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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.215 by root, Sun Jan 8 06:35:23 2006 UTC vs.
Revision 1.236 by root, Wed Jan 18 09:40:53 2006 UTC

… …
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);
150 150
151 l.l = 0; 151 l.l = 0;
152 l.f = 0; 152 l.f = 0;
… …
179 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
180 { 180 {
181 //TODO//FIXME 181 //TODO//FIXME
182 saveLines++; 182 saveLines++;
183 prev_nrow--; 183 prev_nrow--;
184 nsaved++; 184 top_row--;
185 } 185 }
186 186
187 want_refresh = 1; 187 want_refresh = 1;
188 188
189 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
… …
194 194
195 if (!row_buf) 195 if (!row_buf)
196 { 196 {
197 /* 197 /*
198 * 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
199 * Note: this is still needed so that all the scrollback lines are NULL
200 */ 199 */
201 nsaved = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
202 term_start = 0; 201 term_start = 0;
203 202
204 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
205 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
206 205
207 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
208 temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211 209
212 for (int row = nrow; row--; ) 210 for (int row = nrow; row--; )
213 { 211 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
… …
260 } 258 }
261 } 259 }
262#endif 260#endif
263 261
264 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));
265 temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
266 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));
267 264
268 for (int row = min (nrow, prev_nrow); row--; ) 265 for (int row = min (nrow, prev_nrow); row--; )
269 { 266 {
270 lresize (drawn_buf[row]); 267 lresize (drawn_buf[row]);
… …
275 { 272 {
276 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);
277 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);
278 } 275 }
279 276
277 line_t *old_buf = row_buf;
280 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));
281 279
282 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
283 int pend = MOD (term_start - nsaved , prev_total_rows); 281 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row 282 int q = total_rows; // rewrapped row
285 283
286 if (nsaved) 284 if (top_row)
287 { 285 {
288 // 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
289 // to come up with a lean and mean algorithm. 287 // to come up with a lean and mean algorithm.
290 288
291 row_col_t ocur = screen.cur; 289 row_col_t ocur = screen.cur;
… …
364 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 362 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
365 } 363 }
366 while (p != pend && q > 0); 364 while (p != pend && q > 0);
367 365
368 term_start = total_rows - nrow; 366 term_start = total_rows - nrow;
369 nsaved = term_start - q; 367 top_row = q - term_start;
370 368
371 // make sure all terminal lines exist 369 // make sure all terminal lines exist
372 while (nsaved < 0) 370 while (top_row > 0)
373 scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE); 371 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
374 } 372 }
375 else 373 else
376 { 374 {
377 // if no scrollback exists (yet), wing, instead of wrap 375 // if no scrollback exists (yet), wing, instead of wrap
378 376
… …
392 390
393 term_start = 0; 391 term_start = 0;
394 } 392 }
395 393
396#ifdef DEBUG_STRICT //TODO: remove 394#ifdef DEBUG_STRICT //TODO: remove
397 for (int i = -nsaved; i < nrow; i++) 395 for (int i = top_row; i < nrow; i++)
398 assert (ROW (i).t); 396 assert (ROW (i).t);
399#endif 397#endif
400 398
401 free (old_buf); 399 free (old_buf);
402 delete old_ta; 400 delete old_ta;
… …
433 delete ralloc; ralloc = 0; 431 delete ralloc; ralloc = 0;
434 432
435 free (row_buf); 433 free (row_buf);
436 free (swap_buf); 434 free (swap_buf);
