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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.175 by root, Tue Dec 20 19:30:59 2005 UTC vs.
Revision 1.246 by root, Sat Jan 21 14:25:05 2006 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*--------------------------------*-C-*--------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */ 31#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 32
32#include <inttypes.h> 33#include <inttypes.h>
33 34
46 47
47/* ------------------------------------------------------------------------- * 48/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 50 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 51#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 52 if (OPTION (Opt_scrollTtyOutput)) \
52 view_start = 0 53 view_start = 0
53#define CLEAR_SELECTION() \ 54#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 57#define CLEAR_ALL_SELECTION() \
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 84#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 85 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 86#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 87 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 88
88#define LINENO(n) (((n) + term_start + total_rows) % total_rows)
89#define ROW(n) (save [LINENO (n)])
90
91/* 89/*
92 * CLEAR_ROWS : clear <num> rows starting from row <row> 90 * CLEAR_ROWS : clear <num> rows starting from row <row>
93 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
94 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour 92 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 */ 93 */
117 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
118 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
119 117
120/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
121void 119void
122rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 120rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
123{ 121{
124 if (!l.t) 122 if (!l.t)
125 { 123 {
126 lalloc (l); 124 lalloc (l);
127 col = 0; 125 col = 0;
128 width = ncol; 126 width = ncol;
129 } 127 }
130 128
129 l.touch ();
130
131 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
133 133
134 text_t *et = l.t + col; 134 text_t *et = l.t + col;
135 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
142} 142}
143 143
144/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
145/* Fill a full line with blanks - make sure it is allocated first */ 145/* Fill a full line with blanks - make sure it is allocated first */
146void 146void
147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
148{ 148{
149 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
150} 153}
151 154
152/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
153 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
154 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
155void 159void
156rxvt_term::scr_reset () 160rxvt_term::scr_reset ()
157{ 161{
158 unsigned int p, q;
159 int k;
160
161#if ENABLE_OVERLAY 162#if ENABLE_OVERLAY
162 scr_overlay_off (); 163 scr_overlay_off ();
163#endif 164#endif
164 165
165 view_start = 0; 166 view_start = 0;
175 return; 176 return;
176 177
177 // we need at least two lines for wrapping to work correctly 178 // we need at least two lines for wrapping to work correctly
178 if (nrow + saveLines < 2) 179 if (nrow + saveLines < 2)
179 { 180 {
181 //TODO//FIXME
180 saveLines++; 182 saveLines++;
181 prev_nrow--; 183 prev_nrow--;
182 nsaved++; 184 top_row--;
183 } 185 }
184 186
185 want_refresh = 1; 187 want_refresh = 1;
186 188
187 int prev_total_rows = prev_nrow + saveLines; 189 int prev_total_rows = prev_nrow + saveLines;
188 total_rows = nrow + saveLines; 190 total_rows = nrow + saveLines;
189 191
190 screen.tscroll = 0; 192 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 193 screen.bscroll = nrow - 1;
192 194
193 if (!save) 195 if (!row_buf)
194 { 196 {
195 /* 197 /*
196 * first time called so just malloc everything: don't rely on realloc 198 * first time called so just malloc everything: don't rely on realloc
197 * Note: this is still needed so that all the scrollback lines are NULL
198 */ 199 */
199 nsaved = 0; /* no saved lines */ 200 top_row = 0; /* no saved lines */
200 term_start = 0; 201 term_start = 0;
201 202
202 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 203 talloc = new rxvt_salloc (ncol * sizeof (text_t));
203 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204 205
205 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
206 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
207 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
209 209
210 for (p = nrow; p--; ) 210 for (int row = nrow; row--; )
211 { 211 {
212 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE); 212 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 213 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
214 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 214 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
215 } 215 }
216 216
217 memset (charsets, 'B', sizeof (charsets)); 217 memset (charsets, 'B', sizeof (charsets));
218 rstyle = DEFAULT_RSTYLE; 218 rstyle = DEFAULT_RSTYLE;
219 screen.flags = Screen_DefaultFlags; 219 screen.flags = Screen_DefaultFlags;
234 selection.text = NULL; 234 selection.text = NULL;
235 selection.len = 0; 235 selection.len = 0;
236 selection.op = SELECTION_CLEAR; 236 selection.op = SELECTION_CLEAR;
237 selection.screen = PRIMARY; 237 selection.screen = PRIMARY;
238 selection.clicks = 0; 238 selection.clicks = 0;
239 CLEAR_ALL_SELECTION (); 239 rvideo_state = rvideo_mode = false;
240 rvideo = 0;
241 } 240 }
242 else 241 else
243 { 242 {
244 /* 243 /*
245 * add or delete rows as appropriate 244 * add or delete rows as appropriate
246 */ 245 */
247 246
248 rxvt_salloc *old_ta; 247 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
249 rxvt_salloc *old_ra; 248 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
250 249
250#if 0
251 if (nrow < prev_nrow) 251 if (nrow < prev_nrow)
252 { 252 {
253 /* delete rows */
254 k = min (nsaved, prev_nrow - nrow);
255 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
256 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
257
258 for (p = nrow; p < prev_nrow; p++) 253 for (int row = nrow; row < prev_nrow; row++)
259 { 254 {
260 lfree (ROW(p));
261 lfree (swap_save[p]); 255 lfree (swap_buf [row]);
262 lfree (drawn[p]); 256 lfree (drawn_buf[row]);
263 } 257 }
258 }
259#endif
264 260
265 /* we have fewer rows so fix up cursor position */ 261 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
266 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 262 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
267 263
268 scr_reset_realloc (); /* realloc _last_ */ 264 for (int row = min (nrow, prev_nrow); row--; )
265 {
266 lresize (drawn_buf[row]);
267 lresize (swap_buf [row]);
268 }
269
270 for (int row = prev_nrow; row < nrow; row++)
271 {
272 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
273 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
274 }
275
276 line_t *old_buf = row_buf;
277 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
269 } 278
270 else if (nrow > prev_nrow) 279 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
280 int pend = MOD (term_start + top_row , prev_total_rows);
281 int q = total_rows; // rewrapped row
282
283 if (top_row)
284 {
285 // re-wrap lines, this is rather ugly, possibly because I am too dumb
286 // to come up with a lean and mean algorithm.
287
288 row_col_t ocur = screen.cur;
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290
271 { 291 do
272 /* add rows */
273 scr_reset_realloc (); /* realloc _first_ */
274
275 int ocol = ncol;
276 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
277
278 k = min (nsaved, nrow - prev_nrow);
279
280 for (p = prev_total_rows; p < total_rows; p++)
281 save[p].clear ();
282
283 for (p = prev_total_rows; p < total_rows - k; p++)
284 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
285
286 for (p = prev_nrow; p < nrow; p++)
287 { 292 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 293 p = MOD (p - 1, prev_total_rows);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 }
291
292 if (k > 0)
293 {
294 scr_scroll_text (0, (int)nrow - 1, -k, 1);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nsaved -= k;
298 }
299
300#ifdef DEBUG_STRICT 294#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow); 295 assert (old_buf [MOD (p, prev_total_rows)].t);
302#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1);
304#endif 296#endif
305 ncol = ocol; // save b/c scr_blank_screen_mem uses this
306 }
307
308 /* resize columns */
309 if (ncol != prev_ncol)
310 {
311 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
312 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
313
314 for (p = total_rows; p--; )
315 lresize (save[p]);
316
317 for (p = nrow; p--; )
318 {
319 lresize (drawn[p]);
320 lresize (swap_save[p]);
321 }
322
323 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
324
325 delete old_ta;
326 delete old_ra;
327 }
328
329#if 0
330 // re-wrap lines, this is rather ugly, possibly because I am too dumb
331 // to come up with a lean and mean algorithm.
332 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
333 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
334
335 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
336 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
337 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
338
339 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D
340
341 p = prev_total_rows;
342 q = total_rows;
343
344 while (p > 0 && q > 0)
345 {
346 --p;
347
348 printf ("pq %d:%d\n", p, q);
349 if (save[p].t)
350 {
351 int llen = save[p].l; 297 int plines = 1;
298 int llen = old_buf [MOD (p, prev_total_rows)].l;
352 299
353 assert (llen >= 0); 300 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
354
355 while (p && save[p - 1].l < 0)
356 { 301 {
302 p = MOD (p - 1, prev_total_rows);
303
357 --p; 304 plines++;
358 llen += prev_ncol; 305 llen += prev_ncol;
359 } 306 }
360 307
361 int qlines = llen / ncol + 1; 308 int qlines = max (0, (llen - 1) / ncol) + 1;
309
310 // drop partial lines completely
311 if (q < qlines)
312 break;
313
314 q -= qlines;
315
362 int lofs = 0; 316 int lofs = 0;
317 line_t *qline;
363 318
364 q -= qlines; 319 // re-assemble the full line by destination lines
365
366 int qrow = q;
367
368 printf ("QL %d llen %d\n", qlines, llen);//D
369 for (; qlines--; qrow++) 320 for (int qrow = q; qlines--; qrow++)
370 { 321 {
322 qline = row_buf + qrow;
323 lalloc (*qline);
324 qline->l = ncol;
325 qline->is_longer (1);
326
327 int qcol = 0;
328
329 // see below for cursor adjustment rationale
371 if (qrow >= 0) 330 if (p == ocur.row)
331 screen.cur.row = q - (total_rows - nrow);
332
333 // fill a single destination line
334 while (lofs < llen && qcol < ncol)
372 { 335 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = LINE_CONT1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p; 336 int prow = lofs / prev_ncol;
382 int pcol = lofs % prev_ncol; 337 int pcol = lofs % prev_ncol;
383 338
339 prow = MOD (p + prow, prev_total_rows);
340
341 // we only adjust the cursor _row_ and put it into
342 // the topmost line of "long line" it was in, as
343 // this seems to upset applications/shells/readline
344 // least.
345 if (prow == ocur.row)
346 screen.cur.row = q - (total_rows - nrow);
347
348 line_t &pline = old_buf [prow];
349
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 350 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385 351
386 printf ("q %d lofs %d>%d len %d pq %d:%d p %d:%d q :%d\n", q, llen, lofs, len, prev_ncol, ncol, prow, pcol, qcol); 352#if DEBUG_STRICT
387
388 if (len <= 0)
389 {
390 tl [qrow] = qcol;
391
392 TODO
393 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
394 ncol - qcol, DEFAULT_RSTYLE);
395
396 break;
397 }
398
399 assert (lofs < 1000); 353 assert (len);
354 assert (pline.t);
355#endif
400 356
401 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 357 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 358 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
403 359
404 lofs += len; 360 lofs += len;
405 qcol += len; 361 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 } 362 }
411 else
412 lofs += ncol;
413 } 363 }
364
365 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
366 qline->is_longer (0);
367 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
414 } 368 }
369 while (p != pend && q > 0);
370
371 term_start = total_rows - nrow;
372 top_row = q - term_start;
373
374 // make sure all terminal lines exist
375 while (top_row > 0)
376 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
377 }
378 else
415 } 379 {
380 // if no scrollback exists (yet), wing, instead of wrap
381
382 for (int row = min (nrow, prev_nrow); row--; )
383 {
384 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
385 line_t &qline = row_buf [row];
416 386
417 free (screen.text); screen.text = tp; 387 qline = pline;
418 free (screen.rend); screen.rend = rp; 388 lresize (qline);
419 free (screen.tlen); screen.tlen = tl; 389 }
420 390
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 391 for (int row = prev_nrow; row < nrow; row++)
422#endif 392 {
393 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
394 }
395
396 term_start = 0;
397 }
398
399 free (old_buf);
400 delete old_ta;
401 delete old_ra;
402
403 clamp_it (screen.cur.row, 0, nrow - 1);
404 clamp_it (screen.cur.col, 0, ncol - 1);
423 405
424 if (tabs) 406 if (tabs)
425 free (tabs); 407 free (tabs);
426 } 408 }
427 409
410 CLEAR_ALL_SELECTION ();
411
428 prev_nrow = nrow; 412 prev_nrow = nrow;
429 prev_ncol = ncol; 413 prev_ncol = ncol;
430 414
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 415 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432 416
433 for (p = 0; p < ncol; p++) 417 for (int col = ncol; col--; )
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 418 tabs [col] = col % TABSIZE == 0;
435 419
436 tt_winch (); 420 tt_winch ();
437}
438 421
439void 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
440rxvt_term::scr_reset_realloc ()
441{
442 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
443 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
444 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
445 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
446} 423}
447 424
448/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
449/* 426/*
450 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
451 */ 428 */
452void 429void
453rxvt_term::scr_release () 430rxvt_term::scr_release () NOTHROW
454{ 431{
455 delete talloc; talloc = 0; 432 delete talloc; talloc = 0;
456 delete ralloc; ralloc = 0; 433 delete ralloc; ralloc = 0;
457 434
458 free (save); 435 free (row_buf);
459 free (swap_save); 436 free (swap_buf);
460 free (drawn); 437 free (drawn_buf);
461 free (buf);
462 free (tabs); 438 free (tabs);
439
440 row_buf = 0; // signal that we freed all the arrays
463} 441}
464 442
465/* ------------------------------------------------------------------------- */ 443/* ------------------------------------------------------------------------- */
466/* 444/*
467 * Hard reset 445 * Hard reset
468 */ 446 */
469void 447void
470rxvt_term::scr_poweron () 448rxvt_term::scr_poweron () NOTHROW
471{ 449{
472 scr_release (); 450 scr_release ();
473 prev_nrow = prev_ncol = 0; 451 prev_nrow = prev_ncol = 0;
474 scr_reset (); 452 scr_reset ();
475 453
476 scr_clear (true); 454 scr_clear (true);
477 scr_refresh (SLOW_REFRESH); 455 scr_refresh ();
