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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.302 by sasha, Wed Feb 6 16:44:47 2008 UTC vs.
Revision 1.317 by root, Tue Nov 4 15:09:51 2008 UTC

… …
83 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
84#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 84#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
85 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 85 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
86 86
87/* 87/*
88 * CLEAR_ROWS : clear <num> rows starting from row <row>
89 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 88 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
90 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
91 */ 89 */
92#define CLEAR_ROWS(row, num) \
93 if (mapped) \
94 XClearArea (dpy, vt, 0, \
95 Row2Pixel (row), (unsigned int)width, \
96 (unsigned int)Height2Pixel (num), False)
97
98#define CLEAR_CHARS(x, y, num) \ 90#define CLEAR_CHARS(x, y, num) \
99 if (mapped) \ 91 if (mapped) \
100 XClearArea (dpy, vt, x, y, \ 92 XClearArea (dpy, vt, x, y, \
101 (unsigned int)Width2Pixel (num), \ 93 (unsigned int)Width2Pixel (num), \
102 (unsigned int)Height2Pixel (1), False) 94 (unsigned int)Height2Pixel (1), False)
103 95
104#define ERASE_ROWS(row, num) \
105 XFillRectangle (dpy, vt, gc, \
106 0, Row2Pixel (row), \
107 (unsigned int)width, \
108 (unsigned int)Height2Pixel (num))
109
110/* ------------------------------------------------------------------------- * 96/* ------------------------------------------------------------------------- *
111 * SCREEN `COMMON' ROUTINES * 97 * SCREEN `COMMON' ROUTINES *
112 * ------------------------------------------------------------------------- */ 98 * ------------------------------------------------------------------------- */
113 99
114/* Fill part/all of a line with blanks. */ 100/* Fill part/all of a line with blanks. */
… …
144{ 130{
145 scr_blank_line (l, 0, ncol, efs); 131 scr_blank_line (l, 0, ncol, efs);
146 132
147 l.l = 0; 133 l.l = 0;
148 l.f = 0; 134 l.f = 0;
135}
136
137// nuke a single wide character at the given column
138void
139rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
140{
141 // find begin
142 while (col > 0 && l.t[col] == NOCHAR)
143 col--;
144
145 rend_t rend = l.r[col] & ~RS_baseattrMask;
146 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
149} 154}
150 155
151/* ------------------------------------------------------------------------- * 156/* ------------------------------------------------------------------------- *
152 * SCREEN INITIALISATION * 157 * SCREEN INITIALISATION *
153 * ------------------------------------------------------------------------- */ 158 * ------------------------------------------------------------------------- */
… …
785 790
786 while (str < strend) 791 while (str < strend)
787 { 792 {
788 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 793 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
789 794
790 if (c < 0x20) 795 if (expect_false (c < 0x20))
791 if (c == C0_LF) 796 if (c == C0_LF)
792 { 797 {
793 max_it (line->l, screen.cur.col); 798 max_it (line->l, screen.cur.col);
794 799
795 screen.flags &= ~Screen_WrapNext; 800 screen.flags &= ~Screen_WrapNext;
… …
814 { 819 {
815 scr_tab (1, true); 820 scr_tab (1, true);
816 continue; 821 continue;
817 } 822 }
818 823
824 if (expect_false (
819 if (checksel /* see if we're writing within selection */ 825 checksel /* see if we're writing within selection */
820 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 826 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
821 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 827 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
828 ))
822 { 829 {
823 checksel = 0; 830 checksel = 0;
824 /* 831 /*
825 * If we wrote anywhere in the selected area, kill the selection 832 * If we wrote anywhere in the selected area, kill the selection
826 * XXX: should we kill the mark too? Possibly, but maybe that 833 * XXX: should we kill the mark too? Possibly, but maybe that
827 * should be a similar check. 834 * should be a similar check.
828 */ 835 */
829 CLEAR_SELECTION (); 836 CLEAR_SELECTION ();
830 } 837 }
831 838
832 if (screen.flags & Screen_WrapNext) 839 if (expect_false (screen.flags & Screen_WrapNext))
833 { 840 {
834 scr_do_wrap (); 841 scr_do_wrap ();
835 842
836 line->l = ncol; 843 line->l = ncol;
837 line->is_longer (1); 844 line->is_longer (1);
… …
839 row = screen.cur.row; 846 row = screen.cur.row;
840 line = &ROW(row); /* _must_ refresh */ 847 line = &ROW(row); /* _must_ refresh */
841 } 848 }
842 849
843 // some utf-8 decoders "decode" surrogate characters: let's fix this. 850 // some utf-8 decoders "decode" surrogate characters: let's fix this.
