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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.179 by root, Tue Dec 20 22:47:14 2005 UTC vs.
Revision 1.247 by root, Sun Jan 22 20:39:47 2006 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*--------------------------------*-C-*--------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */ 31#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 32
32#include <inttypes.h> 33#include <inttypes.h>
33 34
… …
46 47
47/* ------------------------------------------------------------------------- * 48/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 50 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 51#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 52 if (OPTION (Opt_scrollTtyOutput)) \
52 view_start = 0 53 view_start = 0
53#define CLEAR_SELECTION() \ 54#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 57#define CLEAR_ALL_SELECTION() \
… …
114 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
116 117
117/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
118void 119void
119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 120rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120{ 121{
121 if (!l.t) 122 if (!l.t)
122 { 123 {
123 lalloc (l); 124 lalloc (l);
124 col = 0; 125 col = 0;
125 width = ncol; 126 width = ncol;
126 } 127 }
127 128
129 l.touch ();
130
128 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
129 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
130 133
131 text_t *et = l.t + col; 134 text_t *et = l.t + col;
132 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
… …
139} 142}
140 143
141/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
142/* Fill a full line with blanks - make sure it is allocated first */ 145/* Fill a full line with blanks - make sure it is allocated first */
143void 146void
144rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
145{ 148{
146 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
147} 153}
148 154
149/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
152void 159void
153rxvt_term::scr_reset () 160rxvt_term::scr_reset ()
154{ 161{
155 unsigned int p, q;
156 int k;
157
158#if ENABLE_OVERLAY 162#if ENABLE_OVERLAY
159 scr_overlay_off (); 163 scr_overlay_off ();
160#endif 164#endif
161 165
162 view_start = 0; 166 view_start = 0;
… …
169 nrow = 24; 173 nrow = 24;
170 174
171 if (ncol == prev_ncol && nrow == prev_nrow) 175 if (ncol == prev_ncol && nrow == prev_nrow)
172 return; 176 return;
173 177
178 if (current_screen != PRIMARY)
179 scr_swap_screen ();
180
174 // we need at least two lines for wrapping to work correctly 181 // we need at least two lines for wrapping to work correctly
175 if (nrow + saveLines < 2) 182 while (nrow + saveLines < 2)
176 { 183 {
184 //TODO//FIXME
177 saveLines++; 185 saveLines++;
178 prev_nrow--; 186 prev_nrow--;
179 nsaved++; 187 top_row--;
180 } 188 }
181 189
182 want_refresh = 1; 190 want_refresh = 1;
183 191
184 int prev_total_rows = prev_nrow + saveLines; 192 int prev_total_rows = prev_nrow + saveLines;
185 total_rows = nrow + saveLines; 193 total_rows = nrow + saveLines;
186 194
187 screen.tscroll = 0; 195 screen.tscroll = 0;
188 screen.bscroll = nrow - 1; 196 screen.bscroll = nrow - 1;
189 197
190 if (!save) 198 if (!row_buf)
191 { 199 {
192 /* 200 /*
193 * first time called so just malloc everything: don't rely on realloc 201 * first time called so just malloc everything: don't rely on realloc
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */ 202 */
196 nsaved = 0; /* no saved lines */ 203 top_row = 0;
197 term_start = 0; 204 term_start = 0;
198 205
199 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 206 talloc = new rxvt_salloc (ncol * sizeof (text_t));
200 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 207 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
201 208
202 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
203 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 209 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
204 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 210 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 211 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 212
207 for (p = nrow; p--; ) 213 for (int row = nrow; row--; )
208 { 214 {
209 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE); 215 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
210 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 216 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
211 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 217 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
212 } 218 }
213 219
214 memset (charsets, 'B', sizeof (charsets)); 220 memset (charsets, 'B', sizeof (charsets));
215 rstyle = DEFAULT_RSTYLE; 221 rstyle = DEFAULT_RSTYLE;
216 screen.flags = Screen_DefaultFlags; 222 screen.flags = Screen_DefaultFlags;
… …
231 selection.text = NULL; 237 selection.text = NULL;
232 selection.len = 0; 238 selection.len = 0;
233 selection.op = SELECTION_CLEAR; 239 selection.op = SELECTION_CLEAR;
234 selection.screen = PRIMARY; 240 selection.screen = PRIMARY;
235 selection.clicks = 0; 241 selection.clicks = 0;
236 CLEAR_ALL_SELECTION (); 242 rvideo_state = rvideo_mode = false;
237 rvideo = 0;
238 } 243 }
239 else 244 else
240 { 245 {
241 /* 246 /*
242 * add or delete rows as appropriate 247 * add or delete rows as appropriate
243 */ 248 */
244 249
245 rxvt_salloc *old_ta; 250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
246 rxvt_salloc *old_ra; 251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
247 252
253#if 0
248 if (nrow < prev_nrow) 254 if (nrow < prev_nrow)
249 { 255 {
250 /* delete rows */
251 k = min (nsaved, prev_nrow - nrow);
252 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
253 scr_scroll_text (0, (int)prev_nrow - 1, k);
254
255 for (p = nrow; p < prev_nrow; p++) 256 for (int row = nrow; row < prev_nrow; row++)
256 { 257 {
257 lfree (ROW(p));
258 lfree (swap_save[p]); 258 lfree (swap_buf [row]);
259 lfree (drawn[p]); 259 lfree (drawn_buf[row]);
260 } 260 }
261 }
262#endif
261 263
262 /* we have fewer rows so fix up cursor position */ 264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
263 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
264 266
265 scr_reset_realloc (); /* realloc _last_ */ 267 for (int row = min (nrow, prev_nrow); row--; )
268 {
269 lresize (drawn_buf[row]);
270 lresize (swap_buf [row]);
271 }
272
273 for (int row = prev_nrow; row < nrow; row++)
274 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
266 } 281
267 else if (nrow > prev_nrow) 282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row
285
286 if (top_row)
287 {
288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
289 // to come up with a lean and mean algorithm.
290
291 row_col_t ocur = screen.cur;
292 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
293
268 { 294 do
269 /* add rows */
270 scr_reset_realloc (); /* realloc _first_ */
271
272 int ocol = ncol;
273 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
274
275 k = min (nsaved, nrow - prev_nrow);
276
277 for (p = prev_total_rows; p < total_rows; p++)
278 save[p].clear ();
279
280 for (p = prev_total_rows; p < total_rows - k; p++)
281 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
282
283 for (p = prev_nrow; p < nrow; p++)
284 { 295 {
285 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 296 p = MOD (p - 1, prev_total_rows);
286 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
287 }
288
289 if (k > 0)
290 {
291 scr_scroll_text (0, (int)nrow - 1, -k);
292 screen.cur.row += k;
293 screen.s_cur.row += k;
294 nsaved -= k;
295 }
296
297#ifdef DEBUG_STRICT 297#ifdef DEBUG_STRICT
298 assert (screen.cur.row < nrow); 298 assert (old_buf [MOD (p, prev_total_rows)].t);
299#else /* drive with your eyes closed */
300 MIN_IT (screen.cur.row, nrow - 1);
301#endif 299#endif
302 ncol = ocol; // save b/c scr_blank_screen_mem uses this
303 }
304
305 /* resize columns */
306 if (ncol != prev_ncol)
307 {
308 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
309 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
310
311 for (p = total_rows; p--; )
312 lresize (save[p]);
313
314 for (p = nrow; p--; )
315 {
316 lresize (drawn[p]);
317 lresize (swap_save[p]);
318 }
319
320 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
321
322 delete old_ta;
323 delete old_ra;
324 }
325
326#if 0
327 // re-wrap lines, this is rather ugly, possibly because I am too dumb
328 // to come up with a lean and mean algorithm.
329 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
330 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
331
332 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
333 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
334 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
335
336 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D
337
338 p = prev_total_rows;
339 q = total_rows;
340
341 while (p > 0 && q > 0)
342 {
343 --p;
344
345 printf ("pq %d:%d\n", p, q);
346 if (save[p].t)
347 {
348 int llen = save[p].l; 300 int plines = 1;
301 int llen = old_buf [MOD (p, prev_total_rows)].l;
349 302
350 assert (llen >= 0); 303 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
351
352 while (p && save[p - 1].l < 0)
353 { 304 {
305 p = MOD (p - 1, prev_total_rows);
306
354 --p; 307 plines++;
355 llen += prev_ncol; 308 llen += prev_ncol;
356 } 309 }
357 310
358 int qlines = llen / ncol + 1; 311 int qlines = max (0, (llen - 1) / ncol) + 1;
312
313 // drop partial lines completely
314 if (q < qlines)
315 break;
316
317 q -= qlines;
318
359 int lofs = 0; 319 int lofs = 0;
320 line_t *qline;
360 321
361 q -= qlines; 322 // re-assemble the full line by destination lines
362
363 int qrow = q;
364
365 printf ("QL %d llen %d\n", qlines, llen);//D
366 for (; qlines--; qrow++) 323 for (int qrow = q; qlines--; qrow++)
367 { 324 {
325 qline = row_buf + qrow;
326 lalloc (*qline);
327 qline->l = ncol;
328 qline->is_longer (1);
329
330 int qcol = 0;
331
332 // see below for cursor adjustment rationale
368 if (qrow >= 0) 333 if (p == ocur.row)
334 screen.cur.row = q - (total_rows - nrow);
335
336 // fill a single destination line
337 while (lofs < llen && qcol < ncol)
369 { 338 {
370 tp [qrow] = (text_t *)ta->alloc ();
371 rp [qrow] = (rend_t *)ra->alloc ();
372 tl [qrow] = LINE_CONT1;
373
374 int qcol = 0;
375
376 for (;;)
377 {
378 int prow = lofs / prev_ncol + p; 339 int prow = lofs / prev_ncol;
379 int pcol = lofs % prev_ncol; 340 int pcol = lofs % prev_ncol;
380 341
342 prow = MOD (p + prow, prev_total_rows);
343
344 // we only adjust the cursor _row_ and put it into
345 // the topmost line of "long line" it was in, as
346 // this seems to upset applications/shells/readline
347 // least.
348 if (prow == ocur.row)
349 screen.cur.row = q - (total_rows - nrow);
350
351 line_t &pline = old_buf [prow];
352
381 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 353 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
382 354
383 printf ("q %d lofs %d>%d len %d pq %d:%d p %d:%d q :%d\n", q, llen, lofs, len, prev_ncol, ncol, prow, pcol, qcol);
384
385 if (len <= 0)
386 {
387 tl [qrow] = qcol;
388
389 TODO
390 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
391 ncol - qcol, DEFAULT_RSTYLE);
392
393 break;
394 }
395
396 assert (lofs < 1000);
397
398 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 355 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
399 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 356 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
400 357
401 lofs += len; 358 lofs += len;
402 qcol += len; 359 qcol += len;
403
404 if (qcol == ncol)
405 break;
406 }
407 } 360 }
408 else
409 lofs += ncol;
410 } 361 }
362
363 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
364 qline->is_longer (0);
365 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
411 } 366 }
367 while (p != pend && q > 0);
368
369 term_start = total_rows - nrow;
370 top_row = q - term_start;
371
372 // make sure all terminal lines exist
373 while (top_row > 0)
374 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
375 }
376 else
412 } 377 {
378 // if no scrollback exists (yet), wing, instead of wrap
379
380 for (int row = min (nrow, prev_nrow); row--; )
381 {
382 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
383 line_t &qline = row_buf [row];
413 384
414 free (screen.text); screen.text = tp; 385 qline = pline;
415 free (screen.rend); screen.rend = rp; 386 lresize (qline);
416 free (screen.tlen); screen.tlen = tl; 387 }
417 388
418 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 389 for (int row = prev_nrow; row < nrow; row++)
419#endif 390 {
391 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
392 }
420 393
421 if (tabs) 394 term_start = 0;
395 }
396
397 free (old_buf);
398 delete old_ta;
399 delete old_ra;
400
401 clamp_it (screen.cur.row, 0, nrow - 1);
402 clamp_it (screen.cur.col, 0, ncol - 1);
403
422 free (tabs); 404 free (tabs);
423 } 405 }
406
407 CLEAR_ALL_SELECTION ();
424 408
425 prev_nrow = nrow; 409 prev_nrow = nrow;
426 prev_ncol = ncol; 410 prev_ncol = ncol;
427 411
428 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 412 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
429 413
430 for (p = 0; p < ncol; p++) 414 for (int col = ncol; col--; )
431 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 415 tabs [col] = col % TABSIZE == 0;
416
417 if (current_screen != PRIMARY)
418 scr_swap_screen ();
432 419
433 tt_winch (); 420 tt_winch ();
434}
435 421
436void 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
437rxvt_term::scr_reset_realloc ()
438{
439 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
440 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
441 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
442 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
443} 423}
444 424
445/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
446/* 426/*
447 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
448 */ 428 */
449void 429void
450rxvt_term::scr_release () 430rxvt_term::scr_release () NOTHROW
451{ 431{
432 if (row_buf)
433 {
452 delete talloc; talloc = 0; 434 delete talloc; talloc = 0;
453 delete ralloc; ralloc = 0; 435 delete ralloc; ralloc = 0;
454 436
455 free (save); 437 free (row_buf);
456 free (swap_save); 438 free (swap_buf);
457 free (drawn); 439 free (drawn_buf);
458 free (buf);
459 free (tabs); 440 free (tabs);
441
442 row_buf = 0; // signal that we freed all the arrays
443 }
460} 444}
461 445
462/* ------------------------------------------------------------------------- */ 446/* ------------------------------------------------------------------------- */
463/* 447/*
464 * Hard reset 448 * Hard reset
… …
469 scr_release (); 453 scr_release ();
470 prev_nrow = prev_ncol = 0; 454 prev_nrow = prev_ncol = 0;
471 scr_reset (); 455 scr_reset ();
472 456
473 scr_clear (true); 457 scr_clear (true);
474 scr_refresh (SLOW_REFRESH); 458 scr_refresh ();
475} 459}
476 460
477/* ------------------------------------------------------------------------- * 461/* ------------------------------------------------------------------------- *
478 * PROCESS SCREEN COMMANDS * 462 * PROCESS SCREEN COMMANDS *
