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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.175 by root, Tue Dec 20 19:30:59 2005 UTC vs.
Revision 1.186 by root, Wed Dec 21 19:50:17 2005 UTC

… …
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 87
88#define LINENO(n) (((n) + term_start + total_rows) % total_rows)
89#define ROW(n) (save [LINENO (n)])
90
91/* 88/*
92 * CLEAR_ROWS : clear <num> rows starting from row <row> 89 * CLEAR_ROWS : clear <num> rows starting from row <row>
93 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
94 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour 91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 */ 92 */
… …
150} 147}
151 148
152/* ------------------------------------------------------------------------- * 149/* ------------------------------------------------------------------------- *
153 * SCREEN INITIALISATION * 150 * SCREEN INITIALISATION *
154 * ------------------------------------------------------------------------- */ 151 * ------------------------------------------------------------------------- */
152
155void 153void
156rxvt_term::scr_reset () 154rxvt_term::scr_reset ()
157{ 155{
158 unsigned int p, q;
159 int k;
160
161#if ENABLE_OVERLAY 156#if ENABLE_OVERLAY
162 scr_overlay_off (); 157 scr_overlay_off ();
163#endif 158#endif
164 159
165 view_start = 0; 160 view_start = 0;
… …
175 return; 170 return;
176 171
177 // we need at least two lines for wrapping to work correctly 172 // we need at least two lines for wrapping to work correctly
178 if (nrow + saveLines < 2) 173 if (nrow + saveLines < 2)
179 { 174 {
175 //TODO//FIXME
180 saveLines++; 176 saveLines++;
181 prev_nrow--; 177 prev_nrow--;
182 nsaved++; 178 nsaved++;
183 } 179 }
184 180
… …
188 total_rows = nrow + saveLines; 184 total_rows = nrow + saveLines;
189 185
190 screen.tscroll = 0; 186 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 187 screen.bscroll = nrow - 1;
192 188
193 if (!save) 189 if (!row_buf)
194 { 190 {
195 /* 191 /*
196 * first time called so just malloc everything: don't rely on realloc 192 * first time called so just malloc everything: don't rely on realloc
197 * Note: this is still needed so that all the scrollback lines are NULL 193 * Note: this is still needed so that all the scrollback lines are NULL
198 */ 194 */
… …
200 term_start = 0; 196 term_start = 0;
201 197
202 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 198 talloc = new rxvt_salloc (ncol * sizeof (text_t));
203 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 199 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204 200
205 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
206 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 201 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
202 temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
207 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 203 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 204 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
209 205
210 for (p = nrow; p--; ) 206 for (int row = nrow; row--; )
211 { 207 {
212 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE); 208 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 209 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
214 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 210 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
215 } 211 }
216 212
217 memset (charsets, 'B', sizeof (charsets)); 213 memset (charsets, 'B', sizeof (charsets));
218 rstyle = DEFAULT_RSTYLE; 214 rstyle = DEFAULT_RSTYLE;
219 screen.flags = Screen_DefaultFlags; 215 screen.flags = Screen_DefaultFlags;
… …
243 { 239 {
244 /* 240 /*
245 * add or delete rows as appropriate 241 * add or delete rows as appropriate
246 */ 242 */
247 243
248 rxvt_salloc *old_ta; 244 printf ("resize %d:%d => %d:%d\n", prev_nrow, prev_ncol, nrow, ncol);//D
249 rxvt_salloc *old_ra;
250 245
246 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
249#if 0
251 if (nrow < prev_nrow) 250 if (nrow < prev_nrow)
252 { 251 {
253 /* delete rows */
254 k = min (nsaved, prev_nrow - nrow);
255 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
256 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
257
258 for (p = nrow; p < prev_nrow; p++) 252 for (int row = nrow; row < prev_nrow; row++)
259 { 253 {
260 lfree (ROW(p));
261 lfree (swap_save[p]); 254 lfree (swap_buf [row]);
262 lfree (drawn[p]); 255 lfree (drawn_buf[row]);
263 } 256 }
257 }
258#endif
264 259
265 /* we have fewer rows so fix up cursor position */ 260 drawn_buf = (line_t *) rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
266 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 261 temp_buf = (line_t *) rxvt_realloc (temp_buf , nrow * sizeof (line_t));
262 swap_buf = (line_t *) rxvt_realloc (swap_buf , nrow * sizeof (line_t));
267 263
268 scr_reset_realloc (); /* realloc _last_ */ 264 for (int row = min (nrow, prev_nrow); row--; )
265 {
266 lresize (drawn_buf[row]);
267 lresize (swap_buf [row]);
268 }
269
270 for (int row = prev_nrow; row < nrow; row++)
271 {
272 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
273 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
274 }
275
276 line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
269 } 277
270 else if (nrow > prev_nrow)
271 {
272 /* add rows */
273 scr_reset_realloc (); /* realloc _first_ */
274
275 int ocol = ncol;
276 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
277
278 k = min (nsaved, nrow - prev_nrow);
279
280 for (p = prev_total_rows; p < total_rows; p++)
281 save[p].clear ();
282
283 for (p = prev_total_rows; p < total_rows - k; p++)
284 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
285
286 for (p = prev_nrow; p < nrow; p++)
287 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 }
291
292 if (k > 0)
293 {
294 scr_scroll_text (0, (int)nrow - 1, -k, 1);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nsaved -= k;
298 }
299
300#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow);
302#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1);
304#endif
305 ncol = ocol; // save b/c scr_blank_screen_mem uses this
306 }
307
308 /* resize columns */
309 if (ncol != prev_ncol)
310 {
311 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
312 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
313
314 for (p = total_rows; p--; )
315 lresize (save[p]);
316
317 for (p = nrow; p--; )
318 {
319 lresize (drawn[p]);
320 lresize (swap_save[p]);
321 }
322
323 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
324
325 delete old_ta;
326 delete old_ra;
327 }
328
329#if 0
330 // re-wrap lines, this is rather ugly, possibly because I am too dumb 278 // re-wrap lines, this is rather ugly, possibly because I am too dumb
331 // to come up with a lean and mean algorithm. 279 // to come up with a lean and mean algorithm.
