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 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
711 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
713 /* A2: Rotate lines */
714 i = row2 - row1 - count + 1;
715 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
716 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
717 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
719 j = row2 - count + 1, i = count;
721 else /* if (j < 0) */
725 /* B1: Copy lines that will get clobbered by the rotation */
726 for (i = 0, j = row2; i < count; i++, j--)
728 buf_text[i] = screen.text[j];
729 buf_rend[i] = screen.rend[j];
732 /* B2: Rotate lines */
733 for (j = row2, i = j - count; i >= row1; i--, j--)
735 screen.tlen[j] = screen.tlen[i];
736 screen.text[j] = screen.text[i];
737 screen.rend[j] = screen.rend[i];
744 /* C: Resurrect lines */
745 memset (screen.tlen + j, 0, i * sizeof (int16_t));
746 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
747 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
748 if (!spec) /* line length may not equal TermWin.ncol */
750 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle);
755 /* ------------------------------------------------------------------------- */
757 * Add text given in <str> of length <len> to screen struct
760 rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)
762 unsigned char checksel, clearsel;
764 int i, row, last_col;
768 if (len <= 0) /* sanity */
772 last_col = TermWin.ncol;
774 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len));
778 nlines += screen.cur.row - screen.bscroll;
780 && (screen.tscroll == 0)
781 && (screen.bscroll == (TermWin.nrow - 1)))
783 /* _at least_ this many lines need to be scrolled */
784 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0);
785 screen.cur.row -= nlines;
789 assert (screen.cur.col < last_col);
790 assert ((screen.cur.row < TermWin.nrow)
791 && (screen.cur.row >= - (int32_t)TermWin.nscrolled));
792 #else /* drive with your eyes closed */
793 MIN_IT (screen.cur.col, last_col - 1);
794 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
795 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
797 row = screen.cur.row + TermWin.saveLines;
799 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
802 stp = screen.text[row];
803 srp = screen.rend[row];
817 if (screen.tlen[row] != -1) /* XXX: think about this */
818 MAX_IT (screen.tlen[row], screen.cur.col);
820 screen.flags &= ~Screen_WrapNext;
822 if (screen.cur.row == screen.bscroll)
823 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
824 else if (screen.cur.row < (TermWin.nrow - 1))
825 row = (++screen.cur.row) + TermWin.saveLines;
827 stp = screen.text[row]; /* _must_ refresh */
828 srp = screen.rend[row]; /* _must_ refresh */
832 if (screen.tlen[row] != -1) /* XXX: think about this */
833 MAX_IT (screen.tlen[row], screen.cur.col);
835 screen.flags &= ~Screen_WrapNext;
840 if (checksel /* see if we're writing within selection */
841 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
842 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
848 if (screen.flags & Screen_WrapNext)
850 screen.tlen[row] = -1;
851 if (screen.cur.row == screen.bscroll)
852 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
853 else if (screen.cur.row < (TermWin.nrow - 1))
854 row = (++screen.cur.row) + TermWin.saveLines;
856 stp = screen.text[row]; /* _must_ refresh */
857 srp = screen.rend[row]; /* _must_ refresh */
859 screen.flags &= ~Screen_WrapNext;
862 if (screen.flags & Screen_Insert)
863 scr_insdel_chars (1, INSERT);
865 // rely on wcwidth to tell us the character width, at least for non-latin1
866 // do wcwidth before further replacements, as wcwidth says that line-drawing
867 // characters have width -1 (DOH!) on GNU/Linux sometimes.
868 int width = c < 0x100 ? 1 : wcwidth (c);
870 if (charsets[screen.charset] == '0') // DEC SPECIAL
872 // vt100 special graphics and line drawing
873 static uint16_t vt100_0[32] = { // 5f .. 7e
874 0x0020, 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0,
875 0x00b1, 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c,
876 0x23ba, 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534,
877 0x252c, 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7,
880 if (c >= 0x5f && c <= 0x7e)
882 c = vt100_0[c - 0x5f];
889 #if !UNICODE_3 && ENABLE_COMBINING
890 // trim characters we can't store directly :(
892 c = rxvt_composite.compose (c); // map to lower 16 bits
894 bool bold = (Options & Opt_realBold) && ((rstyle & RS_Bold) != 0);
895 rend_t rend = SET_FONT (rstyle,
896 c > 0x7f || bold || c < 0x20
897 ? TermWin.fontset->find_font (c, bold)
898 : TermWin.ascii_map [c - 0x20]);
902 stp[screen.cur.col] = c;
903 srp[screen.cur.col] = rend;
905 if (screen.cur.col < last_col - 1)
909 screen.tlen[row] = last_col;
910 if (screen.flags & Screen_Autowrap)
911 screen.flags |= Screen_WrapNext;
919 // pad with spaces when overwriting wide character with smaller one
920 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++)
929 // handle combining characters
930 // we just tag the accent on the previous on-screen character.
931 // this is arguably not correct, but also arguably not wrong.
932 // we don't handle double-width characters nicely yet.
937 if (screen.cur.col > 0)
939 tp = stp + screen.cur.col - 1;
940 rp = srp + screen.cur.col - 1;
942 else if (screen.cur.row > 0
943 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
945 tp = screen.text[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
946 rp = screen.rend[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
951 // handle double-width-chars by making them look extremely ugly
953 *tp = ' '; // hack //D //TODO //--tp, --rp;
955 // first try to find a precomposed character
956 unicode_t n = rxvt_compose (*tp, c);
958 n = rxvt_composite.compose (*tp, c);
961 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
966 if (screen.tlen[row] != -1) /* XXX: think about this */
967 MAX_IT (screen.tlen[row], screen.cur.col);
970 * If we wrote anywhere in the selected area, kill the selection
971 * XXX: should we kill the mark too? Possibly, but maybe that
972 * should be a similar check.
978 assert (screen.cur.row >= 0);
979 #else /* drive with your eyes closed */
980 MAX_IT (screen.cur.row, 0);
984 /* ------------------------------------------------------------------------- */
986 * Process Backspace. Move back the cursor back a position, wrap if have to
990 rxvt_term::scr_backspace ()
994 if (screen.cur.col == 0)
996 if (screen.cur.row > 0)
998 #ifdef TERMCAP_HAS_BW
999 screen.cur.col = TermWin.ncol - 1;
1006 else if ((screen.flags & Screen_WrapNext) == 0)
1007 scr_gotorc (0, -1, RELATIVE);
1009 screen.flags &= ~Screen_WrapNext;
1012 /* ------------------------------------------------------------------------- */
1014 * Process Horizontal Tab
1015 * count: +ve = forward; -ve = backwards
1019 rxvt_term::scr_tab (int count)
1023 D_SCREEN ((stderr, "rxvt_scr_tab (%d)", count));
1025 i = x = screen.cur.col;
1031 for (; ++i < TermWin.ncol; )
1040 x = TermWin.ncol - 1;
1042 else /* if (count < 0) */
1056 if (x != screen.cur.col)
1057 scr_gotorc (0, x, R_RELATIVE);
1060 /* ------------------------------------------------------------------------- */
1062 * Process DEC Back Index
1064 * Move cursor left in row. If we're at the left boundary, shift everything
1065 * in that row right. Clear left column.
