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 2b2d2872 2021-06-20 op void
 24 2b2d2872 2021-06-20 op cmd_previous_line(struct buffer *buffer)
 25 2b2d2872 2021-06-20 op {
 26 2b2d2872 2021-06-20 op 	struct vline	*vl;
 27 2b2d2872 2021-06-20 op 
 28 2b2d2872 2021-06-20 op 	if (buffer->current_line == NULL
 29 2b2d2872 2021-06-20 op 	    || (vl = TAILQ_PREV(buffer->current_line, vhead, vlines)) == NULL)
 30 2b2d2872 2021-06-20 op 		return;
 31 2b2d2872 2021-06-20 op 
 32 2b2d2872 2021-06-20 op 	if (--buffer->curs_y < 0) {
 33 2b2d2872 2021-06-20 op 		buffer->curs_y = 0;
 34 2b2d2872 2021-06-20 op 		cmd_scroll_line_up(buffer);
 35 2b2d2872 2021-06-20 op 		return;
 36 2b2d2872 2021-06-20 op 	}
 37 2b2d2872 2021-06-20 op 
 38 2b2d2872 2021-06-20 op 	buffer->current_line = vl;
 39 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
 40 2b2d2872 2021-06-20 op }
 41 2b2d2872 2021-06-20 op 
 42 2b2d2872 2021-06-20 op void
 43 2b2d2872 2021-06-20 op cmd_next_line(struct buffer *buffer)
 44 2b2d2872 2021-06-20 op {
 45 2b2d2872 2021-06-20 op 	struct vline	*vl;
 46 2b2d2872 2021-06-20 op 
 47 2b2d2872 2021-06-20 op 	if (buffer->current_line == NULL
 48 2b2d2872 2021-06-20 op 	    || (vl = TAILQ_NEXT(buffer->current_line, vlines)) == NULL)
 49 2b2d2872 2021-06-20 op 		return;
 50 2b2d2872 2021-06-20 op 
 51 2b2d2872 2021-06-20 op 	if (++buffer->curs_y > body_lines-1) {
 52 2b2d2872 2021-06-20 op 		buffer->curs_y = body_lines-1;
 53 2b2d2872 2021-06-20 op 		cmd_scroll_line_down(buffer);
 54 2b2d2872 2021-06-20 op 		return;
 55 2b2d2872 2021-06-20 op 	}
 56 2b2d2872 2021-06-20 op 
 57 2b2d2872 2021-06-20 op 	buffer->current_line = vl;
 58 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
 59 2b2d2872 2021-06-20 op }
 60 2b2d2872 2021-06-20 op 
 61 2b2d2872 2021-06-20 op void
 62 2b2d2872 2021-06-20 op cmd_backward_char(struct buffer *buffer)
 63 2b2d2872 2021-06-20 op {
 64 2b2d2872 2021-06-20 op 	if (buffer->cpoff != 0)
 65 2b2d2872 2021-06-20 op 		buffer->cpoff--;
 66 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
 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_forward_char(struct buffer *buffer)
 71 2b2d2872 2021-06-20 op {
 72 2b2d2872 2021-06-20 op 	size_t len = 0;
 73 2b2d2872 2021-06-20 op 
 74 2b2d2872 2021-06-20 op 	if (buffer->current_line->line != NULL)
 75 2b2d2872 2021-06-20 op 		len = utf8_cplen(buffer->current_line->line);
 76 2b2d2872 2021-06-20 op 	if (++buffer->cpoff > len)
 77 2b2d2872 2021-06-20 op 		buffer->cpoff = len;
 78 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
 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_backward_paragraph(struct buffer *buffer)
 83 2b2d2872 2021-06-20 op {
 84 2b2d2872 2021-06-20 op 	do {
 85 2b2d2872 2021-06-20 op 		if (buffer->current_line == NULL ||
 86 2b2d2872 2021-06-20 op 		    buffer->current_line == TAILQ_FIRST(&buffer->head)) {
 87 2b2d2872 2021-06-20 op 			message("No previous paragraph");
 88 2b2d2872 2021-06-20 op 			return;
 89 2b2d2872 2021-06-20 op 		}
 90 2b2d2872 2021-06-20 op 		cmd_previous_line(buffer);
 91 2b2d2872 2021-06-20 op 	} while (buffer->current_line->line != NULL ||
 92 2b2d2872 2021-06-20 op 	    buffer->current_line->parent->type != LINE_TEXT);
 93 2b2d2872 2021-06-20 op }
 94 2b2d2872 2021-06-20 op 
 95 2b2d2872 2021-06-20 op void
 96 2b2d2872 2021-06-20 op cmd_forward_paragraph(struct buffer *buffer)
 97 2b2d2872 2021-06-20 op {
 98 2b2d2872 2021-06-20 op 	do {
 99 2b2d2872 2021-06-20 op 		if (buffer->current_line == NULL ||
100 2b2d2872 2021-06-20 op 		    buffer->current_line == TAILQ_LAST(&buffer->head, vhead)) {
101 2b2d2872 2021-06-20 op 			message("No next paragraph");
102 2b2d2872 2021-06-20 op 			return;
103 2b2d2872 2021-06-20 op 		}
104 2b2d2872 2021-06-20 op 		cmd_next_line(buffer);
105 2b2d2872 2021-06-20 op 	} while (buffer->current_line->line != NULL ||
