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/*--------------------------------*-C-*--------------------------------------* |
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* File: screen.C |
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*---------------------------------------------------------------------------* |
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* |
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* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> |
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* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*--------------------------------------------------------------------------*/ |
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|
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/* |
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* This file handles _all_ screen updates and selections |
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*/ |
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|
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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#include "rxvtperl.h" /* NECESSARY */ |
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|
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#include <X11/Xmd.h> /* get the typedef for CARD32 */ |
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|
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#include <inttypes.h> |
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|
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#include "salloc.C" // HACK, should be a seperate compile! |
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|
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inline void fill_text (text_t *start, text_t value, int len) |
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{ |
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while (len--) |
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*start++ = value; |
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} |
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|
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/* ------------------------------------------------------------------------- */ |
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#define PROP_SIZE 256*1024 |
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#define PASTE_SIZE 32768 |
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#define TABSIZE 8 /* default tab size */ |
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|
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/* ------------------------------------------------------------------------- * |
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* GENERAL SCREEN AND SELECTION UPDATE ROUTINES * |
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* ------------------------------------------------------------------------- */ |
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#define ZERO_SCROLLBACK() \ |
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if (OPTION (Opt_scrollTtyOutput)) \ |
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view_start = 0 |
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#define CLEAR_SELECTION() \ |
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selection.beg.row = selection.beg.col \ |
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= selection.end.row = selection.end.col = 0 |
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#define CLEAR_ALL_SELECTION() \ |
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selection.beg.row = selection.beg.col \ |
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= selection.mark.row = selection.mark.col \ |
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= selection.end.row = selection.end.col = 0 |
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|
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#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ |
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(((A) > (C)) || (((A) == (C)) && ((B) > (D)))) |
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#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ |
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(((A) < (C)) || (((A) == (C)) && ((B) < (D)))) |
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#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ |
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(((A) == (C)) && ((B) > (D))) |
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#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ |
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(((A) == (C)) && ((B) >= (D))) |
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#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ |
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(((A) == (C)) && ((B) < (D))) |
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#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ |
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(((A) == (C)) && ((B) <= (D))) |
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|
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/* these must be row_col_t */ |
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#define ROWCOL_IS_AFTER(X, Y) \ |
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ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
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#define ROWCOL_IS_BEFORE(X, Y) \ |
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ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
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#define ROWCOL_IN_ROW_AFTER(X, Y) \ |
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ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
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#define ROWCOL_IN_ROW_BEFORE(X, Y) \ |
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ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
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#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ |
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ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) |
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#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ |
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ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) |
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|
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/* |
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* CLEAR_ROWS : clear <num> rows starting from row <row> |
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* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> |
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* ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour |
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*/ |
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#define drawBuffer vt |
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|
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#define CLEAR_ROWS(row, num) \ |
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if (mapped) \ |
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XClearArea (display->display, drawBuffer, 0, \ |
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Row2Pixel (row), (unsigned int)width, \ |
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(unsigned int)Height2Pixel (num), False) |
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|
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#define CLEAR_CHARS(x, y, num) \ |
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if (mapped) \ |
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XClearArea (display->display, drawBuffer, x, y, \ |
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(unsigned int)Width2Pixel (num), \ |
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(unsigned int)Height2Pixel (1), False) |
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|
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#define ERASE_ROWS(row, num) \ |
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XFillRectangle (display->display, drawBuffer, gc, \ |
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0, Row2Pixel (row), \ |
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(unsigned int)width, \ |
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(unsigned int)Height2Pixel (num)) |
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|
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/* ------------------------------------------------------------------------- * |
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* SCREEN `COMMON' ROUTINES * |
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* ------------------------------------------------------------------------- */ |
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|
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/* Fill part/all of a line with blanks. */ |
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void |
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rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) |
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{ |
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if (!l.t) |
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{ |
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lalloc (l); |
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col = 0; |
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width = ncol; |
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} |
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|
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l.touch (); |
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|
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efs &= ~RS_baseattrMask; |
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efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); |
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|
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text_t *et = l.t + col; |
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rend_t *er = l.r + col; |
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|
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while (width--) |
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{ |
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*et++ = ' '; |
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*er++ = efs; |
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} |
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} |
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|
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/* ------------------------------------------------------------------------- */ |
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/* Fill a full line with blanks - make sure it is allocated first */ |
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void |
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rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) |
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{ |
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scr_blank_line (l, 0, ncol, efs); |
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|
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l.l = 0; |
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l.f = 0; |
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} |
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|
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/* ------------------------------------------------------------------------- * |
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* SCREEN INITIALISATION * |
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* ------------------------------------------------------------------------- */ |
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|
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void |
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rxvt_term::scr_reset () |
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{ |
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#if ENABLE_OVERLAY |
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scr_overlay_off (); |
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#endif |
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|
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view_start = 0; |
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num_scr = 0; |
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|
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if (ncol == 0) |
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ncol = 80; |
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|
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if (nrow == 0) |
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nrow = 24; |
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|
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if (ncol == prev_ncol && nrow == prev_nrow) |
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return; |
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|
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// we need at least two lines for wrapping to work correctly |
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if (nrow + saveLines < 2) |
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{ |
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//TODO//FIXME |
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saveLines++; |
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prev_nrow--; |
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top_row--; |
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} |
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|
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want_refresh = 1; |
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|
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int prev_total_rows = prev_nrow + saveLines; |
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total_rows = nrow + saveLines; |
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|
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screen.tscroll = 0; |
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screen.bscroll = nrow - 1; |
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|
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if (!row_buf) |
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{ |
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/* |
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* first time called so just malloc everything: don't rely on realloc |
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*/ |
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top_row = 0; /* no saved lines */ |
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term_start = 0; |
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|
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talloc = new rxvt_salloc (ncol * sizeof (text_t)); |
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ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); |
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|
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row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); |
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drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); |
