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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.173 by root, Mon Dec 19 02:16:24 2005 UTC vs.
Revision 1.253 by root, Fri Jan 27 18:36:43 2006 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*--------------------------------*-C-*--------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */ 31#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 32
32#include <inttypes.h> 33#include <inttypes.h>
33 34
46 47
47/* ------------------------------------------------------------------------- * 48/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 50 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 51#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 52 if (OPTION (Opt_scrollTtyOutput)) \
52 view_start = 0 53 view_start = 0
53#define CLEAR_SELECTION() \ 54#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 57#define CLEAR_ALL_SELECTION() \
92 */ 93 */
93#define drawBuffer vt 94#define drawBuffer vt
94 95
95#define CLEAR_ROWS(row, num) \ 96#define CLEAR_ROWS(row, num) \
96 if (mapped) \ 97 if (mapped) \
97 XClearArea (display->display, drawBuffer, 0, \ 98 XClearArea (xdisp, drawBuffer, 0, \
98 Row2Pixel (row), (unsigned int)width, \ 99 Row2Pixel (row), (unsigned int)width, \
99 (unsigned int)Height2Pixel (num), False) 100 (unsigned int)Height2Pixel (num), False)
100 101
101#define CLEAR_CHARS(x, y, num) \ 102#define CLEAR_CHARS(x, y, num) \
102 if (mapped) \ 103 if (mapped) \
103 XClearArea (display->display, drawBuffer, x, y, \ 104 XClearArea (xdisp, drawBuffer, x, y, \
104 (unsigned int)Width2Pixel (num), \ 105 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel (1), False) 106 (unsigned int)Height2Pixel (1), False)
106 107
107#define ERASE_ROWS(row, num) \ 108#define ERASE_ROWS(row, num) \
108 XFillRectangle (display->display, drawBuffer, gc, \ 109 XFillRectangle (xdisp, drawBuffer, gc, \
109 0, Row2Pixel (row), \ 110 0, Row2Pixel (row), \
110 (unsigned int)width, \ 111 (unsigned int)width, \
111 (unsigned int)Height2Pixel (num)) 112 (unsigned int)Height2Pixel (num))
112 113
113/* ------------------------------------------------------------------------- * 114/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 115 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 116 * ------------------------------------------------------------------------- */
116 117
117/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
118void 119void
119rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 120rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120{ 121{
122 if (!l.t)
123 {
124 lalloc (l);
125 col = 0;
126 width = ncol;
127 }
128
129 l.touch ();
130
121 efs &= ~RS_baseattrMask; 131 efs &= ~RS_baseattrMask;
122 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
123 133
124 text_t *et = l.t + col; 134 text_t *et = l.t + col;
125 rend_t *er = l.r + col; 135 rend_t *er = l.r + col;
132} 142}
133 143
134/* ------------------------------------------------------------------------- */ 144/* ------------------------------------------------------------------------- */
135/* Fill a full line with blanks - make sure it is allocated first */ 145/* Fill a full line with blanks - make sure it is allocated first */
136void 146void
137rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
138{ 148{
139 if (!l.t)
140 lalloc (l);
141
142 scr_blank_line (l, 0, ncol, efs); 149 scr_blank_line (l, 0, ncol, efs);
150
151 l.l = 0;
152 l.f = 0;
143} 153}
144 154
145/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
146 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
147 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
148void 159void
149rxvt_term::scr_reset () 160rxvt_term::scr_reset ()
150{ 161{
151 unsigned int p, q;
152 int k;
153
154#if ENABLE_OVERLAY 162#if ENABLE_OVERLAY
155 scr_overlay_off (); 163 scr_overlay_off ();
156#endif 164#endif
157 165
158 view_start = 0; 166 view_start = 0;
165 nrow = 24; 173 nrow = 24;
166 174
167 if (ncol == prev_ncol && nrow == prev_nrow) 175 if (ncol == prev_ncol && nrow == prev_nrow)
168 return; 176 return;
169 177
178 if (current_screen != PRIMARY)
179 scr_swap_screen ();
180
170 // we need at least two lines for wrapping to work correctly 181 // we need at least two lines for wrapping to work correctly
171 if (nrow + saveLines < 2) 182 while (nrow + saveLines < 2)
172 { 183 {
184 //TODO//FIXME
173 saveLines++; 185 saveLines++;
174 prev_nrow--; 186 prev_nrow--;
175 nscrolled++; 187 top_row--;
176 } 188 }
177 189
178 want_refresh = 1; 190 want_refresh = 1;
179 191
180 int prev_total_rows = prev_nrow + saveLines; 192 int prev_total_rows = prev_nrow + saveLines;
181 int total_rows = nrow + saveLines; 193 total_rows = nrow + saveLines;
182 194
183 screen.tscroll = 0; 195 screen.tscroll = 0;
184 screen.bscroll = nrow - 1; 196 screen.bscroll = nrow - 1;
185 197
186 if (!save) 198 if (!row_buf)
187 { 199 {
188 /* 200 /*
189 * first time called so just malloc everything: don't rely on realloc 201 * first time called so just malloc everything: don't rely on realloc
190 * Note: this is still needed so that all the scrollback lines are NULL
191 */ 202 */
192 nscrolled = 0; /* no saved lines */ 203 top_row = 0;
193 term_start = 0; 204 term_start = 0;
194 nsaved = 0;
195 205
196 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 206 talloc = new rxvt_salloc (ncol * sizeof (text_t));
197 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 207 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
198 208
199 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
200 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t)); 209 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
201 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 210 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
202 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t)); 211 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
203 212
204 screen.line = (line_t **)rxvt_calloc (nrow, sizeof (line_t *));
205
206 scr_update_term ();
207
208 for (p = nrow; p--; ) 213 for (int row = nrow; row--; )
209 { 214 {
210 scr_blank_screen_mem (*screen.line[p], DEFAULT_RSTYLE); 215 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 216 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE); 217 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213 } 218 }
214 219
215 memset (charsets, 'B', sizeof (charsets)); 220 memset (charsets, 'B', sizeof (charsets));
216 rstyle = DEFAULT_RSTYLE; 221 rstyle = DEFAULT_RSTYLE;
217 screen.flags = Screen_DefaultFlags; 222 screen.flags = Screen_DefaultFlags;
232 selection.text = NULL; 237 selection.text = NULL;
233 selection.len = 0; 238 selection.len = 0;
234 selection.op = SELECTION_CLEAR; 239 selection.op = SELECTION_CLEAR;
235 selection.screen = PRIMARY; 240 selection.screen = PRIMARY;
236 selection.clicks = 0; 241 selection.clicks = 0;
237 CLEAR_ALL_SELECTION (); 242 rvideo_state = rvideo_mode = false;
238 rvideo = 0;
239 } 243 }
240 else 244 else
241 { 245 {
242 /* 246 /*
243 * add or delete rows as appropriate 247 * add or delete rows as appropriate
244 */ 248 */
245 249
246 rxvt_salloc *old_ta; 250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra; 251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248 252
253#if 0
249 if (nrow < prev_nrow) 254 if (nrow < prev_nrow)
250 { 255 {
251 /* delete rows */
252 k = min (nscrolled, prev_nrow - nrow);
253 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255
256 for (p = nrow; p < prev_nrow; p++) 256 for (int row = nrow; row < prev_nrow; row++)
257 { 257 {
258 lfree (save[p + saveLines]);
259 lfree (swap_save[p]); 258 lfree (swap_buf [row]);
260 lfree (drawn[p]); 259 lfree (drawn_buf[row]);
261 } 260 }
261 }
262#endif
262 263
263 /* we have fewer rows so fix up cursor position */ 264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
264 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
265 266
266 scr_reset_realloc (); /* realloc _last_ */ 267 for (int row = min (nrow, prev_nrow); row--; )
268 {
269 lresize (drawn_buf[row]);
270 lresize (swap_buf [row]);
271 }
272
273 for (int row = prev_nrow; row < nrow; row++)
274 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
267 } 281
268 else if (nrow > prev_nrow) 282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row
285
286 if (top_row)
287 {
288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
289 // to come up with a lean and mean algorithm.
