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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.345 by sf-exg, Sat Jul 24 10:20:26 2010 UTC vs.
Revision 1.471 by root, Mon Aug 8 10:31:51 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!
34
35static inline void 34static inline void
36fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
37{ 36{
38 while (len--) 37 while (len--)
39 *start++ = value; 38 *start++ = value;
40} 39}
41 40
42/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 256*1024
44#define PASTE_SIZE 32768
45#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
46 43
47/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
… …
98 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
99 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
100 97
101/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
102void 99void
103rxvt_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
104{ 101{
105 if (!l.t) 102 if (!l.valid ())
106 { 103 {
107 lalloc (l); 104 l.alloc ();
108 col = 0; 105 col = 0;
109 width = ncol; 106 width = ncol;
110 } 107 }
111 108
112 l.touch (); 109 l.touch ();
113 110
114 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles 111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
115 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
116 113
117 text_t *et = l.t + col; 114 text_t *et = l.t + col;
118 rend_t *er = l.r + col; 115 rend_t *er = l.r + col;
119 116
120 while (width--) 117 while (width--)
… …
125} 122}
126 123
127/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
128/* 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 */
129void 126void
130rxvt_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
131{ 128{
132 scr_blank_line (l, 0, ncol, efs); 129 scr_blank_line (l, 0, ncol, efs);
133 130
134 l.l = 0; 131 l.l = 0;
135 l.f = 0; 132 l.f = 0;
136} 133}
137 134
138// nuke a single wide character at the given column 135// nuke a single wide character at the given column
139void 136void
140rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
141{ 138{
142 // find begin 139 // find begin
143 while (col > 0 && l.t[col] == NOCHAR) 140 while (col > 0 && l.t[col] == NOCHAR)
144 col--; 141 col--;
145 142
146 rend_t rend = l.r[col] & ~RS_baseattrMask; 143 rend_t rend = l.r[col] & ~RS_baseattrMask;
147 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
148 147
149 // found start, nuke 148 // found start, nuke
150 do { 149 do {
151 l.t[col] = ' '; 150 l.t[col] = ' ';
152 l.r[col] = rend; 151 l.r[col] = rend;
153 col++; 152 col++;
154 } while (col < ncol && l.t[col] == NOCHAR); 153 } while (col < ncol && l.t[col] == NOCHAR);
155} 154}
156 155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
164}
165
157/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
160 169
161void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
162rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
163{ 216{
217#if ENABLE_OVERLAY
218 scr_overlay_off ();
219#endif
220
164 view_start = 0; 221 view_start = 0;
165 num_scr = 0; 222 num_scr = 0;
166 223
167 if (ncol == 0) 224 if (ncol == 0)
168 ncol = 80; 225 ncol = 80;
… …
188 total_rows = nrow + saveLines; 245 total_rows = nrow + saveLines;
189 246
190 screen.tscroll = 0; 247 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
192 249
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
193 if (!row_buf) 258 if (!prev_row_buf)
194 { 259 {
195 /*
196 * first time called so just malloc everything: don't rely on realloc
197 */
198 top_row = 0; 260 top_row = 0;
199 term_start = 0; 261 term_start = 0;
200
201 talloc = new rxvt_salloc (ncol * sizeof (text_t));
202 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203
204 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207
208 for (int row = nrow; row--; )
209 {
210 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213 }
214 262
215 memset (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
218 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
… …
241 { 289 {
242 /* 290 /*
243 * add or delete rows as appropriate 291 * add or delete rows as appropriate
244 */ 292 */
245 293
246 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); 294 int common_col = min (prev_ncol, ncol);
247 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248 295
249#if 0 296 // resize swap_buf, blank drawn_buf
250 if (nrow < prev_nrow)
251 {
252 for (int row = nrow; row < prev_nrow; row++)
253 {
254 lfree (swap_buf [row]);
255 lfree (drawn_buf[row]);
256 }
257 }
258#endif
259
260 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
261 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262
263 for (int row = min (nrow, prev_nrow); row--; ) 297 for (int row = min (nrow, prev_nrow); row--; )
264 { 298 {
265 lresize (drawn_buf[row]); 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
266 lresize (swap_buf [row]); 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
267 } 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
268 302
269 for (int row = prev_nrow; row < nrow; row++) 303 copy_line (swap_buf [row], prev_swap_buf [row]);
270 { 304 }
271 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
272 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
273 }
274
275 line_t *old_buf = row_buf;
276 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
277 305
278 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
279 int pend = MOD (term_start + top_row , prev_total_rows); 307 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row 308 int q = total_rows; // rewrapped row
281 309
282 if (top_row) 310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
283 { 312 {
284 // 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
285 // to come up with a lean and mean algorithm. 314 // to come up with a lean and mean algorithm.
286 // TODO: maybe optimise when width didn't change 315 // TODO: maybe optimise when width didn't change
287 316
… …
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290 319
291 do 320 do
292 { 321 {
293 p = MOD (p - 1, prev_total_rows); 322 p = MOD (p - 1, prev_total_rows);
294 assert (old_buf [MOD (p, prev_total_rows)].t); 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
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;
… …
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));
… …
358 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
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
364 term_start = total_rows - nrow;
365 top_row = q - term_start;
366
367 // make sure all terminal lines exist
368 while (top_row > 0)
369 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
370 } 392 }
371 else 393 else
394#endif
395 {
396 // wing, instead of wrap
397 screen.cur.row += nrow - prev_nrow;
398
372 { 399 do
373 // if no scrollback exists (yet), wing, instead of wrap
374
375 for (int row = min (nrow, prev_nrow); row--; )
376 { 400 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 401 p = MOD (p - 1, prev_total_rows);
378 line_t &qline = row_buf [row]; 402 q--;
379 403
380 qline = pline; 404 copy_line (row_buf [q], prev_row_buf [p]);
381 lresize (qline);
382 } 405 }
406 while (p != pend && q > 0);
383 407
384 for (int row = prev_nrow; row < nrow; row++)
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 } 408 }
388 409
389 term_start = 0; 410 term_start = total_rows - nrow;
390 } 411 top_row = q - term_start;
391 412
392 free (old_buf); 413 // make sure all terminal lines exist
393 delete old_ta; 414 while (top_row > 0)
394 delete old_ra; 415 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
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
400 free (tabs); 431 free (tabs);
401 tabs = (char *)rxvt_malloc (ncol); 432 tabs = (char *)rxvt_malloc (ncol);
402 433
403 for (int col = ncol; --col; ) 434 for (int col = ncol; col--; )
404 tabs [col] = col % TABSIZE == 0; 435 tabs [col] = col % TABSIZE == 0;
405 436
406 CLEAR_ALL_SELECTION (); 437 CLEAR_ALL_SELECTION ();
407 438
408 prev_nrow = nrow; 439 prev_nrow = nrow;
… …
411 tt_winch (); 442 tt_winch ();
412 443
413 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414} 445}
415 446
416/* ------------------------------------------------------------------------- */ 447void ecb_cold
417/*
418 * Free everything. That way malloc debugging can find leakage.
