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Date:: Tue Oct 9 05:03:25 2018 UTC
Message:: import variables from getopt.h
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1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>		/* strdup, strlen */
4 #include <ctype.h>		/* isalnum */
5 #include <locale.h>		/* setlocale */
6 #include <unistd.h>
7 #include <sysexits.h>
8 #include <limits.h>
9 #include <errno.h>
10 #include <unistd.h>
11 #include <stdint.h>
12 
13 #include <X11/Xlib.h>
14 #include <X11/Xutil.h>
15 #include <X11/Xresource.h>
16 #include <X11/Xcms.h>
17 #include <X11/keysym.h>
18 
19 #ifdef USE_XINERAMA
20 # include <X11/extensions/Xinerama.h>
21 #endif
22 
23 #ifdef USE_XFT
24 # include <X11/Xft/Xft.h>
25 #endif
26 
27 #ifndef VERSION
28 # define VERSION "unknown"
29 #endif
30 
31 #define resname "MyMenu"
32 #define resclass "mymenu"
33 
34 #define SYM_BUF_SIZE 4
35 
36 #ifdef USE_XFT
37 # define default_fontname "monospace"
38 #else
39 # define default_fontname "fixed"
40 #endif
41 
42 #define ARGS "Aahmve:p:P:l:f:W:H:x:y:b:B:t:T:c:C:s:S:d:"
43 
44 #define MIN(a, b) ((a) < (b) ? (a) : (b))
45 #define MAX(a, b) ((a) > (b) ? (a) : (b))
46 
47 #define EXPANDBITS(x)   ((0xffff * x) / 0xff)
48 
49 /*
50  * If we don't have or we don't want an "ignore case" completion
51  * style, fall back to `strstr(3)`
52  */
53 #ifndef USE_STRCASESTR
54 # define strcasestr strstr
55 #endif
56 
57 /* The number of char to read */
58 #define STDIN_CHUNKS 128
59 
60 /* The number of lines to allocate in advance */
61 #define LINES_CHUNK 64
62 
63 /* Abort on NULL */
64 #define check_allocation(a) {				\
65     if (a == NULL) {					\
66       fprintf(stderr, "Could not allocate memory\n");	\
67       abort();						\
68     }							\
69   }
70 
71 #define inner_height(r) (r->height - r->border_n - r->border_s)
72 #define inner_width(r)  (r->width  - r->border_e - r->border_w)
73 
74 /* The states of the event loop */
75 enum state {LOOPING, OK_LOOP, OK, ERR};
76 
77 /* 
78  * For the drawing-related function. The text to be rendere could be
79  * the prompt, a completion or a highlighted completion
80  */
81 enum text_type {PROMPT, COMPL, COMPL_HIGH};
82 
83 /* These are the possible action to be performed after user input. */
84 enum action {
85 	EXIT,
86 	CONFIRM,
87 	CONFIRM_CONTINUE,
88 	NEXT_COMPL,
89 	PREV_COMPL,
90 	DEL_CHAR,
91 	DEL_WORD,
92 	DEL_LINE,
93 	ADD_CHAR,
94 	TOGGLE_FIRST_SELECTED
95 };
96 
97 /* A big set of values that needs to be carried around for drawing. A
98 big struct to rule them all */
99 struct rendering {
100 	Display		*d;	/* Connection to xorg */
101 	Window		w;
102 	int		width;
103 	int		height;
104 	int		padding;
105 	int		x_zero; /* the "zero" on the x axis (may not be exactly 0 'cause the borders) */
106 	int		y_zero; /* like x_zero but for the y axis */
107 
108 	size_t		offset; /* scroll offset */
109 
110 	short		free_text;
111 	short		first_selected;
112 	short		multiple_select;
113 
114 	/* four border width */
115 	int		border_n;
116 	int		border_e;
117 	int		border_s;
118 	int		border_w;
119 
120 	short		horizontal_layout;
121 
122 	/* prompt */
123 	char		*ps1;
124 	int		ps1len;
125 	int		ps1w;	/* ps1 width */
126 	int		ps1h;	/* ps1 height */
127 
128 	XIC		xic;
129 
130 	/* colors */
131 	GC		prompt;
132 	GC		prompt_bg;
133 	GC		completion;
134 	GC		completion_bg;
135 	GC		completion_highlighted;
136 	GC		completion_highlighted_bg;
137 	GC		border_n_bg;
138 	GC		border_e_bg;
139 	GC		border_s_bg;
140 	GC		border_w_bg;
141 #ifdef USE_XFT
142 	XftFont		*font;
143 	XftDraw		*xftdraw;
144 	XftColor	xft_prompt;
145 	XftColor	xft_completion;
146 	XftColor	xft_completion_highlighted;
147 #else
148 	XFontSet	font;
149 #endif
150 };
151 
152 struct completion {
153 	char	*completion;
154 	char	*rcompletion;
155 };
156 
157 /* Wrap the linked list of completions */
158 struct completions {
159 	struct completion	*completions;
160 	ssize_t			selected;
161 	size_t			length;
162 };
163 
164 /* idea stolen from lemonbar. ty lemonboy */
165 typedef union {
166 	struct {
167 		uint8_t	b;
168 		uint8_t	g;
169 		uint8_t	r;
170 		uint8_t	a;
171 	} rgba;
172 	uint32_t	v;
173 } rgba_t;
174 
175 extern char	*optarg;
176 extern int	optind;
177 
178 /* Return a newly allocated (and empty) completion list */
179 struct completions *
180 compls_new(size_t length)
181 {
182 	struct completions *cs = malloc(sizeof(struct completions));
183 
184 	if (cs == NULL)
185 		return cs;
186 
187 	cs->completions = calloc(length, sizeof(struct completion));
188 	if (cs->completions == NULL) {
189 		free(cs);
190 		return NULL;
191 	}
192 
193 	cs->selected = -1;
194 	cs->length = length;
195 	return cs;
196 }
197 
198 /* Delete the wrapper and the whole list */
199 void
200 compls_delete(struct completions *cs)
201 {
202 	if (cs == NULL)
203 		return;
204 
205 	free(cs->completions);
206 	free(cs);
207 }
208 
209 /* 
210  * Create a completion list from a text and the list of possible
211  * completions (null terminated). Expects a non-null `cs'. `lines' and
212  * `vlines' should have the same length OR `vlines' is NULL.
213  */
214 void
215 filter(struct completions *cs, char *text, char **lines, char **vlines)
216 {
217 	size_t	index = 0;
218 	size_t	matching = 0;
219 	char	*l;
220 
221 	if (vlines == NULL)
222 		vlines = lines;
223 
224 	while (1) {
225 		if (lines[index] == NULL)
226 			break;
227 
228 		l = vlines[index] != NULL ? vlines[index] : lines[index];
229 
230 		if (strcasestr(l, text) != NULL) {
231 			struct completion *c = &cs->completions[matching];
232 			c->completion  = l;
233 			c->rcompletion = lines[index];
234 			matching++;
235 		}
236 
237 		index++;
238 	}
239 	cs->length = matching;
240 	cs->selected = -1;
241 }
242 
243 /* Update the given completion */
244 void
245 update_completions(struct completions *cs, char *text, char **lines, char **vlines, short first_selected)
246 {
247 	filter(cs, text, lines, vlines);
248 	if (first_selected && cs->length > 0)
249 		cs->selected = 0;
250 }
251 
252 /*
253  * Select the next or previous selection and update some state. `text'
254  * will be updated with the text of the completion and `textlen' with
255  * the new length. If the memory cannot be allocated `status' will be
256  * set to `ERR'.