106 2b2d2872 2021-06-20 op 	    buffer->current_line->parent->type != LINE_TEXT);
107 2b2d2872 2021-06-20 op }
108 2b2d2872 2021-06-20 op 
109 2b2d2872 2021-06-20 op void
110 2b2d2872 2021-06-20 op cmd_move_beginning_of_line(struct buffer *buffer)
111 2b2d2872 2021-06-20 op {
112 2b2d2872 2021-06-20 op 	buffer->cpoff = 0;
113 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
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_end_of_line(struct buffer *buffer)
118 2b2d2872 2021-06-20 op {
119 2b2d2872 2021-06-20 op 	struct vline	*vl;
120 2b2d2872 2021-06-20 op 
121 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
122 2b2d2872 2021-06-20 op 	if (vl->line == NULL)
123 2b2d2872 2021-06-20 op 		return;
124 2b2d2872 2021-06-20 op 	buffer->cpoff = utf8_cplen(vl->line);
125 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
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 2b2d2872 2021-06-20 op 	if (buffer->current_line == NULL)
138 2b2d2872 2021-06-20 op 		return;
139 2b2d2872 2021-06-20 op 
140 28eca2fc 2021-06-20 op 	if (buffer->line_off == 0)
141 2b2d2872 2021-06-20 op 		return;
142 2b2d2872 2021-06-20 op 
143 2b2d2872 2021-06-20 op 	buffer->line_off--;
144 94ec38e8 2021-06-29 op 	buffer->top_line = TAILQ_PREV(buffer->top_line, vhead, vlines);
145 28eca2fc 2021-06-20 op 	buffer->current_line = TAILQ_PREV(buffer->current_line, vhead, vlines);
146 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
147 2b2d2872 2021-06-20 op }
148 2b2d2872 2021-06-20 op 
149 2b2d2872 2021-06-20 op void
150 2b2d2872 2021-06-20 op cmd_scroll_line_down(struct buffer *buffer)
151 2b2d2872 2021-06-20 op {
152 2b2d2872 2021-06-20 op 	struct vline	*vl;
153 2b2d2872 2021-06-20 op 
154 2b2d2872 2021-06-20 op 	if (buffer->current_line == NULL)
155 2b2d2872 2021-06-20 op 		return;
156 2b2d2872 2021-06-20 op 
157 2b2d2872 2021-06-20 op 	if ((vl = TAILQ_NEXT(buffer->current_line, vlines)) == NULL)
158 2b2d2872 2021-06-20 op 		return;
159 2b2d2872 2021-06-20 op 
160 2b2d2872 2021-06-20 op 	buffer->current_line = vl;
161 94ec38e8 2021-06-29 op 
162 94ec38e8 2021-06-29 op 	buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
163 2b2d2872 2021-06-20 op 	buffer->line_off++;
164 94ec38e8 2021-06-29 op 
165 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
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 2b2d2872 2021-06-20 op 	size_t off;
172 2b2d2872 2021-06-20 op 
173 2b2d2872 2021-06-20 op 	off = body_lines-1;
174 2b2d2872 2021-06-20 op 
175 2b2d2872 2021-06-20 op 	for (; off > 0; --off)
176 2b2d2872 2021-06-20 op 		cmd_scroll_line_up(buffer);
177 2b2d2872 2021-06-20 op }
178 2b2d2872 2021-06-20 op 
179 2b2d2872 2021-06-20 op void
180 2b2d2872 2021-06-20 op cmd_scroll_down(struct buffer *buffer)
181 2b2d2872 2021-06-20 op {
182 2b2d2872 2021-06-20 op 	size_t off;
183 2b2d2872 2021-06-20 op 
184 2b2d2872 2021-06-20 op 	off = body_lines-1;
185 2b2d2872 2021-06-20 op 
186 2b2d2872 2021-06-20 op 	for (; off > 0; --off)
187 2b2d2872 2021-06-20 op 		cmd_scroll_line_down(buffer);
188 2b2d2872 2021-06-20 op }
189 2b2d2872 2021-06-20 op 
190 2b2d2872 2021-06-20 op void
191 2b2d2872 2021-06-20 op cmd_beginning_of_buffer(struct buffer *buffer)
192 2b2d2872 2021-06-20 op {
193 2b2d2872 2021-06-20 op 	buffer->current_line = TAILQ_FIRST(&buffer->head);
194 94ec38e8 2021-06-29 op 	buffer->top_line = buffer->current_line;
195 2b2d2872 2021-06-20 op 	buffer->line_off = 0;
196 2b2d2872 2021-06-20 op 	buffer->curs_y = 0;
197 2b2d2872 2021-06-20 op 	buffer->cpoff = 0;
198 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
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_end_of_buffer(struct buffer *buffer)
203 2b2d2872 2021-06-20 op {
204 2b2d2872 2021-06-20 op 	ssize_t off;
205 2b2d2872 2021-06-20 op 
206 2b2d2872 2021-06-20 op 	off = buffer->line_max - body_lines;
207 2b2d2872 2021-06-20 op 	off = MAX(0, off);
