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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.185 by root, Wed Dec 21 14:25:41 2005 UTC vs.
Revision 1.245 by root, Fri Jan 20 10:35:25 2006 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*--------------------------------*-C-*--------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */ 31#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 32
32#include <inttypes.h> 33#include <inttypes.h>
33 34
… …
46 47
47/* ------------------------------------------------------------------------- * 48/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 50 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 51#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 52 if (OPTION (Opt_scrollTtyOutput)) \
52 view_start = 0 53 view_start = 0
53#define CLEAR_SELECTION() \ 54#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 57#define CLEAR_ALL_SELECTION() \
… …
114 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
116 117
117/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
118void 119void
119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 120rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120{ 121{
121 if (!l.t) 122 if (!l.t)
122 { 123 {
123 lalloc (l); 124 lalloc (l);
124 col = 0; 125 col = 0;
125 width = ncol; 126 width = ncol;
126 } 127 }
127 128
129 l.touch ();
130
128 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
129 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
130 133
131 text_t *et = l.t + col; 134 text_t *et = l.t + col;
132 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
… …
139} 142}
140 143
141/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
142/* 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 */
143void 146void
144rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
145{ 148{
146 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
147} 153}
148 154
149/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
152void 159void
153rxvt_term::scr_reset () 160rxvt_term::scr_reset ()
154{ 161{
155 unsigned int p, q;
156 int k;
157
158#if ENABLE_OVERLAY 162#if ENABLE_OVERLAY
159 scr_overlay_off (); 163 scr_overlay_off ();
160#endif 164#endif
161 165
162 view_start = 0; 166 view_start = 0;
… …
172 return; 176 return;
173 177
174 // we need at least two lines for wrapping to work correctly 178 // we need at least two lines for wrapping to work correctly
175 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
176 { 180 {
181 //TODO//FIXME
177 saveLines++; 182 saveLines++;
178 prev_nrow--; 183 prev_nrow--;
179 nsaved++; 184 top_row--;
180 } 185 }
181 186
182 want_refresh = 1; 187 want_refresh = 1;
183 188
184 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
185 total_rows = nrow + saveLines; 190 total_rows = nrow + saveLines;
186 191
187 screen.tscroll = 0; 192 screen.tscroll = 0;
188 screen.bscroll = nrow - 1; 193 screen.bscroll = nrow - 1;
189 194
190 if (!save) 195 if (!row_buf)
191 { 196 {
192 /* 197 /*
193 * 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
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */ 199 */
196 nsaved = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
197 term_start = 0; 201 term_start = 0;
198 202
199 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
200 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
201 205
202 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
203 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
204 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 209
207 for (p = nrow; p--; ) 210 for (int row = nrow; row--; )
208 { 211 {
209 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
210 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
211 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 214 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
212 } 215 }
213 216
214 memset (charsets, 'B', sizeof (charsets)); 217 memset (charsets, 'B', sizeof (charsets));
215 rstyle = DEFAULT_RSTYLE; 218 rstyle = DEFAULT_RSTYLE;
216 screen.flags = Screen_DefaultFlags; 219 screen.flags = Screen_DefaultFlags;
… …
231 selection.text = NULL; 234 selection.text = NULL;
232 selection.len = 0; 235 selection.len = 0;
233 selection.op = SELECTION_CLEAR; 236 selection.op = SELECTION_CLEAR;
234 selection.screen = PRIMARY; 237 selection.screen = PRIMARY;
235 selection.clicks = 0; 238 selection.clicks = 0;
236 CLEAR_ALL_SELECTION ();
237 rvideo = 0; 239 rvideo = 0;
238 } 240 }
239 else 241 else
240 { 242 {
241 /* 243 /*
242 * add or delete rows as appropriate 244 * add or delete rows as appropriate
243 */ 245 */
244 246
245 rxvt_salloc *old_ta; 247 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
246 rxvt_salloc *old_ra; 248 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
247 249
250#if 0
248 if (nrow < prev_nrow) 251 if (nrow < prev_nrow)
249 { 252 {
250 /* delete rows */
251 k = min (nsaved, prev_nrow - nrow);
252 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
253 scr_scroll_text (0, (int)prev_nrow - 1, k);
254
255 for (p = nrow; p < prev_nrow; p++) 253 for (int row = nrow; row < prev_nrow; row++)
256 { 254 {
257 lfree (ROW(p));
258 lfree (swap_save[p]); 255 lfree (swap_buf [row]);
259 lfree (drawn[p]); 256 lfree (drawn_buf[row]);
260 } 257 }
258 }
259#endif
261 260
262 /* we have fewer rows so fix up cursor position */ 261 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
263 min_it (screen.cur.row, (int32_t)nrow - 1); 262 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
264 263
265 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));
266 } 278
267 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
268 { 291 do
269 /* add rows */
270 scr_reset_realloc (); /* realloc _first_ */
271
272 int ocol = ncol;
273 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
274
275 k = min (nsaved, nrow - prev_nrow);
276
277 for (p = prev_total_rows; p < total_rows; p++)
278 save[p].clear ();
279
280 for (p = prev_total_rows; p < total_rows - k; p++)
281 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
282
283 for (p = prev_nrow; p < nrow; p++)
284 { 292 {
285 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 293 p = MOD (p - 1, prev_total_rows);
286 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
287 }
288
289 if (k > 0)
290 {
291 scr_scroll_text (0, (int)nrow - 1, -k);
292 screen.cur.row += k;
293 screen.s_cur.row += k;
294 nsaved -= k;
295 }
296
297#ifdef DEBUG_STRICT 294#ifdef DEBUG_STRICT
298 assert (screen.cur.row < nrow); 295 assert (old_buf [MOD (p, prev_total_rows)].t);
299#else /* drive with your eyes closed */
300 min_it (screen.cur.row, nrow - 1);
301#endif 296#endif
302 ncol = ocol; // save b/c scr_blank_screen_mem uses this
303 }
304
305 /* resize columns */
306 if (ncol != prev_ncol)
307 {
308 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
309 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
310
311 for (p = total_rows; p--; )
312 lresize (save[p]);
313
314 for (p = nrow; p--; )
315 {
316 lresize (drawn[p]);
317 lresize (swap_save[p]);
318 }
319
320 min_it (screen.cur.col, (int16_t)ncol - 1);
321
322 delete old_ta;
323 delete old_ra;
324 }
325
326#if 0
327 // re-wrap lines, this is rather ugly, possibly because I am too dumb
328 // to come up with a lean and mean algorithm.
329 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
330 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
331
332 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
333 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
334 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
335
336 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D
337
338 p = prev_total_rows;
339 q = total_rows;
340
341 while (p > 0 && q > 0)
342 {
343 --p;
344
345 printf ("pq %d:%d\n", p, q);
346 if (save[p].t)
347 {
348 int llen = save[p].l; 297 int plines = 1;
298 int llen = old_buf [MOD (p, prev_total_rows)].l;
349 299
350 assert (llen >= 0); 300 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
351
352 while (p && save[p - 1].l < 0)
353 { 301 {
302 p = MOD (p - 1, prev_total_rows);
303
354 --p; 304 plines++;
355 llen += prev_ncol; 305 llen += prev_ncol;
356 } 306 }
357 307
358 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
359 int lofs = 0; 316 int lofs = 0;
317 line_t *qline;
360 318
361 q -= qlines; 319 // re-assemble the full line by destination lines
362
363 int qrow = q;
364
365 printf ("QL %d llen %d\n", qlines, llen);//D
366 for (; qlines--; qrow++) 320 for (int qrow = q; qlines--; qrow++)
367 { 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
368 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)
369 { 335 {
370 tp [qrow] = (text_t *)ta->alloc ();
371 rp [qrow] = (rend_t *)ra->alloc ();
372 tl [qrow] = LINE_CONT1;
373
374 int qcol = 0;
375
376 for (;;)
377 {
378 int prow = lofs / prev_ncol + p; 336 int prow = lofs / prev_ncol;
379 int pcol = lofs % prev_ncol; 337 int pcol = lofs % prev_ncol;
380 338
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
381 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 350 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
382 351
383 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
384
385 if (len <= 0)
386 {
387 tl [qrow] = qcol;
388
389 TODO
390 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
391 ncol - qcol, DEFAULT_RSTYLE);
392
393 break;
394 }
395
396 assert (lofs < 1000); 353 assert (len);
354 assert (pline.t);
355#endif
397 356
398 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 357 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
399 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 358 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
400 359
401 lofs += len; 360 lofs += len;
402 qcol += len; 361 qcol += len;
403
404 if (qcol == ncol)
405 break;
406 }
407 } 362 }
408 else
409 lofs += ncol;
410 } 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);
411 } 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
412 } 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];
413 386
414 free (screen.text); screen.text = tp; 387 qline = pline;
415 free (screen.rend); screen.rend = rp; 388 lresize (qline);
416 free (screen.tlen); screen.tlen = tl; 389 }
417 390
418 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++)
419#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);
420 405
421 if (tabs) 406 if (tabs)
422 free (tabs); 407 free (tabs);
423 } 408 }
424 409
410 CLEAR_ALL_SELECTION ();
411
425 prev_nrow = nrow; 412 prev_nrow = nrow;
426 prev_ncol = ncol; 413 prev_ncol = ncol;
427 414
428 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 415 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
429 416
430 for (p = 0; p < ncol; p++) 417 for (int col = ncol; col--; )
431 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 418 tabs [col] = col % TABSIZE == 0;
432 419
433 tt_winch (); 420 tt_winch ();
434}
435 421
436void 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
437rxvt_term::scr_reset_realloc ()
438{
439 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
440 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
441 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
442 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
443} 423}
444 424
445/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
446/* 426/*
447 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
448 */ 428 */
449void 429void
450rxvt_term::scr_release () 430rxvt_term::scr_release () NOTHROW
451{ 431{
452 delete talloc; talloc = 0; 432 delete talloc; talloc = 0;
453 delete ralloc; ralloc = 0; 433 delete ralloc; ralloc = 0;
454 434
455 free (save); 435 free (row_buf);
456 free (swap_save); 436 free (swap_buf);
457 free (drawn); 437 free (drawn_buf);
458 free (buf);
459 free (tabs); 438 free (tabs);
439
440 row_buf = 0; // signal that we freed all the arrays
460} 441}
461 442
462/* ------------------------------------------------------------------------- */ 443/* ------------------------------------------------------------------------- */
463/* 444/*
464 * Hard reset 445 * Hard reset
465 */ 446 */
466void 447void
467rxvt_term::scr_poweron () 448rxvt_term::scr_poweron () NOTHROW
468{ 449{
469 scr_release (); 450 scr_release ();
470 prev_nrow = prev_ncol = 0; 451 prev_nrow = prev_ncol = 0;
471 scr_reset (); 452 scr_reset ();
472 453
473 scr_clear (true); 454 scr_clear (true);
474 scr_refresh (SLOW_REFRESH); 455 scr_refresh ();
475} 456}
476 457
477/* ------------------------------------------------------------------------- * 458/* ------------------------------------------------------------------------- *
478 * PROCESS SCREEN COMMANDS * 459 * PROCESS SCREEN COMMANDS *
479 * ------------------------------------------------------------------------- */ 460 * ------------------------------------------------------------------------- */
… …
481 * Save and Restore cursor 462 * Save and Restore cursor
482 * XTERM_SEQ: Save cursor : ESC 7 463 * XTERM_SEQ: Save cursor : ESC 7
483 * XTERM_SEQ: Restore cursor: ESC 8 464 * XTERM_SEQ: Restore cursor: ESC 8
484 */ 465 */
485void 466void
486rxvt_term::scr_cursor (int mode) 467rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
487{ 468{
488 screen_t *s; 469 screen_t *s;
489 470
490#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 471#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
491 if (current_screen == SECONDARY) 472 if (current_screen == SECONDARY)
… …
520 min_it (s->cur.row, nrow - 1); 501 min_it (s->cur.row, nrow - 1);
521 min_it (s->cur.col, ncol - 1); 502 min_it (s->cur.col, ncol - 1);
522#ifdef DEBUG_STRICT 503#ifdef DEBUG_STRICT
523 assert (s->cur.row >= 0); 504 assert (s->cur.row >= 0);
524 assert (s->cur.col >= 0); 505 assert (s->cur.col >= 0);
525#else /* drive with your eyes closed */
526 max_it (s->cur.row, 0);
527 max_it (s->cur.col, 0);
528#endif 506#endif
529} 507}
530 508
531/* ------------------------------------------------------------------------- */ 509/* ------------------------------------------------------------------------- */
532/* 510/*
533 * Swap between primary and secondary screens 511 * Swap between primary and secondary screens
