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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.209 by root, Thu Jan 5 01:04:10 2006 UTC vs.
Revision 1.240 by root, Thu Jan 19 17:21:20 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
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
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 * ------------------------------------------------------------------------- */
… …
174 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
175 { 180 {
176 //TODO//FIXME 181 //TODO//FIXME
177 saveLines++; 182 saveLines++;
178 prev_nrow--; 183 prev_nrow--;
179 nsaved++; 184 top_row--;
180 } 185 }
181 186
182 want_refresh = 1; 187 want_refresh = 1;
183 188
184 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
… …
189 194
190 if (!row_buf) 195 if (!row_buf)
191 { 196 {
192 /* 197 /*
193 * first time called so just malloc everything: don't rely on realloc 198 * 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 */ 199 */
196 nsaved = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
197 term_start = 0; 201 term_start = 0;
198 202
199 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
200 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
201 205
202 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 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)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 209
207 for (int row = nrow; row--; ) 210 for (int row = nrow; row--; )
208 { 211 {
209 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
210 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
… …
236 CLEAR_ALL_SELECTION (); 239 CLEAR_ALL_SELECTION ();
237 rvideo = 0; 240 rvideo = 0;
238 } 241 }
239 else 242 else
240 { 243 {
244 CLEAR_ALL_SELECTION ();
245
241 /* 246 /*
242 * add or delete rows as appropriate 247 * add or delete rows as appropriate
243 */ 248 */
244 249
245 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); 250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
… …
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;
… …
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;
… …
353 qcol += len; 362 qcol += len;
354 } 363 }
355 } 364 }
356 365
357 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; 366 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
358#ifdef DEBUG_STRICT //TODO//FIXME//TEMPORARY 367 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); 368 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
366 } 369 }
367 while (p != pend && q > 0); 370 while (p != pend && q > 0);
368 371
369 term_start = total_rows - nrow; 372 term_start = total_rows - nrow;
370 nsaved = term_start - q; 373 top_row = q - term_start;
371 374
372 // make sure all terminal lines exist 375 // make sure all terminal lines exist
373 while (nsaved < 0) 376 while (top_row > 0)
374 scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE); 377 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
375
376 } 378 }
377 else 379 else
378 { 380 {
379 // if no scrollback exists (yet), wing, instead of wrap 381 // if no scrollback exists (yet), wing, instead of wrap
380 382
… …
393 } 395 }
394 396
395 term_start = 0; 397 term_start = 0;
396 } 398 }
397 399
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); 400 free (old_buf);
404 delete old_ta; 401 delete old_ta;
405 delete old_ra; 402 delete old_ra;
406 403
407 clamp_it (screen.cur.row, 0, nrow - 1); 404 clamp_it (screen.cur.row, 0, nrow - 1);
… …
419 for (int col = ncol; col--; ) 416 for (int col = ncol; col--; )
420 tabs [col] = col % TABSIZE == 0; 417 tabs [col] = col % TABSIZE == 0;
421 418
422 tt_winch (); 419 tt_winch ();
423 420
424 PERL_INVOKE ((this, HOOK_RESET, DT_END)); 421 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
425} 422}
426 423
427/* ------------------------------------------------------------------------- */ 424/* ------------------------------------------------------------------------- */
428/* 425/*
429 * Free everything. That way malloc debugging can find leakage. 426 * Free everything. That way malloc debugging can find leakage.
… …
435 delete ralloc; ralloc = 0; 432 delete ralloc; ralloc = 0;
436 433
437 free (row_buf); 434 free (row_buf);
438 free (swap_buf); 435 free (swap_buf);
439 free (drawn_buf); 436 free (drawn_buf);
440 free (temp_buf);
441 free (tabs); 437 free (tabs);
442 438
443 row_buf = 0; // signal that we freed all the arrays 439 row_buf = 0; // signal that we freed all the arrays
444} 440}
445 441
… …
453 scr_release (); 449 scr_release ();
454 prev_nrow = prev_ncol = 0; 450 prev_nrow = prev_ncol = 0;
455 scr_reset (); 451 scr_reset ();
456 452
457 scr_clear (true); 453 scr_clear (true);
458 scr_refresh (SLOW_REFRESH); 454 scr_refresh ();
459} 455}
460 456
461/* ------------------------------------------------------------------------- * 457/* ------------------------------------------------------------------------- *
462 * PROCESS SCREEN COMMANDS * 458 * PROCESS SCREEN COMMANDS *
463 * ------------------------------------------------------------------------- */ 459 * ------------------------------------------------------------------------- */
… …
577 * Change the colour for following text 573 * Change the colour for following text
578 */ 574 */
579void 575void
580rxvt_term::scr_color (unsigned int color, int fgbg) 576rxvt_term::scr_color (unsigned int color, int fgbg)
581{ 577{
582 if (color > maxTermCOLOR) 578 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
583 color = fgbg; 579 color = fgbg;
584 580
585 if (fgbg == Color_fg) 581 if (fgbg == Color_fg)
586 rstyle = SET_FGCOLOR (rstyle, color); 582 rstyle = SET_FGCOLOR (rstyle, color);
587 else 583 else
… …
618 want_refresh = 1; 614 want_refresh = 1;
619 num_scr += count; 615 num_scr += count;
620 616
621 if (count > 0 617 if (count > 0
622 && row1 == 0 618 && row1 == 0
623 && row2 == nrow - 1
624 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll))) 619 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
625 { 620 {
626 nsaved = min (nsaved + count, saveLines); 621 top_row = max (top_row - count, -saveLines);
627 622
628 PERL_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, nsaved, DT_END)); 623 // scroll everything up 'count' lines
624 term_start = (term_start + count) % total_rows;
625
626 // sever bottommost line
627 {
628 line_t &l = ROW(row2 - count);
629 l.is_longer (0);
630 l.touch ();
631 }
632
633 // erase newly scrolled-in lines
634 for (int i = count; i--; )
635 {
636 // basically this is a slightly optimized scr_blank_screen_mem
637 // it is worth the effort on slower machines
638 line_t &l = ROW(nrow - 1 - i);
639
640 scr_blank_line (l, 0, l.l, rstyle);
641
642 l.l = 0;
643 l.f = 0;
644 }
645
646 // now copy lines below the scroll region bottom to the
647 // bottom of the screen again, so they look as if they
648 // hadn't moved.
