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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.176 by root, Tue Dec 20 20:58:31 2005 UTC vs.
Revision 1.242 by root, Thu Jan 19 19:51:08 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;
234 selection.text = NULL; 234 selection.text = NULL;
235 selection.len = 0; 235 selection.len = 0;
236 selection.op = SELECTION_CLEAR; 236 selection.op = SELECTION_CLEAR;
237 selection.screen = PRIMARY; 237 selection.screen = PRIMARY;
238 selection.clicks = 0; 238 selection.clicks = 0;
239 CLEAR_ALL_SELECTION ();
240 rvideo = 0; 239 rvideo = 0;
241 } 240 }
242 else 241 else
243 { 242 {
244 /* 243 /*
245 * add or delete rows as appropriate 244 * add or delete rows as appropriate
246 */ 245 */
247 246
248 rxvt_salloc *old_ta; 247 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
249 rxvt_salloc *old_ra; 248 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
250 249
250#if 0
251 if (nrow < prev_nrow) 251 if (nrow < prev_nrow)
252 { 252 {
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++) 253 for (int row = nrow; row < prev_nrow; row++)
259 { 254 {
260 lfree (ROW(p));
261 lfree (swap_save[p]); 255 lfree (swap_buf [row]);
262 lfree (drawn[p]); 256 lfree (drawn_buf[row]);
263 } 257 }
258 }
259#endif
264 260
265 /* we have fewer rows so fix up cursor position */ 261 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
266 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 262 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
267 263
268 scr_reset_realloc (); /* realloc _last_ */ 264 for (int row = min (nrow, prev_nrow); row--; )
265 {
266 lresize (drawn_buf[row]);
267 lresize (swap_buf [row]);
268 }
269
270 for (int row = prev_nrow; row < nrow; row++)
271 {
272 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
273 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
274 }
275
276 line_t *old_buf = row_buf;
277 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
269 } 278
270 else if (nrow > prev_nrow) 279 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
280 int pend = MOD (term_start + top_row , prev_total_rows);
281 int q = total_rows; // rewrapped row
282
283 if (top_row)
284 {
285 // re-wrap lines, this is rather ugly, possibly because I am too dumb
286 // to come up with a lean and mean algorithm.
287
288 row_col_t ocur = screen.cur;
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290
271 { 291 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 { 292 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 293 p = MOD (p - 1, prev_total_rows);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 }
291
292 if (k > 0)
293 {
294 scr_scroll_text (0, (int)nrow - 1, -k);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nsaved -= k;
298 }
299
300#ifdef DEBUG_STRICT 294#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow); 295 assert (old_buf [MOD (p, prev_total_rows)].t);
302#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1);
304#endif 296#endif
305 ncol = ocol; // save b/c scr_blank_screen_mem uses this
306 }
307
308 /* resize columns */
309 if (ncol != prev_ncol)
310 {
311 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
312 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
313
314 for (p = total_rows; p--; )
315 lresize (save[p]);
316
317 for (p = nrow; p--; )
318 {
319 lresize (drawn[p]);
320 lresize (swap_save[p]);
321 }
322
323 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
324
325 delete old_ta;
326 delete old_ra;
327 }
328
329#if 0
330 // re-wrap lines, this is rather ugly, possibly because I am too dumb
331 // to come up with a lean and mean algorithm.
332 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
333 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
334
335 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
336 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
337 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
338
339 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D
340
341 p = prev_total_rows;
342 q = total_rows;
343
344 while (p > 0 && q > 0)
345 {
346 --p;
347
348 printf ("pq %d:%d\n", p, q);
349 if (save[p].t)
350 {
351 int llen = save[p].l; 297 int plines = 1;
298 int llen = old_buf [MOD (p, prev_total_rows)].l;
352 299
353 assert (llen >= 0); 300 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
354
355 while (p && save[p - 1].l < 0)
356 { 301 {
302 p = MOD (p - 1, prev_total_rows);
303
357 --p; 304 plines++;
358 llen += prev_ncol; 305 llen += prev_ncol;
359 } 306 }
360 307
361 int qlines = llen / ncol + 1; 308 int qlines = max (0, (llen - 1) / ncol) + 1;
309
310 // drop partial lines completely
311 if (q < qlines)
312 break;
313
314 q -= qlines;
315
362 int lofs = 0; 316 int lofs = 0;
317 line_t *qline;
363 318
364 q -= qlines; 319 // re-assemble the full line by destination lines
365
366 int qrow = q;
367
368 printf ("QL %d llen %d\n", qlines, llen);//D
369 for (; qlines--; qrow++) 320 for (int qrow = q; qlines--; qrow++)
370 { 321 {
322 qline = row_buf + qrow;
323 lalloc (*qline);
324 qline->l = ncol;
325 qline->is_longer (1);
326
327 int qcol = 0;
328
329 // see below for cursor adjustment rationale
371 if (qrow >= 0) 330 if (p == ocur.row)
331 screen.cur.row = q - (total_rows - nrow);
332
333 // fill a single destination line
334 while (lofs < llen && qcol < ncol)
372 { 335 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = LINE_CONT1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p; 336 int prow = lofs / prev_ncol;
382 int pcol = lofs % prev_ncol; 337 int pcol = lofs % prev_ncol;
383 338
339 prow = MOD (p + prow, prev_total_rows);
340
341 // we only adjust the cursor _row_ and put it into
342 // the topmost line of "long line" it was in, as
343 // this seems to upset applications/shells/readline
344 // least.
345 if (prow == ocur.row)
346 screen.cur.row = q - (total_rows - nrow);
347
348 line_t &pline = old_buf [prow];
349
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 350 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385 351
386 printf ("q %d lofs %d>%d len %d pq %d:%d p %d:%d q :%d\n", q, llen, lofs, len, prev_ncol, ncol, prow, pcol, qcol); 352#if DEBUG_STRICT
387
388 if (len <= 0)
389 {
390 tl [qrow] = qcol;
391
392 TODO
393 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
394 ncol - qcol, DEFAULT_RSTYLE);
395
396 break;
397 }
398
399 assert (lofs < 1000); 353 assert (len);
354 assert (pline.t);
355#endif
400 356
401 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 357 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 358 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
403 359
404 lofs += len; 360 lofs += len;
405 qcol += len; 361 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 } 362 }
411 else
412 lofs += ncol;
413 } 363 }
364
365 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
366 qline->is_longer (0);
367 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
414 } 368 }
369 while (p != pend && q > 0);
370
371 term_start = total_rows - nrow;
372 top_row = q - term_start;
373
374 // make sure all terminal lines exist
375 while (top_row > 0)
376 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
377 }
378 else
415 } 379 {
380 // if no scrollback exists (yet), wing, instead of wrap
381
382 for (int row = min (nrow, prev_nrow); row--; )
383 {
384 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
385 line_t &qline = row_buf [row];
416 386
417 free (screen.text); screen.text = tp; 387 qline = pline;
418 free (screen.rend); screen.rend = rp; 388 lresize (qline);
419 free (screen.tlen); screen.tlen = tl; 389 }
420 390
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 391 for (int row = prev_nrow; row < nrow; row++)
422#endif 392 {
393 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
394 }
395
396 term_start = 0;
397 }
398
399 free (old_buf);
400 delete old_ta;
401 delete old_ra;
402
403 clamp_it (screen.cur.row, 0, nrow - 1);
404 clamp_it (screen.cur.col, 0, ncol - 1);
423 405
424 if (tabs) 406 if (tabs)
425 free (tabs); 407 free (tabs);
426 } 408 }
427 409
410 CLEAR_ALL_SELECTION ();
411
428 prev_nrow = nrow; 412 prev_nrow = nrow;
429 prev_ncol = ncol; 413 prev_ncol = ncol;
430 414
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 415 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432 416
433 for (p = 0; p < ncol; p++) 417 for (int col = ncol; col--; )
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 418 tabs [col] = col % TABSIZE == 0;
435 419
436 tt_winch (); 420 tt_winch ();
437}
438 421
439void 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
440rxvt_term::scr_reset_realloc ()
441{
442 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} 423}
447 424
448/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
449/* 426/*
450 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
453rxvt_term::scr_release () 430rxvt_term::scr_release ()
454{ 431{
455 delete talloc; talloc = 0; 432 delete talloc; talloc = 0;
456 delete ralloc; ralloc = 0; 433 delete ralloc; ralloc = 0;
457 434
458 free (save); 435 free (row_buf);
459 free (swap_save); 436 free (swap_buf);
460 free (drawn); 437 free (drawn_buf);
461 free (buf);
462 free (tabs); 438 free (tabs);
439
440 row_buf = 0; // signal that we freed all the arrays
463} 441}
464 442
465/* ------------------------------------------------------------------------- */ 443/* ------------------------------------------------------------------------- */
466/* 444/*
467 * Hard reset 445 * Hard reset
472 scr_release (); 450 scr_release ();
473 prev_nrow = prev_ncol = 0; 451 prev_nrow = prev_ncol = 0;
474 scr_reset (); 452 scr_reset ();
475 453
476 scr_clear (true); 454 scr_clear (true);
477 scr_refresh (SLOW_REFRESH); 455 scr_refresh ();
478} 456}
479 457
480/* ------------------------------------------------------------------------- * 458/* ------------------------------------------------------------------------- *
481 * PROCESS SCREEN COMMANDS * 459 * PROCESS SCREEN COMMANDS *
482 * ------------------------------------------------------------------------- */ 460 * ------------------------------------------------------------------------- */
484 * Save and Restore cursor 462 * Save and Restore cursor
485 * XTERM_SEQ: Save cursor : ESC 7 463 * XTERM_SEQ: Save cursor : ESC 7
486 * XTERM_SEQ: Restore cursor: ESC 8 464 * XTERM_SEQ: Restore cursor: ESC 8
487 */ 465 */
488void 466void
489rxvt_term::scr_cursor (int mode) 467rxvt_term::scr_cursor (cursor_mode mode)
490{ 468{
491 screen_t *s; 469 screen_t *s;
492 470
493#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 471#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
494 if (current_screen == SECONDARY) 472 if (current_screen == SECONDARY)
518 set_font_style (); 496 set_font_style ();
519 break; 497 break;
520 } 498 }
521 499
522 /* boundary check in case screen size changed between SAVE and RESTORE */ 500 /* boundary check in case screen size changed between SAVE and RESTORE */
523 MIN_IT (s->cur.row, nrow - 1); 501 min_it (s->cur.row, nrow - 1);
524 MIN_IT (s->cur.col, ncol - 1); 502 min_it (s->cur.col, ncol - 1);
525#ifdef DEBUG_STRICT 503#ifdef DEBUG_STRICT
526 assert (s->cur.row >= 0); 504 assert (s->cur.row >= 0);
527 assert (s->cur.col >= 0); 505 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 506#endif
532} 507}
533 508
534/* ------------------------------------------------------------------------- */ 509/* ------------------------------------------------------------------------- */
535/* 510/*
546 if (current_screen == scrn) 521 if (current_screen == scrn)
547 return scrn; 522 return scrn;
548 523
549 selection_check (2); /* check for boundary cross */ 524 selection_check (2); /* check for boundary cross */
550 525
551 SWAP_IT (scrn, current_screen, int); 526 int i = current_screen; current_screen = scrn; scrn = i;
552 527
553 SWAP_IT (screen.cur.row, swap.cur.row, int16_t); 528 ::swap (screen.cur.row, swap.cur.row);
554 SWAP_IT (screen.cur.col, swap.cur.col, int16_t); 529 ::swap (screen.cur.col, swap.cur.col);
555 MAX_IT (screen.cur.row, 0); 530
556 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); 531 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
557 MAX_IT (screen.cur.col, 0); 532 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
558 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
559 533
560#if NSCREENS 534#if NSCREENS
561 if (options & Opt_secondaryScreen) 535 if (OPTION (Opt_secondaryScreen))
562 { 536 {
563 num_scr = 0; 537 num_scr = 0;
564 538
565 for (int i = nrow; i--; ) 539 for (int i = prev_nrow; i--; )
566 SWAP_IT (ROW(i), swap_save[i], line_t); 540 ::swap (ROW(i), swap_buf [i]);
567 541
568 SWAP_IT (screen.charset, swap.charset, int16_t); 542 ::swap (screen.charset, swap.charset);
569 SWAP_IT (screen.flags, swap.flags, int); 543 ::swap (screen.flags, swap.flags);
570 screen.flags |= Screen_VisibleCursor; 544 screen.flags |= Screen_VisibleCursor;
571 swap.flags |= Screen_VisibleCursor; 545 swap.flags |= Screen_VisibleCursor;
572 } 546 }
573 else 547 else
574#endif 548#endif
575 if (options & Opt_secondaryScroll) 549 if (OPTION (Opt_secondaryScroll))
576 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 550 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
577 551
578 return scrn; 552 return scrn;
579} 553}
580 554
600 * Change the colour for following text 574 * Change the colour for following text
601 */ 575 */
602void 576void
603rxvt_term::scr_color (unsigned int color, int fgbg) 577rxvt_term::scr_color (unsigned int color, int fgbg)
604{ 578{
605 if (color > maxTermCOLOR) 579 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
606 color = fgbg; 580 color = fgbg;
607 581
608 if (fgbg == Color_fg) 582 if (fgbg == Color_fg)
609 rstyle = SET_FGCOLOR (rstyle, color); 583 rstyle = SET_FGCOLOR (rstyle, color);
610 else 584 else
639 return 0; 613 return 0;
640 614
641 want_refresh = 1; 615 want_refresh = 1;
642 num_scr += count; 616 num_scr += count;
643 617
644 if (row1 == 0 && count > 0 618 if (count > 0
619 && row1 == 0
645 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 620 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
646 { 621 {
647 nsaved = min (nsaved + count, saveLines); 622 top_row = max (top_row - count, -saveLines);
623
624 // scroll everything up 'count' lines
648 term_start = (term_start + count) % total_rows; 625 term_start = (term_start + count) % total_rows;
649 626
627 // sever bottommost line
628 {
629 line_t &l = ROW(row2 - count);
630 l.is_longer (0);
631 l.touch ();
632 }
633
634 // erase newly scrolled-in lines
635 for (int i = count; i--; )
636 {
637 // basically this is a slightly optimized scr_blank_screen_mem
638 // it is worth the effort on slower machines
639 line_t &l = ROW(nrow - 1 - i);
640
641 scr_blank_line (l, 0, l.l, rstyle);
642
643 l.l = 0;
644 l.f = 0;
645 }
646
647 // now copy lines below the scroll region bottom to the
648 // bottom of the screen again, so they look as if they
649 // hadn't moved.
