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 */
28 #include "rxvt.h" /* NECESSARY */
30 #include <X11/Xmd.h> /* get the typedef for CARD32 */
35 #include "salloc.C" // HACK, should be a seperate compile!
37 inline void fill_text (text_t *start, text_t value, int len)
43 /* ------------------------------------------------------------------------- */
44 #define PROP_SIZE 256*1024
45 #define PASTE_SIZE 32768
46 #define TABSIZE 8 /* default tab size */
48 /* ------------------------------------------------------------------------- *
49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
50 * ------------------------------------------------------------------------- */
51 #define ZERO_SCROLLBACK() \
52 if (options & Opt_scrollTtyOutput) \
53 TermWin.view_start = 0
54 #define CLEAR_SELECTION() \
55 selection.beg.row = selection.beg.col \
56 = selection.end.row = selection.end.col = 0
57 #define CLEAR_ALL_SELECTION() \
58 selection.beg.row = selection.beg.col \
59 = selection.mark.row = selection.mark.col \
60 = selection.end.row = selection.end.col = 0
62 #define ROW_AND_COL_IS_AFTER(A, B, C, D) \
63 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
64 #define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
65 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
66 #define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
67 (((A) == (C)) && ((B) > (D)))
68 #define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
69 (((A) == (C)) && ((B) >= (D)))
70 #define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
71 (((A) == (C)) && ((B) < (D)))
72 #define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
73 (((A) == (C)) && ((B) <= (D)))
75 /* these must be row_col_t */
76 #define ROWCOL_IS_AFTER(X, Y) \
77 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
78 #define ROWCOL_IS_BEFORE(X, Y) \
79 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
80 #define ROWCOL_IN_ROW_AFTER(X, Y) \
81 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
82 #define ROWCOL_IN_ROW_BEFORE(X, Y) \
83 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
84 #define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
85 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
86 #define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
87 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
90 * CLEAR_ROWS : clear <num> rows starting from row <row>
91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
92 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
94 #define drawBuffer TermWin.vt
96 #define CLEAR_ROWS(row, num) \
98 XClearArea (display->display, drawBuffer, 0, \
99 Row2Pixel (row), (unsigned int)TermWin.width, \
100 (unsigned int)Height2Pixel (num), False)
102 #define CLEAR_CHARS(x, y, num) \
103 if (TermWin.mapped) \
104 XClearArea (display->display, drawBuffer, x, y, \
105 (unsigned int)Width2Pixel (num), \
106 (unsigned int)Height2Pixel (1), False)
108 #define ERASE_ROWS(row, num) \
109 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
110 0, Row2Pixel (row), \
111 (unsigned int)TermWin.width, \
112 (unsigned int)Height2Pixel (num))
114 /* ------------------------------------------------------------------------- *
115 * SCREEN `COMMON' ROUTINES *
116 * ------------------------------------------------------------------------- */
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, FONTSET (efs)->find_font (' '));
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;
164 TermWin.view_start = 0;
167 if (TermWin.ncol == 0)
170 if (TermWin.nrow == 0)
176 if (ncol == prev_ncol && nrow == prev_nrow)
179 // we need at least two lines for wrapping to work correctly
180 if (nrow + TermWin.saveLines < 2)
189 prev_total_rows = prev_nrow + TermWin.saveLines;
190 total_rows = nrow + TermWin.saveLines;
193 screen.bscroll = nrow - 1;
197 talloc = new rxvt_salloc (ncol * sizeof (text_t));
198 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204 * first time called so just malloc everything: don't rely on realloc
205 * Note: this is still needed so that all the scrollback lines are NULL
207 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
208 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
209 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
210 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
212 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
213 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
215 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
216 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
217 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
218 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
220 for (p = 0; p < nrow; p++)
222 q = p + TermWin.saveLines;
223 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
224 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
225 screen.tlen[q] = swap.tlen[p] = 0;
226 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
229 memset (charsets, 'B', sizeof (charsets));
230 TermWin.nscrolled = 0; /* no saved lines */
231 rstyle = DEFAULT_RSTYLE;
232 screen.flags = Screen_DefaultFlags;
233 screen.cur.row = screen.cur.col = 0;
235 current_screen = PRIMARY;
239 swap.flags = Screen_DefaultFlags;
240 swap.cur.row = swap.cur.col = 0;
242 current_screen = SECONDARY;
244 current_screen = PRIMARY;
247 selection.text = NULL;
249 selection.op = SELECTION_CLEAR;
250 selection.screen = PRIMARY;
251 selection.clicks = 0;
252 CLEAR_ALL_SELECTION ();
258 * add or delete rows as appropriate
260 setrstyle = DEFAULT_RSTYLE;
262 if (nrow < prev_nrow)
265 k = min (TermWin.nscrolled, prev_nrow - nrow);
266 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
268 for (p = nrow; p < prev_nrow; p++)
270 q = p + TermWin.saveLines;
275 assert (screen.rend[q]);
277 talloc->free (screen.text[q]);
278 ralloc->free (screen.rend[q]);
284 assert (swap.rend[p]);
286 talloc->free (swap.text[p]);
287 ralloc->free (swap.rend[p]);
291 assert (drawn_text[p] && drawn_rend[p]);
293 talloc->free (drawn_text[p]);
294 ralloc->free (drawn_rend[p]);
297 /* we have fewer rows so fix up cursor position */
298 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
299 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
301 scr_reset_realloc (); /* realloc _last_ */
303 else if (nrow > prev_nrow)
306 scr_reset_realloc (); /* realloc _first_ */
308 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
310 k = min (TermWin.nscrolled, nrow - prev_nrow);
312 for (p = prev_total_rows; p < total_rows; p++)
315 screen.text[p] = NULL;
316 screen.rend[p] = NULL;
319 for (p = prev_total_rows; p < total_rows - k; p++)
320 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
322 for (p = prev_nrow; p < nrow; p++)
327 drawn_text[p] = NULL;
328 drawn_rend[p] = NULL;
329 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
330 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
335 scr_scroll_text (0, (int)nrow - 1, -k, 1);
337 screen.s_cur.row += k;
338 TermWin.nscrolled -= k;
341 assert (screen.cur.row < TermWin.nrow);
342 assert (swap.cur.row < TermWin.nrow);
343 #else /* drive with your eyes closed */
345 MIN_IT (screen.cur.row, nrow - 1);
346 MIN_IT (swap.cur.row, nrow - 1);
348 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
352 if (ncol != prev_ncol)
354 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
355 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
357 for (p = 0; p < total_rows; p++)
361 screen.text[p] = (text_t *)ta->alloc (screen.text[p], prev_ncol * sizeof (text_t));
362 screen.rend[p] = (rend_t *)ra->alloc (screen.rend[p], prev_ncol * sizeof (rend_t));
364 MIN_IT (screen.tlen[p], (int16_t)ncol);
366 if (ncol > prev_ncol)
367 scr_blank_line (&screen.text[p][prev_ncol],
368 &screen.rend[p][prev_ncol],
369 ncol - prev_ncol, setrstyle);
373 for (p = 0; p < nrow; p++)
375 drawn_text[p] = (text_t *)ta->alloc (drawn_text[p], prev_ncol * sizeof (text_t));
376 drawn_rend[p] = (rend_t *)ra->alloc (drawn_rend[p], prev_ncol * sizeof (rend_t));
378 if (ncol > prev_ncol)
379 scr_blank_line (&drawn_text[p][prev_ncol],
380 &drawn_rend[p][prev_ncol],
381 ncol - prev_ncol, setrstyle);
385 swap.text[p] = (text_t *)ta->alloc (swap.text[p], prev_ncol * sizeof (text_t));
386 swap.rend[p] = (rend_t *)ra->alloc (swap.rend[p], prev_ncol * sizeof (rend_t));
388 MIN_IT (swap.tlen[p], (int16_t)ncol);
390 if (ncol > prev_ncol)
391 scr_blank_line (&swap.text[p][prev_ncol],
392 &swap.rend[p][prev_ncol],
393 ncol - prev_ncol, setrstyle);
398 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
399 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
401 delete talloc; talloc = ta;
402 delete ralloc; ralloc = ra;
412 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
414 for (p = 0; p < ncol; p++)
415 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
421 rxvt_term::scr_reset_realloc ()
423 unsigned int total_rows, nrow;
426 total_rows = nrow + TermWin.saveLines;
428 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
429 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
430 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
431 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
433 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
434 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
436 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
437 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
438 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
439 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
443 /* ------------------------------------------------------------------------- */
445 * Free everything. That way malloc debugging can find leakage.