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swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); |
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|
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for (int row = nrow; row--; ) |
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{ |
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scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); |
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scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); |
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scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); |
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} |
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|
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memset (charsets, 'B', sizeof (charsets)); |
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rstyle = DEFAULT_RSTYLE; |
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screen.flags = Screen_DefaultFlags; |
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screen.cur.row = screen.cur.col = 0; |
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screen.charset = 0; |
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current_screen = PRIMARY; |
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scr_cursor (SAVE); |
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|
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#if NSCREENS |
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swap.flags = Screen_DefaultFlags; |
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swap.cur.row = swap.cur.col = 0; |
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swap.charset = 0; |
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current_screen = SECONDARY; |
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scr_cursor (SAVE); |
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current_screen = PRIMARY; |
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#endif |
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|
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selection.text = NULL; |
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selection.len = 0; |
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selection.op = SELECTION_CLEAR; |
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selection.screen = PRIMARY; |
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selection.clicks = 0; |
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CLEAR_ALL_SELECTION (); |
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rvideo = 0; |
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} |
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else |
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{ |
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/* |
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* add or delete rows as appropriate |
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*/ |
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|
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rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); |
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rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); |
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|
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#if 0 |
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if (nrow < prev_nrow) |
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{ |
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for (int row = nrow; row < prev_nrow; row++) |
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{ |
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lfree (swap_buf [row]); |
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lfree (drawn_buf[row]); |
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} |
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} |
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#endif |
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|
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drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t)); |
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swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t)); |
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|
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for (int row = min (nrow, prev_nrow); row--; ) |
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{ |
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lresize (drawn_buf[row]); |
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lresize (swap_buf [row]); |
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} |
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|
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for (int row = prev_nrow; row < nrow; row++) |
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{ |
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swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); |
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drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); |
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} |
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|
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line_t *old_buf = row_buf; |
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row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); |
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|
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int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row |
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int pend = MOD (term_start + top_row , prev_total_rows); |
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int q = total_rows; // rewrapped row |
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|
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if (top_row) |
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{ |
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// re-wrap lines, this is rather ugly, possibly because I am too dumb |
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// to come up with a lean and mean algorithm. |
288 |
|
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row_col_t ocur = screen.cur; |
290 |
ocur.row = MOD (term_start + ocur.row, prev_total_rows); |
291 |
|
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do |
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{ |
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p = MOD (p - 1, prev_total_rows); |
295 |
#ifdef DEBUG_STRICT |
296 |
assert (old_buf [MOD (p, prev_total_rows)].t); |
297 |
#endif |
298 |
int plines = 1; |
299 |
int llen = old_buf [MOD (p, prev_total_rows)].l; |
300 |
|
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while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) |
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{ |
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p = MOD (p - 1, prev_total_rows); |
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|
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plines++; |
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llen += prev_ncol; |
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} |
308 |
|
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int qlines = max (0, (llen - 1) / ncol) + 1; |
310 |
|
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// drop partial lines completely |
312 |
if (q < qlines) |
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break; |
314 |
|
315 |
q -= qlines; |
316 |
|
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int lofs = 0; |
318 |
line_t *qline; |
319 |
|
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// re-assemble the full line by destination lines |
321 |
for (int qrow = q; qlines--; qrow++) |
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{ |
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qline = row_buf + qrow; |
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lalloc (*qline); |
325 |
qline->l = ncol; |
326 |
qline->is_longer (1); |
327 |
|
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int qcol = 0; |
329 |
|
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// fill a single destination line |
331 |
while (lofs < llen && qcol < ncol) |
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{ |
333 |
int prow = lofs / prev_ncol; |
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int pcol = lofs % prev_ncol; |
335 |
|
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prow = MOD (p + prow, prev_total_rows); |
337 |
|
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// we only adjust the cursor _row_ and put it into |
339 |
// the topmost line of "long line" it was in, as |
340 |
// this seems to upset applications/shells/readline |
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// least. |
342 |
if (prow == ocur.row) |
343 |
screen.cur.row = q - (total_rows - nrow); |
344 |
|
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line_t &pline = old_buf [prow]; |
346 |
|
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int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); |
348 |
|
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assert (len); |
350 |
assert (pline.t); |
351 |
|
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memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); |
353 |
memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); |
354 |
|
355 |
lofs += len; |
356 |
qcol += len; |
357 |
} |
358 |
} |
359 |
|
360 |
qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; |
361 |
qline->is_longer (0); |
362 |
scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); |
363 |
} |
364 |
while (p != pend && q > 0); |
365 |
|
366 |
term_start = total_rows - nrow; |
367 |
top_row = q - term_start; |
368 |
|
369 |
// make sure all terminal lines exist |
370 |
while (top_row > 0) |
371 |
scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE); |
372 |
} |
373 |
else |
374 |
{ |
375 |
// if no scrollback exists (yet), wing, instead of wrap |
376 |
|
377 |
for (int row = min (nrow, prev_nrow); row--; ) |
378 |
{ |
379 |
line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; |
380 |
line_t &qline = row_buf [row]; |
381 |
|
382 |
qline = pline; |
383 |
lresize (qline); |
384 |
} |
385 |
|
386 |
for (int row = prev_nrow; row < nrow; row++) |
387 |
{ |
388 |
row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); |
389 |
} |
390 |
|
391 |
term_start = 0; |
392 |
} |
393 |
|
394 |
#ifdef DEBUG_STRICT //TODO: remove |
395 |
for (int i = top_row; i < nrow; i++) |
396 |
assert (ROW (i).t); |
397 |
#endif |
398 |
|
399 |
free (old_buf); |
400 |
delete old_ta; |
401 |
delete old_ra; |
402 |
|
403 |
clamp_it (screen.cur.row, 0, nrow - 1); |
404 |
clamp_it (screen.cur.col, 0, ncol - 1); |
405 |
|
406 |
if (tabs) |
407 |
free (tabs); |
408 |
} |
409 |
|
410 |
prev_nrow = nrow; |
411 |
prev_ncol = ncol; |
412 |
|
413 |
tabs = (char *)rxvt_malloc (ncol * sizeof (char)); |
414 |
|
415 |
for (int col = ncol; col--; ) |
416 |
tabs [col] = col % TABSIZE == 0; |
417 |
|
418 |
tt_winch (); |
419 |
|
420 |
HOOK_INVOKE ((this, HOOK_RESET, DT_END)); |
421 |
} |
422 |
|
423 |
/* ------------------------------------------------------------------------- */ |
424 |
/* |
425 |
* Free everything. That way malloc debugging can find leakage. |
426 |
*/ |
427 |
void |
428 |
rxvt_term::scr_release () |
429 |
{ |
430 |
delete talloc; talloc = 0; |
431 |
delete ralloc; ralloc = 0; |
432 |
|
433 |
free (row_buf); |
434 |
free (swap_buf); |
435 |
free (drawn_buf); |
436 |
free (tabs); |
437 |
|
438 |
row_buf = 0; // signal that we freed all the arrays |
439 |
} |
440 |
|
441 |
/* ------------------------------------------------------------------------- */ |
442 |
/* |
443 |
* Hard reset |
444 |
*/ |
445 |
void |
446 |
rxvt_term::scr_poweron () |
447 |
{ |
448 |
scr_release (); |
449 |
prev_nrow = prev_ncol = 0; |
450 |
scr_reset (); |
451 |
|
452 |
scr_clear (true); |
453 |
scr_refresh (SLOW_REFRESH); |
454 |
} |
455 |
|
456 |
/* ------------------------------------------------------------------------- * |
457 |
* PROCESS SCREEN COMMANDS * |
458 |
* ------------------------------------------------------------------------- */ |
459 |
/* |
460 |
* Save and Restore cursor |
461 |
* XTERM_SEQ: Save cursor : ESC 7 |
462 |
* XTERM_SEQ: Restore cursor: ESC 8 |
463 |
*/ |
464 |
void |
465 |
rxvt_term::scr_cursor (int mode) |
466 |
{ |
467 |
screen_t *s; |
468 |
|
469 |
#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) |
470 |
if (current_screen == SECONDARY) |
471 |
s = &swap; |
472 |
else |
473 |
#endif |
474 |
s = &screen; |
475 |
|
476 |
switch (mode) |
477 |
{ |
478 |
case SAVE: |
479 |
s->s_cur.row = screen.cur.row; |
480 |
s->s_cur.col = screen.cur.col; |
481 |
s->s_rstyle = rstyle; |
482 |
s->s_charset = screen.charset; |
483 |
s->s_charset_char = charsets[screen.charset]; |
484 |
break; |
485 |
|
486 |
case RESTORE: |
487 |
want_refresh = 1; |
488 |
screen.cur.row = s->s_cur.row; |
489 |
screen.cur.col = s->s_cur.col; |
490 |
screen.flags &= ~Screen_WrapNext; |
491 |
rstyle = s->s_rstyle; |
492 |
screen.charset = s->s_charset; |
493 |
charsets[screen.charset] = s->s_charset_char; |
494 |
set_font_style (); |
495 |
break; |
496 |
} |
497 |
|
498 |
/* boundary check in case screen size changed between SAVE and RESTORE */ |
499 |
min_it (s->cur.row, nrow - 1); |
500 |
min_it (s->cur.col, ncol - 1); |
501 |
#ifdef DEBUG_STRICT |
502 |
assert (s->cur.row >= 0); |
503 |
assert (s->cur.col >= 0); |
504 |
#endif |
505 |
} |
506 |
|
507 |
/* ------------------------------------------------------------------------- */ |
508 |
/* |
509 |
* Swap between primary and secondary screens |
510 |
* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h |
511 |
* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l |
512 |
*/ |
513 |
int |
514 |
rxvt_term::scr_change_screen (int scrn) |
515 |
{ |
516 |
want_refresh = 1; |
517 |
view_start = 0; |
518 |
|
519 |
if (current_screen == scrn) |
520 |
return scrn; |
521 |
|
522 |
selection_check (2); /* check for boundary cross */ |
523 |
|
524 |
int i = current_screen; current_screen = scrn; scrn = i; |
525 |
|
526 |
::swap (screen.cur.row, swap.cur.row); |
527 |
::swap (screen.cur.col, swap.cur.col); |
528 |
|
529 |
screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1); |
530 |
screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1); |
531 |
|
532 |
#if NSCREENS |
533 |
if (OPTION (Opt_secondaryScreen)) |
534 |
{ |
535 |
num_scr = 0; |
536 |
|
537 |
for (int i = prev_nrow; i--; ) |
538 |
::swap (ROW(i), swap_buf [i]); |
539 |
|
540 |
::swap (screen.charset, swap.charset); |
541 |
::swap (screen.flags, swap.flags); |
542 |
screen.flags |= Screen_VisibleCursor; |
543 |
swap.flags |= Screen_VisibleCursor; |
544 |
} |
545 |
else |
546 |
#endif |
547 |
if (OPTION (Opt_secondaryScroll)) |
548 |
scr_scroll_text (0, prev_nrow - 1, prev_nrow); |
549 |
|
550 |
return scrn; |
551 |
} |
552 |
|
553 |
// clear WrapNext indicator, solidifying position on next line |
554 |
void |
555 |
rxvt_term::scr_do_wrap () |
556 |
{ |
557 |
if (!(screen.flags & Screen_WrapNext)) |
558 |
return; |
559 |
|
560 |
screen.flags &= ~Screen_WrapNext; |
561 |
|
562 |
screen.cur.col = 0; |
563 |
|
564 |
if (screen.cur.row == screen.bscroll) |
565 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1); |
566 |
else if (screen.cur.row < nrow - 1) |
567 |