479 * ------------------------------------------------------------------------- */ 463 * ------------------------------------------------------------------------- */
… …
481 * Save and Restore cursor 465 * Save and Restore cursor
482 * XTERM_SEQ: Save cursor : ESC 7 466 * XTERM_SEQ: Save cursor : ESC 7
483 * XTERM_SEQ: Restore cursor: ESC 8 467 * XTERM_SEQ: Restore cursor: ESC 8
484 */ 468 */
485void 469void
486rxvt_term::scr_cursor (int mode) 470rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
487{ 471{
488 screen_t *s; 472 screen_t *s;
489 473
490#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 474#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
491 if (current_screen == SECONDARY) 475 if (current_screen == SECONDARY)
… …
515 set_font_style (); 499 set_font_style ();
516 break; 500 break;
517 } 501 }
518 502
519 /* boundary check in case screen size changed between SAVE and RESTORE */ 503 /* boundary check in case screen size changed between SAVE and RESTORE */
520 MIN_IT (s->cur.row, nrow - 1); 504 min_it (s->cur.row, nrow - 1);
521 MIN_IT (s->cur.col, ncol - 1); 505 min_it (s->cur.col, ncol - 1);
522#ifdef DEBUG_STRICT 506#ifdef DEBUG_STRICT
523 assert (s->cur.row >= 0); 507 assert (s->cur.row >= 0);
524 assert (s->cur.col >= 0); 508 assert (s->cur.col >= 0);
525#else /* drive with your eyes closed */
526 MAX_IT (s->cur.row, 0);
527 MAX_IT (s->cur.col, 0);
528#endif 509#endif
510}
511
512void
513rxvt_term::scr_swap_screen ()
514{
515 if (!OPTION (Opt_secondaryScreen))
516 return;
517
518 for (int i = prev_nrow; i--; )
519 ::swap (ROW(i), swap_buf [i]);
520
521 ::swap (screen.cur, swap.cur);
522
523 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
524 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
529} 525}
530 526
531/* ------------------------------------------------------------------------- */ 527/* ------------------------------------------------------------------------- */
532/* 528/*
533 * Swap between primary and secondary screens 529 * Swap between primary and secondary screens
534 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 530 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
535 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 531 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
536 */ 532 */
537int 533void
538rxvt_term::scr_change_screen (int scrn) 534rxvt_term::scr_change_screen (int scrn)
539{ 535{
536 if (scrn == current_screen)
537 return;
538
540 want_refresh = 1; 539 want_refresh = 1;
541 view_start = 0; 540 view_start = 0;
542 541
543 if (current_screen == scrn)
544 return scrn;
545
546 selection_check (2); /* check for boundary cross */ 542 selection_check (2); /* check for boundary cross */
547 543
548 SWAP_IT (scrn, current_screen, int); 544 int i = current_screen; current_screen = scrn; scrn = i;
549
550 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
551 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
552 MAX_IT (screen.cur.row, 0);
553 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
554 MAX_IT (screen.cur.col, 0);
555 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
556 545
557#if NSCREENS 546#if NSCREENS
558 if (options & Opt_secondaryScreen) 547 if (OPTION (Opt_secondaryScreen))
559 { 548 {
560 num_scr = 0; 549 num_scr = 0;
561 550
562 for (int i = nrow; i--; ) 551 scr_swap_screen ();
563 SWAP_IT (ROW(i), swap_save[i], line_t);
564 552
565 SWAP_IT (screen.charset, swap.charset, int16_t); 553 ::swap (screen.charset, swap.charset);
566 SWAP_IT (screen.flags, swap.flags, int); 554 ::swap (screen.flags, swap.flags);
567 screen.flags |= Screen_VisibleCursor; 555 screen.flags |= Screen_VisibleCursor;
568 swap.flags |= Screen_VisibleCursor; 556 swap.flags |= Screen_VisibleCursor;
569 } 557 }
570 else 558 else
571#endif 559#endif
572 if (options & Opt_secondaryScroll) 560 if (OPTION (Opt_secondaryScroll))
573 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 561 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
574
575 return scrn;
576} 562}
577 563
578// clear WrapNext indicator, solidifying position on next line 564// clear WrapNext indicator, solidifying position on next line
579void 565void
580rxvt_term::scr_do_wrap () 566rxvt_term::scr_do_wrap () NOTHROW
581{ 567{
582 if (!(screen.flags & Screen_WrapNext)) 568 if (!(screen.flags & Screen_WrapNext))
583 return; 569 return;
584 570
585 screen.flags &= ~Screen_WrapNext; 571 screen.flags &= ~Screen_WrapNext;
… …
595/* ------------------------------------------------------------------------- */ 581/* ------------------------------------------------------------------------- */
596/* 582/*
597 * Change the colour for following text 583 * Change the colour for following text
598 */ 584 */
599void 585void
600rxvt_term::scr_color (unsigned int color, int fgbg) 586rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
601{ 587{
602 if (color > maxTermCOLOR) 588 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
603 color = fgbg; 589 color = fgbg;
604 590
605 if (fgbg == Color_fg) 591 if (fgbg == Color_fg)
606 rstyle = SET_FGCOLOR (rstyle, color); 592 rstyle = SET_FGCOLOR (rstyle, color);
607 else 593 else
… …
611/* ------------------------------------------------------------------------- */ 597/* ------------------------------------------------------------------------- */
612/* 598/*
613 * Change the rendition style for following text 599 * Change the rendition style for following text
614 */ 600 */
615void 601void
616rxvt_term::scr_rendition (int set, int style) 602rxvt_term::scr_rendition (int set, int style) NOTHROW
617 { 603 {
618 if (set) 604 if (set)
619 rstyle |= style; 605 rstyle |= style;
620 else if (style == ~RS_None) 606 else if (style == ~RS_None)
621 rstyle = DEFAULT_RSTYLE; 607 rstyle = DEFAULT_RSTYLE;
… …
628 * Scroll text between <row1> and <row2> inclusive, by <count> lines 614 * Scroll text between <row1> and <row2> inclusive, by <count> lines
629 * count positive ==> scroll up 615 * count positive ==> scroll up
630 * count negative ==> scroll down 616 * count negative ==> scroll down
631 */ 617 */
632int 618int
633rxvt_term::scr_scroll_text (int row1, int row2, int count) 619rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
634{ 620{
635 if (count == 0 || (row1 > row2)) 621 if (count == 0 || (row1 > row2))
636 return 0; 622 return 0;
637 623
638 want_refresh = 1; 624 want_refresh = 1;
639 num_scr += count; 625 num_scr += count;
640 626
641 if (count > 0 627 if (count > 0
642 && row1 == 0 628 && row1 == 0
643 && row2 == nrow - 1
644 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 629 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
645 { 630 {
646 nsaved = min (nsaved + count, saveLines); 631 top_row = max (top_row - count, -saveLines);
632
633 // scroll everything up 'count' lines
647 term_start = (term_start + count) % total_rows; 634 term_start = (term_start + count) % total_rows;
648 635
636 // sever bottommost line
637 {
638 line_t &l = ROW(row2 - count);
639 l.is_longer (0);
640 l.touch ();
641 }
642
643 // erase newly scrolled-in lines
644 for (int i = count; i--; )
645 {
646 // basically this is a slightly optimized scr_blank_screen_mem
647 // it is worth the effort on slower machines
648 line_t &l = ROW(nrow - 1 - i);
649
650 scr_blank_line (l, 0, l.l, rstyle);
651
652 l.l = 0;
653 l.f = 0;
654 }
655
656 // now copy lines below the scroll region bottom to the
657 // bottom of the screen again, so they look as if they
658 // hadn't moved.
659 for (int i = nrow; --i > row2; )
660 {
661 line_t &l1 = ROW(i - count);
662 line_t &l2 = ROW(i);
663
664 ::swap (l1, l2);
665 l2.touch ();
666 }
667
668 // move and/or clear selection, if any
649 if (selection.op && current_screen == selection.screen) 669 if (selection.op && current_screen == selection.screen)
650 { 670 {
651 selection.beg.row -= count; 671 selection.beg.row -= count;
652 selection.end.row -= count; 672 selection.end.row -= count;
653 selection.mark.row -= count; 673 selection.mark.row -= count;
654 674
655 selection_check (0); 675 if (selection.beg.row < top_row
656 } 676 || selection.end.row < top_row
657 677 || selection.mark.row < top_row)
658 for (int i = count; i--; )
659 scr_blank_screen_mem (ROW(row2 - i), rstyle);
660
661 if ((options & Opt_scrollWithBuffer)
662 && view_start != 0
663 && view_start != saveLines)
664 scr_page (UP, count);
665 }
666 else
667 {
668 if (selection.op && current_screen == selection.screen)
669 {
670 int i = selection.beg.row;
671 int j = selection.end.row;
672
673 if ((i < row1 && j > row1)
674 || (i < row2 && j > row2)
675 || (i - count < row1 && i >= row1)
676 || (i - count > row2 && i <= row2)
677 || (j - count < row1 && j >= row1)
678 || (j - count > row2 && j <= row2))
679 { 678 {
680 CLEAR_ALL_SELECTION (); 679 CLEAR_ALL_SELECTION ();
681 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 680 selection.op = SELECTION_CLEAR;
682 } 681 }
683 else if (j >= row1 && j <= row2) 682 }
683
684 // finally move the view window, if desired
685 if (OPTION (Opt_scrollWithBuffer)
686 && view_start != 0
687 && view_start != -saveLines)
688 scr_page (UP, count);
689
690 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
691 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
692 }
693 else
694 {
695 if (selection.op && current_screen == selection.screen)
696 {
697 if ((selection.beg.row < row1 && selection.end.row > row1)
698 || (selection.beg.row < row2 && selection.end.row > row2)
699 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
700 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
701 || (selection.end.row - count < row1 && selection.end.row >= row1)
702 || (selection.end.row - count > row2 && selection.end.row <= row2))
703 {
704 CLEAR_ALL_SELECTION ();
705 selection.op = SELECTION_CLEAR;
706 }
707 else if (selection.end.row >= row1 && selection.end.row <= row2)
684 { 708 {
685 /* move selected region too */ 709 /* move selected region too */
686 selection.beg.row -= count; 710 selection.beg.row -= count;
687 selection.end.row -= count; 711 selection.end.row -= count;
688 selection.mark.row -= count; 712 selection.mark.row -= count;
… …
694 // use a simple and robust scrolling algorithm, this 718 // use a simple and robust scrolling algorithm, this
695 // part of scr_scroll_text is not time-critical. 719 // part of scr_scroll_text is not time-critical.
696 720
697 int rows = row2 - row1 + 1; 721 int rows = row2 - row1 + 1;
698 722
723 min_it (count, rows);
724
725 line_t *temp_buf = row_buf + total_rows;
726
699 for (int row = 0; row < rows; row++) 727 for (int row = 0; row < rows; row++)
700 { 728 {
701 buf [row] = ROW(row1 + (row + count + rows) % rows); 729 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
702 730
703 if (!IN_RANGE_EXC (row + count, 0, rows)) 731 if (!IN_RANGE_EXC (row + count, 0, rows))
704 scr_blank_screen_mem (buf [row], rstyle); 732 scr_blank_screen_mem (temp_buf [row], rstyle);
705 } 733 }
706 734
707 for (int row = 0; row < rows; row++) 735 for (int row = 0; row < rows; row++)
708 ROW(row1 + row) = buf [row]; 736 ROW(row1 + row) = temp_buf [row];
709 } 737 }
710 738
711 return count; 739 return count;
712} 740}
713 741
714/* ------------------------------------------------------------------------- */ 742/* ------------------------------------------------------------------------- */
715/* 743/*
716 * Add text given in <str> of length <len> to screen struct 744 * Add text given in <str> of length <len> to screen struct
717 */ 745 */
718void 746void
719rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 747rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
720{ 748{
721 if (len <= 0) /* sanity */ 749 if (len <= 0) /* sanity */
722 return; 750 return;
723 751
724 unsigned char checksel; 752 unsigned char checksel;
725 unicode_t c; 753 unicode_t c;
726 int row, last_col; 754 int ncol = this->ncol;
727 const unicode_t *strend = str + len; 755 const wchar_t *strend = str + len;
728 756
729 want_refresh = 1; 757 want_refresh = 1;
730 ZERO_SCROLLBACK (); 758 ZERO_SCROLLBACK ();
731 last_col = ncol;
732 759
733 if (nlines > 0) 760 if (minlines > 0)
734 { 761 {
735 nlines += screen.cur.row - screen.bscroll; 762 minlines += screen.cur.row - screen.bscroll;
763
736 if ((nlines > 0) 764 if (minlines > 0
737 && (screen.tscroll == 0) 765 && screen.tscroll == 0
738 && (screen.bscroll == (nrow - 1))) 766 && screen.bscroll == nrow - 1)
739 { 767 {
740 /* _at least_ this many lines need to be scrolled */ 768 /* _at least_ this many lines need to be scrolled */
741 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 769 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
742 screen.cur.row -= nlines; 770 screen.cur.row -= minlines;
743 } 771 }
744 } 772 }
745 773
746#ifdef DEBUG_STRICT 774#ifdef DEBUG_STRICT
747 assert (screen.cur.col < last_col); 775 assert (screen.cur.col < ncol);
748 assert ((screen.cur.row < nrow) 776 assert (screen.cur.row < nrow
749 && (screen.cur.row >= - (int32_t)nsaved)); 777 && screen.cur.row >= top_row);
750#else /* drive with your eyes closed */
751 MIN_IT (screen.cur.col, last_col - 1);
752 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
753 MAX_IT (screen.cur.row, - (int32_t)nsaved);
754#endif 778#endif
755 row = screen.cur.row; 779 int row = screen.cur.row;
756 780
757 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 781 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
758 782
759 line_t *line = &ROW(row); 783 line_t *line = &ROW(row);
760 784
761 while (str < strend) 785 while (str < strend)
762 { 786 {
763 c = *str++; 787 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
764 788
765 if (c < 0x20) 789 if (c < 0x20)
766 if (c == C0_LF) 790 if (c == C0_LF)
767 { 791 {
768 if (!line->is_longer ()) /* XXX: think about this */
769 MAX_IT (line->l, screen.cur.col); 792 max_it (line->l, screen.cur.col);
770 793
771 screen.flags &= ~Screen_WrapNext; 794 screen.flags &= ~Screen_WrapNext;
772 795
773 if (screen.cur.row == screen.bscroll) 796 if (screen.cur.row == screen.bscroll)
774 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 797 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
… …
778 line = &ROW(row); /* _must_ refresh */ 801 line = &ROW(row); /* _must_ refresh */
779 continue; 802 continue;
780 } 803 }
781 else if (c == C0_CR) 804 else if (c == C0_CR)
782 { 805 {
783 if (!line->is_longer ()) /* XXX: think about this */
784 MAX_IT (line->l, screen.cur.col); 806 max_it (line->l, screen.cur.col);
785 807
786 screen.flags &= ~Screen_WrapNext; 808 screen.flags &= ~Screen_WrapNext;
787 screen.cur.col = 0; 809 screen.cur.col = 0;
788 continue; 810 continue;
789 } 811 }
… …
806 CLEAR_SELECTION (); 828 CLEAR_SELECTION ();
807 } 829 }
808 830
809 if (screen.flags & Screen_WrapNext) 831 if (screen.flags & Screen_WrapNext)
810 { 832 {
811 line->set_is_longer ();
812
813 scr_do_wrap (); 833 scr_do_wrap ();
814 834
835 line->l = ncol;
836 line->is_longer (1);
837
815 row = screen.cur.row; 838 row = screen.cur.row;
816 line = &ROW(row); /* _must_ refresh */ 839 line = &ROW(row); /* _must_ refresh */
817 } 840 }
818 841
819 // some utf-8 decoders "decode" surrogate characters: let's fix this. 842 // some utf-8 decoders "decode" surrogate characters: let's fix this.
