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,
307 l = TAILQ_NEXT(vl->parent, lines);
308 for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
309 if (l->type == LINE_PRE_END)
311 l->flags ^= L_HIDDEN;
312 if (l->flags & L_HIDDEN)
324 cmd_push_button_new_tab(struct buffer *buffer)
328 vl = buffer->current_line;
329 if (vl == NULL || vl->parent->type != LINE_LINK)
332 new_tab(vl->parent->alt, current_tab->hist_cur->h, current_tab);
336 cmd_previous_button(struct buffer *buffer)
338 struct excursion place;
340 save_excursion(&place, buffer);
343 if (!forward_line(buffer, -1)) {
344 restore_excursion(&place, buffer);
345 message("No previous link");
348 } while (buffer->current_line->parent->type != LINE_LINK);
352 cmd_next_button(struct buffer *buffer)
354 struct excursion place;
356 save_excursion(&place, buffer);
359 if (!forward_line(buffer, +1)){
360 restore_excursion(&place, buffer);
361 message("No next link");
364 } while (buffer->current_line->parent->type != LINE_LINK);
368 is_heading(const struct line *l)
370 return l->type == LINE_TITLE_1 ||
371 l->type == LINE_TITLE_2 ||
372 l->type == LINE_TITLE_3;
376 cmd_previous_heading(struct buffer *buffer)
378 struct excursion place;
380 save_excursion(&place, buffer);
383 if (!forward_line(buffer, -1)) {
384 restore_excursion(&place, buffer);
385 message("No previous heading");
388 } while (!is_heading(buffer->current_line->parent));
392 cmd_next_heading(struct buffer *buffer)
394 struct excursion place;
396 save_excursion(&place, buffer);
399 if (!forward_line(buffer, +1)) {
400 restore_excursion(&place, buffer);
401 message("No next heading");
404 } while (!is_heading(buffer->current_line->parent));
408 cmd_previous_page(struct buffer *buffer)
410 if (!load_previous_page(current_tab))
411 message("No previous page");
415 cmd_next_page(struct buffer *buffer)
417 if (!load_next_page(current_tab))
418 message("No next page");
422 cmd_clear_minibuf(struct buffer *buffer)
428 cmd_execute_extended_command(struct buffer *buffer)
432 GUARD_RECURSIVE_MINIBUFFER();
434 enter_minibuffer(sensible_self_insert, eecmd_select, exit_minibuffer,
435 &eecmd_history, compl_eecmd, NULL);
437 len = sizeof(ministate.prompt);
438 strlcpy(ministate.prompt, "", len);
441 strlcat(ministate.prompt, "M-", len);
443 strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
446 strlcat(ministate.prompt, " ", len);
450 cmd_tab_close(struct buffer *buffer)
456 if ((t = TAILQ_NEXT(tab, tabs)) != NULL ||
457 (t = TAILQ_PREV(tab, tabshead, tabs)) != NULL) {
461 message("Can't close the only tab.");
466 cmd_tab_close_other(struct buffer *buffer)
470 TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
471 if (t == current_tab)
479 cmd_tab_undo_close(struct buffer *buffer)
483 if ((t = unkill_tab()) == NULL) {
484 message("No recently-closed tabs");
492 cmd_tab_new(struct buffer *buffer)
496 if ((url = new_tab_url) == NULL)
499 new_tab(url, NULL, NULL);
503 cmd_tab_next(struct buffer *buffer)
507 if ((t = TAILQ_NEXT(current_tab, tabs)) == NULL)
508 t = TAILQ_FIRST(&tabshead);
513 cmd_tab_previous(struct buffer *buffer)
517 if ((t = TAILQ_PREV(current_tab, tabshead, tabs)) == NULL)
518 t = TAILQ_LAST(&tabshead, tabshead);
523 cmd_tab_move(struct buffer *buffer)
527 t = TAILQ_NEXT(current_tab, tabs);
528 TAILQ_REMOVE(&tabshead, current_tab, tabs);
531 TAILQ_INSERT_HEAD(&tabshead, current_tab, tabs);
533 TAILQ_INSERT_AFTER(&tabshead, t, current_tab, tabs);
537 cmd_tab_move_to(struct buffer *buffer)
541 t = TAILQ_PREV(current_tab, tabshead, tabs);
542 TAILQ_REMOVE(&tabshead, current_tab, tabs);
545 TAILQ_INSERT_TAIL(&tabshead, current_tab, tabs);
547 TAILQ_INSERT_BEFORE(t, current_tab, tabs);