screen.cur.row++; |
568 |
} |
569 |
|
570 |
/* ------------------------------------------------------------------------- */ |
571 |
/* |
572 |
* Change the colour for following text |
573 |
*/ |
574 |
void |
575 |
rxvt_term::scr_color (unsigned int color, int fgbg) |
576 |
{ |
577 |
if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) |
578 |
color = fgbg; |
579 |
|
580 |
if (fgbg == Color_fg) |
581 |
rstyle = SET_FGCOLOR (rstyle, color); |
582 |
else |
583 |
rstyle = SET_BGCOLOR (rstyle, color); |
584 |
} |
585 |
|
586 |
/* ------------------------------------------------------------------------- */ |
587 |
/* |
588 |
* Change the rendition style for following text |
589 |
*/ |
590 |
void |
591 |
rxvt_term::scr_rendition (int set, int style) |
592 |
{ |
593 |
if (set) |
594 |
rstyle |= style; |
595 |
else if (style == ~RS_None) |
596 |
rstyle = DEFAULT_RSTYLE; |
597 |
else |
598 |
rstyle &= ~style; |
599 |
} |
600 |
|
601 |
/* ------------------------------------------------------------------------- */ |
602 |
/* |
603 |
* Scroll text between <row1> and <row2> inclusive, by <count> lines |
604 |
* count positive ==> scroll up |
605 |
* count negative ==> scroll down |
606 |
*/ |
607 |
int |
608 |
rxvt_term::scr_scroll_text (int row1, int row2, int count) |
609 |
{ |
610 |
if (count == 0 || (row1 > row2)) |
611 |
return 0; |
612 |
|
613 |
want_refresh = 1; |
614 |
num_scr += count; |
615 |
|
616 |
if (count > 0 |
617 |
&& row1 == 0 |
618 |
&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll))) |
619 |
{ |
620 |
top_row = max (top_row - count, -saveLines); |
621 |
|
622 |
HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); |
623 |
|
624 |
// scroll everything up 'count' lines |
625 |
term_start = (term_start + count) % total_rows; |
626 |
|
627 |
{ |
628 |
// severe bottommost scrolled line |
629 |
line_t &l = ROW(row2 - count); |
630 |
l.touch (); |
631 |
l.is_longer (0); |
632 |
} |
633 |
|
634 |
// erase newly scorlled-in lines |
635 |
for (int i = count; i; --i ) |
636 |
{ |
637 |
// basically this is a slightly optimized scr_blank_screen_mem |
638 |
// it is worth the effort on slower machines |
639 |
line_t &l = ROW(nrow - i); |
640 |
|
641 |
scr_blank_line (l, 0, l.l, rstyle); |
642 |
|
643 |
l.l = 0; |
644 |
l.f = 0; |
645 |
} |
646 |
|
647 |
// now copy lines below the scroll region bottom to the |
648 |
// bottom of the screen again, so they look as if they |
649 |
// hadn't moved. |
650 |
for (int i = nrow; --i > row2; ) |
651 |
{ |
652 |
line_t &l1 = ROW(i - count); |
653 |
line_t &l2 = ROW(i); |
654 |
|
655 |
::swap (l1, l2); |
656 |
l2.touch (); |
657 |
} |
658 |
|
659 |
// move and/or clear selection, if any |
660 |
if (selection.op && current_screen == selection.screen) |
661 |
{ |
662 |
selection.beg.row -= count; |
663 |
selection.end.row -= count; |
664 |
selection.mark.row -= count; |
665 |
|
666 |
if (selection.beg.row < top_row |
667 |
|| selection.end.row < top_row |
668 |
|| selection.mark.row < top_row) |
669 |
{ |
670 |
CLEAR_ALL_SELECTION (); |
671 |
selection.op = SELECTION_CLEAR; |
672 |
} |
673 |
} |
674 |
|
675 |
// finally move the view window, if desired |
676 |
if (OPTION (Opt_scrollWithBuffer) |
677 |
&& view_start != 0 |
678 |
&& view_start != -saveLines) |
679 |
scr_page (UP, count); |
680 |
} |
681 |
else |
682 |
{ |
683 |
if (selection.op && current_screen == selection.screen) |
684 |
{ |
685 |
if ((selection.beg.row < row1 && selection.end.row > row1) |
686 |
|| (selection.beg.row < row2 && selection.end.row > row2) |
687 |
|| (selection.beg.row - count < row1 && selection.beg.row >= row1) |
688 |
|| (selection.beg.row - count > row2 && selection.beg.row <= row2) |
689 |
|| (selection.end.row - count < row1 && selection.end.row >= row1) |
690 |
|| (selection.end.row - count > row2 && selection.end.row <= row2)) |
691 |
{ |
692 |
CLEAR_ALL_SELECTION (); |
693 |
selection.op = SELECTION_CLEAR; |
694 |
} |
695 |
else if (selection.end.row >= row1 && selection.end.row <= row2) |
696 |
{ |
697 |
/* move selected region too */ |
698 |
selection.beg.row -= count; |
699 |
selection.end.row -= count; |
700 |
selection.mark.row -= count; |
701 |
|
702 |
selection_check (0); |
703 |
} |
704 |
} |
705 |
|
706 |
// use a simple and robust scrolling algorithm, this |
707 |
// part of scr_scroll_text is not time-critical. |
708 |
|
709 |
int rows = row2 - row1 + 1; |
710 |
|
711 |
min_it (count, rows); |
712 |
|
713 |
line_t *temp_buf = row_buf + total_rows; |
714 |
|
715 |
for (int row = 0; row < rows; row++) |
716 |
{ |
717 |
temp_buf [row] = ROW(row1 + (row + count + rows) % rows); |
718 |
|
719 |
if (!IN_RANGE_EXC (row + count, 0, rows)) |
720 |
scr_blank_screen_mem (temp_buf [row], rstyle); |
721 |
} |
722 |
|
723 |
for (int row = 0; row < rows; row++) |
724 |
ROW(row1 + row) = temp_buf [row]; |
725 |
} |
726 |
|
727 |
return count; |
728 |
} |
729 |
|
730 |
/* ------------------------------------------------------------------------- */ |
731 |
/* |
732 |
* Add text given in <str> of length <len> to screen struct |
733 |
*/ |
734 |
void |
735 |
rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) |
736 |
{ |
737 |
if (len <= 0) /* sanity */ |
738 |
return; |
739 |
|
740 |
unsigned char checksel; |
741 |
unicode_t c; |
742 |
int ncol = this->ncol; |
743 |
const wchar_t *strend = str + len; |
744 |
|
745 |
want_refresh = 1; |
746 |
ZERO_SCROLLBACK (); |
747 |
|
748 |
if (minlines > 0) |
749 |
{ |
750 |
minlines += screen.cur.row - screen.bscroll; |
751 |
|
752 |
if (minlines > 0 |
753 |
&& screen.tscroll == 0 |
754 |
&& screen.bscroll == nrow - 1) |
755 |
{ |
756 |
/* _at least_ this many lines need to be scrolled */ |
757 |
scr_scroll_text (screen.tscroll, screen.bscroll, minlines); |
758 |
screen.cur.row -= minlines; |
759 |
} |
760 |
} |
761 |
|
762 |
#ifdef DEBUG_STRICT |
763 |
assert (screen.cur.col < ncol); |
764 |
assert (screen.cur.row < nrow |
765 |
&& screen.cur.row >= top_row); |
766 |
#endif |
767 |
int row = screen.cur.row; |
768 |
|
769 |
checksel = selection.op && current_screen == selection.screen ? 1 : 0; |
770 |
|
771 |
line_t *line = &ROW(row); |
772 |
|
773 |
while (str < strend) |
774 |
{ |
775 |
c = (unicode_t)*str++; // convert to rxvt-unicodes representation |
776 |
|
777 |
if (c < 0x20) |
778 |
if (c == C0_LF) |
779 |
{ |
780 |
max_it (line->l, screen.cur.col); |
781 |
|
782 |
screen.flags &= ~Screen_WrapNext; |
783 |
|
784 |
if (screen.cur.row == screen.bscroll) |
785 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1); |
786 |
else if (screen.cur.row < (nrow - 1)) |
787 |
row = ++screen.cur.row; |
788 |
|
789 |
line = &ROW(row); /* _must_ refresh */ |
790 |
continue; |
791 |
} |
792 |
else if (c == C0_CR) |
793 |
{ |
794 |
max_it (line->l, screen.cur.col); |
795 |
|
796 |
screen.flags &= ~Screen_WrapNext; |
797 |
screen.cur.col = 0; |
798 |
continue; |
799 |
} |
800 |
else if (c == C0_HT) |
801 |
{ |
802 |
scr_tab (1, true); |
803 |
continue; |
804 |
} |
805 |
|
806 |
if (checksel /* see if we're writing within selection */ |
807 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
808 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end)) |
809 |
{ |
810 |
checksel = 0; |
811 |
/* |
812 |
* If we wrote anywhere in the selected area, kill the selection |
813 |
* XXX: should we kill the mark too? Possibly, but maybe that |
814 |
* should be a similar check. |
815 |
*/ |
816 |
CLEAR_SELECTION (); |
817 |
} |
818 |
|
819 |
if (screen.flags & Screen_WrapNext) |
820 |
{ |
821 |
max_it (line->l, ncol); |
822 |
line->is_longer (1); |
823 |
|
824 |
scr_do_wrap (); |
825 |
|
826 |
row = screen.cur.row; |
827 |
line = &ROW(row); /* _must_ refresh */ |
828 |
} |
829 |
|
830 |
// some utf-8 decoders "decode" surrogate characters: let's fix this. |
831 |
if (IN_RANGE_INC (c, 0xd800, 0xdfff)) |
832 |
c = 0xfffd; |
833 |
|
834 |
// rely on wcwidth to tell us the character width, at least for non-latin1 |
835 |
// do wcwidth before further replacements, as wcwidth might return -1 |
836 |
// for the line drawing characters below as they might be invalid in the current |
837 |
// locale. |
838 |
int width = c < 0x100 ? 1 : wcwidth (c); |
839 |
|
840 |
if (charsets [screen.charset] == '0') // DEC SPECIAL |
841 |
{ |
842 |
// vt100 special graphics and line drawing |
843 |
// 5f-7e standard vt100 |
844 |
// 40-5e rxvt extension for extra curses acs chars |
845 |
static uint16_t vt100_0[62] = { // 41 .. 7e |
846 |
0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman! |
847 |
0, 0, 0, 0, 0, 0, 0, 0, // 48-4f |
848 |
0, 0, 0, 0, 0, 0, 0, 0, // 50-57 |
849 |
0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f |
850 |
0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67 |
851 |
0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f |
852 |
0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77 |
853 |
0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e |
854 |
}; |
855 |
|
856 |
if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41]) |
857 |
{ |
858 |
c = vt100_0[c - 0x41]; |
859 |
width = 1; // vt100 line drawing characters are always single-width |
860 |
} |
861 |
} |
862 |
|
863 |
if (screen.flags & Screen_Insert) |
864 |
scr_insdel_chars (width, INSERT); |
865 |
|
866 |
if (width != 0) |
867 |
{ |
868 |
#if !UNICODE_3 |
869 |
// trim characters we can't store directly :( |
870 |
if (c >= 0x10000) |
871 |
# if ENABLE_COMBINING |
872 |
c = rxvt_composite.compose (c); // map to lower 16 bits |
873 |
# else |
874 |
c = 0xfffd; |
875 |
# endif |
876 |
#endif |
877 |
|
878 |
// nuke the character at this position, if required |
879 |
if (line->t[screen.cur.col] == NOCHAR |
880 |
|| (screen.cur.col < ncol - 1 |
881 |
&& line->t[screen.cur.col + 1] == NOCHAR)) |
882 |
{ |
883 |
int col = screen.cur.col; |
884 |
|
885 |
// find begin |
886 |
while (col > 0 && line->t[col] == NOCHAR) |
887 |
col--; |
888 |
|
889 |
rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' ')); |
890 |
|
891 |
// found begin, nuke |
892 |
do { |
893 |
line->t[col] = ' '; |
894 |
line->r[col] = rend; |
895 |
col++; |
896 |
} while (col < ncol && line->t[col] == NOCHAR); |
897 |
} |
898 |
|
899 |
rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); |
900 |
|
901 |
// if the character doesn't fit into the remaining columns... |
902 |
if (screen.cur.col > ncol - width && ncol >= width) |
903 |
{ |
904 |
// ...output spaces |
905 |
c = ' '; |
906 |
// and try the same character next loop iteration |
907 |
--str; |
908 |
} |
909 |
|
910 |
line->touch (); |
911 |
|
912 |
do |
913 |
{ |
914 |
line->t[screen.cur.col] = c; |
915 |
line->r[screen.cur.col] = rend; |
916 |
|
917 |
if (screen.cur.col < ncol - 1) |
918 |
screen.cur.col++; |
919 |
else |
920 |
{ |
921 |
line->l = ncol; |
922 |
if (screen.flags & Screen_Autowrap) |
923 |
screen.flags |= Screen_WrapNext; |
924 |
break; |
925 |
} |
926 |
|
927 |
c = NOCHAR; |
928 |
} |
929 |
while (--width > 0); |
930 |
|
931 |
// pad with spaces when overwriting wide character with smaller one |
932 |
if (!width) |
933 |
{ |
934 |
line->touch (); |
935 |
|
936 |
for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++) |
937 |
{ |
938 |
line->t[c] = ' '; |
939 |
line->r[c] = rend; |
940 |
} |
941 |
} |
942 |
} |
943 |
else // width == 0 |
944 |
{ |
945 |
#if ENABLE_COMBINING |
946 |
// handle combining characters |
947 |
// we just tag the accent on the previous on-screen character. |
948 |
// this is arguably not correct, but also arguably not wrong. |
949 |
// we don't handle double-width characters nicely yet. |
950 |
line_t *linep; |
951 |
text_t *tp; |
952 |
rend_t *rp; |
953 |
|
954 |
if (screen.cur.col > 0) |
955 |
{ |
956 |
linep = line; |
957 |
tp = line->t + screen.cur.col - 1; |
958 |
rp = line->r + screen.cur.col - 1; |
959 |
} |
960 |
else if (screen.cur.row > 0 |
961 |
&& ROW(screen.cur.row - 1).is_longer ()) |
962 |
{ |
963 |
linep = &ROW(screen.cur.row - 1); |
964 |
tp = line->t + ncol - 1; |
965 |
rp = line->r + ncol - 1; |
966 |
} |
967 |
else |
968 |
continue; |
969 |
|
970 |
linep->touch (); |
971 |
|
972 |
while (*tp == NOCHAR && tp > linep->t) |
973 |
tp--, rp--; |
974 |
|
975 |
// first try to find a precomposed character |
976 |
unicode_t n = rxvt_compose (*tp, c); |
977 |
if (n == NOCHAR) |
978 |
n = rxvt_composite.compose (*tp, c); |
979 |
|
980 |
*tp = n; |
981 |
*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); |
982 |
#endif |
983 |
} |
984 |
} |
985 |
|
986 |
max_it (line->l, screen.cur.col); |
987 |
|
988 |
#ifdef DEBUG_STRICT |
989 |
assert (screen.cur.row >= 0); |
990 |
#endif |
991 |
} |
992 |
|
993 |
/* ------------------------------------------------------------------------- */ |
994 |
/* |
995 |
* Process Backspace. Move back the cursor back a position, wrap if have to |
996 |
* XTERM_SEQ: CTRL-H |
997 |
*/ |
998 |
void |
999 |
rxvt_term::scr_backspace () |
1000 |
{ |
1001 |
want_refresh = 1; |
1002 |
|
1003 |
if (screen.cur.col == 0) |
1004 |
{ |
1005 |
if (screen.cur.row > 0) |
1006 |
{ |
1007 |
#ifdef TERMCAP_HAS_BW |
1008 |
screen.cur.col = ncol - 1; |
1009 |
screen.cur.row--; |
1010 |
return; |
1011 |
#endif |
1012 |
} |
1013 |
} |
1014 |
else if (!(screen.flags & Screen_WrapNext)) |
1015 |
scr_gotorc (0, -1, RELATIVE); |
1016 |
|
1017 |
screen.flags &= ~Screen_WrapNext; |
1018 |
} |
1019 |
|
1020 |
/* ------------------------------------------------------------------------- */ |
1021 |
/* |
1022 |
* Process Horizontal Tab |
1023 |
* count: +ve = forward; -ve = backwards |
1024 |
* XTERM_SEQ: CTRL-I |
1025 |
*/ |
1026 |
void |
1027 |
rxvt_term::scr_tab (int count, bool ht) |
1028 |
{ |
1029 |
int i, x; |
1030 |
|
1031 |
want_refresh = 1; |
1032 |
i = x = screen.cur.col; |
1033 |
|
1034 |
if (count == 0) |
1035 |
return; |
1036 |
else if (count > 0) |
1037 |
{ |
1038 |
line_t &l = ROW(screen.cur.row); |
1039 |
rend_t base_rend = l.r[i]; |
1040 |
ht &= l.t[i] == ' '; |
1041 |
|
1042 |
for (; ++i < ncol; ) |
1043 |
if (tabs[i]) |
1044 |
{ |
1045 |
x = i; |
1046 |
|
1047 |
if (!--count) |
1048 |
break; |
1049 |
} |
1050 |
else |
1051 |
ht &= l.t[i] == ' ' |
1052 |
&& RS_SAME (l.r[i], base_rend); |
1053 |
|
1054 |
if (count) |
1055 |
x = ncol - 1; |
1056 |
|
1057 |
// store horizontal tab commands as characters inside the text |
1058 |
// buffer so they can be selected and pasted. |
1059 |
if (ht && OPTION (Opt_pastableTabs)) |
1060 |
{ |
1061 |
base_rend = SET_FONT (base_rend, 0); |
1062 |
|
1063 |
l.touch (x); |
1064 |
|
1065 |
i = screen.cur.col; |
1066 |
|
1067 |
l.t[i] = '\t'; |
1068 |
l.r[i] = base_rend; |
1069 |
|
1070 |
while (++i < x) |
1071 |
{ |
1072 |
l.t[i] = NOCHAR; |
1073 |
l.r[i] = base_rend; |
1074 |
} |
1075 |
} |
1076 |
} |
1077 |
else /* if (count < 0) */ |
1078 |
{ |
1079 |
for (; --i >= 0; ) |
1080 |
if (tabs[i]) |
1081 |
{ |
1082 |
x = i; |
1083 |
if (!++count) |
1084 |
break; |
1085 |
} |
1086 |
|
1087 |
if (count) |
1088 |
x = 0; |
1089 |
} |
1090 |
|
1091 |
if (x != screen.cur.col) |
1092 |
scr_gotorc (0, x, R_RELATIVE); |
1093 |
} |
1094 |
|
1095 |
/* ------------------------------------------------------------------------- */ |
1096 |
/* |
1097 |
* Process DEC Back Index |
1098 |
* XTERM_SEQ: ESC 6 |
1099 |
* Move cursor left in row. If we're at the left boundary, shift everything |
1100 |
* in that row right. Clear left column. |
1101 |
*/ |
1102 |
#if ENABLE_FRILLS |
1103 |
void |
1104 |
rxvt_term::scr_backindex () |
1105 |
{ |
1106 |
if (screen.cur.col > 0) |
1107 |
scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); |
1108 |
else |
1109 |
scr_insdel_chars (1, INSERT); |
1110 |
} |
1111 |
#endif |
1112 |
