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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.324 by root, Wed Nov 5 00:01:01 2008 UTC vs.
Revision 1.466 by root, Fri Aug 5 07:54:11 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{
163 scr_soft_reset (); 217#if ENABLE_OVERLAY
218 scr_overlay_off ();
219#endif
164 220
165 view_start = 0; 221 view_start = 0;
166 num_scr = 0; 222 num_scr = 0;
167 223
168 if (ncol == 0) 224 if (ncol == 0)
189 total_rows = nrow + saveLines; 245 total_rows = nrow + saveLines;
190 246
191 screen.tscroll = 0; 247 screen.tscroll = 0;
192 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
193 249
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
194 if (!row_buf) 258 if (!prev_row_buf)
195 { 259 {
196 /*
197 * first time called so just malloc everything: don't rely on realloc
198 */
199 top_row = 0; 260 top_row = 0;
200 term_start = 0; 261 term_start = 0;
201
202 talloc = new rxvt_salloc (ncol * sizeof (text_t));
203 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204
205 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
206 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208
209 for (int row = nrow; row--; )
210 {
211 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
213 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
214 }
215 262
216 memset (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
217 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
218 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
219 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
233 selection.text = NULL; 280 selection.text = NULL;
234 selection.len = 0; 281 selection.len = 0;
235 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
236 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
237 selection.clicks = 0; 284 selection.clicks = 0;
285 selection.clip_text = NULL;
286 selection.clip_len = 0;
238 } 287 }
239 else 288 else
240 { 289 {
241 /* 290 /*
242 * add or delete rows as appropriate 291 * add or delete rows as appropriate
243 */ 292 */
244 293
245 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); 294 int common_col = min (prev_ncol, ncol);
246 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
247 295
248#if 0 296 // resize swap_buf, blank drawn_buf
249 if (nrow < prev_nrow)
250 {
251 for (int row = nrow; row < prev_nrow; row++)
252 {
253 lfree (swap_buf [row]);
254 lfree (drawn_buf[row]);
255 }
256 }
257#endif
258
259 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
260 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
261
262 for (int row = min (nrow, prev_nrow); row--; ) 297 for (int row = min (nrow, prev_nrow); row--; )
263 { 298 {
264 lresize (drawn_buf[row]); 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
265 lresize (swap_buf [row]); 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
266 } 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
267 302
268 for (int row = prev_nrow; row < nrow; row++) 303 copy_line (swap_buf [row], prev_swap_buf [row]);
269 { 304 }
270 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
271 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
272 }
273
274 line_t *old_buf = row_buf;
275 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
276 305
277 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
278 int pend = MOD (term_start + top_row , prev_total_rows); 307 int pend = MOD (term_start + top_row , prev_total_rows);
279 int q = total_rows; // rewrapped row 308 int q = total_rows; // rewrapped row
280 309
281 if (top_row) 310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
282 { 312 {
283 // 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
284 // 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
285 316
286 row_col_t ocur = screen.cur; 317 row_col_t ocur = screen.cur;
287 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
288 319
289 do 320 do
290 { 321 {
291 p = MOD (p - 1, prev_total_rows); 322 p = MOD (p - 1, prev_total_rows);
292#ifdef DEBUG_STRICT
293 assert (old_buf [MOD (p, prev_total_rows)].t); 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
294#endif
295 int plines = 1; 324 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297 326
298 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 ())
299 { 328 {
300 p = MOD (p - 1, prev_total_rows); 329 p = MOD (p - 1, prev_total_rows);
301 330
302 plines++; 331 plines++;
303 llen += prev_ncol; 332 llen += prev_ncol;
304 } 333 }
305 334
306 int qlines = max (0, (llen - 1) / ncol) + 1; 335 int qlines = max (0, (llen - 1) / ncol) + 1;
307 336
337 q -= qlines;
338
308 // drop partial lines completely 339 // drop partial lines completely
309 if (q < qlines) 340 if (q < 0)
310 break; 341 break;
311
312 q -= qlines;
313 342
314 int lofs = 0; 343 int lofs = 0;
315 line_t *qline; 344 line_t *qline;
316 345
317 // re-assemble the full line by destination lines 346 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 347 for (int qrow = q; qlines--; qrow++)
319 { 348 {
320 qline = row_buf + qrow; 349 qline = row_buf + qrow;
321 lalloc (*qline); 350 qline->alloc (); // redundant with next line
322 qline->l = ncol; 351 qline->l = ncol;
323 qline->is_longer (1); 352 qline->is_longer (1);
324 353
325 int qcol = 0; 354 int qcol = 0;
326 355
341 // this seems to upset applications/shells/readline 370 // this seems to upset applications/shells/readline
342 // least. 371 // least.
343 if (prow == ocur.row) 372 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow); 373 screen.cur.row = q - (total_rows - nrow);
345 374
346 line_t &pline = old_buf [prow]; 375 line_t &pline = prev_row_buf [prow];
347 376
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349 378
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
359 qline->is_longer (0); 388 qline->is_longer (0);
360 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
361 } 390 }
362 while (p != pend && q > 0); 391 while (p != pend && q > 0);
363 392
364 term_start = total_rows - nrow;
365 top_row = q - term_start; 393 top_row = q - term_start;
366 394
367 // make sure all terminal lines exist 395 // make sure all terminal lines exist
368 while (top_row > 0) 396 while (top_row > 0)
369 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE); 397 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
370 } 398 }
371 else 399 else
400#endif
401 {
402 // wing, instead of wrap
372 { 403 do
373 // if no scrollback exists (yet), wing, instead of wrap
374
375 for (int row = min (nrow, prev_nrow); row--; )
376 { 404 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 405 p = MOD (p - 1, prev_total_rows);
378 line_t &qline = row_buf [row]; 406 q--;
379 407
380 qline = pline; 408 copy_line (row_buf [q], prev_row_buf [p]);
381 lresize (qline);
382 } 409 }
410 while (p != pend);
383 411
384 for (int row = prev_nrow; row < nrow; row++) 412 screen.cur.row += nrow - prev_nrow;
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 } 413 }
388 414
389 term_start = 0; 415 term_start = total_rows - nrow;
390 }
391
392 free (old_buf);
393 delete old_ta;
394 delete old_ra;
395 416
396 clamp_it (screen.cur.row, 0, nrow - 1); 417 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1); 418 clamp_it (screen.cur.col, 0, ncol - 1);
398 } 419 }
399 420
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
400 CLEAR_ALL_SELECTION (); 437 CLEAR_ALL_SELECTION ();
401 438
402 prev_nrow = nrow; 439 prev_nrow = nrow;
403 prev_ncol = ncol; 440 prev_ncol = ncol;
404 441
405 tt_winch (); 442 tt_winch ();
406 443
407 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
408} 445}
409 446
410/* ------------------------------------------------------------------------- */ 447void ecb_cold
411/*
412 * Free everything. That way malloc debugging can find leakage.
413 */
414void
415rxvt_term::scr_release () NOTHROW 448rxvt_term::scr_release () noexcept
416{ 449{
417 if (row_buf) 450 chunk_free (chunk, chunk_size);
418 { 451 chunk = 0;
419 delete talloc; talloc = 0; 452 row_buf = 0;
420 delete ralloc; ralloc = 0;
421 453
422 free (row_buf);
423 free (swap_buf);
424 free (drawn_buf);
425 row_buf = 0; // signal that we freed all the arrays above
426
427 free (tabs); 454 free (tabs);
428 tabs = 0; 455 tabs = 0;
429 }
430} 456}
431 457
432/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
433/* 459/*
434 * Hard/Soft reset 460 * Hard/Soft reset
435 */ 461 */
436void 462void ecb_cold
437rxvt_term::scr_poweron () 463rxvt_term::scr_poweron ()
438{ 464{
439 scr_release (); 465 scr_release ();
466
440 prev_nrow = prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
468 rvideo_mode = false;
469 scr_soft_reset ();
441 scr_reset (); 470 scr_reset ();
442 471
443 scr_clear (true); 472 scr_clear (true);
444 scr_refresh (); 473 scr_refresh ();
445} 474}
446 475
447void 476void ecb_cold
448rxvt_term::scr_soft_reset () 477rxvt_term::scr_soft_reset () noexcept
449{ 478{
450 /* only affects modes, nothing drastic such as clearing the screen */ 479 /* only affects modes, nothing drastic such as clearing the screen */
451#if ENABLE_OVERLAY 480#if ENABLE_OVERLAY
452 scr_overlay_off (); 481 scr_overlay_off ();
453#endif 482#endif
454 483
455 rvideo_mode = false;
456
457 if (current_screen != PRIMARY) 484 if (current_screen != PRIMARY)
458 scr_swap_screen (); 485 scr_swap_screen ();
459
460 free (tabs);
461 tabs = (char *)rxvt_malloc (ncol);
462
463 for (int col = ncol; --col; )
464 tabs [col] = col % TABSIZE == 0;
465 486
466 scr_scroll_region (0, MAX_ROWS - 1); 487 scr_scroll_region (0, MAX_ROWS - 1);
467 scr_rendition (0, ~RS_None); 488 scr_rendition (0, ~RS_None);
468 scr_insert_mode (0); 489 scr_insert_mode (0);
469} 490}
475 * Save and Restore cursor 496 * Save and Restore cursor
476 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
477 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
478 */ 499 */
479void 500void
480rxvt_term::scr_cursor (cursor_mode mode) NOTHROW 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
481{ 502{
482 screen_t *s; 503 screen_t *s;
483 504
484#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
485 if (current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
511 } 532 }
512 533
513 /* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
514 min_it (s->cur.row, nrow - 1); 535 min_it (s->cur.row, nrow - 1);
515 min_it (s->cur.col, ncol - 1); 536 min_it (s->cur.col, ncol - 1);
516#ifdef DEBUG_STRICT
517 assert (s->cur.row >= 0); 537 assert (s->cur.row >= 0);
518 assert (s->cur.col >= 0); 538 assert (s->cur.col >= 0);
519#endif
520} 539}
521 540
522void 541void
523rxvt_term::scr_swap_screen () 542rxvt_term::scr_swap_screen () noexcept
524{ 543{
525 if (!option (Opt_secondaryScreen)) 544 if (!option (Opt_secondaryScreen))
526 return; 545 return;
527 546
528 for (int i = prev_nrow; i--; ) 547 for (int i = prev_nrow; i--; )
547 return; 566 return;
548 567
549 want_refresh = 1; 568 want_refresh = 1;
550 view_start = 0; 569 view_start = 0;
551 570
552 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 ();
553 577
554 int i = current_screen; current_screen = scrn; scrn = i; 578 current_screen = scrn;
555 579
