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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.369 by sf-exg, Sun Feb 6 11:42:03 2011 UTC vs.
Revision 1.409 by sf-exg, Mon Nov 21 18:35:52 2011 UTC

1/*---------------------------------------------------------------------------* 1/*---------------------------------------------------------------------------*
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) 2003-2007 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
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.
159 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
160 160
161void 161void
162rxvt_term::scr_reset () 162rxvt_term::scr_reset ()
163{ 163{
164#if ENABLE_OVERLAY
165 scr_overlay_off ();
166#endif
167
164 view_start = 0; 168 view_start = 0;
165 num_scr = 0; 169 num_scr = 0;
166 170
167 if (ncol == 0) 171 if (ncol == 0)
168 ncol = 80; 172 ncol = 80;
199 term_start = 0; 203 term_start = 0;
200 204
201 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
202 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203 207
204 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); 208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
205 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207 211
208 for (int row = nrow; row--; ) 212 for (int row = nrow; row--; )
209 { 213 {
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
275 line_t *old_buf = row_buf; 279 line_t *old_buf = row_buf;
276 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); 280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
277 281
278 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
279 int pend = MOD (term_start + top_row , prev_total_rows); 283 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row 284 int q = total_rows; // rewrapped row
281 285
545 return; 549 return;
546 550
547 want_refresh = 1; 551 want_refresh = 1;
548 view_start = 0; 552 view_start = 0;
549 553
550 selection_check (2); /* check for boundary cross */ 554 /* check for boundary cross */
555 row_col_t pos;
556 pos.row = pos.col = 0;
557 if (ROWCOL_IS_BEFORE (selection.beg, pos)
558 && ROWCOL_IS_AFTER (selection.end, pos))
559 CLEAR_SELECTION ();
551 560
552 current_screen = scrn; 561 current_screen = scrn;
553 562
554#if NSCREENS 563#if NSCREENS
555 if (option (Opt_secondaryScreen)) 564 if (option (Opt_secondaryScreen))
634 643
635 if (count > 0 644 if (count > 0
636 && row1 == 0 645 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 646 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 { 647 {
648 min_it (count, total_rows - (nrow - (row2 + 1)));
649
639 top_row = max (top_row - count, -saveLines); 650 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643 651
644 // sever bottommost line 652 // sever bottommost line
645 { 653 {
646 line_t &l = ROW(row2 - count); 654 line_t &l = ROW(row2);
647 l.is_longer (0); 655 l.is_longer (0);
648 l.touch (); 656 l.touch ();
649 } 657 }
650 658
659 // scroll everything up 'count' lines
660 term_start = (term_start + count) % total_rows;
661
662 // now copy lines below the scroll region bottom to the
663 // bottom of the screen again, so they look as if they
664 // hadn't moved.
665 for (int i = nrow; --i > row2; )
666 {
667 line_t &l1 = ROW(i - count);
668 line_t &l2 = ROW(i);
669
670 ::swap (l1, l2);
671 l2.touch ();
672 }
673
651 // erase newly scrolled-in lines 674 // erase newly scrolled-in lines
652 for (int i = count; i--; ) 675 for (int i = count; i--; )
653 { 676 {
654 line_t &l = ROW(nrow - 1 - i); 677 line_t &l = ROW(row2 - i);
655 678
656 // optimize if already cleared, can be significant on slow machines 679 // optimise if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem 680 // could be rolled into scr_blank_screen_mem
658 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 681 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 { 682 {
660 scr_blank_line (l, 0, l.l, rstyle); 683 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0; 684 l.l = 0;
663 } 686 }
664 else 687 else
665 scr_blank_screen_mem (l, rstyle); 688 scr_blank_screen_mem (l, rstyle);
666 } 689 }
667 690
668 // now copy lines below the scroll region bottom to the
669 // bottom of the screen again, so they look as if they
670 // hadn't moved.
