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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.201 by root, Sat Dec 31 16:40:28 2005 UTC vs.
Revision 1.313 by root, Tue Nov 4 14:25:10 2008 UTC

1/*--------------------------------*-C-*--------------------------------------* 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) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29 29#include "rxvtperl.h" /* NECESSARY */
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 30
32#include <inttypes.h> 31#include <inttypes.h>
33 32
34#include "salloc.C" // HACK, should be a seperate compile! 33#include "salloc.C" // HACK, should be a seperate compile!
35 34
36inline void fill_text (text_t *start, text_t value, int len) 35static inline void fill_text (text_t *start, text_t value, int len)
37{ 36{
38 while (len--) 37 while (len--)
39 *start++ = value; 38 *start++ = value;
40} 39}
41 40
… …
46 45
47/* ------------------------------------------------------------------------- * 46/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 48 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 49#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 50 if (option (Opt_scrollTtyOutput)) \
52 view_start = 0 51 view_start = 0
53#define CLEAR_SELECTION() \ 52#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 53 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 54 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 55#define CLEAR_ALL_SELECTION() \
… …
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 84#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 85 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 86
88/* 87/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 88 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 89 */
93#define drawBuffer vt
94
95#define CLEAR_ROWS(row, num) \
96 if (mapped) \
97 XClearArea (display->display, drawBuffer, 0, \
98 Row2Pixel (row), (unsigned int)width, \
99 (unsigned int)Height2Pixel (num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 90#define CLEAR_CHARS(x, y, num) \
102 if (mapped) \ 91 if (mapped) \
103 XClearArea (display->display, drawBuffer, x, y, \ 92 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel (num), \ 93 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel (1), False) 94 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (display->display, drawBuffer, gc, \
109 0, Row2Pixel (row), \
110 (unsigned int)width, \
111 (unsigned int)Height2Pixel (num))
112 95
113/* ------------------------------------------------------------------------- * 96/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 97 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 98 * ------------------------------------------------------------------------- */
116 99
117/* Fill part/all of a line with blanks. */ 100/* Fill part/all of a line with blanks. */
118void 101void
119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 102rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120{ 103{
121 if (!l.t) 104 if (!l.t)
122 { 105 {
123 lalloc (l); 106 lalloc (l);
124 col = 0; 107 col = 0;
125 width = ncol; 108 width = ncol;
126 } 109 }
127 110
128 efs &= ~RS_baseattrMask; 111 l.touch ();
112
113 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
129 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 114 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
130 115
131 text_t *et = l.t + col; 116 text_t *et = l.t + col;
132 rend_t *er = l.r + col; 117 rend_t *er = l.r + col;
133 118
… …
139} 124}
140 125
141/* ------------------------------------------------------------------------- */ 126/* ------------------------------------------------------------------------- */
142/* Fill a full line with blanks - make sure it is allocated first */ 127/* Fill a full line with blanks - make sure it is allocated first */
143void 128void
144rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 129rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
145{ 130{
146 scr_blank_line (l, 0, ncol, efs); 131 scr_blank_line (l, 0, ncol, efs);
132
133 l.l = 0;
134 l.f = 0;
135}
136
137// nuke a single wide character at the given column
138void
139rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
140{
141 // find begin
142 while (col > 0 && l.t[col] == NOCHAR)
143 col--;
144
145 rend_t rend = l.r[col] & ~RS_baseattrMask;
146 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
147
148 // found begin, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
147} 154}
148 155
149/* ------------------------------------------------------------------------- * 156/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 157 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 158 * ------------------------------------------------------------------------- */
… …
155{ 162{
156#if ENABLE_OVERLAY 163#if ENABLE_OVERLAY
157 scr_overlay_off (); 164 scr_overlay_off ();
158#endif 165#endif
159 166
167 rvideo_mode = false;
160 view_start = 0; 168 view_start = 0;
161 num_scr = 0; 169 num_scr = 0;
162 170
163 if (ncol == 0) 171 if (ncol == 0)
164 ncol = 80; 172 ncol = 80;
… …
167 nrow = 24; 175 nrow = 24;
168 176
169 if (ncol == prev_ncol && nrow == prev_nrow) 177 if (ncol == prev_ncol && nrow == prev_nrow)
170 return; 178 return;
171 179
180 if (current_screen != PRIMARY)
181 scr_swap_screen ();
182
172 // we need at least two lines for wrapping to work correctly 183 // we need at least two lines for wrapping to work correctly
173 if (nrow + saveLines < 2) 184 while (nrow + saveLines < 2)
174 { 185 {
175 //TODO//FIXME 186 //TODO//FIXME
176 saveLines++; 187 saveLines++;
177 prev_nrow--; 188 prev_nrow--;
178 nsaved++; 189 top_row--;
179 } 190 }
180 191
181 want_refresh = 1; 192 want_refresh = 1;
182 193
183 int prev_total_rows = prev_nrow + saveLines; 194 int prev_total_rows = prev_nrow + saveLines;
… …
188 199
189 if (!row_buf) 200 if (!row_buf)
190 { 201 {
191 /* 202 /*
192 * first time called so just malloc everything: don't rely on realloc 203 * first time called so just malloc everything: don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */ 204 */
195 nsaved = 0; /* no saved lines */ 205 top_row = 0;
196 term_start = 0; 206 term_start = 0;
197 207
198 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 208 talloc = new rxvt_salloc (ncol * sizeof (text_t));
199 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 209 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
200 210
201 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 211 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
202 temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
203 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 212 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
204 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 213 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205 214
206 for (int row = nrow; row--; ) 215 for (int row = nrow; row--; )
207 { 216 {
208 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 217 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
209 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 218 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
… …
230 selection.text = NULL; 239 selection.text = NULL;
231 selection.len = 0; 240 selection.len = 0;
232 selection.op = SELECTION_CLEAR; 241 selection.op = SELECTION_CLEAR;
233 selection.screen = PRIMARY; 242 selection.screen = PRIMARY;
234 selection.clicks = 0; 243 selection.clicks = 0;
235 CLEAR_ALL_SELECTION ();
236 rvideo = 0;
237 } 244 }
238 else 245 else
239 { 246 {
240 /* 247 /*
241 * add or delete rows as appropriate 248 * add or delete rows as appropriate
… …
254 } 261 }
255 } 262 }
256#endif 263#endif
257 264
258 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t)); 265 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
259 temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
260 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t)); 266 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
261 267
262 for (int row = min (nrow, prev_nrow); row--; ) 268 for (int row = min (nrow, prev_nrow); row--; )
263 { 269 {
264 lresize (drawn_buf[row]); 270 lresize (drawn_buf[row]);
… …
269 { 275 {
270 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 276 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); 277 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
272 } 278 }
273 279
280 line_t *old_buf = row_buf;
274 line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 281 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
275 282
276 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 283 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
277 int pend = MOD (term_start - nsaved , prev_total_rows); 284 int pend = MOD (term_start + top_row , prev_total_rows);
278 int q = total_rows; // rewrapped row 285 int q = total_rows; // rewrapped row
279 286
280 if (nsaved) 287 if (top_row)
281 { 288 {
282 // re-wrap lines, this is rather ugly, possibly because I am too dumb 289 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
283 // to come up with a lean and mean algorithm. 290 // to come up with a lean and mean algorithm.
284 291
285 row_col_t ocur = screen.cur; 292 row_col_t ocur = screen.cur;
286 ocur.row = MOD (term_start + ocur.row, prev_total_rows); 293 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
287 294
… …
289 { 296 {
290 p = MOD (p - 1, prev_total_rows); 297 p = MOD (p - 1, prev_total_rows);
291#ifdef DEBUG_STRICT 298#ifdef DEBUG_STRICT
292 assert (old_buf [MOD (p, prev_total_rows)].t); 299 assert (old_buf [MOD (p, prev_total_rows)].t);
293#endif 300#endif
294
295 int plines = 1; 301 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l; 302 int llen = old_buf [MOD (p, prev_total_rows)].l;
297 303
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ()) 304 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299 { 305 {
… …
317 // re-assemble the full line by destination lines 323 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++) 324 for (int qrow = q; qlines--; qrow++)
319 { 325 {
320 qline = row_buf + qrow; 326 qline = row_buf + qrow;
321 lalloc (*qline); 327 lalloc (*qline);
328 qline->l = ncol;
322 qline->set_is_longer (); 329 qline->is_longer (1);
323 330
324 int qcol = 0; 331 int qcol = 0;
332
333 // see below for cursor adjustment rationale
334 if (p == ocur.row)
335 screen.cur.row = q - (total_rows - nrow);
325 336
326 // fill a single destination line 337 // fill a single destination line
327 while (lofs < llen && qcol < ncol) 338 while (lofs < llen && qcol < ncol)
328 { 339 {
329 int prow = lofs / prev_ncol; 340 int prow = lofs / prev_ncol;
… …
340 351
341 line_t &pline = old_buf [prow]; 352 line_t &pline = old_buf [prow];
342 353
343 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 354 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
344 355
345 assert (len);
346 assert (pline.t);
347
348 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t)); 356 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
349 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t)); 357 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
350 358
351 lofs += len; 359 lofs += len;
352 qcol += len; 360 qcol += len;
353 } 361 }
354 } 362 }
355 363
356 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0; 364 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
357#ifdef DEBUG_STRICT //TODO//FIXME//TEMPORARY 365 qline->is_longer (0);
358 if (qline->l < 0)
359 {
360 fprintf (stderr, "ERROR, PLEASE REPORT to rxvt-unicode@plan9.de: qline->l %d = llen %d < ncol %d ? %d : MOD %d\n", qline->l,llen,ncol,llen,MOD (llen - 1, ncol) + 1);//D
361 qline->l = 0;
362 }
363#endif
364 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 366 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
365 } 367 }
366 while (p != pend && q > 0); 368 while (p != pend && q > 0);
367 369
368 term_start = total_rows - nrow; 370 term_start = total_rows - nrow;
369 nsaved = term_start - q; 371 top_row = q - term_start;
370 372
371 // make sure all terminal lines exist 373 // make sure all terminal lines exist
372 while (nsaved < 0) 374 while (top_row > 0)
373 scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE); 375 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
374
375 } 376 }
376 else 377 else
377 { 378 {
378 // if no scrollback exists (yet), wing, instead of wrap 379 // if no scrollback exists (yet), wing, instead of wrap
379 380
380 for (int row = min (nrow, prev_nrow); row--; ) 381 for (int row = min (nrow, prev_nrow); row--; )
381 { 382 {
382 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)]; 383 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
383 line_t &qline = row_buf [row]; 384 line_t &qline = row_buf [row];
384 385
… …
392 } 393 }
393 394
394 term_start = 0; 395 term_start = 0;
395 } 396 }
396 397
397#ifdef DEBUG_STRICT //TODO: remove
398 for (int i = -nsaved; i < nrow; i++)
399 assert (ROW (i).t);
400#endif
401
402 free (old_buf); 398 free (old_buf);
403 delete old_ta; 399 delete old_ta;
404 delete old_ra; 400 delete old_ra;
405 401
406 clamp_it (screen.cur.row, 0, nrow - 1); 402 clamp_it (screen.cur.row, 0, nrow - 1);
407 clamp_it (screen.cur.col, 0, ncol - 1); 403 clamp_it (screen.cur.col, 0, ncol - 1);
408 404
409 if (tabs)
410 free (tabs); 405 free (tabs);
411 } 406 }
407
408 CLEAR_ALL_SELECTION ();
412 409
413 prev_nrow = nrow; 410 prev_nrow = nrow;
414 prev_ncol = ncol; 411 prev_ncol = ncol;
415 412
416 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 413 tabs = (char *)rxvt_malloc (ncol);
417 414
418 for (int col = ncol; col--; ) 415 for (int col = ncol; --col; )
419 tabs [col] = col % TABSIZE == 0; 416 tabs [col] = col % TABSIZE == 0;
420 417
418 if (current_screen != PRIMARY)
419 scr_swap_screen ();
420
421 tt_winch (); 421 tt_winch ();
422
423 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
422} 424}
423 425
424/* ------------------------------------------------------------------------- */ 426/* ------------------------------------------------------------------------- */
425/* 427/*
426 * Free everything. That way malloc debugging can find leakage. 428 * Free everything. That way malloc debugging can find leakage.
427 */ 429 */
428void 430void
429rxvt_term::scr_release () 431rxvt_term::scr_release () NOTHROW
430{ 432{
433 if (row_buf)
434 {
431 delete talloc; talloc = 0; 435 delete talloc; talloc = 0;
432 delete ralloc; ralloc = 0; 436 delete ralloc; ralloc = 0;
433 437
434 free (row_buf); 438 free (row_buf);
435 free (swap_buf); 439 free (swap_buf);
436 free (drawn_buf); 440 free (drawn_buf);
437 free (temp_buf);
438 free (tabs); 441 free (tabs);
439 442
440 row_buf = 0; // signal that we freed all the arrays 443 row_buf = 0; // signal that we freed all the arrays
444 }
441} 445}
442 446
443/* ------------------------------------------------------------------------- */ 447/* ------------------------------------------------------------------------- */
444/* 448/*
445 * Hard reset 449 * Hard reset
… …
450 scr_release (); 454 scr_release ();
451 prev_nrow = prev_ncol = 0; 455 prev_nrow = prev_ncol = 0;
452 scr_reset (); 456 scr_reset ();
453 457
454 scr_clear (true); 458 scr_clear (true);
455 scr_refresh (SLOW_REFRESH); 459 scr_refresh ();
456} 460}
457 461
458/* ------------------------------------------------------------------------- * 462/* ------------------------------------------------------------------------- *
459 * PROCESS SCREEN COMMANDS * 463 * PROCESS SCREEN COMMANDS *
460 * ------------------------------------------------------------------------- */ 464 * ------------------------------------------------------------------------- */
… …
462 * Save and Restore cursor 466 * Save and Restore cursor
463 * XTERM_SEQ: Save cursor : ESC 7 467 * XTERM_SEQ: Save cursor : ESC 7
464 * XTERM_SEQ: Restore cursor: ESC 8 468 * XTERM_SEQ: Restore cursor: ESC 8
465 */ 469 */
466void 470void
467rxvt_term::scr_cursor (int mode) 471rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
468{ 472{
469 screen_t *s; 473 screen_t *s;
470 474
471#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 475#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
472 if (current_screen == SECONDARY) 476 if (current_screen == SECONDARY)
… …
504 assert (s->cur.row >= 0); 508 assert (s->cur.row >= 0);
505 assert (s->cur.col >= 0); 509 assert (s->cur.col >= 0);
506#endif 510#endif
507} 511}
508 512
513void
514rxvt_term::scr_swap_screen ()
515{
516 if (!option (Opt_secondaryScreen))
517 return;
518
519 for (int i = prev_nrow; i--; )
520 ::swap (ROW(i), swap_buf [i]);
521
522 ::swap (screen.cur, swap.cur);
523
524 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
525 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
526}
527
509/* ------------------------------------------------------------------------- */ 528/* ------------------------------------------------------------------------- */
510/* 529/*
511 * Swap between primary and secondary screens 530 * Swap between primary and secondary screens
512 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 531 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
513 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 532 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
514 */ 533 */
515int 534void
516rxvt_term::scr_change_screen (int scrn) 535rxvt_term::scr_change_screen (int scrn)
517{ 536{
537 if (scrn == current_screen)
538 return;
539
518 want_refresh = 1; 540 want_refresh = 1;
519 view_start = 0; 541 view_start = 0;
520 542
521 if (current_screen == scrn)
522 return scrn;
523
524 selection_check (2); /* check for boundary cross */ 543 selection_check (2); /* check for boundary cross */
525 544
526 int i = current_screen; current_screen = scrn; scrn = i; 545 int i = current_screen; current_screen = scrn; scrn = i;
527 546
528 ::swap (screen.cur.row, swap.cur.row);
529 ::swap (screen.cur.col, swap.cur.col);
530
531 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
532 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
533
534#if NSCREENS 547#if NSCREENS
535 if (options & Opt_secondaryScreen) 548 if (option (Opt_secondaryScreen))
536 { 549 {
537 num_scr = 0; 550 num_scr = 0;
538 551
539 for (int i = prev_nrow; i--; ) 552 scr_swap_screen ();
540 ::swap (ROW(i), swap_buf [i]);
541 553
542 ::swap (screen.charset, swap.charset); 554 ::swap (screen.charset, swap.charset);
543 ::swap (screen.flags, swap.flags); 555 ::swap (screen.flags, swap.flags);
544 screen.flags |= Screen_VisibleCursor; 556 screen.flags |= Screen_VisibleCursor;
545 swap.flags |= Screen_VisibleCursor; 557 swap.flags |= Screen_VisibleCursor;
546 } 558 }
547 else 559 else
548#endif 560#endif
549 if (options & Opt_secondaryScroll) 561 if (option (Opt_secondaryScroll))
550 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 562 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
551
552 return scrn;
553} 563}
554 564
555// clear WrapNext indicator, solidifying position on next line 565// clear WrapNext indicator, solidifying position on next line
556void 566void
557rxvt_term::scr_do_wrap () 567rxvt_term::scr_do_wrap () NOTHROW
558{ 568{
559 if (!(screen.flags & Screen_WrapNext)) 569 if (!(screen.flags & Screen_WrapNext))
560 return; 570 return;
561 571
562 screen.flags &= ~Screen_WrapNext; 572 screen.flags &= ~Screen_WrapNext;
… …
572/* ------------------------------------------------------------------------- */ 582/* ------------------------------------------------------------------------- */
573/* 583/*
574 * Change the colour for following text 584 * Change the colour for following text
575 */ 585 */
576void 586void
577rxvt_term::scr_color (unsigned int color, int fgbg) 587rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
578{ 588{
579 if (color > maxTermCOLOR) 589 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
580 color = fgbg; 590 color = fgbg;
581 591
582 if (fgbg == Color_fg) 592 if (fgbg == Color_fg)
583 rstyle = SET_FGCOLOR (rstyle, color); 593 rstyle = SET_FGCOLOR (rstyle, color);
584 else 594 else
… …
588/* ------------------------------------------------------------------------- */ 598/* ------------------------------------------------------------------------- */
589/* 599/*
590 * Change the rendition style for following text 600 * Change the rendition style for following text
591 */ 601 */
592void 602void
593rxvt_term::scr_rendition (int set, int style) 603rxvt_term::scr_rendition (int set, int style) NOTHROW
594 { 604{
595 if (set) 605 if (set)
596 rstyle |= style; 606 rstyle |= style;
597 else if (style == ~RS_None) 607 else if (style == ~RS_None)
598 rstyle = DEFAULT_RSTYLE; 608 rstyle = DEFAULT_RSTYLE;
599 else 609 else
600 rstyle &= ~style; 610 rstyle &= ~style;
601 } 611}
602 612
603/* ------------------------------------------------------------------------- */ 613/* ------------------------------------------------------------------------- */
604/* 614/*
605 * Scroll text between <row1> and <row2> inclusive, by <count> lines 615 * Scroll text between <row1> and <row2> inclusive, by <count> lines
606 * count positive ==> scroll up 616 * count positive ==> scroll up
607 * count negative ==> scroll down 617 * count negative ==> scroll down
608 */ 618 */
609int 619int
610rxvt_term::scr_scroll_text (int row1, int row2, int count) 620rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
611{ 621{
612 if (count == 0 || (row1 > row2)) 622 if (count == 0 || (row1 > row2))
613 return 0; 623 return 0;
614 624
615 want_refresh = 1; 625 want_refresh = 1;
616 num_scr += count; 626 num_scr += count;
617 627
618 if (count > 0 628 if (count > 0
619 && row1 == 0 629 && row1 == 0
620 && row2 == nrow - 1
621 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 630 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
622 { 631 {
623 nsaved = min (nsaved + count, saveLines); 632 top_row = max (top_row - count, -saveLines);
633
634 // scroll everything up 'count' lines
624 term_start = (term_start + count) % total_rows; 635 term_start = (term_start + count) % total_rows;
625 636
637 // sever bottommost line
638 {
639 line_t &l = ROW(row2 - count);
640 l.is_longer (0);
641 l.touch ();
642 }
643
644 // erase newly scrolled-in lines
645 for (int i = count; i--; )
646 {
647 line_t &l = ROW(nrow - 1 - i);
648
649 // optimize if already cleared, can be significant on slow machines
650 // could be rolled into scr_blank_screen_mem
651 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
652 {
653 scr_blank_line (l, 0, l.l, rstyle);
654 l.l = 0;
655 l.f = 0;
656 }
657 else
658 scr_blank_screen_mem (l, rstyle);
659 }
660
661 // now copy lines below the scroll region bottom to the
662 // bottom of the screen again, so they look as if they
663 // hadn't moved.
