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"
26 #include "telescope.h"
30 #define GUARD_RECURSIVE_MINIBUFFER() \
32 if (in_minibuffer) { \
33 message("enable-recursive-minibuffers " \
34 "is not yet available."); \
39 #define GUARD_READ_ONLY() \
41 if (!in_minibuffer) { \
42 message("text is read-only"); \
47 /* return 1 if moved, 0 otherwise */
49 forward_line(struct buffer *buffer, int n)
54 if (buffer->current_line == NULL)
56 vl = buffer->current_line;
61 vl = TAILQ_NEXT(vl, vlines);
64 if (vl->parent->flags & L_HIDDEN)
66 buffer->current_line = vl;
69 vl = TAILQ_PREV(vl, vhead, vlines);
72 if (vl->parent->flags & L_HIDDEN)
74 if (buffer->current_line == buffer->top_line) {
76 buffer->top_line = vl;
78 buffer->current_line = vl;
89 cmd_previous_line(struct buffer *buffer)
91 forward_line(buffer, -1);
95 cmd_next_line(struct buffer *buffer)
97 forward_line(buffer, +1);
101 cmd_backward_char(struct buffer *buffer)
103 if (buffer->cpoff != 0)
108 cmd_forward_char(struct buffer *buffer)
112 if (buffer->current_line == NULL)
115 if (buffer->current_line->line != NULL)
116 len = utf8_cplen(buffer->current_line->line);
117 if (++buffer->cpoff > len)
122 cmd_backward_paragraph(struct buffer *buffer)
125 if (!forward_line(buffer, -1)) {
126 message("No previous paragraph");
129 } while (buffer->current_line->line != NULL ||
130 buffer->current_line->parent->type != LINE_TEXT);
134 cmd_forward_paragraph(struct buffer *buffer)
137 if (!forward_line(buffer, +1)) {
138 message("No next paragraph");
141 } while (buffer->current_line->line != NULL ||
142 buffer->current_line->parent->type != LINE_TEXT);
146 cmd_move_beginning_of_line(struct buffer *buffer)
152 cmd_move_end_of_line(struct buffer *buffer)
156 vl = buffer->current_line;
157 if (vl == NULL || vl->line == NULL)
159 buffer->cpoff = utf8_cplen(vl->line);
163 cmd_redraw(struct buffer *buffer)
165 ui_schedule_redraw();
169 cmd_scroll_line_up(struct buffer *buffer)
173 if ((vl = TAILQ_PREV(buffer->top_line, vhead, vlines))
177 forward_line(buffer, -1);
179 buffer->top_line = vl;
183 cmd_scroll_line_down(struct buffer *buffer)
185 if (!forward_line(buffer, +1))
188 buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
193 cmd_scroll_up(struct buffer *buffer)
198 for (i = 0; i < body_lines; ++i) {
199 vl = TAILQ_PREV(buffer->top_line, vhead, vlines);
203 buffer->top_line = vl;
204 forward_line(buffer, -1);
209 cmd_scroll_down(struct buffer *buffer)
213 for (i = 0; i < body_lines; ++i) {
214 if (!forward_line(buffer, +1))
217 buffer->top_line = TAILQ_NEXT(buffer->top_line,
224 cmd_beginning_of_buffer(struct buffer *buffer)
226 buffer->current_line = TAILQ_FIRST(&buffer->head);
228 buffer->top_line = buffer->current_line;
229 buffer->line_off = 0;
233 cmd_end_of_buffer(struct buffer *buffer)
235 buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
237 if (buffer->current_line == NULL)
240 /* deal with invisible lines */
241 if (buffer->current_line->parent->flags & L_HIDDEN)
242 forward_line(buffer, -1);
244 cmd_move_end_of_line(buffer);
248 cmd_kill_telescope(struct buffer *buffer)
255 cmd_push_button(struct buffer *buffer)
260 vl = buffer->current_line;
265 switch (vl->parent->type) {
267 load_url_in_tab(current_tab, vl->parent->alt, NULL);
270 l = TAILQ_NEXT(vl->parent, lines);
271 for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
272 if (l->type == LINE_PRE_END)
274 l->flags ^= L_HIDDEN;
275 if (l->flags & L_HIDDEN)
