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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.156 by root, Fri Feb 4 11:41:23 2005 UTC vs.
Revision 1.170 by root, Mon Nov 28 19:35:04 2005 UTC

28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29 29
30#include <X11/Xmd.h> /* get the typedef for CARD32 */ 30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 31
32#include <inttypes.h> 32#include <inttypes.h>
33#include <wchar.h>
34 33
35#include "salloc.C" // HACK, should be a seperate compile! 34#include "salloc.C" // HACK, should be a seperate compile!
36 35
37inline void fill_text (text_t *start, text_t value, int len) 36inline void fill_text (text_t *start, text_t value, int len)
38{ 37{
203 /* 202 /*
204 * first time called so just malloc everything: don't rely on realloc 203 * first time called so just malloc everything: don't rely on realloc
205 * Note: this is still needed so that all the scrollback lines are NULL 204 * Note: this is still needed so that all the scrollback lines are NULL
206 */ 205 */
207 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *)); 206 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
208 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *)); 207 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
209 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *)); 208 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
210 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *)); 209 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
211 210
212 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t)); 211 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
213 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t)); 212 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
214 213
215 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *)); 214 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
216 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *)); 215 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
217 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *)); 216 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
218 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *)); 217 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
219 218
220 for (p = 0; p < nrow; p++) 219 for (p = 0; p < nrow; p++)
221 { 220 {
222 q = p + TermWin.saveLines; 221 q = p + TermWin.saveLines;
223 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE); 222 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
442 */ 441 */
443void 442void
444rxvt_term::scr_release () 443rxvt_term::scr_release ()
445{ 444{
446 unsigned int total_rows; 445 unsigned int total_rows;
447 int i;
448 446
449 total_rows = TermWin.nrow + TermWin.saveLines; 447 total_rows = TermWin.nrow + TermWin.saveLines;
450 448
451 delete talloc; talloc = 0; 449 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0; 450 delete ralloc; ralloc = 0;
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 698 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 699 }
702 else if (j >= row1 && j <= row2) 700 else if (j >= row1 && j <= row2)
703 { 701 {
704 /* move selected region too */ 702 /* move selected region too */
705 selection.beg.row -= count; 703 selection.beg.row -= count;
706 selection.end.row -= count; 704 selection.end.row -= count;
707 selection.mark.row -= count; 705 selection.mark.row -= count;
708 } 706 }
709 } 707 }
710 708
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 709 selection_check (0); /* _after_ TermWin.nscrolled update */
719 i = row2 - row1 + 1; 717 i = row2 - row1 + 1;
720 MIN_IT (count, i); 718 MIN_IT (count, i);
721 719
722 if (j > 0) 720 if (j > 0)
723 { 721 {
724 /* A: scroll up */ 722 /* scroll up */
725 723
726 /* A1: Copy lines that will get clobbered by the rotation */ 724 /* Copy lines that will get clobbered by the rotation */
727 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *)); 725 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
728 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *)); 726 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
729 727
730 /* A2: Rotate lines */ 728 /* Rotate lines */
731 i = row2 - row1 - count + 1; 729 i = row2 - row1 - count + 1;
