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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.397 by root, Wed Nov 2 11:56:52 2011 UTC vs.
Revision 1.462 by root, Thu Jun 17 11:01:57 2021 UTC

… …
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 <schmorp@schmorp.de> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * 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 * 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 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
27#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */ 30#include "rxvtperl.h" /* NECESSARY */
30 31
31#include <inttypes.h> 32#include <inttypes.h>
32
33#include "salloc.C" // HACK, should be a separate compile!
34 33
35static inline void 34static inline void
36fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
37{ 36{
38 while (len--) 37 while (len--)
… …
96 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
97 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
98 97
99/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
100void 99void
101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
102{ 101{
103 if (!l.t) 102 if (!l.valid ())
104 { 103 {
105 lalloc (l); 104 l.alloc ();
106 col = 0; 105 col = 0;
107 width = ncol; 106 width = ncol;
108 } 107 }
109 108
110 l.touch (); 109 l.touch ();
111 110
112 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles 111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
113 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
114 113
115 text_t *et = l.t + col; 114 text_t *et = l.t + col;
116 rend_t *er = l.r + col; 115 rend_t *er = l.r + col;
117 116
118 while (width--) 117 while (width--)
… …
123} 122}
124 123
125/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
126/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
127void 126void
128rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
129{ 128{
130 scr_blank_line (l, 0, ncol, efs); 129 scr_blank_line (l, 0, ncol, efs);
131 130
132 l.l = 0; 131 l.l = 0;
133 l.f = 0; 132 l.f = 0;
134} 133}
135 134
136// nuke a single wide character at the given column 135// nuke a single wide character at the given column
137void 136void
138rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
139{ 138{
140 // find begin 139 // find begin
141 while (col > 0 && l.t[col] == NOCHAR) 140 while (col > 0 && l.t[col] == NOCHAR)
142 col--; 141 col--;
143 142
144 rend_t rend = l.r[col] & ~RS_baseattrMask; 143 rend_t rend = l.r[col] & ~RS_baseattrMask;
145 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
146 145
147 l.touch (); 146 l.touch ();
148 147
149 // found start, nuke 148 // found start, nuke
150 do { 149 do {
… …
152 l.r[col] = rend; 151 l.r[col] = rend;
153 col++; 152 col++;
154 } while (col < ncol && l.t[col] == NOCHAR); 153 } while (col < ncol && l.t[col] == NOCHAR);
155} 154}
156 155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
164}
165
157/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
160 169
161void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
162rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
163{ 216{
164#if ENABLE_OVERLAY 217#if ENABLE_OVERLAY
165 scr_overlay_off (); 218 scr_overlay_off ();
166#endif 219#endif
… …
192 total_rows = nrow + saveLines; 245 total_rows = nrow + saveLines;
193 246
194 screen.tscroll = 0; 247 screen.tscroll = 0;
195 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
196 249
250 void *prev_chunk = chunk;
251 size_t prev_chunk_size = chunk_size;
252 line_t *prev_drawn_buf = drawn_buf;
253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
197 if (!row_buf) 258 if (!prev_row_buf)
198 { 259 {
199 /*
200 * first time called so just malloc everything: don't rely on realloc
201 */
202 top_row = 0; 260 top_row = 0;
203 term_start = 0; 261 term_start = 0;
204
205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
207
208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211
212 for (int row = nrow; row--; )
213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
218 262
219 memset (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
220 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
… …
245 { 289 {
246 /* 290 /*
247 * add or delete rows as appropriate 291 * add or delete rows as appropriate
248 */ 292 */
249 293
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); 294 int common_col = min (prev_ncol, ncol);
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
254 if (nrow < prev_nrow)
255 {
256 for (int row = nrow; row < prev_nrow; row++)
257 {
258 lfree (swap_buf [row]);
259 lfree (drawn_buf[row]);
260 }
261 }
262#endif
263
264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266 295
267 for (int row = min (nrow, prev_nrow); row--; ) 296 for (int row = min (nrow, prev_nrow); row--; )
268 { 297 {
269 lresize (drawn_buf[row]); 298 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
270 lresize (swap_buf [row]); 299 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
271 } 300 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
272 301
273 for (int row = prev_nrow; row < nrow; row++) 302 copy_line (swap_buf [row], prev_swap_buf [row]);
274 { 303 }
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
281 304
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 305 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows); 306 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row 307 int q = total_rows; // rewrapped row
285 308
… …
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 316 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294 317
295 do 318 do
296 { 319 {
297 p = MOD (p - 1, prev_total_rows); 320 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t); 321 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1; 322 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l; 323 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
301 324
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 325 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
303 { 326 {
304 p = MOD (p - 1, prev_total_rows); 327 p = MOD (p - 1, prev_total_rows);
305 328
306 plines++; 329 plines++;
307 llen += prev_ncol; 330 llen += prev_ncol;
… …
320 343
321 // re-assemble the full line by destination lines 344 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++) 345 for (int qrow = q; qlines--; qrow++)
323 { 346 {
324 qline = row_buf + qrow; 347 qline = row_buf + qrow;
325 lalloc (*qline); 348 qline->alloc (); // redundant with next line
326 qline->l = ncol; 349 qline->l = ncol;
327 qline->is_longer (1); 350 qline->is_longer (1);
328 351
329 int qcol = 0; 352 int qcol = 0;
330 353
… …
345 // this seems to upset applications/shells/readline 368 // this seems to upset applications/shells/readline
346 // least. 369 // least.
347 if (prow == ocur.row) 370 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow); 371 screen.cur.row = q - (total_rows - nrow);
349 372
350 line_t &pline = old_buf [prow]; 373 line_t &pline = prev_row_buf [prow];
351 374
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 375 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353 376
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 377 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 378 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
… …
376 { 399 {
377 // if no scrollback exists (yet), wing, instead of wrap 400 // if no scrollback exists (yet), wing, instead of wrap
378 401
379 for (int row = min (nrow, prev_nrow); row--; ) 402 for (int row = min (nrow, prev_nrow); row--; )
380 { 403 {
381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 404 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
382 line_t &qline = row_buf [row]; 405 line_t &dst = row_buf [row];
383 406
384 qline = pline; 407 copy_line (dst, src);
385 lresize (qline);
386 } 408 }
387 409
388 for (int row = prev_nrow; row < nrow; row++) 410 for (int row = prev_nrow; row < nrow; row++)
389 {
390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 411 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
391 }
392 412
393 term_start = 0; 413 term_start = 0;
394 } 414 }
395
396 free (old_buf);
397 delete old_ta;
398 delete old_ra;
399 415
400 clamp_it (screen.cur.row, 0, nrow - 1); 416 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1); 417 clamp_it (screen.cur.col, 0, ncol - 1);
402 } 418 }
403 419
420 for (int row = nrow; row--; )
421 {
422 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
423 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
424 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
425 }
426
427 chunk_free (prev_chunk, prev_chunk_size);
428
404 free (tabs); 429 free (tabs);
405 tabs = (char *)rxvt_malloc (ncol); 430 tabs = (char *)rxvt_malloc (ncol);
406 431
407 for (int col = ncol; col--; ) 432 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0; 433 tabs [col] = col % TABSIZE == 0;
… …
415 tt_winch (); 440 tt_winch ();
416 441
417 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 442 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
418} 443}
419 444
420/* ------------------------------------------------------------------------- */ 445void ecb_cold
421/*
422 * Free everything. That way malloc debugging can find leakage.
