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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.211 by root, Fri Jan 6 01:16:58 2006 UTC vs.
Revision 1.234 by root, Mon Jan 16 08:57:02 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;
… …
142} 142}
143 143
144/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
145/* 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 */
146void 146void
147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const
148{ 148{
149 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
150} 153}
151 154
152/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
153 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
154 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
… …
176 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
177 { 180 {
178 //TODO//FIXME 181 //TODO//FIXME
179 saveLines++; 182 saveLines++;
180 prev_nrow--; 183 prev_nrow--;
181 nsaved++; 184 top_row--;
182 } 185 }
183 186
184 want_refresh = 1; 187 want_refresh = 1;
185 188
186 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
… …
191 194
192 if (!row_buf) 195 if (!row_buf)
193 { 196 {
194 /* 197 /*
195 * 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
196 * Note: this is still needed so that all the scrollback lines are NULL
197 */ 199 */
198 nsaved = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
199 term_start = 0; 201 term_start = 0;
200 202
201 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
202 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203 205
204 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205 temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
206 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208 209
209 for (int row = nrow; row--; ) 210 for (int row = nrow; row--; )
210 { 211 {
211 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
… …
257 } 258 }
258 } 259 }
259#endif 260#endif
260 261
261 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t)); 262 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
262 temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
263 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t)); 263 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
264 264
265 for (int row = min (nrow, prev_nrow); row--; ) 265 for (int row = min (nrow, prev_nrow); row--; )
266 { 266 {
267 lresize (drawn_buf[row]); 267 lresize (drawn_buf[row]);
… …
272 { 272 {
273 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 273 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
274 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); 274 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
275 } 275 }
276 276
277 line_t *old_buf = row_buf;
277 line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 278 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
278 279
279 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 280 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
280 int pend = MOD (term_start - nsaved , prev_total_rows); 281 int pend = MOD (term_start + top_row , prev_total_rows);
281 int q = total_rows; // rewrapped row 282 int q = total_rows; // rewrapped row
282 283
283 if (nsaved) 284 if (top_row)
284 { 285 {
285 // re-wrap lines, this is rather ugly, possibly because I am too dumb 286 // re-wrap lines, this is rather ugly, possibly because I am too dumb
286 // to come up with a lean and mean algorithm. 287 // to come up with a lean and mean algorithm.
287 288
288 row_col_t ocur = screen.cur; 289 row_col_t ocur = screen.cur;
… …
361 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 362 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
362 } 363 }
363 while (p != pend && q > 0); 364 while (p != pend && q > 0);
364 365
365 term_start = total_rows - nrow; 366 term_start = total_rows - nrow;
366 nsaved = term_start - q; 367 top_row = q - term_start;
367 368
368 // make sure all terminal lines exist 369 // make sure all terminal lines exist
369 while (nsaved < 0) 370 while (top_row > 0)
370 scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE); 371 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
371 } 372 }
372 else 373 else
373 { 374 {
374 // if no scrollback exists (yet), wing, instead of wrap 375 // if no scrollback exists (yet), wing, instead of wrap
