2 * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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.
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.
25 #include "minibuffer.h"
27 #include "telescope.h"
31 #define GUARD_RECURSIVE_MINIBUFFER() \
33 if (in_minibuffer) { \
34 message("enable-recursive-minibuffers " \
35 "is not yet available."); \
40 #define GUARD_READ_ONLY() \
42 if (!in_minibuffer) { \
43 message("text is read-only"); \
48 /* return 1 if moved, 0 otherwise */
50 forward_line(struct buffer *buffer, int n)
55 if (buffer->current_line == NULL)
57 vl = buffer->current_line;
62 vl = TAILQ_NEXT(vl, vlines);
65 if (vl->parent->flags & L_HIDDEN)
67 buffer->current_line = vl;
70 vl = TAILQ_PREV(vl, vhead, vlines);
73 if (vl->parent->flags & L_HIDDEN)
75 if (buffer->current_line == buffer->top_line) {
77 buffer->top_line = vl;
79 buffer->current_line = vl;
90 cmd_previous_line(struct buffer *buffer)
92 forward_line(buffer, -1);
96 cmd_next_line(struct buffer *buffer)
98 forward_line(buffer, +1);
102 cmd_backward_char(struct buffer *buffer)
104 if (buffer->cpoff != 0)
109 cmd_forward_char(struct buffer *buffer)
113 if (buffer->current_line == NULL)
116 if (buffer->current_line->line != NULL)
117 len = utf8_cplen(buffer->current_line->line);
118 if (++buffer->cpoff > len)
123 cmd_backward_paragraph(struct buffer *buffer)
126 if (!forward_line(buffer, -1)) {
127 message("No previous paragraph");
130 } while (buffer->current_line->line != NULL ||
131 buffer->current_line->parent->type != LINE_TEXT);
135 cmd_forward_paragraph(struct buffer *buffer)
138 if (!forward_line(buffer, +1)) {
139 message("No next paragraph");
142 } while (buffer->current_line->line != NULL ||
143 buffer->current_line->parent->type != LINE_TEXT);
147 cmd_move_beginning_of_line(struct buffer *buffer)
153 cmd_move_end_of_line(struct buffer *buffer)
157 vl = buffer->current_line;
158 if (vl == NULL || vl->line == NULL)
160 buffer->cpoff = utf8_cplen(vl->line);
164 cmd_redraw(struct buffer *buffer)
166 ui_schedule_redraw();
170 cmd_scroll_line_up(struct buffer *buffer)
175 if (buffer->top_line == NULL)
178 if ((vl = TAILQ_PREV(buffer->top_line, vhead, vlines))
182 buffer->top_line = vl;
184 if (vl->parent->flags & L_HIDDEN)
192 forward_line(buffer, -1);
196 cmd_scroll_line_down(struct buffer *buffer)
198 if (!forward_line(buffer, +1))
202 if (buffer->top_line == NULL)
205 buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
206 if (buffer->top_line->parent->flags & L_HIDDEN)
215 cmd_scroll_up(struct buffer *buffer)
220 if (buffer->top_line == NULL)
223 for (i = 0; i < body_lines; ++i) {
224 vl = TAILQ_PREV(buffer->top_line, vhead, vlines);
228 buffer->top_line = vl;
229 forward_line(buffer, -1);
234 cmd_scroll_down(struct buffer *buffer)
238 if (buffer->top_line == NULL)
241 for (i = 0; i < body_lines; ++i) {
242 if (!forward_line(buffer, +1))
245 buffer->top_line = TAILQ_NEXT(buffer->top_line,
252 cmd_beginning_of_buffer(struct buffer *buffer)
254 buffer->current_line = TAILQ_FIRST(&buffer->head);
256 buffer->top_line = buffer->current_line;
257 buffer->line_off = 0;
261 cmd_end_of_buffer(struct buffer *buffer)
263 buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
265 if (buffer->current_line == NULL)
268 /* deal with invisible lines */
269 if (buffer->current_line->parent->flags & L_HIDDEN)
270 forward_line(buffer, -1);
272 cmd_move_end_of_line(buffer);
276 kill_telescope_cb(int r, struct tab *tab)
285 cmd_kill_telescope(struct buffer *buffer)
287 yornp("really quit?", kill_telescope_cb, NULL);
291 cmd_push_button(struct buffer *buffer)
296 vl = buffer->current_line;
301 switch (vl->parent->type) {
