1 /*--------------------------------*-C-*--------------------------------------*
3 *---------------------------------------------------------------------------*
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/
22 * We handle _all_ screen updates and selections
25 #include "../config.h" /* NECESSARY */
27 #include "rxvt.h" /* NECESSARY */
28 #include "screen.intpro" /* PROTOS for internal routines */
30 #include <X11/Xmd.h> /* get the typedef for CARD32 */
35 #include "salloc.C" // HACK!!
37 inline void fill_text (text_t *start, text_t value, int len)
43 /* ------------------------------------------------------------------------- */
44 #define PROP_SIZE 16384
45 #define TABSIZE 8 /* default tab size */
47 /* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */
50 #define ZERO_SCROLLBACK() \
51 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \
52 TermWin.view_start = 0
53 #define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0
56 #define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \
58 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0
61 #define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63 #define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65 #define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D)))
67 #define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D)))
69 #define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D)))
71 #define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D)))
74 /* these must be row_col_t */
75 #define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77 #define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79 #define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81 #define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83 #define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85 #define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
93 #define drawBuffer TermWin.vt
95 #define CLEAR_ROWS(row, num) \
97 XClearArea (display->display, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel (row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel (num), False)
101 #define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \
103 XClearArea (display->display, drawBuffer, x, y, \
104 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel (1), False)
107 #define ERASE_ROWS(row, num) \
108 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel (row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel (num))
113 /* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */
116 /* Fill part/all of a line with blanks. */
118 rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs)
120 efs &= ~RS_baseattrMask;
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' '));
130 /* ------------------------------------------------------------------------- */
131 /* Fill a full line with blanks - make sure it is allocated first */
133 rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs)
136 assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs);
147 /* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */
151 rxvt_term::scr_reset ()
153 unsigned int ncol, nrow, total_rows, prev_total_rows;
158 D_SCREEN ((stderr, "rxvt_scr_reset ()"));
160 TermWin.view_start = 0;
163 if (TermWin.ncol == 0)
166 if (TermWin.nrow == 0)
172 if (ncol == prev_ncol && nrow == prev_nrow)
177 total_rows = nrow + TermWin.saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
181 screen.bscroll = nrow - 1;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t));
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
195 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
196 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
197 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
198 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
200 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
203 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
208 for (p = 0; p < nrow; p++)
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
217 MEMSET (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0;
223 current_screen = PRIMARY;
227 swap.flags = Screen_DefaultFlags;
228 swap.cur.row = swap.cur.col = 0;
230 current_screen = SECONDARY;
232 current_screen = PRIMARY;
235 selection.text = NULL;
237 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY;
239 selection.clicks = 0;
240 CLEAR_ALL_SELECTION ();
246 * add or delete rows as appropriate
248 setrstyle = DEFAULT_RSTYLE;
250 if (nrow < prev_nrow)
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
256 for (p = nrow; p < prev_nrow; p++)
258 q = p + TermWin.saveLines;
262 assert (screen.rend[q]);
264 talloc->free (screen.text[q]);
265 ralloc->free (screen.rend[q]);
270 assert (swap.rend[p]);
272 talloc->free (swap.text[p]);
273 ralloc->free (swap.rend[p]);
276 assert (drawn_text[p] && drawn_rend[p]);
278 talloc->free (drawn_text[p]);
279 ralloc->free (drawn_rend[p]);
282 /* we have fewer rows so fix up cursor position */
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
286 scr_reset_realloc (); /* realloc _last_ */
288 else if (nrow > prev_nrow)
291 scr_reset_realloc (); /* realloc _first_ */
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
297 for (p = prev_total_rows; p < total_rows; p++)
300 screen.text[p] = NULL;
301 screen.rend[p] = NULL;
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
307 for (p = prev_nrow; p < nrow; p++)
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
326 assert (screen.cur.row < TermWin.nrow);
327 assert (swap.cur.row < TermWin.nrow);
328 #else /* drive with your eyes closed */
330 MIN_IT (screen.cur.row, nrow - 1);
331 MIN_IT (swap.cur.row, nrow - 1);
333 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
337 if (ncol != prev_ncol)
339 int common = min (prev_ncol, ncol);
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
343 for (p = 0; p < total_rows; p++)
347 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
348 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
350 MIN_IT (screen.tlen[p], (int16_t)ncol);
352 if (ncol > prev_ncol)
353 scr_blank_line (& (screen.text[p][prev_ncol]),
354 & (screen.rend[p][prev_ncol]),
360 for (p = 0; p < nrow; p++)
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
365 if (ncol > prev_ncol)
366 scr_blank_line (& (drawn_text[p][prev_ncol]),
367 & (drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
375 MIN_IT (swap.tlen[p], (int16_t)ncol);
377 if (ncol > prev_ncol)
378 scr_blank_line (& (swap.text[p][prev_ncol]),
379 & (swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
399 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
401 for (p = 0; p < ncol; p++)
402 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
408 rxvt_term::scr_reset_realloc ()
410 uint16_t total_rows, nrow;
413 total_rows = nrow + TermWin.saveLines;
415 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
416 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
417 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
418 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
420 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
421 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
423 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
424 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
425 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
426 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
430 /* ------------------------------------------------------------------------- */
432 * Free everything. That way malloc debugging can find leakage.
435 rxvt_term::scr_release ()
440 total_rows = TermWin.nrow + TermWin.saveLines;
443 for (i = 0; i < total_rows; i++)
446 /* then so is screen.rend[i] */
447 assert (screen.rend[i]);
451 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0;
466 /* NULL these so if anything tries to use them, we'll know about it */
467 screen.text = drawn_text = swap.text = NULL;
468 screen.rend = drawn_rend = swap.rend = NULL;
469 screen.tlen = swap.tlen = NULL;
475 /* ------------------------------------------------------------------------- */
480 rxvt_term::scr_poweron ()
482 D_SCREEN ((stderr, "rxvt_scr_poweron ()"));
485 prev_nrow = prev_ncol = 0;
489 scr_refresh (SLOW_REFRESH);
495 /* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */
499 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8
504 rxvt_term::scr_cursor (int mode)
508 D_SCREEN ((stderr, "rxvt_scr_cursor (%c)", mode));
510 #if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY)
519 s->s_cur.row = s->cur.row;
520 s->s_cur.col = s->cur.col;
521 s->s_rstyle = rstyle;
522 s->s_charset = s->charset;
523 s->s_charset_char = charsets[s->charset];
527 s->cur.row = s->s_cur.row;
528 s->cur.col = s->s_cur.col;
529 s->flags &= ~Screen_WrapNext;
530 rstyle = s->s_rstyle;
531 s->charset = s->s_charset;
532 charsets[s->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 D_SCREEN ((stderr, "rxvt_scr_change_screen (%d)", scrn));
566 TermWin.view_start = 0;
568 if (current_screen == scrn)
569 return current_screen;
571 selection_check (2); /* check for boundary cross */
573 SWAP_IT (current_screen, scrn, int);
576 offset = TermWin.saveLines;
577 for (i = prev_nrow; i--;)
579 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *);
580 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t);
581 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
583 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
584 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
586 assert ((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