732 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t)); 730 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
733 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *)); 731 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
734 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *)); 732 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
735 733
736 j = row2 - count + 1, i = count; 734 j = row2 - count + 1, i = count;
737 } 735 }
738 else /* if (j < 0) */ 736 else /* if (j < 0) */
739 { 737 {
740 /* B: scroll down */ 738 /* scroll down */
741 739
742 /* B1: Copy lines that will get clobbered by the rotation */ 740 /* Copy lines that will get clobbered by the rotation */
743 for (i = 0, j = row2; i < count; i++, j--) 741 for (i = 0, j = row2; i < count; i++, j--)
744 { 742 {
745 buf_text[i] = screen.text[j]; 743 buf_text[i] = screen.text[j];
746 buf_rend[i] = screen.rend[j]; 744 buf_rend[i] = screen.rend[j];
747 } 745 }
748 746
749 /* B2: Rotate lines */ 747 /* Rotate lines */
750 for (j = row2, i = j - count; i >= row1; i--, j--) 748 for (j = row2, i = j - count; i >= row1; i--, j--)
751 { 749 {
752 screen.tlen[j] = screen.tlen[i]; 750 screen.tlen[j] = screen.tlen[i];
753 screen.text[j] = screen.text[i]; 751 screen.text[j] = screen.text[i];
754 screen.rend[j] = screen.rend[i]; 752 screen.rend[j] = screen.rend[i];
756 754
757 j = row1, i = count; 755 j = row1, i = count;
758 count = -count; 756 count = -count;
759 } 757 }
760 758
761 /* C: Resurrect lines */ 759 /* Resurrect lines */
762 memset (screen.tlen + j, 0, i * sizeof (int16_t)); 760 memset (screen.tlen + j, 0, i * sizeof (int16_t));
763 memcpy (screen.text + j, buf_text, i * sizeof (text_t *)); 761 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
764 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *)); 762 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
765 if (!spec) /* line length may not equal TermWin.ncol */ 763 if (!spec) /* line length may not equal TermWin.ncol */
766 for (; i--; j++) 764 for (; i--; j++)
774 * Add text given in <str> of length <len> to screen struct 772 * Add text given in <str> of length <len> to screen struct
775 */ 773 */
776void 774void
777rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 775rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)
778{ 776{
777 if (len <= 0) /* sanity */
778 return;
779
779 unsigned char checksel; 780 unsigned char checksel;
780 unicode_t c; 781 unicode_t c;
781 int i, row, last_col; 782 int row, last_col;
782 text_t *stp; 783 text_t *stp;
783 rend_t *srp; 784 rend_t *srp;
784 785 const unicode_t *strend = str + len;
785 if (len <= 0) /* sanity */
786 return;
787 786
788 want_refresh = 1; 787 want_refresh = 1;
789 ZERO_SCROLLBACK (); 788 ZERO_SCROLLBACK ();
790 last_col = TermWin.ncol; 789 last_col = TermWin.ncol;
791 790
816 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 815 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
817 816
818 stp = screen.text[row]; 817 stp = screen.text[row];
819 srp = screen.rend[row]; 818 srp = screen.rend[row];
820 819
821 while (len--) 820 while (str < strend)
822 { 821 {
823 c = *str++; 822 c = *str++;
824 823
825 if (c < 0x20) 824 if (c < 0x20)
826 switch (c) 825 if (c == C0_LF)
826 {
827 if (screen.tlen[row] != -1) /* XXX: think about this */
828 MAX_IT (screen.tlen[row], screen.cur.col);
829
830 screen.flags &= ~Screen_WrapNext;
831
832 if (screen.cur.row == screen.bscroll)
833 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
834 else if (screen.cur.row < (TermWin.nrow - 1))
835 row = (++screen.cur.row) + TermWin.saveLines;
836
837 stp = screen.text[row]; /* _must_ refresh */
838 srp = screen.rend[row]; /* _must_ refresh */
839 continue;
840 }
841 else if (c == C0_CR)
827 { 842 {
828 case C0_HT:
829 scr_tab (1, true);
830 continue;
831
832 case C0_LF:
833 if (screen.tlen[row] != -1) /* XXX: think about this */ 843 if (screen.tlen[row] != -1) /* XXX: think about this */
834 MAX_IT (screen.tlen[row], screen.cur.col); 844 MAX_IT (screen.tlen[row], screen.cur.col);
835 845
836 screen.flags &= ~Screen_WrapNext; 846 screen.flags &= ~Screen_WrapNext;
837
838 if (screen.cur.row == screen.bscroll)
