1 2b2d2872 2021-06-20 op /*
  2 2b2d2872 2021-06-20 op  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
  3 2b2d2872 2021-06-20 op  *
  4 2b2d2872 2021-06-20 op  * Permission to use, copy, modify, and distribute this software for any
  5 2b2d2872 2021-06-20 op  * purpose with or without fee is hereby granted, provided that the above
  6 2b2d2872 2021-06-20 op  * copyright notice and this permission notice appear in all copies.
  7 2b2d2872 2021-06-20 op  *
  8 2b2d2872 2021-06-20 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 2b2d2872 2021-06-20 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 2b2d2872 2021-06-20 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 2b2d2872 2021-06-20 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 2b2d2872 2021-06-20 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 2b2d2872 2021-06-20 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 2b2d2872 2021-06-20 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 2b2d2872 2021-06-20 op  */
 16 2b2d2872 2021-06-20 op 
 17 61251035 2021-06-26 op #include <limits.h>
 18 2b2d2872 2021-06-20 op #include <stdlib.h>
 19 61251035 2021-06-26 op #include <string.h>
 20 2b2d2872 2021-06-20 op 
 21 2b2d2872 2021-06-20 op #include "telescope.h"
 22 2b2d2872 2021-06-20 op 
 23 c4c82003 2021-07-01 op /* return 1 if moved, 0 otherwise */
 24 c4c82003 2021-07-01 op static inline int
 25 c4c82003 2021-07-01 op forward_line(struct buffer *buffer, int n)
 26 2b2d2872 2021-06-20 op {
 27 c4c82003 2021-07-01 op 	struct vline *vl;
 28 c4c82003 2021-07-01 op 	int did;
 29 2b2d2872 2021-06-20 op 
 30 c4c82003 2021-07-01 op 	if (buffer->current_line == NULL)
 31 c4c82003 2021-07-01 op 		return 0;
 32 963c680c 2021-07-05 op 	vl = buffer->current_line;
 33 2b2d2872 2021-06-20 op 
 34 c4c82003 2021-07-01 op 	did = 0;
 35 c4c82003 2021-07-01 op 	while (n != 0) {
 36 c4c82003 2021-07-01 op 		if (n > 0) {
 37 963c680c 2021-07-05 op 			vl = TAILQ_NEXT(vl, vlines);
 38 c4c82003 2021-07-01 op 			if (vl == NULL)
 39 c4c82003 2021-07-01 op 				return did;
 40 963c680c 2021-07-05 op 			if (vl->parent->flags & L_HIDDEN)
 41 963c680c 2021-07-05 op 				continue;
 42 c4c82003 2021-07-01 op 			buffer->current_line = vl;
 43 c4c82003 2021-07-01 op 			n--;
 44 c4c82003 2021-07-01 op 		} else {
 45 963c680c 2021-07-05 op 			vl = TAILQ_PREV(vl, vhead, vlines);
 46 c4c82003 2021-07-01 op 			if (vl == NULL)
 47 c4c82003 2021-07-01 op 				return did;
 48 963c680c 2021-07-05 op 			if (vl->parent->flags & L_HIDDEN)
 49 963c680c 2021-07-05 op 				continue;
 50 c4c82003 2021-07-01 op 			if (buffer->current_line == buffer->top_line)
 51 c4c82003 2021-07-01 op 				buffer->top_line = vl;
 52 c4c82003 2021-07-01 op 			buffer->current_line = vl;
 53 c4c82003 2021-07-01 op 			n++;
 54 c4c82003 2021-07-01 op 		}
 55 c4c82003 2021-07-01 op 
 56 c4c82003 2021-07-01 op 		did = 1;
 57 2b2d2872 2021-06-20 op 	}
 58 2b2d2872 2021-06-20 op 
 59 c4c82003 2021-07-01 op 	return did;
 60 2b2d2872 2021-06-20 op }
 61 2b2d2872 2021-06-20 op 
 62 2b2d2872 2021-06-20 op void
 63 c4c82003 2021-07-01 op cmd_previous_line(struct buffer *buffer)
 64 2b2d2872 2021-06-20 op {
 65 c4c82003 2021-07-01 op 	forward_line(buffer, -1);
 66 c4c82003 2021-07-01 op }
 67 2b2d2872 2021-06-20 op 
 68 c4c82003 2021-07-01 op void
 69 c4c82003 2021-07-01 op cmd_next_line(struct buffer *buffer)
 70 c4c82003 2021-07-01 op {
 71 c4c82003 2021-07-01 op 	forward_line(buffer, +1);
 72 2b2d2872 2021-06-20 op }
 73 2b2d2872 2021-06-20 op 
 74 2b2d2872 2021-06-20 op void
 75 2b2d2872 2021-06-20 op cmd_backward_char(struct buffer *buffer)
 76 2b2d2872 2021-06-20 op {
 77 2b2d2872 2021-06-20 op 	if (buffer->cpoff != 0)
 78 2b2d2872 2021-06-20 op 		buffer->cpoff--;
 79 2b2d2872 2021-06-20 op }
 80 2b2d2872 2021-06-20 op 
 81 2b2d2872 2021-06-20 op void
