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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.408 by sf-exg, Thu Nov 17 10:43:16 2011 UTC vs.
Revision 1.415 by root, Mon May 28 14:25:16 2012 UTC

… …
98 98
99/* Fill part/all of a line with blanks. */ 99/* Fill part/all of a line with blanks. */
100void 100void
101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
102{ 102{
103 if (!l.t) 103 if (!l.valid ())
104 { 104 {
105 lalloc (l); 105 l.alloc ();
106 col = 0; 106 col = 0;
107 width = ncol; 107 width = ncol;
108 } 108 }
109 109
110 l.touch (); 110 l.touch ();
… …
157/* ------------------------------------------------------------------------- * 157/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 158 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
160 160
161void 161void
162rxvt_term::scr_alloc ()
163{
164 int tsize = sizeof (text_t) * ncol;
165 int rsize = sizeof (rend_t) * ncol;
166
167 // we assume that rend_t size is a sufficient alignment
168 // factor for tetx_t and line_t values, and we only
169 // need to adjust tsize.
170 tsize = (tsize + sizeof (rend_t) - 1);
171 tsize -= tsize % sizeof (rend_t);
172
173 int all_rows = total_rows + nrow + nrow;
174
175 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
176 chunk = rxvt_malloc (chunk_size);
177
178 char *base = (char *)chunk + sizeof (line_t) * all_rows;
179
180 for (int row = 0; row < all_rows; ++row)
181 {
182 line_t &l = ((line_t *)chunk) [row];
183
184 l.t = (text_t *)base; base += tsize;
185 l.r = (rend_t *)base; base += rsize;
186 l.l = -1;
187 l.f = 0;
188 }
189
190 drawn_buf = (line_t *)chunk;
191 swap_buf = drawn_buf + nrow;
192 row_buf = swap_buf + nrow;
193}
194
195void
162rxvt_term::scr_reset () 196rxvt_term::scr_reset ()
163{ 197{
164#if ENABLE_OVERLAY 198#if ENABLE_OVERLAY
165 scr_overlay_off (); 199 scr_overlay_off ();
166#endif 200#endif
… …
192 total_rows = nrow + saveLines; 226 total_rows = nrow + saveLines;
193 227
194 screen.tscroll = 0; 228 screen.tscroll = 0;
195 screen.bscroll = nrow - 1; 229 screen.bscroll = nrow - 1;
196 230
231 void *prev_chunk = chunk;
232 line_t *prev_drawn_buf = drawn_buf;
233 line_t *prev_swap_buf = swap_buf;
234 line_t *prev_row_buf = row_buf;
235
236 int common_col = min (prev_ncol, ncol);
237
238 scr_alloc ();
239
197 if (!row_buf) 240 if (!prev_row_buf)
198 { 241 {
199 /* 242 /*
200 * first time called so just malloc everything: don't rely on realloc 243 * first time called so just malloc everything: don't rely on realloc
201 */ 244 */
202 top_row = 0; 245 top_row = 0;
203 term_start = 0; 246 term_start = 0;
204
205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
207
208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211
212 for (int row = nrow; row--; )
213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
218 247
219 memset (charsets, 'B', sizeof (charsets)); 248 memset (charsets, 'B', sizeof (charsets));
220 rstyle = DEFAULT_RSTYLE; 249 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 250 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 251 screen.cur.row = screen.cur.col = 0;
… …
245 { 274 {
246 /* 275 /*
247 * add or delete rows as appropriate 276 * add or delete rows as appropriate
248 */ 277 */
249 278
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
254 if (nrow < prev_nrow)
255 {
256 for (int row = nrow; row < prev_nrow; row++)
257 {
258 lfree (swap_buf [row]);
259 lfree (drawn_buf[row]);
260 }
261 }
262#endif
263
264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266
267 for (int row = min (nrow, prev_nrow); row--; ) 279 for (int row = min (nrow, prev_nrow); row--; )
268 { 280 {
269 lresize (drawn_buf[row]); 281 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
270 lresize (swap_buf [row]); 282 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
271 }
272 283
273 for (int row = prev_nrow; row < nrow; row++) 284 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
285 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
286 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
287 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
274 { 288 }
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
281 289
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 290 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows); 291 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row 292 int q = total_rows; // rewrapped row
285 293
… …
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 301 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294 302
295 do 303 do
296 { 304 {
297 p = MOD (p - 1, prev_total_rows); 305 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t); 306 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1; 307 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l; 308 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
301 309
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 310 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
303 { 311 {
304 p = MOD (p - 1, prev_total_rows); 312 p = MOD (p - 1, prev_total_rows);
305 313
306 plines++; 314 plines++;
307 llen += prev_ncol; 315 llen += prev_ncol;
… …
320 328
321 // re-assemble the full line by destination lines 329 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++) 330 for (int qrow = q; qlines--; qrow++)
323 { 331 {
324 qline = row_buf + qrow; 332 qline = row_buf + qrow;
325 lalloc (*qline); 333 qline->alloc (); // redundant with next line
326 qline->l = ncol; 334 qline->l = ncol;
327 qline->is_longer (1); 335 qline->is_longer (1);
328 336
329 int qcol = 0; 337 int qcol = 0;
330 338
… …
345 // this seems to upset applications/shells/readline 353 // this seems to upset applications/shells/readline
346 // least. 354 // least.
