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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.323 by root, Tue Nov 4 23:53:29 2008 UTC vs.
Revision 1.464 by root, Thu Aug 4 18:11:59 2022 UTC

1/*---------------------------------------------------------------------------* 1/*---------------------------------------------------------------------------*
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) 2003-2007 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * 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 10 * 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 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */ 30#include "rxvtperl.h" /* NECESSARY */
30 31
31#include <inttypes.h> 32#include <inttypes.h>
32 33
33#include "salloc.C" // HACK, should be a seperate compile! 34static inline void
34
35static inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
36{ 36{
37 while (len--) 37 while (len--)
38 *start++ = value; 38 *start++ = value;
39} 39}
40 40
41/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
42#define PROP_SIZE 256*1024
43#define PASTE_SIZE 32768
44#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
45 43
46/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
97 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
98 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
99 97
100/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
101void 99void
102rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
103{ 101{
104 if (!l.t) 102 if (!l.valid ())
105 { 103 {
106 lalloc (l); 104 l.alloc ();
107 col = 0; 105 col = 0;
108 width = ncol; 106 width = ncol;
109 } 107 }
110 108
111 l.touch (); 109 l.touch ();
112 110
113 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles 111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
114 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
115 113
116 text_t *et = l.t + col; 114 text_t *et = l.t + col;
117 rend_t *er = l.r + col; 115 rend_t *er = l.r + col;
118 116
119 while (width--) 117 while (width--)
124} 122}
125 123
126/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
127/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
128void 126void
129rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
130{ 128{
131 scr_blank_line (l, 0, ncol, efs); 129 scr_blank_line (l, 0, ncol, efs);
132 130
133 l.l = 0; 131 l.l = 0;
134 l.f = 0; 132 l.f = 0;
135} 133}
136 134
137// nuke a single wide character at the given column 135// nuke a single wide character at the given column
138void 136void
139rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
140{ 138{
141 // find begin 139 // find begin
142 while (col > 0 && l.t[col] == NOCHAR) 140 while (col > 0 && l.t[col] == NOCHAR)
143 col--; 141 col--;
144 142
145 rend_t rend = l.r[col] & ~RS_baseattrMask; 143 rend_t rend = l.r[col] & ~RS_baseattrMask;
146 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147 147
148 // found start, nuke 148 // found start, nuke
149 do { 149 do {
150 l.t[col] = ' '; 150 l.t[col] = ' ';
151 l.r[col] = rend; 151 l.r[col] = rend;
152 col++; 152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR); 153 } while (col < ncol && l.t[col] == NOCHAR);
154} 154}
155 155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
164}
165
156/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
157 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
158 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
159 169
160void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
161rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
162{ 216{
163 scr_soft_reset (); 217#if ENABLE_OVERLAY
218 scr_overlay_off ();
219#endif
164 220
165 view_start = 0; 221 view_start = 0;
166 num_scr = 0; 222 num_scr = 0;
167 223
168 if (ncol == 0) 224 if (ncol == 0)
189 total_rows = nrow + saveLines; 245 total_rows = nrow + saveLines;
190 246
191 screen.tscroll = 0; 247 screen.tscroll = 0;
192 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
193 249
250 void *prev_chunk = chunk;
251 size_t prev_chunk_size = chunk_size;
252 line_t *prev_drawn_buf = drawn_buf;
253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
194 if (!row_buf) 258 if (!prev_row_buf)
195 { 259 {
196 /*
197 * first time called so just malloc everything: don't rely on realloc
198 */
199 top_row = 0; 260 top_row = 0;
200 term_start = 0; 261 term_start = 0;
201
202 talloc = new rxvt_salloc (ncol * sizeof (text_t));
203 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204
205 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
206 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208
209 for (int row = nrow; row--; )
210 {
211 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
213 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
214 }
215 262
216 memset (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
217 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
218 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
219 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
233 selection.text = NULL; 280 selection.text = NULL;
234 selection.len = 0; 281 selection.len = 0;
235 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
236 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
237 selection.clicks = 0; 284 selection.clicks = 0;
285 selection.clip_text = NULL;
286 selection.clip_len = 0;
238 } 287 }
239 else 288 else
240 { 289 {
241 /* 290 /*
242 * add or delete rows as appropriate 291 * add or delete rows as appropriate
243 */ 292 */
244 293
245 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t)); 294 int common_col = min (prev_ncol, ncol);
246 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
247 295
248#if 0 296 // resize swap_buf, blank drawn_buf
249 if (nrow < prev_nrow)
250 {
251 for (int row = nrow; row < prev_nrow; row++)
252 {
253 lfree (swap_buf [row]);
254 lfree (drawn_buf[row]);
255 }
256 }
257#endif
258
259 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
260 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
261
262 for (int row = min (nrow, prev_nrow); row--; ) 297 for (int row = min (nrow, prev_nrow); row--; )
263 { 298 {
264 lresize (drawn_buf[row]); 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
265 lresize (swap_buf [row]); 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
266 } 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
267 302
268 for (int row = prev_nrow; row < nrow; row++) 303 copy_line (swap_buf [row], prev_swap_buf [row]);
269 { 304 }
270 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
271 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
272 }
273
274 line_t *old_buf = row_buf;
275 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
276 305
277 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
278 int pend = MOD (term_start + top_row , prev_total_rows); 307 int pend = MOD (term_start + top_row , prev_total_rows);
279 int q = total_rows; // rewrapped row 308 int q = total_rows; // rewrapped row
280 309
281 if (top_row) 310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
282 { 312 {
283 // Re-wrap lines. This is rather ugly, possibly because I am too dumb 313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
284 // to come up with a lean and mean algorithm. 314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
285 316
286 row_col_t ocur = screen.cur; 317 row_col_t ocur = screen.cur;
287 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
288 319
289 do 320 do
290 { 321 {
291 p = MOD (p - 1, prev_total_rows); 322 p = MOD (p - 1, prev_total_rows);
292#ifdef DEBUG_STRICT
293 assert (old_buf [MOD (p, prev_total_rows)].t); 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
294#endif
295 int plines = 1; 324 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297 326
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299 { 328 {
300 p = MOD (p - 1, prev_total_rows); 329 p = MOD (p - 1, prev_total_rows);
301 330
302 plines++; 331 plines++;
303 llen += prev_ncol; 332 llen += prev_ncol;
304 } 333 }
305 334
306 int qlines = max (0, (llen - 1) / ncol) + 1; 335 int qlines = max (0, (llen - 1) / ncol) + 1;
307 336
337 q -= qlines;
338
308 // drop partial lines completely 339 // drop partial lines completely
309 if (q < qlines) 340 if (q < 0)
310 break; 341 break;
311
312 q -= qlines;
313 342
314 int lofs = 0; 343 int lofs = 0;
315 line_t *qline; 344 line_t *qline;
316 345
317 // re-assemble the full line by destination lines 346 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 347 for (int qrow = q; qlines--; qrow++)
319 { 348 {
320 qline = row_buf + qrow; 349 qline = row_buf + qrow;
321 lalloc (*qline); 350 qline->alloc (); // redundant with next line
322 qline->l = ncol; 351 qline->l = ncol;
323 qline->is_longer (1); 352 qline->is_longer (1);
324 353
325 int qcol = 0; 354 int qcol = 0;
326 355
341 // this seems to upset applications/shells/readline 370 // this seems to upset applications/shells/readline
342 // least. 371 // least.
343 if (prow == ocur.row) 372 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow); 373 screen.cur.row = q - (total_rows - nrow);
345 374
346 line_t &pline = old_buf [prow]; 375 line_t &pline = prev_row_buf [prow];
347 376
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349 378
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
358 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
359 qline->is_longer (0); 388 qline->is_longer (0);
360 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
361 } 390 }
362 while (p != pend && q > 0); 391 while (p != pend && q > 0);
363
364 term_start = total_rows - nrow;
365 top_row = q - term_start;
366
367 // make sure all terminal lines exist
368 while (top_row > 0)
369 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
370 } 392 }
371 else 393 else
394#endif
395 {
396 // wing, instead of wrap
372 { 397 do
373 // if no scrollback exists (yet), wing, instead of wrap
374
375 for (int row = min (nrow, prev_nrow); row--; )
376 { 398 {
377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 399 p = MOD (p - 1, prev_total_rows);
378 line_t &qline = row_buf [row]; 400 q--;
379 401
380 qline = pline; 402 copy_line (row_buf [q], prev_row_buf [p]);
381 lresize (qline);
382 } 403 }
383 404 while (p != pend);
384 for (int row = prev_nrow; row < nrow; row++)
385 {
386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387 } 405 }
388 406
389 term_start = 0; 407 term_start = total_rows - nrow;
390 } 408 top_row = q - term_start;
391 409
392 free (old_buf); 410 // make sure all terminal lines exist
393 delete old_ta; 411 while (top_row > 0)
394 delete old_ra; 412 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
395 413
396 clamp_it (screen.cur.row, 0, nrow - 1); 414 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1); 415 clamp_it (screen.cur.col, 0, ncol - 1);
398 } 416 }
399 417
418 for (int row = nrow; row--; )
419 {
420 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
421 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
422 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
423 }
424
425 chunk_free (prev_chunk, prev_chunk_size);
426
427 free (tabs);
428 tabs = (char *)rxvt_malloc (ncol);
429
430 for (int col = ncol; col--; )
431 tabs [col] = col % TABSIZE == 0;
432
400 CLEAR_ALL_SELECTION (); 433 CLEAR_ALL_SELECTION ();
401 434
402 prev_nrow = nrow; 435 prev_nrow = nrow;
403 prev_ncol = ncol; 436 prev_ncol = ncol;
404 437
405 tt_winch (); 438 tt_winch ();
406 439
407 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 440 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
408} 441}
409 442
410/* ------------------------------------------------------------------------- */ 443void ecb_cold
411/*
412 * Free everything. That way malloc debugging can find leakage.
413 */
414void
415rxvt_term::scr_release () NOTHROW 444rxvt_term::scr_release () noexcept
416{ 445{
417 if (row_buf) 446 chunk_free (chunk, chunk_size);
418 { 447 chunk = 0;
419 delete talloc; talloc = 0; 448 row_buf = 0;
420 delete ralloc; ralloc = 0;
421 449
422 free (row_buf);
423 free (swap_buf);
424 free (drawn_buf);
425 row_buf = 0; // signal that we freed all the arrays above
426
427 free (tabs); 450 free (tabs);
428 tabs = 0; 451 tabs = 0;
429 }
430} 452}
431 453
432/* ------------------------------------------------------------------------- */ 454/* ------------------------------------------------------------------------- */
433/* 455/*
434 * Hard/Soft reset 456 * Hard/Soft reset
435 */ 457 */
436void 458void ecb_cold
437rxvt_term::scr_poweron () 459rxvt_term::scr_poweron ()
438{ 460{
439 scr_release (); 461 scr_release ();
462
440 prev_nrow = prev_ncol = 0; 463 prev_nrow = prev_ncol = 0;
464 rvideo_mode = false;
465 scr_soft_reset ();
441 scr_reset (); 466 scr_reset ();
442 467
443 scr_clear (true); 468 scr_clear (true);
444 scr_refresh (); 469 scr_refresh ();
445} 470}
446 471
447void 472void ecb_cold
448rxvt_term::scr_soft_reset () 473rxvt_term::scr_soft_reset () noexcept
449{ 474{
450 /* only affects modes, nothing drastic such as clearing the screen */ 475 /* only affects modes, nothing drastic such as clearing the screen */
451#if ENABLE_OVERLAY 476#if ENABLE_OVERLAY
452 scr_overlay_off (); 477 scr_overlay_off ();
453#endif 478#endif
454 479
455 rvideo_mode = false;
456
457 if (current_screen != PRIMARY) 480 if (current_screen != PRIMARY)
458 scr_swap_screen (); 481 scr_swap_screen ();
459
460 free (tabs);
461 tabs = (char *)rxvt_malloc (ncol);
462
463 for (int col = ncol; --col; )
464 tabs [col] = col % TABSIZE == 0;
465 482
466 scr_scroll_region (0, MAX_ROWS - 1); 483 scr_scroll_region (0, MAX_ROWS - 1);
467 scr_rendition (0, ~RS_None); 484 scr_rendition (0, ~RS_None);
468 scr_insert_mode (0); 485 scr_insert_mode (0);
469} 486}
475 * Save and Restore cursor 492 * Save and Restore cursor
476 * XTERM_SEQ: Save cursor : ESC 7 493 * XTERM_SEQ: Save cursor : ESC 7
477 * XTERM_SEQ: Restore cursor: ESC 8 494 * XTERM_SEQ: Restore cursor: ESC 8
478 */ 495 */
479void 496void
480rxvt_term::scr_cursor (cursor_mode mode) NOTHROW 497rxvt_term::scr_cursor (cursor_mode mode) noexcept
481{ 498{
482 screen_t *s; 499 screen_t *s;
483 500
484#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 501#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
485 if (current_screen == SECONDARY) 502 if (current_screen == SECONDARY)
511 } 528 }
512 529
513 /* boundary check in case screen size changed between SAVE and RESTORE */ 530 /* boundary check in case screen size changed between SAVE and RESTORE */
514 min_it (s->cur.row, nrow - 1); 531 min_it (s->cur.row, nrow - 1);
515 min_it (s->cur.col, ncol - 1); 532 min_it (s->cur.col, ncol - 1);
516#ifdef DEBUG_STRICT
517 assert (s->cur.row >= 0); 533 assert (s->cur.row >= 0);
518 assert (s->cur.col >= 0); 534 assert (s->cur.col >= 0);
519#endif
520} 535}
521 536
522void 537void
523rxvt_term::scr_swap_screen () 538rxvt_term::scr_swap_screen () noexcept
524{ 539{
525 if (!option (Opt_secondaryScreen)) 540 if (!option (Opt_secondaryScreen))
526 return; 541 return;
527 542
528 for (int i = prev_nrow; i--; ) 543 for (int i = prev_nrow; i--; )
547 return; 562 return;
548 563
549 want_refresh = 1; 564 want_refresh = 1;
550 view_start = 0; 565 view_start = 0;
551 566
552 selection_check (2); /* check for boundary cross */ 567 /* check for boundary cross */
568 row_col_t pos;
569 pos.row = pos.col = 0;
570 if (ROWCOL_IS_BEFORE (selection.beg, pos)
571 && ROWCOL_IS_AFTER (selection.end, pos))
572 CLEAR_SELECTION ();
553 573
554 int i = current_screen; current_screen = scrn; scrn = i; 574 current_screen = scrn;
555 575
556#if NSCREENS 576#if NSCREENS
557 if (option (Opt_secondaryScreen)) 577 if (option (Opt_secondaryScreen))
558 { 578 {
559 num_scr = 0; 579 num_scr = 0;
571 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 591 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
572} 592}
573 593
574// clear WrapNext indicator, solidifying position on next line 594// clear WrapNext indicator, solidifying position on next line
575void 595void
576rxvt_term::scr_do_wrap () NOTHROW 596rxvt_term::scr_do_wrap () noexcept
577{ 597{
578 if (!(screen.flags & Screen_WrapNext)) 598 if (!(screen.flags & Screen_WrapNext))
579 return; 599 return;
580 600
581 screen.flags &= ~Screen_WrapNext; 601 screen.flags &= ~Screen_WrapNext;
591/* ------------------------------------------------------------------------- */ 611/* ------------------------------------------------------------------------- */
592/* 612/*
593 * Change the colour for following text 613 * Change the colour for following text
594 */ 614 */
595void 615void
596rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 616rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
597{ 617{
598 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) 618 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
599 color = fgbg; 619 color = fgbg;
600 620
601 if (fgbg == Color_fg) 621 if (fgbg == Color_fg)
602 rstyle = SET_FGCOLOR (rstyle, color); 622 rstyle = SET_FGCOLOR (rstyle, color);
603 else 623 else
607/* ------------------------------------------------------------------------- */ 627/* ------------------------------------------------------------------------- */
608/* 628/*
609 * Change the rendition style for following text 629 * Change the rendition style for following text
610 */ 630 */
611void 631void
612rxvt_term::scr_rendition (int set, int style) NOTHROW 632rxvt_term::scr_rendition (int set, int style) noexcept
613{ 633{
614 if (set) 634 if (set)
615 rstyle |= style; 635 rstyle |= style;
616 else if (style == ~RS_None) 636 else if (style == ~RS_None)
617 rstyle = DEFAULT_RSTYLE; 637 rstyle = DEFAULT_RSTYLE;
623/* 643/*
624 * Scroll text between <row1> and <row2> inclusive, by <count> lines 644 * Scroll text between <row1> and <row2> inclusive, by <count> lines
625 * count positive ==> scroll up 645 * count positive ==> scroll up
626 * count negative ==> scroll down 646 * count negative ==> scroll down
627 */ 647 */
628int 648int ecb_hot
629rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 649rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
630{ 650{
631 if (count == 0 || (row1 > row2)) 651 if (count == 0 || (row1 > row2))
632 return 0; 652 return 0;
633 653
634 want_refresh = 1; 654 want_refresh = 1;
636 656
637 if (count > 0 657 if (count > 0
638 && row1 == 0 658 && row1 == 0
639 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 659 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
640 { 660 {
661 min_it (count, total_rows - (nrow - (row2 + 1)));
662
641 top_row = max (top_row - count, -saveLines); 663 top_row = max (top_row - count, -saveLines);
642
643 // scroll everything up 'count' lines
644 term_start = (term_start + count) % total_rows;
645 664
646 // sever bottommost line 665 // sever bottommost line
647 { 666 {
648 line_t &l = ROW(row2 - count); 667 line_t &l = ROW(row2);
649 l.is_longer (0); 668 l.is_longer (0);
650 l.touch (); 669 l.touch ();
651 } 670 }
652 671
672 // scroll everything up 'count' lines
673 term_start = (term_start + count) % total_rows;
674
675 // now copy lines below the scroll region bottom to the
676 // bottom of the screen again, so they look as if they
677 // hadn't moved.
