1 84b88039 2021-07-12 op /*
  2 84b88039 2021-07-12 op  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
  3 84b88039 2021-07-12 op  *
  4 84b88039 2021-07-12 op  * Permission to use, copy, modify, and distribute this software for any
  5 84b88039 2021-07-12 op  * purpose with or without fee is hereby granted, provided that the above
  6 84b88039 2021-07-12 op  * copyright notice and this permission notice appear in all copies.
  7 84b88039 2021-07-12 op  *
  8 84b88039 2021-07-12 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 84b88039 2021-07-12 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 84b88039 2021-07-12 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 84b88039 2021-07-12 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 84b88039 2021-07-12 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 84b88039 2021-07-12 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 84b88039 2021-07-12 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 84b88039 2021-07-12 op  */
 16 84b88039 2021-07-12 op 
 17 84b88039 2021-07-12 op #include <stdlib.h>
 18 84b88039 2021-07-12 op #include <string.h>
 19 84b88039 2021-07-12 op 
 20 450a89f7 2021-07-12 op #include "minibuffer.h"
 21 84b88039 2021-07-12 op 
 22 84b88039 2021-07-12 op static void		 minibuffer_hist_save_entry(void);
 23 84b88039 2021-07-12 op static void		 minibuffer_self_insert(void);
 24 84b88039 2021-07-12 op static void		 yornp_self_insert(void);
 25 84b88039 2021-07-12 op static void		 yornp_abort(void);
 26 84b88039 2021-07-12 op static void		 read_self_insert(void);
 27 84b88039 2021-07-12 op static void		 read_abort(void);
 28 84b88039 2021-07-12 op static void		 read_select(void);
 29 84b88039 2021-07-12 op 
 30 84b88039 2021-07-12 op static void (*yornp_cb)(int, struct tab *);
 31 84b88039 2021-07-12 op static struct tab *yornp_data;
 32 84b88039 2021-07-12 op 
 33 84b88039 2021-07-12 op static void (*read_cb)(const char*, unsigned int);
 34 84b88039 2021-07-12 op static unsigned int read_data;
 35 84b88039 2021-07-12 op 
 36 84b88039 2021-07-12 op struct histhead eecmd_history,
 37 84b88039 2021-07-12 op 	ir_history,
 38 84b88039 2021-07-12 op 	lu_history,
 39 84b88039 2021-07-12 op 	read_history;
 40 84b88039 2021-07-12 op 
 41 84b88039 2021-07-12 op struct ministate ministate;
 42 84b88039 2021-07-12 op 
 43 84b88039 2021-07-12 op static void
 44 84b88039 2021-07-12 op minibuffer_hist_save_entry(void)
 45 84b88039 2021-07-12 op {
 46 84b88039 2021-07-12 op 	struct hist	*hist;
 47 84b88039 2021-07-12 op 
 48 84b88039 2021-07-12 op 	if (ministate.history == NULL)
 49 84b88039 2021-07-12 op 		return;
 50 84b88039 2021-07-12 op 
 51 84b88039 2021-07-12 op 	if ((hist = calloc(1, sizeof(*hist))) == NULL)
 52 84b88039 2021-07-12 op 		abort();
 53 84b88039 2021-07-12 op 
 54 84b88039 2021-07-12 op 	strlcpy(hist->h, ministate.buf, sizeof(hist->h));
 55 84b88039 2021-07-12 op 
 56 84b88039 2021-07-12 op 	if (TAILQ_EMPTY(&ministate.history->head))
 57 84b88039 2021-07-12 op 		TAILQ_INSERT_HEAD(&ministate.history->head, hist, entries);
 58 84b88039 2021-07-12 op 	else
 59 84b88039 2021-07-12 op 		TAILQ_INSERT_TAIL(&ministate.history->head, hist, entries);
 60 84b88039 2021-07-12 op 	ministate.history->len++;
 61 84b88039 2021-07-12 op }
 62 84b88039 2021-07-12 op 
 63 84b88039 2021-07-12 op /*
 64 84b88039 2021-07-12 op  * taint the minibuffer cache: if we're currently showing a history
 65 84b88039 2021-07-12 op  * element, copy that to the current buf and reset the "history
 66 84b88039 2021-07-12 op  * navigation" thing.