839 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
840 else if (screen.cur.row < (TermWin.nrow - 1))
841 row = (++screen.cur.row) + TermWin.saveLines;
842
843 stp = screen.text[row]; /* _must_ refresh */
844 srp = screen.rend[row]; /* _must_ refresh */
845 continue;
846
847 case C0_CR:
848 if (screen.tlen[row] != -1) /* XXX: think about this */
849 MAX_IT (screen.tlen[row], screen.cur.col);
850
851 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 847 screen.cur.col = 0;
853 continue; 848 continue;
849 }
850 else if (c == C0_HT)
851 {
852 scr_tab (1, true);
853 continue;
854 } 854 }
855 855
856 if (checksel /* see if we're writing within selection */ 856 if (checksel /* see if we're writing within selection */
857 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 857 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
858 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 858 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
868 868
869 if (screen.flags & Screen_WrapNext) 869 if (screen.flags & Screen_WrapNext)
870 { 870 {
871 screen.tlen[row] = -1; 871 screen.tlen[row] = -1;
872 872
873 scr_do_wrap ();
874
873 scr_do_wrap (); row = screen.cur.row + TermWin.saveLines; 875 row = screen.cur.row + TermWin.saveLines;
874
875 stp = screen.text[row]; /* _must_ refresh */ 876 stp = screen.text[row]; /* _must_ refresh */
876 srp = screen.rend[row]; /* _must_ refresh */ 877 srp = screen.rend[row]; /* _must_ refresh */
877 } 878 }
878 879
880 // some utf-8 decoders "decode" surrogate characters: let's fix this.
881 if (IN_RANGE (c, 0xd800, 0xdfff))
882 c = 0xfffd;
883
879 // rely on wcwidth to tell us the character width, at least for non-latin1 884 // rely on wcwidth to tell us the character width, at least for non-latin1
880 // do wcwidth before further replacements, as wcwidth says that line-drawing 885 // do wcwidth before further replacements, as wcwidth might return -1
881 // characters have width -1 (DOH!) on GNU/Linux sometimes. 886 // for the line drawing characters below as they might be invalid in the current
887 // locale.
882 int width = c < 0x100 ? 1 : wcwidth (c); 888 int width = c < 0x100 ? 1 : wcwidth (c);
883 889
884 if (charsets[screen.charset] == '0') // DEC SPECIAL 890 if (charsets[screen.charset] == '0') // DEC SPECIAL
885 { 891 {
886 // vt100 special graphics and line drawing 892 // vt100 special graphics and line drawing
887 // 5f-7e standard vt100 893 // 5f-7e standard vt100
888 // 40-5e rxvt extension for extra curses acs chars 894 // 40-5e rxvt extension for extra curses acs chars
889 static uint16_t vt100_0[63] = { // 40 .. 7e 895 static uint16_t vt100_0[62] = { // 41 .. 7e
890 0x0000, 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 40-47 hi mr. snowman! 896 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
891 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 48-4f 897 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
892 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 50-57 898 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
893 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, // 58-5f 899 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
894 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67 900 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
895 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f 901 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
896 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77 902 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
897 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e 903 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
898 }; 904 };
899 905
900 if (c >= 0x40 && c <= 0x7e && vt100_0[c - 0x40]) 906 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
901 { 907 {
902 c = vt100_0[c - 0x40]; 908 c = vt100_0[c - 0x41];
903 width = 1; 909 width = 1; // vt100 line drawing characters are always single-width
904 } 910 }
905 } 911 }
906 912
907 if (screen.flags & Screen_Insert) 913 if (screen.flags & Screen_Insert)
908 scr_insdel_chars (width, INSERT); 914 scr_insdel_chars (width, INSERT);
909 915
910 if (width != 0) 916 if (width != 0)
911 { 917 {
912 // some utf-8 decoders decode surrogate characters.
