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/*---------------------------------------------------------------------------* |
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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) 2003-2007 Marc Lehmann <schmorp@schmorp.de> |
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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 <inttypes.h> |
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|
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static inline void |
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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 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_CHARS: clear <num> chars starting from pixel position <x,y> |
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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 (dpy, vt, 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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/* ------------------------------------------------------------------------- * |
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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) const NOTHROW |
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{ |
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if (!l.valid ()) |
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{ |
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l.alloc (); |
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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; // remove italic etc. fontstyles |
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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) const NOTHROW |
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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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// nuke a single wide character at the given column |
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void |
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rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW |
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{ |
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// find begin |
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while (col > 0 && l.t[col] == NOCHAR) |
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col--; |
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|
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rend_t rend = l.r[col] & ~RS_baseattrMask; |
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rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); |
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|
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l.touch (); |
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|
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// found start, nuke |
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do { |
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l.t[col] = ' '; |
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l.r[col] = rend; |
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col++; |
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} while (col < ncol && l.t[col] == NOCHAR); |
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} |
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|
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// set the rendition of a single wide character beginning at the given column |
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void |
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rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend) |
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{ |
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do { |
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l.r[col] = rend; |
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col++; |
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} while (col < ncol && l.t[col] == NOCHAR); |
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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_alloc () NOTHROW |
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{ |
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int tsize = sizeof (text_t) * ncol; |
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int rsize = sizeof (rend_t) * ncol; |
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|
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// we assume that rend_t size is a sufficient alignment |
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// factor for text_t and line_t values, and we only |
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// need to adjust tsize. |
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tsize = (tsize + sizeof (rend_t) - 1); |
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tsize -= tsize % sizeof (rend_t); |
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|
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int all_rows = total_rows + nrow + nrow; |
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|
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chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows; |
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chunk = chunk_alloc (chunk_size, 0); |
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|
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char *base = (char *)chunk + sizeof (line_t) * all_rows; |
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|
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for (int row = 0; row < all_rows; ++row) |
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{ |
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line_t &l = ((line_t *)chunk) [row]; |
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|
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l.t = (text_t *)base; base += tsize; |
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l.r = (rend_t *)base; base += rsize; |
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l.l = -1; |
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l.f = 0; |
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} |
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|
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drawn_buf = (line_t *)chunk; |
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swap_buf = drawn_buf + nrow; |
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row_buf = swap_buf + nrow; |
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} |
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|
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void |
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rxvt_term::copy_line (line_t &dst, line_t &src) |
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{ |
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scr_blank_screen_mem (dst, DEFAULT_RSTYLE); |
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dst.l = min (src.l, ncol); |
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memcpy (dst.t, src.t, sizeof (text_t) * dst.l); |
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memcpy (dst.r, src.r, sizeof (rend_t) * dst.l); |
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dst.f = src.f; |
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} |
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|
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void ecb_cold |
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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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while (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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void *prev_chunk = chunk; |
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size_t prev_chunk_size = chunk_size; |
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line_t *prev_drawn_buf = drawn_buf; |
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line_t *prev_swap_buf = swap_buf; |
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line_t *prev_row_buf = row_buf; |
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|
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scr_alloc (); |
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|
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if (!prev_row_buf) |
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{ |
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/* |
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* first time called (or after scr_release) so just malloc everything: don't rely on realloc |
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*/ |
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top_row = 0; |
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term_start = 0; |
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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 |
274 |
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 |
281 |
|
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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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selection.clip_text = NULL; |
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selection.clip_len = 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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int common_col = min (prev_ncol, ncol); |
297 |
|
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for (int row = min (nrow, prev_nrow); row--; ) |
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{ |
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scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE); |
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memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col); |
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memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col); |
303 |
|
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copy_line (swap_buf [row], prev_swap_buf [row]); |
305 |
} |
306 |
|
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int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row |
308 |
int pend = MOD (term_start + top_row , prev_total_rows); |
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int q = total_rows; // rewrapped row |
310 |
|
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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. |
315 |
// TODO: maybe optimise when width didn't change |
316 |
|
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row_col_t ocur = screen.cur; |
318 |
ocur.row = MOD (term_start + ocur.row, prev_total_rows); |
319 |
|
320 |
do |
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{ |
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p = MOD (p - 1, prev_total_rows); |
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assert (prev_row_buf [MOD (p, prev_total_rows)].t); |
324 |
int plines = 1; |
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int llen = prev_row_buf [MOD (p, prev_total_rows)].l; |
326 |
|
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while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ()) |
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{ |
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p = MOD (p - 1, prev_total_rows); |
330 |
|
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plines++; |
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llen += prev_ncol; |
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} |
334 |
|
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int qlines = max (0, (llen - 1) / ncol) + 1; |
336 |
|
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// drop partial lines completely |
338 |
if (q < qlines) |
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break; |
340 |
|
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q -= qlines; |
342 |
|
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int lofs = 0; |
344 |
line_t *qline; |
345 |
|
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// re-assemble the full line by destination lines |
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for (int qrow = q; qlines--; qrow++) |
348 |
{ |
349 |
qline = row_buf + qrow; |
350 |
qline->alloc (); // redundant with next line |
351 |
qline->l = ncol; |
352 |
qline->is_longer (1); |
353 |
|
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int qcol = 0; |
355 |
|
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// see below for cursor adjustment rationale |
357 |
if (p == ocur.row) |
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screen.cur.row = q - (total_rows - nrow); |
359 |
|
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// fill a single destination line |
361 |
while (lofs < llen && qcol < ncol) |
362 |
{ |
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int prow = lofs / prev_ncol; |
364 |
int pcol = lofs % prev_ncol; |
365 |
|
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prow = MOD (p + prow, prev_total_rows); |
367 |
|
368 |
// we only adjust the cursor _row_ and put it into |
369 |
// the topmost line of "long line" it was in, as |
370 |
// this seems to upset applications/shells/readline |
371 |
// least. |
372 |
if (prow == ocur.row) |
373 |
screen.cur.row = q - (total_rows - nrow); |
374 |
|
375 |
line_t &pline = prev_row_buf [prow]; |
376 |
|
377 |
int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); |
378 |
|
379 |
memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); |
380 |
memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); |
381 |
|
382 |
lofs += len; |
383 |
qcol += len; |
384 |
} |
385 |
} |
386 |
|
387 |
qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; |
388 |
qline->is_longer (0); |
389 |
scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); |
390 |
} |
391 |
while (p != pend && q > 0); |
392 |
|
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term_start = total_rows - nrow; |
394 |
top_row = q - term_start; |
395 |
|
396 |
// make sure all terminal lines exist |
397 |
while (top_row > 0) |
398 |
scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE); |
399 |
} |
400 |
else |
401 |
{ |
402 |
// if no scrollback exists (yet), wing, instead of wrap |
403 |
|
404 |
for (int row = min (nrow, prev_nrow); row--; ) |
405 |
{ |
406 |
line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)]; |
407 |
line_t &dst = row_buf [row]; |
408 |
|
409 |
copy_line (dst, src); |
410 |
} |
411 |
|
412 |
for (int row = prev_nrow; row < nrow; row++) |
413 |
scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); |
414 |
|
415 |
term_start = 0; |
416 |
} |
417 |
|
418 |
clamp_it (screen.cur.row, 0, nrow - 1); |
419 |
clamp_it (screen.cur.col, 0, ncol - 1); |
420 |
} |
421 |
|
422 |
for (int row = nrow; row--; ) |
423 |
{ |
424 |
if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); |
425 |
if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); |
426 |
if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE); |
427 |
} |
428 |
|
429 |
chunk_free (prev_chunk, prev_chunk_size); |
430 |
|
431 |
free (tabs); |
432 |
tabs = (char *)rxvt_malloc (ncol); |
433 |
|
434 |
for (int col = ncol; col--; ) |
435 |
tabs [col] = col % TABSIZE == 0; |
436 |
|
437 |
CLEAR_ALL_SELECTION (); |
438 |
|
439 |
prev_nrow = nrow; |
440 |
prev_ncol = ncol; |
441 |
|
442 |
tt_winch (); |
443 |
|
444 |
HOOK_INVOKE ((this, HOOK_RESET, DT_END)); |
445 |
} |
446 |
|
447 |
void ecb_cold |
448 |
rxvt_term::scr_release () NOTHROW |
449 |
{ |
450 |
chunk_free (chunk, chunk_size); |
451 |
chunk = 0; |
452 |
row_buf = 0; |
453 |
|
454 |
free (tabs); |
455 |
tabs = 0; |
456 |
} |
457 |
|
458 |
/* ------------------------------------------------------------------------- */ |
459 |
/* |
460 |
* Hard/Soft reset |
461 |
*/ |
462 |
void ecb_cold |
463 |
rxvt_term::scr_poweron () |
464 |
{ |
465 |
scr_release (); |
466 |
|
467 |
prev_nrow = prev_ncol = 0; |
468 |
rvideo_mode = false; |
469 |
scr_soft_reset (); |
470 |
scr_reset (); |
471 |
|
472 |
scr_clear (true); |
473 |
scr_refresh (); |
474 |
} |
475 |
|
476 |
void ecb_cold |
477 |
rxvt_term::scr_soft_reset () NOTHROW |
478 |
{ |
479 |
/* only affects modes, nothing drastic such as clearing the screen */ |
480 |
#if ENABLE_OVERLAY |
481 |
scr_overlay_off (); |
482 |
#endif |
483 |
|
484 |
if (current_screen != PRIMARY) |
485 |
scr_swap_screen (); |
486 |
|
487 |
scr_scroll_region (0, MAX_ROWS - 1); |
488 |
scr_rendition (0, ~RS_None); |
489 |
scr_insert_mode (0); |
490 |
} |
491 |
|
492 |
/* ------------------------------------------------------------------------- * |
493 |
* PROCESS SCREEN COMMANDS * |
494 |
* ------------------------------------------------------------------------- */ |
495 |
/* |
496 |
* Save and Restore cursor |
497 |
* XTERM_SEQ: Save cursor : ESC 7 |
498 |
* XTERM_SEQ: Restore cursor: ESC 8 |
499 |
*/ |
500 |
void |
501 |
rxvt_term::scr_cursor (cursor_mode mode) NOTHROW |
502 |
{ |
503 |
screen_t *s; |
504 |
|
505 |
#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) |
506 |
if (current_screen == SECONDARY) |
507 |
s = &swap; |
508 |
else |
509 |
#endif |
510 |
s = &screen; |
511 |
|
512 |
switch (mode) |
513 |
{ |
514 |
case SAVE: |
515 |
s->s_cur.row = screen.cur.row; |
516 |
s->s_cur.col = screen.cur.col; |
517 |
s->s_rstyle = rstyle; |
518 |
s->s_charset = screen.charset; |
519 |
s->s_charset_char = charsets[screen.charset]; |
520 |
break; |
521 |
|
522 |
case RESTORE: |
523 |
want_refresh = 1; |
524 |
screen.cur.row = s->s_cur.row; |
525 |
screen.cur.col = s->s_cur.col; |
526 |
screen.flags &= ~Screen_WrapNext; |
527 |
rstyle = s->s_rstyle; |
528 |
screen.charset = s->s_charset; |
529 |
charsets[screen.charset] = s->s_charset_char; |
530 |
set_font_style (); |
531 |
break; |
532 |
} |
533 |
|
534 |
/* boundary check in case screen size changed between SAVE and RESTORE */ |
535 |
min_it (s->cur.row, nrow - 1); |
536 |
min_it (s->cur.col, ncol - 1); |
537 |
assert (s->cur.row >= 0); |
538 |
assert (s->cur.col >= 0); |
539 |
} |
540 |
|
541 |
void |
542 |
rxvt_term::scr_swap_screen () NOTHROW |
543 |
{ |
544 |
if (!option (Opt_secondaryScreen)) |
545 |
return; |
546 |
|
547 |
for (int i = prev_nrow; i--; ) |
548 |
::swap (ROW(i), swap_buf [i]); |
549 |
|
550 |
::swap (screen.cur, swap.cur); |
551 |
|
552 |
screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1); |
553 |
screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1); |
554 |
} |
555 |
|
556 |
/* ------------------------------------------------------------------------- */ |
557 |
/* |
558 |
* Swap between primary and secondary screens |
559 |
* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h |
560 |
* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l |
561 |
*/ |
562 |
void |
563 |
rxvt_term::scr_change_screen (int scrn) |
564 |
{ |
565 |
if (scrn == current_screen) |
566 |
return; |
567 |
|
568 |
want_refresh = 1; |
569 |
view_start = 0; |
570 |
|
571 |
/* check for boundary cross */ |
572 |
row_col_t pos; |
573 |
pos.row = pos.col = 0; |
574 |
if (ROWCOL_IS_BEFORE (selection.beg, pos) |
575 |
&& ROWCOL_IS_AFTER (selection.end, pos)) |
576 |
CLEAR_SELECTION (); |
577 |
|
578 |
current_screen = scrn; |
579 |
|
580 |
#if NSCREENS |
581 |
if (option (Opt_secondaryScreen)) |
582 |
{ |
583 |
num_scr = 0; |
584 |
|
585 |
scr_swap_screen (); |
586 |
|
587 |
::swap (screen.charset, swap.charset); |
588 |
::swap (screen.flags, swap.flags); |
589 |
screen.flags |= Screen_VisibleCursor; |
590 |
swap.flags |= Screen_VisibleCursor; |
591 |
} |
592 |
else |
593 |
#endif |
594 |
if (option (Opt_secondaryScroll)) |
595 |
scr_scroll_text (0, prev_nrow - 1, prev_nrow); |
596 |
} |
597 |
|
598 |
// clear WrapNext indicator, solidifying position on next line |
599 |
void |
600 |
rxvt_term::scr_do_wrap () NOTHROW |
601 |
{ |
602 |
if (!(screen.flags & Screen_WrapNext)) |
603 |
return; |
604 |
|
605 |
screen.flags &= ~Screen_WrapNext; |
606 |
|
607 |
screen.cur.col = 0; |
608 |
|
609 |
if (screen.cur.row == screen.bscroll) |
610 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1); |
611 |
else if (screen.cur.row < nrow - 1) |
612 |
screen.cur.row++; |
613 |
} |
614 |
|
615 |
/* ------------------------------------------------------------------------- */ |
616 |
/* |
617 |
* Change the colour for following text |
618 |
*/ |
619 |
void |
620 |
rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW |
621 |
{ |
622 |
if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) |
623 |
color = fgbg; |
624 |
|
625 |
if (fgbg == Color_fg) |
626 |
rstyle = SET_FGCOLOR (rstyle, color); |
627 |
else |
628 |
rstyle = SET_BGCOLOR (rstyle, color); |
629 |
} |
630 |
|
631 |
/* ------------------------------------------------------------------------- */ |
632 |
/* |
633 |
* Change the rendition style for following text |
634 |
*/ |
635 |
void |
636 |
rxvt_term::scr_rendition (int set, int style) NOTHROW |
637 |
{ |
638 |
if (set) |
639 |
rstyle |= style; |
640 |
else if (style == ~RS_None) |
641 |
rstyle = DEFAULT_RSTYLE; |
642 |
else |
643 |
rstyle &= ~style; |
644 |
} |
645 |
|
646 |
/* ------------------------------------------------------------------------- */ |
647 |
/* |
648 |
* Scroll text between <row1> and <row2> inclusive, by <count> lines |
649 |
* count positive ==> scroll up |
650 |
* count negative ==> scroll down |
651 |
*/ |
652 |
int ecb_hot |
653 |
rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW |
654 |
{ |
655 |
if (count == 0 || (row1 > row2)) |
656 |
return 0; |
657 |
|
658 |
want_refresh = 1; |
659 |
num_scr += count; |
660 |
|
661 |
if (count > 0 |
662 |
&& row1 == 0 |
663 |
&& (current_screen == PRIMARY || option (Opt_secondaryScroll))) |
664 |
{ |
665 |
min_it (count, total_rows - (nrow - (row2 + 1))); |
666 |
|
667 |
top_row = max (top_row - count, -saveLines); |
668 |
|
669 |
// sever bottommost line |
670 |
{ |
671 |
line_t &l = ROW(row2); |
672 |
l.is_longer (0); |
673 |
l.touch (); |
674 |
} |
675 |
|
676 |
// scroll everything up 'count' lines |
677 |
term_start = (term_start + count) % total_rows; |
678 |
|
679 |
// now copy lines below the scroll region bottom to the |
680 |
// bottom of the screen again, so they look as if they |
681 |
// hadn't moved. |
682 |
for (int i = nrow; --i > row2; ) |
683 |
{ |
684 |
line_t &l1 = ROW(i - count); |
685 |
line_t &l2 = ROW(i); |
686 |
|
687 |
::swap (l1, l2); |
688 |
l2.touch (); |
689 |
} |
690 |
|
691 |
// erase newly scrolled-in lines |
692 |
for (int i = count; i--; ) |
693 |
{ |
694 |
line_t &l = ROW(row2 - i); |
695 |
|
696 |
// optimise if already cleared, can be significant on slow machines |
697 |
// could be rolled into scr_blank_screen_mem |
698 |
if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) |
699 |
{ |
700 |
scr_blank_line (l, 0, l.l, rstyle); |
701 |
l.l = 0; |
702 |
l.f = 0; |
703 |
} |
704 |
else |
705 |
scr_blank_screen_mem (l, rstyle); |
706 |
} |
707 |
|
708 |
// move and/or clear selection, if any |
709 |
if (selection.op && current_screen == selection.screen |
710 |
&& selection.beg.row <= row2) |
711 |
{ |
712 |
selection.beg.row -= count; |
713 |
selection.end.row -= count; |
714 |
selection.mark.row -= count; |
715 |
|
716 |
selection_check (0); |
717 |
} |
718 |
|
719 |
// finally move the view window, if desired |
720 |
if (option (Opt_scrollWithBuffer) |
721 |
&& view_start != 0 |
722 |
&& view_start != -saveLines) |
723 |
scr_page (UP, count); |
724 |
|
725 |
if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) |
726 |
HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); |
727 |
} |
728 |
else |
729 |
{ |
730 |
if (selection.op && current_screen == selection.screen) |
731 |
{ |
732 |
if ((selection.beg.row < row1 && selection.end.row > row1) |
733 |
|| (selection.beg.row < row2 && selection.end.row > row2) |
734 |
|| (selection.beg.row - count < row1 && selection.beg.row >= row1) |
735 |
|| (selection.beg.row - count > row2 && selection.beg.row <= row2) |
736 |
|| (selection.end.row - count < row1 && selection.end.row >= row1) |
737 |
|| (selection.end.row - count > row2 && selection.end.row <= row2)) |
738 |
{ |
739 |
CLEAR_ALL_SELECTION (); |
740 |
selection.op = SELECTION_CLEAR; |
741 |
} |
742 |
else if (selection.end.row >= row1 && selection.end.row <= row2) |
743 |
{ |
744 |
/* move selected region too */ |
745 |
selection.beg.row -= count; |
746 |
selection.end.row -= count; |
747 |
selection.mark.row -= count; |
748 |
|
749 |
selection_check (0); |
750 |
} |
751 |
} |
752 |
|
753 |
// use a simple and robust scrolling algorithm, this |
754 |
// part of scr_scroll_text is not time-critical. |
755 |
|
756 |
// sever line above scroll region |
757 |
if (row1) |
758 |
{ |
759 |
line_t &l = ROW(row1 - 1); |
760 |
l.is_longer (0); |
761 |
l.touch (); |
762 |
} |
763 |
|
764 |
int rows = row2 - row1 + 1; |
765 |
|
766 |
min_it (count, rows); |
767 |
|
768 |
line_t *temp_buf = rxvt_temp_buf<line_t> (rows); |
769 |
|
770 |
for (int row = 0; row < rows; row++) |
771 |
{ |
772 |
temp_buf [row] = ROW(row1 + (row + count + rows) % rows); |
773 |
|
774 |
if (!IN_RANGE_EXC (row + count, 0, rows)) |
775 |
scr_blank_screen_mem (temp_buf [row], rstyle); |
776 |
} |
777 |
|
778 |
for (int row = 0; row < rows; row++) |
779 |
ROW(row1 + row) = temp_buf [row]; |
780 |
|
781 |
// sever bottommost line |
782 |
{ |
783 |
line_t &l = ROW(row2); |
784 |
l.is_longer (0); |
785 |
l.touch (); |
786 |
} |
787 |
} |
788 |
|
789 |
return count; |
790 |
} |
791 |
|
792 |
/* ------------------------------------------------------------------------- */ |
793 |
/* |
794 |
* Add text given in <str> of length <len> to screen struct |
795 |
*/ |
796 |
void ecb_hot |
797 |
rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW |
798 |
{ |
799 |
if (len <= 0) /* sanity */ |
800 |
return; |
801 |
|
802 |
bool checksel; |
803 |
unicode_t c; |
804 |
int ncol = this->ncol; |
805 |
const wchar_t *strend = str + len; |
806 |
|
807 |
want_refresh = 1; |
808 |
ZERO_SCROLLBACK (); |
809 |
|
810 |
if (minlines > 0) |
811 |
{ |
812 |
minlines += screen.cur.row - screen.bscroll; |
813 |
min_it (minlines, screen.cur.row - top_row); |
814 |
|
815 |
if (minlines > 0 |
816 |
&& screen.tscroll == 0 |
817 |
&& screen.bscroll == nrow - 1) |
818 |
{ |
819 |
/* _at least_ this many lines need to be scrolled */ |
820 |
scr_scroll_text (screen.tscroll, screen.bscroll, minlines); |
821 |
screen.cur.row -= minlines; |
822 |
} |
823 |
} |
824 |
|
825 |
assert (screen.cur.col < ncol); |
826 |
assert (screen.cur.row < nrow |
827 |
&& screen.cur.row >= top_row); |
828 |
int row = screen.cur.row; |
829 |
|
830 |
checksel = selection.op && current_screen == selection.screen ? 1 : 0; |
831 |
|
832 |
line_t *line = &ROW(row); |
833 |
|
834 |
while (str < strend) |
835 |
{ |
836 |
c = (unicode_t)*str++; // convert to rxvt-unicodes representation |
837 |
|
838 |
if (ecb_unlikely (c < 0x20)) |
839 |
if (c == C0_LF) |
840 |
{ |
841 |
max_it (line->l, screen.cur.col); |
842 |
|
843 |
screen.flags &= ~Screen_WrapNext; |
844 |
|
845 |
if (screen.cur.row == screen.bscroll) |
846 |
scr_scroll_text (screen.tscroll, screen.bscroll, 1); |
847 |
else if (screen.cur.row < (nrow - 1)) |
848 |
row = ++screen.cur.row; |
849 |
|
850 |
line = &ROW(row); /* _must_ refresh */ |
851 |
continue; |
852 |
} |
853 |
else if (c == C0_CR) |
854 |
{ |
855 |
max_it (line->l, screen.cur.col); |
856 |
|
857 |
screen.flags &= ~Screen_WrapNext; |
858 |
screen.cur.col = 0; |
859 |
continue; |
860 |
} |
861 |
else if (c == C0_HT) |
862 |
{ |
863 |
scr_tab (1, true); |
864 |
continue; |
865 |
} |
866 |
|
867 |
if (ecb_unlikely ( |
868 |
checksel /* see if we're writing within selection */ |
