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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.172 by root, Sun Dec 18 00:59:42 2005 UTC vs.
Revision 1.243 by ayin, Thu Jan 19 23:15:21 2006 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*--------------------------------*-C-*--------------------------------------*
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) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
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.
… …
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */ 31#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 32
32#include <inttypes.h> 33#include <inttypes.h>
33 34
… …
46 47
47/* ------------------------------------------------------------------------- * 48/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 50 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 51#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 52 if (OPTION (Opt_scrollTtyOutput)) \
52 view_start = 0 53 view_start = 0
53#define CLEAR_SELECTION() \ 54#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 57#define CLEAR_ALL_SELECTION() \
… …
114 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
116 117
117/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
118void 119void
119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 120rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const
120{ 121{
122 if (!l.t)
123 {
124 lalloc (l);
125 col = 0;
126 width = ncol;
127 }
128
129 l.touch ();
130
121 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
122 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
123 133
124 text_t *et = l.t + col; 134 text_t *et = l.t + col;
125 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
… …
132} 142}
133 143
134/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
135/* Fill a full line with blanks - make sure it is allocated first */ 145/* Fill a full line with blanks - make sure it is allocated first */
136void 146void
137rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const
138{ 148{
139 if (!l.t)
140 lalloc (l);
141
142 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
143} 153}
144 154
145/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
146 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
147 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
148void 159void
149rxvt_term::scr_reset () 160rxvt_term::scr_reset ()
150{ 161{
151 unsigned int p, q;
152 int k;
153
154#if ENABLE_OVERLAY 162#if ENABLE_OVERLAY
155 scr_overlay_off (); 163 scr_overlay_off ();
156#endif 164#endif
157 165
158 view_start = 0; 166 view_start = 0;
… …
168 return; 176 return;
169 177
170 // we need at least two lines for wrapping to work correctly 178 // we need at least two lines for wrapping to work correctly
171 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
172 { 180 {
181 //TODO//FIXME
173 saveLines++; 182 saveLines++;
174 prev_nrow--; 183 prev_nrow--;
175 nscrolled++; 184 top_row--;
176 } 185 }
177 186
178 want_refresh = 1; 187 want_refresh = 1;
179 188
180 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
181 int total_rows = nrow + saveLines; 190 total_rows = nrow + saveLines;
182 191
183 screen.tscroll = 0; 192 screen.tscroll = 0;
184 screen.bscroll = nrow - 1; 193 screen.bscroll = nrow - 1;
185 194
186 if (!save) 195 if (!row_buf)
187 { 196 {
188 /* 197 /*
189 * first time called so just malloc everything: don't rely on realloc 198 * first time called so just malloc everything: don't rely on realloc
190 * Note: this is still needed so that all the scrollback lines are NULL
191 */ 199 */
192 nscrolled = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
193 term_start = 0; 201 term_start = 0;
194 nsaved = 0;
195 202
196 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
197 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
198 205
199 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
200 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
201 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
202 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
203 209
204 screen.line = (line_t **)rxvt_calloc (nrow, sizeof (line_t *));
205
206 scr_update_term ();
207
208 for (p = nrow; p--; ) 210 for (int row = nrow; row--; )
209 { 211 {
210 scr_blank_screen_mem (*screen.line[p], DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 214 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213 } 215 }
214 216
215 memset (charsets, 'B', sizeof (charsets)); 217 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 218 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 219 screen.flags = Screen_DefaultFlags;
… …
232 selection.text = NULL; 234 selection.text = NULL;
233 selection.len = 0; 235 selection.len = 0;
234 selection.op = SELECTION_CLEAR; 236 selection.op = SELECTION_CLEAR;
235 selection.screen = PRIMARY; 237 selection.screen = PRIMARY;
236 selection.clicks = 0; 238 selection.clicks = 0;
237 CLEAR_ALL_SELECTION ();
238 rvideo = 0; 239 rvideo = 0;
239 } 240 }
240 else 241 else
241 { 242 {
242 /* 243 /*
243 * add or delete rows as appropriate 244 * add or delete rows as appropriate
244 */ 245 */
245 246
246 rxvt_salloc *old_ta; 247 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra; 248 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248 249
250#if 0
249 if (nrow < prev_nrow) 251 if (nrow < prev_nrow)
250 { 252 {
251 /* delete rows */
252 k = min (nscrolled, prev_nrow - nrow);
253 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255
256 for (p = nrow; p < prev_nrow; p++) 253 for (int row = nrow; row < prev_nrow; row++)
257 { 254 {
258 lfree (save[p + saveLines]);
259 lfree (swap_save[p]); 255 lfree (swap_buf [row]);
260 lfree (drawn[p]); 256 lfree (drawn_buf[row]);
261 } 257 }
258 }
259#endif
262 260
263 /* we have fewer rows so fix up cursor position */ 261 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
264 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 262 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
265 263
266 scr_reset_realloc (); /* realloc _last_ */ 264 for (int row = min (nrow, prev_nrow); row--; )
265 {
266 lresize (drawn_buf[row]);
267 lresize (swap_buf [row]);
268 }
269
270 for (int row = prev_nrow; row < nrow; row++)
271 {
272 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
273 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
274 }
275
276 line_t *old_buf = row_buf;
277 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
267 } 278
268 else if (nrow > prev_nrow) 279 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
280 int pend = MOD (term_start + top_row , prev_total_rows);
281 int q = total_rows; // rewrapped row
282
283 if (top_row)
284 {
285 // re-wrap lines, this is rather ugly, possibly because I am too dumb
286 // to come up with a lean and mean algorithm.
287
288 row_col_t ocur = screen.cur;
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290
269 { 291 do
270 /* add rows */
271 scr_reset_realloc (); /* realloc _first_ */
272
273 int ocol = ncol;
274 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
275
276 k = min (nscrolled, nrow - prev_nrow);
277
278 for (p = prev_total_rows; p < total_rows; p++)
279 save[p].clear ();
280
281 for (p = prev_total_rows; p < total_rows - k; p++)
282 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
283
284 scr_update_term ();
285
286 for (p = prev_nrow; p < nrow; p++)
287 { 292 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 293 p = MOD (p - 1, prev_total_rows);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 }
291
292 if (k > 0)
293 {
294 scr_scroll_text (0, (int)nrow - 1, -k, 1);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nscrolled -= k;
298 }
299
300#ifdef DEBUG_STRICT 294#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow); 295 assert (old_buf [MOD (p, prev_total_rows)].t);
302#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1);
304#endif 296#endif
305 ncol = ocol; // save b/c scr_blank_screen_mem uses this
306 }
307
308 /* resize columns */
309 if (ncol != prev_ncol)
310 {
311 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
312 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
313
314 for (p = total_rows; p--; )
315 lresize (save[p]);
316
317 for (p = nrow; p--; )
318 {
319 lresize (drawn[p]);
320 lresize (swap_save[p]);
321 }
322
323 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
324
325 delete old_ta;
326 delete old_ra;
327 }
328
329#if 0
330 // re-wrap lines, this is rather ugly, possibly because I am too dumb
331 // to come up with a lean and mean algorithm.
332 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
333 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
334
335 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
336 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
337 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
338
339 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D
340
341 p = prev_total_rows;
342 q = total_rows;
343
344 while (p > 0 && q > 0)
345 {
346 --p;
347
348 printf ("pq %d:%d\n", p, q);
349 if (save[p].t)
350 {
351 int llen = save[p].l; 297 int plines = 1;
298 int llen = old_buf [MOD (p, prev_total_rows)].l;
352 299
353 assert (llen >= 0); 300 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
354
355 while (p && save[p - 1].l < 0)
356 { 301 {
302 p = MOD (p - 1, prev_total_rows);
303
357 --p; 304 plines++;
358 llen += prev_ncol; 305 llen += prev_ncol;
359 } 306 }
360 307
361 int qlines = llen / ncol + 1; 308 int qlines = max (0, (llen - 1) / ncol) + 1;
309
310 // drop partial lines completely
311 if (q < qlines)
312 break;
313
314 q -= qlines;
315
362 int lofs = 0; 316 int lofs = 0;
317 line_t *qline;
363 318
364 q -= qlines; 319 // re-assemble the full line by destination lines
365
366 int qrow = q;
367
368 printf ("QL %d llen %d\n", qlines, llen);//D
369 for (; qlines--; qrow++) 320 for (int qrow = q; qlines--; qrow++)
370 { 321 {
322 qline = row_buf + qrow;
323 lalloc (*qline);
324 qline->l = ncol;
325 qline->is_longer (1);
326
327 int qcol = 0;
328
329 // see below for cursor adjustment rationale
371 if (qrow >= 0) 330 if (p == ocur.row)
331 screen.cur.row = q - (total_rows - nrow);
332
333 // fill a single destination line
334 while (lofs < llen && qcol < ncol)
372 { 335 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = -1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p; 336 int prow = lofs / prev_ncol;
382 int pcol = lofs % prev_ncol; 337 int pcol = lofs % prev_ncol;
383 338
339 prow = MOD (p + prow, prev_total_rows);
340
341 // we only adjust the cursor _row_ and put it into
342 // the topmost line of "long line" it was in, as
343 // this seems to upset applications/shells/readline
344 // least.
345 if (prow == ocur.row)
346 screen.cur.row = q - (total_rows - nrow);
347
348 line_t &pline = old_buf [prow];
349
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 350 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385 351
386 printf ("q %d lofs %d>%d len %d pq %d:%d p %d:%d q :%d\n", q, llen, lofs, len, prev_ncol, ncol, prow, pcol, qcol); 352#if DEBUG_STRICT
387
388 if (len <= 0)
389 {
390 tl [qrow] = qcol;
391
392 TODO
393 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
394 ncol - qcol, DEFAULT_RSTYLE);
395
396 break;
397 }
398
399 assert (lofs < 1000); 353 assert (len);
354 assert (pline.t);
355#endif
400 356
401 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 357 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 358 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
403 359
404 lofs += len; 360 lofs += len;
405 qcol += len; 361 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 } 362 }
411 else
412 lofs += ncol;
413 } 363 }
364
365 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
366 qline->is_longer (0);
367 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
414 } 368 }
369 while (p != pend && q > 0);
370
371 term_start = total_rows - nrow;
372 top_row = q - term_start;
373
374 // make sure all terminal lines exist
375 while (top_row > 0)
376 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
377 }
378 else
415 } 379 {
380 // if no scrollback exists (yet), wing, instead of wrap
381
382 for (int row = min (nrow, prev_nrow); row--; )
383 {
384 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
385 line_t &qline = row_buf [row];
416 386
417 free (screen.text); screen.text = tp; 387 qline = pline;
418 free (screen.rend); screen.rend = rp; 388 lresize (qline);
419 free (screen.tlen); screen.tlen = tl; 389 }
420 390
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 391 for (int row = prev_nrow; row < nrow; row++)
422#endif 392 {
393 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
394 }
395
396 term_start = 0;
397 }
398
399 free (old_buf);
400 delete old_ta;
401 delete old_ra;
402
403 clamp_it (screen.cur.row, 0, nrow - 1);
404 clamp_it (screen.cur.col, 0, ncol - 1);
423 405
424 if (tabs) 406 if (tabs)
425 free (tabs); 407 free (tabs);
426 } 408 }
427 409
410 CLEAR_ALL_SELECTION ();
411
428 prev_nrow = nrow; 412 prev_nrow = nrow;
429 prev_ncol = ncol; 413 prev_ncol = ncol;
430 414
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 415 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432 416
433 for (p = 0; p < ncol; p++) 417 for (int col = ncol; col--; )
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 418 tabs [col] = col % TABSIZE == 0;
435 419
436 tt_winch (); 420 tt_winch ();
437}
438 421
439void 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
440rxvt_term::scr_reset_realloc ()
441{
442 unsigned int total_rows = nrow + saveLines;
443
444 screen.line = (line_t **)rxvt_realloc (screen.line, nrow * sizeof (line_t *));
445 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
446 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
447 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
448 buf = (line_t *) rxvt_realloc (buf , total_rows * sizeof (line_t));
449} 423}
450 424
451/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
452/* 426/*
453 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
454 */ 428 */
455void 429void
456rxvt_term::scr_release () 430rxvt_term::scr_release ()
457{ 431{
458 unsigned int total_rows;
459
460 total_rows = nrow + saveLines;
461
462 delete talloc; talloc = 0; 432 delete talloc; talloc = 0;
463 delete ralloc; ralloc = 0; 433 delete ralloc; ralloc = 0;
464 434
465 free (screen.line); 435 free (row_buf);
466 free (save);
467 free (swap_save); 436 free (swap_buf);
468 free (drawn); 437 free (drawn_buf);
469 free (buf);
470 free (tabs); 438 free (tabs);
439
440 row_buf = 0; // signal that we freed all the arrays
471} 441}
472 442
473/* ------------------------------------------------------------------------- */ 443/* ------------------------------------------------------------------------- */
474/* 444/*
475 * Hard reset 445 * Hard reset
… …
480 scr_release (); 450 scr_release ();
481 prev_nrow = prev_ncol = 0; 451 prev_nrow = prev_ncol = 0;
482 scr_reset (); 452 scr_reset ();
483 453
484 scr_clear (true); 454 scr_clear (true);
485 scr_refresh (SLOW_REFRESH); 455 scr_refresh ();
486} 456}
487 457
488/* ------------------------------------------------------------------------- * 458/* ------------------------------------------------------------------------- *
489 * PROCESS SCREEN COMMANDS * 459 * PROCESS SCREEN COMMANDS *
490 * ------------------------------------------------------------------------- */ 460 * ------------------------------------------------------------------------- */