/* ------------------------------------------------------------------------- */ |
1113 |
/* |
1114 |
* Process DEC Forward Index |
1115 |
* XTERM_SEQ: ESC 9 |
1116 |
* Move cursor right in row. If we're at the right boundary, shift everything |
1117 |
* in that row left. Clear right column. |
1118 |
*/ |
1119 |
#if ENABLE_FRILLS |
1120 |
void |
1121 |
rxvt_term::scr_forwardindex () |
1122 |
{ |
1123 |
if (screen.cur.col < ncol - 1) |
1124 |
scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); |
1125 |
else |
1126 |
{ |
1127 |
line_t &l = ROW(screen.cur.row); |
1128 |
|
1129 |
l.touch (); |
1130 |
l.is_longer (0); |
1131 |
|
1132 |
scr_gotorc (0, 0, R_RELATIVE); |
1133 |
scr_insdel_chars (1, DELETE); |
1134 |
scr_gotorc (0, ncol - 1, R_RELATIVE); |
1135 |
} |
1136 |
} |
1137 |
#endif |
1138 |
|
1139 |
/* ------------------------------------------------------------------------- */ |
1140 |
/* |
1141 |
* Goto Row/Column |
1142 |
*/ |
1143 |
void |
1144 |
rxvt_term::scr_gotorc (int row, int col, int relative) |
1145 |
{ |
1146 |
want_refresh = 1; |
1147 |
ZERO_SCROLLBACK (); |
1148 |
|
1149 |
screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; |
1150 |
clamp_it (screen.cur.col, 0, ncol - 1); |
1151 |
|
1152 |
screen.flags &= ~Screen_WrapNext; |
1153 |
|
1154 |
if (relative & R_RELATIVE) |
1155 |
{ |
1156 |
if (row > 0) |
1157 |
{ |
1158 |
if (screen.cur.row <= screen.bscroll |
1159 |
&& (screen.cur.row + row) > screen.bscroll) |
1160 |
screen.cur.row = screen.bscroll; |
1161 |
else |
1162 |
screen.cur.row += row; |
1163 |
} |
1164 |
else if (row < 0) |
1165 |
{ |
1166 |
if (screen.cur.row >= screen.tscroll |
1167 |
&& (screen.cur.row + row) < screen.tscroll) |
1168 |
screen.cur.row = screen.tscroll; |
1169 |
else |
1170 |
screen.cur.row += row; |
1171 |
} |
1172 |
} |
1173 |
else |
1174 |
{ |
1175 |
if (screen.flags & Screen_Relative) |
1176 |
{ /* relative origin mode */ |
1177 |
screen.cur.row = row + screen.tscroll; |
1178 |
min_it (screen.cur.row, screen.bscroll); |
1179 |
} |
1180 |
else |
1181 |
screen.cur.row = row; |
1182 |
} |
1183 |
|
1184 |
clamp_it (screen.cur.row, 0, nrow - 1); |
1185 |
} |
1186 |
|
1187 |
/* ------------------------------------------------------------------------- */ |
1188 |
/* |
1189 |
* direction should be UP or DN |
1190 |
*/ |
1191 |
void |
1192 |
rxvt_term::scr_index (enum page_dirn direction) |
1193 |
{ |
1194 |
int dirn; |
1195 |
|
1196 |
want_refresh = 1; |
1197 |
ZERO_SCROLLBACK (); |
1198 |
|
1199 |
dirn = ((direction == UP) ? 1 : -1); |
1200 |
|
1201 |
screen.flags &= ~Screen_WrapNext; |
1202 |
|
1203 |
if ((screen.cur.row == screen.bscroll && direction == UP) |
1204 |
|| (screen.cur.row == screen.tscroll && direction == DN)) |
1205 |
scr_scroll_text (screen.tscroll, screen.bscroll, dirn); |
1206 |
else |
1207 |
screen.cur.row += dirn; |
1208 |
|
1209 |
clamp_it (screen.cur.row, 0, nrow - 1); |
1210 |
selection_check (0); |
1211 |
} |
1212 |
|
1213 |
/* ------------------------------------------------------------------------- */ |
1214 |
/* |
1215 |
* Erase part or whole of a line |
1216 |
* XTERM_SEQ: Clear line to right: ESC [ 0 K |
1217 |
* XTERM_SEQ: Clear line to left : ESC [ 1 K |
1218 |
* XTERM_SEQ: Clear whole line : ESC [ 2 K |
1219 |
*/ |
1220 |
void |
1221 |
rxvt_term::scr_erase_line (int mode) |
1222 |
{ |
1223 |
unsigned int col, num; |
1224 |
|
1225 |
want_refresh = 1; |
1226 |
ZERO_SCROLLBACK (); |
1227 |
|
1228 |
selection_check (1); |
1229 |
|
1230 |
line_t &line = ROW(screen.cur.row); |
1231 |
|
1232 |
line.touch (); |
1233 |
line.is_longer (0); |
1234 |
|
1235 |
switch (mode) |
1236 |
{ |
1237 |
case 0: /* erase to end of line */ |
1238 |
col = screen.cur.col; |
1239 |
num = ncol - col; |
1240 |
min_it (line.l, col); |
1241 |
if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) |
1242 |
|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) |
1243 |
CLEAR_SELECTION (); |
1244 |
break; |
1245 |
case 1: /* erase to beginning of line */ |
1246 |
col = 0; |
1247 |
num = screen.cur.col + 1; |
1248 |
if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) |
1249 |
|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) |
1250 |
CLEAR_SELECTION (); |
1251 |
break; |
1252 |
case 2: /* erase whole line */ |
1253 |
col = 0; |
1254 |
num = ncol; |
1255 |
line.l = 0; |
1256 |
if (selection.beg.row <= screen.cur.row |
1257 |
&& selection.end.row >= screen.cur.row) |
1258 |
CLEAR_SELECTION (); |
1259 |
break; |
1260 |
default: |
1261 |
return; |
1262 |
} |
1263 |
|
1264 |
scr_blank_line (line, col, num, rstyle); |
1265 |
} |
1266 |
|
1267 |
/* ------------------------------------------------------------------------- */ |
1268 |
/* |
1269 |
* Erase part of whole of the screen |
1270 |
* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J |
1271 |
* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J |
1272 |
* XTERM_SEQ: Clear whole screen : ESC [ 2 J |
1273 |
*/ |
1274 |
void |
1275 |
rxvt_term::scr_erase_screen (int mode) |
1276 |
{ |
1277 |
int num; |
1278 |
int32_t row; |
1279 |
rend_t ren; |
1280 |
XGCValues gcvalue; |
1281 |
|
1282 |
want_refresh = 1; |
1283 |
ZERO_SCROLLBACK (); |
1284 |
|
1285 |
switch (mode) |
1286 |
{ |
1287 |
case 0: /* erase to end of screen */ |
1288 |
selection_check (1); |
1289 |
scr_erase_line (0); |
1290 |
row = screen.cur.row + 1; /* possible OOB */ |
1291 |
num = nrow - row; |
1292 |
break; |
1293 |
case 1: /* erase to beginning of screen */ |
1294 |
selection_check (3); |
1295 |
scr_erase_line (1); |
1296 |
row = 0; |
1297 |
num = screen.cur.row; |
1298 |
break; |
1299 |
case 2: /* erase whole screen */ |
1300 |
selection_check (3); |
1301 |
row = 0; |
1302 |
num = nrow; |
1303 |
break; |
1304 |
default: |
1305 |
return; |
1306 |
} |
1307 |
|
1308 |
if (selection.op && current_screen == selection.screen |
1309 |
&& ((selection.beg.row >= row && selection.beg.row <= row + num) |
1310 |
|| (selection.end.row >= row |
1311 |
&& selection.end.row <= row + num))) |
1312 |
CLEAR_SELECTION (); |
1313 |
|
1314 |
if (row >= nrow) /* Out Of Bounds */ |
1315 |
return; |
1316 |
|
1317 |
min_it (num, nrow - row); |
1318 |
|
1319 |
if (rstyle & (RS_RVid | RS_Uline)) |
1320 |
ren = (rend_t) ~RS_None; |
1321 |
else if (GET_BASEBG (rstyle) == Color_bg) |
1322 |
{ |
1323 |
ren = DEFAULT_RSTYLE; |
1324 |
CLEAR_ROWS (row, num); |
1325 |
} |
1326 |
else |
1327 |
{ |
1328 |
ren = rstyle & (RS_fgMask | RS_bgMask); |
1329 |
gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; |
1330 |
XChangeGC (display->display, gc, GCForeground, &gcvalue); |
1331 |
ERASE_ROWS (row, num); |
1332 |
gcvalue.foreground = pix_colors[Color_fg]; |
1333 |
XChangeGC (display->display, gc, GCForeground, &gcvalue); |
1334 |
} |
1335 |
|
1336 |
for (; num--; row++) |
1337 |
{ |
1338 |
scr_blank_screen_mem (ROW(row), rstyle); |
1339 |
scr_blank_line (drawn_buf [row], 0, ncol, ren); |
1340 |
} |
1341 |
} |
1342 |
|
1343 |
#if ENABLE_FRILLS |
1344 |
void |
1345 |
rxvt_term::scr_erase_savelines () |
1346 |
{ |
1347 |
want_refresh = 1; |
1348 |
ZERO_SCROLLBACK (); |
1349 |
|
1350 |
top_row = 0; |
1351 |
} |
1352 |
#endif |
1353 |
|
1354 |
/* ------------------------------------------------------------------------- */ |
1355 |
/* |
1356 |
* Fill the screen with `E's |
1357 |
* XTERM_SEQ: Screen Alignment Test: ESC # 8 |
1358 |
*/ |
1359 |
void |
1360 |
rxvt_term::scr_E () |
1361 |
{ |
1362 |
rend_t fs; |
1363 |
|
1364 |
want_refresh = 1; |
1365 |
ZERO_SCROLLBACK (); |
1366 |
|
1367 |
num_scr_allow = 0; |
1368 |
selection_check (3); |
1369 |
|
1370 |
fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); |
1371 |
for (int row = nrow; row--; ) |
1372 |
{ |
1373 |
line_t &line = ROW(row); |
1374 |
|
1375 |
fill_text (line.t, 'E', ncol); |
1376 |
rend_t *r1 = line.r; |
1377 |
|
1378 |
for (int j = ncol; j--; ) |
1379 |
*r1++ = fs; |
1380 |
|
1381 |
line.is_longer (0); |
1382 |
line.touch (ncol); |
1383 |
} |
1384 |
} |
1385 |
|
1386 |
/* ------------------------------------------------------------------------- */ |
1387 |
/* |
1388 |
* Insert/Delete <count> lines |
1389 |
*/ |
1390 |
void |
1391 |
rxvt_term::scr_insdel_lines (int count, int insdel) |
1392 |
{ |
1393 |
int end; |
1394 |
|
1395 |
ZERO_SCROLLBACK (); |
1396 |
|
1397 |
selection_check (1); |
1398 |
|
1399 |
if (screen.cur.row > screen.bscroll) |
1400 |
return; |
1401 |
|
1402 |
end = screen.bscroll - screen.cur.row + 1; |
1403 |
if (count > end) |
1404 |
{ |
1405 |
if (insdel == DELETE) |
1406 |
return; |
1407 |
else if (insdel == INSERT) |
1408 |
count = end; |
1409 |
} |
1410 |
|
1411 |
scr_do_wrap (); |
1412 |
|
1413 |
scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count); |
1414 |
} |
1415 |
|
1416 |
/* ------------------------------------------------------------------------- */ |
1417 |
/* |
1418 |
* Insert/Delete <count> characters from the current position |
1419 |
*/ |
1420 |
void |
1421 |
rxvt_term::scr_insdel_chars (int count, int insdel) |
1422 |
{ |
1423 |
int col, row; |
1424 |
rend_t tr; |
1425 |
|
1426 |
want_refresh = 1; |
1427 |
ZERO_SCROLLBACK (); |
1428 |
|
1429 |
if (count <= 0) |
1430 |
return; |
1431 |
|
1432 |
scr_do_wrap (); |
1433 |
|
1434 |
selection_check (1); |
1435 |
min_it (count, ncol - screen.cur.col); |
1436 |
|
1437 |
row = screen.cur.row; |
1438 |
|
1439 |
line_t *line = &ROW(row); |
1440 |
|
1441 |
line->touch (); |
1442 |
line->is_longer (0); |
1443 |
|
1444 |
switch (insdel) |
1445 |
{ |
1446 |
case INSERT: |
1447 |
for (col = ncol - 1; (col - count) >= screen.cur.col; col--) |
1448 |
{ |
1449 |
line->t[col] = line->t[col - count]; |
1450 |
line->r[col] = line->r[col - count]; |
1451 |
} |
1452 |
|
1453 |
line->l = min (line->l + count, ncol); |
1454 |
|
1455 |
if (selection.op && current_screen == selection.screen |
1456 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1457 |
{ |
1458 |
if (selection.end.row != screen.cur.row |
1459 |
|| (selection.end.col + count >= ncol)) |
1460 |
CLEAR_SELECTION (); |
1461 |
else |
1462 |
{ /* shift selection */ |
1463 |
selection.beg.col += count; |
1464 |
selection.mark.col += count; /* XXX: yes? */ |
1465 |
selection.end.col += count; |
1466 |
} |
1467 |
} |
1468 |
|
1469 |
scr_blank_line (*line, screen.cur.col, count, rstyle); |
1470 |
break; |
1471 |
|
1472 |
case ERASE: |
1473 |
screen.cur.col += count; /* don't worry if > ncol */ |
1474 |
selection_check (1); |
1475 |
screen.cur.col -= count; |
1476 |
|
1477 |
line->l = max (line->l - count, 0); |
1478 |
scr_blank_line (*line, screen.cur.col, count, rstyle); |
1479 |
break; |
1480 |
|
1481 |
case DELETE: |
1482 |
tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); |
1483 |
|
1484 |
for (col = screen.cur.col; (col + count) < ncol; col++) |
1485 |
{ |
1486 |
line->t[col] = line->t[col + count]; |
1487 |
line->r[col] = line->r[col + count]; |
1488 |
} |
1489 |
|
1490 |
line->l = max (line->l - count, 0); |
1491 |
scr_blank_line (*line, ncol - count, count, tr); |
1492 |
|
1493 |
if (selection.op && current_screen == selection.screen |
1494 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1495 |
{ |
1496 |
if (selection.end.row != screen.cur.row |
1497 |
|| (screen.cur.col >= selection.beg.col - count) |
1498 |
|| selection.end.col >= ncol) |
1499 |
CLEAR_SELECTION (); |
1500 |
else |
1501 |
{ |
1502 |
/* shift selection */ |
1503 |
selection.beg.col -= count; |
1504 |
selection.mark.col -= count; /* XXX: yes? */ |
1505 |
selection.end.col -= count; |
1506 |
} |
1507 |
} |
1508 |
|
1509 |
break; |
1510 |
} |
1511 |
} |
1512 |
|
1513 |
/* ------------------------------------------------------------------------- */ |
1514 |
/* |
1515 |
* Set the scrolling region |
1516 |
* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r |
1517 |
*/ |
1518 |
void |
1519 |
rxvt_term::scr_scroll_region (int top, int bot) |
1520 |
{ |
1521 |
max_it (top, 0); |
1522 |
min_it (bot, nrow - 1); |
1523 |
|
1524 |
if (top > bot) |
1525 |
return; |
1526 |
|
1527 |
screen.tscroll = top; |
1528 |
screen.bscroll = bot; |
1529 |
scr_gotorc (0, 0, 0); |
1530 |
} |
1531 |
|
1532 |
/* ------------------------------------------------------------------------- */ |
1533 |
/* |
1534 |
* Make the cursor visible/invisible |
1535 |
* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h |
1536 |
* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l |
1537 |
*/ |
1538 |
void |
1539 |
rxvt_term::scr_cursor_visible (int mode) |
1540 |
{ |
1541 |
want_refresh = 1; |
1542 |
|
1543 |
if (mode) |
1544 |
screen.flags |= Screen_VisibleCursor; |
1545 |
else |
1546 |
screen.flags &= ~Screen_VisibleCursor; |
1547 |
} |
1548 |
|
1549 |
/* ------------------------------------------------------------------------- */ |
1550 |
/* |
1551 |
* Set/unset automatic wrapping |
1552 |
* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h |
1553 |
* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l |
1554 |
*/ |
1555 |
void |
1556 |
rxvt_term::scr_autowrap (int mode) |
1557 |
{ |
1558 |
if (mode) |
1559 |
screen.flags |= Screen_Autowrap; |
1560 |
else |
1561 |
screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); |
1562 |
} |
1563 |
|
1564 |
/* ------------------------------------------------------------------------- */ |
1565 |
/* |
1566 |
* Set/unset margin origin mode |
1567 |
* Absolute mode: line numbers are counted relative to top margin of screen |
1568 |
* and the cursor can be moved outside the scrolling region. |
1569 |
* Relative mode: line numbers are relative to top margin of scrolling region |
1570 |
* and the cursor cannot be moved outside. |
1571 |
* XTERM_SEQ: Set Absolute: ESC [ ? 6 h |
1572 |
* XTERM_SEQ: Set Relative: ESC [ ? 6 l |
1573 |
*/ |
1574 |
void |
1575 |
rxvt_term::scr_relative_origin (int mode) |
1576 |
{ |
1577 |
if (mode) |
1578 |
screen.flags |= Screen_Relative; |
1579 |
else |
1580 |
screen.flags &= ~Screen_Relative; |
1581 |
|
1582 |
scr_gotorc (0, 0, 0); |
1583 |
} |
1584 |
|
1585 |
/* ------------------------------------------------------------------------- */ |
1586 |
/* |
1587 |
* Set insert/replace mode |
1588 |
* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h |
1589 |
* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l |
1590 |
*/ |
1591 |
void |
1592 |
rxvt_term::scr_insert_mode (int mode) |
1593 |
{ |
1594 |
if (mode) |
1595 |
screen.flags |= Screen_Insert; |
1596 |
else |
1597 |
screen.flags &= ~Screen_Insert; |
1598 |
} |
1599 |
|
1600 |
/* ------------------------------------------------------------------------- */ |
1601 |
/* |
1602 |
* Set/Unset tabs |
1603 |
* XTERM_SEQ: Set tab at current column : ESC H |
1604 |
* XTERM_SEQ: Clear tab at current column: ESC [ 0 g |
1605 |
* XTERM_SEQ: Clear all tabs : ESC [ 3 g |
1606 |
*/ |
1607 |
void |
1608 |
rxvt_term::scr_set_tab (int mode) |
1609 |
{ |
1610 |
if (mode < 0) |
1611 |
memset (tabs, 0, ncol * sizeof (char)); |
1612 |
else if (screen.cur.col < ncol) |
1613 |
tabs [screen.cur.col] = !!mode; |
1614 |
} |
1615 |
|
1616 |
/* ------------------------------------------------------------------------- */ |
1617 |
/* |
1618 |
* Set reverse/normal video |
1619 |
* XTERM_SEQ: Reverse video: ESC [ ? 5 h |
1620 |
* XTERM_SEQ: Normal video : ESC [ ? 5 l |
1621 |
*/ |
1622 |
void |
1623 |
rxvt_term::scr_rvideo_mode (int mode) |
1624 |
{ |
1625 |
XGCValues gcvalue; |
1626 |
|
1627 |
if (rvideo != mode) |
1628 |
{ |
1629 |
rvideo = mode; |
1630 |
::swap (pix_colors[Color_fg], pix_colors[Color_bg]); |
1631 |
#if XPM_BACKGROUND |
1632 |
if (bgPixmap.pixmap == None) |
1633 |
#endif |
1634 |
#if TRANSPARENT |
1635 |
if (! OPTION (Opt_transparent) || am_transparent == 0) |
1636 |
#endif |
1637 |