375 376
… …
389 390
390 term_start = 0; 391 term_start = 0;
391 } 392 }
392 393
393#ifdef DEBUG_STRICT //TODO: remove 394#ifdef DEBUG_STRICT //TODO: remove
394 for (int i = -nsaved; i < nrow; i++) 395 for (int i = top_row; i < nrow; i++)
395 assert (ROW (i).t); 396 assert (ROW (i).t);
396#endif 397#endif
397 398
398 free (old_buf); 399 free (old_buf);
399 delete old_ta; 400 delete old_ta;
… …
430 delete ralloc; ralloc = 0; 431 delete ralloc; ralloc = 0;
431 432
432 free (row_buf); 433 free (row_buf);
433 free (swap_buf); 434 free (swap_buf);
434 free (drawn_buf); 435 free (drawn_buf);
435 free (temp_buf);
436 free (tabs); 436 free (tabs);
437 437
438 row_buf = 0; // signal that we freed all the arrays 438 row_buf = 0; // signal that we freed all the arrays
439} 439}
440 440
… …
572 * Change the colour for following text 572 * Change the colour for following text
573 */ 573 */
574void 574void
575rxvt_term::scr_color (unsigned int color, int fgbg) 575rxvt_term::scr_color (unsigned int color, int fgbg)
576{ 576{
577 if (color > maxTermCOLOR) 577 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
578 color = fgbg; 578 color = fgbg;
579 579
580 if (fgbg == Color_fg) 580 if (fgbg == Color_fg)
581 rstyle = SET_FGCOLOR (rstyle, color); 581 rstyle = SET_FGCOLOR (rstyle, color);
582 else 582 else
… …
613 want_refresh = 1; 613 want_refresh = 1;
614 num_scr += count; 614 num_scr += count;
615 615
616 if (count > 0 616 if (count > 0
617 && row1 == 0 617 && row1 == 0
618 && row2 == nrow - 1
619 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll))) 618 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
620 { 619 {
621 nsaved = min (nsaved + count, saveLines); 620 top_row = max (top_row - count, -saveLines);
622 621
623 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, nsaved, DT_END)); 622 // scroll everything up 'count' lines
623 term_start = (term_start + count) % total_rows;
624
625 {
626 // severe bottommost scrolled line
627 line_t &l = ROW(row2 - count);
628 l.touch ();
629 l.is_longer (0);
630 }
631
632 // erase newly scorlled-in lines
633 for (int i = count; i; --i )
634 {
635 // basically this is a slightly optimized scr_blank_screen_mem
636 // it is worth the effort on slower machines
637 line_t &l = ROW(nrow - i);
638
639 scr_blank_line (l, 0, l.l, rstyle);
640
641 l.l = 0;
642 l.f = 0;
643 }
644
645 // now copy lines below the scroll region bottom to the
646 // bottom of the screen again, so they look as if they
647 // hadn't moved.
648 for (int i = nrow; --i > row2; )
649 {
650 line_t &l1 = ROW(i - count);
651 line_t &l2 = ROW(i);
652
653 ::swap (l1, l2);
654 l2.touch ();
655 }
624 656
625 term_start = (term_start + count) % total_rows; 657 // move and/or clear selection, if any
626
627 if (selection.op && current_screen == selection.screen) 658 if (selection.op && current_screen == selection.screen)
628 { 659 {
629 selection.beg.row -= count; 660 selection.beg.row -= count;
630 selection.end.row -= count; 661 selection.end.row -= count;
631 selection.mark.row -= count; 662 selection.mark.row -= count;
632 663
633 if (selection.beg.row < -nsaved 664 if (selection.beg.row < top_row
634 || selection.end.row < -nsaved 665 || selection.end.row < top_row
635 || selection.mark.row < -nsaved) 666 || selection.mark.row < top_row)
636 { 667 {
637 CLEAR_ALL_SELECTION (); 668 CLEAR_ALL_SELECTION ();
638 selection.op = SELECTION_CLEAR; 669 selection.op = SELECTION_CLEAR;
639 } 670 }
640 } 671 }
641 672
642 for (int i = count; i--; ) 673 // finally move the view window, if desired
643 {
644 ROW(row2 - i).l = 0;
645 scr_blank_screen_mem (ROW(row2 - i), rstyle);
646 }
647
648 if (OPTION (Opt_scrollWithBuffer) 674 if (OPTION (Opt_scrollWithBuffer)
649 && view_start != 0 675 && view_start != 0
650 && view_start != saveLines) 676 && view_start != -saveLines)
651 scr_page (UP, count); 677 scr_page (UP, count);
678
679 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
680 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
652 } 681 }
653 else 682 else
654 { 683 {
655 if (selection.op && current_screen == selection.screen) 684 if (selection.op && current_screen == selection.screen)
656 { 685 {
… …