551 cmd_tab_select(struct buffer *buffer)
553 GUARD_RECURSIVE_MINIBUFFER();
555 enter_minibuffer(sensible_self_insert, ts_select, exit_minibuffer,
556 NULL, compl_ts, NULL);
557 strlcpy(ministate.prompt, "Select tab: ", sizeof(ministate.prompt));
561 cmd_load_url(struct buffer *buffer)
563 GUARD_RECURSIVE_MINIBUFFER();
565 enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
566 &lu_history, NULL, NULL);
567 strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
571 cmd_load_current_url(struct buffer *buffer)
573 GUARD_RECURSIVE_MINIBUFFER();
575 enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
576 &lu_history, NULL, NULL);
577 strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
578 strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
579 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
583 cmd_reload_page(struct buffer *buffer)
585 load_url_in_tab(current_tab, current_tab->hist_cur->h, NULL,
586 LU_MODE_NOHIST|LU_MODE_NOCACHE);
590 cmd_bookmark_page(struct buffer *buffer)
592 GUARD_RECURSIVE_MINIBUFFER();
594 enter_minibuffer(sensible_self_insert, bp_select, exit_minibuffer, NULL,
596 strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
597 strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
598 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
602 cmd_list_bookmarks(struct buffer *buffer)
604 load_url_in_tab(current_tab, "about:bookmarks", NULL, LU_MODE_NONE);
608 cmd_toggle_help(struct buffer *buffer)
610 ui_toggle_side_window(SIDE_WINDOW_LEFT);
614 cmd_link_select(struct buffer *buffer)
618 GUARD_RECURSIVE_MINIBUFFER();
620 l = TAILQ_FIRST(&buffer->page.head);
621 while (l != NULL && l->type != LINE_LINK)
622 l = TAILQ_NEXT(l, lines);
625 message("No links found");
629 enter_minibuffer(sensible_self_insert, ls_select, exit_minibuffer,
631 strlcpy(ministate.prompt, "Select link: ", sizeof(ministate.prompt));
635 cmd_swiper(struct buffer *buffer)
637 GUARD_RECURSIVE_MINIBUFFER();
639 enter_minibuffer(sensible_self_insert, swiper_select, exit_minibuffer,
640 NULL, compl_swiper, TAILQ_FIRST(&buffer->page.head));
641 strlcpy(ministate.prompt, "Select line: ", sizeof(ministate.prompt));
645 cmd_toc(struct buffer *buffer)
649 GUARD_RECURSIVE_MINIBUFFER();
651 l = TAILQ_FIRST(&buffer->page.head);
653 l->type != LINE_TITLE_1 &&
654 l->type != LINE_TITLE_2 &&
655 l->type != LINE_TITLE_3)
656 l = TAILQ_NEXT(l, lines);
659 message("No headings found");
663 enter_minibuffer(sensible_self_insert, toc_select, exit_minibuffer,
665 strlcpy(ministate.prompt, "Select heading: ",
666 sizeof(ministate.prompt));
670 cmd_inc_fill_column(struct buffer *buffer)
672 if (fill_column == INT_MAX)
676 message("fill-column: %d", fill_column);
678 ui_schedule_redraw();
682 cmd_dec_fill_column(struct buffer *buffer)
684 if (fill_column == INT_MAX || fill_column < 8)
688 message("fill-column: %d", fill_column);
690 ui_schedule_redraw();
694 cmd_olivetti_mode(struct buffer *buffer)
696 olivetti_mode = !olivetti_mode;
698 message("olivetti-mode enabled");
700 message("olivetti-mode disabled");
702 ui_schedule_redraw();
706 cmd_mini_delete_char(struct buffer *buffer)
712 minibuffer_taint_hist();
714 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
719 memmove(c, n, strlen(n)+1);
721 recompute_completions(0);
725 cmd_mini_delete_backward_char(struct buffer *buffer)
731 minibuffer_taint_hist();
733 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
734 start = buffer->current_line->line;
737 p = utf8_prev_cp(c-1, start);
739 memmove(p, c, strlen(c)+1);
742 recompute_completions(0);
746 cmd_mini_kill_line(struct buffer *buffer)
752 minibuffer_taint_hist();
753 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