208 94ec38e8 2021-06-29 op 
209 94ec38e8 2021-06-29 op 	while (buffer->line_off > (size_t)off) {
210 94ec38e8 2021-06-29 op 		buffer->line_off--;
211 94ec38e8 2021-06-29 op 		buffer->top_line = TAILQ_PREV(buffer->top_line, vhead, vlines);
212 94ec38e8 2021-06-29 op 	}
213 94ec38e8 2021-06-29 op 	while (buffer->line_off < (size_t)off) {
214 94ec38e8 2021-06-29 op 		buffer->line_off++;
215 94ec38e8 2021-06-29 op 		buffer->top_line = TAILQ_NEXT(buffer->top_line, vlines);
216 94ec38e8 2021-06-29 op 	}
217 2b2d2872 2021-06-20 op 
218 2b2d2872 2021-06-20 op 	buffer->line_off = off;
219 4f0158a7 2021-06-20 op 	buffer->curs_y = MIN((size_t)body_lines-1, buffer->line_max-1);
220 2b2d2872 2021-06-20 op 
221 2b2d2872 2021-06-20 op 	buffer->current_line = TAILQ_LAST(&buffer->head, vhead);
222 2b2d2872 2021-06-20 op 	buffer->cpoff = body_cols;
223 2b2d2872 2021-06-20 op 	restore_cursor(buffer);
224 2b2d2872 2021-06-20 op }
225 2b2d2872 2021-06-20 op 
226 2b2d2872 2021-06-20 op void
227 2b2d2872 2021-06-20 op cmd_kill_telescope(struct buffer *buffer)
228 2b2d2872 2021-06-20 op {
229 2b2d2872 2021-06-20 op 	save_session();
230 2b2d2872 2021-06-20 op 	event_loopbreak();
231 2b2d2872 2021-06-20 op }
232 2b2d2872 2021-06-20 op 
233 2b2d2872 2021-06-20 op void
234 2b2d2872 2021-06-20 op cmd_push_button(struct buffer *buffer)
235 2b2d2872 2021-06-20 op {
236 2b2d2872 2021-06-20 op 	struct vline	*vl;
237 2b2d2872 2021-06-20 op 
238 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
239 2b2d2872 2021-06-20 op 	if (vl->parent->type != LINE_LINK)
240 2b2d2872 2021-06-20 op 		return;
241 2b2d2872 2021-06-20 op 
242 2b2d2872 2021-06-20 op 	load_url_in_tab(current_tab(), vl->parent->alt);
243 2b2d2872 2021-06-20 op }
244 2b2d2872 2021-06-20 op 
245 2b2d2872 2021-06-20 op void
246 2b2d2872 2021-06-20 op cmd_push_button_new_tab(struct buffer *buffer)
247 2b2d2872 2021-06-20 op {
248 2b2d2872 2021-06-20 op 	struct vline	*vl;
249 2b2d2872 2021-06-20 op 
250 2b2d2872 2021-06-20 op 	vl = buffer->current_line;
251 2b2d2872 2021-06-20 op 	if (vl->parent->type != LINE_LINK)
252 2b2d2872 2021-06-20 op 		return;
253 2b2d2872 2021-06-20 op 
254 2b2d2872 2021-06-20 op 	new_tab(vl->parent->alt);
255 2b2d2872 2021-06-20 op }
256 2b2d2872 2021-06-20 op 
257 2b2d2872 2021-06-20 op void
258 2b2d2872 2021-06-20 op cmd_previous_button(struct buffer *buffer)
259 2b2d2872 2021-06-20 op {
260 5d0feb4b 2021-06-23 op 	struct excursion place;
261 5d0feb4b 2021-06-23 op 
262 5d0feb4b 2021-06-23 op 	save_excursion(&place, buffer);
263 5d0feb4b 2021-06-23 op 
264 2b2d2872 2021-06-20 op 	do {
265 2b2d2872 2021-06-20 op 		if (buffer->current_line == NULL ||
266 2b2d2872 2021-06-20 op 		    buffer->current_line == TAILQ_FIRST(&buffer->head)) {
267 5d0feb4b 2021-06-23 op 			restore_excursion(&place, buffer);
268 2b2d2872 2021-06-20 op 			message("No previous link");
269 2b2d2872 2021-06-20 op 			return;
270 2b2d2872 2021-06-20 op 		}
271 2b2d2872 2021-06-20 op 		cmd_previous_line(buffer);
272 2b2d2872 2021-06-20 op 	} while (buffer->current_line->parent->type != LINE_LINK);
273 2b2d2872 2021-06-20 op }
274 2b2d2872 2021-06-20 op 
275 2b2d2872 2021-06-20 op void
276 2b2d2872 2021-06-20 op cmd_next_button(struct buffer *buffer)
277 2b2d2872 2021-06-20 op {
278 5d0feb4b 2021-06-23 op 	struct excursion place;
279 5d0feb4b 2021-06-23 op 
280 5d0feb4b 2021-06-23 op 	save_excursion(&place, buffer);
281 5d0feb4b 2021-06-23 op 
282 2b2d2872 2021-06-20 op 	do {
283 2b2d2872 2021-06-20 op 		if (buffer->current_line == NULL ||
284 2b2d2872 2021-06-20 op 		    buffer->current_line == TAILQ_LAST(&buffer->head, vhead)) {
285 5d0feb4b 2021-06-23 op 			restore_excursion(&place, buffer);
286 2b2d2872 2021-06-20 op 			message("No next link");
287 2b2d2872 2021-06-20 op 			return;
288 2b2d2872 2021-06-20 op 		}
289 2b2d2872 2021-06-20 op 		cmd_next_line(buffer);