664 for (int i = nrow; --i > row2; )
665 {
666 line_t &l1 = ROW(i - count);
667 line_t &l2 = ROW(i);
668
669 ::swap (l1, l2);
670 l2.touch ();
671 }
672
673 // move and/or clear selection, if any
626 if (selection.op && current_screen == selection.screen) 674 if (selection.op && current_screen == selection.screen)
627 { 675 {
628 selection.beg.row -= count; 676 selection.beg.row -= count;
629 selection.end.row -= count; 677 selection.end.row -= count;
630 selection.mark.row -= count; 678 selection.mark.row -= count;
631 679
632 if (selection.beg.row < -nsaved 680 if (selection.beg.row < top_row
633 || selection.end.row < -nsaved 681 || selection.end.row < top_row
634 || selection.mark.row < -nsaved) 682 || selection.mark.row < top_row)
635 { 683 {
636 CLEAR_ALL_SELECTION (); 684 CLEAR_ALL_SELECTION ();
637 selection.op = SELECTION_CLEAR; 685 selection.op = SELECTION_CLEAR;
638 } 686 }
639 } 687 }
640 688
641 for (int i = count; i--; ) 689 // finally move the view window, if desired
642 {
643 ROW(row2 - i).l = 0;
644 scr_blank_screen_mem (ROW(row2 - i), rstyle);
645 }
646
647 if ((options & Opt_scrollWithBuffer) 690 if (option (Opt_scrollWithBuffer)
648 && view_start != 0 691 && view_start != 0
649 && view_start != saveLines) 692 && view_start != -saveLines)
650 scr_page (UP, count); 693 scr_page (UP, count);
694
695 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
696 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
651 } 697 }
652 else 698 else
653 { 699 {
654 if (selection.op && current_screen == selection.screen) 700 if (selection.op && current_screen == selection.screen)
655 { 701 {
… …
667 { 713 {
668 /* move selected region too */ 714 /* move selected region too */
669 selection.beg.row -= count; 715 selection.beg.row -= count;
670 selection.end.row -= count; 716 selection.end.row -= count;
671 selection.mark.row -= count; 717 selection.mark.row -= count;
672 718
673 selection_check (0); 719 selection_check (0);
674 } 720 }
675 } 721 }
676 722
677 // use a simple and robust scrolling algorithm, this 723 // use a simple and robust scrolling algorithm, this
… …
679 725
680 int rows = row2 - row1 + 1; 726 int rows = row2 - row1 + 1;
681 727
682 min_it (count, rows); 728 min_it (count, rows);
683 729
730 line_t *temp_buf = row_buf + total_rows;
731
684 for (int row = 0; row < rows; row++) 732 for (int row = 0; row < rows; row++)
685 { 733 {
686 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 734 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
687 735
688 if (!IN_RANGE_EXC (row + count, 0, rows)) 736 if (!IN_RANGE_EXC (row + count, 0, rows))
… …
699/* ------------------------------------------------------------------------- */ 747/* ------------------------------------------------------------------------- */
700/* 748/*
701 * Add text given in <str> of length <len> to screen struct 749 * Add text given in <str> of length <len> to screen struct
702 */ 750 */
703void 751void
704rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 752rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
705{ 753{
706 if (len <= 0) /* sanity */ 754 if (len <= 0) /* sanity */
707 return; 755 return;
708 756
709 unsigned char checksel; 757 unsigned char checksel;
710 unicode_t c; 758 unicode_t c;
711 int last_col; 759 int ncol = this->ncol;
712 const unicode_t *strend = str + len; 760 const wchar_t *strend = str + len;
713 761
714 want_refresh = 1; 762 want_refresh = 1;
715 ZERO_SCROLLBACK (); 763 ZERO_SCROLLBACK ();
716 last_col = ncol;
717 764
718 if (nlines > 0) 765 if (minlines > 0)
719 { 766 {
720 nlines += screen.cur.row - screen.bscroll; 767 minlines += screen.cur.row - screen.bscroll;
768 min_it (minlines, screen.cur.row - top_row);
769
721 if (nlines > 0 770 if (minlines > 0
722 && screen.tscroll == 0 771 && screen.tscroll == 0
723 && screen.bscroll == (nrow - 1)) 772 && screen.bscroll == nrow - 1)
724 { 773 {
725 /* _at least_ this many lines need to be scrolled */ 774 /* _at least_ this many lines need to be scrolled */
726 scr_scroll_text (screen.tscroll, screen.bscroll, nlines); 775 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
727 screen.cur.row -= nlines; 776 screen.cur.row -= minlines;
728 } 777 }
729 } 778 }
730 779
731#ifdef DEBUG_STRICT 780#ifdef DEBUG_STRICT
732 assert (screen.cur.col < last_col); 781 assert (screen.cur.col < ncol);
733 assert (screen.cur.row < nrow 782 assert (screen.cur.row < nrow
734 && screen.cur.row >= -nsaved); 783 && screen.cur.row >= top_row);
735#endif 784#endif
736 int row = screen.cur.row; 785 int row = screen.cur.row;
737 786
738 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 787 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
739 788
740 line_t *line = &ROW(row); 789 line_t *line = &ROW(row);
741 790
742 while (str < strend) 791 while (str < strend)
743 { 792 {
744 c = *str++; 793 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
745 794
746 if (c < 0x20) 795 if (expect_false (c < 0x20))
747 if (c == C0_LF) 796 if (c == C0_LF)
748 { 797 {
749 if (!line->is_longer ()) /* XXX: think about this */
750 max_it (line->l, screen.cur.col); 798 max_it (line->l, screen.cur.col);
751 799
752 screen.flags &= ~Screen_WrapNext; 800 screen.flags &= ~Screen_WrapNext;
753 801
754 if (screen.cur.row == screen.bscroll) 802 if (screen.cur.row == screen.bscroll)
755 scr_scroll_text (screen.tscroll, screen.bscroll, 1); 803 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
… …
759 line = &ROW(row); /* _must_ refresh */ 807 line = &ROW(row); /* _must_ refresh */
760 continue; 808 continue;
761 } 809 }
762 else if (c == C0_CR) 810 else if (c == C0_CR)
763 { 811 {
764 if (!line->is_longer ()) /* XXX: think about this */
765 max_it (line->l, screen.cur.col); 812 max_it (line->l, screen.cur.col);
766 813
767 screen.flags &= ~Screen_WrapNext; 814 screen.flags &= ~Screen_WrapNext;
768 screen.cur.col = 0; 815 screen.cur.col = 0;
769 continue; 816 continue;
770 } 817 }
… …
772 { 819 {
773 scr_tab (1, true); 820 scr_tab (1, true);
774 continue; 821 continue;
775 } 822 }
776 823
824 if (expect_false (
777 if (checksel /* see if we're writing within selection */ 825 checksel /* see if we're writing within selection */
778 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 826 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
779 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 827 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
828 ))
780 { 829 {
781 checksel = 0; 830 checksel = 0;
782 /* 831 /*
783 * If we wrote anywhere in the selected area, kill the selection 832 * If we wrote anywhere in the selected area, kill the selection
784 * XXX: should we kill the mark too? Possibly, but maybe that 833 * XXX: should we kill the mark too? Possibly, but maybe that
785 * should be a similar check. 834 * should be a similar check.
786 */ 835 */
787 CLEAR_SELECTION (); 836 CLEAR_SELECTION ();
788 } 837 }
789 838
790 if (screen.flags & Screen_WrapNext) 839 if (expect_false (screen.flags & Screen_WrapNext))
791 { 840 {
792 line->set_is_longer ();
793
794 scr_do_wrap (); 841 scr_do_wrap ();
795 842
843 line->l = ncol;
844 line->is_longer (1);
845
796 row = screen.cur.row; 846 row = screen.cur.row;
797 line = &ROW(row); /* _must_ refresh */ 847 line = &ROW(row); /* _must_ refresh */
798 } 848 }
799 849
800 // some utf-8 decoders "decode" surrogate characters: let's fix this. 850 // some utf-8 decoders "decode" surrogate characters: let's fix this.
801 if (IN_RANGE_INC (c, 0xd800, 0xdfff)) 851 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))
802 c = 0xfffd; 852 c = 0xfffd;
803 853
804 // rely on wcwidth to tell us the character width, at least for non-latin1 854 // rely on wcwidth to tell us the character width, do wcwidth before
805 // do wcwidth before further replacements, as wcwidth might return -1 855 // further replacements, as wcwidth might return -1 for the line
806 // for the line drawing characters below as they might be invalid in the current 856 // drawing characters below as they might be invalid in the current
807 // locale. 857 // locale.
808 int width = c < 0x100 ? 1 : wcwidth (c); 858 int width = WCWIDTH (c);
809 859
810 if (charsets[screen.charset] == '0') // DEC SPECIAL 860 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL
811 { 861 {
812 // vt100 special graphics and line drawing 862 // vt100 special graphics and line drawing
813 // 5f-7e standard vt100 863 // 5f-7e standard vt100
814 // 40-5e rxvt extension for extra curses acs chars 864 // 40-5e rxvt extension for extra curses acs chars
815 static uint16_t vt100_0[62] = { // 41 .. 7e 865 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
828 c = vt100_0[c - 0x41]; 878 c = vt100_0[c - 0x41];
829 width = 1; // vt100 line drawing characters are always single-width 879 width = 1; // vt100 line drawing characters are always single-width
830 } 880 }
831 } 881 }
832 882
833 if (screen.flags & Screen_Insert) 883 if (expect_false (screen.flags & Screen_Insert))
834 scr_insdel_chars (width, INSERT); 884 scr_insdel_chars (width, INSERT);
835 885
836 if (width != 0) 886 if (width != 0)
837 { 887 {
838#if !UNICODE_3 888#if !UNICODE_3
… …
844 c = 0xfffd; 894 c = 0xfffd;
845# endif 895# endif
846#endif 896#endif
847 897
848 // nuke the character at this position, if required 898 // nuke the character at this position, if required
899 if (expect_false (
849 if (line->t[screen.cur.col] == NOCHAR 900 line->t[screen.cur.col] == NOCHAR
850 || (screen.cur.col < ncol - 1 901 || (screen.cur.col < ncol - 1
851 && line->t[screen.cur.col + 1] == NOCHAR)) 902 && line->t[screen.cur.col + 1] == NOCHAR)
852 { 903 ))
853 int col = screen.cur.col; 904 scr_kill_char (*line, screen.cur.col);
854
855 // find begin
856 while (col > 0 && line->t[col] == NOCHAR)
857 col--;
858
859 rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
860
861 // found begin, nuke
862 do {
863 line->t[col] = ' ';
864 line->r[col] = rend;
865 col++;
866 } while (col < ncol && line->t[col] == NOCHAR);
867 }
868 905
869 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 906 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
870 907
871 // if the character doesn't fit into the remaining columns... 908 // if the character doesn't fit into the remaining columns...
872 if (screen.cur.col > last_col - width && last_col >= width) 909 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
873 { 910 {
874 // ...output spaces 911 // ...output spaces
875 c = ' '; 912 c = ' ';
876 // and try the same character next loop iteration 913 // and try the same character next loop iteration
877 --str; 914 --str;
878 } 915 }
879 916
917 line->touch ();
918
880 do 919 do
881 { 920 {
882 line->t[screen.cur.col] = c; 921 line->t[screen.cur.col] = c;
883 line->r[screen.cur.col] = rend; 922 line->r[screen.cur.col] = rend;
884 923
885 if (screen.cur.col < last_col - 1) 924 if (expect_true (screen.cur.col < ncol - 1))
886 screen.cur.col++; 925 screen.cur.col++;
887 else 926 else
888 { 927 {
889 line->l = last_col; 928 line->l = ncol;
890 if (screen.flags & Screen_Autowrap) 929 if (screen.flags & Screen_Autowrap)
891 screen.flags |= Screen_WrapNext; 930 screen.flags |= Screen_WrapNext;
892 break; 931 break;
893 } 932 }
894 933
895 c = NOCHAR; 934 c = NOCHAR;
896 } 935 }
897 while (--width > 0); 936 while (expect_false (--width > 0));
898 937
899 // pad with spaces when overwriting wide character with smaller one 938 // pad with spaces when overwriting wide character with smaller one
900 if (!width) 939 if (expect_false (!width))
940 {
941 line->touch ();
942
901 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 943 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
902 { 944 {
903 line->t[c] = ' '; 945 line->t[c] = ' ';
904 line->r[c] = rend; 946 line->r[c] = rend;
905 } 947 }
906 } 948 }
949 }
950#if ENABLE_COMBINING
907 else // width == 0 951 else // width == 0
908 { 952 {
909#if ENABLE_COMBINING 953 if (c != 0xfeff) // ignore BOM
910 // handle combining characters
911 // we just tag the accent on the previous on-screen character.
912 // this is arguably not correct, but also arguably not wrong.
913 // we don't handle double-width characters nicely yet.
914 text_t *tp;
915 rend_t *rp;
916
917 if (screen.cur.col > 0)
918 { 954 {
955 // handle combining characters
956 // we just tag the accent on the previous on-screen character.
957 // this is arguably not correct, but also arguably not wrong.
958 // we don't handle double-width characters nicely yet.
