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* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#include "compat.h"
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "fs.h"
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#include "minibuffer.h"
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#include "session.h"
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#include "ui.h"
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#include "utf8.h"
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#include "utils.h"
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#define nitems(x) (sizeof(x)/sizeof(x[0]))
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static void *minibuffer_metadata(void);
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static const char *minibuffer_compl_text(void);
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static void minibuffer_hist_save_entry(void);
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static void yornp_self_insert(void);
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static void yornp_abort(void);
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static void read_self_insert(void);
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static void read_abort(void);
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static void read_select(void);
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static void handle_clear_echoarea(int, short, void *);
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static struct event clechoev;
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static struct timeval clechoev_timer = { 5, 0 };
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static void (*yornp_cb)(int, struct tab *);
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static struct tab *yornp_data;
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static void (*read_cb)(const char*, struct tab *);
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static struct tab *read_data;
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/* XXX: don't forget to init these in minibuffer_init */
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struct histhead eecmd_history,
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ir_history,
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lu_history,
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read_history;
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struct ministate ministate;
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struct buffer minibufferwin;
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int in_minibuffer;
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static inline int
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matches(char **words, size_t len, struct line *l)
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size_t i;
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int lm, am;
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for (i = 0; i < len; ++i) {
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lm = am = 0;
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if (strcasestr(l->line, words[i]) != NULL)
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if (l->alt != NULL &&
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strcasestr(l->alt, words[i]) != NULL)
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if (!lm && !am)
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return 0;
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return 1;
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* Recompute the visible completions. If add is 1, don't consider the
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* ones already hidden.
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recompute_completions(int add)
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static char buf[GEMINI_URL_LEN];
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const char *text;
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char *input, **ap, *words[10];
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size_t len = 0;
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struct line *l;
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struct vline *vl;
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struct buffer *b;
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if (in_minibuffer != MB_COMPREAD)
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if (ministate.hist_cur != NULL)
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text = ministate.hist_cur->h;
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text = ministate.buf;
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strlcpy(buf, text, sizeof(buf));
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input = buf;
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/* tokenize the input */
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for (ap = words; ap < words + nitems(words) &&
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(*ap = strsep(&input, " ")) != NULL;) {
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if (**ap != '\0')
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ap++, len++;
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b = &ministate.compl.buffer;
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TAILQ_FOREACH(l, &b->page.head, lines) {
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l->type = LINE_COMPL;
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if (add && l->flags & L_HIDDEN)
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continue;
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if (matches(words, len, l)) {
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if (l->flags & L_HIDDEN)
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b->line_max++;
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l->flags &= ~L_HIDDEN;
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if (!(l->flags & L_HIDDEN))
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b->line_max--;
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l->flags |= L_HIDDEN;
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if (b->current_line == NULL)
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b->current_line = TAILQ_FIRST(&b->head);
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b->current_line = adjust_line(b->current_line, b);
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vl = b->current_line;
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if (ministate.compl.must_select && vl != NULL)
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vl->parent->type = LINE_COMPL_CURRENT;
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minibuffer_insert_current_candidate(void)
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struct vline *vl;
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vl = ministate.compl.buffer.current_line;
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if (vl == NULL || vl->parent->flags & L_HIDDEN)
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return -1;
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minibuffer_taint_hist();
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strlcpy(ministate.buf, vl->parent->line, sizeof(ministate.buf));
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ministate.buffer.cpoff = utf8_cplen(ministate.buf);
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return 0;
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static void *
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minibuffer_metadata(void)
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struct vline *vl;
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vl = ministate.compl.buffer.current_line;
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if (vl == NULL || vl->parent->flags & L_HIDDEN)
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return NULL;
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return vl->parent->data;
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static const char *
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minibuffer_compl_text(void)
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struct vline *vl;
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if (ministate.hist_cur != NULL)
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return ministate.hist_cur->h;
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vl = ministate.compl.buffer.current_line;
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if (vl == NULL || vl->parent->flags & L_HIDDEN ||
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vl->parent->type == LINE_COMPL || vl->parent->line == NULL)
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return ministate.buf;
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return vl->parent->line;
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static void
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minibuffer_hist_save_entry(void)
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struct hist *hist;
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const char *t;
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if (ministate.history == NULL)
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if ((hist = calloc(1, sizeof(*hist))) == NULL)
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t = minibuffer_compl_text();
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strlcpy(hist->h, t, sizeof(hist->h));
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TAILQ_INSERT_TAIL(&ministate.history->head, hist, entries);
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ministate.history->len++;
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* taint the minibuffer cache: if we're currently showing a history
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* element, copy that to the current buf and reset the "history
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* navigation" thing.
