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 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) \
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, 0, \
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 0, Row2Pixel (row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel (num))
113 /* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */
117 /* Fill part/all of a line with blanks. */
119 rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs)
121 efs &= ~RS_baseattrMask;
122 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
131 /* ------------------------------------------------------------------------- */
132 /* Fill a full line with blanks - make sure it is allocated first */
134 rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs)
137 assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
141 tp[row] = (text_t *)talloc->alloc ();
142 rp[row] = (rend_t *)ralloc->alloc ();
145 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs);
148 /* ------------------------------------------------------------------------- *
149 * SCREEN INITIALISATION *
150 * ------------------------------------------------------------------------- */
152 rxvt_term::scr_reset ()
154 unsigned int ncol, nrow, total_rows, prev_total_rows;
163 TermWin.view_start = 0;
166 if (TermWin.ncol == 0)
169 if (TermWin.nrow == 0)
175 if (ncol == prev_ncol && nrow == prev_nrow)
178 // we need at least two lines for wrapping to work correctly
179 if (nrow + TermWin.saveLines < 2)
188 prev_total_rows = prev_nrow + TermWin.saveLines;
189 total_rows = nrow + TermWin.saveLines;
192 screen.bscroll = nrow - 1;
196 talloc = new rxvt_salloc (ncol * sizeof (text_t));
197 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203 * first time called so just malloc everything: don't rely on realloc
204 * Note: this is still needed so that all the scrollback lines are NULL
206 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
207 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
208 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
209 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
211 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
212 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
214 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
215 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
216 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
217 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
219 for (p = 0; p < nrow; p++)
221 q = p + TermWin.saveLines;
222 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
223 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
224 screen.tlen[q] = swap.tlen[p] = 0;
225 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
228 memset (charsets, 'B', sizeof (charsets));
229 TermWin.nscrolled = 0; /* no saved lines */
230 rstyle = DEFAULT_RSTYLE;
231 screen.flags = Screen_DefaultFlags;
232 screen.cur.row = screen.cur.col = 0;
234 current_screen = PRIMARY;
238 swap.flags = Screen_DefaultFlags;
239 swap.cur.row = swap.cur.col = 0;
241 current_screen = SECONDARY;
243 current_screen = PRIMARY;
246 selection.text = NULL;
248 selection.op = SELECTION_CLEAR;
249 selection.screen = PRIMARY;
250 selection.clicks = 0;
251 CLEAR_ALL_SELECTION ();
257 * add or delete rows as appropriate
259 setrstyle = DEFAULT_RSTYLE;
261 if (nrow < prev_nrow)
264 k = min (TermWin.nscrolled, prev_nrow - nrow);
265 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
267 for (p = nrow; p < prev_nrow; p++)
269 q = p + TermWin.saveLines;
274 assert (screen.rend[q]);
276 talloc->free (screen.text[q]);
277 ralloc->free (screen.rend[q]);
283 assert (swap.rend[p]);
285 talloc->free (swap.text[p]);
286 ralloc->free (swap.rend[p]);
290 assert (drawn_text[p] && drawn_rend[p]);
292 talloc->free (drawn_text[p]);
293 ralloc->free (drawn_rend[p]);
296 /* we have fewer rows so fix up cursor position */
297 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
298 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
300 scr_reset_realloc (); /* realloc _last_ */
302 else if (nrow > prev_nrow)
305 scr_reset_realloc (); /* realloc _first_ */
307 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
309 k = min (TermWin.nscrolled, nrow - prev_nrow);
311 for (p = prev_total_rows; p < total_rows; p++)
314 screen.text[p] = NULL;
315 screen.rend[p] = NULL;
318 for (p = prev_total_rows; p < total_rows - k; p++)
319 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
321 for (p = prev_nrow; p < nrow; p++)
326 drawn_text[p] = NULL;
327 drawn_rend[p] = NULL;
328 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
329 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
334 scr_scroll_text (0, (int)nrow - 1, -k, 1);
336 screen.s_cur.row += k;
337 TermWin.nscrolled -= k;
340 assert (screen.cur.row < TermWin.nrow);
341 assert (swap.cur.row < TermWin.nrow);
342 #else /* drive with your eyes closed */
344 MIN_IT (screen.cur.row, nrow - 1);
345 MIN_IT (swap.cur.row, nrow - 1);
347 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
351 if (ncol != prev_ncol)
353 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
354 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
356 for (p = 0; p < total_rows; p++)
360 screen.text[p] = (text_t *)ta->alloc (screen.text[p], prev_ncol * sizeof (text_t));
361 screen.rend[p] = (rend_t *)ra->alloc (screen.rend[p], prev_ncol * sizeof (rend_t));
363 MIN_IT (screen.tlen[p], (int16_t)ncol);
365 if (ncol > prev_ncol)
366 scr_blank_line (&screen.text[p][prev_ncol],
367 &screen.rend[p][prev_ncol],
368 ncol - prev_ncol, setrstyle);
372 for (p = 0; p < nrow; p++)
374 drawn_text[p] = (text_t *)ta->alloc (drawn_text[p], prev_ncol * sizeof (text_t));
375 drawn_rend[p] = (rend_t *)ra->alloc (drawn_rend[p], prev_ncol * sizeof (rend_t));
377 if (ncol > prev_ncol)
378 scr_blank_line (&drawn_text[p][prev_ncol],
379 &drawn_rend[p][prev_ncol],
380 ncol - prev_ncol, setrstyle);
384 swap.text[p] = (text_t *)ta->alloc (swap.text[p], prev_ncol * sizeof (text_t));
385 swap.rend[p] = (rend_t *)ra->alloc (swap.rend[p], prev_ncol * sizeof (rend_t));
387 MIN_IT (swap.tlen[p], (int16_t)ncol);
389 if (ncol > prev_ncol)
390 scr_blank_line (&swap.text[p][prev_ncol],
391 &swap.rend[p][prev_ncol],
392 ncol - prev_ncol, setrstyle);
397 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
398 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
400 delete talloc; talloc = ta;
401 delete ralloc; ralloc = ra;
411 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
413 for (p = 0; p < ncol; p++)
414 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
420 rxvt_term::scr_reset_realloc ()
422 unsigned int total_rows, nrow;
425 total_rows = nrow + TermWin.saveLines;
427 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
428 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
429 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
430 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
432 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
433 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
435 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
436 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
437 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
438 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
442 /* ------------------------------------------------------------------------- */
444 * Free everything. That way malloc debugging can find leakage.