448 rxvt_term::scr_release ()
450 unsigned int total_rows;
453 total_rows = TermWin.nrow + TermWin.saveLines;
455 delete talloc; talloc = 0;
456 delete ralloc; ralloc = 0;
470 /* NULL these so if anything tries to use them, we'll know about it */
471 screen.text = drawn_text = swap.text = NULL;
472 screen.rend = drawn_rend = swap.rend = NULL;
473 screen.tlen = swap.tlen = NULL;
479 /* ------------------------------------------------------------------------- */
484 rxvt_term::scr_poweron ()
487 prev_nrow = prev_ncol = 0;
491 scr_refresh (SLOW_REFRESH);
494 /* ------------------------------------------------------------------------- *
495 * PROCESS SCREEN COMMANDS *
496 * ------------------------------------------------------------------------- */
498 * Save and Restore cursor
499 * XTERM_SEQ: Save cursor : ESC 7
500 * XTERM_SEQ: Restore cursor: ESC 8
503 rxvt_term::scr_cursor (int mode)
507 #if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
508 if (current_screen == SECONDARY)
517 s->s_cur.row = screen.cur.row;
518 s->s_cur.col = screen.cur.col;
519 s->s_rstyle = rstyle;
520 s->s_charset = screen.charset;
521 s->s_charset_char = charsets[screen.charset];
526 screen.cur.row = s->s_cur.row;
527 screen.cur.col = s->s_cur.col;
528 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle;
530 screen.charset = s->s_charset;
531 charsets[screen.charset] = s->s_charset_char;
536 /* boundary check in case screen size changed between SAVE and RESTORE */
537 MIN_IT (s->cur.row, TermWin.nrow - 1);
538 MIN_IT (s->cur.col, TermWin.ncol - 1);
540 assert (s->cur.row >= 0);
541 assert (s->cur.col >= 0);
542 #else /* drive with your eyes closed */
543 MAX_IT (s->cur.row, 0);
544 MAX_IT (s->cur.col, 0);
548 /* ------------------------------------------------------------------------- */
550 * Swap between primary and secondary screens
551 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
552 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
555 rxvt_term::scr_change_screen (int scrn)
564 TermWin.view_start = 0;
566 if (current_screen == scrn)
569 selection_check (2); /* check for boundary cross */
571 SWAP_IT (current_screen, scrn, int);
573 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
574 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
576 assert (screen.cur.row >= 0 && screen.cur.row < prev_nrow);
577 assert (screen.cur.col >= 0 && screen.cur.col < prev_ncol);
578 # else /* drive with your eyes closed */
579 MAX_IT (screen.cur.row, 0);
580 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
581 MAX_IT (screen.cur.col, 0);
582 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
586 if (options & Opt_secondaryScreen)
589 offset = TermWin.saveLines;
591 for (i = prev_nrow; i--;)
593 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *);
594 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t);
595 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
598 SWAP_IT (screen.charset, swap.charset, int16_t);
599 SWAP_IT (screen.flags, swap.flags, int);
600 screen.flags |= Screen_VisibleCursor;
601 swap.flags |= Screen_VisibleCursor;
605 if (options & Opt_secondaryScroll)
606 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0);
611 // clear WrapNext indicator, solidifying position on next line
613 rxvt_term::scr_do_wrap ()
615 if (!(screen.flags & Screen_WrapNext))
618 screen.flags &= ~Screen_WrapNext;
622 if (screen.cur.row == screen.bscroll)
623 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
624 else if (screen.cur.row < TermWin.nrow - 1)
628 /* ------------------------------------------------------------------------- */
630 * Change the colour for following text
633 rxvt_term::scr_color (unsigned int color, int fgbg)
635 if (color > maxTermCOLOR)
638 if (fgbg == Color_fg)
639 rstyle = SET_FGCOLOR (rstyle, color);
641 rstyle = SET_BGCOLOR (rstyle, color);
644 /* ------------------------------------------------------------------------- */
646 * Change the rendition style for following text
649 rxvt_term::scr_rendition (int set, int style)
653 else if (style == ~RS_None)
654 rstyle = DEFAULT_RSTYLE;
659 /* ------------------------------------------------------------------------- */
661 * Scroll text between <row1> and <row2> inclusive, by <count> lines
662 * count positive ==> scroll up
663 * count negative ==> scroll down
664 * spec == 0 for normal routines
667 rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec)
672 if (count == 0 || (row1 > row2))
677 if (row1 == 0 && count > 0
678 && (current_screen == PRIMARY || options & Opt_secondaryScroll))
680 nscrolled = (long)TermWin.nscrolled + (long)count;
682 if (nscrolled > (long)TermWin.saveLines)
683 TermWin.nscrolled = TermWin.saveLines;
685 TermWin.nscrolled = (unsigned int)nscrolled;
687 if ((options & Opt_scrollWithBuffer)
688 && TermWin.view_start != 0
689 && TermWin.view_start != TermWin.saveLines)
690 scr_page (UP, count);
693 row1 += TermWin.saveLines;
695 row2 += TermWin.saveLines;
697 if (selection.op && current_screen == selection.screen)
699 i = selection.beg.row + TermWin.saveLines;
700 j = selection.end.row + TermWin.saveLines;
701 if ((i < row1 && j > row1)
702 || (i < row2 && j > row2)
703 || (i - count < row1 && i >= row1)
704 || (i - count > row2 && i <= row2)
705 || (j - count < row1 && j >= row1)
706 || (j - count > row2 && j <= row2))
708 CLEAR_ALL_SELECTION ();
709 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
711 else if (j >= row1 && j <= row2)
713 /* move selected region too */
714 selection.beg.row -= count;
715 selection.end.row -= count;
716 selection.mark.row -= count;
720 selection_check (0); /* _after_ TermWin.nscrolled update */
735 /* A1: Copy lines that will get clobbered by the rotation */
736 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
737 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
739 /* A2: Rotate lines */
740 i = row2 - row1 - count + 1;
741 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
742 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
743 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
745 j = row2 - count + 1, i = count;
747 else /* if (j < 0) */
751 /* B1: Copy lines that will get clobbered by the rotation */
752 for (i = 0, j = row2; i < count; i++, j--)
754 buf_text[i] = screen.text[j];
755 buf_rend[i] = screen.rend[j];
758 /* B2: Rotate lines */
759 for (j = row2, i = j - count; i >= row1; i--, j--)
761 screen.tlen[j] = screen.tlen[i];
762 screen.text[j] = screen.text[i];
763 screen.rend[j] = screen.rend[i];
770 /* C: Resurrect lines */
771 memset (screen.tlen + j, 0, i * sizeof (int16_t));
772 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
773 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
774 if (!spec) /* line length may not equal TermWin.ncol */
776 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle);
781 /* ------------------------------------------------------------------------- */
783 * Add text given in <str> of length <len> to screen struct
786 rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)
788 unsigned char checksel;
790 int i, row, last_col;
794 if (len <= 0) /* sanity */
799 last_col = TermWin.ncol;
803 nlines += screen.cur.row - screen.bscroll;
805 && (screen.tscroll == 0)
806 && (screen.bscroll == (TermWin.nrow - 1)))
808 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0);
810 screen.cur.row -= nlines;
815 assert (screen.cur.col < last_col);
816 assert ((screen.cur.row < TermWin.nrow)
817 && (screen.cur.row >= - (int32_t)TermWin.nscrolled));
818 #else /* drive with your eyes closed */
819 MIN_IT (screen.cur.col, last_col - 1);
820 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
821 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
823 row = screen.cur.row + TermWin.saveLines;
825 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
827 stp = screen.text[row];
828 srp = screen.rend[row];
842 if (screen.tlen[row] != -1) /* XXX: think about this */
843 MAX_IT (screen.tlen[row], screen.cur.col);
845 screen.flags &= ~Screen_WrapNext;
847 if (screen.cur.row == screen.bscroll)
848 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
849 else if (screen.cur.row < (TermWin.nrow - 1))
850 row = (++screen.cur.row) + TermWin.saveLines;
852 stp = screen.text[row]; /* _must_ refresh */
853 srp = screen.rend[row]; /* _must_ refresh */
857 if (screen.tlen[row] != -1) /* XXX: think about this */
858 MAX_IT (screen.tlen[row], screen.cur.col);
860 screen.flags &= ~Screen_WrapNext;
865 if (checksel /* see if we're writing within selection */
866 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
867 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
871 * If we wrote anywhere in the selected area, kill the selection
872 * XXX: should we kill the mark too? Possibly, but maybe that
873 * should be a similar check.
878 if (screen.flags & Screen_WrapNext)
880 screen.tlen[row] = -1;
882 scr_do_wrap (); row = screen.cur.row + TermWin.saveLines;
884 stp = screen.text[row]; /* _must_ refresh */
885 srp = screen.rend[row]; /* _must_ refresh */
888 // rely on wcwidth to tell us the character width, at least for non-latin1
889 // do wcwidth before further replacements, as wcwidth says that line-drawing
890 // characters have width -1 (DOH!) on GNU/Linux sometimes.
891 int width = c < 0x100 ? 1 : wcwidth (c);
893 if (charsets[screen.charset] == '0') // DEC SPECIAL
895 // vt100 special graphics and line drawing
896 // 5f-7e standard vt100
897 // 40-5e rxvt extension for extra curses acs chars
898 static uint16_t vt100_0[63] = { // 40 .. 7e
899 0x0000, 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 40-47 hi mr. snowman!
900 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 48-4f
901 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 50-57
902 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, // 58-5f
903 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
904 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
905 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
906 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
909 if (c >= 0x40 && c <= 0x7e && vt100_0[c - 0x40])
911 c = vt100_0[c - 0x40];
916 if (screen.flags & Screen_Insert)
917 scr_insdel_chars (width, INSERT);
921 // some utf-8 decoders decode surrogate characters.
