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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.346 by sf-exg, Mon Jul 26 09:57:53 2010 UTC vs.
Revision 1.422 by root, Thu Jun 28 15:19:15 2012 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 separate 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 line_t *prev_drawn_buf = drawn_buf;
231 line_t *prev_swap_buf = swap_buf;
232 line_t *prev_row_buf = row_buf;
233
234 int common_col = min (prev_ncol, ncol);
235
236 scr_alloc ();
237
193 if (!row_buf) 238 if (!prev_row_buf)
194 { 239 {
195 /* 240 /*
196 * first time called so just malloc everything: don't rely on realloc 241 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
197 */ 242 */
198 top_row = 0; 243 top_row = 0;
199 term_start = 0; 244 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 }
214 245
215 memset (charsets, 'B', sizeof (charsets)); 246 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 247 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 248 screen.flags = Screen_DefaultFlags;
218 screen.cur.row = screen.cur.col = 0; 249 screen.cur.row = screen.cur.col = 0;
241 { 272 {
242 /* 273 /*
243 * add or delete rows as appropriate 274 * add or delete rows as appropriate
244 */ 275 */
245 276
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--; ) 277 for (int row = min (nrow, prev_nrow); row--; )
264 { 278 {
265 lresize (drawn_buf[row]); 279 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
266 lresize (swap_buf [row]); 280 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
267 }
268 281
269 for (int row = prev_nrow; row < nrow; row++) 282 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
283 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
284 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
285 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
270 { 286 }
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));
277 287
278 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 288 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279 int pend = MOD (term_start + top_row , prev_total_rows); 289 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row 290 int q = total_rows; // rewrapped row
281 291
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 299 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290 300
291 do 301 do
292 { 302 {
293 p = MOD (p - 1, prev_total_rows); 303 p = MOD (p - 1, prev_total_rows);
294 assert (old_buf [MOD (p, prev_total_rows)].t); 304 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295 int plines = 1; 305 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 306 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297 307
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 308 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299 { 309 {
300 p = MOD (p - 1, prev_total_rows); 310 p = MOD (p - 1, prev_total_rows);
301 311
302 plines++; 312 plines++;
303 llen += prev_ncol; 313 llen += prev_ncol;
316 326
317 // re-assemble the full line by destination lines 327 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 328 for (int qrow = q; qlines--; qrow++)
319 { 329 {
320 qline = row_buf + qrow; 330 qline = row_buf + qrow;
321 lalloc (*qline); 331 qline->alloc (); // redundant with next line
322 qline->l = ncol; 332 qline->l = ncol;
323 qline->is_longer (1); 333 qline->is_longer (1);
324 334
325 int qcol = 0; 335 int qcol = 0;
326 336
341 // this seems to upset applications/shells/readline 351 // this seems to upset applications/shells/readline
342 // least. 352 // least.
343 if (prow == ocur.row) 353 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow); 354 screen.cur.row = q - (total_rows - nrow);
345 355
346 line_t &pline = old_buf [prow]; 356 line_t &pline = prev_row_buf [prow];
347 357
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 358 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349 359
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 360 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 361 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
372 { 382 {
373 // if no scrollback exists (yet), wing, instead of wrap 383 // if no scrollback exists (yet), wing, instead of wrap
374 384
375 for (int row = min (nrow, prev_nrow); row--; ) 385 for (int row = min (nrow, prev_nrow); row--; )
376 { 386 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 387 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378 line_t &qline = row_buf [row]; 388 line_t &dst = row_buf [row];
379 389
380 qline = pline; 390 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
381 lresize (qline); 391
392 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
393 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
382 } 394 }
383 395
384 for (int row = prev_nrow; row < nrow; row++) 396 for (int row = prev_nrow; row < nrow; row++)
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 397 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 }
388 398
389 term_start = 0; 399 term_start = 0;
390 } 400 }
391
392 free (old_buf);
393 delete old_ta;
394 delete old_ra;
395 401
396 clamp_it (screen.cur.row, 0, nrow - 1); 402 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1); 403 clamp_it (screen.cur.col, 0, ncol - 1);
398 } 404 }
399 405
406 for (int row = nrow; row--; )
407 {
408 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
409 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
410 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
411 }
412
413 free (prev_chunk);
414
400 free (tabs); 415 free (tabs);
401 tabs = (char *)rxvt_malloc (ncol); 416 tabs = (char *)rxvt_malloc (ncol);
402 417
403 for (int col = ncol; --col; ) 418 for (int col = ncol; col--; )
404 tabs [col] = col % TABSIZE == 0; 419 tabs [col] = col % TABSIZE == 0;
405 420
406 CLEAR_ALL_SELECTION (); 421 CLEAR_ALL_SELECTION ();
407 422
408 prev_nrow = nrow; 423 prev_nrow = nrow;
411 tt_winch (); 426 tt_winch ();
412 427
413 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 428 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414} 429}
415 430
416/* ------------------------------------------------------------------------- */ 431void ecb_cold
417/*
418 * Free everything. That way malloc debugging can find leakage.
