1 /*--------------------------------*-C-*--------------------------------------*
3 *---------------------------------------------------------------------------*
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *--------------------------------------------------------------------------*/
24 * This file handles _all_ screen updates and selections
27 #include "../config.h" /* NECESSARY */
29 #include "rxvt.h" /* NECESSARY */
30 #include "screen.intpro" /* PROTOS for internal routines */
32 #include <X11/Xmd.h> /* get the typedef for CARD32 */
37 #include "salloc.C" // HACK, should be a seperate compile!
39 inline void fill_text (text_t *start, text_t value, int len)
45 /* ------------------------------------------------------------------------- */
46 #define PROP_SIZE 16384
47 #define TABSIZE 8 /* default tab size */
49 /* ------------------------------------------------------------------------- *
50 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
51 * ------------------------------------------------------------------------- */
52 #define ZERO_SCROLLBACK() \
53 if (Options & Opt_scrollTtyOutput) \
54 TermWin.view_start = 0
55 #define CLEAR_SELECTION() \
56 selection.beg.row = selection.beg.col \
57 = selection.end.row = selection.end.col = 0
58 #define CLEAR_ALL_SELECTION() \
59 selection.beg.row = selection.beg.col \
60 = selection.mark.row = selection.mark.col \
61 = selection.end.row = selection.end.col = 0
63 #define ROW_AND_COL_IS_AFTER(A, B, C, D) \
64 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
65 #define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
66 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
67 #define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) > (D)))
69 #define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
70 (((A) == (C)) && ((B) >= (D)))
71 #define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) < (D)))
73 #define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
74 (((A) == (C)) && ((B) <= (D)))
76 /* these must be row_col_t */
77 #define ROWCOL_IS_AFTER(X, Y) \
78 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
79 #define ROWCOL_IS_BEFORE(X, Y) \
80 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
81 #define ROWCOL_IN_ROW_AFTER(X, Y) \
82 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
83 #define ROWCOL_IN_ROW_BEFORE(X, Y) \
84 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
85 #define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
87 #define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
88 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
91 * CLEAR_ROWS : clear <num> rows starting from row <row>
92 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
93 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 #define drawBuffer TermWin.vt
97 #define CLEAR_ROWS(row, num) \
99 XClearArea (display->display, drawBuffer, 0, \
100 Row2Pixel (row), (unsigned int)TermWin.width, \
101 (unsigned int)Height2Pixel (num), False)
103 #define CLEAR_CHARS(x, y, num) \
104 if (TermWin.mapped) \
105 XClearArea (display->display, drawBuffer, x, y, \
106 (unsigned int)Width2Pixel (num), \
107 (unsigned int)Height2Pixel (1), False)
109 #define ERASE_ROWS(row, num) \
110 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
111 0, Row2Pixel (row), \
112 (unsigned int)TermWin.width, \
113 (unsigned int)Height2Pixel (num))
115 /* ------------------------------------------------------------------------- *
116 * SCREEN `COMMON' ROUTINES *
117 * ------------------------------------------------------------------------- */
118 /* Fill part/all of a line with blanks. */
120 rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs)
122 efs &= ~RS_baseattrMask;
123 efs = SET_FONT (efs, TermWin.ascii_map [' ' - 0x20]);
132 /* ------------------------------------------------------------------------- */
133 /* Fill a full line with blanks - make sure it is allocated first */
135 rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs)
138 assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
142 tp[row] = (text_t *)talloc->alloc ();
143 rp[row] = (rend_t *)ralloc->alloc ();
146 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs);
149 /* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */
153 rxvt_term::scr_reset ()
155 unsigned int ncol, nrow, total_rows, prev_total_rows;
160 D_SCREEN ((stderr, "rxvt_scr_reset ()"));
162 TermWin.view_start = 0;
165 if (TermWin.ncol == 0)
168 if (TermWin.nrow == 0)
174 if (ncol == prev_ncol && nrow == prev_nrow)
179 total_rows = nrow + TermWin.saveLines;
180 prev_total_rows = prev_nrow + TermWin.saveLines;
183 screen.bscroll = nrow - 1;
187 talloc = new rxvt_salloc (ncol * sizeof (text_t));
188 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
194 * first time called so just malloc everything: don't rely on realloc
195 * Note: this is still needed so that all the scrollback lines are NULL
197 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
198 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
199 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
200 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
202 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
203 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
205 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
206 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
207 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
208 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
210 for (p = 0; p < nrow; p++)
212 q = p + TermWin.saveLines;
213 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
214 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
215 screen.tlen[q] = swap.tlen[p] = 0;
216 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
219 MEMSET (charsets, 'B', sizeof (charsets));
220 TermWin.nscrolled = 0; /* no saved lines */
221 rstyle = DEFAULT_RSTYLE;
222 screen.flags = Screen_DefaultFlags;
223 screen.cur.row = screen.cur.col = 0;
225 current_screen = PRIMARY;
229 swap.flags = Screen_DefaultFlags;
230 swap.cur.row = swap.cur.col = 0;
232 current_screen = SECONDARY;
234 current_screen = PRIMARY;
237 selection.text = NULL;
239 selection.op = SELECTION_CLEAR;
240 selection.screen = PRIMARY;
241 selection.clicks = 0;
242 CLEAR_ALL_SELECTION ();
248 * add or delete rows as appropriate
250 setrstyle = DEFAULT_RSTYLE;
252 if (nrow < prev_nrow)
255 k = min (TermWin.nscrolled, prev_nrow - nrow);
256 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
258 for (p = nrow; p < prev_nrow; p++)
260 q = p + TermWin.saveLines;
265 assert (screen.rend[q]);
267 talloc->free (screen.text[q]);
268 ralloc->free (screen.rend[q]);
274 assert (swap.rend[p]);
276 talloc->free (swap.text[p]);
277 ralloc->free (swap.rend[p]);
281 assert (drawn_text[p] && drawn_rend[p]);
283 talloc->free (drawn_text[p]);
284 ralloc->free (drawn_rend[p]);
287 /* we have fewer rows so fix up cursor position */
288 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
289 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
291 scr_reset_realloc (); /* realloc _last_ */
293 else if (nrow > prev_nrow)
296 scr_reset_realloc (); /* realloc _first_ */
298 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
300 k = min (TermWin.nscrolled, nrow - prev_nrow);
302 for (p = prev_total_rows; p < total_rows; p++)
305 screen.text[p] = NULL;
306 screen.rend[p] = NULL;
309 for (p = prev_total_rows; p < total_rows - k; p++)
310 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
312 for (p = prev_nrow; p < nrow; p++)
317 drawn_text[p] = NULL;
318 drawn_rend[p] = NULL;
319 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
320 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
325 scr_scroll_text (0, (int)nrow - 1, -k, 1);
327 screen.s_cur.row += k;
328 TermWin.nscrolled -= k;
331 assert (screen.cur.row < TermWin.nrow);
332 assert (swap.cur.row < TermWin.nrow);
333 #else /* drive with your eyes closed */
335 MIN_IT (screen.cur.row, nrow - 1);
336 MIN_IT (swap.cur.row, nrow - 1);
338 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
342 if (ncol != prev_ncol)
344 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
345 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
347 for (p = 0; p < total_rows; p++)
351 screen.text[p] = (text_t *)ta->alloc (screen.text[p], prev_ncol * sizeof (text_t));
352 screen.rend[p] = (rend_t *)ra->alloc (screen.rend[p], prev_ncol * sizeof (rend_t));
354 MIN_IT (screen.tlen[p], (int16_t)ncol);
356 if (ncol > prev_ncol)
357 scr_blank_line (&screen.text[p][prev_ncol],
358 &screen.rend[p][prev_ncol],
359 ncol - prev_ncol, setrstyle);
363 for (p = 0; p < nrow; p++)
365 drawn_text[p] = (text_t *)ta->alloc (drawn_text[p], prev_ncol * sizeof (text_t));
366 drawn_rend[p] = (rend_t *)ra->alloc (drawn_rend[p], prev_ncol * sizeof (rend_t));
368 if (ncol > prev_ncol)
369 scr_blank_line (&drawn_text[p][prev_ncol],
370 &drawn_rend[p][prev_ncol],
371 ncol - prev_ncol, setrstyle);
375 swap.text[p] = (text_t *)ta->alloc (swap.text[p], prev_ncol * sizeof (text_t));
376 swap.rend[p] = (rend_t *)ra->alloc (swap.rend[p], prev_ncol * sizeof (rend_t));
378 MIN_IT (swap.tlen[p], (int16_t)ncol);
380 if (ncol > prev_ncol)
381 scr_blank_line (&swap.text[p][prev_ncol],
382 &swap.rend[p][prev_ncol],
383 ncol - prev_ncol, setrstyle);
388 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
389 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
391 delete talloc; talloc = ta;
392 delete ralloc; ralloc = ra;
402 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
404 for (p = 0; p < ncol; p++)
405 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
411 rxvt_term::scr_reset_realloc ()
413 uint16_t total_rows, nrow;
416 total_rows = nrow + TermWin.saveLines;
418 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
419 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
420 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
421 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
423 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
424 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
426 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
427 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
428 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
429 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
433 /* ------------------------------------------------------------------------- */
435 * Free everything. That way malloc debugging can find leakage.