587 assert ((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
588 # else /* drive with your eyes closed */
589 MAX_IT (screen.cur.row, 0);
590 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
591 MAX_IT (screen.cur.col, 0);
592 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
594 SWAP_IT (screen.charset, swap.charset, int16_t);
595 SWAP_IT (screen.flags, swap.flags, int);
596 screen.flags |= Screen_VisibleCursor;
597 swap.flags |= Screen_VisibleCursor;
599 # ifdef RXVT_GRAPHICS
608 # ifdef SCROLL_ON_NO_SECONDARY
609 # ifdef RXVT_GRAPHICS
613 if (current_screen == PRIMARY
614 # ifdef RXVT_GRAPHICS
618 scr_scroll_text (0, (prev_nrow - 1), prev_nrow, 0);
624 /* ------------------------------------------------------------------------- */
626 * Change the colour for following text
629 rxvt_term::scr_color (unsigned int color, int fgbg)
632 if (fgbg == Color_fg)
633 rstyle = SET_FGCOLOR (rstyle, color);
635 rstyle = SET_BGCOLOR (rstyle, color);
638 /* ------------------------------------------------------------------------- */
640 * Change the rendition style for following text
643 rxvt_term::scr_rendition (int set, int style)
647 else if (style == ~RS_None)
648 rstyle = DEFAULT_RSTYLE;
653 /* ------------------------------------------------------------------------- */
655 * Scroll text between <row1> and <row2> inclusive, by <count> lines
656 * count positive ==> scroll up
657 * count negative ==> scroll down
658 * spec == 0 for normal routines
661 rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec)
666 if (count == 0 || (row1 > row2))
670 D_SCREEN ((stderr, "rxvt_scroll_text (%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary"));
672 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY))
674 nscrolled = (long)TermWin.nscrolled + (long)count;
676 if (nscrolled > (long)TermWin.saveLines)
677 TermWin.nscrolled = TermWin.saveLines;
679 TermWin.nscrolled = (uint16_t)nscrolled;
681 if ((Options & Opt_scrollWithBuffer)
682 && TermWin.view_start != 0
683 && TermWin.view_start != TermWin.saveLines)
684 scr_page (UP, count);
687 row1 += TermWin.saveLines;
689 row2 += TermWin.saveLines;
691 if (selection.op && current_screen == selection.screen)
693 i = selection.beg.row + TermWin.saveLines;
694 j = selection.end.row + TermWin.saveLines;
695 if ((i < row1 && j > row1)
696 || (i < row2 && j > row2)
697 || (i - count < row1 && i >= row1)
698 || (i - count > row2 && i <= row2)
699 || (j - count < row1 && j >= row1)
700 || (j - count > row2 && j <= row2))
702 CLEAR_ALL_SELECTION ();
703 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
705 else if (j >= row1 && j <= row2)
707 /* move selected region too */
708 selection.beg.row -= count;
709 selection.end.row -= count;
710 selection.mark.row -= count;
714 selection_check (0); /* _after_ TermWin.nscrolled update */
729 /* A1: Copy lines that will get clobbered by the rotation */
730 for (i = 0, j = row1; i < count; i++, j++)
732 buf_text[i] = screen.text[j];
733 buf_rend[i] = screen.rend[j];
735 /* A2: Rotate lines */
736 for (j = row1, i = j + count; i <= row2; i++, j++)
738 screen.tlen[j] = screen.tlen[i];
739 screen.text[j] = screen.text[i];
740 screen.rend[j] = screen.rend[i];
742 j = row2 - count + 1, i = count;
744 else /* if (j < 0) */
748 /* B1: Copy lines that will get clobbered by the rotation */
749 for (i = 0, j = row2; i < count; i++, j--)
751 buf_text[i] = screen.text[j];
752 buf_rend[i] = screen.rend[j];
754 /* B2: Rotate lines */
755 for (j = row2, i = j - count; i >= row1; i--, j--)
757 screen.tlen[j] = screen.tlen[i];
758 screen.text[j] = screen.text[i];
759 screen.rend[j] = screen.rend[i];
765 /* C: Resurrect lines */
769 screen.text[j] = buf_text[i];
770 screen.rend[j] = buf_rend[i];
772 if (!spec) /* line length may not equal TermWin.ncol */
773 scr_blank_screen_mem (screen.text, screen.rend,
774 (unsigned int)j, rstyle);
785 /* ------------------------------------------------------------------------- */
787 * Add text given in <str> of length <len> to screen struct
790 rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len)
792 unsigned char checksel, clearsel;
794 int i, row, last_col;
798 if (len <= 0) /* sanity */
802 last_col = TermWin.ncol;
804 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len));
808 nlines += (screen.cur.row - screen.bscroll);
810 && (screen.tscroll == 0)
811 && (screen.bscroll == (TermWin.nrow - 1)))
813 /* _at least_ this many lines need to be scrolled */
814 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0);
815 screen.cur.row -= nlines;
819 assert (screen.cur.col < last_col);
820 assert ((screen.cur.row < TermWin.nrow)
821 && (screen.cur.row >= - (int32_t)TermWin.nscrolled));
822 #else /* drive with your eyes closed */
823 MIN_IT (screen.cur.col, last_col - 1);
824 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
825 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
827 row = screen.cur.row + TermWin.saveLines;
829 checksel = (selection.op
830 && current_screen == selection.screen) ? 1 : 0;
833 stp = screen.text[row];
834 srp = screen.rend[row];
836 for (i = 0; i < len;)
845 if (screen.tlen[row] != -1) /* XXX: think about this */
846 MAX_IT (screen.tlen[row], screen.cur.col);
847 screen.flags &= ~Screen_WrapNext;
848 if (screen.cur.row == screen.bscroll)
849 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
850 else if (screen.cur.row < (TermWin.nrow - 1))
851 row = (++screen.cur.row) + TermWin.saveLines;
852 stp = screen.text[row]; /* _must_ refresh */
853 srp = screen.rend[row]; /* _must_ refresh */
856 if (screen.tlen[row] != -1) /* XXX: think about this */
857 MAX_IT (screen.tlen[row], screen.cur.col);
858 screen.flags &= ~Screen_WrapNext;
863 continue; /* yummmm..... */
867 if (checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
874 if (screen.flags & Screen_WrapNext)
876 screen.tlen[row] = -1;
877 if (screen.cur.row == screen.bscroll)
878 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
879 else if (screen.cur.row < (TermWin.nrow - 1))
880 row = (++screen.cur.row) + TermWin.saveLines;
881 stp = screen.text[row]; /* _must_ refresh */
882 srp = screen.rend[row]; /* _must_ refresh */
884 screen.flags &= ~Screen_WrapNext;
886 if (screen.flags & Screen_Insert)
887 scr_insdel_chars (1, INSERT);
889 if (charsets[screen.charset] == '0') // DEC SPECIAL
892 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break;
893 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break;
894 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
895 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
896 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
897 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
898 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
899 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
900 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
901 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
902 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
905 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c));
906 // rely on wcwidth to tell us the character width, at least for non-ascii
907 int width = c <= 128 ? 1 : wcwidth (c);
909 // width -1 characters (e.g. combining chars) are ignored currently.
913 stp[screen.cur.col] = c;
914 srp[screen.cur.col] = rend;
916 if (screen.cur.col < last_col - 1)
920 screen.tlen[row] = last_col;
921 if (screen.flags & Screen_Autowrap)
922 screen.flags |= Screen_WrapNext;
930 (void)0; /* handle combining character etc. here. */
933 if (screen.tlen[row] != -1) /* XXX: think about this */
934 MAX_IT (screen.tlen[row], screen.cur.col);
937 * If we wrote anywhere in the selected area, kill the selection
938 * XXX: should we kill the mark too? Possibly, but maybe that
939 * should be a similar check.
945 assert (screen.cur.row >= 0);
946 #else /* drive with your eyes closed */
947 MAX_IT (screen.cur.row, 0);
951 /* ------------------------------------------------------------------------- */
953 * Process Backspace. Move back the cursor back a position, wrap if have to
957 rxvt_term::scr_backspace ()
960 if (screen.cur.col == 0)
962 if (screen.cur.row > 0)
964 #ifdef TERMCAP_HAS_BW
965 screen.cur.col = TermWin.ncol - 1;
972 else if ((screen.flags & Screen_WrapNext) == 0)
973 scr_gotorc (0, -1, RELATIVE);
974 screen.flags &= ~Screen_WrapNext;
977 /* ------------------------------------------------------------------------- */
979 * Process Horizontal Tab
980 * count: +ve = forward; -ve = backwards
984 rxvt_term::scr_tab (int count)
988 D_SCREEN ((stderr, "rxvt_scr_tab (%d)", count));
990 i = x = screen.cur.col;
995 for (; ++i < TermWin.ncol; )
1003 x = TermWin.ncol - 1;
1005 else /* if (count < 0) */
1017 if (x != screen.cur.col)
1018 scr_gotorc (0, x, R_RELATIVE);
1021 /* ------------------------------------------------------------------------- */
1023 * Process DEC Back Index
1025 * Move cursor left in row. If we're at the left boundary, shift everything
1026 * in that row right. Clear left column.
1030 rxvt_term::scr_backindex ()
1032 if (screen.cur.col > 0)
1033 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1036 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1037 return; /* um, yeah? */
1038 scr_insdel_chars (1, INSERT);
1042 /* ------------------------------------------------------------------------- */
1044 * Process DEC Forward Index
1046 * Move cursor right in row. If we're at the right boundary, shift everything
1047 * in that row left. Clear right column.