437 free (drawn_buf); 435 free (drawn_buf);
438 free (temp_buf);
439 free (tabs); 436 free (tabs);
440 437
441 row_buf = 0; // signal that we freed all the arrays 438 row_buf = 0; // signal that we freed all the arrays
442} 439}
443 440
… …
451 scr_release (); 448 scr_release ();
452 prev_nrow = prev_ncol = 0; 449 prev_nrow = prev_ncol = 0;
453 scr_reset (); 450 scr_reset ();
454 451
455 scr_clear (true); 452 scr_clear (true);
456 scr_refresh (SLOW_REFRESH); 453 scr_refresh ();
457} 454}
458 455
459/* ------------------------------------------------------------------------- * 456/* ------------------------------------------------------------------------- *
460 * PROCESS SCREEN COMMANDS * 457 * PROCESS SCREEN COMMANDS *
461 * ------------------------------------------------------------------------- */ 458 * ------------------------------------------------------------------------- */
… …
575 * Change the colour for following text 572 * Change the colour for following text
576 */ 573 */
577void 574void
578rxvt_term::scr_color (unsigned int color, int fgbg) 575rxvt_term::scr_color (unsigned int color, int fgbg)
579{ 576{
580 if (color > maxTermCOLOR) 577 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
581 color = fgbg; 578 color = fgbg;
582 579
583 if (fgbg == Color_fg) 580 if (fgbg == Color_fg)
584 rstyle = SET_FGCOLOR (rstyle, color); 581 rstyle = SET_FGCOLOR (rstyle, color);
585 else 582 else
… …
616 want_refresh = 1; 613 want_refresh = 1;
617 num_scr += count; 614 num_scr += count;
618 615
619 if (count > 0 616 if (count > 0
620 && row1 == 0 617 && row1 == 0
621 && row2 == nrow - 1
622 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll))) 618 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
623 { 619 {
624 nsaved = min (nsaved + count, saveLines); 620 top_row = max (top_row - count, -saveLines);
625 621
626 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 // sever bottommost line
626 {
627 line_t &l = ROW(row2 - count);
628 l.is_longer (0);
629 l.touch ();
630 }
631
632 // erase newly scrolled-in lines
633 for (int i = count; 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(row2 - 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 }
627 656
628 term_start = (term_start + count) % total_rows; 657 // move and/or clear selection, if any
629
630 if (selection.op && current_screen == selection.screen) 658 if (selection.op && current_screen == selection.screen)
631 { 659 {
632 selection.beg.row -= count; 660 selection.beg.row -= count;
633 selection.end.row -= count; 661 selection.end.row -= count;
634 selection.mark.row -= count; 662 selection.mark.row -= count;
635 663
636 if (selection.beg.row < -nsaved 664 if (selection.beg.row < top_row
637 || selection.end.row < -nsaved 665 || selection.end.row < top_row
638 || selection.mark.row < -nsaved) 666 || selection.mark.row < top_row)
639 { 667 {
640 CLEAR_ALL_SELECTION (); 668 CLEAR_ALL_SELECTION ();
641 selection.op = SELECTION_CLEAR; 669 selection.op = SELECTION_CLEAR;
642 } 670 }
643 } 671 }
644 672
645 for (int i = count; i--; ) 673 // finally move the view window, if desired
646 scr_blank_screen_mem (ROW(row2 - i), rstyle);
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))
… …
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
… …
786 CLEAR_SELECTION (); 817 CLEAR_SELECTION ();
787 } 818 }
788 819
789 if (screen.flags & Screen_WrapNext) 820 if (screen.flags & Screen_WrapNext)
790 { 821 {
791 max_it (line->l, ncol);
792 line->is_longer (1);
793
794 scr_do_wrap (); 822 scr_do_wrap ();
795 823
824 line->l = ncol;
825 line->is_longer (1);
826
796 row = screen.cur.row; 827 row = screen.cur.row;
797 line = &ROW(row); /* _must_ refresh */ 828 line = &ROW(row); /* _must_ refresh */
798 } 829 }
799 830
800 // some utf-8 decoders "decode" surrogate characters: let's fix this. 831 // some utf-8 decoders "decode" surrogate characters: let's fix this.