922 if (0xd800 <= c && c <= 0xdfff)
926 // trim characters we can't store directly :(
928 # if ENABLE_COMBINING
929 c = rxvt_composite.compose (c); // map to lower 16 bits
935 // nuke the character at this position, if required
936 if (stp[screen.cur.col] == NOCHAR
937 || (screen.cur.col < TermWin.ncol - 1
938 && stp[screen.cur.col + 1] == NOCHAR))
940 int col = screen.cur.col;
943 while (col > 0 && stp[col] == NOCHAR)
946 rend_t rend = SET_FONT (srp[col], FONTSET (srp[col])->find_font (' '));
953 } while (col < TermWin.ncol && stp[col] == NOCHAR);
956 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
960 stp[screen.cur.col] = c;
961 srp[screen.cur.col] = rend;
963 if (screen.cur.col < last_col - 1)
967 screen.tlen[row] = last_col;
968 if (screen.flags & Screen_Autowrap)
969 screen.flags |= Screen_WrapNext;
977 // pad with spaces when overwriting wide character with smaller one
979 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++)
988 // handle combining characters
989 // we just tag the accent on the previous on-screen character.
990 // this is arguably not correct, but also arguably not wrong.
991 // we don't handle double-width characters nicely yet.
996 if (screen.cur.col > 0)
998 tp = stp + screen.cur.col - 1;
999 rp = srp + screen.cur.col - 1;
1001 while (*tp == NOCHAR && tp > stp)
1004 else if (screen.cur.row > 0
1005 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
1007 int line = screen.cur.row - 1 + TermWin.saveLines;
1009 tp = screen.text[line] + last_col - 1;
1010 rp = screen.rend[line] + last_col - 1;
1012 while (*tp == NOCHAR && tp > screen.text[line])
1018 // first try to find a precomposed character
1019 unicode_t n = rxvt_compose (*tp, c);
1021 n = rxvt_composite.compose (*tp, c);
1024 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1029 if (screen.tlen[row] != -1) /* XXX: think about this */
1030 MAX_IT (screen.tlen[row], screen.cur.col);
1033 assert (screen.cur.row >= 0);
1034 #else /* drive with your eyes closed */
1035 MAX_IT (screen.cur.row, 0);
1039 /* ------------------------------------------------------------------------- */
1041 * Process Backspace. Move back the cursor back a position, wrap if have to
1045 rxvt_term::scr_backspace ()
1049 if (screen.cur.col == 0)
1051 if (screen.cur.row > 0)
1053 #ifdef TERMCAP_HAS_BW
1054 screen.cur.col = TermWin.ncol - 1;
1060 else if (!(screen.flags & Screen_WrapNext))
1061 scr_gotorc (0, -1, RELATIVE);
1063 screen.flags &= ~Screen_WrapNext;
1066 /* ------------------------------------------------------------------------- */
1068 * Process Horizontal Tab
1069 * count: +ve = forward; -ve = backwards
1073 rxvt_term::scr_tab (int count, bool ht)
1078 i = x = screen.cur.col;
1084 int row = TermWin.saveLines + screen.cur.row;
1085 text_t *tp = screen.text[row];
1086 rend_t *rp = screen.rend[row];
1087 rend_t base_rend = rp[i];
1090 for (; ++i < TermWin.ncol; )
1099 && RS_SAME (rp[i], base_rend);
1102 x = TermWin.ncol - 1;
1104 // store horizontal tab commands as characters inside the text
1105 // buffer so they can be selected and pasted.
1106 if (ht && options & Opt_pastableTabs)
1108 base_rend = SET_FONT (base_rend, 0);
1110 if (screen.tlen[row] != -1) /* XXX: think about this */
1111 MAX_IT (screen.tlen[row], x);
1125 else /* if (count < 0) */
1139 if (x != screen.cur.col)
1140 scr_gotorc (0, x, R_RELATIVE);
1143 /* ------------------------------------------------------------------------- */
1145 * Process DEC Back Index
1147 * Move cursor left in row. If we're at the left boundary, shift everything
1148 * in that row right. Clear left column.
1152 rxvt_term::scr_backindex ()
1154 if (screen.cur.col > 0)
1155 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1158 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1159 return; /* um, yeah? */
1161 scr_insdel_chars (1, INSERT);
1165 /* ------------------------------------------------------------------------- */
1167 * Process DEC Forward Index
1169 * Move cursor right in row. If we're at the right boundary, shift everything
1170 * in that row left. Clear right column.
1174 rxvt_term::scr_forwardindex ()
1178 if (screen.cur.col < TermWin.ncol - 1)
1179 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1182 row = screen.cur.row + TermWin.saveLines;
1184 if (screen.tlen[row] == 0)
1185 return; /* um, yeah? */
1186 else if (screen.tlen[row] == -1)
1187 screen.tlen[row] = TermWin.ncol;
1189 scr_gotorc (0, 0, R_RELATIVE);
1190 scr_insdel_chars (1, DELETE);
1191 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE);
1196 /* ------------------------------------------------------------------------- */
1201 rxvt_term::scr_gotorc (int row, int col, int relative)
1206 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1207 MAX_IT (screen.cur.col, 0);
1208 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1210 screen.flags &= ~Screen_WrapNext;
1212 if (relative & R_RELATIVE)
1216 if (screen.cur.row <= screen.bscroll
1217 && (screen.cur.row + row) > screen.bscroll)
1218 screen.cur.row = screen.bscroll;
1220 screen.cur.row += row;
1224 if (screen.cur.row >= screen.tscroll
1225 && (screen.cur.row + row) < screen.tscroll)
1226 screen.cur.row = screen.tscroll;
1228 screen.cur.row += row;
1233 if (screen.flags & Screen_Relative)
1234 { /* relative origin mode */
1235 screen.cur.row = row + screen.tscroll;
1236 MIN_IT (screen.cur.row, screen.bscroll);
1239 screen.cur.row = row;
1242 MAX_IT (screen.cur.row, 0);
1243 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1246 /* ------------------------------------------------------------------------- */
1248 * direction should be UP or DN
1251 rxvt_term::scr_index (enum page_dirn direction)
1258 dirn = ((direction == UP) ? 1 : -1);
1260 screen.flags &= ~Screen_WrapNext;
1262 if ((screen.cur.row == screen.bscroll && direction == UP)
1263 || (screen.cur.row == screen.tscroll && direction == DN))
1264 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0);
1266 screen.cur.row += dirn;
1268 MAX_IT (screen.cur.row, 0);
1269 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1270 selection_check (0);
1273 /* ------------------------------------------------------------------------- */
1275 * Erase part or whole of a line
1276 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1277 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1278 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1281 rxvt_term::scr_erase_line (int mode)
1283 unsigned int row, col, num;
1288 selection_check (1);
1290 row = TermWin.saveLines + screen.cur.row;
1293 case 0: /* erase to end of line */
1294 col = screen.cur.col;
1295 num = TermWin.ncol - col;
1296 MIN_IT (screen.tlen[row], (int16_t)col);
1297 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1298 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1301 case 1: /* erase to beginning of line */
1303 num = screen.cur.col + 1;
1304 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1305 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1308 case 2: /* erase whole line */
1311 screen.tlen[row] = 0;
1312 if (selection.beg.row <= screen.cur.row
1313 && selection.end.row >= screen.cur.row)
1320 if (screen.text[row])
1321 scr_blank_line (&screen.text[row][col], &screen.rend[row][col], num, rstyle);
1323 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1326 /* ------------------------------------------------------------------------- */
1328 * Erase part of whole of the screen
1329 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1330 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1331 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1334 rxvt_term::scr_erase_screen (int mode)
1337 int32_t row, row_offset;
1344 row_offset = (int32_t)TermWin.saveLines;
1348 case 0: /* erase to end of screen */
1349 selection_check (1);
1351 row = screen.cur.row + 1; /* possible OOB */
1352 num = TermWin.nrow - row;
1354 case 1: /* erase to beginning of screen */
1355 selection_check (3);
1358 num = screen.cur.row;
1360 case 2: /* erase whole screen */
1361 selection_check (3);
1369 if (selection.op && current_screen == selection.screen
1370 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1371 || (selection.end.row >= row
1372 && selection.end.row <= row + num)))
1375 if (row >= TermWin.nrow) /* Out Of Bounds */
1378 MIN_IT (num, (TermWin.nrow - row));
1380 if (rstyle & (RS_RVid | RS_Uline))
1381 ren = (rend_t) ~RS_None;
1382 else if (GET_BASEBG (rstyle) == Color_bg)
1384 ren = DEFAULT_RSTYLE;
1385 CLEAR_ROWS (row, num);
1389 ren = rstyle & (RS_fgMask | RS_bgMask);
1390 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)];
1391 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1392 ERASE_ROWS (row, num);
1393 gcvalue.foreground = pix_colors[Color_fg];
1394 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1397 for (; num--; row++)
1399 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int) (row + row_offset), rstyle);
1400 screen.tlen[row + row_offset] = 0;
1401 scr_blank_line (drawn_text[row], drawn_rend[row], (unsigned int)TermWin.ncol, ren);
1405 /* ------------------------------------------------------------------------- */
1407 * Fill the screen with `E's
1408 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1420 selection_check (3);
1422 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1423 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++)
1425 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */
1426 fill_text (screen.text[k], 'E', TermWin.ncol);
1427 for (r1 = screen.rend[k], j = TermWin.ncol; j--; )
1432 /* ------------------------------------------------------------------------- */
1434 * Insert/Delete <count> lines
1437 rxvt_term::scr_insdel_lines (int count, int insdel)
1443 selection_check (1);
1445 if (screen.cur.row > screen.bscroll)
1448 end = screen.bscroll - screen.cur.row + 1;
1451 if (insdel == DELETE)
1453 else if (insdel == INSERT)
1459 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0);
1462 /* ------------------------------------------------------------------------- */
1464 * Insert/Delete <count> characters from the current position
1467 rxvt_term::scr_insdel_chars (int count, int insdel)
1483 selection_check (1);
1484 MIN_IT (count, (TermWin.ncol - screen.cur.col));
1486 row = screen.cur.row + TermWin.saveLines;
1488 stp = screen.text[row];
1489 srp = screen.rend[row];
1490 slp = &screen.tlen[row];
1495 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; col--)
1497 stp[col] = stp[col - count];
1498 srp[col] = srp[col - count];