 82 2b2d2872 2021-06-20 op cmd_forward_char(struct buffer *buffer)
 83 2b2d2872 2021-06-20 op {
 84 2b2d2872 2021-06-20 op 	size_t len = 0;
 85 2b2d2872 2021-06-20 op 
 86 2b2d2872 2021-06-20 op 	if (buffer->current_line->line != NULL)
 87 2b2d2872 2021-06-20 op 		len = utf8_cplen(buffer->current_line->line);
 88 2b2d2872 2021-06-20 op 	if (++buffer->cpoff > len)
 89 2b2d2872 2021-06-20 op 		buffer->cpoff = len;
 90 2b2d2872 2021-06-20 op }
 91 2b2d2872 2021-06-20 op 
 92 2b2d2872 2021-06-20 op void
 93 2b2d2872 2021-06-20 op cmd_backward_paragraph(struct buffer *buffer)
 94 2b2d2872 2021-06-20 op {
 95 2b2d2872 2021-06-20 op 	do {
 96 c4c82003 2021-07-01 op 		if (!forward_line(buffer, -1)) {
 97 2b2d2872 2021-06-20 op 			message("No previous paragraph");
 98 2b2d2872 2021-06-20 op 			return;
 99 2b2d2872 2021-06-20 op 		}
100 2b2d2872 2021-06-20 op 	} while (buffer->current_line->line != NULL ||
101 2b2d2872 2021-06-20 op 	    buffer->current_line->parent->type != LINE_TEXT);
102 2b2d2872 2021-06-20 op }
103 2b2d2872 2021-06-20 op 
104 2b2d2872 2021-06-20 op void
105 2b2d2872 2021-06-20 op cmd_forward_paragraph(struct buffer *buffer)
106 2b2d2872 2021-06-20 op {
107 2b2d2872 2021-06-20 op 	do {
108 c4c82003 2021-07-01 op 		if (!forward_line(buffer, +1)) {
109 2b2d2872 2021-06-20 op 			message("No next paragraph");
110 2b2d2872 2021-06-20 op 			return;
111 2b2d2872 2021-06-20 op 		}
112 2b2d2872 2021-06-20 op 	} while (buffer->current_line->line != NULL ||
113 2b2d2872 2021-06-20 op 	    buffer->current_line->parent->type != LINE_TEXT);
114 2b2d2872 2021-06-20 op }
115 2b2d2872 2021-06-20 op 
116 2b2d2872 2021-06-20 op void
117 2b2d2872 2021-06-20 op cmd_move_beginning_of_line(struct buffer *buffer)
118 2b2d2872 2021-06-20 op {
119 2b2d2872 2021-06-20 op 	buffer->cpoff = 0;
120 2b2d2872 2021-06-20 op }
121 2b2d2872 2021-06-20 op 
122 2b2d2872 2021-06-20 op void
123 2b2d2872 2021-06-20 op cmd_move_end_of_line(struct buffer *buffer)
124 2b2d2872 2021-06-20 op {
125 2b2d2872 2021-06-20 op 	struct vline	*vl;
126 2b2d2872 2021-06-20 op 
127 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
128 2b2d2872 2021-06-20 op 	if (vl->line == NULL)
129 2b2d2872 2021-06-20 op 		return;
130 2b2d2872 2021-06-20 op 	buffer->cpoff = utf8_cplen(vl->line);
131 2b2d2872 2021-06-20 op }
132 2b2d2872 2021-06-20 op 
133 2b2d2872 2021-06-20 op void
134 2b2d2872 2021-06-20 op cmd_redraw(struct buffer *buffer)
135 2b2d2872 2021-06-20 op {
136 2b2d2872 2021-06-20 op         ui_schedule_redraw();
137 2b2d2872 2021-06-20 op }
138 2b2d2872 2021-06-20 op 
139 2b2d2872 2021-06-20 op void
140 2b2d2872 2021-06-20 op cmd_scroll_line_up(struct buffer *buffer)
141 2b2d2872 2021-06-20 op {
142 e39920a9 2021-07-07 op 	struct vline	*vl;
143 e39920a9 2021-07-07 op 
144 e39920a9 2021-07-07 op 	if ((vl = TAILQ_PREV(buffer->top_line, vhead, vlines))
145 e39920a9 2021-07-07 op 	    == NULL)
146 2b2d2872 2021-06-20 op 		return;
147 2b2d2872 2021-06-20 op 
148 e39920a9 2021-07-07 op 	forward_line(buffer, -1);
149 e39920a9 2021-07-07 op 
150 2b2d2872 2021-06-20 op 	buffer->line_off--;
151 e39920a9 2021-07-07 op 	buffer->top_line = vl;
152 2b2d2872 2021-06-20 op }
153 2b2d2872 2021-06-20 op 
154 2b2d2872 2021-06-20 op void
155 2b2d2872 2021-06-20 op cmd_scroll_line_down(struct buffer *buffer)
156 2b2d2872 2021-06-20 op {
157 c4c82003 2021-07-01 op 	if (!forward_line(buffer, +1))
158 2b2d2872 2021-06-20 op 		return;
159 2b2d2872 2021-06-20 op 
160 94ec38e8 2021-06-29 op 	buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
161 2b2d2872 2021-06-20 op 	buffer->line_off++;
162 2b2d2872 2021-06-20 op }
163 2b2d2872 2021-06-20 op 
164 2b2d2872 2021-06-20 op void
165 2b2d2872 2021-06-20 op cmd_scroll_up(struct buffer *buffer)
166 2b2d2872 2021-06-20 op {
167 d38e7214 2021-07-05 op 	forward_line(buffer, -1*body_lines);
168 2b2d2872 2021-06-20 op }