478} 456}
479 457
480/* ------------------------------------------------------------------------- * 458/* ------------------------------------------------------------------------- *
481 * PROCESS SCREEN COMMANDS * 459 * PROCESS SCREEN COMMANDS *
482 * ------------------------------------------------------------------------- */ 460 * ------------------------------------------------------------------------- */
484 * Save and Restore cursor 462 * Save and Restore cursor
485 * XTERM_SEQ: Save cursor : ESC 7 463 * XTERM_SEQ: Save cursor : ESC 7
486 * XTERM_SEQ: Restore cursor: ESC 8 464 * XTERM_SEQ: Restore cursor: ESC 8
487 */ 465 */
488void 466void
489rxvt_term::scr_cursor (int mode) 467rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
490{ 468{
491 screen_t *s; 469 screen_t *s;
492 470
493#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 471#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
494 if (current_screen == SECONDARY) 472 if (current_screen == SECONDARY)
518 set_font_style (); 496 set_font_style ();
519 break; 497 break;
520 } 498 }
521 499
522 /* boundary check in case screen size changed between SAVE and RESTORE */ 500 /* boundary check in case screen size changed between SAVE and RESTORE */
523 MIN_IT (s->cur.row, nrow - 1); 501 min_it (s->cur.row, nrow - 1);
524 MIN_IT (s->cur.col, ncol - 1); 502 min_it (s->cur.col, ncol - 1);
525#ifdef DEBUG_STRICT 503#ifdef DEBUG_STRICT
526 assert (s->cur.row >= 0); 504 assert (s->cur.row >= 0);
527 assert (s->cur.col >= 0); 505 assert (s->cur.col >= 0);
528#else /* drive with your eyes closed */
529 MAX_IT (s->cur.row, 0);
530 MAX_IT (s->cur.col, 0);
531#endif 506#endif
532} 507}
533 508
534/* ------------------------------------------------------------------------- */ 509/* ------------------------------------------------------------------------- */
535/* 510/*
536 * Swap between primary and secondary screens 511 * Swap between primary and secondary screens
537 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 512 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
538 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 513 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
539 */ 514 */
540int 515int
541rxvt_term::scr_change_screen (int scrn) 516rxvt_term::scr_change_screen (int scrn) NOTHROW
542{ 517{
543 int i;
544#if NSCREENS
545 int offset;
546#endif
547
548 want_refresh = 1; 518 want_refresh = 1;
549
550 view_start = 0; 519 view_start = 0;
551 520
552 if (current_screen == scrn) 521 if (current_screen == scrn)
553 return scrn; 522 return scrn;
554 523
555 selection_check (2); /* check for boundary cross */ 524 selection_check (2); /* check for boundary cross */
556 525
557 i = current_screen; current_screen = scrn; scrn = i; 526 int i = current_screen; current_screen = scrn; scrn = i;
558 527
559 SWAP_IT (screen.cur.row, swap.cur.row, int16_t); 528 ::swap (screen.cur.row, swap.cur.row);
560 SWAP_IT (screen.cur.col, swap.cur.col, int16_t); 529 ::swap (screen.cur.col, swap.cur.col);
561 MAX_IT (screen.cur.row, 0); 530
562 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1); 531 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
563 MAX_IT (screen.cur.col, 0); 532 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
564 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
565 533
566#if NSCREENS 534#if NSCREENS
567 if (options & Opt_secondaryScreen) 535 if (OPTION (Opt_secondaryScreen))
568 { 536 {
569 num_scr = 0; 537 num_scr = 0;
570 offset = saveLines;
571 538
572 for (i = prev_nrow; i--;) 539 for (int i = prev_nrow; i--; )
573 SWAP_IT (ROW(i), swap_save[i], line_t); 540 ::swap (ROW(i), swap_buf [i]);
574 541
575 SWAP_IT (screen.charset, swap.charset, int16_t); 542 ::swap (screen.charset, swap.charset);
576 SWAP_IT (screen.flags, swap.flags, int); 543 ::swap (screen.flags, swap.flags);
577 screen.flags |= Screen_VisibleCursor; 544 screen.flags |= Screen_VisibleCursor;
578 swap.flags |= Screen_VisibleCursor; 545 swap.flags |= Screen_VisibleCursor;
579 } 546 }
580 else 547 else
581#endif 548#endif
582 if (options & Opt_secondaryScroll) 549 if (OPTION (Opt_secondaryScroll))
583 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 550 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
584 551
585 return scrn; 552 return scrn;
586} 553}
587 554
588// clear WrapNext indicator, solidifying position on next line 555// clear WrapNext indicator, solidifying position on next line
589void 556void
590rxvt_term::scr_do_wrap () 557rxvt_term::scr_do_wrap () NOTHROW
591{ 558{
592 if (!(screen.flags & Screen_WrapNext)) 559 if (!(screen.flags & Screen_WrapNext))
593 return; 560 return;
594 561
595 screen.flags &= ~Screen_WrapNext; 562 screen.flags &= ~Screen_WrapNext;
596 563
597 screen.cur.col = 0; 564 screen.cur.col = 0;
598 565
599 if (screen.cur.row == screen.bscroll) 566 if (screen.cur.row == screen.bscroll)
600 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 567 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
601 else if (screen.cur.row < nrow - 1) 568 else if (screen.cur.row < nrow - 1)
602 screen.cur.row++; 569 screen.cur.row++;
603} 570}
604 571
605/* ------------------------------------------------------------------------- */ 572/* ------------------------------------------------------------------------- */
606/* 573/*
607 * Change the colour for following text 574 * Change the colour for following text
608 */ 575 */
609void 576void
610rxvt_term::scr_color (unsigned int color, int fgbg) 577rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
611{ 578{
612 if (color > maxTermCOLOR) 579 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
613 color = fgbg; 580 color = fgbg;
614 581
615 if (fgbg == Color_fg) 582 if (fgbg == Color_fg)
616 rstyle = SET_FGCOLOR (rstyle, color); 583 rstyle = SET_FGCOLOR (rstyle, color);
617 else 584 else
621/* ------------------------------------------------------------------------- */ 588/* ------------------------------------------------------------------------- */
622/* 589/*
623 * Change the rendition style for following text 590 * Change the rendition style for following text
624 */ 591 */
625void 592void
626rxvt_term::scr_rendition (int set, int style) 593rxvt_term::scr_rendition (int set, int style) NOTHROW
627 { 594 {
628 if (set) 595 if (set)
629 rstyle |= style; 596 rstyle |= style;
630 else if (style == ~RS_None) 597 else if (style == ~RS_None)
631 rstyle = DEFAULT_RSTYLE; 598 rstyle = DEFAULT_RSTYLE;
636/* ------------------------------------------------------------------------- */ 603/* ------------------------------------------------------------------------- */
637/* 604/*
638 * Scroll text between <row1> and <row2> inclusive, by <count> lines 605 * Scroll text between <row1> and <row2> inclusive, by <count> lines
639 * count positive ==> scroll up 606 * count positive ==> scroll up
640 * count negative ==> scroll down 607 * count negative ==> scroll down
641 * spec == 0 for normal routines
642 */ 608 */
643int 609int
644rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 610rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
645{ 611{
646 int i, j;
647
648 if (count == 0 || (row1 > row2)) 612 if (count == 0 || (row1 > row2))
649 return 0; 613 return 0;
650 614
651 want_refresh = 1; 615 want_refresh = 1;
616 num_scr += count;
652 617
653 if (row1 == 0 && count > 0 618 if (count > 0
619 && row1 == 0
654 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 620 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
655 { 621 {
656 nsaved = min (nsaved + count, saveLines); 622 top_row = max (top_row - count, -saveLines);
623
624 // scroll everything up 'count' lines
657 term_start = (term_start + count) % total_rows; 625 term_start = (term_start + count) % total_rows;
658 626
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
659 if (selection.op && current_screen == selection.screen) 660 if (selection.op && current_screen == selection.screen)
660 { 661 {
661 selection.beg.row -= count; 662 selection.beg.row -= count;
662 selection.end.row -= count; 663 selection.end.row -= count;
663 selection.mark.row -= count; 664 selection.mark.row -= count;
664 }
665 665
666 for (int i = count; i--; ) 666 if (selection.beg.row < top_row
667 scr_blank_screen_mem (ROW(row2 - i), rstyle); 667 || selection.end.row < top_row
668 668 || selection.mark.row < top_row)
669 if ((options & Opt_scrollWithBuffer)
670 && view_start != 0
671 && view_start != saveLines)
672 scr_page (UP, count);
673 }
674 else
675 {
676 if (!spec)
677 row1 += saveLines;
678
679 row2 += saveLines;
680
681 if (selection.op && current_screen == selection.screen)
682 {
683 i = selection.beg.row + saveLines;
684 j = selection.end.row + saveLines;
685
686 if ((i < row1 && j > row1)
687 || (i < row2 && j > row2)
688 || (i - count < row1 && i >= row1)
689 || (i - count > row2 && i <= row2)
690 || (j - count < row1 && j >= row1)
691 || (j - count > row2 && j <= row2))
692 { 669 {
693 CLEAR_ALL_SELECTION (); 670 CLEAR_ALL_SELECTION ();
694 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 671 selection.op = SELECTION_CLEAR;
695 } 672 }
696 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)
697 { 699 {
698 /* move selected region too */ 700 /* move selected region too */
699 selection.beg.row -= count; 701 selection.beg.row -= count;
700 selection.end.row -= count; 702 selection.end.row -= count;
701 selection.mark.row -= count; 703 selection.mark.row -= count;
704
705 selection_check (0);
702 } 706 }
703 } 707 }
704 708
705 selection_check (0); /* _after_ nsaved update */ 709 // use a simple and robust scrolling algorithm, this
710 // part of scr_scroll_text is not time-critical.
706 711
707 num_scr += count;
708 j = count;
709
710 if (count < 0)
711 count = -count;
712
713 i = row2 - row1 + 1; 712 int rows = row2 - row1 + 1;
714 MIN_IT (count, i);
715 713
716 if (j > 0) 714 min_it (count, rows);
717 {
718 /* scroll up */
719 715
720 /* Copy lines that will get clobbered by the rotation */ 716 line_t *temp_buf = row_buf + total_rows;
721 memcpy (buf, save + row1, count * sizeof (line_t));
722 717
723 /* Rotate lines */ 718 for (int row = 0; row < rows; row++)
724 i = row2 - row1 - count + 1;
725 memmove (save + row1, save + row1 + count, i * sizeof (line_t));
726
727 j = row2 - count + 1, i = count;
728 } 719 {
729 else /* if (j < 0) */ 720 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
721
722 if (!IN_RANGE_EXC (row + count, 0, rows))
723 scr_blank_screen_mem (temp_buf [row], rstyle);
730 { 724 }
731 /* scroll down */
732 725
733 /* Copy lines that will get clobbered by the rotation */ 726 for (int row = 0; row < rows; row++)
734 for (i = 0, j = row2; i < count; i++, j--) 727 ROW(row1 + row) = temp_buf [row];
735 buf[i] = save[j];
736
737 /* Rotate lines */
738 for (j = row2, i = j - count; i >= row1; i--, j--)
739 save[j] = save[i];
740
741 j = row1, i = count;
742 count = -count;
743 }
744
745 /* Resurrect lines */
746 memcpy (save + j, buf, i * sizeof (line_t));
747
748 if (!spec) /* line length may not equal ncol */
749 for (; i--; j++)
750 scr_blank_screen_mem (save[j], rstyle);
751 } 728 }
752 729
753 return count; 730 return count;
754} 731}
755 732
756/* ------------------------------------------------------------------------- */ 733/* ------------------------------------------------------------------------- */
757/* 734/*
758 * Add text given in <str> of length <len> to screen struct 735 * Add text given in <str> of length <len> to screen struct
759 */ 736 */
760void 737void
761rxvt_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
762{ 739{
763 if (len <= 0) /* sanity */ 740 if (len <= 0) /* sanity */
764 return; 741 return;
765 742
766 unsigned char checksel; 743 unsigned char checksel;
767 unicode_t c; 744 unicode_t c;
768 int row, last_col; 745 int ncol = this->ncol;
769 const unicode_t *strend = str + len; 746 const wchar_t *strend = str + len;
770 747
771 want_refresh = 1; 748 want_refresh = 1;
772 ZERO_SCROLLBACK (); 749 ZERO_SCROLLBACK ();
773 last_col = ncol;
774 750
775 if (nlines > 0) 751 if (minlines > 0)
776 { 752 {
777 nlines += screen.cur.row - screen.bscroll; 753 minlines += screen.cur.row - screen.bscroll;
754
778 if ((nlines > 0) 755 if (minlines > 0
779 && (screen.tscroll == 0) 756 && screen.tscroll == 0
780 && (screen.bscroll == (nrow - 1))) 757 && screen.bscroll == nrow - 1)
781 { 758 {
782 /* _at least_ this many lines need to be scrolled */ 759 /* _at least_ this many lines need to be scrolled */
783 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 760 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
784 screen.cur.row -= nlines; 761 screen.cur.row -= minlines;
785 } 762 }
786 } 763 }
787 764
788#ifdef DEBUG_STRICT 765#ifdef DEBUG_STRICT
789 assert (screen.cur.col < last_col); 766 assert (screen.cur.col < ncol);
790 assert ((screen.cur.row < nrow) 767 assert (screen.cur.row < nrow
791 && (screen.cur.row >= - (int32_t)nsaved)); 768 && screen.cur.row >= top_row);
792#else /* drive with your eyes closed */
793 MIN_IT (screen.cur.col, last_col - 1);
794 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
795 MAX_IT (screen.cur.row, - (int32_t)nsaved);
796#endif 769#endif
797 row = screen.cur.row; 770 int row = screen.cur.row;
798 771
799 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 772 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
800 773
801 line_t *line = &ROW(row); 774 line_t *line = &ROW(row);
802 775
803 while (str < strend) 776 while (str < strend)
804 { 777 {
805 c = *str++; 778 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
806 779
807 if (c < 0x20) 780 if (c < 0x20)
808 if (c == C0_LF) 781 if (c == C0_LF)
809 { 782 {
810 if (!line->is_longer ()) /* XXX: think about this */
811 MAX_IT (line->l, screen.cur.col); 783 max_it (line->l, screen.cur.col);
812 784
813 screen.flags &= ~Screen_WrapNext; 785 screen.flags &= ~Screen_WrapNext;
814 786
815 if (screen.cur.row == screen.bscroll) 787 if (screen.cur.row == screen.bscroll)
816 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 788 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
817 else if (screen.cur.row < (nrow - 1)) 789 else if (screen.cur.row < (nrow - 1))
818 row = ++screen.cur.row; 790 row = ++screen.cur.row;
819 791
820 line = &ROW(row); /* _must_ refresh */ 792 line = &ROW(row); /* _must_ refresh */
821 continue; 793 continue;
822 } 794 }
823 else if (c == C0_CR) 795 else if (c == C0_CR)
824 { 796 {
825 if (!line->is_longer ()) /* XXX: think about this */
826 MAX_IT (line->l, screen.cur.col); 797 max_it (line->l, screen.cur.col);
827 798
828 screen.flags &= ~Screen_WrapNext; 799 screen.flags &= ~Screen_WrapNext;
829 screen.cur.col = 0; 800 screen.cur.col = 0;
830 continue; 801 continue;
831 } 802 }
848 CLEAR_SELECTION (); 819 CLEAR_SELECTION ();
849 } 820 }
850 821
851 if (screen.flags & Screen_WrapNext) 822 if (screen.flags & Screen_WrapNext)
852 { 823 {
853 line->set_is_longer ();
854
855 scr_do_wrap (); 824 scr_do_wrap ();
856 825
826 line->l = ncol;
827 line->is_longer (1);
828
857 row = screen.cur.row; 829 row = screen.cur.row;
858 line = &ROW(row); /* _must_ refresh */ 830 line = &ROW(row); /* _must_ refresh */
859 } 831 }
860 832
861 // some utf-8 decoders "decode" surrogate characters: let's fix this. 833 // some utf-8 decoders "decode" surrogate characters: let's fix this.
866 // do wcwidth before further replacements, as wcwidth might return -1 838 // do wcwidth before further replacements, as wcwidth might return -1
867 // 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
868 // locale. 840 // locale.