869 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
870 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end) |
871 |
)) |
872 |
{ |
873 |
checksel = 0; |
874 |
/* |
875 |
* If we wrote anywhere in the selected area, kill the selection |
876 |
* XXX: should we kill the mark too? Possibly, but maybe that |
877 |
* should be a similar check. |
878 |
*/ |
879 |
CLEAR_SELECTION (); |
880 |
} |
881 |
|
882 |
if (ecb_unlikely (screen.flags & Screen_WrapNext)) |
883 |
{ |
884 |
scr_do_wrap (); |
885 |
|
886 |
line->l = ncol; |
887 |
line->is_longer (1); |
888 |
|
889 |
row = screen.cur.row; |
890 |
line = &ROW(row); /* _must_ refresh */ |
891 |
} |
892 |
|
893 |
// some utf-8 decoders "decode" surrogate characters: let's fix this. |
894 |
if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff))) |
895 |
c = 0xfffd; |
896 |
|
897 |
// rely on wcwidth to tell us the character width, do wcwidth before |
898 |
// further replacements, as wcwidth might return -1 for the line |
899 |
// drawing characters below as they might be invalid in the current |
900 |
// locale. |
901 |
int width = WCWIDTH (c); |
902 |
|
903 |
if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL |
904 |
{ |
905 |
// vt100 special graphics and line drawing |
906 |
// 5f-7e standard vt100 |
907 |
// 40-5e rxvt extension for extra curses acs chars |
908 |
static uint16_t vt100_0[62] = { // 41 .. 7e |
909 |
0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman! |
910 |
0, 0, 0, 0, 0, 0, 0, 0, // 48-4f |
911 |
0, 0, 0, 0, 0, 0, 0, 0, // 50-57 |
912 |
0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f |
913 |
0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67 |
914 |
0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f |
915 |
0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77 |
916 |
0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e |
917 |
}; |
918 |
|
919 |
if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41]) |
920 |
{ |
921 |
c = vt100_0[c - 0x41]; |
922 |
width = 1; // vt100 line drawing characters are always single-width |
923 |
} |
924 |
} |
925 |
|
926 |
if (ecb_unlikely (screen.flags & Screen_Insert)) |
927 |
scr_insdel_chars (width, INSERT); |
928 |
|
929 |
if (width != 0) |
930 |
{ |
931 |
#if !UNICODE_3 |
932 |
// trim characters we can't store directly :( |
933 |
if (c >= 0x10000) |
934 |
# if ENABLE_COMBINING |
935 |
c = rxvt_composite.compose (c); // map to lower 16 bits |
936 |
# else |
937 |
c = 0xfffd; |
938 |
# endif |
939 |
#endif |
940 |
|
941 |
rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); |
942 |
|
943 |
// if the character doesn't fit into the remaining columns... |
944 |
if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width)) |
945 |
{ |
946 |
if (screen.flags & Screen_Autowrap) |
947 |
{ |
948 |
// ... artificially enlargen the previous one |
949 |
c = NOCHAR; |
950 |
// and try the same character next loop iteration |
951 |
--str; |
952 |
} |
953 |
else |
954 |
screen.cur.col = ncol - width; |
955 |
} |
956 |
|
957 |
// nuke the character at this position, if required |
958 |
// due to wonderful coincidences everywhere else in this loop |
959 |
// we never have to check for overwriting a wide char itself, |
960 |
// only its tail. |
961 |
if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR)) |
962 |
scr_kill_char (*line, screen.cur.col); |
963 |
|
964 |
line->touch (); |
965 |
|
966 |
do |
967 |
{ |
968 |
line->t[screen.cur.col] = c; |
969 |
line->r[screen.cur.col] = rend; |
970 |
|
971 |
if (ecb_likely (screen.cur.col < ncol - 1)) |
972 |
screen.cur.col++; |
973 |
else |
974 |
{ |
975 |
line->l = ncol; |
976 |
if (screen.flags & Screen_Autowrap) |
977 |
screen.flags |= Screen_WrapNext; |
978 |
|
979 |
goto end_of_line; |
980 |
} |
981 |
|
982 |
c = NOCHAR; |
983 |
} |
984 |
while (ecb_unlikely (--width > 0)); |
985 |
|
986 |
// pad with spaces when overwriting wide character with smaller one |
987 |
for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++) |
988 |
{ |
989 |
line->t[c] = ' '; |
990 |
line->r[c] = rend; |
991 |
} |
992 |
|
993 |
end_of_line: |
994 |
; |
995 |
} |
996 |
#if ENABLE_COMBINING |
997 |
else // width == 0 |
998 |
{ |
999 |
if (c != 0xfeff) // ignore BOM |
1000 |
{ |
1001 |
// handle combining characters |
1002 |
// we just tag the accent on the previous on-screen character. |
1003 |
// this is arguably not correct, but also arguably not wrong. |
1004 |
// we don't handle double-width characters nicely yet. |
1005 |
line_t *linep; |
1006 |
text_t *tp; |
1007 |
rend_t *rp; |
1008 |
|
1009 |
if (screen.cur.col > 0) |
1010 |
{ |
1011 |
linep = line; |
1012 |
tp = line->t + screen.cur.col - 1; |
1013 |
rp = line->r + screen.cur.col - 1; |
1014 |
} |
1015 |
else if (screen.cur.row > 0 |
1016 |
&& ROW(screen.cur.row - 1).is_longer ()) |
1017 |
{ |
1018 |
linep = &ROW(screen.cur.row - 1); |
1019 |
tp = line->t + ncol - 1; |
1020 |
rp = line->r + ncol - 1; |
1021 |
} |
1022 |
else |
1023 |
continue; |
1024 |
|
1025 |
linep->touch (); |
1026 |
|
1027 |
while (*tp == NOCHAR && tp > linep->t) |
1028 |
tp--, rp--; |
1029 |
|
1030 |
// first try to find a precomposed character |
1031 |
unicode_t n = rxvt_compose (*tp, c); |
1032 |
if (n == NOCHAR) |
1033 |
n = rxvt_composite.compose (*tp, c); |
1034 |
|
1035 |
*tp = n; |
1036 |
*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); |
1037 |
} |
1038 |
} |
1039 |
#endif |
1040 |
} |
1041 |
|
1042 |
max_it (line->l, screen.cur.col); |
1043 |
|
1044 |
assert (screen.cur.row >= 0); |
1045 |
} |
1046 |
|
1047 |
/* ------------------------------------------------------------------------- */ |
1048 |
/* |
1049 |
* Process Backspace. Move back the cursor back a position, wrap if have to |
1050 |
* XTERM_SEQ: CTRL-H |
1051 |
*/ |
1052 |
void |
1053 |
rxvt_term::scr_backspace () NOTHROW |
1054 |
{ |
1055 |
if (screen.cur.col == 0) |
1056 |
{ |
1057 |
if (screen.cur.row > 0) |
1058 |
{ |
1059 |
#ifdef TERMCAP_HAS_BW |
1060 |
screen.cur.col = ncol - 1; |
1061 |
--screen.cur.row; |
1062 |
|
1063 |
want_refresh = 1; |
1064 |
#endif |
1065 |
} |
1066 |
} |
1067 |
else if (screen.flags & Screen_WrapNext) |
1068 |
screen.flags &= ~Screen_WrapNext; |
1069 |
else |
1070 |
scr_gotorc (0, -1, RELATIVE); |
1071 |
} |
1072 |
|
1073 |
/* ------------------------------------------------------------------------- */ |
1074 |
/* |
1075 |
* Process Horizontal Tab |
1076 |
* count: +ve = forward; -ve = backwards |
1077 |
* XTERM_SEQ: CTRL-I |
1078 |
*/ |
1079 |
void |
1080 |
rxvt_term::scr_tab (int count, bool ht) NOTHROW |
1081 |
{ |
1082 |
int i, x; |
1083 |
|
1084 |
want_refresh = 1; |
1085 |
i = x = screen.cur.col; |
1086 |
|
1087 |
if (count == 0) |
1088 |
return; |
1089 |
else if (count > 0) |
1090 |
{ |
1091 |
line_t &l = ROW(screen.cur.row); |
1092 |
rend_t base_rend = l.r[i]; |
1093 |
ht &= l.t[i] == ' '; |
1094 |
|
1095 |
for (; ++i < ncol; ) |
1096 |
if (tabs[i]) |
1097 |
{ |
1098 |
x = i; |
1099 |
|
1100 |
if (!--count) |
1101 |
break; |
1102 |
} |
1103 |
else |
1104 |
ht &= l.t[i] == ' ' |
1105 |
&& RS_SAME (l.r[i], base_rend); |
1106 |
|
1107 |
if (count) |
1108 |
x = ncol - 1; |
1109 |
|
1110 |
// store horizontal tab commands as characters inside the text |
1111 |
// buffer so they can be selected and pasted. |
1112 |
if (ht && option (Opt_pastableTabs)) |
1113 |
{ |
1114 |
base_rend = SET_FONT (base_rend, 0); |
1115 |
|
1116 |
l.touch (x); |
1117 |
|
1118 |
i = screen.cur.col; |
1119 |
|
1120 |
l.t[i] = '\t'; |
1121 |
l.r[i] = base_rend; |
1122 |
|
1123 |
while (++i < x) |
1124 |
{ |
1125 |
l.t[i] = NOCHAR; |
1126 |
l.r[i] = base_rend; |
1127 |
} |
1128 |
} |
1129 |
} |
1130 |
else /* if (count < 0) */ |
1131 |
{ |
1132 |
for (; --i >= 0; ) |
1133 |
if (tabs[i]) |
1134 |
{ |
1135 |
x = i; |
1136 |
if (!++count) |
1137 |
break; |
1138 |
} |
1139 |
|
1140 |
if (count) |
1141 |
x = 0; |
1142 |
} |
1143 |
|
1144 |
if (x != screen.cur.col) |
1145 |
scr_gotorc (0, x, R_RELATIVE); |
1146 |
} |
1147 |
|
1148 |
/* ------------------------------------------------------------------------- */ |
1149 |
/* |
1150 |
* Process DEC Back Index |
1151 |
* XTERM_SEQ: ESC 6 |
1152 |
* Move cursor left in row. If we're at the left boundary, shift everything |
1153 |
* in that row right. Clear left column. |
1154 |
*/ |
1155 |
#if !ENABLE_MINIMAL |
1156 |
void ecb_cold |
1157 |
rxvt_term::scr_backindex () NOTHROW |
1158 |
{ |
1159 |
if (screen.cur.col > 0) |
1160 |
scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); |
1161 |
else |
1162 |
scr_insdel_chars (1, INSERT); |
1163 |
} |
1164 |
#endif |
1165 |
/* ------------------------------------------------------------------------- */ |
1166 |
/* |
1167 |
* Process DEC Forward Index |
1168 |
* XTERM_SEQ: ESC 9 |
1169 |
* Move cursor right in row. If we're at the right boundary, shift everything |
1170 |
* in that row left. Clear right column. |
1171 |
*/ |
1172 |
#if !ENABLE_MINIMAL |
1173 |
void ecb_cold |
1174 |
rxvt_term::scr_forwardindex () NOTHROW |
1175 |
{ |
1176 |
if (screen.cur.col < ncol - 1) |
1177 |
scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); |
1178 |
else |
1179 |
{ |
1180 |
line_t &l = ROW(screen.cur.row); |
1181 |
|
1182 |
l.touch (); |
1183 |
l.is_longer (0); |
1184 |
|
1185 |
scr_gotorc (0, 0, R_RELATIVE); |
1186 |
scr_insdel_chars (1, DELETE); |
1187 |
scr_gotorc (0, ncol - 1, R_RELATIVE); |
1188 |
} |
1189 |
} |
1190 |
#endif |
1191 |
|
1192 |
/* ------------------------------------------------------------------------- */ |
1193 |
/* |
1194 |
* Goto Row/Column |
1195 |
*/ |
1196 |
void |
1197 |
rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW |
1198 |
{ |
1199 |
want_refresh = 1; |
1200 |
ZERO_SCROLLBACK (); |
1201 |
|
1202 |
screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; |
1203 |
clamp_it (screen.cur.col, 0, ncol - 1); |
1204 |
|
1205 |
screen.flags &= ~Screen_WrapNext; |
1206 |
|
1207 |
if (relative & R_RELATIVE) |
1208 |
{ |
1209 |
if (row > 0) |
1210 |
{ |
1211 |
if (screen.cur.row <= screen.bscroll |
1212 |
&& (screen.cur.row + row) > screen.bscroll) |
1213 |
screen.cur.row = screen.bscroll; |
1214 |
else |
1215 |
screen.cur.row += row; |
1216 |
} |
1217 |
else if (row < 0) |
1218 |
{ |
1219 |
if (screen.cur.row >= screen.tscroll |
1220 |
&& (screen.cur.row + row) < screen.tscroll) |
1221 |
screen.cur.row = screen.tscroll; |
1222 |
else |
1223 |
screen.cur.row += row; |
1224 |
} |
1225 |
} |
1226 |
else |
1227 |
{ |
1228 |
if (screen.flags & Screen_Relative) |
1229 |
{ |
1230 |
/* relative origin mode */ |
1231 |
screen.cur.row = row + screen.tscroll; |
1232 |
min_it (screen.cur.row, screen.bscroll); |
1233 |
} |
1234 |
else |
1235 |
screen.cur.row = row; |
1236 |
} |
1237 |
|
1238 |
clamp_it (screen.cur.row, 0, nrow - 1); |
1239 |
} |
1240 |
|
1241 |
/* ------------------------------------------------------------------------- */ |
1242 |
/* |
1243 |
* direction should be UP or DN |
1244 |
*/ |
1245 |
void |
1246 |
rxvt_term::scr_index (enum page_dirn direction) NOTHROW |
1247 |
{ |
1248 |
int dirn; |
1249 |
|
1250 |
want_refresh = 1; |
1251 |
ZERO_SCROLLBACK (); |
1252 |
|
1253 |
dirn = ((direction == UP) ? 1 : -1); |
1254 |
|
1255 |
screen.flags &= ~Screen_WrapNext; |
1256 |
|
1257 |
if ((screen.cur.row == screen.bscroll && direction == UP) |
1258 |
|| (screen.cur.row == screen.tscroll && direction == DN)) |
1259 |
scr_scroll_text (screen.tscroll, screen.bscroll, dirn); |
1260 |
else |
1261 |
screen.cur.row += dirn; |
1262 |
|
1263 |
clamp_it (screen.cur.row, 0, nrow - 1); |
1264 |
selection_check (0); |
1265 |
} |
1266 |
|
1267 |
/* ------------------------------------------------------------------------- */ |
1268 |
/* |
1269 |
* Erase part or whole of a line |
1270 |
* XTERM_SEQ: Clear line to right: ESC [ 0 K |
1271 |
* XTERM_SEQ: Clear line to left : ESC [ 1 K |
1272 |
* XTERM_SEQ: Clear whole line : ESC [ 2 K |
1273 |
* extension: clear to right unless wrapped: ESC [ 3 K |
1274 |
*/ |
1275 |
void |
1276 |
rxvt_term::scr_erase_line (int mode) NOTHROW |
1277 |
{ |
1278 |
unsigned int col, num; |
1279 |
|
1280 |
want_refresh = 1; |
1281 |
ZERO_SCROLLBACK (); |
1282 |
|
1283 |
selection_check (1); |
1284 |
|
1285 |
line_t &line = ROW(screen.cur.row); |
1286 |
|
1287 |
line.touch (); |
1288 |
line.is_longer (0); |
1289 |
|
1290 |
switch (mode) |
1291 |
{ |
1292 |
case 3: |
1293 |
if (screen.flags & Screen_WrapNext) |
1294 |
return; |
1295 |
|
1296 |
/* fall through */ |
1297 |
|
1298 |
case 0: /* erase to end of line */ |
1299 |
col = screen.cur.col; |
1300 |
num = ncol - col; |
1301 |
min_it (line.l, col); |
1302 |
|
1303 |
if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) |
1304 |
|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) |
1305 |
CLEAR_SELECTION (); |
1306 |
break; |
1307 |
|
1308 |
case 1: /* erase to beginning of line */ |
1309 |
col = 0; |
1310 |
num = screen.cur.col + 1; |
1311 |
|
1312 |
if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) |
1313 |
|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) |
1314 |
CLEAR_SELECTION (); |
1315 |
break; |
1316 |
|
1317 |
case 2: /* erase whole line */ |
1318 |
col = 0; |
1319 |
num = ncol; |
1320 |
line.l = 0; |
1321 |
if (selection.beg.row <= screen.cur.row |
1322 |
&& selection.end.row >= screen.cur.row) |
1323 |
CLEAR_SELECTION (); |
1324 |
break; |
1325 |
default: |
1326 |
return; |
1327 |
} |
1328 |
|
1329 |
scr_blank_line (line, col, num, rstyle); |
1330 |
} |
1331 |
|
1332 |
/* ------------------------------------------------------------------------- */ |
1333 |
/* |
1334 |
* Erase part or whole of the screen |
1335 |
* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J |
1336 |
* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J |
1337 |
* XTERM_SEQ: Clear whole screen : ESC [ 2 J |
1338 |
*/ |
1339 |
void |
1340 |
rxvt_term::scr_erase_screen (int mode) NOTHROW |
1341 |
{ |
1342 |
int num; |