290 2b2d2872 2021-06-20 op 	} while (buffer->current_line->parent->type != LINE_LINK);
291 1c412d48 2021-06-25 op }
292 1c412d48 2021-06-25 op 
293 1c412d48 2021-06-25 op static inline int
294 1c412d48 2021-06-25 op is_heading(const struct line *l)
295 1c412d48 2021-06-25 op {
296 1c412d48 2021-06-25 op 	return l->type == LINE_TITLE_1 ||
297 1c412d48 2021-06-25 op 		l->type == LINE_TITLE_2 ||
298 1c412d48 2021-06-25 op 		l->type == LINE_TITLE_3;
299 1c412d48 2021-06-25 op }
300 1c412d48 2021-06-25 op 
301 1c412d48 2021-06-25 op void
302 1c412d48 2021-06-25 op cmd_previous_heading(struct buffer *buffer)
303 1c412d48 2021-06-25 op {
304 1c412d48 2021-06-25 op 	struct excursion place;
305 1c412d48 2021-06-25 op 
306 1c412d48 2021-06-25 op 	save_excursion(&place, buffer);
307 1c412d48 2021-06-25 op 
308 1c412d48 2021-06-25 op 	do {
309 1c412d48 2021-06-25 op 		if (buffer->current_line == NULL ||
310 1c412d48 2021-06-25 op 		    buffer->current_line == TAILQ_FIRST(&buffer->head)) {
311 1c412d48 2021-06-25 op 			restore_excursion(&place, buffer);
312 1c412d48 2021-06-25 op 			message("No previous heading");
313 1c412d48 2021-06-25 op 			return;
314 1c412d48 2021-06-25 op 		}
315 1c412d48 2021-06-25 op 		cmd_previous_line(buffer);
316 1c412d48 2021-06-25 op 	} while (!is_heading(buffer->current_line->parent));
317 2b2d2872 2021-06-20 op }
318 2b2d2872 2021-06-20 op 
319 2b2d2872 2021-06-20 op void
320 1c412d48 2021-06-25 op cmd_next_heading(struct buffer *buffer)
321 1c412d48 2021-06-25 op {
322 1c412d48 2021-06-25 op 	struct excursion place;
323 1c412d48 2021-06-25 op 
324 1c412d48 2021-06-25 op 	save_excursion(&place, buffer);
325 1c412d48 2021-06-25 op 
326 1c412d48 2021-06-25 op 	do {
327 1c412d48 2021-06-25 op 		if (buffer->current_line == NULL ||
328 1c412d48 2021-06-25 op 		    buffer->current_line == TAILQ_LAST(&buffer->head, vhead)) {
329 1c412d48 2021-06-25 op 			restore_excursion(&place, buffer);
330 1c412d48 2021-06-25 op 			message("No next heading");
331 1c412d48 2021-06-25 op 			return;
332 1c412d48 2021-06-25 op 		}
333 1c412d48 2021-06-25 op 		cmd_next_line(buffer);
334 1c412d48 2021-06-25 op 	} while (!is_heading(buffer->current_line->parent));
335 1c412d48 2021-06-25 op }
336 1c412d48 2021-06-25 op 
337 1c412d48 2021-06-25 op void
338 2b2d2872 2021-06-20 op cmd_previous_page(struct buffer *buffer)
339 2b2d2872 2021-06-20 op {
340 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
341 2b2d2872 2021-06-20 op 
342 2b2d2872 2021-06-20 op 	if (!load_previous_page(tab))
343 2b2d2872 2021-06-20 op 		message("No previous page");
344 2b2d2872 2021-06-20 op 	else
345 2b2d2872 2021-06-20 op 		start_loading_anim(tab);
346 2b2d2872 2021-06-20 op }
347 2b2d2872 2021-06-20 op 
348 2b2d2872 2021-06-20 op void
349 2b2d2872 2021-06-20 op cmd_next_page(struct buffer *buffer)
350 2b2d2872 2021-06-20 op {
351 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
352 2b2d2872 2021-06-20 op 
353 2b2d2872 2021-06-20 op 	if (!load_next_page(tab))
354 2b2d2872 2021-06-20 op 		message("No next page");
355 2b2d2872 2021-06-20 op 	else
356 2b2d2872 2021-06-20 op 		start_loading_anim(tab);
357 2b2d2872 2021-06-20 op }
358 2b2d2872 2021-06-20 op 
359 2b2d2872 2021-06-20 op void
360 2b2d2872 2021-06-20 op cmd_clear_minibuf(struct buffer *buffer)
361 2b2d2872 2021-06-20 op {
362 2b2d2872 2021-06-20 op         message(NULL);
363 2b2d2872 2021-06-20 op }
364 2b2d2872 2021-06-20 op 
365 2b2d2872 2021-06-20 op void
366 2b2d2872 2021-06-20 op cmd_execute_extended_command(struct buffer *buffer)
367 2b2d2872 2021-06-20 op {
368 2b2d2872 2021-06-20 op 	size_t	 len;
369 2b2d2872 2021-06-20 op 
370 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
371 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
372 2b2d2872 2021-06-20 op 		return;
373 2b2d2872 2021-06-20 op 	}
374 2b2d2872 2021-06-20 op 