… …
492 * Save and Restore cursor 462 * Save and Restore cursor
493 * XTERM_SEQ: Save cursor : ESC 7 463 * XTERM_SEQ: Save cursor : ESC 7
494 * XTERM_SEQ: Restore cursor: ESC 8 464 * XTERM_SEQ: Restore cursor: ESC 8
495 */ 465 */
496void 466void
497rxvt_term::scr_cursor (int mode) 467rxvt_term::scr_cursor (cursor_mode mode)
498{ 468{
499 screen_t *s; 469 screen_t *s;
500 470
501#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 471#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
502 if (current_screen == SECONDARY) 472 if (current_screen == SECONDARY)
… …
526 set_font_style (); 496 set_font_style ();
527 break; 497 break;
528 } 498 }
529 499
530 /* boundary check in case screen size changed between SAVE and RESTORE */ 500 /* boundary check in case screen size changed between SAVE and RESTORE */
531 MIN_IT (s->cur.row, nrow - 1); 501 min_it (s->cur.row, nrow - 1);
532 MIN_IT (s->cur.col, ncol - 1); 502 min_it (s->cur.col, ncol - 1);
533#ifdef DEBUG_STRICT 503#ifdef DEBUG_STRICT
534 assert (s->cur.row >= 0); 504 assert (s->cur.row >= 0);
535 assert (s->cur.col >= 0); 505 assert (s->cur.col >= 0);
536#else /* drive with your eyes closed */
537 MAX_IT (s->cur.row, 0);
538 MAX_IT (s->cur.col, 0);
539#endif 506#endif
540} 507}
541 508
542/* ------------------------------------------------------------------------- */ 509/* ------------------------------------------------------------------------- */
543/* 510/*
… …
546 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 513 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
547 */ 514 */
548int 515int
549rxvt_term::scr_change_screen (int scrn) 516rxvt_term::scr_change_screen (int scrn)
550{ 517{
551 int i;
552#if NSCREENS
553 int offset;
554#endif
555
556 want_refresh = 1; 518 want_refresh = 1;
557
558 view_start = 0; 519 view_start = 0;
559 520
560 if (current_screen == scrn) 521 if (current_screen == scrn)
561 return scrn; 522 return scrn;
562 523
563 selection_check (2); /* check for boundary cross */ 524 selection_check (2); /* check for boundary cross */
564 525
565 i = current_screen; current_screen = scrn; scrn = i; 526 int i = current_screen; current_screen = scrn; scrn = i;
566 527
567 SWAP_IT (screen.cur.row, swap.cur.row, int16_t); 528 ::swap (screen.cur.row, swap.cur.row);
568 SWAP_IT (screen.cur.col, swap.cur.col, int16_t); 529 ::swap (screen.cur.col, swap.cur.col);
569 MAX_IT (screen.cur.row, 0); 530
570 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); 531 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
571 MAX_IT (screen.cur.col, 0); 532 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
572 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
573 533
574#if NSCREENS 534#if NSCREENS
575 if (options & Opt_secondaryScreen) 535 if (OPTION (Opt_secondaryScreen))
576 { 536 {
577 num_scr = 0; 537 num_scr = 0;
578 offset = saveLines;
579 538
580 for (i = prev_nrow; i--;) 539 for (int i = prev_nrow; i--; )
581 SWAP_IT (*(screen.line[i]), swap_save[i], line_t); 540 ::swap (ROW(i), swap_buf [i]);
582 541
583 SWAP_IT (screen.charset, swap.charset, int16_t); 542 ::swap (screen.charset, swap.charset);
584 SWAP_IT (screen.flags, swap.flags, int); 543 ::swap (screen.flags, swap.flags);
585 screen.flags |= Screen_VisibleCursor; 544 screen.flags |= Screen_VisibleCursor;
586 swap.flags |= Screen_VisibleCursor; 545 swap.flags |= Screen_VisibleCursor;
587 } 546 }
588 else 547 else
589#endif 548#endif
590 if (options & Opt_secondaryScroll) 549 if (OPTION (Opt_secondaryScroll))
591 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 550 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
592 551
593 return scrn; 552 return scrn;
594} 553}
595 554
596// clear WrapNext indicator, solidifying position on next line 555// clear WrapNext indicator, solidifying position on next line
… …
603 screen.flags &= ~Screen_WrapNext; 562 screen.flags &= ~Screen_WrapNext;
604 563
605 screen.cur.col = 0; 564 screen.cur.col = 0;
606 565
607 if (screen.cur.row == screen.bscroll) 566 if (screen.cur.row == screen.bscroll)
608 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 567 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
609 else if (screen.cur.row < nrow - 1) 568 else if (screen.cur.row < nrow - 1)
610 screen.cur.row++; 569 screen.cur.row++;
611} 570}
612 571
613/* ------------------------------------------------------------------------- */ 572/* ------------------------------------------------------------------------- */
… …
615 * Change the colour for following text 574 * Change the colour for following text
616 */ 575 */
617void 576void
618rxvt_term::scr_color (unsigned int color, int fgbg) 577rxvt_term::scr_color (unsigned int color, int fgbg)
619{ 578{
620 if (color > maxTermCOLOR) 579 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
621 color = fgbg; 580 color = fgbg;
622 581
623 if (fgbg == Color_fg) 582 if (fgbg == Color_fg)
624 rstyle = SET_FGCOLOR (rstyle, color); 583 rstyle = SET_FGCOLOR (rstyle, color);
625 else 584 else
… …
639 rstyle = DEFAULT_RSTYLE; 598 rstyle = DEFAULT_RSTYLE;
640 else 599 else
641 rstyle &= ~style; 600 rstyle &= ~style;
642 } 601 }
643 602
644// set screen.line pointers to the actual lines in the save buffer
645void
646rxvt_term::scr_update_term ()
647{
648 for (int i = nrow; i--; )
649 screen.line[i] = save + saveLines + i;
650}
651
652/* ------------------------------------------------------------------------- */ 603/* ------------------------------------------------------------------------- */
653/* 604/*
654 * Scroll text between <row1> and <row2> inclusive, by <count> lines 605 * Scroll text between <row1> and <row2> inclusive, by <count> lines
655 * count positive ==> scroll up 606 * count positive ==> scroll up
656 * count negative ==> scroll down 607 * count negative ==> scroll down
657 * spec == 0 for normal routines
658 */ 608 */
659int 609int
660rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 610rxvt_term::scr_scroll_text (int row1, int row2, int count)
661{ 611{
662 int i, j;
663
664 if (count == 0 || (row1 > row2)) 612 if (count == 0 || (row1 > row2))
665 return 0; 613 return 0;
666 614
667 want_refresh = 1; 615 want_refresh = 1;
616 num_scr += count;
668 617
669 if (row1 == 0 && count > 0 618 if (count > 0
619 && row1 == 0
670 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 620 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
621 {
622 top_row = max (top_row - count, -saveLines);
623
624 // scroll everything up 'count' lines
625 term_start = (term_start + count) % total_rows;
626
627 // sever bottommost line
671 { 628 {
672 nscrolled += count; 629 line_t &l = ROW(row2 - count);
673 630 l.is_longer (0);
674 if (nscrolled > saveLines) 631 l.touch ();
675 nscrolled = saveLines;
676
677 if ((options & Opt_scrollWithBuffer)
678 && view_start != 0
679 && view_start != saveLines)
680 scr_page (UP, count);
681 } 632 }
682 else if (!spec)
683 row1 += saveLines;
684 633
685 row2 += saveLines; 634 // erase newly scrolled-in lines
635 for (int i = count; i--; )
636 {
637 // basically this is a slightly optimized scr_blank_screen_mem
638 // it is worth the effort on slower machines
639 line_t &l = ROW(nrow - 1 - i);
686 640
641 scr_blank_line (l, 0, l.l, rstyle);
642
643 l.l = 0;
644 l.f = 0;
645 }
646
647 // now copy lines below the scroll region bottom to the
648 // bottom of the screen again, so they look as if they
649 // hadn't moved.
650 for (int i = nrow; --i > row2; )
651 {
652 line_t &l1 = ROW(i - count);
653 line_t &l2 = ROW(i);
654
655 ::swap (l1, l2);
656 l2.touch ();
657 }
658
659 // move and/or clear selection, if any
687 if (selection.op && current_screen == selection.screen) 660 if (selection.op && current_screen == selection.screen)
688 {
689 i = selection.beg.row + saveLines;
690 j = selection.end.row + saveLines;
691
692 if ((i < row1 && j > row1)
693 || (i < row2 && j > row2)
694 || (i - count < row1 && i >= row1)
695 || (i - count > row2 && i <= row2)
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 {
699 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 661 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 662 selection.beg.row -= count;
706 selection.end.row -= count; 663 selection.end.row -= count;
707 selection.mark.row -= count; 664 selection.mark.row -= count;
665
666 if (selection.beg.row < top_row
667 || selection.end.row < top_row
668 || selection.mark.row < top_row)
669 {
670 CLEAR_ALL_SELECTION ();
671 selection.op = SELECTION_CLEAR;
672 }
673 }
674
675 // finally move the view window, if desired
676 if (OPTION (Opt_scrollWithBuffer)
677 && view_start != 0
678 && view_start != -saveLines)
679 scr_page (UP, count);
680
681 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
682 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
683 }
684 else
685 {
686 if (selection.op && current_screen == selection.screen)
708 } 687 {
709 } 688 if ((selection.beg.row < row1 && selection.end.row > row1)
689 || (selection.beg.row < row2 && selection.end.row > row2)
690 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
691 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
692 || (selection.end.row - count < row1 && selection.end.row >= row1)
693 || (selection.end.row - count > row2 && selection.end.row <= row2))
694 {
695 CLEAR_ALL_SELECTION ();
696 selection.op = SELECTION_CLEAR;
697 }
698 else if (selection.end.row >= row1 && selection.end.row <= row2)
699 {
700 /* move selected region too */
701 selection.beg.row -= count;
702 selection.end.row -= count;
703 selection.mark.row -= count;
704
705 selection_check (0);
706 }
707 }
710 708
711 selection_check (0); /* _after_ nscrolled update */ 709 // use a simple and robust scrolling algorithm, this
710 // part of scr_scroll_text is not time-critical.
712 711
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1; 712 int rows = row2 - row1 + 1;
720 MIN_IT (count, i);
721 713
722 if (j > 0) 714 min_it (count, rows);
715
716 line_t *temp_buf = row_buf + total_rows;
717
718 for (int row = 0; row < rows; row++)
719 {
720 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
721
722 if (!IN_RANGE_EXC (row + count, 0, rows))
723 scr_blank_screen_mem (temp_buf [row], rstyle);
724 }
725
726 for (int row = 0; row < rows; row++)
727 ROW(row1 + row) = temp_buf [row];
723 { 728 }
724 /* scroll up */
725
726 /* Copy lines that will get clobbered by the rotation */
727 memcpy (buf, save + row1, count * sizeof (line_t));
728
729 /* Rotate lines */
730 i = row2 - row1 - count + 1;
731 memmove (save + row1, save + row1 + count, i * sizeof (line_t));
732
733 j = row2 - count + 1, i = count;
734 }
735 else /* if (j < 0) */
736 {
737 /* scroll down */
738
739 /* Copy lines that will get clobbered by the rotation */
740 for (i = 0, j = row2; i < count; i++, j--)
741 buf[i] = save[j];
742
743 /* Rotate lines */
744 for (j = row2, i = j - count; i >= row1; i--, j--)
745 save[j] = save[i];
746
747 j = row1, i = count;
748 count = -count;
749 }
750
751 /* Resurrect lines */
752 memcpy (save + j, buf, i * sizeof (line_t));
753
754 scr_update_term ();
755
756 if (!spec) /* line length may not equal ncol */
757 for (; i--; j++)
758 scr_blank_screen_mem (save[j], rstyle);
759 729
760 return count; 730 return count;
761} 731}
762 732
763/* ------------------------------------------------------------------------- */ 733/* ------------------------------------------------------------------------- */
764/* 734/*
765 * Add text given in <str> of length <len> to screen struct 735 * Add text given in <str> of length <len> to screen struct
766 */ 736 */
767void 737void
768rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 738rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)
769{ 739{
770 if (len <= 0) /* sanity */ 740 if (len <= 0) /* sanity */
771 return; 741 return;
772 742
773 unsigned char checksel; 743 unsigned char checksel;
774 unicode_t c; 744 unicode_t c;
775 int row, last_col; 745 int ncol = this->ncol;
776 const unicode_t *strend = str + len; 746 const wchar_t *strend = str + len;
777 747
778 want_refresh = 1; 748 want_refresh = 1;
779 ZERO_SCROLLBACK (); 749 ZERO_SCROLLBACK ();
780 last_col = ncol;
781 750
782 if (nlines > 0) 751 if (minlines > 0)
783 { 752 {
784 nlines += screen.cur.row - screen.bscroll; 753 minlines += screen.cur.row - screen.bscroll;
754
785 if ((nlines > 0) 755 if (minlines > 0
786 && (screen.tscroll == 0) 756 && screen.tscroll == 0
787 && (screen.bscroll == (nrow - 1))) 757 && screen.bscroll == nrow - 1)
788 { 758 {
789 /* _at least_ this many lines need to be scrolled */ 759 /* _at least_ this many lines need to be scrolled */
790 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 760 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
791 screen.cur.row -= nlines; 761 screen.cur.row -= minlines;
792 } 762 }
793 } 763 }
794 764
795#ifdef DEBUG_STRICT 765#ifdef DEBUG_STRICT
796 assert (screen.cur.col < last_col); 766 assert (screen.cur.col < ncol);
797 assert ((screen.cur.row < nrow) 767 assert (screen.cur.row < nrow
798 && (screen.cur.row >= - (int32_t)nscrolled)); 768 && screen.cur.row >= top_row);
799#else /* drive with your eyes closed */
800 MIN_IT (screen.cur.col, last_col - 1);
801 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
802 MAX_IT (screen.cur.row, - (int32_t)nscrolled);
803#endif 769#endif
804 row = screen.cur.row + saveLines; 770 int row = screen.cur.row;
805 771
806 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 772 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
807 773
808 line_t *line = save + row; 774 line_t *line = &ROW(row);
809 775
810 while (str < strend) 776 while (str < strend)
811 { 777 {
812 c = *str++; 778 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
813 779
814 if (c < 0x20) 780 if (c < 0x20)
815 if (c == C0_LF) 781 if (c == C0_LF)
816 { 782 {
817 if (line->l != -1) /* XXX: think about this */
818 MAX_IT (line->l, screen.cur.col); 783 max_it (line->l, screen.cur.col);
819 784
820 screen.flags &= ~Screen_WrapNext; 785 screen.flags &= ~Screen_WrapNext;
821 786
822 if (screen.cur.row == screen.bscroll) 787 if (screen.cur.row == screen.bscroll)
823 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 788 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
824 else if (screen.cur.row < (nrow - 1)) 789 else if (screen.cur.row < (nrow - 1))
825 row = (++screen.cur.row) + saveLines; 790 row = ++screen.cur.row;
826 791
827 line = save + row; /* _must_ refresh */ 792 line = &ROW(row); /* _must_ refresh */
828 continue; 793 continue;
829 } 794 }
830 else if (c == C0_CR) 795 else if (c == C0_CR)
831 { 796 {
832 if (line->l != -1) /* XXX: think about this */
833 MAX_IT (line->l, screen.cur.col); 797 max_it (line->l, screen.cur.col);
834 798
835 screen.flags &= ~Screen_WrapNext; 799 screen.flags &= ~Screen_WrapNext;
836 screen.cur.col = 0; 800 screen.cur.col = 0;
837 continue; 801 continue;
838 } 802 }
… …
855 CLEAR_SELECTION (); 819 CLEAR_SELECTION ();
856 } 820 }
857 821
858 if (screen.flags & Screen_WrapNext) 822 if (screen.flags & Screen_WrapNext)
859 { 823 {
860 line->l = -1;
861
862 scr_do_wrap (); 824 scr_do_wrap ();
863 825
826 line->l = ncol;
827 line->is_longer (1);
828
864 row = screen.cur.row + saveLines; 829 row = screen.cur.row;
865 line = save + row; /* _must_ refresh */ 830 line = &ROW(row); /* _must_ refresh */
866 } 831 }
867 832
868 // some utf-8 decoders "decode" surrogate characters: let's fix this. 833 // some utf-8 decoders "decode" surrogate characters: let's fix this.