959 line_t *linep;
960 text_t *tp;
961 rend_t *rp;
962
963 if (screen.cur.col > 0)
964 {
965 linep = line;
919 tp = line->t + screen.cur.col - 1; 966 tp = line->t + screen.cur.col - 1;
920 rp = line->r + screen.cur.col - 1; 967 rp = line->r + screen.cur.col - 1;
968 }
969 else if (screen.cur.row > 0
970 && ROW(screen.cur.row - 1).is_longer ())
971 {
972 linep = &ROW(screen.cur.row - 1);
973 tp = line->t + ncol - 1;
974 rp = line->r + ncol - 1;
975 }
976 else
977 continue;
921 978
979 linep->touch ();
980
922 while (*tp == NOCHAR && tp > line->t) 981 while (*tp == NOCHAR && tp > linep->t)
923 tp--, rp--; 982 tp--, rp--;
983
984 // first try to find a precomposed character
985 unicode_t n = rxvt_compose (*tp, c);
986 if (n == NOCHAR)
987 n = rxvt_composite.compose (*tp, c);
988
989 *tp = n;
990 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
924 } 991 }
925 else if (screen.cur.row > 0
926 && ROW(screen.cur.row - 1).is_longer ())
927 {
928 line_t *line = &ROW(screen.cur.row - 1);
929
930 tp = line->t + last_col - 1;
931 rp = line->r + last_col - 1;
932
933 while (*tp == NOCHAR && tp > line->t)
934 tp--, rp--;
935 } 992 }
936 else
937 continue;
938
939 // first try to find a precomposed character
940 unicode_t n = rxvt_compose (*tp, c);
941 if (n == NOCHAR)
942 n = rxvt_composite.compose (*tp, c);
943
944 *tp = n;
945 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
946#endif 993#endif
947 }
948 } 994 }
949 995
950 if (!line->is_longer ()) /* XXX: think about this */
951 max_it (line->l, screen.cur.col); 996 max_it (line->l, screen.cur.col);
952 997
953#ifdef DEBUG_STRICT 998#ifdef DEBUG_STRICT
954 assert (screen.cur.row >= 0); 999 assert (screen.cur.row >= 0);
955#endif 1000#endif
956} 1001}
… …
959/* 1004/*
960 * Process Backspace. Move back the cursor back a position, wrap if have to 1005 * Process Backspace. Move back the cursor back a position, wrap if have to
961 * XTERM_SEQ: CTRL-H 1006 * XTERM_SEQ: CTRL-H
962 */ 1007 */
963void 1008void
964rxvt_term::scr_backspace () 1009rxvt_term::scr_backspace () NOTHROW
965{ 1010{
966 want_refresh = 1;
967
968 if (screen.cur.col == 0) 1011 if (screen.cur.col == 0)
969 { 1012 {
970 if (screen.cur.row > 0) 1013 if (screen.cur.row > 0)
971 { 1014 {
972#ifdef TERMCAP_HAS_BW 1015#ifdef TERMCAP_HAS_BW
973 screen.cur.col = ncol - 1; 1016 screen.cur.col = ncol - 1;
974 screen.cur.row--; 1017 --screen.cur.row;
975 return; 1018
1019 want_refresh = 1;
976#endif 1020#endif
977 } 1021 }
978 } 1022 }
979 else if (!(screen.flags & Screen_WrapNext)) 1023 else
980 scr_gotorc (0, -1, RELATIVE); 1024 scr_gotorc (0, -1, RELATIVE);
981
982 screen.flags &= ~Screen_WrapNext;
983} 1025}
984 1026
985/* ------------------------------------------------------------------------- */ 1027/* ------------------------------------------------------------------------- */
986/* 1028/*
987 * Process Horizontal Tab 1029 * Process Horizontal Tab
988 * count: +ve = forward; -ve = backwards 1030 * count: +ve = forward; -ve = backwards
989 * XTERM_SEQ: CTRL-I 1031 * XTERM_SEQ: CTRL-I
990 */ 1032 */
991void 1033void
992rxvt_term::scr_tab (int count, bool ht) 1034rxvt_term::scr_tab (int count, bool ht) NOTHROW
993{ 1035{
994 int i, x; 1036 int i, x;
995 1037
996 want_refresh = 1; 1038 want_refresh = 1;
997 i = x = screen.cur.col; 1039 i = x = screen.cur.col;
… …
1006 1048
1007 for (; ++i < ncol; ) 1049 for (; ++i < ncol; )
1008 if (tabs[i]) 1050 if (tabs[i])
1009 { 1051 {
1010 x = i; 1052 x = i;
1053
1011 if (!--count) 1054 if (!--count)
1012 break; 1055 break;
1013 } 1056 }
1014 else 1057 else
1015 ht &= l.t[i] == ' ' 1058 ht &= l.t[i] == ' '
1016 && RS_SAME (l.r[i], base_rend); 1059 && RS_SAME (l.r[i], base_rend);
1017 1060
1018 if (count) 1061 if (count)
1019 x = ncol - 1; 1062 x = ncol - 1;
1020 1063
1021 // store horizontal tab commands as characters inside the text 1064 // store horizontal tab commands as characters inside the text
1022 // buffer so they can be selected and pasted. 1065 // buffer so they can be selected and pasted.
1023 if (ht && options & Opt_pastableTabs) 1066 if (ht && option (Opt_pastableTabs))
1024 { 1067 {
1025 base_rend = SET_FONT (base_rend, 0); 1068 base_rend = SET_FONT (base_rend, 0);
1026 1069
1027 if (!l.is_longer ()) /* XXX: think about this */ 1070 l.touch (x);
1028 max_it (l.l, x);
1029 1071
1030 i = screen.cur.col; 1072 i = screen.cur.col;
1031 1073
1032 l.t[i] = '\t'; 1074 l.t[i] = '\t';
1033 l.r[i] = base_rend; 1075 l.r[i] = base_rend;
… …
1062 * Process DEC Back Index 1104 * Process DEC Back Index
1063 * XTERM_SEQ: ESC 6 1105 * XTERM_SEQ: ESC 6
1064 * Move cursor left in row. If we're at the left boundary, shift everything 1106 * Move cursor left in row. If we're at the left boundary, shift everything
1065 * in that row right. Clear left column. 1107 * in that row right. Clear left column.
1066 */ 1108 */
1067#if ENABLE_FRILLS 1109#if !ENABLE_MINIMAL
1068void 1110void
1069rxvt_term::scr_backindex () 1111rxvt_term::scr_backindex () NOTHROW
1070{ 1112{
1071 if (screen.cur.col > 0) 1113 if (screen.cur.col > 0)
1072 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1114 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1073 else 1115 else
1074 scr_insdel_chars (1, INSERT); 1116 scr_insdel_chars (1, INSERT);
… …
1079 * Process DEC Forward Index 1121 * Process DEC Forward Index
1080 * XTERM_SEQ: ESC 9 1122 * XTERM_SEQ: ESC 9
1081 * Move cursor right in row. If we're at the right boundary, shift everything 1123 * Move cursor right in row. If we're at the right boundary, shift everything
1082 * in that row left. Clear right column. 1124 * in that row left. Clear right column.
1083 */ 1125 */
1084#if ENABLE_FRILLS 1126#if !ENABLE_MINIMAL
1085void 1127void
1086rxvt_term::scr_forwardindex () 1128rxvt_term::scr_forwardindex () NOTHROW
1087{ 1129{
1088 if (screen.cur.col < ncol - 1) 1130 if (screen.cur.col < ncol - 1)
1089 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1131 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1090 else 1132 else
1091 { 1133 {
1092 if (ROW(screen.cur.row).is_longer ()) //TODO//FIXME//LEN 1134 line_t &l = ROW(screen.cur.row);
1093 ROW(screen.cur.row).l = ncol; 1135
1136 l.touch ();
1137 l.is_longer (0);
1094 1138
1095 scr_gotorc (0, 0, R_RELATIVE); 1139 scr_gotorc (0, 0, R_RELATIVE);
1096 scr_insdel_chars (1, DELETE); 1140 scr_insdel_chars (1, DELETE);
1097 scr_gotorc (0, ncol - 1, R_RELATIVE); 1141 scr_gotorc (0, ncol - 1, R_RELATIVE);
1098 } 1142 }
… …
1102/* ------------------------------------------------------------------------- */ 1146/* ------------------------------------------------------------------------- */
1103/* 1147/*
1104 * Goto Row/Column 1148 * Goto Row/Column
1105 */ 1149 */
1106void 1150void
1107rxvt_term::scr_gotorc (int row, int col, int relative) 1151rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1108{ 1152{
1109 want_refresh = 1; 1153 want_refresh = 1;
1110 ZERO_SCROLLBACK (); 1154 ZERO_SCROLLBACK ();
1111 1155
1112 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1156 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
… …
1134 } 1178 }
1135 } 1179 }
1136 else 1180 else
1137 { 1181 {
1138 if (screen.flags & Screen_Relative) 1182 if (screen.flags & Screen_Relative)
1183 {
1139 { /* relative origin mode */ 1184 /* relative origin mode */
1140 screen.cur.row = row + screen.tscroll; 1185 screen.cur.row = row + screen.tscroll;
1141 min_it (screen.cur.row, screen.bscroll); 1186 min_it (screen.cur.row, screen.bscroll);
1142 } 1187 }
1143 else 1188 else
1144 screen.cur.row = row; 1189 screen.cur.row = row;
… …
1150/* ------------------------------------------------------------------------- */ 1195/* ------------------------------------------------------------------------- */
1151/* 1196/*
1152 * direction should be UP or DN 1197 * direction should be UP or DN
1153 */ 1198 */
1154void 1199void
1155rxvt_term::scr_index (enum page_dirn direction) 1200rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1156{ 1201{
1157 int dirn; 1202 int dirn;
1158 1203
1159 want_refresh = 1; 1204 want_refresh = 1;
1160 ZERO_SCROLLBACK (); 1205 ZERO_SCROLLBACK ();
… …
1177/* 1222/*
1178 * Erase part or whole of a line 1223 * Erase part or whole of a line
1179 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1224 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1180 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1225 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1181 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1226 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1227 * extension: clear to right unless wrapped: ESC [ 3 K
1182 */ 1228 */
1183void 1229void
1184rxvt_term::scr_erase_line (int mode) 1230rxvt_term::scr_erase_line (int mode) NOTHROW
1185{ 1231{
1186 unsigned int col, num; 1232 unsigned int col, num;
1187 1233
1188 want_refresh = 1; 1234 want_refresh = 1;
1189 ZERO_SCROLLBACK (); 1235 ZERO_SCROLLBACK ();
1190 1236
1191 selection_check (1); 1237 selection_check (1);
1192 1238
1193 line_t &line = ROW(screen.cur.row); 1239 line_t &line = ROW(screen.cur.row);
1194 1240
1241 line.touch ();
1242 line.is_longer (0);
1243
1195 switch (mode) 1244 switch (mode)
1196 { 1245 {
1246 case 3:
1247 if (screen.flags & Screen_WrapNext)
1248 return;
1249
1250 /* fall through */
1251
1197 case 0: /* erase to end of line */ 1252 case 0: /* erase to end of line */
1198 col = screen.cur.col; 1253 col = screen.cur.col;
1199 num = ncol - col; 1254 num = ncol - col;
1200 min_it (line.l, col); 1255 min_it (line.l, col);
1256
1201 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1257 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1202 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1258 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1203 CLEAR_SELECTION (); 1259 CLEAR_SELECTION ();
1204 break; 1260 break;
1261
1205 case 1: /* erase to beginning of line */ 1262 case 1: /* erase to beginning of line */
1206 col = 0; 1263 col = 0;
1207 num = screen.cur.col + 1; 1264 num = screen.cur.col + 1;
1265
1208 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) 1266 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1209 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) 1267 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1210 CLEAR_SELECTION (); 1268 CLEAR_SELECTION ();
1211 break; 1269 break;
1270
1212 case 2: /* erase whole line */ 1271 case 2: /* erase whole line */
1213 col = 0; 1272 col = 0;
1214 num = ncol; 1273 num = ncol;
1215 line.l = 0; 1274 line.l = 0;
1216 if (selection.beg.row <= screen.cur.row 1275 if (selection.beg.row <= screen.cur.row
… …
1230 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1289 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1231 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1290 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1232 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1291 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1233 */ 1292 */
1234void 1293void
1235rxvt_term::scr_erase_screen (int mode) 1294rxvt_term::scr_erase_screen (int mode) NOTHROW
1236{ 1295{
1237 int num; 1296 int num;
1238 int32_t row; 1297 int32_t row;
1239 rend_t ren; 1298 rend_t ren;
1240 XGCValues gcvalue; 1299 XGCValues gcvalue;
… …
1274 if (row >= nrow) /* Out Of Bounds */ 1333 if (row >= nrow) /* Out Of Bounds */
1275 return; 1334 return;
1276 1335
1277 min_it (num, nrow - row); 1336 min_it (num, nrow - row);
1278 1337
1338 /*TODO: the xlceararea/xfillrectangle below don't take scroll offste into account, ask mikachu for details */
1279 if (rstyle & (RS_RVid | RS_Uline)) 1339 if (rstyle & (RS_RVid | RS_Uline))
1280 ren = (rend_t) ~RS_None; 1340 ren = (rend_t) ~RS_None;
1281 else if (GET_BASEBG (rstyle) == Color_bg) 1341 else if (GET_BASEBG (rstyle) == Color_bg)
1282 { 1342 {
1283 ren = DEFAULT_RSTYLE; 1343 ren = DEFAULT_RSTYLE;
1284 CLEAR_ROWS (row, num); 1344
1345 if (mapped)
1346 XClearArea (dpy, vt, 0,
1347 Row2Pixel (row), (unsigned int)width,
1348 (unsigned int)Height2Pixel (num), False);
1285 } 1349 }
1286 else 1350 else
1287 { 1351 {
1288 ren = rstyle & (RS_fgMask | RS_bgMask); 1352 ren = rstyle & (RS_fgMask | RS_bgMask);
1353
1289 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)]; 1354 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1290 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1355 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1291 ERASE_ROWS (row, num); 1356 XFillRectangle (dpy, vt, gc,
1357 0, Row2Pixel (row),
1358 (unsigned int)width,
1359 (unsigned int)Height2Pixel (num));
1292 gcvalue.foreground = pix_colors[Color_fg]; 1360 gcvalue.foreground = pix_colors[Color_fg];
1293 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1361 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1294 } 1362 }
1295 1363
1296 for (; num--; row++) 1364 for (; num--; row++)
1297 { 1365 {
1298 ROW (row).l = 0;
1299 scr_blank_screen_mem (ROW (row), rstyle); 1366 scr_blank_screen_mem (ROW(row), rstyle);
1300 scr_blank_line (drawn_buf [row], 0, ncol, ren); 1367 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1301 } 1368 }
1302} 1369}
1303 1370
1304#if ENABLE_FRILLS 1371#if !ENABLE_MINIMAL
1305void 1372void
1306rxvt_term::scr_erase_savelines () 1373rxvt_term::scr_erase_savelines () NOTHROW
1307{ 1374{
1308 want_refresh = 1; 1375 want_refresh = 1;
1309 ZERO_SCROLLBACK (); 1376 ZERO_SCROLLBACK ();
1310 1377
1311 nsaved = 0; 1378 top_row = 0;
1312} 1379}
1313#endif 1380#endif
1314 1381
1315/* ------------------------------------------------------------------------- */ 1382/* ------------------------------------------------------------------------- */
1316/* 1383/*
1317 * Fill the screen with `E's 1384 * Fill the screen with `E's
1318 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1385 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1319 */ 1386 */
1320void 1387void
1321rxvt_term::scr_E () 1388rxvt_term::scr_E () NOTHROW
1322{ 1389{
1323 rend_t fs; 1390 rend_t fs;
1324 1391
1325 want_refresh = 1; 1392 want_refresh = 1;
1326 ZERO_SCROLLBACK (); 1393 ZERO_SCROLLBACK ();
… …
1337 rend_t *r1 = line.r; 1404 rend_t *r1 = line.r;
1338 1405
1339 for (int j = ncol; j--; ) 1406 for (int j = ncol; j--; )
1340 *r1++ = fs; 1407 *r1++ = fs;
1341 1408
1342 line.l = ncol; /* make the `E's selectable */ 1409 line.is_longer (0);
1410 line.touch (ncol);
1343 } 1411 }
1344} 1412}
1345 1413
1346/* ------------------------------------------------------------------------- */ 1414/* ------------------------------------------------------------------------- */
1347/* 1415/*
1348 * Insert/Delete <count> lines 1416 * Insert/Delete <count> lines
1349 */ 1417 */
1350void 1418void
1351rxvt_term::scr_insdel_lines (int count, int insdel) 1419rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1352{ 1420{
1353 int end; 1421 int end;
1354 1422
1355 ZERO_SCROLLBACK (); 1423 ZERO_SCROLLBACK ();
1356 1424
… …
1376/* ------------------------------------------------------------------------- */ 1444/* ------------------------------------------------------------------------- */
1377/* 1445/*
1378 * Insert/Delete <count> characters from the current position 1446 * Insert/Delete <count> characters from the current position
1379 */ 1447 */
1380void 1448void
1381rxvt_term::scr_insdel_chars (int count, int insdel) 1449rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1382{ 1450{
1383 int col, row; 1451 int col, row;
1384 rend_t tr; 1452 rend_t tr;
1385 1453
1386 want_refresh = 1; 1454 want_refresh = 1;
… …
1395 min_it (count, ncol - screen.cur.col); 1463 min_it (count, ncol - screen.cur.col);
1396 1464
1397 row = screen.cur.row; 1465 row = screen.cur.row;
1398 1466
1399 line_t *line = &ROW(row); 1467 line_t *line = &ROW(row);
1468
1469 line->touch ();
1470 line->is_longer (0);
1400 1471
1401 switch (insdel) 1472 switch (insdel)
1402 { 1473 {
1403 case INSERT: 1474 case INSERT:
1404 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1475 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1405 { 1476 {
1406 line->t[col] = line->t[col - count]; 1477 line->t[col] = line->t[col - count];
1407 line->r[col] = line->r[col - count]; 1478 line->r[col] = line->r[col - count];
1408 } 1479 }
1409 1480
1410 if (!line->is_longer ()) 1481 line->l = min (line->l + count, ncol);
1411 {
1412 line->l += count;
1413 min_it (line->l, ncol);
1414 }
1415 1482
1416 if (selection.op && current_screen == selection.screen 1483 if (selection.op && current_screen == selection.screen
1417 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1484 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1418 { 1485 {
1419 if (selection.end.row != screen.cur.row 1486 if (selection.end.row != screen.cur.row
1420 || (selection.end.col + count >= ncol)) 1487 || (selection.end.col + count >= ncol))
1421 CLEAR_SELECTION (); 1488 CLEAR_SELECTION ();
1422 else 1489 else
1490 {
1423 { /* shift selection */ 1491 /* shift selection */
1424 selection.beg.col += count; 1492 selection.beg.col += count;
1425 selection.mark.col += count; /* XXX: yes? */ 1493 selection.mark.col += count; /* XXX: yes? */
1426 selection.end.col += count; 1494 selection.end.col += count;
1427 } 1495 }
1428 } 1496 }
… …
1432 1500
1433 case ERASE: 1501 case ERASE:
1434 screen.cur.col += count; /* don't worry if > ncol */ 1502 screen.cur.col += count; /* don't worry if > ncol */
1435 selection_check (1); 1503 selection_check (1);
1436 screen.cur.col -= count; 1504 screen.cur.col -= count;
1505
1437 scr_blank_line (*line, screen.cur.col, count, rstyle); 1506 scr_blank_line (*line, screen.cur.col, count, rstyle);
1438 break; 1507 break;
1439 1508
1440 case DELETE: 1509 case DELETE:
1441 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1510 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
… …
1444 { 1513 {
1445 line->t[col] = line->t[col + count]; 1514 line->t[col] = line->t[col + count];
1446 line->r[col] = line->r[col + count]; 1515 line->r[col] = line->r[col + count];
1447 } 1516 }
1448 1517
1518 line->l = max (line->l - count, 0);
1449 scr_blank_line (*line, ncol - count, count, tr); 1519 scr_blank_line (*line, ncol - count, count, tr);
1450
1451 if (line->is_longer ()) /* break line continuation */
1452 line->l = ncol;
1453
1454 line->l = max (line->l - count, 0);
1455 1520
1456 if (selection.op && current_screen == selection.screen 1521 if (selection.op && current_screen == selection.screen
1457 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1522 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1458 { 1523 {
1459 if (selection.end.row != screen.cur.row 1524 if (selection.end.row != screen.cur.row
… …
1477/* 1542/*
1478 * Set the scrolling region 1543 * Set the scrolling region
1479 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1544 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1480 */ 1545 */
1481void 1546void
1482rxvt_term::scr_scroll_region (int top, int bot) 1547rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1483{ 1548{
1484 max_it (top, 0); 1549 max_it (top, 0);
1485 min_it (bot, nrow - 1); 1550 min_it (bot, nrow - 1);
1486 1551
1487 if (top > bot) 1552 if (top > bot)
… …
1497 * Make the cursor visible/invisible 1562 * Make the cursor visible/invisible
1498 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1563 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1499 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1564 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1500 */ 1565 */
1501void 1566void
1502rxvt_term::scr_cursor_visible (int mode) 1567rxvt_term::scr_cursor_visible (int mode) NOTHROW
1503{ 1568{
1504 want_refresh = 1; 1569 want_refresh = 1;
1505 1570
1506 if (mode) 1571 if (mode)
1507 screen.flags |= Screen_VisibleCursor; 1572 screen.flags |= Screen_VisibleCursor;
… …
1514 * Set/unset automatic wrapping 1579 * Set/unset automatic wrapping
1515 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1580 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1516 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1581 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1517 */ 1582 */
1518void 1583void
1519rxvt_term::scr_autowrap (int mode) 1584rxvt_term::scr_autowrap (int mode) NOTHROW
1520{ 1585{
1521 if (mode) 1586 if (mode)
1522 screen.flags |= Screen_Autowrap; 1587 screen.flags |= Screen_Autowrap;
1523 else 1588 else
1524 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1589 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1533 * and the cursor cannot be moved outside. 1598 * and the cursor cannot be moved outside.