1504 MIN_IT (*slp, TermWin.ncol);
1507 if (selection.op && current_screen == selection.screen
1508 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1510 if (selection.end.row != screen.cur.row
1511 || (selection.end.col + count >= TermWin.ncol))
1514 { /* shift selection */
1515 selection.beg.col += count;
1516 selection.mark.col += count; /* XXX: yes? */
1517 selection.end.col += count;
1521 scr_blank_line (&stp[screen.cur.col], &srp[screen.cur.col],
1522 (unsigned int)count, rstyle);
1526 screen.cur.col += count; /* don't worry if > TermWin.ncol */
1527 selection_check (1);
1528 screen.cur.col -= count;
1529 scr_blank_line (&stp[screen.cur.col], &srp[screen.cur.col],
1530 (unsigned int)count, rstyle);
1534 tr = srp[TermWin.ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1536 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++)
1538 stp[col] = stp[col + count];
1539 srp[col] = srp[col + count];
1542 scr_blank_line (&stp[TermWin.ncol - count], &srp[TermWin.ncol - count],
1543 (unsigned int)count, tr);
1545 if (*slp == -1) /* break line continuation */
1546 *slp = TermWin.ncol;
1551 if (selection.op && current_screen == selection.screen
1552 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1554 if (selection.end.row != screen.cur.row
1555 || (screen.cur.col >= selection.beg.col - count)
1556 || selection.end.col >= TermWin.ncol)
1560 /* shift selection */
1561 selection.beg.col -= count;
1562 selection.mark.col -= count; /* XXX: yes? */
1563 selection.end.col -= count;
1571 /* ------------------------------------------------------------------------- */
1573 * Set the scrolling region
1574 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1577 rxvt_term::scr_scroll_region (int top, int bot)
1580 MIN_IT (bot, (int)TermWin.nrow - 1);
1585 screen.tscroll = top;
1586 screen.bscroll = bot;
1587 scr_gotorc (0, 0, 0);
1590 /* ------------------------------------------------------------------------- */
1592 * Make the cursor visible/invisible
1593 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1594 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1597 rxvt_term::scr_cursor_visible (int mode)
1602 screen.flags |= Screen_VisibleCursor;
1604 screen.flags &= ~Screen_VisibleCursor;
1607 /* ------------------------------------------------------------------------- */
1609 * Set/unset automatic wrapping
1610 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1611 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1614 rxvt_term::scr_autowrap (int mode)
1617 screen.flags |= Screen_Autowrap;
1619 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1622 /* ------------------------------------------------------------------------- */
1624 * Set/unset margin origin mode
1625 * Absolute mode: line numbers are counted relative to top margin of screen
1626 * and the cursor can be moved outside the scrolling region.
1627 * Relative mode: line numbers are relative to top margin of scrolling region
1628 * and the cursor cannot be moved outside.
1629 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1630 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1633 rxvt_term::scr_relative_origin (int mode)
1636 screen.flags |= Screen_Relative;
1638 screen.flags &= ~Screen_Relative;
1640 scr_gotorc (0, 0, 0);
1643 /* ------------------------------------------------------------------------- */
1645 * Set insert/replace mode
1646 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1647 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1650 rxvt_term::scr_insert_mode (int mode)
1653 screen.flags |= Screen_Insert;
1655 screen.flags &= ~Screen_Insert;
1658 /* ------------------------------------------------------------------------- */
1661 * XTERM_SEQ: Set tab at current column : ESC H
1662 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1663 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1666 rxvt_term::scr_set_tab (int mode)
1669 memset (tabs, 0, TermWin.ncol * sizeof (char));
1670 else if (screen.cur.col < TermWin.ncol)
1671 tabs[screen.cur.col] = (mode ? 1 : 0);
1674 /* ------------------------------------------------------------------------- */
1676 * Set reverse/normal video
1677 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1678 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1681 rxvt_term::scr_rvideo_mode (int mode)
1688 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color);
1690 if (bgPixmap.pixmap == None)
1693 if (! (options & Opt_transparent) || am_transparent == 0)
1695 XSetWindowBackground (display->display, TermWin.vt,
1696 pix_colors[Color_bg]);
1698 gcvalue.foreground = pix_colors[Color_fg];
1699 gcvalue.background = pix_colors[Color_bg];
1700 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground,
1707 /* ------------------------------------------------------------------------- */
1709 * Report current cursor position
1710 * XTERM_SEQ: Report position: ESC [ 6 n
1713 rxvt_term::scr_report_position ()
1715 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1718 /* ------------------------------------------------------------------------- *
1720 * ------------------------------------------------------------------------- */
1726 rxvt_term::set_font_style ()
1728 switch (charsets[screen.charset])
1730 case '0': /* DEC Special Character & Line Drawing Set */
1732 case 'A': /* United Kingdom (UK) */
1734 case 'B': /* United States (USASCII) */
1736 case '<': /* Multinational character set */
1738 case '5': /* Finnish character set */
1740 case 'C': /* Finnish character set */
1742 case 'K': /* German character set */
1747 /* ------------------------------------------------------------------------- */
1750 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1751 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1752 * XTERM_SEQ: Invoke G2 character set: ESC N
1753 * XTERM_SEQ: Invoke G3 character set: ESC O
1756 rxvt_term::scr_charset_choose (int set)
1758 screen.charset = set;
1762 /* ------------------------------------------------------------------------- */
1765 * XTERM_SEQ: Set G0 character set: ESC ( <C>
1766 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1767 * XTERM_SEQ: Set G2 character set: ESC * <C>
1768 * XTERM_SEQ: Set G3 character set: ESC + <C>
1769 * See set_font_style for possible values for <C>
1772 rxvt_term::scr_charset_set (int set, unsigned int ch)
1774 charsets[set] = (unsigned char)ch;
1779 /* ------------------------------------------------------------------------- *
1780 * MAJOR SCREEN MANIPULATION *
1781 * ------------------------------------------------------------------------- */
1784 * refresh matching text.
1787 rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)
1791 for (int i = 0; i < TermWin.nrow; i++)
1794 rend_t *drp = drawn_rend [i];
1796 for (; col < TermWin.ncol; col++, drp++)
1797 if ((*drp & mask) == value)
1817 rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh)
1820 row_col_t rc[RC_COUNT];
1822 if (drawn_text == NULL) /* sanity check */
1825 #ifndef NO_SLOW_LINK_SUPPORT
1826 if (refresh_type == FAST_REFRESH && !display->is_local)
1829 height = TermWin.height;
1835 x = min (x, (int)TermWin.width);
1837 y = min (y, (int)TermWin.height);
1841 rc[PART_BEG].col = Pixel2Col (x);
1842 rc[PART_BEG].row = Pixel2Row (y);
1844 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1);
1845 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1);
1848 for (i = PART_BEG; i < RC_COUNT; i++)
1850 MIN_IT (rc[i].col, TermWin.ncol - 1);
1851 MIN_IT (rc[i].row, TermWin.nrow - 1);
1854 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1855 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1858 scr_refresh (SLOW_REFRESH);
1861 /* ------------------------------------------------------------------------- */
1863 * Refresh the entire screen
1866 rxvt_term::scr_touch (bool refresh)
1868 scr_expose (0, 0, TermWin.width, TermWin.height, refresh);
1871 /* ------------------------------------------------------------------------- */
1873 * Move the display so that the line represented by scrollbar value Y is at
1874 * the top of the screen
1877 rxvt_term::scr_move_to (int y, int len)
1880 unsigned int oldviewstart;
1882 oldviewstart = TermWin.view_start;
1886 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1887 p -= (long) (TermWin.nrow - 1);
1891 TermWin.view_start = (unsigned int)min (p, TermWin.nscrolled);
1893 return scr_changeview (oldviewstart);
1896 /* ------------------------------------------------------------------------- */
1898 * Page the screen up/down nlines
1899 * direction should be UP or DN
1902 rxvt_term::scr_page (enum page_dirn direction, int nlines)
1905 unsigned int oldviewstart;
1908 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1910 oldviewstart = TermWin.view_start;
1911 if (direction == UP)
1913 n = TermWin.view_start + nlines;
1914 TermWin.view_start = min (n, TermWin.nscrolled);
1918 n = TermWin.view_start - nlines;
1919 TermWin.view_start = max (n, 0);
1921 return scr_changeview (oldviewstart);
1925 rxvt_term::scr_changeview (unsigned int oldviewstart)
1927 if (TermWin.view_start != oldviewstart)
1930 num_scr -= (TermWin.view_start - oldviewstart);
1933 return (int) (TermWin.view_start - oldviewstart);
1936 /* ------------------------------------------------------------------------- */
1938 rxvt_term::scr_bell ()
1941 # ifndef NO_MAPALERT
1942 # ifdef MAPALERT_OPTION
1943 if (options & Opt_mapAlert)
1945 XMapWindow (display->display, TermWin.parent[0]);
1947 if (options & Opt_visualBell)
1949 scr_rvideo_mode (!rvideo); /* refresh also done */
1950 scr_rvideo_mode (!rvideo); /* refresh also done */
1953 XBell (display->display, 0);
1957 /* ------------------------------------------------------------------------- */
1960 rxvt_term::scr_printscreen (int fullhist)
1963 int i, r1, nrows, row_offset;
1966 if ((fd = popen_printer ()) == NULL)
1969 nrows = TermWin.nrow;
1970 row_offset = TermWin.saveLines;
1973 row_offset -= TermWin.view_start;
1976 nrows += TermWin.nscrolled;
1977 row_offset -= TermWin.nscrolled;
1982 for (r1 = 0; r1 < nrows; r1++)
1984 text_t *tp = screen.text[r1 + row_offset];
1985 int len = screen.tlen[r1 + row_offset];
1987 for (i = len >= 0 ? len : TermWin.ncol - 1; i--; )
1989 char mb[MB_LEN_MAX];
1994 len = wctomb (mb, t);
2002 fwrite (mb, 1, len, fd);
2008 pclose_printer (fd);
2012 /* ------------------------------------------------------------------------- */
2014 * Refresh the screen
2015 * drawn_text/drawn_rend contain the screen information before the update.
