op public repos

Blob

Date:: Fri Jul 16 11:26:34 2021 UTC
Message:: emojified link lines!!
Actions:: History | Blame | Raw File
1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include <limits.h>
18 #include <stdlib.h>
19 #include <string.h>
20 
21 #include "compl.h"
22 #include "defaults.h"
23 #include "minibuffer.h"
24 #include "telescope.h"
25 #include "ui.h"
26 #include "utf8.h"
27 
28 #define GUARD_RECURSIVE_MINIBUFFER()				\
29 	do {							\
30 		if (in_minibuffer) {				\
31 			message("enable-recursive-minibuffers " \
32 			    "is not yet available.");		\
33 			return;					\
34 		}						\
35 	} while(0)
36 
37 /* return 1 if moved, 0 otherwise */
38 static inline int
39 forward_line(struct buffer *buffer, int n)
40 {
41 	struct vline *vl;
42 	int did;
43 
44 	if (buffer->current_line == NULL)
45 		return 0;
46 	vl = buffer->current_line;
47 
48 	did = 0;
49 	while (n != 0) {
50 		if (n > 0) {
51 			vl = TAILQ_NEXT(vl, vlines);
52 			if (vl == NULL)
53 				return did;
54 			if (vl->parent->flags & L_HIDDEN)
55 				continue;
56 			buffer->current_line = vl;
57 			n--;
58 		} else {
59 			vl = TAILQ_PREV(vl, vhead, vlines);
60 			if (vl == NULL)
61 				return did;
62 			if (vl->parent->flags & L_HIDDEN)
63 				continue;
64 			if (buffer->current_line == buffer->top_line) {
65 				buffer->line_off--;
66 				buffer->top_line = vl;
67 			}
68 			buffer->current_line = vl;
69 			n++;
70 		}
71 
72 		did = 1;
73 	}
74 
75 	return did;
76 }
77 
78 void
79 cmd_previous_line(struct buffer *buffer)
80 {
81 	forward_line(buffer, -1);
82 }
83 
84 void
85 cmd_next_line(struct buffer *buffer)
86 {
87 	forward_line(buffer, +1);
88 }
89 
90 void
91 cmd_backward_char(struct buffer *buffer)
92 {
93 	if (buffer->cpoff != 0)
94 		buffer->cpoff--;
95 }
96 
97 void
98 cmd_forward_char(struct buffer *buffer)
99 {
100 	size_t len = 0;
101 
102 	if (buffer->current_line->line != NULL)
103 		len = utf8_cplen(buffer->current_line->line);
104 	if (++buffer->cpoff > len)
105 		buffer->cpoff = len;
106 }
107 
108 void
109 cmd_backward_paragraph(struct buffer *buffer)
110 {
111 	do {
112 		if (!forward_line(buffer, -1)) {
113 			message("No previous paragraph");
114 			return;
115 		}
116 	} while (buffer->current_line->line != NULL ||
117 	    buffer->current_line->parent->type != LINE_TEXT);
118 }
119 
120 void
121 cmd_forward_paragraph(struct buffer *buffer)
122 {
123 	do {
124 		if (!forward_line(buffer, +1)) {
125 			message("No next paragraph");
126 			return;
127 		}
128 	} while (buffer->current_line->line != NULL ||
129 	    buffer->current_line->parent->type != LINE_TEXT);
130 }
131 
132 void
133 cmd_move_beginning_of_line(struct buffer *buffer)
134 {
135 	buffer->cpoff = 0;
136 }
137 
138 void
139 cmd_move_end_of_line(struct buffer *buffer)
140 {
141 	struct vline	*vl;
142 
143 	vl = buffer->current_line;
144 	if (vl->line == NULL)
145 		return;
146 	buffer->cpoff = utf8_cplen(vl->line);
147 }
148 
149 void
150 cmd_redraw(struct buffer *buffer)
151 {
152         ui_schedule_redraw();
153 }
154 
155 void
156 cmd_scroll_line_up(struct buffer *buffer)
157 {
158 	struct vline	*vl;
159 
160 	if ((vl = TAILQ_PREV(buffer->top_line, vhead, vlines))