447 rxvt_term::scr_release ()
449 unsigned int total_rows;
452 total_rows = TermWin.nrow + TermWin.saveLines;
454 delete talloc; talloc = 0;
455 delete ralloc; ralloc = 0;
469 /* NULL these so if anything tries to use them, we'll know about it */
470 screen.text = drawn_text = swap.text = NULL;
471 screen.rend = drawn_rend = swap.rend = NULL;
472 screen.tlen = swap.tlen = NULL;
478 /* ------------------------------------------------------------------------- */
483 rxvt_term::scr_poweron ()
486 prev_nrow = prev_ncol = 0;
490 scr_refresh (SLOW_REFRESH);
493 /* ------------------------------------------------------------------------- *
494 * PROCESS SCREEN COMMANDS *
495 * ------------------------------------------------------------------------- */
497 * Save and Restore cursor
498 * XTERM_SEQ: Save cursor : ESC 7
499 * XTERM_SEQ: Restore cursor: ESC 8
502 rxvt_term::scr_cursor (int mode)
506 #if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
507 if (current_screen == SECONDARY)
516 s->s_cur.row = screen.cur.row;
517 s->s_cur.col = screen.cur.col;
518 s->s_rstyle = rstyle;
519 s->s_charset = screen.charset;
520 s->s_charset_char = charsets[screen.charset];
525 screen.cur.row = s->s_cur.row;
526 screen.cur.col = s->s_cur.col;
527 screen.flags &= ~Screen_WrapNext;
528 rstyle = s->s_rstyle;
529 screen.charset = s->s_charset;
530 charsets[screen.charset] = s->s_charset_char;
535 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT (s->cur.row, TermWin.nrow - 1);
537 MIN_IT (s->cur.col, TermWin.ncol - 1);
539 assert (s->cur.row >= 0);
540 assert (s->cur.col >= 0);
541 #else /* drive with your eyes closed */
542 MAX_IT (s->cur.row, 0);
543 MAX_IT (s->cur.col, 0);
547 /* ------------------------------------------------------------------------- */
549 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
554 rxvt_term::scr_change_screen (int scrn)
563 TermWin.view_start = 0;
565 if (current_screen == scrn)
568 selection_check (2); /* check for boundary cross */
570 SWAP_IT (current_screen, scrn, int);
572 if (options & Opt_secondaryScreen)
575 offset = TermWin.saveLines;
576 for (i = prev_nrow; i--;)
578 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *);
579 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t);
580 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
582 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
583 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
585 assert ((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
586 assert ((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
587 # else /* drive with your eyes closed */
588 MAX_IT (screen.cur.row, 0);
589 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
590 MAX_IT (screen.cur.col, 0);
591 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
593 SWAP_IT (screen.charset, swap.charset, int16_t);
594 SWAP_IT (screen.flags, swap.flags, int);
595 screen.flags |= Screen_VisibleCursor;
596 swap.flags |= Screen_VisibleCursor;
600 if (options & Opt_secondaryScroll)
601 //if (current_screen == PRIMARY)
602 scr_scroll_text (0, (prev_nrow - 1), prev_nrow, 0);
606 // clear WrapNext indicator, solidifying position on next line
608 rxvt_term::scr_do_wrap ()
610 if (!(screen.flags & Screen_WrapNext))
613 screen.flags &= ~Screen_WrapNext;
617 if (screen.cur.row == screen.bscroll)
618 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
619 else if (screen.cur.row < TermWin.nrow - 1)
623 /* ------------------------------------------------------------------------- */
625 * Change the colour for following text
628 rxvt_term::scr_color (unsigned int color, int fgbg)
630 if (color > maxTermCOLOR)
633 if (fgbg == Color_fg)
634 rstyle = SET_FGCOLOR (rstyle, color);
636 rstyle = SET_BGCOLOR (rstyle, color);
639 /* ------------------------------------------------------------------------- */
641 * Change the rendition style for following text
644 rxvt_term::scr_rendition (int set, int style)
648 else if (style == ~RS_None)
649 rstyle = DEFAULT_RSTYLE;
654 /* ------------------------------------------------------------------------- */
656 * Scroll text between <row1> and <row2> inclusive, by <count> lines
657 * count positive ==> scroll up
658 * count negative ==> scroll down
659 * spec == 0 for normal routines
662 rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec)
667 if (count == 0 || (row1 > row2))
672 if (row1 == 0 && count > 0
673 && (current_screen == PRIMARY || options & Opt_secondaryScroll))
675 nscrolled = (long)TermWin.nscrolled + (long)count;
677 if (nscrolled > (long)TermWin.saveLines)
678 TermWin.nscrolled = TermWin.saveLines;
680 TermWin.nscrolled = (unsigned int)nscrolled;
682 if ((options & Opt_scrollWithBuffer)
683 && TermWin.view_start != 0
684 && TermWin.view_start != TermWin.saveLines)
685 scr_page (UP, count);
688 row1 += TermWin.saveLines;
690 row2 += TermWin.saveLines;
692 if (selection.op && current_screen == selection.screen)
694 i = selection.beg.row + TermWin.saveLines;
695 j = selection.end.row + TermWin.saveLines;
696 if ((i < row1 && j > row1)
697 || (i < row2 && j > row2)
698 || (i - count < row1 && i >= row1)
699 || (i - count > row2 && i <= row2)
700 || (j - count < row1 && j >= row1)
701 || (j - count > row2 && j <= row2))
703 CLEAR_ALL_SELECTION ();
704 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
706 else if (j >= row1 && j <= row2)
708 /* move selected region too */
709 selection.beg.row -= count;
710 selection.end.row -= count;
711 selection.mark.row -= count;
715 selection_check (0); /* _after_ TermWin.nscrolled update */
730 /* A1: Copy lines that will get clobbered by the rotation */
731 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
732 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
734 /* A2: Rotate lines */
735 i = row2 - row1 - count + 1;
736 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
737 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
738 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
740 j = row2 - count + 1, i = count;
742 else /* if (j < 0) */
746 /* B1: Copy lines that will get clobbered by the rotation */
747 for (i = 0, j = row2; i < count; i++, j--)
749 buf_text[i] = screen.text[j];
750 buf_rend[i] = screen.rend[j];
753 /* B2: Rotate lines */
754 for (j = row2, i = j - count; i >= row1; i--, j--)
756 screen.tlen[j] = screen.tlen[i];
757 screen.text[j] = screen.text[i];
758 screen.rend[j] = screen.rend[i];
765 /* C: Resurrect lines */
766 memset (screen.tlen + j, 0, i * sizeof (int16_t));
767 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
768 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
769 if (!spec) /* line length may not equal TermWin.ncol */
771 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle);
776 /* ------------------------------------------------------------------------- */
778 * Add text given in <str> of length <len> to screen struct
781 rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)
783 unsigned char checksel;
785 int i, row, last_col;
789 if (len <= 0) /* sanity */
794 last_col = TermWin.ncol;
798 nlines += screen.cur.row - screen.bscroll;
800 && (screen.tscroll == 0)
801 && (screen.bscroll == (TermWin.nrow - 1)))
803 /* _at least_ this many lines need to be scrolled */
804 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0);
805 screen.cur.row -= nlines;
810 assert (screen.cur.col < last_col);
811 assert ((screen.cur.row < TermWin.nrow)
812 && (screen.cur.row >= - (int32_t)TermWin.nscrolled));
813 #else /* drive with your eyes closed */
814 MIN_IT (screen.cur.col, last_col - 1);
815 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
816 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
818 row = screen.cur.row + TermWin.saveLines;
820 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
822 stp = screen.text[row];
823 srp = screen.rend[row];
837 if (screen.tlen[row] != -1) /* XXX: think about this */
838 MAX_IT (screen.tlen[row], screen.cur.col);
840 screen.flags &= ~Screen_WrapNext;
842 if (screen.cur.row == screen.bscroll)
843 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
844 else if (screen.cur.row < (TermWin.nrow - 1))
845 row = (++screen.cur.row) + TermWin.saveLines;
847 stp = screen.text[row]; /* _must_ refresh */
848 srp = screen.rend[row]; /* _must_ refresh */
852 if (screen.tlen[row] != -1) /* XXX: think about this */
853 MAX_IT (screen.tlen[row], screen.cur.col);
855 screen.flags &= ~Screen_WrapNext;
860 if (checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
866 * If we wrote anywhere in the selected area, kill the selection
867 * XXX: should we kill the mark too? Possibly, but maybe that
868 * should be a similar check.
873 if (screen.flags & Screen_WrapNext)
875 screen.tlen[row] = -1;
877 scr_do_wrap (); row = screen.cur.row + TermWin.saveLines;
879 stp = screen.text[row]; /* _must_ refresh */
880 srp = screen.rend[row]; /* _must_ refresh */
883 if (screen.flags & Screen_Insert)
884 scr_insdel_chars (1, INSERT);
886 // rely on wcwidth to tell us the character width, at least for non-latin1
887 // do wcwidth before further replacements, as wcwidth says that line-drawing
888 // characters have width -1 (DOH!) on GNU/Linux sometimes.
889 int width = c < 0x100 ? 1 : wcwidth (c);
891 if (charsets[screen.charset] == '0') // DEC SPECIAL
893 // vt100 special graphics and line drawing
894 // 5f-7e standard vt100
895 // 40-5e rxvt extension for extra curses acs chars
896 static uint16_t vt100_0[63] = { // 5f .. 7e
897 0x0000, 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 40-47 hi mr. snowman!
898 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 48-4f
899 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 50-57
900 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, // 58-5f
901 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
902 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
903 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
904 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
907 if (c >= 0x40 && c <= 0x7e && vt100_0[c - 0x40])
909 c = vt100_0[c - 0x40];
916 // some utf-8 decoders decode surrogate characters.
917 if (0xd800 <= c && c <= 0xdfff)
921 // trim characters we can't store directly :(
923 # if ENABLE_COMBINING
924 c = rxvt_composite.compose (c); // map to lower 16 bits
930 // nuke the character at this position, if required
931 if (stp[screen.cur.col] == NOCHAR
932 || (screen.cur.col < TermWin.ncol - 1
933 && stp[screen.cur.col + 1] == NOCHAR))
935 int col = screen.cur.col;
938 while (col > 0 && stp[col] == NOCHAR)
941 rend_t rend = SET_FONT (srp[col], FONTSET (srp[col])->find_font (' '));
948 } while (col < TermWin.ncol && stp[col] == NOCHAR);
951 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
955 stp[screen.cur.col] = c;
956 srp[screen.cur.col] = rend;
958 if (screen.cur.col < last_col - 1)
962 screen.tlen[row] = last_col;
963 if (screen.flags & Screen_Autowrap)
964 screen.flags |= Screen_WrapNext;
972 // pad with spaces when overwriting wide character with smaller one
973 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++)
982 // handle combining characters
983 // we just tag the accent on the previous on-screen character.
984 // this is arguably not correct, but also arguably not wrong.
985 // we don't handle double-width characters nicely yet.