650 for (int i = nrow; --i > row2; )
651 {
652 line_t &l1 = ROW(i - count);
653 line_t &l2 = ROW(i);
654
655 ::swap (l1, l2);
656 l2.touch ();
657 }
658
659 // move and/or clear selection, if any
650 if (selection.op && current_screen == selection.screen) 660 if (selection.op && current_screen == selection.screen)
651 { 661 {
652 selection.beg.row -= count; 662 selection.beg.row -= count;
653 selection.end.row -= count; 663 selection.end.row -= count;
654 selection.mark.row -= count; 664 selection.mark.row -= count;
655 665
656 selection_check (0); 666 if (selection.beg.row < top_row
657 } 667 || selection.end.row < top_row
658 668 || selection.mark.row < top_row)
659 for (int i = count; i--; )
660 scr_blank_screen_mem (ROW(row2 - i), rstyle);
661
662 if ((options & Opt_scrollWithBuffer)
663 && view_start != 0
664 && view_start != saveLines)
665 scr_page (UP, count);
666 }
667 else
668 {
669 if (selection.op && current_screen == selection.screen)
670 {
671 int i = selection.beg.row;
672 int j = selection.end.row;
673
674 if ((i < row1 && j > row1)
675 || (i < row2 && j > row2)
676 || (i - count < row1 && i >= row1)
677 || (i - count > row2 && i <= row2)
678 || (j - count < row1 && j >= row1)
679 || (j - count > row2 && j <= row2))
680 { 669 {
681 CLEAR_ALL_SELECTION (); 670 CLEAR_ALL_SELECTION ();
682 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 671 selection.op = SELECTION_CLEAR;
683 } 672 }
684 else if (j >= row1 && j <= row2) 673 }
674
675 // finally move the view window, if desired
676 if (OPTION (Opt_scrollWithBuffer)
677 && view_start != 0
678 && view_start != -saveLines)
679 scr_page (UP, count);
680
681 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
682 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
683 }
684 else
685 {
686 if (selection.op && current_screen == selection.screen)
687 {
688 if ((selection.beg.row < row1 && selection.end.row > row1)
689 || (selection.beg.row < row2 && selection.end.row > row2)
690 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
691 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
692 || (selection.end.row - count < row1 && selection.end.row >= row1)
693 || (selection.end.row - count > row2 && selection.end.row <= row2))
694 {
695 CLEAR_ALL_SELECTION ();
696 selection.op = SELECTION_CLEAR;
697 }
698 else if (selection.end.row >= row1 && selection.end.row <= row2)
685 { 699 {
686 /* move selected region too */ 700 /* move selected region too */
687 selection.beg.row -= count; 701 selection.beg.row -= count;
688 selection.end.row -= count; 702 selection.end.row -= count;
689 selection.mark.row -= count; 703 selection.mark.row -= count;
695 // use a simple and robust scrolling algorithm, this 709 // use a simple and robust scrolling algorithm, this
696 // part of scr_scroll_text is not time-critical. 710 // part of scr_scroll_text is not time-critical.
697 711
698 int rows = row2 - row1 + 1; 712 int rows = row2 - row1 + 1;
699 713
714 min_it (count, rows);
715
716 line_t *temp_buf = row_buf + total_rows;
717
700 for (int row = 0; row < rows; row++) 718 for (int row = 0; row < rows; row++)
701 { 719 {
702 buf [row] = ROW(row1 + (row + count + rows) % rows); 720 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
703 721
704 if (!IN_RANGE_EXC (row + count, 0, rows)) 722 if (!IN_RANGE_EXC (row + count, 0, rows))
705 scr_blank_screen_mem (buf [row], rstyle); 723 scr_blank_screen_mem (temp_buf [row], rstyle);
706 } 724 }
707 725
708 for (int row = 0; row < rows; row++) 726 for (int row = 0; row < rows; row++)
709 ROW(row1 + row) = buf [row]; 727 ROW(row1 + row) = temp_buf [row];
710 } 728 }
711 729
712 return count; 730 return count;
713} 731}
714 732
715/* ------------------------------------------------------------------------- */ 733/* ------------------------------------------------------------------------- */
716/* 734/*
717 * Add text given in <str> of length <len> to screen struct 735 * Add text given in <str> of length <len> to screen struct
718 */ 736 */
719void 737void
720rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 738rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)
721{ 739{
722 if (len <= 0) /* sanity */ 740 if (len <= 0) /* sanity */
723 return; 741 return;
724 742
725 unsigned char checksel; 743 unsigned char checksel;
726 unicode_t c; 744 unicode_t c;
727 int row, last_col; 745 int ncol = this->ncol;
728 const unicode_t *strend = str + len; 746 const wchar_t *strend = str + len;
729 747
730 want_refresh = 1; 748 want_refresh = 1;
731 ZERO_SCROLLBACK (); 749 ZERO_SCROLLBACK ();
732 last_col = ncol;
733 750
734 if (nlines > 0) 751 if (minlines > 0)
735 { 752 {
736 nlines += screen.cur.row - screen.bscroll; 753 minlines += screen.cur.row - screen.bscroll;
754
737 if ((nlines > 0) 755 if (minlines > 0
738 && (screen.tscroll == 0) 756 && screen.tscroll == 0
739 && (screen.bscroll == (nrow - 1))) 757 && screen.bscroll == nrow - 1)
740 { 758 {
741 /* _at least_ this many lines need to be scrolled */ 759 /* _at least_ this many lines need to be scrolled */
742 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 760 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
743 screen.cur.row -= nlines; 761 screen.cur.row -= minlines;
744 } 762 }
745 } 763 }
746 764
747#ifdef DEBUG_STRICT 765#ifdef DEBUG_STRICT
748 assert (screen.cur.col < last_col); 766 assert (screen.cur.col < ncol);
749 assert ((screen.cur.row < nrow) 767 assert (screen.cur.row < nrow
750 && (screen.cur.row >= - (int32_t)nsaved)); 768 && screen.cur.row >= top_row);
751#else /* drive with your eyes closed */
752 MIN_IT (screen.cur.col, last_col - 1);
753 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
754 MAX_IT (screen.cur.row, - (int32_t)nsaved);
755#endif 769#endif
756 row = screen.cur.row; 770 int row = screen.cur.row;
757 771
758 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 772 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
759 773
760 line_t *line = &ROW(row); 774 line_t *line = &ROW(row);
761 775
762 while (str < strend) 776 while (str < strend)
763 { 777 {
764 c = *str++; 778 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
765 779
766 if (c < 0x20) 780 if (c < 0x20)
767 if (c == C0_LF) 781 if (c == C0_LF)
768 { 782 {
769 if (!line->is_longer ()) /* XXX: think about this */
770 MAX_IT (line->l, screen.cur.col); 783 max_it (line->l, screen.cur.col);
771 784
772 screen.flags &= ~Screen_WrapNext; 785 screen.flags &= ~Screen_WrapNext;
773 786
774 if (screen.cur.row == screen.bscroll) 787 if (screen.cur.row == screen.bscroll)
775 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 788 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
779 line = &ROW(row); /* _must_ refresh */ 792 line = &ROW(row); /* _must_ refresh */
780 continue; 793 continue;
781 } 794 }
782 else if (c == C0_CR) 795 else if (c == C0_CR)
783 { 796 {
784 if (!line->is_longer ()) /* XXX: think about this */
785 MAX_IT (line->l, screen.cur.col); 797 max_it (line->l, screen.cur.col);
786 798
787 screen.flags &= ~Screen_WrapNext; 799 screen.flags &= ~Screen_WrapNext;
788 screen.cur.col = 0; 800 screen.cur.col = 0;
789 continue; 801 continue;
790 } 802 }
807 CLEAR_SELECTION (); 819 CLEAR_SELECTION ();
808 } 820 }
809 821
810 if (screen.flags & Screen_WrapNext) 822 if (screen.flags & Screen_WrapNext)
811 { 823 {
812 line->set_is_longer ();
813
814 scr_do_wrap (); 824 scr_do_wrap ();
815 825
826 line->l = ncol;
827 line->is_longer (1);
828
816 row = screen.cur.row; 829 row = screen.cur.row;
817 line = &ROW(row); /* _must_ refresh */ 830 line = &ROW(row); /* _must_ refresh */
818 } 831 }
819 832
820 // some utf-8 decoders "decode" surrogate characters: let's fix this. 833 // some utf-8 decoders "decode" surrogate characters: let's fix this.