1534 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1599 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1535 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1600 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1536 */ 1601 */
1537void 1602void
1538rxvt_term::scr_relative_origin (int mode) 1603rxvt_term::scr_relative_origin (int mode) NOTHROW
1539{ 1604{
1540 if (mode) 1605 if (mode)
1541 screen.flags |= Screen_Relative; 1606 screen.flags |= Screen_Relative;
1542 else 1607 else
1543 screen.flags &= ~Screen_Relative; 1608 screen.flags &= ~Screen_Relative;
… …
1550 * Set insert/replace mode 1615 * Set insert/replace mode
1551 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1616 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1552 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1617 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1553 */ 1618 */
1554void 1619void
1555rxvt_term::scr_insert_mode (int mode) 1620rxvt_term::scr_insert_mode (int mode) NOTHROW
1556{ 1621{
1557 if (mode) 1622 if (mode)
1558 screen.flags |= Screen_Insert; 1623 screen.flags |= Screen_Insert;
1559 else 1624 else
1560 screen.flags &= ~Screen_Insert; 1625 screen.flags &= ~Screen_Insert;
… …
1566 * XTERM_SEQ: Set tab at current column : ESC H 1631 * XTERM_SEQ: Set tab at current column : ESC H
1567 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1632 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1568 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1633 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1569 */ 1634 */
1570void 1635void
1571rxvt_term::scr_set_tab (int mode) 1636rxvt_term::scr_set_tab (int mode) NOTHROW
1572{ 1637{
1573 if (mode < 0) 1638 if (mode < 0)
1574 memset (tabs, 0, ncol * sizeof (char)); 1639 memset (tabs, 0, ncol);
1575 else if (screen.cur.col < ncol) 1640 else if (screen.cur.col < ncol)
1576 tabs[screen.cur.col] = (mode ? 1 : 0); 1641 tabs [screen.cur.col] = !!mode;
1577} 1642}
1578 1643
1579/* ------------------------------------------------------------------------- */ 1644/* ------------------------------------------------------------------------- */
1580/* 1645/*
1581 * Set reverse/normal video 1646 * Set reverse/normal video
1582 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1647 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1583 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1648 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1584 */ 1649 */
1585void 1650void
1586rxvt_term::scr_rvideo_mode (int mode) 1651rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1587{ 1652{
1588 XGCValues gcvalue; 1653 rvideo_mode = on;
1589 1654
1655#ifndef NO_BELL
1656 on ^= rvideo_bell;
1657#endif
1658
1590 if (rvideo != mode) 1659 if (rvideo_state != on)
1591 { 1660 {
1592 rvideo = mode; 1661 rvideo_state = on;
1662
1593 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1663 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1594#if XPM_BACKGROUND 1664#ifdef HAVE_BG_PIXMAP
1595 if (bgPixmap.pixmap == None) 1665 if (bgPixmap.pixmap == None)
1596#endif 1666#endif
1597#if TRANSPARENT 1667 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1598 if (! (options & Opt_transparent) || am_transparent == 0)
1599#endif
1600 XSetWindowBackground (display->display, vt,
1601 pix_colors[Color_bg]);
1602 1668
1669 XGCValues gcvalue;
1603 gcvalue.foreground = pix_colors[Color_fg]; 1670 gcvalue.foreground = pix_colors[Color_fg];
1604 gcvalue.background = pix_colors[Color_bg]; 1671 gcvalue.background = pix_colors[Color_bg];
1605 XChangeGC (display->display, gc, GCBackground | GCForeground, 1672 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1606 &gcvalue); 1673
1607 scr_clear (); 1674 scr_clear ();
1608 scr_touch (true); 1675 scr_touch (true);
1609 } 1676 }
1610} 1677}
1611 1678
… …
1613/* 1680/*
1614 * Report current cursor position 1681 * Report current cursor position
1615 * XTERM_SEQ: Report position: ESC [ 6 n 1682 * XTERM_SEQ: Report position: ESC [ 6 n
1616 */ 1683 */
1617void 1684void
1618rxvt_term::scr_report_position () 1685rxvt_term::scr_report_position () NOTHROW
1619{ 1686{
1620 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1687 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1621} 1688}
1622 1689
1623/* ------------------------------------------------------------------------- * 1690/* ------------------------------------------------------------------------- *
… …
1626 1693
1627/* 1694/*
1628 * Set font style 1695 * Set font style
1629 */ 1696 */
1630void 1697void
1631rxvt_term::set_font_style () 1698rxvt_term::set_font_style () NOTHROW
1632{ 1699{
1700#if 0
1633 switch (charsets[screen.charset]) 1701 switch (charsets [screen.charset])
1634 { 1702 {
1635 case '0': /* DEC Special Character & Line Drawing Set */ 1703 case '0': /* DEC Special Character & Line Drawing Set */
1636 break; 1704 break;
1637 case 'A': /* United Kingdom (UK) */ 1705 case 'A': /* United Kingdom (UK) */
1638 break; 1706 break;
… …
1645 case 'C': /* Finnish character set */ 1713 case 'C': /* Finnish character set */
1646 break; 1714 break;
1647 case 'K': /* German character set */ 1715 case 'K': /* German character set */
1648 break; 1716 break;
1649 } 1717 }
1718#endif
1650} 1719}
1651 1720
1652/* ------------------------------------------------------------------------- */ 1721/* ------------------------------------------------------------------------- */
1653/* 1722/*
1654 * Choose a font 1723 * Choose a font
… …
1656 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1725 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1657 * XTERM_SEQ: Invoke G2 character set: ESC N 1726 * XTERM_SEQ: Invoke G2 character set: ESC N
1658 * XTERM_SEQ: Invoke G3 character set: ESC O 1727 * XTERM_SEQ: Invoke G3 character set: ESC O
1659 */ 1728 */
1660void 1729void
1661rxvt_term::scr_charset_choose (int set) 1730rxvt_term::scr_charset_choose (int set) NOTHROW
1662{ 1731{
1663 screen.charset = set; 1732 screen.charset = set;
1664 set_font_style (); 1733 set_font_style ();
1665} 1734}
1666 1735
… …
1672 * XTERM_SEQ: Set G2 character set: ESC * <C> 1741 * XTERM_SEQ: Set G2 character set: ESC * <C>
1673 * XTERM_SEQ: Set G3 character set: ESC + <C> 1742 * XTERM_SEQ: Set G3 character set: ESC + <C>
1674 * See set_font_style for possible values for <C> 1743 * See set_font_style for possible values for <C>
1675 */ 1744 */
1676void 1745void
1677rxvt_term::scr_charset_set (int set, unsigned int ch) 1746rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1678{ 1747{
1679 charsets[set] = (unsigned char)ch; 1748 charsets[set] = (unsigned char)ch;
1680 set_font_style (); 1749 set_font_style ();
1681} 1750}
1682 1751
… …
1687 1756
1688/* 1757/*
1689 * refresh matching text. 1758 * refresh matching text.
1690 */ 1759 */
1691bool 1760bool
1692rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1761rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1693{ 1762{
1694 bool found = false; 1763 bool found = false;
1695 1764
1696 for (int i = 0; i < nrow; i++) 1765 for (int i = 0; i < nrow; i++)
1697 { 1766 {
1698 int col = 0;
1699 rend_t *drp = drawn_buf[i].r; 1767 rend_t *drp = drawn_buf[i].r;
1700 1768
1701 for (; col < ncol; col++, drp++) 1769 for (int col = 0; col < ncol; col++, drp++)
1702 if ((*drp & mask) == value) 1770 if ((*drp & mask) == value)
1703 { 1771 {
1704 found = true; 1772 found = true;
1705 *drp = ~value; 1773 *drp = ~value;
1706 } 1774 }
… …
1717 PART_END, 1785 PART_END,
1718 RC_COUNT 1786 RC_COUNT
1719}; 1787};
1720 1788
1721void 1789void
1722rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1790rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1723{ 1791{
1724 int i; 1792 int i;
1725 row_col_t rc[RC_COUNT]; 1793 row_col_t rc[RC_COUNT];
1726 1794
1727 if (!drawn_buf) /* sanity check */ 1795 if (!drawn_buf) /* sanity check */
… …
1746 for (i = PART_BEG; i < RC_COUNT; i++) 1814 for (i = PART_BEG; i < RC_COUNT; i++)
1747 { 1815 {
1748 min_it (rc[i].col, ncol - 1); 1816 min_it (rc[i].col, ncol - 1);
1749 min_it (rc[i].row, nrow - 1); 1817 min_it (rc[i].row, nrow - 1);
1750 } 1818 }
1751 1819// TODO: this line somehow causes segfault if scr_expose() is called just after resize
1752 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1820 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1753 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1821 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1754 1822
1823 num_scr_allow = 0;
1824
1755 if (refresh) 1825 if (refresh)
1756 scr_refresh (SLOW_REFRESH); 1826 scr_refresh ();
1757} 1827}
1758 1828
1759/* ------------------------------------------------------------------------- */ 1829/* ------------------------------------------------------------------------- */
1760/* 1830/*
1761 * Refresh the entire screen 1831 * Refresh the entire screen
1762 */ 1832 */
1763void 1833void
1764rxvt_term::scr_touch (bool refresh) 1834rxvt_term::scr_touch (bool refresh) NOTHROW
1765{ 1835{
1766 scr_expose (0, 0, width, height, refresh); 1836 scr_expose (0, 0, width, height, refresh);
1767} 1837}
1768 1838
1769/* ------------------------------------------------------------------------- */ 1839/* ------------------------------------------------------------------------- */
1770/* 1840/*
1771 * Move the display so that the line represented by scrollbar value Y is at 1841 * Move the display so that the line represented by scrollbar value Y is at
1772 * the top of the screen 1842 * the top of the screen
1773 */ 1843 */
1774int 1844void
1775rxvt_term::scr_move_to (int y, int len) 1845rxvt_term::scr_move_to (int y, int len) NOTHROW
1776{ 1846{
1777 long p = 0; 1847 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1778 unsigned int oldviewstart;
1779
1780 oldviewstart = view_start;
1781
1782 if (y < len)
1783 {
1784 p = (nrow + nsaved) * (len - y) / len;
1785 p -= (long) (nrow - 1);
1786 p = max (p, 0);
1787 }
1788
1789 view_start = (unsigned int)min (p, nsaved);
1790
1791 return scr_changeview (oldviewstart);
1792} 1848}
1793 1849
1794/* ------------------------------------------------------------------------- */ 1850/* ------------------------------------------------------------------------- */
1795/* 1851/*
1796 * Page the screen up/down nlines 1852 * Page the screen up/down nlines
1797 * direction should be UP or DN 1853 * direction should be UP or DN
1798 */ 1854 */
1799int 1855bool
1800rxvt_term::scr_page (enum page_dirn direction, int nlines) 1856rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1801{ 1857{
1802 int n; 1858 int new_view_start =
1803 unsigned int oldviewstart;
1804
1805 oldviewstart = view_start;
1806
1807 if (direction == UP)
1808 {
1809 n = view_start + nlines;
1810 view_start = min (n, nsaved);
1811 }
1812 else
1813 {
1814 n = view_start - nlines; 1859 direction == UP ? view_start - nlines
1815 view_start = max (n, 0); 1860 : view_start + nlines;
1816 }
1817 1861
1818 return scr_changeview (oldviewstart); 1862 return scr_changeview (new_view_start);
1819} 1863}
1820 1864
1821int 1865bool
1822rxvt_term::scr_changeview (unsigned int oldviewstart) 1866rxvt_term::scr_changeview (int new_view_start) NOTHROW
1823{ 1867{
1868 clamp_it (new_view_start, top_row, 0);
1869
1824 if (view_start != oldviewstart) 1870 if (new_view_start == view_start)
1825 { 1871 return false;
1872
1873 num_scr += new_view_start - view_start;
1874 view_start = new_view_start;
1826 want_refresh = 1; 1875 want_refresh = 1;
1827 num_scr -= (view_start - oldviewstart);
1828 }
1829 1876
1830 return (int) (view_start - oldviewstart); 1877 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1831}
1832 1878
1833/* ------------------------------------------------------------------------- */ 1879 return true;
1880}
1881
1882#ifndef NO_BELL
1834void 1883void
1884rxvt_term::bell_cb (ev::timer &w, int revents)
1885{
1886 rvideo_bell = false;
1887 scr_rvideo_mode (rvideo_mode);
1888 refresh_check ();
1889}
1890#endif
1891
1892/* ------------------------------------------------------------------------- */
1893void
1835rxvt_term::scr_bell () 1894rxvt_term::scr_bell () NOTHROW
1836{ 1895{
1837#ifndef NO_BELL 1896#ifndef NO_BELL
1838 1897
1839# ifndef NO_MAPALERT 1898# ifndef NO_MAPALERT
1840# ifdef MAPALERT_OPTION 1899# ifdef MAPALERT_OPTION
1841 if (options & Opt_mapAlert) 1900 if (option (Opt_mapAlert))
1842# endif 1901# endif
1843 XMapWindow (display->display, parent[0]); 1902 XMapWindow (dpy, parent[0]);
1844# endif 1903# endif
1845 1904
1905# if ENABLE_FRILLS
1906 if (option (Opt_urgentOnBell))
1907 set_urgency (1);
1908# endif
1909
1846 if (options & Opt_visualBell) 1910 if (option (Opt_visualBell))
1847 { 1911 {
1848 scr_rvideo_mode (!rvideo); /* refresh also done */ 1912 rvideo_bell = true;
1913 scr_rvideo_mode (rvideo_mode);
1914 flush ();
1915
1849 rxvt_usleep (VISUAL_BELL_DURATION); 1916 bell_ev.start (VISUAL_BELL_DURATION);
1850 scr_rvideo_mode (!rvideo); /* refresh also done */
1851 } 1917 }
1852 else 1918 else
1853 XBell (display->display, 0); 1919 XBell (dpy, 0);
1854
1855#endif 1920#endif
1856} 1921}
1857 1922
1858/* ------------------------------------------------------------------------- */ 1923/* ------------------------------------------------------------------------- */
1859/* ARGSUSED */ 1924/* ARGSUSED */
1860void 1925void
1861rxvt_term::scr_printscreen (int fullhist) 1926rxvt_term::scr_printscreen (int fullhist) NOTHROW
1862{ 1927{
1863#ifdef PRINTPIPE 1928#ifdef PRINTPIPE
1864 int nrows, row_start; 1929 int nrows, row_start;
1865 FILE *fd; 1930 FILE *fd = popen_printer ();
1866 1931
1867 if ((fd = popen_printer ()) == NULL) 1932 if (!fd)
1868 return; 1933 return;
1869 1934
1870 if (fullhist) 1935 if (fullhist)
1871 { 1936 {
1872 nrows = nrow + nsaved; 1937 nrows = nrow - top_row;
1873 row_start = -nsaved; 1938 row_start = top_row;
1874 } 1939 }
1875 else 1940 else
1876 { 1941 {
1877 nrows = nrow; 1942 nrows = nrow;
1878 row_start = -view_start; 1943 row_start = view_start;
1879 } 1944 }
1880 1945
1881 wctomb (0, 0); 1946 wctomb (0, 0);
1882 1947
1883 for (int r1 = 0; r1 < nrows; r1++) 1948 for (int r1 = 0; r1 < nrows; r1++)
… …
1915 * Refresh the screen 1980 * Refresh the screen
1916 * drawn_text/drawn_rend contain the screen information before the update. 1981 * drawn_text/drawn_rend contain the screen information before the update.