671 for (int i = nrow; --i > row2; )
672 {
673 line_t &l1 = ROW(i - count);
674 line_t &l2 = ROW(i);
675
676 ::swap (l1, l2);
677 l2.touch ();
678 }
679
680 // move and/or clear selection, if any 691 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen) 692 if (selection.op && current_screen == selection.screen
693 && selection.beg.row <= row2)
682 { 694 {
683 selection.beg.row -= count; 695 selection.beg.row -= count;
684 selection.end.row -= count; 696 selection.end.row -= count;
685 selection.mark.row -= count; 697 selection.mark.row -= count;
686 698
687 if (selection.beg.row < top_row 699 selection_check (0);
688 || selection.end.row < top_row
689 || selection.mark.row < top_row)
690 {
691 CLEAR_ALL_SELECTION ();
692 selection.op = SELECTION_CLEAR;
693 }
694 } 700 }
695 701
696 // finally move the view window, if desired 702 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 703 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 704 && view_start != 0
728 } 734 }
729 735
730 // use a simple and robust scrolling algorithm, this 736 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical. 737 // part of scr_scroll_text is not time-critical.
732 738
739 // sever line above scroll region
740 if (row1)
741 {
742 line_t &l = ROW(row1 - 1);
743 l.is_longer (0);
744 l.touch ();
745 }
746
733 int rows = row2 - row1 + 1; 747 int rows = row2 - row1 + 1;
734 748
735 min_it (count, rows); 749 min_it (count, rows);
736 750
737 line_t *temp_buf = row_buf + total_rows; 751 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738 752
739 for (int row = 0; row < rows; row++) 753 for (int row = 0; row < rows; row++)
740 { 754 {
741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 755 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742 756
744 scr_blank_screen_mem (temp_buf [row], rstyle); 758 scr_blank_screen_mem (temp_buf [row], rstyle);
745 } 759 }
746 760
747 for (int row = 0; row < rows; row++) 761 for (int row = 0; row < rows; row++)
748 ROW(row1 + row) = temp_buf [row]; 762 ROW(row1 + row) = temp_buf [row];
763
764 // sever bottommost line
765 {
766 line_t &l = ROW(row2);
767 l.is_longer (0);
768 l.touch ();
769 }
749 } 770 }
750 771
751 return count; 772 return count;
752} 773}
753 774
759rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 780rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760{ 781{
761 if (len <= 0) /* sanity */ 782 if (len <= 0) /* sanity */
762 return; 783 return;
763 784
764 unsigned char checksel; 785 bool checksel;
765 unicode_t c; 786 unicode_t c;
766 int ncol = this->ncol; 787 int ncol = this->ncol;
767 const wchar_t *strend = str + len; 788 const wchar_t *strend = str + len;
768 789
769 want_refresh = 1; 790 want_refresh = 1;
795 816
796 while (str < strend) 817 while (str < strend)
797 { 818 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 819 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 820
800 if (expect_false (c < 0x20)) 821 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 822 if (c == C0_LF)
802 { 823 {
803 max_it (line->l, screen.cur.col); 824 max_it (line->l, screen.cur.col);
804 825
805 screen.flags &= ~Screen_WrapNext; 826 screen.flags &= ~Screen_WrapNext;
824 { 845 {
825 scr_tab (1, true); 846 scr_tab (1, true);
826 continue; 847 continue;
827 } 848 }
828 849
829 if (expect_false ( 850 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 851 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 852 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 853 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 854 ))
834 { 855 {
839 * should be a similar check. 860 * should be a similar check.
840 */ 861 */
841 CLEAR_SELECTION (); 862 CLEAR_SELECTION ();
842 } 863 }
843 864
844 if (expect_false (screen.flags & Screen_WrapNext)) 865 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 866 {
846 scr_do_wrap (); 867 scr_do_wrap ();
847 868
848 line->l = ncol; 869 line->l = ncol;
849 line->is_longer (1); 870 line->is_longer (1);
851 row = screen.cur.row; 872 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 873 line = &ROW(row); /* _must_ refresh */
853 } 874 }
854 875
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 876 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 877 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 878 c = 0xfffd;
858 879
859 // rely on wcwidth to tell us the character width, do wcwidth before 880 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line 881 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 882 // drawing characters below as they might be invalid in the current
862 // locale. 883 // locale.