419 */
420void
421rxvt_term::scr_release () NOTHROW 448rxvt_term::scr_release () noexcept
422{ 449{
423 if (row_buf) 450 chunk_free (chunk, chunk_size);
424 { 451 chunk = 0;
425 delete talloc; talloc = 0; 452 row_buf = 0;
426 delete ralloc; ralloc = 0;
427 453
428 free (row_buf);
429 free (swap_buf);
430 free (drawn_buf);
431 row_buf = 0; // signal that we freed all the arrays above
432
433 free (tabs); 454 free (tabs);
434 tabs = 0; 455 tabs = 0;
435 }
436} 456}
437 457
438/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
439/* 459/*
440 * Hard/Soft reset 460 * Hard/Soft reset
441 */ 461 */
442void 462void ecb_cold
443rxvt_term::scr_poweron () 463rxvt_term::scr_poweron ()
444{ 464{
445 scr_release (); 465 scr_release ();
466
446 prev_nrow = prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
447 rvideo_mode = false; 468 rvideo_mode = false;
448 scr_soft_reset (); 469 scr_soft_reset ();
449 scr_reset (); 470 scr_reset ();
450 471
451 scr_clear (true); 472 scr_clear (true);
452 scr_refresh (); 473 scr_refresh ();
453} 474}
454 475
455void 476void ecb_cold
456rxvt_term::scr_soft_reset () 477rxvt_term::scr_soft_reset () noexcept
457{ 478{
458 /* only affects modes, nothing drastic such as clearing the screen */ 479 /* only affects modes, nothing drastic such as clearing the screen */
459#if ENABLE_OVERLAY 480#if ENABLE_OVERLAY
460 scr_overlay_off (); 481 scr_overlay_off ();
461#endif 482#endif
… …
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)
… …
516 assert (s->cur.row >= 0); 537 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 538 assert (s->cur.col >= 0);
518} 539}
519 540
520void 541void
521rxvt_term::scr_swap_screen () 542rxvt_term::scr_swap_screen () noexcept
522{ 543{
523 if (!option (Opt_secondaryScreen)) 544 if (!option (Opt_secondaryScreen))
524 return; 545 return;
525 546
526 for (int i = prev_nrow; i--; ) 547 for (int i = prev_nrow; i--; )
… …
545 return; 566 return;
546 567
547 want_refresh = 1; 568 want_refresh = 1;
548 view_start = 0; 569 view_start = 0;
549 570
550 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 ();
551 577
552 current_screen = scrn; 578 current_screen = scrn;
553 579
554#if NSCREENS 580#if NSCREENS
555 if (option (Opt_secondaryScreen)) 581 if (option (Opt_secondaryScreen))
… …
569 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
570} 596}
571 597
572// clear WrapNext indicator, solidifying position on next line 598// clear WrapNext indicator, solidifying position on next line
573void 599void
574rxvt_term::scr_do_wrap () NOTHROW 600rxvt_term::scr_do_wrap () noexcept
575{ 601{
576 if (!(screen.flags & Screen_WrapNext)) 602 if (!(screen.flags & Screen_WrapNext))
577 return; 603 return;
578 604
579 screen.flags &= ~Screen_WrapNext; 605 screen.flags &= ~Screen_WrapNext;
… …
589/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
590/* 616/*
591 * Change the colour for following text 617 * Change the colour for following text
592 */ 618 */
593void 619void
594rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
595{ 621{
596 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) 622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
597 color = fgbg; 623 color = fgbg;
598 624
599 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
600 rstyle = SET_FGCOLOR (rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
601 else 627 else
… …
605/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
606/* 632/*
607 * Change the rendition style for following text 633 * Change the rendition style for following text
608 */ 634 */
609void 635void
610rxvt_term::scr_rendition (int set, int style) NOTHROW 636rxvt_term::scr_rendition (int set, int style) noexcept
611{ 637{
612 if (set) 638 if (set)
613 rstyle |= style; 639 rstyle |= style;
614 else if (style == ~RS_None) 640 else if (style == ~RS_None)
615 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
… …
621/* 647/*
622 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
623 * count positive ==> scroll up 649 * count positive ==> scroll up
624 * count negative ==> scroll down 650 * count negative ==> scroll down
625 */ 651 */
626int 652int ecb_hot
627rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
628{ 654{
629 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
630 return 0; 656 return 0;
631 657
632 want_refresh = 1; 658 want_refresh = 1;
… …
634 660
635 if (count > 0 661 if (count > 0
636 && row1 == 0 662 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 { 664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
639 top_row = max (top_row - count, -saveLines); 667 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643 668
644 // sever bottommost line 669 // sever bottommost line
645 { 670 {
646 line_t &l = ROW(row2 - count); 671 line_t &l = ROW(row2);
647 l.is_longer (0); 672 l.is_longer (0);
648 l.touch (); 673 l.touch ();
649 } 674 }
650 675
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
651 // erase newly scrolled-in lines 691 // erase newly scrolled-in lines
652 for (int i = count; i--; ) 692 for (int i = count; i--; )
653 { 693 {
654 line_t &l = ROW(nrow - 1 - i); 694 line_t &l = ROW(row2 - i);
655 695
656 // optimize if already cleared, can be significant on slow machines 696 // optimise if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem 697 // could be rolled into scr_blank_screen_mem
658 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 698 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 { 699 {
660 scr_blank_line (l, 0, l.l, rstyle); 700 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0; 701 l.l = 0;
… …
663 } 703 }
664 else 704 else
665 scr_blank_screen_mem (l, rstyle); 705 scr_blank_screen_mem (l, rstyle);
666 } 706 }
667 707
668 // now copy lines below the scroll region bottom to the
669 // bottom of the screen again, so they look as if they
670 // hadn't moved.
671 for (int i = nrow; --i > row2; )
672 {
673 line_t &l1 = ROW(i - count);
674 line_t &l2 = ROW(i);
675
676 ::swap (l1, l2);
677 l2.touch ();
678 }
679
680 // move and/or clear selection, if any 708 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
710 && selection.beg.row <= row2)
682 { 711 {
683 selection.beg.row -= count; 712 selection.beg.row -= count;
684 selection.end.row -= count; 713 selection.end.row -= count;
685 selection.mark.row -= count; 714 selection.mark.row -= count;
686 715
687 if (selection.beg.row < top_row 716 selection_check (0);
688 || selection.end.row < top_row
689 || selection.mark.row < top_row)
690 {
691 CLEAR_ALL_SELECTION ();
692 selection.op = SELECTION_CLEAR;
693 }
694 } 717 }
695 718
696 // finally move the view window, if desired 719 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 720 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 721 && view_start != 0
699 && view_start != -saveLines) 722 && view_start != -saveLines)
700 scr_page (UP, count); 723 scr_page (count);
701 724
702 if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) 725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
703 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));
704 } 727 }
705 else 728 else
… …
728 } 751 }
729 752
730 // use a simple and robust scrolling algorithm, this 753 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical. 754 // part of scr_scroll_text is not time-critical.
732 755
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
733 int rows = row2 - row1 + 1; 764 int rows = row2 - row1 + 1;
734 765
735 min_it (count, rows); 766 min_it (count, rows);
736 767
737 line_t *temp_buf = row_buf + total_rows; 768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738 769
739 for (int row = 0; row < rows; row++) 770 for (int row = 0; row < rows; row++)
740 { 771 {
741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742 773
… …
744 scr_blank_screen_mem (temp_buf [row], rstyle); 775 scr_blank_screen_mem (temp_buf [row], rstyle);
745 } 776 }
746 777
747 for (int row = 0; row < rows; row++) 778 for (int row = 0; row < rows; row++)
748 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 }
749 } 787 }
750 788
751 return count; 789 return count;
752} 790}
753 791
754/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
755/* 793/*
756 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
757 */ 795 */
758void 796void ecb_hot
759rxvt_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
760{ 798{
761 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
762 return; 800 return;
763 801
764 unsigned char checksel; 802 bool checksel;
765 unicode_t c; 803 unicode_t c;
766 int ncol = this->ncol; 804 int ncol = this->ncol;
767 const wchar_t *strend = str + len; 805 const wchar_t *strend = str + len;
768 806
769 want_refresh = 1; 807 want_refresh = 1;
… …
795 833
796 while (str < strend) 834 while (str < strend)
797 { 835 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 837
800 if (expect_false (c < 0x20)) 838 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 839 if (c == C0_LF)
802 { 840 {
803 max_it (line->l, screen.cur.col); 841 max_it (line->l, screen.cur.col);
804 842
805 screen.flags &= ~Screen_WrapNext; 843 screen.flags &= ~Screen_WrapNext;
… …
824 { 862 {
825 scr_tab (1, true); 863 scr_tab (1, true);
826 continue; 864 continue;
827 } 865 }
828 866
829 if (expect_false ( 867 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 871 ))
834 { 872 {
… …
839 * should be a similar check. 877 * should be a similar check.
840 */ 878 */
841 CLEAR_SELECTION (); 879 CLEAR_SELECTION ();
842 } 880 }
843 881
844 if (expect_false (screen.flags & Screen_WrapNext)) 882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 883 {
846 scr_do_wrap (); 884 scr_do_wrap ();
847 885
848 line->l = ncol; 886 line->l = ncol;
849 line->is_longer (1); 887 line->is_longer (1);
… …
851 row = screen.cur.row; 889 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 890 line = &ROW(row); /* _must_ refresh */
853 } 891 }
854 892
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 895 c = 0xfffd;
858 896
859 // 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
860 // further replacements, as wcwidth might return -1 for the line 898 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 899 // drawing characters below as they might be invalid in the current
862 // locale. 900 // locale.
863 int width = WCWIDTH (c); 901 int width = WCWIDTH (c);
864 902
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 904 {
867 // vt100 special graphics and line drawing 905 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 906 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 907 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 908 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
883 c = vt100_0[c - 0x41]; 921 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 922 width = 1; // vt100 line drawing characters are always single-width
885 } 923 }
886 } 924 }
887 925
888 if (expect_false (screen.flags & Screen_Insert)) 926 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 927 scr_insdel_chars (width, INSERT);
890 928
891 if (width != 0) 929 if (width != 0)
892 { 930 {
893#if !UNICODE_3 931#if !UNICODE_3
… …
898# else 936# else
899 c = 0xfffd; 937 c = 0xfffd;
900# endif 938# endif
901#endif 939#endif
902 940
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
903 // nuke the character at this position, if required 957 // nuke the character at this position, if required
904 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.
905 line->t[screen.cur.col] == NOCHAR 961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
906 || (screen.cur.col < ncol - 1
907 && line->t[screen.cur.col + 1] == NOCHAR)
908 ))
909 scr_kill_char (*line, screen.cur.col); 962 scr_kill_char (*line, screen.cur.col);
910
911 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
912
913 // if the character doesn't fit into the remaining columns...