423 */
424void
425rxvt_term::scr_release () NOTHROW 446rxvt_term::scr_release () noexcept
426{ 447{
427 if (row_buf) 448 chunk_free (chunk, chunk_size);
428 { 449 chunk = 0;
429 delete talloc; talloc = 0; 450 row_buf = 0;
430 delete ralloc; ralloc = 0;
431 451
432 free (row_buf);
433 free (swap_buf);
434 free (drawn_buf);
435 row_buf = 0; // signal that we freed all the arrays above
436
437 free (tabs); 452 free (tabs);
438 tabs = 0; 453 tabs = 0;
439 }
440} 454}
441 455
442/* ------------------------------------------------------------------------- */ 456/* ------------------------------------------------------------------------- */
443/* 457/*
444 * Hard/Soft reset 458 * Hard/Soft reset
445 */ 459 */
446void 460void ecb_cold
447rxvt_term::scr_poweron () 461rxvt_term::scr_poweron ()
448{ 462{
449 scr_release (); 463 scr_release ();
464
450 prev_nrow = prev_ncol = 0; 465 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false; 466 rvideo_mode = false;
452 scr_soft_reset (); 467 scr_soft_reset ();
453 scr_reset (); 468 scr_reset ();
454 469
455 scr_clear (true); 470 scr_clear (true);
456 scr_refresh (); 471 scr_refresh ();
457} 472}
458 473
459void 474void ecb_cold
460rxvt_term::scr_soft_reset () 475rxvt_term::scr_soft_reset () noexcept
461{ 476{
462 /* only affects modes, nothing drastic such as clearing the screen */ 477 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY 478#if ENABLE_OVERLAY
464 scr_overlay_off (); 479 scr_overlay_off ();
465#endif 480#endif
… …
479 * Save and Restore cursor 494 * Save and Restore cursor
480 * XTERM_SEQ: Save cursor : ESC 7 495 * XTERM_SEQ: Save cursor : ESC 7
481 * XTERM_SEQ: Restore cursor: ESC 8 496 * XTERM_SEQ: Restore cursor: ESC 8
482 */ 497 */
483void 498void
484rxvt_term::scr_cursor (cursor_mode mode) NOTHROW 499rxvt_term::scr_cursor (cursor_mode mode) noexcept
485{ 500{
486 screen_t *s; 501 screen_t *s;
487 502
488#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 503#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
489 if (current_screen == SECONDARY) 504 if (current_screen == SECONDARY)
… …
520 assert (s->cur.row >= 0); 535 assert (s->cur.row >= 0);
521 assert (s->cur.col >= 0); 536 assert (s->cur.col >= 0);
522} 537}
523 538
524void 539void
525rxvt_term::scr_swap_screen () 540rxvt_term::scr_swap_screen () noexcept
526{ 541{
527 if (!option (Opt_secondaryScreen)) 542 if (!option (Opt_secondaryScreen))
528 return; 543 return;
529 544
530 for (int i = prev_nrow; i--; ) 545 for (int i = prev_nrow; i--; )
… …
549 return; 564 return;
550 565
551 want_refresh = 1; 566 want_refresh = 1;
552 view_start = 0; 567 view_start = 0;
553 568
554 selection_check (2); /* check for boundary cross */ 569 /* check for boundary cross */
570 row_col_t pos;
571 pos.row = pos.col = 0;
572 if (ROWCOL_IS_BEFORE (selection.beg, pos)
573 && ROWCOL_IS_AFTER (selection.end, pos))
574 CLEAR_SELECTION ();
555 575
556 current_screen = scrn; 576 current_screen = scrn;
557 577
558#if NSCREENS 578#if NSCREENS
559 if (option (Opt_secondaryScreen)) 579 if (option (Opt_secondaryScreen))
… …
573 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 593 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
574} 594}
575 595
576// clear WrapNext indicator, solidifying position on next line 596// clear WrapNext indicator, solidifying position on next line
577void 597void
578rxvt_term::scr_do_wrap () NOTHROW 598rxvt_term::scr_do_wrap () noexcept
579{ 599{
580 if (!(screen.flags & Screen_WrapNext)) 600 if (!(screen.flags & Screen_WrapNext))
581 return; 601 return;
582 602
583 screen.flags &= ~Screen_WrapNext; 603 screen.flags &= ~Screen_WrapNext;
… …
593/* ------------------------------------------------------------------------- */ 613/* ------------------------------------------------------------------------- */
594/* 614/*
595 * Change the colour for following text 615 * Change the colour for following text
596 */ 616 */
597void 617void
598rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 618rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
599{ 619{
600 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) 620 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
601 color = fgbg; 621 color = fgbg;
602 622
603 if (fgbg == Color_fg) 623 if (fgbg == Color_fg)
604 rstyle = SET_FGCOLOR (rstyle, color); 624 rstyle = SET_FGCOLOR (rstyle, color);
605 else 625 else
… …
609/* ------------------------------------------------------------------------- */ 629/* ------------------------------------------------------------------------- */
610/* 630/*
611 * Change the rendition style for following text 631 * Change the rendition style for following text
612 */ 632 */
613void 633void
614rxvt_term::scr_rendition (int set, int style) NOTHROW 634rxvt_term::scr_rendition (int set, int style) noexcept
615{ 635{
616 if (set) 636 if (set)
617 rstyle |= style; 637 rstyle |= style;
618 else if (style == ~RS_None) 638 else if (style == ~RS_None)
619 rstyle = DEFAULT_RSTYLE; 639 rstyle = DEFAULT_RSTYLE;
… …
625/* 645/*
626 * Scroll text between <row1> and <row2> inclusive, by <count> lines 646 * Scroll text between <row1> and <row2> inclusive, by <count> lines
627 * count positive ==> scroll up 647 * count positive ==> scroll up
628 * count negative ==> scroll down 648 * count negative ==> scroll down
629 */ 649 */
630int 650int ecb_hot
631rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 651rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
632{ 652{
633 if (count == 0 || (row1 > row2)) 653 if (count == 0 || (row1 > row2))
634 return 0; 654 return 0;
635 655
636 want_refresh = 1; 656 want_refresh = 1;
… …
682 else 702 else
683 scr_blank_screen_mem (l, rstyle); 703 scr_blank_screen_mem (l, rstyle);
684 } 704 }
685 705
686 // move and/or clear selection, if any 706 // move and/or clear selection, if any
687 if (selection.op && current_screen == selection.screen) 707 if (selection.op && current_screen == selection.screen
708 && selection.beg.row <= row2)
688 { 709 {
689 selection.beg.row -= count; 710 selection.beg.row -= count;
690 selection.end.row -= count; 711 selection.end.row -= count;
691 selection.mark.row -= count; 712 selection.mark.row -= count;
692 713
… …
695 716
696 // finally move the view window, if desired 717 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 718 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 719 && view_start != 0
699 && view_start != -saveLines) 720 && view_start != -saveLines)
700 scr_page (UP, count); 721 scr_page (count);
701 722
702 if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) 723 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
703 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); 724 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
704 } 725 }
705 else 726 else
… …
768 789
769/* ------------------------------------------------------------------------- */ 790/* ------------------------------------------------------------------------- */
770/* 791/*
771 * Add text given in <str> of length <len> to screen struct 792 * Add text given in <str> of length <len> to screen struct
772 */ 793 */
773void 794void ecb_hot
774rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 795rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
775{ 796{
776 if (len <= 0) /* sanity */ 797 if (len <= 0) /* sanity */
777 return; 798 return;
778 799
779 unsigned char checksel; 800 bool checksel;
780 unicode_t c; 801 unicode_t c;
781 int ncol = this->ncol; 802 int ncol = this->ncol;
782 const wchar_t *strend = str + len; 803 const wchar_t *strend = str + len;
783 804
784 want_refresh = 1; 805 want_refresh = 1;
… …
991 } 1012 }
992 else if (screen.cur.row > 0 1013 else if (screen.cur.row > 0
993 && ROW(screen.cur.row - 1).is_longer ()) 1014 && ROW(screen.cur.row - 1).is_longer ())
994 { 1015 {
995 linep = &ROW(screen.cur.row - 1); 1016 linep = &ROW(screen.cur.row - 1);
996 tp = line->t + ncol - 1; 1017 tp = linep->t + ncol - 1;
997 rp = line->r + ncol - 1; 1018 rp = linep->r + ncol - 1;
998 } 1019 }
999 else 1020 else
1000 continue; 1021 continue;
1001 1022
1002 linep->touch (); 1023 linep->touch ();
… …
1025/* 1046/*
1026 * Process Backspace. Move back the cursor back a position, wrap if have to 1047 * Process Backspace. Move back the cursor back a position, wrap if have to
1027 * XTERM_SEQ: CTRL-H 1048 * XTERM_SEQ: CTRL-H
1028 */ 1049 */
1029void 1050void
1030rxvt_term::scr_backspace () NOTHROW 1051rxvt_term::scr_backspace () noexcept
1031{ 1052{
1032 if (screen.cur.col == 0) 1053 if (screen.cur.col == 0)
1033 { 1054 {
1034 if (screen.cur.row > 0) 1055 if (screen.cur.row > 0)
1035 { 1056 {
… …
1052 * Process Horizontal Tab 1073 * Process Horizontal Tab
1053 * count: +ve = forward; -ve = backwards 1074 * count: +ve = forward; -ve = backwards
1054 * XTERM_SEQ: CTRL-I 1075 * XTERM_SEQ: CTRL-I
1055 */ 1076 */
1056void 1077void
1057rxvt_term::scr_tab (int count, bool ht) NOTHROW 1078rxvt_term::scr_tab (int count, bool ht) noexcept
1058{ 1079{
1059 int i, x; 1080 int i, x;
1060 1081
1061 want_refresh = 1; 1082 want_refresh = 1;
1062 i = x = screen.cur.col; 1083 i = x = screen.cur.col;
… …
1128 * XTERM_SEQ: ESC 6 1149 * XTERM_SEQ: ESC 6
1129 * Move cursor left in row. If we're at the left boundary, shift everything 1150 * Move cursor left in row. If we're at the left boundary, shift everything
1130 * in that row right. Clear left column. 1151 * in that row right. Clear left column.
1131 */ 1152 */
1132#if !ENABLE_MINIMAL 1153#if !ENABLE_MINIMAL
1133void 1154void ecb_cold
1134rxvt_term::scr_backindex () NOTHROW 1155rxvt_term::scr_backindex () noexcept
1135{ 1156{
1136 if (screen.cur.col > 0) 1157 if (screen.cur.col > 0)
1137 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1158 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1138 else 1159 else
1139 scr_insdel_chars (1, INSERT); 1160 scr_insdel_chars (1, INSERT);
… …
1145 * XTERM_SEQ: ESC 9 1166 * XTERM_SEQ: ESC 9
1146 * Move cursor right in row. If we're at the right boundary, shift everything 1167 * Move cursor right in row. If we're at the right boundary, shift everything
1147 * in that row left. Clear right column. 1168 * in that row left. Clear right column.