… …
824 // do wcwidth before further replacements, as wcwidth might return -1 847 // do wcwidth before further replacements, as wcwidth might return -1
825 // for the line drawing characters below as they might be invalid in the current 848 // for the line drawing characters below as they might be invalid in the current
826 // locale. 849 // locale.
827 int width = c < 0x100 ? 1 : wcwidth (c); 850 int width = c < 0x100 ? 1 : wcwidth (c);
828 851
829 if (charsets[screen.charset] == '0') // DEC SPECIAL 852 if (charsets [screen.charset] == '0') // DEC SPECIAL
830 { 853 {
831 // vt100 special graphics and line drawing 854 // vt100 special graphics and line drawing
832 // 5f-7e standard vt100 855 // 5f-7e standard vt100
833 // 40-5e rxvt extension for extra curses acs chars 856 // 40-5e rxvt extension for extra curses acs chars
834 static uint16_t vt100_0[62] = { // 41 .. 7e 857 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
886 } 909 }
887 910
888 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 911 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
889 912
890 // if the character doesn't fit into the remaining columns... 913 // if the character doesn't fit into the remaining columns...
891 if (screen.cur.col > last_col - width && last_col >= width) 914 if (screen.cur.col > ncol - width && ncol >= width)
892 { 915 {
893 // ...output spaces 916 // ...output spaces
894 c = ' '; 917 c = ' ';
895 // and try the same character next loop iteration 918 // and try the same character next loop iteration
896 --str; 919 --str;
897 } 920 }
898 921
922 line->touch ();
923
899 do 924 do
900 { 925 {
901 line->t[screen.cur.col] = c; 926 line->t[screen.cur.col] = c;
902 line->r[screen.cur.col] = rend; 927 line->r[screen.cur.col] = rend;
903 928
904 if (screen.cur.col < last_col - 1) 929 if (screen.cur.col < ncol - 1)
905 screen.cur.col++; 930 screen.cur.col++;
906 else 931 else
907 { 932 {
908 line->l = last_col; 933 line->l = ncol;
909 if (screen.flags & Screen_Autowrap) 934 if (screen.flags & Screen_Autowrap)
910 screen.flags |= Screen_WrapNext; 935 screen.flags |= Screen_WrapNext;
911 break; 936 break;
912 } 937 }
913 938
… …
915 } 940 }
916 while (--width > 0); 941 while (--width > 0);
917 942
918 // pad with spaces when overwriting wide character with smaller one 943 // pad with spaces when overwriting wide character with smaller one
919 if (!width) 944 if (!width)
945 {
946 line->touch ();
947
920 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 948 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
921 { 949 {
922 line->t[c] = ' '; 950 line->t[c] = ' ';
923 line->r[c] = rend; 951 line->r[c] = rend;
924 } 952 }
953 }
925 } 954 }
926 else // width == 0 955 else // width == 0
927 { 956 {
928#if ENABLE_COMBINING 957#if ENABLE_COMBINING
929 // handle combining characters 958 // handle combining characters
930 // we just tag the accent on the previous on-screen character. 959 // we just tag the accent on the previous on-screen character.
931 // this is arguably not correct, but also arguably not wrong. 960 // this is arguably not correct, but also arguably not wrong.
932 // we don't handle double-width characters nicely yet. 961 // we don't handle double-width characters nicely yet.
962 line_t *linep;
933 text_t *tp; 963 text_t *tp;
934 rend_t *rp; 964 rend_t *rp;
935 965
936 if (screen.cur.col > 0) 966 if (screen.cur.col > 0)
937 { 967 {
968 linep = line;
938 tp = line->t + screen.cur.col - 1; 969 tp = line->t + screen.cur.col - 1;
939 rp = line->r + screen.cur.col - 1; 970 rp = line->r + screen.cur.col - 1;
940
941 while (*tp == NOCHAR && tp > line->t)
942 tp--, rp--;
943 } 971 }
944 else if (screen.cur.row > 0 972 else if (screen.cur.row > 0
945 && ROW(screen.cur.row - 1).is_longer ()) 973 && ROW(screen.cur.row - 1).is_longer ())
946 { 974 {
947 line_t *line = &ROW(screen.cur.row - 1); 975 linep = &ROW(screen.cur.row - 1);
948
949 tp = line->t + last_col - 1; 976 tp = line->t + ncol - 1;
950 rp = line->r + last_col - 1; 977 rp = line->r + ncol - 1;
951
952 while (*tp == NOCHAR && tp > line->t)
953 tp--, rp--;
954 } 978 }
955 else 979 else
956 continue; 980 continue;
981
982 linep->touch ();
983
984 while (*tp == NOCHAR && tp > linep->t)
985 tp--, rp--;
957 986
958 // first try to find a precomposed character 987 // first try to find a precomposed character
959 unicode_t n = rxvt_compose (*tp, c); 988 unicode_t n = rxvt_compose (*tp, c);
960 if (n == NOCHAR) 989 if (n == NOCHAR)
961 n = rxvt_composite.compose (*tp, c); 990 n = rxvt_composite.compose (*tp, c);
… …
964 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 993 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
965#endif 994#endif
966 } 995 }
967 } 996 }
968 997
969 if (!line->is_longer ()) /* XXX: think about this */
970 MAX_IT (line->l, screen.cur.col); 998 max_it (line->l, screen.cur.col);
971 999
972#ifdef DEBUG_STRICT 1000#ifdef DEBUG_STRICT
973 assert (screen.cur.row >= 0); 1001 assert (screen.cur.row >= 0);
974#else /* drive with your eyes closed */
975 MAX_IT (screen.cur.row, 0);
976#endif 1002#endif
977} 1003}
978 1004
979/* ------------------------------------------------------------------------- */ 1005/* ------------------------------------------------------------------------- */
980/* 1006/*
981 * Process Backspace. Move back the cursor back a position, wrap if have to 1007 * Process Backspace. Move back the cursor back a position, wrap if have to
982 * XTERM_SEQ: CTRL-H 1008 * XTERM_SEQ: CTRL-H
983 */ 1009 */
984void 1010void
985rxvt_term::scr_backspace () 1011rxvt_term::scr_backspace () NOTHROW
986{ 1012{
987 want_refresh = 1; 1013 want_refresh = 1;
988 1014
989 if (screen.cur.col == 0) 1015 if (screen.cur.col == 0)
990 { 1016 {
… …
1008 * Process Horizontal Tab 1034 * Process Horizontal Tab
1009 * count: +ve = forward; -ve = backwards 1035 * count: +ve = forward; -ve = backwards
1010 * XTERM_SEQ: CTRL-I 1036 * XTERM_SEQ: CTRL-I
1011 */ 1037 */
1012void 1038void
1013rxvt_term::scr_tab (int count, bool ht) 1039rxvt_term::scr_tab (int count, bool ht) NOTHROW
1014{ 1040{
1015 int i, x; 1041 int i, x;
1016 1042
1017 want_refresh = 1; 1043 want_refresh = 1;
1018 i = x = screen.cur.col; 1044 i = x = screen.cur.col;
1019 1045
1020 if (count == 0) 1046 if (count == 0)
1021 return; 1047 return;
1022 else if (count > 0) 1048 else if (count > 0)
1023 { 1049 {
1024 int row = screen.cur.row;
1025
1026 line_t &l = ROW(row); 1050 line_t &l = ROW(screen.cur.row);
1027 rend_t base_rend = l.r[i]; 1051 rend_t base_rend = l.r[i];
1028 ht &= l.t[i] == ' '; 1052 ht &= l.t[i] == ' ';
1029 1053
1030 for (; ++i < ncol; ) 1054 for (; ++i < ncol; )
1031 if (tabs[i]) 1055 if (tabs[i])
1032 { 1056 {
1033 x = i; 1057 x = i;
1058
1034 if (!--count) 1059 if (!--count)
1035 break; 1060 break;
1036 } 1061 }
1037 else 1062 else
1038 ht &= l.t[i] == ' ' 1063 ht &= l.t[i] == ' '
… …
1041 if (count) 1066 if (count)
1042 x = ncol - 1; 1067 x = ncol - 1;
1043 1068
1044 // store horizontal tab commands as characters inside the text 1069 // store horizontal tab commands as characters inside the text
1045 // buffer so they can be selected and pasted. 1070 // buffer so they can be selected and pasted.
1046 if (ht && options & Opt_pastableTabs) 1071 if (ht && OPTION (Opt_pastableTabs))
1047 { 1072 {
1048 base_rend = SET_FONT (base_rend, 0); 1073 base_rend = SET_FONT (base_rend, 0);
1049 1074
1050 if (!l.is_longer ()) /* XXX: think about this */ 1075 l.touch (x);
1051 MAX_IT (l.l, x);
1052 1076
1053 i = screen.cur.col; 1077 i = screen.cur.col;
1054 1078
1055 l.t[i] = '\t'; 1079 l.t[i] = '\t';
1056 l.r[i] = base_rend; 1080 l.r[i] = base_rend;
… …
1087 * Move cursor left in row. If we're at the left boundary, shift everything 1111 * Move cursor left in row. If we're at the left boundary, shift everything
1088 * in that row right. Clear left column. 1112 * in that row right. Clear left column.
1089 */ 1113 */
1090#if ENABLE_FRILLS 1114#if ENABLE_FRILLS
1091void 1115void
1092rxvt_term::scr_backindex () 1116rxvt_term::scr_backindex () NOTHROW
1093{ 1117{
1094 if (screen.cur.col > 0) 1118 if (screen.cur.col > 0)
1095 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1119 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1096 else 1120 else
1097 scr_insdel_chars (1, INSERT); 1121 scr_insdel_chars (1, INSERT);
… …
1104 * Move cursor right in row. If we're at the right boundary, shift everything 1128 * Move cursor right in row. If we're at the right boundary, shift everything
1105 * in that row left. Clear right column. 1129 * in that row left. Clear right column.
1106 */ 1130 */
1107#if ENABLE_FRILLS 1131#if ENABLE_FRILLS
1108void 1132void
1109rxvt_term::scr_forwardindex () 1133rxvt_term::scr_forwardindex () NOTHROW
1110{ 1134{
1111 int row;
1112
1113 if (screen.cur.col < ncol - 1) 1135 if (screen.cur.col < ncol - 1)
1114 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1136 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1115 else 1137 else
1116 { 1138 {
1117 row = screen.cur.row; 1139 line_t &l = ROW(screen.cur.row);
1118 1140
1119 if (ROW(row).is_longer ()) //TODO//FIXME//LEN 1141 l.touch ();
1120 ROW(row).l = ncol; 1142 l.is_longer (0);
1121 1143
1122 scr_gotorc (0, 0, R_RELATIVE); 1144 scr_gotorc (0, 0, R_RELATIVE);
1123 scr_insdel_chars (1, DELETE); 1145 scr_insdel_chars (1, DELETE);
1124 scr_gotorc (0, ncol - 1, R_RELATIVE); 1146 scr_gotorc (0, ncol - 1, R_RELATIVE);
1125 } 1147 }
… …
1129/* ------------------------------------------------------------------------- */ 1151/* ------------------------------------------------------------------------- */
1130/* 1152/*
1131 * Goto Row/Column 1153 * Goto Row/Column
1132 */ 1154 */
1133void 1155void
1134rxvt_term::scr_gotorc (int row, int col, int relative) 1156rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1135{ 1157{
1136 want_refresh = 1; 1158 want_refresh = 1;
1137 ZERO_SCROLLBACK (); 1159 ZERO_SCROLLBACK ();
1138 1160
1139 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1161 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1140 MAX_IT (screen.cur.col, 0); 1162 clamp_it (screen.cur.col, 0, ncol - 1);
1141 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1142 1163
1143 screen.flags &= ~Screen_WrapNext; 1164 screen.flags &= ~Screen_WrapNext;
1144 1165
1145 if (relative & R_RELATIVE) 1166 if (relative & R_RELATIVE)
1146 { 1167 {
… …
1164 else 1185 else
1165 { 1186 {
1166 if (screen.flags & Screen_Relative) 1187 if (screen.flags & Screen_Relative)
1167 { /* relative origin mode */ 1188 { /* relative origin mode */
1168 screen.cur.row = row + screen.tscroll; 1189 screen.cur.row = row + screen.tscroll;
1169 MIN_IT (screen.cur.row, screen.bscroll); 1190 min_it (screen.cur.row, screen.bscroll);
1170 } 1191 }
1171 else 1192 else
1172 screen.cur.row = row; 1193 screen.cur.row = row;
1173 } 1194 }
1174 1195
1175 MAX_IT (screen.cur.row, 0); 1196 clamp_it (screen.cur.row, 0, nrow - 1);
1176 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1177} 1197}
1178 1198
1179/* ------------------------------------------------------------------------- */ 1199/* ------------------------------------------------------------------------- */
1180/* 1200/*
1181 * direction should be UP or DN 1201 * direction should be UP or DN
1182 */ 1202 */
1183void 1203void
1184rxvt_term::scr_index (enum page_dirn direction) 1204rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1185{ 1205{
1186 int dirn; 1206 int dirn;
1187 1207
1188 want_refresh = 1; 1208 want_refresh = 1;
1189 ZERO_SCROLLBACK (); 1209 ZERO_SCROLLBACK ();
… …
1196 || (screen.cur.row == screen.tscroll && direction == DN)) 1216 || (screen.cur.row == screen.tscroll && direction == DN))
1197 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1217 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1198 else 1218 else
1199 screen.cur.row += dirn; 1219 screen.cur.row += dirn;
1200 1220
1201 MAX_IT (screen.cur.row, 0); 1221 clamp_it (screen.cur.row, 0, nrow - 1);
1202 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1203 selection_check (0); 1222 selection_check (0);
1204} 1223}
1205 1224
1206/* ------------------------------------------------------------------------- */ 1225/* ------------------------------------------------------------------------- */
1207/* 1226/*
… …
1209 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1228 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1210 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1229 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1211 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1230 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1212 */ 1231 */
1213void 1232void
1214rxvt_term::scr_erase_line (int mode) 1233rxvt_term::scr_erase_line (int mode) NOTHROW
1215{ 1234{
1216 unsigned int row, col, num; 1235 unsigned int col, num;
1217 1236
1218 want_refresh = 1; 1237 want_refresh = 1;
1219 ZERO_SCROLLBACK (); 1238 ZERO_SCROLLBACK ();
1220 1239
1221 selection_check (1); 1240 selection_check (1);
1222 1241
1223 row = screen.cur.row; 1242 line_t &line = ROW(screen.cur.row);
1243
1244 line.touch ();
1245 line.is_longer (0);
1224 1246
1225 switch (mode) 1247 switch (mode)
1226 { 1248 {
1227 case 0: /* erase to end of line */ 1249 case 0: /* erase to end of line */
1228 col = screen.cur.col; 1250 col = screen.cur.col;
1229 num = ncol - col; 1251 num = ncol - col;
1230 MIN_IT (ROW(row).l, (int16_t)col); 1252 min_it (line.l, col);
1231 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1253 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1232 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1254 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1233 CLEAR_SELECTION (); 1255 CLEAR_SELECTION ();
1234 break; 1256 break;
1235 case 1: /* erase to beginning of line */ 1257 case 1: /* erase to beginning of line */
… …
1240 CLEAR_SELECTION (); 1262 CLEAR_SELECTION ();
1241 break; 1263 break;
1242 case 2: /* erase whole line */ 1264 case 2: /* erase whole line */
1243 col = 0; 1265 col = 0;
1244 num = ncol; 1266 num = ncol;
1245 ROW(row).l = 0; 1267 line.l = 0;
1246 if (selection.beg.row <= screen.cur.row 1268 if (selection.beg.row <= screen.cur.row
1247 && selection.end.row >= screen.cur.row) 1269 && selection.end.row >= screen.cur.row)
1248 CLEAR_SELECTION (); 1270 CLEAR_SELECTION ();
1249 break; 1271 break;
1250 default: 1272 default:
1251 return; 1273 return;
1252 } 1274 }
1253 1275
1254 scr_blank_line (ROW(row), col, num, rstyle); 1276 scr_blank_line (line, col, num, rstyle);
1255} 1277}
1256 1278
1257/* ------------------------------------------------------------------------- */ 1279/* ------------------------------------------------------------------------- */
1258/* 1280/*
1259 * Erase part of whole of the screen 1281 * Erase part of whole of the screen
1260 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1282 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1261 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1283 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1262 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1284 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1263 */ 1285 */
1264void 1286void
1265rxvt_term::scr_erase_screen (int mode) 1287rxvt_term::scr_erase_screen (int mode) NOTHROW
1266{ 1288{
1267 int num; 1289 int num;
1268 int32_t row; 1290 int32_t row;
1269 rend_t ren; 1291 rend_t ren;
1270 XGCValues gcvalue; 1292 XGCValues gcvalue;
… …
1302 CLEAR_SELECTION (); 1324 CLEAR_SELECTION ();
1303 1325