2016 * screen.text/screen.rend contain what the screen will change to.
2019 #define FONT_WIDTH(X, Y) \
2020 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
2021 #define FONT_RBEAR(X, Y) \
2022 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
2023 #define FONT_LBEAR(X, Y) \
2024 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
2025 #define IS_FONT_CHAR(X, Y) \
2026 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
2029 rxvt_term::scr_refresh (unsigned char refresh_type)
2031 unsigned char must_clear, /* use draw_string not draw_image_string */
2032 showcursor; /* show the cursor */
2033 int16_t col, row, /* column/row we're processing */
2034 ocrow; /* old cursor row */
2036 row_offset; /* basic offset in screen structure */
2037 #ifndef NO_CURSORCOLOR
2038 rend_t cc1; /* store colours at cursor position (s) */
2040 rend_t *crp; // cursor rendition pointer
2042 want_refresh = 0; /* screen is current */
2044 if (refresh_type == NO_REFRESH || !TermWin.mapped)
2053 row_offset = TermWin.saveLines - TermWin.view_start;
2056 must_clear |= (bgPixmap.pixmap != None);
2059 must_clear |= ((options & Opt_transparent) && am_transparent);
2061 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2064 * B: reverse any characters which are selected
2066 scr_reverse_selection ();
2069 * C: set the cursor character (s)
2072 unsigned char setoldcursor;
2073 rend_t ccol1, /* Cursor colour */
2074 ccol2; /* Cursor colour2 */
2076 showcursor = (screen.flags & Screen_VisibleCursor);
2084 int col = screen.cur.col;
2086 while (col && screen.text[screen.cur.row + TermWin.saveLines][col] == NOCHAR)
2089 crp = &screen.rend[screen.cur.row + TermWin.saveLines][col];
2091 if (showcursor && TermWin.focus)
2094 #ifndef NO_CURSORCOLOR
2095 cc1 = *crp & (RS_fgMask | RS_bgMask);
2096 if (ISSET_PIXCOLOR (Color_cursor))
2097 ccol1 = Color_cursor;
2099 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2100 ccol1 = GET_FGCOLOR (rstyle);
2104 if (ISSET_PIXCOLOR (Color_cursor2))
2105 ccol2 = Color_cursor2;
2107 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2108 ccol2 = GET_BGCOLOR (rstyle);
2112 *crp = SET_FGCOLOR (*crp, ccol1);
2113 *crp = SET_BGCOLOR (*crp, ccol2);
2118 /* make sure no outline cursor is left around */
2122 if (screen.cur.row + TermWin.view_start != ocrow
2123 || screen.cur.col != oldcursor.col)
2125 if (ocrow < TermWin.nrow
2126 && oldcursor.col < TermWin.ncol)
2127 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2129 if (TermWin.focus || !showcursor)
2135 else if (!TermWin.focus)
2140 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2144 oldcursor.row = screen.cur.row + TermWin.view_start;
2145 oldcursor.col = screen.cur.col;
2151 scr_swap_overlay ();
2154 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
2155 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
2157 #ifndef NO_SLOW_LINK_SUPPORT
2159 * D: CopyArea pass - very useful for slower links
2160 * This has been deliberately kept simple.
2163 if (!display->is_local
2164 && refresh_type == FAST_REFRESH && num_scr_allow && i
2165 && abs (i) < TermWin.nrow && !must_clear)
2173 row = i > 0 ? 0 : j - 1;
2174 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2176 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow)
2178 text_t *stp = screen.text[row + row_offset];
2179 rend_t *srp = screen.rend[row + row_offset];
2180 text_t *dtp = drawn_text[row];
2181 text_t *dtp2 = drawn_text[row + i];
2182 rend_t *drp = drawn_rend[row];
2183 rend_t *drp2 = drawn_rend[row + i];
2185 for (nits = 0, col = TermWin.ncol; col--; )
2186 if (stp[col] != dtp2[col] || srp[col] != drp2[col])
2188 else if (stp[col] != dtp[col] || srp[col] != drp[col])
2191 if (nits > 8) /* XXX: arbitrary choice */
2193 for (col = TermWin.ncol; col--; )
2209 /* also comes here at end if needed because of >= above */
2211 SWAP_IT (wlen, len, int);
2213 XCopyArea (display->display, TermWin.vt, TermWin.vt,
2214 TermWin.gc, 0, Row2Pixel (len + i),
2215 (unsigned int)TermWin_TotalWidth (),
2216 (unsigned int)Height2Pixel (wlen - len + 1),
2217 0, Row2Pixel (len));
2225 * E: main pass across every character
2227 for (row = 0; row < TermWin.nrow; row++)
2229 text_t *stp = screen.text[row + row_offset];
2230 rend_t *srp = screen.rend[row + row_offset];
2231 text_t *dtp = drawn_text[row];
2232 rend_t *drp = drawn_rend[row];
2235 * E2: OK, now the real pass
2237 int ypixel = (int)Row2Pixel (row);
2239 for (col = 0; col < TermWin.ncol; col++)
2241 /* compare new text with old - if exactly the same then continue */
2242 if (stp[col] == dtp[col] /* Must match characters to skip. */
2243 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2244 || (stp[col] == ' ' /* space w/ no background change */
2245 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2248 // redraw one or more characters
2250 // seek to the beginning of wide characters
2251 while (stp[col] == NOCHAR && col > 0)
2254 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2255 text_t *text = stp + col;
2258 dtp[col] = stp[col];
2261 int xpixel = Col2Pixel (col);
2263 for (i = 0; ++col < TermWin.ncol; )
2265 if (stp[col] == NOCHAR)
2267 dtp[col] = stp[col];
2275 if (!RS_SAME (rend, srp[col]))
2280 if (stp[col] != dtp[col]
2281 || !RS_SAME (srp[col], drp[col]))
2283 if (must_clear && (i++ > count / 2))
2286 dtp[col] = stp[col];
2290 else if (must_clear || (stp[col] != ' ' && ++i >= 16))
2294 col--; /* went one too far. move back */
2295 count -= i; /* dump any matching trailing chars */
2297 // sometimes we optimize away the trailing NOCHAR's, add them back
2298 while (i && text[count] == NOCHAR)
2302 // force redraw after "careful" characters to avoid pixel droppings
2303 if (srp[col] & RS_Careful && col < TermWin.ncol - 1 && 0)
2304 drp[col + 1] = ~srp[col + 1];
2306 // include previous careful character(s) if possible, looks nicer (best effort...)
