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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.177 by root, Tue Dec 20 21:49:55 2005 UTC vs.
Revision 1.237 by root, Wed Jan 18 11:07:30 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() \
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 84#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 85 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 86#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 87 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 88
88#define LINENO(n) (((n) + term_start + total_rows) % total_rows)
89#define ROW(n) (save [LINENO (n)])
90
91/* 89/*
92 * CLEAR_ROWS : clear <num> rows starting from row <row> 90 * CLEAR_ROWS : clear <num> rows starting from row <row>
93 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
94 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour 92 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 */ 93 */
117 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
118 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
119 117
120/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
121void 119void
122rxvt_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
123{ 121{
124 if (!l.t) 122 if (!l.t)
125 { 123 {
126 lalloc (l); 124 lalloc (l);
127 col = 0; 125 col = 0;
128 width = ncol; 126 width = ncol;
129 } 127 }
130 128
129 l.touch ();
130
131 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
133 133
134 text_t *et = l.t + col; 134 text_t *et = l.t + col;
135 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
142} 142}
143 143
144/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
145/* 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 */
146void 146void
147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const
148{ 148{
149 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
150} 153}
151 154
152/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
153 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
154 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
155void 159void
156rxvt_term::scr_reset () 160rxvt_term::scr_reset ()
157{ 161{
158 unsigned int p, q;
159 int k;
160
161#if ENABLE_OVERLAY 162#if ENABLE_OVERLAY
162 scr_overlay_off (); 163 scr_overlay_off ();
163#endif 164#endif
164 165
165 view_start = 0; 166 view_start = 0;
175 return; 176 return;
176 177
177 // we need at least two lines for wrapping to work correctly 178 // we need at least two lines for wrapping to work correctly
178 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
179 { 180 {
181 //TODO//FIXME
180 saveLines++; 182 saveLines++;
181 prev_nrow--; 183 prev_nrow--;
182 nsaved++; 184 top_row--;
183 } 185 }
184 186
185 want_refresh = 1; 187 want_refresh = 1;
186 188
187 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
188 total_rows = nrow + saveLines; 190 total_rows = nrow + saveLines;
189 191
190 screen.tscroll = 0; 192 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 193 screen.bscroll = nrow - 1;
192 194
193 if (!save) 195 if (!row_buf)
194 { 196 {
195 /* 197 /*
196 * 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
197 * Note: this is still needed so that all the scrollback lines are NULL
198 */ 199 */
199 nsaved = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
200 term_start = 0; 201 term_start = 0;
201 202
202 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
203 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204 205
205 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
206 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
207 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
209 209
210 for (p = nrow; p--; ) 210 for (int row = nrow; row--; )
211 { 211 {
212 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
214 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 214 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
215 } 215 }
216 216
217 memset (charsets, 'B', sizeof (charsets)); 217 memset (charsets, 'B', sizeof (charsets));
218 rstyle = DEFAULT_RSTYLE; 218 rstyle = DEFAULT_RSTYLE;
219 screen.flags = Screen_DefaultFlags; 219 screen.flags = Screen_DefaultFlags;
243 { 243 {
244 /* 244 /*
245 * add or delete rows as appropriate 245 * add or delete rows as appropriate
246 */ 246 */
247 247
248 rxvt_salloc *old_ta; 248 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
249 rxvt_salloc *old_ra; 249 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
250 250
251#if 0
251 if (nrow < prev_nrow) 252 if (nrow < prev_nrow)
252 { 253 {
253 /* delete rows */
254 k = min (nsaved, prev_nrow - nrow);
255 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
256 scr_scroll_text (0, (int)prev_nrow - 1, k);
257
258 for (p = nrow; p < prev_nrow; p++) 254 for (int row = nrow; row < prev_nrow; row++)
259 { 255 {
260 lfree (ROW(p));
261 lfree (swap_save[p]); 256 lfree (swap_buf [row]);
262 lfree (drawn[p]); 257 lfree (drawn_buf[row]);
263 } 258 }
259 }
260#endif
264 261
265 /* we have fewer rows so fix up cursor position */ 262 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
266 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 263 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
267 264
268 scr_reset_realloc (); /* realloc _last_ */ 265 for (int row = min (nrow, prev_nrow); row--; )
266 {
267 lresize (drawn_buf[row]);
268 lresize (swap_buf [row]);
269 }
270
271 for (int row = prev_nrow; row < nrow; row++)
272 {
273 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
274 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
275 }
276
277 line_t *old_buf = row_buf;
278 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
269 } 279
270 else if (nrow > prev_nrow) 280 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
281 int pend = MOD (term_start + top_row , prev_total_rows);
282 int q = total_rows; // rewrapped row
283
284 if (top_row)
285 {
286 // re-wrap lines, this is rather ugly, possibly because I am too dumb
287 // to come up with a lean and mean algorithm.
288
289 row_col_t ocur = screen.cur;
290 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
291
271 { 292 do
272 /* add rows */
273 scr_reset_realloc (); /* realloc _first_ */
274
275 int ocol = ncol;
276 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
277
278 k = min (nsaved, nrow - prev_nrow);
279
280 for (p = prev_total_rows; p < total_rows; p++)
281 save[p].clear ();
282
283 for (p = prev_total_rows; p < total_rows - k; p++)
284 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
285
286 for (p = prev_nrow; p < nrow; p++)
287 { 293 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 294 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);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nsaved -= k;
298 }
299
300#ifdef DEBUG_STRICT 295#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow); 296 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 297#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; 298 int plines = 1;
299 int llen = old_buf [MOD (p, prev_total_rows)].l;
352 300
353 assert (llen >= 0); 301 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
354
355 while (p && save[p - 1].l < 0)
356 { 302 {
303 p = MOD (p - 1, prev_total_rows);
304
357 --p; 305 plines++;
358 llen += prev_ncol; 306 llen += prev_ncol;
359 } 307 }
360 308
361 int qlines = llen / ncol + 1; 309 int qlines = max (0, (llen - 1) / ncol) + 1;
310
311 // drop partial lines completely
312 if (q < qlines)
313 break;
314
315 q -= qlines;
316
362 int lofs = 0; 317 int lofs = 0;
318 line_t *qline;
363 319
364 q -= qlines; 320 // 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++) 321 for (int qrow = q; qlines--; qrow++)
370 { 322 {
323 qline = row_buf + qrow;
324 lalloc (*qline);
325 qline->l = ncol;
326 qline->is_longer (1);
327
371 if (qrow >= 0) 328 int qcol = 0;
329
330 // fill a single destination line
331 while (lofs < llen && qcol < ncol)
372 { 332 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = LINE_CONT1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p; 333 int prow = lofs / prev_ncol;
382 int pcol = lofs % prev_ncol; 334 int pcol = lofs % prev_ncol;
383 335
336 prow = MOD (p + prow, prev_total_rows);
337
338 // we only adjust the cursor _row_ and put it into
339 // the topmost line of "long line" it was in, as
340 // this seems to upset applications/shells/readline
341 // least.
342 if (prow == ocur.row)
343 screen.cur.row = q - (total_rows - nrow);
344
345 line_t &pline = old_buf [prow];
346
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 347 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385 348
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);
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); 349 assert (len);
350 assert (pline.t);
400 351
401 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 352 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 353 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
403 354
404 lofs += len; 355 lofs += len;
405 qcol += len; 356 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 } 357 }
411 else
412 lofs += ncol;
413 } 358 }
359
360 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
361 qline->is_longer (0);
362 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
414 } 363 }
364 while (p != pend && q > 0);
365
366 term_start = total_rows - nrow;
367 top_row = q - term_start;
368
369 // make sure all terminal lines exist
370 while (top_row > 0)
371 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
372 }
373 else
415 } 374 {
375 // if no scrollback exists (yet), wing, instead of wrap
376
377 for (int row = min (nrow, prev_nrow); row--; )
378 {
379 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
380 line_t &qline = row_buf [row];
416 381
417 free (screen.text); screen.text = tp; 382 qline = pline;
418 free (screen.rend); screen.rend = rp; 383 lresize (qline);
419 free (screen.tlen); screen.tlen = tl; 384 }
420 385
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 386 for (int row = prev_nrow; row < nrow; row++)
387 {
388 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
389 }
390
391 term_start = 0;
392 }
393
394#ifdef DEBUG_STRICT //TODO: remove
395 for (int i = top_row; i < nrow; i++)
396 assert (ROW (i).t);
422#endif 397#endif
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
428 prev_nrow = nrow; 410 prev_nrow = nrow;
429 prev_ncol = ncol; 411 prev_ncol = ncol;
430 412
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 413 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432 414
433 for (p = 0; p < ncol; p++) 415 for (int col = ncol; col--; )
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 416 tabs [col] = col % TABSIZE == 0;
435 417
436 tt_winch (); 418 tt_winch ();
437}
438 419
439void 420 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
440rxvt_term::scr_reset_realloc ()
441{
442 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
443 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
444 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
445 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
446} 421}
447 422
448/* ------------------------------------------------------------------------- */ 423/* ------------------------------------------------------------------------- */
449/* 424/*
450 * Free everything. That way malloc debugging can find leakage. 425 * Free everything. That way malloc debugging can find leakage.