844 if (IN_RANGE_INC (c, 0xd800, 0xdfff)) 851 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))
845 c = 0xfffd; 852 c = 0xfffd;
846 853
847 // rely on wcwidth to tell us the character width, do wcwidth before 854 // rely on wcwidth to tell us the character width, do wcwidth before
848 // further replacements, as wcwidth might return -1 for the line 855 // further replacements, as wcwidth might return -1 for the line
849 // drawing characters below as they might be invalid in the current 856 // drawing characters below as they might be invalid in the current
850 // locale. 857 // locale.
851 int width = WCWIDTH (c); 858 int width = WCWIDTH (c);
852 859
853 if (charsets [screen.charset] == '0') // DEC SPECIAL 860 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL
854 { 861 {
855 // vt100 special graphics and line drawing 862 // vt100 special graphics and line drawing
856 // 5f-7e standard vt100 863 // 5f-7e standard vt100
857 // 40-5e rxvt extension for extra curses acs chars 864 // 40-5e rxvt extension for extra curses acs chars
858 static uint16_t vt100_0[62] = { // 41 .. 7e 865 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
871 c = vt100_0[c - 0x41]; 878 c = vt100_0[c - 0x41];
872 width = 1; // vt100 line drawing characters are always single-width 879 width = 1; // vt100 line drawing characters are always single-width
873 } 880 }
874 } 881 }
875 882
876 if (screen.flags & Screen_Insert) 883 if (expect_false (screen.flags & Screen_Insert))
877 scr_insdel_chars (width, INSERT); 884 scr_insdel_chars (width, INSERT);
878 885
879 if (width != 0) 886 if (width != 0)
880 { 887 {
881#if !UNICODE_3 888#if !UNICODE_3
… …
887 c = 0xfffd; 894 c = 0xfffd;
888# endif 895# endif
889#endif 896#endif
890 897
891 // nuke the character at this position, if required 898 // nuke the character at this position, if required
899 if (expect_false (
892 if (line->t[screen.cur.col] == NOCHAR 900 line->t[screen.cur.col] == NOCHAR
893 || (screen.cur.col < ncol - 1 901 || (screen.cur.col < ncol - 1
894 && line->t[screen.cur.col + 1] == NOCHAR)) 902 && line->t[screen.cur.col + 1] == NOCHAR)
903 ))
904 scr_kill_char (*line, screen.cur.col);
905
906 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
907
908 // if the character doesn't fit into the remaining columns...
909 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
895 { 910 {
896 int col = screen.cur.col; 911 // ... artificially enlargen the previous one
897
898 // find begin
899 while (col > 0 && line->t[col] == NOCHAR)
900 col--;
901
902 rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
903
904 // found begin, nuke
905 do {
906 line->t[col] = ' ';
907 line->r[col] = rend;
908 col++;
909 } while (col < ncol && line->t[col] == NOCHAR);
910 }
911
912 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
913
914 // if the character doesn't fit into the remaining columns...
915 if (screen.cur.col > ncol - width && ncol >= width)
916 {
917 // ...output spaces
918 c = ' '; 912 c = NOCHAR;
919 // and try the same character next loop iteration 913 // and try the same character next loop iteration
920 --str; 914 --str;
921 } 915 }
922 916
923 line->touch (); 917 line->touch ();
… …
925 do 919 do
926 { 920 {
927 line->t[screen.cur.col] = c; 921 line->t[screen.cur.col] = c;
928 line->r[screen.cur.col] = rend; 922 line->r[screen.cur.col] = rend;
929 923
930 if (screen.cur.col < ncol - 1) 924 if (expect_true (screen.cur.col < ncol - 1))
931 screen.cur.col++; 925 screen.cur.col++;
932 else 926 else
933 { 927 {
934 line->l = ncol; 928 line->l = ncol;
935 if (screen.flags & Screen_Autowrap) 929 if (screen.flags & Screen_Autowrap)
… …
937 break; 931 break;
938 } 932 }
939 933
940 c = NOCHAR; 934 c = NOCHAR;
941 } 935 }
942 while (--width > 0); 936 while (expect_false (--width > 0));
943 937
944 // pad with spaces when overwriting wide character with smaller one 938 // pad with spaces when overwriting wide character with smaller one
945 if (!width) 939 if (expect_false (!width))
946 { 940 {
947 line->touch (); 941 line->touch ();
948 942
949 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++) 943 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
950 { 944 {
951 line->t[c] = ' '; 945 line->t[c] = ' ';
952 line->r[c] = rend; 946 line->r[c] = rend;
953 } 947 }
954 } 948 }
955 } 949 }
950#if ENABLE_COMBINING
956 else // width == 0 951 else // width == 0
957 { 952 {
958#if ENABLE_COMBINING 953 if (c != 0xfeff) // ignore BOM
959 // handle combining characters
960 // we just tag the accent on the previous on-screen character.
