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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.344 by sf-exg, Wed Jul 21 09:00:43 2010 UTC vs.
Revision 1.429 by root, Sun Jan 13 20:11:21 2013 UTC

1/*---------------------------------------------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */ 29#include "rxvtperl.h" /* NECESSARY */
30 30
31#include <inttypes.h> 31#include <inttypes.h>
32 32
33#include "salloc.C" // HACK, should be a seperate compile!
34
35static inline void 33static inline void
36fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
37{ 35{
38 while (len--) 36 while (len--)
39 *start++ = value; 37 *start++ = value;
40} 38}
41 39
42/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 256*1024
44#define PASTE_SIZE 32768
45#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
46 42
47/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
100 96
101/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
102void 98void
103rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
104{ 100{
105 if (!l.t) 101 if (!l.valid ())
106 { 102 {
107 lalloc (l); 103 l.alloc ();
108 col = 0; 104 col = 0;
109 width = ncol; 105 width = ncol;
110 } 106 }
111 107
112 l.touch (); 108 l.touch ();
143 while (col > 0 && l.t[col] == NOCHAR) 139 while (col > 0 && l.t[col] == NOCHAR)
144 col--; 140 col--;
145 141
146 rend_t rend = l.r[col] & ~RS_baseattrMask; 142 rend_t rend = l.r[col] & ~RS_baseattrMask;
147 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
148 146
149 // found start, nuke 147 // found start, nuke
150 do { 148 do {
151 l.t[col] = ' '; 149 l.t[col] = ' ';
152 l.r[col] = rend; 150 l.r[col] = rend;
157/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
160 158
161void 159void
160rxvt_term::scr_alloc () NOTHROW
161{
162 int tsize = sizeof (text_t) * ncol;
163 int rsize = sizeof (rend_t) * ncol;
164
165 // we assume that rend_t size is a sufficient alignment
166 // factor for text_t and line_t values, and we only
167 // need to adjust tsize.
168 tsize = (tsize + sizeof (rend_t) - 1);
169 tsize -= tsize % sizeof (rend_t);
170
171 int all_rows = total_rows + nrow + nrow;
172
173 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174 chunk = chunk_alloc (chunk_size, 0);
175
176 char *base = (char *)chunk + sizeof (line_t) * all_rows;
177
178 for (int row = 0; row < all_rows; ++row)
179 {
180 line_t &l = ((line_t *)chunk) [row];
181
182 l.t = (text_t *)base; base += tsize;
183 l.r = (rend_t *)base; base += rsize;
184 l.l = -1;
185 l.f = 0;
186 }
187
188 drawn_buf = (line_t *)chunk;
189 swap_buf = drawn_buf + nrow;
190 row_buf = swap_buf + nrow;
191}
192
193void ecb_cold
162rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
163{ 195{
196#if ENABLE_OVERLAY
197 scr_overlay_off ();
198#endif
199
164 view_start = 0; 200 view_start = 0;
165 num_scr = 0; 201 num_scr = 0;
166 202
167 if (ncol == 0) 203 if (ncol == 0)
168 ncol = 80; 204 ncol = 80;
188 total_rows = nrow + saveLines; 224 total_rows = nrow + saveLines;
189 225
190 screen.tscroll = 0; 226 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
192 228
229 void *prev_chunk = chunk;
230 size_t prev_chunk_size = chunk_size;
231 line_t *prev_drawn_buf = drawn_buf;
232 line_t *prev_swap_buf = swap_buf;
233 line_t *prev_row_buf = row_buf;
234
235 int common_col = min (prev_ncol, ncol);
236
237 scr_alloc ();
238
193 if (!row_buf) 239 if (!prev_row_buf)
194 { 240 {
195 /* 241 /*
196 * first time called so just malloc everything: don't rely on realloc 242 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
197 */ 243 */
198 top_row = 0; 244 top_row = 0;
199 term_start = 0; 245 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 }
214 246
215 memset (charsets, 'B', sizeof (charsets)); 247 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 248 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 249 screen.flags = Screen_DefaultFlags;
218 screen.cur.row = screen.cur.col = 0; 250 screen.cur.row = screen.cur.col = 0;
241 { 273 {
242 /* 274 /*
243 * add or delete rows as appropriate 275 * add or delete rows as appropriate
244 */ 276 */
245 277
246 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
249#if 0
250 if (nrow < prev_nrow)
251 {
252 for (int row = nrow; row < prev_nrow; row++)
253 {
254 lfree (swap_buf [row]);
255 lfree (drawn_buf[row]);
256 }
257 }
258#endif
259
260 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
261 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262
263 for (int row = min (nrow, prev_nrow); row--; ) 278 for (int row = min (nrow, prev_nrow); row--; )
264 { 279 {
265 lresize (drawn_buf[row]); 280 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
266 lresize (swap_buf [row]); 281 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
267 }
268 282
269 for (int row = prev_nrow; row < nrow; row++) 283 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
284 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
285
286 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
287 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
288 swap_buf [row].l = prev_swap_buf [row].l;
270 { 289 }
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));
277 290
278 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 291 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279 int pend = MOD (term_start + top_row , prev_total_rows); 292 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row 293 int q = total_rows; // rewrapped row
281 294
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 302 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290 303
291 do 304 do
292 { 305 {
293 p = MOD (p - 1, prev_total_rows); 306 p = MOD (p - 1, prev_total_rows);
294 assert (old_buf [MOD (p, prev_total_rows)].t); 307 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295 int plines = 1; 308 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 309 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297 310
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 311 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299 { 312 {
300 p = MOD (p - 1, prev_total_rows); 313 p = MOD (p - 1, prev_total_rows);
301 314
302 plines++; 315 plines++;
303 llen += prev_ncol; 316 llen += prev_ncol;
316 329
317 // re-assemble the full line by destination lines 330 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 331 for (int qrow = q; qlines--; qrow++)
319 { 332 {
320 qline = row_buf + qrow; 333 qline = row_buf + qrow;
321 lalloc (*qline); 334 qline->alloc (); // redundant with next line
322 qline->l = ncol; 335 qline->l = ncol;
323 qline->is_longer (1); 336 qline->is_longer (1);
324 337
325 int qcol = 0; 338 int qcol = 0;
326 339
341 // this seems to upset applications/shells/readline 354 // this seems to upset applications/shells/readline
342 // least. 355 // least.
343 if (prow == ocur.row) 356 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow); 357 screen.cur.row = q - (total_rows - nrow);
345 358
346 line_t &pline = old_buf [prow]; 359 line_t &pline = prev_row_buf [prow];
347 360
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 361 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349 362
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 363 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 364 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
372 { 385 {
373 // if no scrollback exists (yet), wing, instead of wrap 386 // if no scrollback exists (yet), wing, instead of wrap
374 387
375 for (int row = min (nrow, prev_nrow); row--; ) 388 for (int row = min (nrow, prev_nrow); row--; )
376 { 389 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 390 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378 line_t &qline = row_buf [row]; 391 line_t &dst = row_buf [row];
379 392
380 qline = pline; 393 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
381 lresize (qline); 394
395 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
396 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
397 dst.l = common_col;
382 } 398 }
383 399
384 for (int row = prev_nrow; row < nrow; row++) 400 for (int row = prev_nrow; row < nrow; row++)
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 401 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 }
388 402
389 term_start = 0; 403 term_start = 0;
390 } 404 }
391
392 free (old_buf);
393 delete old_ta;
394 delete old_ra;
395 405
396 clamp_it (screen.cur.row, 0, nrow - 1); 406 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1); 407 clamp_it (screen.cur.col, 0, ncol - 1);
398 } 408 }
399 409
410 for (int row = nrow; row--; )
411 {
412 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
413 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
414 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
415 }
416
417 chunk_free (prev_chunk, prev_chunk_size);
418
400 free (tabs); 419 free (tabs);
401 tabs = (char *)rxvt_malloc (ncol); 420 tabs = (char *)rxvt_malloc (ncol);
402 421
403 for (int col = ncol; --col; ) 422 for (int col = ncol; col--; )
404 tabs [col] = col % TABSIZE == 0; 423 tabs [col] = col % TABSIZE == 0;
405 424
406 CLEAR_ALL_SELECTION (); 425 CLEAR_ALL_SELECTION ();
407 426
408 prev_nrow = nrow; 427 prev_nrow = nrow;
411 tt_winch (); 430 tt_winch ();
412 431
413 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 432 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414} 433}
415 434
416/* ------------------------------------------------------------------------- */ 435void ecb_cold
417/*
418 * Free everything. That way malloc debugging can find leakage.