869 int width = c < 0x100 ? 1 : wcwidth (c); 841 int width = c < 0x100 ? 1 : wcwidth (c);
870 842
871 if (charsets[screen.charset] == '0') // DEC SPECIAL 843 if (charsets [screen.charset] == '0') // DEC SPECIAL
872 { 844 {
873 // vt100 special graphics and line drawing 845 // vt100 special graphics and line drawing
874 // 5f-7e standard vt100 846 // 5f-7e standard vt100
875 // 40-5e rxvt extension for extra curses acs chars 847 // 40-5e rxvt extension for extra curses acs chars
876 static uint16_t vt100_0[62] = { // 41 .. 7e 848 static uint16_t vt100_0[62] = { // 41 .. 7e
928 } 900 }
929 901
930 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 902 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
931 903
932 // if the character doesn't fit into the remaining columns... 904 // if the character doesn't fit into the remaining columns...
933 if (screen.cur.col > last_col - width && last_col >= width) 905 if (screen.cur.col > ncol - width && ncol >= width)
934 { 906 {
935 // ...output spaces 907 // ...output spaces
936 c = ' '; 908 c = ' ';
937 // and try the same character next loop iteration 909 // and try the same character next loop iteration
938 --str; 910 --str;
939 } 911 }
940 912
913 line->touch ();
914
941 do 915 do
942 { 916 {
943 line->t[screen.cur.col] = c; 917 line->t[screen.cur.col] = c;
944 line->r[screen.cur.col] = rend; 918 line->r[screen.cur.col] = rend;
945 919
946 if (screen.cur.col < last_col - 1) 920 if (screen.cur.col < ncol - 1)
947 screen.cur.col++; 921 screen.cur.col++;
948 else 922 else
949 { 923 {
950 line->l = last_col; 924 line->l = ncol;
951 if (screen.flags & Screen_Autowrap) 925 if (screen.flags & Screen_Autowrap)
952 screen.flags |= Screen_WrapNext; 926 screen.flags |= Screen_WrapNext;
953 break; 927 break;
954 } 928 }
955 929
957 } 931 }
958 while (--width > 0); 932 while (--width > 0);
959 933
960 // pad with spaces when overwriting wide character with smaller one 934 // pad with spaces when overwriting wide character with smaller one
961 if (!width) 935 if (!width)
936 {
937 line->touch ();
938
962 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++)
963 { 940 {
964 line->t[c] = ' '; 941 line->t[c] = ' ';
965 line->r[c] = rend; 942 line->r[c] = rend;
966 } 943 }
944 }
967 } 945 }
968 else // width == 0 946 else // width == 0
969 { 947 {
970#if ENABLE_COMBINING 948#if ENABLE_COMBINING
971 // handle combining characters 949 // handle combining characters
972 // we just tag the accent on the previous on-screen character. 950 // we just tag the accent on the previous on-screen character.
973 // this is arguably not correct, but also arguably not wrong. 951 // this is arguably not correct, but also arguably not wrong.
974 // we don't handle double-width characters nicely yet. 952 // we don't handle double-width characters nicely yet.
953 line_t *linep;
975 text_t *tp; 954 text_t *tp;
976 rend_t *rp; 955 rend_t *rp;
977 956
978 if (screen.cur.col > 0) 957 if (screen.cur.col > 0)
979 { 958 {
959 linep = line;
980 tp = line->t + screen.cur.col - 1; 960 tp = line->t + screen.cur.col - 1;
981 rp = line->r + screen.cur.col - 1; 961 rp = line->r + screen.cur.col - 1;
982
983 while (*tp == NOCHAR && tp > line->t)
984 tp--, rp--;
985 } 962 }
986 else if (screen.cur.row > 0 963 else if (screen.cur.row > 0
987 && ROW(screen.cur.row - 1).is_longer ()) 964 && ROW(screen.cur.row - 1).is_longer ())
988 { 965 {
989 line_t *line = &ROW(screen.cur.row - 1); 966 linep = &ROW(screen.cur.row - 1);
990
991 tp = line->t + last_col - 1; 967 tp = line->t + ncol - 1;
992 rp = line->r + last_col - 1; 968 rp = line->r + ncol - 1;
993
994 while (*tp == NOCHAR && tp > line->t)
995 tp--, rp--;
996 } 969 }
997 else 970 else
998 continue; 971 continue;
972
973 linep->touch ();
974
975 while (*tp == NOCHAR && tp > linep->t)
976 tp--, rp--;
999 977
1000 // first try to find a precomposed character 978 // first try to find a precomposed character
1001 unicode_t n = rxvt_compose (*tp, c); 979 unicode_t n = rxvt_compose (*tp, c);
1002 if (n == NOCHAR) 980 if (n == NOCHAR)
1003 n = rxvt_composite.compose (*tp, c); 981 n = rxvt_composite.compose (*tp, c);
1006 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 984 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1007#endif 985#endif
1008 } 986 }
1009 } 987 }
1010 988
1011 if (!line->is_longer ()) /* XXX: think about this */
1012 MAX_IT (line->l, screen.cur.col); 989 max_it (line->l, screen.cur.col);
1013 990
1014#ifdef DEBUG_STRICT 991#ifdef DEBUG_STRICT
1015 assert (screen.cur.row >= 0); 992 assert (screen.cur.row >= 0);
1016#else /* drive with your eyes closed */
1017 MAX_IT (screen.cur.row, 0);
1018#endif 993#endif
1019} 994}
1020 995
1021/* ------------------------------------------------------------------------- */ 996/* ------------------------------------------------------------------------- */
1022/* 997/*
1023 * 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
1024 * XTERM_SEQ: CTRL-H 999 * XTERM_SEQ: CTRL-H
1025 */ 1000 */
1026void 1001void
1027rxvt_term::scr_backspace () 1002rxvt_term::scr_backspace () NOTHROW
1028{ 1003{
1029 want_refresh = 1; 1004 want_refresh = 1;
1030 1005
1031 if (screen.cur.col == 0) 1006 if (screen.cur.col == 0)
1032 { 1007 {
1050 * Process Horizontal Tab 1025 * Process Horizontal Tab
1051 * count: +ve = forward; -ve = backwards 1026 * count: +ve = forward; -ve = backwards
1052 * XTERM_SEQ: CTRL-I 1027 * XTERM_SEQ: CTRL-I
1053 */ 1028 */
1054void 1029void
1055rxvt_term::scr_tab (int count, bool ht) 1030rxvt_term::scr_tab (int count, bool ht) NOTHROW
1056{ 1031{
1057 int i, x; 1032 int i, x;
1058 1033
1059 want_refresh = 1; 1034 want_refresh = 1;
1060 i = x = screen.cur.col; 1035 i = x = screen.cur.col;
1061 1036
1062 if (count == 0) 1037 if (count == 0)
1063 return; 1038 return;
1064 else if (count > 0) 1039 else if (count > 0)
1065 { 1040 {
1066 int row = screen.cur.row;
1067
1068 line_t &l = ROW(row); 1041 line_t &l = ROW(screen.cur.row);
1069 rend_t base_rend = l.r[i]; 1042 rend_t base_rend = l.r[i];
1070 ht &= l.t[i] == ' '; 1043 ht &= l.t[i] == ' ';
1071 1044
1072 for (; ++i < ncol; ) 1045 for (; ++i < ncol; )
1073 if (tabs[i]) 1046 if (tabs[i])
1074 { 1047 {
1075 x = i; 1048 x = i;
1049
1076 if (!--count) 1050 if (!--count)
1077 break; 1051 break;
1078 } 1052 }
1079 else 1053 else
1080 ht &= l.t[i] == ' ' 1054 ht &= l.t[i] == ' '
1083 if (count) 1057 if (count)
1084 x = ncol - 1; 1058 x = ncol - 1;
1085 1059
1086 // store horizontal tab commands as characters inside the text 1060 // store horizontal tab commands as characters inside the text
1087 // buffer so they can be selected and pasted. 1061 // buffer so they can be selected and pasted.
1088 if (ht && options & Opt_pastableTabs) 1062 if (ht && OPTION (Opt_pastableTabs))
1089 { 1063 {
1090 base_rend = SET_FONT (base_rend, 0); 1064 base_rend = SET_FONT (base_rend, 0);
1091 1065
1092 if (!l.is_longer ()) /* XXX: think about this */ 1066 l.touch (x);
1093 MAX_IT (l.l, x);
1094 1067
1095 i = screen.cur.col; 1068 i = screen.cur.col;
1096 1069
1097 l.t[i] = '\t'; 1070 l.t[i] = '\t';
1098 l.r[i] = base_rend; 1071 l.r[i] = base_rend;
1129 * 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
1130 * in that row right. Clear left column. 1103 * in that row right. Clear left column.
1131 */ 1104 */
1132#if ENABLE_FRILLS 1105#if ENABLE_FRILLS
1133void 1106void
1134rxvt_term::scr_backindex () 1107rxvt_term::scr_backindex () NOTHROW
1135{ 1108{
1136 if (screen.cur.col > 0) 1109 if (screen.cur.col > 0)
1137 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1110 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1138 else 1111 else
1139 scr_insdel_chars (1, INSERT); 1112 scr_insdel_chars (1, INSERT);
1146 * 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
1147 * in that row left. Clear right column. 1120 * in that row left. Clear right column.
1148 */ 1121 */
1149#if ENABLE_FRILLS 1122#if ENABLE_FRILLS
1150void 1123void
1151rxvt_term::scr_forwardindex () 1124rxvt_term::scr_forwardindex () NOTHROW
1152{ 1125{
1153 int row;
1154
1155 if (screen.cur.col < ncol - 1) 1126 if (screen.cur.col < ncol - 1)
1156 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1127 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1157 else 1128 else
1158 { 1129 {
1159 row = screen.cur.row; 1130 line_t &l = ROW(screen.cur.row);
1160 1131
1161 if (ROW(row).is_longer ()) //TODO//FIXME//LEN 1132 l.touch ();
1162 ROW(row).l = ncol; 1133 l.is_longer (0);
1163 1134
1164 scr_gotorc (0, 0, R_RELATIVE); 1135 scr_gotorc (0, 0, R_RELATIVE);
1165 scr_insdel_chars (1, DELETE); 1136 scr_insdel_chars (1, DELETE);
1166 scr_gotorc (0, ncol - 1, R_RELATIVE); 1137 scr_gotorc (0, ncol - 1, R_RELATIVE);
1167 } 1138 }
1171/* ------------------------------------------------------------------------- */ 1142/* ------------------------------------------------------------------------- */
1172/* 1143/*
1173 * Goto Row/Column 1144 * Goto Row/Column
1174 */ 1145 */
1175void 1146void
1176rxvt_term::scr_gotorc (int row, int col, int relative) 1147rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1177{ 1148{
1178 want_refresh = 1; 1149 want_refresh = 1;
1179 ZERO_SCROLLBACK (); 1150 ZERO_SCROLLBACK ();
1180 1151
1181 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1152 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1182 MAX_IT (screen.cur.col, 0); 1153 clamp_it (screen.cur.col, 0, ncol - 1);
1183 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1184 1154
1185 screen.flags &= ~Screen_WrapNext; 1155 screen.flags &= ~Screen_WrapNext;
1186 1156
1187 if (relative & R_RELATIVE) 1157 if (relative & R_RELATIVE)
1188 { 1158 {
1206 else 1176 else
1207 { 1177 {
1208 if (screen.flags & Screen_Relative) 1178 if (screen.flags & Screen_Relative)
1209 { /* relative origin mode */ 1179 { /* relative origin mode */
1210 screen.cur.row = row + screen.tscroll; 1180 screen.cur.row = row + screen.tscroll;
1211 MIN_IT (screen.cur.row, screen.bscroll); 1181 min_it (screen.cur.row, screen.bscroll);
1212 } 1182 }
1213 else 1183 else
1214 screen.cur.row = row; 1184 screen.cur.row = row;
1215 } 1185 }
1216 1186
1217 MAX_IT (screen.cur.row, 0); 1187 clamp_it (screen.cur.row, 0, nrow - 1);
1218 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1219} 1188}
1220 1189
1221/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1222/* 1191/*
1223 * direction should be UP or DN 1192 * direction should be UP or DN
1224 */ 1193 */
1225void 1194void
1226rxvt_term::scr_index (enum page_dirn direction) 1195rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1227{ 1196{
1228 int dirn; 1197 int dirn;
1229 1198
1230 want_refresh = 1; 1199 want_refresh = 1;
1231 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
1234 1203
1235 screen.flags &= ~Screen_WrapNext; 1204 screen.flags &= ~Screen_WrapNext;
1236 1205
1237 if ((screen.cur.row == screen.bscroll && direction == UP) 1206 if ((screen.cur.row == screen.bscroll && direction == UP)
1238 || (screen.cur.row == screen.tscroll && direction == DN)) 1207 || (screen.cur.row == screen.tscroll && direction == DN))
1239 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1208 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1240 else 1209 else
1241 screen.cur.row += dirn; 1210 screen.cur.row += dirn;
1242 1211
1243 MAX_IT (screen.cur.row, 0); 1212 clamp_it (screen.cur.row, 0, nrow - 1);
1244 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1245 selection_check (0); 1213 selection_check (0);
1246} 1214}
1247 1215
1248/* ------------------------------------------------------------------------- */ 1216/* ------------------------------------------------------------------------- */
1249/* 1217/*
1251 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1219 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1252 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1220 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1253 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1221 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1254 */ 1222 */
1255void 1223void
1256rxvt_term::scr_erase_line (int mode) 1224rxvt_term::scr_erase_line (int mode) NOTHROW
1257{ 1225{
1258 unsigned int row, col, num; 1226 unsigned int col, num;
1259 1227
1260 want_refresh = 1; 1228 want_refresh = 1;
1261 ZERO_SCROLLBACK (); 1229 ZERO_SCROLLBACK ();
1262 1230
1263 selection_check (1); 1231 selection_check (1);
1264 1232
1265 row = screen.cur.row; 1233 line_t &line = ROW(screen.cur.row);
1234
1235 line.touch ();
1236 line.is_longer (0);
1266 1237
1267 switch (mode) 1238 switch (mode)
1268 { 1239 {
1269 case 0: /* erase to end of line */ 1240 case 0: /* erase to end of line */
1270 col = screen.cur.col; 1241 col = screen.cur.col;
1271 num = ncol - col; 1242 num = ncol - col;
1272 MIN_IT (ROW(row).l, (int16_t)col); 1243 min_it (line.l, col);
1273 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1244 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1274 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1245 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1275 CLEAR_SELECTION (); 1246 CLEAR_SELECTION ();
1276 break; 1247 break;
1277 case 1: /* erase to beginning of line */ 1248 case 1: /* erase to beginning of line */
1282 CLEAR_SELECTION (); 1253 CLEAR_SELECTION ();
1283 break; 1254 break;
1284 case 2: /* erase whole line */ 1255 case 2: /* erase whole line */
1285 col = 0; 1256 col = 0;
1286 num = ncol; 1257 num = ncol;
1287 ROW(row).l = 0; 1258 line.l = 0;
1288 if (selection.beg.row <= screen.cur.row 1259 if (selection.beg.row <= screen.cur.row
1289 && selection.end.row >= screen.cur.row) 1260 && selection.end.row >= screen.cur.row)
1290 CLEAR_SELECTION (); 1261 CLEAR_SELECTION ();
1291 break; 1262 break;
1292 default: 1263 default:
1293 return; 1264 return;
1294 } 1265 }
1295 1266
1296 scr_blank_line (ROW(row), col, num, rstyle); 1267 scr_blank_line (line, col, num, rstyle);
1297} 1268}
1298 1269
1299/* ------------------------------------------------------------------------- */ 1270/* ------------------------------------------------------------------------- */
1300/* 1271/*
1301 * Erase part of whole of the screen 1272 * Erase part of whole of the screen
1302 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1273 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1303 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1274 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1304 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1275 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1305 */ 1276 */
1306void 1277void
1307rxvt_term::scr_erase_screen (int mode) 1278rxvt_term::scr_erase_screen (int mode) NOTHROW
1308{ 1279{
1309 int num; 1280 int num;
1310 int32_t row, row_offset; 1281 int32_t row;
1311 rend_t ren; 1282 rend_t ren;
1312 XGCValues gcvalue; 1283 XGCValues gcvalue;
1313 1284
1314 want_refresh = 1; 1285 want_refresh = 1;
1315 ZERO_SCROLLBACK (); 1286 ZERO_SCROLLBACK ();
1316
1317 row_offset = (int32_t)saveLines;
1318 1287
1319 switch (mode) 1288 switch (mode)
1320 { 1289 {
1321 case 0: /* erase to end of screen */ 1290 case 0: /* erase to end of screen */
1322 selection_check (1); 1291 selection_check (1);
1346 CLEAR_SELECTION (); 1315 CLEAR_SELECTION ();
1347 1316
1348 if (row >= nrow) /* Out Of Bounds */ 1317 if (row >= nrow) /* Out Of Bounds */
1349 return; 1318 return;
1350 1319
1351 MIN_IT (num, (nrow - row)); 1320 min_it (num, nrow - row);
1352 1321
1353 if (rstyle & (RS_RVid | RS_Uline)) 1322 if (rstyle & (RS_RVid | RS_Uline))
1354 ren = (rend_t) ~RS_None; 1323 ren = (rend_t) ~RS_None;
1355 else if (GET_BASEBG (rstyle) == Color_bg) 1324 else if (GET_BASEBG (rstyle) == Color_bg)
1356 { 1325 {
1358 CLEAR_ROWS (row, num); 1327 CLEAR_ROWS (row, num);
1359 } 1328 }
1360 else 1329 else
1361 { 1330 {
1362 ren = rstyle & (RS_fgMask | RS_bgMask); 1331 ren = rstyle & (RS_fgMask | RS_bgMask);