419 */
420void
421rxvt_term::scr_release () NOTHROW 432rxvt_term::scr_release () NOTHROW
422{ 433{
423 if (row_buf) 434 chunk_free (chunk, chunk_size);
424 { 435 chunk = 0;
425 delete talloc; talloc = 0; 436 row_buf = 0;
426 delete ralloc; ralloc = 0;
427 437
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); 438 free (tabs);
434 tabs = 0; 439 tabs = 0;
435 }
436} 440}
437 441
438/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
439/* 443/*
440 * Hard/Soft reset 444 * Hard/Soft reset
441 */ 445 */
442void 446void ecb_cold
443rxvt_term::scr_poweron () 447rxvt_term::scr_poweron ()
444{ 448{
445 scr_release (); 449 scr_release ();
450
446 prev_nrow = prev_ncol = 0; 451 prev_nrow = prev_ncol = 0;
447 rvideo_mode = false; 452 rvideo_mode = false;
448 scr_soft_reset (); 453 scr_soft_reset ();
449 scr_reset (); 454 scr_reset ();
450 455
451 scr_clear (true); 456 scr_clear (true);
452 scr_refresh (); 457 scr_refresh ();
453} 458}
454 459
455void 460void ecb_cold
456rxvt_term::scr_soft_reset () 461rxvt_term::scr_soft_reset () NOTHROW
457{ 462{
458 /* only affects modes, nothing drastic such as clearing the screen */ 463 /* only affects modes, nothing drastic such as clearing the screen */
459#if ENABLE_OVERLAY 464#if ENABLE_OVERLAY
460 scr_overlay_off (); 465 scr_overlay_off ();
461#endif 466#endif
516 assert (s->cur.row >= 0); 521 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 522 assert (s->cur.col >= 0);
518} 523}
519 524
520void 525void
521rxvt_term::scr_swap_screen () 526rxvt_term::scr_swap_screen () NOTHROW
522{ 527{
523 if (!option (Opt_secondaryScreen)) 528 if (!option (Opt_secondaryScreen))
524 return; 529 return;
525 530
526 for (int i = prev_nrow; i--; ) 531 for (int i = prev_nrow; i--; )
545 return; 550 return;
546 551
547 want_refresh = 1; 552 want_refresh = 1;
548 view_start = 0; 553 view_start = 0;
549 554
550 selection_check (2); /* check for boundary cross */ 555 /* check for boundary cross */
556 row_col_t pos;
557 pos.row = pos.col = 0;
558 if (ROWCOL_IS_BEFORE (selection.beg, pos)
559 && ROWCOL_IS_AFTER (selection.end, pos))
560 CLEAR_SELECTION ();
551 561
552 current_screen = scrn; 562 current_screen = scrn;
553 563
554#if NSCREENS 564#if NSCREENS
555 if (option (Opt_secondaryScreen)) 565 if (option (Opt_secondaryScreen))
621/* 631/*
622 * Scroll text between <row1> and <row2> inclusive, by <count> lines 632 * Scroll text between <row1> and <row2> inclusive, by <count> lines
623 * count positive ==> scroll up 633 * count positive ==> scroll up
624 * count negative ==> scroll down 634 * count negative ==> scroll down
625 */ 635 */
626int 636int ecb_hot
627rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 637rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628{ 638{
629 if (count == 0 || (row1 > row2)) 639 if (count == 0 || (row1 > row2))
630 return 0; 640 return 0;
631 641
634 644
635 if (count > 0 645 if (count > 0
636 && row1 == 0 646 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 647 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 { 648 {
649 min_it (count, total_rows - (nrow - (row2 + 1)));
650
639 top_row = max (top_row - count, -saveLines); 651 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643 652
644 // sever bottommost line 653 // sever bottommost line
645 { 654 {
646 line_t &l = ROW(row2 - count); 655 line_t &l = ROW(row2);
647 l.is_longer (0); 656 l.is_longer (0);
648 l.touch (); 657 l.touch ();
649 } 658 }
650 659
660 // scroll everything up 'count' lines
661 term_start = (term_start + count) % total_rows;
662
663 // now copy lines below the scroll region bottom to the
664 // bottom of the screen again, so they look as if they
665 // hadn't moved.
666 for (int i = nrow; --i > row2; )
667 {
668 line_t &l1 = ROW(i - count);
669 line_t &l2 = ROW(i);
670
671 ::swap (l1, l2);
672 l2.touch ();
673 }
674
651 // erase newly scrolled-in lines 675 // erase newly scrolled-in lines
652 for (int i = count; i--; ) 676 for (int i = count; i--; )
653 { 677 {
654 line_t &l = ROW(nrow - 1 - i); 678 line_t &l = ROW(row2 - i);
655 679
656 // optimize if already cleared, can be significant on slow machines 680 // optimise if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem 681 // 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))) 682 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 { 683 {
660 scr_blank_line (l, 0, l.l, rstyle); 684 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0; 685 l.l = 0;
663 } 687 }
664 else 688 else
665 scr_blank_screen_mem (l, rstyle); 689 scr_blank_screen_mem (l, rstyle);
666 } 690 }
667 691
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 692 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen) 693 if (selection.op && current_screen == selection.screen
694 && selection.beg.row <= row2)
682 { 695 {
683 selection.beg.row -= count; 696 selection.beg.row -= count;
684 selection.end.row -= count; 697 selection.end.row -= count;
685 selection.mark.row -= count; 698 selection.mark.row -= count;
686 699
687 if (selection.beg.row < top_row 700 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 } 701 }
695 702
696 // finally move the view window, if desired 703 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer) 704 if (option (Opt_scrollWithBuffer)
698 && view_start != 0 705 && view_start != 0
728 } 735 }
729 736
730 // use a simple and robust scrolling algorithm, this 737 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical. 738 // part of scr_scroll_text is not time-critical.
732 739
740 // sever line above scroll region
741 if (row1)
742 {
743 line_t &l = ROW(row1 - 1);
744 l.is_longer (0);
745 l.touch ();
746 }
747
733 int rows = row2 - row1 + 1; 748 int rows = row2 - row1 + 1;
734 749
735 min_it (count, rows); 750 min_it (count, rows);
736 751
737 line_t *temp_buf = row_buf + total_rows; 752 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738 753
739 for (int row = 0; row < rows; row++) 754 for (int row = 0; row < rows; row++)
740 { 755 {
741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 756 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742 757
744 scr_blank_screen_mem (temp_buf [row], rstyle); 759 scr_blank_screen_mem (temp_buf [row], rstyle);
745 } 760 }
746 761
747 for (int row = 0; row < rows; row++) 762 for (int row = 0; row < rows; row++)
748 ROW(row1 + row) = temp_buf [row]; 763 ROW(row1 + row) = temp_buf [row];
764
765 // sever bottommost line
766 {
767 line_t &l = ROW(row2);
768 l.is_longer (0);
769 l.touch ();
770 }
749 } 771 }
750 772
751 return count; 773 return count;
752} 774}
753 775
754/* ------------------------------------------------------------------------- */ 776/* ------------------------------------------------------------------------- */
755/* 777/*
756 * Add text given in <str> of length <len> to screen struct 778 * Add text given in <str> of length <len> to screen struct
757 */ 779 */
758void 780void ecb_hot
759rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 781rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760{ 782{
761 if (len <= 0) /* sanity */ 783 if (len <= 0) /* sanity */
762 return; 784 return;
763 785
764 unsigned char checksel; 786 bool checksel;
765 unicode_t c; 787 unicode_t c;
766 int ncol = this->ncol; 788 int ncol = this->ncol;
767 const wchar_t *strend = str + len; 789 const wchar_t *strend = str + len;
768 790
769 want_refresh = 1; 791 want_refresh = 1;
795 817
796 while (str < strend) 818 while (str < strend)
797 { 819 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 820 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 821
800 if (expect_false (c < 0x20)) 822 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 823 if (c == C0_LF)
802 { 824 {
803 max_it (line->l, screen.cur.col); 825 max_it (line->l, screen.cur.col);
804 826
805 screen.flags &= ~Screen_WrapNext; 827 screen.flags &= ~Screen_WrapNext;
824 { 846 {
825 scr_tab (1, true); 847 scr_tab (1, true);
826 continue; 848 continue;
827 } 849 }
828 850
829 if (expect_false ( 851 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 852 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 853 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 854 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 855 ))
834 { 856 {
839 * should be a similar check. 861 * should be a similar check.
840 */ 862 */
841 CLEAR_SELECTION (); 863 CLEAR_SELECTION ();
842 } 864 }
843 865
844 if (expect_false (screen.flags & Screen_WrapNext)) 866 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 867 {
846 scr_do_wrap (); 868 scr_do_wrap ();
847 869
848 line->l = ncol; 870 line->l = ncol;
849 line->is_longer (1); 871 line->is_longer (1);
851 row = screen.cur.row; 873 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 874 line = &ROW(row); /* _must_ refresh */
853 } 875 }
854 876
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 877 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 878 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 879 c = 0xfffd;
858 880
859 // rely on wcwidth to tell us the character width, do wcwidth before 881 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line 882 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 883 // drawing characters below as they might be invalid in the current
862 // locale. 884 // locale.