869 if (IN_RANGE (c, 0xd800, 0xdfff)) 834 if (IN_RANGE_INC (c, 0xd800, 0xdfff))
870 c = 0xfffd; 835 c = 0xfffd;
871 836
872 // rely on wcwidth to tell us the character width, at least for non-latin1 837 // rely on wcwidth to tell us the character width, at least for non-latin1
873 // do wcwidth before further replacements, as wcwidth might return -1 838 // do wcwidth before further replacements, as wcwidth might return -1
874 // for the line drawing characters below as they might be invalid in the current 839 // for the line drawing characters below as they might be invalid in the current
875 // locale. 840 // locale.
876 int width = c < 0x100 ? 1 : wcwidth (c); 841 int width = c < 0x100 ? 1 : wcwidth (c);
877 842
878 if (charsets[screen.charset] == '0') // DEC SPECIAL 843 if (charsets [screen.charset] == '0') // DEC SPECIAL
879 { 844 {
880 // vt100 special graphics and line drawing 845 // vt100 special graphics and line drawing
881 // 5f-7e standard vt100 846 // 5f-7e standard vt100
882 // 40-5e rxvt extension for extra curses acs chars 847 // 40-5e rxvt extension for extra curses acs chars
883 static uint16_t vt100_0[62] = { // 41 .. 7e 848 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
935 } 900 }
936 901
937 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 902 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
938 903
939 // if the character doesn't fit into the remaining columns... 904 // if the character doesn't fit into the remaining columns...
940 if (screen.cur.col > last_col - width && last_col >= width) 905 if (screen.cur.col > ncol - width && ncol >= width)
941 { 906 {
942 // ...output spaces 907 // ...output spaces
943 c = ' '; 908 c = ' ';
944 // and try the same character next loop iteration 909 // and try the same character next loop iteration
945 --str; 910 --str;
946 } 911 }
947 912
913 line->touch ();
914
948 do 915 do
949 { 916 {
950 line->t[screen.cur.col] = c; 917 line->t[screen.cur.col] = c;
951 line->r[screen.cur.col] = rend; 918 line->r[screen.cur.col] = rend;
952 919
953 if (screen.cur.col < last_col - 1) 920 if (screen.cur.col < ncol - 1)
954 screen.cur.col++; 921 screen.cur.col++;
955 else 922 else
956 { 923 {
957 line->l = last_col; 924 line->l = ncol;
958 if (screen.flags & Screen_Autowrap) 925 if (screen.flags & Screen_Autowrap)
959 screen.flags |= Screen_WrapNext; 926 screen.flags |= Screen_WrapNext;
960 break; 927 break;
961 } 928 }
962 929
… …
964 } 931 }
965 while (--width > 0); 932 while (--width > 0);
966 933
967 // pad with spaces when overwriting wide character with smaller one 934 // pad with spaces when overwriting wide character with smaller one
968 if (!width) 935 if (!width)
936 {
937 line->touch ();
938
969 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 939 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
970 { 940 {
971 line->t[c] = ' '; 941 line->t[c] = ' ';
972 line->r[c] = rend; 942 line->r[c] = rend;
973 } 943 }
944 }
974 } 945 }
975 else // width == 0 946 else // width == 0
976 { 947 {
977#if ENABLE_COMBINING 948#if ENABLE_COMBINING
978 // handle combining characters 949 // handle combining characters
979 // we just tag the accent on the previous on-screen character. 950 // we just tag the accent on the previous on-screen character.
980 // this is arguably not correct, but also arguably not wrong. 951 // this is arguably not correct, but also arguably not wrong.
981 // we don't handle double-width characters nicely yet. 952 // we don't handle double-width characters nicely yet.
953 line_t *linep;
982 text_t *tp; 954 text_t *tp;
983 rend_t *rp; 955 rend_t *rp;
984 956
985 if (screen.cur.col > 0) 957 if (screen.cur.col > 0)
986 { 958 {
959 linep = line;
987 tp = line->t + screen.cur.col - 1; 960 tp = line->t + screen.cur.col - 1;
988 rp = line->r + screen.cur.col - 1; 961 rp = line->r + screen.cur.col - 1;
989
990 while (*tp == NOCHAR && tp > line->t)
991 tp--, rp--;
992 } 962 }
993 else if (screen.cur.row > 0 963 else if (screen.cur.row > 0
994 && save [screen.cur.row - 1 + saveLines].l == -1) 964 && ROW(screen.cur.row - 1).is_longer ())
995 { 965 {
996 line_t *line = save + (screen.cur.row - 1 + saveLines); 966 linep = &ROW(screen.cur.row - 1);
997
998 tp = line->t + last_col - 1; 967 tp = line->t + ncol - 1;
999 rp = line->r + last_col - 1; 968 rp = line->r + ncol - 1;
1000
1001 while (*tp == NOCHAR && tp > line->t)
1002 tp--, rp--;
1003 } 969 }
1004 else 970 else
1005 continue; 971 continue;
972
973 linep->touch ();
974
975 while (*tp == NOCHAR && tp > linep->t)
976 tp--, rp--;
1006 977
1007 // first try to find a precomposed character 978 // first try to find a precomposed character
1008 unicode_t n = rxvt_compose (*tp, c); 979 unicode_t n = rxvt_compose (*tp, c);
1009 if (n == NOCHAR) 980 if (n == NOCHAR)
1010 n = rxvt_composite.compose (*tp, c); 981 n = rxvt_composite.compose (*tp, c);
… …
1013 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 984 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1014#endif 985#endif
1015 } 986 }
1016 } 987 }
1017 988
1018 if (line->l != -1) /* XXX: think about this */
1019 MAX_IT (line->l, screen.cur.col); 989 max_it (line->l, screen.cur.col);
1020 990
1021#ifdef DEBUG_STRICT 991#ifdef DEBUG_STRICT
1022 assert (screen.cur.row >= 0); 992 assert (screen.cur.row >= 0);
1023#else /* drive with your eyes closed */
1024 MAX_IT (screen.cur.row, 0);
1025#endif 993#endif
1026} 994}
1027 995
1028/* ------------------------------------------------------------------------- */ 996/* ------------------------------------------------------------------------- */
1029/* 997/*
… …
1068 1036
1069 if (count == 0) 1037 if (count == 0)
1070 return; 1038 return;
1071 else if (count > 0) 1039 else if (count > 0)
1072 { 1040 {
1073 int row = saveLines + screen.cur.row; 1041 line_t &l = ROW(screen.cur.row);
1074
1075 line_t &l = save[row];
1076 rend_t base_rend = l.r[i]; 1042 rend_t base_rend = l.r[i];
1077 ht &= l.t[i] == ' '; 1043 ht &= l.t[i] == ' ';
1078 1044
1079 for (; ++i < ncol; ) 1045 for (; ++i < ncol; )
1080 if (tabs[i]) 1046 if (tabs[i])
1081 { 1047 {
1082 x = i; 1048 x = i;
1049
1083 if (!--count) 1050 if (!--count)
1084 break; 1051 break;
1085 } 1052 }
1086 else 1053 else
1087 ht &= l.t[i] == ' ' 1054 ht &= l.t[i] == ' '
… …
1090 if (count) 1057 if (count)
1091 x = ncol - 1; 1058 x = ncol - 1;
1092 1059
1093 // store horizontal tab commands as characters inside the text 1060 // store horizontal tab commands as characters inside the text
1094 // buffer so they can be selected and pasted. 1061 // buffer so they can be selected and pasted.
1095 if (ht && options & Opt_pastableTabs) 1062 if (ht && OPTION (Opt_pastableTabs))
1096 { 1063 {
1097 base_rend = SET_FONT (base_rend, 0); 1064 base_rend = SET_FONT (base_rend, 0);
1098 1065
1099 if (l.l != -1) /* XXX: think about this */ 1066 l.touch (x);
1100 MAX_IT (l.l, x);
1101 1067
1102 i = screen.cur.col; 1068 i = screen.cur.col;
1103 1069
1104 l.t[i] = '\t'; 1070 l.t[i] = '\t';
1105 l.r[i] = base_rend; 1071 l.r[i] = base_rend;
… …
1141rxvt_term::scr_backindex () 1107rxvt_term::scr_backindex ()
1142{ 1108{
1143 if (screen.cur.col > 0) 1109 if (screen.cur.col > 0)
1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1110 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1145 else 1111 else
1146 {
1147 if (save[screen.cur.row + saveLines].l == 0)
1148 return; /* um, yeah? */
1149
1150 scr_insdel_chars (1, INSERT); 1112 scr_insdel_chars (1, INSERT);
1151 }
1152} 1113}
1153#endif 1114#endif
1154/* ------------------------------------------------------------------------- */ 1115/* ------------------------------------------------------------------------- */
1155/* 1116/*
1156 * Process DEC Forward Index 1117 * Process DEC Forward Index
… …
1160 */ 1121 */
1161#if ENABLE_FRILLS 1122#if ENABLE_FRILLS
1162void 1123void
1163rxvt_term::scr_forwardindex () 1124rxvt_term::scr_forwardindex ()
1164{ 1125{
1165 int row;
1166
1167 if (screen.cur.col < ncol - 1) 1126 if (screen.cur.col < ncol - 1)
1168 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1127 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1169 else 1128 else
1170 { 1129 {
1171 row = screen.cur.row + saveLines; 1130 line_t &l = ROW(screen.cur.row);
1172 1131
1173 if (save[row].l == 0) 1132 l.touch ();
1174 return; /* um, yeah? */ 1133 l.is_longer (0);
1175 else if (save[row].l == -1)
1176 save[row].l = ncol;
1177 1134
1178 scr_gotorc (0, 0, R_RELATIVE); 1135 scr_gotorc (0, 0, R_RELATIVE);
1179 scr_insdel_chars (1, DELETE); 1136 scr_insdel_chars (1, DELETE);
1180 scr_gotorc (0, ncol - 1, R_RELATIVE); 1137 scr_gotorc (0, ncol - 1, R_RELATIVE);
1181 } 1138 }
… …
1191{ 1148{
1192 want_refresh = 1; 1149 want_refresh = 1;
1193 ZERO_SCROLLBACK (); 1150 ZERO_SCROLLBACK ();
1194 1151
1195 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1152 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1196 MAX_IT (screen.cur.col, 0); 1153 clamp_it (screen.cur.col, 0, ncol - 1);
1197 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1198 1154
1199 screen.flags &= ~Screen_WrapNext; 1155 screen.flags &= ~Screen_WrapNext;
1200 1156
1201 if (relative & R_RELATIVE) 1157 if (relative & R_RELATIVE)
1202 { 1158 {
… …
1220 else 1176 else
1221 { 1177 {
1222 if (screen.flags & Screen_Relative) 1178 if (screen.flags & Screen_Relative)
1223 { /* relative origin mode */ 1179 { /* relative origin mode */
1224 screen.cur.row = row + screen.tscroll; 1180 screen.cur.row = row + screen.tscroll;
1225 MIN_IT (screen.cur.row, screen.bscroll); 1181 min_it (screen.cur.row, screen.bscroll);
1226 } 1182 }
1227 else 1183 else
1228 screen.cur.row = row; 1184 screen.cur.row = row;
1229 } 1185 }
1230 1186
1231 MAX_IT (screen.cur.row, 0); 1187 clamp_it (screen.cur.row, 0, nrow - 1);
1232 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1233} 1188}
1234 1189
1235/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1236/* 1191/*
1237 * direction should be UP or DN 1192 * direction should be UP or DN
… …
1248 1203
1249 screen.flags &= ~Screen_WrapNext; 1204 screen.flags &= ~Screen_WrapNext;
1250 1205
1251 if ((screen.cur.row == screen.bscroll && direction == UP) 1206 if ((screen.cur.row == screen.bscroll && direction == UP)
1252 || (screen.cur.row == screen.tscroll && direction == DN)) 1207 || (screen.cur.row == screen.tscroll && direction == DN))
1253 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1208 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1254 else 1209 else
1255 screen.cur.row += dirn; 1210 screen.cur.row += dirn;
1256 1211
1257 MAX_IT (screen.cur.row, 0); 1212 clamp_it (screen.cur.row, 0, nrow - 1);
1258 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1259 selection_check (0); 1213 selection_check (0);
1260} 1214}
1261 1215
1262/* ------------------------------------------------------------------------- */ 1216/* ------------------------------------------------------------------------- */
1263/* 1217/*
… …
1267 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1221 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1268 */ 1222 */
1269void 1223void
1270rxvt_term::scr_erase_line (int mode) 1224rxvt_term::scr_erase_line (int mode)
1271{ 1225{
1272 unsigned int row, col, num; 1226 unsigned int col, num;
1273 1227
1274 want_refresh = 1; 1228 want_refresh = 1;
1275 ZERO_SCROLLBACK (); 1229 ZERO_SCROLLBACK ();
1276 1230
1277 selection_check (1); 1231 selection_check (1);
1278 1232
1279 row = saveLines + screen.cur.row; 1233 line_t &line = ROW(screen.cur.row);
1234
1235 line.touch ();
1236 line.is_longer (0);
1280 1237
1281 switch (mode) 1238 switch (mode)
1282 { 1239 {
1283 case 0: /* erase to end of line */ 1240 case 0: /* erase to end of line */
1284 col = screen.cur.col; 1241 col = screen.cur.col;
1285 num = ncol - col; 1242 num = ncol - col;
1286 MIN_IT (save[row].l, (int16_t)col); 1243 min_it (line.l, col);
1287 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1244 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1288 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1245 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1289 CLEAR_SELECTION (); 1246 CLEAR_SELECTION ();
1290 break; 1247 break;
1291 case 1: /* erase to beginning of line */ 1248 case 1: /* erase to beginning of line */
… …
1296 CLEAR_SELECTION (); 1253 CLEAR_SELECTION ();
1297 break; 1254 break;
1298 case 2: /* erase whole line */ 1255 case 2: /* erase whole line */
1299 col = 0; 1256 col = 0;
1300 num = ncol; 1257 num = ncol;
1301 save[row].l = 0; 1258 line.l = 0;