1304 if (row >= nrow) /* Out Of Bounds */ 1326 if (row >= nrow) /* Out Of Bounds */
1305 return; 1327 return;
1306 1328
1307 MIN_IT (num, (nrow - row)); 1329 min_it (num, nrow - row);
1308 1330
1309 if (rstyle & (RS_RVid | RS_Uline)) 1331 if (rstyle & (RS_RVid | RS_Uline))
1310 ren = (rend_t) ~RS_None; 1332 ren = (rend_t) ~RS_None;
1311 else if (GET_BASEBG (rstyle) == Color_bg) 1333 else if (GET_BASEBG (rstyle) == Color_bg)
1312 { 1334 {
… …
1314 CLEAR_ROWS (row, num); 1336 CLEAR_ROWS (row, num);
1315 } 1337 }
1316 else 1338 else
1317 { 1339 {
1318 ren = rstyle & (RS_fgMask | RS_bgMask); 1340 ren = rstyle & (RS_fgMask | RS_bgMask);
1319 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1341 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1320 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1342 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1321 ERASE_ROWS (row, num); 1343 ERASE_ROWS (row, num);
1322 gcvalue.foreground = pix_colors[Color_fg]; 1344 gcvalue.foreground = pix_colors[Color_fg];
1323 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1345 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1324 } 1346 }
1325 1347
1326 for (; num--; row++) 1348 for (; num--; row++)
1327 { 1349 {
1328 scr_blank_screen_mem (ROW (row), rstyle); 1350 scr_blank_screen_mem (ROW(row), rstyle);
1329 ROW (row).l = 0;
1330 scr_blank_line (drawn[row], 0, ncol, ren); 1351 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1331 } 1352 }
1332} 1353}
1333 1354
1334#if ENABLE_FRILLS 1355#if ENABLE_FRILLS
1335void 1356void
1336rxvt_term::scr_erase_savelines () 1357rxvt_term::scr_erase_savelines () NOTHROW
1337{ 1358{
1338 want_refresh = 1; 1359 want_refresh = 1;
1339 ZERO_SCROLLBACK (); 1360 ZERO_SCROLLBACK ();
1340 1361
1341 nsaved = 0; 1362 top_row = 0;
1342} 1363}
1343#endif 1364#endif
1344 1365
1345/* ------------------------------------------------------------------------- */ 1366/* ------------------------------------------------------------------------- */
1346/* 1367/*
1347 * Fill the screen with `E's 1368 * Fill the screen with `E's
1348 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1369 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1349 */ 1370 */
1350void 1371void
1351rxvt_term::scr_E () 1372rxvt_term::scr_E () NOTHROW
1352{ 1373{
1353 rend_t fs; 1374 rend_t fs;
1354 1375
1355 want_refresh = 1; 1376 want_refresh = 1;
1356 ZERO_SCROLLBACK (); 1377 ZERO_SCROLLBACK ();
… …
1367 rend_t *r1 = line.r; 1388 rend_t *r1 = line.r;
1368 1389
1369 for (int j = ncol; j--; ) 1390 for (int j = ncol; j--; )
1370 *r1++ = fs; 1391 *r1++ = fs;
1371 1392
1372 line.l = ncol; /* make the `E's selectable */ 1393 line.is_longer (0);
1394 line.touch (ncol);
1373 } 1395 }
1374} 1396}
1375 1397
1376/* ------------------------------------------------------------------------- */ 1398/* ------------------------------------------------------------------------- */
1377/* 1399/*
1378 * Insert/Delete <count> lines 1400 * Insert/Delete <count> lines
1379 */ 1401 */
1380void 1402void
1381rxvt_term::scr_insdel_lines (int count, int insdel) 1403rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1382{ 1404{
1383 int end; 1405 int end;
1384 1406
1385 ZERO_SCROLLBACK (); 1407 ZERO_SCROLLBACK ();
1386 1408
… …
1406/* ------------------------------------------------------------------------- */ 1428/* ------------------------------------------------------------------------- */
1407/* 1429/*
1408 * Insert/Delete <count> characters from the current position 1430 * Insert/Delete <count> characters from the current position
1409 */ 1431 */
1410void 1432void
1411rxvt_term::scr_insdel_chars (int count, int insdel) 1433rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1412{ 1434{
1413 int col, row; 1435 int col, row;
1414 rend_t tr; 1436 rend_t tr;
1415 1437
1416 want_refresh = 1; 1438 want_refresh = 1;
… …
1420 return; 1442 return;
1421 1443
1422 scr_do_wrap (); 1444 scr_do_wrap ();
1423 1445
1424 selection_check (1); 1446 selection_check (1);
1425 MIN_IT (count, (ncol - screen.cur.col)); 1447 min_it (count, ncol - screen.cur.col);
1426 1448
1427 row = screen.cur.row; 1449 row = screen.cur.row;
1428 1450
1429 line_t *line = &ROW(row); 1451 line_t *line = &ROW(row);
1452
1453 line->touch ();
1454 line->is_longer (0);
1430 1455
1431 switch (insdel) 1456 switch (insdel)
1432 { 1457 {
1433 case INSERT: 1458 case INSERT:
1434 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1459 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1435 { 1460 {
1436 line->t[col] = line->t[col - count]; 1461 line->t[col] = line->t[col - count];
1437 line->r[col] = line->r[col - count]; 1462 line->r[col] = line->r[col - count];
1438 } 1463 }
1439 1464
1440 if (!line->is_longer ()) 1465 line->l = min (line->l + count, ncol);
1441 {
1442 line->l += count;
1443 MIN_IT (line->l, ncol);
1444 }
1445 1466
1446 if (selection.op && current_screen == selection.screen 1467 if (selection.op && current_screen == selection.screen
1447 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1468 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1448 { 1469 {
1449 if (selection.end.row != screen.cur.row 1470 if (selection.end.row != screen.cur.row
… …
1462 1483
1463 case ERASE: 1484 case ERASE:
1464 screen.cur.col += count; /* don't worry if > ncol */ 1485 screen.cur.col += count; /* don't worry if > ncol */
1465 selection_check (1); 1486 selection_check (1);
1466 screen.cur.col -= count; 1487 screen.cur.col -= count;
1488
1489 line->l = max (line->l - count, 0);
1467 scr_blank_line (*line, screen.cur.col, count, rstyle); 1490 scr_blank_line (*line, screen.cur.col, count, rstyle);
1468 break; 1491 break;
1469 1492
1470 case DELETE: 1493 case DELETE:
1471 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1494 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
… …
1474 { 1497 {
1475 line->t[col] = line->t[col + count]; 1498 line->t[col] = line->t[col + count];
1476 line->r[col] = line->r[col + count]; 1499 line->r[col] = line->r[col + count];
1477 } 1500 }
1478 1501
1502 line->l = max (line->l - count, 0);
1479 scr_blank_line (*line, ncol - count, count, tr); 1503 scr_blank_line (*line, ncol - count, count, tr);
1480
1481 if (line->is_longer ()) /* break line continuation */
1482 line->l = ncol;
1483
1484 line->l = max (line->l - count, 0);
1485 1504
1486 if (selection.op && current_screen == selection.screen 1505 if (selection.op && current_screen == selection.screen
1487 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1506 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1488 { 1507 {
1489 if (selection.end.row != screen.cur.row 1508 if (selection.end.row != screen.cur.row
… …
1507/* 1526/*
1508 * Set the scrolling region 1527 * Set the scrolling region
1509 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1528 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1510 */ 1529 */
1511void 1530void
1512rxvt_term::scr_scroll_region (int top, int bot) 1531rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1513{ 1532{
1514 MAX_IT (top, 0); 1533 max_it (top, 0);
1515 MIN_IT (bot, (int)nrow - 1); 1534 min_it (bot, nrow - 1);
1516 1535
1517 if (top > bot) 1536 if (top > bot)
1518 return; 1537 return;
1519 1538
1520 screen.tscroll = top; 1539 screen.tscroll = top;
… …
1527 * Make the cursor visible/invisible 1546 * Make the cursor visible/invisible
1528 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1547 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1529 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1548 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1530 */ 1549 */
1531void 1550void
1532rxvt_term::scr_cursor_visible (int mode) 1551rxvt_term::scr_cursor_visible (int mode) NOTHROW
1533{ 1552{
1534 want_refresh = 1; 1553 want_refresh = 1;
1535 1554
1536 if (mode) 1555 if (mode)
1537 screen.flags |= Screen_VisibleCursor; 1556 screen.flags |= Screen_VisibleCursor;
… …
1544 * Set/unset automatic wrapping 1563 * Set/unset automatic wrapping
1545 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1564 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1546 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1565 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1547 */ 1566 */
1548void 1567void
1549rxvt_term::scr_autowrap (int mode) 1568rxvt_term::scr_autowrap (int mode) NOTHROW
1550{ 1569{
1551 if (mode) 1570 if (mode)
1552 screen.flags |= Screen_Autowrap; 1571 screen.flags |= Screen_Autowrap;
1553 else 1572 else
1554 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1573 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1563 * and the cursor cannot be moved outside. 1582 * and the cursor cannot be moved outside.
1564 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1583 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1565 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1584 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1566 */ 1585 */
1567void 1586void
1568rxvt_term::scr_relative_origin (int mode) 1587rxvt_term::scr_relative_origin (int mode) NOTHROW
1569{ 1588{
1570 if (mode) 1589 if (mode)
1571 screen.flags |= Screen_Relative; 1590 screen.flags |= Screen_Relative;
1572 else 1591 else
1573 screen.flags &= ~Screen_Relative; 1592 screen.flags &= ~Screen_Relative;
… …
1580 * Set insert/replace mode 1599 * Set insert/replace mode
1581 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1600 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1582 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1601 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1583 */ 1602 */
1584void 1603void
1585rxvt_term::scr_insert_mode (int mode) 1604rxvt_term::scr_insert_mode (int mode) NOTHROW
1586{ 1605{
1587 if (mode) 1606 if (mode)
1588 screen.flags |= Screen_Insert; 1607 screen.flags |= Screen_Insert;
1589 else 1608 else
1590 screen.flags &= ~Screen_Insert; 1609 screen.flags &= ~Screen_Insert;
… …
1596 * XTERM_SEQ: Set tab at current column : ESC H 1615 * XTERM_SEQ: Set tab at current column : ESC H
1597 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1616 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1598 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1617 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1599 */ 1618 */
1600void 1619void
1601rxvt_term::scr_set_tab (int mode) 1620rxvt_term::scr_set_tab (int mode) NOTHROW
1602{ 1621{
1603 if (mode < 0) 1622 if (mode < 0)
1604 memset (tabs, 0, ncol * sizeof (char)); 1623 memset (tabs, 0, ncol * sizeof (char));
1605 else if (screen.cur.col < ncol) 1624 else if (screen.cur.col < ncol)
1606 tabs[screen.cur.col] = (mode ? 1 : 0); 1625 tabs [screen.cur.col] = !!mode;
1607} 1626}
1608 1627
1609/* ------------------------------------------------------------------------- */ 1628/* ------------------------------------------------------------------------- */
1610/* 1629/*
1611 * Set reverse/normal video 1630 * Set reverse/normal video
1612 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1631 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1613 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1632 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1614 */ 1633 */
1615void 1634void
1616rxvt_term::scr_rvideo_mode (int mode) 1635rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1617{ 1636{
1618 XGCValues gcvalue; 1637 rvideo_mode = on;
1619 1638
1639#ifndef NO_BELL
1640 on ^= rvideo_bell;
1641#endif
1642
1620 if (rvideo != mode) 1643 if (rvideo_state != on)
1621 { 1644 {
1622 rvideo = mode; 1645 rvideo_state = on;
1646
1623 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1647 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1624#if XPM_BACKGROUND 1648#if XPM_BACKGROUND
1625 if (bgPixmap.pixmap == None) 1649 if (bgPixmap.pixmap == None)
1626#endif 1650#endif
1627#if TRANSPARENT 1651#if TRANSPARENT
1628 if (! (options & Opt_transparent) || am_transparent == 0) 1652 if (!OPTION (Opt_transparent) || am_transparent == 0)
1629#endif 1653#endif
1630 XSetWindowBackground (display->display, vt, 1654 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1631 pix_colors[Color_bg]);
1632 1655
1656 XGCValues gcvalue;
1633 gcvalue.foreground = pix_colors[Color_fg]; 1657 gcvalue.foreground = pix_colors[Color_fg];
1634 gcvalue.background = pix_colors[Color_bg]; 1658 gcvalue.background = pix_colors[Color_bg];
1635 XChangeGC (display->display, gc, GCBackground | GCForeground, 1659 XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1636 &gcvalue); 1660
1637 scr_clear (); 1661 scr_clear ();
1638 scr_touch (true); 1662 scr_touch (true);
1639 } 1663 }
1640} 1664}
1641 1665
… …
1643/* 1667/*
1644 * Report current cursor position 1668 * Report current cursor position
1645 * XTERM_SEQ: Report position: ESC [ 6 n 1669 * XTERM_SEQ: Report position: ESC [ 6 n
1646 */ 1670 */
1647void 1671void
1648rxvt_term::scr_report_position () 1672rxvt_term::scr_report_position () NOTHROW
1649{ 1673{
1650 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1674 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1651} 1675}
1652 1676
1653/* ------------------------------------------------------------------------- * 1677/* ------------------------------------------------------------------------- *
… …
1656 1680
1657/* 1681/*
1658 * Set font style 1682 * Set font style
1659 */ 1683 */
1660void 1684void
1661rxvt_term::set_font_style () 1685rxvt_term::set_font_style () NOTHROW
1662{ 1686{
1687#if 0
1663 switch (charsets[screen.charset]) 1688 switch (charsets [screen.charset])
1664 { 1689 {
1665 case '0': /* DEC Special Character & Line Drawing Set */ 1690 case '0': /* DEC Special Character & Line Drawing Set */
1666 break; 1691 break;
1667 case 'A': /* United Kingdom (UK) */ 1692 case 'A': /* United Kingdom (UK) */
1668 break; 1693 break;
… …
1675 case 'C': /* Finnish character set */ 1700 case 'C': /* Finnish character set */
1676 break; 1701 break;
1677 case 'K': /* German character set */ 1702 case 'K': /* German character set */
1678 break; 1703 break;
1679 } 1704 }
1705#endif
1680} 1706}
1681 1707
1682/* ------------------------------------------------------------------------- */ 1708/* ------------------------------------------------------------------------- */
1683/* 1709/*
1684 * Choose a font 1710 * Choose a font
… …
1686 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1712 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1687 * XTERM_SEQ: Invoke G2 character set: ESC N 1713 * XTERM_SEQ: Invoke G2 character set: ESC N
1688 * XTERM_SEQ: Invoke G3 character set: ESC O 1714 * XTERM_SEQ: Invoke G3 character set: ESC O
1689 */ 1715 */
1690void 1716void
1691rxvt_term::scr_charset_choose (int set) 1717rxvt_term::scr_charset_choose (int set) NOTHROW
1692{ 1718{
1693 screen.charset = set; 1719 screen.charset = set;
1694 set_font_style (); 1720 set_font_style ();
1695} 1721}
1696 1722
… …
1702 * XTERM_SEQ: Set G2 character set: ESC * <C> 1728 * XTERM_SEQ: Set G2 character set: ESC * <C>
1703 * XTERM_SEQ: Set G3 character set: ESC + <C> 1729 * XTERM_SEQ: Set G3 character set: ESC + <C>
1704 * See set_font_style for possible values for <C> 1730 * See set_font_style for possible values for <C>
1705 */ 1731 */
1706void 1732void
1707rxvt_term::scr_charset_set (int set, unsigned int ch) 1733rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1708{ 1734{
1709 charsets[set] = (unsigned char)ch; 1735 charsets[set] = (unsigned char)ch;
1710 set_font_style (); 1736 set_font_style ();
1711} 1737}
1712 1738
… …
1717 1743
1718/* 1744/*
1719 * refresh matching text. 1745 * refresh matching text.