680 709
681 int rows = row2 - row1 + 1; 710 int rows = row2 - row1 + 1;
682 711
683 min_it (count, rows); 712 min_it (count, rows);
684 713
714 line_t *temp_buf = row_buf + total_rows;
715
685 for (int row = 0; row < rows; row++) 716 for (int row = 0; row < rows; row++)
686 { 717 {
687 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 718 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
688 719
689 if (!IN_RANGE_EXC (row + count, 0, rows)) 720 if (!IN_RANGE_EXC (row + count, 0, rows))
… …
700/* ------------------------------------------------------------------------- */ 731/* ------------------------------------------------------------------------- */
701/* 732/*
702 * Add text given in <str> of length <len> to screen struct 733 * Add text given in <str> of length <len> to screen struct
703 */ 734 */
704void 735void
705rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 736rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)
706{ 737{
707 if (len <= 0) /* sanity */ 738 if (len <= 0) /* sanity */
708 return; 739 return;
709 740
710 unsigned char checksel; 741 unsigned char checksel;
711 unicode_t c; 742 unicode_t c;
712 int ncol = this->ncol; 743 int ncol = this->ncol;
713 const unicode_t *strend = str + len; 744 const wchar_t *strend = str + len;
714 745
715 want_refresh = 1; 746 want_refresh = 1;
716 ZERO_SCROLLBACK (); 747 ZERO_SCROLLBACK ();
717 748
718 if (nlines > 0) 749 if (minlines > 0)
719 { 750 {
720 nlines += screen.cur.row - screen.bscroll; 751 minlines += screen.cur.row - screen.bscroll;
721 752
722 if (nlines > 0 753 if (minlines > 0
723 && screen.tscroll == 0 754 && screen.tscroll == 0
724 && screen.bscroll == nrow - 1) 755 && screen.bscroll == nrow - 1)
725 { 756 {
726 /* _at least_ this many lines need to be scrolled */ 757 /* _at least_ this many lines need to be scrolled */
727 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 758 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
728 screen.cur.row -= nlines; 759 screen.cur.row -= minlines;
729 } 760 }
730 } 761 }
731 762
732#ifdef DEBUG_STRICT 763#ifdef DEBUG_STRICT
733 assert (screen.cur.col < ncol); 764 assert (screen.cur.col < ncol);
734 assert (screen.cur.row < nrow 765 assert (screen.cur.row < nrow
735 && screen.cur.row >= -nsaved); 766 && screen.cur.row >= top_row);
736#endif 767#endif
737 int row = screen.cur.row; 768 int row = screen.cur.row;
738 769
739 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 770 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
740 771
741 line_t *line = &ROW(row); 772 line_t *line = &ROW(row);
742 773
743 while (str < strend) 774 while (str < strend)
744 { 775 {
745 c = *str++; 776 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
746 777
747 if (c < 0x20) 778 if (c < 0x20)
748 if (c == C0_LF) 779 if (c == C0_LF)
749 { 780 {
750 max_it (line->l, screen.cur.col); 781 max_it (line->l, screen.cur.col);
… …
1303 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1334 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1304 } 1335 }
1305 1336
1306 for (; num--; row++) 1337 for (; num--; row++)
1307 { 1338 {
1308 line_t &l = ROW(row);
1309 l.l = 0;
1310 l.is_longer (0);
1311 scr_blank_screen_mem (l, rstyle); 1339 scr_blank_screen_mem (ROW(row), rstyle);
1312 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1340 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1313 } 1341 }
1314} 1342}
1315 1343
1316#if ENABLE_FRILLS 1344#if ENABLE_FRILLS
… …
1318rxvt_term::scr_erase_savelines () 1346rxvt_term::scr_erase_savelines ()
1319{ 1347{
1320 want_refresh = 1; 1348 want_refresh = 1;
1321 ZERO_SCROLLBACK (); 1349 ZERO_SCROLLBACK ();
1322 1350
1323 nsaved = 0; 1351 top_row = 0;
1324} 1352}
1325#endif 1353#endif
1326 1354
1327/* ------------------------------------------------------------------------- */ 1355/* ------------------------------------------------------------------------- */
1328/* 1356/*
… …
1781/* ------------------------------------------------------------------------- */ 1809/* ------------------------------------------------------------------------- */
1782/* 1810/*
1783 * Move the display so that the line represented by scrollbar value Y is at 1811 * Move the display so that the line represented by scrollbar value Y is at