375 2b2d2872 2021-06-20 op 	enter_minibuffer(eecmd_self_insert, eecmd_select, exit_minibuffer,
376 2b2d2872 2021-06-20 op 	    &eecmd_history);
377 2b2d2872 2021-06-20 op 
378 2b2d2872 2021-06-20 op 	len = sizeof(ministate.prompt);
379 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "", len);
380 2b2d2872 2021-06-20 op 
381 2b2d2872 2021-06-20 op 	if (thiskey.meta)
382 2b2d2872 2021-06-20 op 		strlcat(ministate.prompt, "M-", len);
383 2b2d2872 2021-06-20 op 
384 2b2d2872 2021-06-20 op 	strlcat(ministate.prompt, ui_keyname(thiskey.key), len);
385 2b2d2872 2021-06-20 op 
386 2b2d2872 2021-06-20 op 	if (thiskey.meta)
387 2b2d2872 2021-06-20 op 		strlcat(ministate.prompt, " ", len);
388 2b2d2872 2021-06-20 op }
389 2b2d2872 2021-06-20 op 
390 2b2d2872 2021-06-20 op void
391 2b2d2872 2021-06-20 op cmd_tab_close(struct buffer *buffer)
392 2b2d2872 2021-06-20 op {
393 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
394 2b2d2872 2021-06-20 op 
395 2b2d2872 2021-06-20 op 	tab = current_tab();
396 2b2d2872 2021-06-20 op 	if (TAILQ_PREV(tab, tabshead, tabs) == NULL &&
397 2b2d2872 2021-06-20 op 	    TAILQ_NEXT(tab, tabs) == NULL) {
398 2b2d2872 2021-06-20 op 		message("Can't close the only tab.");
399 2b2d2872 2021-06-20 op 		return;
400 2b2d2872 2021-06-20 op 	}
401 2b2d2872 2021-06-20 op 
402 2b2d2872 2021-06-20 op 	if (evtimer_pending(&tab->loadingev, NULL))
403 2b2d2872 2021-06-20 op 		evtimer_del(&tab->loadingev);
404 2b2d2872 2021-06-20 op 
405 2b2d2872 2021-06-20 op 	stop_tab(tab);
406 2b2d2872 2021-06-20 op 
407 2b2d2872 2021-06-20 op 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
408 2b2d2872 2021-06-20 op 		t = TAILQ_NEXT(tab, tabs);
409 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
410 2b2d2872 2021-06-20 op 	free(tab);
411 2b2d2872 2021-06-20 op 
412 2b2d2872 2021-06-20 op 	switch_to_tab(t);
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_close_other(struct buffer *buffer)
417 2b2d2872 2021-06-20 op {
418 2b2d2872 2021-06-20 op 	struct tab *t, *i;
419 2b2d2872 2021-06-20 op 
420 2b2d2872 2021-06-20 op 	TAILQ_FOREACH_SAFE(t, &tabshead, tabs, i) {
421 2b2d2872 2021-06-20 op 		if (t->flags & TAB_CURRENT)
422 2b2d2872 2021-06-20 op 			continue;
423 2b2d2872 2021-06-20 op 
424 2b2d2872 2021-06-20 op 		stop_tab(t);
425 2b2d2872 2021-06-20 op 		TAILQ_REMOVE(&tabshead, t, tabs);
426 2b2d2872 2021-06-20 op 		free(t);
427 2b2d2872 2021-06-20 op 	}
428 2b2d2872 2021-06-20 op }
429 2b2d2872 2021-06-20 op 
430 2b2d2872 2021-06-20 op void
431 2b2d2872 2021-06-20 op cmd_tab_new(struct buffer *buffer)
432 2b2d2872 2021-06-20 op {
433 2b2d2872 2021-06-20 op 	const char *url;
434 2b2d2872 2021-06-20 op 
435 2b2d2872 2021-06-20 op 	if ((url = new_tab_url) == NULL)
436 2b2d2872 2021-06-20 op 		url = NEW_TAB_URL;
437 2b2d2872 2021-06-20 op 
438 2b2d2872 2021-06-20 op 	new_tab(url);
439 2b2d2872 2021-06-20 op }
440 2b2d2872 2021-06-20 op 
441 2b2d2872 2021-06-20 op void
442 2b2d2872 2021-06-20 op cmd_tab_next(struct buffer *buffer)
443 2b2d2872 2021-06-20 op {
444 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
445 2b2d2872 2021-06-20 op 
446 2b2d2872 2021-06-20 op 	tab = current_tab();
447 2b2d2872 2021-06-20 op 	tab->flags &= ~TAB_CURRENT;
448 2b2d2872 2021-06-20 op 
449 2b2d2872 2021-06-20 op 	if ((t = TAILQ_NEXT(tab, tabs)) == NULL)
450 2b2d2872 2021-06-20 op 		t = TAILQ_FIRST(&tabshead);
451 2b2d2872 2021-06-20 op 	t->flags |= TAB_CURRENT;
452 2b2d2872 2021-06-20 op 	t->flags &= ~TAB_URGENT;
453 2b2d2872 2021-06-20 op }
454 2b2d2872 2021-06-20 op 
455 2b2d2872 2021-06-20 op void
456 2b2d2872 2021-06-20 op cmd_tab_previous(struct buffer *buffer)
457 2b2d2872 2021-06-20 op {
458 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
459 2b2d2872 2021-06-20 op 
460 2b2d2872 2021-06-20 op 	tab = current_tab();
461 2b2d2872 2021-06-20 op 	tab->flags &= ~TAB_CURRENT;
462 2b2d2872 2021-06-20 op 