453rxvt_term::scr_release () 428rxvt_term::scr_release ()
454{ 429{
455 delete talloc; talloc = 0; 430 delete talloc; talloc = 0;
456 delete ralloc; ralloc = 0; 431 delete ralloc; ralloc = 0;
457 432
458 free (save); 433 free (row_buf);
459 free (swap_save); 434 free (swap_buf);
460 free (drawn); 435 free (drawn_buf);
461 free (buf);
462 free (tabs); 436 free (tabs);
437
438 row_buf = 0; // signal that we freed all the arrays
463} 439}
464 440
465/* ------------------------------------------------------------------------- */ 441/* ------------------------------------------------------------------------- */
466/* 442/*
467 * Hard reset 443 * Hard reset
472 scr_release (); 448 scr_release ();
473 prev_nrow = prev_ncol = 0; 449 prev_nrow = prev_ncol = 0;
474 scr_reset (); 450 scr_reset ();
475 451
476 scr_clear (true); 452 scr_clear (true);
477 scr_refresh (SLOW_REFRESH); 453 scr_refresh ();
478} 454}
479 455
480/* ------------------------------------------------------------------------- * 456/* ------------------------------------------------------------------------- *
481 * PROCESS SCREEN COMMANDS * 457 * PROCESS SCREEN COMMANDS *
482 * ------------------------------------------------------------------------- */ 458 * ------------------------------------------------------------------------- */
518 set_font_style (); 494 set_font_style ();
519 break; 495 break;
520 } 496 }
521 497
522 /* boundary check in case screen size changed between SAVE and RESTORE */ 498 /* boundary check in case screen size changed between SAVE and RESTORE */
523 MIN_IT (s->cur.row, nrow - 1); 499 min_it (s->cur.row, nrow - 1);
524 MIN_IT (s->cur.col, ncol - 1); 500 min_it (s->cur.col, ncol - 1);
525#ifdef DEBUG_STRICT 501#ifdef DEBUG_STRICT
526 assert (s->cur.row >= 0); 502 assert (s->cur.row >= 0);
527 assert (s->cur.col >= 0); 503 assert (s->cur.col >= 0);
528#else /* drive with your eyes closed */
529 MAX_IT (s->cur.row, 0);
530 MAX_IT (s->cur.col, 0);
531#endif 504#endif
532} 505}
533 506
534/* ------------------------------------------------------------------------- */ 507/* ------------------------------------------------------------------------- */
535/* 508/*
546 if (current_screen == scrn) 519 if (current_screen == scrn)
547 return scrn; 520 return scrn;
548 521
549 selection_check (2); /* check for boundary cross */ 522 selection_check (2); /* check for boundary cross */
550 523
551 SWAP_IT (scrn, current_screen, int); 524 int i = current_screen; current_screen = scrn; scrn = i;
552 525
553 SWAP_IT (screen.cur.row, swap.cur.row, int16_t); 526 ::swap (screen.cur.row, swap.cur.row);
554 SWAP_IT (screen.cur.col, swap.cur.col, int16_t); 527 ::swap (screen.cur.col, swap.cur.col);
555 MAX_IT (screen.cur.row, 0); 528
556 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); 529 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
557 MAX_IT (screen.cur.col, 0); 530 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
558 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
559 531
560#if NSCREENS 532#if NSCREENS
561 if (options & Opt_secondaryScreen) 533 if (OPTION (Opt_secondaryScreen))
562 { 534 {
563 num_scr = 0; 535 num_scr = 0;
564 536
565 for (int i = nrow; i--; ) 537 for (int i = prev_nrow; i--; )
566 SWAP_IT (ROW(i), swap_save[i], line_t); 538 ::swap (ROW(i), swap_buf [i]);
567 539
568 SWAP_IT (screen.charset, swap.charset, int16_t); 540 ::swap (screen.charset, swap.charset);
569 SWAP_IT (screen.flags, swap.flags, int); 541 ::swap (screen.flags, swap.flags);
570 screen.flags |= Screen_VisibleCursor; 542 screen.flags |= Screen_VisibleCursor;
571 swap.flags |= Screen_VisibleCursor; 543 swap.flags |= Screen_VisibleCursor;
572 } 544 }
573 else 545 else
574#endif 546#endif
575 if (options & Opt_secondaryScroll) 547 if (OPTION (Opt_secondaryScroll))
576 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 548 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
577 549
578 return scrn; 550 return scrn;
579} 551}
580 552
600 * Change the colour for following text 572 * Change the colour for following text
601 */ 573 */
602void 574void
603rxvt_term::scr_color (unsigned int color, int fgbg) 575rxvt_term::scr_color (unsigned int color, int fgbg)
604{ 576{
605 if (color > maxTermCOLOR) 577 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
606 color = fgbg; 578 color = fgbg;
607 579
608 if (fgbg == Color_fg) 580 if (fgbg == Color_fg)
609 rstyle = SET_FGCOLOR (rstyle, color); 581 rstyle = SET_FGCOLOR (rstyle, color);
610 else 582 else
641 want_refresh = 1; 613 want_refresh = 1;
642 num_scr += count; 614 num_scr += count;
643 615
644 if (count > 0 616 if (count > 0
645 && row1 == 0 617 && row1 == 0
646 && row2 == nrow - 1
647 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 618 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
648 { 619 {
649 nsaved = min (nsaved + count, saveLines); 620 top_row = max (top_row - count, -saveLines);
621
622 // scroll everything up 'count' lines
650 term_start = (term_start + count) % total_rows; 623 term_start = (term_start + count) % total_rows;
651 624
625 // sever bottommost line
626 {
627 line_t &l = ROW(row2 - count);
628 l.is_longer (0);
629 l.touch ();
630 }
631
632 // erase newly scrolled-in lines
633 for (int i = count; i--; )
634 {
635 // basically this is a slightly optimized scr_blank_screen_mem
636 // it is worth the effort on slower machines
637 line_t &l = ROW(nrow - 1 - i);
638
639 scr_blank_line (l, 0, l.l, rstyle);
640
641 l.l = 0;
642 l.f = 0;
643 }
644
645 // now copy lines below the scroll region bottom to the
646 // bottom of the screen again, so they look as if they
647 // hadn't moved.
648 for (int i = nrow; --i > row2; )
649 {
650 line_t &l1 = ROW(i - count);
651 line_t &l2 = ROW(i);
652
653 ::swap (l1, l2);
654 l2.touch ();
655 }
656
657 // move and/or clear selection, if any
652 if (selection.op && current_screen == selection.screen) 658 if (selection.op && current_screen == selection.screen)
653 { 659 {
654 selection.beg.row -= count; 660 selection.beg.row -= count;
655 selection.end.row -= count; 661 selection.end.row -= count;
656 selection.mark.row -= count; 662 selection.mark.row -= count;
657 663
658 selection_check (0); 664 if (selection.beg.row < top_row
659 } 665 || selection.end.row < top_row
660 666 || selection.mark.row < top_row)
661 for (int i = count; i--; )
662 scr_blank_screen_mem (ROW(row2 - i), rstyle);
663
664 if ((options & Opt_scrollWithBuffer)
665 && view_start != 0
666 && view_start != saveLines)
667 scr_page (UP, count);
668 }
669 else
670 {
671 if (selection.op && current_screen == selection.screen)
672 {
673 int i = selection.beg.row;
674 int j = selection.end.row;
675
676 if ((i < row1 && j > row1)
677 || (i < row2 && j > row2)
678 || (i - count < row1 && i >= row1)
679 || (i - count > row2 && i <= row2)
680 || (j - count < row1 && j >= row1)
681 || (j - count > row2 && j <= row2))
682 { 667 {
683 CLEAR_ALL_SELECTION (); 668 CLEAR_ALL_SELECTION ();
684 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 669 selection.op = SELECTION_CLEAR;
685 } 670 }
686 else if (j >= row1 && j <= row2) 671 }
672
673 // finally move the view window, if desired
674 if (OPTION (Opt_scrollWithBuffer)
675 && view_start != 0
676 && view_start != -saveLines)
677 scr_page (UP, count);
678
679 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
680 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
681 }
682 else
683 {
684 if (selection.op && current_screen == selection.screen)
685 {
686 if ((selection.beg.row < row1 && selection.end.row > row1)
687 || (selection.beg.row < row2 && selection.end.row > row2)
688 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
689 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
690 || (selection.end.row - count < row1 && selection.end.row >= row1)
691 || (selection.end.row - count > row2 && selection.end.row <= row2))
692 {
693 CLEAR_ALL_SELECTION ();
694 selection.op = SELECTION_CLEAR;
695 }
696 else if (selection.end.row >= row1 && selection.end.row <= row2)
687 { 697 {
688 /* move selected region too */ 698 /* move selected region too */
689 selection.beg.row -= count; 699 selection.beg.row -= count;
690 selection.end.row -= count; 700 selection.end.row -= count;
691 selection.mark.row -= count; 701 selection.mark.row -= count;
697 // use a simple and robust scrolling algorithm, this 707 // use a simple and robust scrolling algorithm, this
698 // part of scr_scroll_text is not time-critical. 708 // part of scr_scroll_text is not time-critical.
699 709
700 int rows = row2 - row1 + 1; 710 int rows = row2 - row1 + 1;
701 711
712 min_it (count, rows);
713
714 line_t *temp_buf = row_buf + total_rows;
715
702 for (int row = 0; row < rows; row++) 716 for (int row = 0; row < rows; row++)
703 { 717 {
704 buf [row] = ROW(row1 + (row + count + rows) % rows); 718 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
705 719
706 if (!IN_RANGE_EXC (row + count, 0, rows)) 720 if (!IN_RANGE_EXC (row + count, 0, rows))
707 scr_blank_screen_mem (buf [row], rstyle); 721 scr_blank_screen_mem (temp_buf [row], rstyle);
708 } 722 }
709 723
710 for (int row = 0; row < rows; row++) 724 for (int row = 0; row < rows; row++)
711 ROW(row1 + row) = buf [row]; 725 ROW(row1 + row) = temp_buf [row];
712 } 726 }
713 727
714 return count; 728 return count;
715} 729}
716 730
717/* ------------------------------------------------------------------------- */ 731/* ------------------------------------------------------------------------- */
718/* 732/*
719 * Add text given in <str> of length <len> to screen struct 733 * Add text given in <str> of length <len> to screen struct
720 */ 734 */
721void 735void
722rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 736rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)
723{ 737{
724 if (len <= 0) /* sanity */ 738 if (len <= 0) /* sanity */
725 return; 739 return;
726 740
727 unsigned char checksel; 741 unsigned char checksel;
728 unicode_t c; 742 unicode_t c;
729 int row, last_col; 743 int ncol = this->ncol;
730 const unicode_t *strend = str + len; 744 const wchar_t *strend = str + len;
731 745
732 want_refresh = 1; 746 want_refresh = 1;
733 ZERO_SCROLLBACK (); 747 ZERO_SCROLLBACK ();
734 last_col = ncol;
735 748
736 if (nlines > 0) 749 if (minlines > 0)
737 { 750 {
738 nlines += screen.cur.row - screen.bscroll; 751 minlines += screen.cur.row - screen.bscroll;
752
739 if ((nlines > 0) 753 if (minlines > 0
740 && (screen.tscroll == 0) 754 && screen.tscroll == 0
741 && (screen.bscroll == (nrow - 1))) 755 && screen.bscroll == nrow - 1)
742 { 756 {
743 /* _at least_ this many lines need to be scrolled */ 757 /* _at least_ this many lines need to be scrolled */
744 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 758 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
745 screen.cur.row -= nlines; 759 screen.cur.row -= minlines;
746 } 760 }
747 } 761 }
748 762
749#ifdef DEBUG_STRICT 763#ifdef DEBUG_STRICT
750 assert (screen.cur.col < last_col); 764 assert (screen.cur.col < ncol);
751 assert ((screen.cur.row < nrow) 765 assert (screen.cur.row < nrow
752 && (screen.cur.row >= - (int32_t)nsaved)); 766 && screen.cur.row >= top_row);
753#else /* drive with your eyes closed */
754 MIN_IT (screen.cur.col, last_col - 1);
755 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
756 MAX_IT (screen.cur.row, - (int32_t)nsaved);
757#endif 767#endif
758 row = screen.cur.row; 768 int row = screen.cur.row;
759 769
760 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 770 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
761 771
762 line_t *line = &ROW(row); 772 line_t *line = &ROW(row);
763 773
764 while (str < strend) 774 while (str < strend)
765 { 775 {
766 c = *str++; 776 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
767 777
768 if (c < 0x20) 778 if (c < 0x20)
769 if (c == C0_LF) 779 if (c == C0_LF)
770 { 780 {
771 if (!line->is_longer ()) /* XXX: think about this */
772 MAX_IT (line->l, screen.cur.col); 781 max_it (line->l, screen.cur.col);
773 782
774 screen.flags &= ~Screen_WrapNext; 783 screen.flags &= ~Screen_WrapNext;
775 784
776 if (screen.cur.row == screen.bscroll) 785 if (screen.cur.row == screen.bscroll)
777 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 786 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
781 line = &ROW(row); /* _must_ refresh */ 790 line = &ROW(row); /* _must_ refresh */
782 continue; 791 continue;
783 } 792 }
784 else if (c == C0_CR) 793 else if (c == C0_CR)
785 { 794 {
786 if (!line->is_longer ()) /* XXX: think about this */
787 MAX_IT (line->l, screen.cur.col); 795 max_it (line->l, screen.cur.col);
788 796
789 screen.flags &= ~Screen_WrapNext; 797 screen.flags &= ~Screen_WrapNext;
790 screen.cur.col = 0; 798 screen.cur.col = 0;
791 continue; 799 continue;
792 } 800 }
809 CLEAR_SELECTION (); 817 CLEAR_SELECTION ();
810 } 818 }
811 819
812 if (screen.flags & Screen_WrapNext) 820 if (screen.flags & Screen_WrapNext)
813 { 821 {
814 line->set_is_longer ();
815
816 scr_do_wrap (); 822 scr_do_wrap ();
817 823
824 line->l = ncol;
825 line->is_longer (1);
826
818 row = screen.cur.row; 827 row = screen.cur.row;
819 line = &ROW(row); /* _must_ refresh */ 828 line = &ROW(row); /* _must_ refresh */
820 } 829 }
821 830
822 // some utf-8 decoders "decode" surrogate characters: let's fix this. 831 // some utf-8 decoders "decode" surrogate characters: let's fix this.