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minibuffer_taint_hist(void)
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if (ministate.hist_cur == NULL)
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strlcpy(ministate.buf, ministate.hist_cur->h, sizeof(ministate.buf));
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ministate.hist_cur = NULL;
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ministate.buffer.current_line->line = ministate.buf;
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minibuffer_self_insert(void)
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char *c, tmp[5] = {0};
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size_t len;
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minibuffer_taint_hist();
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if (thiskey.cp == 0)
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len = utf8_encode(thiskey.cp, tmp);
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c = utf8_nth(ministate.buffer.current_line->line, ministate.buffer.cpoff);
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if (c + len > ministate.buf + sizeof(ministate.buf) - 1)
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memmove(c + len, c, strlen(c)+1);
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memcpy(c, tmp, len);
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ministate.buffer.cpoff++;
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recompute_completions(1);
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sensible_self_insert(void)
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if (thiskey.meta ||
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(!unicode_isgraph(thiskey.key) && thiskey.key != ' ')) {
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global_key_unbound();
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minibuffer_self_insert();
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eecmd_select(void)
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struct cmd *cmd;
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const char *t;
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t = minibuffer_compl_text();
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for (cmd = cmds; cmd->cmd != NULL; ++cmd) {
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if (!strcmp(cmd->cmd, t)) {
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minibuffer_hist_save_entry();
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exit_minibuffer();
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cmd->fn(current_buffer());
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message("No match");
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ir_select_gemini(void)
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char buf[1025] = {0};
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struct phos_uri uri;
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struct tab *tab = current_tab;
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minibuffer_hist_save_entry();
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/* a bit ugly but... */
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memcpy(&uri, &tab->uri, sizeof(tab->uri));
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phos_uri_set_query(&uri, minibuffer_compl_text());
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phos_serialize_uri(&uri, buf, sizeof(buf));
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exit_minibuffer();
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load_url_in_tab(tab, buf, NULL, LU_MODE_NOCACHE);
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ir_select_reply(void)
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char buf[1025] = {0};
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struct phos_uri uri;
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struct tab *tab = current_tab;
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minibuffer_hist_save_entry();
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/* a bit ugly but... */
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strlcpy(buf, tab->last_input_url, sizeof(buf));
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phos_parse_absolute_uri(buf, &uri);
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phos_uri_set_query(&uri, minibuffer_compl_text());
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phos_serialize_uri(&uri, buf, sizeof(buf));
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exit_minibuffer();
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load_url_in_tab(tab, buf, NULL, LU_MODE_NOCACHE);
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ir_select_gopher(void)
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minibuffer_hist_save_entry();
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gopher_send_search_req(current_tab, minibuffer_compl_text());
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exit_minibuffer();
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lu_select(void)
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char url[GEMINI_URL_LEN+1];
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minibuffer_hist_save_entry();
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humanify_url(minibuffer_compl_text(), url, sizeof(url));
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exit_minibuffer();
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load_url_in_tab(current_tab, url, NULL, LU_MODE_NOCACHE);
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bp_select(void)
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exit_minibuffer();
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if (*ministate.buf != '\0') {
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if (!bookmark_page(ministate.buf))
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message("failed to bookmark page: %s",
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strerror(errno));
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message("Abort.");
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ts_select(void)
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struct tab *tab;
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if ((tab = minibuffer_metadata()) == NULL) {
