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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.319 by root, Tue Nov 4 23:08:44 2008 UTC vs.
Revision 1.467 by root, Mon Aug 8 09:45:06 2022 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 * 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
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
33#include "salloc.C" // HACK, should be a seperate compile! 34static inline void
34
35static inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
36{ 36{
37 while (len--) 37 while (len--)
38 *start++ = value; 38 *start++ = value;
39} 39}
40 40
41/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
42#define PROP_SIZE 256*1024
43#define PASTE_SIZE 32768
44#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
45 43
46/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
97 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
98 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
99 97
100/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
101void 99void
102rxvt_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
103{ 101{
104 if (!l.t) 102 if (!l.valid ())
105 { 103 {
106 lalloc (l); 104 l.alloc ();
107 col = 0; 105 col = 0;
108 width = ncol; 106 width = ncol;
109 } 107 }
110 108
111 l.touch (); 109 l.touch ();
112 110
113 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles 111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
114 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
115 113
116 text_t *et = l.t + col; 114 text_t *et = l.t + col;
117 rend_t *er = l.r + col; 115 rend_t *er = l.r + col;
118 116
119 while (width--) 117 while (width--)
124} 122}
125 123
126/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
127/* 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 */
128void 126void
129rxvt_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
130{ 128{
131 scr_blank_line (l, 0, ncol, efs); 129 scr_blank_line (l, 0, ncol, efs);
132 130
133 l.l = 0; 131 l.l = 0;
134 l.f = 0; 132 l.f = 0;
135} 133}
136 134
137// nuke a single wide character at the given column 135// nuke a single wide character at the given column
138void 136void
139rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
140{ 138{
141 // find begin 139 // find begin
142 while (col > 0 && l.t[col] == NOCHAR) 140 while (col > 0 && l.t[col] == NOCHAR)
143 col--; 141 col--;
144 142
145 rend_t rend = l.r[col] & ~RS_baseattrMask; 143 rend_t rend = l.r[col] & ~RS_baseattrMask;
146 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147 147
148 // found start, nuke 148 // found start, nuke
149 do { 149 do {
150 l.t[col] = ' '; 150 l.t[col] = ' ';
151 l.r[col] = rend; 151 l.r[col] = rend;
152 col++; 152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR); 153 } while (col < ncol && l.t[col] == NOCHAR);
154} 154}
155 155
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
156/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
157 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
158 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
159 169
160void 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
161rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
162{ 216{
217#if ENABLE_OVERLAY
218 scr_overlay_off ();
219#endif
220
163 view_start = 0; 221 view_start = 0;
164 num_scr = 0; 222 num_scr = 0;
165 223
166 if (ncol == 0) 224 if (ncol == 0)
167 ncol = 80; 225 ncol = 80;
187 total_rows = nrow + saveLines; 245 total_rows = nrow + saveLines;
188 246
189 screen.tscroll = 0; 247 screen.tscroll = 0;
190 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
191 249
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
192 if (!row_buf) 258 if (!prev_row_buf)
193 { 259 {
194 /*
195 * first time called so just malloc everything: don't rely on realloc
196 */
197 top_row = 0; 260 top_row = 0;
198 term_start = 0; 261 term_start = 0;
199
200 talloc = new rxvt_salloc (ncol * sizeof (text_t));
201 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
202
203 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
204 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206
207 for (int row = nrow; row--; )
208 {
209 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
210 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
211 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
212 }
213 262
214 memset (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
215 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
216 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
217 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
231 selection.text = NULL; 280 selection.text = NULL;
232 selection.len = 0; 281 selection.len = 0;
233 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
234 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
235 selection.clicks = 0; 284 selection.clicks = 0;
285 selection.clip_text = NULL;
286 selection.clip_len = 0;
236 } 287 }
237 else 288 else
238 { 289 {
239 /* 290 /*
240 * add or delete rows as appropriate 291 * add or delete rows as appropriate
241 */ 292 */
242 293
243 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); 294 int common_col = min (prev_ncol, ncol);
244 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
245 295
246#if 0 296 // resize swap_buf, blank drawn_buf
247 if (nrow < prev_nrow)
248 {
249 for (int row = nrow; row < prev_nrow; row++)
250 {
251 lfree (swap_buf [row]);
252 lfree (drawn_buf[row]);
253 }
254 }
255#endif
256
257 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
258 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
259
260 for (int row = min (nrow, prev_nrow); row--; ) 297 for (int row = min (nrow, prev_nrow); row--; )
261 { 298 {
262 lresize (drawn_buf[row]); 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
263 lresize (swap_buf [row]); 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
264 } 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
265 302
266 for (int row = prev_nrow; row < nrow; row++) 303 copy_line (swap_buf [row], prev_swap_buf [row]);
267 { 304 }
268 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
269 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
270 }
271
272 line_t *old_buf = row_buf;
273 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
274 305
275 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
276 int pend = MOD (term_start + top_row , prev_total_rows); 307 int pend = MOD (term_start + top_row , prev_total_rows);
277 int q = total_rows; // rewrapped row 308 int q = total_rows; // rewrapped row
278 309
279 if (top_row) 310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
280 { 312 {
281 // Re-wrap lines. This is rather ugly, possibly because I am too dumb 313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
282 // to come up with a lean and mean algorithm. 314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
283 316
284 row_col_t ocur = screen.cur; 317 row_col_t ocur = screen.cur;
285 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
286 319
287 do 320 do
288 { 321 {
289 p = MOD (p - 1, prev_total_rows); 322 p = MOD (p - 1, prev_total_rows);
290#ifdef DEBUG_STRICT
291 assert (old_buf [MOD (p, prev_total_rows)].t); 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
292#endif
293 int plines = 1; 324 int plines = 1;
294 int llen = old_buf [MOD (p, prev_total_rows)].l; 325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
295 326
296 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
297 { 328 {
298 p = MOD (p - 1, prev_total_rows); 329 p = MOD (p - 1, prev_total_rows);
299 330
300 plines++; 331 plines++;
301 llen += prev_ncol; 332 llen += prev_ncol;
314 345
315 // re-assemble the full line by destination lines 346 // re-assemble the full line by destination lines
316 for (int qrow = q; qlines--; qrow++) 347 for (int qrow = q; qlines--; qrow++)
317 { 348 {
318 qline = row_buf + qrow; 349 qline = row_buf + qrow;
319 lalloc (*qline); 350 qline->alloc (); // redundant with next line
320 qline->l = ncol; 351 qline->l = ncol;
321 qline->is_longer (1); 352 qline->is_longer (1);
322 353
323 int qcol = 0; 354 int qcol = 0;
324 355
339 // this seems to upset applications/shells/readline 370 // this seems to upset applications/shells/readline
340 // least. 371 // least.
341 if (prow == ocur.row) 372 if (prow == ocur.row)
342 screen.cur.row = q - (total_rows - nrow); 373 screen.cur.row = q - (total_rows - nrow);
343 374
344 line_t &pline = old_buf [prow]; 375 line_t &pline = prev_row_buf [prow];
345 376
346 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
347 378
348 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
349 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
357 qline->is_longer (0); 388 qline->is_longer (0);
358 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
359 } 390 }
360 while (p != pend && q > 0); 391 while (p != pend && q > 0);
361 392
362 term_start = total_rows - nrow;
363 top_row = q - term_start; 393 top_row = q - term_start;
364 394
365 // make sure all terminal lines exist 395 // make sure all terminal lines exist
366 while (top_row > 0) 396 while (top_row > 0)
367 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE); 397 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
368 } 398 }
369 else 399 else
400#endif
401 {
402 // wing, instead of wrap
370 { 403 do
371 // if no scrollback exists (yet), wing, instead of wrap
372
373 for (int row = min (nrow, prev_nrow); row--; )
374 { 404 {
375 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 405 p = MOD (p - 1, prev_total_rows);
376 line_t &qline = row_buf [row]; 406 q--;
377 407
378 qline = pline; 408 copy_line (row_buf [q], prev_row_buf [p]);
379 lresize (qline);
380 } 409 }
410 while (p != pend);
381 411
382 for (int row = prev_nrow; row < nrow; row++) 412 screen.cur.row += nrow - prev_nrow;
383 {
384 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
385 } 413 }
386 414
387 term_start = 0; 415 term_start = total_rows - nrow;
388 }
389
390 free (old_buf);
391 delete old_ta;
392 delete old_ra;
393 416
394 clamp_it (screen.cur.row, 0, nrow - 1); 417 clamp_it (screen.cur.row, 0, nrow - 1);
395 clamp_it (screen.cur.col, 0, ncol - 1); 418 clamp_it (screen.cur.col, 0, ncol - 1);
396 } 419 }
397 420
421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
422 for (int row = nrow; row--; )
423 {
424 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
425 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
426 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
427 }
428
429 chunk_free (prev_chunk, prev_chunk_size);
430
431 free (tabs);
432 tabs = (char *)rxvt_malloc (ncol);
433
434 for (int col = ncol; col--; )
435 tabs [col] = col % TABSIZE == 0;
436
398 CLEAR_ALL_SELECTION (); 437 CLEAR_ALL_SELECTION ();
399 438
400 prev_nrow = nrow; 439 prev_nrow = nrow;
401 prev_ncol = ncol; 440 prev_ncol = ncol;
402 441
403 tt_winch (); 442 tt_winch ();
404 443
405 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
406} 445}
407 446
408/* ------------------------------------------------------------------------- */ 447void ecb_cold
409/*
410 * Free everything. That way malloc debugging can find leakage.