990 if (screen.cur.col > 0)
992 tp = stp + screen.cur.col - 1;
993 rp = srp + screen.cur.col - 1;
995 while (*tp == NOCHAR && tp > stp)
998 else if (screen.cur.row > 0
999 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
1001 int line = screen.cur.row - 1 + TermWin.saveLines;
1003 tp = screen.text[line] + last_col - 1;
1004 rp = screen.rend[line] + last_col - 1;
1006 while (*tp == NOCHAR && tp > screen.text[line])
1012 // first try to find a precomposed character
1013 unicode_t n = rxvt_compose (*tp, c);
1015 n = rxvt_composite.compose (*tp, c);
1018 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1023 if (screen.tlen[row] != -1) /* XXX: think about this */
1024 MAX_IT (screen.tlen[row], screen.cur.col);
1027 assert (screen.cur.row >= 0);
1028 #else /* drive with your eyes closed */
1029 MAX_IT (screen.cur.row, 0);
1033 /* ------------------------------------------------------------------------- */
1035 * Process Backspace. Move back the cursor back a position, wrap if have to
1039 rxvt_term::scr_backspace ()
1043 if (screen.cur.col == 0)
1045 if (screen.cur.row > 0)
1047 #ifdef TERMCAP_HAS_BW
1048 screen.cur.col = TermWin.ncol - 1;
1054 else if (!(screen.flags & Screen_WrapNext))
1055 scr_gotorc (0, -1, RELATIVE);
1057 screen.flags &= ~Screen_WrapNext;
1060 /* ------------------------------------------------------------------------- */
1062 * Process Horizontal Tab
1063 * count: +ve = forward; -ve = backwards
1067 rxvt_term::scr_tab (int count, bool ht)
1072 i = x = screen.cur.col;
1078 int row = TermWin.saveLines + screen.cur.row;
1079 text_t *tp = screen.text[row];
1080 rend_t *rp = screen.rend[row];
1081 rend_t base_rend = rp[i];
1084 for (; ++i < TermWin.ncol; )
1093 && RS_SAME (rp[i], base_rend);
1096 x = TermWin.ncol - 1;
1098 // store horizontal tab commands as characters inside the text
1099 // buffer so they can be selected and pasted.
1102 base_rend = SET_FONT (base_rend, 0);
1104 if (screen.tlen[row] != -1) /* XXX: think about this */
1105 MAX_IT (screen.tlen[row], x);
1119 else /* if (count < 0) */
1133 if (x != screen.cur.col)
1134 scr_gotorc (0, x, R_RELATIVE);
1137 /* ------------------------------------------------------------------------- */
1139 * Process DEC Back Index
1141 * Move cursor left in row. If we're at the left boundary, shift everything
1142 * in that row right. Clear left column.
1146 rxvt_term::scr_backindex ()
1148 if (screen.cur.col > 0)
1149 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1152 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1153 return; /* um, yeah? */
1155 scr_insdel_chars (1, INSERT);
1159 /* ------------------------------------------------------------------------- */
1161 * Process DEC Forward Index
1163 * Move cursor right in row. If we're at the right boundary, shift everything
1164 * in that row left. Clear right column.
1168 rxvt_term::scr_forwardindex ()
1172 if (screen.cur.col < TermWin.ncol - 1)
1173 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1176 row = screen.cur.row + TermWin.saveLines;
1178 if (screen.tlen[row] == 0)
1179 return; /* um, yeah? */
1180 else if (screen.tlen[row] == -1)
1181 screen.tlen[row] = TermWin.ncol;
1183 scr_gotorc (0, 0, R_RELATIVE);
1184 scr_insdel_chars (1, DELETE);
1185 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE);
1190 /* ------------------------------------------------------------------------- */
1195 rxvt_term::scr_gotorc (int row, int col, int relative)
1200 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1201 MAX_IT (screen.cur.col, 0);
1202 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1204 screen.flags &= ~Screen_WrapNext;
1206 if (relative & R_RELATIVE)
1210 if (screen.cur.row <= screen.bscroll
1211 && (screen.cur.row + row) > screen.bscroll)
1212 screen.cur.row = screen.bscroll;
1214 screen.cur.row += row;
1218 if (screen.cur.row >= screen.tscroll
1219 && (screen.cur.row + row) < screen.tscroll)
1220 screen.cur.row = screen.tscroll;
1222 screen.cur.row += row;
1227 if (screen.flags & Screen_Relative)
1228 { /* relative origin mode */
1229 screen.cur.row = row + screen.tscroll;
1230 MIN_IT (screen.cur.row, screen.bscroll);
1233 screen.cur.row = row;
1236 MAX_IT (screen.cur.row, 0);
1237 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1240 /* ------------------------------------------------------------------------- */
1242 * direction should be UP or DN
1245 rxvt_term::scr_index (enum page_dirn direction)
1252 dirn = ((direction == UP) ? 1 : -1);
1254 screen.flags &= ~Screen_WrapNext;
1256 if ((screen.cur.row == screen.bscroll && direction == UP)
1257 || (screen.cur.row == screen.tscroll && direction == DN))
1258 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0);
1260 screen.cur.row += dirn;
1262 MAX_IT (screen.cur.row, 0);
1263 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1264 selection_check (0);
1267 /* ------------------------------------------------------------------------- */
1269 * Erase part or whole of a line
1270 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1271 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1272 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1275 rxvt_term::scr_erase_line (int mode)
1277 unsigned int row, col, num;
1282 selection_check (1);
1284 row = TermWin.saveLines + screen.cur.row;
1287 case 0: /* erase to end of line */
1288 col = screen.cur.col;
1289 num = TermWin.ncol - col;
1290 MIN_IT (screen.tlen[row], (int16_t)col);
1291 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1292 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1295 case 1: /* erase to beginning of line */
1297 num = screen.cur.col + 1;
1298 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1299 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1302 case 2: /* erase whole line */
1305 screen.tlen[row] = 0;
1306 if (selection.beg.row <= screen.cur.row
1307 && selection.end.row >= screen.cur.row)
1314 if (screen.text[row])
1315 scr_blank_line (&screen.text[row][col], &screen.rend[row][col], num, rstyle);
1317 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1320 /* ------------------------------------------------------------------------- */
1322 * Erase part of whole of the screen
1323 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1324 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1325 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1328 rxvt_term::scr_erase_screen (int mode)
1331 int32_t row, row_offset;
1338 row_offset = (int32_t)TermWin.saveLines;
1342 case 0: /* erase to end of screen */
1343 selection_check (1);
1345 row = screen.cur.row + 1; /* possible OOB */
1346 num = TermWin.nrow - row;
1348 case 1: /* erase to beginning of screen */
1349 selection_check (3);
1352 num = screen.cur.row;
1354 case 2: /* erase whole screen */
1355 selection_check (3);
1363 if (selection.op && current_screen == selection.screen
1364 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1365 || (selection.end.row >= row
1366 && selection.end.row <= row + num)))
1369 if (row >= TermWin.nrow) /* Out Of Bounds */
1372 MIN_IT (num, (TermWin.nrow - row));
1374 if (rstyle & (RS_RVid | RS_Uline))
1375 ren = (rend_t) ~RS_None;
1376 else if (GET_BASEBG (rstyle) == Color_bg)
1378 ren = DEFAULT_RSTYLE;
1379 CLEAR_ROWS (row, num);
1383 ren = (rstyle & (RS_fgMask | RS_bgMask));
1384 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)];
1385 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1386 ERASE_ROWS (row, num);
1387 gcvalue.foreground = pix_colors[Color_fg];
1388 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue);
1391 for (; num--; row++)
1393 scr_blank_screen_mem (screen.text, screen.rend,
1394 (unsigned int) (row + row_offset), rstyle);
1395 screen.tlen[row + row_offset] = 0;
1396 scr_blank_line (drawn_text[row], drawn_rend[row],
1397 (unsigned int)TermWin.ncol, ren);
1401 /* ------------------------------------------------------------------------- */
1403 * Fill the screen with `E's
1404 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1416 selection_check (3);
1418 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1419 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++)
1421 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */
1422 fill_text (screen.text[k], 'E', TermWin.ncol);
1423 for (r1 = screen.rend[k], j = TermWin.ncol; j--; )
1428 /* ------------------------------------------------------------------------- */
1430 * Insert/Delete <count> lines
1433 rxvt_term::scr_insdel_lines (int count, int insdel)
1439 selection_check (1);
1441 if (screen.cur.row > screen.bscroll)
1444 end = screen.bscroll - screen.cur.row + 1;
1447 if (insdel == DELETE)
1449 else if (insdel == INSERT)
1455 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0);
1458 /* ------------------------------------------------------------------------- */
1460 * Insert/Delete <count> characters from the current position
1463 rxvt_term::scr_insdel_chars (int count, int insdel)
1479 selection_check (1);
1480 MIN_IT (count, (TermWin.ncol - screen.cur.col));
1482 row = screen.cur.row + TermWin.saveLines;
1484 stp = screen.text[row];
1485 srp = screen.rend[row];
1486 slp = &screen.tlen[row];
1491 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; col--)
1493 stp[col] = stp[col - count];
1494 srp[col] = srp[col - count];
1500 MIN_IT (*slp, TermWin.ncol);
1503 if (selection.op && current_screen == selection.screen
1504 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1506 if (selection.end.row != screen.cur.row
1507 || (selection.end.col + count >= TermWin.ncol))
1510 { /* shift selection */
1511 selection.beg.col += count;
1512 selection.mark.col += count; /* XXX: yes? */
1513 selection.end.col += count;
1517 scr_blank_line (&stp[screen.cur.col], &srp[screen.cur.col],
1518 (unsigned int)count, rstyle);
1522 screen.cur.col += count; /* don't worry if > TermWin.ncol */
1523 selection_check (1);
1524 screen.cur.col -= count;
1525 scr_blank_line (&stp[screen.cur.col], &srp[screen.cur.col],
1526 (unsigned int)count, rstyle);
1530 tr = srp[TermWin.ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1532 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++)
1534 stp[col] = stp[col + count];
1535 srp[col] = srp[col + count];
1538 scr_blank_line (&stp[TermWin.ncol - count], &srp[TermWin.ncol - count],
1539 (unsigned int)count, tr);
1541 if (*slp == -1) /* break line continuation */
1542 *slp = TermWin.ncol;
1547 if (selection.op && current_screen == selection.screen
1548 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1550 if (selection.end.row != screen.cur.row
1551 || (screen.cur.col >= selection.beg.col - count)
1552 || selection.end.col >= TermWin.ncol)
1556 /* shift selection */
1557 selection.beg.col -= count;
1558 selection.mark.col -= count; /* XXX: yes? */
1559 selection.end.col -= count;
1567 /* ------------------------------------------------------------------------- */
1569 * Set the scrolling region
1570 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1573 rxvt_term::scr_scroll_region (int top, int bot)
1576 MIN_IT (bot, (int)TermWin.nrow - 1);
1581 screen.tscroll = top;
1582 screen.bscroll = bot;
1583 scr_gotorc (0, 0, 0);
1586 /* ------------------------------------------------------------------------- */
1588 * Make the cursor visible/invisible
1589 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1590 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1593 rxvt_term::scr_cursor_visible (int mode)
1598 screen.flags |= Screen_VisibleCursor;
1600 screen.flags &= ~Screen_VisibleCursor;
1603 /* ------------------------------------------------------------------------- */
1605 * Set/unset automatic wrapping
1606 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1607 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1610 rxvt_term::scr_autowrap (int mode)
1613 screen.flags |= Screen_Autowrap;
1615 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1618 /* ------------------------------------------------------------------------- */
1620 * Set/unset margin origin mode
1621 * Absolute mode: line numbers are counted relative to top margin of screen
1622 * and the cursor can be moved outside the scrolling region.