556#if NSCREENS 580#if NSCREENS
557 if (option (Opt_secondaryScreen)) 581 if (option (Opt_secondaryScreen))
558 { 582 {
559 num_scr = 0; 583 num_scr = 0;
571 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
572} 596}
573 597
574// clear WrapNext indicator, solidifying position on next line 598// clear WrapNext indicator, solidifying position on next line
575void 599void
576rxvt_term::scr_do_wrap () NOTHROW 600rxvt_term::scr_do_wrap () noexcept
577{ 601{
578 if (!(screen.flags & Screen_WrapNext)) 602 if (!(screen.flags & Screen_WrapNext))
579 return; 603 return;
580 604
581 screen.flags &= ~Screen_WrapNext; 605 screen.flags &= ~Screen_WrapNext;
591/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
592/* 616/*
593 * Change the colour for following text 617 * Change the colour for following text
594 */ 618 */
595void 619void
596rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
597{ 621{
598 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) 622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
599 color = fgbg; 623 color = fgbg;
600 624
601 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
602 rstyle = SET_FGCOLOR (rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
603 else 627 else
607/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
608/* 632/*
609 * Change the rendition style for following text 633 * Change the rendition style for following text
610 */ 634 */
611void 635void
612rxvt_term::scr_rendition (int set, int style) NOTHROW 636rxvt_term::scr_rendition (int set, int style) noexcept
613{ 637{
614 if (set) 638 if (set)
615 rstyle |= style; 639 rstyle |= style;
616 else if (style == ~RS_None) 640 else if (style == ~RS_None)
617 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
623/* 647/*
624 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
625 * count positive ==> scroll up 649 * count positive ==> scroll up
626 * count negative ==> scroll down 650 * count negative ==> scroll down
627 */ 651 */
628int 652int ecb_hot
629rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
630{ 654{
631 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
632 return 0; 656 return 0;
633 657
634 want_refresh = 1; 658 want_refresh = 1;
636 660
637 if (count > 0 661 if (count > 0
638 && row1 == 0 662 && row1 == 0
639 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
640 { 664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
641 top_row = max (top_row - count, -saveLines); 667 top_row = max (top_row - count, -saveLines);
642
643 // scroll everything up 'count' lines
644 term_start = (term_start + count) % total_rows;
645 668
646 // sever bottommost line 669 // sever bottommost line
647 { 670 {
648 line_t &l = ROW(row2 - count); 671 line_t &l = ROW(row2);
649 l.is_longer (0); 672 l.is_longer (0);
650 l.touch (); 673 l.touch ();
651 } 674 }
652 675
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
653 // erase newly scrolled-in lines 691 // erase newly scrolled-in lines
654 for (int i = count; i--; ) 692 for (int i = count; i--; )
655 { 693 {
656 line_t &l = ROW(nrow - 1 - i); 694 line_t &l = ROW(row2 - i);
657 695
658 // optimize if already cleared, can be significant on slow machines 696 // optimise if already cleared, can be significant on slow machines
659 // could be rolled into scr_blank_screen_mem 697 // could be rolled into scr_blank_screen_mem
660 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)))
661 { 699 {
662 scr_blank_line (l, 0, l.l, rstyle); 700 scr_blank_line (l, 0, l.l, rstyle);
663 l.l = 0; 701 l.l = 0;
665 } 703 }
666 else 704 else
667 scr_blank_screen_mem (l, rstyle); 705 scr_blank_screen_mem (l, rstyle);
668 } 706 }
669 707
670 // now copy lines below the scroll region bottom to the
671 // bottom of the screen again, so they look as if they
672 // hadn't moved.
673 for (int i = nrow; --i > row2; )
674 {
675 line_t &l1 = ROW(i - count);
676 line_t &l2 = ROW(i);
677
678 ::swap (l1, l2);
679 l2.touch ();
680 }
681
682 // move and/or clear selection, if any 708 // move and/or clear selection, if any
683 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
710 && selection.beg.row <= row2)
684 { 711 {
685 selection.beg.row -= count; 712 selection.beg.row -= count;
686 selection.end.row -= count; 713 selection.end.row -= count;
687 selection.mark.row -= count; 714 selection.mark.row -= count;
688 715
689 if (selection.beg.row < top_row 716 selection_check (0);
690 || selection.end.row < top_row
691 || selection.mark.row < top_row)
692 {
693 CLEAR_ALL_SELECTION ();
694 selection.op = SELECTION_CLEAR;
695 }
696 } 717 }
697 718
698 // finally move the view window, if desired 719 // finally move the view window, if desired
699 if (option (Opt_scrollWithBuffer) 720 if (option (Opt_scrollWithBuffer)
700 && view_start != 0 721 && view_start != 0
701 && view_start != -saveLines) 722 && view_start != -saveLines)
702 scr_page (UP, count); 723 scr_page (count);
703 724
704 if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) 725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
705 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));
706 } 727 }
707 else 728 else
730 } 751 }
731 752
732 // use a simple and robust scrolling algorithm, this 753 // use a simple and robust scrolling algorithm, this
733 // part of scr_scroll_text is not time-critical. 754 // part of scr_scroll_text is not time-critical.
734 755
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
735 int rows = row2 - row1 + 1; 764 int rows = row2 - row1 + 1;
736 765
737 min_it (count, rows); 766 min_it (count, rows);
738 767
739 line_t *temp_buf = row_buf + total_rows; 768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
740 769
741 for (int row = 0; row < rows; row++) 770 for (int row = 0; row < rows; row++)
742 { 771 {
743 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
744 773
746 scr_blank_screen_mem (temp_buf [row], rstyle); 775 scr_blank_screen_mem (temp_buf [row], rstyle);
747 } 776 }
748 777
749 for (int row = 0; row < rows; row++) 778 for (int row = 0; row < rows; row++)
750 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 }
751 } 787 }
752 788
753 return count; 789 return count;
754} 790}
755 791
756/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
757/* 793/*
758 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
759 */ 795 */
760void 796void ecb_hot
761rxvt_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
762{ 798{
763 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
764 return; 800 return;
765 801
766 unsigned char checksel; 802 bool checksel;
767 unicode_t c; 803 unicode_t c;
768 int ncol = this->ncol; 804 int ncol = this->ncol;
769 const wchar_t *strend = str + len; 805 const wchar_t *strend = str + len;
770 806
771 want_refresh = 1; 807 want_refresh = 1;
784 scr_scroll_text (screen.tscroll, screen.bscroll, minlines); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
785 screen.cur.row -= minlines; 821 screen.cur.row -= minlines;
786 } 822 }
787 } 823 }
788 824
789#ifdef DEBUG_STRICT
790 assert (screen.cur.col < ncol); 825 assert (screen.cur.col < ncol);
791 assert (screen.cur.row < nrow 826 assert (screen.cur.row < nrow
792 && screen.cur.row >= top_row); 827 && screen.cur.row >= top_row);
793#endif
794 int row = screen.cur.row; 828 int row = screen.cur.row;
795 829
796 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
797 831
798 line_t *line = &ROW(row); 832 line_t *line = &ROW(row);
799 833
800 while (str < strend) 834 while (str < strend)
801 { 835 {
802 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
803 837
804 if (expect_false (c < 0x20)) 838 if (ecb_unlikely (c < 0x20))
805 if (c == C0_LF) 839 if (c == C0_LF)
806 { 840 {
807 max_it (line->l, screen.cur.col); 841 max_it (line->l, screen.cur.col);
808 842
809 screen.flags &= ~Screen_WrapNext; 843 screen.flags &= ~Screen_WrapNext;
828 { 862 {
829 scr_tab (1, true); 863 scr_tab (1, true);
830 continue; 864 continue;
831 } 865 }
832 866
833 if (expect_false ( 867 if (ecb_unlikely (
834 checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
835 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
836 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
837 )) 871 ))
838 { 872 {
843 * should be a similar check. 877 * should be a similar check.
844 */ 878 */
845 CLEAR_SELECTION (); 879 CLEAR_SELECTION ();
846 } 880 }
847 881
848 if (expect_false (screen.flags & Screen_WrapNext)) 882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
849 { 883 {
850 scr_do_wrap (); 884 scr_do_wrap ();
851 885
852 line->l = ncol; 886 line->l = ncol;
853 line->is_longer (1); 887 line->is_longer (1);
855 row = screen.cur.row; 889 row = screen.cur.row;
856 line = &ROW(row); /* _must_ refresh */ 890 line = &ROW(row); /* _must_ refresh */
857 } 891 }
858 892
859 // some utf-8 decoders "decode" surrogate characters: let's fix this. 893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
860 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
861 c = 0xfffd; 895 c = 0xfffd;
862 896
863 // 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
864 // further replacements, as wcwidth might return -1 for the line 898 // further replacements, as wcwidth might return -1 for the line
865 // drawing characters below as they might be invalid in the current 899 // drawing characters below as they might be invalid in the current
866 // locale. 900 // locale.
867 int width = WCWIDTH (c); 901 int width = WCWIDTH (c);
868 902
869 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
870 { 904 {
871 // vt100 special graphics and line drawing 905 // vt100 special graphics and line drawing
872 // 5f-7e standard vt100 906 // 5f-7e standard vt100
873 // 40-5e rxvt extension for extra curses acs chars 907 // 40-5e rxvt extension for extra curses acs chars
874 static uint16_t vt100_0[62] = { // 41 .. 7e 908 static uint16_t vt100_0[62] = { // 41 .. 7e
887 c = vt100_0[c - 0x41]; 921 c = vt100_0[c - 0x41];
888 width = 1; // vt100 line drawing characters are always single-width 922 width = 1; // vt100 line drawing characters are always single-width
889 } 923 }
890 } 924 }
891 925
892 if (expect_false (screen.flags & Screen_Insert)) 926 if (ecb_unlikely (screen.flags & Screen_Insert))
893 scr_insdel_chars (width, INSERT); 927 scr_insdel_chars (width, INSERT);
894 928
895 if (width != 0) 929 if (width != 0)
896 { 930 {
897#if !UNICODE_3 931#if !UNICODE_3
902# else 936# else
903 c = 0xfffd; 937 c = 0xfffd;
904# endif 938# endif
905#endif 939#endif
906 940
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
907 // nuke the character at this position, if required 957 // nuke the character at this position, if required
908 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.
909 line->t[screen.cur.col] == NOCHAR 961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
910 || (screen.cur.col < ncol - 1
911 && line->t[screen.cur.col + 1] == NOCHAR)
912 ))
913 scr_kill_char (*line, screen.cur.col); 962 scr_kill_char (*line, screen.cur.col);
914
915 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
916
917 // if the character doesn't fit into the remaining columns...