411 */
412void
413rxvt_term::scr_release () NOTHROW 448rxvt_term::scr_release () noexcept
414{ 449{
415 if (row_buf) 450 chunk_free (chunk, chunk_size);
416 { 451 chunk = 0;
417 delete talloc; talloc = 0; 452 row_buf = 0;
418 delete ralloc; ralloc = 0;
419 453
420 free (row_buf);
421 free (swap_buf);
422 free (drawn_buf);
423 row_buf = 0; // signal that we freed all the arrays above
424
425 free (tabs); 454 free (tabs);
426 tabs = 0; 455 tabs = 0;
427 }
428} 456}
429 457
430/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
431/* 459/*
432 * Hard/Soft reset 460 * Hard/Soft reset
433 */ 461 */
434void 462void ecb_cold
435rxvt_term::scr_poweron () 463rxvt_term::scr_poweron ()
436{ 464{
437 scr_release (); 465 scr_release ();
466
438 prev_nrow = prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
468 rvideo_mode = false;
439 scr_soft_reset (); 469 scr_soft_reset ();
440 scr_reset (); 470 scr_reset ();
441 471
442 scr_clear (true); 472 scr_clear (true);
443 scr_refresh (); 473 scr_refresh ();
444} 474}
445 475
446void 476void ecb_cold
447rxvt_term::scr_soft_reset () 477rxvt_term::scr_soft_reset () noexcept
448{ 478{
449 /* only affects modes, nothing drastic such as clearing the screen */ 479 /* only affects modes, nothing drastic such as clearing the screen */
450#if ENABLE_OVERLAY 480#if ENABLE_OVERLAY
451 scr_overlay_off (); 481 scr_overlay_off ();
452#endif 482#endif
453 483
454 rvideo_mode = false;
455
456 if (current_screen != PRIMARY) 484 if (current_screen != PRIMARY)
457 scr_swap_screen (); 485 scr_swap_screen ();
458
459 free (tabs);
460 tabs = (char *)rxvt_malloc (ncol);
461
462 for (int col = ncol; --col; )
463 tabs [col] = col % TABSIZE == 0;
464 486
465 scr_scroll_region (0, MAX_ROWS - 1); 487 scr_scroll_region (0, MAX_ROWS - 1);
466 scr_rendition (0, ~RS_None); 488 scr_rendition (0, ~RS_None);
467 scr_insert_mode (0); 489 scr_insert_mode (0);
468} 490}
474 * Save and Restore cursor 496 * Save and Restore cursor
475 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
476 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
477 */ 499 */
478void 500void
479rxvt_term::scr_cursor (cursor_mode mode) NOTHROW 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
480{ 502{
481 screen_t *s; 503 screen_t *s;
482 504
483#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
484 if (current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
510 } 532 }
511 533
512 /* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
513 min_it (s->cur.row, nrow - 1); 535 min_it (s->cur.row, nrow - 1);
514 min_it (s->cur.col, ncol - 1); 536 min_it (s->cur.col, ncol - 1);
515#ifdef DEBUG_STRICT
516 assert (s->cur.row >= 0); 537 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 538 assert (s->cur.col >= 0);
518#endif
519} 539}
520 540
521void 541void
522rxvt_term::scr_swap_screen () 542rxvt_term::scr_swap_screen () noexcept
523{ 543{
524 if (!option (Opt_secondaryScreen)) 544 if (!option (Opt_secondaryScreen))
525 return; 545 return;
526 546
527 for (int i = prev_nrow; i--; ) 547 for (int i = prev_nrow; i--; )
546 return; 566 return;
547 567
548 want_refresh = 1; 568 want_refresh = 1;
549 view_start = 0; 569 view_start = 0;
550 570
551 selection_check (2); /* check for boundary cross */ 571 /* check for boundary cross */
572 row_col_t pos;
573 pos.row = pos.col = 0;
574 if (ROWCOL_IS_BEFORE (selection.beg, pos)
575 && ROWCOL_IS_AFTER (selection.end, pos))
576 CLEAR_SELECTION ();
552 577
553 int i = current_screen; current_screen = scrn; scrn = i; 578 current_screen = scrn;
554 579
555#if NSCREENS 580#if NSCREENS
556 if (option (Opt_secondaryScreen)) 581 if (option (Opt_secondaryScreen))
557 { 582 {
558 num_scr = 0; 583 num_scr = 0;
570 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
571} 596}
572 597
573// clear WrapNext indicator, solidifying position on next line 598// clear WrapNext indicator, solidifying position on next line
574void 599void
575rxvt_term::scr_do_wrap () NOTHROW 600rxvt_term::scr_do_wrap () noexcept
576{ 601{
577 if (!(screen.flags & Screen_WrapNext)) 602 if (!(screen.flags & Screen_WrapNext))
578 return; 603 return;
579 604
580 screen.flags &= ~Screen_WrapNext; 605 screen.flags &= ~Screen_WrapNext;
590/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
591/* 616/*
592 * Change the colour for following text 617 * Change the colour for following text
593 */ 618 */
594void 619void
595rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
596{ 621{
597 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) 622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
598 color = fgbg; 623 color = fgbg;
599 624
600 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
601 rstyle = SET_FGCOLOR (rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
602 else 627 else
606/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
607/* 632/*
608 * Change the rendition style for following text 633 * Change the rendition style for following text
609 */ 634 */
610void 635void
611rxvt_term::scr_rendition (int set, int style) NOTHROW 636rxvt_term::scr_rendition (int set, int style) noexcept
612{ 637{
613 if (set) 638 if (set)
614 rstyle |= style; 639 rstyle |= style;
615 else if (style == ~RS_None) 640 else if (style == ~RS_None)
616 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
622/* 647/*
623 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
624 * count positive ==> scroll up 649 * count positive ==> scroll up
625 * count negative ==> scroll down 650 * count negative ==> scroll down
626 */ 651 */
627int 652int ecb_hot
628rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
629{ 654{
630 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
631 return 0; 656 return 0;
632 657
633 want_refresh = 1; 658 want_refresh = 1;
635 660
636 if (count > 0 661 if (count > 0
637 && row1 == 0 662 && row1 == 0
638 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
639 { 664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
640 top_row = max (top_row - count, -saveLines); 667 top_row = max (top_row - count, -saveLines);
641
642 // scroll everything up 'count' lines
643 term_start = (term_start + count) % total_rows;
644 668
645 // sever bottommost line 669 // sever bottommost line
646 { 670 {
647 line_t &l = ROW(row2 - count); 671 line_t &l = ROW(row2);
648 l.is_longer (0); 672 l.is_longer (0);
649 l.touch (); 673 l.touch ();
650 } 674 }
651 675
676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
678
679 // now copy lines below the scroll region bottom to the
680 // bottom of the screen again, so they look as if they
681 // hadn't moved.
682 for (int i = nrow; --i > row2; )
683 {
684 line_t &l1 = ROW(i - count);
685 line_t &l2 = ROW(i);
686
687 ::swap (l1, l2);
688 l2.touch ();
689 }
690
652 // erase newly scrolled-in lines 691 // erase newly scrolled-in lines
653 for (int i = count; i--; ) 692 for (int i = count; i--; )
654 { 693 {
655 line_t &l = ROW(nrow - 1 - i); 694 line_t &l = ROW(row2 - i);
656 695
657 // optimize if already cleared, can be significant on slow machines 696 // optimise if already cleared, can be significant on slow machines
658 // could be rolled into scr_blank_screen_mem 697 // could be rolled into scr_blank_screen_mem
659 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 698 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
660 { 699 {
661 scr_blank_line (l, 0, l.l, rstyle); 700 scr_blank_line (l, 0, l.l, rstyle);
662 l.l = 0; 701 l.l = 0;
664 } 703 }
665 else 704 else
666 scr_blank_screen_mem (l, rstyle); 705 scr_blank_screen_mem (l, rstyle);
667 } 706 }
668 707
669 // now copy lines below the scroll region bottom to the
670 // bottom of the screen again, so they look as if they
671 // hadn't moved.
672 for (int i = nrow; --i > row2; )
673 {
674 line_t &l1 = ROW(i - count);
675 line_t &l2 = ROW(i);
676
677 ::swap (l1, l2);
678 l2.touch ();
679 }
680
681 // move and/or clear selection, if any 708 // move and/or clear selection, if any
682 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
710 && selection.beg.row <= row2)
683 { 711 {
684 selection.beg.row -= count; 712 selection.beg.row -= count;
685 selection.end.row -= count; 713 selection.end.row -= count;
686 selection.mark.row -= count; 714 selection.mark.row -= count;
687 715
688 if (selection.beg.row < top_row 716 selection_check (0);
689 || selection.end.row < top_row
690 || selection.mark.row < top_row)
691 {
692 CLEAR_ALL_SELECTION ();
693 selection.op = SELECTION_CLEAR;
694 }
695 } 717 }
696 718
697 // finally move the view window, if desired 719 // finally move the view window, if desired
698 if (option (Opt_scrollWithBuffer) 720 if (option (Opt_scrollWithBuffer)
699 && view_start != 0 721 && view_start != 0
700 && view_start != -saveLines) 722 && view_start != -saveLines)
701 scr_page (UP, count); 723 scr_page (count);
702 724
703 if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) 725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
704 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); 726 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
705 } 727 }
706 else 728 else
729 } 751 }
730 752
731 // use a simple and robust scrolling algorithm, this 753 // use a simple and robust scrolling algorithm, this
732 // part of scr_scroll_text is not time-critical. 754 // part of scr_scroll_text is not time-critical.
733 755
756 // sever line above scroll region
757 if (row1)
758 {
759 line_t &l = ROW(row1 - 1);
760 l.is_longer (0);
761 l.touch ();
762 }
763
734 int rows = row2 - row1 + 1; 764 int rows = row2 - row1 + 1;
735 765
736 min_it (count, rows); 766 min_it (count, rows);
737 767
738 line_t *temp_buf = row_buf + total_rows; 768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
739 769
740 for (int row = 0; row < rows; row++) 770 for (int row = 0; row < rows; row++)
741 { 771 {
742 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
743 773
745 scr_blank_screen_mem (temp_buf [row], rstyle); 775 scr_blank_screen_mem (temp_buf [row], rstyle);
746 } 776 }
747 777
748 for (int row = 0; row < rows; row++) 778 for (int row = 0; row < rows; row++)
749 ROW(row1 + row) = temp_buf [row]; 779 ROW(row1 + row) = temp_buf [row];
780
781 // sever bottommost line
782 {
783 line_t &l = ROW(row2);
784 l.is_longer (0);
785 l.touch ();
786 }
750 } 787 }
751 788
752 return count; 789 return count;
753} 790}
754 791
755/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
756/* 793/*
757 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
758 */ 795 */
759void 796void ecb_hot
760rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
761{ 798{
762 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
763 return; 800 return;
764 801
765 unsigned char checksel; 802 bool checksel;
766 unicode_t c; 803 unicode_t c;
767 int ncol = this->ncol; 804 int ncol = this->ncol;
768 const wchar_t *strend = str + len; 805 const wchar_t *strend = str + len;
769 806
770 want_refresh = 1; 807 want_refresh = 1;
783 scr_scroll_text (screen.tscroll, screen.bscroll, minlines); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
784 screen.cur.row -= minlines; 821 screen.cur.row -= minlines;
785 } 822 }
786 } 823 }
787 824
788#ifdef DEBUG_STRICT
789 assert (screen.cur.col < ncol); 825 assert (screen.cur.col < ncol);
790 assert (screen.cur.row < nrow 826 assert (screen.cur.row < nrow
791 && screen.cur.row >= top_row); 827 && screen.cur.row >= top_row);
792#endif
793 int row = screen.cur.row; 828 int row = screen.cur.row;
794 829
795 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
796 831
797 line_t *line = &ROW(row); 832 line_t *line = &ROW(row);
798 833
799 while (str < strend) 834 while (str < strend)
800 { 835 {
801 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
802 837
803 if (expect_false (c < 0x20)) 838 if (ecb_unlikely (c < 0x20))
804 if (c == C0_LF) 839 if (c == C0_LF)
805 { 840 {
806 max_it (line->l, screen.cur.col); 841 max_it (line->l, screen.cur.col);
807 842
808 screen.flags &= ~Screen_WrapNext; 843 screen.flags &= ~Screen_WrapNext;
827 { 862 {
828 scr_tab (1, true); 863 scr_tab (1, true);
829 continue; 864 continue;
830 } 865 }
831 866
832 if (expect_false ( 867 if (ecb_unlikely (
833 checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
834 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
835 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
836 )) 871 ))
837 { 872 {
842 * should be a similar check. 877 * should be a similar check.
843 */ 878 */
844 CLEAR_SELECTION (); 879 CLEAR_SELECTION ();
845 } 880 }
846 881
847 if (expect_false (screen.flags & Screen_WrapNext)) 882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
848 { 883 {
849 scr_do_wrap (); 884 scr_do_wrap ();
850 885
851 line->l = ncol; 886 line->l = ncol;
852 line->is_longer (1); 887 line->is_longer (1);
854 row = screen.cur.row; 889 row = screen.cur.row;
855 line = &ROW(row); /* _must_ refresh */ 890 line = &ROW(row); /* _must_ refresh */
856 } 891 }
857 892
858 // some utf-8 decoders "decode" surrogate characters: let's fix this. 893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
859 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
860 c = 0xfffd; 895 c = 0xfffd;
861 896
862 // rely on wcwidth to tell us the character width, do wcwidth before 897 // rely on wcwidth to tell us the character width, do wcwidth before
863 // further replacements, as wcwidth might return -1 for the line 898 // further replacements, as wcwidth might return -1 for the line
864 // drawing characters below as they might be invalid in the current 899 // drawing characters below as they might be invalid in the current
865 // locale. 900 // locale.