287 cmd_push_button_new_tab(struct buffer *buffer)
291 vl = buffer->current_line;
292 if (vl == NULL || vl->parent->type != LINE_LINK)
295 new_tab(vl->parent->alt, current_tab->hist_cur->h);
299 cmd_previous_button(struct buffer *buffer)
301 struct excursion place;
303 save_excursion(&place, buffer);
306 if (!forward_line(buffer, -1)) {
307 restore_excursion(&place, buffer);
308 message("No previous link");
311 } while (buffer->current_line->parent->type != LINE_LINK);
315 cmd_next_button(struct buffer *buffer)
317 struct excursion place;
319 save_excursion(&place, buffer);
322 if (!forward_line(buffer, +1)){
323 restore_excursion(&place, buffer);
324 message("No next link");
327 } while (buffer->current_line->parent->type != LINE_LINK);
331 is_heading(const struct line *l)
333 return l->type == LINE_TITLE_1 ||
334 l->type == LINE_TITLE_2 ||
335 l->type == LINE_TITLE_3;
339 cmd_previous_heading(struct buffer *buffer)
341 struct excursion place;
343 save_excursion(&place, buffer);
346 if (!forward_line(buffer, -1)) {
347 restore_excursion(&place, buffer);
348 message("No previous heading");
351 } while (!is_heading(buffer->current_line->parent));
355 cmd_next_heading(struct buffer *buffer)
357 struct excursion place;
359 save_excursion(&place, buffer);
362 if (!forward_line(buffer, +1)) {
363 restore_excursion(&place, buffer);
364 message("No next heading");
367 } while (!is_heading(buffer->current_line->parent));
371 cmd_previous_page(struct buffer *buffer)
373 if (!load_previous_page(current_tab))
374 message("No previous page");
376 start_loading_anim(current_tab);
380 cmd_next_page(struct buffer *buffer)
382 if (!load_next_page(current_tab))
383 message("No next page");
385 start_loading_anim(current_tab);
389 cmd_clear_minibuf(struct buffer *buffer)
395 cmd_execute_extended_command(struct buffer *buffer)
399 GUARD_RECURSIVE_MINIBUFFER();
401 enter_minibuffer(eecmd_self_insert, eecmd_select, exit_minibuffer,
402 &eecmd_history, compl_eecmd, NULL);
404 len = sizeof(ministate.prompt);
405 strlcpy(ministate.prompt, "", len);
408 strlcat(ministate.prompt, "M-", len);
410 strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
413 strlcat(ministate.prompt, " ", len);
417 cmd_tab_close(struct buffer *buffer)
423 if ((t = TAILQ_NEXT(tab, tabs)) != NULL ||
424 (t = TAILQ_PREV(tab, tabshead, tabs)) != NULL) {
428 message("Can't close the only tab.");
433 cmd_tab_close_other(struct buffer *buffer)
437 TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
438 if (t == current_tab)
446 cmd_tab_new(struct buffer *buffer)
450 if ((url = new_tab_url) == NULL)
457 cmd_tab_next(struct buffer *buffer)
461 if ((t = TAILQ_NEXT(current_tab, tabs)) == NULL)
462 t = TAILQ_FIRST(&tabshead);
467 cmd_tab_previous(struct buffer *buffer)
471 if ((t = TAILQ_PREV(current_tab, tabshead, tabs)) == NULL)
472 t = TAILQ_LAST(&tabshead, tabshead);
477 cmd_tab_move(struct buffer *buffer)
481 t = TAILQ_NEXT(current_tab, tabs);
482 TAILQ_REMOVE(&tabshead, current_tab, tabs);
485 TAILQ_INSERT_HEAD(&tabshead, current_tab, tabs);
487 TAILQ_INSERT_AFTER(&tabshead, t, current_tab, tabs);
491 cmd_tab_move_to(struct buffer *buffer)
495 t = TAILQ_PREV(current_tab, tabshead, tabs);
496 TAILQ_REMOVE(&tabshead, current_tab, tabs);
499 if (TAILQ_EMPTY(&tabshead))
500 TAILQ_INSERT_HEAD(&tabshead, current_tab, tabs);
502 TAILQ_INSERT_TAIL(&tabshead, current_tab, tabs);
504 TAILQ_INSERT_BEFORE(t, current_tab, tabs);