332 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
333 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
334
335 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
336 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
337 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
338 280
339 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 281 int p = MOD (term_start + nrow , prev_total_rows); // previous row
282 int pend = MOD (term_start - nsaved, prev_total_rows);
283 int q = total_rows; // rewrapped row
340 284
341 p = prev_total_rows;
342 q = total_rows;
343
344 while (p > 0 && q > 0) 285 while (p != pend && q > 0)
345 { 286 {
346 --p; 287 p = MOD (p - 1, prev_total_rows);
347 288
348 printf ("pq %d:%d\n", p, q); 289 assert (old_buf [MOD (p, prev_total_rows)].t);
349 if (save[p].t) 290 assert (!old_buf [MOD (p, prev_total_rows)].is_longer ());
291
292 int llen = old_buf [MOD (p, prev_total_rows)].l;
293
294 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
350 { 295 {
351 int llen = save[p].l; 296 p = MOD (p - 1, prev_total_rows);
352 297
353 assert (llen >= 0); 298 llen += prev_ncol;
299 }
354 300
355 while (p && save[p - 1].l < 0) 301 int qlines = llen / ncol + 1;
302 int lofs = 0;
303
304 q -= qlines;
305
306 int qrow = q;
307
308 for (; qlines--; qrow++)
309 {
310 if (qrow >= 0)
356 { 311 {
312 line_t &qline = row_buf [qrow];
313
314 lalloc (qline);
315 qline.set_is_longer ();
316
317 int qcol = 0;
318
319 for (;;)
357 --p; 320 {
358 llen += prev_ncol; 321 int prow = lofs / prev_ncol + p;
322 int pcol = lofs % prev_ncol;
323
324 line_t &pline = old_buf [p];
325
326 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
327
328 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);
329
330 if (len <= 0)
331 {
332 qline.l = qcol;
333 scr_blank_line (qline, qcol, ncol - qcol, DEFAULT_RSTYLE);
334 break;
335 }
336
337 assert (lofs < 1000);
338
339 memcpy (qline.t + qcol, pline.t + pcol, len * sizeof (text_t));
340 memcpy (qline.r + qcol, pline.r + pcol, len * sizeof (rend_t));
341
342 lofs += len;
343 qcol += len;
344
345 if (qcol == ncol)
346 break;
347 }
359 } 348 }
360
361 int qlines = llen / ncol + 1;
362 int lofs = 0;
363
364 q -= qlines;
365
366 int qrow = q;
367
368 printf ("QL %d llen %d\n", qlines, llen);//D
369 for (; qlines--; qrow++)
370 {
371 if (qrow >= 0)
372 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = LINE_CONT1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p;
382 int pcol = lofs % prev_ncol;
383
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385
386 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);
387
388 if (len <= 0)
389 {
390 tl [qrow] = qcol;
391
392 TODO
393 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
394 ncol - qcol, DEFAULT_RSTYLE);
395
396 break;
397 }
398
399 assert (lofs < 1000);
400
401 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t));
403
404 lofs += len;
405 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 }
411 else 349 else
412 lofs += ncol; 350 lofs += ncol;
413 }
414 } 351 }
415 } 352 }
416 353
417 free (screen.text); screen.text = tp; 354 free (old_buf);
418 free (screen.rend); screen.rend = rp; 355 delete old_ta;
419 free (screen.tlen); screen.tlen = tl; 356 delete old_ra;
420 357
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 358 min_it (screen.cur.row, nrow - 1);
422#endif 359 min_it (screen.cur.col, ncol - 1);
423 360
424 if (tabs) 361 if (tabs)
425 free (tabs); 362 free (tabs);
426 } 363 }
427 364
428 prev_nrow = nrow; 365 prev_nrow = nrow;
429 prev_ncol = ncol; 366 prev_ncol = ncol;
430 367
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 368 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432 369
433 for (p = 0; p < ncol; p++) 370 for (int col = ncol; col--; )
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 371 tabs [col] = col % TABSIZE == 0;
435 372
436 tt_winch (); 373 tt_winch ();
437}
438
439void
440rxvt_term::scr_reset_realloc ()
441{
442 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
443 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
444 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
445 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
446} 374}
447 375
448/* ------------------------------------------------------------------------- */ 376/* ------------------------------------------------------------------------- */
449/* 377/*
450 * Free everything. That way malloc debugging can find leakage. 378 * Free everything. That way malloc debugging can find leakage.
… …
453rxvt_term::scr_release () 381rxvt_term::scr_release ()
454{ 382{
455 delete talloc; talloc = 0; 383 delete talloc; talloc = 0;
456 delete ralloc; ralloc = 0; 384 delete ralloc; ralloc = 0;
457 385
458 free (save); 386 free (row_buf);
459 free (swap_save); 387 free (swap_buf);
460 free (drawn); 388 free (drawn_buf);
461 free (buf); 389 free (temp_buf);
462 free (tabs); 390 free (tabs);
463} 391}
464 392
465/* ------------------------------------------------------------------------- */ 393/* ------------------------------------------------------------------------- */
466/* 394/*
… …
518 set_font_style (); 446 set_font_style ();
519 break; 447 break;
520 } 448 }
521 449
522 /* boundary check in case screen size changed between SAVE and RESTORE */ 450 /* boundary check in case screen size changed between SAVE and RESTORE */
523 MIN_IT (s->cur.row, nrow - 1); 451 min_it (s->cur.row, nrow - 1);
524 MIN_IT (s->cur.col, ncol - 1); 452 min_it (s->cur.col, ncol - 1);
525#ifdef DEBUG_STRICT 453#ifdef DEBUG_STRICT
526 assert (s->cur.row >= 0); 454 assert (s->cur.row >= 0);
527 assert (s->cur.col >= 0); 455 assert (s->cur.col >= 0);
528#else /* drive with your eyes closed */ 456#else /* drive with your eyes closed */
529 MAX_IT (s->cur.row, 0); 457 max_it (s->cur.row, 0);
530 MAX_IT (s->cur.col, 0); 458 max_it (s->cur.col, 0);
531#endif 459#endif
532} 460}
533 461
534/* ------------------------------------------------------------------------- */ 462/* ------------------------------------------------------------------------- */