827 // do wcwidth before further replacements, as wcwidth might return -1 836 // do wcwidth before further replacements, as wcwidth might return -1
828 // for the line drawing characters below as they might be invalid in the current 837 // for the line drawing characters below as they might be invalid in the current
829 // locale. 838 // locale.
830 int width = c < 0x100 ? 1 : wcwidth (c); 839 int width = c < 0x100 ? 1 : wcwidth (c);
831 840
832 if (charsets[screen.charset] == '0') // DEC SPECIAL 841 if (charsets [screen.charset] == '0') // DEC SPECIAL
833 { 842 {
834 // vt100 special graphics and line drawing 843 // vt100 special graphics and line drawing
835 // 5f-7e standard vt100 844 // 5f-7e standard vt100
836 // 40-5e rxvt extension for extra curses acs chars 845 // 40-5e rxvt extension for extra curses acs chars
837 static uint16_t vt100_0[62] = { // 41 .. 7e 846 static uint16_t vt100_0[62] = { // 41 .. 7e
889 } 898 }
890 899
891 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 900 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
892 901
893 // if the character doesn't fit into the remaining columns... 902 // if the character doesn't fit into the remaining columns...
894 if (screen.cur.col > last_col - width && last_col >= width) 903 if (screen.cur.col > ncol - width && ncol >= width)
895 { 904 {
896 // ...output spaces 905 // ...output spaces
897 c = ' '; 906 c = ' ';
898 // and try the same character next loop iteration 907 // and try the same character next loop iteration
899 --str; 908 --str;
900 } 909 }
901 910
911 line->touch ();
912
902 do 913 do
903 { 914 {
904 line->t[screen.cur.col] = c; 915 line->t[screen.cur.col] = c;
905 line->r[screen.cur.col] = rend; 916 line->r[screen.cur.col] = rend;
906 917
907 if (screen.cur.col < last_col - 1) 918 if (screen.cur.col < ncol - 1)
908 screen.cur.col++; 919 screen.cur.col++;
909 else 920 else
910 { 921 {
911 line->l = last_col; 922 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 923 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 924 screen.flags |= Screen_WrapNext;
914 break; 925 break;
915 } 926 }
916 927
918 } 929 }
919 while (--width > 0); 930 while (--width > 0);
920 931
921 // pad with spaces when overwriting wide character with smaller one 932 // pad with spaces when overwriting wide character with smaller one
922 if (!width) 933 if (!width)
934 {
935 line->touch ();
936
923 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 937 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
924 { 938 {
925 line->t[c] = ' '; 939 line->t[c] = ' ';
926 line->r[c] = rend; 940 line->r[c] = rend;
927 } 941 }
942 }
928 } 943 }
929 else // width == 0 944 else // width == 0
930 { 945 {
931#if ENABLE_COMBINING 946#if ENABLE_COMBINING
932 // handle combining characters 947 // handle combining characters
933 // we just tag the accent on the previous on-screen character. 948 // we just tag the accent on the previous on-screen character.
934 // this is arguably not correct, but also arguably not wrong. 949 // this is arguably not correct, but also arguably not wrong.
935 // we don't handle double-width characters nicely yet. 950 // we don't handle double-width characters nicely yet.
951 line_t *linep;
936 text_t *tp; 952 text_t *tp;
937 rend_t *rp; 953 rend_t *rp;
938 954
939 if (screen.cur.col > 0) 955 if (screen.cur.col > 0)
940 { 956 {
957 linep = line;
941 tp = line->t + screen.cur.col - 1; 958 tp = line->t + screen.cur.col - 1;
942 rp = line->r + screen.cur.col - 1; 959 rp = line->r + screen.cur.col - 1;
943
944 while (*tp == NOCHAR && tp > line->t)
945 tp--, rp--;
946 } 960 }
947 else if (screen.cur.row > 0 961 else if (screen.cur.row > 0
948 && ROW(screen.cur.row - 1).is_longer ()) 962 && ROW(screen.cur.row - 1).is_longer ())
949 { 963 {
950 line_t *line = &ROW(screen.cur.row - 1); 964 linep = &ROW(screen.cur.row - 1);
951
952 tp = line->t + last_col - 1; 965 tp = line->t + ncol - 1;
953 rp = line->r + last_col - 1; 966 rp = line->r + ncol - 1;
954
955 while (*tp == NOCHAR && tp > line->t)
956 tp--, rp--;
957 } 967 }
958 else 968 else
959 continue; 969 continue;
970
971 linep->touch ();
972
973 while (*tp == NOCHAR && tp > linep->t)
974 tp--, rp--;
960 975
961 // first try to find a precomposed character 976 // first try to find a precomposed character
962 unicode_t n = rxvt_compose (*tp, c); 977 unicode_t n = rxvt_compose (*tp, c);
963 if (n == NOCHAR) 978 if (n == NOCHAR)
964 n = rxvt_composite.compose (*tp, c); 979 n = rxvt_composite.compose (*tp, c);
967 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 982 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
968#endif 983#endif
969 } 984 }
970 } 985 }
971 986
972 if (!line->is_longer ()) /* XXX: think about this */
973 MAX_IT (line->l, screen.cur.col); 987 max_it (line->l, screen.cur.col);
974 988
975#ifdef DEBUG_STRICT 989#ifdef DEBUG_STRICT
976 assert (screen.cur.row >= 0); 990 assert (screen.cur.row >= 0);
977#else /* drive with your eyes closed */
978 MAX_IT (screen.cur.row, 0);
979#endif 991#endif
980} 992}
981 993
982/* ------------------------------------------------------------------------- */ 994/* ------------------------------------------------------------------------- */
983/* 995/*
1022 1034
1023 if (count == 0) 1035 if (count == 0)
1024 return; 1036 return;
1025 else if (count > 0) 1037 else if (count > 0)
1026 { 1038 {
1027 int row = screen.cur.row;
1028
1029 line_t &l = ROW(row); 1039 line_t &l = ROW(screen.cur.row);
1030 rend_t base_rend = l.r[i]; 1040 rend_t base_rend = l.r[i];
1031 ht &= l.t[i] == ' '; 1041 ht &= l.t[i] == ' ';
1032 1042
1033 for (; ++i < ncol; ) 1043 for (; ++i < ncol; )
1034 if (tabs[i]) 1044 if (tabs[i])
1035 { 1045 {
1036 x = i; 1046 x = i;
1047
1037 if (!--count) 1048 if (!--count)
1038 break; 1049 break;
1039 } 1050 }
1040 else 1051 else
1041 ht &= l.t[i] == ' ' 1052 ht &= l.t[i] == ' '
1044 if (count) 1055 if (count)
1045 x = ncol - 1; 1056 x = ncol - 1;
1046 1057
1047 // store horizontal tab commands as characters inside the text 1058 // store horizontal tab commands as characters inside the text
1048 // buffer so they can be selected and pasted. 1059 // buffer so they can be selected and pasted.