1069 rxvt_term::scr_backindex ()
1071 if (screen.cur.col > 0)
1072 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1075 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1076 return; /* um, yeah? */
1077 scr_insdel_chars (1, INSERT);
1081 /* ------------------------------------------------------------------------- */
1083 * Process DEC Forward Index
1085 * Move cursor right in row. If we're at the right boundary, shift everything
1086 * in that row left. Clear right column.
1090 rxvt_term::scr_forwardindex ()
1094 if (screen.cur.col < TermWin.ncol - 1)
1095 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1098 row = screen.cur.row + TermWin.saveLines;
1099 if (screen.tlen[row] == 0)
1100 return; /* um, yeah? */
1101 else if (screen.tlen[row] == -1)
1102 screen.tlen[row] = TermWin.ncol;
1103 scr_gotorc (0, 0, R_RELATIVE);
1104 scr_insdel_chars (1, DELETE);
1105 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE);
1110 /* ------------------------------------------------------------------------- */
1115 rxvt_term::scr_gotorc (int row, int col, int relative)
1120 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));
1122 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1123 MAX_IT (screen.cur.col, 0);
1124 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1126 screen.flags &= ~Screen_WrapNext;
1127 if (relative & R_RELATIVE)
1131 if (screen.cur.row <= screen.bscroll
1132 && (screen.cur.row + row) > screen.bscroll)
1133 screen.cur.row = screen.bscroll;
1135 screen.cur.row += row;
1139 if (screen.cur.row >= screen.tscroll
1140 && (screen.cur.row + row) < screen.tscroll)
1141 screen.cur.row = screen.tscroll;
1143 screen.cur.row += row;
1148 if (screen.flags & Screen_Relative)
1149 { /* relative origin mode */
1150 screen.cur.row = row + screen.tscroll;
1151 MIN_IT (screen.cur.row, screen.bscroll);
1154 screen.cur.row = row;
1156 MAX_IT (screen.cur.row, 0);
1157 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1159 while (screen.cur.col > 0
1160 && screen.text[screen.cur.row + TermWin.saveLines][screen.cur.col] == NOCHAR)
1164 /* ------------------------------------------------------------------------- */
1166 * direction should be UP or DN
1169 rxvt_term::scr_index (enum page_dirn direction)
1174 dirn = ((direction == UP) ? 1 : -1);
1175 D_SCREEN ((stderr, "rxvt_scr_index (%d)", dirn));
1179 screen.flags &= ~Screen_WrapNext;
1180 if ((screen.cur.row == screen.bscroll && direction == UP)
1181 || (screen.cur.row == screen.tscroll && direction == DN))
1182 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0);
1184 screen.cur.row += dirn;
1185 MAX_IT (screen.cur.row, 0);
1186 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1187 selection_check (0);
1190 /* ------------------------------------------------------------------------- */
1192 * Erase part or whole of a line
1193 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1194 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1195 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1198 rxvt_term::scr_erase_line (int mode)
1200 unsigned int row, col, num;
1203 D_SCREEN ((stderr, "rxvt_scr_erase_line (%d) at screen row: %d", mode, screen.cur.row));
1206 selection_check (1);
1208 screen.flags &= ~Screen_WrapNext;
1210 row = TermWin.saveLines + screen.cur.row;
1213 case 0: /* erase to end of line */
1214 col = screen.cur.col;
1215 num = TermWin.ncol - col;
1216 MIN_IT (screen.tlen[row], (int16_t)col);
1217 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1218 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1221 case 1: /* erase to beginning of line */
1223 num = screen.cur.col + 1;
1224 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1225 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1228 case 2: /* erase whole line */
1231 screen.tlen[row] = 0;
1232 if (selection.beg.row <= screen.cur.row
1233 && selection.end.row >= screen.cur.row)
1240 if (screen.text[row])
1241 scr_blank_line (&screen.text[row][col], &screen.rend[row][col], num, rstyle);
1243 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1246 /* ------------------------------------------------------------------------- */
1248 * Erase part of whole of the screen
1249 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1250 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1251 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1254 rxvt_term::scr_erase_screen (int mode)
1257 int32_t row, row_offset;
1262 D_SCREEN ((stderr, "rxvt_scr_erase_screen (%d) at screen row: %d", mode, screen.cur.row));
1264 row_offset = (int32_t)TermWin.saveLines;
1268 case 0: /* erase to end of screen */
1269 selection_check (1);
1271 row = screen.cur.row + 1; /* possible OOB */
1272 num = TermWin.nrow - row;
1274 case 1: /* erase to beginning of screen */
1275 selection_check (3);
1278 num = screen.cur.row;
1280 case 2: /* erase whole screen */
1281 selection_check (3);
1289 if (selection.op && current_screen == selection.screen
1290 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1291 || (selection.end.row >= row
1292 && selection.end.row <= row + num)))
1295 if (row >= TermWin.nrow) /* Out Of Bounds */
1298 MIN_IT (num, (TermWin.nrow - row));
1300 if (rstyle & (RS_RVid | RS_Uline))
1301 ren = (rend_t) ~RS_None;
1302 else if (GET_BASEBG (rstyle) == Color_bg)
1304 ren = DEFAULT_RSTYLE;
1305 CLEAR_ROWS (row, num);
1309 ren = (rstyle & (RS_fgMask | RS_bgMask));
1310 gcvalue.foreground = PixColors[GET_BGCOLOR (rstyle)];
1311 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1312 ERASE_ROWS (row, num);
1313 gcvalue.foreground = PixColors[Color_fg];
1314 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1317 for (; num--; row++)
1319 scr_blank_screen_mem (screen.text, screen.rend,
1320 (unsigned int) (row + row_offset), rstyle);
1321 screen.tlen[row + row_offset] = 0;
1322 scr_blank_line (drawn_text[row], drawn_rend[row],
1323 (unsigned int)TermWin.ncol, ren);
1327 /* ------------------------------------------------------------------------- */
1329 * Fill the screen with `E's
1330 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1341 selection_check (3);
1343 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E'));
1344 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++)
1346 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */
1347 fill_text (screen.text[k], 'E', TermWin.ncol);
1348 for (r1 = screen.rend[k], j = TermWin.ncol; j--; )
1353 /* ------------------------------------------------------------------------- */
1355 * Insert/Delete <count> lines
1358 rxvt_term::scr_insdel_lines (int count, int insdel)
1364 selection_check (1);
1366 if (screen.cur.row > screen.bscroll)
1369 end = screen.bscroll - screen.cur.row + 1;
1372 if (insdel == DELETE)
1374 else if (insdel == INSERT)
1377 screen.flags &= ~Screen_WrapNext;
1379 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0);
1382 /* ------------------------------------------------------------------------- */
1384 * Insert/Delete <count> characters from the current position
1387 rxvt_term::scr_insdel_chars (int count, int insdel)
