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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.348 by sf-exg, Sat Oct 9 22:33:45 2010 UTC vs.
Revision 1.433 by sf-exg, Thu Jan 31 08:07:14 2013 UTC

1/*---------------------------------------------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 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 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 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */ 29#include "rxvtperl.h" /* NECESSARY */
30 30
31#include <inttypes.h> 31#include <inttypes.h>
32 32
33#include "salloc.C" // HACK, should be a separate compile!
34
35static inline void 33static inline void
36fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
37{ 35{
38 while (len--) 36 while (len--)
39 *start++ = value; 37 *start++ = value;
40} 38}
41 39
42/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 256*1024
44#define PASTE_SIZE 32768
45#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
46 42
47/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
… …
100 96
101/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
102void 98void
103rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
104{ 100{
105 if (!l.t) 101 if (!l.valid ())
106 { 102 {
107 lalloc (l); 103 l.alloc ();
108 col = 0; 104 col = 0;
109 width = ncol; 105 width = ncol;
110 } 106 }
111 107
112 l.touch (); 108 l.touch ();
… …
143 while (col > 0 && l.t[col] == NOCHAR) 139 while (col > 0 && l.t[col] == NOCHAR)
144 col--; 140 col--;
145 141
146 rend_t rend = l.r[col] & ~RS_baseattrMask; 142 rend_t rend = l.r[col] & ~RS_baseattrMask;
147 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
148 146
149 // found start, nuke 147 // found start, nuke
150 do { 148 do {
151 l.t[col] = ' '; 149 l.t[col] = ' ';
152 l.r[col] = rend; 150 l.r[col] = rend;
153 col++; 151 col++;
154 } while (col < ncol && l.t[col] == NOCHAR); 152 } while (col < ncol && l.t[col] == NOCHAR);
155} 153}
156 154
155// set the rendition of a single wide character beginning at the given column
156void
157rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
158{
159 do {
160 l.r[col] = rend;
161 col++;
162 } while (col < ncol && l.t[col] == NOCHAR);
163}
164
157/* ------------------------------------------------------------------------- * 165/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 166 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 167 * ------------------------------------------------------------------------- */
160 168
161void 169void
170rxvt_term::scr_alloc () NOTHROW
171{
172 int tsize = sizeof (text_t) * ncol;
173 int rsize = sizeof (rend_t) * ncol;
174
175 // we assume that rend_t size is a sufficient alignment
176 // factor for text_t and line_t values, and we only
177 // need to adjust tsize.
178 tsize = (tsize + sizeof (rend_t) - 1);
179 tsize -= tsize % sizeof (rend_t);
180
181 int all_rows = total_rows + nrow + nrow;
182
183 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
184 chunk = chunk_alloc (chunk_size, 0);
185
186 char *base = (char *)chunk + sizeof (line_t) * all_rows;
187
188 for (int row = 0; row < all_rows; ++row)
189 {
190 line_t &l = ((line_t *)chunk) [row];
191
192 l.t = (text_t *)base; base += tsize;
193 l.r = (rend_t *)base; base += rsize;
194 l.l = -1;
195 l.f = 0;
196 }
197
198 drawn_buf = (line_t *)chunk;
199 swap_buf = drawn_buf + nrow;
200 row_buf = swap_buf + nrow;
201}
202
203void
204rxvt_term::copy_line (line_t &dst, line_t &src)
205{
206 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
207 dst.l = min (src.l, ncol);
208 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
209 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
210 dst.f = src.f;
211}
212
213void ecb_cold
162rxvt_term::scr_reset () 214rxvt_term::scr_reset ()
163{ 215{
216#if ENABLE_OVERLAY
217 scr_overlay_off ();
218#endif
219
164 view_start = 0; 220 view_start = 0;
165 num_scr = 0; 221 num_scr = 0;
166 222
167 if (ncol == 0) 223 if (ncol == 0)
168 ncol = 80; 224 ncol = 80;
… …
188 total_rows = nrow + saveLines; 244 total_rows = nrow + saveLines;
189 245
190 screen.tscroll = 0; 246 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 247 screen.bscroll = nrow - 1;
192 248
249 void *prev_chunk = chunk;
250 size_t prev_chunk_size = chunk_size;
251 line_t *prev_drawn_buf = drawn_buf;
252 line_t *prev_swap_buf = swap_buf;
253 line_t *prev_row_buf = row_buf;
254
255 scr_alloc ();
256
193 if (!row_buf) 257 if (!prev_row_buf)
194 { 258 {
195 /* 259 /*
196 * first time called so just malloc everything: don't rely on realloc 260 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
197 */ 261 */
198 top_row = 0; 262 top_row = 0;
199 term_start = 0; 263 term_start = 0;
200
201 talloc = new rxvt_salloc (ncol * sizeof (text_t));
202 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203
204 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207
208 for (int row = nrow; row--; )
209 {
210 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213 }
214 264
215 memset (charsets, 'B', sizeof (charsets)); 265 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 266 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 267 screen.flags = Screen_DefaultFlags;
218 screen.cur.row = screen.cur.col = 0; 268 screen.cur.row = screen.cur.col = 0;
… …
241 { 291 {
242 /* 292 /*
243 * add or delete rows as appropriate 293 * add or delete rows as appropriate
244 */ 294 */
245 295
246 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
249#if 0
250 if (nrow < prev_nrow)
251 {
252 for (int row = nrow; row < prev_nrow; row++)
253 {
254 lfree (swap_buf [row]);
255 lfree (drawn_buf[row]);
256 }
257 }
258#endif
259
260 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
261 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262
263 for (int row = min (nrow, prev_nrow); row--; ) 296 for (int row = min (nrow, prev_nrow); row--; )
264 { 297 {
265 lresize (drawn_buf[row]); 298 copy_line (drawn_buf [row], prev_drawn_buf [row]);
266 lresize (swap_buf [row]); 299 copy_line (swap_buf [row], prev_swap_buf [row]);
267 }
268
269 for (int row = prev_nrow; row < nrow; row++)
270 { 300 }
271 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
272 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
273 }
274
275 line_t *old_buf = row_buf;
276 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
277 301
278 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 302 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279 int pend = MOD (term_start + top_row , prev_total_rows); 303 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row 304 int q = total_rows; // rewrapped row
281 305
… …
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 313 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290 314
291 do 315 do
292 { 316 {
293 p = MOD (p - 1, prev_total_rows); 317 p = MOD (p - 1, prev_total_rows);
294 assert (old_buf [MOD (p, prev_total_rows)].t); 318 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295 int plines = 1; 319 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 320 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297 321
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 322 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299 { 323 {
300 p = MOD (p - 1, prev_total_rows); 324 p = MOD (p - 1, prev_total_rows);
301 325
302 plines++; 326 plines++;
303 llen += prev_ncol; 327 llen += prev_ncol;
… …
316 340
317 // re-assemble the full line by destination lines 341 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 342 for (int qrow = q; qlines--; qrow++)
319 { 343 {
320 qline = row_buf + qrow; 344 qline = row_buf + qrow;
321 lalloc (*qline); 345 qline->alloc (); // redundant with next line
322 qline->l = ncol; 346 qline->l = ncol;
323 qline->is_longer (1); 347 qline->is_longer (1);
324 348
325 int qcol = 0; 349 int qcol = 0;
326 350
… …
341 // this seems to upset applications/shells/readline 365 // this seems to upset applications/shells/readline
342 // least. 366 // least.
343 if (prow == ocur.row) 367 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow); 368 screen.cur.row = q - (total_rows - nrow);
345 369
346 line_t &pline = old_buf [prow]; 370 line_t &pline = prev_row_buf [prow];
347 371
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 372 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349 373
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 374 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 375 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
… …
372 { 396 {
373 // if no scrollback exists (yet), wing, instead of wrap 397 // if no scrollback exists (yet), wing, instead of wrap
374 398
375 for (int row = min (nrow, prev_nrow); row--; ) 399 for (int row = min (nrow, prev_nrow); row--; )
376 { 400 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 401 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378 line_t &qline = row_buf [row]; 402 line_t &dst = row_buf [row];
379 403
380 qline = pline; 404 copy_line (dst, src);
381 lresize (qline);
382 } 405 }
383 406
384 for (int row = prev_nrow; row < nrow; row++) 407 for (int row = prev_nrow; row < nrow; row++)
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 408 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 }
388 409
389 term_start = 0; 410 term_start = 0;
390 } 411 }
391
392 free (old_buf);
393 delete old_ta;
394 delete old_ra;
395 412
396 clamp_it (screen.cur.row, 0, nrow - 1); 413 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1); 414 clamp_it (screen.cur.col, 0, ncol - 1);
398 } 415 }
399 416
417 for (int row = nrow; row--; )
418 {
419 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
420 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
421 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
422 }
423
424 chunk_free (prev_chunk, prev_chunk_size);
425
400 free (tabs); 426 free (tabs);
401 tabs = (char *)rxvt_malloc (ncol); 427 tabs = (char *)rxvt_malloc (ncol);
402 428
403 for (int col = ncol; --col; ) 429 for (int col = ncol; col--; )
404 tabs [col] = col % TABSIZE == 0; 430 tabs [col] = col % TABSIZE == 0;
405 431
406 CLEAR_ALL_SELECTION (); 432 CLEAR_ALL_SELECTION ();
407 433
408 prev_nrow = nrow; 434 prev_nrow = nrow;
… …
411 tt_winch (); 437 tt_winch ();
412 438
413 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 439 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414} 440}
415 441
416/* ------------------------------------------------------------------------- */ 442void ecb_cold
417/*
418 * Free everything. That way malloc debugging can find leakage.