649 for (int i = nrow; --i > row2; )
650 {
651 line_t &l1 = ROW(i - count);
652 line_t &l2 = ROW(i);
653
654 ::swap (l1, l2);
655 l2.touch ();
656 }
629 657
630 term_start = (term_start + count) % total_rows; 658 // move and/or clear selection, if any
631
632 if (selection.op && current_screen == selection.screen) 659 if (selection.op && current_screen == selection.screen)
633 { 660 {
634 selection.beg.row -= count; 661 selection.beg.row -= count;
635 selection.end.row -= count; 662 selection.end.row -= count;
636 selection.mark.row -= count; 663 selection.mark.row -= count;
637 664
638 if (selection.beg.row < -nsaved 665 if (selection.beg.row < top_row
639 || selection.end.row < -nsaved 666 || selection.end.row < top_row
640 || selection.mark.row < -nsaved) 667 || selection.mark.row < top_row)
641 { 668 {
642 CLEAR_ALL_SELECTION (); 669 CLEAR_ALL_SELECTION ();
643 selection.op = SELECTION_CLEAR; 670 selection.op = SELECTION_CLEAR;
644 } 671 }
645 } 672 }
646 673
647 for (int i = count; i--; ) 674 // 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) 675 if (OPTION (Opt_scrollWithBuffer)
654 && view_start != 0 676 && view_start != 0
655 && view_start != saveLines) 677 && view_start != -saveLines)
656 scr_page (UP, count); 678 scr_page (UP, count);
679
680 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
681 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
657 } 682 }
658 else 683 else
659 { 684 {
660 if (selection.op && current_screen == selection.screen) 685 if (selection.op && current_screen == selection.screen)
661 { 686 {
… …
685 710
686 int rows = row2 - row1 + 1; 711 int rows = row2 - row1 + 1;
687 712
688 min_it (count, rows); 713 min_it (count, rows);
689 714
715 line_t *temp_buf = row_buf + total_rows;
716
690 for (int row = 0; row < rows; row++) 717 for (int row = 0; row < rows; row++)
691 { 718 {
692 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 719 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
693 720
694 if (!IN_RANGE_EXC (row + count, 0, rows)) 721 if (!IN_RANGE_EXC (row + count, 0, rows))
… …
705/* ------------------------------------------------------------------------- */ 732/* ------------------------------------------------------------------------- */
706/* 733/*
707 * Add text given in <str> of length <len> to screen struct 734 * Add text given in <str> of length <len> to screen struct
708 */ 735 */
709void 736void
710rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 737rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)
711{ 738{
712 if (len <= 0) /* sanity */ 739 if (len <= 0) /* sanity */
713 return; 740 return;
714 741
715 unsigned char checksel; 742 unsigned char checksel;
716 unicode_t c; 743 unicode_t c;
717 int last_col; 744 int ncol = this->ncol;
718 const unicode_t *strend = str + len; 745 const wchar_t *strend = str + len;
719 746
720 want_refresh = 1; 747 want_refresh = 1;
721 ZERO_SCROLLBACK (); 748 ZERO_SCROLLBACK ();
722 last_col = ncol;
723 749
724 if (nlines > 0) 750 if (minlines > 0)
725 { 751 {
726 nlines += screen.cur.row - screen.bscroll; 752 minlines += screen.cur.row - screen.bscroll;
727 753
728 if (nlines > 0 754 if (minlines > 0
729 && screen.tscroll == 0 755 && screen.tscroll == 0
730 && screen.bscroll == (nrow - 1)) 756 && screen.bscroll == nrow - 1)
731 { 757 {
732 /* _at least_ this many lines need to be scrolled */ 758 /* _at least_ this many lines need to be scrolled */
733 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 759 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
734 screen.cur.row -= nlines; 760 screen.cur.row -= minlines;
735 } 761 }
736 } 762 }
737 763
738#ifdef DEBUG_STRICT 764#ifdef DEBUG_STRICT
739 assert (screen.cur.col < last_col); 765 assert (screen.cur.col < ncol);
740 assert (screen.cur.row < nrow 766 assert (screen.cur.row < nrow
741 && screen.cur.row >= -nsaved); 767 && screen.cur.row >= top_row);
742#endif 768#endif
743 int row = screen.cur.row; 769 int row = screen.cur.row;
744 770
745 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 771 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
746 772
747 line_t *line = &ROW(row); 773 line_t *line = &ROW(row);
748 774
749 while (str < strend) 775 while (str < strend)
750 { 776 {
751 c = *str++; 777 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
752 778
753 if (c < 0x20) 779 if (c < 0x20)
754 if (c == C0_LF) 780 if (c == C0_LF)
755 { 781 {
756 if (!line->is_longer ()) /* XXX: think about this */
757 max_it (line->l, screen.cur.col); 782 max_it (line->l, screen.cur.col);
758 783
759 screen.flags &= ~Screen_WrapNext; 784 screen.flags &= ~Screen_WrapNext;
760 785
761 if (screen.cur.row == screen.bscroll) 786 if (screen.cur.row == screen.bscroll)
762 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 787 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
… …
766 line = &ROW(row); /* _must_ refresh */ 791 line = &ROW(row); /* _must_ refresh */
767 continue; 792 continue;
768 } 793 }
769 else if (c == C0_CR) 794 else if (c == C0_CR)
770 { 795 {
771 if (!line->is_longer ()) /* XXX: think about this */
772 max_it (line->l, screen.cur.col); 796 max_it (line->l, screen.cur.col);
773 797
774 screen.flags &= ~Screen_WrapNext; 798 screen.flags &= ~Screen_WrapNext;
775 screen.cur.col = 0; 799 screen.cur.col = 0;
776 continue; 800 continue;
777 } 801 }
… …
794 CLEAR_SELECTION (); 818 CLEAR_SELECTION ();
795 } 819 }
796 820
797 if (screen.flags & Screen_WrapNext) 821 if (screen.flags & Screen_WrapNext)
798 { 822 {
799 line->set_is_longer ();
800
801 scr_do_wrap (); 823 scr_do_wrap ();
802 824
825 line->l = ncol;
826 line->is_longer (1);
827
803 row = screen.cur.row; 828 row = screen.cur.row;
804 line = &ROW(row); /* _must_ refresh */ 829 line = &ROW(row); /* _must_ refresh */
805 } 830 }
806 831
807 // some utf-8 decoders "decode" surrogate characters: let's fix this. 832 // some utf-8 decoders "decode" surrogate characters: let's fix this.
… …
812 // do wcwidth before further replacements, as wcwidth might return -1 837 // do wcwidth before further replacements, as wcwidth might return -1
813 // for the line drawing characters below as they might be invalid in the current 838 // for the line drawing characters below as they might be invalid in the current
814 // locale. 839 // locale.