863 int width = WCWIDTH (c); 884 int width = WCWIDTH (c);
864 885
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 886 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 887 {
867 // vt100 special graphics and line drawing 888 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 889 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 890 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 891 static uint16_t vt100_0[62] = { // 41 .. 7e
883 c = vt100_0[c - 0x41]; 904 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 905 width = 1; // vt100 line drawing characters are always single-width
885 } 906 }
886 } 907 }
887 908
888 if (expect_false (screen.flags & Screen_Insert)) 909 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 910 scr_insdel_chars (width, INSERT);
890 911
891 if (width != 0) 912 if (width != 0)
892 { 913 {
893#if !UNICODE_3 914#if !UNICODE_3
901#endif 922#endif
902 923
903 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 924 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904 925
905 // if the character doesn't fit into the remaining columns... 926 // if the character doesn't fit into the remaining columns...
906 if (expect_false (screen.cur.col > ncol - width && ncol >= width)) 927 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
907 { 928 {
908 if (screen.flags & Screen_Autowrap) 929 if (screen.flags & Screen_Autowrap)
909 { 930 {
910 // ... artificially enlargen the previous one 931 // ... artificially enlargen the previous one
911 c = NOCHAR; 932 c = NOCHAR;
918 939
919 // nuke the character at this position, if required 940 // nuke the character at this position, if required
920 // due to wonderful coincidences everywhere else in this loop 941 // due to wonderful coincidences everywhere else in this loop
921 // we never have to check for overwriting a wide char itself, 942 // we never have to check for overwriting a wide char itself,
922 // only its tail. 943 // only its tail.
923 if (expect_false (line->t[screen.cur.col] == NOCHAR)) 944 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
924 scr_kill_char (*line, screen.cur.col); 945 scr_kill_char (*line, screen.cur.col);
925 946
926 line->touch (); 947 line->touch ();
927 948
928 do 949 do
929 { 950 {
930 line->t[screen.cur.col] = c; 951 line->t[screen.cur.col] = c;
931 line->r[screen.cur.col] = rend; 952 line->r[screen.cur.col] = rend;
932 953
933 if (expect_true (screen.cur.col < ncol - 1)) 954 if (ecb_likely (screen.cur.col < ncol - 1))
934 screen.cur.col++; 955 screen.cur.col++;
935 else 956 else
936 { 957 {
937 line->l = ncol; 958 line->l = ncol;
938 if (screen.flags & Screen_Autowrap) 959 if (screen.flags & Screen_Autowrap)
941 goto end_of_line; 962 goto end_of_line;
942 } 963 }
943 964
944 c = NOCHAR; 965 c = NOCHAR;
945 } 966 }
946 while (expect_false (--width > 0)); 967 while (ecb_unlikely (--width > 0));
947 968
948 // pad with spaces when overwriting wide character with smaller one 969 // pad with spaces when overwriting wide character with smaller one
949 for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++) 970 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950 { 971 {
951 line->t[c] = ' '; 972 line->t[c] = ' ';
952 line->r[c] = rend; 973 line->r[c] = rend;
953 } 974 }
954 975
1291 scr_blank_line (line, col, num, rstyle); 1312 scr_blank_line (line, col, num, rstyle);
1292} 1313}
1293 1314
1294/* ------------------------------------------------------------------------- */ 1315/* ------------------------------------------------------------------------- */
1295/* 1316/*
1296 * Erase part of whole of the screen 1317 * Erase part or whole of the screen
1297 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1318 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1319 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1320 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300 */ 1321 */
1301void 1322void
1310 ZERO_SCROLLBACK (); 1331 ZERO_SCROLLBACK ();
1311 1332
1312 switch (mode) 1333 switch (mode)
1313 { 1334 {
1314 case 0: /* erase to end of screen */ 1335 case 0: /* erase to end of screen */
