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 e5a2797f 2021-07-13 op #include "defaults.h"
 22 450a89f7 2021-07-12 op #include "minibuffer.h"
 23 2b2d2872 2021-06-20 op #include "telescope.h"
 24 d1a0f2a3 2021-07-12 op #include "ui.h"
 25 5caf7d67 2021-07-12 op #include "utf8.h"
 26 2b2d2872 2021-06-20 op 
 27 c4c82003 2021-07-01 op /* return 1 if moved, 0 otherwise */
 28 c4c82003 2021-07-01 op static inline int
 29 c4c82003 2021-07-01 op forward_line(struct buffer *buffer, int n)
 30 2b2d2872 2021-06-20 op {
 31 c4c82003 2021-07-01 op 	struct vline *vl;
 32 c4c82003 2021-07-01 op 	int did;
 33 2b2d2872 2021-06-20 op 
 34 c4c82003 2021-07-01 op 	if (buffer->current_line == NULL)
 35 c4c82003 2021-07-01 op 		return 0;
 36 963c680c 2021-07-05 op 	vl = buffer->current_line;
 37 2b2d2872 2021-06-20 op 
 38 c4c82003 2021-07-01 op 	did = 0;
 39 c4c82003 2021-07-01 op 	while (n != 0) {
 40 c4c82003 2021-07-01 op 		if (n > 0) {
 41 963c680c 2021-07-05 op 			vl = TAILQ_NEXT(vl, vlines);
 42 c4c82003 2021-07-01 op 			if (vl == NULL)
 43 c4c82003 2021-07-01 op 				return did;
 44 963c680c 2021-07-05 op 			if (vl->parent->flags & L_HIDDEN)
 45 963c680c 2021-07-05 op 				continue;
 46 c4c82003 2021-07-01 op 			buffer->current_line = vl;
 47 c4c82003 2021-07-01 op 			n--;
 48 c4c82003 2021-07-01 op 		} else {
 49 963c680c 2021-07-05 op 			vl = TAILQ_PREV(vl, vhead, vlines);
 50 c4c82003 2021-07-01 op 			if (vl == NULL)
 51 c4c82003 2021-07-01 op 				return did;
 52 963c680c 2021-07-05 op 			if (vl->parent->flags & L_HIDDEN)
 53 963c680c 2021-07-05 op 				continue;
 54 c4c82003 2021-07-01 op 			if (buffer->current_line == buffer->top_line)
 55 c4c82003 2021-07-01 op 				buffer->top_line = vl;
 56 c4c82003 2021-07-01 op 			buffer->current_line = vl;
 57 c4c82003 2021-07-01 op 			n++;
 58 c4c82003 2021-07-01 op 		}
 59 c4c82003 2021-07-01 op 
 60 c4c82003 2021-07-01 op 		did = 1;
 61 2b2d2872 2021-06-20 op 	}
 62 2b2d2872 2021-06-20 op 
 63 c4c82003 2021-07-01 op 	return did;
 64 2b2d2872 2021-06-20 op }
 65 2b2d2872 2021-06-20 op 
 66 2b2d2872 2021-06-20 op void
 67 c4c82003 2021-07-01 op cmd_previous_line(struct buffer *buffer)
 68 2b2d2872 2021-06-20 op {
 69 c4c82003 2021-07-01 op 	forward_line(buffer, -1);
 70 c4c82003 2021-07-01 op }
 71 2b2d2872 2021-06-20 op 
 72 c4c82003 2021-07-01 op void
 73 c4c82003 2021-07-01 op cmd_next_line(struct buffer *buffer)
 74 c4c82003 2021-07-01 op {
 75 c4c82003 2021-07-01 op 	forward_line(buffer, +1);
 76 2b2d2872 2021-06-20 op }
 77 2b2d2872 2021-06-20 op 
 78 2b2d2872 2021-06-20 op void
 79 2b2d2872 2021-06-20 op cmd_backward_char(struct buffer *buffer)
 80 2b2d2872 2021-06-20 op {
 81 2b2d2872 2021-06-20 op 	if (buffer->cpoff != 0)
 82 2b2d2872 2021-06-20 op 		buffer->cpoff--;
 83 2b2d2872 2021-06-20 op }
 84 2b2d2872 2021-06-20 op 
 85 2b2d2872 2021-06-20 op void
 86 2b2d2872 2021-06-20 op cmd_forward_char(struct buffer *buffer)
 87 2b2d2872 2021-06-20 op {
 88 2b2d2872 2021-06-20 op 	size_t len = 0;
 89 2b2d2872 2021-06-20 op 
 90 2b2d2872 2021-06-20 op 	if (buffer->current_line->line != NULL)
 91 2b2d2872 2021-06-20 op 		len = utf8_cplen(buffer->current_line->line);
 92 2b2d2872 2021-06-20 op 	if (++buffer->cpoff > len)
 93 2b2d2872 2021-06-20 op 		buffer->cpoff = len;
 94 2b2d2872 2021-06-20 op }
 95 2b2d2872 2021-06-20 op 
 96 2b2d2872 2021-06-20 op void
 97 2b2d2872 2021-06-20 op cmd_backward_paragraph(struct buffer *buffer)
 98 2b2d2872 2021-06-20 op {
 99 2b2d2872 2021-06-20 op 	do {
100 c4c82003 2021-07-01 op 		if (!forward_line(buffer, -1)) {
101 2b2d2872 2021-06-20 op 			message("No previous paragraph");
102 2b2d2872 2021-06-20 op 			return;
103 2b2d2872 2021-06-20 op 		}
104 2b2d2872 2021-06-20 op 	} while (buffer->current_line->line != NULL ||