913 if (0xd800 <= c && c <= 0xdfff)
914 c = 0xfffd;
915
916#if !UNICODE_3 918#if !UNICODE_3
917 // trim characters we can't store directly :( 919 // trim characters we can't store directly :(
918 if (c >= 0x10000) 920 if (c >= 0x10000)
919# if ENABLE_COMBINING 921# if ENABLE_COMBINING
920 c = rxvt_composite.compose (c); // map to lower 16 bits 922 c = rxvt_composite.compose (c); // map to lower 16 bits
943 col++; 945 col++;
944 } while (col < TermWin.ncol && stp[col] == NOCHAR); 946 } while (col < TermWin.ncol && stp[col] == NOCHAR);
945 } 947 }
946 948
947 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 949 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
950
951 // if the character doesn't fit into the remaining columns...
952 if (screen.cur.col > last_col - width && last_col >= width)
953 {
954 // ...output spaces
955 c = ' ';
956 // and try the same character next loop iteration
957 --str;
958 }
948 959
949 do 960 do
950 { 961 {
951 stp[screen.cur.col] = c; 962 stp[screen.cur.col] = c;
952 srp[screen.cur.col] = rend; 963 srp[screen.cur.col] = rend;
971 { 982 {
972 stp[c] = ' '; 983 stp[c] = ' ';
973 srp[c] = rend; 984 srp[c] = rend;
974 } 985 }
975 } 986 }
976 else if (width == 0) 987 else // width == 0
977 { 988 {
978#if ENABLE_COMBINING 989#if ENABLE_COMBINING
979 // handle combining characters 990 // handle combining characters
980 // we just tag the accent on the previous on-screen character. 991 // we just tag the accent on the previous on-screen character.
981 // this is arguably not correct, but also arguably not wrong. 992 // this is arguably not correct, but also arguably not wrong.
982 // we don't handle double-width characters nicely yet. 993 // we don't handle double-width characters nicely yet.
983
984 text_t *tp; 994 text_t *tp;
985 rend_t *rp; 995 rend_t *rp;
986 996
987 if (screen.cur.col > 0) 997 if (screen.cur.col > 0)
988 { 998 {
1162 */ 1172 */
1163#if ENABLE_FRILLS 1173#if ENABLE_FRILLS
1164void 1174void
1165rxvt_term::scr_forwardindex () 1175rxvt_term::scr_forwardindex ()
1166{ 1176{
1167 int row; 1177 int row;
1168 1178
1169 if (screen.cur.col < TermWin.ncol - 1) 1179 if (screen.cur.col < TermWin.ncol - 1)
1170 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1180 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1171 else 1181 else
1172 { 1182 {
1391 screen.tlen[row + row_offset] = 0; 1401 screen.tlen[row + row_offset] = 0;
1392 scr_blank_line (drawn_text[row], drawn_rend[row], (unsigned int)TermWin.ncol, ren); 1402 scr_blank_line (drawn_text[row], drawn_rend[row], (unsigned int)TermWin.ncol, ren);
1393 } 1403 }
1394} 1404}
1395 1405
1406#if ENABLE_FRILLS
1407void
1408rxvt_term::scr_erase_savelines ()
1409{
1410 want_refresh = 1;
1411 ZERO_SCROLLBACK ();
1412
1413 TermWin.nscrolled = 0;
1414}
1415#endif
1416
1396/* ------------------------------------------------------------------------- */ 1417/* ------------------------------------------------------------------------- */
1397/* 1418/*
1398 * Fill the screen with `E's 1419 * Fill the screen with `E's
1399 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1420 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1400 */ 1421 */
