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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.328 by root, Sun Mar 29 13:36:03 2009 UTC vs.
Revision 1.428 by sf-exg, Sun Jan 13 17:42:24 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! 33static inline void
34
35static inline void fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
36{ 35{
37 while (len--) 36 while (len--)
38 *start++ = value; 37 *start++ = value;
39} 38}
40 39
41/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
42#define PROP_SIZE 256*1024
43#define PASTE_SIZE 32768
44#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
45 42
46/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
99 96
100/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
101void 98void
102rxvt_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
103{ 100{
104 if (!l.t) 101 if (!l.valid ())
105 { 102 {
106 lalloc (l); 103 l.alloc ();
107 col = 0; 104 col = 0;
108 width = ncol; 105 width = ncol;
109 } 106 }
110 107
111 l.touch (); 108 l.touch ();
142 while (col > 0 && l.t[col] == NOCHAR) 139 while (col > 0 && l.t[col] == NOCHAR)
143 col--; 140 col--;
144 141
145 rend_t rend = l.r[col] & ~RS_baseattrMask; 142 rend_t rend = l.r[col] & ~RS_baseattrMask;
146 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
147 146
148 // found start, nuke 147 // found start, nuke
149 do { 148 do {
150 l.t[col] = ' '; 149 l.t[col] = ' ';
151 l.r[col] = rend; 150 l.r[col] = rend;
156/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
157 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
158 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
159 158
160void 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
161rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
162{ 195{
196#if ENABLE_OVERLAY
197 scr_overlay_off ();
198#endif
199
163 view_start = 0; 200 view_start = 0;
164 num_scr = 0; 201 num_scr = 0;
165 202
166 if (ncol == 0) 203 if (ncol == 0)
167 ncol = 80; 204 ncol = 80;
187 total_rows = nrow + saveLines; 224 total_rows = nrow + saveLines;
188 225
189 screen.tscroll = 0; 226 screen.tscroll = 0;
190 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
191 228
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
192 if (!row_buf) 239 if (!prev_row_buf)
193 { 240 {
194 /* 241 /*
195 * 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
196 */ 243 */
197 top_row = 0; 244 top_row = 0;
198 term_start = 0; 245 term_start = 0;
199
200 talloc = new rxvt_salloc (ncol * sizeof (text_t));
201 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
202
203 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
204 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206
207 for (int row = nrow; row--; )
208 {
209 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
210 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
211 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
212 }
213 246
214 memset (charsets, 'B', sizeof (charsets)); 247 memset (charsets, 'B', sizeof (charsets));
215 rstyle = DEFAULT_RSTYLE; 248 rstyle = DEFAULT_RSTYLE;
216 screen.flags = Screen_DefaultFlags; 249 screen.flags = Screen_DefaultFlags;
217 screen.cur.row = screen.cur.col = 0; 250 screen.cur.row = screen.cur.col = 0;
231 selection.text = NULL; 264 selection.text = NULL;
232 selection.len = 0; 265 selection.len = 0;
233 selection.op = SELECTION_CLEAR; 266 selection.op = SELECTION_CLEAR;
234 selection.screen = PRIMARY; 267 selection.screen = PRIMARY;
235 selection.clicks = 0; 268 selection.clicks = 0;
269 selection.clip_text = NULL;
270 selection.clip_len = 0;
236 } 271 }
237 else 272 else
238 { 273 {
239 /* 274 /*
240 * add or delete rows as appropriate 275 * add or delete rows as appropriate
241 */ 276 */
242 277
243 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
244 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
245
246#if 0
247 if (nrow < prev_nrow)
248 {
249 for (int row = nrow; row < prev_nrow; row++)
250 {
251 lfree (swap_buf [row]);
252 lfree (drawn_buf[row]);
253 }
254 }
255#endif
256
257 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
258 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
259
260 for (int row = min (nrow, prev_nrow); row--; ) 278 for (int row = min (nrow, prev_nrow); row--; )
261 { 279 {
262 lresize (drawn_buf[row]); 280 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
263 lresize (swap_buf [row]); 281 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
264 }
265 282
266 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 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
286 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
267 { 287 }
268 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
269 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
270 }
271
272 line_t *old_buf = row_buf;
273 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
274 288
275 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 289 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
276 int pend = MOD (term_start + top_row , prev_total_rows); 290 int pend = MOD (term_start + top_row , prev_total_rows);
277 int q = total_rows; // rewrapped row 291 int q = total_rows; // rewrapped row
278 292
286 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 300 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
287 301
288 do 302 do
289 { 303 {
290 p = MOD (p - 1, prev_total_rows); 304 p = MOD (p - 1, prev_total_rows);
291#ifdef DEBUG_STRICT
292 assert (old_buf [MOD (p, prev_total_rows)].t); 305 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
293#endif
294 int plines = 1; 306 int plines = 1;
295 int llen = old_buf [MOD (p, prev_total_rows)].l; 307 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
296 308
297 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 309 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
298 { 310 {
299 p = MOD (p - 1, prev_total_rows); 311 p = MOD (p - 1, prev_total_rows);
300 312
301 plines++; 313 plines++;
302 llen += prev_ncol; 314 llen += prev_ncol;
315 327
316 // re-assemble the full line by destination lines 328 // re-assemble the full line by destination lines
317 for (int qrow = q; qlines--; qrow++) 329 for (int qrow = q; qlines--; qrow++)
318 { 330 {
319 qline = row_buf + qrow; 331 qline = row_buf + qrow;
320 lalloc (*qline); 332 qline->alloc (); // redundant with next line
321 qline->l = ncol; 333 qline->l = ncol;
322 qline->is_longer (1); 334 qline->is_longer (1);
323 335
324 int qcol = 0; 336 int qcol = 0;
325 337
340 // this seems to upset applications/shells/readline 352 // this seems to upset applications/shells/readline
341 // least. 353 // least.
342 if (prow == ocur.row) 354 if (prow == ocur.row)
343 screen.cur.row = q - (total_rows - nrow); 355 screen.cur.row = q - (total_rows - nrow);
344 356
345 line_t &pline = old_buf [prow]; 357 line_t &pline = prev_row_buf [prow];
346 358
347 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 359 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
348 360
349 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 361 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
350 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 362 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
371 { 383 {
372 // if no scrollback exists (yet), wing, instead of wrap 384 // if no scrollback exists (yet), wing, instead of wrap
373 385
374 for (int row = min (nrow, prev_nrow); row--; ) 386 for (int row = min (nrow, prev_nrow); row--; )
375 { 387 {
376 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 388 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
377 line_t &qline = row_buf [row]; 389 line_t &dst = row_buf [row];
378 390
379 qline = pline; 391 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
380 lresize (qline); 392
393 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
394 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
395 dst.l = common_col;
381 } 396 }
382 397
383 for (int row = prev_nrow; row < nrow; row++) 398 for (int row = prev_nrow; row < nrow; row++)
384 {
385 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 399 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
386 }
387 400
388 term_start = 0; 401 term_start = 0;
389 } 402 }
390
391 free (old_buf);
392 delete old_ta;
393 delete old_ra;
394 403
395 clamp_it (screen.cur.row, 0, nrow - 1); 404 clamp_it (screen.cur.row, 0, nrow - 1);
396 clamp_it (screen.cur.col, 0, ncol - 1); 405 clamp_it (screen.cur.col, 0, ncol - 1);
397 } 406 }
398 407
408 for (int row = nrow; row--; )
409 {
410 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
411 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
412 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
413 }
414
415 chunk_free (prev_chunk, prev_chunk_size);
416
399 free (tabs); 417 free (tabs);
400 tabs = (char *)rxvt_malloc (ncol); 418 tabs = (char *)rxvt_malloc (ncol);
401 419
402 for (int col = ncol; --col; ) 420 for (int col = ncol; col--; )
403 tabs [col] = col % TABSIZE == 0; 421 tabs [col] = col % TABSIZE == 0;
404 422
405 CLEAR_ALL_SELECTION (); 423 CLEAR_ALL_SELECTION ();
406 424
407 prev_nrow = nrow; 425 prev_nrow = nrow;
410 tt_winch (); 428 tt_winch ();
411 429
412 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 430 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
413} 431}
414 432
415/* ------------------------------------------------------------------------- */ 433void ecb_cold
416/*
417 * Free everything. That way malloc debugging can find leakage.