1363 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1332 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1364 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1333 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1365 ERASE_ROWS (row, num); 1334 ERASE_ROWS (row, num);
1366 gcvalue.foreground = pix_colors[Color_fg]; 1335 gcvalue.foreground = pix_colors[Color_fg];
1367 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1336 XChangeGC (display->display, gc, GCForeground, &gcvalue);
1368 } 1337 }
1369 1338
1370 for (; num--; row++) 1339 for (; num--; row++)
1371 { 1340 {
1372 scr_blank_screen_mem (save[row + row_offset], rstyle); 1341 scr_blank_screen_mem (ROW(row), rstyle);
1373 save[row + row_offset].l = 0;
1374 scr_blank_line (drawn[row], 0, ncol, ren); 1342 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1375 } 1343 }
1376} 1344}
1377 1345
1378#if ENABLE_FRILLS 1346#if ENABLE_FRILLS
1379void 1347void
1380rxvt_term::scr_erase_savelines () 1348rxvt_term::scr_erase_savelines () NOTHROW
1381{ 1349{
1382 want_refresh = 1; 1350 want_refresh = 1;
1383 ZERO_SCROLLBACK (); 1351 ZERO_SCROLLBACK ();
1384 1352
1385 nsaved = 0; 1353 top_row = 0;
1386} 1354}
1387#endif 1355#endif
1388 1356
1389/* ------------------------------------------------------------------------- */ 1357/* ------------------------------------------------------------------------- */
1390/* 1358/*
1391 * Fill the screen with `E's 1359 * Fill the screen with `E's
1392 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1360 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1393 */ 1361 */
1394void 1362void
1395rxvt_term::scr_E () 1363rxvt_term::scr_E () NOTHROW
1396{ 1364{
1397 int i, j, k;
1398 rend_t *r1, fs; 1365 rend_t fs;
1399 1366
1400 want_refresh = 1; 1367 want_refresh = 1;
1401 ZERO_SCROLLBACK (); 1368 ZERO_SCROLLBACK ();
1402 1369
1403 num_scr_allow = 0; 1370 num_scr_allow = 0;
1404 selection_check (3); 1371 selection_check (3);
1405 1372
1406 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1373 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1407 for (k = saveLines, i = nrow; i--; k++) 1374 for (int row = nrow; row--; )
1408 { 1375 {
1409 line_t &line = save[k]; 1376 line_t &line = ROW(row);
1410 1377
1411 fill_text (line.t, 'E', ncol); 1378 fill_text (line.t, 'E', ncol);
1379 rend_t *r1 = line.r;
1412 1380
1413 for (r1 = line.r, j = ncol; j--; ) 1381 for (int j = ncol; j--; )
1414 *r1++ = fs; 1382 *r1++ = fs;
1415 1383
1416 line.l = ncol; /* make the `E's selectable */ 1384 line.is_longer (0);
1385 line.touch (ncol);
1417 } 1386 }
1418} 1387}
1419 1388
1420/* ------------------------------------------------------------------------- */ 1389/* ------------------------------------------------------------------------- */
1421/* 1390/*
1422 * Insert/Delete <count> lines 1391 * Insert/Delete <count> lines
1423 */ 1392 */
1424void 1393void
1425rxvt_term::scr_insdel_lines (int count, int insdel) 1394rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1426{ 1395{
1427 int end; 1396 int end;
1428 1397
1429 ZERO_SCROLLBACK (); 1398 ZERO_SCROLLBACK ();
1430 1399
1442 count = end; 1411 count = end;
1443 } 1412 }
1444 1413
1445 scr_do_wrap (); 1414 scr_do_wrap ();
1446 1415
1447 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1416 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1448} 1417}
1449 1418
1450/* ------------------------------------------------------------------------- */ 1419/* ------------------------------------------------------------------------- */
1451/* 1420/*
1452 * Insert/Delete <count> characters from the current position 1421 * Insert/Delete <count> characters from the current position
1453 */ 1422 */
1454void 1423void
1455rxvt_term::scr_insdel_chars (int count, int insdel) 1424rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1456{ 1425{
1457 int col, row; 1426 int col, row;
1458 rend_t tr; 1427 rend_t tr;
1459 1428
1460 want_refresh = 1; 1429 want_refresh = 1;
1464 return; 1433 return;
1465 1434
1466 scr_do_wrap (); 1435 scr_do_wrap ();
1467 1436
1468 selection_check (1); 1437 selection_check (1);
1469 MIN_IT (count, (ncol - screen.cur.col)); 1438 min_it (count, ncol - screen.cur.col);
1470 1439
1471 row = screen.cur.row + saveLines; 1440 row = screen.cur.row;
1472 1441
1473 line_t *line = save + row; 1442 line_t *line = &ROW(row);
1443
1444 line->touch ();
1445 line->is_longer (0);
1474 1446
1475 switch (insdel) 1447 switch (insdel)
1476 { 1448 {
1477 case INSERT: 1449 case INSERT:
1478 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1450 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1479 { 1451 {
1480 line->t[col] = line->t[col - count]; 1452 line->t[col] = line->t[col - count];
1481 line->r[col] = line->r[col - count]; 1453 line->r[col] = line->r[col - count];
1482 } 1454 }
1483 1455
1484 if (!line->is_longer ()) 1456 line->l = min (line->l + count, ncol);
1485 {
1486 line->l += count;
1487 MIN_IT (line->l, ncol);
1488 }
1489 1457
1490 if (selection.op && current_screen == selection.screen 1458 if (selection.op && current_screen == selection.screen
1491 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1459 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1492 { 1460 {
1493 if (selection.end.row != screen.cur.row 1461 if (selection.end.row != screen.cur.row
1499 selection.mark.col += count; /* XXX: yes? */ 1467 selection.mark.col += count; /* XXX: yes? */
1500 selection.end.col += count; 1468 selection.end.col += count;
1501 } 1469 }
1502 } 1470 }
1503 1471
1504 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1472 scr_blank_line (*line, screen.cur.col, count, rstyle);
1505 break; 1473 break;
1506 1474
1507 case ERASE: 1475 case ERASE:
1508 screen.cur.col += count; /* don't worry if > ncol */ 1476 screen.cur.col += count; /* don't worry if > ncol */
1509 selection_check (1); 1477 selection_check (1);
1510 screen.cur.col -= count; 1478 screen.cur.col -= count;
1479
1480 line->l = max (line->l - count, 0);
1511 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1481 scr_blank_line (*line, screen.cur.col, count, rstyle);
1512 break; 1482 break;
1513 1483
1514 case DELETE: 1484 case DELETE:
1515 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1485 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1516 1486
1518 { 1488 {
1519 line->t[col] = line->t[col + count]; 1489 line->t[col] = line->t[col + count];
1520 line->r[col] = line->r[col + count]; 1490 line->r[col] = line->r[col + count];
1521 } 1491 }
1522 1492
1493 line->l = max (line->l - count, 0);
1523 scr_blank_line (*line, ncol - count, count, tr); 1494 scr_blank_line (*line, ncol - count, count, tr);
1524
1525 if (line->is_longer ()) /* break line continuation */
1526 line->l = ncol;
1527
1528 line->l -= count;
1529 MAX_IT (line->l, 0);
1530 1495
1531 if (selection.op && current_screen == selection.screen 1496 if (selection.op && current_screen == selection.screen
1532 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1497 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1533 { 1498 {
1534 if (selection.end.row != screen.cur.row 1499 if (selection.end.row != screen.cur.row
1552/* 1517/*
1553 * Set the scrolling region 1518 * Set the scrolling region
1554 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1519 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1555 */ 1520 */
1556void 1521void
1557rxvt_term::scr_scroll_region (int top, int bot) 1522rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1558{ 1523{
1559 MAX_IT (top, 0); 1524 max_it (top, 0);
1560 MIN_IT (bot, (int)nrow - 1); 1525 min_it (bot, nrow - 1);
1561 1526
1562 if (top > bot) 1527 if (top > bot)
1563 return; 1528 return;
1564 1529
1565 screen.tscroll = top; 1530 screen.tscroll = top;
1572 * Make the cursor visible/invisible 1537 * Make the cursor visible/invisible
1573 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1538 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1574 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1539 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1575 */ 1540 */
1576void 1541void
1577rxvt_term::scr_cursor_visible (int mode) 1542rxvt_term::scr_cursor_visible (int mode) NOTHROW
1578{ 1543{
1579 want_refresh = 1; 1544 want_refresh = 1;
1580 1545
1581 if (mode) 1546 if (mode)
1582 screen.flags |= Screen_VisibleCursor; 1547 screen.flags |= Screen_VisibleCursor;
1589 * Set/unset automatic wrapping 1554 * Set/unset automatic wrapping
1590 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1555 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1591 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1556 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1592 */ 1557 */
1593void 1558void
1594rxvt_term::scr_autowrap (int mode) 1559rxvt_term::scr_autowrap (int mode) NOTHROW
1595{ 1560{
1596 if (mode) 1561 if (mode)
1597 screen.flags |= Screen_Autowrap; 1562 screen.flags |= Screen_Autowrap;
1598 else 1563 else
1599 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1564 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1608 * and the cursor cannot be moved outside. 1573 * and the cursor cannot be moved outside.
1609 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1574 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1610 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1575 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1611 */ 1576 */
1612void 1577void
1613rxvt_term::scr_relative_origin (int mode) 1578rxvt_term::scr_relative_origin (int mode) NOTHROW
1614{ 1579{
1615 if (mode) 1580 if (mode)
1616 screen.flags |= Screen_Relative; 1581 screen.flags |= Screen_Relative;
1617 else 1582 else
1618 screen.flags &= ~Screen_Relative; 1583 screen.flags &= ~Screen_Relative;
1625 * Set insert/replace mode 1590 * Set insert/replace mode
1626 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1591 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1627 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1592 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1628 */ 1593 */
1629void 1594void
1630rxvt_term::scr_insert_mode (int mode) 1595rxvt_term::scr_insert_mode (int mode) NOTHROW
1631{ 1596{
1632 if (mode) 1597 if (mode)
1633 screen.flags |= Screen_Insert; 1598 screen.flags |= Screen_Insert;
1634 else 1599 else
1635 screen.flags &= ~Screen_Insert; 1600 screen.flags &= ~Screen_Insert;
1641 * XTERM_SEQ: Set tab at current column : ESC H 1606 * XTERM_SEQ: Set tab at current column : ESC H
1642 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1607 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1643 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1608 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1644 */ 1609 */
1645void 1610void
1646rxvt_term::scr_set_tab (int mode) 1611rxvt_term::scr_set_tab (int mode) NOTHROW
1647{ 1612{
1648 if (mode < 0) 1613 if (mode < 0)
1649 memset (tabs, 0, ncol * sizeof (char)); 1614 memset (tabs, 0, ncol * sizeof (char));
1650 else if (screen.cur.col < ncol) 1615 else if (screen.cur.col < ncol)
1651 tabs[screen.cur.col] = (mode ? 1 : 0); 1616 tabs [screen.cur.col] = !!mode;
1652} 1617}
1653 1618
1654/* ------------------------------------------------------------------------- */ 1619/* ------------------------------------------------------------------------- */
1655/* 1620/*
1656 * Set reverse/normal video 1621 * Set reverse/normal video
1657 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1622 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1658 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1623 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1659 */ 1624 */
1660void 1625void
1661rxvt_term::scr_rvideo_mode (int mode) 1626rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1662{ 1627{
1663 XGCValues gcvalue; 1628 rvideo_mode = on;
1664 1629
1630#ifndef NO_BELL
1631 on ^= rvideo_bell;
1632#endif
1633
1665 if (rvideo != mode) 1634 if (rvideo_state != on)
1666 { 1635 {
1667 rvideo = mode; 1636 rvideo_state = on;
1637
1668 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1638 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1669#if XPM_BACKGROUND 1639#if XPM_BACKGROUND
1670 if (bgPixmap.pixmap == None) 1640 if (bgPixmap.pixmap == None)
1671#endif 1641#endif
1672#if TRANSPARENT 1642#if TRANSPARENT
1673 if (! (options & Opt_transparent) || am_transparent == 0) 1643 if (!OPTION (Opt_transparent) || am_transparent == 0)
1674#endif 1644#endif
1675 XSetWindowBackground (display->display, vt, 1645 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1676 pix_colors[Color_bg]);
1677 1646
1647 XGCValues gcvalue;
1678 gcvalue.foreground = pix_colors[Color_fg]; 1648 gcvalue.foreground = pix_colors[Color_fg];
1679 gcvalue.background = pix_colors[Color_bg]; 1649 gcvalue.background = pix_colors[Color_bg];
1680 XChangeGC (display->display, gc, GCBackground | GCForeground, 1650 XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1681 &gcvalue); 1651
1682 scr_clear (); 1652 scr_clear ();
1683 scr_touch (true); 1653 scr_touch (true);
1684 } 1654 }
1685} 1655}
1686 1656
1688/* 1658/*
1689 * Report current cursor position 1659 * Report current cursor position
1690 * XTERM_SEQ: Report position: ESC [ 6 n 1660 * XTERM_SEQ: Report position: ESC [ 6 n
1691 */ 1661 */
1692void 1662void
1693rxvt_term::scr_report_position () 1663rxvt_term::scr_report_position () NOTHROW
1694{ 1664{
1695 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1665 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1696} 1666}
1697 1667
1698/* ------------------------------------------------------------------------- * 1668/* ------------------------------------------------------------------------- *
1701 1671
1702/* 1672/*
1703 * Set font style 1673 * Set font style
1704 */ 1674 */
1705void 1675void
1706rxvt_term::set_font_style () 1676rxvt_term::set_font_style () NOTHROW
1707{ 1677{
1678#if 0
1708 switch (charsets[screen.charset]) 1679 switch (charsets [screen.charset])
1709 { 1680 {
1710 case '0': /* DEC Special Character & Line Drawing Set */ 1681 case '0': /* DEC Special Character & Line Drawing Set */
1711 break; 1682 break;
1712 case 'A': /* United Kingdom (UK) */ 1683 case 'A': /* United Kingdom (UK) */
1713 break; 1684 break;
1720 case 'C': /* Finnish character set */ 1691 case 'C': /* Finnish character set */
1721 break; 1692 break;
1722 case 'K': /* German character set */ 1693 case 'K': /* German character set */
1723 break; 1694 break;
1724 } 1695 }
1696#endif
1725} 1697}
1726 1698
1727/* ------------------------------------------------------------------------- */ 1699/* ------------------------------------------------------------------------- */
1728/* 1700/*
1729 * Choose a font 1701 * Choose a font
1731 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1703 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1732 * XTERM_SEQ: Invoke G2 character set: ESC N 1704 * XTERM_SEQ: Invoke G2 character set: ESC N
1733 * XTERM_SEQ: Invoke G3 character set: ESC O 1705 * XTERM_SEQ: Invoke G3 character set: ESC O
1734 */ 1706 */
1735void 1707void
1736rxvt_term::scr_charset_choose (int set) 1708rxvt_term::scr_charset_choose (int set) NOTHROW
1737{ 1709{
1738 screen.charset = set; 1710 screen.charset = set;
1739 set_font_style (); 1711 set_font_style ();
1740} 1712}
1741 1713
1747 * XTERM_SEQ: Set G2 character set: ESC * <C> 1719 * XTERM_SEQ: Set G2 character set: ESC * <C>
1748 * XTERM_SEQ: Set G3 character set: ESC + <C> 1720 * XTERM_SEQ: Set G3 character set: ESC + <C>
1749 * See set_font_style for possible values for <C> 1721 * See set_font_style for possible values for <C>
1750 */ 1722 */
1751void 1723void
1752rxvt_term::scr_charset_set (int set, unsigned int ch) 1724rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1753{ 1725{
1754 charsets[set] = (unsigned char)ch; 1726 charsets[set] = (unsigned char)ch;
1755 set_font_style (); 1727 set_font_style ();
1756} 1728}
1757 1729
1762 1734
1763/* 1735/*
1764 * refresh matching text. 1736 * refresh matching text.
