ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/screen.C
(Generate patch)

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.204 by root, Mon Jan 2 15:35:43 2006 UTC vs.
Revision 1.249 by root, Wed Jan 25 00:42:21 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.
… …
115 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
116 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
117 117
118/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
119void 119void
120rxvt_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
121{ 121{
122 if (!l.t) 122 if (!l.t)
123 { 123 {
124 lalloc (l); 124 lalloc (l);
125 col = 0; 125 col = 0;
126 width = ncol; 126 width = ncol;
127 } 127 }
128 128
129 l.touch ();
130
129 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
130 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
131 133
132 text_t *et = l.t + col; 134 text_t *et = l.t + col;
133 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
… …
140} 142}
141 143
142/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
143/* 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 */
144void 146void
145rxvt_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
146{ 148{
147 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
148} 153}
149 154
150/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
151 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
152 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
… …
168 nrow = 24; 173 nrow = 24;
169 174
170 if (ncol == prev_ncol && nrow == prev_nrow) 175 if (ncol == prev_ncol && nrow == prev_nrow)
171 return; 176 return;
172 177
178 if (current_screen != PRIMARY)
179 scr_swap_screen ();
180
173 // we need at least two lines for wrapping to work correctly 181 // we need at least two lines for wrapping to work correctly
174 if (nrow + saveLines < 2) 182 while (nrow + saveLines < 2)
175 { 183 {
176 //TODO//FIXME 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;
… …
189 197
190 if (!row_buf) 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 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 209 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
203 temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
204 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 210 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 211 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 212
207 for (int row = nrow; row--; ) 213 for (int row = nrow; row--; )
208 { 214 {
209 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 215 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
210 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 216 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
… …
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
… …
255 } 260 }
256 } 261 }
257#endif 262#endif
258 263
259 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t)); 264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
260 temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
261 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t)); 265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262 266
263 for (int row = min (nrow, prev_nrow); row--; ) 267 for (int row = min (nrow, prev_nrow); row--; )
264 { 268 {
265 lresize (drawn_buf[row]); 269 lresize (drawn_buf[row]);
… …
270 { 274 {
271 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
272 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); 276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
273 } 277 }
274 278
279 line_t *old_buf = row_buf;
275 line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 280 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
276 281
277 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
278 int pend = MOD (term_start - nsaved , prev_total_rows); 283 int pend = MOD (term_start + top_row , prev_total_rows);
279 int q = total_rows; // rewrapped row 284 int q = total_rows; // rewrapped row
280 285
281 if (nsaved) 286 if (top_row)
282 { 287 {
283 // re-wrap lines, this is rather ugly, possibly because I am too dumb 288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
284 // to come up with a lean and mean algorithm. 289 // to come up with a lean and mean algorithm.
285 290
286 row_col_t ocur = screen.cur; 291 row_col_t ocur = screen.cur;
287 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 292 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
288 293
… …
290 { 295 {
291 p = MOD (p - 1, prev_total_rows); 296 p = MOD (p - 1, prev_total_rows);
292#ifdef DEBUG_STRICT 297#ifdef DEBUG_STRICT
293 assert (old_buf [MOD (p, prev_total_rows)].t); 298 assert (old_buf [MOD (p, prev_total_rows)].t);
294#endif 299#endif
295
296 int plines = 1; 300 int plines = 1;
297 int llen = old_buf [MOD (p, prev_total_rows)].l; 301 int llen = old_buf [MOD (p, prev_total_rows)].l;
298 302
299 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 303 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
300 { 304 {
… …
318 // re-assemble the full line by destination lines 322 // re-assemble the full line by destination lines
319 for (int qrow = q; qlines--; qrow++) 323 for (int qrow = q; qlines--; qrow++)
320 { 324 {
321 qline = row_buf + qrow; 325 qline = row_buf + qrow;
322 lalloc (*qline); 326 lalloc (*qline);
327 qline->l = ncol;
323 qline->set_is_longer (); 328 qline->is_longer (1);
324 329
325 int qcol = 0; 330 int qcol = 0;
326 331
332 // see below for cursor adjustment rationale
333 if (p == ocur.row)
334 screen.cur.row = q - (total_rows - nrow);
335
327 // fill a single destination line 336 // fill a single destination line
328 while (lofs < llen && qcol < ncol) 337 while (lofs < llen && qcol < ncol)
329 { 338 {
330 int prow = lofs / prev_ncol; 339 int prow = lofs / prev_ncol;
331 int pcol = lofs % prev_ncol; 340 int pcol = lofs % prev_ncol;
… …
341 350
342 line_t &pline = old_buf [prow]; 351 line_t &pline = old_buf [prow];
343 352
344 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 353 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
345 354
346 assert (len);
347 assert (pline.t);
348
349 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 355 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
350 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 356 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
351 357
352 lofs += len; 358 lofs += len;
353 qcol += len; 359 qcol += len;
354 } 360 }
355 } 361 }
356 362
357 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; 363 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
358#ifdef DEBUG_STRICT //TODO//FIXME//TEMPORARY 364 qline->is_longer (0);
359 if (qline->l < 0)
360 {
361 fprintf (stderr, "ERROR, PLEASE REPORT to rxvt-unicode@plan9.de: qline->l %d = llen %d < ncol %d ? %d : MOD %d\n", qline->l,llen,ncol,llen,MOD (llen - 1, ncol) + 1);//D
362 qline->l = 0;
363 }
364#endif
365 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 365 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
366 } 366 }
367 while (p != pend && q > 0); 367 while (p != pend && q > 0);
368 368
369 term_start = total_rows - nrow; 369 term_start = total_rows - nrow;
370 nsaved = term_start - q; 370 top_row = q - term_start;
371 371
372 // make sure all terminal lines exist 372 // make sure all terminal lines exist
373 while (nsaved < 0) 373 while (top_row > 0)
374 scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE); 374 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
375
376 } 375 }
377 else 376 else
378 { 377 {
379 // if no scrollback exists (yet), wing, instead of wrap 378 // if no scrollback exists (yet), wing, instead of wrap
380 379
… …
393 } 392 }
394 393
395 term_start = 0; 394 term_start = 0;
396 } 395 }
397 396
398#ifdef DEBUG_STRICT //TODO: remove
399 for (int i = -nsaved; i < nrow; i++)
400 assert (ROW (i).t);
401#endif
402
403 free (old_buf); 397 free (old_buf);
404 delete old_ta; 398 delete old_ta;
405 delete old_ra; 399 delete old_ra;
406 400
407 clamp_it (screen.cur.row, 0, nrow - 1); 401 clamp_it (screen.cur.row, 0, nrow - 1);
408 clamp_it (screen.cur.col, 0, ncol - 1); 402 clamp_it (screen.cur.col, 0, ncol - 1);
409 403
410 if (tabs)
411 free (tabs); 404 free (tabs);
412 } 405 }
406
407 CLEAR_ALL_SELECTION ();
413 408
414 prev_nrow = nrow; 409 prev_nrow = nrow;
415 prev_ncol = ncol; 410 prev_ncol = ncol;
416 411
417 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 412 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
418 413
419 for (int col = ncol; col--; ) 414 for (int col = ncol; col--; )
420 tabs [col] = col % TABSIZE == 0; 415 tabs [col] = col % TABSIZE == 0;
421 416
417 if (current_screen != PRIMARY)
418 scr_swap_screen ();
419
422 tt_winch (); 420 tt_winch ();
423 421
424 PERL_INVOKE ((this, HOOK_RESET, DT_END)); 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
425} 423}
426 424
427/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
428/* 426/*
429 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
430 */ 428 */
431void 429void
432rxvt_term::scr_release () 430rxvt_term::scr_release () NOTHROW
433{ 431{
432 if (row_buf)
433 {
434 delete talloc; talloc = 0; 434 delete talloc; talloc = 0;
435 delete ralloc; ralloc = 0; 435 delete ralloc; ralloc = 0;
436 436
437 free (row_buf); 437 free (row_buf);
438 free (swap_buf); 438 free (swap_buf);
439 free (drawn_buf); 439 free (drawn_buf);
440 free (temp_buf);
441 free (tabs); 440 free (tabs);
442 441
443 row_buf = 0; // signal that we freed all the arrays 442 row_buf = 0; // signal that we freed all the arrays
443 }
444} 444}
445 445
446/* ------------------------------------------------------------------------- */ 446/* ------------------------------------------------------------------------- */
447/* 447/*
448 * Hard reset 448 * Hard reset
… …
453 scr_release (); 453 scr_release ();
454 prev_nrow = prev_ncol = 0; 454 prev_nrow = prev_ncol = 0;
455 scr_reset (); 455 scr_reset ();
456 456
457 scr_clear (true); 457 scr_clear (true);
458 scr_refresh (SLOW_REFRESH); 458 scr_refresh ();
459} 459}
460 460
461/* ------------------------------------------------------------------------- * 461/* ------------------------------------------------------------------------- *
462 * PROCESS SCREEN COMMANDS * 462 * PROCESS SCREEN COMMANDS *
463 * ------------------------------------------------------------------------- */ 463 * ------------------------------------------------------------------------- */
… …
465 * Save and Restore cursor 465 * Save and Restore cursor
466 * XTERM_SEQ: Save cursor : ESC 7 466 * XTERM_SEQ: Save cursor : ESC 7
467 * XTERM_SEQ: Restore cursor: ESC 8 467 * XTERM_SEQ: Restore cursor: ESC 8
468 */ 468 */
469void 469void
470rxvt_term::scr_cursor (int mode) 470rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
471{ 471{
472 screen_t *s; 472 screen_t *s;
473 473
474#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 474#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
475 if (current_screen == SECONDARY) 475 if (current_screen == SECONDARY)
… …
507 assert (s->cur.row >= 0); 507 assert (s->cur.row >= 0);
508 assert (s->cur.col >= 0); 508 assert (s->cur.col >= 0);
509#endif 509#endif
510} 510}
511 511
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);
525}
526
512/* ------------------------------------------------------------------------- */ 527/* ------------------------------------------------------------------------- */
513/* 528/*
514 * Swap between primary and secondary screens 529 * Swap between primary and secondary screens
515 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 530 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
516 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 531 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
517 */ 532 */
518int 533void
519rxvt_term::scr_change_screen (int scrn) 534rxvt_term::scr_change_screen (int scrn)