534 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 512 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
535 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 513 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
536 */ 514 */
537int 515int
538rxvt_term::scr_change_screen (int scrn) 516rxvt_term::scr_change_screen (int scrn) NOTHROW
539{ 517{
540 want_refresh = 1; 518 want_refresh = 1;
541 view_start = 0; 519 view_start = 0;
542 520
543 if (current_screen == scrn) 521 if (current_screen == scrn)
… …
552 530
553 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1); 531 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
554 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1); 532 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
555 533
556#if NSCREENS 534#if NSCREENS
557 if (options & Opt_secondaryScreen) 535 if (OPTION (Opt_secondaryScreen))
558 { 536 {
559 num_scr = 0; 537 num_scr = 0;
560 538
561 for (int i = nrow; i--; ) 539 for (int i = prev_nrow; i--; )
562 ::swap (ROW(i), swap_save[i]); 540 ::swap (ROW(i), swap_buf [i]);
563 541
564 ::swap (screen.charset, swap.charset); 542 ::swap (screen.charset, swap.charset);
565 ::swap (screen.flags, swap.flags); 543 ::swap (screen.flags, swap.flags);
566 screen.flags |= Screen_VisibleCursor; 544 screen.flags |= Screen_VisibleCursor;
567 swap.flags |= Screen_VisibleCursor; 545 swap.flags |= Screen_VisibleCursor;
568 } 546 }
569 else 547 else
570#endif 548#endif
571 if (options & Opt_secondaryScroll) 549 if (OPTION (Opt_secondaryScroll))
572 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 550 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
573 551
574 return scrn; 552 return scrn;
575} 553}
576 554
577// clear WrapNext indicator, solidifying position on next line 555// clear WrapNext indicator, solidifying position on next line
578void 556void
579rxvt_term::scr_do_wrap () 557rxvt_term::scr_do_wrap () NOTHROW
580{ 558{
581 if (!(screen.flags & Screen_WrapNext)) 559 if (!(screen.flags & Screen_WrapNext))
582 return; 560 return;
583 561
584 screen.flags &= ~Screen_WrapNext; 562 screen.flags &= ~Screen_WrapNext;
… …
594/* ------------------------------------------------------------------------- */ 572/* ------------------------------------------------------------------------- */
595/* 573/*
596 * Change the colour for following text 574 * Change the colour for following text
597 */ 575 */
598void 576void
599rxvt_term::scr_color (unsigned int color, int fgbg) 577rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
600{ 578{
601 if (color > maxTermCOLOR) 579 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
602 color = fgbg; 580 color = fgbg;
603 581
604 if (fgbg == Color_fg) 582 if (fgbg == Color_fg)
605 rstyle = SET_FGCOLOR (rstyle, color); 583 rstyle = SET_FGCOLOR (rstyle, color);
606 else 584 else
… …
610/* ------------------------------------------------------------------------- */ 588/* ------------------------------------------------------------------------- */
611/* 589/*
612 * Change the rendition style for following text 590 * Change the rendition style for following text
613 */ 591 */
614void 592void
615rxvt_term::scr_rendition (int set, int style) 593rxvt_term::scr_rendition (int set, int style) NOTHROW
616 { 594 {
617 if (set) 595 if (set)
618 rstyle |= style; 596 rstyle |= style;
619 else if (style == ~RS_None) 597 else if (style == ~RS_None)
620 rstyle = DEFAULT_RSTYLE; 598 rstyle = DEFAULT_RSTYLE;
… …
627 * Scroll text between <row1> and <row2> inclusive, by <count> lines 605 * Scroll text between <row1> and <row2> inclusive, by <count> lines
628 * count positive ==> scroll up 606 * count positive ==> scroll up
629 * count negative ==> scroll down 607 * count negative ==> scroll down
630 */ 608 */
631int 609int
632rxvt_term::scr_scroll_text (int row1, int row2, int count) 610rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
633{ 611{
634 if (count == 0 || (row1 > row2)) 612 if (count == 0 || (row1 > row2))
635 return 0; 613 return 0;
636 614
637 want_refresh = 1; 615 want_refresh = 1;
638 num_scr += count; 616 num_scr += count;
639 617
640 if (count > 0 618 if (count > 0
641 && row1 == 0 619 && row1 == 0
642 && row2 == nrow - 1
643 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 620 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
644 { 621 {
645 nsaved = min (nsaved + count, saveLines); 622 top_row = max (top_row - count, -saveLines);
623
624 // scroll everything up 'count' lines
646 term_start = (term_start + count) % total_rows; 625 term_start = (term_start + count) % total_rows;
647 626
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
648 if (selection.op && current_screen == selection.screen) 660 if (selection.op && current_screen == selection.screen)
649 { 661 {
650 selection.beg.row -= count; 662 selection.beg.row -= count;
651 selection.end.row -= count; 663 selection.end.row -= count;
652 selection.mark.row -= count; 664 selection.mark.row -= count;
653 665
654 selection_check (0); 666 if (selection.beg.row < top_row
655 } 667 || selection.end.row < top_row
656 668 || selection.mark.row < top_row)
657 for (int i = count; i--; )
658 scr_blank_screen_mem (ROW(row2 - i), rstyle);
659
660 if ((options & Opt_scrollWithBuffer)
661 && view_start != 0
662 && view_start != saveLines)
663 scr_page (UP, count);
664 }
665 else
666 {
667 if (selection.op && current_screen == selection.screen)
668 {
669 int i = selection.beg.row;
670 int j = selection.end.row;
671
672 if ((i < row1 && j > row1)
673 || (i < row2 && j > row2)
674 || (i - count < row1 && i >= row1)
675 || (i - count > row2 && i <= row2)
676 || (j - count < row1 && j >= row1)
677 || (j - count > row2 && j <= row2))
678 { 669 {
679 CLEAR_ALL_SELECTION (); 670 CLEAR_ALL_SELECTION ();
680 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 671 selection.op = SELECTION_CLEAR;
681 } 672 }
682 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)
683 { 699 {
684 /* move selected region too */ 700 /* move selected region too */
685 selection.beg.row -= count; 701 selection.beg.row -= count;
686 selection.end.row -= count; 702 selection.end.row -= count;
687 selection.mark.row -= count; 703 selection.mark.row -= count;
… …
693 // use a simple and robust scrolling algorithm, this 709 // use a simple and robust scrolling algorithm, this
694 // part of scr_scroll_text is not time-critical. 710 // part of scr_scroll_text is not time-critical.
695 711
696 int rows = row2 - row1 + 1; 712 int rows = row2 - row1 + 1;
697 713
714 min_it (count, rows);
715
716 line_t *temp_buf = row_buf + total_rows;
717
698 for (int row = 0; row < rows; row++) 718 for (int row = 0; row < rows; row++)
699 { 719 {
700 buf [row] = ROW(row1 + (row + count + rows) % rows); 720 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
701 721
702 if (!IN_RANGE_EXC (row + count, 0, rows)) 722 if (!IN_RANGE_EXC (row + count, 0, rows))
703 scr_blank_screen_mem (buf [row], rstyle); 723 scr_blank_screen_mem (temp_buf [row], rstyle);
704 } 724 }
705 725
706 for (int row = 0; row < rows; row++) 726 for (int row = 0; row < rows; row++)
707 ROW(row1 + row) = buf [row]; 727 ROW(row1 + row) = temp_buf [row];
708 } 728 }
709 729
710 return count; 730 return count;
711} 731}
712 732
713/* ------------------------------------------------------------------------- */ 733/* ------------------------------------------------------------------------- */
714/* 734/*
715 * Add text given in <str> of length <len> to screen struct 735 * Add text given in <str> of length <len> to screen struct
716 */ 736 */
717void 737void
718rxvt_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) NOTHROW
719{ 739{
720 if (len <= 0) /* sanity */ 740 if (len <= 0) /* sanity */
721 return; 741 return;
722 742
723 unsigned char checksel; 743 unsigned char checksel;
724 unicode_t c; 744 unicode_t c;
725 int row, last_col; 745 int ncol = this->ncol;
726 const unicode_t *strend = str + len; 746 const wchar_t *strend = str + len;
727 747
728 want_refresh = 1; 748 want_refresh = 1;
729 ZERO_SCROLLBACK (); 749 ZERO_SCROLLBACK ();
730 last_col = ncol;
731 750
732 if (nlines > 0) 751 if (minlines > 0)
733 { 752 {
734 nlines += screen.cur.row - screen.bscroll; 753 minlines += screen.cur.row - screen.bscroll;
754
735 if ((nlines > 0) 755 if (minlines > 0
736 && (screen.tscroll == 0) 756 && screen.tscroll == 0
737 && (screen.bscroll == (nrow - 1))) 757 && screen.bscroll == nrow - 1)
738 { 758 {
739 /* _at least_ this many lines need to be scrolled */ 759 /* _at least_ this many lines need to be scrolled */
740 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 760 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
741 screen.cur.row -= nlines; 761 screen.cur.row -= minlines;
742 } 762 }
743 } 763 }
744 764
745#ifdef DEBUG_STRICT 765#ifdef DEBUG_STRICT
746 assert (screen.cur.col < last_col); 766 assert (screen.cur.col < ncol);
747 assert ((screen.cur.row < nrow) 767 assert (screen.cur.row < nrow
748 && (screen.cur.row >= - (int32_t)nsaved)); 768 && screen.cur.row >= top_row);
749#else /* drive with your eyes closed */
750 min_it (screen.cur.col, last_col - 1);
751 min_it (screen.cur.row, (int32_t)nrow - 1);
752 max_it (screen.cur.row, - (int32_t)nsaved);
753#endif 769#endif
754 row = screen.cur.row; 770 int row = screen.cur.row;
755 771
756 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 772 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
757 773
758 line_t *line = &ROW(row); 774 line_t *line = &ROW(row);
759 775
760 while (str < strend) 776 while (str < strend)
761 { 777 {
762 c = *str++; 778 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
763 779
764 if (c < 0x20) 780 if (c < 0x20)
765 if (c == C0_LF) 781 if (c == C0_LF)
766 { 782 {
767 if (!line->is_longer ()) /* XXX: think about this */
768 max_it (line->l, screen.cur.col); 783 max_it (line->l, screen.cur.col);
769 784
770 screen.flags &= ~Screen_WrapNext; 785 screen.flags &= ~Screen_WrapNext;
771 786
772 if (screen.cur.row == screen.bscroll) 787 if (screen.cur.row == screen.bscroll)
773 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 788 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
… …
777 line = &ROW(row); /* _must_ refresh */ 792 line = &ROW(row); /* _must_ refresh */
778 continue; 793 continue;
779 } 794 }
780 else if (c == C0_CR) 795 else if (c == C0_CR)
781 { 796 {
782 if (!line->is_longer ()) /* XXX: think about this */
783 max_it (line->l, screen.cur.col); 797 max_it (line->l, screen.cur.col);
784 798
785 screen.flags &= ~Screen_WrapNext; 799 screen.flags &= ~Screen_WrapNext;
786 screen.cur.col = 0; 800 screen.cur.col = 0;
787 continue; 801 continue;
788 } 802 }
… …
805 CLEAR_SELECTION (); 819 CLEAR_SELECTION ();
806 } 820 }
807 821
808 if (screen.flags & Screen_WrapNext) 822 if (screen.flags & Screen_WrapNext)
809 { 823 {
810 line->set_is_longer ();
811
812 scr_do_wrap (); 824 scr_do_wrap ();
813 825
826 line->l = ncol;
827 line->is_longer (1);
828
814 row = screen.cur.row; 829 row = screen.cur.row;
815 line = &ROW(row); /* _must_ refresh */ 830 line = &ROW(row); /* _must_ refresh */
816 } 831 }
817 832
818 // some utf-8 decoders "decode" surrogate characters: let's fix this. 833 // some utf-8 decoders "decode" surrogate characters: let's fix this.
… …
823 // do wcwidth before further replacements, as wcwidth might return -1 838 // do wcwidth before further replacements, as wcwidth might return -1
824 // 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
825 // locale. 840 // locale.
826 int width = c < 0x100 ? 1 : wcwidth (c); 841 int width = c < 0x100 ? 1 : wcwidth (c);
827 842
828 if (charsets[screen.charset] == '0') // DEC SPECIAL 843 if (charsets [screen.charset] == '0') // DEC SPECIAL
829 { 844 {
830 // vt100 special graphics and line drawing 845 // vt100 special graphics and line drawing
831 // 5f-7e standard vt100 846 // 5f-7e standard vt100
832 // 40-5e rxvt extension for extra curses acs chars 847 // 40-5e rxvt extension for extra curses acs chars
833 static uint16_t vt100_0[62] = { // 41 .. 7e 848 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
885 } 900 }
886 901
887 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 902 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
888 903
889 // if the character doesn't fit into the remaining columns... 904 // if the character doesn't fit into the remaining columns...
890 if (screen.cur.col > last_col - width && last_col >= width) 905 if (screen.cur.col > ncol - width && ncol >= width)
891 { 906 {
892 // ...output spaces 907 // ...output spaces
893 c = ' '; 908 c = ' ';
894 // and try the same character next loop iteration 909 // and try the same character next loop iteration
895 --str; 910 --str;
896 } 911 }
897 912
913 line->touch ();
914
898 do 915 do
899 { 916 {
900 line->t[screen.cur.col] = c; 917 line->t[screen.cur.col] = c;
901 line->r[screen.cur.col] = rend; 918 line->r[screen.cur.col] = rend;
902 919
903 if (screen.cur.col < last_col - 1) 920 if (screen.cur.col < ncol - 1)
904 screen.cur.col++; 921 screen.cur.col++;
905 else 922 else
906 { 923 {
907 line->l = last_col; 924 line->l = ncol;
908 if (screen.flags & Screen_Autowrap) 925 if (screen.flags & Screen_Autowrap)
909 screen.flags |= Screen_WrapNext; 926 screen.flags |= Screen_WrapNext;
910 break; 927 break;
911 } 928 }
912 929
… …
914 } 931 }
915 while (--width > 0); 932 while (--width > 0);
916 933
917 // pad with spaces when overwriting wide character with smaller one 934 // pad with spaces when overwriting wide character with smaller one
918 if (!width) 935 if (!width)
936 {
937 line->touch ();
938
919 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++)
920 { 940 {
921 line->t[c] = ' '; 941 line->t[c] = ' ';
922 line->r[c] = rend; 942 line->r[c] = rend;
923 } 943 }
944 }
924 } 945 }
925 else // width == 0 946 else // width == 0
926 { 947 {
927#if ENABLE_COMBINING 948#if ENABLE_COMBINING
928 // handle combining characters 949 // handle combining characters
929 // we just tag the accent on the previous on-screen character. 950 // we just tag the accent on the previous on-screen character.