1623 * Relative mode: line numbers are relative to top margin of scrolling region
1624 * and the cursor cannot be moved outside.
1625 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1626 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1629 rxvt_term::scr_relative_origin (int mode)
1632 screen.flags |= Screen_Relative;
1634 screen.flags &= ~Screen_Relative;
1636 scr_gotorc (0, 0, 0);
1639 /* ------------------------------------------------------------------------- */
1641 * Set insert/replace mode
1642 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1643 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1646 rxvt_term::scr_insert_mode (int mode)
1649 screen.flags |= Screen_Insert;
1651 screen.flags &= ~Screen_Insert;
1654 /* ------------------------------------------------------------------------- */
1657 * XTERM_SEQ: Set tab at current column : ESC H
1658 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1659 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1662 rxvt_term::scr_set_tab (int mode)
1665 memset (tabs, 0, TermWin.ncol * sizeof (char));
1666 else if (screen.cur.col < TermWin.ncol)
1667 tabs[screen.cur.col] = (mode ? 1 : 0);
1670 /* ------------------------------------------------------------------------- */
1672 * Set reverse/normal video
1673 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1674 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1677 rxvt_term::scr_rvideo_mode (int mode)
1684 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color);
1686 if (bgPixmap.pixmap == None)
1689 if (! (options & Opt_transparent) || am_transparent == 0)
1691 XSetWindowBackground (display->display, TermWin.vt,
1692 pix_colors[Color_bg]);
1694 gcvalue.foreground = pix_colors[Color_fg];
1695 gcvalue.background = pix_colors[Color_bg];
1696 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground,
1703 /* ------------------------------------------------------------------------- */
1705 * Report current cursor position
1706 * XTERM_SEQ: Report position: ESC [ 6 n
1709 rxvt_term::scr_report_position ()
1711 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1714 /* ------------------------------------------------------------------------- *
1716 * ------------------------------------------------------------------------- */
1722 rxvt_term::set_font_style ()
1724 switch (charsets[screen.charset])
1726 case '0': /* DEC Special Character & Line Drawing Set */
1728 case 'A': /* United Kingdom (UK) */
1730 case 'B': /* United States (USASCII) */
1732 case '<': /* Multinational character set */
1734 case '5': /* Finnish character set */
1736 case 'C': /* Finnish character set */
1738 case 'K': /* German character set */
1743 /* ------------------------------------------------------------------------- */
1746 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1747 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1748 * XTERM_SEQ: Invoke G2 character set: ESC N
1749 * XTERM_SEQ: Invoke G3 character set: ESC O
1752 rxvt_term::scr_charset_choose (int set)
1754 screen.charset = set;
1758 /* ------------------------------------------------------------------------- */
1761 * XTERM_SEQ: Set G0 character set: ESC ( <C>
1762 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1763 * XTERM_SEQ: Set G2 character set: ESC * <C>
1764 * XTERM_SEQ: Set G3 character set: ESC + <C>
1765 * See set_font_style for possible values for <C>
1768 rxvt_term::scr_charset_set (int set, unsigned int ch)
1770 charsets[set] = (unsigned char)ch;
1775 /* ------------------------------------------------------------------------- *
1776 * MAJOR SCREEN MANIPULATION *
1777 * ------------------------------------------------------------------------- */
1780 * refresh matching text.
1783 rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)
1787 for (int i = 0; i < TermWin.nrow; i++)
1790 rend_t *drp = drawn_rend [i];
1792 for (; col < TermWin.ncol; col++, drp++)
1793 if ((*drp & mask) == value)
1813 rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh)
1816 row_col_t rc[RC_COUNT];
1818 if (drawn_text == NULL) /* sanity check */
1821 #ifndef NO_SLOW_LINK_SUPPORT
1822 if (refresh_type == FAST_REFRESH && !display->is_local)
1825 height = TermWin.height;
1831 x = min (x, (int)TermWin.width);
1833 y = min (y, (int)TermWin.height);
1837 rc[PART_BEG].col = Pixel2Col (x);
1838 rc[PART_BEG].row = Pixel2Row (y);
1840 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1);
1841 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1);
1844 for (i = PART_BEG; i < RC_COUNT; i++)
1846 MIN_IT (rc[i].col, TermWin.ncol - 1);
1847 MIN_IT (rc[i].row, TermWin.nrow - 1);
1850 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1851 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1854 scr_refresh (SLOW_REFRESH);
1857 /* ------------------------------------------------------------------------- */
1859 * Refresh the entire screen
1862 rxvt_term::scr_touch (bool refresh)
1864 scr_expose (0, 0, TermWin.width, TermWin.height, refresh);
1867 /* ------------------------------------------------------------------------- */
1869 * Move the display so that the line represented by scrollbar value Y is at
1870 * the top of the screen
1873 rxvt_term::scr_move_to (int y, int len)
1876 unsigned int oldviewstart;
1878 oldviewstart = TermWin.view_start;
1882 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1883 p -= (long) (TermWin.nrow - 1);
1887 TermWin.view_start = (unsigned int)min (p, TermWin.nscrolled);
1889 return scr_changeview (oldviewstart);
1892 /* ------------------------------------------------------------------------- */
1894 * Page the screen up/down nlines
1895 * direction should be UP or DN
1898 rxvt_term::scr_page (enum page_dirn direction, int nlines)
1901 unsigned int oldviewstart;
1904 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1906 oldviewstart = TermWin.view_start;
1907 if (direction == UP)
1909 n = TermWin.view_start + nlines;
1910 TermWin.view_start = min (n, TermWin.nscrolled);
1914 n = TermWin.view_start - nlines;
1915 TermWin.view_start = max (n, 0);
1917 return scr_changeview (oldviewstart);
1921 rxvt_term::scr_changeview (unsigned int oldviewstart)
1923 if (TermWin.view_start != oldviewstart)
1926 num_scr -= (TermWin.view_start - oldviewstart);
1929 return (int) (TermWin.view_start - oldviewstart);
1932 /* ------------------------------------------------------------------------- */
1934 rxvt_term::scr_bell ()
1937 # ifndef NO_MAPALERT
1938 # ifdef MAPALERT_OPTION
1939 if (options & Opt_mapAlert)
1941 XMapWindow (display->display, TermWin.parent[0]);
1943 if (options & Opt_visualBell)
1945 scr_rvideo_mode (!rvideo); /* refresh also done */
1946 scr_rvideo_mode (!rvideo); /* refresh also done */
1949 XBell (display->display, 0);
1953 /* ------------------------------------------------------------------------- */
1956 rxvt_term::scr_printscreen (int fullhist)
1959 int i, r1, nrows, row_offset;
1962 if ((fd = popen_printer ()) == NULL)
1965 nrows = TermWin.nrow;
1966 row_offset = TermWin.saveLines;
1969 row_offset -= TermWin.view_start;
1972 nrows += TermWin.nscrolled;
1973 row_offset -= TermWin.nscrolled;
1978 for (r1 = 0; r1 < nrows; r1++)
1980 text_t *tp = screen.text[r1 + row_offset];
1981 int len = screen.tlen[r1 + row_offset];
1983 for (i = len >= 0 ? len : TermWin.ncol - 1; i--; )
1985 char mb[MB_LEN_MAX];
1990 len = wctomb (mb, t);
1998 fwrite (mb, 1, len, fd);
2004 pclose_printer (fd);
2008 /* ------------------------------------------------------------------------- */
2010 * Refresh the screen
2011 * drawn_text/drawn_rend contain the screen information before the update.