419 */
420void
421rxvt_term::scr_release () NOTHROW 436rxvt_term::scr_release () NOTHROW
422{ 437{
423 if (row_buf) 438 chunk_free (chunk, chunk_size);
424 { 439 chunk = 0;
425 delete talloc; talloc = 0; 440 row_buf = 0;
426 delete ralloc; ralloc = 0;
427 441
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); 442 free (tabs);
434 tabs = 0; 443 tabs = 0;
435 }
436} 444}
437 445
438/* ------------------------------------------------------------------------- */ 446/* ------------------------------------------------------------------------- */
439/* 447/*
440 * Hard/Soft reset 448 * Hard/Soft reset
441 */ 449 */
442void 450void ecb_cold
443rxvt_term::scr_poweron () 451rxvt_term::scr_poweron ()
444{ 452{
445 scr_release (); 453 scr_release ();
454
446 prev_nrow = prev_ncol = 0; 455 prev_nrow = prev_ncol = 0;
447 rvideo_mode = false; 456 rvideo_mode = false;
448 scr_soft_reset (); 457 scr_soft_reset ();
449 scr_reset (); 458 scr_reset ();
450 459
451 scr_clear (true); 460 scr_clear (true);
452 scr_refresh (); 461 scr_refresh ();
453} 462}
454 463
455void 464void ecb_cold
456rxvt_term::scr_soft_reset () 465rxvt_term::scr_soft_reset () NOTHROW
457{ 466{
458 /* only affects modes, nothing drastic such as clearing the screen */ 467 /* only affects modes, nothing drastic such as clearing the screen */
459#if ENABLE_OVERLAY 468#if ENABLE_OVERLAY
460 scr_overlay_off (); 469 scr_overlay_off ();
461#endif 470#endif
516 assert (s->cur.row >= 0); 525 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 526 assert (s->cur.col >= 0);
518} 527}
519 528
520void 529void
521rxvt_term::scr_swap_screen () 530rxvt_term::scr_swap_screen () NOTHROW
522{ 531{
523 if (!option (Opt_secondaryScreen)) 532 if (!option (Opt_secondaryScreen))
524 return; 533 return;
525 534
526 for (int i = prev_nrow; i--; ) 535 for (int i = prev_nrow; i--; )
545 return; 554 return;
546 555
547 want_refresh = 1; 556 want_refresh = 1;
548 view_start = 0; 557 view_start = 0;
549 558
550 selection_check (2); /* check for boundary cross */ 559 /* check for boundary cross */
560 row_col_t pos;
561 pos.row = pos.col = 0;
562 if (ROWCOL_IS_BEFORE (selection.beg, pos)
563 && ROWCOL_IS_AFTER (selection.end, pos))
564 CLEAR_SELECTION ();
551 565
552 current_screen = scrn; 566 current_screen = scrn;
553 567
554#if NSCREENS 568#if NSCREENS
555 if (option (Opt_secondaryScreen)) 569 if (option (Opt_secondaryScreen))
621/* 635/*
622 * Scroll text between <row1> and <row2> inclusive, by <count> lines 636 * Scroll text between <row1> and <row2> inclusive, by <count> lines
623 * count positive ==> scroll up 637 * count positive ==> scroll up
624 * count negative ==> scroll down 638 * count negative ==> scroll down
625 */ 639 */
626int 640int ecb_hot
627rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 641rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628{ 642{
629 if (count == 0 || (row1 > row2)) 643 if (count == 0 || (row1 > row2))
630 return 0; 644 return 0;
631 645
634 648
635 if (count > 0 649 if (count > 0
636 && row1 == 0 650 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 651 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 { 652 {
653 min_it (count, total_rows - (nrow - (row2 + 1)));
654
639 top_row = max (top_row - count, -saveLines); 655 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643 656
644 // sever bottommost line 657 // sever bottommost line
645 { 658 {
646 line_t &l = ROW(row2 - count); 659 line_t &l = ROW(row2);
647 l.is_longer (0); 660 l.is_longer (0);
648 l.touch (); 661 l.touch ();
649 } 662 }
650 663
664 // scroll everything up 'count' lines
665 term_start = (term_start + count) % total_rows;
666
667 // now copy lines below the scroll region bottom to the
668 // bottom of the screen again, so they look as if they
669 // hadn't moved.
670 for (int i = nrow; --i > row2; )
671 {
672 line_t &l1 = ROW(i - count);
673 line_t &l2 = ROW(i);
674
675 ::swap (l1, l2);
676 l2.touch ();
677 }
678
651 // erase newly scrolled-in lines 679 // erase newly scrolled-in lines
652 for (int i = count; i--; ) 680 for (int i = count; i--; )
653 { 681 {
654 line_t &l = ROW(nrow - 1 - i); 682 line_t &l = ROW(row2 - i);
655 683
656 // optimize if already cleared, can be significant on slow machines 684 // optimise if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem 685 // 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))) 686 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 { 687 {
660 scr_blank_line (l, 0, l.l, rstyle); 688 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0; 689 l.l = 0;
663 } 691 }
664 else 692 else
665 scr_blank_screen_mem (l, rstyle); 693 scr_blank_screen_mem (l, rstyle);
666 } 694 }
667 695
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 696 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen) 697 if (selection.op && current_screen == selection.screen
698 && selection.beg.row <= row2)
682 { 699 {
683 selection.beg.row -= count; 700 selection.beg.row -= count;
684 selection.end.row -= count; 701 selection.end.row -= count;
685 selection.mark.row -= count; 702 selection.mark.row -= count;
686 703
687 if (selection.beg.row < top_row 704 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 } 705 }
695 706
696 // finally move the view window, if desired 707 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 708 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 709 && view_start != 0
728 } 739 }
729 740
730 // use a simple and robust scrolling algorithm, this 741 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical. 742 // part of scr_scroll_text is not time-critical.
732 743
744 // sever line above scroll region
745 if (row1)
746 {
747 line_t &l = ROW(row1 - 1);
748 l.is_longer (0);
749 l.touch ();
750 }
751
733 int rows = row2 - row1 + 1; 752 int rows = row2 - row1 + 1;
734 753
735 min_it (count, rows); 754 min_it (count, rows);
736 755
737 line_t *temp_buf = row_buf + total_rows; 756 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738 757
739 for (int row = 0; row < rows; row++) 758 for (int row = 0; row < rows; row++)
740 { 759 {
741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 760 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742 761
744 scr_blank_screen_mem (temp_buf [row], rstyle); 763 scr_blank_screen_mem (temp_buf [row], rstyle);
745 } 764 }
746 765
747 for (int row = 0; row < rows; row++) 766 for (int row = 0; row < rows; row++)
748 ROW(row1 + row) = temp_buf [row]; 767 ROW(row1 + row) = temp_buf [row];
768
769 // sever bottommost line
770 {
771 line_t &l = ROW(row2);
772 l.is_longer (0);
773 l.touch ();
774 }
749 } 775 }
750 776
751 return count; 777 return count;
752} 778}
753 779
754/* ------------------------------------------------------------------------- */ 780/* ------------------------------------------------------------------------- */
755/* 781/*
756 * Add text given in <str> of length <len> to screen struct 782 * Add text given in <str> of length <len> to screen struct
757 */ 783 */
758void 784void ecb_hot
759rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 785rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760{ 786{
761 if (len <= 0) /* sanity */ 787 if (len <= 0) /* sanity */
762 return; 788 return;
763 789
764 unsigned char checksel; 790 bool checksel;
765 unicode_t c; 791 unicode_t c;
766 int ncol = this->ncol; 792 int ncol = this->ncol;
767 const wchar_t *strend = str + len; 793 const wchar_t *strend = str + len;
768 794
769 want_refresh = 1; 795 want_refresh = 1;
795 821
796 while (str < strend) 822 while (str < strend)
797 { 823 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 824 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 825
800 if (expect_false (c < 0x20)) 826 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 827 if (c == C0_LF)
802 { 828 {
803 max_it (line->l, screen.cur.col); 829 max_it (line->l, screen.cur.col);
804 830
805 screen.flags &= ~Screen_WrapNext; 831 screen.flags &= ~Screen_WrapNext;
824 { 850 {
825 scr_tab (1, true); 851 scr_tab (1, true);
826 continue; 852 continue;
827 } 853 }
828 854
829 if (expect_false ( 855 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 856 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 857 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 858 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 859 ))
834 { 860 {
839 * should be a similar check. 865 * should be a similar check.