303 load_url_in_tab(current_tab, vl->parent->alt, NULL, 0);
306 l = TAILQ_NEXT(vl->parent, lines);
307 for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
308 if (l->type == LINE_PRE_END)
310 l->flags ^= L_HIDDEN;
311 if (l->flags & L_HIDDEN)
323 cmd_push_button_new_tab(struct buffer *buffer)
327 vl = buffer->current_line;
328 if (vl == NULL || vl->parent->type != LINE_LINK)
331 new_tab(vl->parent->alt, current_tab->hist_cur->h, current_tab);
335 cmd_previous_button(struct buffer *buffer)
337 struct excursion place;
339 save_excursion(&place, buffer);
342 if (!forward_line(buffer, -1)) {
343 restore_excursion(&place, buffer);
344 message("No previous link");
347 } while (buffer->current_line->parent->type != LINE_LINK);
351 cmd_next_button(struct buffer *buffer)
353 struct excursion place;
355 save_excursion(&place, buffer);
358 if (!forward_line(buffer, +1)){
359 restore_excursion(&place, buffer);
360 message("No next link");
363 } while (buffer->current_line->parent->type != LINE_LINK);
367 is_heading(const struct line *l)
369 return l->type == LINE_TITLE_1 ||
370 l->type == LINE_TITLE_2 ||
371 l->type == LINE_TITLE_3;
375 cmd_previous_heading(struct buffer *buffer)
377 struct excursion place;
379 save_excursion(&place, buffer);
382 if (!forward_line(buffer, -1)) {
383 restore_excursion(&place, buffer);
384 message("No previous heading");
387 } while (!is_heading(buffer->current_line->parent));
391 cmd_next_heading(struct buffer *buffer)
393 struct excursion place;
395 save_excursion(&place, buffer);
398 if (!forward_line(buffer, +1)) {
399 restore_excursion(&place, buffer);
400 message("No next heading");
403 } while (!is_heading(buffer->current_line->parent));
407 cmd_previous_page(struct buffer *buffer)
409 if (!load_previous_page(current_tab))
410 message("No previous page");
412 start_loading_anim(current_tab);
416 cmd_next_page(struct buffer *buffer)
418 if (!load_next_page(current_tab))
419 message("No next page");
421 start_loading_anim(current_tab);
425 cmd_clear_minibuf(struct buffer *buffer)
431 cmd_execute_extended_command(struct buffer *buffer)
435 GUARD_RECURSIVE_MINIBUFFER();
437 enter_minibuffer(sensible_self_insert, eecmd_select, exit_minibuffer,
438 &eecmd_history, compl_eecmd, NULL);
440 len = sizeof(ministate.prompt);
441 strlcpy(ministate.prompt, "", len);
444 strlcat(ministate.prompt, "M-", len);
446 strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
449 strlcat(ministate.prompt, " ", len);
453 cmd_tab_close(struct buffer *buffer)
459 if ((t = TAILQ_NEXT(tab, tabs)) != NULL ||
460 (t = TAILQ_PREV(tab, tabshead, tabs)) != NULL) {
464 message("Can't close the only tab.");
469 cmd_tab_close_other(struct buffer *buffer)
473 TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
474 if (t == current_tab)
482 cmd_tab_undo_close(struct buffer *buffer)
486 if ((t = unkill_tab()) == NULL) {
487 message("No recently-closed tabs");
495 cmd_tab_new(struct buffer *buffer)
499 if ((url = new_tab_url) == NULL)
502 new_tab(url, NULL, NULL);
506 cmd_tab_next(struct buffer *buffer)
510 if ((t = TAILQ_NEXT(current_tab, tabs)) == NULL)
511 t = TAILQ_FIRST(&tabshead);
516 cmd_tab_previous(struct buffer *buffer)
520 if ((t = TAILQ_PREV(current_tab, tabshead, tabs)) == NULL)
521 t = TAILQ_LAST(&tabshead, tabshead);
526 cmd_tab_move(struct buffer *buffer)
530 t = TAILQ_NEXT(current_tab, tabs);
531 TAILQ_REMOVE(&tabshead, current_tab, tabs);
534 TAILQ_INSERT_HEAD(&tabshead, current_tab, tabs);
536 TAILQ_INSERT_AFTER(&tabshead, t, current_tab, tabs);
540 cmd_tab_move_to(struct buffer *buffer)
544 t = TAILQ_PREV(current_tab, tabshead, tabs);
545 TAILQ_REMOVE(&tabshead, current_tab, tabs);
548 TAILQ_INSERT_TAIL(&tabshead, current_tab, tabs);