1784 * the top of the screen 1812 * the top of the screen
1785 */ 1813 */
1786int 1814void
1787rxvt_term::scr_move_to (int y, int len) 1815rxvt_term::scr_move_to (int y, int len)
1788{ 1816{
1789 long p = 0; 1817 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1790 unsigned int oldviewstart;
1791
1792 oldviewstart = view_start;
1793
1794 if (y < len)
1795 {
1796 p = (nrow + nsaved) * (len - y) / len;
1797 p -= (long) (nrow - 1);
1798 p = max (p, 0);
1799 }
1800
1801 view_start = (unsigned int)min (p, nsaved);
1802
1803 return scr_changeview (oldviewstart);
1804} 1818}
1805 1819
1806/* ------------------------------------------------------------------------- */ 1820/* ------------------------------------------------------------------------- */
1807/* 1821/*
1808 * Page the screen up/down nlines 1822 * Page the screen up/down nlines
1809 * direction should be UP or DN 1823 * direction should be UP or DN
1810 */ 1824 */
1811int 1825bool
1812rxvt_term::scr_page (enum page_dirn direction, int nlines) 1826rxvt_term::scr_page (enum page_dirn direction, int nlines)
1813{ 1827{
1814 int n; 1828 int new_view_start =
1815 unsigned int oldviewstart;
1816
1817 oldviewstart = view_start;
1818
1819 if (direction == UP)
1820 {
1821 n = view_start + nlines;
1822 view_start = min (n, nsaved);
1823 }
1824 else
1825 {
1826 n = view_start - nlines; 1829 direction == UP ? view_start - nlines
1827 view_start = max (n, 0); 1830 : view_start + nlines;
1828 }
1829 1831
1830 return scr_changeview (oldviewstart); 1832 return scr_changeview (new_view_start);
1831} 1833}
1832 1834
1833int 1835bool
1834rxvt_term::scr_changeview (unsigned int oldviewstart) 1836rxvt_term::scr_changeview (int new_view_start)
1835{ 1837{
1838 clamp_it (new_view_start, top_row, 0);
1839
1836 if (view_start != oldviewstart) 1840 if (new_view_start == view_start)
1837 { 1841 return false;
1842
1843 num_scr += new_view_start - view_start;
1844 view_start = new_view_start;
1845 want_refresh = 1;
1846
1838 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END)); 1847 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1839 1848
1840 want_refresh = 1; 1849 return true;
1841 num_scr -= (view_start - oldviewstart);
1842 }
1843
1844 return (int)view_start - (int)oldviewstart;
1845} 1850}
1846 1851
1847/* ------------------------------------------------------------------------- */ 1852/* ------------------------------------------------------------------------- */
1848void 1853void
1849rxvt_term::scr_bell () 1854rxvt_term::scr_bell ()
… …
1858# endif 1863# endif
1859 1864
1860 if (OPTION (Opt_visualBell)) 1865 if (OPTION (Opt_visualBell))
1861 { 1866 {
1862 scr_rvideo_mode (!rvideo); /* refresh also done */ 1867 scr_rvideo_mode (!rvideo); /* refresh also done */
1868 display->flush ();
1863 rxvt_usleep (VISUAL_BELL_DURATION); 1869 rxvt_usleep (VISUAL_BELL_DURATION);
1864 scr_rvideo_mode (!rvideo); /* refresh also done */ 1870 scr_rvideo_mode (!rvideo); /* refresh also done */
1865 } 1871 }
1866 else 1872 else
1867 XBell (display->display, 0); 1873 XBell (display->display, 0);
… …
1881 if ((fd = popen_printer ()) == NULL) 1887 if ((fd = popen_printer ()) == NULL)
1882 return; 1888 return;
1883 1889
1884 if (fullhist) 1890 if (fullhist)
1885 { 1891 {
1886 nrows = nrow + nsaved; 1892 nrows = nrow - top_row;
1887 row_start = -nsaved; 1893 row_start = top_row;
1888 } 1894 }
1889 else 1895 else
1890 { 1896 {
1891 nrows = nrow; 1897 nrows = nrow;
1892 row_start = -view_start; 1898 row_start = view_start;
1893 } 1899 }
1894 1900
1895 wctomb (0, 0); 1901 wctomb (0, 0);
1896 1902
1897 for (int r1 = 0; r1 < nrows; r1++) 1903 for (int r1 = 0; r1 < nrows; r1++)
… …
2025 2031
2026 /* make sure no outline cursor is left around */ 2032 /* make sure no outline cursor is left around */
2027 setoldcursor = 0; 2033 setoldcursor = 0;
2028 if (ocrow != -1) 2034 if (ocrow != -1)
2029 { 2035 {
2030 if (screen.cur.row + view_start != ocrow 2036 if (screen.cur.row - view_start != ocrow
2031 || screen.cur.col != oldcursor.col) 2037 || screen.cur.col != oldcursor.col)
2032 { 2038 {
2033 if (ocrow < nrow 2039 if (ocrow < nrow
2034 && oldcursor.col < ncol) 2040 && oldcursor.col < ncol)