825 // do wcwidth before further replacements, as wcwidth might return -1 838 // do wcwidth before further replacements, as wcwidth might return -1
826 // for the line drawing characters below as they might be invalid in the current 839 // for the line drawing characters below as they might be invalid in the current
827 // locale. 840 // locale.
828 int width = c < 0x100 ? 1 : wcwidth (c); 841 int width = c < 0x100 ? 1 : wcwidth (c);
829 842
830 if (charsets[screen.charset] == '0') // DEC SPECIAL 843 if (charsets [screen.charset] == '0') // DEC SPECIAL
831 { 844 {
832 // vt100 special graphics and line drawing 845 // vt100 special graphics and line drawing
833 // 5f-7e standard vt100 846 // 5f-7e standard vt100
834 // 40-5e rxvt extension for extra curses acs chars 847 // 40-5e rxvt extension for extra curses acs chars
835 static uint16_t vt100_0[62] = { // 41 .. 7e 848 static uint16_t vt100_0[62] = { // 41 .. 7e
887 } 900 }
888 901
889 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 902 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
890 903
891 // if the character doesn't fit into the remaining columns... 904 // if the character doesn't fit into the remaining columns...
892 if (screen.cur.col > last_col - width && last_col >= width) 905 if (screen.cur.col > ncol - width && ncol >= width)
893 { 906 {
894 // ...output spaces 907 // ...output spaces
895 c = ' '; 908 c = ' ';
896 // and try the same character next loop iteration 909 // and try the same character next loop iteration
897 --str; 910 --str;
898 } 911 }
899 912
913 line->touch ();
914
900 do 915 do
901 { 916 {
902 line->t[screen.cur.col] = c; 917 line->t[screen.cur.col] = c;
903 line->r[screen.cur.col] = rend; 918 line->r[screen.cur.col] = rend;
904 919
905 if (screen.cur.col < last_col - 1) 920 if (screen.cur.col < ncol - 1)
906 screen.cur.col++; 921 screen.cur.col++;
907 else 922 else
908 { 923 {
909 line->l = last_col; 924 line->l = ncol;
910 if (screen.flags & Screen_Autowrap) 925 if (screen.flags & Screen_Autowrap)
911 screen.flags |= Screen_WrapNext; 926 screen.flags |= Screen_WrapNext;
912 break; 927 break;
913 } 928 }
914 929
916 } 931 }
917 while (--width > 0); 932 while (--width > 0);
918 933
919 // pad with spaces when overwriting wide character with smaller one 934 // pad with spaces when overwriting wide character with smaller one
920 if (!width) 935 if (!width)
936 {
937 line->touch ();
938
921 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 939 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
922 { 940 {
923 line->t[c] = ' '; 941 line->t[c] = ' ';
924 line->r[c] = rend; 942 line->r[c] = rend;
925 } 943 }
944 }
926 } 945 }
927 else // width == 0 946 else // width == 0
928 { 947 {
929#if ENABLE_COMBINING 948#if ENABLE_COMBINING
930 // handle combining characters 949 // handle combining characters
931 // we just tag the accent on the previous on-screen character. 950 // we just tag the accent on the previous on-screen character.
932 // this is arguably not correct, but also arguably not wrong. 951 // this is arguably not correct, but also arguably not wrong.
933 // we don't handle double-width characters nicely yet. 952 // we don't handle double-width characters nicely yet.
953 line_t *linep;
934 text_t *tp; 954 text_t *tp;
935 rend_t *rp; 955 rend_t *rp;
936 956
937 if (screen.cur.col > 0) 957 if (screen.cur.col > 0)
938 { 958 {
959 linep = line;
939 tp = line->t + screen.cur.col - 1; 960 tp = line->t + screen.cur.col - 1;
940 rp = line->r + screen.cur.col - 1; 961 rp = line->r + screen.cur.col - 1;
941
942 while (*tp == NOCHAR && tp > line->t)
943 tp--, rp--;
944 } 962 }
945 else if (screen.cur.row > 0 963 else if (screen.cur.row > 0
946 && ROW(screen.cur.row - 1).is_longer ()) 964 && ROW(screen.cur.row - 1).is_longer ())
947 { 965 {
948 line_t *line = &ROW(screen.cur.row - 1); 966 linep = &ROW(screen.cur.row - 1);
949
950 tp = line->t + last_col - 1; 967 tp = line->t + ncol - 1;
951 rp = line->r + last_col - 1; 968 rp = line->r + ncol - 1;
952
953 while (*tp == NOCHAR && tp > line->t)
954 tp--, rp--;
955 } 969 }
956 else 970 else
957 continue; 971 continue;
972
973 linep->touch ();
974
975 while (*tp == NOCHAR && tp > linep->t)
976 tp--, rp--;
958 977
959 // first try to find a precomposed character 978 // first try to find a precomposed character
960 unicode_t n = rxvt_compose (*tp, c); 979 unicode_t n = rxvt_compose (*tp, c);
961 if (n == NOCHAR) 980 if (n == NOCHAR)
962 n = rxvt_composite.compose (*tp, c); 981 n = rxvt_composite.compose (*tp, c);
965 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 984 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
966#endif 985#endif
967 } 986 }
968 } 987 }
969 988
970 if (!line->is_longer ()) /* XXX: think about this */
971 MAX_IT (line->l, screen.cur.col); 989 max_it (line->l, screen.cur.col);
972 990
973#ifdef DEBUG_STRICT 991#ifdef DEBUG_STRICT
974 assert (screen.cur.row >= 0); 992 assert (screen.cur.row >= 0);
975#else /* drive with your eyes closed */
976 MAX_IT (screen.cur.row, 0);
977#endif 993#endif
978} 994}
979 995
980/* ------------------------------------------------------------------------- */ 996/* ------------------------------------------------------------------------- */
981/* 997/*
1020 1036
1021 if (count == 0) 1037 if (count == 0)
1022 return; 1038 return;
1023 else if (count > 0) 1039 else if (count > 0)
1024 { 1040 {
1025 int row = screen.cur.row;
1026
1027 line_t &l = ROW(row); 1041 line_t &l = ROW(screen.cur.row);
1028 rend_t base_rend = l.r[i]; 1042 rend_t base_rend = l.r[i];
1029 ht &= l.t[i] == ' '; 1043 ht &= l.t[i] == ' ';
1030 1044
1031 for (; ++i < ncol; ) 1045 for (; ++i < ncol; )
1032 if (tabs[i]) 1046 if (tabs[i])
1033 { 1047 {
1034 x = i; 1048 x = i;
1049
1035 if (!--count) 1050 if (!--count)
1036 break; 1051 break;
1037 } 1052 }
1038 else 1053 else
1039 ht &= l.t[i] == ' ' 1054 ht &= l.t[i] == ' '
1042 if (count) 1057 if (count)
1043 x = ncol - 1; 1058 x = ncol - 1;
1044 1059
1045 // store horizontal tab commands as characters inside the text 1060 // store horizontal tab commands as characters inside the text
1046 // buffer so they can be selected and pasted. 1061 // buffer so they can be selected and pasted.
1047 if (ht && options & Opt_pastableTabs) 1062 if (ht && OPTION (Opt_pastableTabs))
1048 { 1063 {
1049 base_rend = SET_FONT (base_rend, 0); 1064 base_rend = SET_FONT (base_rend, 0);
1050 1065
1051 if (!l.is_longer ()) /* XXX: think about this */ 1066 l.touch (x);
1052 MAX_IT (l.l, x);
1053 1067
1054 i = screen.cur.col; 1068 i = screen.cur.col;
1055 1069
1056 l.t[i] = '\t'; 1070 l.t[i] = '\t';
1057 l.r[i] = base_rend; 1071 l.r[i] = base_rend;
1107 */ 1121 */
1108#if ENABLE_FRILLS 1122#if ENABLE_FRILLS
1109void 1123void
1110rxvt_term::scr_forwardindex () 1124rxvt_term::scr_forwardindex ()
1111{ 1125{
1112 int row;
1113
1114 if (screen.cur.col < ncol - 1) 1126 if (screen.cur.col < ncol - 1)
1115 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1127 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1116 else 1128 else
1117 { 1129 {
1118 row = screen.cur.row; 1130 line_t &l = ROW(screen.cur.row);
1119 1131
1120 if (ROW(row).is_longer ()) //TODO//FIXME//LEN 1132 l.touch ();
1121 ROW(row).l = ncol; 1133 l.is_longer (0);
1122 1134
1123 scr_gotorc (0, 0, R_RELATIVE); 1135 scr_gotorc (0, 0, R_RELATIVE);
1124 scr_insdel_chars (1, DELETE); 1136 scr_insdel_chars (1, DELETE);
1125 scr_gotorc (0, ncol - 1, R_RELATIVE); 1137 scr_gotorc (0, ncol - 1, R_RELATIVE);
1126 } 1138 }
1136{ 1148{
1137 want_refresh = 1; 1149 want_refresh = 1;
1138 ZERO_SCROLLBACK (); 1150 ZERO_SCROLLBACK ();
1139 1151
1140 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1152 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1141 MAX_IT (screen.cur.col, 0); 1153 clamp_it (screen.cur.col, 0, ncol - 1);
1142 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1143 1154
1144 screen.flags &= ~Screen_WrapNext; 1155 screen.flags &= ~Screen_WrapNext;
1145 1156
1146 if (relative & R_RELATIVE) 1157 if (relative & R_RELATIVE)
1147 { 1158 {
1165 else 1176 else
1166 { 1177 {
1167 if (screen.flags & Screen_Relative) 1178 if (screen.flags & Screen_Relative)
1168 { /* relative origin mode */ 1179 { /* relative origin mode */
1169 screen.cur.row = row + screen.tscroll; 1180 screen.cur.row = row + screen.tscroll;
1170 MIN_IT (screen.cur.row, screen.bscroll); 1181 min_it (screen.cur.row, screen.bscroll);
1171 } 1182 }
1172 else 1183 else
1173 screen.cur.row = row; 1184 screen.cur.row = row;
1174 } 1185 }
1175 1186
1176 MAX_IT (screen.cur.row, 0); 1187 clamp_it (screen.cur.row, 0, nrow - 1);
1177 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1178} 1188}
1179 1189
1180/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1181/* 1191/*
1182 * direction should be UP or DN 1192 * direction should be UP or DN
1197 || (screen.cur.row == screen.tscroll && direction == DN)) 1207 || (screen.cur.row == screen.tscroll && direction == DN))
1198 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1208 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1199 else 1209 else