815 int width = c < 0x100 ? 1 : wcwidth (c); 840 int width = c < 0x100 ? 1 : wcwidth (c);
816 841
817 if (charsets[screen.charset] == '0') // DEC SPECIAL 842 if (charsets [screen.charset] == '0') // DEC SPECIAL
818 { 843 {
819 // vt100 special graphics and line drawing 844 // vt100 special graphics and line drawing
820 // 5f-7e standard vt100 845 // 5f-7e standard vt100
821 // 40-5e rxvt extension for extra curses acs chars 846 // 40-5e rxvt extension for extra curses acs chars
822 static uint16_t vt100_0[62] = { // 41 .. 7e 847 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
874 } 899 }
875 900
876 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 901 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
877 902
878 // if the character doesn't fit into the remaining columns... 903 // if the character doesn't fit into the remaining columns...
879 if (screen.cur.col > last_col - width && last_col >= width) 904 if (screen.cur.col > ncol - width && ncol >= width)
880 { 905 {
881 // ...output spaces 906 // ...output spaces
882 c = ' '; 907 c = ' ';
883 // and try the same character next loop iteration 908 // and try the same character next loop iteration
884 --str; 909 --str;
885 } 910 }
886 911
912 line->touch ();
913
887 do 914 do
888 { 915 {
889 line->t[screen.cur.col] = c; 916 line->t[screen.cur.col] = c;
890 line->r[screen.cur.col] = rend; 917 line->r[screen.cur.col] = rend;
891 918
892 if (screen.cur.col < last_col - 1) 919 if (screen.cur.col < ncol - 1)
893 screen.cur.col++; 920 screen.cur.col++;
894 else 921 else
895 { 922 {
896 line->l = last_col; 923 line->l = ncol;
897 if (screen.flags & Screen_Autowrap) 924 if (screen.flags & Screen_Autowrap)
898 screen.flags |= Screen_WrapNext; 925 screen.flags |= Screen_WrapNext;
899 break; 926 break;
900 } 927 }
901 928
… …
903 } 930 }
904 while (--width > 0); 931 while (--width > 0);
905 932
906 // pad with spaces when overwriting wide character with smaller one 933 // pad with spaces when overwriting wide character with smaller one
907 if (!width) 934 if (!width)
935 {
936 line->touch ();
937
908 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 938 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
909 { 939 {
910 line->t[c] = ' '; 940 line->t[c] = ' ';
911 line->r[c] = rend; 941 line->r[c] = rend;
912 } 942 }
943 }
913 } 944 }
914 else // width == 0 945 else // width == 0
915 { 946 {
916#if ENABLE_COMBINING 947#if ENABLE_COMBINING
917 // handle combining characters 948 // handle combining characters
918 // we just tag the accent on the previous on-screen character. 949 // we just tag the accent on the previous on-screen character.
919 // this is arguably not correct, but also arguably not wrong. 950 // this is arguably not correct, but also arguably not wrong.
920 // we don't handle double-width characters nicely yet. 951 // we don't handle double-width characters nicely yet.
952 line_t *linep;
921 text_t *tp; 953 text_t *tp;
922 rend_t *rp; 954 rend_t *rp;
923 955
924 if (screen.cur.col > 0) 956 if (screen.cur.col > 0)
925 { 957 {
958 linep = line;
926 tp = line->t + screen.cur.col - 1; 959 tp = line->t + screen.cur.col - 1;
927 rp = line->r + screen.cur.col - 1; 960 rp = line->r + screen.cur.col - 1;
928
929 while (*tp == NOCHAR && tp > line->t)
930 tp--, rp--;
931 } 961 }
932 else if (screen.cur.row > 0 962 else if (screen.cur.row > 0
933 && ROW(screen.cur.row - 1).is_longer ()) 963 && ROW(screen.cur.row - 1).is_longer ())
934 { 964 {
935 line_t *line = &ROW(screen.cur.row - 1); 965 linep = &ROW(screen.cur.row - 1);
936
937 tp = line->t + last_col - 1; 966 tp = line->t + ncol - 1;
938 rp = line->r + last_col - 1; 967 rp = line->r + ncol - 1;
939
940 while (*tp == NOCHAR && tp > line->t)
941 tp--, rp--;
942 } 968 }
943 else 969 else
944 continue; 970 continue;
971
972 linep->touch ();
973
974 while (*tp == NOCHAR && tp > linep->t)
975 tp--, rp--;
945 976
946 // first try to find a precomposed character 977 // first try to find a precomposed character
947 unicode_t n = rxvt_compose (*tp, c); 978 unicode_t n = rxvt_compose (*tp, c);
948 if (n == NOCHAR) 979 if (n == NOCHAR)
949 n = rxvt_composite.compose (*tp, c); 980 n = rxvt_composite.compose (*tp, c);
… …
952 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 983 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
953#endif 984#endif
954 } 985 }
955 } 986 }
956 987
957 if (!line->is_longer ()) /* XXX: think about this */
958 max_it (line->l, screen.cur.col); 988 max_it (line->l, screen.cur.col);
959 989
960#ifdef DEBUG_STRICT 990#ifdef DEBUG_STRICT
961 assert (screen.cur.row >= 0); 991 assert (screen.cur.row >= 0);
962#endif 992#endif
963} 993}
… …
1013 1043
1014 for (; ++i < ncol; ) 1044 for (; ++i < ncol; )
1015 if (tabs[i]) 1045 if (tabs[i])
1016 { 1046 {
1017 x = i; 1047 x = i;
1048
1018 if (!--count) 1049 if (!--count)
1019 break; 1050 break;
1020 } 1051 }
1021 else 1052 else
1022 ht &= l.t[i] == ' ' 1053 ht &= l.t[i] == ' '
… …
1029 // buffer so they can be selected and pasted. 1060 // buffer so they can be selected and pasted.