 67 84b88039 2021-07-12 op  */
 68 84b88039 2021-07-12 op void
 69 84b88039 2021-07-12 op minibuffer_taint_hist(void)
 70 84b88039 2021-07-12 op {
 71 84b88039 2021-07-12 op 	if (ministate.hist_cur == NULL)
 72 84b88039 2021-07-12 op 		return;
 73 84b88039 2021-07-12 op 
 74 84b88039 2021-07-12 op 	strlcpy(ministate.buf, ministate.hist_cur->h, sizeof(ministate.buf));
 75 84b88039 2021-07-12 op 	ministate.hist_cur = NULL;
 76 19f7f20c 2021-07-12 op 	ministate.buffer.current_line->line = ministate.buf;
 77 84b88039 2021-07-12 op }
 78 84b88039 2021-07-12 op 
 79 84b88039 2021-07-12 op static void
 80 84b88039 2021-07-12 op minibuffer_self_insert(void)
 81 84b88039 2021-07-12 op {
 82 84b88039 2021-07-12 op 	char	*c, tmp[5] = {0};
 83 84b88039 2021-07-12 op 	size_t	len;
 84 84b88039 2021-07-12 op 
 85 84b88039 2021-07-12 op 	minibuffer_taint_hist();
 86 84b88039 2021-07-12 op 
 87 84b88039 2021-07-12 op 	if (thiskey.cp == 0)
 88 84b88039 2021-07-12 op 		return;
 89 84b88039 2021-07-12 op 
 90 84b88039 2021-07-12 op 	len = utf8_encode(thiskey.cp, tmp);
 91 84b88039 2021-07-12 op 	c = utf8_nth(ministate.buffer.current_line->line, ministate.buffer.cpoff);
 92 84b88039 2021-07-12 op 	if (c + len > ministate.buf + sizeof(ministate.buf) - 1)
 93 84b88039 2021-07-12 op 		return;
 94 84b88039 2021-07-12 op 
 95 84b88039 2021-07-12 op 	memmove(c + len, c, strlen(c)+1);
 96 84b88039 2021-07-12 op 	memcpy(c, tmp, len);
 97 84b88039 2021-07-12 op 	ministate.buffer.cpoff++;
 98 84b88039 2021-07-12 op }
 99 84b88039 2021-07-12 op 
100 84b88039 2021-07-12 op void
101 84b88039 2021-07-12 op eecmd_self_insert(void)
102 84b88039 2021-07-12 op {
103 84b88039 2021-07-12 op 	if (thiskey.meta || unicode_isspace(thiskey.cp) ||
104 84b88039 2021-07-12 op 	    !unicode_isgraph(thiskey.cp)) {
105 84b88039 2021-07-12 op 		global_key_unbound();
106 84b88039 2021-07-12 op 		return;
107 84b88039 2021-07-12 op 	}
108 84b88039 2021-07-12 op 
109 84b88039 2021-07-12 op 	minibuffer_self_insert();
110 84b88039 2021-07-12 op }
111 84b88039 2021-07-12 op 
112 84b88039 2021-07-12 op void
113 84b88039 2021-07-12 op eecmd_select(void)
114 84b88039 2021-07-12 op {
115 84b88039 2021-07-12 op 	struct cmd *cmd;
116 84b88039 2021-07-12 op 
117 84b88039 2021-07-12 op 	for (cmd = cmds; cmd->cmd != NULL; ++cmd) {
118 84b88039 2021-07-12 op 		if (!strcmp(cmd->cmd, ministate.buf)) {
119 84b88039 2021-07-12 op 			exit_minibuffer();
120 84b88039 2021-07-12 op 			minibuffer_hist_save_entry();
121 84b88039 2021-07-12 op 			cmd->fn(current_buffer());
122 84b88039 2021-07-12 op 			return;
123 84b88039 2021-07-12 op 		}
124 84b88039 2021-07-12 op 	}
125 84b88039 2021-07-12 op 
126 84b88039 2021-07-12 op 	message("No match");
127 84b88039 2021-07-12 op }
128 84b88039 2021-07-12 op 
129 84b88039 2021-07-12 op void
130 84b88039 2021-07-12 op ir_self_insert(void)
131 84b88039 2021-07-12 op {
132 84b88039 2021-07-12 op 	minibuffer_self_insert();
133 84b88039 2021-07-12 op }
134 84b88039 2021-07-12 op 
135 84b88039 2021-07-12 op void
136 84b88039 2021-07-12 op ir_select(void)
137 84b88039 2021-07-12 op {
138 84b88039 2021-07-12 op 	char		 buf[1025] = {0};
139 84b88039 2021-07-12 op 	struct phos_uri	 uri;
140 84b88039 2021-07-12 op 	struct tab	*tab;
141 84b88039 2021-07-12 op 
142 84b88039 2021-07-12 op 	tab = current_tab();
143 84b88039 2021-07-12 op 
144 84b88039 2021-07-12 op 	exit_minibuffer();
145 84b88039 2021-07-12 op 	minibuffer_hist_save_entry();
146 84b88039 2021-07-12 op 