418 */
419void
420rxvt_term::scr_release () NOTHROW 434rxvt_term::scr_release () NOTHROW
421{ 435{
422 if (row_buf) 436 chunk_free (chunk, chunk_size);
423 { 437 chunk = 0;
424 delete talloc; talloc = 0; 438 row_buf = 0;
425 delete ralloc; ralloc = 0;
426 439
427 free (row_buf);
428 free (swap_buf);
429 free (drawn_buf);
430 row_buf = 0; // signal that we freed all the arrays above
431
432 free (tabs); 440 free (tabs);
433 tabs = 0; 441 tabs = 0;
434 }
435} 442}
436 443
437/* ------------------------------------------------------------------------- */ 444/* ------------------------------------------------------------------------- */
438/* 445/*
439 * Hard/Soft reset 446 * Hard/Soft reset
440 */ 447 */
441void 448void ecb_cold
442rxvt_term::scr_poweron () 449rxvt_term::scr_poweron ()
443{ 450{
444 scr_release (); 451 scr_release ();
452
445 prev_nrow = prev_ncol = 0; 453 prev_nrow = prev_ncol = 0;
446 rvideo_mode = false; 454 rvideo_mode = false;
447 scr_soft_reset (); 455 scr_soft_reset ();
448 scr_reset (); 456 scr_reset ();
449 457
450 scr_clear (true); 458 scr_clear (true);
451 scr_refresh (); 459 scr_refresh ();
452} 460}
453 461
454void 462void ecb_cold
455rxvt_term::scr_soft_reset () 463rxvt_term::scr_soft_reset () NOTHROW
456{ 464{
457 /* only affects modes, nothing drastic such as clearing the screen */ 465 /* only affects modes, nothing drastic such as clearing the screen */
458#if ENABLE_OVERLAY 466#if ENABLE_OVERLAY
459 scr_overlay_off (); 467 scr_overlay_off ();
460#endif 468#endif
510 } 518 }
511 519
512 /* boundary check in case screen size changed between SAVE and RESTORE */ 520 /* boundary check in case screen size changed between SAVE and RESTORE */
513 min_it (s->cur.row, nrow - 1); 521 min_it (s->cur.row, nrow - 1);
514 min_it (s->cur.col, ncol - 1); 522 min_it (s->cur.col, ncol - 1);
515#ifdef DEBUG_STRICT
516 assert (s->cur.row >= 0); 523 assert (s->cur.row >= 0);
517 assert (s->cur.col >= 0); 524 assert (s->cur.col >= 0);
518#endif
519} 525}
520 526
521void 527void
522rxvt_term::scr_swap_screen () 528rxvt_term::scr_swap_screen () NOTHROW
523{ 529{
524 if (!option (Opt_secondaryScreen)) 530 if (!option (Opt_secondaryScreen))
525 return; 531 return;
526 532
527 for (int i = prev_nrow; i--; ) 533 for (int i = prev_nrow; i--; )
546 return; 552 return;
547 553
548 want_refresh = 1; 554 want_refresh = 1;
549 view_start = 0; 555 view_start = 0;
550 556
551 selection_check (2); /* check for boundary cross */ 557 /* check for boundary cross */
558 row_col_t pos;
559 pos.row = pos.col = 0;
560 if (ROWCOL_IS_BEFORE (selection.beg, pos)
561 && ROWCOL_IS_AFTER (selection.end, pos))
562 CLEAR_SELECTION ();
552 563
553 int i = current_screen; current_screen = scrn; scrn = i; 564 current_screen = scrn;
554 565
555#if NSCREENS 566#if NSCREENS
556 if (option (Opt_secondaryScreen)) 567 if (option (Opt_secondaryScreen))
557 { 568 {
558 num_scr = 0; 569 num_scr = 0;
622/* 633/*
623 * Scroll text between <row1> and <row2> inclusive, by <count> lines 634 * Scroll text between <row1> and <row2> inclusive, by <count> lines
624 * count positive ==> scroll up 635 * count positive ==> scroll up
625 * count negative ==> scroll down 636 * count negative ==> scroll down
626 */ 637 */
627int 638int ecb_hot
628rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 639rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
629{ 640{
630 if (count == 0 || (row1 > row2)) 641 if (count == 0 || (row1 > row2))
631 return 0; 642 return 0;
632 643
635 646
636 if (count > 0 647 if (count > 0
637 && row1 == 0 648 && row1 == 0
638 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 649 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
639 { 650 {
651 min_it (count, total_rows - (nrow - (row2 + 1)));
652
640 top_row = max (top_row - count, -saveLines); 653 top_row = max (top_row - count, -saveLines);
641
642 // scroll everything up 'count' lines
643 term_start = (term_start + count) % total_rows;
644 654
645 // sever bottommost line 655 // sever bottommost line
646 { 656 {
647 line_t &l = ROW(row2 - count); 657 line_t &l = ROW(row2);
648 l.is_longer (0); 658 l.is_longer (0);
649 l.touch (); 659 l.touch ();
650 } 660 }
651 661
662 // scroll everything up 'count' lines
663 term_start = (term_start + count) % total_rows;
664
665 // now copy lines below the scroll region bottom to the
666 // bottom of the screen again, so they look as if they
667 // hadn't moved.
668 for (int i = nrow; --i > row2; )
669 {
670 line_t &l1 = ROW(i - count);
671 line_t &l2 = ROW(i);
672
673 ::swap (l1, l2);
674 l2.touch ();
675 }
676
652 // erase newly scrolled-in lines 677 // erase newly scrolled-in lines
653 for (int i = count; i--; ) 678 for (int i = count; i--; )
654 { 679 {
655 line_t &l = ROW(nrow - 1 - i); 680 line_t &l = ROW(row2 - i);
656 681
657 // optimize if already cleared, can be significant on slow machines 682 // optimise if already cleared, can be significant on slow machines
658 // could be rolled into scr_blank_screen_mem 683 // could be rolled into scr_blank_screen_mem
659 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 684 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
660 { 685 {
661 scr_blank_line (l, 0, l.l, rstyle); 686 scr_blank_line (l, 0, l.l, rstyle);
662 l.l = 0; 687 l.l = 0;
664 } 689 }
665 else 690 else
666 scr_blank_screen_mem (l, rstyle); 691 scr_blank_screen_mem (l, rstyle);
667 } 692 }
668 693
669 // now copy lines below the scroll region bottom to the
670 // bottom of the screen again, so they look as if they
671 // hadn't moved.
672 for (int i = nrow; --i > row2; )
673 {
674 line_t &l1 = ROW(i - count);
675 line_t &l2 = ROW(i);
676
677 ::swap (l1, l2);
678 l2.touch ();
679 }
680
681 // move and/or clear selection, if any 694 // move and/or clear selection, if any
682 if (selection.op && current_screen == selection.screen) 695 if (selection.op && current_screen == selection.screen
696 && selection.beg.row <= row2)
683 { 697 {
684 selection.beg.row -= count; 698 selection.beg.row -= count;
685 selection.end.row -= count; 699 selection.end.row -= count;
686 selection.mark.row -= count; 700 selection.mark.row -= count;
687 701
688 if (selection.beg.row < top_row 702 selection_check (0);
689 || selection.end.row < top_row
690 || selection.mark.row < top_row)
691 {
692 CLEAR_ALL_SELECTION ();
693 selection.op = SELECTION_CLEAR;
694 }
695 } 703 }
696 704
697 // finally move the view window, if desired 705 // finally move the view window, if desired
698 if (option (Opt_scrollWithBuffer) 706 if (option (Opt_scrollWithBuffer)
699 && view_start != 0 707 && view_start != 0
729 } 737 }
730 738
731 // use a simple and robust scrolling algorithm, this 739 // use a simple and robust scrolling algorithm, this
732 // part of scr_scroll_text is not time-critical. 740 // part of scr_scroll_text is not time-critical.
733 741
742 // sever line above scroll region
743 if (row1)
744 {
745 line_t &l = ROW(row1 - 1);
746 l.is_longer (0);
747 l.touch ();
748 }
749
734 int rows = row2 - row1 + 1; 750 int rows = row2 - row1 + 1;
735 751
736 min_it (count, rows); 752 min_it (count, rows);
737 753
738 line_t *temp_buf = row_buf + total_rows; 754 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
739 755
740 for (int row = 0; row < rows; row++) 756 for (int row = 0; row < rows; row++)
741 { 757 {
742 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 758 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
743 759
745 scr_blank_screen_mem (temp_buf [row], rstyle); 761 scr_blank_screen_mem (temp_buf [row], rstyle);
746 } 762 }
747 763
748 for (int row = 0; row < rows; row++) 764 for (int row = 0; row < rows; row++)
749 ROW(row1 + row) = temp_buf [row]; 765 ROW(row1 + row) = temp_buf [row];
766
767 // sever bottommost line
768 {
769 line_t &l = ROW(row2);
770 l.is_longer (0);
771 l.touch ();
772 }
750 } 773 }
751 774
752 return count; 775 return count;
753} 776}
754 777
755/* ------------------------------------------------------------------------- */ 778/* ------------------------------------------------------------------------- */
756/* 779/*
757 * Add text given in <str> of length <len> to screen struct 780 * Add text given in <str> of length <len> to screen struct
758 */ 781 */
759void 782void ecb_hot
760rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 783rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
761{ 784{
762 if (len <= 0) /* sanity */ 785 if (len <= 0) /* sanity */
763 return; 786 return;
764 787
765 unsigned char checksel; 788 bool checksel;
766 unicode_t c; 789 unicode_t c;
767 int ncol = this->ncol; 790 int ncol = this->ncol;
768 const wchar_t *strend = str + len; 791 const wchar_t *strend = str + len;
769 792
770 want_refresh = 1; 793 want_refresh = 1;
783 scr_scroll_text (screen.tscroll, screen.bscroll, minlines); 806 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
784 screen.cur.row -= minlines; 807 screen.cur.row -= minlines;
785 } 808 }
786 } 809 }
787 810
788#ifdef DEBUG_STRICT
789 assert (screen.cur.col < ncol); 811 assert (screen.cur.col < ncol);
790 assert (screen.cur.row < nrow 812 assert (screen.cur.row < nrow
791 && screen.cur.row >= top_row); 813 && screen.cur.row >= top_row);
792#endif
793 int row = screen.cur.row; 814 int row = screen.cur.row;
794 815
795 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 816 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
796 817
797 line_t *line = &ROW(row); 818 line_t *line = &ROW(row);
798 819
799 while (str < strend) 820 while (str < strend)
800 { 821 {
801 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 822 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
802 823
803 if (expect_false (c < 0x20)) 824 if (ecb_unlikely (c < 0x20))
804 if (c == C0_LF) 825 if (c == C0_LF)
805 { 826 {
806 max_it (line->l, screen.cur.col); 827 max_it (line->l, screen.cur.col);
807 828
808 screen.flags &= ~Screen_WrapNext; 829 screen.flags &= ~Screen_WrapNext;
827 { 848 {
828 scr_tab (1, true); 849 scr_tab (1, true);
829 continue; 850 continue;
830 } 851 }
831 852
832 if (expect_false ( 853 if (ecb_unlikely (
833 checksel /* see if we're writing within selection */ 854 checksel /* see if we're writing within selection */
834 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 855 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
835 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 856 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
836 )) 857 ))
837 { 858 {
842 * should be a similar check. 863 * should be a similar check.
843 */ 864 */
844 CLEAR_SELECTION (); 865 CLEAR_SELECTION ();
845 } 866 }
846 867
847 if (expect_false (screen.flags & Screen_WrapNext)) 868 if (ecb_unlikely (screen.flags & Screen_WrapNext))
848 { 869 {
849 scr_do_wrap (); 870 scr_do_wrap ();
850 871
851 line->l = ncol; 872 line->l = ncol;
852 line->is_longer (1); 873 line->is_longer (1);
854 row = screen.cur.row; 875 row = screen.cur.row;
855 line = &ROW(row); /* _must_ refresh */ 876 line = &ROW(row); /* _must_ refresh */
856 } 877 }
857 878
858 // some utf-8 decoders "decode" surrogate characters: let's fix this. 879 // some utf-8 decoders "decode" surrogate characters: let's fix this.
859 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 880 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
860 c = 0xfffd; 881 c = 0xfffd;
861 882
862 // rely on wcwidth to tell us the character width, do wcwidth before 883 // rely on wcwidth to tell us the character width, do wcwidth before
863 // further replacements, as wcwidth might return -1 for the line 884 // further replacements, as wcwidth might return -1 for the line
864 // drawing characters below as they might be invalid in the current 885 // drawing characters below as they might be invalid in the current
865 // locale. 886 // locale.