520{ 535{
536 if (scrn == current_screen)
537 return;
538
521 want_refresh = 1; 539 want_refresh = 1;
522 view_start = 0; 540 view_start = 0;
523 541
524 if (current_screen == scrn)
525 return scrn;
526
527 selection_check (2); /* check for boundary cross */ 542 selection_check (2); /* check for boundary cross */
528 543
529 int i = current_screen; current_screen = scrn; scrn = i; 544 int i = current_screen; current_screen = scrn; scrn = i;
530
531 ::swap (screen.cur.row, swap.cur.row);
532 ::swap (screen.cur.col, swap.cur.col);
533
534 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
535 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
536 545
537#if NSCREENS 546#if NSCREENS
538 if (OPTION (Opt_secondaryScreen)) 547 if (OPTION (Opt_secondaryScreen))
539 { 548 {
540 num_scr = 0; 549 num_scr = 0;
541 550
542 for (int i = prev_nrow; i--; ) 551 scr_swap_screen ();
543 ::swap (ROW(i), swap_buf [i]);
544 552
545 ::swap (screen.charset, swap.charset); 553 ::swap (screen.charset, swap.charset);
546 ::swap (screen.flags, swap.flags); 554 ::swap (screen.flags, swap.flags);
547 screen.flags |= Screen_VisibleCursor; 555 screen.flags |= Screen_VisibleCursor;
548 swap.flags |= Screen_VisibleCursor; 556 swap.flags |= Screen_VisibleCursor;
549 } 557 }
550 else 558 else
551#endif 559#endif
552 if (OPTION (Opt_secondaryScroll)) 560 if (OPTION (Opt_secondaryScroll))
553 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 561 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
554
555 return scrn;
556} 562}
557 563
558// clear WrapNext indicator, solidifying position on next line 564// clear WrapNext indicator, solidifying position on next line
559void 565void
560rxvt_term::scr_do_wrap () 566rxvt_term::scr_do_wrap () NOTHROW
561{ 567{
562 if (!(screen.flags & Screen_WrapNext)) 568 if (!(screen.flags & Screen_WrapNext))
563 return; 569 return;
564 570
565 screen.flags &= ~Screen_WrapNext; 571 screen.flags &= ~Screen_WrapNext;
… …
575/* ------------------------------------------------------------------------- */ 581/* ------------------------------------------------------------------------- */
576/* 582/*
577 * Change the colour for following text 583 * Change the colour for following text
578 */ 584 */
579void 585void
580rxvt_term::scr_color (unsigned int color, int fgbg) 586rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
581{ 587{
582 if (color > maxTermCOLOR) 588 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
583 color = fgbg; 589 color = fgbg;
584 590
585 if (fgbg == Color_fg) 591 if (fgbg == Color_fg)
586 rstyle = SET_FGCOLOR (rstyle, color); 592 rstyle = SET_FGCOLOR (rstyle, color);
587 else 593 else
… …
591/* ------------------------------------------------------------------------- */ 597/* ------------------------------------------------------------------------- */
592/* 598/*
593 * Change the rendition style for following text 599 * Change the rendition style for following text
594 */ 600 */
595void 601void
596rxvt_term::scr_rendition (int set, int style) 602rxvt_term::scr_rendition (int set, int style) NOTHROW
597 { 603 {
598 if (set) 604 if (set)
599 rstyle |= style; 605 rstyle |= style;
600 else if (style == ~RS_None) 606 else if (style == ~RS_None)
601 rstyle = DEFAULT_RSTYLE; 607 rstyle = DEFAULT_RSTYLE;
… …
608 * Scroll text between <row1> and <row2> inclusive, by <count> lines 614 * Scroll text between <row1> and <row2> inclusive, by <count> lines
609 * count positive ==> scroll up 615 * count positive ==> scroll up
610 * count negative ==> scroll down 616 * count negative ==> scroll down
611 */ 617 */
612int 618int
613rxvt_term::scr_scroll_text (int row1, int row2, int count) 619rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
614{ 620{
615 if (count == 0 || (row1 > row2)) 621 if (count == 0 || (row1 > row2))
616 return 0; 622 return 0;
617 623
618 want_refresh = 1; 624 want_refresh = 1;
619 num_scr += count; 625 num_scr += count;
620 626
621 if (count > 0 627 if (count > 0
622 && row1 == 0 628 && row1 == 0
623 && row2 == nrow - 1
624 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll))) 629 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
625 { 630 {
626 nsaved = min (nsaved + count, saveLines); 631 top_row = max (top_row - count, -saveLines);
627 632
628 PERL_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, nsaved, DT_END)); 633 // scroll everything up 'count' lines
634 term_start = (term_start + count) % total_rows;
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 }
629 667
630 term_start = (term_start + count) % total_rows; 668 // move and/or clear selection, if any
631
632 if (selection.op && current_screen == selection.screen) 669 if (selection.op && current_screen == selection.screen)
633 { 670 {
634 selection.beg.row -= count; 671 selection.beg.row -= count;
635 selection.end.row -= count; 672 selection.end.row -= count;
636 selection.mark.row -= count; 673 selection.mark.row -= count;
637 674
638 if (selection.beg.row < -nsaved 675 if (selection.beg.row < top_row
639 || selection.end.row < -nsaved 676 || selection.end.row < top_row
640 || selection.mark.row < -nsaved) 677 || selection.mark.row < top_row)
641 { 678 {
642 CLEAR_ALL_SELECTION (); 679 CLEAR_ALL_SELECTION ();
643 selection.op = SELECTION_CLEAR; 680 selection.op = SELECTION_CLEAR;
644 } 681 }
645 } 682 }
646 683
647 for (int i = count; i--; ) 684 // finally move the view window, if desired
648 {
649 ROW(row2 - i).l = 0;
650 scr_blank_screen_mem (ROW(row2 - i), rstyle);
651 }
652
653 if (OPTION (Opt_scrollWithBuffer) 685 if (OPTION (Opt_scrollWithBuffer)
654 && view_start != 0 686 && view_start != 0
655 && view_start != saveLines) 687 && view_start != -saveLines)
656 scr_page (UP, count); 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));
657 } 692 }
658 else 693 else
659 { 694 {
660 if (selection.op && current_screen == selection.screen) 695 if (selection.op && current_screen == selection.screen)
661 { 696 {
… …
685 720
686 int rows = row2 - row1 + 1; 721 int rows = row2 - row1 + 1;
687 722
688 min_it (count, rows); 723 min_it (count, rows);
689 724
725 line_t *temp_buf = row_buf + total_rows;
726
690 for (int row = 0; row < rows; row++) 727 for (int row = 0; row < rows; row++)
691 { 728 {
692 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 729 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
693 730
694 if (!IN_RANGE_EXC (row + count, 0, rows)) 731 if (!IN_RANGE_EXC (row + count, 0, rows))
… …
705/* ------------------------------------------------------------------------- */ 742/* ------------------------------------------------------------------------- */
706/* 743/*
707 * Add text given in <str> of length <len> to screen struct 744 * Add text given in <str> of length <len> to screen struct
708 */ 745 */
709void 746void
710rxvt_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
711{ 748{
712 if (len <= 0) /* sanity */ 749 if (len <= 0) /* sanity */
713 return; 750 return;
714 751
715 unsigned char checksel; 752 unsigned char checksel;
716 unicode_t c; 753 unicode_t c;
717 int last_col; 754 int ncol = this->ncol;
718 const unicode_t *strend = str + len; 755 const wchar_t *strend = str + len;
719 756
720 want_refresh = 1; 757 want_refresh = 1;
721 ZERO_SCROLLBACK (); 758 ZERO_SCROLLBACK ();
722 last_col = ncol;
723 759
724 if (nlines > 0) 760 if (minlines > 0)
725 { 761 {
726 nlines += screen.cur.row - screen.bscroll; 762 minlines += screen.cur.row - screen.bscroll;
763 min_it (minlines, screen.cur.row - top_row);
764
727 if (nlines > 0 765 if (minlines > 0
728 && screen.tscroll == 0 766 && screen.tscroll == 0
729 && screen.bscroll == (nrow - 1)) 767 && screen.bscroll == nrow - 1)
730 { 768 {
731 /* _at least_ this many lines need to be scrolled */ 769 /* _at least_ this many lines need to be scrolled */
732 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 770 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
733 screen.cur.row -= nlines; 771 screen.cur.row -= minlines;
734 } 772 }
735 } 773 }
736 774
737#ifdef DEBUG_STRICT 775#ifdef DEBUG_STRICT
738 assert (screen.cur.col < last_col); 776 assert (screen.cur.col < ncol);
739 assert (screen.cur.row < nrow 777 assert (screen.cur.row < nrow
740 && screen.cur.row >= -nsaved); 778 && screen.cur.row >= top_row);
741#endif 779#endif
742 int row = screen.cur.row; 780 int row = screen.cur.row;
743 781
744 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 782 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
745 783
746 line_t *line = &ROW(row); 784 line_t *line = &ROW(row);
747 785
748 while (str < strend) 786 while (str < strend)
749 { 787 {
750 c = *str++; 788 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
751 789
752 if (c < 0x20) 790 if (c < 0x20)
753 if (c == C0_LF) 791 if (c == C0_LF)
754 { 792 {
755 if (!line->is_longer ()) /* XXX: think about this */
756 max_it (line->l, screen.cur.col); 793 max_it (line->l, screen.cur.col);
757 794
758 screen.flags &= ~Screen_WrapNext; 795 screen.flags &= ~Screen_WrapNext;
759 796
760 if (screen.cur.row == screen.bscroll) 797 if (screen.cur.row == screen.bscroll)
761 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 798 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
… …
765 line = &ROW(row); /* _must_ refresh */ 802 line = &ROW(row); /* _must_ refresh */
766 continue; 803 continue;
767 } 804 }
768 else if (c == C0_CR) 805 else if (c == C0_CR)
769 { 806 {
770 if (!line->is_longer ()) /* XXX: think about this */
771 max_it (line->l, screen.cur.col); 807 max_it (line->l, screen.cur.col);
772 808
773 screen.flags &= ~Screen_WrapNext; 809 screen.flags &= ~Screen_WrapNext;
774 screen.cur.col = 0; 810 screen.cur.col = 0;
775 continue; 811 continue;
776 } 812 }
… …
793 CLEAR_SELECTION (); 829 CLEAR_SELECTION ();
794 } 830 }
795 831
796 if (screen.flags & Screen_WrapNext) 832 if (screen.flags & Screen_WrapNext)
797 { 833 {
798 line->set_is_longer ();
799
800 scr_do_wrap (); 834 scr_do_wrap ();
801 835
836 line->l = ncol;
837 line->is_longer (1);
838
802 row = screen.cur.row; 839 row = screen.cur.row;
803 line = &ROW(row); /* _must_ refresh */ 840 line = &ROW(row); /* _must_ refresh */
804 } 841 }
805 842
806 // some utf-8 decoders "decode" surrogate characters: let's fix this. 843 // some utf-8 decoders "decode" surrogate characters: let's fix this.
807 if (IN_RANGE_INC (c, 0xd800, 0xdfff)) 844 if (IN_RANGE_INC (c, 0xd800, 0xdfff))
808 c = 0xfffd; 845 c = 0xfffd;
809 846
810 // rely on wcwidth to tell us the character width, at least for non-latin1 847 // rely on wcwidth to tell us the character width, do wcwidth before
811 // do wcwidth before further replacements, as wcwidth might return -1 848 // further replacements, as wcwidth might return -1 for the line
812 // for the line drawing characters below as they might be invalid in the current 849 // drawing characters below as they might be invalid in the current
813 // locale. 850 // locale.
814 int width = c < 0x100 ? 1 : wcwidth (c); 851 int width = WCWIDTH (c);
815 852
816 if (charsets[screen.charset] == '0') // DEC SPECIAL 853 if (charsets [screen.charset] == '0') // DEC SPECIAL
817 { 854 {
818 // vt100 special graphics and line drawing 855 // vt100 special graphics and line drawing
819 // 5f-7e standard vt100 856 // 5f-7e standard vt100
820 // 40-5e rxvt extension for extra curses acs chars 857 // 40-5e rxvt extension for extra curses acs chars
821 static uint16_t vt100_0[62] = { // 41 .. 7e 858 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
873 } 910 }
874 911
875 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 912 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
876 913
877 // if the character doesn't fit into the remaining columns... 914 // if the character doesn't fit into the remaining columns...