918 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
919 {
920 // ... artificially enlargen the previous one
921 c = NOCHAR;
922 // and try the same character next loop iteration
923 --str;
924 }
925 963
926 line->touch (); 964 line->touch ();
927 965
928 do 966 do
929 { 967 {
930 line->t[screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
931 line->r[screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
932 970
933 if (expect_true (screen.cur.col < ncol - 1)) 971 if (ecb_likely (screen.cur.col < ncol - 1))
934 screen.cur.col++; 972 screen.cur.col++;
935 else 973 else
936 { 974 {
937 line->l = ncol; 975 line->l = ncol;
938 if (screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
939 screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
940 break; 978
979 goto end_of_line;
941 } 980 }
942 981
943 c = NOCHAR; 982 c = NOCHAR;
944 } 983 }
945 while (expect_false (--width > 0)); 984 while (ecb_unlikely (--width > 0));
946 985
947 // pad with spaces when overwriting wide character with smaller one 986 // pad with spaces when overwriting wide character with smaller one
948 if (expect_false (!width)) 987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
949 { 988 {
950 line->touch ();
951
952 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
953 {
954 line->t[c] = ' '; 989 line->t[c] = ' ';
955 line->r[c] = rend; 990 line->r[c] = rend;
956 }
957 } 991 }
992
993end_of_line:
994 ;
958 } 995 }
959#if ENABLE_COMBINING 996#if ENABLE_COMBINING
960 else // width == 0 997 else // width == 0
961 { 998 {
962 if (c != 0xfeff) // ignore BOM 999 if (c != 0xfeff) // ignore BOM
977 } 1014 }
978 else if (screen.cur.row > 0 1015 else if (screen.cur.row > 0
979 && ROW(screen.cur.row - 1).is_longer ()) 1016 && ROW(screen.cur.row - 1).is_longer ())
980 { 1017 {
981 linep = &ROW(screen.cur.row - 1); 1018 linep = &ROW(screen.cur.row - 1);
982 tp = line->t + ncol - 1; 1019 tp = linep->t + ncol - 1;
983 rp = line->r + ncol - 1; 1020 rp = linep->r + ncol - 1;
984 } 1021 }
985 else 1022 else
986 continue; 1023 continue;
987 1024
988 linep->touch (); 1025 linep->touch ();
1002#endif 1039#endif
1003 } 1040 }
1004 1041
1005 max_it (line->l, screen.cur.col); 1042 max_it (line->l, screen.cur.col);
1006 1043
1007#ifdef DEBUG_STRICT
1008 assert (screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
1009#endif
1010} 1045}
1011 1046
1012/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
1013/* 1048/*
1014 * 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
1015 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
1016 */ 1051 */
1017void 1052void
1018rxvt_term::scr_backspace () NOTHROW 1053rxvt_term::scr_backspace () noexcept
1019{ 1054{
1020 if (screen.cur.col == 0) 1055 if (screen.cur.col == 0)
1021 { 1056 {
1022 if (screen.cur.row > 0) 1057 if (screen.cur.row > 0)
1023 { 1058 {
1027 1062
1028 want_refresh = 1; 1063 want_refresh = 1;
1029#endif 1064#endif
1030 } 1065 }
1031 } 1066 }
1067 else if (screen.flags & Screen_WrapNext)
1068 screen.flags &= ~Screen_WrapNext;
1032 else 1069 else
1033 scr_gotorc (0, -1, RELATIVE); 1070 scr_gotorc (0, -1, RELATIVE);
1034} 1071}
1035 1072
1036/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
1038 * Process Horizontal Tab 1075 * Process Horizontal Tab
1039 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
1040 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
1041 */ 1078 */
1042void 1079void
1043rxvt_term::scr_tab (int count, bool ht) NOTHROW 1080rxvt_term::scr_tab (int count, bool ht) noexcept
1044{ 1081{
1045 int i, x; 1082 int i, x;
1046 1083
1047 want_refresh = 1; 1084 want_refresh = 1;
1048 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
1114 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1115 * 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
1116 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1117 */ 1154 */
1118#if !ENABLE_MINIMAL 1155#if !ENABLE_MINIMAL
1119void 1156void ecb_cold
1120rxvt_term::scr_backindex () NOTHROW 1157rxvt_term::scr_backindex () noexcept
1121{ 1158{
1122 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1123 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1124 else 1161 else
1125 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1131 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1132 * 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
1133 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1134 */ 1171 */
1135#if !ENABLE_MINIMAL 1172#if !ENABLE_MINIMAL
1136void 1173void ecb_cold
1137rxvt_term::scr_forwardindex () NOTHROW 1174rxvt_term::scr_forwardindex () noexcept
1138{ 1175{
1139 if (screen.cur.col < ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1140 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1141 else 1178 else
1142 { 1179 {
1155/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1156/* 1193/*
1157 * Goto Row/Column 1194 * Goto Row/Column
1158 */ 1195 */
1159void 1196void
1160rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1161{ 1198{
1162 want_refresh = 1; 1199 want_refresh = 1;
1163 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
1164 1201
1165 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1204/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1205/* 1242/*
1206 * direction should be UP or DN 1243 * direction should be UP or DN
1207 */ 1244 */
1208void 1245void
1209rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1210{ 1247{
1211 int dirn;
1212
1213 want_refresh = 1; 1248 want_refresh = 1;
1214 ZERO_SCROLLBACK (); 1249 ZERO_SCROLLBACK ();
1215 1250
1216 dirn = ((direction == UP) ? 1 : -1);
1217
1218 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1219 1252
1220 if ((screen.cur.row == screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1221 || (screen.cur.row == screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1222 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1223 else 1256 else
1224 screen.cur.row += dirn; 1257 screen.cur.row += direction;
1225 1258
1226 clamp_it (screen.cur.row, 0, nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1227 selection_check (0); 1260 selection_check (0);
1228} 1261}
1229 1262
1234 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1235 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1236 * extension: clear to right unless wrapped: ESC [ 3 K 1269 * extension: clear to right unless wrapped: ESC [ 3 K
1237 */ 1270 */
1238void 1271void
1239rxvt_term::scr_erase_line (int mode) NOTHROW 1272rxvt_term::scr_erase_line (int mode) noexcept
1240{ 1273{
1241 unsigned int col, num; 1274 unsigned int col, num;
1242 1275
1243 want_refresh = 1; 1276 want_refresh = 1;
1244 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
1292 scr_blank_line (line, col, num, rstyle); 1325 scr_blank_line (line, col, num, rstyle);
1293} 1326}
1294 1327
1295/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1296/* 1329/*
1297 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1298 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1299 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1300 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1301 */ 1334 */
1302void 1335void
1303rxvt_term::scr_erase_screen (int mode) NOTHROW 1336rxvt_term::scr_erase_screen (int mode) noexcept
1304{ 1337{
1305 int num; 1338 int num;
1306 int32_t row; 1339 int32_t row;
1307 rend_t ren; 1340 rend_t ren;
1308 XGCValues gcvalue; 1341 XGCValues gcvalue;
1311 ZERO_SCROLLBACK (); 1344 ZERO_SCROLLBACK ();
1312 1345
1313 switch (mode) 1346 switch (mode)
1314 { 1347 {
1315 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1316 selection_check (1);
1317 scr_erase_line (0); 1349 scr_erase_line (0);
1318 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1319 num = nrow - row; 1351 num = nrow - row;
1320 break; 1352 break;
1321 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1322 selection_check (3);
1323 scr_erase_line (1); 1354 scr_erase_line (1);
1324 row = 0; 1355 row = 0;
1325 num = screen.cur.row; 1356 num = screen.cur.row;
1326 break; 1357 break;
1327 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1328 selection_check (3);
1329 row = 0; 1359 row = 0;
1330 num = nrow; 1360 num = nrow;
1331 break; 1361 break;
1332 default: 1362 default:
1333 return; 1363 return;
1342 if (row >= nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1343 return; 1373 return;
1344 1374
1345 min_it (num, nrow - row); 1375 min_it (num, nrow - row);
1346 1376
1347 // TODO: the code below does not work when view_start != 0
1348 // the workaround is to disable the clear and use a normal refresh
1349 // when view_start != 0. mysterious.