290
291 row_col_t ocur = screen.cur;
292 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
293
269 { 294 do
270 /* add rows */
271 scr_reset_realloc (); /* realloc _first_ */
272
273 int ocol = ncol;
274 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
275
276 k = min (nscrolled, nrow - prev_nrow);
277
278 for (p = prev_total_rows; p < total_rows; p++)
279 save[p].clear ();
280
281 for (p = prev_total_rows; p < total_rows - k; p++)
282 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
283
284 scr_update_term ();
285
286 for (p = prev_nrow; p < nrow; p++)
287 { 295 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE); 296 p = MOD (p - 1, prev_total_rows);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 }
291
292 if (k > 0)
293 {
294 scr_scroll_text (0, (int)nrow - 1, -k, 1);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nscrolled -= k;
298 }
299
300#ifdef DEBUG_STRICT 297#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow); 298 assert (old_buf [MOD (p, prev_total_rows)].t);
302#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1);
304#endif 299#endif
305 ncol = ocol; // save b/c scr_blank_screen_mem uses this
306 }
307
308 /* resize columns */
309 if (ncol != prev_ncol)
310 {
311 old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
312 old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
313
314 for (p = total_rows; p--; )
315 lresize (save[p]);
316
317 for (p = nrow; p--; )
318 {
319 lresize (drawn[p]);
320 lresize (swap_save[p]);
321 }
322
323 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
324
325 delete old_ta;
326 delete old_ra;
327 }
328
329#if 0
330 // re-wrap lines, this is rather ugly, possibly because I am too dumb
331 // to come up with a lean and mean algorithm.
332 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
333 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
334
335 text_t **tp = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
336 rend_t **rp = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
337 tlen_t *tl = (tlen_t *) rxvt_calloc (total_rows, sizeof (tlen_t));
338
339 for (p = 0; p < prev_total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D
340
341 p = prev_total_rows;
342 q = total_rows;
343
344 while (p > 0 && q > 0)
345 {
346 --p;
347
348 printf ("pq %d:%d\n", p, q);
349 if (save[p].t)
350 {
351 int llen = save[p].l; 300 int plines = 1;
301 int llen = old_buf [MOD (p, prev_total_rows)].l;
352 302
353 assert (llen >= 0); 303 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
354
355 while (p && save[p - 1].l < 0)
356 { 304 {
305 p = MOD (p - 1, prev_total_rows);
306
357 --p; 307 plines++;
358 llen += prev_ncol; 308 llen += prev_ncol;
359 } 309 }
360 310
361 int qlines = llen / ncol + 1; 311 int qlines = max (0, (llen - 1) / ncol) + 1;
312
313 // drop partial lines completely
314 if (q < qlines)
315 break;
316
317 q -= qlines;
318
362 int lofs = 0; 319 int lofs = 0;
320 line_t *qline;
363 321
364 q -= qlines; 322 // re-assemble the full line by destination lines
365
366 int qrow = q;
367
368 printf ("QL %d llen %d\n", qlines, llen);//D
369 for (; qlines--; qrow++) 323 for (int qrow = q; qlines--; qrow++)
370 { 324 {
325 qline = row_buf + qrow;
326 lalloc (*qline);
327 qline->l = ncol;
328 qline->is_longer (1);
329
330 int qcol = 0;
331
332 // see below for cursor adjustment rationale
371 if (qrow >= 0) 333 if (p == ocur.row)
334 screen.cur.row = q - (total_rows - nrow);
335
336 // fill a single destination line
337 while (lofs < llen && qcol < ncol)
372 { 338 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = -1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p; 339 int prow = lofs / prev_ncol;
382 int pcol = lofs % prev_ncol; 340 int pcol = lofs % prev_ncol;
383 341
342 prow = MOD (p + prow, prev_total_rows);
343
344 // we only adjust the cursor _row_ and put it into
345 // the topmost line of "long line" it was in, as
346 // this seems to upset applications/shells/readline
347 // least.
348 if (prow == ocur.row)
349 screen.cur.row = q - (total_rows - nrow);
350
351 line_t &pline = old_buf [prow];
352
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 353 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385 354
386 printf ("q %d lofs %d>%d len %d pq %d:%d p %d:%d q :%d\n", q, llen, lofs, len, prev_ncol, ncol, prow, pcol, qcol);
387
388 if (len <= 0)
389 {
390 tl [qrow] = qcol;
391
392 TODO
393 scr_blank_line (tp [qrow] + qcol, rp [qrow] + qcol,
394 ncol - qcol, DEFAULT_RSTYLE);
395
396 break;
397 }
398
399 assert (lofs < 1000);
400
401 memcpy (tp [qrow] + qcol, save[prow].t + pcol, len * sizeof (text_t)); 355 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 356 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
403 357
404 lofs += len; 358 lofs += len;
405 qcol += len; 359 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 } 360 }
411 else
412 lofs += ncol;
413 } 361 }
362
363 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
364 qline->is_longer (0);
365 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
414 } 366 }
367 while (p != pend && q > 0);
368
369 term_start = total_rows - nrow;
370 top_row = q - term_start;
371
372 // make sure all terminal lines exist
373 while (top_row > 0)
374 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
375 }
376 else
415 } 377 {
378 // if no scrollback exists (yet), wing, instead of wrap
379
380 for (int row = min (nrow, prev_nrow); row--; )
381 {
382 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
383 line_t &qline = row_buf [row];
416 384
417 free (screen.text); screen.text = tp; 385 qline = pline;
418 free (screen.rend); screen.rend = rp; 386 lresize (qline);
419 free (screen.tlen); screen.tlen = tl; 387 }
420 388
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 389 for (int row = prev_nrow; row < nrow; row++)
422#endif 390 {
391 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
392 }
423 393
424 if (tabs) 394 term_start = 0;
395 }
396
397 free (old_buf);
398 delete old_ta;
399 delete old_ra;
400
401 clamp_it (screen.cur.row, 0, nrow - 1);
402 clamp_it (screen.cur.col, 0, ncol - 1);
403
425 free (tabs); 404 free (tabs);
426 } 405 }
406
407 CLEAR_ALL_SELECTION ();
427 408
428 prev_nrow = nrow; 409 prev_nrow = nrow;
429 prev_ncol = ncol; 410 prev_ncol = ncol;
430 411
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char)); 412 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432 413
433 for (p = 0; p < ncol; p++) 414 for (int col = ncol; col--; )
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 415 tabs [col] = col % TABSIZE == 0;
416
417 if (current_screen != PRIMARY)
418 scr_swap_screen ();
435 419
436 tt_winch (); 420 tt_winch ();
437}
438 421
439void 422 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
440rxvt_term::scr_reset_realloc ()
441{
442 unsigned int total_rows = nrow + saveLines;
443
444 screen.line = (line_t **)rxvt_realloc (screen.line, nrow * sizeof (line_t *));
445 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
446 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
447 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
448 buf = (line_t *) rxvt_realloc (buf , total_rows * sizeof (line_t));
449} 423}
450 424
451/* ------------------------------------------------------------------------- */ 425/* ------------------------------------------------------------------------- */
452/* 426/*
453 * Free everything. That way malloc debugging can find leakage. 427 * Free everything. That way malloc debugging can find leakage.