… …
1315rxvt_term::scr_erase_savelines () 1346rxvt_term::scr_erase_savelines ()
1316{ 1347{
1317 want_refresh = 1; 1348 want_refresh = 1;
1318 ZERO_SCROLLBACK (); 1349 ZERO_SCROLLBACK ();
1319 1350
1320 nsaved = 0; 1351 top_row = 0;
1321} 1352}
1322#endif 1353#endif
1323 1354
1324/* ------------------------------------------------------------------------- */ 1355/* ------------------------------------------------------------------------- */
1325/* 1356/*
… …
1759 } 1790 }
1760 1791
1761 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1792 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1762 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1793 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1763 1794
1795 num_scr_allow = 0;
1796
1764 if (refresh) 1797 if (refresh)
1765 scr_refresh (SLOW_REFRESH); 1798 scr_refresh ();
1766} 1799}
1767 1800
1768/* ------------------------------------------------------------------------- */ 1801/* ------------------------------------------------------------------------- */
1769/* 1802/*
1770 * Refresh the entire screen 1803 * Refresh the entire screen
… …
1778/* ------------------------------------------------------------------------- */ 1811/* ------------------------------------------------------------------------- */
1779/* 1812/*
1780 * Move the display so that the line represented by scrollbar value Y is at 1813 * Move the display so that the line represented by scrollbar value Y is at
1781 * the top of the screen 1814 * the top of the screen
1782 */ 1815 */
1783int 1816void
1784rxvt_term::scr_move_to (int y, int len) 1817rxvt_term::scr_move_to (int y, int len)
1785{ 1818{
1786 long p = 0; 1819 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1787 unsigned int oldviewstart;
1788
1789 oldviewstart = view_start;
1790
1791 if (y < len)
1792 {
1793 p = (nrow + nsaved) * (len - y) / len;
1794 p -= (long) (nrow - 1);
1795 p = max (p, 0);
1796 }
1797
1798 view_start = (unsigned int)min (p, nsaved);
1799
1800 return scr_changeview (oldviewstart);
1801} 1820}
1802 1821
1803/* ------------------------------------------------------------------------- */ 1822/* ------------------------------------------------------------------------- */
1804/* 1823/*
1805 * Page the screen up/down nlines 1824 * Page the screen up/down nlines
1806 * direction should be UP or DN 1825 * direction should be UP or DN
1807 */ 1826 */
1808int 1827bool
1809rxvt_term::scr_page (enum page_dirn direction, int nlines) 1828rxvt_term::scr_page (enum page_dirn direction, int nlines)
1810{ 1829{
1811 int n; 1830 int new_view_start =
1812 unsigned int oldviewstart;
1813
1814 oldviewstart = view_start;
1815
1816 if (direction == UP)
1817 {
1818 n = view_start + nlines;
1819 view_start = min (n, nsaved);
1820 }
1821 else
1822 {
1823 n = view_start - nlines; 1831 direction == UP ? view_start - nlines
1824 view_start = max (n, 0); 1832 : view_start + nlines;
1825 }
1826 1833
1827 return scr_changeview (oldviewstart); 1834 return scr_changeview (new_view_start);
1828} 1835}
1829 1836
1830int 1837bool
1831rxvt_term::scr_changeview (unsigned int oldviewstart) 1838rxvt_term::scr_changeview (int new_view_start)
1832{ 1839{
1840 clamp_it (new_view_start, top_row, 0);
1841
1833 if (view_start != oldviewstart) 1842 if (new_view_start == view_start)
1834 { 1843 return false;
1844
1845 num_scr += new_view_start - view_start;
1846 view_start = new_view_start;
1847 want_refresh = 1;
1848
1835 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END)); 1849 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1836 1850
1837 want_refresh = 1; 1851 return true;
1838 num_scr -= (view_start - oldviewstart);
1839 }
1840
1841 return (int)view_start - (int)oldviewstart;
1842} 1852}
1843 1853
1844/* ------------------------------------------------------------------------- */ 1854/* ------------------------------------------------------------------------- */
1845void 1855void
1846rxvt_term::scr_bell () 1856rxvt_term::scr_bell ()
… …
1855# endif 1865# endif
1856 1866
1857 if (OPTION (Opt_visualBell)) 1867 if (OPTION (Opt_visualBell))
1858 { 1868 {
1859 scr_rvideo_mode (!rvideo); /* refresh also done */ 1869 scr_rvideo_mode (!rvideo); /* refresh also done */
1870 display->flush ();
1860 rxvt_usleep (VISUAL_BELL_DURATION); 1871 rxvt_usleep (VISUAL_BELL_DURATION);
1861 scr_rvideo_mode (!rvideo); /* refresh also done */ 1872 scr_rvideo_mode (!rvideo); /* refresh also done */
1862 } 1873 }
1863 else 1874 else
1864 XBell (display->display, 0); 1875 XBell (display->display, 0);
… …
1878 if ((fd = popen_printer ()) == NULL) 1889 if ((fd = popen_printer ()) == NULL)
1879 return; 1890 return;
1880 1891
1881 if (fullhist) 1892 if (fullhist)
1882 { 1893 {
1883 nrows = nrow + nsaved; 1894 nrows = nrow - top_row;
1884 row_start = -nsaved; 1895 row_start = top_row;
1885 } 1896 }
1886 else 1897 else
1887 { 1898 {
1888 nrows = nrow; 1899 nrows = nrow;
1889 row_start = -view_start; 1900 row_start = view_start;
1890 } 1901 }
1891 1902
1892 wctomb (0, 0); 1903 wctomb (0, 0);
1893 1904
1894 for (int r1 = 0; r1 < nrows; r1++) 1905 for (int r1 = 0; r1 < nrows; r1++)
… …
1926 * Refresh the screen 1937 * Refresh the screen
1927 * drawn_text/drawn_rend contain the screen information before the update. 1938 * drawn_text/drawn_rend contain the screen information before the update.