1200 screen.cur.row += dirn; 1210 screen.cur.row += dirn;
1201 1211
1202 MAX_IT (screen.cur.row, 0); 1212 clamp_it (screen.cur.row, 0, nrow - 1);
1203 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1204 selection_check (0); 1213 selection_check (0);
1205} 1214}
1206 1215
1207/* ------------------------------------------------------------------------- */ 1216/* ------------------------------------------------------------------------- */
1208/* 1217/*
1212 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1221 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1213 */ 1222 */
1214void 1223void
1215rxvt_term::scr_erase_line (int mode) 1224rxvt_term::scr_erase_line (int mode)
1216{ 1225{
1217 unsigned int row, col, num; 1226 unsigned int col, num;
1218 1227
1219 want_refresh = 1; 1228 want_refresh = 1;
1220 ZERO_SCROLLBACK (); 1229 ZERO_SCROLLBACK ();
1221 1230
1222 selection_check (1); 1231 selection_check (1);
1223 1232
1224 row = screen.cur.row; 1233 line_t &line = ROW(screen.cur.row);
1234
1235 line.touch ();
1236 line.is_longer (0);
1225 1237
1226 switch (mode) 1238 switch (mode)
1227 { 1239 {
1228 case 0: /* erase to end of line */ 1240 case 0: /* erase to end of line */
1229 col = screen.cur.col; 1241 col = screen.cur.col;
1230 num = ncol - col; 1242 num = ncol - col;
1231 MIN_IT (ROW(row).l, (int16_t)col); 1243 min_it (line.l, col);
1232 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1244 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1233 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1245 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1234 CLEAR_SELECTION (); 1246 CLEAR_SELECTION ();
1235 break; 1247 break;
1236 case 1: /* erase to beginning of line */ 1248 case 1: /* erase to beginning of line */
1241 CLEAR_SELECTION (); 1253 CLEAR_SELECTION ();
1242 break; 1254 break;
1243 case 2: /* erase whole line */ 1255 case 2: /* erase whole line */
1244 col = 0; 1256 col = 0;
1245 num = ncol; 1257 num = ncol;
1246 ROW(row).l = 0; 1258 line.l = 0;
1247 if (selection.beg.row <= screen.cur.row 1259 if (selection.beg.row <= screen.cur.row
1248 && selection.end.row >= screen.cur.row) 1260 && selection.end.row >= screen.cur.row)
1249 CLEAR_SELECTION (); 1261 CLEAR_SELECTION ();
1250 break; 1262 break;
1251 default: 1263 default:
1252 return; 1264 return;
1253 } 1265 }
1254 1266
1255 scr_blank_line (ROW(row), col, num, rstyle); 1267 scr_blank_line (line, col, num, rstyle);
1256} 1268}
1257 1269
1258/* ------------------------------------------------------------------------- */ 1270/* ------------------------------------------------------------------------- */
1259/* 1271/*
1260 * Erase part of whole of the screen 1272 * Erase part of whole of the screen
1303 CLEAR_SELECTION (); 1315 CLEAR_SELECTION ();
1304 1316
1305 if (row >= nrow) /* Out Of Bounds */ 1317 if (row >= nrow) /* Out Of Bounds */
1306 return; 1318 return;
1307 1319
1308 MIN_IT (num, (nrow - row)); 1320 min_it (num, nrow - row);
1309 1321
1310 if (rstyle & (RS_RVid | RS_Uline)) 1322 if (rstyle & (RS_RVid | RS_Uline))
1311 ren = (rend_t) ~RS_None; 1323 ren = (rend_t) ~RS_None;
1312 else if (GET_BASEBG (rstyle) == Color_bg) 1324 else if (GET_BASEBG (rstyle) == Color_bg)
1313 { 1325 {
1315 CLEAR_ROWS (row, num); 1327 CLEAR_ROWS (row, num);
1316 } 1328 }
1317 else 1329 else
1318 { 1330 {
1319 ren = rstyle & (RS_fgMask | RS_bgMask); 1331 ren = rstyle & (RS_fgMask | RS_bgMask);
1320 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1332 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1321 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1333 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1322 ERASE_ROWS (row, num); 1334 ERASE_ROWS (row, num);
1323 gcvalue.foreground = pix_colors[Color_fg]; 1335 gcvalue.foreground = pix_colors[Color_fg];
1324 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1336 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1325 } 1337 }
1326 1338
1327 for (; num--; row++) 1339 for (; num--; row++)
1328 { 1340 {
1329 scr_blank_screen_mem (ROW (row), rstyle); 1341 scr_blank_screen_mem (ROW(row), rstyle);
1330 ROW (row).l = 0;
1331 scr_blank_line (drawn[row], 0, ncol, ren); 1342 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1332 } 1343 }
1333} 1344}
1334 1345
1335#if ENABLE_FRILLS 1346#if ENABLE_FRILLS
1336void 1347void
1337rxvt_term::scr_erase_savelines () 1348rxvt_term::scr_erase_savelines ()
1338{ 1349{
1339 want_refresh = 1; 1350 want_refresh = 1;
1340 ZERO_SCROLLBACK (); 1351 ZERO_SCROLLBACK ();
1341 1352
1342 nsaved = 0; 1353 top_row = 0;
1343} 1354}
1344#endif 1355#endif
1345 1356
1346/* ------------------------------------------------------------------------- */ 1357/* ------------------------------------------------------------------------- */
1347/* 1358/*
1368 rend_t *r1 = line.r; 1379 rend_t *r1 = line.r;
1369 1380
1370 for (int j = ncol; j--; ) 1381 for (int j = ncol; j--; )
1371 *r1++ = fs; 1382 *r1++ = fs;
1372 1383
1373 line.l = ncol; /* make the `E's selectable */ 1384 line.is_longer (0);
1385 line.touch (ncol);
1374 } 1386 }
1375} 1387}
1376 1388
1377/* ------------------------------------------------------------------------- */ 1389/* ------------------------------------------------------------------------- */
1378/* 1390/*
1421 return; 1433 return;
1422 1434
1423 scr_do_wrap (); 1435 scr_do_wrap ();
1424 1436
1425 selection_check (1); 1437 selection_check (1);
1426 MIN_IT (count, (ncol - screen.cur.col)); 1438 min_it (count, ncol - screen.cur.col);
1427 1439
1428 row = screen.cur.row; 1440 row = screen.cur.row;
1429 1441
1430 line_t *line = &ROW(row); 1442 line_t *line = &ROW(row);
1443
1444 line->touch ();
1445 line->is_longer (0);
1431 1446
1432 switch (insdel) 1447 switch (insdel)
1433 { 1448 {
1434 case INSERT: 1449 case INSERT:
1435 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1450 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1436 { 1451 {
1437 line->t[col] = line->t[col - count]; 1452 line->t[col] = line->t[col - count];
1438 line->r[col] = line->r[col - count]; 1453 line->r[col] = line->r[col - count];
1439 } 1454 }
1440 1455
1441 if (!line->is_longer ()) 1456 line->l = min (line->l + count, ncol);
1442 {
1443 line->l += count;
1444 MIN_IT (line->l, ncol);
1445 }
1446 1457
1447 if (selection.op && current_screen == selection.screen 1458 if (selection.op && current_screen == selection.screen
1448 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1459 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1449 { 1460 {
1450 if (selection.end.row != screen.cur.row 1461 if (selection.end.row != screen.cur.row
1463 1474
1464 case ERASE: 1475 case ERASE:
1465 screen.cur.col += count; /* don't worry if > ncol */ 1476 screen.cur.col += count; /* don't worry if > ncol */
1466 selection_check (1); 1477 selection_check (1);
1467 screen.cur.col -= count; 1478 screen.cur.col -= count;
1479
1480 line->l = max (line->l - count, 0);
1468 scr_blank_line (*line, screen.cur.col, count, rstyle); 1481 scr_blank_line (*line, screen.cur.col, count, rstyle);
1469 break; 1482 break;
1470 1483
1471 case DELETE: 1484 case DELETE:
1472 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1485 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1475 { 1488 {
1476 line->t[col] = line->t[col + count]; 1489 line->t[col] = line->t[col + count];
1477 line->r[col] = line->r[col + count]; 1490 line->r[col] = line->r[col + count];
1478 } 1491 }
1479 1492
1493 line->l = max (line->l - count, 0);
1480 scr_blank_line (*line, ncol - count, count, tr); 1494 scr_blank_line (*line, ncol - count, count, tr);
1481
1482 if (line->is_longer ()) /* break line continuation */
1483 line->l = ncol;
1484
1485 line->l = max (line->l - count, 0);
1486 1495
1487 if (selection.op && current_screen == selection.screen 1496 if (selection.op && current_screen == selection.screen
1488 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1497 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1489 { 1498 {
1490 if (selection.end.row != screen.cur.row 1499 if (selection.end.row != screen.cur.row
1510 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1519 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1511 */ 1520 */
1512void 1521void
1513rxvt_term::scr_scroll_region (int top, int bot) 1522rxvt_term::scr_scroll_region (int top, int bot)
1514{ 1523{
1515 MAX_IT (top, 0); 1524 max_it (top, 0);
1516 MIN_IT (bot, (int)nrow - 1); 1525 min_it (bot, nrow - 1);
1517 1526
1518 if (top > bot) 1527 if (top > bot)
1519 return; 1528 return;
1520 1529
1521 screen.tscroll = top; 1530 screen.tscroll = top;
1602rxvt_term::scr_set_tab (int mode) 1611rxvt_term::scr_set_tab (int mode)
1603{ 1612{
1604 if (mode < 0) 1613 if (mode < 0)
1605 memset (tabs, 0, ncol * sizeof (char)); 1614 memset (tabs, 0, ncol * sizeof (char));
1606 else if (screen.cur.col < ncol) 1615 else if (screen.cur.col < ncol)
1607 tabs[screen.cur.col] = (mode ? 1 : 0); 1616 tabs [screen.cur.col] = !!mode;
1608} 1617}
1609 1618
1610/* ------------------------------------------------------------------------- */ 1619/* ------------------------------------------------------------------------- */