1401 selection_check (1);
1402 MIN_IT (count, (TermWin.ncol - screen.cur.col));
1404 row = screen.cur.row + TermWin.saveLines;
1405 screen.flags &= ~Screen_WrapNext;
1407 stp = screen.text[row];
1408 srp = screen.rend[row];
1409 slp = & (screen.tlen[row]);
1414 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col;
1417 stp[col] = stp[col - count];
1418 srp[col] = srp[col - count];
1424 MIN_IT (*slp, TermWin.ncol);
1427 if (selection.op && current_screen == selection.screen
1428 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1430 if (selection.end.row != screen.cur.row
1431 || (selection.end.col + count >= TermWin.ncol))
1434 { /* shift selection */
1435 selection.beg.col += count;
1436 selection.mark.col += count; /* XXX: yes? */
1437 selection.end.col += count;
1441 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]),
1442 (unsigned int)count, rstyle);
1446 screen.cur.col += count; /* don't worry if > TermWin.ncol */
1447 selection_check (1);
1448 screen.cur.col -= count;
1449 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]),
1450 (unsigned int)count, rstyle);
1454 tr = srp[TermWin.ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1456 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++)
1458 stp[col] = stp[col + count];
1459 srp[col] = srp[col + count];
1462 scr_blank_line (& (stp[TermWin.ncol - count]),
1463 & (srp[TermWin.ncol - count]),
1464 (unsigned int)count, tr);
1466 if (*slp == -1) /* break line continuation */
1467 *slp = TermWin.ncol;
1472 if (selection.op && current_screen == selection.screen
1473 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1475 if (selection.end.row != screen.cur.row
1476 || (screen.cur.col >= selection.beg.col - count)
1477 || selection.end.col >= TermWin.ncol)
1481 /* shift selection */
1482 selection.beg.col -= count;
1483 selection.mark.col -= count; /* XXX: yes? */
1484 selection.end.col -= count;
1492 /* ------------------------------------------------------------------------- */
1494 * Set the scrolling region
1495 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1498 rxvt_term::scr_scroll_region (int top, int bot)
1501 MIN_IT (bot, (int)TermWin.nrow - 1);
1506 screen.tscroll = top;
1507 screen.bscroll = bot;
1508 scr_gotorc (0, 0, 0);
1511 /* ------------------------------------------------------------------------- */
1513 * Make the cursor visible/invisible
1514 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1515 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1518 rxvt_term::scr_cursor_visible (int mode)
1523 screen.flags |= Screen_VisibleCursor;
1525 screen.flags &= ~Screen_VisibleCursor;
1528 /* ------------------------------------------------------------------------- */
1530 * Set/unset automatic wrapping
1531 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1532 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1535 rxvt_term::scr_autowrap (int mode)
1538 screen.flags |= Screen_Autowrap;
1540 screen.flags &= ~ (Screen_Autowrap | Screen_WrapNext);
1543 /* ------------------------------------------------------------------------- */
1545 * Set/unset margin origin mode
1546 * Absolute mode: line numbers are counted relative to top margin of screen
1547 * and the cursor can be moved outside the scrolling region.
1548 * Relative mode: line numbers are relative to top margin of scrolling region
1549 * and the cursor cannot be moved outside.
1550 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1551 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1554 rxvt_term::scr_relative_origin (int mode)
1557 screen.flags |= Screen_Relative;
1559 screen.flags &= ~Screen_Relative;
1560 scr_gotorc (0, 0, 0);
1563 /* ------------------------------------------------------------------------- */
1565 * Set insert/replace mode
1566 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1567 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1570 rxvt_term::scr_insert_mode (int mode)
1573 screen.flags |= Screen_Insert;
1575 screen.flags &= ~Screen_Insert;
1578 /* ------------------------------------------------------------------------- */
1581 * XTERM_SEQ: Set tab at current column : ESC H
1582 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1583 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1586 rxvt_term::scr_set_tab (int mode)
1589 MEMSET (tabs, 0, TermWin.ncol * sizeof (char));
1590 else if (screen.cur.col < TermWin.ncol)
1591 tabs[screen.cur.col] = (mode ? 1 : 0);
1594 /* ------------------------------------------------------------------------- */
1596 * Set reverse/normal video
1597 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1598 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1601 rxvt_term::scr_rvideo_mode (int mode)
1608 SWAP_IT (PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1609 #if defined(XPM_BACKGROUND)
1610 if (bgPixmap.pixmap == None)
1612 #if defined(TRANSPARENT)
1613 if (! (Options & Opt_transparent) || am_transparent == 0)
1615 XSetWindowBackground (display->display, TermWin.vt,
1616 PixColors[Color_bg]);
1618 gcvalue.foreground = PixColors[Color_fg];
1619 gcvalue.background = PixColors[Color_bg];
1620 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground,
1627 /* ------------------------------------------------------------------------- */
1629 * Report current cursor position
1630 * XTERM_SEQ: Report position: ESC [ 6 n
1633 rxvt_term::scr_report_position ()
1635 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1638 /* ------------------------------------------------------------------------- *
1640 * ------------------------------------------------------------------------- */
1646 rxvt_term::set_font_style ()
1648 switch (charsets[screen.charset])
1650 case '0': /* DEC Special Character & Line Drawing Set */
1652 case 'A': /* United Kingdom (UK) */
1654 case 'B': /* United States (USASCII) */
1656 case '<': /* Multinational character set */
1658 case '5': /* Finnish character set */
1660 case 'C': /* Finnish character set */
1662 case 'K': /* German character set */
1667 /* ------------------------------------------------------------------------- */
1670 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1671 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1672 * XTERM_SEQ: Invoke G2 character set: ESC N
1673 * XTERM_SEQ: Invoke G3 character set: ESC O
1676 rxvt_term::scr_charset_choose (int set)
1678 screen.charset = set;
1682 /* ------------------------------------------------------------------------- */
1685 * XTERM_SEQ: Set G0 character set: ESC ( <C>
1686 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1687 * XTERM_SEQ: Set G2 character set: ESC * <C>
1688 * XTERM_SEQ: Set G3 character set: ESC + <C>
1689 * See set_font_style for possible values for <C>
1692 rxvt_term::scr_charset_set (int set, unsigned int ch)
1694 charsets[set] = (unsigned char)ch;
1699 /* ------------------------------------------------------------------------- *
1700 * MAJOR SCREEN MANIPULATION *
1701 * ------------------------------------------------------------------------- */
1704 * refresh matching text.
1707 rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)
1711 for (int i = 0; i < TermWin.nrow; i++)
1714 rend_t *drp = drawn_rend [i];
1716 for (; col < TermWin.ncol; col++, drp++)
1717 if ((*drp & mask) == value)
1737 rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh)
1740 row_col_t rc[RC_COUNT];
1742 if (drawn_text == NULL) /* sanity check */
1745 #ifndef NO_SLOW_LINK_SUPPORT
1746 if (refresh_type == FAST_REFRESH && !display->is_local)
1749 height = TermWin.height;
1755 x = min (x, (int)TermWin.width);
1757 y = min (y, (int)TermWin.height);
1761 rc[PART_BEG].col = Pixel2Col (x);
1762 rc[PART_BEG].row = Pixel2Row (y);
1764 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1);
1765 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1);
1768 for (i = PART_BEG; i < RC_COUNT; i++)
1770 MIN_IT (rc[i].col, TermWin.ncol - 1);
1771 MIN_IT (rc[i].row, TermWin.nrow - 1);
1774 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));
1776 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1777 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1780 scr_refresh (SLOW_REFRESH);
1783 /* ------------------------------------------------------------------------- */
1785 * Refresh the entire screen
1788 rxvt_term::scr_touch (bool refresh)
1790 scr_expose (0, 0, TermWin.width, TermWin.height, refresh);
1793 /* ------------------------------------------------------------------------- */
1795 * Move the display so that the line represented by scrollbar value Y is at
1796 * the top of the screen
1799 rxvt_term::scr_move_to (int y, int len)
1802 uint16_t oldviewstart;
1804 oldviewstart = TermWin.view_start;
1807 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1808 p -= (long) (TermWin.nrow - 1);
1811 TermWin.view_start = (uint16_t)min (p, TermWin.nscrolled);
1812 D_SCREEN ((stderr, "rxvt_scr_move_to (%d, %d) view_start:%d", y, len, TermWin.view_start));
1814 return scr_changeview (oldviewstart);
1817 /* ------------------------------------------------------------------------- */
1819 * Page the screen up/down nlines
1820 * direction should be UP or DN
1823 rxvt_term::scr_page (enum page_dirn direction, int nlines)
1826 uint16_t oldviewstart;
1828 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1830 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1832 oldviewstart = TermWin.view_start;
1833 if (direction == UP)
1835 n = TermWin.view_start + nlines;
1836 TermWin.view_start = min (n, TermWin.nscrolled);
1840 n = TermWin.view_start - nlines;
1841 TermWin.view_start = max (n, 0);
1843 return scr_changeview (oldviewstart);
1847 rxvt_term::scr_changeview (uint16_t oldviewstart)
1849 if (TermWin.view_start != oldviewstart)
1852 num_scr -= (TermWin.view_start - oldviewstart);
1855 return (int) (TermWin.view_start - oldviewstart);
1858 /* ------------------------------------------------------------------------- */
1860 rxvt_term::scr_bell ()
1863 # ifndef NO_MAPALERT
1864 # ifdef MAPALERT_OPTION
1865 if (Options & Opt_mapAlert)
1867 XMapWindow (display->display, TermWin.parent[0]);
1869 if (Options & Opt_visualBell)
1871 scr_rvideo_mode (!rvideo); /* refresh also done */
1872 scr_rvideo_mode (!rvideo); /* refresh also done */
1875 XBell (display->display, 0);
1879 /* ------------------------------------------------------------------------- */
1882 rxvt_term::scr_printscreen (int fullhist)
1885 int i, r1, nrows, row_offset;
1889 if ((fd = popen_printer ()) == NULL)
1891 nrows = TermWin.nrow;
1892 row_offset = TermWin.saveLines;
1894 row_offset -= TermWin.view_start;
1897 nrows += TermWin.nscrolled;
1898 row_offset -= TermWin.nscrolled;
1901 for (r1 = 0; r1 < nrows; r1++)
1903 t = screen.text[r1 + row_offset];
1904 for (i = TermWin.ncol - 1; i >= 0; i--)
1905 if (!isspace (t[i]))
1907 fprintf (fd, "%.*s\n", (i + 1), t);
1909 pclose_printer (fd);
1913 /* ------------------------------------------------------------------------- */
1915 * Refresh the screen
1916 * drawn_text/drawn_rend contain the screen information before the update.
1917 * screen.text/screen.rend contain what the screen will change to.
1920 #define FONT_WIDTH(X, Y) \
1921 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
1922 #define FONT_RBEAR(X, Y) \
1923 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
1924 #define FONT_LBEAR(X, Y) \
1925 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
1926 #define IS_FONT_CHAR(X, Y) \
1927 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1930 rxvt_term::scr_refresh (unsigned char refresh_type)
1932 unsigned char must_clear, /* use draw_string not draw_image_string */
1933 rvid, /* reverse video this position */
1934 showcursor; /* show the cursor */
1935 int16_t col, row, /* column/row we're processing */
1936 ocrow; /* old cursor row */
1938 row_offset; /* basic offset in screen structure */
1939 #ifndef NO_CURSORCOLOR
1940 rend_t cc1; /* store colours at cursor position (s) */
1942 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1943 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1945 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1955 row_offset = TermWin.saveLines - TermWin.view_start;
1957 #ifdef XPM_BACKGROUND
1958 must_clear |= (bgPixmap.pixmap != None);
1961 must_clear |= ((Options & Opt_transparent) && am_transparent);
1963 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1966 * B: reverse any characters which are selected
1968 scr_reverse_selection ();
1971 * C: set the cursor character (s)
1974 unsigned char setoldcursor;
1975 rend_t ccol1, /* Cursor colour */
1976 ccol2; /* Cursor colour2 */
1978 showcursor = (screen.flags & Screen_VisibleCursor);
1986 srp = &(screen.rend[screen.cur.row + TermWin.saveLines][screen.cur.col]);
1988 if (showcursor && TermWin.focus)
1991 #ifndef NO_CURSORCOLOR
1992 cc1 = *srp & (RS_fgMask | RS_bgMask);
1993 if (ISSET_PIXCOLOR (Color_cursor))
1994 ccol1 = Color_cursor;
1996 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1997 ccol1 = GET_FGCOLOR (rstyle);
2001 if (ISSET_PIXCOLOR (Color_cursor2))
2002 ccol2 = Color_cursor2;
2004 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2005 ccol2 = GET_BGCOLOR (rstyle);
2009 *srp = SET_FGCOLOR (*srp, ccol1);
2010 *srp = SET_BGCOLOR (*srp, ccol2);
2015 /* make sure no outline cursor is left around */
2019 if (screen.cur.row + TermWin.view_start != ocrow
2020 || screen.cur.col != oldcursor.col)
2022 if (ocrow < TermWin.nrow
2023 && oldcursor.col < TermWin.ncol)
2024 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2026 if (TermWin.focus || !showcursor)
2032 else if (!TermWin.focus)
2037 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2041 oldcursor.row = screen.cur.row + TermWin.view_start;
2042 oldcursor.col = screen.cur.col;
2047 #ifndef NO_SLOW_LINK_SUPPORT
2049 * D: CopyArea pass - very useful for slower links
2050 * This has been deliberately kept simple.
2053 if (!display->is_local
2054 && refresh_type == FAST_REFRESH && num_scr_allow && i
2055 && abs (i) < TermWin.nrow && !must_clear)
2065 row = i > 0 ? 0 : j - 1;
2066 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2068 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow)
2070 stp = screen.text[row + row_offset];
2071 srp = screen.rend[row + row_offset];
2072 dtp = drawn_text[row];
2073 dtp2 = drawn_text[row + i];
2074 drp = drawn_rend[row];
2075 drp2 = drawn_rend[row + i];
2077 for (nits = 0, col = TermWin.ncol; col--; )
2078 if (stp[col] != dtp2[col] || srp[col] != drp2[col])
2080 else if (stp[col] != dtp[col] || srp[col] != drp[col])
2083 if (nits > 8) /* XXX: arbitrary choice */
2085 for (col = TermWin.ncol; col--; )
2101 /* also comes here at end if needed because of >= above */
2103 SWAP_IT (wlen, len, int);
2105 D_SCREEN ((stderr, "rxvt_scr_refresh (): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2106 XCopyArea (display->display, TermWin.vt, TermWin.vt,
2107 TermWin.gc, 0, Row2Pixel (len + i),
2108 (unsigned int)TermWin_TotalWidth (),
2109 (unsigned int)Height2Pixel (wlen - len + 1),
2110 0, Row2Pixel (len));
2118 * E: main pass across every character
2120 for (row = 0; row < TermWin.nrow; row++)
2122 stp = screen.text[row + row_offset];
2123 srp = screen.rend[row + row_offset];
2124 dtp = drawn_text[row];
2125 drp = drawn_rend[row];
2128 * E2: OK, now the real pass
2130 int ypixel = (int)Row2Pixel (row);
2132 for (col = 0; col < TermWin.ncol; col++)
2134 /* compare new text with old - if exactly the same then continue */
2135 if (stp[col] == dtp[col] /* Must match characters to skip. */
2136 && (srp[col] == drp[col] /* Either rendition the same or */
2137 || (stp[col] == ' ' /* space w/ no background change */
2138 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2141 // redraw one or more characters
2143 // seek to the beginning if wide characters
2144 while (stp[col] == NOCHAR && col > 0)
2147 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2148 text_t *text = stp + col;
2151 dtp[col] = stp[col];
2154 int xpixel = Col2Pixel (col);
2156 // this loop looks very messy, it can probably be optimized
2157 // and cleaned a bit by you?