169 2b2d2872 2021-06-20 op 
170 2b2d2872 2021-06-20 op void
171 2b2d2872 2021-06-20 op cmd_scroll_down(struct buffer *buffer)
172 2b2d2872 2021-06-20 op {
173 d38e7214 2021-07-05 op 	forward_line(buffer, body_lines);
174 2b2d2872 2021-06-20 op }
175 2b2d2872 2021-06-20 op 
176 2b2d2872 2021-06-20 op void
177 2b2d2872 2021-06-20 op cmd_beginning_of_buffer(struct buffer *buffer)
178 2b2d2872 2021-06-20 op {
179 2b2d2872 2021-06-20 op 	buffer->current_line = TAILQ_FIRST(&buffer->head);
180 c4c82003 2021-07-01 op 	buffer->cpoff = 0;
181 94ec38e8 2021-06-29 op 	buffer->top_line = buffer->current_line;
182 2b2d2872 2021-06-20 op 	buffer->line_off = 0;
183 2b2d2872 2021-06-20 op }
184 2b2d2872 2021-06-20 op 
185 2b2d2872 2021-06-20 op void
186 2b2d2872 2021-06-20 op cmd_end_of_buffer(struct buffer *buffer)
187 2b2d2872 2021-06-20 op {
188 2b2d2872 2021-06-20 op 	buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
189 2b2d2872 2021-06-20 op 	buffer->cpoff = body_cols;
190 2b2d2872 2021-06-20 op }
191 2b2d2872 2021-06-20 op 
192 2b2d2872 2021-06-20 op void
193 2b2d2872 2021-06-20 op cmd_kill_telescope(struct buffer *buffer)
194 2b2d2872 2021-06-20 op {
195 2b2d2872 2021-06-20 op 	save_session();
196 2b2d2872 2021-06-20 op 	event_loopbreak();
197 2b2d2872 2021-06-20 op }
198 2b2d2872 2021-06-20 op 
199 2b2d2872 2021-06-20 op void
200 2b2d2872 2021-06-20 op cmd_push_button(struct buffer *buffer)
201 2b2d2872 2021-06-20 op {
202 2b2d2872 2021-06-20 op 	struct vline	*vl;
203 963c680c 2021-07-05 op 	struct line	*l;
204 2b2d2872 2021-06-20 op 
205 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
206 963c680c 2021-07-05 op 	switch (vl->parent->type) {
207 963c680c 2021-07-05 op 	case LINE_LINK:
208 963c680c 2021-07-05 op 		load_url_in_tab(current_tab(), vl->parent->alt);
209 963c680c 2021-07-05 op 		break;
210 963c680c 2021-07-05 op 	case LINE_PRE_START:
211 963c680c 2021-07-05 op 		l = TAILQ_NEXT(vl->parent, lines);
212 963c680c 2021-07-05 op 		for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
213 963c680c 2021-07-05 op 			if (l->type == LINE_PRE_END)
214 963c680c 2021-07-05 op 				break;
215 963c680c 2021-07-05 op 			l->flags ^= L_HIDDEN;
216 963c680c 2021-07-05 op 		}
217 963c680c 2021-07-05 op 		break;
218 963c680c 2021-07-05 op 	default:
219 963c680c 2021-07-05 op 		break;
220 963c680c 2021-07-05 op 	}
221 2b2d2872 2021-06-20 op }
222 2b2d2872 2021-06-20 op 
223 2b2d2872 2021-06-20 op void
224 2b2d2872 2021-06-20 op cmd_push_button_new_tab(struct buffer *buffer)
225 2b2d2872 2021-06-20 op {
226 2b2d2872 2021-06-20 op 	struct vline	*vl;
227 2b2d2872 2021-06-20 op 
228 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
229 2b2d2872 2021-06-20 op 	if (vl->parent->type != LINE_LINK)
230 2b2d2872 2021-06-20 op 		return;
231 2b2d2872 2021-06-20 op 
232 2b2d2872 2021-06-20 op 	new_tab(vl->parent->alt);
233 2b2d2872 2021-06-20 op }
234 2b2d2872 2021-06-20 op 
235 2b2d2872 2021-06-20 op void
236 2b2d2872 2021-06-20 op cmd_previous_button(struct buffer *buffer)
237 2b2d2872 2021-06-20 op {
238 5d0feb4b 2021-06-23 op 	struct excursion place;
239 5d0feb4b 2021-06-23 op 
240 5d0feb4b 2021-06-23 op 	save_excursion(&place, buffer);
241 5d0feb4b 2021-06-23 op 
242 2b2d2872 2021-06-20 op 	do {
243 c4c82003 2021-07-01 op 		if (!forward_line(buffer, -1)) {
244 5d0feb4b 2021-06-23 op 			restore_excursion(&place, buffer);
245 2b2d2872 2021-06-20 op 			message("No previous link");
246 2b2d2872 2021-06-20 op 			return;
247 2b2d2872 2021-06-20 op 		}
248 2b2d2872 2021-06-20 op 	} while (buffer->current_line->parent->type != LINE_LINK);
249 2b2d2872 2021-06-20 op }
250 2b2d2872 2021-06-20 op 
251 2b2d2872 2021-06-20 op void
252 2b2d2872 2021-06-20 op cmd_next_button(struct buffer *buffer)
253 2b2d2872 2021-06-20 op {
254 5d0feb4b 2021-06-23 op 	struct excursion place;
255 5d0feb4b 2021-06-23 op 