1917 * screen.text/screen.rend contain what the screen will change to. 1982 * screen.text/screen.rend contain what the screen will change to.
1918 */ 1983 */
1919void 1984void
1920rxvt_term::scr_refresh (unsigned char refresh_type) 1985rxvt_term::scr_refresh () NOTHROW
1921{ 1986{
1922 unsigned char must_clear, /* use draw_string not draw_image_string */ 1987 unsigned char have_bg,
1923 showcursor; /* show the cursor */ 1988 showcursor; /* show the cursor */
1924 int16_t col, row, /* column/row we're processing */ 1989 int16_t col, row, /* column/row we're processing */
1925 ocrow; /* old cursor row */ 1990 ocrow; /* old cursor row */
1926 int i; /* tmp */ 1991 int i; /* tmp */
1927#ifndef NO_CURSORCOLOR 1992#ifndef NO_CURSORCOLOR
1928 rend_t cc1; /* store colours at cursor position (s) */ 1993 rend_t cc1; /* store colours at cursor position (s) */
1929#endif 1994#endif
1930 rend_t *crp; // cursor rendition pointer 1995 rend_t *crp; // cursor rendition pointer
1996 rend_t ccol1, /* Cursor colour */
1997 ccol2; /* Cursor colour2 */
1931 1998
1932 want_refresh = 0; /* screen is current */ 1999 want_refresh = 0; /* screen is current */
1933 2000
1934 if (refresh_type == NO_REFRESH || !mapped) 2001 if (refresh_type == NO_REFRESH || !mapped)
1935 return; 2002 return;
1936 2003
1937 /* 2004 /*
1938 * A: set up vars 2005 * A: set up vars
1939 */ 2006 */
1940 must_clear = 0;
1941 refresh_count = 0; 2007 refresh_count = 0;
1942 2008
1943#if XPM_BACKGROUND 2009 have_bg = 0;
2010#ifdef HAVE_BG_PIXMAP
1944 must_clear |= bgPixmap.pixmap != None; 2011 have_bg = bgPixmap.pixmap != None;
1945#endif
1946#if TRANSPARENT
1947 must_clear |= (options & Opt_transparent) && am_transparent;
1948#endif 2012#endif
1949 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2013 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1950 2014
1951 /* 2015 /*
1952 * B: reverse any characters which are selected 2016 * B: reverse any characters which are selected
… …
1956 /* 2020 /*
1957 * C: set the cursor character (s) 2021 * C: set the cursor character (s)
1958 */ 2022 */
1959 { 2023 {
1960 unsigned char setoldcursor; 2024 unsigned char setoldcursor;
1961 rend_t ccol1, /* Cursor colour */
1962 ccol2; /* Cursor colour2 */
1963 2025
1964 showcursor = (screen.flags & Screen_VisibleCursor); 2026 showcursor = (screen.flags & Screen_VisibleCursor);
1965#ifdef CURSOR_BLINK 2027#ifdef CURSOR_BLINK
1966 if (hidden_cursor) 2028 if (hidden_cursor)
1967 showcursor = 0; 2029 showcursor = 0;
… …
1974 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2036 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
1975 col--; 2037 col--;
1976 2038
1977 crp = &ROW(screen.cur.row).r[col]; 2039 crp = &ROW(screen.cur.row).r[col];
1978 2040
2041#ifndef NO_CURSORCOLOR
2042 cc1 = *crp & (RS_fgMask | RS_bgMask);
2043 if (ISSET_PIXCOLOR (Color_cursor))
2044 ccol1 = Color_cursor;
2045 else
2046#endif
2047#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2048 ccol1 = fgcolor_of (rstyle);
2049#else
2050 ccol1 = Color_fg;
2051#endif
2052
2053#ifndef NO_CURSORCOLOR
2054 if (ISSET_PIXCOLOR (Color_cursor2))
2055 ccol2 = Color_cursor2;
2056 else
2057#endif
2058#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2059 ccol2 = bgcolor_of (rstyle);
2060#else
2061 ccol2 = Color_bg;
2062#endif
2063
1979 if (showcursor && focus) 2064 if (showcursor && focus)
1980 { 2065 {
1981 if (options & Opt_cursorUnderline) 2066 if (option (Opt_cursorUnderline))
1982 *crp ^= RS_Uline; 2067 *crp ^= RS_Uline;
1983 else 2068 else
1984 { 2069 {
1985 *crp ^= RS_RVid; 2070 *crp ^= RS_RVid;
1986
1987#ifndef NO_CURSORCOLOR
1988 cc1 = *crp & (RS_fgMask | RS_bgMask);
1989 if (ISSET_PIXCOLOR (Color_cursor))
1990 ccol1 = Color_cursor;
1991 else
1992#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1993 ccol1 = fgcolor_of (rstyle);
1994#else
1995 ccol1 = Color_fg;
1996#endif
1997 if (ISSET_PIXCOLOR (Color_cursor2))
1998 ccol2 = Color_cursor2;
1999 else
2000#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2001 ccol2 = bgcolor_of (rstyle);
2002#else
2003 ccol2 = Color_bg;
2004#endif
2005 *crp = SET_FGCOLOR (*crp, ccol1); 2071 *crp = SET_FGCOLOR (*crp, ccol1);
2006 *crp = SET_BGCOLOR (*crp, ccol2); 2072 *crp = SET_BGCOLOR (*crp, ccol2);
2007#endif
2008 } 2073 }
2009 } 2074 }
2010 } 2075 }
2011 2076
2012 /* make sure no outline cursor is left around */ 2077 /* make sure no outline cursor is left around */
2013 setoldcursor = 0; 2078 setoldcursor = 0;
2014 if (ocrow != -1) 2079 if (ocrow != -1)
2015 { 2080 {
2016 if (screen.cur.row + view_start != ocrow 2081 if (screen.cur.row - view_start != ocrow
2017 || screen.cur.col != oldcursor.col) 2082 || screen.cur.col != oldcursor.col)
2018 { 2083 {
2019 if (ocrow < nrow 2084 if (ocrow < nrow
2020 && oldcursor.col < ncol) 2085 && oldcursor.col < ncol)
2021 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2086 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
… …
2029 else if (!focus) 2094 else if (!focus)
2030 setoldcursor = 1; 2095 setoldcursor = 1;
2031 2096
2032 if (setoldcursor) 2097 if (setoldcursor)
2033 { 2098 {
2034 if (screen.cur.row + view_start >= nrow) 2099 if (screen.cur.row - view_start >= nrow)
2035 oldcursor.row = -1; 2100 oldcursor.row = -1;
2036 else 2101 else
2037 { 2102 {
2038 oldcursor.row = screen.cur.row + view_start; 2103 oldcursor.row = screen.cur.row - view_start;
2039 oldcursor.col = screen.cur.col; 2104 oldcursor.col = screen.cur.col;
2040 } 2105 }
2041 } 2106 }
2042 } 2107 }
2043 2108
2109 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044#if ENABLE_OVERLAY 2110#if ENABLE_OVERLAY
2045 scr_swap_overlay (); 2111 scr_swap_overlay ();
2046#endif 2112#endif
2047 2113
2048#ifndef NO_SLOW_LINK_SUPPORT 2114#ifndef NO_SLOW_LINK_SUPPORT
2049 /* 2115 /*
2050 * D: CopyArea pass - very useful for slower links 2116 * D: CopyArea pass - very useful for slower links
2051 * This has been deliberately kept simple. 2117 * This has been deliberately kept simple.
2052 */ 2118 */
2053 i = num_scr;
2054 if (!display->is_local 2119 if (!display->is_local
2055 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr 2120 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2056 && abs (num_scr) < nrow && !must_clear) 2121 && abs (num_scr) < nrow && !have_bg)
2057 { 2122 {
2058 int16_t nits; 2123 int16_t nits;
2124 int i = num_scr;
2059 int j; 2125 int j;
2060 int len, wlen; 2126 int len, wlen;
2127 dLocal (int, num_scr);
2061 2128
2062 j = nrow; 2129 j = nrow;
2063 wlen = len = -1; 2130 wlen = len = -1;
2064 row = i > 0 ? 0 : j - 1; 2131 row = i > 0 ? 0 : j - 1;
2132
2065 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2133 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2066 { 2134 {
2067 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2135 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2068 { 2136 {
2069 line_t s = ROW(row - view_start); 2137 line_t s = ROW(view_start + row);
2070 line_t d = drawn_buf[row]; 2138 line_t d = drawn_buf[row];
2071 line_t d2 = drawn_buf[row + i]; 2139 line_t d2 = drawn_buf[row + i];
2072 2140
2073 for (nits = 0, col = ncol; col--; ) 2141 for (nits = 0, col = ncol; col--; )
2074 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2142 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
… …
2090 wlen = row; 2158 wlen = row;
2091 continue; 2159 continue;
2092 } 2160 }
2093 } 2161 }
2094 2162
2095 if (len != -1) 2163 if (len >= 0)
2096 { 2164 {
2097 /* also comes here at end if needed because of >= above */ 2165 /* also comes here at end if needed because of >= above */
2098 if (wlen < len) 2166 if (wlen < len)
2099 ::swap (wlen, len); 2167 ::swap (wlen, len);
2100 2168
2169 XGCValues gcv;
2170
2171 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2101 XCopyArea (display->display, vt, vt, 2172 XCopyArea (dpy, vt, vt,
2102 gc, 0, Row2Pixel (len + i), 2173 gc, 0, Row2Pixel (len + i),
2103 (unsigned int)TermWin_TotalWidth (), 2174 (unsigned int)this->width,
2104 (unsigned int)Height2Pixel (wlen - len + 1), 2175 (unsigned int)Height2Pixel (wlen - len + 1),
2105 0, Row2Pixel (len)); 2176 0, Row2Pixel (len));
2177 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2178
2106 len = -1; 2179 len = -1;
2107 } 2180 }
2108 } 2181 }
2109 } 2182 }
2110#endif 2183#endif
… …
2112 /* 2185 /*
2113 * E: main pass across every character 2186 * E: main pass across every character
2114 */ 2187 */
2115 for (row = 0; row < nrow; row++) 2188 for (row = 0; row < nrow; row++)
2116 { 2189 {
2117 text_t *stp = ROW(row - view_start).t; 2190 text_t *stp = ROW(view_start + row).t;
2118 rend_t *srp = ROW(row - view_start).r; 2191 rend_t *srp = ROW(view_start + row).r;
2119 text_t *dtp = drawn_buf[row].t; 2192 text_t *dtp = drawn_buf[row].t;
2120 rend_t *drp = drawn_buf[row].r; 2193 rend_t *drp = drawn_buf[row].r;
2121 2194
2122 /* 2195 /*
2123 * E2: OK, now the real pass 2196 * E2: OK, now the real pass
… …
2134 continue; 2207 continue;
2135 2208
2136 // redraw one or more characters 2209 // redraw one or more characters
2137 2210
2138 // seek to the beginning of wide characters 2211 // seek to the beginning of wide characters
2139 while (stp[col] == NOCHAR && col > 0) 2212 while (expect_false (stp[col] == NOCHAR && col > 0))
2140 --col; 2213 --col;
2141 2214
2142 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2215 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2143 text_t *text = stp + col; 2216 text_t *text = stp + col;
2144 int count = 1; 2217 int count = 1;
… …
2166 count++; 2239 count++;
2167 2240
2168 if (stp[col] != dtp[col] 2241 if (stp[col] != dtp[col]
2169 || !RS_SAME (srp[col], drp[col])) 2242 || !RS_SAME (srp[col], drp[col]))
2170 { 2243 {
2171 if (must_clear && (i++ > count / 2)) 2244 if (have_bg && (i++ > count / 2))
2172 break; 2245 break;
2173 2246
2174 dtp[col] = stp[col]; 2247 dtp[col] = stp[col];
2175 drp[col] = rend; 2248 drp[col] = rend;
2176 i = 0; 2249 i = 0;
2177 } 2250 }
2178 else if (must_clear || (stp[col] != ' ' && ++i >= 16)) 2251 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2179 break; 2252 break;
2180 } 2253 }
2181 2254
2182 col--; /* went one too far. move back */ 2255 col--; /* went one too far. move back */
2183 count -= i; /* dump any matching trailing chars */ 2256 count -= i; /* dump any matching trailing chars */
2184 2257
2185 // sometimes we optimize away the trailing NOCHAR's, add them back 2258 // sometimes we optimize away the trailing NOCHAR's, add them back
2186 while (i && text[count] == NOCHAR) 2259 while (expect_false (i && text[count] == NOCHAR))
2187 count++, i--; 2260 count++, i--;
2188 2261
2189 /* 2262 /*
2190 * Determine the attributes for the string 2263 * Determine the attributes for the string
2191 */ 2264 */
2192 int fore = fgcolor_of (rend); // desired foreground 2265 int fore = fgcolor_of (rend); // desired foreground
2193 int back = bgcolor_of (rend); // desired background 2266 int back = bgcolor_of (rend); // desired background
2194 2267
2195 // only do special processing if any attributes are set, which is unlikely 2268 // only do special processing if any attributes are set, which is unlikely
2196 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2269 if (expect_false (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)))
2197 { 2270 {
2198#if ENABLE_STYLES
2199 // force redraw after "careful" characters to avoid pixel droppings
2200 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
2201 drp[col + 1] = ~srp[col + 1];
2202
2203 // include previous careful character(s) if possible, looks nicer (best effort...)
2204 while (text > stp
2205 && srp[text - stp - 1] & RS_Careful
2206 && RS_SAME (rend, srp[text - stp - 1]))
2207 text--, count++, xpixel -= fwidth;
2208#endif
2209
2210 bool invert = rend & RS_RVid; 2271 bool invert = rend & RS_RVid;
2211 2272
2212#ifndef NO_BOLD_UNDERLINE_REVERSE 2273#ifndef NO_BOLD_UNDERLINE_REVERSE
2213 if (rend & RS_Bold
2214 && fore == Color_fg) 2274 if (rend & RS_Bold && fore == Color_fg)
2215 { 2275 {
2216 if (ISSET_PIXCOLOR (Color_BD)) 2276 if (ISSET_PIXCOLOR (Color_BD))
2217 fore = Color_BD; 2277 fore = Color_BD;
2218# if !ENABLE_STYLES 2278# if !ENABLE_STYLES
2219 else 2279 else
2220 invert = !invert; 2280 invert = !invert;
2221# endif 2281# endif
2222 } 2282 }
2223 2283
2224 if (rend & RS_Italic 2284 if (rend & RS_Italic && fore == Color_fg)
2225 && fore == Color_fg)
2226 { 2285 {
2227 if (ISSET_PIXCOLOR (Color_IT)) 2286 if (ISSET_PIXCOLOR (Color_IT))
2228 fore = Color_IT; 2287 fore = Color_IT;
2229# if !ENABLE_STYLES 2288# if !ENABLE_STYLES
2230 else 2289 else
2231 invert = !invert; 2290 invert = !invert;
2232# endif 2291# endif
2233 } 2292 }
2234 2293
2235 if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL)) 2294 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2236 fore = Color_UL; 2295 fore = Color_UL;
2237#endif 2296#endif
2238 2297
2239 if (invert) 2298 if (invert)
2240 { 2299 {
2300#ifdef OPTION_HC
2301 if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2302 || !ISSET_PIXCOLOR (Color_HC))
2303#endif
2304 /* invert the column if no highlightColor is set or it is the
2305 * current cursor column */
2241 ::swap (fore, back); 2306 ::swap (fore, back);
2307#ifdef OPTION_HC
2308 else if (ISSET_PIXCOLOR (Color_HC))
2309 back = Color_HC;
2310#endif
2242 2311
2243#ifndef NO_BOLD_UNDERLINE_REVERSE 2312#ifndef NO_BOLD_UNDERLINE_REVERSE
2313# ifndef OPTION_HC
2244 if (ISSET_PIXCOLOR (Color_RV)) 2314 if (ISSET_PIXCOLOR (Color_RV))
2245 back = Color_RV; 2315 back = Color_RV;
2246 2316# endif
2247 if (fore == back) 2317 if (fore == back)
2248 { 2318 {
2249 fore = Color_bg; 2319 fore = Color_bg;
2250 back = Color_fg; 2320 back = Color_fg;
2251 } 2321 }
… …
2253 } 2323 }
2254 2324
2255#ifdef TEXT_BLINK 2325#ifdef TEXT_BLINK
2256 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) 2326 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2257 { 2327 {
2258 if (!text_blink_ev.active) 2328 if (!text_blink_ev.is_active ())
2259 { 2329 {
2260 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); 2330 text_blink_ev.again ();
2261 hidden_text = 0; 2331 hidden_text = 0;
2262 } 2332 }
2263 else if (hidden_text) 2333 else if (hidden_text)
2264 fore = back; 2334 fore = back;
2265 } 2335 }
2266#endif 2336#endif
2337
2338#if ENABLE_STYLES
2339 // "careful" (too wide) character handling
2340
2341 // include previous careful character(s) if possible, looks nicer (best effort...)