419 */
420void
421rxvt_term::scr_release () NOTHROW 443rxvt_term::scr_release () NOTHROW
422{ 444{
423 if (row_buf) 445 chunk_free (chunk, chunk_size);
424 { 446 chunk = 0;
425 delete talloc; talloc = 0; 447 row_buf = 0;
426 delete ralloc; ralloc = 0;
427 448
428 free (row_buf);
429 free (swap_buf);
430 free (drawn_buf);
431 row_buf = 0; // signal that we freed all the arrays above
432
433 free (tabs); 449 free (tabs);
434 tabs = 0; 450 tabs = 0;
435 }
436} 451}
437 452
438/* ------------------------------------------------------------------------- */ 453/* ------------------------------------------------------------------------- */
439/* 454/*
440 * Hard/Soft reset 455 * Hard/Soft reset
441 */ 456 */
442void 457void ecb_cold
443rxvt_term::scr_poweron () 458rxvt_term::scr_poweron ()
444{ 459{
445 scr_release (); 460 scr_release ();
461
446 prev_nrow = prev_ncol = 0; 462 prev_nrow = prev_ncol = 0;
447 rvideo_mode = false; 463 rvideo_mode = false;
448 scr_soft_reset (); 464 scr_soft_reset ();
449 scr_reset (); 465 scr_reset ();
450 466
451 scr_clear (true); 467 scr_clear (true);
452 scr_refresh (); 468 scr_refresh ();
453} 469}
454 470
455void 471void ecb_cold
456rxvt_term::scr_soft_reset () 472rxvt_term::scr_soft_reset () NOTHROW
457{ 473{
458 /* only affects modes, nothing drastic such as clearing the screen */ 474 /* only affects modes, nothing drastic such as clearing the screen */
459#if ENABLE_OVERLAY 475#if ENABLE_OVERLAY
460 scr_overlay_off (); 476 scr_overlay_off ();
461#endif 477#endif
… …
516 assert (s->cur.row >= 0); 532 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 533 assert (s->cur.col >= 0);
518} 534}
519 535
520void 536void
521rxvt_term::scr_swap_screen () 537rxvt_term::scr_swap_screen () NOTHROW
522{ 538{
523 if (!option (Opt_secondaryScreen)) 539 if (!option (Opt_secondaryScreen))
524 return; 540 return;
525 541
526 for (int i = prev_nrow; i--; ) 542 for (int i = prev_nrow; i--; )
… …
545 return; 561 return;
546 562
547 want_refresh = 1; 563 want_refresh = 1;
548 view_start = 0; 564 view_start = 0;
549 565
550 selection_check (2); /* check for boundary cross */ 566 /* check for boundary cross */
567 row_col_t pos;
568 pos.row = pos.col = 0;
569 if (ROWCOL_IS_BEFORE (selection.beg, pos)
570 && ROWCOL_IS_AFTER (selection.end, pos))
571 CLEAR_SELECTION ();
551 572
552 current_screen = scrn; 573 current_screen = scrn;
553 574
554#if NSCREENS 575#if NSCREENS
555 if (option (Opt_secondaryScreen)) 576 if (option (Opt_secondaryScreen))
… …
621/* 642/*
622 * Scroll text between <row1> and <row2> inclusive, by <count> lines 643 * Scroll text between <row1> and <row2> inclusive, by <count> lines
623 * count positive ==> scroll up 644 * count positive ==> scroll up
624 * count negative ==> scroll down 645 * count negative ==> scroll down
625 */ 646 */
626int 647int ecb_hot
627rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 648rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628{ 649{
629 if (count == 0 || (row1 > row2)) 650 if (count == 0 || (row1 > row2))
630 return 0; 651 return 0;
631 652
… …
634 655
635 if (count > 0 656 if (count > 0
636 && row1 == 0 657 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 658 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 { 659 {
660 min_it (count, total_rows - (nrow - (row2 + 1)));
661
639 top_row = max (top_row - count, -saveLines); 662 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643 663
644 // sever bottommost line 664 // sever bottommost line
645 { 665 {
646 line_t &l = ROW(row2 - count); 666 line_t &l = ROW(row2);
647 l.is_longer (0); 667 l.is_longer (0);
648 l.touch (); 668 l.touch ();
649 } 669 }
650 670
671 // scroll everything up 'count' lines
672 term_start = (term_start + count) % total_rows;
673
674 // now copy lines below the scroll region bottom to the
675 // bottom of the screen again, so they look as if they
676 // hadn't moved.
677 for (int i = nrow; --i > row2; )
678 {
679 line_t &l1 = ROW(i - count);
680 line_t &l2 = ROW(i);
681
682 ::swap (l1, l2);
683 l2.touch ();
684 }
685
651 // erase newly scrolled-in lines 686 // erase newly scrolled-in lines
652 for (int i = count; i--; ) 687 for (int i = count; i--; )
653 { 688 {
654 line_t &l = ROW(nrow - 1 - i); 689 line_t &l = ROW(row2 - i);
655 690
656 // optimize if already cleared, can be significant on slow machines 691 // optimise if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem 692 // could be rolled into scr_blank_screen_mem
658 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 693 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 { 694 {
660 scr_blank_line (l, 0, l.l, rstyle); 695 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0; 696 l.l = 0;
… …
663 } 698 }
664 else 699 else
665 scr_blank_screen_mem (l, rstyle); 700 scr_blank_screen_mem (l, rstyle);
666 } 701 }
667 702
668 // now copy lines below the scroll region bottom to the
669 // bottom of the screen again, so they look as if they
670 // hadn't moved.
671 for (int i = nrow; --i > row2; )
672 {
673 line_t &l1 = ROW(i - count);
674 line_t &l2 = ROW(i);
675
676 ::swap (l1, l2);
677 l2.touch ();
678 }
679
680 // move and/or clear selection, if any 703 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen) 704 if (selection.op && current_screen == selection.screen
705 && selection.beg.row <= row2)
682 { 706 {
683 selection.beg.row -= count; 707 selection.beg.row -= count;
684 selection.end.row -= count; 708 selection.end.row -= count;
685 selection.mark.row -= count; 709 selection.mark.row -= count;
686 710
687 if (selection.beg.row < top_row 711 selection_check (0);
688 || selection.end.row < top_row
689 || selection.mark.row < top_row)
690 {
691 CLEAR_ALL_SELECTION ();
692 selection.op = SELECTION_CLEAR;
693 }
694 } 712 }
695 713
696 // finally move the view window, if desired 714 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 715 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 716 && view_start != 0
… …
728 } 746 }
729 747
730 // use a simple and robust scrolling algorithm, this 748 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical. 749 // part of scr_scroll_text is not time-critical.
732 750
751 // sever line above scroll region
752 if (row1)
753 {
754 line_t &l = ROW(row1 - 1);
755 l.is_longer (0);
756 l.touch ();
757 }
758
733 int rows = row2 - row1 + 1; 759 int rows = row2 - row1 + 1;
734 760
735 min_it (count, rows); 761 min_it (count, rows);
736 762
737 line_t *temp_buf = row_buf + total_rows; 763 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738 764
739 for (int row = 0; row < rows; row++) 765 for (int row = 0; row < rows; row++)
740 { 766 {
741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 767 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742 768
… …
744 scr_blank_screen_mem (temp_buf [row], rstyle); 770 scr_blank_screen_mem (temp_buf [row], rstyle);
745 } 771 }
746 772
747 for (int row = 0; row < rows; row++) 773 for (int row = 0; row < rows; row++)
748 ROW(row1 + row) = temp_buf [row]; 774 ROW(row1 + row) = temp_buf [row];
775
776 // sever bottommost line
777 {
778 line_t &l = ROW(row2);
779 l.is_longer (0);
780 l.touch ();
781 }
749 } 782 }
750 783
751 return count; 784 return count;
752} 785}
753 786
754/* ------------------------------------------------------------------------- */ 787/* ------------------------------------------------------------------------- */
755/* 788/*
756 * Add text given in <str> of length <len> to screen struct 789 * Add text given in <str> of length <len> to screen struct
757 */ 790 */
758void 791void ecb_hot
759rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 792rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760{ 793{
761 if (len <= 0) /* sanity */ 794 if (len <= 0) /* sanity */
762 return; 795 return;
763 796
764 unsigned char checksel; 797 bool checksel;
765 unicode_t c; 798 unicode_t c;
766 int ncol = this->ncol; 799 int ncol = this->ncol;
767 const wchar_t *strend = str + len; 800 const wchar_t *strend = str + len;
768 801
769 want_refresh = 1; 802 want_refresh = 1;
… …
795 828
796 while (str < strend) 829 while (str < strend)
797 { 830 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 831 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 832
800 if (expect_false (c < 0x20)) 833 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 834 if (c == C0_LF)
802 { 835 {
803 max_it (line->l, screen.cur.col); 836 max_it (line->l, screen.cur.col);
804 837
805 screen.flags &= ~Screen_WrapNext; 838 screen.flags &= ~Screen_WrapNext;
… …
824 { 857 {
825 scr_tab (1, true); 858 scr_tab (1, true);
826 continue; 859 continue;
827 } 860 }
828 861
829 if (expect_false ( 862 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 863 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 864 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 865 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 866 ))
834 { 867 {
… …
839 * should be a similar check. 872 * should be a similar check.