914 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
915 {
916 // ... artificially enlargen the previous one
917 c = NOCHAR;
918 // and try the same character next loop iteration
919 --str;
920 }
921 963
922 line->touch (); 964 line->touch ();
923 965
924 do 966 do
925 { 967 {
926 line->t[screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
927 line->r[screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
928 970
929 if (expect_true (screen.cur.col < ncol - 1)) 971 if (ecb_likely (screen.cur.col < ncol - 1))
930 screen.cur.col++; 972 screen.cur.col++;
931 else 973 else
932 { 974 {
933 line->l = ncol; 975 line->l = ncol;
934 if (screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
935 screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
936 break; 978
979 goto end_of_line;
937 } 980 }
938 981
939 c = NOCHAR; 982 c = NOCHAR;
940 } 983 }
941 while (expect_false (--width > 0)); 984 while (ecb_unlikely (--width > 0));
942 985
943 // pad with spaces when overwriting wide character with smaller one 986 // pad with spaces when overwriting wide character with smaller one
944 if (expect_false (!width)) 987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
945 { 988 {
946 line->touch ();
947
948 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
949 {
950 line->t[c] = ' '; 989 line->t[c] = ' ';
951 line->r[c] = rend; 990 line->r[c] = rend;
952 }
953 } 991 }
992
993end_of_line:
994 ;
954 } 995 }
955#if ENABLE_COMBINING 996#if ENABLE_COMBINING
956 else // width == 0 997 else // width == 0
957 { 998 {
958 if (c != 0xfeff) // ignore BOM 999 if (c != 0xfeff) // ignore BOM
… …
973 } 1014 }
974 else if (screen.cur.row > 0 1015 else if (screen.cur.row > 0
975 && ROW(screen.cur.row - 1).is_longer ()) 1016 && ROW(screen.cur.row - 1).is_longer ())
976 { 1017 {
977 linep = &ROW(screen.cur.row - 1); 1018 linep = &ROW(screen.cur.row - 1);
978 tp = line->t + ncol - 1; 1019 tp = linep->t + ncol - 1;
979 rp = line->r + ncol - 1; 1020 rp = linep->r + ncol - 1;
980 } 1021 }
981 else 1022 else
982 continue; 1023 continue;
983 1024
984 linep->touch (); 1025 linep->touch ();
… …
1007/* 1048/*
1008 * 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
1009 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
1010 */ 1051 */
1011void 1052void
1012rxvt_term::scr_backspace () NOTHROW 1053rxvt_term::scr_backspace () noexcept
1013{ 1054{
1014 if (screen.cur.col == 0) 1055 if (screen.cur.col == 0)
1015 { 1056 {
1016 if (screen.cur.row > 0) 1057 if (screen.cur.row > 0)
1017 { 1058 {
… …
1021 1062
1022 want_refresh = 1; 1063 want_refresh = 1;
1023#endif 1064#endif
1024 } 1065 }
1025 } 1066 }
1067 else if (screen.flags & Screen_WrapNext)
1068 screen.flags &= ~Screen_WrapNext;
1026 else 1069 else
1027 scr_gotorc (0, -1, RELATIVE); 1070 scr_gotorc (0, -1, RELATIVE);
1028} 1071}
1029 1072
1030/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
… …
1032 * Process Horizontal Tab 1075 * Process Horizontal Tab
1033 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
1034 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
1035 */ 1078 */
1036void 1079void
1037rxvt_term::scr_tab (int count, bool ht) NOTHROW 1080rxvt_term::scr_tab (int count, bool ht) noexcept
1038{ 1081{
1039 int i, x; 1082 int i, x;
1040 1083
1041 want_refresh = 1; 1084 want_refresh = 1;
1042 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
… …
1108 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1109 * 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
1110 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1111 */ 1154 */
1112#if !ENABLE_MINIMAL 1155#if !ENABLE_MINIMAL
1113void 1156void ecb_cold
1114rxvt_term::scr_backindex () NOTHROW 1157rxvt_term::scr_backindex () noexcept
1115{ 1158{
1116 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1117 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1118 else 1161 else
1119 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
… …
1125 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1126 * 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
1127 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1128 */ 1171 */
1129#if !ENABLE_MINIMAL 1172#if !ENABLE_MINIMAL
1130void 1173void ecb_cold
1131rxvt_term::scr_forwardindex () NOTHROW 1174rxvt_term::scr_forwardindex () noexcept
1132{ 1175{
1133 if (screen.cur.col < ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1134 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1135 else 1178 else
1136 { 1179 {
… …
1149/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1150/* 1193/*
1151 * Goto Row/Column 1194 * Goto Row/Column
1152 */ 1195 */
1153void 1196void
1154rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1155{ 1198{
1156 want_refresh = 1; 1199 want_refresh = 1;
1157 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
1158 1201
1159 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
… …
1198/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1199/* 1242/*
1200 * direction should be UP or DN 1243 * direction should be UP or DN
1201 */ 1244 */
1202void 1245void
1203rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1204{ 1247{
1205 int dirn;
1206
1207 want_refresh = 1; 1248 want_refresh = 1;
1208 ZERO_SCROLLBACK (); 1249 ZERO_SCROLLBACK ();
1209 1250
1210 dirn = ((direction == UP) ? 1 : -1);
1211
1212 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1213 1252
1214 if ((screen.cur.row == screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1215 || (screen.cur.row == screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1216 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1217 else 1256 else
1218 screen.cur.row += dirn; 1257 screen.cur.row += direction;
1219 1258
1220 clamp_it (screen.cur.row, 0, nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1221 selection_check (0); 1260 selection_check (0);
1222} 1261}
1223 1262
… …
1228 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1229 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1230 * extension: clear to right unless wrapped: ESC [ 3 K 1269 * extension: clear to right unless wrapped: ESC [ 3 K
1231 */ 1270 */
1232void 1271void
1233rxvt_term::scr_erase_line (int mode) NOTHROW 1272rxvt_term::scr_erase_line (int mode) noexcept
1234{ 1273{
1235 unsigned int col, num; 1274 unsigned int col, num;
1236 1275
1237 want_refresh = 1; 1276 want_refresh = 1;
1238 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
… …
1286 scr_blank_line (line, col, num, rstyle); 1325 scr_blank_line (line, col, num, rstyle);
1287} 1326}
1288 1327
1289/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1290/* 1329/*
1291 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1292 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1293 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1294 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1295 */ 1334 */
1296void 1335void
1297rxvt_term::scr_erase_screen (int mode) NOTHROW 1336rxvt_term::scr_erase_screen (int mode) noexcept
1298{ 1337{
1299 int num; 1338 int num;
1300 int32_t row; 1339 int32_t row;
1301 rend_t ren; 1340 rend_t ren;
1302 XGCValues gcvalue; 1341 XGCValues gcvalue;
… …
1305 ZERO_SCROLLBACK (); 1344 ZERO_SCROLLBACK ();
1306 1345
1307 switch (mode) 1346 switch (mode)
1308 { 1347 {
1309 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1310 selection_check (1);
1311 scr_erase_line (0); 1349 scr_erase_line (0);
1312 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1313 num = nrow - row; 1351 num = nrow - row;
1314 break; 1352 break;
1315 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1316 selection_check (3);
1317 scr_erase_line (1); 1354 scr_erase_line (1);
1318 row = 0; 1355 row = 0;
1319 num = screen.cur.row; 1356 num = screen.cur.row;
1320 break; 1357 break;
1321 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1322 selection_check (3);
1323 row = 0; 1359 row = 0;
1324 num = nrow; 1360 num = nrow;
1325 break; 1361 break;
1326 default: 1362 default:
1327 return; 1363 return;
… …
1336 if (row >= nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1337 return; 1373 return;
1338 1374
1339 min_it (num, nrow - row); 1375 min_it (num, nrow - row);
1340 1376
1341 // TODO: the code below does not work when view_start != 0
1342 // the workaround is to disable the clear and use a normal refresh
1343 // when view_start != 0. mysterious.