1148 */ 1169 */
1149#if !ENABLE_MINIMAL 1170#if !ENABLE_MINIMAL
1150void 1171void ecb_cold
1151rxvt_term::scr_forwardindex () NOTHROW 1172rxvt_term::scr_forwardindex () noexcept
1152{ 1173{
1153 if (screen.cur.col < ncol - 1) 1174 if (screen.cur.col < ncol - 1)
1154 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1175 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1155 else 1176 else
1156 { 1177 {
… …
1169/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1170/* 1191/*
1171 * Goto Row/Column 1192 * Goto Row/Column
1172 */ 1193 */
1173void 1194void
1174rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1195rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1175{ 1196{
1176 want_refresh = 1; 1197 want_refresh = 1;
1177 ZERO_SCROLLBACK (); 1198 ZERO_SCROLLBACK ();
1178 1199
1179 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1200 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
… …
1218/* ------------------------------------------------------------------------- */ 1239/* ------------------------------------------------------------------------- */
1219/* 1240/*
1220 * direction should be UP or DN 1241 * direction should be UP or DN
1221 */ 1242 */
1222void 1243void
1223rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1244rxvt_term::scr_index (enum page_dirn direction) noexcept
1224{ 1245{
1225 int dirn;
1226
1227 want_refresh = 1; 1246 want_refresh = 1;
1228 ZERO_SCROLLBACK (); 1247 ZERO_SCROLLBACK ();
1229 1248
1230 dirn = ((direction == UP) ? 1 : -1);
1231
1232 screen.flags &= ~Screen_WrapNext; 1249 screen.flags &= ~Screen_WrapNext;
1233 1250
1234 if ((screen.cur.row == screen.bscroll && direction == UP) 1251 if ((screen.cur.row == screen.bscroll && direction == UP)
1235 || (screen.cur.row == screen.tscroll && direction == DN)) 1252 || (screen.cur.row == screen.tscroll && direction == DN))
1236 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1253 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1237 else 1254 else
1238 screen.cur.row += dirn; 1255 screen.cur.row += direction;
1239 1256
1240 clamp_it (screen.cur.row, 0, nrow - 1); 1257 clamp_it (screen.cur.row, 0, nrow - 1);
1241 selection_check (0); 1258 selection_check (0);
1242} 1259}
1243 1260
… …
1248 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1265 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1249 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1266 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1250 * extension: clear to right unless wrapped: ESC [ 3 K 1267 * extension: clear to right unless wrapped: ESC [ 3 K
1251 */ 1268 */
1252void 1269void
1253rxvt_term::scr_erase_line (int mode) NOTHROW 1270rxvt_term::scr_erase_line (int mode) noexcept
1254{ 1271{
1255 unsigned int col, num; 1272 unsigned int col, num;
1256 1273
1257 want_refresh = 1; 1274 want_refresh = 1;
1258 ZERO_SCROLLBACK (); 1275 ZERO_SCROLLBACK ();
… …
1306 scr_blank_line (line, col, num, rstyle); 1323 scr_blank_line (line, col, num, rstyle);
1307} 1324}
1308 1325
1309/* ------------------------------------------------------------------------- */ 1326/* ------------------------------------------------------------------------- */
1310/* 1327/*
1311 * Erase part of whole of the screen 1328 * Erase part or whole of the screen
1312 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1329 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1313 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1330 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1314 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1331 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1315 */ 1332 */
1316void 1333void
1317rxvt_term::scr_erase_screen (int mode) NOTHROW 1334rxvt_term::scr_erase_screen (int mode) noexcept
1318{ 1335{
1319 int num; 1336 int num;
1320 int32_t row; 1337 int32_t row;
1321 rend_t ren; 1338 rend_t ren;
1322 XGCValues gcvalue; 1339 XGCValues gcvalue;
… …
1325 ZERO_SCROLLBACK (); 1342 ZERO_SCROLLBACK ();
1326 1343
1327 switch (mode) 1344 switch (mode)
1328 { 1345 {
1329 case 0: /* erase to end of screen */ 1346 case 0: /* erase to end of screen */
1330 selection_check (1);
1331 scr_erase_line (0); 1347 scr_erase_line (0);
1332 row = screen.cur.row + 1; /* possible OOB */ 1348 row = screen.cur.row + 1; /* possible OOB */
1333 num = nrow - row; 1349 num = nrow - row;
1334 break; 1350 break;
1335 case 1: /* erase to beginning of screen */ 1351 case 1: /* erase to beginning of screen */
1336 selection_check (3);
1337 scr_erase_line (1); 1352 scr_erase_line (1);
1338 row = 0; 1353 row = 0;
1339 num = screen.cur.row; 1354 num = screen.cur.row;
1340 break; 1355 break;
1341 case 2: /* erase whole screen */ 1356 case 2: /* erase whole screen */
1342 selection_check (3);
1343 row = 0; 1357 row = 0;
1344 num = nrow; 1358 num = nrow;
1345 break; 1359 break;
1346 default: 1360 default:
1347 return; 1361 return;
… …
1364 { 1378 {
1365 ren = DEFAULT_RSTYLE; 1379 ren = DEFAULT_RSTYLE;
1366 1380
1367 if (mapped) 1381 if (mapped)
1368 XClearArea (dpy, vt, 0, 1382 XClearArea (dpy, vt, 0,
1369 Row2Pixel (row - view_start), (unsigned int)width, 1383 Row2Pixel (row - view_start), (unsigned int)vt_width,
1370 (unsigned int)Height2Pixel (num), False); 1384 (unsigned int)Height2Pixel (num), False);
1371 } 1385 }
1372 else 1386 else
1373 { 1387 {
1374 ren = rstyle & (RS_fgMask | RS_bgMask); 1388 ren = rstyle & (RS_fgMask | RS_bgMask);
… …
1377 { 1391 {
1378 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1392 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1379 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1380 XFillRectangle (dpy, vt, gc, 1394 XFillRectangle (dpy, vt, gc,
1381 0, Row2Pixel (row - view_start), 1395 0, Row2Pixel (row - view_start),
1382 (unsigned int)width, 1396 (unsigned int)vt_width,
1383 (unsigned int)Height2Pixel (num)); 1397 (unsigned int)Height2Pixel (num));
1384 gcvalue.foreground = pix_colors[Color_fg]; 1398 gcvalue.foreground = pix_colors[Color_fg];
1385 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1399 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1386 } 1400 }
1387 } 1401 }
… …
1395 } 1409 }
1396} 1410}
1397 1411
1398#if !ENABLE_MINIMAL 1412#if !ENABLE_MINIMAL
1399void 1413void
1400rxvt_term::scr_erase_savelines () NOTHROW 1414rxvt_term::scr_erase_savelines () noexcept
1401{ 1415{
1402 want_refresh = 1; 1416 want_refresh = 1;
1403 ZERO_SCROLLBACK (); 1417 ZERO_SCROLLBACK ();
1404 1418
1405 top_row = 0; 1419 top_row = 0;
… …
1409/* ------------------------------------------------------------------------- */ 1423/* ------------------------------------------------------------------------- */
1410/* 1424/*
1411 * Fill the screen with `E's 1425 * Fill the screen with `E's
1412 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1426 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1413 */ 1427 */
1414void 1428void ecb_cold
1415rxvt_term::scr_E () NOTHROW 1429rxvt_term::scr_E () noexcept
1416{ 1430{
1417 rend_t fs; 1431 rend_t fs;
1418 1432
1419 want_refresh = 1; 1433 want_refresh = 1;
1420 ZERO_SCROLLBACK (); 1434 ZERO_SCROLLBACK ();
1421 1435
1422 num_scr_allow = 0; 1436 num_scr_allow = 0;
1423 selection_check (3); 1437
1438 row_col_t pos;
1439 pos.row = pos.col = 0;
1440 if (ROWCOL_IS_AFTER (selection.end, pos))
1441 CLEAR_SELECTION ();
1424 1442
1425 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1443 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1426 for (int row = nrow; row--; ) 1444 for (int row = nrow; row--; )
1427 { 1445 {
1428 line_t &line = ROW(row); 1446 line_t &line = ROW(row);
… …
1441/* ------------------------------------------------------------------------- */ 1459/* ------------------------------------------------------------------------- */
1442/* 1460/*
1443 * Insert/Delete <count> lines 1461 * Insert/Delete <count> lines
1444 */ 1462 */
1445void 1463void
1446rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1464rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1447{ 1465{
1448 int end; 1466 int end;
1449 1467
1450 ZERO_SCROLLBACK (); 1468 ZERO_SCROLLBACK ();
1451 1469
… …
1471/* ------------------------------------------------------------------------- */ 1489/* ------------------------------------------------------------------------- */
1472/* 1490/*
1473 * Insert/Delete <count> characters from the current position 1491 * Insert/Delete <count> characters from the current position
1474 */ 1492 */
1475void 1493void
1476rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1494rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1477{ 1495{
1478 want_refresh = 1; 1496 want_refresh = 1;
1479 ZERO_SCROLLBACK (); 1497 ZERO_SCROLLBACK ();
1480 1498
1481 if (count <= 0) 1499 if (count <= 0)
… …
1579/* ------------------------------------------------------------------------- */ 1597/* ------------------------------------------------------------------------- */
1580/* 1598/*
1581 * Set the scrolling region 1599 * Set the scrolling region
1582 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1600 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1583 */ 1601 */
1584void 1602void ecb_cold
1585rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1603rxvt_term::scr_scroll_region (int top, int bot) noexcept
1586{ 1604{
1587 max_it (top, 0); 1605 max_it (top, 0);
1588 min_it (bot, nrow - 1); 1606 min_it (bot, nrow - 1);
1589 1607
1590 if (top > bot) 1608 if (top > bot)
… …
1599/* 1617/*
1600 * Make the cursor visible/invisible 1618 * Make the cursor visible/invisible
1601 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1619 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1602 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1620 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1603 */ 1621 */
1604void 1622void ecb_cold
1605rxvt_term::scr_cursor_visible (int mode) NOTHROW 1623rxvt_term::scr_cursor_visible (int mode) noexcept
1606{ 1624{
1607 want_refresh = 1; 1625 want_refresh = 1;
1608 1626
1609 if (mode) 1627 if (mode)
1610 screen.flags |= Screen_VisibleCursor; 1628 screen.flags |= Screen_VisibleCursor;
… …
1616/* 1634/*
1617 * Set/unset automatic wrapping 1635 * Set/unset automatic wrapping
1618 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1636 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1619 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1637 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1620 */ 1638 */
1621void 1639void ecb_cold
1622rxvt_term::scr_autowrap (int mode) NOTHROW 1640rxvt_term::scr_autowrap (int mode) noexcept
1623{ 1641{
1624 if (mode) 1642 if (mode)
1625 screen.flags |= Screen_Autowrap; 1643 screen.flags |= Screen_Autowrap;
1626 else 1644 else
1627 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1645 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1635 * Relative mode: line numbers are relative to top margin of scrolling region 1653 * Relative mode: line numbers are relative to top margin of scrolling region
1636 * and the cursor cannot be moved outside. 1654 * and the cursor cannot be moved outside.