257  */
258 void
259 complete(struct completions *cs, short first_selected, short p, char **text, int *textlen, enum state *status)
260 {
261 	struct completion	*n;
262 	int			index;
263 
264 	if (cs == NULL || cs->length == 0)
265 		return;
266 
267 	/*
268 	 * If the first is always selected and the first entry is
269 	 * different from the text, expand the text and return
270 	 */
271 	if (first_selected
272 	    && cs->selected == 0
273 	    && strcmp(cs->completions->completion, *text) != 0
274 	    && !p) {
275 		free(*text);
276 		*text = strdup(cs->completions->completion);
277 		if (text == NULL) {
278 			*status = ERR;
279 			return;
280 		}
281 		*textlen = strlen(*text);
282 		return;
283 	}
284 
285 	index = cs->selected;
286 
287 	if (index == -1 && p)
288 		index = 0;
289 	index = cs->selected = (cs->length + (p ? index - 1 : index + 1)) % cs->length;
290 
291 	n = &cs->completions[cs->selected];
292 
293 	free(*text);
294 	*text = strdup(n->completion);
295 	if (text == NULL) {
296 		fprintf(stderr, "Memory allocation error!\n");
297 		*status = ERR;
298 		return;
299 	}
300 	*textlen = strlen(*text);
301 }
302 
303 /* Push the character c at the end of the string pointed by p */
304 int
305 pushc(char **p, int maxlen, char c)
306 {
307 	int	len;
308 
309 	len = strnlen(*p, maxlen);
310 	if (!(len < maxlen -2)) {
311 		char *newptr;
312 
313 		maxlen += maxlen >> 1;
314 		newptr = realloc(*p, maxlen);
315 		if (newptr == NULL) /* bad */
316 			return -1;
317 		*p = newptr;
318 	}
319 
320 	(*p)[len] = c;
321 	(*p)[len+1] = '\0';
322 	return maxlen;
323 }
324 
325 /* 
326  * Remove the last rune from the *UTF-8* string! This is different
327  * from just setting the last byte to 0 (in some cases ofc). Return a
328  * pointer (e) to the last nonzero char. If e < p then p is empty!
329  */
330 char *
331 popc(char *p)
332 {
333 	int len = strlen(p);
334 	char *e;
335 
336 	if (len == 0)
337 		return p;
338 
339 	e = p + len - 1;
340 
341 	do {
342 		char c = *e;
343 
344 		*e = '\0';
345 		e -= 1;
346 
347 		/*
348 		 * If c is a starting byte (11......) or is under
349 		 * U+007F we're done.
350 		 */
351 		if (((c & 0x80) && (c & 0x40)) || !(c & 0x80))
352 			break;
353 	} while (e >= p);
354 
355 	return e;
356 }
357 
358 /* Remove the last word plus trailing white spaces from the given string */
359 void
360 popw(char *w)
361 {
362 	int	len;
363 	short	in_word = 1;
364 
365 	if ((len = strlen(w)) == 0)
366 		return;
367 
368 	while (1) {
369 		char *e = popc(w);
370 
371 		if (e < w)
372 			return;
373 
374 		if (in_word && isspace(*e))
375 			in_word = 0;
376 
377 		if (!in_word && !isspace(*e))
378 			return;
379 	}
380 }
381 
382 /* 
383  * If the string is surrounded by quates (`"') remove them and replace
384  * every `\"' in the string with a single double-quote.
385  */
386 char *
387 normalize_str(const char *str)
388 {
389 	int	len, p;
390 	char	*s;
391 
392 	if ((len = strlen(str)) == 0)
393 		return NULL;
394 
395 	s = calloc(len, sizeof(char));
396 	check_allocation(s);
397 	p = 0;
398 
399 	while (*str) {
400 		char c = *str;
401 
402 		if (*str == '\\') {
403 			if (*(str + 1)) {
404 				s[p] = *(str + 1);
405 				p++;
406 				str += 2; /* skip this and the next char */
407 				continue;
408 			} else
409 				break;
410 		}
411 		if (c == '"') {
412 			str++;	/* skip only this char */
413 			continue;
414 		}
415 		s[p] = c;
416 		p++;
417 		str++;
418 	}
419 
420 	return s;
421 }
422 
423 size_t
424 read_stdin(char **buf)
425 {
426 	size_t	offset = 0;
427 	size_t	len = STDIN_CHUNKS;
428 
429 	*buf = malloc(len * sizeof(char));
430 	if (*buf == NULL)
431 		goto err;
432 
433 	while (1) {
434 		ssize_t r;
435 		size_t i;
436 
437 		r = read(0, *buf + offset, STDIN_CHUNKS);
438 
439 		if (r < 1)
440 			return len;
441 
442 		offset += r;
443 
444 		len += STDIN_CHUNKS;
445 		*buf = realloc(*buf, len);
446 		if (*buf == NULL)
447 			goto err;
448 
449 		for (i = offset; i < len; ++i)
450 			(*buf)[i] = '\0';
451 	}
452 
453  err:
454 	fprintf(stderr, "Error in allocating memory for stdin.\n");
455 	exit(EX_UNAVAILABLE);
456 }
457 
458 size_t
459 readlines(char ***lns, char **buf)
460 {
461 	size_t	i, len, ll, lines;
462 	short	in_line = 0;
463 
464 	lines = 0;
465 
466 	*buf = NULL;
467 	len = read_stdin(buf);
468 
469 	ll = LINES_CHUNK;
470 	*lns = malloc(ll * sizeof(char*));
471 
472 	if (*lns == NULL)
473 		goto err;
474 
475 	for (i = 0; i < len; i++) {
476 		char c = (*buf)[i];
477 
478 		if (c == '\0')
479 			break;
480 
481 		if (c == '\n')
482 			(*buf)[i] = '\0';
483 
484 		if (in_line && c == '\n')
485 			in_line = 0;
486 
487 		if (!in_line && c != '\n') {
488 			in_line = 1;
489 			(*lns)[lines] = (*buf) + i;
490 			lines++;
491 
492 			if (lines == ll) { /* resize */
493 				ll += LINES_CHUNK;
494 				*lns = realloc(*lns, ll * sizeof(char*));
495 				if (*lns == NULL)
496 					goto err;
497 			}
498 		}
499 	}
500 
501 	(*lns)[lines] = NULL;
502 
503 	return lines;
504 
505  err:
506 	fprintf(stderr, "Error in memory allocation.\n");
507 	exit(EX_UNAVAILABLE);
508 }
509 
510 /*
511  * Compute the dimensions of the string str once rendered.