863 int width = WCWIDTH (c); 885 int width = WCWIDTH (c);
864 886
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 887 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 888 {
867 // vt100 special graphics and line drawing 889 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 890 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 891 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 892 static uint16_t vt100_0[62] = { // 41 .. 7e
883 c = vt100_0[c - 0x41]; 905 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 906 width = 1; // vt100 line drawing characters are always single-width
885 } 907 }
886 } 908 }
887 909
888 if (expect_false (screen.flags & Screen_Insert)) 910 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 911 scr_insdel_chars (width, INSERT);
890 912
891 if (width != 0) 913 if (width != 0)
892 { 914 {
893#if !UNICODE_3 915#if !UNICODE_3
898# else 920# else
899 c = 0xfffd; 921 c = 0xfffd;
900# endif 922# endif
901#endif 923#endif
902 924
925 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
926
927 // if the character doesn't fit into the remaining columns...
928 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
929 {
930 if (screen.flags & Screen_Autowrap)
931 {
932 // ... artificially enlargen the previous one
933 c = NOCHAR;
934 // and try the same character next loop iteration
935 --str;
936 }
937 else
938 screen.cur.col = ncol - width;
939 }
940
903 // nuke the character at this position, if required 941 // nuke the character at this position, if required
904 if (expect_false ( 942 // due to wonderful coincidences everywhere else in this loop
943 // we never have to check for overwriting a wide char itself,
944 // only its tail.
905 line->t[screen.cur.col] == NOCHAR 945 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); 946 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 }
921 947
922 line->touch (); 948 line->touch ();
923 949
924 do 950 do
925 { 951 {
926 line->t[screen.cur.col] = c; 952 line->t[screen.cur.col] = c;
927 line->r[screen.cur.col] = rend; 953 line->r[screen.cur.col] = rend;
928 954
929 if (expect_true (screen.cur.col < ncol - 1)) 955 if (ecb_likely (screen.cur.col < ncol - 1))
930 screen.cur.col++; 956 screen.cur.col++;
931 else 957 else
932 { 958 {
933 line->l = ncol; 959 line->l = ncol;
934 if (screen.flags & Screen_Autowrap) 960 if (screen.flags & Screen_Autowrap)
935 screen.flags |= Screen_WrapNext; 961 screen.flags |= Screen_WrapNext;
936 break; 962
963 goto end_of_line;
937 } 964 }
938 965
939 c = NOCHAR; 966 c = NOCHAR;
940 } 967 }
941 while (expect_false (--width > 0)); 968 while (ecb_unlikely (--width > 0));
942 969
943 // pad with spaces when overwriting wide character with smaller one 970 // pad with spaces when overwriting wide character with smaller one
944 if (expect_false (!width)) 971 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
945 { 972 {
946 line->touch ();
947
948 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
949 {
950 line->t[c] = ' '; 973 line->t[c] = ' ';
951 line->r[c] = rend; 974 line->r[c] = rend;
952 }
953 } 975 }
976
977end_of_line:
978 ;
954 } 979 }
955#if ENABLE_COMBINING 980#if ENABLE_COMBINING
956 else // width == 0 981 else // width == 0
957 { 982 {
958 if (c != 0xfeff) // ignore BOM 983 if (c != 0xfeff) // ignore BOM
1021 1046
1022 want_refresh = 1; 1047 want_refresh = 1;
1023#endif 1048#endif
1024 } 1049 }
1025 } 1050 }
1051 else if (screen.flags & Screen_WrapNext)
1052 screen.flags &= ~Screen_WrapNext;
1026 else 1053 else
1027 scr_gotorc (0, -1, RELATIVE); 1054 scr_gotorc (0, -1, RELATIVE);
1028} 1055}
1029 1056
1030/* ------------------------------------------------------------------------- */ 1057/* ------------------------------------------------------------------------- */
1108 * XTERM_SEQ: ESC 6 1135 * XTERM_SEQ: ESC 6
1109 * Move cursor left in row. If we're at the left boundary, shift everything 1136 * Move cursor left in row. If we're at the left boundary, shift everything
1110 * in that row right. Clear left column. 1137 * in that row right. Clear left column.
1111 */ 1138 */
1112#if !ENABLE_MINIMAL 1139#if !ENABLE_MINIMAL
1113void 1140void ecb_cold
1114rxvt_term::scr_backindex () NOTHROW 1141rxvt_term::scr_backindex () NOTHROW
1115{ 1142{
1116 if (screen.cur.col > 0) 1143 if (screen.cur.col > 0)
1117 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1118 else 1145 else
1125 * XTERM_SEQ: ESC 9 1152 * XTERM_SEQ: ESC 9
1126 * Move cursor right in row. If we're at the right boundary, shift everything 1153 * Move cursor right in row. If we're at the right boundary, shift everything
1127 * in that row left. Clear right column. 1154 * in that row left. Clear right column.
1128 */ 1155 */
1129#if !ENABLE_MINIMAL 1156#if !ENABLE_MINIMAL
1130void 1157void ecb_cold
1131rxvt_term::scr_forwardindex () NOTHROW 1158rxvt_term::scr_forwardindex () NOTHROW
1132{ 1159{
1133 if (screen.cur.col < ncol - 1) 1160 if (screen.cur.col < ncol - 1)
1134 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1161 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1135 else 1162 else
1286 scr_blank_line (line, col, num, rstyle); 1313 scr_blank_line (line, col, num, rstyle);
1287} 1314}
1288 1315
1289/* ------------------------------------------------------------------------- */ 1316/* ------------------------------------------------------------------------- */
1290/* 1317/*
1291 * Erase part of whole of the screen 1318 * Erase part or whole of the screen
1292 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1319 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1293 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1320 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1294 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1321 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1295 */ 1322 */
1296void 1323void
1305 ZERO_SCROLLBACK (); 1332 ZERO_SCROLLBACK ();
1306 1333
1307 switch (mode) 1334 switch (mode)
1308 { 1335 {
1309 case 0: /* erase to end of screen */ 1336 case 0: /* erase to end of screen */
1310 selection_check (1);
1311 scr_erase_line (0); 1337 scr_erase_line (0);