2035 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2041 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
… …
2043 else if (!focus) 2049 else if (!focus)
2044 setoldcursor = 1; 2050 setoldcursor = 1;
2045 2051
2046 if (setoldcursor) 2052 if (setoldcursor)
2047 { 2053 {
2048 if (screen.cur.row + view_start >= nrow) 2054 if (screen.cur.row - view_start >= nrow)
2049 oldcursor.row = -1; 2055 oldcursor.row = -1;
2050 else 2056 else
2051 { 2057 {
2052 oldcursor.row = screen.cur.row + view_start; 2058 oldcursor.row = screen.cur.row - view_start;
2053 oldcursor.col = screen.cur.col; 2059 oldcursor.col = screen.cur.col;
2054 } 2060 }
2055 } 2061 }
2056 } 2062 }
2057 2063
… …
2079 row = i > 0 ? 0 : j - 1; 2085 row = i > 0 ? 0 : j - 1;
2080 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2086 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2081 { 2087 {
2082 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2088 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2083 { 2089 {
2084 line_t s = ROW(row - view_start); 2090 line_t s = ROW(view_start + row);
2085 line_t d = drawn_buf[row]; 2091 line_t d = drawn_buf[row];
2086 line_t d2 = drawn_buf[row + i]; 2092 line_t d2 = drawn_buf[row + i];
2087 2093
2088 for (nits = 0, col = ncol; col--; ) 2094 for (nits = 0, col = ncol; col--; )
2089 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2095 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
… …
2127 /* 2133 /*
2128 * E: main pass across every character 2134 * E: main pass across every character
2129 */ 2135 */
2130 for (row = 0; row < nrow; row++) 2136 for (row = 0; row < nrow; row++)
2131 { 2137 {
2132 text_t *stp = ROW(row - view_start).t; 2138 text_t *stp = ROW(view_start + row).t;
2133 rend_t *srp = ROW(row - view_start).r; 2139 rend_t *srp = ROW(view_start + row).r;
2134 text_t *dtp = drawn_buf[row].t; 2140 text_t *dtp = drawn_buf[row].t;
2135 rend_t *drp = drawn_buf[row].r; 2141 rend_t *drp = drawn_buf[row].r;
2136 2142
2137 /* 2143 /*
2138 * E2: OK, now the real pass 2144 * E2: OK, now the real pass
… …
2375 /* 2381 /*
2376 * H: cleanup selection 2382 * H: cleanup selection
2377 */ 2383 */
2378 scr_reverse_selection (); 2384 scr_reverse_selection ();
2379 2385
2380 if (refresh_type & SMOOTH_REFRESH)
2381 XFlush (display->display);
2382
2383 num_scr = 0; 2386 num_scr = 0;
2384 num_scr_allow = 1; 2387 num_scr_allow = 1;
2385} 2388}
2386 2389
2387void 2390void
2388rxvt_term::scr_remap_chars (line_t &l) 2391rxvt_term::scr_remap_chars (line_t &l)
2389{ 2392{
2390 if (!l.t) 2393 if (!l.t)
2391 return; 2394 return;
2392 2395
2393 l.touch (); // maybe a bit of an overkill, but its not performance-relevant 2396 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2394 2397
2395 for (int i = ncol; i--; ) 2398 for (int i = ncol; i--; )
2396 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2399 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2397} 2400}
2398 2401
… …
2451 2454
2452 if (really) 2455 if (really)
2453 XClearWindow (display->display, vt); 2456 XClearWindow (display->display, vt);
2454} 2457}
2455 2458
2459void
2460rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
2461{
2462 int view_end = view_start + nrow;
2463 int row, col;
2464
2465 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2466 {
2467 text_t *stp = ROW(row).t;
2468 rend_t *srp = ROW(row).r;
2469
2470 for (col = beg_col; col < end_col; col++)
2471 srp[col] ^= rstyle1;
2472
2473 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2474 srp[col] ^= rstyle2;
2475
2476 if (++col < end_col)
2477 srp[col] ^= rstyle2;
2478 }
2479}
2480
2481void
2482rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
2483{
2484 int view_end = view_start + nrow;
2485 int row, col;
2486
2487 if (beg_row >= view_start)
2488 {
2489 col = beg_col;
2490 row = beg_row;
2491 }
2492 else
2493 {
2494 col = 0;
2495 row = view_start;
2496 }
2497
2498 for (; row < min (end_row, view_end); row++, col = 0)
2499 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2500 srp[col] ^= rstyle;
2501
2502 if (row == end_row)
2503 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2504 srp[col] ^= rstyle;
2505}
2506
2456/* ------------------------------------------------------------------------- */ 2507/* ------------------------------------------------------------------------- */