1302 if (selection.beg.row <= screen.cur.row 1259 if (selection.beg.row <= screen.cur.row
1303 && selection.end.row >= screen.cur.row) 1260 && selection.end.row >= screen.cur.row)
1304 CLEAR_SELECTION (); 1261 CLEAR_SELECTION ();
1305 break; 1262 break;
1306 default: 1263 default:
1307 return; 1264 return;
1308 } 1265 }
1309 1266
1310 if (save[row].t)
1311 scr_blank_line (save[row], col, num, rstyle); 1267 scr_blank_line (line, col, num, rstyle);
1312 else
1313 scr_blank_screen_mem (save[row], rstyle);
1314} 1268}
1315 1269
1316/* ------------------------------------------------------------------------- */ 1270/* ------------------------------------------------------------------------- */
1317/* 1271/*
1318 * Erase part of whole of the screen 1272 * Erase part of whole of the screen
… …
1322 */ 1276 */
1323void 1277void
1324rxvt_term::scr_erase_screen (int mode) 1278rxvt_term::scr_erase_screen (int mode)
1325{ 1279{
1326 int num; 1280 int num;
1327 int32_t row, row_offset; 1281 int32_t row;
1328 rend_t ren; 1282 rend_t ren;
1329 XGCValues gcvalue; 1283 XGCValues gcvalue;
1330 1284
1331 want_refresh = 1; 1285 want_refresh = 1;
1332 ZERO_SCROLLBACK (); 1286 ZERO_SCROLLBACK ();
1333
1334 row_offset = (int32_t)saveLines;
1335 1287
1336 switch (mode) 1288 switch (mode)
1337 { 1289 {
1338 case 0: /* erase to end of screen */ 1290 case 0: /* erase to end of screen */
1339 selection_check (1); 1291 selection_check (1);
… …
1363 CLEAR_SELECTION (); 1315 CLEAR_SELECTION ();
1364 1316
1365 if (row >= nrow) /* Out Of Bounds */ 1317 if (row >= nrow) /* Out Of Bounds */
1366 return; 1318 return;
1367 1319
1368 MIN_IT (num, (nrow - row)); 1320 min_it (num, nrow - row);
1369 1321
1370 if (rstyle & (RS_RVid | RS_Uline)) 1322 if (rstyle & (RS_RVid | RS_Uline))
1371 ren = (rend_t) ~RS_None; 1323 ren = (rend_t) ~RS_None;
1372 else if (GET_BASEBG (rstyle) == Color_bg) 1324 else if (GET_BASEBG (rstyle) == Color_bg)
1373 { 1325 {
… …
1375 CLEAR_ROWS (row, num); 1327 CLEAR_ROWS (row, num);
1376 } 1328 }
1377 else 1329 else
1378 { 1330 {
1379 ren = rstyle & (RS_fgMask | RS_bgMask); 1331 ren = rstyle & (RS_fgMask | RS_bgMask);
1380 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1332 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1381 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1333 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1382 ERASE_ROWS (row, num); 1334 ERASE_ROWS (row, num);
1383 gcvalue.foreground = pix_colors[Color_fg]; 1335 gcvalue.foreground = pix_colors[Color_fg];
1384 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1336 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1385 } 1337 }
1386 1338
1387 for (; num--; row++) 1339 for (; num--; row++)
1388 { 1340 {
1389 scr_blank_screen_mem (save[row + row_offset], rstyle); 1341 scr_blank_screen_mem (ROW(row), rstyle);
1390 save[row + row_offset].l = 0;
1391 scr_blank_line (drawn[row], 0, ncol, ren); 1342 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1392 } 1343 }
1393} 1344}
1394 1345
1395#if ENABLE_FRILLS 1346#if ENABLE_FRILLS
1396void 1347void
1397rxvt_term::scr_erase_savelines () 1348rxvt_term::scr_erase_savelines ()
1398{ 1349{
1399 want_refresh = 1; 1350 want_refresh = 1;
1400 ZERO_SCROLLBACK (); 1351 ZERO_SCROLLBACK ();
1401 1352
1402 nscrolled = 0; 1353 top_row = 0;
1403} 1354}
1404#endif 1355#endif
1405 1356
1406/* ------------------------------------------------------------------------- */ 1357/* ------------------------------------------------------------------------- */
1407/* 1358/*
… …
1409 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1360 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1410 */ 1361 */
1411void 1362void
1412rxvt_term::scr_E () 1363rxvt_term::scr_E ()
1413{ 1364{
1414 int i, j, k;
1415 rend_t *r1, fs; 1365 rend_t fs;
1416 1366
1417 want_refresh = 1; 1367 want_refresh = 1;
1418 ZERO_SCROLLBACK (); 1368 ZERO_SCROLLBACK ();
1419 1369
1420 num_scr_allow = 0; 1370 num_scr_allow = 0;
1421 selection_check (3); 1371 selection_check (3);
1422 1372
1423 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1373 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1424 for (k = saveLines, i = nrow; i--; k++) 1374 for (int row = nrow; row--; )
1425 { 1375 {
1426 save[k].l = ncol; /* make the `E's selectable */ 1376 line_t &line = ROW(row);
1377
1427 fill_text (save[k].t, 'E', ncol); 1378 fill_text (line.t, 'E', ncol);
1428 for (r1 = save[k].r, j = ncol; j--; ) 1379 rend_t *r1 = line.r;
1380
1381 for (int j = ncol; j--; )
1429 *r1++ = fs; 1382 *r1++ = fs;
1383
1384 line.is_longer (0);
1385 line.touch (ncol);
1430 } 1386 }
1431} 1387}
1432 1388
1433/* ------------------------------------------------------------------------- */ 1389/* ------------------------------------------------------------------------- */
1434/* 1390/*
… …
1455 count = end; 1411 count = end;
1456 } 1412 }
1457 1413
1458 scr_do_wrap (); 1414 scr_do_wrap ();
1459 1415
1460 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1416 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1461} 1417}
1462 1418
1463/* ------------------------------------------------------------------------- */ 1419/* ------------------------------------------------------------------------- */
1464/* 1420/*
1465 * Insert/Delete <count> characters from the current position 1421 * Insert/Delete <count> characters from the current position
… …
1477 return; 1433 return;
1478 1434
1479 scr_do_wrap (); 1435 scr_do_wrap ();
1480 1436
1481 selection_check (1); 1437 selection_check (1);
1482 MIN_IT (count, (ncol - screen.cur.col)); 1438 min_it (count, ncol - screen.cur.col);
1483 1439
1484 row = screen.cur.row + saveLines; 1440 row = screen.cur.row;
1485 1441
1486 line_t *line = save + row; 1442 line_t *line = &ROW(row);
1443
1444 line->touch ();
1445 line->is_longer (0);
1487 1446
1488 switch (insdel) 1447 switch (insdel)
1489 { 1448 {
1490 case INSERT: 1449 case INSERT:
1491 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1450 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1492 { 1451 {
1493 line->t[col] = line->t[col - count]; 1452 line->t[col] = line->t[col - count];
1494 line->r[col] = line->r[col - count]; 1453 line->r[col] = line->r[col - count];
1495 } 1454 }
1496 1455
1497 if (line->l != -1) 1456 line->l = min (line->l + count, ncol);
1498 {
1499 line->l += count;
1500 MIN_IT (line->l, ncol);
1501 }
1502 1457
1503 if (selection.op && current_screen == selection.screen 1458 if (selection.op && current_screen == selection.screen
1504 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1459 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1505 { 1460 {
1506 if (selection.end.row != screen.cur.row 1461 if (selection.end.row != screen.cur.row
… …
1512 selection.mark.col += count; /* XXX: yes? */ 1467 selection.mark.col += count; /* XXX: yes? */
1513 selection.end.col += count; 1468 selection.end.col += count;
1514 } 1469 }
1515 } 1470 }
1516 1471
1517 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1472 scr_blank_line (*line, screen.cur.col, count, rstyle);
1518 break; 1473 break;
1519 1474
1520 case ERASE: 1475 case ERASE:
1521 screen.cur.col += count; /* don't worry if > ncol */ 1476 screen.cur.col += count; /* don't worry if > ncol */
1522 selection_check (1); 1477 selection_check (1);
1523 screen.cur.col -= count; 1478 screen.cur.col -= count;
1479
1480 line->l = max (line->l - count, 0);
1524 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1481 scr_blank_line (*line, screen.cur.col, count, rstyle);
1525 break; 1482 break;
1526 1483
1527 case DELETE: 1484 case DELETE:
1528 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1485 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1529 1486
… …
1531 { 1488 {
1532 line->t[col] = line->t[col + count]; 1489 line->t[col] = line->t[col + count];
1533 line->r[col] = line->r[col + count]; 1490 line->r[col] = line->r[col + count];
1534 } 1491 }
1535 1492
1493 line->l = max (line->l - count, 0);
1536 scr_blank_line (*line, ncol - count, count, tr); 1494 scr_blank_line (*line, ncol - count, count, tr);
1537
1538 if (line->l == -1) /* break line continuation */
1539 line->l = ncol;
1540
1541 line->l -= count;
1542 MAX_IT (line->l, 0);
1543 1495
1544 if (selection.op && current_screen == selection.screen 1496 if (selection.op && current_screen == selection.screen
1545 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1497 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1546 { 1498 {
1547 if (selection.end.row != screen.cur.row 1499 if (selection.end.row != screen.cur.row
… …
1567 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1519 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1568 */ 1520 */
1569void 1521void
1570rxvt_term::scr_scroll_region (int top, int bot) 1522rxvt_term::scr_scroll_region (int top, int bot)
1571{ 1523{
1572 MAX_IT (top, 0); 1524 max_it (top, 0);
1573 MIN_IT (bot, (int)nrow - 1); 1525 min_it (bot, nrow - 1);
1574 1526
1575 if (top > bot) 1527 if (top > bot)
1576 return; 1528 return;
1577 1529
1578 screen.tscroll = top; 1530 screen.tscroll = top;
… …
1659rxvt_term::scr_set_tab (int mode) 1611rxvt_term::scr_set_tab (int mode)
1660{ 1612{
1661 if (mode < 0) 1613 if (mode < 0)
1662 memset (tabs, 0, ncol * sizeof (char)); 1614 memset (tabs, 0, ncol * sizeof (char));
1663 else if (screen.cur.col < ncol) 1615 else if (screen.cur.col < ncol)
1664 tabs[screen.cur.col] = (mode ? 1 : 0); 1616 tabs [screen.cur.col] = !!mode;
1665} 1617}
1666 1618
1667/* ------------------------------------------------------------------------- */ 1619/* ------------------------------------------------------------------------- */
1668/* 1620/*
1669 * Set reverse/normal video 1621 * Set reverse/normal video
… …
1676 XGCValues gcvalue; 1628 XGCValues gcvalue;
1677 1629
1678 if (rvideo != mode) 1630 if (rvideo != mode)
1679 { 1631 {
1680 rvideo = mode; 1632 rvideo = mode;
1681 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1633 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1682#if XPM_BACKGROUND 1634#if XPM_BACKGROUND
1683 if (bgPixmap.pixmap == None) 1635 if (bgPixmap.pixmap == None)
1684#endif 1636#endif
1685#if TRANSPARENT 1637#if TRANSPARENT
1686 if (! (options & Opt_transparent) || am_transparent == 0) 1638 if (! OPTION (Opt_transparent) || am_transparent == 0)
1687#endif 1639#endif
1688 XSetWindowBackground (display->display, vt, 1640 XSetWindowBackground (display->display, vt,
1689 pix_colors[Color_bg]); 1641 pix_colors[Color_bg]);
1690 1642
1691 gcvalue.foreground = pix_colors[Color_fg]; 1643 gcvalue.foreground = pix_colors[Color_fg];
… …
1716 * Set font style 1668 * Set font style
1717 */ 1669 */
1718void 1670void
1719rxvt_term::set_font_style () 1671rxvt_term::set_font_style ()
1720{ 1672{
1673#if 0
1721 switch (charsets[screen.charset]) 1674 switch (charsets [screen.charset])
1722 { 1675 {
1723 case '0': /* DEC Special Character & Line Drawing Set */ 1676 case '0': /* DEC Special Character & Line Drawing Set */
1724 break; 1677 break;
1725 case 'A': /* United Kingdom (UK) */ 1678 case 'A': /* United Kingdom (UK) */
1726 break; 1679 break;
… …
1733 case 'C': /* Finnish character set */ 1686 case 'C': /* Finnish character set */
1734 break; 1687 break;
1735 case 'K': /* German character set */ 1688 case 'K': /* German character set */
1736 break; 1689 break;
1737 } 1690 }
1691#endif
1738} 1692}
1739 1693
1740/* ------------------------------------------------------------------------- */ 1694/* ------------------------------------------------------------------------- */
1741/* 1695/*
1742 * Choose a font 1696 * Choose a font
… …
1782 bool found = false; 1736 bool found = false;
1783 1737
1784 for (int i = 0; i < nrow; i++) 1738 for (int i = 0; i < nrow; i++)
1785 { 1739 {
1786 int col = 0; 1740 int col = 0;
1787 rend_t *drp = drawn[i].r; 1741 rend_t *drp = drawn_buf[i].r;
1788 1742
1789 for (; col < ncol; col++, drp++) 1743 for (; col < ncol; col++, drp++)
1790 if ((*drp & mask) == value) 1744 if ((*drp & mask) == value)
1791 { 1745 {
1792 found = true; 1746 found = true;
… …
1810rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1764rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)
1811{ 1765{
1812 int i; 1766 int i;
1813 row_col_t rc[RC_COUNT]; 1767 row_col_t rc[RC_COUNT];
1814 1768
1815 if (!drawn) /* sanity check */ 1769 if (!drawn_buf) /* sanity check */
1816 return; 1770 return;
1817 1771
1818#ifndef NO_SLOW_LINK_SUPPORT 1772#ifndef NO_SLOW_LINK_SUPPORT