866 int width = WCWIDTH (c); 887 int width = WCWIDTH (c);
867 888
868 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 889 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
869 { 890 {
870 // vt100 special graphics and line drawing 891 // vt100 special graphics and line drawing
871 // 5f-7e standard vt100 892 // 5f-7e standard vt100
872 // 40-5e rxvt extension for extra curses acs chars 893 // 40-5e rxvt extension for extra curses acs chars
873 static uint16_t vt100_0[62] = { // 41 .. 7e 894 static uint16_t vt100_0[62] = { // 41 .. 7e
886 c = vt100_0[c - 0x41]; 907 c = vt100_0[c - 0x41];
887 width = 1; // vt100 line drawing characters are always single-width 908 width = 1; // vt100 line drawing characters are always single-width
888 } 909 }
889 } 910 }
890 911
891 if (expect_false (screen.flags & Screen_Insert)) 912 if (ecb_unlikely (screen.flags & Screen_Insert))
892 scr_insdel_chars (width, INSERT); 913 scr_insdel_chars (width, INSERT);
893 914
894 if (width != 0) 915 if (width != 0)
895 { 916 {
896#if !UNICODE_3 917#if !UNICODE_3
901# else 922# else
902 c = 0xfffd; 923 c = 0xfffd;
903# endif 924# endif
904#endif 925#endif
905 926
927 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
928
929 // if the character doesn't fit into the remaining columns...
930 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
931 {
932 if (screen.flags & Screen_Autowrap)
933 {
934 // ... artificially enlargen the previous one
935 c = NOCHAR;
936 // and try the same character next loop iteration
937 --str;
938 }
939 else
940 screen.cur.col = ncol - width;
941 }
942
906 // nuke the character at this position, if required 943 // nuke the character at this position, if required
907 if (expect_false ( 944 // due to wonderful coincidences everywhere else in this loop
945 // we never have to check for overwriting a wide char itself,
946 // only its tail.
908 line->t[screen.cur.col] == NOCHAR 947 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
909 || (screen.cur.col < ncol - 1
910 && line->t[screen.cur.col + 1] == NOCHAR)
911 ))
912 scr_kill_char (*line, screen.cur.col); 948 scr_kill_char (*line, screen.cur.col);
913
914 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
915
916 // if the character doesn't fit into the remaining columns...
917 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
918 {
919 // ... artificially enlargen the previous one
920 c = NOCHAR;
921 // and try the same character next loop iteration
922 --str;
923 }
924 949
925 line->touch (); 950 line->touch ();
926 951
927 do 952 do
928 { 953 {
929 line->t[screen.cur.col] = c; 954 line->t[screen.cur.col] = c;
930 line->r[screen.cur.col] = rend; 955 line->r[screen.cur.col] = rend;
931 956
932 if (expect_true (screen.cur.col < ncol - 1)) 957 if (ecb_likely (screen.cur.col < ncol - 1))
933 screen.cur.col++; 958 screen.cur.col++;
934 else 959 else
935 { 960 {
936 line->l = ncol; 961 line->l = ncol;
937 if (screen.flags & Screen_Autowrap) 962 if (screen.flags & Screen_Autowrap)
938 screen.flags |= Screen_WrapNext; 963 screen.flags |= Screen_WrapNext;
939 break; 964
965 goto end_of_line;
940 } 966 }
941 967
942 c = NOCHAR; 968 c = NOCHAR;
943 } 969 }
944 while (expect_false (--width > 0)); 970 while (ecb_unlikely (--width > 0));
945 971
946 // pad with spaces when overwriting wide character with smaller one 972 // pad with spaces when overwriting wide character with smaller one
947 if (expect_false (!width)) 973 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
948 { 974 {
949 line->touch ();
950
951 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
952 {
953 line->t[c] = ' '; 975 line->t[c] = ' ';
954 line->r[c] = rend; 976 line->r[c] = rend;
955 }
956 } 977 }
978
979end_of_line:
980 ;
957 } 981 }
958#if ENABLE_COMBINING 982#if ENABLE_COMBINING
959 else // width == 0 983 else // width == 0
960 { 984 {
961 if (c != 0xfeff) // ignore BOM 985 if (c != 0xfeff) // ignore BOM
1001#endif 1025#endif
1002 } 1026 }
1003 1027
1004 max_it (line->l, screen.cur.col); 1028 max_it (line->l, screen.cur.col);
1005 1029
1006#ifdef DEBUG_STRICT
1007 assert (screen.cur.row >= 0); 1030 assert (screen.cur.row >= 0);
1008#endif
1009} 1031}
1010 1032
1011/* ------------------------------------------------------------------------- */ 1033/* ------------------------------------------------------------------------- */
1012/* 1034/*
1013 * Process Backspace. Move back the cursor back a position, wrap if have to 1035 * Process Backspace. Move back the cursor back a position, wrap if have to
1026 1048
1027 want_refresh = 1; 1049 want_refresh = 1;
1028#endif 1050#endif
1029 } 1051 }
1030 } 1052 }
1053 else if (screen.flags & Screen_WrapNext)
1054 screen.flags &= ~Screen_WrapNext;
1031 else 1055 else
1032 scr_gotorc (0, -1, RELATIVE); 1056 scr_gotorc (0, -1, RELATIVE);
1033} 1057}
1034 1058
1035/* ------------------------------------------------------------------------- */ 1059/* ------------------------------------------------------------------------- */
1113 * XTERM_SEQ: ESC 6 1137 * XTERM_SEQ: ESC 6
1114 * Move cursor left in row. If we're at the left boundary, shift everything 1138 * Move cursor left in row. If we're at the left boundary, shift everything
1115 * in that row right. Clear left column. 1139 * in that row right. Clear left column.
1116 */ 1140 */
1117#if !ENABLE_MINIMAL 1141#if !ENABLE_MINIMAL
1118void 1142void ecb_cold
1119rxvt_term::scr_backindex () NOTHROW 1143rxvt_term::scr_backindex () NOTHROW
1120{ 1144{
1121 if (screen.cur.col > 0) 1145 if (screen.cur.col > 0)
1122 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1146 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1123 else 1147 else
1130 * XTERM_SEQ: ESC 9 1154 * XTERM_SEQ: ESC 9
1131 * Move cursor right in row. If we're at the right boundary, shift everything 1155 * Move cursor right in row. If we're at the right boundary, shift everything
1132 * in that row left. Clear right column. 1156 * in that row left. Clear right column.
1133 */ 1157 */
1134#if !ENABLE_MINIMAL 1158#if !ENABLE_MINIMAL
1135void 1159void ecb_cold
1136rxvt_term::scr_forwardindex () NOTHROW 1160rxvt_term::scr_forwardindex () NOTHROW
1137{ 1161{
1138 if (screen.cur.col < ncol - 1) 1162 if (screen.cur.col < ncol - 1)
1139 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1163 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1140 else 1164 else
1291 scr_blank_line (line, col, num, rstyle); 1315 scr_blank_line (line, col, num, rstyle);
1292} 1316}
1293 1317
1294/* ------------------------------------------------------------------------- */ 1318/* ------------------------------------------------------------------------- */
1295/* 1319/*
1296 * Erase part of whole of the screen 1320 * Erase part or whole of the screen
1297 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1321 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1322 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1323 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300 */ 1324 */
1301void 1325void
1310 ZERO_SCROLLBACK (); 1334 ZERO_SCROLLBACK ();
1311 1335
1312 switch (mode) 1336 switch (mode)
1313 { 1337 {
1314 case 0: /* erase to end of screen */ 1338 case 0: /* erase to end of screen */
1315 selection_check (1);
1316 scr_erase_line (0); 1339 scr_erase_line (0);
1317 row = screen.cur.row + 1; /* possible OOB */ 1340 row = screen.cur.row + 1; /* possible OOB */
1318 num = nrow - row; 1341 num = nrow - row;
1319 break; 1342 break;
1320 case 1: /* erase to beginning of screen */ 1343 case 1: /* erase to beginning of screen */
1321 selection_check (3);
1322 scr_erase_line (1); 1344 scr_erase_line (1);
1323 row = 0; 1345 row = 0;
1324 num = screen.cur.row; 1346 num = screen.cur.row;
1325 break; 1347 break;
1326 case 2: /* erase whole screen */ 1348 case 2: /* erase whole screen */
1327 selection_check (3);
1328 row = 0; 1349 row = 0;
1329 num = nrow; 1350 num = nrow;
1330 break; 1351 break;
1331 default: 1352 default:
1332 return; 1353 return;
1341 if (row >= nrow) /* Out Of Bounds */ 1362 if (row >= nrow) /* Out Of Bounds */
1342 return; 1363 return;
1343 1364
1344 min_it (num, nrow - row); 1365 min_it (num, nrow - row);
1345 1366
1346 // TODO: the code below does not work when view_start != 0
1347 // the workaround is to disable the clear and use a normal refresh
1348 // when view_start != 0. mysterious.