1315 selection_check (1);
1316 scr_erase_line (0); 1336 scr_erase_line (0);
1317 row = screen.cur.row + 1; /* possible OOB */ 1337 row = screen.cur.row + 1; /* possible OOB */
1318 num = nrow - row; 1338 num = nrow - row;
1319 break; 1339 break;
1320 case 1: /* erase to beginning of screen */ 1340 case 1: /* erase to beginning of screen */
1321 selection_check (3);
1322 scr_erase_line (1); 1341 scr_erase_line (1);
1323 row = 0; 1342 row = 0;
1324 num = screen.cur.row; 1343 num = screen.cur.row;
1325 break; 1344 break;
1326 case 2: /* erase whole screen */ 1345 case 2: /* erase whole screen */
1327 selection_check (3);
1328 row = 0; 1346 row = 0;
1329 num = nrow; 1347 num = nrow;
1330 break; 1348 break;
1331 default: 1349 default:
1332 return; 1350 return;
1403 1421
1404 want_refresh = 1; 1422 want_refresh = 1;
1405 ZERO_SCROLLBACK (); 1423 ZERO_SCROLLBACK ();
1406 1424
1407 num_scr_allow = 0; 1425 num_scr_allow = 0;
1408 selection_check (3); 1426
1427 row_col_t pos;
1428 pos.row = pos.col = 0;
1429 if (ROWCOL_IS_AFTER (selection.end, pos))
1430 CLEAR_SELECTION ();
1409 1431
1410 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1432 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1411 for (int row = nrow; row--; ) 1433 for (int row = nrow; row--; )
1412 { 1434 {
1413 line_t &line = ROW(row); 1435 line_t &line = ROW(row);
1920 1942
1921# ifndef NO_MAPALERT 1943# ifndef NO_MAPALERT
1922# ifdef MAPALERT_OPTION 1944# ifdef MAPALERT_OPTION
1923 if (option (Opt_mapAlert)) 1945 if (option (Opt_mapAlert))
1924# endif 1946# endif
1925 XMapWindow (dpy, parent[0]); 1947 XMapWindow (dpy, parent);
1926# endif 1948# endif
1927 1949
1928# if ENABLE_FRILLS 1950# if ENABLE_FRILLS
1929 if (option (Opt_urgentOnBell)) 1951 if (option (Opt_urgentOnBell))
1930 set_urgency (1); 1952 set_urgency (1);
1943 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1965 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1944#endif 1966#endif
1945} 1967}
1946 1968
1947/* ------------------------------------------------------------------------- */ 1969/* ------------------------------------------------------------------------- */
1948/* ARGSUSED */
1949void 1970void
1950rxvt_term::scr_printscreen (int fullhist) NOTHROW 1971rxvt_term::scr_printscreen (int fullhist) NOTHROW
1951{ 1972{
1952#ifdef PRINTPIPE 1973#ifdef PRINTPIPE
1953 int nrows, row_start; 1974 int nrows, row_start;
2027 * A: set up vars 2048 * A: set up vars
2028 */ 2049 */
2029 refresh_count = 0; 2050 refresh_count = 0;
2030 2051
2031 unsigned int old_screen_flags = screen.flags; 2052 unsigned int old_screen_flags = screen.flags;
2032 char have_bg = 0; 2053 bool have_bg = 0;
2033#ifdef HAVE_BG_PIXMAP 2054#ifdef HAVE_BG_PIXMAP
2034 have_bg = bg_pixmap != None; 2055 have_bg = bg_pixmap != None;
2035#endif 2056#endif
2036 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2057 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2037 2058
2043 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2064 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044#if ENABLE_OVERLAY 2065#if ENABLE_OVERLAY
2045 scr_swap_overlay (); 2066 scr_swap_overlay ();
2046#endif 2067#endif
2047 2068
2048 char showcursor = screen.flags & Screen_VisibleCursor; 2069 bool showcursor = screen.flags & Screen_VisibleCursor;
2049 2070
2050 /* 2071 /*
2051 * C: set the cursor character (s) 2072 * C: set the cursor character (s)
2052 */ 2073 */
2053 { 2074 {
2054 unsigned char setoldcursor; 2075 bool setoldcursor;
2055 2076
2056#ifdef CURSOR_BLINK 2077#ifdef CURSOR_BLINK
2057 if (hidden_cursor) 2078 if (hidden_cursor)
2058 showcursor = 0; 2079 showcursor = 0;
2059#endif 2080#endif
2231 continue; 2252 continue;
2232 2253
2233 // redraw one or more characters 2254 // redraw one or more characters
2234 2255
2235 // seek to the beginning of wide characters 2256 // seek to the beginning of wide characters
2236 while (expect_false (stp[col] == NOCHAR && col > 0)) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2237 --col; 2258 --col;
2238 2259