438 rxvt_term::scr_release ()
443 total_rows = TermWin.nrow + TermWin.saveLines;
445 delete talloc; talloc = 0;
446 delete ralloc; ralloc = 0;
460 /* NULL these so if anything tries to use them, we'll know about it */
461 screen.text = drawn_text = swap.text = NULL;
462 screen.rend = drawn_rend = swap.rend = NULL;
463 screen.tlen = swap.tlen = NULL;
469 /* ------------------------------------------------------------------------- */
474 rxvt_term::scr_poweron ()
476 D_SCREEN ((stderr, "rxvt_scr_poweron ()"));
479 prev_nrow = prev_ncol = 0;
483 scr_refresh (SLOW_REFRESH);
486 /* ------------------------------------------------------------------------- *
487 * PROCESS SCREEN COMMANDS *
488 * ------------------------------------------------------------------------- */
490 * Save and Restore cursor
491 * XTERM_SEQ: Save cursor : ESC 7
492 * XTERM_SEQ: Restore cursor: ESC 8
495 rxvt_term::scr_cursor (int mode)
499 D_SCREEN ((stderr, "rxvt_scr_cursor (%c)", mode));
501 #if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
502 if (current_screen == SECONDARY)
511 s->s_cur.row = s->cur.row;
512 s->s_cur.col = s->cur.col;
513 s->s_rstyle = rstyle;
514 s->s_charset = s->charset;
515 s->s_charset_char = charsets[s->charset];
520 s->cur.row = s->s_cur.row;
521 s->cur.col = s->s_cur.col;
522 s->flags &= ~Screen_WrapNext;
523 rstyle = s->s_rstyle;
524 s->charset = s->s_charset;
525 charsets[s->charset] = s->s_charset_char;
530 /* boundary check in case screen size changed between SAVE and RESTORE */
531 MIN_IT (s->cur.row, TermWin.nrow - 1);
532 MIN_IT (s->cur.col, TermWin.ncol - 1);
534 assert (s->cur.row >= 0);
535 assert (s->cur.col >= 0);
536 #else /* drive with your eyes closed */
537 MAX_IT (s->cur.row, 0);
538 MAX_IT (s->cur.col, 0);
542 /* ------------------------------------------------------------------------- */
544 * Swap between primary and secondary screens
545 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
546 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
549 rxvt_term::scr_change_screen (int scrn)
558 D_SCREEN ((stderr, "rxvt_scr_change_screen (%d)", scrn));
560 TermWin.view_start = 0;
562 if (current_screen == scrn)
565 selection_check (2); /* check for boundary cross */
567 SWAP_IT (current_screen, scrn, int);
569 if (Options & Opt_secondaryScreen)
572 offset = TermWin.saveLines;
573 for (i = prev_nrow; i--;)
575 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *);
576 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t);
577 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
579 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
580 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
582 assert ((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
583 assert ((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
584 # else /* drive with your eyes closed */
585 MAX_IT (screen.cur.row, 0);
586 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
587 MAX_IT (screen.cur.col, 0);
588 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
590 SWAP_IT (screen.charset, swap.charset, int16_t);
591 SWAP_IT (screen.flags, swap.flags, int);
592 screen.flags |= Screen_VisibleCursor;
593 swap.flags |= Screen_VisibleCursor;
597 if (Options & Opt_secondaryScroll)
598 //if (current_screen == PRIMARY)
599 scr_scroll_text (0, (prev_nrow - 1), prev_nrow, 0);
603 /* ------------------------------------------------------------------------- */
605 * Change the colour for following text
608 rxvt_term::scr_color (unsigned int color, int fgbg)
611 if (fgbg == Color_fg)
612 rstyle = SET_FGCOLOR (rstyle, color);
614 rstyle = SET_BGCOLOR (rstyle, color);
617 /* ------------------------------------------------------------------------- */
619 * Change the rendition style for following text
622 rxvt_term::scr_rendition (int set, int style)
626 else if (style == ~RS_None)
627 rstyle = DEFAULT_RSTYLE;
632 /* ------------------------------------------------------------------------- */
634 * Scroll text between <row1> and <row2> inclusive, by <count> lines
635 * count positive ==> scroll up
636 * count negative ==> scroll down
637 * spec == 0 for normal routines
640 rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec)
645 if (count == 0 || (row1 > row2))
649 D_SCREEN ((stderr, "rxvt_scroll_text (%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary"));
651 if (row1 == 0 && count > 0
652 && (current_screen == PRIMARY || Options & Opt_secondaryScroll))
654 nscrolled = (long)TermWin.nscrolled + (long)count;
656 if (nscrolled > (long)TermWin.saveLines)
657 TermWin.nscrolled = TermWin.saveLines;
659 TermWin.nscrolled = (uint16_t)nscrolled;
661 if ((Options & Opt_scrollWithBuffer)
662 && TermWin.view_start != 0
663 && TermWin.view_start != TermWin.saveLines)
664 scr_page (UP, count);
667 row1 += TermWin.saveLines;
669 row2 += TermWin.saveLines;
671 if (selection.op && current_screen == selection.screen)
673 i = selection.beg.row + TermWin.saveLines;
674 j = selection.end.row + TermWin.saveLines;
675 if ((i < row1 && j > row1)
676 || (i < row2 && j > row2)
677 || (i - count < row1 && i >= row1)
678 || (i - count > row2 && i <= row2)
679 || (j - count < row1 && j >= row1)
680 || (j - count > row2 && j <= row2))
682 CLEAR_ALL_SELECTION ();
683 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
685 else if (j >= row1 && j <= row2)
687 /* move selected region too */
688 selection.beg.row -= count;
689 selection.end.row -= count;
690 selection.mark.row -= count;
694 selection_check (0); /* _after_ TermWin.nscrolled update */
709 /* A1: Copy lines that will get clobbered by the rotation */
710 for (i = 0, j = row1; i < count; i++, j++)
712 buf_text[i] = screen.text[j];
713 buf_rend[i] = screen.rend[j];
716 /* A2: Rotate lines */
717 for (j = row1, i = j + count; i <= row2; i++, j++)
719 screen.tlen[j] = screen.tlen[i];
720 screen.text[j] = screen.text[i];
721 screen.rend[j] = screen.rend[i];
724 j = row2 - count + 1, i = count;
726 else /* if (j < 0) */
730 /* B1: Copy lines that will get clobbered by the rotation */
731 for (i = 0, j = row2; i < count; i++, j--)
733 buf_text[i] = screen.text[j];
734 buf_rend[i] = screen.rend[j];
737 /* B2: Rotate lines */
738 for (j = row2, i = j - count; i >= row1; i--, j--)
740 screen.tlen[j] = screen.tlen[i];
741 screen.text[j] = screen.text[i];
742 screen.rend[j] = screen.rend[i];
749 /* C: Resurrect lines */
753 screen.text[j] = buf_text[i];
754 screen.rend[j] = buf_rend[i];
756 if (!spec) /* line length may not equal TermWin.ncol */
757 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle);
763 /* ------------------------------------------------------------------------- */
765 * Add text given in <str> of length <len> to screen struct
768 rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)
770 unsigned char checksel, clearsel;
772 int i, row, last_col;
776 if (len <= 0) /* sanity */
780 last_col = TermWin.ncol;
782 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len));
786 nlines += (screen.cur.row - screen.bscroll);
788 && (screen.tscroll == 0)
789 && (screen.bscroll == (TermWin.nrow - 1)))
791 /* _at least_ this many lines need to be scrolled */
792 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0);
793 screen.cur.row -= nlines;
797 assert (screen.cur.col < last_col);
798 assert ((screen.cur.row < TermWin.nrow)
799 && (screen.cur.row >= - (int32_t)TermWin.nscrolled));
800 #else /* drive with your eyes closed */
801 MIN_IT (screen.cur.col, last_col - 1);
802 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
803 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
805 row = screen.cur.row + TermWin.saveLines;
807 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
810 stp = screen.text[row];
811 srp = screen.rend[row];
825 if (screen.tlen[row] != -1) /* XXX: think about this */
826 MAX_IT (screen.tlen[row], screen.cur.col);
828 screen.flags &= ~Screen_WrapNext;
830 if (screen.cur.row == screen.bscroll)
831 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
832 else if (screen.cur.row < (TermWin.nrow - 1))
833 row = (++screen.cur.row) + TermWin.saveLines;
835 stp = screen.text[row]; /* _must_ refresh */
836 srp = screen.rend[row]; /* _must_ refresh */
840 if (screen.tlen[row] != -1) /* XXX: think about this */
841 MAX_IT (screen.tlen[row], screen.cur.col);
843 screen.flags &= ~Screen_WrapNext;
848 if (checksel /* see if we're writing within selection */
849 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
850 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
856 if (screen.flags & Screen_WrapNext)
858 screen.tlen[row] = -1;
859 if (screen.cur.row == screen.bscroll)
860 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
861 else if (screen.cur.row < (TermWin.nrow - 1))
862 row = (++screen.cur.row) + TermWin.saveLines;
864 stp = screen.text[row]; /* _must_ refresh */
865 srp = screen.rend[row]; /* _must_ refresh */
867 screen.flags &= ~Screen_WrapNext;
870 if (screen.flags & Screen_Insert)
871 scr_insdel_chars (1, INSERT);
873 // rely on wcwidth to tell us the character width, at least for non-latin1
874 // do wcwidth before further replacements, as wcwidth says that line-drawing
875 // characters have width -1 (DOH!) on GNU/Linux sometimes.