1312 row = screen.cur.row + 1; /* possible OOB */ 1338 row = screen.cur.row + 1; /* possible OOB */
1313 num = nrow - row; 1339 num = nrow - row;
1314 break; 1340 break;
1315 case 1: /* erase to beginning of screen */ 1341 case 1: /* erase to beginning of screen */
1316 selection_check (3);
1317 scr_erase_line (1); 1342 scr_erase_line (1);
1318 row = 0; 1343 row = 0;
1319 num = screen.cur.row; 1344 num = screen.cur.row;
1320 break; 1345 break;
1321 case 2: /* erase whole screen */ 1346 case 2: /* erase whole screen */
1322 selection_check (3);
1323 row = 0; 1347 row = 0;
1324 num = nrow; 1348 num = nrow;
1325 break; 1349 break;
1326 default: 1350 default:
1327 return; 1351 return;
1336 if (row >= nrow) /* Out Of Bounds */ 1360 if (row >= nrow) /* Out Of Bounds */
1337 return; 1361 return;
1338 1362
1339 min_it (num, nrow - row); 1363 min_it (num, nrow - row);
1340 1364
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)) 1365 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1345 ren = (rend_t) ~RS_None; 1366 ren = (rend_t) ~RS_None;
1346 else if (GET_BASEBG (rstyle) == Color_bg) 1367 else if (GET_BASEBG (rstyle) == Color_bg)
1347 { 1368 {
1348 ren = DEFAULT_RSTYLE; 1369 ren = DEFAULT_RSTYLE;
1349 1370
1350 if (mapped && !view_start) 1371 if (mapped)
1351 XClearArea (dpy, vt, 0, 1372 XClearArea (dpy, vt, 0,
1352 Row2Pixel (row - view_start), (unsigned int)width, 1373 Row2Pixel (row - view_start), (unsigned int)vt_width,
1353 (unsigned int)Height2Pixel (num), False); 1374 (unsigned int)Height2Pixel (num), False);
1354 } 1375 }
1355 else 1376 else
1356 { 1377 {
1357 ren = rstyle & (RS_fgMask | RS_bgMask); 1378 ren = rstyle & (RS_fgMask | RS_bgMask);
1358 1379
1359 if (mapped && !view_start) 1380 if (mapped)
1360 { 1381 {
1361 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1382 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1362 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1383 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1363 XFillRectangle (dpy, vt, gc, 1384 XFillRectangle (dpy, vt, gc,
1364 0, Row2Pixel (row - view_start), 1385 0, Row2Pixel (row - view_start),
1365 (unsigned int)width, 1386 (unsigned int)vt_width,
1366 (unsigned int)Height2Pixel (num)); 1387 (unsigned int)Height2Pixel (num));
1367 gcvalue.foreground = pix_colors[Color_fg]; 1388 gcvalue.foreground = pix_colors[Color_fg];
1368 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1389 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1369 } 1390 }
1370 } 1391 }
1371 1392
1372 for (; num--; row++) 1393 for (; num--; row++)
1373 { 1394 {
1374 scr_blank_screen_mem (ROW(row), rstyle); 1395 scr_blank_screen_mem (ROW(row), rstyle);
1375 1396
1376 if (!view_start) 1397 if (row - view_start < nrow)
1377 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1398 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1378 } 1399 }
1379} 1400}
1380 1401
1381#if !ENABLE_MINIMAL 1402#if !ENABLE_MINIMAL
1382void 1403void
1392/* ------------------------------------------------------------------------- */ 1413/* ------------------------------------------------------------------------- */
1393/* 1414/*
1394 * Fill the screen with `E's 1415 * Fill the screen with `E's
1395 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1416 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1396 */ 1417 */
1397void 1418void ecb_cold
1398rxvt_term::scr_E () NOTHROW 1419rxvt_term::scr_E () NOTHROW
1399{ 1420{
1400 rend_t fs; 1421 rend_t fs;
1401 1422
1402 want_refresh = 1; 1423 want_refresh = 1;
1403 ZERO_SCROLLBACK (); 1424 ZERO_SCROLLBACK ();
1404 1425
1405 num_scr_allow = 0; 1426 num_scr_allow = 0;
1406 selection_check (3); 1427
1428 row_col_t pos;
1429 pos.row = pos.col = 0;
1430 if (ROWCOL_IS_AFTER (selection.end, pos))
1431 CLEAR_SELECTION ();
1407 1432
1408 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1433 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1409 for (int row = nrow; row--; ) 1434 for (int row = nrow; row--; )
1410 { 1435 {
1411 line_t &line = ROW(row); 1436 line_t &line = ROW(row);
1562/* ------------------------------------------------------------------------- */ 1587/* ------------------------------------------------------------------------- */
1563/* 1588/*
1564 * Set the scrolling region 1589 * Set the scrolling region
1565 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1590 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1566 */ 1591 */
1567void 1592void ecb_cold
1568rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1593rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1569{ 1594{
1570 max_it (top, 0); 1595 max_it (top, 0);
1571 min_it (bot, nrow - 1); 1596 min_it (bot, nrow - 1);
1572 1597
1582/* 1607/*
1583 * Make the cursor visible/invisible 1608 * Make the cursor visible/invisible
1584 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1609 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1585 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1610 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1586 */ 1611 */
1587void 1612void ecb_cold
1588rxvt_term::scr_cursor_visible (int mode) NOTHROW 1613rxvt_term::scr_cursor_visible (int mode) NOTHROW
1589{ 1614{
1590 want_refresh = 1; 1615 want_refresh = 1;
1591 1616
1592 if (mode) 1617 if (mode)
1599/* 1624/*
1600 * Set/unset automatic wrapping 1625 * Set/unset automatic wrapping
1601 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1626 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1602 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1627 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1603 */ 1628 */
1604void 1629void ecb_cold
1605rxvt_term::scr_autowrap (int mode) NOTHROW 1630rxvt_term::scr_autowrap (int mode) NOTHROW
1606{ 1631{
1607 if (mode) 1632 if (mode)
1608 screen.flags |= Screen_Autowrap; 1633 screen.flags |= Screen_Autowrap;
1609 else 1634 else
1618 * Relative mode: line numbers are relative to top margin of scrolling region 1643 * Relative mode: line numbers are relative to top margin of scrolling region
1619 * and the cursor cannot be moved outside. 1644 * and the cursor cannot be moved outside.