2239 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240 text_t *text = stp + col; 2261 text_t *text = stp + col;
2241 int count = 1; 2262 int count = 1;
2279 2300
2280 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2281 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2282 2303
2283 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2284 while (expect_false (i && text[count] == NOCHAR)) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2285 count++, i--; 2306 count++, i--;
2286 2307
2287 /* 2308 /*
2288 * Determine the attributes for the string 2309 * Determine the attributes for the string
2289 */ 2310 */
2290 int fore = fgcolor_of (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2291 int back = bgcolor_of (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2292 2313
2293 // only do special processing if any attributes are set, which is unlikely 2314 // only do special processing if any attributes are set, which is unlikely
2294 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295 { 2316 {
2296 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2297 2318
2298#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2299 if (rend & RS_Bold && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
2388 /* 2409 /*
2389 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2390 */ 2411 */
2391 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392 2413
2393 if (expect_true (have_bg && back == Color_bg)) 2414 if (ecb_likely (have_bg && back == Color_bg))
2394 { 2415 {
2395 // this is very ugly, maybe push it into ->draw? 2416 // this is very ugly, maybe push it into ->draw?
2396 2417
2397 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2398 if (text[i] != ' ') 2419 if (text[i] != ' ')
2405 did_clear: ; 2426 did_clear: ;
2406 } 2427 }
2407 else 2428 else
2408 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2409 2430
2410 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2411 { 2432 {
2412#if ENABLE_FRILLS 2433#if ENABLE_FRILLS
2413 if (ISSET_PIXCOLOR (Color_underline)) 2434 if (ISSET_PIXCOLOR (Color_underline))
2414 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415 else 2436 else
2516 if (bg_pixmap != None) 2537 if (bg_pixmap != None)
2517 { 2538 {
2518# ifdef ENABLE_TRANSPARENCY 2539# ifdef ENABLE_TRANSPARENCY
2519 if (bg_flags & BG_IS_TRANSPARENT) 2540 if (bg_flags & BG_IS_TRANSPARENT)
2520 { 2541 {
2521 XSetWindowBackgroundPixmap (dpy, parent[0], bg_pixmap); 2542 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2522 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); 2543 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2523 2544
2524 transparent = true; 2545 transparent = true;
2525 } 2546 }
2526 else 2547 else
2527# endif 2548# endif
2528 { 2549 {
2529 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2530 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap); 2551 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2531 } 2552 }
2532 } 2553 }
2533 else 2554 else
2534#endif 2555#endif
2535 { 2556 {
2536 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2557 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2537 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2558 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2538 } 2559 }
2539 2560
2540 XClearWindow (dpy, parent[0]); 2561 XClearWindow (dpy, parent);
2541 2562
2542 if (scrollBar.win) 2563 if (scrollBar.win)
2543 { 2564 {
2544 if (transparent) 2565 if (transparent)
2545 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2566 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2546 else 2567 else
2547 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2568 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2548 scrollBar.state = STATE_IDLE; 2569 scrollBar.state = SB_STATE_IDLE;
2549 scrollBar.show (0); 2570 scrollBar.show (0);
2550 } 2571 }
2551 2572
2552 if (refresh) 2573 if (refresh)
2553 { 2574 {
2647 */ 2668 */
2648#if 0 2669#if 0
2649void 2670void
2650rxvt_term::scr_dump (int fd) NOTHROW 2671rxvt_term::scr_dump (int fd) NOTHROW
2651{ 2672{
2652 int row, wrote; 2673 // if this method is needed, it can be implemented by factoring the