512  * It'll return the width and set ret_width and ret_height if not NULL
513  */
514 int
515 text_extents(char *str, int len, struct rendering *r, int *ret_width, int *ret_height)
516 {
517 	int	height;
518 	int	width;
519 #ifdef USE_XFT
520 	XGlyphInfo	gi;
521 	XftTextExtentsUtf8(r->d, r->font, str, len, &gi);
522 	height = r->font->ascent - r->font->descent;
523 	width = gi.width - gi.x;
524 #else
525 	XRectangle	rect;
526 	XmbTextExtents(r->font, str, len, NULL, &rect);
527 	height = rect.height;
528 	width = rect.width;
529 #endif
530 	if (ret_width != NULL)  *ret_width = width;
531 	if (ret_height != NULL) *ret_height = height;
532 	return width;
533 }
534 
535 void
536 draw_string(char *str, int len, int x, int y, struct rendering *r, enum text_type tt)
537 {
538 #ifdef USE_XFT
539 	XftColor xftcolor;
540 	if (tt == PROMPT)     xftcolor = r->xft_prompt;
541 	if (tt == COMPL)      xftcolor = r->xft_completion;
542 	if (tt == COMPL_HIGH) xftcolor = r->xft_completion_highlighted;
543 
544 	XftDrawStringUtf8(r->xftdraw, &xftcolor, r->font, x, y, str, len);
545 #else
546 	GC gc;
547 	if (tt == PROMPT)     gc = r->prompt;
548 	if (tt == COMPL)      gc = r->completion;
549 	if (tt == COMPL_HIGH) gc = r->completion_highlighted;
550 	Xutf8DrawString(r->d, r->w, r->font, gc, x, y, str, len);
551 #endif
552 }
553 
554 /* Duplicate the string and substitute every space with a 'n` */
555 char *
556 strdupn(char *str)
557 {
558 	int	len, i;
559 	char	*dup;
560 
561 	len = strlen(str);
562 
563 	if (str == NULL || len == 0)
564 		return NULL;
565 
566 	if ((dup = strdup(str)) == NULL)
567 		return NULL;
568 
569 	for (i = 0; i < len; ++i)
570 		if (dup[i] == ' ')
571 			dup[i] = 'n';
572 
573 	return dup;
574 }
575 
576 /* ,-----------------------------------------------------------------, */
577 /* | 20 char text     | completion | completion | completion | compl | */
578 /* `-----------------------------------------------------------------' */
579 void
580 draw_horizontally(struct rendering *r, char *text, struct completions *cs)
581 {
582 	size_t	i;
583 	int	prompt_width, start_at;
584 	int	texty, textlen;
585 
586 	prompt_width = 20; 	/* TODO: calculate the correct amount of char to show */
587 
588 	start_at  = r->x_zero + text_extents("n", 1, r, NULL, NULL);
589 	start_at *= prompt_width;
590 	start_at += r->padding;
591 
592 	texty = (inner_height(r) + r->ps1h + r->y_zero) / 2;
593 
594 	XFillRectangle(r->d, r->w, r->prompt_bg, r->x_zero, r->y_zero, start_at, inner_height(r));
595 
596 	textlen = strlen(text);
597 	if (textlen > prompt_width)
598 		text = text + textlen - prompt_width;
599 
600 	draw_string(r->ps1, r->ps1len, r->x_zero + r->padding, texty, r, PROMPT);
601 	draw_string(text, MIN(textlen, prompt_width), r->x_zero + r->padding + r->ps1w, texty, r, PROMPT);
602 
603 	XFillRectangle(r->d, r->w, r->completion_bg, start_at, r->y_zero, r->width, inner_height(r));
604 
605 	for (i = r->offset; i < cs->length; ++i) {
606 		struct completion	*c;
607 		enum text_type		tt;
608 		GC			h;
609 		int			len, text_width;
610 
611 		c = &cs->completions[i];
612 		tt = cs->selected == (ssize_t)i ? COMPL_HIGH : COMPL;
613 		h  = cs->selected == (ssize_t)i ? r->completion_highlighted_bg : r->completion_bg;
614 		len = strlen(c->completion);
615 		text_width = text_extents(c->completion, len, r, NULL, NULL);
616 
617 		XFillRectangle(r->d, r->w, h, start_at, r->y_zero, text_width + r->padding*2, inner_height(r));
618 		draw_string(c->completion, len, start_at + r->padding, texty, r, tt);
619 
620 		start_at += text_width + r->padding * 2;
621 
622 		if (start_at > inner_width(r))
623 			break; 	/* don't draw completion out of the window */
624 	}
625 }
626 
627 /* ,-----------------------------------------------------------------, */
628 /* |  prompt                                                         | */
629 /* |-----------------------------------------------------------------| */
630 /* |  completion                                                     | */
631 /* |-----------------------------------------------------------------| */
632 /* |  completion                                                     | */
633 /* `-----------------------------------------------------------------' */
634 void
635 draw_vertically(struct rendering *r, char *text, struct completions *cs)
636 {
637 	size_t	i;
638 	int	height, start_at;
639 
640 	text_extents("fjpgl", 5, r, NULL, &height);
641 	start_at = r->padding * 2 + height;
642 
643 	XFillRectangle(r->d, r->w, r->completion_bg, r->x_zero, r->y_zero, r->width, r->height);
644 	XFillRectangle(r->d, r->w, r->prompt_bg, r->x_zero, r->y_zero, r->width, start_at);
645 
646 	draw_string(r->ps1, r->ps1len, r->x_zero + r->padding, r->y_zero + height + r->padding, r, PROMPT);
647 	draw_string(text, strlen(text), r->x_zero + r->padding + r->ps1w, r->y_zero + height + r->padding, r, PROMPT);
648 
649 	start_at += r->y_zero;
650 
651 	for (i = r->offset; i < cs->length; ++i) {
652 		struct completion	*c;
653 		enum text_type		tt;
654 		GC			h;
655 		int			len;
656 
657 		c   = &cs->completions[i];
658 		tt  = cs->selected == (ssize_t)i ? COMPL_HIGH : COMPL;
659 		h   = cs->selected == (ssize_t)i ? r->completion_highlighted_bg : r->completion_bg;
660 		len = strlen(c->completion);
661 
662 		XFillRectangle(r->d, r->w, h, r->x_zero, start_at, inner_width(r), height + r->padding*2);
663 		draw_string(c->completion, len, r->x_zero + r->padding, start_at + height + r->padding, r, tt);
664 
665 		start_at += height + r->padding * 2;
666 
667 		if (start_at > inner_height(r))
668 			break;	/* don't draw completion out of the window */
669 	}
670 }
671 
672 void
673 draw(struct rendering *r, char *text, struct completions *cs)
674 {
675 	if (r->horizontal_layout)
676 		draw_horizontally(r, text, cs);
677 	else
678 		draw_vertically(r, text, cs);
679 
680 	/* Draw the borders */
681 	if (r->border_w != 0)
682 		XFillRectangle(r->d, r->w, r->border_w_bg, 0, 0, r->border_w, r->height);
683 
684 	if (r->border_e != 0)
685 		XFillRectangle(r->d, r->w, r->border_e_bg, r->width - r->border_e, 0, r->border_e, r->height);
686 
687 	if (r->border_n != 0)
688 		XFillRectangle(r->d, r->w, r->border_n_bg, 0, 0, r->width, r->border_n);
689 
690 	if (r->border_s != 0)
691 		XFillRectangle(r->d, r->w, r->border_s_bg, 0, r->height - r->border_s, r->width, r->border_s);
692 
693 	/* render! */
694 	XFlush(r->d);
695 }
696 
697 /* Set some WM stuff */
698 void
699 set_win_atoms_hints(Display *d, Window w, int width, int height)
700 {
701 	Atom		type;
702 	XClassHint	*class_hint;
703 	XSizeHints	*size_hint;
704 
705 	type = XInternAtom(d, "_NET_WM_WINDOW_TYPE_DOCK", 0);
706 	XChangeProperty(d,
707 			w,
708 			XInternAtom(d, "_NET_WM_WINDOW_TYPE", 0),
709 			XInternAtom(d, "ATOM", 0),
710 			32,
711 			PropModeReplace,
712 			(unsigned char *)&type,
713 			1
714 			);
715 
716 	/* some window managers honor this properties */
717 	type = XInternAtom(d, "_NET_WM_STATE_ABOVE", 0);
718 	XChangeProperty(d,
719 			w,
720 			XInternAtom(d, "_NET_WM_STATE", 0),
721 			XInternAtom(d, "ATOM", 0),
722 			32,
723 			PropModeReplace,
724 			(unsigned char *)&type,
725 			1
726 			);
727 
728 	type = XInternAtom(d, "_NET_WM_STATE_FOCUSED", 0);
729 	XChangeProperty(d,
730 			w,
731 			XInternAtom(d, "_NET_WM_STATE", 0),
732 			XInternAtom(d, "ATOM", 0),
733 			32,
734 			PropModeAppend,
735 			(unsigned char *)&type,
736 			1
737 			);
738 
739 	/* Setting window hints */
740 	class_hint = XAllocClassHint();
741 	if (class_hint == NULL) {
742 		fprintf(stderr, "Could not allocate memory for class hint\n");
743 		exit(EX_UNAVAILABLE);
744 	}
745 
746 	class_hint->res_name = resname;
747 	class_hint->res_class = resclass;
748 	XSetClassHint(d, w, class_hint);
749 	XFree(class_hint);
750 
751 	size_hint = XAllocSizeHints();
752 	if (size_hint == NULL) {
753 		fprintf(stderr, "Could not allocate memory for size hint\n");
754 		exit(EX_UNAVAILABLE);
755 	}
756 
757 	size_hint->flags = PMinSize | PBaseSize;
758 	size_hint->min_width = width;
759 	size_hint->base_width = width;
760 	size_hint->min_height = height;
761 	size_hint->base_height = height;
762 
763 	XFlush(d);
764 }
765 
766 /* Get the width and height of the window `w' */
767 void
768 get_wh(Display *d, Window *w, int *width, int *height)
769 {
770 	XWindowAttributes win_attr;
771 
772 	XGetWindowAttributes(d, *w, &win_attr);
773 	*height = win_attr.height;
774 	*width = win_attr.width;
775 }
776 
777 int
778 grabfocus(Display *d, Window w)
779 {
780 	int	i;
781 	for (i = 0; i < 100; ++i) {
782 		Window focuswin;
783 		int revert_to_win;
784 
785 		XGetInputFocus(d, &focuswin, &revert_to_win);
786 
787 		if (focuswin == w)
788 			return 1;
789 
790 		XSetInputFocus(d, w, RevertToParent, CurrentTime);
791 		usleep(1000);
792 	}
793 	return 0;
794 }
795 
796 /* 
797  * I know this may seem a little hackish BUT is the only way I managed
798  * to actually grab that goddam keyboard. Only one call to
799  * XGrabKeyboard does not always end up with the keyboard grabbed!