1637 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1655 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1638 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1656 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1639 */ 1657 */
1640void 1658void ecb_cold
1641rxvt_term::scr_relative_origin (int mode) NOTHROW 1659rxvt_term::scr_relative_origin (int mode) noexcept
1642{ 1660{
1643 if (mode) 1661 if (mode)
1644 screen.flags |= Screen_Relative; 1662 screen.flags |= Screen_Relative;
1645 else 1663 else
1646 screen.flags &= ~Screen_Relative; 1664 screen.flags &= ~Screen_Relative;
… …
1652/* 1670/*
1653 * Set insert/replace mode 1671 * Set insert/replace mode
1654 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1672 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1655 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1673 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1656 */ 1674 */
1657void 1675void ecb_cold
1658rxvt_term::scr_insert_mode (int mode) NOTHROW 1676rxvt_term::scr_insert_mode (int mode) noexcept
1659{ 1677{
1660 if (mode) 1678 if (mode)
1661 screen.flags |= Screen_Insert; 1679 screen.flags |= Screen_Insert;
1662 else 1680 else
1663 screen.flags &= ~Screen_Insert; 1681 screen.flags &= ~Screen_Insert;
… …
1668 * Set/Unset tabs 1686 * Set/Unset tabs
1669 * XTERM_SEQ: Set tab at current column : ESC H 1687 * XTERM_SEQ: Set tab at current column : ESC H
1670 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1688 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1671 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1689 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1672 */ 1690 */
1673void 1691void ecb_cold
1674rxvt_term::scr_set_tab (int mode) NOTHROW 1692rxvt_term::scr_set_tab (int mode) noexcept
1675{ 1693{
1676 if (mode < 0) 1694 if (mode < 0)
1677 memset (tabs, 0, ncol); 1695 memset (tabs, 0, ncol);
1678 else if (screen.cur.col < ncol) 1696 else if (screen.cur.col < ncol)
1679 tabs [screen.cur.col] = !!mode; 1697 tabs [screen.cur.col] = !!mode;
… …
1684 * Set reverse/normal video 1702 * Set reverse/normal video
1685 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1703 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1686 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1704 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1687 */ 1705 */
1688void 1706void
1689rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1707rxvt_term::scr_rvideo_mode (bool on) noexcept
1690{ 1708{
1691 rvideo_mode = on; 1709 rvideo_mode = on;
1692 1710
1693#ifndef NO_BELL 1711#ifndef NO_BELL
1694 on ^= rvideo_bell; 1712 on ^= rvideo_bell;
… …
1696 1714
1697 if (rvideo_state != on) 1715 if (rvideo_state != on)
1698 { 1716 {
1699 rvideo_state = on; 1717 rvideo_state = on;
1700 1718
1719#if OFF_FOCUS_FADING
1720 if (rs[Rs_fade])
1721 {
1722 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1723 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1724 }
1725 else
1726#endif
1701 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1727 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1702#ifdef HAVE_BG_PIXMAP 1728#ifdef HAVE_IMG
1703 if (bg_pixmap == None) 1729 if (bg_img == 0)
1704#endif 1730#endif
1705 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1731 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1706 1732
1707 XGCValues gcvalue; 1733 XGCValues gcvalue;
1708 gcvalue.foreground = pix_colors[Color_fg]; 1734 gcvalue.foreground = pix_colors[Color_fg];
… …
1717/* ------------------------------------------------------------------------- */ 1743/* ------------------------------------------------------------------------- */
1718/* 1744/*
1719 * Report current cursor position 1745 * Report current cursor position
1720 * XTERM_SEQ: Report position: ESC [ 6 n 1746 * XTERM_SEQ: Report position: ESC [ 6 n
1721 */ 1747 */
1722void 1748void ecb_cold
1723rxvt_term::scr_report_position () NOTHROW 1749rxvt_term::scr_report_position () noexcept
1724{ 1750{
1725 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1751 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1726} 1752}
1727 1753
1728/* ------------------------------------------------------------------------- * 1754/* ------------------------------------------------------------------------- *
… …
1730 * ------------------------------------------------------------------------- */ 1756 * ------------------------------------------------------------------------- */
1731 1757
1732/* 1758/*
1733 * Set font style 1759 * Set font style
1734 */ 1760 */
1735void 1761void ecb_cold
1736rxvt_term::set_font_style () NOTHROW 1762rxvt_term::set_font_style () noexcept
1737{ 1763{
1738#if 0 1764#if 0
1739 switch (charsets [screen.charset]) 1765 switch (charsets [screen.charset])
1740 { 1766 {
1741 case '0': /* DEC Special Character & Line Drawing Set */ 1767 case '0': /* DEC Special Character & Line Drawing Set */
… …
1762 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1788 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1763 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1789 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1764 * XTERM_SEQ: Invoke G2 character set: ESC N 1790 * XTERM_SEQ: Invoke G2 character set: ESC N
1765 * XTERM_SEQ: Invoke G3 character set: ESC O 1791 * XTERM_SEQ: Invoke G3 character set: ESC O
1766 */ 1792 */
1767void 1793void ecb_cold
1768rxvt_term::scr_charset_choose (int set) NOTHROW 1794rxvt_term::scr_charset_choose (int set) noexcept
1769{ 1795{
1770 screen.charset = set; 1796 screen.charset = set;
1771 set_font_style (); 1797 set_font_style ();
1772} 1798}
1773 1799
… …
1779 * XTERM_SEQ: Set G2 character set: ESC * <C> 1805 * XTERM_SEQ: Set G2 character set: ESC * <C>
1780 * XTERM_SEQ: Set G3 character set: ESC + <C> 1806 * XTERM_SEQ: Set G3 character set: ESC + <C>
1781 * See set_font_style for possible values for <C> 1807 * See set_font_style for possible values for <C>
1782 */ 1808 */
1783void 1809void
1784rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1810rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1785{ 1811{
1786 charsets[set] = (unsigned char)ch; 1812 charsets[set] = (unsigned char)ch;
1787 set_font_style (); 1813 set_font_style ();
1788} 1814}
1789 1815
… …
1793 * ------------------------------------------------------------------------- */ 1819 * ------------------------------------------------------------------------- */
1794 1820
1795/* 1821/*
1796 * refresh matching text. 1822 * refresh matching text.