1349 if (rstyle & (RS_RVid | RS_Uline)) 1367 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1350 ren = (rend_t) ~RS_None; 1368 ren = (rend_t) ~RS_None;
1351 else if (GET_BASEBG (rstyle) == Color_bg) 1369 else if (GET_BASEBG (rstyle) == Color_bg)
1352 { 1370 {
1353 ren = DEFAULT_RSTYLE; 1371 ren = DEFAULT_RSTYLE;
1354 1372
1355 if (mapped && !view_start) 1373 if (mapped)
1356 XClearArea (dpy, vt, 0, 1374 XClearArea (dpy, vt, 0,
1357 Row2Pixel (row - view_start), (unsigned int)width, 1375 Row2Pixel (row - view_start), (unsigned int)vt_width,
1358 (unsigned int)Height2Pixel (num), False); 1376 (unsigned int)Height2Pixel (num), False);
1359 } 1377 }
1360 else 1378 else
1361 { 1379 {
1362 ren = rstyle & (RS_fgMask | RS_bgMask); 1380 ren = rstyle & (RS_fgMask | RS_bgMask);
1363 1381
1364 if (mapped && !view_start) 1382 if (mapped)
1365 { 1383 {
1366 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1384 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1367 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1385 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1368 XFillRectangle (dpy, vt, gc, 1386 XFillRectangle (dpy, vt, gc,
1369 0, Row2Pixel (row - view_start), 1387 0, Row2Pixel (row - view_start),
1370 (unsigned int)width, 1388 (unsigned int)vt_width,
1371 (unsigned int)Height2Pixel (num)); 1389 (unsigned int)Height2Pixel (num));
1372 gcvalue.foreground = pix_colors[Color_fg]; 1390 gcvalue.foreground = pix_colors[Color_fg];
1373 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1391 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1374 } 1392 }
1375 } 1393 }
1376 1394
1377 for (; num--; row++) 1395 for (; num--; row++)
1378 { 1396 {
1379 scr_blank_screen_mem (ROW(row), rstyle); 1397 scr_blank_screen_mem (ROW(row), rstyle);
1380 1398
1381 if (!view_start) 1399 if (row - view_start < nrow)
1382 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1400 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1383 } 1401 }
1384} 1402}
1385 1403
1386#if !ENABLE_MINIMAL 1404#if !ENABLE_MINIMAL
1387void 1405void
1397/* ------------------------------------------------------------------------- */ 1415/* ------------------------------------------------------------------------- */
1398/* 1416/*
1399 * Fill the screen with `E's 1417 * Fill the screen with `E's
1400 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1418 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1401 */ 1419 */
1402void 1420void ecb_cold
1403rxvt_term::scr_E () NOTHROW 1421rxvt_term::scr_E () NOTHROW
1404{ 1422{
1405 rend_t fs; 1423 rend_t fs;
1406 1424
1407 want_refresh = 1; 1425 want_refresh = 1;
1408 ZERO_SCROLLBACK (); 1426 ZERO_SCROLLBACK ();
1409 1427
1410 num_scr_allow = 0; 1428 num_scr_allow = 0;
1411 selection_check (3); 1429
1430 row_col_t pos;
1431 pos.row = pos.col = 0;
1432 if (ROWCOL_IS_AFTER (selection.end, pos))
1433 CLEAR_SELECTION ();
1412 1434
1413 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1435 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1414 for (int row = nrow; row--; ) 1436 for (int row = nrow; row--; )
1415 { 1437 {
1416 line_t &line = ROW(row); 1438 line_t &line = ROW(row);
1567/* ------------------------------------------------------------------------- */ 1589/* ------------------------------------------------------------------------- */
1568/* 1590/*
1569 * Set the scrolling region 1591 * Set the scrolling region
1570 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1592 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1571 */ 1593 */
1572void 1594void ecb_cold
1573rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1595rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1574{ 1596{
1575 max_it (top, 0); 1597 max_it (top, 0);
1576 min_it (bot, nrow - 1); 1598 min_it (bot, nrow - 1);
1577 1599
1587/* 1609/*
1588 * Make the cursor visible/invisible 1610 * Make the cursor visible/invisible
1589 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1611 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1590 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1612 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1591 */ 1613 */
1592void 1614void ecb_cold
1593rxvt_term::scr_cursor_visible (int mode) NOTHROW 1615rxvt_term::scr_cursor_visible (int mode) NOTHROW
1594{ 1616{
1595 want_refresh = 1; 1617 want_refresh = 1;
1596 1618
1597 if (mode) 1619 if (mode)
1604/* 1626/*
1605 * Set/unset automatic wrapping 1627 * Set/unset automatic wrapping
1606 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1628 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1607 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1629 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1608 */ 1630 */
1609void 1631void ecb_cold
1610rxvt_term::scr_autowrap (int mode) NOTHROW 1632rxvt_term::scr_autowrap (int mode) NOTHROW
1611{ 1633{
1612 if (mode) 1634 if (mode)
1613 screen.flags |= Screen_Autowrap; 1635 screen.flags |= Screen_Autowrap;
1614 else 1636 else
1623 * Relative mode: line numbers are relative to top margin of scrolling region 1645 * Relative mode: line numbers are relative to top margin of scrolling region
1624 * and the cursor cannot be moved outside. 1646 * and the cursor cannot be moved outside.
1625 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1647 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1626 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1648 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1627 */ 1649 */
1628void 1650void ecb_cold
1629rxvt_term::scr_relative_origin (int mode) NOTHROW 1651rxvt_term::scr_relative_origin (int mode) NOTHROW
1630{ 1652{
1631 if (mode) 1653 if (mode)
1632 screen.flags |= Screen_Relative; 1654 screen.flags |= Screen_Relative;
1633 else 1655 else
1640/* 1662/*
1641 * Set insert/replace mode 1663 * Set insert/replace mode
1642 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1664 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1643 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1665 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1644 */ 1666 */
1645void 1667void ecb_cold
1646rxvt_term::scr_insert_mode (int mode) NOTHROW 1668rxvt_term::scr_insert_mode (int mode) NOTHROW
1647{ 1669{
1648 if (mode) 1670 if (mode)
1649 screen.flags |= Screen_Insert; 1671 screen.flags |= Screen_Insert;
1650 else 1672 else
1656 * Set/Unset tabs 1678 * Set/Unset tabs
1657 * XTERM_SEQ: Set tab at current column : ESC H 1679 * XTERM_SEQ: Set tab at current column : ESC H
1658 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1680 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1659 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1681 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1660 */ 1682 */
1661void 1683void ecb_cold
1662rxvt_term::scr_set_tab (int mode) NOTHROW 1684rxvt_term::scr_set_tab (int mode) NOTHROW
1663{ 1685{
1664 if (mode < 0) 1686 if (mode < 0)
1665 memset (tabs, 0, ncol); 1687 memset (tabs, 0, ncol);
1666 else if (screen.cur.col < ncol) 1688 else if (screen.cur.col < ncol)
1685 if (rvideo_state != on) 1707 if (rvideo_state != on)
1686 { 1708 {
1687 rvideo_state = on; 1709 rvideo_state = on;
1688 1710
1689 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1711 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1690#ifdef HAVE_BG_PIXMAP 1712#ifdef HAVE_IMG
1691 if (bgPixmap.pixmap == None) 1713 if (bg_img == 0)
1692#endif 1714#endif
1693 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1715 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1694 1716
1695 XGCValues gcvalue; 1717 XGCValues gcvalue;
1696 gcvalue.foreground = pix_colors[Color_fg]; 1718 gcvalue.foreground = pix_colors[Color_fg];
1705/* ------------------------------------------------------------------------- */ 1727/* ------------------------------------------------------------------------- */
1706/* 1728/*
1707 * Report current cursor position 1729 * Report current cursor position
1708 * XTERM_SEQ: Report position: ESC [ 6 n 1730 * XTERM_SEQ: Report position: ESC [ 6 n
1709 */ 1731 */
1710void 1732void ecb_cold
1711rxvt_term::scr_report_position () NOTHROW 1733rxvt_term::scr_report_position () NOTHROW
1712{ 1734{
1713 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1735 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1714} 1736}
1715 1737
1718 * ------------------------------------------------------------------------- */ 1740 * ------------------------------------------------------------------------- */
1719 1741
1720/* 1742/*
1721 * Set font style 1743 * Set font style
1722 */ 1744 */
1723void 1745void ecb_cold
1724rxvt_term::set_font_style () NOTHROW 1746rxvt_term::set_font_style () NOTHROW
1725{ 1747{
1726#if 0 1748#if 0
1727 switch (charsets [screen.charset]) 1749 switch (charsets [screen.charset])
1728 { 1750 {
1750 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1772 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1751 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1773 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1752 * XTERM_SEQ: Invoke G2 character set: ESC N 1774 * XTERM_SEQ: Invoke G2 character set: ESC N
1753 * XTERM_SEQ: Invoke G3 character set: ESC O 1775 * XTERM_SEQ: Invoke G3 character set: ESC O
1754 */ 1776 */
1755void 1777void ecb_cold
1756rxvt_term::scr_charset_choose (int set) NOTHROW 1778rxvt_term::scr_charset_choose (int set) NOTHROW
1757{ 1779{
1758 screen.charset = set; 1780 screen.charset = set;
1759 set_font_style (); 1781 set_font_style ();
1760} 1782}
1781 * ------------------------------------------------------------------------- */ 1803 * ------------------------------------------------------------------------- */
1782 1804
1783/* 1805/*
1784 * refresh matching text. 1806 * refresh matching text.
1785 */ 1807 */
1786bool 1808bool ecb_cold
1787rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1809rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1788{ 1810{
1789 bool found = false; 1811 bool found = false;
1790 1812
1791 for (int i = 0; i < nrow; i++) 1813 for (int i = 0; i < nrow; i++)
1810 PART_BEG = 0, 1832 PART_BEG = 0,
1811 PART_END, 1833 PART_END,
1812 RC_COUNT 1834 RC_COUNT
1813}; 1835};
1814 1836
1815void 1837void ecb_hot
1816rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1838rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1817{ 1839{
1818 int i; 1840 int i;
1819 row_col_t rc[RC_COUNT]; 1841 row_col_t rc[RC_COUNT];
1820 1842
1840 for (i = PART_BEG; i < RC_COUNT; i++) 1862 for (i = PART_BEG; i < RC_COUNT; i++)
1841 { 1863 {
1842 min_it (rc[i].col, ncol - 1); 1864 min_it (rc[i].col, ncol - 1);
1843 min_it (rc[i].row, nrow - 1); 1865 min_it (rc[i].row, nrow - 1);
1844 } 1866 }
1845// TODO: this line somehow causes segfault if scr_expose() is called just after resize 1867
1846 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1868 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1847 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1869 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1848 1870
1849 num_scr_allow = 0; 1871 num_scr_allow = 0;
1850 1872
1857 * Refresh the entire screen 1879 * Refresh the entire screen
1858 */ 1880 */
1859void 1881void
1860rxvt_term::scr_touch (bool refresh) NOTHROW 1882rxvt_term::scr_touch (bool refresh) NOTHROW
1861{ 1883{
1862 scr_expose (0, 0, width, height, refresh); 1884 scr_expose (0, 0, vt_width, vt_height, refresh);
1863} 1885}
1864 1886
1865/* ------------------------------------------------------------------------- */ 1887/* ------------------------------------------------------------------------- */
1866/* 1888/*
1867 * Move the display so that the line represented by scrollbar value Y is at 1889 * Move the display so that the line represented by scrollbar value Y is at
1923 1945
1924# ifndef NO_MAPALERT 1946# ifndef NO_MAPALERT
1925# ifdef MAPALERT_OPTION 1947# ifdef MAPALERT_OPTION
1926 if (option (Opt_mapAlert)) 1948 if (option (Opt_mapAlert))
1927# endif 1949# endif
1928 XMapWindow (dpy, parent[0]); 1950 XMapWindow (dpy, parent);
1929# endif 1951# endif
1930 1952
1931# if ENABLE_FRILLS 1953# if ENABLE_FRILLS
1932 if (option (Opt_urgentOnBell)) 1954 if (option (Opt_urgentOnBell))
1933 set_urgency (1); 1955 set_urgency (1);
1941 1963
1942 bell_ev.start (VISUAL_BELL_DURATION); 1964 bell_ev.start (VISUAL_BELL_DURATION);
1943 } 1965 }
1944 else 1966 else
1945 XBell (dpy, 0); 1967 XBell (dpy, 0);
1968 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1946#endif 1969#endif
1947} 1970}
1948 1971
1949/* ------------------------------------------------------------------------- */ 1972/* ------------------------------------------------------------------------- */
1950/* ARGSUSED */ 1973void ecb_cold
1951void
1952rxvt_term::scr_printscreen (int fullhist) NOTHROW 1974rxvt_term::scr_printscreen (int fullhist) NOTHROW
1953{ 1975{
1954#ifdef PRINTPIPE 1976#ifdef PRINTPIPE
1955 int nrows, row_start; 1977 int nrows, row_start;
1956 FILE *fd = popen_printer (); 1978 FILE *fd = popen_printer ();
1969 row_start = view_start; 1991 row_start = view_start;
1970 } 1992 }
1971 1993
1972 wctomb (0, 0); 1994 wctomb (0, 0);
1973 1995
1974 for (int r1 = 0; r1 < nrows; r1++) 1996 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1975 { 1997 {
1976 text_t *tp = ROW(r1).t; 1998 text_t *tp = ROW(r1).t;
1977 int len = ROW(r1).l; 1999 int len = ROW(r1).l;
1978 2000
1979 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 2001 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2005/* 2027/*
2006 * Refresh the screen 2028 * Refresh the screen
2007 * drawn_text/drawn_rend contain the screen information before the update. 2029 * drawn_text/drawn_rend contain the screen information before the update.