800  */
801 int
802 take_keyboard(Display *d, Window w)
803 {
804 	int i;
805 	for (i = 0; i < 100; i++) {
806 		if (XGrabKeyboard(d, w, 1, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
807 			return 1;
808 		usleep(1000);
809 	}
810 	fprintf(stderr, "Cannot grab keyboard\n");
811 	return 0;
812 }
813 
814 unsigned long
815 parse_color(const char *str, const char *def)
816 {
817 	size_t len;
818 	rgba_t tmp;
819 	char *ep;
820 
821 	if (str == NULL)
822 		goto invc;
823 
824 	len = strlen(str);
825 
826 	/* +1 for the # ath the start */
827 	if (*str != '#' || len > 9 || len < 4)
828 		goto invc;
829 	++str; 			/* skip the # */
830 
831 	errno = 0;
832 	tmp = (rgba_t)(uint32_t)strtoul(str, &ep, 16);
833 
834 	if (errno)
835 		goto invc;
836 
837 	switch (len-1) {
838 	case 3:
839 		/* expand #rgb -> #rrggbb */
840 		tmp.v =   (tmp.v & 0xf00) * 0x1100
841 			| (tmp.v & 0x0f0) * 0x0110
842 			| (tmp.v & 0x00f) * 0x0011;
843 	case 6:
844 		/* assume 0xff opacity */
845 		tmp.rgba.a = 0xff;
846 		break;
847 	} /* colors in #aarrggbb need no adjustments */
848 
849 	/* premultiply the alpha */
850 	if (tmp.rgba.a) {
851 		tmp.rgba.r = (tmp.rgba.r * tmp.rgba.a) / 255;
852 		tmp.rgba.g = (tmp.rgba.g * tmp.rgba.a) / 255;
853 		tmp.rgba.b = (tmp.rgba.b * tmp.rgba.a) / 255;
854 		return tmp.v;
855 	}
856 
857 	return 0U;
858 
859  invc:
860 	fprintf(stderr, "Invalid color: \"%s\".\n", str);
861 	if (def != NULL)
862 		return parse_color(def, NULL);
863 	else
864 		return 0U;
865 }
866 
867 /* 
868  * Given a string try to parse it as a number or return `default_value'.
869  */
870 int
871 parse_integer(const char *str, int default_value)
872 {
873 	long	lval;
874 	char	*ep;
875 
876 	errno = 0;
877 	lval = strtol(str, &ep, 10);
878 
879 	if (str[0] == '\0' || *ep != '\0') { /* NaN */
880 		fprintf(stderr, "'%s' is not a valid number! Using %d as default.\n", str, default_value);
881 		return default_value;
882 	}
883 
884 	if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
885 	    (lval > INT_MAX || lval < INT_MIN)) {
886 		fprintf(stderr, "%s out of range! Using %d as default.\n", str, default_value);
887 		return default_value;
888 	}
889 
890 	return lval;
891 }
892 
893 /* Like parse_integer but recognize the percentages (i.e. strings ending with `%') */
894 int
895 parse_int_with_percentage(const char *str, int default_value, int max)
896 {
897 	int len = strlen(str);
898 
899 	if (len > 0 && str[len-1] == '%') {
900 		int val;
901 		char *cpy;
902 
903 		cpy = strdup(str);
904 		check_allocation(cpy);
905 		cpy[len-1] = '\0';
906 		val = parse_integer(cpy, default_value);
907 		free(cpy);
908 		return val * max / 100;
909 	}
910 
911 	return parse_integer(str, default_value);
912 }
913 
914 /* 
915  * Like parse_int_with_percentage but understands some special values:
916  * - middle that is (max-self)/2
917  * - start  that is 0
918  * - end    that is (max-self)
919  */
920 int
921 parse_int_with_pos(const char *str, int default_value, int max, int self)
922 {
923 	if (!strcmp(str, "start"))
924 		return 0;
925 	if (!strcmp(str, "middle"))
926 		return (max - self)/2;
927 	if (!strcmp(str, "end"))
928 		return max-self;
929 	return parse_int_with_percentage(str, default_value, max);
930 }
931 
932 /* Parse a string like a CSS value. */
933 /* TODO: harden a bit this function */
934 char **
935 parse_csslike(const char *str)
936 {
937 	int	i, j;
938 	char	*s, *token, **ret;
939 	short	any_null;
940 
941 	s = strdup(str);
942 	if (s == NULL)
943 		return NULL;
944 
945 	ret = malloc(4 * sizeof(char*));
946 	if (ret == NULL) {
947 		free(s);
948 		return NULL;
949 	}
950 
951 	for (i = 0; (token = strsep(&s, " ")) != NULL && i < 4; ++i)
952 		ret[i] = strdup(token);
953 
954 	if (i == 1)
955 		for (j = 1; j < 4; j++)
956 			ret[j] = strdup(ret[0]);
957 
958 	if (i == 2) {
959 		ret[2] = strdup(ret[0]);
960 		ret[3] = strdup(ret[1]);
961 	}
962 
963 	if (i == 3)
964 		ret[3] = strdup(ret[1]);
965 
966 	/* before we didn't check for the return type of strdup, here we will */
967 
968 	any_null = 0;
969 	for (i = 0; i < 4; ++i)
970 		any_null = ret[i] == NULL || any_null;
971 
972 	if (any_null)
973 		for (i = 0; i < 4; ++i)
974 			if (ret[i] != NULL)
975 				free(ret[i]);
976 
977 	if (i == 0 || any_null) {
978 		free(s);
979 		free(ret);
980 		return NULL;
981 	}
982 
983 	return ret;
984 }
985 
986 /* 
987  * Given an event, try to understand what the users wants. If the
988  * return value is ADD_CHAR then `input' is a pointer to a string that
989  * will need to be free'ed later.