678 for (int i = nrow; --i > row2; )
679 {
680 line_t &l1 = ROW(i - count);
681 line_t &l2 = ROW(i);
682
683 ::swap (l1, l2);
684 l2.touch ();
685 }
686
653 // erase newly scrolled-in lines 687 // erase newly scrolled-in lines
654 for (int i = count; i--; ) 688 for (int i = count; i--; )
655 { 689 {
656 line_t &l = ROW(nrow - 1 - i); 690 line_t &l = ROW(row2 - i);
657 691
658 // optimize if already cleared, can be significant on slow machines 692 // optimise if already cleared, can be significant on slow machines
659 // could be rolled into scr_blank_screen_mem 693 // could be rolled into scr_blank_screen_mem
660 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 694 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
661 { 695 {
662 scr_blank_line (l, 0, l.l, rstyle); 696 scr_blank_line (l, 0, l.l, rstyle);
663 l.l = 0; 697 l.l = 0;
665 } 699 }
666 else 700 else
667 scr_blank_screen_mem (l, rstyle); 701 scr_blank_screen_mem (l, rstyle);
668 } 702 }
669 703
670 // now copy lines below the scroll region bottom to the
671 // bottom of the screen again, so they look as if they
672 // hadn't moved.
673 for (int i = nrow; --i > row2; )
674 {
675 line_t &l1 = ROW(i - count);
676 line_t &l2 = ROW(i);
677
678 ::swap (l1, l2);
679 l2.touch ();
680 }
681
682 // move and/or clear selection, if any 704 // move and/or clear selection, if any
683 if (selection.op && current_screen == selection.screen) 705 if (selection.op && current_screen == selection.screen
706 && selection.beg.row <= row2)
684 { 707 {
685 selection.beg.row -= count; 708 selection.beg.row -= count;
686 selection.end.row -= count; 709 selection.end.row -= count;
687 selection.mark.row -= count; 710 selection.mark.row -= count;
688 711
689 if (selection.beg.row < top_row 712 selection_check (0);
690 || selection.end.row < top_row
691 || selection.mark.row < top_row)
692 {
693 CLEAR_ALL_SELECTION ();
694 selection.op = SELECTION_CLEAR;
695 }
696 } 713 }
697 714
698 // finally move the view window, if desired 715 // finally move the view window, if desired
699 if (option (Opt_scrollWithBuffer) 716 if (option (Opt_scrollWithBuffer)
700 && view_start != 0 717 && view_start != 0
701 && view_start != -saveLines) 718 && view_start != -saveLines)
702 scr_page (UP, count); 719 scr_page (count);
703 720
704 if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) 721 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
705 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); 722 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
706 } 723 }
707 else 724 else
730 } 747 }
731 748
732 // use a simple and robust scrolling algorithm, this 749 // use a simple and robust scrolling algorithm, this
733 // part of scr_scroll_text is not time-critical. 750 // part of scr_scroll_text is not time-critical.
734 751
752 // sever line above scroll region
753 if (row1)
754 {
755 line_t &l = ROW(row1 - 1);
756 l.is_longer (0);
757 l.touch ();
758 }
759
735 int rows = row2 - row1 + 1; 760 int rows = row2 - row1 + 1;
736 761
737 min_it (count, rows); 762 min_it (count, rows);
738 763
739 line_t *temp_buf = row_buf + total_rows; 764 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
740 765
741 for (int row = 0; row < rows; row++) 766 for (int row = 0; row < rows; row++)
742 { 767 {
743 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 768 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
744 769
746 scr_blank_screen_mem (temp_buf [row], rstyle); 771 scr_blank_screen_mem (temp_buf [row], rstyle);
747 } 772 }
748 773
749 for (int row = 0; row < rows; row++) 774 for (int row = 0; row < rows; row++)
750 ROW(row1 + row) = temp_buf [row]; 775 ROW(row1 + row) = temp_buf [row];
776
777 // sever bottommost line
778 {
779 line_t &l = ROW(row2);
780 l.is_longer (0);
781 l.touch ();
782 }
751 } 783 }
752 784
753 return count; 785 return count;
754} 786}
755 787
756/* ------------------------------------------------------------------------- */ 788/* ------------------------------------------------------------------------- */
757/* 789/*
758 * Add text given in <str> of length <len> to screen struct 790 * Add text given in <str> of length <len> to screen struct
759 */ 791 */
760void 792void ecb_hot
761rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 793rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
762{ 794{
763 if (len <= 0) /* sanity */ 795 if (len <= 0) /* sanity */
764 return; 796 return;
765 797
766 unsigned char checksel; 798 bool checksel;
767 unicode_t c; 799 unicode_t c;
768 int ncol = this->ncol; 800 int ncol = this->ncol;
769 const wchar_t *strend = str + len; 801 const wchar_t *strend = str + len;
770 802
771 want_refresh = 1; 803 want_refresh = 1;
784 scr_scroll_text (screen.tscroll, screen.bscroll, minlines); 816 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
785 screen.cur.row -= minlines; 817 screen.cur.row -= minlines;
786 } 818 }
787 } 819 }
788 820
789#ifdef DEBUG_STRICT
790 assert (screen.cur.col < ncol); 821 assert (screen.cur.col < ncol);
791 assert (screen.cur.row < nrow 822 assert (screen.cur.row < nrow
792 && screen.cur.row >= top_row); 823 && screen.cur.row >= top_row);
793#endif
794 int row = screen.cur.row; 824 int row = screen.cur.row;
795 825
796 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 826 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
797 827
798 line_t *line = &ROW(row); 828 line_t *line = &ROW(row);
799 829
800 while (str < strend) 830 while (str < strend)
801 { 831 {
802 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 832 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
803 833
804 if (expect_false (c < 0x20)) 834 if (ecb_unlikely (c < 0x20))
805 if (c == C0_LF) 835 if (c == C0_LF)
806 { 836 {
807 max_it (line->l, screen.cur.col); 837 max_it (line->l, screen.cur.col);
808 838
809 screen.flags &= ~Screen_WrapNext; 839 screen.flags &= ~Screen_WrapNext;
828 { 858 {
829 scr_tab (1, true); 859 scr_tab (1, true);
830 continue; 860 continue;
831 } 861 }
832 862
833 if (expect_false ( 863 if (ecb_unlikely (
834 checksel /* see if we're writing within selection */ 864 checksel /* see if we're writing within selection */
835 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 865 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
836 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 866 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
837 )) 867 ))
838 { 868 {
843 * should be a similar check. 873 * should be a similar check.
844 */ 874 */
845 CLEAR_SELECTION (); 875 CLEAR_SELECTION ();
846 } 876 }
847 877
848 if (expect_false (screen.flags & Screen_WrapNext)) 878 if (ecb_unlikely (screen.flags & Screen_WrapNext))
849 { 879 {
850 scr_do_wrap (); 880 scr_do_wrap ();
851 881
852 line->l = ncol; 882 line->l = ncol;
853 line->is_longer (1); 883 line->is_longer (1);
855 row = screen.cur.row; 885 row = screen.cur.row;
856 line = &ROW(row); /* _must_ refresh */ 886 line = &ROW(row); /* _must_ refresh */
857 } 887 }
858 888
859 // some utf-8 decoders "decode" surrogate characters: let's fix this. 889 // some utf-8 decoders "decode" surrogate characters: let's fix this.
860 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 890 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
861 c = 0xfffd; 891 c = 0xfffd;
862 892
863 // rely on wcwidth to tell us the character width, do wcwidth before 893 // rely on wcwidth to tell us the character width, do wcwidth before
864 // further replacements, as wcwidth might return -1 for the line 894 // further replacements, as wcwidth might return -1 for the line
865 // drawing characters below as they might be invalid in the current 895 // drawing characters below as they might be invalid in the current
866 // locale. 896 // locale.
867 int width = WCWIDTH (c); 897 int width = WCWIDTH (c);
868 898
869 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 899 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
870 { 900 {
871 // vt100 special graphics and line drawing 901 // vt100 special graphics and line drawing
872 // 5f-7e standard vt100 902 // 5f-7e standard vt100
873 // 40-5e rxvt extension for extra curses acs chars 903 // 40-5e rxvt extension for extra curses acs chars
874 static uint16_t vt100_0[62] = { // 41 .. 7e 904 static uint16_t vt100_0[62] = { // 41 .. 7e
887 c = vt100_0[c - 0x41]; 917 c = vt100_0[c - 0x41];
888 width = 1; // vt100 line drawing characters are always single-width 918 width = 1; // vt100 line drawing characters are always single-width
889 } 919 }
890 } 920 }
891 921
892 if (expect_false (screen.flags & Screen_Insert)) 922 if (ecb_unlikely (screen.flags & Screen_Insert))
893 scr_insdel_chars (width, INSERT); 923 scr_insdel_chars (width, INSERT);
894 924
895 if (width != 0) 925 if (width != 0)
896 { 926 {
897#if !UNICODE_3 927#if !UNICODE_3
902# else 932# else
903 c = 0xfffd; 933 c = 0xfffd;
904# endif 934# endif
905#endif 935#endif
906 936
937 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
938
939 // if the character doesn't fit into the remaining columns...
940 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
941 {
942 if (screen.flags & Screen_Autowrap)
943 {
944 // ... artificially enlargen the previous one
945 c = NOCHAR;
946 // and try the same character next loop iteration
947 --str;
948 }
949 else
950 screen.cur.col = ncol - width;
951 }
952
907 // nuke the character at this position, if required 953 // nuke the character at this position, if required
908 if (expect_false ( 954 // due to wonderful coincidences everywhere else in this loop
955 // we never have to check for overwriting a wide char itself,
956 // only its tail.
909 line->t[screen.cur.col] == NOCHAR 957 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
910 || (screen.cur.col < ncol - 1
911 && line->t[screen.cur.col + 1] == NOCHAR)
912 ))
913 scr_kill_char (*line, screen.cur.col); 958 scr_kill_char (*line, screen.cur.col);
914
915 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
916
917 // if the character doesn't fit into the remaining columns...