454 */ 428 */
455void 429void
456rxvt_term::scr_release () 430rxvt_term::scr_release () NOTHROW
457{ 431{
458 unsigned int total_rows; 432 if (row_buf)
459 433 {
460 total_rows = nrow + saveLines;
461
462 delete talloc; talloc = 0; 434 delete talloc; talloc = 0;
463 delete ralloc; ralloc = 0; 435 delete ralloc; ralloc = 0;
464 436
465 free (screen.line); 437 free (row_buf);
466 free (save); 438 free (swap_buf);
467 free (swap_save);
468 free (drawn); 439 free (drawn_buf);
469 free (buf);
470 free (tabs); 440 free (tabs);
441
442 row_buf = 0; // signal that we freed all the arrays
443 }
471} 444}
472 445
473/* ------------------------------------------------------------------------- */ 446/* ------------------------------------------------------------------------- */
474/* 447/*
475 * Hard reset 448 * Hard reset
480 scr_release (); 453 scr_release ();
481 prev_nrow = prev_ncol = 0; 454 prev_nrow = prev_ncol = 0;
482 scr_reset (); 455 scr_reset ();
483 456
484 scr_clear (true); 457 scr_clear (true);
485 scr_refresh (SLOW_REFRESH); 458 scr_refresh ();
486} 459}
487 460
488/* ------------------------------------------------------------------------- * 461/* ------------------------------------------------------------------------- *
489 * PROCESS SCREEN COMMANDS * 462 * PROCESS SCREEN COMMANDS *
490 * ------------------------------------------------------------------------- */ 463 * ------------------------------------------------------------------------- */
492 * Save and Restore cursor 465 * Save and Restore cursor
493 * XTERM_SEQ: Save cursor : ESC 7 466 * XTERM_SEQ: Save cursor : ESC 7
494 * XTERM_SEQ: Restore cursor: ESC 8 467 * XTERM_SEQ: Restore cursor: ESC 8
495 */ 468 */
496void 469void
497rxvt_term::scr_cursor (int mode) 470rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
498{ 471{
499 screen_t *s; 472 screen_t *s;
500 473
501#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 474#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
502 if (current_screen == SECONDARY) 475 if (current_screen == SECONDARY)
526 set_font_style (); 499 set_font_style ();
527 break; 500 break;
528 } 501 }
529 502
530 /* boundary check in case screen size changed between SAVE and RESTORE */ 503 /* boundary check in case screen size changed between SAVE and RESTORE */
531 MIN_IT (s->cur.row, nrow - 1); 504 min_it (s->cur.row, nrow - 1);
532 MIN_IT (s->cur.col, ncol - 1); 505 min_it (s->cur.col, ncol - 1);
533#ifdef DEBUG_STRICT 506#ifdef DEBUG_STRICT
534 assert (s->cur.row >= 0); 507 assert (s->cur.row >= 0);
535 assert (s->cur.col >= 0); 508 assert (s->cur.col >= 0);
536#else /* drive with your eyes closed */
537 MAX_IT (s->cur.row, 0);
538 MAX_IT (s->cur.col, 0);
539#endif 509#endif
510}
511
512void
513rxvt_term::scr_swap_screen ()
514{
515 if (!OPTION (Opt_secondaryScreen))
516 return;
517
518 for (int i = prev_nrow; i--; )
519 ::swap (ROW(i), swap_buf [i]);
520
521 ::swap (screen.cur, swap.cur);
522
523 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
524 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
540} 525}
541 526
542/* ------------------------------------------------------------------------- */ 527/* ------------------------------------------------------------------------- */
543/* 528/*
544 * Swap between primary and secondary screens 529 * Swap between primary and secondary screens
545 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 530 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
546 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 531 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
547 */ 532 */
548int 533void
549rxvt_term::scr_change_screen (int scrn) 534rxvt_term::scr_change_screen (int scrn)
550{ 535{
551 int i; 536 if (scrn == current_screen)
537 return;
538
539 want_refresh = 1;
540 view_start = 0;
541
542 selection_check (2); /* check for boundary cross */
543
544 int i = current_screen; current_screen = scrn; scrn = i;
545
552#if NSCREENS 546#if NSCREENS
553 int offset; 547 if (OPTION (Opt_secondaryScreen))
554#endif
555
556 want_refresh = 1;
557
558 view_start = 0;
559
560 if (current_screen == scrn)
561 return scrn;
562
563 selection_check (2); /* check for boundary cross */
564
565 i = current_screen; current_screen = scrn; scrn = i;
566
567 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
568 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
569 MAX_IT (screen.cur.row, 0);
570 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
571 MAX_IT (screen.cur.col, 0);
572 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
573
574#if NSCREENS
575 if (options & Opt_secondaryScreen)
576 { 548 {
577 num_scr = 0; 549 num_scr = 0;
578 offset = saveLines;
579 550
580 for (i = prev_nrow; i--;) 551 scr_swap_screen ();
581 SWAP_IT (*(screen.line[i]), swap_save[i], line_t);
582 552
583 SWAP_IT (screen.charset, swap.charset, int16_t); 553 ::swap (screen.charset, swap.charset);
584 SWAP_IT (screen.flags, swap.flags, int); 554 ::swap (screen.flags, swap.flags);
585 screen.flags |= Screen_VisibleCursor; 555 screen.flags |= Screen_VisibleCursor;
586 swap.flags |= Screen_VisibleCursor; 556 swap.flags |= Screen_VisibleCursor;
587 } 557 }
588 else 558 else
589#endif 559#endif
590 if (options & Opt_secondaryScroll) 560 if (OPTION (Opt_secondaryScroll))
591 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 561 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
592
593 return scrn;
594} 562}
595 563
596// clear WrapNext indicator, solidifying position on next line 564// clear WrapNext indicator, solidifying position on next line
597void 565void
598rxvt_term::scr_do_wrap () 566rxvt_term::scr_do_wrap () NOTHROW
599{ 567{
600 if (!(screen.flags & Screen_WrapNext)) 568 if (!(screen.flags & Screen_WrapNext))
601 return; 569 return;
602 570
603 screen.flags &= ~Screen_WrapNext; 571 screen.flags &= ~Screen_WrapNext;
604 572
605 screen.cur.col = 0; 573 screen.cur.col = 0;
606 574
607 if (screen.cur.row == screen.bscroll) 575 if (screen.cur.row == screen.bscroll)
608 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 576 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
609 else if (screen.cur.row < nrow - 1) 577 else if (screen.cur.row < nrow - 1)
610 screen.cur.row++; 578 screen.cur.row++;
611} 579}
612 580
613/* ------------------------------------------------------------------------- */ 581/* ------------------------------------------------------------------------- */
614/* 582/*
615 * Change the colour for following text 583 * Change the colour for following text
616 */ 584 */
617void 585void
618rxvt_term::scr_color (unsigned int color, int fgbg) 586rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
619{ 587{
620 if (color > maxTermCOLOR) 588 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
621 color = fgbg; 589 color = fgbg;
622 590
623 if (fgbg == Color_fg) 591 if (fgbg == Color_fg)
624 rstyle = SET_FGCOLOR (rstyle, color); 592 rstyle = SET_FGCOLOR (rstyle, color);
625 else 593 else
629/* ------------------------------------------------------------------------- */ 597/* ------------------------------------------------------------------------- */
630/* 598/*
631 * Change the rendition style for following text 599 * Change the rendition style for following text
632 */ 600 */
633void 601void
634rxvt_term::scr_rendition (int set, int style) 602rxvt_term::scr_rendition (int set, int style) NOTHROW
635 { 603 {
636 if (set) 604 if (set)
637 rstyle |= style; 605 rstyle |= style;
638 else if (style == ~RS_None) 606 else if (style == ~RS_None)
639 rstyle = DEFAULT_RSTYLE; 607 rstyle = DEFAULT_RSTYLE;
640 else 608 else
641 rstyle &= ~style; 609 rstyle &= ~style;
642 } 610 }
643 611
644// set screen.line pointers to the actual lines in the save buffer
645void
646rxvt_term::scr_update_term ()
647{
648 for (int i = nrow; i--; )
649 screen.line[i] = save + saveLines + i;
650}
651
652/* ------------------------------------------------------------------------- */ 612/* ------------------------------------------------------------------------- */
653/* 613/*
654 * Scroll text between <row1> and <row2> inclusive, by <count> lines 614 * Scroll text between <row1> and <row2> inclusive, by <count> lines
655 * count positive ==> scroll up 615 * count positive ==> scroll up
656 * count negative ==> scroll down 616 * count negative ==> scroll down
657 * spec == 0 for normal routines
658 */ 617 */
659int 618int
660rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 619rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
661{ 620{
662 int i, j;
663
664 if (count == 0 || (row1 > row2)) 621 if (count == 0 || (row1 > row2))
665 return 0; 622 return 0;
666 623
667 want_refresh = 1; 624 want_refresh = 1;
625 num_scr += count;
668 626
669 if (row1 == 0 && count > 0 627 if (count > 0
628 && row1 == 0
670 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 629 && (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
630 {
631 top_row = max (top_row - count, -saveLines);
632
633 // scroll everything up 'count' lines
634 term_start = (term_start + count) % total_rows;
635
636 // sever bottommost line
671 { 637 {
672 nscrolled += count; 638 line_t &l = ROW(row2 - count);
673 639 l.is_longer (0);
674 if (nscrolled > saveLines) 640 l.touch ();
675 nscrolled = saveLines;
676
677 if ((options & Opt_scrollWithBuffer)
678 && view_start != 0
679 && view_start != saveLines)
680 scr_page (UP, count);
681 } 641 }
682 else if (!spec)
683 row1 += saveLines;
684 642
685 row2 += saveLines; 643 // erase newly scrolled-in lines
644 for (int i = count; i--; )
645 scr_blank_screen_mem (ROW(nrow - 1 - i), rstyle);
686 646
647 // now copy lines below the scroll region bottom to the
648 // bottom of the screen again, so they look as if they
649 // hadn't moved.