161 	    == NULL)
162 		return;
163 
164 	forward_line(buffer, -1);
165 
166 	buffer->top_line = vl;
167 }
168 
169 void
170 cmd_scroll_line_down(struct buffer *buffer)
171 {
172 	if (!forward_line(buffer, +1))
173 		return;
174 
175 	buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
176 	buffer->line_off++;
177 }
178 
179 void
180 cmd_scroll_up(struct buffer *buffer)
181 {
182 	struct vline	*vl;
183 	int		 i;
184 
185 	for (i = 0; i < body_lines; ++i) {
186 		vl = TAILQ_PREV(buffer->top_line, vhead, vlines);
187 		if (vl == NULL)
188 			break;
189 		buffer->top_line = vl;
190 		forward_line(buffer, -1);
191 	}
192 }
193 
194 void
195 cmd_scroll_down(struct buffer *buffer)
196 {
197 	int i;
198 
199 	for (i = 0; i < body_lines; ++i) {
200 		if (!forward_line(buffer, +1))
201 			break;
202 
203 		buffer->top_line = TAILQ_NEXT(buffer->top_line,
204 		    vlines);
205 	}
206 }
207 
208 void
209 cmd_beginning_of_buffer(struct buffer *buffer)
210 {
211 	buffer->current_line = TAILQ_FIRST(&buffer->head);
212 	buffer->cpoff = 0;
213 	buffer->top_line = buffer->current_line;
214 	buffer->line_off = 0;
215 }
216 
217 void
218 cmd_end_of_buffer(struct buffer *buffer)
219 {
220 	buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
221 	buffer->cpoff = body_cols;
222 }
223 
224 void
225 cmd_kill_telescope(struct buffer *buffer)
226 {
227 	save_session();
228 	event_loopbreak();
229 }
230 
231 void
232 cmd_push_button(struct buffer *buffer)
233 {
234 	struct vline	*vl;
235 	struct line	*l;
236 
237 	vl = buffer->current_line;
238 	switch (vl->parent->type) {
239 	case LINE_LINK:
240 		load_url_in_tab(current_tab(), vl->parent->alt);
241 		break;
242 	case LINE_PRE_START:
243 		l = TAILQ_NEXT(vl->parent, lines);
244 		for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
245 			if (l->type == LINE_PRE_END)
246 				break;
247 			l->flags ^= L_HIDDEN;
248 			if (l->flags & L_HIDDEN)
249 				buffer->line_max--;
250 			else
251 				buffer->line_max++;
252 		}
253 		break;
254 	default:
255 		break;
256 	}
257 }
258 
259 void
260 cmd_push_button_new_tab(struct buffer *buffer)
261 {
262 	struct vline	*vl;
263 
264 	vl = buffer->current_line;
265 	if (vl->parent->type != LINE_LINK)
266 		return;
267 
268 	new_tab(vl->parent->alt);
269 }
270 
271 void
272 cmd_previous_button(struct buffer *buffer)
273 {
274 	struct excursion place;
275 
276 	save_excursion(&place, buffer);
277 
278 	do {
279 		if (!forward_line(buffer, -1)) {
280 			restore_excursion(&place, buffer);
281 			message("No previous link");
282 			return;
283 		}
284 	} while (buffer->current_line->parent->type != LINE_LINK);
285 }
286 
287 void
288 cmd_next_button(struct buffer *buffer)
289 {
290 	struct excursion place;
291 
292 	save_excursion(&place, buffer);
293 
294 	do {
295 		if (!forward_line(buffer, +1)){
296 			restore_excursion(&place, buffer);
297 			message("No next link");
298 			return;
299 		}
300 	} while (buffer->current_line->parent->type != LINE_LINK);
301 }
302 
303 static inline int
304 is_heading(const struct line *l)
305 {
306 	return l->type == LINE_TITLE_1 ||
307 		l->type == LINE_TITLE_2 ||
308 		l->type == LINE_TITLE_3;
309 }
310 
311 void