876 int width = c < 256 ? 1 : wcwidth (c);
878 if (charsets[screen.charset] == '0') // DEC SPECIAL
880 // vt100 special graphics and line drawing
881 static uint16_t vt100_0[32] = { // 5f .. 7e
882 0x0020, 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0,
883 0x00b1, 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c,
884 0x23ba, 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534,
885 0x252c, 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7,
888 if (c >= 0x5f && c <= 0x7e)
890 c = vt100_0[c - 0x5f];
897 #if !UNICODE_3 && ENABLE_COMBINING
898 // trim characters we can't store directly :(
900 c = rxvt_composite.compose (c); // map to lower 16 bits
902 bool bold = (Options & Opt_realBold) && ((rstyle & RS_Bold) != 0);
903 rend_t rend = SET_FONT (rstyle,
904 c > 0x7f || bold || c < 0x20
905 ? TermWin.fontset->find_font (c, bold)
906 : TermWin.ascii_map [c - 0x20]);
910 stp[screen.cur.col] = c;
911 srp[screen.cur.col] = rend;
913 if (screen.cur.col < last_col - 1)
917 screen.tlen[row] = last_col;
918 if (screen.flags & Screen_Autowrap)
919 screen.flags |= Screen_WrapNext;
927 // pad with spaces when overwriting wide character with smaller one
928 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++)
937 // handle combining characters
938 // we just tag the accent on the previous on-screen character.
939 // this is arguably not correct, but also arguably not wrong.
940 // we don't handle double-width characters nicely yet.
945 if (screen.cur.col > 0)
947 tp = stp + screen.cur.col - 1;
948 rp = srp + screen.cur.col - 1;
950 else if (screen.cur.row > 0
951 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
953 tp = screen.text[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
954 rp = screen.rend[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
959 // handle double-width-chars by making them look extremely ugly
961 *tp = ' '; // hack //D //TODO //--tp, --rp;
963 // first try to find a precomposed character
964 unicode_t n = rxvt_compose (*tp, c);
966 n = rxvt_composite.compose (*tp, c);
969 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
974 if (screen.tlen[row] != -1) /* XXX: think about this */
975 MAX_IT (screen.tlen[row], screen.cur.col);
978 * If we wrote anywhere in the selected area, kill the selection
979 * XXX: should we kill the mark too? Possibly, but maybe that
980 * should be a similar check.
986 assert (screen.cur.row >= 0);
987 #else /* drive with your eyes closed */
988 MAX_IT (screen.cur.row, 0);
992 /* ------------------------------------------------------------------------- */
994 * Process Backspace. Move back the cursor back a position, wrap if have to
998 rxvt_term::scr_backspace ()
1002 if (screen.cur.col == 0)
1004 if (screen.cur.row > 0)
1006 #ifdef TERMCAP_HAS_BW
1007 screen.cur.col = TermWin.ncol - 1;
1014 else if ((screen.flags & Screen_WrapNext) == 0)
1015 scr_gotorc (0, -1, RELATIVE);
1017 screen.flags &= ~Screen_WrapNext;
1020 /* ------------------------------------------------------------------------- */
1022 * Process Horizontal Tab
1023 * count: +ve = forward; -ve = backwards
1027 rxvt_term::scr_tab (int count)
1031 D_SCREEN ((stderr, "rxvt_scr_tab (%d)", count));
1033 i = x = screen.cur.col;
1039 for (; ++i < TermWin.ncol; )
1048 x = TermWin.ncol - 1;
1050 else /* if (count < 0) */
1064 if (x != screen.cur.col)
1065 scr_gotorc (0, x, R_RELATIVE);
1068 /* ------------------------------------------------------------------------- */
1070 * Process DEC Back Index
1072 * Move cursor left in row. If we're at the left boundary, shift everything
1073 * in that row right. Clear left column.
1077 rxvt_term::scr_backindex ()
1079 if (screen.cur.col > 0)
1080 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1083 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1084 return; /* um, yeah? */
1085 scr_insdel_chars (1, INSERT);
1089 /* ------------------------------------------------------------------------- */
1091 * Process DEC Forward Index
1093 * Move cursor right in row. If we're at the right boundary, shift everything
1094 * in that row left. Clear right column.
1098 rxvt_term::scr_forwardindex ()
1102 if (screen.cur.col < TermWin.ncol - 1)
1103 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1106 row = screen.cur.row + TermWin.saveLines;
1107 if (screen.tlen[row] == 0)
1108 return; /* um, yeah? */
1109 else if (screen.tlen[row] == -1)
1110 screen.tlen[row] = TermWin.ncol;
1111 scr_gotorc (0, 0, R_RELATIVE);
1112 scr_insdel_chars (1, DELETE);
1113 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE);
1118 /* ------------------------------------------------------------------------- */
1123 rxvt_term::scr_gotorc (int row, int col, int relative)
1128 D_SCREEN ((stderr, "rxvt_scr_gotorc (r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col));
1130 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1131 MAX_IT (screen.cur.col, 0);
1132 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1134 screen.flags &= ~Screen_WrapNext;
1135 if (relative & R_RELATIVE)
1139 if (screen.cur.row <= screen.bscroll
1140 && (screen.cur.row + row) > screen.bscroll)
1141 screen.cur.row = screen.bscroll;
1143 screen.cur.row += row;
1147 if (screen.cur.row >= screen.tscroll
1148 && (screen.cur.row + row) < screen.tscroll)
1149 screen.cur.row = screen.tscroll;
1151 screen.cur.row += row;
1156 if (screen.flags & Screen_Relative)
1157 { /* relative origin mode */
1158 screen.cur.row = row + screen.tscroll;
1159 MIN_IT (screen.cur.row, screen.bscroll);
1162 screen.cur.row = row;
1164 MAX_IT (screen.cur.row, 0);
1165 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1167 while (screen.cur.col > 0
1168 && screen.text[screen.cur.row + TermWin.saveLines][screen.cur.col] == NOCHAR)
1172 /* ------------------------------------------------------------------------- */
1174 * direction should be UP or DN
1177 rxvt_term::scr_index (enum page_dirn direction)
1182 dirn = ((direction == UP) ? 1 : -1);
1183 D_SCREEN ((stderr, "rxvt_scr_index (%d)", dirn));
1187 screen.flags &= ~Screen_WrapNext;
1188 if ((screen.cur.row == screen.bscroll && direction == UP)
1189 || (screen.cur.row == screen.tscroll && direction == DN))
1190 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0);
1192 screen.cur.row += dirn;
1193 MAX_IT (screen.cur.row, 0);
1194 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1195 selection_check (0);
1198 /* ------------------------------------------------------------------------- */
1200 * Erase part or whole of a line
1201 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1202 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1203 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1206 rxvt_term::scr_erase_line (int mode)
1208 unsigned int row, col, num;
1211 D_SCREEN ((stderr, "rxvt_scr_erase_line (%d) at screen row: %d", mode, screen.cur.row));
1214 selection_check (1);
1216 screen.flags &= ~Screen_WrapNext;
1218 row = TermWin.saveLines + screen.cur.row;
1221 case 0: /* erase to end of line */
1222 col = screen.cur.col;
1223 num = TermWin.ncol - col;
1224 MIN_IT (screen.tlen[row], (int16_t)col);
1225 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1226 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1229 case 1: /* erase to beginning of line */
1231 num = screen.cur.col + 1;
1232 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1233 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1236 case 2: /* erase whole line */
1239 screen.tlen[row] = 0;
1240 if (selection.beg.row <= screen.cur.row
1241 && selection.end.row >= screen.cur.row)
1248 if (screen.text[row])
1249 scr_blank_line (&screen.text[row][col], &screen.rend[row][col], num, rstyle);
1251 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1254 /* ------------------------------------------------------------------------- */
1256 * Erase part of whole of the screen
1257 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1258 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1259 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1262 rxvt_term::scr_erase_screen (int mode)
1265 int32_t row, row_offset;
1270 D_SCREEN ((stderr, "rxvt_scr_erase_screen (%d) at screen row: %d", mode, screen.cur.row));
1272 row_offset = (int32_t)TermWin.saveLines;
1276 case 0: /* erase to end of screen */
1277 selection_check (1);
1279 row = screen.cur.row + 1; /* possible OOB */
1280 num = TermWin.nrow - row;
1282 case 1: /* erase to beginning of screen */
1283 selection_check (3);
1286 num = screen.cur.row;
1288 case 2: /* erase whole screen */
1289 selection_check (3);
1297 refresh_type |= REFRESH_BOUNDS;
1299 if (selection.op && current_screen == selection.screen
1300 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1301 || (selection.end.row >= row
1302 && selection.end.row <= row + num)))
1305 if (row >= TermWin.nrow) /* Out Of Bounds */
1308 MIN_IT (num, (TermWin.nrow - row));
1310 if (rstyle & (RS_RVid | RS_Uline))