147 84b88039 2021-07-12 op 	/* a bit ugly but... */
148 84b88039 2021-07-12 op 	memcpy(&uri, &tab->uri, sizeof(tab->uri));
149 84b88039 2021-07-12 op 	phos_uri_set_query(&uri, ministate.buf);
150 84b88039 2021-07-12 op 	phos_serialize_uri(&uri, buf, sizeof(buf));
151 84b88039 2021-07-12 op 	load_url_in_tab(tab, buf);
152 84b88039 2021-07-12 op }
153 84b88039 2021-07-12 op 
154 84b88039 2021-07-12 op void
155 84b88039 2021-07-12 op lu_self_insert(void)
156 84b88039 2021-07-12 op {
157 84b88039 2021-07-12 op 	if (thiskey.meta || unicode_isspace(thiskey.key) ||
158 84b88039 2021-07-12 op 	    !unicode_isgraph(thiskey.key)) {
159 84b88039 2021-07-12 op 		global_key_unbound();
160 84b88039 2021-07-12 op 		return;
161 84b88039 2021-07-12 op 	}
162 84b88039 2021-07-12 op 
163 84b88039 2021-07-12 op 	minibuffer_self_insert();
164 84b88039 2021-07-12 op }
165 84b88039 2021-07-12 op 
166 84b88039 2021-07-12 op void
167 84b88039 2021-07-12 op lu_select(void)
168 84b88039 2021-07-12 op {
169 84b88039 2021-07-12 op 	exit_minibuffer();
170 84b88039 2021-07-12 op 	minibuffer_hist_save_entry();
171 84b88039 2021-07-12 op 	load_url_in_tab(current_tab(), ministate.buf);
172 84b88039 2021-07-12 op }
173 84b88039 2021-07-12 op 
174 84b88039 2021-07-12 op void
175 84b88039 2021-07-12 op bp_select(void)
176 84b88039 2021-07-12 op {
177 84b88039 2021-07-12 op 	exit_minibuffer();
178 84b88039 2021-07-12 op 	if (*ministate.buf != '\0')
179 84b88039 2021-07-12 op 		add_to_bookmarks(ministate.buf);
180 84b88039 2021-07-12 op 	else
181 84b88039 2021-07-12 op 		message("Abort.");
182 84b88039 2021-07-12 op }
183 84b88039 2021-07-12 op 
184 84b88039 2021-07-12 op static void
185 84b88039 2021-07-12 op yornp_self_insert(void)
186 84b88039 2021-07-12 op {
187 84b88039 2021-07-12 op 	if (thiskey.key != 'y' && thiskey.key != 'n') {
188 84b88039 2021-07-12 op 		message("Please answer y or n");
189 84b88039 2021-07-12 op 		return;
190 84b88039 2021-07-12 op 	}
191 84b88039 2021-07-12 op 
192 84b88039 2021-07-12 op 	exit_minibuffer();
193 84b88039 2021-07-12 op 	yornp_cb(thiskey.key == 'y', yornp_data);
194 84b88039 2021-07-12 op }
195 84b88039 2021-07-12 op 
196 84b88039 2021-07-12 op static void
197 84b88039 2021-07-12 op yornp_abort(void)
198 84b88039 2021-07-12 op {
199 84b88039 2021-07-12 op 	exit_minibuffer();
200 84b88039 2021-07-12 op 	yornp_cb(0, yornp_data);
201 84b88039 2021-07-12 op }
202 84b88039 2021-07-12 op 
203 84b88039 2021-07-12 op static void
204 84b88039 2021-07-12 op read_self_insert(void)
205 84b88039 2021-07-12 op {
206 84b88039 2021-07-12 op 	if (thiskey.meta || !unicode_isgraph(thiskey.cp)) {
207 84b88039 2021-07-12 op 		global_key_unbound();
208 84b88039 2021-07-12 op 		return;
209 84b88039 2021-07-12 op 	}
210 84b88039 2021-07-12 op 
211 84b88039 2021-07-12 op 	minibuffer_self_insert();
212 84b88039 2021-07-12 op }
213 84b88039 2021-07-12 op 
214 84b88039 2021-07-12 op static void
215 84b88039 2021-07-12 op read_abort(void)
216 84b88039 2021-07-12 op {
217 84b88039 2021-07-12 op 	exit_minibuffer();
218 84b88039 2021-07-12 op 	read_cb(NULL, read_data);
219 84b88039 2021-07-12 op }
220 84b88039 2021-07-12 op 
221 84b88039 2021-07-12 op static void
222 84b88039 2021-07-12 op read_select(void)
223 84b88039 2021-07-12 op {
224 84b88039 2021-07-12 op         exit_minibuffer();
225 84b88039 2021-07-12 op 	minibuffer_hist_save_entry();
226 84b88039 2021-07-12 op 	read_cb(ministate.buf, read_data);
227 84b88039 2021-07-12 op }
228 84b88039 2021-07-12 op 
229 84b88039 2021-07-12 op void