1611/* 1620/*
1612 * Set reverse/normal video 1621 * Set reverse/normal video
1619 XGCValues gcvalue; 1628 XGCValues gcvalue;
1620 1629
1621 if (rvideo != mode) 1630 if (rvideo != mode)
1622 { 1631 {
1623 rvideo = mode; 1632 rvideo = mode;
1624 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1633 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1625#if XPM_BACKGROUND 1634#if XPM_BACKGROUND
1626 if (bgPixmap.pixmap == None) 1635 if (bgPixmap.pixmap == None)
1627#endif 1636#endif
1628#if TRANSPARENT 1637#if TRANSPARENT
1629 if (! (options & Opt_transparent) || am_transparent == 0) 1638 if (! OPTION (Opt_transparent) || am_transparent == 0)
1630#endif 1639#endif
1631 XSetWindowBackground (display->display, vt, 1640 XSetWindowBackground (display->display, vt,
1632 pix_colors[Color_bg]); 1641 pix_colors[Color_bg]);
1633 1642
1634 gcvalue.foreground = pix_colors[Color_fg]; 1643 gcvalue.foreground = pix_colors[Color_fg];
1659 * Set font style 1668 * Set font style
1660 */ 1669 */
1661void 1670void
1662rxvt_term::set_font_style () 1671rxvt_term::set_font_style ()
1663{ 1672{
1673#if 0
1664 switch (charsets[screen.charset]) 1674 switch (charsets [screen.charset])
1665 { 1675 {
1666 case '0': /* DEC Special Character & Line Drawing Set */ 1676 case '0': /* DEC Special Character & Line Drawing Set */
1667 break; 1677 break;
1668 case 'A': /* United Kingdom (UK) */ 1678 case 'A': /* United Kingdom (UK) */
1669 break; 1679 break;
1676 case 'C': /* Finnish character set */ 1686 case 'C': /* Finnish character set */
1677 break; 1687 break;
1678 case 'K': /* German character set */ 1688 case 'K': /* German character set */
1679 break; 1689 break;
1680 } 1690 }
1691#endif
1681} 1692}
1682 1693
1683/* ------------------------------------------------------------------------- */ 1694/* ------------------------------------------------------------------------- */
1684/* 1695/*
1685 * Choose a font 1696 * Choose a font
1725 bool found = false; 1736 bool found = false;
1726 1737
1727 for (int i = 0; i < nrow; i++) 1738 for (int i = 0; i < nrow; i++)
1728 { 1739 {
1729 int col = 0; 1740 int col = 0;
1730 rend_t *drp = drawn[i].r; 1741 rend_t *drp = drawn_buf[i].r;
1731 1742
1732 for (; col < ncol; col++, drp++) 1743 for (; col < ncol; col++, drp++)
1733 if ((*drp & mask) == value) 1744 if ((*drp & mask) == value)
1734 { 1745 {
1735 found = true; 1746 found = true;
1753rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1764rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)
1754{ 1765{
1755 int i; 1766 int i;
1756 row_col_t rc[RC_COUNT]; 1767 row_col_t rc[RC_COUNT];
1757 1768
1758 if (!drawn) /* sanity check */ 1769 if (!drawn_buf) /* sanity check */
1759 return; 1770 return;
1760 1771
1761#ifndef NO_SLOW_LINK_SUPPORT 1772#ifndef NO_SLOW_LINK_SUPPORT
1762 if (refresh_type == FAST_REFRESH && !display->is_local) 1773 if (refresh_type == FAST_REFRESH && !display->is_local)
1763 { 1774 {
1764 y = 0; 1775 y = 0;
1765 eheight = height; 1776 eheight = height;
1766 } 1777 }
1767#endif
1768
1769#ifdef DEBUG_STRICT
1770 x = max (x, 0);
1771 x = min (x, (int)width);
1772 y = max (y, 0);
1773 y = min (y, (int)height);
1774#endif 1778#endif
1775 1779
1776 /* round down */ 1780 /* round down */
1777 rc[PART_BEG].col = Pixel2Col (x); 1781 rc[PART_BEG].col = Pixel2Col (x);
1778 rc[PART_BEG].row = Pixel2Row (y); 1782 rc[PART_BEG].row = Pixel2Row (y);
1781 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1785 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1782 1786
1783 /* sanity checks */ 1787 /* sanity checks */
1784 for (i = PART_BEG; i < RC_COUNT; i++) 1788 for (i = PART_BEG; i < RC_COUNT; i++)
1785 { 1789 {
1786 MIN_IT (rc[i].col, ncol - 1); 1790 min_it (rc[i].col, ncol - 1);
1787 MIN_IT (rc[i].row, nrow - 1); 1791 min_it (rc[i].row, nrow - 1);
1788 } 1792 }
1789 1793
1790 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1794 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1791 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1795 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1796
1797 num_scr_allow = 0;
1792 1798
1793 if (refresh) 1799 if (refresh)
1794 scr_refresh (SLOW_REFRESH); 1800 scr_refresh ();
1795} 1801}
1796 1802
1797/* ------------------------------------------------------------------------- */ 1803/* ------------------------------------------------------------------------- */
1798/* 1804/*
1799 * Refresh the entire screen 1805 * Refresh the entire screen
1807/* ------------------------------------------------------------------------- */ 1813/* ------------------------------------------------------------------------- */
1808/* 1814/*
1809 * Move the display so that the line represented by scrollbar value Y is at 1815 * Move the display so that the line represented by scrollbar value Y is at
1810 * the top of the screen 1816 * the top of the screen
1811 */ 1817 */
1812int 1818void
1813rxvt_term::scr_move_to (int y, int len) 1819rxvt_term::scr_move_to (int y, int len)
1814{ 1820{
1815 long p = 0; 1821 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1816 unsigned int oldviewstart;
1817
1818 oldviewstart = view_start;
1819
1820 if (y < len)
1821 {
1822 p = (nrow + nsaved) * (len - y) / len;
1823 p -= (long) (nrow - 1);
1824 p = max (p, 0);
1825 }
1826
1827 view_start = (unsigned int)min (p, nsaved);
1828
1829 return scr_changeview (oldviewstart);
1830} 1822}
1831 1823
1832/* ------------------------------------------------------------------------- */ 1824/* ------------------------------------------------------------------------- */
1833/* 1825/*
1834 * Page the screen up/down nlines 1826 * Page the screen up/down nlines
1835 * direction should be UP or DN 1827 * direction should be UP or DN
1836 */ 1828 */
1837int 1829bool
1838rxvt_term::scr_page (enum page_dirn direction, int nlines) 1830rxvt_term::scr_page (enum page_dirn direction, int nlines)
1839{ 1831{
1840 int n; 1832 int new_view_start =
1841 unsigned int oldviewstart;
1842
1843 oldviewstart = view_start;
1844
1845 if (direction == UP)
1846 {
1847 n = view_start + nlines;
1848 view_start = min (n, nsaved);
1849 }
1850 else
1851 {
1852 n = view_start - nlines; 1833 direction == UP ? view_start - nlines
1853 view_start = max (n, 0); 1834 : view_start + nlines;
1854 }
1855 1835
1856 return scr_changeview (oldviewstart); 1836 return scr_changeview (new_view_start);
1857} 1837}
1858 1838
1859int 1839bool
1860rxvt_term::scr_changeview (unsigned int oldviewstart) 1840rxvt_term::scr_changeview (int new_view_start)
1861{ 1841{
1842 clamp_it (new_view_start, top_row, 0);
1843
1862 if (view_start != oldviewstart) 1844 if (new_view_start == view_start)
1863 { 1845 return false;
1846
1847 num_scr += new_view_start - view_start;
1848 view_start = new_view_start;
1864 want_refresh = 1; 1849 want_refresh = 1;
1865 num_scr -= (view_start - oldviewstart);
1866 }
1867 1850
1868 return (int) (view_start - oldviewstart); 1851 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1852
1853 return true;
1869} 1854}
1870 1855
1871/* ------------------------------------------------------------------------- */ 1856/* ------------------------------------------------------------------------- */
1872void 1857void
1873rxvt_term::scr_bell () 1858rxvt_term::scr_bell ()
1874{ 1859{
1875#ifndef NO_BELL 1860#ifndef NO_BELL
1876 1861
1877# ifndef NO_MAPALERT 1862# ifndef NO_MAPALERT
1878# ifdef MAPALERT_OPTION 1863# ifdef MAPALERT_OPTION
1879 if (options & Opt_mapAlert) 1864 if (OPTION (Opt_mapAlert))
1880# endif 1865# endif
1881 XMapWindow (display->display, parent[0]); 1866 XMapWindow (display->display, parent[0]);
1882# endif 1867# endif
1883 1868
1884 if (options & Opt_visualBell) 1869 if (OPTION (Opt_visualBell))
1885 { 1870 {
1886 scr_rvideo_mode (!rvideo); /* refresh also done */ 1871 scr_rvideo_mode (!rvideo); /* refresh also done */
1872 display->flush ();
1887 rxvt_usleep (VISUAL_BELL_DURATION); 1873 rxvt_usleep (VISUAL_BELL_DURATION);
1888 scr_rvideo_mode (!rvideo); /* refresh also done */ 1874 scr_rvideo_mode (!rvideo); /* refresh also done */
1889 } 1875 }
1890 else 1876 else
1891 XBell (display->display, 0); 1877 XBell (display->display, 0);
1905 if ((fd = popen_printer ()) == NULL) 1891 if ((fd = popen_printer ()) == NULL)
1906 return; 1892 return;
1907 1893
1908 if (fullhist) 1894 if (fullhist)
1909 { 1895 {
1910 nrows = nrow + nsaved; 1896 nrows = nrow - top_row;
1911 row_start = -nsaved; 1897 row_start = top_row;
1912 } 1898 }
1913 else 1899 else
1914 { 1900 {
1915 nrows = nrow; 1901 nrows = nrow;
1916 row_start = -view_start; 1902 row_start = view_start;
1917 } 1903 }
1918 1904
1919 wctomb (0, 0); 1905 wctomb (0, 0);
1920 1906
1921 for (int r1 = 0; r1 < nrows; r1++) 1907 for (int r1 = 0; r1 < nrows; r1++)
1953 * Refresh the screen 1939 * Refresh the screen
1954 * drawn_text/drawn_rend contain the screen information before the update. 1940 * drawn_text/drawn_rend contain the screen information before the update.
1955 * screen.text/screen.rend contain what the screen will change to. 1941 * screen.text/screen.rend contain what the screen will change to.