1311 ren = (rend_t) ~RS_None;
1312 else if (GET_BASEBG (rstyle) == Color_bg)
1314 ren = DEFAULT_RSTYLE;
1315 CLEAR_ROWS (row, num);
1319 ren = (rstyle & (RS_fgMask | RS_bgMask));
1320 gcvalue.foreground = PixColors[GET_BGCOLOR (rstyle)];
1321 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1322 ERASE_ROWS (row, num);
1323 gcvalue.foreground = PixColors[Color_fg];
1324 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1327 for (; num--; row++)
1329 scr_blank_screen_mem (screen.text, screen.rend,
1330 (unsigned int) (row + row_offset), rstyle);
1331 screen.tlen[row + row_offset] = 0;
1332 scr_blank_line (drawn_text[row], drawn_rend[row],
1333 (unsigned int)TermWin.ncol, ren);
1337 /* ------------------------------------------------------------------------- */
1339 * Fill the screen with `E's
1340 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1351 selection_check (3);
1353 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E'));
1354 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++)
1356 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */
1357 fill_text (screen.text[k], 'E', TermWin.ncol);
1358 for (r1 = screen.rend[k], j = TermWin.ncol; j--; )
1363 /* ------------------------------------------------------------------------- */
1365 * Insert/Delete <count> lines
1368 rxvt_term::scr_insdel_lines (int count, int insdel)
1374 selection_check (1);
1376 if (screen.cur.row > screen.bscroll)
1379 end = screen.bscroll - screen.cur.row + 1;
1382 if (insdel == DELETE)
1384 else if (insdel == INSERT)
1387 screen.flags &= ~Screen_WrapNext;
1389 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0);
1392 /* ------------------------------------------------------------------------- */
1394 * Insert/Delete <count> characters from the current position
1397 rxvt_term::scr_insdel_chars (int count, int insdel)
1411 selection_check (1);
1412 MIN_IT (count, (TermWin.ncol - screen.cur.col));
1414 row = screen.cur.row + TermWin.saveLines;
1415 screen.flags &= ~Screen_WrapNext;
1417 stp = screen.text[row];
1418 srp = screen.rend[row];
1419 slp = & (screen.tlen[row]);
1424 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col;
1427 stp[col] = stp[col - count];
1428 srp[col] = srp[col - count];
1434 MIN_IT (*slp, TermWin.ncol);
1437 if (selection.op && current_screen == selection.screen
1438 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1440 if (selection.end.row != screen.cur.row
1441 || (selection.end.col + count >= TermWin.ncol))
1444 { /* shift selection */
1445 selection.beg.col += count;
1446 selection.mark.col += count; /* XXX: yes? */
1447 selection.end.col += count;
1451 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]),
1452 (unsigned int)count, rstyle);
1456 screen.cur.col += count; /* don't worry if > TermWin.ncol */
1457 selection_check (1);
1458 screen.cur.col -= count;
1459 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]),
1460 (unsigned int)count, rstyle);
1464 tr = srp[TermWin.ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1466 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++)
1468 stp[col] = stp[col + count];
1469 srp[col] = srp[col + count];
1472 scr_blank_line (& (stp[TermWin.ncol - count]),
1473 & (srp[TermWin.ncol - count]),
1474 (unsigned int)count, tr);
1476 if (*slp == -1) /* break line continuation */
1477 *slp = TermWin.ncol;
1482 if (selection.op && current_screen == selection.screen
1483 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1485 if (selection.end.row != screen.cur.row
1486 || (screen.cur.col >= selection.beg.col - count)
1487 || selection.end.col >= TermWin.ncol)
1491 /* shift selection */
1492 selection.beg.col -= count;
1493 selection.mark.col -= count; /* XXX: yes? */
1494 selection.end.col -= count;
1502 /* ------------------------------------------------------------------------- */
1504 * Set the scrolling region
1505 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1508 rxvt_term::scr_scroll_region (int top, int bot)
1511 MIN_IT (bot, (int)TermWin.nrow - 1);
1516 screen.tscroll = top;
1517 screen.bscroll = bot;
1518 scr_gotorc (0, 0, 0);
1521 /* ------------------------------------------------------------------------- */
1523 * Make the cursor visible/invisible
1524 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1525 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1528 rxvt_term::scr_cursor_visible (int mode)
1533 screen.flags |= Screen_VisibleCursor;
1535 screen.flags &= ~Screen_VisibleCursor;
1538 /* ------------------------------------------------------------------------- */
1540 * Set/unset automatic wrapping
1541 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1542 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1545 rxvt_term::scr_autowrap (int mode)
1548 screen.flags |= Screen_Autowrap;
1550 screen.flags &= ~ (Screen_Autowrap | Screen_WrapNext);
1553 /* ------------------------------------------------------------------------- */
1555 * Set/unset margin origin mode
1556 * Absolute mode: line numbers are counted relative to top margin of screen
1557 * and the cursor can be moved outside the scrolling region.
1558 * Relative mode: line numbers are relative to top margin of scrolling region
1559 * and the cursor cannot be moved outside.
1560 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1561 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1564 rxvt_term::scr_relative_origin (int mode)
1567 screen.flags |= Screen_Relative;
1569 screen.flags &= ~Screen_Relative;
1570 scr_gotorc (0, 0, 0);
1573 /* ------------------------------------------------------------------------- */
1575 * Set insert/replace mode
1576 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1577 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1580 rxvt_term::scr_insert_mode (int mode)
1583 screen.flags |= Screen_Insert;
1585 screen.flags &= ~Screen_Insert;
1588 /* ------------------------------------------------------------------------- */
1591 * XTERM_SEQ: Set tab at current column : ESC H
1592 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1593 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1596 rxvt_term::scr_set_tab (int mode)
1599 MEMSET (tabs, 0, TermWin.ncol * sizeof (char));
1600 else if (screen.cur.col < TermWin.ncol)
1601 tabs[screen.cur.col] = (mode ? 1 : 0);
1604 /* ------------------------------------------------------------------------- */
1606 * Set reverse/normal video
1607 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1608 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1611 rxvt_term::scr_rvideo_mode (int mode)
1618 SWAP_IT (PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1619 #if defined(XPM_BACKGROUND)
1620 if (bgPixmap.pixmap == None)
1622 #if defined(TRANSPARENT)
1623 if (! (Options & Opt_transparent) || am_transparent == 0)
1625 XSetWindowBackground (display->display, TermWin.vt,
1626 PixColors[Color_bg]);
1628 gcvalue.foreground = PixColors[Color_fg];
1629 gcvalue.background = PixColors[Color_bg];
1630 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground,
1637 /* ------------------------------------------------------------------------- */
1639 * Report current cursor position
1640 * XTERM_SEQ: Report position: ESC [ 6 n
1643 rxvt_term::scr_report_position ()
1645 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1648 /* ------------------------------------------------------------------------- *
1650 * ------------------------------------------------------------------------- */
1656 rxvt_term::set_font_style ()
1658 switch (charsets[screen.charset])
1660 case '0': /* DEC Special Character & Line Drawing Set */
1662 case 'A': /* United Kingdom (UK) */
1664 case 'B': /* United States (USASCII) */
1666 case '<': /* Multinational character set */
1668 case '5': /* Finnish character set */
1670 case 'C': /* Finnish character set */
1672 case 'K': /* German character set */
1677 /* ------------------------------------------------------------------------- */
1680 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1681 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1682 * XTERM_SEQ: Invoke G2 character set: ESC N
1683 * XTERM_SEQ: Invoke G3 character set: ESC O
1686 rxvt_term::scr_charset_choose (int set)
1688 screen.charset = set;
1692 /* ------------------------------------------------------------------------- */
1695 * XTERM_SEQ: Set G0 character set: ESC ( <C>
1696 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1697 * XTERM_SEQ: Set G2 character set: ESC * <C>
1698 * XTERM_SEQ: Set G3 character set: ESC + <C>
1699 * See set_font_style for possible values for <C>
1702 rxvt_term::scr_charset_set (int set, unsigned int ch)
1704 charsets[set] = (unsigned char)ch;
1709 /* ------------------------------------------------------------------------- *
1710 * MAJOR SCREEN MANIPULATION *
1711 * ------------------------------------------------------------------------- */
1714 * refresh matching text.