256 5d0feb4b 2021-06-23 op 	save_excursion(&place, buffer);
257 5d0feb4b 2021-06-23 op 
258 2b2d2872 2021-06-20 op 	do {
259 c4c82003 2021-07-01 op 		if (!forward_line(buffer, +1)){
260 5d0feb4b 2021-06-23 op 			restore_excursion(&place, buffer);
261 2b2d2872 2021-06-20 op 			message("No next link");
262 2b2d2872 2021-06-20 op 			return;
263 2b2d2872 2021-06-20 op 		}
264 2b2d2872 2021-06-20 op 	} while (buffer->current_line->parent->type != LINE_LINK);
265 1c412d48 2021-06-25 op }
266 1c412d48 2021-06-25 op 
267 1c412d48 2021-06-25 op static inline int
268 1c412d48 2021-06-25 op is_heading(const struct line *l)
269 1c412d48 2021-06-25 op {
270 1c412d48 2021-06-25 op 	return l->type == LINE_TITLE_1 ||
271 1c412d48 2021-06-25 op 		l->type == LINE_TITLE_2 ||
272 1c412d48 2021-06-25 op 		l->type == LINE_TITLE_3;
273 1c412d48 2021-06-25 op }
274 1c412d48 2021-06-25 op 
275 1c412d48 2021-06-25 op void
276 1c412d48 2021-06-25 op cmd_previous_heading(struct buffer *buffer)
277 1c412d48 2021-06-25 op {
278 1c412d48 2021-06-25 op 	struct excursion place;
279 1c412d48 2021-06-25 op 
280 1c412d48 2021-06-25 op 	save_excursion(&place, buffer);
281 1c412d48 2021-06-25 op 
282 1c412d48 2021-06-25 op 	do {
283 c4c82003 2021-07-01 op 		if (!forward_line(buffer, -1)) {
284 1c412d48 2021-06-25 op 			restore_excursion(&place, buffer);
285 1c412d48 2021-06-25 op 			message("No previous heading");
286 1c412d48 2021-06-25 op 			return;
287 1c412d48 2021-06-25 op 		}
288 1c412d48 2021-06-25 op 	} while (!is_heading(buffer->current_line->parent));
289 2b2d2872 2021-06-20 op }
290 2b2d2872 2021-06-20 op 
291 2b2d2872 2021-06-20 op void
292 1c412d48 2021-06-25 op cmd_next_heading(struct buffer *buffer)
293 1c412d48 2021-06-25 op {
294 1c412d48 2021-06-25 op 	struct excursion place;
295 1c412d48 2021-06-25 op 
296 1c412d48 2021-06-25 op 	save_excursion(&place, buffer);
297 1c412d48 2021-06-25 op 
298 1c412d48 2021-06-25 op 	do {
299 c4c82003 2021-07-01 op 		if (!forward_line(buffer, +1)) {
300 1c412d48 2021-06-25 op 			restore_excursion(&place, buffer);
301 1c412d48 2021-06-25 op 			message("No next heading");
302 1c412d48 2021-06-25 op 			return;
303 1c412d48 2021-06-25 op 		}
304 1c412d48 2021-06-25 op 	} while (!is_heading(buffer->current_line->parent));
305 1c412d48 2021-06-25 op }
306 1c412d48 2021-06-25 op 
307 1c412d48 2021-06-25 op void
308 2b2d2872 2021-06-20 op cmd_previous_page(struct buffer *buffer)
309 2b2d2872 2021-06-20 op {
310 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
311 2b2d2872 2021-06-20 op 
312 2b2d2872 2021-06-20 op 	if (!load_previous_page(tab))
313 2b2d2872 2021-06-20 op 		message("No previous page");
314 2b2d2872 2021-06-20 op 	else
315 2b2d2872 2021-06-20 op 		start_loading_anim(tab);
316 2b2d2872 2021-06-20 op }
317 2b2d2872 2021-06-20 op 
318 2b2d2872 2021-06-20 op void
319 2b2d2872 2021-06-20 op cmd_next_page(struct buffer *buffer)
320 2b2d2872 2021-06-20 op {
321 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
322 2b2d2872 2021-06-20 op 
323 2b2d2872 2021-06-20 op 	if (!load_next_page(tab))
324 2b2d2872 2021-06-20 op 		message("No next page");
325 2b2d2872 2021-06-20 op 	else
326 2b2d2872 2021-06-20 op 		start_loading_anim(tab);
327 2b2d2872 2021-06-20 op }
328 2b2d2872 2021-06-20 op 
329 2b2d2872 2021-06-20 op void
330 2b2d2872 2021-06-20 op cmd_clear_minibuf(struct buffer *buffer)
331 2b2d2872 2021-06-20 op {
332 2b2d2872 2021-06-20 op         message(NULL);
333 2b2d2872 2021-06-20 op }
334 2b2d2872 2021-06-20 op 
335 2b2d2872 2021-06-20 op void
336 2b2d2872 2021-06-20 op cmd_execute_extended_command(struct buffer *buffer)
337 2b2d2872 2021-06-20 op {
338 2b2d2872 2021-06-20 op 	size_t	 len;
339 2b2d2872 2021-06-20 op 
340 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
341 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
342 2b2d2872 2021-06-20 op 		return;