840 */ 866 */
841 CLEAR_SELECTION (); 867 CLEAR_SELECTION ();
842 } 868 }
843 869
844 if (expect_false (screen.flags & Screen_WrapNext)) 870 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 871 {
846 scr_do_wrap (); 872 scr_do_wrap ();
847 873
848 line->l = ncol; 874 line->l = ncol;
849 line->is_longer (1); 875 line->is_longer (1);
851 row = screen.cur.row; 877 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 878 line = &ROW(row); /* _must_ refresh */
853 } 879 }
854 880
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 881 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 882 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 883 c = 0xfffd;
858 884
859 // rely on wcwidth to tell us the character width, do wcwidth before 885 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line 886 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 887 // drawing characters below as they might be invalid in the current
862 // locale. 888 // locale.
863 int width = WCWIDTH (c); 889 int width = WCWIDTH (c);
864 890
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 891 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 892 {
867 // vt100 special graphics and line drawing 893 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 894 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 895 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 896 static uint16_t vt100_0[62] = { // 41 .. 7e
883 c = vt100_0[c - 0x41]; 909 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 910 width = 1; // vt100 line drawing characters are always single-width
885 } 911 }
886 } 912 }
887 913
888 if (expect_false (screen.flags & Screen_Insert)) 914 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 915 scr_insdel_chars (width, INSERT);
890 916
891 if (width != 0) 917 if (width != 0)
892 { 918 {
893#if !UNICODE_3 919#if !UNICODE_3
898# else 924# else
899 c = 0xfffd; 925 c = 0xfffd;
900# endif 926# endif
901#endif 927#endif
902 928
929 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
930
931 // if the character doesn't fit into the remaining columns...
932 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
933 {
934 if (screen.flags & Screen_Autowrap)
935 {
936 // ... artificially enlargen the previous one
937 c = NOCHAR;
938 // and try the same character next loop iteration
939 --str;
940 }
941 else
942 screen.cur.col = ncol - width;
943 }
944
903 // nuke the character at this position, if required 945 // nuke the character at this position, if required
904 if (expect_false ( 946 // due to wonderful coincidences everywhere else in this loop
947 // we never have to check for overwriting a wide char itself,
948 // only its tail.
905 line->t[screen.cur.col] == NOCHAR 949 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); 950 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 }
921 951
922 line->touch (); 952 line->touch ();
923 953
924 do 954 do
925 { 955 {
926 line->t[screen.cur.col] = c; 956 line->t[screen.cur.col] = c;
927 line->r[screen.cur.col] = rend; 957 line->r[screen.cur.col] = rend;
928 958
929 if (expect_true (screen.cur.col < ncol - 1)) 959 if (ecb_likely (screen.cur.col < ncol - 1))
930 screen.cur.col++; 960 screen.cur.col++;
931 else 961 else
932 { 962 {
933 line->l = ncol; 963 line->l = ncol;
934 if (screen.flags & Screen_Autowrap) 964 if (screen.flags & Screen_Autowrap)
935 screen.flags |= Screen_WrapNext; 965 screen.flags |= Screen_WrapNext;
936 break; 966
967 goto end_of_line;
937 } 968 }
938 969
939 c = NOCHAR; 970 c = NOCHAR;
940 } 971 }
941 while (expect_false (--width > 0)); 972 while (ecb_unlikely (--width > 0));
942 973
943 // pad with spaces when overwriting wide character with smaller one 974 // pad with spaces when overwriting wide character with smaller one
944 if (expect_false (!width)) 975 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
945 { 976 {
946 line->touch ();
947
948 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
949 {
950 line->t[c] = ' '; 977 line->t[c] = ' ';
951 line->r[c] = rend; 978 line->r[c] = rend;
952 }
953 } 979 }
980
981end_of_line:
982 ;
954 } 983 }
955#if ENABLE_COMBINING 984#if ENABLE_COMBINING
956 else // width == 0 985 else // width == 0
957 { 986 {
958 if (c != 0xfeff) // ignore BOM 987 if (c != 0xfeff) // ignore BOM
1021 1050
1022 want_refresh = 1; 1051 want_refresh = 1;
1023#endif 1052#endif
1024 } 1053 }
1025 } 1054 }
1055 else if (screen.flags & Screen_WrapNext)
1056 screen.flags &= ~Screen_WrapNext;
1026 else 1057 else
1027 scr_gotorc (0, -1, RELATIVE); 1058 scr_gotorc (0, -1, RELATIVE);
1028} 1059}
1029 1060
1030/* ------------------------------------------------------------------------- */ 1061/* ------------------------------------------------------------------------- */
1108 * XTERM_SEQ: ESC 6 1139 * XTERM_SEQ: ESC 6
1109 * Move cursor left in row. If we're at the left boundary, shift everything 1140 * Move cursor left in row. If we're at the left boundary, shift everything
1110 * in that row right. Clear left column. 1141 * in that row right. Clear left column.
1111 */ 1142 */
1112#if !ENABLE_MINIMAL 1143#if !ENABLE_MINIMAL
1113void 1144void ecb_cold
1114rxvt_term::scr_backindex () NOTHROW 1145rxvt_term::scr_backindex () NOTHROW
1115{ 1146{
1116 if (screen.cur.col > 0) 1147 if (screen.cur.col > 0)
1117 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1148 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1118 else 1149 else
1125 * XTERM_SEQ: ESC 9 1156 * XTERM_SEQ: ESC 9
1126 * Move cursor right in row. If we're at the right boundary, shift everything 1157 * Move cursor right in row. If we're at the right boundary, shift everything
1127 * in that row left. Clear right column. 1158 * in that row left. Clear right column.
1128 */ 1159 */
1129#if !ENABLE_MINIMAL 1160#if !ENABLE_MINIMAL
1130void 1161void ecb_cold
1131rxvt_term::scr_forwardindex () NOTHROW 1162rxvt_term::scr_forwardindex () NOTHROW
1132{ 1163{
1133 if (screen.cur.col < ncol - 1) 1164 if (screen.cur.col < ncol - 1)
1134 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1165 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1135 else 1166 else
1286 scr_blank_line (line, col, num, rstyle); 1317 scr_blank_line (line, col, num, rstyle);
1287} 1318}
1288 1319
1289/* ------------------------------------------------------------------------- */ 1320/* ------------------------------------------------------------------------- */
1290/* 1321/*
1291 * Erase part of whole of the screen 1322 * Erase part or whole of the screen
1292 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1323 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1293 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1324 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1294 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1325 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1295 */ 1326 */
1296void 1327void
1305 ZERO_SCROLLBACK (); 1336 ZERO_SCROLLBACK ();
1306 1337
1307 switch (mode) 1338 switch (mode)
1308 { 1339 {
1309 case 0: /* erase to end of screen */ 1340 case 0: /* erase to end of screen */
1310 selection_check (1);
1311 scr_erase_line (0); 1341 scr_erase_line (0);
1312 row = screen.cur.row + 1; /* possible OOB */ 1342 row = screen.cur.row + 1; /* possible OOB */
1313 num = nrow - row; 1343 num = nrow - row;
1314 break; 1344 break;
1315 case 1: /* erase to beginning of screen */ 1345 case 1: /* erase to beginning of screen */
1316 selection_check (3);
1317 scr_erase_line (1); 1346 scr_erase_line (1);
1318 row = 0; 1347 row = 0;
1319 num = screen.cur.row; 1348 num = screen.cur.row;
1320 break; 1349 break;
1321 case 2: /* erase whole screen */ 1350 case 2: /* erase whole screen */
1322 selection_check (3);
1323 row = 0; 1351 row = 0;
1324 num = nrow; 1352 num = nrow;
1325 break; 1353 break;
1326 default: 1354 default:
1327 return; 1355 return;
1336 if (row >= nrow) /* Out Of Bounds */ 1364 if (row >= nrow) /* Out Of Bounds */
1337 return; 1365 return;
1338 1366
1339 min_it (num, nrow - row); 1367 min_it (num, nrow - row);
1340 1368
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)) 1369 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1345 ren = (rend_t) ~RS_None; 1370 ren = (rend_t) ~RS_None;
1346 else if (GET_BASEBG (rstyle) == Color_bg) 1371 else if (GET_BASEBG (rstyle) == Color_bg)
1347 { 1372 {
1348 ren = DEFAULT_RSTYLE; 1373 ren = DEFAULT_RSTYLE;
1349 1374
1350 if (mapped && !view_start) 1375 if (mapped)
1351 XClearArea (dpy, vt, 0, 1376 XClearArea (dpy, vt, 0,
1352 Row2Pixel (row - view_start), (unsigned int)width, 1377 Row2Pixel (row - view_start), (unsigned int)vt_width,
1353 (unsigned int)Height2Pixel (num), False); 1378 (unsigned int)Height2Pixel (num), False);
1354 } 1379 }
1355 else 1380 else
1356 { 1381 {
1357 ren = rstyle & (RS_fgMask | RS_bgMask); 1382 ren = rstyle & (RS_fgMask | RS_bgMask);
1358 1383