930 // this is arguably not correct, but also arguably not wrong. 951 // this is arguably not correct, but also arguably not wrong.
931 // we don't handle double-width characters nicely yet. 952 // we don't handle double-width characters nicely yet.
953 line_t *linep;
932 text_t *tp; 954 text_t *tp;
933 rend_t *rp; 955 rend_t *rp;
934 956
935 if (screen.cur.col > 0) 957 if (screen.cur.col > 0)
936 { 958 {
959 linep = line;
937 tp = line->t + screen.cur.col - 1; 960 tp = line->t + screen.cur.col - 1;
938 rp = line->r + screen.cur.col - 1; 961 rp = line->r + screen.cur.col - 1;
939
940 while (*tp == NOCHAR && tp > line->t)
941 tp--, rp--;
942 } 962 }
943 else if (screen.cur.row > 0 963 else if (screen.cur.row > 0
944 && ROW(screen.cur.row - 1).is_longer ()) 964 && ROW(screen.cur.row - 1).is_longer ())
945 { 965 {
946 line_t *line = &ROW(screen.cur.row - 1); 966 linep = &ROW(screen.cur.row - 1);
947
948 tp = line->t + last_col - 1; 967 tp = line->t + ncol - 1;
949 rp = line->r + last_col - 1; 968 rp = line->r + ncol - 1;
950
951 while (*tp == NOCHAR && tp > line->t)
952 tp--, rp--;
953 } 969 }
954 else 970 else
955 continue; 971 continue;
972
973 linep->touch ();
974
975 while (*tp == NOCHAR && tp > linep->t)
976 tp--, rp--;
956 977
957 // first try to find a precomposed character 978 // first try to find a precomposed character
958 unicode_t n = rxvt_compose (*tp, c); 979 unicode_t n = rxvt_compose (*tp, c);
959 if (n == NOCHAR) 980 if (n == NOCHAR)
960 n = rxvt_composite.compose (*tp, c); 981 n = rxvt_composite.compose (*tp, c);
… …
963 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 984 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
964#endif 985#endif
965 } 986 }
966 } 987 }
967 988
968 if (!line->is_longer ()) /* XXX: think about this */
969 max_it (line->l, screen.cur.col); 989 max_it (line->l, screen.cur.col);
970 990
971#ifdef DEBUG_STRICT 991#ifdef DEBUG_STRICT
972 assert (screen.cur.row >= 0); 992 assert (screen.cur.row >= 0);
973#else /* drive with your eyes closed */
974 max_it (screen.cur.row, 0);
975#endif 993#endif
976} 994}
977 995
978/* ------------------------------------------------------------------------- */ 996/* ------------------------------------------------------------------------- */
979/* 997/*
980 * Process Backspace. Move back the cursor back a position, wrap if have to 998 * Process Backspace. Move back the cursor back a position, wrap if have to
981 * XTERM_SEQ: CTRL-H 999 * XTERM_SEQ: CTRL-H
982 */ 1000 */
983void 1001void
984rxvt_term::scr_backspace () 1002rxvt_term::scr_backspace () NOTHROW
985{ 1003{
986 want_refresh = 1; 1004 want_refresh = 1;
987 1005
988 if (screen.cur.col == 0) 1006 if (screen.cur.col == 0)
989 { 1007 {
… …
1007 * Process Horizontal Tab 1025 * Process Horizontal Tab
1008 * count: +ve = forward; -ve = backwards 1026 * count: +ve = forward; -ve = backwards
1009 * XTERM_SEQ: CTRL-I 1027 * XTERM_SEQ: CTRL-I
1010 */ 1028 */
1011void 1029void
1012rxvt_term::scr_tab (int count, bool ht) 1030rxvt_term::scr_tab (int count, bool ht) NOTHROW
1013{ 1031{
1014 int i, x; 1032 int i, x;
1015 1033
1016 want_refresh = 1; 1034 want_refresh = 1;
1017 i = x = screen.cur.col; 1035 i = x = screen.cur.col;
1018 1036
1019 if (count == 0) 1037 if (count == 0)
1020 return; 1038 return;
1021 else if (count > 0) 1039 else if (count > 0)
1022 { 1040 {
1023 int row = screen.cur.row;
1024
1025 line_t &l = ROW(row); 1041 line_t &l = ROW(screen.cur.row);
1026 rend_t base_rend = l.r[i]; 1042 rend_t base_rend = l.r[i];
1027 ht &= l.t[i] == ' '; 1043 ht &= l.t[i] == ' ';
1028 1044
1029 for (; ++i < ncol; ) 1045 for (; ++i < ncol; )
1030 if (tabs[i]) 1046 if (tabs[i])
1031 { 1047 {
1032 x = i; 1048 x = i;
1049
1033 if (!--count) 1050 if (!--count)
1034 break; 1051 break;
1035 } 1052 }
1036 else 1053 else
1037 ht &= l.t[i] == ' ' 1054 ht &= l.t[i] == ' '
… …
1040 if (count) 1057 if (count)
1041 x = ncol - 1; 1058 x = ncol - 1;
1042 1059
1043 // store horizontal tab commands as characters inside the text 1060 // store horizontal tab commands as characters inside the text
1044 // buffer so they can be selected and pasted. 1061 // buffer so they can be selected and pasted.
1045 if (ht && options & Opt_pastableTabs) 1062 if (ht && OPTION (Opt_pastableTabs))
1046 { 1063 {
1047 base_rend = SET_FONT (base_rend, 0); 1064 base_rend = SET_FONT (base_rend, 0);
1048 1065
1049 if (!l.is_longer ()) /* XXX: think about this */ 1066 l.touch (x);
1050 max_it (l.l, x);
1051 1067
1052 i = screen.cur.col; 1068 i = screen.cur.col;
1053 1069
1054 l.t[i] = '\t'; 1070 l.t[i] = '\t';
1055 l.r[i] = base_rend; 1071 l.r[i] = base_rend;
… …
1086 * Move cursor left in row. If we're at the left boundary, shift everything 1102 * Move cursor left in row. If we're at the left boundary, shift everything
1087 * in that row right. Clear left column. 1103 * in that row right. Clear left column.
1088 */ 1104 */
1089#if ENABLE_FRILLS 1105#if ENABLE_FRILLS
1090void 1106void
1091rxvt_term::scr_backindex () 1107rxvt_term::scr_backindex () NOTHROW
1092{ 1108{
1093 if (screen.cur.col > 0) 1109 if (screen.cur.col > 0)
1094 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1110 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1095 else 1111 else
1096 scr_insdel_chars (1, INSERT); 1112 scr_insdel_chars (1, INSERT);
… …
1103 * Move cursor right in row. If we're at the right boundary, shift everything 1119 * Move cursor right in row. If we're at the right boundary, shift everything
1104 * in that row left. Clear right column. 1120 * in that row left. Clear right column.
1105 */ 1121 */
1106#if ENABLE_FRILLS 1122#if ENABLE_FRILLS
1107void 1123void
1108rxvt_term::scr_forwardindex () 1124rxvt_term::scr_forwardindex () NOTHROW
1109{ 1125{
1110 int row;
1111
1112 if (screen.cur.col < ncol - 1) 1126 if (screen.cur.col < ncol - 1)
1113 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1127 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1114 else 1128 else
1115 { 1129 {
1116 row = screen.cur.row; 1130 line_t &l = ROW(screen.cur.row);
1117 1131
1118 if (ROW(row).is_longer ()) //TODO//FIXME//LEN 1132 l.touch ();
1119 ROW(row).l = ncol; 1133 l.is_longer (0);
1120 1134
1121 scr_gotorc (0, 0, R_RELATIVE); 1135 scr_gotorc (0, 0, R_RELATIVE);
1122 scr_insdel_chars (1, DELETE); 1136 scr_insdel_chars (1, DELETE);
1123 scr_gotorc (0, ncol - 1, R_RELATIVE); 1137 scr_gotorc (0, ncol - 1, R_RELATIVE);
1124 } 1138 }
… …
1128/* ------------------------------------------------------------------------- */ 1142/* ------------------------------------------------------------------------- */
1129/* 1143/*
1130 * Goto Row/Column 1144 * Goto Row/Column
1131 */ 1145 */
1132void 1146void
1133rxvt_term::scr_gotorc (int row, int col, int relative) 1147rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1134{ 1148{
1135 want_refresh = 1; 1149 want_refresh = 1;
1136 ZERO_SCROLLBACK (); 1150 ZERO_SCROLLBACK ();
1137 1151
1138 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1152 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1139 max_it (screen.cur.col, 0);
1140 min_it (screen.cur.col, (int32_t)ncol - 1); 1153 clamp_it (screen.cur.col, 0, ncol - 1);
1141 1154
1142 screen.flags &= ~Screen_WrapNext; 1155 screen.flags &= ~Screen_WrapNext;
1143 1156
1144 if (relative & R_RELATIVE) 1157 if (relative & R_RELATIVE)
1145 { 1158 {
… …
1169 } 1182 }
1170 else 1183 else
1171 screen.cur.row = row; 1184 screen.cur.row = row;
1172 } 1185 }
1173 1186
1174 max_it (screen.cur.row, 0);
1175 min_it (screen.cur.row, (int32_t)nrow - 1); 1187 clamp_it (screen.cur.row, 0, nrow - 1);
1176} 1188}
1177 1189
1178/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1179/* 1191/*
1180 * direction should be UP or DN 1192 * direction should be UP or DN
1181 */ 1193 */
1182void 1194void
1183rxvt_term::scr_index (enum page_dirn direction) 1195rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1184{ 1196{
1185 int dirn; 1197 int dirn;
1186 1198
1187 want_refresh = 1; 1199 want_refresh = 1;
1188 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
… …
1195 || (screen.cur.row == screen.tscroll && direction == DN)) 1207 || (screen.cur.row == screen.tscroll && direction == DN))
1196 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1208 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1197 else 1209 else
1198 screen.cur.row += dirn; 1210 screen.cur.row += dirn;
1199 1211
1200 max_it (screen.cur.row, 0);
1201 min_it (screen.cur.row, (int32_t)nrow - 1); 1212 clamp_it (screen.cur.row, 0, nrow - 1);
1202 selection_check (0); 1213 selection_check (0);
1203} 1214}
1204 1215
1205/* ------------------------------------------------------------------------- */ 1216/* ------------------------------------------------------------------------- */
1206/* 1217/*
… …
1208 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1219 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1209 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1220 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1210 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1221 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1211 */ 1222 */
1212void 1223void
1213rxvt_term::scr_erase_line (int mode) 1224rxvt_term::scr_erase_line (int mode) NOTHROW
1214{ 1225{
1215 unsigned int row, col, num; 1226 unsigned int col, num;
1216 1227
1217 want_refresh = 1; 1228 want_refresh = 1;
1218 ZERO_SCROLLBACK (); 1229 ZERO_SCROLLBACK ();
1219 1230
1220 selection_check (1); 1231 selection_check (1);
1221 1232
1222 row = screen.cur.row; 1233 line_t &line = ROW(screen.cur.row);
1234
1235 line.touch ();
1236 line.is_longer (0);
1223 1237
1224 switch (mode) 1238 switch (mode)
1225 { 1239 {
1226 case 0: /* erase to end of line */ 1240 case 0: /* erase to end of line */
1227 col = screen.cur.col; 1241 col = screen.cur.col;
1228 num = ncol - col; 1242 num = ncol - col;
1229 min_it (ROW(row).l, (int16_t)col); 1243 min_it (line.l, col);
1230 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1244 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1231 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1245 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1232 CLEAR_SELECTION (); 1246 CLEAR_SELECTION ();
1233 break; 1247 break;
1234 case 1: /* erase to beginning of line */ 1248 case 1: /* erase to beginning of line */
… …
1239 CLEAR_SELECTION (); 1253 CLEAR_SELECTION ();
1240 break; 1254 break;
1241 case 2: /* erase whole line */ 1255 case 2: /* erase whole line */
1242 col = 0; 1256 col = 0;
1243 num = ncol; 1257 num = ncol;
1244 ROW(row).l = 0; 1258 line.l = 0;
1245 if (selection.beg.row <= screen.cur.row 1259 if (selection.beg.row <= screen.cur.row
1246 && selection.end.row >= screen.cur.row) 1260 && selection.end.row >= screen.cur.row)
1247 CLEAR_SELECTION (); 1261 CLEAR_SELECTION ();
1248 break; 1262 break;
1249 default: 1263 default:
1250 return; 1264 return;
1251 } 1265 }
1252 1266
1253 scr_blank_line (ROW(row), col, num, rstyle); 1267 scr_blank_line (line, col, num, rstyle);
1254} 1268}
1255 1269
1256/* ------------------------------------------------------------------------- */ 1270/* ------------------------------------------------------------------------- */
1257/* 1271/*
1258 * Erase part of whole of the screen 1272 * Erase part of whole of the screen
1259 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1273 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1260 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1274 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1261 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1275 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1262 */ 1276 */
1263void 1277void
1264rxvt_term::scr_erase_screen (int mode) 1278rxvt_term::scr_erase_screen (int mode) NOTHROW
1265{ 1279{
1266 int num; 1280 int num;
1267 int32_t row; 1281 int32_t row;
1268 rend_t ren; 1282 rend_t ren;
1269 XGCValues gcvalue; 1283 XGCValues gcvalue;
… …
1301 CLEAR_SELECTION (); 1315 CLEAR_SELECTION ();
1302 1316
1303 if (row >= nrow) /* Out Of Bounds */ 1317 if (row >= nrow) /* Out Of Bounds */
1304 return; 1318 return;
1305 1319
1306 min_it (num, (nrow - row)); 1320 min_it (num, nrow - row);
1307 1321
1308 if (rstyle & (RS_RVid | RS_Uline)) 1322 if (rstyle & (RS_RVid | RS_Uline))
1309 ren = (rend_t) ~RS_None; 1323 ren = (rend_t) ~RS_None;
1310 else if (GET_BASEBG (rstyle) == Color_bg) 1324 else if (GET_BASEBG (rstyle) == Color_bg)
1311 { 1325 {
… …
1313 CLEAR_ROWS (row, num); 1327 CLEAR_ROWS (row, num);
1314 } 1328 }
1315 else 1329 else
1316 { 1330 {
1317 ren = rstyle & (RS_fgMask | RS_bgMask); 1331 ren = rstyle & (RS_fgMask | RS_bgMask);
1318 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1332 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1319 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1333 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1320 ERASE_ROWS (row, num); 1334 ERASE_ROWS (row, num);
1321 gcvalue.foreground = pix_colors[Color_fg]; 1335 gcvalue.foreground = pix_colors[Color_fg];
1322 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1336 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1323 } 1337 }
1324 1338
1325 for (; num--; row++) 1339 for (; num--; row++)
1326 { 1340 {
1327 scr_blank_screen_mem (ROW (row), rstyle); 1341 scr_blank_screen_mem (ROW(row), rstyle);
1328 ROW (row).l = 0;
1329 scr_blank_line (drawn[row], 0, ncol, ren); 1342 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1330 } 1343 }
1331} 1344}
1332 1345
1333#if ENABLE_FRILLS 1346#if ENABLE_FRILLS
1334void 1347void