961 // this is arguably not correct, but also arguably not wrong.
962 // we don't handle double-width characters nicely yet.
963 line_t *linep;
964 text_t *tp;
965 rend_t *rp;
966
967 if (screen.cur.col > 0)
968 { 954 {
955 // handle combining characters
956 // we just tag the accent on the previous on-screen character.
957 // this is arguably not correct, but also arguably not wrong.
958 // we don't handle double-width characters nicely yet.
959 line_t *linep;
960 text_t *tp;
961 rend_t *rp;
962
963 if (screen.cur.col > 0)
964 {
969 linep = line; 965 linep = line;
970 tp = line->t + screen.cur.col - 1; 966 tp = line->t + screen.cur.col - 1;
971 rp = line->r + screen.cur.col - 1; 967 rp = line->r + screen.cur.col - 1;
968 }
969 else if (screen.cur.row > 0
970 && ROW(screen.cur.row - 1).is_longer ())
971 {
972 linep = &ROW(screen.cur.row - 1);
973 tp = line->t + ncol - 1;
974 rp = line->r + ncol - 1;
975 }
976 else
977 continue;
978
979 linep->touch ();
980
981 while (*tp == NOCHAR && tp > linep->t)
982 tp--, rp--;
983
984 // first try to find a precomposed character
985 unicode_t n = rxvt_compose (*tp, c);
986 if (n == NOCHAR)
987 n = rxvt_composite.compose (*tp, c);
988
989 *tp = n;
990 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
972 } 991 }
973 else if (screen.cur.row > 0
974 && ROW(screen.cur.row - 1).is_longer ())
975 {
976 linep = &ROW(screen.cur.row - 1);
977 tp = line->t + ncol - 1;
978 rp = line->r + ncol - 1;
979 } 992 }
980 else
981 continue;
982
983 linep->touch ();
984
985 while (*tp == NOCHAR && tp > linep->t)
986 tp--, rp--;
987
988 // first try to find a precomposed character
989 unicode_t n = rxvt_compose (*tp, c);
990 if (n == NOCHAR)
991 n = rxvt_composite.compose (*tp, c);
992
993 *tp = n;
994 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
995#endif 993#endif
996 }
997 } 994 }
998 995
999 max_it (line->l, screen.cur.col); 996 max_it (line->l, screen.cur.col);
1000 997
1001#ifdef DEBUG_STRICT 998#ifdef DEBUG_STRICT
… …
1225/* 1222/*
1226 * Erase part or whole of a line 1223 * Erase part or whole of a line
1227 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1224 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1228 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1225 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1229 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1226 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1227 * extension: clear to right unless wrapped: ESC [ 3 K
1230 */ 1228 */
1231void 1229void
1232rxvt_term::scr_erase_line (int mode) NOTHROW 1230rxvt_term::scr_erase_line (int mode) NOTHROW
1233{ 1231{
1234 unsigned int col, num; 1232 unsigned int col, num;
… …
1243 line.touch (); 1241 line.touch ();
1244 line.is_longer (0); 1242 line.is_longer (0);
1245 1243
1246 switch (mode) 1244 switch (mode)
1247 { 1245 {
1246 case 3:
1247 if (screen.flags & Screen_WrapNext)
1248 return;
1249
1250 /* fall through */
1251
1248 case 0: /* erase to end of line */ 1252 case 0: /* erase to end of line */
1249 col = screen.cur.col; 1253 col = screen.cur.col;
1250 num = ncol - col; 1254 num = ncol - col;
1251 min_it (line.l, col); 1255 min_it (line.l, col);
1256
1252 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1257 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1253 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1258 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1254 CLEAR_SELECTION (); 1259 CLEAR_SELECTION ();
1255 break; 1260 break;
1261
1256 case 1: /* erase to beginning of line */ 1262 case 1: /* erase to beginning of line */
1257 col = 0; 1263 col = 0;
1258 num = screen.cur.col + 1; 1264 num = screen.cur.col + 1;
1265
1259 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) 1266 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1260 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) 1267 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1261 CLEAR_SELECTION (); 1268 CLEAR_SELECTION ();