508 cmd_tab_select(struct buffer *buffer)
510 GUARD_RECURSIVE_MINIBUFFER();
512 enter_minibuffer(sensible_self_insert, ts_select, exit_minibuffer,
513 NULL, compl_ts, NULL);
514 strlcpy(ministate.prompt, "Select tab: ", sizeof(ministate.prompt));
518 cmd_load_url(struct buffer *buffer)
520 GUARD_RECURSIVE_MINIBUFFER();
522 enter_minibuffer(sensible_self_insert, lu_select, exit_minibuffer,
523 &lu_history, NULL, NULL);
524 strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
525 strlcpy(ministate.buf, "gemini://", sizeof(ministate.buf));
526 cmd_move_end_of_line(&ministate.buffer);
530 cmd_load_current_url(struct buffer *buffer)
532 GUARD_RECURSIVE_MINIBUFFER();
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, current_tab->hist_cur->h, sizeof(ministate.buf));
538 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
542 cmd_reload_page(struct buffer *buffer)
544 load_url_in_tab(current_tab, current_tab->hist_cur->h, NULL);
548 cmd_bookmark_page(struct buffer *buffer)
550 GUARD_RECURSIVE_MINIBUFFER();
552 enter_minibuffer(sensible_self_insert, bp_select, exit_minibuffer, NULL,
554 strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
555 strlcpy(ministate.buf, current_tab->hist_cur->h, sizeof(ministate.buf));
556 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
560 cmd_list_bookmarks(struct buffer *buffer)
562 load_url_in_tab(current_tab, "about:bookmarks", NULL);
566 cmd_toggle_help(struct buffer *buffer)
568 ui_toggle_side_window();
572 cmd_link_select(struct buffer *buffer)
576 GUARD_RECURSIVE_MINIBUFFER();
578 l = TAILQ_FIRST(&buffer->page.head);
579 while (l != NULL && l->type != LINE_LINK)
580 l = TAILQ_NEXT(l, lines);
583 message("No links found");
587 enter_minibuffer(sensible_self_insert, ls_select, exit_minibuffer,
589 strlcpy(ministate.prompt, "Select link: ", sizeof(ministate.prompt));
593 cmd_swiper(struct buffer *buffer)
595 GUARD_RECURSIVE_MINIBUFFER();
597 enter_minibuffer(sensible_self_insert, swiper_select, exit_minibuffer,
598 NULL, compl_swiper, TAILQ_FIRST(&buffer->page.head));
599 strlcpy(ministate.prompt, "Select line: ", sizeof(ministate.prompt));
603 cmd_toc(struct buffer *buffer)
607 GUARD_RECURSIVE_MINIBUFFER();
609 l = TAILQ_FIRST(&buffer->page.head);
611 l->type != LINE_TITLE_1 &&
612 l->type != LINE_TITLE_2 &&
613 l->type != LINE_TITLE_3)
614 l = TAILQ_NEXT(l, lines);
617 message("No headings found");
621 enter_minibuffer(sensible_self_insert, toc_select, exit_minibuffer,
623 strlcpy(ministate.prompt, "Select heading: ",
624 sizeof(ministate.prompt));
628 cmd_inc_fill_column(struct buffer *buffer)
630 if (fill_column == INT_MAX)
634 message("fill-column: %d", fill_column);
636 ui_schedule_redraw();
640 cmd_dec_fill_column(struct buffer *buffer)
642 if (fill_column == INT_MAX || fill_column < 8)
646 message("fill-column: %d", fill_column);
648 ui_schedule_redraw();
652 cmd_olivetti_mode(struct buffer *buffer)
654 olivetti_mode = !olivetti_mode;
656 message("olivetti-mode enabled");
658 message("olivetti-mode disabled");
660 ui_schedule_redraw();
664 cmd_mini_delete_char(struct buffer *buffer)
670 minibuffer_taint_hist();
672 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
677 memmove(c, n, strlen(n)+1);
679 recompute_completions(0);
683 cmd_mini_delete_backward_char(struct buffer *buffer)
689 minibuffer_taint_hist();
691 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
692 start = buffer->current_line->line;
695 p = utf8_prev_cp(c-1, start);