1335rxvt_term::scr_erase_savelines () 1348rxvt_term::scr_erase_savelines () NOTHROW
1336{ 1349{
1337 want_refresh = 1; 1350 want_refresh = 1;
1338 ZERO_SCROLLBACK (); 1351 ZERO_SCROLLBACK ();
1339 1352
1340 nsaved = 0; 1353 top_row = 0;
1341} 1354}
1342#endif 1355#endif
1343 1356
1344/* ------------------------------------------------------------------------- */ 1357/* ------------------------------------------------------------------------- */
1345/* 1358/*
1346 * Fill the screen with `E's 1359 * Fill the screen with `E's
1347 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1360 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1348 */ 1361 */
1349void 1362void
1350rxvt_term::scr_E () 1363rxvt_term::scr_E () NOTHROW
1351{ 1364{
1352 rend_t fs; 1365 rend_t fs;
1353 1366
1354 want_refresh = 1; 1367 want_refresh = 1;
1355 ZERO_SCROLLBACK (); 1368 ZERO_SCROLLBACK ();
… …
1366 rend_t *r1 = line.r; 1379 rend_t *r1 = line.r;
1367 1380
1368 for (int j = ncol; j--; ) 1381 for (int j = ncol; j--; )
1369 *r1++ = fs; 1382 *r1++ = fs;
1370 1383
1371 line.l = ncol; /* make the `E's selectable */ 1384 line.is_longer (0);
1385 line.touch (ncol);
1372 } 1386 }
1373} 1387}
1374 1388
1375/* ------------------------------------------------------------------------- */ 1389/* ------------------------------------------------------------------------- */
1376/* 1390/*
1377 * Insert/Delete <count> lines 1391 * Insert/Delete <count> lines
1378 */ 1392 */
1379void 1393void
1380rxvt_term::scr_insdel_lines (int count, int insdel) 1394rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1381{ 1395{
1382 int end; 1396 int end;
1383 1397
1384 ZERO_SCROLLBACK (); 1398 ZERO_SCROLLBACK ();
1385 1399
… …
1405/* ------------------------------------------------------------------------- */ 1419/* ------------------------------------------------------------------------- */
1406/* 1420/*
1407 * Insert/Delete <count> characters from the current position 1421 * Insert/Delete <count> characters from the current position
1408 */ 1422 */
1409void 1423void
1410rxvt_term::scr_insdel_chars (int count, int insdel) 1424rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1411{ 1425{
1412 int col, row; 1426 int col, row;
1413 rend_t tr; 1427 rend_t tr;
1414 1428
1415 want_refresh = 1; 1429 want_refresh = 1;
… …
1419 return; 1433 return;
1420 1434
1421 scr_do_wrap (); 1435 scr_do_wrap ();
1422 1436
1423 selection_check (1); 1437 selection_check (1);
1424 min_it (count, (ncol - screen.cur.col)); 1438 min_it (count, ncol - screen.cur.col);
1425 1439
1426 row = screen.cur.row; 1440 row = screen.cur.row;
1427 1441
1428 line_t *line = &ROW(row); 1442 line_t *line = &ROW(row);
1443
1444 line->touch ();
1445 line->is_longer (0);
1429 1446
1430 switch (insdel) 1447 switch (insdel)
1431 { 1448 {
1432 case INSERT: 1449 case INSERT:
1433 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1450 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1434 { 1451 {
1435 line->t[col] = line->t[col - count]; 1452 line->t[col] = line->t[col - count];
1436 line->r[col] = line->r[col - count]; 1453 line->r[col] = line->r[col - count];
1437 } 1454 }
1438 1455
1439 if (!line->is_longer ()) 1456 line->l = min (line->l + count, ncol);
1440 {
1441 line->l += count;
1442 min_it (line->l, ncol);
1443 }
1444 1457
1445 if (selection.op && current_screen == selection.screen 1458 if (selection.op && current_screen == selection.screen
1446 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1459 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1447 { 1460 {
1448 if (selection.end.row != screen.cur.row 1461 if (selection.end.row != screen.cur.row
… …
1461 1474
1462 case ERASE: 1475 case ERASE:
1463 screen.cur.col += count; /* don't worry if > ncol */ 1476 screen.cur.col += count; /* don't worry if > ncol */
1464 selection_check (1); 1477 selection_check (1);
1465 screen.cur.col -= count; 1478 screen.cur.col -= count;
1479
1480 line->l = max (line->l - count, 0);
1466 scr_blank_line (*line, screen.cur.col, count, rstyle); 1481 scr_blank_line (*line, screen.cur.col, count, rstyle);
1467 break; 1482 break;
1468 1483
1469 case DELETE: 1484 case DELETE:
1470 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1485 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
… …
1473 { 1488 {
1474 line->t[col] = line->t[col + count]; 1489 line->t[col] = line->t[col + count];
1475 line->r[col] = line->r[col + count]; 1490 line->r[col] = line->r[col + count];
1476 } 1491 }
1477 1492
1493 line->l = max (line->l - count, 0);
1478 scr_blank_line (*line, ncol - count, count, tr); 1494 scr_blank_line (*line, ncol - count, count, tr);
1479
1480 if (line->is_longer ()) /* break line continuation */
1481 line->l = ncol;
1482
1483 line->l = max (line->l - count, 0);
1484 1495
1485 if (selection.op && current_screen == selection.screen 1496 if (selection.op && current_screen == selection.screen
1486 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1497 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1487 { 1498 {
1488 if (selection.end.row != screen.cur.row 1499 if (selection.end.row != screen.cur.row
… …
1506/* 1517/*
1507 * Set the scrolling region 1518 * Set the scrolling region
1508 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1519 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1509 */ 1520 */
1510void 1521void
1511rxvt_term::scr_scroll_region (int top, int bot) 1522rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1512{ 1523{
1513 max_it (top, 0); 1524 max_it (top, 0);
1514 min_it (bot, (int)nrow - 1); 1525 min_it (bot, nrow - 1);
1515 1526
1516 if (top > bot) 1527 if (top > bot)
1517 return; 1528 return;
1518 1529
1519 screen.tscroll = top; 1530 screen.tscroll = top;
… …
1526 * Make the cursor visible/invisible 1537 * Make the cursor visible/invisible
1527 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1538 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1528 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1539 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1529 */ 1540 */
1530void 1541void
1531rxvt_term::scr_cursor_visible (int mode) 1542rxvt_term::scr_cursor_visible (int mode) NOTHROW
1532{ 1543{
1533 want_refresh = 1; 1544 want_refresh = 1;
1534 1545
1535 if (mode) 1546 if (mode)
1536 screen.flags |= Screen_VisibleCursor; 1547 screen.flags |= Screen_VisibleCursor;
… …
1543 * Set/unset automatic wrapping 1554 * Set/unset automatic wrapping
1544 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1555 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1545 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1556 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1546 */ 1557 */
1547void 1558void
1548rxvt_term::scr_autowrap (int mode) 1559rxvt_term::scr_autowrap (int mode) NOTHROW
1549{ 1560{
1550 if (mode) 1561 if (mode)
1551 screen.flags |= Screen_Autowrap; 1562 screen.flags |= Screen_Autowrap;
1552 else 1563 else
1553 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1564 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1562 * and the cursor cannot be moved outside. 1573 * and the cursor cannot be moved outside.
1563 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1574 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1564 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1575 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1565 */ 1576 */
1566void 1577void
1567rxvt_term::scr_relative_origin (int mode) 1578rxvt_term::scr_relative_origin (int mode) NOTHROW
1568{ 1579{
1569 if (mode) 1580 if (mode)
1570 screen.flags |= Screen_Relative; 1581 screen.flags |= Screen_Relative;
1571 else 1582 else
1572 screen.flags &= ~Screen_Relative; 1583 screen.flags &= ~Screen_Relative;
… …
1579 * Set insert/replace mode 1590 * Set insert/replace mode
1580 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1591 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1581 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1592 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1582 */ 1593 */
1583void 1594void
1584rxvt_term::scr_insert_mode (int mode) 1595rxvt_term::scr_insert_mode (int mode) NOTHROW
1585{ 1596{
1586 if (mode) 1597 if (mode)
1587 screen.flags |= Screen_Insert; 1598 screen.flags |= Screen_Insert;
1588 else 1599 else
1589 screen.flags &= ~Screen_Insert; 1600 screen.flags &= ~Screen_Insert;
… …
1595 * XTERM_SEQ: Set tab at current column : ESC H 1606 * XTERM_SEQ: Set tab at current column : ESC H
1596 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1607 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1597 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1608 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1598 */ 1609 */
1599void 1610void
1600rxvt_term::scr_set_tab (int mode) 1611rxvt_term::scr_set_tab (int mode) NOTHROW
1601{ 1612{
1602 if (mode < 0) 1613 if (mode < 0)
1603 memset (tabs, 0, ncol * sizeof (char)); 1614 memset (tabs, 0, ncol * sizeof (char));
1604 else if (screen.cur.col < ncol) 1615 else if (screen.cur.col < ncol)
1605 tabs[screen.cur.col] = (mode ? 1 : 0); 1616 tabs [screen.cur.col] = !!mode;
1606} 1617}
1607 1618
1608/* ------------------------------------------------------------------------- */ 1619/* ------------------------------------------------------------------------- */
1609/* 1620/*
1610 * Set reverse/normal video 1621 * Set reverse/normal video
1611 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1622 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1612 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1623 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1613 */ 1624 */
1614void 1625void
1615rxvt_term::scr_rvideo_mode (int mode) 1626rxvt_term::scr_rvideo_mode (int mode) NOTHROW
1616{ 1627{
1617 XGCValues gcvalue; 1628 XGCValues gcvalue;
1618 1629
1619 if (rvideo != mode) 1630 if (rvideo != mode)
1620 { 1631 {
… …
1622 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1633 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1623#if XPM_BACKGROUND 1634#if XPM_BACKGROUND
1624 if (bgPixmap.pixmap == None) 1635 if (bgPixmap.pixmap == None)
1625#endif 1636#endif
1626#if TRANSPARENT 1637#if TRANSPARENT
1627 if (! (options & Opt_transparent) || am_transparent == 0) 1638 if (! OPTION (Opt_transparent) || am_transparent == 0)
1628#endif 1639#endif
1629 XSetWindowBackground (display->display, vt, 1640 XSetWindowBackground (display->display, vt,
1630 pix_colors[Color_bg]); 1641 pix_colors[Color_bg]);
1631 1642
1632 gcvalue.foreground = pix_colors[Color_fg]; 1643 gcvalue.foreground = pix_colors[Color_fg];
… …
1642/* 1653/*
1643 * Report current cursor position 1654 * Report current cursor position
1644 * XTERM_SEQ: Report position: ESC [ 6 n 1655 * XTERM_SEQ: Report position: ESC [ 6 n
1645 */ 1656 */
1646void 1657void
1647rxvt_term::scr_report_position () 1658rxvt_term::scr_report_position () NOTHROW
1648{ 1659{
1649 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1660 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1650} 1661}
1651 1662
1652/* ------------------------------------------------------------------------- * 1663/* ------------------------------------------------------------------------- *
… …
1655 1666
1656/* 1667/*
1657 * Set font style 1668 * Set font style
1658 */ 1669 */
1659void 1670void
1660rxvt_term::set_font_style () 1671rxvt_term::set_font_style () NOTHROW
1661{ 1672{
1673#if 0
1662 switch (charsets[screen.charset]) 1674 switch (charsets [screen.charset])
1663 { 1675 {
1664 case '0': /* DEC Special Character & Line Drawing Set */ 1676 case '0': /* DEC Special Character & Line Drawing Set */
1665 break; 1677 break;
1666 case 'A': /* United Kingdom (UK) */ 1678 case 'A': /* United Kingdom (UK) */
1667 break; 1679 break;
… …
1674 case 'C': /* Finnish character set */ 1686 case 'C': /* Finnish character set */
1675 break; 1687 break;
1676 case 'K': /* German character set */ 1688 case 'K': /* German character set */
1677 break; 1689 break;
1678 } 1690 }
1691#endif
1679} 1692}
1680 1693
1681/* ------------------------------------------------------------------------- */ 1694/* ------------------------------------------------------------------------- */
1682/* 1695/*
1683 * Choose a font 1696 * Choose a font
… …
1685 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1698 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1686 * XTERM_SEQ: Invoke G2 character set: ESC N 1699 * XTERM_SEQ: Invoke G2 character set: ESC N
1687 * XTERM_SEQ: Invoke G3 character set: ESC O 1700 * XTERM_SEQ: Invoke G3 character set: ESC O
1688 */ 1701 */
1689void 1702void
1690rxvt_term::scr_charset_choose (int set) 1703rxvt_term::scr_charset_choose (int set) NOTHROW
1691{ 1704{
1692 screen.charset = set; 1705 screen.charset = set;
1693 set_font_style (); 1706 set_font_style ();
1694} 1707}
1695 1708
… …
1701 * XTERM_SEQ: Set G2 character set: ESC * <C> 1714 * XTERM_SEQ: Set G2 character set: ESC * <C>
1702 * XTERM_SEQ: Set G3 character set: ESC + <C> 1715 * XTERM_SEQ: Set G3 character set: ESC + <C>
1703 * See set_font_style for possible values for <C> 1716 * See set_font_style for possible values for <C>
1704 */ 1717 */
1705void 1718void
1706rxvt_term::scr_charset_set (int set, unsigned int ch) 1719rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1707{ 1720{
1708 charsets[set] = (unsigned char)ch; 1721 charsets[set] = (unsigned char)ch;
1709 set_font_style (); 1722 set_font_style ();
1710} 1723}
1711 1724
… …
1716 1729
1717/* 1730/*
1718 * refresh matching text. 1731 * refresh matching text.