2653 unsigned int width, towrite; 2674 // relevant code in scr_printscreen
2654 const char r1[] = "\n";
2655
2656 for (row = saveLines + top_row;
2657 row < saveLines + nrow - 1; row++)
2658 {
2659 width = row_buf[row].l >= 0 ? row_buf[row].l
2660 : ncol;
2661 for (towrite = width; towrite; towrite -= wrote)
2662 {
2663 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2664 towrite);
2665 if (wrote < 0)
2666 return; /* XXX: death, no report */
2667 }
2668 if (row_buf[row].l >= 0)
2669 if (write (fd, r1, 1) <= 0)
2670 return; /* XXX: death, no report */
2671 }
2672} 2675}
2673#endif 2676#endif
2674 2677
2675/* ------------------------------------------------------------------------- * 2678/* ------------------------------------------------------------------------- *
2676 * CHARACTER SELECTION * 2679 * CHARACTER SELECTION *
2677 * ------------------------------------------------------------------------- */ 2680 * ------------------------------------------------------------------------- */
2678void 2681void
2679rxvt_term::selection_check (int check_more) NOTHROW 2682rxvt_term::selection_check (int check_more) NOTHROW
2680{ 2683{
2681 row_col_t pos;
2682
2683 if (!selection.op) 2684 if (!selection.op)
2684 return; 2685 return;
2685 2686
2686 pos.row = pos.col = 0;
2687 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2687 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2688 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2688 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2689 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2689 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2690 || (check_more == 1 2690 || (check_more == 1
2691 && current_screen == selection.screen 2691 && current_screen == selection.screen
2692 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2692 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2693 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2693 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2694 || (check_more == 2
2695 && ROWCOL_IS_BEFORE (selection.beg, pos)
2696 && ROWCOL_IS_AFTER (selection.end, pos))
2697 || (check_more == 3
2698 && ROWCOL_IS_AFTER (selection.end, pos))
2699 || (check_more == 4 /* screen width change */
2700 && (selection.beg.row != selection.end.row
2701 || selection.end.col > ncol)))
2702 CLEAR_SELECTION (); 2694 CLEAR_ALL_SELECTION ();
2703} 2695}
2704 2696
2705/* ------------------------------------------------------------------------- */ 2697/* ------------------------------------------------------------------------- */
2706/* 2698/*
2707 * Paste a selection direct to the command fd 2699 * Paste a selection direct to the command fd
2732 tt_paste (data, len); 2724 tt_paste (data, len);
2733} 2725}
2734 2726
2735/* ------------------------------------------------------------------------- */ 2727/* ------------------------------------------------------------------------- */
2736/* 2728/*
2737 * Respond to a notification that a primary selection has been sent 2729 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2738 * EXT: SelectionNotify 2730 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2739 */ 2731 * as fallback
2740void
2741rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2742{
2743 if (prop == None) /* check for failed XConvertSelection */
2744 {
2745 int selnum = selection_type & Sel_whereMask;
2746
2747 if (selnum == Sel_direct)
2748 selection_type = 0;
2749
2750 if ((selection_type & Sel_CompoundText))
2751 {
2752 selection_type = 0;
2753 selection_request_other (XA_STRING, selnum);
2754 }
2755
2756 if ((selection_type & Sel_UTF8String))
2757 {
2758 selection_type = Sel_CompoundText;
2759 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2760 }
2761
2762 return;
2763 }
2764
2765 unsigned long bytes_after;
2766 XTextProperty ct;
2767
2768 // length == (2^31 - 1) / 4, as gdk
2769 if (XGetWindowProperty (dpy, win, prop,
2770 0, 0x1fffffff,
2771 delete_prop, AnyPropertyType,
2772 &ct.encoding, &ct.format,
2773 &ct.nitems, &bytes_after,
2774 &ct.value) != Success)
2775 {