1030 if (ht && OPTION (Opt_pastableTabs)) 1061 if (ht && OPTION (Opt_pastableTabs))
1031 { 1062 {
1032 base_rend = SET_FONT (base_rend, 0); 1063 base_rend = SET_FONT (base_rend, 0);
1033 1064
1034 if (!l.is_longer ()) /* XXX: think about this */ 1065 l.touch (x);
1035 max_it (l.l, x);
1036 1066
1037 i = screen.cur.col; 1067 i = screen.cur.col;
1038 1068
1039 l.t[i] = '\t'; 1069 l.t[i] = '\t';
1040 l.r[i] = base_rend; 1070 l.r[i] = base_rend;
… …
1094{ 1124{
1095 if (screen.cur.col < ncol - 1) 1125 if (screen.cur.col < ncol - 1)
1096 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1126 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1097 else 1127 else
1098 { 1128 {
1099 if (ROW(screen.cur.row).is_longer ()) //TODO//FIXME//LEN 1129 line_t &l = ROW(screen.cur.row);
1100 ROW(screen.cur.row).l = ncol; 1130
1131 l.touch ();
1132 l.is_longer (0);
1101 1133
1102 scr_gotorc (0, 0, R_RELATIVE); 1134 scr_gotorc (0, 0, R_RELATIVE);
1103 scr_insdel_chars (1, DELETE); 1135 scr_insdel_chars (1, DELETE);
1104 scr_gotorc (0, ncol - 1, R_RELATIVE); 1136 scr_gotorc (0, ncol - 1, R_RELATIVE);
1105 } 1137 }
… …
1196 ZERO_SCROLLBACK (); 1228 ZERO_SCROLLBACK ();
1197 1229
1198 selection_check (1); 1230 selection_check (1);
1199 1231
1200 line_t &line = ROW(screen.cur.row); 1232 line_t &line = ROW(screen.cur.row);
1233
1234 line.touch ();
1235 line.is_longer (0);
1201 1236
1202 switch (mode) 1237 switch (mode)
1203 { 1238 {
1204 case 0: /* erase to end of line */ 1239 case 0: /* erase to end of line */
1205 col = screen.cur.col; 1240 col = screen.cur.col;
… …
1300 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1335 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1301 } 1336 }
1302 1337
1303 for (; num--; row++) 1338 for (; num--; row++)
1304 { 1339 {
1305 ROW (row).l = 0;
1306 scr_blank_screen_mem (ROW (row), rstyle); 1340 scr_blank_screen_mem (ROW(row), rstyle);
1307 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1341 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1308 } 1342 }
1309} 1343}
1310 1344
1311#if ENABLE_FRILLS 1345#if ENABLE_FRILLS
… …
1313rxvt_term::scr_erase_savelines () 1347rxvt_term::scr_erase_savelines ()
1314{ 1348{
1315 want_refresh = 1; 1349 want_refresh = 1;
1316 ZERO_SCROLLBACK (); 1350 ZERO_SCROLLBACK ();
1317 1351
1318 nsaved = 0; 1352 top_row = 0;
1319} 1353}
1320#endif 1354#endif
1321 1355
1322/* ------------------------------------------------------------------------- */ 1356/* ------------------------------------------------------------------------- */
1323/* 1357/*
… …
1344 rend_t *r1 = line.r; 1378 rend_t *r1 = line.r;
1345 1379
1346 for (int j = ncol; j--; ) 1380 for (int j = ncol; j--; )
1347 *r1++ = fs; 1381 *r1++ = fs;
1348 1382
1349 line.l = ncol; /* make the `E's selectable */ 1383 line.is_longer (0);
1384 line.touch (ncol);
1350 } 1385 }
1351} 1386}
1352 1387
1353/* ------------------------------------------------------------------------- */ 1388/* ------------------------------------------------------------------------- */
1354/* 1389/*
… …
1402 min_it (count, ncol - screen.cur.col); 1437 min_it (count, ncol - screen.cur.col);
1403 1438
1404 row = screen.cur.row; 1439 row = screen.cur.row;
1405 1440
1406 line_t *line = &ROW(row); 1441 line_t *line = &ROW(row);
1442
1443 line->touch ();
1444 line->is_longer (0);
1407 1445
1408 switch (insdel) 1446 switch (insdel)
1409 { 1447 {
1410 case INSERT: 1448 case INSERT:
1411 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1449 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1412 { 1450 {
1413 line->t[col] = line->t[col - count]; 1451 line->t[col] = line->t[col - count];
1414 line->r[col] = line->r[col - count]; 1452 line->r[col] = line->r[col - count];
1415 } 1453 }
1416 1454
1417 if (!line->is_longer ()) 1455 line->l = min (line->l + count, ncol);
1418 {
1419 line->l += count;
1420 min_it (line->l, ncol);
1421 }
1422 1456
1423 if (selection.op && current_screen == selection.screen 1457 if (selection.op && current_screen == selection.screen
1424 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1458 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1425 { 1459 {
1426 if (selection.end.row != screen.cur.row 1460 if (selection.end.row != screen.cur.row
… …
1439 1473
1440 case ERASE: 1474 case ERASE:
1441 screen.cur.col += count; /* don't worry if > ncol */ 1475 screen.cur.col += count; /* don't worry if > ncol */
1442 selection_check (1); 1476 selection_check (1);
1443 screen.cur.col -= count; 1477 screen.cur.col -= count;
1478
1479 line->l = max (line->l - count, 0);
1444 scr_blank_line (*line, screen.cur.col, count, rstyle); 1480 scr_blank_line (*line, screen.cur.col, count, rstyle);
1445 break; 1481 break;
1446 1482
1447 case DELETE: 1483 case DELETE:
1448 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1484 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
… …
1451 { 1487 {
1452 line->t[col] = line->t[col + count]; 1488 line->t[col] = line->t[col + count];
1453 line->r[col] = line->r[col + count]; 1489 line->r[col] = line->r[col + count];
1454 } 1490 }
1455 1491
1492 line->l = max (line->l - count, 0);
1456 scr_blank_line (*line, ncol - count, count, tr); 1493 scr_blank_line (*line, ncol - count, count, tr);
1457
1458 if (line->is_longer ()) /* break line continuation */
1459 line->l = ncol;
1460
1461 line->l = max (line->l - count, 0);
1462 1494
1463 if (selection.op && current_screen == selection.screen 1495 if (selection.op && current_screen == selection.screen
1464 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1496 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1465 { 1497 {
1466 if (selection.end.row != screen.cur.row 1498 if (selection.end.row != screen.cur.row
… …
1578rxvt_term::scr_set_tab (int mode) 1610rxvt_term::scr_set_tab (int mode)
1579{ 1611{
1580 if (mode < 0) 1612 if (mode < 0)
1581 memset (tabs, 0, ncol * sizeof (char)); 1613 memset (tabs, 0, ncol * sizeof (char));
1582 else if (screen.cur.col < ncol) 1614 else if (screen.cur.col < ncol)
1583 tabs[screen.cur.col] = (mode ? 1 : 0); 1615 tabs [screen.cur.col] = !!mode;
1584} 1616}
1585 1617