1956 */ 1942 */
1957void 1943void
1958rxvt_term::scr_refresh (unsigned char refresh_type) 1944rxvt_term::scr_refresh ()
1959{ 1945{
1960 unsigned char must_clear, /* use draw_string not draw_image_string */ 1946 unsigned char must_clear, /* use draw_string not draw_image_string */
1961 showcursor; /* show the cursor */ 1947 showcursor; /* show the cursor */
1962 int16_t col, row, /* column/row we're processing */ 1948 int16_t col, row, /* column/row we're processing */
1963 ocrow; /* old cursor row */ 1949 ocrow; /* old cursor row */
1964 int i, /* tmp */ 1950 int i; /* tmp */
1965 row_offset; /* basic offset in screen structure */
1966#ifndef NO_CURSORCOLOR 1951#ifndef NO_CURSORCOLOR
1967 rend_t cc1; /* store colours at cursor position (s) */ 1952 rend_t cc1; /* store colours at cursor position (s) */
1968#endif 1953#endif
1969 rend_t *crp; // cursor rendition pointer 1954 rend_t *crp; // cursor rendition pointer
1970 1955
1977 * A: set up vars 1962 * A: set up vars
1978 */ 1963 */
1979 must_clear = 0; 1964 must_clear = 0;
1980 refresh_count = 0; 1965 refresh_count = 0;
1981 1966
1982 row_offset = term_start - view_start;
1983
1984#if XPM_BACKGROUND 1967#if XPM_BACKGROUND
1985 must_clear |= bgPixmap.pixmap != None; 1968 must_clear |= bgPixmap.pixmap != None;
1986#endif 1969#endif
1987#if TRANSPARENT 1970#if TRANSPARENT
1988 must_clear |= (options & Opt_transparent) && am_transparent; 1971 must_clear |= OPTION (Opt_transparent) && am_transparent;
1989#endif 1972#endif
1990 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1973 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1991 1974
1992 /* 1975 /*
1993 * B: reverse any characters which are selected 1976 * B: reverse any characters which are selected
2017 2000
2018 crp = &ROW(screen.cur.row).r[col]; 2001 crp = &ROW(screen.cur.row).r[col];
2019 2002
2020 if (showcursor && focus) 2003 if (showcursor && focus)
2021 { 2004 {
2022 if (options & Opt_cursorUnderline) 2005 if (OPTION (Opt_cursorUnderline))
2023 *crp ^= RS_Uline; 2006 *crp ^= RS_Uline;
2024 else 2007 else
2025 { 2008 {
2026 *crp ^= RS_RVid; 2009 *crp ^= RS_RVid;
2027 2010
2029 cc1 = *crp & (RS_fgMask | RS_bgMask); 2012 cc1 = *crp & (RS_fgMask | RS_bgMask);
2030 if (ISSET_PIXCOLOR (Color_cursor)) 2013 if (ISSET_PIXCOLOR (Color_cursor))
2031 ccol1 = Color_cursor; 2014 ccol1 = Color_cursor;
2032 else 2015 else
2033#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2016#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2034 ccol1 = GET_FGCOLOR (rstyle); 2017 ccol1 = fgcolor_of (rstyle);
2035#else 2018#else
2036 ccol1 = Color_fg; 2019 ccol1 = Color_fg;
2037#endif 2020#endif
2038 if (ISSET_PIXCOLOR (Color_cursor2)) 2021 if (ISSET_PIXCOLOR (Color_cursor2))
2039 ccol2 = Color_cursor2; 2022 ccol2 = Color_cursor2;
2040 else 2023 else
2041#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2024#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2042 ccol2 = GET_BGCOLOR (rstyle); 2025 ccol2 = bgcolor_of (rstyle);
2043#else 2026#else
2044 ccol2 = Color_bg; 2027 ccol2 = Color_bg;
2045#endif 2028#endif
2046 *crp = SET_FGCOLOR (*crp, ccol1); 2029 *crp = SET_FGCOLOR (*crp, ccol1);
2047 *crp = SET_BGCOLOR (*crp, ccol2); 2030 *crp = SET_BGCOLOR (*crp, ccol2);
2052 2035
2053 /* make sure no outline cursor is left around */ 2036 /* make sure no outline cursor is left around */
2054 setoldcursor = 0; 2037 setoldcursor = 0;
2055 if (ocrow != -1) 2038 if (ocrow != -1)
2056 { 2039 {
2057 if (screen.cur.row + view_start != ocrow 2040 if (screen.cur.row - view_start != ocrow
2058 || screen.cur.col != oldcursor.col) 2041 || screen.cur.col != oldcursor.col)
2059 { 2042 {
2060 if (ocrow < nrow 2043 if (ocrow < nrow
2061 && oldcursor.col < ncol) 2044 && oldcursor.col < ncol)
2062 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2045 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2063 2046
2064 if (focus || !showcursor) 2047 if (focus || !showcursor)
2065 oldcursor.row = -1; 2048 oldcursor.row = -1;
2066 else 2049 else
2067 setoldcursor = 1; 2050 setoldcursor = 1;
2070 else if (!focus) 2053 else if (!focus)
2071 setoldcursor = 1; 2054 setoldcursor = 1;
2072 2055
2073 if (setoldcursor) 2056 if (setoldcursor)
2074 { 2057 {
2075 if (screen.cur.row + view_start >= nrow) 2058 if (screen.cur.row - view_start >= nrow)
2076 oldcursor.row = -1; 2059 oldcursor.row = -1;
2077 else 2060 else
2078 { 2061 {
2079 oldcursor.row = screen.cur.row + view_start; 2062 oldcursor.row = screen.cur.row - view_start;
2080 oldcursor.col = screen.cur.col; 2063 oldcursor.col = screen.cur.col;
2081 } 2064 }
2082 } 2065 }
2083 } 2066 }
2084 2067
2068 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2085#if ENABLE_OVERLAY 2069#if ENABLE_OVERLAY
2086 scr_swap_overlay (); 2070 scr_swap_overlay ();
2087#endif 2071#endif
2088 2072
2089#ifndef NO_SLOW_LINK_SUPPORT 2073#ifndef NO_SLOW_LINK_SUPPORT
2090 /* 2074 /*
2091 * D: CopyArea pass - very useful for slower links 2075 * D: CopyArea pass - very useful for slower links
2092 * This has been deliberately kept simple. 2076 * This has been deliberately kept simple.
2093 */ 2077 */
2094 i = num_scr;
2095 if (!display->is_local 2078 if (!display->is_local
2096 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2079 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2097 && abs (num_scr) < nrow && !must_clear) 2080 && abs (num_scr) < nrow && !must_clear)
2098 { 2081 {
2099 int16_t nits; 2082 int16_t nits;
2100 int j; 2083 int j;
2101 int len, wlen; 2084 int len, wlen;
2085 dLocal (int, num_scr);
2102 2086
2103 j = nrow; 2087 j = nrow;
2104 wlen = len = -1; 2088 wlen = len = -1;
2105 row = i > 0 ? 0 : j - 1; 2089 row = i > 0 ? 0 : j - 1;
2106 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2090 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2107 { 2091 {
2108 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2092 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2109 { 2093 {
2110 line_t s = save[(row + row_offset) % total_rows]; 2094 line_t s = ROW(view_start + row);
2111 line_t d = drawn[row]; 2095 line_t d = drawn_buf[row];
2112 line_t d2 = drawn[row + i]; 2096 line_t d2 = drawn_buf[row + i];
2113 2097
2114 for (nits = 0, col = ncol; col--; ) 2098 for (nits = 0, col = ncol; col--; )
2115 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2099 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2116 nits--; 2100 nits--;
2117 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2101 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2135 2119
2136 if (len != -1) 2120 if (len != -1)
2137 { 2121 {
2138 /* also comes here at end if needed because of >= above */ 2122 /* also comes here at end if needed because of >= above */
2139 if (wlen < len) 2123 if (wlen < len)
2140 SWAP_IT (wlen, len, int); 2124 ::swap (wlen, len);
2141 2125
2142 XCopyArea (display->display, vt, vt, 2126 XCopyArea (display->display, vt, vt,
2143 gc, 0, Row2Pixel (len + i), 2127 gc, 0, Row2Pixel (len + i),
2144 (unsigned int)TermWin_TotalWidth (), 2128 (unsigned int)this->width,
2145 (unsigned int)Height2Pixel (wlen - len + 1), 2129 (unsigned int)Height2Pixel (wlen - len + 1),
2146 0, Row2Pixel (len)); 2130 0, Row2Pixel (len));
2147 len = -1; 2131 len = -1;
2148 } 2132 }
2149 } 2133 }
2153 /* 2137 /*
2154 * E: main pass across every character 2138 * E: main pass across every character
2155 */ 2139 */
2156 for (row = 0; row < nrow; row++) 2140 for (row = 0; row < nrow; row++)
2157 { 2141 {
2158 text_t *stp = save[(row + row_offset) % total_rows].t; 2142 text_t *stp = ROW(view_start + row).t;
2159 rend_t *srp = save[(row + row_offset) % total_rows].r; 2143 rend_t *srp = ROW(view_start + row).r;
2160 text_t *dtp = drawn[row].t; 2144 text_t *dtp = drawn_buf[row].t;
2161 rend_t *drp = drawn[row].r; 2145 rend_t *drp = drawn_buf[row].r;
2162 2146
2163 /* 2147 /*
2164 * E2: OK, now the real pass 2148 * E2: OK, now the real pass
2165 */ 2149 */
2166 int ypixel = (int)Row2Pixel (row); 2150 int ypixel = (int)Row2Pixel (row);
2228 count++, i--; 2212 count++, i--;
2229 2213
2230 /* 2214 /*
2231 * Determine the attributes for the string 2215 * Determine the attributes for the string
2232 */ 2216 */
2233 int fore = GET_FGCOLOR (rend); // desired foreground 2217 int fore = fgcolor_of (rend); // desired foreground
2234 int back = GET_BGCOLOR (rend); // desired background 2218 int back = bgcolor_of (rend); // desired background
2235 2219
2236 // only do special processing if any attributes are set, which is rare 2220 // only do special processing if any attributes are set, which is unlikely
2237 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2221 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2238 { 2222 {
2239#if ENABLE_STYLES 2223#if ENABLE_STYLES
2240 // force redraw after "careful" characters to avoid pixel droppings 2224 // force redraw after "careful" characters to avoid pixel droppings
2241 if (srp[col] & RS_Careful && col < ncol - 1 && 0) 2225 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
2277 fore = Color_UL; 2261 fore = Color_UL;
2278#endif 2262#endif
2279 2263
2280 if (invert) 2264 if (invert)
2281 { 2265 {
2282 SWAP_IT (fore, back, int); 2266 ::swap (fore, back);
2283 2267
2284#ifndef NO_BOLD_UNDERLINE_REVERSE 2268#ifndef NO_BOLD_UNDERLINE_REVERSE
2285 if (ISSET_PIXCOLOR (Color_RV)) 2269 if (ISSET_PIXCOLOR (Color_RV))
2286 back = Color_RV; 2270 back = Color_RV;
2287 2271
2352 } /* for (row....) */ 2336 } /* for (row....) */
2353 2337
2354#if ENABLE_OVERLAY 2338#if ENABLE_OVERLAY
2355 scr_swap_overlay (); 2339 scr_swap_overlay ();
2356#endif 2340#endif
2341 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2357 2342
2358 /* 2343 /*
2359 * G: cleanup cursor and display outline cursor if necessary 2344 * G: cleanup cursor and display outline cursor if necessary
2360 */ 2345 */
2361 if (showcursor) 2346 if (showcursor)
2362 { 2347 {
2363 if (focus) 2348 if (focus)
2364 { 2349 {
2365 if (options & Opt_cursorUnderline) 2350 if (OPTION (Opt_cursorUnderline))
2366 *crp ^= RS_Uline; 2351 *crp ^= RS_Uline;
2367 else 2352 else
2368 { 2353 {
2369 *crp ^= RS_RVid; 2354 *crp ^= RS_RVid;
2370#ifndef NO_CURSORCOLOR 2355#ifndef NO_CURSORCOLOR
2379 2364
2380 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2365 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2381 col--; 2366 col--;
2382 2367
2383 while (col + cursorwidth < ncol 2368 while (col + cursorwidth < ncol
2384 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2369 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2385 cursorwidth++; 2370 cursorwidth++;
2386 2371
2387#ifndef NO_CURSORCOLOR 2372#ifndef NO_CURSORCOLOR
2388 if (ISSET_PIXCOLOR (Color_cursor)) 2373 if (ISSET_PIXCOLOR (Color_cursor))
2389 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2374 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
2400 /* 2385 /*
2401 * H: cleanup selection 2386 * H: cleanup selection
2402 */ 2387 */
2403 scr_reverse_selection (); 2388 scr_reverse_selection ();
2404 2389
2405 if (refresh_type & SMOOTH_REFRESH)
2406 XFlush (display->display);
2407
2408 num_scr = 0; 2390 num_scr = 0;
2409 num_scr_allow = 1; 2391 num_scr_allow = 1;
2410} 2392}
2411 2393
2412void 2394void