2776 ct.value = 0;
2777 goto bailout;
2778 }
2779
2780 if (ct.encoding == None)
2781 goto bailout;
2782
2783 if (ct.value == 0)
2784 goto bailout;
2785
2786 if (ct.encoding == xa[XA_INCR])
2787 {
2788 // INCR selection, start handshake
2789 if (!delete_prop)
2790 XDeleteProperty (dpy, win, prop);
2791
2792 selection_wait = Sel_incr;
2793 incr_buf_fill = 0;
2794 incr_ev.start (10);
2795
2796 goto bailout;
2797 }
2798
2799 if (ct.nitems == 0)
2800 {
2801 if (selection_wait == Sel_incr)
2802 {
2803 XFree (ct.value);
2804
2805 // finally complete, now paste the whole thing
2806 selection_wait = Sel_normal;
2807 ct.value = (unsigned char *)incr_buf;
2808 ct.nitems = incr_buf_fill;
2809 incr_buf = 0;
2810 incr_buf_size = 0;
2811 incr_ev.stop ();
2812 }
2813 else
2814 {
2815 if (selection_wait == Sel_normal
2816 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2817 {
2818 /*
2819 * pass through again trying CUT_BUFFER0 if we've come from
2820 * XConvertSelection () but nothing was presented
2821 */
2822 selection_paste (display->root, XA_CUT_BUFFER0, false);
2823 }
2824
2825 goto bailout;
2826 }
2827 }
2828 else if (selection_wait == Sel_incr)
2829 {
2830 incr_ev.start (10);
2831
2832 while (incr_buf_fill + ct.nitems > incr_buf_size)
2833 {
2834 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2835 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
2836 }
2837
2838 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2839 incr_buf_fill += ct.nitems;
2840
2841 goto bailout;
2842 }
2843
2844 char **cl;
2845 int cr;
2846
2847#if !ENABLE_MINIMAL
2848 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2849 // so recode it manually
2850 if (ct.encoding == xa[XA_UTF8_STRING])
2851 {
2852 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2853 char *s = rxvt_wcstombs (w);
2854 free (w);
2855 // TODO: strlen == only the first element will be converted. well...
2856 paste (s, strlen (s));
2857 free (s);
2858 }
2859 else
2860#endif
2861 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2862 && cl)
2863 {
2864 for (int i = 0; i < cr; i++)
2865 paste (cl[i], strlen (cl[i]));
2866
2867 XFreeStringList (cl);
2868 }
2869 else
2870 paste ((char *)ct.value, ct.nitems); // paste raw
2871
2872bailout:
2873 XFree (ct.value);
2874
2875 if (selection_wait == Sel_normal)
2876 selection_wait = Sel_none;
2877}
2878
2879void
2880rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2881{
2882 selection_wait = Sel_none;
2883
2884 incr_buf_size = 0;
2885 free (incr_buf);
2886
2887 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2888}
2889
2890void
2891rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2892{
2893 if (prop == None || selection_wait != Sel_incr)
2894 return;
2895
2896 selection_paste (win, prop, true);
2897}
2898
2899/* ------------------------------------------------------------------------- */
2900/*
2901 * Request the current selection:
2902 * Order: > internal selection if available
2903 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2904 * > CUT_BUFFER0
2905 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2906 * will auto fallback to CUT_BUFFER0
2907 * EXT: button 2 release 2732 * EXT: button 2 release
2908 */ 2733 */
2909void 2734void
2910rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2735rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2911{ 2736{
2912 if (selection.text && selnum == Sel_Primary) 2737 if (!selection_req)
2913 {
2914 /* internal selection */
2915 char *str = rxvt_wcstombs (selection.text, selection.len);
2916 paste (str, strlen (str));
2917 free (str);
2918 return;
2919 } 2738 {
2920 else 2739 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2740 selection_req->run ();
2921 { 2741 }
2922 selection_request_time = tm;
2923 selection_wait = Sel_normal;
2924
2925#if X_HAVE_UTF8_STRING
2926 selection_type = Sel_UTF8String;
2927 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2928 return;
2929#else
2930 selection_type = Sel_CompoundText;
2931 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2932 return;
2933#endif
2934 }
2935