2012 * screen.text/screen.rend contain what the screen will change to.
2015 #define FONT_WIDTH(X, Y) \
2016 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
2017 #define FONT_RBEAR(X, Y) \
2018 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
2019 #define FONT_LBEAR(X, Y) \
2020 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
2021 #define IS_FONT_CHAR(X, Y) \
2022 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
2025 rxvt_term::scr_refresh (unsigned char refresh_type)
2027 unsigned char must_clear, /* use draw_string not draw_image_string */
2028 showcursor; /* show the cursor */
2029 int16_t col, row, /* column/row we're processing */
2030 ocrow; /* old cursor row */
2032 row_offset; /* basic offset in screen structure */
2033 #ifndef NO_CURSORCOLOR
2034 rend_t cc1; /* store colours at cursor position (s) */
2036 rend_t *crp; // cursor rendition pointer
2038 want_refresh = 0; /* screen is current */
2040 if (refresh_type == NO_REFRESH || !TermWin.mapped)
2049 row_offset = TermWin.saveLines - TermWin.view_start;
2052 must_clear |= (bgPixmap.pixmap != None);
2055 must_clear |= ((options & Opt_transparent) && am_transparent);
2057 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2060 * B: reverse any characters which are selected
2062 scr_reverse_selection ();
2065 * C: set the cursor character (s)
2068 unsigned char setoldcursor;
2069 rend_t ccol1, /* Cursor colour */
2070 ccol2; /* Cursor colour2 */
2072 showcursor = (screen.flags & Screen_VisibleCursor);
2080 int col = screen.cur.col;
2082 while (col && screen.text[screen.cur.row + TermWin.saveLines][col] == NOCHAR)
2085 crp = &screen.rend[screen.cur.row + TermWin.saveLines][col];
2087 if (showcursor && TermWin.focus)
2090 #ifndef NO_CURSORCOLOR
2091 cc1 = *crp & (RS_fgMask | RS_bgMask);
2092 if (ISSET_PIXCOLOR (Color_cursor))
2093 ccol1 = Color_cursor;
2095 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2096 ccol1 = GET_FGCOLOR (rstyle);
2100 if (ISSET_PIXCOLOR (Color_cursor2))
2101 ccol2 = Color_cursor2;
2103 #ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2104 ccol2 = GET_BGCOLOR (rstyle);
2108 *crp = SET_FGCOLOR (*crp, ccol1);
2109 *crp = SET_BGCOLOR (*crp, ccol2);
2114 /* make sure no outline cursor is left around */
2118 if (screen.cur.row + TermWin.view_start != ocrow
2119 || screen.cur.col != oldcursor.col)
2121 if (ocrow < TermWin.nrow
2122 && oldcursor.col < TermWin.ncol)
2123 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2125 if (TermWin.focus || !showcursor)
2131 else if (!TermWin.focus)
2136 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2140 oldcursor.row = screen.cur.row + TermWin.view_start;
2141 oldcursor.col = screen.cur.col;
2147 scr_swap_overlay ();
2150 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
2151 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
2153 #ifndef NO_SLOW_LINK_SUPPORT
2155 * D: CopyArea pass - very useful for slower links
2156 * This has been deliberately kept simple.
2159 if (!display->is_local
2160 && refresh_type == FAST_REFRESH && num_scr_allow && i
2161 && abs (i) < TermWin.nrow && !must_clear)
2169 row = i > 0 ? 0 : j - 1;
2170 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2172 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow)
2174 text_t *stp = screen.text[row + row_offset];
2175 rend_t *srp = screen.rend[row + row_offset];
2176 text_t *dtp = drawn_text[row];
2177 text_t *dtp2 = drawn_text[row + i];
2178 rend_t *drp = drawn_rend[row];
2179 rend_t *drp2 = drawn_rend[row + i];
2181 for (nits = 0, col = TermWin.ncol; col--; )
2182 if (stp[col] != dtp2[col] || srp[col] != drp2[col])
2184 else if (stp[col] != dtp[col] || srp[col] != drp[col])
2187 if (nits > 8) /* XXX: arbitrary choice */
2189 for (col = TermWin.ncol; col--; )
2205 /* also comes here at end if needed because of >= above */
2207 SWAP_IT (wlen, len, int);
2209 XCopyArea (display->display, TermWin.vt, TermWin.vt,
2210 TermWin.gc, 0, Row2Pixel (len + i),
2211 (unsigned int)TermWin_TotalWidth (),
2212 (unsigned int)Height2Pixel (wlen - len + 1),
2213 0, Row2Pixel (len));
2221 * E: main pass across every character
2223 for (row = 0; row < TermWin.nrow; row++)
2225 text_t *stp = screen.text[row + row_offset];
2226 rend_t *srp = screen.rend[row + row_offset];
2227 text_t *dtp = drawn_text[row];
2228 rend_t *drp = drawn_rend[row];
2231 * E2: OK, now the real pass
2233 int ypixel = (int)Row2Pixel (row);
2235 for (col = 0; col < TermWin.ncol; col++)
2237 /* compare new text with old - if exactly the same then continue */
2238 if (stp[col] == dtp[col] /* Must match characters to skip. */
2239 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2240 || (stp[col] == ' ' /* space w/ no background change */
2241 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2244 // redraw one or more characters
2246 // seek to the beginning if wide characters
2247 while (stp[col] == NOCHAR && col > 0)
2250 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2251 text_t *text = stp + col;
2254 dtp[col] = stp[col];
2257 int xpixel = Col2Pixel (col);
2259 for (i = 0; ++col < TermWin.ncol; )
2261 if (stp[col] == NOCHAR)
2263 dtp[col] = stp[col];
2271 if (!RS_SAME (rend, srp[col]))
2276 if (stp[col] != dtp[col]
2277 || !RS_SAME (srp[col], drp[col]))
2279 if (must_clear && (i++ > count / 2))
2282 dtp[col] = stp[col];
2286 else if (must_clear || (stp[col] != ' ' && ++i >= 16))
2290 col--; /* went one too far. move back */
2291 count -= i; /* dump any matching trailing chars */
2293 // sometimes we optimize away the trailing NOCHAR's, add them back
2294 while (i && text[count] == NOCHAR)
2298 // force redraw after "careful" characters to avoid pixel droppings
2299 if (srp[col] & RS_Careful && col < TermWin.ncol - 1 && 0)
2300 drp[col + 1] = ~srp[col + 1];
2302 // include previous careful character(s) if possible, looks nicer (best effort...)