230 84b88039 2021-07-12 op enter_minibuffer(void (*self_insert_fn)(void), void (*donefn)(void),
231 84b88039 2021-07-12 op     void (*abortfn)(void), struct histhead *hist)
232 84b88039 2021-07-12 op {
233 84b88039 2021-07-12 op 	in_minibuffer = 1;
234 84b88039 2021-07-12 op 	base_map = &minibuffer_map;
235 84b88039 2021-07-12 op 	current_map = &minibuffer_map;
236 84b88039 2021-07-12 op 
237 84b88039 2021-07-12 op 	base_map->unhandled_input = self_insert_fn;
238 84b88039 2021-07-12 op 
239 84b88039 2021-07-12 op 	ministate.donefn = donefn;
240 84b88039 2021-07-12 op 	ministate.abortfn = abortfn;
241 84b88039 2021-07-12 op 	memset(ministate.buf, 0, sizeof(ministate.buf));
242 84b88039 2021-07-12 op 	ministate.buffer.current_line = &ministate.vline;
243 84b88039 2021-07-12 op 	ministate.buffer.current_line->line = ministate.buf;
244 84b88039 2021-07-12 op 	ministate.buffer.cpoff = 0;
245 84b88039 2021-07-12 op 	strlcpy(ministate.buf, "", sizeof(ministate.prompt));
246 84b88039 2021-07-12 op 
247 84b88039 2021-07-12 op 	ministate.history = hist;
248 84b88039 2021-07-12 op 	ministate.hist_cur = NULL;
249 84b88039 2021-07-12 op 	ministate.hist_off = 0;
250 84b88039 2021-07-12 op }
251 84b88039 2021-07-12 op 
252 84b88039 2021-07-12 op void
253 84b88039 2021-07-12 op exit_minibuffer(void)
254 84b88039 2021-07-12 op {
255 84b88039 2021-07-12 op 	in_minibuffer = 0;
256 84b88039 2021-07-12 op 	base_map = &global_map;
257 84b88039 2021-07-12 op 	current_map = &global_map;
258 84b88039 2021-07-12 op }
259 84b88039 2021-07-12 op 
260 84b88039 2021-07-12 op void
261 84b88039 2021-07-12 op yornp(const char *prompt, void (*fn)(int, struct tab*),
262 84b88039 2021-07-12 op     struct tab *data)
263 84b88039 2021-07-12 op {
264 84b88039 2021-07-12 op 	size_t len;
265 84b88039 2021-07-12 op 
266 84b88039 2021-07-12 op 	if (in_minibuffer) {
267 84b88039 2021-07-12 op 		fn(0, data);
268 84b88039 2021-07-12 op 		return;
269 84b88039 2021-07-12 op 	}
270 84b88039 2021-07-12 op 
271 84b88039 2021-07-12 op 	yornp_cb = fn;
272 84b88039 2021-07-12 op 	yornp_data = data;
273 84b88039 2021-07-12 op 	enter_minibuffer(yornp_self_insert, yornp_self_insert,
274 84b88039 2021-07-12 op 	    yornp_abort, NULL);
275 84b88039 2021-07-12 op 
276 84b88039 2021-07-12 op 	len = sizeof(ministate.prompt);
277 84b88039 2021-07-12 op 	strlcpy(ministate.prompt, prompt, len);
278 84b88039 2021-07-12 op 	strlcat(ministate.prompt, " (y or n) ", len);
279 84b88039 2021-07-12 op }
280 84b88039 2021-07-12 op 
281 84b88039 2021-07-12 op /*
282 84b88039 2021-07-12 op  * Not yet "completing", but soon maybe...
283 84b88039 2021-07-12 op  */
284 84b88039 2021-07-12 op void
285 84b88039 2021-07-12 op completing_read(const char *prompt, void (*fn)(const char *, unsigned int),
286 84b88039 2021-07-12 op     unsigned int data)
287 84b88039 2021-07-12 op {
288 84b88039 2021-07-12 op 	size_t len;
289 84b88039 2021-07-12 op 
290 84b88039 2021-07-12 op 	if (in_minibuffer)
291 84b88039 2021-07-12 op 		return;
292 84b88039 2021-07-12 op 
293 84b88039 2021-07-12 op 	read_cb = fn;
294 84b88039 2021-07-12 op 	read_data = data;
295 84b88039 2021-07-12 op 	enter_minibuffer(read_self_insert, read_select, read_abort,
296 84b88039 2021-07-12 op 	    &read_history);
297 84b88039 2021-07-12 op 
298 84b88039 2021-07-12 op 	len = sizeof(ministate.prompt);
299 84b88039 2021-07-12 op 	strlcpy(ministate.prompt, prompt, len);
300 84b88039 2021-07-12 op 	strlcat(ministate.prompt, ": ", len);
301 84b88039 2021-07-12 op }