1359 if (mapped && !view_start) 1384 if (mapped)
1360 { 1385 {
1361 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1386 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1362 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1387 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1363 XFillRectangle (dpy, vt, gc, 1388 XFillRectangle (dpy, vt, gc,
1364 0, Row2Pixel (row - view_start), 1389 0, Row2Pixel (row - view_start),
1365 (unsigned int)width, 1390 (unsigned int)vt_width,
1366 (unsigned int)Height2Pixel (num)); 1391 (unsigned int)Height2Pixel (num));
1367 gcvalue.foreground = pix_colors[Color_fg]; 1392 gcvalue.foreground = pix_colors[Color_fg];
1368 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1369 } 1394 }
1370 } 1395 }
1371 1396
1372 for (; num--; row++) 1397 for (; num--; row++)
1373 { 1398 {
1374 scr_blank_screen_mem (ROW(row), rstyle); 1399 scr_blank_screen_mem (ROW(row), rstyle);
1375 1400
1376 if (!view_start) 1401 if (row - view_start < nrow)
1377 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1402 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1378 } 1403 }
1379} 1404}
1380 1405
1381#if !ENABLE_MINIMAL 1406#if !ENABLE_MINIMAL
1382void 1407void
1392/* ------------------------------------------------------------------------- */ 1417/* ------------------------------------------------------------------------- */
1393/* 1418/*
1394 * Fill the screen with `E's 1419 * Fill the screen with `E's
1395 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1420 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1396 */ 1421 */
1397void 1422void ecb_cold
1398rxvt_term::scr_E () NOTHROW 1423rxvt_term::scr_E () NOTHROW
1399{ 1424{
1400 rend_t fs; 1425 rend_t fs;
1401 1426
1402 want_refresh = 1; 1427 want_refresh = 1;
1403 ZERO_SCROLLBACK (); 1428 ZERO_SCROLLBACK ();
1404 1429
1405 num_scr_allow = 0; 1430 num_scr_allow = 0;
1406 selection_check (3); 1431
1432 row_col_t pos;
1433 pos.row = pos.col = 0;
1434 if (ROWCOL_IS_AFTER (selection.end, pos))
1435 CLEAR_SELECTION ();
1407 1436
1408 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1437 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1409 for (int row = nrow; row--; ) 1438 for (int row = nrow; row--; )
1410 { 1439 {
1411 line_t &line = ROW(row); 1440 line_t &line = ROW(row);
1562/* ------------------------------------------------------------------------- */ 1591/* ------------------------------------------------------------------------- */
1563/* 1592/*
1564 * Set the scrolling region 1593 * Set the scrolling region
1565 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1594 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1566 */ 1595 */
1567void 1596void ecb_cold
1568rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1597rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1569{ 1598{
1570 max_it (top, 0); 1599 max_it (top, 0);
1571 min_it (bot, nrow - 1); 1600 min_it (bot, nrow - 1);
1572 1601
1582/* 1611/*
1583 * Make the cursor visible/invisible 1612 * Make the cursor visible/invisible
1584 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1613 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1585 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1614 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1586 */ 1615 */
1587void 1616void ecb_cold
1588rxvt_term::scr_cursor_visible (int mode) NOTHROW 1617rxvt_term::scr_cursor_visible (int mode) NOTHROW
1589{ 1618{
1590 want_refresh = 1; 1619 want_refresh = 1;
1591 1620
1592 if (mode) 1621 if (mode)
1599/* 1628/*
1600 * Set/unset automatic wrapping 1629 * Set/unset automatic wrapping
1601 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1630 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1602 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1631 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1603 */ 1632 */
1604void 1633void ecb_cold
1605rxvt_term::scr_autowrap (int mode) NOTHROW 1634rxvt_term::scr_autowrap (int mode) NOTHROW
1606{ 1635{
1607 if (mode) 1636 if (mode)
1608 screen.flags |= Screen_Autowrap; 1637 screen.flags |= Screen_Autowrap;
1609 else 1638 else
1618 * Relative mode: line numbers are relative to top margin of scrolling region 1647 * Relative mode: line numbers are relative to top margin of scrolling region
1619 * and the cursor cannot be moved outside. 1648 * and the cursor cannot be moved outside.
1620 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1649 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1621 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1650 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1622 */ 1651 */
1623void 1652void ecb_cold
1624rxvt_term::scr_relative_origin (int mode) NOTHROW 1653rxvt_term::scr_relative_origin (int mode) NOTHROW
1625{ 1654{
1626 if (mode) 1655 if (mode)
1627 screen.flags |= Screen_Relative; 1656 screen.flags |= Screen_Relative;
1628 else 1657 else
1635/* 1664/*
1636 * Set insert/replace mode 1665 * Set insert/replace mode
1637 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1666 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1638 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1667 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1639 */ 1668 */
1640void 1669void ecb_cold
1641rxvt_term::scr_insert_mode (int mode) NOTHROW 1670rxvt_term::scr_insert_mode (int mode) NOTHROW
1642{ 1671{
1643 if (mode) 1672 if (mode)
1644 screen.flags |= Screen_Insert; 1673 screen.flags |= Screen_Insert;
1645 else 1674 else
1651 * Set/Unset tabs 1680 * Set/Unset tabs
1652 * XTERM_SEQ: Set tab at current column : ESC H 1681 * XTERM_SEQ: Set tab at current column : ESC H
1653 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1682 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1654 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1683 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1655 */ 1684 */
1656void 1685void ecb_cold
1657rxvt_term::scr_set_tab (int mode) NOTHROW 1686rxvt_term::scr_set_tab (int mode) NOTHROW
1658{ 1687{
1659 if (mode < 0) 1688 if (mode < 0)
1660 memset (tabs, 0, ncol); 1689 memset (tabs, 0, ncol);
1661 else if (screen.cur.col < ncol) 1690 else if (screen.cur.col < ncol)
1680 if (rvideo_state != on) 1709 if (rvideo_state != on)
1681 { 1710 {
1682 rvideo_state = on; 1711 rvideo_state = on;
1683 1712
1684 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1713 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1685#ifdef HAVE_BG_PIXMAP 1714#ifdef HAVE_IMG
1686 if (bgPixmap.pixmap == None) 1715 if (bg_img == 0)
1687#endif 1716#endif
1688 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1717 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1689 1718
1690 XGCValues gcvalue; 1719 XGCValues gcvalue;
1691 gcvalue.foreground = pix_colors[Color_fg]; 1720 gcvalue.foreground = pix_colors[Color_fg];
1700/* ------------------------------------------------------------------------- */ 1729/* ------------------------------------------------------------------------- */
1701/* 1730/*
1702 * Report current cursor position 1731 * Report current cursor position
1703 * XTERM_SEQ: Report position: ESC [ 6 n 1732 * XTERM_SEQ: Report position: ESC [ 6 n
1704 */ 1733 */
1705void 1734void ecb_cold
1706rxvt_term::scr_report_position () NOTHROW 1735rxvt_term::scr_report_position () NOTHROW
1707{ 1736{
1708 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1737 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1709} 1738}
1710 1739
1713 * ------------------------------------------------------------------------- */ 1742 * ------------------------------------------------------------------------- */
1714 1743
1715/* 1744/*
1716 * Set font style 1745 * Set font style
1717 */ 1746 */
1718void 1747void ecb_cold
1719rxvt_term::set_font_style () NOTHROW 1748rxvt_term::set_font_style () NOTHROW
1720{ 1749{
1721#if 0 1750#if 0
1722 switch (charsets [screen.charset]) 1751 switch (charsets [screen.charset])
1723 { 1752 {
1745 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1774 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1746 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1775 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1747 * XTERM_SEQ: Invoke G2 character set: ESC N 1776 * XTERM_SEQ: Invoke G2 character set: ESC N
1748 * XTERM_SEQ: Invoke G3 character set: ESC O 1777 * XTERM_SEQ: Invoke G3 character set: ESC O
1749 */ 1778 */
1750void 1779void ecb_cold
1751rxvt_term::scr_charset_choose (int set) NOTHROW 1780rxvt_term::scr_charset_choose (int set) NOTHROW
1752{ 1781{
1753 screen.charset = set; 1782 screen.charset = set;
1754 set_font_style (); 1783 set_font_style ();
1755} 1784}
1776 * ------------------------------------------------------------------------- */ 1805 * ------------------------------------------------------------------------- */
1777 1806
1778/* 1807/*
1779 * refresh matching text. 1808 * refresh matching text.