105 2b2d2872 2021-06-20 op 	    buffer->current_line->parent->type != LINE_TEXT);
106 2b2d2872 2021-06-20 op }
107 2b2d2872 2021-06-20 op 
108 2b2d2872 2021-06-20 op void
109 2b2d2872 2021-06-20 op cmd_forward_paragraph(struct buffer *buffer)
110 2b2d2872 2021-06-20 op {
111 2b2d2872 2021-06-20 op 	do {
112 c4c82003 2021-07-01 op 		if (!forward_line(buffer, +1)) {
113 2b2d2872 2021-06-20 op 			message("No next paragraph");
114 2b2d2872 2021-06-20 op 			return;
115 2b2d2872 2021-06-20 op 		}
116 2b2d2872 2021-06-20 op 	} while (buffer->current_line->line != NULL ||
117 2b2d2872 2021-06-20 op 	    buffer->current_line->parent->type != LINE_TEXT);
118 2b2d2872 2021-06-20 op }
119 2b2d2872 2021-06-20 op 
120 2b2d2872 2021-06-20 op void
121 2b2d2872 2021-06-20 op cmd_move_beginning_of_line(struct buffer *buffer)
122 2b2d2872 2021-06-20 op {
123 2b2d2872 2021-06-20 op 	buffer->cpoff = 0;
124 2b2d2872 2021-06-20 op }
125 2b2d2872 2021-06-20 op 
126 2b2d2872 2021-06-20 op void
127 2b2d2872 2021-06-20 op cmd_move_end_of_line(struct buffer *buffer)
128 2b2d2872 2021-06-20 op {
129 2b2d2872 2021-06-20 op 	struct vline	*vl;
130 2b2d2872 2021-06-20 op 
131 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
132 2b2d2872 2021-06-20 op 	if (vl->line == NULL)
133 2b2d2872 2021-06-20 op 		return;
134 2b2d2872 2021-06-20 op 	buffer->cpoff = utf8_cplen(vl->line);
135 2b2d2872 2021-06-20 op }
136 2b2d2872 2021-06-20 op 
137 2b2d2872 2021-06-20 op void
138 2b2d2872 2021-06-20 op cmd_redraw(struct buffer *buffer)
139 2b2d2872 2021-06-20 op {
140 2b2d2872 2021-06-20 op         ui_schedule_redraw();
141 2b2d2872 2021-06-20 op }
142 2b2d2872 2021-06-20 op 
143 2b2d2872 2021-06-20 op void
144 2b2d2872 2021-06-20 op cmd_scroll_line_up(struct buffer *buffer)
145 2b2d2872 2021-06-20 op {
146 e39920a9 2021-07-07 op 	struct vline	*vl;
147 e39920a9 2021-07-07 op 
148 e39920a9 2021-07-07 op 	if ((vl = TAILQ_PREV(buffer->top_line, vhead, vlines))
149 e39920a9 2021-07-07 op 	    == NULL)
150 2b2d2872 2021-06-20 op 		return;
151 2b2d2872 2021-06-20 op 
152 e39920a9 2021-07-07 op 	forward_line(buffer, -1);
153 e39920a9 2021-07-07 op 
154 2b2d2872 2021-06-20 op 	buffer->line_off--;
155 e39920a9 2021-07-07 op 	buffer->top_line = vl;
156 2b2d2872 2021-06-20 op }
157 2b2d2872 2021-06-20 op 
158 2b2d2872 2021-06-20 op void
159 2b2d2872 2021-06-20 op cmd_scroll_line_down(struct buffer *buffer)
160 2b2d2872 2021-06-20 op {
161 c4c82003 2021-07-01 op 	if (!forward_line(buffer, +1))
162 2b2d2872 2021-06-20 op 		return;
163 2b2d2872 2021-06-20 op 
164 94ec38e8 2021-06-29 op 	buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
165 2b2d2872 2021-06-20 op 	buffer->line_off++;
166 2b2d2872 2021-06-20 op }
167 2b2d2872 2021-06-20 op 
168 2b2d2872 2021-06-20 op void
169 2b2d2872 2021-06-20 op cmd_scroll_up(struct buffer *buffer)
170 2b2d2872 2021-06-20 op {
171 d38e7214 2021-07-05 op 	forward_line(buffer, -1*body_lines);
172 2b2d2872 2021-06-20 op }
173 2b2d2872 2021-06-20 op 
174 2b2d2872 2021-06-20 op void
175 2b2d2872 2021-06-20 op cmd_scroll_down(struct buffer *buffer)
176 2b2d2872 2021-06-20 op {
177 d38e7214 2021-07-05 op 	forward_line(buffer, body_lines);
178 2b2d2872 2021-06-20 op }
179 2b2d2872 2021-06-20 op 
180 2b2d2872 2021-06-20 op void
181 2b2d2872 2021-06-20 op cmd_beginning_of_buffer(struct buffer *buffer)
182 2b2d2872 2021-06-20 op {
183 2b2d2872 2021-06-20 op 	buffer->current_line = TAILQ_FIRST(&buffer->head);
184 c4c82003 2021-07-01 op 	buffer->cpoff = 0;
185 94ec38e8 2021-06-29 op 	buffer->top_line = buffer->current_line;
186 2b2d2872 2021-06-20 op 	buffer->line_off = 0;
187 2b2d2872 2021-06-20 op }
188 2b2d2872 2021-06-20 op 
189 2b2d2872 2021-06-20 op void