1344 if (rstyle & (RS_Blink | RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1345 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1346 else if (GET_BASEBG (rstyle) == Color_bg) 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1347 { 1380 {
1348 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1349 1382
1350 if (mapped && !view_start) 1383 if (mapped)
1351 XClearArea (dpy, vt, 0, 1384 XClearArea (dpy, vt, 0,
1352 Row2Pixel (row - view_start), (unsigned int)width, 1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1353 (unsigned int)Height2Pixel (num), False); 1386 (unsigned int)Height2Pixel (num), False);
1354 } 1387 }
1355 else 1388 else
1356 { 1389 {
1357 ren = rstyle & (RS_fgMask | RS_bgMask); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1358 1391
1359 if (mapped && !view_start) 1392 if (mapped)
1360 { 1393 {
1361 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1362 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1363 XFillRectangle (dpy, vt, gc, 1396 XFillRectangle (dpy, vt, gc,
1364 0, Row2Pixel (row - view_start), 1397 0, Row2Pixel (row - view_start),
1365 (unsigned int)width, 1398 (unsigned int)vt_width,
1366 (unsigned int)Height2Pixel (num)); 1399 (unsigned int)Height2Pixel (num));
1367 gcvalue.foreground = pix_colors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1368 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1369 } 1402 }
1370 } 1403 }
1371 1404
1372 for (; num--; row++) 1405 for (; num--; row++)
1373 { 1406 {
1374 scr_blank_screen_mem (ROW(row), rstyle); 1407 scr_blank_screen_mem (ROW(row), rstyle);
1375 1408
1376 if (!view_start) 1409 if (row - view_start < nrow)
1377 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1378 } 1411 }
1379} 1412}
1380 1413
1381#if !ENABLE_MINIMAL 1414#if !ENABLE_MINIMAL
1382void 1415void
1383rxvt_term::scr_erase_savelines () NOTHROW 1416rxvt_term::scr_erase_savelines () noexcept
1384{ 1417{
1385 want_refresh = 1; 1418 want_refresh = 1;
1386 ZERO_SCROLLBACK (); 1419 ZERO_SCROLLBACK ();
1387 1420
1388 top_row = 0; 1421 top_row = 0;
… …
1392/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1393/* 1426/*
1394 * Fill the screen with `E's 1427 * Fill the screen with `E's
1395 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1396 */ 1429 */
1397void 1430void ecb_cold
1398rxvt_term::scr_E () NOTHROW 1431rxvt_term::scr_E () noexcept
1399{ 1432{
1400 rend_t fs; 1433 rend_t fs;
1401 1434
1402 want_refresh = 1; 1435 want_refresh = 1;
1403 ZERO_SCROLLBACK (); 1436 ZERO_SCROLLBACK ();
1404 1437
1405 num_scr_allow = 0; 1438 num_scr_allow = 0;
1406 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 ();
1407 1444
1408 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1409 for (int row = nrow; row--; ) 1446 for (int row = nrow; row--; )
1410 { 1447 {
1411 line_t &line = ROW(row); 1448 line_t &line = ROW(row);
… …
1424/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1425/* 1462/*
1426 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1427 */ 1464 */
1428void 1465void
1429rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1430{ 1467{
1431 int end; 1468 int end;
1432 1469
1433 ZERO_SCROLLBACK (); 1470 ZERO_SCROLLBACK ();
1434 1471
… …
1454/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1455/* 1492/*
1456 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1457 */ 1494 */
1458void 1495void
1459rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1460{ 1497{
1461 want_refresh = 1; 1498 want_refresh = 1;
1462 ZERO_SCROLLBACK (); 1499 ZERO_SCROLLBACK ();
1463 1500
1464 if (count <= 0) 1501 if (count <= 0)
… …
1562/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1563/* 1600/*
1564 * Set the scrolling region 1601 * Set the scrolling region
1565 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1566 */ 1603 */
1567void 1604void ecb_cold
1568rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1569{ 1606{
1570 max_it (top, 0); 1607 max_it (top, 0);
1571 min_it (bot, nrow - 1); 1608 min_it (bot, nrow - 1);
1572 1609
1573 if (top > bot) 1610 if (top > bot)
… …
1582/* 1619/*
1583 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1584 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1585 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1586 */ 1623 */
1587void 1624void ecb_cold
1588rxvt_term::scr_cursor_visible (int mode) NOTHROW 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1589{ 1626{
1590 want_refresh = 1; 1627 want_refresh = 1;
1591 1628
1592 if (mode) 1629 if (mode)
1593 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
… …
1599/* 1636/*
1600 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1601 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1602 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1603 */ 1640 */
1604void 1641void ecb_cold
1605rxvt_term::scr_autowrap (int mode) NOTHROW 1642rxvt_term::scr_autowrap (int mode) noexcept
1606{ 1643{
1607 if (mode) 1644 if (mode)
1608 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1609 else 1646 else
1610 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1618 * 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
1619 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1620 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1621 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1622 */ 1659 */
1623void 1660void ecb_cold
1624rxvt_term::scr_relative_origin (int mode) NOTHROW 1661rxvt_term::scr_relative_origin (int mode) noexcept
1625{ 1662{
1626 if (mode) 1663 if (mode)
1627 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1628 else 1665 else
1629 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
… …
1635/* 1672/*
1636 * Set insert/replace mode 1673 * Set insert/replace mode
1637 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1638 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1639 */ 1676 */
1640void 1677void ecb_cold
1641rxvt_term::scr_insert_mode (int mode) NOTHROW 1678rxvt_term::scr_insert_mode (int mode) noexcept
1642{ 1679{
1643 if (mode) 1680 if (mode)
1644 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1645 else 1682 else
1646 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
… …
1651 * Set/Unset tabs 1688 * Set/Unset tabs
1652 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1653 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1654 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1655 */ 1692 */
1656void 1693void ecb_cold
1657rxvt_term::scr_set_tab (int mode) NOTHROW 1694rxvt_term::scr_set_tab (int mode) noexcept
1658{ 1695{
1659 if (mode < 0) 1696 if (mode < 0)
1660 memset (tabs, 0, ncol); 1697 memset (tabs, 0, ncol);
1661 else if (screen.cur.col < ncol) 1698 else if (screen.cur.col < ncol)
1662 tabs [screen.cur.col] = !!mode; 1699 tabs [screen.cur.col] = !!mode;
… …
1667 * Set reverse/normal video 1704 * Set reverse/normal video
1668 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1669 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1670 */ 1707 */
1671void 1708void
1672rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1673{ 1710{
1674 rvideo_mode = on; 1711 rvideo_mode = on;
1675 1712
1676#ifndef NO_BELL 1713#ifndef NO_BELL
1677 on ^= rvideo_bell; 1714 on ^= rvideo_bell;
… …
1679 1716
1680 if (rvideo_state != on) 1717 if (rvideo_state != on)
1681 { 1718 {
1682 rvideo_state = on; 1719 rvideo_state = on;
1683 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
1684 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1685#ifdef HAVE_BG_PIXMAP 1730#ifdef HAVE_IMG
1686 if (bgPixmap.pixmap == None) 1731 if (bg_img == 0)
1687#endif 1732#endif
1688 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1689 1734
1690 XGCValues gcvalue; 1735 XGCValues gcvalue;
1691 gcvalue.foreground = pix_colors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
… …
1700/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1701/* 1746/*
1702 * Report current cursor position 1747 * Report current cursor position
1703 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1704 */ 1749 */
1705void 1750void ecb_cold
1706rxvt_term::scr_report_position () NOTHROW 1751rxvt_term::scr_report_position () noexcept
1707{ 1752{
1708 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);
1709} 1754}
1710 1755
1711/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
… …
1713 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1714 1759
1715/* 1760/*
1716 * Set font style 1761 * Set font style
1717 */ 1762 */
1718void 1763void ecb_cold
1719rxvt_term::set_font_style () NOTHROW 1764rxvt_term::set_font_style () noexcept
1720{ 1765{
1721#if 0 1766#if 0
1722 switch (charsets [screen.charset]) 1767 switch (charsets [screen.charset])
1723 { 1768 {
1724 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
… …
1745 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1746 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1747 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1748 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1749 */ 1794 */
1750void 1795void ecb_cold
1751rxvt_term::scr_charset_choose (int set) NOTHROW 1796rxvt_term::scr_charset_choose (int set) noexcept
1752{ 1797{
1753 screen.charset = set; 1798 screen.charset = set;
1754 set_font_style (); 1799 set_font_style ();
1755} 1800}
1756 1801
… …
1762 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1763 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1764 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1765 */ 1810 */
1766void 1811void
1767rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1768{ 1813{
1769 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1770 set_font_style (); 1815 set_font_style ();
1771} 1816}
1772 1817
… …
1776 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1777 1822
1778/* 1823/*
1779 * refresh matching text. 1824 * refresh matching text.
1780 */ 1825 */
1781bool 1826bool ecb_cold
1782rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1783{ 1828{
1784 bool found = false; 1829 bool found = false;
1785 1830
1786 for (int i = 0; i < nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1787 { 1832 {
… …
1805 PART_BEG = 0, 1850 PART_BEG = 0,
1806 PART_END, 1851 PART_END,
1807 RC_COUNT 1852 RC_COUNT
1808}; 1853};
1809 1854
1810void 1855void ecb_hot
1811rxvt_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
1812{ 1857{
1813 int i; 1858 int i;
1814 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1815 1860
1816 if (!drawn_buf) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
… …
1850/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1851/* 1896/*