1819 if (refresh_type == FAST_REFRESH && !display->is_local) 1773 if (refresh_type == FAST_REFRESH && !display->is_local)
1820 { 1774 {
1821 y = 0; 1775 y = 0;
1822 eheight = height; 1776 eheight = height;
1823 } 1777 }
1824#endif
1825
1826#ifdef DEBUG_STRICT
1827 x = max (x, 0);
1828 x = min (x, (int)width);
1829 y = max (y, 0);
1830 y = min (y, (int)height);
1831#endif 1778#endif
1832 1779
1833 /* round down */ 1780 /* round down */
1834 rc[PART_BEG].col = Pixel2Col (x); 1781 rc[PART_BEG].col = Pixel2Col (x);
1835 rc[PART_BEG].row = Pixel2Row (y); 1782 rc[PART_BEG].row = Pixel2Row (y);
… …
1838 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1785 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1839 1786
1840 /* sanity checks */ 1787 /* sanity checks */
1841 for (i = PART_BEG; i < RC_COUNT; i++) 1788 for (i = PART_BEG; i < RC_COUNT; i++)
1842 { 1789 {
1843 MIN_IT (rc[i].col, ncol - 1); 1790 min_it (rc[i].col, ncol - 1);
1844 MIN_IT (rc[i].row, nrow - 1); 1791 min_it (rc[i].row, nrow - 1);
1845 } 1792 }
1846 1793
1847 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1794 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1848 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1795 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1796
1797 num_scr_allow = 0;
1849 1798
1850 if (refresh) 1799 if (refresh)
1851 scr_refresh (SLOW_REFRESH); 1800 scr_refresh ();
1852} 1801}
1853 1802
1854/* ------------------------------------------------------------------------- */ 1803/* ------------------------------------------------------------------------- */
1855/* 1804/*
1856 * Refresh the entire screen 1805 * Refresh the entire screen
… …
1864/* ------------------------------------------------------------------------- */ 1813/* ------------------------------------------------------------------------- */
1865/* 1814/*
1866 * Move the display so that the line represented by scrollbar value Y is at 1815 * Move the display so that the line represented by scrollbar value Y is at
1867 * the top of the screen 1816 * the top of the screen
1868 */ 1817 */
1869int 1818void
1870rxvt_term::scr_move_to (int y, int len) 1819rxvt_term::scr_move_to (int y, int len)
1871{ 1820{
1872 long p = 0; 1821 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1873 unsigned int oldviewstart;
1874
1875 oldviewstart = view_start;
1876
1877 if (y < len)
1878 {
1879 p = (nrow + nscrolled) * (len - y) / len;
1880 p -= (long) (nrow - 1);
1881 p = max (p, 0);
1882 }
1883
1884 view_start = (unsigned int)min (p, nscrolled);
1885
1886 return scr_changeview (oldviewstart);
1887} 1822}
1888 1823
1889/* ------------------------------------------------------------------------- */ 1824/* ------------------------------------------------------------------------- */
1890/* 1825/*
1891 * Page the screen up/down nlines 1826 * Page the screen up/down nlines
1892 * direction should be UP or DN 1827 * direction should be UP or DN
1893 */ 1828 */
1894int 1829bool
1895rxvt_term::scr_page (enum page_dirn direction, int nlines) 1830rxvt_term::scr_page (enum page_dirn direction, int nlines)
1896{ 1831{
1897 int n; 1832 int new_view_start =
1898 unsigned int oldviewstart;
1899
1900 oldviewstart = view_start;
1901
1902 if (direction == UP)
1903 {
1904 n = view_start + nlines;
1905 view_start = min (n, nscrolled);
1906 }
1907 else
1908 {
1909 n = view_start - nlines; 1833 direction == UP ? view_start - nlines
1910 view_start = max (n, 0); 1834 : view_start + nlines;
1911 }
1912 1835
1913 return scr_changeview (oldviewstart); 1836 return scr_changeview (new_view_start);
1914} 1837}
1915 1838
1916int 1839bool
1917rxvt_term::scr_changeview (unsigned int oldviewstart) 1840rxvt_term::scr_changeview (int new_view_start)
1918{ 1841{
1842 clamp_it (new_view_start, top_row, 0);
1843
1919 if (view_start != oldviewstart) 1844 if (new_view_start == view_start)
1920 { 1845 return false;
1846
1847 num_scr += new_view_start - view_start;
1848 view_start = new_view_start;
1921 want_refresh = 1; 1849 want_refresh = 1;
1922 num_scr -= (view_start - oldviewstart);
1923 }
1924 1850
1925 return (int) (view_start - oldviewstart); 1851 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1852
1853 return true;
1926} 1854}
1927 1855
1928/* ------------------------------------------------------------------------- */ 1856/* ------------------------------------------------------------------------- */
1929void 1857void
1930rxvt_term::scr_bell () 1858rxvt_term::scr_bell ()
1931{ 1859{
1932#ifndef NO_BELL 1860#ifndef NO_BELL
1933 1861
1934# ifndef NO_MAPALERT 1862# ifndef NO_MAPALERT
1935# ifdef MAPALERT_OPTION 1863# ifdef MAPALERT_OPTION
1936 if (options & Opt_mapAlert) 1864 if (OPTION (Opt_mapAlert))
1937# endif 1865# endif
1938 XMapWindow (display->display, parent[0]); 1866 XMapWindow (display->display, parent[0]);
1939# endif 1867# endif
1940 1868
1941 if (options & Opt_visualBell) 1869 if (OPTION (Opt_visualBell))
1942 { 1870 {
1943 scr_rvideo_mode (!rvideo); /* refresh also done */ 1871 scr_rvideo_mode (!rvideo); /* refresh also done */
1872 display->flush ();
1944 rxvt_usleep (VISUAL_BELL_DURATION); 1873 rxvt_usleep (VISUAL_BELL_DURATION);
1945 scr_rvideo_mode (!rvideo); /* refresh also done */ 1874 scr_rvideo_mode (!rvideo); /* refresh also done */
1946 } 1875 }
1947 else 1876 else
1948 XBell (display->display, 0); 1877 XBell (display->display, 0);
… …
1954/* ARGSUSED */ 1883/* ARGSUSED */
1955void 1884void
1956rxvt_term::scr_printscreen (int fullhist) 1885rxvt_term::scr_printscreen (int fullhist)
1957{ 1886{
1958#ifdef PRINTPIPE 1887#ifdef PRINTPIPE
1959 int i, r1, nrows, row_offset; 1888 int nrows, row_start;
1960 FILE *fd; 1889 FILE *fd;
1961 1890
1962 if ((fd = popen_printer ()) == NULL) 1891 if ((fd = popen_printer ()) == NULL)
1963 return; 1892 return;
1964 1893
1965 nrows = nrow;
1966 row_offset = saveLines;
1967
1968 if (!fullhist) 1894 if (fullhist)
1969 row_offset -= view_start; 1895 {
1896 nrows = nrow - top_row;
1897 row_start = top_row;
1898 }
1970 else 1899 else
1971 { 1900 {
1972 nrows += nscrolled; 1901 nrows = nrow;
1973 row_offset -= nscrolled; 1902 row_start = view_start;
1974 } 1903 }
1975 1904
1976 wctomb (0, 0); 1905 wctomb (0, 0);
1977 1906
1978 for (r1 = 0; r1 < nrows; r1++) 1907 for (int r1 = 0; r1 < nrows; r1++)
1979 { 1908 {
1980 text_t *tp = save[r1 + row_offset].t; 1909 text_t *tp = ROW(r1).t;
1981 int len = save[r1 + row_offset].l; 1910 int len = ROW(r1).l;
1982 1911
1983 for (i = len >= 0 ? len : ncol - 1; i--; ) 1912 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1984 { 1913 {
1985 char mb[MB_LEN_MAX]; 1914 char mb[MB_LEN_MAX];
1986 text_t t = *tp++; 1915 text_t t = *tp++;
1987 if (t == NOCHAR) 1916 if (t == NOCHAR)
1988 continue; 1917 continue;
… …
2010 * Refresh the screen 1939 * Refresh the screen
2011 * drawn_text/drawn_rend contain the screen information before the update. 1940 * drawn_text/drawn_rend contain the screen information before the update.
2012 * screen.text/screen.rend contain what the screen will change to. 1941 * screen.text/screen.rend contain what the screen will change to.
2013 */ 1942 */
2014void 1943void
2015rxvt_term::scr_refresh (unsigned char refresh_type) 1944rxvt_term::scr_refresh ()
2016{ 1945{
2017 unsigned char must_clear, /* use draw_string not draw_image_string */ 1946 unsigned char must_clear, /* use draw_string not draw_image_string */
2018 showcursor; /* show the cursor */ 1947 showcursor; /* show the cursor */
2019 int16_t col, row, /* column/row we're processing */ 1948 int16_t col, row, /* column/row we're processing */
2020 ocrow; /* old cursor row */ 1949 ocrow; /* old cursor row */
2021 int i, /* tmp */ 1950 int i; /* tmp */
2022 row_offset; /* basic offset in screen structure */
2023#ifndef NO_CURSORCOLOR 1951#ifndef NO_CURSORCOLOR
2024 rend_t cc1; /* store colours at cursor position (s) */ 1952 rend_t cc1; /* store colours at cursor position (s) */
2025#endif 1953#endif
2026 rend_t *crp; // cursor rendition pointer 1954 rend_t *crp; // cursor rendition pointer
2027 1955
… …
2034 * A: set up vars 1962 * A: set up vars
2035 */ 1963 */
2036 must_clear = 0; 1964 must_clear = 0;
2037 refresh_count = 0; 1965 refresh_count = 0;
2038 1966
2039 row_offset = saveLines - view_start;
2040
2041#if XPM_BACKGROUND 1967#if XPM_BACKGROUND
2042 must_clear |= bgPixmap.pixmap != None; 1968 must_clear |= bgPixmap.pixmap != None;
2043#endif 1969#endif
2044#if TRANSPARENT 1970#if TRANSPARENT
2045 must_clear |= (options & Opt_transparent) && am_transparent; 1971 must_clear |= OPTION (Opt_transparent) && am_transparent;
2046#endif 1972#endif
2047 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1973 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2048 1974
2049 /* 1975 /*
2050 * B: reverse any characters which are selected 1976 * B: reverse any characters which are selected
… …
2067 1993
2068 if (showcursor) 1994 if (showcursor)
2069 { 1995 {
2070 int col = screen.cur.col; 1996 int col = screen.cur.col;
2071 1997
2072 while (col && screen.line[screen.cur.row]->t[col] == NOCHAR) 1998 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2073 col--; 1999 col--;
2074 2000
2075 crp = &screen.line[screen.cur.row]->r[col]; 2001 crp = &ROW(screen.cur.row).r[col];
2076 2002
2077 if (showcursor && focus) 2003 if (showcursor && focus)
2078 { 2004 {
2079 if (options & Opt_cursorUnderline) 2005 if (OPTION (Opt_cursorUnderline))
2080 *crp ^= RS_Uline; 2006 *crp ^= RS_Uline;
2081 else 2007 else
2082 { 2008 {
2083 *crp ^= RS_RVid; 2009 *crp ^= RS_RVid;
2084 2010
… …
2086 cc1 = *crp & (RS_fgMask | RS_bgMask); 2012 cc1 = *crp & (RS_fgMask | RS_bgMask);
2087 if (ISSET_PIXCOLOR (Color_cursor)) 2013 if (ISSET_PIXCOLOR (Color_cursor))
2088 ccol1 = Color_cursor; 2014 ccol1 = Color_cursor;
2089 else 2015 else
2090#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2016#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2091 ccol1 = GET_FGCOLOR (rstyle); 2017 ccol1 = fgcolor_of (rstyle);
2092#else 2018#else
2093 ccol1 = Color_fg; 2019 ccol1 = Color_fg;
2094#endif 2020#endif
2095 if (ISSET_PIXCOLOR (Color_cursor2)) 2021 if (ISSET_PIXCOLOR (Color_cursor2))
2096 ccol2 = Color_cursor2; 2022 ccol2 = Color_cursor2;
2097 else 2023 else
2098#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2024#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2099 ccol2 = GET_BGCOLOR (rstyle); 2025 ccol2 = bgcolor_of (rstyle);
2100#else 2026#else
2101 ccol2 = Color_bg; 2027 ccol2 = Color_bg;
2102#endif 2028#endif
2103 *crp = SET_FGCOLOR (*crp, ccol1); 2029 *crp = SET_FGCOLOR (*crp, ccol1);
2104 *crp = SET_BGCOLOR (*crp, ccol2); 2030 *crp = SET_BGCOLOR (*crp, ccol2);
… …
2109 2035
2110 /* make sure no outline cursor is left around */ 2036 /* make sure no outline cursor is left around */
2111 setoldcursor = 0; 2037 setoldcursor = 0;
2112 if (ocrow != -1) 2038 if (ocrow != -1)
2113 { 2039 {
2114 if (screen.cur.row + view_start != ocrow 2040 if (screen.cur.row - view_start != ocrow
2115 || screen.cur.col != oldcursor.col) 2041 || screen.cur.col != oldcursor.col)
2116 { 2042 {
2117 if (ocrow < nrow 2043 if (ocrow < nrow
2118 && oldcursor.col < ncol) 2044 && oldcursor.col < ncol)
2119 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2045 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2120 2046
2121 if (focus || !showcursor) 2047 if (focus || !showcursor)
2122 oldcursor.row = -1; 2048 oldcursor.row = -1;
2123 else 2049 else
2124 setoldcursor = 1; 2050 setoldcursor = 1;
… …
2127 else if (!focus) 2053 else if (!focus)
2128 setoldcursor = 1; 2054 setoldcursor = 1;
2129 2055
2130 if (setoldcursor) 2056 if (setoldcursor)
2131 { 2057 {
2132 if (screen.cur.row + view_start >= nrow) 2058 if (screen.cur.row - view_start >= nrow)
2133 oldcursor.row = -1; 2059 oldcursor.row = -1;
2134 else 2060 else
2135 { 2061 {
2136 oldcursor.row = screen.cur.row + view_start; 2062 oldcursor.row = screen.cur.row - view_start;
2137 oldcursor.col = screen.cur.col; 2063 oldcursor.col = screen.cur.col;
2138 } 2064 }
2139 } 2065 }
2140 } 2066 }
2141 2067
2068 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2142#if ENABLE_OVERLAY 2069#if ENABLE_OVERLAY
2143 scr_swap_overlay (); 2070 scr_swap_overlay ();
2144#endif 2071#endif
2145 2072
2146#ifndef NO_SLOW_LINK_SUPPORT 2073#ifndef NO_SLOW_LINK_SUPPORT
2147 /* 2074 /*
2148 * D: CopyArea pass - very useful for slower links 2075 * D: CopyArea pass - very useful for slower links
2149 * This has been deliberately kept simple. 2076 * This has been deliberately kept simple.