1051 rxvt_term::scr_forwardindex ()
1055 if (screen.cur.col < TermWin.ncol - 1)
1056 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1059 row = screen.cur.row + TermWin.saveLines;
1060 if (screen.tlen[row] == 0)
1061 return; /* um, yeah? */
1062 else if (screen.tlen[row] == -1)
1063 screen.tlen[row] = TermWin.ncol;
1064 scr_gotorc (0, 0, R_RELATIVE);
1065 scr_insdel_chars (1, DELETE);
1066 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE);
1071 /* ------------------------------------------------------------------------- */
1076 rxvt_term::scr_gotorc (int row, int col, int relative)
1080 #ifdef RXVT_GRAPHICS
1081 if (Gr_Displayed ())
1085 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));
1087 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col)
1089 MAX_IT (screen.cur.col, 0);
1090 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1092 screen.flags &= ~Screen_WrapNext;
1093 if (relative & R_RELATIVE)
1097 if (screen.cur.row <= screen.bscroll
1098 && (screen.cur.row + row) > screen.bscroll)
1099 screen.cur.row = screen.bscroll;
1101 screen.cur.row += row;
1105 if (screen.cur.row >= screen.tscroll
1106 && (screen.cur.row + row) < screen.tscroll)
1107 screen.cur.row = screen.tscroll;
1109 screen.cur.row += row;
1114 if (screen.flags & Screen_Relative)
1115 { /* relative origin mode */
1116 screen.cur.row = row + screen.tscroll;
1117 MIN_IT (screen.cur.row, screen.bscroll);
1120 screen.cur.row = row;
1122 MAX_IT (screen.cur.row, 0);
1123 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1126 /* ------------------------------------------------------------------------- */
1128 * direction should be UP or DN
1131 rxvt_term::scr_index (enum page_dirn direction)
1136 dirn = ((direction == UP) ? 1 : -1);
1137 D_SCREEN ((stderr, "rxvt_scr_index (%d)", dirn));
1141 #ifdef RXVT_GRAPHICS
1142 if (Gr_Displayed ())
1146 screen.flags &= ~Screen_WrapNext;
1147 if ((screen.cur.row == screen.bscroll && direction == UP)
1148 || (screen.cur.row == screen.tscroll && direction == DN))
1149 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0);
1151 screen.cur.row += dirn;
1152 MAX_IT (screen.cur.row, 0);
1153 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1154 selection_check (0);
1157 /* ------------------------------------------------------------------------- */
1159 * Erase part or whole of a line
1160 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1161 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1162 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1165 rxvt_term::scr_erase_line (int mode)
1167 unsigned int row, col, num;
1170 D_SCREEN ((stderr, "rxvt_scr_erase_line (%d) at screen row: %d", mode, screen.cur.row));
1173 #ifdef RXVT_GRAPHICS
1174 if (Gr_Displayed ())
1178 selection_check (1);
1180 screen.flags &= ~Screen_WrapNext;
1182 row = TermWin.saveLines + screen.cur.row;
1185 case 0: /* erase to end of line */
1186 col = screen.cur.col;
1187 num = TermWin.ncol - col;
1188 MIN_IT (screen.tlen[row], (int16_t)col);
1189 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1190 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1193 case 1: /* erase to beginning of line */
1195 num = screen.cur.col + 1;
1196 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1197 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1200 case 2: /* erase whole line */
1203 screen.tlen[row] = 0;
1204 if (selection.beg.row <= screen.cur.row
1205 && selection.end.row >= screen.cur.row)
1212 if (screen.text[row])
1213 scr_blank_line (& (screen.text[row][col]),
1214 & (screen.rend[row][col]), num, rstyle);
1216 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1219 /* ------------------------------------------------------------------------- */
1221 * Erase part of whole of the screen
1222 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1223 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1224 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1227 rxvt_term::scr_erase_screen (int mode)
1230 int32_t row, row_offset;
1235 D_SCREEN ((stderr, "rxvt_scr_erase_screen (%d) at screen row: %d", mode, screen.cur.row));
1237 row_offset = (int32_t)TermWin.saveLines;
1241 case 0: /* erase to end of screen */
1242 selection_check (1);
1244 row = screen.cur.row + 1; /* possible OOB */
1245 num = TermWin.nrow - row;
1247 case 1: /* erase to beginning of screen */
1248 selection_check (3);
1251 num = screen.cur.row;
1253 case 2: /* erase whole screen */
1254 selection_check (3);
1255 #ifdef RXVT_GRAPHICS
1264 refresh_type |= REFRESH_BOUNDS;
1265 if (selection.op && current_screen == selection.screen
1266 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1267 || (selection.end.row >= row
1268 && selection.end.row <= row + num)))
1270 if (row >= TermWin.nrow) /* Out Of Bounds */
1272 MIN_IT (num, (TermWin.nrow - row));
1273 if (rstyle & (RS_RVid | RS_Uline))
1274 ren = (rend_t) ~RS_None;
1275 else if (GET_BASEBG (rstyle) == Color_bg)
1277 ren = DEFAULT_RSTYLE;
1278 CLEAR_ROWS (row, num);
1282 ren = (rstyle & (RS_fgMask | RS_bgMask));
1283 gcvalue.foreground = PixColors[GET_BGCOLOR (rstyle)];
1284 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1285 ERASE_ROWS (row, num);
1286 gcvalue.foreground = PixColors[Color_fg];
1287 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1289 for (; num--; row++)
1291 scr_blank_screen_mem (screen.text, screen.rend,
1292 (unsigned int) (row + row_offset), rstyle);
1293 screen.tlen[row + row_offset] = 0;
1294 scr_blank_line (drawn_text[row], drawn_rend[row],
1295 (unsigned int)TermWin.ncol, ren);
1299 /* ------------------------------------------------------------------------- */
1301 * Fill the screen with `E's
1302 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1313 selection_check (3);
1315 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E'));
1316 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++)
1318 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */
1319 fill_text (screen.text[k], 'E', TermWin.ncol);
1320 for (r1 = screen.rend[k], j = TermWin.ncol; j--; )
1325 /* ------------------------------------------------------------------------- */
1327 * Insert/Delete <count> lines
1330 rxvt_term::scr_insdel_lines (int count, int insdel)
1336 #ifdef RXVT_GRAPHICS
1337 if (Gr_Displayed ())
1341 selection_check (1);
1343 if (screen.cur.row > screen.bscroll)
1346 end = screen.bscroll - screen.cur.row + 1;
1349 if (insdel == DELETE)
1351 else if (insdel == INSERT)
1354 screen.flags &= ~Screen_WrapNext;
1356 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0);
1359 /* ------------------------------------------------------------------------- */
1361 * Insert/Delete <count> characters from the current position
1364 rxvt_term::scr_insdel_chars (int count, int insdel)
1375 #ifdef RXVT_GRAPHICS
1376 if (Gr_Displayed ())
1383 selection_check (1);
1384 MIN_IT (count, (TermWin.ncol - screen.cur.col));
1386 row = screen.cur.row + TermWin.saveLines;
1387 screen.flags &= ~Screen_WrapNext;
1389 stp = screen.text[row];
1390 srp = screen.rend[row];
1391 slp = & (screen.tlen[row]);
1395 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col;
1398 stp[col] = stp[col - count];
1399 srp[col] = srp[col - count];
1404 MIN_IT (*slp, TermWin.ncol);
1406 if (selection.op && current_screen == selection.screen
1407 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1409 if (selection.end.row != screen.cur.row
1410 || (selection.end.col + count >= TermWin.ncol))
1413 { /* shift selection */
1414 selection.beg.col += count;
1415 selection.mark.col += count; /* XXX: yes? */
1416 selection.end.col += count;
1419 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]),
1420 (unsigned int)count, rstyle);
1423 screen.cur.col += count; /* don't worry if > TermWin.ncol */
1424 selection_check (1);
1425 screen.cur.col -= count;
1426 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]),
1427 (unsigned int)count, rstyle);
1430 tr = srp[TermWin.ncol - 1]
1431 & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1432 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++)
1434 stp[col] = stp[col + count];
1435 srp[col] = srp[col + count];
1437 scr_blank_line (& (stp[TermWin.ncol - count]),
1438 & (srp[TermWin.ncol - count]),
1439 (unsigned int)count, tr);
1440 if (*slp == -1) /* break line continuation */
1441 *slp = TermWin.ncol;
1444 if (selection.op && current_screen == selection.screen
1445 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1447 if (selection.end.row != screen.cur.row
1448 || (screen.cur.col >= selection.beg.col - count)
1449 || selection.end.col >= TermWin.ncol)
1453 /* shift selection */
1454 selection.beg.col -= count;
1455 selection.mark.col -= count; /* XXX: yes? */
1456 selection.end.col -= count;
1463 /* ------------------------------------------------------------------------- */
1465 * Set the scrolling region
1466 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1469 rxvt_term::scr_scroll_region (int top, int bot)
1472 MIN_IT (bot, (int)TermWin.nrow - 1);
1475 screen.tscroll = top;
1476 screen.bscroll = bot;
1477 scr_gotorc (0, 0, 0);
1480 /* ------------------------------------------------------------------------- */
1482 * Make the cursor visible/invisible
1483 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1484 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1487 rxvt_term::scr_cursor_visible (int mode)
1491 screen.flags |= Screen_VisibleCursor;
1493 screen.flags &= ~Screen_VisibleCursor;
1496 /* ------------------------------------------------------------------------- */
1498 * Set/unset automatic wrapping
1499 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1500 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1503 rxvt_term::scr_autowrap (int mode)
1506 screen.flags |= Screen_Autowrap;
1508 screen.flags &= ~ (Screen_Autowrap | Screen_WrapNext);
1511 /* ------------------------------------------------------------------------- */
1513 * Set/unset margin origin mode
1514 * Absolute mode: line numbers are counted relative to top margin of screen
1515 * and the cursor can be moved outside the scrolling region.
1516 * Relative mode: line numbers are relative to top margin of scrolling region
1517 * and the cursor cannot be moved outside.