1717 rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)
1721 for (int i = 0; i < TermWin.nrow; i++)
1724 rend_t *drp = drawn_rend [i];
1726 for (; col < TermWin.ncol; col++, drp++)
1727 if ((*drp & mask) == value)
1747 rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh)
1750 row_col_t rc[RC_COUNT];
1752 if (drawn_text == NULL) /* sanity check */
1755 #ifndef NO_SLOW_LINK_SUPPORT
1756 if (refresh_type == FAST_REFRESH && !display->is_local)
1759 height = TermWin.height;
1765 x = min (x, (int)TermWin.width);
1767 y = min (y, (int)TermWin.height);
1771 rc[PART_BEG].col = Pixel2Col (x);
1772 rc[PART_BEG].row = Pixel2Row (y);
1774 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1);
1775 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1);
1778 for (i = PART_BEG; i < RC_COUNT; i++)
1780 MIN_IT (rc[i].col, TermWin.ncol - 1);
1781 MIN_IT (rc[i].row, TermWin.nrow - 1);
1784 D_SCREEN ((stderr, "rxvt_scr_expose (x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)- (c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row));
1786 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1787 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1790 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS);
1793 /* ------------------------------------------------------------------------- */
1795 * Refresh the entire screen
1798 rxvt_term::scr_touch (bool refresh)
1800 scr_expose (0, 0, TermWin.width, TermWin.height, refresh);
1803 /* ------------------------------------------------------------------------- */
1805 * Move the display so that the line represented by scrollbar value Y is at
1806 * the top of the screen
1809 rxvt_term::scr_move_to (int y, int len)
1812 uint16_t oldviewstart;
1814 oldviewstart = TermWin.view_start;
1817 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1818 p -= (long) (TermWin.nrow - 1);
1821 TermWin.view_start = (uint16_t)min (p, TermWin.nscrolled);
1822 D_SCREEN ((stderr, "rxvt_scr_move_to (%d, %d) view_start:%d", y, len, TermWin.view_start));
1824 return scr_changeview (oldviewstart);
1827 /* ------------------------------------------------------------------------- */
1829 * Page the screen up/down nlines
1830 * direction should be UP or DN
1833 rxvt_term::scr_page (enum page_dirn direction, int nlines)
1836 uint16_t oldviewstart;
1838 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1840 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1842 oldviewstart = TermWin.view_start;
1843 if (direction == UP)
1845 n = TermWin.view_start + nlines;
1846 TermWin.view_start = min (n, TermWin.nscrolled);
1850 n = TermWin.view_start - nlines;
1851 TermWin.view_start = max (n, 0);
1853 return scr_changeview (oldviewstart);
1857 rxvt_term::scr_changeview (uint16_t oldviewstart)
1859 if (TermWin.view_start != oldviewstart)
1862 num_scr -= (TermWin.view_start - oldviewstart);
1865 return (int) (TermWin.view_start - oldviewstart);
1868 /* ------------------------------------------------------------------------- */
1870 rxvt_term::scr_bell ()
1873 # ifndef NO_MAPALERT
1874 # ifdef MAPALERT_OPTION
1875 if (Options & Opt_mapAlert)
1877 XMapWindow (display->display, TermWin.parent[0]);
1879 if (Options & Opt_visualBell)
1881 scr_rvideo_mode (!rvideo); /* refresh also done */
1882 scr_rvideo_mode (!rvideo); /* refresh also done */
1885 XBell (display->display, 0);
1889 /* ------------------------------------------------------------------------- */
1892 rxvt_term::scr_printscreen (int fullhist)
1895 int i, r1, nrows, row_offset;
1899 if ((fd = popen_printer ()) == NULL)
1901 nrows = TermWin.nrow;
1902 row_offset = TermWin.saveLines;
1904 row_offset -= TermWin.view_start;
1907 nrows += TermWin.nscrolled;
1908 row_offset -= TermWin.nscrolled;
1911 for (r1 = 0; r1 < nrows; r1++)
1913 t = screen.text[r1 + row_offset];
1914 for (i = TermWin.ncol - 1; i >= 0; i--)
1915 if (!isspace (t[i]))
1917 fprintf (fd, "%.*s\n", (i + 1), t);
1919 pclose_printer (fd);
1923 /* ------------------------------------------------------------------------- */
1925 * Refresh the screen
1926 * drawn_text/drawn_rend contain the screen information before the update.
1927 * screen.text/screen.rend contain what the screen will change to.
1930 #define FONT_WIDTH(X, Y) \
1931 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
1932 #define FONT_RBEAR(X, Y) \
1933 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
1934 #define FONT_LBEAR(X, Y) \
1935 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
1936 #define IS_FONT_CHAR(X, Y) \
1937 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1940 rxvt_term::scr_refresh (unsigned char refresh_type)
1942 unsigned char clearfirst, /* first character writes before cell */
1943 clearlast, /* last character writes beyond cell */
1944 must_clear, /* use draw_string not draw_image_string */
1945 rvid, /* reverse video this position */
1946 showcursor; /* show the cursor */
1947 int16_t col, row, /* column/row we're processing */
1948 ocrow; /* old cursor row */
1950 row_offset; /* basic offset in screen structure */
1951 #ifndef NO_CURSORCOLOR
1952 rend_t cc1; /* store colours at cursor position (s) */
1954 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1955 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1957 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1963 clearfirst = clearlast = must_clear = 0;
1967 row_offset = TermWin.saveLines - TermWin.view_start;
1969 if ((refresh_type & REFRESH_BOUNDS))
1971 clearfirst = clearlast = 1;
1972 refresh_type &= ~REFRESH_BOUNDS;
1975 #ifdef XPM_BACKGROUND
1976 must_clear |= (bgPixmap.pixmap != None);
1979 must_clear |= ((Options & Opt_transparent) && am_transparent);
1981 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1984 * B: reverse any characters which are selected
1986 scr_reverse_selection ();
1989 * C: set the cursor character (s)
1992 unsigned char setoldcursor;
1993 rend_t ccol1, /* Cursor colour */
1994 ccol2; /* Cursor colour2 */
1996 showcursor = (screen.flags & Screen_VisibleCursor);
2004 srp = &(screen.rend[screen.cur.row + TermWin.saveLines][screen.cur.col]);
2006 if (showcursor && TermWin.focus)
2009 #ifndef NO_CURSORCOLOR
2010 cc1 = *srp & (RS_fgMask | RS_bgMask);
2011 if (ISSET_PIXCOLOR (Color_cursor))
2012 ccol1 = Color_cursor;
2014 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2015 ccol1 = GET_FGCOLOR (rstyle);
2019 if (ISSET_PIXCOLOR (Color_cursor2))
2020 ccol2 = Color_cursor2;
2022 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2023 ccol2 = GET_BGCOLOR (rstyle);
2027 *srp = SET_FGCOLOR (*srp, ccol1);
2028 *srp = SET_BGCOLOR (*srp, ccol2);
2033 /* make sure no outline cursor is left around */
2037 if (screen.cur.row + TermWin.view_start != ocrow
2038 || screen.cur.col != oldcursor.col)
2040 if (ocrow < TermWin.nrow
2041 && oldcursor.col < TermWin.ncol)
2042 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2044 if (TermWin.focus || !showcursor)
2050 else if (!TermWin.focus)
2055 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2059 oldcursor.row = screen.cur.row + TermWin.view_start;
2060 oldcursor.col = screen.cur.col;
2065 #ifndef NO_SLOW_LINK_SUPPORT
2067 * D: CopyArea pass - very useful for slower links
2068 * This has been deliberately kept simple.
2071 if (!display->is_local
2072 && refresh_type == FAST_REFRESH && num_scr_allow && i
2073 && abs (i) < TermWin.nrow && !must_clear)
2083 row = i > 0 ? 0 : j - 1;
2084 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2086 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow)
2088 stp = screen.text[row + row_offset];
2089 srp = screen.rend[row + row_offset];
2090 dtp = drawn_text[row];
2091 dtp2 = drawn_text[row + i];
2092 drp = drawn_rend[row];
2093 drp2 = drawn_rend[row + i];
2095 for (nits = 0, col = TermWin.ncol; col--; )
2096 if (stp[col] != dtp2[col] || srp[col] != drp2[col])
2098 else if (stp[col] != dtp[col] || srp[col] != drp[col])
2101 if (nits > 8) /* XXX: arbitrary choice */
2103 for (col = TermWin.ncol; col--; )
2119 /* also comes here at end if needed because of >= above */
2121 SWAP_IT (wlen, len, int);
2123 D_SCREEN ((stderr, "rxvt_scr_refresh (): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2124 XCopyArea (display->display, TermWin.vt, TermWin.vt,
2125 TermWin.gc, 0, Row2Pixel (len + i),
2126 (unsigned int)TermWin_TotalWidth (),
2127 (unsigned int)Height2Pixel (wlen - len + 1),
2128 0, Row2Pixel (len));
2136 * E: main pass across every character
2138 for (row = 0; row < TermWin.nrow; row++)
2140 stp = screen.text[row + row_offset];
2141 srp = screen.rend[row + row_offset];
2142 dtp = drawn_text[row];
2143 drp = drawn_rend[row];
2146 * E2: OK, now the real pass
2148 int ypixel = (int)Row2Pixel (row);
2150 for (col = 0; col < TermWin.ncol; col++)
2152 /* compare new text with old - if exactly the same then continue */
2153 if (stp[col] == dtp[col] /* Must match characters to skip. */
2154 && (srp[col] == drp[col] /* Either rendition the same or */
2155 || (stp[col] == ' ' /* space w/ no background change */
2156 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2159 // redraw one or more characters
2161 // seek to the beginning if wide characters
2162 while (stp[col] == NOCHAR && col > 0)
2165 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2166 text_t *text = stp + col;
2169 dtp[col] = stp[col];
2172 int xpixel = Col2Pixel (col);
2174 // this loop looks very messy, it can probably be optimized
2175 // and cleaned a bit by you?