1350 if (rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1351 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1352 else if (GET_BASEBG (rstyle) == Color_bg) 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1353 { 1380 {
1354 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1355 1382
1356 if (mapped && !view_start) 1383 if (mapped)
1357 XClearArea (dpy, vt, 0, 1384 XClearArea (dpy, vt, 0,
1358 Row2Pixel (row - view_start), (unsigned int)width, 1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1359 (unsigned int)Height2Pixel (num), False); 1386 (unsigned int)Height2Pixel (num), False);
1360 } 1387 }
1361 else 1388 else
1362 { 1389 {
1363 ren = rstyle & (RS_fgMask | RS_bgMask); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1364 1391
1365 if (mapped && !view_start) 1392 if (mapped)
1366 { 1393 {
1367 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1368 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1369 XFillRectangle (dpy, vt, gc, 1396 XFillRectangle (dpy, vt, gc,
1370 0, Row2Pixel (row - view_start), 1397 0, Row2Pixel (row - view_start),
1371 (unsigned int)width, 1398 (unsigned int)vt_width,
1372 (unsigned int)Height2Pixel (num)); 1399 (unsigned int)Height2Pixel (num));
1373 gcvalue.foreground = pix_colors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1374 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1375 } 1402 }
1376 } 1403 }
1377 1404
1378 for (; num--; row++) 1405 for (; num--; row++)
1379 { 1406 {
1380 scr_blank_screen_mem (ROW(row), rstyle); 1407 scr_blank_screen_mem (ROW(row), rstyle);
1381 1408
1382 if (!view_start) 1409 if (row - view_start < nrow)
1383 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1384 } 1411 }
1385} 1412}
1386 1413
1387#if !ENABLE_MINIMAL 1414#if !ENABLE_MINIMAL
1388void 1415void
1389rxvt_term::scr_erase_savelines () NOTHROW 1416rxvt_term::scr_erase_savelines () noexcept
1390{ 1417{
1391 want_refresh = 1; 1418 want_refresh = 1;
1392 ZERO_SCROLLBACK (); 1419 ZERO_SCROLLBACK ();
1393 1420
1394 top_row = 0; 1421 top_row = 0;
1398/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1399/* 1426/*
1400 * Fill the screen with `E's 1427 * Fill the screen with `E's
1401 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1402 */ 1429 */
1403void 1430void ecb_cold
1404rxvt_term::scr_E () NOTHROW 1431rxvt_term::scr_E () noexcept
1405{ 1432{
1406 rend_t fs; 1433 rend_t fs;
1407 1434
1408 want_refresh = 1; 1435 want_refresh = 1;
1409 ZERO_SCROLLBACK (); 1436 ZERO_SCROLLBACK ();
1410 1437
1411 num_scr_allow = 0; 1438 num_scr_allow = 0;
1412 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 ();
1413 1444
1414 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1415 for (int row = nrow; row--; ) 1446 for (int row = nrow; row--; )
1416 { 1447 {
1417 line_t &line = ROW(row); 1448 line_t &line = ROW(row);
1430/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1431/* 1462/*
1432 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1433 */ 1464 */
1434void 1465void
1435rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1436{ 1467{
1437 int end; 1468 int end;
1438 1469
1439 ZERO_SCROLLBACK (); 1470 ZERO_SCROLLBACK ();
1440 1471
1460/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1461/* 1492/*
1462 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1463 */ 1494 */
1464void 1495void
1465rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1466{ 1497{
1467 want_refresh = 1; 1498 want_refresh = 1;
1468 ZERO_SCROLLBACK (); 1499 ZERO_SCROLLBACK ();
1469 1500
1470 if (count <= 0) 1501 if (count <= 0)
1541 { 1572 {
1542 line->t[col] = line->t[col + count]; 1573 line->t[col] = line->t[col + count];
1543 line->r[col] = line->r[col + count]; 1574 line->r[col] = line->r[col + count];
1544 } 1575 }
1545 1576
1546 scr_blank_line (*line, ncol - count, count, 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1547 line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask));
1548 1578
1549 if (selection.op && current_screen == selection.screen 1579 if (selection.op && current_screen == selection.screen
1550 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1551 { 1581 {
1552 if (selection.end.row != screen.cur.row 1582 if (selection.end.row != screen.cur.row
1569/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1570/* 1600/*
1571 * Set the scrolling region 1601 * Set the scrolling region
1572 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1573 */ 1603 */
1574void 1604void ecb_cold
1575rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1576{ 1606{
1577 max_it (top, 0); 1607 max_it (top, 0);
1578 min_it (bot, nrow - 1); 1608 min_it (bot, nrow - 1);
1579 1609
1580 if (top > bot) 1610 if (top > bot)
1589/* 1619/*
1590 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1591 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1592 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1593 */ 1623 */
1594void 1624void ecb_cold
1595rxvt_term::scr_cursor_visible (int mode) NOTHROW 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1596{ 1626{
1597 want_refresh = 1; 1627 want_refresh = 1;
1598 1628
1599 if (mode) 1629 if (mode)
1600 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1606/* 1636/*
1607 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1608 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1609 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1610 */ 1640 */
1611void 1641void ecb_cold
1612rxvt_term::scr_autowrap (int mode) NOTHROW 1642rxvt_term::scr_autowrap (int mode) noexcept
1613{ 1643{
1614 if (mode) 1644 if (mode)
1615 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1616 else 1646 else
1617 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1625 * 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
1626 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1627 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1628 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1629 */ 1659 */
1630void 1660void ecb_cold
1631rxvt_term::scr_relative_origin (int mode) NOTHROW 1661rxvt_term::scr_relative_origin (int mode) noexcept
1632{ 1662{
1633 if (mode) 1663 if (mode)
1634 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1635 else 1665 else
1636 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1642/* 1672/*
1643 * Set insert/replace mode 1673 * Set insert/replace mode
1644 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1645 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1646 */ 1676 */
1647void 1677void ecb_cold
1648rxvt_term::scr_insert_mode (int mode) NOTHROW 1678rxvt_term::scr_insert_mode (int mode) noexcept
1649{ 1679{
1650 if (mode) 1680 if (mode)
1651 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1652 else 1682 else
1653 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1658 * Set/Unset tabs 1688 * Set/Unset tabs
1659 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1660 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1661 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1662 */ 1692 */
1663void 1693void ecb_cold
1664rxvt_term::scr_set_tab (int mode) NOTHROW 1694rxvt_term::scr_set_tab (int mode) noexcept
1665{ 1695{
1666 if (mode < 0) 1696 if (mode < 0)
1667 memset (tabs, 0, ncol); 1697 memset (tabs, 0, ncol);
1668 else if (screen.cur.col < ncol) 1698 else if (screen.cur.col < ncol)
1669 tabs [screen.cur.col] = !!mode; 1699 tabs [screen.cur.col] = !!mode;
1674 * Set reverse/normal video 1704 * Set reverse/normal video
1675 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1676 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1677 */ 1707 */
1678void 1708void
1679rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1680{ 1710{
1681 rvideo_mode = on; 1711 rvideo_mode = on;
1682 1712
1683#ifndef NO_BELL 1713#ifndef NO_BELL
1684 on ^= rvideo_bell; 1714 on ^= rvideo_bell;
1686 1716
1687 if (rvideo_state != on) 1717 if (rvideo_state != on)
1688 { 1718 {
1689 rvideo_state = on; 1719 rvideo_state = on;
1690 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
1691 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1692#ifdef HAVE_BG_PIXMAP 1730#ifdef HAVE_IMG
1693 if (bgPixmap.pixmap == None) 1731 if (bg_img == 0)
1694#endif 1732#endif
1695 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1696 1734
1697 XGCValues gcvalue; 1735 XGCValues gcvalue;
1698 gcvalue.foreground = pix_colors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1707/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1708/* 1746/*
1709 * Report current cursor position 1747 * Report current cursor position
1710 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1711 */ 1749 */
1712void 1750void ecb_cold
1713rxvt_term::scr_report_position () NOTHROW 1751rxvt_term::scr_report_position () noexcept
1714{ 1752{
1715 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);
1716} 1754}
1717 1755
1718/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1720 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1721 1759
1722/* 1760/*
1723 * Set font style 1761 * Set font style
1724 */ 1762 */
1725void 1763void ecb_cold
1726rxvt_term::set_font_style () NOTHROW 1764rxvt_term::set_font_style () noexcept
1727{ 1765{
1728#if 0 1766#if 0
1729 switch (charsets [screen.charset]) 1767 switch (charsets [screen.charset])
1730 { 1768 {
1731 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1752 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1753 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1754 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1755 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1756 */ 1794 */
1757void 1795void ecb_cold
1758rxvt_term::scr_charset_choose (int set) NOTHROW 1796rxvt_term::scr_charset_choose (int set) noexcept
1759{ 1797{
1760 screen.charset = set; 1798 screen.charset = set;
1761 set_font_style (); 1799 set_font_style ();
1762} 1800}
1763 1801
1769 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1770 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1771 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1772 */ 1810 */
1773void 1811void
1774rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1775{ 1813{
1776 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1777 set_font_style (); 1815 set_font_style ();
1778} 1816}
1779 1817
1783 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1784 1822
1785/* 1823/*
1786 * refresh matching text. 1824 * refresh matching text.
1787 */ 1825 */
1788bool 1826bool ecb_cold
1789rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1790{ 1828{
1791 bool found = false; 1829 bool found = false;
1792 1830
1793 for (int i = 0; i < nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1794 { 1832 {
1812 PART_BEG = 0, 1850 PART_BEG = 0,
1813 PART_END, 1851 PART_END,
1814 RC_COUNT 1852 RC_COUNT
1815}; 1853};
1816 1854
1817void 1855void ecb_hot
1818rxvt_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
1819{ 1857{
1820 int i; 1858 int i;
1821 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1822 1860
1823 if (!drawn_buf) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1842 for (i = PART_BEG; i < RC_COUNT; i++) 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1843 { 1881 {
1844 min_it (rc[i].col, ncol - 1); 1882 min_it (rc[i].col, ncol - 1);
1845 min_it (rc[i].row, nrow - 1); 1883 min_it (rc[i].row, nrow - 1);
1846 } 1884 }
1847// TODO: this line somehow causes segfault if scr_expose() is called just after resize 1885
1848 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++)
1849 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);
1850 1888
1851 num_scr_allow = 0; 1889 num_scr_allow = 0;
1852 1890
1857/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1858/* 1896/*
1859 * Refresh the entire screen 1897 * Refresh the entire screen
1860 */ 1898 */
1861void 1899void
1862rxvt_term::scr_touch (bool refresh) NOTHROW 1900rxvt_term::scr_touch (bool refresh) noexcept
1863{ 1901{
1864 scr_expose (0, 0, width, height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1865} 1903}
1866 1904
1867/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1868/* 1906/*
1869 * 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
1870 * the top of the screen 1908 * the top of the screen
1871 */ 1909 */
1872void 1910void