312 cmd_previous_heading(struct buffer *buffer)
313 {
314 	struct excursion place;
315 
316 	save_excursion(&place, buffer);
317 
318 	do {
319 		if (!forward_line(buffer, -1)) {
320 			restore_excursion(&place, buffer);
321 			message("No previous heading");
322 			return;
323 		}
324 	} while (!is_heading(buffer->current_line->parent));
325 }
326 
327 void
328 cmd_next_heading(struct buffer *buffer)
329 {
330 	struct excursion place;
331 
332 	save_excursion(&place, buffer);
333 
334 	do {
335 		if (!forward_line(buffer, +1)) {
336 			restore_excursion(&place, buffer);
337 			message("No next heading");
338 			return;
339 		}
340 	} while (!is_heading(buffer->current_line->parent));
341 }
342 
343 void
344 cmd_previous_page(struct buffer *buffer)
345 {
346 	struct tab *tab = current_tab();
347 
348 	if (!load_previous_page(tab))
349 		message("No previous page");
350 	else
351 		start_loading_anim(tab);
352 }
353 
354 void
355 cmd_next_page(struct buffer *buffer)
356 {
357 	struct tab *tab = current_tab();
358 
359 	if (!load_next_page(tab))
360 		message("No next page");
361 	else
362 		start_loading_anim(tab);
363 }
364 
365 void
366 cmd_clear_minibuf(struct buffer *buffer)
367 {
368         message(NULL);
369 }
370 
371 void
372 cmd_execute_extended_command(struct buffer *buffer)
373 {
374 	size_t	 len;
375 
376 	GUARD_RECURSIVE_MINIBUFFER();
377 
378 	enter_minibuffer(eecmd_self_insert, eecmd_select, exit_minibuffer,
379 	    &eecmd_history, compl_eecmd, NULL);
380 
381 	len = sizeof(ministate.prompt);
382 	strlcpy(ministate.prompt, "", len);
383 
384 	if (thiskey.meta)
385 		strlcat(ministate.prompt, "M-", len);
386 
387 	strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
388 
389 	if (thiskey.meta)
390 		strlcat(ministate.prompt, " ", len);
391 }
392 
393 void
394 cmd_tab_close(struct buffer *buffer)
395 {
396 	struct tab *tab, *t;
397 
398 	tab = current_tab();
399 	if (TAILQ_PREV(tab, tabshead, tabs) == NULL &&
400 	    TAILQ_NEXT(tab, tabs) == NULL) {
401 		message("Can't close the only tab.");
402 		return;
403 	}
404 
405 	if (evtimer_pending(&tab->loadingev, NULL))
406 		evtimer_del(&tab->loadingev);
407 
408 	stop_tab(tab);
409 
410 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
411 		t = TAILQ_NEXT(tab, tabs);
412 	TAILQ_REMOVE(&tabshead, tab, tabs);
413 	free(tab);
414 
415 	switch_to_tab(t);
416 }
417 
418 void
419 cmd_tab_close_other(struct buffer *buffer)
420 {
421 	struct tab *t, *i;
422 
423 	TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
424 		if (t->flags & TAB_CURRENT)
425 			continue;
426 
427 		stop_tab(t);
428 		TAILQ_REMOVE(&tabshead, t, tabs);
429 		free(t);
430 	}
431 }
432 
433 void
434 cmd_tab_new(struct buffer *buffer)
435 {
436 	const char *url;
437 
438 	if ((url = new_tab_url) == NULL)
439 		url = NEW_TAB_URL;
440 
441 	new_tab(url);
442 }
443 
444 void
445 cmd_tab_next(struct buffer *buffer)
446 {
447 	struct tab *tab, *t;
448 
449 	tab = current_tab();
450 	tab->flags &= ~TAB_CURRENT;
451 
452 	if ((t = TAILQ_NEXT(tab, tabs)) == NULL)
453 		t = TAILQ_FIRST(&tabshead);
454 	t->flags |= TAB_CURRENT;
455 	t->flags &= ~TAB_URGENT;
456 }
457 
458 void
459 cmd_tab_previous(struct buffer *buffer)