190 2b2d2872 2021-06-20 op cmd_end_of_buffer(struct buffer *buffer)
191 2b2d2872 2021-06-20 op {
192 2b2d2872 2021-06-20 op 	buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
193 2b2d2872 2021-06-20 op 	buffer->cpoff = body_cols;
194 2b2d2872 2021-06-20 op }
195 2b2d2872 2021-06-20 op 
196 2b2d2872 2021-06-20 op void
197 2b2d2872 2021-06-20 op cmd_kill_telescope(struct buffer *buffer)
198 2b2d2872 2021-06-20 op {
199 2b2d2872 2021-06-20 op 	save_session();
200 2b2d2872 2021-06-20 op 	event_loopbreak();
201 2b2d2872 2021-06-20 op }
202 2b2d2872 2021-06-20 op 
203 2b2d2872 2021-06-20 op void
204 2b2d2872 2021-06-20 op cmd_push_button(struct buffer *buffer)
205 2b2d2872 2021-06-20 op {
206 2b2d2872 2021-06-20 op 	struct vline	*vl;
207 963c680c 2021-07-05 op 	struct line	*l;
208 2b2d2872 2021-06-20 op 
209 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
210 963c680c 2021-07-05 op 	switch (vl->parent->type) {
211 963c680c 2021-07-05 op 	case LINE_LINK:
212 963c680c 2021-07-05 op 		load_url_in_tab(current_tab(), vl->parent->alt);
213 963c680c 2021-07-05 op 		break;
214 963c680c 2021-07-05 op 	case LINE_PRE_START:
215 963c680c 2021-07-05 op 		l = TAILQ_NEXT(vl->parent, lines);
216 963c680c 2021-07-05 op 		for (; l != NULL; l = TAILQ_NEXT(l, lines)) {
217 963c680c 2021-07-05 op 			if (l->type == LINE_PRE_END)
218 963c680c 2021-07-05 op 				break;
219 963c680c 2021-07-05 op 			l->flags ^= L_HIDDEN;
220 963c680c 2021-07-05 op 		}
221 963c680c 2021-07-05 op 		break;
222 963c680c 2021-07-05 op 	default:
223 963c680c 2021-07-05 op 		break;
224 963c680c 2021-07-05 op 	}
225 2b2d2872 2021-06-20 op }
226 2b2d2872 2021-06-20 op 
227 2b2d2872 2021-06-20 op void
228 2b2d2872 2021-06-20 op cmd_push_button_new_tab(struct buffer *buffer)
229 2b2d2872 2021-06-20 op {
230 2b2d2872 2021-06-20 op 	struct vline	*vl;
231 2b2d2872 2021-06-20 op 
232 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
233 2b2d2872 2021-06-20 op 	if (vl->parent->type != LINE_LINK)
234 2b2d2872 2021-06-20 op 		return;
235 2b2d2872 2021-06-20 op 
236 2b2d2872 2021-06-20 op 	new_tab(vl->parent->alt);
237 2b2d2872 2021-06-20 op }
238 2b2d2872 2021-06-20 op 
239 2b2d2872 2021-06-20 op void
240 2b2d2872 2021-06-20 op cmd_previous_button(struct buffer *buffer)
241 2b2d2872 2021-06-20 op {
242 5d0feb4b 2021-06-23 op 	struct excursion place;
243 5d0feb4b 2021-06-23 op 
244 5d0feb4b 2021-06-23 op 	save_excursion(&place, buffer);
245 5d0feb4b 2021-06-23 op 
246 2b2d2872 2021-06-20 op 	do {
247 c4c82003 2021-07-01 op 		if (!forward_line(buffer, -1)) {
248 5d0feb4b 2021-06-23 op 			restore_excursion(&place, buffer);
249 2b2d2872 2021-06-20 op 			message("No previous link");
250 2b2d2872 2021-06-20 op 			return;
251 2b2d2872 2021-06-20 op 		}
252 2b2d2872 2021-06-20 op 	} while (buffer->current_line->parent->type != LINE_LINK);
253 2b2d2872 2021-06-20 op }
254 2b2d2872 2021-06-20 op 
255 2b2d2872 2021-06-20 op void
256 2b2d2872 2021-06-20 op cmd_next_button(struct buffer *buffer)
257 2b2d2872 2021-06-20 op {
258 5d0feb4b 2021-06-23 op 	struct excursion place;
259 5d0feb4b 2021-06-23 op 
260 5d0feb4b 2021-06-23 op 	save_excursion(&place, buffer);
261 5d0feb4b 2021-06-23 op 
262 2b2d2872 2021-06-20 op 	do {
263 c4c82003 2021-07-01 op 		if (!forward_line(buffer, +1)){
264 5d0feb4b 2021-06-23 op 			restore_excursion(&place, buffer);
265 2b2d2872 2021-06-20 op 			message("No next link");
266 2b2d2872 2021-06-20 op 			return;
267 2b2d2872 2021-06-20 op 		}
268 2b2d2872 2021-06-20 op 	} while (buffer->current_line->parent->type != LINE_LINK);
269 1c412d48 2021-06-25 op }
270 1c412d48 2021-06-25 op 
271 1c412d48 2021-06-25 op static inline int
272 1c412d48 2021-06-25 op is_heading(const struct line *l)
273 1c412d48 2021-06-25 op {