463 2b2d2872 2021-06-20 op 	if ((t = TAILQ_PREV(tab, tabshead, tabs)) == NULL)
464 2b2d2872 2021-06-20 op 		t = TAILQ_LAST(&tabshead, tabshead);
465 2b2d2872 2021-06-20 op 	t->flags |= TAB_CURRENT;
466 2b2d2872 2021-06-20 op 	t->flags &= ~TAB_URGENT;
467 2b2d2872 2021-06-20 op }
468 2b2d2872 2021-06-20 op 
469 2b2d2872 2021-06-20 op void
470 2b2d2872 2021-06-20 op cmd_tab_move(struct buffer *buffer)
471 2b2d2872 2021-06-20 op {
472 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
473 2b2d2872 2021-06-20 op 
474 2b2d2872 2021-06-20 op 	tab = current_tab();
475 2b2d2872 2021-06-20 op 	t = TAILQ_NEXT(tab, tabs);
476 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
477 2b2d2872 2021-06-20 op 
478 2b2d2872 2021-06-20 op 	if (t == NULL)
479 2b2d2872 2021-06-20 op 		TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
480 2b2d2872 2021-06-20 op 	else
481 2b2d2872 2021-06-20 op 		TAILQ_INSERT_AFTER(&tabshead, t, tab, tabs);
482 2b2d2872 2021-06-20 op }
483 2b2d2872 2021-06-20 op 
484 2b2d2872 2021-06-20 op void
485 2b2d2872 2021-06-20 op cmd_tab_move_to(struct buffer *buffer)
486 2b2d2872 2021-06-20 op {
487 2b2d2872 2021-06-20 op 	struct tab *tab, *t;
488 2b2d2872 2021-06-20 op 
489 2b2d2872 2021-06-20 op 	tab = current_tab();
490 2b2d2872 2021-06-20 op 	t = TAILQ_PREV(tab, tabshead, tabs);
491 2b2d2872 2021-06-20 op 	TAILQ_REMOVE(&tabshead, tab, tabs);
492 2b2d2872 2021-06-20 op 
493 2b2d2872 2021-06-20 op 	if (t == NULL) {
494 2b2d2872 2021-06-20 op 		if (TAILQ_EMPTY(&tabshead))
495 2b2d2872 2021-06-20 op 			TAILQ_INSERT_HEAD(&tabshead, tab, tabs);
496 2b2d2872 2021-06-20 op 		else
497 2b2d2872 2021-06-20 op 			TAILQ_INSERT_TAIL(&tabshead, tab, tabs);
498 2b2d2872 2021-06-20 op 	} else
499 2b2d2872 2021-06-20 op 		TAILQ_INSERT_BEFORE(t, tab, tabs);
500 2b2d2872 2021-06-20 op }
501 2b2d2872 2021-06-20 op 
502 2b2d2872 2021-06-20 op void
503 2b2d2872 2021-06-20 op cmd_load_url(struct buffer *buffer)
504 2b2d2872 2021-06-20 op {
505 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
506 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
507 2b2d2872 2021-06-20 op 		return;
508 2b2d2872 2021-06-20 op 	}
509 2b2d2872 2021-06-20 op 
510 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, lu_select, exit_minibuffer,
511 2b2d2872 2021-06-20 op 	    &lu_history);
512 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
513 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, "gemini://", sizeof(ministate.buf));
514 2b2d2872 2021-06-20 op 	cmd_move_end_of_line(&ministate.buffer);
515 2b2d2872 2021-06-20 op }
516 2b2d2872 2021-06-20 op 
517 2b2d2872 2021-06-20 op void
518 2b2d2872 2021-06-20 op cmd_load_current_url(struct buffer *buffer)
519 2b2d2872 2021-06-20 op {
520 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
521 2b2d2872 2021-06-20 op 
522 2b2d2872 2021-06-20 op 	if (in_minibuffer) {
523 2b2d2872 2021-06-20 op 		message("We don't have enable-recursive-minibuffers");
524 2b2d2872 2021-06-20 op 		return;
525 2b2d2872 2021-06-20 op 	}
526 2b2d2872 2021-06-20 op 
527 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, lu_select, exit_minibuffer,
528 2b2d2872 2021-06-20 op 	    &lu_history);
529 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Load URL: ", sizeof(ministate.prompt));
530 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
531 2b2d2872 2021-06-20 op 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
532 2b2d2872 2021-06-20 op }
533 2b2d2872 2021-06-20 op 
534 2b2d2872 2021-06-20 op void
535 2b2d2872 2021-06-20 op cmd_bookmark_page(struct buffer *buffer)
536 2b2d2872 2021-06-20 op {
537 2b2d2872 2021-06-20 op 	struct tab *tab = current_tab();
538 2b2d2872 2021-06-20 op 
539 2b2d2872 2021-06-20 op 	enter_minibuffer(lu_self_insert, bp_select, exit_minibuffer, NULL);
540 2b2d2872 2021-06-20 op 	strlcpy(ministate.prompt, "Bookmark URL: ", sizeof(ministate.prompt));