2457void 2508void
2458rxvt_term::scr_reverse_selection () 2509rxvt_term::scr_reverse_selection ()
2459{ 2510{
2460 if (selection.op 2511 if (selection.op
2461 && current_screen == selection.screen 2512 && current_screen == selection.screen
2462 && selection.end.row >= -view_start) 2513 && selection.end.row >= view_start)
2463 { 2514 {
2464 int view_end = -view_start + nrow;
2465 int row, col;
2466
2467#if ENABLE_FRILLS 2515#if ENABLE_FRILLS
2468 if (selection.rect) 2516 if (selection.rect)
2469 { 2517 scr_xor_rect (selection.beg.row, selection.beg.col,
2470 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2518 selection.end.row, selection.end.col,
2471 { 2519 RS_RVid, RS_RVid | RS_Uline);
2472 text_t *stp = ROW(row).t;
2473 rend_t *srp = ROW(row).r;
2474
2475 for (col = selection.beg.col; col < selection.end.col; col++)
2476 srp[col] ^= RS_RVid;
2477
2478 while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2479 srp[col] ^= RS_RVid | RS_Uline;
2480
2481 if (++col < selection.end.col)
2482 srp[col] ^= RS_RVid | RS_Uline;
2483 }
2484 }
2485 else 2520 else
2486#endif 2521#endif
2487 { 2522 scr_xor_span (selection.beg.row, selection.beg.col,
2488 if (selection.beg.row >= -view_start) 2523 selection.end.row, selection.end.col,
2489 { 2524 RS_RVid);
2490 col = selection.beg.col;
2491 row = selection.beg.row;
2492 }
2493 else
2494 {
2495 col = 0;
2496 row = -view_start;
2497 }
2498
2499 for (; row < min (selection.end.row, view_end); row++, col = 0)
2500 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2501 srp[col] ^= RS_RVid;
2502
2503 if (row == selection.end.row)
2504 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2505 srp[col] ^= RS_RVid;
2506 }
2507 } 2525 }
2508} 2526}
2509 2527
2510/* ------------------------------------------------------------------------- */ 2528/* ------------------------------------------------------------------------- */
2511/* 2529/*
… …
2549 2567
2550 if (!selection.op) 2568 if (!selection.op)
2551 return; 2569 return;
2552 2570
2553 pos.row = pos.col = 0; 2571 pos.row = pos.col = 0;
2554 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2572 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2555 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2573 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2556 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2574 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2557 || (check_more == 1 2575 || (check_more == 1
2558 && current_screen == selection.screen 2576 && current_screen == selection.screen
2559 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2577 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2560 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2578 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2561 || (check_more == 2 2579 || (check_more == 2
… …
3003 { 3021 {
3004 display->set_selection_owner (this); 3022 display->set_selection_owner (this);
3005 return true; 3023 return true;
3006 } 3024 }
3007 else 3025 else
3026 {
3027 selection_clear ();
3008 return false; 3028 return false;
3029 }
3009 3030
3010#if 0 3031#if 0
3011 XTextProperty ct; 3032 XTextProperty ct;
3012 3033
3013 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3034 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
… …
3027rxvt_term::selection_click (int clicks, int x, int y) 3048rxvt_term::selection_click (int clicks, int x, int y)
3028{ 3049{
3029 clicks = ((clicks - 1) % 3) + 1; 3050 clicks = ((clicks - 1) % 3) + 1;
3030 selection.clicks = clicks; /* save clicks so extend will work */ 3051 selection.clicks = clicks; /* save clicks so extend will work */
3031 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
3032 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3062 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3033 3063
3034 if (clicks == 2 || clicks == 3) 3064 if (clicks == 2 || clicks == 3)
3035 selection_extend_colrow (selection.mark.col, 3065 selection_extend_colrow (selection.mark.col,
3036 selection.mark.row + view_start, 3066 selection.mark.row - view_start,
3037 0, /* button 3 */ 3067 0, /* button 3 */
3038 1, /* button press */ 3068 1, /* button press */