1586/* ------------------------------------------------------------------------- */ 1618/* ------------------------------------------------------------------------- */
1587/* 1619/*
1588 * Set reverse/normal video 1620 * Set reverse/normal video
… …
1635 * Set font style 1667 * Set font style
1636 */ 1668 */
1637void 1669void
1638rxvt_term::set_font_style () 1670rxvt_term::set_font_style ()
1639{ 1671{
1672#if 0
1640 switch (charsets[screen.charset]) 1673 switch (charsets [screen.charset])
1641 { 1674 {
1642 case '0': /* DEC Special Character & Line Drawing Set */ 1675 case '0': /* DEC Special Character & Line Drawing Set */
1643 break; 1676 break;
1644 case 'A': /* United Kingdom (UK) */ 1677 case 'A': /* United Kingdom (UK) */
1645 break; 1678 break;
… …
1652 case 'C': /* Finnish character set */ 1685 case 'C': /* Finnish character set */
1653 break; 1686 break;
1654 case 'K': /* German character set */ 1687 case 'K': /* German character set */
1655 break; 1688 break;
1656 } 1689 }
1690#endif
1657} 1691}
1658 1692
1659/* ------------------------------------------------------------------------- */ 1693/* ------------------------------------------------------------------------- */
1660/* 1694/*
1661 * Choose a font 1695 * Choose a font
… …
1757 } 1791 }
1758 1792
1759 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1793 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1760 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1794 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1761 1795
1796 num_scr_allow = 0;
1797
1762 if (refresh) 1798 if (refresh)
1763 scr_refresh (SLOW_REFRESH); 1799 scr_refresh ();
1764} 1800}
1765 1801
1766/* ------------------------------------------------------------------------- */ 1802/* ------------------------------------------------------------------------- */
1767/* 1803/*
1768 * Refresh the entire screen 1804 * Refresh the entire screen
… …
1776/* ------------------------------------------------------------------------- */ 1812/* ------------------------------------------------------------------------- */
1777/* 1813/*
1778 * Move the display so that the line represented by scrollbar value Y is at 1814 * Move the display so that the line represented by scrollbar value Y is at
1779 * the top of the screen 1815 * the top of the screen
1780 */ 1816 */
1781int 1817void
1782rxvt_term::scr_move_to (int y, int len) 1818rxvt_term::scr_move_to (int y, int len)
1783{ 1819{
1784 long p = 0; 1820 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1785 unsigned int oldviewstart;
1786
1787 oldviewstart = view_start;
1788
1789 if (y < len)
1790 {
1791 p = (nrow + nsaved) * (len - y) / len;
1792 p -= (long) (nrow - 1);
1793 p = max (p, 0);
1794 }
1795
1796 view_start = (unsigned int)min (p, nsaved);
1797
1798 return scr_changeview (oldviewstart);
1799} 1821}
1800 1822
1801/* ------------------------------------------------------------------------- */ 1823/* ------------------------------------------------------------------------- */
1802/* 1824/*
1803 * Page the screen up/down nlines 1825 * Page the screen up/down nlines
1804 * direction should be UP or DN 1826 * direction should be UP or DN
1805 */ 1827 */
1806int 1828bool
1807rxvt_term::scr_page (enum page_dirn direction, int nlines) 1829rxvt_term::scr_page (enum page_dirn direction, int nlines)
1808{ 1830{
1809 int n; 1831 int new_view_start =
1810 unsigned int oldviewstart;
1811
1812 oldviewstart = view_start;
1813
1814 if (direction == UP)
1815 {
1816 n = view_start + nlines;
1817 view_start = min (n, nsaved);
1818 }
1819 else
1820 {
1821 n = view_start - nlines; 1832 direction == UP ? view_start - nlines
1822 view_start = max (n, 0); 1833 : view_start + nlines;
1823 }
1824 1834
1825 return scr_changeview (oldviewstart); 1835 return scr_changeview (new_view_start);
1826} 1836}
1827 1837
1828int 1838bool
1829rxvt_term::scr_changeview (unsigned int oldviewstart) 1839rxvt_term::scr_changeview (int new_view_start)
1830{ 1840{
1841 clamp_it (new_view_start, top_row, 0);
1842
1843 if (new_view_start == view_start)
1844 return false;
1845
1846 num_scr += new_view_start - view_start;
1847 view_start = new_view_start;
1848 want_refresh = 1;
1849
1831 PERL_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END)); 1850 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1832 1851
1833 if (view_start != oldviewstart) 1852 return true;
1834 {
1835 want_refresh = 1;
1836 num_scr -= (view_start - oldviewstart);
1837 }
1838
1839 return (int) (view_start - oldviewstart);
1840} 1853}
1841 1854
1842/* ------------------------------------------------------------------------- */ 1855/* ------------------------------------------------------------------------- */
1843void 1856void
1844rxvt_term::scr_bell () 1857rxvt_term::scr_bell ()
… …
1853# endif 1866# endif
1854 1867
1855 if (OPTION (Opt_visualBell)) 1868 if (OPTION (Opt_visualBell))
1856 { 1869 {
1857 scr_rvideo_mode (!rvideo); /* refresh also done */ 1870 scr_rvideo_mode (!rvideo); /* refresh also done */
1871 display->flush ();
1858 rxvt_usleep (VISUAL_BELL_DURATION); 1872 rxvt_usleep (VISUAL_BELL_DURATION);
1859 scr_rvideo_mode (!rvideo); /* refresh also done */ 1873 scr_rvideo_mode (!rvideo); /* refresh also done */
1860 } 1874 }
1861 else 1875 else
1862 XBell (display->display, 0); 1876 XBell (display->display, 0);
… …
1876 if ((fd = popen_printer ()) == NULL) 1890 if ((fd = popen_printer ()) == NULL)
1877 return; 1891 return;
1878 1892
1879 if (fullhist) 1893 if (fullhist)
1880 { 1894 {
1881 nrows = nrow + nsaved; 1895 nrows = nrow - top_row;
1882 row_start = -nsaved; 1896 row_start = top_row;
1883 } 1897 }
1884 else 1898 else
1885 { 1899 {
1886 nrows = nrow; 1900 nrows = nrow;
1887 row_start = -view_start; 1901 row_start = view_start;
1888 } 1902 }
1889 1903
1890 wctomb (0, 0); 1904 wctomb (0, 0);
1891 1905
1892 for (int r1 = 0; r1 < nrows; r1++) 1906 for (int r1 = 0; r1 < nrows; r1++)
… …
1924 * Refresh the screen 1938 * Refresh the screen
1925 * drawn_text/drawn_rend contain the screen information before the update. 1939 * drawn_text/drawn_rend contain the screen information before the update.