878 if (screen.cur.col > last_col - width && last_col >= width) 915 if (screen.cur.col > ncol - width && ncol >= width)
879 { 916 {
880 // ...output spaces 917 // ...output spaces
881 c = ' '; 918 c = ' ';
882 // and try the same character next loop iteration 919 // and try the same character next loop iteration
883 --str; 920 --str;
884 } 921 }
885 922
923 line->touch ();
924
886 do 925 do
887 { 926 {
888 line->t[screen.cur.col] = c; 927 line->t[screen.cur.col] = c;
889 line->r[screen.cur.col] = rend; 928 line->r[screen.cur.col] = rend;
890 929
891 if (screen.cur.col < last_col - 1) 930 if (screen.cur.col < ncol - 1)
892 screen.cur.col++; 931 screen.cur.col++;
893 else 932 else
894 { 933 {
895 line->l = last_col; 934 line->l = ncol;
896 if (screen.flags & Screen_Autowrap) 935 if (screen.flags & Screen_Autowrap)
897 screen.flags |= Screen_WrapNext; 936 screen.flags |= Screen_WrapNext;
898 break; 937 break;
899 } 938 }
900 939
… …
902 } 941 }
903 while (--width > 0); 942 while (--width > 0);
904 943
905 // pad with spaces when overwriting wide character with smaller one 944 // pad with spaces when overwriting wide character with smaller one
906 if (!width) 945 if (!width)
946 {
947 line->touch ();
948
907 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 949 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
908 { 950 {
909 line->t[c] = ' '; 951 line->t[c] = ' ';
910 line->r[c] = rend; 952 line->r[c] = rend;
911 } 953 }
954 }
912 } 955 }
913 else // width == 0 956 else // width == 0
914 { 957 {
915#if ENABLE_COMBINING 958#if ENABLE_COMBINING
916 // handle combining characters 959 // handle combining characters
917 // we just tag the accent on the previous on-screen character. 960 // we just tag the accent on the previous on-screen character.
918 // this is arguably not correct, but also arguably not wrong. 961 // this is arguably not correct, but also arguably not wrong.
919 // we don't handle double-width characters nicely yet. 962 // we don't handle double-width characters nicely yet.
963 line_t *linep;
920 text_t *tp; 964 text_t *tp;
921 rend_t *rp; 965 rend_t *rp;
922 966
923 if (screen.cur.col > 0) 967 if (screen.cur.col > 0)
924 { 968 {
969 linep = line;
925 tp = line->t + screen.cur.col - 1; 970 tp = line->t + screen.cur.col - 1;
926 rp = line->r + screen.cur.col - 1; 971 rp = line->r + screen.cur.col - 1;
927
928 while (*tp == NOCHAR && tp > line->t)
929 tp--, rp--;
930 } 972 }
931 else if (screen.cur.row > 0 973 else if (screen.cur.row > 0
932 && ROW(screen.cur.row - 1).is_longer ()) 974 && ROW(screen.cur.row - 1).is_longer ())
933 { 975 {
934 line_t *line = &ROW(screen.cur.row - 1); 976 linep = &ROW(screen.cur.row - 1);
935
936 tp = line->t + last_col - 1; 977 tp = line->t + ncol - 1;
937 rp = line->r + last_col - 1; 978 rp = line->r + ncol - 1;
938
939 while (*tp == NOCHAR && tp > line->t)
940 tp--, rp--;
941 } 979 }
942 else 980 else
943 continue; 981 continue;
982
983 linep->touch ();
984
985 while (*tp == NOCHAR && tp > linep->t)
986 tp--, rp--;
944 987
945 // first try to find a precomposed character 988 // first try to find a precomposed character
946 unicode_t n = rxvt_compose (*tp, c); 989 unicode_t n = rxvt_compose (*tp, c);
947 if (n == NOCHAR) 990 if (n == NOCHAR)
948 n = rxvt_composite.compose (*tp, c); 991 n = rxvt_composite.compose (*tp, c);
… …
951 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 994 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
952#endif 995#endif
953 } 996 }
954 } 997 }
955 998
956 if (!line->is_longer ()) /* XXX: think about this */
957 max_it (line->l, screen.cur.col); 999 max_it (line->l, screen.cur.col);
958 1000
959#ifdef DEBUG_STRICT 1001#ifdef DEBUG_STRICT
960 assert (screen.cur.row >= 0); 1002 assert (screen.cur.row >= 0);
961#endif 1003#endif
962} 1004}
… …
965/* 1007/*
966 * Process Backspace. Move back the cursor back a position, wrap if have to 1008 * Process Backspace. Move back the cursor back a position, wrap if have to
967 * XTERM_SEQ: CTRL-H 1009 * XTERM_SEQ: CTRL-H
968 */ 1010 */
969void 1011void
970rxvt_term::scr_backspace () 1012rxvt_term::scr_backspace () NOTHROW
971{ 1013{
972 want_refresh = 1; 1014 want_refresh = 1;
973 1015
974 if (screen.cur.col == 0) 1016 if (screen.cur.col == 0)
975 { 1017 {
… …
993 * Process Horizontal Tab 1035 * Process Horizontal Tab
994 * count: +ve = forward; -ve = backwards 1036 * count: +ve = forward; -ve = backwards
995 * XTERM_SEQ: CTRL-I 1037 * XTERM_SEQ: CTRL-I
996 */ 1038 */
997void 1039void
998rxvt_term::scr_tab (int count, bool ht) 1040rxvt_term::scr_tab (int count, bool ht) NOTHROW
999{ 1041{
1000 int i, x; 1042 int i, x;
1001 1043
1002 want_refresh = 1; 1044 want_refresh = 1;
1003 i = x = screen.cur.col; 1045 i = x = screen.cur.col;
… …
1012 1054
1013 for (; ++i < ncol; ) 1055 for (; ++i < ncol; )
1014 if (tabs[i]) 1056 if (tabs[i])
1015 { 1057 {
1016 x = i; 1058 x = i;
1059
1017 if (!--count) 1060 if (!--count)
1018 break; 1061 break;
1019 } 1062 }
1020 else 1063 else
1021 ht &= l.t[i] == ' ' 1064 ht &= l.t[i] == ' '
… …
1028 // buffer so they can be selected and pasted. 1071 // buffer so they can be selected and pasted.
1029 if (ht && OPTION (Opt_pastableTabs)) 1072 if (ht && OPTION (Opt_pastableTabs))
1030 { 1073 {
1031 base_rend = SET_FONT (base_rend, 0); 1074 base_rend = SET_FONT (base_rend, 0);
1032 1075
1033 if (!l.is_longer ()) /* XXX: think about this */ 1076 l.touch (x);
1034 max_it (l.l, x);
1035 1077
1036 i = screen.cur.col; 1078 i = screen.cur.col;
1037 1079
1038 l.t[i] = '\t'; 1080 l.t[i] = '\t';
1039 l.r[i] = base_rend; 1081 l.r[i] = base_rend;
… …
1070 * Move cursor left in row. If we're at the left boundary, shift everything 1112 * Move cursor left in row. If we're at the left boundary, shift everything
1071 * in that row right. Clear left column. 1113 * in that row right. Clear left column.
1072 */ 1114 */
1073#if ENABLE_FRILLS 1115#if ENABLE_FRILLS
1074void 1116void
1075rxvt_term::scr_backindex () 1117rxvt_term::scr_backindex () NOTHROW
1076{ 1118{
1077 if (screen.cur.col > 0) 1119 if (screen.cur.col > 0)
1078 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1120 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1079 else 1121 else
1080 scr_insdel_chars (1, INSERT); 1122 scr_insdel_chars (1, INSERT);
… …
1087 * Move cursor right in row. If we're at the right boundary, shift everything 1129 * Move cursor right in row. If we're at the right boundary, shift everything
1088 * in that row left. Clear right column. 1130 * in that row left. Clear right column.
1089 */ 1131 */
1090#if ENABLE_FRILLS 1132#if ENABLE_FRILLS
1091void 1133void
1092rxvt_term::scr_forwardindex () 1134rxvt_term::scr_forwardindex () NOTHROW
1093{ 1135{
1094 if (screen.cur.col < ncol - 1) 1136 if (screen.cur.col < ncol - 1)
1095 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1137 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1096 else 1138 else
1097 { 1139 {
1098 if (ROW(screen.cur.row).is_longer ()) //TODO//FIXME//LEN 1140 line_t &l = ROW(screen.cur.row);
1099 ROW(screen.cur.row).l = ncol; 1141
1142 l.touch ();
1143 l.is_longer (0);
1100 1144
1101 scr_gotorc (0, 0, R_RELATIVE); 1145 scr_gotorc (0, 0, R_RELATIVE);
1102 scr_insdel_chars (1, DELETE); 1146 scr_insdel_chars (1, DELETE);
1103 scr_gotorc (0, ncol - 1, R_RELATIVE); 1147 scr_gotorc (0, ncol - 1, R_RELATIVE);
1104 } 1148 }
… …
1108/* ------------------------------------------------------------------------- */ 1152/* ------------------------------------------------------------------------- */
1109/* 1153/*
1110 * Goto Row/Column 1154 * Goto Row/Column
1111 */ 1155 */
1112void 1156void
1113rxvt_term::scr_gotorc (int row, int col, int relative) 1157rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1114{ 1158{
1115 want_refresh = 1; 1159 want_refresh = 1;
1116 ZERO_SCROLLBACK (); 1160 ZERO_SCROLLBACK ();
1117 1161
1118 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1162 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
… …
1156/* ------------------------------------------------------------------------- */ 1200/* ------------------------------------------------------------------------- */
1157/* 1201/*
1158 * direction should be UP or DN 1202 * direction should be UP or DN
1159 */ 1203 */
1160void 1204void
1161rxvt_term::scr_index (enum page_dirn direction) 1205rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1162{ 1206{
1163 int dirn; 1207 int dirn;
1164 1208
1165 want_refresh = 1; 1209 want_refresh = 1;
1166 ZERO_SCROLLBACK (); 1210 ZERO_SCROLLBACK ();
… …
1185 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1229 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1186 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1230 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1187 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1231 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1188 */ 1232 */
1189void 1233void
1190rxvt_term::scr_erase_line (int mode) 1234rxvt_term::scr_erase_line (int mode) NOTHROW
1191{ 1235{
1192 unsigned int col, num; 1236 unsigned int col, num;
1193 1237
1194 want_refresh = 1; 1238 want_refresh = 1;
1195 ZERO_SCROLLBACK (); 1239 ZERO_SCROLLBACK ();
1196 1240
1197 selection_check (1); 1241 selection_check (1);
1198 1242
1199 line_t &line = ROW(screen.cur.row); 1243 line_t &line = ROW(screen.cur.row);
1244
1245 line.touch ();
1246 line.is_longer (0);
1200 1247
1201 switch (mode) 1248 switch (mode)
1202 { 1249 {
1203 case 0: /* erase to end of line */ 1250 case 0: /* erase to end of line */
1204 col = screen.cur.col; 1251 col = screen.cur.col;
… …
1236 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1283 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1237 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1284 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1238 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1285 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1239 */ 1286 */
1240void 1287void
1241rxvt_term::scr_erase_screen (int mode) 1288rxvt_term::scr_erase_screen (int mode) NOTHROW
1242{ 1289{
1243 int num; 1290 int num;
1244 int32_t row; 1291 int32_t row;
1245 rend_t ren; 1292 rend_t ren;
1246 XGCValues gcvalue; 1293 XGCValues gcvalue;
… …
1299 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1346 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1300 } 1347 }
1301 1348
1302 for (; num--; row++) 1349 for (; num--; row++)
1303 { 1350 {
1304 ROW (row).l = 0;
1305 scr_blank_screen_mem (ROW (row), rstyle); 1351 scr_blank_screen_mem (ROW(row), rstyle);
1306 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1352 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1307 } 1353 }
1308} 1354}
1309 1355
1310#if ENABLE_FRILLS 1356#if ENABLE_FRILLS
1311void 1357void
1312rxvt_term::scr_erase_savelines () 1358rxvt_term::scr_erase_savelines () NOTHROW
1313{ 1359{
1314 want_refresh = 1; 1360 want_refresh = 1;
1315 ZERO_SCROLLBACK (); 1361 ZERO_SCROLLBACK ();
1316 1362
1317 nsaved = 0; 1363 top_row = 0;
1318} 1364}
1319#endif 1365#endif
1320 1366
1321/* ------------------------------------------------------------------------- */ 1367/* ------------------------------------------------------------------------- */
1322/* 1368/*
1323 * Fill the screen with `E's 1369 * Fill the screen with `E's
1324 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1370 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1325 */ 1371 */
1326void 1372void
1327rxvt_term::scr_E () 1373rxvt_term::scr_E () NOTHROW
1328{ 1374{
1329 rend_t fs; 1375 rend_t fs;
1330 1376
1331 want_refresh = 1; 1377 want_refresh = 1;
1332 ZERO_SCROLLBACK (); 1378 ZERO_SCROLLBACK ();
… …
1343 rend_t *r1 = line.r; 1389 rend_t *r1 = line.r;
1344 1390
1345 for (int j = ncol; j--; ) 1391 for (int j = ncol; j--; )
1346 *r1++ = fs; 1392 *r1++ = fs;
1347 1393
1348 line.l = ncol; /* make the `E's selectable */ 1394 line.is_longer (0);
1395 line.touch (ncol);
1349 } 1396 }
1350} 1397}
1351 1398
1352/* ------------------------------------------------------------------------- */ 1399/* ------------------------------------------------------------------------- */
1353/* 1400/*
1354 * Insert/Delete <count> lines 1401 * Insert/Delete <count> lines
1355 */ 1402 */
1356void 1403void