535/* 463/*
… …
538 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 466 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
539 */ 467 */
540int 468int
541rxvt_term::scr_change_screen (int scrn) 469rxvt_term::scr_change_screen (int scrn)
542{ 470{
543 int i;
544#if NSCREENS
545 int offset;
546#endif
547
548 want_refresh = 1; 471 want_refresh = 1;
549
550 view_start = 0; 472 view_start = 0;
551 473
552 if (current_screen == scrn) 474 if (current_screen == scrn)
553 return scrn; 475 return scrn;
554 476
555 selection_check (2); /* check for boundary cross */ 477 selection_check (2); /* check for boundary cross */
556 478
557 i = current_screen; current_screen = scrn; scrn = i; 479 int i = current_screen; current_screen = scrn; scrn = i;
558 480
559 SWAP_IT (screen.cur.row, swap.cur.row, int16_t); 481 ::swap (screen.cur.row, swap.cur.row);
560 SWAP_IT (screen.cur.col, swap.cur.col, int16_t); 482 ::swap (screen.cur.col, swap.cur.col);
561 MAX_IT (screen.cur.row, 0); 483
562 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); 484 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
563 MAX_IT (screen.cur.col, 0); 485 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
564 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
565 486
566#if NSCREENS 487#if NSCREENS
567 if (options & Opt_secondaryScreen) 488 if (options & Opt_secondaryScreen)
568 { 489 {
569 num_scr = 0; 490 num_scr = 0;
570 offset = saveLines;
571 491
572 for (i = prev_nrow; i--;) 492 for (int i = nrow; i--; )
573 SWAP_IT (ROW(i), swap_save[i], line_t); 493 ::swap (ROW(i), swap_buf [i]);
574 494
575 SWAP_IT (screen.charset, swap.charset, int16_t); 495 ::swap (screen.charset, swap.charset);
576 SWAP_IT (screen.flags, swap.flags, int); 496 ::swap (screen.flags, swap.flags);
577 screen.flags |= Screen_VisibleCursor; 497 screen.flags |= Screen_VisibleCursor;
578 swap.flags |= Screen_VisibleCursor; 498 swap.flags |= Screen_VisibleCursor;
579 } 499 }
580 else 500 else
581#endif 501#endif
582 if (options & Opt_secondaryScroll) 502 if (options & Opt_secondaryScroll)
583 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 503 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
584 504
585 return scrn; 505 return scrn;
586} 506}
587 507
588// clear WrapNext indicator, solidifying position on next line 508// clear WrapNext indicator, solidifying position on next line
… …
595 screen.flags &= ~Screen_WrapNext; 515 screen.flags &= ~Screen_WrapNext;
596 516
597 screen.cur.col = 0; 517 screen.cur.col = 0;
598 518
599 if (screen.cur.row == screen.bscroll) 519 if (screen.cur.row == screen.bscroll)
600 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 520 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
601 else if (screen.cur.row < nrow - 1) 521 else if (screen.cur.row < nrow - 1)
602 screen.cur.row++; 522 screen.cur.row++;
603} 523}
604 524
605/* ------------------------------------------------------------------------- */ 525/* ------------------------------------------------------------------------- */
… …
636/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
637/* 557/*
638 * Scroll text between <row1> and <row2> inclusive, by <count> lines 558 * Scroll text between <row1> and <row2> inclusive, by <count> lines
639 * count positive ==> scroll up 559 * count positive ==> scroll up
640 * count negative ==> scroll down 560 * count negative ==> scroll down
641 * spec == 0 for normal routines
642 */ 561 */
643int 562int
644rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 563rxvt_term::scr_scroll_text (int row1, int row2, int count)
645{ 564{
646 int i, j;
647
648 if (count == 0 || (row1 > row2)) 565 if (count == 0 || (row1 > row2))
649 return 0; 566 return 0;
650 567
651 want_refresh = 1; 568 want_refresh = 1;
569 num_scr += count;
652 570
653 if (row1 == 0 && count > 0 571 if (count > 0
572 && row1 == 0
573 && row2 == nrow - 1
654 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 574 && (current_screen == PRIMARY || options & Opt_secondaryScroll))
655 { 575 {
656 nsaved = min (nsaved + count, saveLines); 576 nsaved = min (nsaved + count, saveLines);
657 term_start = (term_start + count) % total_rows; 577 term_start = (term_start + count) % total_rows;
658 578
659 if (selection.op && current_screen == selection.screen) 579 if (selection.op && current_screen == selection.screen)
660 { 580 {
661 selection.beg.row -= count; 581 selection.beg.row -= count;
662 selection.end.row -= count; 582 selection.end.row -= count;
663 selection.mark.row -= count; 583 selection.mark.row -= count;
584
585 selection_check (0);
664 } 586 }
665 587
666 for (int i = count; i--; ) 588 for (int i = count; i--; )
667 scr_blank_screen_mem (ROW(row2 - i), rstyle); 589 scr_blank_screen_mem (ROW(row2 - i), rstyle);
668 590
… …
671 && view_start != saveLines) 593 && view_start != saveLines)
672 scr_page (UP, count); 594 scr_page (UP, count);
673 } 595 }
674 else 596 else
675 { 597 {
676 if (!spec)
677 row1 += saveLines;
678
679 row2 += saveLines;
680
681 if (selection.op && current_screen == selection.screen) 598 if (selection.op && current_screen == selection.screen)
682 { 599 {
683 i = selection.beg.row + saveLines; 600 int i = selection.beg.row;
684 j = selection.end.row + saveLines; 601 int j = selection.end.row;
685 602
686 if ((i < row1 && j > row1) 603 if ((i < row1 && j > row1)
687 || (i < row2 && j > row2) 604 || (i < row2 && j > row2)
688 || (i - count < row1 && i >= row1) 605 || (i - count < row1 && i >= row1)
689 || (i - count > row2 && i <= row2) 606 || (i - count > row2 && i <= row2)
… …
697 { 614 {
698 /* move selected region too */ 615 /* move selected region too */
699 selection.beg.row -= count; 616 selection.beg.row -= count;
700 selection.end.row -= count; 617 selection.end.row -= count;
701 selection.mark.row -= count; 618 selection.mark.row -= count;
619
620 selection_check (0);
702 } 621 }
703 } 622 }
704 623
705 selection_check (0); /* _after_ nsaved update */ 624 // use a simple and robust scrolling algorithm, this
625 // part of scr_scroll_text is not time-critical.