1262 break; 1269 break;
1270
1263 case 2: /* erase whole line */ 1271 case 2: /* erase whole line */
1264 col = 0; 1272 col = 0;
1265 num = ncol; 1273 num = ncol;
1266 line.l = 0; 1274 line.l = 0;
1267 if (selection.beg.row <= screen.cur.row 1275 if (selection.beg.row <= screen.cur.row
… …
1325 if (row >= nrow) /* Out Of Bounds */ 1333 if (row >= nrow) /* Out Of Bounds */
1326 return; 1334 return;
1327 1335
1328 min_it (num, nrow - row); 1336 min_it (num, nrow - row);
1329 1337
1338 /*TODO: the xlceararea/xfillrectangle below don't take scroll offste into account, ask mikachu for details */
1330 if (rstyle & (RS_RVid | RS_Uline)) 1339 if (rstyle & (RS_RVid | RS_Uline))
1331 ren = (rend_t) ~RS_None; 1340 ren = (rend_t) ~RS_None;
1332 else if (GET_BASEBG (rstyle) == Color_bg) 1341 else if (GET_BASEBG (rstyle) == Color_bg)
1333 { 1342 {
1334 ren = DEFAULT_RSTYLE; 1343 ren = DEFAULT_RSTYLE;
1335 CLEAR_ROWS (row, num); 1344
1345 if (mapped)
1346 XClearArea (dpy, vt, 0,
1347 Row2Pixel (row), (unsigned int)width,
1348 (unsigned int)Height2Pixel (num), False);
1336 } 1349 }
1337 else 1350 else
1338 { 1351 {
1339 ren = rstyle & (RS_fgMask | RS_bgMask); 1352 ren = rstyle & (RS_fgMask | RS_bgMask);
1353
1340 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1354 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1341 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1355 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1342 ERASE_ROWS (row, num); 1356 XFillRectangle (dpy, vt, gc,
1357 0, Row2Pixel (row),
1358 (unsigned int)width,
1359 (unsigned int)Height2Pixel (num));
1343 gcvalue.foreground = pix_colors[Color_fg]; 1360 gcvalue.foreground = pix_colors[Color_fg];
1344 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1361 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1345 } 1362 }
1346 1363
1347 for (; num--; row++) 1364 for (; num--; row++)
… …
1429 * Insert/Delete <count> characters from the current position 1446 * Insert/Delete <count> characters from the current position
1430 */ 1447 */
1431void 1448void
1432rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1449rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1433{ 1450{
1434 int col, row;
1435 rend_t tr;
1436
1437 want_refresh = 1; 1451 want_refresh = 1;
1438 ZERO_SCROLLBACK (); 1452 ZERO_SCROLLBACK ();
1439 1453
1440 if (count <= 0) 1454 if (count <= 0)
1441 return; 1455 return;
… …
1443 scr_do_wrap (); 1457 scr_do_wrap ();
1444 1458
1445 selection_check (1); 1459 selection_check (1);
1446 min_it (count, ncol - screen.cur.col); 1460 min_it (count, ncol - screen.cur.col);
1447 1461
1448 row = screen.cur.row; 1462 int row = screen.cur.row;
1449 1463
1450 line_t *line = &ROW(row); 1464 line_t *line = &ROW(row);
1451 1465
1452 line->touch (); 1466 line->touch ();
1453 line->is_longer (0); 1467 line->is_longer (0);
1454 1468
1469 // nuke wide spanning the start
1470 if (line->t[screen.cur.col] == NOCHAR)
1471 scr_kill_char (*line, screen.cur.col);
1472
1455 switch (insdel) 1473 switch (insdel)
1456 { 1474 {
1457 case INSERT: 1475 case INSERT:
1458 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1476 line->l = min (line->l + count, ncol);
1477
1478 if (line->t[screen.cur.col] == NOCHAR)
1479 scr_kill_char (*line, screen.cur.col);
1480
1481 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1459 { 1482 {
1460 line->t[col] = line->t[col - count]; 1483 line->t[col] = line->t[col - count];
1461 line->r[col] = line->r[col - count]; 1484 line->r[col] = line->r[col - count];
1462 } 1485 }
1463
1464 line->l = min (line->l + count, ncol);
1465 1486
1466 if (selection.op && current_screen == selection.screen 1487 if (selection.op && current_screen == selection.screen
1467 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1488 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1468 { 1489 {
1469 if (selection.end.row != screen.cur.row 1490 if (selection.end.row != screen.cur.row
… …