1357rxvt_term::scr_insdel_lines (int count, int insdel) 1404rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1358{ 1405{
1359 int end; 1406 int end;
1360 1407
1361 ZERO_SCROLLBACK (); 1408 ZERO_SCROLLBACK ();
1362 1409
… …
1382/* ------------------------------------------------------------------------- */ 1429/* ------------------------------------------------------------------------- */
1383/* 1430/*
1384 * Insert/Delete <count> characters from the current position 1431 * Insert/Delete <count> characters from the current position
1385 */ 1432 */
1386void 1433void
1387rxvt_term::scr_insdel_chars (int count, int insdel) 1434rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1388{ 1435{
1389 int col, row; 1436 int col, row;
1390 rend_t tr; 1437 rend_t tr;
1391 1438
1392 want_refresh = 1; 1439 want_refresh = 1;
… …
1401 min_it (count, ncol - screen.cur.col); 1448 min_it (count, ncol - screen.cur.col);
1402 1449
1403 row = screen.cur.row; 1450 row = screen.cur.row;
1404 1451
1405 line_t *line = &ROW(row); 1452 line_t *line = &ROW(row);
1453
1454 line->touch ();
1455 line->is_longer (0);
1406 1456
1407 switch (insdel) 1457 switch (insdel)
1408 { 1458 {
1409 case INSERT: 1459 case INSERT:
1410 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1460 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1411 { 1461 {
1412 line->t[col] = line->t[col - count]; 1462 line->t[col] = line->t[col - count];
1413 line->r[col] = line->r[col - count]; 1463 line->r[col] = line->r[col - count];
1414 } 1464 }
1415 1465
1416 if (!line->is_longer ()) 1466 line->l = min (line->l + count, ncol);
1417 {
1418 line->l += count;
1419 min_it (line->l, ncol);
1420 }
1421 1467
1422 if (selection.op && current_screen == selection.screen 1468 if (selection.op && current_screen == selection.screen
1423 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1469 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1424 { 1470 {
1425 if (selection.end.row != screen.cur.row 1471 if (selection.end.row != screen.cur.row
… …
1438 1484
1439 case ERASE: 1485 case ERASE:
1440 screen.cur.col += count; /* don't worry if > ncol */ 1486 screen.cur.col += count; /* don't worry if > ncol */
1441 selection_check (1); 1487 selection_check (1);
1442 screen.cur.col -= count; 1488 screen.cur.col -= count;
1489
1490 line->l = max (line->l - count, 0);
1443 scr_blank_line (*line, screen.cur.col, count, rstyle); 1491 scr_blank_line (*line, screen.cur.col, count, rstyle);
1444 break; 1492 break;
1445 1493
1446 case DELETE: 1494 case DELETE:
1447 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1495 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
… …
1450 { 1498 {
1451 line->t[col] = line->t[col + count]; 1499 line->t[col] = line->t[col + count];
1452 line->r[col] = line->r[col + count]; 1500 line->r[col] = line->r[col + count];
1453 } 1501 }
1454 1502
1503 line->l = max (line->l - count, 0);
1455 scr_blank_line (*line, ncol - count, count, tr); 1504 scr_blank_line (*line, ncol - count, count, tr);
1456
1457 if (line->is_longer ()) /* break line continuation */
1458 line->l = ncol;
1459
1460 line->l = max (line->l - count, 0);
1461 1505
1462 if (selection.op && current_screen == selection.screen 1506 if (selection.op && current_screen == selection.screen
1463 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1507 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1464 { 1508 {
1465 if (selection.end.row != screen.cur.row 1509 if (selection.end.row != screen.cur.row
… …
1483/* 1527/*
1484 * Set the scrolling region 1528 * Set the scrolling region
1485 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1529 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1486 */ 1530 */
1487void 1531void
1488rxvt_term::scr_scroll_region (int top, int bot) 1532rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1489{ 1533{
1490 max_it (top, 0); 1534 max_it (top, 0);
1491 min_it (bot, nrow - 1); 1535 min_it (bot, nrow - 1);
1492 1536
1493 if (top > bot) 1537 if (top > bot)
… …
1503 * Make the cursor visible/invisible 1547 * Make the cursor visible/invisible
1504 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1548 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1505 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1549 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1506 */ 1550 */
1507void 1551void
1508rxvt_term::scr_cursor_visible (int mode) 1552rxvt_term::scr_cursor_visible (int mode) NOTHROW
1509{ 1553{
1510 want_refresh = 1; 1554 want_refresh = 1;
1511 1555
1512 if (mode) 1556 if (mode)
1513 screen.flags |= Screen_VisibleCursor; 1557 screen.flags |= Screen_VisibleCursor;
… …
1520 * Set/unset automatic wrapping 1564 * Set/unset automatic wrapping
1521 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1565 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1522 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1566 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1523 */ 1567 */
1524void 1568void
1525rxvt_term::scr_autowrap (int mode) 1569rxvt_term::scr_autowrap (int mode) NOTHROW
1526{ 1570{
1527 if (mode) 1571 if (mode)
1528 screen.flags |= Screen_Autowrap; 1572 screen.flags |= Screen_Autowrap;
1529 else 1573 else
1530 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1574 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1539 * and the cursor cannot be moved outside. 1583 * and the cursor cannot be moved outside.
1540 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1584 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1541 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1585 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1542 */ 1586 */
1543void 1587void
1544rxvt_term::scr_relative_origin (int mode) 1588rxvt_term::scr_relative_origin (int mode) NOTHROW
1545{ 1589{
1546 if (mode) 1590 if (mode)
1547 screen.flags |= Screen_Relative; 1591 screen.flags |= Screen_Relative;
1548 else 1592 else
1549 screen.flags &= ~Screen_Relative; 1593 screen.flags &= ~Screen_Relative;
… …
1556 * Set insert/replace mode 1600 * Set insert/replace mode
1557 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1601 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1558 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1602 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1559 */ 1603 */
1560void 1604void
1561rxvt_term::scr_insert_mode (int mode) 1605rxvt_term::scr_insert_mode (int mode) NOTHROW
1562{ 1606{
1563 if (mode) 1607 if (mode)
1564 screen.flags |= Screen_Insert; 1608 screen.flags |= Screen_Insert;
1565 else 1609 else
1566 screen.flags &= ~Screen_Insert; 1610 screen.flags &= ~Screen_Insert;
… …
1572 * XTERM_SEQ: Set tab at current column : ESC H 1616 * XTERM_SEQ: Set tab at current column : ESC H
1573 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1617 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1574 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1618 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1575 */ 1619 */
1576void 1620void
1577rxvt_term::scr_set_tab (int mode) 1621rxvt_term::scr_set_tab (int mode) NOTHROW
1578{ 1622{
1579 if (mode < 0) 1623 if (mode < 0)
1580 memset (tabs, 0, ncol * sizeof (char)); 1624 memset (tabs, 0, ncol * sizeof (char));
1581 else if (screen.cur.col < ncol) 1625 else if (screen.cur.col < ncol)
1582 tabs[screen.cur.col] = (mode ? 1 : 0); 1626 tabs [screen.cur.col] = !!mode;
1583} 1627}
1584 1628
1585/* ------------------------------------------------------------------------- */ 1629/* ------------------------------------------------------------------------- */
1586/* 1630/*
1587 * Set reverse/normal video 1631 * Set reverse/normal video
1588 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1632 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1589 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1633 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1590 */ 1634 */
1591void 1635void
1592rxvt_term::scr_rvideo_mode (int mode) 1636rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1593{ 1637{
1594 XGCValues gcvalue; 1638 rvideo_mode = on;
1595 1639
1640#ifndef NO_BELL
1641 on ^= rvideo_bell;
1642#endif
1643
1596 if (rvideo != mode) 1644 if (rvideo_state != on)
1597 { 1645 {
1598 rvideo = mode; 1646 rvideo_state = on;
1647
1599 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1648 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1600#if XPM_BACKGROUND 1649#if XPM_BACKGROUND
1601 if (bgPixmap.pixmap == None) 1650 if (bgPixmap.pixmap == None)
1602#endif 1651#endif
1603#if TRANSPARENT 1652#if TRANSPARENT
1604 if (! OPTION (Opt_transparent) || am_transparent == 0) 1653 if (!OPTION (Opt_transparent) || am_transparent == 0)
1605#endif 1654#endif
1606 XSetWindowBackground (display->display, vt, 1655 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1607 pix_colors[Color_bg]);
1608 1656
1657 XGCValues gcvalue;
1609 gcvalue.foreground = pix_colors[Color_fg]; 1658 gcvalue.foreground = pix_colors[Color_fg];
1610 gcvalue.background = pix_colors[Color_bg]; 1659 gcvalue.background = pix_colors[Color_bg];
1611 XChangeGC (display->display, gc, GCBackground | GCForeground, 1660 XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1612 &gcvalue); 1661
1613 scr_clear (); 1662 scr_clear ();
1614 scr_touch (true); 1663 scr_touch (true);
1615 } 1664 }
1616} 1665}
1617 1666
… …
1619/* 1668/*
1620 * Report current cursor position 1669 * Report current cursor position
1621 * XTERM_SEQ: Report position: ESC [ 6 n 1670 * XTERM_SEQ: Report position: ESC [ 6 n
1622 */ 1671 */
1623void 1672void
1624rxvt_term::scr_report_position () 1673rxvt_term::scr_report_position () NOTHROW
1625{ 1674{
1626 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1675 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1627} 1676}
1628 1677
1629/* ------------------------------------------------------------------------- * 1678/* ------------------------------------------------------------------------- *
… …
1632 1681
1633/* 1682/*
1634 * Set font style 1683 * Set font style
1635 */ 1684 */
1636void 1685void
1637rxvt_term::set_font_style () 1686rxvt_term::set_font_style () NOTHROW
1638{ 1687{
1688#if 0
1639 switch (charsets[screen.charset]) 1689 switch (charsets [screen.charset])
1640 { 1690 {
1641 case '0': /* DEC Special Character & Line Drawing Set */ 1691 case '0': /* DEC Special Character & Line Drawing Set */
1642 break; 1692 break;
1643 case 'A': /* United Kingdom (UK) */ 1693 case 'A': /* United Kingdom (UK) */
1644 break; 1694 break;
… …
1651 case 'C': /* Finnish character set */ 1701 case 'C': /* Finnish character set */
1652 break; 1702 break;
1653 case 'K': /* German character set */ 1703 case 'K': /* German character set */
1654 break; 1704 break;
1655 } 1705 }
1706#endif
1656} 1707}
1657 1708
1658/* ------------------------------------------------------------------------- */ 1709/* ------------------------------------------------------------------------- */
1659/* 1710/*
1660 * Choose a font 1711 * Choose a font
… …
1662 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1713 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1663 * XTERM_SEQ: Invoke G2 character set: ESC N 1714 * XTERM_SEQ: Invoke G2 character set: ESC N
1664 * XTERM_SEQ: Invoke G3 character set: ESC O 1715 * XTERM_SEQ: Invoke G3 character set: ESC O
1665 */ 1716 */
1666void 1717void
1667rxvt_term::scr_charset_choose (int set) 1718rxvt_term::scr_charset_choose (int set) NOTHROW
1668{ 1719{
1669 screen.charset = set; 1720 screen.charset = set;
1670 set_font_style (); 1721 set_font_style ();
1671} 1722}
1672 1723
… …
1678 * XTERM_SEQ: Set G2 character set: ESC * <C> 1729 * XTERM_SEQ: Set G2 character set: ESC * <C>
1679 * XTERM_SEQ: Set G3 character set: ESC + <C> 1730 * XTERM_SEQ: Set G3 character set: ESC + <C>
1680 * See set_font_style for possible values for <C> 1731 * See set_font_style for possible values for <C>
1681 */ 1732 */
1682void 1733void
1683rxvt_term::scr_charset_set (int set, unsigned int ch) 1734rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1684{ 1735{
1685 charsets[set] = (unsigned char)ch; 1736 charsets[set] = (unsigned char)ch;
1686 set_font_style (); 1737 set_font_style ();
1687} 1738}
1688 1739
… …
1693 1744
1694/* 1745/*
1695 * refresh matching text. 1746 * refresh matching text.