990  */
991 enum
992 action parse_event(Display *d, XKeyPressedEvent *ev, XIC xic, char **input)
993 {
994 	char	str[SYM_BUF_SIZE] = {0};
995 	Status	s;
996 
997 	if (ev->keycode == XKeysymToKeycode(d, XK_BackSpace))
998 		return DEL_CHAR;
999 
1000 	if (ev->keycode == XKeysymToKeycode(d, XK_Tab))
1001 		return ev->state & ShiftMask ? PREV_COMPL : NEXT_COMPL;
1002 
1003 	if (ev->keycode == XKeysymToKeycode(d, XK_Return))
1004 		return CONFIRM;
1005 
1006 	if (ev->keycode == XKeysymToKeycode(d, XK_Escape))
1007 		return EXIT;
1008 
1009 	/* Try to read what key was pressed */
1010 	s = 0;
1011 	Xutf8LookupString(xic, ev, str, SYM_BUF_SIZE, 0, &s);
1012 	if (s == XBufferOverflow) {
1013 		fprintf(stderr, "Buffer overflow when trying to create keyboard symbol map.\n");
1014 		return EXIT;
1015 	}
1016 
1017 	if (ev->state & ControlMask) {
1018 		if (!strcmp(str, "")) /* C-u */
1019 			return DEL_LINE;
1020 		if (!strcmp(str, "")) /* C-w */
1021 			return DEL_WORD;
1022 		if (!strcmp(str, "")) /* C-h */
1023 			return DEL_CHAR;
1024 		if (!strcmp(str, "\r")) /* C-m */
1025 			return CONFIRM_CONTINUE;
1026 		if (!strcmp(str, "")) /* C-p */
1027 			return PREV_COMPL;
1028 		if (!strcmp(str, "")) /* C-n */
1029 			return NEXT_COMPL;
1030 		if (!strcmp(str, "")) /* C-c */
1031 			return EXIT;
1032 		if (!strcmp(str, "\t")) /* C-i */
1033 			return TOGGLE_FIRST_SELECTED;
1034 	}
1035 
1036 	*input = strdup(str);
1037 	if (*input == NULL) {
1038 		fprintf(stderr, "Error while allocating memory for key.\n");
1039 		return EXIT;
1040 	}
1041 
1042 	return ADD_CHAR;
1043 }
1044 
1045 void
1046 confirm(enum state *status, struct rendering *r, struct completions *cs, char **text, int *textlen)
1047 {
1048 	if ((cs->selected != -1) || (cs->length > 0 && r->first_selected)) {
1049 		/* if there is something selected expand it and return */
1050 		int index = cs->selected == -1 ? 0 : cs->selected;
1051 		struct completion *c = cs->completions;
1052 		char *t;
1053 
1054 		while (1) {
1055 			if (index == 0)
1056 				break;
1057 			c++;
1058 			index--;
1059 		}
1060 
1061 		t = c->rcompletion;
1062 		free(*text);
1063 		*text = strdup(t);
1064 
1065 		if (*text == NULL) {
1066 			fprintf(stderr, "Memory allocation error\n");
1067 			*status = ERR;
1068 		}
1069 
1070 		*textlen = strlen(*text);
1071 		return;
1072 	}
1073 
1074 	if (!r->free_text) /* cannot accept arbitrary text */
1075 		*status = LOOPING;
1076 }
1077 
1078 /* event loop */
1079 enum state
1080 loop(struct rendering *r, char **text, int *textlen, struct completions *cs, char **lines, char **vlines)
1081 {
1082 	enum state status = LOOPING;
1083 
1084 	while (status == LOOPING) {
1085 		XEvent e;
1086 		XNextEvent(r->d, &e);
1087 
1088 		if (XFilterEvent(&e, r->w))
1089 			continue;
1090 
1091 		switch (e.type) {
1092 		case KeymapNotify:
1093 			XRefreshKeyboardMapping(&e.xmapping);
1094 			break;
1095 
1096 		case FocusIn:
1097 			/* Re-grab focus */
1098 			if (e.xfocus.window != r->w)
1099 				grabfocus(r->d, r->w);
1100 			break;
1101 
1102 		case VisibilityNotify:
1103 			if (e.xvisibility.state != VisibilityUnobscured)
1104 				XRaiseWindow(r->d, r->w);
1105 			break;
1106 
1107 		case MapNotify:
1108 			get_wh(r->d, &r->w, &r->width, &r->height);
1109 			draw(r, *text, cs);
1110 			break;
1111 
1112 		case KeyPress: {
1113 			XKeyPressedEvent *ev = (XKeyPressedEvent*)&e;
1114 			char *input;
1115 
1116 			switch (parse_event(r->d, ev, r->xic, &input)) {
1117 			case EXIT:
1118 				status = ERR;
1119 				break;
1120 
1121 			case CONFIRM: {
1122 				status = OK;
1123 				confirm(&status, r, cs, text, textlen);
1124 				break;
1125 			}
1126 
1127 			case CONFIRM_CONTINUE: {
1128 				status = OK_LOOP;
1129 				confirm(&status, r, cs, text, textlen);
1130 				break;
1131 			}
1132 
1133 			case PREV_COMPL: {
1134 				complete(cs, r->first_selected, 1, text, textlen, &status);
1135 				r->offset = cs->selected;
1136 				break;
1137 			}
1138 
1139 			case NEXT_COMPL: {
1140 				complete(cs, r->first_selected, 0, text, textlen, &status);
1141 				r->offset = cs->selected;
1142 				break;
1143 			}
1144 
1145 			case DEL_CHAR:
1146 				popc(*text);
1147 				update_completions(cs, *text, lines, vlines, r->first_selected);
1148 				r->offset = 0;
1149 				break;
1150 
1151 			case DEL_WORD: {
1152 				popw(*text);
1153 				update_completions(cs, *text, lines, vlines, r->first_selected);
1154 				break;
1155 			}
1156 
1157 			case DEL_LINE: {
1158 				int i;
1159 				for (i = 0; i < *textlen; ++i)
1160 					*(*text + i) = 0;
1161 				update_completions(cs, *text, lines, vlines, r->first_selected);
1162 				r->offset = 0;
1163 				break;
1164 			}
1165 
1166 			case ADD_CHAR: {
1167 				int str_len, i;
1168 
1169 				str_len = strlen(input);
1170 
1171 				/*
1172 				 * sometimes a strange key is pressed
1173 				 * i.e. ctrl alone), so input will be
1174 				 * empty. Don't need to update
1175 				 * completion in that case
1176 				 */
1177 				if (str_len == 0)
1178 					break;
1179 
1180 				for (i = 0; i < str_len; ++i) {
1181 					*textlen = pushc(text, *textlen, input[i]);
1182 					if (*textlen == -1) {
1183 						fprintf(stderr, "Memory allocation error\n");
1184 						status = ERR;
1185 						break;
1186 					}
1187 				}
1188 
1189 				if (status != ERR) {
1190 					update_completions(cs, *text, lines, vlines, r->first_selected);
1191 					free(input);
1192 				}
1193 
1194 				r->offset = 0;
1195 				break;
1196 			}
1197 
1198 			case TOGGLE_FIRST_SELECTED:
1199 				r->first_selected = !r->first_selected;
1200 				if (r->first_selected && cs->selected < 0)
1201 					cs->selected = 0;
1202 				if (!r->first_selected && cs->selected == 0)
1203 					cs->selected = -1;
1204 				break;
1205 			}
1206 		}
1207 
1208 		case ButtonPress: {
1209 			XButtonPressedEvent *ev = (XButtonPressedEvent*)&e;
1210 			/* if (ev->button == Button1) { /\* click *\/ */
1211 			/*   int x = ev->x - r.border_w; */
1212 			/*   int y = ev->y - r.border_n; */
1213 			/*   fprintf(stderr, "Click @ (%d, %d)\n", x, y); */
1214 			/* } */
1215 
1216 			if (ev->button == Button4) /* scroll up */
1217 				r->offset = MAX((ssize_t)r->offset - 1, 0);
1218 
1219 			if (ev->button == Button5) /* scroll down */
1220 				r->offset = MIN(r->offset + 1, cs->length - 1);
1221 
1222 			break;
1223 		}
1224 		}
1225 
1226 		draw(r, *text, cs);
1227 	}
1228 
1229 	return status;
1230 }
1231 
1232 int
1233 load_font(struct rendering *r, const char *fontname)
1234 {
1235 #ifdef USE_XFT
1236 	r->font = XftFontOpenName(r->d, DefaultScreen(r->d), fontname);
1237 	return 0;
1238 #else
1239 	char **missing_charset_list;
1240 	int missing_charset_count;
1241 
1242 	r->font = XCreateFontSet(r->d, fontname, &missing_charset_list, &missing_charset_count, NULL);
1243 	if (r->font != NULL)