866 int width = WCWIDTH (c); 901 int width = WCWIDTH (c);
867 902
868 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
869 { 904 {
870 // vt100 special graphics and line drawing 905 // vt100 special graphics and line drawing
871 // 5f-7e standard vt100 906 // 5f-7e standard vt100
872 // 40-5e rxvt extension for extra curses acs chars 907 // 40-5e rxvt extension for extra curses acs chars
873 static uint16_t vt100_0[62] = { // 41 .. 7e 908 static uint16_t vt100_0[62] = { // 41 .. 7e
886 c = vt100_0[c - 0x41]; 921 c = vt100_0[c - 0x41];
887 width = 1; // vt100 line drawing characters are always single-width 922 width = 1; // vt100 line drawing characters are always single-width
888 } 923 }
889 } 924 }
890 925
891 if (expect_false (screen.flags & Screen_Insert)) 926 if (ecb_unlikely (screen.flags & Screen_Insert))
892 scr_insdel_chars (width, INSERT); 927 scr_insdel_chars (width, INSERT);
893 928
894 if (width != 0) 929 if (width != 0)
895 { 930 {
896#if !UNICODE_3 931#if !UNICODE_3
901# else 936# else
902 c = 0xfffd; 937 c = 0xfffd;
903# endif 938# endif
904#endif 939#endif
905 940
941 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
942
943 // if the character doesn't fit into the remaining columns...
944 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
945 {
946 if (screen.flags & Screen_Autowrap)
947 {
948 // ... artificially enlargen the previous one
949 c = NOCHAR;
950 // and try the same character next loop iteration
951 --str;
952 }
953 else
954 screen.cur.col = ncol - width;
955 }
956
906 // nuke the character at this position, if required 957 // nuke the character at this position, if required
907 if (expect_false ( 958 // due to wonderful coincidences everywhere else in this loop
959 // we never have to check for overwriting a wide char itself,
960 // only its tail.
908 line->t[screen.cur.col] == NOCHAR 961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
909 || (screen.cur.col < ncol - 1
910 && line->t[screen.cur.col + 1] == NOCHAR)
911 ))
912 scr_kill_char (*line, screen.cur.col); 962 scr_kill_char (*line, screen.cur.col);
913
914 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
915
916 // if the character doesn't fit into the remaining columns...
917 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
918 {
919 // ... artificially enlargen the previous one
920 c = NOCHAR;
921 // and try the same character next loop iteration
922 --str;
923 }
924 963
925 line->touch (); 964 line->touch ();
926 965
927 do 966 do
928 { 967 {
929 line->t[screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
930 line->r[screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
931 970
932 if (expect_true (screen.cur.col < ncol - 1)) 971 if (ecb_likely (screen.cur.col < ncol - 1))
933 screen.cur.col++; 972 screen.cur.col++;
934 else 973 else
935 { 974 {
936 line->l = ncol; 975 line->l = ncol;
937 if (screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
938 screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
939 break; 978
979 goto end_of_line;
940 } 980 }
941 981
942 c = NOCHAR; 982 c = NOCHAR;
943 } 983 }
944 while (expect_false (--width > 0)); 984 while (ecb_unlikely (--width > 0));
945 985
946 // pad with spaces when overwriting wide character with smaller one 986 // pad with spaces when overwriting wide character with smaller one
947 if (expect_false (!width)) 987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
948 { 988 {
949 line->touch ();
950
951 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
952 {
953 line->t[c] = ' '; 989 line->t[c] = ' ';
954 line->r[c] = rend; 990 line->r[c] = rend;
955 }
956 } 991 }
992
993end_of_line:
994 ;
957 } 995 }
958#if ENABLE_COMBINING 996#if ENABLE_COMBINING
959 else // width == 0 997 else // width == 0
960 { 998 {
961 if (c != 0xfeff) // ignore BOM 999 if (c != 0xfeff) // ignore BOM
976 } 1014 }
977 else if (screen.cur.row > 0 1015 else if (screen.cur.row > 0
978 && ROW(screen.cur.row - 1).is_longer ()) 1016 && ROW(screen.cur.row - 1).is_longer ())
979 { 1017 {
980 linep = &ROW(screen.cur.row - 1); 1018 linep = &ROW(screen.cur.row - 1);
981 tp = line->t + ncol - 1; 1019 tp = linep->t + ncol - 1;
982 rp = line->r + ncol - 1; 1020 rp = linep->r + ncol - 1;
983 } 1021 }
984 else 1022 else
985 continue; 1023 continue;
986 1024
987 linep->touch (); 1025 linep->touch ();
1001#endif 1039#endif
1002 } 1040 }
1003 1041
1004 max_it (line->l, screen.cur.col); 1042 max_it (line->l, screen.cur.col);
1005 1043
1006#ifdef DEBUG_STRICT
1007 assert (screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
1008#endif
1009} 1045}
1010 1046
1011/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
1012/* 1048/*
1013 * Process Backspace. Move back the cursor back a position, wrap if have to 1049 * Process Backspace. Move back the cursor back a position, wrap if have to
1014 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
1015 */ 1051 */
1016void 1052void
1017rxvt_term::scr_backspace () NOTHROW 1053rxvt_term::scr_backspace () noexcept
1018{ 1054{
1019 if (screen.cur.col == 0) 1055 if (screen.cur.col == 0)
1020 { 1056 {
1021 if (screen.cur.row > 0) 1057 if (screen.cur.row > 0)
1022 { 1058 {
1026 1062
1027 want_refresh = 1; 1063 want_refresh = 1;
1028#endif 1064#endif
1029 } 1065 }
1030 } 1066 }
1067 else if (screen.flags & Screen_WrapNext)
1068 screen.flags &= ~Screen_WrapNext;
1031 else 1069 else
1032 scr_gotorc (0, -1, RELATIVE); 1070 scr_gotorc (0, -1, RELATIVE);
1033} 1071}
1034 1072
1035/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
1037 * Process Horizontal Tab 1075 * Process Horizontal Tab
1038 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
1039 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
1040 */ 1078 */
1041void 1079void
1042rxvt_term::scr_tab (int count, bool ht) NOTHROW 1080rxvt_term::scr_tab (int count, bool ht) noexcept
1043{ 1081{
1044 int i, x; 1082 int i, x;
1045 1083
1046 want_refresh = 1; 1084 want_refresh = 1;
1047 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
1113 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1114 * Move cursor left in row. If we're at the left boundary, shift everything 1152 * Move cursor left in row. If we're at the left boundary, shift everything
1115 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1116 */ 1154 */
1117#if !ENABLE_MINIMAL 1155#if !ENABLE_MINIMAL
1118void 1156void ecb_cold
1119rxvt_term::scr_backindex () NOTHROW 1157rxvt_term::scr_backindex () noexcept
1120{ 1158{
1121 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1122 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1123 else 1161 else
1124 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1130 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1131 * Move cursor right in row. If we're at the right boundary, shift everything 1169 * Move cursor right in row. If we're at the right boundary, shift everything
1132 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1133 */ 1171 */
1134#if !ENABLE_MINIMAL 1172#if !ENABLE_MINIMAL
1135void 1173void ecb_cold
1136rxvt_term::scr_forwardindex () NOTHROW 1174rxvt_term::scr_forwardindex () noexcept
1137{ 1175{
1138 if (screen.cur.col < ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1139 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1140 else 1178 else
1141 { 1179 {
1154/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1155/* 1193/*
1156 * Goto Row/Column 1194 * Goto Row/Column
1157 */ 1195 */
1158void 1196void
1159rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1160{ 1198{
1161 want_refresh = 1; 1199 want_refresh = 1;
1162 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
1163 1201
1164 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1203/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1204/* 1242/*
1205 * direction should be UP or DN 1243 * direction should be UP or DN
1206 */ 1244 */
1207void 1245void
1208rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1209{ 1247{
1210 int dirn;
1211
1212 want_refresh = 1; 1248 want_refresh = 1;
1213 ZERO_SCROLLBACK (); 1249 ZERO_SCROLLBACK ();
1214 1250
1215 dirn = ((direction == UP) ? 1 : -1);
1216
1217 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1218 1252
1219 if ((screen.cur.row == screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1220 || (screen.cur.row == screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1221 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1222 else 1256 else
1223 screen.cur.row += dirn; 1257 screen.cur.row += direction;
1224 1258
1225 clamp_it (screen.cur.row, 0, nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1226 selection_check (0); 1260 selection_check (0);
1227} 1261}
1228 1262
1233 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1234 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1235 * extension: clear to right unless wrapped: ESC [ 3 K 1269 * extension: clear to right unless wrapped: ESC [ 3 K
1236 */ 1270 */
1237void 1271void
1238rxvt_term::scr_erase_line (int mode) NOTHROW 1272rxvt_term::scr_erase_line (int mode) noexcept
1239{ 1273{
1240 unsigned int col, num; 1274 unsigned int col, num;
1241 1275
1242 want_refresh = 1; 1276 want_refresh = 1;
1243 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
1291 scr_blank_line (line, col, num, rstyle); 1325 scr_blank_line (line, col, num, rstyle);
1292} 1326}
1293 1327
1294/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1295/* 1329/*
1296 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1297 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300 */ 1334 */
1301void 1335void
1302rxvt_term::scr_erase_screen (int mode) NOTHROW 1336rxvt_term::scr_erase_screen (int mode) noexcept
1303{ 1337{
1304 int num; 1338 int num;
1305 int32_t row; 1339 int32_t row;
1306 rend_t ren; 1340 rend_t ren;
1307 XGCValues gcvalue; 1341 XGCValues gcvalue;
1310 ZERO_SCROLLBACK (); 1344 ZERO_SCROLLBACK ();
1311 1345
1312 switch (mode) 1346 switch (mode)
1313 { 1347 {
1314 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1315 selection_check (1);
1316 scr_erase_line (0); 1349 scr_erase_line (0);
1317 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1318 num = nrow - row; 1351 num = nrow - row;
1319 break; 1352 break;
1320 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1321 selection_check (3);
1322 scr_erase_line (1); 1354 scr_erase_line (1);
1323 row = 0; 1355 row = 0;
1324 num = screen.cur.row; 1356 num = screen.cur.row;
1325 break; 1357 break;
1326 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1327 selection_check (3);
1328 row = 0; 1359 row = 0;
1329 num = nrow; 1360 num = nrow;
1330 break; 1361 break;
1331 default: 1362 default:
1332 return; 1363 return;
1341 if (row >= nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1342 return; 1373 return;
1343 1374
1344 min_it (num, nrow - row); 1375 min_it (num, nrow - row);
1345 1376
1346 /*TODO: the xlceararea/xfillrectangle below don't take scroll offste into account, ask mikachu for details */
1347 if (rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1348 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1349 else if (GET_BASEBG (rstyle) == Color_bg) 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1350 { 1380 {
1351 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1352 1382
1353 if (mapped) 1383 if (mapped)
1354 XClearArea (dpy, vt, 0, 1384 XClearArea (dpy, vt, 0,
1355 Row2Pixel (row), (unsigned int)width, 1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1356 (unsigned int)Height2Pixel (num), False); 1386 (unsigned int)Height2Pixel (num), False);
1357 } 1387 }
1358 else 1388 else
1359 { 1389 {
1360 ren = rstyle & (RS_fgMask | RS_bgMask); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1361 1391
1392 if (mapped)
1393 {
1362 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1363 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1364 XFillRectangle (dpy, vt, gc, 1396 XFillRectangle (dpy, vt, gc,
1365 0, Row2Pixel (row), 1397 0, Row2Pixel (row - view_start),
1366 (unsigned int)width, 1398 (unsigned int)vt_width,
1367 (unsigned int)Height2Pixel (num)); 1399 (unsigned int)Height2Pixel (num));
1368 gcvalue.foreground = pix_colors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1369 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1370 } 1403 }