1928 * screen.text/screen.rend contain what the screen will change to. 1939 * screen.text/screen.rend contain what the screen will change to.
1929 */ 1940 */
1930void 1941void
1931rxvt_term::scr_refresh (unsigned char refresh_type) 1942rxvt_term::scr_refresh ()
1932{ 1943{
1933 unsigned char must_clear, /* use draw_string not draw_image_string */ 1944 unsigned char must_clear, /* use draw_string not draw_image_string */
1934 showcursor; /* show the cursor */ 1945 showcursor; /* show the cursor */
1935 int16_t col, row, /* column/row we're processing */ 1946 int16_t col, row, /* column/row we're processing */
1936 ocrow; /* old cursor row */ 1947 ocrow; /* old cursor row */
… …
2022 2033
2023 /* make sure no outline cursor is left around */ 2034 /* make sure no outline cursor is left around */
2024 setoldcursor = 0; 2035 setoldcursor = 0;
2025 if (ocrow != -1) 2036 if (ocrow != -1)
2026 { 2037 {
2027 if (screen.cur.row + view_start != ocrow 2038 if (screen.cur.row - view_start != ocrow
2028 || screen.cur.col != oldcursor.col) 2039 || screen.cur.col != oldcursor.col)
2029 { 2040 {
2030 if (ocrow < nrow 2041 if (ocrow < nrow
2031 && oldcursor.col < ncol) 2042 && oldcursor.col < ncol)
2032 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2043 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
… …
2040 else if (!focus) 2051 else if (!focus)
2041 setoldcursor = 1; 2052 setoldcursor = 1;
2042 2053
2043 if (setoldcursor) 2054 if (setoldcursor)
2044 { 2055 {
2045 if (screen.cur.row + view_start >= nrow) 2056 if (screen.cur.row - view_start >= nrow)
2046 oldcursor.row = -1; 2057 oldcursor.row = -1;
2047 else 2058 else
2048 { 2059 {
2049 oldcursor.row = screen.cur.row + view_start; 2060 oldcursor.row = screen.cur.row - view_start;
2050 oldcursor.col = screen.cur.col; 2061 oldcursor.col = screen.cur.col;
2051 } 2062 }
2052 } 2063 }
2053 } 2064 }
2054 2065
… …
2060#ifndef NO_SLOW_LINK_SUPPORT 2071#ifndef NO_SLOW_LINK_SUPPORT
2061 /* 2072 /*
2062 * D: CopyArea pass - very useful for slower links 2073 * D: CopyArea pass - very useful for slower links
2063 * This has been deliberately kept simple. 2074 * This has been deliberately kept simple.