1484 case ERASE: 1505 case ERASE:
1485 screen.cur.col += count; /* don't worry if > ncol */ 1506 screen.cur.col += count; /* don't worry if > ncol */
1486 selection_check (1); 1507 selection_check (1);
1487 screen.cur.col -= count; 1508 screen.cur.col -= count;
1488 1509
1489 line->l = max (line->l - count, 0); 1510 // nuke wide char after the end
1511 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1512 scr_kill_char (*line, screen.cur.col + count);
1513
1490 scr_blank_line (*line, screen.cur.col, count, rstyle); 1514 scr_blank_line (*line, screen.cur.col, count, rstyle);
1491 break; 1515 break;
1492 1516
1493 case DELETE: 1517 case DELETE:
1494 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1518 line->l = max (line->l - count, 0);
1495 1519
1520 // nuke wide char spanning the end
1521 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1522 scr_kill_char (*line, screen.cur.col + count);
1523
1496 for (col = screen.cur.col; (col + count) < ncol; col++) 1524 for (int col = screen.cur.col; (col + count) < ncol; col++)
1497 { 1525 {
1498 line->t[col] = line->t[col + count]; 1526 line->t[col] = line->t[col + count];
1499 line->r[col] = line->r[col + count]; 1527 line->r[col] = line->r[col + count];
1500 } 1528 }
1501 1529
1502 line->l = max (line->l - count, 0);
1503 scr_blank_line (*line, ncol - count, count, tr); 1530 scr_blank_line (*line, ncol - count, count,
1531 line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask));
1504 1532
1505 if (selection.op && current_screen == selection.screen 1533 if (selection.op && current_screen == selection.screen
1506 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1534 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1507 { 1535 {
1508 if (selection.end.row != screen.cur.row 1536 if (selection.end.row != screen.cur.row
… …
1886 XMapWindow (dpy, parent[0]); 1914 XMapWindow (dpy, parent[0]);
1887# endif 1915# endif
1888 1916
1889# if ENABLE_FRILLS 1917# if ENABLE_FRILLS
1890 if (option (Opt_urgentOnBell)) 1918 if (option (Opt_urgentOnBell))
1891 { 1919 set_urgency (1);
1892 if (XWMHints *h = XGetWMHints(dpy, parent[0]))
1893 {
1894 h->flags |= XUrgencyHint;
1895 XSetWMHints (dpy, parent[0], h);
1896 }
1897 }
1898# endif 1920# endif
1899 1921
1900 if (option (Opt_visualBell)) 1922 if (option (Opt_visualBell))
1901 { 1923 {
1902 rvideo_bell = true; 1924 rvideo_bell = true;
… …
1915void 1937void
1916rxvt_term::scr_printscreen (int fullhist) NOTHROW 1938rxvt_term::scr_printscreen (int fullhist) NOTHROW
1917{ 1939{
1918#ifdef PRINTPIPE 1940#ifdef PRINTPIPE
1919 int nrows, row_start; 1941 int nrows, row_start;
1920 FILE *fd; 1942 FILE *fd = popen_printer ();
1921 1943
1922 if ((fd = popen_printer ()) == NULL) 1944 if (!fd)
1923 return; 1945 return;
1924 1946
1925 if (fullhist) 1947 if (fullhist)
1926 { 1948 {
1927 nrows = nrow - top_row; 1949 nrows = nrow - top_row;
… …
1992 return; 2014 return;
1993 2015
1994 /* 2016 /*
1995 * A: set up vars 2017 * A: set up vars
1996 */ 2018 */
2019 refresh_count = 0;
2020
1997 have_bg = 0; 2021 have_bg = 0;
1998 refresh_count = 0;
1999
2000#ifdef HAVE_BG_PIXMAP 2022#ifdef HAVE_BG_PIXMAP
2001 have_bg |= bgPixmap.pixmap != None; 2023 have_bg = bgPixmap.pixmap != None;
2002#endif 2024#endif
2003 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2025 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2004 2026
2005 /* 2027 /*
2006 * B: reverse any characters which are selected 2028 * B: reverse any characters which are selected
… …
2197 continue; 2219 continue;
2198 2220
2199 // redraw one or more characters 2221 // redraw one or more characters
2200 2222
2201 // seek to the beginning of wide characters 2223 // seek to the beginning of wide characters
2202 while (stp[col] == NOCHAR && col > 0) 2224 while (expect_false (stp[col] == NOCHAR && col > 0))
2203 --col; 2225 --col;
2204 2226
2205 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2227 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2206 text_t *text = stp + col; 2228 text_t *text = stp + col;