2150 */ 2077 */
2151 i = num_scr;
2152 if (!display->is_local 2078 if (!display->is_local
2153 && refresh_type == FAST_REFRESH && num_scr_allow && i 2079 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2154 && abs (i) < nrow && !must_clear) 2080 && abs (num_scr) < nrow && !must_clear)
2155 { 2081 {
2156 int16_t nits; 2082 int16_t nits;
2157 int j; 2083 int j;
2158 int len, wlen; 2084 int len, wlen;
2085 dLocal (int, num_scr);
2159 2086
2160 j = nrow; 2087 j = nrow;
2161 wlen = len = -1; 2088 wlen = len = -1;
2162 row = i > 0 ? 0 : j - 1; 2089 row = i > 0 ? 0 : j - 1;
2163 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2090 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2164 { 2091 {
2165 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2092 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2166 { 2093 {
2167 line_t s = save[row + row_offset]; 2094 line_t s = ROW(view_start + row);
2168 line_t d = drawn[row]; 2095 line_t d = drawn_buf[row];
2169 line_t d2 = drawn[row + i]; 2096 line_t d2 = drawn_buf[row + i];
2170 2097
2171 for (nits = 0, col = ncol; col--; ) 2098 for (nits = 0, col = ncol; col--; )
2172 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2099 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2173 nits--; 2100 nits--;
2174 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2101 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
… …
2192 2119
2193 if (len != -1) 2120 if (len != -1)
2194 { 2121 {
2195 /* also comes here at end if needed because of >= above */ 2122 /* also comes here at end if needed because of >= above */
2196 if (wlen < len) 2123 if (wlen < len)
2197 SWAP_IT (wlen, len, int); 2124 ::swap (wlen, len);
2198 2125
2199 XCopyArea (display->display, vt, vt, 2126 XCopyArea (display->display, vt, vt,
2200 gc, 0, Row2Pixel (len + i), 2127 gc, 0, Row2Pixel (len + i),
2201 (unsigned int)TermWin_TotalWidth (), 2128 (unsigned int)this->width,
2202 (unsigned int)Height2Pixel (wlen - len + 1), 2129 (unsigned int)Height2Pixel (wlen - len + 1),
2203 0, Row2Pixel (len)); 2130 0, Row2Pixel (len));
2204 len = -1; 2131 len = -1;
2205 } 2132 }
2206 } 2133 }
… …
2210 /* 2137 /*
2211 * E: main pass across every character 2138 * E: main pass across every character
2212 */ 2139 */
2213 for (row = 0; row < nrow; row++) 2140 for (row = 0; row < nrow; row++)
2214 { 2141 {
2215 text_t *stp = save[row + row_offset].t; 2142 text_t *stp = ROW(view_start + row).t;
2216 rend_t *srp = save[row + row_offset].r; 2143 rend_t *srp = ROW(view_start + row).r;
2217 text_t *dtp = drawn[row].t; 2144 text_t *dtp = drawn_buf[row].t;
2218 rend_t *drp = drawn[row].r; 2145 rend_t *drp = drawn_buf[row].r;
2219 2146
2220 /* 2147 /*
2221 * E2: OK, now the real pass 2148 * E2: OK, now the real pass
2222 */ 2149 */
2223 int ypixel = (int)Row2Pixel (row); 2150 int ypixel = (int)Row2Pixel (row);
… …
2285 count++, i--; 2212 count++, i--;
2286 2213
2287 /* 2214 /*
2288 * Determine the attributes for the string 2215 * Determine the attributes for the string
2289 */ 2216 */
2290 int fore = GET_FGCOLOR (rend); // desired foreground 2217 int fore = fgcolor_of (rend); // desired foreground
2291 int back = GET_BGCOLOR (rend); // desired background 2218 int back = bgcolor_of (rend); // desired background
2292 2219
2293 // only do special processing if any attributes are set, which is rare 2220 // only do special processing if any attributes are set, which is unlikely
2294 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2221 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2295 { 2222 {
2296#if ENABLE_STYLES 2223#if ENABLE_STYLES
2297 // force redraw after "careful" characters to avoid pixel droppings 2224 // force redraw after "careful" characters to avoid pixel droppings
2298 if (srp[col] & RS_Careful && col < ncol - 1 && 0) 2225 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
… …
2334 fore = Color_UL; 2261 fore = Color_UL;
2335#endif 2262#endif
2336 2263
2337 if (invert) 2264 if (invert)
2338 { 2265 {
2339 SWAP_IT (fore, back, int); 2266 ::swap (fore, back);
2340 2267
2341#ifndef NO_BOLD_UNDERLINE_REVERSE 2268#ifndef NO_BOLD_UNDERLINE_REVERSE
2342 if (ISSET_PIXCOLOR (Color_RV)) 2269 if (ISSET_PIXCOLOR (Color_RV))
2343 back = Color_RV; 2270 back = Color_RV;
2344 2271
… …
2409 } /* for (row....) */ 2336 } /* for (row....) */
2410 2337
2411#if ENABLE_OVERLAY 2338#if ENABLE_OVERLAY
2412 scr_swap_overlay (); 2339 scr_swap_overlay ();
2413#endif 2340#endif
2341 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2414 2342
2415 /* 2343 /*
2416 * G: cleanup cursor and display outline cursor if necessary 2344 * G: cleanup cursor and display outline cursor if necessary
2417 */ 2345 */
2418 if (showcursor) 2346 if (showcursor)
2419 { 2347 {
2420 if (focus) 2348 if (focus)
2421 { 2349 {
2422 if (options & Opt_cursorUnderline) 2350 if (OPTION (Opt_cursorUnderline))
2423 *crp ^= RS_Uline; 2351 *crp ^= RS_Uline;
2424 else 2352 else
2425 { 2353 {
2426 *crp ^= RS_RVid; 2354 *crp ^= RS_RVid;
2427#ifndef NO_CURSORCOLOR 2355#ifndef NO_CURSORCOLOR
… …
2432 else if (oldcursor.row >= 0) 2360 else if (oldcursor.row >= 0)
2433 { 2361 {
2434 int cursorwidth = 1; 2362 int cursorwidth = 1;
2435 int col = oldcursor.col; 2363 int col = oldcursor.col;
2436 2364
2437 while (col && save[screen.cur.row + saveLines].t[col] == NOCHAR) 2365 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2438 col--; 2366 col--;
2439 2367
2440 while (col + cursorwidth < ncol 2368 while (col + cursorwidth < ncol
2441 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2369 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2442 cursorwidth++; 2370 cursorwidth++;
2443 2371
2444#ifndef NO_CURSORCOLOR 2372#ifndef NO_CURSORCOLOR
2445 if (ISSET_PIXCOLOR (Color_cursor)) 2373 if (ISSET_PIXCOLOR (Color_cursor))
2446 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2374 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
… …
2457 /* 2385 /*
2458 * H: cleanup selection 2386 * H: cleanup selection
2459 */ 2387 */
2460 scr_reverse_selection (); 2388 scr_reverse_selection ();
2461 2389
2462 if (refresh_type & SMOOTH_REFRESH)
2463 XFlush (display->display);
2464
2465 num_scr = 0; 2390 num_scr = 0;
2466 num_scr_allow = 1; 2391 num_scr_allow = 1;
2467} 2392}
2468 2393
2469void 2394void
2470rxvt_term::scr_remap_chars (const line_t &l) 2395rxvt_term::scr_remap_chars (line_t &l)
2471{ 2396{
2472 if (!l.t) 2397 if (!l.t)
2473 return; 2398 return;
2474 2399
2400 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2401
2475 for (int i = ncol; i--; ) 2402 for (int i = ncol; i--; )
2476 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2403 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2477} 2404}
2478 2405
2479void 2406void
2480rxvt_term::scr_remap_chars () 2407rxvt_term::scr_remap_chars ()
2481{ 2408{
2482 for (int i = nrow + saveLines; i--; ) 2409 for (int i = total_rows; i--; )
2483 scr_remap_chars (save[i]); 2410 scr_remap_chars (row_buf [i]);
2484 2411
2485 for (int i = nrow; i--; ) 2412 for (int i = nrow; i--; )
2486 { 2413 {
2487 scr_remap_chars (drawn[i]); 2414 scr_remap_chars (drawn_buf [i]);
2488 scr_remap_chars (swap_save[i]); 2415 scr_remap_chars (swap_buf [i]);
2489 } 2416 }
2490} 2417}
2491 2418
2492void 2419void
2493rxvt_term::scr_recolour () 2420rxvt_term::scr_recolour ()
… …
2531 2458
2532 if (really) 2459 if (really)
2533 XClearWindow (display->display, vt); 2460 XClearWindow (display->display, vt);
2534} 2461}
2535 2462
2463void
2464rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
2465{
2466 int view_end = view_start + nrow;
2467 int row, col;
2468
2469 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2470 {
2471 text_t *stp = ROW(row).t;
2472 rend_t *srp = ROW(row).r;
2473
2474 for (col = beg_col; col < end_col; col++)
2475 srp[col] ^= rstyle1;
2476
2477 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2478 srp[col] ^= rstyle2;
2479
2480 if (++col < end_col)
2481 srp[col] ^= rstyle2;
2482 }
2483}
2484
2485void
2486rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
2487{
2488 int view_end = view_start + nrow;
2489 int row, col;
2490
2491 if (beg_row >= view_start)
2492 {
2493 col = beg_col;
2494 row = beg_row;
2495 }
2496 else
2497 {
2498 col = 0;
2499 row = view_start;
2500 }
2501
2502 for (; row < min (end_row, view_end); row++, col = 0)
2503 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2504 srp[col] ^= rstyle;
2505
2506 if (row == end_row)
2507 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2508 srp[col] ^= rstyle;
2509}
2510
2536/* ------------------------------------------------------------------------- */ 2511/* ------------------------------------------------------------------------- */
2537void 2512void
2538rxvt_term::scr_reverse_selection () 2513rxvt_term::scr_reverse_selection ()
2539{ 2514{
2515 if (selection.op
2540 if (selection.op && current_screen == selection.screen) 2516 && current_screen == selection.screen
2517 && selection.end.row >= view_start)
2541 { 2518 {
2542 int end_row = saveLines - view_start;
2543 int i = selection.beg.row + saveLines;
2544 int col, row = selection.end.row + saveLines;
2545 rend_t *srp;
2546
2547#if ENABLE_FRILLS 2519#if ENABLE_FRILLS
2548 if (selection.rect) 2520 if (selection.rect)
2549 { 2521 scr_xor_rect (selection.beg.row, selection.beg.col,
2550 end_row += nrow; 2522 selection.end.row, selection.end.col,
2551 2523 RS_RVid, RS_RVid | RS_Uline);
2552 for (; i <= row && i <= end_row; i++)
2553 for (srp = save[i].r, col = selection.beg.col; col < selection.end.col; col++)
2554 srp[col] ^= RS_RVid;
2555 }
2556 else 2524 else
2557#endif 2525#endif
2558 { 2526 scr_xor_span (selection.beg.row, selection.beg.col,
2559 if (i >= end_row) 2527 selection.end.row, selection.end.col,
2560 col = selection.beg.col; 2528 RS_RVid);
2561 else
2562 {
2563 col = 0;
2564 i = end_row;
2565 }
2566
2567 end_row += nrow;
2568
2569 for (; i < row && i < end_row; i++, col = 0)
2570 for (srp = save[i].r; col < ncol; col++)
2571 srp[col] ^= RS_RVid;
2572
2573 if (i == row && i < end_row)
2574 for (srp = save[i].r; col < selection.end.col; col++)
2575 srp[col] ^= RS_RVid;
2576 }
2577 } 2529 }
2578} 2530}
2579 2531
2580/* ------------------------------------------------------------------------- */ 2532/* ------------------------------------------------------------------------- */
2581/* 2533/*
… …
2588{ 2540{
2589 int row, wrote; 2541 int row, wrote;
2590 unsigned int width, towrite; 2542 unsigned int width, towrite;
2591 char r1[] = "\n"; 2543 char r1[] = "\n";
2592 2544
2593 for (row = saveLines - nscrolled; 2545 for (row = saveLines - nsaved;
2594 row < saveLines + nrow - 1; row++) 2546 row < saveLines + nrow - 1; row++)
2595 { 2547 {
2596 width = save[row].l >= 0 ? save[row].l 2548 width = row_buf[row].l >= 0 ? row_buf[row].l
2597 : ncol; 2549 : ncol;
2598 for (towrite = width; towrite; towrite -= wrote) 2550 for (towrite = width; towrite; towrite -= wrote)
2599 { 2551 {
2600 wrote = write (fd, & (save[row].t[width - towrite]), 2552 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2601 towrite); 2553 towrite);
2602 if (wrote < 0) 2554 if (wrote < 0)
2603 return; /* XXX: death, no report */ 2555 return; /* XXX: death, no report */
2604 } 2556 }
2605 if (save[row].l >= 0) 2557 if (row_buf[row].l >= 0)
2606 if (write (fd, r1, 1) <= 0) 2558 if (write (fd, r1, 1) <= 0)
2607 return; /* XXX: death, no report */ 2559 return; /* XXX: death, no report */
2608 } 2560 }
2609} 2561}
2610#endif 2562#endif
2611 2563
2612/* ------------------------------------------------------------------------- * 2564/* ------------------------------------------------------------------------- *
2613 * CHARACTER SELECTION * 2565 * CHARACTER SELECTION *
2614 * ------------------------------------------------------------------------- */ 2566 * ------------------------------------------------------------------------- */
2615
2616/*
2617 * -nscrolled <= (selection row) <= nrow - 1
2618 */
2619void 2567void
2620rxvt_term::selection_check (int check_more) 2568rxvt_term::selection_check (int check_more)
2621{ 2569{
2622 row_col_t pos; 2570 row_col_t pos;
2623 2571
2624 if (!selection.op) 2572 if (!selection.op)
2625 return; 2573 return;
2626 2574
2627 pos.row = pos.col = 0; 2575 pos.row = pos.col = 0;
2628 if ((selection.beg.row < - (int32_t)nscrolled) 2576 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2629 || (selection.beg.row >= nrow) 2577 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2630 || (selection.mark.row < - (int32_t)nscrolled) 2578 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2631 || (selection.mark.row >= nrow)
2632 || (selection.end.row < - (int32_t)nscrolled)
2633 || (selection.end.row >= nrow)
2634 || (check_more == 1 2579 || (check_more == 1
2635 && current_screen == selection.screen 2580 && current_screen == selection.screen
2636 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2581 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2637 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2582 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2638 || (check_more == 2 2583 || (check_more == 2
… …
2649/* ------------------------------------------------------------------------- */ 2594/* ------------------------------------------------------------------------- */
2650/* 2595/*
2651 * Paste a selection direct to the command fd 2596 * Paste a selection direct to the command fd
2652 */ 2597 */
2653void 2598void
2654rxvt_term::paste (unsigned char *data, unsigned int len) 2599rxvt_term::paste (char *data, unsigned int len)
2655{ 2600{
2656 /* convert normal newline chars into common keyboard Return key sequence */ 2601 /* convert normal newline chars into common keyboard Return key sequence */
2657 for (unsigned int i = 0; i < len; i++) 2602 for (unsigned int i = 0; i < len; i++)
2658 if (data[i] == C0_LF) 2603 if (data[i] == C0_LF)
2659 data[i] = C0_CR; 2604 data[i] = C0_CR;
… …
2803 { 2748 {
2804 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2749 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2805 char *s = rxvt_wcstombs (w); 2750 char *s = rxvt_wcstombs (w);
2806 free (w); 2751 free (w);
2807 // TODO: strlen == only the first element will be converted. well... 2752 // TODO: strlen == only the first element will be converted. well...