2064 */ 2075 */
2065 i = num_scr;
2066 if (!display->is_local 2076 if (!display->is_local
2067 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2077 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2068 && abs (num_scr) < nrow && !must_clear) 2078 && abs (num_scr) < nrow && !must_clear)
2069 { 2079 {
2070 int16_t nits; 2080 int16_t nits;
2071 int j; 2081 int j;
2072 int len, wlen; 2082 int len, wlen;
2083 dLocal (int, num_scr);
2073 2084
2074 j = nrow; 2085 j = nrow;
2075 wlen = len = -1; 2086 wlen = len = -1;
2076 row = i > 0 ? 0 : j - 1; 2087 row = i > 0 ? 0 : j - 1;
2077 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2088 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2078 { 2089 {
2079 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2090 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2080 { 2091 {
2081 line_t s = ROW(row - view_start); 2092 line_t s = ROW(view_start + row);
2082 line_t d = drawn_buf[row]; 2093 line_t d = drawn_buf[row];
2083 line_t d2 = drawn_buf[row + i]; 2094 line_t d2 = drawn_buf[row + i];
2084 2095
2085 for (nits = 0, col = ncol; col--; ) 2096 for (nits = 0, col = ncol; col--; )
2086 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2097 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
… …
2124 /* 2135 /*
2125 * E: main pass across every character 2136 * E: main pass across every character
2126 */ 2137 */
2127 for (row = 0; row < nrow; row++) 2138 for (row = 0; row < nrow; row++)
2128 { 2139 {
2129 text_t *stp = ROW(row - view_start).t; 2140 text_t *stp = ROW(view_start + row).t;
2130 rend_t *srp = ROW(row - view_start).r; 2141 rend_t *srp = ROW(view_start + row).r;
2131 text_t *dtp = drawn_buf[row].t; 2142 text_t *dtp = drawn_buf[row].t;
2132 rend_t *drp = drawn_buf[row].r; 2143 rend_t *drp = drawn_buf[row].r;
2133 2144
2134 /* 2145 /*
2135 * E2: OK, now the real pass 2146 * E2: OK, now the real pass
… …
2372 /* 2383 /*
2373 * H: cleanup selection 2384 * H: cleanup selection
2374 */ 2385 */
2375 scr_reverse_selection (); 2386 scr_reverse_selection ();
2376 2387
2377 if (refresh_type & SMOOTH_REFRESH)
2378 XFlush (display->display);
2379
2380 num_scr = 0; 2388 num_scr = 0;
2381 num_scr_allow = 1; 2389 num_scr_allow = 1;
2382} 2390}
2383 2391
2384void 2392void
… …
2448 2456
2449 if (really) 2457 if (really)
2450 XClearWindow (display->display, vt); 2458 XClearWindow (display->display, vt);
2451} 2459}
2452 2460
2461void
2462rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
2463{
2464 int view_end = view_start + nrow;
2465 int row, col;
2466
2467 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2468 {
2469 text_t *stp = ROW(row).t;
2470 rend_t *srp = ROW(row).r;
2471
2472 for (col = beg_col; col < end_col; col++)
2473 srp[col] ^= rstyle1;
2474
2475 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2476 srp[col] ^= rstyle2;
2477
2478 if (++col < end_col)
2479 srp[col] ^= rstyle2;
2480 }
2481}
2482
2483void
2484rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
2485{
2486 int view_end = view_start + nrow;
2487 int row, col;
2488
2489 if (beg_row >= view_start)
2490 {
2491 col = beg_col;
2492 row = beg_row;
2493 }
2494 else
2495 {
2496 col = 0;
2497 row = view_start;
2498 }
2499
2500 for (; row < min (end_row, view_end); row++, col = 0)
2501 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2502 srp[col] ^= rstyle;
2503
2504 if (row == end_row)
2505 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2506 srp[col] ^= rstyle;
2507}
2508
2453/* ------------------------------------------------------------------------- */ 2509/* ------------------------------------------------------------------------- */
2454void 2510void
2455rxvt_term::scr_reverse_selection () 2511rxvt_term::scr_reverse_selection ()
2456{ 2512{
2457 if (selection.op 2513 if (selection.op
2458 && current_screen == selection.screen 2514 && current_screen == selection.screen
2459 && selection.end.row >= -view_start) 2515 && selection.end.row >= view_start)
2460 { 2516 {
2461 int view_end = -view_start + nrow;
2462 int row, col;
2463
2464#if ENABLE_FRILLS 2517#if ENABLE_FRILLS
2465 if (selection.rect) 2518 if (selection.rect)
2466 { 2519 scr_xor_rect (selection.beg.row, selection.beg.col,
2467 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2520 selection.end.row, selection.end.col,
2468 { 2521 RS_RVid, RS_RVid | RS_Uline);
2469 text_t *stp = ROW(row).t;
2470 rend_t *srp = ROW(row).r;
2471
2472 for (col = selection.beg.col; col < selection.end.col; col++)
2473 srp[col] ^= RS_RVid;
2474
2475 while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2476 srp[col] ^= RS_RVid | RS_Uline;
2477
2478 if (++col < selection.end.col)
2479 srp[col] ^= RS_RVid | RS_Uline;
2480 }
2481 }
2482 else 2522 else
2483#endif 2523#endif