274 1c412d48 2021-06-25 op 	return l->type == LINE_TITLE_1 ||
275 1c412d48 2021-06-25 op 		l->type == LINE_TITLE_2 ||
276 1c412d48 2021-06-25 op 		l->type == LINE_TITLE_3;
277 1c412d48 2021-06-25 op }
278 1c412d48 2021-06-25 op 
279 1c412d48 2021-06-25 op void
280 1c412d48 2021-06-25 op cmd_previous_heading(struct buffer *buffer)
281 1c412d48 2021-06-25 op {
282 1c412d48 2021-06-25 op 	struct excursion place;
283 1c412d48 2021-06-25 op 
284 1c412d48 2021-06-25 op 	save_excursion(&place, buffer);
285 1c412d48 2021-06-25 op 
286 1c412d48 2021-06-25 op 	do {
287 c4c82003 2021-07-01 op 		if (!forward_line(buffer, -1)) {
288 1c412d48 2021-06-25 op 			restore_excursion(&place, buffer);
289 1c412d48 2021-06-25 op 			message("No previous heading");
290 1c412d48 2021-06-25 op 			return;
291 1c412d48 2021-06-25 op 		}
292 1c412d48 2021-06-25 op 	} while (!is_heading(buffer->current_line->parent));
293 2b2d2872 2021-06-20 op }
294 2b2d2872 2021-06-20 op 
295 2b2d2872 2021-06-20 op void
296 1c412d48 2021-06-25 op cmd_next_heading(struct buffer *buffer)
297 1c412d48 2021-06-25 op {
298 1c412d48 2021-06-25 op 	struct excursion place;
299 1c412d48 2021-06-25 op 
300 1c412d48 2021-06-25 op 	save_excursion(&place, buffer);
301 1c412d48 2021-06-25 op 
302 1c412d48 2021-06-25 op 	do {
303 c4c82003 2021-07-01 op 		if (!forward_line(buffer, +1)) {
304 1c412d48 2021-06-25 op 			restore_excursion(&place, buffer);
305 1c412d48 2021-06-25 op 			message("No next heading");
306 1c412d48 2021-06-25 op 			return;
307 1c412d48 2021-06-25 op 		}
308 1c412d48 2021-06-25 op 	} while (!is_heading(buffer->current_line->parent));
309 1c412d48 2021-06-25 op }
310 1c412d48 2021-06-25 op 
311 1c412d48 2021-06-25 op void
312 2b2d2872 2021-06-20 op cmd_previous_page(struct buffer *buffer)
313 2b2d2872 2021-06-20 op {
314 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
315 2b2d2872 2021-06-20 op 
316 2b2d2872 2021-06-20 op 	if (!load_previous_page(tab))
317 2b2d2872 2021-06-20 op 		message("No previous page");
318 2b2d2872 2021-06-20 op 	else
319 2b2d2872 2021-06-20 op 		start_loading_anim(tab);
320 2b2d2872 2021-06-20 op }
321 2b2d2872 2021-06-20 op 
322 2b2d2872 2021-06-20 op void
323 2b2d2872 2021-06-20 op cmd_next_page(struct buffer *buffer)
324 2b2d2872 2021-06-20 op {
325 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
326 2b2d2872 2021-06-20 op 
327 2b2d2872 2021-06-20 op 	if (!load_next_page(tab))
328 2b2d2872 2021-06-20 op 		message("No next page");
329 2b2d2872 2021-06-20 op 	else
330 2b2d2872 2021-06-20 op 		start_loading_anim(tab);
331 2b2d2872 2021-06-20 op }
332 2b2d2872 2021-06-20 op 
333 2b2d2872 2021-06-20 op void
334 2b2d2872 2021-06-20 op cmd_clear_minibuf(struct buffer *buffer)
335 2b2d2872 2021-06-20 op {
336 2b2d2872 2021-06-20 op         message(NULL);
337 2b2d2872 2021-06-20 op }
338 2b2d2872 2021-06-20 op 
339 2b2d2872 2021-06-20 op void
340 2b2d2872 2021-06-20 op cmd_execute_extended_command(struct buffer *buffer)
341 2b2d2872 2021-06-20 op {
342 2b2d2872 2021-06-20 op 	size_t	 len;
343 2b2d2872 2021-06-20 op 
344 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
345 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
346 2b2d2872 2021-06-20 op 		return;
347 2b2d2872 2021-06-20 op 	}
348 2b2d2872 2021-06-20 op 
349 2b2d2872 2021-06-20 op 	enter_minibuffer(eecmd_self_insert, eecmd_select, exit_minibuffer,
350 e5a2797f 2021-07-13 op 	    &eecmd_history, NULL, NULL);
351 2b2d2872 2021-06-20 op 
352 2b2d2872 2021-06-20 op 	len = sizeof(ministate.prompt);
353 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "", len);
354 2b2d2872 2021-06-20 op 
355 2b2d2872 2021-06-20 op 	if (thiskey.meta)
356 2b2d2872 2021-06-20 op 		strlcat(ministate.prompt, "M-", len);
357 2b2d2872 2021-06-20 op 