1343 |
int32_t row; |
1344 |
rend_t ren; |
1345 |
XGCValues gcvalue; |
1346 |
|
1347 |
want_refresh = 1; |
1348 |
ZERO_SCROLLBACK (); |
1349 |
|
1350 |
switch (mode) |
1351 |
{ |
1352 |
case 0: /* erase to end of screen */ |
1353 |
scr_erase_line (0); |
1354 |
row = screen.cur.row + 1; /* possible OOB */ |
1355 |
num = nrow - row; |
1356 |
break; |
1357 |
case 1: /* erase to beginning of screen */ |
1358 |
scr_erase_line (1); |
1359 |
row = 0; |
1360 |
num = screen.cur.row; |
1361 |
break; |
1362 |
case 2: /* erase whole screen */ |
1363 |
row = 0; |
1364 |
num = nrow; |
1365 |
break; |
1366 |
default: |
1367 |
return; |
1368 |
} |
1369 |
|
1370 |
if (selection.op && current_screen == selection.screen |
1371 |
&& ((selection.beg.row >= row && selection.beg.row <= row + num) |
1372 |
|| (selection.end.row >= row |
1373 |
&& selection.end.row <= row + num))) |
1374 |
CLEAR_SELECTION (); |
1375 |
|
1376 |
if (row >= nrow) /* Out Of Bounds */ |
1377 |
return; |
1378 |
|
1379 |
min_it (num, nrow - row); |
1380 |
|
1381 |
if (rstyle & (RS_Blink | RS_RVid | RS_Uline)) |
1382 |
ren = (rend_t) ~RS_None; |
1383 |
else if (GET_BASEBG (rstyle) == Color_bg) |
1384 |
{ |
1385 |
ren = DEFAULT_RSTYLE; |
1386 |
|
1387 |
if (mapped) |
1388 |
XClearArea (dpy, vt, 0, |
1389 |
Row2Pixel (row - view_start), (unsigned int)vt_width, |
1390 |
(unsigned int)Height2Pixel (num), False); |
1391 |
} |
1392 |
else |
1393 |
{ |
1394 |
ren = rstyle & (RS_fgMask | RS_bgMask); |
1395 |
|
1396 |
if (mapped) |
1397 |
{ |
1398 |
gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; |
1399 |
XChangeGC (dpy, gc, GCForeground, &gcvalue); |
1400 |
XFillRectangle (dpy, vt, gc, |
1401 |
0, Row2Pixel (row - view_start), |
1402 |
(unsigned int)vt_width, |
1403 |
(unsigned int)Height2Pixel (num)); |
1404 |
gcvalue.foreground = pix_colors[Color_fg]; |
1405 |
XChangeGC (dpy, gc, GCForeground, &gcvalue); |
1406 |
} |
1407 |
} |
1408 |
|
1409 |
for (; num--; row++) |
1410 |
{ |
1411 |
scr_blank_screen_mem (ROW(row), rstyle); |
1412 |
|
1413 |
if (row - view_start < nrow) |
1414 |
scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren); |
1415 |
} |
1416 |
} |
1417 |
|
1418 |
#if !ENABLE_MINIMAL |
1419 |
void |
1420 |
rxvt_term::scr_erase_savelines () NOTHROW |
1421 |
{ |
1422 |
want_refresh = 1; |
1423 |
ZERO_SCROLLBACK (); |
1424 |
|
1425 |
top_row = 0; |
1426 |
} |
1427 |
#endif |
1428 |
|
1429 |
/* ------------------------------------------------------------------------- */ |
1430 |
/* |
1431 |
* Fill the screen with `E's |
1432 |
* XTERM_SEQ: Screen Alignment Test: ESC # 8 |
1433 |
*/ |
1434 |
void ecb_cold |
1435 |
rxvt_term::scr_E () NOTHROW |
1436 |
{ |
1437 |
rend_t fs; |
1438 |
|
1439 |
want_refresh = 1; |
1440 |
ZERO_SCROLLBACK (); |
1441 |
|
1442 |
num_scr_allow = 0; |
1443 |
|
1444 |
row_col_t pos; |
1445 |
pos.row = pos.col = 0; |
1446 |
if (ROWCOL_IS_AFTER (selection.end, pos)) |
1447 |
CLEAR_SELECTION (); |
1448 |
|
1449 |
fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); |
1450 |
for (int row = nrow; row--; ) |
1451 |
{ |
1452 |
line_t &line = ROW(row); |
1453 |
|
1454 |
fill_text (line.t, 'E', ncol); |
1455 |
rend_t *r1 = line.r; |
1456 |
|
1457 |
for (int j = ncol; j--; ) |
1458 |
*r1++ = fs; |
1459 |
|
1460 |
line.is_longer (0); |
1461 |
line.touch (ncol); |
1462 |
} |
1463 |
} |
1464 |
|
1465 |
/* ------------------------------------------------------------------------- */ |
1466 |
/* |
1467 |
* Insert/Delete <count> lines |
1468 |
*/ |
1469 |
void |
1470 |
rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW |
1471 |
{ |
1472 |
int end; |
1473 |
|
1474 |
ZERO_SCROLLBACK (); |
1475 |
|
1476 |
selection_check (1); |
1477 |
|
1478 |
if (screen.cur.row > screen.bscroll) |
1479 |
return; |
1480 |
|
1481 |
end = screen.bscroll - screen.cur.row + 1; |
1482 |
if (count > end) |
1483 |
{ |
1484 |
if (insdel == DELETE) |
1485 |
return; |
1486 |
else if (insdel == INSERT) |
1487 |
count = end; |
1488 |
} |
1489 |
|
1490 |
scr_do_wrap (); |
1491 |
|
1492 |
scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count); |
1493 |
} |
1494 |
|
1495 |
/* ------------------------------------------------------------------------- */ |
1496 |
/* |
1497 |
* Insert/Delete <count> characters from the current position |
1498 |
*/ |
1499 |
void |
1500 |
rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW |
1501 |
{ |
1502 |
want_refresh = 1; |
1503 |
ZERO_SCROLLBACK (); |
1504 |
|
1505 |
if (count <= 0) |
1506 |
return; |
1507 |
|
1508 |
scr_do_wrap (); |
1509 |
|
1510 |
selection_check (1); |
1511 |
min_it (count, ncol - screen.cur.col); |
1512 |
|
1513 |
int row = screen.cur.row; |
1514 |
|
1515 |
line_t *line = &ROW(row); |
1516 |
|
1517 |
line->touch (); |
1518 |
line->is_longer (0); |
1519 |
|
1520 |
// nuke wide spanning the start |
1521 |
if (line->t[screen.cur.col] == NOCHAR) |
1522 |
scr_kill_char (*line, screen.cur.col); |
1523 |
|
1524 |
switch (insdel) |
1525 |
{ |
1526 |
case INSERT: |
1527 |
line->l = min (line->l + count, ncol); |
1528 |
|
1529 |
if (line->t[screen.cur.col] == NOCHAR) |
1530 |
scr_kill_char (*line, screen.cur.col); |
1531 |
|
1532 |
for (int col = ncol - 1; (col - count) >= screen.cur.col; col--) |
1533 |
{ |
1534 |
line->t[col] = line->t[col - count]; |
1535 |
line->r[col] = line->r[col - count]; |
1536 |
} |
1537 |
|
1538 |
if (selection.op && current_screen == selection.screen |
1539 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1540 |
{ |
1541 |
if (selection.end.row != screen.cur.row |
1542 |
|| (selection.end.col + count >= ncol)) |
1543 |
CLEAR_SELECTION (); |
1544 |
else |
1545 |
{ |
1546 |
/* shift selection */ |
1547 |
selection.beg.col += count; |
1548 |
selection.mark.col += count; /* XXX: yes? */ |
1549 |
selection.end.col += count; |
1550 |
} |
1551 |
} |
1552 |
|
1553 |
scr_blank_line (*line, screen.cur.col, count, rstyle); |
1554 |
break; |
1555 |
|
1556 |
case ERASE: |
1557 |
screen.cur.col += count; /* don't worry if > ncol */ |
1558 |
selection_check (1); |
1559 |
screen.cur.col -= count; |
1560 |
|
1561 |
// nuke wide char after the end |
1562 |
if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR) |
1563 |
scr_kill_char (*line, screen.cur.col + count); |
1564 |
|
1565 |
scr_blank_line (*line, screen.cur.col, count, rstyle); |
1566 |
break; |
1567 |
|
1568 |
case DELETE: |
1569 |
line->l = max (line->l - count, 0); |
1570 |
|
1571 |
// nuke wide char spanning the end |
1572 |
if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR) |
1573 |
scr_kill_char (*line, screen.cur.col + count); |
1574 |
|
1575 |
for (int col = screen.cur.col; (col + count) < ncol; col++) |
1576 |
{ |
1577 |
line->t[col] = line->t[col + count]; |
1578 |
line->r[col] = line->r[col + count]; |
1579 |
} |
1580 |
|
1581 |
scr_blank_line (*line, ncol - count, count, rstyle); |
1582 |
|
1583 |
if (selection.op && current_screen == selection.screen |
1584 |
&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) |
1585 |
{ |
1586 |
if (selection.end.row != screen.cur.row |
1587 |
|| (screen.cur.col >= selection.beg.col - count) |
1588 |
|| selection.end.col >= ncol) |
1589 |
CLEAR_SELECTION (); |
1590 |
else |
1591 |
{ |
1592 |
/* shift selection */ |
1593 |
selection.beg.col -= count; |
1594 |
selection.mark.col -= count; /* XXX: yes? */ |
1595 |
selection.end.col -= count; |
1596 |
} |
1597 |
} |
1598 |
|
1599 |
break; |
1600 |
} |
1601 |
} |
1602 |
|
1603 |
/* ------------------------------------------------------------------------- */ |
1604 |
/* |
1605 |
* Set the scrolling region |
1606 |
* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r |
1607 |
*/ |
1608 |
void ecb_cold |
1609 |
rxvt_term::scr_scroll_region (int top, int bot) NOTHROW |
1610 |
{ |
1611 |
max_it (top, 0); |
1612 |
min_it (bot, nrow - 1); |
1613 |
|
1614 |
if (top > bot) |
1615 |
return; |
1616 |
|
1617 |
screen.tscroll = top; |
1618 |
screen.bscroll = bot; |
1619 |
scr_gotorc (0, 0, 0); |
1620 |
} |
1621 |
|
1622 |
/* ------------------------------------------------------------------------- */ |
1623 |
/* |
1624 |
* Make the cursor visible/invisible |
1625 |
* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h |
1626 |
* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l |
1627 |
*/ |
1628 |
void ecb_cold |
1629 |
rxvt_term::scr_cursor_visible (int mode) NOTHROW |
1630 |
{ |
1631 |
want_refresh = 1; |
1632 |
|
1633 |
if (mode) |
1634 |
screen.flags |= Screen_VisibleCursor; |
1635 |
else |
1636 |
screen.flags &= ~Screen_VisibleCursor; |
1637 |
} |
1638 |
|
1639 |
/* ------------------------------------------------------------------------- */ |
1640 |
/* |
1641 |
* Set/unset automatic wrapping |
1642 |
* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h |
1643 |
* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l |
1644 |
*/ |
1645 |
void ecb_cold |
1646 |
rxvt_term::scr_autowrap (int mode) NOTHROW |
1647 |
{ |
1648 |
if (mode) |
1649 |
screen.flags |= Screen_Autowrap; |
1650 |
else |
1651 |
screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); |
1652 |
} |
1653 |
|
1654 |
/* ------------------------------------------------------------------------- */ |
1655 |
/* |
1656 |
* Set/unset margin origin mode |
1657 |
* Absolute mode: line numbers are counted relative to top margin of screen |
1658 |
* and the cursor can be moved outside the scrolling region. |
1659 |
* Relative mode: line numbers are relative to top margin of scrolling region |
1660 |
* and the cursor cannot be moved outside. |
1661 |
* XTERM_SEQ: Set Absolute: ESC [ ? 6 h |
1662 |
* XTERM_SEQ: Set Relative: ESC [ ? 6 l |
1663 |
*/ |
1664 |
void ecb_cold |
1665 |
rxvt_term::scr_relative_origin (int mode) NOTHROW |
1666 |
{ |
1667 |
if (mode) |
1668 |
screen.flags |= Screen_Relative; |
1669 |
else |
1670 |
screen.flags &= ~Screen_Relative; |
1671 |
|
1672 |
scr_gotorc (0, 0, 0); |
1673 |
} |
1674 |
|
1675 |
/* ------------------------------------------------------------------------- */ |
1676 |
/* |
1677 |
* Set insert/replace mode |
1678 |
* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h |
1679 |
* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l |
1680 |
*/ |
1681 |
void ecb_cold |
1682 |
rxvt_term::scr_insert_mode (int mode) NOTHROW |
1683 |
{ |
1684 |
if (mode) |
1685 |
screen.flags |= Screen_Insert; |
1686 |
else |
1687 |
screen.flags &= ~Screen_Insert; |
1688 |
} |
1689 |
|
1690 |
/* ------------------------------------------------------------------------- */ |
1691 |
/* |
1692 |
* Set/Unset tabs |
1693 |
* XTERM_SEQ: Set tab at current column : ESC H |
1694 |
* XTERM_SEQ: Clear tab at current column: ESC [ 0 g |
1695 |
* XTERM_SEQ: Clear all tabs : ESC [ 3 g |
1696 |
*/ |
1697 |
void ecb_cold |
1698 |
rxvt_term::scr_set_tab (int mode) NOTHROW |
1699 |
{ |
1700 |
if (mode < 0) |
1701 |
memset (tabs, 0, ncol); |
1702 |
else if (screen.cur.col < ncol) |
1703 |
tabs [screen.cur.col] = !!mode; |
1704 |
} |
1705 |
|
1706 |
/* ------------------------------------------------------------------------- */ |
1707 |
/* |
1708 |
* Set reverse/normal video |
1709 |
* XTERM_SEQ: Reverse video: ESC [ ? 5 h |
1710 |
* XTERM_SEQ: Normal video : ESC [ ? 5 l |
1711 |
*/ |
1712 |
void |
1713 |
rxvt_term::scr_rvideo_mode (bool on) NOTHROW |
1714 |
{ |
1715 |
rvideo_mode = on; |
1716 |
|
1717 |
#ifndef NO_BELL |
1718 |
on ^= rvideo_bell; |
1719 |
#endif |
1720 |
|
1721 |
if (rvideo_state != on) |
1722 |
{ |
1723 |
rvideo_state = on; |
1724 |
|
1725 |
::swap (pix_colors[Color_fg], pix_colors[Color_bg]); |
1726 |
#ifdef HAVE_IMG |
1727 |
if (bg_img == 0) |
1728 |
#endif |
1729 |
XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); |
1730 |
|
1731 |
XGCValues gcvalue; |
1732 |
gcvalue.foreground = pix_colors[Color_fg]; |
1733 |
gcvalue.background = pix_colors[Color_bg]; |
1734 |
XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue); |
1735 |
|
1736 |
scr_clear (); |
1737 |
scr_touch (true); |
1738 |
} |
1739 |
} |
1740 |
|
1741 |
/* ------------------------------------------------------------------------- */ |
1742 |
/* |
1743 |
* Report current cursor position |
1744 |
* XTERM_SEQ: Report position: ESC [ 6 n |
1745 |
*/ |
1746 |
void ecb_cold |
1747 |
rxvt_term::scr_report_position () NOTHROW |
1748 |
{ |
1749 |
tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); |
1750 |
} |
1751 |
|
1752 |
/* ------------------------------------------------------------------------- * |
1753 |
* FONTS * |
1754 |
* ------------------------------------------------------------------------- */ |
1755 |
|
1756 |
/* |
1757 |
* Set font style |
1758 |
*/ |
1759 |
void ecb_cold |
1760 |
rxvt_term::set_font_style () NOTHROW |
1761 |
{ |
1762 |
#if 0 |
1763 |
switch (charsets [screen.charset]) |
1764 |
{ |
1765 |
case '0': /* DEC Special Character & Line Drawing Set */ |
1766 |
break; |
1767 |
case 'A': /* United Kingdom (UK) */ |
1768 |
break; |
1769 |
case 'B': /* United States (USASCII) */ |
1770 |
break; |
1771 |
case '<': /* Multinational character set */ |
1772 |
break; |
1773 |
case '5': /* Finnish character set */ |
1774 |
break; |
1775 |
case 'C': /* Finnish character set */ |
1776 |
break; |
1777 |
case 'K': /* German character set */ |
1778 |
break; |
1779 |
} |
1780 |
#endif |
1781 |
} |
1782 |
|
1783 |
/* ------------------------------------------------------------------------- */ |
1784 |
/* |
1785 |
* Choose a font |
1786 |
* XTERM_SEQ: Invoke G0 character set: CTRL-O |
1787 |
* XTERM_SEQ: Invoke G1 character set: CTRL-N |
1788 |
* XTERM_SEQ: Invoke G2 character set: ESC N |
1789 |
* XTERM_SEQ: Invoke G3 character set: ESC O |
1790 |
*/ |
1791 |
void ecb_cold |
1792 |
rxvt_term::scr_charset_choose (int set) NOTHROW |
1793 |
{ |
1794 |
screen.charset = set; |
1795 |
set_font_style (); |
1796 |
} |
1797 |
|
1798 |
/* ------------------------------------------------------------------------- */ |
1799 |
/* |
1800 |
* Set a font |
1801 |