1719 */ 1732 */
1720bool 1733bool
1721rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1734rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1722{ 1735{
1723 bool found = false; 1736 bool found = false;
1724 1737
1725 for (int i = 0; i < nrow; i++) 1738 for (int i = 0; i < nrow; i++)
1726 { 1739 {
1727 int col = 0; 1740 int col = 0;
1728 rend_t *drp = drawn[i].r; 1741 rend_t *drp = drawn_buf[i].r;
1729 1742
1730 for (; col < ncol; col++, drp++) 1743 for (; col < ncol; col++, drp++)
1731 if ((*drp & mask) == value) 1744 if ((*drp & mask) == value)
1732 { 1745 {
1733 found = true; 1746 found = true;
… …
1746 PART_END, 1759 PART_END,
1747 RC_COUNT 1760 RC_COUNT
1748}; 1761};
1749 1762
1750void 1763void
1751rxvt_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) NOTHROW
1752{ 1765{
1753 int i; 1766 int i;
1754 row_col_t rc[RC_COUNT]; 1767 row_col_t rc[RC_COUNT];
1755 1768
1756 if (!drawn) /* sanity check */ 1769 if (!drawn_buf) /* sanity check */
1757 return; 1770 return;
1758 1771
1759#ifndef NO_SLOW_LINK_SUPPORT 1772#ifndef NO_SLOW_LINK_SUPPORT
1760 if (refresh_type == FAST_REFRESH && !display->is_local) 1773 if (refresh_type == FAST_REFRESH && !display->is_local)
1761 { 1774 {
1762 y = 0; 1775 y = 0;
1763 eheight = height; 1776 eheight = height;
1764 } 1777 }
1765#endif
1766
1767#ifdef DEBUG_STRICT
1768#if 0
1769 // that's not debugging //TODO //FIXME
1770 clamp_it (x, 0, width);
1771 clamp_it (y, 0, height);
1772#endif
1773#endif 1778#endif
1774 1779
1775 /* round down */ 1780 /* round down */
1776 rc[PART_BEG].col = Pixel2Col (x); 1781 rc[PART_BEG].col = Pixel2Col (x);
1777 rc[PART_BEG].row = Pixel2Row (y); 1782 rc[PART_BEG].row = Pixel2Row (y);
… …
1785 min_it (rc[i].col, ncol - 1); 1790 min_it (rc[i].col, ncol - 1);
1786 min_it (rc[i].row, nrow - 1); 1791 min_it (rc[i].row, nrow - 1);
1787 } 1792 }
1788 1793
1789 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++)
1790 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;
1791 1798
1792 if (refresh) 1799 if (refresh)
1793 scr_refresh (SLOW_REFRESH); 1800 scr_refresh ();
1794} 1801}
1795 1802
1796/* ------------------------------------------------------------------------- */ 1803/* ------------------------------------------------------------------------- */
1797/* 1804/*
1798 * Refresh the entire screen 1805 * Refresh the entire screen
1799 */ 1806 */
1800void 1807void
1801rxvt_term::scr_touch (bool refresh) 1808rxvt_term::scr_touch (bool refresh) NOTHROW
1802{ 1809{
1803 scr_expose (0, 0, width, height, refresh); 1810 scr_expose (0, 0, width, height, refresh);
1804} 1811}
1805 1812
1806/* ------------------------------------------------------------------------- */ 1813/* ------------------------------------------------------------------------- */
1807/* 1814/*
1808 * 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
1809 * the top of the screen 1816 * the top of the screen
1810 */ 1817 */
1811int 1818void
1812rxvt_term::scr_move_to (int y, int len) 1819rxvt_term::scr_move_to (int y, int len) NOTHROW
1813{ 1820{
1814 long p = 0; 1821 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1815 unsigned int oldviewstart;
1816
1817 oldviewstart = view_start;
1818
1819 if (y < len)
1820 {
1821 p = (nrow + nsaved) * (len - y) / len;
1822 p -= (long) (nrow - 1);
1823 p = max (p, 0);
1824 }
1825
1826 view_start = (unsigned int)min (p, nsaved);
1827
1828 return scr_changeview (oldviewstart);
1829} 1822}
1830 1823
1831/* ------------------------------------------------------------------------- */ 1824/* ------------------------------------------------------------------------- */
1832/* 1825/*
1833 * Page the screen up/down nlines 1826 * Page the screen up/down nlines
1834 * direction should be UP or DN 1827 * direction should be UP or DN
1835 */ 1828 */
1836int 1829bool
1837rxvt_term::scr_page (enum page_dirn direction, int nlines) 1830rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1838{ 1831{
1839 int n; 1832 int new_view_start =
1840 unsigned int oldviewstart;
1841
1842 oldviewstart = view_start;
1843
1844 if (direction == UP)
1845 {
1846 n = view_start + nlines;
1847 view_start = min (n, nsaved);
1848 }
1849 else
1850 {
1851 n = view_start - nlines; 1833 direction == UP ? view_start - nlines
1852 view_start = max (n, 0); 1834 : view_start + nlines;
1853 }
1854 1835
1855 return scr_changeview (oldviewstart); 1836 return scr_changeview (new_view_start);
1856} 1837}
1857 1838
1858int 1839bool
1859rxvt_term::scr_changeview (unsigned int oldviewstart) 1840rxvt_term::scr_changeview (int new_view_start) NOTHROW
1860{ 1841{
1842 clamp_it (new_view_start, top_row, 0);
1843
1861 if (view_start != oldviewstart) 1844 if (new_view_start == view_start)
1862 { 1845 return false;
1846
1847 num_scr += new_view_start - view_start;
1848 view_start = new_view_start;
1863 want_refresh = 1; 1849 want_refresh = 1;
1864 num_scr -= (view_start - oldviewstart);
1865 }
1866 1850
1867 return (int) (view_start - oldviewstart); 1851 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1868}
1869 1852
1853 return true;
1854}
1855
1870/* ------------------------------------------------------------------------- */ 1856/* ------------------------------------------------------------------------- */
1871void 1857void
1872rxvt_term::scr_bell () 1858rxvt_term::scr_bell () NOTHROW
1873{ 1859{
1874#ifndef NO_BELL 1860#ifndef NO_BELL
1875 1861
1876# ifndef NO_MAPALERT 1862# ifndef NO_MAPALERT
1877# ifdef MAPALERT_OPTION 1863# ifdef MAPALERT_OPTION
1878 if (options & Opt_mapAlert) 1864 if (OPTION (Opt_mapAlert))
1879# endif 1865# endif
1880 XMapWindow (display->display, parent[0]); 1866 XMapWindow (display->display, parent[0]);
1881# endif 1867# endif
1882 1868
1883 if (options & Opt_visualBell) 1869 if (OPTION (Opt_visualBell))
1884 { 1870 {
1885 scr_rvideo_mode (!rvideo); /* refresh also done */ 1871 scr_rvideo_mode (!rvideo); /* refresh also done */
1872 display->flush ();
1886 rxvt_usleep (VISUAL_BELL_DURATION); 1873 rxvt_usleep (VISUAL_BELL_DURATION);
1887 scr_rvideo_mode (!rvideo); /* refresh also done */ 1874 scr_rvideo_mode (!rvideo); /* refresh also done */
1888 } 1875 }
1889 else 1876 else
1890 XBell (display->display, 0); 1877 XBell (display->display, 0);
… …
1893} 1880}
1894 1881
1895/* ------------------------------------------------------------------------- */ 1882/* ------------------------------------------------------------------------- */
1896/* ARGSUSED */ 1883/* ARGSUSED */
1897void 1884void
1898rxvt_term::scr_printscreen (int fullhist) 1885rxvt_term::scr_printscreen (int fullhist) NOTHROW
1899{ 1886{
1900#ifdef PRINTPIPE 1887#ifdef PRINTPIPE
1901 int nrows, row_start; 1888 int nrows, row_start;
1902 FILE *fd; 1889 FILE *fd;
1903 1890
1904 if ((fd = popen_printer ()) == NULL) 1891 if ((fd = popen_printer ()) == NULL)
1905 return; 1892 return;
1906 1893
1907 if (fullhist) 1894 if (fullhist)
1908 { 1895 {
1909 nrows = nrow + nsaved; 1896 nrows = nrow - top_row;
1910 row_start = -nsaved; 1897 row_start = top_row;
1911 } 1898 }
1912 else 1899 else
1913 { 1900 {
1914 nrows = nrow; 1901 nrows = nrow;
1915 row_start = -view_start; 1902 row_start = view_start;
1916 } 1903 }
1917 1904
1918 wctomb (0, 0); 1905 wctomb (0, 0);
1919 1906
1920 for (int r1 = 0; r1 < nrows; r1++) 1907 for (int r1 = 0; r1 < nrows; r1++)
… …
1952 * Refresh the screen 1939 * Refresh the screen
1953 * drawn_text/drawn_rend contain the screen information before the update. 1940 * drawn_text/drawn_rend contain the screen information before the update.
1954 * screen.text/screen.rend contain what the screen will change to. 1941 * screen.text/screen.rend contain what the screen will change to.