343 2b2d2872 2021-06-20 op 	}
344 2b2d2872 2021-06-20 op 
345 2b2d2872 2021-06-20 op 	enter_minibuffer(eecmd_self_insert, eecmd_select, exit_minibuffer,
346 2b2d2872 2021-06-20 op 	    &eecmd_history);
347 2b2d2872 2021-06-20 op 
348 2b2d2872 2021-06-20 op 	len = sizeof(ministate.prompt);
349 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "", len);
350 2b2d2872 2021-06-20 op 
351 2b2d2872 2021-06-20 op 	if (thiskey.meta)
352 2b2d2872 2021-06-20 op 		strlcat(ministate.prompt, "M-", len);
353 2b2d2872 2021-06-20 op 
354 2b2d2872 2021-06-20 op 	strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
355 2b2d2872 2021-06-20 op 
356 2b2d2872 2021-06-20 op 	if (thiskey.meta)
357 2b2d2872 2021-06-20 op 		strlcat(ministate.prompt, " ", len);
358 2b2d2872 2021-06-20 op }
359 2b2d2872 2021-06-20 op 
360 2b2d2872 2021-06-20 op void
361 2b2d2872 2021-06-20 op cmd_tab_close(struct buffer *buffer)
362 2b2d2872 2021-06-20 op {
363 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
364 2b2d2872 2021-06-20 op 
365 2b2d2872 2021-06-20 op 	tab = current_tab();
366 2b2d2872 2021-06-20 op 	if (TAILQ_PREV(tab, tabshead, tabs) == NULL &&
367 2b2d2872 2021-06-20 op 	    TAILQ_NEXT(tab, tabs) == NULL) {
368 2b2d2872 2021-06-20 op 		message("Can't close the only tab.");
369 2b2d2872 2021-06-20 op 		return;
370 2b2d2872 2021-06-20 op 	}
371 2b2d2872 2021-06-20 op 
372 2b2d2872 2021-06-20 op 	if (evtimer_pending(&tab->loadingev, NULL))
373 2b2d2872 2021-06-20 op 		evtimer_del(&tab->loadingev);
374 2b2d2872 2021-06-20 op 
375 2b2d2872 2021-06-20 op 	stop_tab(tab);
376 2b2d2872 2021-06-20 op 
377 2b2d2872 2021-06-20 op 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
378 2b2d2872 2021-06-20 op 		t = TAILQ_NEXT(tab, tabs);
379 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
380 2b2d2872 2021-06-20 op 	free(tab);
381 2b2d2872 2021-06-20 op 
382 2b2d2872 2021-06-20 op 	switch_to_tab(t);
383 2b2d2872 2021-06-20 op }
384 2b2d2872 2021-06-20 op 
385 2b2d2872 2021-06-20 op void
386 2b2d2872 2021-06-20 op cmd_tab_close_other(struct buffer *buffer)
387 2b2d2872 2021-06-20 op {
388 2b2d2872 2021-06-20 op 	struct tab *t, *i;
389 2b2d2872 2021-06-20 op 
390 2b2d2872 2021-06-20 op 	TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
391 2b2d2872 2021-06-20 op 		if (t->flags & TAB_CURRENT)
392 2b2d2872 2021-06-20 op 			continue;
393 2b2d2872 2021-06-20 op 
394 2b2d2872 2021-06-20 op 		stop_tab(t);
395 2b2d2872 2021-06-20 op 		TAILQ_REMOVE(&tabshead, t, tabs);
396 2b2d2872 2021-06-20 op 		free(t);
397 2b2d2872 2021-06-20 op 	}
398 2b2d2872 2021-06-20 op }
399 2b2d2872 2021-06-20 op 
400 2b2d2872 2021-06-20 op void
401 2b2d2872 2021-06-20 op cmd_tab_new(struct buffer *buffer)
402 2b2d2872 2021-06-20 op {
403 2b2d2872 2021-06-20 op 	const char *url;
404 2b2d2872 2021-06-20 op 
405 2b2d2872 2021-06-20 op 	if ((url = new_tab_url) == NULL)
406 2b2d2872 2021-06-20 op 		url = NEW_TAB_URL;
407 2b2d2872 2021-06-20 op 
408 2b2d2872 2021-06-20 op 	new_tab(url);
409 2b2d2872 2021-06-20 op }
410 2b2d2872 2021-06-20 op 
411 2b2d2872 2021-06-20 op void
412 2b2d2872 2021-06-20 op cmd_tab_next(struct buffer *buffer)
413 2b2d2872 2021-06-20 op {
414 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
415 2b2d2872 2021-06-20 op 
416 2b2d2872 2021-06-20 op 	tab = current_tab();
417 2b2d2872 2021-06-20 op 	tab->flags &= ~TAB_CURRENT;
418 2b2d2872 2021-06-20 op 
419 2b2d2872 2021-06-20 op 	if ((t = TAILQ_NEXT(tab, tabs)) == NULL)
420 2b2d2872 2021-06-20 op 		t = TAILQ_FIRST(&tabshead);
421 2b2d2872 2021-06-20 op 	t->flags |= TAB_CURRENT;
422 2b2d2872 2021-06-20 op 	t->flags &= ~TAB_URGENT;
423 2b2d2872 2021-06-20 op }
424 2b2d2872 2021-06-20 op 
425 2b2d2872 2021-06-20 op void
426 2b2d2872 2021-06-20 op cmd_tab_previous(struct buffer *buffer)
427 2b2d2872 2021-06-20 op {
428 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
