;
145 {
146 	struct ww *w;
147 
148 	v->v_type = V_NUM;
149 	v->v_num = 0;
150 	if ((w = vtowin(a++, selwin)) == 0)
151 		return;
152 	v->v_num = !w->ww_noupdate;
153 	w->ww_noupdate = !vtobool(a, v->v_num, v->v_num);
154 }
155 
156 struct lcmd_arg arg_def_smooth[] = {
157 	{ "flag",	1,	ARG_ANY },
158 	0
159 };
160 
161 l_def_smooth(v, a)
162 struct value *v, *a;
163 {
164 	v->v_type = V_NUM;
165 	v->v_num = default_smooth;
166 	default_smooth = vtobool(a, v->v_num, v->v_num);
167 }
168 
169 struct lcmd_arg arg_select[] = {
170 	{ "window",	1,	ARG_NUM },
171 	0
172 };
173 
174 l_select(v, a)
175 struct value *v, *a;
176 {
177 	struct ww *w;
178 
179 	v->v_type = V_NUM;
180 	v->v_num = selwin ? selwin->ww_id + 1 : -1;
181 	if (a->v_type == V_ERR)
182 		return;
183 	if ((w = vtowin(a, (struct ww *)0)) == 0)
184 		return;
185 	setselwin(w);
186 }
187 
188 struct lcmd_arg arg_debug[] = {
189 	{ "flag",	1,	ARG_ANY },
190 	0
191 };
192 
193 l_debug(v, a)
194 struct value *v, *a;
195 {
196 	v->v_type = V_NUM;
197 	v->v_num = debug;
198 	debug = vtobool(a, debug, debug);
199 }
200 
201 struct lcmd_arg arg_escape[] = {
202 	{ "escapec",	1,	ARG_STR },
203 	0
204 };
205 
206 l_escape(v, a)
207 struct value *v, *a;
208 {
209 	char buf[2];
210 
211 	buf[0] = escapec;
212 	buf[1] = 0;
213 	if ((v->v_str = str_cpy(buf)) == 0) {
214 		error("Out of memory.");
215 		return;
216 	}
217 	v->v_type = V_STR;
218 	if (a->v_type != V_ERR)
219 		setescape(a->v_str);
220 }
221 
222 struct lcmd_arg arg_label[] = {
223 	{ "window",	1,	ARG_NUM },
224 	{ "label",	1,	ARG_STR },
225 	0
226 };
227 
228 /*ARGSUSED*/
229 l_label(v, a)
230 struct value *v;
231 struct value *a;
232 {
233 	struct ww *w;
234 
235 	if ((w = vtowin(a, selwin)) == 0)
236 		return;
237 	if ((++a)->v_type != V_ERR && setlabel(w, a->v_str) < 0)
238 		error("Out of memory.");
239 	reframe();
240 }
241 
242 struct lcmd_arg arg_foreground[] = {
243 	{ "window",	1,	ARG_NUM },
244 	{ "flag",	1,	ARG_ANY },
245 	0
246 };
247 
248 l_foreground(v, a)
249 struct value *v, *a;
250 {
251 	struct ww *w;
252 	char flag;
253 
254 	if ((w = vtowin(a, selwin)) == 0)
255 		return;
256 	v->v_type = V_NUM;
257 	v->v_num = isfg(w);
258 	flag = vtobool(++a, v->v_num, v->v_num);
259 	if (flag == v->v_num)
260 		return;
261 	deletewin(w);
262 	addwin(w, flag);
263 	reframe();
264 }
265 
266 struct lcmd_arg arg_terse[] = {
267 	{ "flag",	1,	ARG_ANY },
268 	0
269 };
270 
271 l_terse(v, a)
272 struct value *v, *a;
273 {
274 	v->v_type = V_NUM;
275 	v->v_num = terse;
276 	setterse(vtobool(a, terse, terse));
277 }
278 
279 struct lcmd_arg arg_source[] = {
280 	{ "filename",	1,	ARG_STR },
281 	0
282 };
283 
284 l_source(v, a)
285 struct value *v, *a;
286 {
287 	v->v_type = V_NUM;
288 	if (a->v_type != V_ERR && dosource(a->v_str) < 0) {
289 		error("Can't open %s.", a->v_str);
290 		v->v_num = -1;
291 	} else
292 		v->v_num = 0;
293 }
294 