918 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
919 {
920 // ... artificially enlargen the previous one
921 c = NOCHAR;
922 // and try the same character next loop iteration
923 --str;
924 }
925 959
926 line->touch (); 960 line->touch ();
927 961
928 do 962 do
929 { 963 {
930 line->t[screen.cur.col] = c; 964 line->t[screen.cur.col] = c;
931 line->r[screen.cur.col] = rend; 965 line->r[screen.cur.col] = rend;
932 966
933 if (expect_true (screen.cur.col < ncol - 1)) 967 if (ecb_likely (screen.cur.col < ncol - 1))
934 screen.cur.col++; 968 screen.cur.col++;
935 else 969 else
936 { 970 {
937 line->l = ncol; 971 line->l = ncol;
938 if (screen.flags & Screen_Autowrap) 972 if (screen.flags & Screen_Autowrap)
939 screen.flags |= Screen_WrapNext; 973 screen.flags |= Screen_WrapNext;
940 break; 974
975 goto end_of_line;
941 } 976 }
942 977
943 c = NOCHAR; 978 c = NOCHAR;
944 } 979 }
945 while (expect_false (--width > 0)); 980 while (ecb_unlikely (--width > 0));
946 981
947 // pad with spaces when overwriting wide character with smaller one 982 // pad with spaces when overwriting wide character with smaller one
948 if (expect_false (!width)) 983 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
949 { 984 {
950 line->touch ();
951
952 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
953 {
954 line->t[c] = ' '; 985 line->t[c] = ' ';
955 line->r[c] = rend; 986 line->r[c] = rend;
956 }
957 } 987 }
988
989end_of_line:
990 ;
958 } 991 }
959#if ENABLE_COMBINING 992#if ENABLE_COMBINING
960 else // width == 0 993 else // width == 0
961 { 994 {
962 if (c != 0xfeff) // ignore BOM 995 if (c != 0xfeff) // ignore BOM
977 } 1010 }
978 else if (screen.cur.row > 0 1011 else if (screen.cur.row > 0
979 && ROW(screen.cur.row - 1).is_longer ()) 1012 && ROW(screen.cur.row - 1).is_longer ())
980 { 1013 {
981 linep = &ROW(screen.cur.row - 1); 1014 linep = &ROW(screen.cur.row - 1);
982 tp = line->t + ncol - 1; 1015 tp = linep->t + ncol - 1;
983 rp = line->r + ncol - 1; 1016 rp = linep->r + ncol - 1;
984 } 1017 }
985 else 1018 else
986 continue; 1019 continue;
987 1020
988 linep->touch (); 1021 linep->touch ();
1002#endif 1035#endif
1003 } 1036 }
1004 1037
1005 max_it (line->l, screen.cur.col); 1038 max_it (line->l, screen.cur.col);
1006 1039
1007#ifdef DEBUG_STRICT
1008 assert (screen.cur.row >= 0); 1040 assert (screen.cur.row >= 0);
1009#endif
1010} 1041}
1011 1042
1012/* ------------------------------------------------------------------------- */ 1043/* ------------------------------------------------------------------------- */
1013/* 1044/*
1014 * Process Backspace. Move back the cursor back a position, wrap if have to 1045 * Process Backspace. Move back the cursor back a position, wrap if have to
1015 * XTERM_SEQ: CTRL-H 1046 * XTERM_SEQ: CTRL-H
1016 */ 1047 */
1017void 1048void
1018rxvt_term::scr_backspace () NOTHROW 1049rxvt_term::scr_backspace () noexcept
1019{ 1050{
1020 if (screen.cur.col == 0) 1051 if (screen.cur.col == 0)
1021 { 1052 {
1022 if (screen.cur.row > 0) 1053 if (screen.cur.row > 0)
1023 { 1054 {
1027 1058
1028 want_refresh = 1; 1059 want_refresh = 1;
1029#endif 1060#endif
1030 } 1061 }
1031 } 1062 }
1063 else if (screen.flags & Screen_WrapNext)
1064 screen.flags &= ~Screen_WrapNext;
1032 else 1065 else
1033 scr_gotorc (0, -1, RELATIVE); 1066 scr_gotorc (0, -1, RELATIVE);
1034} 1067}
1035 1068
1036/* ------------------------------------------------------------------------- */ 1069/* ------------------------------------------------------------------------- */
1038 * Process Horizontal Tab 1071 * Process Horizontal Tab
1039 * count: +ve = forward; -ve = backwards 1072 * count: +ve = forward; -ve = backwards
1040 * XTERM_SEQ: CTRL-I 1073 * XTERM_SEQ: CTRL-I
1041 */ 1074 */
1042void 1075void
1043rxvt_term::scr_tab (int count, bool ht) NOTHROW 1076rxvt_term::scr_tab (int count, bool ht) noexcept
1044{ 1077{
1045 int i, x; 1078 int i, x;
1046 1079
1047 want_refresh = 1; 1080 want_refresh = 1;
1048 i = x = screen.cur.col; 1081 i = x = screen.cur.col;
1114 * XTERM_SEQ: ESC 6 1147 * XTERM_SEQ: ESC 6
1115 * Move cursor left in row. If we're at the left boundary, shift everything 1148 * Move cursor left in row. If we're at the left boundary, shift everything
1116 * in that row right. Clear left column. 1149 * in that row right. Clear left column.
1117 */ 1150 */
1118#if !ENABLE_MINIMAL 1151#if !ENABLE_MINIMAL
1119void 1152void ecb_cold
1120rxvt_term::scr_backindex () NOTHROW 1153rxvt_term::scr_backindex () noexcept
1121{ 1154{
1122 if (screen.cur.col > 0) 1155 if (screen.cur.col > 0)
1123 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1156 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1124 else 1157 else
1125 scr_insdel_chars (1, INSERT); 1158 scr_insdel_chars (1, INSERT);
1131 * XTERM_SEQ: ESC 9 1164 * XTERM_SEQ: ESC 9
1132 * Move cursor right in row. If we're at the right boundary, shift everything 1165 * Move cursor right in row. If we're at the right boundary, shift everything
1133 * in that row left. Clear right column. 1166 * in that row left. Clear right column.
1134 */ 1167 */
1135#if !ENABLE_MINIMAL 1168#if !ENABLE_MINIMAL
1136void 1169void ecb_cold
1137rxvt_term::scr_forwardindex () NOTHROW 1170rxvt_term::scr_forwardindex () noexcept
1138{ 1171{
1139 if (screen.cur.col < ncol - 1) 1172 if (screen.cur.col < ncol - 1)
1140 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1173 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1141 else 1174 else
1142 { 1175 {
1155/* ------------------------------------------------------------------------- */ 1188/* ------------------------------------------------------------------------- */
1156/* 1189/*
1157 * Goto Row/Column 1190 * Goto Row/Column
1158 */ 1191 */
1159void 1192void
1160rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1193rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1161{ 1194{
1162 want_refresh = 1; 1195 want_refresh = 1;
1163 ZERO_SCROLLBACK (); 1196 ZERO_SCROLLBACK ();
1164 1197
1165 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1198 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1204/* ------------------------------------------------------------------------- */ 1237/* ------------------------------------------------------------------------- */
1205/* 1238/*
1206 * direction should be UP or DN 1239 * direction should be UP or DN
1207 */ 1240 */
1208void 1241void
1209rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1242rxvt_term::scr_index (enum page_dirn direction) noexcept
1210{ 1243{
1211 int dirn;
1212
1213 want_refresh = 1; 1244 want_refresh = 1;
1214 ZERO_SCROLLBACK (); 1245 ZERO_SCROLLBACK ();
1215 1246
1216 dirn = ((direction == UP) ? 1 : -1);
1217
1218 screen.flags &= ~Screen_WrapNext; 1247 screen.flags &= ~Screen_WrapNext;
1219 1248
1220 if ((screen.cur.row == screen.bscroll && direction == UP) 1249 if ((screen.cur.row == screen.bscroll && direction == UP)
1221 || (screen.cur.row == screen.tscroll && direction == DN)) 1250 || (screen.cur.row == screen.tscroll && direction == DN))
1222 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1251 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1223 else 1252 else
1224 screen.cur.row += dirn; 1253 screen.cur.row += direction;
1225 1254
1226 clamp_it (screen.cur.row, 0, nrow - 1); 1255 clamp_it (screen.cur.row, 0, nrow - 1);
1227 selection_check (0); 1256 selection_check (0);
1228} 1257}
1229 1258
1234 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1263 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1235 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1264 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1236 * extension: clear to right unless wrapped: ESC [ 3 K 1265 * extension: clear to right unless wrapped: ESC [ 3 K
1237 */ 1266 */
1238void 1267void
1239rxvt_term::scr_erase_line (int mode) NOTHROW 1268rxvt_term::scr_erase_line (int mode) noexcept
1240{ 1269{
1241 unsigned int col, num; 1270 unsigned int col, num;
1242 1271
1243 want_refresh = 1; 1272 want_refresh = 1;
1244 ZERO_SCROLLBACK (); 1273 ZERO_SCROLLBACK ();
1292 scr_blank_line (line, col, num, rstyle); 1321 scr_blank_line (line, col, num, rstyle);
1293} 1322}
1294 1323
1295/* ------------------------------------------------------------------------- */ 1324/* ------------------------------------------------------------------------- */
1296/* 1325/*
1297 * Erase part of whole of the screen 1326 * Erase part or whole of the screen
1298 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1327 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1299 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1328 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1300 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1329 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1301 */ 1330 */
1302void 1331void
1303rxvt_term::scr_erase_screen (int mode) NOTHROW 1332rxvt_term::scr_erase_screen (int mode) noexcept
1304{ 1333{
1305 int num; 1334 int num;
1306 int32_t row; 1335 int32_t row;
1307 rend_t ren; 1336 rend_t ren;
1308 XGCValues gcvalue; 1337 XGCValues gcvalue;
1311 ZERO_SCROLLBACK (); 1340 ZERO_SCROLLBACK ();
1312 1341
1313 switch (mode) 1342 switch (mode)
1314 { 1343 {
1315 case 0: /* erase to end of screen */ 1344 case 0: /* erase to end of screen */
1316 selection_check (1);
1317 scr_erase_line (0); 1345 scr_erase_line (0);
1318 row = screen.cur.row + 1; /* possible OOB */ 1346 row = screen.cur.row + 1; /* possible OOB */
1319 num = nrow - row; 1347 num = nrow - row;
1320 break; 1348 break;
1321 case 1: /* erase to beginning of screen */ 1349 case 1: /* erase to beginning of screen */
1322 selection_check (3);
1323 scr_erase_line (1); 1350 scr_erase_line (1);
1324 row = 0; 1351 row = 0;
1325 num = screen.cur.row; 1352 num = screen.cur.row;
1326 break; 1353 break;
1327 case 2: /* erase whole screen */ 1354 case 2: /* erase whole screen */
1328 selection_check (3);
1329 row = 0; 1355 row = 0;
1330 num = nrow; 1356 num = nrow;
1331 break; 1357 break;
1332 default: 1358 default:
1333 return; 1359 return;
1342 if (row >= nrow) /* Out Of Bounds */ 1368 if (row >= nrow) /* Out Of Bounds */
1343 return; 1369 return;
1344 1370
1345 min_it (num, nrow - row); 1371 min_it (num, nrow - row);
1346 1372
1347 /*TODO: the xlceararea/xfillrectangle below don't take scroll offste into account, ask mikachu for details */
1348 if (rstyle & (RS_RVid | RS_Uline)) 1373 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1349 ren = (rend_t) ~RS_None; 1374 ren = (rend_t) ~RS_None;
1350 else if (GET_BASEBG (rstyle) == Color_bg) 1375 else if (GET_BASEBG (rstyle) == Color_bg)
1351 { 1376 {
1352 ren = DEFAULT_RSTYLE; 1377 ren = DEFAULT_RSTYLE;
1353 1378
1354 if (mapped && !view_start) 1379 if (mapped)
1355 XClearArea (dpy, vt, 0, 1380 XClearArea (dpy, vt, 0,
1356 Row2Pixel (row - view_start), (unsigned int)width, 1381 Row2Pixel (row - view_start), (unsigned int)vt_width,
1357 (unsigned int)Height2Pixel (num), False); 1382 (unsigned int)Height2Pixel (num), False);
1358 } 1383 }
1359 else 1384 else
1360 { 1385 {
1361 ren = rstyle & (RS_fgMask | RS_bgMask); 1386 ren = rstyle & (RS_fgMask | RS_bgMask);
1362 1387
1363 if (mapped && !view_start) 1388 if (mapped)
1364 { 1389 {
1365 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1390 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1366 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1391 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1367 XFillRectangle (dpy, vt, gc, 1392 XFillRectangle (dpy, vt, gc,
1368 0, Row2Pixel (row - view_start), 1393 0, Row2Pixel (row - view_start),
1369 (unsigned int)width, 1394 (unsigned int)vt_width,
1370 (unsigned int)Height2Pixel (num)); 1395 (unsigned int)Height2Pixel (num));
1371 gcvalue.foreground = pix_colors[Color_fg]; 1396 gcvalue.foreground = pix_colors[Color_fg];
1372 XChangeGC (dpy, gc, GCForeground, &gcvalue); 1397 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1373 } 1398 }
1374 } 1399 }
1375 1400
1376 for (; num--; row++) 1401 for (; num--; row++)
1377 { 1402 {
1378 scr_blank_screen_mem (ROW(row), rstyle); 1403 scr_blank_screen_mem (ROW(row), rstyle);
1404
1379 if (!view_start) 1405 if (row - view_start < nrow)
1380 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1406 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1381 } 1407 }
1382} 1408}
1383 1409
1384#if !ENABLE_MINIMAL 1410#if !ENABLE_MINIMAL
1385void 1411void
1386rxvt_term::scr_erase_savelines () NOTHROW 1412rxvt_term::scr_erase_savelines () noexcept
1387{ 1413{
1388 want_refresh = 1; 1414 want_refresh = 1;
1389 ZERO_SCROLLBACK (); 1415 ZERO_SCROLLBACK ();
1390 1416
1391 top_row = 0; 1417 top_row = 0;
1395/* ------------------------------------------------------------------------- */ 1421/* ------------------------------------------------------------------------- */
1396/* 1422/*
1397 * Fill the screen with `E's 1423 * Fill the screen with `E's
1398 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1424 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1399 */ 1425 */
1400void 1426void ecb_cold
1401rxvt_term::scr_E () NOTHROW 1427rxvt_term::scr_E () noexcept
1402{ 1428{
1403 rend_t fs; 1429 rend_t fs;
1404 1430
1405 want_refresh = 1; 1431 want_refresh = 1;
1406 ZERO_SCROLLBACK (); 1432 ZERO_SCROLLBACK ();
1407 1433
1408 num_scr_allow = 0; 1434 num_scr_allow = 0;
1409 selection_check (3); 1435
1436 row_col_t pos;
1437 pos.row = pos.col = 0;
1438 if (ROWCOL_IS_AFTER (selection.end, pos))
1439 CLEAR_SELECTION ();
1410 1440
1411 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1441 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1412 for (int row = nrow; row--; ) 1442 for (int row = nrow; row--; )
1413 { 1443 {
1414 line_t &line = ROW(row); 1444 line_t &line = ROW(row);
1427/* ------------------------------------------------------------------------- */ 1457/* ------------------------------------------------------------------------- */
1428/* 1458/*
1429 * Insert/Delete <count> lines 1459 * Insert/Delete <count> lines
1430 */ 1460 */
1431void 1461void
1432rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1462rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1433{ 1463{
1434 int end; 1464 int end;
1435 1465
1436 ZERO_SCROLLBACK (); 1466 ZERO_SCROLLBACK ();
1437 1467
1457/* ------------------------------------------------------------------------- */ 1487/* ------------------------------------------------------------------------- */
1458/* 1488/*
1459 * Insert/Delete <count> characters from the current position 1489 * Insert/Delete <count> characters from the current position
1460 */ 1490 */
1461void 1491void
1462rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1492rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1463{ 1493{
1464 want_refresh = 1; 1494 want_refresh = 1;
1465 ZERO_SCROLLBACK (); 1495 ZERO_SCROLLBACK ();
1466 1496
1467 if (count <= 0) 1497 if (count <= 0)
1538 { 1568 {
1539 line->t[col] = line->t[col + count]; 1569 line->t[col] = line->t[col + count];
1540 line->r[col] = line->r[col + count]; 1570 line->r[col] = line->r[col + count];
1541 } 1571 }
1542 1572
1543 scr_blank_line (*line, ncol - count, count, 1573 scr_blank_line (*line, ncol - count, count, rstyle);
1544 line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask));
1545 1574
1546 if (selection.op && current_screen == selection.screen 1575 if (selection.op && current_screen == selection.screen
1547 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1576 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1548 { 1577 {
1549 if (selection.end.row != screen.cur.row 1578 if (selection.end.row != screen.cur.row
1566/* ------------------------------------------------------------------------- */ 1595/* ------------------------------------------------------------------------- */
1567/* 1596/*
1568 * Set the scrolling region 1597 * Set the scrolling region
1569 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1598 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1570 */ 1599 */
1571void 1600void ecb_cold
1572rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1601rxvt_term::scr_scroll_region (int top, int bot) noexcept
1573{ 1602{
1574 max_it (top, 0); 1603 max_it (top, 0);
1575 min_it (bot, nrow - 1); 1604 min_it (bot, nrow - 1);
1576 1605
1577 if (top > bot) 1606 if (top > bot)
1586/* 1615/*
1587 * Make the cursor visible/invisible 1616 * Make the cursor visible/invisible
1588 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1617 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1589 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1618 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1590 */ 1619 */
1591void 1620void ecb_cold
1592rxvt_term::scr_cursor_visible (int mode) NOTHROW 1621rxvt_term::scr_cursor_visible (int mode) noexcept
1593{ 1622{
1594 want_refresh = 1; 1623 want_refresh = 1;
1595 1624
1596 if (mode) 1625 if (mode)
1597 screen.flags |= Screen_VisibleCursor; 1626 screen.flags |= Screen_VisibleCursor;
1603/* 1632/*
1604 * Set/unset automatic wrapping 1633 * Set/unset automatic wrapping
1605 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1634 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1606 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1635 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1607 */ 1636 */
1608void 1637void ecb_cold
1609rxvt_term::scr_autowrap (int mode) NOTHROW 1638rxvt_term::scr_autowrap (int mode) noexcept
1610{ 1639{
1611 if (mode) 1640 if (mode)
1612 screen.flags |= Screen_Autowrap; 1641 screen.flags |= Screen_Autowrap;
1613 else 1642 else
1614 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1643 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1622 * Relative mode: line numbers are relative to top margin of scrolling region 1651 * Relative mode: line numbers are relative to top margin of scrolling region
1623 * and the cursor cannot be moved outside. 1652 * and the cursor cannot be moved outside.