2308 && srp[text - stp - 1] & RS_Careful
2309 && RS_SAME (rend, srp[text - stp - 1]))
2310 text--, count++, xpixel -= TermWin.fwidth;
2314 * Determine the attributes for the string
2316 int fore = GET_FGCOLOR (rend); // desired foreground
2317 int back = GET_BGCOLOR (rend); // desired background
2319 // only do special processing if ana attributes are set, which is rare
2320 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink))
2322 bool invert = rend & RS_RVid;
2324 #ifndef NO_BOLD_UNDERLINE_REVERSE
2326 && fore == Color_fg)
2328 if (ISSET_PIXCOLOR (Color_BD))
2336 if (rend & RS_Italic
2337 && fore == Color_fg)
2339 if (ISSET_PIXCOLOR (Color_IT))
2347 if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL))
2353 SWAP_IT (fore, back, int);
2355 #ifndef NO_BOLD_UNDERLINE_REVERSE
2356 if (ISSET_PIXCOLOR (Color_RV))
2362 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2364 if (!text_blink_ev.active)
2366 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2369 else if (hidden_text)
2376 * Actually do the drawing of the string here
2378 rxvt_font *font = (*TermWin.fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2381 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2382 TermWin.fwidth * count, TermWin.fheight,
2384 else if (back == Color_bg)
2388 CLEAR_CHARS (xpixel, ypixel, count);
2390 for (i = 0; i < count; i++) /* don't draw empty strings */
2393 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1);
2398 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg);
2401 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back);
2403 if (rend & RS_Uline && font->descent > 1 && fore != back)
2405 XSetForeground (display->display, TermWin.gc, pix_colors[fore]);
2406 XDrawLine (display->display, drawBuffer, TermWin.gc,
2407 xpixel, ypixel + font->ascent + 1,
2408 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2410 } /* for (col....) */
2411 } /* for (row....) */
2414 scr_swap_overlay ();
2418 * G: cleanup cursor and display outline cursor if necessary
2425 #ifndef NO_CURSORCOLOR
2426 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2429 else if (oldcursor.row >= 0)
2431 #ifndef NO_CURSORCOLOR
2432 if (ISSET_PIXCOLOR (Color_cursor))
2433 XSetForeground (display->display, TermWin.gc, pix_colors[Color_cursor]);
2435 int cursorwidth = 1;
2436 while (oldcursor.col + cursorwidth < TermWin.ncol
2437 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2440 XDrawRectangle (display->display, drawBuffer, TermWin.gc,
2441 Col2Pixel (oldcursor.col),
2442 Row2Pixel (oldcursor.row),
2443 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2444 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1));
2449 * H: cleanup selection
2451 scr_reverse_selection ();
2453 if (refresh_type & SMOOTH_REFRESH)
2454 XFlush (display->display);
2461 rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp)
2466 for (int i = TermWin.ncol; i; i--, rp++, tp++)
2467 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
2471 rxvt_term::scr_remap_chars ()
2473 for (int i = TermWin.nrow + TermWin.saveLines; i--; )
2474 scr_remap_chars (screen.text[i], screen.rend[i]);
2476 for (int i = TermWin.nrow; i--; )
2478 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2479 scr_remap_chars (swap.text[i], swap.rend[i]);
2484 rxvt_term::scr_recolour ()
2495 XSetWindowBackground (display->display, TermWin.parent[0], pix_colors[Color_border]);
2496 XClearWindow (display->display, TermWin.parent[0]);
2497 XSetWindowBackground (display->display, TermWin.vt, pix_colors[Color_bg]);
2501 XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]);
2502 scrollBar.setIdle ();
2513 /* ------------------------------------------------------------------------- */
2515 rxvt_term::scr_clear (bool really)
2517 if (!TermWin.mapped)
2524 if ((options & Opt_transparent) && (am_pixmap_trans == 0))
2528 if (!(options & Opt_transparent_all))
2531 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2534 if (TermWin.parent[i] != None)
2535 XClearWindow (display->display, TermWin.parent[i]);
2540 XClearWindow (display->display, TermWin.vt);
2543 /* ------------------------------------------------------------------------- */
2545 rxvt_term::scr_reverse_selection ()
2547 if (selection.op && current_screen == selection.screen)
2549 int end_row = TermWin.saveLines - TermWin.view_start;
2550 int i = selection.beg.row + TermWin.saveLines;
2551 int col, row = selection.end.row + TermWin.saveLines;
2557 end_row += TermWin.nrow;
2559 for (; i <= row && i <= end_row; i++)
2560 for (srp = screen.rend[i], col = selection.beg.col; col < selection.end.col; col++)
2561 srp[col] ^= RS_RVid;
2567 col = selection.beg.col;
2574 end_row += TermWin.nrow;
2576 for (; i < row && i < end_row; i++, col = 0)
2577 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2578 srp[col] ^= RS_RVid;
2580 if (i == row && i < end_row)
2581 for (srp = screen.rend[i]; col < selection.end.col; col++)
2582 srp[col] ^= RS_RVid;
2587 /* ------------------------------------------------------------------------- */
2589 * Dump the whole scrollback and screen to the passed filedescriptor. The
2590 * invoking routine must close the fd.
2594 rxvt_term::scr_dump (int fd)
2597 unsigned int width, towrite;
2600 for (row = TermWin.saveLines - TermWin.nscrolled;
2601 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2603 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2605 for (towrite = width; towrite; towrite -= wrote)
2607 wrote = write (fd, & (screen.text[row][width - towrite]),
2610 return; /* XXX: death, no report */
2612 if (screen.tlen[row] >= 0)
2613 if (write (fd, r1, 1) <= 0)
2614 return; /* XXX: death, no report */
2619 /* ------------------------------------------------------------------------- *
2620 * CHARACTER SELECTION *
2621 * ------------------------------------------------------------------------- */
2624 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2627 rxvt_term::selection_check (int check_more)
2634 pos.row = pos.col = 0;
2635 if ((selection.beg.row < - (int32_t)TermWin.nscrolled)
2636 || (selection.beg.row >= TermWin.nrow)
2637 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2638 || (selection.mark.row >= TermWin.nrow)
2639 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2640 || (selection.end.row >= TermWin.nrow)
2642 && current_screen == selection.screen
2643 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2644 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2646 && ROWCOL_IS_BEFORE (selection.beg, pos)
2647 && ROWCOL_IS_AFTER (selection.end, pos))
2649 && ROWCOL_IS_AFTER (selection.end, pos))
2650 || (check_more == 4 /* screen width change */
2651 && (selection.beg.row != selection.end.row
2652 || selection.end.col > TermWin.ncol)))
2656 /* ------------------------------------------------------------------------- */
2658 * Paste a selection direct to the command fd
2661 rxvt_term::paste (unsigned char *data, unsigned int len)
2663 /* convert normal newline chars into common keyboard Return key sequence */
2664 for (unsigned int i = 0; i < len; i++)
2665 if (data[i] == C0_LF)
2668 tt_write (data, len);
2671 /* ------------------------------------------------------------------------- */
2673 * Respond to a notification that a primary selection has been sent
2674 * EXT: SelectionNotify
2677 rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2679 if (prop == None) /* check for failed XConvertSelection */
2681 if ((selection_type & Sel_CompoundText))
2683 int selnum = selection_type & Sel_whereMask;
2686 if (selnum != Sel_direct)
2687 selection_request_other (XA_STRING, selnum);
2690 if ((selection_type & Sel_UTF8String))
2692 int selnum = selection_type & Sel_whereMask;
2694 selection_type = Sel_CompoundText;
2695 if (selnum != Sel_direct)
2696 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2704 unsigned long bytes_after;
2707 if (XGetWindowProperty (display->display, win, prop,
2709 delete_prop, AnyPropertyType,
2710 &ct.encoding, &ct.format,
2711 &ct.nitems, &bytes_after,
2712 &ct.value) != Success)
2718 if (ct.encoding == None)
2723 // fetch and append remaining data
2726 if (XGetWindowProperty (display->display, win, prop,
2727 ct.nitems / 4, (bytes_after + 3) / 4,
2728 delete_prop, AnyPropertyType,
2729 &ct2.encoding, &ct2.format,
2730 &ct2.nitems, &bytes_after,
2731 &ct2.value) != Success)
2734 // realloc should be compatible to XFree, here, and elsewhere, too
2735 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2736 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2737 ct.nitems += ct2.nitems;
2745 if (ct.encoding == xa[XA_INCR])
2747 // INCR selection, start handshake
2749 XDeleteProperty (display->display, win, prop);
2751 selection_wait = Sel_incr;
2753 incr_ev.start (NOW + 10);
2760 if (selection_wait == Sel_incr)
2764 // finally complete, now paste the whole thing
2765 selection_wait = Sel_normal;
2766 ct.value = (unsigned char *)incr_buf;
2767 ct.nitems = incr_buf_fill;
2774 if (selection_wait == Sel_normal
2775 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2778 * pass through again trying CUT_BUFFER0 if we've come from
2779 * XConvertSelection () but nothing was presented
2781 selection_paste (display->root, XA_CUT_BUFFER0, False);
2787 else if (selection_wait == Sel_incr)
2789 incr_ev.start (NOW + 10);
2791 while (incr_buf_fill + ct.nitems > incr_buf_size)
2793 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2794 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2797 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2798 incr_buf_fill += ct.nitems;
2807 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2808 // so recode it manually
2809 if (ct.encoding == xa[XA_UTF8_STRING])
2811 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2812 char *s = rxvt_wcstombs (w);
2814 // TODO: strlen == only the first element will be converted. well...