295 struct lcmd_arg arg_write[] = {
296 	{ "window",	1,	ARG_NUM },
297 	{ "",		0,	ARG_ANY|ARG_LIST },
298 	0
299 };
300 
301 /*ARGSUSED*/
302 l_write(v, a)
303 struct value *v;
304 struct value *a;
305 {
306 	char buf[20];
307 	struct ww *w;
308 
309 	if ((w = vtowin(a++, selwin)) == 0)
310 		return;
311 	while (a->v_type != V_ERR) {
312 		if (a->v_type == V_NUM) {
313 			(void) sprintf(buf, "%d", a->v_num);
314 			(void) write(w->ww_pty, buf, strlen(buf));
315 		} else
316 			(void) write(w->ww_pty, a->v_str, strlen(a->v_str));
317 		if ((++a)->v_type != V_ERR)
318 			(void) write(w->ww_pty, " ", 1);
319 	}
320 }
321 
322 struct lcmd_arg arg_close[] = {
323 	{ "window",	1,	ARG_ANY|ARG_LIST },
324 	0
325 };
326 
327 /*ARGSUSED*/
328 l_close(v, a)
329 struct value *v;
330 struct value *a;
331 {
332 	struct ww *w;
333 
334 	if (a->v_type == V_STR && str_match(a->v_str, "all", 3))
335 		closewin((struct ww *)0);
336 	else
337 		for (; a->v_type != V_ERR; a++)
338 			if ((w = vtowin(a, (struct ww *)0)) != 0)
339 				closewin(w);
340 }
341 
342 struct lcmd_arg arg_cursormodes[] = {
343 	{ "modes",	1,	ARG_NUM },
344 	0
345 };
346 
347 l_cursormodes(v, a)
348 struct value *v, *a;
349 {
350 
351 	v->v_type = V_NUM;
352 	v->v_num = wwcursormodes;
353 	if (a->v_type != V_ERR)
354 		wwsetcursormodes(a->v_num);
355 }
356 
357 struct lcmd_arg arg_unset[] = {
358 	{ "variable",	1,	ARG_ANY },
359 	0
360 };
361 
362 l_unset(v, a)
363 struct value *v, *a;
364 {
365 	v->v_type = V_NUM;
366 	switch (a->v_type) {
367 	case V_ERR:
368 		v->v_num = -1;
369 		return;
370 	case V_NUM:
371 		if ((a->v_str = str_itoa(a->v_num)) == 0) {
372 			error("Out of memory.");
373 			v->v_num = -1;
374 			return;
375 		}
376 		a->v_type = V_STR;
377 		break;
378 	}
379 	v->v_num = var_unset(a->v_str);
380 }
381 
382 struct ww *
383 vtowin(v, w)
384 struct value *v;
385 struct ww *w;
386 {
387 	switch (v->v_type) {
388 	case V_ERR:
389 		if (w != 0)
390 			return w;
391 		error("No window specified.");
392 		return 0;
393 	case V_STR:
394 		error("%s: No such window.", v->v_str);
395 		return 0;
396 	}
397 	if (v->v_num < 1 || v->v_num > NWINDOW
398 	    || (w = window[v->v_num - 1]) == 0) {
399 		error("%d: No such window.", v->v_num);
400 		return 0;
401 	}
402 	return w;
403 }
404 
405 vtobool(v, def, err)
406 struct value *v;
407 char def, err;
408 {
409 	switch (v->v_type) {
410 	case V_NUM:
411 		return v->v_num != 0;
412 	case V_STR:
413 		if (str_match(v->v_str, "true", 1)
414 		    || str_match(v->v_str, "on", 2)
415 		    || str_match(v->v_str, "yes", 1))
416 			return 1;
417 		else if (str_match(v->v_str, "false", 1)
418 		    || str_match(v->v_str, "off", 2)
419 		    || str_match(v->v_str, "no", 1))
420 			return 0;
421 		else {
422 			error("%s: Illegal boolean value.", v->v_str);
423 			return err;
424 		}
425 		/*NOTREACHED*/
426 	case V_ERR:
427 		return def;
428 	}
429 	/*NOTREACHED*/
430 }
431