1620 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1645 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1621 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1646 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1622 */ 1647 */
1623void 1648void ecb_cold
1624rxvt_term::scr_relative_origin (int mode) NOTHROW 1649rxvt_term::scr_relative_origin (int mode) NOTHROW
1625{ 1650{
1626 if (mode) 1651 if (mode)
1627 screen.flags |= Screen_Relative; 1652 screen.flags |= Screen_Relative;
1628 else 1653 else
1635/* 1660/*
1636 * Set insert/replace mode 1661 * Set insert/replace mode
1637 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1662 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1638 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1663 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1639 */ 1664 */
1640void 1665void ecb_cold
1641rxvt_term::scr_insert_mode (int mode) NOTHROW 1666rxvt_term::scr_insert_mode (int mode) NOTHROW
1642{ 1667{
1643 if (mode) 1668 if (mode)
1644 screen.flags |= Screen_Insert; 1669 screen.flags |= Screen_Insert;
1645 else 1670 else
1651 * Set/Unset tabs 1676 * Set/Unset tabs
1652 * XTERM_SEQ: Set tab at current column : ESC H 1677 * XTERM_SEQ: Set tab at current column : ESC H
1653 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1678 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1654 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1679 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1655 */ 1680 */
1656void 1681void ecb_cold
1657rxvt_term::scr_set_tab (int mode) NOTHROW 1682rxvt_term::scr_set_tab (int mode) NOTHROW
1658{ 1683{
1659 if (mode < 0) 1684 if (mode < 0)
1660 memset (tabs, 0, ncol); 1685 memset (tabs, 0, ncol);
1661 else if (screen.cur.col < ncol) 1686 else if (screen.cur.col < ncol)
1681 { 1706 {
1682 rvideo_state = on; 1707 rvideo_state = on;
1683 1708
1684 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1709 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1685#ifdef HAVE_BG_PIXMAP 1710#ifdef HAVE_BG_PIXMAP
1686 if (bgPixmap.pixmap == None) 1711 if (bg_img == 0)
1687#endif 1712#endif
1688 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1713 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1689 1714
1690 XGCValues gcvalue; 1715 XGCValues gcvalue;
1691 gcvalue.foreground = pix_colors[Color_fg]; 1716 gcvalue.foreground = pix_colors[Color_fg];
1700/* ------------------------------------------------------------------------- */ 1725/* ------------------------------------------------------------------------- */
1701/* 1726/*
1702 * Report current cursor position 1727 * Report current cursor position
1703 * XTERM_SEQ: Report position: ESC [ 6 n 1728 * XTERM_SEQ: Report position: ESC [ 6 n
1704 */ 1729 */
1705void 1730void ecb_cold
1706rxvt_term::scr_report_position () NOTHROW 1731rxvt_term::scr_report_position () NOTHROW
1707{ 1732{
1708 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1733 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1709} 1734}
1710 1735
1713 * ------------------------------------------------------------------------- */ 1738 * ------------------------------------------------------------------------- */
1714 1739
1715/* 1740/*
1716 * Set font style 1741 * Set font style
1717 */ 1742 */
1718void 1743void ecb_cold
1719rxvt_term::set_font_style () NOTHROW 1744rxvt_term::set_font_style () NOTHROW
1720{ 1745{
1721#if 0 1746#if 0
1722 switch (charsets [screen.charset]) 1747 switch (charsets [screen.charset])
1723 { 1748 {
1745 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1770 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1746 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1771 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1747 * XTERM_SEQ: Invoke G2 character set: ESC N 1772 * XTERM_SEQ: Invoke G2 character set: ESC N
1748 * XTERM_SEQ: Invoke G3 character set: ESC O 1773 * XTERM_SEQ: Invoke G3 character set: ESC O
1749 */ 1774 */
1750void 1775void ecb_cold
1751rxvt_term::scr_charset_choose (int set) NOTHROW 1776rxvt_term::scr_charset_choose (int set) NOTHROW
1752{ 1777{
1753 screen.charset = set; 1778 screen.charset = set;
1754 set_font_style (); 1779 set_font_style ();
1755} 1780}
1776 * ------------------------------------------------------------------------- */ 1801 * ------------------------------------------------------------------------- */
1777 1802
1778/* 1803/*
1779 * refresh matching text. 1804 * refresh matching text.
1780 */ 1805 */
1781bool 1806bool ecb_cold
1782rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1807rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1783{ 1808{
1784 bool found = false; 1809 bool found = false;
1785 1810
1786 for (int i = 0; i < nrow; i++) 1811 for (int i = 0; i < nrow; i++)
1805 PART_BEG = 0, 1830 PART_BEG = 0,
1806 PART_END, 1831 PART_END,
1807 RC_COUNT 1832 RC_COUNT
1808}; 1833};
1809 1834
1810void 1835void ecb_hot
1811rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1836rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1812{ 1837{
1813 int i; 1838 int i;
1814 row_col_t rc[RC_COUNT]; 1839 row_col_t rc[RC_COUNT];
1815 1840
1852 * Refresh the entire screen 1877 * Refresh the entire screen
1853 */ 1878 */
1854void 1879void
1855rxvt_term::scr_touch (bool refresh) NOTHROW 1880rxvt_term::scr_touch (bool refresh) NOTHROW
1856{ 1881{
1857 scr_expose (0, 0, width, height, refresh); 1882 scr_expose (0, 0, vt_width, vt_height, refresh);
1858} 1883}
1859 1884
1860/* ------------------------------------------------------------------------- */ 1885/* ------------------------------------------------------------------------- */
1861/* 1886/*
1862 * Move the display so that the line represented by scrollbar value Y is at 1887 * Move the display so that the line represented by scrollbar value Y is at
1918 1943
1919# ifndef NO_MAPALERT 1944# ifndef NO_MAPALERT
1920# ifdef MAPALERT_OPTION 1945# ifdef MAPALERT_OPTION
1921 if (option (Opt_mapAlert)) 1946 if (option (Opt_mapAlert))
1922# endif 1947# endif
1923 XMapWindow (dpy, parent[0]); 1948 XMapWindow (dpy, parent);
1924# endif 1949# endif
1925 1950
1926# if ENABLE_FRILLS 1951# if ENABLE_FRILLS
1927 if (option (Opt_urgentOnBell)) 1952 if (option (Opt_urgentOnBell))
1928 set_urgency (1); 1953 set_urgency (1);
1941 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1966 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1942#endif 1967#endif
1943} 1968}
1944 1969
1945/* ------------------------------------------------------------------------- */ 1970/* ------------------------------------------------------------------------- */
1946/* ARGSUSED */ 1971void ecb_cold
1947void
1948rxvt_term::scr_printscreen (int fullhist) NOTHROW 1972rxvt_term::scr_printscreen (int fullhist) NOTHROW
1949{ 1973{
1950#ifdef PRINTPIPE 1974#ifdef PRINTPIPE
1951 int nrows, row_start; 1975 int nrows, row_start;
1952 FILE *fd = popen_printer (); 1976 FILE *fd = popen_printer ();
2001/* 2025/*
2002 * Refresh the screen 2026 * Refresh the screen
2003 * drawn_text/drawn_rend contain the screen information before the update. 2027 * drawn_text/drawn_rend contain the screen information before the update.
2004 * screen.text/screen.rend contain what the screen will change to. 2028 * screen.text/screen.rend contain what the screen will change to.