460 {
461 	struct tab *tab, *t;
462 
463 	tab = current_tab();
464 	tab->flags &= ~TAB_CURRENT;
465 
466 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
467 		t = TAILQ_LAST(&tabshead, tabshead);
468 	t->flags |= TAB_CURRENT;
469 	t->flags &= ~TAB_URGENT;
470 }
471 
472 void
473 cmd_tab_move(struct buffer *buffer)
474 {
475 	struct tab *tab, *t;
476 
477 	tab = current_tab();
478 	t = TAILQ_NEXT(tab, tabs);
479 	TAILQ_REMOVE(&tabshead, tab, tabs);
480 
481 	if (t == NULL)
482 		TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
483 	else
484 		TAILQ_INSERT_AFTER(&tabshead, t, tab, tabs);
485 }
486 
487 void
488 cmd_tab_move_to(struct buffer *buffer)
489 {
490 	struct tab *tab, *t;
491 
492 	tab = current_tab();
493 	t = TAILQ_PREV(tab, tabshead, tabs);
494 	TAILQ_REMOVE(&tabshead, tab, tabs);
495 
496 	if (t == NULL) {
497 		if (TAILQ_EMPTY(&tabshead))
498 			TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
499 		else
500 			TAILQ_INSERT_TAIL(&tabshead, tab, tabs);
501 	} else
502 		TAILQ_INSERT_BEFORE(t, tab, tabs);
503 }
504 
505 void
506 cmd_tab_select(struct buffer *buffer)
507 {
508 	GUARD_RECURSIVE_MINIBUFFER();
509 
510 	enter_minibuffer(sensible_self_insert, ts_select, exit_minibuffer,
511 	    NULL, compl_ts, NULL);
512 	strlcpy(ministate.prompt, "Select tab: ", sizeof(ministate.prompt));
513 }
514 
515 void
516 cmd_load_url(struct buffer *buffer)
517 {
518 	GUARD_RECURSIVE_MINIBUFFER();
519 
520 	enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
521 	    &lu_history, NULL, NULL);
522 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
523 	strlcpy(ministate.buf, "gemini://", sizeof(ministate.buf));
524 	cmd_move_end_of_line(&ministate.buffer);
525 }
526 
527 void
528 cmd_load_current_url(struct buffer *buffer)
529 {
530 	struct tab *tab = current_tab();
531 
532 	GUARD_RECURSIVE_MINIBUFFER();
533 
534 	enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
535 	    &lu_history, NULL, NULL);
536 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
537 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
538 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
539 }
540 
541 void
542 cmd_reload_page(struct buffer *buffer)
543 {
544 	struct tab *tab;
545 
546 	tab = current_tab();
547 	load_url_in_tab(tab, tab->hist_cur->h);
548 }
549 
550 void
551 cmd_bookmark_page(struct buffer *buffer)
552 {
553 	struct tab *tab = current_tab();
554 
555 	GUARD_RECURSIVE_MINIBUFFER();
556 
557 	enter_minibuffer(sensible_self_insert, bp_select, exit_minibuffer, NULL,
558 	    NULL, NULL);
559 	strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
560 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
561 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
562 }
563 
564 void
565 cmd_list_bookmarks(struct buffer *buffer)
566 {
567 	load_url_in_tab(current_tab(), "about:bookmarks");
568 }
569 
570 void
571 cmd_toggle_help(struct buffer *buffer)
572 {
573 	ui_toggle_side_window();
574 }
575 
576 void
577 cmd_link_select(struct buffer *buffer)
578 {
579 	struct line *l;
580 
581 	GUARD_RECURSIVE_MINIBUFFER();
582 
583 	l = TAILQ_FIRST(&buffer->page.head);
584 	while (l != NULL && l->type != LINE_LINK)