2484 { 2524 scr_xor_span (selection.beg.row, selection.beg.col,
2485 if (selection.beg.row >= -view_start) 2525 selection.end.row, selection.end.col,
2486 { 2526 RS_RVid);
2487 col = selection.beg.col;
2488 row = selection.beg.row;
2489 }
2490 else
2491 {
2492 col = 0;
2493 row = -view_start;
2494 }
2495
2496 for (; row < min (selection.end.row, view_end); row++, col = 0)
2497 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2498 srp[col] ^= RS_RVid;
2499
2500 if (row == selection.end.row)
2501 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2502 srp[col] ^= RS_RVid;
2503 }
2504 } 2527 }
2505} 2528}
2506 2529
2507/* ------------------------------------------------------------------------- */ 2530/* ------------------------------------------------------------------------- */
2508/* 2531/*
… …
2546 2569
2547 if (!selection.op) 2570 if (!selection.op)
2548 return; 2571 return;
2549 2572
2550 pos.row = pos.col = 0; 2573 pos.row = pos.col = 0;
2551 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2574 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2552 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2575 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2553 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2576 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2554 || (check_more == 1 2577 || (check_more == 1
2555 && current_screen == selection.screen 2578 && current_screen == selection.screen
2556 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2579 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2557 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2580 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2558 || (check_more == 2 2581 || (check_more == 2
… …
3000 { 3023 {
3001 display->set_selection_owner (this); 3024 display->set_selection_owner (this);
3002 return true; 3025 return true;
3003 } 3026 }
3004 else 3027 else
3028 {
3029 selection_clear ();
3005 return false; 3030 return false;
3031 }
3006 3032
3007#if 0 3033#if 0
3008 XTextProperty ct; 3034 XTextProperty ct;
3009 3035
3010 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3036 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
… …
3024rxvt_term::selection_click (int clicks, int x, int y) 3050rxvt_term::selection_click (int clicks, int x, int y)
3025{ 3051{
3026 clicks = ((clicks - 1) % 3) + 1; 3052 clicks = ((clicks - 1) % 3) + 1;
3027 selection.clicks = clicks; /* save clicks so extend will work */ 3053 selection.clicks = clicks; /* save clicks so extend will work */
3028 3054
3055 if (clicks == 2 && !selection.rect
3056 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3057 {
3058 MEvent.clicks = 1; // what a mess
3059 selection.screen = current_screen;
3060 selection.op = SELECTION_CONT;
3061 return;
3062 }
3063
3029 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3064 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3030 3065
3031 if (clicks == 2 || clicks == 3) 3066 if (clicks == 2 || clicks == 3)
3032 selection_extend_colrow (selection.mark.col, 3067 selection_extend_colrow (selection.mark.col,
3033 selection.mark.row + view_start, 3068 selection.mark.row - view_start,
3034 0, /* button 3 */ 3069 0, /* button 3 */
3035 1, /* button press */ 3070 1, /* button press */
3036 0); /* click change */ 3071 0); /* click change */
3037} 3072}
3038 3073
… …
3043void 3078void
3044rxvt_term::selection_start_colrow (int col, int row) 3079rxvt_term::selection_start_colrow (int col, int row)
3045{ 3080{
3046 want_refresh = 1; 3081 want_refresh = 1;
3047 3082
3048 selection.mark.row = row - view_start; 3083 selection.mark.row = row + view_start;
3049 selection.mark.col = col; 3084 selection.mark.col = col;
3050 3085
3051 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); 3086 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3052 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); 3087 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3053 3088
3054 while (selection.mark.col > 0 3089 while (selection.mark.col > 0
3055 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3090 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3056 --selection.mark.col; 3091 --selection.mark.col;
… …
3084 text_t *stp; 3119 text_t *stp;
3085 rend_t *srp; 3120 rend_t *srp;
3086 3121
3087 if (dirn == UP) 3122 if (dirn == UP)
3088 { 3123 {
3089 bound.row = - nsaved - 1; 3124 bound.row = top_row - 1;
3090 bound.col = 0; 3125 bound.col = 0;
3091 dirnadd = -1; 3126 dirnadd = -1;
3092 } 3127 }
3093 else 3128 else
3094 { 3129 {
… …
3172 * select nothing. Otherwise, if we're to the right of the mark, you have to 3207 * select nothing. Otherwise, if we're to the right of the mark, you have to
3173 * be _past_ a character for it to be selected. 3208 * be _past_ a character for it to be selected.