2005 */ 2029 */
2006void 2030void ecb_hot
2007rxvt_term::scr_refresh () NOTHROW 2031rxvt_term::scr_refresh () NOTHROW
2008{ 2032{
2009 int16_t col, row, /* column/row we're processing */ 2033 int16_t col, row, /* column/row we're processing */
2010 ocrow; /* old cursor row */ 2034 ocrow; /* old cursor row */
2011 int i; /* tmp */ 2035 int i; /* tmp */
2025 * A: set up vars 2049 * A: set up vars
2026 */ 2050 */
2027 refresh_count = 0; 2051 refresh_count = 0;
2028 2052
2029 unsigned int old_screen_flags = screen.flags; 2053 unsigned int old_screen_flags = screen.flags;
2030 char have_bg = 0; 2054 bool have_bg = 0;
2031#ifdef HAVE_BG_PIXMAP 2055#ifdef HAVE_BG_PIXMAP
2032 have_bg = bgPixmap.pixmap != None; 2056 have_bg = bg_img != 0;
2033#endif 2057#endif
2034 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2058 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2035 2059
2036 /* 2060 /*
2037 * B: reverse any characters which are selected 2061 * B: reverse any characters which are selected
2041 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2065 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2042#if ENABLE_OVERLAY 2066#if ENABLE_OVERLAY
2043 scr_swap_overlay (); 2067 scr_swap_overlay ();
2044#endif 2068#endif
2045 2069
2046 char showcursor = screen.flags & Screen_VisibleCursor; 2070 bool showcursor = screen.flags & Screen_VisibleCursor;
2047 2071
2048 /* 2072 /*
2049 * C: set the cursor character (s) 2073 * C: set the cursor character (s)
2050 */ 2074 */
2051 { 2075 {
2052 unsigned char setoldcursor; 2076 bool setoldcursor;
2053 2077
2054#ifdef CURSOR_BLINK 2078#ifdef CURSOR_BLINK
2055 if (hidden_cursor) 2079 if (hidden_cursor)
2056 showcursor = 0; 2080 showcursor = 0;
2057#endif 2081#endif
2144 { 2168 {
2145 int16_t nits; 2169 int16_t nits;
2146 int i = num_scr; 2170 int i = num_scr;
2147 int j; 2171 int j;
2148 int len, wlen; 2172 int len, wlen;
2149 dLocal (int, num_scr);
2150 2173
2151 j = nrow; 2174 j = nrow;
2152 wlen = len = -1; 2175 wlen = len = -1;
2153 row = i > 0 ? 0 : j - 1; 2176 row = i > 0 ? 0 : j - 1;
2154 2177
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 {
2410#if ENABLE_FRILLS 2433#if ENABLE_FRILLS
2411 if (ISSET_PIXCOLOR (Color_underline)) 2434 if (ISSET_PIXCOLOR (Color_underline))
2412 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2413 else 2436 else
2459 2482
2460 XDrawRectangle (dpy, vt, gc, 2483 XDrawRectangle (dpy, vt, gc,
2461 Col2Pixel (col), 2484 Col2Pixel (col),
2462 Row2Pixel (oldcursor.row), 2485 Row2Pixel (oldcursor.row),
2463 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2486 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2464 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2487 (unsigned int) (Height2Pixel (1) - 1));
2465 } 2488 }
2466 } 2489 }
2467 2490
2468 /* 2491 /*
2469 * H: cleanup selection 2492 * H: cleanup selection
2478 screen.flags = old_screen_flags; 2501 screen.flags = old_screen_flags;
2479 num_scr = 0; 2502 num_scr = 0;
2480 num_scr_allow = 1; 2503 num_scr_allow = 1;
2481} 2504}
2482 2505
2483void 2506void ecb_cold
2484rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2507rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2485{ 2508{
2486 if (!l.t) 2509 if (!l.valid ())
2487 return; 2510 return;
2488 2511
2489 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2512 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2490 2513
2491 for (int i = ncol; i--; ) 2514 for (int i = ncol; i--; )
2492 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2515 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2493} 2516}
2494 2517
2495void 2518void ecb_cold
2496rxvt_term::scr_remap_chars () NOTHROW 2519rxvt_term::scr_remap_chars () NOTHROW
2497{ 2520{
2498 for (int i = total_rows; i--; ) 2521 for (int i = total_rows; i--; )
2499 scr_remap_chars (row_buf [i]); 2522 scr_remap_chars (row_buf [i]);
2500 2523
2503 scr_remap_chars (drawn_buf [i]); 2526 scr_remap_chars (drawn_buf [i]);
2504 scr_remap_chars (swap_buf [i]); 2527 scr_remap_chars (swap_buf [i]);
2505 } 2528 }
2506} 2529}
2507 2530
2508void 2531void ecb_cold
2509rxvt_term::scr_recolour () NOTHROW 2532rxvt_term::scr_recolour (bool refresh) NOTHROW
2510{ 2533{
2534 bool transparent = false;
2535
2511#ifdef HAVE_BG_PIXMAP 2536#ifdef HAVE_BG_PIXMAP
2512 bgPixmap.apply (); 2537 if (bg_img != 0)
2513#else 2538 {
2539# if ENABLE_TRANSPARENCY
2540 if (bg_flags & BG_IS_TRANSPARENT)
2541 {
2542 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2543 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2514 2544
2545 transparent = true;
2546 }
2547 else
2548# endif
2549 {
2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2551 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2552 }
2553 }
2554 else
2555#endif
2556 {
2515 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2557 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2516 XClearWindow (dpy, parent[0]);
2517 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2558 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2559 }
2560
2561 XClearWindow (dpy, parent);
2518 2562
2519 if (scrollBar.win) 2563 if (scrollBar.win)
2520 { 2564 {
2565 if (transparent)
2566 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2567 else
2521 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2568 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2522 scrollBar.state = STATE_IDLE; 2569 scrollBar.state = SB_STATE_IDLE;
2523 scrollBar.show (0); 2570 scrollBar.show (0);
2524 } 2571 }
2525 2572
2526#endif 2573 if (refresh)
2527 2574 {
2528 /* bgPixmap.apply () does not do the following : */
2529 scr_clear (); 2575 scr_clear ();
2530 scr_touch (true); 2576 scr_touch (true);
2577 }
2531 want_refresh = 1; 2578 want_refresh = 1;
2532} 2579}
2533 2580
2534/* ------------------------------------------------------------------------- */ 2581/* ------------------------------------------------------------------------- */
2535void 2582void
2592 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2639 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2593 srp[col] ^= rstyle; 2640 srp[col] ^= rstyle;
2594} 2641}
2595 2642
2596/* ------------------------------------------------------------------------- */ 2643/* ------------------------------------------------------------------------- */
2597void 2644void ecb_hot
2598rxvt_term::scr_reverse_selection () NOTHROW 2645rxvt_term::scr_reverse_selection () NOTHROW
2599{ 2646{
2600 if (selection.op 2647 if (selection.op
2601 && current_screen == selection.screen 2648 && current_screen == selection.screen
2602 && selection.end.row >= view_start) 2649 && selection.end.row >= view_start)
2621 */ 2668 */
2622#if 0 2669#if 0
2623void 2670void
2624rxvt_term::scr_dump (int fd) NOTHROW 2671rxvt_term::scr_dump (int fd) NOTHROW
2625{ 2672{
2626 int row, wrote; 2673 // if this method is needed, it can be implemented by factoring the
2627 unsigned int width, towrite; 2674 // 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} 2675}
2647#endif 2676#endif
2648 2677
2649/* ------------------------------------------------------------------------- * 2678/* ------------------------------------------------------------------------- *
2650 * CHARACTER SELECTION * 2679 * CHARACTER SELECTION *
2651 * ------------------------------------------------------------------------- */ 2680 * ------------------------------------------------------------------------- */
2652void 2681void
2653rxvt_term::selection_check (int check_more) NOTHROW 2682rxvt_term::selection_check (int check_more) NOTHROW