1720 */ 1746 */
1721bool 1747bool
1722rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1748rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1723{ 1749{
1724 bool found = false; 1750 bool found = false;
1725 1751
1726 for (int i = 0; i < nrow; i++) 1752 for (int i = 0; i < nrow; i++)
1727 { 1753 {
1728 int col = 0; 1754 int col = 0;
1729 rend_t *drp = drawn[i].r; 1755 rend_t *drp = drawn_buf[i].r;
1730 1756
1731 for (; col < ncol; col++, drp++) 1757 for (; col < ncol; col++, drp++)
1732 if ((*drp & mask) == value) 1758 if ((*drp & mask) == value)
1733 { 1759 {
1734 found = true; 1760 found = true;
… …
1747 PART_END, 1773 PART_END,
1748 RC_COUNT 1774 RC_COUNT
1749}; 1775};
1750 1776
1751void 1777void
1752rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1778rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1753{ 1779{
1754 int i; 1780 int i;
1755 row_col_t rc[RC_COUNT]; 1781 row_col_t rc[RC_COUNT];
1756 1782
1757 if (!drawn) /* sanity check */ 1783 if (!drawn_buf) /* sanity check */
1758 return; 1784 return;
1759 1785
1760#ifndef NO_SLOW_LINK_SUPPORT 1786#ifndef NO_SLOW_LINK_SUPPORT
1761 if (refresh_type == FAST_REFRESH && !display->is_local) 1787 if (refresh_type == FAST_REFRESH && !display->is_local)
1762 { 1788 {
1763 y = 0; 1789 y = 0;
1764 eheight = height; 1790 eheight = height;
1765 } 1791 }
1766#endif
1767
1768#ifdef DEBUG_STRICT
1769 x = max (x, 0);
1770 x = min (x, (int)width);
1771 y = max (y, 0);
1772 y = min (y, (int)height);
1773#endif 1792#endif
1774 1793
1775 /* round down */ 1794 /* round down */
1776 rc[PART_BEG].col = Pixel2Col (x); 1795 rc[PART_BEG].col = Pixel2Col (x);
1777 rc[PART_BEG].row = Pixel2Row (y); 1796 rc[PART_BEG].row = Pixel2Row (y);
… …
1780 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1799 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1781 1800
1782 /* sanity checks */ 1801 /* sanity checks */
1783 for (i = PART_BEG; i < RC_COUNT; i++) 1802 for (i = PART_BEG; i < RC_COUNT; i++)
1784 { 1803 {
1785 MIN_IT (rc[i].col, ncol - 1); 1804 min_it (rc[i].col, ncol - 1);
1786 MIN_IT (rc[i].row, nrow - 1); 1805 min_it (rc[i].row, nrow - 1);
1787 } 1806 }
1788 1807
1789 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1808 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1790 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1809 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1810
1811 num_scr_allow = 0;
1791 1812
1792 if (refresh) 1813 if (refresh)
1793 scr_refresh (SLOW_REFRESH); 1814 scr_refresh ();
1794} 1815}
1795 1816
1796/* ------------------------------------------------------------------------- */ 1817/* ------------------------------------------------------------------------- */
1797/* 1818/*
1798 * Refresh the entire screen 1819 * Refresh the entire screen
1799 */ 1820 */
1800void 1821void
1801rxvt_term::scr_touch (bool refresh) 1822rxvt_term::scr_touch (bool refresh) NOTHROW
1802{ 1823{
1803 scr_expose (0, 0, width, height, refresh); 1824 scr_expose (0, 0, width, height, refresh);
1804} 1825}
1805 1826
1806/* ------------------------------------------------------------------------- */ 1827/* ------------------------------------------------------------------------- */
1807/* 1828/*
1808 * Move the display so that the line represented by scrollbar value Y is at 1829 * Move the display so that the line represented by scrollbar value Y is at
1809 * the top of the screen 1830 * the top of the screen
1810 */ 1831 */
1811int 1832void
1812rxvt_term::scr_move_to (int y, int len) 1833rxvt_term::scr_move_to (int y, int len) NOTHROW
1813{ 1834{
1814 long p = 0; 1835 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1815 unsigned int oldviewstart;
1816
1817 oldviewstart = view_start;
1818
1819 if (y < len)
1820 {
1821 p = (nrow + nsaved) * (len - y) / len;
1822 p -= (long) (nrow - 1);
1823 p = max (p, 0);
1824 }
1825
1826 view_start = (unsigned int)min (p, nsaved);
1827
1828 return scr_changeview (oldviewstart);
1829} 1836}
1830 1837
1831/* ------------------------------------------------------------------------- */ 1838/* ------------------------------------------------------------------------- */
1832/* 1839/*
1833 * Page the screen up/down nlines 1840 * Page the screen up/down nlines
1834 * direction should be UP or DN 1841 * direction should be UP or DN
1835 */ 1842 */
1836int 1843bool
1837rxvt_term::scr_page (enum page_dirn direction, int nlines) 1844rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1838{ 1845{
1839 int n; 1846 int new_view_start =
1840 unsigned int oldviewstart;
1841
1842 oldviewstart = view_start;
1843
1844 if (direction == UP)
1845 {
1846 n = view_start + nlines;
1847 view_start = min (n, nsaved);
1848 }
1849 else
1850 {
1851 n = view_start - nlines; 1847 direction == UP ? view_start - nlines
1852 view_start = max (n, 0); 1848 : view_start + nlines;
1853 }
1854 1849
1855 return scr_changeview (oldviewstart); 1850 return scr_changeview (new_view_start);
1856} 1851}
1857 1852
1858int 1853bool
1859rxvt_term::scr_changeview (unsigned int oldviewstart) 1854rxvt_term::scr_changeview (int new_view_start) NOTHROW
1860{ 1855{
1856 clamp_it (new_view_start, top_row, 0);
1857
1861 if (view_start != oldviewstart) 1858 if (new_view_start == view_start)
1862 { 1859 return false;
1860
1861 num_scr += new_view_start - view_start;
1862 view_start = new_view_start;
1863 want_refresh = 1; 1863 want_refresh = 1;
1864 num_scr -= (view_start - oldviewstart);
1865 }
1866 1864
1867 return (int) (view_start - oldviewstart); 1865 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1868}
1869 1866
1870/* ------------------------------------------------------------------------- */ 1867 return true;
1868}
1869
1870#ifndef NO_BELL
1871void 1871void
1872rxvt_term::bell_cb (time_watcher &w)
1873{
1874 rvideo_bell = false;
1875 scr_rvideo_mode (rvideo_mode);
1876}
1877#endif
1878
1879/* ------------------------------------------------------------------------- */
1880void
1872rxvt_term::scr_bell () 1881rxvt_term::scr_bell () NOTHROW
1873{ 1882{
1874#ifndef NO_BELL 1883#ifndef NO_BELL
1875 1884
1876# ifndef NO_MAPALERT 1885# ifndef NO_MAPALERT
1877# ifdef MAPALERT_OPTION 1886# ifdef MAPALERT_OPTION
1878 if (options & Opt_mapAlert) 1887 if (OPTION (Opt_mapAlert))
1879# endif 1888# endif
1880 XMapWindow (display->display, parent[0]); 1889 XMapWindow (display->display, parent[0]);
1881# endif 1890# endif
1882 1891
1883 if (options & Opt_visualBell) 1892 if (OPTION (Opt_visualBell))
1884 { 1893 {
1885 scr_rvideo_mode (!rvideo); /* refresh also done */ 1894 rvideo_bell = true;
1886 rxvt_usleep (VISUAL_BELL_DURATION); 1895 scr_rvideo_mode (rvideo_mode);
1887 scr_rvideo_mode (!rvideo); /* refresh also done */ 1896 display->flush ();
1897
1898 bell_ev.start (NOW + VISUAL_BELL_DURATION);
1888 } 1899 }
1889 else 1900 else
1890 XBell (display->display, 0); 1901 XBell (display->display, 0);
1891 1902
1892#endif 1903#endif
1893} 1904}
1894 1905
1895/* ------------------------------------------------------------------------- */ 1906/* ------------------------------------------------------------------------- */
1896/* ARGSUSED */ 1907/* ARGSUSED */
1897void 1908void
1898rxvt_term::scr_printscreen (int fullhist) 1909rxvt_term::scr_printscreen (int fullhist) NOTHROW
1899{ 1910{
1900#ifdef PRINTPIPE 1911#ifdef PRINTPIPE
1901 int nrows, row_start; 1912 int nrows, row_start;
1902 FILE *fd; 1913 FILE *fd;
1903 1914
1904 if ((fd = popen_printer ()) == NULL) 1915 if ((fd = popen_printer ()) == NULL)
1905 return; 1916 return;
1906 1917
1907 if (fullhist) 1918 if (fullhist)
1908 { 1919 {
1909 nrows = nrow + nsaved; 1920 nrows = nrow - top_row;
1910 row_start = -nsaved; 1921 row_start = top_row;
1911 } 1922 }
1912 else 1923 else
1913 { 1924 {
1914 nrows = nrow; 1925 nrows = nrow;
1915 row_start = -view_start; 1926 row_start = view_start;
1916 } 1927 }
1917 1928
1918 wctomb (0, 0); 1929 wctomb (0, 0);
1919 1930
1920 for (int r1 = 0; r1 < nrows; r1++) 1931 for (int r1 = 0; r1 < nrows; r1++)
… …
1952 * Refresh the screen 1963 * Refresh the screen
1953 * drawn_text/drawn_rend contain the screen information before the update. 1964 * drawn_text/drawn_rend contain the screen information before the update.
1954 * screen.text/screen.rend contain what the screen will change to. 1965 * screen.text/screen.rend contain what the screen will change to.