2413rxvt_term::scr_remap_chars (const line_t &l) 2395rxvt_term::scr_remap_chars (line_t &l)
2414{ 2396{
2415 if (!l.t) 2397 if (!l.t)
2416 return; 2398 return;
2417 2399
2400 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2401
2418 for (int i = ncol; i--; ) 2402 for (int i = ncol; i--; )
2419 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2403 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2420} 2404}
2421 2405
2422void 2406void
2423rxvt_term::scr_remap_chars () 2407rxvt_term::scr_remap_chars ()
2424{ 2408{
2425 for (int i = total_rows; i--; ) 2409 for (int i = total_rows; i--; )
2426 scr_remap_chars (save[i]); 2410 scr_remap_chars (row_buf [i]);
2427 2411
2428 for (int i = nrow; i--; ) 2412 for (int i = nrow; i--; )
2429 { 2413 {
2430 scr_remap_chars (drawn[i]); 2414 scr_remap_chars (drawn_buf [i]);
2431 scr_remap_chars (swap_save[i]); 2415 scr_remap_chars (swap_buf [i]);
2432 } 2416 }
2433} 2417}
2434 2418
2435void 2419void
2436rxvt_term::scr_recolour () 2420rxvt_term::scr_recolour ()
2474 2458
2475 if (really) 2459 if (really)
2476 XClearWindow (display->display, vt); 2460 XClearWindow (display->display, vt);
2477} 2461}
2478 2462
2463void
2464rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
2465{
2466 int view_end = view_start + nrow;
2467 int row, col;
2468
2469 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2470 {
2471 text_t *stp = ROW(row).t;
2472 rend_t *srp = ROW(row).r;
2473
2474 for (col = beg_col; col < end_col; col++)
2475 srp[col] ^= rstyle1;
2476
2477 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2478 srp[col] ^= rstyle2;
2479
2480 if (++col < end_col)
2481 srp[col] ^= rstyle2;
2482 }
2483}
2484
2485void
2486rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
2487{
2488 int view_end = view_start + nrow;
2489 int row, col;
2490
2491 if (beg_row >= view_start)
2492 {
2493 col = beg_col;
2494 row = beg_row;
2495 }
2496 else
2497 {
2498 col = 0;
2499 row = view_start;
2500 }
2501
2502 for (; row < min (end_row, view_end); row++, col = 0)
2503 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2504 srp[col] ^= rstyle;
2505
2506 if (row == end_row)
2507 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2508 srp[col] ^= rstyle;
2509}
2510
2479/* ------------------------------------------------------------------------- */ 2511/* ------------------------------------------------------------------------- */
2480void 2512void
2481rxvt_term::scr_reverse_selection () 2513rxvt_term::scr_reverse_selection ()
2482{ 2514{
2483 if (selection.op 2515 if (selection.op
2484 && current_screen == selection.screen 2516 && current_screen == selection.screen
2485 && selection.end.row >= -view_start) 2517 && selection.end.row >= view_start)
2486 { 2518 {
2487 int view_end = -view_start + nrow;
2488 int row, col;
2489
2490#if ENABLE_FRILLS 2519#if ENABLE_FRILLS
2491 if (selection.rect) 2520 if (selection.rect)
2492 { 2521 scr_xor_rect (selection.beg.row, selection.beg.col,
2493 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2522 selection.end.row, selection.end.col,
2494 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) 2523 RS_RVid, RS_RVid | RS_Uline);
2495 srp[col] ^= RS_RVid;
2496 }
2497 else 2524 else
2498#endif 2525#endif
2499 { 2526 scr_xor_span (selection.beg.row, selection.beg.col,
2500 if (selection.beg.row >= -view_start) 2527 selection.end.row, selection.end.col,
2501 { 2528 RS_RVid);
2502 col = selection.beg.col;
2503 row = selection.beg.row;
2504 }
2505 else
2506 {
2507 col = 0;
2508 row = view_start;
2509 }
2510
2511 for (; row < min (selection.end.row, view_end); row++, col = 0)
2512 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2513 srp[col] ^= RS_RVid;
2514
2515 if (row == selection.end.row)
2516 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2517 srp[col] ^= RS_RVid;
2518 }
2519 } 2529 }
2520} 2530}
2521 2531
2522/* ------------------------------------------------------------------------- */ 2532/* ------------------------------------------------------------------------- */
2523/* 2533/*
2533 char r1[] = "\n"; 2543 char r1[] = "\n";
2534 2544
2535 for (row = saveLines - nsaved; 2545 for (row = saveLines - nsaved;
2536 row < saveLines + nrow - 1; row++) 2546 row < saveLines + nrow - 1; row++)
2537 { 2547 {
2538 width = save[row].l >= 0 ? save[row].l 2548 width = row_buf[row].l >= 0 ? row_buf[row].l
2539 : ncol; 2549 : ncol;
2540 for (towrite = width; towrite; towrite -= wrote) 2550 for (towrite = width; towrite; towrite -= wrote)
2541 { 2551 {
2542 wrote = write (fd, & (save[row].t[width - towrite]), 2552 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2543 towrite); 2553 towrite);
2544 if (wrote < 0) 2554 if (wrote < 0)
2545 return; /* XXX: death, no report */ 2555 return; /* XXX: death, no report */
2546 } 2556 }
2547 if (save[row].l >= 0) 2557 if (row_buf[row].l >= 0)
2548 if (write (fd, r1, 1) <= 0) 2558 if (write (fd, r1, 1) <= 0)
2549 return; /* XXX: death, no report */ 2559 return; /* XXX: death, no report */
2550 } 2560 }
2551} 2561}
2552#endif 2562#endif
2561 2571
2562 if (!selection.op) 2572 if (!selection.op)
2563 return; 2573 return;
2564 2574
2565 pos.row = pos.col = 0; 2575 pos.row = pos.col = 0;
2566 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2576 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2567 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2577 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2568 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2578 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2569 || (check_more == 1 2579 || (check_more == 1
2570 && current_screen == selection.screen 2580 && current_screen == selection.screen
2571 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2581 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2572 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2582 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2573 || (check_more == 2 2583 || (check_more == 2
2584/* ------------------------------------------------------------------------- */ 2594/* ------------------------------------------------------------------------- */
2585/* 2595/*
2586 * Paste a selection direct to the command fd 2596 * Paste a selection direct to the command fd
2587 */ 2597 */
2588void 2598void
2589rxvt_term::paste (unsigned char *data, unsigned int len) 2599rxvt_term::paste (char *data, unsigned int len)
2590{ 2600{
2591 /* convert normal newline chars into common keyboard Return key sequence */ 2601 /* convert normal newline chars into common keyboard Return key sequence */
2592 for (unsigned int i = 0; i < len; i++) 2602 for (unsigned int i = 0; i < len; i++)
2593 if (data[i] == C0_LF) 2603 if (data[i] == C0_LF)
2594 data[i] = C0_CR; 2604 data[i] = C0_CR;
2738 { 2748 {
2739 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2749 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2740 char *s = rxvt_wcstombs (w); 2750 char *s = rxvt_wcstombs (w);
2741 free (w); 2751 free (w);
2742 // TODO: strlen == only the first element will be converted. well... 2752 // TODO: strlen == only the first element will be converted. well...
2743 paste ((unsigned char *)s, strlen (s)); 2753 paste (s, strlen (s));
2744 free (s); 2754 free (s);
2745 } 2755 }
2746 else 2756 else
2747#endif 2757#endif
2748 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2758 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2749 && cl) 2759 && cl)
2750 { 2760 {
2751 for (int i = 0; i < cr; i++) 2761 for (int i = 0; i < cr; i++)
2752 paste ((unsigned char *)cl[i], strlen (cl[i])); 2762 paste (cl[i], strlen (cl[i]));
2753 2763
2754 XFreeStringList (cl); 2764 XFreeStringList (cl);
2755 } 2765 }
2756 else 2766 else
2757 paste (ct.value, ct.nitems); // paste raw 2767 paste ((char *)ct.value, ct.nitems); // paste raw
2758 2768
2759bailout: 2769bailout:
2760 XFree (ct.value); 2770 XFree (ct.value);
2761 2771
2762 if (selection_wait == Sel_normal) 2772 if (selection_wait == Sel_normal)
2792 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2802 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2793 * will auto fallback to CUT_BUFFER0 2803 * will auto fallback to CUT_BUFFER0
2794 * EXT: button 2 release 2804 * EXT: button 2 release
2795 */ 2805 */
2796void 2806void
2797rxvt_term::selection_request (Time tm, int x, int y) 2807rxvt_term::selection_request (Time tm)
2798{ 2808{
2799 if (x < 0 || x >= width || y < 0 || y >= height)
2800 return; /* outside window */
2801
2802 if (selection.text) 2809 if (selection.text)
2803 { /* internal selection */ 2810 { /* internal selection */
2804 char *str = rxvt_wcstombs (selection.text, selection.len); 2811 char *str = rxvt_wcstombs (selection.text, selection.len);
2805 paste ((unsigned char *)str, strlen (str)); 2812 paste (str, strlen (str));
2806 free (str); 2813 free (str);
2807 return; 2814 return;
2808 } 2815 }
2809 else 2816 else
2810 { 2817 {
2902 selection.op = SELECTION_DONE; 2909 selection.op = SELECTION_DONE;
2903 2910
2904 if (selection.clicks == 4) 2911 if (selection.clicks == 4)
2905 return; /* nothing selected, go away */ 2912 return; /* nothing selected, go away */
2906 2913
2914 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2915 return;
2916
2907 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2917 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2908 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2918 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2909 2919
2910 int ofs = 0; 2920 int ofs = 0;
2911 int extra = 0; 2921 int extra = 0;
2923 col = selection.beg.col; 2933 col = selection.beg.col;
2924 end_col = ncol + 1; 2934 end_col = ncol + 1;
2925 } 2935 }
2926 else 2936 else
2927#endif 2937#endif
2928 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2938 end_col = ROW(row).l;
2929 2939
2930 col = max (col, 0); 2940 col = max (col, 0);
2931 2941
2932 if (row == selection.end.row || selection.rect) 2942 if (row == selection.end.row
2943#if ENABLE_FRILLS
2944 || selection.rect
2945#endif
2946 )
2933 end_col = min (end_col, selection.end.col); 2947 min_it (end_col, selection.end.col);
2934 2948
2935 t = ROW(row).t + col; 2949 t = ROW(row).t + col;
2950
2936 for (; col < end_col; col++) 2951 for (; col < end_col; col++)
2937 { 2952 {
2938 if (*t == NOCHAR) 2953 if (*t == NOCHAR)
2939 t++; 2954 t++;
2940#if ENABLE_COMBINING 2955#if ENABLE_COMBINING
2956#endif 2971#endif
2957 else 2972 else
2958 new_selection_text[ofs++] = *t++; 2973 new_selection_text[ofs++] = *t++;
2959 } 2974 }
2960 2975
2976#if ENABLE_FRILLS
2977 if (selection.rect)
2978 {
2979 while (ofs
2980 && new_selection_text[ofs - 1] != C0_LF
2981 && unicode::is_space (new_selection_text[ofs - 1]))
2982 --ofs;
2983
2984 new_selection_text[ofs++] = C0_LF;
2985 }
2986 else
2987#endif
2961 if (!ROW(row).is_longer () && row != selection.end.row) 2988 if (!ROW(row).is_longer () && row != selection.end.row)
2962 new_selection_text[ofs++] = C0_LF; 2989 new_selection_text[ofs++] = C0_LF;
2963 } 2990 }
2964 2991
2965 if (end_col != selection.end.col) 2992 if (end_col != selection.end.col)
2966 new_selection_text[ofs++] = C0_LF; 2993 new_selection_text[ofs++] = C0_LF;
2967 2994
2977 3004