1797 */ 1823 */
1798bool 1824bool ecb_cold
1799rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1825rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1800{ 1826{
1801 bool found = false; 1827 bool found = false;
1802 1828
1803 for (int i = 0; i < nrow; i++) 1829 for (int i = 0; i < nrow; i++)
1804 { 1830 {
… …
1822 PART_BEG = 0, 1848 PART_BEG = 0,
1823 PART_END, 1849 PART_END,
1824 RC_COUNT 1850 RC_COUNT
1825}; 1851};
1826 1852
1827void 1853void ecb_hot
1828rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1854rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1829{ 1855{
1830 int i; 1856 int i;
1831 row_col_t rc[RC_COUNT]; 1857 row_col_t rc[RC_COUNT];
1832 1858
1833 if (!drawn_buf) /* sanity check */ 1859 if (!drawn_buf) /* sanity check */
… …
1867/* ------------------------------------------------------------------------- */ 1893/* ------------------------------------------------------------------------- */
1868/* 1894/*
1869 * Refresh the entire screen 1895 * Refresh the entire screen
1870 */ 1896 */
1871void 1897void
1872rxvt_term::scr_touch (bool refresh) NOTHROW 1898rxvt_term::scr_touch (bool refresh) noexcept
1873{ 1899{
1874 scr_expose (0, 0, width, height, refresh); 1900 scr_expose (0, 0, vt_width, vt_height, refresh);
1875} 1901}
1876 1902
1877/* ------------------------------------------------------------------------- */ 1903/* ------------------------------------------------------------------------- */
1878/* 1904/*
1879 * Move the display so that the line represented by scrollbar value Y is at 1905 * Move the display so that the line represented by scrollbar value Y is at
1880 * the top of the screen 1906 * the top of the screen
1881 */ 1907 */
1882void 1908void
1883rxvt_term::scr_move_to (int y, int len) NOTHROW 1909rxvt_term::scr_move_to (int y, int len) noexcept
1884{ 1910{
1885 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1)); 1911 // lerp (y, 0, len, top_row, nrow - 1)
1912 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1886} 1913}
1887 1914
1888/* ------------------------------------------------------------------------- */ 1915/* ------------------------------------------------------------------------- */
1889/* 1916/*
1890 * Page the screen up/down nlines 1917 * Page the screen up/down nlines
1891 * direction should be UP or DN 1918 * direction should be UP or DN
1892 */ 1919 */
1893bool 1920bool
1894rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1921rxvt_term::scr_page (int nlines) noexcept
1895{ 1922{
1896 int new_view_start =
1897 direction == UP ? view_start - nlines
1898 : view_start + nlines;
1899
1900 return scr_changeview (new_view_start); 1923 return scr_changeview (view_start - nlines);
1901} 1924}
1902 1925
1903bool 1926bool
1904rxvt_term::scr_changeview (int new_view_start) NOTHROW 1927rxvt_term::scr_changeview (int new_view_start) noexcept
1905{ 1928{
1906 clamp_it (new_view_start, top_row, 0); 1929 clamp_it (new_view_start, top_row, 0);
1907 1930
1908 if (new_view_start == view_start) 1931 if (new_view_start == view_start)
1909 return false; 1932 return false;
… …
1927} 1950}
1928#endif 1951#endif
1929 1952
1930/* ------------------------------------------------------------------------- */ 1953/* ------------------------------------------------------------------------- */
1931void 1954void
1932rxvt_term::scr_bell () NOTHROW 1955rxvt_term::scr_bell () noexcept
1933{ 1956{
1934#ifndef NO_BELL 1957#ifndef NO_BELL
1935 1958
1936# ifndef NO_MAPALERT 1959# ifndef NO_MAPALERT
1937# ifdef MAPALERT_OPTION 1960# ifdef MAPALERT_OPTION
… …
1958 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1981 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1959#endif 1982#endif
1960} 1983}
1961 1984
1962/* ------------------------------------------------------------------------- */ 1985/* ------------------------------------------------------------------------- */
1963void 1986void ecb_cold
1964rxvt_term::scr_printscreen (int fullhist) NOTHROW 1987rxvt_term::scr_printscreen (int fullhist) noexcept
1965{ 1988{
1966#ifdef PRINTPIPE 1989#ifdef PRINTPIPE
1967 int nrows, row_start; 1990 int nrows, row_start;
1968 FILE *fd = popen_printer (); 1991 FILE *fd = popen_printer ();
1969 1992
… …
2017/* 2040/*
2018 * Refresh the screen 2041 * Refresh the screen
2019 * drawn_text/drawn_rend contain the screen information before the update. 2042 * drawn_text/drawn_rend contain the screen information before the update.
2020 * screen.text/screen.rend contain what the screen will change to. 2043 * screen.text/screen.rend contain what the screen will change to.
2021 */ 2044 */
2022void 2045void ecb_hot
2023rxvt_term::scr_refresh () NOTHROW 2046rxvt_term::scr_refresh () noexcept
2024{ 2047{
2025 int16_t col, row, /* column/row we're processing */ 2048 int16_t col, row, /* column/row we're processing */
2026 ocrow; /* old cursor row */ 2049 ocrow; /* old cursor row */
2027 int i; /* tmp */ 2050 int i; /* tmp */
2028#ifndef NO_CURSORCOLOR
2029 rend_t cc1; /* store colours at cursor position (s) */
2030#endif
2031 rend_t *crp; // cursor rendition pointer
2032 rend_t ccol1, /* Cursor colour */ 2051 rend_t ccol1, /* Cursor colour */
2033 ccol2; /* Cursor colour2 */ 2052 ccol2; /* Cursor colour2 */
2053 rend_t cur_rend;
2054 int cur_col;
2055 int cursorwidth;
2034 2056
2035 want_refresh = 0; /* screen is current */ 2057 want_refresh = 0; /* screen is current */
2036 2058
2037 if (refresh_type == NO_REFRESH || !mapped) 2059 if (refresh_type == NO_REFRESH || !mapped)
2038 return; 2060 return;
… …
2041 * A: set up vars 2063 * A: set up vars
2042 */ 2064 */
2043 refresh_count = 0; 2065 refresh_count = 0;
2044 2066
2045 unsigned int old_screen_flags = screen.flags; 2067 unsigned int old_screen_flags = screen.flags;
2046 char have_bg = 0; 2068 bool have_bg = 0;
2047#ifdef HAVE_BG_PIXMAP 2069#ifdef HAVE_IMG
2048 have_bg = bg_pixmap != None; 2070 have_bg = bg_img != 0;
2049#endif 2071#endif
2050 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2072 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2051 2073
2052 /* 2074 /*
2053 * B: reverse any characters which are selected 2075 * B: reverse any characters which are selected
… …
2057 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2079 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2058#if ENABLE_OVERLAY 2080#if ENABLE_OVERLAY
2059 scr_swap_overlay (); 2081 scr_swap_overlay ();
2060#endif 2082#endif
2061 2083
2062 char showcursor = screen.flags & Screen_VisibleCursor; 2084 bool showcursor = screen.flags & Screen_VisibleCursor;
2063 2085
2064 /* 2086 /*
2065 * C: set the cursor character (s) 2087 * C: set the cursor character (s)
2066 */ 2088 */
2067 { 2089 {
2068 unsigned char setoldcursor;
2069
2070#ifdef CURSOR_BLINK 2090#ifdef CURSOR_BLINK
2071 if (hidden_cursor) 2091 if (hidden_cursor)
2072 showcursor = 0; 2092 showcursor = 0;
2073#endif 2093#endif
2074 2094
… …
2077 int col = screen.cur.col; 2097 int col = screen.cur.col;
2078 2098
2079 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2099 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2080 col--; 2100 col--;
2081 2101
2102 cursorwidth = 1;
2103 while (col + cursorwidth < ncol
2104 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2105 cursorwidth++;
2106
2082 crp = &ROW(screen.cur.row).r[col]; 2107 cur_rend = ROW(screen.cur.row).r[col];
2108 cur_col = col;
2083 2109
2084#ifndef NO_CURSORCOLOR 2110#ifndef NO_CURSORCOLOR
2085 cc1 = *crp & (RS_fgMask | RS_bgMask);
2086 if (ISSET_PIXCOLOR (Color_cursor)) 2111 if (ISSET_PIXCOLOR (Color_cursor))
2087 ccol1 = Color_cursor; 2112 ccol1 = Color_cursor;
2088 else 2113 else
2089#endif 2114#endif
2090#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2115#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
… …
2102 ccol2 = bgcolor_of (rstyle); 2127 ccol2 = bgcolor_of (rstyle);
2103#else 2128#else
2104 ccol2 = Color_bg; 2129 ccol2 = Color_bg;
2105#endif 2130#endif
2106 2131
2107 if (focus) 2132 if (focus && cursor_type == 0)
2108 { 2133 {
2109 if (option (Opt_cursorUnderline)) 2134 rend_t rend = cur_rend;
2110 *crp ^= RS_Uline; 2135
2111 else
2112 {
2113 *crp ^= RS_RVid; 2136 rend ^= RS_RVid;
2114 *crp = SET_FGCOLOR (*crp, ccol1); 2137 rend = SET_FGCOLOR (rend, ccol1);
2115 *crp = SET_BGCOLOR (*crp, ccol2); 2138 rend = SET_BGCOLOR (rend, ccol2);
2116 } 2139
2140 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2117 } 2141 }
2118 } 2142 }
2119 2143
2120 /* make sure no outline cursor is left around */ 2144 /* make sure no outline cursor is left around */
2121 setoldcursor = 0; 2145 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2122 if (ocrow != -1) 2146 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2147
2148 // save the current cursor coordinates if the cursor is visible
2149 // and either the window is unfocused or the cursor style is
2150 // underline or vertical bar, so as to clear the outline cursor in
2151 // the next refresh if the cursor moves or becomes invisible
2152 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2123 { 2153 {
2124 if (screen.cur.row - view_start != ocrow 2154 oldcursor.row = screen.cur.row - view_start;
2125 || screen.cur.col != oldcursor.col) 2155 oldcursor.col = screen.cur.col;
2126 {
2127 if (ocrow < nrow
2128 && oldcursor.col < ncol)
2129 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2130
2131 if (focus || !showcursor)
2132 oldcursor.row = -1;
2133 else
2134 setoldcursor = 1;
2135 }
2136 } 2156 }
2137 else if (!focus) 2157 else
2138 setoldcursor = 1;
2139
2140 if (setoldcursor)
2141 {
2142 if (screen.cur.row - view_start >= nrow)
2143 oldcursor.row = -1; 2158 oldcursor.row = -1;
2144 else
2145 {
2146 oldcursor.row = screen.cur.row - view_start;