1765 */ 1737 */
1766bool 1738bool
1767rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1739rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1768{ 1740{
1769 bool found = false; 1741 bool found = false;
1770 1742
1771 for (int i = 0; i < nrow; i++) 1743 for (int i = 0; i < nrow; i++)
1772 { 1744 {
1773 int col = 0; 1745 int col = 0;
1774 rend_t *drp = drawn[i].r; 1746 rend_t *drp = drawn_buf[i].r;
1775 1747
1776 for (; col < ncol; col++, drp++) 1748 for (; col < ncol; col++, drp++)
1777 if ((*drp & mask) == value) 1749 if ((*drp & mask) == value)
1778 { 1750 {
1779 found = true; 1751 found = true;
1792 PART_END, 1764 PART_END,
1793 RC_COUNT 1765 RC_COUNT
1794}; 1766};
1795 1767
1796void 1768void
1797rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1769rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1798{ 1770{
1799 int i; 1771 int i;
1800 row_col_t rc[RC_COUNT]; 1772 row_col_t rc[RC_COUNT];
1801 1773
1802 if (!drawn) /* sanity check */ 1774 if (!drawn_buf) /* sanity check */
1803 return; 1775 return;
1804 1776
1805#ifndef NO_SLOW_LINK_SUPPORT 1777#ifndef NO_SLOW_LINK_SUPPORT
1806 if (refresh_type == FAST_REFRESH && !display->is_local) 1778 if (refresh_type == FAST_REFRESH && !display->is_local)
1807 { 1779 {
1808 y = 0; 1780 y = 0;
1809 eheight = height; 1781 eheight = height;
1810 } 1782 }
1811#endif
1812
1813#ifdef DEBUG_STRICT
1814 x = max (x, 0);
1815 x = min (x, (int)width);
1816 y = max (y, 0);
1817 y = min (y, (int)height);
1818#endif 1783#endif
1819 1784
1820 /* round down */ 1785 /* round down */
1821 rc[PART_BEG].col = Pixel2Col (x); 1786 rc[PART_BEG].col = Pixel2Col (x);
1822 rc[PART_BEG].row = Pixel2Row (y); 1787 rc[PART_BEG].row = Pixel2Row (y);
1825 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1790 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1826 1791
1827 /* sanity checks */ 1792 /* sanity checks */
1828 for (i = PART_BEG; i < RC_COUNT; i++) 1793 for (i = PART_BEG; i < RC_COUNT; i++)
1829 { 1794 {
1830 MIN_IT (rc[i].col, ncol - 1); 1795 min_it (rc[i].col, ncol - 1);
1831 MIN_IT (rc[i].row, nrow - 1); 1796 min_it (rc[i].row, nrow - 1);
1832 } 1797 }
1833 1798
1834 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1799 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1835 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1800 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1801
1802 num_scr_allow = 0;
1836 1803
1837 if (refresh) 1804 if (refresh)
1838 scr_refresh (SLOW_REFRESH); 1805 scr_refresh ();
1839} 1806}
1840 1807
1841/* ------------------------------------------------------------------------- */ 1808/* ------------------------------------------------------------------------- */
1842/* 1809/*
1843 * Refresh the entire screen 1810 * Refresh the entire screen
1844 */ 1811 */
1845void 1812void
1846rxvt_term::scr_touch (bool refresh) 1813rxvt_term::scr_touch (bool refresh) NOTHROW
1847{ 1814{
1848 scr_expose (0, 0, width, height, refresh); 1815 scr_expose (0, 0, width, height, refresh);
1849} 1816}
1850 1817
1851/* ------------------------------------------------------------------------- */ 1818/* ------------------------------------------------------------------------- */
1852/* 1819/*
1853 * Move the display so that the line represented by scrollbar value Y is at 1820 * Move the display so that the line represented by scrollbar value Y is at
1854 * the top of the screen 1821 * the top of the screen
1855 */ 1822 */
1856int 1823void
1857rxvt_term::scr_move_to (int y, int len) 1824rxvt_term::scr_move_to (int y, int len) NOTHROW
1858{ 1825{
1859 long p = 0; 1826 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1860 unsigned int oldviewstart;
1861
1862 oldviewstart = view_start;
1863
1864 if (y < len)
1865 {
1866 p = (nrow + nsaved) * (len - y) / len;
1867 p -= (long) (nrow - 1);
1868 p = max (p, 0);
1869 }
1870
1871 view_start = (unsigned int)min (p, nsaved);
1872
1873 return scr_changeview (oldviewstart);
1874} 1827}
1875 1828
1876/* ------------------------------------------------------------------------- */ 1829/* ------------------------------------------------------------------------- */
1877/* 1830/*
1878 * Page the screen up/down nlines 1831 * Page the screen up/down nlines
1879 * direction should be UP or DN 1832 * direction should be UP or DN
1880 */ 1833 */
1881int 1834bool
1882rxvt_term::scr_page (enum page_dirn direction, int nlines) 1835rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1883{ 1836{
1884 int n; 1837 int new_view_start =
1885 unsigned int oldviewstart;
1886
1887 oldviewstart = view_start;
1888
1889 if (direction == UP)
1890 {
1891 n = view_start + nlines;
1892 view_start = min (n, nsaved);
1893 }
1894 else
1895 {
1896 n = view_start - nlines; 1838 direction == UP ? view_start - nlines
1897 view_start = max (n, 0); 1839 : view_start + nlines;
1898 }
1899 1840
1900 return scr_changeview (oldviewstart); 1841 return scr_changeview (new_view_start);
1901} 1842}
1902 1843
1903int 1844bool
1904rxvt_term::scr_changeview (unsigned int oldviewstart) 1845rxvt_term::scr_changeview (int new_view_start) NOTHROW
1905{ 1846{
1847 clamp_it (new_view_start, top_row, 0);
1848
1906 if (view_start != oldviewstart) 1849 if (new_view_start == view_start)
1907 { 1850 return false;
1851
1852 num_scr += new_view_start - view_start;
1853 view_start = new_view_start;
1908 want_refresh = 1; 1854 want_refresh = 1;
1909 num_scr -= (view_start - oldviewstart);
1910 }
1911 1855
1912 return (int) (view_start - oldviewstart); 1856 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1913}
1914 1857
1915/* ------------------------------------------------------------------------- */ 1858 return true;
1859}
1860
1861#ifndef NO_BELL
1916void 1862void
1863rxvt_term::bell_cb (time_watcher &w)
1864{
1865 rvideo_bell = false;
1866 scr_rvideo_mode (rvideo_mode);
1867}
1868#endif
1869
1870/* ------------------------------------------------------------------------- */
1871void
1917rxvt_term::scr_bell () 1872rxvt_term::scr_bell () NOTHROW
1918{ 1873{
1919#ifndef NO_BELL 1874#ifndef NO_BELL
1920 1875
1921# ifndef NO_MAPALERT 1876# ifndef NO_MAPALERT
1922# ifdef MAPALERT_OPTION 1877# ifdef MAPALERT_OPTION
1923 if (options & Opt_mapAlert) 1878 if (OPTION (Opt_mapAlert))
1924# endif 1879# endif
1925 XMapWindow (display->display, parent[0]); 1880 XMapWindow (display->display, parent[0]);
1926# endif 1881# endif
1927 1882
1928 if (options & Opt_visualBell) 1883 if (OPTION (Opt_visualBell))
1929 { 1884 {
1930 scr_rvideo_mode (!rvideo); /* refresh also done */ 1885 rvideo_bell = true;
1931 rxvt_usleep (VISUAL_BELL_DURATION); 1886 scr_rvideo_mode (rvideo_mode);
1932 scr_rvideo_mode (!rvideo); /* refresh also done */ 1887 display->flush ();
1888
1889 bell_ev.start (NOW + VISUAL_BELL_DURATION);
1933 } 1890 }
1934 else 1891 else
1935 XBell (display->display, 0); 1892 XBell (display->display, 0);
1936 1893
1937#endif 1894#endif
1938} 1895}
1939 1896
1940/* ------------------------------------------------------------------------- */ 1897/* ------------------------------------------------------------------------- */
1941/* ARGSUSED */ 1898/* ARGSUSED */
1942void 1899void
1943rxvt_term::scr_printscreen (int fullhist) 1900rxvt_term::scr_printscreen (int fullhist) NOTHROW
1944{ 1901{
1945#ifdef PRINTPIPE 1902#ifdef PRINTPIPE
1946 int i, r1, nrows, row_offset; 1903 int nrows, row_start;
1947 FILE *fd; 1904 FILE *fd;
1948 1905
1949 if ((fd = popen_printer ()) == NULL) 1906 if ((fd = popen_printer ()) == NULL)
1950 return; 1907 return;
1951 1908
1952 nrows = nrow;
1953 row_offset = saveLines;
1954
1955 if (!fullhist) 1909 if (fullhist)
1956 row_offset -= view_start; 1910 {
1911 nrows = nrow - top_row;
1912 row_start = top_row;
1913 }
1957 else 1914 else
1958 { 1915 {
1959 nrows += nsaved; 1916 nrows = nrow;
1960 row_offset -= nsaved; 1917 row_start = view_start;
1961 } 1918 }
1962 1919
1963 wctomb (0, 0); 1920 wctomb (0, 0);
1964 1921
1965 for (r1 = 0; r1 < nrows; r1++) 1922 for (int r1 = 0; r1 < nrows; r1++)
1966 { 1923 {
1967 text_t *tp = save[r1 + row_offset].t; 1924 text_t *tp = ROW(r1).t;
1968 int len = save[r1 + row_offset].l; 1925 int len = ROW(r1).l;
1969 1926
1970 for (i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 1927 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1971 { 1928 {
1972 char mb[MB_LEN_MAX]; 1929 char mb[MB_LEN_MAX];
1973 text_t t = *tp++; 1930 text_t t = *tp++;
1974 if (t == NOCHAR) 1931 if (t == NOCHAR)
1975 continue; 1932 continue;
1997 * Refresh the screen 1954 * Refresh the screen
1998 * drawn_text/drawn_rend contain the screen information before the update. 1955 * drawn_text/drawn_rend contain the screen information before the update.
1999 * screen.text/screen.rend contain what the screen will change to. 1956 * screen.text/screen.rend contain what the screen will change to.