1624 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1653 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1625 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1654 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1626 */ 1655 */
1627void 1656void ecb_cold
1628rxvt_term::scr_relative_origin (int mode) NOTHROW 1657rxvt_term::scr_relative_origin (int mode) noexcept
1629{ 1658{
1630 if (mode) 1659 if (mode)
1631 screen.flags |= Screen_Relative; 1660 screen.flags |= Screen_Relative;
1632 else 1661 else
1633 screen.flags &= ~Screen_Relative; 1662 screen.flags &= ~Screen_Relative;
1639/* 1668/*
1640 * Set insert/replace mode 1669 * Set insert/replace mode
1641 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1670 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1642 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1671 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1643 */ 1672 */
1644void 1673void ecb_cold
1645rxvt_term::scr_insert_mode (int mode) NOTHROW 1674rxvt_term::scr_insert_mode (int mode) noexcept
1646{ 1675{
1647 if (mode) 1676 if (mode)
1648 screen.flags |= Screen_Insert; 1677 screen.flags |= Screen_Insert;
1649 else 1678 else
1650 screen.flags &= ~Screen_Insert; 1679 screen.flags &= ~Screen_Insert;
1655 * Set/Unset tabs 1684 * Set/Unset tabs
1656 * XTERM_SEQ: Set tab at current column : ESC H 1685 * XTERM_SEQ: Set tab at current column : ESC H
1657 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1686 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1658 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1687 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1659 */ 1688 */
1660void 1689void ecb_cold
1661rxvt_term::scr_set_tab (int mode) NOTHROW 1690rxvt_term::scr_set_tab (int mode) noexcept
1662{ 1691{
1663 if (mode < 0) 1692 if (mode < 0)
1664 memset (tabs, 0, ncol); 1693 memset (tabs, 0, ncol);
1665 else if (screen.cur.col < ncol) 1694 else if (screen.cur.col < ncol)
1666 tabs [screen.cur.col] = !!mode; 1695 tabs [screen.cur.col] = !!mode;
1671 * Set reverse/normal video 1700 * Set reverse/normal video
1672 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1701 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1673 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1702 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1674 */ 1703 */
1675void 1704void
1676rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1705rxvt_term::scr_rvideo_mode (bool on) noexcept
1677{ 1706{
1678 rvideo_mode = on; 1707 rvideo_mode = on;
1679 1708
1680#ifndef NO_BELL 1709#ifndef NO_BELL
1681 on ^= rvideo_bell; 1710 on ^= rvideo_bell;
1683 1712
1684 if (rvideo_state != on) 1713 if (rvideo_state != on)
1685 { 1714 {
1686 rvideo_state = on; 1715 rvideo_state = on;
1687 1716
1717#if OFF_FOCUS_FADING
1718 if (rs[Rs_fade])
1719 {
1720 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1721 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1722 }
1723 else
1724#endif
1688 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1725 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1689#ifdef HAVE_BG_PIXMAP 1726#ifdef HAVE_IMG
1690 if (bgPixmap.pixmap == None) 1727 if (bg_img == 0)
1691#endif 1728#endif
1692 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1729 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1693 1730
1694 XGCValues gcvalue; 1731 XGCValues gcvalue;
1695 gcvalue.foreground = pix_colors[Color_fg]; 1732 gcvalue.foreground = pix_colors[Color_fg];
1704/* ------------------------------------------------------------------------- */ 1741/* ------------------------------------------------------------------------- */
1705/* 1742/*
1706 * Report current cursor position 1743 * Report current cursor position
1707 * XTERM_SEQ: Report position: ESC [ 6 n 1744 * XTERM_SEQ: Report position: ESC [ 6 n
1708 */ 1745 */
1709void 1746void ecb_cold
1710rxvt_term::scr_report_position () NOTHROW 1747rxvt_term::scr_report_position () noexcept
1711{ 1748{
1712 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1749 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1713} 1750}
1714 1751
1715/* ------------------------------------------------------------------------- * 1752/* ------------------------------------------------------------------------- *
1717 * ------------------------------------------------------------------------- */ 1754 * ------------------------------------------------------------------------- */
1718 1755
1719/* 1756/*
1720 * Set font style 1757 * Set font style
1721 */ 1758 */
1722void 1759void ecb_cold
1723rxvt_term::set_font_style () NOTHROW 1760rxvt_term::set_font_style () noexcept
1724{ 1761{
1725#if 0 1762#if 0
1726 switch (charsets [screen.charset]) 1763 switch (charsets [screen.charset])
1727 { 1764 {
1728 case '0': /* DEC Special Character & Line Drawing Set */ 1765 case '0': /* DEC Special Character & Line Drawing Set */
1749 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1786 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1750 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1787 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1751 * XTERM_SEQ: Invoke G2 character set: ESC N 1788 * XTERM_SEQ: Invoke G2 character set: ESC N
1752 * XTERM_SEQ: Invoke G3 character set: ESC O 1789 * XTERM_SEQ: Invoke G3 character set: ESC O
1753 */ 1790 */
1754void 1791void ecb_cold
1755rxvt_term::scr_charset_choose (int set) NOTHROW 1792rxvt_term::scr_charset_choose (int set) noexcept
1756{ 1793{
1757 screen.charset = set; 1794 screen.charset = set;
1758 set_font_style (); 1795 set_font_style ();
1759} 1796}
1760 1797
1766 * XTERM_SEQ: Set G2 character set: ESC * <C> 1803 * XTERM_SEQ: Set G2 character set: ESC * <C>
1767 * XTERM_SEQ: Set G3 character set: ESC + <C> 1804 * XTERM_SEQ: Set G3 character set: ESC + <C>
1768 * See set_font_style for possible values for <C> 1805 * See set_font_style for possible values for <C>
1769 */ 1806 */
1770void 1807void
1771rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1808rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1772{ 1809{
1773 charsets[set] = (unsigned char)ch; 1810 charsets[set] = (unsigned char)ch;
1774 set_font_style (); 1811 set_font_style ();
1775} 1812}
1776 1813
1780 * ------------------------------------------------------------------------- */ 1817 * ------------------------------------------------------------------------- */
1781 1818
1782/* 1819/*
1783 * refresh matching text. 1820 * refresh matching text.
1784 */ 1821 */
1785bool 1822bool ecb_cold
1786rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1823rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1787{ 1824{
1788 bool found = false; 1825 bool found = false;
1789 1826
1790 for (int i = 0; i < nrow; i++) 1827 for (int i = 0; i < nrow; i++)
1791 { 1828 {
1809 PART_BEG = 0, 1846 PART_BEG = 0,
1810 PART_END, 1847 PART_END,
1811 RC_COUNT 1848 RC_COUNT
1812}; 1849};
1813 1850
1814void 1851void ecb_hot
1815rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1852rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1816{ 1853{
1817 int i; 1854 int i;
1818 row_col_t rc[RC_COUNT]; 1855 row_col_t rc[RC_COUNT];
1819 1856
1820 if (!drawn_buf) /* sanity check */ 1857 if (!drawn_buf) /* sanity check */
1839 for (i = PART_BEG; i < RC_COUNT; i++) 1876 for (i = PART_BEG; i < RC_COUNT; i++)
1840 { 1877 {
1841 min_it (rc[i].col, ncol - 1); 1878 min_it (rc[i].col, ncol - 1);
1842 min_it (rc[i].row, nrow - 1); 1879 min_it (rc[i].row, nrow - 1);
1843 } 1880 }
1844// TODO: this line somehow causes segfault if scr_expose() is called just after resize 1881
1845 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1882 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1846 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1883 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1847 1884
1848 num_scr_allow = 0; 1885 num_scr_allow = 0;
1849 1886
1854/* ------------------------------------------------------------------------- */ 1891/* ------------------------------------------------------------------------- */
1855/* 1892/*
1856 * Refresh the entire screen 1893 * Refresh the entire screen
1857 */ 1894 */
1858void 1895void
1859rxvt_term::scr_touch (bool refresh) NOTHROW 1896rxvt_term::scr_touch (bool refresh) noexcept
1860{ 1897{
1861 scr_expose (0, 0, width, height, refresh); 1898 scr_expose (0, 0, vt_width, vt_height, refresh);
1862} 1899}
1863 1900
1864/* ------------------------------------------------------------------------- */ 1901/* ------------------------------------------------------------------------- */
1865/* 1902/*
1866 * Move the display so that the line represented by scrollbar value Y is at 1903 * Move the display so that the line represented by scrollbar value Y is at
1867 * the top of the screen 1904 * the top of the screen
1868 */ 1905 */
1869void 1906void
1870rxvt_term::scr_move_to (int y, int len) NOTHROW 1907rxvt_term::scr_move_to (int y, int len) noexcept
1871{ 1908{
1872 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1)); 1909 // lerp (y, 0, len, top_row, nrow - 1)
1910 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1873} 1911}
1874 1912
1875/* ------------------------------------------------------------------------- */ 1913/* ------------------------------------------------------------------------- */
1876/* 1914/*
1877 * Page the screen up/down nlines 1915 * Page the screen up/down nlines
1878 * direction should be UP or DN 1916 * direction should be UP or DN
1879 */ 1917 */
1880bool 1918bool
1881rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1919rxvt_term::scr_page (int nlines) noexcept
1882{ 1920{
1883 int new_view_start =
1884 direction == UP ? view_start - nlines
1885 : view_start + nlines;
1886
1887 return scr_changeview (new_view_start); 1921 return scr_changeview (view_start - nlines);
1888} 1922}
1889 1923
1890bool 1924bool
1891rxvt_term::scr_changeview (int new_view_start) NOTHROW 1925rxvt_term::scr_changeview (int new_view_start) noexcept
1892{ 1926{
1893 clamp_it (new_view_start, top_row, 0); 1927 clamp_it (new_view_start, top_row, 0);
1894 1928
1895 if (new_view_start == view_start) 1929 if (new_view_start == view_start)
1896 return false; 1930 return false;
1914} 1948}
1915#endif 1949#endif
1916 1950
1917/* ------------------------------------------------------------------------- */ 1951/* ------------------------------------------------------------------------- */
1918void 1952void
1919rxvt_term::scr_bell () NOTHROW 1953rxvt_term::scr_bell () noexcept
1920{ 1954{
1921#ifndef NO_BELL 1955#ifndef NO_BELL
1922 1956
1923# ifndef NO_MAPALERT 1957# ifndef NO_MAPALERT
1924# ifdef MAPALERT_OPTION 1958# ifdef MAPALERT_OPTION
1925 if (option (Opt_mapAlert)) 1959 if (option (Opt_mapAlert))
1926# endif 1960# endif
1927 XMapWindow (dpy, parent[0]); 1961 XMapWindow (dpy, parent);
1928# endif 1962# endif
1929 1963
1930# if ENABLE_FRILLS 1964# if ENABLE_FRILLS
1931 if (option (Opt_urgentOnBell)) 1965 if (option (Opt_urgentOnBell))
1932 set_urgency (1); 1966 set_urgency (1);
1940 1974
1941 bell_ev.start (VISUAL_BELL_DURATION); 1975 bell_ev.start (VISUAL_BELL_DURATION);
1942 } 1976 }
1943 else 1977 else
1944 XBell (dpy, 0); 1978 XBell (dpy, 0);
1979 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1945#endif 1980#endif
1946} 1981}
1947 1982
1948/* ------------------------------------------------------------------------- */ 1983/* ------------------------------------------------------------------------- */
1949/* ARGSUSED */ 1984void ecb_cold
1950void
1951rxvt_term::scr_printscreen (int fullhist) NOTHROW 1985rxvt_term::scr_printscreen (int fullhist) noexcept
1952{ 1986{
1953#ifdef PRINTPIPE 1987#ifdef PRINTPIPE
1954 int nrows, row_start; 1988 int nrows, row_start;
1955 FILE *fd = popen_printer (); 1989 FILE *fd = popen_printer ();
1956 1990
1968 row_start = view_start; 2002 row_start = view_start;
1969 } 2003 }
1970 2004
1971 wctomb (0, 0); 2005 wctomb (0, 0);
1972 2006
1973 for (int r1 = 0; r1 < nrows; r1++) 2007 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1974 { 2008 {
1975 text_t *tp = ROW(r1).t; 2009 text_t *tp = ROW(r1).t;
1976 int len = ROW(r1).l; 2010 int len = ROW(r1).l;
1977 2011
1978 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 2012 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2004/* 2038/*
2005 * Refresh the screen 2039 * Refresh the screen
2006 * drawn_text/drawn_rend contain the screen information before the update. 2040 * drawn_text/drawn_rend contain the screen information before the update.