429 2b2d2872 2021-06-20 op 
430 2b2d2872 2021-06-20 op 	tab = current_tab();
431 2b2d2872 2021-06-20 op 	tab->flags &= ~TAB_CURRENT;
432 2b2d2872 2021-06-20 op 
433 2b2d2872 2021-06-20 op 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
434 2b2d2872 2021-06-20 op 		t = TAILQ_LAST(&tabshead, tabshead);
435 2b2d2872 2021-06-20 op 	t->flags |= TAB_CURRENT;
436 2b2d2872 2021-06-20 op 	t->flags &= ~TAB_URGENT;
437 2b2d2872 2021-06-20 op }
438 2b2d2872 2021-06-20 op 
439 2b2d2872 2021-06-20 op void
440 2b2d2872 2021-06-20 op cmd_tab_move(struct buffer *buffer)
441 2b2d2872 2021-06-20 op {
442 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
443 2b2d2872 2021-06-20 op 
444 2b2d2872 2021-06-20 op 	tab = current_tab();
445 2b2d2872 2021-06-20 op 	t = TAILQ_NEXT(tab, tabs);
446 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
447 2b2d2872 2021-06-20 op 
448 2b2d2872 2021-06-20 op 	if (t == NULL)
449 2b2d2872 2021-06-20 op 		TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
450 2b2d2872 2021-06-20 op 	else
451 2b2d2872 2021-06-20 op 		TAILQ_INSERT_AFTER(&tabshead, t, tab, tabs);
452 2b2d2872 2021-06-20 op }
453 2b2d2872 2021-06-20 op 
454 2b2d2872 2021-06-20 op void
455 2b2d2872 2021-06-20 op cmd_tab_move_to(struct buffer *buffer)
456 2b2d2872 2021-06-20 op {
457 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
458 2b2d2872 2021-06-20 op 
459 2b2d2872 2021-06-20 op 	tab = current_tab();
460 2b2d2872 2021-06-20 op 	t = TAILQ_PREV(tab, tabshead, tabs);
461 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
462 2b2d2872 2021-06-20 op 
463 2b2d2872 2021-06-20 op 	if (t == NULL) {
464 2b2d2872 2021-06-20 op 		if (TAILQ_EMPTY(&tabshead))
465 2b2d2872 2021-06-20 op 			TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
466 2b2d2872 2021-06-20 op 		else
467 2b2d2872 2021-06-20 op 			TAILQ_INSERT_TAIL(&tabshead, tab, tabs);
468 2b2d2872 2021-06-20 op 	} else
469 2b2d2872 2021-06-20 op 		TAILQ_INSERT_BEFORE(t, tab, tabs);
470 2b2d2872 2021-06-20 op }
471 2b2d2872 2021-06-20 op 
472 2b2d2872 2021-06-20 op void
473 2b2d2872 2021-06-20 op cmd_load_url(struct buffer *buffer)
474 2b2d2872 2021-06-20 op {
475 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
476 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
477 2b2d2872 2021-06-20 op 		return;
478 2b2d2872 2021-06-20 op 	}
479 2b2d2872 2021-06-20 op 
480 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, lu_select, exit_minibuffer,
481 2b2d2872 2021-06-20 op 	    &lu_history);
482 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
483 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, "gemini://", sizeof(ministate.buf));
484 2b2d2872 2021-06-20 op 	cmd_move_end_of_line(&ministate.buffer);
485 2b2d2872 2021-06-20 op }
486 2b2d2872 2021-06-20 op 
487 2b2d2872 2021-06-20 op void
488 2b2d2872 2021-06-20 op cmd_load_current_url(struct buffer *buffer)
489 2b2d2872 2021-06-20 op {
490 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
491 2b2d2872 2021-06-20 op 
492 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
493 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
494 2b2d2872 2021-06-20 op 		return;
495 2b2d2872 2021-06-20 op 	}
496 2b2d2872 2021-06-20 op 
497 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, lu_select, exit_minibuffer,
498 2b2d2872 2021-06-20 op 	    &lu_history);
499 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
500 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
501 2b2d2872 2021-06-20 op 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
502 2b2d2872 2021-06-20 op }
503 2b2d2872 2021-06-20 op 
504 2b2d2872 2021-06-20 op void
505 2b2d2872 2021-06-20 op cmd_bookmark_page(struct buffer *buffer)
506 2b2d2872 2021-06-20 op {
507 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
508 2b2d2872 2021-06-20 op 
509 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, bp_select, exit_minibuffer, NULL);