706 626
707 num_scr += count;
708 j = count;
709
710 if (count < 0)
711 count = -count;
712
713 i = row2 - row1 + 1; 627 int rows = row2 - row1 + 1;
714 MIN_IT (count, i);
715 628
716 if (j > 0) 629 min_it (count, rows);
717 {
718 /* scroll up */
719 630
720 /* Copy lines that will get clobbered by the rotation */ 631 for (int row = 0; row < rows; row++)
721 memcpy (buf, save + row1, count * sizeof (line_t));
722
723 /* Rotate lines */
724 i = row2 - row1 - count + 1;
725 memmove (save + row1, save + row1 + count, i * sizeof (line_t));
726
727 j = row2 - count + 1, i = count;
728 } 632 {
729 else /* if (j < 0) */ 633 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
634
635 if (!IN_RANGE_EXC (row + count, 0, rows))
636 scr_blank_screen_mem (temp_buf [row], rstyle);
730 { 637 }
731 /* scroll down */
732 638
733 /* Copy lines that will get clobbered by the rotation */ 639 for (int row = 0; row < rows; row++)
734 for (i = 0, j = row2; i < count; i++, j--) 640 ROW(row1 + row) = temp_buf [row];
735 buf[i] = save[j];
736
737 /* Rotate lines */
738 for (j = row2, i = j - count; i >= row1; i--, j--)
739 save[j] = save[i];
740
741 j = row1, i = count;
742 count = -count;
743 }
744
745 /* Resurrect lines */
746 memcpy (save + j, buf, i * sizeof (line_t));
747
748 if (!spec) /* line length may not equal ncol */
749 for (; i--; j++)
750 scr_blank_screen_mem (save[j], rstyle);
751 } 641 }
752 642
753 return count; 643 return count;
754} 644}
755 645
… …
773 last_col = ncol; 663 last_col = ncol;
774 664
775 if (nlines > 0) 665 if (nlines > 0)
776 { 666 {
777 nlines += screen.cur.row - screen.bscroll; 667 nlines += screen.cur.row - screen.bscroll;
778 if ((nlines > 0) 668 if (nlines > 0
779 && (screen.tscroll == 0) 669 && screen.tscroll == 0
780 && (screen.bscroll == (nrow - 1))) 670 && screen.bscroll == (nrow - 1))
781 { 671 {
782 /* _at least_ this many lines need to be scrolled */ 672 /* _at least_ this many lines need to be scrolled */
783 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 673 scr_scroll_text (screen.tscroll, screen.bscroll, nlines);
784 screen.cur.row -= nlines; 674 screen.cur.row -= nlines;
785 } 675 }
786 } 676 }
787 677
788#ifdef DEBUG_STRICT 678#ifdef DEBUG_STRICT
789 assert (screen.cur.col < last_col); 679 assert (screen.cur.col < last_col);
790 assert ((screen.cur.row < nrow) 680 assert (screen.cur.row < nrow
791 && (screen.cur.row >= - (int32_t)nsaved)); 681 && screen.cur.row >= -nsaved);
792#else /* drive with your eyes closed */ 682#else /* drive with your eyes closed */
793 MIN_IT (screen.cur.col, last_col - 1); 683 min_it (screen.cur.col, last_col - 1);
794 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 684 clamp_it (screen.cur.row, -nsaved, nrow - 1);
795 MAX_IT (screen.cur.row, - (int32_t)nsaved);
796#endif 685#endif
797 row = screen.cur.row; 686 row = screen.cur.row;
798 687
799 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 688 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
800 689
… …
806 695
807 if (c < 0x20) 696 if (c < 0x20)
808 if (c == C0_LF) 697 if (c == C0_LF)
809 { 698 {
810 if (!line->is_longer ()) /* XXX: think about this */ 699 if (!line->is_longer ()) /* XXX: think about this */
811 MAX_IT (line->l, screen.cur.col); 700 max_it (line->l, screen.cur.col);
812 701
813 screen.flags &= ~Screen_WrapNext; 702 screen.flags &= ~Screen_WrapNext;
814 703
815 if (screen.cur.row == screen.bscroll) 704 if (screen.cur.row == screen.bscroll)
816 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 705 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
817 else if (screen.cur.row < (nrow - 1)) 706 else if (screen.cur.row < (nrow - 1))
818 row = ++screen.cur.row; 707 row = ++screen.cur.row;
819 708
820 line = &ROW(row); /* _must_ refresh */ 709 line = &ROW(row); /* _must_ refresh */
821 continue; 710 continue;
822 } 711 }
823 else if (c == C0_CR) 712 else if (c == C0_CR)
824 { 713 {
825 if (!line->is_longer ()) /* XXX: think about this */ 714 if (!line->is_longer ()) /* XXX: think about this */
826 MAX_IT (line->l, screen.cur.col); 715 max_it (line->l, screen.cur.col);
827 716
828 screen.flags &= ~Screen_WrapNext; 717 screen.flags &= ~Screen_WrapNext;
829 screen.cur.col = 0; 718 screen.cur.col = 0;
830 continue; 719 continue;
831 } 720 }
… …
1007#endif 896#endif
1008 } 897 }
1009 } 898 }
1010 899
1011 if (!line->is_longer ()) /* XXX: think about this */ 900 if (!line->is_longer ()) /* XXX: think about this */
1012 MAX_IT (line->l, screen.cur.col); 901 max_it (line->l, screen.cur.col);
1013 902
1014#ifdef DEBUG_STRICT 903#ifdef DEBUG_STRICT
1015 assert (screen.cur.row >= 0); 904 assert (screen.cur.row >= 0);
1016#else /* drive with your eyes closed */ 905#else /* drive with your eyes closed */
1017 MAX_IT (screen.cur.row, 0); 906 max_it (screen.cur.row, 0);
1018#endif 907#endif
1019} 908}
1020 909
1021/* ------------------------------------------------------------------------- */ 910/* ------------------------------------------------------------------------- */
1022/* 911/*
… …
1088 if (ht && options & Opt_pastableTabs) 977 if (ht && options & Opt_pastableTabs)
1089 { 978 {
1090 base_rend = SET_FONT (base_rend, 0); 979 base_rend = SET_FONT (base_rend, 0);
1091 980
1092 if (!l.is_longer ()) /* XXX: think about this */ 981 if (!l.is_longer ()) /* XXX: think about this */
1093 MAX_IT (l.l, x); 982 max_it (l.l, x);
1094 983
1095 i = screen.cur.col; 984 i = screen.cur.col;
1096 985
1097 l.t[i] = '\t'; 986 l.t[i] = '\t';
1098 l.r[i] = base_rend; 987 l.r[i] = base_rend;
… …
1177{ 1066{
1178 want_refresh = 1; 1067 want_refresh = 1;
1179 ZERO_SCROLLBACK (); 1068 ZERO_SCROLLBACK ();
1180 1069
1181 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1070 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1182 MAX_IT (screen.cur.col, 0); 1071 clamp_it (screen.cur.col, 0, ncol - 1);
1183 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1184 1072
1185 screen.flags &= ~Screen_WrapNext; 1073 screen.flags &= ~Screen_WrapNext;
1186 1074
1187 if (relative & R_RELATIVE) 1075 if (relative & R_RELATIVE)
1188 { 1076 {
… …
1206 else 1094 else
1207 { 1095 {
1208 if (screen.flags & Screen_Relative) 1096 if (screen.flags & Screen_Relative)
1209 { /* relative origin mode */ 1097 { /* relative origin mode */