650 for (int i = nrow; --i > row2; )
651 {
652 line_t &l1 = ROW(i - count);
653 line_t &l2 = ROW(i);
654
655 ::swap (l1, l2);
656 l2.touch ();
657 }
658
659 // move and/or clear selection, if any
687 if (selection.op && current_screen == selection.screen) 660 if (selection.op && current_screen == selection.screen)
688 {
689 i = selection.beg.row + saveLines;
690 j = selection.end.row + saveLines;
691
692 if ((i < row1 && j > row1)
693 || (i < row2 && j > row2)
694 || (i - count < row1 && i >= row1)
695 || (i - count > row2 && i <= row2)
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 {
699 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 661 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 662 selection.beg.row -= count;
706 selection.end.row -= count; 663 selection.end.row -= count;
707 selection.mark.row -= count; 664 selection.mark.row -= count;
665
666 if (selection.beg.row < top_row
667 || selection.end.row < top_row
668 || selection.mark.row < top_row)
669 {
670 CLEAR_ALL_SELECTION ();
671 selection.op = SELECTION_CLEAR;
672 }
673 }
674
675 // finally move the view window, if desired
676 if (OPTION (Opt_scrollWithBuffer)
677 && view_start != 0
678 && view_start != -saveLines)
679 scr_page (UP, count);
680
681 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
682 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
683 }
684 else
685 {
686 if (selection.op && current_screen == selection.screen)
708 } 687 {
709 } 688 if ((selection.beg.row < row1 && selection.end.row > row1)
689 || (selection.beg.row < row2 && selection.end.row > row2)
690 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
691 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
692 || (selection.end.row - count < row1 && selection.end.row >= row1)
693 || (selection.end.row - count > row2 && selection.end.row <= row2))
694 {
695 CLEAR_ALL_SELECTION ();
696 selection.op = SELECTION_CLEAR;
697 }
698 else if (selection.end.row >= row1 && selection.end.row <= row2)
699 {
700 /* move selected region too */
701 selection.beg.row -= count;
702 selection.end.row -= count;
703 selection.mark.row -= count;
704
705 selection_check (0);
706 }
707 }
710 708
711 selection_check (0); /* _after_ nscrolled update */ 709 // use a simple and robust scrolling algorithm, this
710 // part of scr_scroll_text is not time-critical.
712 711
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1; 712 int rows = row2 - row1 + 1;
720 MIN_IT (count, i);
721 713
722 if (j > 0) 714 min_it (count, rows);
715
716 line_t *temp_buf = row_buf + total_rows;
717
718 for (int row = 0; row < rows; row++)
719 {
720 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
721
722 if (!IN_RANGE_EXC (row + count, 0, rows))
723 scr_blank_screen_mem (temp_buf [row], rstyle);
724 }
725
726 for (int row = 0; row < rows; row++)
727 ROW(row1 + row) = temp_buf [row];
723 { 728 }
724 /* scroll up */
725
726 /* Copy lines that will get clobbered by the rotation */
727 memcpy (buf, save + row1, count * sizeof (line_t));
728
729 /* Rotate lines */
730 i = row2 - row1 - count + 1;
731 memmove (save + row1, save + row1 + count, i * sizeof (line_t));
732
733 j = row2 - count + 1, i = count;
734 }
735 else /* if (j < 0) */
736 {
737 /* scroll down */
738
739 /* Copy lines that will get clobbered by the rotation */
740 for (i = 0, j = row2; i < count; i++, j--)
741 buf[i] = save[j];
742
743 /* Rotate lines */
744 for (j = row2, i = j - count; i >= row1; i--, j--)
745 save[j] = save[i];
746
747 j = row1, i = count;
748 count = -count;
749 }
750
751 /* Resurrect lines */
752 memcpy (save + j, buf, i * sizeof (line_t));
753
754 scr_update_term ();
755
756 if (!spec) /* line length may not equal ncol */
757 for (; i--; j++)
758 scr_blank_screen_mem (save[j], rstyle);
759 729
760 return count; 730 return count;
761} 731}
762 732
763/* ------------------------------------------------------------------------- */ 733/* ------------------------------------------------------------------------- */
764/* 734/*
765 * Add text given in <str> of length <len> to screen struct 735 * Add text given in <str> of length <len> to screen struct
766 */ 736 */
767void 737void
768rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 738rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
769{ 739{
770 if (len <= 0) /* sanity */ 740 if (len <= 0) /* sanity */
771 return; 741 return;
772 742
773 unsigned char checksel; 743 unsigned char checksel;
774 unicode_t c; 744 unicode_t c;
775 int row, last_col; 745 int ncol = this->ncol;
776 const unicode_t *strend = str + len; 746 const wchar_t *strend = str + len;
777 747
778 want_refresh = 1; 748 want_refresh = 1;
779 ZERO_SCROLLBACK (); 749 ZERO_SCROLLBACK ();
780 last_col = ncol;
781 750
782 if (nlines > 0) 751 if (minlines > 0)
783 { 752 {
784 nlines += screen.cur.row - screen.bscroll; 753 minlines += screen.cur.row - screen.bscroll;
754 min_it (minlines, screen.cur.row - top_row);
755
785 if ((nlines > 0) 756 if (minlines > 0
786 && (screen.tscroll == 0) 757 && screen.tscroll == 0
787 && (screen.bscroll == (nrow - 1))) 758 && screen.bscroll == nrow - 1)
788 { 759 {
789 /* _at least_ this many lines need to be scrolled */ 760 /* _at least_ this many lines need to be scrolled */
790 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 761 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
791 screen.cur.row -= nlines; 762 screen.cur.row -= minlines;
792 } 763 }
793 } 764 }
794 765
795#ifdef DEBUG_STRICT 766#ifdef DEBUG_STRICT
796 assert (screen.cur.col < last_col); 767 assert (screen.cur.col < ncol);
797 assert ((screen.cur.row < nrow) 768 assert (screen.cur.row < nrow
798 && (screen.cur.row >= - (int32_t)nscrolled)); 769 && screen.cur.row >= top_row);
799#else /* drive with your eyes closed */
800 MIN_IT (screen.cur.col, last_col - 1);
801 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
802 MAX_IT (screen.cur.row, - (int32_t)nscrolled);
803#endif 770#endif
804 row = screen.cur.row + saveLines; 771 int row = screen.cur.row;
805 772
806 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 773 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
807 774
808 line_t *line = save + row; 775 line_t *line = &ROW(row);
809 776
810 while (str < strend) 777 while (str < strend)
811 { 778 {
812 c = *str++; 779 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
813 780
814 if (c < 0x20) 781 if (c < 0x20)
815 if (c == C0_LF) 782 if (c == C0_LF)
816 { 783 {
817 if (line->l != -1) /* XXX: think about this */
818 MAX_IT (line->l, screen.cur.col); 784 max_it (line->l, screen.cur.col);
819 785
820 screen.flags &= ~Screen_WrapNext; 786 screen.flags &= ~Screen_WrapNext;
821 787
822 if (screen.cur.row == screen.bscroll) 788 if (screen.cur.row == screen.bscroll)
823 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 789 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
824 else if (screen.cur.row < (nrow - 1)) 790 else if (screen.cur.row < (nrow - 1))
825 row = (++screen.cur.row) + saveLines; 791 row = ++screen.cur.row;
826 792
827 line = save + row; /* _must_ refresh */ 793 line = &ROW(row); /* _must_ refresh */
828 continue; 794 continue;
829 } 795 }
830 else if (c == C0_CR) 796 else if (c == C0_CR)
831 { 797 {
832 if (line->l != -1) /* XXX: think about this */
833 MAX_IT (line->l, screen.cur.col); 798 max_it (line->l, screen.cur.col);
834 799
835 screen.flags &= ~Screen_WrapNext; 800 screen.flags &= ~Screen_WrapNext;
836 screen.cur.col = 0; 801 screen.cur.col = 0;
837 continue; 802 continue;
838 } 803 }
855 CLEAR_SELECTION (); 820 CLEAR_SELECTION ();
856 } 821 }
857 822
858 if (screen.flags & Screen_WrapNext) 823 if (screen.flags & Screen_WrapNext)
859 { 824 {
860 line->l = -1;
861
862 scr_do_wrap (); 825 scr_do_wrap ();
863 826
827 line->l = ncol;
828 line->is_longer (1);
829
864 row = screen.cur.row + saveLines; 830 row = screen.cur.row;
865 line = save + row; /* _must_ refresh */ 831 line = &ROW(row); /* _must_ refresh */
866 } 832 }
867 833
868 // some utf-8 decoders "decode" surrogate characters: let's fix this. 834 // some utf-8 decoders "decode" surrogate characters: let's fix this.