697 memmove(p, c, strlen(c)+1);
700 recompute_completions(0);
704 cmd_mini_kill_line(struct buffer *buffer)
710 minibuffer_taint_hist();
711 c = utf8_nth(buffer->current_line->line, buffer->cpoff);
714 recompute_completions(0);
718 cmd_mini_abort(struct buffer *buffer)
727 cmd_mini_complete_and_exit(struct buffer *buffer)
732 minibuffer_taint_hist();
737 cmd_mini_previous_history_element(struct buffer *buffer)
739 if (ministate.history == NULL) {
740 message("No history");
744 if (ministate.hist_cur == NULL ||
745 (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
746 ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
747 ministate.hist_off = ministate.history->len - 1;
748 if (ministate.hist_cur == NULL)
749 message("No prev history item");
751 ministate.hist_off--;
754 if (ministate.hist_cur != NULL)
755 buffer->current_line->line = ministate.hist_cur->h;
759 cmd_mini_next_history_element(struct buffer *buffer)
761 if (ministate.history == NULL) {
762 message("No history");
766 if (ministate.hist_cur == NULL ||
767 (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
768 ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
769 ministate.hist_off = 0;
770 if (ministate.hist_cur == NULL)
771 message("No next history item");
773 ministate.hist_off++;
776 if (ministate.hist_cur != NULL)
777 buffer->current_line->line = ministate.hist_cur->h;
781 cmd_previous_completion(struct buffer *buffer)
783 if (in_minibuffer != MB_COMPREAD)
786 buffer = &ministate.compl.buffer;
788 if (buffer->current_line != NULL)
789 buffer->current_line->parent->type = LINE_COMPL;
791 forward_line(buffer, -1);
793 if (buffer->current_line != NULL)
794 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
798 cmd_next_completion(struct buffer *buffer)
800 if (in_minibuffer != MB_COMPREAD)
803 buffer = &ministate.compl.buffer;
805 if (buffer->current_line != NULL)
806 buffer->current_line->parent->type = LINE_COMPL;
808 forward_line(buffer, +1);
810 if (buffer->current_line != NULL)
811 buffer->current_line->parent->type = LINE_COMPL_CURRENT;
815 cmd_insert_current_candidate(struct buffer *buffer)
819 if (in_minibuffer != MB_COMPREAD)
822 buffer = &ministate.compl.buffer;
823 if ((vl = buffer->current_line) == NULL)
826 minibuffer_taint_hist();
827 strlcpy(ministate.buf, vl->parent->line, sizeof(ministate.buf));
828 ministate.buffer.cpoff = utf8_cplen(ministate.buf);
832 cmd_suspend_telescope(struct buffer *buffer)
839 cmd_toggle_pre_wrap(struct buffer *buffer)
841 dont_wrap_pre = !dont_wrap_pre;
844 message("Don't wrap preformatted blocks");
846 message("Wrap preformatted blocks");
848 ui_schedule_redraw();
852 cmd_mini_goto_beginning(struct buffer *buffer)
859 buffer = &ministate.compl.buffer;
861 if ((vl = buffer->current_line) != NULL)
862 vl->parent->type = LINE_COMPL;
864 vl = TAILQ_FIRST(&buffer->head);
865 while (vl != NULL && vl->parent->flags & L_HIDDEN)
866 vl = TAILQ_NEXT(vl, vlines);
871 vl->parent->type = LINE_COMPL_CURRENT;
872 buffer->top_line = vl;
873 buffer->current_line = vl;
877 cmd_mini_goto_end(struct buffer *buffer)
884 buffer = &ministate.compl.buffer;
886 if ((vl = buffer->current_line) != NULL)
887 vl->parent->type = LINE_COMPL;
889 vl = TAILQ_LAST(&buffer->head, vhead);
890 while (vl != NULL && vl->parent->flags & L_HIDDEN)
891 vl = TAILQ_PREV(vl, vhead, vlines);
896 vl->parent->type = LINE_COMPL_CURRENT;
897 buffer->current_line = vl;
901 cmd_other_window(struct buffer *buffer)