1371 1404
1372 for (; num--; row++) 1405 for (; num--; row++)
1373 { 1406 {
1374 scr_blank_screen_mem (ROW(row), rstyle); 1407 scr_blank_screen_mem (ROW(row), rstyle);
1408
1409 if (row - view_start < nrow)
1375 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1376 } 1411 }
1377} 1412}
1378 1413
1379#if !ENABLE_MINIMAL 1414#if !ENABLE_MINIMAL
1380void 1415void
1381rxvt_term::scr_erase_savelines () NOTHROW 1416rxvt_term::scr_erase_savelines () noexcept
1382{ 1417{
1383 want_refresh = 1; 1418 want_refresh = 1;
1384 ZERO_SCROLLBACK (); 1419 ZERO_SCROLLBACK ();
1385 1420
1386 top_row = 0; 1421 top_row = 0;
1390/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1391/* 1426/*
1392 * Fill the screen with `E's 1427 * Fill the screen with `E's
1393 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1394 */ 1429 */
1395void 1430void ecb_cold
1396rxvt_term::scr_E () NOTHROW 1431rxvt_term::scr_E () noexcept
1397{ 1432{
1398 rend_t fs; 1433 rend_t fs;
1399 1434
1400 want_refresh = 1; 1435 want_refresh = 1;
1401 ZERO_SCROLLBACK (); 1436 ZERO_SCROLLBACK ();
1402 1437
1403 num_scr_allow = 0; 1438 num_scr_allow = 0;
1404 selection_check (3); 1439
1440 row_col_t pos;
1441 pos.row = pos.col = 0;
1442 if (ROWCOL_IS_AFTER (selection.end, pos))
1443 CLEAR_SELECTION ();
1405 1444
1406 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1407 for (int row = nrow; row--; ) 1446 for (int row = nrow; row--; )
1408 { 1447 {
1409 line_t &line = ROW(row); 1448 line_t &line = ROW(row);
1422/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1423/* 1462/*
1424 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1425 */ 1464 */
1426void 1465void
1427rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1428{ 1467{
1429 int end; 1468 int end;
1430 1469
1431 ZERO_SCROLLBACK (); 1470 ZERO_SCROLLBACK ();
1432 1471
1452/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1453/* 1492/*
1454 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1455 */ 1494 */
1456void 1495void
1457rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1458{ 1497{
1459 want_refresh = 1; 1498 want_refresh = 1;
1460 ZERO_SCROLLBACK (); 1499 ZERO_SCROLLBACK ();
1461 1500
1462 if (count <= 0) 1501 if (count <= 0)
1533 { 1572 {
1534 line->t[col] = line->t[col + count]; 1573 line->t[col] = line->t[col + count];
1535 line->r[col] = line->r[col + count]; 1574 line->r[col] = line->r[col + count];
1536 } 1575 }
1537 1576
1538 scr_blank_line (*line, ncol - count, count, 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1539 line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask));
1540 1578
1541 if (selection.op && current_screen == selection.screen 1579 if (selection.op && current_screen == selection.screen
1542 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1543 { 1581 {
1544 if (selection.end.row != screen.cur.row 1582 if (selection.end.row != screen.cur.row
1561/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1562/* 1600/*
1563 * Set the scrolling region 1601 * Set the scrolling region
1564 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1565 */ 1603 */
1566void 1604void ecb_cold
1567rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1568{ 1606{
1569 max_it (top, 0); 1607 max_it (top, 0);
1570 min_it (bot, nrow - 1); 1608 min_it (bot, nrow - 1);
1571 1609
1572 if (top > bot) 1610 if (top > bot)
1581/* 1619/*
1582 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1583 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1584 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1585 */ 1623 */
1586void 1624void ecb_cold
1587rxvt_term::scr_cursor_visible (int mode) NOTHROW 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1588{ 1626{
1589 want_refresh = 1; 1627 want_refresh = 1;
1590 1628
1591 if (mode) 1629 if (mode)
1592 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1598/* 1636/*
1599 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1600 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1601 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1602 */ 1640 */
1603void 1641void ecb_cold
1604rxvt_term::scr_autowrap (int mode) NOTHROW 1642rxvt_term::scr_autowrap (int mode) noexcept
1605{ 1643{
1606 if (mode) 1644 if (mode)
1607 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1608 else 1646 else
1609 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1617 * Relative mode: line numbers are relative to top margin of scrolling region 1655 * Relative mode: line numbers are relative to top margin of scrolling region
1618 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1619 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1620 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1621 */ 1659 */
1622void 1660void ecb_cold
1623rxvt_term::scr_relative_origin (int mode) NOTHROW 1661rxvt_term::scr_relative_origin (int mode) noexcept
1624{ 1662{
1625 if (mode) 1663 if (mode)
1626 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1627 else 1665 else
1628 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1634/* 1672/*
1635 * Set insert/replace mode 1673 * Set insert/replace mode
1636 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1637 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1638 */ 1676 */
1639void 1677void ecb_cold
1640rxvt_term::scr_insert_mode (int mode) NOTHROW 1678rxvt_term::scr_insert_mode (int mode) noexcept
1641{ 1679{
1642 if (mode) 1680 if (mode)
1643 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1644 else 1682 else
1645 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1650 * Set/Unset tabs 1688 * Set/Unset tabs
1651 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1652 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1653 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1654 */ 1692 */
1655void 1693void ecb_cold
1656rxvt_term::scr_set_tab (int mode) NOTHROW 1694rxvt_term::scr_set_tab (int mode) noexcept
1657{ 1695{
1658 if (mode < 0) 1696 if (mode < 0)
1659 memset (tabs, 0, ncol); 1697 memset (tabs, 0, ncol);
1660 else if (screen.cur.col < ncol) 1698 else if (screen.cur.col < ncol)
1661 tabs [screen.cur.col] = !!mode; 1699 tabs [screen.cur.col] = !!mode;
1666 * Set reverse/normal video 1704 * Set reverse/normal video
1667 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1668 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1669 */ 1707 */
1670void 1708void
1671rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1672{ 1710{
1673 rvideo_mode = on; 1711 rvideo_mode = on;
1674 1712
1675#ifndef NO_BELL 1713#ifndef NO_BELL
1676 on ^= rvideo_bell; 1714 on ^= rvideo_bell;
1678 1716
1679 if (rvideo_state != on) 1717 if (rvideo_state != on)
1680 { 1718 {
1681 rvideo_state = on; 1719 rvideo_state = on;
1682 1720
1721#if OFF_FOCUS_FADING
1722 if (rs[Rs_fade])
1723 {
1724 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1725 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1726 }
1727 else
1728#endif
1683 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1684#ifdef HAVE_BG_PIXMAP 1730#ifdef HAVE_IMG
1685 if (bgPixmap.pixmap == None) 1731 if (bg_img == 0)
1686#endif 1732#endif
1687 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1688 1734
1689 XGCValues gcvalue; 1735 XGCValues gcvalue;
1690 gcvalue.foreground = pix_colors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1699/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1700/* 1746/*
1701 * Report current cursor position 1747 * Report current cursor position
1702 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1703 */ 1749 */
1704void 1750void ecb_cold
1705rxvt_term::scr_report_position () NOTHROW 1751rxvt_term::scr_report_position () noexcept
1706{ 1752{
1707 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1753 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1708} 1754}
1709 1755
1710/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1712 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1713 1759
1714/* 1760/*
1715 * Set font style 1761 * Set font style
1716 */ 1762 */
1717void 1763void ecb_cold
1718rxvt_term::set_font_style () NOTHROW 1764rxvt_term::set_font_style () noexcept
1719{ 1765{
1720#if 0 1766#if 0
1721 switch (charsets [screen.charset]) 1767 switch (charsets [screen.charset])
1722 { 1768 {
1723 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1744 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1745 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1746 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1747 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1748 */ 1794 */
1749void 1795void ecb_cold
1750rxvt_term::scr_charset_choose (int set) NOTHROW 1796rxvt_term::scr_charset_choose (int set) noexcept
1751{ 1797{
1752 screen.charset = set; 1798 screen.charset = set;
1753 set_font_style (); 1799 set_font_style ();
1754} 1800}
1755 1801
1761 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1762 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1763 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1764 */ 1810 */
1765void 1811void
1766rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1767{ 1813{
1768 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1769 set_font_style (); 1815 set_font_style ();
1770} 1816}
1771 1817
1775 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1776 1822
1777/* 1823/*
1778 * refresh matching text. 1824 * refresh matching text.
1779 */ 1825 */
1780bool 1826bool ecb_cold
1781rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1782{ 1828{
1783 bool found = false; 1829 bool found = false;
1784 1830
1785 for (int i = 0; i < nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1786 { 1832 {
1804 PART_BEG = 0, 1850 PART_BEG = 0,
1805 PART_END, 1851 PART_END,
1806 RC_COUNT 1852 RC_COUNT
1807}; 1853};
1808 1854
1809void 1855void ecb_hot
1810rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1856rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1811{ 1857{
1812 int i; 1858 int i;
1813 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1814 1860
1815 if (!drawn_buf) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1834 for (i = PART_BEG; i < RC_COUNT; i++) 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1835 { 1881 {
1836 min_it (rc[i].col, ncol - 1); 1882 min_it (rc[i].col, ncol - 1);
1837 min_it (rc[i].row, nrow - 1); 1883 min_it (rc[i].row, nrow - 1);
1838 } 1884 }
1839// TODO: this line somehow causes segfault if scr_expose() is called just after resize 1885
1840 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1886 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1841 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1887 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1842 1888
1843 num_scr_allow = 0; 1889 num_scr_allow = 0;
1844 1890
1849/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1850/* 1896/*
1851 * Refresh the entire screen 1897 * Refresh the entire screen
1852 */ 1898 */
1853void 1899void
1854rxvt_term::scr_touch (bool refresh) NOTHROW 1900rxvt_term::scr_touch (bool refresh) noexcept
1855{ 1901{
1856 scr_expose (0, 0, width, height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1857} 1903}
1858 1904
1859/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1860/* 1906/*
1861 * Move the display so that the line represented by scrollbar value Y is at 1907 * Move the display so that the line represented by scrollbar value Y is at
1862 * the top of the screen 1908 * the top of the screen
1863 */ 1909 */
1864void 1910void
1865rxvt_term::scr_move_to (int y, int len) NOTHROW 1911rxvt_term::scr_move_to (int y, int len) noexcept
1866{ 1912{
1867 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1)); 1913 // lerp (y, 0, len, top_row, nrow - 1)
1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1868} 1915}
1869 1916
1870/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1871/* 1918/*
1872 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1873 * direction should be UP or DN 1920 * direction should be UP or DN
1874 */ 1921 */
1875bool 1922bool
1876rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1923rxvt_term::scr_page (int nlines) noexcept
1877{ 1924{
1878 int new_view_start =
1879 direction == UP ? view_start - nlines
1880 : view_start + nlines;
1881