756 recompute_completions(0);
760 cmd_mini_abort(struct buffer *buffer)
769 cmd_mini_complete_and_exit(struct buffer *buffer)
774 minibuffer_taint_hist();
779 cmd_mini_previous_history_element(struct buffer *buffer)
781 if (ministate.history == NULL) {
782 message("No history");
786 if (ministate.hist_cur == NULL ||
787 (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
788 ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
789 ministate.hist_off = ministate.history->len - 1;
790 if (ministate.hist_cur == NULL)
791 message("No prev history item");
793 ministate.hist_off--;
796 if (ministate.hist_cur != NULL)
797 buffer->current_line->line = ministate.hist_cur->h;
801 cmd_mini_next_history_element(struct buffer *buffer)
803 if (ministate.history == NULL) {
804 message("No history");
808 if (ministate.hist_cur == NULL ||
809 (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
810 ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
811 ministate.hist_off = 0;
812 if (ministate.hist_cur == NULL)
813 message("No next history item");
815 ministate.hist_off++;
818 if (ministate.hist_cur != NULL)
819 buffer->current_line->line = ministate.hist_cur->h;
823 cmd_previous_completion(struct buffer *buffer)
825 if (in_minibuffer != MB_COMPREAD)
828 buffer = &ministate.compl.buffer;
830 if (buffer->current_line != NULL)
831 buffer->current_line->parent->type = LINE_COMPL;
833 forward_line(buffer, -1);
835 if (buffer->current_line != NULL)
836 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
840 cmd_next_completion(struct buffer *buffer)
842 if (in_minibuffer != MB_COMPREAD)
845 buffer = &ministate.compl.buffer;
847 if (buffer->current_line != NULL)
848 buffer->current_line->parent->type = LINE_COMPL;
850 forward_line(buffer, +1);
852 if (buffer->current_line != NULL)
853 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
857 cmd_insert_current_candidate(struct buffer *buffer)
859 if (in_minibuffer != MB_COMPREAD)
862 minibuffer_insert_current_candidate();
866 cmd_suspend_telescope(struct buffer *buffer)
873 cmd_toggle_pre_wrap(struct buffer *buffer)
875 dont_wrap_pre = !dont_wrap_pre;
878 message("Don't wrap preformatted blocks");
880 message("Wrap preformatted blocks");
882 ui_schedule_redraw();
886 cmd_mini_goto_beginning(struct buffer *buffer)
893 buffer = &ministate.compl.buffer;
895 if ((vl = buffer->current_line) != NULL)
896 vl->parent->type = LINE_COMPL;
898 vl = TAILQ_FIRST(&buffer->head);
899 while (vl != NULL && vl->parent->flags & L_HIDDEN)
900 vl = TAILQ_NEXT(vl, vlines);
905 vl->parent->type = LINE_COMPL_CURRENT;
906 buffer->top_line = vl;
907 buffer->current_line = vl;
911 cmd_mini_goto_end(struct buffer *buffer)
918 buffer = &ministate.compl.buffer;
920 if ((vl = buffer->current_line) != NULL)
921 vl->parent->type = LINE_COMPL;
923 vl = TAILQ_LAST(&buffer->head, vhead);
924 while (vl != NULL && vl->parent->flags & L_HIDDEN)
925 vl = TAILQ_PREV(vl, vhead, vlines);
930 vl->parent->type = LINE_COMPL_CURRENT;
931 buffer->current_line = vl;
935 cmd_other_window(struct buffer *buffer)
941 cmd_mini_scroll_up(struct buffer *buffer)
946 buffer = &ministate.compl.buffer;
947 if (buffer->current_line == NULL)
950 buffer->current_line->parent->type = LINE_COMPL;
951 cmd_scroll_up(buffer);
952 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
956 cmd_mini_scroll_down(struct buffer *buffer)
961 buffer = &ministate.compl.buffer;
962 if (buffer->current_line == NULL)
965 buffer->current_line->parent->type = LINE_COMPL;
966 cmd_scroll_down(buffer);
967 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
971 cmd_toggle_downloads(struct buffer *buffer)
973 ui_toggle_side_window(SIDE_WINDOW_BOTTOM);