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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.410 by sf-exg, Thu Nov 24 18:09:54 2011 UTC vs.
Revision 1.416 by root, Mon May 28 14:26:11 2012 UTC

… …
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */ 29#include "rxvtperl.h" /* NECESSARY */
30 30
31#include <inttypes.h> 31#include <inttypes.h>
32 32
33#include "salloc.C" // HACK, should be a separate compile!
34
35static inline void 33static inline void
36fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
37{ 35{
38 while (len--) 36 while (len--)
39 *start++ = value; 37 *start++ = value;
… …
98 96
99/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
100void 98void
101rxvt_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
102{ 100{
103 if (!l.t) 101 if (!l.valid ())
104 { 102 {
105 lalloc (l); 103 l.alloc ();
106 col = 0; 104 col = 0;
107 width = ncol; 105 width = ncol;
108 } 106 }
109 107
110 l.touch (); 108 l.touch ();
… …
157/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
158 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
159 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
160 158
161void 159void
160rxvt_term::scr_alloc ()
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 tetx_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 = rxvt_malloc (chunk_size);
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
162rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
163{ 195{
164#if ENABLE_OVERLAY 196#if ENABLE_OVERLAY
165 scr_overlay_off (); 197 scr_overlay_off ();
166#endif 198#endif
… …
192 total_rows = nrow + saveLines; 224 total_rows = nrow + saveLines;
193 225
194 screen.tscroll = 0; 226 screen.tscroll = 0;
195 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
196 228
229 void *prev_chunk = chunk;
230 line_t *prev_drawn_buf = drawn_buf;
231 line_t *prev_swap_buf = swap_buf;
232 line_t *prev_row_buf = row_buf;
233
234 int common_col = min (prev_ncol, ncol);
235
236 scr_alloc ();
237
197 if (!row_buf) 238 if (!prev_row_buf)
198 { 239 {
199 /* 240 /*
200 * first time called so just malloc everything: don't rely on realloc 241 * first time called so just malloc everything: don't rely on realloc
201 */ 242 */
202 top_row = 0; 243 top_row = 0;
203 term_start = 0; 244 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 }
218 245
219 memset (charsets, 'B', sizeof (charsets)); 246 memset (charsets, 'B', sizeof (charsets));
220 rstyle = DEFAULT_RSTYLE; 247 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 248 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 249 screen.cur.row = screen.cur.col = 0;
… …
245 { 272 {
246 /* 273 /*
247 * add or delete rows as appropriate 274 * add or delete rows as appropriate
248 */ 275 */
249 276
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--; ) 277 for (int row = min (nrow, prev_nrow); row--; )
268 { 278 {
269 lresize (drawn_buf[row]); 279 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
270 lresize (swap_buf [row]); 280 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
271 }
272 281
273 for (int row = prev_nrow; row < nrow; row++) 282 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
283 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
284 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
285 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
274 { 286 }
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));
281 287
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 288 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows); 289 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row 290 int q = total_rows; // rewrapped row
285 291
… …
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 299 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294 300
295 do 301 do
296 { 302 {
297 p = MOD (p - 1, prev_total_rows); 303 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t); 304 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1; 305 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l; 306 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
301 307
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 308 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
303 { 309 {
304 p = MOD (p - 1, prev_total_rows); 310 p = MOD (p - 1, prev_total_rows);
305 311
306 plines++; 312 plines++;
307 llen += prev_ncol; 313 llen += prev_ncol;
… …
320 326
321 // re-assemble the full line by destination lines 327 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++) 328 for (int qrow = q; qlines--; qrow++)
323 { 329 {
324 qline = row_buf + qrow; 330 qline = row_buf + qrow;
325 lalloc (*qline); 331 qline->alloc (); // redundant with next line
326 qline->l = ncol; 332 qline->l = ncol;
327 qline->is_longer (1); 333 qline->is_longer (1);
328 334
329 int qcol = 0; 335 int qcol = 0;
330 336
… …
345 // this seems to upset applications/shells/readline 351 // this seems to upset applications/shells/readline
346 // least. 352 // least.