550 TAILQ_INSERT_BEFORE(t, current_tab, tabs);
554 cmd_tab_select(struct buffer *buffer)
556 GUARD_RECURSIVE_MINIBUFFER();
558 enter_minibuffer(sensible_self_insert, ts_select, exit_minibuffer,
559 NULL, compl_ts, NULL);
560 strlcpy(ministate.prompt, "Select tab: ", sizeof(ministate.prompt));
564 cmd_load_url(struct buffer *buffer)
566 GUARD_RECURSIVE_MINIBUFFER();
568 enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
569 &lu_history, NULL, NULL);
570 strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
574 cmd_load_current_url(struct buffer *buffer)
576 GUARD_RECURSIVE_MINIBUFFER();
578 enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
579 &lu_history, NULL, NULL);
580 strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
581 strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
582 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
586 cmd_reload_page(struct buffer *buffer)
588 load_url_in_tab(current_tab, current_tab->hist_cur->h, NULL, 1);
592 cmd_bookmark_page(struct buffer *buffer)
594 GUARD_RECURSIVE_MINIBUFFER();
596 enter_minibuffer(sensible_self_insert, bp_select, exit_minibuffer, NULL,
598 strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
599 strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
600 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
604 cmd_list_bookmarks(struct buffer *buffer)
606 load_url_in_tab(current_tab, "about:bookmarks", NULL, 0);
610 cmd_toggle_help(struct buffer *buffer)
612 ui_toggle_side_window(SIDE_WINDOW_LEFT);
616 cmd_link_select(struct buffer *buffer)
620 GUARD_RECURSIVE_MINIBUFFER();
622 l = TAILQ_FIRST(&buffer->page.head);
623 while (l != NULL && l->type != LINE_LINK)
624 l = TAILQ_NEXT(l, lines);
627 message("No links found");
631 enter_minibuffer(sensible_self_insert, ls_select, exit_minibuffer,
633 strlcpy(ministate.prompt, "Select link: ", sizeof(ministate.prompt));
637 cmd_swiper(struct buffer *buffer)
639 GUARD_RECURSIVE_MINIBUFFER();
641 enter_minibuffer(sensible_self_insert, swiper_select, exit_minibuffer,
642 NULL, compl_swiper, TAILQ_FIRST(&buffer->page.head));
643 strlcpy(ministate.prompt, "Select line: ", sizeof(ministate.prompt));
647 cmd_toc(struct buffer *buffer)
651 GUARD_RECURSIVE_MINIBUFFER();
653 l = TAILQ_FIRST(&buffer->page.head);
655 l->type != LINE_TITLE_1 &&
656 l->type != LINE_TITLE_2 &&
657 l->type != LINE_TITLE_3)
658 l = TAILQ_NEXT(l, lines);
661 message("No headings found");
665 enter_minibuffer(sensible_self_insert, toc_select, exit_minibuffer,
667 strlcpy(ministate.prompt, "Select heading: ",
668 sizeof(ministate.prompt));
672 cmd_inc_fill_column(struct buffer *buffer)
674 if (fill_column == INT_MAX)
678 message("fill-column: %d", fill_column);
680 ui_schedule_redraw();
684 cmd_dec_fill_column(struct buffer *buffer)
686 if (fill_column == INT_MAX || fill_column < 8)
690 message("fill-column: %d", fill_column);
692 ui_schedule_redraw();
696 cmd_olivetti_mode(struct buffer *buffer)
698 olivetti_mode = !olivetti_mode;
700 message("olivetti-mode enabled");
702 message("olivetti-mode disabled");
704 ui_schedule_redraw();
708 cmd_mini_delete_char(struct buffer *buffer)
714 minibuffer_taint_hist();
716 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
721 memmove(c, n, strlen(n)+1);
723 recompute_completions(0);
727 cmd_mini_delete_backward_char(struct buffer *buffer)
733 minibuffer_taint_hist();
735 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
736 start = buffer->current_line->line;
739 p = utf8_prev_cp(c-1, start);
741 memmove(p, c, strlen(c)+1);
744 recompute_completions(0);
748 cmd_mini_kill_line(struct buffer *buffer)
754 minibuffer_taint_hist();
755 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