1955 */ 1966 */
1956void 1967void
1957rxvt_term::scr_refresh (unsigned char refresh_type) 1968rxvt_term::scr_refresh () NOTHROW
1958{ 1969{
1959 unsigned char must_clear, /* use draw_string not draw_image_string */ 1970 unsigned char must_clear, /* use draw_string not draw_image_string */
1960 showcursor; /* show the cursor */ 1971 showcursor; /* show the cursor */
1961 int16_t col, row, /* column/row we're processing */ 1972 int16_t col, row, /* column/row we're processing */
1962 ocrow; /* old cursor row */ 1973 ocrow; /* old cursor row */
… …
1979 1990
1980#if XPM_BACKGROUND 1991#if XPM_BACKGROUND
1981 must_clear |= bgPixmap.pixmap != None; 1992 must_clear |= bgPixmap.pixmap != None;
1982#endif 1993#endif
1983#if TRANSPARENT 1994#if TRANSPARENT
1984 must_clear |= (options & Opt_transparent) && am_transparent; 1995 must_clear |= OPTION (Opt_transparent) && am_transparent;
1985#endif 1996#endif
1986 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1997 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1987 1998
1988 /* 1999 /*
1989 * B: reverse any characters which are selected 2000 * B: reverse any characters which are selected
… …
2013 2024
2014 crp = &ROW(screen.cur.row).r[col]; 2025 crp = &ROW(screen.cur.row).r[col];
2015 2026
2016 if (showcursor && focus) 2027 if (showcursor && focus)
2017 { 2028 {
2018 if (options & Opt_cursorUnderline) 2029 if (OPTION (Opt_cursorUnderline))
2019 *crp ^= RS_Uline; 2030 *crp ^= RS_Uline;
2020 else 2031 else
2021 { 2032 {
2022 *crp ^= RS_RVid; 2033 *crp ^= RS_RVid;
2023 2034
… …
2025 cc1 = *crp & (RS_fgMask | RS_bgMask); 2036 cc1 = *crp & (RS_fgMask | RS_bgMask);
2026 if (ISSET_PIXCOLOR (Color_cursor)) 2037 if (ISSET_PIXCOLOR (Color_cursor))
2027 ccol1 = Color_cursor; 2038 ccol1 = Color_cursor;
2028 else 2039 else
2029#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2040#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2030 ccol1 = GET_FGCOLOR (rstyle); 2041 ccol1 = fgcolor_of (rstyle);
2031#else 2042#else
2032 ccol1 = Color_fg; 2043 ccol1 = Color_fg;
2033#endif 2044#endif
2034 if (ISSET_PIXCOLOR (Color_cursor2)) 2045 if (ISSET_PIXCOLOR (Color_cursor2))
2035 ccol2 = Color_cursor2; 2046 ccol2 = Color_cursor2;
2036 else 2047 else
2037#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2048#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2038 ccol2 = GET_BGCOLOR (rstyle); 2049 ccol2 = bgcolor_of (rstyle);
2039#else 2050#else
2040 ccol2 = Color_bg; 2051 ccol2 = Color_bg;
2041#endif 2052#endif
2042 *crp = SET_FGCOLOR (*crp, ccol1); 2053 *crp = SET_FGCOLOR (*crp, ccol1);
2043 *crp = SET_BGCOLOR (*crp, ccol2); 2054 *crp = SET_BGCOLOR (*crp, ccol2);
… …
2048 2059
2049 /* make sure no outline cursor is left around */ 2060 /* make sure no outline cursor is left around */
2050 setoldcursor = 0; 2061 setoldcursor = 0;
2051 if (ocrow != -1) 2062 if (ocrow != -1)
2052 { 2063 {
2053 if (screen.cur.row + view_start != ocrow 2064 if (screen.cur.row - view_start != ocrow
2054 || screen.cur.col != oldcursor.col) 2065 || screen.cur.col != oldcursor.col)
2055 { 2066 {
2056 if (ocrow < nrow 2067 if (ocrow < nrow
2057 && oldcursor.col < ncol) 2068 && oldcursor.col < ncol)
2058 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2069 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2059 2070
2060 if (focus || !showcursor) 2071 if (focus || !showcursor)
2061 oldcursor.row = -1; 2072 oldcursor.row = -1;
2062 else 2073 else
2063 setoldcursor = 1; 2074 setoldcursor = 1;
… …
2066 else if (!focus) 2077 else if (!focus)
2067 setoldcursor = 1; 2078 setoldcursor = 1;
2068 2079
2069 if (setoldcursor) 2080 if (setoldcursor)
2070 { 2081 {
2071 if (screen.cur.row + view_start >= nrow) 2082 if (screen.cur.row - view_start >= nrow)
2072 oldcursor.row = -1; 2083 oldcursor.row = -1;
2073 else 2084 else
2074 { 2085 {
2075 oldcursor.row = screen.cur.row + view_start; 2086 oldcursor.row = screen.cur.row - view_start;
2076 oldcursor.col = screen.cur.col; 2087 oldcursor.col = screen.cur.col;
2077 } 2088 }
2078 } 2089 }
2079 } 2090 }
2080 2091
2092 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2081#if ENABLE_OVERLAY 2093#if ENABLE_OVERLAY
2082 scr_swap_overlay (); 2094 scr_swap_overlay ();
2083#endif 2095#endif
2084 2096
2085#ifndef NO_SLOW_LINK_SUPPORT 2097#ifndef NO_SLOW_LINK_SUPPORT
2086 /* 2098 /*
2087 * D: CopyArea pass - very useful for slower links 2099 * D: CopyArea pass - very useful for slower links
2088 * This has been deliberately kept simple. 2100 * This has been deliberately kept simple.
2089 */ 2101 */
2090 i = num_scr;
2091 if (!display->is_local 2102 if (!display->is_local
2092 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2103 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2093 && abs (num_scr) < nrow && !must_clear) 2104 && abs (num_scr) < nrow && !must_clear)
2094 { 2105 {
2095 int16_t nits; 2106 int16_t nits;
2096 int j; 2107 int j;
2097 int len, wlen; 2108 int len, wlen;
2109 dLocal (int, num_scr);
2098 2110
2099 j = nrow; 2111 j = nrow;
2100 wlen = len = -1; 2112 wlen = len = -1;
2101 row = i > 0 ? 0 : j - 1; 2113 row = i > 0 ? 0 : j - 1;
2102 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2114 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2103 { 2115 {
2104 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2116 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2105 { 2117 {
2106 line_t s = ROW(row - view_start); 2118 line_t s = ROW(view_start + row);
2107 line_t d = drawn[row]; 2119 line_t d = drawn_buf[row];
2108 line_t d2 = drawn[row + i]; 2120 line_t d2 = drawn_buf[row + i];
2109 2121
2110 for (nits = 0, col = ncol; col--; ) 2122 for (nits = 0, col = ncol; col--; )
2111 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2123 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2112 nits--; 2124 nits--;
2113 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2125 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
… …
2131 2143
2132 if (len != -1) 2144 if (len != -1)
2133 { 2145 {
2134 /* also comes here at end if needed because of >= above */ 2146 /* also comes here at end if needed because of >= above */
2135 if (wlen < len) 2147 if (wlen < len)
2136 SWAP_IT (wlen, len, int); 2148 ::swap (wlen, len);
2137 2149
2138 XCopyArea (display->display, vt, vt, 2150 XCopyArea (display->display, vt, vt,
2139 gc, 0, Row2Pixel (len + i), 2151 gc, 0, Row2Pixel (len + i),
2140 (unsigned int)TermWin_TotalWidth (), 2152 (unsigned int)this->width,
2141 (unsigned int)Height2Pixel (wlen - len + 1), 2153 (unsigned int)Height2Pixel (wlen - len + 1),
2142 0, Row2Pixel (len)); 2154 0, Row2Pixel (len));
2143 len = -1; 2155 len = -1;
2144 } 2156 }
2145 } 2157 }
… …
2149 /* 2161 /*
2150 * E: main pass across every character 2162 * E: main pass across every character
2151 */ 2163 */
2152 for (row = 0; row < nrow; row++) 2164 for (row = 0; row < nrow; row++)
2153 { 2165 {
2154 text_t *stp = ROW(row - view_start).t; 2166 text_t *stp = ROW(view_start + row).t;
2155 rend_t *srp = ROW(row - view_start).r; 2167 rend_t *srp = ROW(view_start + row).r;
2156 text_t *dtp = drawn[row].t; 2168 text_t *dtp = drawn_buf[row].t;
2157 rend_t *drp = drawn[row].r; 2169 rend_t *drp = drawn_buf[row].r;
2158 2170
2159 /* 2171 /*
2160 * E2: OK, now the real pass 2172 * E2: OK, now the real pass
2161 */ 2173 */
2162 int ypixel = (int)Row2Pixel (row); 2174 int ypixel = (int)Row2Pixel (row);
… …
2224 count++, i--; 2236 count++, i--;
2225 2237
2226 /* 2238 /*
2227 * Determine the attributes for the string 2239 * Determine the attributes for the string
2228 */ 2240 */
2229 int fore = GET_FGCOLOR (rend); // desired foreground 2241 int fore = fgcolor_of (rend); // desired foreground
2230 int back = GET_BGCOLOR (rend); // desired background 2242 int back = bgcolor_of (rend); // desired background
2231 2243
2232 // only do special processing if any attributes are set, which is rare 2244 // only do special processing if any attributes are set, which is unlikely
2233 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2245 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2234 { 2246 {
2235#if ENABLE_STYLES 2247#if ENABLE_STYLES
2236 // force redraw after "careful" characters to avoid pixel droppings 2248 // force redraw after "careful" characters to avoid pixel droppings
2237 if (srp[col] & RS_Careful && col < ncol - 1 && 0) 2249 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
… …
2273 fore = Color_UL; 2285 fore = Color_UL;
2274#endif 2286#endif
2275 2287
2276 if (invert) 2288 if (invert)
2277 { 2289 {
2278 SWAP_IT (fore, back, int); 2290 ::swap (fore, back);
2279 2291
2280#ifndef NO_BOLD_UNDERLINE_REVERSE 2292#ifndef NO_BOLD_UNDERLINE_REVERSE
2281 if (ISSET_PIXCOLOR (Color_RV)) 2293 if (ISSET_PIXCOLOR (Color_RV))
2282 back = Color_RV; 2294 back = Color_RV;
2283 2295
… …
2348 } /* for (row....) */ 2360 } /* for (row....) */
2349 2361
2350#if ENABLE_OVERLAY 2362#if ENABLE_OVERLAY
2351 scr_swap_overlay (); 2363 scr_swap_overlay ();
2352#endif 2364#endif
2365 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2353 2366
2354 /* 2367 /*
2355 * G: cleanup cursor and display outline cursor if necessary 2368 * G: cleanup cursor and display outline cursor if necessary
2356 */ 2369 */
2357 if (showcursor) 2370 if (showcursor)
2358 { 2371 {
2359 if (focus) 2372 if (focus)
2360 { 2373 {
2361 if (options & Opt_cursorUnderline) 2374 if (OPTION (Opt_cursorUnderline))
2362 *crp ^= RS_Uline; 2375 *crp ^= RS_Uline;
2363 else 2376 else
2364 { 2377 {
2365 *crp ^= RS_RVid; 2378 *crp ^= RS_RVid;
2366#ifndef NO_CURSORCOLOR 2379#ifndef NO_CURSORCOLOR
… …
2375 2388
2376 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2389 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2377 col--; 2390 col--;
2378 2391
2379 while (col + cursorwidth < ncol 2392 while (col + cursorwidth < ncol
2380 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2393 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2381 cursorwidth++; 2394 cursorwidth++;
2382 2395
2383#ifndef NO_CURSORCOLOR 2396#ifndef NO_CURSORCOLOR
2384 if (ISSET_PIXCOLOR (Color_cursor)) 2397 if (ISSET_PIXCOLOR (Color_cursor))
2385 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2398 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
… …
2396 /* 2409 /*
2397 * H: cleanup selection 2410 * H: cleanup selection
2398 */ 2411 */
2399 scr_reverse_selection (); 2412 scr_reverse_selection ();
2400 2413
2401 if (refresh_type & SMOOTH_REFRESH)
2402 XFlush (display->display);
2403
2404 num_scr = 0; 2414 num_scr = 0;
2405 num_scr_allow = 1; 2415 num_scr_allow = 1;
2406} 2416}
2407 2417
2408void 2418void
2409rxvt_term::scr_remap_chars (const line_t &l) 2419rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2410{ 2420{
2411 if (!l.t) 2421 if (!l.t)
2412 return; 2422 return;
2413 2423
2424 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2425
2414 for (int i = ncol; i--; ) 2426 for (int i = ncol; i--; )
2415 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2427 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2416} 2428}
2417 2429
2418void 2430void
2419rxvt_term::scr_remap_chars () 2431rxvt_term::scr_remap_chars () NOTHROW
2420{ 2432{
2421 for (int i = total_rows; i--; ) 2433 for (int i = total_rows; i--; )
2422 scr_remap_chars (save[i]); 2434 scr_remap_chars (row_buf [i]);
2423 2435
2424 for (int i = nrow; i--; ) 2436 for (int i = nrow; i--; )
2425 { 2437 {
2426 scr_remap_chars (drawn[i]); 2438 scr_remap_chars (drawn_buf [i]);
2427 scr_remap_chars (swap_save[i]); 2439 scr_remap_chars (swap_buf [i]);
2428 } 2440 }
2429} 2441}
2430 2442
2431void 2443void
2432rxvt_term::scr_recolour () 2444rxvt_term::scr_recolour () NOTHROW
2433{ 2445{
2434 if (1 2446 if (1
2435#if TRANSPARENT 2447#if TRANSPARENT
2436 && !am_transparent 2448 && !am_transparent
2437#endif 2449#endif
… …
2458 want_refresh = 1; 2470 want_refresh = 1;
2459} 2471}
2460 2472
2461/* ------------------------------------------------------------------------- */ 2473/* ------------------------------------------------------------------------- */
2462void 2474void
2463rxvt_term::scr_clear (bool really) 2475rxvt_term::scr_clear (bool really) NOTHROW
2464{ 2476{
2465 if (!mapped) 2477 if (!mapped)
2466 return; 2478 return;
2467 2479
2468 num_scr_allow = 0; 2480 num_scr_allow = 0;
… …
2470 2482
2471 if (really) 2483 if (really)
2472 XClearWindow (display->display, vt); 2484 XClearWindow (display->display, vt);
2473} 2485}
2474 2486
2475/* ------------------------------------------------------------------------- */
2476void 2487void
2488rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2489{
2490 int view_end = view_start + nrow;
2491 int row, col;
2492
2493 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2494 {
2495 text_t *stp = ROW(row).t;
2496 rend_t *srp = ROW(row).r;
2497
2498 for (col = beg_col; col < end_col; col++)
2499 srp[col] ^= rstyle1;
2500
2501 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2502 srp[col] ^= rstyle2;
2503
2504 if (++col < end_col)
2505 srp[col] ^= rstyle2;
2506 }
2507}
2508
2509void
2510rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2511{
2512 int view_end = view_start + nrow;
2513 int row, col;
2514
2515 if (beg_row >= view_start)
2516 {
2517 col = beg_col;
2518 row = beg_row;
2519 }
2520 else
2521 {
2522 col = 0;
2523 row = view_start;
2524 }
2525
2526 for (; row < min (end_row, view_end); row++, col = 0)
2527 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2528 srp[col] ^= rstyle;
2529
2530 if (row == end_row)
2531 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2532 srp[col] ^= rstyle;
2533}
2534
2535/* ------------------------------------------------------------------------- */
2536void
2477rxvt_term::scr_reverse_selection () 2537rxvt_term::scr_reverse_selection () NOTHROW
2478{ 2538{
2479 if (selection.op 2539 if (selection.op
2480 && current_screen == selection.screen 2540 && current_screen == selection.screen
2481 && selection.end.row >= -view_start) 2541 && selection.end.row >= view_start)
2482 { 2542 {
2483 int view_end = -view_start + nrow;
2484 int row, col;
2485
2486#if ENABLE_FRILLS 2543#if ENABLE_FRILLS
2487 if (selection.rect) 2544 if (selection.rect)
2488 { 2545 scr_xor_rect (selection.beg.row, selection.beg.col,
2489 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2546 selection.end.row, selection.end.col,
2490 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) 2547 RS_RVid, RS_RVid | RS_Uline);
2491 srp[col] ^= RS_RVid;
2492 }
2493 else 2548 else
2494#endif 2549#endif
2495 { 2550 scr_xor_span (selection.beg.row, selection.beg.col,
2496 if (selection.beg.row >= -view_start) 2551 selection.end.row, selection.end.col,
2497 { 2552 RS_RVid);
2498 col = selection.beg.col;
2499 row = selection.beg.row;
2500 }
2501 else
2502 {
2503 col = 0;
2504 row = view_start;
2505 }
2506
2507 for (; row < min (selection.end.row, view_end); row++, col = 0)
2508 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2509 srp[col] ^= RS_RVid;
2510
2511 if (row == selection.end.row)
2512 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2513 srp[col] ^= RS_RVid;
2514 }
2515 } 2553 }
2516} 2554}
2517 2555
2518/* ------------------------------------------------------------------------- */ 2556/* ------------------------------------------------------------------------- */
2519/* 2557/*
2520 * Dump the whole scrollback and screen to the passed filedescriptor. The 2558 * Dump the whole scrollback and screen to the passed filedescriptor. The
2521 * invoking routine must close the fd. 2559 * invoking routine must close the fd.
2522 */ 2560 */
2523#if 0 2561#if 0
2524void 2562void
2525rxvt_term::scr_dump (int fd) 2563rxvt_term::scr_dump (int fd) NOTHROW
2526{ 2564{
2527 int row, wrote; 2565 int row, wrote;
2528 unsigned int width, towrite; 2566 unsigned int width, towrite;
2529 char r1[] = "\n"; 2567 char r1[] = "\n";
2530 2568
2531 for (row = saveLines - nsaved; 2569 for (row = saveLines - nsaved;
2532 row < saveLines + nrow - 1; row++) 2570 row < saveLines + nrow - 1; row++)
2533 { 2571 {
2534 width = save[row].l >= 0 ? save[row].l 2572 width = row_buf[row].l >= 0 ? row_buf[row].l
2535 : ncol; 2573 : ncol;
2536 for (towrite = width; towrite; towrite -= wrote) 2574 for (towrite = width; towrite; towrite -= wrote)
2537 { 2575 {
2538 wrote = write (fd, & (save[row].t[width - towrite]), 2576 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2539 towrite); 2577 towrite);
2540 if (wrote < 0) 2578 if (wrote < 0)
2541 return; /* XXX: death, no report */ 2579 return; /* XXX: death, no report */
2542 } 2580 }
2543 if (save[row].l >= 0) 2581 if (row_buf[row].l >= 0)
2544 if (write (fd, r1, 1) <= 0) 2582 if (write (fd, r1, 1) <= 0)
2545 return; /* XXX: death, no report */ 2583 return; /* XXX: death, no report */
2546 } 2584 }
2547} 2585}
2548#endif 2586#endif
2549 2587
2550/* ------------------------------------------------------------------------- * 2588/* ------------------------------------------------------------------------- *
2551 * CHARACTER SELECTION * 2589 * CHARACTER SELECTION *
2552 * ------------------------------------------------------------------------- */ 2590 * ------------------------------------------------------------------------- */
2553void 2591void
2554rxvt_term::selection_check (int check_more) 2592rxvt_term::selection_check (int check_more) NOTHROW
2555{ 2593{
2556 row_col_t pos; 2594 row_col_t pos;
2557 2595
2558 if (!selection.op) 2596 if (!selection.op)
2559 return; 2597 return;
2560 2598
2561 pos.row = pos.col = 0; 2599 pos.row = pos.col = 0;
2562 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2600 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2563 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2601 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2564 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2602 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2565 || (check_more == 1 2603 || (check_more == 1
2566 && current_screen == selection.screen 2604 && current_screen == selection.screen
2567 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2605 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2568 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2606 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2569 || (check_more == 2 2607 || (check_more == 2
… …
2580/* ------------------------------------------------------------------------- */ 2618/* ------------------------------------------------------------------------- */
2581/* 2619/*
2582 * Paste a selection direct to the command fd 2620 * Paste a selection direct to the command fd
2583 */ 2621 */
2584void 2622void
2585rxvt_term::paste (unsigned char *data, unsigned int len) 2623rxvt_term::paste (char *data, unsigned int len) NOTHROW
2586{ 2624{
2587 /* convert normal newline chars into common keyboard Return key sequence */ 2625 /* convert normal newline chars into common keyboard Return key sequence */
2588 for (unsigned int i = 0; i < len; i++) 2626 for (unsigned int i = 0; i < len; i++)
2589 if (data[i] == C0_LF) 2627 if (data[i] == C0_LF)
2590 data[i] = C0_CR; 2628 data[i] = C0_CR;
… …
2596/* 2634/*
2597 * Respond to a notification that a primary selection has been sent 2635 * Respond to a notification that a primary selection has been sent
2598 * EXT: SelectionNotify 2636 * EXT: SelectionNotify
2599 */ 2637 */
2600void 2638void
2601rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) 2639rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2602{ 2640{
2603 if (prop == None) /* check for failed XConvertSelection */ 2641 if (prop == None) /* check for failed XConvertSelection */
2604 { 2642 {
2605 if ((selection_type & Sel_CompoundText)) 2643 if ((selection_type & Sel_CompoundText))
2606 { 2644 {
… …
2734 { 2772 {
2735 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2773 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2736 char *s = rxvt_wcstombs (w); 2774 char *s = rxvt_wcstombs (w);
2737 free (w); 2775 free (w);
2738 // TODO: strlen == only the first element will be converted. well... 2776 // TODO: strlen == only the first element will be converted. well...
2739 paste ((unsigned char *)s, strlen (s)); 2777 paste (s, strlen (s));
2740 free (s); 2778 free (s);
2741 } 2779 }
2742 else 2780 else
2743#endif 2781#endif
2744 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2782 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2745 && cl) 2783 && cl)
2746 { 2784 {
2747 for (int i = 0; i < cr; i++) 2785 for (int i = 0; i < cr; i++)
2748 paste ((unsigned char *)cl[i], strlen (cl[i])); 2786 paste (cl[i], strlen (cl[i]));
2749 2787
2750 XFreeStringList (cl); 2788 XFreeStringList (cl);
2751 } 2789 }
2752 else 2790 else
2753 paste (ct.value, ct.nitems); // paste raw 2791 paste ((char *)ct.value, ct.nitems); // paste raw
2754 2792
2755bailout: 2793bailout:
2756 XFree (ct.value); 2794 XFree (ct.value);
2757 2795
2758 if (selection_wait == Sel_normal) 2796 if (selection_wait == Sel_normal)
2759 selection_wait = Sel_none; 2797 selection_wait = Sel_none;
2760} 2798}
2761 2799
2762void 2800void
2763rxvt_term::incr_cb (time_watcher &w) 2801rxvt_term::incr_cb (time_watcher &w) NOTHROW
2764{ 2802{
2765 selection_wait = Sel_none; 2803 selection_wait = Sel_none;
2766 2804
2767 incr_buf_size = 0; 2805 incr_buf_size = 0;
2768 free (incr_buf); 2806 free (incr_buf);
2769 2807
2770 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); 2808 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2771} 2809}
2772 2810
2773void 2811void
2774rxvt_term::selection_property (Window win, Atom prop) 2812rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2775{ 2813{
2776 if (prop == None || selection_wait != Sel_incr) 2814 if (prop == None || selection_wait != Sel_incr)
2777 return; 2815 return;
2778 2816
2779 selection_paste (win, prop, true); 2817 selection_paste (win, prop, true);
… …
2788 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2826 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2789 * will auto fallback to CUT_BUFFER0 2827 * will auto fallback to CUT_BUFFER0
2790 * EXT: button 2 release 2828 * EXT: button 2 release
2791 */ 2829 */
2792void 2830void
2793rxvt_term::selection_request (Time tm, int x, int y) 2831rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2794{ 2832{
2795 if (x < 0 || x >= width || y < 0 || y >= height) 2833 if (selection.text && selnum == Sel_Primary)
2796 return; /* outside window */
2797
2798 if (selection.text)
2799 { /* internal selection */ 2834 { /* internal selection */
2800 char *str = rxvt_wcstombs (selection.text, selection.len); 2835 char *str = rxvt_wcstombs (selection.text, selection.len);
2801 paste ((unsigned char *)str, strlen (str)); 2836 paste (str, strlen (str));
2802 free (str); 2837 free (str);
2803 return; 2838 return;
2804 } 2839 }
2805 else 2840 else
2806 { 2841 {
2807 int i;
2808
2809 selection_request_time = tm; 2842 selection_request_time = tm;
2810 selection_wait = Sel_normal; 2843 selection_wait = Sel_normal;
2811 2844
2812 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2813 {
2814#if X_HAVE_UTF8_STRING 2845#if X_HAVE_UTF8_STRING
2815 selection_type = Sel_UTF8String; 2846 selection_type = Sel_UTF8String;
2816 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2847 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2817 return; 2848 return;
2818#else 2849#else
2819 selection_type = Sel_CompoundText; 2850 selection_type = Sel_CompoundText;
2820 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2851 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2821 return; 2852 return;
2822#endif 2853#endif
2823 }
2824 } 2854 }
2825 2855
2826 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2856 selection_wait = Sel_none; /* don't loop in selection_paste () */
2827 selection_paste (display->root, XA_CUT_BUFFER0, false); 2857 selection_paste (display->root, XA_CUT_BUFFER0, false);
2828} 2858}
2829 2859
2830int 2860int
2831rxvt_term::selection_request_other (Atom target, int selnum) 2861rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2832{ 2862{
2833 Atom sel; 2863 Atom sel;
2834 2864
2835 selection_type |= selnum; 2865 selection_type |= selnum;
2836 2866
… …
2855/* 2885/*
2856 * Clear all selected text 2886 * Clear all selected text
2857 * EXT: SelectionClear 2887 * EXT: SelectionClear
2858 */ 2888 */
2859void 2889void
2860rxvt_term::selection_clear () 2890rxvt_term::selection_clear () NOTHROW
2861{ 2891{
2862 want_refresh = 1; 2892 want_refresh = 1;
2863 free (selection.text); 2893 free (selection.text);
2864 selection.text = NULL; 2894 selection.text = NULL;
2865 selection.len = 0; 2895 selection.len = 0;
… …
2898 selection.op = SELECTION_DONE; 2928 selection.op = SELECTION_DONE;
2899 2929
2900 if (selection.clicks == 4) 2930 if (selection.clicks == 4)
2901 return; /* nothing selected, go away */ 2931 return; /* nothing selected, go away */
2902 2932
2933 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2934 return;
2935
2903 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2936 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2904 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2937 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2905 2938
2906 int ofs = 0; 2939 int ofs = 0;
2907 int extra = 0; 2940 int extra = 0;
… …
2919 col = selection.beg.col; 2952 col = selection.beg.col;
2920 end_col = ncol + 1; 2953 end_col = ncol + 1;
2921 } 2954 }
2922 else 2955 else
2923#endif 2956#endif
2924 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2957 end_col = ROW(row).l;
2925 2958
2926 col = max (col, 0); 2959 col = max (col, 0);
2927 2960
2928 if (row == selection.end.row || selection.rect) 2961 if (row == selection.end.row
2962#if ENABLE_FRILLS
2963 || selection.rect
2964#endif
2965 )
2929 end_col = min (end_col, selection.end.col); 2966 min_it (end_col, selection.end.col);
2930 2967
2931 t = ROW(row).t + col; 2968 t = ROW(row).t + col;
2969
2932 for (; col < end_col; col++) 2970 for (; col < end_col; col++)
2933 { 2971 {
2934 if (*t == NOCHAR) 2972 if (*t == NOCHAR)
2935 t++; 2973 t++;
2936#if ENABLE_COMBINING 2974#if ENABLE_COMBINING
… …
2952#endif 2990#endif
2953 else 2991 else
2954 new_selection_text[ofs++] = *t++; 2992 new_selection_text[ofs++] = *t++;
2955 } 2993 }
2956 2994
2995#if ENABLE_FRILLS
2996 if (selection.rect)
2997 {
2998 while (ofs
2999 && new_selection_text[ofs - 1] != C0_LF
3000 && unicode::is_space (new_selection_text[ofs - 1]))
3001 --ofs;
3002
3003 new_selection_text[ofs++] = C0_LF;
3004 }
3005 else
3006#endif
2957 if (!ROW(row).is_longer () && row != selection.end.row) 3007 if (!ROW(row).is_longer () && row != selection.end.row)
2958 new_selection_text[ofs++] = C0_LF; 3008 new_selection_text[ofs++] = C0_LF;
2959 } 3009 }
2960 3010
2961 if (end_col != selection.end.col) 3011 if (end_col != selection.end.col)
2962 new_selection_text[ofs++] = C0_LF; 3012 new_selection_text[ofs++] = C0_LF;
2963 3013
… …
2973 3023
2974 // we usually allocate much more than necessary, so realloc it smaller again 3024 // we usually allocate much more than necessary, so realloc it smaller again
2975 selection.len = ofs; 3025 selection.len = ofs;
2976 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3026 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2977 3027
3028 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3029 return;
3030
3031 selection_grab (tm);
3032}
3033
3034bool
3035rxvt_term::selection_grab (Time tm) NOTHROW
3036{
3037 selection_time = tm;
3038
2978 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3039 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2979 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3040 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3041 {
2980 display->set_selection_owner (this); 3042 display->set_selection_owner (this);
3043 return true;
3044 }
2981 else 3045 else
2982 rxvt_warn ("can't get primary selection, ignoring.\n"); 3046 {
3047 selection_clear ();
3048 return false;
3049 }
2983 3050
2984#if 0 3051#if 0
2985 XTextProperty ct; 3052 XTextProperty ct;
2986 3053
2987 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3054 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2988 { 3055 {
2989 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3056 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2990 XFree (ct.value); 3057 XFree (ct.value);
2991 } 3058 }
2992#endif 3059#endif
2993
2994 selection_time = tm;
2995} 3060}
2996 3061
2997/* ------------------------------------------------------------------------- */ 3062/* ------------------------------------------------------------------------- */
2998/* 3063/*
2999 * Mark or select text based upon number of clicks: 1, 2, or 3 3064 * Mark or select text based upon number of clicks: 1, 2, or 3
3000 * EXT: button 1 press 3065 * EXT: button 1 press
3001 */ 3066 */
3002void 3067void
3003rxvt_term::selection_click (int clicks, int x, int y) 3068rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3004{ 3069{
3005 clicks = ((clicks - 1) % 3) + 1; 3070 clicks = ((clicks - 1) % 3) + 1;
3006 selection.clicks = clicks; /* save clicks so extend will work */ 3071 selection.clicks = clicks; /* save clicks so extend will work */
3007 3072
3073 if (clicks == 2 && !selection.rect
3074 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3075 {
3076 MEvent.clicks = 1; // what a mess
3077 selection.screen = current_screen;
3078 selection.op = SELECTION_CONT;
3079 return;
3080 }
3081
3008 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3082 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3009 3083
3010 if (clicks == 2 || clicks == 3) 3084 if (clicks == 2 || clicks == 3)
3011 selection_extend_colrow (selection.mark.col, 3085 selection_extend_colrow (selection.mark.col,
3012 selection.mark.row + view_start, 3086 selection.mark.row - view_start,
3013 0, /* button 3 */ 3087 0, /* button 3 */
3014 1, /* button press */ 3088 1, /* button press */
3015 0); /* click change */ 3089 0); /* click change */
3016} 3090}
3017 3091
3018/* ------------------------------------------------------------------------- */ 3092/* ------------------------------------------------------------------------- */
3019/* 3093/*
3020 * Mark a selection at the specified col/row 3094 * Mark a selection at the specified col/row
3021 */ 3095 */
3022void 3096void
3023rxvt_term::selection_start_colrow (int col, int row) 3097rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3024{ 3098{
3025 want_refresh = 1; 3099 want_refresh = 1;
3026 3100
3027 selection.mark.row = row - view_start; 3101 selection.mark.row = row + view_start;
3028 selection.mark.col = col; 3102 selection.mark.col = col;
3029 3103
3030 selection.mark.row = min (max (selection.mark.row, -nsaved), nrow - 1); 3104 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3031 selection.mark.col = min (max (selection.mark.col, 0), ncol - 1); 3105 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3032 3106
3033 while (selection.mark.col > 0 3107 while (selection.mark.col > 0
3034 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3108 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3035 --selection.mark.col; 3109 --selection.mark.col;
3036 3110
… …
3054#define DELIMIT_TEXT(x) \ 3128#define DELIMIT_TEXT(x) \
3055 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3129 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3056#define DELIMIT_REND(x) 1 3130#define DELIMIT_REND(x) 1
3057 3131
3058void 3132void
3059rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3133rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3060{ 3134{
3061 int col, row, dirnadd, tcol, trow, w1, w2; 3135 int col, row, dirnadd, tcol, trow, w1, w2;
3062 row_col_t bound; 3136 row_col_t bound;
3063 text_t *stp; 3137 text_t *stp;
3064 rend_t *srp; 3138 rend_t *srp;
3065 3139
3066 if (dirn == UP) 3140 if (dirn == UP)
3067 { 3141 {
3068 bound.row = - nsaved - 1; 3142 bound.row = top_row - 1;
3069 bound.col = 0; 3143 bound.col = 0;
3070 dirnadd = -1; 3144 dirnadd = -1;
3071 } 3145 }
3072 else 3146 else
3073 { 3147 {
… …
3121 } 3195 }
3122 } 3196 }
3123 break; 3197 break;
3124 } 3198 }
3125 3199
3126Old_Word_Selection_You_Die:
3127 if (dirn == DN) 3200 if (dirn == DN)
3128 col++; /* put us on one past the end */ 3201 col++; /* put us on one past the end */
3129 3202
3130 /* Poke the values back in */ 3203 /* Poke the values back in */
3131 ret->row = row; 3204 ret->row = row;
… …
3139 * flag == 0 ==> button 1 3212 * flag == 0 ==> button 1
3140 * flag == 1 ==> button 3 press 3213 * flag == 1 ==> button 3 press
3141 * flag == 2 ==> button 3 motion 3214 * flag == 2 ==> button 3 motion
3142 */ 3215 */
3143void 3216void
3144rxvt_term::selection_extend (int x, int y, int flag) 3217rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3145{ 3218{
3146 int col = min (max (Pixel2Col (x), 0), ncol); 3219 int col = clamp (Pixel2Col (x), 0, ncol);
3147 int row = min (max (Pixel2Row (y), 0), nrow - 1); 3220 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3148 3221
3149 /* 3222 /*
3150 * If we're selecting characters (single click) then we must check first 3223 * If we're selecting characters (single click) then we must check first
3151 * if we are at the same place as the original mark. If we are then 3224 * if we are at the same place as the original mark. If we are then
3152 * select nothing. Otherwise, if we're to the right of the mark, you have to 3225 * select nothing. Otherwise, if we're to the right of the mark, you have to
3153 * be _past_ a character for it to be selected. 3226 * be _past_ a character for it to be selected.
3154 */ 3227 */
3155 if (((selection.clicks % 3) == 1) && !flag 3228 if (((selection.clicks % 3) == 1) && !flag
3156 && (col == selection.mark.col 3229 && (col == selection.mark.col
3157 && (row == selection.mark.row + view_start))) 3230 && (row == selection.mark.row - view_start)))
3158 { 3231 {
3159 /* select nothing */ 3232 /* select nothing */
3160 selection.beg.row = selection.end.row = 0; 3233 selection.beg.row = selection.end.row = 0;
3161 selection.beg.col = selection.end.col = 0; 3234 selection.beg.col = selection.end.col = 0;
3162 selection.clicks = 4; 3235 selection.clicks = 4;
… …
3175/* ------------------------------------------------------------------------- */ 3248/* ------------------------------------------------------------------------- */
3176/* 3249/*
3177 * Extend the selection to the specified col/row 3250 * Extend the selection to the specified col/row
3178 */ 3251 */
3179void 3252void
3180rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3253rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3181{ 3254{
3182 row_col_t pos; 3255 row_col_t pos;
3183 enum { 3256 enum {
3184 LEFT, RIGHT 3257 LEFT, RIGHT
3185 } closeto = RIGHT; 3258 } closeto = RIGHT;
… …
3217 selection.beg.col = selection.end.col = selection.mark.col; 3290 selection.beg.col = selection.end.col = selection.mark.col;
3218 selection.beg.row = selection.end.row = selection.mark.row; 3291 selection.beg.row = selection.end.row = selection.mark.row;
3219 } 3292 }
3220 3293
3221 pos.col = col; 3294 pos.col = col;
3222 pos.row = row - view_start; 3295 pos.row = view_start + row;
3223 3296
3224 /* 3297 /*
3225 * This is mainly xterm style selection with a couple of differences, mainly 3298 * This is mainly xterm style selection with a couple of differences, mainly
3226 * in the way button3 drag extension works. 3299 * in the way button3 drag extension works.
3227 * We're either doing: button1 drag; button3 press; or button3 drag 3300 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3314 selection_delimit_word (DN, &selection.end, &selection.end); 3387 selection_delimit_word (DN, &selection.end, &selection.end);
3315 } 3388 }
3316 else if (selection.clicks == 3) 3389 else if (selection.clicks == 3)
3317 { 3390 {
3318#if ENABLE_FRILLS 3391#if ENABLE_FRILLS
3319 if (options & Opt_tripleclickwords) 3392 if (OPTION (Opt_tripleclickwords))
3320 { 3393 {
3321 selection_delimit_word (UP, &selection.beg, &selection.beg); 3394 selection_delimit_word (UP, &selection.beg, &selection.beg);
3322 3395
3323 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3396 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3324 { 3397 {
… …
3365 } 3438 }
3366 } 3439 }
3367 3440
3368#if ENABLE_FRILLS 3441#if ENABLE_FRILLS
3369 if (selection.rect && selection.beg.col > selection.end.col) 3442 if (selection.rect && selection.beg.col > selection.end.col)
3370 SWAP_IT (selection.beg.col, selection.end.col, int); 3443 ::swap (selection.beg.col, selection.end.col);
3371#endif 3444#endif
3372} 3445}
3373 3446
3374#if ENABLE_FRILLS 3447#if ENABLE_FRILLS
3375void 3448void
3376rxvt_term::selection_remove_trailing_spaces () 3449rxvt_term::selection_remove_trailing_spaces () NOTHROW
3377{ 3450{
3378 int32_t end_col, end_row; 3451 int32_t end_col, end_row;
3379 text_t *stp; 3452 text_t *stp;
3380 3453
3381 end_col = selection.end.col; 3454 end_col = selection.end.col;
… …
3385 { 3458 {
3386 stp = ROW(end_row).t; 3459 stp = ROW(end_row).t;
3387 3460
3388 while (--end_col >= 0) 3461 while (--end_col >= 0)
3389 { 3462 {
3390 if (stp[end_col] != ' ' 3463 if (stp[end_col] != NOCHAR
3391 && stp[end_col] != '\t' 3464 && !unicode::is_space (stp[end_col]))
3392 && stp[end_col] != NOCHAR)
3393 break; 3465 break;
3394 } 3466 }
3395 3467
3396 if (end_col >= 0 3468 if (end_col >= 0
3397 || !ROW(end_row - 1).is_longer ()) 3469 || !ROW(end_row - 1).is_longer ())
… …
3420/* 3492/*
3421 * Double click on button 3 when already selected 3493 * Double click on button 3 when already selected
3422 * EXT: button 3 double click 3494 * EXT: button 3 double click
3423 */ 3495 */
3424void 3496void
3425rxvt_term::selection_rotate (int x, int y) 3497rxvt_term::selection_rotate (int x, int y) NOTHROW
3426{ 3498{
3427 selection.clicks = selection.clicks % 3 + 1; 3499 selection.clicks = selection.clicks % 3 + 1;
3428 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3500 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3429} 3501}
3430 3502
… …
3432/* 3504/*
3433 * Respond to a request for our current selection 3505 * Respond to a request for our current selection
3434 * EXT: SelectionRequest 3506 * EXT: SelectionRequest
3435 */ 3507 */
3436void 3508void
3437rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3509rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3438{ 3510{
3439 XSelectionEvent ev; 3511 XSelectionEvent ev;
3440 dDisp; 3512 dDisp;
3441 3513
3442 ev.type = SelectionNotify; 3514 ev.type = SelectionNotify;
… …
3570 3642
3571/* 3643/*
3572 * return col/row values corresponding to x/y pixel values 3644 * return col/row values corresponding to x/y pixel values
3573 */ 3645 */
3574void 3646void
3575rxvt_term::pixel_position (int *x, int *y) 3647rxvt_term::pixel_position (int *x, int *y) NOTHROW
3576{ 3648{
3577 *x = Pixel2Col (*x); 3649 *x = Pixel2Col (*x);
3578 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3650 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3579 *y = Pixel2Row (*y); 3651 *y = Pixel2Row (*y);
3580 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3652 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3581} 3653}
3582 3654
3583/* ------------------------------------------------------------------------- */ 3655/* ------------------------------------------------------------------------- */
3584#ifdef USE_XIM 3656#ifdef USE_XIM
3585void 3657void
3586rxvt_term::im_set_position (XPoint &pos) 3658rxvt_term::im_set_position (XPoint &pos) NOTHROW
3587{ 3659{
3588 XWindowAttributes xwa; 3660 XWindowAttributes xwa;
3589 3661
3590 XGetWindowAttributes (display->display, vt, &xwa); 3662 XGetWindowAttributes (display->display, vt, &xwa);
3591 3663
… …
3594} 3666}
3595#endif 3667#endif
3596 3668
3597#if ENABLE_OVERLAY 3669#if ENABLE_OVERLAY
3598void 3670void
3599rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3671rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3600{ 3672{
3601 if (nrow < 3 || ncol < 3) 3673 if (nrow < 1 || ncol < 1)
3602 return; 3674 return;
3603 3675
3604 want_refresh = 1; 3676 want_refresh = 1;
3605 3677
3606 scr_overlay_off (); 3678 scr_overlay_off ();
3607 3679
3608 if (x < 0) x = ncol - w; 3680 if (x < 0) x = ncol - w;
3609 if (y < 0) y = nrow - h; 3681 if (y < 0) y = nrow - h;
3610 3682
3611 // make space for border 3683 // make space for border
3612 w += 2; MIN_IT (w, ncol); 3684 w += 2; min_it (w, ncol);
3613 h += 2; MIN_IT (h, nrow); 3685 h += 2; min_it (h, nrow);
3614 3686
3615 x -= 1; MAX_IT (x, 0); 3687 x -= 1; clamp_it (x, 0, ncol - w);
3616 y -= 1; MAX_IT (y, 0); 3688 y -= 1; clamp_it (y, 0, nrow - h);
3617
3618 MIN_IT (x, ncol - w);
3619 MIN_IT (y, nrow - h);
3620 3689
3621 ov_x = x; ov_y = y; 3690 ov_x = x; ov_y = y;
3622 ov_w = w; ov_h = h; 3691 ov_w = w; ov_h = h;
3623 3692
3624 ov_text = new text_t *[h]; 3693 ov_text = new text_t *[h];
… …
3652 *rp = r; 3721 *rp = r;
3653 } 3722 }
3654} 3723}
3655 3724
3656void 3725void
3657rxvt_term::scr_overlay_off () 3726rxvt_term::scr_overlay_off () NOTHROW
3658{ 3727{
3659 if (!ov_text) 3728 if (!ov_text)
3660 return; 3729 return;
3661 3730
3662 want_refresh = 1; 3731 want_refresh = 1;
… …
3670 delete [] ov_text; ov_text = 0; 3739 delete [] ov_text; ov_text = 0;
3671 delete [] ov_rend; ov_rend = 0; 3740 delete [] ov_rend; ov_rend = 0;
3672} 3741}
3673 3742
3674void 3743void
3675rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3744rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3676{ 3745{
3677 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3746 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3678 return; 3747 return;
3679 3748
3680 x++, y++; 3749 x++, y++;
… …
3682 ov_text[y][x] = text; 3751 ov_text[y][x] = text;
3683 ov_rend[y][x] = rend; 3752 ov_rend[y][x] = rend;
3684} 3753}
3685 3754
3686void 3755void
3687rxvt_term::scr_overlay_set (int x, int y, const char *s) 3756rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3688{ 3757{
3689 while (*s) 3758 while (*s)
3690 scr_overlay_set (x++, y, *s++); 3759 scr_overlay_set (x++, y, *s++);
3691} 3760}
3692 3761
3693void 3762void
3694rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3763rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3695{ 3764{
3696 while (*s) 3765 while (*s)
3697 { 3766 {
3698 text_t t = *s++; 3767 text_t t = *s++;
3699 int width = wcwidth (t); 3768 int width = wcwidth (t);
… …
3705 } 3774 }
3706 } 3775 }
3707} 3776}
3708 3777
3709void 3778void
3710rxvt_term::scr_swap_overlay () 3779rxvt_term::scr_swap_overlay () NOTHROW
3711{ 3780{
3712 if (!ov_text) 3781 if (!ov_text)
3713 return; 3782 return;
3714 3783
3715 // swap screen mem with overlay 3784 // swap screen mem with overlay
3716 for (int y = ov_h; y--; ) 3785 for (int y = ov_h; y--; )
3717 { 3786 {
3718 text_t *t1 = ov_text[y]; 3787 text_t *t1 = ov_text[y];
3719 rend_t *r1 = ov_rend[y]; 3788 rend_t *r1 = ov_rend[y];
3720 3789
3721 text_t *t2 = ROW(y - view_start).t + ov_x; 3790 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3722 rend_t *r2 = ROW(y - view_start).r + ov_x; 3791 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3723 3792
3724 for (int x = ov_w; x--; ) 3793 for (int x = ov_w; x--; )
3725 { 3794 {
3726 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3795 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3727 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3796 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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