XSetWindowBackground (display->display, vt, |
1638 |
pix_colors[Color_bg]); |
1639 |
|
1640 |
gcvalue.foreground = pix_colors[Color_fg]; |
1641 |
gcvalue.background = pix_colors[Color_bg]; |
1642 |
XChangeGC (display->display, gc, GCBackground | GCForeground, |
1643 |
&gcvalue); |
1644 |
scr_clear (); |
1645 |
scr_touch (true); |
1646 |
} |
1647 |
} |
1648 |
|
1649 |
/* ------------------------------------------------------------------------- */ |
1650 |
/* |
1651 |
* Report current cursor position |
1652 |
* XTERM_SEQ: Report position: ESC [ 6 n |
1653 |
*/ |
1654 |
void |
1655 |
rxvt_term::scr_report_position () |
1656 |
{ |
1657 |
tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); |
1658 |
} |
1659 |
|
1660 |
/* ------------------------------------------------------------------------- * |
1661 |
* FONTS * |
1662 |
* ------------------------------------------------------------------------- */ |
1663 |
|
1664 |
/* |
1665 |
* Set font style |
1666 |
*/ |
1667 |
void |
1668 |
rxvt_term::set_font_style () |
1669 |
{ |
1670 |
#if 0 |
1671 |
switch (charsets [screen.charset]) |
1672 |
{ |
1673 |
case '0': /* DEC Special Character & Line Drawing Set */ |
1674 |
break; |
1675 |
case 'A': /* United Kingdom (UK) */ |
1676 |
break; |
1677 |
case 'B': /* United States (USASCII) */ |
1678 |
break; |
1679 |
case '<': /* Multinational character set */ |
1680 |
break; |
1681 |
case '5': /* Finnish character set */ |
1682 |
break; |
1683 |
case 'C': /* Finnish character set */ |
1684 |
break; |
1685 |
case 'K': /* German character set */ |
1686 |
break; |
1687 |
} |
1688 |
#endif |
1689 |
} |
1690 |
|
1691 |
/* ------------------------------------------------------------------------- */ |
1692 |
/* |
1693 |
* Choose a font |
1694 |
* XTERM_SEQ: Invoke G0 character set: CTRL-O |
1695 |
* XTERM_SEQ: Invoke G1 character set: CTRL-N |
1696 |
* XTERM_SEQ: Invoke G2 character set: ESC N |
1697 |
* XTERM_SEQ: Invoke G3 character set: ESC O |
1698 |
*/ |
1699 |
void |
1700 |
rxvt_term::scr_charset_choose (int set) |
1701 |
{ |
1702 |
screen.charset = set; |
1703 |
set_font_style (); |
1704 |
} |
1705 |
|
1706 |
/* ------------------------------------------------------------------------- */ |
1707 |
/* |
1708 |
* Set a font |
1709 |
* XTERM_SEQ: Set G0 character set: ESC ( <C> |
1710 |
* XTERM_SEQ: Set G1 character set: ESC ) <C> |
1711 |
* XTERM_SEQ: Set G2 character set: ESC * <C> |
1712 |
* XTERM_SEQ: Set G3 character set: ESC + <C> |
1713 |
* See set_font_style for possible values for <C> |
1714 |
*/ |
1715 |
void |
1716 |
rxvt_term::scr_charset_set (int set, unsigned int ch) |
1717 |
{ |
1718 |
charsets[set] = (unsigned char)ch; |
1719 |
set_font_style (); |
1720 |
} |
1721 |
|
1722 |
|
1723 |
/* ------------------------------------------------------------------------- * |
1724 |
* MAJOR SCREEN MANIPULATION * |
1725 |
* ------------------------------------------------------------------------- */ |
1726 |
|
1727 |
/* |
1728 |
* refresh matching text. |
1729 |
*/ |
1730 |
bool |
1731 |
rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) |
1732 |
{ |
1733 |
bool found = false; |
1734 |
|
1735 |
for (int i = 0; i < nrow; i++) |
1736 |
{ |
1737 |
int col = 0; |
1738 |
rend_t *drp = drawn_buf[i].r; |
1739 |
|
1740 |
for (; col < ncol; col++, drp++) |
1741 |
if ((*drp & mask) == value) |
1742 |
{ |
1743 |
found = true; |
1744 |
*drp = ~value; |
1745 |
} |
1746 |
} |
1747 |
|
1748 |
return found; |
1749 |
} |
1750 |
|
1751 |
/* |
1752 |
* Refresh an area |
1753 |
*/ |
1754 |
enum { |
1755 |
PART_BEG = 0, |
1756 |
PART_END, |
1757 |
RC_COUNT |
1758 |
}; |
1759 |
|
1760 |
void |
1761 |
rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) |
1762 |
{ |
1763 |
int i; |
1764 |
row_col_t rc[RC_COUNT]; |
1765 |
|
1766 |
if (!drawn_buf) /* sanity check */ |
1767 |
return; |
1768 |
|
1769 |
#ifndef NO_SLOW_LINK_SUPPORT |
1770 |
if (refresh_type == FAST_REFRESH && !display->is_local) |
1771 |
{ |
1772 |
y = 0; |
1773 |
eheight = height; |
1774 |
} |
1775 |
#endif |
1776 |
|
1777 |
/* round down */ |
1778 |
rc[PART_BEG].col = Pixel2Col (x); |
1779 |
rc[PART_BEG].row = Pixel2Row (y); |
1780 |
/* round up */ |
1781 |
rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1); |
1782 |
rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); |
1783 |
|
1784 |
/* sanity checks */ |
1785 |
for (i = PART_BEG; i < RC_COUNT; i++) |
1786 |
{ |
1787 |
min_it (rc[i].col, ncol - 1); |
1788 |
min_it (rc[i].row, nrow - 1); |
1789 |
} |
1790 |
|
1791 |
for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) |
1792 |
fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); |
1793 |
|
1794 |
if (refresh) |
1795 |
scr_refresh (SLOW_REFRESH); |
1796 |
} |
1797 |
|
1798 |
/* ------------------------------------------------------------------------- */ |
1799 |
/* |
1800 |
* Refresh the entire screen |
1801 |
*/ |
1802 |
void |
1803 |
rxvt_term::scr_touch (bool refresh) |
1804 |
{ |
1805 |
scr_expose (0, 0, width, height, refresh); |
1806 |
} |
1807 |
|
1808 |
/* ------------------------------------------------------------------------- */ |
1809 |
/* |
1810 |
* Move the display so that the line represented by scrollbar value Y is at |
1811 |
* the top of the screen |
1812 |
*/ |
1813 |
void |
1814 |
rxvt_term::scr_move_to (int y, int len) |
1815 |
{ |
1816 |
int p = len |
1817 |
? (top_row - nrow) * (len - y) / len + (nrow - 1) |
1818 |
: 0; |
1819 |
|
1820 |
scr_changeview (p); |
1821 |
} |
1822 |
|
1823 |
/* ------------------------------------------------------------------------- */ |
1824 |
/* |
1825 |
* Page the screen up/down nlines |
1826 |
* direction should be UP or DN |
1827 |
*/ |
1828 |
bool |
1829 |
rxvt_term::scr_page (enum page_dirn direction, int nlines) |
1830 |
{ |
1831 |
int new_view_start = |
1832 |
direction == UP ? view_start - nlines |
1833 |
: view_start + nlines; |
1834 |
|
1835 |
return scr_changeview (new_view_start); |
1836 |
} |
1837 |
|
1838 |
bool |
1839 |
rxvt_term::scr_changeview (int new_view_start) |
1840 |
{ |
1841 |
clamp_it (new_view_start, top_row, 0); |
1842 |
|
1843 |
if (new_view_start == view_start) |
1844 |
return false; |
1845 |
|
1846 |
num_scr += new_view_start - view_start; |
1847 |
view_start = new_view_start; |
1848 |
HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END)); |
1849 |
want_refresh = 1; |
1850 |
|
1851 |
return true; |
1852 |
} |
1853 |
|
1854 |
/* ------------------------------------------------------------------------- */ |
1855 |
void |
1856 |
rxvt_term::scr_bell () |
1857 |
{ |
1858 |
#ifndef NO_BELL |
1859 |
|
1860 |
# ifndef NO_MAPALERT |
1861 |
# ifdef MAPALERT_OPTION |
1862 |
if (OPTION (Opt_mapAlert)) |
1863 |
# endif |
1864 |
XMapWindow (display->display, parent[0]); |
1865 |
# endif |
1866 |
|
1867 |
if (OPTION (Opt_visualBell)) |
1868 |
{ |
1869 |
scr_rvideo_mode (!rvideo); /* refresh also done */ |
1870 |
display->flush (); |
1871 |
rxvt_usleep (VISUAL_BELL_DURATION); |
1872 |
scr_rvideo_mode (!rvideo); /* refresh also done */ |
1873 |
} |
1874 |
else |
1875 |
XBell (display->display, 0); |
1876 |
|
1877 |
#endif |
1878 |
} |
1879 |
|
1880 |
/* ------------------------------------------------------------------------- */ |
1881 |
/* ARGSUSED */ |
1882 |
void |
1883 |
rxvt_term::scr_printscreen (int fullhist) |
1884 |
{ |
1885 |
#ifdef PRINTPIPE |
1886 |
int nrows, row_start; |
1887 |
FILE *fd; |
1888 |
|
1889 |
if ((fd = popen_printer ()) == NULL) |
1890 |
return; |
1891 |
|
1892 |
if (fullhist) |
1893 |
{ |
1894 |
nrows = nrow - top_row; |
1895 |
row_start = top_row; |
1896 |
} |
1897 |
else |
1898 |
{ |
1899 |
nrows = nrow; |
1900 |
row_start = view_start; |
1901 |
} |
1902 |
|
1903 |
wctomb (0, 0); |
1904 |
|
1905 |
for (int r1 = 0; r1 < nrows; r1++) |
1906 |
{ |
1907 |
text_t *tp = ROW(r1).t; |
1908 |
int len = ROW(r1).l; |
1909 |
|
1910 |
for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN |
1911 |
{ |
1912 |
char mb[MB_LEN_MAX]; |
1913 |
text_t t = *tp++; |
1914 |
if (t == NOCHAR) |
1915 |
continue; |
1916 |
|
1917 |
len = wctomb (mb, t); |
1918 |
|
1919 |
if (len <= 0) |
1920 |
{ |
1921 |
mb[0] = ' '; |
1922 |
len = 1; |
1923 |
} |
1924 |
|
1925 |
fwrite (mb, 1, len, fd); |
1926 |
} |
1927 |
|
1928 |
fputc ('\n', fd); |
1929 |
} |
1930 |
|
1931 |
pclose_printer (fd); |
1932 |
#endif |
1933 |
} |
1934 |
|
1935 |
/* ------------------------------------------------------------------------- */ |
1936 |
/* |
1937 |
* Refresh the screen |
1938 |
* drawn_text/drawn_rend contain the screen information before the update. |
1939 |
* screen.text/screen.rend contain what the screen will change to. |
1940 |
*/ |
1941 |
void |
1942 |
rxvt_term::scr_refresh (unsigned char refresh_type) |
1943 |
{ |
1944 |
unsigned char must_clear, /* use draw_string not draw_image_string */ |
1945 |
showcursor; /* show the cursor */ |
1946 |
int16_t col, row, /* column/row we're processing */ |
1947 |
ocrow; /* old cursor row */ |
1948 |
int i; /* tmp */ |
1949 |
#ifndef NO_CURSORCOLOR |
1950 |
rend_t cc1; /* store colours at cursor position (s) */ |
1951 |
#endif |
1952 |
rend_t *crp; // cursor rendition pointer |
1953 |
|
1954 |
want_refresh = 0; /* screen is current */ |
1955 |
|
1956 |
if (refresh_type == NO_REFRESH || !mapped) |
1957 |
return; |
1958 |
|
1959 |
/* |
1960 |
* A: set up vars |
1961 |
*/ |
1962 |
must_clear = 0; |
1963 |
refresh_count = 0; |
1964 |
|
1965 |
#if XPM_BACKGROUND |
1966 |
must_clear |= bgPixmap.pixmap != None; |
1967 |
#endif |
1968 |
#if TRANSPARENT |
1969 |
must_clear |= OPTION (Opt_transparent) && am_transparent; |
1970 |
#endif |
1971 |
ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ |
1972 |
|
1973 |
/* |
1974 |
* B: reverse any characters which are selected |
1975 |
*/ |
1976 |
scr_reverse_selection (); |
1977 |
|
1978 |
/* |
1979 |
* C: set the cursor character (s) |
1980 |
*/ |
1981 |
{ |
1982 |
unsigned char setoldcursor; |
1983 |
rend_t ccol1, /* Cursor colour */ |
1984 |
ccol2; /* Cursor colour2 */ |
1985 |
|
1986 |
showcursor = (screen.flags & Screen_VisibleCursor); |
1987 |
#ifdef CURSOR_BLINK |
1988 |
if (hidden_cursor) |
1989 |
showcursor = 0; |
1990 |
#endif |
1991 |
|
1992 |
if (showcursor) |
1993 |
{ |
1994 |
int col = screen.cur.col; |
1995 |
|
1996 |
while (col && ROW(screen.cur.row).t[col] == NOCHAR) |
1997 |
col--; |
1998 |
|
1999 |
crp = &ROW(screen.cur.row).r[col]; |
2000 |
|
2001 |
if (showcursor && focus) |
2002 |
{ |
2003 |
if (OPTION (Opt_cursorUnderline)) |
2004 |
*crp ^= RS_Uline; |
2005 |
else |
2006 |
{ |
2007 |
*crp ^= RS_RVid; |
2008 |
|
2009 |
#ifndef NO_CURSORCOLOR |
2010 |
cc1 = *crp & (RS_fgMask | RS_bgMask); |
2011 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2012 |
ccol1 = Color_cursor; |
2013 |
else |
2014 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
2015 |
ccol1 = fgcolor_of (rstyle); |
2016 |
#else |
2017 |
ccol1 = Color_fg; |
2018 |
#endif |
2019 |
if (ISSET_PIXCOLOR (Color_cursor2)) |
2020 |
ccol2 = Color_cursor2; |
2021 |
else |
2022 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
2023 |
ccol2 = bgcolor_of (rstyle); |
2024 |
#else |
2025 |
ccol2 = Color_bg; |
2026 |
#endif |
2027 |
*crp = SET_FGCOLOR (*crp, ccol1); |
2028 |
*crp = SET_BGCOLOR (*crp, ccol2); |
2029 |
#endif |
2030 |
} |
2031 |
} |
2032 |
} |
2033 |
|
2034 |
/* make sure no outline cursor is left around */ |
2035 |
setoldcursor = 0; |
2036 |
if (ocrow != -1) |
2037 |
{ |
2038 |
if (screen.cur.row - view_start != ocrow |
2039 |
|| screen.cur.col != oldcursor.col) |
2040 |
{ |
2041 |
if (ocrow < nrow |
2042 |
&& oldcursor.col < ncol) |
2043 |
drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); |
2044 |
|
2045 |
if (focus || !showcursor) |
2046 |
oldcursor.row = -1; |
2047 |
else |
2048 |
setoldcursor = 1; |
2049 |
} |
2050 |
} |
2051 |
else if (!focus) |
2052 |
setoldcursor = 1; |
2053 |
|
2054 |
if (setoldcursor) |
2055 |
{ |
2056 |
if (screen.cur.row - view_start >= nrow) |
2057 |
oldcursor.row = -1; |
2058 |
else |
2059 |
{ |
2060 |
oldcursor.row = screen.cur.row - view_start; |
2061 |
oldcursor.col = screen.cur.col; |
2062 |
} |
2063 |
} |
2064 |
} |
2065 |
|
2066 |
HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); |
2067 |
#if ENABLE_OVERLAY |
2068 |
scr_swap_overlay (); |
2069 |
#endif |
2070 |
|
2071 |
#ifndef NO_SLOW_LINK_SUPPORT |
2072 |
/* |
2073 |
* D: CopyArea pass - very useful for slower links |
2074 |
* This has been deliberately kept simple. |
2075 |
*/ |
2076 |
i = num_scr; |
2077 |
if (!display->is_local |
2078 |
&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr |
2079 |
&& abs (num_scr) < nrow && !must_clear) |
2080 |
{ |
2081 |
int16_t nits; |
2082 |
int j; |
2083 |
int len, wlen; |
2084 |
|
2085 |
j = nrow; |
2086 |
wlen = len = -1; |
2087 |
row = i > 0 ? 0 : j - 1; |
2088 |
for (; j-- >= 0; row += (i > 0 ? 1 : -1)) |
2089 |
{ |
2090 |
if (row + i >= 0 && row + i < nrow && row + i != ocrow) |
2091 |
{ |
2092 |
line_t s = ROW(view_start + row); |
2093 |
line_t d = drawn_buf[row]; |
2094 |
line_t d2 = drawn_buf[row + i]; |
2095 |
|
2096 |
for (nits = 0, col = ncol; col--; ) |
2097 |
if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) |
2098 |
nits--; |
2099 |
else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) |
2100 |
nits++; |
2101 |
|
2102 |
if (nits > 8) /* XXX: arbitrary choice */ |
2103 |
{ |
2104 |
for (col = ncol; col--; ) |
2105 |
{ |
2106 |
*d.t++ = *d2.t++; |
2107 |
*d.r++ = *d2.r++; |
2108 |
} |
2109 |
|
2110 |
if (len == -1) |
2111 |
len = row; |
2112 |
|
2113 |
wlen = row; |
2114 |
continue; |
2115 |
} |
2116 |
} |
2117 |
|
2118 |
if (len != -1) |
2119 |
{ |
2120 |
/* also comes here at end if needed because of >= above */ |
2121 |
if (wlen < len) |
2122 |
::swap (wlen, len); |
2123 |
|
2124 |
XCopyArea (display->display, vt, vt, |
2125 |
gc, 0, Row2Pixel (len + i), |
2126 |
(unsigned int)this->width, |
2127 |
(unsigned int)Height2Pixel (wlen - len + 1), |
2128 |
0, Row2Pixel (len)); |
2129 |
len = -1; |
2130 |
} |
2131 |
} |
2132 |
} |
2133 |
#endif |
2134 |
|
2135 |
/* |
2136 |
* E: main pass across every character |
2137 |
*/ |
2138 |
for (row = 0; row < nrow; row++) |
2139 |
{ |
2140 |
text_t *stp = ROW(view_start + row).t; |
2141 |
rend_t *srp = ROW(view_start + row).r; |
2142 |
text_t *dtp = drawn_buf[row].t; |
2143 |
rend_t *drp = drawn_buf[row].r; |
2144 |
|
2145 |
/* |
2146 |
* E2: OK, now the real pass |
2147 |
*/ |
2148 |
int ypixel = (int)Row2Pixel (row); |
2149 |
|
2150 |
for (col = 0; col < ncol; col++) |
2151 |
{ |
2152 |
/* compare new text with old - if exactly the same then continue */ |
2153 |
if (stp[col] == dtp[col] /* Must match characters to skip. */ |
2154 |
&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */ |
2155 |
|| (stp[col] == ' ' /* space w/ no background change */ |
2156 |
&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col])))) |
2157 |
continue; |
2158 |
|
2159 |
// redraw one or more characters |
2160 |
|
2161 |
// seek to the beginning of wide characters |
2162 |
while (stp[col] == NOCHAR && col > 0) |
2163 |
--col; |
2164 |
|
2165 |
rend_t rend = srp[col]; /* screen rendition (target rendtion) */ |
2166 |
text_t *text = stp + col; |
2167 |
int count = 1; |
2168 |
|
2169 |
dtp[col] = stp[col]; |
2170 |
drp[col] = rend; |
2171 |
|
2172 |
int xpixel = Col2Pixel (col); |
2173 |
|
2174 |
for (i = 0; ++col < ncol; ) |
2175 |
{ |
2176 |
if (stp[col] == NOCHAR) |
2177 |
{ |
2178 |
dtp[col] = stp[col]; |
2179 |
drp[col] = rend; |
2180 |
count++; |
2181 |
i++; |
2182 |
|
2183 |
continue; |
2184 |
} |
2185 |
|
2186 |
if (!RS_SAME (rend, srp[col])) |
2187 |
break; |
2188 |
|
2189 |
count++; |
2190 |
|
2191 |
if (stp[col] != dtp[col] |
2192 |
|| !RS_SAME (srp[col], drp[col])) |
2193 |
{ |
2194 |
if (must_clear && (i++ > count / 2)) |
2195 |
break; |
2196 |
|
2197 |
dtp[col] = stp[col]; |
2198 |
drp[col] = rend; |
2199 |
i = 0; |
2200 |
} |
2201 |
else if (must_clear || (stp[col] != ' ' && ++i >= 16)) |
2202 |
break; |
2203 |
} |
2204 |
|
2205 |
col--; /* went one too far. move back */ |
2206 |
count -= i; /* dump any matching trailing chars */ |
2207 |
|
2208 |
// sometimes we optimize away the trailing NOCHAR's, add them back |
2209 |
while (i && text[count] == NOCHAR) |
2210 |
count++, i--; |
2211 |
|
2212 |
/* |
2213 |
* Determine the attributes for the string |
2214 |
*/ |
2215 |
int fore = fgcolor_of (rend); // desired foreground |
2216 |
int back = bgcolor_of (rend); // desired background |
2217 |
|
2218 |
// only do special processing if any attributes are set, which is unlikely |
2219 |
if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) |
2220 |
{ |
2221 |
#if ENABLE_STYLES |
2222 |
// force redraw after "careful" characters to avoid pixel droppings |
2223 |
if (srp[col] & RS_Careful && col < ncol - 1 && 0) |
2224 |
drp[col + 1] = ~srp[col + 1]; |
2225 |
|
2226 |
// include previous careful character(s) if possible, looks nicer (best effort...) |
2227 |
while (text > stp |
2228 |
&& srp[text - stp - 1] & RS_Careful |
2229 |
&& RS_SAME (rend, srp[text - stp - 1])) |
2230 |
text--, count++, xpixel -= fwidth; |
2231 |
#endif |
2232 |
|
2233 |
bool invert = rend & RS_RVid; |
2234 |
|
2235 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2236 |
if (rend & RS_Bold |
2237 |
&& fore == Color_fg) |
2238 |
{ |
2239 |
if (ISSET_PIXCOLOR (Color_BD)) |
2240 |
fore = Color_BD; |
2241 |
# if !ENABLE_STYLES |
2242 |
else |
2243 |
invert = !invert; |
2244 |
# endif |
2245 |
} |
2246 |
|
2247 |
if (rend & RS_Italic |
2248 |
&& fore == Color_fg) |
2249 |
{ |
2250 |
if (ISSET_PIXCOLOR (Color_IT)) |
2251 |
fore = Color_IT; |
2252 |
# if !ENABLE_STYLES |
2253 |
else |
2254 |
invert = !invert; |
2255 |
# endif |
2256 |
} |
2257 |
|
2258 |
if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL)) |
2259 |
fore = Color_UL; |
2260 |
#endif |
2261 |
|
2262 |
if (invert) |
2263 |
{ |
2264 |
::swap (fore, back); |
2265 |
|
2266 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2267 |
if (ISSET_PIXCOLOR (Color_RV)) |
2268 |
back = Color_RV; |
2269 |
|
2270 |
if (fore == back) |
2271 |
{ |
2272 |
fore = Color_bg; |
2273 |
back = Color_fg; |
2274 |
} |
2275 |
#endif |
2276 |
} |
2277 |
|
2278 |
#ifdef TEXT_BLINK |
2279 |
if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) |
2280 |
{ |
2281 |
if (!text_blink_ev.active) |
2282 |
{ |
2283 |
text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); |
2284 |
hidden_text = 0; |
2285 |
} |
2286 |
else if (hidden_text) |
2287 |
fore = back; |
2288 |
} |
2289 |
#endif |
2290 |
} |
2291 |
|
2292 |
/* |
2293 |
* Actually do the drawing of the string here |
2294 |
*/ |
2295 |
rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; |
2296 |
|
2297 |
if (back == fore) |
2298 |
font->clear_rect (*drawable, xpixel, ypixel, |
2299 |
fwidth * count, fheight, |
2300 |
back); |
2301 |
else if (back == Color_bg) |
2302 |
{ |
2303 |
if (must_clear) |
2304 |
{ |
2305 |
CLEAR_CHARS (xpixel, ypixel, count); |
2306 |
|
2307 |
for (i = 0; i < count; i++) /* don't draw empty strings */ |
2308 |
if (text[i] != ' ') |
2309 |
{ |
2310 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, -1); |
2311 |
break; |
2312 |
} |
2313 |
} |
2314 |
else |
2315 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_bg); |
2316 |
} |
2317 |
else |
2318 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, back); |
2319 |
|
2320 |
if (rend & RS_Uline && font->descent > 1 && fore != back) |
2321 |
{ |
2322 |
#if ENABLE_FRILLS |
2323 |
if (ISSET_PIXCOLOR (Color_underline)) |
2324 |
XSetForeground (display->display, gc, pix_colors[Color_underline]); |
2325 |
else |
2326 |
#endif |
2327 |
XSetForeground (display->display, gc, pix_colors[fore]); |
2328 |
|
2329 |
XDrawLine (display->display, drawBuffer, gc, |
2330 |
xpixel, ypixel + font->ascent + 1, |
2331 |
xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); |
2332 |
} |
2333 |
} /* for (col....) */ |
2334 |
} /* for (row....) */ |
2335 |
|
2336 |
#if ENABLE_OVERLAY |
2337 |
scr_swap_overlay (); |
2338 |
#endif |
2339 |
HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END)); |
2340 |
|
2341 |
/* |
2342 |
* G: cleanup cursor and display outline cursor if necessary |
2343 |
*/ |
2344 |
if (showcursor) |
2345 |
{ |
2346 |
if (focus) |
2347 |
{ |
2348 |
if (OPTION (Opt_cursorUnderline)) |
2349 |
*crp ^= RS_Uline; |
2350 |
else |
2351 |
{ |
2352 |
*crp ^= RS_RVid; |
2353 |
#ifndef NO_CURSORCOLOR |
2354 |
*crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; |
2355 |
#endif |
2356 |
} |
2357 |
} |
2358 |
else if (oldcursor.row >= 0) |
2359 |
{ |
2360 |
int cursorwidth = 1; |
2361 |
int col = oldcursor.col; |
2362 |
|
2363 |
while (col && ROW(screen.cur.row).t[col] == NOCHAR) |
2364 |
col--; |
2365 |
|
2366 |
while (col + cursorwidth < ncol |
2367 |
&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR) |
2368 |
cursorwidth++; |
2369 |
|
2370 |
#ifndef NO_CURSORCOLOR |
2371 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2372 |
XSetForeground (display->display, gc, pix_colors[Color_cursor]); |
2373 |
#endif |
2374 |
|
2375 |
XDrawRectangle (display->display, drawBuffer, gc, |
2376 |
Col2Pixel (col), |
2377 |
Row2Pixel (oldcursor.row), |
2378 |
(unsigned int) (Width2Pixel (cursorwidth) - 1), |
2379 |
(unsigned int) (Height2Pixel (1) - lineSpace - 1)); |
2380 |
} |
2381 |
} |
2382 |
|
2383 |
/* |
2384 |
* H: cleanup selection |
2385 |
*/ |
2386 |
scr_reverse_selection (); |
2387 |
|
2388 |
num_scr = 0; |
2389 |
num_scr_allow = 1; |
2390 |
} |
2391 |
|
2392 |
void |
2393 |
rxvt_term::scr_remap_chars (line_t &l) |
2394 |
{ |
2395 |
if (!l.t) |
2396 |
return; |
2397 |
|
2398 |
l.touch (); // maybe a bit of an overkill, but it's not performance-relevant |
2399 |
|
2400 |
for (int i = ncol; i--; ) |
2401 |
l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); |
2402 |
} |
2403 |
|
2404 |
void |
2405 |
rxvt_term::scr_remap_chars () |
2406 |
{ |
2407 |
for (int i = total_rows; i--; ) |
2408 |
scr_remap_chars (row_buf [i]); |
2409 |
|
2410 |
for (int i = nrow; i--; ) |
2411 |
{ |
2412 |
scr_remap_chars (drawn_buf [i]); |
2413 |
scr_remap_chars (swap_buf [i]); |
2414 |
} |
2415 |
} |
2416 |
|
2417 |
void |
2418 |
rxvt_term::scr_recolour () |
2419 |
{ |
2420 |
if (1 |
2421 |
#if TRANSPARENT |
2422 |
&& !am_transparent |
2423 |
#endif |
2424 |
#if XPM_BACKGROUND |
2425 |
&& !bgPixmap.pixmap |
2426 |
#endif |
2427 |
) |
2428 |
{ |
2429 |
XSetWindowBackground (display->display, parent[0], pix_colors[Color_border]); |
2430 |
XClearWindow (display->display, parent[0]); |
2431 |
XSetWindowBackground (display->display, vt, pix_colors[Color_bg]); |
2432 |
#if HAVE_SCROLLBARS |
2433 |
if (scrollBar.win) |
2434 |
{ |
2435 |
XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]); |
2436 |
scrollBar.setIdle (); |
2437 |
scrollbar_show (0); |
2438 |
} |
2439 |
#endif |
2440 |
} |
2441 |
|
2442 |
scr_clear (); |
2443 |
scr_touch (true); |
2444 |
want_refresh = 1; |
2445 |
} |
2446 |
|
2447 |
/* ------------------------------------------------------------------------- */ |
2448 |
void |
2449 |
rxvt_term::scr_clear (bool really) |
2450 |
{ |
2451 |
if (!mapped) |
2452 |
return; |
2453 |
|
2454 |
num_scr_allow = 0; |
2455 |
want_refresh = 1; |
2456 |
|
2457 |
if (really) |
2458 |
XClearWindow (display->display, vt); |
2459 |
} |
2460 |
|
2461 |
void |
2462 |
rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) |
2463 |
{ |
2464 |
int view_end = view_start + nrow; |
2465 |
int row, col; |
2466 |
|
2467 |
for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) |
2468 |
{ |
2469 |
text_t *stp = ROW(row).t; |
2470 |
rend_t *srp = ROW(row).r; |
2471 |
|
2472 |
for (col = beg_col; col < end_col; col++) |
2473 |
srp[col] ^= rstyle1; |
2474 |
|
2475 |
while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col]))) |
2476 |
srp[col] ^= rstyle2; |
2477 |
|
2478 |
if (++col < end_col) |
2479 |
srp[col] ^= rstyle2; |
2480 |
} |
2481 |
} |
2482 |
|
2483 |
void |
2484 |
rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) |
2485 |
{ |
2486 |
int view_end = view_start + nrow; |
2487 |
int row, col; |
2488 |
|
2489 |
if (beg_row >= view_start) |
2490 |
{ |
2491 |
col = beg_col; |
2492 |
row = beg_row; |
2493 |
} |
2494 |
else |
2495 |
{ |
2496 |
col = 0; |
2497 |
row = view_start; |
2498 |
} |
2499 |
|
2500 |
for (; row < min (end_row, view_end); row++, col = 0) |
2501 |
for (rend_t *srp = ROW(row).r; col < ncol; col++) |
2502 |
srp[col] ^= rstyle; |
2503 |
|
2504 |
if (row == end_row) |
2505 |
for (rend_t *srp = ROW(row).r; col < end_col; col++) |
2506 |
srp[col] ^= rstyle; |
2507 |
} |
2508 |
|
2509 |
/* ------------------------------------------------------------------------- */ |
2510 |
void |
2511 |
rxvt_term::scr_reverse_selection () |
2512 |
{ |
2513 |
if (selection.op |
2514 |
&& current_screen == selection.screen |
2515 |
&& selection.end.row >= view_start) |
2516 |
{ |
2517 |
#if ENABLE_FRILLS |
2518 |
if (selection.rect) |
2519 |
scr_xor_rect (selection.beg.row, selection.beg.col, |
2520 |
selection.end.row, selection.end.col, |
2521 |
RS_RVid, RS_RVid | RS_Uline); |
2522 |
else |
2523 |
#endif |
2524 |
scr_xor_span (selection.beg.row, selection.beg.col, |
2525 |
selection.end.row, selection.end.col, |
2526 |
RS_RVid); |
2527 |
} |
2528 |
} |
2529 |
|
2530 |
/* ------------------------------------------------------------------------- */ |
2531 |
/* |
2532 |
* Dump the whole scrollback and screen to the passed filedescriptor. The |
2533 |
* invoking routine must close the fd. |
2534 |
*/ |
2535 |
#if 0 |
2536 |
void |
2537 |
rxvt_term::scr_dump (int fd) |
2538 |
{ |
2539 |
int row, wrote; |
2540 |
unsigned int width, towrite; |
2541 |
char r1[] = "\n"; |
2542 |
|
2543 |
for (row = saveLines - nsaved; |
2544 |
row < saveLines + nrow - 1; row++) |
2545 |
{ |
2546 |
width = row_buf[row].l >= 0 ? row_buf[row].l |
2547 |
: ncol; |
2548 |
for (towrite = width; towrite; towrite -= wrote) |
2549 |
{ |
2550 |
wrote = write (fd, & (row_buf[row].t[width - towrite]), |
2551 |
towrite); |
2552 |
if (wrote < 0) |
2553 |
return; /* XXX: death, no report */ |
2554 |
} |
2555 |
if (row_buf[row].l >= 0) |
2556 |
if (write (fd, r1, 1) <= 0) |
2557 |
return; /* XXX: death, no report */ |
2558 |
} |
2559 |
} |
2560 |
#endif |
2561 |
|
2562 |
/* ------------------------------------------------------------------------- * |
2563 |
* CHARACTER SELECTION * |
2564 |
* ------------------------------------------------------------------------- */ |
2565 |
void |
2566 |
rxvt_term::selection_check (int check_more) |
2567 |
{ |
2568 |
row_col_t pos; |
2569 |
|
2570 |
if (!selection.op) |
2571 |
return; |
2572 |
|
2573 |
pos.row = pos.col = 0; |
2574 |
if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) |
2575 |
|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow) |
2576 |
|| !IN_RANGE_EXC (selection.end.row, top_row, nrow) |
2577 |
|| (check_more == 1 |
2578 |
&& current_screen == selection.screen |
2579 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
2580 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end)) |
2581 |
|| (check_more == 2 |
2582 |
&& ROWCOL_IS_BEFORE (selection.beg, pos) |
2583 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
2584 |
|| (check_more == 3 |
2585 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
2586 |
|| (check_more == 4 /* screen width change */ |
2587 |
&& (selection.beg.row != selection.end.row |
2588 |
|| selection.end.col > ncol))) |
2589 |
CLEAR_SELECTION (); |
2590 |
} |
2591 |
|
2592 |
/* ------------------------------------------------------------------------- */ |
2593 |
/* |
2594 |
* Paste a selection direct to the command fd |
2595 |
*/ |
2596 |
void |
2597 |
rxvt_term::paste (char *data, unsigned int len) |
2598 |
{ |
2599 |
/* convert normal newline chars into common keyboard Return key sequence */ |
2600 |
for (unsigned int i = 0; i < len; i++) |
2601 |
if (data[i] == C0_LF) |
2602 |
data[i] = C0_CR; |
2603 |
|
2604 |
tt_write (data, len); |
2605 |
} |
2606 |
|
2607 |
/* ------------------------------------------------------------------------- */ |
2608 |
/* |
2609 |
* Respond to a notification that a primary selection has been sent |
2610 |
* EXT: SelectionNotify |
2611 |
*/ |
2612 |
void |
2613 |
rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) |
2614 |
{ |
2615 |
if (prop == None) /* check for failed XConvertSelection */ |
2616 |
{ |
2617 |
if ((selection_type & Sel_CompoundText)) |
2618 |
{ |
2619 |
int selnum = selection_type & Sel_whereMask; |
2620 |
|
2621 |
selection_type = 0; |
2622 |
if (selnum != Sel_direct) |
2623 |
selection_request_other (XA_STRING, selnum); |
2624 |
} |
2625 |
|
2626 |
if ((selection_type & Sel_UTF8String)) |
2627 |
{ |
2628 |
int selnum = selection_type & Sel_whereMask; |
2629 |
|
2630 |
selection_type = Sel_CompoundText; |
2631 |
if (selnum != Sel_direct) |
2632 |
selection_request_other (xa[XA_COMPOUND_TEXT], selnum); |
2633 |
else |
2634 |
selection_type = 0; |
2635 |
} |
2636 |
|
2637 |
return; |
2638 |
} |
2639 |
|
2640 |
unsigned long bytes_after; |
2641 |
XTextProperty ct; |
2642 |
|
2643 |
if (XGetWindowProperty (display->display, win, prop, |
2644 |
0, PROP_SIZE / 4, |
2645 |
delete_prop, AnyPropertyType, |
2646 |
&ct.encoding, &ct.format, |
2647 |
&ct.nitems, &bytes_after, |
2648 |
&ct.value) != Success) |
2649 |
{ |
2650 |
ct.value = 0; |
2651 |
goto bailout; |
2652 |
} |
2653 |
|
2654 |
if (ct.encoding == None) |
2655 |
goto bailout; |
2656 |
|
2657 |
if (bytes_after) |
2658 |
{ |
2659 |
// fetch and append remaining data |
2660 |
XTextProperty ct2; |
2661 |
|
2662 |
if (XGetWindowProperty (display->display, win, prop, |
2663 |
ct.nitems / 4, (bytes_after + 3) / 4, |
2664 |
delete_prop, AnyPropertyType, |
2665 |
&ct2.encoding, &ct2.format, |
2666 |
&ct2.nitems, &bytes_after, |
2667 |
&ct2.value) != Success) |
2668 |
goto bailout; |
2669 |
|
2670 |
// realloc should be compatible to XFree, here, and elsewhere, too |
2671 |
ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1); |
2672 |
memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1); |
2673 |
ct.nitems += ct2.nitems; |
2674 |
|
2675 |
XFree (ct2.value); |
2676 |
} |
2677 |
|
2678 |
if (ct.value == 0) |
2679 |
goto bailout; |
2680 |
|
2681 |
if (ct.encoding == xa[XA_INCR]) |
2682 |
{ |
2683 |
// INCR selection, start handshake |
2684 |
if (!delete_prop) |
2685 |
XDeleteProperty (display->display, win, prop); |
2686 |
|
2687 |
selection_wait = Sel_incr; |
2688 |
incr_buf_fill = 0; |
2689 |
incr_ev.start (NOW + 10); |
2690 |
|
2691 |
goto bailout; |
2692 |
} |
2693 |
|
2694 |
if (ct.nitems == 0) |
2695 |
{ |
2696 |
if (selection_wait == Sel_incr) |
2697 |
{ |
2698 |
XFree (ct.value); |
2699 |
|
2700 |
// finally complete, now paste the whole thing |
2701 |
selection_wait = Sel_normal; |
2702 |
ct.value = (unsigned char *)incr_buf; |
2703 |
ct.nitems = incr_buf_fill; |
2704 |
incr_buf = 0; |
2705 |
incr_buf_size = 0; |
2706 |
incr_ev.stop (); |
2707 |
} |
2708 |
else |
2709 |
{ |
2710 |
if (selection_wait == Sel_normal |
2711 |
&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion |
2712 |
{ |
2713 |
/* |
2714 |
* pass through again trying CUT_BUFFER0 if we've come from |
2715 |
* XConvertSelection () but nothing was presented |
2716 |
*/ |
2717 |
selection_paste (display->root, XA_CUT_BUFFER0, False); |
2718 |
} |