2147 oldcursor.col = screen.cur.col;
2148 }
2149 }
2150 } 2159 }
2151 2160
2152#ifndef NO_SLOW_LINK_SUPPORT 2161#ifndef NO_SLOW_LINK_SUPPORT
2153 /* 2162 /*
2154 * D: CopyArea pass - very useful for slower links 2163 * D: CopyArea pass - very useful for slower links
… …
2160 { 2169 {
2161 int16_t nits; 2170 int16_t nits;
2162 int i = num_scr; 2171 int i = num_scr;
2163 int j; 2172 int j;
2164 int len, wlen; 2173 int len, wlen;
2165 dLocal (int, num_scr);
2166 2174
2167 j = nrow; 2175 j = nrow;
2168 wlen = len = -1; 2176 wlen = len = -1;
2169 row = i > 0 ? 0 : j - 1; 2177 row = i > 0 ? 0 : j - 1;
2170 2178
… …
2236 int ypixel = (int)Row2Pixel (row); 2244 int ypixel = (int)Row2Pixel (row);
2237 2245
2238 for (col = 0; col < ncol; col++) 2246 for (col = 0; col < ncol; col++)
2239 { 2247 {
2240 /* compare new text with old - if exactly the same then continue */ 2248 /* compare new text with old - if exactly the same then continue */
2241 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2249 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2242 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2243 || (stp[col] == ' ' /* space w/ no background change */
2244 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2245 continue; 2250 continue;
2246 2251
2247 // redraw one or more characters 2252 // redraw one or more characters
2248 2253
2249 // seek to the beginning of wide characters 2254 // seek to the beginning of wide characters
… …
2421 else 2426 else
2422 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2427 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2423 2428
2424 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back)) 2429 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2425 { 2430 {
2431 if (showcursor && focus && row == screen.cur.row
2432 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2433 XSetForeground (dpy, gc, pix_colors[ccol1]);
2434 else
2426#if ENABLE_FRILLS 2435#if ENABLE_FRILLS
2427 if (ISSET_PIXCOLOR (Color_underline)) 2436 if (ISSET_PIXCOLOR (Color_underline))
2428 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2437 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2429 else 2438 else
2430#endif 2439#endif
… …
2442 */ 2451 */
2443 if (showcursor) 2452 if (showcursor)
2444 { 2453 {
2445 if (focus) 2454 if (focus)
2446 { 2455 {
2447 if (option (Opt_cursorUnderline)) 2456 if (cursor_type == 0)
2448 *crp ^= RS_Uline; 2457 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2449 else 2458 else if (oldcursor.row >= 0)
2450 { 2459 {
2451 *crp ^= RS_RVid; 2460 XSetForeground (dpy, gc, pix_colors[ccol1]);
2452#ifndef NO_CURSORCOLOR 2461 if (cursor_type == 1)
2453 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2462 XFillRectangle (dpy, vt, gc,
2454#endif 2463 Col2Pixel (cur_col),
2464 Row2Pixel (oldcursor.row + 1) - 2,
2465 Width2Pixel (1),
2466 2);
2467 else
2468 XFillRectangle (dpy, vt, gc,
2469 Col2Pixel (cur_col),
2470 Row2Pixel (oldcursor.row),
2471 2,
2472 Height2Pixel (1));
2455 } 2473 }
2456 } 2474 }
2457 else if (oldcursor.row >= 0) 2475 else if (oldcursor.row >= 0)
2458 { 2476 {
2459 int cursorwidth = 1;
2460 int col = oldcursor.col;
2461
2462 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2463 col--;
2464
2465 while (col + cursorwidth < ncol
2466 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2467 cursorwidth++;
2468
2469#ifndef NO_CURSORCOLOR
2470 if (ISSET_PIXCOLOR (Color_cursor))
2471 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2472 else
2473#endif
2474 XSetForeground (dpy, gc, pix_colors[ccol1]); 2477 XSetForeground (dpy, gc, pix_colors[ccol1]);
2475 2478
2476 XDrawRectangle (dpy, vt, gc, 2479 XDrawRectangle (dpy, vt, gc,
2477 Col2Pixel (col), 2480 Col2Pixel (cur_col),
2478 Row2Pixel (oldcursor.row), 2481 Row2Pixel (oldcursor.row),
2479 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2482 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2480 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2483 (unsigned int) (Height2Pixel (1) - 1));
2481 } 2484 }
2482 } 2485 }
2483 2486
2484 /* 2487 /*
2485 * H: cleanup selection 2488 * H: cleanup selection
… …
2494 screen.flags = old_screen_flags; 2497 screen.flags = old_screen_flags;
2495 num_scr = 0; 2498 num_scr = 0;
2496 num_scr_allow = 1; 2499 num_scr_allow = 1;
2497} 2500}
2498 2501
2499void 2502void ecb_cold
2500rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2503rxvt_term::scr_remap_chars (line_t &l) noexcept
2501{ 2504{
2502 if (!l.t) 2505 if (!l.valid ())
2503 return; 2506 return;
2504 2507
2505 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2506 2509
2507 for (int i = ncol; i--; ) 2510 for (int i = ncol; i--; )
2508 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2511 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2509} 2512}
2510 2513
2511void 2514void ecb_cold
2512rxvt_term::scr_remap_chars () NOTHROW 2515rxvt_term::scr_remap_chars () noexcept
2513{ 2516{
2514 for (int i = total_rows; i--; ) 2517 for (int i = total_rows; i--; )
2515 scr_remap_chars (row_buf [i]); 2518 scr_remap_chars (row_buf [i]);
2516 2519
2517 for (int i = nrow; i--; ) 2520 for (int i = nrow; i--; )
… …
2519 scr_remap_chars (drawn_buf [i]); 2522 scr_remap_chars (drawn_buf [i]);
2520 scr_remap_chars (swap_buf [i]); 2523 scr_remap_chars (swap_buf [i]);
2521 } 2524 }
2522} 2525}
2523 2526
2524void 2527void ecb_cold
2525rxvt_term::scr_recolour (bool refresh) NOTHROW 2528rxvt_term::scr_recolor (bool refresh) noexcept
2526{ 2529{
2527 bool transparent = false; 2530 bool transparent = false;
2528 2531
2529#ifdef HAVE_BG_PIXMAP 2532#ifdef HAVE_IMG
2530 if (bg_pixmap != None) 2533 if (bg_img != 0)
2531 { 2534 {
2532# ifdef ENABLE_TRANSPARENCY 2535# if ENABLE_TRANSPARENCY
2533 if (bg_flags & BG_IS_TRANSPARENT) 2536 if (bg_flags & BG_IS_TRANSPARENT)
2534 { 2537 {
2535 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap); 2538 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2536 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); 2539 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2537 2540
2538 transparent = true; 2541 transparent = true;
2539 } 2542 }
2540 else 2543 else
2541# endif 2544# endif
2542 { 2545 {
2543 XSetWindowBackground (dpy, parent, pix_colors[Color_border]); 2546 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2544 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap); 2547 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2545 } 2548 }
2546 } 2549 }
2547 else 2550 else
2548#endif 2551#endif
2549 { 2552 {
… …
2551 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2554 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2552 } 2555 }
2553 2556
2554 XClearWindow (dpy, parent); 2557 XClearWindow (dpy, parent);
2555 2558
2556 if (scrollBar.win) 2559 if (scrollBar.state && scrollBar.win)
2557 { 2560 {
2558 if (transparent) 2561 if (transparent)
2559 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2562 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2560 else 2563 else
2561 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2564 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2562 scrollBar.state = SB_STATE_IDLE; 2565 scrollBar.state = SB_STATE_IDLE;
2563 scrollBar.show (0); 2566 scrollBar.show (0);
2564 } 2567 }
2565 2568
2566 if (refresh) 2569 if (refresh)
… …
2571 want_refresh = 1; 2574 want_refresh = 1;
2572} 2575}
2573 2576
2574/* ------------------------------------------------------------------------- */ 2577/* ------------------------------------------------------------------------- */
2575void 2578void
2576rxvt_term::scr_clear (bool really) NOTHROW 2579rxvt_term::scr_clear (bool really) noexcept
2577{ 2580{
2578 if (!mapped) 2581 if (!mapped)
2579 return; 2582 return;
2580 2583
2581 num_scr_allow = 0; 2584 num_scr_allow = 0;
… …
2584 if (really) 2587 if (really)
2585 XClearWindow (dpy, vt); 2588 XClearWindow (dpy, vt);
2586} 2589}
2587 2590
2588void 2591void
2589rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW 2592rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2590{ 2593{
2591 int view_end = view_start + nrow; 2594 int view_end = view_start + nrow;
2592 int row, col; 2595 int row, col;
2593 2596
2594 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) 2597 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
… …
2606 srp[col] ^= rstyle2; 2609 srp[col] ^= rstyle2;
2607 } 2610 }
2608} 2611}
2609 2612
2610void 2613void
2611rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW 2614rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2612{ 2615{
2613 int view_end = view_start + nrow; 2616 int view_end = view_start + nrow;
2614 int row, col; 2617 int row, col;
2615 2618
2616 if (beg_row >= view_start) 2619 if (beg_row >= view_start)
… …
2632 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2635 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2633 srp[col] ^= rstyle; 2636 srp[col] ^= rstyle;
2634} 2637}
2635 2638
2636/* ------------------------------------------------------------------------- */ 2639/* ------------------------------------------------------------------------- */
2637void 2640void ecb_hot
2638rxvt_term::scr_reverse_selection () NOTHROW 2641rxvt_term::scr_reverse_selection () noexcept
2639{ 2642{
2640 if (selection.op 2643 if (selection.op
2641 && current_screen == selection.screen 2644 && current_screen == selection.screen
2642 && selection.end.row >= view_start) 2645 && selection.end.row >= view_start)
2643 { 2646 {
… …
2659 * Dump the whole scrollback and screen to the passed filedescriptor. The 2662 * Dump the whole scrollback and screen to the passed filedescriptor. The
2660 * invoking routine must close the fd. 2663 * invoking routine must close the fd.