1518 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1519 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1522 rxvt_term::scr_relative_origin (int mode)
1525 screen.flags |= Screen_Relative;
1527 screen.flags &= ~Screen_Relative;
1528 scr_gotorc (0, 0, 0);
1531 /* ------------------------------------------------------------------------- */
1533 * Set insert/replace mode
1534 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1535 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1538 rxvt_term::scr_insert_mode (int mode)
1541 screen.flags |= Screen_Insert;
1543 screen.flags &= ~Screen_Insert;
1546 /* ------------------------------------------------------------------------- */
1549 * XTERM_SEQ: Set tab at current column : ESC H
1550 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1551 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1554 rxvt_term::scr_set_tab (int mode)
1557 MEMSET (tabs, 0, TermWin.ncol * sizeof (char));
1558 else if (screen.cur.col < TermWin.ncol)
1559 tabs[screen.cur.col] = (mode ? 1 : 0);
1562 /* ------------------------------------------------------------------------- */
1564 * Set reverse/normal video
1565 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1566 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1569 rxvt_term::scr_rvideo_mode (int mode)
1576 SWAP_IT (PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1577 #if defined(XPM_BACKGROUND)
1578 if (bgPixmap.pixmap == None)
1580 #if defined(TRANSPARENT)
1581 if (! (Options & Opt_transparent) || am_transparent == 0)
1583 XSetWindowBackground (display->display, TermWin.vt,
1584 PixColors[Color_bg]);
1586 gcvalue.foreground = PixColors[Color_fg];
1587 gcvalue.background = PixColors[Color_bg];
1588 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground,
1595 /* ------------------------------------------------------------------------- */
1597 * Report current cursor position
1598 * XTERM_SEQ: Report position: ESC [ 6 n
1601 rxvt_term::scr_report_position ()
1603 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1606 /* ------------------------------------------------------------------------- *
1608 * ------------------------------------------------------------------------- */
1614 rxvt_term::set_font_style ()
1616 switch (charsets[screen.charset])
1618 case '0': /* DEC Special Character & Line Drawing Set */
1620 case 'A': /* United Kingdom (UK) */
1622 case 'B': /* United States (USASCII) */
1624 case '<': /* Multinational character set */
1626 case '5': /* Finnish character set */
1628 case 'C': /* Finnish character set */
1630 case 'K': /* German character set */
1635 /* ------------------------------------------------------------------------- */
1638 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1639 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1640 * XTERM_SEQ: Invoke G2 character set: ESC N
1641 * XTERM_SEQ: Invoke G3 character set: ESC O
1644 rxvt_term::scr_charset_choose (int set)
1646 screen.charset = set;
1650 /* ------------------------------------------------------------------------- */
1653 * XTERM_SEQ: Set G0 character set: ESC ( <C>
1654 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1655 * XTERM_SEQ: Set G2 character set: ESC * <C>
1656 * XTERM_SEQ: Set G3 character set: ESC + <C>
1657 * See set_font_style for possible values for <C>
1660 rxvt_term::scr_charset_set (int set, unsigned int ch)
1662 charsets[set] = (unsigned char)ch;
1667 /* ------------------------------------------------------------------------- *
1668 * MAJOR SCREEN MANIPULATION *
1669 * ------------------------------------------------------------------------- */
1672 * refresh matching text.
1675 rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)
1679 for (int i = 0; i < TermWin.nrow; i++)
1682 rend_t *drp = drawn_rend [i];
1684 for (; col < TermWin.ncol; col++, drp++)
1685 if ((*drp & mask) == value)
1705 rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh)
1708 row_col_t rc[RC_COUNT];
1710 if (drawn_text == NULL) /* sanity check */
1714 x = max (x, (int)TermWin.int_bwidth);
1715 x = min (x, (int)TermWin.width);
1716 y = max (y, (int)TermWin.int_bwidth);
1717 y = min (y, (int)TermWin.height);
1721 rc[PART_BEG].col = Pixel2Col (x);
1722 rc[PART_BEG].row = Pixel2Row (y);
1724 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1);
1725 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1);
1728 for (i = PART_BEG; i < RC_COUNT; i++)
1730 MIN_IT (rc[i].col, TermWin.ncol - 1);
1731 MIN_IT (rc[i].row, TermWin.nrow - 1);
1734 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));
1736 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1737 fill_text (& (drawn_text[i][rc[PART_BEG].col]), 0,
1738 (rc[PART_END].col - rc[PART_BEG].col + 1));
1741 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS);
1744 /* ------------------------------------------------------------------------- */
1746 * Refresh the entire screen
1749 rxvt_term::scr_touch (bool refresh)
1751 scr_expose (0, 0, TermWin.width, TermWin.height, refresh);
1754 /* ------------------------------------------------------------------------- */
1756 * Move the display so that the line represented by scrollbar value Y is at
1757 * the top of the screen
1760 rxvt_term::scr_move_to (int y, int len)
1763 uint16_t oldviewstart;
1765 oldviewstart = TermWin.view_start;
1768 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1769 p -= (long) (TermWin.nrow - 1);
1772 TermWin.view_start = (uint16_t)min (p, TermWin.nscrolled);
1773 D_SCREEN ((stderr, "rxvt_scr_move_to (%d, %d) view_start:%d", y, len, TermWin.view_start));
1775 return scr_changeview (oldviewstart);
1778 /* ------------------------------------------------------------------------- */
1780 * Page the screen up/down nlines
1781 * direction should be UP or DN
1784 rxvt_term::scr_page (enum page_dirn direction, int nlines)
1787 uint16_t oldviewstart;
1789 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1791 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1793 oldviewstart = TermWin.view_start;
1794 if (direction == UP)
1796 n = TermWin.view_start + nlines;
1797 TermWin.view_start = min (n, TermWin.nscrolled);
1801 n = TermWin.view_start - nlines;
1802 TermWin.view_start = max (n, 0);
1804 return scr_changeview (oldviewstart);
1808 rxvt_term::scr_changeview (uint16_t oldviewstart)
1810 if (TermWin.view_start != oldviewstart)
1813 #ifdef RXVT_GRAPHICS
1814 if (Gr_Displayed ())
1817 num_scr -= (TermWin.view_start - oldviewstart);
1819 return (int) (TermWin.view_start - oldviewstart);
1822 /* ------------------------------------------------------------------------- */
1824 rxvt_term::scr_bell ()
1827 # ifndef NO_MAPALERT
1828 # ifdef MAPALERT_OPTION
1829 if (Options & Opt_mapAlert)
1831 XMapWindow (display->display, TermWin.parent[0]);
1833 if (Options & Opt_visualBell)
1835 scr_rvideo_mode (!rvideo); /* refresh also done */
1836 scr_rvideo_mode (!rvideo); /* refresh also done */
1839 XBell (display->display, 0);
1843 /* ------------------------------------------------------------------------- */
1846 rxvt_term::scr_printscreen (int fullhist)
1849 int i, r1, nrows, row_offset;
1853 if ((fd = popen_printer ()) == NULL)
1855 nrows = TermWin.nrow;
1856 row_offset = TermWin.saveLines;
1858 row_offset -= TermWin.view_start;
1861 nrows += TermWin.nscrolled;
1862 row_offset -= TermWin.nscrolled;
1865 for (r1 = 0; r1 < nrows; r1++)
1867 t = screen.text[r1 + row_offset];
1868 for (i = TermWin.ncol - 1; i >= 0; i--)
1869 if (!isspace (t[i]))
1871 fprintf (fd, "%.*s\n", (i + 1), t);
1873 pclose_printer (fd);
1877 /* ------------------------------------------------------------------------- */
1879 * Refresh the screen
1880 * drawn_text/drawn_rend contain the screen information before the update.
1881 * screen.text/screen.rend contain what the screen will change to.