869 if (IN_RANGE (c, 0xd800, 0xdfff)) 835 if (IN_RANGE_INC (c, 0xd800, 0xdfff))
870 c = 0xfffd; 836 c = 0xfffd;
871 837
872 // rely on wcwidth to tell us the character width, at least for non-latin1 838 // rely on wcwidth to tell us the character width, do wcwidth before
873 // do wcwidth before further replacements, as wcwidth might return -1 839 // further replacements, as wcwidth might return -1 for the line
874 // for the line drawing characters below as they might be invalid in the current 840 // drawing characters below as they might be invalid in the current
875 // locale. 841 // locale.
876 int width = c < 0x100 ? 1 : wcwidth (c); 842 int width = WCWIDTH (c);
877 843
878 if (charsets[screen.charset] == '0') // DEC SPECIAL 844 if (charsets [screen.charset] == '0') // DEC SPECIAL
879 { 845 {
880 // vt100 special graphics and line drawing 846 // vt100 special graphics and line drawing
881 // 5f-7e standard vt100 847 // 5f-7e standard vt100
882 // 40-5e rxvt extension for extra curses acs chars 848 // 40-5e rxvt extension for extra curses acs chars
883 static uint16_t vt100_0[62] = { // 41 .. 7e 849 static uint16_t vt100_0[62] = { // 41 .. 7e
935 } 901 }
936 902
937 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 903 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
938 904
939 // if the character doesn't fit into the remaining columns... 905 // if the character doesn't fit into the remaining columns...
940 if (screen.cur.col > last_col - width && last_col >= width) 906 if (screen.cur.col > ncol - width && ncol >= width)
941 { 907 {
942 // ...output spaces 908 // ...output spaces
943 c = ' '; 909 c = ' ';
944 // and try the same character next loop iteration 910 // and try the same character next loop iteration
945 --str; 911 --str;
946 } 912 }
947 913
914 line->touch ();
915
948 do 916 do
949 { 917 {
950 line->t[screen.cur.col] = c; 918 line->t[screen.cur.col] = c;
951 line->r[screen.cur.col] = rend; 919 line->r[screen.cur.col] = rend;
952 920
953 if (screen.cur.col < last_col - 1) 921 if (screen.cur.col < ncol - 1)
954 screen.cur.col++; 922 screen.cur.col++;
955 else 923 else
956 { 924 {
957 line->l = last_col; 925 line->l = ncol;
958 if (screen.flags & Screen_Autowrap) 926 if (screen.flags & Screen_Autowrap)
959 screen.flags |= Screen_WrapNext; 927 screen.flags |= Screen_WrapNext;
960 break; 928 break;
961 } 929 }
962 930
964 } 932 }
965 while (--width > 0); 933 while (--width > 0);
966 934
967 // pad with spaces when overwriting wide character with smaller one 935 // pad with spaces when overwriting wide character with smaller one
968 if (!width) 936 if (!width)
937 {
938 line->touch ();
939
969 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 940 for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
970 { 941 {
971 line->t[c] = ' '; 942 line->t[c] = ' ';
972 line->r[c] = rend; 943 line->r[c] = rend;
973 } 944 }
945 }
974 } 946 }
975 else // width == 0 947 else // width == 0
976 { 948 {
977#if ENABLE_COMBINING 949#if ENABLE_COMBINING
978 // handle combining characters 950 // handle combining characters
979 // we just tag the accent on the previous on-screen character. 951 // we just tag the accent on the previous on-screen character.
980 // this is arguably not correct, but also arguably not wrong. 952 // this is arguably not correct, but also arguably not wrong.
981 // we don't handle double-width characters nicely yet. 953 // we don't handle double-width characters nicely yet.
954 line_t *linep;
982 text_t *tp; 955 text_t *tp;
983 rend_t *rp; 956 rend_t *rp;
984 957
985 if (screen.cur.col > 0) 958 if (screen.cur.col > 0)
986 { 959 {
960 linep = line;
987 tp = line->t + screen.cur.col - 1; 961 tp = line->t + screen.cur.col - 1;
988 rp = line->r + screen.cur.col - 1; 962 rp = line->r + screen.cur.col - 1;
989
990 while (*tp == NOCHAR && tp > line->t)
991 tp--, rp--;
992 } 963 }
993 else if (screen.cur.row > 0 964 else if (screen.cur.row > 0
994 && save [screen.cur.row - 1 + saveLines].is_cont ()) 965 && ROW(screen.cur.row - 1).is_longer ())
995 { 966 {
996 line_t *line = save + (screen.cur.row - 1 + saveLines); 967 linep = &ROW(screen.cur.row - 1);
997
998 tp = line->t + last_col - 1; 968 tp = line->t + ncol - 1;
999 rp = line->r + last_col - 1; 969 rp = line->r + ncol - 1;
1000
1001 while (*tp == NOCHAR && tp > line->t)
1002 tp--, rp--;
1003 } 970 }
1004 else 971 else
1005 continue; 972 continue;
973
974 linep->touch ();
975
976 while (*tp == NOCHAR && tp > linep->t)
977 tp--, rp--;
1006 978
1007 // first try to find a precomposed character 979 // first try to find a precomposed character
1008 unicode_t n = rxvt_compose (*tp, c); 980 unicode_t n = rxvt_compose (*tp, c);
1009 if (n == NOCHAR) 981 if (n == NOCHAR)
1010 n = rxvt_composite.compose (*tp, c); 982 n = rxvt_composite.compose (*tp, c);
1013 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 985 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1014#endif 986#endif
1015 } 987 }
1016 } 988 }
1017 989
1018 if (line->l != -1) /* XXX: think about this */
1019 MAX_IT (line->l, screen.cur.col); 990 max_it (line->l, screen.cur.col);
1020 991
1021#ifdef DEBUG_STRICT 992#ifdef DEBUG_STRICT
1022 assert (screen.cur.row >= 0); 993 assert (screen.cur.row >= 0);
1023#else /* drive with your eyes closed */
1024 MAX_IT (screen.cur.row, 0);
1025#endif 994#endif
1026} 995}
1027 996
1028/* ------------------------------------------------------------------------- */ 997/* ------------------------------------------------------------------------- */
1029/* 998/*
1030 * Process Backspace. Move back the cursor back a position, wrap if have to 999 * Process Backspace. Move back the cursor back a position, wrap if have to
1031 * XTERM_SEQ: CTRL-H 1000 * XTERM_SEQ: CTRL-H
1032 */ 1001 */
1033void 1002void
1034rxvt_term::scr_backspace () 1003rxvt_term::scr_backspace () NOTHROW
1035{ 1004{
1036 want_refresh = 1; 1005 want_refresh = 1;
1037 1006
1038 if (screen.cur.col == 0) 1007 if (screen.cur.col == 0)
1039 { 1008 {
1057 * Process Horizontal Tab 1026 * Process Horizontal Tab
1058 * count: +ve = forward; -ve = backwards 1027 * count: +ve = forward; -ve = backwards
1059 * XTERM_SEQ: CTRL-I 1028 * XTERM_SEQ: CTRL-I
1060 */ 1029 */
1061void 1030void
1062rxvt_term::scr_tab (int count, bool ht) 1031rxvt_term::scr_tab (int count, bool ht) NOTHROW
1063{ 1032{
1064 int i, x; 1033 int i, x;
1065 1034
1066 want_refresh = 1; 1035 want_refresh = 1;
1067 i = x = screen.cur.col; 1036 i = x = screen.cur.col;
1068 1037
1069 if (count == 0) 1038 if (count == 0)
1070 return; 1039 return;
1071 else if (count > 0) 1040 else if (count > 0)
1072 { 1041 {
1073 int row = saveLines + screen.cur.row; 1042 line_t &l = ROW(screen.cur.row);
1074
1075 line_t &l = save[row];
1076 rend_t base_rend = l.r[i]; 1043 rend_t base_rend = l.r[i];
1077 ht &= l.t[i] == ' '; 1044 ht &= l.t[i] == ' ';
1078 1045
1079 for (; ++i < ncol; ) 1046 for (; ++i < ncol; )
1080 if (tabs[i]) 1047 if (tabs[i])
1081 { 1048 {
1082 x = i; 1049 x = i;
1050
1083 if (!--count) 1051 if (!--count)
1084 break; 1052 break;
1085 } 1053 }
1086 else 1054 else
1087 ht &= l.t[i] == ' ' 1055 ht &= l.t[i] == ' '
1090 if (count) 1058 if (count)
1091 x = ncol - 1; 1059 x = ncol - 1;
1092 1060
1093 // store horizontal tab commands as characters inside the text 1061 // store horizontal tab commands as characters inside the text
1094 // buffer so they can be selected and pasted. 1062 // buffer so they can be selected and pasted.