* XTERM_SEQ: Set G0 character set: ESC ( <C> |
1802 |
* XTERM_SEQ: Set G1 character set: ESC ) <C> |
1803 |
* XTERM_SEQ: Set G2 character set: ESC * <C> |
1804 |
* XTERM_SEQ: Set G3 character set: ESC + <C> |
1805 |
* See set_font_style for possible values for <C> |
1806 |
*/ |
1807 |
void |
1808 |
rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW |
1809 |
{ |
1810 |
charsets[set] = (unsigned char)ch; |
1811 |
set_font_style (); |
1812 |
} |
1813 |
|
1814 |
|
1815 |
/* ------------------------------------------------------------------------- * |
1816 |
* MAJOR SCREEN MANIPULATION * |
1817 |
* ------------------------------------------------------------------------- */ |
1818 |
|
1819 |
/* |
1820 |
* refresh matching text. |
1821 |
*/ |
1822 |
bool ecb_cold |
1823 |
rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW |
1824 |
{ |
1825 |
bool found = false; |
1826 |
|
1827 |
for (int i = 0; i < nrow; i++) |
1828 |
{ |
1829 |
rend_t *drp = drawn_buf[i].r; |
1830 |
|
1831 |
for (int col = 0; col < ncol; col++, drp++) |
1832 |
if ((*drp & mask) == value) |
1833 |
{ |
1834 |
found = true; |
1835 |
*drp = ~value; |
1836 |
} |
1837 |
} |
1838 |
|
1839 |
return found; |
1840 |
} |
1841 |
|
1842 |
/* |
1843 |
* Refresh an area |
1844 |
*/ |
1845 |
enum { |
1846 |
PART_BEG = 0, |
1847 |
PART_END, |
1848 |
RC_COUNT |
1849 |
}; |
1850 |
|
1851 |
void ecb_hot |
1852 |
rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW |
1853 |
{ |
1854 |
int i; |
1855 |
row_col_t rc[RC_COUNT]; |
1856 |
|
1857 |
if (!drawn_buf) /* sanity check */ |
1858 |
return; |
1859 |
|
1860 |
#ifndef NO_SLOW_LINK_SUPPORT |
1861 |
if (refresh_type == FAST_REFRESH && !display->is_local) |
1862 |
{ |
1863 |
y = 0; |
1864 |
eheight = height; |
1865 |
} |
1866 |
#endif |
1867 |
|
1868 |
/* round down */ |
1869 |
rc[PART_BEG].col = Pixel2Col (x); |
1870 |
rc[PART_BEG].row = Pixel2Row (y); |
1871 |
/* round up */ |
1872 |
rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1); |
1873 |
rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); |
1874 |
|
1875 |
/* sanity checks */ |
1876 |
for (i = PART_BEG; i < RC_COUNT; i++) |
1877 |
{ |
1878 |
min_it (rc[i].col, ncol - 1); |
1879 |
min_it (rc[i].row, nrow - 1); |
1880 |
} |
1881 |
|
1882 |
for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) |
1883 |
fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); |
1884 |
|
1885 |
num_scr_allow = 0; |
1886 |
|
1887 |
if (refresh) |
1888 |
scr_refresh (); |
1889 |
} |
1890 |
|
1891 |
/* ------------------------------------------------------------------------- */ |
1892 |
/* |
1893 |
* Refresh the entire screen |
1894 |
*/ |
1895 |
void |
1896 |
rxvt_term::scr_touch (bool refresh) NOTHROW |
1897 |
{ |
1898 |
scr_expose (0, 0, vt_width, vt_height, refresh); |
1899 |
} |
1900 |
|
1901 |
/* ------------------------------------------------------------------------- */ |
1902 |
/* |
1903 |
* Move the display so that the line represented by scrollbar value Y is at |
1904 |
* the top of the screen |
1905 |
*/ |
1906 |
void |
1907 |
rxvt_term::scr_move_to (int y, int len) NOTHROW |
1908 |
{ |
1909 |
scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1)); |
1910 |
} |
1911 |
|
1912 |
/* ------------------------------------------------------------------------- */ |
1913 |
/* |
1914 |
* Page the screen up/down nlines |
1915 |
* direction should be UP or DN |
1916 |
*/ |
1917 |
bool |
1918 |
rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW |
1919 |
{ |
1920 |
int new_view_start = |
1921 |
direction == UP ? view_start - nlines |
1922 |
: view_start + nlines; |
1923 |
|
1924 |
return scr_changeview (new_view_start); |
1925 |
} |
1926 |
|
1927 |
bool |
1928 |
rxvt_term::scr_changeview (int new_view_start) NOTHROW |
1929 |
{ |
1930 |
clamp_it (new_view_start, top_row, 0); |
1931 |
|
1932 |
if (new_view_start == view_start) |
1933 |
return false; |
1934 |
|
1935 |
num_scr += new_view_start - view_start; |
1936 |
view_start = new_view_start; |
1937 |
want_refresh = 1; |
1938 |
|
1939 |
HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END)); |
1940 |
|
1941 |
return true; |
1942 |
} |
1943 |
|
1944 |
#ifndef NO_BELL |
1945 |
void |
1946 |
rxvt_term::bell_cb (ev::timer &w, int revents) |
1947 |
{ |
1948 |
rvideo_bell = false; |
1949 |
scr_rvideo_mode (rvideo_mode); |
1950 |
refresh_check (); |
1951 |
} |
1952 |
#endif |
1953 |
|
1954 |
/* ------------------------------------------------------------------------- */ |
1955 |
void |
1956 |
rxvt_term::scr_bell () NOTHROW |
1957 |
{ |
1958 |
#ifndef NO_BELL |
1959 |
|
1960 |
# ifndef NO_MAPALERT |
1961 |
# ifdef MAPALERT_OPTION |
1962 |
if (option (Opt_mapAlert)) |
1963 |
# endif |
1964 |
XMapWindow (dpy, parent); |
1965 |
# endif |
1966 |
|
1967 |
# if ENABLE_FRILLS |
1968 |
if (option (Opt_urgentOnBell)) |
1969 |
set_urgency (1); |
1970 |
# endif |
1971 |
|
1972 |
if (option (Opt_visualBell)) |
1973 |
{ |
1974 |
rvideo_bell = true; |
1975 |
scr_rvideo_mode (rvideo_mode); |
1976 |
flush (); |
1977 |
|
1978 |
bell_ev.start (VISUAL_BELL_DURATION); |
1979 |
} |
1980 |
else |
1981 |
XBell (dpy, 0); |
1982 |
HOOK_INVOKE ((this, HOOK_BELL, DT_END)); |
1983 |
#endif |
1984 |
} |
1985 |
|
1986 |
/* ------------------------------------------------------------------------- */ |
1987 |
void ecb_cold |
1988 |
rxvt_term::scr_printscreen (int fullhist) NOTHROW |
1989 |
{ |
1990 |
#ifdef PRINTPIPE |
1991 |
int nrows, row_start; |
1992 |
FILE *fd = popen_printer (); |
1993 |
|
1994 |
if (!fd) |
1995 |
return; |
1996 |
|
1997 |
if (fullhist) |
1998 |
{ |
1999 |
nrows = nrow - top_row; |
2000 |
row_start = top_row; |
2001 |
} |
2002 |
else |
2003 |
{ |
2004 |
nrows = nrow; |
2005 |
row_start = view_start; |
2006 |
} |
2007 |
|
2008 |
wctomb (0, 0); |
2009 |
|
2010 |
for (int r1 = row_start; r1 < row_start + nrows; r1++) |
2011 |
{ |
2012 |
text_t *tp = ROW(r1).t; |
2013 |
int len = ROW(r1).l; |
2014 |
|
2015 |
for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN |
2016 |
{ |
2017 |
char mb[MB_LEN_MAX]; |
2018 |
text_t t = *tp++; |
2019 |
if (t == NOCHAR) |
2020 |
continue; |
2021 |
|
2022 |
len = wctomb (mb, t); |
2023 |
|
2024 |
if (len <= 0) |
2025 |
{ |
2026 |
mb[0] = ' '; |
2027 |
len = 1; |
2028 |
} |
2029 |
|
2030 |
fwrite (mb, 1, len, fd); |
2031 |
} |
2032 |
|
2033 |
fputc ('\n', fd); |
2034 |
} |
2035 |
|
2036 |
pclose_printer (fd); |
2037 |
#endif |
2038 |
} |
2039 |
|
2040 |
/* ------------------------------------------------------------------------- */ |
2041 |
/* |
2042 |
* Refresh the screen |
2043 |
* drawn_text/drawn_rend contain the screen information before the update. |
2044 |
* screen.text/screen.rend contain what the screen will change to. |
2045 |
*/ |
2046 |
void ecb_hot |
2047 |
rxvt_term::scr_refresh () NOTHROW |
2048 |
{ |
2049 |
int16_t col, row, /* column/row we're processing */ |
2050 |
ocrow; /* old cursor row */ |
2051 |
int i; /* tmp */ |
2052 |
rend_t ccol1, /* Cursor colour */ |
2053 |
ccol2; /* Cursor colour2 */ |
2054 |
rend_t cur_rend; |
2055 |
int cur_col; |
2056 |
|
2057 |
want_refresh = 0; /* screen is current */ |
2058 |
|
2059 |
if (refresh_type == NO_REFRESH || !mapped) |
2060 |
return; |
2061 |
|
2062 |
/* |
2063 |
* A: set up vars |
2064 |
*/ |
2065 |
refresh_count = 0; |
2066 |
|
2067 |
unsigned int old_screen_flags = screen.flags; |
2068 |
bool have_bg = 0; |
2069 |
#ifdef HAVE_IMG |
2070 |
have_bg = bg_img != 0; |
2071 |
#endif |
2072 |
ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ |
2073 |
|
2074 |
/* |
2075 |
* B: reverse any characters which are selected |
2076 |
*/ |
2077 |
scr_reverse_selection (); |
2078 |
|
2079 |
HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); |
2080 |
#if ENABLE_OVERLAY |
2081 |
scr_swap_overlay (); |
2082 |
#endif |
2083 |
|
2084 |
bool showcursor = screen.flags & Screen_VisibleCursor; |
2085 |
|
2086 |
/* |
2087 |
* C: set the cursor character (s) |
2088 |
*/ |
2089 |
{ |
2090 |
bool setoldcursor; |
2091 |
|
2092 |
#ifdef CURSOR_BLINK |
2093 |
if (hidden_cursor) |
2094 |
showcursor = 0; |
2095 |
#endif |
2096 |
|
2097 |
if (showcursor) |
2098 |
{ |
2099 |
int col = screen.cur.col; |
2100 |
|
2101 |
while (col && ROW(screen.cur.row).t[col] == NOCHAR) |
2102 |
col--; |
2103 |
|
2104 |
cur_rend = ROW(screen.cur.row).r[col]; |
2105 |
cur_col = col; |
2106 |
|
2107 |
#ifndef NO_CURSORCOLOR |
2108 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2109 |
ccol1 = Color_cursor; |
2110 |
else |
2111 |
#endif |
2112 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
2113 |
ccol1 = fgcolor_of (rstyle); |
2114 |
#else |
2115 |
ccol1 = Color_fg; |
2116 |
#endif |
2117 |
|
2118 |
#ifndef NO_CURSORCOLOR |
2119 |
if (ISSET_PIXCOLOR (Color_cursor2)) |
2120 |
ccol2 = Color_cursor2; |
2121 |
else |
2122 |
#endif |
2123 |
#ifdef CURSOR_COLOR_IS_RENDITION_COLOR |
2124 |
ccol2 = bgcolor_of (rstyle); |
2125 |
#else |
2126 |
ccol2 = Color_bg; |
2127 |
#endif |
2128 |
|
2129 |
if (focus) |
2130 |
{ |
2131 |
rend_t rend = cur_rend; |
2132 |
|
2133 |
if (option (Opt_cursorUnderline)) |
2134 |
rend ^= RS_Uline; |
2135 |
else |
2136 |
{ |
2137 |
rend ^= RS_RVid; |
2138 |
rend = SET_FGCOLOR (rend, ccol1); |
2139 |
rend = SET_BGCOLOR (rend, ccol2); |
2140 |
} |
2141 |
|
2142 |
scr_set_char_rend (ROW(screen.cur.row), cur_col, rend); |
2143 |
} |
2144 |
} |
2145 |
|
2146 |
/* make sure no outline cursor is left around */ |
2147 |
setoldcursor = 0; |
2148 |
if (ocrow != -1) |
2149 |
{ |
2150 |
if (screen.cur.row - view_start != ocrow |
2151 |
|| screen.cur.col != oldcursor.col) |
2152 |
{ |
2153 |
if (ocrow < nrow |
2154 |
&& oldcursor.col < ncol) |
2155 |
drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); |
2156 |
|
2157 |
if (focus || !showcursor) |
2158 |
oldcursor.row = -1; |
2159 |
else |
2160 |
setoldcursor = 1; |
2161 |
} |
2162 |
} |
2163 |
else if (!focus) |
2164 |
setoldcursor = 1; |
2165 |
|
2166 |
if (setoldcursor) |
2167 |
{ |
2168 |
if (screen.cur.row - view_start >= nrow) |
2169 |
oldcursor.row = -1; |
2170 |
else |
2171 |
{ |
2172 |
oldcursor.row = screen.cur.row - view_start; |
2173 |
oldcursor.col = screen.cur.col; |
2174 |
} |
2175 |
} |
2176 |
} |
2177 |
|
2178 |
#ifndef NO_SLOW_LINK_SUPPORT |
2179 |
/* |
2180 |
* D: CopyArea pass - very useful for slower links |
2181 |
* This has been deliberately kept simple. |
2182 |
*/ |
2183 |
if (!display->is_local |
2184 |
&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr |
2185 |
&& abs (num_scr) < nrow && !have_bg) |
2186 |
{ |
2187 |
int16_t nits; |
2188 |
int i = num_scr; |
2189 |
int j; |
2190 |
int len, wlen; |
2191 |
|
2192 |
j = nrow; |
2193 |
wlen = len = -1; |
2194 |
row = i > 0 ? 0 : j - 1; |
2195 |
|
2196 |
for (; j-- >= 0; row += (i > 0 ? 1 : -1)) |
2197 |
{ |
2198 |
if (row + i >= 0 && row + i < nrow && row + i != ocrow) |
2199 |
{ |
2200 |
line_t s = ROW(view_start + row); |
2201 |
line_t d = drawn_buf[row]; |
2202 |
line_t d2 = drawn_buf[row + i]; |
2203 |
|
2204 |
for (nits = 0, col = ncol; col--; ) |
2205 |
if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) |
2206 |
nits--; |
2207 |
else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) |
2208 |
nits++; |
2209 |
|
2210 |
if (nits > 8) /* XXX: arbitrary choice */ |
2211 |
{ |
2212 |
for (col = ncol; col--; ) |
2213 |
{ |
2214 |
*d.t++ = *d2.t++; |
2215 |
*d.r++ = *d2.r++; |
2216 |
} |
2217 |
|
2218 |
if (len == -1) |
2219 |
len = row; |
2220 |
|
2221 |
wlen = row; |
2222 |
continue; |
2223 |
} |
2224 |
} |
2225 |
|
2226 |
if (len >= 0) |
2227 |
{ |
2228 |
/* also comes here at end if needed because of >= above */ |
2229 |
if (wlen < len) |
2230 |
::swap (wlen, len); |
2231 |
|
2232 |
XGCValues gcv; |
2233 |
|
2234 |
gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv); |
2235 |
XCopyArea (dpy, vt, vt, |
2236 |
gc, 0, Row2Pixel (len + i), |
2237 |
(unsigned int)this->width, |
2238 |
(unsigned int)Height2Pixel (wlen - len + 1), |
2239 |
0, Row2Pixel (len)); |
2240 |
gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv); |
2241 |
|
2242 |
len = -1; |
2243 |
} |
2244 |
} |
2245 |
} |
2246 |
#endif |
2247 |
|
2248 |
/* |
2249 |
* E: main pass across every character |
2250 |
*/ |
2251 |
for (row = 0; row < nrow; row++) |
2252 |
{ |
2253 |
text_t *stp = ROW(view_start + row).t; |
2254 |
rend_t *srp = ROW(view_start + row).r; |
2255 |
text_t *dtp = drawn_buf[row].t; |
2256 |
rend_t *drp = drawn_buf[row].r; |
2257 |
|
2258 |
/* |
2259 |
* E2: OK, now the real pass |
2260 |
*/ |
2261 |
int ypixel = (int)Row2Pixel (row); |
2262 |
|
2263 |
for (col = 0; col < ncol; col++) |
2264 |
{ |
2265 |
/* compare new text with old - if exactly the same then continue */ |
2266 |
if (stp[col] == dtp[col] /* Must match characters to skip. */ |
2267 |
&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */ |
2268 |
|| (stp[col] == ' ' /* space w/ no background change */ |
2269 |
&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col])))) |
2270 |
continue; |
2271 |
|
2272 |
// redraw one or more characters |
2273 |
|
2274 |
// seek to the beginning of wide characters |
2275 |
while (ecb_unlikely (stp[col] == NOCHAR && col > 0)) |
2276 |
--col; |
2277 |
|
2278 |
rend_t rend = srp[col]; /* screen rendition (target rendition) */ |
2279 |
text_t *text = stp + col; |
2280 |
int count = 1; |
2281 |
|
2282 |
dtp[col] = stp[col]; |
2283 |
drp[col] = rend; |
2284 |
|
2285 |
int xpixel = Col2Pixel (col); |
2286 |
|
2287 |
for (i = 0; ++col < ncol; ) |
2288 |
{ |
2289 |
if (stp[col] == NOCHAR) |
2290 |
{ |
2291 |
dtp[col] = stp[col]; |
2292 |
drp[col] = srp[col]; |
2293 |
|
2294 |
count++; |
2295 |
i++; |
2296 |
|
2297 |
continue; |
2298 |
} |
2299 |
|
2300 |
if (!RS_SAME (rend, srp[col])) |
2301 |
break; |
2302 |
|
2303 |
count++; |
2304 |
|
2305 |
if (stp[col] != dtp[col] |
2306 |
|| !RS_SAME (srp[col], drp[col])) |
2307 |
{ |
2308 |
if (have_bg && (i++ > count / 2)) |
2309 |
break; |
2310 |
|
2311 |
dtp[col] = stp[col]; |
