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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.407 by sf-exg, Wed Nov 16 18:52:17 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--; )
1312 scr_blank_line (line, col, num, rstyle); 1315 scr_blank_line (line, col, num, rstyle);
1313} 1316}
1314 1317
1315/* ------------------------------------------------------------------------- */ 1318/* ------------------------------------------------------------------------- */
1316/* 1319/*
1317 * Erase part of whole of the screen 1320 * Erase part or whole of the screen
1318 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1321 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1319 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1322 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1320 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1323 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1321 */ 1324 */
1322void 1325void
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
2167 { 2170 {
2168 int16_t nits; 2171 int16_t nits;
2169 int i = num_scr; 2172 int i = num_scr;
2170 int j; 2173 int j;
2171 int len, wlen; 2174 int len, wlen;
2172 dLocal (int, num_scr);
2173 2175
2174 j = nrow; 2176 j = nrow;
2175 wlen = len = -1; 2177 wlen = len = -1;
2176 row = i > 0 ? 0 : j - 1; 2178 row = i > 0 ? 0 : j - 1;
2177 2179
2482 2484
2483 XDrawRectangle (dpy, vt, gc, 2485 XDrawRectangle (dpy, vt, gc,
2484 Col2Pixel (col), 2486 Col2Pixel (col),
2485 Row2Pixel (oldcursor.row), 2487 Row2Pixel (oldcursor.row),
2486 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2488 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2487 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2489 (unsigned int) (Height2Pixel (1) - 1));
2488 } 2490 }
2489 } 2491 }
2490 2492
2491 /* 2493 /*
2492 * H: cleanup selection 2494 * H: cleanup selection
2504} 2506}
2505 2507
2506void 2508void
2507rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2509rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2508{ 2510{
2509 if (!l.t) 2511 if (!l.valid ())
2510 return; 2512 return;
2511 2513
2512 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
2513 2515
2514 for (int i = ncol; i--; ) 2516 for (int i = ncol; i--; )
2668 */ 2670 */
2669#if 0 2671#if 0
2670void 2672void
2671rxvt_term::scr_dump (int fd) NOTHROW 2673rxvt_term::scr_dump (int fd) NOTHROW
2672{ 2674{
2673 int row, wrote; 2675 // if this method is needed, it can be implemented by factoring the
2674 unsigned int width, towrite; 2676 // 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} 2677}
2694#endif 2678#endif
2695 2679
2696/* ------------------------------------------------------------------------- * 2680/* ------------------------------------------------------------------------- *
2697 * CHARACTER SELECTION * 2681 * CHARACTER SELECTION *
2723 for (unsigned int i = 0; i < len; i++) 2707 for (unsigned int i = 0; i < len; i++)
2724 if (data[i] == C0_LF) 2708 if (data[i] == C0_LF)
2725 data[i] = C0_CR; 2709 data[i] = C0_CR;
2726 2710
2727 if (priv_modes & PrivMode_BracketPaste) 2711 if (priv_modes & PrivMode_BracketPaste)
2728 tt_printf ("\e[200~"); 2712 tt_printf ("\x1b[200~");
2729 2713
2730 tt_write (data, len); 2714 tt_write (data, len);
2731 2715
2732 if (priv_modes & PrivMode_BracketPaste) 2716 if (priv_modes & PrivMode_BracketPaste)
2733 tt_printf ("\e[201~"); 2717 tt_printf ("\x1b[201~");
2734} 2718}
2735 2719
2736void 2720void
2737rxvt_term::paste (char *data, unsigned int len) NOTHROW 2721rxvt_term::paste (char *data, unsigned int len) NOTHROW
2738{ 2722{

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