1873rxvt_term::scr_move_to (int y, int len) NOTHROW 1911rxvt_term::scr_move_to (int y, int len) noexcept
1874{ 1912{
1875 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);
1876} 1915}
1877 1916
1878/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1879/* 1918/*
1880 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1881 * direction should be UP or DN 1920 * direction should be UP or DN
1882 */ 1921 */
1883bool 1922bool
1884rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1923rxvt_term::scr_page (int nlines) noexcept
1885{ 1924{
1886 int new_view_start =
1887 direction == UP ? view_start - nlines
1888 : view_start + nlines;
1889
1890 return scr_changeview (new_view_start); 1925 return scr_changeview (view_start - nlines);
1891} 1926}
1892 1927
1893bool 1928bool
1894rxvt_term::scr_changeview (int new_view_start) NOTHROW 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1895{ 1930{
1896 clamp_it (new_view_start, top_row, 0); 1931 clamp_it (new_view_start, top_row, 0);
1897 1932
1898 if (new_view_start == view_start) 1933 if (new_view_start == view_start)
1899 return false; 1934 return false;
1917} 1952}
1918#endif 1953#endif
1919 1954
1920/* ------------------------------------------------------------------------- */ 1955/* ------------------------------------------------------------------------- */
1921void 1956void
1922rxvt_term::scr_bell () NOTHROW 1957rxvt_term::scr_bell () noexcept
1923{ 1958{
1924#ifndef NO_BELL 1959#ifndef NO_BELL
1925 1960
1926# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1927# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1928 if (option (Opt_mapAlert)) 1963 if (option (Opt_mapAlert))
1929# endif 1964# endif
1930 XMapWindow (dpy, parent[0]); 1965 XMapWindow (dpy, parent);
1931# endif 1966# endif
1932 1967
1933# if ENABLE_FRILLS 1968# if ENABLE_FRILLS
1934 if (option (Opt_urgentOnBell)) 1969 if (option (Opt_urgentOnBell))
1935 set_urgency (1); 1970 set_urgency (1);
1943 1978
1944 bell_ev.start (VISUAL_BELL_DURATION); 1979 bell_ev.start (VISUAL_BELL_DURATION);
1945 } 1980 }
1946 else 1981 else
1947 XBell (dpy, 0); 1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1948#endif 1984#endif
1949} 1985}
1950 1986
1951/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1952/* ARGSUSED */ 1988void ecb_cold
1953void
1954rxvt_term::scr_printscreen (int fullhist) NOTHROW 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1955{ 1990{
1956#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1957 int nrows, row_start; 1992 int nrows, row_start;
1958 FILE *fd = popen_printer (); 1993 FILE *fd = popen_printer ();
1959 1994
1971 row_start = view_start; 2006 row_start = view_start;
1972 } 2007 }
1973 2008
1974 wctomb (0, 0); 2009 wctomb (0, 0);
1975 2010
1976 for (int r1 = 0; r1 < nrows; r1++) 2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1977 { 2012 {
1978 text_t *tp = ROW(r1).t; 2013 text_t *tp = ROW(r1).t;
1979 int len = ROW(r1).l; 2014 int len = ROW(r1).l;
1980 2015
1981 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
2007/* 2042/*
2008 * Refresh the screen 2043 * Refresh the screen
2009 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
2010 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
2011 */ 2046 */
2012void 2047void ecb_hot
2013rxvt_term::scr_refresh () NOTHROW 2048rxvt_term::scr_refresh () noexcept
2014{ 2049{
2015 unsigned char have_bg,
2016 showcursor; /* show the cursor */
2017 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
2018 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
2019 int i; /* tmp */ 2052 int i; /* tmp */
2020#ifndef NO_CURSORCOLOR
2021 rend_t cc1; /* store colours at cursor position (s) */
2022#endif
2023 rend_t *crp; // cursor rendition pointer
2024 rend_t ccol1, /* Cursor colour */ 2053 rend_t ccol1, /* Cursor colour */
2025 ccol2; /* Cursor colour2 */ 2054 ccol2; /* Cursor colour2 */
2055 rend_t cur_rend;
2056 int cur_col;
2057 int cursorwidth;
2026 2058
2027 want_refresh = 0; /* screen is current */ 2059 want_refresh = 0; /* screen is current */
2028 2060
2029 if (refresh_type == NO_REFRESH || !mapped) 2061 if (refresh_type == NO_REFRESH || !mapped)
2030 return; 2062 return;
2032 /* 2064 /*
2033 * A: set up vars 2065 * A: set up vars
2034 */ 2066 */
2035 refresh_count = 0; 2067 refresh_count = 0;
2036 2068
2069 unsigned int old_screen_flags = screen.flags;
2037 have_bg = 0; 2070 bool have_bg = 0;
2038#ifdef HAVE_BG_PIXMAP 2071#ifdef HAVE_IMG
2039 have_bg = bgPixmap.pixmap != None; 2072 have_bg = bg_img != 0;
2040#endif 2073#endif
2041 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2042 2075
2043 /* 2076 /*
2044 * B: reverse any characters which are selected 2077 * B: reverse any characters which are selected
2045 */ 2078 */
2046 scr_reverse_selection (); 2079 scr_reverse_selection ();
2047 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
2048 /* 2088 /*
2049 * C: set the cursor character (s) 2089 * C: set the cursor character (s)
2050 */ 2090 */
2051 { 2091 {
2052 unsigned char setoldcursor;
2053
2054 showcursor = (screen.flags & Screen_VisibleCursor);
2055#ifdef CURSOR_BLINK 2092#ifdef CURSOR_BLINK
2056 if (hidden_cursor) 2093 if (hidden_cursor)
2057 showcursor = 0; 2094 showcursor = 0;
2058#endif 2095#endif
2059 2096
2062 int col = screen.cur.col; 2099 int col = screen.cur.col;
2063 2100
2064 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2065 col--; 2102 col--;
2066 2103
2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2108
2067 crp = &ROW(screen.cur.row).r[col]; 2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2068 2111
2069#ifndef NO_CURSORCOLOR 2112#ifndef NO_CURSORCOLOR
2070 cc1 = *crp & (RS_fgMask | RS_bgMask);
2071 if (ISSET_PIXCOLOR (Color_cursor)) 2113 if (ISSET_PIXCOLOR (Color_cursor))
2072 ccol1 = Color_cursor; 2114 ccol1 = Color_cursor;
2073 else 2115 else
2074#endif 2116#endif
2075#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2087 ccol2 = bgcolor_of (rstyle); 2129 ccol2 = bgcolor_of (rstyle);
2088#else 2130#else
2089 ccol2 = Color_bg; 2131 ccol2 = Color_bg;
2090#endif 2132#endif
2091 2133
2092 if (showcursor && focus) 2134 if (focus && cursor_type == 0)
2093 { 2135 {
2094 if (option (Opt_cursorUnderline)) 2136 rend_t rend = cur_rend;
2095 *crp ^= RS_Uline; 2137
2096 else
2097 {
2098 *crp ^= RS_RVid; 2138 rend ^= RS_RVid;
2099 *crp = SET_FGCOLOR (*crp, ccol1); 2139 rend = SET_FGCOLOR (rend, ccol1);
2100 *crp = SET_BGCOLOR (*crp, ccol2); 2140 rend = SET_BGCOLOR (rend, ccol2);
2101 } 2141
2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2102 } 2143 }
2103 } 2144 }
2104 2145
2105 /* make sure no outline cursor is left around */ 2146 /* make sure no outline cursor is left around */
2106 setoldcursor = 0; 2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2107 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)
2108 { 2155 {
2109 if (screen.cur.row - view_start != ocrow 2156 oldcursor.row = screen.cur.row - view_start;
2110 || screen.cur.col != oldcursor.col) 2157 oldcursor.col = screen.cur.col;
2111 {
2112 if (ocrow < nrow
2113 && oldcursor.col < ncol)
2114 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2115
2116 if (focus || !showcursor)
2117 oldcursor.row = -1;
2118 else
2119 setoldcursor = 1;
2120 }
2121 } 2158 }
2122 else if (!focus) 2159 else
2123 setoldcursor = 1;
2124
2125 if (setoldcursor)
2126 {
2127 if (screen.cur.row - view_start >= nrow)
2128 oldcursor.row = -1; 2160 oldcursor.row = -1;
2129 else
2130 {
2131 oldcursor.row = screen.cur.row - view_start;
2132 oldcursor.col = screen.cur.col;
2133 }
2134 }
2135 } 2161 }
2136
2137 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2138#if ENABLE_OVERLAY
2139 scr_swap_overlay ();
2140#endif
2141 2162
2142#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
2143 /* 2164 /*
2144 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
2145 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
2150 { 2171 {
2151 int16_t nits; 2172 int16_t nits;
2152 int i = num_scr; 2173 int i = num_scr;
2153 int j; 2174 int j;
2154 int len, wlen; 2175 int len, wlen;
2155 dLocal (int, num_scr);
2156 2176
2157 j = nrow; 2177 j = nrow;
2158 wlen = len = -1; 2178 wlen = len = -1;
2159 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2160 2180
2226 int ypixel = (int)Row2Pixel (row); 2246 int ypixel = (int)Row2Pixel (row);
2227 2247
2228 for (col = 0; col < ncol; col++) 2248 for (col = 0; col < ncol; col++)
2229 { 2249 {
2230 /* compare new text with old - if exactly the same then continue */ 2250 /* compare new text with old - if exactly the same then continue */
2231 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2232 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2233 || (stp[col] == ' ' /* space w/ no background change */
2234 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2235 continue; 2252 continue;
2236 2253
2237 // redraw one or more characters 2254 // redraw one or more characters
2238 2255
2239 // seek to the beginning of wide characters 2256 // seek to the beginning of wide characters
2240 while (expect_false (stp[col] == NOCHAR && col > 0)) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2241 --col; 2258 --col;
2242 2259
2243 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2244 text_t *text = stp + col; 2261 text_t *text = stp + col;
2245 int count = 1; 2262 int count = 1;
2246 2263
2247 dtp[col] = stp[col]; 2264 dtp[col] = stp[col];
2248 drp[col] = rend; 2265 drp[col] = rend;
2252 for (i = 0; ++col < ncol; ) 2269 for (i = 0; ++col < ncol; )
2253 { 2270 {
2254 if (stp[col] == NOCHAR) 2271 if (stp[col] == NOCHAR)
2255 { 2272 {
2256 dtp[col] = stp[col]; 2273 dtp[col] = stp[col];
2257 drp[col] = rend; 2274 drp[col] = srp[col];
2275
2258 count++; 2276 count++;
2259 i++; 2277 i++;
2260 2278
2261 continue; 2279 continue;
2262 } 2280 }
2282 2300
2283 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2284 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2285 2303
2286 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2287 while (expect_false (i && text[count] == NOCHAR)) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2288 count++, i--; 2306 count++, i--;
2289 2307
2290 /* 2308 /*
2291 * Determine the attributes for the string 2309 * Determine the attributes for the string
2292 */ 2310 */
2293 int fore = fgcolor_of (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2294 int back = bgcolor_of (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2295 2313
2296 // 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
2297 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)))
2298 { 2316 {
2299 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2300 2318
2301#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2302 if (rend & RS_Bold && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
2321 2339
2322 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL)) 2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2323 fore = Color_UL; 2341 fore = Color_UL;
2324#endif 2342#endif
2325 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
2326 if (invert) 2364 if (invert)
2327 { 2365 {
2328#ifdef OPTION_HC
2329 if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2330 || !ISSET_PIXCOLOR (Color_HC))
2331#endif
2332 /* invert the column if no highlightColor is set or it is the
2333 * current cursor column */
2334 ::swap (fore, back); 2366 ::swap (fore, back);
2335#ifdef OPTION_HC
2336 else if (ISSET_PIXCOLOR (Color_HC))
2337 back = Color_HC;
2338#endif
2339 2367
2340#ifndef NO_BOLD_UNDERLINE_REVERSE 2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2341# ifndef OPTION_HC
2342 if (ISSET_PIXCOLOR (Color_RV))
2343 back = Color_RV;
2344# endif
2345 if (fore == back) 2369 if (fore == back)
2346 { 2370 {
2347 fore = Color_bg; 2371 fore = Color_bg;
2348 back = Color_fg; 2372 back = Color_fg;
2349 } 2373 }
2385 /* 2409 /*
2386 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2387 */ 2411 */
2388 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2389 2413
2390 if (expect_true (have_bg && back == Color_bg)) 2414 if (ecb_likely (have_bg && back == Color_bg))
2391 { 2415 {
2392 // this is very ugly, maybe push it into ->draw? 2416 // this is very ugly, maybe push it into ->draw?