2978 // we usually allocate much more than necessary, so realloc it smaller again 3005 // we usually allocate much more than necessary, so realloc it smaller again
2979 selection.len = ofs; 3006 selection.len = ofs;
2980 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3007 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2981 3008
3009 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3010 return;
3011
3012 selection_grab (tm);
3013}
3014
3015bool
3016rxvt_term::selection_grab (Time tm)
3017{
3018 selection_time = tm;
3019
2982 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3020 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2983 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3021 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3022 {
2984 display->set_selection_owner (this); 3023 display->set_selection_owner (this);
3024 return true;
3025 }
2985 else 3026 else
2986 rxvt_warn ("can't get primary selection, ignoring.\n"); 3027 {
3028 selection_clear ();
3029 return false;
3030 }
2987 3031
2988#if 0 3032#if 0
2989 XTextProperty ct; 3033 XTextProperty ct;
2990 3034
2991 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3035 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2992 { 3036 {
2993 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3037 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2994 XFree (ct.value); 3038 XFree (ct.value);
2995 } 3039 }
2996#endif 3040#endif
2997
2998 selection_time = tm;
2999} 3041}
3000 3042
3001/* ------------------------------------------------------------------------- */ 3043/* ------------------------------------------------------------------------- */
3002/* 3044/*
3003 * Mark or select text based upon number of clicks: 1, 2, or 3 3045 * Mark or select text based upon number of clicks: 1, 2, or 3
3007rxvt_term::selection_click (int clicks, int x, int y) 3049rxvt_term::selection_click (int clicks, int x, int y)
3008{ 3050{
3009 clicks = ((clicks - 1) % 3) + 1; 3051 clicks = ((clicks - 1) % 3) + 1;
3010 selection.clicks = clicks; /* save clicks so extend will work */ 3052 selection.clicks = clicks; /* save clicks so extend will work */
3011 3053
3054 if (clicks == 2 && !selection.rect
3055 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3056 {
3057 MEvent.clicks = 1; // what a mess
3058 selection.screen = current_screen;
3059 selection.op = SELECTION_CONT;
3060 return;
3061 }
3062
3012 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3063 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3013 3064
3014 if (clicks == 2 || clicks == 3) 3065 if (clicks == 2 || clicks == 3)
3015 selection_extend_colrow (selection.mark.col, 3066 selection_extend_colrow (selection.mark.col,
3016 selection.mark.row + view_start, 3067 selection.mark.row - view_start,
3017 0, /* button 3 */ 3068 0, /* button 3 */
3018 1, /* button press */ 3069 1, /* button press */
3019 0); /* click change */ 3070 0); /* click change */
3020} 3071}
3021 3072
3026void 3077void
3027rxvt_term::selection_start_colrow (int col, int row) 3078rxvt_term::selection_start_colrow (int col, int row)
3028{ 3079{
3029 want_refresh = 1; 3080 want_refresh = 1;
3030 3081
3031 selection.mark.row = row - view_start; 3082 selection.mark.row = row + view_start;
3032 selection.mark.col = col; 3083 selection.mark.col = col;
3033 3084
3034 selection.mark.row = min (max (selection.mark.row, -nsaved), nrow - 1); 3085 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3035 selection.mark.col = min (max (selection.mark.col, 0), ncol - 1); 3086 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3036 3087
3037 while (selection.mark.col > 0 3088 while (selection.mark.col > 0
3038 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3089 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3039 --selection.mark.col; 3090 --selection.mark.col;
3040 3091
3067 text_t *stp; 3118 text_t *stp;
3068 rend_t *srp; 3119 rend_t *srp;
3069 3120
3070 if (dirn == UP) 3121 if (dirn == UP)
3071 { 3122 {
3072 bound.row = - nsaved - 1; 3123 bound.row = top_row - 1;
3073 bound.col = 0; 3124 bound.col = 0;
3074 dirnadd = -1; 3125 dirnadd = -1;
3075 } 3126 }
3076 else 3127 else
3077 { 3128 {
3125 } 3176 }
3126 } 3177 }
3127 break; 3178 break;
3128 } 3179 }
3129 3180
3130Old_Word_Selection_You_Die:
3131 if (dirn == DN) 3181 if (dirn == DN)
3132 col++; /* put us on one past the end */ 3182 col++; /* put us on one past the end */
3133 3183
3134 /* Poke the values back in */ 3184 /* Poke the values back in */
3135 ret->row = row; 3185 ret->row = row;
3145 * flag == 2 ==> button 3 motion 3195 * flag == 2 ==> button 3 motion
3146 */ 3196 */
3147void 3197void
3148rxvt_term::selection_extend (int x, int y, int flag) 3198rxvt_term::selection_extend (int x, int y, int flag)
3149{ 3199{
3150 int col = min (max (Pixel2Col (x), 0), nrow - 1); 3200 int col = clamp (Pixel2Col (x), 0, ncol);
3151 int row = min (max (Pixel2Row (y), 0), ncol); 3201 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3152 3202
3153 /* 3203 /*
3154 * If we're selecting characters (single click) then we must check first 3204 * If we're selecting characters (single click) then we must check first
3155 * if we are at the same place as the original mark. If we are then 3205 * if we are at the same place as the original mark. If we are then
3156 * select nothing. Otherwise, if we're to the right of the mark, you have to 3206 * select nothing. Otherwise, if we're to the right of the mark, you have to
3157 * be _past_ a character for it to be selected. 3207 * be _past_ a character for it to be selected.
3158 */ 3208 */
3159 if (((selection.clicks % 3) == 1) && !flag 3209 if (((selection.clicks % 3) == 1) && !flag
3160 && (col == selection.mark.col 3210 && (col == selection.mark.col
3161 && (row == selection.mark.row + view_start))) 3211 && (row == selection.mark.row - view_start)))
3162 { 3212 {
3163 /* select nothing */ 3213 /* select nothing */
3164 selection.beg.row = selection.end.row = 0; 3214 selection.beg.row = selection.end.row = 0;
3165 selection.beg.col = selection.end.col = 0; 3215 selection.beg.col = selection.end.col = 0;
3166 selection.clicks = 4; 3216 selection.clicks = 4;
3221 selection.beg.col = selection.end.col = selection.mark.col; 3271 selection.beg.col = selection.end.col = selection.mark.col;
3222 selection.beg.row = selection.end.row = selection.mark.row; 3272 selection.beg.row = selection.end.row = selection.mark.row;
3223 } 3273 }
3224 3274
3225 pos.col = col; 3275 pos.col = col;
3226 pos.row = row - view_start; 3276 pos.row = view_start + row;
3227 3277
3228 /* 3278 /*
3229 * This is mainly xterm style selection with a couple of differences, mainly 3279 * This is mainly xterm style selection with a couple of differences, mainly
3230 * in the way button3 drag extension works. 3280 * in the way button3 drag extension works.
3231 * We're either doing: button1 drag; button3 press; or button3 drag 3281 * We're either doing: button1 drag; button3 press; or button3 drag
3318 selection_delimit_word (DN, &selection.end, &selection.end); 3368 selection_delimit_word (DN, &selection.end, &selection.end);
3319 } 3369 }
3320 else if (selection.clicks == 3) 3370 else if (selection.clicks == 3)
3321 { 3371 {
3322#if ENABLE_FRILLS 3372#if ENABLE_FRILLS
3323 if (options & Opt_tripleclickwords) 3373 if (OPTION (Opt_tripleclickwords))
3324 { 3374 {
3325 selection_delimit_word (UP, &selection.beg, &selection.beg); 3375 selection_delimit_word (UP, &selection.beg, &selection.beg);
3326 3376
3327 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3377 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3328 { 3378 {
3369 } 3419 }
3370 } 3420 }
3371 3421
3372#if ENABLE_FRILLS 3422#if ENABLE_FRILLS
3373 if (selection.rect && selection.beg.col > selection.end.col) 3423 if (selection.rect && selection.beg.col > selection.end.col)
3374 SWAP_IT (selection.beg.col, selection.end.col, int); 3424 ::swap (selection.beg.col, selection.end.col);
3375#endif 3425#endif
3376} 3426}
3377 3427
3378#if ENABLE_FRILLS 3428#if ENABLE_FRILLS
3379void 3429void
3389 { 3439 {
3390 stp = ROW(end_row).t; 3440 stp = ROW(end_row).t;
3391 3441
3392 while (--end_col >= 0) 3442 while (--end_col >= 0)
3393 { 3443 {
3394 if (stp[end_col] != ' ' 3444 if (stp[end_col] != NOCHAR
3395 && stp[end_col] != '\t' 3445 && !unicode::is_space (stp[end_col]))
3396 && stp[end_col] != NOCHAR)
3397 break; 3446 break;
3398 } 3447 }
3399 3448
3400 if (end_col >= 0 3449 if (end_col >= 0
3401 || !ROW(end_row - 1).is_longer ()) 3450 || !ROW(end_row - 1).is_longer ())
3577 */ 3626 */
3578void 3627void
3579rxvt_term::pixel_position (int *x, int *y) 3628rxvt_term::pixel_position (int *x, int *y)
3580{ 3629{
3581 *x = Pixel2Col (*x); 3630 *x = Pixel2Col (*x);
3582 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3631 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3583 *y = Pixel2Row (*y); 3632 *y = Pixel2Row (*y);
3584 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3633 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3585} 3634}
3586 3635
3587/* ------------------------------------------------------------------------- */ 3636/* ------------------------------------------------------------------------- */
3588#ifdef USE_XIM 3637#ifdef USE_XIM
3589void 3638void
3600 3649
3601#if ENABLE_OVERLAY 3650#if ENABLE_OVERLAY
3602void 3651void
3603rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3652rxvt_term::scr_overlay_new (int x, int y, int w, int h)
3604{ 3653{
3605 if (nrow < 3 || ncol < 3) 3654 if (nrow < 1 || ncol < 1)
3606 return; 3655 return;
3607 3656
3608 want_refresh = 1; 3657 want_refresh = 1;
3609 3658
3610 scr_overlay_off (); 3659 scr_overlay_off ();
3611 3660
3612 if (x < 0) x = ncol - w; 3661 if (x < 0) x = ncol - w;
3613 if (y < 0) y = nrow - h; 3662 if (y < 0) y = nrow - h;
3614 3663
3615 // make space for border 3664 // make space for border
3616 w += 2; MIN_IT (w, ncol); 3665 w += 2; min_it (w, ncol);
3617 h += 2; MIN_IT (h, nrow); 3666 h += 2; min_it (h, nrow);
3618 3667
3619 x -= 1; MAX_IT (x, 0); 3668 x -= 1; clamp_it (x, 0, ncol - w);
3620 y -= 1; MAX_IT (y, 0); 3669 y -= 1; clamp_it (y, 0, nrow - h);
3621
3622 MIN_IT (x, ncol - w);
3623 MIN_IT (y, nrow - h);
3624 3670
3625 ov_x = x; ov_y = y; 3671 ov_x = x; ov_y = y;
3626 ov_w = w; ov_h = h; 3672 ov_w = w; ov_h = h;
3627 3673
3628 ov_text = new text_t *[h]; 3674 ov_text = new text_t *[h];
3720 for (int y = ov_h; y--; ) 3766 for (int y = ov_h; y--; )
3721 { 3767 {
3722 text_t *t1 = ov_text[y]; 3768 text_t *t1 = ov_text[y];
3723 rend_t *r1 = ov_rend[y]; 3769 rend_t *r1 = ov_rend[y];
3724 3770
3725 text_t *t2 = ROW(y - view_start).t + ov_x; 3771 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3726 rend_t *r2 = ROW(y - view_start).r + ov_x; 3772 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3727 3773
3728 for (int x = ov_w; x--; ) 3774 for (int x = ov_w; x--; )
3729 { 3775 {
3730 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3776 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3731 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3777 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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