2007 * screen.text/screen.rend contain what the screen will change to. 2041 * screen.text/screen.rend contain what the screen will change to.
2008 */ 2042 */
2009void 2043void ecb_hot
2010rxvt_term::scr_refresh () NOTHROW 2044rxvt_term::scr_refresh () noexcept
2011{ 2045{
2012 unsigned char have_bg,
2013 showcursor; /* show the cursor */
2014 int16_t col, row, /* column/row we're processing */ 2046 int16_t col, row, /* column/row we're processing */
2015 ocrow; /* old cursor row */ 2047 ocrow; /* old cursor row */
2016 int i; /* tmp */ 2048 int i; /* tmp */
2017#ifndef NO_CURSORCOLOR
2018 rend_t cc1; /* store colours at cursor position (s) */
2019#endif
2020 rend_t *crp; // cursor rendition pointer
2021 rend_t ccol1, /* Cursor colour */ 2049 rend_t ccol1, /* Cursor colour */
2022 ccol2; /* Cursor colour2 */ 2050 ccol2; /* Cursor colour2 */
2051 rend_t cur_rend;
2052 int cur_col;
2053 int cursorwidth;
2023 2054
2024 want_refresh = 0; /* screen is current */ 2055 want_refresh = 0; /* screen is current */
2025 2056
2026 if (refresh_type == NO_REFRESH || !mapped) 2057 if (refresh_type == NO_REFRESH || !mapped)
2027 return; 2058 return;
2029 /* 2060 /*
2030 * A: set up vars 2061 * A: set up vars
2031 */ 2062 */
2032 refresh_count = 0; 2063 refresh_count = 0;
2033 2064
2065 unsigned int old_screen_flags = screen.flags;
2034 have_bg = 0; 2066 bool have_bg = 0;
2035#ifdef HAVE_BG_PIXMAP 2067#ifdef HAVE_IMG
2036 have_bg = bgPixmap.pixmap != None; 2068 have_bg = bg_img != 0;
2037#endif 2069#endif
2038 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2070 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2039 2071
2040 /* 2072 /*
2041 * B: reverse any characters which are selected 2073 * B: reverse any characters which are selected
2042 */ 2074 */
2043 scr_reverse_selection (); 2075 scr_reverse_selection ();
2044 2076
2077 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2078#if ENABLE_OVERLAY
2079 scr_swap_overlay ();
2080#endif
2081
2082 bool showcursor = screen.flags & Screen_VisibleCursor;
2083
2045 /* 2084 /*
2046 * C: set the cursor character (s) 2085 * C: set the cursor character (s)
2047 */ 2086 */
2048 { 2087 {
2049 unsigned char setoldcursor;
2050
2051 showcursor = (screen.flags & Screen_VisibleCursor);
2052#ifdef CURSOR_BLINK 2088#ifdef CURSOR_BLINK
2053 if (hidden_cursor) 2089 if (hidden_cursor)
2054 showcursor = 0; 2090 showcursor = 0;
2055#endif 2091#endif
2056 2092
2059 int col = screen.cur.col; 2095 int col = screen.cur.col;
2060 2096
2061 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2097 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2062 col--; 2098 col--;
2063 2099
2100 cursorwidth = 1;
2101 while (col + cursorwidth < ncol
2102 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2103 cursorwidth++;
2104
2064 crp = &ROW(screen.cur.row).r[col]; 2105 cur_rend = ROW(screen.cur.row).r[col];
2106 cur_col = col;
2065 2107
2066#ifndef NO_CURSORCOLOR 2108#ifndef NO_CURSORCOLOR
2067 cc1 = *crp & (RS_fgMask | RS_bgMask);
2068 if (ISSET_PIXCOLOR (Color_cursor)) 2109 if (ISSET_PIXCOLOR (Color_cursor))
2069 ccol1 = Color_cursor; 2110 ccol1 = Color_cursor;
2070 else 2111 else
2071#endif 2112#endif
2072#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2113#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2084 ccol2 = bgcolor_of (rstyle); 2125 ccol2 = bgcolor_of (rstyle);
2085#else 2126#else
2086 ccol2 = Color_bg; 2127 ccol2 = Color_bg;
2087#endif 2128#endif
2088 2129
2089 if (showcursor && focus) 2130 if (focus && cursor_type == 0)
2090 { 2131 {
2091 if (option (Opt_cursorUnderline)) 2132 rend_t rend = cur_rend;
2092 *crp ^= RS_Uline; 2133
2093 else
2094 {
2095 *crp ^= RS_RVid; 2134 rend ^= RS_RVid;
2096 *crp = SET_FGCOLOR (*crp, ccol1); 2135 rend = SET_FGCOLOR (rend, ccol1);
2097 *crp = SET_BGCOLOR (*crp, ccol2); 2136 rend = SET_BGCOLOR (rend, ccol2);
2098 } 2137
2138 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2099 } 2139 }
2100 } 2140 }
2101 2141
2102 /* make sure no outline cursor is left around */ 2142 /* make sure no outline cursor is left around */
2103 setoldcursor = 0; 2143 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2104 if (ocrow != -1) 2144 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2145
2146 // save the current cursor coordinates if the cursor is visible
2147 // and either the window is unfocused or the cursor style is
2148 // underline or vertical bar, so as to clear the outline cursor in
2149 // the next refresh if the cursor moves or becomes invisible
2150 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2105 { 2151 {
2106 if (screen.cur.row - view_start != ocrow 2152 oldcursor.row = screen.cur.row - view_start;
2107 || screen.cur.col != oldcursor.col) 2153 oldcursor.col = screen.cur.col;
2108 {
2109 if (ocrow < nrow
2110 && oldcursor.col < ncol)
2111 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2112
2113 if (focus || !showcursor)
2114 oldcursor.row = -1;
2115 else
2116 setoldcursor = 1;
2117 }
2118 } 2154 }
2119 else if (!focus) 2155 else
2120 setoldcursor = 1;
2121
2122 if (setoldcursor)
2123 {
2124 if (screen.cur.row - view_start >= nrow)
2125 oldcursor.row = -1; 2156 oldcursor.row = -1;
2126 else
2127 {
2128 oldcursor.row = screen.cur.row - view_start;
2129 oldcursor.col = screen.cur.col;
2130 }
2131 }
2132 } 2157 }
2133
2134 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2135#if ENABLE_OVERLAY
2136 scr_swap_overlay ();
2137#endif
2138 2158
2139#ifndef NO_SLOW_LINK_SUPPORT 2159#ifndef NO_SLOW_LINK_SUPPORT
2140 /* 2160 /*
2141 * D: CopyArea pass - very useful for slower links 2161 * D: CopyArea pass - very useful for slower links
2142 * This has been deliberately kept simple. 2162 * This has been deliberately kept simple.
2147 { 2167 {
2148 int16_t nits; 2168 int16_t nits;
2149 int i = num_scr; 2169 int i = num_scr;
2150 int j; 2170 int j;
2151 int len, wlen; 2171 int len, wlen;
2152 dLocal (int, num_scr);
2153 2172
2154 j = nrow; 2173 j = nrow;
2155 wlen = len = -1; 2174 wlen = len = -1;
2156 row = i > 0 ? 0 : j - 1; 2175 row = i > 0 ? 0 : j - 1;
2157 2176
2223 int ypixel = (int)Row2Pixel (row); 2242 int ypixel = (int)Row2Pixel (row);
2224 2243
2225 for (col = 0; col < ncol; col++) 2244 for (col = 0; col < ncol; col++)
2226 { 2245 {
2227 /* compare new text with old - if exactly the same then continue */ 2246 /* compare new text with old - if exactly the same then continue */
2228 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2247 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2229 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2230 || (stp[col] == ' ' /* space w/ no background change */
2231 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2232 continue; 2248 continue;
2233 2249
2234 // redraw one or more characters 2250 // redraw one or more characters
2235 2251
2236 // seek to the beginning of wide characters 2252 // seek to the beginning of wide characters
2237 while (expect_false (stp[col] == NOCHAR && col > 0)) 2253 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2238 --col; 2254 --col;
2239 2255
2240 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2256 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2241 text_t *text = stp + col; 2257 text_t *text = stp + col;
2242 int count = 1; 2258 int count = 1;
2243 2259
2244 dtp[col] = stp[col]; 2260 dtp[col] = stp[col];
2245 drp[col] = rend; 2261 drp[col] = rend;
2249 for (i = 0; ++col < ncol; ) 2265 for (i = 0; ++col < ncol; )
2250 { 2266 {
2251 if (stp[col] == NOCHAR) 2267 if (stp[col] == NOCHAR)
2252 { 2268 {
2253 dtp[col] = stp[col]; 2269 dtp[col] = stp[col];
2254 drp[col] = rend; 2270 drp[col] = srp[col];
2271
2255 count++; 2272 count++;
2256 i++; 2273 i++;
2257 2274
2258 continue; 2275 continue;
2259 } 2276 }
2279 2296
2280 col--; /* went one too far. move back */ 2297 col--; /* went one too far. move back */
2281 count -= i; /* dump any matching trailing chars */ 2298 count -= i; /* dump any matching trailing chars */
2282 2299
2283 // sometimes we optimize away the trailing NOCHAR's, add them back 2300 // sometimes we optimize away the trailing NOCHAR's, add them back
2284 while (expect_false (i && text[count] == NOCHAR)) 2301 while (ecb_unlikely (i && text[count] == NOCHAR))
2285 count++, i--; 2302 count++, i--;
2286 2303
2287 /* 2304 /*
2288 * Determine the attributes for the string 2305 * Determine the attributes for the string
2289 */ 2306 */
2290 int fore = fgcolor_of (rend); // desired foreground 2307 int fore = fgcolor_of (rend); // desired foreground
2291 int back = bgcolor_of (rend); // desired background 2308 int back = bgcolor_of (rend); // desired background
2292 2309
2293 // only do special processing if any attributes are set, which is unlikely 2310 // only do special processing if any attributes are set, which is unlikely
2294 if (expect_false (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))) 2311 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295 { 2312 {
2296 bool invert = rend & RS_RVid; 2313 bool invert = rend & RS_RVid;
2297 2314
2298#ifndef NO_BOLD_UNDERLINE_REVERSE 2315#ifndef NO_BOLD_UNDERLINE_REVERSE
2299 if (rend & RS_Bold && fore == Color_fg) 2316 if (rend & RS_Bold && fore == Color_fg)
2318 2335
2319 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL)) 2336 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2320 fore = Color_UL; 2337 fore = Color_UL;
2321#endif 2338#endif
2322 2339
2340#ifdef OPTION_HC
2341 if (rend & RS_Sel)
2342 {
2343 /* invert the column if no highlightColor is set or it is the
2344 * current cursor column */
2345 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2346 && ISSET_PIXCOLOR (Color_HC))
2347 {
2348 if (ISSET_PIXCOLOR (Color_HTC))
2349 fore = Color_HTC;
2350 // if invert is 0 reverse video is set so we use bg color as fg color
2351 else if (!invert)
2352 fore = back;
2353
2354 back = Color_HC;
2355 invert = 0;
2356 }
2357 }
2358#endif
2359
2323 if (invert) 2360 if (invert)
2324 { 2361 {
2325#ifdef OPTION_HC
2326 if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2327 || !ISSET_PIXCOLOR (Color_HC))
2328#endif
2329 /* invert the column if no highlightColor is set or it is the
2330 * current cursor column */
2331 ::swap (fore, back); 2362 ::swap (fore, back);
2332#ifdef OPTION_HC
2333 else if (ISSET_PIXCOLOR (Color_HC))
2334 back = Color_HC;
2335#endif
2336 2363
2337#ifndef NO_BOLD_UNDERLINE_REVERSE 2364#ifndef NO_BOLD_UNDERLINE_REVERSE
2338# ifndef OPTION_HC
2339 if (ISSET_PIXCOLOR (Color_RV))
2340 back = Color_RV;
2341# endif
2342 if (fore == back) 2365 if (fore == back)
2343 { 2366 {
2344 fore = Color_bg; 2367 fore = Color_bg;
2345 back = Color_fg; 2368 back = Color_fg;
2346 } 2369 }
2382 /* 2405 /*
2383 * Actually do the drawing of the string here 2406 * Actually do the drawing of the string here
2384 */ 2407 */
2385 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2408 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2386 2409
2387 if (expect_true (have_bg && back == Color_bg)) 2410 if (ecb_likely (have_bg && back == Color_bg))
2388 { 2411 {
2389 // this is very ugly, maybe push it into ->draw? 2412 // this is very ugly, maybe push it into ->draw?