541 2b2d2872 2021-06-20 op 	strlcpy(ministate.buf, tab->hist_cur->h, sizeof(ministate.buf));
542 2b2d2872 2021-06-20 op 	ministate.buffer.cpoff = utf8_cplen(ministate.buf);
543 2b2d2872 2021-06-20 op }
544 2b2d2872 2021-06-20 op 
545 2b2d2872 2021-06-20 op void
546 2b2d2872 2021-06-20 op cmd_list_bookmarks(struct buffer *buffer)
547 2b2d2872 2021-06-20 op {
548 2b2d2872 2021-06-20 op 	load_url_in_tab(current_tab(), "about:bookmarks");
549 2b2d2872 2021-06-20 op }
550 2b2d2872 2021-06-20 op 
551 2b2d2872 2021-06-20 op void
552 2b2d2872 2021-06-20 op cmd_toggle_help(struct buffer *buffer)
553 2b2d2872 2021-06-20 op {
554 2b2d2872 2021-06-20 op 	ui_toggle_side_window();
555 2b2d2872 2021-06-20 op }
556 2b2d2872 2021-06-20 op 
557 2b2d2872 2021-06-20 op void
558 61251035 2021-06-26 op cmd_inc_fill_column(struct buffer *buffer)
559 61251035 2021-06-26 op {
560 61251035 2021-06-26 op 	if (fill_column == INT_MAX)
561 61251035 2021-06-26 op 		return;
562 61251035 2021-06-26 op 
563 61251035 2021-06-26 op 	fill_column += 2;
564 61251035 2021-06-26 op 	message("fill-column: %d", fill_column);
565 61251035 2021-06-26 op 
566 61251035 2021-06-26 op 	ui_schedule_redraw();
567 61251035 2021-06-26 op }
568 61251035 2021-06-26 op 
569 61251035 2021-06-26 op void
570 61251035 2021-06-26 op cmd_dec_fill_column(struct buffer *buffer)
571 61251035 2021-06-26 op {
572 61251035 2021-06-26 op 	if (fill_column == INT_MAX || fill_column < 8)
573 61251035 2021-06-26 op 		return;
574 61251035 2021-06-26 op 
575 61251035 2021-06-26 op 	fill_column -= 2;
576 61251035 2021-06-26 op 	message("fill-column: %d", fill_column);
577 61251035 2021-06-26 op 
578 61251035 2021-06-26 op 	ui_schedule_redraw();
579 61251035 2021-06-26 op }
580 61251035 2021-06-26 op 
581 61251035 2021-06-26 op void
582 2b2d2872 2021-06-20 op cmd_olivetti_mode(struct buffer *buffer)
583 2b2d2872 2021-06-20 op {
584 2b2d2872 2021-06-20 op 	olivetti_mode = !olivetti_mode;
585 2b2d2872 2021-06-20 op 	if (olivetti_mode)
586 2b2d2872 2021-06-20 op 		message("olivetti-mode enabled");
587 2b2d2872 2021-06-20 op 	else
588 2b2d2872 2021-06-20 op 		message("olivetti-mode disabled");
589 2b2d2872 2021-06-20 op 
590 2b2d2872 2021-06-20 op 	ui_schedule_redraw();
591 2b2d2872 2021-06-20 op }
592 2b2d2872 2021-06-20 op 
593 2b2d2872 2021-06-20 op void
594 2b2d2872 2021-06-20 op cmd_mini_delete_char(struct buffer *buffer)
595 2b2d2872 2021-06-20 op {
596 2b2d2872 2021-06-20 op 	char *c, *n;
597 2b2d2872 2021-06-20 op 
598 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
599 2b2d2872 2021-06-20 op 		message("text is read-only");
600 2b2d2872 2021-06-20 op 		return;
601 2b2d2872 2021-06-20 op 	}
602 2b2d2872 2021-06-20 op 
603 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
604 2b2d2872 2021-06-20 op 
605 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
606 2b2d2872 2021-06-20 op 	if (*c == '\0')
607 2b2d2872 2021-06-20 op 		return;
608 2b2d2872 2021-06-20 op 	n = utf8_next_cp(c);
609 2b2d2872 2021-06-20 op 
610 2b2d2872 2021-06-20 op 	memmove(c, n, strlen(n)+1);
611 2b2d2872 2021-06-20 op }
612 2b2d2872 2021-06-20 op 
613 2b2d2872 2021-06-20 op void
614 2b2d2872 2021-06-20 op cmd_mini_delete_backward_char(struct buffer *buffer)
615 2b2d2872 2021-06-20 op {
616 2b2d2872 2021-06-20 op 	char *c, *p, *start;
617 2b2d2872 2021-06-20 op 
618 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
619 2b2d2872 2021-06-20 op 		message("text is read-only");
620 2b2d2872 2021-06-20 op 		return;
621 2b2d2872 2021-06-20 op 	}
622 2b2d2872 2021-06-20 op 
623 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
624 2b2d2872 2021-06-20 op 
625 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
626 2b2d2872 2021-06-20 op 	start = buffer->current_line->line;
627 2b2d2872 2021-06-20 op 	if (c == start)
628 2b2d2872 2021-06-20 op 		return;
629 2b2d2872 2021-06-20 op 	p = utf8_prev_cp(c-1, start);