1049 if (ht && options & Opt_pastableTabs) 1060 if (ht && OPTION (Opt_pastableTabs))
1050 { 1061 {
1051 base_rend = SET_FONT (base_rend, 0); 1062 base_rend = SET_FONT (base_rend, 0);
1052 1063
1053 if (!l.is_longer ()) /* XXX: think about this */ 1064 l.touch (x);
1054 MAX_IT (l.l, x);
1055 1065
1056 i = screen.cur.col; 1066 i = screen.cur.col;
1057 1067
1058 l.t[i] = '\t'; 1068 l.t[i] = '\t';
1059 l.r[i] = base_rend; 1069 l.r[i] = base_rend;
1109 */ 1119 */
1110#if ENABLE_FRILLS 1120#if ENABLE_FRILLS
1111void 1121void
1112rxvt_term::scr_forwardindex () 1122rxvt_term::scr_forwardindex ()
1113{ 1123{
1114 int row;
1115
1116 if (screen.cur.col < ncol - 1) 1124 if (screen.cur.col < ncol - 1)
1117 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1125 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1118 else 1126 else
1119 { 1127 {
1120 row = screen.cur.row; 1128 line_t &l = ROW(screen.cur.row);
1121 1129
1122 if (ROW(row).is_longer ()) //TODO//FIXME//LEN 1130 l.touch ();
1123 ROW(row).l = ncol; 1131 l.is_longer (0);
1124 1132
1125 scr_gotorc (0, 0, R_RELATIVE); 1133 scr_gotorc (0, 0, R_RELATIVE);
1126 scr_insdel_chars (1, DELETE); 1134 scr_insdel_chars (1, DELETE);
1127 scr_gotorc (0, ncol - 1, R_RELATIVE); 1135 scr_gotorc (0, ncol - 1, R_RELATIVE);
1128 } 1136 }
1138{ 1146{
1139 want_refresh = 1; 1147 want_refresh = 1;
1140 ZERO_SCROLLBACK (); 1148 ZERO_SCROLLBACK ();
1141 1149
1142 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1150 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1143 MAX_IT (screen.cur.col, 0); 1151 clamp_it (screen.cur.col, 0, ncol - 1);
1144 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1145 1152
1146 screen.flags &= ~Screen_WrapNext; 1153 screen.flags &= ~Screen_WrapNext;
1147 1154
1148 if (relative & R_RELATIVE) 1155 if (relative & R_RELATIVE)
1149 { 1156 {
1167 else 1174 else
1168 { 1175 {
1169 if (screen.flags & Screen_Relative) 1176 if (screen.flags & Screen_Relative)
1170 { /* relative origin mode */ 1177 { /* relative origin mode */
1171 screen.cur.row = row + screen.tscroll; 1178 screen.cur.row = row + screen.tscroll;
1172 MIN_IT (screen.cur.row, screen.bscroll); 1179 min_it (screen.cur.row, screen.bscroll);
1173 } 1180 }
1174 else 1181 else
1175 screen.cur.row = row; 1182 screen.cur.row = row;
1176 } 1183 }
1177 1184
1178 MAX_IT (screen.cur.row, 0); 1185 clamp_it (screen.cur.row, 0, nrow - 1);
1179 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1180} 1186}
1181 1187
1182/* ------------------------------------------------------------------------- */ 1188/* ------------------------------------------------------------------------- */
1183/* 1189/*
1184 * direction should be UP or DN 1190 * direction should be UP or DN
1199 || (screen.cur.row == screen.tscroll && direction == DN)) 1205 || (screen.cur.row == screen.tscroll && direction == DN))
1200 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1206 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1201 else 1207 else
1202 screen.cur.row += dirn; 1208 screen.cur.row += dirn;
1203 1209
1204 MAX_IT (screen.cur.row, 0); 1210 clamp_it (screen.cur.row, 0, nrow - 1);
1205 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1206 selection_check (0); 1211 selection_check (0);
1207} 1212}
1208 1213
1209/* ------------------------------------------------------------------------- */ 1214/* ------------------------------------------------------------------------- */
1210/* 1215/*
1214 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1219 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1215 */ 1220 */
1216void 1221void
1217rxvt_term::scr_erase_line (int mode) 1222rxvt_term::scr_erase_line (int mode)
1218{ 1223{
1219 unsigned int row, col, num; 1224 unsigned int col, num;
1220 1225
1221 want_refresh = 1; 1226 want_refresh = 1;
1222 ZERO_SCROLLBACK (); 1227 ZERO_SCROLLBACK ();
1223 1228
1224 selection_check (1); 1229 selection_check (1);
1225 1230
1226 row = screen.cur.row; 1231 line_t &line = ROW(screen.cur.row);
1232
1233 line.touch ();
1234 line.is_longer (0);
1227 1235
1228 switch (mode) 1236 switch (mode)
1229 { 1237 {
1230 case 0: /* erase to end of line */ 1238 case 0: /* erase to end of line */
1231 col = screen.cur.col; 1239 col = screen.cur.col;
1232 num = ncol - col; 1240 num = ncol - col;
1233 MIN_IT (ROW(row).l, (int16_t)col); 1241 min_it (line.l, col);
1234 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1242 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1235 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1243 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1236 CLEAR_SELECTION (); 1244 CLEAR_SELECTION ();
1237 break; 1245 break;
1238 case 1: /* erase to beginning of line */ 1246 case 1: /* erase to beginning of line */
1243 CLEAR_SELECTION (); 1251 CLEAR_SELECTION ();
1244 break; 1252 break;
1245 case 2: /* erase whole line */ 1253 case 2: /* erase whole line */
1246 col = 0; 1254 col = 0;
1247 num = ncol; 1255 num = ncol;
1248 ROW(row).l = 0; 1256 line.l = 0;
1249 if (selection.beg.row <= screen.cur.row 1257 if (selection.beg.row <= screen.cur.row
1250 && selection.end.row >= screen.cur.row) 1258 && selection.end.row >= screen.cur.row)
1251 CLEAR_SELECTION (); 1259 CLEAR_SELECTION ();
1252 break; 1260 break;
1253 default: 1261 default:
1254 return; 1262 return;
1255 } 1263 }
1256 1264
1257 scr_blank_line (ROW(row), col, num, rstyle); 1265 scr_blank_line (line, col, num, rstyle);
1258} 1266}
1259 1267
1260/* ------------------------------------------------------------------------- */ 1268/* ------------------------------------------------------------------------- */
1261/* 1269/*
1262 * Erase part of whole of the screen 1270 * Erase part of whole of the screen
1305 CLEAR_SELECTION (); 1313 CLEAR_SELECTION ();
1306 1314
1307 if (row >= nrow) /* Out Of Bounds */ 1315 if (row >= nrow) /* Out Of Bounds */
1308 return; 1316 return;
1309 1317
1310 MIN_IT (num, (nrow - row)); 1318 min_it (num, nrow - row);
1311 1319
1312 if (rstyle & (RS_RVid | RS_Uline)) 1320 if (rstyle & (RS_RVid | RS_Uline))
1313 ren = (rend_t) ~RS_None; 1321 ren = (rend_t) ~RS_None;
1314 else if (GET_BASEBG (rstyle) == Color_bg) 1322 else if (GET_BASEBG (rstyle) == Color_bg)
1315 { 1323 {
1317 CLEAR_ROWS (row, num); 1325 CLEAR_ROWS (row, num);
1318 } 1326 }
1319 else 1327 else
1320 { 1328 {
1321 ren = rstyle & (RS_fgMask | RS_bgMask); 1329 ren = rstyle & (RS_fgMask | RS_bgMask);
1322 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1330 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1323 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1331 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1324 ERASE_ROWS (row, num); 1332 ERASE_ROWS (row, num);
1325 gcvalue.foreground = pix_colors[Color_fg]; 1333 gcvalue.foreground = pix_colors[Color_fg];
1326 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1334 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1327 } 1335 }
1328 1336
1329 for (; num--; row++) 1337 for (; num--; row++)
1330 { 1338 {
1331 scr_blank_screen_mem (ROW (row), rstyle); 1339 scr_blank_screen_mem (ROW(row), rstyle);
1332 ROW (row).l = 0;
1333 scr_blank_line (drawn[row], 0, ncol, ren); 1340 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1334 } 1341 }
1335} 1342}
1336 1343
1337#if ENABLE_FRILLS 1344#if ENABLE_FRILLS
1338void 1345void
1339rxvt_term::scr_erase_savelines () 1346rxvt_term::scr_erase_savelines ()
1340{ 1347{
1341 want_refresh = 1; 1348 want_refresh = 1;
1342 ZERO_SCROLLBACK (); 1349 ZERO_SCROLLBACK ();
1343 1350
1344 nsaved = 0; 1351 top_row = 0;
1345} 1352}
1346#endif 1353#endif
1347 1354
1348/* ------------------------------------------------------------------------- */ 1355/* ------------------------------------------------------------------------- */
1349/* 1356/*
1370 rend_t *r1 = line.r; 1377 rend_t *r1 = line.r;
1371 1378
1372 for (int j = ncol; j--; ) 1379 for (int j = ncol; j--; )
1373 *r1++ = fs; 1380 *r1++ = fs;
1374 1381
1375 line.l = ncol; /* make the `E's selectable */ 1382 line.is_longer (0);
1383 line.touch (ncol);
1376 } 1384 }
1377} 1385}
1378 1386
1379/* ------------------------------------------------------------------------- */ 1387/* ------------------------------------------------------------------------- */
1380/* 1388/*
1423 return; 1431 return;
1424 1432
1425 scr_do_wrap (); 1433 scr_do_wrap ();
1426 1434
1427 selection_check (1); 1435 selection_check (1);
1428 MIN_IT (count, (ncol - screen.cur.col)); 1436 min_it (count, ncol - screen.cur.col);
1429 1437
1430 row = screen.cur.row; 1438 row = screen.cur.row;
1431 1439
1432 line_t *line = &ROW(row); 1440 line_t *line = &ROW(row);
1441
1442 line->touch ();
1443 line->is_longer (0);
1433 1444
1434 switch (insdel) 1445 switch (insdel)
1435 { 1446 {
1436 case INSERT: 1447 case INSERT:
1437 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1448 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1438 { 1449 {
1439 line->t[col] = line->t[col - count]; 1450 line->t[col] = line->t[col - count];
1440 line->r[col] = line->r[col - count]; 1451 line->r[col] = line->r[col - count];
1441 } 1452 }
1442 1453
1443 if (!line->is_longer ()) 1454 line->l = min (line->l + count, ncol);
1444 {
1445 line->l += count;
1446 MIN_IT (line->l, ncol);
1447 }
1448 1455
1449 if (selection.op && current_screen == selection.screen 1456 if (selection.op && current_screen == selection.screen
1450 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1457 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1451 { 1458 {
1452 if (selection.end.row != screen.cur.row 1459 if (selection.end.row != screen.cur.row
1465 1472
1466 case ERASE: 1473 case ERASE:
1467 screen.cur.col += count; /* don't worry if > ncol */ 1474 screen.cur.col += count; /* don't worry if > ncol */
1468 selection_check (1); 1475 selection_check (1);
1469 screen.cur.col -= count; 1476 screen.cur.col -= count;
1477
1478 line->l = max (line->l - count, 0);
1470 scr_blank_line (*line, screen.cur.col, count, rstyle); 1479 scr_blank_line (*line, screen.cur.col, count, rstyle);
1471 break; 1480 break;
1472 1481
1473 case DELETE: 1482 case DELETE:
1474 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1483 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1477 { 1486 {
1478 line->t[col] = line->t[col + count]; 1487 line->t[col] = line->t[col + count];
1479 line->r[col] = line->r[col + count]; 1488 line->r[col] = line->r[col + count];
1480 } 1489 }
1481 1490
1491 line->l = max (line->l - count, 0);
1482 scr_blank_line (*line, ncol - count, count, tr); 1492 scr_blank_line (*line, ncol - count, count, tr);
1483
1484 if (line->is_longer ()) /* break line continuation */