2342 while (text > stp
2343 && srp[text - stp - 1] & RS_Careful
2344 && RS_SAME (rend, srp[text - stp - 1]))
2345 text--, count++, xpixel -= fwidth;
2346
2347 // force redraw after "careful" characters to avoid pixel droppings
2348 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2349 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2350
2351 // force redraw before "careful" characters to avoid pixel droppings
2352 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2353 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2354#endif
2267 } 2355 }
2268 2356
2269 /* 2357 /*
2270 * Actually do the drawing of the string here 2358 * Actually do the drawing of the string here
2271 */ 2359 */
2272 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2360 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2273 2361
2274 if (back == fore) 2362 if (expect_true (have_bg && back == Color_bg))
2275 font->clear_rect (*drawable, xpixel, ypixel,
2276 fwidth * count, fheight,
2277 back);
2278 else if (back == Color_bg)
2279 { 2363 {
2280 if (must_clear) 2364 // this is very ugly, maybe push it into ->draw?
2281 {
2282 CLEAR_CHARS (xpixel, ypixel, count);
2283 2365
2284 for (i = 0; i < count; i++) /* don't draw empty strings */ 2366 for (i = 0; i < count; i++) /* don't draw empty strings */
2285 if (text[i] != ' ') 2367 if (text[i] != ' ')
2286 { 2368 {
2287 font->draw (*drawable, xpixel, ypixel, text, count, fore, -1); 2369 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2288 break; 2370 goto did_clear;
2289 }
2290 } 2371 }
2291 else 2372
2292 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_bg); 2373 CLEAR_CHARS (xpixel, ypixel, count);
2374 did_clear: ;
2293 } 2375 }
2294 else 2376 else
2295 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2377 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2296 2378
2297 if (rend & RS_Uline && font->descent > 1 && fore != back) 2379 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))
2298 { 2380 {
2299#if ENABLE_FRILLS 2381#if ENABLE_FRILLS
2300 if (ISSET_PIXCOLOR (Color_underline)) 2382 if (ISSET_PIXCOLOR (Color_underline))
2301 XSetForeground (display->display, gc, pix_colors[Color_underline]); 2383 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2302 else 2384 else
2303#endif 2385#endif
2304 XSetForeground (display->display, gc, pix_colors[fore]); 2386 XSetForeground (dpy, gc, pix_colors[fore]);
2305 2387
2306 XDrawLine (display->display, drawBuffer, gc, 2388 XDrawLine (dpy, vt, gc,
2307 xpixel, ypixel + font->ascent + 1, 2389 xpixel, ypixel + font->ascent + 1,
2308 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2390 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2309 } 2391 }
2310 } /* for (col....) */ 2392 } /* for (col....) */
2311 } /* for (row....) */ 2393 } /* for (row....) */
2312 2394
2313#if ENABLE_OVERLAY 2395#if ENABLE_OVERLAY
2314 scr_swap_overlay (); 2396 scr_swap_overlay ();
2315#endif 2397#endif
2398 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2316 2399
2317 /* 2400 /*
2318 * G: cleanup cursor and display outline cursor if necessary 2401 * G: cleanup cursor and display outline cursor if necessary
2319 */ 2402 */
2320 if (showcursor) 2403 if (showcursor)
2321 { 2404 {
2322 if (focus) 2405 if (focus)
2323 { 2406 {
2324 if (options & Opt_cursorUnderline) 2407 if (option (Opt_cursorUnderline))
2325 *crp ^= RS_Uline; 2408 *crp ^= RS_Uline;
2326 else 2409 else
2327 { 2410 {
2328 *crp ^= RS_RVid; 2411 *crp ^= RS_RVid;
2329#ifndef NO_CURSORCOLOR 2412#ifndef NO_CURSORCOLOR
… …
2343 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2426 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2344 cursorwidth++; 2427 cursorwidth++;
2345 2428
2346#ifndef NO_CURSORCOLOR 2429#ifndef NO_CURSORCOLOR
2347 if (ISSET_PIXCOLOR (Color_cursor)) 2430 if (ISSET_PIXCOLOR (Color_cursor))
2348 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2431 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2432 else
2349#endif 2433#endif
2434 XSetForeground (dpy, gc, pix_colors[ccol1]);
2350 2435
2351 XDrawRectangle (display->display, drawBuffer, gc, 2436 XDrawRectangle (dpy, vt, gc,
2352 Col2Pixel (col), 2437 Col2Pixel (col),
2353 Row2Pixel (oldcursor.row), 2438 Row2Pixel (oldcursor.row),
2354 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2439 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2355 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2440 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2356 } 2441 }
… …
2359 /* 2444 /*
2360 * H: cleanup selection 2445 * H: cleanup selection
2361 */ 2446 */
2362 scr_reverse_selection (); 2447 scr_reverse_selection ();
2363 2448
2364 if (refresh_type & SMOOTH_REFRESH)
2365 XFlush (display->display);
2366
2367 num_scr = 0; 2449 num_scr = 0;
2368 num_scr_allow = 1; 2450 num_scr_allow = 1;
2369} 2451}
2370 2452
2371void 2453void
2372rxvt_term::scr_remap_chars (const line_t &l) 2454rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2373{ 2455{
2374 if (!l.t) 2456 if (!l.t)
2375 return; 2457 return;
2376 2458
2459 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2460
2377 for (int i = ncol; i--; ) 2461 for (int i = ncol; i--; )
2378 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2462 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2379} 2463}
2380 2464
2381void 2465void
2382rxvt_term::scr_remap_chars () 2466rxvt_term::scr_remap_chars () NOTHROW
2383{ 2467{
2384 for (int i = total_rows; i--; ) 2468 for (int i = total_rows; i--; )
2385 scr_remap_chars (row_buf [i]); 2469 scr_remap_chars (row_buf [i]);
2386 2470
2387 for (int i = nrow; i--; ) 2471 for (int i = nrow; i--; )
… …
2390 scr_remap_chars (swap_buf [i]); 2474 scr_remap_chars (swap_buf [i]);
2391 } 2475 }
2392} 2476}
2393 2477
2394void 2478void
2395rxvt_term::scr_recolour () 2479rxvt_term::scr_recolour () NOTHROW
2396{ 2480{
2397 if (1 2481#ifdef HAVE_BG_PIXMAP
2398#if TRANSPARENT 2482 bgPixmap.apply ();
2399 && !am_transparent 2483#else
2400#endif 2484
2401#if XPM_BACKGROUND
2402 && !bgPixmap.pixmap
2403#endif
2404 )
2405 {
2406 XSetWindowBackground (display->display, parent[0], pix_colors[Color_border]); 2485 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);
2407 XClearWindow (display->display, parent[0]); 2486 XClearWindow (dpy, parent[0]);
2408 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]); 2487 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2409#if HAVE_SCROLLBARS 2488
2410 if (scrollBar.win) 2489 if (scrollBar.win)
2411 { 2490 {
2412 XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]); 2491 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2413 scrollBar.setIdle (); 2492 scrollBar.state = STATE_IDLE;
2414 scrollbar_show (0); 2493 scrollBar.show (0);
2415 }
2416#endif
2417 } 2494 }
2418 2495
2496#endif
2497
2498 /* bgPixmap.apply () does not do the following : */
2419 scr_clear (); 2499 scr_clear ();
2420 scr_touch (true); 2500 scr_touch (true);
2421 want_refresh = 1; 2501 want_refresh = 1;
2422} 2502}
2423 2503
2424/* ------------------------------------------------------------------------- */ 2504/* ------------------------------------------------------------------------- */
2425void 2505void
2426rxvt_term::scr_clear (bool really) 2506rxvt_term::scr_clear (bool really) NOTHROW
2427{ 2507{
2428 if (!mapped) 2508 if (!mapped)
2429 return; 2509 return;
2430 2510
2431 num_scr_allow = 0; 2511 num_scr_allow = 0;
2432 want_refresh = 1; 2512 want_refresh = 1;
2433 2513
2434 if (really) 2514 if (really)
2435 XClearWindow (display->display, vt); 2515 XClearWindow (dpy, vt);
2436} 2516}
2437 2517
2438/* ------------------------------------------------------------------------- */
2439void 2518void
2519rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2520{
2521 int view_end = view_start + nrow;
2522 int row, col;
2523
2524 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2525 {
2526 text_t *stp = ROW(row).t;
2527 rend_t *srp = ROW(row).r;
2528
2529 for (col = beg_col; col < end_col; col++)
2530 srp[col] ^= rstyle1;
2531
2532 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2533 srp[col] ^= rstyle2;
2534
2535 if (++col < end_col)
2536 srp[col] ^= rstyle2;
2537 }
2538}
2539
2540void
2541rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2542{
2543 int view_end = view_start + nrow;
2544 int row, col;
2545
2546 if (beg_row >= view_start)
2547 {
2548 col = beg_col;
2549 row = beg_row;
2550 }
2551 else
2552 {
2553 col = 0;
2554 row = view_start;
2555 }
2556
2557 for (; row < min (end_row, view_end); row++, col = 0)
2558 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2559 srp[col] ^= rstyle;
2560
2561 if (row == end_row)
2562 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2563 srp[col] ^= rstyle;
2564}
2565
2566/* ------------------------------------------------------------------------- */
2567void
2440rxvt_term::scr_reverse_selection () 2568rxvt_term::scr_reverse_selection () NOTHROW
2441{ 2569{
2442 if (selection.op 2570 if (selection.op
2443 && current_screen == selection.screen 2571 && current_screen == selection.screen
2444 && selection.end.row >= -view_start) 2572 && selection.end.row >= view_start)
2445 { 2573 {
2446 int view_end = -view_start + nrow; 2574#if !ENABLE_MINIMAL
2447 int row, col;
2448
2449#if ENABLE_FRILLS
2450 if (selection.rect) 2575 if (selection.rect)
2451 { 2576 scr_xor_rect (selection.beg.row, selection.beg.col,
2452 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2577 selection.end.row, selection.end.col,
2453 { 2578 RS_RVid, RS_RVid | RS_Uline);
2454 text_t *stp = ROW(row).t;
2455 rend_t *srp = ROW(row).r;
2456
2457 for (col = selection.beg.col; col < selection.end.col; col++)
2458 srp[col] ^= RS_RVid;
2459
2460 while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2461 srp[col] ^= RS_RVid | RS_Uline;
2462 }
2463 }
2464 else 2579 else
2465#endif 2580#endif
2466 { 2581 scr_xor_span (selection.beg.row, selection.beg.col,
2467 if (selection.beg.row >= -view_start) 2582 selection.end.row, selection.end.col,
2468 { 2583 RS_RVid);
2469 col = selection.beg.col;
2470 row = selection.beg.row;
2471 }
2472 else
2473 {
2474 col = 0;
2475 row = -view_start;
2476 }
2477
2478 for (; row < min (selection.end.row, view_end); row++, col = 0)
2479 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2480 srp[col] ^= RS_RVid;
2481
2482 if (row == selection.end.row)
2483 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2484 srp[col] ^= RS_RVid;
2485 }
2486 } 2584 }
2487} 2585}
2488 2586
2489/* ------------------------------------------------------------------------- */ 2587/* ------------------------------------------------------------------------- */
2490/* 2588/*
2491 * Dump the whole scrollback and screen to the passed filedescriptor. The 2589 * Dump the whole scrollback and screen to the passed filedescriptor. The
2492 * invoking routine must close the fd. 2590 * invoking routine must close the fd.
2493 */ 2591 */
2494#if 0 2592#if 0
2495void 2593void
2496rxvt_term::scr_dump (int fd) 2594rxvt_term::scr_dump (int fd) NOTHROW
2497{ 2595{
2498 int row, wrote; 2596 int row, wrote;
2499 unsigned int width, towrite; 2597 unsigned int width, towrite;
2500 char r1[] = "\n"; 2598 char r1[] = "\n";
2501 2599
2502 for (row = saveLines - nsaved; 2600 for (row = saveLines + top_row;
2503 row < saveLines + nrow - 1; row++) 2601 row < saveLines + nrow - 1; row++)
2504 { 2602 {
2505 width = row_buf[row].l >= 0 ? row_buf[row].l 2603 width = row_buf[row].l >= 0 ? row_buf[row].l
2506 : ncol; 2604 : ncol;
2507 for (towrite = width; towrite; towrite -= wrote) 2605 for (towrite = width; towrite; towrite -= wrote)
… …
2520 2618
2521/* ------------------------------------------------------------------------- * 2619/* ------------------------------------------------------------------------- *
2522 * CHARACTER SELECTION * 2620 * CHARACTER SELECTION *
2523 * ------------------------------------------------------------------------- */ 2621 * ------------------------------------------------------------------------- */
2524void 2622void
2525rxvt_term::selection_check (int check_more) 2623rxvt_term::selection_check (int check_more) NOTHROW
2526{ 2624{
2527 row_col_t pos; 2625 row_col_t pos;
2528 2626
2529 if (!selection.op) 2627 if (!selection.op)
2530 return; 2628 return;
2531 2629
2532 pos.row = pos.col = 0; 2630 pos.row = pos.col = 0;
2533 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2631 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2534 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2632 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2535 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2633 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2536 || (check_more == 1 2634 || (check_more == 1
2537 && current_screen == selection.screen 2635 && current_screen == selection.screen
2538 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2636 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2539 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2637 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2540 || (check_more == 2 2638 || (check_more == 2
… …
2551/* ------------------------------------------------------------------------- */ 2649/* ------------------------------------------------------------------------- */
2552/* 2650/*
2553 * Paste a selection direct to the command fd 2651 * Paste a selection direct to the command fd
2554 */ 2652 */
2555void 2653void
2556rxvt_term::paste (unsigned char *data, unsigned int len) 2654rxvt_term::paste (char *data, unsigned int len) NOTHROW
2557{ 2655{
2558 /* convert normal newline chars into common keyboard Return key sequence */ 2656 /* convert normal newline chars into common keyboard Return key sequence */
2559 for (unsigned int i = 0; i < len; i++) 2657 for (unsigned int i = 0; i < len; i++)
2560 if (data[i] == C0_LF) 2658 if (data[i] == C0_LF)
2561 data[i] = C0_CR; 2659 data[i] = C0_CR;
2562 2660
2661 if (priv_modes & PrivMode_BracketPaste)
2662 tt_printf ("\e[200~");
2663
2563 tt_write (data, len); 2664 tt_write (data, len);
2665
2666 if (priv_modes & PrivMode_BracketPaste)
2667 tt_printf ("\e[201~");
2564} 2668}
2565 2669
2566/* ------------------------------------------------------------------------- */ 2670/* ------------------------------------------------------------------------- */
2567/* 2671/*
2568 * Respond to a notification that a primary selection has been sent 2672 * Respond to a notification that a primary selection has been sent
2569 * EXT: SelectionNotify 2673 * EXT: SelectionNotify
2570 */ 2674 */
2571void 2675void
2572rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) 2676rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2573{ 2677{
2574 if (prop == None) /* check for failed XConvertSelection */ 2678 if (prop == None) /* check for failed XConvertSelection */
2575 { 2679 {
2576 if ((selection_type & Sel_CompoundText)) 2680 if ((selection_type & Sel_CompoundText))
2577 { 2681 {
… …
2597 } 2701 }
2598 2702
2599 unsigned long bytes_after; 2703 unsigned long bytes_after;
2600 XTextProperty ct; 2704 XTextProperty ct;
2601 2705
2602 if (XGetWindowProperty (display->display, win, prop, 2706 if (XGetWindowProperty (dpy, win, prop,
2603 0, PROP_SIZE / 4, 2707 0, PROP_SIZE / 4,
2604 delete_prop, AnyPropertyType, 2708 delete_prop, AnyPropertyType,
2605 &ct.encoding, &ct.format, 2709 &ct.encoding, &ct.format,
2606 &ct.nitems, &bytes_after, 2710 &ct.nitems, &bytes_after,
2607 &ct.value) != Success) 2711 &ct.value) != Success)
… …
2616 if (bytes_after) 2720 if (bytes_after)
2617 { 2721 {
2618 // fetch and append remaining data 2722 // fetch and append remaining data
2619 XTextProperty ct2; 2723 XTextProperty ct2;
2620 2724
2621 if (XGetWindowProperty (display->display, win, prop, 2725 if (XGetWindowProperty (dpy, win, prop,
2622 ct.nitems / 4, (bytes_after + 3) / 4, 2726 ct.nitems / 4, (bytes_after + 3) / 4,
2623 delete_prop, AnyPropertyType, 2727 delete_prop, AnyPropertyType,
2624 &ct2.encoding, &ct2.format, 2728 &ct2.encoding, &ct2.format,
2625 &ct2.nitems, &bytes_after, 2729 &ct2.nitems, &bytes_after,
2626 &ct2.value) != Success) 2730 &ct2.value) != Success)
… …
2639 2743
2640 if (ct.encoding == xa[XA_INCR]) 2744 if (ct.encoding == xa[XA_INCR])
2641 { 2745 {
2642 // INCR selection, start handshake 2746 // INCR selection, start handshake
2643 if (!delete_prop) 2747 if (!delete_prop)
2644 XDeleteProperty (display->display, win, prop); 2748 XDeleteProperty (dpy, win, prop);
2645 2749
2646 selection_wait = Sel_incr; 2750 selection_wait = Sel_incr;
2647 incr_buf_fill = 0; 2751 incr_buf_fill = 0;
2648 incr_ev.start (NOW + 10); 2752 incr_ev.start (10);
2649 2753
2650 goto bailout; 2754 goto bailout;
2651 } 2755 }
2652 2756
2653 if (ct.nitems == 0) 2757 if (ct.nitems == 0)
… …
2662 ct.nitems = incr_buf_fill; 2766 ct.nitems = incr_buf_fill;
2663 incr_buf = 0; 2767 incr_buf = 0;
2664 incr_buf_size = 0; 2768 incr_buf_size = 0;
2665 incr_ev.stop (); 2769 incr_ev.stop ();
2666 } 2770 }
2667 else 2771 else
2668 { 2772 {
2669 if (selection_wait == Sel_normal 2773 if (selection_wait == Sel_normal
2670 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion 2774 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2671 { 2775 {
2672 /* 2776 /*
… …
2679 goto bailout; 2783 goto bailout;
2680 } 2784 }
2681 } 2785 }
2682 else if (selection_wait == Sel_incr) 2786 else if (selection_wait == Sel_incr)
2683 { 2787 {
2684 incr_ev.start (NOW + 10); 2788 incr_ev.start (10);
2685 2789
2686 while (incr_buf_fill + ct.nitems > incr_buf_size) 2790 while (incr_buf_fill + ct.nitems > incr_buf_size)
2687 { 2791 {
2688 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024; 2792 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2689 incr_buf = (char *)realloc (incr_buf, incr_buf_size); 2793 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
… …
2696 } 2800 }
2697 2801
2698 char **cl; 2802 char **cl;
2699 int cr; 2803 int cr;
2700 2804
2701#if ENABLE_FRILLS 2805#if !ENABLE_MINIMAL
2702 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 2806 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2703 // so recode it manually 2807 // so recode it manually
2704 if (ct.encoding == xa[XA_UTF8_STRING]) 2808 if (ct.encoding == xa[XA_UTF8_STRING])
2705 { 2809 {
2706 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2810 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2707 char *s = rxvt_wcstombs (w); 2811 char *s = rxvt_wcstombs (w);
2708 free (w); 2812 free (w);
2709 // TODO: strlen == only the first element will be converted. well... 2813 // TODO: strlen == only the first element will be converted. well...