358 2b2d2872 2021-06-20 op 	strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
359 2b2d2872 2021-06-20 op 
360 2b2d2872 2021-06-20 op 	if (thiskey.meta)
361 2b2d2872 2021-06-20 op 		strlcat(ministate.prompt, " ", len);
362 2b2d2872 2021-06-20 op }
363 2b2d2872 2021-06-20 op 
364 2b2d2872 2021-06-20 op void
365 2b2d2872 2021-06-20 op cmd_tab_close(struct buffer *buffer)
366 2b2d2872 2021-06-20 op {
367 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
368 2b2d2872 2021-06-20 op 
369 2b2d2872 2021-06-20 op 	tab = current_tab();
370 2b2d2872 2021-06-20 op 	if (TAILQ_PREV(tab, tabshead, tabs) == NULL &&
371 2b2d2872 2021-06-20 op 	    TAILQ_NEXT(tab, tabs) == NULL) {
372 2b2d2872 2021-06-20 op 		message("Can't close the only tab.");
373 2b2d2872 2021-06-20 op 		return;
374 2b2d2872 2021-06-20 op 	}
375 2b2d2872 2021-06-20 op 
376 2b2d2872 2021-06-20 op 	if (evtimer_pending(&tab->loadingev, NULL))
377 2b2d2872 2021-06-20 op 		evtimer_del(&tab->loadingev);
378 2b2d2872 2021-06-20 op 
379 2b2d2872 2021-06-20 op 	stop_tab(tab);
380 2b2d2872 2021-06-20 op 
381 2b2d2872 2021-06-20 op 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
382 2b2d2872 2021-06-20 op 		t = TAILQ_NEXT(tab, tabs);
383 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
384 2b2d2872 2021-06-20 op 	free(tab);
385 2b2d2872 2021-06-20 op 
386 2b2d2872 2021-06-20 op 	switch_to_tab(t);
387 2b2d2872 2021-06-20 op }
388 2b2d2872 2021-06-20 op 
389 2b2d2872 2021-06-20 op void
390 2b2d2872 2021-06-20 op cmd_tab_close_other(struct buffer *buffer)
391 2b2d2872 2021-06-20 op {
392 2b2d2872 2021-06-20 op 	struct tab *t, *i;
393 2b2d2872 2021-06-20 op 
394 2b2d2872 2021-06-20 op 	TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
395 2b2d2872 2021-06-20 op 		if (t->flags & TAB_CURRENT)
396 2b2d2872 2021-06-20 op 			continue;
397 2b2d2872 2021-06-20 op 
398 2b2d2872 2021-06-20 op 		stop_tab(t);
399 2b2d2872 2021-06-20 op 		TAILQ_REMOVE(&tabshead, t, tabs);
400 2b2d2872 2021-06-20 op 		free(t);
401 2b2d2872 2021-06-20 op 	}
402 2b2d2872 2021-06-20 op }
403 2b2d2872 2021-06-20 op 
404 2b2d2872 2021-06-20 op void
405 2b2d2872 2021-06-20 op cmd_tab_new(struct buffer *buffer)
406 2b2d2872 2021-06-20 op {
407 2b2d2872 2021-06-20 op 	const char *url;
408 2b2d2872 2021-06-20 op 
409 2b2d2872 2021-06-20 op 	if ((url = new_tab_url) == NULL)
410 2b2d2872 2021-06-20 op 		url = NEW_TAB_URL;
411 2b2d2872 2021-06-20 op 
412 2b2d2872 2021-06-20 op 	new_tab(url);
413 2b2d2872 2021-06-20 op }
414 2b2d2872 2021-06-20 op 
415 2b2d2872 2021-06-20 op void
416 2b2d2872 2021-06-20 op cmd_tab_next(struct buffer *buffer)
417 2b2d2872 2021-06-20 op {
418 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
419 2b2d2872 2021-06-20 op 
420 2b2d2872 2021-06-20 op 	tab = current_tab();
421 2b2d2872 2021-06-20 op 	tab->flags &= ~TAB_CURRENT;
422 2b2d2872 2021-06-20 op 
423 2b2d2872 2021-06-20 op 	if ((t = TAILQ_NEXT(tab, tabs)) == NULL)
424 2b2d2872 2021-06-20 op 		t = TAILQ_FIRST(&tabshead);
425 2b2d2872 2021-06-20 op 	t->flags |= TAB_CURRENT;
426 2b2d2872 2021-06-20 op 	t->flags &= ~TAB_URGENT;
427 2b2d2872 2021-06-20 op }
428 2b2d2872 2021-06-20 op 
429 2b2d2872 2021-06-20 op void
430 2b2d2872 2021-06-20 op cmd_tab_previous(struct buffer *buffer)
431 2b2d2872 2021-06-20 op {
432 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
433 2b2d2872 2021-06-20 op 
434 2b2d2872 2021-06-20 op 	tab = current_tab();
435 2b2d2872 2021-06-20 op 	tab->flags &= ~TAB_CURRENT;
436 2b2d2872 2021-06-20 op 
437 2b2d2872 2021-06-20 op 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
438 2b2d2872 2021-06-20 op 		t = TAILQ_LAST(&tabshead, tabshead);
439 2b2d2872 2021-06-20 op 	t->flags |= TAB_CURRENT;
440 2b2d2872 2021-06-20 op 	t->flags &= ~TAB_URGENT;