2661 */ 2664 */
2662#if 0 2665#if 0
2663void 2666void
2664rxvt_term::scr_dump (int fd) NOTHROW 2667rxvt_term::scr_dump (int fd) noexcept
2665{ 2668{
2666 int row, wrote; 2669 // if this method is needed, it can be implemented by factoring the
2667 unsigned int width, towrite; 2670 // relevant code in scr_printscreen
2668 const char r1[] = "\n";
2669
2670 for (row = saveLines + top_row;
2671 row < saveLines + nrow - 1; row++)
2672 {
2673 width = row_buf[row].l >= 0 ? row_buf[row].l
2674 : ncol;
2675 for (towrite = width; towrite; towrite -= wrote)
2676 {
2677 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2678 towrite);
2679 if (wrote < 0)
2680 return; /* XXX: death, no report */
2681 }
2682 if (row_buf[row].l >= 0)
2683 if (write (fd, r1, 1) <= 0)
2684 return; /* XXX: death, no report */
2685 }
2686} 2671}
2687#endif 2672#endif
2688 2673
2689/* ------------------------------------------------------------------------- * 2674/* ------------------------------------------------------------------------- *
2690 * CHARACTER SELECTION * 2675 * CHARACTER SELECTION *
2691 * ------------------------------------------------------------------------- */ 2676 * ------------------------------------------------------------------------- */
2692void 2677void
2693rxvt_term::selection_check (int check_more) NOTHROW 2678rxvt_term::selection_check (int check_more) noexcept
2694{ 2679{
2695 if (!selection.op) 2680 if (!selection.op)
2696 return; 2681 return;
2697
2698 row_col_t pos;
2699 pos.row = pos.col = 0;
2700 2682
2701 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2702 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2684 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2703 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2685 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2704 || (check_more == 1 2686 || (check_more == 1
2705 && current_screen == selection.screen 2687 && current_screen == selection.screen
2706 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2688 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2707 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2689 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2708 || (check_more == 2
2709 && ROWCOL_IS_BEFORE (selection.beg, pos)
2710 && ROWCOL_IS_AFTER (selection.end, pos))
2711 || (check_more == 3
2712 && ROWCOL_IS_AFTER (selection.end, pos))
2713 || (check_more == 4 /* screen width change */
2714 && (selection.beg.row != selection.end.row
2715 || selection.end.col > ncol)))
2716 CLEAR_ALL_SELECTION (); 2690 CLEAR_ALL_SELECTION ();
2717} 2691}
2718 2692
2693void
2694rxvt_term::selection_changed () noexcept
2695{
2696 line_t &r1 = ROW (selection.beg.row);
2697 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2698 ++selection.beg.col;
2699
2700 line_t &r2 = ROW (selection.end.row);
2701 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2702 ++selection.end.col;
2703
2704 want_refresh = 1;
2705}
2706
2719/* ------------------------------------------------------------------------- */ 2707/* ------------------------------------------------------------------------- */
2720/* 2708/*
2721 * Paste a selection direct to the command fd 2709 * Paste a selection direct to the command fd
2722 */ 2710 */
2723void 2711void
2724rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW 2712rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2725{ 2713{
2726 /* convert normal newline chars into common keyboard Return key sequence */ 2714 /* convert normal newline chars into common keyboard Return key sequence */
2727 for (unsigned int i = 0; i < len; i++) 2715 for (unsigned int i = 0; i < len; i++)
2728 if (data[i] == C0_LF) 2716 if (data[i] == C0_LF)
2729 data[i] = C0_CR; 2717 data[i] = C0_CR;
2730 2718
2731 if (priv_modes & PrivMode_BracketPaste) 2719 if (priv_modes & PrivMode_BracketPaste)
2732 tt_printf ("\e[200~"); 2720 tt_printf ("\x1b[200~");
2733 2721
2734 tt_write (data, len); 2722 tt_write (data, len);
2735 2723
2736 if (priv_modes & PrivMode_BracketPaste) 2724 if (priv_modes & PrivMode_BracketPaste)
2737 tt_printf ("\e[201~"); 2725 tt_printf ("\x1b[201~");
2738} 2726}
2739 2727
2740void 2728void
2741rxvt_term::paste (char *data, unsigned int len) NOTHROW 2729rxvt_term::paste (char *data, unsigned int len) noexcept
2742{ 2730{
2743 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END))) 2731 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2744 return; 2732 return;
2745 2733
2746 tt_paste (data, len); 2734 tt_paste (data, len);
… …
2752 * if the requested selection has no owner or is empty CUT_BUFFER0 is used 2740 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2753 * as fallback 2741 * as fallback
2754 * EXT: button 2 release 2742 * EXT: button 2 release
2755 */ 2743 */
2756void 2744void
2757rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2745rxvt_term::selection_request (Time tm, int selnum) noexcept
2758{ 2746{
2759 if (!selection_req) 2747 if (!selection_req)
2760 { 2748 {
2761 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this); 2749 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2762 selection_req->run (); 2750 selection_req->run ();
… …
2767/* 2755/*
2768 * Clear all selected text 2756 * Clear all selected text
2769 * EXT: SelectionClear 2757 * EXT: SelectionClear
2770 */ 2758 */
2771void 2759void
2772rxvt_term::selection_clear (bool clipboard) NOTHROW 2760rxvt_term::selection_clear (bool clipboard) noexcept
2773{ 2761{
2774 if (!clipboard) 2762 if (!clipboard)
2775 { 2763 {
2776 want_refresh = 1; 2764 want_refresh = 1;
2777 free (selection.text); 2765 free (selection.text);
… …
2862 if (*t == NOCHAR) 2850 if (*t == NOCHAR)
2863 t++; 2851 t++;
2864#if ENABLE_COMBINING 2852#if ENABLE_COMBINING
2865 else if (IS_COMPOSE (*t)) 2853 else if (IS_COMPOSE (*t))
2866 { 2854 {
2867 int len = rxvt_composite.expand (*t, 0); 2855 int len = rxvt_composite.expand (*t);
2868 2856
2869 extra -= (len - 1); 2857 extra -= (len - 1);
2870 2858
2871 if (extra < 0) 2859 if (extra < 0)
2872 { 2860 {
… …
2919 2907
2920 selection_grab (tm); 2908 selection_grab (tm);
2921} 2909}
2922 2910
2923bool 2911bool
2924rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW 2912rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2925{ 2913{
2926 Atom sel; 2914 Atom sel;
2927 2915
2928 if (!clipboard) 2916 if (!clipboard)
2929 { 2917 {
… …
2962/* ------------------------------------------------------------------------- */ 2950/* ------------------------------------------------------------------------- */
2963/* 2951/*
2964 * Mark or select text based upon number of clicks: 1, 2, or 3 2952 * Mark or select text based upon number of clicks: 1, 2, or 3
2965 * EXT: button 1 press 2953 * EXT: button 1 press
2966 */ 2954 */
2967void 2955void ecb_cold
2968rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2956rxvt_term::selection_click (int clicks, int x, int y) noexcept
2969{ 2957{
2970 clicks = ((clicks - 1) % 3) + 1; 2958 clicks = ((clicks - 1) % 3) + 1;
2971 selection.clicks = clicks; /* save clicks so extend will work */ 2959 selection.clicks = clicks; /* save clicks so extend will work */
2972 2960
2973 if (clicks == 2 && !selection.rect 2961 if (clicks == 2 && !selection.rect
… …
2991 2979
2992/* ------------------------------------------------------------------------- */ 2980/* ------------------------------------------------------------------------- */
2993/* 2981/*
2994 * Mark a selection at the specified col/row 2982 * Mark a selection at the specified col/row
2995 */ 2983 */
2996void 2984void ecb_cold
2997rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2985rxvt_term::selection_start_colrow (int col, int row) noexcept
2998{ 2986{
2999 want_refresh = 1; 2987 want_refresh = 1;
3000 2988
3001 selection.mark.row = row + view_start; 2989 selection.mark.row = row + view_start;
3002 selection.mark.col = col; 2990 selection.mark.col = col;
… …
3024 * Word select: select text for 2 clicks 3012 * Word select: select text for 2 clicks
3025 * We now only find out the boundary in one direction 3013 * We now only find out the boundary in one direction