2710 paste ((unsigned char *)s, strlen (s)); 2814 paste (s, strlen (s));
2711 free (s); 2815 free (s);
2712 } 2816 }
2713 else 2817 else
2714#endif 2818#endif
2715 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2819 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2716 && cl) 2820 && cl)
2717 { 2821 {
2718 for (int i = 0; i < cr; i++) 2822 for (int i = 0; i < cr; i++)
2719 paste ((unsigned char *)cl[i], strlen (cl[i])); 2823 paste (cl[i], strlen (cl[i]));
2720 2824
2721 XFreeStringList (cl); 2825 XFreeStringList (cl);
2722 } 2826 }
2723 else 2827 else
2724 paste (ct.value, ct.nitems); // paste raw 2828 paste ((char *)ct.value, ct.nitems); // paste raw
2725 2829
2726bailout: 2830bailout:
2727 XFree (ct.value); 2831 XFree (ct.value);
2728 2832
2729 if (selection_wait == Sel_normal) 2833 if (selection_wait == Sel_normal)
2730 selection_wait = Sel_none; 2834 selection_wait = Sel_none;
2731} 2835}
2732 2836
2733void 2837void
2734rxvt_term::incr_cb (time_watcher &w) 2838rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2735{ 2839{
2736 selection_wait = Sel_none; 2840 selection_wait = Sel_none;
2737 2841
2738 incr_buf_size = 0; 2842 incr_buf_size = 0;
2739 free (incr_buf); 2843 free (incr_buf);
2740 2844
2741 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); 2845 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2742} 2846}
2743 2847
2744void 2848void
2745rxvt_term::selection_property (Window win, Atom prop) 2849rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2746{ 2850{
2747 if (prop == None || selection_wait != Sel_incr) 2851 if (prop == None || selection_wait != Sel_incr)
2748 return; 2852 return;
2749 2853
2750 selection_paste (win, prop, true); 2854 selection_paste (win, prop, true);
2751} 2855}
2752 2856
2753/* ------------------------------------------------------------------------- */ 2857/* ------------------------------------------------------------------------- */
2754/* 2858/*
2755 * Request the current selection: 2859 * Request the current selection:
2756 * Order: > internal selection if available 2860 * Order: > internal selection if available
2757 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2861 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2758 * > CUT_BUFFER0 2862 * > CUT_BUFFER0
2759 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2863 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2760 * will auto fallback to CUT_BUFFER0 2864 * will auto fallback to CUT_BUFFER0
2761 * EXT: button 2 release 2865 * EXT: button 2 release
2762 */ 2866 */
2763void 2867void
2764rxvt_term::selection_request (Time tm, int x, int y) 2868rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2765{ 2869{
2766 if (x < 0 || x >= width || y < 0 || y >= height) 2870 if (selection.text && selnum == Sel_Primary)
2767 return; /* outside window */ 2871 {
2768
2769 if (selection.text)
2770 { /* internal selection */ 2872 /* internal selection */
2771 char *str = rxvt_wcstombs (selection.text, selection.len); 2873 char *str = rxvt_wcstombs (selection.text, selection.len);
2772 paste ((unsigned char *)str, strlen (str)); 2874 paste (str, strlen (str));
2773 free (str); 2875 free (str);
2774 return; 2876 return;
2775 } 2877 }
2776 else 2878 else
2777 { 2879 {
2778 int i;
2779
2780 selection_request_time = tm; 2880 selection_request_time = tm;
2781 selection_wait = Sel_normal; 2881 selection_wait = Sel_normal;
2782 2882
2783 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2784 {
2785#if X_HAVE_UTF8_STRING 2883#if X_HAVE_UTF8_STRING
2786 selection_type = Sel_UTF8String; 2884 selection_type = Sel_UTF8String;
2787 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2885 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2788 return; 2886 return;
2789#else 2887#else
2790 selection_type = Sel_CompoundText; 2888 selection_type = Sel_CompoundText;
2791 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2889 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2792 return; 2890 return;
2793#endif 2891#endif
2794 }
2795 } 2892 }
2796 2893
2797 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2894 selection_wait = Sel_none; /* don't loop in selection_paste () */
2798 selection_paste (display->root, XA_CUT_BUFFER0, false); 2895 selection_paste (display->root, XA_CUT_BUFFER0, false);
2799} 2896}
2800 2897
2801int 2898int
2802rxvt_term::selection_request_other (Atom target, int selnum) 2899rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2803{ 2900{
2804 Atom sel; 2901 Atom sel;
2805 2902
2806 selection_type |= selnum; 2903 selection_type |= selnum;
2807 2904
… …
2810 else if (selnum == Sel_Secondary) 2907 else if (selnum == Sel_Secondary)
2811 sel = XA_SECONDARY; 2908 sel = XA_SECONDARY;
2812 else 2909 else
2813 sel = xa[XA_CLIPBOARD]; 2910 sel = xa[XA_CLIPBOARD];
2814 2911
2815 if (XGetSelectionOwner (display->display, sel) != None) 2912 if (XGetSelectionOwner (dpy, sel) != None)
2816 { 2913 {
2817 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION], 2914 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2818 vt, selection_request_time); 2915 vt, selection_request_time);
2819 return 1; 2916 return 1;
2820 } 2917 }
2821 2918
2822 return 0; 2919 return 0;
… …
2826/* 2923/*
2827 * Clear all selected text 2924 * Clear all selected text
2828 * EXT: SelectionClear 2925 * EXT: SelectionClear
2829 */ 2926 */
2830void 2927void
2831rxvt_term::selection_clear () 2928rxvt_term::selection_clear () NOTHROW
2832{ 2929{
2833 want_refresh = 1; 2930 want_refresh = 1;
2834 free (selection.text); 2931 free (selection.text);
2835 selection.text = NULL; 2932 selection.text = NULL;
2836 selection.len = 0; 2933 selection.len = 0;
… …
2869 selection.op = SELECTION_DONE; 2966 selection.op = SELECTION_DONE;
2870 2967
2871 if (selection.clicks == 4) 2968 if (selection.clicks == 4)
2872 return; /* nothing selected, go away */ 2969 return; /* nothing selected, go away */
2873 2970
2971 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2972 return;
2973
2874 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2974 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2875 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2975 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2876 2976
2877 int ofs = 0; 2977 int ofs = 0;
2878 int extra = 0; 2978 int extra = 0;
… …
2882 2982
2883 int end_col; 2983 int end_col;
2884 2984
2885 for (; row <= selection.end.row; row++, col = 0) 2985 for (; row <= selection.end.row; row++, col = 0)
2886 { 2986 {
2887#if ENABLE_FRILLS 2987#if !ENABLE_MINIMAL
2888 if (selection.rect) 2988 if (selection.rect)
2889 { 2989 {
2890 col = selection.beg.col; 2990 col = selection.beg.col;
2891 end_col = ncol + 1; 2991 end_col = ncol + 1;
2892 } 2992 }
2893 else 2993 else
2894#endif 2994#endif
2895 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2995 end_col = ROW(row).l;
2896 2996
2897 col = max (col, 0); 2997 col = max (col, 0);
2898 2998
2899 if (row == selection.end.row 2999 if (row == selection.end.row
2900#if ENABLE_FRILLS 3000#if !ENABLE_MINIMAL
2901 || selection.rect 3001 || selection.rect
2902#endif 3002#endif
2903 ) 3003 )
2904 min_it (end_col, selection.end.col); 3004 min_it (end_col, selection.end.col);
2905 3005
2906 t = ROW(row).t + col; 3006 t = ROW(row).t + col;
3007
2907 for (; col < end_col; col++) 3008 for (; col < end_col; col++)
2908 { 3009 {
2909 if (*t == NOCHAR) 3010 if (*t == NOCHAR)
2910 t++; 3011 t++;
2911#if ENABLE_COMBINING 3012#if ENABLE_COMBINING
… …
2927#endif 3028#endif
2928 else 3029 else
2929 new_selection_text[ofs++] = *t++; 3030 new_selection_text[ofs++] = *t++;
2930 } 3031 }
2931 3032
2932#if ENABLE_FRILLS 3033#if !ENABLE_MINIMAL
2933 if (selection.rect) 3034 if (selection.rect)
2934 { 3035 {
2935 while (ofs 3036 while (ofs
2936 && new_selection_text[ofs - 1] != C0_LF 3037 && new_selection_text[ofs - 1] != C0_LF
2937 && unicode::is_space (new_selection_text[ofs - 1])) 3038 && unicode::is_space (new_selection_text[ofs - 1]))
… …
2960 3061
2961 // we usually allocate much more than necessary, so realloc it smaller again 3062 // we usually allocate much more than necessary, so realloc it smaller again
2962 selection.len = ofs; 3063 selection.len = ofs;
2963 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3064 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2964 3065
3066 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3067 return;
3068
3069 selection_grab (tm);
3070}
3071
3072bool
3073rxvt_term::selection_grab (Time tm) NOTHROW
3074{
3075 selection_time = tm;
3076
2965 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3077 XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm);
2966 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3078 if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt)
3079 {
2967 display->set_selection_owner (this); 3080 display->set_selection_owner (this);
3081 return true;
3082 }
2968 else 3083 else
2969 rxvt_warn ("can't get primary selection, ignoring.\n"); 3084 {
3085 selection_clear ();
3086 return false;
3087 }
2970 3088
2971#if 0 3089#if 0
2972 XTextProperty ct; 3090 XTextProperty ct;
2973 3091
2974 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3092 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2975 { 3093 {
2976 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3094 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2977 XFree (ct.value); 3095 XFree (ct.value);
2978 } 3096 }
2979#endif 3097#endif
2980
2981 selection_time = tm;
2982} 3098}
2983 3099
2984/* ------------------------------------------------------------------------- */ 3100/* ------------------------------------------------------------------------- */
2985/* 3101/*
2986 * Mark or select text based upon number of clicks: 1, 2, or 3 3102 * Mark or select text based upon number of clicks: 1, 2, or 3
2987 * EXT: button 1 press 3103 * EXT: button 1 press
2988 */ 3104 */
2989void 3105void
2990rxvt_term::selection_click (int clicks, int x, int y) 3106rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2991{ 3107{
2992 clicks = ((clicks - 1) % 3) + 1; 3108 clicks = ((clicks - 1) % 3) + 1;
2993 selection.clicks = clicks; /* save clicks so extend will work */ 3109 selection.clicks = clicks; /* save clicks so extend will work */
2994 3110
3111 if (clicks == 2 && !selection.rect
3112 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3113 {
3114 MEvent.clicks = 1; // what a mess
3115 selection.screen = current_screen;
3116 selection.op = SELECTION_CONT;
3117 return;
3118 }
3119
2995 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3120 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2996 3121
2997 if (clicks == 2 || clicks == 3) 3122 if (clicks == 2 || clicks == 3)
2998 selection_extend_colrow (selection.mark.col, 3123 selection_extend_colrow (selection.mark.col,
2999 selection.mark.row + view_start, 3124 selection.mark.row - view_start,
3000 0, /* button 3 */ 3125 0, /* button 3 */
3001 1, /* button press */ 3126 1, /* button press */
3002 0); /* click change */ 3127 0); /* click change */
3003} 3128}
3004 3129
3005/* ------------------------------------------------------------------------- */ 3130/* ------------------------------------------------------------------------- */
3006/* 3131/*
3007 * Mark a selection at the specified col/row 3132 * Mark a selection at the specified col/row
3008 */ 3133 */
3009void 3134void
3010rxvt_term::selection_start_colrow (int col, int row) 3135rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3011{ 3136{
3012 want_refresh = 1; 3137 want_refresh = 1;
3013 3138
3014 selection.mark.row = row - view_start; 3139 selection.mark.row = row + view_start;
3015 selection.mark.col = col; 3140 selection.mark.col = col;
3016 3141
3017 selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1); 3142 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3018 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1); 3143 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3019 3144
3020 while (selection.mark.col > 0 3145 while (selection.mark.col > 0
3021 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 3146 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3022 --selection.mark.col; 3147 --selection.mark.col;
3023 3148
3024 if (selection.op) 3149 if (selection.op)
3150 {
3025 { /* clear the old selection */ 3151 /* clear the old selection */
3026 selection.beg.row = selection.end.row = selection.mark.row; 3152 selection.beg.row = selection.end.row = selection.mark.row;
3027 selection.beg.col = selection.end.col = selection.mark.col; 3153 selection.beg.col = selection.end.col = selection.mark.col;
3028 } 3154 }
3029 3155
3030 selection.op = SELECTION_INIT; 3156 selection.op = SELECTION_INIT;
… …
3041#define DELIMIT_TEXT(x) \ 3167#define DELIMIT_TEXT(x) \
3042 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3168 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3043#define DELIMIT_REND(x) 1 3169#define DELIMIT_REND(x) 1
3044 3170
3045void 3171void
3046rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3172rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3047{ 3173{
3048 int col, row, dirnadd, tcol, trow, w1, w2; 3174 int col, row, dirnadd, tcol, trow, w1, w2;
3049 row_col_t bound; 3175 row_col_t bound;
3050 text_t *stp; 3176 text_t *stp;
3051 rend_t *srp; 3177 rend_t *srp;
3052 3178
3053 if (dirn == UP) 3179 if (dirn == UP)
3054 { 3180 {
3055 bound.row = - nsaved - 1; 3181 bound.row = top_row - 1;
3056 bound.col = 0; 3182 bound.col = 0;
3057 dirnadd = -1; 3183 dirnadd = -1;
3058 } 3184 }
3059 else 3185 else
3060 { 3186 {
… …
3108 } 3234 }
3109 } 3235 }
3110 break; 3236 break;
3111 } 3237 }
3112 3238
3113Old_Word_Selection_You_Die:
3114 if (dirn == DN) 3239 if (dirn == DN)
3115 col++; /* put us on one past the end */ 3240 col++; /* put us on one past the end */
3116 3241
3117 /* Poke the values back in */ 3242 /* Poke the values back in */
3118 ret->row = row; 3243 ret->row = row;
… …
3126 * flag == 0 ==> button 1 3251 * flag == 0 ==> button 1
3127 * flag == 1 ==> button 3 press 3252 * flag == 1 ==> button 3 press
3128 * flag == 2 ==> button 3 motion 3253 * flag == 2 ==> button 3 motion
3129 */ 3254 */
3130void 3255void
3131rxvt_term::selection_extend (int x, int y, int flag) 3256rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3132{ 3257{
3133 int col = clamp (Pixel2Col (x), 0, ncol); 3258 int col = clamp (Pixel2Col (x), 0, ncol);
3134 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3259 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3135 3260
3136 /* 3261 /*
… …
3139 * select nothing. Otherwise, if we're to the right of the mark, you have to 3264 * select nothing. Otherwise, if we're to the right of the mark, you have to
3140 * be _past_ a character for it to be selected. 3265 * be _past_ a character for it to be selected.