840 */ 873 */
841 CLEAR_SELECTION (); 874 CLEAR_SELECTION ();
842 } 875 }
843 876
844 if (expect_false (screen.flags & Screen_WrapNext)) 877 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 878 {
846 scr_do_wrap (); 879 scr_do_wrap ();
847 880
848 line->l = ncol; 881 line->l = ncol;
849 line->is_longer (1); 882 line->is_longer (1);
… …
851 row = screen.cur.row; 884 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 885 line = &ROW(row); /* _must_ refresh */
853 } 886 }
854 887
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 888 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 889 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 890 c = 0xfffd;
858 891
859 // rely on wcwidth to tell us the character width, do wcwidth before 892 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line 893 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 894 // drawing characters below as they might be invalid in the current
862 // locale. 895 // locale.
863 int width = WCWIDTH (c); 896 int width = WCWIDTH (c);
864 897
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 898 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 899 {
867 // vt100 special graphics and line drawing 900 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 901 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 902 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 903 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
883 c = vt100_0[c - 0x41]; 916 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 917 width = 1; // vt100 line drawing characters are always single-width
885 } 918 }
886 } 919 }
887 920
888 if (expect_false (screen.flags & Screen_Insert)) 921 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 922 scr_insdel_chars (width, INSERT);
890 923
891 if (width != 0) 924 if (width != 0)
892 { 925 {
893#if !UNICODE_3 926#if !UNICODE_3
… …
898# else 931# else
899 c = 0xfffd; 932 c = 0xfffd;
900# endif 933# endif
901#endif 934#endif
902 935
903 // nuke the character at this position, if required
904 if (expect_false (
905 line->t[screen.cur.col] == NOCHAR
906 || (screen.cur.col < ncol - 1
907 && line->t[screen.cur.col + 1] == NOCHAR)
908 ))
909 scr_kill_char (*line, screen.cur.col);
910
911 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 936 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
912 937
913 // if the character doesn't fit into the remaining columns... 938 // if the character doesn't fit into the remaining columns...
914 if (expect_false (screen.cur.col > ncol - width && ncol >= width)) 939 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
915 { 940 {
916 if (screen.flags & Screen_Autowrap) 941 if (screen.flags & Screen_Autowrap)
917 { 942 {
918 // ... artificially enlargen the previous one 943 // ... artificially enlargen the previous one
919 c = NOCHAR; 944 c = NOCHAR;
… …
922 } 947 }
923 else 948 else
924 screen.cur.col = ncol - width; 949 screen.cur.col = ncol - width;
925 } 950 }
926 951
952 // nuke the character at this position, if required
953 // due to wonderful coincidences everywhere else in this loop
954 // we never have to check for overwriting a wide char itself,
955 // only its tail.
956 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
957 scr_kill_char (*line, screen.cur.col);
958
927 line->touch (); 959 line->touch ();
928 960
929 do 961 do
930 { 962 {
931 line->t[screen.cur.col] = c; 963 line->t[screen.cur.col] = c;
932 line->r[screen.cur.col] = rend; 964 line->r[screen.cur.col] = rend;
933 965
934 if (expect_true (screen.cur.col < ncol - 1)) 966 if (ecb_likely (screen.cur.col < ncol - 1))
935 screen.cur.col++; 967 screen.cur.col++;
936 else 968 else
937 { 969 {
938 line->l = ncol; 970 line->l = ncol;
939 if (screen.flags & Screen_Autowrap) 971 if (screen.flags & Screen_Autowrap)
940 screen.flags |= Screen_WrapNext; 972 screen.flags |= Screen_WrapNext;
941 break; 973
974 goto end_of_line;
942 } 975 }
943 976
944 c = NOCHAR; 977 c = NOCHAR;
945 } 978 }
946 while (expect_false (--width > 0)); 979 while (ecb_unlikely (--width > 0));
947 980
948 // pad with spaces when overwriting wide character with smaller one 981 // pad with spaces when overwriting wide character with smaller one
949 if (expect_false (!width)) 982 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950 { 983 {
951 line->touch ();
952
953 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
954 {
955 line->t[c] = ' '; 984 line->t[c] = ' ';
956 line->r[c] = rend; 985 line->r[c] = rend;
957 }
958 } 986 }
987
988end_of_line:
989 ;
959 } 990 }
960#if ENABLE_COMBINING 991#if ENABLE_COMBINING
961 else // width == 0 992 else // width == 0
962 { 993 {
963 if (c != 0xfeff) // ignore BOM 994 if (c != 0xfeff) // ignore BOM
… …
1026 1057
1027 want_refresh = 1; 1058 want_refresh = 1;
1028#endif 1059#endif
1029 } 1060 }
1030 } 1061 }
1062 else if (screen.flags & Screen_WrapNext)
1063 screen.flags &= ~Screen_WrapNext;
1031 else 1064 else
1032 scr_gotorc (0, -1, RELATIVE); 1065 scr_gotorc (0, -1, RELATIVE);
1033} 1066}
1034 1067
1035/* ------------------------------------------------------------------------- */ 1068/* ------------------------------------------------------------------------- */
… …
1113 * XTERM_SEQ: ESC 6 1146 * XTERM_SEQ: ESC 6
1114 * Move cursor left in row. If we're at the left boundary, shift everything 1147 * Move cursor left in row. If we're at the left boundary, shift everything
1115 * in that row right. Clear left column. 1148 * in that row right. Clear left column.
1116 */ 1149 */
1117#if !ENABLE_MINIMAL 1150#if !ENABLE_MINIMAL
1118void 1151void ecb_cold
1119rxvt_term::scr_backindex () NOTHROW 1152rxvt_term::scr_backindex () NOTHROW
1120{ 1153{
1121 if (screen.cur.col > 0) 1154 if (screen.cur.col > 0)
1122 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1155 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1123 else 1156 else
… …
1130 * XTERM_SEQ: ESC 9 1163 * XTERM_SEQ: ESC 9
1131 * Move cursor right in row. If we're at the right boundary, shift everything 1164 * Move cursor right in row. If we're at the right boundary, shift everything
1132 * in that row left. Clear right column. 1165 * in that row left. Clear right column.
1133 */ 1166 */
1134#if !ENABLE_MINIMAL 1167#if !ENABLE_MINIMAL
1135void 1168void ecb_cold
1136rxvt_term::scr_forwardindex () NOTHROW 1169rxvt_term::scr_forwardindex () NOTHROW
1137{ 1170{
1138 if (screen.cur.col < ncol - 1) 1171 if (screen.cur.col < ncol - 1)
1139 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1172 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1140 else 1173 else
… …
1291 scr_blank_line (line, col, num, rstyle); 1324 scr_blank_line (line, col, num, rstyle);
1292} 1325}
1293 1326
1294/* ------------------------------------------------------------------------- */ 1327/* ------------------------------------------------------------------------- */
1295/* 1328/*
1296 * Erase part of whole of the screen 1329 * Erase part or whole of the screen
1297 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1330 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1331 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1332 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300 */ 1333 */
1301void 1334void
… …
1310 ZERO_SCROLLBACK (); 1343 ZERO_SCROLLBACK ();
1311 1344
1312 switch (mode) 1345 switch (mode)
1313 { 1346 {
1314 case 0: /* erase to end of screen */ 1347 case 0: /* erase to end of screen */
1315 selection_check (1);
1316 scr_erase_line (0); 1348 scr_erase_line (0);
1317 row = screen.cur.row + 1; /* possible OOB */ 1349 row = screen.cur.row + 1; /* possible OOB */
1318 num = nrow - row; 1350 num = nrow - row;
1319 break; 1351 break;
1320 case 1: /* erase to beginning of screen */ 1352 case 1: /* erase to beginning of screen */
1321 selection_check (3);
1322 scr_erase_line (1); 1353 scr_erase_line (1);
1323 row = 0; 1354 row = 0;
1324 num = screen.cur.row; 1355 num = screen.cur.row;
1325 break; 1356 break;
1326 case 2: /* erase whole screen */ 1357 case 2: /* erase whole screen */
1327 selection_check (3);
1328 row = 0; 1358 row = 0;
1329 num = nrow; 1359 num = nrow;
1330 break; 1360 break;
1331 default: 1361 default:
1332 return; 1362 return;
… …
1349 { 1379 {
1350 ren = DEFAULT_RSTYLE; 1380 ren = DEFAULT_RSTYLE;
1351 1381
1352 if (mapped) 1382 if (mapped)
1353 XClearArea (dpy, vt, 0, 1383 XClearArea (dpy, vt, 0,
1354 Row2Pixel (row - view_start), (unsigned int)width, 1384 Row2Pixel (row - view_start), (unsigned int)vt_width,
1355 (unsigned int)Height2Pixel (num), False); 1385 (unsigned int)Height2Pixel (num), False);
1356 } 1386 }
1357 else 1387 else
1358 { 1388 {
1359 ren = rstyle & (RS_fgMask | RS_bgMask); 1389 ren = rstyle & (RS_fgMask | RS_bgMask);
… …
1362 { 1392 {
1363 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1393 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1364 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1394 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1365 XFillRectangle (dpy, vt, gc, 1395 XFillRectangle (dpy, vt, gc,
1366 0, Row2Pixel (row - view_start), 1396 0, Row2Pixel (row - view_start),
1367 (unsigned int)width, 1397 (unsigned int)vt_width,
1368 (unsigned int)Height2Pixel (num)); 1398 (unsigned int)Height2Pixel (num));
1369 gcvalue.foreground = pix_colors[Color_fg]; 1399 gcvalue.foreground = pix_colors[Color_fg];
1370 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1400 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1371 } 1401 }
1372 } 1402 }
… …
1394/* ------------------------------------------------------------------------- */ 1424/* ------------------------------------------------------------------------- */
1395/* 1425/*
1396 * Fill the screen with `E's 1426 * Fill the screen with `E's
1397 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1427 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1398 */ 1428 */
1399void 1429void ecb_cold
1400rxvt_term::scr_E () NOTHROW 1430rxvt_term::scr_E () NOTHROW
1401{ 1431{