510 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
511 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
512 2b2d2872 2021-06-20 op 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
513 2b2d2872 2021-06-20 op }
514 2b2d2872 2021-06-20 op 
515 2b2d2872 2021-06-20 op void
516 2b2d2872 2021-06-20 op cmd_list_bookmarks(struct buffer *buffer)
517 2b2d2872 2021-06-20 op {
518 2b2d2872 2021-06-20 op 	load_url_in_tab(current_tab(), "about:bookmarks");
519 2b2d2872 2021-06-20 op }
520 2b2d2872 2021-06-20 op 
521 2b2d2872 2021-06-20 op void
522 2b2d2872 2021-06-20 op cmd_toggle_help(struct buffer *buffer)
523 2b2d2872 2021-06-20 op {
524 2b2d2872 2021-06-20 op 	ui_toggle_side_window();
525 2b2d2872 2021-06-20 op }
526 2b2d2872 2021-06-20 op 
527 2b2d2872 2021-06-20 op void
528 61251035 2021-06-26 op cmd_inc_fill_column(struct buffer *buffer)
529 61251035 2021-06-26 op {
530 61251035 2021-06-26 op 	if (fill_column == INT_MAX)
531 61251035 2021-06-26 op 		return;
532 61251035 2021-06-26 op 
533 61251035 2021-06-26 op 	fill_column += 2;
534 61251035 2021-06-26 op 	message("fill-column: %d", fill_column);
535 61251035 2021-06-26 op 
536 61251035 2021-06-26 op 	ui_schedule_redraw();
537 61251035 2021-06-26 op }
538 61251035 2021-06-26 op 
539 61251035 2021-06-26 op void
540 61251035 2021-06-26 op cmd_dec_fill_column(struct buffer *buffer)
541 61251035 2021-06-26 op {
542 61251035 2021-06-26 op 	if (fill_column == INT_MAX || fill_column < 8)
543 61251035 2021-06-26 op 		return;
544 61251035 2021-06-26 op 
545 61251035 2021-06-26 op 	fill_column -= 2;
546 61251035 2021-06-26 op 	message("fill-column: %d", fill_column);
547 61251035 2021-06-26 op 
548 61251035 2021-06-26 op 	ui_schedule_redraw();
549 61251035 2021-06-26 op }
550 61251035 2021-06-26 op 
551 61251035 2021-06-26 op void
552 2b2d2872 2021-06-20 op cmd_olivetti_mode(struct buffer *buffer)
553 2b2d2872 2021-06-20 op {
554 2b2d2872 2021-06-20 op 	olivetti_mode = !olivetti_mode;
555 2b2d2872 2021-06-20 op 	if (olivetti_mode)
556 2b2d2872 2021-06-20 op 		message("olivetti-mode enabled");
557 2b2d2872 2021-06-20 op 	else
558 2b2d2872 2021-06-20 op 		message("olivetti-mode disabled");
559 2b2d2872 2021-06-20 op 
560 2b2d2872 2021-06-20 op 	ui_schedule_redraw();
561 2b2d2872 2021-06-20 op }
562 2b2d2872 2021-06-20 op 
563 2b2d2872 2021-06-20 op void
564 2b2d2872 2021-06-20 op cmd_mini_delete_char(struct buffer *buffer)
565 2b2d2872 2021-06-20 op {
566 2b2d2872 2021-06-20 op 	char *c, *n;
567 2b2d2872 2021-06-20 op 
568 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
569 2b2d2872 2021-06-20 op 		message("text is read-only");
570 2b2d2872 2021-06-20 op 		return;
571 2b2d2872 2021-06-20 op 	}
572 2b2d2872 2021-06-20 op 
573 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
574 2b2d2872 2021-06-20 op 
575 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
576 2b2d2872 2021-06-20 op 	if (*c == '\0')
577 2b2d2872 2021-06-20 op 		return;
578 2b2d2872 2021-06-20 op 	n = utf8_next_cp(c);
579 2b2d2872 2021-06-20 op 
580 2b2d2872 2021-06-20 op 	memmove(c, n, strlen(n)+1);
581 2b2d2872 2021-06-20 op }
582 2b2d2872 2021-06-20 op 
583 2b2d2872 2021-06-20 op void
584 2b2d2872 2021-06-20 op cmd_mini_delete_backward_char(struct buffer *buffer)
585 2b2d2872 2021-06-20 op {
586 2b2d2872 2021-06-20 op 	char *c, *p, *start;
587 2b2d2872 2021-06-20 op 
588 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
589 2b2d2872 2021-06-20 op 		message("text is read-only");
590 2b2d2872 2021-06-20 op 		return;
591 2b2d2872 2021-06-20 op 	}
592 2b2d2872 2021-06-20 op 
593 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
594 2b2d2872 2021-06-20 op 
595 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
596 2b2d2872 2021-06-20 op 	start = buffer->current_line->line;
597 2b2d2872 2021-06-20 op 	if (c == start)