2008 * screen.text/screen.rend contain what the screen will change to. 2030 * screen.text/screen.rend contain what the screen will change to.
2009 */ 2031 */
2010void 2032void ecb_hot
2011rxvt_term::scr_refresh () NOTHROW 2033rxvt_term::scr_refresh () NOTHROW
2012{ 2034{
2013 int16_t col, row, /* column/row we're processing */ 2035 int16_t col, row, /* column/row we're processing */
2014 ocrow; /* old cursor row */ 2036 ocrow; /* old cursor row */
2015 int i; /* tmp */ 2037 int i; /* tmp */
2029 * A: set up vars 2051 * A: set up vars
2030 */ 2052 */
2031 refresh_count = 0; 2053 refresh_count = 0;
2032 2054
2033 unsigned int old_screen_flags = screen.flags; 2055 unsigned int old_screen_flags = screen.flags;
2034 char have_bg = 0; 2056 bool have_bg = 0;
2035#ifdef HAVE_BG_PIXMAP 2057#ifdef HAVE_IMG
2036 have_bg = bgPixmap.pixmap != None; 2058 have_bg = bg_img != 0;
2037#endif 2059#endif
2038 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2060 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2039 2061
2040 /* 2062 /*
2041 * B: reverse any characters which are selected 2063 * B: reverse any characters which are selected
2045 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END)); 2067 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2046#if ENABLE_OVERLAY 2068#if ENABLE_OVERLAY
2047 scr_swap_overlay (); 2069 scr_swap_overlay ();
2048#endif 2070#endif
2049 2071
2050 char showcursor = screen.flags & Screen_VisibleCursor; 2072 bool showcursor = screen.flags & Screen_VisibleCursor;
2051 2073
2052 /* 2074 /*
2053 * C: set the cursor character (s) 2075 * C: set the cursor character (s)
2054 */ 2076 */
2055 { 2077 {
2056 unsigned char setoldcursor; 2078 bool setoldcursor;
2057 2079
2058#ifdef CURSOR_BLINK 2080#ifdef CURSOR_BLINK
2059 if (hidden_cursor) 2081 if (hidden_cursor)
2060 showcursor = 0; 2082 showcursor = 0;
2061#endif 2083#endif
2090 ccol2 = bgcolor_of (rstyle); 2112 ccol2 = bgcolor_of (rstyle);
2091#else 2113#else
2092 ccol2 = Color_bg; 2114 ccol2 = Color_bg;
2093#endif 2115#endif
2094 2116
2095 if (showcursor && focus) 2117 if (focus)
2096 { 2118 {
2097 if (option (Opt_cursorUnderline)) 2119 if (option (Opt_cursorUnderline))
2098 *crp ^= RS_Uline; 2120 *crp ^= RS_Uline;
2099 else 2121 else
2100 { 2122 {
2148 { 2170 {
2149 int16_t nits; 2171 int16_t nits;
2150 int i = num_scr; 2172 int i = num_scr;
2151 int j; 2173 int j;
2152 int len, wlen; 2174 int len, wlen;
2153 dLocal (int, num_scr);
2154 2175
2155 j = nrow; 2176 j = nrow;
2156 wlen = len = -1; 2177 wlen = len = -1;
2157 row = i > 0 ? 0 : j - 1; 2178 row = i > 0 ? 0 : j - 1;
2158 2179
2233 continue; 2254 continue;
2234 2255
2235 // redraw one or more characters 2256 // redraw one or more characters
2236 2257
2237 // seek to the beginning of wide characters 2258 // seek to the beginning of wide characters
2238 while (expect_false (stp[col] == NOCHAR && col > 0)) 2259 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2239 --col; 2260 --col;
2240 2261
2241 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2262 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2242 text_t *text = stp + col; 2263 text_t *text = stp + col;
2243 int count = 1; 2264 int count = 1;
2244 2265
2245 dtp[col] = stp[col]; 2266 dtp[col] = stp[col];
2246 drp[col] = rend; 2267 drp[col] = rend;
2281 2302
2282 col--; /* went one too far. move back */ 2303 col--; /* went one too far. move back */
2283 count -= i; /* dump any matching trailing chars */ 2304 count -= i; /* dump any matching trailing chars */
2284 2305
2285 // sometimes we optimize away the trailing NOCHAR's, add them back 2306 // sometimes we optimize away the trailing NOCHAR's, add them back
2286 while (expect_false (i && text[count] == NOCHAR)) 2307 while (ecb_unlikely (i && text[count] == NOCHAR))
2287 count++, i--; 2308 count++, i--;
2288 2309
2289 /* 2310 /*
2290 * Determine the attributes for the string 2311 * Determine the attributes for the string
2291 */ 2312 */
2292 int fore = fgcolor_of (rend); // desired foreground 2313 int fore = fgcolor_of (rend); // desired foreground
2293 int back = bgcolor_of (rend); // desired background 2314 int back = bgcolor_of (rend); // desired background
2294 2315
2295 // only do special processing if any attributes are set, which is unlikely 2316 // only do special processing if any attributes are set, which is unlikely
2296 if (expect_false (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))) 2317 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2297 { 2318 {
2298 bool invert = rend & RS_RVid; 2319 bool invert = rend & RS_RVid;
2299 2320
2300#ifndef NO_BOLD_UNDERLINE_REVERSE 2321#ifndef NO_BOLD_UNDERLINE_REVERSE
2301 if (rend & RS_Bold && fore == Color_fg) 2322 if (rend & RS_Bold && fore == Color_fg)
2320 2341
2321 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL)) 2342 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2322 fore = Color_UL; 2343 fore = Color_UL;
2323#endif 2344#endif
2324 2345
2346#ifdef OPTION_HC
2347 if (rend & RS_Sel)
2348 {
2349 /* invert the column if no highlightColor is set or it is the
2350 * current cursor column */
2351 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2352 && ISSET_PIXCOLOR (Color_HC))
2353 {
2354 if (ISSET_PIXCOLOR (Color_HTC))
2355 fore = Color_HTC;
2356 // if invert is 0 reverse video is set so we use bg color as fg color
2357 else if (!invert)
2358 fore = back;
2359
2360 back = Color_HC;
2361 invert = 0;
2362 }
2363 }
2364#endif
2365
2325 if (invert) 2366 if (invert)
2326 { 2367 {
2327#ifdef OPTION_HC
2328 if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2329 || !ISSET_PIXCOLOR (Color_HC))
2330#endif
2331 /* invert the column if no highlightColor is set or it is the
2332 * current cursor column */
2333 ::swap (fore, back); 2368 ::swap (fore, back);
2334#ifdef OPTION_HC
2335 else if (ISSET_PIXCOLOR (Color_HC))
2336 back = Color_HC;
2337#endif
2338 2369
2339#ifndef NO_BOLD_UNDERLINE_REVERSE 2370#ifndef NO_BOLD_UNDERLINE_REVERSE
2340# ifndef OPTION_HC
2341 if (ISSET_PIXCOLOR (Color_RV))
2342 back = Color_RV;
2343# endif
2344 if (fore == back) 2371 if (fore == back)
2345 { 2372 {
2346 fore = Color_bg; 2373 fore = Color_bg;
2347 back = Color_fg; 2374 back = Color_fg;
2348 } 2375 }
2384 /* 2411 /*
2385 * Actually do the drawing of the string here 2412 * Actually do the drawing of the string here
2386 */ 2413 */
2387 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2414 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2388 2415
2389 if (expect_true (have_bg && back == Color_bg)) 2416 if (ecb_likely (have_bg && back == Color_bg))
2390 { 2417 {
2391 // this is very ugly, maybe push it into ->draw? 2418 // this is very ugly, maybe push it into ->draw?