1244 		return 0;
1245 
1246 	fprintf(stderr, "Unable to load the font(s) %s\n", fontname);
1247 
1248 	if (!strcmp(fontname, default_fontname))
1249 		return -1;
1250 
1251 	return load_font(r, default_fontname);
1252 #endif
1253 }
1254 
1255 void
1256 xim_init(struct rendering *r, XrmDatabase *xdb)
1257 {
1258 	XIM		xim;
1259 	XIMStyle	best_match_style;
1260 	XIMStyles	*xis;
1261 	int		i;
1262 
1263 	/* Open the X input method */
1264 	xim = XOpenIM(r->d, *xdb, resname, resclass);
1265 	check_allocation(xim);
1266 
1267 	if (XGetIMValues(xim, XNQueryInputStyle, &xis, NULL) || !xis) {
1268 		fprintf(stderr, "Input Styles could not be retrieved\n");
1269 		exit(EX_UNAVAILABLE);
1270 	}
1271 
1272 	best_match_style = 0;
1273 	for (i = 0; i < xis->count_styles; ++i) {
1274 		XIMStyle ts = xis->supported_styles[i];
1275 		if (ts == (XIMPreeditNothing | XIMStatusNothing)) {
1276 			best_match_style = ts;
1277 			break;
1278 		}
1279 	}
1280 	XFree(xis);
1281 
1282 	if (!best_match_style)
1283 		fprintf(stderr, "No matching input style could be determined\n");
1284 
1285 	r->xic = XCreateIC(xim, XNInputStyle, best_match_style, XNClientWindow, r->w, XNFocusWindow, r->w, NULL);
1286 	check_allocation(r->xic);
1287 }
1288 
1289 void
1290 create_window(struct rendering *r, Window parent_window, Colormap cmap, XVisualInfo vinfo, int x, int y, int ox, int oy)
1291 {
1292 	XSetWindowAttributes	attr;
1293 
1294 	/* Create the window */
1295 	attr.colormap = cmap;
1296 	attr.override_redirect = 1;
1297 	attr.border_pixel = 0;
1298 	attr.background_pixel = 0x80808080;
1299 	attr.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
1300 
1301 	r->w = XCreateWindow(r->d,
1302 		parent_window,
1303 		x + ox, y + oy,
1304 		r->width, r->height,
1305 		0,
1306 		vinfo.depth,
1307 		InputOutput,
1308 		vinfo.visual,
1309 		CWBorderPixel | CWBackPixel | CWColormap | CWEventMask | CWOverrideRedirect,
1310 		&attr);
1311 }
1312 
1313 void
1314 ps1extents(struct rendering *r)
1315 {
1316 	char *dup;
1317 	dup = strdupn(r->ps1);
1318 	text_extents(dup == NULL ? r->ps1 : dup, r->ps1len, r, &r->ps1w, &r->ps1h);
1319 	free(dup);
1320 }
1321 
1322 void
1323 usage(char *prgname)
1324 {
1325 	fprintf(stderr, "%s [-Aamvh] [-B colors] [-b borders] [-C color] [-c color]\n"
1326 		        "       [-d separator] [-e window] [-f font] [-H height] [-l layout]\n"
1327 		        "       [-P padding] [-p prompt] [-T color] [-t color] [-S color]\n"
1328 		        "       [-s color] [-W width] [-x coord] [-y coord]\n", prgname);
1329 }
1330 
1331 int
1332 main(int argc, char **argv)
1333 {
1334 	struct completions	*cs;
1335 	struct rendering	r;
1336 	XVisualInfo		vinfo;
1337 	Colormap		cmap;
1338 	size_t			nlines, i;
1339 	Window			parent_window;
1340 	XrmDatabase		xdb;
1341 	unsigned long		p_fg, compl_fg, compl_highlighted_fg;
1342 	unsigned long		p_bg, compl_bg, compl_highlighted_bg;
1343 	unsigned long		border_n_bg, border_e_bg, border_s_bg, border_w_bg;
1344 	enum state		status;
1345 	int			ch;
1346 	int			offset_x, offset_y, x, y;
1347 	int			textlen, d_width, d_height;
1348 	short			embed;
1349 	char			*sep, *parent_window_id;
1350 	char			**lines, *buf, **vlines;
1351 	char			*fontname, *text, *xrm;
1352 
1353 #ifdef __OpenBSD__
1354 	/* stdio & rpath: to read/write stdio/stdout/stderr */
1355 	/* unix:          to connect to XOrg */
1356 	pledge("stdio rpath unix", "");
1357 #endif
1358 
1359 	sep = NULL;
1360 	parent_window_id = NULL;
1361 
1362 	r.first_selected = 0;
1363 	r.free_text = 1;
1364 	r.multiple_select = 0;
1365 	r.offset = 0;
1366 
1367 	while ((ch = getopt(argc, argv, ARGS)) != -1) {
1368 		switch (ch) {
1369 		case 'h':	/* help */
1370 			usage(*argv);
1371 			return 0;
1372 		case 'v':	/* version */
1373 			fprintf(stderr, "%s version: %s\n", *argv, VERSION);
1374 			return 0;
1375 		case 'e':	/* embed */
1376 			parent_window_id = strdup(optarg);
1377 			check_allocation(parent_window_id);
1378 			break;
1379 		case 'd': {
1380 			sep = strdup(optarg);
1381 			check_allocation(sep);
1382 		}
1383 		case 'A': {
1384 			r.free_text = 0;
1385 			break;
1386 		}
1387 		case 'm': {
1388 			r.multiple_select = 1;
1389 			break;
1390 		}
1391 		default:
1392 			break;
1393 		}
1394 	}
1395 
1396 	/* Read the completions */
1397 	lines = NULL;
1398 	buf = NULL;
1399 	nlines = readlines(&lines, &buf);
1400 
1401 	vlines = NULL;
1402 	if (sep != NULL) {
1403 		int l;
1404 		l = strlen(sep);
1405 		vlines = calloc(nlines, sizeof(char*));
1406 		check_allocation(vlines);
1407 
1408 		for (i = 0; i < nlines; i++) {
1409 			char *t;
1410 			t = strstr(lines[i], sep);
1411 			if (t == NULL)
1412 				vlines[i] = lines[i];
1413 			else
1414 				vlines[i] = t + l;
1415 		}
1416 	}
1417 
1418 	setlocale(LC_ALL, getenv("LANG"));
1419 
1420 	status = LOOPING;
1421 
1422 	/* where the monitor start (used only with xinerama) */
1423 	offset_x = offset_y = 0;
1424 
1425 	/* default width and height */
1426 	r.width = 400;
1427 	r.height = 20;
1428 
1429 	/* default position on the screen */
1430 	x = y = 0;
1431 
1432 	/* default padding */
1433 	r.padding = 10;
1434 
1435 	/* default borders */
1436 	r.border_n = r.border_e = r.border_s = r.border_w = 0;
1437 
1438 	/* the prompt. We duplicate the string so later is easy to
1439 	 * free (in the case it's been overwritten by the user) */
1440 	r.ps1 = strdup("$ ");
1441 	check_allocation(r.ps1);
1442 
1443 	/* same for the font name */
1444 	fontname = strdup(default_fontname);
1445 	check_allocation(fontname);
1446 
1447 	textlen = 10;
1448 	text = malloc(textlen * sizeof(char));
1449 	check_allocation(text);
1450 
1451 	/* struct completions *cs = filter(text, lines); */
1452 	cs = compls_new(nlines);
1453 	check_allocation(cs);
1454 
1455 	/* start talking to xorg */
1456 	r.d = XOpenDisplay(NULL);
1457 	if (r.d == NULL) {
1458 		fprintf(stderr, "Could not open display!\n");
1459 		return EX_UNAVAILABLE;
1460 	}
1461 
1462 	embed = 1;
1463 	if (! (parent_window_id && (parent_window = strtol(parent_window_id, NULL, 0)))) {
1464 		parent_window = DefaultRootWindow(r.d);
1465 		embed = 0;
1466 	}
1467 
1468 	/* get display size */
1469 	get_wh(r.d, &parent_window, &d_width, &d_height);
1470 
1471 #ifdef USE_XINERAMA
1472 	if (!embed && XineramaIsActive(r.d)) { /* find the mice */
1473 		XineramaScreenInfo *info;
1474 		Window		rr;
1475 		Window		root;
1476 		int		number_of_screens, monitors, i;
1477 		int		root_x, root_y, win_x, win_y;
1478 		unsigned int	mask;
1479 		short		res;
1480 
1481 		number_of_screens = XScreenCount(r.d);
1482 		for (i = 0; i < number_of_screens; ++i) {
1483 			root = XRootWindow(r.d, i);
1484 			res = XQueryPointer(r.d, root, &rr, &rr, &root_x, &root_y, &win_x, &win_y, &mask);
1485 			if (res)
1486 				break;
1487 		}
1488 
1489 		if (!res) {