758 recompute_completions(0);
762 cmd_mini_abort(struct buffer *buffer)
771 cmd_mini_complete_and_exit(struct buffer *buffer)
776 minibuffer_taint_hist();
781 cmd_mini_previous_history_element(struct buffer *buffer)
783 if (ministate.history == NULL) {
784 message("No history");
788 if (ministate.hist_cur == NULL ||
789 (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
790 ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
791 ministate.hist_off = ministate.history->len - 1;
792 if (ministate.hist_cur == NULL)
793 message("No prev history item");
795 ministate.hist_off--;
798 if (ministate.hist_cur != NULL)
799 buffer->current_line->line = ministate.hist_cur->h;
803 cmd_mini_next_history_element(struct buffer *buffer)
805 if (ministate.history == NULL) {
806 message("No history");
810 if (ministate.hist_cur == NULL ||
811 (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
812 ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
813 ministate.hist_off = 0;
814 if (ministate.hist_cur == NULL)
815 message("No next history item");
817 ministate.hist_off++;
820 if (ministate.hist_cur != NULL)
821 buffer->current_line->line = ministate.hist_cur->h;
825 cmd_previous_completion(struct buffer *buffer)
827 if (in_minibuffer != MB_COMPREAD)
830 buffer = &ministate.compl.buffer;
832 if (buffer->current_line != NULL)
833 buffer->current_line->parent->type = LINE_COMPL;
835 forward_line(buffer, -1);
837 if (buffer->current_line != NULL)
838 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
842 cmd_next_completion(struct buffer *buffer)
844 if (in_minibuffer != MB_COMPREAD)
847 buffer = &ministate.compl.buffer;
849 if (buffer->current_line != NULL)
850 buffer->current_line->parent->type = LINE_COMPL;
852 forward_line(buffer, +1);
854 if (buffer->current_line != NULL)
855 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
859 cmd_insert_current_candidate(struct buffer *buffer)
861 if (in_minibuffer != MB_COMPREAD)
864 minibuffer_insert_current_candidate();
868 cmd_suspend_telescope(struct buffer *buffer)
875 cmd_toggle_pre_wrap(struct buffer *buffer)
877 dont_wrap_pre = !dont_wrap_pre;
880 message("Don't wrap preformatted blocks");
882 message("Wrap preformatted blocks");
884 ui_schedule_redraw();
888 cmd_mini_goto_beginning(struct buffer *buffer)
895 buffer = &ministate.compl.buffer;
897 if ((vl = buffer->current_line) != NULL)
898 vl->parent->type = LINE_COMPL;
900 vl = TAILQ_FIRST(&buffer->head);
901 while (vl != NULL && vl->parent->flags & L_HIDDEN)
902 vl = TAILQ_NEXT(vl, vlines);
907 vl->parent->type = LINE_COMPL_CURRENT;
908 buffer->top_line = vl;
909 buffer->current_line = vl;
913 cmd_mini_goto_end(struct buffer *buffer)
920 buffer = &ministate.compl.buffer;
922 if ((vl = buffer->current_line) != NULL)
923 vl->parent->type = LINE_COMPL;
925 vl = TAILQ_LAST(&buffer->head, vhead);
926 while (vl != NULL && vl->parent->flags & L_HIDDEN)
927 vl = TAILQ_PREV(vl, vhead, vlines);
932 vl->parent->type = LINE_COMPL_CURRENT;
933 buffer->current_line = vl;
937 cmd_other_window(struct buffer *buffer)
943 cmd_mini_scroll_up(struct buffer *buffer)
948 buffer = &ministate.compl.buffer;
949 if (buffer->current_line == NULL)
952 buffer->current_line->parent->type = LINE_COMPL;
953 cmd_scroll_up(buffer);
954 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
958 cmd_mini_scroll_down(struct buffer *buffer)
963 buffer = &ministate.compl.buffer;
964 if (buffer->current_line == NULL)
967 buffer->current_line->parent->type = LINE_COMPL;
968 cmd_scroll_down(buffer);
969 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
973 cmd_toggle_downloads(struct buffer *buffer)
975 ui_toggle_side_window(SIDE_WINDOW_BOTTOM);