1696 */ 1747 */
1697bool 1748bool
1698rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1749rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1699{ 1750{
1700 bool found = false; 1751 bool found = false;
1701 1752
1702 for (int i = 0; i < nrow; i++) 1753 for (int i = 0; i < nrow; i++)
1703 { 1754 {
… …
1723 PART_END, 1774 PART_END,
1724 RC_COUNT 1775 RC_COUNT
1725}; 1776};
1726 1777
1727void 1778void
1728rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1779rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1729{ 1780{
1730 int i; 1781 int i;
1731 row_col_t rc[RC_COUNT]; 1782 row_col_t rc[RC_COUNT];
1732 1783
1733 if (!drawn_buf) /* sanity check */ 1784 if (!drawn_buf) /* sanity check */
… …
1756 } 1807 }
1757 1808
1758 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1809 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1759 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1810 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1760 1811
1812 num_scr_allow = 0;
1813
1761 if (refresh) 1814 if (refresh)
1762 scr_refresh (SLOW_REFRESH); 1815 scr_refresh ();
1763} 1816}
1764 1817
1765/* ------------------------------------------------------------------------- */ 1818/* ------------------------------------------------------------------------- */
1766/* 1819/*
1767 * Refresh the entire screen 1820 * Refresh the entire screen
1768 */ 1821 */
1769void 1822void
1770rxvt_term::scr_touch (bool refresh) 1823rxvt_term::scr_touch (bool refresh) NOTHROW
1771{ 1824{
1772 scr_expose (0, 0, width, height, refresh); 1825 scr_expose (0, 0, width, height, refresh);
1773} 1826}
1774 1827
1775/* ------------------------------------------------------------------------- */ 1828/* ------------------------------------------------------------------------- */
1776/* 1829/*
1777 * Move the display so that the line represented by scrollbar value Y is at 1830 * Move the display so that the line represented by scrollbar value Y is at
1778 * the top of the screen 1831 * the top of the screen
1779 */ 1832 */
1780int 1833void
1781rxvt_term::scr_move_to (int y, int len) 1834rxvt_term::scr_move_to (int y, int len) NOTHROW
1782{ 1835{
1783 long p = 0; 1836 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1784 unsigned int oldviewstart;
1785
1786 oldviewstart = view_start;
1787
1788 if (y < len)
1789 {
1790 p = (nrow + nsaved) * (len - y) / len;
1791 p -= (long) (nrow - 1);
1792 p = max (p, 0);
1793 }
1794
1795 view_start = (unsigned int)min (p, nsaved);
1796
1797 return scr_changeview (oldviewstart);
1798} 1837}
1799 1838
1800/* ------------------------------------------------------------------------- */ 1839/* ------------------------------------------------------------------------- */
1801/* 1840/*
1802 * Page the screen up/down nlines 1841 * Page the screen up/down nlines
1803 * direction should be UP or DN 1842 * direction should be UP or DN
1804 */ 1843 */
1805int 1844bool
1806rxvt_term::scr_page (enum page_dirn direction, int nlines) 1845rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1807{ 1846{
1808 int n; 1847 int new_view_start =
1809 unsigned int oldviewstart;
1810
1811 oldviewstart = view_start;
1812
1813 if (direction == UP)
1814 {
1815 n = view_start + nlines;
1816 view_start = min (n, nsaved);
1817 }
1818 else
1819 {
1820 n = view_start - nlines; 1848 direction == UP ? view_start - nlines
1821 view_start = max (n, 0); 1849 : view_start + nlines;
1822 }
1823 1850
1824 return scr_changeview (oldviewstart); 1851 return scr_changeview (new_view_start);
1825} 1852}
1826 1853
1827int 1854bool
1828rxvt_term::scr_changeview (unsigned int oldviewstart) 1855rxvt_term::scr_changeview (int new_view_start) NOTHROW
1829{ 1856{
1857 clamp_it (new_view_start, top_row, 0);
1858
1859 if (new_view_start == view_start)
1860 return false;
1861
1862 num_scr += new_view_start - view_start;
1863 view_start = new_view_start;
1864 want_refresh = 1;
1865
1830 PERL_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END)); 1866 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1831 1867
1832 if (view_start != oldviewstart) 1868 return true;
1833 {
1834 want_refresh = 1;
1835 num_scr -= (view_start - oldviewstart);
1836 }
1837
1838 return (int) (view_start - oldviewstart);
1839} 1869}
1840 1870
1841/* ------------------------------------------------------------------------- */ 1871#ifndef NO_BELL
1842void 1872void
1873rxvt_term::bell_cb (time_watcher &w)
1874{
1875 rvideo_bell = false;
1876 scr_rvideo_mode (rvideo_mode);
1877}
1878#endif
1879
1880/* ------------------------------------------------------------------------- */
1881void
1843rxvt_term::scr_bell () 1882rxvt_term::scr_bell () NOTHROW
1844{ 1883{
1845#ifndef NO_BELL 1884#ifndef NO_BELL
1846 1885
1847# ifndef NO_MAPALERT 1886# ifndef NO_MAPALERT
1848# ifdef MAPALERT_OPTION 1887# ifdef MAPALERT_OPTION
… …
1851 XMapWindow (display->display, parent[0]); 1890 XMapWindow (display->display, parent[0]);
1852# endif 1891# endif
1853 1892
1854 if (OPTION (Opt_visualBell)) 1893 if (OPTION (Opt_visualBell))
1855 { 1894 {
1856 scr_rvideo_mode (!rvideo); /* refresh also done */ 1895 rvideo_bell = true;
1857 rxvt_usleep (VISUAL_BELL_DURATION); 1896 scr_rvideo_mode (rvideo_mode);
1858 scr_rvideo_mode (!rvideo); /* refresh also done */ 1897 display->flush ();
1898
1899 bell_ev.start (NOW + VISUAL_BELL_DURATION);
1859 } 1900 }
1860 else 1901 else
1861 XBell (display->display, 0); 1902 XBell (display->display, 0);
1862 1903
1863#endif 1904#endif
1864} 1905}
1865 1906
1866/* ------------------------------------------------------------------------- */ 1907/* ------------------------------------------------------------------------- */
1867/* ARGSUSED */ 1908/* ARGSUSED */
1868void 1909void
1869rxvt_term::scr_printscreen (int fullhist) 1910rxvt_term::scr_printscreen (int fullhist) NOTHROW
1870{ 1911{
1871#ifdef PRINTPIPE 1912#ifdef PRINTPIPE
1872 int nrows, row_start; 1913 int nrows, row_start;
1873 FILE *fd; 1914 FILE *fd;
1874 1915
1875 if ((fd = popen_printer ()) == NULL) 1916 if ((fd = popen_printer ()) == NULL)
1876 return; 1917 return;
1877 1918
1878 if (fullhist) 1919 if (fullhist)
1879 { 1920 {
1880 nrows = nrow + nsaved; 1921 nrows = nrow - top_row;
1881 row_start = -nsaved; 1922 row_start = top_row;
1882 } 1923 }
1883 else 1924 else
1884 { 1925 {
1885 nrows = nrow; 1926 nrows = nrow;
1886 row_start = -view_start; 1927 row_start = view_start;
1887 } 1928 }
1888 1929
1889 wctomb (0, 0); 1930 wctomb (0, 0);
1890 1931
1891 for (int r1 = 0; r1 < nrows; r1++) 1932 for (int r1 = 0; r1 < nrows; r1++)
… …
1923 * Refresh the screen 1964 * Refresh the screen
1924 * drawn_text/drawn_rend contain the screen information before the update. 1965 * drawn_text/drawn_rend contain the screen information before the update.
1925 * screen.text/screen.rend contain what the screen will change to. 1966 * screen.text/screen.rend contain what the screen will change to.