347 if (prow == ocur.row) 353 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow); 354 screen.cur.row = q - (total_rows - nrow);
349 355
350 line_t &pline = old_buf [prow]; 356 line_t &pline = prev_row_buf [prow];
351 357
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 358 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353 359
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 360 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 361 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
… …
376 { 382 {
377 // if no scrollback exists (yet), wing, instead of wrap 383 // if no scrollback exists (yet), wing, instead of wrap
378 384
379 for (int row = min (nrow, prev_nrow); row--; ) 385 for (int row = min (nrow, prev_nrow); row--; )
380 { 386 {
381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 387 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
382 line_t &qline = row_buf [row]; 388 line_t &dst = row_buf [row];
383 389
384 qline = pline; 390 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
385 lresize (qline); 391
392 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
393 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
386 } 394 }
387 395
388 for (int row = prev_nrow; row < nrow; row++) 396 for (int row = prev_nrow; row < nrow; row++)
389 {
390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 397 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
391 }
392 398
393 term_start = 0; 399 term_start = 0;
394 } 400 }
395
396 free (old_buf);
397 delete old_ta;
398 delete old_ra;
399 401
400 clamp_it (screen.cur.row, 0, nrow - 1); 402 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1); 403 clamp_it (screen.cur.col, 0, ncol - 1);
402 } 404 }
403 405
406 for (int row = nrow; row--; )
407 {
408 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
409 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
410 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
411 }
412
413 free (prev_chunk);
414
404 free (tabs); 415 free (tabs);
405 tabs = (char *)rxvt_malloc (ncol); 416 tabs = (char *)rxvt_malloc (ncol);
406 417
407 for (int col = ncol; col--; ) 418 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0; 419 tabs [col] = col % TABSIZE == 0;
… …
422 * Free everything. That way malloc debugging can find leakage. 433 * Free everything. That way malloc debugging can find leakage.
423 */ 434 */
424void 435void
425rxvt_term::scr_release () NOTHROW 436rxvt_term::scr_release () NOTHROW
426{ 437{
427 if (row_buf) 438 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); 439 free (tabs);
438 tabs = 0;
439 }
440} 440}
441 441
442/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
443/* 443/*
444 * Hard/Soft reset 444 * Hard/Soft reset
445 */ 445 */
446void 446void
447rxvt_term::scr_poweron () 447rxvt_term::scr_poweron ()
448{ 448{
449 scr_release (); 449 scr_release ();
450
451 row_buf = 0;
452 tabs = 0;
450 prev_nrow = prev_ncol = 0; 453 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false; 454 rvideo_mode = false;
452 scr_soft_reset (); 455 scr_soft_reset ();
453 scr_reset (); 456 scr_reset ();
454 457
455 scr_clear (true); 458 scr_clear (true);
456 scr_refresh (); 459 scr_refresh ();
457} 460}
458 461
459void 462void
460rxvt_term::scr_soft_reset () 463rxvt_term::scr_soft_reset () NOTHROW
461{ 464{
462 /* only affects modes, nothing drastic such as clearing the screen */ 465 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY 466#if ENABLE_OVERLAY
464 scr_overlay_off (); 467 scr_overlay_off ();
465#endif 468#endif
… …
520 assert (s->cur.row >= 0); 523 assert (s->cur.row >= 0);
521 assert (s->cur.col >= 0); 524 assert (s->cur.col >= 0);
522} 525}
523 526
524void 527void
525rxvt_term::scr_swap_screen () 528rxvt_term::scr_swap_screen () NOTHROW