1401void 1422void
1402rxvt_term::scr_E () 1423rxvt_term::scr_E ()
1403{ 1424{
1404 int i, j, k; 1425 int i, j, k;
1405 rend_t *r1, fs; 1426 rend_t *r1, fs;
1406 1427
1407 want_refresh = 1; 1428 want_refresh = 1;
1408 ZERO_SCROLLBACK (); 1429 ZERO_SCROLLBACK ();
1409 1430
1410 num_scr_allow = 0; 1431 num_scr_allow = 0;
1893rxvt_term::scr_page (enum page_dirn direction, int nlines) 1914rxvt_term::scr_page (enum page_dirn direction, int nlines)
1894{ 1915{
1895 int n; 1916 int n;
1896 unsigned int oldviewstart; 1917 unsigned int oldviewstart;
1897 1918
1898#ifdef DEBUG_STRICT
1899 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1900#endif
1901 oldviewstart = TermWin.view_start; 1919 oldviewstart = TermWin.view_start;
1920
1902 if (direction == UP) 1921 if (direction == UP)
1903 { 1922 {
1904 n = TermWin.view_start + nlines; 1923 n = TermWin.view_start + nlines;
1905 TermWin.view_start = min (n, TermWin.nscrolled); 1924 TermWin.view_start = min (n, TermWin.nscrolled);
1906 } 1925 }
1907 else 1926 else
1908 { 1927 {
1909 n = TermWin.view_start - nlines; 1928 n = TermWin.view_start - nlines;
1910 TermWin.view_start = max (n, 0); 1929 TermWin.view_start = max (n, 0);
1911 } 1930 }
1931
1912 return scr_changeview (oldviewstart); 1932 return scr_changeview (oldviewstart);
1913} 1933}
1914 1934
1915int 1935int
1916rxvt_term::scr_changeview (unsigned int oldviewstart) 1936rxvt_term::scr_changeview (unsigned int oldviewstart)
1927/* ------------------------------------------------------------------------- */ 1947/* ------------------------------------------------------------------------- */
1928void 1948void
1929rxvt_term::scr_bell () 1949rxvt_term::scr_bell ()
1930{ 1950{
1931#ifndef NO_BELL 1951#ifndef NO_BELL
1952
1932# ifndef NO_MAPALERT 1953# ifndef NO_MAPALERT
1933# ifdef MAPALERT_OPTION 1954# ifdef MAPALERT_OPTION
1934 if (options & Opt_mapAlert) 1955 if (options & Opt_mapAlert)
1935# endif 1956# endif
1936 XMapWindow (display->display, TermWin.parent[0]); 1957 XMapWindow (display->display, TermWin.parent[0]);
1937# endif 1958# endif
1959
1938 if (options & Opt_visualBell) 1960 if (options & Opt_visualBell)
1939 { 1961 {
1940 scr_rvideo_mode (!rvideo); /* refresh also done */ 1962 scr_rvideo_mode (!rvideo); /* refresh also done */
1963 rxvt_usleep (VISUAL_BELL_DURATION);
1941 scr_rvideo_mode (!rvideo); /* refresh also done */ 1964 scr_rvideo_mode (!rvideo); /* refresh also done */
1942 } 1965 }
1943 else 1966 else
1944 XBell (display->display, 0); 1967 XBell (display->display, 0);
1968
1945#endif 1969#endif
1946} 1970}
1947 1971
1948/* ------------------------------------------------------------------------- */ 1972/* ------------------------------------------------------------------------- */
1949/* ARGSUSED */ 1973/* ARGSUSED */
2004/* 2028/*
2005 * Refresh the screen 2029 * Refresh the screen
2006 * drawn_text/drawn_rend contain the screen information before the update. 2030 * drawn_text/drawn_rend contain the screen information before the update.
2007 * screen.text/screen.rend contain what the screen will change to. 2031 * screen.text/screen.rend contain what the screen will change to.