1955 */ 1942 */
1956void 1943void
1957rxvt_term::scr_refresh (unsigned char refresh_type) 1944rxvt_term::scr_refresh () NOTHROW
1958{ 1945{
1959 unsigned char must_clear, /* use draw_string not draw_image_string */ 1946 unsigned char must_clear, /* use draw_string not draw_image_string */
1960 showcursor; /* show the cursor */ 1947 showcursor; /* show the cursor */
1961 int16_t col, row, /* column/row we're processing */ 1948 int16_t col, row, /* column/row we're processing */
1962 ocrow; /* old cursor row */ 1949 ocrow; /* old cursor row */
… …
1979 1966
1980#if XPM_BACKGROUND 1967#if XPM_BACKGROUND
1981 must_clear |= bgPixmap.pixmap != None; 1968 must_clear |= bgPixmap.pixmap != None;
1982#endif 1969#endif
1983#if TRANSPARENT 1970#if TRANSPARENT
1984 must_clear |= (options & Opt_transparent) && am_transparent; 1971 must_clear |= OPTION (Opt_transparent) && am_transparent;
1985#endif 1972#endif
1986 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1973 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1987 1974
1988 /* 1975 /*
1989 * B: reverse any characters which are selected 1976 * B: reverse any characters which are selected
… …
2013 2000
2014 crp = &ROW(screen.cur.row).r[col]; 2001 crp = &ROW(screen.cur.row).r[col];
2015 2002
2016 if (showcursor && focus) 2003 if (showcursor && focus)
2017 { 2004 {
2018 if (options & Opt_cursorUnderline) 2005 if (OPTION (Opt_cursorUnderline))
2019 *crp ^= RS_Uline; 2006 *crp ^= RS_Uline;
2020 else 2007 else
2021 { 2008 {
2022 *crp ^= RS_RVid; 2009 *crp ^= RS_RVid;
2023 2010
… …
2025 cc1 = *crp & (RS_fgMask | RS_bgMask); 2012 cc1 = *crp & (RS_fgMask | RS_bgMask);
2026 if (ISSET_PIXCOLOR (Color_cursor)) 2013 if (ISSET_PIXCOLOR (Color_cursor))
2027 ccol1 = Color_cursor; 2014 ccol1 = Color_cursor;
2028 else 2015 else
2029#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2016#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2030 ccol1 = GET_FGCOLOR (rstyle); 2017 ccol1 = fgcolor_of (rstyle);
2031#else 2018#else
2032 ccol1 = Color_fg; 2019 ccol1 = Color_fg;
2033#endif 2020#endif
2034 if (ISSET_PIXCOLOR (Color_cursor2)) 2021 if (ISSET_PIXCOLOR (Color_cursor2))
2035 ccol2 = Color_cursor2; 2022 ccol2 = Color_cursor2;
2036 else 2023 else
2037#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2024#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2038 ccol2 = GET_BGCOLOR (rstyle); 2025 ccol2 = bgcolor_of (rstyle);
2039#else 2026#else
2040 ccol2 = Color_bg; 2027 ccol2 = Color_bg;
2041#endif 2028#endif
2042 *crp = SET_FGCOLOR (*crp, ccol1); 2029 *crp = SET_FGCOLOR (*crp, ccol1);
2043 *crp = SET_BGCOLOR (*crp, ccol2); 2030 *crp = SET_BGCOLOR (*crp, ccol2);
… …
2048 2035
2049 /* make sure no outline cursor is left around */ 2036 /* make sure no outline cursor is left around */
2050 setoldcursor = 0; 2037 setoldcursor = 0;
2051 if (ocrow != -1) 2038 if (ocrow != -1)
2052 { 2039 {
2053 if (screen.cur.row + view_start != ocrow 2040 if (screen.cur.row - view_start != ocrow
2054 || screen.cur.col != oldcursor.col) 2041 || screen.cur.col != oldcursor.col)
2055 { 2042 {
2056 if (ocrow < nrow 2043 if (ocrow < nrow
2057 && oldcursor.col < ncol) 2044 && oldcursor.col < ncol)
2058 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2045 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2059 2046
2060 if (focus || !showcursor) 2047 if (focus || !showcursor)
2061 oldcursor.row = -1; 2048 oldcursor.row = -1;
2062 else 2049 else
2063 setoldcursor = 1; 2050 setoldcursor = 1;
… …
2066 else if (!focus) 2053 else if (!focus)
2067 setoldcursor = 1; 2054 setoldcursor = 1;
2068 2055
2069 if (setoldcursor) 2056 if (setoldcursor)
2070 { 2057 {
2071 if (screen.cur.row + view_start >= nrow) 2058 if (screen.cur.row - view_start >= nrow)
2072 oldcursor.row = -1; 2059 oldcursor.row = -1;
2073 else 2060 else
2074 { 2061 {
2075 oldcursor.row = screen.cur.row + view_start; 2062 oldcursor.row = screen.cur.row - view_start;
2076 oldcursor.col = screen.cur.col; 2063 oldcursor.col = screen.cur.col;
2077 } 2064 }
2078 } 2065 }
2079 } 2066 }
2080 2067
2068 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2081#if ENABLE_OVERLAY 2069#if ENABLE_OVERLAY
2082 scr_swap_overlay (); 2070 scr_swap_overlay ();
2083#endif 2071#endif
2084 2072
2085#ifndef NO_SLOW_LINK_SUPPORT 2073#ifndef NO_SLOW_LINK_SUPPORT
2086 /* 2074 /*
2087 * D: CopyArea pass - very useful for slower links 2075 * D: CopyArea pass - very useful for slower links
2088 * This has been deliberately kept simple. 2076 * This has been deliberately kept simple.
2089 */ 2077 */
2090 i = num_scr;
2091 if (!display->is_local 2078 if (!display->is_local
2092 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2079 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2093 && abs (num_scr) < nrow && !must_clear) 2080 && abs (num_scr) < nrow && !must_clear)
2094 { 2081 {
2095 int16_t nits; 2082 int16_t nits;
2096 int j; 2083 int j;
2097 int len, wlen; 2084 int len, wlen;
2085 dLocal (int, num_scr);
2098 2086
2099 j = nrow; 2087 j = nrow;
2100 wlen = len = -1; 2088 wlen = len = -1;
2101 row = i > 0 ? 0 : j - 1; 2089 row = i > 0 ? 0 : j - 1;
2102 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2090 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2103 { 2091 {
2104 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2092 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2105 { 2093 {
2106 line_t s = ROW(row - view_start); 2094 line_t s = ROW(view_start + row);
2107 line_t d = drawn[row]; 2095 line_t d = drawn_buf[row];
2108 line_t d2 = drawn[row + i]; 2096 line_t d2 = drawn_buf[row + i];
2109 2097
2110 for (nits = 0, col = ncol; col--; ) 2098 for (nits = 0, col = ncol; col--; )
2111 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])
2112 nits--; 2100 nits--;
2113 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 if (wlen < len) 2123 if (wlen < len)
2136 ::swap (wlen, len); 2124 ::swap (wlen, len);
2137 2125
2138 XCopyArea (display->display, vt, vt, 2126 XCopyArea (display->display, vt, vt,
2139 gc, 0, Row2Pixel (len + i), 2127 gc, 0, Row2Pixel (len + i),
2140 (unsigned int)TermWin_TotalWidth (), 2128 (unsigned int)this->width,
2141 (unsigned int)Height2Pixel (wlen - len + 1), 2129 (unsigned int)Height2Pixel (wlen - len + 1),
2142 0, Row2Pixel (len)); 2130 0, Row2Pixel (len));
2143 len = -1; 2131 len = -1;
2144 } 2132 }
2145 } 2133 }
… …
2149 /* 2137 /*
2150 * E: main pass across every character 2138 * E: main pass across every character
2151 */ 2139 */
2152 for (row = 0; row < nrow; row++) 2140 for (row = 0; row < nrow; row++)
2153 { 2141 {
2154 text_t *stp = ROW(row - view_start).t; 2142 text_t *stp = ROW(view_start + row).t;
2155 rend_t *srp = ROW(row - view_start).r; 2143 rend_t *srp = ROW(view_start + row).r;
2156 text_t *dtp = drawn[row].t; 2144 text_t *dtp = drawn_buf[row].t;
2157 rend_t *drp = drawn[row].r; 2145 rend_t *drp = drawn_buf[row].r;
2158 2146
2159 /* 2147 /*
2160 * E2: OK, now the real pass 2148 * E2: OK, now the real pass
2161 */ 2149 */
2162 int ypixel = (int)Row2Pixel (row); 2150 int ypixel = (int)Row2Pixel (row);
… …
2224 count++, i--; 2212 count++, i--;
2225 2213
2226 /* 2214 /*
2227 * Determine the attributes for the string 2215 * Determine the attributes for the string
2228 */ 2216 */
2229 int fore = GET_FGCOLOR (rend); // desired foreground 2217 int fore = fgcolor_of (rend); // desired foreground
2230 int back = GET_BGCOLOR (rend); // desired background 2218 int back = bgcolor_of (rend); // desired background
2231 2219
2232 // 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
2233 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))
2234 { 2222 {
2235#if ENABLE_STYLES 2223#if ENABLE_STYLES
2236 // force redraw after "careful" characters to avoid pixel droppings 2224 // force redraw after "careful" characters to avoid pixel droppings
2237 if (srp[col] & RS_Careful && col < ncol - 1 && 0) 2225 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
… …
2348 } /* for (row....) */ 2336 } /* for (row....) */
2349 2337
2350#if ENABLE_OVERLAY 2338#if ENABLE_OVERLAY
2351 scr_swap_overlay (); 2339 scr_swap_overlay ();
2352#endif 2340#endif
2341 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2353 2342
2354 /* 2343 /*
2355 * G: cleanup cursor and display outline cursor if necessary 2344 * G: cleanup cursor and display outline cursor if necessary
2356 */ 2345 */
2357 if (showcursor) 2346 if (showcursor)
2358 { 2347 {
2359 if (focus) 2348 if (focus)
2360 { 2349 {
2361 if (options & Opt_cursorUnderline) 2350 if (OPTION (Opt_cursorUnderline))
2362 *crp ^= RS_Uline; 2351 *crp ^= RS_Uline;
2363 else 2352 else
2364 { 2353 {
2365 *crp ^= RS_RVid; 2354 *crp ^= RS_RVid;
2366#ifndef NO_CURSORCOLOR 2355#ifndef NO_CURSORCOLOR
… …
2375 2364
2376 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2365 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2377 col--; 2366 col--;
2378 2367
2379 while (col + cursorwidth < ncol 2368 while (col + cursorwidth < ncol
2380 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2369 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2381 cursorwidth++; 2370 cursorwidth++;
2382 2371
2383#ifndef NO_CURSORCOLOR 2372#ifndef NO_CURSORCOLOR
2384 if (ISSET_PIXCOLOR (Color_cursor)) 2373 if (ISSET_PIXCOLOR (Color_cursor))
2385 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2374 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
… …
2396 /* 2385 /*
2397 * H: cleanup selection 2386 * H: cleanup selection
2398 */ 2387 */
2399 scr_reverse_selection (); 2388 scr_reverse_selection ();
2400 2389
2401 if (refresh_type & SMOOTH_REFRESH)
2402 XFlush (display->display);
2403
2404 num_scr = 0; 2390 num_scr = 0;
2405 num_scr_allow = 1; 2391 num_scr_allow = 1;
2406} 2392}
2407 2393
2408void 2394void
2409rxvt_term::scr_remap_chars (const line_t &l) 2395rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2410{ 2396{
2411 if (!l.t) 2397 if (!l.t)
2412 return; 2398 return;
2413 2399
2400 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2401
2414 for (int i = ncol; i--; ) 2402 for (int i = ncol; i--; )
2415 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]));
2416} 2404}
2417 2405
2418void 2406void
2419rxvt_term::scr_remap_chars () 2407rxvt_term::scr_remap_chars () NOTHROW
2420{ 2408{
2421 for (int i = total_rows; i--; ) 2409 for (int i = total_rows; i--; )
2422 scr_remap_chars (save[i]); 2410 scr_remap_chars (row_buf [i]);
2423 2411
2424 for (int i = nrow; i--; ) 2412 for (int i = nrow; i--; )
2425 { 2413 {
2426 scr_remap_chars (drawn[i]); 2414 scr_remap_chars (drawn_buf [i]);
2427 scr_remap_chars (swap_save[i]); 2415 scr_remap_chars (swap_buf [i]);
2428 } 2416 }
2429} 2417}
2430 2418
2431void 2419void
2432rxvt_term::scr_recolour () 2420rxvt_term::scr_recolour () NOTHROW
2433{ 2421{
2434 if (1 2422 if (1
2435#if TRANSPARENT 2423#if TRANSPARENT
2436 && !am_transparent 2424 && !am_transparent
2437#endif 2425#endif
… …
2458 want_refresh = 1; 2446 want_refresh = 1;
2459} 2447}
2460 2448
2461/* ------------------------------------------------------------------------- */ 2449/* ------------------------------------------------------------------------- */
2462void 2450void
2463rxvt_term::scr_clear (bool really) 2451rxvt_term::scr_clear (bool really) NOTHROW
2464{ 2452{
2465 if (!mapped) 2453 if (!mapped)
2466 return; 2454 return;
2467 2455
2468 num_scr_allow = 0; 2456 num_scr_allow = 0;
… …
2470 2458
2471 if (really) 2459 if (really)
2472 XClearWindow (display->display, vt); 2460 XClearWindow (display->display, vt);
2473} 2461}
2474 2462
2475/* ------------------------------------------------------------------------- */
2476void 2463void
2464rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
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) NOTHROW
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
2511/* ------------------------------------------------------------------------- */
2512void
2477rxvt_term::scr_reverse_selection () 2513rxvt_term::scr_reverse_selection () NOTHROW
2478{ 2514{
2479 if (selection.op 2515 if (selection.op
2480 && current_screen == selection.screen 2516 && current_screen == selection.screen
2481 && selection.end.row >= -view_start) 2517 && selection.end.row >= view_start)
2482 { 2518 {
2483 int view_end = -view_start + nrow;
2484 int row, col;
2485
2486#if ENABLE_FRILLS 2519#if ENABLE_FRILLS
2487 if (selection.rect) 2520 if (selection.rect)
2488 { 2521 scr_xor_rect (selection.beg.row, selection.beg.col,
2489 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2522 selection.end.row, selection.end.col,
2490 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) 2523 RS_RVid, RS_RVid | RS_Uline);
2491 srp[col] ^= RS_RVid;
2492 }
2493 else 2524 else
2494#endif 2525#endif
2495 { 2526 scr_xor_span (selection.beg.row, selection.beg.col,
2496 if (selection.beg.row >= -view_start) 2527 selection.end.row, selection.end.col,
2497 { 2528 RS_RVid);
2498 col = selection.beg.col;
2499 row = selection.beg.row;
2500 }
2501 else
2502 {
2503 col = 0;
2504 row = view_start;
2505 }
2506
2507 for (; row < min (selection.end.row, view_end); row++, col = 0)
2508 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2509 srp[col] ^= RS_RVid;
2510
2511 if (row == selection.end.row)
2512 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2513 srp[col] ^= RS_RVid;
2514 }
2515 } 2529 }
2516} 2530}
2517 2531
2518/* ------------------------------------------------------------------------- */ 2532/* ------------------------------------------------------------------------- */
2519/* 2533/*
2520 * Dump the whole scrollback and screen to the passed filedescriptor. The 2534 * Dump the whole scrollback and screen to the passed filedescriptor. The
2521 * invoking routine must close the fd. 2535 * invoking routine must close the fd.