1884 #define FONT_WIDTH(X, Y) \
1885 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
1886 #define FONT_RBEAR(X, Y) \
1887 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
1888 #define FONT_LBEAR(X, Y) \
1889 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
1890 #define IS_FONT_CHAR(X, Y) \
1891 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1894 rxvt_term::scr_refresh (unsigned char refresh_type)
1896 unsigned char clearfirst, /* first character writes before cell */
1897 clearlast, /* last character writes beyond cell */
1898 must_clear, /* use draw_string not draw_image_string */
1899 rvid, /* reverse video this position */
1900 showcursor; /* show the cursor */
1901 int16_t col, row, /* column/row we're processing */
1902 ocrow; /* old cursor row */
1905 row_offset; /* basic offset in screen structure */
1906 #ifndef NO_CURSORCOLOR
1907 rend_t cc1; /* store colours at cursor position (s) */
1909 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1910 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1912 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1918 clearfirst = clearlast = must_clear = 0;
1922 row_offset = TermWin.saveLines - TermWin.view_start;
1924 if ((refresh_type & REFRESH_BOUNDS))
1926 clearfirst = clearlast = 1;
1927 refresh_type &= ~REFRESH_BOUNDS;
1930 #ifdef XPM_BACKGROUND
1931 must_clear |= (bgPixmap.pixmap != None);
1934 must_clear |= ((Options & Opt_transparent) && am_transparent);
1936 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1939 * B: reverse any characters which are selected
1941 scr_reverse_selection ();
1944 * C: set the cursor character (s)
1947 unsigned char setoldcursor;
1948 rend_t ccol1, /* Cursor colour */
1949 ccol2; /* Cursor colour2 */
1951 showcursor = (screen.flags & Screen_VisibleCursor);
1964 srp = & (screen.rend[screen.cur.row + TermWin.saveLines]
1967 if (showcursor && TermWin.focus)
1970 #ifndef NO_CURSORCOLOR
1971 cc1 = *srp & (RS_fgMask | RS_bgMask);
1972 if (ISSET_PIXCOLOR (Color_cursor))
1973 ccol1 = Color_cursor;
1975 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1976 ccol1 = GET_FGCOLOR (rstyle);
1980 if (ISSET_PIXCOLOR (Color_cursor2))
1981 ccol2 = Color_cursor2;
1983 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1984 ccol2 = GET_BGCOLOR (rstyle);
1988 *srp = SET_FGCOLOR (*srp, ccol1);
1989 *srp = SET_BGCOLOR (*srp, ccol2);
1995 /* make sure no outline cursor is left around */
1999 if (screen.cur.row + TermWin.view_start != ocrow
2000 || screen.cur.col != oldcursor.col)
2002 if (ocrow < TermWin.nrow
2003 && oldcursor.col < TermWin.ncol)
2005 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2007 if (TermWin.focus || !showcursor)
2013 else if (!TermWin.focus)
2017 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2021 oldcursor.row = screen.cur.row + TermWin.view_start;
2022 oldcursor.col = screen.cur.col;
2027 #ifndef NO_SLOW_LINK_SUPPORT
2029 * D: CopyArea pass - very useful for slower links
2030 * This has been deliberately kept simple.
2033 if (refresh_type == FAST_REFRESH && num_scr_allow && i
2034 && abs (i) < TermWin.nrow && !must_clear)
2044 row = i > 0 ? 0 : j - 1;
2045 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2047 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow)
2049 stp = screen.text[row + row_offset];
2050 srp = screen.rend[row + row_offset];
2051 dtp = drawn_text[row];
2052 dtp2 = drawn_text[row + i];
2053 drp = drawn_rend[row];
2054 drp2 = drawn_rend[row + i];
2056 for (nits = 0, col = TermWin.ncol; col--; )
2057 if (stp[col] != dtp2[col] || srp[col] != drp2[col])
2059 else if (stp[col] != dtp[col] || srp[col] != drp[col])
2062 if (nits > 8) /* XXX: arbitrary choice */
2064 for (col = TermWin.ncol; col--; )
2080 /* also comes here at end if needed because of >= above */
2082 SWAP_IT (wlen, len, int);
2084 D_SCREEN ((stderr, "rxvt_scr_refresh (): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2085 XCopyArea (display->display, TermWin.vt, TermWin.vt,
2086 TermWin.gc, 0, Row2Pixel (len + i),
2087 (unsigned int)TermWin_TotalWidth (),
2088 (unsigned int)Height2Pixel (wlen - len + 1),
2089 0, Row2Pixel (len));
2097 * E: main pass across every character
2099 for (row = 0; row < TermWin.nrow; row++)
2101 stp = screen.text[row + row_offset];
2102 srp = screen.rend[row + row_offset];
2103 dtp = drawn_text[row];
2104 drp = drawn_rend[row];
2107 * E2: OK, now the real pass
2109 int ypixel = (int)Row2Pixel (row);
2111 for (col = 0; col < TermWin.ncol; col++)
2113 /* compare new text with old - if exactly the same then continue */
2114 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2116 if (stp[col] == dtp[col] /* Must match characters to skip. */
2117 && (rend == drp[col] /* Either rendition the same or */
2118 || (stp[col] == ' ' /* space w/ no background change */
2119 && GET_BGATTR (rend) == GET_BGATTR (drp[col]))))
2122 text_t *text = stp + col;
2125 /* redraw one or more characters */
2127 dtp[col] = stp[col];
2130 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2133 int xpixel = Col2Pixel (col);
2135 // this loop looks very messy, it can probably be optimized
2136 // and cleaned a bit by you?
2137 for (i = 0; ++col < TermWin.ncol; )
2139 if (stp[col] == NOCHAR)
2141 dtp[col] = stp[col];
2145 if (i) // only possible skip if char unchanged
2151 if (rend != srp[col])
2156 if (stp[col] != dtp[col]
2157 || srp[col] != drp[col])
2159 if (must_clear && (i++ > (count / 2)))
2162 dtp[col] = stp[col];
2166 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2170 col--; /* went one too far. move back */
2171 count -= i; /* dump any matching trailing chars */
2174 * Determine the attributes for the string
2176 int fid = GET_FONT (rend);
2177 int fore = GET_FGCOLOR (rend); // desired foreground
2178 int back = GET_BGCOLOR (rend); // desired background
2180 rend = GET_ATTR (rend);
2182 rvid = !! (rend & RS_RVid);
2185 SWAP_IT (fore, back, int);
2187 #ifndef NO_BOLD_UNDERLINE_REVERSE
2188 if (ISSET_PIXCOLOR (Color_RV)
2189 # ifndef NO_CURSORCOLOR
2190 && !ISSET_PIXCOLOR (Color_cursor)
2198 if (rend & RS_Blink)
2200 if (!text_blink_ev.active)
2202 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2205 else if (hidden_text)
2209 #ifndef NO_BOLD_UNDERLINE_REVERSE
2210 else if (rend & RS_Bold)
2212 if (ISSET_PIXCOLOR (Color_BD))
2214 else if (fore == Color_fg)
2217 else if (rend & RS_Uline)
2219 if (ISSET_PIXCOLOR (Color_UL))
2225 * Actually do the drawing of the string here
2227 rxvt_font *font = (*TermWin.fontset)[fid];
2230 font->clear_rect (xpixel, ypixel,
2231 TermWin.fwidth * count, TermWin.fheight,
2233 else if (back == Color_bg)
2237 CLEAR_CHARS (xpixel, ypixel, count);
2239 for (i = 0; i < count; i++) /* don't draw empty strings */
2242 font->draw (xpixel, ypixel, text, count, fore, -1);
2247 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2250 font->draw (xpixel, ypixel, text, count, fore, back);
2252 if ((rend & RS_Uline) && (font->descent > 1))
2253 XDrawLine (display->display, drawBuffer, TermWin.gc,
2254 xpixel, ypixel + font->ascent + 1,
2255 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2256 } /* for (col....) */
2257 } /* for (row....) */
2260 * G: cleanup cursor and display outline cursor if necessary
2266 srp = & (screen.rend[screen.cur.row + TermWin.saveLines]
2269 #ifndef NO_CURSORCOLOR
2270 *srp = (*srp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2274 else if (oldcursor.row >= 0)
2276 #ifndef NO_CURSORCOLOR
2277 if (ISSET_PIXCOLOR (Color_cursor))
2278 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]);
2280 XDrawRectangle (display->display, drawBuffer, TermWin.gc,
2281 Col2Pixel (oldcursor.col),
2282 Row2Pixel (oldcursor.row),
2283 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2284 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1));
2289 * H: cleanup selection
2291 scr_reverse_selection ();
2294 * I: other general cleanup
2296 if (clearfirst && TermWin.int_bwidth)
2298 * clear the whole screen height, note that width == 0 is treated
2299 * specially by XClearArea
2301 XClearArea (display->display, TermWin.vt, 0, 0,
2302 (unsigned int)TermWin.int_bwidth,
2303 (unsigned int)TermWin_TotalHeight (), False);
2304 if (clearlast && TermWin.int_bwidth)
2306 * clear the whole screen height, note that width == 0 is treated
2307 * specially by XClearArea
2309 XClearArea (display->display, TermWin.vt,
2310 TermWin.width + TermWin.int_bwidth, 0,
2311 (unsigned int)TermWin.int_bwidth,
2312 (unsigned int)TermWin_TotalHeight (), False);
2313 if (refresh_type & SMOOTH_REFRESH)
2314 XSync (display->display, False);
2318 want_refresh = 0; /* screen is current */
2321 /* ------------------------------------------------------------------------- */
2323 rxvt_term::scr_clear ()
2325 if (!TermWin.mapped)
2331 if ((Options & Opt_transparent) && (am_pixmap_trans == 0))
2335 if (! (Options & Opt_transparent_all))
2338 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2341 if (TermWin.parent[i] != None)
2342 XClearWindow (display->display, TermWin.parent[i]);
2346 XClearWindow (display->display, TermWin.vt);
2349 /* ------------------------------------------------------------------------- */
2351 rxvt_term::scr_reverse_selection ()
2353 int i, col, row, end_row;
2356 if (selection.op && current_screen == selection.screen)
2358 end_row = TermWin.saveLines - TermWin.view_start;
2359 i = selection.beg.row + TermWin.saveLines;
2360 row = selection.end.row + TermWin.saveLines;
2362 col = selection.beg.col;
2368 end_row += TermWin.nrow;
2369 for (; i < row && i < end_row; i++, col = 0)
2370 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2371 srp[col] ^= RS_RVid;
2372 if (i == row && i < end_row)
2373 for (srp = screen.rend[i]; col < selection.end.col; col++)
2374 srp[col] ^= RS_RVid;
2378 /* ------------------------------------------------------------------------- */
2380 * Dump the whole scrollback and screen to the passed filedescriptor. The
2381 * invoking routine must close the fd.