1926 */ 1967 */
1927void 1968void
1928rxvt_term::scr_refresh (unsigned char refresh_type) 1969rxvt_term::scr_refresh () NOTHROW
1929{ 1970{
1930 unsigned char must_clear, /* use draw_string not draw_image_string */ 1971 unsigned char must_clear, /* use draw_string not draw_image_string */
1931 showcursor; /* show the cursor */ 1972 showcursor; /* show the cursor */
1932 int16_t col, row, /* column/row we're processing */ 1973 int16_t col, row, /* column/row we're processing */
1933 ocrow; /* old cursor row */ 1974 ocrow; /* old cursor row */
… …
1957 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1998 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1958 1999
1959 /* 2000 /*
1960 * B: reverse any characters which are selected 2001 * B: reverse any characters which are selected
1961 */ 2002 */
1962 PERL_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
1963 scr_reverse_selection (); 2003 scr_reverse_selection ();
1964 2004
1965 /* 2005 /*
1966 * C: set the cursor character (s) 2006 * C: set the cursor character (s)
1967 */ 2007 */
… …
2020 2060
2021 /* make sure no outline cursor is left around */ 2061 /* make sure no outline cursor is left around */
2022 setoldcursor = 0; 2062 setoldcursor = 0;
2023 if (ocrow != -1) 2063 if (ocrow != -1)
2024 { 2064 {
2025 if (screen.cur.row + view_start != ocrow 2065 if (screen.cur.row - view_start != ocrow
2026 || screen.cur.col != oldcursor.col) 2066 || screen.cur.col != oldcursor.col)
2027 { 2067 {
2028 if (ocrow < nrow 2068 if (ocrow < nrow
2029 && oldcursor.col < ncol) 2069 && oldcursor.col < ncol)
2030 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2070 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
… …
2038 else if (!focus) 2078 else if (!focus)
2039 setoldcursor = 1; 2079 setoldcursor = 1;
2040 2080
2041 if (setoldcursor) 2081 if (setoldcursor)
2042 { 2082 {
2043 if (screen.cur.row + view_start >= nrow) 2083 if (screen.cur.row - view_start >= nrow)
2044 oldcursor.row = -1; 2084 oldcursor.row = -1;
2045 else 2085 else
2046 { 2086 {
2047 oldcursor.row = screen.cur.row + view_start; 2087 oldcursor.row = screen.cur.row - view_start;
2048 oldcursor.col = screen.cur.col; 2088 oldcursor.col = screen.cur.col;
2049 } 2089 }
2050 } 2090 }
2051 } 2091 }
2052 2092
2093 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2053#if ENABLE_OVERLAY 2094#if ENABLE_OVERLAY
2054 scr_swap_overlay (); 2095 scr_swap_overlay ();
2055#endif 2096#endif
2056 2097
2057#ifndef NO_SLOW_LINK_SUPPORT 2098#ifndef NO_SLOW_LINK_SUPPORT
2058 /* 2099 /*
2059 * D: CopyArea pass - very useful for slower links 2100 * D: CopyArea pass - very useful for slower links
2060 * This has been deliberately kept simple. 2101 * This has been deliberately kept simple.
2061 */ 2102 */
2062 i = num_scr;
2063 if (!display->is_local 2103 if (!display->is_local
2064 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2104 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2065 && abs (num_scr) < nrow && !must_clear) 2105 && abs (num_scr) < nrow && !must_clear)
2066 { 2106 {
2067 int16_t nits; 2107 int16_t nits;
2068 int j; 2108 int j;
2069 int len, wlen; 2109 int len, wlen;
2110 dLocal (int, num_scr);
2070 2111
2071 j = nrow; 2112 j = nrow;
2072 wlen = len = -1; 2113 wlen = len = -1;
2073 row = i > 0 ? 0 : j - 1; 2114 row = i > 0 ? 0 : j - 1;
2074 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2115 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2075 { 2116 {
2076 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2117 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2077 { 2118 {
2078 line_t s = ROW(row - view_start); 2119 line_t s = ROW(view_start + row);
2079 line_t d = drawn_buf[row]; 2120 line_t d = drawn_buf[row];
2080 line_t d2 = drawn_buf[row + i]; 2121 line_t d2 = drawn_buf[row + i];
2081 2122
2082 for (nits = 0, col = ncol; col--; ) 2123 for (nits = 0, col = ncol; col--; )
2083 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2124 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
… …
2107 if (wlen < len) 2148 if (wlen < len)
2108 ::swap (wlen, len); 2149 ::swap (wlen, len);
2109 2150
2110 XCopyArea (display->display, vt, vt, 2151 XCopyArea (display->display, vt, vt,
2111 gc, 0, Row2Pixel (len + i), 2152 gc, 0, Row2Pixel (len + i),
2112 (unsigned int)TermWin_TotalWidth (), 2153 (unsigned int)this->width,
2113 (unsigned int)Height2Pixel (wlen - len + 1), 2154 (unsigned int)Height2Pixel (wlen - len + 1),
2114 0, Row2Pixel (len)); 2155 0, Row2Pixel (len));
2115 len = -1; 2156 len = -1;
2116 } 2157 }
2117 } 2158 }
… …
2121 /* 2162 /*
2122 * E: main pass across every character 2163 * E: main pass across every character
2123 */ 2164 */
2124 for (row = 0; row < nrow; row++) 2165 for (row = 0; row < nrow; row++)
2125 { 2166 {
2126 text_t *stp = ROW(row - view_start).t; 2167 text_t *stp = ROW(view_start + row).t;
2127 rend_t *srp = ROW(row - view_start).r; 2168 rend_t *srp = ROW(view_start + row).r;
2128 text_t *dtp = drawn_buf[row].t; 2169 text_t *dtp = drawn_buf[row].t;
2129 rend_t *drp = drawn_buf[row].r; 2170 rend_t *drp = drawn_buf[row].r;
2130 2171
2131 /* 2172 /*
2132 * E2: OK, now the real pass 2173 * E2: OK, now the real pass
… …
2320 } /* for (row....) */ 2361 } /* for (row....) */
2321 2362
2322#if ENABLE_OVERLAY 2363#if ENABLE_OVERLAY
2323 scr_swap_overlay (); 2364 scr_swap_overlay ();
2324#endif 2365#endif
2366 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2325 2367
2326 /* 2368 /*
2327 * G: cleanup cursor and display outline cursor if necessary 2369 * G: cleanup cursor and display outline cursor if necessary
2328 */ 2370 */
2329 if (showcursor) 2371 if (showcursor)
… …
2367 2409
2368 /* 2410 /*
2369 * H: cleanup selection 2411 * H: cleanup selection
2370 */ 2412 */
2371 scr_reverse_selection (); 2413 scr_reverse_selection ();
2372 PERL_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2373
2374 if (refresh_type & SMOOTH_REFRESH)
2375 XFlush (display->display);
2376 2414
2377 num_scr = 0; 2415 num_scr = 0;
2378 num_scr_allow = 1; 2416 num_scr_allow = 1;
2379} 2417}
2380 2418
2381void 2419void
2382rxvt_term::scr_remap_chars (const line_t &l) 2420rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2383{ 2421{
2384 if (!l.t) 2422 if (!l.t)
2385 return; 2423 return;
2386 2424
2425 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2426
2387 for (int i = ncol; i--; ) 2427 for (int i = ncol; i--; )
2388 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2428 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2389} 2429}
2390 2430
2391void 2431void
2392rxvt_term::scr_remap_chars () 2432rxvt_term::scr_remap_chars () NOTHROW
2393{ 2433{
2394 for (int i = total_rows; i--; ) 2434 for (int i = total_rows; i--; )
2395 scr_remap_chars (row_buf [i]); 2435 scr_remap_chars (row_buf [i]);
2396 2436
2397 for (int i = nrow; i--; ) 2437 for (int i = nrow; i--; )
… …
2400 scr_remap_chars (swap_buf [i]); 2440 scr_remap_chars (swap_buf [i]);
2401 } 2441 }
2402} 2442}
2403 2443
2404void 2444void
2405rxvt_term::scr_recolour () 2445rxvt_term::scr_recolour () NOTHROW
2406{ 2446{
2407 if (1 2447 if (1
2408#if TRANSPARENT 2448#if TRANSPARENT
2409 && !am_transparent 2449 && !am_transparent
2410#endif 2450#endif
… …
2431 want_refresh = 1; 2471 want_refresh = 1;
2432} 2472}
2433 2473
2434/* ------------------------------------------------------------------------- */ 2474/* ------------------------------------------------------------------------- */
2435void 2475void
2436rxvt_term::scr_clear (bool really) 2476rxvt_term::scr_clear (bool really) NOTHROW
2437{ 2477{
2438 if (!mapped) 2478 if (!mapped)
2439 return; 2479 return;
2440 2480
2441 num_scr_allow = 0; 2481 num_scr_allow = 0;
… …
2443 2483
2444 if (really) 2484 if (really)
2445 XClearWindow (display->display, vt); 2485 XClearWindow (display->display, vt);
2446} 2486}
2447 2487
2448/* ------------------------------------------------------------------------- */
2449void 2488void
2489rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2490{
2491 int view_end = view_start + nrow;
2492 int row, col;
2493
2494 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2495 {
2496 text_t *stp = ROW(row).t;
2497 rend_t *srp = ROW(row).r;
2498
2499 for (col = beg_col; col < end_col; col++)
2500 srp[col] ^= rstyle1;
2501
2502 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2503 srp[col] ^= rstyle2;
2504
2505 if (++col < end_col)
2506 srp[col] ^= rstyle2;
2507 }
2508}
2509
2510void
2511rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2512{
2513 int view_end = view_start + nrow;
2514 int row, col;
2515
2516 if (beg_row >= view_start)
2517 {
2518 col = beg_col;
2519 row = beg_row;
2520 }
2521 else
2522 {
2523 col = 0;
2524 row = view_start;
2525 }
2526
2527 for (; row < min (end_row, view_end); row++, col = 0)
2528 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2529 srp[col] ^= rstyle;
2530
2531 if (row == end_row)
2532 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2533 srp[col] ^= rstyle;
2534}
2535
2536/* ------------------------------------------------------------------------- */
2537void
2450rxvt_term::scr_reverse_selection () 2538rxvt_term::scr_reverse_selection () NOTHROW
2451{ 2539{
2452 if (selection.op 2540 if (selection.op
2453 && current_screen == selection.screen 2541 && current_screen == selection.screen
2454 && selection.end.row >= -view_start) 2542 && selection.end.row >= view_start)
2455 { 2543 {
2456 int view_end = -view_start + nrow;
2457 int row, col;
2458
2459#if ENABLE_FRILLS 2544#if ENABLE_FRILLS
2460 if (selection.rect) 2545 if (selection.rect)
2461 { 2546 scr_xor_rect (selection.beg.row, selection.beg.col,
2462 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2547 selection.end.row, selection.end.col,
2463 { 2548 RS_RVid, RS_RVid | RS_Uline);
2464 text_t *stp = ROW(row).t;
2465 rend_t *srp = ROW(row).r;
2466
2467 for (col = selection.beg.col; col < selection.end.col; col++)
2468 srp[col] ^= RS_RVid;
2469
2470 while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2471 srp[col] ^= RS_RVid | RS_Uline;
2472
2473 if (++col < selection.end.col)
2474 srp[col] ^= RS_RVid | RS_Uline;
2475 }
2476 }
2477 else 2549 else
2478#endif 2550#endif
2479 { 2551 scr_xor_span (selection.beg.row, selection.beg.col,
2480 if (selection.beg.row >= -view_start) 2552 selection.end.row, selection.end.col,
2481 { 2553 RS_RVid);
2482 col = selection.beg.col;
2483 row = selection.beg.row;
2484 }
2485 else
2486 {
2487 col = 0;
2488 row = -view_start;
2489 }
2490
2491 for (; row < min (selection.end.row, view_end); row++, col = 0)
2492 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2493 srp[col] ^= RS_RVid;
2494
2495 if (row == selection.end.row)
2496 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2497 srp[col] ^= RS_RVid;
2498 }
2499 } 2554 }
2500} 2555}
2501 2556
2502/* ------------------------------------------------------------------------- */ 2557/* ------------------------------------------------------------------------- */
2503/* 2558/*
2504 * Dump the whole scrollback and screen to the passed filedescriptor. The 2559 * Dump the whole scrollback and screen to the passed filedescriptor. The
2505 * invoking routine must close the fd. 2560 * invoking routine must close the fd.