2654{ 2683{
2655 row_col_t pos;
2656
2657 if (!selection.op) 2684 if (!selection.op)
2658 return; 2685 return;
2659 2686
2660 pos.row = pos.col = 0;
2661 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2687 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2662 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2688 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2663 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2689 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2664 || (check_more == 1 2690 || (check_more == 1
2665 && current_screen == selection.screen 2691 && current_screen == selection.screen
2666 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2692 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2667 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2693 && 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 (); 2694 CLEAR_ALL_SELECTION ();
2677} 2695}
2678 2696
2679/* ------------------------------------------------------------------------- */ 2697/* ------------------------------------------------------------------------- */
2680/* 2698/*
2681 * Paste a selection direct to the command fd 2699 * Paste a selection direct to the command fd
2687 for (unsigned int i = 0; i < len; i++) 2705 for (unsigned int i = 0; i < len; i++)
2688 if (data[i] == C0_LF) 2706 if (data[i] == C0_LF)
2689 data[i] = C0_CR; 2707 data[i] = C0_CR;
2690 2708
2691 if (priv_modes & PrivMode_BracketPaste) 2709 if (priv_modes & PrivMode_BracketPaste)
2692 tt_printf ("\e[200~"); 2710 tt_printf ("\x1b[200~");
2693 2711
2694 tt_write (data, len); 2712 tt_write (data, len);
2695 2713
2696 if (priv_modes & PrivMode_BracketPaste) 2714 if (priv_modes & PrivMode_BracketPaste)
2697 tt_printf ("\e[201~"); 2715 tt_printf ("\x1b[201~");
2698} 2716}
2699 2717
2700void 2718void
2701rxvt_term::paste (char *data, unsigned int len) NOTHROW 2719rxvt_term::paste (char *data, unsigned int len) NOTHROW
2702{ 2720{
2706 tt_paste (data, len); 2724 tt_paste (data, len);
2707} 2725}
2708 2726
2709/* ------------------------------------------------------------------------- */ 2727/* ------------------------------------------------------------------------- */
2710/* 2728/*
2711 * Respond to a notification that a primary selection has been sent 2729 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2712 * EXT: SelectionNotify 2730 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2713 */ 2731 * 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 2732 * EXT: button 2 release
2905 */ 2733 */
2906void 2734void
2907rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2735rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2908{ 2736{
2909 if (selection.text && selnum == Sel_Primary) 2737 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 } 2738 {
2917 else 2739 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2740 selection_req->run ();
2918 { 2741 }
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} 2742}
2960 2743
2961/* ------------------------------------------------------------------------- */ 2744/* ------------------------------------------------------------------------- */
2962/* 2745/*
2963 * Clear all selected text 2746 * Clear all selected text
2994 * EXT: button 1 or 3 release 2777 * EXT: button 1 or 3 release
2995 */ 2778 */
2996void 2779void
2997rxvt_term::selection_make (Time tm) 2780rxvt_term::selection_make (Time tm)
2998{ 2781{
2999 int i; 2782 int size;
3000 wchar_t *new_selection_text; 2783 wchar_t *new_selection_text;
3001 text_t *t; 2784 text_t *t;
3002 2785
3003 switch (selection.op) 2786 switch (selection.op)
3004 { 2787 {
3020 return; /* nothing selected, go away */ 2803 return; /* nothing selected, go away */
3021 2804
3022 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2805 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3023 return; 2806 return;
3024 2807
3025 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2808 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3026 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2809 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3027 2810
3028 int ofs = 0; 2811 int ofs = 0;
3029 int extra = 0; 2812 int extra = 0;
3030 2813
3031 int col = selection.beg.col; 2814 int col = selection.beg.col;
3037 { 2820 {
3038#if !ENABLE_MINIMAL 2821#if !ENABLE_MINIMAL
3039 if (selection.rect) 2822 if (selection.rect)
3040 { 2823 {
3041 col = selection.beg.col; 2824 col = selection.beg.col;
3042 end_col = ncol + 1; 2825 end_col = selection.end.col;
3043 } 2826 }
3044 else 2827 else
3045#endif 2828#endif
3046 end_col = ROW(row).l; 2829 end_col = ROW(row).l;
3047 2830
3048 col = max (col, 0); 2831 col = max (col, 0);
3049 2832
3050 if (row == selection.end.row 2833 if (row == selection.end.row)
3051#if !ENABLE_MINIMAL
3052 || selection.rect
3053#endif
3054 )
3055 min_it (end_col, selection.end.col); 2834 min_it (end_col, selection.end.col);
3056 2835
3057 t = ROW(row).t + col; 2836 t = ROW(row).t + col;
3058 2837
3059 for (; col < end_col; col++) 2838 for (; col < end_col; col++)
3067 2846
3068 extra -= (len - 1); 2847 extra -= (len - 1);
3069 2848
3070 if (extra < 0) 2849 if (extra < 0)
3071 { 2850 {
3072 extra += i; 2851 extra += size;
3073 i += i; 2852 size += size;
3074 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2853 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3075 } 2854 }
3076 2855
3077 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2856 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3078 } 2857 }
3079#endif 2858#endif
3091 2870
3092 new_selection_text[ofs++] = C0_LF; 2871 new_selection_text[ofs++] = C0_LF;
3093 } 2872 }
3094 else 2873 else
3095#endif 2874#endif
3096 if (!ROW(row).is_longer () && row != selection.end.row) 2875 if (!ROW(row).is_longer ()
2876 && (row != selection.end.row || end_col != selection.end.col)
2877 && (row != selection.beg.row || selection.beg.col < ncol))
3097 new_selection_text[ofs++] = C0_LF; 2878 new_selection_text[ofs++] = C0_LF;
3098 } 2879 }
3099
3100 if (end_col != selection.end.col)
3101 new_selection_text[ofs++] = C0_LF;
3102 2880
3103 new_selection_text[ofs] = 0; 2881 new_selection_text[ofs] = 0;
3104 2882
3105 if (ofs == 0) 2883 if (ofs == 0)
3106 { 2884 {
3162/* ------------------------------------------------------------------------- */ 2940/* ------------------------------------------------------------------------- */
3163/* 2941/*
3164 * Mark or select text based upon number of clicks: 1, 2, or 3 2942 * Mark or select text based upon number of clicks: 1, 2, or 3
3165 * EXT: button 1 press 2943 * EXT: button 1 press
3166 */ 2944 */
3167void 2945void ecb_cold
3168rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2946rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3169{ 2947{
3170 clicks = ((clicks - 1) % 3) + 1; 2948 clicks = ((clicks - 1) % 3) + 1;
3171 selection.clicks = clicks; /* save clicks so extend will work */ 2949 selection.clicks = clicks; /* save clicks so extend will work */
3172 2950
3191 2969
3192/* ------------------------------------------------------------------------- */ 2970/* ------------------------------------------------------------------------- */
3193/* 2971/*
3194 * Mark a selection at the specified col/row 2972 * Mark a selection at the specified col/row
3195 */ 2973 */
3196void 2974void ecb_cold
3197rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2975rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3198{ 2976{