2393 2417
2394 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2395 if (text[i] != ' ') 2419 if (text[i] != ' ')
2402 did_clear: ; 2426 did_clear: ;
2403 } 2427 }
2404 else 2428 else
2405 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2406 2430
2407 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2408 { 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
2409#if ENABLE_FRILLS 2437#if ENABLE_FRILLS
2410 if (ISSET_PIXCOLOR (Color_underline)) 2438 if (ISSET_PIXCOLOR (Color_underline))
2411 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2412 else 2440 else
2413#endif 2441#endif
2418 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2419 } 2447 }
2420 } /* for (col....) */ 2448 } /* for (col....) */
2421 } /* for (row....) */ 2449 } /* for (row....) */
2422 2450
2423#if ENABLE_OVERLAY
2424 scr_swap_overlay ();
2425#endif
2426 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2427
2428 /* 2451 /*
2429 * G: cleanup cursor and display outline cursor if necessary 2452 * G: cleanup cursor and display outline cursor if necessary
2430 */ 2453 */
2431 if (showcursor) 2454 if (showcursor)
2432 { 2455 {
2433 if (focus) 2456 if (focus)
2434 { 2457 {
2435 if (option (Opt_cursorUnderline)) 2458 if (cursor_type == 0)
2436 *crp ^= RS_Uline; 2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2437 else 2460 else if (oldcursor.row >= 0)
2438 { 2461 {
2439 *crp ^= RS_RVid; 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2440#ifndef NO_CURSORCOLOR 2463 if (cursor_type == 1)
2441 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2464 XFillRectangle (dpy, vt, gc,
2442#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));
2443 } 2475 }
2444 } 2476 }
2445 else if (oldcursor.row >= 0) 2477 else if (oldcursor.row >= 0)
2446 { 2478 {
2447 int cursorwidth = 1;
2448 int col = oldcursor.col;
2449
2450 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2451 col--;
2452
2453 while (col + cursorwidth < ncol
2454 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2455 cursorwidth++;
2456
2457#ifndef NO_CURSORCOLOR
2458 if (ISSET_PIXCOLOR (Color_cursor))
2459 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2460 else
2461#endif
2462 XSetForeground (dpy, gc, pix_colors[ccol1]); 2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2463 2480
2464 XDrawRectangle (dpy, vt, gc, 2481 XDrawRectangle (dpy, vt, gc,
2465 Col2Pixel (col), 2482 Col2Pixel (cur_col),
2466 Row2Pixel (oldcursor.row), 2483 Row2Pixel (oldcursor.row),
2467 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2468 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2485 (unsigned int) (Height2Pixel (1) - 1));
2469 } 2486 }
2470 } 2487 }
2471 2488
2472 /* 2489 /*
2473 * H: cleanup selection 2490 * H: cleanup selection
2474 */ 2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2475 scr_reverse_selection (); 2497 scr_reverse_selection ();
2476 2498
2499 screen.flags = old_screen_flags;
2477 num_scr = 0; 2500 num_scr = 0;
2478 num_scr_allow = 1; 2501 num_scr_allow = 1;
2479} 2502}
2480 2503
2481void 2504void ecb_cold
2482rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2483{ 2506{
2484 if (!l.t) 2507 if (!l.valid ())
2485 return; 2508 return;
2486 2509
2487 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
2488 2511
2489 for (int i = ncol; i--; ) 2512 for (int i = ncol; i--; )
2490 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]));
2491} 2514}
2492 2515
2493void 2516void ecb_cold
2494rxvt_term::scr_remap_chars () NOTHROW 2517rxvt_term::scr_remap_chars () noexcept
2495{ 2518{
2496 for (int i = total_rows; i--; ) 2519 for (int i = total_rows; i--; )
2497 scr_remap_chars (row_buf [i]); 2520 scr_remap_chars (row_buf [i]);
2498 2521
2499 for (int i = nrow; i--; ) 2522 for (int i = nrow; i--; )
2501 scr_remap_chars (drawn_buf [i]); 2524 scr_remap_chars (drawn_buf [i]);
2502 scr_remap_chars (swap_buf [i]); 2525 scr_remap_chars (swap_buf [i]);
2503 } 2526 }
2504} 2527}
2505 2528
2506void 2529void ecb_cold
2507rxvt_term::scr_recolour () NOTHROW 2530rxvt_term::scr_recolor (bool refresh) noexcept
2508{ 2531{
2509#ifdef HAVE_BG_PIXMAP 2532 bool transparent = false;
2510 bgPixmap.apply ();
2511#else
2512 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 {
2513 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2514 XClearWindow (dpy, parent[0]);
2515 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2557 }
2516 2558
2517 if (scrollBar.win) 2559 XClearWindow (dpy, parent);
2560
2561 if (scrollBar.state && scrollBar.win)
2518 { 2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2519 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2520 scrollBar.state = STATE_IDLE; 2567 scrollBar.state = SB_STATE_IDLE;
2521 scrollBar.show (0); 2568 scrollBar.show (0);
2522 } 2569 }
2523 2570
2524#endif 2571 if (refresh)
2525 2572 {
2526 /* bgPixmap.apply () does not do the following : */
2527 scr_clear (); 2573 scr_clear ();
2528 scr_touch (true); 2574 scr_touch (true);
2575 }
2529 want_refresh = 1; 2576 want_refresh = 1;
2530} 2577}
2531 2578
2532/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2533void 2580void
2534rxvt_term::scr_clear (bool really) NOTHROW 2581rxvt_term::scr_clear (bool really) noexcept
2535{ 2582{
2536 if (!mapped) 2583 if (!mapped)
2537 return; 2584 return;
2538 2585
2539 num_scr_allow = 0; 2586 num_scr_allow = 0;
2542 if (really) 2589 if (really)
2543 XClearWindow (dpy, vt); 2590 XClearWindow (dpy, vt);
2544} 2591}
2545 2592
2546void 2593void
2547rxvt_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
2548{ 2595{
2549 int view_end = view_start + nrow; 2596 int view_end = view_start + nrow;
2550 int row, col; 2597 int row, col;
2551 2598
2552 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++)
2564 srp[col] ^= rstyle2; 2611 srp[col] ^= rstyle2;
2565 } 2612 }
2566} 2613}
2567 2614
2568void 2615void
2569rxvt_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
2570{ 2617{
2571 int view_end = view_start + nrow; 2618 int view_end = view_start + nrow;
2572 int row, col; 2619 int row, col;
2573 2620
2574 if (beg_row >= view_start) 2621 if (beg_row >= view_start)
2590 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2591 srp[col] ^= rstyle; 2638 srp[col] ^= rstyle;
2592} 2639}
2593 2640
2594/* ------------------------------------------------------------------------- */ 2641/* ------------------------------------------------------------------------- */
2595void 2642void ecb_hot
2596rxvt_term::scr_reverse_selection () NOTHROW 2643rxvt_term::scr_reverse_selection () noexcept
2597{ 2644{
2598 if (selection.op 2645 if (selection.op
2599 && current_screen == selection.screen 2646 && current_screen == selection.screen
2600 && selection.end.row >= view_start) 2647 && selection.end.row >= view_start)
2601 { 2648 {
2602#if !ENABLE_MINIMAL 2649#if !ENABLE_MINIMAL
2603 if (selection.rect) 2650 if (selection.rect)
2604 scr_xor_rect (selection.beg.row, selection.beg.col, 2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2605 selection.end.row, selection.end.col, 2652 selection.end.row, selection.end.col,
2606 RS_RVid, RS_RVid | RS_Uline); 2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2607 else 2654 else
2608#endif 2655#endif
2609 scr_xor_span (selection.beg.row, selection.beg.col, 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2610 selection.end.row, selection.end.col, 2657 selection.end.row, selection.end.col,
2611 RS_RVid); 2658 RS_Sel | RS_RVid);
2612 } 2659 }
2613} 2660}
2614 2661
2615/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2616/* 2663/*
2617 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2618 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2619 */ 2666 */
2620#if 0 2667#if 0
2621void 2668void
2622rxvt_term::scr_dump (int fd) NOTHROW 2669rxvt_term::scr_dump (int fd) noexcept
2623{ 2670{
2624 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2625 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2626 char r1[] = "\n";
2627
2628 for (row = saveLines + top_row;
2629 row < saveLines + nrow - 1; row++)
2630 {
2631 width = row_buf[row].l >= 0 ? row_buf[row].l
2632 : ncol;
2633 for (towrite = width; towrite; towrite -= wrote)
2634 {
2635 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2636 towrite);
2637 if (wrote < 0)
2638 return; /* XXX: death, no report */
2639 }
2640 if (row_buf[row].l >= 0)
2641 if (write (fd, r1, 1) <= 0)
2642 return; /* XXX: death, no report */
2643 }
2644} 2673}
2645#endif 2674#endif
2646 2675
2647/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2648 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2649 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2650void 2679void
2651rxvt_term::selection_check (int check_more) NOTHROW 2680rxvt_term::selection_check (int check_more) noexcept
2652{ 2681{
2653 row_col_t pos;
2654
2655 if (!selection.op) 2682 if (!selection.op)
2656 return; 2683 return;
2657 2684
2658 pos.row = pos.col = 0;
2659 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2660 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2661 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2662 || (check_more == 1 2688 || (check_more == 1
2663 && current_screen == selection.screen 2689 && current_screen == selection.screen
2664 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2665 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2666 || (check_more == 2
2667 && ROWCOL_IS_BEFORE (selection.beg, pos)
2668 && ROWCOL_IS_AFTER (selection.end, pos))
2669 || (check_more == 3
2670 && ROWCOL_IS_AFTER (selection.end, pos))
2671 || (check_more == 4 /* screen width change */
2672 && (selection.beg.row != selection.end.row
2673 || selection.end.col > ncol)))
2674 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;
2675} 2707}
2676 2708
2677/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2678/* 2710/*
2679 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2680 */ 2712 */
2681void 2713void
2682rxvt_term::paste (char *data, unsigned int len) NOTHROW 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2683{ 2715{
2684 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2685 for (unsigned int i = 0; i < len; i++) 2717 for (unsigned int i = 0; i < len; i++)
2686 if (data[i] == C0_LF) 2718 if (data[i] == C0_LF)
2687 data[i] = C0_CR; 2719 data[i] = C0_CR;
2688 2720
2689 if (priv_modes & PrivMode_BracketPaste) 2721 #if ENABLE_FRILLS
2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2690 tt_printf ("\e[200~"); 2723 tt_printf ("\x1b[200~");
2724 #endif
2691 2725
2692 tt_write (data, len); 2726 tt_write (data, len);
2693 2727
2694 if (priv_modes & PrivMode_BracketPaste) 2728 #if ENABLE_FRILLS
2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2695 tt_printf ("\e[201~"); 2730 tt_printf ("\x1b[201~");
2696}
2697
2698/* ------------------------------------------------------------------------- */
2699/*
2700 * Respond to a notification that a primary selection has been sent
2701 * EXT: SelectionNotify
2702 */
2703void
2704rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2705{
2706 if (prop == None) /* check for failed XConvertSelection */
2707 {
2708 if ((selection_type & Sel_CompoundText))
2709 {
2710 int selnum = selection_type & Sel_whereMask;
2711
2712 selection_type = 0;
2713 if (selnum != Sel_direct)
2714 selection_request_other (XA_STRING, selnum);
2715 }
2716
2717 if ((selection_type & Sel_UTF8String))
2718 {
2719 int selnum = selection_type & Sel_whereMask;
2720
2721 selection_type = Sel_CompoundText;
2722 if (selnum != Sel_direct)
2723 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2724 else
2725 selection_type = 0;
2726 }
2727
2728 return;
2729 }
2730
2731 unsigned long bytes_after;
2732 XTextProperty ct;
2733
2734 if (XGetWindowProperty (dpy, win, prop,
2735 0, PROP_SIZE / 4,
2736 delete_prop, AnyPropertyType,
2737 &ct.encoding, &ct.format,
2738 &ct.nitems, &bytes_after,
2739 &ct.value) != Success)
2740 {
2741 ct.value = 0;
2742 goto bailout;
2743 }
2744
2745 if (ct.encoding == None)
2746 goto bailout;
2747
2748 if (bytes_after)
2749 {
2750 // fetch and append remaining data
2751 XTextProperty ct2;
2752
2753 if (XGetWindowProperty (dpy, win, prop,
2754 ct.nitems / 4, (bytes_after + 3) / 4,
2755 delete_prop, AnyPropertyType,
2756 &ct2.encoding, &ct2.format,
2757 &ct2.nitems, &bytes_after,
2758 &ct2.value) != Success)
2759 goto bailout;
2760
2761 // realloc should be compatible to XFree, here, and elsewhere, too
2762 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2763 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2764 ct.nitems += ct2.nitems;
2765
2766 XFree (ct2.value);
2767 }
2768
2769 if (ct.value == 0)
2770 goto bailout;
2771
2772 if (ct.encoding == xa[XA_INCR])
2773 {
2774 // INCR selection, start handshake
2775 if (!delete_prop)
2776 XDeleteProperty (dpy, win, prop);
2777
2778 selection_wait = Sel_incr;
2779 incr_buf_fill = 0;
2780 incr_ev.start (10);
2781
2782 goto bailout;
2783 }
2784
2785 if (ct.nitems == 0)
2786 {
2787 if (selection_wait == Sel_incr)
2788 {
2789 XFree (ct.value);
2790
2791 // finally complete, now paste the whole thing
2792 selection_wait = Sel_normal;
2793 ct.value = (unsigned char *)incr_buf;
2794 ct.nitems = incr_buf_fill;
2795 incr_buf = 0;
2796 incr_buf_size = 0;
2797 incr_ev.stop ();
2798 }
2799 else
2800 {
2801 if (selection_wait == Sel_normal
2802 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2803 {
2804 /*
2805 * pass through again trying CUT_BUFFER0 if we've come from
2806 * XConvertSelection () but nothing was presented
2807 */
2808 selection_paste (display->root, XA_CUT_BUFFER0, False);
2809 }
2810
2811 goto bailout;
2812 }
2813 }
2814 else if (selection_wait == Sel_incr)
2815 {
2816 incr_ev.start (10);
2817
2818 while (incr_buf_fill + ct.nitems > incr_buf_size)
2819 {
2820 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2821 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2822 }
2823
2824 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2825 incr_buf_fill += ct.nitems;
2826
2827 goto bailout;
2828 }
2829
2830 char **cl;
2831 int cr;
2832
2833#if !ENABLE_MINIMAL
2834 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2835 // so recode it manually
2836 if (ct.encoding == xa[XA_UTF8_STRING])
2837 {
2838 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2839 char *s = rxvt_wcstombs (w);
2840 free (w);
2841 // TODO: strlen == only the first element will be converted. well...