2176 for (i = 0; ++col < TermWin.ncol; )
2178 if (stp[col] == NOCHAR)
2180 dtp[col] = stp[col];
2184 if (i) // only possible skip if char unchanged
2190 if (rend != srp[col])
2195 if (stp[col] != dtp[col]
2196 || srp[col] != drp[col])
2198 if (must_clear && (i++ > (count / 2)))
2201 dtp[col] = stp[col];
2205 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2209 col--; /* went one too far. move back */
2210 count -= i; /* dump any matching trailing chars */
2213 * Determine the attributes for the string
2215 int fid = GET_FONT (rend);
2216 int fore = GET_FGCOLOR (rend); // desired foreground
2217 int back = GET_BGCOLOR (rend); // desired background
2219 rend = GET_ATTR (rend);
2221 rvid = !!(rend & RS_RVid);
2223 #ifndef NO_BOLD_UNDERLINE_REVERSE
2224 if (rend & RS_Bold && fore == Color_fg && !(Options & Opt_realBold))
2226 if (ISSET_PIXCOLOR (Color_BD))
2232 if (rend & RS_Uline)
2233 if (ISSET_PIXCOLOR (Color_UL))
2239 SWAP_IT (fore, back, int);
2241 #ifndef NO_BOLD_UNDERLINE_REVERSE
2242 if (ISSET_PIXCOLOR (Color_RV)
2243 # ifndef NO_CURSORCOLOR
2244 && !ISSET_PIXCOLOR (Color_cursor)
2252 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2254 if (!text_blink_ev.active)
2256 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2259 else if (hidden_text)
2265 * Actually do the drawing of the string here
2267 rxvt_font *font = (*TermWin.fontset)[fid];
2270 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2271 TermWin.fwidth * count, TermWin.fheight,
2273 else if (back == Color_bg)
2277 CLEAR_CHARS (xpixel, ypixel, count);
2279 for (i = 0; i < count; i++) /* don't draw empty strings */
2282 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1);
2287 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg);
2290 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back);
2292 if (rend & RS_Uline && font->descent > 1 && fore != back)
2293 XDrawLine (display->display, drawBuffer, TermWin.gc,
2294 xpixel, ypixel + font->ascent + 1,
2295 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2296 } /* for (col....) */
2297 } /* for (row....) */
2300 * G: cleanup cursor and display outline cursor if necessary
2306 srp = & (screen.rend[screen.cur.row + TermWin.saveLines]
2309 #ifndef NO_CURSORCOLOR
2310 *srp = (*srp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2313 else if (oldcursor.row >= 0)
2315 #ifndef NO_CURSORCOLOR
2316 if (ISSET_PIXCOLOR (Color_cursor))
2317 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]);
2319 int cursorwidth = 1;
2320 while (oldcursor.col + cursorwidth < TermWin.ncol
2321 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2324 XDrawRectangle (display->display, drawBuffer, TermWin.gc,
2325 Col2Pixel (oldcursor.col),
2326 Row2Pixel (oldcursor.row),
2327 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2328 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1));
2333 * H: cleanup selection
2335 scr_reverse_selection ();
2338 * I: other general cleanup
2341 if (clearfirst && TermWin.int_bwidth)
2343 * clear the whole screen height, note that width == 0 is treated
2344 * specially by XClearArea
2346 XClearArea (display->display, TermWin.vt, 0, 0,
2347 (unsigned int)TermWin.int_bwidth,
2348 (unsigned int)TermWin_TotalHeight (), False);
2350 if (clearlast && TermWin.int_bwidth)
2352 * clear the whole screen height, note that width == 0 is treated
2353 * specially by XClearArea
2355 XClearArea (display->display, TermWin.vt,
2356 TermWin.width + TermWin.int_bwidth, 0,
2357 (unsigned int)TermWin.int_bwidth,
2358 (unsigned int)TermWin_TotalHeight (), False);
2361 if (refresh_type & SMOOTH_REFRESH)
2362 XFlush (display->display);
2366 want_refresh = 0; /* screen is current */
2370 rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp)
2375 for (int i = TermWin.ncol; i; i--, rp++, tp++)
2376 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
2380 rxvt_term::scr_remap_chars ()
2382 for (int i = TermWin.nrow + TermWin.saveLines; i--; )
2383 scr_remap_chars (screen.text[i], screen.rend[i]);
2385 for (int i = TermWin.nrow; i--; )
2387 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2388 scr_remap_chars (swap.text[i], swap.rend[i]);
2392 /* ------------------------------------------------------------------------- */
2394 rxvt_term::scr_clear (bool really)
2396 if (!TermWin.mapped)
2403 if ((Options & Opt_transparent) && (am_pixmap_trans == 0))
2407 if (! (Options & Opt_transparent_all))
2410 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2413 if (TermWin.parent[i] != None)
2414 XClearWindow (display->display, TermWin.parent[i]);
2419 XClearWindow (display->display, TermWin.vt);
2422 /* ------------------------------------------------------------------------- */
2424 rxvt_term::scr_reverse_selection ()
2426 if (selection.op && current_screen == selection.screen)
2428 int end_row = TermWin.saveLines - TermWin.view_start;
2429 int i = selection.beg.row + TermWin.saveLines;
2430 int col, row = selection.end.row + TermWin.saveLines;
2434 col = selection.beg.col;
2441 end_row += TermWin.nrow;
2442 for (; i < row && i < end_row; i++, col = 0)
2443 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2444 srp[col] ^= RS_RVid;
2446 if (i == row && i < end_row)
2447 for (srp = screen.rend[i]; col < selection.end.col; col++)
2448 srp[col] ^= RS_RVid;
2452 /* ------------------------------------------------------------------------- */
2454 * Dump the whole scrollback and screen to the passed filedescriptor. The
2455 * invoking routine must close the fd.
2459 rxvt_term::scr_dump (int fd)
2462 unsigned int width, towrite;
2465 for (row = TermWin.saveLines - TermWin.nscrolled;
2466 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2468 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2470 for (towrite = width; towrite; towrite -= wrote)
2472 wrote = write (fd, & (screen.text[row][width - towrite]),
2475 return; /* XXX: death, no report */
2477 if (screen.tlen[row] >= 0)
2478 if (write (fd, r1, 1) <= 0)
2479 return; /* XXX: death, no report */
2484 /* ------------------------------------------------------------------------- *
2485 * CHARACTER SELECTION *
2486 * ------------------------------------------------------------------------- */
2489 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2492 rxvt_term::selection_check (int check_more)
2499 pos.row = pos.col = 0;
2500 if ((selection.beg.row < - (int32_t)TermWin.nscrolled)
2501 || (selection.beg.row >= TermWin.nrow)
2502 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2503 || (selection.mark.row >= TermWin.nrow)
2504 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2505 || (selection.end.row >= TermWin.nrow)
2507 && current_screen == selection.screen
2508 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2509 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2511 && ROWCOL_IS_BEFORE (selection.beg, pos)
2512 && ROWCOL_IS_AFTER (selection.end, pos))
2514 && ROWCOL_IS_AFTER (selection.end, pos))
2515 || (check_more == 4 /* screen width change */
2516 && (selection.beg.row != selection.end.row
2517 || selection.end.col > TermWin.ncol)))
2521 /* ------------------------------------------------------------------------- */
2523 * Paste a selection direct to the command fd
2526 rxvt_term::paste (const unsigned char *data, unsigned int len)
2528 unsigned int i, j, n;
2529 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2532 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2533 ZERO_SCROLLBACK (r);
2536 /* convert normal newline chars into common keyboard Return key sequence */
2537 for (i = 0; i < len; i += PROP_SIZE)
2539 n = min (len - i, PROP_SIZE);
2540 MEMCPY (ds, data + i, n);
2542 for (j = 0; j < n; j++)
2546 tt_write (ds, (int)n);
2552 /* ------------------------------------------------------------------------- */
2554 * Respond to a notification that a primary selection has been sent
2555 * EXT: SelectionNotify
2558 rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2561 unsigned long bytes_after;
2564 D_SELECT ((stderr, "rxvt_selection_paste (%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2566 if (prop == None) /* check for failed XConvertSelection */
2568 if ((selection_type & Sel_CompoundText))
2570 int selnum = selection_type & Sel_whereMask;
2573 if (selnum != Sel_direct)
2574 selection_request_other (XA_STRING, selnum);
2577 if ((selection_type & Sel_UTF8String))
2579 int selnum = selection_type & Sel_whereMask;
2581 selection_type = Sel_CompoundText;
2582 if (selnum != Sel_direct)
2583 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2593 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2594 (long) (PROP_SIZE / 4), delete_prop,
2595 AnyPropertyType, &ct.encoding, &ct.format,
2596 &ct.nitems, &bytes_after,
2597 &ct.value) != Success)
2600 if (ct.encoding == 0)
2602 D_SELECT ((stderr, "rxvt_selection_paste: property didn't exist!"));
2606 if (ct.value == NULL)
2608 D_SELECT ((stderr, "rxvt_selection_paste: property shooting blanks!"));
2614 D_SELECT ((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2616 if (selection_wait == Sel_normal && nread == 0
2617 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2620 * pass through again trying CUT_BUFFER0 if we've come from
2621 * XConvertSelection () but nothing was presented
2623 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2624 selection_paste (display->root, XA_CUT_BUFFER0, False);
2627 nread = -1; /* discount any previous stuff */
2635 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 && cl)
2637 for (int i = 0; i < cr; i++)
2638 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2640 XFreeStringList (cl);
2643 paste (ct.value, ct.nitems);
2645 if (bytes_after == 0)
2654 if (selection_wait == Sel_normal)
2655 selection_wait = Sel_none;
2657 D_SELECT ((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2662 rxvt_term::incr_cb (time_watcher &w)
2664 selection_wait = Sel_none;
2666 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2670 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2673 rxvt_term::selection_property (Window win, Atom prop)
2680 D_SELECT ((stderr, "rxvt_selection_property (%08lx, %lu)", win, (unsigned long)prop));
2681 if (selection_wait == Sel_normal)
2685 unsigned long bytes_after, nitems;
2686 unsigned char *s = NULL;
2688 a = XGetWindowProperty (display->display, win, prop, 0L, 1L, False,
2689 xa[XA_INCR], &atype, &afmt, &nitems,
2696 #ifndef __CYGWIN32__
2697 if (atype == xa[XA_INCR])
2698 { /* start an INCR transfer */
2699 D_SELECT ((stderr, "rxvt_selection_property: INCR: starting transfer"));
2700 XDeleteProperty (display->display, win, prop);
2701 XFlush (display->display);
2703 selection_wait = Sel_incr;
2708 else if (selection_wait == Sel_incr)
2712 if (selection_paste (win, prop, True) == -1)
2714 D_SELECT ((stderr, "rxvt_selection_property: INCR: clean end"));
2715 selection_wait = Sel_none;
2719 if (reget_time) /* received more data so reget time */
2720 incr_ev.start (NOW + 10);
2723 /* ------------------------------------------------------------------------- */
2725 * Request the current selection:
2726 * Order: > internal selection if available
2727 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2729 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2730 * will auto fallback to CUT_BUFFER0
2731 * EXT: button 2 release
2734 rxvt_term::selection_request (Time tm, int x, int y)
2736 D_SELECT ((stderr, "rxvt_selection_request (%lu, %d, %d)", tm, x, y));
2738 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2739 return; /* outside window */
2742 { /* internal selection */
2743 D_SELECT ((stderr, "rxvt_selection_request: pasting internal"));
2744 char *str = rxvt_wcstombs (selection.text, selection.len);
2745 paste ((unsigned char *)str, strlen (str));
2753 selection_request_time = tm;
2754 selection_wait = Sel_normal;
2756 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2758 #if X_HAVE_UTF8_STRING
2759 selection_type = Sel_UTF8String;
2760 if (selection_request_other (xa[XA_UTF8_STRING], i))
2763 selection_type = Sel_CompoundText;
2764 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2771 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2772 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2773 selection_paste (display->root, XA_CUT_BUFFER0, False);
2777 rxvt_term::selection_request_other (Atom target, int selnum)
2781 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2784 selection_type |= selnum;
2786 if (selnum == Sel_Primary)
2788 else if (selnum == Sel_Secondary)
2791 sel = xa[XA_CLIPBOARD];
2793 if (XGetSelectionOwner (display->display, sel) != None)
2795 D_SELECT ((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2796 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2797 TermWin.vt, selection_request_time);
2804 /* ------------------------------------------------------------------------- */
2806 * Clear all selected text
2807 * EXT: SelectionClear
2810 rxvt_term::selection_clear ()
2812 D_SELECT ((stderr, "rxvt_selection_clear ()"));
2815 free (selection.text);
2816 selection.text = NULL;
2820 if (display->selection_owner == this)
2821 display->selection_owner = 0;
2824 /* ------------------------------------------------------------------------- */
2826 * Copy a selection into the cut buffer
2827 * EXT: button 1 or 3 release
2830 rxvt_term::selection_make (Time tm)
2832 int i, col, end_col, row, end_row;
2833 wchar_t *new_selection_text;
2836 D_SELECT ((stderr, "rxvt_selection_make (): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2837 switch (selection.op)
2839 case SELECTION_CONT:
2841 case SELECTION_INIT:
2844 case SELECTION_BEGIN:
2845 selection.op = SELECTION_DONE;
2851 selection.op = SELECTION_DONE;
2853 if (selection.clicks == 4)
2854 return; /* nothing selected, go away */
2856 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1);
2857 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2859 col = selection.beg.col;
2861 row = selection.beg.row + TermWin.saveLines;
2862 end_row = selection.end.row + TermWin.saveLines;
2866 for (; row <= end_row; row++, col = 0)
2868 t = &(screen.text[row][col]);
2870 end_col = screen.tlen[row];
2873 end_col = TermWin.ncol;
2876 MIN_IT (end_col, selection.end.col);
2878 for (; col < end_col; col++)
2882 #if ENABLE_COMBINING
2883 else if (IS_COMPOSE (*t))
2885 int len = rxvt_composite.expand (*t, 0);
2893 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));
2896 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2900 new_selection_text[ofs++] = *t++;
2903 if (screen.tlen[row] != -1 && row != end_row)
2904 new_selection_text[ofs++] = C0_LF;
2907 if (end_col != selection.end.col)
2908 new_selection_text[ofs++] = C0_LF;
2910 new_selection_text[ofs] = 0;
2914 free (new_selection_text);
2918 free (selection.text);
2920 // we usually allocate much more than necessary, so realloc it smaller again
2921 selection.len = ofs;
2922 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2924 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm);
2925 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt)
2926 display->set_selection_owner (this);
2928 rxvt_warn ("can't get primary selection, ignoring.\n");
2933 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2935 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
2936 PropModeReplace, ct.value, ct.nitems);
2941 selection_time = tm;
2942 D_SELECT ((stderr, "rxvt_selection_make (): selection.len=%d", selection.len));
2945 /* ------------------------------------------------------------------------- */
2947 * Mark or select text based upon number of clicks: 1, 2, or 3
2948 * EXT: button 1 press
2951 rxvt_term::selection_click (int clicks, int x, int y)
2953 D_SELECT ((stderr, "rxvt_selection_click (%d, %d, %d)", clicks, x, y));
2955 clicks = ((clicks - 1) % 3) + 1;
2956 selection.clicks = clicks; /* save clicks so extend will work */
2958 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2960 if (clicks == 2 || clicks == 3)
2961 selection_extend_colrow (selection.mark.col,
2962 selection.mark.row + TermWin.view_start,
2964 1, /* button press */
2965 0); /* click change */
2968 /* ------------------------------------------------------------------------- */
2970 * Mark a selection at the specified col/row
2973 rxvt_term::selection_start_colrow (int col, int row)
2976 selection.mark.col = col;
2977 selection.mark.row = row - TermWin.view_start;
2979 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled);
2980 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1);
2981 MAX_IT (selection.mark.col, 0);
2982 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1);
2984 while (selection.mark.col > 0
2985 && screen.text[selection.mark.row + TermWin.saveLines][selection.mark.col] == NOCHAR)
2986 --selection.mark.col;
2989 { /* clear the old selection */
2990 selection.beg.row = selection.end.row = selection.mark.row;
2991 selection.beg.col = selection.end.col = selection.mark.col;
2994 selection.op = SELECTION_INIT;
2995 selection.screen = current_screen;
2998 /* ------------------------------------------------------------------------- */
3000 * Word select: select text for 2 clicks
3001 * We now only find out the boundary in one direction
3004 /* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3005 #define DELIMIT_TEXT(x) \
3006 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!STRCHR (rs[Rs_cutchars], (x)))
3007 #define DELIMIT_REND(x) 1
3010 rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)
3012 int col, row, dirnadd, tcol, trow, w1, w2;
3019 bound.row = TermWin.saveLines - TermWin.nscrolled - 1;
3025 bound.row = TermWin.saveLines + TermWin.nrow;
3026 bound.col = TermWin.ncol - 1;
3030 row = mark->row + TermWin.saveLines;
3033 /* find the edge of a word */
3034 stp = & (screen.text[row][col]);
3035 w1 = DELIMIT_TEXT (*stp);
3037 srp = (&screen.rend[row][col]);
3038 w2 = DELIMIT_REND (*srp);
3042 for (; col != bound.col; col += dirnadd)
3050 if (DELIMIT_TEXT (*stp) != w1)
3052 if (DELIMIT_REND (*srp) != w2)
3056 if ((col == bound.col) && (row != bound.row))
3058 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1)
3060 trow = row + dirnadd;
3061 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
3063 if (screen.text[trow] == NULL)
3066 stp = & (screen.text[trow][tcol]);
3067 srp = & (screen.rend[trow][tcol]);
3069 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3080 Old_Word_Selection_You_Die:
3081 D_SELECT ((stderr, "rxvt_selection_delimit_word (%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
3084 col++; /* put us on one past the end */
3086 /* Poke the values back in */
3087 ret->row = row - TermWin.saveLines;
3091 /* ------------------------------------------------------------------------- */
3093 * Extend the selection to the specified x/y pixel location
3094 * EXT: button 3 press; button 1 or 3 drag
3095 * flag == 0 ==> button 1
3096 * flag == 1 ==> button 3 press
3097 * flag == 2 ==> button 3 motion
3100 rxvt_term::selection_extend (int x, int y, int flag)
3104 col = Pixel2Col (x);
3105 row = Pixel2Row (y);
3107 MIN_IT (row, (int)TermWin.nrow - 1);
3109 MIN_IT (col, (int)TermWin.ncol);
3112 * If we're selecting characters (single click) then we must check first
3113 * if we are at the same place as the original mark. If we are then
3114 * select nothing. Otherwise, if we're to the right of the mark, you have to
3115 * be _past_ a character for it to be selected.
3117 if (((selection.clicks % 3) == 1) && !flag
3118 && (col == selection.mark.col
3119 && (row == selection.mark.row + TermWin.view_start)))
3121 /* select nothing */
3122 selection.beg.row = selection.end.row = 0;
3123 selection.beg.col = selection.end.col = 0;
3124 selection.clicks = 4;
3126 D_SELECT ((stderr, "rxvt_selection_extend () selection.clicks = 4"));
3130 if (selection.clicks == 4)
3131 selection.clicks = 1;
3133 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3134 flag == 1 ? 1 : 0, /* ? button press */
3135 0); /* no click change */
3138 /* ------------------------------------------------------------------------- */
3140 * Extend the selection to the specified col/row
3143 rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)
3145 int16_t ncol = TermWin.ncol;
3152 D_SELECT ((stderr, "rxvt_selection_extend_colrow (c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
3153 D_SELECT ((stderr, "rxvt_selection_extend_colrow () ENT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3156 switch (selection.op)
3158 case SELECTION_INIT:
3160 selection.op = SELECTION_BEGIN;
3162 case SELECTION_BEGIN:
3163 if (row != selection.mark.row || col != selection.mark.col
3164 || (!button3 && buttonpress))
3165 selection.op = SELECTION_CONT;
3167 case SELECTION_DONE:
3168 selection.op = SELECTION_CONT;
3170 case SELECTION_CONT:
3172 case SELECTION_CLEAR:
3173 selection_start_colrow (col, row);
3178 if (selection.beg.col == selection.end.col
3179 && selection.beg.col != selection.mark.col
3180 && selection.beg.row == selection.end.row
3181 && selection.beg.row != selection.mark.row)
3183 selection.beg.col = selection.end.col = selection.mark.col;
3184 selection.beg.row = selection.end.row = selection.mark.row;
3185 D_SELECT ((stderr, "rxvt_selection_extend_colrow () ENT2 b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3191 pos.row -= TermWin.view_start; /* adjust for scroll */
3194 * This is mainly xterm style selection with a couple of differences, mainly
3195 * in the way button3 drag extension works.