1210 screen.cur.row = row + screen.tscroll; 1098 screen.cur.row = row + screen.tscroll;
1211 MIN_IT (screen.cur.row, screen.bscroll); 1099 min_it (screen.cur.row, screen.bscroll);
1212 } 1100 }
1213 else 1101 else
1214 screen.cur.row = row; 1102 screen.cur.row = row;
1215 } 1103 }
1216 1104
1217 MAX_IT (screen.cur.row, 0); 1105 clamp_it (screen.cur.row, 0, nrow - 1);
1218 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1219} 1106}
1220 1107
1221/* ------------------------------------------------------------------------- */ 1108/* ------------------------------------------------------------------------- */
1222/* 1109/*
1223 * direction should be UP or DN 1110 * direction should be UP or DN
… …
1234 1121
1235 screen.flags &= ~Screen_WrapNext; 1122 screen.flags &= ~Screen_WrapNext;
1236 1123
1237 if ((screen.cur.row == screen.bscroll && direction == UP) 1124 if ((screen.cur.row == screen.bscroll && direction == UP)
1238 || (screen.cur.row == screen.tscroll && direction == DN)) 1125 || (screen.cur.row == screen.tscroll && direction == DN))
1239 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1126 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1240 else 1127 else
1241 screen.cur.row += dirn; 1128 screen.cur.row += dirn;
1242 1129
1243 MAX_IT (screen.cur.row, 0); 1130 clamp_it (screen.cur.row, 0, nrow - 1);
1244 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1245 selection_check (0); 1131 selection_check (0);
1246} 1132}
1247 1133
1248/* ------------------------------------------------------------------------- */ 1134/* ------------------------------------------------------------------------- */
1249/* 1135/*
… …
1267 switch (mode) 1153 switch (mode)
1268 { 1154 {
1269 case 0: /* erase to end of line */ 1155 case 0: /* erase to end of line */
1270 col = screen.cur.col; 1156 col = screen.cur.col;
1271 num = ncol - col; 1157 num = ncol - col;
1272 MIN_IT (ROW(row).l, (int16_t)col); 1158 min_it (ROW(row).l, col);
1273 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1159 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1274 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1160 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1275 CLEAR_SELECTION (); 1161 CLEAR_SELECTION ();
1276 break; 1162 break;
1277 case 1: /* erase to beginning of line */ 1163 case 1: /* erase to beginning of line */
… …
1305 */ 1191 */
1306void 1192void
1307rxvt_term::scr_erase_screen (int mode) 1193rxvt_term::scr_erase_screen (int mode)
1308{ 1194{
1309 int num; 1195 int num;
1310 int32_t row, row_offset; 1196 int32_t row;
1311 rend_t ren; 1197 rend_t ren;
1312 XGCValues gcvalue; 1198 XGCValues gcvalue;
1313 1199
1314 want_refresh = 1; 1200 want_refresh = 1;
1315 ZERO_SCROLLBACK (); 1201 ZERO_SCROLLBACK ();
1316
1317 row_offset = (int32_t)saveLines;
1318 1202
1319 switch (mode) 1203 switch (mode)
1320 { 1204 {
1321 case 0: /* erase to end of screen */ 1205 case 0: /* erase to end of screen */
1322 selection_check (1); 1206 selection_check (1);
… …
1346 CLEAR_SELECTION (); 1230 CLEAR_SELECTION ();
1347 1231
1348 if (row >= nrow) /* Out Of Bounds */ 1232 if (row >= nrow) /* Out Of Bounds */
1349 return; 1233 return;
1350 1234
1351 MIN_IT (num, (nrow - row)); 1235 min_it (num, nrow - row);
1352 1236
1353 if (rstyle & (RS_RVid | RS_Uline)) 1237 if (rstyle & (RS_RVid | RS_Uline))
1354 ren = (rend_t) ~RS_None; 1238 ren = (rend_t) ~RS_None;
1355 else if (GET_BASEBG (rstyle) == Color_bg) 1239 else if (GET_BASEBG (rstyle) == Color_bg)
1356 { 1240 {
… …
1367 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1251 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1368 } 1252 }
1369 1253
1370 for (; num--; row++) 1254 for (; num--; row++)
1371 { 1255 {
1372 scr_blank_screen_mem (save[row + row_offset], rstyle); 1256 scr_blank_screen_mem (ROW (row), rstyle);
1373 save[row + row_offset].l = 0; 1257 ROW (row).l = 0;
1374 scr_blank_line (drawn[row], 0, ncol, ren); 1258 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1375 } 1259 }
1376} 1260}
1377 1261
1378#if ENABLE_FRILLS 1262#if ENABLE_FRILLS
1379void 1263void
… …
1392 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1276 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1393 */ 1277 */
1394void 1278void
1395rxvt_term::scr_E () 1279rxvt_term::scr_E ()
1396{ 1280{
1397 int i, j, k;
1398 rend_t *r1, fs; 1281 rend_t fs;
1399 1282
1400 want_refresh = 1; 1283 want_refresh = 1;
1401 ZERO_SCROLLBACK (); 1284 ZERO_SCROLLBACK ();
1402 1285
1403 num_scr_allow = 0; 1286 num_scr_allow = 0;
1404 selection_check (3); 1287 selection_check (3);
1405 1288
1406 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1289 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1407 for (k = saveLines, i = nrow; i--; k++) 1290 for (int row = nrow; row--; )
1408 { 1291 {
1409 line_t &line = save[k]; 1292 line_t &line = ROW(row);
1410 1293
1411 fill_text (line.t, 'E', ncol); 1294 fill_text (line.t, 'E', ncol);
1295 rend_t *r1 = line.r;
1412 1296
1413 for (r1 = line.r, j = ncol; j--; ) 1297 for (int j = ncol; j--; )
1414 *r1++ = fs; 1298 *r1++ = fs;
1415 1299
1416 line.l = ncol; /* make the `E's selectable */ 1300 line.l = ncol; /* make the `E's selectable */
1417 } 1301 }
1418} 1302}
… …
1442 count = end; 1326 count = end;
1443 } 1327 }
1444 1328
1445 scr_do_wrap (); 1329 scr_do_wrap ();
1446 1330
1447 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1331 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1448} 1332}
1449 1333
1450/* ------------------------------------------------------------------------- */ 1334/* ------------------------------------------------------------------------- */
1451/* 1335/*
1452 * Insert/Delete <count> characters from the current position 1336 * Insert/Delete <count> characters from the current position
… …
1464 return; 1348 return;
1465 1349
1466 scr_do_wrap (); 1350 scr_do_wrap ();
1467 1351
1468 selection_check (1); 1352 selection_check (1);
1469 MIN_IT (count, (ncol - screen.cur.col)); 1353 min_it (count, ncol - screen.cur.col);
1470 1354
1471 row = screen.cur.row + saveLines; 1355 row = screen.cur.row;
1472 1356
1473 line_t *line = save + row; 1357 line_t *line = &ROW(row);
1474 1358
1475 switch (insdel) 1359 switch (insdel)
1476 { 1360 {