1852 * Refresh the entire screen 1897 * Refresh the entire screen
1853 */ 1898 */
1854void 1899void
1855rxvt_term::scr_touch (bool refresh) NOTHROW 1900rxvt_term::scr_touch (bool refresh) noexcept
1856{ 1901{
1857 scr_expose (0, 0, width, height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1858} 1903}
1859 1904
1860/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1861/* 1906/*
1862 * 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
1863 * the top of the screen 1908 * the top of the screen
1864 */ 1909 */
1865void 1910void
1866rxvt_term::scr_move_to (int y, int len) NOTHROW 1911rxvt_term::scr_move_to (int y, int len) noexcept
1867{ 1912{
1868 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);
1869} 1915}
1870 1916
1871/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1872/* 1918/*
1873 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1874 * direction should be UP or DN 1920 * direction should be UP or DN
1875 */ 1921 */
1876bool 1922bool
1877rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1923rxvt_term::scr_page (int nlines) noexcept
1878{ 1924{
1879 int new_view_start =
1880 direction == UP ? view_start - nlines
1881 : view_start + nlines;
1882
1883 return scr_changeview (new_view_start); 1925 return scr_changeview (view_start - nlines);
1884} 1926}
1885 1927
1886bool 1928bool
1887rxvt_term::scr_changeview (int new_view_start) NOTHROW 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1888{ 1930{
1889 clamp_it (new_view_start, top_row, 0); 1931 clamp_it (new_view_start, top_row, 0);
1890 1932
1891 if (new_view_start == view_start) 1933 if (new_view_start == view_start)
1892 return false; 1934 return false;
… …
1910} 1952}
1911#endif 1953#endif
1912 1954
1913/* ------------------------------------------------------------------------- */ 1955/* ------------------------------------------------------------------------- */
1914void 1956void
1915rxvt_term::scr_bell () NOTHROW 1957rxvt_term::scr_bell () noexcept
1916{ 1958{
1917#ifndef NO_BELL 1959#ifndef NO_BELL
1918 1960
1919# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1920# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1921 if (option (Opt_mapAlert)) 1963 if (option (Opt_mapAlert))
1922# endif 1964# endif
1923 XMapWindow (dpy, parent[0]); 1965 XMapWindow (dpy, parent);
1924# endif 1966# endif
1925 1967
1926# if ENABLE_FRILLS 1968# if ENABLE_FRILLS
1927 if (option (Opt_urgentOnBell)) 1969 if (option (Opt_urgentOnBell))
1928 set_urgency (1); 1970 set_urgency (1);
… …
1941 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1942#endif 1984#endif
1943} 1985}
1944 1986
1945/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1946/* ARGSUSED */ 1988void ecb_cold
1947void
1948rxvt_term::scr_printscreen (int fullhist) NOTHROW 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1949{ 1990{
1950#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1951 int nrows, row_start; 1992 int nrows, row_start;
1952 FILE *fd = popen_printer (); 1993 FILE *fd = popen_printer ();
1953 1994
… …
2001/* 2042/*
2002 * Refresh the screen 2043 * Refresh the screen
2003 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
2004 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
2005 */ 2046 */
2006void 2047void ecb_hot
2007rxvt_term::scr_refresh () NOTHROW 2048rxvt_term::scr_refresh () noexcept
2008{ 2049{
2009 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
2010 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
2011 int i; /* tmp */ 2052 int i; /* tmp */
2012#ifndef NO_CURSORCOLOR
2013 rend_t cc1; /* store colours at cursor position (s) */
2014#endif
2015 rend_t *crp; // cursor rendition pointer
2016 rend_t ccol1, /* Cursor colour */ 2053 rend_t ccol1, /* Cursor colour */
2017 ccol2; /* Cursor colour2 */ 2054 ccol2; /* Cursor colour2 */
2055 rend_t cur_rend;
2056 int cur_col;
2057 int cursorwidth;
2018 2058
2019 want_refresh = 0; /* screen is current */ 2059 want_refresh = 0; /* screen is current */
2020 2060
2021 if (refresh_type == NO_REFRESH || !mapped) 2061 if (refresh_type == NO_REFRESH || !mapped)
2022 return; 2062 return;
… …
2025 * A: set up vars 2065 * A: set up vars
2026 */ 2066 */
2027 refresh_count = 0; 2067 refresh_count = 0;
2028 2068
2029 unsigned int old_screen_flags = screen.flags; 2069 unsigned int old_screen_flags = screen.flags;
2030 char have_bg = 0; 2070 bool have_bg = 0;
2031#ifdef HAVE_BG_PIXMAP 2071#ifdef HAVE_IMG
2032 have_bg = bgPixmap.pixmap != None; 2072 have_bg = bg_img != 0;
2033#endif 2073#endif
2034 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2035 2075
2036 /* 2076 /*
2037 * B: reverse any characters which are selected 2077 * B: reverse any characters which are selected
… …
2041 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2081 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2042#if ENABLE_OVERLAY 2082#if ENABLE_OVERLAY
2043 scr_swap_overlay (); 2083 scr_swap_overlay ();
2044#endif 2084#endif
2045 2085
2046 char showcursor = screen.flags & Screen_VisibleCursor; 2086 bool showcursor = screen.flags & Screen_VisibleCursor;
2047 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#ifdef CURSOR_BLINK 2092#ifdef CURSOR_BLINK
2055 if (hidden_cursor) 2093 if (hidden_cursor)
2056 showcursor = 0; 2094 showcursor = 0;
2057#endif 2095#endif
2058 2096
… …
2061 int col = screen.cur.col; 2099 int col = screen.cur.col;
2062 2100
2063 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2064 col--; 2102 col--;
2065 2103
2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2108
2066 crp = &ROW(screen.cur.row).r[col]; 2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2067 2111
2068#ifndef NO_CURSORCOLOR 2112#ifndef NO_CURSORCOLOR
2069 cc1 = *crp & (RS_fgMask | RS_bgMask);
2070 if (ISSET_PIXCOLOR (Color_cursor)) 2113 if (ISSET_PIXCOLOR (Color_cursor))
2071 ccol1 = Color_cursor; 2114 ccol1 = Color_cursor;
2072 else 2115 else
2073#endif 2116#endif
2074#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
… …
2086 ccol2 = bgcolor_of (rstyle); 2129 ccol2 = bgcolor_of (rstyle);
2087#else 2130#else
2088 ccol2 = Color_bg; 2131 ccol2 = Color_bg;
2089#endif 2132#endif
2090 2133
2091 if (focus) 2134 if (focus && cursor_type == 0)
2092 { 2135 {
2093 if (option (Opt_cursorUnderline)) 2136 rend_t rend = cur_rend;
2094 *crp ^= RS_Uline; 2137
2095 else
2096 {
2097 *crp ^= RS_RVid; 2138 rend ^= RS_RVid;
2098 *crp = SET_FGCOLOR (*crp, ccol1); 2139 rend = SET_FGCOLOR (rend, ccol1);
2099 *crp = SET_BGCOLOR (*crp, ccol2); 2140 rend = SET_BGCOLOR (rend, ccol2);
2100 } 2141
2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2101 } 2143 }
2102 } 2144 }
2103 2145
2104 /* make sure no outline cursor is left around */ 2146 /* make sure no outline cursor is left around */
2105 setoldcursor = 0; 2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2106 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)
2107 { 2155 {
2108 if (screen.cur.row - view_start != ocrow 2156 oldcursor.row = screen.cur.row - view_start;
2109 || screen.cur.col != oldcursor.col) 2157 oldcursor.col = screen.cur.col;
2110 {
2111 if (ocrow < nrow
2112 && oldcursor.col < ncol)
2113 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2114
2115 if (focus || !showcursor)
2116 oldcursor.row = -1;
2117 else
2118 setoldcursor = 1;
2119 }
2120 } 2158 }
2121 else if (!focus) 2159 else
2122 setoldcursor = 1;
2123
2124 if (setoldcursor)
2125 {
2126 if (screen.cur.row - view_start >= nrow)
2127 oldcursor.row = -1; 2160 oldcursor.row = -1;
2128 else
2129 {
2130 oldcursor.row = screen.cur.row - view_start;
2131 oldcursor.col = screen.cur.col;
2132 }
2133 }
2134 } 2161 }
2135 2162
2136#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
2137 /* 2164 /*
2138 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
… …
2144 { 2171 {
2145 int16_t nits; 2172 int16_t nits;
2146 int i = num_scr; 2173 int i = num_scr;
2147 int j; 2174 int j;
2148 int len, wlen; 2175 int len, wlen;
2149 dLocal (int, num_scr);
2150 2176
2151 j = nrow; 2177 j = nrow;
2152 wlen = len = -1; 2178 wlen = len = -1;
2153 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2154 2180
… …
2220 int ypixel = (int)Row2Pixel (row); 2246 int ypixel = (int)Row2Pixel (row);
2221 2247
2222 for (col = 0; col < ncol; col++) 2248 for (col = 0; col < ncol; col++)
2223 { 2249 {
2224 /* compare new text with old - if exactly the same then continue */ 2250 /* compare new text with old - if exactly the same then continue */
2225 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2226 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2227 || (stp[col] == ' ' /* space w/ no background change */
2228 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2229 continue; 2252 continue;
2230 2253
2231 // redraw one or more characters 2254 // redraw one or more characters
2232 2255
2233 // seek to the beginning of wide characters 2256 // seek to the beginning of wide characters
2234 while (expect_false (stp[col] == NOCHAR && col > 0)) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2235 --col; 2258 --col;
2236 2259
2237 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2238 text_t *text = stp + col; 2261 text_t *text = stp + col;
2239 int count = 1; 2262 int count = 1;
… …
2277 2300
2278 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2279 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2280 2303
2281 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2282 while (expect_false (i && text[count] == NOCHAR)) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2283 count++, i--; 2306 count++, i--;
2284 2307
2285 /* 2308 /*
2286 * Determine the attributes for the string 2309 * Determine the attributes for the string
2287 */ 2310 */
2288 int fore = fgcolor_of (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2289 int back = bgcolor_of (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2290 2313
2291 // 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
2292 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2293 { 2316 {
2294 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2295 2318
2296#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2297 if (rend & RS_Bold && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
… …
2386 /* 2409 /*
2387 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2388 */ 2411 */
2389 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2390 2413
2391 if (expect_true (have_bg && back == Color_bg)) 2414 if (ecb_likely (have_bg && back == Color_bg))
2392 { 2415 {
2393 // this is very ugly, maybe push it into ->draw? 2416 // this is very ugly, maybe push it into ->draw?
