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/cvs/rxvt-unicode/src/screen.C
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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.158 by root, Sat Feb 19 19:37:34 2005 UTC vs.
Revision 1.159 by root, Mon Feb 21 19:26:07 2005 UTC

… …
202 /* 202 /*
203 * 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
204 * 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
205 */ 205 */
206 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *)); 206 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
207 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *)); 207 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
208 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *)); 208 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
209 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *)); 209 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
210 210
211 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t)); 211 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
212 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t)); 212 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
213 213
214 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *)); 214 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
215 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *)); 215 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
216 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *)); 216 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
217 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *)); 217 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
218 218
219 for (p = 0; p < nrow; p++) 219 for (p = 0; p < nrow; p++)
220 { 220 {
221 q = p + TermWin.saveLines; 221 q = p + TermWin.saveLines;
222 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE); 222 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
… …
699 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 699 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
700 } 700 }
701 else if (j >= row1 && j <= row2) 701 else if (j >= row1 && j <= row2)
702 { 702 {
703 /* move selected region too */ 703 /* move selected region too */
704 selection.beg.row -= count; 704 selection.beg.row -= count;
705 selection.end.row -= count; 705 selection.end.row -= count;
706 selection.mark.row -= count; 706 selection.mark.row -= count;
707 } 707 }
708 } 708 }
709 709
710 selection_check (0); /* _after_ TermWin.nscrolled update */ 710 selection_check (0); /* _after_ TermWin.nscrolled update */
… …
718 i = row2 - row1 + 1; 718 i = row2 - row1 + 1;
719 MIN_IT (count, i); 719 MIN_IT (count, i);
720 720
721 if (j > 0) 721 if (j > 0)
722 { 722 {
723 /* A: scroll up */ 723 /* scroll up */
724 724
725 /* A1: Copy lines that will get clobbered by the rotation */ 725 /* Copy lines that will get clobbered by the rotation */
726 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *)); 726 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
727 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *)); 727 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
728 728
729 /* A2: Rotate lines */ 729 /* Rotate lines */
730 i = row2 - row1 - count + 1; 730 i = row2 - row1 - count + 1;
731 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t)); 731 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
732 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *)); 732 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
733 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *)); 733 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
734 734
735 j = row2 - count + 1, i = count; 735 j = row2 - count + 1, i = count;
736 } 736 }
737 else /* if (j < 0) */ 737 else /* if (j < 0) */
738 { 738 {
739 /* B: scroll down */ 739 /* scroll down */
740 740
741 /* B1: Copy lines that will get clobbered by the rotation */ 741 /* Copy lines that will get clobbered by the rotation */
742 for (i = 0, j = row2; i < count; i++, j--) 742 for (i = 0, j = row2; i < count; i++, j--)
743 { 743 {
744 buf_text[i] = screen.text[j]; 744 buf_text[i] = screen.text[j];
745 buf_rend[i] = screen.rend[j]; 745 buf_rend[i] = screen.rend[j];
746 } 746 }
747 747
748 /* B2: Rotate lines */ 748 /* Rotate lines */
749 for (j = row2, i = j - count; i >= row1; i--, j--) 749 for (j = row2, i = j - count; i >= row1; i--, j--)
750 { 750 {
751 screen.tlen[j] = screen.tlen[i]; 751 screen.tlen[j] = screen.tlen[i];
752 screen.text[j] = screen.text[i]; 752 screen.text[j] = screen.text[i];
753 screen.rend[j] = screen.rend[i]; 753 screen.rend[j] = screen.rend[i];
… …
755 755
756 j = row1, i = count; 756 j = row1, i = count;
757 count = -count; 757 count = -count;
758 } 758 }
759 759
760 /* C: Resurrect lines */ 760 /* Resurrect lines */
761 memset (screen.tlen + j, 0, i * sizeof (int16_t)); 761 memset (screen.tlen + j, 0, i * sizeof (int16_t));
762 memcpy (screen.text + j, buf_text, i * sizeof (text_t *)); 762 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
763 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *)); 763 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
764 if (!spec) /* line length may not equal TermWin.ncol */ 764 if (!spec) /* line length may not equal TermWin.ncol */
765 for (; i--; j++) 765 for (; i--; j++)
… …
1390 screen.tlen[row + row_offset] = 0; 1390 screen.tlen[row + row_offset] = 0;
1391 scr_blank_line (drawn_text[row], drawn_rend[row], (unsigned int)TermWin.ncol, ren); 1391 scr_blank_line (drawn_text[row], drawn_rend[row], (unsigned int)TermWin.ncol, ren);
1392 } 1392 }
1393} 1393}
1394 1394
1395void
1396rxvt_term::scr_erase_savelines ()
1397{
1398 want_refresh = 1;
1399 ZERO_SCROLLBACK ();
1400
1401 for (int i = 0; i < TermWin.saveLines; ++i)
1402 if (screen.text [i])
1403 {
1404 screen.tlen[i] = 0;
1405 scr_blank_line (screen.text [i], screen.rend [i], (unsigned int)TermWin.ncol, DEFAULT_RSTYLE);
1406 }
1407}
1408
1395/* ------------------------------------------------------------------------- */ 1409/* ------------------------------------------------------------------------- */
1396/* 1410/*
1397 * Fill the screen with `E's 1411 * Fill the screen with `E's
1398 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1412 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1399 */ 1413 */
1400void 1414void
1401rxvt_term::scr_E () 1415rxvt_term::scr_E ()
1402{ 1416{
1403 int i, j, k; 1417 int i, j, k;
1404 rend_t *r1, fs; 1418 rend_t *r1, fs;
1405 1419
1406 want_refresh = 1; 1420 want_refresh = 1;
1407 ZERO_SCROLLBACK (); 1421 ZERO_SCROLLBACK ();
1408 1422
1409 num_scr_allow = 0; 1423 num_scr_allow = 0;

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