1882 return scr_changeview (new_view_start); 1925 return scr_changeview (view_start - nlines);
1883} 1926}
1884 1927
1885bool 1928bool
1886rxvt_term::scr_changeview (int new_view_start) NOTHROW 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1887{ 1930{
1888 clamp_it (new_view_start, top_row, 0); 1931 clamp_it (new_view_start, top_row, 0);
1889 1932
1890 if (new_view_start == view_start) 1933 if (new_view_start == view_start)
1891 return false; 1934 return false;
1909} 1952}
1910#endif 1953#endif
1911 1954
1912/* ------------------------------------------------------------------------- */ 1955/* ------------------------------------------------------------------------- */
1913void 1956void
1914rxvt_term::scr_bell () NOTHROW 1957rxvt_term::scr_bell () noexcept
1915{ 1958{
1916#ifndef NO_BELL 1959#ifndef NO_BELL
1917 1960
1918# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1919# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1920 if (option (Opt_mapAlert)) 1963 if (option (Opt_mapAlert))
1921# endif 1964# endif
1922 XMapWindow (dpy, parent[0]); 1965 XMapWindow (dpy, parent);
1923# endif 1966# endif
1924 1967
1925# if ENABLE_FRILLS 1968# if ENABLE_FRILLS
1926 if (option (Opt_urgentOnBell)) 1969 if (option (Opt_urgentOnBell))
1927 set_urgency (1); 1970 set_urgency (1);
1935 1978
1936 bell_ev.start (VISUAL_BELL_DURATION); 1979 bell_ev.start (VISUAL_BELL_DURATION);
1937 } 1980 }
1938 else 1981 else
1939 XBell (dpy, 0); 1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1940#endif 1984#endif
1941} 1985}
1942 1986
1943/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1944/* ARGSUSED */ 1988void ecb_cold
1945void
1946rxvt_term::scr_printscreen (int fullhist) NOTHROW 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1947{ 1990{
1948#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1949 int nrows, row_start; 1992 int nrows, row_start;
1950 FILE *fd = popen_printer (); 1993 FILE *fd = popen_printer ();
1951 1994
1963 row_start = view_start; 2006 row_start = view_start;
1964 } 2007 }
1965 2008
1966 wctomb (0, 0); 2009 wctomb (0, 0);
1967 2010
1968 for (int r1 = 0; r1 < nrows; r1++) 2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1969 { 2012 {
1970 text_t *tp = ROW(r1).t; 2013 text_t *tp = ROW(r1).t;
1971 int len = ROW(r1).l; 2014 int len = ROW(r1).l;
1972 2015
1973 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 2016 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1999/* 2042/*
2000 * Refresh the screen 2043 * Refresh the screen
2001 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
2002 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
2003 */ 2046 */
2004void 2047void ecb_hot
2005rxvt_term::scr_refresh () NOTHROW 2048rxvt_term::scr_refresh () noexcept
2006{ 2049{
2007 unsigned char have_bg,
2008 showcursor; /* show the cursor */
2009 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
2010 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
2011 int i; /* tmp */ 2052 int i; /* tmp */
2012#ifndef NO_CURSORCOLOR
2013 rend_t cc1; /* store colours at cursor position (s) */
2014#endif
2015 rend_t *crp; // cursor rendition pointer
2016 rend_t ccol1, /* Cursor colour */ 2053 rend_t ccol1, /* Cursor colour */
2017 ccol2; /* Cursor colour2 */ 2054 ccol2; /* Cursor colour2 */
2055 rend_t cur_rend;
2056 int cur_col;
2057 int cursorwidth;
2018 2058
2019 want_refresh = 0; /* screen is current */ 2059 want_refresh = 0; /* screen is current */
2020 2060
2021 if (refresh_type == NO_REFRESH || !mapped) 2061 if (refresh_type == NO_REFRESH || !mapped)
2022 return; 2062 return;
2024 /* 2064 /*
2025 * A: set up vars 2065 * A: set up vars
2026 */ 2066 */
2027 refresh_count = 0; 2067 refresh_count = 0;
2028 2068
2069 unsigned int old_screen_flags = screen.flags;
2029 have_bg = 0; 2070 bool have_bg = 0;
2030#ifdef HAVE_BG_PIXMAP 2071#ifdef HAVE_IMG
2031 have_bg = bgPixmap.pixmap != None; 2072 have_bg = bg_img != 0;
2032#endif 2073#endif
2033 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2034 2075
2035 /* 2076 /*
2036 * B: reverse any characters which are selected 2077 * B: reverse any characters which are selected
2037 */ 2078 */
2038 scr_reverse_selection (); 2079 scr_reverse_selection ();
2039 2080
2081 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2082#if ENABLE_OVERLAY
2083 scr_swap_overlay ();
2084#endif
2085
2086 bool showcursor = screen.flags & Screen_VisibleCursor;
2087
2040 /* 2088 /*
2041 * C: set the cursor character (s) 2089 * C: set the cursor character (s)
2042 */ 2090 */
2043 { 2091 {
2044 unsigned char setoldcursor;
2045
2046 showcursor = (screen.flags & Screen_VisibleCursor);
2047#ifdef CURSOR_BLINK 2092#ifdef CURSOR_BLINK
2048 if (hidden_cursor) 2093 if (hidden_cursor)
2049 showcursor = 0; 2094 showcursor = 0;
2050#endif 2095#endif
2051 2096
2054 int col = screen.cur.col; 2099 int col = screen.cur.col;
2055 2100
2056 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2057 col--; 2102 col--;
2058 2103
2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2108
2059 crp = &ROW(screen.cur.row).r[col]; 2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2060 2111
2061#ifndef NO_CURSORCOLOR 2112#ifndef NO_CURSORCOLOR
2062 cc1 = *crp & (RS_fgMask | RS_bgMask);
2063 if (ISSET_PIXCOLOR (Color_cursor)) 2113 if (ISSET_PIXCOLOR (Color_cursor))
2064 ccol1 = Color_cursor; 2114 ccol1 = Color_cursor;
2065 else 2115 else
2066#endif 2116#endif
2067#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2079 ccol2 = bgcolor_of (rstyle); 2129 ccol2 = bgcolor_of (rstyle);
2080#else 2130#else
2081 ccol2 = Color_bg; 2131 ccol2 = Color_bg;
2082#endif 2132#endif
2083 2133
2084 if (showcursor && focus) 2134 if (focus && cursor_type == 0)
2085 { 2135 {
2086 if (option (Opt_cursorUnderline)) 2136 rend_t rend = cur_rend;
2087 *crp ^= RS_Uline; 2137
2088 else
2089 {
2090 *crp ^= RS_RVid; 2138 rend ^= RS_RVid;
2091 *crp = SET_FGCOLOR (*crp, ccol1); 2139 rend = SET_FGCOLOR (rend, ccol1);
2092 *crp = SET_BGCOLOR (*crp, ccol2); 2140 rend = SET_BGCOLOR (rend, ccol2);
2093 } 2141
2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2094 } 2143 }
2095 } 2144 }
2096 2145
2097 /* make sure no outline cursor is left around */ 2146 /* make sure no outline cursor is left around */
2098 setoldcursor = 0; 2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2099 if (ocrow != -1) 2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2149
2150 // save the current cursor coordinates if the cursor is visible
2151 // and either the window is unfocused or the cursor style is
2152 // underline or vertical bar, so as to clear the outline cursor in
2153 // the next refresh if the cursor moves or becomes invisible
2154 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2100 { 2155 {
2101 if (screen.cur.row - view_start != ocrow 2156 oldcursor.row = screen.cur.row - view_start;
2102 || screen.cur.col != oldcursor.col) 2157 oldcursor.col = screen.cur.col;
2103 {
2104 if (ocrow < nrow
2105 && oldcursor.col < ncol)
2106 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2107
2108 if (focus || !showcursor)
2109 oldcursor.row = -1;
2110 else
2111 setoldcursor = 1;
2112 }
2113 } 2158 }
2114 else if (!focus) 2159 else
2115 setoldcursor = 1;
2116
2117 if (setoldcursor)
2118 {
2119 if (screen.cur.row - view_start >= nrow)
2120 oldcursor.row = -1; 2160 oldcursor.row = -1;
2121 else
2122 {
2123 oldcursor.row = screen.cur.row - view_start;
2124 oldcursor.col = screen.cur.col;
2125 }
2126 }
2127 } 2161 }
2128
2129 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2130#if ENABLE_OVERLAY
2131 scr_swap_overlay ();
2132#endif
2133 2162
2134#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
2135 /* 2164 /*
2136 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
2137 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
2142 { 2171 {
2143 int16_t nits; 2172 int16_t nits;
2144 int i = num_scr; 2173 int i = num_scr;
2145 int j; 2174 int j;
2146 int len, wlen; 2175 int len, wlen;
2147 dLocal (int, num_scr);
2148 2176
2149 j = nrow; 2177 j = nrow;
2150 wlen = len = -1; 2178 wlen = len = -1;
2151 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2152 2180
2218 int ypixel = (int)Row2Pixel (row); 2246 int ypixel = (int)Row2Pixel (row);
2219 2247
2220 for (col = 0; col < ncol; col++) 2248 for (col = 0; col < ncol; col++)
2221 { 2249 {
2222 /* compare new text with old - if exactly the same then continue */ 2250 /* compare new text with old - if exactly the same then continue */
2223 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2224 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2225 || (stp[col] == ' ' /* space w/ no background change */
2226 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2227 continue; 2252 continue;
2228 2253
2229 // redraw one or more characters 2254 // redraw one or more characters
2230 2255
2231 // seek to the beginning of wide characters 2256 // seek to the beginning of wide characters
2232 while (expect_false (stp[col] == NOCHAR && col > 0)) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2233 --col; 2258 --col;
2234 2259
2235 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2236 text_t *text = stp + col; 2261 text_t *text = stp + col;
2237 int count = 1; 2262 int count = 1;
2238 2263
2239 dtp[col] = stp[col]; 2264 dtp[col] = stp[col];
2240 drp[col] = rend; 2265 drp[col] = rend;
2244 for (i = 0; ++col < ncol; ) 2269 for (i = 0; ++col < ncol; )
2245 { 2270 {
2246 if (stp[col] == NOCHAR) 2271 if (stp[col] == NOCHAR)
2247 { 2272 {
2248 dtp[col] = stp[col]; 2273 dtp[col] = stp[col];
2249 drp[col] = rend; 2274 drp[col] = srp[col];
2275
2250 count++; 2276 count++;
2251 i++; 2277 i++;
2252 2278
2253 continue; 2279 continue;
2254 } 2280 }
2274 2300
2275 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2276 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2277 2303
2278 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2279 while (expect_false (i && text[count] == NOCHAR)) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2280 count++, i--; 2306 count++, i--;
2281 2307
2282 /* 2308 /*
2283 * Determine the attributes for the string 2309 * Determine the attributes for the string
2284 */ 2310 */
2285 int fore = fgcolor_of (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2286 int back = bgcolor_of (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2287 2313
2288 // only do special processing if any attributes are set, which is unlikely 2314 // only do special processing if any attributes are set, which is unlikely
2289 if (expect_false (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))) 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2290 { 2316 {
2291 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2292 2318
2293#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2294 if (rend & RS_Bold && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
2313 2339
2314 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL)) 2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2315 fore = Color_UL; 2341 fore = Color_UL;
2316#endif 2342#endif
2317 2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2362#endif
2363
2318 if (invert) 2364 if (invert)
2319 { 2365 {
2320#ifdef OPTION_HC
2321 if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2322 || !ISSET_PIXCOLOR (Color_HC))
2323#endif
2324 /* invert the column if no highlightColor is set or it is the
2325 * current cursor column */
2326 ::swap (fore, back); 2366 ::swap (fore, back);
2327#ifdef OPTION_HC
2328 else if (ISSET_PIXCOLOR (Color_HC))
2329 back = Color_HC;
2330#endif
2331 2367
2332#ifndef NO_BOLD_UNDERLINE_REVERSE 2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2333# ifndef OPTION_HC
2334 if (ISSET_PIXCOLOR (Color_RV))
2335 back = Color_RV;
2336# endif
2337 if (fore == back) 2369 if (fore == back)
2338 { 2370 {
2339 fore = Color_bg; 2371 fore = Color_bg;
2340 back = Color_fg; 2372 back = Color_fg;
2341 } 2373 }
2377 /* 2409 /*
2378 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2379 */ 2411 */
2380 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2381 2413
2382 if (expect_true (have_bg && back == Color_bg)) 2414 if (ecb_likely (have_bg && back == Color_bg))
2383 { 2415 {
2384 // this is very ugly, maybe push it into ->draw? 2416 // this is very ugly, maybe push it into ->draw?