2394 2417
2395 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2396 if (text[i] != ' ') 2419 if (text[i] != ' ')
… …
2403 did_clear: ; 2426 did_clear: ;
2404 } 2427 }
2405 else 2428 else
2406 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2407 2430
2408 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2409 { 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
2410#if ENABLE_FRILLS 2437#if ENABLE_FRILLS
2411 if (ISSET_PIXCOLOR (Color_underline)) 2438 if (ISSET_PIXCOLOR (Color_underline))
2412 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2413 else 2440 else
2414#endif 2441#endif
… …
2426 */ 2453 */
2427 if (showcursor) 2454 if (showcursor)
2428 { 2455 {
2429 if (focus) 2456 if (focus)
2430 { 2457 {
2431 if (option (Opt_cursorUnderline)) 2458 if (cursor_type == 0)
2432 *crp ^= RS_Uline; 2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2433 else 2460 else if (oldcursor.row >= 0)
2434 { 2461 {
2435 *crp ^= RS_RVid; 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2436#ifndef NO_CURSORCOLOR 2463 if (cursor_type == 1)
2437 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2464 XFillRectangle (dpy, vt, gc,
2438#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));
2439 } 2475 }
2440 } 2476 }
2441 else if (oldcursor.row >= 0) 2477 else if (oldcursor.row >= 0)
2442 { 2478 {
2443 int cursorwidth = 1;
2444 int col = oldcursor.col;
2445
2446 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2447 col--;
2448
2449 while (col + cursorwidth < ncol
2450 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2451 cursorwidth++;
2452
2453#ifndef NO_CURSORCOLOR
2454 if (ISSET_PIXCOLOR (Color_cursor))
2455 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2456 else
2457#endif
2458 XSetForeground (dpy, gc, pix_colors[ccol1]); 2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2459 2480
2460 XDrawRectangle (dpy, vt, gc, 2481 XDrawRectangle (dpy, vt, gc,
2461 Col2Pixel (col), 2482 Col2Pixel (cur_col),
2462 Row2Pixel (oldcursor.row), 2483 Row2Pixel (oldcursor.row),
2463 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2464 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2485 (unsigned int) (Height2Pixel (1) - 1));
2465 } 2486 }
2466 } 2487 }
2467 2488
2468 /* 2489 /*
2469 * H: cleanup selection 2490 * H: cleanup selection
… …
2478 screen.flags = old_screen_flags; 2499 screen.flags = old_screen_flags;
2479 num_scr = 0; 2500 num_scr = 0;
2480 num_scr_allow = 1; 2501 num_scr_allow = 1;
2481} 2502}
2482 2503
2483void 2504void ecb_cold
2484rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2485{ 2506{
2486 if (!l.t) 2507 if (!l.valid ())
2487 return; 2508 return;
2488 2509
2489 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
2490 2511
2491 for (int i = ncol; i--; ) 2512 for (int i = ncol; i--; )
2492 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]));
2493} 2514}
2494 2515
2495void 2516void ecb_cold
2496rxvt_term::scr_remap_chars () NOTHROW 2517rxvt_term::scr_remap_chars () noexcept
2497{ 2518{
2498 for (int i = total_rows; i--; ) 2519 for (int i = total_rows; i--; )
2499 scr_remap_chars (row_buf [i]); 2520 scr_remap_chars (row_buf [i]);
2500 2521
2501 for (int i = nrow; i--; ) 2522 for (int i = nrow; i--; )
… …
2503 scr_remap_chars (drawn_buf [i]); 2524 scr_remap_chars (drawn_buf [i]);
2504 scr_remap_chars (swap_buf [i]); 2525 scr_remap_chars (swap_buf [i]);
2505 } 2526 }
2506} 2527}
2507 2528
2508void 2529void ecb_cold
2509rxvt_term::scr_recolour () NOTHROW 2530rxvt_term::scr_recolor (bool refresh) noexcept
2510{ 2531{
2511#ifdef HAVE_BG_PIXMAP 2532 bool transparent = false;
2512 bgPixmap.apply ();
2513#else
2514 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 {
2515 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2516 XClearWindow (dpy, parent[0]);
2517 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2557 }
2518 2558
2519 if (scrollBar.win) 2559 XClearWindow (dpy, parent);
2560
2561 if (scrollBar.state && scrollBar.win)
2520 { 2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2521 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2522 scrollBar.state = STATE_IDLE; 2567 scrollBar.state = SB_STATE_IDLE;
2523 scrollBar.show (0); 2568 scrollBar.show (0);
2524 } 2569 }
2525 2570
2526#endif 2571 if (refresh)
2527 2572 {
2528 /* bgPixmap.apply () does not do the following : */
2529 scr_clear (); 2573 scr_clear ();
2530 scr_touch (true); 2574 scr_touch (true);
2575 }
2531 want_refresh = 1; 2576 want_refresh = 1;
2532} 2577}
2533 2578
2534/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2535void 2580void
2536rxvt_term::scr_clear (bool really) NOTHROW 2581rxvt_term::scr_clear (bool really) noexcept
2537{ 2582{
2538 if (!mapped) 2583 if (!mapped)
2539 return; 2584 return;
2540 2585
2541 num_scr_allow = 0; 2586 num_scr_allow = 0;
… …
2544 if (really) 2589 if (really)
2545 XClearWindow (dpy, vt); 2590 XClearWindow (dpy, vt);
2546} 2591}
2547 2592
2548void 2593void
2549rxvt_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
2550{ 2595{
2551 int view_end = view_start + nrow; 2596 int view_end = view_start + nrow;
2552 int row, col; 2597 int row, col;
2553 2598
2554 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++)
… …
2566 srp[col] ^= rstyle2; 2611 srp[col] ^= rstyle2;
2567 } 2612 }
2568} 2613}
2569 2614
2570void 2615void
2571rxvt_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
2572{ 2617{
2573 int view_end = view_start + nrow; 2618 int view_end = view_start + nrow;
2574 int row, col; 2619 int row, col;
2575 2620
2576 if (beg_row >= view_start) 2621 if (beg_row >= view_start)
… …
2592 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2593 srp[col] ^= rstyle; 2638 srp[col] ^= rstyle;
2594} 2639}
2595 2640
2596/* ------------------------------------------------------------------------- */ 2641/* ------------------------------------------------------------------------- */
2597void 2642void ecb_hot
2598rxvt_term::scr_reverse_selection () NOTHROW 2643rxvt_term::scr_reverse_selection () noexcept
2599{ 2644{
2600 if (selection.op 2645 if (selection.op
2601 && current_screen == selection.screen 2646 && current_screen == selection.screen
2602 && selection.end.row >= view_start) 2647 && selection.end.row >= view_start)
2603 { 2648 {
… …
2619 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2620 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2621 */ 2666 */
2622#if 0 2667#if 0
2623void 2668void
2624rxvt_term::scr_dump (int fd) NOTHROW 2669rxvt_term::scr_dump (int fd) noexcept
2625{ 2670{
2626 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2627 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2628 char r1[] = "\n";
2629
2630 for (row = saveLines + top_row;
2631 row < saveLines + nrow - 1; row++)
2632 {
2633 width = row_buf[row].l >= 0 ? row_buf[row].l
2634 : ncol;
2635 for (towrite = width; towrite; towrite -= wrote)
2636 {
2637 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2638 towrite);
2639 if (wrote < 0)
2640 return; /* XXX: death, no report */
2641 }
2642 if (row_buf[row].l >= 0)
2643 if (write (fd, r1, 1) <= 0)
2644 return; /* XXX: death, no report */
2645 }
2646} 2673}
2647#endif 2674#endif
2648 2675
2649/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2650 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2651 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2652void 2679void
2653rxvt_term::selection_check (int check_more) NOTHROW 2680rxvt_term::selection_check (int check_more) noexcept
2654{ 2681{
2655 row_col_t pos;
2656
2657 if (!selection.op) 2682 if (!selection.op)
2658 return; 2683 return;
2659 2684
2660 pos.row = pos.col = 0;
2661 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2662 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2663 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2664 || (check_more == 1 2688 || (check_more == 1
2665 && current_screen == selection.screen 2689 && current_screen == selection.screen
2666 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2667 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2668 || (check_more == 2
2669 && ROWCOL_IS_BEFORE (selection.beg, pos)
2670 && ROWCOL_IS_AFTER (selection.end, pos))
2671 || (check_more == 3
2672 && ROWCOL_IS_AFTER (selection.end, pos))
2673 || (check_more == 4 /* screen width change */
2674 && (selection.beg.row != selection.end.row
2675 || selection.end.col > ncol)))
2676 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;
2677} 2707}
2678 2708
2679/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2680/* 2710/*
2681 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2682 */ 2712 */
2683void 2713void
2684rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2685{ 2715{
2686 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2687 for (unsigned int i = 0; i < len; i++) 2717 for (unsigned int i = 0; i < len; i++)
2688 if (data[i] == C0_LF) 2718 if (data[i] == C0_LF)
2689 data[i] = C0_CR; 2719 data[i] = C0_CR;
2690 2720
2691 if (priv_modes & PrivMode_BracketPaste) 2721 #if ENABLE_FRILLS
2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2692 tt_printf ("\e[200~"); 2723 tt_printf ("\x1b[200~");
2724 #endif
2693 2725
2694 tt_write (data, len); 2726 tt_write (data, len);
2695 2727
2696 if (priv_modes & PrivMode_BracketPaste) 2728 #if ENABLE_FRILLS
2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2697 tt_printf ("\e[201~"); 2730 tt_printf ("\x1b[201~");
2731 #endif
2698} 2732}
2699 2733
2700void 2734void
2701rxvt_term::paste (char *data, unsigned int len) NOTHROW 2735rxvt_term::paste (char *data, unsigned int len) noexcept
2702{ 2736{
2703 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END))) 2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2704 return; 2738 return;
2705 2739
2706 tt_paste (data, len); 2740 tt_paste (data, len);
2707} 2741}
2708 2742
2709/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2710/* 2744/*
2711 * Respond to a notification that a primary selection has been sent 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2712 * EXT: SelectionNotify 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2713 */ 2747 * as fallback