441 2b2d2872 2021-06-20 op }
442 2b2d2872 2021-06-20 op 
443 2b2d2872 2021-06-20 op void
444 2b2d2872 2021-06-20 op cmd_tab_move(struct buffer *buffer)
445 2b2d2872 2021-06-20 op {
446 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
447 2b2d2872 2021-06-20 op 
448 2b2d2872 2021-06-20 op 	tab = current_tab();
449 2b2d2872 2021-06-20 op 	t = TAILQ_NEXT(tab, tabs);
450 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
451 2b2d2872 2021-06-20 op 
452 2b2d2872 2021-06-20 op 	if (t == NULL)
453 2b2d2872 2021-06-20 op 		TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
454 2b2d2872 2021-06-20 op 	else
455 2b2d2872 2021-06-20 op 		TAILQ_INSERT_AFTER(&tabshead, t, tab, tabs);
456 2b2d2872 2021-06-20 op }
457 2b2d2872 2021-06-20 op 
458 2b2d2872 2021-06-20 op void
459 2b2d2872 2021-06-20 op cmd_tab_move_to(struct buffer *buffer)
460 2b2d2872 2021-06-20 op {
461 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
462 2b2d2872 2021-06-20 op 
463 2b2d2872 2021-06-20 op 	tab = current_tab();
464 2b2d2872 2021-06-20 op 	t = TAILQ_PREV(tab, tabshead, tabs);
465 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
466 2b2d2872 2021-06-20 op 
467 2b2d2872 2021-06-20 op 	if (t == NULL) {
468 2b2d2872 2021-06-20 op 		if (TAILQ_EMPTY(&tabshead))
469 2b2d2872 2021-06-20 op 			TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
470 2b2d2872 2021-06-20 op 		else
471 2b2d2872 2021-06-20 op 			TAILQ_INSERT_TAIL(&tabshead, tab, tabs);
472 2b2d2872 2021-06-20 op 	} else
473 2b2d2872 2021-06-20 op 		TAILQ_INSERT_BEFORE(t, tab, tabs);
474 2b2d2872 2021-06-20 op }
475 2b2d2872 2021-06-20 op 
476 2b2d2872 2021-06-20 op void
477 2b2d2872 2021-06-20 op cmd_load_url(struct buffer *buffer)
478 2b2d2872 2021-06-20 op {
479 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
480 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
481 2b2d2872 2021-06-20 op 		return;
482 2b2d2872 2021-06-20 op 	}
483 2b2d2872 2021-06-20 op 
484 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, lu_select, exit_minibuffer,
485 e5a2797f 2021-07-13 op 	    &lu_history, NULL, NULL);
486 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
487 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, "gemini://", sizeof(ministate.buf));
488 2b2d2872 2021-06-20 op 	cmd_move_end_of_line(&ministate.buffer);
489 2b2d2872 2021-06-20 op }
490 2b2d2872 2021-06-20 op 
491 2b2d2872 2021-06-20 op void
492 2b2d2872 2021-06-20 op cmd_load_current_url(struct buffer *buffer)
493 2b2d2872 2021-06-20 op {
494 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
495 2b2d2872 2021-06-20 op 
496 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
497 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
498 2b2d2872 2021-06-20 op 		return;
499 2b2d2872 2021-06-20 op 	}
500 2b2d2872 2021-06-20 op 
501 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, lu_select, exit_minibuffer,
502 e5a2797f 2021-07-13 op 	    &lu_history, NULL, NULL);
503 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
504 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
505 2b2d2872 2021-06-20 op 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
506 2b2d2872 2021-06-20 op }
507 2b2d2872 2021-06-20 op 
508 2b2d2872 2021-06-20 op void
509 2b2d2872 2021-06-20 op cmd_bookmark_page(struct buffer *buffer)
510 2b2d2872 2021-06-20 op {
511 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
512 2b2d2872 2021-06-20 op 
513 e5a2797f 2021-07-13 op 	enter_minibuffer(lu_self_insert, bp_select, exit_minibuffer, NULL,
514 e5a2797f 2021-07-13 op 	    NULL, NULL);
515 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
516 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
517 2b2d2872 2021-06-20 op 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