2506 */ 2561 */
2507#if 0 2562#if 0
2508void 2563void
2509rxvt_term::scr_dump (int fd) 2564rxvt_term::scr_dump (int fd) NOTHROW
2510{ 2565{
2511 int row, wrote; 2566 int row, wrote;
2512 unsigned int width, towrite; 2567 unsigned int width, towrite;
2513 char r1[] = "\n"; 2568 char r1[] = "\n";
2514 2569
… …
2533 2588
2534/* ------------------------------------------------------------------------- * 2589/* ------------------------------------------------------------------------- *
2535 * CHARACTER SELECTION * 2590 * CHARACTER SELECTION *
2536 * ------------------------------------------------------------------------- */ 2591 * ------------------------------------------------------------------------- */
2537void 2592void
2538rxvt_term::selection_check (int check_more) 2593rxvt_term::selection_check (int check_more) NOTHROW
2539{ 2594{
2540 row_col_t pos; 2595 row_col_t pos;
2541 2596
2542 if (!selection.op) 2597 if (!selection.op)
2543 return; 2598 return;
2544 2599
2545 pos.row = pos.col = 0; 2600 pos.row = pos.col = 0;
2546 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2601 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2547 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2602 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2548 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2603 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2549 || (check_more == 1 2604 || (check_more == 1
2550 && current_screen == selection.screen 2605 && current_screen == selection.screen
2551 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2606 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2552 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2607 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2553 || (check_more == 2 2608 || (check_more == 2
… …
2564/* ------------------------------------------------------------------------- */ 2619/* ------------------------------------------------------------------------- */
2565/* 2620/*
2566 * Paste a selection direct to the command fd 2621 * Paste a selection direct to the command fd
2567 */ 2622 */
2568void 2623void
2569rxvt_term::paste (unsigned char *data, unsigned int len) 2624rxvt_term::paste (char *data, unsigned int len) NOTHROW
2570{ 2625{
2571 /* convert normal newline chars into common keyboard Return key sequence */ 2626 /* convert normal newline chars into common keyboard Return key sequence */
2572 for (unsigned int i = 0; i < len; i++) 2627 for (unsigned int i = 0; i < len; i++)
2573 if (data[i] == C0_LF) 2628 if (data[i] == C0_LF)
2574 data[i] = C0_CR; 2629 data[i] = C0_CR;
… …
2580/* 2635/*
2581 * Respond to a notification that a primary selection has been sent 2636 * Respond to a notification that a primary selection has been sent
2582 * EXT: SelectionNotify 2637 * EXT: SelectionNotify
2583 */ 2638 */
2584void 2639void
2585rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) 2640rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2586{ 2641{
2587 if (prop == None) /* check for failed XConvertSelection */ 2642 if (prop == None) /* check for failed XConvertSelection */
2588 { 2643 {
2589 if ((selection_type & Sel_CompoundText)) 2644 if ((selection_type & Sel_CompoundText))
2590 { 2645 {
… …
2718 { 2773 {
2719 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2774 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2720 char *s = rxvt_wcstombs (w); 2775 char *s = rxvt_wcstombs (w);
2721 free (w); 2776 free (w);
2722 // TODO: strlen == only the first element will be converted. well... 2777 // TODO: strlen == only the first element will be converted. well...
2723 paste ((unsigned char *)s, strlen (s)); 2778 paste (s, strlen (s));
2724 free (s); 2779 free (s);
2725 } 2780 }
2726 else 2781 else
2727#endif 2782#endif
2728 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2783 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2729 && cl) 2784 && cl)
2730 { 2785 {
2731 for (int i = 0; i < cr; i++) 2786 for (int i = 0; i < cr; i++)
2732 paste ((unsigned char *)cl[i], strlen (cl[i])); 2787 paste (cl[i], strlen (cl[i]));
2733 2788
2734 XFreeStringList (cl); 2789 XFreeStringList (cl);
2735 } 2790 }
2736 else 2791 else
2737 paste (ct.value, ct.nitems); // paste raw 2792 paste ((char *)ct.value, ct.nitems); // paste raw
2738 2793
2739bailout: 2794bailout:
2740 XFree (ct.value); 2795 XFree (ct.value);
2741 2796
2742 if (selection_wait == Sel_normal) 2797 if (selection_wait == Sel_normal)
2743 selection_wait = Sel_none; 2798 selection_wait = Sel_none;
2744} 2799}
2745 2800
2746void 2801void
2747rxvt_term::incr_cb (time_watcher &w) 2802rxvt_term::incr_cb (time_watcher &w) NOTHROW
2748{ 2803{
2749 selection_wait = Sel_none; 2804 selection_wait = Sel_none;
2750 2805
2751 incr_buf_size = 0; 2806 incr_buf_size = 0;
2752 free (incr_buf); 2807 free (incr_buf);
2753 2808
2754 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); 2809 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2755} 2810}
2756 2811
2757void 2812void
2758rxvt_term::selection_property (Window win, Atom prop) 2813rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2759{ 2814{
2760 if (prop == None || selection_wait != Sel_incr) 2815 if (prop == None || selection_wait != Sel_incr)
2761 return; 2816 return;
2762 2817
2763 selection_paste (win, prop, true); 2818 selection_paste (win, prop, true);
… …
2772 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2827 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2773 * will auto fallback to CUT_BUFFER0 2828 * will auto fallback to CUT_BUFFER0
2774 * EXT: button 2 release 2829 * EXT: button 2 release
2775 */ 2830 */
2776void 2831void
2777rxvt_term::selection_request (Time tm, int x, int y) 2832rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2778{ 2833{
2779 if (x < 0 || x >= width || y < 0 || y >= height) 2834 if (selection.text && selnum == Sel_Primary)
2780 return; /* outside window */
2781
2782 if (selection.text)
2783 { /* internal selection */ 2835 { /* internal selection */
2784 char *str = rxvt_wcstombs (selection.text, selection.len); 2836 char *str = rxvt_wcstombs (selection.text, selection.len);
2785 paste ((unsigned char *)str, strlen (str)); 2837 paste (str, strlen (str));
2786 free (str); 2838 free (str);
2787 return; 2839 return;
2788 } 2840 }
2789 else 2841 else
2790 { 2842 {
2791 int i;
2792
2793 selection_request_time = tm; 2843 selection_request_time = tm;
2794 selection_wait = Sel_normal; 2844 selection_wait = Sel_normal;
2795 2845
2796 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2797 {
2798#if X_HAVE_UTF8_STRING 2846#if X_HAVE_UTF8_STRING
2799 selection_type = Sel_UTF8String; 2847 selection_type = Sel_UTF8String;
2800 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2848 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2801 return; 2849 return;
2802#else 2850#else
2803 selection_type = Sel_CompoundText; 2851 selection_type = Sel_CompoundText;
2804 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2852 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2805 return; 2853 return;
2806#endif 2854#endif
2807 }
2808 } 2855 }
2809 2856
2810 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2857 selection_wait = Sel_none; /* don't loop in selection_paste () */
2811 selection_paste (display->root, XA_CUT_BUFFER0, false); 2858 selection_paste (display->root, XA_CUT_BUFFER0, false);
2812} 2859}
2813 2860
2814int 2861int
2815rxvt_term::selection_request_other (Atom target, int selnum) 2862rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2816{ 2863{
2817 Atom sel; 2864 Atom sel;
2818 2865
2819 selection_type |= selnum; 2866 selection_type |= selnum;
2820 2867
… …
2839/* 2886/*
2840 * Clear all selected text 2887 * Clear all selected text
2841 * EXT: SelectionClear 2888 * EXT: SelectionClear
2842 */ 2889 */
2843void 2890void
2844rxvt_term::selection_clear () 2891rxvt_term::selection_clear () NOTHROW
2845{ 2892{
2846 want_refresh = 1; 2893 want_refresh = 1;
2847 free (selection.text); 2894 free (selection.text);
2848 selection.text = NULL; 2895 selection.text = NULL;
2849 selection.len = 0; 2896 selection.len = 0;
… …
2882 selection.op = SELECTION_DONE; 2929 selection.op = SELECTION_DONE;
2883 2930
2884 if (selection.clicks == 4) 2931 if (selection.clicks == 4)
2885 return; /* nothing selected, go away */ 2932 return; /* nothing selected, go away */
2886 2933
2887 if (PERL_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2934 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2888 return; 2935 return;
2889 2936
2890 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2937 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2891 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2938 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2892 2939
… …
2906 col = selection.beg.col; 2953 col = selection.beg.col;
2907 end_col = ncol + 1; 2954 end_col = ncol + 1;
2908 } 2955 }
2909 else 2956 else
2910#endif 2957#endif
2911 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2958 end_col = ROW(row).l;
2912 2959
2913 col = max (col, 0); 2960 col = max (col, 0);
2914 2961
2915 if (row == selection.end.row 2962 if (row == selection.end.row
2916#if ENABLE_FRILLS 2963#if ENABLE_FRILLS
… …
2918#endif 2965#endif
2919 ) 2966 )
2920 min_it (end_col, selection.end.col); 2967 min_it (end_col, selection.end.col);
2921 2968
2922 t = ROW(row).t + col; 2969 t = ROW(row).t + col;
2970
2923 for (; col < end_col; col++) 2971 for (; col < end_col; col++)
2924 { 2972 {
2925 if (*t == NOCHAR) 2973 if (*t == NOCHAR)
2926 t++; 2974 t++;
2927#if ENABLE_COMBINING 2975#if ENABLE_COMBINING
… …
2976 3024
2977 // we usually allocate much more than necessary, so realloc it smaller again 3025 // we usually allocate much more than necessary, so realloc it smaller again
2978 selection.len = ofs; 3026 selection.len = ofs;
2979 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3027 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2980 3028
2981 if (PERL_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END))) 3029 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2982 return; 3030 return;
2983 3031
2984 selection_grab (tm); 3032 selection_grab (tm);
2985} 3033}
2986 3034
2987bool 3035bool
2988rxvt_term::selection_grab (Time tm) 3036rxvt_term::selection_grab (Time tm) NOTHROW
2989{ 3037{
2990 selection_time = tm; 3038 selection_time = tm;
2991 3039
2992 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3040 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2993 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3041 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
2994 { 3042 {
2995 display->set_selection_owner (this); 3043 display->set_selection_owner (this);
2996 return true; 3044 return true;
2997 } 3045 }
2998 else 3046 else
3047 {
3048 selection_clear ();
2999 return false; 3049 return false;
3050 }
3000 3051
3001#if 0 3052#if 0
3002 XTextProperty ct; 3053 XTextProperty ct;
3003 3054
3004 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3055 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
… …
3013/* 3064/*
3014 * Mark or select text based upon number of clicks: 1, 2, or 3 3065 * Mark or select text based upon number of clicks: 1, 2, or 3
3015 * EXT: button 1 press 3066 * EXT: button 1 press
3016 */ 3067 */
3017void 3068void
3018rxvt_term::selection_click (int clicks, int x, int y) 3069rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3019{ 3070{
3020 clicks = ((clicks - 1) % 3) + 1; 3071 clicks = ((clicks - 1) % 3) + 1;
3021 selection.clicks = clicks; /* save clicks so extend will work */ 3072 selection.clicks = clicks; /* save clicks so extend will work */
3022 3073