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message("No tab selected");
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exit_minibuffer();
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switch_to_tab(tab);
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ls_select(void)
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struct line *l;
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if ((l = minibuffer_metadata()) == NULL) {
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message("No link selected");
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exit_minibuffer();
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load_url_in_tab(current_tab, l->alt, NULL, LU_MODE_NOCACHE);
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static inline void
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jump_to_line(struct line *l)
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struct vline *vl;
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struct buffer *buffer;
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buffer = current_buffer();
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TAILQ_FOREACH(vl, &buffer->head, vlines) {
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if (vl->parent == l)
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if (vl == NULL)
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message("Ops, %s error! Please report to %s",
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__func__, PACKAGE_BUGREPORT);
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buffer->top_line = vl;
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buffer->current_line = vl;
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swiper_select(void)
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struct line *l;
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if ((l = minibuffer_metadata()) == NULL) {
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message("No line selected");
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exit_minibuffer();
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jump_to_line(l);
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toc_select(void)
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struct line *l;
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if ((l = minibuffer_metadata()) == NULL) {
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message("No line selected");
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exit_minibuffer();
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jump_to_line(l);
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static void
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yornp_self_insert(void)
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if (thiskey.key != 'y' && thiskey.key != 'n') {
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message("Please answer y or n");
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exit_minibuffer();
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yornp_cb(thiskey.key == 'y', yornp_data);
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static void
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yornp_abort(void)
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exit_minibuffer();
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yornp_cb(0, yornp_data);
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static void
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read_self_insert(void)
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2021-07-12
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if (thiskey.meta || !unicode_isgraph(thiskey.cp)) {
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global_key_unbound();
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2021-07-12
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minibuffer_self_insert();
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2021-07-12
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static void
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read_abort(void)
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exit_minibuffer();
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read_cb(NULL, read_data);
460
2021-07-12
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static void
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2021-07-12
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read_select(void)
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exit_minibuffer();
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minibuffer_hist_save_entry();
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2021-07-12
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read_cb(ministate.buf, read_data);
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2021-07-14
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* TODO: we should collect this asynchronously...
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2021-07-14
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static inline void
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populate_compl_buffer(complfn *fn, void *data)
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const char *s, *descr;
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struct line *l;
476
2021-07-14
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struct buffer *b;
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2021-07-14
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struct parser *p;
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void *linedata;
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b = &ministate.compl.buffer;
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p = &b->page;
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linedata = NULL;
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descr = NULL;
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while ((s = fn(&data, &linedata, &descr)) != NULL) {
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if ((l = calloc(1, sizeof(*l))) == NULL)
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l->type = LINE_COMPL;
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l->data = linedata;
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l->alt = (char*)descr;