347 if (prow == ocur.row) 355 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow); 356 screen.cur.row = q - (total_rows - nrow);
349 357
350 line_t &pline = old_buf [prow]; 358 line_t &pline = prev_row_buf [prow];
351 359
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 360 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353 361
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 362 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 363 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
… …
376 { 384 {
377 // if no scrollback exists (yet), wing, instead of wrap 385 // if no scrollback exists (yet), wing, instead of wrap
378 386
379 for (int row = min (nrow, prev_nrow); row--; ) 387 for (int row = min (nrow, prev_nrow); row--; )
380 { 388 {
381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 389 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
382 line_t &qline = row_buf [row]; 390 line_t &dst = row_buf [row];
383 391
384 qline = pline; 392 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
385 lresize (qline); 393
394 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
395 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
386 } 396 }
387 397
388 for (int row = prev_nrow; row < nrow; row++) 398 for (int row = prev_nrow; row < nrow; row++)
389 {
390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 399 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
391 }
392 400
393 term_start = 0; 401 term_start = 0;
394 } 402 }
395
396 free (old_buf);
397 delete old_ta;
398 delete old_ra;
399 403
400 clamp_it (screen.cur.row, 0, nrow - 1); 404 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1); 405 clamp_it (screen.cur.col, 0, ncol - 1);
402 } 406 }
403 407
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 free (prev_chunk);
416
404 free (tabs); 417 free (tabs);
405 tabs = (char *)rxvt_malloc (ncol); 418 tabs = (char *)rxvt_malloc (ncol);
406 419
407 for (int col = ncol; col--; ) 420 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0; 421 tabs [col] = col % TABSIZE == 0;
… …
422 * Free everything. That way malloc debugging can find leakage. 435 * Free everything. That way malloc debugging can find leakage.
423 */ 436 */
424void 437void
425rxvt_term::scr_release () NOTHROW 438rxvt_term::scr_release () NOTHROW
426{ 439{
427 if (row_buf) 440 free (chunk);
428 {
429 delete talloc; talloc = 0;
430 delete ralloc; ralloc = 0;
431
432 free (row_buf);
433 free (swap_buf);
434 free (drawn_buf);
435 row_buf = 0; // signal that we freed all the arrays above
436
437 free (tabs); 441 free (tabs);
438 tabs = 0;
439 }
440} 442}
441 443
442/* ------------------------------------------------------------------------- */ 444/* ------------------------------------------------------------------------- */
443/* 445/*
444 * Hard/Soft reset 446 * Hard/Soft reset
445 */ 447 */
446void 448void
447rxvt_term::scr_poweron () 449rxvt_term::scr_poweron ()
448{ 450{
449 scr_release (); 451 scr_release ();
452
453 row_buf = 0;
454 tabs = 0;
450 prev_nrow = prev_ncol = 0; 455 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false; 456 rvideo_mode = false;
452 scr_soft_reset (); 457 scr_soft_reset ();
453 scr_reset (); 458 scr_reset ();
454 459
455 scr_clear (true); 460 scr_clear (true);
456 scr_refresh (); 461 scr_refresh ();
457} 462}
458 463
459void 464void
460rxvt_term::scr_soft_reset () 465rxvt_term::scr_soft_reset () NOTHROW
461{ 466{
462 /* only affects modes, nothing drastic such as clearing the screen */ 467 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY 468#if ENABLE_OVERLAY
464 scr_overlay_off (); 469 scr_overlay_off ();
465#endif 470#endif
… …
520 assert (s->cur.row >= 0); 525 assert (s->cur.row >= 0);
521 assert (s->cur.col >= 0); 526 assert (s->cur.col >= 0);
522} 527}
523 528
524void 529void
525rxvt_term::scr_swap_screen () 530rxvt_term::scr_swap_screen () NOTHROW
526{ 531{
527 if (!option (Opt_secondaryScreen)) 532 if (!option (Opt_secondaryScreen))
528 return; 533 return;
529 534
530 for (int i = prev_nrow; i--; ) 535 for (int i = prev_nrow; i--; )
… …
1367 { 1372 {
1368 ren = DEFAULT_RSTYLE; 1373 ren = DEFAULT_RSTYLE;
1369 1374
1370 if (mapped) 1375 if (mapped)
1371 XClearArea (dpy, vt, 0, 1376 XClearArea (dpy, vt, 0,
1372 Row2Pixel (row - view_start), (unsigned int)width, 1377 Row2Pixel (row - view_start), (unsigned int)vt_width,
1373 (unsigned int)Height2Pixel (num), False); 1378 (unsigned int)Height2Pixel (num), False);
1374 } 1379 }
1375 else 1380 else
1376 { 1381 {
1377 ren = rstyle & (RS_fgMask | RS_bgMask); 1382 ren = rstyle & (RS_fgMask | RS_bgMask);