2714void
2715rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2716{
2717 if (prop == None) /* check for failed XConvertSelection */
2718 {
2719 if ((selection_type & Sel_CompoundText))
2720 {
2721 int selnum = selection_type & Sel_whereMask;
2722
2723 selection_type = 0;
2724 if (selnum != Sel_direct)
2725 selection_request_other (XA_STRING, selnum);
2726 }
2727
2728 if ((selection_type & Sel_UTF8String))
2729 {
2730 int selnum = selection_type & Sel_whereMask;
2731
2732 selection_type = Sel_CompoundText;
2733 if (selnum != Sel_direct)
2734 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2735 else
2736 selection_type = 0;
2737 }
2738
2739 return;
2740 }
2741
2742 unsigned long bytes_after;
2743 XTextProperty ct;
2744
2745 if (XGetWindowProperty (dpy, win, prop,
2746 0, PROP_SIZE / 4,
2747 delete_prop, AnyPropertyType,
2748 &ct.encoding, &ct.format,
2749 &ct.nitems, &bytes_after,
2750 &ct.value) != Success)
2751 {
2752 ct.value = 0;
2753 goto bailout;
2754 }
2755
2756 if (ct.encoding == None)
2757 goto bailout;
2758
2759 if (bytes_after)
2760 {
2761 // fetch and append remaining data
2762 XTextProperty ct2;
2763
2764 if (XGetWindowProperty (dpy, win, prop,
2765 ct.nitems / 4, (bytes_after + 3) / 4,
2766 delete_prop, AnyPropertyType,
2767 &ct2.encoding, &ct2.format,
2768 &ct2.nitems, &bytes_after,
2769 &ct2.value) != Success)
2770 goto bailout;
2771
2772 // realloc should be compatible to XFree, here, and elsewhere, too
2773 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2774 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2775 ct.nitems += ct2.nitems;
2776
2777 XFree (ct2.value);
2778 }
2779
2780 if (ct.value == 0)
2781 goto bailout;
2782
2783 if (ct.encoding == xa[XA_INCR])
2784 {
2785 // INCR selection, start handshake
2786 if (!delete_prop)
2787 XDeleteProperty (dpy, win, prop);
2788
2789 selection_wait = Sel_incr;
2790 incr_buf_fill = 0;
2791 incr_ev.start (10);
2792
2793 goto bailout;
2794 }
2795
2796 if (ct.nitems == 0)
2797 {
2798 if (selection_wait == Sel_incr)
2799 {
2800 XFree (ct.value);
2801
2802 // finally complete, now paste the whole thing
2803 selection_wait = Sel_normal;
2804 ct.value = (unsigned char *)incr_buf;
2805 ct.nitems = incr_buf_fill;
2806 incr_buf = 0;
2807 incr_buf_size = 0;
2808 incr_ev.stop ();
2809 }
2810 else
2811 {
2812 if (selection_wait == Sel_normal
2813 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2814 {
2815 /*
2816 * pass through again trying CUT_BUFFER0 if we've come from
2817 * XConvertSelection () but nothing was presented
2818 */
2819 selection_paste (display->root, XA_CUT_BUFFER0, False);
2820 }
2821
2822 goto bailout;
2823 }
2824 }
2825 else if (selection_wait == Sel_incr)
2826 {
2827 incr_ev.start (10);
2828
2829 while (incr_buf_fill + ct.nitems > incr_buf_size)
2830 {
2831 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2832 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2833 }
2834
2835 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2836 incr_buf_fill += ct.nitems;
2837
2838 goto bailout;
2839 }
2840
2841 char **cl;
2842 int cr;
2843
2844#if !ENABLE_MINIMAL
2845 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2846 // so recode it manually
2847 if (ct.encoding == xa[XA_UTF8_STRING])
2848 {
2849 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2850 char *s = rxvt_wcstombs (w);
2851 free (w);
2852 // TODO: strlen == only the first element will be converted. well...
2853 paste (s, strlen (s));
2854 free (s);
2855 }
2856 else
2857#endif
2858 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2859 && cl)
2860 {
2861 for (int i = 0; i < cr; i++)
2862 paste (cl[i], strlen (cl[i]));
2863
2864 XFreeStringList (cl);
2865 }
2866 else
2867 paste ((char *)ct.value, ct.nitems); // paste raw
2868
2869bailout:
2870 XFree (ct.value);
2871
2872 if (selection_wait == Sel_normal)
2873 selection_wait = Sel_none;
2874}
2875
2876void
2877rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2878{
2879 selection_wait = Sel_none;
2880
2881 incr_buf_size = 0;
2882 free (incr_buf);
2883
2884 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2885}
2886
2887void
2888rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2889{
2890 if (prop == None || selection_wait != Sel_incr)
2891 return;
2892
2893 selection_paste (win, prop, true);
2894}
2895
2896/* ------------------------------------------------------------------------- */
2897/*
2898 * Request the current selection:
2899 * Order: > internal selection if available
2900 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2901 * > CUT_BUFFER0
2902 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2903 * will auto fallback to CUT_BUFFER0
2904 * EXT: button 2 release 2748 * EXT: button 2 release
2905 */ 2749 */
2906void 2750void
2907rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2908{ 2752{
2909 if (selection.text && selnum == Sel_Primary) 2753 if (!selection_req)
2910 {
2911 /* internal selection */
2912 char *str = rxvt_wcstombs (selection.text, selection.len);
2913 paste (str, strlen (str));
2914 free (str);
2915 return;
2916 } 2754 {
2917 else 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2756 selection_req->run ();
2918 { 2757 }
2919 selection_request_time = tm;
2920 selection_wait = Sel_normal;
2921
2922#if X_HAVE_UTF8_STRING
2923 selection_type = Sel_UTF8String;
2924 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2925 return;
2926#else
2927 selection_type = Sel_CompoundText;
2928 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2929 return;
2930#endif
2931 }
2932
2933 selection_wait = Sel_none; /* don't loop in selection_paste () */
2934 selection_paste (display->root, XA_CUT_BUFFER0, false);
2935}
2936
2937int
2938rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2939{
2940 Atom sel;
2941
2942 selection_type |= selnum;
2943
2944 if (selnum == Sel_Primary)
2945 sel = XA_PRIMARY;
2946 else if (selnum == Sel_Secondary)
2947 sel = XA_SECONDARY;
2948 else
2949 sel = xa[XA_CLIPBOARD];
2950
2951 if (XGetSelectionOwner (dpy, sel) != None)
2952 {
2953 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2954 vt, selection_request_time);
2955 return 1;
2956 }
2957
2958 return 0;
2959} 2758}
2960 2759
2961/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2962/* 2761/*
2963 * Clear all selected text 2762 * Clear all selected text
2964 * EXT: SelectionClear 2763 * EXT: SelectionClear
2965 */ 2764 */
2966void 2765void
2967rxvt_term::selection_clear (bool clipboard) NOTHROW 2766rxvt_term::selection_clear (bool clipboard) noexcept
2968{ 2767{
2969 if (!clipboard) 2768 if (!clipboard)
2970 { 2769 {
2971 want_refresh = 1; 2770 want_refresh = 1;
2972 free (selection.text); 2771 free (selection.text);
… …
2994 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2995 */ 2794 */
2996void 2795void
2997rxvt_term::selection_make (Time tm) 2796rxvt_term::selection_make (Time tm)
2998{ 2797{
2999 int i; 2798 int size;
3000 wchar_t *new_selection_text; 2799 wchar_t *new_selection_text;
3001 text_t *t; 2800 text_t *t;
3002 2801
3003 switch (selection.op) 2802 switch (selection.op)
3004 { 2803 {
… …
3020 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
3021 2820
3022 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)))
3023 return; 2822 return;
3024 2823
3025 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3026 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));
3027 2826
3028 int ofs = 0; 2827 int ofs = 0;
3029 int extra = 0; 2828 int extra = 0;
3030 2829
3031 int col = selection.beg.col; 2830 int col = selection.beg.col;
… …
3037 { 2836 {
3038#if !ENABLE_MINIMAL 2837#if !ENABLE_MINIMAL
3039 if (selection.rect) 2838 if (selection.rect)
3040 { 2839 {
3041 col = selection.beg.col; 2840 col = selection.beg.col;
3042 end_col = ncol + 1; 2841 end_col = selection.end.col;
3043 } 2842 }
3044 else 2843 else
3045#endif 2844#endif
3046 end_col = ROW(row).l; 2845 end_col = ROW(row).l;
3047 2846
3048 col = max (col, 0); 2847 col = max (col, 0);
3049 2848
3050 if (row == selection.end.row 2849 if (row == selection.end.row)
3051#if !ENABLE_MINIMAL
3052 || selection.rect
3053#endif
3054 )
3055 min_it (end_col, selection.end.col); 2850 min_it (end_col, selection.end.col);
3056 2851
3057 t = ROW(row).t + col; 2852 t = ROW(row).t + col;
3058 2853
3059 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
… …
3061 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
3062 t++; 2857 t++;
3063#if ENABLE_COMBINING 2858#if ENABLE_COMBINING
3064 else if (IS_COMPOSE (*t)) 2859 else if (IS_COMPOSE (*t))
3065 { 2860 {
3066 int len = rxvt_composite.expand (*t, 0); 2861 int len = rxvt_composite.expand (*t);
3067 2862
3068 extra -= (len - 1); 2863 extra -= (len - 1);
3069 2864
3070 if (extra < 0) 2865 if (extra < 0)
3071 { 2866 {
3072 extra += i; 2867 extra += size;
3073 i += i; 2868 size += size;
3074 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));
3075 } 2870 }
3076 2871
3077 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3078 } 2873 }
3079#endif 2874#endif
… …
3091 2886
3092 new_selection_text[ofs++] = C0_LF; 2887 new_selection_text[ofs++] = C0_LF;
3093 } 2888 }
3094 else 2889 else
3095#endif 2890#endif
3096 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))
3097 new_selection_text[ofs++] = C0_LF; 2894 new_selection_text[ofs++] = C0_LF;
3098 } 2895 }
3099
3100 if (end_col != selection.end.col)
3101 new_selection_text[ofs++] = C0_LF;
3102 2896
3103 new_selection_text[ofs] = 0; 2897 new_selection_text[ofs] = 0;
3104 2898
3105 if (ofs == 0) 2899 if (ofs == 0)
3106 { 2900 {
… …
3119 2913
3120 selection_grab (tm); 2914 selection_grab (tm);
3121} 2915}
3122 2916
3123bool 2917bool
3124rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW 2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
3125{ 2919{
3126 Atom sel; 2920 Atom sel;
3127 2921
3128 if (!clipboard) 2922 if (!clipboard)
3129 { 2923 {
… …
3162/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
3163/* 2957/*