1402 rend_t fs; 1432 rend_t fs;
1403 1433
1404 want_refresh = 1; 1434 want_refresh = 1;
1405 ZERO_SCROLLBACK (); 1435 ZERO_SCROLLBACK ();
1406 1436
1407 num_scr_allow = 0; 1437 num_scr_allow = 0;
1408 selection_check (3); 1438
1439 row_col_t pos;
1440 pos.row = pos.col = 0;
1441 if (ROWCOL_IS_AFTER (selection.end, pos))
1442 CLEAR_SELECTION ();
1409 1443
1410 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1444 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1411 for (int row = nrow; row--; ) 1445 for (int row = nrow; row--; )
1412 { 1446 {
1413 line_t &line = ROW(row); 1447 line_t &line = ROW(row);
… …
1564/* ------------------------------------------------------------------------- */ 1598/* ------------------------------------------------------------------------- */
1565/* 1599/*
1566 * Set the scrolling region 1600 * Set the scrolling region
1567 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1601 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1568 */ 1602 */
1569void 1603void ecb_cold
1570rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1604rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1571{ 1605{
1572 max_it (top, 0); 1606 max_it (top, 0);
1573 min_it (bot, nrow - 1); 1607 min_it (bot, nrow - 1);
1574 1608
… …
1584/* 1618/*
1585 * Make the cursor visible/invisible 1619 * Make the cursor visible/invisible
1586 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1620 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1587 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1621 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1588 */ 1622 */
1589void 1623void ecb_cold
1590rxvt_term::scr_cursor_visible (int mode) NOTHROW 1624rxvt_term::scr_cursor_visible (int mode) NOTHROW
1591{ 1625{
1592 want_refresh = 1; 1626 want_refresh = 1;
1593 1627
1594 if (mode) 1628 if (mode)
… …
1601/* 1635/*
1602 * Set/unset automatic wrapping 1636 * Set/unset automatic wrapping
1603 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1637 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1604 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1638 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1605 */ 1639 */
1606void 1640void ecb_cold
1607rxvt_term::scr_autowrap (int mode) NOTHROW 1641rxvt_term::scr_autowrap (int mode) NOTHROW
1608{ 1642{
1609 if (mode) 1643 if (mode)
1610 screen.flags |= Screen_Autowrap; 1644 screen.flags |= Screen_Autowrap;
1611 else 1645 else
… …
1620 * Relative mode: line numbers are relative to top margin of scrolling region 1654 * Relative mode: line numbers are relative to top margin of scrolling region
1621 * and the cursor cannot be moved outside. 1655 * and the cursor cannot be moved outside.
1622 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1656 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1623 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1657 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1624 */ 1658 */
1625void 1659void ecb_cold
1626rxvt_term::scr_relative_origin (int mode) NOTHROW 1660rxvt_term::scr_relative_origin (int mode) NOTHROW
1627{ 1661{
1628 if (mode) 1662 if (mode)
1629 screen.flags |= Screen_Relative; 1663 screen.flags |= Screen_Relative;
1630 else 1664 else
… …
1637/* 1671/*
1638 * Set insert/replace mode 1672 * Set insert/replace mode
1639 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1673 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1640 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1674 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1641 */ 1675 */
1642void 1676void ecb_cold
1643rxvt_term::scr_insert_mode (int mode) NOTHROW 1677rxvt_term::scr_insert_mode (int mode) NOTHROW
1644{ 1678{
1645 if (mode) 1679 if (mode)
1646 screen.flags |= Screen_Insert; 1680 screen.flags |= Screen_Insert;
1647 else 1681 else
… …
1653 * Set/Unset tabs 1687 * Set/Unset tabs
1654 * XTERM_SEQ: Set tab at current column : ESC H 1688 * XTERM_SEQ: Set tab at current column : ESC H
1655 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1689 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1656 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1690 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1657 */ 1691 */
1658void 1692void ecb_cold
1659rxvt_term::scr_set_tab (int mode) NOTHROW 1693rxvt_term::scr_set_tab (int mode) NOTHROW
1660{ 1694{
1661 if (mode < 0) 1695 if (mode < 0)
1662 memset (tabs, 0, ncol); 1696 memset (tabs, 0, ncol);
1663 else if (screen.cur.col < ncol) 1697 else if (screen.cur.col < ncol)
… …
1682 if (rvideo_state != on) 1716 if (rvideo_state != on)
1683 { 1717 {
1684 rvideo_state = on; 1718 rvideo_state = on;
1685 1719
1686 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1720 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1687#ifdef HAVE_BG_PIXMAP 1721#ifdef HAVE_IMG
1688 if (bgPixmap.pixmap == None) 1722 if (bg_img == 0)
1689#endif 1723#endif
1690 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1724 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1691 1725
1692 XGCValues gcvalue; 1726 XGCValues gcvalue;
1693 gcvalue.foreground = pix_colors[Color_fg]; 1727 gcvalue.foreground = pix_colors[Color_fg];
… …
1702/* ------------------------------------------------------------------------- */ 1736/* ------------------------------------------------------------------------- */
1703/* 1737/*
1704 * Report current cursor position 1738 * Report current cursor position
1705 * XTERM_SEQ: Report position: ESC [ 6 n 1739 * XTERM_SEQ: Report position: ESC [ 6 n
1706 */ 1740 */
1707void 1741void ecb_cold
1708rxvt_term::scr_report_position () NOTHROW 1742rxvt_term::scr_report_position () NOTHROW
1709{ 1743{
1710 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1744 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1711} 1745}
1712 1746
… …
1715 * ------------------------------------------------------------------------- */ 1749 * ------------------------------------------------------------------------- */
1716 1750
1717/* 1751/*
1718 * Set font style 1752 * Set font style
1719 */ 1753 */
1720void 1754void ecb_cold
1721rxvt_term::set_font_style () NOTHROW 1755rxvt_term::set_font_style () NOTHROW
1722{ 1756{
1723#if 0 1757#if 0
1724 switch (charsets [screen.charset]) 1758 switch (charsets [screen.charset])
1725 { 1759 {
… …
1747 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1781 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1748 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1782 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1749 * XTERM_SEQ: Invoke G2 character set: ESC N 1783 * XTERM_SEQ: Invoke G2 character set: ESC N
1750 * XTERM_SEQ: Invoke G3 character set: ESC O 1784 * XTERM_SEQ: Invoke G3 character set: ESC O
1751 */ 1785 */
1752void 1786void ecb_cold
1753rxvt_term::scr_charset_choose (int set) NOTHROW 1787rxvt_term::scr_charset_choose (int set) NOTHROW
1754{ 1788{
1755 screen.charset = set; 1789 screen.charset = set;
1756 set_font_style (); 1790 set_font_style ();
1757} 1791}
… …
1778 * ------------------------------------------------------------------------- */ 1812 * ------------------------------------------------------------------------- */
1779 1813
1780/* 1814/*
1781 * refresh matching text. 1815 * refresh matching text.
1782 */ 1816 */
1783bool 1817bool ecb_cold
1784rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1818rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1785{ 1819{
1786 bool found = false; 1820 bool found = false;
1787 1821
1788 for (int i = 0; i < nrow; i++) 1822 for (int i = 0; i < nrow; i++)
… …
1807 PART_BEG = 0, 1841 PART_BEG = 0,
1808 PART_END, 1842 PART_END,
1809 RC_COUNT 1843 RC_COUNT
1810}; 1844};
1811 1845
1812void 1846void ecb_hot
1813rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1847rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1814{ 1848{
1815 int i; 1849 int i;
1816 row_col_t rc[RC_COUNT]; 1850 row_col_t rc[RC_COUNT];
1817 1851
… …
1854 * Refresh the entire screen 1888 * Refresh the entire screen
1855 */ 1889 */
1856void 1890void
1857rxvt_term::scr_touch (bool refresh) NOTHROW 1891rxvt_term::scr_touch (bool refresh) NOTHROW
1858{ 1892{
1859 scr_expose (0, 0, width, height, refresh); 1893 scr_expose (0, 0, vt_width, vt_height, refresh);
1860} 1894}
1861 1895
1862/* ------------------------------------------------------------------------- */ 1896/* ------------------------------------------------------------------------- */
1863/* 1897/*
1864 * Move the display so that the line represented by scrollbar value Y is at 1898 * Move the display so that the line represented by scrollbar value Y is at
… …
1920 1954
1921# ifndef NO_MAPALERT 1955# ifndef NO_MAPALERT
1922# ifdef MAPALERT_OPTION 1956# ifdef MAPALERT_OPTION
1923 if (option (Opt_mapAlert)) 1957 if (option (Opt_mapAlert))
1924# endif 1958# endif
1925 XMapWindow (dpy, parent[0]); 1959 XMapWindow (dpy, parent);
1926# endif 1960# endif
1927 1961
1928# if ENABLE_FRILLS 1962# if ENABLE_FRILLS
1929 if (option (Opt_urgentOnBell)) 1963 if (option (Opt_urgentOnBell))
1930 set_urgency (1); 1964 set_urgency (1);
… …
1943 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1977 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1944#endif 1978#endif
1945} 1979}
1946 1980
1947/* ------------------------------------------------------------------------- */ 1981/* ------------------------------------------------------------------------- */
1948/* ARGSUSED */ 1982void ecb_cold
1949void
1950rxvt_term::scr_printscreen (int fullhist) NOTHROW 1983rxvt_term::scr_printscreen (int fullhist) NOTHROW
1951{ 1984{
1952#ifdef PRINTPIPE 1985#ifdef PRINTPIPE
1953 int nrows, row_start; 1986 int nrows, row_start;
1954 FILE *fd = popen_printer (); 1987 FILE *fd = popen_printer ();
… …
2003/* 2036/*
2004 * Refresh the screen 2037 * Refresh the screen
2005 * drawn_text/drawn_rend contain the screen information before the update. 2038 * drawn_text/drawn_rend contain the screen information before the update.