2385 2417
2386 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2387 if (text[i] != ' ') 2419 if (text[i] != ' ')
2394 did_clear: ; 2426 did_clear: ;
2395 } 2427 }
2396 else 2428 else
2397 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2398 2430
2399 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2400 { 2432 {
2433 if (showcursor && focus && row == screen.cur.row
2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2436 else
2401#if ENABLE_FRILLS 2437#if ENABLE_FRILLS
2402 if (ISSET_PIXCOLOR (Color_underline)) 2438 if (ISSET_PIXCOLOR (Color_underline))
2403 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2404 else 2440 else
2405#endif 2441#endif
2410 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2411 } 2447 }
2412 } /* for (col....) */ 2448 } /* for (col....) */
2413 } /* for (row....) */ 2449 } /* for (row....) */
2414 2450
2415#if ENABLE_OVERLAY
2416 scr_swap_overlay ();
2417#endif
2418 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2419
2420 /* 2451 /*
2421 * G: cleanup cursor and display outline cursor if necessary 2452 * G: cleanup cursor and display outline cursor if necessary
2422 */ 2453 */
2423 if (showcursor) 2454 if (showcursor)
2424 { 2455 {
2425 if (focus) 2456 if (focus)
2426 { 2457 {
2427 if (option (Opt_cursorUnderline)) 2458 if (cursor_type == 0)
2428 *crp ^= RS_Uline; 2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2429 else 2460 else if (oldcursor.row >= 0)
2430 { 2461 {
2431 *crp ^= RS_RVid; 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2432#ifndef NO_CURSORCOLOR 2463 if (cursor_type == 1)
2433 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2464 XFillRectangle (dpy, vt, gc,
2434#endif 2465 Col2Pixel (cur_col),
2466 Row2Pixel (oldcursor.row + 1) - 2,
2467 Width2Pixel (1),
2468 2);
2469 else
2470 XFillRectangle (dpy, vt, gc,
2471 Col2Pixel (cur_col),
2472 Row2Pixel (oldcursor.row),
2473 2,
2474 Height2Pixel (1));
2435 } 2475 }
2436 } 2476 }
2437 else if (oldcursor.row >= 0) 2477 else if (oldcursor.row >= 0)
2438 { 2478 {
2439 int cursorwidth = 1;
2440 int col = oldcursor.col;
2441
2442 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2443 col--;
2444
2445 while (col + cursorwidth < ncol
2446 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2447 cursorwidth++;
2448
2449#ifndef NO_CURSORCOLOR
2450 if (ISSET_PIXCOLOR (Color_cursor))
2451 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2452 else
2453#endif
2454 XSetForeground (dpy, gc, pix_colors[ccol1]); 2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2455 2480
2456 XDrawRectangle (dpy, vt, gc, 2481 XDrawRectangle (dpy, vt, gc,
2457 Col2Pixel (col), 2482 Col2Pixel (cur_col),
2458 Row2Pixel (oldcursor.row), 2483 Row2Pixel (oldcursor.row),
2459 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2460 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2485 (unsigned int) (Height2Pixel (1) - 1));
2461 } 2486 }
2462 } 2487 }
2463 2488
2464 /* 2489 /*
2465 * H: cleanup selection 2490 * H: cleanup selection
2466 */ 2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2467 scr_reverse_selection (); 2497 scr_reverse_selection ();
2468 2498
2499 screen.flags = old_screen_flags;
2469 num_scr = 0; 2500 num_scr = 0;
2470 num_scr_allow = 1; 2501 num_scr_allow = 1;
2471} 2502}
2472 2503
2473void 2504void ecb_cold
2474rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2475{ 2506{
2476 if (!l.t) 2507 if (!l.valid ())
2477 return; 2508 return;
2478 2509
2479 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2510 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2480 2511
2481 for (int i = ncol; i--; ) 2512 for (int i = ncol; i--; )
2482 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2513 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2483} 2514}
2484 2515
2485void 2516void ecb_cold
2486rxvt_term::scr_remap_chars () NOTHROW 2517rxvt_term::scr_remap_chars () noexcept
2487{ 2518{
2488 for (int i = total_rows; i--; ) 2519 for (int i = total_rows; i--; )
2489 scr_remap_chars (row_buf [i]); 2520 scr_remap_chars (row_buf [i]);
2490 2521
2491 for (int i = nrow; i--; ) 2522 for (int i = nrow; i--; )
2493 scr_remap_chars (drawn_buf [i]); 2524 scr_remap_chars (drawn_buf [i]);
2494 scr_remap_chars (swap_buf [i]); 2525 scr_remap_chars (swap_buf [i]);
2495 } 2526 }
2496} 2527}
2497 2528
2498void 2529void ecb_cold
2499rxvt_term::scr_recolour () NOTHROW 2530rxvt_term::scr_recolor (bool refresh) noexcept
2500{ 2531{
2501#ifdef HAVE_BG_PIXMAP 2532 bool transparent = false;
2502 bgPixmap.apply ();
2503#else
2504 2533
2534#ifdef HAVE_IMG
2535 if (bg_img != 0)
2536 {
2537# if ENABLE_TRANSPARENCY
2538 if (bg_flags & BG_IS_TRANSPARENT)
2539 {
2540 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2541 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2542
2543 transparent = true;
2544 }
2545 else
2546# endif
2547 {
2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2550 }
2551 }
2552 else
2553#endif
2554 {
2505 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2506 XClearWindow (dpy, parent[0]);
2507 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2557 }
2508 2558
2509 if (scrollBar.win) 2559 XClearWindow (dpy, parent);
2560
2561 if (scrollBar.state && scrollBar.win)
2510 { 2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2511 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2512 scrollBar.state = STATE_IDLE; 2567 scrollBar.state = SB_STATE_IDLE;
2513 scrollBar.show (0); 2568 scrollBar.show (0);
2514 } 2569 }
2515 2570
2516#endif 2571 if (refresh)
2517 2572 {
2518 /* bgPixmap.apply () does not do the following : */
2519 scr_clear (); 2573 scr_clear ();
2520 scr_touch (true); 2574 scr_touch (true);
2575 }
2521 want_refresh = 1; 2576 want_refresh = 1;
2522} 2577}
2523 2578
2524/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2525void 2580void
2526rxvt_term::scr_clear (bool really) NOTHROW 2581rxvt_term::scr_clear (bool really) noexcept
2527{ 2582{
2528 if (!mapped) 2583 if (!mapped)
2529 return; 2584 return;
2530 2585
2531 num_scr_allow = 0; 2586 num_scr_allow = 0;
2534 if (really) 2589 if (really)
2535 XClearWindow (dpy, vt); 2590 XClearWindow (dpy, vt);
2536} 2591}
2537 2592
2538void 2593void
2539rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW 2594rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2540{ 2595{
2541 int view_end = view_start + nrow; 2596 int view_end = view_start + nrow;
2542 int row, col; 2597 int row, col;
2543 2598
2544 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) 2599 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2556 srp[col] ^= rstyle2; 2611 srp[col] ^= rstyle2;
2557 } 2612 }
2558} 2613}
2559 2614
2560void 2615void
2561rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW 2616rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2562{ 2617{
2563 int view_end = view_start + nrow; 2618 int view_end = view_start + nrow;
2564 int row, col; 2619 int row, col;
2565 2620
2566 if (beg_row >= view_start) 2621 if (beg_row >= view_start)
2582 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2583 srp[col] ^= rstyle; 2638 srp[col] ^= rstyle;
2584} 2639}
2585 2640
2586/* ------------------------------------------------------------------------- */ 2641/* ------------------------------------------------------------------------- */
2587void 2642void ecb_hot
2588rxvt_term::scr_reverse_selection () NOTHROW 2643rxvt_term::scr_reverse_selection () noexcept
2589{ 2644{
2590 if (selection.op 2645 if (selection.op
2591 && current_screen == selection.screen 2646 && current_screen == selection.screen
2592 && selection.end.row >= view_start) 2647 && selection.end.row >= view_start)
2593 { 2648 {
2594#if !ENABLE_MINIMAL 2649#if !ENABLE_MINIMAL
2595 if (selection.rect) 2650 if (selection.rect)
2596 scr_xor_rect (selection.beg.row, selection.beg.col, 2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2597 selection.end.row, selection.end.col, 2652 selection.end.row, selection.end.col,
2598 RS_RVid, RS_RVid | RS_Uline); 2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2599 else 2654 else
2600#endif 2655#endif
2601 scr_xor_span (selection.beg.row, selection.beg.col, 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2602 selection.end.row, selection.end.col, 2657 selection.end.row, selection.end.col,
2603 RS_RVid); 2658 RS_Sel | RS_RVid);
2604 } 2659 }
2605} 2660}
2606 2661
2607/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2608/* 2663/*
2609 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2610 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2611 */ 2666 */
2612#if 0 2667#if 0
2613void 2668void
2614rxvt_term::scr_dump (int fd) NOTHROW 2669rxvt_term::scr_dump (int fd) noexcept
2615{ 2670{
2616 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2617 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2618 char r1[] = "\n";
2619
2620 for (row = saveLines + top_row;
2621 row < saveLines + nrow - 1; row++)
2622 {
2623 width = row_buf[row].l >= 0 ? row_buf[row].l
2624 : ncol;
2625 for (towrite = width; towrite; towrite -= wrote)
2626 {
2627 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2628 towrite);
2629 if (wrote < 0)
2630 return; /* XXX: death, no report */
2631 }
2632 if (row_buf[row].l >= 0)
2633 if (write (fd, r1, 1) <= 0)
2634 return; /* XXX: death, no report */
2635 }
2636} 2673}
2637#endif 2674#endif
2638 2675
2639/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2640 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2641 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2642void 2679void
2643rxvt_term::selection_check (int check_more) NOTHROW 2680rxvt_term::selection_check (int check_more) noexcept
2644{ 2681{
2645 row_col_t pos;
2646
2647 if (!selection.op) 2682 if (!selection.op)
2648 return; 2683 return;
2649 2684
2650 pos.row = pos.col = 0;
2651 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2652 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2653 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2654 || (check_more == 1 2688 || (check_more == 1
2655 && current_screen == selection.screen 2689 && current_screen == selection.screen
2656 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2657 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2658 || (check_more == 2
2659 && ROWCOL_IS_BEFORE (selection.beg, pos)
2660 && ROWCOL_IS_AFTER (selection.end, pos))
2661 || (check_more == 3
2662 && ROWCOL_IS_AFTER (selection.end, pos))
2663 || (check_more == 4 /* screen width change */
2664 && (selection.beg.row != selection.end.row
2665 || selection.end.col > ncol)))
2666 CLEAR_SELECTION (); 2692 CLEAR_ALL_SELECTION ();
2693}
2694
2695void
2696rxvt_term::selection_changed () noexcept
2697{
2698 line_t &r1 = ROW (selection.beg.row);
2699 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2700 ++selection.beg.col;
2701
2702 line_t &r2 = ROW (selection.end.row);
2703 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2704 ++selection.end.col;
2705
2706 want_refresh = 1;
2667} 2707}
2668 2708
2669/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2670/* 2710/*
2671 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2672 */ 2712 */
2673void 2713void
2674rxvt_term::paste (char *data, unsigned int len) NOTHROW 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2675{ 2715{
2676 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2677 for (unsigned int i = 0; i < len; i++) 2717 for (unsigned int i = 0; i < len; i++)
2678 if (data[i] == C0_LF) 2718 if (data[i] == C0_LF)
2679 data[i] = C0_CR; 2719 data[i] = C0_CR;
2680 2720
2681 if (priv_modes & PrivMode_BracketPaste) 2721 #if ENABLE_FRILLS
2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2682 tt_printf ("\e[200~"); 2723 tt_printf ("\x1b[200~");
2724 #endif
2683 2725
2684 tt_write (data, len); 2726 tt_write (data, len);
2685 2727
2686 if (priv_modes & PrivMode_BracketPaste) 2728 #if ENABLE_FRILLS
2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2687 tt_printf ("\e[201~"); 2730 tt_printf ("\x1b[201~");
2688}
2689
2690/* ------------------------------------------------------------------------- */
2691/*
2692 * Respond to a notification that a primary selection has been sent
2693 * EXT: SelectionNotify
2694 */
2695void
2696rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2697{
2698 if (prop == None) /* check for failed XConvertSelection */
2699 {
2700 if ((selection_type & Sel_CompoundText))
2701 {
2702 int selnum = selection_type & Sel_whereMask;
2703
2704 selection_type = 0;
2705 if (selnum != Sel_direct)
2706 selection_request_other (XA_STRING, selnum);
2707 }
2708
2709 if ((selection_type & Sel_UTF8String))
2710 {
2711 int selnum = selection_type & Sel_whereMask;
2712
2713 selection_type = Sel_CompoundText;
2714 if (selnum != Sel_direct)
2715 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2716 else
2717 selection_type = 0;
2718 }
2719
2720 return;
2721 }
2722
2723 unsigned long bytes_after;
2724 XTextProperty ct;
2725
2726 if (XGetWindowProperty (dpy, win, prop,
2727 0, PROP_SIZE / 4,
2728 delete_prop, AnyPropertyType,
2729 &ct.encoding, &ct.format,
2730 &ct.nitems, &bytes_after,
2731 &ct.value) != Success)
2732 {
2733 ct.value = 0;
2734 goto bailout;
2735 }
2736
2737 if (ct.encoding == None)
2738 goto bailout;
2739
2740 if (bytes_after)
2741 {
2742 // fetch and append remaining data
2743 XTextProperty ct2;
2744
2745 if (XGetWindowProperty (dpy, win, prop,
2746 ct.nitems / 4, (bytes_after + 3) / 4,
2747 delete_prop, AnyPropertyType,
2748 &ct2.encoding, &ct2.format,
2749 &ct2.nitems, &bytes_after,
2750 &ct2.value) != Success)
2751 goto bailout;
2752
2753 // realloc should be compatible to XFree, here, and elsewhere, too
2754 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2755 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2756 ct.nitems += ct2.nitems;
2757
2758 XFree (ct2.value);
2759 }
2760
2761 if (ct.value == 0)
2762 goto bailout;
2763
2764 if (ct.encoding == xa[XA_INCR])
2765 {
2766 // INCR selection, start handshake
2767 if (!delete_prop)
2768 XDeleteProperty (dpy, win, prop);
2769
2770 selection_wait = Sel_incr;
2771 incr_buf_fill = 0;
2772 incr_ev.start (10);
2773
2774 goto bailout;
2775 }
2776
2777 if (ct.nitems == 0)
2778 {
2779 if (selection_wait == Sel_incr)
2780 {
2781 XFree (ct.value);
2782
2783 // finally complete, now paste the whole thing
2784 selection_wait = Sel_normal;
2785 ct.value = (unsigned char *)incr_buf;
2786 ct.nitems = incr_buf_fill;
2787 incr_buf = 0;
2788 incr_buf_size = 0;
2789 incr_ev.stop ();
2790 }
2791 else
2792 {
2793 if (selection_wait == Sel_normal
2794 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2795 {
2796 /*
2797 * pass through again trying CUT_BUFFER0 if we've come from
2798 * XConvertSelection () but nothing was presented
2799 */
2800 selection_paste (display->root, XA_CUT_BUFFER0, False);
2801 }
2802
2803 goto bailout;
2804 }
2805 }
2806 else if (selection_wait == Sel_incr)
2807 {
2808 incr_ev.start (10);
2809
2810 while (incr_buf_fill + ct.nitems > incr_buf_size)
2811 {
2812 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2813 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2814 }
2815
2816 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2817 incr_buf_fill += ct.nitems;
2818
2819 goto bailout;
2820 }
2821
2822 char **cl;
2823 int cr;
2824
2825#if !ENABLE_MINIMAL
2826 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2827 // so recode it manually
2828 if (ct.encoding == xa[XA_UTF8_STRING])
2829 {
2830 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2831 char *s = rxvt_wcstombs (w);
2832 free (w);
2833 // TODO: strlen == only the first element will be converted. well...