2842 paste (s, strlen (s));
2843 free (s);
2844 }
2845 else
2846#endif 2731 #endif
2847 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2848 && cl)
2849 {
2850 for (int i = 0; i < cr; i++)
2851 paste (cl[i], strlen (cl[i]));
2852
2853 XFreeStringList (cl);
2854 }
2855 else
2856 paste ((char *)ct.value, ct.nitems); // paste raw
2857
2858bailout:
2859 XFree (ct.value);
2860
2861 if (selection_wait == Sel_normal)
2862 selection_wait = Sel_none;
2863} 2732}
2864 2733
2865void 2734void
2866rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW 2735rxvt_term::paste (char *data, unsigned int len) noexcept
2867{ 2736{
2868 selection_wait = Sel_none; 2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2869
2870 incr_buf_size = 0;
2871 free (incr_buf);
2872
2873 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2874}
2875
2876void
2877rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2878{
2879 if (prop == None || selection_wait != Sel_incr)
2880 return; 2738 return;
2881 2739
2882 selection_paste (win, prop, true); 2740 tt_paste (data, len);
2883} 2741}
2884 2742
2885/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2886/* 2744/*
2887 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2888 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2889 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2890 * > CUT_BUFFER0
2891 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2892 * will auto fallback to CUT_BUFFER0
2893 * EXT: button 2 release 2748 * EXT: button 2 release
2894 */ 2749 */
2895void 2750void
2896rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2897{ 2752{
2898 if (selection.text && selnum == Sel_Primary) 2753 if (!selection_req)
2899 {
2900 /* internal selection */
2901 char *str = rxvt_wcstombs (selection.text, selection.len);
2902 paste (str, strlen (str));
2903 free (str);
2904 return;
2905 } 2754 {
2906 else 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2756 selection_req->run ();
2907 { 2757 }
2908 selection_request_time = tm;
2909 selection_wait = Sel_normal;
2910
2911#if X_HAVE_UTF8_STRING
2912 selection_type = Sel_UTF8String;
2913 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2914 return;
2915#else
2916 selection_type = Sel_CompoundText;
2917 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2918 return;
2919#endif
2920 }
2921
2922 selection_wait = Sel_none; /* don't loop in selection_paste () */
2923 selection_paste (display->root, XA_CUT_BUFFER0, false);
2924}
2925
2926int
2927rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2928{
2929 Atom sel;
2930
2931 selection_type |= selnum;
2932
2933 if (selnum == Sel_Primary)
2934 sel = XA_PRIMARY;
2935 else if (selnum == Sel_Secondary)
2936 sel = XA_SECONDARY;
2937 else
2938 sel = xa[XA_CLIPBOARD];
2939
2940 if (XGetSelectionOwner (dpy, sel) != None)
2941 {
2942 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2943 vt, selection_request_time);
2944 return 1;
2945 }
2946
2947 return 0;
2948} 2758}
2949 2759
2950/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2951/* 2761/*
2952 * Clear all selected text 2762 * Clear all selected text
2953 * EXT: SelectionClear 2763 * EXT: SelectionClear
2954 */ 2764 */
2955void 2765void
2956rxvt_term::selection_clear () NOTHROW 2766rxvt_term::selection_clear (bool clipboard) noexcept
2957{ 2767{
2768 if (!clipboard)
2769 {
2958 want_refresh = 1; 2770 want_refresh = 1;
2959 free (selection.text); 2771 free (selection.text);
2960 selection.text = NULL; 2772 selection.text = NULL;
2961 selection.len = 0; 2773 selection.len = 0;
2962 CLEAR_SELECTION (); 2774 CLEAR_SELECTION ();
2963 2775
2964 if (display->selection_owner == this) 2776 if (display->selection_owner == this)
2965 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 }
2966} 2788}
2967 2789
2968/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2969/* 2791/*
2970 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2971 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2972 */ 2794 */
2973void 2795void
2974rxvt_term::selection_make (Time tm) 2796rxvt_term::selection_make (Time tm)
2975{ 2797{
2976 int i; 2798 int size;
2977 wchar_t *new_selection_text; 2799 wchar_t *new_selection_text;
2978 text_t *t; 2800 text_t *t;
2979 2801
2980 switch (selection.op) 2802 switch (selection.op)
2981 { 2803 {
2997 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2998 2820
2999 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)))
3000 return; 2822 return;
3001 2823
3002 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3003 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));
3004 2826
3005 int ofs = 0; 2827 int ofs = 0;
3006 int extra = 0; 2828 int extra = 0;
3007 2829
3008 int col = selection.beg.col; 2830 int col = selection.beg.col;
3014 { 2836 {
3015#if !ENABLE_MINIMAL 2837#if !ENABLE_MINIMAL
3016 if (selection.rect) 2838 if (selection.rect)
3017 { 2839 {
3018 col = selection.beg.col; 2840 col = selection.beg.col;
3019 end_col = ncol + 1; 2841 end_col = selection.end.col;
3020 } 2842 }
3021 else 2843 else
3022#endif 2844#endif
3023 end_col = ROW(row).l; 2845 end_col = ROW(row).l;
3024 2846
3025 col = max (col, 0); 2847 col = max (col, 0);
3026 2848
3027 if (row == selection.end.row 2849 if (row == selection.end.row)
3028#if !ENABLE_MINIMAL
3029 || selection.rect
3030#endif
3031 )
3032 min_it (end_col, selection.end.col); 2850 min_it (end_col, selection.end.col);
3033 2851
3034 t = ROW(row).t + col; 2852 t = ROW(row).t + col;
3035 2853
3036 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
3038 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
3039 t++; 2857 t++;
3040#if ENABLE_COMBINING 2858#if ENABLE_COMBINING
3041 else if (IS_COMPOSE (*t)) 2859 else if (IS_COMPOSE (*t))
3042 { 2860 {
3043 int len = rxvt_composite.expand (*t, 0); 2861 int len = rxvt_composite.expand (*t);
3044 2862
3045 extra -= (len - 1); 2863 extra -= (len - 1);
3046 2864
3047 if (extra < 0) 2865 if (extra < 0)
3048 { 2866 {
3049 extra += i; 2867 extra += size;
3050 i += i; 2868 size += size;
3051 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));
3052 } 2870 }
3053 2871
3054 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3055 } 2873 }
3056#endif 2874#endif
3068 2886
3069 new_selection_text[ofs++] = C0_LF; 2887 new_selection_text[ofs++] = C0_LF;
3070 } 2888 }
3071 else 2889 else
3072#endif 2890#endif
3073 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))
3074 new_selection_text[ofs++] = C0_LF; 2894 new_selection_text[ofs++] = C0_LF;
3075 } 2895 }
3076
3077 if (end_col != selection.end.col)
3078 new_selection_text[ofs++] = C0_LF;
3079 2896
3080 new_selection_text[ofs] = 0; 2897 new_selection_text[ofs] = 0;
3081 2898
3082 if (ofs == 0) 2899 if (ofs == 0)
3083 { 2900 {
3096 2913
3097 selection_grab (tm); 2914 selection_grab (tm);
3098} 2915}
3099 2916
3100bool 2917bool
3101rxvt_term::selection_grab (Time tm) NOTHROW 2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
3102{ 2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
3103 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 }
3104 2932
3105 XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm); 2933 XSetSelectionOwner (dpy, sel, vt, tm);
3106 if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt) 2934 if (XGetSelectionOwner (dpy, sel) == vt)
3107 { 2935 {
3108 display->set_selection_owner (this); 2936 display->set_selection_owner (this, clipboard);
3109 return true; 2937 return true;
3110 } 2938 }
3111 else 2939 else
3112 { 2940 {
3113 selection_clear (); 2941 selection_clear (clipboard);
3114 return false; 2942 return false;
3115 } 2943 }
3116 2944
3117#if 0 2945#if 0
3118 XTextProperty ct; 2946 XTextProperty ct;
3128/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
3129/* 2957/*
3130 * 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
3131 * EXT: button 1 press 2959 * EXT: button 1 press
3132 */ 2960 */
3133void 2961void ecb_cold
3134rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
3135{ 2963{
3136 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
3137 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
3138 2966
3139 if (clicks == 2 && !selection.rect 2967 if (clicks == 2 && !selection.rect
3157 2985
3158/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
3159/* 2987/*
3160 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
3161 */ 2989 */
3162void 2990void ecb_cold
3163rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
3164{ 2992{
3165 want_refresh = 1; 2993 want_refresh = 1;
3166 2994
3167 selection.mark.row = row + view_start; 2995 selection.mark.row = row + view_start;
3168 selection.mark.col = col; 2996 selection.mark.col = col;
3190 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
3191 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
3192 */ 3020 */
3193 3021
3194/* 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 */
3195#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
3196 (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)))
3197#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
3198 3026
3199void 3027void ecb_cold
3200rxvt_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
3201{ 3029{
3202 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
3203 row_col_t bound; 3031 row_col_t bound;
3204 text_t *stp; 3032 text_t *stp;
3205 rend_t *srp; 3033 rend_t *srp;
3278 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
3279 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
3280 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
3281 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
3282 */ 3110 */
3283void 3111void ecb_cold
3284rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
3285{ 3113{