2006 * screen.text/screen.rend contain what the screen will change to. 2039 * screen.text/screen.rend contain what the screen will change to.
2007 */ 2040 */
2008void 2041void ecb_hot
2009rxvt_term::scr_refresh () NOTHROW 2042rxvt_term::scr_refresh () NOTHROW
2010{ 2043{
2011 int16_t col, row, /* column/row we're processing */ 2044 int16_t col, row, /* column/row we're processing */
2012 ocrow; /* old cursor row */ 2045 ocrow; /* old cursor row */
2013 int i; /* tmp */ 2046 int i; /* tmp */
2014#ifndef NO_CURSORCOLOR
2015 rend_t cc1; /* store colours at cursor position (s) */
2016#endif
2017 rend_t *crp; // cursor rendition pointer
2018 rend_t ccol1, /* Cursor colour */ 2047 rend_t ccol1, /* Cursor colour */
2019 ccol2; /* Cursor colour2 */ 2048 ccol2; /* Cursor colour2 */
2049 rend_t cur_rend;
2050 int cur_col;
2020 2051
2021 want_refresh = 0; /* screen is current */ 2052 want_refresh = 0; /* screen is current */
2022 2053
2023 if (refresh_type == NO_REFRESH || !mapped) 2054 if (refresh_type == NO_REFRESH || !mapped)
2024 return; 2055 return;
… …
2027 * A: set up vars 2058 * A: set up vars
2028 */ 2059 */
2029 refresh_count = 0; 2060 refresh_count = 0;
2030 2061
2031 unsigned int old_screen_flags = screen.flags; 2062 unsigned int old_screen_flags = screen.flags;
2032 char have_bg = 0; 2063 bool have_bg = 0;
2033#ifdef HAVE_BG_PIXMAP 2064#ifdef HAVE_IMG
2034 have_bg = bgPixmap.pixmap != None; 2065 have_bg = bg_img != 0;
2035#endif 2066#endif
2036 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2067 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2037 2068
2038 /* 2069 /*
2039 * B: reverse any characters which are selected 2070 * B: reverse any characters which are selected
… …
2043 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2074 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044#if ENABLE_OVERLAY 2075#if ENABLE_OVERLAY
2045 scr_swap_overlay (); 2076 scr_swap_overlay ();
2046#endif 2077#endif
2047 2078
2048 char showcursor = screen.flags & Screen_VisibleCursor; 2079 bool showcursor = screen.flags & Screen_VisibleCursor;
2049 2080
2050 /* 2081 /*
2051 * C: set the cursor character (s) 2082 * C: set the cursor character (s)
2052 */ 2083 */
2053 { 2084 {
2054 unsigned char setoldcursor; 2085 bool setoldcursor;
2055 2086
2056#ifdef CURSOR_BLINK 2087#ifdef CURSOR_BLINK
2057 if (hidden_cursor) 2088 if (hidden_cursor)
2058 showcursor = 0; 2089 showcursor = 0;
2059#endif 2090#endif
… …
2063 int col = screen.cur.col; 2094 int col = screen.cur.col;
2064 2095
2065 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2096 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2066 col--; 2097 col--;
2067 2098
2068 crp = &ROW(screen.cur.row).r[col]; 2099 cur_rend = ROW(screen.cur.row).r[col];
2100 cur_col = col;
2069 2101
2070#ifndef NO_CURSORCOLOR 2102#ifndef NO_CURSORCOLOR
2071 cc1 = *crp & (RS_fgMask | RS_bgMask);
2072 if (ISSET_PIXCOLOR (Color_cursor)) 2103 if (ISSET_PIXCOLOR (Color_cursor))
2073 ccol1 = Color_cursor; 2104 ccol1 = Color_cursor;
2074 else 2105 else
2075#endif 2106#endif
2076#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2107#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
… …
2090 ccol2 = Color_bg; 2121 ccol2 = Color_bg;
2091#endif 2122#endif
2092 2123
2093 if (focus) 2124 if (focus)
2094 { 2125 {
2126 rend_t rend = cur_rend;
2127
2095 if (option (Opt_cursorUnderline)) 2128 if (option (Opt_cursorUnderline))
2096 *crp ^= RS_Uline; 2129 rend ^= RS_Uline;
2097 else 2130 else
2098 { 2131 {
2099 *crp ^= RS_RVid; 2132 rend ^= RS_RVid;
2100 *crp = SET_FGCOLOR (*crp, ccol1); 2133 rend = SET_FGCOLOR (rend, ccol1);
2101 *crp = SET_BGCOLOR (*crp, ccol2); 2134 rend = SET_BGCOLOR (rend, ccol2);
2102 } 2135 }
2136
2137 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2103 } 2138 }
2104 } 2139 }
2105 2140
2106 /* make sure no outline cursor is left around */ 2141 /* make sure no outline cursor is left around */
2107 setoldcursor = 0; 2142 setoldcursor = 0;
… …
2146 { 2181 {
2147 int16_t nits; 2182 int16_t nits;
2148 int i = num_scr; 2183 int i = num_scr;
2149 int j; 2184 int j;
2150 int len, wlen; 2185 int len, wlen;
2151 dLocal (int, num_scr);
2152 2186
2153 j = nrow; 2187 j = nrow;
2154 wlen = len = -1; 2188 wlen = len = -1;
2155 row = i > 0 ? 0 : j - 1; 2189 row = i > 0 ? 0 : j - 1;
2156 2190
… …
2231 continue; 2265 continue;
2232 2266
2233 // redraw one or more characters 2267 // redraw one or more characters
2234 2268
2235 // seek to the beginning of wide characters 2269 // seek to the beginning of wide characters
2236 while (expect_false (stp[col] == NOCHAR && col > 0)) 2270 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2237 --col; 2271 --col;
2238 2272
2239 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2273 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240 text_t *text = stp + col; 2274 text_t *text = stp + col;
2241 int count = 1; 2275 int count = 1;
… …
2279 2313
2280 col--; /* went one too far. move back */ 2314 col--; /* went one too far. move back */
2281 count -= i; /* dump any matching trailing chars */ 2315 count -= i; /* dump any matching trailing chars */
2282 2316
2283 // sometimes we optimize away the trailing NOCHAR's, add them back 2317 // sometimes we optimize away the trailing NOCHAR's, add them back
2284 while (expect_false (i && text[count] == NOCHAR)) 2318 while (ecb_unlikely (i && text[count] == NOCHAR))
2285 count++, i--; 2319 count++, i--;
2286 2320
2287 /* 2321 /*
2288 * Determine the attributes for the string 2322 * Determine the attributes for the string
2289 */ 2323 */
2290 int fore = fgcolor_of (rend); // desired foreground 2324 int fore = fgcolor_of (rend); // desired foreground
2291 int back = bgcolor_of (rend); // desired background 2325 int back = bgcolor_of (rend); // desired background
2292 2326
2293 // only do special processing if any attributes are set, which is unlikely 2327 // only do special processing if any attributes are set, which is unlikely
2294 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2328 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295 { 2329 {
2296 bool invert = rend & RS_RVid; 2330 bool invert = rend & RS_RVid;
2297 2331
2298#ifndef NO_BOLD_UNDERLINE_REVERSE 2332#ifndef NO_BOLD_UNDERLINE_REVERSE
2299 if (rend & RS_Bold && fore == Color_fg) 2333 if (rend & RS_Bold && fore == Color_fg)
… …
2388 /* 2422 /*
2389 * Actually do the drawing of the string here 2423 * Actually do the drawing of the string here
2390 */ 2424 */
2391 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2425 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392 2426
2393 if (expect_true (have_bg && back == Color_bg)) 2427 if (ecb_likely (have_bg && back == Color_bg))
2394 { 2428 {
2395 // this is very ugly, maybe push it into ->draw? 2429 // this is very ugly, maybe push it into ->draw?