2808 paste ((unsigned char *)s, strlen (s)); 2753 paste (s, strlen (s));
2809 free (s); 2754 free (s);
2810 } 2755 }
2811 else 2756 else
2812#endif 2757#endif
2813 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2758 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2814 && cl) 2759 && cl)
2815 { 2760 {
2816 for (int i = 0; i < cr; i++) 2761 for (int i = 0; i < cr; i++)
2817 paste ((unsigned char *)cl[i], strlen (cl[i])); 2762 paste (cl[i], strlen (cl[i]));
2818 2763
2819 XFreeStringList (cl); 2764 XFreeStringList (cl);
2820 } 2765 }
2821 else 2766 else
2822 paste (ct.value, ct.nitems); // paste raw 2767 paste ((char *)ct.value, ct.nitems); // paste raw
2823 2768
2824bailout: 2769bailout:
2825 XFree (ct.value); 2770 XFree (ct.value);
2826 2771
2827 if (selection_wait == Sel_normal) 2772 if (selection_wait == Sel_normal)
… …
2857 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2802 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2858 * will auto fallback to CUT_BUFFER0 2803 * will auto fallback to CUT_BUFFER0
2859 * EXT: button 2 release 2804 * EXT: button 2 release
2860 */ 2805 */
2861void 2806void
2862rxvt_term::selection_request (Time tm, int x, int y) 2807rxvt_term::selection_request (Time tm, int selnum)
2863{ 2808{
2864 if (x < 0 || x >= width || y < 0 || y >= height) 2809/* After making a selection with selection_make this function will always
2865 return; /* outside window */ 2810 * return the internal selection, which is not correct IMO, now much more since
2866 2811 * I added the selnum parameter.
2812 */
2813#if 0
2867 if (selection.text) 2814 if (selection.text)
2868 { /* internal selection */ 2815 { /* internal selection */
2869 char *str = rxvt_wcstombs (selection.text, selection.len); 2816 char *str = rxvt_wcstombs (selection.text, selection.len);
2870 paste ((unsigned char *)str, strlen (str)); 2817 paste (str, strlen (str));
2871 free (str); 2818 free (str);
2872 return; 2819 return;
2873 } 2820 }
2874 else 2821 else
2822#endif
2875 { 2823 {
2876 int i;
2877
2878 selection_request_time = tm; 2824 selection_request_time = tm;
2879 selection_wait = Sel_normal; 2825 selection_wait = Sel_normal;
2880 2826
2881 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2882 {
2883#if X_HAVE_UTF8_STRING 2827#if X_HAVE_UTF8_STRING
2884 selection_type = Sel_UTF8String; 2828 selection_type = Sel_UTF8String;
2885 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2829 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2886 return; 2830 return;
2887#else 2831#else
2888 selection_type = Sel_CompoundText; 2832 selection_type = Sel_CompoundText;
2889 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2833 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2890 return; 2834 return;
2891#endif 2835#endif
2892 }
2893 } 2836 }
2894 2837
2895 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2838 selection_wait = Sel_none; /* don't loop in selection_paste () */
2896 selection_paste (display->root, XA_CUT_BUFFER0, false); 2839 selection_paste (display->root, XA_CUT_BUFFER0, false);
2897} 2840}
… …
2944 * EXT: button 1 or 3 release 2887 * EXT: button 1 or 3 release
2945 */ 2888 */
2946void 2889void
2947rxvt_term::selection_make (Time tm) 2890rxvt_term::selection_make (Time tm)
2948{ 2891{
2949 int i, col, end_col, row, end_row; 2892 int i;
2950 wchar_t *new_selection_text; 2893 wchar_t *new_selection_text;
2951 text_t *t; 2894 text_t *t;
2952 2895
2953 switch (selection.op) 2896 switch (selection.op)
2954 { 2897 {
… …
2967 selection.op = SELECTION_DONE; 2910 selection.op = SELECTION_DONE;
2968 2911
2969 if (selection.clicks == 4) 2912 if (selection.clicks == 4)
2970 return; /* nothing selected, go away */ 2913 return; /* nothing selected, go away */
2971 2914
2915 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2916 return;
2917
2972 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2918 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2973 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2919 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2974 2920
2975 col = selection.beg.col;
2976 row = selection.beg.row + saveLines;
2977 end_row = selection.end.row + saveLines;
2978 int ofs = 0; 2921 int ofs = 0;
2979 int extra = 0; 2922 int extra = 0;
2980 2923
2924 int col = selection.beg.col;
2925 int row = selection.beg.row;
2926
2927 int end_col;
2928
2981 for (; row <= end_row; row++, col = 0) 2929 for (; row <= selection.end.row; row++, col = 0)
2982 { 2930 {
2983 end_col = save[row].l;
2984
2985#if ENABLE_FRILLS 2931#if ENABLE_FRILLS
2986 if (selection.rect) 2932 if (selection.rect)
2987 { 2933 {
2988 col = selection.beg.col; 2934 col = selection.beg.col;
2989 end_col = ncol + 1; 2935 end_col = ncol + 1;
2990 } 2936 }
2937 else
2991#endif 2938#endif
2992
2993 MAX_IT (col, 0);
2994
2995 if (end_col == -1)
2996 end_col = ncol; 2939 end_col = ROW(row).l;
2997 2940
2998 if (row == end_row || selection.rect) 2941 col = max (col, 0);
2942
2943 if (row == selection.end.row
2944#if ENABLE_FRILLS
2945 || selection.rect
2946#endif
2947 )
2999 MIN_IT (end_col, selection.end.col); 2948 min_it (end_col, selection.end.col);
3000 2949
3001 t = &save[row].t[col]; 2950 t = ROW(row).t + col;
2951
3002 for (; col < end_col; col++) 2952 for (; col < end_col; col++)
3003 { 2953 {
3004 if (*t == NOCHAR) 2954 if (*t == NOCHAR)
3005 t++; 2955 t++;
3006#if ENABLE_COMBINING 2956#if ENABLE_COMBINING
… …
3022#endif 2972#endif
3023 else 2973 else
3024 new_selection_text[ofs++] = *t++; 2974 new_selection_text[ofs++] = *t++;
3025 } 2975 }
3026 2976
3027 if (save[row].l != -1 && row != end_row) 2977#if ENABLE_FRILLS
2978 if (selection.rect)
2979 {
2980 while (ofs
2981 && new_selection_text[ofs - 1] != C0_LF
2982 && unicode::is_space (new_selection_text[ofs - 1]))
2983 --ofs;
2984
3028 new_selection_text[ofs++] = C0_LF; 2985 new_selection_text[ofs++] = C0_LF;
2986 }
2987 else
2988#endif
2989 if (!ROW(row).is_longer () && row != selection.end.row)
2990 new_selection_text[ofs++] = C0_LF;
3029 } 2991 }
3030 2992
3031 if (end_col != selection.end.col) 2993 if (end_col != selection.end.col)
3032 new_selection_text[ofs++] = C0_LF; 2994 new_selection_text[ofs++] = C0_LF;
3033 2995
… …
3043 3005
3044 // we usually allocate much more than necessary, so realloc it smaller again 3006 // we usually allocate much more than necessary, so realloc it smaller again
3045 selection.len = ofs; 3007 selection.len = ofs;
3046 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3008 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3047 3009
3010 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3011 return;
3012
3013 selection_grab (tm);
3014}
3015
3016bool
3017rxvt_term::selection_grab (Time tm)
3018{
3019 selection_time = tm;
3020
3048 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3021 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
3049 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3022 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3023 {
3050 display->set_selection_owner (this); 3024 display->set_selection_owner (this);
3025 return true;
3026 }
3051 else 3027 else
3052 rxvt_warn ("can't get primary selection, ignoring.\n"); 3028 {
3029 selection_clear ();
3030 return false;
3031 }
3053 3032
3054#if 0 3033#if 0
3055 XTextProperty ct; 3034 XTextProperty ct;
3056 3035
3057 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3036 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
3058 { 3037 {
3059 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3038 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
3060 XFree (ct.value); 3039 XFree (ct.value);
3061 } 3040 }
3062#endif 3041#endif
3063
3064 selection_time = tm;
3065} 3042}
3066 3043
3067/* ------------------------------------------------------------------------- */ 3044/* ------------------------------------------------------------------------- */
3068/* 3045/*
3069 * Mark or select text based upon number of clicks: 1, 2, or 3 3046 * Mark or select text based upon number of clicks: 1, 2, or 3
… …
3073rxvt_term::selection_click (int clicks, int x, int y) 3050rxvt_term::selection_click (int clicks, int x, int y)
3074{ 3051{
3075 clicks = ((clicks - 1) % 3) + 1; 3052 clicks = ((clicks - 1) % 3) + 1;
3076 selection.clicks = clicks; /* save clicks so extend will work */ 3053 selection.clicks = clicks; /* save clicks so extend will work */
3077 3054
3055 if (clicks == 2 && !selection.rect
3056 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3057 {
3058 MEvent.clicks = 1; // what a mess
3059 selection.screen = current_screen;
3060 selection.op = SELECTION_CONT;
3061 return;
3062 }
3063
3078 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3064 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3079 3065
3080 if (clicks == 2 || clicks == 3) 3066 if (clicks == 2 || clicks == 3)
3081 selection_extend_colrow (selection.mark.col, 3067 selection_extend_colrow (selection.mark.col,
3082 selection.mark.row + view_start, 3068 selection.mark.row - view_start,
3083 0, /* button 3 */ 3069 0, /* button 3 */
3084 1, /* button press */ 3070 1, /* button press */
3085 0); /* click change */ 3071 0); /* click change */
3086} 3072}
3087 3073
… …
3091 */ 3077 */
3092void 3078void
3093rxvt_term::selection_start_colrow (int col, int row) 3079rxvt_term::selection_start_colrow (int col, int row)
3094{ 3080{
3095 want_refresh = 1; 3081 want_refresh = 1;
3082
3083 selection.mark.row = row + view_start;
3096 selection.mark.col = col; 3084 selection.mark.col = col;
3097 selection.mark.row = row - view_start;
3098 3085
3099 MAX_IT (selection.mark.row, - (int32_t)nscrolled); 3086 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3100 MIN_IT (selection.mark.row, (int32_t)nrow - 1); 3087 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3101 MAX_IT (selection.mark.col, 0);
3102 MIN_IT (selection.mark.col, (int32_t)ncol - 1);
3103 3088
3104 while (selection.mark.col > 0 3089 while (selection.mark.col > 0
3105 && save[selection.mark.row + saveLines].t[selection.mark.col] == NOCHAR) 3090 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3106 --selection.mark.col; 3091 --selection.mark.col;
3107 3092
3108 if (selection.op) 3093 if (selection.op)
3109 { /* clear the old selection */ 3094 { /* clear the old selection */
3110 selection.beg.row = selection.end.row = selection.mark.row; 3095 selection.beg.row = selection.end.row = selection.mark.row;
… …
3134 text_t *stp; 3119 text_t *stp;
3135 rend_t *srp; 3120 rend_t *srp;
3136 3121
3137 if (dirn == UP) 3122 if (dirn == UP)
3138 { 3123 {
3139 bound.row = saveLines - nscrolled - 1; 3124 bound.row = top_row - 1;
3140 bound.col = 0; 3125 bound.col = 0;
3141 dirnadd = -1; 3126 dirnadd = -1;
3142 } 3127 }
3143 else 3128 else
3144 { 3129 {
3145 bound.row = saveLines + nrow; 3130 bound.row = nrow;
3146 bound.col = ncol - 1; 3131 bound.col = ncol - 1;
3147 dirnadd = 1; 3132 dirnadd = 1;
3148 } 3133 }
3149 3134
3150 row = mark->row + saveLines; 3135 row = mark->row;
3151 col = mark->col; 3136 col = max (mark->col, 0);
3152 MAX_IT (col, 0); 3137
3153 /* find the edge of a word */ 3138 /* find the edge of a word */
3154 stp = &save[row].t[col]; 3139 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
3155 w1 = DELIMIT_TEXT (*stp); 3140 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
3156
3157 srp = &save[row].r[col];
3158 w2 = DELIMIT_REND (*srp);
3159 3141
3160 for (;;) 3142 for (;;)
3161 { 3143 {
3162 for (; col != bound.col; col += dirnadd) 3144 for (; col != bound.col; col += dirnadd)
3163 { 3145 {
… …
3173 break; 3155 break;
3174 } 3156 }
3175 3157
3176 if ((col == bound.col) && (row != bound.row)) 3158 if ((col == bound.col) && (row != bound.row))
3177 { 3159 {
3178 if (save[ (row - (dirn == UP ? 1 : 0))].l == -1) 3160 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3179 { 3161 {
3180 trow = row + dirnadd; 3162 trow = row + dirnadd;
3181 tcol = dirn == UP ? ncol - 1 : 0; 3163 tcol = dirn == UP ? ncol - 1 : 0;
3182 3164
3183 if (save[trow].t == NULL) 3165 if (!ROW(trow).t)
3184 break; 3166 break;
3185 3167
3186 stp = & (save[trow].t[tcol]); 3168 stp = ROW(trow).t + tcol;
3187 srp = & (save[trow].r[tcol]); 3169 srp = ROW(trow).r + tcol;
3188 3170
3189 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) 3171 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3190 break; 3172 break;
3191 3173
3192 row = trow; 3174 row = trow;
… …
3195 } 3177 }
3196 } 3178 }
3197 break; 3179 break;
3198 } 3180 }
3199 3181
3200Old_Word_Selection_You_Die:
3201 if (dirn == DN) 3182 if (dirn == DN)
3202 col++; /* put us on one past the end */ 3183 col++; /* put us on one past the end */
3203 3184
3204 /* Poke the values back in */ 3185 /* Poke the values back in */
3205 ret->row = row - saveLines; 3186 ret->row = row;
3206 ret->col = col; 3187 ret->col = col;
3207} 3188}
3208 3189
3209/* ------------------------------------------------------------------------- */ 3190/* ------------------------------------------------------------------------- */
3210/* 3191/*
… …
3215 * flag == 2 ==> button 3 motion 3196 * flag == 2 ==> button 3 motion
3216 */ 3197 */
3217void 3198void
3218rxvt_term::selection_extend (int x, int y, int flag) 3199rxvt_term::selection_extend (int x, int y, int flag)
3219{ 3200{
3220 int col, row; 3201 int col = clamp (Pixel2Col (x), 0, ncol);
3221 3202 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3222 col = Pixel2Col (x);
3223 row = Pixel2Row (y);
3224 MAX_IT (row, 0);
3225 MIN_IT (row, (int)nrow - 1);
3226 MAX_IT (col, 0);
3227 MIN_IT (col, (int)ncol);
3228 3203
3229 /* 3204 /*
3230 * If we're selecting characters (single click) then we must check first 3205 * If we're selecting characters (single click) then we must check first
3231 * if we are at the same place as the original mark. If we are then 3206 * if we are at the same place as the original mark. If we are then
3232 * select nothing. Otherwise, if we're to the right of the mark, you have to 3207 * select nothing. Otherwise, if we're to the right of the mark, you have to
3233 * be _past_ a character for it to be selected. 3208 * be _past_ a character for it to be selected.
