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