1490 			fprintf(stderr, "No mouse found.\n");
1491 			root_x = 0;
1492 			root_y = 0;
1493 		}
1494 
1495 		/* Now find in which monitor the mice is */
1496 		info = XineramaQueryScreens(r.d, &monitors);
1497 		if (info) {
1498 			for (i = 0; i < monitors; ++i) {
1499 				if (info[i].x_org <= root_x && root_x <= (info[i].x_org + info[i].width)
1500 				    && info[i].y_org <= root_y && root_y <= (info[i].y_org + info[i].height)) {
1501 					offset_x = info[i].x_org;
1502 					offset_y = info[i].y_org;
1503 					d_width = info[i].width;
1504 					d_height = info[i].height;
1505 					break;
1506 				}
1507 			}
1508 		}
1509 		XFree(info);
1510 	}
1511 #endif
1512 
1513 	XMatchVisualInfo(r.d, DefaultScreen(r.d), 32, TrueColor, &vinfo);
1514 	cmap = XCreateColormap(r.d, XDefaultRootWindow(r.d), vinfo.visual, AllocNone);
1515 
1516 	p_fg = compl_fg = parse_color("#fff", NULL);
1517 	compl_highlighted_fg = parse_color("#000", NULL);
1518 
1519 	p_bg = compl_bg = parse_color("#000", NULL);
1520 	compl_highlighted_bg = parse_color("#fff", NULL);
1521 
1522 	border_n_bg = border_e_bg = border_s_bg = border_w_bg = parse_color("#000", NULL);
1523 
1524 	r.horizontal_layout = 1;
1525 
1526 	/* Read the resources */
1527 	XrmInitialize();
1528 	xrm = XResourceManagerString(r.d);
1529 	xdb = NULL;
1530 	if (xrm != NULL) {
1531 		XrmValue value;
1532 		char *datatype[20];
1533 
1534 		xdb = XrmGetStringDatabase(xrm);
1535 
1536 		if (XrmGetResource(xdb, "MyMenu.font", "*", datatype, &value) == 1) {
1537 			free(fontname);
1538 			fontname = strdup(value.addr);
1539 			check_allocation(fontname);
1540 		} else {
1541 			fprintf(stderr, "no font defined, using %s\n", fontname);
1542 		}
1543 
1544 		if (XrmGetResource(xdb, "MyMenu.layout", "*", datatype, &value) == 1)
1545 			r.horizontal_layout = !strcmp(value.addr, "horizontal");
1546 		else
1547 			fprintf(stderr, "no layout defined, using horizontal\n");
1548 
1549 		if (XrmGetResource(xdb, "MyMenu.prompt", "*", datatype, &value) == 1) {
1550 			free(r.ps1);
1551 			r.ps1 = normalize_str(value.addr);
1552 		} else {
1553 			fprintf(stderr, "no prompt defined, using \"%s\" as default\n", r.ps1);
1554 		}
1555 
1556 		if (XrmGetResource(xdb, "MyMenu.width", "*", datatype, &value) == 1)
1557 			r.width = parse_int_with_percentage(value.addr, r.width, d_width);
1558 		else
1559 			fprintf(stderr, "no width defined, using %d\n", r.width);
1560 
1561 		if (XrmGetResource(xdb, "MyMenu.height", "*", datatype, &value) == 1)
1562 			r.height = parse_int_with_percentage(value.addr, r.height, d_height);
1563 		else
1564 			fprintf(stderr, "no height defined, using %d\n", r.height);
1565 
1566 		if (XrmGetResource(xdb, "MyMenu.x", "*", datatype, &value) == 1)
1567 			x = parse_int_with_pos(value.addr, x, d_width, r.width);
1568 		else
1569 			fprintf(stderr, "no x defined, using %d\n", x);
1570 
1571 		if (XrmGetResource(xdb, "MyMenu.y", "*", datatype, &value) == 1)
1572 			y = parse_int_with_pos(value.addr, y, d_height, r.height);
1573 		else
1574 			fprintf(stderr, "no y defined, using %d\n", y);
1575 
1576 		if (XrmGetResource(xdb, "MyMenu.padding", "*", datatype, &value) == 1)
1577 			r.padding = parse_integer(value.addr, r.padding);
1578 		else
1579 			fprintf(stderr, "no padding defined, using %d\n", r.padding);
1580 
1581 		if (XrmGetResource(xdb, "MyMenu.border.size", "*", datatype, &value) == 1) {
1582 			char **borders;
1583 
1584 			borders = parse_csslike(value.addr);
1585 			if (borders != NULL) {
1586 				r.border_n = parse_integer(borders[0], 0);
1587 				r.border_e = parse_integer(borders[1], 0);
1588 				r.border_s = parse_integer(borders[2], 0);
1589 				r.border_w = parse_integer(borders[3], 0);
1590 			} else
1591 				fprintf(stderr, "error while parsing MyMenu.border.size\n");
1592 		} else
1593 			fprintf(stderr, "no border defined, using 0.\n");
1594 
1595 		/* Prompt */
1596 		if (XrmGetResource(xdb, "MyMenu.prompt.foreground", "*", datatype, &value) == 1)
1597 			p_fg = parse_color(value.addr, "#fff");
1598 
1599 		if (XrmGetResource(xdb, "MyMenu.prompt.background", "*", datatype, &value) == 1)
1600 			p_bg = parse_color(value.addr, "#000");
1601 
1602 		/* Completions */
1603 		if (XrmGetResource(xdb, "MyMenu.completion.foreground", "*", datatype, &value) == 1)
1604 			compl_fg = parse_color(value.addr, "#fff");
1605 
1606 		if (XrmGetResource(xdb, "MyMenu.completion.background", "*", datatype, &value) == 1)
1607 			compl_bg = parse_color(value.addr, "#000");
1608 		else
1609 			compl_bg = parse_color("#000", NULL);
1610 
1611 		/* Completion Highlighted */
1612 		if (XrmGetResource(xdb, "MyMenu.completion_highlighted.foreground", "*", datatype, &value) == 1)
1613 			compl_highlighted_fg = parse_color(value.addr, "#000");
1614 
1615 		if (XrmGetResource(xdb, "MyMenu.completion_highlighted.background", "*", datatype, &value) == 1)
1616 			compl_highlighted_bg = parse_color(value.addr, "#fff");
1617 		else
1618 			compl_highlighted_bg = parse_color("#fff", NULL);
1619 
1620 		/* Border */
1621 		if (XrmGetResource(xdb, "MyMenu.border.color", "*", datatype, &value) == 1) {
1622 			char **colors;
1623 			colors = parse_csslike(value.addr);
1624 			if (colors != NULL) {
1625 				border_n_bg = parse_color(colors[0], "#000");
1626 				border_e_bg = parse_color(colors[1], "#000");
1627 				border_s_bg = parse_color(colors[2], "#000");
1628 				border_w_bg = parse_color(colors[3], "#000");
1629 			} else
1630 				fprintf(stderr, "error while parsing MyMenu.border.color\n");
1631 		}
1632 	}
1633 
1634 	/* Second round of args parsing */
1635 	optind = 0;		/* reset the option index */
1636 	while ((ch = getopt(argc, argv, ARGS)) != -1) {
1637 		switch (ch) {
1638 		case 'a':
1639 			r.first_selected = 1;
1640 			break;
1641 		case 'A':
1642 			/* free_text -- already catched */
1643 		case 'd':
1644 			/* separator -- this case was already catched */
1645 		case 'e':
1646 			/* embedding mymenu this case was already catched. */
1647 		case 'm':
1648 			/* multiple selection this case was already catched. */
1649 			break;
1650 		case 'p': {
1651 			char *newprompt;
1652 			newprompt = strdup(optarg);
1653 			if (newprompt != NULL) {
1654 				free(r.ps1);
1655 				r.ps1 = newprompt;
1656 			}
1657 			break;
1658 		}
1659 		case 'x':
1660 			x = parse_int_with_pos(optarg, x, d_width, r.width);
1661 			break;
1662 		case 'y':
1663 			y = parse_int_with_pos(optarg, y, d_height, r.height);
1664 			break;
1665 		case 'P':
1666 			r.padding = parse_integer(optarg, r.padding);
1667 			break;
1668 		case 'l':
1669 			r.horizontal_layout = !strcmp(optarg, "horizontal");
1670 			break;
1671 		case 'f': {
1672 			char *newfont;
1673 			if ((newfont = strdup(optarg)) != NULL) {
1674 				free(fontname);
1675 				fontname = newfont;
1676 			}
1677 			break;
1678 		}
1679 		case 'W':