2008 */ 2032 */
2009
2010#define FONT_WIDTH(X, Y) \
2011 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
2012#define FONT_RBEAR(X, Y) \
2013 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
2014#define FONT_LBEAR(X, Y) \
2015 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
2016#define IS_FONT_CHAR(X, Y) \
2017 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
2018
2019void 2033void
2020rxvt_term::scr_refresh (unsigned char refresh_type) 2034rxvt_term::scr_refresh (unsigned char refresh_type)
2021{ 2035{
2022 unsigned char must_clear, /* use draw_string not draw_image_string */ 2036 unsigned char must_clear, /* use draw_string not draw_image_string */
2023 showcursor; /* show the cursor */ 2037 showcursor; /* show the cursor */
2042 refresh_count = 0; 2056 refresh_count = 0;
2043 2057
2044 row_offset = TermWin.saveLines - TermWin.view_start; 2058 row_offset = TermWin.saveLines - TermWin.view_start;
2045 2059
2046#if XPM_BACKGROUND 2060#if XPM_BACKGROUND
2047 must_clear |= (bgPixmap.pixmap != None); 2061 must_clear |= bgPixmap.pixmap != None;
2048#endif 2062#endif
2049#if TRANSPARENT 2063#if TRANSPARENT
2050 must_clear |= ((options & Opt_transparent) && am_transparent); 2064 must_clear |= (options & Opt_transparent) && am_transparent;
2051#endif 2065#endif
2052 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2066 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2053 2067
2054 /* 2068 /*
2055 * B: reverse any characters which are selected 2069 * B: reverse any characters which are selected
2079 2093
2080 crp = &screen.rend[screen.cur.row + TermWin.saveLines][col]; 2094 crp = &screen.rend[screen.cur.row + TermWin.saveLines][col];
2081 2095
2082 if (showcursor && TermWin.focus) 2096 if (showcursor && TermWin.focus)
2083 { 2097 {
2098 if (options & Opt_cursorUnderline)
2099 *crp ^= RS_Uline;
2100 else
2101 {
2084 *crp ^= RS_RVid; 2102 *crp ^= RS_RVid;
2103
2085#ifndef NO_CURSORCOLOR 2104#ifndef NO_CURSORCOLOR
2086 cc1 = *crp & (RS_fgMask | RS_bgMask); 2105 cc1 = *crp & (RS_fgMask | RS_bgMask);
2087 if (ISSET_PIXCOLOR (Color_cursor)) 2106 if (ISSET_PIXCOLOR (Color_cursor))
2088 ccol1 = Color_cursor; 2107 ccol1 = Color_cursor;
2089 else 2108 else
2090#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2109#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2091 ccol1 = GET_FGCOLOR (rstyle); 2110 ccol1 = GET_FGCOLOR (rstyle);
2092#else 2111#else
2093 ccol1 = Color_fg; 2112 ccol1 = Color_fg;
2094#endif 2113#endif
2095 if (ISSET_PIXCOLOR (Color_cursor2)) 2114 if (ISSET_PIXCOLOR (Color_cursor2))
2096 ccol2 = Color_cursor2; 2115 ccol2 = Color_cursor2;
2097 else 2116 else
2098#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2099 ccol2 = GET_BGCOLOR (rstyle); 2118 ccol2 = GET_BGCOLOR (rstyle);
2100#else 2119#else
2101 ccol2 = Color_bg; 2120 ccol2 = Color_bg;
2102#endif 2121#endif
2103 *crp = SET_FGCOLOR (*crp, ccol1); 2122 *crp = SET_FGCOLOR (*crp, ccol1);
2104 *crp = SET_BGCOLOR (*crp, ccol2); 2123 *crp = SET_BGCOLOR (*crp, ccol2);
2105#endif 2124#endif
2125 }
2106 } 2126 }
2107 } 2127 }
2108 2128
2109 /* make sure no outline cursor is left around */ 2129 /* make sure no outline cursor is left around */
2110 setoldcursor = 0; 2130 setoldcursor = 0;
2140 2160
2141#if ENABLE_OVERLAY 2161#if ENABLE_OVERLAY
2142 scr_swap_overlay (); 2162 scr_swap_overlay ();
2143#endif 2163#endif
2144 2164
2145 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
2146 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
2147
2148#ifndef NO_SLOW_LINK_SUPPORT 2165#ifndef NO_SLOW_LINK_SUPPORT
2149 /* 2166 /*
2150 * D: CopyArea pass - very useful for slower links 2167 * D: CopyArea pass - very useful for slower links
2151 * This has been deliberately kept simple. 2168 * This has been deliberately kept simple.