2719 |
|
2720 |
goto bailout; |
2721 |
} |
2722 |
} |
2723 |
else if (selection_wait == Sel_incr) |
2724 |
{ |
2725 |
incr_ev.start (NOW + 10); |
2726 |
|
2727 |
while (incr_buf_fill + ct.nitems > incr_buf_size) |
2728 |
{ |
2729 |
incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024; |
2730 |
incr_buf = (char *)realloc (incr_buf, incr_buf_size); |
2731 |
} |
2732 |
|
2733 |
memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems); |
2734 |
incr_buf_fill += ct.nitems; |
2735 |
|
2736 |
goto bailout; |
2737 |
} |
2738 |
|
2739 |
char **cl; |
2740 |
int cr; |
2741 |
|
2742 |
#if ENABLE_FRILLS |
2743 |
// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it |
2744 |
// so recode it manually |
2745 |
if (ct.encoding == xa[XA_UTF8_STRING]) |
2746 |
{ |
2747 |
wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); |
2748 |
char *s = rxvt_wcstombs (w); |
2749 |
free (w); |
2750 |
// TODO: strlen == only the first element will be converted. well... |
2751 |
paste (s, strlen (s)); |
2752 |
free (s); |
2753 |
} |
2754 |
else |
2755 |
#endif |
2756 |
if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 |
2757 |
&& cl) |
2758 |
{ |
2759 |
for (int i = 0; i < cr; i++) |
2760 |
paste (cl[i], strlen (cl[i])); |
2761 |
|
2762 |
XFreeStringList (cl); |
2763 |
} |
2764 |
else |
2765 |
paste ((char *)ct.value, ct.nitems); // paste raw |
2766 |
|
2767 |
bailout: |
2768 |
XFree (ct.value); |
2769 |
|
2770 |
if (selection_wait == Sel_normal) |
2771 |
selection_wait = Sel_none; |
2772 |
} |
2773 |
|
2774 |
void |
2775 |
rxvt_term::incr_cb (time_watcher &w) |
2776 |
{ |
2777 |
selection_wait = Sel_none; |
2778 |
|
2779 |
incr_buf_size = 0; |
2780 |
free (incr_buf); |
2781 |
|
2782 |
rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); |
2783 |
} |
2784 |
|
2785 |
void |
2786 |
rxvt_term::selection_property (Window win, Atom prop) |
2787 |
{ |
2788 |
if (prop == None || selection_wait != Sel_incr) |
2789 |
return; |
2790 |
|
2791 |
selection_paste (win, prop, true); |
2792 |
} |
2793 |
|
2794 |
/* ------------------------------------------------------------------------- */ |
2795 |
/* |
2796 |
* Request the current selection: |
2797 |
* Order: > internal selection if available |
2798 |
* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) |
2799 |
* > CUT_BUFFER0 |
2800 |
* (+) if ownership is claimed but property is empty, rxvt_selection_paste () |
2801 |
* will auto fallback to CUT_BUFFER0 |
2802 |
* EXT: button 2 release |
2803 |
*/ |
2804 |
void |
2805 |
rxvt_term::selection_request (Time tm, int x, int y) |
2806 |
{ |
2807 |
if (x < 0 || x >= width || y < 0 || y >= height) |
2808 |
return; /* outside window */ |
2809 |
|
2810 |
if (selection.text) |
2811 |
{ /* internal selection */ |
2812 |
char *str = rxvt_wcstombs (selection.text, selection.len); |
2813 |
paste (str, strlen (str)); |
2814 |
free (str); |
2815 |
return; |
2816 |
} |
2817 |
else |
2818 |
{ |
2819 |
int i; |
2820 |
|
2821 |
selection_request_time = tm; |
2822 |
selection_wait = Sel_normal; |
2823 |
|
2824 |
for (i = Sel_Primary; i <= Sel_Clipboard; i++) |
2825 |
{ |
2826 |
#if X_HAVE_UTF8_STRING |
2827 |
selection_type = Sel_UTF8String; |
2828 |
if (selection_request_other (xa[XA_UTF8_STRING], i)) |
2829 |
return; |
2830 |
#else |
2831 |
selection_type = Sel_CompoundText; |
2832 |
if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) |
2833 |
return; |
2834 |
#endif |
2835 |
} |
2836 |
} |
2837 |
|
2838 |
selection_wait = Sel_none; /* don't loop in selection_paste () */ |
2839 |
selection_paste (display->root, XA_CUT_BUFFER0, false); |
2840 |
} |
2841 |
|
2842 |
int |
2843 |
rxvt_term::selection_request_other (Atom target, int selnum) |
2844 |
{ |
2845 |
Atom sel; |
2846 |
|
2847 |
selection_type |= selnum; |
2848 |
|
2849 |
if (selnum == Sel_Primary) |
2850 |
sel = XA_PRIMARY; |
2851 |
else if (selnum == Sel_Secondary) |
2852 |
sel = XA_SECONDARY; |
2853 |
else |
2854 |
sel = xa[XA_CLIPBOARD]; |
2855 |
|
2856 |
if (XGetSelectionOwner (display->display, sel) != None) |
2857 |
{ |
2858 |
XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION], |
2859 |
vt, selection_request_time); |
2860 |
return 1; |
2861 |
} |
2862 |
|
2863 |
return 0; |
2864 |
} |
2865 |
|
2866 |
/* ------------------------------------------------------------------------- */ |
2867 |
/* |
2868 |
* Clear all selected text |
2869 |
* EXT: SelectionClear |
2870 |
*/ |
2871 |
void |
2872 |
rxvt_term::selection_clear () |
2873 |
{ |
2874 |
want_refresh = 1; |
2875 |
free (selection.text); |
2876 |
selection.text = NULL; |
2877 |
selection.len = 0; |
2878 |
CLEAR_SELECTION (); |
2879 |
|
2880 |
if (display->selection_owner == this) |
2881 |
display->selection_owner = 0; |
2882 |
} |
2883 |
|
2884 |
/* ------------------------------------------------------------------------- */ |
2885 |
/* |
2886 |
* Copy a selection into the cut buffer |
2887 |
* EXT: button 1 or 3 release |
2888 |
*/ |
2889 |
void |
2890 |
rxvt_term::selection_make (Time tm) |
2891 |
{ |
2892 |
int i; |
2893 |
wchar_t *new_selection_text; |
2894 |
text_t *t; |
2895 |
|
2896 |
switch (selection.op) |
2897 |
{ |
2898 |
case SELECTION_CONT: |
2899 |
break; |
2900 |
case SELECTION_INIT: |
2901 |
CLEAR_SELECTION (); |
2902 |
/* FALLTHROUGH */ |
2903 |
case SELECTION_BEGIN: |
2904 |
selection.op = SELECTION_DONE; |
2905 |
/* FALLTHROUGH */ |
2906 |
default: |
2907 |
return; |
2908 |
} |
2909 |
|
2910 |
selection.op = SELECTION_DONE; |
2911 |
|
2912 |
if (selection.clicks == 4) |
2913 |
return; /* nothing selected, go away */ |
2914 |
|
2915 |
if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) |
2916 |
return; |
2917 |
|
2918 |
i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); |
2919 |
new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); |
2920 |
|
2921 |
int ofs = 0; |
2922 |
int extra = 0; |
2923 |
|
2924 |
int col = selection.beg.col; |
2925 |
int row = selection.beg.row; |
2926 |
|
2927 |
int end_col; |
2928 |
|
2929 |
for (; row <= selection.end.row; row++, col = 0) |
2930 |
{ |
2931 |
#if ENABLE_FRILLS |
2932 |
if (selection.rect) |
2933 |
{ |
2934 |
col = selection.beg.col; |
2935 |
end_col = ncol + 1; |
2936 |
} |
2937 |
else |
2938 |
#endif |
2939 |
end_col = ROW(row).l; |
2940 |
|
2941 |
col = max (col, 0); |
2942 |
|
2943 |
if (row == selection.end.row |
2944 |
#if ENABLE_FRILLS |
2945 |
|| selection.rect |
2946 |
#endif |
2947 |
) |
2948 |
min_it (end_col, selection.end.col); |
2949 |
|
2950 |
t = ROW(row).t + col; |
2951 |
|
2952 |
for (; col < end_col; col++) |
2953 |
{ |
2954 |
if (*t == NOCHAR) |
2955 |
t++; |
2956 |
#if ENABLE_COMBINING |
2957 |
else if (IS_COMPOSE (*t)) |
2958 |
{ |
2959 |
int len = rxvt_composite.expand (*t, 0); |
2960 |
|
2961 |
extra -= (len - 1); |
2962 |
|
2963 |
if (extra < 0) |
2964 |
{ |
2965 |
extra += i; |
2966 |
i += i; |
2967 |
new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); |
2968 |
} |
2969 |
|
2970 |
ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); |
2971 |
} |
2972 |
#endif |
2973 |
else |
2974 |
new_selection_text[ofs++] = *t++; |
2975 |
} |
2976 |
|
2977 |
#if ENABLE_FRILLS |
2978 |
if (selection.rect) |
2979 |
{ |
2980 |
while (ofs |
2981 |
&& new_selection_text[ofs - 1] != C0_LF |
2982 |
&& unicode::is_space (new_selection_text[ofs - 1])) |
2983 |
--ofs; |
2984 |
|
2985 |
new_selection_text[ofs++] = C0_LF; |
2986 |
} |
2987 |
else |
2988 |
#endif |
2989 |
if (!ROW(row).is_longer () && row != selection.end.row) |
2990 |
new_selection_text[ofs++] = C0_LF; |
2991 |
} |
2992 |
|
2993 |
if (end_col != selection.end.col) |
2994 |
new_selection_text[ofs++] = C0_LF; |
2995 |
|
2996 |
new_selection_text[ofs] = 0; |
2997 |
|
2998 |
if (ofs == 0) |
2999 |
{ |
3000 |
free (new_selection_text); |
3001 |
return; |
3002 |
} |
3003 |
|
3004 |
free (selection.text); |
3005 |
|
3006 |
// we usually allocate much more than necessary, so realloc it smaller again |
3007 |
selection.len = ofs; |
3008 |
selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); |
3009 |
|
3010 |
if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END))) |
3011 |
return; |
3012 |
|
3013 |
selection_grab (tm); |
3014 |
} |
3015 |
|
3016 |
bool |
3017 |
rxvt_term::selection_grab (Time tm) |
3018 |
{ |
3019 |
selection_time = tm; |
3020 |
|
3021 |
XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); |
3022 |
if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) |
3023 |
{ |
3024 |
display->set_selection_owner (this); |
3025 |
return true; |
3026 |
} |
3027 |
else |
3028 |
{ |
3029 |
selection_clear (); |
3030 |
return false; |
3031 |
} |
3032 |
|
3033 |
#if 0 |
3034 |
XTextProperty ct; |
3035 |
|
3036 |
if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) |
3037 |
{ |
3038 |
set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); |
3039 |
XFree (ct.value); |
3040 |
} |
3041 |
#endif |
3042 |
} |
3043 |
|
3044 |
/* ------------------------------------------------------------------------- */ |
3045 |
/* |
3046 |
* Mark or select text based upon number of clicks: 1, 2, or 3 |
3047 |
* EXT: button 1 press |
3048 |
*/ |
3049 |
void |
3050 |
rxvt_term::selection_click (int clicks, int x, int y) |
3051 |
{ |
3052 |
clicks = ((clicks - 1) % 3) + 1; |
3053 |
selection.clicks = clicks; /* save clicks so extend will work */ |
3054 |
|
3055 |
if (clicks == 2 && !selection.rect |
3056 |
&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END))) |
3057 |
{ |
3058 |
MEvent.clicks = 1; // what a mess |
3059 |
selection.screen = current_screen; |
3060 |
selection.op = SELECTION_CONT; |
3061 |
return; |
3062 |
} |
3063 |
|
3064 |
selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); |
3065 |
|
3066 |
if (clicks == 2 || clicks == 3) |
3067 |
selection_extend_colrow (selection.mark.col, |
3068 |
selection.mark.row - view_start, |
3069 |
0, /* button 3 */ |
3070 |
1, /* button press */ |
3071 |
0); /* click change */ |
3072 |
} |
3073 |
|
3074 |
/* ------------------------------------------------------------------------- */ |
3075 |
/* |
3076 |
* Mark a selection at the specified col/row |
3077 |
*/ |
3078 |
void |
3079 |
rxvt_term::selection_start_colrow (int col, int row) |
3080 |
{ |
3081 |
want_refresh = 1; |
3082 |
|
3083 |
selection.mark.row = row + view_start; |
3084 |
selection.mark.col = col; |
3085 |
|
3086 |
selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1); |
3087 |
selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); |
3088 |
|
3089 |
while (selection.mark.col > 0 |
3090 |
&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) |
3091 |
--selection.mark.col; |
3092 |
|
3093 |
if (selection.op) |
3094 |
{ /* clear the old selection */ |
3095 |
selection.beg.row = selection.end.row = selection.mark.row; |
3096 |
selection.beg.col = selection.end.col = selection.mark.col; |
3097 |
} |
3098 |
|
3099 |
selection.op = SELECTION_INIT; |
3100 |
selection.screen = current_screen; |
3101 |
} |
3102 |
|
3103 |
/* ------------------------------------------------------------------------- */ |
3104 |
/* |
3105 |
* Word select: select text for 2 clicks |
3106 |
* We now only find out the boundary in one direction |
3107 |
*/ |
3108 |
|
3109 |
/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ |
3110 |
#define DELIMIT_TEXT(x) \ |
3111 |
(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) |
3112 |
#define DELIMIT_REND(x) 1 |
3113 |
|
3114 |
void |
3115 |
rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) |
3116 |
{ |
3117 |
int col, row, dirnadd, tcol, trow, w1, w2; |
3118 |
row_col_t bound; |
3119 |
text_t *stp; |
3120 |
rend_t *srp; |
3121 |
|
3122 |
if (dirn == UP) |
3123 |
{ |
3124 |
bound.row = top_row - 1; |
3125 |
bound.col = 0; |
3126 |
dirnadd = -1; |
3127 |
} |
3128 |
else |
3129 |
{ |
3130 |
bound.row = nrow; |
3131 |
bound.col = ncol - 1; |
3132 |
dirnadd = 1; |
3133 |
} |
3134 |
|
3135 |
row = mark->row; |
3136 |
col = max (mark->col, 0); |
3137 |
|
3138 |
/* find the edge of a word */ |
3139 |
stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp); |
3140 |
srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp); |
3141 |
|
3142 |
for (;;) |
3143 |
{ |
3144 |
for (; col != bound.col; col += dirnadd) |
3145 |
{ |
3146 |
stp += dirnadd; |
3147 |
srp += dirnadd; |
3148 |
|
3149 |
if (*stp == NOCHAR) |
3150 |
continue; |
3151 |
|
3152 |
if (DELIMIT_TEXT (*stp) != w1) |
3153 |
break; |
3154 |
if (DELIMIT_REND (*srp) != w2) |
3155 |
break; |
3156 |
} |
3157 |
|
3158 |
if ((col == bound.col) && (row != bound.row)) |
3159 |
{ |
3160 |
if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ()) |
3161 |
{ |
3162 |
trow = row + dirnadd; |
3163 |
tcol = dirn == UP ? ncol - 1 : 0; |
3164 |
|
3165 |
if (!ROW(trow).t) |
3166 |
break; |
3167 |
|
3168 |
stp = ROW(trow).t + tcol; |
3169 |
srp = ROW(trow).r + tcol; |
3170 |
|
3171 |
if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) |
3172 |
break; |
3173 |
|
3174 |
row = trow; |
3175 |
col = tcol; |
3176 |
continue; |
3177 |
} |
3178 |
} |
3179 |
break; |
3180 |
} |
3181 |
|
3182 |
if (dirn == DN) |
3183 |
col++; /* put us on one past the end */ |
3184 |
|
3185 |
/* Poke the values back in */ |
3186 |
ret->row = row; |
3187 |
ret->col = col; |
3188 |
} |
3189 |
|
3190 |
/* ------------------------------------------------------------------------- */ |
3191 |
/* |
3192 |
* Extend the selection to the specified x/y pixel location |
3193 |
* EXT: button 3 press; button 1 or 3 drag |
3194 |
* flag == 0 ==> button 1 |
3195 |
* flag == 1 ==> button 3 press |
3196 |
* flag == 2 ==> button 3 motion |
3197 |
*/ |
3198 |
void |
3199 |
rxvt_term::selection_extend (int x, int y, int flag) |
3200 |
{ |
3201 |
int col = clamp (Pixel2Col (x), 0, ncol); |
3202 |
int row = clamp (Pixel2Row (y), 0, nrow - 1); |
3203 |
|
3204 |
/* |
3205 |
* If we're selecting characters (single click) then we must check first |
3206 |
* if we are at the same place as the original mark. If we are then |
3207 |
* select nothing. Otherwise, if we're to the right of the mark, you have to |
3208 |
* be _past_ a character for it to be selected. |
3209 |
*/ |
3210 |
if (((selection.clicks % 3) == 1) && !flag |
3211 |
&& (col == selection.mark.col |
3212 |
&& (row == selection.mark.row - view_start))) |
3213 |
{ |
3214 |
/* select nothing */ |
3215 |
selection.beg.row = selection.end.row = 0; |
3216 |
selection.beg.col = selection.end.col = 0; |
3217 |
selection.clicks = 4; |
3218 |
want_refresh = 1; |
3219 |
return; |
3220 |
} |
3221 |
|
3222 |
if (selection.clicks == 4) |
3223 |
selection.clicks = 1; |
3224 |
|
3225 |
selection_extend_colrow (col, row, !!flag, /* ? button 3 */ |
3226 |
flag == 1 ? 1 : 0, /* ? button press */ |
3227 |
0); /* no click change */ |
3228 |
} |
3229 |
|
3230 |
/* ------------------------------------------------------------------------- */ |
3231 |
/* |
3232 |
* Extend the selection to the specified col/row |
3233 |
*/ |
3234 |
void |
3235 |
rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) |
3236 |
{ |
3237 |
row_col_t pos; |
3238 |
enum { |
3239 |
LEFT, RIGHT |
3240 |
} closeto = RIGHT; |
3241 |
|
3242 |
want_refresh = 1; |
3243 |
|
3244 |
switch (selection.op) |
3245 |
{ |
3246 |
case SELECTION_INIT: |
3247 |
CLEAR_SELECTION (); |
3248 |
selection.op = SELECTION_BEGIN; |
3249 |
/* FALLTHROUGH */ |
3250 |
case SELECTION_BEGIN: |
3251 |
if (row != selection.mark.row || col != selection.mark.col |
3252 |
|| (!button3 && buttonpress)) |
3253 |
selection.op = SELECTION_CONT; |
3254 |
break; |
3255 |
case SELECTION_DONE: |
3256 |
selection.op = SELECTION_CONT; |
3257 |
/* FALLTHROUGH */ |
3258 |
case SELECTION_CONT: |
3259 |
break; |
3260 |
case SELECTION_CLEAR: |
3261 |