2312 |
drp[col] = rend; |
2313 |
i = 0; |
2314 |
} |
2315 |
else if (have_bg || (stp[col] != ' ' && ++i >= 16)) |
2316 |
break; |
2317 |
} |
2318 |
|
2319 |
col--; /* went one too far. move back */ |
2320 |
count -= i; /* dump any matching trailing chars */ |
2321 |
|
2322 |
// sometimes we optimize away the trailing NOCHAR's, add them back |
2323 |
while (ecb_unlikely (i && text[count] == NOCHAR)) |
2324 |
count++, i--; |
2325 |
|
2326 |
/* |
2327 |
* Determine the attributes for the string |
2328 |
*/ |
2329 |
int fore = fgcolor_of (rend); // desired foreground |
2330 |
int back = bgcolor_of (rend); // desired background |
2331 |
|
2332 |
// only do special processing if any attributes are set, which is unlikely |
2333 |
if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) |
2334 |
{ |
2335 |
bool invert = rend & RS_RVid; |
2336 |
|
2337 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2338 |
if (rend & RS_Bold && fore == Color_fg) |
2339 |
{ |
2340 |
if (ISSET_PIXCOLOR (Color_BD)) |
2341 |
fore = Color_BD; |
2342 |
# if !ENABLE_STYLES |
2343 |
else |
2344 |
invert = !invert; |
2345 |
# endif |
2346 |
} |
2347 |
|
2348 |
if (rend & RS_Italic && fore == Color_fg) |
2349 |
{ |
2350 |
if (ISSET_PIXCOLOR (Color_IT)) |
2351 |
fore = Color_IT; |
2352 |
# if !ENABLE_STYLES |
2353 |
else |
2354 |
invert = !invert; |
2355 |
# endif |
2356 |
} |
2357 |
|
2358 |
if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL)) |
2359 |
fore = Color_UL; |
2360 |
#endif |
2361 |
|
2362 |
#ifdef OPTION_HC |
2363 |
if (rend & RS_Sel) |
2364 |
{ |
2365 |
/* invert the column if no highlightColor is set or it is the |
2366 |
* current cursor column */ |
2367 |
if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col) |
2368 |
&& ISSET_PIXCOLOR (Color_HC)) |
2369 |
{ |
2370 |
if (ISSET_PIXCOLOR (Color_HTC)) |
2371 |
fore = Color_HTC; |
2372 |
// if invert is 0 reverse video is set so we use bg color as fg color |
2373 |
else if (!invert) |
2374 |
fore = back; |
2375 |
|
2376 |
back = Color_HC; |
2377 |
invert = 0; |
2378 |
} |
2379 |
} |
2380 |
#endif |
2381 |
|
2382 |
if (invert) |
2383 |
{ |
2384 |
::swap (fore, back); |
2385 |
|
2386 |
#ifndef NO_BOLD_UNDERLINE_REVERSE |
2387 |
if (fore == back) |
2388 |
{ |
2389 |
fore = Color_bg; |
2390 |
back = Color_fg; |
2391 |
} |
2392 |
#endif |
2393 |
} |
2394 |
|
2395 |
#ifdef TEXT_BLINK |
2396 |
if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) |
2397 |
{ |
2398 |
if (!text_blink_ev.is_active ()) |
2399 |
{ |
2400 |
text_blink_ev.again (); |
2401 |
hidden_text = 0; |
2402 |
} |
2403 |
else if (hidden_text) |
2404 |
fore = back; |
2405 |
} |
2406 |
#endif |
2407 |
|
2408 |
#if ENABLE_STYLES |
2409 |
// "careful" (too wide) character handling |
2410 |
|
2411 |
// include previous careful character(s) if possible, looks nicer (best effort...) |
2412 |
while (text > stp |
2413 |
&& srp[text - stp - 1] & RS_Careful |
2414 |
&& RS_SAME (rend, srp[text - stp - 1])) |
2415 |
text--, count++, xpixel -= fwidth; |
2416 |
|
2417 |
// force redraw after "careful" characters to avoid pixel droppings |
2418 |
for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++) |
2419 |
drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw; |
2420 |
|
2421 |
// force redraw before "careful" characters to avoid pixel droppings |
2422 |
for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++) |
2423 |
drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw; |
2424 |
#endif |
2425 |
} |
2426 |
|
2427 |
/* |
2428 |
* Actually do the drawing of the string here |
2429 |
*/ |
2430 |
rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; |
2431 |
|
2432 |
if (ecb_likely (have_bg && back == Color_bg)) |
2433 |
{ |
2434 |
// this is very ugly, maybe push it into ->draw? |
2435 |
|
2436 |
for (i = 0; i < count; i++) /* don't draw empty strings */ |
2437 |
if (text[i] != ' ') |
2438 |
{ |
2439 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent); |
2440 |
goto did_clear; |
2441 |
} |
2442 |
|
2443 |
CLEAR_CHARS (xpixel, ypixel, count); |
2444 |
did_clear: ; |
2445 |
} |
2446 |
else |
2447 |
font->draw (*drawable, xpixel, ypixel, text, count, fore, back); |
2448 |
|
2449 |
if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back)) |
2450 |
{ |
2451 |
#if ENABLE_FRILLS |
2452 |
if (ISSET_PIXCOLOR (Color_underline)) |
2453 |
XSetForeground (dpy, gc, pix_colors[Color_underline]); |
2454 |
else |
2455 |
#endif |
2456 |
XSetForeground (dpy, gc, pix_colors[fore]); |
2457 |
|
2458 |
XDrawLine (dpy, vt, gc, |
2459 |
xpixel, ypixel + font->ascent + 1, |
2460 |
xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); |
2461 |
} |
2462 |
} /* for (col....) */ |
2463 |
} /* for (row....) */ |
2464 |
|
2465 |
/* |
2466 |
* G: cleanup cursor and display outline cursor if necessary |
2467 |
*/ |
2468 |
if (showcursor) |
2469 |
{ |
2470 |
if (focus) |
2471 |
scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend); |
2472 |
else if (oldcursor.row >= 0) |
2473 |
{ |
2474 |
int cursorwidth = 1; |
2475 |
int col = oldcursor.col; |
2476 |
|
2477 |
while (col && ROW(screen.cur.row).t[col] == NOCHAR) |
2478 |
col--; |
2479 |
|
2480 |
while (col + cursorwidth < ncol |
2481 |
&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR) |
2482 |
cursorwidth++; |
2483 |
|
2484 |
#ifndef NO_CURSORCOLOR |
2485 |
if (ISSET_PIXCOLOR (Color_cursor)) |
2486 |
XSetForeground (dpy, gc, pix_colors[Color_cursor]); |
2487 |
else |
2488 |
#endif |
2489 |
XSetForeground (dpy, gc, pix_colors[ccol1]); |
2490 |
|
2491 |
XDrawRectangle (dpy, vt, gc, |
2492 |
Col2Pixel (col), |
2493 |
Row2Pixel (oldcursor.row), |
2494 |
(unsigned int) (Width2Pixel (cursorwidth) - 1), |
2495 |
(unsigned int) (Height2Pixel (1) - 1)); |
2496 |
} |
2497 |
} |
2498 |
|
2499 |
/* |
2500 |
* H: cleanup selection |
2501 |
*/ |
2502 |
#if ENABLE_OVERLAY |
2503 |
scr_swap_overlay (); |
2504 |
#endif |
2505 |
HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END)); |
2506 |
|
2507 |
scr_reverse_selection (); |
2508 |
|
2509 |
screen.flags = old_screen_flags; |
2510 |
num_scr = 0; |
2511 |
num_scr_allow = 1; |
2512 |
} |
2513 |
|
2514 |
void ecb_cold |
2515 |
rxvt_term::scr_remap_chars (line_t &l) NOTHROW |
2516 |
{ |
2517 |
if (!l.valid ()) |
2518 |
return; |
2519 |
|
2520 |
l.touch (); // maybe a bit of an overkill, but it's not performance-relevant |
2521 |
|
2522 |
for (int i = ncol; i--; ) |
2523 |
l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); |
2524 |
} |
2525 |
|
2526 |
void ecb_cold |
2527 |
rxvt_term::scr_remap_chars () NOTHROW |
2528 |
{ |
2529 |
for (int i = total_rows; i--; ) |
2530 |
scr_remap_chars (row_buf [i]); |
2531 |
|
2532 |
for (int i = nrow; i--; ) |
2533 |
{ |
2534 |
scr_remap_chars (drawn_buf [i]); |
2535 |
scr_remap_chars (swap_buf [i]); |
2536 |
} |
2537 |
} |
2538 |
|
2539 |
void ecb_cold |
2540 |
rxvt_term::scr_recolour (bool refresh) NOTHROW |
2541 |
{ |
2542 |
bool transparent = false; |
2543 |
|
2544 |
#ifdef HAVE_IMG |
2545 |
if (bg_img != 0) |
2546 |
{ |
2547 |
# if ENABLE_TRANSPARENCY |
2548 |
if (bg_flags & BG_IS_TRANSPARENT) |
2549 |
{ |
2550 |
XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm); |
2551 |
XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); |
2552 |
|
2553 |
transparent = true; |
2554 |
} |
2555 |
else |
2556 |
# endif |
2557 |
{ |
2558 |
XSetWindowBackground (dpy, parent, pix_colors[Color_border]); |
2559 |
XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm); |
2560 |
} |
2561 |
} |
2562 |
else |
2563 |
#endif |
2564 |
{ |
2565 |
XSetWindowBackground (dpy, parent, pix_colors[Color_border]); |
2566 |
XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); |
2567 |
} |
2568 |
|
2569 |
XClearWindow (dpy, parent); |
2570 |
|
2571 |
if (scrollBar.win) |
2572 |
{ |
2573 |
if (transparent) |
2574 |
XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); |
2575 |
else |
2576 |
XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]); |
2577 |
scrollBar.state = SB_STATE_IDLE; |
2578 |
scrollBar.show (0); |
2579 |
} |
2580 |
|
2581 |
if (refresh) |
2582 |
{ |
2583 |
scr_clear (); |
2584 |
scr_touch (true); |
2585 |
} |
2586 |
want_refresh = 1; |
2587 |
} |
2588 |
|
2589 |
/* ------------------------------------------------------------------------- */ |
2590 |
void |
2591 |
rxvt_term::scr_clear (bool really) NOTHROW |
2592 |
{ |
2593 |
if (!mapped) |
2594 |
return; |
2595 |
|
2596 |
num_scr_allow = 0; |
2597 |
want_refresh = 1; |
2598 |
|
2599 |
if (really) |
2600 |
XClearWindow (dpy, vt); |
2601 |
} |
2602 |
|
2603 |
void |
2604 |
rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW |
2605 |
{ |
2606 |
int view_end = view_start + nrow; |
2607 |
int row, col; |
2608 |
|
2609 |
for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) |
2610 |
{ |
2611 |
text_t *stp = ROW(row).t; |
2612 |
rend_t *srp = ROW(row).r; |
2613 |
|
2614 |
for (col = beg_col; col < end_col; col++) |
2615 |
srp[col] ^= rstyle1; |
2616 |
|
2617 |
while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col]))) |
2618 |
srp[col] ^= rstyle2; |
2619 |
|
2620 |
if (++col < end_col) |
2621 |
srp[col] ^= rstyle2; |
2622 |
} |
2623 |
} |
2624 |
|
2625 |
void |
2626 |
rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW |
2627 |
{ |
2628 |
int view_end = view_start + nrow; |
2629 |
int row, col; |
2630 |
|
2631 |
if (beg_row >= view_start) |
2632 |
{ |
2633 |
col = beg_col; |
2634 |
row = beg_row; |
2635 |
} |
2636 |
else |
2637 |
{ |
2638 |
col = 0; |
2639 |
row = view_start; |
2640 |
} |
2641 |
|
2642 |
for (; row < min (end_row, view_end); row++, col = 0) |
2643 |
for (rend_t *srp = ROW(row).r; col < ncol; col++) |
2644 |
srp[col] ^= rstyle; |
2645 |
|
2646 |
if (row == end_row) |
2647 |
for (rend_t *srp = ROW(row).r; col < end_col; col++) |
2648 |
srp[col] ^= rstyle; |
2649 |
} |
2650 |
|
2651 |
/* ------------------------------------------------------------------------- */ |
2652 |
void ecb_hot |
2653 |
rxvt_term::scr_reverse_selection () NOTHROW |
2654 |
{ |
2655 |
if (selection.op |
2656 |
&& current_screen == selection.screen |
2657 |
&& selection.end.row >= view_start) |
2658 |
{ |
2659 |
#if !ENABLE_MINIMAL |
2660 |
if (selection.rect) |
2661 |
scr_xor_rect (selection.beg.row, selection.beg.col, |
2662 |
selection.end.row, selection.end.col, |
2663 |
RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline); |
2664 |
else |
2665 |
#endif |
2666 |
scr_xor_span (selection.beg.row, selection.beg.col, |
2667 |
selection.end.row, selection.end.col, |
2668 |
RS_Sel | RS_RVid); |
2669 |
} |
2670 |
} |
2671 |
|
2672 |
/* ------------------------------------------------------------------------- */ |
2673 |
/* |
2674 |
* Dump the whole scrollback and screen to the passed filedescriptor. The |
2675 |
* invoking routine must close the fd. |
2676 |
*/ |
2677 |
#if 0 |
2678 |
void |
2679 |
rxvt_term::scr_dump (int fd) NOTHROW |
2680 |
{ |
2681 |
// if this method is needed, it can be implemented by factoring the |
2682 |
// relevant code in scr_printscreen |
2683 |
} |
2684 |
#endif |
2685 |
|
2686 |
/* ------------------------------------------------------------------------- * |
2687 |
* CHARACTER SELECTION * |
2688 |
* ------------------------------------------------------------------------- */ |
2689 |
void |
2690 |
rxvt_term::selection_check (int check_more) NOTHROW |
2691 |
{ |
2692 |
if (!selection.op) |
2693 |
return; |
2694 |
|
2695 |
if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) |
2696 |
|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow) |
2697 |
|| !IN_RANGE_EXC (selection.end.row, top_row, nrow) |
2698 |
|| (check_more == 1 |
2699 |
&& current_screen == selection.screen |
2700 |
&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg) |
2701 |
&& ROWCOL_IS_BEFORE (screen.cur, selection.end))) |
2702 |
CLEAR_ALL_SELECTION (); |
2703 |
} |
2704 |
|
2705 |
void |
2706 |
rxvt_term::selection_changed () NOTHROW |
2707 |
{ |
2708 |
line_t &r1 = ROW (selection.beg.row); |
2709 |
while (selection.beg.col > 0 && r1.t [selection.beg.col] == NOCHAR) |
2710 |
--selection.beg.col; |
2711 |
|
2712 |
line_t &r2 = ROW (selection.end.row); |
2713 |
while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR) |
2714 |
++selection.end.col; |
2715 |
|
2716 |
want_refresh = 1; |
2717 |
} |
2718 |
|
2719 |
/* ------------------------------------------------------------------------- */ |
2720 |
/* |
2721 |
* Paste a selection direct to the command fd |
2722 |
*/ |
2723 |
void |
2724 |
rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW |
2725 |
{ |
2726 |
/* convert normal newline chars into common keyboard Return key sequence */ |
2727 |
for (unsigned int i = 0; i < len; i++) |
2728 |
if (data[i] == C0_LF) |
2729 |
data[i] = C0_CR; |
2730 |
|
2731 |
if (priv_modes & PrivMode_BracketPaste) |
2732 |
tt_printf ("\x1b[200~"); |
2733 |
|
2734 |
tt_write (data, len); |
2735 |
|
2736 |
if (priv_modes & PrivMode_BracketPaste) |
2737 |
tt_printf ("\x1b[201~"); |
2738 |
} |
2739 |
|
2740 |
void |
2741 |
rxvt_term::paste (char *data, unsigned int len) NOTHROW |
2742 |
{ |
2743 |
if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END))) |
2744 |
return; |
2745 |
|
2746 |
tt_paste (data, len); |
2747 |
} |
2748 |
|
2749 |
/* ------------------------------------------------------------------------- */ |
2750 |
/* |
2751 |
* Request PRIMARY, SECONDARY or CLIPBOARD selection. |
2752 |
* if the requested selection has no owner or is empty CUT_BUFFER0 is used |
2753 |
* as fallback |
2754 |
* EXT: button 2 release |
2755 |
*/ |
2756 |
void |
2757 |
rxvt_term::selection_request (Time tm, int selnum) NOTHROW |
2758 |
{ |
2759 |
if (!selection_req) |
2760 |
{ |
2761 |
selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this); |
2762 |
selection_req->run (); |
2763 |
} |
2764 |
} |
2765 |
|
2766 |
/* ------------------------------------------------------------------------- */ |
2767 |
/* |