2152 */ 2169 */
2287 2304
2288 // sometimes we optimize away the trailing NOCHAR's, add them back 2305 // sometimes we optimize away the trailing NOCHAR's, add them back
2289 while (i && text[count] == NOCHAR) 2306 while (i && text[count] == NOCHAR)
2290 count++, i--; 2307 count++, i--;
2291 2308
2292#if ENABLE_STYLES
2293 // force redraw after "careful" characters to avoid pixel droppings
2294 if (srp[col] & RS_Careful && col < TermWin.ncol - 1 && 0)
2295 drp[col + 1] = ~srp[col + 1];
2296
2297 // include previous careful character(s) if possible, looks nicer (best effort...)
2298 while (text > stp
2299 && srp[text - stp - 1] & RS_Careful
2300 && RS_SAME (rend, srp[text - stp - 1]))
2301 text--, count++, xpixel -= TermWin.fwidth;
2302#endif
2303
2304 /* 2309 /*
2305 * Determine the attributes for the string 2310 * Determine the attributes for the string
2306 */ 2311 */
2307 int fore = GET_FGCOLOR (rend); // desired foreground 2312 int fore = GET_FGCOLOR (rend); // desired foreground
2308 int back = GET_BGCOLOR (rend); // desired background 2313 int back = GET_BGCOLOR (rend); // desired background
2309 2314
2310 // only do special processing if ana attributes are set, which is rare 2315 // only do special processing if any attributes are set, which is rare
2311 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink)) 2316 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2312 { 2317 {
2318#if ENABLE_STYLES
2319 // force redraw after "careful" characters to avoid pixel droppings
2320 if (srp[col] & RS_Careful && col < TermWin.ncol - 1 && 0)
2321 drp[col + 1] = ~srp[col + 1];
2322
2323 // include previous careful character(s) if possible, looks nicer (best effort...)
2324 while (text > stp
2325 && srp[text - stp - 1] & RS_Careful
2326 && RS_SAME (rend, srp[text - stp - 1]))
2327 text--, count++, xpixel -= TermWin.fwidth;
2328#endif
2329
2313 bool invert = rend & RS_RVid; 2330 bool invert = rend & RS_RVid;
2314 2331
2315#ifndef NO_BOLD_UNDERLINE_REVERSE 2332#ifndef NO_BOLD_UNDERLINE_REVERSE
2316 if (rend & RS_Bold 2333 if (rend & RS_Bold
2317 && fore == Color_fg) 2334 && fore == Color_fg)
2344 SWAP_IT (fore, back, int); 2361 SWAP_IT (fore, back, int);
2345 2362
2346#ifndef NO_BOLD_UNDERLINE_REVERSE 2363#ifndef NO_BOLD_UNDERLINE_REVERSE
2347 if (ISSET_PIXCOLOR (Color_RV)) 2364 if (ISSET_PIXCOLOR (Color_RV))
2348 back = Color_RV; 2365 back = Color_RV;
2366
2367 if (fore == back)
2368 {
2369 fore = Color_bg;
2370 back = Color_fg;
2371 }
2349#endif 2372#endif
2350 } 2373 }
2351 2374
2352#ifdef TEXT_BLINK 2375#ifdef TEXT_BLINK
2353 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) 2376 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2416 */ 2439 */
2417 if (showcursor) 2440 if (showcursor)
2418 { 2441 {
2419 if (TermWin.focus) 2442 if (TermWin.focus)
2420 { 2443 {
2444 if (options & Opt_cursorUnderline)
2445 *crp ^= RS_Uline;
2446 else
2447 {
2421 *crp ^= RS_RVid; 2448 *crp ^= RS_RVid;
2422#ifndef NO_CURSORCOLOR 2449#ifndef NO_CURSORCOLOR
2423 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2450 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2424#endif 2451#endif
2452 }
2425 } 2453 }