2385 rxvt_term::scr_dump (int fd)
2388 unsigned int width, towrite;
2391 for (row = TermWin.saveLines - TermWin.nscrolled;
2392 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2394 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2396 for (towrite = width; towrite; towrite -= wrote)
2398 wrote = write (fd, & (screen.text[row][width - towrite]),
2401 return; /* XXX: death, no report */
2403 if (screen.tlen[row] >= 0)
2404 if (write (fd, r1, 1) <= 0)
2405 return; /* XXX: death, no report */
2410 /* ------------------------------------------------------------------------- *
2411 * CHARACTER SELECTION *
2412 * ------------------------------------------------------------------------- */
2415 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2418 rxvt_term::selection_check (int check_more)
2425 pos.row = pos.col = 0;
2426 if ((selection.beg.row < - (int32_t)TermWin.nscrolled)
2427 || (selection.beg.row >= TermWin.nrow)
2428 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2429 || (selection.mark.row >= TermWin.nrow)
2430 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2431 || (selection.end.row >= TermWin.nrow)
2433 && current_screen == selection.screen
2434 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2435 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2437 && ROWCOL_IS_BEFORE (selection.beg, pos)
2438 && ROWCOL_IS_AFTER (selection.end, pos))
2440 && ROWCOL_IS_AFTER (selection.end, pos))
2441 || (check_more == 4 /* screen width change */
2442 && (selection.beg.row != selection.end.row
2443 || selection.end.col > TermWin.ncol)))
2447 /* ------------------------------------------------------------------------- */
2449 * Paste a selection direct to the command fd
2452 rxvt_term::paste (const unsigned char *data, unsigned int len)
2454 unsigned int i, j, n;
2455 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2458 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2459 ZERO_SCROLLBACK (r);
2462 /* convert normal newline chars into common keyboard Return key sequence */
2463 for (i = 0; i < len; i += PROP_SIZE)
2465 n = min (len - i, PROP_SIZE);
2466 MEMCPY (ds, data + i, n);
2468 for (j = 0; j < n; j++)
2472 tt_write (ds, (int)n);
2478 /* ------------------------------------------------------------------------- */
2480 * Respond to a notification that a primary selection has been sent
2481 * EXT: SelectionNotify
2484 rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2487 unsigned long bytes_after;
2490 D_SELECT ((stderr, "rxvt_selection_paste (%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2492 if (prop == None) /* check for failed XConvertSelection */
2494 if ((selection_type & Sel_CompoundText))
2496 int selnum = selection_type & Sel_whereMask;
2499 if (selnum != Sel_direct)
2500 selection_request_other (XA_STRING, selnum);
2503 if ((selection_type & Sel_UTF8String))
2505 int selnum = selection_type & Sel_whereMask;
2507 selection_type = Sel_CompoundText;
2508 if (selnum != Sel_direct)
2509 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2519 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2520 (long) (PROP_SIZE / 4), delete_prop,
2521 AnyPropertyType, &ct.encoding, &ct.format,
2522 &ct.nitems, &bytes_after,
2523 &ct.value) != Success)
2526 if (ct.encoding == 0)
2528 D_SELECT ((stderr, "rxvt_selection_paste: property didn't exist!"));
2532 if (ct.value == NULL)
2534 D_SELECT ((stderr, "rxvt_selection_paste: property shooting blanks!"));
2540 D_SELECT ((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2541 if (selection_wait == Sel_normal && nread == 0)
2544 * pass through again trying CUT_BUFFER0 if we've come from
2545 * XConvertSelection () but nothing was presented
2547 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2548 selection_paste (display->root, XA_CUT_BUFFER0, False);
2551 nread = -1; /* discount any previous stuff */
2559 if (XmbTextPropertyToTextList (display->display, &ct, &cl,
2562 for (int i = 0; i < cr; i++)
2563 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2565 XFreeStringList (cl);
2568 paste (ct.value, ct.nitems);
2570 if (bytes_after == 0)
2579 if (selection_wait == Sel_normal)
2580 selection_wait = Sel_none;
2582 D_SELECT ((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2587 rxvt_term::incr_cb (time_watcher &w)
2589 selection_wait = Sel_none;
2591 rxvt_print_error ("data loss: timeout on INCR selection paste");
2595 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2598 rxvt_term::selection_property (Window win, Atom prop)
2604 D_SELECT ((stderr, "rxvt_selection_property (%08lx, %lu)", win, (unsigned long)prop));
2605 if (selection_wait == Sel_normal)
2609 unsigned long bytes_after, nitems;
2610 unsigned char *s = NULL;
2612 a = XGetWindowProperty (display->display, win, prop, 0L, 1L, False,
2613 xa[XA_INCR], &atype, &afmt, &nitems,
2619 #ifndef __CYGWIN32__
2620 if (atype == xa[XA_INCR])
2621 { /* start an INCR transfer */
2622 D_SELECT ((stderr, "rxvt_selection_property: INCR: starting transfer"));
2623 XDeleteProperty (display->display, win, prop);
2624 XFlush (display->display);
2626 selection_wait = Sel_incr;
2631 else if (selection_wait == Sel_incr)
2634 if (selection_paste (win, prop, True) == -1)
2636 D_SELECT ((stderr, "rxvt_selection_property: INCR: clean end"));
2637 selection_wait = Sel_none;
2641 if (reget_time) /* received more data so reget time */
2642 incr_ev.start (NOW + 10);
2644 /* ------------------------------------------------------------------------- */
2646 * Request the current selection:
2647 * Order: > internal selection if available
2648 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2650 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2651 * will auto fallback to CUT_BUFFER0
2652 * EXT: button 2 release
2655 rxvt_term::selection_request (Time tm, int x, int y)
2657 D_SELECT ((stderr, "rxvt_selection_request (%lu, %d, %d)", tm, x, y));
2658 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2659 return; /* outside window */
2661 if (selection.text != NULL)
2662 { /* internal selection */
2663 D_SELECT ((stderr, "rxvt_selection_request: pasting internal"));
2664 paste (selection.text, selection.len);
2671 selection_request_time = tm;
2672 selection_wait = Sel_normal;
2673 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2675 #if X_HAVE_UTF8_STRING
2676 selection_type = Sel_UTF8String;
2677 if (selection_request_other (xa[XA_UTF8_STRING], i))
2680 selection_type = Sel_CompoundText;
2681 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2687 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2688 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2689 selection_paste (display->root, XA_CUT_BUFFER0, False);
2693 rxvt_term::selection_request_other (Atom target, int selnum)
2697 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2700 selection_type |= selnum;
2701 if (selnum == Sel_Primary)
2703 else if (selnum == Sel_Secondary)
2706 sel = xa[XA_CLIPBOARD];
2707 if (XGetSelectionOwner (display->display, sel) != None)
2709 D_SELECT ((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2710 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2711 TermWin.vt, selection_request_time);
2717 /* ------------------------------------------------------------------------- */
2719 * Clear all selected text
2720 * EXT: SelectionClear
2723 rxvt_term::selection_clear ()
2725 D_SELECT ((stderr, "rxvt_selection_clear ()"));
2729 free (selection.text);
2730 selection.text = NULL;
2735 /* ------------------------------------------------------------------------- */
2737 * Copy a selection into the cut buffer
2738 * EXT: button 1 or 3 release
2741 rxvt_term::selection_make (Time tm)
2743 int i, col, end_col, row, end_row;
2744 unsigned char *new_selection_text;
2751 D_SELECT ((stderr, "rxvt_selection_make (): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2752 switch (selection.op)
2754 case SELECTION_CONT:
2756 case SELECTION_INIT:
2759 case SELECTION_BEGIN:
2760 selection.op = SELECTION_DONE;
2765 selection.op = SELECTION_DONE;
2767 if (selection.clicks == 4)
2768 return; /* nothing selected, go away */
2770 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1;
2771 str = (char *)rxvt_malloc (i * MB_CUR_MAX + 1);
2773 new_selection_text = (unsigned char *)str;
2775 col = selection.beg.col;
2777 row = selection.beg.row + TermWin.saveLines;
2778 end_row = selection.end.row + TermWin.saveLines;
2780 for (; row <= end_row; row++, col = 0)
2782 t = & (screen.text[row][col]);
2784 end_col = screen.tlen[row];
2787 end_col = TermWin.ncol;
2790 MIN_IT (end_col, selection.end.col);
2792 for (; col < end_col; col++)
2797 int len = wctomb (str, *t++);
2802 if (screen.tlen[row] != -1 && row != end_row)
2806 #ifndef NO_OLD_SELECTION
2807 if (selection_style == OLD_SELECT)
2808 if (end_col == TermWin.ncol)
2811 #ifndef NO_NEW_SELECTION
