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"
27 static void *minibuffer_metadata(void);
28 static void minibuffer_hist_save_entry(void);
29 static void yornp_self_insert(void);
30 static void yornp_abort(void);
31 static void read_self_insert(void);
32 static void read_abort(void);
33 static void read_select(void);
34 static void handle_clear_echoarea(int, short, void *);
36 static struct event clechoev;
37 static struct timeval clechoev_timer = { 5, 0 };
39 static void (*yornp_cb)(int, struct tab *);
40 static struct tab *yornp_data;
42 static void (*read_cb)(const char*, struct tab *);
43 static struct tab *read_data;
45 /* XXX: don't forget to init these in minibuffer_init */
46 struct histhead eecmd_history,
51 struct ministate ministate;
53 struct buffer minibufferwin;
58 * Recompute the visible completions. If add is 1, don't consider the
59 * ones already hidden.
62 recompute_completions(int add)
68 if (in_minibuffer != MB_COMPREAD)
71 b = &ministate.compl.buffer;
72 TAILQ_FOREACH(l, &b->page.head, lines) {
74 if (add && l->flags & L_HIDDEN)
76 if (strcasestr(l->line, ministate.buf) != NULL ||
77 (l->alt != NULL && strcasestr(l->alt, ministate.buf) != NULL)) {
78 if (l->flags & L_HIDDEN)
80 l->flags &= ~L_HIDDEN;
82 if (!(l->flags & L_HIDDEN))
88 if (b->current_line == NULL)
89 b->current_line = TAILQ_FIRST(&b->head);
90 b->current_line = adjust_line(b->current_line, b);
93 vl->parent->type = LINE_COMPL_CURRENT;
97 minibuffer_metadata(void)
101 vl = ministate.compl.buffer.current_line;
103 if (vl == NULL || vl->parent->flags & L_HIDDEN)
106 return vl->parent->data;
110 minibuffer_hist_save_entry(void)
114 if (ministate.history == NULL)
117 if ((hist = calloc(1, sizeof(*hist))) == NULL)
120 strlcpy(hist->h, ministate.buf, sizeof(hist->h));
122 TAILQ_INSERT_TAIL(&ministate.history->head, hist, entries);
123 ministate.history->len++;
127 * taint the minibuffer cache: if we're currently showing a history
128 * element, copy that to the current buf and reset the "history
132 minibuffer_taint_hist(void)
134 if (ministate.hist_cur == NULL)
137 strlcpy(ministate.buf, ministate.hist_cur->h, sizeof(ministate.buf));
138 ministate.hist_cur = NULL;
139 ministate.buffer.current_line->line = ministate.buf;
143 minibuffer_self_insert(void)
145 char *c, tmp[5] = {0};
148 minibuffer_taint_hist();
153 len = utf8_encode(thiskey.cp, tmp);
154 c = utf8_nth(ministate.buffer.current_line->line, ministate.buffer.cpoff);
155 if (c + len > ministate.buf + sizeof(ministate.buf) - 1)
158 memmove(c + len, c, strlen(c)+1);
160 ministate.buffer.cpoff++;
162 recompute_completions(1);
166 sensible_self_insert(void)
169 (!unicode_isgraph(thiskey.key) && thiskey.key != ' ')) {
170 global_key_unbound();
174 minibuffer_self_insert();
182 for (cmd = cmds; cmd->cmd != NULL; ++cmd) {
183 if (!strcmp(cmd->cmd, ministate.buf)) {
185 minibuffer_hist_save_entry();
186 cmd->fn(current_buffer());
195 ir_select_gemini(void)
197 char buf[1025] = {0};
199 struct tab *tab = current_tab;
202 minibuffer_hist_save_entry();
204 /* a bit ugly but... */
205 memcpy(&uri, &tab->uri, sizeof(tab->uri));
206 phos_uri_set_query(&uri, ministate.buf);
207 phos_serialize_uri(&uri, buf, sizeof(buf));
208 load_url_in_tab(tab, buf, NULL, 0);
212 ir_select_gopher(void)
215 minibuffer_hist_save_entry();
217 gopher_send_search_req(current_tab, ministate.buf);
224 minibuffer_hist_save_entry();
225 load_url_in_tab(current_tab, ministate.buf, NULL, 0);
232 if (*ministate.buf != '\0')
233 add_to_bookmarks(ministate.buf);
243 if ((tab = minibuffer_metadata()) == NULL) {
244 message("No tab selected");
257 if ((l = minibuffer_metadata()) == NULL) {
258 message("No link selected");
263 load_url_in_tab(current_tab, l->alt, NULL, 0);
267 jump_to_line(struct line *l)
270 struct buffer *buffer;
272 buffer = current_buffer();
274 TAILQ_FOREACH(vl, &buffer->head, vlines) {
280 message("Ops, %s error! Please report to %s",
281 __func__, PACKAGE_BUGREPORT);
283 buffer->top_line = vl;
284 buffer->current_line = vl;
293 if ((l = minibuffer_metadata()) == NULL) {
294 message("No line selected");
307 if ((l = minibuffer_metadata()) == NULL) {
308 message("No line selected");
317 yornp_self_insert(void)
319 if (thiskey.key != 'y' && thiskey.key != 'n') {
320 message("Please answer y or n");
325 yornp_cb(thiskey.key == 'y', yornp_data);
332 yornp_cb(0, yornp_data);
336 read_self_insert(void)
338 if (thiskey.meta || !unicode_isgraph(thiskey.cp)) {
339 global_key_unbound();
343 minibuffer_self_insert();
350 read_cb(NULL, read_data);
357 minibuffer_hist_save_entry();
358 read_cb(ministate.buf, read_data);
362 * TODO: we should collect this asynchronously...