3199 want_refresh = 1; 2977 want_refresh = 1;
3200 2978
3201 selection.mark.row = row + view_start; 2979 selection.mark.row = row + view_start;
3228/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3006/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3229#define DELIMIT_TEXT(x) \ 3007#define DELIMIT_TEXT(x) \
3230 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3008 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3231#define DELIMIT_REND(x) 1 3009#define DELIMIT_REND(x) 1
3232 3010
3233void 3011void ecb_cold
3234rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3012rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3235{ 3013{
3236 int col, row, dirnadd, tcol, trow, w1, w2; 3014 int col, row, dirnadd, tcol, trow, w1, w2;
3237 row_col_t bound; 3015 row_col_t bound;
3238 text_t *stp; 3016 text_t *stp;
3312 * EXT: button 3 press; button 1 or 3 drag 3090 * EXT: button 3 press; button 1 or 3 drag
3313 * flag == 0 ==> button 1 3091 * flag == 0 ==> button 1
3314 * flag == 1 ==> button 3 press 3092 * flag == 1 ==> button 3 press
3315 * flag == 2 ==> button 3 motion 3093 * flag == 2 ==> button 3 motion
3316 */ 3094 */
3317void 3095void ecb_cold
3318rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3096rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3319{ 3097{
3320 int col = clamp (Pixel2Col (x), 0, ncol); 3098 int col = clamp (Pixel2Col (x), 0, ncol);
3321 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3099 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3322 3100
3348 3126
3349/* ------------------------------------------------------------------------- */ 3127/* ------------------------------------------------------------------------- */
3350/* 3128/*
3351 * Extend the selection to the specified col/row 3129 * Extend the selection to the specified col/row
3352 */ 3130 */
3353void 3131void ecb_cold
3354rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3132rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3355{ 3133{
3356 row_col_t pos; 3134 row_col_t pos;
3357 enum { 3135 enum {
3358 LEFT, RIGHT 3136 LEFT, RIGHT
3549 ::swap (selection.beg.col, selection.end.col); 3327 ::swap (selection.beg.col, selection.end.col);
3550#endif 3328#endif
3551} 3329}
3552 3330
3553#if !ENABLE_MINIMAL 3331#if !ENABLE_MINIMAL
3554void 3332void ecb_cold
3555rxvt_term::selection_remove_trailing_spaces () NOTHROW 3333rxvt_term::selection_remove_trailing_spaces () NOTHROW
3556{ 3334{
3557 int32_t end_col, end_row; 3335 int32_t end_col, end_row;
3558 text_t *stp; 3336 text_t *stp;
3559 3337
3597/* ------------------------------------------------------------------------- */ 3375/* ------------------------------------------------------------------------- */
3598/* 3376/*
3599 * Double click on button 3 when already selected 3377 * Double click on button 3 when already selected
3600 * EXT: button 3 double click 3378 * EXT: button 3 double click
3601 */ 3379 */
3602void 3380void ecb_cold
3603rxvt_term::selection_rotate (int x, int y) NOTHROW 3381rxvt_term::selection_rotate (int x, int y) NOTHROW
3604{ 3382{
3605 selection.clicks = selection.clicks % 3 + 1; 3383 selection.clicks = selection.clicks % 3 + 1;
3606 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3384 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3607} 3385}
3609/* ------------------------------------------------------------------------- */ 3387/* ------------------------------------------------------------------------- */
3610/* 3388/*
3611 * Respond to a request for our current selection 3389 * Respond to a request for our current selection
3612 * EXT: SelectionRequest 3390 * EXT: SelectionRequest
3613 */ 3391 */
3614void 3392void ecb_cold
3615rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3393rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3616{ 3394{
3395 Atom property = rq.property == None ? rq.target : rq.property;
3617 XSelectionEvent ev; 3396 XSelectionEvent ev;
3618 3397
3619 ev.type = SelectionNotify; 3398 ev.type = SelectionNotify;
3620 ev.property = None; 3399 ev.property = None;
3621 ev.display = rq.display; 3400 ev.display = rq.display;
3636 *target++ = xa[XA_COMPOUND_TEXT]; 3415 *target++ = xa[XA_COMPOUND_TEXT];
3637#if X_HAVE_UTF8_STRING 3416#if X_HAVE_UTF8_STRING
3638 *target++ = xa[XA_UTF8_STRING]; 3417 *target++ = xa[XA_UTF8_STRING];
3639#endif 3418#endif
3640 3419
3641 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3420 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3642 32, PropModeReplace, 3421 32, PropModeReplace,
3643 (unsigned char *)target_list, target - target_list); 3422 (unsigned char *)target_list, target - target_list);
3644 ev.property = rq.property; 3423 ev.property = property;
3645 } 3424 }
3646#if TODO // TODO 3425#if TODO // TODO
3647 else if (rq.target == xa[XA_MULTIPLE]) 3426 else if (rq.target == xa[XA_MULTIPLE])
3648 { 3427 {
3649 /* TODO: Handle MULTIPLE */ 3428 /* TODO: Handle MULTIPLE */
3650 } 3429 }
3651#endif 3430#endif
3652 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3431 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3653 { 3432 {
3654 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3433 XChangeProperty (dpy, rq.requestor, property, rq.target,
3655 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3434 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3656 ev.property = rq.property; 3435 ev.property = property;
3657 } 3436 }
3658 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3437 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3659 { 3438 {
3660 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3439 XChangeProperty (dpy, rq.requestor, property, rq.target,
3661 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3440 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3662 ev.property = rq.property; 3441 ev.property = property;
3663 } 3442 }
3664 else if (rq.target == XA_STRING 3443 else if (rq.target == XA_STRING
3665 || rq.target == xa[XA_TEXT] 3444 || rq.target == xa[XA_TEXT]
3666 || rq.target == xa[XA_COMPOUND_TEXT] 3445 || rq.target == xa[XA_COMPOUND_TEXT]
3667 || rq.target == xa[XA_UTF8_STRING] 3446 || rq.target == xa[XA_UTF8_STRING]
3738 ct.value = (unsigned char *)cl; 3517 ct.value = (unsigned char *)cl;
3739 ct.nitems = selectlen; 3518 ct.nitems = selectlen;
3740 ct.encoding = target; 3519 ct.encoding = target;
3741 } 3520 }
3742 3521
3743 XChangeProperty (dpy, rq.requestor, rq.property, 3522 XChangeProperty (dpy, rq.requestor, property,
3744 ct.encoding, 8, PropModeReplace, 3523 ct.encoding, 8, PropModeReplace,
3745 ct.value, (int)ct.nitems); 3524 ct.value, (int)ct.nitems);
3746 ev.property = rq.property; 3525 ev.property = property;
3747 3526
3748 if (freect) 3527 if (freect)
3749 XFree (ct.value); 3528 XFree (ct.value);
3750 } 3529 }
3751 3530
3752 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3531 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3753} 3532}
3754 3533
3755/* ------------------------------------------------------------------------- */ 3534/* ------------------------------------------------------------------------- */
3756#ifdef USE_XIM 3535#if USE_XIM
3757void 3536void ecb_cold
3758rxvt_term::im_set_position (XPoint &pos) NOTHROW 3537rxvt_term::im_set_position (XPoint &pos) NOTHROW
3759{ 3538{
3760 XWindowAttributes xwa; 3539 XWindowAttributes xwa;
3761 3540
3762 XGetWindowAttributes (dpy, vt, &xwa); 3541 XGetWindowAttributes (dpy, vt, &xwa);

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