2304 && srp[text - stp - 1] & RS_Careful
2305 && RS_SAME (rend, srp[text - stp - 1]))
2306 text--, count++, xpixel -= TermWin.fwidth;
2310 * Determine the attributes for the string
2312 int fore = GET_FGCOLOR (rend); // desired foreground
2313 int back = GET_BGCOLOR (rend); // desired background
2315 // only do special processing if ana attributes are set, which is rare
2316 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink))
2318 bool invert = rend & RS_RVid;
2320 #ifndef NO_BOLD_UNDERLINE_REVERSE
2322 && fore == Color_fg)
2324 if (ISSET_PIXCOLOR (Color_BD))
2332 if (rend & RS_Italic
2333 && fore == Color_fg)
2335 if (ISSET_PIXCOLOR (Color_IT))
2343 if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL))
2349 SWAP_IT (fore, back, int);
2351 #ifndef NO_BOLD_UNDERLINE_REVERSE
2352 if (ISSET_PIXCOLOR (Color_RV))
2358 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2360 if (!text_blink_ev.active)
2362 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2365 else if (hidden_text)
2372 * Actually do the drawing of the string here
2374 rxvt_font *font = (*TermWin.fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2377 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2378 TermWin.fwidth * count, TermWin.fheight,
2380 else if (back == Color_bg)
2384 CLEAR_CHARS (xpixel, ypixel, count);
2386 for (i = 0; i < count; i++) /* don't draw empty strings */
2389 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1);
2394 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg);
2397 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back);
2399 if (rend & RS_Uline && font->descent > 1 && fore != back)
2400 XDrawLine (display->display, drawBuffer, TermWin.gc,
2401 xpixel, ypixel + font->ascent + 1,
2402 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2403 } /* for (col....) */
2404 } /* for (row....) */
2407 scr_swap_overlay ();
2411 * G: cleanup cursor and display outline cursor if necessary
2418 #ifndef NO_CURSORCOLOR
2419 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2422 else if (oldcursor.row >= 0)
2424 #ifndef NO_CURSORCOLOR
2425 if (ISSET_PIXCOLOR (Color_cursor))
2426 XSetForeground (display->display, TermWin.gc, pix_colors[Color_cursor]);
2428 int cursorwidth = 1;
2429 while (oldcursor.col + cursorwidth < TermWin.ncol
2430 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2433 XDrawRectangle (display->display, drawBuffer, TermWin.gc,
2434 Col2Pixel (oldcursor.col),
2435 Row2Pixel (oldcursor.row),
2436 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2437 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1));
2442 * H: cleanup selection
2444 scr_reverse_selection ();
2446 if (refresh_type & SMOOTH_REFRESH)
2447 XFlush (display->display);
2454 rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp)
2459 for (int i = TermWin.ncol; i; i--, rp++, tp++)
2460 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
2464 rxvt_term::scr_remap_chars ()
2466 for (int i = TermWin.nrow + TermWin.saveLines; i--; )
2467 scr_remap_chars (screen.text[i], screen.rend[i]);
2469 for (int i = TermWin.nrow; i--; )
2471 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2472 scr_remap_chars (swap.text[i], swap.rend[i]);
2477 rxvt_term::scr_recolour ()
2488 XSetWindowBackground (display->display, TermWin.parent[0], pix_colors[Color_border]);
2489 XClearWindow (display->display, TermWin.parent[0]);
2490 XSetWindowBackground (display->display, TermWin.vt, pix_colors[Color_bg]);
2494 XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]);
2495 scrollBar.setIdle ();
2506 /* ------------------------------------------------------------------------- */
2508 rxvt_term::scr_clear (bool really)
2510 if (!TermWin.mapped)
2517 if ((options & Opt_transparent) && (am_pixmap_trans == 0))
2521 if (!(options & Opt_transparent_all))
2524 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2527 if (TermWin.parent[i] != None)
2528 XClearWindow (display->display, TermWin.parent[i]);
2533 XClearWindow (display->display, TermWin.vt);
2536 /* ------------------------------------------------------------------------- */
2538 rxvt_term::scr_reverse_selection ()
2540 if (selection.op && current_screen == selection.screen)
2542 int end_row = TermWin.saveLines - TermWin.view_start;
2543 int i = selection.beg.row + TermWin.saveLines;
2544 int col, row = selection.end.row + TermWin.saveLines;
2550 end_row += TermWin.nrow;
2552 for (; i <= row && i <= end_row; i++)
2553 for (srp = screen.rend[i], col = selection.beg.col; col < selection.end.col; col++)
2554 srp[col] ^= RS_RVid;
2560 col = selection.beg.col;
2567 end_row += TermWin.nrow;
2569 for (; i < row && i < end_row; i++, col = 0)
2570 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2571 srp[col] ^= RS_RVid;
2573 if (i == row && i < end_row)
2574 for (srp = screen.rend[i]; col < selection.end.col; col++)
2575 srp[col] ^= RS_RVid;
2580 /* ------------------------------------------------------------------------- */
2582 * Dump the whole scrollback and screen to the passed filedescriptor. The
2583 * invoking routine must close the fd.
2587 rxvt_term::scr_dump (int fd)
2590 unsigned int width, towrite;
2593 for (row = TermWin.saveLines - TermWin.nscrolled;
2594 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2596 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2598 for (towrite = width; towrite; towrite -= wrote)
2600 wrote = write (fd, & (screen.text[row][width - towrite]),
2603 return; /* XXX: death, no report */
2605 if (screen.tlen[row] >= 0)
2606 if (write (fd, r1, 1) <= 0)
2607 return; /* XXX: death, no report */
2612 /* ------------------------------------------------------------------------- *
2613 * CHARACTER SELECTION *
2614 * ------------------------------------------------------------------------- */
2617 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2620 rxvt_term::selection_check (int check_more)
2627 pos.row = pos.col = 0;
2628 if ((selection.beg.row < - (int32_t)TermWin.nscrolled)
2629 || (selection.beg.row >= TermWin.nrow)
2630 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2631 || (selection.mark.row >= TermWin.nrow)
2632 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2633 || (selection.end.row >= TermWin.nrow)
2635 && current_screen == selection.screen
2636 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2637 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2639 && ROWCOL_IS_BEFORE (selection.beg, pos)
2640 && ROWCOL_IS_AFTER (selection.end, pos))
2642 && ROWCOL_IS_AFTER (selection.end, pos))
2643 || (check_more == 4 /* screen width change */
2644 && (selection.beg.row != selection.end.row
2645 || selection.end.col > TermWin.ncol)))
2649 /* ------------------------------------------------------------------------- */
2651 * Paste a selection direct to the command fd
2654 rxvt_term::paste (const unsigned char *data, unsigned int len)
2656 unsigned int i, j, n;
2657 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2659 /* convert normal newline chars into common keyboard Return key sequence */
2660 for (i = 0; i < len; i += PROP_SIZE)
2662 n = min (len - i, PROP_SIZE);
2663 memcpy (ds, data + i, n);
2665 for (j = 0; j < n; j++)
2669 tt_write (ds, (int)n);
2675 /* ------------------------------------------------------------------------- */
2677 * Respond to a notification that a primary selection has been sent
2678 * EXT: SelectionNotify
2681 rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2684 unsigned long bytes_after;
2687 if (prop == None) /* check for failed XConvertSelection */
2689 if ((selection_type & Sel_CompoundText))
2691 int selnum = selection_type & Sel_whereMask;
2694 if (selnum != Sel_direct)
2695 selection_request_other (XA_STRING, selnum);
2698 if ((selection_type & Sel_UTF8String))
2700 int selnum = selection_type & Sel_whereMask;
2702 selection_type = Sel_CompoundText;
2703 if (selnum != Sel_direct)
2704 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2714 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2715 (long) (PROP_SIZE / 4), delete_prop,
2716 AnyPropertyType, &ct.encoding, &ct.format,
2717 &ct.nitems, &bytes_after,
2718 &ct.value) != Success)
2721 if (ct.encoding == 0)
2724 if (ct.encoding == xa[XA_INCR])
2726 // INCR selection, start handshake
2727 XDeleteProperty (display->display, win, prop);
2728 selection_wait = Sel_incr;
2729 incr_ev.start (NOW + 10);
2733 if (ct.value == NULL)
2738 if (selection_wait == Sel_normal && nread == 0
2739 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2742 * pass through again trying CUT_BUFFER0 if we've come from
2743 * XConvertSelection () but nothing was presented
2745 selection_paste (display->root, XA_CUT_BUFFER0, False);
2748 nread = -1; /* discount any previous stuff */
2756 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 && cl)
2758 for (int i = 0; i < cr; i++)
2759 paste ((unsigned char *)cl[i], strlen (cl[i]));
2761 XFreeStringList (cl);
2764 paste (ct.value, ct.nitems);
2766 if (bytes_after == 0)
2775 if (selection_wait == Sel_normal)
2776 selection_wait = Sel_none;
2782 rxvt_term::incr_cb (time_watcher &w)
2784 selection_wait = Sel_none;
2786 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2790 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2793 rxvt_term::selection_property (Window win, Atom prop)
2795 if (prop == None || selection_wait != Sel_incr)
2798 if (selection_paste (win, prop, 1) > 0)
2799 incr_ev.start (NOW + 10);
2802 selection_wait = Sel_none;
2807 /* ------------------------------------------------------------------------- */
2809 * Request the current selection:
2810 * Order: > internal selection if available