1780 */ 1809 */
1781bool 1810bool ecb_cold
1782rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1811rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1783{ 1812{
1784 bool found = false; 1813 bool found = false;
1785 1814
1786 for (int i = 0; i < nrow; i++) 1815 for (int i = 0; i < nrow; i++)
1805 PART_BEG = 0, 1834 PART_BEG = 0,
1806 PART_END, 1835 PART_END,
1807 RC_COUNT 1836 RC_COUNT
1808}; 1837};
1809 1838
1810void 1839void ecb_hot
1811rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1840rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1812{ 1841{
1813 int i; 1842 int i;
1814 row_col_t rc[RC_COUNT]; 1843 row_col_t rc[RC_COUNT];
1815 1844
1852 * Refresh the entire screen 1881 * Refresh the entire screen
1853 */ 1882 */
1854void 1883void
1855rxvt_term::scr_touch (bool refresh) NOTHROW 1884rxvt_term::scr_touch (bool refresh) NOTHROW
1856{ 1885{
1857 scr_expose (0, 0, width, height, refresh); 1886 scr_expose (0, 0, vt_width, vt_height, refresh);
1858} 1887}
1859 1888
1860/* ------------------------------------------------------------------------- */ 1889/* ------------------------------------------------------------------------- */
1861/* 1890/*
1862 * Move the display so that the line represented by scrollbar value Y is at 1891 * Move the display so that the line represented by scrollbar value Y is at
1918 1947
1919# ifndef NO_MAPALERT 1948# ifndef NO_MAPALERT
1920# ifdef MAPALERT_OPTION 1949# ifdef MAPALERT_OPTION
1921 if (option (Opt_mapAlert)) 1950 if (option (Opt_mapAlert))
1922# endif 1951# endif
1923 XMapWindow (dpy, parent[0]); 1952 XMapWindow (dpy, parent);
1924# endif 1953# endif
1925 1954
1926# if ENABLE_FRILLS 1955# if ENABLE_FRILLS
1927 if (option (Opt_urgentOnBell)) 1956 if (option (Opt_urgentOnBell))
1928 set_urgency (1); 1957 set_urgency (1);
1941 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1970 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1942#endif 1971#endif
1943} 1972}
1944 1973
1945/* ------------------------------------------------------------------------- */ 1974/* ------------------------------------------------------------------------- */
1946/* ARGSUSED */ 1975void ecb_cold
1947void
1948rxvt_term::scr_printscreen (int fullhist) NOTHROW 1976rxvt_term::scr_printscreen (int fullhist) NOTHROW
1949{ 1977{
1950#ifdef PRINTPIPE 1978#ifdef PRINTPIPE
1951 int nrows, row_start; 1979 int nrows, row_start;
1952 FILE *fd = popen_printer (); 1980 FILE *fd = popen_printer ();
2001/* 2029/*
2002 * Refresh the screen 2030 * Refresh the screen
2003 * drawn_text/drawn_rend contain the screen information before the update. 2031 * drawn_text/drawn_rend contain the screen information before the update.
2004 * screen.text/screen.rend contain what the screen will change to. 2032 * screen.text/screen.rend contain what the screen will change to.
2005 */ 2033 */
2006void 2034void ecb_hot
2007rxvt_term::scr_refresh () NOTHROW 2035rxvt_term::scr_refresh () NOTHROW
2008{ 2036{
2009 int16_t col, row, /* column/row we're processing */ 2037 int16_t col, row, /* column/row we're processing */
2010 ocrow; /* old cursor row */ 2038 ocrow; /* old cursor row */
2011 int i; /* tmp */ 2039 int i; /* tmp */
2025 * A: set up vars 2053 * A: set up vars
2026 */ 2054 */
2027 refresh_count = 0; 2055 refresh_count = 0;
2028 2056
2029 unsigned int old_screen_flags = screen.flags; 2057 unsigned int old_screen_flags = screen.flags;
2030 char have_bg = 0; 2058 bool have_bg = 0;
2031#ifdef HAVE_BG_PIXMAP 2059#ifdef HAVE_IMG
2032 have_bg = bgPixmap.pixmap != None; 2060 have_bg = bg_img != 0;
2033#endif 2061#endif
2034 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2062 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2035 2063
2036 /* 2064 /*
2037 * B: reverse any characters which are selected 2065 * B: reverse any characters which are selected
2041 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2069 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2042#if ENABLE_OVERLAY 2070#if ENABLE_OVERLAY
2043 scr_swap_overlay (); 2071 scr_swap_overlay ();
2044#endif 2072#endif
2045 2073
2046 char showcursor = screen.flags & Screen_VisibleCursor; 2074 bool showcursor = screen.flags & Screen_VisibleCursor;
2047 2075
2048 /* 2076 /*
2049 * C: set the cursor character (s) 2077 * C: set the cursor character (s)
2050 */ 2078 */
2051 { 2079 {
2052 unsigned char setoldcursor; 2080 bool setoldcursor;
2053 2081
2054#ifdef CURSOR_BLINK 2082#ifdef CURSOR_BLINK
2055 if (hidden_cursor) 2083 if (hidden_cursor)
2056 showcursor = 0; 2084 showcursor = 0;
2057#endif 2085#endif
2144 { 2172 {
2145 int16_t nits; 2173 int16_t nits;
2146 int i = num_scr; 2174 int i = num_scr;
2147 int j; 2175 int j;
2148 int len, wlen; 2176 int len, wlen;
2149 dLocal (int, num_scr);
2150 2177
2151 j = nrow; 2178 j = nrow;
2152 wlen = len = -1; 2179 wlen = len = -1;
2153 row = i > 0 ? 0 : j - 1; 2180 row = i > 0 ? 0 : j - 1;
2154 2181
2229 continue; 2256 continue;
2230 2257
2231 // redraw one or more characters 2258 // redraw one or more characters
2232 2259
2233 // seek to the beginning of wide characters 2260 // seek to the beginning of wide characters
2234 while (expect_false (stp[col] == NOCHAR && col > 0)) 2261 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2235 --col; 2262 --col;
2236 2263
2237 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2264 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2238 text_t *text = stp + col; 2265 text_t *text = stp + col;
2239 int count = 1; 2266 int count = 1;
2277 2304
2278 col--; /* went one too far. move back */ 2305 col--; /* went one too far. move back */
2279 count -= i; /* dump any matching trailing chars */ 2306 count -= i; /* dump any matching trailing chars */
2280 2307
2281 // sometimes we optimize away the trailing NOCHAR's, add them back 2308 // sometimes we optimize away the trailing NOCHAR's, add them back
2282 while (expect_false (i && text[count] == NOCHAR)) 2309 while (ecb_unlikely (i && text[count] == NOCHAR))
2283 count++, i--; 2310 count++, i--;
2284 2311
2285 /* 2312 /*
2286 * Determine the attributes for the string 2313 * Determine the attributes for the string
2287 */ 2314 */
2288 int fore = fgcolor_of (rend); // desired foreground 2315 int fore = fgcolor_of (rend); // desired foreground
2289 int back = bgcolor_of (rend); // desired background 2316 int back = bgcolor_of (rend); // desired background
2290 2317
2291 // only do special processing if any attributes are set, which is unlikely 2318 // only do special processing if any attributes are set, which is unlikely
2292 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2319 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2293 { 2320 {
2294 bool invert = rend & RS_RVid; 2321 bool invert = rend & RS_RVid;
2295 2322
2296#ifndef NO_BOLD_UNDERLINE_REVERSE 2323#ifndef NO_BOLD_UNDERLINE_REVERSE
2297 if (rend & RS_Bold && fore == Color_fg) 2324 if (rend & RS_Bold && fore == Color_fg)
2386 /* 2413 /*
2387 * Actually do the drawing of the string here 2414 * Actually do the drawing of the string here
2388 */ 2415 */
2389 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2416 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2390 2417
2391 if (expect_true (have_bg && back == Color_bg)) 2418 if (ecb_likely (have_bg && back == Color_bg))
2392 { 2419 {
2393 // this is very ugly, maybe push it into ->draw? 2420 // this is very ugly, maybe push it into ->draw?