2426 else if (oldcursor.row >= 0) 2454 else if (oldcursor.row >= 0)
2427 { 2455 {
2456 int cursorwidth = 1;
2457 int col = oldcursor.col;
2458
2459 while (col && screen.text[screen.cur.row + TermWin.saveLines][col] == NOCHAR)
2460 col--;
2461
2462 while (col + cursorwidth < TermWin.ncol
2463 && drawn_text[oldcursor.row][col + cursorwidth] == NOCHAR)
2464 cursorwidth++;
2465
2428#ifndef NO_CURSORCOLOR 2466#ifndef NO_CURSORCOLOR
2429 if (ISSET_PIXCOLOR (Color_cursor)) 2467 if (ISSET_PIXCOLOR (Color_cursor))
2430 XSetForeground (display->display, TermWin.gc, pix_colors[Color_cursor]); 2468 XSetForeground (display->display, TermWin.gc, pix_colors[Color_cursor]);
2431#endif 2469#endif
2432 int cursorwidth = 1;
2433 while (oldcursor.col + cursorwidth < TermWin.ncol
2434 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2435 cursorwidth++;
2436 2470
2437 XDrawRectangle (display->display, drawBuffer, TermWin.gc, 2471 XDrawRectangle (display->display, drawBuffer, TermWin.gc,
2438 Col2Pixel (oldcursor.col), 2472 Col2Pixel (col),
2439 Row2Pixel (oldcursor.row), 2473 Row2Pixel (oldcursor.row),
2440 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2474 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2441 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1)); 2475 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1));
2442 } 2476 }
2443 } 2477 }
2514 if (!TermWin.mapped) 2548 if (!TermWin.mapped)
2515 return; 2549 return;
2516 2550
2517 num_scr_allow = 0; 2551 num_scr_allow = 0;
2518 want_refresh = 1; 2552 want_refresh = 1;
2519
2520#if TRANSPARENT
2521 if ((options & Opt_transparent) && (am_pixmap_trans == 0))
2522 {
2523 int i;
2524
2525 if (!(options & Opt_transparent_all))
2526 i = 0;
2527 else
2528 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2529
2530 while (i--)
2531 if (TermWin.parent[i] != None)
2532 XClearWindow (display->display, TermWin.parent[i]);
2533 }
2534#endif
2535 2553
2536 if (really) 2554 if (really)
2537 XClearWindow (display->display, TermWin.vt); 2555 XClearWindow (display->display, TermWin.vt);
2538} 2556}
2539 2557
2902 2920
2903int 2921int
2904rxvt_term::selection_request_other (Atom target, int selnum) 2922rxvt_term::selection_request_other (Atom target, int selnum)
2905{ 2923{
2906 Atom sel; 2924 Atom sel;
2907#ifdef DEBUG_SELECT
2908 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2909#endif
2910 2925
2911 selection_type |= selnum; 2926 selection_type |= selnum;
2912 2927
2913 if (selnum == Sel_Primary) 2928 if (selnum == Sel_Primary)
2914 sel = XA_PRIMARY; 2929 sel = XA_PRIMARY;
3789 while (*s) 3804 while (*s)
3790 scr_overlay_set (x++, y, *s++); 3805 scr_overlay_set (x++, y, *s++);
3791} 3806}
3792 3807
3793void 3808void
3809rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s)
3810{
3811 while (*s)
3812 {
3813 text_t t = *s++;
3814 int width = wcwidth (t);
3815
3816 while (width--)
3817 {
3818 scr_overlay_set (x++, y, t);
3819 t = NOCHAR;
3820 }
3821 }
3822}
3823
3824void
3794rxvt_term::scr_swap_overlay () 3825rxvt_term::scr_swap_overlay ()
3795{ 3826{
3796 if (!ov_text) 3827 if (!ov_text)
3797 return; 3828 return;
3798 3829

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines