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.
23 #include "minibuffer.h"
28 static void *minibuffer_metadata(void);
29 static void minibuffer_hist_save_entry(void);
30 static void yornp_self_insert(void);
31 static void yornp_abort(void);
32 static void read_self_insert(void);
33 static void read_abort(void);
34 static void read_select(void);
35 static void handle_clear_echoarea(int, short, void *);
37 static struct event clechoev;
38 static struct timeval clechoev_timer = { 5, 0 };
40 static void (*yornp_cb)(int, struct tab *);
41 static struct tab *yornp_data;
43 static void (*read_cb)(const char*, struct tab *);
44 static struct tab *read_data;
46 /* XXX: don't forget to init these in minibuffer_init */
47 struct histhead eecmd_history,
52 struct ministate ministate;
54 struct buffer minibufferwin;
59 * Recompute the visible completions. If add is 1, don't consider the
60 * ones already hidden.
63 recompute_completions(int add)
69 if (in_minibuffer != MB_COMPREAD)
72 b = &ministate.compl.buffer;
73 TAILQ_FOREACH(l, &b->page.head, lines) {
75 if (add && l->flags & L_HIDDEN)
77 if (strcasestr(l->line, ministate.buf) != NULL ||
78 (l->alt != NULL && strcasestr(l->alt, ministate.buf) != NULL)) {
79 if (l->flags & L_HIDDEN)
81 l->flags &= ~L_HIDDEN;
83 if (!(l->flags & L_HIDDEN))
89 if (b->current_line == NULL)
90 b->current_line = TAILQ_FIRST(&b->head);
91 b->current_line = adjust_line(b->current_line, b);
94 vl->parent->type = LINE_COMPL_CURRENT;
98 minibuffer_metadata(void)
102 vl = ministate.compl.buffer.current_line;
104 if (vl == NULL || vl->parent->flags & L_HIDDEN)
107 return vl->parent->data;
111 minibuffer_hist_save_entry(void)
115 if (ministate.history == NULL)
118 if ((hist = calloc(1, sizeof(*hist))) == NULL)
121 strlcpy(hist->h, ministate.buf, sizeof(hist->h));
123 TAILQ_INSERT_TAIL(&ministate.history->head, hist, entries);
124 ministate.history->len++;
128 * taint the minibuffer cache: if we're currently showing a history
129 * element, copy that to the current buf and reset the "history
133 minibuffer_taint_hist(void)
135 if (ministate.hist_cur == NULL)
138 strlcpy(ministate.buf, ministate.hist_cur->h, sizeof(ministate.buf));
139 ministate.hist_cur = NULL;
140 ministate.buffer.current_line->line = ministate.buf;
144 minibuffer_self_insert(void)
146 char *c, tmp[5] = {0};
149 minibuffer_taint_hist();
154 len = utf8_encode(thiskey.cp, tmp);
155 c = utf8_nth(ministate.buffer.current_line->line, ministate.buffer.cpoff);
156 if (c + len > ministate.buf + sizeof(ministate.buf) - 1)
159 memmove(c + len, c, strlen(c)+1);
161 ministate.buffer.cpoff++;
163 recompute_completions(1);
167 sensible_self_insert(void)
170 (!unicode_isgraph(thiskey.key) && thiskey.key != ' ')) {
171 global_key_unbound();
175 minibuffer_self_insert();
183 for (cmd = cmds; cmd->cmd != NULL; ++cmd) {
184 if (!strcmp(cmd->cmd, ministate.buf)) {
186 minibuffer_hist_save_entry();
187 cmd->fn(current_buffer());
196 ir_select_gemini(void)
198 char buf[1025] = {0};
200 struct tab *tab = current_tab;
203 minibuffer_hist_save_entry();
205 /* a bit ugly but... */
206 memcpy(&uri, &tab->uri, sizeof(tab->uri));
207 phos_uri_set_query(&uri, ministate.buf);
208 phos_serialize_uri(&uri, buf, sizeof(buf));
209 load_url_in_tab(tab, buf, NULL, 0);
213 ir_select_gopher(void)
216 minibuffer_hist_save_entry();
218 gopher_send_search_req(current_tab, ministate.buf);
224 char url[GEMINI_URL_LEN+1];
227 minibuffer_hist_save_entry();
229 humanify_url(ministate.buf, url, sizeof(url));
230 load_url_in_tab(current_tab, url, NULL, 0);
237 if (*ministate.buf != '\0')
238 add_to_bookmarks(ministate.buf);
248 if ((tab = minibuffer_metadata()) == NULL) {
249 message("No tab selected");
262 if ((l = minibuffer_metadata()) == NULL) {
263 message("No link selected");
268 load_url_in_tab(current_tab, l->alt, NULL, 0);
272 jump_to_line(struct line *l)
275 struct buffer *buffer;
277 buffer = current_buffer();
279 TAILQ_FOREACH(vl, &buffer->head, vlines) {
285 message("Ops, %s error! Please report to %s",
286 __func__, PACKAGE_BUGREPORT);
288 buffer->top_line = vl;
289 buffer->current_line = vl;
298 if ((l = minibuffer_metadata()) == NULL) {
299 message("No line selected");
312 if ((l = minibuffer_metadata()) == NULL) {
313 message("No line selected");
322 yornp_self_insert(void)
324 if (thiskey.key != 'y' && thiskey.key != 'n') {
325 message("Please answer y or n");
330 yornp_cb(thiskey.key == 'y', yornp_data);
337 yornp_cb(0, yornp_data);
341 read_self_insert(void)
343 if (thiskey.meta || !unicode_isgraph(thiskey.cp)) {
344 global_key_unbound();
348 minibuffer_self_insert();
355 read_cb(NULL, read_data);
362 minibuffer_hist_save_entry();
363 read_cb(ministate.buf, read_data);
367 * TODO: we should collect this asynchronously...