2396 2430
2397 for (i = 0; i < count; i++) /* don't draw empty strings */ 2431 for (i = 0; i < count; i++) /* don't draw empty strings */
2398 if (text[i] != ' ') 2432 if (text[i] != ' ')
… …
2405 did_clear: ; 2439 did_clear: ;
2406 } 2440 }
2407 else 2441 else
2408 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2442 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2409 2443
2410 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2444 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2411 { 2445 {
2412#if ENABLE_FRILLS 2446#if ENABLE_FRILLS
2413 if (ISSET_PIXCOLOR (Color_underline)) 2447 if (ISSET_PIXCOLOR (Color_underline))
2414 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2448 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415 else 2449 else
… …
2427 * G: cleanup cursor and display outline cursor if necessary 2461 * G: cleanup cursor and display outline cursor if necessary
2428 */ 2462 */
2429 if (showcursor) 2463 if (showcursor)
2430 { 2464 {
2431 if (focus) 2465 if (focus)
2432 { 2466 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2433 if (option (Opt_cursorUnderline))
2434 *crp ^= RS_Uline;
2435 else
2436 {
2437 *crp ^= RS_RVid;
2438#ifndef NO_CURSORCOLOR
2439 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2440#endif
2441 }
2442 }
2443 else if (oldcursor.row >= 0) 2467 else if (oldcursor.row >= 0)
2444 { 2468 {
2445 int cursorwidth = 1; 2469 int cursorwidth = 1;
2446 int col = oldcursor.col; 2470 int col = oldcursor.col;
2447 2471
… …
2461 2485
2462 XDrawRectangle (dpy, vt, gc, 2486 XDrawRectangle (dpy, vt, gc,
2463 Col2Pixel (col), 2487 Col2Pixel (col),
2464 Row2Pixel (oldcursor.row), 2488 Row2Pixel (oldcursor.row),
2465 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2489 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2466 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2490 (unsigned int) (Height2Pixel (1) - 1));
2467 } 2491 }
2468 } 2492 }
2469 2493
2470 /* 2494 /*
2471 * H: cleanup selection 2495 * H: cleanup selection
… …
2480 screen.flags = old_screen_flags; 2504 screen.flags = old_screen_flags;
2481 num_scr = 0; 2505 num_scr = 0;
2482 num_scr_allow = 1; 2506 num_scr_allow = 1;
2483} 2507}
2484 2508
2485void 2509void ecb_cold
2486rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2510rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2487{ 2511{
2488 if (!l.t) 2512 if (!l.valid ())
2489 return; 2513 return;
2490 2514
2491 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2515 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2492 2516
2493 for (int i = ncol; i--; ) 2517 for (int i = ncol; i--; )
2494 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2518 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2495} 2519}
2496 2520
2497void 2521void ecb_cold
2498rxvt_term::scr_remap_chars () NOTHROW 2522rxvt_term::scr_remap_chars () NOTHROW
2499{ 2523{
2500 for (int i = total_rows; i--; ) 2524 for (int i = total_rows; i--; )
2501 scr_remap_chars (row_buf [i]); 2525 scr_remap_chars (row_buf [i]);
2502 2526
… …
2505 scr_remap_chars (drawn_buf [i]); 2529 scr_remap_chars (drawn_buf [i]);
2506 scr_remap_chars (swap_buf [i]); 2530 scr_remap_chars (swap_buf [i]);
2507 } 2531 }
2508} 2532}
2509 2533
2510void 2534void ecb_cold
2511rxvt_term::scr_recolour () NOTHROW 2535rxvt_term::scr_recolour (bool refresh) NOTHROW
2512{ 2536{
2513#ifdef HAVE_BG_PIXMAP 2537 bool transparent = false;
2514 bgPixmap.apply ();
2515#else
2516 2538
2539#ifdef HAVE_IMG
2540 if (bg_img != 0)
2541 {
2542# if ENABLE_TRANSPARENCY
2543 if (bg_flags & BG_IS_TRANSPARENT)
2544 {
2545 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2546 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2547
2548 transparent = true;
2549 }
2550 else
2551# endif
2552 {
2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2554 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2555 }
2556 }
2557 else
2558#endif
2559 {
2517 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2560 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2518 XClearWindow (dpy, parent[0]);
2519 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2561 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2562 }
2563
2564 XClearWindow (dpy, parent);
2520 2565
2521 if (scrollBar.win) 2566 if (scrollBar.win)
2522 { 2567 {
2568 if (transparent)
2569 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2570 else
2523 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2571 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2524 scrollBar.state = STATE_IDLE; 2572 scrollBar.state = SB_STATE_IDLE;
2525 scrollBar.show (0); 2573 scrollBar.show (0);
2526 } 2574 }
2527 2575
2528#endif 2576 if (refresh)
2529 2577 {
2530 /* bgPixmap.apply () does not do the following : */
2531 scr_clear (); 2578 scr_clear ();
2532 scr_touch (true); 2579 scr_touch (true);
2580 }
2533 want_refresh = 1; 2581 want_refresh = 1;
2534} 2582}
2535 2583
2536/* ------------------------------------------------------------------------- */ 2584/* ------------------------------------------------------------------------- */
2537void 2585void
… …
2594 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2642 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2595 srp[col] ^= rstyle; 2643 srp[col] ^= rstyle;
2596} 2644}
2597 2645
2598/* ------------------------------------------------------------------------- */ 2646/* ------------------------------------------------------------------------- */
2599void 2647void ecb_hot
2600rxvt_term::scr_reverse_selection () NOTHROW 2648rxvt_term::scr_reverse_selection () NOTHROW
2601{ 2649{
2602 if (selection.op 2650 if (selection.op
2603 && current_screen == selection.screen 2651 && current_screen == selection.screen
2604 && selection.end.row >= view_start) 2652 && selection.end.row >= view_start)
… …
2623 */ 2671 */
2624#if 0 2672#if 0
2625void 2673void
2626rxvt_term::scr_dump (int fd) NOTHROW 2674rxvt_term::scr_dump (int fd) NOTHROW
2627{ 2675{
2628 int row, wrote; 2676 // if this method is needed, it can be implemented by factoring the
2629 unsigned int width, towrite; 2677 // relevant code in scr_printscreen
2630 char r1[] = "\n";
2631
2632 for (row = saveLines + top_row;
2633 row < saveLines + nrow - 1; row++)
2634 {
2635 width = row_buf[row].l >= 0 ? row_buf[row].l
2636 : ncol;
2637 for (towrite = width; towrite; towrite -= wrote)
2638 {
2639 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2640 towrite);
2641 if (wrote < 0)
2642 return; /* XXX: death, no report */
2643 }
2644 if (row_buf[row].l >= 0)
2645 if (write (fd, r1, 1) <= 0)
2646 return; /* XXX: death, no report */
2647 }
2648} 2678}
2649#endif 2679#endif
2650 2680
2651/* ------------------------------------------------------------------------- * 2681/* ------------------------------------------------------------------------- *
2652 * CHARACTER SELECTION * 2682 * CHARACTER SELECTION *
2653 * ------------------------------------------------------------------------- */ 2683 * ------------------------------------------------------------------------- */
2654void 2684void
2655rxvt_term::selection_check (int check_more) NOTHROW 2685rxvt_term::selection_check (int check_more) NOTHROW
2656{ 2686{
2657 row_col_t pos;
2658
2659 if (!selection.op) 2687 if (!selection.op)
2660 return; 2688 return;
2661 2689
2662 pos.row = pos.col = 0;
2663 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2690 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2664 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2691 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2665 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2692 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2666 || (check_more == 1 2693 || (check_more == 1
2667 && current_screen == selection.screen 2694 && current_screen == selection.screen
2668 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2695 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2669 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2696 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2670 || (check_more == 2
2671 && ROWCOL_IS_BEFORE (selection.beg, pos)
2672 && ROWCOL_IS_AFTER (selection.end, pos))
2673 || (check_more == 3
2674 && ROWCOL_IS_AFTER (selection.end, pos))
2675 || (check_more == 4 /* screen width change */
2676 && (selection.beg.row != selection.end.row
2677 || selection.end.col > ncol)))
2678 CLEAR_SELECTION (); 2697 CLEAR_ALL_SELECTION ();
2679} 2698}
2680 2699
2681/* ------------------------------------------------------------------------- */ 2700/* ------------------------------------------------------------------------- */
2682/* 2701/*
2683 * Paste a selection direct to the command fd 2702 * Paste a selection direct to the command fd
… …
2689 for (unsigned int i = 0; i < len; i++) 2708 for (unsigned int i = 0; i < len; i++)
2690 if (data[i] == C0_LF) 2709 if (data[i] == C0_LF)
2691 data[i] = C0_CR; 2710 data[i] = C0_CR;
2692 2711
2693 if (priv_modes & PrivMode_BracketPaste) 2712 if (priv_modes & PrivMode_BracketPaste)
2694 tt_printf ("\e[200~"); 2713 tt_printf ("\x1b[200~");
2695 2714
2696 tt_write (data, len); 2715 tt_write (data, len);
2697 2716
2698 if (priv_modes & PrivMode_BracketPaste) 2717 if (priv_modes & PrivMode_BracketPaste)
2699 tt_printf ("\e[201~"); 2718 tt_printf ("\x1b[201~");
2700} 2719}
2701 2720
2702void 2721void
2703rxvt_term::paste (char *data, unsigned int len) NOTHROW 2722rxvt_term::paste (char *data, unsigned int len) NOTHROW