2392 2419
2393 for (i = 0; i < count; i++) /* don't draw empty strings */ 2420 for (i = 0; i < count; i++) /* don't draw empty strings */
2394 if (text[i] != ' ') 2421 if (text[i] != ' ')
2401 did_clear: ; 2428 did_clear: ;
2402 } 2429 }
2403 else 2430 else
2404 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2431 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2405 2432
2406 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2433 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2407 { 2434 {
2408#if ENABLE_FRILLS 2435#if ENABLE_FRILLS
2409 if (ISSET_PIXCOLOR (Color_underline)) 2436 if (ISSET_PIXCOLOR (Color_underline))
2410 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2437 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2411 else 2438 else
2457 2484
2458 XDrawRectangle (dpy, vt, gc, 2485 XDrawRectangle (dpy, vt, gc,
2459 Col2Pixel (col), 2486 Col2Pixel (col),
2460 Row2Pixel (oldcursor.row), 2487 Row2Pixel (oldcursor.row),
2461 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2488 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2462 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2489 (unsigned int) (Height2Pixel (1) - 1));
2463 } 2490 }
2464 } 2491 }
2465 2492
2466 /* 2493 /*
2467 * H: cleanup selection 2494 * H: cleanup selection
2476 screen.flags = old_screen_flags; 2503 screen.flags = old_screen_flags;
2477 num_scr = 0; 2504 num_scr = 0;
2478 num_scr_allow = 1; 2505 num_scr_allow = 1;
2479} 2506}
2480 2507
2481void 2508void ecb_cold
2482rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2509rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2483{ 2510{
2484 if (!l.t) 2511 if (!l.valid ())
2485 return; 2512 return;
2486 2513
2487 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2514 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2488 2515
2489 for (int i = ncol; i--; ) 2516 for (int i = ncol; i--; )
2490 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2517 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2491} 2518}
2492 2519
2493void 2520void ecb_cold
2494rxvt_term::scr_remap_chars () NOTHROW 2521rxvt_term::scr_remap_chars () NOTHROW
2495{ 2522{
2496 for (int i = total_rows; i--; ) 2523 for (int i = total_rows; i--; )
2497 scr_remap_chars (row_buf [i]); 2524 scr_remap_chars (row_buf [i]);
2498 2525
2501 scr_remap_chars (drawn_buf [i]); 2528 scr_remap_chars (drawn_buf [i]);
2502 scr_remap_chars (swap_buf [i]); 2529 scr_remap_chars (swap_buf [i]);
2503 } 2530 }
2504} 2531}
2505 2532
2506void 2533void ecb_cold
2507rxvt_term::scr_recolour () NOTHROW 2534rxvt_term::scr_recolour (bool refresh) NOTHROW
2508{ 2535{
2509#ifdef HAVE_BG_PIXMAP 2536 bool transparent = false;
2510 bgPixmap.apply ();
2511#else
2512 2537
2538#ifdef HAVE_IMG
2539 if (bg_img != 0)
2540 {
2541# if ENABLE_TRANSPARENCY
2542 if (bg_flags & BG_IS_TRANSPARENT)
2543 {
2544 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2545 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2546
2547 transparent = true;
2548 }
2549 else
2550# endif
2551 {
2552 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2553 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2554 }
2555 }
2556 else
2557#endif
2558 {
2513 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2559 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2514 XClearWindow (dpy, parent[0]);
2515 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2560 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2561 }
2562
2563 XClearWindow (dpy, parent);
2516 2564
2517 if (scrollBar.win) 2565 if (scrollBar.win)
2518 { 2566 {
2567 if (transparent)
2568 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2569 else
2519 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2570 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2520 scrollBar.state = STATE_IDLE; 2571 scrollBar.state = SB_STATE_IDLE;
2521 scrollBar.show (0); 2572 scrollBar.show (0);
2522 } 2573 }
2523 2574
2524#endif 2575 if (refresh)
2525 2576 {
2526 /* bgPixmap.apply () does not do the following : */
2527 scr_clear (); 2577 scr_clear ();
2528 scr_touch (true); 2578 scr_touch (true);
2579 }
2529 want_refresh = 1; 2580 want_refresh = 1;
2530} 2581}
2531 2582
2532/* ------------------------------------------------------------------------- */ 2583/* ------------------------------------------------------------------------- */
2533void 2584void
2590 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2641 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2591 srp[col] ^= rstyle; 2642 srp[col] ^= rstyle;
2592} 2643}
2593 2644
2594/* ------------------------------------------------------------------------- */ 2645/* ------------------------------------------------------------------------- */
2595void 2646void ecb_hot
2596rxvt_term::scr_reverse_selection () NOTHROW 2647rxvt_term::scr_reverse_selection () NOTHROW
2597{ 2648{
2598 if (selection.op 2649 if (selection.op
2599 && current_screen == selection.screen 2650 && current_screen == selection.screen
2600 && selection.end.row >= view_start) 2651 && selection.end.row >= view_start)
2601 { 2652 {
2602#if !ENABLE_MINIMAL 2653#if !ENABLE_MINIMAL
2603 if (selection.rect) 2654 if (selection.rect)
2604 scr_xor_rect (selection.beg.row, selection.beg.col, 2655 scr_xor_rect (selection.beg.row, selection.beg.col,
2605 selection.end.row, selection.end.col, 2656 selection.end.row, selection.end.col,
2606 RS_RVid, RS_RVid | RS_Uline); 2657 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2607 else 2658 else
2608#endif 2659#endif
2609 scr_xor_span (selection.beg.row, selection.beg.col, 2660 scr_xor_span (selection.beg.row, selection.beg.col,
2610 selection.end.row, selection.end.col, 2661 selection.end.row, selection.end.col,
2611 RS_RVid); 2662 RS_Sel | RS_RVid);
2612 } 2663 }
2613} 2664}
2614 2665
2615/* ------------------------------------------------------------------------- */ 2666/* ------------------------------------------------------------------------- */
2616/* 2667/*
2619 */ 2670 */
2620#if 0 2671#if 0
2621void 2672void
2622rxvt_term::scr_dump (int fd) NOTHROW 2673rxvt_term::scr_dump (int fd) NOTHROW
2623{ 2674{
2624 int row, wrote; 2675 // if this method is needed, it can be implemented by factoring the
2625 unsigned int width, towrite; 2676 // relevant code in scr_printscreen
2626 char r1[] = "\n";
2627
2628 for (row = saveLines + top_row;
2629 row < saveLines + nrow - 1; row++)
2630 {
2631 width = row_buf[row].l >= 0 ? row_buf[row].l
2632 : ncol;
2633 for (towrite = width; towrite; towrite -= wrote)
2634 {
2635 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2636 towrite);
2637 if (wrote < 0)
2638 return; /* XXX: death, no report */
2639 }
2640 if (row_buf[row].l >= 0)
2641 if (write (fd, r1, 1) <= 0)
2642 return; /* XXX: death, no report */
2643 }
2644} 2677}
2645#endif 2678#endif
2646 2679
2647/* ------------------------------------------------------------------------- * 2680/* ------------------------------------------------------------------------- *
2648 * CHARACTER SELECTION * 2681 * CHARACTER SELECTION *
2649 * ------------------------------------------------------------------------- */ 2682 * ------------------------------------------------------------------------- */
2650void 2683void
2651rxvt_term::selection_check (int check_more) NOTHROW 2684rxvt_term::selection_check (int check_more) NOTHROW
2652{ 2685{
2653 row_col_t pos;
2654
2655 if (!selection.op) 2686 if (!selection.op)
2656 return; 2687 return;
2657 2688
2658 pos.row = pos.col = 0;
2659 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2689 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2660 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2690 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2661 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2691 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2662 || (check_more == 1 2692 || (check_more == 1
2663 && current_screen == selection.screen 2693 && current_screen == selection.screen
2664 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2694 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2665 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2695 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2666 || (check_more == 2
2667 && ROWCOL_IS_BEFORE (selection.beg, pos)
2668 && ROWCOL_IS_AFTER (selection.end, pos))
2669 || (check_more == 3
2670 && ROWCOL_IS_AFTER (selection.end, pos))
2671 || (check_more == 4 /* screen width change */
2672 && (selection.beg.row != selection.end.row
2673 || selection.end.col > ncol)))
2674 CLEAR_SELECTION (); 2696 CLEAR_ALL_SELECTION ();
2675} 2697}
2676 2698
2677/* ------------------------------------------------------------------------- */ 2699/* ------------------------------------------------------------------------- */
2678/* 2700/*
2679 * Paste a selection direct to the command fd 2701 * Paste a selection direct to the command fd
2680 */ 2702 */
2681void 2703void
2682rxvt_term::paste (char *data, unsigned int len) NOTHROW 2704rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2683{ 2705{
2684 /* convert normal newline chars into common keyboard Return key sequence */ 2706 /* convert normal newline chars into common keyboard Return key sequence */
2685 for (unsigned int i = 0; i < len; i++) 2707 for (unsigned int i = 0; i < len; i++)
2686 if (data[i] == C0_LF) 2708 if (data[i] == C0_LF)
2687 data[i] = C0_CR; 2709 data[i] = C0_CR;
2688 2710
2689 if (priv_modes & PrivMode_BracketPaste) 2711 if (priv_modes & PrivMode_BracketPaste)
2690 tt_printf ("\e[200~"); 2712 tt_printf ("\x1b[200~");
2691 2713
2692 tt_write (data, len); 2714 tt_write (data, len);
2693 2715
2694 if (priv_modes & PrivMode_BracketPaste) 2716 if (priv_modes & PrivMode_BracketPaste)
2695 tt_printf ("\e[201~"); 2717 tt_printf ("\x1b[201~");
2696} 2718}
2697 2719
2698/* ------------------------------------------------------------------------- */
2699/*
2700 * Respond to a notification that a primary selection has been sent
2701 * EXT: SelectionNotify
2702 */
2703void 2720void
2704rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW 2721rxvt_term::paste (char *data, unsigned int len) NOTHROW
2705{ 2722{
2706 if (prop == None) /* check for failed XConvertSelection */ 2723 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2707 {
2708 if ((selection_type & Sel_CompoundText))
2709 {
2710 int selnum = selection_type & Sel_whereMask;
2711
2712 selection_type = 0;
2713 if (selnum != Sel_direct)
2714 selection_request_other (XA_STRING, selnum);
2715 }
2716
2717 if ((selection_type & Sel_UTF8String))
2718 {
2719 int selnum = selection_type & Sel_whereMask;
2720
2721 selection_type = Sel_CompoundText;
2722 if (selnum != Sel_direct)
2723 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2724 else
2725 selection_type = 0;
2726 }
2727
2728 return;
2729 }
2730
2731 unsigned long bytes_after;
2732 XTextProperty ct;
2733
2734 if (XGetWindowProperty (dpy, win, prop,
2735 0, PROP_SIZE / 4,
2736 delete_prop, AnyPropertyType,
2737 &ct.encoding, &ct.format,
2738 &ct.nitems, &bytes_after,
2739 &ct.value) != Success)
2740 {
2741 ct.value = 0;
2742 goto bailout;
2743 }
2744
2745 if (ct.encoding == None)
2746 goto bailout;
2747
2748 if (bytes_after)
2749 {
2750 // fetch and append remaining data
2751 XTextProperty ct2;
2752
2753 if (XGetWindowProperty (dpy, win, prop,
2754 ct.nitems / 4, (bytes_after + 3) / 4,
2755 delete_prop, AnyPropertyType,
2756 &ct2.encoding, &ct2.format,
2757 &ct2.nitems, &bytes_after,
2758 &ct2.value) != Success)
2759 goto bailout;
2760
2761 // realloc should be compatible to XFree, here, and elsewhere, too
2762 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2763 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2764 ct.nitems += ct2.nitems;
2765
2766 XFree (ct2.value);
2767 }
2768
2769 if (ct.value == 0)
2770 goto bailout;
2771
2772 if (ct.encoding == xa[XA_INCR])
2773 {
2774 // INCR selection, start handshake
2775 if (!delete_prop)
2776 XDeleteProperty (dpy, win, prop);
2777
2778 selection_wait = Sel_incr;
2779 incr_buf_fill = 0;
2780 incr_ev.start (10);
2781
2782 goto bailout;
2783 }
2784
2785 if (ct.nitems == 0)
2786 {
2787 if (selection_wait == Sel_incr)
2788 {
2789 XFree (ct.value);
2790
2791 // finally complete, now paste the whole thing
2792 selection_wait = Sel_normal;
2793 ct.value = (unsigned char *)incr_buf;
2794 ct.nitems = incr_buf_fill;
2795 incr_buf = 0;
2796 incr_buf_size = 0;
2797 incr_ev.stop ();
2798 }
2799 else
2800 {
2801 if (selection_wait == Sel_normal
2802 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2803 {
2804 /*
2805 * pass through again trying CUT_BUFFER0 if we've come from
2806 * XConvertSelection () but nothing was presented
2807 */
2808 selection_paste (display->root, XA_CUT_BUFFER0, False);
2809 }
2810
2811 goto bailout;
2812 }
2813 }
2814 else if (selection_wait == Sel_incr)
2815 {
2816 incr_ev.start (10);
2817
2818 while (incr_buf_fill + ct.nitems > incr_buf_size)
2819 {
2820 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2821 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2822 }
2823
2824 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2825 incr_buf_fill += ct.nitems;
2826
2827 goto bailout;
2828 }
2829
2830 char **cl;
2831 int cr;
2832
2833#if !ENABLE_MINIMAL
2834 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2835 // so recode it manually
2836 if (ct.encoding == xa[XA_UTF8_STRING])
2837 {
2838 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2839 char *s = rxvt_wcstombs (w);
2840 free (w);
2841 // TODO: strlen == only the first element will be converted. well...