1926 * screen.text/screen.rend contain what the screen will change to. 1940 * screen.text/screen.rend contain what the screen will change to.
1927 */ 1941 */
1928void 1942void
1929rxvt_term::scr_refresh (unsigned char refresh_type) 1943rxvt_term::scr_refresh ()
1930{ 1944{
1931 unsigned char must_clear, /* use draw_string not draw_image_string */ 1945 unsigned char must_clear, /* use draw_string not draw_image_string */
1932 showcursor; /* show the cursor */ 1946 showcursor; /* show the cursor */
1933 int16_t col, row, /* column/row we're processing */ 1947 int16_t col, row, /* column/row we're processing */
1934 ocrow; /* old cursor row */ 1948 ocrow; /* old cursor row */
… …
2020 2034
2021 /* make sure no outline cursor is left around */ 2035 /* make sure no outline cursor is left around */
2022 setoldcursor = 0; 2036 setoldcursor = 0;
2023 if (ocrow != -1) 2037 if (ocrow != -1)
2024 { 2038 {
2025 if (screen.cur.row + view_start != ocrow 2039 if (screen.cur.row - view_start != ocrow
2026 || screen.cur.col != oldcursor.col) 2040 || screen.cur.col != oldcursor.col)
2027 { 2041 {
2028 if (ocrow < nrow 2042 if (ocrow < nrow
2029 && oldcursor.col < ncol) 2043 && oldcursor.col < ncol)
2030 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2044 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
… …
2038 else if (!focus) 2052 else if (!focus)
2039 setoldcursor = 1; 2053 setoldcursor = 1;
2040 2054
2041 if (setoldcursor) 2055 if (setoldcursor)
2042 { 2056 {
2043 if (screen.cur.row + view_start >= nrow) 2057 if (screen.cur.row - view_start >= nrow)
2044 oldcursor.row = -1; 2058 oldcursor.row = -1;
2045 else 2059 else
2046 { 2060 {
2047 oldcursor.row = screen.cur.row + view_start; 2061 oldcursor.row = screen.cur.row - view_start;
2048 oldcursor.col = screen.cur.col; 2062 oldcursor.col = screen.cur.col;
2049 } 2063 }
2050 } 2064 }
2051 } 2065 }
2052 2066
2053 PERL_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2067 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2054#if ENABLE_OVERLAY 2068#if ENABLE_OVERLAY
2055 scr_swap_overlay (); 2069 scr_swap_overlay ();
2056#endif 2070#endif
2057 2071
2058#ifndef NO_SLOW_LINK_SUPPORT 2072#ifndef NO_SLOW_LINK_SUPPORT
2059 /* 2073 /*
2060 * D: CopyArea pass - very useful for slower links 2074 * D: CopyArea pass - very useful for slower links
2061 * This has been deliberately kept simple. 2075 * This has been deliberately kept simple.
2062 */ 2076 */
2063 i = num_scr;
2064 if (!display->is_local 2077 if (!display->is_local
2065 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2078 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2066 && abs (num_scr) < nrow && !must_clear) 2079 && abs (num_scr) < nrow && !must_clear)
2067 { 2080 {
2068 int16_t nits; 2081 int16_t nits;
2069 int j; 2082 int j;
2070 int len, wlen; 2083 int len, wlen;
2084 dLocal (int, num_scr);
2071 2085
2072 j = nrow; 2086 j = nrow;
2073 wlen = len = -1; 2087 wlen = len = -1;
2074 row = i > 0 ? 0 : j - 1; 2088 row = i > 0 ? 0 : j - 1;
2075 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2089 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2076 { 2090 {
2077 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2091 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2078 { 2092 {
2079 line_t s = ROW(row - view_start); 2093 line_t s = ROW(view_start + row);
2080 line_t d = drawn_buf[row]; 2094 line_t d = drawn_buf[row];
2081 line_t d2 = drawn_buf[row + i]; 2095 line_t d2 = drawn_buf[row + i];
2082 2096
2083 for (nits = 0, col = ncol; col--; ) 2097 for (nits = 0, col = ncol; col--; )
2084 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2098 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
… …
2122 /* 2136 /*
2123 * E: main pass across every character 2137 * E: main pass across every character
2124 */ 2138 */
2125 for (row = 0; row < nrow; row++) 2139 for (row = 0; row < nrow; row++)
2126 { 2140 {
2127 text_t *stp = ROW(row - view_start).t; 2141 text_t *stp = ROW(view_start + row).t;
2128 rend_t *srp = ROW(row - view_start).r; 2142 rend_t *srp = ROW(view_start + row).r;
2129 text_t *dtp = drawn_buf[row].t; 2143 text_t *dtp = drawn_buf[row].t;
2130 rend_t *drp = drawn_buf[row].r; 2144 rend_t *drp = drawn_buf[row].r;
2131 2145
2132 /* 2146 /*
2133 * E2: OK, now the real pass 2147 * E2: OK, now the real pass
… …
2321 } /* for (row....) */ 2335 } /* for (row....) */
2322 2336
2323#if ENABLE_OVERLAY 2337#if ENABLE_OVERLAY
2324 scr_swap_overlay (); 2338 scr_swap_overlay ();
2325#endif 2339#endif
2326 PERL_INVOKE ((this, HOOK_REFRESH_END, DT_END)); 2340 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2327 2341
2328 /* 2342 /*
2329 * G: cleanup cursor and display outline cursor if necessary 2343 * G: cleanup cursor and display outline cursor if necessary
2330 */ 2344 */
2331 if (showcursor) 2345 if (showcursor)
… …
2370 /* 2384 /*
2371 * H: cleanup selection 2385 * H: cleanup selection
2372 */ 2386 */
2373 scr_reverse_selection (); 2387 scr_reverse_selection ();
2374 2388
2375 if (refresh_type & SMOOTH_REFRESH)
2376 XFlush (display->display);
2377
2378 num_scr = 0; 2389 num_scr = 0;
2379 num_scr_allow = 1; 2390 num_scr_allow = 1;
2380} 2391}
2381 2392
2382void 2393void
2383rxvt_term::scr_remap_chars (const line_t &l) 2394rxvt_term::scr_remap_chars (line_t &l)
2384{ 2395{
2385 if (!l.t) 2396 if (!l.t)
2386 return; 2397 return;
2398
2399 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2387 2400
2388 for (int i = ncol; i--; ) 2401 for (int i = ncol; i--; )
2389 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2402 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2390} 2403}
2391 2404
… …
2444 2457
2445 if (really) 2458 if (really)
2446 XClearWindow (display->display, vt); 2459 XClearWindow (display->display, vt);
2447} 2460}
2448 2461
2462void
2463rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
2464{
2465 int view_end = view_start + nrow;
2466 int row, col;
2467
2468 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2469 {
2470 text_t *stp = ROW(row).t;
2471 rend_t *srp = ROW(row).r;
2472
2473 for (col = beg_col; col < end_col; col++)
2474 srp[col] ^= rstyle1;
2475
2476 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2477 srp[col] ^= rstyle2;
2478
2479 if (++col < end_col)
2480 srp[col] ^= rstyle2;