2394 2421
2395 for (i = 0; i < count; i++) /* don't draw empty strings */ 2422 for (i = 0; i < count; i++) /* don't draw empty strings */
2396 if (text[i] != ' ') 2423 if (text[i] != ' ')
2403 did_clear: ; 2430 did_clear: ;
2404 } 2431 }
2405 else 2432 else
2406 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2433 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2407 2434
2408 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2435 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2409 { 2436 {
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
2459 2486
2460 XDrawRectangle (dpy, vt, gc, 2487 XDrawRectangle (dpy, vt, gc,
2461 Col2Pixel (col), 2488 Col2Pixel (col),
2462 Row2Pixel (oldcursor.row), 2489 Row2Pixel (oldcursor.row),
2463 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2490 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2464 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2491 (unsigned int) (Height2Pixel (1) - 1));
2465 } 2492 }
2466 } 2493 }
2467 2494
2468 /* 2495 /*
2469 * H: cleanup selection 2496 * H: cleanup selection
2478 screen.flags = old_screen_flags; 2505 screen.flags = old_screen_flags;
2479 num_scr = 0; 2506 num_scr = 0;
2480 num_scr_allow = 1; 2507 num_scr_allow = 1;
2481} 2508}
2482 2509
2483void 2510void ecb_cold
2484rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2511rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2485{ 2512{
2486 if (!l.t) 2513 if (!l.valid ())
2487 return; 2514 return;
2488 2515
2489 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2516 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2490 2517
2491 for (int i = ncol; i--; ) 2518 for (int i = ncol; i--; )
2492 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2519 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2493} 2520}
2494 2521
2495void 2522void ecb_cold
2496rxvt_term::scr_remap_chars () NOTHROW 2523rxvt_term::scr_remap_chars () NOTHROW
2497{ 2524{
2498 for (int i = total_rows; i--; ) 2525 for (int i = total_rows; i--; )
2499 scr_remap_chars (row_buf [i]); 2526 scr_remap_chars (row_buf [i]);
2500 2527
2503 scr_remap_chars (drawn_buf [i]); 2530 scr_remap_chars (drawn_buf [i]);
2504 scr_remap_chars (swap_buf [i]); 2531 scr_remap_chars (swap_buf [i]);
2505 } 2532 }
2506} 2533}
2507 2534
2508void 2535void ecb_cold
2509rxvt_term::scr_recolour () NOTHROW 2536rxvt_term::scr_recolour (bool refresh) NOTHROW
2510{ 2537{
2511#ifdef HAVE_BG_PIXMAP 2538 bool transparent = false;
2512 bgPixmap.apply ();
2513#else
2514 2539
2540#ifdef HAVE_IMG
2541 if (bg_img != 0)
2542 {
2543# if ENABLE_TRANSPARENCY
2544 if (bg_flags & BG_IS_TRANSPARENT)
2545 {
2546 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2547 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2548
2549 transparent = true;
2550 }
2551 else
2552# endif
2553 {
2554 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2555 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2556 }
2557 }
2558 else
2559#endif
2560 {
2515 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2561 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2516 XClearWindow (dpy, parent[0]);
2517 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2562 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2563 }
2564
2565 XClearWindow (dpy, parent);
2518 2566
2519 if (scrollBar.win) 2567 if (scrollBar.win)
2520 { 2568 {
2569 if (transparent)
2570 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2571 else
2521 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2572 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2522 scrollBar.state = STATE_IDLE; 2573 scrollBar.state = SB_STATE_IDLE;
2523 scrollBar.show (0); 2574 scrollBar.show (0);
2524 } 2575 }
2525 2576
2526#endif 2577 if (refresh)
2527 2578 {
2528 /* bgPixmap.apply () does not do the following : */
2529 scr_clear (); 2579 scr_clear ();
2530 scr_touch (true); 2580 scr_touch (true);
2581 }
2531 want_refresh = 1; 2582 want_refresh = 1;
2532} 2583}
2533 2584
2534/* ------------------------------------------------------------------------- */ 2585/* ------------------------------------------------------------------------- */
2535void 2586void
2592 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2643 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2593 srp[col] ^= rstyle; 2644 srp[col] ^= rstyle;
2594} 2645}
2595 2646
2596/* ------------------------------------------------------------------------- */ 2647/* ------------------------------------------------------------------------- */
2597void 2648void ecb_hot
2598rxvt_term::scr_reverse_selection () NOTHROW 2649rxvt_term::scr_reverse_selection () NOTHROW
2599{ 2650{
2600 if (selection.op 2651 if (selection.op
2601 && current_screen == selection.screen 2652 && current_screen == selection.screen
2602 && selection.end.row >= view_start) 2653 && selection.end.row >= view_start)
2621 */ 2672 */
2622#if 0 2673#if 0
2623void 2674void
2624rxvt_term::scr_dump (int fd) NOTHROW 2675rxvt_term::scr_dump (int fd) NOTHROW
2625{ 2676{
2626 int row, wrote; 2677 // if this method is needed, it can be implemented by factoring the
2627 unsigned int width, towrite; 2678 // 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} 2679}
2647#endif 2680#endif
2648 2681
2649/* ------------------------------------------------------------------------- * 2682/* ------------------------------------------------------------------------- *
2650 * CHARACTER SELECTION * 2683 * CHARACTER SELECTION *
2651 * ------------------------------------------------------------------------- */ 2684 * ------------------------------------------------------------------------- */
2652void 2685void
2653rxvt_term::selection_check (int check_more) NOTHROW 2686rxvt_term::selection_check (int check_more) NOTHROW
2654{ 2687{
2655 row_col_t pos;
2656
2657 if (!selection.op) 2688 if (!selection.op)
2658 return; 2689 return;
2659 2690
2660 pos.row = pos.col = 0;
2661 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2691 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2662 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2692 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2663 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2693 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2664 || (check_more == 1 2694 || (check_more == 1
2665 && current_screen == selection.screen 2695 && current_screen == selection.screen
2666 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2696 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2667 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2697 && 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 (); 2698 CLEAR_ALL_SELECTION ();
2677} 2699}
2678 2700
2679/* ------------------------------------------------------------------------- */ 2701/* ------------------------------------------------------------------------- */
2680/* 2702/*
2681 * Paste a selection direct to the command fd 2703 * Paste a selection direct to the command fd
2682 */ 2704 */
2683void 2705void
2684rxvt_term::paste (char *data, unsigned int len) NOTHROW 2706rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2685{ 2707{
2686 /* convert normal newline chars into common keyboard Return key sequence */ 2708 /* convert normal newline chars into common keyboard Return key sequence */
2687 for (unsigned int i = 0; i < len; i++) 2709 for (unsigned int i = 0; i < len; i++)
2688 if (data[i] == C0_LF) 2710 if (data[i] == C0_LF)
2689 data[i] = C0_CR; 2711 data[i] = C0_CR;
2690 2712
2691 if (priv_modes & PrivMode_BracketPaste) 2713 if (priv_modes & PrivMode_BracketPaste)
2692 tt_printf ("\e[200~"); 2714 tt_printf ("\x1b[200~");
2693 2715
2694 tt_write (data, len); 2716 tt_write (data, len);
2695 2717
2696 if (priv_modes & PrivMode_BracketPaste) 2718 if (priv_modes & PrivMode_BracketPaste)
2697 tt_printf ("\e[201~"); 2719 tt_printf ("\x1b[201~");
2698} 2720}
2699 2721
2700/* ------------------------------------------------------------------------- */
2701/*
2702 * Respond to a notification that a primary selection has been sent
2703 * EXT: SelectionNotify
2704 */
2705void 2722void
2706rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW 2723rxvt_term::paste (char *data, unsigned int len) NOTHROW
2707{ 2724{
2708 if (prop == None) /* check for failed XConvertSelection */ 2725 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2709 {
2710 if ((selection_type & Sel_CompoundText))
2711 {
2712 int selnum = selection_type & Sel_whereMask;
2713
2714 selection_type = 0;
2715 if (selnum != Sel_direct)
2716 selection_request_other (XA_STRING, selnum);
2717 }
2718
2719 if ((selection_type & Sel_UTF8String))
2720 {
2721 int selnum = selection_type & Sel_whereMask;
2722
2723 selection_type = Sel_CompoundText;
2724 if (selnum != Sel_direct)
2725 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2726 else
2727 selection_type = 0;
2728 }
2729
2730 return;
2731 }
2732
2733 unsigned long bytes_after;
2734 XTextProperty ct;
2735
2736 if (XGetWindowProperty (dpy, win, prop,
2737 0, PROP_SIZE / 4,
2738 delete_prop, AnyPropertyType,
2739 &ct.encoding, &ct.format,
2740 &ct.nitems, &bytes_after,
2741 &ct.value) != Success)
2742 {
2743 ct.value = 0;
2744 goto bailout;
2745 }
2746
2747 if (ct.encoding == None)
2748 goto bailout;
2749
2750 if (bytes_after)
2751 {
2752 // fetch and append remaining data
2753 XTextProperty ct2;
2754
2755 if (XGetWindowProperty (dpy, win, prop,
2756 ct.nitems / 4, (bytes_after + 3) / 4,
2757 delete_prop, AnyPropertyType,
2758 &ct2.encoding, &ct2.format,
2759 &ct2.nitems, &bytes_after,
2760 &ct2.value) != Success)
2761 goto bailout;
2762
2763 // realloc should be compatible to XFree, here, and elsewhere, too
2764 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2765 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2766 ct.nitems += ct2.nitems;
2767
2768 XFree (ct2.value);
2769 }
2770
2771 if (ct.value == 0)
2772 goto bailout;
2773
2774 if (ct.encoding == xa[XA_INCR])
2775 {
2776 // INCR selection, start handshake
2777 if (!delete_prop)
2778 XDeleteProperty (dpy, win, prop);
2779
2780 selection_wait = Sel_incr;
2781 incr_buf_fill = 0;
2782 incr_ev.start (10);
2783
2784 goto bailout;
2785 }
2786
2787 if (ct.nitems == 0)
2788 {
2789 if (selection_wait == Sel_incr)
2790 {
2791 XFree (ct.value);
2792
2793 // finally complete, now paste the whole thing
2794 selection_wait = Sel_normal;
2795 ct.value = (unsigned char *)incr_buf;
2796 ct.nitems = incr_buf_fill;
2797 incr_buf = 0;
2798 incr_buf_size = 0;
2799 incr_ev.stop ();
2800 }
2801 else
2802 {
2803 if (selection_wait == Sel_normal
2804 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2805 {
2806 /*
2807 * pass through again trying CUT_BUFFER0 if we've come from
2808 * XConvertSelection () but nothing was presented
2809 */
2810 selection_paste (display->root, XA_CUT_BUFFER0, False);
2811 }
2812
2813 goto bailout;
2814 }
2815 }
2816 else if (selection_wait == Sel_incr)
2817 {
2818 incr_ev.start (10);
2819
2820 while (incr_buf_fill + ct.nitems > incr_buf_size)
2821 {
2822 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2823 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2824 }
2825
2826 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2827 incr_buf_fill += ct.nitems;
2828
2829 goto bailout;
2830 }
2831
2832 char **cl;
2833 int cr;
2834
2835#if !ENABLE_MINIMAL
2836 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2837 // so recode it manually
2838 if (ct.encoding == xa[XA_UTF8_STRING])
2839 {
2840 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2841 char *s = rxvt_wcstombs (w);
2842 free (w);
2843 // TODO: strlen == only the first element will be converted. well...
2844 paste (s, strlen (s));
2845 free (s);
2846 }
2847 else
2848#endif
2849 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2850 && cl)
2851 {
2852 for (int i = 0; i < cr; i++)
2853 paste (cl[i], strlen (cl[i]));
2854
2855 XFreeStringList (cl);
2856 }
2857 else
2858 paste ((char *)ct.value, ct.nitems); // paste raw
2859
2860bailout:
2861 XFree (ct.value);
2862
2863 if (selection_wait == Sel_normal)
2864 selection_wait = Sel_none;
2865}
2866
2867void
2868rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2869{
2870 selection_wait = Sel_none;
2871
2872 incr_buf_size = 0;
2873 free (incr_buf);
2874
2875 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2876}
2877
2878void
2879rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2880{
2881 if (prop == None || selection_wait != Sel_incr)
2882 return; 2726 return;
2883 2727
2884 selection_paste (win, prop, true); 2728 tt_paste (data, len);
2885} 2729}
2886 2730
2887/* ------------------------------------------------------------------------- */ 2731/* ------------------------------------------------------------------------- */
2888/* 2732/*
2889 * Request the current selection: 2733 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2890 * Order: > internal selection if available 2734 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2891 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2735 * as fallback
2892 * > CUT_BUFFER0
2893 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2894 * will auto fallback to CUT_BUFFER0
2895 * EXT: button 2 release 2736 * EXT: button 2 release
2896 */ 2737 */
2897void 2738void
2898rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2739rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2899{ 2740{
2900 if (selection.text && selnum == Sel_Primary) 2741 if (!selection_req)
2901 {
2902 /* internal selection */
2903 char *str = rxvt_wcstombs (selection.text, selection.len);
2904 paste (str, strlen (str));
2905 free (str);
2906 return;
2907 } 2742 {
2908 else 2743 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2744 selection_req->run ();
2909 { 2745 }
2910 selection_request_time = tm;
2911 selection_wait = Sel_normal;
2912
2913#if X_HAVE_UTF8_STRING
2914 selection_type = Sel_UTF8String;
2915 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2916 return;
2917#else
2918 selection_type = Sel_CompoundText;
2919 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2920 return;
2921#endif
2922 }
2923
2924 selection_wait = Sel_none; /* don't loop in selection_paste () */
2925 selection_paste (display->root, XA_CUT_BUFFER0, false);
2926}
2927
2928int
2929rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2930{
2931 Atom sel;
2932
2933 selection_type |= selnum;
2934
2935 if (selnum == Sel_Primary)
2936 sel = XA_PRIMARY;
2937 else if (selnum == Sel_Secondary)
2938 sel = XA_SECONDARY;
2939 else
2940 sel = xa[XA_CLIPBOARD];
2941
2942 if (XGetSelectionOwner (dpy, sel) != None)
2943 {
2944 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2945 vt, selection_request_time);
2946 return 1;
2947 }
2948
2949 return 0;
2950} 2746}
2951 2747
2952/* ------------------------------------------------------------------------- */ 2748/* ------------------------------------------------------------------------- */
2953/* 2749/*
2954 * Clear all selected text 2750 * Clear all selected text
2985 * EXT: button 1 or 3 release 2781 * EXT: button 1 or 3 release
2986 */ 2782 */
2987void 2783void
2988rxvt_term::selection_make (Time tm) 2784rxvt_term::selection_make (Time tm)
2989{ 2785{
2990 int i; 2786 int size;
2991 wchar_t *new_selection_text; 2787 wchar_t *new_selection_text;
2992 text_t *t; 2788 text_t *t;
2993 2789
2994 switch (selection.op) 2790 switch (selection.op)
2995 { 2791 {
3011 return; /* nothing selected, go away */ 2807 return; /* nothing selected, go away */
3012 2808
3013 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2809 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3014 return; 2810 return;
3015 2811
3016 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2812 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3017 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2813 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3018 2814
3019 int ofs = 0; 2815 int ofs = 0;
3020 int extra = 0; 2816 int extra = 0;
3021 2817
3022 int col = selection.beg.col; 2818 int col = selection.beg.col;
3028 { 2824 {
3029#if !ENABLE_MINIMAL 2825#if !ENABLE_MINIMAL
3030 if (selection.rect) 2826 if (selection.rect)
3031 { 2827 {
3032 col = selection.beg.col; 2828 col = selection.beg.col;
3033 end_col = ncol + 1; 2829 end_col = selection.end.col;
3034 } 2830 }
3035 else 2831 else
3036#endif 2832#endif
3037 end_col = ROW(row).l; 2833 end_col = ROW(row).l;
3038 2834
3039 col = max (col, 0); 2835 col = max (col, 0);
3040 2836
3041 if (row == selection.end.row 2837 if (row == selection.end.row)
3042#if !ENABLE_MINIMAL
3043 || selection.rect
3044#endif
3045 )
3046 min_it (end_col, selection.end.col); 2838 min_it (end_col, selection.end.col);
3047 2839
3048 t = ROW(row).t + col; 2840 t = ROW(row).t + col;
3049 2841
3050 for (; col < end_col; col++) 2842 for (; col < end_col; col++)
3058 2850
3059 extra -= (len - 1); 2851 extra -= (len - 1);
3060 2852
3061 if (extra < 0) 2853 if (extra < 0)
3062 { 2854 {
3063 extra += i; 2855 extra += size;
3064 i += i; 2856 size += size;
3065 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2857 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3066 } 2858 }
3067 2859
3068 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2860 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3069 } 2861 }
3070#endif 2862#endif
3082 2874
3083 new_selection_text[ofs++] = C0_LF; 2875 new_selection_text[ofs++] = C0_LF;
3084 } 2876 }
3085 else 2877 else
3086#endif 2878#endif
3087 if (!ROW(row).is_longer () && row != selection.end.row) 2879 if (!ROW(row).is_longer ()
2880 && (row != selection.end.row || end_col != selection.end.col)
2881 && (row != selection.beg.row || selection.beg.col < ncol))
3088 new_selection_text[ofs++] = C0_LF; 2882 new_selection_text[ofs++] = C0_LF;
3089 } 2883 }
3090
3091 if (end_col != selection.end.col)
3092 new_selection_text[ofs++] = C0_LF;
3093 2884
3094 new_selection_text[ofs] = 0; 2885 new_selection_text[ofs] = 0;
3095 2886
3096 if (ofs == 0) 2887 if (ofs == 0)
3097 { 2888 {
3153/* ------------------------------------------------------------------------- */ 2944/* ------------------------------------------------------------------------- */
3154/* 2945/*
3155 * Mark or select text based upon number of clicks: 1, 2, or 3 2946 * Mark or select text based upon number of clicks: 1, 2, or 3
3156 * EXT: button 1 press 2947 * EXT: button 1 press
3157 */ 2948 */
3158void 2949void ecb_cold
3159rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2950rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3160{ 2951{
3161 clicks = ((clicks - 1) % 3) + 1; 2952 clicks = ((clicks - 1) % 3) + 1;
3162 selection.clicks = clicks; /* save clicks so extend will work */ 2953 selection.clicks = clicks; /* save clicks so extend will work */
3163 2954
3182 2973
3183/* ------------------------------------------------------------------------- */ 2974/* ------------------------------------------------------------------------- */
3184/* 2975/*
3185 * Mark a selection at the specified col/row 2976 * Mark a selection at the specified col/row
3186 */ 2977 */