2812 if (selection_style != OLD_SELECT)
2813 if (end_col != selection.end.col)
2818 i = str - (char *)new_selection_text;
2821 free (new_selection_text);
2825 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2826 if (str - (char *)new_selection_text > 1024)
2827 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2832 free (selection.text);
2834 selection.text = new_selection_text;
2836 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm);
2837 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt)
2838 display->set_selection_owner (this);
2840 rxvt_print_error ("can't get primary selection");
2844 char *cl = (char *)selection.text;
2846 if (XmbTextListToTextProperty (display->display, &cl, 1, XStringStyle, &ct) >= 0)
2848 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
2849 PropModeReplace, ct.value, ct.nitems);
2853 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
2854 PropModeReplace, selection.text, (int)selection.len);
2857 selection_time = tm;
2858 D_SELECT ((stderr, "rxvt_selection_make (): selection.len=%d", selection.len));
2861 /* ------------------------------------------------------------------------- */
2863 * Mark or select text based upon number of clicks: 1, 2, or 3
2864 * EXT: button 1 press
2867 rxvt_term::selection_click (int clicks, int x, int y)
2869 D_SELECT ((stderr, "rxvt_selection_click (%d, %d, %d)", clicks, x, y));
2871 clicks = ((clicks - 1) % 3) + 1;
2872 selection.clicks = clicks; /* save clicks so extend will work */
2874 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2876 if (clicks == 2 || clicks == 3)
2877 selection_extend_colrow (selection.mark.col,
2878 selection.mark.row + TermWin.view_start,
2880 1, /* button press */
2881 0); /* click change */
2884 /* ------------------------------------------------------------------------- */
2886 * Mark a selection at the specified col/row
2889 rxvt_term::selection_start_colrow (int col, int row)
2892 selection.mark.col = col;
2893 selection.mark.row = row - TermWin.view_start;
2894 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled);
2895 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1);
2896 MAX_IT (selection.mark.col, 0);
2897 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1);
2900 { /* clear the old selection */
2901 selection.beg.row = selection.end.row = selection.mark.row;
2902 selection.beg.col = selection.end.col = selection.mark.col;
2904 selection.op = SELECTION_INIT;
2905 selection.screen = current_screen;
2908 /* ------------------------------------------------------------------------- */
2910 * Word select: select text for 2 clicks
2911 * We now only find out the boundary in one direction
2914 /* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2915 #define DELIMIT_TEXT(x) \
2916 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR (rs[Rs_cutchars], (x)) != NULL))
2917 #define DELIMIT_REND(x) 1
2920 rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)
2922 int col, row, dirnadd, tcol, trow, w1, w2;
2929 bound.row = TermWin.saveLines - TermWin.nscrolled - 1;
2935 bound.row = TermWin.saveLines + TermWin.nrow;
2936 bound.col = TermWin.ncol - 1;
2939 row = mark->row + TermWin.saveLines;
2942 /* find the edge of a word */
2943 stp = & (screen.text[row][col]);
2944 w1 = DELIMIT_TEXT (*stp);
2946 if (selection_style != NEW_SELECT)
2951 if (DELIMIT_TEXT (*stp) == 1)
2952 goto Old_Word_Selection_You_Die;
2957 srp = (&screen.rend[row][col]);
2958 w2 = DELIMIT_REND (*srp);
2962 for (; col != bound.col; col += dirnadd)
2965 if (DELIMIT_TEXT (*stp) != w1)
2968 if (DELIMIT_REND (*srp) != w2)
2971 if ((col == bound.col) && (row != bound.row))
2973 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1)
2975 trow = row + dirnadd;
2976 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2977 if (screen.text[trow] == NULL)
2979 stp = & (screen.text[trow][tcol]);
2980 srp = & (screen.rend[trow][tcol]);
2981 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2990 Old_Word_Selection_You_Die:
2991 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));
2994 col++; /* put us on one past the end */
2996 /* Poke the values back in */
2997 ret->row = row - TermWin.saveLines;
3001 /* ------------------------------------------------------------------------- */
3003 * Extend the selection to the specified x/y pixel location
3004 * EXT: button 3 press; button 1 or 3 drag
3005 * flag == 0 ==> button 1
3006 * flag == 1 ==> button 3 press
3007 * flag == 2 ==> button 3 motion
3010 rxvt_term::selection_extend (int x, int y, int flag)
3014 col = Pixel2Col (x);
3015 row = Pixel2Row (y);
3017 MIN_IT (row, (int)TermWin.nrow - 1);
3019 MIN_IT (col, (int)TermWin.ncol);
3021 #ifndef NO_NEW_SELECTION
3023 * If we're selecting characters (single click) then we must check first
3024 * if we are at the same place as the original mark. If we are then
3025 * select nothing. Otherwise, if we're to the right of the mark, you have to
3026 * be _past_ a character for it to be selected.
3028 if (selection_style != OLD_SELECT)
3030 if (((selection.clicks % 3) == 1) && !flag
3031 && (col == selection.mark.col
3032 && (row == selection.mark.row + TermWin.view_start)))
3034 /* select nothing */
3035 selection.beg.row = selection.end.row = 0;
3036 selection.beg.col = selection.end.col = 0;
3037 selection.clicks = 4;
3039 D_SELECT ((stderr, "rxvt_selection_extend () selection.clicks = 4"));
3044 if (selection.clicks == 4)
3045 selection.clicks = 1;
3047 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3048 flag == 1 ? 1 : 0, /* ? button press */
3049 0); /* no click change */
3052 /* ------------------------------------------------------------------------- */
3054 * Extend the selection to the specified col/row
3057 rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)
3059 int16_t ncol = TermWin.ncol;
3066 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));
3067 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));
3070 switch (selection.op)
3072 case SELECTION_INIT:
3074 selection.op = SELECTION_BEGIN;
3076 case SELECTION_BEGIN:
3077 if (row != selection.mark.row || col != selection.mark.col
3078 || (!button3 && buttonpress))
3079 selection.op = SELECTION_CONT;
3081 case SELECTION_DONE:
3082 selection.op = SELECTION_CONT;
3084 case SELECTION_CONT:
3086 case SELECTION_CLEAR:
3087 selection_start_colrow (col, row);
3092 if (selection.beg.col == selection.end.col
3093 && selection.beg.col != selection.mark.col
3094 && selection.beg.row == selection.end.row
3095 && selection.beg.row != selection.mark.row)
3097 selection.beg.col = selection.end.col = selection.mark.col;
3098 selection.beg.row = selection.end.row = selection.mark.row;
3099 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));
3105 pos.row -= TermWin.view_start; /* adjust for scroll */
3107 #ifndef NO_OLD_SELECTION
3109 * This mimics some of the selection behaviour of version 2.20 and before.
3110 * There are no ``selection modes'', button3 is always character extension.
3111 * Note: button3 drag is always available, c.f. v2.20
3112 * Selection always terminates (left or right as appropriate) at the mark.
3114 if (selection_style == OLD_SELECT)
3116 if (selection.clicks == 1 || button3)
3118 if (hate_those_clicks)
3120 hate_those_clicks = 0;
3121 if (selection.clicks == 1)
3123 selection.beg.row = selection.mark.row;
3124 selection.beg.col = selection.mark.col;
3128 selection.mark.row = selection.beg.row;
3129 selection.mark.col = selection.beg.col;
3132 if (ROWCOL_IS_BEFORE (pos, selection.mark))
3134 selection.end.row = selection.mark.row;
3135 selection.end.col = selection.mark.col + 1;
3136 selection.beg.row = pos.row;
3137 selection.beg.col = pos.col;
3141 selection.beg.row = selection.mark.row;
3142 selection.beg.col = selection.mark.col;
3143 selection.end.row = pos.row;
3144 selection.end.col = pos.col + 1;
3147 else if (selection.clicks == 2)
3149 selection_delimit_word (UP, & (selection.mark),
3151 selection_delimit_word (DN, & (selection.mark),
3153 hate_those_clicks = 1;
3155 else if (selection.clicks == 3)
3157 selection.beg.row = selection.end.row = selection.mark.row;
3158 selection.beg.col = 0;
3159 selection.end.col = ncol;
3160 hate_those_clicks = 1;
3162 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));
3165 #endif /* ! NO_OLD_SELECTION */
3166 #ifndef NO_NEW_SELECTION
3167 /* selection_style must not be OLD_SELECT to get here */
3169 * This is mainly xterm style selection with a couple of differences, mainly
3170 * in the way button3 drag extension works.
3171 * We're either doing: button1 drag; button3 press; or button3 drag
3172 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3173 * is always at the left/right edge of the selection.
3174 * b) button3 press: extend/contract character/word/line at whichever edge of
3175 * the selection we are closest to.