3026 */ 3014 */
3027 3015
3028/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3016/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3029#define DELIMIT_TEXT(x) \ 3017#define DELIMIT_TEXT(x) \
3030 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3018 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3031#define DELIMIT_REND(x) 1 3019#define DELIMIT_REND(x) 1
3032 3020
3033void 3021void ecb_cold
3034rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3022rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3035{ 3023{
3036 int col, row, dirnadd, tcol, trow, w1, w2; 3024 int col, row, dirnadd, tcol, trow, w1, w2;
3037 row_col_t bound; 3025 row_col_t bound;
3038 text_t *stp; 3026 text_t *stp;
3039 rend_t *srp; 3027 rend_t *srp;
… …
3112 * EXT: button 3 press; button 1 or 3 drag 3100 * EXT: button 3 press; button 1 or 3 drag
3113 * flag == 0 ==> button 1 3101 * flag == 0 ==> button 1
3114 * flag == 1 ==> button 3 press 3102 * flag == 1 ==> button 3 press
3115 * flag == 2 ==> button 3 motion 3103 * flag == 2 ==> button 3 motion
3116 */ 3104 */
3117void 3105void ecb_cold
3118rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3106rxvt_term::selection_extend (int x, int y, int flag) noexcept
3119{ 3107{
3120 int col = clamp (Pixel2Col (x), 0, ncol); 3108 int col = clamp (Pixel2Col (x), 0, ncol);
3121 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3109 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3122 3110
3123 /* 3111 /*
… …
3148 3136
3149/* ------------------------------------------------------------------------- */ 3137/* ------------------------------------------------------------------------- */
3150/* 3138/*
3151 * Extend the selection to the specified col/row 3139 * Extend the selection to the specified col/row
3152 */ 3140 */
3153void 3141void ecb_cold
3154rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3142rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3155{ 3143{
3156 row_col_t pos; 3144 row_col_t pos;
3157 enum { 3145 enum {
3158 LEFT, RIGHT 3146 LEFT, RIGHT
3159 } closeto = RIGHT; 3147 } closeto = RIGHT;
3160
3161 want_refresh = 1;
3162 3148
3163 switch (selection.op) 3149 switch (selection.op)
3164 { 3150 {
3165 case SELECTION_INIT: 3151 case SELECTION_INIT:
3166 CLEAR_SELECTION (); 3152 CLEAR_SELECTION ();
… …
3346 3332
3347#if !ENABLE_MINIMAL 3333#if !ENABLE_MINIMAL
3348 if (selection.rect && selection.beg.col > selection.end.col) 3334 if (selection.rect && selection.beg.col > selection.end.col)
3349 ::swap (selection.beg.col, selection.end.col); 3335 ::swap (selection.beg.col, selection.end.col);
3350#endif 3336#endif
3337
3338 selection_changed ();
3351} 3339}
3352 3340
3353#if !ENABLE_MINIMAL 3341#if !ENABLE_MINIMAL
3354void 3342void ecb_cold
3355rxvt_term::selection_remove_trailing_spaces () NOTHROW 3343rxvt_term::selection_remove_trailing_spaces () noexcept
3356{ 3344{
3357 int32_t end_col, end_row; 3345 int32_t end_col, end_row;
3358 text_t *stp; 3346 text_t *stp;
3359 3347
3360 end_col = selection.end.col; 3348 end_col = selection.end.col;
… …
3397/* ------------------------------------------------------------------------- */ 3385/* ------------------------------------------------------------------------- */
3398/* 3386/*
3399 * Double click on button 3 when already selected 3387 * Double click on button 3 when already selected
3400 * EXT: button 3 double click 3388 * EXT: button 3 double click
3401 */ 3389 */
3402void 3390void ecb_cold
3403rxvt_term::selection_rotate (int x, int y) NOTHROW 3391rxvt_term::selection_rotate (int x, int y) noexcept
3404{ 3392{
3405 selection.clicks = selection.clicks % 3 + 1; 3393 selection.clicks = selection.clicks % 3 + 1;
3406 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3394 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3407} 3395}
3408 3396
3409/* ------------------------------------------------------------------------- */ 3397/* ------------------------------------------------------------------------- */
3410/* 3398/*
3411 * Respond to a request for our current selection 3399 * Respond to a request for our current selection
3412 * EXT: SelectionRequest 3400 * EXT: SelectionRequest
3413 */ 3401 */
3414void 3402void ecb_cold
3415rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3403rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3416{ 3404{
3417 Atom property = rq.property == None ? rq.target : rq.property; 3405 Atom property = rq.property == None ? rq.target : rq.property;
3418 XSelectionEvent ev; 3406 XSelectionEvent ev;
3419 3407
3420 ev.type = SelectionNotify; 3408 ev.type = SelectionNotify;
… …
3512 cl = selection.clip_text; 3500 cl = selection.clip_text;
3513 selectlen = selection.clip_len; 3501 selectlen = selection.clip_len;
3514 } 3502 }
3515 else 3503 else
3516 { 3504 {
3517 cl = L""; 3505 cl = (wchar_t *)L"";
3518 selectlen = 0; 3506 selectlen = 0;
3519 } 3507 }
3520 3508
3521#if !ENABLE_MINIMAL 3509#if !ENABLE_MINIMAL
3522 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 3510 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
… …
3552 3540
3553 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3541 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3554} 3542}
3555 3543
3556/* ------------------------------------------------------------------------- */ 3544/* ------------------------------------------------------------------------- */
3557#ifdef USE_XIM 3545#if USE_XIM
3558void 3546void ecb_cold
3559rxvt_term::im_set_position (XPoint &pos) NOTHROW 3547rxvt_term::im_set_position (XPoint &pos) noexcept
3560{ 3548{
3561 XWindowAttributes xwa; 3549 XWindowAttributes xwa;
3562 3550
3563 XGetWindowAttributes (dpy, vt, &xwa); 3551 XGetWindowAttributes (dpy, vt, &xwa);
3564 3552
… …
3567} 3555}
3568#endif 3556#endif
3569 3557
3570#if ENABLE_OVERLAY 3558#if ENABLE_OVERLAY
3571void 3559void
3572rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW 3560rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3573{ 3561{
3574 if (nrow < 1 || ncol < 1) 3562 if (nrow < 1 || ncol < 1)
3575 return; 3563 return;
3576 3564
3577 want_refresh = 1; 3565 want_refresh = 1;
… …
3622 *rp = r; 3610 *rp = r;
3623 } 3611 }
3624} 3612}
3625 3613
3626void 3614void
3627rxvt_term::scr_overlay_off () NOTHROW 3615rxvt_term::scr_overlay_off () noexcept
3628{ 3616{
3629 if (!ov.text) 3617 if (!ov.text)
3630 return; 3618 return;
3631 3619
3632 want_refresh = 1; 3620 want_refresh = 1;
… …
3640 delete [] ov.text; ov.text = 0; 3628 delete [] ov.text; ov.text = 0;
3641 delete [] ov.rend; ov.rend = 0; 3629 delete [] ov.rend; ov.rend = 0;
3642} 3630}
3643 3631
3644void 3632void
3645rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW 3633rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3646{ 3634{
3647 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2) 3635 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3648 return; 3636 return;
3649 3637
3650 x++, y++; 3638 x++, y++;
… …
3652 ov.text[y][x] = text; 3640 ov.text[y][x] = text;
3653 ov.rend[y][x] = rend; 3641 ov.rend[y][x] = rend;
3654} 3642}
3655 3643
3656void 3644void
3657rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW 3645rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3658{ 3646{
3659 while (*s) 3647 while (*s)
3660 scr_overlay_set (x++, y, *s++); 3648 scr_overlay_set (x++, y, *s++);
3661} 3649}
3662 3650
3663void 3651void
3664rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW 3652rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3665{ 3653{
3666 while (*s) 3654 while (*s)
3667 { 3655 {
3668 text_t t = *s++; 3656 text_t t = *s++;
3669 int width = WCWIDTH (t); 3657 int width = WCWIDTH (t);
… …
3675 } 3663 }
3676 } 3664 }
3677} 3665}
3678 3666
3679void 3667void
3680rxvt_term::scr_swap_overlay () NOTHROW 3668rxvt_term::scr_swap_overlay () noexcept
3681{ 3669{
3682 if (!ov.text) 3670 if (!ov.text)
3683 return; 3671 return;
3684 3672
3685 // hide cursor if it is within the overlay area 3673 // hide cursor if it is within the overlay area

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