… …
1380 { 1385 {
1381 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1386 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1382 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1387 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1383 XFillRectangle (dpy, vt, gc, 1388 XFillRectangle (dpy, vt, gc,
1384 0, Row2Pixel (row - view_start), 1389 0, Row2Pixel (row - view_start),
1385 (unsigned int)width, 1390 (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num)); 1391 (unsigned int)Height2Pixel (num));
1387 gcvalue.foreground = pix_colors[Color_fg]; 1392 gcvalue.foreground = pix_colors[Color_fg];
1388 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1389 } 1394 }
1390 } 1395 }
… …
1876 * Refresh the entire screen 1881 * Refresh the entire screen
1877 */ 1882 */
1878void 1883void
1879rxvt_term::scr_touch (bool refresh) NOTHROW 1884rxvt_term::scr_touch (bool refresh) NOTHROW
1880{ 1885{
1881 scr_expose (0, 0, width, height, refresh); 1886 scr_expose (0, 0, vt_width, vt_height, refresh);
1882} 1887}
1883 1888
1884/* ------------------------------------------------------------------------- */ 1889/* ------------------------------------------------------------------------- */
1885/* 1890/*
1886 * Move the display so that the line represented by scrollbar value Y is at 1891 * Move the display so that the line represented by scrollbar value Y is at
… …
2167 { 2172 {
2168 int16_t nits; 2173 int16_t nits;
2169 int i = num_scr; 2174 int i = num_scr;
2170 int j; 2175 int j;
2171 int len, wlen; 2176 int len, wlen;
2172 dLocal (int, num_scr);
2173 2177
2174 j = nrow; 2178 j = nrow;
2175 wlen = len = -1; 2179 wlen = len = -1;
2176 row = i > 0 ? 0 : j - 1; 2180 row = i > 0 ? 0 : j - 1;
2177 2181
… …
2482 2486
2483 XDrawRectangle (dpy, vt, gc, 2487 XDrawRectangle (dpy, vt, gc,
2484 Col2Pixel (col), 2488 Col2Pixel (col),
2485 Row2Pixel (oldcursor.row), 2489 Row2Pixel (oldcursor.row),
2486 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2490 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2487 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2491 (unsigned int) (Height2Pixel (1) - 1));
2488 } 2492 }
2489 } 2493 }
2490 2494
2491 /* 2495 /*
2492 * H: cleanup selection 2496 * H: cleanup selection
… …
2504} 2508}
2505 2509
2506void 2510void
2507rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2511rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2508{ 2512{
2509 if (!l.t) 2513 if (!l.valid ())
2510 return; 2514 return;
2511 2515
2512 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2516 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2513 2517
2514 for (int i = ncol; i--; ) 2518 for (int i = ncol; i--; )
… …
2668 */ 2672 */
2669#if 0 2673#if 0
2670void 2674void
2671rxvt_term::scr_dump (int fd) NOTHROW 2675rxvt_term::scr_dump (int fd) NOTHROW
2672{ 2676{
2673 int row, wrote; 2677 // if this method is needed, it can be implemented by factoring the
2674 unsigned int width, towrite; 2678 // relevant code in scr_printscreen
2675 const char r1[] = "\n";
2676
2677 for (row = saveLines + top_row;
2678 row < saveLines + nrow - 1; row++)
2679 {
2680 width = row_buf[row].l >= 0 ? row_buf[row].l
2681 : ncol;
2682 for (towrite = width; towrite; towrite -= wrote)
2683 {
2684 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2685 towrite);
2686 if (wrote < 0)
2687 return; /* XXX: death, no report */
2688 }
2689 if (row_buf[row].l >= 0)
2690 if (write (fd, r1, 1) <= 0)
2691 return; /* XXX: death, no report */
2692 }
2693} 2679}
2694#endif 2680#endif
2695 2681
2696/* ------------------------------------------------------------------------- * 2682/* ------------------------------------------------------------------------- *
2697 * CHARACTER SELECTION * 2683 * CHARACTER SELECTION *
… …
2723 for (unsigned int i = 0; i < len; i++) 2709 for (unsigned int i = 0; i < len; i++)
2724 if (data[i] == C0_LF) 2710 if (data[i] == C0_LF)
2725 data[i] = C0_CR; 2711 data[i] = C0_CR;
2726 2712
2727 if (priv_modes & PrivMode_BracketPaste) 2713 if (priv_modes & PrivMode_BracketPaste)
2728 tt_printf ("\e[200~"); 2714 tt_printf ("\x1b[200~");
2729 2715
2730 tt_write (data, len); 2716 tt_write (data, len);
2731 2717
2732 if (priv_modes & PrivMode_BracketPaste) 2718 if (priv_modes & PrivMode_BracketPaste)
2733 tt_printf ("\e[201~"); 2719 tt_printf ("\x1b[201~");
2734} 2720}
2735 2721
2736void 2722void
2737rxvt_term::paste (char *data, unsigned int len) NOTHROW 2723rxvt_term::paste (char *data, unsigned int len) NOTHROW
2738{ 2724{

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