1095 if (ht && options & Opt_pastableTabs) 1063 if (ht && OPTION (Opt_pastableTabs))
1096 { 1064 {
1097 base_rend = SET_FONT (base_rend, 0); 1065 base_rend = SET_FONT (base_rend, 0);
1098 1066
1099 if (l.l != -1) /* XXX: think about this */ 1067 l.touch (x);
1100 MAX_IT (l.l, x);
1101 1068
1102 i = screen.cur.col; 1069 i = screen.cur.col;
1103 1070
1104 l.t[i] = '\t'; 1071 l.t[i] = '\t';
1105 l.r[i] = base_rend; 1072 l.r[i] = base_rend;
1136 * Move cursor left in row. If we're at the left boundary, shift everything 1103 * Move cursor left in row. If we're at the left boundary, shift everything
1137 * in that row right. Clear left column. 1104 * in that row right. Clear left column.
1138 */ 1105 */
1139#if ENABLE_FRILLS 1106#if ENABLE_FRILLS
1140void 1107void
1141rxvt_term::scr_backindex () 1108rxvt_term::scr_backindex () NOTHROW
1142{ 1109{
1143 if (screen.cur.col > 0) 1110 if (screen.cur.col > 0)
1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1111 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1145 else 1112 else
1146 {
1147 if (save[screen.cur.row + saveLines].l == 0)
1148 return; /* um, yeah? */
1149
1150 scr_insdel_chars (1, INSERT); 1113 scr_insdel_chars (1, INSERT);
1151 }
1152} 1114}
1153#endif 1115#endif
1154/* ------------------------------------------------------------------------- */ 1116/* ------------------------------------------------------------------------- */
1155/* 1117/*
1156 * Process DEC Forward Index 1118 * Process DEC Forward Index
1158 * Move cursor right in row. If we're at the right boundary, shift everything 1120 * Move cursor right in row. If we're at the right boundary, shift everything
1159 * in that row left. Clear right column. 1121 * in that row left. Clear right column.
1160 */ 1122 */
1161#if ENABLE_FRILLS 1123#if ENABLE_FRILLS
1162void 1124void
1163rxvt_term::scr_forwardindex () 1125rxvt_term::scr_forwardindex () NOTHROW
1164{ 1126{
1165 int row;
1166
1167 if (screen.cur.col < ncol - 1) 1127 if (screen.cur.col < ncol - 1)
1168 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1128 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1169 else 1129 else
1170 { 1130 {
1171 row = screen.cur.row + saveLines; 1131 line_t &l = ROW(screen.cur.row);
1172 1132
1173 if (save[row].l == 0) 1133 l.touch ();
1174 return; /* um, yeah? */ 1134 l.is_longer (0);
1175 else if (save[row].is_cont ())
1176 save[row].l = ncol;
1177 1135
1178 scr_gotorc (0, 0, R_RELATIVE); 1136 scr_gotorc (0, 0, R_RELATIVE);
1179 scr_insdel_chars (1, DELETE); 1137 scr_insdel_chars (1, DELETE);
1180 scr_gotorc (0, ncol - 1, R_RELATIVE); 1138 scr_gotorc (0, ncol - 1, R_RELATIVE);
1181 } 1139 }
1185/* ------------------------------------------------------------------------- */ 1143/* ------------------------------------------------------------------------- */
1186/* 1144/*
1187 * Goto Row/Column 1145 * Goto Row/Column
1188 */ 1146 */
1189void 1147void
1190rxvt_term::scr_gotorc (int row, int col, int relative) 1148rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1191{ 1149{
1192 want_refresh = 1; 1150 want_refresh = 1;
1193 ZERO_SCROLLBACK (); 1151 ZERO_SCROLLBACK ();
1194 1152
1195 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1153 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1196 MAX_IT (screen.cur.col, 0); 1154 clamp_it (screen.cur.col, 0, ncol - 1);
1197 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1198 1155
1199 screen.flags &= ~Screen_WrapNext; 1156 screen.flags &= ~Screen_WrapNext;
1200 1157
1201 if (relative & R_RELATIVE) 1158 if (relative & R_RELATIVE)
1202 { 1159 {
1220 else 1177 else
1221 { 1178 {
1222 if (screen.flags & Screen_Relative) 1179 if (screen.flags & Screen_Relative)
1223 { /* relative origin mode */ 1180 { /* relative origin mode */
1224 screen.cur.row = row + screen.tscroll; 1181 screen.cur.row = row + screen.tscroll;
1225 MIN_IT (screen.cur.row, screen.bscroll); 1182 min_it (screen.cur.row, screen.bscroll);
1226 } 1183 }
1227 else 1184 else
1228 screen.cur.row = row; 1185 screen.cur.row = row;
1229 } 1186 }
1230 1187
1231 MAX_IT (screen.cur.row, 0); 1188 clamp_it (screen.cur.row, 0, nrow - 1);
1232 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1233} 1189}
1234 1190
1235/* ------------------------------------------------------------------------- */ 1191/* ------------------------------------------------------------------------- */
1236/* 1192/*
1237 * direction should be UP or DN 1193 * direction should be UP or DN
1238 */ 1194 */
1239void 1195void
1240rxvt_term::scr_index (enum page_dirn direction) 1196rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1241{ 1197{
1242 int dirn; 1198 int dirn;
1243 1199
1244 want_refresh = 1; 1200 want_refresh = 1;
1245 ZERO_SCROLLBACK (); 1201 ZERO_SCROLLBACK ();
1248 1204
1249 screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1250 1206
1251 if ((screen.cur.row == screen.bscroll && direction == UP) 1207 if ((screen.cur.row == screen.bscroll && direction == UP)
1252 || (screen.cur.row == screen.tscroll && direction == DN)) 1208 || (screen.cur.row == screen.tscroll && direction == DN))
1253 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1209 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1254 else 1210 else
1255 screen.cur.row += dirn; 1211 screen.cur.row += dirn;
1256 1212
1257 MAX_IT (screen.cur.row, 0); 1213 clamp_it (screen.cur.row, 0, nrow - 1);
1258 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1259 selection_check (0); 1214 selection_check (0);
1260} 1215}
1261 1216
1262/* ------------------------------------------------------------------------- */ 1217/* ------------------------------------------------------------------------- */
1263/* 1218/*
1265 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1220 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1266 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1221 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1267 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1222 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1268 */ 1223 */
1269void 1224void
1270rxvt_term::scr_erase_line (int mode) 1225rxvt_term::scr_erase_line (int mode) NOTHROW
1271{ 1226{
1272 unsigned int row, col, num; 1227 unsigned int col, num;
1273 1228
1274 want_refresh = 1; 1229 want_refresh = 1;
1275 ZERO_SCROLLBACK (); 1230 ZERO_SCROLLBACK ();
1276 1231
1277 selection_check (1); 1232 selection_check (1);
1278 1233
1279 row = saveLines + screen.cur.row; 1234 line_t &line = ROW(screen.cur.row);
1235
1236 line.touch ();
1237 line.is_longer (0);
1280 1238
1281 switch (mode) 1239 switch (mode)
1282 { 1240 {
1283 case 0: /* erase to end of line */ 1241 case 0: /* erase to end of line */
1284 col = screen.cur.col; 1242 col = screen.cur.col;
1285 num = ncol - col; 1243 num = ncol - col;
1286 MIN_IT (save[row].l, (int16_t)col); 1244 min_it (line.l, col);
1287 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1245 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1288 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1246 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1289 CLEAR_SELECTION (); 1247 CLEAR_SELECTION ();
1290 break; 1248 break;
1291 case 1: /* erase to beginning of line */ 1249 case 1: /* erase to beginning of line */
1296 CLEAR_SELECTION (); 1254 CLEAR_SELECTION ();
1297 break; 1255 break;
1298 case 2: /* erase whole line */ 1256 case 2: /* erase whole line */
1299 col = 0; 1257 col = 0;
1300 num = ncol; 1258 num = ncol;
1301 save[row].l = 0; 1259 line.l = 0;
1302 if (selection.beg.row <= screen.cur.row 1260 if (selection.beg.row <= screen.cur.row
1303 && selection.end.row >= screen.cur.row) 1261 && selection.end.row >= screen.cur.row)
1304 CLEAR_SELECTION (); 1262 CLEAR_SELECTION ();
1305 break; 1263 break;
1306 default: 1264 default:
1307 return; 1265 return;