2000 */ 1957 */
2001void 1958void
2002rxvt_term::scr_refresh (unsigned char refresh_type) 1959rxvt_term::scr_refresh () NOTHROW
2003{ 1960{
2004 unsigned char must_clear, /* use draw_string not draw_image_string */ 1961 unsigned char must_clear, /* use draw_string not draw_image_string */
2005 showcursor; /* show the cursor */ 1962 showcursor; /* show the cursor */
2006 int16_t col, row, /* column/row we're processing */ 1963 int16_t col, row, /* column/row we're processing */
2007 ocrow; /* old cursor row */ 1964 ocrow; /* old cursor row */
2008 int i, /* tmp */ 1965 int i; /* tmp */
2009 row_offset; /* basic offset in screen structure */
2010#ifndef NO_CURSORCOLOR 1966#ifndef NO_CURSORCOLOR
2011 rend_t cc1; /* store colours at cursor position (s) */ 1967 rend_t cc1; /* store colours at cursor position (s) */
2012#endif 1968#endif
2013 rend_t *crp; // cursor rendition pointer 1969 rend_t *crp; // cursor rendition pointer
2014 1970
2021 * A: set up vars 1977 * A: set up vars
2022 */ 1978 */
2023 must_clear = 0; 1979 must_clear = 0;
2024 refresh_count = 0; 1980 refresh_count = 0;
2025 1981
2026 row_offset = term_start - view_start;
2027
2028#if XPM_BACKGROUND 1982#if XPM_BACKGROUND
2029 must_clear |= bgPixmap.pixmap != None; 1983 must_clear |= bgPixmap.pixmap != None;
2030#endif 1984#endif
2031#if TRANSPARENT 1985#if TRANSPARENT
2032 must_clear |= (options & Opt_transparent) && am_transparent; 1986 must_clear |= OPTION (Opt_transparent) && am_transparent;
2033#endif 1987#endif
2034 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1988 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2035 1989
2036 /* 1990 /*
2037 * B: reverse any characters which are selected 1991 * B: reverse any characters which are selected
2061 2015
2062 crp = &ROW(screen.cur.row).r[col]; 2016 crp = &ROW(screen.cur.row).r[col];
2063 2017
2064 if (showcursor && focus) 2018 if (showcursor && focus)
2065 { 2019 {
2066 if (options & Opt_cursorUnderline) 2020 if (OPTION (Opt_cursorUnderline))
2067 *crp ^= RS_Uline; 2021 *crp ^= RS_Uline;
2068 else 2022 else
2069 { 2023 {
2070 *crp ^= RS_RVid; 2024 *crp ^= RS_RVid;
2071 2025
2073 cc1 = *crp & (RS_fgMask | RS_bgMask); 2027 cc1 = *crp & (RS_fgMask | RS_bgMask);
2074 if (ISSET_PIXCOLOR (Color_cursor)) 2028 if (ISSET_PIXCOLOR (Color_cursor))
2075 ccol1 = Color_cursor; 2029 ccol1 = Color_cursor;
2076 else 2030 else
2077#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2031#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2078 ccol1 = GET_FGCOLOR (rstyle); 2032 ccol1 = fgcolor_of (rstyle);
2079#else 2033#else
2080 ccol1 = Color_fg; 2034 ccol1 = Color_fg;
2081#endif 2035#endif
2082 if (ISSET_PIXCOLOR (Color_cursor2)) 2036 if (ISSET_PIXCOLOR (Color_cursor2))
2083 ccol2 = Color_cursor2; 2037 ccol2 = Color_cursor2;
2084 else 2038 else
2085#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2039#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2086 ccol2 = GET_BGCOLOR (rstyle); 2040 ccol2 = bgcolor_of (rstyle);
2087#else 2041#else
2088 ccol2 = Color_bg; 2042 ccol2 = Color_bg;
2089#endif 2043#endif
2090 *crp = SET_FGCOLOR (*crp, ccol1); 2044 *crp = SET_FGCOLOR (*crp, ccol1);
2091 *crp = SET_BGCOLOR (*crp, ccol2); 2045 *crp = SET_BGCOLOR (*crp, ccol2);
2096 2050
2097 /* make sure no outline cursor is left around */ 2051 /* make sure no outline cursor is left around */
2098 setoldcursor = 0; 2052 setoldcursor = 0;
2099 if (ocrow != -1) 2053 if (ocrow != -1)
2100 { 2054 {
2101 if (screen.cur.row + view_start != ocrow 2055 if (screen.cur.row - view_start != ocrow
2102 || screen.cur.col != oldcursor.col) 2056 || screen.cur.col != oldcursor.col)
2103 { 2057 {
2104 if (ocrow < nrow 2058 if (ocrow < nrow
2105 && oldcursor.col < ncol) 2059 && oldcursor.col < ncol)
2106 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2060 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2107 2061
2108 if (focus || !showcursor) 2062 if (focus || !showcursor)
2109 oldcursor.row = -1; 2063 oldcursor.row = -1;
2110 else 2064 else
2111 setoldcursor = 1; 2065 setoldcursor = 1;
2114 else if (!focus) 2068 else if (!focus)
2115 setoldcursor = 1; 2069 setoldcursor = 1;
2116 2070
2117 if (setoldcursor) 2071 if (setoldcursor)
2118 { 2072 {
2119 if (screen.cur.row + view_start >= nrow) 2073 if (screen.cur.row - view_start >= nrow)
2120 oldcursor.row = -1; 2074 oldcursor.row = -1;
2121 else 2075 else
2122 { 2076 {
2123 oldcursor.row = screen.cur.row + view_start; 2077 oldcursor.row = screen.cur.row - view_start;
2124 oldcursor.col = screen.cur.col; 2078 oldcursor.col = screen.cur.col;
2125 } 2079 }
2126 } 2080 }
2127 } 2081 }
2128 2082
2083 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2129#if ENABLE_OVERLAY 2084#if ENABLE_OVERLAY
2130 scr_swap_overlay (); 2085 scr_swap_overlay ();
2131#endif 2086#endif
2132 2087
2133#ifndef NO_SLOW_LINK_SUPPORT 2088#ifndef NO_SLOW_LINK_SUPPORT
2134 /* 2089 /*
2135 * D: CopyArea pass - very useful for slower links 2090 * D: CopyArea pass - very useful for slower links
2136 * This has been deliberately kept simple. 2091 * This has been deliberately kept simple.
2137 */ 2092 */
2138 i = num_scr;
2139 if (!display->is_local 2093 if (!display->is_local
2140 && refresh_type == FAST_REFRESH && num_scr_allow && i 2094 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2141 && abs (i) < nrow && !must_clear) 2095 && abs (num_scr) < nrow && !must_clear)
2142 { 2096 {
2143 int16_t nits; 2097 int16_t nits;
2144 int j; 2098 int j;
2145 int len, wlen; 2099 int len, wlen;
2100 dLocal (int, num_scr);
2146 2101
2147 j = nrow; 2102 j = nrow;
2148 wlen = len = -1; 2103 wlen = len = -1;
2149 row = i > 0 ? 0 : j - 1; 2104 row = i > 0 ? 0 : j - 1;
2150 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2105 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2151 { 2106 {
2152 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2107 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2153 { 2108 {
2154 line_t s = save[(row + row_offset) % nlines]; 2109 line_t s = ROW(view_start + row);
2155 line_t d = drawn[row]; 2110 line_t d = drawn_buf[row];
2156 line_t d2 = drawn[row + i]; 2111 line_t d2 = drawn_buf[row + i];
2157 2112
2158 for (nits = 0, col = ncol; col--; ) 2113 for (nits = 0, col = ncol; col--; )
2159 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2114 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2160 nits--; 2115 nits--;
2161 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2116 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2179 2134
2180 if (len != -1) 2135 if (len != -1)
2181 { 2136 {
2182 /* also comes here at end if needed because of >= above */ 2137 /* also comes here at end if needed because of >= above */
2183 if (wlen < len) 2138 if (wlen < len)
2184 SWAP_IT (wlen, len, int); 2139 ::swap (wlen, len);
2185 2140
2186 XCopyArea (display->display, vt, vt, 2141 XCopyArea (display->display, vt, vt,
2187 gc, 0, Row2Pixel (len + i), 2142 gc, 0, Row2Pixel (len + i),
2188 (unsigned int)TermWin_TotalWidth (), 2143 (unsigned int)this->width,
2189 (unsigned int)Height2Pixel (wlen - len + 1), 2144 (unsigned int)Height2Pixel (wlen - len + 1),
2190 0, Row2Pixel (len)); 2145 0, Row2Pixel (len));
2191 len = -1; 2146 len = -1;
2192 } 2147 }
2193 } 2148 }
2197 /* 2152 /*
2198 * E: main pass across every character 2153 * E: main pass across every character
2199 */ 2154 */
2200 for (row = 0; row < nrow; row++) 2155 for (row = 0; row < nrow; row++)
2201 { 2156 {
2202 text_t *stp = save[(row + row_offset) % total_rows].t; 2157 text_t *stp = ROW(view_start + row).t;
2203 rend_t *srp = save[(row + row_offset) % total_rows].r; 2158 rend_t *srp = ROW(view_start + row).r;
2204 text_t *dtp = drawn[row].t; 2159 text_t *dtp = drawn_buf[row].t;
2205 rend_t *drp = drawn[row].r; 2160 rend_t *drp = drawn_buf[row].r;
2206 2161
2207 /* 2162 /*
2208 * E2: OK, now the real pass 2163 * E2: OK, now the real pass
2209 */ 2164 */
2210 int ypixel = (int)Row2Pixel (row); 2165 int ypixel = (int)Row2Pixel (row);
2272 count++, i--; 2227 count++, i--;
2273 2228
2274 /* 2229 /*
2275 * Determine the attributes for the string 2230 * Determine the attributes for the string
2276 */ 2231 */
2277 int fore = GET_FGCOLOR (rend); // desired foreground 2232 int fore = fgcolor_of (rend); // desired foreground
2278 int back = GET_BGCOLOR (rend); // desired background 2233 int back = bgcolor_of (rend); // desired background
2279 2234
2280 // only do special processing if any attributes are set, which is rare 2235 // only do special processing if any attributes are set, which is unlikely
2281 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2236 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2282 { 2237 {
2283#if ENABLE_STYLES 2238#if ENABLE_STYLES
2284 // force redraw after "careful" characters to avoid pixel droppings 2239 // force redraw after "careful" characters to avoid pixel droppings
2285 if (srp[col] & RS_Careful && col < ncol - 1 && 0) 2240 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
2321 fore = Color_UL; 2276 fore = Color_UL;
2322#endif 2277#endif
2323 2278
2324 if (invert) 2279 if (invert)
2325 { 2280 {
2326 SWAP_IT (fore, back, int); 2281 ::swap (fore, back);
2327 2282
2328#ifndef NO_BOLD_UNDERLINE_REVERSE 2283#ifndef NO_BOLD_UNDERLINE_REVERSE
2329 if (ISSET_PIXCOLOR (Color_RV)) 2284 if (ISSET_PIXCOLOR (Color_RV))
2330 back = Color_RV; 2285 back = Color_RV;
2331 2286
2396 } /* for (row....) */ 2351 } /* for (row....) */
2397 2352
2398#if ENABLE_OVERLAY 2353#if ENABLE_OVERLAY
2399 scr_swap_overlay (); 2354 scr_swap_overlay ();
2400#endif 2355#endif
2356 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2401 2357
2402 /* 2358 /*
2403 * G: cleanup cursor and display outline cursor if necessary 2359 * G: cleanup cursor and display outline cursor if necessary
2404 */ 2360 */
2405 if (showcursor) 2361 if (showcursor)
2406 { 2362 {
2407 if (focus) 2363 if (focus)
2408 { 2364 {
2409 if (options & Opt_cursorUnderline) 2365 if (OPTION (Opt_cursorUnderline))
2410 *crp ^= RS_Uline; 2366 *crp ^= RS_Uline;
2411 else 2367 else
2412 { 2368 {
2413 *crp ^= RS_RVid; 2369 *crp ^= RS_RVid;
2414#ifndef NO_CURSORCOLOR 2370#ifndef NO_CURSORCOLOR
2423 2379
2424 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2380 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2425 col--; 2381 col--;
2426 2382
2427 while (col + cursorwidth < ncol 2383 while (col + cursorwidth < ncol
2428 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2384 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2429 cursorwidth++; 2385 cursorwidth++;
2430 2386
2431#ifndef NO_CURSORCOLOR 2387#ifndef NO_CURSORCOLOR
2432 if (ISSET_PIXCOLOR (Color_cursor)) 2388 if (ISSET_PIXCOLOR (Color_cursor))
2433 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2389 XSetForeground (display->display, gc, pix_colors[Color_cursor]);
2444 /* 2400 /*
2445 * H: cleanup selection 2401 * H: cleanup selection
2446 */ 2402 */
2447 scr_reverse_selection (); 2403 scr_reverse_selection ();
2448 2404
2449 if (refresh_type & SMOOTH_REFRESH)
2450 XFlush (display->display);
2451
2452 num_scr = 0; 2405 num_scr = 0;
2453 num_scr_allow = 1; 2406 num_scr_allow = 1;
2454} 2407}
2455 2408
2456void 2409void
2457rxvt_term::scr_remap_chars (const line_t &l) 2410rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2458{ 2411{
2459 if (!l.t) 2412 if (!l.t)
2460 return; 2413 return;
2461 2414
2415 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2416
2462 for (int i = ncol; i--; ) 2417 for (int i = ncol; i--; )
2463 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2418 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2464} 2419}
2465 2420
2466void 2421void
2467rxvt_term::scr_remap_chars () 2422rxvt_term::scr_remap_chars () NOTHROW
2468{ 2423{
2469 for (int i = total_rows; i--; ) 2424 for (int i = total_rows; i--; )
2470 scr_remap_chars (save[i]); 2425 scr_remap_chars (row_buf [i]);
2471 2426
2472 for (int i = nrow; i--; ) 2427 for (int i = nrow; i--; )
2473 { 2428 {
2474 scr_remap_chars (drawn[i]); 2429 scr_remap_chars (drawn_buf [i]);
2475 scr_remap_chars (swap_save[i]); 2430 scr_remap_chars (swap_buf [i]);
2476 } 2431 }
2477} 2432}
2478 2433
2479void 2434void
2480rxvt_term::scr_recolour () 2435rxvt_term::scr_recolour () NOTHROW
2481{ 2436{
2482 if (1 2437 if (1
2483#if TRANSPARENT 2438#if TRANSPARENT
2484 && !am_transparent 2439 && !am_transparent
2485#endif 2440#endif
2506 want_refresh = 1; 2461 want_refresh = 1;
2507} 2462}
2508 2463
2509/* ------------------------------------------------------------------------- */ 2464/* ------------------------------------------------------------------------- */
2510void 2465void
2511rxvt_term::scr_clear (bool really) 2466rxvt_term::scr_clear (bool really) NOTHROW
2512{ 2467{
2513 if (!mapped) 2468 if (!mapped)
2514 return; 2469 return;
2515 2470
2516 num_scr_allow = 0; 2471 num_scr_allow = 0;
2518 2473
2519 if (really) 2474 if (really)
2520 XClearWindow (display->display, vt); 2475 XClearWindow (display->display, vt);
2521} 2476}
2522 2477
2523/* ------------------------------------------------------------------------- */
2524void 2478void
2479rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2480{
2481 int view_end = view_start + nrow;
2482 int row, col;
2483
2484 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2485 {
2486 text_t *stp = ROW(row).t;
2487 rend_t *srp = ROW(row).r;
2488
2489 for (col = beg_col; col < end_col; col++)
2490 srp[col] ^= rstyle1;
2491
2492 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2493 srp[col] ^= rstyle2;
2494
2495 if (++col < end_col)
2496 srp[col] ^= rstyle2;
2497 }
2498}
2499
2500void
2501rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2502{
2503 int view_end = view_start + nrow;
2504 int row, col;
2505
2506 if (beg_row >= view_start)
2507 {
2508 col = beg_col;
2509 row = beg_row;
2510 }
2511 else
2512 {
2513 col = 0;
2514 row = view_start;
2515 }
2516
2517 for (; row < min (end_row, view_end); row++, col = 0)
2518 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2519 srp[col] ^= rstyle;
2520
2521 if (row == end_row)
2522 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2523 srp[col] ^= rstyle;
2524}
2525
2526/* ------------------------------------------------------------------------- */
2527void
2525rxvt_term::scr_reverse_selection () 2528rxvt_term::scr_reverse_selection () NOTHROW
2526{ 2529{
2527 if (selection.op 2530 if (selection.op
2528 && current_screen == selection.screen 2531 && current_screen == selection.screen
2529 && selection.end.row >= -view_start) 2532 && selection.end.row >= view_start)
2530 { 2533 {
2531 int view_end = -view_start + nrow;
2532 int row, col;
2533
2534#if ENABLE_FRILLS 2534#if ENABLE_FRILLS
2535 if (selection.rect) 2535 if (selection.rect)
2536 { 2536 scr_xor_rect (selection.beg.row, selection.beg.col,
2537 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2537 selection.end.row, selection.end.col,
2538 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) 2538 RS_RVid, RS_RVid | RS_Uline);
2539 srp[col] ^= RS_RVid;
2540 }
2541 else 2539 else
2542#endif 2540#endif
2543 { 2541 scr_xor_span (selection.beg.row, selection.beg.col,
2544 if (selection.beg.row >= -view_start) 2542 selection.end.row, selection.end.col,
2545 { 2543 RS_RVid);
2546 col = selection.beg.col;
2547 row = selection.beg.row;
2548 }
2549 else
2550 {
2551 col = 0;
2552 row = view_start;
2553 }
2554
2555 for (; row < min (selection.end.row, view_end); row++, col = 0)
2556 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2557 srp[col] ^= RS_RVid;
2558
2559 if (row == selection.end.row)
2560 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2561 srp[col] ^= RS_RVid;
2562 }
2563 } 2544 }
2564} 2545}
2565 2546
2566/* ------------------------------------------------------------------------- */ 2547/* ------------------------------------------------------------------------- */
2567/* 2548/*
2568 * Dump the whole scrollback and screen to the passed filedescriptor. The 2549 * Dump the whole scrollback and screen to the passed filedescriptor. The
2569 * invoking routine must close the fd. 2550 * invoking routine must close the fd.