1485 line->l = ncol;
1486
1487 line->l = max (line->l - count, 0);
1488 1493
1489 if (selection.op && current_screen == selection.screen 1494 if (selection.op && current_screen == selection.screen
1490 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1495 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1491 { 1496 {
1492 if (selection.end.row != screen.cur.row 1497 if (selection.end.row != screen.cur.row
1512 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1517 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1513 */ 1518 */
1514void 1519void
1515rxvt_term::scr_scroll_region (int top, int bot) 1520rxvt_term::scr_scroll_region (int top, int bot)
1516{ 1521{
1517 MAX_IT (top, 0); 1522 max_it (top, 0);
1518 MIN_IT (bot, (int)nrow - 1); 1523 min_it (bot, nrow - 1);
1519 1524
1520 if (top > bot) 1525 if (top > bot)
1521 return; 1526 return;
1522 1527
1523 screen.tscroll = top; 1528 screen.tscroll = top;
1604rxvt_term::scr_set_tab (int mode) 1609rxvt_term::scr_set_tab (int mode)
1605{ 1610{
1606 if (mode < 0) 1611 if (mode < 0)
1607 memset (tabs, 0, ncol * sizeof (char)); 1612 memset (tabs, 0, ncol * sizeof (char));
1608 else if (screen.cur.col < ncol) 1613 else if (screen.cur.col < ncol)
1609 tabs[screen.cur.col] = (mode ? 1 : 0); 1614 tabs [screen.cur.col] = !!mode;
1610} 1615}
1611 1616
1612/* ------------------------------------------------------------------------- */ 1617/* ------------------------------------------------------------------------- */
1613/* 1618/*
1614 * Set reverse/normal video 1619 * Set reverse/normal video
1621 XGCValues gcvalue; 1626 XGCValues gcvalue;
1622 1627
1623 if (rvideo != mode) 1628 if (rvideo != mode)
1624 { 1629 {
1625 rvideo = mode; 1630 rvideo = mode;
1626 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1631 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1627#if XPM_BACKGROUND 1632#if XPM_BACKGROUND
1628 if (bgPixmap.pixmap == None) 1633 if (bgPixmap.pixmap == None)
1629#endif 1634#endif
1630#if TRANSPARENT 1635#if TRANSPARENT
1631 if (! (options & Opt_transparent) || am_transparent == 0) 1636 if (! OPTION (Opt_transparent) || am_transparent == 0)
1632#endif 1637#endif
1633 XSetWindowBackground (display->display, vt, 1638 XSetWindowBackground (display->display, vt,
1634 pix_colors[Color_bg]); 1639 pix_colors[Color_bg]);
1635 1640
1636 gcvalue.foreground = pix_colors[Color_fg]; 1641 gcvalue.foreground = pix_colors[Color_fg];
1661 * Set font style 1666 * Set font style
1662 */ 1667 */
1663void 1668void
1664rxvt_term::set_font_style () 1669rxvt_term::set_font_style ()
1665{ 1670{
1671#if 0
1666 switch (charsets[screen.charset]) 1672 switch (charsets [screen.charset])
1667 { 1673 {
1668 case '0': /* DEC Special Character & Line Drawing Set */ 1674 case '0': /* DEC Special Character & Line Drawing Set */
1669 break; 1675 break;
1670 case 'A': /* United Kingdom (UK) */ 1676 case 'A': /* United Kingdom (UK) */
1671 break; 1677 break;
1678 case 'C': /* Finnish character set */ 1684 case 'C': /* Finnish character set */
1679 break; 1685 break;
1680 case 'K': /* German character set */ 1686 case 'K': /* German character set */
1681 break; 1687 break;
1682 } 1688 }
1689#endif
1683} 1690}
1684 1691
1685/* ------------------------------------------------------------------------- */ 1692/* ------------------------------------------------------------------------- */
1686/* 1693/*
1687 * Choose a font 1694 * Choose a font
1727 bool found = false; 1734 bool found = false;
1728 1735
1729 for (int i = 0; i < nrow; i++) 1736 for (int i = 0; i < nrow; i++)
1730 { 1737 {
1731 int col = 0; 1738 int col = 0;
1732 rend_t *drp = drawn[i].r; 1739 rend_t *drp = drawn_buf[i].r;
1733 1740
1734 for (; col < ncol; col++, drp++) 1741 for (; col < ncol; col++, drp++)
1735 if ((*drp & mask) == value) 1742 if ((*drp & mask) == value)
1736 { 1743 {
1737 found = true; 1744 found = true;
1755rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1762rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)
1756{ 1763{
1757 int i; 1764 int i;
1758 row_col_t rc[RC_COUNT]; 1765 row_col_t rc[RC_COUNT];
1759 1766
1760 if (!drawn) /* sanity check */ 1767 if (!drawn_buf) /* sanity check */
1761 return; 1768 return;
1762 1769
1763#ifndef NO_SLOW_LINK_SUPPORT 1770#ifndef NO_SLOW_LINK_SUPPORT
1764 if (refresh_type == FAST_REFRESH && !display->is_local) 1771 if (refresh_type == FAST_REFRESH && !display->is_local)
1765 { 1772 {
1766 y = 0; 1773 y = 0;
1767 eheight = height; 1774 eheight = height;
1768 } 1775 }
1769#endif
1770
1771#ifdef DEBUG_STRICT
1772 x = max (x, 0);
1773 x = min (x, (int)width);
1774 y = max (y, 0);
1775 y = min (y, (int)height);
1776#endif 1776#endif
1777 1777
1778 /* round down */ 1778 /* round down */
1779 rc[PART_BEG].col = Pixel2Col (x); 1779 rc[PART_BEG].col = Pixel2Col (x);
1780 rc[PART_BEG].row = Pixel2Row (y); 1780 rc[PART_BEG].row = Pixel2Row (y);
1783 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1783 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1784 1784
1785 /* sanity checks */ 1785 /* sanity checks */
1786 for (i = PART_BEG; i < RC_COUNT; i++) 1786 for (i = PART_BEG; i < RC_COUNT; i++)
1787 { 1787 {
1788 MIN_IT (rc[i].col, ncol - 1); 1788 min_it (rc[i].col, ncol - 1);
1789 MIN_IT (rc[i].row, nrow - 1); 1789 min_it (rc[i].row, nrow - 1);
1790 } 1790 }
1791 1791
1792 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1792 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1793 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1793 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1794
1795 num_scr_allow = 0;
1794 1796
1795 if (refresh) 1797 if (refresh)
1796 scr_refresh (SLOW_REFRESH); 1798 scr_refresh ();
1797} 1799}
1798 1800
1799/* ------------------------------------------------------------------------- */ 1801/* ------------------------------------------------------------------------- */
1800/* 1802/*
1801 * Refresh the entire screen 1803 * Refresh the entire screen
1809/* ------------------------------------------------------------------------- */ 1811/* ------------------------------------------------------------------------- */
1810/* 1812/*
1811 * Move the display so that the line represented by scrollbar value Y is at 1813 * Move the display so that the line represented by scrollbar value Y is at
1812 * the top of the screen 1814 * the top of the screen
1813 */ 1815 */
1814int 1816void
1815rxvt_term::scr_move_to (int y, int len) 1817rxvt_term::scr_move_to (int y, int len)
1816{ 1818{
1817 long p = 0; 1819 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1818 unsigned int oldviewstart;
1819
1820 oldviewstart = view_start;
1821
1822 if (y < len)
1823 {
1824 p = (nrow + nsaved) * (len - y) / len;
1825 p -= (long) (nrow - 1);
1826 p = max (p, 0);
1827 }
1828
1829 view_start = (unsigned int)min (p, nsaved);
1830
1831 return scr_changeview (oldviewstart);
1832} 1820}
1833 1821
1834/* ------------------------------------------------------------------------- */ 1822/* ------------------------------------------------------------------------- */
1835/* 1823/*
1836 * Page the screen up/down nlines 1824 * Page the screen up/down nlines
1837 * direction should be UP or DN 1825 * direction should be UP or DN
1838 */ 1826 */
1839int 1827bool
1840rxvt_term::scr_page (enum page_dirn direction, int nlines) 1828rxvt_term::scr_page (enum page_dirn direction, int nlines)
1841{ 1829{
1842 int n; 1830 int new_view_start =
1843 unsigned int oldviewstart;
1844
1845 oldviewstart = view_start;
1846
1847 if (direction == UP)
1848 {
1849 n = view_start + nlines;
1850 view_start = min (n, nsaved);
1851 }
1852 else
1853 {
1854 n = view_start - nlines; 1831 direction == UP ? view_start - nlines
1855 view_start = max (n, 0); 1832 : view_start + nlines;
1856 }
1857 1833
1858 return scr_changeview (oldviewstart); 1834 return scr_changeview (new_view_start);
1859} 1835}
1860 1836
1861int 1837bool
1862rxvt_term::scr_changeview (unsigned int oldviewstart) 1838rxvt_term::scr_changeview (int new_view_start)
1863{ 1839{
1840 clamp_it (new_view_start, top_row, 0);
1841
1864 if (view_start != oldviewstart) 1842 if (new_view_start == view_start)
1865 { 1843 return false;
1844
1845 num_scr += new_view_start - view_start;
1846 view_start = new_view_start;
1866 want_refresh = 1; 1847 want_refresh = 1;
1867 num_scr -= (view_start - oldviewstart);
1868 }
1869 1848
1870 return (int) (view_start - oldviewstart); 1849 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1850
1851 return true;
1871} 1852}
1872 1853
1873/* ------------------------------------------------------------------------- */ 1854/* ------------------------------------------------------------------------- */
1874void 1855void
1875rxvt_term::scr_bell () 1856rxvt_term::scr_bell ()
1876{ 1857{
1877#ifndef NO_BELL 1858#ifndef NO_BELL
1878 1859
1879# ifndef NO_MAPALERT 1860# ifndef NO_MAPALERT
1880# ifdef MAPALERT_OPTION 1861# ifdef MAPALERT_OPTION
1881 if (options & Opt_mapAlert) 1862 if (OPTION (Opt_mapAlert))
1882# endif 1863# endif
1883 XMapWindow (display->display, parent[0]); 1864 XMapWindow (display->display, parent[0]);
1884# endif 1865# endif
1885 1866
1886 if (options & Opt_visualBell) 1867 if (OPTION (Opt_visualBell))
1887 { 1868 {
1888 scr_rvideo_mode (!rvideo); /* refresh also done */ 1869 scr_rvideo_mode (!rvideo); /* refresh also done */
1870 display->flush ();
1889 rxvt_usleep (VISUAL_BELL_DURATION); 1871 rxvt_usleep (VISUAL_BELL_DURATION);
1890 scr_rvideo_mode (!rvideo); /* refresh also done */ 1872 scr_rvideo_mode (!rvideo); /* refresh also done */
1891 } 1873 }
1892 else 1874 else
1893 XBell (display->display, 0); 1875 XBell (display->display, 0);
1907 if ((fd = popen_printer ()) == NULL) 1889 if ((fd = popen_printer ()) == NULL)
1908 return; 1890 return;
1909 1891
1910 if (fullhist) 1892 if (fullhist)
1911 { 1893 {
1912 nrows = nrow + nsaved; 1894 nrows = nrow - top_row;
1913 row_start = -nsaved; 1895 row_start = top_row;
1914 } 1896 }
1915 else 1897 else
1916 { 1898 {
1917 nrows = nrow; 1899 nrows = nrow;
1918 row_start = -view_start; 1900 row_start = view_start;
1919 } 1901 }
1920 1902
1921 wctomb (0, 0); 1903 wctomb (0, 0);
1922 1904
1923 for (int r1 = 0; r1 < nrows; r1++) 1905 for (int r1 = 0; r1 < nrows; r1++)
1955 * Refresh the screen 1937 * Refresh the screen
1956 * drawn_text/drawn_rend contain the screen information before the update. 1938 * drawn_text/drawn_rend contain the screen information before the update.
1957 * screen.text/screen.rend contain what the screen will change to. 1939 * screen.text/screen.rend contain what the screen will change to.