2834 paste (s, strlen (s));
2835 free (s);
2836 }
2837 else
2838#endif 2731 #endif
2839 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2840 && cl)
2841 {
2842 for (int i = 0; i < cr; i++)
2843 paste (cl[i], strlen (cl[i]));
2844
2845 XFreeStringList (cl);
2846 }
2847 else
2848 paste ((char *)ct.value, ct.nitems); // paste raw
2849
2850bailout:
2851 XFree (ct.value);
2852
2853 if (selection_wait == Sel_normal)
2854 selection_wait = Sel_none;
2855} 2732}
2856 2733
2857void 2734void
2858rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW 2735rxvt_term::paste (char *data, unsigned int len) noexcept
2859{ 2736{
2860 selection_wait = Sel_none; 2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2861
2862 incr_buf_size = 0;
2863 free (incr_buf);
2864
2865 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2866}
2867
2868void
2869rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2870{
2871 if (prop == None || selection_wait != Sel_incr)
2872 return; 2738 return;
2873 2739
2874 selection_paste (win, prop, true); 2740 tt_paste (data, len);
2875} 2741}
2876 2742
2877/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2878/* 2744/*
2879 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2880 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2881 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2882 * > CUT_BUFFER0
2883 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2884 * will auto fallback to CUT_BUFFER0
2885 * EXT: button 2 release 2748 * EXT: button 2 release
2886 */ 2749 */
2887void 2750void
2888rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2889{ 2752{
2890 if (selection.text && selnum == Sel_Primary) 2753 if (!selection_req)
2891 {
2892 /* internal selection */
2893 char *str = rxvt_wcstombs (selection.text, selection.len);
2894 paste (str, strlen (str));
2895 free (str);
2896 return;
2897 } 2754 {
2898 else 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2756 selection_req->run ();
2899 { 2757 }
2900 selection_request_time = tm;
2901 selection_wait = Sel_normal;
2902
2903#if X_HAVE_UTF8_STRING
2904 selection_type = Sel_UTF8String;
2905 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2906 return;
2907#else
2908 selection_type = Sel_CompoundText;
2909 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2910 return;
2911#endif
2912 }
2913
2914 selection_wait = Sel_none; /* don't loop in selection_paste () */
2915 selection_paste (display->root, XA_CUT_BUFFER0, false);
2916}
2917
2918int
2919rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2920{
2921 Atom sel;
2922
2923 selection_type |= selnum;
2924
2925 if (selnum == Sel_Primary)
2926 sel = XA_PRIMARY;
2927 else if (selnum == Sel_Secondary)
2928 sel = XA_SECONDARY;
2929 else
2930 sel = xa[XA_CLIPBOARD];
2931
2932 if (XGetSelectionOwner (dpy, sel) != None)
2933 {
2934 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2935 vt, selection_request_time);
2936 return 1;
2937 }
2938
2939 return 0;
2940} 2758}
2941 2759
2942/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2943/* 2761/*
2944 * Clear all selected text 2762 * Clear all selected text
2945 * EXT: SelectionClear 2763 * EXT: SelectionClear
2946 */ 2764 */
2947void 2765void
2948rxvt_term::selection_clear () NOTHROW 2766rxvt_term::selection_clear (bool clipboard) noexcept
2949{ 2767{
2768 if (!clipboard)
2769 {
2950 want_refresh = 1; 2770 want_refresh = 1;
2951 free (selection.text); 2771 free (selection.text);
2952 selection.text = NULL; 2772 selection.text = NULL;
2953 selection.len = 0; 2773 selection.len = 0;
2954 CLEAR_SELECTION (); 2774 CLEAR_SELECTION ();
2955 2775
2956 if (display->selection_owner == this) 2776 if (display->selection_owner == this)
2957 display->selection_owner = 0; 2777 display->selection_owner = 0;
2778 }
2779 else
2780 {
2781 free (selection.clip_text);
2782 selection.clip_text = NULL;
2783 selection.clip_len = 0;
2784
2785 if (display->clipboard_owner == this)
2786 display->clipboard_owner = 0;
2787 }
2958} 2788}
2959 2789
2960/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2961/* 2791/*
2962 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2963 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2964 */ 2794 */
2965void 2795void
2966rxvt_term::selection_make (Time tm) 2796rxvt_term::selection_make (Time tm)
2967{ 2797{
2968 int i; 2798 int size;
2969 wchar_t *new_selection_text; 2799 wchar_t *new_selection_text;
2970 text_t *t; 2800 text_t *t;
2971 2801
2972 switch (selection.op) 2802 switch (selection.op)
2973 { 2803 {
2989 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2990 2820
2991 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2992 return; 2822 return;
2993 2823
2994 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2995 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2996 2826
2997 int ofs = 0; 2827 int ofs = 0;
2998 int extra = 0; 2828 int extra = 0;
2999 2829
3000 int col = selection.beg.col; 2830 int col = selection.beg.col;
3006 { 2836 {
3007#if !ENABLE_MINIMAL 2837#if !ENABLE_MINIMAL
3008 if (selection.rect) 2838 if (selection.rect)
3009 { 2839 {
3010 col = selection.beg.col; 2840 col = selection.beg.col;
3011 end_col = ncol + 1; 2841 end_col = selection.end.col;
3012 } 2842 }
3013 else 2843 else
3014#endif 2844#endif
3015 end_col = ROW(row).l; 2845 end_col = ROW(row).l;
3016 2846
3017 col = max (col, 0); 2847 col = max (col, 0);
3018 2848
3019 if (row == selection.end.row 2849 if (row == selection.end.row)
3020#if !ENABLE_MINIMAL
3021 || selection.rect
3022#endif
3023 )
3024 min_it (end_col, selection.end.col); 2850 min_it (end_col, selection.end.col);
3025 2851
3026 t = ROW(row).t + col; 2852 t = ROW(row).t + col;
3027 2853
3028 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
3030 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
3031 t++; 2857 t++;
3032#if ENABLE_COMBINING 2858#if ENABLE_COMBINING
3033 else if (IS_COMPOSE (*t)) 2859 else if (IS_COMPOSE (*t))
3034 { 2860 {
3035 int len = rxvt_composite.expand (*t, 0); 2861 int len = rxvt_composite.expand (*t);
3036 2862
3037 extra -= (len - 1); 2863 extra -= (len - 1);
3038 2864
3039 if (extra < 0) 2865 if (extra < 0)
3040 { 2866 {
3041 extra += i; 2867 extra += size;
3042 i += i; 2868 size += size;
3043 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2869 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3044 } 2870 }
3045 2871
3046 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3047 } 2873 }
3048#endif 2874#endif
3060 2886
3061 new_selection_text[ofs++] = C0_LF; 2887 new_selection_text[ofs++] = C0_LF;
3062 } 2888 }
3063 else 2889 else
3064#endif 2890#endif
3065 if (!ROW(row).is_longer () && row != selection.end.row) 2891 if (!ROW(row).is_longer ()
2892 && (row != selection.end.row || end_col != selection.end.col)
2893 && (row != selection.beg.row || selection.beg.col < ncol))
3066 new_selection_text[ofs++] = C0_LF; 2894 new_selection_text[ofs++] = C0_LF;
3067 } 2895 }
3068
3069 if (end_col != selection.end.col)
3070 new_selection_text[ofs++] = C0_LF;
3071 2896
3072 new_selection_text[ofs] = 0; 2897 new_selection_text[ofs] = 0;
3073 2898
3074 if (ofs == 0) 2899 if (ofs == 0)
3075 { 2900 {
3088 2913
3089 selection_grab (tm); 2914 selection_grab (tm);
3090} 2915}
3091 2916
3092bool 2917bool
3093rxvt_term::selection_grab (Time tm) NOTHROW 2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
3094{ 2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
3095 selection_time = tm; 2924 selection_time = tm;
2925 sel = XA_PRIMARY;
2926 }
2927 else
2928 {
2929 clipboard_time = tm;
2930 sel = xa[XA_CLIPBOARD];
2931 }
3096 2932
3097 XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm); 2933 XSetSelectionOwner (dpy, sel, vt, tm);
3098 if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt) 2934 if (XGetSelectionOwner (dpy, sel) == vt)
3099 { 2935 {
3100 display->set_selection_owner (this); 2936 display->set_selection_owner (this, clipboard);
3101 return true; 2937 return true;
3102 } 2938 }
3103 else 2939 else
3104 { 2940 {
3105 selection_clear (); 2941 selection_clear (clipboard);
3106 return false; 2942 return false;
3107 } 2943 }
3108 2944
3109#if 0 2945#if 0
3110 XTextProperty ct; 2946 XTextProperty ct;
3120/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
3121/* 2957/*
3122 * Mark or select text based upon number of clicks: 1, 2, or 3 2958 * Mark or select text based upon number of clicks: 1, 2, or 3
3123 * EXT: button 1 press 2959 * EXT: button 1 press
3124 */ 2960 */
3125void 2961void ecb_cold
3126rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
3127{ 2963{
3128 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
3129 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
3130 2966
3131 if (clicks == 2 && !selection.rect 2967 if (clicks == 2 && !selection.rect
3149 2985
3150/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
3151/* 2987/*
3152 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
3153 */ 2989 */
3154void 2990void ecb_cold
3155rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
3156{ 2992{
3157 want_refresh = 1; 2993 want_refresh = 1;
3158 2994
3159 selection.mark.row = row + view_start; 2995 selection.mark.row = row + view_start;
3160 selection.mark.col = col; 2996 selection.mark.col = col;
3182 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
3183 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
3184 */ 3020 */
3185 3021
3186/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3022/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3187#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
3188 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3189#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
3190 3026
3191void 3027void ecb_cold
3192rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3028rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3193{ 3029{
3194 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
3195 row_col_t bound; 3031 row_col_t bound;
3196 text_t *stp; 3032 text_t *stp;
3197 rend_t *srp; 3033 rend_t *srp;
3270 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
3271 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
3272 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
3273 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
3274 */ 3110 */
3275void 3111void ecb_cold
3276rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
3277{ 3113{
3278 int col = clamp (Pixel2Col (x), 0, ncol); 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3279 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3280 3116