2768 |
* Clear all selected text |
2769 |
* EXT: SelectionClear |
2770 |
*/ |
2771 |
void |
2772 |
rxvt_term::selection_clear (bool clipboard) NOTHROW |
2773 |
{ |
2774 |
if (!clipboard) |
2775 |
{ |
2776 |
want_refresh = 1; |
2777 |
free (selection.text); |
2778 |
selection.text = NULL; |
2779 |
selection.len = 0; |
2780 |
CLEAR_SELECTION (); |
2781 |
|
2782 |
if (display->selection_owner == this) |
2783 |
display->selection_owner = 0; |
2784 |
} |
2785 |
else |
2786 |
{ |
2787 |
free (selection.clip_text); |
2788 |
selection.clip_text = NULL; |
2789 |
selection.clip_len = 0; |
2790 |
|
2791 |
if (display->clipboard_owner == this) |
2792 |
display->clipboard_owner = 0; |
2793 |
} |
2794 |
} |
2795 |
|
2796 |
/* ------------------------------------------------------------------------- */ |
2797 |
/* |
2798 |
* Copy a selection into the cut buffer |
2799 |
* EXT: button 1 or 3 release |
2800 |
*/ |
2801 |
void |
2802 |
rxvt_term::selection_make (Time tm) |
2803 |
{ |
2804 |
int size; |
2805 |
wchar_t *new_selection_text; |
2806 |
text_t *t; |
2807 |
|
2808 |
switch (selection.op) |
2809 |
{ |
2810 |
case SELECTION_CONT: |
2811 |
break; |
2812 |
case SELECTION_INIT: |
2813 |
CLEAR_SELECTION (); |
2814 |
/* FALLTHROUGH */ |
2815 |
case SELECTION_BEGIN: |
2816 |
selection.op = SELECTION_DONE; |
2817 |
/* FALLTHROUGH */ |
2818 |
default: |
2819 |
return; |
2820 |
} |
2821 |
|
2822 |
selection.op = SELECTION_DONE; |
2823 |
|
2824 |
if (selection.clicks == 4) |
2825 |
return; /* nothing selected, go away */ |
2826 |
|
2827 |
if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) |
2828 |
return; |
2829 |
|
2830 |
size = (selection.end.row - selection.beg.row + 1) * (ncol + 1); |
2831 |
new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t)); |
2832 |
|
2833 |
int ofs = 0; |
2834 |
int extra = 0; |
2835 |
|
2836 |
int col = selection.beg.col; |
2837 |
int row = selection.beg.row; |
2838 |
|
2839 |
int end_col; |
2840 |
|
2841 |
for (; row <= selection.end.row; row++, col = 0) |
2842 |
{ |
2843 |
#if !ENABLE_MINIMAL |
2844 |
if (selection.rect) |
2845 |
{ |
2846 |
col = selection.beg.col; |
2847 |
end_col = selection.end.col; |
2848 |
} |
2849 |
else |
2850 |
#endif |
2851 |
end_col = ROW(row).l; |
2852 |
|
2853 |
col = max (col, 0); |
2854 |
|
2855 |
if (row == selection.end.row) |
2856 |
min_it (end_col, selection.end.col); |
2857 |
|
2858 |
t = ROW(row).t + col; |
2859 |
|
2860 |
for (; col < end_col; col++) |
2861 |
{ |
2862 |
if (*t == NOCHAR) |
2863 |
t++; |
2864 |
#if ENABLE_COMBINING |
2865 |
else if (IS_COMPOSE (*t)) |
2866 |
{ |
2867 |
int len = rxvt_composite.expand (*t, 0); |
2868 |
|
2869 |
extra -= (len - 1); |
2870 |
|
2871 |
if (extra < 0) |
2872 |
{ |
2873 |
extra += size; |
2874 |
size += size; |
2875 |
new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t)); |
2876 |
} |
2877 |
|
2878 |
ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); |
2879 |
} |
2880 |
#endif |
2881 |
else |
2882 |
new_selection_text[ofs++] = *t++; |
2883 |
} |
2884 |
|
2885 |
#if !ENABLE_MINIMAL |
2886 |
if (selection.rect) |
2887 |
{ |
2888 |
while (ofs |
2889 |
&& new_selection_text[ofs - 1] != C0_LF |
2890 |
&& unicode::is_space (new_selection_text[ofs - 1])) |
2891 |
--ofs; |
2892 |
|
2893 |
new_selection_text[ofs++] = C0_LF; |
2894 |
} |
2895 |
else |
2896 |
#endif |
2897 |
if (!ROW(row).is_longer () |
2898 |
&& (row != selection.end.row || end_col != selection.end.col) |
2899 |
&& (row != selection.beg.row || selection.beg.col < ncol)) |
2900 |
new_selection_text[ofs++] = C0_LF; |
2901 |
} |
2902 |
|
2903 |
new_selection_text[ofs] = 0; |
2904 |
|
2905 |
if (ofs == 0) |
2906 |
{ |
2907 |
free (new_selection_text); |
2908 |
return; |
2909 |
} |
2910 |
|
2911 |
free (selection.text); |
2912 |
|
2913 |
// we usually allocate much more than necessary, so realloc it smaller again |
2914 |
selection.len = ofs; |
2915 |
selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); |
2916 |
|
2917 |
if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END))) |
2918 |
return; |
2919 |
|
2920 |
selection_grab (tm); |
2921 |
} |
2922 |
|
2923 |
bool |
2924 |
rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW |
2925 |
{ |
2926 |
Atom sel; |
2927 |
|
2928 |
if (!clipboard) |
2929 |
{ |
2930 |
selection_time = tm; |
2931 |
sel = XA_PRIMARY; |
2932 |
} |
2933 |
else |
2934 |
{ |
2935 |
clipboard_time = tm; |
2936 |
sel = xa[XA_CLIPBOARD]; |
2937 |
} |
2938 |
|
2939 |
XSetSelectionOwner (dpy, sel, vt, tm); |
2940 |
if (XGetSelectionOwner (dpy, sel) == vt) |
2941 |
{ |
2942 |
display->set_selection_owner (this, clipboard); |
2943 |
return true; |
2944 |
} |
2945 |
else |
2946 |
{ |
2947 |
selection_clear (clipboard); |
2948 |
return false; |
2949 |
} |
2950 |
|
2951 |
#if 0 |
2952 |
XTextProperty ct; |
2953 |
|
2954 |
if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0) |
2955 |
{ |
2956 |
set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); |
2957 |
XFree (ct.value); |
2958 |
} |
2959 |
#endif |
2960 |
} |
2961 |
|
2962 |
/* ------------------------------------------------------------------------- */ |
2963 |
/* |
2964 |
* Mark or select text based upon number of clicks: 1, 2, or 3 |
2965 |
* EXT: button 1 press |
2966 |
*/ |
2967 |
void ecb_cold |
2968 |
rxvt_term::selection_click (int clicks, int x, int y) NOTHROW |
2969 |
{ |
2970 |
clicks = ((clicks - 1) % 3) + 1; |
2971 |
selection.clicks = clicks; /* save clicks so extend will work */ |
2972 |
|
2973 |
if (clicks == 2 && !selection.rect |
2974 |
&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END))) |
2975 |
{ |
2976 |
MEvent.clicks = 1; // what a mess |
2977 |
selection.screen = current_screen; |
2978 |
selection.op = SELECTION_CONT; |
2979 |
return; |
2980 |
} |
2981 |
|
2982 |
selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); |
2983 |
|
2984 |
if (clicks == 2 || clicks == 3) |
2985 |
selection_extend_colrow (selection.mark.col, |
2986 |
selection.mark.row - view_start, |
2987 |
0, /* button 3 */ |
2988 |
1, /* button press */ |
2989 |
0); /* click change */ |
2990 |
} |
2991 |
|
2992 |
/* ------------------------------------------------------------------------- */ |
2993 |
/* |
2994 |
* Mark a selection at the specified col/row |
2995 |
*/ |
2996 |
void ecb_cold |
2997 |
rxvt_term::selection_start_colrow (int col, int row) NOTHROW |
2998 |
{ |
2999 |
want_refresh = 1; |
3000 |
|
3001 |
selection.mark.row = row + view_start; |
3002 |
selection.mark.col = col; |
3003 |
|
3004 |
selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1); |
3005 |
selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); |
3006 |
|
3007 |
while (selection.mark.col > 0 |
3008 |
&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) |
3009 |
--selection.mark.col; |
3010 |
|
3011 |
if (selection.op) |
3012 |
{ |
3013 |
/* clear the old selection */ |
3014 |
selection.beg.row = selection.end.row = selection.mark.row; |
3015 |
selection.beg.col = selection.end.col = selection.mark.col; |
3016 |
} |
3017 |
|
3018 |
selection.op = SELECTION_INIT; |
3019 |
selection.screen = current_screen; |
3020 |
} |
3021 |
|
3022 |
/* ------------------------------------------------------------------------- */ |
3023 |
/* |
3024 |
* Word select: select text for 2 clicks |
3025 |
* We now only find out the boundary in one direction |
3026 |
*/ |
3027 |
|
3028 |
/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ |
3029 |
#define DELIMIT_TEXT(x) \ |
3030 |
(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) |
3031 |
#define DELIMIT_REND(x) 1 |
3032 |
|
3033 |
void ecb_cold |
3034 |
rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW |
3035 |
{ |
3036 |
int col, row, dirnadd, tcol, trow, w1, w2; |
3037 |
row_col_t bound; |
3038 |
text_t *stp; |
3039 |
rend_t *srp; |
3040 |
|
3041 |
if (dirn == UP) |
3042 |
{ |
3043 |
bound.row = top_row - 1; |
3044 |
bound.col = 0; |
3045 |
dirnadd = -1; |
3046 |
} |
3047 |
else |
3048 |
{ |
3049 |
bound.row = nrow; |
3050 |
bound.col = ncol - 1; |
3051 |
dirnadd = 1; |
3052 |
} |
3053 |
|
3054 |
row = mark->row; |
3055 |
col = max (mark->col, 0); |
3056 |
|
3057 |
/* find the edge of a word */ |
3058 |
stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp); |
3059 |
srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp); |
3060 |
|
3061 |
for (;;) |
3062 |
{ |
3063 |
for (; col != bound.col; col += dirnadd) |
3064 |
{ |
3065 |
stp += dirnadd; |
3066 |
srp += dirnadd; |
3067 |
|
3068 |
if (*stp == NOCHAR) |
3069 |
continue; |
3070 |
|
3071 |
if (DELIMIT_TEXT (*stp) != w1) |
3072 |
break; |
3073 |
if (DELIMIT_REND (*srp) != w2) |
3074 |
break; |
3075 |
} |
3076 |
|
3077 |
if ((col == bound.col) && (row != bound.row)) |
3078 |
{ |
3079 |
if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ()) |
3080 |
{ |
3081 |
trow = row + dirnadd; |
3082 |
tcol = dirn == UP ? ncol - 1 : 0; |
3083 |
|
3084 |
if (!ROW(trow).t) |
3085 |
break; |
3086 |
|
3087 |
stp = ROW(trow).t + tcol; |
3088 |
srp = ROW(trow).r + tcol; |
3089 |
|
3090 |
if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) |
3091 |
break; |
3092 |
|
3093 |
row = trow; |
3094 |
col = tcol; |
3095 |
continue; |
3096 |
} |
3097 |
} |
3098 |
break; |
3099 |
} |
3100 |
|
3101 |
if (dirn == DN) |
3102 |
col++; /* put us on one past the end */ |
3103 |
|
3104 |
/* Poke the values back in */ |
3105 |
ret->row = row; |
3106 |
ret->col = col; |
3107 |
} |
3108 |
|
3109 |
/* ------------------------------------------------------------------------- */ |
3110 |
/* |
3111 |
* Extend the selection to the specified x/y pixel location |
3112 |
* EXT: button 3 press; button 1 or 3 drag |
3113 |
* flag == 0 ==> button 1 |
3114 |
* flag == 1 ==> button 3 press |
3115 |
* flag == 2 ==> button 3 motion |
3116 |
*/ |
3117 |
void ecb_cold |
3118 |
rxvt_term::selection_extend (int x, int y, int flag) NOTHROW |
3119 |
{ |
3120 |
int col = clamp (Pixel2Col (x), 0, ncol); |
3121 |
int row = clamp (Pixel2Row (y), 0, nrow - 1); |
3122 |
|
3123 |
/* |
3124 |
* If we're selecting characters (single click) then we must check first |
3125 |
* if we are at the same place as the original mark. If we are then |
3126 |
* select nothing. Otherwise, if we're to the right of the mark, you have to |
3127 |
* be _past_ a character for it to be selected. |
3128 |
*/ |
3129 |
if (((selection.clicks % 3) == 1) && !flag |
3130 |
&& (col == selection.mark.col |
3131 |
&& (row == selection.mark.row - view_start))) |
3132 |
{ |
3133 |
/* select nothing */ |
3134 |
selection.beg.row = selection.end.row = 0; |
3135 |
selection.beg.col = selection.end.col = 0; |
3136 |
selection.clicks = 4; |
3137 |
want_refresh = 1; |
3138 |
return; |
3139 |
} |
3140 |
|
3141 |
if (selection.clicks == 4) |
3142 |
selection.clicks = 1; |
3143 |
|
3144 |
selection_extend_colrow (col, row, !!flag, /* ? button 3 */ |
3145 |
flag == 1 ? 1 : 0, /* ? button press */ |
3146 |
0); /* no click change */ |
3147 |
} |
3148 |
|
3149 |
/* ------------------------------------------------------------------------- */ |
3150 |
/* |
3151 |
* Extend the selection to the specified col/row |
3152 |
*/ |
3153 |
void ecb_cold |
3154 |
rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW |
3155 |
{ |
3156 |
row_col_t pos; |
3157 |
enum { |
3158 |
LEFT, RIGHT |
3159 |
} closeto = RIGHT; |
3160 |
|
3161 |
switch (selection.op) |
3162 |
{ |
3163 |
case SELECTION_INIT: |
3164 |
CLEAR_SELECTION (); |
3165 |
selection.op = SELECTION_BEGIN; |
3166 |
/* FALLTHROUGH */ |
3167 |
case SELECTION_BEGIN: |
3168 |
if (row != selection.mark.row || col != selection.mark.col |
3169 |
|| (!button3 && buttonpress)) |
3170 |
selection.op = SELECTION_CONT; |
3171 |
break; |
3172 |
case SELECTION_DONE: |
3173 |
selection.op = SELECTION_CONT; |
3174 |
/* FALLTHROUGH */ |
3175 |
case SELECTION_CONT: |
3176 |
break; |
3177 |
case SELECTION_CLEAR: |
3178 |
selection_start_colrow (col, row); |
3179 |
/* FALLTHROUGH */ |
3180 |
default: |
3181 |
return; |
3182 |
} |
3183 |
|
3184 |
if (selection.beg.col == selection.end.col |
3185 |
&& selection.beg.col != selection.mark.col |
3186 |
&& selection.beg.row == selection.end.row |
3187 |
&& selection.beg.row != selection.mark.row) |
3188 |
{ |
3189 |
selection.beg.col = selection.end.col = selection.mark.col; |
3190 |
selection.beg.row = selection.end.row = selection.mark.row; |
3191 |
} |
3192 |
|
3193 |
pos.col = col; |
3194 |
pos.row = view_start + row; |
3195 |
|
3196 |
/* |
3197 |
* This is mainly xterm style selection with a couple of differences, mainly |
3198 |
* in the way button3 drag extension works. |
3199 |
* We're either doing: button1 drag; button3 press; or button3 drag |
3200 |
* a) button1 drag : select around a midpoint/word/line - that point/word/line |
3201 |
* is always at the left/right edge of the selection. |
3202 |
* b) button3 press: extend/contract character/word/line at whichever edge of |
3203 |
* the selection we are closest to. |
3204 |
* c) button3 drag : extend/contract character/word/line - we select around |
3205 |
* a point/word/line which is either the start or end of the selection |
3206 |
* and it was decided by whichever point/word/line was `fixed' at the |
3207 |
* time of the most recent button3 press |
3208 |
*/ |
3209 |
if (button3 && buttonpress) |
3210 |
{ |
3211 |
/* button3 press */ |
3212 |
/* |
3213 |
* first determine which edge of the selection we are closest to |
3214 |
*/ |
3215 |
if (ROWCOL_IS_BEFORE (pos, selection.beg) |
3216 |
|| (!ROWCOL_IS_AFTER (pos, selection.end) |
3217 |
&& (((pos.col - selection.beg.col) |
3218 |
+ ((pos.row - selection.beg.row) * ncol)) |
3219 |
< ((selection.end.col - pos.col) |
3220 |
+ ((selection.end.row - pos.row) * ncol))))) |
3221 |
closeto = LEFT; |
3222 |
|
3223 |
if (closeto == LEFT) |
3224 |
{ |
3225 |
selection.beg.row = pos.row; |
3226 |
selection.beg.col = pos.col; |
3227 |
selection.mark.row = selection.end.row; |