1958 */ 1940 */
1959void 1941void
1960rxvt_term::scr_refresh (unsigned char refresh_type) 1942rxvt_term::scr_refresh ()
1961{ 1943{
1962 unsigned char must_clear, /* use draw_string not draw_image_string */ 1944 unsigned char must_clear, /* use draw_string not draw_image_string */
1963 showcursor; /* show the cursor */ 1945 showcursor; /* show the cursor */
1964 int16_t col, row, /* column/row we're processing */ 1946 int16_t col, row, /* column/row we're processing */
1965 ocrow; /* old cursor row */ 1947 ocrow; /* old cursor row */
1966 int i, /* tmp */ 1948 int i; /* tmp */
1967 row_offset; /* basic offset in screen structure */
1968#ifndef NO_CURSORCOLOR 1949#ifndef NO_CURSORCOLOR
1969 rend_t cc1; /* store colours at cursor position (s) */ 1950 rend_t cc1; /* store colours at cursor position (s) */
1970#endif 1951#endif
1971 rend_t *crp; // cursor rendition pointer 1952 rend_t *crp; // cursor rendition pointer
1972 1953
1979 * A: set up vars 1960 * A: set up vars
1980 */ 1961 */
1981 must_clear = 0; 1962 must_clear = 0;
1982 refresh_count = 0; 1963 refresh_count = 0;
1983 1964
1984 row_offset = term_start - view_start;
1985
1986#if XPM_BACKGROUND 1965#if XPM_BACKGROUND
1987 must_clear |= bgPixmap.pixmap != None; 1966 must_clear |= bgPixmap.pixmap != None;
1988#endif 1967#endif
1989#if TRANSPARENT 1968#if TRANSPARENT
1990 must_clear |= (options & Opt_transparent) && am_transparent; 1969 must_clear |= OPTION (Opt_transparent) && am_transparent;
1991#endif 1970#endif
1992 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1971 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1993 1972
1994 /* 1973 /*
1995 * B: reverse any characters which are selected 1974 * B: reverse any characters which are selected
2019 1998
2020 crp = &ROW(screen.cur.row).r[col]; 1999 crp = &ROW(screen.cur.row).r[col];
2021 2000
2022 if (showcursor && focus) 2001 if (showcursor && focus)
2023 { 2002 {
2024 if (options & Opt_cursorUnderline) 2003 if (OPTION (Opt_cursorUnderline))
2025 *crp ^= RS_Uline; 2004 *crp ^= RS_Uline;
2026 else 2005 else
2027 { 2006 {
2028 *crp ^= RS_RVid; 2007 *crp ^= RS_RVid;
2029 2008
2031 cc1 = *crp & (RS_fgMask | RS_bgMask); 2010 cc1 = *crp & (RS_fgMask | RS_bgMask);
2032 if (ISSET_PIXCOLOR (Color_cursor)) 2011 if (ISSET_PIXCOLOR (Color_cursor))
2033 ccol1 = Color_cursor; 2012 ccol1 = Color_cursor;
2034 else 2013 else
2035#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2014#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2036 ccol1 = GET_FGCOLOR (rstyle); 2015 ccol1 = fgcolor_of (rstyle);
2037#else 2016#else
2038 ccol1 = Color_fg; 2017 ccol1 = Color_fg;
2039#endif 2018#endif
2040 if (ISSET_PIXCOLOR (Color_cursor2)) 2019 if (ISSET_PIXCOLOR (Color_cursor2))
2041 ccol2 = Color_cursor2; 2020 ccol2 = Color_cursor2;
2042 else 2021 else
2043#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2022#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2044 ccol2 = GET_BGCOLOR (rstyle); 2023 ccol2 = bgcolor_of (rstyle);
2045#else 2024#else
2046 ccol2 = Color_bg; 2025 ccol2 = Color_bg;
2047#endif 2026#endif
2048 *crp = SET_FGCOLOR (*crp, ccol1); 2027 *crp = SET_FGCOLOR (*crp, ccol1);
2049 *crp = SET_BGCOLOR (*crp, ccol2); 2028 *crp = SET_BGCOLOR (*crp, ccol2);
2054 2033
2055 /* make sure no outline cursor is left around */ 2034 /* make sure no outline cursor is left around */
2056 setoldcursor = 0; 2035 setoldcursor = 0;
2057 if (ocrow != -1) 2036 if (ocrow != -1)
2058 { 2037 {
2059 if (screen.cur.row + view_start != ocrow 2038 if (screen.cur.row - view_start != ocrow
2060 || screen.cur.col != oldcursor.col) 2039 || screen.cur.col != oldcursor.col)
2061 { 2040 {
2062 if (ocrow < nrow 2041 if (ocrow < nrow
2063 && oldcursor.col < ncol) 2042 && oldcursor.col < ncol)
2064 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2043 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2065 2044
2066 if (focus || !showcursor) 2045 if (focus || !showcursor)
2067 oldcursor.row = -1; 2046 oldcursor.row = -1;
2068 else 2047 else
2069 setoldcursor = 1; 2048 setoldcursor = 1;
2072 else if (!focus) 2051 else if (!focus)
2073 setoldcursor = 1; 2052 setoldcursor = 1;
2074 2053
2075 if (setoldcursor) 2054 if (setoldcursor)
2076 { 2055 {
2077 if (screen.cur.row + view_start >= nrow) 2056 if (screen.cur.row - view_start >= nrow)
2078 oldcursor.row = -1; 2057 oldcursor.row = -1;
2079 else 2058 else
2080 { 2059 {
2081 oldcursor.row = screen.cur.row + view_start; 2060 oldcursor.row = screen.cur.row - view_start;
2082 oldcursor.col = screen.cur.col; 2061 oldcursor.col = screen.cur.col;
2083 } 2062 }
2084 } 2063 }
2085 } 2064 }
2086 2065
2066 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2087#if ENABLE_OVERLAY 2067#if ENABLE_OVERLAY
2088 scr_swap_overlay (); 2068 scr_swap_overlay ();
2089#endif 2069#endif
2090 2070
2091#ifndef NO_SLOW_LINK_SUPPORT 2071#ifndef NO_SLOW_LINK_SUPPORT
2092 /* 2072 /*
2093 * D: CopyArea pass - very useful for slower links 2073 * D: CopyArea pass - very useful for slower links
2094 * This has been deliberately kept simple. 2074 * This has been deliberately kept simple.
2095 */ 2075 */
2096 i = num_scr;
2097 if (!display->is_local 2076 if (!display->is_local
2098 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2077 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2099 && abs (num_scr) < nrow && !must_clear) 2078 && abs (num_scr) < nrow && !must_clear)
2100 { 2079 {
2101 int16_t nits; 2080 int16_t nits;
2102 int j; 2081 int j;
2103 int len, wlen; 2082 int len, wlen;
2083 dLocal (int, num_scr);
2104 2084
2105 j = nrow; 2085 j = nrow;
2106 wlen = len = -1; 2086 wlen = len = -1;
2107 row = i > 0 ? 0 : j - 1; 2087 row = i > 0 ? 0 : j - 1;
2108 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2088 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2109 { 2089 {
2110 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2090 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2111 { 2091 {
2112 line_t s = save[(row + row_offset) % total_rows]; 2092 line_t s = ROW(view_start + row);
2113 line_t d = drawn[row]; 2093 line_t d = drawn_buf[row];
2114 line_t d2 = drawn[row + i]; 2094 line_t d2 = drawn_buf[row + i];
2115 2095
2116 for (nits = 0, col = ncol; col--; ) 2096 for (nits = 0, col = ncol; col--; )
2117 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2097 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2118 nits--; 2098 nits--;
2119 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2099 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2137 2117
2138 if (len != -1) 2118 if (len != -1)
2139 { 2119 {
2140 /* also comes here at end if needed because of >= above */ 2120 /* also comes here at end if needed because of >= above */
2141 if (wlen < len) 2121 if (wlen < len)
2142 SWAP_IT (wlen, len, int); 2122 ::swap (wlen, len);
2143 2123
2144 XCopyArea (display->display, vt, vt, 2124 XCopyArea (display->display, vt, vt,
2145 gc, 0, Row2Pixel (len + i), 2125 gc, 0, Row2Pixel (len + i),
2146 (unsigned int)TermWin_TotalWidth (), 2126 (unsigned int)this->width,
2147 (unsigned int)Height2Pixel (wlen - len + 1), 2127 (unsigned int)Height2Pixel (wlen - len + 1),
2148 0, Row2Pixel (len)); 2128 0, Row2Pixel (len));
2149 len = -1; 2129 len = -1;
2150 } 2130 }
2151 } 2131 }
2155 /* 2135 /*
2156 * E: main pass across every character 2136 * E: main pass across every character
2157 */ 2137 */
2158 for (row = 0; row < nrow; row++) 2138 for (row = 0; row < nrow; row++)
2159 { 2139 {
2160 text_t *stp = save[(row + row_offset) % total_rows].t; 2140 text_t *stp = ROW(view_start + row).t;
2161 rend_t *srp = save[(row + row_offset) % total_rows].r; 2141 rend_t *srp = ROW(view_start + row).r;
2162 text_t *dtp = drawn[row].t; 2142 text_t *dtp = drawn_buf[row].t;
2163 rend_t *drp = drawn[row].r; 2143 rend_t *drp = drawn_buf[row].r;
2164 2144
2165 /* 2145 /*
2166 * E2: OK, now the real pass 2146 * E2: OK, now the real pass
2167 */ 2147 */
2168 int ypixel = (int)Row2Pixel (row); 2148 int ypixel = (int)Row2Pixel (row);
2230 count++, i--; 2210 count++, i--;
2231 2211
2232 /* 2212 /*
2233 * Determine the attributes for the string 2213 * Determine the attributes for the string
2234 */ 2214 */
2235 int fore = GET_FGCOLOR (rend); // desired foreground 2215 int fore = fgcolor_of (rend); // desired foreground
2236 int back = GET_BGCOLOR (rend); // desired background 2216 int back = bgcolor_of (rend); // desired background
2237 2217
2238 // only do special processing if any attributes are set, which is rare 2218 // only do special processing if any attributes are set, which is unlikely
2239 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2219 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2240 { 2220 {
2241#if ENABLE_STYLES 2221#if ENABLE_STYLES
2242 // force redraw after "careful" characters to avoid pixel droppings 2222 // force redraw after "careful" characters to avoid pixel droppings
2243 if (srp[col] & RS_Careful && col < ncol - 1 && 0) 2223 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
2279 fore = Color_UL; 2259 fore = Color_UL;
2280#endif 2260#endif
2281 2261
2282 if (invert) 2262 if (invert)
2283 { 2263 {
2284 SWAP_IT (fore, back, int); 2264 ::swap (fore, back);
2285 2265
2286#ifndef NO_BOLD_UNDERLINE_REVERSE 2266#ifndef NO_BOLD_UNDERLINE_REVERSE
2287 if (ISSET_PIXCOLOR (Color_RV)) 2267 if (ISSET_PIXCOLOR (Color_RV))
2288 back = Color_RV; 2268 back = Color_RV;
2289 2269
2354 } /* for (row....) */ 2334 } /* for (row....) */
2355 2335
2356#if ENABLE_OVERLAY 2336#if ENABLE_OVERLAY
2357 scr_swap_overlay (); 2337 scr_swap_overlay ();
2358#endif 2338#endif
2339 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2359 2340
2360 /* 2341 /*
2361 * G: cleanup cursor and display outline cursor if necessary 2342 * G: cleanup cursor and display outline cursor if necessary
2362 */ 2343 */
2363 if (showcursor) 2344 if (showcursor)
2364 { 2345 {
2365 if (focus) 2346 if (focus)
2366 { 2347 {
2367 if (options & Opt_cursorUnderline) 2348 if (OPTION (Opt_cursorUnderline))
2368 *crp ^= RS_Uline; 2349 *crp ^= RS_Uline;
2369 else 2350 else
2370 { 2351 {
2371 *crp ^= RS_RVid; 2352 *crp ^= RS_RVid;
2372#ifndef NO_CURSORCOLOR 2353#ifndef NO_CURSORCOLOR
2381 2362
2382 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2363 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2383 col--; 2364 col--;
2384 2365
2385 while (col + cursorwidth < ncol 2366 while (col + cursorwidth < ncol
2386 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2367 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2387 cursorwidth++; 2368 cursorwidth++;
2388 2369
2389#ifndef NO_CURSORCOLOR 2370#ifndef NO_CURSORCOLOR