3234 */ 3209 */
3235 if (((selection.clicks % 3) == 1) && !flag 3210 if (((selection.clicks % 3) == 1) && !flag
3236 && (col == selection.mark.col 3211 && (col == selection.mark.col
3237 && (row == selection.mark.row + view_start))) 3212 && (row == selection.mark.row - view_start)))
3238 { 3213 {
3239 /* select nothing */ 3214 /* select nothing */
3240 selection.beg.row = selection.end.row = 0; 3215 selection.beg.row = selection.end.row = 0;
3241 selection.beg.col = selection.end.col = 0; 3216 selection.beg.col = selection.end.col = 0;
3242 selection.clicks = 4; 3217 selection.clicks = 4;
… …
3257 * Extend the selection to the specified col/row 3232 * Extend the selection to the specified col/row
3258 */ 3233 */
3259void 3234void
3260rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3235rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)
3261{ 3236{
3262 int end_col;
3263 row_col_t pos; 3237 row_col_t pos;
3264 enum { 3238 enum {
3265 LEFT, RIGHT 3239 LEFT, RIGHT
3266 } closeto = RIGHT; 3240 } closeto = RIGHT;
3267 3241
… …
3298 selection.beg.col = selection.end.col = selection.mark.col; 3272 selection.beg.col = selection.end.col = selection.mark.col;
3299 selection.beg.row = selection.end.row = selection.mark.row; 3273 selection.beg.row = selection.end.row = selection.mark.row;
3300 } 3274 }
3301 3275
3302 pos.col = col; 3276 pos.col = col;
3303 pos.row = row; 3277 pos.row = view_start + row;
3304
3305 pos.row -= view_start; /* adjust for scroll */
3306 3278
3307 /* 3279 /*
3308 * This is mainly xterm style selection with a couple of differences, mainly 3280 * This is mainly xterm style selection with a couple of differences, mainly
3309 * in the way button3 drag extension works. 3281 * in the way button3 drag extension works.
3310 * We're either doing: button1 drag; button3 press; or button3 drag 3282 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3369 } 3341 }
3370 } 3342 }
3371 3343
3372 if (selection.clicks == 1) 3344 if (selection.clicks == 1)
3373 { 3345 {
3374 end_col = save[selection.beg.row + saveLines].l; 3346 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3375 3347 && !ROW(selection.beg.row).is_longer ()
3376 if (selection.beg.col > end_col
3377 && end_col != -1
3378#if ENABLE_FRILLS 3348#if ENABLE_FRILLS
3379 && !selection.rect 3349 && !selection.rect
3380#endif 3350#endif
3381 ) 3351 )
3382 selection.beg.col = ncol; 3352 selection.beg.col = ncol;
3383 3353
3384 end_col = save[selection.end.row + saveLines].l;
3385
3386 if ( 3354 if (
3387 selection.end.col > end_col 3355 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3388 && end_col != -1 3356 && !ROW(selection.end.row).is_longer ()
3389#if ENABLE_FRILLS 3357#if ENABLE_FRILLS
3390 && !selection.rect 3358 && !selection.rect
3391#endif 3359#endif
3392 ) 3360 )
3393 selection.end.col = ncol; 3361 selection.end.col = ncol;
… …
3401 selection_delimit_word (DN, &selection.end, &selection.end); 3369 selection_delimit_word (DN, &selection.end, &selection.end);
3402 } 3370 }
3403 else if (selection.clicks == 3) 3371 else if (selection.clicks == 3)
3404 { 3372 {
3405#if ENABLE_FRILLS 3373#if ENABLE_FRILLS
3406 if (options & Opt_tripleclickwords) 3374 if (OPTION (Opt_tripleclickwords))
3407 { 3375 {
3408 int end_row;
3409
3410 selection_delimit_word (UP, &selection.beg, &selection.beg); 3376 selection_delimit_word (UP, &selection.beg, &selection.beg);
3411 end_row = save[selection.mark.row + saveLines].l;
3412 3377
3413 for (end_row = selection.mark.row; end_row < nrow; end_row++) 3378 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3414 { 3379 {
3415 end_col = save[end_row + saveLines].l; 3380 if (!ROW(end_row).is_longer ())
3416
3417 if (end_col != -1)
3418 { 3381 {
3419 selection.end.row = end_row; 3382 selection.end.row = end_row;
3420 selection.end.col = end_col; 3383 selection.end.col = ROW(end_row).l;
3421 selection_remove_trailing_spaces (); 3384 selection_remove_trailing_spaces ();
3422 break; 3385 break;
3423 } 3386 }
3424 } 3387 }
3425 } 3388 }
… …
3432 selection.beg.col = 0; 3395 selection.beg.col = 0;
3433 selection.end.col = ncol; 3396 selection.end.col = ncol;
3434 3397
3435 // select a complete logical line 3398 // select a complete logical line
3436 while (selection.beg.row > -saveLines 3399 while (selection.beg.row > -saveLines
3437 && save[selection.beg.row - 1 + saveLines].l == -1) 3400 && ROW(selection.beg.row - 1).is_longer ())
3438 selection.beg.row--; 3401 selection.beg.row--;
3439 3402
3440 while (selection.end.row < nrow 3403 while (selection.end.row < nrow
3441 && save[selection.end.row + saveLines].l == -1) 3404 && ROW(selection.end.row).is_longer ())
3442 selection.end.row++; 3405 selection.end.row++;
3443 } 3406 }
3444 } 3407 }
3445 3408
3446 if (button3 && buttonpress) 3409 if (button3 && buttonpress)
… …
3457 } 3420 }
3458 } 3421 }
3459 3422
3460#if ENABLE_FRILLS 3423#if ENABLE_FRILLS
3461 if (selection.rect && selection.beg.col > selection.end.col) 3424 if (selection.rect && selection.beg.col > selection.end.col)
3462 SWAP_IT (selection.beg.col, selection.end.col, int); 3425 ::swap (selection.beg.col, selection.end.col);
3463#endif 3426#endif
3464} 3427}
3465 3428
3466#if ENABLE_FRILLS 3429#if ENABLE_FRILLS
3467void 3430void
… …
3471 text_t *stp; 3434 text_t *stp;
3472 3435
3473 end_col = selection.end.col; 3436 end_col = selection.end.col;
3474 end_row = selection.end.row; 3437 end_row = selection.end.row;
3475 3438
3476 for ( ; end_row >= selection.beg.row; ) 3439 for (; end_row >= selection.beg.row; )
3477 { 3440 {
3478 stp = save[end_row + saveLines].t; 3441 stp = ROW(end_row).t;
3479 3442
3480 while (--end_col >= 0) 3443 while (--end_col >= 0)
3481 { 3444 {
3482 if (stp[end_col] != ' ' 3445 if (stp[end_col] != NOCHAR
3483 && stp[end_col] != '\t' 3446 && !unicode::is_space (stp[end_col]))
3484 && stp[end_col] != NOCHAR)
3485 break; 3447 break;
3486 } 3448 }
3487 3449
3488 if (end_col >= 0 3450 if (end_col >= 0
3489 || save[end_row - 1 + saveLines].l != -1) 3451 || !ROW(end_row - 1).is_longer ())
3490 { 3452 {
3491 selection.end.col = end_col + 1; 3453 selection.end.col = end_col + 1;
3492 selection.end.row = end_row; 3454 selection.end.row = end_row;
3493 break; 3455 break;
3494 } 3456 }
… …
3665 */ 3627 */
3666void 3628void
3667rxvt_term::pixel_position (int *x, int *y) 3629rxvt_term::pixel_position (int *x, int *y)
3668{ 3630{
3669 *x = Pixel2Col (*x); 3631 *x = Pixel2Col (*x);
3670 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3632 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3671 *y = Pixel2Row (*y); 3633 *y = Pixel2Row (*y);
3672 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3634 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3673} 3635}
3674 3636
3675/* ------------------------------------------------------------------------- */ 3637/* ------------------------------------------------------------------------- */
3676#ifdef USE_XIM 3638#ifdef USE_XIM
3677void 3639void
… …
3688 3650
3689#if ENABLE_OVERLAY 3651#if ENABLE_OVERLAY
3690void 3652void
3691rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3653rxvt_term::scr_overlay_new (int x, int y, int w, int h)
3692{ 3654{
3693 if (nrow < 3 || ncol < 3) 3655 if (nrow < 1 || ncol < 1)
3694 return; 3656 return;
3695 3657
3696 want_refresh = 1; 3658 want_refresh = 1;
3697 3659
3698 scr_overlay_off (); 3660 scr_overlay_off ();
3699 3661
3700 if (x < 0) x = ncol - w; 3662 if (x < 0) x = ncol - w;
3701 if (y < 0) y = nrow - h; 3663 if (y < 0) y = nrow - h;
3702 3664
3703 // make space for border 3665 // make space for border
3704 w += 2; MIN_IT (w, ncol); 3666 w += 2; min_it (w, ncol);
3705 h += 2; MIN_IT (h, nrow); 3667 h += 2; min_it (h, nrow);
3706 3668
3707 x -= 1; MAX_IT (x, 0); 3669 x -= 1; clamp_it (x, 0, ncol - w);
3708 y -= 1; MAX_IT (y, 0); 3670 y -= 1; clamp_it (y, 0, nrow - h);
3709
3710 MIN_IT (x, ncol - w);
3711 MIN_IT (y, nrow - h);
3712 3671
3713 ov_x = x; ov_y = y; 3672 ov_x = x; ov_y = y;
3714 ov_w = w; ov_h = h; 3673 ov_w = w; ov_h = h;
3715 3674
3716 ov_text = new text_t *[h]; 3675 ov_text = new text_t *[h];
… …
3802rxvt_term::scr_swap_overlay () 3761rxvt_term::scr_swap_overlay ()
3803{ 3762{
3804 if (!ov_text) 3763 if (!ov_text)
3805 return; 3764 return;
3806 3765
3807 int row_offset = ov_y + saveLines - view_start;
3808
3809 // swap screen mem with overlay 3766 // swap screen mem with overlay
3810 for (int y = ov_h; y--; ) 3767 for (int y = ov_h; y--; )
3811 { 3768 {
3812 text_t *t1 = ov_text[y]; 3769 text_t *t1 = ov_text[y];
3813 rend_t *r1 = ov_rend[y]; 3770 rend_t *r1 = ov_rend[y];
3814 3771
3815 text_t *t2 = save[y + row_offset].t + ov_x; 3772 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3816 rend_t *r2 = save[y + row_offset].r + ov_x; 3773 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3817 3774
3818 for (int x = ov_w; x--; ) 3775 for (int x = ov_w; x--; )
3819 { 3776 {
3820 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3777 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3821 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3778 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
… …
3823 } 3780 }
3824} 3781}
3825 3782
3826#endif 3783#endif
3827/* ------------------------------------------------------------------------- */ 3784/* ------------------------------------------------------------------------- */
3785

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