2390 2413
2391 for (i = 0; i < count; i++) /* don't draw empty strings */ 2414 for (i = 0; i < count; i++) /* don't draw empty strings */
2392 if (text[i] != ' ') 2415 if (text[i] != ' ')
2399 did_clear: ; 2422 did_clear: ;
2400 } 2423 }
2401 else 2424 else
2402 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2403 2426
2404 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2427 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2405 { 2428 {
2429 if (showcursor && focus && row == screen.cur.row
2430 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2431 XSetForeground (dpy, gc, pix_colors[ccol1]);
2432 else
2406#if ENABLE_FRILLS 2433#if ENABLE_FRILLS
2407 if (ISSET_PIXCOLOR (Color_underline)) 2434 if (ISSET_PIXCOLOR (Color_underline))
2408 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2409 else 2436 else
2410#endif 2437#endif
2415 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2442 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2416 } 2443 }
2417 } /* for (col....) */ 2444 } /* for (col....) */
2418 } /* for (row....) */ 2445 } /* for (row....) */
2419 2446
2420#if ENABLE_OVERLAY
2421 scr_swap_overlay ();
2422#endif
2423 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2424
2425 /* 2447 /*
2426 * G: cleanup cursor and display outline cursor if necessary 2448 * G: cleanup cursor and display outline cursor if necessary
2427 */ 2449 */
2428 if (showcursor) 2450 if (showcursor)
2429 { 2451 {
2430 if (focus) 2452 if (focus)
2431 { 2453 {
2432 if (option (Opt_cursorUnderline)) 2454 if (cursor_type == 0)
2433 *crp ^= RS_Uline; 2455 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2434 else 2456 else if (oldcursor.row >= 0)
2435 { 2457 {
2436 *crp ^= RS_RVid; 2458 XSetForeground (dpy, gc, pix_colors[ccol1]);
2437#ifndef NO_CURSORCOLOR 2459 if (cursor_type == 1)
2438 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2460 XFillRectangle (dpy, vt, gc,
2439#endif 2461 Col2Pixel (cur_col),
2462 Row2Pixel (oldcursor.row + 1) - 2,
2463 Width2Pixel (1),
2464 2);
2465 else
2466 XFillRectangle (dpy, vt, gc,
2467 Col2Pixel (cur_col),
2468 Row2Pixel (oldcursor.row),
2469 2,
2470 Height2Pixel (1));
2440 } 2471 }
2441 } 2472 }
2442 else if (oldcursor.row >= 0) 2473 else if (oldcursor.row >= 0)
2443 { 2474 {
2444 int cursorwidth = 1;
2445 int col = oldcursor.col;
2446
2447 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2448 col--;
2449
2450 while (col + cursorwidth < ncol
2451 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2452 cursorwidth++;
2453
2454#ifndef NO_CURSORCOLOR
2455 if (ISSET_PIXCOLOR (Color_cursor))
2456 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2457 else
2458#endif
2459 XSetForeground (dpy, gc, pix_colors[ccol1]); 2475 XSetForeground (dpy, gc, pix_colors[ccol1]);
2460 2476
2461 XDrawRectangle (dpy, vt, gc, 2477 XDrawRectangle (dpy, vt, gc,
2462 Col2Pixel (col), 2478 Col2Pixel (cur_col),
2463 Row2Pixel (oldcursor.row), 2479 Row2Pixel (oldcursor.row),
2464 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2480 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2465 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2481 (unsigned int) (Height2Pixel (1) - 1));
2466 } 2482 }
2467 } 2483 }
2468 2484
2469 /* 2485 /*
2470 * H: cleanup selection 2486 * H: cleanup selection
2471 */ 2487 */
2488#if ENABLE_OVERLAY
2489 scr_swap_overlay ();
2490#endif
2491 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2492
2472 scr_reverse_selection (); 2493 scr_reverse_selection ();
2473 2494
2495 screen.flags = old_screen_flags;
2474 num_scr = 0; 2496 num_scr = 0;
2475 num_scr_allow = 1; 2497 num_scr_allow = 1;
2476} 2498}
2477 2499
2478void 2500void ecb_cold
2479rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2501rxvt_term::scr_remap_chars (line_t &l) noexcept
2480{ 2502{
2481 if (!l.t) 2503 if (!l.valid ())
2482 return; 2504 return;
2483 2505
2484 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2506 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2485 2507
2486 for (int i = ncol; i--; ) 2508 for (int i = ncol; i--; )
2487 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2509 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2488} 2510}
2489 2511
2490void 2512void ecb_cold
2491rxvt_term::scr_remap_chars () NOTHROW 2513rxvt_term::scr_remap_chars () noexcept
2492{ 2514{
2493 for (int i = total_rows; i--; ) 2515 for (int i = total_rows; i--; )
2494 scr_remap_chars (row_buf [i]); 2516 scr_remap_chars (row_buf [i]);
2495 2517
2496 for (int i = nrow; i--; ) 2518 for (int i = nrow; i--; )
2498 scr_remap_chars (drawn_buf [i]); 2520 scr_remap_chars (drawn_buf [i]);
2499 scr_remap_chars (swap_buf [i]); 2521 scr_remap_chars (swap_buf [i]);
2500 } 2522 }
2501} 2523}
2502 2524
2503void 2525void ecb_cold
2504rxvt_term::scr_recolour () NOTHROW 2526rxvt_term::scr_recolor (bool refresh) noexcept
2505{ 2527{
2506#ifdef HAVE_BG_PIXMAP 2528 bool transparent = false;
2507 bgPixmap.apply ();
2508#else
2509 2529
2530#ifdef HAVE_IMG
2531 if (bg_img != 0)
2532 {
2533# if ENABLE_TRANSPARENCY
2534 if (bg_flags & BG_IS_TRANSPARENT)
2535 {
2536 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2537 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2538
2539 transparent = true;
2540 }
2541 else
2542# endif
2543 {
2544 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2545 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2546 }
2547 }
2548 else
2549#endif
2550 {
2510 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2551 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2511 XClearWindow (dpy, parent[0]);
2512 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2552 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2553 }
2513 2554
2514 if (scrollBar.win) 2555 XClearWindow (dpy, parent);
2556
2557 if (scrollBar.state && scrollBar.win)
2515 { 2558 {
2559 if (transparent)
2560 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2561 else
2516 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]); 2562 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2517 scrollBar.state = STATE_IDLE; 2563 scrollBar.state = SB_STATE_IDLE;
2518 scrollBar.show (0); 2564 scrollBar.show (0);
2519 } 2565 }
2520 2566
2521#endif 2567 if (refresh)
2522 2568 {
2523 /* bgPixmap.apply () does not do the following : */
2524 scr_clear (); 2569 scr_clear ();
2525 scr_touch (true); 2570 scr_touch (true);
2571 }
2526 want_refresh = 1; 2572 want_refresh = 1;
2527} 2573}
2528 2574
2529/* ------------------------------------------------------------------------- */ 2575/* ------------------------------------------------------------------------- */
2530void 2576void
2531rxvt_term::scr_clear (bool really) NOTHROW 2577rxvt_term::scr_clear (bool really) noexcept
2532{ 2578{
2533 if (!mapped) 2579 if (!mapped)
2534 return; 2580 return;
2535 2581
2536 num_scr_allow = 0; 2582 num_scr_allow = 0;
2539 if (really) 2585 if (really)
2540 XClearWindow (dpy, vt); 2586 XClearWindow (dpy, vt);
2541} 2587}
2542 2588
2543void 2589void
2544rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW 2590rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2545{ 2591{
2546 int view_end = view_start + nrow; 2592 int view_end = view_start + nrow;
2547 int row, col; 2593 int row, col;
2548 2594
2549 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) 2595 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2561 srp[col] ^= rstyle2; 2607 srp[col] ^= rstyle2;
2562 } 2608 }
2563} 2609}
2564 2610
2565void 2611void
2566rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW 2612rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2567{ 2613{
2568 int view_end = view_start + nrow; 2614 int view_end = view_start + nrow;
2569 int row, col; 2615 int row, col;
2570 2616
2571 if (beg_row >= view_start) 2617 if (beg_row >= view_start)
2587 for (rend_t *srp = ROW(row).r; col < end_col; col++) 2633 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2588 srp[col] ^= rstyle; 2634 srp[col] ^= rstyle;
2589} 2635}
2590 2636
2591/* ------------------------------------------------------------------------- */ 2637/* ------------------------------------------------------------------------- */
2592void 2638void ecb_hot
2593rxvt_term::scr_reverse_selection () NOTHROW 2639rxvt_term::scr_reverse_selection () noexcept
2594{ 2640{
2595 if (selection.op 2641 if (selection.op
2596 && current_screen == selection.screen 2642 && current_screen == selection.screen
2597 && selection.end.row >= view_start) 2643 && selection.end.row >= view_start)
2598 { 2644 {
2599#if !ENABLE_MINIMAL 2645#if !ENABLE_MINIMAL
2600 if (selection.rect) 2646 if (selection.rect)
2601 scr_xor_rect (selection.beg.row, selection.beg.col, 2647 scr_xor_rect (selection.beg.row, selection.beg.col,
2602 selection.end.row, selection.end.col, 2648 selection.end.row, selection.end.col,
2603 RS_RVid, RS_RVid | RS_Uline); 2649 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2604 else 2650 else
2605#endif 2651#endif
2606 scr_xor_span (selection.beg.row, selection.beg.col, 2652 scr_xor_span (selection.beg.row, selection.beg.col,
2607 selection.end.row, selection.end.col, 2653 selection.end.row, selection.end.col,
2608 RS_RVid); 2654 RS_Sel | RS_RVid);
2609 } 2655 }
2610} 2656}
2611 2657
2612/* ------------------------------------------------------------------------- */ 2658/* ------------------------------------------------------------------------- */
2613/* 2659/*
2614 * Dump the whole scrollback and screen to the passed filedescriptor. The 2660 * Dump the whole scrollback and screen to the passed filedescriptor. The
2615 * invoking routine must close the fd. 2661 * invoking routine must close the fd.
2616 */ 2662 */
2617#if 0 2663#if 0
2618void 2664void
2619rxvt_term::scr_dump (int fd) NOTHROW 2665rxvt_term::scr_dump (int fd) noexcept
2620{ 2666{
2621 int row, wrote; 2667 // if this method is needed, it can be implemented by factoring the
2622 unsigned int width, towrite; 2668 // relevant code in scr_printscreen
2623 char r1[] = "\n";
2624
2625 for (row = saveLines + top_row;
2626 row < saveLines + nrow - 1; row++)
2627 {
2628 width = row_buf[row].l >= 0 ? row_buf[row].l
2629 : ncol;
2630 for (towrite = width; towrite; towrite -= wrote)
2631 {
2632 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2633 towrite);
2634 if (wrote < 0)
2635 return; /* XXX: death, no report */
2636 }
2637 if (row_buf[row].l >= 0)
2638 if (write (fd, r1, 1) <= 0)
2639 return; /* XXX: death, no report */
2640 }
2641} 2669}
2642#endif 2670#endif
2643 2671
2644/* ------------------------------------------------------------------------- * 2672/* ------------------------------------------------------------------------- *
2645 * CHARACTER SELECTION * 2673 * CHARACTER SELECTION *
2646 * ------------------------------------------------------------------------- */ 2674 * ------------------------------------------------------------------------- */
2647void 2675void
2648rxvt_term::selection_check (int check_more) NOTHROW 2676rxvt_term::selection_check (int check_more) noexcept
2649{ 2677{
2650 row_col_t pos;
2651
2652 if (!selection.op) 2678 if (!selection.op)
2653 return; 2679 return;
2654 2680
2655 pos.row = pos.col = 0;
2656 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2681 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2657 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow) 2682 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2658 || !IN_RANGE_EXC (selection.end.row, top_row, nrow) 2683 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2659 || (check_more == 1 2684 || (check_more == 1
2660 && current_screen == selection.screen 2685 && current_screen == selection.screen
2661 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2686 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2662 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2687 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2663 || (check_more == 2
2664 && ROWCOL_IS_BEFORE (selection.beg, pos)
2665 && ROWCOL_IS_AFTER (selection.end, pos))
2666 || (check_more == 3
2667 && ROWCOL_IS_AFTER (selection.end, pos))
2668 || (check_more == 4 /* screen width change */
2669 && (selection.beg.row != selection.end.row
2670 || selection.end.col > ncol)))
2671 CLEAR_SELECTION (); 2688 CLEAR_ALL_SELECTION ();
2689}
2690
2691void
2692rxvt_term::selection_changed () noexcept
2693{
2694 line_t &r1 = ROW (selection.beg.row);
2695 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2696 ++selection.beg.col;
2697
2698 line_t &r2 = ROW (selection.end.row);
2699 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2700 ++selection.end.col;
2701
2702 want_refresh = 1;
2672} 2703}
2673 2704
2674/* ------------------------------------------------------------------------- */ 2705/* ------------------------------------------------------------------------- */
2675/* 2706/*
2676 * Paste a selection direct to the command fd 2707 * Paste a selection direct to the command fd
2677 */ 2708 */
2678void 2709void
2679rxvt_term::paste (char *data, unsigned int len) NOTHROW 2710rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2680{ 2711{
2681 /* convert normal newline chars into common keyboard Return key sequence */ 2712 /* convert normal newline chars into common keyboard Return key sequence */
2682 for (unsigned int i = 0; i < len; i++) 2713 for (unsigned int i = 0; i < len; i++)
2683 if (data[i] == C0_LF) 2714 if (data[i] == C0_LF)
2684 data[i] = C0_CR; 2715 data[i] = C0_CR;
2685 2716
2686 if (priv_modes & PrivMode_BracketPaste) 2717 #if ENABLE_FRILLS
2718 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2687 tt_printf ("\e[200~"); 2719 tt_printf ("\x1b[200~");
2720 #endif
2688 2721
2689 tt_write (data, len); 2722 tt_write (data, len);
2690 2723
2691 if (priv_modes & PrivMode_BracketPaste) 2724 #if ENABLE_FRILLS
2725 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2692 tt_printf ("\e[201~"); 2726 tt_printf ("\x1b[201~");
2693}
2694
2695/* ------------------------------------------------------------------------- */
2696/*
2697 * Respond to a notification that a primary selection has been sent
2698 * EXT: SelectionNotify
2699 */
2700void
2701rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2702{
2703 if (prop == None) /* check for failed XConvertSelection */
2704 {
2705 if ((selection_type & Sel_CompoundText))
2706 {
2707 int selnum = selection_type & Sel_whereMask;
2708
2709 selection_type = 0;
2710 if (selnum != Sel_direct)
2711 selection_request_other (XA_STRING, selnum);
2712 }
2713
2714 if ((selection_type & Sel_UTF8String))
2715 {
2716 int selnum = selection_type & Sel_whereMask;
2717
2718 selection_type = Sel_CompoundText;
2719 if (selnum != Sel_direct)
2720 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2721 else
2722 selection_type = 0;
2723 }
2724
2725 return;
2726 }
2727
2728 unsigned long bytes_after;
2729 XTextProperty ct;
2730
2731 if (XGetWindowProperty (dpy, win, prop,
2732 0, PROP_SIZE / 4,
2733 delete_prop, AnyPropertyType,
2734 &ct.encoding, &ct.format,
2735 &ct.nitems, &bytes_after,
2736 &ct.value) != Success)
2737 {
2738 ct.value = 0;
2739 goto bailout;
2740 }
2741
2742 if (ct.encoding == None)
2743 goto bailout;
2744
2745 if (bytes_after)
2746 {
2747 // fetch and append remaining data
2748 XTextProperty ct2;
2749
2750 if (XGetWindowProperty (dpy, win, prop,
2751 ct.nitems / 4, (bytes_after + 3) / 4,
2752 delete_prop, AnyPropertyType,
2753 &ct2.encoding, &ct2.format,
2754 &ct2.nitems, &bytes_after,
2755 &ct2.value) != Success)
2756 goto bailout;
2757
2758 // realloc should be compatible to XFree, here, and elsewhere, too
2759 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2760 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2761 ct.nitems += ct2.nitems;
2762
2763 XFree (ct2.value);
2764 }
2765
2766 if (ct.value == 0)
2767 goto bailout;
2768
2769 if (ct.encoding == xa[XA_INCR])
2770 {
2771 // INCR selection, start handshake
2772 if (!delete_prop)
2773 XDeleteProperty (dpy, win, prop);
2774
2775 selection_wait = Sel_incr;
2776 incr_buf_fill = 0;
2777 incr_ev.start (10);
2778
2779 goto bailout;
2780 }
2781
2782 if (ct.nitems == 0)
2783 {
2784 if (selection_wait == Sel_incr)
2785 {
2786 XFree (ct.value);
2787
2788 // finally complete, now paste the whole thing
2789 selection_wait = Sel_normal;
2790 ct.value = (unsigned char *)incr_buf;
2791 ct.nitems = incr_buf_fill;
2792 incr_buf = 0;
2793 incr_buf_size = 0;
2794 incr_ev.stop ();
2795 }
2796 else
2797 {
2798 if (selection_wait == Sel_normal
2799 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2800 {
2801 /*
2802 * pass through again trying CUT_BUFFER0 if we've come from
2803 * XConvertSelection () but nothing was presented
2804 */
2805 selection_paste (display->root, XA_CUT_BUFFER0, False);
2806 }
2807
2808 goto bailout;
2809 }
2810 }
2811 else if (selection_wait == Sel_incr)
2812 {
2813 incr_ev.start (10);
2814
2815 while (incr_buf_fill + ct.nitems > incr_buf_size)
2816 {
2817 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2818 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2819 }
2820
2821 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2822 incr_buf_fill += ct.nitems;
2823
2824 goto bailout;
2825 }
2826
2827 char **cl;
2828 int cr;
2829
2830#if !ENABLE_MINIMAL
2831 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2832 // so recode it manually
2833 if (ct.encoding == xa[XA_UTF8_STRING])
2834 {
2835 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2836 char *s = rxvt_wcstombs (w);
2837 free (w);
2838 // TODO: strlen == only the first element will be converted. well...