2936 selection_wait = Sel_none; /* don't loop in selection_paste () */
2937 selection_paste (display->root, XA_CUT_BUFFER0, false);
2938}
2939
2940int
2941rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2942{
2943 Atom sel;
2944
2945 selection_type |= selnum;
2946
2947 if (selnum == Sel_Primary)
2948 sel = XA_PRIMARY;
2949 else if (selnum == Sel_Secondary)
2950 sel = XA_SECONDARY;
2951 else
2952 sel = xa[XA_CLIPBOARD];
2953
2954 if (XGetSelectionOwner (dpy, sel) != None)
2955 {
2956 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2957 vt, selection_request_time);
2958 return 1;
2959 }
2960
2961 return 0;
2962} 2742}
2963 2743
2964/* ------------------------------------------------------------------------- */ 2744/* ------------------------------------------------------------------------- */
2965/* 2745/*
2966 * Clear all selected text 2746 * Clear all selected text
3610 * EXT: SelectionRequest 3390 * EXT: SelectionRequest
3611 */ 3391 */
3612void 3392void
3613rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3393rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3614{ 3394{
3395 Atom property = rq.property == None ? rq.target : rq.property;
3615 XSelectionEvent ev; 3396 XSelectionEvent ev;
3616 3397
3617 ev.type = SelectionNotify; 3398 ev.type = SelectionNotify;
3618 ev.property = None; 3399 ev.property = None;
3619 ev.display = rq.display; 3400 ev.display = rq.display;
3634 *target++ = xa[XA_COMPOUND_TEXT]; 3415 *target++ = xa[XA_COMPOUND_TEXT];
3635#if X_HAVE_UTF8_STRING 3416#if X_HAVE_UTF8_STRING
3636 *target++ = xa[XA_UTF8_STRING]; 3417 *target++ = xa[XA_UTF8_STRING];
3637#endif 3418#endif
3638 3419
3639 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3420 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3640 32, PropModeReplace, 3421 32, PropModeReplace,
3641 (unsigned char *)target_list, target - target_list); 3422 (unsigned char *)target_list, target - target_list);
3642 ev.property = rq.property; 3423 ev.property = property;
3643 } 3424 }
3644#if TODO // TODO 3425#if TODO // TODO
3645 else if (rq.target == xa[XA_MULTIPLE]) 3426 else if (rq.target == xa[XA_MULTIPLE])
3646 { 3427 {
3647 /* TODO: Handle MULTIPLE */ 3428 /* TODO: Handle MULTIPLE */
3648 } 3429 }
3649#endif 3430#endif
3650 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3431 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3651 { 3432 {
3652 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3433 XChangeProperty (dpy, rq.requestor, property, rq.target,
3653 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3434 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3654 ev.property = rq.property; 3435 ev.property = property;
3655 } 3436 }
3656 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3437 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3657 { 3438 {
3658 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3439 XChangeProperty (dpy, rq.requestor, property, rq.target,
3659 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3440 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3660 ev.property = rq.property; 3441 ev.property = property;
3661 } 3442 }
3662 else if (rq.target == XA_STRING 3443 else if (rq.target == XA_STRING
3663 || rq.target == xa[XA_TEXT] 3444 || rq.target == xa[XA_TEXT]
3664 || rq.target == xa[XA_COMPOUND_TEXT] 3445 || rq.target == xa[XA_COMPOUND_TEXT]
3665 || rq.target == xa[XA_UTF8_STRING] 3446 || rq.target == xa[XA_UTF8_STRING]
3736 ct.value = (unsigned char *)cl; 3517 ct.value = (unsigned char *)cl;
3737 ct.nitems = selectlen; 3518 ct.nitems = selectlen;
3738 ct.encoding = target; 3519 ct.encoding = target;
3739 } 3520 }
3740 3521
3741 XChangeProperty (dpy, rq.requestor, rq.property, 3522 XChangeProperty (dpy, rq.requestor, property,
3742 ct.encoding, 8, PropModeReplace, 3523 ct.encoding, 8, PropModeReplace,
3743 ct.value, (int)ct.nitems); 3524 ct.value, (int)ct.nitems);
3744 ev.property = rq.property; 3525 ev.property = property;
3745 3526
3746 if (freect) 3527 if (freect)
3747 XFree (ct.value); 3528 XFree (ct.value);
3748 } 3529 }
3749 3530

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