2522 */ 2536 */
2523#if 0 2537#if 0
2524void 2538void
2525rxvt_term::scr_dump (int fd) 2539rxvt_term::scr_dump (int fd) NOTHROW
2526{ 2540{
2527 int row, wrote; 2541 int row, wrote;
2528 unsigned int width, towrite; 2542 unsigned int width, towrite;
2529 char r1[] = "\n"; 2543 char r1[] = "\n";
2530 2544
2531 for (row = saveLines - nsaved; 2545 for (row = saveLines - nsaved;
2532 row < saveLines + nrow - 1; row++) 2546 row < saveLines + nrow - 1; row++)
2533 { 2547 {
2534 width = save[row].l >= 0 ? save[row].l 2548 width = row_buf[row].l >= 0 ? row_buf[row].l
2535 : ncol; 2549 : ncol;
2536 for (towrite = width; towrite; towrite -= wrote) 2550 for (towrite = width; towrite; towrite -= wrote)
2537 { 2551 {
2538 wrote = write (fd, & (save[row].t[width - towrite]), 2552 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2539 towrite); 2553 towrite);
2540 if (wrote < 0) 2554 if (wrote < 0)
2541 return; /* XXX: death, no report */ 2555 return; /* XXX: death, no report */
2542 } 2556 }
2543 if (save[row].l >= 0) 2557 if (row_buf[row].l >= 0)
2544 if (write (fd, r1, 1) <= 0) 2558 if (write (fd, r1, 1) <= 0)
2545 return; /* XXX: death, no report */ 2559 return; /* XXX: death, no report */
2546 } 2560 }
2547} 2561}
2548#endif 2562#endif
2549 2563
2550/* ------------------------------------------------------------------------- * 2564/* ------------------------------------------------------------------------- *
2551 * CHARACTER SELECTION * 2565 * CHARACTER SELECTION *
2552 * ------------------------------------------------------------------------- */ 2566 * ------------------------------------------------------------------------- */
2553void 2567void
2554rxvt_term::selection_check (int check_more) 2568rxvt_term::selection_check (int check_more) NOTHROW
2555{ 2569{
2556 row_col_t pos; 2570 row_col_t pos;
2557 2571
2558 if (!selection.op) 2572 if (!selection.op)
2559 return; 2573 return;
2560 2574
2561 pos.row = pos.col = 0; 2575 pos.row = pos.col = 0;
2562 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2576 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2563 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2577 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2564 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2578 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2565 || (check_more == 1 2579 || (check_more == 1
2566 && current_screen == selection.screen 2580 && current_screen == selection.screen
2567 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2581 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2568 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2582 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2569 || (check_more == 2 2583 || (check_more == 2
… …
2580/* ------------------------------------------------------------------------- */ 2594/* ------------------------------------------------------------------------- */
2581/* 2595/*
2582 * Paste a selection direct to the command fd 2596 * Paste a selection direct to the command fd
2583 */ 2597 */
2584void 2598void
2585rxvt_term::paste (unsigned char *data, unsigned int len) 2599rxvt_term::paste (char *data, unsigned int len) NOTHROW
2586{ 2600{
2587 /* convert normal newline chars into common keyboard Return key sequence */ 2601 /* convert normal newline chars into common keyboard Return key sequence */
2588 for (unsigned int i = 0; i < len; i++) 2602 for (unsigned int i = 0; i < len; i++)
2589 if (data[i] == C0_LF) 2603 if (data[i] == C0_LF)
2590 data[i] = C0_CR; 2604 data[i] = C0_CR;
… …
2596/* 2610/*
2597 * Respond to a notification that a primary selection has been sent 2611 * Respond to a notification that a primary selection has been sent
2598 * EXT: SelectionNotify 2612 * EXT: SelectionNotify
2599 */ 2613 */
2600void 2614void
2601rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) 2615rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2602{ 2616{
2603 if (prop == None) /* check for failed XConvertSelection */ 2617 if (prop == None) /* check for failed XConvertSelection */
2604 { 2618 {
2605 if ((selection_type & Sel_CompoundText)) 2619 if ((selection_type & Sel_CompoundText))
2606 { 2620 {
… …
2734 { 2748 {
2735 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2749 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2736 char *s = rxvt_wcstombs (w); 2750 char *s = rxvt_wcstombs (w);
2737 free (w); 2751 free (w);
2738 // TODO: strlen == only the first element will be converted. well... 2752 // TODO: strlen == only the first element will be converted. well...
2739 paste ((unsigned char *)s, strlen (s)); 2753 paste (s, strlen (s));
2740 free (s); 2754 free (s);
2741 } 2755 }
2742 else 2756 else
2743#endif 2757#endif
2744 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2758 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2745 && cl) 2759 && cl)
2746 { 2760 {
2747 for (int i = 0; i < cr; i++) 2761 for (int i = 0; i < cr; i++)
2748 paste ((unsigned char *)cl[i], strlen (cl[i])); 2762 paste (cl[i], strlen (cl[i]));
2749 2763
2750 XFreeStringList (cl); 2764 XFreeStringList (cl);
2751 } 2765 }
2752 else 2766 else
2753 paste (ct.value, ct.nitems); // paste raw 2767 paste ((char *)ct.value, ct.nitems); // paste raw
2754 2768
2755bailout: 2769bailout:
2756 XFree (ct.value); 2770 XFree (ct.value);
2757 2771
2758 if (selection_wait == Sel_normal) 2772 if (selection_wait == Sel_normal)
2759 selection_wait = Sel_none; 2773 selection_wait = Sel_none;
2760} 2774}
2761 2775
2762void 2776void
2763rxvt_term::incr_cb (time_watcher &w) 2777rxvt_term::incr_cb (time_watcher &w) NOTHROW
2764{ 2778{
2765 selection_wait = Sel_none; 2779 selection_wait = Sel_none;
2766 2780
2767 incr_buf_size = 0; 2781 incr_buf_size = 0;
2768 free (incr_buf); 2782 free (incr_buf);
2769 2783
2770 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); 2784 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2771} 2785}
2772 2786
2773void 2787void
2774rxvt_term::selection_property (Window win, Atom prop) 2788rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2775{ 2789{
2776 if (prop == None || selection_wait != Sel_incr) 2790 if (prop == None || selection_wait != Sel_incr)
2777 return; 2791 return;
2778 2792
2779 selection_paste (win, prop, true); 2793 selection_paste (win, prop, true);
… …
2788 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2802 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2789 * will auto fallback to CUT_BUFFER0 2803 * will auto fallback to CUT_BUFFER0
2790 * EXT: button 2 release 2804 * EXT: button 2 release
2791 */ 2805 */
2792void 2806void
2793rxvt_term::selection_request (Time tm, int x, int y) 2807rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2794{ 2808{
2795 if (x < 0 || x >= width || y < 0 || y >= height) 2809 if (selection.text && selnum == Sel_Primary)
2796 return; /* outside window */
2797
2798 if (selection.text)
2799 { /* internal selection */ 2810 { /* internal selection */
2800 char *str = rxvt_wcstombs (selection.text, selection.len); 2811 char *str = rxvt_wcstombs (selection.text, selection.len);
2801 paste ((unsigned char *)str, strlen (str)); 2812 paste (str, strlen (str));
2802 free (str); 2813 free (str);
2803 return; 2814 return;
2804 } 2815 }
2805 else 2816 else
2806 { 2817 {
2807 int i;
2808
2809 selection_request_time = tm; 2818 selection_request_time = tm;
2810 selection_wait = Sel_normal; 2819 selection_wait = Sel_normal;
2811 2820
2812 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2813 {
2814#if X_HAVE_UTF8_STRING 2821#if X_HAVE_UTF8_STRING
2815 selection_type = Sel_UTF8String; 2822 selection_type = Sel_UTF8String;
2816 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2823 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2817 return; 2824 return;
2818#else 2825#else
2819 selection_type = Sel_CompoundText; 2826 selection_type = Sel_CompoundText;
2820 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2827 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2821 return; 2828 return;
2822#endif 2829#endif
2823 }
2824 } 2830 }
2825 2831
2826 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2832 selection_wait = Sel_none; /* don't loop in selection_paste () */
2827 selection_paste (display->root, XA_CUT_BUFFER0, false); 2833 selection_paste (display->root, XA_CUT_BUFFER0, false);
2828} 2834}
2829 2835
2830int 2836int
2831rxvt_term::selection_request_other (Atom target, int selnum) 2837rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2832{ 2838{
2833 Atom sel; 2839 Atom sel;
2834 2840
2835 selection_type |= selnum; 2841 selection_type |= selnum;
2836 2842
… …
2855/* 2861/*
2856 * Clear all selected text 2862 * Clear all selected text
2857 * EXT: SelectionClear 2863 * EXT: SelectionClear
2858 */ 2864 */
2859void 2865void
2860rxvt_term::selection_clear () 2866rxvt_term::selection_clear () NOTHROW
2861{ 2867{
2862 want_refresh = 1; 2868 want_refresh = 1;
2863 free (selection.text); 2869 free (selection.text);
2864 selection.text = NULL; 2870 selection.text = NULL;
2865 selection.len = 0; 2871 selection.len = 0;
… …
2898 selection.op = SELECTION_DONE; 2904 selection.op = SELECTION_DONE;
2899 2905
2900 if (selection.clicks == 4) 2906 if (selection.clicks == 4)
2901 return; /* nothing selected, go away */ 2907 return; /* nothing selected, go away */
2902 2908
2909 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2910 return;
2911
2903 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2912 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2904 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2913 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2905 2914
2906 int ofs = 0; 2915 int ofs = 0;
2907 int extra = 0; 2916 int extra = 0;
… …
2919 col = selection.beg.col; 2928 col = selection.beg.col;
2920 end_col = ncol + 1; 2929 end_col = ncol + 1;
2921 } 2930 }
2922 else 2931 else
2923#endif 2932#endif
2924 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2933 end_col = ROW(row).l;
2925 2934
2926 col = max (col, 0); 2935 col = max (col, 0);
2927 2936
2928 if (row == selection.end.row || selection.rect) 2937 if (row == selection.end.row
2938#if ENABLE_FRILLS
2939 || selection.rect
2940#endif
2941 )
2929 end_col = min (end_col, selection.end.col); 2942 min_it (end_col, selection.end.col);
2930 2943
2931 t = ROW(row).t + col; 2944 t = ROW(row).t + col;
2945
2932 for (; col < end_col; col++) 2946 for (; col < end_col; col++)
2933 { 2947 {
2934 if (*t == NOCHAR) 2948 if (*t == NOCHAR)
2935 t++; 2949 t++;
2936#if ENABLE_COMBINING 2950#if ENABLE_COMBINING
… …
2952#endif 2966#endif
2953 else 2967 else
2954 new_selection_text[ofs++] = *t++; 2968 new_selection_text[ofs++] = *t++;
2955 } 2969 }
2956 2970
2971#if ENABLE_FRILLS
2972 if (selection.rect)
2973 {
2974 while (ofs
2975 && new_selection_text[ofs - 1] != C0_LF
2976 && unicode::is_space (new_selection_text[ofs - 1]))
2977 --ofs;
2978
2979 new_selection_text[ofs++] = C0_LF;
2980 }
2981 else
2982#endif
2957 if (!ROW(row).is_longer () && row != selection.end.row) 2983 if (!ROW(row).is_longer () && row != selection.end.row)
2958 new_selection_text[ofs++] = C0_LF; 2984 new_selection_text[ofs++] = C0_LF;
2959 } 2985 }
2960 2986
2961 if (end_col != selection.end.col) 2987 if (end_col != selection.end.col)
2962 new_selection_text[ofs++] = C0_LF; 2988 new_selection_text[ofs++] = C0_LF;
2963 2989
… …
2973 2999
2974 // we usually allocate much more than necessary, so realloc it smaller again 3000 // we usually allocate much more than necessary, so realloc it smaller again
2975 selection.len = ofs; 3001 selection.len = ofs;
2976 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3002 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2977 3003
3004 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3005 return;
3006
3007 selection_grab (tm);
3008}
3009
3010bool
3011rxvt_term::selection_grab (Time tm) NOTHROW
3012{
3013 selection_time = tm;
3014
2978 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3015 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2979 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3016 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3017 {
2980 display->set_selection_owner (this); 3018 display->set_selection_owner (this);
3019 return true;
3020 }
2981 else 3021 else
2982 rxvt_warn ("can't get primary selection, ignoring.\n"); 3022 {
3023 selection_clear ();
3024 return false;
3025 }
2983 3026
2984#if 0 3027#if 0
2985 XTextProperty ct; 3028 XTextProperty ct;
2986 3029
2987 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3030 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2988 { 3031 {
2989 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3032 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2990 XFree (ct.value); 3033 XFree (ct.value);
2991 } 3034 }
2992#endif 3035#endif
2993
2994 selection_time = tm;
2995} 3036}
2996 3037
2997/* ------------------------------------------------------------------------- */ 3038/* ------------------------------------------------------------------------- */
2998/* 3039/*
2999 * Mark or select text based upon number of clicks: 1, 2, or 3 3040 * Mark or select text based upon number of clicks: 1, 2, or 3
3000 * EXT: button 1 press 3041 * EXT: button 1 press
3001 */ 3042 */
3002void 3043void
3003rxvt_term::selection_click (int clicks, int x, int y) 3044rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3004{ 3045{
3005 clicks = ((clicks - 1) % 3) + 1; 3046 clicks = ((clicks - 1) % 3) + 1;
3006 selection.clicks = clicks; /* save clicks so extend will work */ 3047 selection.clicks = clicks; /* save clicks so extend will work */
3007 3048
3049 if (clicks == 2 && !selection.rect
3050 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3051 {
3052 MEvent.clicks = 1; // what a mess
3053 selection.screen = current_screen;
3054 selection.op = SELECTION_CONT;
3055 return;
3056 }
3057
3008 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3058 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3009 3059
3010 if (clicks == 2 || clicks == 3) 3060 if (clicks == 2 || clicks == 3)
3011 selection_extend_colrow (selection.mark.col, 3061 selection_extend_colrow (selection.mark.col,
3012 selection.mark.row + view_start, 3062 selection.mark.row - view_start,
3013 0, /* button 3 */ 3063 0, /* button 3 */
3014 1, /* button press */ 3064 1, /* button press */
3015 0); /* click change */ 3065 0); /* click change */
3016} 3066}
3017 3067
3018/* ------------------------------------------------------------------------- */ 3068/* ------------------------------------------------------------------------- */
3019/* 3069/*
3020 * Mark a selection at the specified col/row 3070 * Mark a selection at the specified col/row
3021 */ 3071 */
3022void 3072void
3023rxvt_term::selection_start_colrow (int col, int row) 3073rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3024{ 3074{
3025 want_refresh = 1; 3075 want_refresh = 1;
3026 3076
3027 selection.mark.row = row - view_start; 3077 selection.mark.row = row + view_start;
3028 selection.mark.col = col; 3078 selection.mark.col = col;
3029 3079
3030 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); 3080 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3031 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); 3081 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3032 3082
3033 while (selection.mark.col > 0 3083 while (selection.mark.col > 0
3034 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3084 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3035 --selection.mark.col; 3085 --selection.mark.col;
… …
3054#define DELIMIT_TEXT(x) \ 3104#define DELIMIT_TEXT(x) \
3055 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3105 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3056#define DELIMIT_REND(x) 1 3106#define DELIMIT_REND(x) 1
3057 3107
3058void 3108void
3059rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3109rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3060{ 3110{
3061 int col, row, dirnadd, tcol, trow, w1, w2; 3111 int col, row, dirnadd, tcol, trow, w1, w2;
3062 row_col_t bound; 3112 row_col_t bound;
3063 text_t *stp; 3113 text_t *stp;
3064 rend_t *srp; 3114 rend_t *srp;
3065 3115
3066 if (dirn == UP) 3116 if (dirn == UP)
3067 { 3117 {
3068 bound.row = - nsaved - 1; 3118 bound.row = top_row - 1;
3069 bound.col = 0; 3119 bound.col = 0;
3070 dirnadd = -1; 3120 dirnadd = -1;
3071 } 3121 }
3072 else 3122 else
3073 { 3123 {
… …
3121 } 3171 }
3122 } 3172 }
3123 break; 3173 break;
3124 } 3174 }
3125 3175
3126Old_Word_Selection_You_Die:
3127 if (dirn == DN) 3176 if (dirn == DN)
3128 col++; /* put us on one past the end */ 3177 col++; /* put us on one past the end */
3129 3178
3130 /* Poke the values back in */ 3179 /* Poke the values back in */
3131 ret->row = row; 3180 ret->row = row;
… …
3139 * flag == 0 ==> button 1 3188 * flag == 0 ==> button 1
3140 * flag == 1 ==> button 3 press 3189 * flag == 1 ==> button 3 press
3141 * flag == 2 ==> button 3 motion 3190 * flag == 2 ==> button 3 motion
3142 */ 3191 */
3143void 3192void
3144rxvt_term::selection_extend (int x, int y, int flag) 3193rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3145{ 3194{
3146 int col = clamp (Pixel2Col (x), 0, ncol); 3195 int col = clamp (Pixel2Col (x), 0, ncol);
3147 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3196 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3148 3197
3149 /* 3198 /*
… …
3152 * select nothing. Otherwise, if we're to the right of the mark, you have to 3201 * select nothing. Otherwise, if we're to the right of the mark, you have to
3153 * be _past_ a character for it to be selected. 3202 * be _past_ a character for it to be selected.