1477 case INSERT: 1361 case INSERT:
1478 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1362 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
… …
1482 } 1366 }
1483 1367
1484 if (!line->is_longer ()) 1368 if (!line->is_longer ())
1485 { 1369 {
1486 line->l += count; 1370 line->l += count;
1487 MIN_IT (line->l, ncol); 1371 min_it (line->l, ncol);
1488 } 1372 }
1489 1373
1490 if (selection.op && current_screen == selection.screen 1374 if (selection.op && current_screen == selection.screen
1491 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1375 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1492 { 1376 {
… …
1499 selection.mark.col += count; /* XXX: yes? */ 1383 selection.mark.col += count; /* XXX: yes? */
1500 selection.end.col += count; 1384 selection.end.col += count;
1501 } 1385 }
1502 } 1386 }
1503 1387
1504 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1388 scr_blank_line (*line, screen.cur.col, count, rstyle);
1505 break; 1389 break;
1506 1390
1507 case ERASE: 1391 case ERASE:
1508 screen.cur.col += count; /* don't worry if > ncol */ 1392 screen.cur.col += count; /* don't worry if > ncol */
1509 selection_check (1); 1393 selection_check (1);
1510 screen.cur.col -= count; 1394 screen.cur.col -= count;
1511 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1395 scr_blank_line (*line, screen.cur.col, count, rstyle);
1512 break; 1396 break;
1513 1397
1514 case DELETE: 1398 case DELETE:
1515 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1399 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1516 1400
… …
1523 scr_blank_line (*line, ncol - count, count, tr); 1407 scr_blank_line (*line, ncol - count, count, tr);
1524 1408
1525 if (line->is_longer ()) /* break line continuation */ 1409 if (line->is_longer ()) /* break line continuation */
1526 line->l = ncol; 1410 line->l = ncol;
1527 1411
1528 line->l -= count; 1412 line->l = max (line->l - count, 0);
1529 MAX_IT (line->l, 0);
1530 1413
1531 if (selection.op && current_screen == selection.screen 1414 if (selection.op && current_screen == selection.screen
1532 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1415 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1533 { 1416 {
1534 if (selection.end.row != screen.cur.row 1417 if (selection.end.row != screen.cur.row
… …
1554 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1437 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1555 */ 1438 */
1556void 1439void
1557rxvt_term::scr_scroll_region (int top, int bot) 1440rxvt_term::scr_scroll_region (int top, int bot)
1558{ 1441{
1559 MAX_IT (top, 0); 1442 max_it (top, 0);
1560 MIN_IT (bot, (int)nrow - 1); 1443 min_it (bot, nrow - 1);
1561 1444
1562 if (top > bot) 1445 if (top > bot)
1563 return; 1446 return;
1564 1447
1565 screen.tscroll = top; 1448 screen.tscroll = top;
… …
1663 XGCValues gcvalue; 1546 XGCValues gcvalue;
1664 1547
1665 if (rvideo != mode) 1548 if (rvideo != mode)
1666 { 1549 {
1667 rvideo = mode; 1550 rvideo = mode;
1668 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1551 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1669#if XPM_BACKGROUND 1552#if XPM_BACKGROUND
1670 if (bgPixmap.pixmap == None) 1553 if (bgPixmap.pixmap == None)
1671#endif 1554#endif
1672#if TRANSPARENT 1555#if TRANSPARENT
1673 if (! (options & Opt_transparent) || am_transparent == 0) 1556 if (! (options & Opt_transparent) || am_transparent == 0)
… …
1769 bool found = false; 1652 bool found = false;
1770 1653
1771 for (int i = 0; i < nrow; i++) 1654 for (int i = 0; i < nrow; i++)
1772 { 1655 {
1773 int col = 0; 1656 int col = 0;
1774 rend_t *drp = drawn[i].r; 1657 rend_t *drp = drawn_buf[i].r;
1775 1658
1776 for (; col < ncol; col++, drp++) 1659 for (; col < ncol; col++, drp++)
1777 if ((*drp & mask) == value) 1660 if ((*drp & mask) == value)
1778 { 1661 {
1779 found = true; 1662 found = true;
… …
1797rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1680rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)
1798{ 1681{
1799 int i; 1682 int i;
1800 row_col_t rc[RC_COUNT]; 1683 row_col_t rc[RC_COUNT];
1801 1684
1802 if (!drawn) /* sanity check */ 1685 if (!drawn_buf) /* sanity check */
1803 return; 1686 return;
1804 1687
1805#ifndef NO_SLOW_LINK_SUPPORT 1688#ifndef NO_SLOW_LINK_SUPPORT
1806 if (refresh_type == FAST_REFRESH && !display->is_local) 1689 if (refresh_type == FAST_REFRESH && !display->is_local)
1807 { 1690 {
… …
1809 eheight = height; 1692 eheight = height;
1810 } 1693 }
1811#endif 1694#endif
1812 1695
1813#ifdef DEBUG_STRICT 1696#ifdef DEBUG_STRICT
1814 x = max (x, 0); 1697#if 0
1815 x = min (x, (int)width); 1698 // that's not debugging //TODO //FIXME
1816 y = max (y, 0); 1699 clamp_it (x, 0, width);
1817 y = min (y, (int)height); 1700 clamp_it (y, 0, height);
1701#endif
1818#endif 1702#endif
1819 1703
1820 /* round down */ 1704 /* round down */
1821 rc[PART_BEG].col = Pixel2Col (x); 1705 rc[PART_BEG].col = Pixel2Col (x);
1822 rc[PART_BEG].row = Pixel2Row (y); 1706 rc[PART_BEG].row = Pixel2Row (y);
… …
1825 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1709 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1826 1710
1827 /* sanity checks */ 1711 /* sanity checks */
1828 for (i = PART_BEG; i < RC_COUNT; i++) 1712 for (i = PART_BEG; i < RC_COUNT; i++)
1829 { 1713 {
1830 MIN_IT (rc[i].col, ncol - 1); 1714 min_it (rc[i].col, ncol - 1);
1831 MIN_IT (rc[i].row, nrow - 1); 1715 min_it (rc[i].row, nrow - 1);
1832 } 1716 }
1833 1717
1834 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1718 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1835 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1719 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1836 1720
1837 if (refresh) 1721 if (refresh)
1838 scr_refresh (SLOW_REFRESH); 1722 scr_refresh (SLOW_REFRESH);
1839} 1723}
1840 1724
… …
1941/* ARGSUSED */ 1825/* ARGSUSED */
1942void 1826void
1943rxvt_term::scr_printscreen (int fullhist) 1827rxvt_term::scr_printscreen (int fullhist)
1944{ 1828{
1945#ifdef PRINTPIPE 1829#ifdef PRINTPIPE
1946 int i, r1, nrows, row_offset; 1830 int nrows, row_start;
1947 FILE *fd; 1831 FILE *fd;
1948 1832
1949 if ((fd = popen_printer ()) == NULL) 1833 if ((fd = popen_printer ()) == NULL)
1950 return; 1834 return;
1951 1835
1952 nrows = nrow;