2811 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2813 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2814 * will auto fallback to CUT_BUFFER0
2815 * EXT: button 2 release
2818 rxvt_term::selection_request (Time tm, int x, int y)
2820 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2821 return; /* outside window */
2824 { /* internal selection */
2825 char *str = rxvt_wcstombs (selection.text, selection.len);
2826 paste ((unsigned char *)str, strlen (str));
2834 selection_request_time = tm;
2835 selection_wait = Sel_normal;
2837 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2839 #if X_HAVE_UTF8_STRING
2840 selection_type = Sel_UTF8String;
2841 if (selection_request_other (xa[XA_UTF8_STRING], i))
2844 selection_type = Sel_CompoundText;
2845 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2852 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2853 selection_paste (display->root, XA_CUT_BUFFER0, False);
2857 rxvt_term::selection_request_other (Atom target, int selnum)
2861 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2864 selection_type |= selnum;
2866 if (selnum == Sel_Primary)
2868 else if (selnum == Sel_Secondary)
2871 sel = xa[XA_CLIPBOARD];
2873 if (XGetSelectionOwner (display->display, sel) != None)
2875 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2876 TermWin.vt, selection_request_time);
2883 /* ------------------------------------------------------------------------- */
2885 * Clear all selected text
2886 * EXT: SelectionClear
2889 rxvt_term::selection_clear ()
2892 free (selection.text);
2893 selection.text = NULL;
2897 if (display->selection_owner == this)
2898 display->selection_owner = 0;
2901 /* ------------------------------------------------------------------------- */
2903 * Copy a selection into the cut buffer
2904 * EXT: button 1 or 3 release
2907 rxvt_term::selection_make (Time tm)
2909 int i, col, end_col, row, end_row;
2910 wchar_t *new_selection_text;
2913 switch (selection.op)
2915 case SELECTION_CONT:
2917 case SELECTION_INIT:
2920 case SELECTION_BEGIN:
2921 selection.op = SELECTION_DONE;
2927 selection.op = SELECTION_DONE;
2929 if (selection.clicks == 4)
2930 return; /* nothing selected, go away */
2932 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1);
2933 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2935 col = selection.beg.col;
2936 row = selection.beg.row + TermWin.saveLines;
2937 end_row = selection.end.row + TermWin.saveLines;
2941 for (; row <= end_row; row++, col = 0)
2943 end_col = screen.tlen[row];
2948 col = selection.beg.col;
2949 end_col = TermWin.ncol + 1;
2956 end_col = TermWin.ncol;
2958 if (row == end_row || selection.rect)
2959 MIN_IT (end_col, selection.end.col);
2961 t = &screen.text[row][col];
2962 for (; col < end_col; col++)
2966 #if ENABLE_COMBINING
2967 else if (IS_COMPOSE (*t))
2969 int len = rxvt_composite.expand (*t, 0);
2977 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));
2980 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2984 new_selection_text[ofs++] = *t++;
2987 if (screen.tlen[row] != -1 && row != end_row)
2988 new_selection_text[ofs++] = C0_LF;
2991 if (end_col != selection.end.col)
2992 new_selection_text[ofs++] = C0_LF;
2994 new_selection_text[ofs] = 0;
2998 free (new_selection_text);
3002 free (selection.text);
3004 // we usually allocate much more than necessary, so realloc it smaller again
3005 selection.len = ofs;
3006 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3008 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm);
3009 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt)
3010 display->set_selection_owner (this);
3012 rxvt_warn ("can't get primary selection, ignoring.\n");
3017 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
3019 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
3020 PropModeReplace, ct.value, ct.nitems);
3025 selection_time = tm;
3028 /* ------------------------------------------------------------------------- */
3030 * Mark or select text based upon number of clicks: 1, 2, or 3
3031 * EXT: button 1 press
3034 rxvt_term::selection_click (int clicks, int x, int y)
3036 clicks = ((clicks - 1) % 3) + 1;
3037 selection.clicks = clicks; /* save clicks so extend will work */
3039 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3041 if (clicks == 2 || clicks == 3)
3042 selection_extend_colrow (selection.mark.col,
3043 selection.mark.row + TermWin.view_start,
3045 1, /* button press */
3046 0); /* click change */
3049 /* ------------------------------------------------------------------------- */
3051 * Mark a selection at the specified col/row
3054 rxvt_term::selection_start_colrow (int col, int row)
3057 selection.mark.col = col;
3058 selection.mark.row = row - TermWin.view_start;
3060 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled);
3061 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1);
3062 MAX_IT (selection.mark.col, 0);
3063 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1);
3065 while (selection.mark.col > 0
3066 && screen.text[selection.mark.row + TermWin.saveLines][selection.mark.col] == NOCHAR)
3067 --selection.mark.col;
3070 { /* clear the old selection */
3071 selection.beg.row = selection.end.row = selection.mark.row;
3072 selection.beg.col = selection.end.col = selection.mark.col;
3075 selection.op = SELECTION_INIT;
3076 selection.screen = current_screen;
3079 /* ------------------------------------------------------------------------- */
3081 * Word select: select text for 2 clicks
3082 * We now only find out the boundary in one direction
3085 /* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3086 #define DELIMIT_TEXT(x) \
3087 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3088 #define DELIMIT_REND(x) 1
3091 rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)
3093 int col, row, dirnadd, tcol, trow, w1, w2;
3100 bound.row = TermWin.saveLines - TermWin.nscrolled - 1;
3106 bound.row = TermWin.saveLines + TermWin.nrow;
3107 bound.col = TermWin.ncol - 1;
3111 row = mark->row + TermWin.saveLines;
3114 /* find the edge of a word */
3115 stp = &screen.text[row][col];
3116 w1 = DELIMIT_TEXT (*stp);
3118 srp = &screen.rend[row][col];
3119 w2 = DELIMIT_REND (*srp);
3123 for (; col != bound.col; col += dirnadd)
3131 if (DELIMIT_TEXT (*stp) != w1)
3133 if (DELIMIT_REND (*srp) != w2)
3137 if ((col == bound.col) && (row != bound.row))
3139 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1)
3141 trow = row + dirnadd;
3142 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
3144 if (screen.text[trow] == NULL)
3147 stp = & (screen.text[trow][tcol]);
3148 srp = & (screen.rend[trow][tcol]);
3150 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3161 Old_Word_Selection_You_Die:
3163 col++; /* put us on one past the end */
3165 /* Poke the values back in */
3166 ret->row = row - TermWin.saveLines;
3170 /* ------------------------------------------------------------------------- */
3172 * Extend the selection to the specified x/y pixel location
3173 * EXT: button 3 press; button 1 or 3 drag
3174 * flag == 0 ==> button 1
3175 * flag == 1 ==> button 3 press
3176 * flag == 2 ==> button 3 motion
3179 rxvt_term::selection_extend (int x, int y, int flag)
3183 col = Pixel2Col (x);
3184 row = Pixel2Row (y);
3186 MIN_IT (row, (int)TermWin.nrow - 1);
3188 MIN_IT (col, (int)TermWin.ncol);
3191 * If we're selecting characters (single click) then we must check first
3192 * if we are at the same place as the original mark. If we are then
3193 * select nothing. Otherwise, if we're to the right of the mark, you have to
3194 * be _past_ a character for it to be selected.
3196 if (((selection.clicks % 3) == 1) && !flag
3197 && (col == selection.mark.col
3198 && (row == selection.mark.row + TermWin.view_start)))
3200 /* select nothing */
3201 selection.beg.row = selection.end.row = 0;
3202 selection.beg.col = selection.end.col = 0;
3203 selection.clicks = 4;
3208 if (selection.clicks == 4)
3209 selection.clicks = 1;
3211 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3212 flag == 1 ? 1 : 0, /* ? button press */
3213 0); /* no click change */
3216 /* ------------------------------------------------------------------------- */
3218 * Extend the selection to the specified col/row
3221 rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)
3223 int16_t ncol = TermWin.ncol;
3232 switch (selection.op)
3234 case SELECTION_INIT:
3236 selection.op = SELECTION_BEGIN;
3238 case SELECTION_BEGIN:
3239 if (row != selection.mark.row || col != selection.mark.col
3240 || (!button3 && buttonpress))
3241 selection.op = SELECTION_CONT;
3243 case SELECTION_DONE:
3244 selection.op = SELECTION_CONT;
3246 case SELECTION_CONT:
3248 case SELECTION_CLEAR:
3249 selection_start_colrow (col, row);
3255 if (selection.beg.col == selection.end.col
3256 && selection.beg.col != selection.mark.col
3257 && selection.beg.row == selection.end.row
3258 && selection.beg.row != selection.mark.row)
3260 selection.beg.col = selection.end.col = selection.mark.col;
3261 selection.beg.row = selection.end.row = selection.mark.row;
3267 pos.row -= TermWin.view_start; /* adjust for scroll */
3270 * This is mainly xterm style selection with a couple of differences, mainly
3271 * in the way button3 drag extension works.
3272 * We're either doing: button1 drag; button3 press; or button3 drag
3273 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3274 * is always at the left/right edge of the selection.
3275 * b) button3 press: extend/contract character/word/line at whichever edge of
3276 * the selection we are closest to.