518 2b2d2872 2021-06-20 op }
519 2b2d2872 2021-06-20 op 
520 2b2d2872 2021-06-20 op void
521 2b2d2872 2021-06-20 op cmd_list_bookmarks(struct buffer *buffer)
522 2b2d2872 2021-06-20 op {
523 2b2d2872 2021-06-20 op 	load_url_in_tab(current_tab(), "about:bookmarks");
524 2b2d2872 2021-06-20 op }
525 2b2d2872 2021-06-20 op 
526 2b2d2872 2021-06-20 op void
527 2b2d2872 2021-06-20 op cmd_toggle_help(struct buffer *buffer)
528 2b2d2872 2021-06-20 op {
529 2b2d2872 2021-06-20 op 	ui_toggle_side_window();
530 2b2d2872 2021-06-20 op }
531 2b2d2872 2021-06-20 op 
532 2b2d2872 2021-06-20 op void
533 61251035 2021-06-26 op cmd_inc_fill_column(struct buffer *buffer)
534 61251035 2021-06-26 op {
535 61251035 2021-06-26 op 	if (fill_column == INT_MAX)
536 61251035 2021-06-26 op 		return;
537 61251035 2021-06-26 op 
538 61251035 2021-06-26 op 	fill_column += 2;
539 61251035 2021-06-26 op 	message("fill-column: %d", fill_column);
540 61251035 2021-06-26 op 
541 61251035 2021-06-26 op 	ui_schedule_redraw();
542 61251035 2021-06-26 op }
543 61251035 2021-06-26 op 
544 61251035 2021-06-26 op void
545 61251035 2021-06-26 op cmd_dec_fill_column(struct buffer *buffer)
546 61251035 2021-06-26 op {
547 61251035 2021-06-26 op 	if (fill_column == INT_MAX || fill_column < 8)
548 61251035 2021-06-26 op 		return;
549 61251035 2021-06-26 op 
550 61251035 2021-06-26 op 	fill_column -= 2;
551 61251035 2021-06-26 op 	message("fill-column: %d", fill_column);
552 61251035 2021-06-26 op 
553 61251035 2021-06-26 op 	ui_schedule_redraw();
554 61251035 2021-06-26 op }
555 61251035 2021-06-26 op 
556 61251035 2021-06-26 op void
557 2b2d2872 2021-06-20 op cmd_olivetti_mode(struct buffer *buffer)
558 2b2d2872 2021-06-20 op {
559 2b2d2872 2021-06-20 op 	olivetti_mode = !olivetti_mode;
560 2b2d2872 2021-06-20 op 	if (olivetti_mode)
561 2b2d2872 2021-06-20 op 		message("olivetti-mode enabled");
562 2b2d2872 2021-06-20 op 	else
563 2b2d2872 2021-06-20 op 		message("olivetti-mode disabled");
564 2b2d2872 2021-06-20 op 
565 2b2d2872 2021-06-20 op 	ui_schedule_redraw();
566 2b2d2872 2021-06-20 op }
567 2b2d2872 2021-06-20 op 
568 2b2d2872 2021-06-20 op void
569 2b2d2872 2021-06-20 op cmd_mini_delete_char(struct buffer *buffer)
570 2b2d2872 2021-06-20 op {
571 2b2d2872 2021-06-20 op 	char *c, *n;
572 2b2d2872 2021-06-20 op 
573 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
574 2b2d2872 2021-06-20 op 		message("text is read-only");
575 2b2d2872 2021-06-20 op 		return;
576 2b2d2872 2021-06-20 op 	}
577 2b2d2872 2021-06-20 op 
578 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
579 2b2d2872 2021-06-20 op 
580 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
581 2b2d2872 2021-06-20 op 	if (*c == '\0')
582 2b2d2872 2021-06-20 op 		return;
583 2b2d2872 2021-06-20 op 	n = utf8_next_cp(c);
584 2b2d2872 2021-06-20 op 
585 2b2d2872 2021-06-20 op 	memmove(c, n, strlen(n)+1);
586 2b2d2872 2021-06-20 op }
587 2b2d2872 2021-06-20 op 
588 2b2d2872 2021-06-20 op void
589 2b2d2872 2021-06-20 op cmd_mini_delete_backward_char(struct buffer *buffer)
590 2b2d2872 2021-06-20 op {
591 2b2d2872 2021-06-20 op 	char *c, *p, *start;
592 2b2d2872 2021-06-20 op 
593 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
594 2b2d2872 2021-06-20 op 		message("text is read-only");
595 2b2d2872 2021-06-20 op 		return;
596 2b2d2872 2021-06-20 op 	}
597 2b2d2872 2021-06-20 op 
598 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
599 2b2d2872 2021-06-20 op 
600 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
601 2b2d2872 2021-06-20 op 	start = buffer->current_line->line;
602 2b2d2872 2021-06-20 op 	if (c == start)
603 2b2d2872 2021-06-20 op 		return;
604 2b2d2872 2021-06-20 op 	p = utf8_prev_cp(c-1, start);