526{ 529{
527 if (!option (Opt_secondaryScreen)) 530 if (!option (Opt_secondaryScreen))
528 return; 531 return;
529 532
530 for (int i = prev_nrow; i--; ) 533 for (int i = prev_nrow; i--; )
… …
1367 { 1370 {
1368 ren = DEFAULT_RSTYLE; 1371 ren = DEFAULT_RSTYLE;
1369 1372
1370 if (mapped) 1373 if (mapped)
1371 XClearArea (dpy, vt, 0, 1374 XClearArea (dpy, vt, 0,
1372 Row2Pixel (row - view_start), (unsigned int)width, 1375 Row2Pixel (row - view_start), (unsigned int)vt_width,
1373 (unsigned int)Height2Pixel (num), False); 1376 (unsigned int)Height2Pixel (num), False);
1374 } 1377 }
1375 else 1378 else
1376 { 1379 {
1377 ren = rstyle & (RS_fgMask | RS_bgMask); 1380 ren = rstyle & (RS_fgMask | RS_bgMask);
… …
1380 { 1383 {
1381 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1384 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1382 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1385 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1383 XFillRectangle (dpy, vt, gc, 1386 XFillRectangle (dpy, vt, gc,
1384 0, Row2Pixel (row - view_start), 1387 0, Row2Pixel (row - view_start),
1385 (unsigned int)width, 1388 (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num)); 1389 (unsigned int)Height2Pixel (num));
1387 gcvalue.foreground = pix_colors[Color_fg]; 1390 gcvalue.foreground = pix_colors[Color_fg];
1388 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1391 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1389 } 1392 }
1390 } 1393 }
… …
1876 * Refresh the entire screen 1879 * Refresh the entire screen
1877 */ 1880 */
1878void 1881void
1879rxvt_term::scr_touch (bool refresh) NOTHROW 1882rxvt_term::scr_touch (bool refresh) NOTHROW
1880{ 1883{
1881 scr_expose (0, 0, width, height, refresh); 1884 scr_expose (0, 0, vt_width, vt_height, refresh);
1882} 1885}
1883 1886
1884/* ------------------------------------------------------------------------- */ 1887/* ------------------------------------------------------------------------- */
1885/* 1888/*
1886 * 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
… …
2481 2484
2482 XDrawRectangle (dpy, vt, gc, 2485 XDrawRectangle (dpy, vt, gc,
2483 Col2Pixel (col), 2486 Col2Pixel (col),
2484 Row2Pixel (oldcursor.row), 2487 Row2Pixel (oldcursor.row),
2485 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2488 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2486 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2489 (unsigned int) (Height2Pixel (1) - 1));
2487 } 2490 }
2488 } 2491 }
2489 2492
2490 /* 2493 /*
2491 * H: cleanup selection 2494 * H: cleanup selection
… …
2503} 2506}
2504 2507
2505void 2508void
2506rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2509rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2507{ 2510{
2508 if (!l.t) 2511 if (!l.valid ())
2509 return; 2512 return;
2510 2513
2511 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
2512 2515
2513 for (int i = ncol; i--; ) 2516 for (int i = ncol; i--; )
… …
2704 for (unsigned int i = 0; i < len; i++) 2707 for (unsigned int i = 0; i < len; i++)
2705 if (data[i] == C0_LF) 2708 if (data[i] == C0_LF)
2706 data[i] = C0_CR; 2709 data[i] = C0_CR;
2707 2710
2708 if (priv_modes & PrivMode_BracketPaste) 2711 if (priv_modes & PrivMode_BracketPaste)
2709 tt_printf ("\e[200~"); 2712 tt_printf ("\x1b[200~");
2710 2713
2711 tt_write (data, len); 2714 tt_write (data, len);
2712 2715
2713 if (priv_modes & PrivMode_BracketPaste) 2716 if (priv_modes & PrivMode_BracketPaste)
2714 tt_printf ("\e[201~"); 2717 tt_printf ("\x1b[201~");
2715} 2718}
2716 2719
2717void 2720void
2718rxvt_term::paste (char *data, unsigned int len) NOTHROW 2721rxvt_term::paste (char *data, unsigned int len) NOTHROW
2719{ 2722{

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