2481 }
2482}
2483
2484void
2485rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
2486{
2487 int view_end = view_start + nrow;
2488 int row, col;
2489
2490 if (beg_row >= view_start)
2491 {
2492 col = beg_col;
2493 row = beg_row;
2494 }
2495 else
2496 {
2497 col = 0;
2498 row = view_start;
2499 }
2500
2501 for (; row < min (end_row, view_end); row++, col = 0)
2502 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2503 srp[col] ^= rstyle;
2504
2505 if (row == end_row)
2506 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2507 srp[col] ^= rstyle;
2508}
2509
2449/* ------------------------------------------------------------------------- */ 2510/* ------------------------------------------------------------------------- */
2450void 2511void
2451rxvt_term::scr_reverse_selection () 2512rxvt_term::scr_reverse_selection ()
2452{ 2513{
2453 if (selection.op 2514 if (selection.op
2454 && current_screen == selection.screen 2515 && current_screen == selection.screen
2455 && selection.end.row >= -view_start) 2516 && selection.end.row >= view_start)
2456 { 2517 {
2457 int view_end = -view_start + nrow;
2458 int row, col;
2459
2460#if ENABLE_FRILLS 2518#if ENABLE_FRILLS
2461 if (selection.rect) 2519 if (selection.rect)
2462 { 2520 scr_xor_rect (selection.beg.row, selection.beg.col,
2463 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2521 selection.end.row, selection.end.col,
2464 { 2522 RS_RVid, RS_RVid | RS_Uline);
2465 text_t *stp = ROW(row).t;
2466 rend_t *srp = ROW(row).r;
2467
2468 for (col = selection.beg.col; col < selection.end.col; col++)
2469 srp[col] ^= RS_RVid;
2470
2471 while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2472 srp[col] ^= RS_RVid | RS_Uline;
2473
2474 if (++col < selection.end.col)
2475 srp[col] ^= RS_RVid | RS_Uline;
2476 }
2477 }
2478 else 2523 else
2479#endif 2524#endif
2480 { 2525 scr_xor_span (selection.beg.row, selection.beg.col,
2481 if (selection.beg.row >= -view_start) 2526 selection.end.row, selection.end.col,
2482 { 2527 RS_RVid);
2483 col = selection.beg.col;
2484 row = selection.beg.row;
2485 }
2486 else
2487 {
2488 col = 0;
2489 row = -view_start;
2490 }
2491
2492 for (; row < min (selection.end.row, view_end); row++, col = 0)
2493 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2494 srp[col] ^= RS_RVid;
2495
2496 if (row == selection.end.row)
2497 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2498 srp[col] ^= RS_RVid;
2499 }
2500 } 2528 }
2501} 2529}
2502 2530
2503/* ------------------------------------------------------------------------- */ 2531/* ------------------------------------------------------------------------- */
2504/* 2532/*
… …
2542 2570
2543 if (!selection.op) 2571 if (!selection.op)
2544 return; 2572 return;
2545 2573
2546 pos.row = pos.col = 0; 2574 pos.row = pos.col = 0;
2547 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2575 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2548 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2576 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2549 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2577 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2550 || (check_more == 1 2578 || (check_more == 1
2551 && current_screen == selection.screen 2579 && current_screen == selection.screen
2552 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2580 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2553 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2581 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2554 || (check_more == 2 2582 || (check_more == 2
… …
2773 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2801 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2774 * will auto fallback to CUT_BUFFER0 2802 * will auto fallback to CUT_BUFFER0
2775 * EXT: button 2 release 2803 * EXT: button 2 release
2776 */ 2804 */
2777void 2805void
2778rxvt_term::selection_request (Time tm, int x, int y) 2806rxvt_term::selection_request (Time tm)
2779{ 2807{
2780 if (x < 0 || x >= width || y < 0 || y >= height)
2781 return; /* outside window */
2782
2783 if (selection.text) 2808 if (selection.text)
2784 { /* internal selection */ 2809 { /* internal selection */
2785 char *str = rxvt_wcstombs (selection.text, selection.len); 2810 char *str = rxvt_wcstombs (selection.text, selection.len);
2786 paste (str, strlen (str)); 2811 paste (str, strlen (str));
2787 free (str); 2812 free (str);
… …
2883 selection.op = SELECTION_DONE; 2908 selection.op = SELECTION_DONE;
2884 2909
2885 if (selection.clicks == 4) 2910 if (selection.clicks == 4)
2886 return; /* nothing selected, go away */ 2911 return; /* nothing selected, go away */
2887 2912
2888 if (PERL_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2913 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2889 return; 2914 return;
2890 2915
2891 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2916 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2892 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2917 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2893 2918
… …
2907 col = selection.beg.col; 2932 col = selection.beg.col;
2908 end_col = ncol + 1; 2933 end_col = ncol + 1;
2909 } 2934 }
2910 else 2935 else
2911#endif 2936#endif
2912 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2937 end_col = ROW(row).l;
2913 2938
2914 col = max (col, 0); 2939 col = max (col, 0);
2915 2940
2916 if (row == selection.end.row 2941 if (row == selection.end.row
2917#if ENABLE_FRILLS 2942#if ENABLE_FRILLS
… …
2919#endif 2944#endif
2920 ) 2945 )
2921 min_it (end_col, selection.end.col); 2946 min_it (end_col, selection.end.col);
2922 2947
2923 t = ROW(row).t + col; 2948 t = ROW(row).t + col;
2949
2924 for (; col < end_col; col++) 2950 for (; col < end_col; col++)
2925 { 2951 {
2926 if (*t == NOCHAR) 2952 if (*t == NOCHAR)
2927 t++; 2953 t++;
2928#if ENABLE_COMBINING 2954#if ENABLE_COMBINING
… …
2977 3003
2978 // we usually allocate much more than necessary, so realloc it smaller again 3004 // we usually allocate much more than necessary, so realloc it smaller again
2979 selection.len = ofs; 3005 selection.len = ofs;
2980 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3006 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2981 3007