1680 			r.width = parse_int_with_percentage(optarg, r.width, d_width);
1681 			break;
1682 		case 'H':
1683 			r.height = parse_int_with_percentage(optarg, r.height, d_height);
1684 			break;
1685 		case 'b': {
1686 			char **borders;
1687 			if ((borders = parse_csslike(optarg)) != NULL) {
1688 				r.border_n = parse_integer(borders[0], 0);
1689 				r.border_e = parse_integer(borders[1], 0);
1690 				r.border_s = parse_integer(borders[2], 0);
1691 				r.border_w = parse_integer(borders[3], 0);
1692 			} else
1693 				fprintf(stderr, "Error parsing b option\n");
1694 			break;
1695 		}
1696 		case 'B': {
1697 			char **colors;
1698 			if ((colors = parse_csslike(optarg)) != NULL) {
1699 				border_n_bg = parse_color(colors[0], "#000");
1700 				border_e_bg = parse_color(colors[1], "#000");
1701 				border_s_bg = parse_color(colors[2], "#000");
1702 				border_w_bg = parse_color(colors[3], "#000");
1703 			} else
1704 				fprintf(stderr, "error while parsing B option\n");
1705 			break;
1706 		}
1707 		case 't':
1708 			p_fg = parse_color(optarg, NULL);
1709 			break;
1710 		case 'T':
1711 			p_bg = parse_color(optarg, NULL);
1712 			break;
1713 		case 'c':
1714 			compl_fg = parse_color(optarg, NULL);
1715 			break;
1716 		case 'C':
1717 			compl_bg = parse_color(optarg, NULL);
1718 			break;
1719 		case 's':
1720 			compl_highlighted_fg = parse_color(optarg, NULL);
1721 			break;
1722 		case 'S':
1723 			compl_highlighted_bg = parse_color(optarg, NULL);
1724 			break;
1725 		default:
1726 			fprintf(stderr, "Unrecognized option %c\n", ch);
1727 			status = ERR;
1728 			break;
1729 		}
1730 	}
1731 
1732 	/* since only now we know if the first should be selected,
1733 	 * update the completion here */
1734 	update_completions(cs, text, lines, vlines, r.first_selected);
1735 
1736 	/* update the prompt lenght, only now we surely know the length of it */
1737 	r.ps1len = strlen(r.ps1);
1738 
1739 	/* Create the window */
1740 	create_window(&r, parent_window, cmap, vinfo, x, y, offset_x, offset_y);
1741 	set_win_atoms_hints(r.d, r.w, r.width, r.height);
1742 	XSelectInput(r.d, r.w, StructureNotifyMask | KeyPressMask | KeymapStateMask | ButtonPressMask);
1743 	XMapRaised(r.d, r.w);
1744 
1745 	/* If embed, listen for other events as well */
1746 	if (embed) {
1747 		Window		*children, parent, root;
1748 		unsigned int	children_no;
1749 
1750 		XSelectInput(r.d, parent_window, FocusChangeMask);
1751 		if (XQueryTree(r.d, parent_window, &root, &parent, &children, &children_no) && children) {
1752 			for (i = 0; i < children_no && children[i] != r.w; ++i)
1753 				XSelectInput(r.d, children[i], FocusChangeMask);
1754 			XFree(children);
1755 		}
1756 		grabfocus(r.d, r.w);
1757 	}
1758 
1759 	take_keyboard(r.d, r.w);
1760 
1761 	r.x_zero = r.border_w;
1762 	r.y_zero = r.border_n;
1763 
1764 	{
1765 		XGCValues	values;
1766 
1767 		r.prompt                     = XCreateGC(r.d, r.w, 0, &values),
1768 		r.prompt_bg                  = XCreateGC(r.d, r.w, 0, &values);
1769 		r.completion                 = XCreateGC(r.d, r.w, 0, &values);
1770 		r.completion_bg              = XCreateGC(r.d, r.w, 0, &values);
1771 		r.completion_highlighted     = XCreateGC(r.d, r.w, 0, &values);
1772 		r.completion_highlighted_bg  = XCreateGC(r.d, r.w, 0, &values);
1773 		r.border_n_bg                = XCreateGC(r.d, r.w, 0, &values);
1774 		r.border_e_bg                = XCreateGC(r.d, r.w, 0, &values);
1775 		r.border_s_bg                = XCreateGC(r.d, r.w, 0, &values);
1776 		r.border_w_bg                = XCreateGC(r.d, r.w, 0, &values);
1777 	}
1778 
1779 	if (load_font(&r, fontname) == -1)
1780 		status = ERR;
1781 
1782 #ifdef USE_XFT
1783 	r.xftdraw = XftDrawCreate(r.d, r.w, vinfo.visual, DefaultColormap(r.d, 0));
1784 
1785 	{
1786 		rgba_t c;
1787 		XRenderColor xrcolor;
1788 
1789 		/* Prompt */
1790 		c = *(rgba_t*)&p_fg;
1791 		xrcolor.red          = EXPANDBITS(c.rgba.r);
1792 		xrcolor.green        = EXPANDBITS(c.rgba.g);
1793 		xrcolor.blue         = EXPANDBITS(c.rgba.b);
1794 		xrcolor.alpha        = EXPANDBITS(c.rgba.a);
1795 		XftColorAllocValue(r.d, DefaultVisual(r.d, 0), DefaultColormap(r.d, 0), &xrcolor, &r.xft_prompt);
1796 
1797 		/* Completion */
1798 		c = *(rgba_t*)&compl_fg;
1799 		xrcolor.red          = EXPANDBITS(c.rgba.r);
1800 		xrcolor.green        = EXPANDBITS(c.rgba.g);
1801 		xrcolor.blue         = EXPANDBITS(c.rgba.b);
1802 		xrcolor.alpha        = EXPANDBITS(c.rgba.a);
1803 		XftColorAllocValue(r.d, DefaultVisual(r.d, 0), DefaultColormap(r.d, 0), &xrcolor, &r.xft_completion);
1804 
1805 		/* Completion highlighted */
1806 		c = *(rgba_t*)&compl_highlighted_fg;
1807 		xrcolor.red          = EXPANDBITS(c.rgba.r);
1808 		xrcolor.green        = EXPANDBITS(c.rgba.g);
1809 		xrcolor.blue         = EXPANDBITS(c.rgba.b);
1810 		xrcolor.alpha        = EXPANDBITS(c.rgba.a);
1811 		XftColorAllocValue(r.d, DefaultVisual(r.d, 0), DefaultColormap(r.d, 0), &xrcolor, &r.xft_completion_highlighted);
1812 	}
1813 #endif
1814 
1815 	/* Load the colors in our GCs */
1816 	XSetForeground(r.d, r.prompt, p_fg);
1817 	XSetForeground(r.d, r.prompt_bg, p_bg);
1818 	XSetForeground(r.d, r.completion, compl_fg);
1819 	XSetForeground(r.d, r.completion_bg, compl_bg);
1820 	XSetForeground(r.d, r.completion_highlighted, compl_highlighted_fg);
1821 	XSetForeground(r.d, r.completion_highlighted_bg, compl_highlighted_bg);
1822 	XSetForeground(r.d, r.border_n_bg, border_n_bg);
1823 	XSetForeground(r.d, r.border_e_bg, border_e_bg);
1824 	XSetForeground(r.d, r.border_s_bg, border_s_bg);
1825 	XSetForeground(r.d, r.border_w_bg, border_w_bg);
1826 
1827 	/* compute prompt dimensions */
1828 	ps1extents(&r);
1829 
1830 	xim_init(&r, &xdb);
1831 
1832 	/* Draw the window for the first time */
1833 	draw(&r, text, cs);
1834 
1835 #ifdef __OpenBSD__
1836 	/* Now we need only the ability to write */
1837 	pledge("stdio", "");
1838 #endif
1839 
1840 	/* Main loop */
1841 	while (status == LOOPING || status == OK_LOOP) {
1842 		status = loop(&r, &text, &textlen, cs, lines, vlines);
1843 
1844 		if (status != ERR)
1845 			printf("%s\n", text);
1846 
1847 		if (!r.multiple_select && status == OK_LOOP)
1848 			status = OK;
1849 	}
1850 
1851 	XUngrabKeyboard(r.d, CurrentTime);
1852 
1853 #ifdef USE_XFT
1854 	XftColorFree(r.d, DefaultVisual(r.d, 0), DefaultColormap(r.d, 0), &r.xft_prompt);
1855 	XftColorFree(r.d, DefaultVisual(r.d, 0), DefaultColormap(r.d, 0), &r.xft_completion);
1856 	XftColorFree(r.d, DefaultVisual(r.d, 0), DefaultColormap(r.d, 0), &r.xft_completion_highlighted);
1857 #endif
1858 
1859 	free(r.ps1);
1860 	free(fontname);
1861 	free(text);
1862 
1863 	free(buf);
1864 	free(lines);
1865 	free(vlines);
1866 	compls_delete(cs);
1867 
1868 	XDestroyWindow(r.d, r.w);
1869 	XCloseDisplay(r.d);
1870 
1871 	return status != OK;
1872 }