3039 0); /* click change */ 3069 0); /* click change */
3040} 3070}
3041 3071
… …
3046void 3076void
3047rxvt_term::selection_start_colrow (int col, int row) 3077rxvt_term::selection_start_colrow (int col, int row)
3048{ 3078{
3049 want_refresh = 1; 3079 want_refresh = 1;
3050 3080
3051 selection.mark.row = row - view_start; 3081 selection.mark.row = row + view_start;
3052 selection.mark.col = col; 3082 selection.mark.col = col;
3053 3083
3054 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); 3084 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3055 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); 3085 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3056 3086
3057 while (selection.mark.col > 0 3087 while (selection.mark.col > 0
3058 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3088 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3059 --selection.mark.col; 3089 --selection.mark.col;
… …
3087 text_t *stp; 3117 text_t *stp;
3088 rend_t *srp; 3118 rend_t *srp;
3089 3119
3090 if (dirn == UP) 3120 if (dirn == UP)
3091 { 3121 {
3092 bound.row = - nsaved - 1; 3122 bound.row = top_row - 1;
3093 bound.col = 0; 3123 bound.col = 0;
3094 dirnadd = -1; 3124 dirnadd = -1;
3095 } 3125 }
3096 else 3126 else
3097 { 3127 {
… …
3175 * 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
3176 * be _past_ a character for it to be selected. 3206 * be _past_ a character for it to be selected.
3177 */ 3207 */
3178 if (((selection.clicks % 3) == 1) && !flag 3208 if (((selection.clicks % 3) == 1) && !flag
3179 && (col == selection.mark.col 3209 && (col == selection.mark.col
3180 && (row == selection.mark.row + view_start))) 3210 && (row == selection.mark.row - view_start)))
3181 { 3211 {
3182 /* select nothing */ 3212 /* select nothing */
3183 selection.beg.row = selection.end.row = 0; 3213 selection.beg.row = selection.end.row = 0;
3184 selection.beg.col = selection.end.col = 0; 3214 selection.beg.col = selection.end.col = 0;
3185 selection.clicks = 4; 3215 selection.clicks = 4;
… …
3240 selection.beg.col = selection.end.col = selection.mark.col; 3270 selection.beg.col = selection.end.col = selection.mark.col;
3241 selection.beg.row = selection.end.row = selection.mark.row; 3271 selection.beg.row = selection.end.row = selection.mark.row;
3242 } 3272 }
3243 3273
3244 pos.col = col; 3274 pos.col = col;
3245 pos.row = row - view_start; 3275 pos.row = view_start + row;
3246 3276
3247 /* 3277 /*
3248 * 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
3249 * in the way button3 drag extension works. 3279 * in the way button3 drag extension works.
3250 * We're either doing: button1 drag; button3 press; or button3 drag 3280 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3331 else if (selection.clicks == 2) 3361 else if (selection.clicks == 2)
3332 { 3362 {
3333 if (ROWCOL_IS_AFTER (selection.end, selection.beg)) 3363 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3334 selection.end.col--; 3364 selection.end.col--;
3335 3365
3336 if (!HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3337 {
3338 selection_delimit_word (UP, &selection.beg, &selection.beg); 3366 selection_delimit_word (UP, &selection.beg, &selection.beg);
3339 selection_delimit_word (DN, &selection.end, &selection.end); 3367 selection_delimit_word (DN, &selection.end, &selection.end);
3340 }
3341 } 3368 }
3342 else if (selection.clicks == 3) 3369 else if (selection.clicks == 3)
3343 { 3370 {
3344#if ENABLE_FRILLS 3371#if ENABLE_FRILLS
3345 if (OPTION (Opt_tripleclickwords)) 3372 if (OPTION (Opt_tripleclickwords))
… …
3738 for (int y = ov_h; y--; ) 3765 for (int y = ov_h; y--; )
3739 { 3766 {
3740 text_t *t1 = ov_text[y]; 3767 text_t *t1 = ov_text[y];
3741 rend_t *r1 = ov_rend[y]; 3768 rend_t *r1 = ov_rend[y];
3742 3769
3743 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;
3744 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;
3745 3772
3746 for (int x = ov_w; x--; ) 3773 for (int x = ov_w; x--; )
3747 { 3774 {
3748 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3775 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3749 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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