3164 * 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
3165 * EXT: button 1 press 2959 * EXT: button 1 press
3166 */ 2960 */
3167void 2961void ecb_cold
3168rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
3169{ 2963{
3170 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
3171 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
3172 2966
3173 if (clicks == 2 && !selection.rect 2967 if (clicks == 2 && !selection.rect
… …
3191 2985
3192/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
3193/* 2987/*
3194 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
3195 */ 2989 */
3196void 2990void ecb_cold
3197rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
3198{ 2992{
3199 want_refresh = 1; 2993 want_refresh = 1;
3200 2994
3201 selection.mark.row = row + view_start; 2995 selection.mark.row = row + view_start;
3202 selection.mark.col = col; 2996 selection.mark.col = col;
… …
3224 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
3225 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
3226 */ 3020 */
3227 3021
3228/* 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 */
3229#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
3230 (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)))
3231#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
3232 3026
3233void 3027void ecb_cold
3234rxvt_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
3235{ 3029{
3236 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
3237 row_col_t bound; 3031 row_col_t bound;
3238 text_t *stp; 3032 text_t *stp;
3239 rend_t *srp; 3033 rend_t *srp;
… …
3312 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
3313 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
3314 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
3315 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
3316 */ 3110 */
3317void 3111void ecb_cold
3318rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
3319{ 3113{
3320 int col = clamp (Pixel2Col (x), 0, ncol); 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3321 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3322 3116
3323 /* 3117 /*
… …
3348 3142
3349/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3350/* 3144/*
3351 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3352 */ 3146 */
3353void 3147void ecb_cold
3354rxvt_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
3355{ 3149{
3356 row_col_t pos; 3150 row_col_t pos;
3357 enum { 3151 enum {
3358 LEFT, RIGHT 3152 LEFT, RIGHT
3359 } closeto = RIGHT; 3153 } closeto = RIGHT;
3360
3361 want_refresh = 1;
3362 3154
3363 switch (selection.op) 3155 switch (selection.op)
3364 { 3156 {
3365 case SELECTION_INIT: 3157 case SELECTION_INIT:
3366 CLEAR_SELECTION (); 3158 CLEAR_SELECTION ();
… …
3546 3338
3547#if !ENABLE_MINIMAL 3339#if !ENABLE_MINIMAL
3548 if (selection.rect && selection.beg.col > selection.end.col) 3340 if (selection.rect && selection.beg.col > selection.end.col)
3549 ::swap (selection.beg.col, selection.end.col); 3341 ::swap (selection.beg.col, selection.end.col);
3550#endif 3342#endif
3343
3344 selection_changed ();
3551} 3345}
3552 3346
3553#if !ENABLE_MINIMAL 3347#if !ENABLE_MINIMAL
3554void 3348void ecb_cold
3555rxvt_term::selection_remove_trailing_spaces () NOTHROW 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3556{ 3350{
3557 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3558 text_t *stp; 3352 text_t *stp;
3559 3353
3560 end_col = selection.end.col; 3354 end_col = selection.end.col;
… …
3597/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3598/* 3392/*
3599 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3600 * EXT: button 3 double click 3394 * EXT: button 3 double click
3601 */ 3395 */
3602void 3396void ecb_cold
3603rxvt_term::selection_rotate (int x, int y) NOTHROW 3397rxvt_term::selection_rotate (int x, int y) noexcept
3604{ 3398{
3605 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3606 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3607} 3401}
3608 3402
3609/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3610/* 3404/*
3611 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3612 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3613 */ 3407 */
3614void 3408void ecb_cold
3615rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3616{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3617 XSelectionEvent ev; 3412 XSelectionEvent ev;
3618 3413
3619 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3620 ev.property = None; 3415 ev.property = None;
3621 ev.display = rq.display; 3416 ev.display = rq.display;
… …
3636 *target++ = xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3637#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3638 *target++ = xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3639#endif 3434#endif
3640 3435
3641 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3642 32, PropModeReplace, 3437 32, PropModeReplace,
3643 (unsigned char *)target_list, target - target_list); 3438 (unsigned char *)target_list, target - target_list);
3644 ev.property = rq.property; 3439 ev.property = property;
3645 } 3440 }
3646#if TODO // TODO 3441#if TODO // TODO
3647 else if (rq.target == xa[XA_MULTIPLE]) 3442 else if (rq.target == xa[XA_MULTIPLE])
3648 { 3443 {
3649 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3650 } 3445 }
3651#endif 3446#endif
3652 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3653 { 3448 {
3654 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3655 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3656 ev.property = rq.property; 3451 ev.property = property;
3657 } 3452 }
3658 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3453 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3659 { 3454 {
3660 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3455 XChangeProperty (dpy, rq.requestor, property, rq.target,
3661 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3456 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3662 ev.property = rq.property; 3457 ev.property = property;
3663 } 3458 }
3664 else if (rq.target == XA_STRING 3459 else if (rq.target == XA_STRING
3665 || rq.target == xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3666 || rq.target == xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3667 || rq.target == xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
… …
3711 cl = selection.clip_text; 3506 cl = selection.clip_text;
3712 selectlen = selection.clip_len; 3507 selectlen = selection.clip_len;
3713 } 3508 }
3714 else 3509 else
3715 { 3510 {
3716 cl = L""; 3511 cl = (wchar_t *)L"";
3717 selectlen = 0; 3512 selectlen = 0;
3718 } 3513 }
3719 3514
3720#if !ENABLE_MINIMAL 3515#if !ENABLE_MINIMAL
3721 // 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
… …
3738 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3739 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3740 ct.encoding = target; 3535 ct.encoding = target;
3741 } 3536 }
3742 3537
3743 XChangeProperty (dpy, rq.requestor, rq.property, 3538 XChangeProperty (dpy, rq.requestor, property,
3744 ct.encoding, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3745 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3746 ev.property = rq.property; 3541 ev.property = property;
3747 3542
3748 if (freect) 3543 if (freect)
3749 XFree (ct.value); 3544 XFree (ct.value);
3750 } 3545 }
3751 3546
3752 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3753} 3548}
3754 3549
3755/* ------------------------------------------------------------------------- */ 3550/* ------------------------------------------------------------------------- */
3756#ifdef USE_XIM 3551#if USE_XIM
3757void 3552void ecb_cold
3758rxvt_term::im_set_position (XPoint &pos) NOTHROW 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3759{ 3554{
3760 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3761 3556
3762 XGetWindowAttributes (dpy, vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3763 3558
… …
3766} 3561}
3767#endif 3562#endif
3768 3563
3769#if ENABLE_OVERLAY 3564#if ENABLE_OVERLAY
3770void 3565void
3771rxvt_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
3772{ 3567{
3773 if (nrow < 1 || ncol < 1) 3568 if (nrow < 1 || ncol < 1)
3774 return; 3569 return;
3775 3570
3776 want_refresh = 1; 3571 want_refresh = 1;
… …
3821 *rp = r; 3616 *rp = r;
3822 } 3617 }
3823} 3618}
3824 3619
3825void 3620void
3826rxvt_term::scr_overlay_off () NOTHROW 3621rxvt_term::scr_overlay_off () noexcept
3827{ 3622{
3828 if (!ov.text) 3623 if (!ov.text)
3829 return; 3624 return;
3830 3625
3831 want_refresh = 1; 3626 want_refresh = 1;
… …
3839 delete [] ov.text; ov.text = 0; 3634 delete [] ov.text; ov.text = 0;
3840 delete [] ov.rend; ov.rend = 0; 3635 delete [] ov.rend; ov.rend = 0;
3841} 3636}
3842 3637
3843void 3638void
3844rxvt_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
3845{ 3640{
3846 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2) 3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3847 return; 3642 return;
3848 3643
3849 x++, y++; 3644 x++, y++;
… …
3851 ov.text[y][x] = text; 3646 ov.text[y][x] = text;
3852 ov.rend[y][x] = rend; 3647 ov.rend[y][x] = rend;
3853} 3648}
3854 3649
3855void 3650void
3856rxvt_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
3857{ 3652{
3858 while (*s) 3653 while (*s)
3859 scr_overlay_set (x++, y, *s++); 3654 scr_overlay_set (x++, y, *s++);
3860} 3655}
3861 3656
3862void 3657void
3863rxvt_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
3864{ 3659{
3865 while (*s) 3660 while (*s)
3866 { 3661 {
3867 text_t t = *s++; 3662 text_t t = *s++;
3868 int width = WCWIDTH (t); 3663 int width = WCWIDTH (t);
… …
3874 } 3669 }
3875 } 3670 }
3876} 3671}
3877 3672
3878void 3673void
3879rxvt_term::scr_swap_overlay () NOTHROW 3674rxvt_term::scr_swap_overlay () noexcept
3880{ 3675{
3881 if (!ov.text) 3676 if (!ov.text)
3882 return; 3677 return;
3883 3678
3884 // hide cursor if it is within the overlay area 3679 // hide cursor if it is within the overlay area

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