2839 paste (s, strlen (s));
2840 free (s);
2841 }
2842 else
2843#endif 2727 #endif
2844 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2845 && cl)
2846 {
2847 for (int i = 0; i < cr; i++)
2848 paste (cl[i], strlen (cl[i]));
2849
2850 XFreeStringList (cl);
2851 }
2852 else
2853 paste ((char *)ct.value, ct.nitems); // paste raw
2854
2855bailout:
2856 XFree (ct.value);
2857
2858 if (selection_wait == Sel_normal)
2859 selection_wait = Sel_none;
2860} 2728}
2861 2729
2862void 2730void
2863rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW 2731rxvt_term::paste (char *data, unsigned int len) noexcept
2864{ 2732{
2865 selection_wait = Sel_none; 2733 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2866
2867 incr_buf_size = 0;
2868 free (incr_buf);
2869
2870 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2871}
2872
2873void
2874rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2875{
2876 if (prop == None || selection_wait != Sel_incr)
2877 return; 2734 return;
2878 2735
2879 selection_paste (win, prop, true); 2736 tt_paste (data, len);
2880} 2737}
2881 2738
2882/* ------------------------------------------------------------------------- */ 2739/* ------------------------------------------------------------------------- */
2883/* 2740/*
2884 * Request the current selection: 2741 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2885 * Order: > internal selection if available 2742 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2886 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2743 * as fallback
2887 * > CUT_BUFFER0
2888 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2889 * will auto fallback to CUT_BUFFER0
2890 * EXT: button 2 release 2744 * EXT: button 2 release
2891 */ 2745 */
2892void 2746void
2893rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2747rxvt_term::selection_request (Time tm, int selnum) noexcept
2894{ 2748{
2895 if (selection.text && selnum == Sel_Primary) 2749 if (!selection_req)
2896 {
2897 /* internal selection */
2898 char *str = rxvt_wcstombs (selection.text, selection.len);
2899 paste (str, strlen (str));
2900 free (str);
2901 return;
2902 } 2750 {
2903 else 2751 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2752 selection_req->run ();
2904 { 2753 }
2905 selection_request_time = tm;
2906 selection_wait = Sel_normal;
2907
2908#if X_HAVE_UTF8_STRING
2909 selection_type = Sel_UTF8String;
2910 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2911 return;
2912#else
2913 selection_type = Sel_CompoundText;
2914 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2915 return;
2916#endif
2917 }
2918
2919 selection_wait = Sel_none; /* don't loop in selection_paste () */
2920 selection_paste (display->root, XA_CUT_BUFFER0, false);
2921}
2922
2923int
2924rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2925{
2926 Atom sel;
2927
2928 selection_type |= selnum;
2929
2930 if (selnum == Sel_Primary)
2931 sel = XA_PRIMARY;
2932 else if (selnum == Sel_Secondary)
2933 sel = XA_SECONDARY;
2934 else
2935 sel = xa[XA_CLIPBOARD];
2936
2937 if (XGetSelectionOwner (dpy, sel) != None)
2938 {
2939 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2940 vt, selection_request_time);
2941 return 1;
2942 }
2943
2944 return 0;
2945} 2754}
2946 2755
2947/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2948/* 2757/*
2949 * Clear all selected text 2758 * Clear all selected text
2950 * EXT: SelectionClear 2759 * EXT: SelectionClear
2951 */ 2760 */
2952void 2761void
2953rxvt_term::selection_clear () NOTHROW 2762rxvt_term::selection_clear (bool clipboard) noexcept
2954{ 2763{
2764 if (!clipboard)
2765 {
2955 want_refresh = 1; 2766 want_refresh = 1;
2956 free (selection.text); 2767 free (selection.text);
2957 selection.text = NULL; 2768 selection.text = NULL;
2958 selection.len = 0; 2769 selection.len = 0;
2959 CLEAR_SELECTION (); 2770 CLEAR_SELECTION ();
2960 2771
2961 if (display->selection_owner == this) 2772 if (display->selection_owner == this)
2962 display->selection_owner = 0; 2773 display->selection_owner = 0;
2774 }
2775 else
2776 {
2777 free (selection.clip_text);
2778 selection.clip_text = NULL;
2779 selection.clip_len = 0;
2780
2781 if (display->clipboard_owner == this)
2782 display->clipboard_owner = 0;
2783 }
2963} 2784}
2964 2785
2965/* ------------------------------------------------------------------------- */ 2786/* ------------------------------------------------------------------------- */
2966/* 2787/*
2967 * Copy a selection into the cut buffer 2788 * Copy a selection into the cut buffer
2968 * EXT: button 1 or 3 release 2789 * EXT: button 1 or 3 release
2969 */ 2790 */
2970void 2791void
2971rxvt_term::selection_make (Time tm) 2792rxvt_term::selection_make (Time tm)
2972{ 2793{
2973 int i; 2794 int size;
2974 wchar_t *new_selection_text; 2795 wchar_t *new_selection_text;
2975 text_t *t; 2796 text_t *t;
2976 2797
2977 switch (selection.op) 2798 switch (selection.op)
2978 { 2799 {
2994 return; /* nothing selected, go away */ 2815 return; /* nothing selected, go away */
2995 2816
2996 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END))) 2817 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2997 return; 2818 return;
2998 2819
2999 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2820 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3000 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2821 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3001 2822
3002 int ofs = 0; 2823 int ofs = 0;
3003 int extra = 0; 2824 int extra = 0;
3004 2825
3005 int col = selection.beg.col; 2826 int col = selection.beg.col;
3011 { 2832 {
3012#if !ENABLE_MINIMAL 2833#if !ENABLE_MINIMAL
3013 if (selection.rect) 2834 if (selection.rect)
3014 { 2835 {
3015 col = selection.beg.col; 2836 col = selection.beg.col;
3016 end_col = ncol + 1; 2837 end_col = selection.end.col;
3017 } 2838 }
3018 else 2839 else
3019#endif 2840#endif
3020 end_col = ROW(row).l; 2841 end_col = ROW(row).l;
3021 2842
3022 col = max (col, 0); 2843 col = max (col, 0);
3023 2844
3024 if (row == selection.end.row 2845 if (row == selection.end.row)
3025#if !ENABLE_MINIMAL
3026 || selection.rect
3027#endif
3028 )
3029 min_it (end_col, selection.end.col); 2846 min_it (end_col, selection.end.col);
3030 2847
3031 t = ROW(row).t + col; 2848 t = ROW(row).t + col;
3032 2849
3033 for (; col < end_col; col++) 2850 for (; col < end_col; col++)
3035 if (*t == NOCHAR) 2852 if (*t == NOCHAR)
3036 t++; 2853 t++;
3037#if ENABLE_COMBINING 2854#if ENABLE_COMBINING
3038 else if (IS_COMPOSE (*t)) 2855 else if (IS_COMPOSE (*t))
3039 { 2856 {
3040 int len = rxvt_composite.expand (*t, 0); 2857 int len = rxvt_composite.expand (*t);
3041 2858
3042 extra -= (len - 1); 2859 extra -= (len - 1);
3043 2860
3044 if (extra < 0) 2861 if (extra < 0)
3045 { 2862 {
3046 extra += i; 2863 extra += size;
3047 i += i; 2864 size += size;
3048 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2865 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3049 } 2866 }
3050 2867
3051 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2868 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3052 } 2869 }
3053#endif 2870#endif
3065 2882
3066 new_selection_text[ofs++] = C0_LF; 2883 new_selection_text[ofs++] = C0_LF;
3067 } 2884 }
3068 else 2885 else
3069#endif 2886#endif
3070 if (!ROW(row).is_longer () && row != selection.end.row) 2887 if (!ROW(row).is_longer ()
2888 && (row != selection.end.row || end_col != selection.end.col)
2889 && (row != selection.beg.row || selection.beg.col < ncol))
3071 new_selection_text[ofs++] = C0_LF; 2890 new_selection_text[ofs++] = C0_LF;
3072 } 2891 }
3073
3074 if (end_col != selection.end.col)
3075 new_selection_text[ofs++] = C0_LF;
3076 2892
3077 new_selection_text[ofs] = 0; 2893 new_selection_text[ofs] = 0;
3078 2894
3079 if (ofs == 0) 2895 if (ofs == 0)
3080 { 2896 {
3093 2909
3094 selection_grab (tm); 2910 selection_grab (tm);
3095} 2911}
3096 2912
3097bool 2913bool
3098rxvt_term::selection_grab (Time tm) NOTHROW 2914rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
3099{ 2915{
2916 Atom sel;
2917
2918 if (!clipboard)
2919 {
3100 selection_time = tm; 2920 selection_time = tm;
2921 sel = XA_PRIMARY;
2922 }
2923 else
2924 {
2925 clipboard_time = tm;
2926 sel = xa[XA_CLIPBOARD];
2927 }
3101 2928
3102 XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm); 2929 XSetSelectionOwner (dpy, sel, vt, tm);
3103 if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt) 2930 if (XGetSelectionOwner (dpy, sel) == vt)
3104 { 2931 {
3105 display->set_selection_owner (this); 2932 display->set_selection_owner (this, clipboard);
3106 return true; 2933 return true;
3107 } 2934 }
3108 else 2935 else
3109 { 2936 {
3110 selection_clear (); 2937 selection_clear (clipboard);
3111 return false; 2938 return false;
3112 } 2939 }
3113 2940
3114#if 0 2941#if 0
3115 XTextProperty ct; 2942 XTextProperty ct;
3125/* ------------------------------------------------------------------------- */ 2952/* ------------------------------------------------------------------------- */
3126/* 2953/*
3127 * Mark or select text based upon number of clicks: 1, 2, or 3 2954 * Mark or select text based upon number of clicks: 1, 2, or 3
3128 * EXT: button 1 press 2955 * EXT: button 1 press
3129 */ 2956 */
3130void 2957void ecb_cold
3131rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2958rxvt_term::selection_click (int clicks, int x, int y) noexcept
3132{ 2959{
3133 clicks = ((clicks - 1) % 3) + 1; 2960 clicks = ((clicks - 1) % 3) + 1;
3134 selection.clicks = clicks; /* save clicks so extend will work */ 2961 selection.clicks = clicks; /* save clicks so extend will work */
3135 2962
3136 if (clicks == 2 && !selection.rect 2963 if (clicks == 2 && !selection.rect
3154 2981
3155/* ------------------------------------------------------------------------- */ 2982/* ------------------------------------------------------------------------- */
3156/* 2983/*
3157 * Mark a selection at the specified col/row 2984 * Mark a selection at the specified col/row
3158 */ 2985 */
3159void 2986void ecb_cold
3160rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2987rxvt_term::selection_start_colrow (int col, int row) noexcept
3161{ 2988{
3162 want_refresh = 1; 2989 want_refresh = 1;
3163 2990
3164 selection.mark.row = row + view_start; 2991 selection.mark.row = row + view_start;
3165 selection.mark.col = col; 2992 selection.mark.col = col;
3187 * Word select: select text for 2 clicks 3014 * Word select: select text for 2 clicks
3188 * We now only find out the boundary in one direction 3015 * We now only find out the boundary in one direction
3189 */ 3016 */
3190 3017
3191/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3018/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3192#define DELIMIT_TEXT(x) \ 3019#define DELIMIT_TEXT(x) \
3193 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3020 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3194#define DELIMIT_REND(x) 1 3021#define DELIMIT_REND(x) 1
3195 3022
3196void 3023void ecb_cold
3197rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3024rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3198{ 3025{
3199 int col, row, dirnadd, tcol, trow, w1, w2; 3026 int col, row, dirnadd, tcol, trow, w1, w2;
3200 row_col_t bound; 3027 row_col_t bound;
3201 text_t *stp; 3028 text_t *stp;
3202 rend_t *srp; 3029 rend_t *srp;
3275 * EXT: button 3 press; button 1 or 3 drag 3102 * EXT: button 3 press; button 1 or 3 drag
3276 * flag == 0 ==> button 1 3103 * flag == 0 ==> button 1
3277 * flag == 1 ==> button 3 press 3104 * flag == 1 ==> button 3 press
3278 * flag == 2 ==> button 3 motion 3105 * flag == 2 ==> button 3 motion
3279 */ 3106 */
3280void 3107void ecb_cold
3281rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3108rxvt_term::selection_extend (int x, int y, int flag) noexcept