605 2b2d2872 2021-06-20 op 
606 2b2d2872 2021-06-20 op 	memmove(p, c, strlen(c)+1);
607 2b2d2872 2021-06-20 op 	buffer->cpoff--;
608 2b2d2872 2021-06-20 op }
609 2b2d2872 2021-06-20 op 
610 2b2d2872 2021-06-20 op void
611 2b2d2872 2021-06-20 op cmd_mini_kill_line(struct buffer *buffer)
612 2b2d2872 2021-06-20 op {
613 2b2d2872 2021-06-20 op 	char *c;
614 2b2d2872 2021-06-20 op 
615 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
616 2b2d2872 2021-06-20 op 		message("text is read-only");
617 2b2d2872 2021-06-20 op 		return;
618 2b2d2872 2021-06-20 op 	}
619 2b2d2872 2021-06-20 op 
620 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
621 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
622 2b2d2872 2021-06-20 op 	*c = '\0';
623 2b2d2872 2021-06-20 op }
624 2b2d2872 2021-06-20 op 
625 2b2d2872 2021-06-20 op void
626 2b2d2872 2021-06-20 op cmd_mini_abort(struct buffer *buffer)
627 2b2d2872 2021-06-20 op {
628 2b2d2872 2021-06-20 op 	if (!in_minibuffer)
629 2b2d2872 2021-06-20 op 		return;
630 2b2d2872 2021-06-20 op 
631 2b2d2872 2021-06-20 op 	ministate.abortfn();
632 2b2d2872 2021-06-20 op }
633 2b2d2872 2021-06-20 op 
634 2b2d2872 2021-06-20 op void
635 2b2d2872 2021-06-20 op cmd_mini_complete_and_exit(struct buffer *buffer)
636 2b2d2872 2021-06-20 op {
637 2b2d2872 2021-06-20 op 	if (!in_minibuffer)
638 2b2d2872 2021-06-20 op 		return;
639 2b2d2872 2021-06-20 op 
640 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
641 2b2d2872 2021-06-20 op 	ministate.donefn();
642 2b2d2872 2021-06-20 op }
643 2b2d2872 2021-06-20 op 
644 2b2d2872 2021-06-20 op void
645 2b2d2872 2021-06-20 op cmd_mini_previous_history_element(struct buffer *buffer)
646 2b2d2872 2021-06-20 op {
647 2b2d2872 2021-06-20 op 	if (ministate.history == NULL) {
648 2b2d2872 2021-06-20 op 		message("No history");
649 2b2d2872 2021-06-20 op 		return;
650 2b2d2872 2021-06-20 op 	}
651 2b2d2872 2021-06-20 op 
652 2b2d2872 2021-06-20 op 	if (ministate.hist_cur == NULL ||
653 2b2d2872 2021-06-20 op 	    (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
654 2b2d2872 2021-06-20 op 		ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
655 2b2d2872 2021-06-20 op 		ministate.hist_off = ministate.history->len - 1;
656 2b2d2872 2021-06-20 op 		if (ministate.hist_cur == NULL)
657 2b2d2872 2021-06-20 op 			message("No prev item");
658 2b2d2872 2021-06-20 op 	} else {
659 2b2d2872 2021-06-20 op 		ministate.hist_off--;
660 2b2d2872 2021-06-20 op 	}
661 2b2d2872 2021-06-20 op 
662 2b2d2872 2021-06-20 op 	if (ministate.hist_cur != NULL)
663 2b2d2872 2021-06-20 op 		buffer->current_line->line = ministate.hist_cur->h;
664 2b2d2872 2021-06-20 op }
665 2b2d2872 2021-06-20 op 
666 2b2d2872 2021-06-20 op void
667 2b2d2872 2021-06-20 op cmd_mini_next_history_element(struct buffer *buffer)
668 2b2d2872 2021-06-20 op {
669 2b2d2872 2021-06-20 op 	if (ministate.history == NULL) {
670 2b2d2872 2021-06-20 op 		message("No history");
671 2b2d2872 2021-06-20 op 		return;
672 2b2d2872 2021-06-20 op 	}
673 2b2d2872 2021-06-20 op 
674 2b2d2872 2021-06-20 op 	if (ministate.hist_cur == NULL ||
675 2b2d2872 2021-06-20 op 	    (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
676 2b2d2872 2021-06-20 op 		ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
677 2b2d2872 2021-06-20 op 		ministate.hist_off = 0;
678 2b2d2872 2021-06-20 op 		if (ministate.hist_cur == NULL)
679 2b2d2872 2021-06-20 op 			message("No next item");
680 2b2d2872 2021-06-20 op 	} else {
681 2b2d2872 2021-06-20 op 		ministate.hist_off++;
682 2b2d2872 2021-06-20 op 	}
683 2b2d2872 2021-06-20 op 
684 2b2d2872 2021-06-20 op 	if (ministate.hist_cur != NULL)
685 2b2d2872 2021-06-20 op 		buffer->current_line->line = ministate.hist_cur->h;
686 2b2d2872 2021-06-20 op }