585 		l = TAILQ_NEXT(l, lines);
586 
587 	if (l == NULL) {
588 		message("No links found");
589 		return;
590 	}
591 
592 	enter_minibuffer(sensible_self_insert, ls_select, exit_minibuffer,
593 	    NULL, compl_ls, l);
594 	strlcpy(ministate.prompt, "Select link: ", sizeof(ministate.prompt));
595 }
596 
597 void
598 cmd_swiper(struct buffer *buffer)
599 {
600 	GUARD_RECURSIVE_MINIBUFFER();
601 
602 	enter_minibuffer(sensible_self_insert, swiper_select, exit_minibuffer,
603 	    NULL, compl_swiper, TAILQ_FIRST(&buffer->page.head));
604 	strlcpy(ministate.prompt, "Select line: ", sizeof(ministate.prompt));
605 }
606 
607 void
608 cmd_toc(struct buffer *buffer)
609 {
610 	struct line *l;
611 
612 	GUARD_RECURSIVE_MINIBUFFER();
613 
614 	l = TAILQ_FIRST(&buffer->page.head);
615 	while (l != NULL &&
616 	    l->type != LINE_TITLE_1 &&
617 	    l->type != LINE_TITLE_2 &&
618 	    l->type != LINE_TITLE_3)
619 		l = TAILQ_NEXT(l, lines);
620 
621 	if (l == NULL) {
622 		message("No headings found");
623 		return;
624 	}
625 
626 	enter_minibuffer(sensible_self_insert, toc_select, exit_minibuffer,
627 	    NULL, compl_toc, l);
628 	strlcpy(ministate.prompt, "Select heading: ",
629 	    sizeof(ministate.prompt));
630 }
631 
632 void
633 cmd_inc_fill_column(struct buffer *buffer)
634 {
635 	if (fill_column == INT_MAX)
636 		return;
637 
638 	fill_column += 2;
639 	message("fill-column: %d", fill_column);
640 
641 	ui_schedule_redraw();
642 }
643 
644 void
645 cmd_dec_fill_column(struct buffer *buffer)
646 {
647 	if (fill_column == INT_MAX || fill_column < 8)
648 		return;
649 
650 	fill_column -= 2;
651 	message("fill-column: %d", fill_column);
652 
653 	ui_schedule_redraw();
654 }
655 
656 void
657 cmd_olivetti_mode(struct buffer *buffer)
658 {
659 	olivetti_mode = !olivetti_mode;
660 	if (olivetti_mode)
661 		message("olivetti-mode enabled");
662 	else
663 		message("olivetti-mode disabled");
664 
665 	ui_schedule_redraw();
666 }
667 
668 void
669 cmd_mini_delete_char(struct buffer *buffer)
670 {
671 	char *c, *n;
672 
673 	if (!in_minibuffer) {
674 		message("text is read-only");
675 		return;
676 	}
677 
678 	minibuffer_taint_hist();
679 
680 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
681 	if (*c == '\0')
682 		return;
683 	n = utf8_next_cp(c);
684 
685 	memmove(c, n, strlen(n)+1);
686 
687 	recompute_completions(0);
688 }
689 
690 void
691 cmd_mini_delete_backward_char(struct buffer *buffer)
692 {
693 	char *c, *p, *start;
694 
695 	if (!in_minibuffer) {
696 		message("text is read-only");
697 		return;
698 	}
699 
700 	minibuffer_taint_hist();
701 
702 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
703 	start = buffer->current_line->line;
704 	if (c == start)
705 		return;
706 	p = utf8_prev_cp(c-1, start);
707 
708 	memmove(p, c, strlen(c)+1);
709 	buffer->cpoff--;
710 
711 	recompute_completions(0);
712 }
713 
714 void
715 cmd_mini_kill_line(struct buffer *buffer)
716 {
717 	char *c;
718 
719 	if (!in_minibuffer) {
720 		message("text is read-only");
721 		return;
722 	}
723 
724 	minibuffer_taint_hist();
725 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
726 	*c = '\0';
727 
728 	recompute_completions(0);