2390 if (ISSET_PIXCOLOR (Color_cursor)) 2371 if (ISSET_PIXCOLOR (Color_cursor))
2391 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2372 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
2402 /* 2383 /*
2403 * H: cleanup selection 2384 * H: cleanup selection
2404 */ 2385 */
2405 scr_reverse_selection (); 2386 scr_reverse_selection ();
2406 2387
2407 if (refresh_type & SMOOTH_REFRESH)
2408 XFlush (display->display);
2409
2410 num_scr = 0; 2388 num_scr = 0;
2411 num_scr_allow = 1; 2389 num_scr_allow = 1;
2412} 2390}
2413 2391
2414void 2392void
2415rxvt_term::scr_remap_chars (const line_t &l) 2393rxvt_term::scr_remap_chars (line_t &l)
2416{ 2394{
2417 if (!l.t) 2395 if (!l.t)
2418 return; 2396 return;
2419 2397
2398 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2399
2420 for (int i = ncol; i--; ) 2400 for (int i = ncol; i--; )
2421 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2401 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2422} 2402}
2423 2403
2424void 2404void
2425rxvt_term::scr_remap_chars () 2405rxvt_term::scr_remap_chars ()
2426{ 2406{
2427 for (int i = total_rows; i--; ) 2407 for (int i = total_rows; i--; )
2428 scr_remap_chars (save[i]); 2408 scr_remap_chars (row_buf [i]);
2429 2409
2430 for (int i = nrow; i--; ) 2410 for (int i = nrow; i--; )
2431 { 2411 {
2432 scr_remap_chars (drawn[i]); 2412 scr_remap_chars (drawn_buf [i]);
2433 scr_remap_chars (swap_save[i]); 2413 scr_remap_chars (swap_buf [i]);
2434 } 2414 }
2435} 2415}
2436 2416
2437void 2417void
2438rxvt_term::scr_recolour () 2418rxvt_term::scr_recolour ()
2476 2456
2477 if (really) 2457 if (really)
2478 XClearWindow (display->display, vt); 2458 XClearWindow (display->display, vt);
2479} 2459}
2480 2460
2461void
2462rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
2463{
2464 int view_end = view_start + nrow;
2465 int row, col;
2466
2467 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2468 {
2469 text_t *stp = ROW(row).t;
2470 rend_t *srp = ROW(row).r;
2471
2472 for (col = beg_col; col < end_col; col++)
2473 srp[col] ^= rstyle1;
2474
2475 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2476 srp[col] ^= rstyle2;
2477
2478 if (++col < end_col)
2479 srp[col] ^= rstyle2;
2480 }
2481}
2482
2483void
2484rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
2485{
2486 int view_end = view_start + nrow;
2487 int row, col;
2488
2489 if (beg_row >= view_start)
2490 {
2491 col = beg_col;
2492 row = beg_row;
2493 }
2494 else
2495 {
2496 col = 0;
2497 row = view_start;
2498 }
2499
2500 for (; row < min (end_row, view_end); row++, col = 0)
2501 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2502 srp[col] ^= rstyle;
2503
2504 if (row == end_row)
2505 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2506 srp[col] ^= rstyle;
2507}
2508
2481/* ------------------------------------------------------------------------- */ 2509/* ------------------------------------------------------------------------- */
2482void 2510void
2483rxvt_term::scr_reverse_selection () 2511rxvt_term::scr_reverse_selection ()
2484{ 2512{
2485 if (selection.op 2513 if (selection.op
2486 && current_screen == selection.screen 2514 && current_screen == selection.screen
2487 && selection.end.row >= -view_start) 2515 && selection.end.row >= view_start)
2488 { 2516 {
2489 int view_end = -view_start + nrow;
2490 int row, col;
2491
2492#if ENABLE_FRILLS 2517#if ENABLE_FRILLS
2493 if (selection.rect) 2518 if (selection.rect)
2494 { 2519 scr_xor_rect (selection.beg.row, selection.beg.col,
2495 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2520 selection.end.row, selection.end.col,
2496 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) 2521 RS_RVid, RS_RVid | RS_Uline);
2497 srp[col] ^= RS_RVid;
2498 }
2499 else 2522 else
2500#endif 2523#endif
2501 { 2524 scr_xor_span (selection.beg.row, selection.beg.col,
2502 if (selection.beg.row >= -view_start) 2525 selection.end.row, selection.end.col,
2503 { 2526 RS_RVid);
2504 col = selection.beg.col;
2505 row = selection.beg.row;
2506 }
2507 else
2508 {
2509 col = 0;
2510 row = view_start;
2511 }
2512
2513 for (; row < min (selection.end.row, view_end); row++, col = 0)
2514 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2515 srp[col] ^= RS_RVid;
2516
2517 if (row == selection.end.row)
2518 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2519 srp[col] ^= RS_RVid;
2520 }
2521 } 2527 }
2522} 2528}
2523 2529
2524/* ------------------------------------------------------------------------- */ 2530/* ------------------------------------------------------------------------- */
2525/* 2531/*
2535 char r1[] = "\n"; 2541 char r1[] = "\n";
2536 2542
2537 for (row = saveLines - nsaved; 2543 for (row = saveLines - nsaved;
2538 row < saveLines + nrow - 1; row++) 2544 row < saveLines + nrow - 1; row++)
2539 { 2545 {
2540 width = save[row].l >= 0 ? save[row].l 2546 width = row_buf[row].l >= 0 ? row_buf[row].l
2541 : ncol; 2547 : ncol;
2542 for (towrite = width; towrite; towrite -= wrote) 2548 for (towrite = width; towrite; towrite -= wrote)
2543 { 2549 {
2544 wrote = write (fd, & (save[row].t[width - towrite]), 2550 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2545 towrite); 2551 towrite);
2546 if (wrote < 0) 2552 if (wrote < 0)
2547 return; /* XXX: death, no report */ 2553 return; /* XXX: death, no report */
2548 } 2554 }
2549 if (save[row].l >= 0) 2555 if (row_buf[row].l >= 0)
2550 if (write (fd, r1, 1) <= 0) 2556 if (write (fd, r1, 1) <= 0)
2551 return; /* XXX: death, no report */ 2557 return; /* XXX: death, no report */
2552 } 2558 }
2553} 2559}
2554#endif 2560#endif
2563 2569
2564 if (!selection.op) 2570 if (!selection.op)
2565 return; 2571 return;
2566 2572
2567 pos.row = pos.col = 0; 2573 pos.row = pos.col = 0;
2568 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2574 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2569 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2575 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2570 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2576 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2571 || (check_more == 1 2577 || (check_more == 1
2572 && current_screen == selection.screen 2578 && current_screen == selection.screen
2573 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2579 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2574 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2580 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2575 || (check_more == 2 2581 || (check_more == 2
2586/* ------------------------------------------------------------------------- */ 2592/* ------------------------------------------------------------------------- */
2587/* 2593/*
2588 * Paste a selection direct to the command fd 2594 * Paste a selection direct to the command fd
2589 */ 2595 */
2590void 2596void
2591rxvt_term::paste (unsigned char *data, unsigned int len) 2597rxvt_term::paste (char *data, unsigned int len)
2592{ 2598{
2593 /* convert normal newline chars into common keyboard Return key sequence */ 2599 /* convert normal newline chars into common keyboard Return key sequence */
2594 for (unsigned int i = 0; i < len; i++) 2600 for (unsigned int i = 0; i < len; i++)
2595 if (data[i] == C0_LF) 2601 if (data[i] == C0_LF)
2596 data[i] = C0_CR; 2602 data[i] = C0_CR;
2740 { 2746 {
2741 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2747 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2742 char *s = rxvt_wcstombs (w); 2748 char *s = rxvt_wcstombs (w);
2743 free (w); 2749 free (w);
2744 // TODO: strlen == only the first element will be converted. well... 2750 // TODO: strlen == only the first element will be converted. well...
2745 paste ((unsigned char *)s, strlen (s)); 2751 paste (s, strlen (s));
2746 free (s); 2752 free (s);
2747 } 2753 }
2748 else 2754 else
2749#endif 2755#endif
2750 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2756 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2751 && cl) 2757 && cl)
2752 { 2758 {
2753 for (int i = 0; i < cr; i++) 2759 for (int i = 0; i < cr; i++)
2754 paste ((unsigned char *)cl[i], strlen (cl[i])); 2760 paste (cl[i], strlen (cl[i]));
2755 2761
2756 XFreeStringList (cl); 2762 XFreeStringList (cl);
2757 } 2763 }
2758 else 2764 else
2759 paste (ct.value, ct.nitems); // paste raw 2765 paste ((char *)ct.value, ct.nitems); // paste raw
2760 2766
2761bailout: 2767bailout:
2762 XFree (ct.value); 2768 XFree (ct.value);
2763 2769
2764 if (selection_wait == Sel_normal) 2770 if (selection_wait == Sel_normal)
2802 return; /* outside window */ 2808 return; /* outside window */
2803 2809
2804 if (selection.text) 2810 if (selection.text)
2805 { /* internal selection */ 2811 { /* internal selection */
2806 char *str = rxvt_wcstombs (selection.text, selection.len); 2812 char *str = rxvt_wcstombs (selection.text, selection.len);
2807 paste ((unsigned char *)str, strlen (str)); 2813 paste (str, strlen (str));
2808 free (str); 2814 free (str);
2809 return; 2815 return;
2810 } 2816 }
2811 else 2817 else
2812 { 2818 {
2904 selection.op = SELECTION_DONE; 2910 selection.op = SELECTION_DONE;
2905 2911
2906 if (selection.clicks == 4) 2912 if (selection.clicks == 4)
2907 return; /* nothing selected, go away */ 2913 return; /* nothing selected, go away */
2908 2914
2915 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2916 return;
2917
2909 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2918 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2910 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));
2911 2920
2912 int ofs = 0; 2921 int ofs = 0;
2913 int extra = 0; 2922 int extra = 0;
2925 col = selection.beg.col; 2934 col = selection.beg.col;
2926 end_col = ncol + 1; 2935 end_col = ncol + 1;
2927 } 2936 }
2928 else 2937 else
2929#endif 2938#endif
2930 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2939 end_col = ROW(row).l;
2931 2940
2932 col = max (col, 0); 2941 col = max (col, 0);
2933 2942
2934 if (row == selection.end.row || selection.rect) 2943 if (row == selection.end.row
2944#if ENABLE_FRILLS
2945 || selection.rect
2946#endif
2947 )
2935 end_col = min (end_col, selection.end.col); 2948 min_it (end_col, selection.end.col);
2936 2949
2937 t = ROW(row).t + col; 2950 t = ROW(row).t + col;
2951
2938 for (; col < end_col; col++) 2952 for (; col < end_col; col++)
2939 { 2953 {
2940 if (*t == NOCHAR) 2954 if (*t == NOCHAR)
2941 t++; 2955 t++;
2942#if ENABLE_COMBINING 2956#if ENABLE_COMBINING
2958#endif 2972#endif
2959 else 2973 else
2960 new_selection_text[ofs++] = *t++; 2974 new_selection_text[ofs++] = *t++;
2961 } 2975 }
2962 2976
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