2704{ 2723{
… …
2708 tt_paste (data, len); 2727 tt_paste (data, len);
2709} 2728}
2710 2729
2711/* ------------------------------------------------------------------------- */ 2730/* ------------------------------------------------------------------------- */
2712/* 2731/*
2713 * Respond to a notification that a primary selection has been sent 2732 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2714 * EXT: SelectionNotify 2733 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2715 */ 2734 * as fallback
2716void
2717rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2718{
2719 if (prop == None) /* check for failed XConvertSelection */
2720 {
2721 if ((selection_type & Sel_CompoundText))
2722 {
2723 int selnum = selection_type & Sel_whereMask;
2724
2725 selection_type = 0;
2726 if (selnum != Sel_direct)
2727 selection_request_other (XA_STRING, selnum);
2728 }
2729
2730 if ((selection_type & Sel_UTF8String))
2731 {
2732 int selnum = selection_type & Sel_whereMask;
2733
2734 selection_type = Sel_CompoundText;
2735 if (selnum != Sel_direct)
2736 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2737 else
2738 selection_type = 0;
2739 }
2740
2741 return;
2742 }
2743
2744 unsigned long bytes_after;
2745 XTextProperty ct;
2746
2747 if (XGetWindowProperty (dpy, win, prop,
2748 0, PROP_SIZE / 4,
2749 delete_prop, AnyPropertyType,
2750 &ct.encoding, &ct.format,
2751 &ct.nitems, &bytes_after,
2752 &ct.value) != Success)
2753 {
2754 ct.value = 0;
2755 goto bailout;
2756 }
2757
2758 if (ct.encoding == None)
2759 goto bailout;
2760
2761 if (bytes_after)
2762 {
2763 // fetch and append remaining data
2764 XTextProperty ct2;
2765
2766 if (XGetWindowProperty (dpy, win, prop,
2767 ct.nitems / 4, (bytes_after + 3) / 4,
2768 delete_prop, AnyPropertyType,
2769 &ct2.encoding, &ct2.format,
2770 &ct2.nitems, &bytes_after,
2771 &ct2.value) != Success)
2772 goto bailout;
2773
2774 // realloc should be compatible to XFree, here, and elsewhere, too
2775 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2776 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2777 ct.nitems += ct2.nitems;
2778
2779 XFree (ct2.value);
2780 }
2781
2782 if (ct.value == 0)
2783 goto bailout;
2784
2785 if (ct.encoding == xa[XA_INCR])
2786 {
2787 // INCR selection, start handshake
2788 if (!delete_prop)
2789 XDeleteProperty (dpy, win, prop);
2790
2791 selection_wait = Sel_incr;
2792 incr_buf_fill = 0;
2793 incr_ev.start (10);
2794
2795 goto bailout;
2796 }
2797
2798 if (ct.nitems == 0)
2799 {
2800 if (selection_wait == Sel_incr)
2801 {
2802 XFree (ct.value);
2803
2804 // finally complete, now paste the whole thing
2805 selection_wait = Sel_normal;
2806 ct.value = (unsigned char *)incr_buf;
2807 ct.nitems = incr_buf_fill;
2808 incr_buf = 0;
2809 incr_buf_size = 0;
2810 incr_ev.stop ();
2811 }
2812 else
2813 {
2814 if (selection_wait == Sel_normal
2815 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2816 {
2817 /*
2818 * pass through again trying CUT_BUFFER0 if we've come from
2819 * XConvertSelection () but nothing was presented
2820 */
2821 selection_paste (display->root, XA_CUT_BUFFER0, False);
2822 }
2823
2824 goto bailout;
2825 }
2826 }
2827 else if (selection_wait == Sel_incr)
2828 {
2829 incr_ev.start (10);
2830
2831 while (incr_buf_fill + ct.nitems > incr_buf_size)
2832 {
2833 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2834 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2835 }
2836
2837 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2838 incr_buf_fill += ct.nitems;
2839
2840 goto bailout;
2841 }
2842
2843 char **cl;
2844 int cr;
2845
2846#if !ENABLE_MINIMAL
2847 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2848 // so recode it manually
2849 if (ct.encoding == xa[XA_UTF8_STRING])
2850 {
2851 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2852 char *s = rxvt_wcstombs (w);
2853 free (w);
2854 // TODO: strlen == only the first element will be converted. well...
2855 paste (s, strlen (s));
2856 free (s);
2857 }
2858 else
2859#endif
2860 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2861 && cl)
2862 {
2863 for (int i = 0; i < cr; i++)
2864 paste (cl[i], strlen (cl[i]));
2865
2866 XFreeStringList (cl);
2867 }
2868 else
2869 paste ((char *)ct.value, ct.nitems); // paste raw
2870
2871bailout:
2872 XFree (ct.value);
2873
2874 if (selection_wait == Sel_normal)
2875 selection_wait = Sel_none;
2876}
2877
2878void
2879rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2880{
2881 selection_wait = Sel_none;
2882
2883 incr_buf_size = 0;
2884 free (incr_buf);
2885
2886 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2887}
2888
2889void
2890rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2891{
2892 if (prop == None || selection_wait != Sel_incr)
2893 return;
2894
2895 selection_paste (win, prop, true);
2896}
2897
2898/* ------------------------------------------------------------------------- */
2899/*
2900 * Request the current selection:
2901 * Order: > internal selection if available
2902 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2903 * > CUT_BUFFER0
2904 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2905 * will auto fallback to CUT_BUFFER0
2906 * EXT: button 2 release 2735 * EXT: button 2 release
2907 */ 2736 */
2908void 2737void
2909rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2738rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2910{ 2739{
2911 if (selection.text && selnum == Sel_Primary) 2740 if (!selection_req)
2912 {
2913 /* internal selection */
2914 char *str = rxvt_wcstombs (selection.text, selection.len);
2915 paste (str, strlen (str));
2916 free (str);
2917 return;
2918 } 2741 {
2919 else 2742 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2743 selection_req->run ();
2920 { 2744 }
2921 selection_request_time = tm;
2922 selection_wait = Sel_normal;
2923
2924#if X_HAVE_UTF8_STRING
2925 selection_type = Sel_UTF8String;
2926 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2927 return;
2928#else
2929 selection_type = Sel_CompoundText;
2930 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2931 return;
2932#endif
2933 }
2934
2935 selection_wait = Sel_none; /* don't loop in selection_paste () */
2936 selection_paste (display->root, XA_CUT_BUFFER0, false);
2937}
2938
2939int
2940rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2941{
2942 Atom sel;
2943
2944 selection_type |= selnum;
2945
2946 if (selnum == Sel_Primary)
2947 sel = XA_PRIMARY;
2948 else if (selnum == Sel_Secondary)
2949 sel = XA_SECONDARY;
2950 else
2951 sel = xa[XA_CLIPBOARD];
2952
2953 if (XGetSelectionOwner (dpy, sel) != None)
2954 {
2955 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2956 vt, selection_request_time);
2957 return 1;
2958 }
2959
2960 return 0;
2961} 2745}
2962 2746
2963/* ------------------------------------------------------------------------- */ 2747/* ------------------------------------------------------------------------- */
2964/* 2748/*
2965 * Clear all selected text 2749 * Clear all selected text
… …
2996 * EXT: button 1 or 3 release 2780 * EXT: button 1 or 3 release
2997 */ 2781 */
2998void 2782void
2999rxvt_term::selection_make (Time tm) 2783rxvt_term::selection_make (Time tm)
3000{ 2784{
3001 int i; 2785 int size;
3002 wchar_t *new_selection_text; 2786 wchar_t *new_selection_text;
3003 text_t *t; 2787 text_t *t;
3004 2788
3005 switch (selection.op) 2789 switch (selection.op)
3006 { 2790 {
… …
3022 return; /* nothing selected, go away */ 2806 return; /* nothing selected, go away */
3023 2807
3024 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2808 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3025 return; 2809 return;
3026 2810
3027 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2811 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3028 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2812 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3029 2813
3030 int ofs = 0; 2814 int ofs = 0;
3031 int extra = 0; 2815 int extra = 0;
3032 2816
3033 int col = selection.beg.col; 2817 int col = selection.beg.col;
… …
3039 { 2823 {
3040#if !ENABLE_MINIMAL 2824#if !ENABLE_MINIMAL
3041 if (selection.rect) 2825 if (selection.rect)
3042 { 2826 {
3043 col = selection.beg.col; 2827 col = selection.beg.col;
3044 end_col = ncol + 1; 2828 end_col = selection.end.col;
3045 } 2829 }
3046 else 2830 else
3047#endif 2831#endif
3048 end_col = ROW(row).l; 2832 end_col = ROW(row).l;
3049 2833
3050 col = max (col, 0); 2834 col = max (col, 0);
3051 2835
3052 if (row == selection.end.row 2836 if (row == selection.end.row)
3053#if !ENABLE_MINIMAL
3054 || selection.rect
3055#endif
3056 )
3057 min_it (end_col, selection.end.col); 2837 min_it (end_col, selection.end.col);
3058 2838
3059 t = ROW(row).t + col; 2839 t = ROW(row).t + col;
3060 2840
3061 for (; col < end_col; col++) 2841 for (; col < end_col; col++)
… …
3069 2849
3070 extra -= (len - 1); 2850 extra -= (len - 1);
3071 2851
3072 if (extra < 0) 2852 if (extra < 0)
3073 { 2853 {
3074 extra += i; 2854 extra += size;
3075 i += i; 2855 size += size;
3076 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2856 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3077 } 2857 }
3078 2858
3079 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2859 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3080 } 2860 }
3081#endif 2861#endif
… …
3093 2873