2158 for (i = 0; ++col < TermWin.ncol; )
2160 if (stp[col] == NOCHAR)
2162 dtp[col] = stp[col];
2166 if (i) // only possible skip if char unchanged
2172 if (rend != srp[col])
2177 if (stp[col] != dtp[col]
2178 || srp[col] != drp[col])
2180 if (must_clear && (i++ > (count / 2)))
2183 dtp[col] = stp[col];
2187 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2191 col--; /* went one too far. move back */
2192 count -= i; /* dump any matching trailing chars */
2195 * Determine the attributes for the string
2197 int fid = GET_FONT (rend);
2198 int fore = GET_FGCOLOR (rend); // desired foreground
2199 int back = GET_BGCOLOR (rend); // desired background
2201 rend = GET_ATTR (rend);
2203 rvid = !!(rend & RS_RVid);
2205 #ifndef NO_BOLD_UNDERLINE_REVERSE
2206 if (rend & RS_Bold && fore == Color_fg && !(Options & Opt_realBold))
2208 if (ISSET_PIXCOLOR (Color_BD))
2214 if (rend & RS_Uline)
2215 if (ISSET_PIXCOLOR (Color_UL))
2221 SWAP_IT (fore, back, int);
2223 #ifndef NO_BOLD_UNDERLINE_REVERSE
2224 if (ISSET_PIXCOLOR (Color_RV)
2225 # ifndef NO_CURSORCOLOR
2226 && !ISSET_PIXCOLOR (Color_cursor)
2234 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2236 if (!text_blink_ev.active)
2238 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2241 else if (hidden_text)
2247 * Actually do the drawing of the string here
2249 rxvt_font *font = (*TermWin.fontset)[fid];
2252 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2253 TermWin.fwidth * count, TermWin.fheight,
2255 else if (back == Color_bg)
2259 CLEAR_CHARS (xpixel, ypixel, count);
2261 for (i = 0; i < count; i++) /* don't draw empty strings */
2264 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1);
2269 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg);
2272 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back);
2274 if (rend & RS_Uline && font->descent > 1 && fore != back)
2275 XDrawLine (display->display, drawBuffer, TermWin.gc,
2276 xpixel, ypixel + font->ascent + 1,
2277 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2278 } /* for (col....) */
2279 } /* for (row....) */
2282 * G: cleanup cursor and display outline cursor if necessary
2288 srp = & (screen.rend[screen.cur.row + TermWin.saveLines]
2291 #ifndef NO_CURSORCOLOR
2292 *srp = (*srp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2295 else if (oldcursor.row >= 0)
2297 #ifndef NO_CURSORCOLOR
2298 if (ISSET_PIXCOLOR (Color_cursor))
2299 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]);
2301 int cursorwidth = 1;
2302 while (oldcursor.col + cursorwidth < TermWin.ncol
2303 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2306 XDrawRectangle (display->display, drawBuffer, TermWin.gc,
2307 Col2Pixel (oldcursor.col),
2308 Row2Pixel (oldcursor.row),
2309 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2310 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1));
2315 * H: cleanup selection
2317 scr_reverse_selection ();
2319 if (refresh_type & SMOOTH_REFRESH)
2320 XFlush (display->display);
2324 want_refresh = 0; /* screen is current */
2328 rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp)
2333 for (int i = TermWin.ncol; i; i--, rp++, tp++)
2334 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
2338 rxvt_term::scr_remap_chars ()
2340 for (int i = TermWin.nrow + TermWin.saveLines; i--; )
2341 scr_remap_chars (screen.text[i], screen.rend[i]);
2343 for (int i = TermWin.nrow; i--; )
2345 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2346 scr_remap_chars (swap.text[i], swap.rend[i]);
2350 /* ------------------------------------------------------------------------- */
2352 rxvt_term::scr_clear (bool really)
2354 if (!TermWin.mapped)
2361 if ((Options & Opt_transparent) && (am_pixmap_trans == 0))
2365 if (! (Options & Opt_transparent_all))
2368 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2371 if (TermWin.parent[i] != None)
2372 XClearWindow (display->display, TermWin.parent[i]);
2377 XClearWindow (display->display, TermWin.vt);
2380 /* ------------------------------------------------------------------------- */
2382 rxvt_term::scr_reverse_selection ()
2384 if (selection.op && current_screen == selection.screen)
2386 int end_row = TermWin.saveLines - TermWin.view_start;
2387 int i = selection.beg.row + TermWin.saveLines;
2388 int col, row = selection.end.row + TermWin.saveLines;
2392 col = selection.beg.col;
2399 end_row += TermWin.nrow;
2400 for (; i < row && i < end_row; i++, col = 0)
2401 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2402 srp[col] ^= RS_RVid;
2404 if (i == row && i < end_row)
2405 for (srp = screen.rend[i]; col < selection.end.col; col++)
2406 srp[col] ^= RS_RVid;
2410 /* ------------------------------------------------------------------------- */
2412 * Dump the whole scrollback and screen to the passed filedescriptor. The
2413 * invoking routine must close the fd.
2417 rxvt_term::scr_dump (int fd)
2420 unsigned int width, towrite;
2423 for (row = TermWin.saveLines - TermWin.nscrolled;
2424 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2426 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2428 for (towrite = width; towrite; towrite -= wrote)
2430 wrote = write (fd, & (screen.text[row][width - towrite]),
2433 return; /* XXX: death, no report */
2435 if (screen.tlen[row] >= 0)
2436 if (write (fd, r1, 1) <= 0)
2437 return; /* XXX: death, no report */
2442 /* ------------------------------------------------------------------------- *
2443 * CHARACTER SELECTION *
2444 * ------------------------------------------------------------------------- */
2447 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2450 rxvt_term::selection_check (int check_more)
2457 pos.row = pos.col = 0;
2458 if ((selection.beg.row < - (int32_t)TermWin.nscrolled)
2459 || (selection.beg.row >= TermWin.nrow)
2460 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2461 || (selection.mark.row >= TermWin.nrow)
2462 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2463 || (selection.end.row >= TermWin.nrow)
2465 && current_screen == selection.screen
2466 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2467 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2469 && ROWCOL_IS_BEFORE (selection.beg, pos)
2470 && ROWCOL_IS_AFTER (selection.end, pos))
2472 && ROWCOL_IS_AFTER (selection.end, pos))
2473 || (check_more == 4 /* screen width change */
2474 && (selection.beg.row != selection.end.row
2475 || selection.end.col > TermWin.ncol)))
2479 /* ------------------------------------------------------------------------- */
2481 * Paste a selection direct to the command fd
2484 rxvt_term::paste (const unsigned char *data, unsigned int len)
2486 unsigned int i, j, n;
2487 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2490 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2491 ZERO_SCROLLBACK (r);
2494 /* convert normal newline chars into common keyboard Return key sequence */
2495 for (i = 0; i < len; i += PROP_SIZE)
2497 n = min (len - i, PROP_SIZE);
2498 MEMCPY (ds, data + i, n);
2500 for (j = 0; j < n; j++)
2504 tt_write (ds, (int)n);
2510 /* ------------------------------------------------------------------------- */
2512 * Respond to a notification that a primary selection has been sent
2513 * EXT: SelectionNotify
2516 rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2519 unsigned long bytes_after;
2522 D_SELECT ((stderr, "rxvt_selection_paste (%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2524 if (prop == None) /* check for failed XConvertSelection */
2526 if ((selection_type & Sel_CompoundText))
2528 int selnum = selection_type & Sel_whereMask;
2531 if (selnum != Sel_direct)
2532 selection_request_other (XA_STRING, selnum);
2535 if ((selection_type & Sel_UTF8String))
2537 int selnum = selection_type & Sel_whereMask;
2539 selection_type = Sel_CompoundText;
2540 if (selnum != Sel_direct)
2541 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2551 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2552 (long) (PROP_SIZE / 4), delete_prop,
2553 AnyPropertyType, &ct.encoding, &ct.format,
2554 &ct.nitems, &bytes_after,
2555 &ct.value) != Success)
2558 if (ct.encoding == 0)
2560 D_SELECT ((stderr, "rxvt_selection_paste: property didn't exist!"));
2564 if (ct.value == NULL)
2566 D_SELECT ((stderr, "rxvt_selection_paste: property shooting blanks!"));
2572 D_SELECT ((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2574 if (selection_wait == Sel_normal && nread == 0
2575 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2578 * pass through again trying CUT_BUFFER0 if we've come from
2579 * XConvertSelection () but nothing was presented
2581 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2582 selection_paste (display->root, XA_CUT_BUFFER0, False);
2585 nread = -1; /* discount any previous stuff */
2593 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 && cl)
2595 for (int i = 0; i < cr; i++)
2596 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2598 XFreeStringList (cl);
2601 paste (ct.value, ct.nitems);
2603 if (bytes_after == 0)
2612 if (selection_wait == Sel_normal)
2613 selection_wait = Sel_none;
2615 D_SELECT ((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2620 rxvt_term::incr_cb (time_watcher &w)
2622 selection_wait = Sel_none;
2624 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2628 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2631 rxvt_term::selection_property (Window win, Atom prop)
2638 D_SELECT ((stderr, "rxvt_selection_property (%08lx, %lu)", win, (unsigned long)prop));
2639 if (selection_wait == Sel_normal)
2643 unsigned long bytes_after, nitems;
2644 unsigned char *s = NULL;
2646 a = XGetWindowProperty (display->display, win, prop, 0L, 1L, False,
2647 xa[XA_INCR], &atype, &afmt, &nitems,
2654 #ifndef __CYGWIN32__
2655 if (atype == xa[XA_INCR])
2656 { /* start an INCR transfer */
2657 D_SELECT ((stderr, "rxvt_selection_property: INCR: starting transfer"));
2658 XDeleteProperty (display->display, win, prop);
2659 XFlush (display->display);
2661 selection_wait = Sel_incr;
2666 else if (selection_wait == Sel_incr)
2670 if (selection_paste (win, prop, True) == -1)
2672 D_SELECT ((stderr, "rxvt_selection_property: INCR: clean end"));
2673 selection_wait = Sel_none;
2677 if (reget_time) /* received more data so reget time */
2678 incr_ev.start (NOW + 10);
2681 /* ------------------------------------------------------------------------- */
2683 * Request the current selection:
2684 * Order: > internal selection if available
2685 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2687 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2688 * will auto fallback to CUT_BUFFER0
2689 * EXT: button 2 release
2692 rxvt_term::selection_request (Time tm, int x, int y)
2694 D_SELECT ((stderr, "rxvt_selection_request (%lu, %d, %d)", tm, x, y));
2696 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2697 return; /* outside window */
2700 { /* internal selection */
2701 D_SELECT ((stderr, "rxvt_selection_request: pasting internal"));
2702 char *str = rxvt_wcstombs (selection.text, selection.len);
2703 paste ((unsigned char *)str, strlen (str));
2711 selection_request_time = tm;
2712 selection_wait = Sel_normal;
2714 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2716 #if X_HAVE_UTF8_STRING
2717 selection_type = Sel_UTF8String;
2718 if (selection_request_other (xa[XA_UTF8_STRING], i))
2721 selection_type = Sel_CompoundText;
2722 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2729 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2730 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2731 selection_paste (display->root, XA_CUT_BUFFER0, False);
2735 rxvt_term::selection_request_other (Atom target, int selnum)
2739 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2742 selection_type |= selnum;
2744 if (selnum == Sel_Primary)
2746 else if (selnum == Sel_Secondary)
2749 sel = xa[XA_CLIPBOARD];
2751 if (XGetSelectionOwner (display->display, sel) != None)
2753 D_SELECT ((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2754 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2755 TermWin.vt, selection_request_time);
2762 /* ------------------------------------------------------------------------- */
2764 * Clear all selected text
2765 * EXT: SelectionClear
2768 rxvt_term::selection_clear ()
2770 D_SELECT ((stderr, "rxvt_selection_clear ()"));
2773 free (selection.text);
2774 selection.text = NULL;
2778 if (display->selection_owner == this)
2779 display->selection_owner = 0;
2782 /* ------------------------------------------------------------------------- */
2784 * Copy a selection into the cut buffer
2785 * EXT: button 1 or 3 release
2788 rxvt_term::selection_make (Time tm)
2790 int i, col, end_col, row, end_row;
2791 wchar_t *new_selection_text;
2794 D_SELECT ((stderr, "rxvt_selection_make (): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2795 switch (selection.op)
2797 case SELECTION_CONT:
2799 case SELECTION_INIT:
2802 case SELECTION_BEGIN:
2803 selection.op = SELECTION_DONE;
2809 selection.op = SELECTION_DONE;
2811 if (selection.clicks == 4)
2812 return; /* nothing selected, go away */
2814 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1);
2815 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2817 col = selection.beg.col;
2819 row = selection.beg.row + TermWin.saveLines;
2820 end_row = selection.end.row + TermWin.saveLines;
2824 for (; row <= end_row; row++, col = 0)
2826 t = &(screen.text[row][col]);
2828 end_col = screen.tlen[row];
2831 end_col = TermWin.ncol;
2834 MIN_IT (end_col, selection.end.col);
2836 for (; col < end_col; col++)
2840 #if ENABLE_COMBINING
2841 else if (IS_COMPOSE (*t))
2843 int len = rxvt_composite.expand (*t, 0);
2851 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));
2854 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2858 new_selection_text[ofs++] = *t++;
2861 if (screen.tlen[row] != -1 && row != end_row)
2862 new_selection_text[ofs++] = C0_LF;
2865 if (end_col != selection.end.col)
2866 new_selection_text[ofs++] = C0_LF;
2868 new_selection_text[ofs] = 0;
2872 free (new_selection_text);
2876 free (selection.text);
2878 // we usually allocate much more than necessary, so realloc it smaller again
2879 selection.len = ofs;
2880 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2882 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm);
2883 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt)
2884 display->set_selection_owner (this);
2886 rxvt_warn ("can't get primary selection, ignoring.\n");
2891 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2893 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
2894 PropModeReplace, ct.value, ct.nitems);
2899 selection_time = tm;
2900 D_SELECT ((stderr, "rxvt_selection_make (): selection.len=%d", selection.len));
2903 /* ------------------------------------------------------------------------- */
2905 * Mark or select text based upon number of clicks: 1, 2, or 3
2906 * EXT: button 1 press
2909 rxvt_term::selection_click (int clicks, int x, int y)
2911 D_SELECT ((stderr, "rxvt_selection_click (%d, %d, %d)", clicks, x, y));
2913 clicks = ((clicks - 1) % 3) + 1;
2914 selection.clicks = clicks; /* save clicks so extend will work */
2916 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2918 if (clicks == 2 || clicks == 3)
2919 selection_extend_colrow (selection.mark.col,
2920 selection.mark.row + TermWin.view_start,
2922 1, /* button press */
2923 0); /* click change */
2926 /* ------------------------------------------------------------------------- */
2928 * Mark a selection at the specified col/row
2931 rxvt_term::selection_start_colrow (int col, int row)
2934 selection.mark.col = col;
2935 selection.mark.row = row - TermWin.view_start;
2937 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled);
2938 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1);
2939 MAX_IT (selection.mark.col, 0);
2940 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1);
2942 while (selection.mark.col > 0
2943 && screen.text[selection.mark.row + TermWin.saveLines][selection.mark.col] == NOCHAR)
2944 --selection.mark.col;
2947 { /* clear the old selection */
2948 selection.beg.row = selection.end.row = selection.mark.row;
2949 selection.beg.col = selection.end.col = selection.mark.col;
2952 selection.op = SELECTION_INIT;
2953 selection.screen = current_screen;
2956 /* ------------------------------------------------------------------------- */
2958 * Word select: select text for 2 clicks
2959 * We now only find out the boundary in one direction
2962 /* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2963 #define DELIMIT_TEXT(x) \
2964 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!STRCHR (rs[Rs_cutchars], (x)))
2965 #define DELIMIT_REND(x) 1
2968 rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)
2970 int col, row, dirnadd, tcol, trow, w1, w2;
2977 bound.row = TermWin.saveLines - TermWin.nscrolled - 1;
2983 bound.row = TermWin.saveLines + TermWin.nrow;
2984 bound.col = TermWin.ncol - 1;
2988 row = mark->row + TermWin.saveLines;
2991 /* find the edge of a word */
2992 stp = & (screen.text[row][col]);
2993 w1 = DELIMIT_TEXT (*stp);
2995 srp = (&screen.rend[row][col]);
2996 w2 = DELIMIT_REND (*srp);
3000 for (; col != bound.col; col += dirnadd)
3008 if (DELIMIT_TEXT (*stp) != w1)
3010 if (DELIMIT_REND (*srp) != w2)
3014 if ((col == bound.col) && (row != bound.row))
3016 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1)
3018 trow = row + dirnadd;
3019 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
3021 if (screen.text[trow] == NULL)
3024 stp = & (screen.text[trow][tcol]);
3025 srp = & (screen.rend[trow][tcol]);
3027 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3038 Old_Word_Selection_You_Die:
3039 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));
3042 col++; /* put us on one past the end */
3044 /* Poke the values back in */
3045 ret->row = row - TermWin.saveLines;
3049 /* ------------------------------------------------------------------------- */
3051 * Extend the selection to the specified x/y pixel location
3052 * EXT: button 3 press; button 1 or 3 drag
3053 * flag == 0 ==> button 1
3054 * flag == 1 ==> button 3 press
3055 * flag == 2 ==> button 3 motion
3058 rxvt_term::selection_extend (int x, int y, int flag)
3062 col = Pixel2Col (x);
3063 row = Pixel2Row (y);
3065 MIN_IT (row, (int)TermWin.nrow - 1);
3067 MIN_IT (col, (int)TermWin.ncol);
3070 * If we're selecting characters (single click) then we must check first
3071 * if we are at the same place as the original mark. If we are then
3072 * select nothing. Otherwise, if we're to the right of the mark, you have to
3073 * be _past_ a character for it to be selected.
3075 if (((selection.clicks % 3) == 1) && !flag
3076 && (col == selection.mark.col
3077 && (row == selection.mark.row + TermWin.view_start)))
3079 /* select nothing */
3080 selection.beg.row = selection.end.row = 0;
3081 selection.beg.col = selection.end.col = 0;
3082 selection.clicks = 4;
3084 D_SELECT ((stderr, "rxvt_selection_extend () selection.clicks = 4"));
3088 if (selection.clicks == 4)
3089 selection.clicks = 1;
3091 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3092 flag == 1 ? 1 : 0, /* ? button press */
3093 0); /* no click change */
3096 /* ------------------------------------------------------------------------- */
3098 * Extend the selection to the specified col/row
3101 rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)
3103 int16_t ncol = TermWin.ncol;
3110 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));
3111 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));
3114 switch (selection.op)
3116 case SELECTION_INIT:
3118 selection.op = SELECTION_BEGIN;
3120 case SELECTION_BEGIN:
3121 if (row != selection.mark.row || col != selection.mark.col
3122 || (!button3 && buttonpress))
3123 selection.op = SELECTION_CONT;
3125 case SELECTION_DONE:
3126 selection.op = SELECTION_CONT;
3128 case SELECTION_CONT:
3130 case SELECTION_CLEAR:
3131 selection_start_colrow (col, row);
3136 if (selection.beg.col == selection.end.col
3137 && selection.beg.col != selection.mark.col
3138 && selection.beg.row == selection.end.row
3139 && selection.beg.row != selection.mark.row)
3141 selection.beg.col = selection.end.col = selection.mark.col;
3142 selection.beg.row = selection.end.row = selection.mark.row;
3143 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));
3149 pos.row -= TermWin.view_start; /* adjust for scroll */
3152 * This is mainly xterm style selection with a couple of differences, mainly
3153 * in the way button3 drag extension works.
3154 * We're either doing: button1 drag; button3 press; or button3 drag
3155 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3156 * is always at the left/right edge of the selection.
3157 * b) button3 press: extend/contract character/word/line at whichever edge of
3158 * the selection we are closest to.
3159 * c) button3 drag : extend/contract character/word/line - we select around
3160 * a point/word/line which is either the start or end of the selection
3161 * and it was decided by whichever point/word/line was `fixed' at the
3162 * time of the most recent button3 press
3164 if (button3 && buttonpress)
3165 { /* button3 press */
3167 * first determine which edge of the selection we are closest to
3169 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3170 || (!ROWCOL_IS_AFTER (pos, selection.end)
3171 && (((pos.col - selection.beg.col)
3172 + ((pos.row - selection.beg.row) * ncol))
3173 < ((selection.end.col - pos.col)
3174 + ((selection.end.row - pos.row) * ncol)))))
3177 if (closeto == LEFT)
3179 selection.beg.row = pos.row;
3180 selection.beg.col = pos.col;
3181 selection.mark.row = selection.end.row;
3182 selection.mark.col = selection.end.col - (selection.clicks == 2);
3186 selection.end.row = pos.row;
3187 selection.end.col = pos.col;
3188 selection.mark.row = selection.beg.row;
3189 selection.mark.col = selection.beg.col;
3193 { /* button1 drag or button3 drag */
3194 if (ROWCOL_IS_AFTER (selection.mark, pos))
3196 if ((selection.mark.row == selection.end.row)
3197 && (selection.mark.col == selection.end.col)
3198 && clickchange && selection.clicks == 2)
3199 selection.mark.col--;
3201 selection.beg.row = pos.row;
3202 selection.beg.col = pos.col;
3203 selection.end.row = selection.mark.row;
3204 selection.end.col = selection.mark.col + (selection.clicks == 2);
3208 selection.beg.row = selection.mark.row;
3209 selection.beg.col = selection.mark.col;
3210 selection.end.row = pos.row;
3211 selection.end.col = pos.col;
3215 if (selection.clicks == 1)
3217 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3219 if (end_col != -1 && selection.beg.col > end_col)
3222 selection.beg.col = ncol;
3224 if (selection.beg.row != selection.end.row)
3225 selection.beg.col = ncol;
3227 selection.beg.col = selection.mark.col;
3231 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3233 if (end_col != -1 && selection.end.col > end_col)
3234 selection.end.col = ncol;
3236 else if (selection.clicks == 2)
3238 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3239 selection.end.col--;
3241 selection_delimit_word (UP, & (selection.beg), & (selection.beg));
3242 selection_delimit_word (DN, & (selection.end), & (selection.end));
3244 else if (selection.clicks == 3)
3247 if ((Options & Opt_tripleclickwords))
3251 selection_delimit_word (UP, & (selection.beg), & (selection.beg));
3252 end_row = screen.tlen[selection.mark.row + TermWin.saveLines];
3254 for (end_row = selection.mark.row; end_row < TermWin.nrow; end_row++)
3256 end_col = screen.tlen[end_row + TermWin.saveLines];
3260 selection.end.row = end_row;
3261 selection.end.col = end_col;
3262 selection_remove_trailing_spaces ();
3270 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3271 selection.mark.col++;
3272 selection.beg.col = 0;
3273 selection.end.col = ncol;
3277 if (button3 && buttonpress)
3278 { /* mark may need to be changed */
3279 if (closeto == LEFT)
3281 selection.mark.row = selection.end.row;
3282 selection.mark.col = selection.end.col
3283 - (selection.clicks == 2);
3287 selection.mark.row = selection.beg.row;
3288 selection.mark.col = selection.beg.col;
3291 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));
3296 rxvt_term::selection_remove_trailing_spaces ()
3298 int32_t end_col, end_row;
3301 end_col = selection.end.col;
3302 end_row = selection.end.row;
3303 for ( ; end_row >= selection.beg.row; )
3305 stp = screen.text[end_row + TermWin.saveLines];
3306 while (--end_col >= 0)
3308 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3312 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1)
3314 selection.end.col = end_col + 1;
3315 selection.end.row = end_row;
3319 end_col = TermWin.ncol;
3321 if (selection.mark.row > selection.end.row)
3323 selection.mark.row = selection.end.row;
3324 selection.mark.col = selection.end.col;
3326 else if (selection.mark.row == selection.end.row
3327 && selection.mark.col > selection.end.col)
3328 selection.mark.col = selection.end.col;
3332 /* ------------------------------------------------------------------------- */
3334 * Double click on button 3 when already selected
3335 * EXT: button 3 double click
3338 rxvt_term::selection_rotate (int x, int y)
3340 selection.clicks = selection.clicks % 3 + 1;
3341 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3344 /* ------------------------------------------------------------------------- */
3346 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3347 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3350 typedef CARD32 Atom32;
3352 /* ------------------------------------------------------------------------- */
3354 * Respond to a request for our current selection
3355 * EXT: SelectionRequest
3358 rxvt_term::selection_send (const XSelectionRequestEvent &rq)
3362 XICCEncodingStyle style;
3365 ev.type = SelectionNotify;
3367 ev.display = rq.display;
3368 ev.requestor = rq.requestor;
3369 ev.selection = rq.selection;
3370 ev.target = rq.target;
3373 if (rq.target == xa[XA_TARGETS])
3375 Atom32 target_list[6];
3376 Atom32 *target = target_list;
3378 *target++ = (Atom32) xa[XA_TARGETS];
3379 *target++ = (Atom32) xa[XA_TIMESTAMP];
3380 *target++ = (Atom32) XA_STRING;
3381 *target++ = (Atom32) xa[XA_TEXT];
3382 *target++ = (Atom32) xa[XA_COMPOUND_TEXT];
3383 #if X_HAVE_UTF8_STRING
3384 *target++ = (Atom32) xa[XA_UTF8_STRING];
3387 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM,
3388 (8 * sizeof (target_list[0])), PropModeReplace,
3389 (unsigned char *)target_list,
3390 target - target_list);
3391 ev.property = rq.property;
3393 else if (rq.target == xa[XA_MULTIPLE])
3395 /* TODO: Handle MULTIPLE */
3397 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3399 XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER,
3400 (8 * sizeof (Time)), PropModeReplace,
3401 (unsigned char *)&selection_time, 1);
3402 ev.property = rq.property;
3404 else if (rq.target == XA_STRING
3405 || rq.target == xa[XA_TEXT]
3406 || rq.target == xa[XA_COMPOUND_TEXT]
3407 || rq.target == xa[XA_UTF8_STRING]
3416 if (target == XA_STRING)
3417 // we actually don't do XA_STRING, but who cares, as i18n clients
3418 // will ask for another format anyways.
3419 style = XStringStyle;
3420 else if (target == xa[XA_TEXT])
3421 style = XStdICCTextStyle;
3422 else if (target == xa[XA_COMPOUND_TEXT])
3423 style = XCompoundTextStyle;
3424 #if X_HAVE_UTF8_STRING
3425 else if (target == xa[XA_UTF8_STRING])
3426 style = XUTF8StringStyle;
3430 target = xa[XA_COMPOUND_TEXT];
3431 style = XCompoundTextStyle;
3436 cl = selection.text;
3437 selectlen = selection.len;
3445 // Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it
3446 // manually for XUTF8StringStyle.
3447 if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0)
3451 /* if we failed to convert then send it raw */
3452 ct.value = (unsigned char *)cl;
3453 ct.nitems = selectlen;
3456 XChangeProperty (display->display, rq.requestor, rq.property,
3457 target, 8, PropModeReplace,
3458 ct.value, (int)ct.nitems);
3459 ev.property = rq.property;
3465 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev);
3468 /* ------------------------------------------------------------------------- *
3470 * ------------------------------------------------------------------------- */
3473 * return col/row values corresponding to x/y pixel values
3476 rxvt_term::pixel_position (int *x, int *y)
3478 *x = Pixel2Col (*x);
3479 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3480 *y = Pixel2Row (*y);
3481 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3484 /* ------------------------------------------------------------------------- */
3487 rxvt_term::im_set_position (XPoint *pos)
3489 XWindowAttributes xwa;
3491 XGetWindowAttributes (display->display, TermWin.vt, &xwa);
3492 pos->x = Col2Pixel (screen.cur.col) + xwa.x;
3493 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace;
3497 /* ------------------------------------------------------------------------- */