370 populate_compl_buffer(complfn *fn, void *data)
372 const char *s, *descr;
378 b = &ministate.compl.buffer;
383 while ((s = fn(&data, &linedata, &descr)) != NULL) {
384 if ((l = calloc(1, sizeof(*l))) == NULL)
387 l->type = LINE_COMPL;
389 l->alt = (char*)descr;
390 if ((l->line = strdup(s)) == NULL)
393 TAILQ_INSERT_TAIL(&p->head, l, lines);
399 if ((l = TAILQ_FIRST(&p->head)) != NULL)
400 l->type = LINE_COMPL_CURRENT;
404 enter_minibuffer(void (*self_insert_fn)(void), void (*donefn)(void),
405 void (*abortfn)(void), struct histhead *hist,
406 complfn *complfn, void *compldata)
408 in_minibuffer = complfn == NULL ? MB_READ : MB_COMPREAD;
409 if (in_minibuffer == MB_COMPREAD) {
410 ui_schedule_redraw();
412 ministate.compl.fn = complfn;
413 ministate.compl.data = compldata;
414 populate_compl_buffer(complfn, compldata);
417 base_map = &minibuffer_map;
418 current_map = &minibuffer_map;
420 base_map->unhandled_input = self_insert_fn;
422 ministate.donefn = donefn;
423 ministate.abortfn = abortfn;
424 memset(ministate.buf, 0, sizeof(ministate.buf));
425 ministate.buffer.current_line = &ministate.vline;
426 ministate.buffer.current_line->line = ministate.buf;
427 ministate.buffer.cpoff = 0;
428 strlcpy(ministate.buf, "", sizeof(ministate.prompt));
430 ministate.history = hist;
431 ministate.hist_cur = NULL;
432 ministate.hist_off = 0;
436 exit_minibuffer(void)
438 if (in_minibuffer == MB_COMPREAD) {
439 erase_buffer(&ministate.compl.buffer);
440 ui_schedule_redraw();
444 base_map = &global_map;
445 current_map = &global_map;
449 yornp(const char *prompt, void (*fn)(int, struct tab*),
461 enter_minibuffer(yornp_self_insert, yornp_self_insert,
462 yornp_abort, NULL, NULL, NULL);
464 len = sizeof(ministate.prompt);
465 strlcpy(ministate.prompt, prompt, len);
466 strlcat(ministate.prompt, " (y or n) ", len);
470 minibuffer_read(const char *prompt, void (*fn)(const char *, struct tab *),
480 enter_minibuffer(read_self_insert, read_select, read_abort,
481 &read_history, NULL, NULL);
483 len = sizeof(ministate.prompt);
484 strlcpy(ministate.prompt, prompt, len);
485 strlcat(ministate.prompt, ": ", len);
489 handle_clear_echoarea(int fd, short ev, void *d)
491 free(ministate.curmesg);
492 ministate.curmesg = NULL;
494 ui_after_message_hook();
498 vmessage(const char *fmt, va_list ap)
500 if (evtimer_pending(&clechoev, NULL))
501 evtimer_del(&clechoev);
503 free(ministate.curmesg);
504 ministate.curmesg = NULL;
507 evtimer_set(&clechoev, handle_clear_echoarea, NULL);
508 evtimer_add(&clechoev, &clechoev_timer);
510 /* TODO: what to do if the allocation fails here? */
511 if (vasprintf(&ministate.curmesg, fmt, ap) == -1)
512 ministate.curmesg = NULL;
515 ui_after_message_hook();
519 message(const char *fmt, ...)
529 minibuffer_init(void)
531 TAILQ_INIT(&eecmd_history.head);
532 TAILQ_INIT(&ir_history.head);
533 TAILQ_INIT(&lu_history.head);
534 TAILQ_INIT(&read_history.head);
536 TAILQ_INIT(&ministate.compl.buffer.head);
537 TAILQ_INIT(&ministate.compl.buffer.page.head);
539 ministate.line.type = LINE_TEXT;
540 ministate.vline.parent = &ministate.line;
541 ministate.buffer.page.name = "*minibuffer*";
542 ministate.buffer.current_line = &ministate.vline;
544 evtimer_set(&clechoev, handle_clear_echoarea, NULL);