2842 paste (s, strlen (s));
2843 free (s);
2844 }
2845 else
2846#endif
2847 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2848 && cl)
2849 {
2850 for (int i = 0; i < cr; i++)
2851 paste (cl[i], strlen (cl[i]));
2852
2853 XFreeStringList (cl);
2854 }
2855 else
2856 paste ((char *)ct.value, ct.nitems); // paste raw
2857
2858bailout:
2859 XFree (ct.value);
2860
2861 if (selection_wait == Sel_normal)
2862 selection_wait = Sel_none;
2863}
2864
2865void
2866rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2867{
2868 selection_wait = Sel_none;
2869
2870 incr_buf_size = 0;
2871 free (incr_buf);
2872
2873 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2874}
2875
2876void
2877rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2878{
2879 if (prop == None || selection_wait != Sel_incr)
2880 return; 2724 return;
2881 2725
2882 selection_paste (win, prop, true); 2726 tt_paste (data, len);
2883} 2727}
2884 2728
2885/* ------------------------------------------------------------------------- */ 2729/* ------------------------------------------------------------------------- */
2886/* 2730/*
2887 * Request the current selection: 2731 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2888 * Order: > internal selection if available 2732 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2889 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2733 * as fallback
2890 * > CUT_BUFFER0
2891 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2892 * will auto fallback to CUT_BUFFER0
2893 * EXT: button 2 release 2734 * EXT: button 2 release
2894 */ 2735 */
2895void 2736void
2896rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2737rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2897{ 2738{
2898 if (selection.text && selnum == Sel_Primary) 2739 if (!selection_req)
2899 {
2900 /* internal selection */
2901 char *str = rxvt_wcstombs (selection.text, selection.len);
2902 paste (str, strlen (str));
2903 free (str);
2904 return;
2905 } 2740 {
2906 else 2741 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2742 selection_req->run ();
2907 { 2743 }
2908 selection_request_time = tm;
2909 selection_wait = Sel_normal;
2910
2911#if X_HAVE_UTF8_STRING
2912 selection_type = Sel_UTF8String;
2913 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2914 return;
2915#else
2916 selection_type = Sel_CompoundText;
2917 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2918 return;
2919#endif
2920 }
2921
2922 selection_wait = Sel_none; /* don't loop in selection_paste () */
2923 selection_paste (display->root, XA_CUT_BUFFER0, false);
2924}
2925
2926int
2927rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2928{
2929 Atom sel;
2930
2931 selection_type |= selnum;
2932
2933 if (selnum == Sel_Primary)
2934 sel = XA_PRIMARY;
2935 else if (selnum == Sel_Secondary)
2936 sel = XA_SECONDARY;
2937 else
2938 sel = xa[XA_CLIPBOARD];
2939
2940 if (XGetSelectionOwner (dpy, sel) != None)
2941 {
2942 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2943 vt, selection_request_time);
2944 return 1;
2945 }
2946
2947 return 0;
2948} 2744}
2949 2745
2950/* ------------------------------------------------------------------------- */ 2746/* ------------------------------------------------------------------------- */
2951/* 2747/*
2952 * Clear all selected text 2748 * Clear all selected text
2953 * EXT: SelectionClear 2749 * EXT: SelectionClear
2954 */ 2750 */
2955void 2751void
2956rxvt_term::selection_clear () NOTHROW 2752rxvt_term::selection_clear (bool clipboard) NOTHROW
2957{ 2753{
2754 if (!clipboard)
2755 {
2958 want_refresh = 1; 2756 want_refresh = 1;
2959 free (selection.text); 2757 free (selection.text);
2960 selection.text = NULL; 2758 selection.text = NULL;
2961 selection.len = 0; 2759 selection.len = 0;
2962 CLEAR_SELECTION (); 2760 CLEAR_SELECTION ();
2963 2761
2964 if (display->selection_owner == this) 2762 if (display->selection_owner == this)
2965 display->selection_owner = 0; 2763 display->selection_owner = 0;
2764 }
2765 else
2766 {
2767 free (selection.clip_text);
2768 selection.clip_text = NULL;
2769 selection.clip_len = 0;
2770
2771 if (display->clipboard_owner == this)
2772 display->clipboard_owner = 0;
2773 }
2966} 2774}
2967 2775
2968/* ------------------------------------------------------------------------- */ 2776/* ------------------------------------------------------------------------- */
2969/* 2777/*
2970 * Copy a selection into the cut buffer 2778 * Copy a selection into the cut buffer
2971 * EXT: button 1 or 3 release 2779 * EXT: button 1 or 3 release
2972 */ 2780 */
2973void 2781void
2974rxvt_term::selection_make (Time tm) 2782rxvt_term::selection_make (Time tm)
2975{ 2783{
2976 int i; 2784 int size;
2977 wchar_t *new_selection_text; 2785 wchar_t *new_selection_text;
2978 text_t *t; 2786 text_t *t;
2979 2787
2980 switch (selection.op) 2788 switch (selection.op)
2981 { 2789 {
2997 return; /* nothing selected, go away */ 2805 return; /* nothing selected, go away */
2998 2806
2999 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2807 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3000 return; 2808 return;
3001 2809
3002 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2810 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3003 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2811 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3004 2812
3005 int ofs = 0; 2813 int ofs = 0;
3006 int extra = 0; 2814 int extra = 0;
3007 2815
3008 int col = selection.beg.col; 2816 int col = selection.beg.col;
3014 { 2822 {
3015#if !ENABLE_MINIMAL 2823#if !ENABLE_MINIMAL
3016 if (selection.rect) 2824 if (selection.rect)
3017 { 2825 {
3018 col = selection.beg.col; 2826 col = selection.beg.col;
3019 end_col = ncol + 1; 2827 end_col = selection.end.col;
3020 } 2828 }
3021 else 2829 else
3022#endif 2830#endif
3023 end_col = ROW(row).l; 2831 end_col = ROW(row).l;
3024 2832
3025 col = max (col, 0); 2833 col = max (col, 0);
3026 2834
3027 if (row == selection.end.row 2835 if (row == selection.end.row)
3028#if !ENABLE_MINIMAL
3029 || selection.rect
3030#endif
3031 )
3032 min_it (end_col, selection.end.col); 2836 min_it (end_col, selection.end.col);
3033 2837
3034 t = ROW(row).t + col; 2838 t = ROW(row).t + col;
3035 2839
3036 for (; col < end_col; col++) 2840 for (; col < end_col; col++)
3044 2848
3045 extra -= (len - 1); 2849 extra -= (len - 1);
3046 2850
3047 if (extra < 0) 2851 if (extra < 0)
3048 { 2852 {
3049 extra += i; 2853 extra += size;
3050 i += i; 2854 size += size;
3051 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2855 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3052 } 2856 }
3053 2857
3054 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2858 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3055 } 2859 }
3056#endif 2860#endif
3068 2872
3069 new_selection_text[ofs++] = C0_LF; 2873 new_selection_text[ofs++] = C0_LF;
3070 } 2874 }
3071 else 2875 else
3072#endif 2876#endif
3073 if (!ROW(row).is_longer () && row != selection.end.row) 2877 if (!ROW(row).is_longer ()
2878 && (row != selection.end.row || end_col != selection.end.col)
2879 && (row != selection.beg.row || selection.beg.col < ncol))
3074 new_selection_text[ofs++] = C0_LF; 2880 new_selection_text[ofs++] = C0_LF;
3075 } 2881 }
3076
3077 if (end_col != selection.end.col)
3078 new_selection_text[ofs++] = C0_LF;
3079 2882
3080 new_selection_text[ofs] = 0; 2883 new_selection_text[ofs] = 0;
3081 2884
3082 if (ofs == 0) 2885 if (ofs == 0)
3083 { 2886 {
3096 2899
3097 selection_grab (tm); 2900 selection_grab (tm);
3098} 2901}
3099 2902
3100bool 2903bool
3101rxvt_term::selection_grab (Time tm) NOTHROW 2904rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
3102{ 2905{
2906 Atom sel;
2907
2908 if (!clipboard)
2909 {
3103 selection_time = tm; 2910 selection_time = tm;
2911 sel = XA_PRIMARY;
2912 }
2913 else
2914 {
2915 clipboard_time = tm;
2916 sel = xa[XA_CLIPBOARD];
2917 }
3104 2918
3105 XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm); 2919 XSetSelectionOwner (dpy, sel, vt, tm);
3106 if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt) 2920 if (XGetSelectionOwner (dpy, sel) == vt)
3107 { 2921 {
3108 display->set_selection_owner (this); 2922 display->set_selection_owner (this, clipboard);
3109 return true; 2923 return true;
3110 } 2924 }
3111 else 2925 else
3112 { 2926 {
3113 selection_clear (); 2927 selection_clear (clipboard);
3114 return false; 2928 return false;
3115 } 2929 }
3116 2930
3117#if 0 2931#if 0
3118 XTextProperty ct; 2932 XTextProperty ct;
3128/* ------------------------------------------------------------------------- */ 2942/* ------------------------------------------------------------------------- */
3129/* 2943/*
3130 * Mark or select text based upon number of clicks: 1, 2, or 3 2944 * Mark or select text based upon number of clicks: 1, 2, or 3