365 populate_compl_buffer(complfn *fn, void *data)
367 const char *s, *descr;
373 b = &ministate.compl.buffer;
378 while ((s = fn(&data, &linedata, &descr)) != NULL) {
379 if ((l = calloc(1, sizeof(*l))) == NULL)
382 l->type = LINE_COMPL;
384 l->alt = (char*)descr;
385 if ((l->line = strdup(s)) == NULL)
388 TAILQ_INSERT_TAIL(&p->head, l, lines);
394 if ((l = TAILQ_FIRST(&p->head)) != NULL)
395 l->type = LINE_COMPL_CURRENT;
399 enter_minibuffer(void (*self_insert_fn)(void), void (*donefn)(void),
400 void (*abortfn)(void), struct histhead *hist,
401 complfn *complfn, void *compldata)
403 in_minibuffer = complfn == NULL ? MB_READ : MB_COMPREAD;
404 if (in_minibuffer == MB_COMPREAD) {
405 ui_schedule_redraw();
407 ministate.compl.fn = complfn;
408 ministate.compl.data = compldata;
409 populate_compl_buffer(complfn, compldata);
412 base_map = &minibuffer_map;
413 current_map = &minibuffer_map;
415 base_map->unhandled_input = self_insert_fn;
417 ministate.donefn = donefn;
418 ministate.abortfn = abortfn;
419 memset(ministate.buf, 0, sizeof(ministate.buf));
420 ministate.buffer.current_line = &ministate.vline;
421 ministate.buffer.current_line->line = ministate.buf;
422 ministate.buffer.cpoff = 0;
423 strlcpy(ministate.buf, "", sizeof(ministate.prompt));
425 ministate.history = hist;
426 ministate.hist_cur = NULL;
427 ministate.hist_off = 0;
431 exit_minibuffer(void)
433 if (in_minibuffer == MB_COMPREAD) {
434 erase_buffer(&ministate.compl.buffer);
435 ui_schedule_redraw();
439 base_map = &global_map;
440 current_map = &global_map;
444 yornp(const char *prompt, void (*fn)(int, struct tab*),
456 enter_minibuffer(yornp_self_insert, yornp_self_insert,
457 yornp_abort, NULL, NULL, NULL);
459 len = sizeof(ministate.prompt);
460 strlcpy(ministate.prompt, prompt, len);
461 strlcat(ministate.prompt, " (y or n) ", len);
465 minibuffer_read(const char *prompt, void (*fn)(const char *, struct tab *),
475 enter_minibuffer(read_self_insert, read_select, read_abort,
476 &read_history, NULL, NULL);
478 len = sizeof(ministate.prompt);
479 strlcpy(ministate.prompt, prompt, len);
480 strlcat(ministate.prompt, ": ", len);
484 handle_clear_echoarea(int fd, short ev, void *d)
486 free(ministate.curmesg);
487 ministate.curmesg = NULL;
489 ui_after_message_hook();
493 vmessage(const char *fmt, va_list ap)
495 if (evtimer_pending(&clechoev, NULL))
496 evtimer_del(&clechoev);
498 free(ministate.curmesg);
499 ministate.curmesg = NULL;
502 evtimer_set(&clechoev, handle_clear_echoarea, NULL);
503 evtimer_add(&clechoev, &clechoev_timer);
505 /* TODO: what to do if the allocation fails here? */
506 if (vasprintf(&ministate.curmesg, fmt, ap) == -1)
507 ministate.curmesg = NULL;
510 ui_after_message_hook();
514 message(const char *fmt, ...)
524 minibuffer_init(void)
526 TAILQ_INIT(&eecmd_history.head);
527 TAILQ_INIT(&ir_history.head);
528 TAILQ_INIT(&lu_history.head);
529 TAILQ_INIT(&read_history.head);
531 TAILQ_INIT(&ministate.compl.buffer.head);
532 TAILQ_INIT(&ministate.compl.buffer.page.head);
534 ministate.line.type = LINE_TEXT;
535 ministate.vline.parent = &ministate.line;
536 ministate.buffer.page.name = "*minibuffer*";
537 ministate.buffer.current_line = &ministate.vline;
539 evtimer_set(&clechoev, handle_clear_echoarea, NULL);