1308 } 1266 }
1309 1267
1310 if (save[row].t)
1311 scr_blank_line (save[row], col, num, rstyle); 1268 scr_blank_line (line, col, num, rstyle);
1312 else
1313 scr_blank_screen_mem (save[row], rstyle);
1314} 1269}
1315 1270
1316/* ------------------------------------------------------------------------- */ 1271/* ------------------------------------------------------------------------- */
1317/* 1272/*
1318 * Erase part of whole of the screen 1273 * Erase part of whole of the screen
1319 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1274 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1320 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1275 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1321 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1276 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1322 */ 1277 */
1323void 1278void
1324rxvt_term::scr_erase_screen (int mode) 1279rxvt_term::scr_erase_screen (int mode) NOTHROW
1325{ 1280{
1326 int num; 1281 int num;
1327 int32_t row, row_offset; 1282 int32_t row;
1328 rend_t ren; 1283 rend_t ren;
1329 XGCValues gcvalue; 1284 XGCValues gcvalue;
1330 1285
1331 want_refresh = 1; 1286 want_refresh = 1;
1332 ZERO_SCROLLBACK (); 1287 ZERO_SCROLLBACK ();
1333
1334 row_offset = (int32_t)saveLines;
1335 1288
1336 switch (mode) 1289 switch (mode)
1337 { 1290 {
1338 case 0: /* erase to end of screen */ 1291 case 0: /* erase to end of screen */
1339 selection_check (1); 1292 selection_check (1);
1363 CLEAR_SELECTION (); 1316 CLEAR_SELECTION ();
1364 1317
1365 if (row >= nrow) /* Out Of Bounds */ 1318 if (row >= nrow) /* Out Of Bounds */
1366 return; 1319 return;
1367 1320
1368 MIN_IT (num, (nrow - row)); 1321 min_it (num, nrow - row);
1369 1322
1370 if (rstyle & (RS_RVid | RS_Uline)) 1323 if (rstyle & (RS_RVid | RS_Uline))
1371 ren = (rend_t) ~RS_None; 1324 ren = (rend_t) ~RS_None;
1372 else if (GET_BASEBG (rstyle) == Color_bg) 1325 else if (GET_BASEBG (rstyle) == Color_bg)
1373 { 1326 {
1375 CLEAR_ROWS (row, num); 1328 CLEAR_ROWS (row, num);
1376 } 1329 }
1377 else 1330 else
1378 { 1331 {
1379 ren = rstyle & (RS_fgMask | RS_bgMask); 1332 ren = rstyle & (RS_fgMask | RS_bgMask);
1380 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1333 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1381 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1334 XChangeGC (xdisp, gc, GCForeground, &gcvalue);
1382 ERASE_ROWS (row, num); 1335 ERASE_ROWS (row, num);
1383 gcvalue.foreground = pix_colors[Color_fg]; 1336 gcvalue.foreground = pix_colors[Color_fg];
1384 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1337 XChangeGC (xdisp, gc, GCForeground, &gcvalue);
1385 } 1338 }
1386 1339
1387 for (; num--; row++) 1340 for (; num--; row++)
1388 { 1341 {
1389 scr_blank_screen_mem (save[row + row_offset], rstyle); 1342 scr_blank_screen_mem (ROW(row), rstyle);
1390 save[row + row_offset].l = 0;
1391 scr_blank_line (drawn[row], 0, ncol, ren); 1343 scr_blank_line (drawn_buf [row], 0, ncol, ren);
1392 } 1344 }
1393} 1345}
1394 1346
1395#if ENABLE_FRILLS 1347#if ENABLE_FRILLS
1396void 1348void
1397rxvt_term::scr_erase_savelines () 1349rxvt_term::scr_erase_savelines () NOTHROW
1398{ 1350{
1399 want_refresh = 1; 1351 want_refresh = 1;
1400 ZERO_SCROLLBACK (); 1352 ZERO_SCROLLBACK ();
1401 1353
1402 nscrolled = 0; 1354 top_row = 0;
1403} 1355}
1404#endif 1356#endif
1405 1357
1406/* ------------------------------------------------------------------------- */ 1358/* ------------------------------------------------------------------------- */
1407/* 1359/*
1408 * Fill the screen with `E's 1360 * Fill the screen with `E's
1409 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1361 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1410 */ 1362 */
1411void 1363void
1412rxvt_term::scr_E () 1364rxvt_term::scr_E () NOTHROW
1413{ 1365{
1414 int i, j, k;
1415 rend_t *r1, fs; 1366 rend_t fs;
1416 1367
1417 want_refresh = 1; 1368 want_refresh = 1;
1418 ZERO_SCROLLBACK (); 1369 ZERO_SCROLLBACK ();
1419 1370
1420 num_scr_allow = 0; 1371 num_scr_allow = 0;
1421 selection_check (3); 1372 selection_check (3);
1422 1373
1423 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1374 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1424 for (k = saveLines, i = nrow; i--; k++) 1375 for (int row = nrow; row--; )
1425 { 1376 {
1426 save[k].l = ncol; /* make the `E's selectable */ 1377 line_t &line = ROW(row);
1378
1427 fill_text (save[k].t, 'E', ncol); 1379 fill_text (line.t, 'E', ncol);
1428 for (r1 = save[k].r, j = ncol; j--; ) 1380 rend_t *r1 = line.r;
1381
1382 for (int j = ncol; j--; )
1429 *r1++ = fs; 1383 *r1++ = fs;
1384
1385 line.is_longer (0);
1386 line.touch (ncol);
1430 } 1387 }
1431} 1388}
1432 1389
1433/* ------------------------------------------------------------------------- */ 1390/* ------------------------------------------------------------------------- */
1434/* 1391/*
1435 * Insert/Delete <count> lines 1392 * Insert/Delete <count> lines
1436 */ 1393 */
1437void 1394void
1438rxvt_term::scr_insdel_lines (int count, int insdel) 1395rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1439{ 1396{
1440 int end; 1397 int end;
1441 1398
1442 ZERO_SCROLLBACK (); 1399 ZERO_SCROLLBACK ();
1443 1400
1455 count = end; 1412 count = end;
1456 } 1413 }
1457 1414
1458 scr_do_wrap (); 1415 scr_do_wrap ();
1459 1416
1460 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1417 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1461} 1418}
1462 1419
1463/* ------------------------------------------------------------------------- */ 1420/* ------------------------------------------------------------------------- */
1464/* 1421/*
1465 * Insert/Delete <count> characters from the current position 1422 * Insert/Delete <count> characters from the current position
1466 */ 1423 */
1467void 1424void
1468rxvt_term::scr_insdel_chars (int count, int insdel) 1425rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1469{ 1426{
1470 int col, row; 1427 int col, row;
1471 rend_t tr; 1428 rend_t tr;
1472 1429
1473 want_refresh = 1; 1430 want_refresh = 1;
1477 return; 1434 return;
1478 1435
1479 scr_do_wrap (); 1436 scr_do_wrap ();
1480 1437
1481 selection_check (1); 1438 selection_check (1);
1482 MIN_IT (count, (ncol - screen.cur.col)); 1439 min_it (count, ncol - screen.cur.col);
1483 1440
1484 row = screen.cur.row + saveLines; 1441 row = screen.cur.row;
1485 1442
1486 line_t *line = save + row; 1443 line_t *line = &ROW(row);
1444
1445 line->touch ();
1446 line->is_longer (0);
1487 1447
1488 switch (insdel) 1448 switch (insdel)
1489 { 1449 {
1490 case INSERT: 1450 case INSERT:
1491 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1451 for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1492 { 1452 {
1493 line->t[col] = line->t[col - count]; 1453 line->t[col] = line->t[col - count];
1494 line->r[col] = line->r[col - count]; 1454 line->r[col] = line->r[col - count];
1495 } 1455 }
1496 1456
1497 if (line->l != -1) 1457 line->l = min (line->l + count, ncol);
1498 {
1499 line->l += count;
1500 MIN_IT (line->l, ncol);
1501 }
1502 1458
1503 if (selection.op && current_screen == selection.screen 1459 if (selection.op && current_screen == selection.screen
1504 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1460 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1505 { 1461 {
1506 if (selection.end.row != screen.cur.row 1462 if (selection.end.row != screen.cur.row
1512 selection.mark.col += count; /* XXX: yes? */ 1468 selection.mark.col += count; /* XXX: yes? */
1513 selection.end.col += count; 1469 selection.end.col += count;
1514 } 1470 }
1515 } 1471 }
1516 1472
1517 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1473 scr_blank_line (*line, screen.cur.col, count, rstyle);
1518 break; 1474 break;
1519 1475