630 2b2d2872 2021-06-20 op 
631 2b2d2872 2021-06-20 op 	memmove(p, c, strlen(c)+1);
632 2b2d2872 2021-06-20 op 	buffer->cpoff--;
633 2b2d2872 2021-06-20 op }
634 2b2d2872 2021-06-20 op 
635 2b2d2872 2021-06-20 op void
636 2b2d2872 2021-06-20 op cmd_mini_kill_line(struct buffer *buffer)
637 2b2d2872 2021-06-20 op {
638 2b2d2872 2021-06-20 op 	char *c;
639 2b2d2872 2021-06-20 op 
640 2b2d2872 2021-06-20 op 	if (!in_minibuffer) {
641 2b2d2872 2021-06-20 op 		message("text is read-only");
642 2b2d2872 2021-06-20 op 		return;
643 2b2d2872 2021-06-20 op 	}
644 2b2d2872 2021-06-20 op 
645 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
646 2b2d2872 2021-06-20 op 	c = utf8_nth(buffer->current_line->line, buffer->cpoff);
647 2b2d2872 2021-06-20 op 	*c = '\0';
648 2b2d2872 2021-06-20 op }
649 2b2d2872 2021-06-20 op 
650 2b2d2872 2021-06-20 op void
651 2b2d2872 2021-06-20 op cmd_mini_abort(struct buffer *buffer)
652 2b2d2872 2021-06-20 op {
653 2b2d2872 2021-06-20 op 	if (!in_minibuffer)
654 2b2d2872 2021-06-20 op 		return;
655 2b2d2872 2021-06-20 op 
656 2b2d2872 2021-06-20 op 	ministate.abortfn();
657 2b2d2872 2021-06-20 op }
658 2b2d2872 2021-06-20 op 
659 2b2d2872 2021-06-20 op void
660 2b2d2872 2021-06-20 op cmd_mini_complete_and_exit(struct buffer *buffer)
661 2b2d2872 2021-06-20 op {
662 2b2d2872 2021-06-20 op 	if (!in_minibuffer)
663 2b2d2872 2021-06-20 op 		return;
664 2b2d2872 2021-06-20 op 
665 2b2d2872 2021-06-20 op 	minibuffer_taint_hist();
666 2b2d2872 2021-06-20 op 	ministate.donefn();
667 2b2d2872 2021-06-20 op }
668 2b2d2872 2021-06-20 op 
669 2b2d2872 2021-06-20 op void
670 2b2d2872 2021-06-20 op cmd_mini_previous_history_element(struct buffer *buffer)
671 2b2d2872 2021-06-20 op {
672 2b2d2872 2021-06-20 op 	if (ministate.history == NULL) {
673 2b2d2872 2021-06-20 op 		message("No history");
674 2b2d2872 2021-06-20 op 		return;
675 2b2d2872 2021-06-20 op 	}
676 2b2d2872 2021-06-20 op 
677 2b2d2872 2021-06-20 op 	if (ministate.hist_cur == NULL ||
678 2b2d2872 2021-06-20 op 	    (ministate.hist_cur = TAILQ_PREV(ministate.hist_cur, mhisthead, entries)) == NULL) {
679 2b2d2872 2021-06-20 op 		ministate.hist_cur = TAILQ_LAST(&ministate.history->head, mhisthead);
680 2b2d2872 2021-06-20 op 		ministate.hist_off = ministate.history->len - 1;
681 2b2d2872 2021-06-20 op 		if (ministate.hist_cur == NULL)
682 2b2d2872 2021-06-20 op 			message("No prev item");
683 2b2d2872 2021-06-20 op 	} else {
684 2b2d2872 2021-06-20 op 		ministate.hist_off--;
685 2b2d2872 2021-06-20 op 	}
686 2b2d2872 2021-06-20 op 
687 2b2d2872 2021-06-20 op 	if (ministate.hist_cur != NULL)
688 2b2d2872 2021-06-20 op 		buffer->current_line->line = ministate.hist_cur->h;
689 2b2d2872 2021-06-20 op }
690 2b2d2872 2021-06-20 op 
691 2b2d2872 2021-06-20 op void
692 2b2d2872 2021-06-20 op cmd_mini_next_history_element(struct buffer *buffer)
693 2b2d2872 2021-06-20 op {
694 2b2d2872 2021-06-20 op 	if (ministate.history == NULL) {
695 2b2d2872 2021-06-20 op 		message("No history");
696 2b2d2872 2021-06-20 op 		return;
697 2b2d2872 2021-06-20 op 	}
698 2b2d2872 2021-06-20 op 
699 2b2d2872 2021-06-20 op 	if (ministate.hist_cur == NULL ||
700 2b2d2872 2021-06-20 op 	    (ministate.hist_cur = TAILQ_NEXT(ministate.hist_cur, entries)) == NULL) {
701 2b2d2872 2021-06-20 op 		ministate.hist_cur = TAILQ_FIRST(&ministate.history->head);
702 2b2d2872 2021-06-20 op 		ministate.hist_off = 0;
703 2b2d2872 2021-06-20 op 		if (ministate.hist_cur == NULL)
704 2b2d2872 2021-06-20 op 			message("No next item");
705 2b2d2872 2021-06-20 op 	} else {
706 2b2d2872 2021-06-20 op 		ministate.hist_off++;
707 2b2d2872 2021-06-20 op 	}
708 2b2d2872 2021-06-20 op 
709 2b2d2872 2021-06-20 op 	if (ministate.hist_cur != NULL)
710 2b2d2872 2021-06-20 op 		buffer->current_line->line = ministate.hist_cur->h;
711 2b2d2872 2021-06-20 op }