3174 */ 3209 */
3175 if (((selection.clicks % 3) == 1) && !flag 3210 if (((selection.clicks % 3) == 1) && !flag
3176 && (col == selection.mark.col 3211 && (col == selection.mark.col
3177 && (row == selection.mark.row + view_start))) 3212 && (row == selection.mark.row - view_start)))
3178 { 3213 {
3179 /* select nothing */ 3214 /* select nothing */
3180 selection.beg.row = selection.end.row = 0; 3215 selection.beg.row = selection.end.row = 0;
3181 selection.beg.col = selection.end.col = 0; 3216 selection.beg.col = selection.end.col = 0;
3182 selection.clicks = 4; 3217 selection.clicks = 4;
… …
3237 selection.beg.col = selection.end.col = selection.mark.col; 3272 selection.beg.col = selection.end.col = selection.mark.col;
3238 selection.beg.row = selection.end.row = selection.mark.row; 3273 selection.beg.row = selection.end.row = selection.mark.row;
3239 } 3274 }
3240 3275
3241 pos.col = col; 3276 pos.col = col;
3242 pos.row = row - view_start; 3277 pos.row = view_start + row;
3243 3278
3244 /* 3279 /*
3245 * This is mainly xterm style selection with a couple of differences, mainly 3280 * This is mainly xterm style selection with a couple of differences, mainly
3246 * in the way button3 drag extension works. 3281 * in the way button3 drag extension works.
3247 * We're either doing: button1 drag; button3 press; or button3 drag 3282 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3328 else if (selection.clicks == 2) 3363 else if (selection.clicks == 2)
3329 { 3364 {
3330 if (ROWCOL_IS_AFTER (selection.end, selection.beg)) 3365 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3331 selection.end.col--; 3366 selection.end.col--;
3332 3367
3333 if (!HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3334 {
3335 selection_delimit_word (UP, &selection.beg, &selection.beg); 3368 selection_delimit_word (UP, &selection.beg, &selection.beg);
3336 selection_delimit_word (DN, &selection.end, &selection.end); 3369 selection_delimit_word (DN, &selection.end, &selection.end);
3337 }
3338 } 3370 }
3339 else if (selection.clicks == 3) 3371 else if (selection.clicks == 3)
3340 { 3372 {
3341#if ENABLE_FRILLS 3373#if ENABLE_FRILLS
3342 if (OPTION (Opt_tripleclickwords)) 3374 if (OPTION (Opt_tripleclickwords))
… …
3735 for (int y = ov_h; y--; ) 3767 for (int y = ov_h; y--; )
3736 { 3768 {
3737 text_t *t1 = ov_text[y]; 3769 text_t *t1 = ov_text[y];
3738 rend_t *r1 = ov_rend[y]; 3770 rend_t *r1 = ov_rend[y];
3739 3771
3740 text_t *t2 = ROW(y + ov_y - view_start).t + ov_x; 3772 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3741 rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x; 3773 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3742 3774
3743 for (int x = ov_w; x--; ) 3775 for (int x = ov_w; x--; )
3744 { 3776 {
3745 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3777 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3746 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3778 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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