3277 * c) button3 drag : extend/contract character/word/line - we select around
3278 * a point/word/line which is either the start or end of the selection
3279 * and it was decided by whichever point/word/line was `fixed' at the
3280 * time of the most recent button3 press
3282 if (button3 && buttonpress)
3283 { /* button3 press */
3285 * first determine which edge of the selection we are closest to
3287 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3288 || (!ROWCOL_IS_AFTER (pos, selection.end)
3289 && (((pos.col - selection.beg.col)
3290 + ((pos.row - selection.beg.row) * ncol))
3291 < ((selection.end.col - pos.col)
3292 + ((selection.end.row - pos.row) * ncol)))))
3295 if (closeto == LEFT)
3297 selection.beg.row = pos.row;
3298 selection.beg.col = pos.col;
3299 selection.mark.row = selection.end.row;
3300 selection.mark.col = selection.end.col - (selection.clicks == 2);
3304 selection.end.row = pos.row;
3305 selection.end.col = pos.col;
3306 selection.mark.row = selection.beg.row;
3307 selection.mark.col = selection.beg.col;
3311 { /* button1 drag or button3 drag */
3312 if (ROWCOL_IS_AFTER (selection.mark, pos))
3314 if (selection.mark.row == selection.end.row
3315 && selection.mark.col == selection.end.col
3317 && selection.clicks == 2)
3318 selection.mark.col--;
3320 selection.beg.row = pos.row;
3321 selection.beg.col = pos.col;
3322 selection.end.row = selection.mark.row;
3323 selection.end.col = selection.mark.col + (selection.clicks == 2);
3327 selection.beg.row = selection.mark.row;
3328 selection.beg.col = selection.mark.col;
3329 selection.end.row = pos.row;
3330 selection.end.col = pos.col;
3334 if (selection.clicks == 1)
3336 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3338 if (selection.beg.col > end_col
3344 selection.beg.col = ncol;
3346 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3349 selection.end.col > end_col
3355 selection.end.col = ncol;
3357 else if (selection.clicks == 2)
3359 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3360 selection.end.col--;
3362 selection_delimit_word (UP, &selection.beg, &selection.beg);
3363 selection_delimit_word (DN, &selection.end, &selection.end);
3365 else if (selection.clicks == 3)
3368 if ((options & Opt_tripleclickwords))
3372 selection_delimit_word (UP, & (selection.beg), & (selection.beg));
3373 end_row = screen.tlen[selection.mark.row + TermWin.saveLines];
3375 for (end_row = selection.mark.row; end_row < TermWin.nrow; end_row++)
3377 end_col = screen.tlen[end_row + TermWin.saveLines];
3381 selection.end.row = end_row;
3382 selection.end.col = end_col;
3383 selection_remove_trailing_spaces ();
3391 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3392 selection.mark.col++;
3394 selection.beg.col = 0;
3395 selection.end.col = ncol;
3399 if (button3 && buttonpress)
3400 { /* mark may need to be changed */
3401 if (closeto == LEFT)
3403 selection.mark.row = selection.end.row;
3404 selection.mark.col = selection.end.col - (selection.clicks == 2);
3408 selection.mark.row = selection.beg.row;
3409 selection.mark.col = selection.beg.col;
3414 if (selection.rect && selection.beg.col > selection.end.col)
3415 SWAP_IT (selection.beg.col, selection.end.col, int);
3421 rxvt_term::selection_remove_trailing_spaces ()
3423 int32_t end_col, end_row;
3426 end_col = selection.end.col;
3427 end_row = selection.end.row;
3429 for ( ; end_row >= selection.beg.row; )
3431 stp = screen.text[end_row + TermWin.saveLines];
3433 while (--end_col >= 0)
3435 if (stp[end_col] != ' '
3436 && stp[end_col] != '\t'
3437 && stp[end_col] != NOCHAR)
3442 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1)
3444 selection.end.col = end_col + 1;
3445 selection.end.row = end_row;
3450 end_col = TermWin.ncol;
3453 if (selection.mark.row > selection.end.row)
3455 selection.mark.row = selection.end.row;
3456 selection.mark.col = selection.end.col;
3458 else if (selection.mark.row == selection.end.row
3459 && selection.mark.col > selection.end.col)
3460 selection.mark.col = selection.end.col;
3464 /* ------------------------------------------------------------------------- */
3466 * Double click on button 3 when already selected
3467 * EXT: button 3 double click
3470 rxvt_term::selection_rotate (int x, int y)
3472 selection.clicks = selection.clicks % 3 + 1;
3473 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3476 /* ------------------------------------------------------------------------- */
3478 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3479 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3482 typedef CARD32 Atom32;
3484 /* ------------------------------------------------------------------------- */
3486 * Respond to a request for our current selection
3487 * EXT: SelectionRequest
3490 rxvt_term::selection_send (const XSelectionRequestEvent &rq)
3494 XICCEncodingStyle style;
3497 ev.type = SelectionNotify;
3499 ev.display = rq.display;
3500 ev.requestor = rq.requestor;
3501 ev.selection = rq.selection;
3502 ev.target = rq.target;
3505 if (rq.target == xa[XA_TARGETS])
3507 Atom32 target_list[6];
3508 Atom32 *target = target_list;
3510 *target++ = (Atom32) xa[XA_TARGETS];
3511 *target++ = (Atom32) xa[XA_TIMESTAMP];
3512 *target++ = (Atom32) XA_STRING;
3513 *target++ = (Atom32) xa[XA_TEXT];
3514 *target++ = (Atom32) xa[XA_COMPOUND_TEXT];
3515 #if X_HAVE_UTF8_STRING
3516 *target++ = (Atom32) xa[XA_UTF8_STRING];
3519 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM,
3520 (8 * sizeof (target_list[0])), PropModeReplace,
3521 (unsigned char *)target_list,
3522 target - target_list);
3523 ev.property = rq.property;
3526 else if (rq.target == xa[XA_MULTIPLE])
3528 /* TODO: Handle MULTIPLE */
3531 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3533 XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER,
3534 (8 * sizeof (Time)), PropModeReplace,
3535 (unsigned char *)&selection_time, 1);
3536 ev.property = rq.property;
3538 else if (rq.target == XA_STRING
3539 || rq.target == xa[XA_TEXT]
3540 || rq.target == xa[XA_COMPOUND_TEXT]
3541 || rq.target == xa[XA_UTF8_STRING]
3550 if (target == XA_STRING)
3551 // we actually don't do XA_STRING, but who cares, as i18n clients
3552 // will ask for another format anyways.
3553 style = XStringStyle;
3554 else if (target == xa[XA_TEXT])
3555 style = XStdICCTextStyle;
3556 else if (target == xa[XA_COMPOUND_TEXT])
3557 style = XCompoundTextStyle;
3558 #if X_HAVE_UTF8_STRING
3559 else if (target == xa[XA_UTF8_STRING])
3560 style = XUTF8StringStyle;
3564 target = xa[XA_COMPOUND_TEXT];
3565 style = XCompoundTextStyle;
3570 cl = selection.text;
3571 selectlen = selection.len;
3579 // Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it
3580 // manually for XUTF8StringStyle.
3581 if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0)
3585 /* if we failed to convert then send it raw */
3586 ct.value = (unsigned char *)cl;
3587 ct.nitems = selectlen;
3590 XChangeProperty (display->display, rq.requestor, rq.property,
3591 target, 8, PropModeReplace,
3592 ct.value, (int)ct.nitems);
3593 ev.property = rq.property;
3599 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev);
3602 /* ------------------------------------------------------------------------- *
3604 * ------------------------------------------------------------------------- */
3607 * return col/row values corresponding to x/y pixel values
3610 rxvt_term::pixel_position (int *x, int *y)
3612 *x = Pixel2Col (*x);
3613 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3614 *y = Pixel2Row (*y);
3615 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3618 /* ------------------------------------------------------------------------- */
3621 rxvt_term::im_set_position (XPoint &pos)
3623 XWindowAttributes xwa;
3625 XGetWindowAttributes (display->display, TermWin.vt, &xwa);
3627 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3628 pos.y = xwa.y + Height2Pixel (screen.cur.row) + TermWin.fbase;
3634 rxvt_term::scr_overlay_new (int x, int y, int w, int h)
3636 if (TermWin.nrow < 3 || TermWin.ncol < 3)
3643 if (x < 0) x = TermWin.ncol - w;
3644 if (y < 0) y = TermWin.nrow - h;
3646 // make space for border
3647 w += 2; MIN_IT (w, TermWin.ncol);
3648 h += 2; MIN_IT (h, TermWin.nrow);
3650 x -= 1; MAX_IT (x, 0);
3651 y -= 1; MAX_IT (y, 0);
3653 MIN_IT (x, TermWin.ncol - w);
3654 MIN_IT (y, TermWin.nrow - h);
3659 ov_text = new text_t *[h];
3660 ov_rend = new rend_t *[h];
3662 for (y = 0; y < h; y++)
3664 text_t *tp = ov_text[y] = new text_t[w];
3665 rend_t *rp = ov_rend[y] = new rend_t[w];
3668 rend_t r = OVERLAY_RSTYLE;
3671 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3673 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3675 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3680 for (x = w - 2; x > 0; --x)
3692 rxvt_term::scr_overlay_off ()
3699 for (int y = 0; y < ov_h; y++)
3701 delete [] ov_text[y];
3702 delete [] ov_rend[y];
3705 delete [] ov_text; ov_text = 0;
3706 delete [] ov_rend; ov_rend = 0;
3710 rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)
3712 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3717 ov_text[y][x] = text;
3718 ov_rend[y][x] = rend;
3722 rxvt_term::scr_overlay_set (int x, int y, const char *s)
3725 scr_overlay_set (x++, y, *s++);
3729 rxvt_term::scr_swap_overlay ()
3734 int row_offset = ov_y + TermWin.saveLines - TermWin.view_start;
3736 // swap screen mem with overlay
3737 for (int y = ov_h; y--; )
3739 text_t *t1 = ov_text[y];
3740 rend_t *r1 = ov_rend[y];
3742 text_t *t2 = screen.text[y + row_offset] + ov_x;
3743 rend_t *r2 = screen.rend[y + row_offset] + ov_x;
3745 for (int x = ov_w; x--; )
3747 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3748 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3754 /* ------------------------------------------------------------------------- */