1953 row_offset = saveLines;
1954
1955 if (!fullhist) 1836 if (fullhist)
1956 row_offset -= view_start; 1837 {
1838 nrows = nrow + nsaved;
1839 row_start = -nsaved;
1840 }
1957 else 1841 else
1958 { 1842 {
1959 nrows += nsaved; 1843 nrows = nrow;
1960 row_offset -= nsaved; 1844 row_start = -view_start;
1961 } 1845 }
1962 1846
1963 wctomb (0, 0); 1847 wctomb (0, 0);
1964 1848
1965 for (r1 = 0; r1 < nrows; r1++) 1849 for (int r1 = 0; r1 < nrows; r1++)
1966 { 1850 {
1967 text_t *tp = save[r1 + row_offset].t; 1851 text_t *tp = ROW(r1).t;
1968 int len = save[r1 + row_offset].l; 1852 int len = ROW(r1).l;
1969 1853
1970 for (i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 1854 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1971 { 1855 {
1972 char mb[MB_LEN_MAX]; 1856 char mb[MB_LEN_MAX];
1973 text_t t = *tp++; 1857 text_t t = *tp++;
1974 if (t == NOCHAR) 1858 if (t == NOCHAR)
1975 continue; 1859 continue;
… …
2003{ 1887{
2004 unsigned char must_clear, /* use draw_string not draw_image_string */ 1888 unsigned char must_clear, /* use draw_string not draw_image_string */
2005 showcursor; /* show the cursor */ 1889 showcursor; /* show the cursor */
2006 int16_t col, row, /* column/row we're processing */ 1890 int16_t col, row, /* column/row we're processing */
2007 ocrow; /* old cursor row */ 1891 ocrow; /* old cursor row */
2008 int i, /* tmp */ 1892 int i; /* tmp */
2009 row_offset; /* basic offset in screen structure */
2010#ifndef NO_CURSORCOLOR 1893#ifndef NO_CURSORCOLOR
2011 rend_t cc1; /* store colours at cursor position (s) */ 1894 rend_t cc1; /* store colours at cursor position (s) */
2012#endif 1895#endif
2013 rend_t *crp; // cursor rendition pointer 1896 rend_t *crp; // cursor rendition pointer
2014 1897
… …
2020 /* 1903 /*
2021 * A: set up vars 1904 * A: set up vars
2022 */ 1905 */
2023 must_clear = 0; 1906 must_clear = 0;
2024 refresh_count = 0; 1907 refresh_count = 0;
2025
2026 row_offset = term_start - view_start;
2027 1908
2028#if XPM_BACKGROUND 1909#if XPM_BACKGROUND
2029 must_clear |= bgPixmap.pixmap != None; 1910 must_clear |= bgPixmap.pixmap != None;
2030#endif 1911#endif
2031#if TRANSPARENT 1912#if TRANSPARENT
… …
2101 if (screen.cur.row + view_start != ocrow 1982 if (screen.cur.row + view_start != ocrow
2102 || screen.cur.col != oldcursor.col) 1983 || screen.cur.col != oldcursor.col)
2103 { 1984 {
2104 if (ocrow < nrow 1985 if (ocrow < nrow
2105 && oldcursor.col < ncol) 1986 && oldcursor.col < ncol)
2106 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 1987 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2107 1988
2108 if (focus || !showcursor) 1989 if (focus || !showcursor)
2109 oldcursor.row = -1; 1990 oldcursor.row = -1;
2110 else 1991 else
2111 setoldcursor = 1; 1992 setoldcursor = 1;
… …
2135 * D: CopyArea pass - very useful for slower links 2016 * D: CopyArea pass - very useful for slower links
2136 * This has been deliberately kept simple. 2017 * This has been deliberately kept simple.
2137 */ 2018 */
2138 i = num_scr; 2019 i = num_scr;
2139 if (!display->is_local 2020 if (!display->is_local
2140 && refresh_type == FAST_REFRESH && num_scr_allow && i 2021 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2141 && abs (i) < nrow && !must_clear) 2022 && abs (num_scr) < nrow && !must_clear)
2142 { 2023 {
2143 int16_t nits; 2024 int16_t nits;
2144 int j; 2025 int j;
2145 int len, wlen; 2026 int len, wlen;
2146 2027
… …
2149 row = i > 0 ? 0 : j - 1; 2030 row = i > 0 ? 0 : j - 1;
2150 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2031 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2151 { 2032 {
2152 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2033 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2153 { 2034 {
2154 line_t s = save[(row + row_offset) % nlines]; 2035 line_t s = ROW(row - view_start);
2155 line_t d = drawn[row]; 2036 line_t d = drawn_buf[row];
2156 line_t d2 = drawn[row + i]; 2037 line_t d2 = drawn_buf[row + i];
2157 2038
2158 for (nits = 0, col = ncol; col--; ) 2039 for (nits = 0, col = ncol; col--; )
2159 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2040 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2160 nits--; 2041 nits--;
2161 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2042 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
… …
2179 2060
2180 if (len != -1) 2061 if (len != -1)
2181 { 2062 {
2182 /* also comes here at end if needed because of >= above */ 2063 /* also comes here at end if needed because of >= above */
2183 if (wlen < len) 2064 if (wlen < len)
2184 SWAP_IT (wlen, len, int); 2065 ::swap (wlen, len);
2185 2066
2186 XCopyArea (display->display, vt, vt, 2067 XCopyArea (display->display, vt, vt,
2187 gc, 0, Row2Pixel (len + i), 2068 gc, 0, Row2Pixel (len + i),
2188 (unsigned int)TermWin_TotalWidth (), 2069 (unsigned int)TermWin_TotalWidth (),
2189 (unsigned int)Height2Pixel (wlen - len + 1), 2070 (unsigned int)Height2Pixel (wlen - len + 1),
… …
2197 /* 2078 /*
2198 * E: main pass across every character 2079 * E: main pass across every character
2199 */ 2080 */
2200 for (row = 0; row < nrow; row++) 2081 for (row = 0; row < nrow; row++)
2201 { 2082 {
2202 text_t *stp = save[(row + row_offset) % total_rows].t; 2083 text_t *stp = ROW(row - view_start).t;
2203 rend_t *srp = save[(row + row_offset) % total_rows].r; 2084 rend_t *srp = ROW(row - view_start).r;
2204 text_t *dtp = drawn[row].t; 2085 text_t *dtp = drawn_buf[row].t;
2205 rend_t *drp = drawn[row].r; 2086 rend_t *drp = drawn_buf[row].r;
2206 2087
2207 /* 2088 /*
2208 * E2: OK, now the real pass 2089 * E2: OK, now the real pass
2209 */ 2090 */
2210 int ypixel = (int)Row2Pixel (row); 2091 int ypixel = (int)Row2Pixel (row);
… …
2321 fore = Color_UL; 2202 fore = Color_UL;
2322#endif 2203#endif
2323 2204
2324 if (invert) 2205 if (invert)
2325 { 2206 {
2326 SWAP_IT (fore, back, int); 2207 ::swap (fore, back);
2327 2208
2328#ifndef NO_BOLD_UNDERLINE_REVERSE 2209#ifndef NO_BOLD_UNDERLINE_REVERSE
2329 if (ISSET_PIXCOLOR (Color_RV)) 2210 if (ISSET_PIXCOLOR (Color_RV))
2330 back = Color_RV; 2211 back = Color_RV;
2331 2212
… …
2423 2304
2424 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2305 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2425 col--; 2306 col--;
2426 2307