selection_start_colrow (col, row); |
3262 |
/* FALLTHROUGH */ |
3263 |
default: |
3264 |
return; |
3265 |
} |
3266 |
|
3267 |
if (selection.beg.col == selection.end.col |
3268 |
&& selection.beg.col != selection.mark.col |
3269 |
&& selection.beg.row == selection.end.row |
3270 |
&& selection.beg.row != selection.mark.row) |
3271 |
{ |
3272 |
selection.beg.col = selection.end.col = selection.mark.col; |
3273 |
selection.beg.row = selection.end.row = selection.mark.row; |
3274 |
} |
3275 |
|
3276 |
pos.col = col; |
3277 |
pos.row = view_start + row; |
3278 |
|
3279 |
/* |
3280 |
* This is mainly xterm style selection with a couple of differences, mainly |
3281 |
* in the way button3 drag extension works. |
3282 |
* We're either doing: button1 drag; button3 press; or button3 drag |
3283 |
* a) button1 drag : select around a midpoint/word/line - that point/word/line |
3284 |
* is always at the left/right edge of the selection. |
3285 |
* b) button3 press: extend/contract character/word/line at whichever edge of |
3286 |
* the selection we are closest to. |
3287 |
* c) button3 drag : extend/contract character/word/line - we select around |
3288 |
* a point/word/line which is either the start or end of the selection |
3289 |
* and it was decided by whichever point/word/line was `fixed' at the |
3290 |
* time of the most recent button3 press |
3291 |
*/ |
3292 |
if (button3 && buttonpress) |
3293 |
{ /* button3 press */ |
3294 |
/* |
3295 |
* first determine which edge of the selection we are closest to |
3296 |
*/ |
3297 |
if (ROWCOL_IS_BEFORE (pos, selection.beg) |
3298 |
|| (!ROWCOL_IS_AFTER (pos, selection.end) |
3299 |
&& (((pos.col - selection.beg.col) |
3300 |
+ ((pos.row - selection.beg.row) * ncol)) |
3301 |
< ((selection.end.col - pos.col) |
3302 |
+ ((selection.end.row - pos.row) * ncol))))) |
3303 |
closeto = LEFT; |
3304 |
|
3305 |
if (closeto == LEFT) |
3306 |
{ |
3307 |
selection.beg.row = pos.row; |
3308 |
selection.beg.col = pos.col; |
3309 |
selection.mark.row = selection.end.row; |
3310 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3311 |
} |
3312 |
else |
3313 |
{ |
3314 |
selection.end.row = pos.row; |
3315 |
selection.end.col = pos.col; |
3316 |
selection.mark.row = selection.beg.row; |
3317 |
selection.mark.col = selection.beg.col; |
3318 |
} |
3319 |
} |
3320 |
else |
3321 |
{ /* button1 drag or button3 drag */ |
3322 |
if (ROWCOL_IS_AFTER (selection.mark, pos)) |
3323 |
{ |
3324 |
if (selection.mark.row == selection.end.row |
3325 |
&& selection.mark.col == selection.end.col |
3326 |
&& clickchange |
3327 |
&& selection.clicks == 2) |
3328 |
selection.mark.col--; |
3329 |
|
3330 |
selection.beg.row = pos.row; |
3331 |
selection.beg.col = pos.col; |
3332 |
selection.end.row = selection.mark.row; |
3333 |
selection.end.col = selection.mark.col + (selection.clicks == 2); |
3334 |
} |
3335 |
else |
3336 |
{ |
3337 |
selection.beg.row = selection.mark.row; |
3338 |
selection.beg.col = selection.mark.col; |
3339 |
selection.end.row = pos.row; |
3340 |
selection.end.col = pos.col; |
3341 |
} |
3342 |
} |
3343 |
|
3344 |
if (selection.clicks == 1) |
3345 |
{ |
3346 |
if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN |
3347 |
&& !ROW(selection.beg.row).is_longer () |
3348 |
#if ENABLE_FRILLS |
3349 |
&& !selection.rect |
3350 |
#endif |
3351 |
) |
3352 |
selection.beg.col = ncol; |
3353 |
|
3354 |
if ( |
3355 |
selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN |
3356 |
&& !ROW(selection.end.row).is_longer () |
3357 |
#if ENABLE_FRILLS |
3358 |
&& !selection.rect |
3359 |
#endif |
3360 |
) |
3361 |
selection.end.col = ncol; |
3362 |
} |
3363 |
else if (selection.clicks == 2) |
3364 |
{ |
3365 |
if (ROWCOL_IS_AFTER (selection.end, selection.beg)) |
3366 |
selection.end.col--; |
3367 |
|
3368 |
selection_delimit_word (UP, &selection.beg, &selection.beg); |
3369 |
selection_delimit_word (DN, &selection.end, &selection.end); |
3370 |
} |
3371 |
else if (selection.clicks == 3) |
3372 |
{ |
3373 |
#if ENABLE_FRILLS |
3374 |
if (OPTION (Opt_tripleclickwords)) |
3375 |
{ |
3376 |
selection_delimit_word (UP, &selection.beg, &selection.beg); |
3377 |
|
3378 |
for (int end_row = selection.mark.row; end_row < nrow; end_row++) |
3379 |
{ |
3380 |
if (!ROW(end_row).is_longer ()) |
3381 |
{ |
3382 |
selection.end.row = end_row; |
3383 |
selection.end.col = ROW(end_row).l; |
3384 |
selection_remove_trailing_spaces (); |
3385 |
break; |
3386 |
} |
3387 |
} |
3388 |
} |
3389 |
else |
3390 |
#endif |
3391 |
{ |
3392 |
if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) |
3393 |
selection.mark.col++; |
3394 |
|
3395 |
selection.beg.col = 0; |
3396 |
selection.end.col = ncol; |
3397 |
|
3398 |
// select a complete logical line |
3399 |
while (selection.beg.row > -saveLines |
3400 |
&& ROW(selection.beg.row - 1).is_longer ()) |
3401 |
selection.beg.row--; |
3402 |
|
3403 |
while (selection.end.row < nrow |
3404 |
&& ROW(selection.end.row).is_longer ()) |
3405 |
selection.end.row++; |
3406 |
} |
3407 |
} |
3408 |
|
3409 |
if (button3 && buttonpress) |
3410 |
{ /* mark may need to be changed */ |
3411 |
if (closeto == LEFT) |
3412 |
{ |
3413 |
selection.mark.row = selection.end.row; |
3414 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3415 |
} |
3416 |
else |
3417 |
{ |
3418 |
selection.mark.row = selection.beg.row; |
3419 |
selection.mark.col = selection.beg.col; |
3420 |
} |
3421 |
} |
3422 |
|
3423 |
#if ENABLE_FRILLS |
3424 |
if (selection.rect && selection.beg.col > selection.end.col) |
3425 |
::swap (selection.beg.col, selection.end.col); |
3426 |
#endif |
3427 |
} |
3428 |
|
3429 |
#if ENABLE_FRILLS |
3430 |
void |
3431 |
rxvt_term::selection_remove_trailing_spaces () |
3432 |
{ |
3433 |
int32_t end_col, end_row; |
3434 |
text_t *stp; |
3435 |
|
3436 |
end_col = selection.end.col; |
3437 |
end_row = selection.end.row; |
3438 |
|
3439 |
for (; end_row >= selection.beg.row; ) |
3440 |
{ |
3441 |
stp = ROW(end_row).t; |
3442 |
|
3443 |
while (--end_col >= 0) |
3444 |
{ |
3445 |
if (stp[end_col] != NOCHAR |
3446 |
&& !unicode::is_space (stp[end_col])) |
3447 |
break; |
3448 |
} |
3449 |
|
3450 |
if (end_col >= 0 |
3451 |
|| !ROW(end_row - 1).is_longer ()) |
3452 |
{ |
3453 |
selection.end.col = end_col + 1; |
3454 |
selection.end.row = end_row; |
3455 |
break; |
3456 |
} |
3457 |
|
3458 |
end_row--; |
3459 |
end_col = ncol; |
3460 |
} |
3461 |
|
3462 |
if (selection.mark.row > selection.end.row) |
3463 |
{ |
3464 |
selection.mark.row = selection.end.row; |
3465 |
selection.mark.col = selection.end.col; |
3466 |
} |
3467 |
else if (selection.mark.row == selection.end.row |
3468 |
&& selection.mark.col > selection.end.col) |
3469 |
selection.mark.col = selection.end.col; |
3470 |
} |
3471 |
#endif |
3472 |
|
3473 |
/* ------------------------------------------------------------------------- */ |
3474 |
/* |
3475 |
* Double click on button 3 when already selected |
3476 |
* EXT: button 3 double click |
3477 |
*/ |
3478 |
void |
3479 |
rxvt_term::selection_rotate (int x, int y) |
3480 |
{ |
3481 |
selection.clicks = selection.clicks % 3 + 1; |
3482 |
selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); |
3483 |
} |
3484 |
|
3485 |
/* ------------------------------------------------------------------------- */ |
3486 |
/* |
3487 |
* Respond to a request for our current selection |
3488 |
* EXT: SelectionRequest |
3489 |
*/ |
3490 |
void |
3491 |
rxvt_term::selection_send (const XSelectionRequestEvent &rq) |
3492 |
{ |
3493 |
XSelectionEvent ev; |
3494 |
dDisp; |
3495 |
|
3496 |
ev.type = SelectionNotify; |
3497 |
ev.property = None; |
3498 |
ev.display = rq.display; |
3499 |
ev.requestor = rq.requestor; |
3500 |
ev.selection = rq.selection; |
3501 |
ev.target = rq.target; |
3502 |
ev.time = rq.time; |
3503 |
|
3504 |
if (rq.target == xa[XA_TARGETS]) |
3505 |
{ |
3506 |
Atom target_list[6]; |
3507 |
Atom *target = target_list; |
3508 |
|
3509 |
*target++ = xa[XA_TARGETS]; |
3510 |
*target++ = xa[XA_TIMESTAMP]; |
3511 |
*target++ = XA_STRING; |
3512 |
*target++ = xa[XA_TEXT]; |
3513 |
*target++ = xa[XA_COMPOUND_TEXT]; |
3514 |
#if X_HAVE_UTF8_STRING |
3515 |
*target++ = xa[XA_UTF8_STRING]; |
3516 |
#endif |
3517 |
|
3518 |
XChangeProperty (disp, rq.requestor, rq.property, XA_ATOM, |
3519 |
32, PropModeReplace, |
3520 |
(unsigned char *)target_list, target - target_list); |
3521 |
ev.property = rq.property; |
3522 |
} |
3523 |
#if TODO // TODO |
3524 |
else if (rq.target == xa[XA_MULTIPLE]) |
3525 |
{ |
3526 |
/* TODO: Handle MULTIPLE */ |
3527 |
} |
3528 |
#endif |
3529 |
else if (rq.target == xa[XA_TIMESTAMP] && selection.text) |
3530 |
{ |
3531 |
XChangeProperty (disp, rq.requestor, rq.property, rq.target, |
3532 |
32, PropModeReplace, (unsigned char *)&selection_time, 1); |
3533 |
ev.property = rq.property; |
3534 |
} |
3535 |
else if (rq.target == XA_STRING |
3536 |
|| rq.target == xa[XA_TEXT] |
3537 |
|| rq.target == xa[XA_COMPOUND_TEXT] |
3538 |
|| rq.target == xa[XA_UTF8_STRING] |
3539 |
) |
3540 |
{ |
3541 |
XTextProperty ct; |
3542 |
Atom target = rq.target; |
3543 |
short freect = 0; |
3544 |
int selectlen; |
3545 |
wchar_t *cl; |
3546 |
enum { |
3547 |
enc_string = XStringStyle, |
3548 |
enc_text = XStdICCTextStyle, |
3549 |
enc_compound_text = XCompoundTextStyle, |
3550 |
#ifdef X_HAVE_UTF8_STRING |
3551 |
enc_utf8 = XUTF8StringStyle, |
3552 |
#else |
3553 |
enc_utf8 = -1, |
3554 |
#endif |
3555 |
} style; |
3556 |
|
3557 |
if (target == XA_STRING) |
3558 |
// we actually don't do XA_STRING, but who cares, as i18n clients |
3559 |
// will ask for another format anyways. |
3560 |
style = enc_string; |
3561 |
else if (target == xa[XA_TEXT]) |
3562 |
style = enc_text; |
3563 |
else if (target == xa[XA_COMPOUND_TEXT]) |
3564 |
style = enc_compound_text; |
3565 |
#if ENABLE_FRILLS |
3566 |
else if (target == xa[XA_UTF8_STRING]) |
3567 |
style = enc_utf8; |
3568 |
#endif |
3569 |
else |
3570 |
{ |
3571 |
target = xa[XA_COMPOUND_TEXT]; |
3572 |
style = enc_compound_text; |
3573 |
} |
3574 |
|
3575 |
if (selection.text) |
3576 |
{ |
3577 |
cl = selection.text; |
3578 |
selectlen = selection.len; |
3579 |
} |
3580 |
else |
3581 |
{ |
3582 |
cl = L""; |
3583 |
selectlen = 0; |
3584 |
} |
3585 |
|
3586 |
#if ENABLE_FRILLS |
3587 |
// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it |
3588 |
// so recode it manually |
3589 |
if (style == enc_utf8) |
3590 |
{ |
3591 |
freect = 1; |
3592 |
ct.encoding = target; |
3593 |
ct.format = 8; |
3594 |
ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen); |
3595 |
ct.nitems = strlen ((char *)ct.value); |
3596 |
} |
3597 |
else |
3598 |
#endif |
3599 |
if (XwcTextListToTextProperty (disp, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0) |
3600 |
freect = 1; |
3601 |
else |
3602 |
{ |
3603 |
/* if we failed to convert then send it raw */ |
3604 |
ct.value = (unsigned char *)cl; |
3605 |
ct.nitems = selectlen; |
3606 |
ct.encoding = target; |
3607 |
} |
3608 |
|
3609 |
XChangeProperty (disp, rq.requestor, rq.property, |
3610 |
ct.encoding, 8, PropModeReplace, |
3611 |
ct.value, (int)ct.nitems); |
3612 |
ev.property = rq.property; |
3613 |
|
3614 |
if (freect) |
3615 |
XFree (ct.value); |
3616 |
} |
3617 |
|
3618 |
XSendEvent (disp, rq.requestor, False, 0L, (XEvent *)&ev); |
3619 |
} |
3620 |
|
3621 |
/* ------------------------------------------------------------------------- * |
3622 |
* MOUSE ROUTINES * |
3623 |
* ------------------------------------------------------------------------- */ |
3624 |
|
3625 |
/* |
3626 |
* return col/row values corresponding to x/y pixel values |
3627 |
*/ |
3628 |
void |
3629 |
rxvt_term::pixel_position (int *x, int *y) |
3630 |
{ |
3631 |
*x = Pixel2Col (*x); |
3632 |
/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */ |
3633 |
*y = Pixel2Row (*y); |
3634 |
/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */ |
3635 |
} |
3636 |
|
3637 |
/* ------------------------------------------------------------------------- */ |
3638 |
#ifdef USE_XIM |
3639 |
void |
3640 |
rxvt_term::im_set_position (XPoint &pos) |
3641 |
{ |
3642 |
XWindowAttributes xwa; |
3643 |
|
3644 |
XGetWindowAttributes (display->display, vt, &xwa); |
3645 |
|
3646 |
pos.x = xwa.x + Col2Pixel (screen.cur.col); |
3647 |
pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase; |
3648 |
} |
3649 |
#endif |
3650 |
|
3651 |
#if ENABLE_OVERLAY |
3652 |
void |
3653 |
rxvt_term::scr_overlay_new (int x, int y, int w, int h) |
3654 |
{ |
3655 |
if (nrow < 1 || ncol < 1) |
3656 |
return; |
3657 |
|
3658 |
want_refresh = 1; |
3659 |
|
3660 |
scr_overlay_off (); |
3661 |
|
3662 |
if (x < 0) x = ncol - w; |
3663 |
if (y < 0) y = nrow - h; |
3664 |
|
3665 |
// make space for border |
3666 |
w += 2; min_it (w, ncol); |
3667 |
h += 2; min_it (h, nrow); |
3668 |
|
3669 |
x -= 1; clamp_it (x, 0, ncol - w); |
3670 |
y -= 1; clamp_it (y, 0, nrow - h); |
3671 |
|
3672 |
ov_x = x; ov_y = y; |
3673 |
ov_w = w; ov_h = h; |
3674 |
|
3675 |
ov_text = new text_t *[h]; |
3676 |
ov_rend = new rend_t *[h]; |
3677 |
|
3678 |
for (y = 0; y < h; y++) |
3679 |
{ |
3680 |
text_t *tp = ov_text[y] = new text_t[w]; |
3681 |
rend_t *rp = ov_rend[y] = new rend_t[w]; |
3682 |
|
3683 |
text_t t0, t1, t2; |
3684 |
rend_t r = OVERLAY_RSTYLE; |
3685 |
|
3686 |
if (y == 0) |
3687 |
t0 = 0x2554, t1 = 0x2550, t2 = 0x2557; |
3688 |
else if (y < h - 1) |
3689 |
t0 = 0x2551, t1 = 0x0020, t2 = 0x2551; |
3690 |
else |
3691 |
t0 = 0x255a, t1 = 0x2550, t2 = 0x255d; |
3692 |
|
3693 |
*tp++ = t0; |
3694 |
*rp++ = r; |
3695 |
|
3696 |
for (x = w - 2; x > 0; --x) |
3697 |
{ |
3698 |
*tp++ = t1; |
3699 |
*rp++ = r; |
3700 |
} |
3701 |
|
3702 |
*tp = t2; |
3703 |
*rp = r; |
3704 |
} |
3705 |
} |
3706 |
|
3707 |
void |
3708 |
rxvt_term::scr_overlay_off () |
3709 |
{ |
3710 |
if (!ov_text) |
3711 |
return; |
3712 |
|
3713 |
want_refresh = 1; |
3714 |
|
3715 |
for (int y = 0; y < ov_h; y++) |
3716 |
{ |
3717 |
delete [] ov_text[y]; |
3718 |
delete [] ov_rend[y]; |
3719 |
} |
3720 |
|
3721 |
delete [] ov_text; ov_text = 0; |
3722 |
delete [] ov_rend; ov_rend = 0; |
3723 |
} |
3724 |
|
3725 |
void |
3726 |
rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) |
3727 |
{ |
3728 |
if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) |
3729 |
return; |
3730 |
|
3731 |
x++, y++; |
3732 |
|
3733 |
ov_text[y][x] = text; |
3734 |
ov_rend[y][x] = rend; |
3735 |
} |
3736 |
|
3737 |
void |
3738 |
rxvt_term::scr_overlay_set (int x, int y, const char *s) |
3739 |
{ |
3740 |
while (*s) |
3741 |
scr_overlay_set (x++, y, *s++); |
3742 |
} |
3743 |
|
3744 |
void |
3745 |
rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) |
3746 |
{ |
3747 |
while (*s) |
3748 |
{ |
3749 |
text_t t = *s++; |
3750 |
int width = wcwidth (t); |
3751 |
|
3752 |
while (width--) |
3753 |
{ |
3754 |
scr_overlay_set (x++, y, t); |
3755 |
t = NOCHAR; |
3756 |
} |
3757 |
} |
3758 |
} |
3759 |
|
3760 |
void |
3761 |
rxvt_term::scr_swap_overlay () |
3762 |
{ |
3763 |
if (!ov_text) |
3764 |
return; |
3765 |
|
3766 |
// swap screen mem with overlay |
3767 |
for (int y = ov_h; y--; ) |
3768 |
{ |
3769 |
text_t *t1 = ov_text[y]; |
3770 |
rend_t *r1 = ov_rend[y]; |
3771 |
|
3772 |
text_t *t2 = ROW(y + ov_y + view_start).t + ov_x; |
3773 |
rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x; |
3774 |
|
3775 |
for (int x = ov_w; x--; ) |
3776 |
{ |
3777 |
text_t t = *t1; *t1++ = *t2; *t2++ = t; |
3778 |
rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); |
3779 |
} |
3780 |
} |
3781 |
} |
3782 |
|
3783 |
#endif |
3784 |
/* ------------------------------------------------------------------------- */ |
3785 |
|