3228 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3229 |
} |
3230 |
else |
3231 |
{ |
3232 |
selection.end.row = pos.row; |
3233 |
selection.end.col = pos.col; |
3234 |
selection.mark.row = selection.beg.row; |
3235 |
selection.mark.col = selection.beg.col; |
3236 |
} |
3237 |
} |
3238 |
else |
3239 |
{ |
3240 |
/* button1 drag or button3 drag */ |
3241 |
if (ROWCOL_IS_AFTER (selection.mark, pos)) |
3242 |
{ |
3243 |
if (selection.mark.row == selection.end.row |
3244 |
&& selection.mark.col == selection.end.col |
3245 |
&& clickchange |
3246 |
&& selection.clicks == 2) |
3247 |
selection.mark.col--; |
3248 |
|
3249 |
selection.beg.row = pos.row; |
3250 |
selection.beg.col = pos.col; |
3251 |
selection.end.row = selection.mark.row; |
3252 |
selection.end.col = selection.mark.col + (selection.clicks == 2); |
3253 |
} |
3254 |
else |
3255 |
{ |
3256 |
selection.beg.row = selection.mark.row; |
3257 |
selection.beg.col = selection.mark.col; |
3258 |
selection.end.row = pos.row; |
3259 |
selection.end.col = pos.col; |
3260 |
} |
3261 |
} |
3262 |
|
3263 |
if (selection.clicks == 1) |
3264 |
{ |
3265 |
if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN |
3266 |
&& !ROW(selection.beg.row).is_longer () |
3267 |
#if !ENABLE_MINIMAL |
3268 |
&& !selection.rect |
3269 |
#endif |
3270 |
) |
3271 |
selection.beg.col = ncol; |
3272 |
|
3273 |
if ( |
3274 |
selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN |
3275 |
&& !ROW(selection.end.row).is_longer () |
3276 |
#if !ENABLE_MINIMAL |
3277 |
&& !selection.rect |
3278 |
#endif |
3279 |
) |
3280 |
selection.end.col = ncol; |
3281 |
} |
3282 |
else if (selection.clicks == 2) |
3283 |
{ |
3284 |
if (ROWCOL_IS_AFTER (selection.end, selection.beg)) |
3285 |
selection.end.col--; |
3286 |
|
3287 |
selection_delimit_word (UP, &selection.beg, &selection.beg); |
3288 |
selection_delimit_word (DN, &selection.end, &selection.end); |
3289 |
} |
3290 |
else if (selection.clicks == 3) |
3291 |
{ |
3292 |
#if ENABLE_FRILLS |
3293 |
if (option (Opt_tripleclickwords)) |
3294 |
{ |
3295 |
selection_delimit_word (UP, &selection.beg, &selection.beg); |
3296 |
|
3297 |
for (int end_row = selection.mark.row; end_row < nrow; end_row++) |
3298 |
{ |
3299 |
if (!ROW(end_row).is_longer ()) |
3300 |
{ |
3301 |
selection.end.row = end_row; |
3302 |
selection.end.col = ROW(end_row).l; |
3303 |
# if !ENABLE_MINIMAL |
3304 |
selection_remove_trailing_spaces (); |
3305 |
# endif |
3306 |
break; |
3307 |
} |
3308 |
} |
3309 |
} |
3310 |
else |
3311 |
#endif |
3312 |
{ |
3313 |
if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) |
3314 |
selection.mark.col++; |
3315 |
|
3316 |
selection.beg.col = 0; |
3317 |
selection.end.col = ncol; |
3318 |
|
3319 |
// select a complete logical line |
3320 |
while (selection.beg.row > -saveLines |
3321 |
&& ROW(selection.beg.row - 1).is_longer ()) |
3322 |
selection.beg.row--; |
3323 |
|
3324 |
while (selection.end.row < nrow |
3325 |
&& ROW(selection.end.row).is_longer ()) |
3326 |
selection.end.row++; |
3327 |
} |
3328 |
} |
3329 |
|
3330 |
if (button3 && buttonpress) |
3331 |
{ |
3332 |
/* mark may need to be changed */ |
3333 |
if (closeto == LEFT) |
3334 |
{ |
3335 |
selection.mark.row = selection.end.row; |
3336 |
selection.mark.col = selection.end.col - (selection.clicks == 2); |
3337 |
} |
3338 |
else |
3339 |
{ |
3340 |
selection.mark.row = selection.beg.row; |
3341 |
selection.mark.col = selection.beg.col; |
3342 |
} |
3343 |
} |
3344 |
|
3345 |
#if !ENABLE_MINIMAL |
3346 |
if (selection.rect && selection.beg.col > selection.end.col) |
3347 |
::swap (selection.beg.col, selection.end.col); |
3348 |
#endif |
3349 |
|
3350 |
selection_changed (); |
3351 |
} |
3352 |
|
3353 |
#if !ENABLE_MINIMAL |
3354 |
void ecb_cold |
3355 |
rxvt_term::selection_remove_trailing_spaces () NOTHROW |
3356 |
{ |
3357 |
int32_t end_col, end_row; |
3358 |
text_t *stp; |
3359 |
|
3360 |
end_col = selection.end.col; |
3361 |
end_row = selection.end.row; |
3362 |
|
3363 |
for (; end_row >= selection.beg.row; ) |
3364 |
{ |
3365 |
stp = ROW(end_row).t; |
3366 |
|
3367 |
while (--end_col >= 0) |
3368 |
{ |
3369 |
if (stp[end_col] != NOCHAR |
3370 |
&& !unicode::is_space (stp[end_col])) |
3371 |
break; |
3372 |
} |
3373 |
|
3374 |
if (end_col >= 0 |
3375 |
|| !ROW(end_row - 1).is_longer ()) |
3376 |
{ |
3377 |
selection.end.col = end_col + 1; |
3378 |
selection.end.row = end_row; |
3379 |
break; |
3380 |
} |
3381 |
|
3382 |
end_row--; |
3383 |
end_col = ncol; |
3384 |
} |
3385 |
|
3386 |
if (selection.mark.row > selection.end.row) |
3387 |
{ |
3388 |
selection.mark.row = selection.end.row; |
3389 |
selection.mark.col = selection.end.col; |
3390 |
} |
3391 |
else if (selection.mark.row == selection.end.row |
3392 |
&& selection.mark.col > selection.end.col) |
3393 |
selection.mark.col = selection.end.col; |
3394 |
} |
3395 |
#endif |
3396 |
|
3397 |
/* ------------------------------------------------------------------------- */ |
3398 |
/* |
3399 |
* Double click on button 3 when already selected |
3400 |
* EXT: button 3 double click |
3401 |
*/ |
3402 |
void ecb_cold |
3403 |
rxvt_term::selection_rotate (int x, int y) NOTHROW |
3404 |
{ |
3405 |
selection.clicks = selection.clicks % 3 + 1; |
3406 |
selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); |
3407 |
} |
3408 |
|
3409 |
/* ------------------------------------------------------------------------- */ |
3410 |
/* |
3411 |
* Respond to a request for our current selection |
3412 |
* EXT: SelectionRequest |
3413 |
*/ |
3414 |
void ecb_cold |
3415 |
rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW |
3416 |
{ |
3417 |
Atom property = rq.property == None ? rq.target : rq.property; |
3418 |
XSelectionEvent ev; |
3419 |
|
3420 |
ev.type = SelectionNotify; |
3421 |
ev.property = None; |
3422 |
ev.display = rq.display; |
3423 |
ev.requestor = rq.requestor; |
3424 |
ev.selection = rq.selection; |
3425 |
ev.target = rq.target; |
3426 |
ev.time = rq.time; |
3427 |
|
3428 |
if (rq.target == xa[XA_TARGETS]) |
3429 |
{ |
3430 |
Atom target_list[6]; |
3431 |
Atom *target = target_list; |
3432 |
|
3433 |
*target++ = xa[XA_TARGETS]; |
3434 |
*target++ = xa[XA_TIMESTAMP]; |
3435 |
*target++ = XA_STRING; |
3436 |
*target++ = xa[XA_TEXT]; |
3437 |
*target++ = xa[XA_COMPOUND_TEXT]; |
3438 |
#if X_HAVE_UTF8_STRING |
3439 |
*target++ = xa[XA_UTF8_STRING]; |
3440 |
#endif |
3441 |
|
3442 |
XChangeProperty (dpy, rq.requestor, property, XA_ATOM, |
3443 |
32, PropModeReplace, |
3444 |
(unsigned char *)target_list, target - target_list); |
3445 |
ev.property = property; |
3446 |
} |
3447 |
#if TODO // TODO |
3448 |
else if (rq.target == xa[XA_MULTIPLE]) |
3449 |
{ |
3450 |
/* TODO: Handle MULTIPLE */ |
3451 |
} |
3452 |
#endif |
3453 |
else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) |
3454 |
{ |
3455 |
XChangeProperty (dpy, rq.requestor, property, rq.target, |
3456 |
32, PropModeReplace, (unsigned char *)&selection_time, 1); |
3457 |
ev.property = property; |
3458 |
} |
3459 |
else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) |
3460 |
{ |
3461 |
XChangeProperty (dpy, rq.requestor, property, rq.target, |
3462 |
32, PropModeReplace, (unsigned char *)&clipboard_time, 1); |
3463 |
ev.property = property; |
3464 |
} |
3465 |
else if (rq.target == XA_STRING |
3466 |
|| rq.target == xa[XA_TEXT] |
3467 |
|| rq.target == xa[XA_COMPOUND_TEXT] |
3468 |
|| rq.target == xa[XA_UTF8_STRING] |
3469 |
) |
3470 |
{ |
3471 |
XTextProperty ct; |
3472 |
Atom target = rq.target; |
3473 |
short freect = 0; |
3474 |
int selectlen; |
3475 |
wchar_t *cl; |
3476 |
enum { |
3477 |
enc_string = XStringStyle, |
3478 |
enc_text = XStdICCTextStyle, |
3479 |
enc_compound_text = XCompoundTextStyle, |
3480 |
#ifdef X_HAVE_UTF8_STRING |
3481 |
enc_utf8 = XUTF8StringStyle, |
3482 |
#else |
3483 |
enc_utf8 = -1, |
3484 |
#endif |
3485 |
} style; |
3486 |
|
3487 |
if (target == XA_STRING) |
3488 |
// we actually don't do XA_STRING, but who cares, as i18n clients |
3489 |
// will ask for another format anyways. |
3490 |
style = enc_string; |
3491 |
else if (target == xa[XA_TEXT]) |
3492 |
style = enc_text; |
3493 |
else if (target == xa[XA_COMPOUND_TEXT]) |
3494 |
style = enc_compound_text; |
3495 |
#if !ENABLE_MINIMAL |
3496 |
else if (target == xa[XA_UTF8_STRING]) |
3497 |
style = enc_utf8; |
3498 |
#endif |
3499 |
else |
3500 |
{ |
3501 |
target = xa[XA_COMPOUND_TEXT]; |
3502 |
style = enc_compound_text; |
3503 |
} |
3504 |
|
3505 |
if (rq.selection == XA_PRIMARY && selection.text) |
3506 |
{ |
3507 |
cl = selection.text; |
3508 |
selectlen = selection.len; |
3509 |
} |
3510 |
else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) |
3511 |
{ |
3512 |
cl = selection.clip_text; |
3513 |
selectlen = selection.clip_len; |
3514 |
} |
3515 |
else |
3516 |
{ |
3517 |
cl = L""; |
3518 |
selectlen = 0; |
3519 |
} |
3520 |
|
3521 |
#if !ENABLE_MINIMAL |
3522 |
// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it |
3523 |
// so recode it manually |
3524 |
if (style == enc_utf8) |
3525 |
{ |
3526 |
freect = 1; |
3527 |
ct.encoding = target; |
3528 |
ct.format = 8; |
3529 |
ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen); |
3530 |
ct.nitems = strlen ((char *)ct.value); |
3531 |
} |
3532 |
else |
3533 |
#endif |
3534 |
if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0) |
3535 |
freect = 1; |
3536 |
else |
3537 |
{ |
3538 |
/* if we failed to convert then send it raw */ |
3539 |
ct.value = (unsigned char *)cl; |
3540 |
ct.nitems = selectlen; |
3541 |
ct.encoding = target; |
3542 |
} |
3543 |
|
3544 |
XChangeProperty (dpy, rq.requestor, property, |
3545 |
ct.encoding, 8, PropModeReplace, |
3546 |
ct.value, (int)ct.nitems); |
3547 |
ev.property = property; |
3548 |
|
3549 |
if (freect) |
3550 |
XFree (ct.value); |
3551 |
} |
3552 |
|
3553 |
XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); |
3554 |
} |
3555 |
|
3556 |
/* ------------------------------------------------------------------------- */ |
3557 |
#if USE_XIM |
3558 |
void ecb_cold |
3559 |
rxvt_term::im_set_position (XPoint &pos) NOTHROW |
3560 |
{ |
3561 |
XWindowAttributes xwa; |
3562 |
|
3563 |
XGetWindowAttributes (dpy, vt, &xwa); |
3564 |
|
3565 |
pos.x = xwa.x + Col2Pixel (screen.cur.col); |
3566 |
pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase; |
3567 |
} |
3568 |
#endif |
3569 |
|
3570 |
#if ENABLE_OVERLAY |
3571 |
void |
3572 |
rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW |
3573 |
{ |
3574 |
if (nrow < 1 || ncol < 1) |
3575 |
return; |
3576 |
|
3577 |
want_refresh = 1; |
3578 |
|
3579 |
scr_overlay_off (); |
3580 |
|
3581 |
if (x < 0) x = ncol - w; |
3582 |
if (y < 0) y = nrow - h; |
3583 |
|
3584 |
// make space for border |
3585 |
w += 2; min_it (w, ncol); |
3586 |
h += 2; min_it (h, nrow); |
3587 |
|
3588 |
x -= 1; clamp_it (x, 0, ncol - w); |
3589 |
y -= 1; clamp_it (y, 0, nrow - h); |
3590 |
|
3591 |
ov.x = x; ov.y = y; |
3592 |
ov.w = w; ov.h = h; |
3593 |
|
3594 |
ov.text = new text_t *[h]; |
3595 |
ov.rend = new rend_t *[h]; |
3596 |
|
3597 |
for (y = 0; y < h; y++) |
3598 |
{ |
3599 |
text_t *tp = ov.text[y] = new text_t[w]; |
3600 |
rend_t *rp = ov.rend[y] = new rend_t[w]; |
3601 |
|
3602 |
text_t t0, t1, t2; |
3603 |
rend_t r = OVERLAY_RSTYLE; |
3604 |
|
3605 |
if (y == 0) |
3606 |
t0 = 0x2554, t1 = 0x2550, t2 = 0x2557; |
3607 |
else if (y < h - 1) |
3608 |
t0 = 0x2551, t1 = 0x0020, t2 = 0x2551; |
3609 |
else |
3610 |
t0 = 0x255a, t1 = 0x2550, t2 = 0x255d; |
3611 |
|
3612 |
*tp++ = t0; |
3613 |
*rp++ = r; |
3614 |
|
3615 |
for (x = w - 2; x > 0; --x) |
3616 |
{ |
3617 |
*tp++ = t1; |
3618 |
*rp++ = r; |
3619 |
} |
3620 |
|
3621 |
*tp = t2; |
3622 |
*rp = r; |
3623 |
} |
3624 |
} |
3625 |
|
3626 |
void |
3627 |
rxvt_term::scr_overlay_off () NOTHROW |
3628 |
{ |
3629 |
if (!ov.text) |
3630 |
return; |
3631 |
|
3632 |
want_refresh = 1; |
3633 |
|
3634 |
for (int y = 0; y < ov.h; y++) |
3635 |
{ |
3636 |
delete [] ov.text[y]; |
3637 |
delete [] ov.rend[y]; |
3638 |
} |
3639 |
|
3640 |
delete [] ov.text; ov.text = 0; |
3641 |
delete [] ov.rend; ov.rend = 0; |
3642 |
} |
3643 |
|
3644 |
void |
3645 |
rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW |
3646 |
{ |
3647 |
if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2) |
3648 |
return; |
3649 |
|
3650 |
x++, y++; |
3651 |
|
3652 |
ov.text[y][x] = text; |
3653 |
ov.rend[y][x] = rend; |
3654 |
} |
3655 |
|
3656 |
void |
3657 |
rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW |
3658 |
{ |
3659 |
while (*s) |
3660 |
scr_overlay_set (x++, y, *s++); |
3661 |
} |
3662 |
|
3663 |
void |
3664 |
rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW |
3665 |
{ |
3666 |
while (*s) |
3667 |
{ |
3668 |
text_t t = *s++; |
3669 |
int width = WCWIDTH (t); |
3670 |
|
3671 |
while (width--) |
3672 |
{ |
3673 |
scr_overlay_set (x++, y, t); |
3674 |
t = NOCHAR; |
3675 |
} |
3676 |
} |
3677 |
} |
3678 |
|
3679 |
void |
3680 |
rxvt_term::scr_swap_overlay () NOTHROW |
3681 |
{ |
3682 |
if (!ov.text) |
3683 |
return; |
3684 |
|
3685 |
// hide cursor if it is within the overlay area |
3686 |
if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w) |
3687 |
&& IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h)) |
3688 |
screen.flags &= ~Screen_VisibleCursor; |
3689 |
|
3690 |
// swap screen mem with overlay |
3691 |
for (int y = ov.h; y--; ) |
3692 |
{ |
3693 |
text_t *t1 = ov.text[y]; |
3694 |
rend_t *r1 = ov.rend[y]; |
3695 |
|
3696 |
text_t *t2 = ROW(y + ov.y + view_start).t + ov.x; |
3697 |
rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x; |
3698 |
|
3699 |
for (int x = ov.w; x--; ) |
3700 |
{ |
3701 |
text_t t = *t1; *t1++ = *t2; *t2++ = t; |
3702 |
rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); |
3703 |
} |
3704 |
} |
3705 |
} |
3706 |
|
3707 |
#endif |
3708 |
/* ------------------------------------------------------------------------- */ |
3709 |
|