3094 new_selection_text[ofs++] = C0_LF; 2874 new_selection_text[ofs++] = C0_LF;
3095 } 2875 }
3096 else 2876 else
3097#endif 2877#endif
3098 if (!ROW(row).is_longer () && row != selection.end.row) 2878 if (!ROW(row).is_longer ()
2879 && (row != selection.end.row || end_col != selection.end.col)
2880 && (row != selection.beg.row || selection.beg.col < ncol))
3099 new_selection_text[ofs++] = C0_LF; 2881 new_selection_text[ofs++] = C0_LF;
3100 } 2882 }
3101
3102 if (end_col != selection.end.col)
3103 new_selection_text[ofs++] = C0_LF;
3104 2883
3105 new_selection_text[ofs] = 0; 2884 new_selection_text[ofs] = 0;
3106 2885
3107 if (ofs == 0) 2886 if (ofs == 0)
3108 { 2887 {
… …
3164/* ------------------------------------------------------------------------- */ 2943/* ------------------------------------------------------------------------- */
3165/* 2944/*
3166 * Mark or select text based upon number of clicks: 1, 2, or 3 2945 * Mark or select text based upon number of clicks: 1, 2, or 3
3167 * EXT: button 1 press 2946 * EXT: button 1 press
3168 */ 2947 */
3169void 2948void ecb_cold
3170rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2949rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3171{ 2950{
3172 clicks = ((clicks - 1) % 3) + 1; 2951 clicks = ((clicks - 1) % 3) + 1;
3173 selection.clicks = clicks; /* save clicks so extend will work */ 2952 selection.clicks = clicks; /* save clicks so extend will work */
3174 2953
… …
3193 2972
3194/* ------------------------------------------------------------------------- */ 2973/* ------------------------------------------------------------------------- */
3195/* 2974/*
3196 * Mark a selection at the specified col/row 2975 * Mark a selection at the specified col/row
3197 */ 2976 */
3198void 2977void ecb_cold
3199rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2978rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3200{ 2979{
3201 want_refresh = 1; 2980 want_refresh = 1;
3202 2981
3203 selection.mark.row = row + view_start; 2982 selection.mark.row = row + view_start;
… …
3230/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3009/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3231#define DELIMIT_TEXT(x) \ 3010#define DELIMIT_TEXT(x) \
3232 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3011 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3233#define DELIMIT_REND(x) 1 3012#define DELIMIT_REND(x) 1
3234 3013
3235void 3014void ecb_cold
3236rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3015rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3237{ 3016{
3238 int col, row, dirnadd, tcol, trow, w1, w2; 3017 int col, row, dirnadd, tcol, trow, w1, w2;
3239 row_col_t bound; 3018 row_col_t bound;
3240 text_t *stp; 3019 text_t *stp;
… …
3314 * EXT: button 3 press; button 1 or 3 drag 3093 * EXT: button 3 press; button 1 or 3 drag
3315 * flag == 0 ==> button 1 3094 * flag == 0 ==> button 1
3316 * flag == 1 ==> button 3 press 3095 * flag == 1 ==> button 3 press
3317 * flag == 2 ==> button 3 motion 3096 * flag == 2 ==> button 3 motion
3318 */ 3097 */
3319void 3098void ecb_cold
3320rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3099rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3321{ 3100{
3322 int col = clamp (Pixel2Col (x), 0, ncol); 3101 int col = clamp (Pixel2Col (x), 0, ncol);
3323 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3102 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3324 3103
… …
3350 3129
3351/* ------------------------------------------------------------------------- */ 3130/* ------------------------------------------------------------------------- */
3352/* 3131/*
3353 * Extend the selection to the specified col/row 3132 * Extend the selection to the specified col/row
3354 */ 3133 */
3355void 3134void ecb_cold
3356rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3135rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3357{ 3136{
3358 row_col_t pos; 3137 row_col_t pos;
3359 enum { 3138 enum {
3360 LEFT, RIGHT 3139 LEFT, RIGHT
… …
3551 ::swap (selection.beg.col, selection.end.col); 3330 ::swap (selection.beg.col, selection.end.col);
3552#endif 3331#endif
3553} 3332}
3554 3333
3555#if !ENABLE_MINIMAL 3334#if !ENABLE_MINIMAL
3556void 3335void ecb_cold
3557rxvt_term::selection_remove_trailing_spaces () NOTHROW 3336rxvt_term::selection_remove_trailing_spaces () NOTHROW
3558{ 3337{
3559 int32_t end_col, end_row; 3338 int32_t end_col, end_row;
3560 text_t *stp; 3339 text_t *stp;
3561 3340
… …
3599/* ------------------------------------------------------------------------- */ 3378/* ------------------------------------------------------------------------- */
3600/* 3379/*
3601 * Double click on button 3 when already selected 3380 * Double click on button 3 when already selected
3602 * EXT: button 3 double click 3381 * EXT: button 3 double click
3603 */ 3382 */
3604void 3383void ecb_cold
3605rxvt_term::selection_rotate (int x, int y) NOTHROW 3384rxvt_term::selection_rotate (int x, int y) NOTHROW
3606{ 3385{
3607 selection.clicks = selection.clicks % 3 + 1; 3386 selection.clicks = selection.clicks % 3 + 1;
3608 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3387 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3609} 3388}
… …
3611/* ------------------------------------------------------------------------- */ 3390/* ------------------------------------------------------------------------- */
3612/* 3391/*
3613 * Respond to a request for our current selection 3392 * Respond to a request for our current selection
3614 * EXT: SelectionRequest 3393 * EXT: SelectionRequest
3615 */ 3394 */
3616void 3395void ecb_cold
3617rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3396rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3618{ 3397{
3398 Atom property = rq.property == None ? rq.target : rq.property;
3619 XSelectionEvent ev; 3399 XSelectionEvent ev;
3620 3400
3621 ev.type = SelectionNotify; 3401 ev.type = SelectionNotify;
3622 ev.property = None; 3402 ev.property = None;
3623 ev.display = rq.display; 3403 ev.display = rq.display;
… …
3638 *target++ = xa[XA_COMPOUND_TEXT]; 3418 *target++ = xa[XA_COMPOUND_TEXT];
3639#if X_HAVE_UTF8_STRING 3419#if X_HAVE_UTF8_STRING
3640 *target++ = xa[XA_UTF8_STRING]; 3420 *target++ = xa[XA_UTF8_STRING];
3641#endif 3421#endif
3642 3422
3643 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3423 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3644 32, PropModeReplace, 3424 32, PropModeReplace,
3645 (unsigned char *)target_list, target - target_list); 3425 (unsigned char *)target_list, target - target_list);
3646 ev.property = rq.property; 3426 ev.property = property;
3647 } 3427 }
3648#if TODO // TODO 3428#if TODO // TODO
3649 else if (rq.target == xa[XA_MULTIPLE]) 3429 else if (rq.target == xa[XA_MULTIPLE])
3650 { 3430 {
3651 /* TODO: Handle MULTIPLE */ 3431 /* TODO: Handle MULTIPLE */
3652 } 3432 }
3653#endif 3433#endif
3654 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3434 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3655 { 3435 {
3656 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3436 XChangeProperty (dpy, rq.requestor, property, rq.target,
3657 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3437 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3658 ev.property = rq.property; 3438 ev.property = property;
3659 } 3439 }
3660 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3440 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3661 { 3441 {
3662 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3442 XChangeProperty (dpy, rq.requestor, property, rq.target,
3663 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3443 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3664 ev.property = rq.property; 3444 ev.property = property;
3665 } 3445 }
3666 else if (rq.target == XA_STRING 3446 else if (rq.target == XA_STRING
3667 || rq.target == xa[XA_TEXT] 3447 || rq.target == xa[XA_TEXT]
3668 || rq.target == xa[XA_COMPOUND_TEXT] 3448 || rq.target == xa[XA_COMPOUND_TEXT]
3669 || rq.target == xa[XA_UTF8_STRING] 3449 || rq.target == xa[XA_UTF8_STRING]
… …
3740 ct.value = (unsigned char *)cl; 3520 ct.value = (unsigned char *)cl;
3741 ct.nitems = selectlen; 3521 ct.nitems = selectlen;
3742 ct.encoding = target; 3522 ct.encoding = target;
3743 } 3523 }
3744 3524
3745 XChangeProperty (dpy, rq.requestor, rq.property, 3525 XChangeProperty (dpy, rq.requestor, property,
3746 ct.encoding, 8, PropModeReplace, 3526 ct.encoding, 8, PropModeReplace,
3747 ct.value, (int)ct.nitems); 3527 ct.value, (int)ct.nitems);
3748 ev.property = rq.property; 3528 ev.property = property;
3749 3529
3750 if (freect) 3530 if (freect)
3751 XFree (ct.value); 3531 XFree (ct.value);
3752 } 3532 }
3753 3533
3754 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3534 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3755} 3535}
3756 3536
3757/* ------------------------------------------------------------------------- */ 3537/* ------------------------------------------------------------------------- */
3758#ifdef USE_XIM 3538#if USE_XIM
3759void 3539void ecb_cold
3760rxvt_term::im_set_position (XPoint &pos) NOTHROW 3540rxvt_term::im_set_position (XPoint &pos) NOTHROW
3761{ 3541{
3762 XWindowAttributes xwa; 3542 XWindowAttributes xwa;
3763 3543
3764 XGetWindowAttributes (dpy, vt, &xwa); 3544 XGetWindowAttributes (dpy, vt, &xwa);

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