2570 */ 2551 */
2571#if 0 2552#if 0
2572void 2553void
2573rxvt_term::scr_dump (int fd) 2554rxvt_term::scr_dump (int fd) NOTHROW
2574{ 2555{
2575 int row, wrote; 2556 int row, wrote;
2576 unsigned int width, towrite; 2557 unsigned int width, towrite;
2577 char r1[] = "\n"; 2558 char r1[] = "\n";
2578 2559
2579 for (row = saveLines - nsaved; 2560 for (row = saveLines - nsaved;
2580 row < saveLines + nrow - 1; row++) 2561 row < saveLines + nrow - 1; row++)
2581 { 2562 {
2582 width = save[row].l >= 0 ? save[row].l 2563 width = row_buf[row].l >= 0 ? row_buf[row].l
2583 : ncol; 2564 : ncol;
2584 for (towrite = width; towrite; towrite -= wrote) 2565 for (towrite = width; towrite; towrite -= wrote)
2585 { 2566 {
2586 wrote = write (fd, & (save[row].t[width - towrite]), 2567 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2587 towrite); 2568 towrite);
2588 if (wrote < 0) 2569 if (wrote < 0)
2589 return; /* XXX: death, no report */ 2570 return; /* XXX: death, no report */
2590 } 2571 }
2591 if (save[row].l >= 0) 2572 if (row_buf[row].l >= 0)
2592 if (write (fd, r1, 1) <= 0) 2573 if (write (fd, r1, 1) <= 0)
2593 return; /* XXX: death, no report */ 2574 return; /* XXX: death, no report */
2594 } 2575 }
2595} 2576}
2596#endif 2577#endif
2597 2578
2598/* ------------------------------------------------------------------------- * 2579/* ------------------------------------------------------------------------- *
2599 * CHARACTER SELECTION * 2580 * CHARACTER SELECTION *
2600 * ------------------------------------------------------------------------- */ 2581 * ------------------------------------------------------------------------- */
2601void 2582void
2602rxvt_term::selection_check (int check_more) 2583rxvt_term::selection_check (int check_more) NOTHROW
2603{ 2584{
2604 row_col_t pos; 2585 row_col_t pos;
2605 2586
2606 if (!selection.op) 2587 if (!selection.op)
2607 return; 2588 return;
2608 2589
2609 pos.row = pos.col = 0; 2590 pos.row = pos.col = 0;
2610 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2591 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2611 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2592 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2612 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2593 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2613 || (check_more == 1 2594 || (check_more == 1
2614 && current_screen == selection.screen 2595 && current_screen == selection.screen
2615 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2596 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2616 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2597 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2617 || (check_more == 2 2598 || (check_more == 2
2628/* ------------------------------------------------------------------------- */ 2609/* ------------------------------------------------------------------------- */
2629/* 2610/*
2630 * Paste a selection direct to the command fd 2611 * Paste a selection direct to the command fd
2631 */ 2612 */
2632void 2613void
2633rxvt_term::paste (unsigned char *data, unsigned int len) 2614rxvt_term::paste (char *data, unsigned int len) NOTHROW
2634{ 2615{
2635 /* convert normal newline chars into common keyboard Return key sequence */ 2616 /* convert normal newline chars into common keyboard Return key sequence */
2636 for (unsigned int i = 0; i < len; i++) 2617 for (unsigned int i = 0; i < len; i++)
2637 if (data[i] == C0_LF) 2618 if (data[i] == C0_LF)
2638 data[i] = C0_CR; 2619 data[i] = C0_CR;
2644/* 2625/*
2645 * Respond to a notification that a primary selection has been sent 2626 * Respond to a notification that a primary selection has been sent
2646 * EXT: SelectionNotify 2627 * EXT: SelectionNotify
2647 */ 2628 */
2648void 2629void
2649rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) 2630rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2650{ 2631{
2651 if (prop == None) /* check for failed XConvertSelection */ 2632 if (prop == None) /* check for failed XConvertSelection */
2652 { 2633 {
2653 if ((selection_type & Sel_CompoundText)) 2634 if ((selection_type & Sel_CompoundText))
2654 { 2635 {
2782 { 2763 {
2783 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2764 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2784 char *s = rxvt_wcstombs (w); 2765 char *s = rxvt_wcstombs (w);
2785 free (w); 2766 free (w);
2786 // TODO: strlen == only the first element will be converted. well... 2767 // TODO: strlen == only the first element will be converted. well...
2787 paste ((unsigned char *)s, strlen (s)); 2768 paste (s, strlen (s));
2788 free (s); 2769 free (s);
2789 } 2770 }
2790 else 2771 else
2791#endif 2772#endif
2792 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2773 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2793 && cl) 2774 && cl)
2794 { 2775 {
2795 for (int i = 0; i < cr; i++) 2776 for (int i = 0; i < cr; i++)
2796 paste ((unsigned char *)cl[i], strlen (cl[i])); 2777 paste (cl[i], strlen (cl[i]));
2797 2778
2798 XFreeStringList (cl); 2779 XFreeStringList (cl);
2799 } 2780 }
2800 else 2781 else
2801 paste (ct.value, ct.nitems); // paste raw 2782 paste ((char *)ct.value, ct.nitems); // paste raw
2802 2783
2803bailout: 2784bailout:
2804 XFree (ct.value); 2785 XFree (ct.value);
2805 2786
2806 if (selection_wait == Sel_normal) 2787 if (selection_wait == Sel_normal)
2807 selection_wait = Sel_none; 2788 selection_wait = Sel_none;
2808} 2789}
2809 2790
2810void 2791void
2811rxvt_term::incr_cb (time_watcher &w) 2792rxvt_term::incr_cb (time_watcher &w) NOTHROW
2812{ 2793{
2813 selection_wait = Sel_none; 2794 selection_wait = Sel_none;
2814 2795
2815 incr_buf_size = 0; 2796 incr_buf_size = 0;
2816 free (incr_buf); 2797 free (incr_buf);
2817 2798
2818 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); 2799 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2819} 2800}
2820 2801
2821void 2802void
2822rxvt_term::selection_property (Window win, Atom prop) 2803rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2823{ 2804{
2824 if (prop == None || selection_wait != Sel_incr) 2805 if (prop == None || selection_wait != Sel_incr)
2825 return; 2806 return;
2826 2807
2827 selection_paste (win, prop, true); 2808 selection_paste (win, prop, true);
2836 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2817 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2837 * will auto fallback to CUT_BUFFER0 2818 * will auto fallback to CUT_BUFFER0
2838 * EXT: button 2 release 2819 * EXT: button 2 release
2839 */ 2820 */
2840void 2821void
2841rxvt_term::selection_request (Time tm, int x, int y) 2822rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2842{ 2823{
2843 if (x < 0 || x >= width || y < 0 || y >= height) 2824 if (selection.text && selnum == Sel_Primary)
2844 return; /* outside window */
2845
2846 if (selection.text)
2847 { /* internal selection */ 2825 { /* internal selection */
2848 char *str = rxvt_wcstombs (selection.text, selection.len); 2826 char *str = rxvt_wcstombs (selection.text, selection.len);
2849 paste ((unsigned char *)str, strlen (str)); 2827 paste (str, strlen (str));
2850 free (str); 2828 free (str);
2851 return; 2829 return;
2852 } 2830 }
2853 else 2831 else
2854 { 2832 {
2855 int i;
2856
2857 selection_request_time = tm; 2833 selection_request_time = tm;
2858 selection_wait = Sel_normal; 2834 selection_wait = Sel_normal;
2859 2835
2860 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2861 {
2862#if X_HAVE_UTF8_STRING 2836#if X_HAVE_UTF8_STRING
2863 selection_type = Sel_UTF8String; 2837 selection_type = Sel_UTF8String;
2864 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2838 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2865 return; 2839 return;
2866#else 2840#else
2867 selection_type = Sel_CompoundText; 2841 selection_type = Sel_CompoundText;
2868 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2842 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2869 return; 2843 return;
2870#endif 2844#endif
2871 }
2872 } 2845 }
2873 2846
2874 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2847 selection_wait = Sel_none; /* don't loop in selection_paste () */
2875 selection_paste (display->root, XA_CUT_BUFFER0, false); 2848 selection_paste (display->root, XA_CUT_BUFFER0, false);
2876} 2849}
2877 2850
2878int 2851int
2879rxvt_term::selection_request_other (Atom target, int selnum) 2852rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2880{ 2853{
2881 Atom sel; 2854 Atom sel;
2882 2855
2883 selection_type |= selnum; 2856 selection_type |= selnum;
2884 2857
2903/* 2876/*
2904 * Clear all selected text 2877 * Clear all selected text
2905 * EXT: SelectionClear 2878 * EXT: SelectionClear
2906 */ 2879 */
2907void 2880void
2908rxvt_term::selection_clear () 2881rxvt_term::selection_clear () NOTHROW
2909{ 2882{
2910 want_refresh = 1; 2883 want_refresh = 1;
2911 free (selection.text); 2884 free (selection.text);
2912 selection.text = NULL; 2885 selection.text = NULL;
2913 selection.len = 0; 2886 selection.len = 0;
2946 selection.op = SELECTION_DONE; 2919 selection.op = SELECTION_DONE;
2947 2920
2948 if (selection.clicks == 4) 2921 if (selection.clicks == 4)
2949 return; /* nothing selected, go away */ 2922 return; /* nothing selected, go away */
2950 2923
2924 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2925 return;
2926
2951 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2927 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2952 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2928 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2953 2929
2954 int ofs = 0; 2930 int ofs = 0;
2955 int extra = 0; 2931 int extra = 0;
2967 col = selection.beg.col; 2943 col = selection.beg.col;
2968 end_col = ncol + 1; 2944 end_col = ncol + 1;
2969 } 2945 }
2970 else 2946 else
2971#endif 2947#endif
2972 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2948 end_col = ROW(row).l;
2973 2949
2974 col = max (col, 0); 2950 col = max (col, 0);
2975 2951
2976 if (row == selection.end.row || selection.rect) 2952 if (row == selection.end.row
2953#if ENABLE_FRILLS
2954 || selection.rect
2955#endif
2956 )
2977 end_col = min (end_col, selection.end.col); 2957 min_it (end_col, selection.end.col);
2978 2958
2979 t = ROW(row).t + col; 2959 t = ROW(row).t + col;
2960
2980 for (; col < end_col; col++) 2961 for (; col < end_col; col++)
2981 { 2962 {
2982 if (*t == NOCHAR) 2963 if (*t == NOCHAR)
2983 t++; 2964 t++;
2984#if ENABLE_COMBINING 2965#if ENABLE_COMBINING
3000#endif 2981#endif
3001 else 2982 else
3002 new_selection_text[ofs++] = *t++; 2983 new_selection_text[ofs++] = *t++;
3003 } 2984 }
3004 2985
2986#if ENABLE_FRILLS
2987 if (selection.rect)
2988 {
2989 while (ofs
2990 && new_selection_text[ofs - 1] != C0_LF
2991 && unicode::is_space (new_selection_text[ofs - 1]))
2992 --ofs;
2993
2994 new_selection_text[ofs++] = C0_LF;
2995 }
2996 else
2997#endif
3005 if (!ROW(row).is_longer () && row != selection.end.row) 2998 if (!ROW(row).is_longer () && row != selection.end.row)
3006 new_selection_text[ofs++] = C0_LF; 2999 new_selection_text[ofs++] = C0_LF;
3007 } 3000 }
3008 3001
3009 if (end_col != selection.end.col) 3002 if (end_col != selection.end.col)
3010 new_selection_text[ofs++] = C0_LF; 3003 new_selection_text[ofs++] = C0_LF;
3011 3004
3021 3014
3022 // we usually allocate much more than necessary, so realloc it smaller again 3015 // we usually allocate much more than necessary, so realloc it smaller again
3023 selection.len = ofs; 3016 selection.len = ofs;
3024 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3017 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3025 3018
3019 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3020 return;
3021
3022 selection_grab (tm);
3023}
3024
3025bool
3026rxvt_term::selection_grab (Time tm) NOTHROW
3027{
3028 selection_time = tm;
3029
3026 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3030 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
3027 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3031 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3032 {
3028 display->set_selection_owner (this); 3033 display->set_selection_owner (this);
3034 return true;
3035 }
3029 else 3036 else
3030 rxvt_warn ("can't get primary selection, ignoring.\n"); 3037 {
3038 selection_clear ();
3039 return false;
3040 }
3031 3041
3032#if 0 3042#if 0
3033 XTextProperty ct; 3043 XTextProperty ct;
3034 3044
3035 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3045 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
3036 { 3046 {
3037 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3047 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
3038 XFree (ct.value); 3048 XFree (ct.value);
3039 } 3049 }
3040#endif 3050#endif
3041
3042 selection_time = tm;
3043} 3051}
3044 3052
3045/* ------------------------------------------------------------------------- */ 3053/* ------------------------------------------------------------------------- */
3046/* 3054/*
3047 * Mark or select text based upon number of clicks: 1, 2, or 3 3055 * Mark or select text based upon number of clicks: 1, 2, or 3
3048 * EXT: button 1 press 3056 * EXT: button 1 press
3049 */ 3057 */
3050void 3058void
3051rxvt_term::selection_click (int clicks, int x, int y) 3059rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3052{ 3060{
3053 clicks = ((clicks - 1) % 3) + 1; 3061 clicks = ((clicks - 1) % 3) + 1;
3054 selection.clicks = clicks; /* save clicks so extend will work */ 3062 selection.clicks = clicks; /* save clicks so extend will work */
3055 3063
3064 if (clicks == 2 && !selection.rect
3065 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3066 {
3067 MEvent.clicks = 1; // what a mess
3068 selection.screen = current_screen;
3069 selection.op = SELECTION_CONT;
3070 return;
3071 }
3072
3056 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3073 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3057 3074
3058 if (clicks == 2 || clicks == 3) 3075 if (clicks == 2 || clicks == 3)
3059 selection_extend_colrow (selection.mark.col, 3076 selection_extend_colrow (selection.mark.col,
3060 selection.mark.row + view_start, 3077 selection.mark.row - view_start,
3061 0, /* button 3 */ 3078 0, /* button 3 */
3062 1, /* button press */ 3079 1, /* button press */
3063 0); /* click change */ 3080 0); /* click change */
3064} 3081}
3065 3082
3066/* ------------------------------------------------------------------------- */ 3083/* ------------------------------------------------------------------------- */
3067/* 3084/*
3068 * Mark a selection at the specified col/row 3085 * Mark a selection at the specified col/row
3069 */ 3086 */
3070void 3087void
3071rxvt_term::selection_start_colrow (int col, int row) 3088rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3072{ 3089{
3073 want_refresh = 1; 3090 want_refresh = 1;
3074 3091
3075 selection.mark.row = row - view_start; 3092 selection.mark.row = row + view_start;
3076 selection.mark.col = col; 3093 selection.mark.col = col;
3077 3094
3078 selection.mark.row = min (max (selection.mark.row, -nsaved), nrow - 1); 3095 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3079 selection.mark.col = min (max (selection.mark.col, 0), ncol - 1); 3096 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3080 3097
3081 while (selection.mark.col > 0 3098 while (selection.mark.col > 0
3082 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3099 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3083 --selection.mark.col; 3100 --selection.mark.col;
3084 3101
3102#define DELIMIT_TEXT(x) \ 3119#define DELIMIT_TEXT(x) \
3103 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3120 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3104#define DELIMIT_REND(x) 1 3121#define DELIMIT_REND(x) 1
3105 3122
3106void 3123void
3107rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3124rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3108{ 3125{
3109 int col, row, dirnadd, tcol, trow, w1, w2; 3126 int col, row, dirnadd, tcol, trow, w1, w2;
3110 row_col_t bound; 3127 row_col_t bound;
3111 text_t *stp; 3128 text_t *stp;
3112 rend_t *srp; 3129 rend_t *srp;
3113 3130
3114 if (dirn == UP) 3131 if (dirn == UP)
3115 { 3132 {
3116 bound.row = - nsaved - 1; 3133 bound.row = top_row - 1;
3117 bound.col = 0; 3134 bound.col = 0;
3118 dirnadd = -1; 3135 dirnadd = -1;
3119 } 3136 }
3120 else 3137 else
3121 { 3138 {
3169 } 3186 }
3170 } 3187 }
3171 break; 3188 break;
3172 } 3189 }
3173 3190
3174Old_Word_Selection_You_Die:
3175 if (dirn == DN) 3191 if (dirn == DN)
3176 col++; /* put us on one past the end */ 3192 col++; /* put us on one past the end */
3177 3193
3178 /* Poke the values back in */ 3194 /* Poke the values back in */
3179 ret->row = row; 3195 ret->row = row;
3187 * flag == 0 ==> button 1 3203 * flag == 0 ==> button 1
3188 * flag == 1 ==> button 3 press 3204 * flag == 1 ==> button 3 press
3189 * flag == 2 ==> button 3 motion 3205 * flag == 2 ==> button 3 motion
3190 */ 3206 */
3191void 3207void
3192rxvt_term::selection_extend (int x, int y, int flag) 3208rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3193{ 3209{
3194 int col = min (max (Pixel2Col (x), 0), nrow - 1); 3210 int col = clamp (Pixel2Col (x), 0, ncol);
3195 int row = min (max (Pixel2Row (y), 0), ncol); 3211 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3196 3212
3197 /* 3213 /*
3198 * If we're selecting characters (single click) then we must check first 3214 * If we're selecting characters (single click) then we must check first
3199 * if we are at the same place as the original mark. If we are then 3215 * if we are at the same place as the original mark. If we are then
3200 * select nothing. Otherwise, if we're to the right of the mark, you have to 3216 * select nothing. Otherwise, if we're to the right of the mark, you have to
3201 * be _past_ a character for it to be selected. 3217 * be _past_ a character for it to be selected.