3281 /* 3117 /*
3306 3142
3307/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3308/* 3144/*
3309 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3310 */ 3146 */
3311void 3147void ecb_cold
3312rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3148rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3313{ 3149{
3314 row_col_t pos; 3150 row_col_t pos;
3315 enum { 3151 enum {
3316 LEFT, RIGHT 3152 LEFT, RIGHT
3317 } closeto = RIGHT; 3153 } closeto = RIGHT;
3318
3319 want_refresh = 1;
3320 3154
3321 switch (selection.op) 3155 switch (selection.op)
3322 { 3156 {
3323 case SELECTION_INIT: 3157 case SELECTION_INIT:
3324 CLEAR_SELECTION (); 3158 CLEAR_SELECTION ();
3504 3338
3505#if !ENABLE_MINIMAL 3339#if !ENABLE_MINIMAL
3506 if (selection.rect && selection.beg.col > selection.end.col) 3340 if (selection.rect && selection.beg.col > selection.end.col)
3507 ::swap (selection.beg.col, selection.end.col); 3341 ::swap (selection.beg.col, selection.end.col);
3508#endif 3342#endif
3343
3344 selection_changed ();
3509} 3345}
3510 3346
3511#if !ENABLE_MINIMAL 3347#if !ENABLE_MINIMAL
3512void 3348void ecb_cold
3513rxvt_term::selection_remove_trailing_spaces () NOTHROW 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3514{ 3350{
3515 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3516 text_t *stp; 3352 text_t *stp;
3517 3353
3518 end_col = selection.end.col; 3354 end_col = selection.end.col;
3555/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3556/* 3392/*
3557 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3558 * EXT: button 3 double click 3394 * EXT: button 3 double click
3559 */ 3395 */
3560void 3396void ecb_cold
3561rxvt_term::selection_rotate (int x, int y) NOTHROW 3397rxvt_term::selection_rotate (int x, int y) noexcept
3562{ 3398{
3563 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3564 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3565} 3401}
3566 3402
3567/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3568/* 3404/*
3569 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3570 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3571 */ 3407 */
3572void 3408void ecb_cold
3573rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3574{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3575 XSelectionEvent ev; 3412 XSelectionEvent ev;
3576 3413
3577 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3578 ev.property = None; 3415 ev.property = None;
3579 ev.display = rq.display; 3416 ev.display = rq.display;
3594 *target++ = xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3595#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3596 *target++ = xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3597#endif 3434#endif
3598 3435
3599 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3600 32, PropModeReplace, 3437 32, PropModeReplace,
3601 (unsigned char *)target_list, target - target_list); 3438 (unsigned char *)target_list, target - target_list);
3602 ev.property = rq.property; 3439 ev.property = property;
3603 } 3440 }
3604#if TODO // TODO 3441#if TODO // TODO
3605 else if (rq.target == xa[XA_MULTIPLE]) 3442 else if (rq.target == xa[XA_MULTIPLE])
3606 { 3443 {
3607 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3608 } 3445 }
3609#endif 3446#endif
3610 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3611 { 3448 {
3612 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3613 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3614 ev.property = rq.property; 3451 ev.property = property;
3452 }
3453 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3454 {
3455 XChangeProperty (dpy, rq.requestor, property, rq.target,
3456 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3457 ev.property = property;
3615 } 3458 }
3616 else if (rq.target == XA_STRING 3459 else if (rq.target == XA_STRING
3617 || rq.target == xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3618 || rq.target == xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3619 || rq.target == xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
3651 { 3494 {
3652 target = xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3653 style = enc_compound_text; 3496 style = enc_compound_text;
3654 } 3497 }
3655 3498
3656 if (selection.text) 3499 if (rq.selection == XA_PRIMARY && selection.text)
3657 { 3500 {
3658 cl = selection.text; 3501 cl = selection.text;
3659 selectlen = selection.len; 3502 selectlen = selection.len;
3660 } 3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3661 else 3509 else
3662 { 3510 {
3663 cl = L""; 3511 cl = (wchar_t *)L"";
3664 selectlen = 0; 3512 selectlen = 0;
3665 } 3513 }
3666 3514
3667#if !ENABLE_MINIMAL 3515#if !ENABLE_MINIMAL
3668 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 3516 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3685 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3686 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3687 ct.encoding = target; 3535 ct.encoding = target;
3688 } 3536 }
3689 3537
3690 XChangeProperty (dpy, rq.requestor, rq.property, 3538 XChangeProperty (dpy, rq.requestor, property,
3691 ct.encoding, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3692 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3693 ev.property = rq.property; 3541 ev.property = property;
3694 3542
3695 if (freect) 3543 if (freect)
3696 XFree (ct.value); 3544 XFree (ct.value);
3697 } 3545 }
3698 3546
3699 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3700} 3548}
3701 3549
3702/* ------------------------------------------------------------------------- */ 3550/* ------------------------------------------------------------------------- */
3703#ifdef USE_XIM 3551#if USE_XIM
3704void 3552void ecb_cold
3705rxvt_term::im_set_position (XPoint &pos) NOTHROW 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3706{ 3554{
3707 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3708 3556
3709 XGetWindowAttributes (dpy, vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3710 3558
3713} 3561}
3714#endif 3562#endif
3715 3563
3716#if ENABLE_OVERLAY 3564#if ENABLE_OVERLAY
3717void 3565void
3718rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW 3566rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3719{ 3567{
3720 if (nrow < 1 || ncol < 1) 3568 if (nrow < 1 || ncol < 1)
3721 return; 3569 return;
3722 3570
3723 want_refresh = 1; 3571 want_refresh = 1;
3732 h += 2; min_it (h, nrow); 3580 h += 2; min_it (h, nrow);
3733 3581
3734 x -= 1; clamp_it (x, 0, ncol - w); 3582 x -= 1; clamp_it (x, 0, ncol - w);
3735 y -= 1; clamp_it (y, 0, nrow - h); 3583 y -= 1; clamp_it (y, 0, nrow - h);
3736 3584
3737 ov_x = x; ov_y = y; 3585 ov.x = x; ov.y = y;
3738 ov_w = w; ov_h = h; 3586 ov.w = w; ov.h = h;
3739 3587
3740 ov_text = new text_t *[h]; 3588 ov.text = new text_t *[h];
3741 ov_rend = new rend_t *[h]; 3589 ov.rend = new rend_t *[h];
3742 3590
3743 for (y = 0; y < h; y++) 3591 for (y = 0; y < h; y++)
3744 { 3592 {
3745 text_t *tp = ov_text[y] = new text_t[w]; 3593 text_t *tp = ov.text[y] = new text_t[w];
3746 rend_t *rp = ov_rend[y] = new rend_t[w]; 3594 rend_t *rp = ov.rend[y] = new rend_t[w];
3747 3595
3748 text_t t0, t1, t2; 3596 text_t t0, t1, t2;
3749 rend_t r = OVERLAY_RSTYLE; 3597 rend_t r = OVERLAY_RSTYLE;
3750 3598
3751 if (y == 0) 3599 if (y == 0)
3768 *rp = r; 3616 *rp = r;
3769 } 3617 }
3770} 3618}
3771 3619
3772void 3620void
3773rxvt_term::scr_overlay_off () NOTHROW 3621rxvt_term::scr_overlay_off () noexcept
3774{ 3622{
3775 if (!ov_text) 3623 if (!ov.text)
3776 return; 3624 return;
3777 3625
3778 want_refresh = 1; 3626 want_refresh = 1;
3779 3627
3780 for (int y = 0; y < ov_h; y++) 3628 for (int y = 0; y < ov.h; y++)
3781 { 3629 {
3782 delete [] ov_text[y]; 3630 delete [] ov.text[y];
3783 delete [] ov_rend[y]; 3631 delete [] ov.rend[y];
3784 } 3632 }
3785 3633
3786 delete [] ov_text; ov_text = 0; 3634 delete [] ov.text; ov.text = 0;
3787 delete [] ov_rend; ov_rend = 0; 3635 delete [] ov.rend; ov.rend = 0;
3788} 3636}
3789 3637
3790void 3638void
3791rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW 3639rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3792{ 3640{
3793 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3794 return; 3642 return;
3795 3643
3796 x++, y++; 3644 x++, y++;
3797 3645
3798 ov_text[y][x] = text; 3646 ov.text[y][x] = text;
3799 ov_rend[y][x] = rend; 3647 ov.rend[y][x] = rend;
3800} 3648}
3801 3649
3802void 3650void
3803rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW 3651rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3804{ 3652{
3805 while (*s) 3653 while (*s)
3806 scr_overlay_set (x++, y, *s++); 3654 scr_overlay_set (x++, y, *s++);
3807} 3655}
3808 3656
3809void 3657void
3810rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW 3658rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3811{ 3659{
3812 while (*s) 3660 while (*s)
3813 { 3661 {
3814 text_t t = *s++; 3662 text_t t = *s++;
3815 int width = WCWIDTH (t); 3663 int width = WCWIDTH (t);
3821 } 3669 }
3822 } 3670 }
3823} 3671}
3824 3672
3825void 3673void
3826rxvt_term::scr_swap_overlay () NOTHROW 3674rxvt_term::scr_swap_overlay () noexcept
3827{ 3675{
3828 if (!ov_text) 3676 if (!ov.text)
3829 return; 3677 return;
3830 3678
3679 // hide cursor if it is within the overlay area
3680 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3681 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3682 screen.flags &= ~Screen_VisibleCursor;
3683
3831 // swap screen mem with overlay 3684 // swap screen mem with overlay
3832 for (int y = ov_h; y--; ) 3685 for (int y = ov.h; y--; )
3833 { 3686 {
3834 text_t *t1 = ov_text[y]; 3687 text_t *t1 = ov.text[y];
3835 rend_t *r1 = ov_rend[y]; 3688 rend_t *r1 = ov.rend[y];
3836 3689
3837 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x; 3690 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3838 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x; 3691 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3839 3692
3840 for (int x = ov_w; x--; ) 3693 for (int x = ov.w; x--; )
3841 { 3694 {
3842 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3695 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3843 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3696 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3844 } 3697 }
3845 } 3698 }

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