729 }
730 
731 void
732 cmd_mini_abort(struct buffer *buffer)
733 {
734 	if (!in_minibuffer)
735 		return;
736 
737 	ministate.abortfn();
738 }
739 
740 void
741 cmd_mini_complete_and_exit(struct buffer *buffer)
742 {
743 	if (!in_minibuffer)
744 		return;
745 
746 	minibuffer_taint_hist();
747 	ministate.donefn();
748 }
749 
750 void
751 cmd_mini_previous_history_element(struct buffer *buffer)
752 {
753 	if (ministate.history == NULL) {
754 		message("No history");
755 		return;
756 	}
757 
758 	if (ministate.hist_cur == NULL ||
759 	    (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
760 		ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
761 		ministate.hist_off = ministate.history->len - 1;
762 		if (ministate.hist_cur == NULL)
763 			message("No prev history item");
764 	} else {
765 		ministate.hist_off--;
766 	}
767 
768 	if (ministate.hist_cur != NULL)
769 		buffer->current_line->line = ministate.hist_cur->h;
770 }
771 
772 void
773 cmd_mini_next_history_element(struct buffer *buffer)
774 {
775 	if (ministate.history == NULL) {
776 		message("No history");
777 		return;
778 	}
779 
780 	if (ministate.hist_cur == NULL ||
781 	    (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
782 		ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
783 		ministate.hist_off = 0;
784 		if (ministate.hist_cur == NULL)
785 			message("No next history item");
786 	} else {
787 		ministate.hist_off++;
788 	}
789 
790 	if (ministate.hist_cur != NULL)
791 		buffer->current_line->line = ministate.hist_cur->h;
792 }
793 
794 void
795 cmd_previous_completion(struct buffer *buffer)
796 {
797 	if (in_minibuffer != MB_COMPREAD)
798 		return;
799 
800 	buffer = &ministate.compl.buffer;
801 
802 	if (buffer->current_line != NULL)
803 		buffer->current_line->parent->type = LINE_COMPL;
804 
805 	forward_line(buffer, -1);
806 
807 	if (buffer->current_line != NULL)
808 		buffer->current_line->parent->type = LINE_COMPL_CURRENT;
809 }
810 
811 void
812 cmd_next_completion(struct buffer *buffer)
813 {
814 	if (in_minibuffer != MB_COMPREAD)
815 		return;
816 
817 	buffer = &ministate.compl.buffer;
818 
819 	if (buffer->current_line != NULL)
820 		buffer->current_line->parent->type = LINE_COMPL;
821 
822 	forward_line(buffer, +1);
823 
824 	if (buffer->current_line != NULL)
825 		buffer->current_line->parent->type = LINE_COMPL_CURRENT;
826 }
827 
828 void
829 cmd_insert_current_candidate(struct buffer *buffer)
830 {
831 	struct vline *vl;
832 
833 	if (in_minibuffer != MB_COMPREAD)
834 		return;
835 
836 	buffer = &ministate.compl.buffer;
837 	if ((vl = buffer->current_line) == NULL)
838 		return;
839 
840 	minibuffer_taint_hist();
841 	strlcpy(ministate.buf, vl->parent->line, sizeof(ministate.buf));
842 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
843 }
844 
845 void
846 cmd_suspend_telescope(struct buffer *buffer)
847 {
848 	message("Zzz...");
849 	ui_suspend();
850 }
851 
852 void
853 cmd_toggle_pre_wrap(struct buffer *buffer)
854 {
855 	dont_wrap_pre = !dont_wrap_pre;
856 
857 	if (dont_wrap_pre)
858 		message("Don't wrap preformatted blocks");
859 	else
860 		message("Wrap preformatted blocks");
861 
862 	ui_schedule_redraw();
863 }