3196 * We're either doing: button1 drag; button3 press; or button3 drag
3197 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3198 * is always at the left/right edge of the selection.
3199 * b) button3 press: extend/contract character/word/line at whichever edge of
3200 * the selection we are closest to.
3201 * c) button3 drag : extend/contract character/word/line - we select around
3202 * a point/word/line which is either the start or end of the selection
3203 * and it was decided by whichever point/word/line was `fixed' at the
3204 * time of the most recent button3 press
3206 if (button3 && buttonpress)
3207 { /* button3 press */
3209 * first determine which edge of the selection we are closest to
3211 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3212 || (!ROWCOL_IS_AFTER (pos, selection.end)
3213 && (((pos.col - selection.beg.col)
3214 + ((pos.row - selection.beg.row) * ncol))
3215 < ((selection.end.col - pos.col)
3216 + ((selection.end.row - pos.row) * ncol)))))
3219 if (closeto == LEFT)
3221 selection.beg.row = pos.row;
3222 selection.beg.col = pos.col;
3223 selection.mark.row = selection.end.row;
3224 selection.mark.col = selection.end.col - (selection.clicks == 2);
3228 selection.end.row = pos.row;
3229 selection.end.col = pos.col;
3230 selection.mark.row = selection.beg.row;
3231 selection.mark.col = selection.beg.col;
3235 { /* button1 drag or button3 drag */
3236 if (ROWCOL_IS_AFTER (selection.mark, pos))
3238 if ((selection.mark.row == selection.end.row)
3239 && (selection.mark.col == selection.end.col)
3240 && clickchange && selection.clicks == 2)
3241 selection.mark.col--;
3243 selection.beg.row = pos.row;
3244 selection.beg.col = pos.col;
3245 selection.end.row = selection.mark.row;
3246 selection.end.col = selection.mark.col + (selection.clicks == 2);
3250 selection.beg.row = selection.mark.row;
3251 selection.beg.col = selection.mark.col;
3252 selection.end.row = pos.row;
3253 selection.end.col = pos.col;
3257 if (selection.clicks == 1)
3259 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3261 if (end_col != -1 && selection.beg.col > end_col)
3264 selection.beg.col = ncol;
3266 if (selection.beg.row != selection.end.row)
3267 selection.beg.col = ncol;
3269 selection.beg.col = selection.mark.col;
3273 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3275 if (end_col != -1 && selection.end.col > end_col)
3276 selection.end.col = ncol;
3278 else if (selection.clicks == 2)
3280 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3281 selection.end.col--;
3283 selection_delimit_word (UP, & (selection.beg), & (selection.beg));
3284 selection_delimit_word (DN, & (selection.end), & (selection.end));
3286 else if (selection.clicks == 3)
3289 if ((Options & Opt_tripleclickwords))
3293 selection_delimit_word (UP, & (selection.beg), & (selection.beg));
3294 end_row = screen.tlen[selection.mark.row + TermWin.saveLines];
3296 for (end_row = selection.mark.row; end_row < TermWin.nrow; end_row++)
3298 end_col = screen.tlen[end_row + TermWin.saveLines];
3302 selection.end.row = end_row;
3303 selection.end.col = end_col;
3304 selection_remove_trailing_spaces ();
3312 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3313 selection.mark.col++;
3314 selection.beg.col = 0;
3315 selection.end.col = ncol;
3319 if (button3 && buttonpress)
3320 { /* mark may need to be changed */
3321 if (closeto == LEFT)
3323 selection.mark.row = selection.end.row;
3324 selection.mark.col = selection.end.col
3325 - (selection.clicks == 2);
3329 selection.mark.row = selection.beg.row;
3330 selection.mark.col = selection.beg.col;
3333 D_SELECT ((stderr, "rxvt_selection_extend_colrow () EXIT b: (r:%d,c:%d) m: (r:%d,c:%d), e: (r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3338 rxvt_term::selection_remove_trailing_spaces ()
3340 int32_t end_col, end_row;
3343 end_col = selection.end.col;
3344 end_row = selection.end.row;
3345 for ( ; end_row >= selection.beg.row; )
3347 stp = screen.text[end_row + TermWin.saveLines];
3348 while (--end_col >= 0)
3350 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3354 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1)
3356 selection.end.col = end_col + 1;
3357 selection.end.row = end_row;
3361 end_col = TermWin.ncol;
3363 if (selection.mark.row > selection.end.row)
3365 selection.mark.row = selection.end.row;
3366 selection.mark.col = selection.end.col;
3368 else if (selection.mark.row == selection.end.row
3369 && selection.mark.col > selection.end.col)
3370 selection.mark.col = selection.end.col;
3374 /* ------------------------------------------------------------------------- */
3376 * Double click on button 3 when already selected
3377 * EXT: button 3 double click
3380 rxvt_term::selection_rotate (int x, int y)
3382 selection.clicks = selection.clicks % 3 + 1;
3383 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3386 /* ------------------------------------------------------------------------- */
3388 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3389 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3392 typedef CARD32 Atom32;
3394 /* ------------------------------------------------------------------------- */
3396 * Respond to a request for our current selection
3397 * EXT: SelectionRequest
3400 rxvt_term::selection_send (const XSelectionRequestEvent &rq)
3404 XICCEncodingStyle style;
3407 ev.type = SelectionNotify;
3409 ev.display = rq.display;
3410 ev.requestor = rq.requestor;
3411 ev.selection = rq.selection;
3412 ev.target = rq.target;
3415 if (rq.target == xa[XA_TARGETS])
3417 Atom32 target_list[6];
3418 Atom32 *target = target_list;
3420 *target++ = (Atom32) xa[XA_TARGETS];
3421 *target++ = (Atom32) xa[XA_TIMESTAMP];
3422 *target++ = (Atom32) XA_STRING;
3423 *target++ = (Atom32) xa[XA_TEXT];
3424 *target++ = (Atom32) xa[XA_COMPOUND_TEXT];
3425 #if X_HAVE_UTF8_STRING
3426 *target++ = (Atom32) xa[XA_UTF8_STRING];
3429 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM,
3430 (8 * sizeof (target_list[0])), PropModeReplace,
3431 (unsigned char *)target_list,
3432 target - target_list);
3433 ev.property = rq.property;
3435 else if (rq.target == xa[XA_MULTIPLE])
3437 /* TODO: Handle MULTIPLE */
3439 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3441 XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER,
3442 (8 * sizeof (Time)), PropModeReplace,
3443 (unsigned char *)&selection_time, 1);
3444 ev.property = rq.property;
3446 else if (rq.target == XA_STRING
3447 || rq.target == xa[XA_TEXT]
3448 || rq.target == xa[XA_COMPOUND_TEXT]
3449 || rq.target == xa[XA_UTF8_STRING]
3458 if (target == XA_STRING)
3459 // we actually don't do XA_STRING, but who cares, as i18n clients
3460 // will ask for another format anyways.
3461 style = XStringStyle;
3462 else if (target == xa[XA_TEXT])
3463 style = XStdICCTextStyle;
3464 else if (target == xa[XA_COMPOUND_TEXT])
3465 style = XCompoundTextStyle;
3466 #if X_HAVE_UTF8_STRING
3467 else if (target == xa[XA_UTF8_STRING])
3468 style = XUTF8StringStyle;
3472 target = xa[XA_COMPOUND_TEXT];
3473 style = XCompoundTextStyle;
3478 cl = selection.text;
3479 selectlen = selection.len;
3487 // Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it
3488 // manually for XUTF8StringStyle.
3489 if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0)
3493 /* if we failed to convert then send it raw */
3494 ct.value = (unsigned char *)cl;
3495 ct.nitems = selectlen;
3498 XChangeProperty (display->display, rq.requestor, rq.property,
3499 target, 8, PropModeReplace,
3500 ct.value, (int)ct.nitems);
3501 ev.property = rq.property;
3507 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev);
3510 /* ------------------------------------------------------------------------- *
3512 * ------------------------------------------------------------------------- */
3515 * return col/row values corresponding to x/y pixel values
3518 rxvt_term::pixel_position (int *x, int *y)
3520 *x = Pixel2Col (*x);
3521 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3522 *y = Pixel2Row (*y);
3523 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3526 /* ------------------------------------------------------------------------- */
3529 rxvt_term::im_set_position (XPoint *pos)
3531 XWindowAttributes xwa;
3533 XGetWindowAttributes (display->display, TermWin.vt, &xwa);
3534 pos->x = Col2Pixel (screen.cur.col) + xwa.x;
3535 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace;
3539 /* ------------------------------------------------------------------------- */