2207 int count = 1; 2229 int count = 1;
… …
2244 2266
2245 col--; /* went one too far. move back */ 2267 col--; /* went one too far. move back */
2246 count -= i; /* dump any matching trailing chars */ 2268 count -= i; /* dump any matching trailing chars */
2247 2269
2248 // sometimes we optimize away the trailing NOCHAR's, add them back 2270 // sometimes we optimize away the trailing NOCHAR's, add them back
2249 while (i && text[count] == NOCHAR) 2271 while (expect_false (i && text[count] == NOCHAR))
2250 count++, i--; 2272 count++, i--;
2251 2273
2252 /* 2274 /*
2253 * Determine the attributes for the string 2275 * Determine the attributes for the string
2254 */ 2276 */
2255 int fore = fgcolor_of (rend); // desired foreground 2277 int fore = fgcolor_of (rend); // desired foreground
2256 int back = bgcolor_of (rend); // desired background 2278 int back = bgcolor_of (rend); // desired background
2257 2279
2258 // only do special processing if any attributes are set, which is unlikely 2280 // only do special processing if any attributes are set, which is unlikely
2259 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2281 if (expect_false (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)))
2260 { 2282 {
2261 bool invert = rend & RS_RVid; 2283 bool invert = rend & RS_RVid;
2262 2284
2263#ifndef NO_BOLD_UNDERLINE_REVERSE 2285#ifndef NO_BOLD_UNDERLINE_REVERSE
2264 if (rend & RS_Bold && fore == Color_fg) 2286 if (rend & RS_Bold && fore == Color_fg)
… …
2347 /* 2369 /*
2348 * Actually do the drawing of the string here 2370 * Actually do the drawing of the string here
2349 */ 2371 */
2350 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2372 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2351 2373
2352 if (have_bg && back == Color_bg) 2374 if (expect_true (have_bg && back == Color_bg))
2353 { 2375 {
2354 // this is very ugly, maybe push it into ->draw? 2376 // this is very ugly, maybe push it into ->draw?
2355 2377
2356 for (i = 0; i < count; i++) /* don't draw empty strings */ 2378 for (i = 0; i < count; i++) /* don't draw empty strings */
2357 if (text[i] != ' ') 2379 if (text[i] != ' ')
… …
2364 did_clear: ; 2386 did_clear: ;
2365 } 2387 }
2366 else 2388 else
2367 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2389 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2368 2390
2369 if (rend & RS_Uline && font->descent > 1 && fore != back) 2391 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))
2370 { 2392 {
2371#if ENABLE_FRILLS 2393#if ENABLE_FRILLS
2372 if (ISSET_PIXCOLOR (Color_underline)) 2394 if (ISSET_PIXCOLOR (Color_underline))
2373 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2395 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2374 else 2396 else
… …
2478 2500
2479 if (scrollBar.win) 2501 if (scrollBar.win)
2480 { 2502 {
2481 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2503 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2482 scrollBar.state = STATE_IDLE; 2504 scrollBar.state = STATE_IDLE;
2483 scrollbar_show (0); 2505 scrollBar.show (0);
2484 } 2506 }
2485 2507
2486#endif 2508#endif
2487 2509
2488 /* bgPixmap.apply () does not do the following : */ 2510 /* bgPixmap.apply () does not do the following : */
… …
2585{ 2607{
2586 int row, wrote; 2608 int row, wrote;
2587 unsigned int width, towrite; 2609 unsigned int width, towrite;
2588 char r1[] = "\n"; 2610 char r1[] = "\n";
2589 2611
2590 for (row = saveLines - nsaved; 2612 for (row = saveLines + top_row;
2591 row < saveLines + nrow - 1; row++) 2613 row < saveLines + nrow - 1; row++)
2592 { 2614 {
2593 width = row_buf[row].l >= 0 ? row_buf[row].l 2615 width = row_buf[row].l >= 0 ? row_buf[row].l
2594 : ncol; 2616 : ncol;
2595 for (towrite = width; towrite; towrite -= wrote) 2617 for (towrite = width; towrite; towrite -= wrote)

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