2815 paste ((unsigned char *)s, strlen (s));
2820 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2823 for (int i = 0; i < cr; i++)
2824 paste ((unsigned char *)cl[i], strlen (cl[i]));
2826 XFreeStringList (cl);
2829 paste (ct.value, ct.nitems); // paste raw
2834 if (selection_wait == Sel_normal)
2835 selection_wait = Sel_none;
2839 rxvt_term::incr_cb (time_watcher &w)
2841 selection_wait = Sel_none;
2846 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2850 rxvt_term::selection_property (Window win, Atom prop)
2852 if (prop == None || selection_wait != Sel_incr)
2855 selection_paste (win, prop, true);
2858 /* ------------------------------------------------------------------------- */
2860 * Request the current selection:
2861 * Order: > internal selection if available
2862 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2864 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2865 * will auto fallback to CUT_BUFFER0
2866 * EXT: button 2 release
2869 rxvt_term::selection_request (Time tm, int x, int y)
2871 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2872 return; /* outside window */
2875 { /* internal selection */
2876 char *str = rxvt_wcstombs (selection.text, selection.len);
2877 paste ((unsigned char *)str, strlen (str));
2885 selection_request_time = tm;
2886 selection_wait = Sel_normal;
2888 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2890 #if X_HAVE_UTF8_STRING
2891 selection_type = Sel_UTF8String;
2892 if (selection_request_other (xa[XA_UTF8_STRING], i))
2895 selection_type = Sel_CompoundText;
2896 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2902 selection_wait = Sel_none; /* don't loop in selection_paste () */
2903 selection_paste (display->root, XA_CUT_BUFFER0, false);
2907 rxvt_term::selection_request_other (Atom target, int selnum)
2911 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2914 selection_type |= selnum;
2916 if (selnum == Sel_Primary)
2918 else if (selnum == Sel_Secondary)
2921 sel = xa[XA_CLIPBOARD];
2923 if (XGetSelectionOwner (display->display, sel) != None)
2925 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2926 TermWin.vt, selection_request_time);
2933 /* ------------------------------------------------------------------------- */
2935 * Clear all selected text
2936 * EXT: SelectionClear
2939 rxvt_term::selection_clear ()
2942 free (selection.text);
2943 selection.text = NULL;
2947 if (display->selection_owner == this)
2948 display->selection_owner = 0;
2951 /* ------------------------------------------------------------------------- */
2953 * Copy a selection into the cut buffer
2954 * EXT: button 1 or 3 release
2957 rxvt_term::selection_make (Time tm)
2959 int i, col, end_col, row, end_row;
2960 wchar_t *new_selection_text;
2963 switch (selection.op)
2965 case SELECTION_CONT:
2967 case SELECTION_INIT:
2970 case SELECTION_BEGIN:
2971 selection.op = SELECTION_DONE;
2977 selection.op = SELECTION_DONE;
2979 if (selection.clicks == 4)
2980 return; /* nothing selected, go away */
2982 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1);
2983 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2985 col = selection.beg.col;
2986 row = selection.beg.row + TermWin.saveLines;
2987 end_row = selection.end.row + TermWin.saveLines;
2991 for (; row <= end_row; row++, col = 0)
2993 end_col = screen.tlen[row];
2998 col = selection.beg.col;
2999 end_col = TermWin.ncol + 1;
3006 end_col = TermWin.ncol;
3008 if (row == end_row || selection.rect)
3009 MIN_IT (end_col, selection.end.col);
3011 t = &screen.text[row][col];
3012 for (; col < end_col; col++)
3016 #if ENABLE_COMBINING
3017 else if (IS_COMPOSE (*t))
3019 int len = rxvt_composite.expand (*t, 0);
3027 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));
3030 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3034 new_selection_text[ofs++] = *t++;
3037 if (screen.tlen[row] != -1 && row != end_row)
3038 new_selection_text[ofs++] = C0_LF;
3041 if (end_col != selection.end.col)
3042 new_selection_text[ofs++] = C0_LF;
3044 new_selection_text[ofs] = 0;
3048 free (new_selection_text);
3052 free (selection.text);
3054 // we usually allocate much more than necessary, so realloc it smaller again
3055 selection.len = ofs;
3056 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3058 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm);
3059 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt)
3060 display->set_selection_owner (this);
3062 rxvt_warn ("can't get primary selection, ignoring.\n");
3067 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
3069 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
3074 selection_time = tm;
3077 /* ------------------------------------------------------------------------- */
3079 * Mark or select text based upon number of clicks: 1, 2, or 3
3080 * EXT: button 1 press
3083 rxvt_term::selection_click (int clicks, int x, int y)
3085 clicks = ((clicks - 1) % 3) + 1;
3086 selection.clicks = clicks; /* save clicks so extend will work */
3088 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3090 if (clicks == 2 || clicks == 3)
3091 selection_extend_colrow (selection.mark.col,
3092 selection.mark.row + TermWin.view_start,
3094 1, /* button press */
3095 0); /* click change */
3098 /* ------------------------------------------------------------------------- */
3100 * Mark a selection at the specified col/row
3103 rxvt_term::selection_start_colrow (int col, int row)
3106 selection.mark.col = col;
3107 selection.mark.row = row - TermWin.view_start;
3109 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled);
3110 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1);
3111 MAX_IT (selection.mark.col, 0);
3112 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1);
3114 while (selection.mark.col > 0
3115 && screen.text[selection.mark.row + TermWin.saveLines][selection.mark.col] == NOCHAR)
3116 --selection.mark.col;
3119 { /* clear the old selection */
3120 selection.beg.row = selection.end.row = selection.mark.row;
3121 selection.beg.col = selection.end.col = selection.mark.col;
3124 selection.op = SELECTION_INIT;
3125 selection.screen = current_screen;
3128 /* ------------------------------------------------------------------------- */
3130 * Word select: select text for 2 clicks
3131 * We now only find out the boundary in one direction
3134 /* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3135 #define DELIMIT_TEXT(x) \
3136 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3137 #define DELIMIT_REND(x) 1
3140 rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)
3142 int col, row, dirnadd, tcol, trow, w1, w2;
3149 bound.row = TermWin.saveLines - TermWin.nscrolled - 1;
3155 bound.row = TermWin.saveLines + TermWin.nrow;
3156 bound.col = TermWin.ncol - 1;
3160 row = mark->row + TermWin.saveLines;
3163 /* find the edge of a word */
3164 stp = &screen.text[row][col];
3165 w1 = DELIMIT_TEXT (*stp);
3167 srp = &screen.rend[row][col];
3168 w2 = DELIMIT_REND (*srp);
3172 for (; col != bound.col; col += dirnadd)
3180 if (DELIMIT_TEXT (*stp) != w1)
3182 if (DELIMIT_REND (*srp) != w2)
3186 if ((col == bound.col) && (row != bound.row))
3188 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1)
3190 trow = row + dirnadd;
3191 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
3193 if (screen.text[trow] == NULL)
3196 stp = & (screen.text[trow][tcol]);
3197 srp = & (screen.rend[trow][tcol]);
3199 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3210 Old_Word_Selection_You_Die:
3212 col++; /* put us on one past the end */
3214 /* Poke the values back in */
3215 ret->row = row - TermWin.saveLines;
3219 /* ------------------------------------------------------------------------- */
3221 * Extend the selection to the specified x/y pixel location
3222 * EXT: button 3 press; button 1 or 3 drag
3223 * flag == 0 ==> button 1
3224 * flag == 1 ==> button 3 press
3225 * flag == 2 ==> button 3 motion
3228 rxvt_term::selection_extend (int x, int y, int flag)
3232 col = Pixel2Col (x);
3233 row = Pixel2Row (y);
3235 MIN_IT (row, (int)TermWin.nrow - 1);
3237 MIN_IT (col, (int)TermWin.ncol);
3240 * If we're selecting characters (single click) then we must check first
3241 * if we are at the same place as the original mark. If we are then
3242 * select nothing. Otherwise, if we're to the right of the mark, you have to
3243 * be _past_ a character for it to be selected.
3245 if (((selection.clicks % 3) == 1) && !flag
3246 && (col == selection.mark.col
3247 && (row == selection.mark.row + TermWin.view_start)))
3249 /* select nothing */
3250 selection.beg.row = selection.end.row = 0;
3251 selection.beg.col = selection.end.col = 0;
3252 selection.clicks = 4;
3257 if (selection.clicks == 4)
3258 selection.clicks = 1;
3260 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3261 flag == 1 ? 1 : 0, /* ? button press */
3262 0); /* no click change */
3265 /* ------------------------------------------------------------------------- */
3267 * Extend the selection to the specified col/row
3270 rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)
3272 int16_t ncol = TermWin.ncol;
3281 switch (selection.op)
3283 case SELECTION_INIT:
3285 selection.op = SELECTION_BEGIN;
3287 case SELECTION_BEGIN:
3288 if (row != selection.mark.row || col != selection.mark.col
3289 || (!button3 && buttonpress))
3290 selection.op = SELECTION_CONT;
3292 case SELECTION_DONE:
3293 selection.op = SELECTION_CONT;
3295 case SELECTION_CONT:
3297 case SELECTION_CLEAR:
3298 selection_start_colrow (col, row);
3304 if (selection.beg.col == selection.end.col
3305 && selection.beg.col != selection.mark.col
3306 && selection.beg.row == selection.end.row
3307 && selection.beg.row != selection.mark.row)
3309 selection.beg.col = selection.end.col = selection.mark.col;
3310 selection.beg.row = selection.end.row = selection.mark.row;
3316 pos.row -= TermWin.view_start; /* adjust for scroll */
3319 * This is mainly xterm style selection with a couple of differences, mainly
3320 * in the way button3 drag extension works.
3321 * We're either doing: button1 drag; button3 press; or button3 drag
3322 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3323 * is always at the left/right edge of the selection.
3324 * b) button3 press: extend/contract character/word/line at whichever edge of
3325 * the selection we are closest to.