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if ((l->line = strdup(s)) == NULL)
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TAILQ_INSERT_TAIL(&p->head, l, lines);
497
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linedata = NULL;
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descr = NULL;
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if ((l = TAILQ_FIRST(&p->head)) != NULL &&
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2022-04-13
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ministate.compl.must_select)
503
2022-04-13
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l->type = LINE_COMPL_CURRENT;
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2021-07-12
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enter_minibuffer(void (*self_insert_fn)(void), void (*donefn)(void),
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2021-07-13
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void (*abortfn)(void), struct histhead *hist,
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2022-04-13
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complfn *complfn, void *compldata, int must_select)
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2022-05-05
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ministate.compl.must_select = must_select;
512
2022-05-05
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ministate.compl.fn = complfn;
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2022-05-05
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ministate.compl.data = compldata;
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2021-07-14
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in_minibuffer = complfn == NULL ? MB_READ : MB_COMPREAD;
516
2021-07-14
op
if (in_minibuffer == MB_COMPREAD) {
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2022-05-05
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populate_compl_buffer(complfn, compldata);
518
2021-07-14
op
ui_schedule_redraw();
521
2021-07-12
op
base_map = &minibuffer_map;
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2021-07-12
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current_map = &minibuffer_map;
524
2021-07-12
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base_map->unhandled_input = self_insert_fn;
526
2021-07-12
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ministate.donefn = donefn;
527
2021-07-12
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ministate.abortfn = abortfn;
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2021-07-12
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memset(ministate.buf, 0, sizeof(ministate.buf));
529
2021-07-12
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ministate.buffer.current_line = &ministate.vline;
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2021-07-12
op
ministate.buffer.current_line->line = ministate.buf;
531
2021-07-12
op
ministate.buffer.cpoff = 0;
532
2021-07-12
op
strlcpy(ministate.buf, "", sizeof(ministate.prompt));
534
2021-07-12
op
ministate.history = hist;
535
2021-07-12
op
ministate.hist_cur = NULL;
536
2021-07-12
op
ministate.hist_off = 0;
540
2021-07-12
op
exit_minibuffer(void)
542
2021-07-14
op
if (in_minibuffer == MB_COMPREAD) {
543
2021-07-14
op
erase_buffer(&ministate.compl.buffer);
544
2021-07-14
op
ui_schedule_redraw();
547
2021-07-12
op
in_minibuffer = 0;
548
2021-07-12
op
base_map = &global_map;
549
2021-07-12
op
current_map = &global_map;
553
2021-07-12
op
yornp(const char *prompt, void (*fn)(int, struct tab*),
554
2021-07-12
op
struct tab *data)
556
2021-07-12
op
size_t len;
558
2021-07-12
op
if (in_minibuffer) {
559
2021-07-12
op
fn(0, data);
563
2021-07-12
op
yornp_cb = fn;
564
2021-07-12
op
yornp_data = data;
565
2021-07-12
op
enter_minibuffer(yornp_self_insert, yornp_self_insert,
566
2022-04-13
op
yornp_abort, NULL, NULL, NULL, 0);
568
2021-07-12
op
len = sizeof(ministate.prompt);
569
2021-07-12
op
strlcpy(ministate.prompt, prompt, len);
570
2021-07-12
op
strlcat(ministate.prompt, " (y or n) ", len);
574
2021-07-21
op
minibuffer_read(const char *prompt, void (*fn)(const char *, struct tab *),
575
2021-07-14
op
struct tab *data)
577
2021-07-12
op
size_t len;
579
2021-07-12
op
if (in_minibuffer)
582
2021-07-12
op
read_cb = fn;
583
2021-07-12
op
read_data = data;
584
2021-07-12
op
enter_minibuffer(read_self_insert, read_select, read_abort,
585
2022-04-13
op
&read_history, NULL, NULL, 0);
587
2021-07-12
op
len = sizeof(ministate.prompt);
588
2021-07-12
op
strlcpy(ministate.prompt, prompt, len);
589
2021-07-12
op
strlcat(ministate.prompt, ": ", len);
592
2021-07-21
op
static void
593
2021-07-21
op
handle_clear_echoarea(int fd, short ev, void *d)
595
2021-07-21
op
free(ministate.curmesg);
596
2021-07-21
op
ministate.curmesg = NULL;
598
2021-07-21
op
ui_after_message_hook();
602
2021-07-21
op
vmessage(const char *fmt, va_list ap)
604
2021-07-21
op
if (evtimer_pending(&clechoev, NULL))
605
2021-07-21
op
evtimer_del(&clechoev);
607
2021-07-21
op
free(ministate.curmesg);
608
2021-07-21
op
ministate.curmesg = NULL;
610
2021-07-21
op
if (fmt != NULL) {
611
2021-07-21
op
evtimer_set(&clechoev, handle_clear_echoarea, NULL);
612
2021-07-21
op
evtimer_add(&clechoev, &clechoev_timer);
614
2021-07-21
op
/* TODO: what to do if the allocation fails here? */
615
2021-07-21
op
if (vasprintf(&ministate.curmesg, fmt, ap) == -1)
616
2021-07-21
op
ministate.curmesg = NULL;
619
2021-07-21
op
ui_after_message_hook();
623
2021-07-21
op
message(const char *fmt, ...)
625
2021-07-21
op
va_list ap;
627
2021-07-21
op
va_start(ap, fmt);
628
2021-07-21
op
vmessage(fmt, ap);
629
2021-07-21
op
va_end(ap);
633
2021-07-21
op
minibuffer_init(void)
635
2021-07-21
op
TAILQ_INIT(&eecmd_history.head);
636
2021-07-21
op
TAILQ_INIT(&ir_history.head);
637
2021-07-21
op
TAILQ_INIT(&lu_history.head);
638
2021-08-12
op
TAILQ_INIT(&read_history.head);
640
2021-08-12
op
TAILQ_INIT(&ministate.compl.buffer.head);
641
2021-08-12
op
TAILQ_INIT(&ministate.compl.buffer.page.head);
643
2021-07-21
op
ministate.line.type = LINE_TEXT;
644
2021-07-21
op
ministate.vline.parent = &ministate.line;
645
2021-07-25
op
ministate.buffer.page.name = "*minibuffer*";
646
2021-07-21
op
ministate.buffer.current_line = &ministate.vline;
648
2021-07-21
op
evtimer_set(&clechoev, handle_clear_echoarea, NULL);