3282{ 3109{
3283 int col = clamp (Pixel2Col (x), 0, ncol); 3110 int col = clamp (Pixel2Col (x), 0, ncol);
3284 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3111 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3285 3112
3286 /* 3113 /*
3311 3138
3312/* ------------------------------------------------------------------------- */ 3139/* ------------------------------------------------------------------------- */
3313/* 3140/*
3314 * Extend the selection to the specified col/row 3141 * Extend the selection to the specified col/row
3315 */ 3142 */
3316void 3143void ecb_cold
3317rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3144rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3318{ 3145{
3319 row_col_t pos; 3146 row_col_t pos;
3320 enum { 3147 enum {
3321 LEFT, RIGHT 3148 LEFT, RIGHT
3322 } closeto = RIGHT; 3149 } closeto = RIGHT;
3323
3324 want_refresh = 1;
3325 3150
3326 switch (selection.op) 3151 switch (selection.op)
3327 { 3152 {
3328 case SELECTION_INIT: 3153 case SELECTION_INIT:
3329 CLEAR_SELECTION (); 3154 CLEAR_SELECTION ();
3509 3334
3510#if !ENABLE_MINIMAL 3335#if !ENABLE_MINIMAL
3511 if (selection.rect && selection.beg.col > selection.end.col) 3336 if (selection.rect && selection.beg.col > selection.end.col)
3512 ::swap (selection.beg.col, selection.end.col); 3337 ::swap (selection.beg.col, selection.end.col);
3513#endif 3338#endif
3339
3340 selection_changed ();
3514} 3341}
3515 3342
3516#if !ENABLE_MINIMAL 3343#if !ENABLE_MINIMAL
3517void 3344void ecb_cold
3518rxvt_term::selection_remove_trailing_spaces () NOTHROW 3345rxvt_term::selection_remove_trailing_spaces () noexcept
3519{ 3346{
3520 int32_t end_col, end_row; 3347 int32_t end_col, end_row;
3521 text_t *stp; 3348 text_t *stp;
3522 3349
3523 end_col = selection.end.col; 3350 end_col = selection.end.col;
3560/* ------------------------------------------------------------------------- */ 3387/* ------------------------------------------------------------------------- */
3561/* 3388/*
3562 * Double click on button 3 when already selected 3389 * Double click on button 3 when already selected
3563 * EXT: button 3 double click 3390 * EXT: button 3 double click
3564 */ 3391 */
3565void 3392void ecb_cold
3566rxvt_term::selection_rotate (int x, int y) NOTHROW 3393rxvt_term::selection_rotate (int x, int y) noexcept
3567{ 3394{
3568 selection.clicks = selection.clicks % 3 + 1; 3395 selection.clicks = selection.clicks % 3 + 1;
3569 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3396 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3570} 3397}
3571 3398
3572/* ------------------------------------------------------------------------- */ 3399/* ------------------------------------------------------------------------- */
3573/* 3400/*
3574 * Respond to a request for our current selection 3401 * Respond to a request for our current selection
3575 * EXT: SelectionRequest 3402 * EXT: SelectionRequest
3576 */ 3403 */
3577void 3404void ecb_cold
3578rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3405rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3579{ 3406{
3407 Atom property = rq.property == None ? rq.target : rq.property;
3580 XSelectionEvent ev; 3408 XSelectionEvent ev;
3581 3409
3582 ev.type = SelectionNotify; 3410 ev.type = SelectionNotify;
3583 ev.property = None; 3411 ev.property = None;
3584 ev.display = rq.display; 3412 ev.display = rq.display;
3599 *target++ = xa[XA_COMPOUND_TEXT]; 3427 *target++ = xa[XA_COMPOUND_TEXT];
3600#if X_HAVE_UTF8_STRING 3428#if X_HAVE_UTF8_STRING
3601 *target++ = xa[XA_UTF8_STRING]; 3429 *target++ = xa[XA_UTF8_STRING];
3602#endif 3430#endif
3603 3431
3604 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3432 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3605 32, PropModeReplace, 3433 32, PropModeReplace,
3606 (unsigned char *)target_list, target - target_list); 3434 (unsigned char *)target_list, target - target_list);
3607 ev.property = rq.property; 3435 ev.property = property;
3608 } 3436 }
3609#if TODO // TODO 3437#if TODO // TODO
3610 else if (rq.target == xa[XA_MULTIPLE]) 3438 else if (rq.target == xa[XA_MULTIPLE])
3611 { 3439 {
3612 /* TODO: Handle MULTIPLE */ 3440 /* TODO: Handle MULTIPLE */
3613 } 3441 }
3614#endif 3442#endif
3615 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3443 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3616 { 3444 {
3617 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3445 XChangeProperty (dpy, rq.requestor, property, rq.target,
3618 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3446 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3619 ev.property = rq.property; 3447 ev.property = property;
3448 }
3449 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3450 {
3451 XChangeProperty (dpy, rq.requestor, property, rq.target,
3452 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3453 ev.property = property;
3620 } 3454 }
3621 else if (rq.target == XA_STRING 3455 else if (rq.target == XA_STRING
3622 || rq.target == xa[XA_TEXT] 3456 || rq.target == xa[XA_TEXT]
3623 || rq.target == xa[XA_COMPOUND_TEXT] 3457 || rq.target == xa[XA_COMPOUND_TEXT]
3624 || rq.target == xa[XA_UTF8_STRING] 3458 || rq.target == xa[XA_UTF8_STRING]
3656 { 3490 {
3657 target = xa[XA_COMPOUND_TEXT]; 3491 target = xa[XA_COMPOUND_TEXT];
3658 style = enc_compound_text; 3492 style = enc_compound_text;
3659 } 3493 }
3660 3494
3661 if (selection.text) 3495 if (rq.selection == XA_PRIMARY && selection.text)
3662 { 3496 {
3663 cl = selection.text; 3497 cl = selection.text;
3664 selectlen = selection.len; 3498 selectlen = selection.len;
3665 } 3499 }
3500 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3501 {
3502 cl = selection.clip_text;
3503 selectlen = selection.clip_len;
3504 }
3666 else 3505 else
3667 { 3506 {
3668 cl = L""; 3507 cl = (wchar_t *)L"";
3669 selectlen = 0; 3508 selectlen = 0;
3670 } 3509 }
3671 3510
3672#if !ENABLE_MINIMAL 3511#if !ENABLE_MINIMAL
3673 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 3512 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3690 ct.value = (unsigned char *)cl; 3529 ct.value = (unsigned char *)cl;
3691 ct.nitems = selectlen; 3530 ct.nitems = selectlen;
3692 ct.encoding = target; 3531 ct.encoding = target;
3693 } 3532 }
3694 3533
3695 XChangeProperty (dpy, rq.requestor, rq.property, 3534 XChangeProperty (dpy, rq.requestor, property,
3696 ct.encoding, 8, PropModeReplace, 3535 ct.encoding, 8, PropModeReplace,
3697 ct.value, (int)ct.nitems); 3536 ct.value, (int)ct.nitems);
3698 ev.property = rq.property; 3537 ev.property = property;
3699 3538
3700 if (freect) 3539 if (freect)
3701 XFree (ct.value); 3540 XFree (ct.value);
3702 } 3541 }
3703 3542
3704 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev); 3543 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3705} 3544}
3706 3545
3707/* ------------------------------------------------------------------------- */ 3546/* ------------------------------------------------------------------------- */
3708#ifdef USE_XIM 3547#if USE_XIM
3709void 3548void ecb_cold
3710rxvt_term::im_set_position (XPoint &pos) NOTHROW 3549rxvt_term::im_set_position (XPoint &pos) noexcept
3711{ 3550{
3712 XWindowAttributes xwa; 3551 XWindowAttributes xwa;
3713 3552
3714 XGetWindowAttributes (dpy, vt, &xwa); 3553 XGetWindowAttributes (dpy, vt, &xwa);
3715 3554
3718} 3557}
3719#endif 3558#endif
3720 3559
3721#if ENABLE_OVERLAY 3560#if ENABLE_OVERLAY
3722void 3561void
3723rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW 3562rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3724{ 3563{
3725 if (nrow < 1 || ncol < 1) 3564 if (nrow < 1 || ncol < 1)
3726 return; 3565 return;
3727 3566
3728 want_refresh = 1; 3567 want_refresh = 1;
3737 h += 2; min_it (h, nrow); 3576 h += 2; min_it (h, nrow);
3738 3577
3739 x -= 1; clamp_it (x, 0, ncol - w); 3578 x -= 1; clamp_it (x, 0, ncol - w);
3740 y -= 1; clamp_it (y, 0, nrow - h); 3579 y -= 1; clamp_it (y, 0, nrow - h);
3741 3580
3742 ov_x = x; ov_y = y; 3581 ov.x = x; ov.y = y;
3743 ov_w = w; ov_h = h; 3582 ov.w = w; ov.h = h;
3744 3583
3745 ov_text = new text_t *[h]; 3584 ov.text = new text_t *[h];
3746 ov_rend = new rend_t *[h]; 3585 ov.rend = new rend_t *[h];
3747 3586
3748 for (y = 0; y < h; y++) 3587 for (y = 0; y < h; y++)
3749 { 3588 {
3750 text_t *tp = ov_text[y] = new text_t[w]; 3589 text_t *tp = ov.text[y] = new text_t[w];
3751 rend_t *rp = ov_rend[y] = new rend_t[w]; 3590 rend_t *rp = ov.rend[y] = new rend_t[w];
3752 3591
3753 text_t t0, t1, t2; 3592 text_t t0, t1, t2;
3754 rend_t r = OVERLAY_RSTYLE; 3593 rend_t r = OVERLAY_RSTYLE;
3755 3594
3756 if (y == 0) 3595 if (y == 0)
3773 *rp = r; 3612 *rp = r;
3774 } 3613 }
3775} 3614}
3776 3615
3777void 3616void
3778rxvt_term::scr_overlay_off () NOTHROW 3617rxvt_term::scr_overlay_off () noexcept
3779{ 3618{
3780 if (!ov_text) 3619 if (!ov.text)
3781 return; 3620 return;
3782 3621
3783 want_refresh = 1; 3622 want_refresh = 1;
3784 3623
3785 for (int y = 0; y < ov_h; y++) 3624 for (int y = 0; y < ov.h; y++)
3786 { 3625 {
3787 delete [] ov_text[y]; 3626 delete [] ov.text[y];
3788 delete [] ov_rend[y]; 3627 delete [] ov.rend[y];
3789 } 3628 }
3790 3629
3791 delete [] ov_text; ov_text = 0; 3630 delete [] ov.text; ov.text = 0;
3792 delete [] ov_rend; ov_rend = 0; 3631 delete [] ov.rend; ov.rend = 0;
3793} 3632}
3794 3633
3795void 3634void
3796rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW 3635rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3797{ 3636{
3798 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3637 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3799 return; 3638 return;
3800 3639
3801 x++, y++; 3640 x++, y++;
3802 3641
3803 ov_text[y][x] = text; 3642 ov.text[y][x] = text;
3804 ov_rend[y][x] = rend; 3643 ov.rend[y][x] = rend;
3805} 3644}
3806 3645
3807void 3646void
3808rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW 3647rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3809{ 3648{
3810 while (*s) 3649 while (*s)
3811 scr_overlay_set (x++, y, *s++); 3650 scr_overlay_set (x++, y, *s++);
3812} 3651}
3813 3652
3814void 3653void
3815rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW 3654rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3816{ 3655{
3817 while (*s) 3656 while (*s)
3818 { 3657 {
3819 text_t t = *s++; 3658 text_t t = *s++;
3820 int width = WCWIDTH (t); 3659 int width = WCWIDTH (t);
3826 } 3665 }
3827 } 3666 }
3828} 3667}
3829 3668
3830void 3669void
3831rxvt_term::scr_swap_overlay () NOTHROW 3670rxvt_term::scr_swap_overlay () noexcept
3832{ 3671{
3833 if (!ov_text) 3672 if (!ov.text)
3834 return; 3673 return;
3835 3674
3675 // hide cursor if it is within the overlay area
3676 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3677 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3678 screen.flags &= ~Screen_VisibleCursor;
3679
3836 // swap screen mem with overlay 3680 // swap screen mem with overlay
3837 for (int y = ov_h; y--; ) 3681 for (int y = ov.h; y--; )
3838 { 3682 {
3839 text_t *t1 = ov_text[y]; 3683 text_t *t1 = ov.text[y];
3840 rend_t *r1 = ov_rend[y]; 3684 rend_t *r1 = ov.rend[y];
3841 3685
3842 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x; 3686 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3843 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x; 3687 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3844 3688
3845 for (int x = ov_w; x--; ) 3689 for (int x = ov.w; x--; )
3846 { 3690 {
3847 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3691 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3848 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3692 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3849 } 3693 }
3850 } 3694 }

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