3202 */ 3218 */
3203 if (((selection.clicks % 3) == 1) && !flag 3219 if (((selection.clicks % 3) == 1) && !flag
3204 && (col == selection.mark.col 3220 && (col == selection.mark.col
3205 && (row == selection.mark.row + view_start))) 3221 && (row == selection.mark.row - view_start)))
3206 { 3222 {
3207 /* select nothing */ 3223 /* select nothing */
3208 selection.beg.row = selection.end.row = 0; 3224 selection.beg.row = selection.end.row = 0;
3209 selection.beg.col = selection.end.col = 0; 3225 selection.beg.col = selection.end.col = 0;
3210 selection.clicks = 4; 3226 selection.clicks = 4;
3223/* ------------------------------------------------------------------------- */ 3239/* ------------------------------------------------------------------------- */
3224/* 3240/*
3225 * Extend the selection to the specified col/row 3241 * Extend the selection to the specified col/row
3226 */ 3242 */
3227void 3243void
3228rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3244rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3229{ 3245{
3230 row_col_t pos; 3246 row_col_t pos;
3231 enum { 3247 enum {
3232 LEFT, RIGHT 3248 LEFT, RIGHT
3233 } closeto = RIGHT; 3249 } closeto = RIGHT;
3265 selection.beg.col = selection.end.col = selection.mark.col; 3281 selection.beg.col = selection.end.col = selection.mark.col;
3266 selection.beg.row = selection.end.row = selection.mark.row; 3282 selection.beg.row = selection.end.row = selection.mark.row;
3267 } 3283 }
3268 3284
3269 pos.col = col; 3285 pos.col = col;
3270 pos.row = row - view_start; 3286 pos.row = view_start + row;
3271 3287
3272 /* 3288 /*
3273 * This is mainly xterm style selection with a couple of differences, mainly 3289 * This is mainly xterm style selection with a couple of differences, mainly
3274 * in the way button3 drag extension works. 3290 * in the way button3 drag extension works.
3275 * We're either doing: button1 drag; button3 press; or button3 drag 3291 * We're either doing: button1 drag; button3 press; or button3 drag
3362 selection_delimit_word (DN, &selection.end, &selection.end); 3378 selection_delimit_word (DN, &selection.end, &selection.end);
3363 } 3379 }
3364 else if (selection.clicks == 3) 3380 else if (selection.clicks == 3)
3365 { 3381 {
3366#if ENABLE_FRILLS 3382#if ENABLE_FRILLS
3367 if (options & Opt_tripleclickwords) 3383 if (OPTION (Opt_tripleclickwords))
3368 { 3384 {
3369 selection_delimit_word (UP, &selection.beg, &selection.beg); 3385 selection_delimit_word (UP, &selection.beg, &selection.beg);
3370 3386
3371 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3387 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3372 { 3388 {
3373 if (!ROW(end_row).is_longer ()) 3389 if (!ROW(end_row).is_longer ())
3374 { 3390 {
3375 selection.end.row = end_row; 3391 selection.end.row = end_row;
3376 selection.end.col = save[end_row + saveLines].l; 3392 selection.end.col = ROW(end_row).l;
3377 selection_remove_trailing_spaces (); 3393 selection_remove_trailing_spaces ();
3378 break; 3394 break;
3379 } 3395 }
3380 } 3396 }
3381 } 3397 }
3413 } 3429 }
3414 } 3430 }
3415 3431
3416#if ENABLE_FRILLS 3432#if ENABLE_FRILLS
3417 if (selection.rect && selection.beg.col > selection.end.col) 3433 if (selection.rect && selection.beg.col > selection.end.col)
3418 SWAP_IT (selection.beg.col, selection.end.col, int); 3434 ::swap (selection.beg.col, selection.end.col);
3419#endif 3435#endif
3420} 3436}
3421 3437
3422#if ENABLE_FRILLS 3438#if ENABLE_FRILLS
3423void 3439void
3424rxvt_term::selection_remove_trailing_spaces () 3440rxvt_term::selection_remove_trailing_spaces () NOTHROW
3425{ 3441{
3426 int32_t end_col, end_row; 3442 int32_t end_col, end_row;
3427 text_t *stp; 3443 text_t *stp;
3428 3444
3429 end_col = selection.end.col; 3445 end_col = selection.end.col;
3433 { 3449 {
3434 stp = ROW(end_row).t; 3450 stp = ROW(end_row).t;
3435 3451
3436 while (--end_col >= 0) 3452 while (--end_col >= 0)
3437 { 3453 {
3438 if (stp[end_col] != ' ' 3454 if (stp[end_col] != NOCHAR
3439 && stp[end_col] != '\t' 3455 && !unicode::is_space (stp[end_col]))
3440 && stp[end_col] != NOCHAR)
3441 break; 3456 break;
3442 } 3457 }
3443 3458
3444 if (end_col >= 0 3459 if (end_col >= 0
3445 || !ROW(end_row - 1).is_longer ()) 3460 || !ROW(end_row - 1).is_longer ())
3468/* 3483/*
3469 * Double click on button 3 when already selected 3484 * Double click on button 3 when already selected
3470 * EXT: button 3 double click 3485 * EXT: button 3 double click
3471 */ 3486 */
3472void 3487void
3473rxvt_term::selection_rotate (int x, int y) 3488rxvt_term::selection_rotate (int x, int y) NOTHROW
3474{ 3489{
3475 selection.clicks = selection.clicks % 3 + 1; 3490 selection.clicks = selection.clicks % 3 + 1;
3476 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3491 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3477} 3492}
3478 3493
3480/* 3495/*
3481 * Respond to a request for our current selection 3496 * Respond to a request for our current selection
3482 * EXT: SelectionRequest 3497 * EXT: SelectionRequest
3483 */ 3498 */
3484void 3499void
3485rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3500rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3486{ 3501{
3487 XSelectionEvent ev; 3502 XSelectionEvent ev;
3488 dDisp; 3503 dDisp;
3489 3504
3490 ev.type = SelectionNotify; 3505 ev.type = SelectionNotify;
3618 3633
3619/* 3634/*
3620 * return col/row values corresponding to x/y pixel values 3635 * return col/row values corresponding to x/y pixel values
3621 */ 3636 */
3622void 3637void
3623rxvt_term::pixel_position (int *x, int *y) 3638rxvt_term::pixel_position (int *x, int *y) NOTHROW
3624{ 3639{
3625 *x = Pixel2Col (*x); 3640 *x = Pixel2Col (*x);
3626 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3641 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3627 *y = Pixel2Row (*y); 3642 *y = Pixel2Row (*y);
3628 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3643 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3629} 3644}
3630 3645
3631/* ------------------------------------------------------------------------- */ 3646/* ------------------------------------------------------------------------- */
3632#ifdef USE_XIM 3647#ifdef USE_XIM
3633void 3648void
3634rxvt_term::im_set_position (XPoint &pos) 3649rxvt_term::im_set_position (XPoint &pos) NOTHROW
3635{ 3650{
3636 XWindowAttributes xwa; 3651 XWindowAttributes xwa;
3637 3652
3638 XGetWindowAttributes (display->display, vt, &xwa); 3653 XGetWindowAttributes (display->display, vt, &xwa);
3639 3654
3642} 3657}
3643#endif 3658#endif
3644 3659
3645#if ENABLE_OVERLAY 3660#if ENABLE_OVERLAY
3646void 3661void
3647rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3662rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3648{ 3663{
3649 if (nrow < 3 || ncol < 3) 3664 if (nrow < 1 || ncol < 1)
3650 return; 3665 return;
3651 3666
3652 want_refresh = 1; 3667 want_refresh = 1;
3653 3668
3654 scr_overlay_off (); 3669 scr_overlay_off ();
3655 3670
3656 if (x < 0) x = ncol - w; 3671 if (x < 0) x = ncol - w;
3657 if (y < 0) y = nrow - h; 3672 if (y < 0) y = nrow - h;
3658 3673
3659 // make space for border 3674 // make space for border
3660 w += 2; MIN_IT (w, ncol); 3675 w += 2; min_it (w, ncol);
3661 h += 2; MIN_IT (h, nrow); 3676 h += 2; min_it (h, nrow);
3662 3677
3663 x -= 1; MAX_IT (x, 0); 3678 x -= 1; clamp_it (x, 0, ncol - w);
3664 y -= 1; MAX_IT (y, 0); 3679 y -= 1; clamp_it (y, 0, nrow - h);
3665
3666 MIN_IT (x, ncol - w);
3667 MIN_IT (y, nrow - h);
3668 3680
3669 ov_x = x; ov_y = y; 3681 ov_x = x; ov_y = y;
3670 ov_w = w; ov_h = h; 3682 ov_w = w; ov_h = h;
3671 3683
3672 ov_text = new text_t *[h]; 3684 ov_text = new text_t *[h];
3700 *rp = r; 3712 *rp = r;
3701 } 3713 }
3702} 3714}
3703 3715
3704void 3716void
3705rxvt_term::scr_overlay_off () 3717rxvt_term::scr_overlay_off () NOTHROW
3706{ 3718{
3707 if (!ov_text) 3719 if (!ov_text)
3708 return; 3720 return;
3709 3721
3710 want_refresh = 1; 3722 want_refresh = 1;
3718 delete [] ov_text; ov_text = 0; 3730 delete [] ov_text; ov_text = 0;
3719 delete [] ov_rend; ov_rend = 0; 3731 delete [] ov_rend; ov_rend = 0;
3720} 3732}
3721 3733
3722void 3734void
3723rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3735rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3724{ 3736{
3725 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3737 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3726 return; 3738 return;
3727 3739
3728 x++, y++; 3740 x++, y++;
3730 ov_text[y][x] = text; 3742 ov_text[y][x] = text;
3731 ov_rend[y][x] = rend; 3743 ov_rend[y][x] = rend;
3732} 3744}
3733 3745
3734void 3746void
3735rxvt_term::scr_overlay_set (int x, int y, const char *s) 3747rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3736{ 3748{
3737 while (*s) 3749 while (*s)
3738 scr_overlay_set (x++, y, *s++); 3750 scr_overlay_set (x++, y, *s++);
3739} 3751}
3740 3752
3741void 3753void
3742rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3754rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3743{ 3755{
3744 while (*s) 3756 while (*s)
3745 { 3757 {
3746 text_t t = *s++; 3758 text_t t = *s++;
3747 int width = wcwidth (t); 3759 int width = wcwidth (t);
3753 } 3765 }
3754 } 3766 }
3755} 3767}
3756 3768
3757void 3769void
3758rxvt_term::scr_swap_overlay () 3770rxvt_term::scr_swap_overlay () NOTHROW
3759{ 3771{
3760 if (!ov_text) 3772 if (!ov_text)
3761 return; 3773 return;
3762 3774
3763 // swap screen mem with overlay 3775 // swap screen mem with overlay
3764 for (int y = ov_h; y--; ) 3776 for (int y = ov_h; y--; )
3765 { 3777 {
3766 text_t *t1 = ov_text[y]; 3778 text_t *t1 = ov_text[y];
3767 rend_t *r1 = ov_rend[y]; 3779 rend_t *r1 = ov_rend[y];
3768 3780
3769 text_t *t2 = ROW(y - view_start).t + ov_x; 3781 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3770 rend_t *r2 = ROW(y - view_start).r + ov_x; 3782 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3771 3783
3772 for (int x = ov_w; x--; ) 3784 for (int x = ov_w; x--; )
3773 { 3785 {
3774 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3786 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3775 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3787 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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