3187void 2978void ecb_cold
3188rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2979rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3189{ 2980{
3190 want_refresh = 1; 2981 want_refresh = 1;
3191 2982
3192 selection.mark.row = row + view_start; 2983 selection.mark.row = row + view_start;
3219/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3010/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3220#define DELIMIT_TEXT(x) \ 3011#define DELIMIT_TEXT(x) \
3221 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3012 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3222#define DELIMIT_REND(x) 1 3013#define DELIMIT_REND(x) 1
3223 3014
3224void 3015void ecb_cold
3225rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3016rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3226{ 3017{
3227 int col, row, dirnadd, tcol, trow, w1, w2; 3018 int col, row, dirnadd, tcol, trow, w1, w2;
3228 row_col_t bound; 3019 row_col_t bound;
3229 text_t *stp; 3020 text_t *stp;
3303 * EXT: button 3 press; button 1 or 3 drag 3094 * EXT: button 3 press; button 1 or 3 drag
3304 * flag == 0 ==> button 1 3095 * flag == 0 ==> button 1
3305 * flag == 1 ==> button 3 press 3096 * flag == 1 ==> button 3 press
3306 * flag == 2 ==> button 3 motion 3097 * flag == 2 ==> button 3 motion
3307 */ 3098 */
3308void 3099void ecb_cold
3309rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3100rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3310{ 3101{
3311 int col = clamp (Pixel2Col (x), 0, ncol); 3102 int col = clamp (Pixel2Col (x), 0, ncol);
3312 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3103 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3313 3104
3339 3130
3340/* ------------------------------------------------------------------------- */ 3131/* ------------------------------------------------------------------------- */
3341/* 3132/*
3342 * Extend the selection to the specified col/row 3133 * Extend the selection to the specified col/row
3343 */ 3134 */
3344void 3135void ecb_cold
3345rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3136rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3346{ 3137{
3347 row_col_t pos; 3138 row_col_t pos;
3348 enum { 3139 enum {
3349 LEFT, RIGHT 3140 LEFT, RIGHT
3540 ::swap (selection.beg.col, selection.end.col); 3331 ::swap (selection.beg.col, selection.end.col);
3541#endif 3332#endif
3542} 3333}
3543 3334
3544#if !ENABLE_MINIMAL 3335#if !ENABLE_MINIMAL
3545void 3336void ecb_cold
3546rxvt_term::selection_remove_trailing_spaces () NOTHROW 3337rxvt_term::selection_remove_trailing_spaces () NOTHROW
3547{ 3338{
3548 int32_t end_col, end_row; 3339 int32_t end_col, end_row;
3549 text_t *stp; 3340 text_t *stp;
3550 3341
3588/* ------------------------------------------------------------------------- */ 3379/* ------------------------------------------------------------------------- */
3589/* 3380/*
3590 * Double click on button 3 when already selected 3381 * Double click on button 3 when already selected
3591 * EXT: button 3 double click 3382 * EXT: button 3 double click
3592 */ 3383 */
3593void 3384void ecb_cold
3594rxvt_term::selection_rotate (int x, int y) NOTHROW 3385rxvt_term::selection_rotate (int x, int y) NOTHROW
3595{ 3386{
3596 selection.clicks = selection.clicks % 3 + 1; 3387 selection.clicks = selection.clicks % 3 + 1;
3597 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3388 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3598} 3389}
3600/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3601/* 3392/*
3602 * Respond to a request for our current selection 3393 * Respond to a request for our current selection
3603 * EXT: SelectionRequest 3394 * EXT: SelectionRequest
3604 */ 3395 */
3605void 3396void ecb_cold
3606rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3397rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3607{ 3398{
3399 Atom property = rq.property == None ? rq.target : rq.property;
3608 XSelectionEvent ev; 3400 XSelectionEvent ev;
3609 3401
3610 ev.type = SelectionNotify; 3402 ev.type = SelectionNotify;
3611 ev.property = None; 3403 ev.property = None;
3612 ev.display = rq.display; 3404 ev.display = rq.display;
3627 *target++ = xa[XA_COMPOUND_TEXT]; 3419 *target++ = xa[XA_COMPOUND_TEXT];
3628#if X_HAVE_UTF8_STRING 3420#if X_HAVE_UTF8_STRING
3629 *target++ = xa[XA_UTF8_STRING]; 3421 *target++ = xa[XA_UTF8_STRING];
3630#endif 3422#endif
3631 3423
3632 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3424 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3633 32, PropModeReplace, 3425 32, PropModeReplace,
3634 (unsigned char *)target_list, target - target_list); 3426 (unsigned char *)target_list, target - target_list);
3635 ev.property = rq.property; 3427 ev.property = property;
3636 } 3428 }
3637#if TODO // TODO 3429#if TODO // TODO
3638 else if (rq.target == xa[XA_MULTIPLE]) 3430 else if (rq.target == xa[XA_MULTIPLE])
3639 { 3431 {
3640 /* TODO: Handle MULTIPLE */ 3432 /* TODO: Handle MULTIPLE */
3641 } 3433 }
3642#endif 3434#endif
3643 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3435 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3644 { 3436 {
3645 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3437 XChangeProperty (dpy, rq.requestor, property, rq.target,
3646 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3438 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3647 ev.property = rq.property; 3439 ev.property = property;
3648 } 3440 }
3649 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3650 { 3442 {
3651 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3652 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3444 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3653 ev.property = rq.property; 3445 ev.property = property;
3654 } 3446 }
3655 else if (rq.target == XA_STRING 3447 else if (rq.target == XA_STRING
3656 || rq.target == xa[XA_TEXT] 3448 || rq.target == xa[XA_TEXT]
3657 || rq.target == xa[XA_COMPOUND_TEXT] 3449 || rq.target == xa[XA_COMPOUND_TEXT]
3658 || rq.target == xa[XA_UTF8_STRING] 3450 || rq.target == xa[XA_UTF8_STRING]
3729 ct.value = (unsigned char *)cl; 3521 ct.value = (unsigned char *)cl;
3730 ct.nitems = selectlen; 3522 ct.nitems = selectlen;
3731 ct.encoding = target; 3523 ct.encoding = target;
3732 } 3524 }
3733 3525
3734 XChangeProperty (dpy, rq.requestor, rq.property, 3526 XChangeProperty (dpy, rq.requestor, property,
3735 ct.encoding, 8, PropModeReplace, 3527 ct.encoding, 8, PropModeReplace,
3736 ct.value, (int)ct.nitems); 3528 ct.value, (int)ct.nitems);
3737 ev.property = rq.property; 3529 ev.property = property;
3738 3530
3739 if (freect) 3531 if (freect)
3740 XFree (ct.value); 3532 XFree (ct.value);
3741 } 3533 }
3742 3534
3743 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3535 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3744} 3536}
3745 3537
3746/* ------------------------------------------------------------------------- */ 3538/* ------------------------------------------------------------------------- */
3747#ifdef USE_XIM 3539#if USE_XIM
3748void 3540void ecb_cold
3749rxvt_term::im_set_position (XPoint &pos) NOTHROW 3541rxvt_term::im_set_position (XPoint &pos) NOTHROW
3750{ 3542{
3751 XWindowAttributes xwa; 3543 XWindowAttributes xwa;
3752 3544
3753 XGetWindowAttributes (dpy, vt, &xwa); 3545 XGetWindowAttributes (dpy, vt, &xwa);

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