3141 */ 3266 */
3142 if (((selection.clicks % 3) == 1) && !flag 3267 if (((selection.clicks % 3) == 1) && !flag
3143 && (col == selection.mark.col 3268 && (col == selection.mark.col
3144 && (row == selection.mark.row + view_start))) 3269 && (row == selection.mark.row - view_start)))
3145 { 3270 {
3146 /* select nothing */ 3271 /* select nothing */
3147 selection.beg.row = selection.end.row = 0; 3272 selection.beg.row = selection.end.row = 0;
3148 selection.beg.col = selection.end.col = 0; 3273 selection.beg.col = selection.end.col = 0;
3149 selection.clicks = 4; 3274 selection.clicks = 4;
… …
3162/* ------------------------------------------------------------------------- */ 3287/* ------------------------------------------------------------------------- */
3163/* 3288/*
3164 * Extend the selection to the specified col/row 3289 * Extend the selection to the specified col/row
3165 */ 3290 */
3166void 3291void
3167rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3292rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3168{ 3293{
3169 row_col_t pos; 3294 row_col_t pos;
3170 enum { 3295 enum {
3171 LEFT, RIGHT 3296 LEFT, RIGHT
3172 } closeto = RIGHT; 3297 } closeto = RIGHT;
… …
3204 selection.beg.col = selection.end.col = selection.mark.col; 3329 selection.beg.col = selection.end.col = selection.mark.col;
3205 selection.beg.row = selection.end.row = selection.mark.row; 3330 selection.beg.row = selection.end.row = selection.mark.row;
3206 } 3331 }
3207 3332
3208 pos.col = col; 3333 pos.col = col;
3209 pos.row = row - view_start; 3334 pos.row = view_start + row;
3210 3335
3211 /* 3336 /*
3212 * This is mainly xterm style selection with a couple of differences, mainly 3337 * This is mainly xterm style selection with a couple of differences, mainly
3213 * in the way button3 drag extension works. 3338 * in the way button3 drag extension works.
3214 * We're either doing: button1 drag; button3 press; or button3 drag 3339 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3220 * a point/word/line which is either the start or end of the selection 3345 * a point/word/line which is either the start or end of the selection
3221 * and it was decided by whichever point/word/line was `fixed' at the 3346 * and it was decided by whichever point/word/line was `fixed' at the
3222 * time of the most recent button3 press 3347 * time of the most recent button3 press
3223 */ 3348 */
3224 if (button3 && buttonpress) 3349 if (button3 && buttonpress)
3350 {
3225 { /* button3 press */ 3351 /* button3 press */
3226 /* 3352 /*
3227 * first determine which edge of the selection we are closest to 3353 * first determine which edge of the selection we are closest to
3228 */ 3354 */
3229 if (ROWCOL_IS_BEFORE (pos, selection.beg) 3355 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3230 || (!ROWCOL_IS_AFTER (pos, selection.end) 3356 || (!ROWCOL_IS_AFTER (pos, selection.end)
… …
3248 selection.mark.row = selection.beg.row; 3374 selection.mark.row = selection.beg.row;
3249 selection.mark.col = selection.beg.col; 3375 selection.mark.col = selection.beg.col;
3250 } 3376 }
3251 } 3377 }
3252 else 3378 else
3379 {
3253 { /* button1 drag or button3 drag */ 3380 /* button1 drag or button3 drag */
3254 if (ROWCOL_IS_AFTER (selection.mark, pos)) 3381 if (ROWCOL_IS_AFTER (selection.mark, pos))
3255 { 3382 {
3256 if (selection.mark.row == selection.end.row 3383 if (selection.mark.row == selection.end.row
3257 && selection.mark.col == selection.end.col 3384 && selection.mark.col == selection.end.col
3258 && clickchange 3385 && clickchange
… …
3275 3402
3276 if (selection.clicks == 1) 3403 if (selection.clicks == 1)
3277 { 3404 {
3278 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN 3405 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3279 && !ROW(selection.beg.row).is_longer () 3406 && !ROW(selection.beg.row).is_longer ()
3280#if ENABLE_FRILLS 3407#if !ENABLE_MINIMAL
3281 && !selection.rect 3408 && !selection.rect
3282#endif 3409#endif
3283 ) 3410 )
3284 selection.beg.col = ncol; 3411 selection.beg.col = ncol;
3285 3412
3286 if ( 3413 if (
3287 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN 3414 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3288 && !ROW(selection.end.row).is_longer () 3415 && !ROW(selection.end.row).is_longer ()
3289#if ENABLE_FRILLS 3416#if !ENABLE_MINIMAL
3290 && !selection.rect 3417 && !selection.rect
3291#endif 3418#endif
3292 ) 3419 )
3293 selection.end.col = ncol; 3420 selection.end.col = ncol;
3294 } 3421 }
… …
3301 selection_delimit_word (DN, &selection.end, &selection.end); 3428 selection_delimit_word (DN, &selection.end, &selection.end);
3302 } 3429 }
3303 else if (selection.clicks == 3) 3430 else if (selection.clicks == 3)
3304 { 3431 {
3305#if ENABLE_FRILLS 3432#if ENABLE_FRILLS
3306 if (options & Opt_tripleclickwords) 3433 if (option (Opt_tripleclickwords))
3307 { 3434 {
3308 selection_delimit_word (UP, &selection.beg, &selection.beg); 3435 selection_delimit_word (UP, &selection.beg, &selection.beg);
3309 3436
3310 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3437 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3311 { 3438 {
3312 if (!ROW(end_row).is_longer ()) 3439 if (!ROW(end_row).is_longer ())
3313 { 3440 {
3314 selection.end.row = end_row; 3441 selection.end.row = end_row;
3315 selection.end.col = ROW(end_row).l; 3442 selection.end.col = ROW(end_row).l;
3443# if !ENABLE_MINIMAL
3316 selection_remove_trailing_spaces (); 3444 selection_remove_trailing_spaces ();
3445# endif
3317 break; 3446 break;
3318 } 3447 }
3319 } 3448 }
3320 } 3449 }
3321 else 3450 else
… …
3337 selection.end.row++; 3466 selection.end.row++;
3338 } 3467 }
3339 } 3468 }
3340 3469
3341 if (button3 && buttonpress) 3470 if (button3 && buttonpress)
3471 {
3342 { /* mark may need to be changed */ 3472 /* mark may need to be changed */
3343 if (closeto == LEFT) 3473 if (closeto == LEFT)
3344 { 3474 {
3345 selection.mark.row = selection.end.row; 3475 selection.mark.row = selection.end.row;
3346 selection.mark.col = selection.end.col - (selection.clicks == 2); 3476 selection.mark.col = selection.end.col - (selection.clicks == 2);
3347 } 3477 }
… …
3350 selection.mark.row = selection.beg.row; 3480 selection.mark.row = selection.beg.row;
3351 selection.mark.col = selection.beg.col; 3481 selection.mark.col = selection.beg.col;
3352 } 3482 }
3353 } 3483 }
3354 3484
3355#if ENABLE_FRILLS 3485#if !ENABLE_MINIMAL
3356 if (selection.rect && selection.beg.col > selection.end.col) 3486 if (selection.rect && selection.beg.col > selection.end.col)
3357 ::swap (selection.beg.col, selection.end.col); 3487 ::swap (selection.beg.col, selection.end.col);
3358#endif 3488#endif
3359} 3489}
3360 3490
3361#if ENABLE_FRILLS 3491#if !ENABLE_MINIMAL
3362void 3492void
3363rxvt_term::selection_remove_trailing_spaces () 3493rxvt_term::selection_remove_trailing_spaces () NOTHROW
3364{ 3494{
3365 int32_t end_col, end_row; 3495 int32_t end_col, end_row;
3366 text_t *stp; 3496 text_t *stp;
3367 3497
3368 end_col = selection.end.col; 3498 end_col = selection.end.col;
… …
3406/* 3536/*
3407 * Double click on button 3 when already selected 3537 * Double click on button 3 when already selected
3408 * EXT: button 3 double click 3538 * EXT: button 3 double click
3409 */ 3539 */
3410void 3540void
3411rxvt_term::selection_rotate (int x, int y) 3541rxvt_term::selection_rotate (int x, int y) NOTHROW
3412{ 3542{
3413 selection.clicks = selection.clicks % 3 + 1; 3543 selection.clicks = selection.clicks % 3 + 1;
3414 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3544 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3415} 3545}
3416 3546
… …
3418/* 3548/*
3419 * Respond to a request for our current selection 3549 * Respond to a request for our current selection
3420 * EXT: SelectionRequest 3550 * EXT: SelectionRequest
3421 */ 3551 */
3422void 3552void
3423rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3553rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3424{ 3554{
3425 XSelectionEvent ev; 3555 XSelectionEvent ev;
3426 dDisp;
3427 3556
3428 ev.type = SelectionNotify; 3557 ev.type = SelectionNotify;
3429 ev.property = None; 3558 ev.property = None;
3430 ev.display = rq.display; 3559 ev.display = rq.display;
3431 ev.requestor = rq.requestor; 3560 ev.requestor = rq.requestor;
… …
3445 *target++ = xa[XA_COMPOUND_TEXT]; 3574 *target++ = xa[XA_COMPOUND_TEXT];
3446#if X_HAVE_UTF8_STRING 3575#if X_HAVE_UTF8_STRING
3447 *target++ = xa[XA_UTF8_STRING]; 3576 *target++ = xa[XA_UTF8_STRING];
3448#endif 3577#endif
3449 3578
3450 XChangeProperty (disp, rq.requestor, rq.property, XA_ATOM, 3579 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,
3451 32, PropModeReplace, 3580 32, PropModeReplace,
3452 (unsigned char *)target_list, target - target_list); 3581 (unsigned char *)target_list, target - target_list);
3453 ev.property = rq.property; 3582 ev.property = rq.property;
3454 } 3583 }
3455#if TODO // TODO 3584#if TODO // TODO
… …
3458 /* TODO: Handle MULTIPLE */ 3587 /* TODO: Handle MULTIPLE */
3459 } 3588 }
3460#endif 3589#endif
3461 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3590 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3462 { 3591 {
3463 XChangeProperty (disp, rq.requestor, rq.property, rq.target, 3592 XChangeProperty (dpy, rq.requestor, rq.property, rq.target,
3464 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3593 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3465 ev.property = rq.property; 3594 ev.property = rq.property;
3466 } 3595 }
3467 else if (rq.target == XA_STRING 3596 else if (rq.target == XA_STRING
3468 || rq.target == xa[XA_TEXT] 3597 || rq.target == xa[XA_TEXT]
… …
3492 style = enc_string; 3621 style = enc_string;
3493 else if (target == xa[XA_TEXT]) 3622 else if (target == xa[XA_TEXT])
3494 style = enc_text; 3623 style = enc_text;
3495 else if (target == xa[XA_COMPOUND_TEXT]) 3624 else if (target == xa[XA_COMPOUND_TEXT])
3496 style = enc_compound_text; 3625 style = enc_compound_text;
3497#if ENABLE_FRILLS 3626#if !ENABLE_MINIMAL
3498 else if (target == xa[XA_UTF8_STRING]) 3627 else if (target == xa[XA_UTF8_STRING])
3499 style = enc_utf8; 3628 style = enc_utf8;
3500#endif 3629#endif
3501 else 3630 else
3502 { 3631 {
… …
3513 { 3642 {
3514 cl = L""; 3643 cl = L"";
3515 selectlen = 0; 3644 selectlen = 0;
3516 } 3645 }
3517 3646
3518#if ENABLE_FRILLS 3647#if !ENABLE_MINIMAL
3519 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 3648 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3520 // so recode it manually 3649 // so recode it manually
3521 if (style == enc_utf8) 3650 if (style == enc_utf8)
3522 { 3651 {
3523 freect = 1; 3652 freect = 1;
… …
3526 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen); 3655 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3527 ct.nitems = strlen ((char *)ct.value); 3656 ct.nitems = strlen ((char *)ct.value);
3528 } 3657 }
3529 else 3658 else
3530#endif 3659#endif
3531 if (XwcTextListToTextProperty (disp, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0) 3660 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3532 freect = 1; 3661 freect = 1;
3533 else 3662 else
3534 { 3663 {
3535 /* if we failed to convert then send it raw */ 3664 /* if we failed to convert then send it raw */
3536 ct.value = (unsigned char *)cl; 3665 ct.value = (unsigned char *)cl;
3537 ct.nitems = selectlen; 3666 ct.nitems = selectlen;
3538 ct.encoding = target; 3667 ct.encoding = target;
3539 } 3668 }
3540 3669
3541 XChangeProperty (disp, rq.requestor, rq.property, 3670 XChangeProperty (dpy, rq.requestor, rq.property,
3542 ct.encoding, 8, PropModeReplace, 3671 ct.encoding, 8, PropModeReplace,
3543 ct.value, (int)ct.nitems); 3672 ct.value, (int)ct.nitems);
3544 ev.property = rq.property; 3673 ev.property = rq.property;
3545 3674
3546 if (freect) 3675 if (freect)
3547 XFree (ct.value); 3676 XFree (ct.value);
3548 } 3677 }
3549 3678
3550 XSendEvent (disp, rq.requestor, False, 0L, (XEvent *)&ev); 3679 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3551}
3552
3553/* ------------------------------------------------------------------------- *
3554 * MOUSE ROUTINES *
3555 * ------------------------------------------------------------------------- */
3556
3557/*
3558 * return col/row values corresponding to x/y pixel values
3559 */
3560void
3561rxvt_term::pixel_position (int *x, int *y)
3562{
3563 *x = Pixel2Col (*x);
3564 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3565 *y = Pixel2Row (*y);
3566 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3567} 3680}
3568 3681
3569/* ------------------------------------------------------------------------- */ 3682/* ------------------------------------------------------------------------- */
3570#ifdef USE_XIM 3683#ifdef USE_XIM
3571void 3684void
3572rxvt_term::im_set_position (XPoint &pos) 3685rxvt_term::im_set_position (XPoint &pos) NOTHROW
3573{ 3686{
3574 XWindowAttributes xwa; 3687 XWindowAttributes xwa;
3575 3688
3576 XGetWindowAttributes (display->display, vt, &xwa); 3689 XGetWindowAttributes (dpy, vt, &xwa);
3577 3690
3578 pos.x = xwa.x + Col2Pixel (screen.cur.col); 3691 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3579 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase; 3692 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3580} 3693}
3581#endif 3694#endif
3582 3695
3583#if ENABLE_OVERLAY 3696#if ENABLE_OVERLAY
3584void 3697void
3585rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3698rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3586{ 3699{
3587 if (nrow < 3 || ncol < 3) 3700 if (nrow < 1 || ncol < 1)
3588 return; 3701 return;
3589 3702
3590 want_refresh = 1; 3703 want_refresh = 1;
3591 3704
3592 scr_overlay_off (); 3705 scr_overlay_off ();
… …
3635 *rp = r; 3748 *rp = r;
3636 } 3749 }
3637} 3750}
3638 3751
3639void 3752void
3640rxvt_term::scr_overlay_off () 3753rxvt_term::scr_overlay_off () NOTHROW
3641{ 3754{
3642 if (!ov_text) 3755 if (!ov_text)
3643 return; 3756 return;
3644 3757
3645 want_refresh = 1; 3758 want_refresh = 1;
… …
3653 delete [] ov_text; ov_text = 0; 3766 delete [] ov_text; ov_text = 0;
3654 delete [] ov_rend; ov_rend = 0; 3767 delete [] ov_rend; ov_rend = 0;
3655} 3768}
3656 3769
3657void 3770void
3658rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3771rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3659{ 3772{
3660 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3773 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3661 return; 3774 return;
3662 3775
3663 x++, y++; 3776 x++, y++;
… …
3665 ov_text[y][x] = text; 3778 ov_text[y][x] = text;
3666 ov_rend[y][x] = rend; 3779 ov_rend[y][x] = rend;
3667} 3780}
3668 3781
3669void 3782void
3670rxvt_term::scr_overlay_set (int x, int y, const char *s) 3783rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3671{ 3784{
3672 while (*s) 3785 while (*s)
3673 scr_overlay_set (x++, y, *s++); 3786 scr_overlay_set (x++, y, *s++);
3674} 3787}
3675 3788
3676void 3789void
3677rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3790rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3678{ 3791{
3679 while (*s) 3792 while (*s)
3680 { 3793 {
3681 text_t t = *s++; 3794 text_t t = *s++;
3682 int width = wcwidth (t); 3795 int width = WCWIDTH (t);
3683 3796
3684 while (width--) 3797 while (width--)
3685 { 3798 {
3686 scr_overlay_set (x++, y, t); 3799 scr_overlay_set (x++, y, t);
3687 t = NOCHAR; 3800 t = NOCHAR;
3688 } 3801 }
3689 } 3802 }
3690} 3803}
3691 3804
3692void 3805void
3693rxvt_term::scr_swap_overlay () 3806rxvt_term::scr_swap_overlay () NOTHROW
3694{ 3807{
3695 if (!ov_text) 3808 if (!ov_text)
3696 return; 3809 return;
3697 3810
3698 // swap screen mem with overlay 3811 // swap screen mem with overlay
3699 for (int y = ov_h; y--; ) 3812 for (int y = ov_h; y--; )
3700 { 3813 {
3701 text_t *t1 = ov_text[y]; 3814 text_t *t1 = ov_text[y];
3702 rend_t *r1 = ov_rend[y]; 3815 rend_t *r1 = ov_rend[y];
3703 3816
3704 text_t *t2 = ROW(y + ov_y - view_start).t + ov_x; 3817 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3705 rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x; 3818 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3706 3819
3707 for (int x = ov_w; x--; ) 3820 for (int x = ov_w; x--; )
3708 { 3821 {
3709 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3822 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3710 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3823 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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