3074 if (clicks == 2 && !selection.rect
3075 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3076 {
3077 MEvent.clicks = 1; // what a mess
3078 selection.screen = current_screen;
3079 selection.op = SELECTION_CONT;
3080 return;
3081 }
3082
3023 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3083 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3024 3084
3025 if (clicks == 2 || clicks == 3) 3085 if (clicks == 2 || clicks == 3)
3026 selection_extend_colrow (selection.mark.col, 3086 selection_extend_colrow (selection.mark.col,
3027 selection.mark.row + view_start, 3087 selection.mark.row - view_start,
3028 0, /* button 3 */ 3088 0, /* button 3 */
3029 1, /* button press */ 3089 1, /* button press */
3030 0); /* click change */ 3090 0); /* click change */
3031} 3091}
3032 3092
3033/* ------------------------------------------------------------------------- */ 3093/* ------------------------------------------------------------------------- */
3034/* 3094/*
3035 * Mark a selection at the specified col/row 3095 * Mark a selection at the specified col/row
3036 */ 3096 */
3037void 3097void
3038rxvt_term::selection_start_colrow (int col, int row) 3098rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3039{ 3099{
3040 want_refresh = 1; 3100 want_refresh = 1;
3041 3101
3042 selection.mark.row = row - view_start; 3102 selection.mark.row = row + view_start;
3043 selection.mark.col = col; 3103 selection.mark.col = col;
3044 3104
3045 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); 3105 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3046 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); 3106 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3047 3107
3048 while (selection.mark.col > 0 3108 while (selection.mark.col > 0
3049 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3109 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3050 --selection.mark.col; 3110 --selection.mark.col;
… …
3069#define DELIMIT_TEXT(x) \ 3129#define DELIMIT_TEXT(x) \
3070 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3130 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3071#define DELIMIT_REND(x) 1 3131#define DELIMIT_REND(x) 1
3072 3132
3073void 3133void
3074rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3134rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3075{ 3135{
3076 int col, row, dirnadd, tcol, trow, w1, w2; 3136 int col, row, dirnadd, tcol, trow, w1, w2;
3077 row_col_t bound; 3137 row_col_t bound;
3078 text_t *stp; 3138 text_t *stp;
3079 rend_t *srp; 3139 rend_t *srp;
3080 3140
3081 if (dirn == UP) 3141 if (dirn == UP)
3082 { 3142 {
3083 bound.row = - nsaved - 1; 3143 bound.row = top_row - 1;
3084 bound.col = 0; 3144 bound.col = 0;
3085 dirnadd = -1; 3145 dirnadd = -1;
3086 } 3146 }
3087 else 3147 else
3088 { 3148 {
… …
3136 } 3196 }
3137 } 3197 }
3138 break; 3198 break;
3139 } 3199 }
3140 3200
3141Old_Word_Selection_You_Die:
3142 if (dirn == DN) 3201 if (dirn == DN)
3143 col++; /* put us on one past the end */ 3202 col++; /* put us on one past the end */
3144 3203
3145 /* Poke the values back in */ 3204 /* Poke the values back in */
3146 ret->row = row; 3205 ret->row = row;
… …
3154 * flag == 0 ==> button 1 3213 * flag == 0 ==> button 1
3155 * flag == 1 ==> button 3 press 3214 * flag == 1 ==> button 3 press
3156 * flag == 2 ==> button 3 motion 3215 * flag == 2 ==> button 3 motion
3157 */ 3216 */
3158void 3217void
3159rxvt_term::selection_extend (int x, int y, int flag) 3218rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3160{ 3219{
3161 int col = clamp (Pixel2Col (x), 0, ncol); 3220 int col = clamp (Pixel2Col (x), 0, ncol);
3162 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3221 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3163 3222
3164 /* 3223 /*
… …
3167 * select nothing. Otherwise, if we're to the right of the mark, you have to 3226 * select nothing. Otherwise, if we're to the right of the mark, you have to
3168 * be _past_ a character for it to be selected. 3227 * be _past_ a character for it to be selected.
3169 */ 3228 */
3170 if (((selection.clicks % 3) == 1) && !flag 3229 if (((selection.clicks % 3) == 1) && !flag
3171 && (col == selection.mark.col 3230 && (col == selection.mark.col
3172 && (row == selection.mark.row + view_start))) 3231 && (row == selection.mark.row - view_start)))
3173 { 3232 {
3174 /* select nothing */ 3233 /* select nothing */
3175 selection.beg.row = selection.end.row = 0; 3234 selection.beg.row = selection.end.row = 0;
3176 selection.beg.col = selection.end.col = 0; 3235 selection.beg.col = selection.end.col = 0;
3177 selection.clicks = 4; 3236 selection.clicks = 4;
… …
3190/* ------------------------------------------------------------------------- */ 3249/* ------------------------------------------------------------------------- */
3191/* 3250/*
3192 * Extend the selection to the specified col/row 3251 * Extend the selection to the specified col/row
3193 */ 3252 */
3194void 3253void
3195rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3254rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3196{ 3255{
3197 row_col_t pos; 3256 row_col_t pos;
3198 enum { 3257 enum {
3199 LEFT, RIGHT 3258 LEFT, RIGHT
3200 } closeto = RIGHT; 3259 } closeto = RIGHT;
… …
3232 selection.beg.col = selection.end.col = selection.mark.col; 3291 selection.beg.col = selection.end.col = selection.mark.col;
3233 selection.beg.row = selection.end.row = selection.mark.row; 3292 selection.beg.row = selection.end.row = selection.mark.row;
3234 } 3293 }
3235 3294
3236 pos.col = col; 3295 pos.col = col;
3237 pos.row = row - view_start; 3296 pos.row = view_start + row;
3238 3297
3239 /* 3298 /*
3240 * This is mainly xterm style selection with a couple of differences, mainly 3299 * This is mainly xterm style selection with a couple of differences, mainly
3241 * in the way button3 drag extension works. 3300 * in the way button3 drag extension works.
3242 * We're either doing: button1 drag; button3 press; or button3 drag 3301 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3386#endif 3445#endif
3387} 3446}
3388 3447
3389#if ENABLE_FRILLS 3448#if ENABLE_FRILLS
3390void 3449void
3391rxvt_term::selection_remove_trailing_spaces () 3450rxvt_term::selection_remove_trailing_spaces () NOTHROW
3392{ 3451{
3393 int32_t end_col, end_row; 3452 int32_t end_col, end_row;
3394 text_t *stp; 3453 text_t *stp;
3395 3454
3396 end_col = selection.end.col; 3455 end_col = selection.end.col;
… …
3434/* 3493/*
3435 * Double click on button 3 when already selected 3494 * Double click on button 3 when already selected
3436 * EXT: button 3 double click 3495 * EXT: button 3 double click
3437 */ 3496 */
3438void 3497void
3439rxvt_term::selection_rotate (int x, int y) 3498rxvt_term::selection_rotate (int x, int y) NOTHROW
3440{ 3499{
3441 selection.clicks = selection.clicks % 3 + 1; 3500 selection.clicks = selection.clicks % 3 + 1;
3442 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3501 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3443} 3502}
3444 3503
… …
3446/* 3505/*
3447 * Respond to a request for our current selection 3506 * Respond to a request for our current selection
3448 * EXT: SelectionRequest 3507 * EXT: SelectionRequest
3449 */ 3508 */
3450void 3509void
3451rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3510rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3452{ 3511{
3453 XSelectionEvent ev; 3512 XSelectionEvent ev;
3454 dDisp; 3513 dDisp;
3455 3514
3456 ev.type = SelectionNotify; 3515 ev.type = SelectionNotify;
… …
3584 3643
3585/* 3644/*
3586 * return col/row values corresponding to x/y pixel values 3645 * return col/row values corresponding to x/y pixel values
3587 */ 3646 */
3588void 3647void
3589rxvt_term::pixel_position (int *x, int *y) 3648rxvt_term::pixel_position (int *x, int *y) NOTHROW
3590{ 3649{
3591 *x = Pixel2Col (*x); 3650 *x = Pixel2Col (*x);
3592 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */ 3651 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3593 *y = Pixel2Row (*y); 3652 *y = Pixel2Row (*y);
3594 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */ 3653 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3595} 3654}
3596 3655
3597/* ------------------------------------------------------------------------- */ 3656/* ------------------------------------------------------------------------- */
3598#ifdef USE_XIM 3657#ifdef USE_XIM
3599void 3658void
3600rxvt_term::im_set_position (XPoint &pos) 3659rxvt_term::im_set_position (XPoint &pos) NOTHROW
3601{ 3660{
3602 XWindowAttributes xwa; 3661 XWindowAttributes xwa;
3603 3662
3604 XGetWindowAttributes (display->display, vt, &xwa); 3663 XGetWindowAttributes (display->display, vt, &xwa);
3605 3664
… …
3608} 3667}
3609#endif 3668#endif
3610 3669
3611#if ENABLE_OVERLAY 3670#if ENABLE_OVERLAY
3612void 3671void
3613rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3672rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3614{ 3673{
3615 if (nrow < 1 || ncol < 1) 3674 if (nrow < 1 || ncol < 1)
3616 return; 3675 return;
3617 3676
3618 want_refresh = 1; 3677 want_refresh = 1;
… …
3663 *rp = r; 3722 *rp = r;
3664 } 3723 }
3665} 3724}
3666 3725
3667void 3726void
3668rxvt_term::scr_overlay_off () 3727rxvt_term::scr_overlay_off () NOTHROW
3669{ 3728{
3670 if (!ov_text) 3729 if (!ov_text)
3671 return; 3730 return;
3672 3731
3673 want_refresh = 1; 3732 want_refresh = 1;
… …
3681 delete [] ov_text; ov_text = 0; 3740 delete [] ov_text; ov_text = 0;
3682 delete [] ov_rend; ov_rend = 0; 3741 delete [] ov_rend; ov_rend = 0;
3683} 3742}
3684 3743
3685void 3744void
3686rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3745rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3687{ 3746{
3688 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3747 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3689 return; 3748 return;
3690 3749
3691 x++, y++; 3750 x++, y++;
… …
3693 ov_text[y][x] = text; 3752 ov_text[y][x] = text;
3694 ov_rend[y][x] = rend; 3753 ov_rend[y][x] = rend;
3695} 3754}
3696 3755
3697void 3756void
3698rxvt_term::scr_overlay_set (int x, int y, const char *s) 3757rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3699{ 3758{
3700 while (*s) 3759 while (*s)
3701 scr_overlay_set (x++, y, *s++); 3760 scr_overlay_set (x++, y, *s++);
3702} 3761}
3703 3762
3704void 3763void
3705rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3764rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3706{ 3765{
3707 while (*s) 3766 while (*s)
3708 { 3767 {
3709 text_t t = *s++; 3768 text_t t = *s++;
3710 int width = wcwidth (t); 3769 int width = wcwidth (t);
… …
3716 } 3775 }
3717 } 3776 }
3718} 3777}
3719 3778
3720void 3779void
3721rxvt_term::scr_swap_overlay () 3780rxvt_term::scr_swap_overlay () NOTHROW
3722{ 3781{
3723 if (!ov_text) 3782 if (!ov_text)
3724 return; 3783 return;
3725 3784
3726 // swap screen mem with overlay 3785 // swap screen mem with overlay
3727 for (int y = ov_h; y--; ) 3786 for (int y = ov_h; y--; )
3728 { 3787 {
3729 text_t *t1 = ov_text[y]; 3788 text_t *t1 = ov_text[y];
3730 rend_t *r1 = ov_rend[y]; 3789 rend_t *r1 = ov_rend[y];
3731 3790
3732 text_t *t2 = ROW(y + ov_y - view_start).t + ov_x; 3791 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3733 rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x; 3792 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3734 3793
3735 for (int x = ov_w; x--; ) 3794 for (int x = ov_w; x--; )
3736 { 3795 {
3737 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3796 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3738 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3797 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines