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Date:: Sun Jan 2 09:48:30 2022 UTC
Message:: yornp before quitting
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 "compat.h"
18 
19 #include <limits.h>
20 #include <stdlib.h>
21 #include <string.h>
22 
23 #include "compl.h"
24 #include "defaults.h"
25 #include "minibuffer.h"
26 #include "session.h"
27 #include "telescope.h"
28 #include "ui.h"
29 #include "utf8.h"
30 
31 #define GUARD_RECURSIVE_MINIBUFFER()				\
32 	do {							\
33 		if (in_minibuffer) {				\
34 			message("enable-recursive-minibuffers " \
35 			    "is not yet available.");		\
36 			return;					\
37 		}						\
38 	} while(0)
39 
40 #define GUARD_READ_ONLY()				\
41 	do {						\
42 		if (!in_minibuffer) {			\
43 			message("text is read-only");	\
44 			return;				\
45 		}					\
46 	} while(0)
47 
48 /* return 1 if moved, 0 otherwise */
49 static inline int
50 forward_line(struct buffer *buffer, int n)
51 {
52 	struct vline *vl;
53 	int did;
54 
55 	if (buffer->current_line == NULL)
56 		return 0;
57 	vl = buffer->current_line;
58 
59 	did = 0;
60 	while (n != 0) {
61 		if (n > 0) {
62 			vl = TAILQ_NEXT(vl, vlines);
63 			if (vl == NULL)
64 				return did;
65 			if (vl->parent->flags & L_HIDDEN)
66 				continue;
67 			buffer->current_line = vl;
68 			n--;
69 		} else {
70 			vl = TAILQ_PREV(vl, vhead, vlines);
71 			if (vl == NULL)
72 				return did;
73 			if (vl->parent->flags & L_HIDDEN)
74 				continue;
75 			if (buffer->current_line == buffer->top_line) {
76 				buffer->line_off--;
77 				buffer->top_line = vl;
78 			}
79 			buffer->current_line = vl;
80 			n++;
81 		}
82 
83 		did = 1;
84 	}
85 
86 	return did;
87 }
88 
89 void
90 cmd_previous_line(struct buffer *buffer)
91 {
92 	forward_line(buffer, -1);
93 }
94 
95 void
96 cmd_next_line(struct buffer *buffer)
97 {
98 	forward_line(buffer, +1);
99 }
100 
101 void
102 cmd_backward_char(struct buffer *buffer)
103 {
104 	if (buffer->cpoff != 0)
105 		buffer->cpoff--;
106 }
107 
108 void
109 cmd_forward_char(struct buffer *buffer)
110 {
111 	size_t len = 0;
112 
113 	if (buffer->current_line == NULL)
114 		return;
115 
116 	if (buffer->current_line->line != NULL)
117 		len = utf8_cplen(buffer->current_line->line);
118 	if (++buffer->cpoff > len)
119 		buffer->cpoff = len;
120 }
121 
122 void
123 cmd_backward_paragraph(struct buffer *buffer)
124 {
125 	do {
126 		if (!forward_line(buffer, -1)) {
127 			message("No previous paragraph");
128 			return;
129 		}
130 	} while (buffer->current_line->line != NULL ||
131 	    buffer->current_line->parent->type != LINE_TEXT);
132 }
133 
134 void
135 cmd_forward_paragraph(struct buffer *buffer)
136 {
137 	do {
138 		if (!forward_line(buffer, +1)) {
139 			message("No next paragraph");
140 			return;
141 		}
142 	} while (buffer->current_line->line != NULL ||
143 	    buffer->current_line->parent->type != LINE_TEXT);
144 }
145 
146 void
147 cmd_move_beginning_of_line(struct buffer *buffer)
148 {
149 	buffer->cpoff = 0;
150 }
151 
152 void
153 cmd_move_end_of_line(struct buffer *buffer)
154 {
155 	struct vline	*vl;
156 
157 	vl = buffer->current_line;
158 	if (vl == NULL || vl->line == NULL)
159 		return;
160 	buffer->cpoff = utf8_cplen(vl->line);
161 }
162 
163 void
164 cmd_redraw(struct buffer *buffer)
165 {
166 	ui_schedule_redraw();
167 }
168 
169 void
170 cmd_scroll_line_up(struct buffer *buffer)
171 {
172 	struct vline	*vl;
173 
174 	for (;;) {
175 		if (buffer->top_line == NULL)
176 			return;
177 
178 		if ((vl = TAILQ_PREV(buffer->top_line, vhead, vlines))
179 		    == NULL)
180 			return;
181 
182 		buffer->top_line = vl;
183 
184 		if (vl->parent->flags & L_HIDDEN)
185 			continue;
186 
187 		break;
188 	}
189 
190 	buffer->line_off--;
191 
192 	forward_line(buffer, -1);
193 }
194 
195 void
196 cmd_scroll_line_down(struct buffer *buffer)
197 {
198 	if (!forward_line(buffer, +1))
199 		return;
200 
201 	for (;;) {
202 		if (buffer->top_line == NULL)
203 			return;
204 
205 		buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
206 		if (buffer->top_line->parent->flags & L_HIDDEN)
207 			continue;
208 		break;
209 	}
210 
211 	buffer->line_off++;
212 }
213 
214 void
215 cmd_scroll_up(struct buffer *buffer)
216 {
217 	struct vline	*vl;
218 	int		 i;
219 
220 	if (buffer->top_line == NULL)
221 		return;
222 
223 	for (i = 0; i < body_lines; ++i) {
224 		vl = TAILQ_PREV(buffer->top_line, vhead, vlines);
225 		if (vl == NULL)
226 			break;
227 		buffer->line_off--;
228 		buffer->top_line = vl;
229 		forward_line(buffer, -1);
230 	}
231 }
232 
233 void
234 cmd_scroll_down(struct buffer *buffer)
235 {
236 	int i;
237 
238 	if (buffer->top_line == NULL)
239 		return;
240 
241 	for (i = 0; i < body_lines; ++i) {
242 		if (!forward_line(buffer, +1))
243 			break;
244 
245 		buffer->top_line = TAILQ_NEXT(buffer->top_line,
246 		    vlines);
247 		buffer->line_off++;
248 	}
249 }
250 
251 void
252 cmd_beginning_of_buffer(struct buffer *buffer)
253 {
254 	buffer->current_line = TAILQ_FIRST(&buffer->head);
255 	buffer->cpoff = 0;
256 	buffer->top_line = buffer->current_line;
257 	buffer->line_off = 0;
258 }
259 
260 void
261 cmd_end_of_buffer(struct buffer *buffer)
262 {
263 	buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
264 
265 	if (buffer->current_line == NULL)
266 		return;
267 
268 	/* deal with invisible lines */
269 	if (buffer->current_line->parent->flags & L_HIDDEN)
270 		forward_line(buffer, -1);
271 
272 	cmd_move_end_of_line(buffer);
273 }
274 
275 static void
276 kill_telescope_cb(int r, struct tab *tab)
277 {
278 	if (r) {
279 		save_session();
280 		event_loopbreak();
281 	}
282 }
283 
284 void
285 cmd_kill_telescope(struct buffer *buffer)
286 {
287 	yornp("really quit?", kill_telescope_cb, NULL);
288 }
289 
290 void
291 cmd_push_button(struct buffer *buffer)
292 {
293 	struct vline	*vl;
294 	struct line	*l;
295 
296 	vl = buffer->current_line;
297 
298 	if (vl == NULL)
299 		return;
300 
301 	switch (vl->parent->type) {
302 	case LINE_LINK:
303 		load_url_in_tab(current_tab, vl->parent->alt, NULL, 0);
304 		break;
305 	case LINE_PRE_START:
306 		l = TAILQ_NEXT(vl->parent, lines);
307 		for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
308 			if (l->type == LINE_PRE_END)
309 				break;
310 			l->flags ^= L_HIDDEN;
311 			if (l->flags & L_HIDDEN)
312 				buffer->line_max--;
313 			else
314 				buffer->line_max++;
315 		}
316 		break;
317 	default:
318 		break;
319 	}
320 }
321 
322 void
323 cmd_push_button_new_tab(struct buffer *buffer)
324 {
325 	struct vline	*vl;
326 
327 	vl = buffer->current_line;
328 	if (vl == NULL || vl->parent->type != LINE_LINK)
329 		return;
330 
331 	new_tab(vl->parent->alt, current_tab->hist_cur->h, current_tab);
332 }
333 
334 void
335 cmd_previous_button(struct buffer *buffer)
336 {
337 	struct excursion place;
338 
339 	save_excursion(&place, buffer);
340 
341 	do {
342 		if (!forward_line(buffer, -1)) {
343 			restore_excursion(&place, buffer);
344 			message("No previous link");
345 			return;
346 		}
347 	} while (buffer->current_line->parent->type != LINE_LINK);
348 }
349 
350 void
351 cmd_next_button(struct buffer *buffer)
352 {
353 	struct excursion place;
354 
355 	save_excursion(&place, buffer);
356 
357 	do {
358 		if (!forward_line(buffer, +1)){
359 			restore_excursion(&place, buffer);
360 			message("No next link");
361 			return;
362 		}
363 	} while (buffer->current_line->parent->type != LINE_LINK);
364 }
365 
366 static inline int
367 is_heading(const struct line *l)
368 {
369 	return l->type == LINE_TITLE_1 ||
370 		l->type == LINE_TITLE_2 ||
371 		l->type == LINE_TITLE_3;
372 }
373 
374 void
375 cmd_previous_heading(struct buffer *buffer)
376 {
377 	struct excursion place;
378 
379 	save_excursion(&place, buffer);
380 
381 	do {
382 		if (!forward_line(buffer, -1)) {
383 			restore_excursion(&place, buffer);
384 			message("No previous heading");
385 			return;
386 		}
387 	} while (!is_heading(buffer->current_line->parent));
388 }
389 
390 void
391 cmd_next_heading(struct buffer *buffer)
392 {
393 	struct excursion place;
394 
395 	save_excursion(&place, buffer);
396 
397 	do {
398 		if (!forward_line(buffer, +1)) {
399 			restore_excursion(&place, buffer);
400 			message("No next heading");
401 			return;
402 		}
403 	} while (!is_heading(buffer->current_line->parent));
404 }
405 
406 void
407 cmd_previous_page(struct buffer *buffer)
408 {
409 	if (!load_previous_page(current_tab))
410 		message("No previous page");
411 	else
412 		start_loading_anim(current_tab);
413 }
414 
415 void
416 cmd_next_page(struct buffer *buffer)
417 {
418 	if (!load_next_page(current_tab))
419 		message("No next page");
420 	else
421 		start_loading_anim(current_tab);
422 }
423 
424 void
425 cmd_clear_minibuf(struct buffer *buffer)
426 {
427 	message(NULL);
428 }
429 
430 void
431 cmd_execute_extended_command(struct buffer *buffer)
432 {
433 	size_t	 len;
434 
435 	GUARD_RECURSIVE_MINIBUFFER();
436 
437 	enter_minibuffer(sensible_self_insert, eecmd_select, exit_minibuffer,
438 	    &eecmd_history, compl_eecmd, NULL);
439 
440 	len = sizeof(ministate.prompt);
441 	strlcpy(ministate.prompt, "", len);
442 
443 	if (thiskey.meta)
444 		strlcat(ministate.prompt, "M-", len);
445 
446 	strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
447 
448 	if (thiskey.meta)
449 		strlcat(ministate.prompt, " ", len);
450 }
451 
452 void
453 cmd_tab_close(struct buffer *buffer)
454 {
455 	struct tab *tab, *t;
456 
457 	tab = current_tab;
458 
459 	if ((t = TAILQ_NEXT(tab, tabs)) != NULL ||
460 	    (t = TAILQ_PREV(tab, tabshead, tabs)) != NULL) {
461 		switch_to_tab(t);
462 		free_tab(tab);
463 	} else
464 		message("Can't close the only tab.");
465 
466 }
467 
468 void
469 cmd_tab_close_other(struct buffer *buffer)
470 {
471 	struct tab *t, *i;
472 
473 	TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
474 		if (t == current_tab)
475 			continue;
476 
477 		free_tab(t);
478 	}
479 }
480 
481 void
482 cmd_tab_new(struct buffer *buffer)
483 {
484 	const char *url;
485 
486 	if ((url = new_tab_url) == NULL)
487 		url = NEW_TAB_URL;
488 
489 	new_tab(url, NULL, NULL);
490 }
491 
492 void
493 cmd_tab_next(struct buffer *buffer)
494 {
495 	struct tab *t;
496 
497 	if ((t = TAILQ_NEXT(current_tab, tabs)) == NULL)
498 		t = TAILQ_FIRST(&tabshead);
499 	switch_to_tab(t);
500 }
501 
502 void
503 cmd_tab_previous(struct buffer *buffer)
504 {
505 	struct tab *t;
506 
507 	if ((t = TAILQ_PREV(current_tab, tabshead, tabs)) == NULL)
508 		t = TAILQ_LAST(&tabshead, tabshead);
509 	switch_to_tab(t);
510 }
511 
512 void
513 cmd_tab_move(struct buffer *buffer)
514 {
515 	struct tab *t;
516 
517 	t = TAILQ_NEXT(current_tab, tabs);
518 	TAILQ_REMOVE(&tabshead, current_tab, tabs);
519 
520 	if (t == NULL)
521 		TAILQ_INSERT_HEAD(&tabshead, current_tab, tabs);
522 	else
523 		TAILQ_INSERT_AFTER(&tabshead, t, current_tab, tabs);
524 }
525 
526 void
527 cmd_tab_move_to(struct buffer *buffer)
528 {
529 	struct tab *t;
530 
531 	t = TAILQ_PREV(current_tab, tabshead, tabs);
532 	TAILQ_REMOVE(&tabshead, current_tab, tabs);
533 
534 	if (t == NULL)
535 		TAILQ_INSERT_TAIL(&tabshead, current_tab, tabs);
536 	else
537 		TAILQ_INSERT_BEFORE(t, current_tab, tabs);
538 }
539 
540 void
541 cmd_tab_select(struct buffer *buffer)
542 {
543 	GUARD_RECURSIVE_MINIBUFFER();
544 
545 	enter_minibuffer(sensible_self_insert, ts_select, exit_minibuffer,
546 	    NULL, compl_ts, NULL);
547 	strlcpy(ministate.prompt, "Select tab: ", sizeof(ministate.prompt));
548 }
549 
550 void
551 cmd_load_url(struct buffer *buffer)
552 {
553 	GUARD_RECURSIVE_MINIBUFFER();
554 
555 	enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
556 	    &lu_history, NULL, NULL);
557 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
558 }
559 
560 void
561 cmd_load_current_url(struct buffer *buffer)
562 {
563 	GUARD_RECURSIVE_MINIBUFFER();
564 
565 	enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
566 	    &lu_history, NULL, NULL);
567 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
568 	strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
569 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
570 }
571 
572 void
573 cmd_reload_page(struct buffer *buffer)
574 {
575 	load_url_in_tab(current_tab, current_tab->hist_cur->h, NULL, 1);
576 }
577 
578 void
579 cmd_bookmark_page(struct buffer *buffer)
580 {
581 	GUARD_RECURSIVE_MINIBUFFER();
582 
583 	enter_minibuffer(sensible_self_insert, bp_select, exit_minibuffer, NULL,
584 	    NULL, NULL);
585 	strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
586 	strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
587 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
588 }
589 
590 void
591 cmd_list_bookmarks(struct buffer *buffer)
592 {
593 	load_url_in_tab(current_tab, "about:bookmarks", NULL, 0);
594 }
595 
596 void
597 cmd_toggle_help(struct buffer *buffer)
598 {
599 	ui_toggle_side_window(SIDE_WINDOW_LEFT);
600 }
601 
602 void
603 cmd_link_select(struct buffer *buffer)
604 {
605 	struct line *l;
606 
607 	GUARD_RECURSIVE_MINIBUFFER();
608 
609 	l = TAILQ_FIRST(&buffer->page.head);
610 	while (l != NULL && l->type != LINE_LINK)
611 		l = TAILQ_NEXT(l, lines);
612 
613 	if (l == NULL) {
614 		message("No links found");
615 		return;
616 	}
617 
618 	enter_minibuffer(sensible_self_insert, ls_select, exit_minibuffer,
619 	    NULL, compl_ls, l);
620 	strlcpy(ministate.prompt, "Select link: ", sizeof(ministate.prompt));
621 }
622 
623 void
624 cmd_swiper(struct buffer *buffer)
625 {
626 	GUARD_RECURSIVE_MINIBUFFER();
627 
628 	enter_minibuffer(sensible_self_insert, swiper_select, exit_minibuffer,
629 	    NULL, compl_swiper, TAILQ_FIRST(&buffer->page.head));
630 	strlcpy(ministate.prompt, "Select line: ", sizeof(ministate.prompt));
631 }
632 
633 void
634 cmd_toc(struct buffer *buffer)
635 {
636 	struct line *l;
637 
638 	GUARD_RECURSIVE_MINIBUFFER();
639 
640 	l = TAILQ_FIRST(&buffer->page.head);
641 	while (l != NULL &&
642 	    l->type != LINE_TITLE_1 &&
643 	    l->type != LINE_TITLE_2 &&
644 	    l->type != LINE_TITLE_3)
645 		l = TAILQ_NEXT(l, lines);
646 
647 	if (l == NULL) {
648 		message("No headings found");
649 		return;
650 	}
651 
652 	enter_minibuffer(sensible_self_insert, toc_select, exit_minibuffer,
653 	    NULL, compl_toc, l);
654 	strlcpy(ministate.prompt, "Select heading: ",
655 	    sizeof(ministate.prompt));
656 }
657 
658 void
659 cmd_inc_fill_column(struct buffer *buffer)
660 {
661 	if (fill_column == INT_MAX)
662 		return;
663 
664 	fill_column += 2;
665 	message("fill-column: %d", fill_column);
666 
667 	ui_schedule_redraw();
668 }
669 
670 void
671 cmd_dec_fill_column(struct buffer *buffer)
672 {
673 	if (fill_column == INT_MAX || fill_column < 8)
674 		return;
675 
676 	fill_column -= 2;
677 	message("fill-column: %d", fill_column);
678 
679 	ui_schedule_redraw();
680 }
681 
682 void
683 cmd_olivetti_mode(struct buffer *buffer)
684 {
685 	olivetti_mode = !olivetti_mode;
686 	if (olivetti_mode)
687 		message("olivetti-mode enabled");
688 	else
689 		message("olivetti-mode disabled");
690 
691 	ui_schedule_redraw();
692 }
693 
694 void
695 cmd_mini_delete_char(struct buffer *buffer)
696 {
697 	char *c, *n;
698 
699 	GUARD_READ_ONLY();
700 
701 	minibuffer_taint_hist();
702 
703 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
704 	if (*c == '\0')
705 		return;
706 	n = utf8_next_cp(c);
707 
708 	memmove(c, n, strlen(n)+1);
709 
710 	recompute_completions(0);
711 }
712 
713 void
714 cmd_mini_delete_backward_char(struct buffer *buffer)
715 {
716 	char *c, *p, *start;
717 
718 	GUARD_READ_ONLY();
719 
720 	minibuffer_taint_hist();
721 
722 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
723 	start = buffer->current_line->line;
724 	if (c == start)
725 		return;
726 	p = utf8_prev_cp(c-1, start);
727 
728 	memmove(p, c, strlen(c)+1);
729 	buffer->cpoff--;
730 
731 	recompute_completions(0);
732 }
733 
734 void
735 cmd_mini_kill_line(struct buffer *buffer)
736 {
737 	char *c;
738 
739 	GUARD_READ_ONLY();
740 
741 	minibuffer_taint_hist();
742 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
743 	*c = '\0';
744 
745 	recompute_completions(0);
746 }
747 
748 void
749 cmd_mini_abort(struct buffer *buffer)
750 {
751 	if (!in_minibuffer)
752 		return;
753 
754 	ministate.abortfn();
755 }
756 
757 void
758 cmd_mini_complete_and_exit(struct buffer *buffer)
759 {
760 	if (!in_minibuffer)
761 		return;
762 
763 	minibuffer_taint_hist();
764 	ministate.donefn();
765 }
766 
767 void
768 cmd_mini_previous_history_element(struct buffer *buffer)
769 {
770 	if (ministate.history == NULL) {
771 		message("No history");
772 		return;
773 	}
774 
775 	if (ministate.hist_cur == NULL ||
776 	    (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
777 		ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
778 		ministate.hist_off = ministate.history->len - 1;
779 		if (ministate.hist_cur == NULL)
780 			message("No prev history item");
781 	} else {
782 		ministate.hist_off--;
783 	}
784 
785 	if (ministate.hist_cur != NULL)
786 		buffer->current_line->line = ministate.hist_cur->h;
787 }
788 
789 void
790 cmd_mini_next_history_element(struct buffer *buffer)
791 {
792 	if (ministate.history == NULL) {
793 		message("No history");
794 		return;
795 	}
796 
797 	if (ministate.hist_cur == NULL ||
798 	    (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
799 		ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
800 		ministate.hist_off = 0;
801 		if (ministate.hist_cur == NULL)
802 			message("No next history item");
803 	} else {
804 		ministate.hist_off++;
805 	}
806 
807 	if (ministate.hist_cur != NULL)
808 		buffer->current_line->line = ministate.hist_cur->h;
809 }
810 
811 void
812 cmd_previous_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_next_completion(struct buffer *buffer)
830 {
831 	if (in_minibuffer != MB_COMPREAD)
832 		return;
833 
834 	buffer = &ministate.compl.buffer;
835 
836 	if (buffer->current_line != NULL)
837 		buffer->current_line->parent->type = LINE_COMPL;
838 
839 	forward_line(buffer, +1);
840 
841 	if (buffer->current_line != NULL)
842 		buffer->current_line->parent->type = LINE_COMPL_CURRENT;
843 }
844 
845 void
846 cmd_insert_current_candidate(struct buffer *buffer)
847 {
848 	if (in_minibuffer != MB_COMPREAD)
849 		return;
850 
851 	minibuffer_insert_current_candidate();
852 }
853 
854 void
855 cmd_suspend_telescope(struct buffer *buffer)
856 {
857 	message("Zzz...");
858 	ui_suspend();
859 }
860 
861 void
862 cmd_toggle_pre_wrap(struct buffer *buffer)
863 {
864 	dont_wrap_pre = !dont_wrap_pre;
865 
866 	if (dont_wrap_pre)
867 		message("Don't wrap preformatted blocks");
868 	else
869 		message("Wrap preformatted blocks");
870 
871 	ui_schedule_redraw();
872 }
873 
874 void
875 cmd_mini_goto_beginning(struct buffer *buffer)
876 {
877 	struct vline *vl;
878 
879 	if (!in_minibuffer)
880 		return;
881 
882 	buffer = &ministate.compl.buffer;
883 
884 	if ((vl = buffer->current_line) != NULL)
885 		vl->parent->type = LINE_COMPL;
886 
887 	vl = TAILQ_FIRST(&buffer->head);
888 	while (vl != NULL && vl->parent->flags & L_HIDDEN)
889 		vl = TAILQ_NEXT(vl, vlines);
890 
891 	if (vl == NULL)
892 		return;
893 
894 	vl->parent->type = LINE_COMPL_CURRENT;
895 	buffer->top_line = vl;
896 	buffer->current_line = vl;
897 }
898 
899 void
900 cmd_mini_goto_end(struct buffer *buffer)
901 {
902 	struct vline *vl;
903 
904 	if (!in_minibuffer)
905 		return;
906 
907 	buffer = &ministate.compl.buffer;
908 
909 	if ((vl = buffer->current_line) != NULL)
910 		vl->parent->type = LINE_COMPL;
911 
912 	vl = TAILQ_LAST(&buffer->head, vhead);
913 	while (vl != NULL && vl->parent->flags & L_HIDDEN)
914 		vl = TAILQ_PREV(vl, vhead, vlines);
915 
916 	if (vl == NULL)
917 		return;
918 
919 	vl->parent->type = LINE_COMPL_CURRENT;
920 	buffer->current_line = vl;
921 }
922 
923 void
924 cmd_other_window(struct buffer *buffer)
925 {
926 	ui_other_window();
927 }
928 
929 void
930 cmd_mini_scroll_up(struct buffer *buffer)
931 {
932 	if (!in_minibuffer)
933 		return;
934 
935 	buffer = &ministate.compl.buffer;
936 	if (buffer->current_line == NULL)
937 		return;
938 
939 	buffer->current_line->parent->type = LINE_COMPL;
940 	cmd_scroll_up(buffer);
941 	buffer->current_line->parent->type = LINE_COMPL_CURRENT;
942 }
943 
944 void
945 cmd_mini_scroll_down(struct buffer *buffer)
946 {
947 	if (!in_minibuffer)
948 		return;
949 
950 	buffer = &ministate.compl.buffer;
951 	if (buffer->current_line == NULL)
952 		return;
953 
954 	buffer->current_line->parent->type = LINE_COMPL;
955 	cmd_scroll_down(buffer);
956 	buffer->current_line->parent->type = LINE_COMPL_CURRENT;
957 }
958 
959 void
960 cmd_toggle_downloads(struct buffer *buffer)
961 {
962 	ui_toggle_side_window(SIDE_WINDOW_BOTTOM);
963 }