2985 new_selection_text[ofs++] = C0_LF;
2986 }
2987 else
2988#endif
2963 if (!ROW(row).is_longer () && row != selection.end.row) 2989 if (!ROW(row).is_longer () && row != selection.end.row)
2964 new_selection_text[ofs++] = C0_LF; 2990 new_selection_text[ofs++] = C0_LF;
2965 } 2991 }
2966 2992
2967 if (end_col != selection.end.col) 2993 if (end_col != selection.end.col)
2968 new_selection_text[ofs++] = C0_LF; 2994 new_selection_text[ofs++] = C0_LF;
2969 2995
2979 3005
2980 // 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
2981 selection.len = ofs; 3007 selection.len = ofs;
2982 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));
2983 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
2984 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3021 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2985 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3022 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3023 {
2986 display->set_selection_owner (this); 3024 display->set_selection_owner (this);
3025 return true;
3026 }
2987 else 3027 else
2988 rxvt_warn ("can't get primary selection, ignoring.\n"); 3028 {
3029 selection_clear ();
3030 return false;
3031 }
2989 3032
2990#if 0 3033#if 0
2991 XTextProperty ct; 3034 XTextProperty ct;
2992 3035
2993 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3036 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2994 { 3037 {
2995 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3038 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2996 XFree (ct.value); 3039 XFree (ct.value);
2997 } 3040 }
2998#endif 3041#endif
2999
3000 selection_time = tm;
3001} 3042}
3002 3043
3003/* ------------------------------------------------------------------------- */ 3044/* ------------------------------------------------------------------------- */
3004/* 3045/*
3005 * 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
3009rxvt_term::selection_click (int clicks, int x, int y) 3050rxvt_term::selection_click (int clicks, int x, int y)
3010{ 3051{
3011 clicks = ((clicks - 1) % 3) + 1; 3052 clicks = ((clicks - 1) % 3) + 1;
3012 selection.clicks = clicks; /* save clicks so extend will work */ 3053 selection.clicks = clicks; /* save clicks so extend will work */
3013 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
3014 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3064 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3015 3065
3016 if (clicks == 2 || clicks == 3) 3066 if (clicks == 2 || clicks == 3)
3017 selection_extend_colrow (selection.mark.col, 3067 selection_extend_colrow (selection.mark.col,
3018 selection.mark.row + view_start, 3068 selection.mark.row - view_start,
3019 0, /* button 3 */ 3069 0, /* button 3 */
3020 1, /* button press */ 3070 1, /* button press */
3021 0); /* click change */ 3071 0); /* click change */
3022} 3072}
3023 3073
3028void 3078void
3029rxvt_term::selection_start_colrow (int col, int row) 3079rxvt_term::selection_start_colrow (int col, int row)
3030{ 3080{
3031 want_refresh = 1; 3081 want_refresh = 1;
3032 3082
3033 selection.mark.row = row - view_start; 3083 selection.mark.row = row + view_start;
3034 selection.mark.col = col; 3084 selection.mark.col = col;
3035 3085
3036 selection.mark.row = min (max (selection.mark.row, -nsaved), nrow - 1); 3086 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3037 selection.mark.col = min (max (selection.mark.col, 0), ncol - 1); 3087 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3038 3088
3039 while (selection.mark.col > 0 3089 while (selection.mark.col > 0
3040 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3090 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3041 --selection.mark.col; 3091 --selection.mark.col;
3042 3092
3069 text_t *stp; 3119 text_t *stp;
3070 rend_t *srp; 3120 rend_t *srp;
3071 3121
3072 if (dirn == UP) 3122 if (dirn == UP)
3073 { 3123 {
3074 bound.row = - nsaved - 1; 3124 bound.row = top_row - 1;
3075 bound.col = 0; 3125 bound.col = 0;
3076 dirnadd = -1; 3126 dirnadd = -1;
3077 } 3127 }
3078 else 3128 else
3079 { 3129 {
3127 } 3177 }
3128 } 3178 }
3129 break; 3179 break;
3130 } 3180 }
3131 3181
3132Old_Word_Selection_You_Die:
3133 if (dirn == DN) 3182 if (dirn == DN)
3134 col++; /* put us on one past the end */ 3183 col++; /* put us on one past the end */
3135 3184
3136 /* Poke the values back in */ 3185 /* Poke the values back in */
3137 ret->row = row; 3186 ret->row = row;
3147 * flag == 2 ==> button 3 motion 3196 * flag == 2 ==> button 3 motion
3148 */ 3197 */
3149void 3198void
3150rxvt_term::selection_extend (int x, int y, int flag) 3199rxvt_term::selection_extend (int x, int y, int flag)
3151{ 3200{
3152 int col = min (max (Pixel2Col (x), 0), nrow - 1); 3201 int col = clamp (Pixel2Col (x), 0, ncol);
3153 int row = min (max (Pixel2Row (y), 0), ncol); 3202 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3154 3203
3155 /* 3204 /*
3156 * 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
3157 * 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
3158 * 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
3159 * be _past_ a character for it to be selected. 3208 * be _past_ a character for it to be selected.
3160 */ 3209 */
3161 if (((selection.clicks % 3) == 1) && !flag 3210 if (((selection.clicks % 3) == 1) && !flag
3162 && (col == selection.mark.col 3211 && (col == selection.mark.col
3163 && (row == selection.mark.row + view_start))) 3212 && (row == selection.mark.row - view_start)))
3164 { 3213 {
3165 /* select nothing */ 3214 /* select nothing */
3166 selection.beg.row = selection.end.row = 0; 3215 selection.beg.row = selection.end.row = 0;
3167 selection.beg.col = selection.end.col = 0; 3216 selection.beg.col = selection.end.col = 0;
3168 selection.clicks = 4; 3217 selection.clicks = 4;
3223 selection.beg.col = selection.end.col = selection.mark.col; 3272 selection.beg.col = selection.end.col = selection.mark.col;
3224 selection.beg.row = selection.end.row = selection.mark.row; 3273 selection.beg.row = selection.end.row = selection.mark.row;
3225 } 3274 }
3226 3275
3227 pos.col = col; 3276 pos.col = col;
3228 pos.row = row - view_start; 3277 pos.row = view_start + row;
3229 3278
3230 /* 3279 /*
3231 * 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
3232 * in the way button3 drag extension works. 3281 * in the way button3 drag extension works.
3233 * We're either doing: button1 drag; button3 press; or button3 drag 3282 * We're either doing: button1 drag; button3 press; or button3 drag
3320 selection_delimit_word (DN, &selection.end, &selection.end); 3369 selection_delimit_word (DN, &selection.end, &selection.end);
3321 } 3370 }
3322 else if (selection.clicks == 3) 3371 else if (selection.clicks == 3)
3323 { 3372 {
3324#if ENABLE_FRILLS 3373#if ENABLE_FRILLS
3325 if (options & Opt_tripleclickwords) 3374 if (OPTION (Opt_tripleclickwords))
3326 { 3375 {
3327 selection_delimit_word (UP, &selection.beg, &selection.beg); 3376 selection_delimit_word (UP, &selection.beg, &selection.beg);
3328 3377
3329 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3378 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3330 { 3379 {
3371 } 3420 }
3372 } 3421 }
3373 3422
3374#if ENABLE_FRILLS 3423#if ENABLE_FRILLS
3375 if (selection.rect && selection.beg.col > selection.end.col) 3424 if (selection.rect && selection.beg.col > selection.end.col)
3376 SWAP_IT (selection.beg.col, selection.end.col, int); 3425 ::swap (selection.beg.col, selection.end.col);
3377#endif 3426#endif
3378} 3427}
3379 3428
3380#if ENABLE_FRILLS 3429#if ENABLE_FRILLS
3381void 3430void
3391 { 3440 {
3392 stp = ROW(end_row).t; 3441 stp = ROW(end_row).t;
3393 3442
3394 while (--end_col >= 0) 3443 while (--end_col >= 0)
3395 { 3444 {
3396 if (stp[end_col] != ' ' 3445 if (stp[end_col] != NOCHAR
3397 && stp[end_col] != '\t' 3446 && !unicode::is_space (stp[end_col]))
3398 && stp[end_col] != NOCHAR)
3399 break; 3447 break;
3400 } 3448 }
3401 3449
3402 if (end_col >= 0 3450 if (end_col >= 0
3403 || !ROW(end_row - 1).is_longer ()) 3451 || !ROW(end_row - 1).is_longer ())
3579 */ 3627 */
3580void 3628void
3581rxvt_term::pixel_position (int *x, int *y) 3629rxvt_term::pixel_position (int *x, int *y)
3582{ 3630{
3583 *x = Pixel2Col (*x); 3631 *x = Pixel2Col (*x);
3584 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3632 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3585 *y = Pixel2Row (*y); 3633 *y = Pixel2Row (*y);
3586 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3634 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3587} 3635}
3588 3636
3589/* ------------------------------------------------------------------------- */ 3637/* ------------------------------------------------------------------------- */
3590#ifdef USE_XIM 3638#ifdef USE_XIM
3591void 3639void
3602 3650
3603#if ENABLE_OVERLAY 3651#if ENABLE_OVERLAY
3604void 3652void
3605rxvt_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)
3606{ 3654{
3607 if (nrow < 3 || ncol < 3) 3655 if (nrow < 1 || ncol < 1)
3608 return; 3656 return;
3609 3657
3610 want_refresh = 1; 3658 want_refresh = 1;
3611 3659
3612 scr_overlay_off (); 3660 scr_overlay_off ();
3613 3661
3614 if (x < 0) x = ncol - w; 3662 if (x < 0) x = ncol - w;
3615 if (y < 0) y = nrow - h; 3663 if (y < 0) y = nrow - h;
3616 3664
3617 // make space for border 3665 // make space for border
3618 w += 2; MIN_IT (w, ncol); 3666 w += 2; min_it (w, ncol);
3619 h += 2; MIN_IT (h, nrow); 3667 h += 2; min_it (h, nrow);
3620 3668
3621 x -= 1; MAX_IT (x, 0); 3669 x -= 1; clamp_it (x, 0, ncol - w);
3622 y -= 1; MAX_IT (y, 0); 3670 y -= 1; clamp_it (y, 0, nrow - h);
3623
3624 MIN_IT (x, ncol - w);
3625 MIN_IT (y, nrow - h);
3626 3671
3627 ov_x = x; ov_y = y; 3672 ov_x = x; ov_y = y;
3628 ov_w = w; ov_h = h; 3673 ov_w = w; ov_h = h;
3629 3674
3630 ov_text = new text_t *[h]; 3675 ov_text = new text_t *[h];
3722 for (int y = ov_h; y--; ) 3767 for (int y = ov_h; y--; )
3723 { 3768 {
3724 text_t *t1 = ov_text[y]; 3769 text_t *t1 = ov_text[y];
3725 rend_t *r1 = ov_rend[y]; 3770 rend_t *r1 = ov_rend[y];
3726 3771
3727 text_t *t2 = ROW(y - view_start).t + ov_x; 3772 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3728 rend_t *r2 = ROW(y - view_start).r + ov_x; 3773 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3729 3774
3730 for (int x = ov_w; x--; ) 3775 for (int x = ov_w; x--; )
3731 { 3776 {
3732 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3777 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3733 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));

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