3154 */ 3203 */
3155 if (((selection.clicks % 3) == 1) && !flag 3204 if (((selection.clicks % 3) == 1) && !flag
3156 && (col == selection.mark.col 3205 && (col == selection.mark.col
3157 && (row == selection.mark.row + view_start))) 3206 && (row == selection.mark.row - view_start)))
3158 { 3207 {
3159 /* select nothing */ 3208 /* select nothing */
3160 selection.beg.row = selection.end.row = 0; 3209 selection.beg.row = selection.end.row = 0;
3161 selection.beg.col = selection.end.col = 0; 3210 selection.beg.col = selection.end.col = 0;
3162 selection.clicks = 4; 3211 selection.clicks = 4;
… …
3175/* ------------------------------------------------------------------------- */ 3224/* ------------------------------------------------------------------------- */
3176/* 3225/*
3177 * Extend the selection to the specified col/row 3226 * Extend the selection to the specified col/row
3178 */ 3227 */
3179void 3228void
3180rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3229rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3181{ 3230{
3182 row_col_t pos; 3231 row_col_t pos;
3183 enum { 3232 enum {
3184 LEFT, RIGHT 3233 LEFT, RIGHT
3185 } closeto = RIGHT; 3234 } closeto = RIGHT;
… …
3217 selection.beg.col = selection.end.col = selection.mark.col; 3266 selection.beg.col = selection.end.col = selection.mark.col;
3218 selection.beg.row = selection.end.row = selection.mark.row; 3267 selection.beg.row = selection.end.row = selection.mark.row;
3219 } 3268 }
3220 3269
3221 pos.col = col; 3270 pos.col = col;
3222 pos.row = row - view_start; 3271 pos.row = view_start + row;
3223 3272
3224 /* 3273 /*
3225 * This is mainly xterm style selection with a couple of differences, mainly 3274 * This is mainly xterm style selection with a couple of differences, mainly
3226 * in the way button3 drag extension works. 3275 * in the way button3 drag extension works.
3227 * We're either doing: button1 drag; button3 press; or button3 drag 3276 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3314 selection_delimit_word (DN, &selection.end, &selection.end); 3363 selection_delimit_word (DN, &selection.end, &selection.end);
3315 } 3364 }
3316 else if (selection.clicks == 3) 3365 else if (selection.clicks == 3)
3317 { 3366 {
3318#if ENABLE_FRILLS 3367#if ENABLE_FRILLS
3319 if (options & Opt_tripleclickwords) 3368 if (OPTION (Opt_tripleclickwords))
3320 { 3369 {
3321 selection_delimit_word (UP, &selection.beg, &selection.beg); 3370 selection_delimit_word (UP, &selection.beg, &selection.beg);
3322 3371
3323 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3372 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3324 { 3373 {
… …
3371#endif 3420#endif
3372} 3421}
3373 3422
3374#if ENABLE_FRILLS 3423#if ENABLE_FRILLS
3375void 3424void
3376rxvt_term::selection_remove_trailing_spaces () 3425rxvt_term::selection_remove_trailing_spaces () NOTHROW
3377{ 3426{
3378 int32_t end_col, end_row; 3427 int32_t end_col, end_row;
3379 text_t *stp; 3428 text_t *stp;
3380 3429
3381 end_col = selection.end.col; 3430 end_col = selection.end.col;
… …
3385 { 3434 {
3386 stp = ROW(end_row).t; 3435 stp = ROW(end_row).t;
3387 3436
3388 while (--end_col >= 0) 3437 while (--end_col >= 0)
3389 { 3438 {
3390 if (stp[end_col] != ' ' 3439 if (stp[end_col] != NOCHAR
3391 && stp[end_col] != '\t' 3440 && !unicode::is_space (stp[end_col]))
3392 && stp[end_col] != NOCHAR)
3393 break; 3441 break;
3394 } 3442 }
3395 3443
3396 if (end_col >= 0 3444 if (end_col >= 0
3397 || !ROW(end_row - 1).is_longer ()) 3445 || !ROW(end_row - 1).is_longer ())
… …
3420/* 3468/*
3421 * Double click on button 3 when already selected 3469 * Double click on button 3 when already selected
3422 * EXT: button 3 double click 3470 * EXT: button 3 double click
3423 */ 3471 */
3424void 3472void
3425rxvt_term::selection_rotate (int x, int y) 3473rxvt_term::selection_rotate (int x, int y) NOTHROW
3426{ 3474{
3427 selection.clicks = selection.clicks % 3 + 1; 3475 selection.clicks = selection.clicks % 3 + 1;
3428 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3476 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3429} 3477}
3430 3478
… …
3432/* 3480/*
3433 * Respond to a request for our current selection 3481 * Respond to a request for our current selection
3434 * EXT: SelectionRequest 3482 * EXT: SelectionRequest
3435 */ 3483 */
3436void 3484void
3437rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3485rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3438{ 3486{
3439 XSelectionEvent ev; 3487 XSelectionEvent ev;
3440 dDisp; 3488 dDisp;
3441 3489
3442 ev.type = SelectionNotify; 3490 ev.type = SelectionNotify;
… …
3570 3618
3571/* 3619/*
3572 * return col/row values corresponding to x/y pixel values 3620 * return col/row values corresponding to x/y pixel values
3573 */ 3621 */
3574void 3622void
3575rxvt_term::pixel_position (int *x, int *y) 3623rxvt_term::pixel_position (int *x, int *y) NOTHROW
3576{ 3624{
3577 *x = Pixel2Col (*x); 3625 *x = Pixel2Col (*x);
3578 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */ 3626 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3579 *y = Pixel2Row (*y); 3627 *y = Pixel2Row (*y);
3580 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */ 3628 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3581} 3629}
3582 3630
3583/* ------------------------------------------------------------------------- */ 3631/* ------------------------------------------------------------------------- */
3584#ifdef USE_XIM 3632#ifdef USE_XIM
3585void 3633void
3586rxvt_term::im_set_position (XPoint &pos) 3634rxvt_term::im_set_position (XPoint &pos) NOTHROW
3587{ 3635{
3588 XWindowAttributes xwa; 3636 XWindowAttributes xwa;
3589 3637
3590 XGetWindowAttributes (display->display, vt, &xwa); 3638 XGetWindowAttributes (display->display, vt, &xwa);
3591 3639
… …
3594} 3642}
3595#endif 3643#endif
3596 3644
3597#if ENABLE_OVERLAY 3645#if ENABLE_OVERLAY
3598void 3646void
3599rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3647rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3600{ 3648{
3601 if (nrow < 3 || ncol < 3) 3649 if (nrow < 1 || ncol < 1)
3602 return; 3650 return;
3603 3651
3604 want_refresh = 1; 3652 want_refresh = 1;
3605 3653
3606 scr_overlay_off (); 3654 scr_overlay_off ();
… …
3610 3658
3611 // make space for border 3659 // make space for border
3612 w += 2; min_it (w, ncol); 3660 w += 2; min_it (w, ncol);
3613 h += 2; min_it (h, nrow); 3661 h += 2; min_it (h, nrow);
3614 3662
3615 x -= 1; max_it (x, 0); 3663 x -= 1; clamp_it (x, 0, ncol - w);
3616 y -= 1; max_it (y, 0); 3664 y -= 1; clamp_it (y, 0, nrow - h);
3617
3618 min_it (x, ncol - w);
3619 min_it (y, nrow - h);
3620 3665
3621 ov_x = x; ov_y = y; 3666 ov_x = x; ov_y = y;
3622 ov_w = w; ov_h = h; 3667 ov_w = w; ov_h = h;
3623 3668
3624 ov_text = new text_t *[h]; 3669 ov_text = new text_t *[h];
… …
3652 *rp = r; 3697 *rp = r;
3653 } 3698 }
3654} 3699}
3655 3700
3656void 3701void
3657rxvt_term::scr_overlay_off () 3702rxvt_term::scr_overlay_off () NOTHROW
3658{ 3703{
3659 if (!ov_text) 3704 if (!ov_text)
3660 return; 3705 return;
3661 3706
3662 want_refresh = 1; 3707 want_refresh = 1;
… …
3670 delete [] ov_text; ov_text = 0; 3715 delete [] ov_text; ov_text = 0;
3671 delete [] ov_rend; ov_rend = 0; 3716 delete [] ov_rend; ov_rend = 0;
3672} 3717}
3673 3718
3674void 3719void
3675rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3720rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3676{ 3721{
3677 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3722 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3678 return; 3723 return;
3679 3724
3680 x++, y++; 3725 x++, y++;
… …
3682 ov_text[y][x] = text; 3727 ov_text[y][x] = text;
3683 ov_rend[y][x] = rend; 3728 ov_rend[y][x] = rend;
3684} 3729}
3685 3730
3686void 3731void
3687rxvt_term::scr_overlay_set (int x, int y, const char *s) 3732rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3688{ 3733{
3689 while (*s) 3734 while (*s)
3690 scr_overlay_set (x++, y, *s++); 3735 scr_overlay_set (x++, y, *s++);
3691} 3736}
3692 3737
3693void 3738void
3694rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3739rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3695{ 3740{
3696 while (*s) 3741 while (*s)
3697 { 3742 {
3698 text_t t = *s++; 3743 text_t t = *s++;
3699 int width = wcwidth (t); 3744 int width = wcwidth (t);
… …
3705 } 3750 }
3706 } 3751 }
3707} 3752}
3708 3753
3709void 3754void
3710rxvt_term::scr_swap_overlay () 3755rxvt_term::scr_swap_overlay () NOTHROW
3711{ 3756{
3712 if (!ov_text) 3757 if (!ov_text)
3713 return; 3758 return;
3714 3759
3715 // swap screen mem with overlay 3760 // swap screen mem with overlay
3716 for (int y = ov_h; y--; ) 3761 for (int y = ov_h; y--; )
3717 { 3762 {
3718 text_t *t1 = ov_text[y]; 3763 text_t *t1 = ov_text[y];
3719 rend_t *r1 = ov_rend[y]; 3764 rend_t *r1 = ov_rend[y];
3720 3765
3721 text_t *t2 = ROW(y - view_start).t + ov_x; 3766 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3722 rend_t *r2 = ROW(y - view_start).r + ov_x; 3767 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3723 3768
3724 for (int x = ov_w; x--; ) 3769 for (int x = ov_w; x--; )
3725 { 3770 {
3726 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3771 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3727 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3772 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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