3176 * c) button3 drag : extend/contract character/word/line - we select around
3177 * a point/word/line which is either the start or end of the selection
3178 * and it was decided by whichever point/word/line was `fixed' at the
3179 * time of the most recent button3 press
3181 if (button3 && buttonpress)
3182 { /* button3 press */
3184 * first determine which edge of the selection we are closest to
3186 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3187 || (!ROWCOL_IS_AFTER (pos, selection.end)
3188 && (((pos.col - selection.beg.col)
3189 + ((pos.row - selection.beg.row) * ncol))
3190 < ((selection.end.col - pos.col)
3191 + ((selection.end.row - pos.row) * ncol)))))
3193 if (closeto == LEFT)
3195 selection.beg.row = pos.row;
3196 selection.beg.col = pos.col;
3197 selection.mark.row = selection.end.row;
3198 selection.mark.col = selection.end.col
3199 - (selection.clicks == 2);
3203 selection.end.row = pos.row;
3204 selection.end.col = pos.col;
3205 selection.mark.row = selection.beg.row;
3206 selection.mark.col = selection.beg.col;
3210 { /* button1 drag or button3 drag */
3211 if (ROWCOL_IS_AFTER (selection.mark, pos))
3213 if ((selection.mark.row == selection.end.row)
3214 && (selection.mark.col == selection.end.col)
3215 && clickchange && selection.clicks == 2)
3216 selection.mark.col--;
3217 selection.beg.row = pos.row;
3218 selection.beg.col = pos.col;
3219 selection.end.row = selection.mark.row;
3220 selection.end.col = selection.mark.col
3221 + (selection.clicks == 2);
3225 selection.beg.row = selection.mark.row;
3226 selection.beg.col = selection.mark.col;
3227 selection.end.row = pos.row;
3228 selection.end.col = pos.col;
3232 if (selection.clicks == 1)
3234 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3235 if (end_col != -1 && selection.beg.col > end_col)
3238 selection.beg.col = ncol;
3240 if (selection.beg.row != selection.end.row)
3241 selection.beg.col = ncol;
3243 selection.beg.col = selection.mark.col;
3247 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3248 if (end_col != -1 && selection.end.col > end_col)
3249 selection.end.col = ncol;
3252 else if (selection.clicks == 2)
3254 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3255 selection.end.col--;
3256 selection_delimit_word (UP, & (selection.beg),
3258 selection_delimit_word (DN, & (selection.end),
3261 else if (selection.clicks == 3)
3264 if ((Options & Opt_tripleclickwords))
3268 selection_delimit_word (UP, & (selection.beg),
3270 end_row = screen.tlen[selection.mark.row
3271 + TermWin.saveLines];
3272 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3275 end_col = screen.tlen[end_row + TermWin.saveLines];
3278 selection.end.row = end_row;
3279 selection.end.col = end_col;
3280 selection_remove_trailing_spaces ();
3289 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3290 selection.mark.col++;
3291 selection.beg.col = 0;
3292 selection.end.col = ncol;
3295 if (button3 && buttonpress)
3296 { /* mark may need to be changed */
3297 if (closeto == LEFT)
3299 selection.mark.row = selection.end.row;
3300 selection.mark.col = selection.end.col
3301 - (selection.clicks == 2);
3305 selection.mark.row = selection.beg.row;
3306 selection.mark.col = selection.beg.col;
3309 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));
3310 #endif /* ! NO_NEW_SELECTION */
3315 rxvt_term::selection_remove_trailing_spaces ()
3317 int32_t end_col, end_row;
3320 end_col = selection.end.col;
3321 end_row = selection.end.row;
3322 for ( ; end_row >= selection.beg.row; )
3324 stp = screen.text[end_row + TermWin.saveLines];
3325 while (--end_col >= 0)
3327 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3331 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1)
3333 selection.end.col = end_col + 1;
3334 selection.end.row = end_row;
3338 end_col = TermWin.ncol;
3340 if (selection.mark.row > selection.end.row)
3342 selection.mark.row = selection.end.row;
3343 selection.mark.col = selection.end.col;
3345 else if (selection.mark.row == selection.end.row
3346 && selection.mark.col > selection.end.col)
3347 selection.mark.col = selection.end.col;
3351 /* ------------------------------------------------------------------------- */
3353 * Double click on button 3 when already selected
3354 * EXT: button 3 double click
3357 rxvt_term::selection_rotate (int x, int y)
3359 selection.clicks = selection.clicks % 3 + 1;
3360 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3363 /* ------------------------------------------------------------------------- */
3365 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3366 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3369 typedef CARD32 Atom32;
3371 /* ------------------------------------------------------------------------- */
3373 * Respond to a request for our current selection
3374 * EXT: SelectionRequest
3377 rxvt_term::selection_send (const XSelectionRequestEvent &rq)
3381 XICCEncodingStyle style;
3384 ev.type = SelectionNotify;
3386 ev.display = rq.display;
3387 ev.requestor = rq.requestor;
3388 ev.selection = rq.selection;
3389 ev.target = rq.target;
3392 if (rq.target == xa[XA_TARGETS])
3394 Atom32 target_list[5];
3395 Atom32 *target = target_list;
3397 *target++ = (Atom32) xa[XA_TARGETS];
3398 *target++ = (Atom32) XA_STRING;
3399 *target++ = (Atom32) xa[XA_TEXT];
3400 *target++ = (Atom32) xa[XA_COMPOUND_TEXT];
3401 #if X_HAVE_UTF8_STRING
3402 *target++ = (Atom32) xa[XA_UTF8_STRING];
3404 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM,
3405 (8 * sizeof (target_list[0])), PropModeReplace,
3406 (unsigned char *)target_list,
3407 target - target_list);
3408 ev.property = rq.property;
3410 else if (rq.target == xa[XA_MULTIPLE])
3412 /* TODO: Handle MULTIPLE */
3414 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3416 XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER,
3417 (8 * sizeof (Time)), PropModeReplace,
3418 (unsigned char *)&selection_time, 1);
3419 ev.property = rq.property;
3421 else if (rq.target == XA_STRING
3422 || rq.target == xa[XA_TEXT]
3423 || rq.target == xa[XA_COMPOUND_TEXT]
3424 || rq.target == xa[XA_UTF8_STRING]
3433 if (target == XA_STRING)
3434 // we actually don't do XA_STRING, but who cares, as i18n clients
3435 // will ask for another format anyways.
3436 style = XStringStyle;
3437 else if (target == xa[XA_TEXT])
3439 else if (target == xa[XA_COMPOUND_TEXT])
3440 style = XCompoundTextStyle;
3441 #if X_HAVE_UTF8_STRING
3442 else if (target == xa[XA_UTF8_STRING])
3443 style = XUTF8StringStyle;
3447 target = xa[XA_COMPOUND_TEXT];
3448 style = XCompoundTextStyle;
3453 cl = (char *)selection.text;
3454 selectlen = selection.len;
3462 if (XmbTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0)
3466 /* if we failed to convert then send it raw */
3467 ct.value = (unsigned char *)cl;
3468 ct.nitems = selectlen;
3471 XChangeProperty (display->display, rq.requestor, rq.property,
3472 target, 8, PropModeReplace,
3473 ct.value, (int)ct.nitems);
3474 ev.property = rq.property;
3479 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev);
3482 /* ------------------------------------------------------------------------- *
3484 * ------------------------------------------------------------------------- */
3487 * return col/row values corresponding to x/y pixel values
3490 rxvt_term::pixel_position (int *x, int *y)
3492 *x = Pixel2Col (*x);
3493 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3494 *y = Pixel2Row (*y);
3495 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3498 /* ------------------------------------------------------------------------- */
3501 rxvt_term::im_set_position (XPoint *pos)
3503 XWindowAttributes xwa;
3505 XGetWindowAttributes (display->display, TermWin.vt, &xwa);
3506 pos->x = Col2Pixel (screen.cur.col) + xwa.x;
3507 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace;
3511 /* ------------------------------------------------------------------------- */
3513 /* ------------------------------------------------------------------------- *
3515 * ------------------------------------------------------------------------- */
3518 rxvt_debug_colors (void)
3521 const char *name[] =
3524 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3527 fprintf (stderr, "Color ( ");
3528 if (rstyle & RS_RVid)
3529 fprintf (stderr, "rvid ");
3530 if (rstyle & RS_Bold)
3531 fprintf (stderr, "bold ");
3532 if (rstyle & RS_Blink)
3533 fprintf (stderr, "blink ");
3534 if (rstyle & RS_Uline)
3535 fprintf (stderr, "uline ");
3536 fprintf (stderr, "): ");
3538 color = GET_FGCOLOR (rstyle);
3539 #ifndef NO_BRIGHTCOLOR
3540 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3542 color -= (minBrightCOLOR - minCOLOR);
3543 fprintf (stderr, "bright ");
3546 fprintf (stderr, "%s on ", name[color]);
3548 color = GET_BGCOLOR (rstyle);
3549 #ifndef NO_BRIGHTCOLOR
3550 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3552 color -= (minBrightCOLOR - minCOLOR);
3553 fprintf (stderr, "bright ");
3556 fprintf (stderr, "%s\n", name[color]);