2982 if (PERL_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END))) 3008 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2983 return; 3009 return;
2984 3010
2985 selection_grab (tm); 3011 selection_grab (tm);
2986} 3012}
2987 3013
… …
2995 { 3021 {
2996 display->set_selection_owner (this); 3022 display->set_selection_owner (this);
2997 return true; 3023 return true;
2998 } 3024 }
2999 else 3025 else
3026 {
3027 selection_clear ();
3000 return false; 3028 return false;
3029 }
3001 3030
3002#if 0 3031#if 0
3003 XTextProperty ct; 3032 XTextProperty ct;
3004 3033
3005 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3034 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
… …
3019rxvt_term::selection_click (int clicks, int x, int y) 3048rxvt_term::selection_click (int clicks, int x, int y)
3020{ 3049{
3021 clicks = ((clicks - 1) % 3) + 1; 3050 clicks = ((clicks - 1) % 3) + 1;
3022 selection.clicks = clicks; /* save clicks so extend will work */ 3051 selection.clicks = clicks; /* save clicks so extend will work */
3023 3052
3053 if (clicks == 2 && !selection.rect
3054 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3055 {
3056 MEvent.clicks = 1; // what a mess
3057 selection.screen = current_screen;
3058 selection.op = SELECTION_CONT;
3059 return;
3060 }
3061
3024 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3062 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3025 3063
3026 if (clicks == 2 || clicks == 3) 3064 if (clicks == 2 || clicks == 3)
3027 selection_extend_colrow (selection.mark.col, 3065 selection_extend_colrow (selection.mark.col,
3028 selection.mark.row + view_start, 3066 selection.mark.row - view_start,
3029 0, /* button 3 */ 3067 0, /* button 3 */
3030 1, /* button press */ 3068 1, /* button press */
3031 0); /* click change */ 3069 0); /* click change */
3032} 3070}
3033 3071
… …
3038void 3076void
3039rxvt_term::selection_start_colrow (int col, int row) 3077rxvt_term::selection_start_colrow (int col, int row)
3040{ 3078{
3041 want_refresh = 1; 3079 want_refresh = 1;
3042 3080
3043 selection.mark.row = row - view_start; 3081 selection.mark.row = row + view_start;
3044 selection.mark.col = col; 3082 selection.mark.col = col;
3045 3083
3046 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); 3084 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3047 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); 3085 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3048 3086
3049 while (selection.mark.col > 0 3087 while (selection.mark.col > 0
3050 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3088 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3051 --selection.mark.col; 3089 --selection.mark.col;
… …
3079 text_t *stp; 3117 text_t *stp;
3080 rend_t *srp; 3118 rend_t *srp;
3081 3119
3082 if (dirn == UP) 3120 if (dirn == UP)
3083 { 3121 {
3084 bound.row = - nsaved - 1; 3122 bound.row = top_row - 1;
3085 bound.col = 0; 3123 bound.col = 0;
3086 dirnadd = -1; 3124 dirnadd = -1;
3087 } 3125 }
3088 else 3126 else
3089 { 3127 {
… …
3167 * select nothing. Otherwise, if we're to the right of the mark, you have to 3205 * 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. 3206 * be _past_ a character for it to be selected.
3169 */ 3207 */
3170 if (((selection.clicks % 3) == 1) && !flag 3208 if (((selection.clicks % 3) == 1) && !flag
3171 && (col == selection.mark.col 3209 && (col == selection.mark.col
3172 && (row == selection.mark.row + view_start))) 3210 && (row == selection.mark.row - view_start)))
3173 { 3211 {
3174 /* select nothing */ 3212 /* select nothing */
3175 selection.beg.row = selection.end.row = 0; 3213 selection.beg.row = selection.end.row = 0;
3176 selection.beg.col = selection.end.col = 0; 3214 selection.beg.col = selection.end.col = 0;
3177 selection.clicks = 4; 3215 selection.clicks = 4;
… …
3232 selection.beg.col = selection.end.col = selection.mark.col; 3270 selection.beg.col = selection.end.col = selection.mark.col;
3233 selection.beg.row = selection.end.row = selection.mark.row; 3271 selection.beg.row = selection.end.row = selection.mark.row;
3234 } 3272 }
3235 3273
3236 pos.col = col; 3274 pos.col = col;
3237 pos.row = row - view_start; 3275 pos.row = view_start + row;
3238 3276
3239 /* 3277 /*
3240 * This is mainly xterm style selection with a couple of differences, mainly 3278 * This is mainly xterm style selection with a couple of differences, mainly
3241 * in the way button3 drag extension works. 3279 * in the way button3 drag extension works.
3242 * We're either doing: button1 drag; button3 press; or button3 drag 3280 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3323 else if (selection.clicks == 2) 3361 else if (selection.clicks == 2)
3324 { 3362 {
3325 if (ROWCOL_IS_AFTER (selection.end, selection.beg)) 3363 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3326 selection.end.col--; 3364 selection.end.col--;
3327 3365
3328 if (!PERL_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3329 {
3330 selection_delimit_word (UP, &selection.beg, &selection.beg); 3366 selection_delimit_word (UP, &selection.beg, &selection.beg);
3331 selection_delimit_word (DN, &selection.end, &selection.end); 3367 selection_delimit_word (DN, &selection.end, &selection.end);
3332 }
3333 } 3368 }
3334 else if (selection.clicks == 3) 3369 else if (selection.clicks == 3)
3335 { 3370 {
3336#if ENABLE_FRILLS 3371#if ENABLE_FRILLS
3337 if (OPTION (Opt_tripleclickwords)) 3372 if (OPTION (Opt_tripleclickwords))
… …
3730 for (int y = ov_h; y--; ) 3765 for (int y = ov_h; y--; )
3731 { 3766 {
3732 text_t *t1 = ov_text[y]; 3767 text_t *t1 = ov_text[y];
3733 rend_t *r1 = ov_rend[y]; 3768 rend_t *r1 = ov_rend[y];
3734 3769
3735 text_t *t2 = ROW(y + ov_y - view_start).t + ov_x; 3770 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3736 rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x; 3771 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3737 3772
3738 for (int x = ov_w; x--; ) 3773 for (int x = ov_w; x--; )
3739 { 3774 {
3740 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3775 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3741 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3776 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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