2427 while (col + cursorwidth < ncol 2308 while (col + cursorwidth < ncol
2428 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2309 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2429 cursorwidth++; 2310 cursorwidth++;
2430 2311
2431#ifndef NO_CURSORCOLOR 2312#ifndef NO_CURSORCOLOR
2432 if (ISSET_PIXCOLOR (Color_cursor)) 2313 if (ISSET_PIXCOLOR (Color_cursor))
2433 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2314 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
… …
2465 2346
2466void 2347void
2467rxvt_term::scr_remap_chars () 2348rxvt_term::scr_remap_chars ()
2468{ 2349{
2469 for (int i = total_rows; i--; ) 2350 for (int i = total_rows; i--; )
2470 scr_remap_chars (save[i]); 2351 scr_remap_chars (row_buf [i]);
2471 2352
2472 for (int i = nrow; i--; ) 2353 for (int i = nrow; i--; )
2473 { 2354 {
2474 scr_remap_chars (drawn[i]); 2355 scr_remap_chars (drawn_buf [i]);
2475 scr_remap_chars (swap_save[i]); 2356 scr_remap_chars (swap_buf [i]);
2476 } 2357 }
2477} 2358}
2478 2359
2479void 2360void
2480rxvt_term::scr_recolour () 2361rxvt_term::scr_recolour ()
… …
2577 char r1[] = "\n"; 2458 char r1[] = "\n";
2578 2459
2579 for (row = saveLines - nsaved; 2460 for (row = saveLines - nsaved;
2580 row < saveLines + nrow - 1; row++) 2461 row < saveLines + nrow - 1; row++)
2581 { 2462 {
2582 width = save[row].l >= 0 ? save[row].l 2463 width = row_buf[row].l >= 0 ? row_buf[row].l
2583 : ncol; 2464 : ncol;
2584 for (towrite = width; towrite; towrite -= wrote) 2465 for (towrite = width; towrite; towrite -= wrote)
2585 { 2466 {
2586 wrote = write (fd, & (save[row].t[width - towrite]), 2467 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2587 towrite); 2468 towrite);
2588 if (wrote < 0) 2469 if (wrote < 0)
2589 return; /* XXX: death, no report */ 2470 return; /* XXX: death, no report */
2590 } 2471 }
2591 if (save[row].l >= 0) 2472 if (row_buf[row].l >= 0)
2592 if (write (fd, r1, 1) <= 0) 2473 if (write (fd, r1, 1) <= 0)
2593 return; /* XXX: death, no report */ 2474 return; /* XXX: death, no report */
2594 } 2475 }
2595} 2476}
2596#endif 2477#endif
… …
3073 want_refresh = 1; 2954 want_refresh = 1;
3074 2955
3075 selection.mark.row = row - view_start; 2956 selection.mark.row = row - view_start;
3076 selection.mark.col = col; 2957 selection.mark.col = col;
3077 2958
3078 selection.mark.row = min (max (selection.mark.row, -nsaved), nrow - 1); 2959 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);
3079 selection.mark.col = min (max (selection.mark.col, 0), ncol - 1); 2960 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3080 2961
3081 while (selection.mark.col > 0 2962 while (selection.mark.col > 0
3082 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 2963 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3083 --selection.mark.col; 2964 --selection.mark.col;
3084 2965
… …
3189 * flag == 2 ==> button 3 motion 3070 * flag == 2 ==> button 3 motion
3190 */ 3071 */
3191void 3072void
3192rxvt_term::selection_extend (int x, int y, int flag) 3073rxvt_term::selection_extend (int x, int y, int flag)
3193{ 3074{
3194 int col = min (max (Pixel2Col (x), 0), nrow - 1); 3075 int col = clamp (Pixel2Col (x), 0, ncol);
3195 int row = min (max (Pixel2Row (y), 0), ncol); 3076 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3196 3077
3197 /* 3078 /*
3198 * If we're selecting characters (single click) then we must check first 3079 * If we're selecting characters (single click) then we must check first
3199 * if we are at the same place as the original mark. If we are then 3080 * if we are at the same place as the original mark. If we are then
3200 * select nothing. Otherwise, if we're to the right of the mark, you have to 3081 * select nothing. Otherwise, if we're to the right of the mark, you have to
… …
3371 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3252 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3372 { 3253 {
3373 if (!ROW(end_row).is_longer ()) 3254 if (!ROW(end_row).is_longer ())
3374 { 3255 {
3375 selection.end.row = end_row; 3256 selection.end.row = end_row;
3376 selection.end.col = save[end_row + saveLines].l; 3257 selection.end.col = ROW(end_row).l;
3377 selection_remove_trailing_spaces (); 3258 selection_remove_trailing_spaces ();
3378 break; 3259 break;
3379 } 3260 }
3380 } 3261 }
3381 } 3262 }
… …
3413 } 3294 }
3414 } 3295 }
3415 3296
3416#if ENABLE_FRILLS 3297#if ENABLE_FRILLS
3417 if (selection.rect && selection.beg.col > selection.end.col) 3298 if (selection.rect && selection.beg.col > selection.end.col)
3418 SWAP_IT (selection.beg.col, selection.end.col, int); 3299 ::swap (selection.beg.col, selection.end.col);
3419#endif 3300#endif
3420} 3301}
3421 3302
3422#if ENABLE_FRILLS 3303#if ENABLE_FRILLS
3423void 3304void
… …
3621 */ 3502 */
3622void 3503void
3623rxvt_term::pixel_position (int *x, int *y) 3504rxvt_term::pixel_position (int *x, int *y)
3624{ 3505{
3625 *x = Pixel2Col (*x); 3506 *x = Pixel2Col (*x);
3626 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3507 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3627 *y = Pixel2Row (*y); 3508 *y = Pixel2Row (*y);
3628 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3509 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3629} 3510}
3630 3511
3631/* ------------------------------------------------------------------------- */ 3512/* ------------------------------------------------------------------------- */
3632#ifdef USE_XIM 3513#ifdef USE_XIM
3633void 3514void
… …
3655 3536
3656 if (x < 0) x = ncol - w; 3537 if (x < 0) x = ncol - w;
3657 if (y < 0) y = nrow - h; 3538 if (y < 0) y = nrow - h;
3658 3539
3659 // make space for border 3540 // make space for border
3660 w += 2; MIN_IT (w, ncol); 3541 w += 2; min_it (w, ncol);
3661 h += 2; MIN_IT (h, nrow); 3542 h += 2; min_it (h, nrow);
3662 3543
3663 x -= 1; MAX_IT (x, 0); 3544 x -= 1; clamp_it (x, 0, ncol - w);
3664 y -= 1; MAX_IT (y, 0); 3545 y -= 1; clamp_it (y, 0, nrow - h);
3665
3666 MIN_IT (x, ncol - w);
3667 MIN_IT (y, nrow - h);
3668 3546
3669 ov_x = x; ov_y = y; 3547 ov_x = x; ov_y = y;
3670 ov_w = w; ov_h = h; 3548 ov_w = w; ov_h = h;
3671 3549
3672 ov_text = new text_t *[h]; 3550 ov_text = new text_t *[h];

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