3131 * EXT: button 1 press 2945 * EXT: button 1 press
3132 */ 2946 */
3133void 2947void ecb_cold
3134rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2948rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3135{ 2949{
3136 clicks = ((clicks - 1) % 3) + 1; 2950 clicks = ((clicks - 1) % 3) + 1;
3137 selection.clicks = clicks; /* save clicks so extend will work */ 2951 selection.clicks = clicks; /* save clicks so extend will work */
3138 2952
3157 2971
3158/* ------------------------------------------------------------------------- */ 2972/* ------------------------------------------------------------------------- */
3159/* 2973/*
3160 * Mark a selection at the specified col/row 2974 * Mark a selection at the specified col/row
3161 */ 2975 */
3162void 2976void ecb_cold
3163rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2977rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3164{ 2978{
3165 want_refresh = 1; 2979 want_refresh = 1;
3166 2980
3167 selection.mark.row = row + view_start; 2981 selection.mark.row = row + view_start;
3194/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3008/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3195#define DELIMIT_TEXT(x) \ 3009#define DELIMIT_TEXT(x) \
3196 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3010 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3197#define DELIMIT_REND(x) 1 3011#define DELIMIT_REND(x) 1
3198 3012
3199void 3013void ecb_cold
3200rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3014rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3201{ 3015{
3202 int col, row, dirnadd, tcol, trow, w1, w2; 3016 int col, row, dirnadd, tcol, trow, w1, w2;
3203 row_col_t bound; 3017 row_col_t bound;
3204 text_t *stp; 3018 text_t *stp;
3278 * EXT: button 3 press; button 1 or 3 drag 3092 * EXT: button 3 press; button 1 or 3 drag
3279 * flag == 0 ==> button 1 3093 * flag == 0 ==> button 1
3280 * flag == 1 ==> button 3 press 3094 * flag == 1 ==> button 3 press
3281 * flag == 2 ==> button 3 motion 3095 * flag == 2 ==> button 3 motion
3282 */ 3096 */
3283void 3097void ecb_cold
3284rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3098rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3285{ 3099{
3286 int col = clamp (Pixel2Col (x), 0, ncol); 3100 int col = clamp (Pixel2Col (x), 0, ncol);
3287 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3101 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3288 3102
3314 3128
3315/* ------------------------------------------------------------------------- */ 3129/* ------------------------------------------------------------------------- */
3316/* 3130/*
3317 * Extend the selection to the specified col/row 3131 * Extend the selection to the specified col/row
3318 */ 3132 */
3319void 3133void ecb_cold
3320rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3134rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3321{ 3135{
3322 row_col_t pos; 3136 row_col_t pos;
3323 enum { 3137 enum {
3324 LEFT, RIGHT 3138 LEFT, RIGHT
3515 ::swap (selection.beg.col, selection.end.col); 3329 ::swap (selection.beg.col, selection.end.col);
3516#endif 3330#endif
3517} 3331}
3518 3332
3519#if !ENABLE_MINIMAL 3333#if !ENABLE_MINIMAL
3520void 3334void ecb_cold
3521rxvt_term::selection_remove_trailing_spaces () NOTHROW 3335rxvt_term::selection_remove_trailing_spaces () NOTHROW
3522{ 3336{
3523 int32_t end_col, end_row; 3337 int32_t end_col, end_row;
3524 text_t *stp; 3338 text_t *stp;
3525 3339
3563/* ------------------------------------------------------------------------- */ 3377/* ------------------------------------------------------------------------- */
3564/* 3378/*
3565 * Double click on button 3 when already selected 3379 * Double click on button 3 when already selected
3566 * EXT: button 3 double click 3380 * EXT: button 3 double click
3567 */ 3381 */
3568void 3382void ecb_cold
3569rxvt_term::selection_rotate (int x, int y) NOTHROW 3383rxvt_term::selection_rotate (int x, int y) NOTHROW
3570{ 3384{
3571 selection.clicks = selection.clicks % 3 + 1; 3385 selection.clicks = selection.clicks % 3 + 1;
3572 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3386 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3573} 3387}
3575/* ------------------------------------------------------------------------- */ 3389/* ------------------------------------------------------------------------- */
3576/* 3390/*
3577 * Respond to a request for our current selection 3391 * Respond to a request for our current selection
3578 * EXT: SelectionRequest 3392 * EXT: SelectionRequest
3579 */ 3393 */
3580void 3394void ecb_cold
3581rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3395rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3582{ 3396{
3397 Atom property = rq.property == None ? rq.target : rq.property;
3583 XSelectionEvent ev; 3398 XSelectionEvent ev;
3584 3399
3585 ev.type = SelectionNotify; 3400 ev.type = SelectionNotify;
3586 ev.property = None; 3401 ev.property = None;
3587 ev.display = rq.display; 3402 ev.display = rq.display;
3602 *target++ = xa[XA_COMPOUND_TEXT]; 3417 *target++ = xa[XA_COMPOUND_TEXT];
3603#if X_HAVE_UTF8_STRING 3418#if X_HAVE_UTF8_STRING
3604 *target++ = xa[XA_UTF8_STRING]; 3419 *target++ = xa[XA_UTF8_STRING];
3605#endif 3420#endif
3606 3421
3607 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3422 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3608 32, PropModeReplace, 3423 32, PropModeReplace,
3609 (unsigned char *)target_list, target - target_list); 3424 (unsigned char *)target_list, target - target_list);
3610 ev.property = rq.property; 3425 ev.property = property;
3611 } 3426 }
3612#if TODO // TODO 3427#if TODO // TODO
3613 else if (rq.target == xa[XA_MULTIPLE]) 3428 else if (rq.target == xa[XA_MULTIPLE])
3614 { 3429 {
3615 /* TODO: Handle MULTIPLE */ 3430 /* TODO: Handle MULTIPLE */
3616 } 3431 }
3617#endif 3432#endif
3618 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3433 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3619 { 3434 {
3620 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3435 XChangeProperty (dpy, rq.requestor, property, rq.target,
3621 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3436 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3622 ev.property = rq.property; 3437 ev.property = property;
3438 }
3439 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3440 {
3441 XChangeProperty (dpy, rq.requestor, property, rq.target,
3442 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3443 ev.property = property;
3623 } 3444 }
3624 else if (rq.target == XA_STRING 3445 else if (rq.target == XA_STRING
3625 || rq.target == xa[XA_TEXT] 3446 || rq.target == xa[XA_TEXT]
3626 || rq.target == xa[XA_COMPOUND_TEXT] 3447 || rq.target == xa[XA_COMPOUND_TEXT]
3627 || rq.target == xa[XA_UTF8_STRING] 3448 || rq.target == xa[XA_UTF8_STRING]
3659 { 3480 {
3660 target = xa[XA_COMPOUND_TEXT]; 3481 target = xa[XA_COMPOUND_TEXT];
3661 style = enc_compound_text; 3482 style = enc_compound_text;
3662 } 3483 }
3663 3484
3664 if (selection.text) 3485 if (rq.selection == XA_PRIMARY && selection.text)
3665 { 3486 {
3666 cl = selection.text; 3487 cl = selection.text;
3667 selectlen = selection.len; 3488 selectlen = selection.len;
3489 }
3490 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3491 {
3492 cl = selection.clip_text;
3493 selectlen = selection.clip_len;
3668 } 3494 }
3669 else 3495 else
3670 { 3496 {
3671 cl = L""; 3497 cl = L"";
3672 selectlen = 0; 3498 selectlen = 0;
3693 ct.value = (unsigned char *)cl; 3519 ct.value = (unsigned char *)cl;
3694 ct.nitems = selectlen; 3520 ct.nitems = selectlen;
3695 ct.encoding = target; 3521 ct.encoding = target;
3696 } 3522 }
3697 3523
3698 XChangeProperty (dpy, rq.requestor, rq.property, 3524 XChangeProperty (dpy, rq.requestor, property,
3699 ct.encoding, 8, PropModeReplace, 3525 ct.encoding, 8, PropModeReplace,
3700 ct.value, (int)ct.nitems); 3526 ct.value, (int)ct.nitems);
3701 ev.property = rq.property; 3527 ev.property = property;
3702 3528
3703 if (freect) 3529 if (freect)
3704 XFree (ct.value); 3530 XFree (ct.value);
3705 } 3531 }
3706 3532
3707 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3533 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3708} 3534}
3709 3535
3710/* ------------------------------------------------------------------------- */ 3536/* ------------------------------------------------------------------------- */
3711#ifdef USE_XIM 3537#if USE_XIM
3712void 3538void ecb_cold
3713rxvt_term::im_set_position (XPoint &pos) NOTHROW 3539rxvt_term::im_set_position (XPoint &pos) NOTHROW
3714{ 3540{
3715 XWindowAttributes xwa; 3541 XWindowAttributes xwa;
3716 3542
3717 XGetWindowAttributes (dpy, vt, &xwa); 3543 XGetWindowAttributes (dpy, vt, &xwa);

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