3326 * c) button3 drag : extend/contract character/word/line - we select around
3327 * a point/word/line which is either the start or end of the selection
3328 * and it was decided by whichever point/word/line was `fixed' at the
3329 * time of the most recent button3 press
3331 if (button3 && buttonpress)
3332 { /* button3 press */
3334 * first determine which edge of the selection we are closest to
3336 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3337 || (!ROWCOL_IS_AFTER (pos, selection.end)
3338 && (((pos.col - selection.beg.col)
3339 + ((pos.row - selection.beg.row) * ncol))
3340 < ((selection.end.col - pos.col)
3341 + ((selection.end.row - pos.row) * ncol)))))
3344 if (closeto == LEFT)
3346 selection.beg.row = pos.row;
3347 selection.beg.col = pos.col;
3348 selection.mark.row = selection.end.row;
3349 selection.mark.col = selection.end.col - (selection.clicks == 2);
3353 selection.end.row = pos.row;
3354 selection.end.col = pos.col;
3355 selection.mark.row = selection.beg.row;
3356 selection.mark.col = selection.beg.col;
3360 { /* button1 drag or button3 drag */
3361 if (ROWCOL_IS_AFTER (selection.mark, pos))
3363 if (selection.mark.row == selection.end.row
3364 && selection.mark.col == selection.end.col
3366 && selection.clicks == 2)
3367 selection.mark.col--;
3369 selection.beg.row = pos.row;
3370 selection.beg.col = pos.col;
3371 selection.end.row = selection.mark.row;
3372 selection.end.col = selection.mark.col + (selection.clicks == 2);
3376 selection.beg.row = selection.mark.row;
3377 selection.beg.col = selection.mark.col;
3378 selection.end.row = pos.row;
3379 selection.end.col = pos.col;
3383 if (selection.clicks == 1)
3385 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3387 if (selection.beg.col > end_col
3393 selection.beg.col = ncol;
3395 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3398 selection.end.col > end_col
3404 selection.end.col = ncol;
3406 else if (selection.clicks == 2)
3408 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3409 selection.end.col--;
3411 selection_delimit_word (UP, &selection.beg, &selection.beg);
3412 selection_delimit_word (DN, &selection.end, &selection.end);
3414 else if (selection.clicks == 3)
3417 if ((options & Opt_tripleclickwords))
3421 selection_delimit_word (UP, &selection.beg, &selection.beg);
3422 end_row = screen.tlen[selection.mark.row + TermWin.saveLines];
3424 for (end_row = selection.mark.row; end_row < TermWin.nrow; end_row++)
3426 end_col = screen.tlen[end_row + TermWin.saveLines];
3430 selection.end.row = end_row;
3431 selection.end.col = end_col;
3432 selection_remove_trailing_spaces ();
3440 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3441 selection.mark.col++;
3443 selection.beg.col = 0;
3444 selection.end.col = ncol;
3448 if (button3 && buttonpress)
3449 { /* mark may need to be changed */
3450 if (closeto == LEFT)
3452 selection.mark.row = selection.end.row;
3453 selection.mark.col = selection.end.col - (selection.clicks == 2);
3457 selection.mark.row = selection.beg.row;
3458 selection.mark.col = selection.beg.col;
3463 if (selection.rect && selection.beg.col > selection.end.col)
3464 SWAP_IT (selection.beg.col, selection.end.col, int);
3470 rxvt_term::selection_remove_trailing_spaces ()
3472 int32_t end_col, end_row;
3475 end_col = selection.end.col;
3476 end_row = selection.end.row;
3478 for ( ; end_row >= selection.beg.row; )
3480 stp = screen.text[end_row + TermWin.saveLines];
3482 while (--end_col >= 0)
3484 if (stp[end_col] != ' '
3485 && stp[end_col] != '\t'
3486 && stp[end_col] != NOCHAR)
3491 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1)
3493 selection.end.col = end_col + 1;
3494 selection.end.row = end_row;
3499 end_col = TermWin.ncol;
3502 if (selection.mark.row > selection.end.row)
3504 selection.mark.row = selection.end.row;
3505 selection.mark.col = selection.end.col;
3507 else if (selection.mark.row == selection.end.row
3508 && selection.mark.col > selection.end.col)
3509 selection.mark.col = selection.end.col;
3513 /* ------------------------------------------------------------------------- */
3515 * Double click on button 3 when already selected
3516 * EXT: button 3 double click
3519 rxvt_term::selection_rotate (int x, int y)
3521 selection.clicks = selection.clicks % 3 + 1;
3522 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3525 /* ------------------------------------------------------------------------- */
3527 * Respond to a request for our current selection
3528 * EXT: SelectionRequest
3531 rxvt_term::selection_send (const XSelectionRequestEvent &rq)
3535 ev.type = SelectionNotify;
3537 ev.display = rq.display;
3538 ev.requestor = rq.requestor;
3539 ev.selection = rq.selection;
3540 ev.target = rq.target;
3543 if (rq.target == xa[XA_TARGETS])
3545 Atom target_list[6];
3546 Atom *target = target_list;
3548 *target++ = xa[XA_TARGETS];
3549 *target++ = xa[XA_TIMESTAMP];
3550 *target++ = XA_STRING;
3551 *target++ = xa[XA_TEXT];
3552 *target++ = xa[XA_COMPOUND_TEXT];
3553 #if X_HAVE_UTF8_STRING
3554 *target++ = xa[XA_UTF8_STRING];
3557 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM,
3558 32, PropModeReplace,
3559 (unsigned char *)target_list, target - target_list);
3560 ev.property = rq.property;
3563 else if (rq.target == xa[XA_MULTIPLE])
3565 /* TODO: Handle MULTIPLE */
3568 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3570 XChangeProperty (display->display, rq.requestor, rq.property, rq.target,
3571 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3572 ev.property = rq.property;
3574 else if (rq.target == XA_STRING
3575 || rq.target == xa[XA_TEXT]
3576 || rq.target == xa[XA_COMPOUND_TEXT]
3577 || rq.target == xa[XA_UTF8_STRING]
3581 Atom target = rq.target;
3586 enc_string = XStringStyle,
3587 enc_text = XStdICCTextStyle,
3588 enc_compound_text = XCompoundTextStyle,
3589 #ifdef X_HAVE_UTF8_STRING
3590 enc_utf8 = XUTF8StringStyle,
3596 if (target == XA_STRING)
3597 // we actually don't do XA_STRING, but who cares, as i18n clients
3598 // will ask for another format anyways.
3600 else if (target == xa[XA_TEXT])
3602 else if (target == xa[XA_COMPOUND_TEXT])
3603 style = enc_compound_text;
3605 else if (target == xa[XA_UTF8_STRING])
3610 target = xa[XA_COMPOUND_TEXT];
3611 style = enc_compound_text;
3616 cl = selection.text;
3617 selectlen = selection.len;
3626 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3627 // so recode it manually
3628 if (style == enc_utf8)
3631 ct.encoding = target;
3633 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3634 ct.nitems = strlen ((char *)ct.value);
3638 if (XwcTextListToTextProperty (display->display, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3642 /* if we failed to convert then send it raw */
3643 ct.value = (unsigned char *)cl;
3644 ct.nitems = selectlen;
3645 ct.encoding = target;
3648 XChangeProperty (display->display, rq.requestor, rq.property,
3649 ct.encoding, 8, PropModeReplace,
3650 ct.value, (int)ct.nitems);
3651 ev.property = rq.property;
3657 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev);
3660 /* ------------------------------------------------------------------------- *
3662 * ------------------------------------------------------------------------- */
3665 * return col/row values corresponding to x/y pixel values
3668 rxvt_term::pixel_position (int *x, int *y)
3670 *x = Pixel2Col (*x);
3671 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3672 *y = Pixel2Row (*y);
3673 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3676 /* ------------------------------------------------------------------------- */
3679 rxvt_term::im_set_position (XPoint &pos)
3681 XWindowAttributes xwa;
3683 XGetWindowAttributes (display->display, TermWin.vt, &xwa);
3685 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3686 pos.y = xwa.y + Height2Pixel (screen.cur.row) + TermWin.fbase;
3692 rxvt_term::scr_overlay_new (int x, int y, int w, int h)
3694 if (TermWin.nrow < 3 || TermWin.ncol < 3)
3701 if (x < 0) x = TermWin.ncol - w;
3702 if (y < 0) y = TermWin.nrow - h;
3704 // make space for border
3705 w += 2; MIN_IT (w, TermWin.ncol);
3706 h += 2; MIN_IT (h, TermWin.nrow);
3708 x -= 1; MAX_IT (x, 0);
3709 y -= 1; MAX_IT (y, 0);
3711 MIN_IT (x, TermWin.ncol - w);
3712 MIN_IT (y, TermWin.nrow - h);
3717 ov_text = new text_t *[h];
3718 ov_rend = new rend_t *[h];
3720 for (y = 0; y < h; y++)
3722 text_t *tp = ov_text[y] = new text_t[w];
3723 rend_t *rp = ov_rend[y] = new rend_t[w];
3726 rend_t r = OVERLAY_RSTYLE;
3729 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3731 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3733 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3738 for (x = w - 2; x > 0; --x)
3750 rxvt_term::scr_overlay_off ()
3757 for (int y = 0; y < ov_h; y++)
3759 delete [] ov_text[y];
3760 delete [] ov_rend[y];
3763 delete [] ov_text; ov_text = 0;
3764 delete [] ov_rend; ov_rend = 0;
3768 rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)
3770 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3775 ov_text[y][x] = text;
3776 ov_rend[y][x] = rend;
3780 rxvt_term::scr_overlay_set (int x, int y, const char *s)
3783 scr_overlay_set (x++, y, *s++);
3787 rxvt_term::scr_swap_overlay ()
3792 int row_offset = ov_y + TermWin.saveLines - TermWin.view_start;
3794 // swap screen mem with overlay
3795 for (int y = ov_h; y--; )
3797 text_t *t1 = ov_text[y];
3798 rend_t *r1 = ov_rend[y];
3800 text_t *t2 = screen.text[y + row_offset] + ov_x;
3801 rend_t *r2 = screen.rend[y + row_offset] + ov_x;
3803 for (int x = ov_w; x--; )
3805 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3806 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3812 /* ------------------------------------------------------------------------- */