3286 int col = clamp (Pixel2Col (x), 0, ncol); 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3287 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3288 3116
3289 /* 3117 /*
3314 3142
3315/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3316/* 3144/*
3317 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3318 */ 3146 */
3319void 3147void ecb_cold
3320rxvt_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
3321{ 3149{
3322 row_col_t pos; 3150 row_col_t pos;
3323 enum { 3151 enum {
3324 LEFT, RIGHT 3152 LEFT, RIGHT
3325 } closeto = RIGHT; 3153 } closeto = RIGHT;
3326
3327 want_refresh = 1;
3328 3154
3329 switch (selection.op) 3155 switch (selection.op)
3330 { 3156 {
3331 case SELECTION_INIT: 3157 case SELECTION_INIT:
3332 CLEAR_SELECTION (); 3158 CLEAR_SELECTION ();
3512 3338
3513#if !ENABLE_MINIMAL 3339#if !ENABLE_MINIMAL
3514 if (selection.rect && selection.beg.col > selection.end.col) 3340 if (selection.rect && selection.beg.col > selection.end.col)
3515 ::swap (selection.beg.col, selection.end.col); 3341 ::swap (selection.beg.col, selection.end.col);
3516#endif 3342#endif
3343
3344 selection_changed ();
3517} 3345}
3518 3346
3519#if !ENABLE_MINIMAL 3347#if !ENABLE_MINIMAL
3520void 3348void ecb_cold
3521rxvt_term::selection_remove_trailing_spaces () NOTHROW 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3522{ 3350{
3523 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3524 text_t *stp; 3352 text_t *stp;
3525 3353
3526 end_col = selection.end.col; 3354 end_col = selection.end.col;
3563/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3564/* 3392/*
3565 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3566 * EXT: button 3 double click 3394 * EXT: button 3 double click
3567 */ 3395 */
3568void 3396void ecb_cold
3569rxvt_term::selection_rotate (int x, int y) NOTHROW 3397rxvt_term::selection_rotate (int x, int y) noexcept
3570{ 3398{
3571 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3572 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3573} 3401}
3574 3402
3575/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3576/* 3404/*
3577 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3578 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3579 */ 3407 */
3580void 3408void ecb_cold
3581rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3582{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3583 XSelectionEvent ev; 3412 XSelectionEvent ev;
3584 3413
3585 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3586 ev.property = None; 3415 ev.property = None;
3587 ev.display = rq.display; 3416 ev.display = rq.display;
3602 *target++ = xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3603#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3604 *target++ = xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3605#endif 3434#endif
3606 3435
3607 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3608 32, PropModeReplace, 3437 32, PropModeReplace,
3609 (unsigned char *)target_list, target - target_list); 3438 (unsigned char *)target_list, target - target_list);
3610 ev.property = rq.property; 3439 ev.property = property;
3611 } 3440 }
3612#if TODO // TODO 3441#if TODO // TODO
3613 else if (rq.target == xa[XA_MULTIPLE]) 3442 else if (rq.target == xa[XA_MULTIPLE])
3614 { 3443 {
3615 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3616 } 3445 }
3617#endif 3446#endif
3618 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3619 { 3448 {
3620 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3621 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3622 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;
3623 } 3458 }
3624 else if (rq.target == XA_STRING 3459 else if (rq.target == XA_STRING
3625 || rq.target == xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3626 || rq.target == xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3627 || rq.target == xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
3659 { 3494 {
3660 target = xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3661 style = enc_compound_text; 3496 style = enc_compound_text;
3662 } 3497 }
3663 3498
3664 if (selection.text) 3499 if (rq.selection == XA_PRIMARY && selection.text)
3665 { 3500 {
3666 cl = selection.text; 3501 cl = selection.text;
3667 selectlen = selection.len; 3502 selectlen = selection.len;
3668 } 3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3669 else 3509 else
3670 { 3510 {
3671 cl = L""; 3511 cl = (wchar_t *)L"";
3672 selectlen = 0; 3512 selectlen = 0;
3673 } 3513 }
3674 3514
3675#if !ENABLE_MINIMAL 3515#if !ENABLE_MINIMAL
3676 // 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
3693 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3694 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3695 ct.encoding = target; 3535 ct.encoding = target;
3696 } 3536 }
3697 3537
3698 XChangeProperty (dpy, rq.requestor, rq.property, 3538 XChangeProperty (dpy, rq.requestor, property,
3699 ct.encoding, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3700 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3701 ev.property = rq.property; 3541 ev.property = property;
3702 3542
3703 if (freect) 3543 if (freect)
3704 XFree (ct.value); 3544 XFree (ct.value);
3705 } 3545 }
3706 3546
3707 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3708} 3548}
3709 3549
3710/* ------------------------------------------------------------------------- */ 3550/* ------------------------------------------------------------------------- */
3711#ifdef USE_XIM 3551#if USE_XIM
3712void 3552void ecb_cold
3713rxvt_term::im_set_position (XPoint &pos) NOTHROW 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3714{ 3554{
3715 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3716 3556
3717 XGetWindowAttributes (dpy, vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3718 3558
3721} 3561}
3722#endif 3562#endif
3723 3563
3724#if ENABLE_OVERLAY 3564#if ENABLE_OVERLAY
3725void 3565void
3726rxvt_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
3727{ 3567{
3728 if (nrow < 1 || ncol < 1) 3568 if (nrow < 1 || ncol < 1)
3729 return; 3569 return;
3730 3570
3731 want_refresh = 1; 3571 want_refresh = 1;
3740 h += 2; min_it (h, nrow); 3580 h += 2; min_it (h, nrow);
3741 3581
3742 x -= 1; clamp_it (x, 0, ncol - w); 3582 x -= 1; clamp_it (x, 0, ncol - w);
3743 y -= 1; clamp_it (y, 0, nrow - h); 3583 y -= 1; clamp_it (y, 0, nrow - h);
3744 3584
3745 ov_x = x; ov_y = y; 3585 ov.x = x; ov.y = y;
3746 ov_w = w; ov_h = h; 3586 ov.w = w; ov.h = h;
3747 3587
3748 ov_text = new text_t *[h]; 3588 ov.text = new text_t *[h];
3749 ov_rend = new rend_t *[h]; 3589 ov.rend = new rend_t *[h];
3750 3590
3751 for (y = 0; y < h; y++) 3591 for (y = 0; y < h; y++)
3752 { 3592 {
3753 text_t *tp = ov_text[y] = new text_t[w]; 3593 text_t *tp = ov.text[y] = new text_t[w];
3754 rend_t *rp = ov_rend[y] = new rend_t[w]; 3594 rend_t *rp = ov.rend[y] = new rend_t[w];
3755 3595
3756 text_t t0, t1, t2; 3596 text_t t0, t1, t2;
3757 rend_t r = OVERLAY_RSTYLE; 3597 rend_t r = OVERLAY_RSTYLE;
3758 3598
3759 if (y == 0) 3599 if (y == 0)
3776 *rp = r; 3616 *rp = r;
3777 } 3617 }
3778} 3618}
3779 3619
3780void 3620void
3781rxvt_term::scr_overlay_off () NOTHROW 3621rxvt_term::scr_overlay_off () noexcept
3782{ 3622{
3783 if (!ov_text) 3623 if (!ov.text)
3784 return; 3624 return;
3785 3625
3786 want_refresh = 1; 3626 want_refresh = 1;
3787 3627
3788 for (int y = 0; y < ov_h; y++) 3628 for (int y = 0; y < ov.h; y++)
3789 { 3629 {
3790 delete [] ov_text[y]; 3630 delete [] ov.text[y];
3791 delete [] ov_rend[y]; 3631 delete [] ov.rend[y];
3792 } 3632 }
3793 3633
3794 delete [] ov_text; ov_text = 0; 3634 delete [] ov.text; ov.text = 0;
3795 delete [] ov_rend; ov_rend = 0; 3635 delete [] ov.rend; ov.rend = 0;
3796} 3636}
3797 3637
3798void 3638void
3799rxvt_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
3800{ 3640{
3801 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3802 return; 3642 return;
3803 3643
3804 x++, y++; 3644 x++, y++;
3805 3645
3806 ov_text[y][x] = text; 3646 ov.text[y][x] = text;
3807 ov_rend[y][x] = rend; 3647 ov.rend[y][x] = rend;
3808} 3648}
3809 3649
3810void 3650void
3811rxvt_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
3812{ 3652{
3813 while (*s) 3653 while (*s)
3814 scr_overlay_set (x++, y, *s++); 3654 scr_overlay_set (x++, y, *s++);
3815} 3655}
3816 3656
3817void 3657void
3818rxvt_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
3819{ 3659{
3820 while (*s) 3660 while (*s)
3821 { 3661 {
3822 text_t t = *s++; 3662 text_t t = *s++;
3823 int width = WCWIDTH (t); 3663 int width = WCWIDTH (t);
3829 } 3669 }
3830 } 3670 }
3831} 3671}
3832 3672
3833void 3673void
3834rxvt_term::scr_swap_overlay () NOTHROW 3674rxvt_term::scr_swap_overlay () noexcept
3835{ 3675{
3836 if (!ov_text) 3676 if (!ov.text)
3837 return; 3677 return;
3838 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
3839 // swap screen mem with overlay 3684 // swap screen mem with overlay
3840 for (int y = ov_h; y--; ) 3685 for (int y = ov.h; y--; )
3841 { 3686 {
3842 text_t *t1 = ov_text[y]; 3687 text_t *t1 = ov.text[y];
3843 rend_t *r1 = ov_rend[y]; 3688 rend_t *r1 = ov.rend[y];
3844 3689
3845 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;
3846 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;
3847 3692
3848 for (int x = ov_w; x--; ) 3693 for (int x = ov.w; x--; )
3849 { 3694 {
3850 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3695 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3851 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));
3852 } 3697 }
3853 } 3698 }

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