598 2b2d2872 2021-06-20 op 		return;
599 2b2d2872 2021-06-20 op 	p = utf8_prev_cp(c-1, start);
600 2b2d2872 2021-06-20 op 
601 2b2d2872 2021-06-20 op 	memmove(p, c, strlen(c)+1);
602 2b2d2872 2021-06-20 op 	buffer->cpoff--;
603 2b2d2872 2021-06-20 op }
604 2b2d2872 2021-06-20 op 
605 2b2d2872 2021-06-20 op void
606 2b2d2872 2021-06-20 op cmd_mini_kill_line(struct buffer *buffer)
607 2b2d2872 2021-06-20 op {
608 2b2d2872 2021-06-20 op 	char *c;
609 2b2d2872 2021-06-20 op 
610 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
611 2b2d2872 2021-06-20 op 		message("text is read-only");
612 2b2d2872 2021-06-20 op 		return;
613 2b2d2872 2021-06-20 op 	}
614 2b2d2872 2021-06-20 op 
615 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
616 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
617 2b2d2872 2021-06-20 op 	*c = '\0';
618 2b2d2872 2021-06-20 op }
619 2b2d2872 2021-06-20 op 
620 2b2d2872 2021-06-20 op void
621 2b2d2872 2021-06-20 op cmd_mini_abort(struct buffer *buffer)
622 2b2d2872 2021-06-20 op {
623 2b2d2872 2021-06-20 op 	if (!in_minibuffer)
624 2b2d2872 2021-06-20 op 		return;
625 2b2d2872 2021-06-20 op 
626 2b2d2872 2021-06-20 op 	ministate.abortfn();
627 2b2d2872 2021-06-20 op }
628 2b2d2872 2021-06-20 op 
629 2b2d2872 2021-06-20 op void
630 2b2d2872 2021-06-20 op cmd_mini_complete_and_exit(struct buffer *buffer)
631 2b2d2872 2021-06-20 op {
632 2b2d2872 2021-06-20 op 	if (!in_minibuffer)
633 2b2d2872 2021-06-20 op 		return;
634 2b2d2872 2021-06-20 op 
635 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
636 2b2d2872 2021-06-20 op 	ministate.donefn();
637 2b2d2872 2021-06-20 op }
638 2b2d2872 2021-06-20 op 
639 2b2d2872 2021-06-20 op void
640 2b2d2872 2021-06-20 op cmd_mini_previous_history_element(struct buffer *buffer)
641 2b2d2872 2021-06-20 op {
642 2b2d2872 2021-06-20 op 	if (ministate.history == NULL) {
643 2b2d2872 2021-06-20 op 		message("No history");
644 2b2d2872 2021-06-20 op 		return;
645 2b2d2872 2021-06-20 op 	}
646 2b2d2872 2021-06-20 op 
647 2b2d2872 2021-06-20 op 	if (ministate.hist_cur == NULL ||
648 2b2d2872 2021-06-20 op 	    (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
649 2b2d2872 2021-06-20 op 		ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
650 2b2d2872 2021-06-20 op 		ministate.hist_off = ministate.history->len - 1;
651 2b2d2872 2021-06-20 op 		if (ministate.hist_cur == NULL)
652 2b2d2872 2021-06-20 op 			message("No prev item");
653 2b2d2872 2021-06-20 op 	} else {
654 2b2d2872 2021-06-20 op 		ministate.hist_off--;
655 2b2d2872 2021-06-20 op 	}
656 2b2d2872 2021-06-20 op 
657 2b2d2872 2021-06-20 op 	if (ministate.hist_cur != NULL)
658 2b2d2872 2021-06-20 op 		buffer->current_line->line = ministate.hist_cur->h;
659 2b2d2872 2021-06-20 op }
660 2b2d2872 2021-06-20 op 
661 2b2d2872 2021-06-20 op void
662 2b2d2872 2021-06-20 op cmd_mini_next_history_element(struct buffer *buffer)
663 2b2d2872 2021-06-20 op {
664 2b2d2872 2021-06-20 op 	if (ministate.history == NULL) {
665 2b2d2872 2021-06-20 op 		message("No history");
666 2b2d2872 2021-06-20 op 		return;
667 2b2d2872 2021-06-20 op 	}
668 2b2d2872 2021-06-20 op 
669 2b2d2872 2021-06-20 op 	if (ministate.hist_cur == NULL ||
670 2b2d2872 2021-06-20 op 	    (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
671 2b2d2872 2021-06-20 op 		ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
672 2b2d2872 2021-06-20 op 		ministate.hist_off = 0;
673 2b2d2872 2021-06-20 op 		if (ministate.hist_cur == NULL)
674 2b2d2872 2021-06-20 op 			message("No next item");
675 2b2d2872 2021-06-20 op 	} else {
676 2b2d2872 2021-06-20 op 		ministate.hist_off++;
677 2b2d2872 2021-06-20 op 	}
678 2b2d2872 2021-06-20 op 
679 2b2d2872 2021-06-20 op 	if (ministate.hist_cur != NULL)
680 2b2d2872 2021-06-20 op 		buffer->current_line->line = ministate.hist_cur->h;
681 2b2d2872 2021-06-20 op }