1520 case ERASE: 1476 case ERASE:
1521 screen.cur.col += count; /* don't worry if > ncol */ 1477 screen.cur.col += count; /* don't worry if > ncol */
1522 selection_check (1); 1478 selection_check (1);
1523 screen.cur.col -= count; 1479 screen.cur.col -= count;
1480
1481 line->l = max (line->l - count, 0);
1524 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1482 scr_blank_line (*line, screen.cur.col, count, rstyle);
1525 break; 1483 break;
1526 1484
1527 case DELETE: 1485 case DELETE:
1528 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1486 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
1529 1487
1531 { 1489 {
1532 line->t[col] = line->t[col + count]; 1490 line->t[col] = line->t[col + count];
1533 line->r[col] = line->r[col + count]; 1491 line->r[col] = line->r[col + count];
1534 } 1492 }
1535 1493
1494 line->l = max (line->l - count, 0);
1536 scr_blank_line (*line, ncol - count, count, tr); 1495 scr_blank_line (*line, ncol - count, count, tr);
1537
1538 if (line->is_cont ()) /* break line continuation */
1539 line->l = ncol;
1540
1541 line->l -= count;
1542 MAX_IT (line->l, 0);
1543 1496
1544 if (selection.op && current_screen == selection.screen 1497 if (selection.op && current_screen == selection.screen
1545 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1498 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1546 { 1499 {
1547 if (selection.end.row != screen.cur.row 1500 if (selection.end.row != screen.cur.row
1565/* 1518/*
1566 * Set the scrolling region 1519 * Set the scrolling region
1567 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1520 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1568 */ 1521 */
1569void 1522void
1570rxvt_term::scr_scroll_region (int top, int bot) 1523rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1571{ 1524{
1572 MAX_IT (top, 0); 1525 max_it (top, 0);
1573 MIN_IT (bot, (int)nrow - 1); 1526 min_it (bot, nrow - 1);
1574 1527
1575 if (top > bot) 1528 if (top > bot)
1576 return; 1529 return;
1577 1530
1578 screen.tscroll = top; 1531 screen.tscroll = top;
1585 * Make the cursor visible/invisible 1538 * Make the cursor visible/invisible
1586 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1539 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1587 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1540 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1588 */ 1541 */
1589void 1542void
1590rxvt_term::scr_cursor_visible (int mode) 1543rxvt_term::scr_cursor_visible (int mode) NOTHROW
1591{ 1544{
1592 want_refresh = 1; 1545 want_refresh = 1;
1593 1546
1594 if (mode) 1547 if (mode)
1595 screen.flags |= Screen_VisibleCursor; 1548 screen.flags |= Screen_VisibleCursor;
1602 * Set/unset automatic wrapping 1555 * Set/unset automatic wrapping
1603 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1556 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1604 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1557 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1605 */ 1558 */
1606void 1559void
1607rxvt_term::scr_autowrap (int mode) 1560rxvt_term::scr_autowrap (int mode) NOTHROW
1608{ 1561{
1609 if (mode) 1562 if (mode)
1610 screen.flags |= Screen_Autowrap; 1563 screen.flags |= Screen_Autowrap;
1611 else 1564 else
1612 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1565 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1621 * and the cursor cannot be moved outside. 1574 * and the cursor cannot be moved outside.
1622 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1575 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1623 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1576 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1624 */ 1577 */
1625void 1578void
1626rxvt_term::scr_relative_origin (int mode) 1579rxvt_term::scr_relative_origin (int mode) NOTHROW
1627{ 1580{
1628 if (mode) 1581 if (mode)
1629 screen.flags |= Screen_Relative; 1582 screen.flags |= Screen_Relative;
1630 else 1583 else
1631 screen.flags &= ~Screen_Relative; 1584 screen.flags &= ~Screen_Relative;
1638 * Set insert/replace mode 1591 * Set insert/replace mode
1639 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1592 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1640 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1593 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1641 */ 1594 */
1642void 1595void
1643rxvt_term::scr_insert_mode (int mode) 1596rxvt_term::scr_insert_mode (int mode) NOTHROW
1644{ 1597{
1645 if (mode) 1598 if (mode)
1646 screen.flags |= Screen_Insert; 1599 screen.flags |= Screen_Insert;
1647 else 1600 else
1648 screen.flags &= ~Screen_Insert; 1601 screen.flags &= ~Screen_Insert;
1654 * XTERM_SEQ: Set tab at current column : ESC H 1607 * XTERM_SEQ: Set tab at current column : ESC H
1655 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1608 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1656 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1609 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1657 */ 1610 */
1658void 1611void
1659rxvt_term::scr_set_tab (int mode) 1612rxvt_term::scr_set_tab (int mode) NOTHROW
1660{ 1613{
1661 if (mode < 0) 1614 if (mode < 0)
1662 memset (tabs, 0, ncol * sizeof (char)); 1615 memset (tabs, 0, ncol * sizeof (char));
1663 else if (screen.cur.col < ncol) 1616 else if (screen.cur.col < ncol)
1664 tabs[screen.cur.col] = (mode ? 1 : 0); 1617 tabs [screen.cur.col] = !!mode;
1665} 1618}
1666 1619
1667/* ------------------------------------------------------------------------- */ 1620/* ------------------------------------------------------------------------- */
1668/* 1621/*
1669 * Set reverse/normal video 1622 * Set reverse/normal video
1670 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1623 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1671 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1624 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1672 */ 1625 */
1673void 1626void
1674rxvt_term::scr_rvideo_mode (int mode) 1627rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1675{ 1628{
1676 XGCValues gcvalue; 1629 rvideo_mode = on;
1677 1630
1631#ifndef NO_BELL
1632 on ^= rvideo_bell;
1633#endif
1634
1678 if (rvideo != mode) 1635 if (rvideo_state != on)
1679 { 1636 {
1680 rvideo = mode; 1637 rvideo_state = on;
1638
1681 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color); 1639 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1682#if XPM_BACKGROUND 1640#if XPM_BACKGROUND
1683 if (bgPixmap.pixmap == None) 1641 if (bgPixmap.pixmap == None)
1684#endif 1642#endif
1685#if TRANSPARENT 1643#if TRANSPARENT
1686 if (! (options & Opt_transparent) || am_transparent == 0) 1644 if (!OPTION (Opt_transparent) || am_transparent == 0)
1687#endif 1645#endif
1688 XSetWindowBackground (display->display, vt, 1646 XSetWindowBackground (xdisp, vt, pix_colors[Color_bg]);
1689 pix_colors[Color_bg]);
1690 1647
1648 XGCValues gcvalue;
1691 gcvalue.foreground = pix_colors[Color_fg]; 1649 gcvalue.foreground = pix_colors[Color_fg];
1692 gcvalue.background = pix_colors[Color_bg]; 1650 gcvalue.background = pix_colors[Color_bg];
1693 XChangeGC (display->display, gc, GCBackground | GCForeground, 1651 XChangeGC (xdisp, gc, GCBackground | GCForeground, &gcvalue);
1694 &gcvalue); 1652
1695 scr_clear (); 1653 scr_clear ();
1696 scr_touch (true); 1654 scr_touch (true);
1697 } 1655 }
1698} 1656}
1699 1657
1701/* 1659/*
1702 * Report current cursor position 1660 * Report current cursor position
1703 * XTERM_SEQ: Report position: ESC [ 6 n 1661 * XTERM_SEQ: Report position: ESC [ 6 n
1704 */ 1662 */
1705void 1663void
1706rxvt_term::scr_report_position () 1664rxvt_term::scr_report_position () NOTHROW
1707{ 1665{
1708 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1666 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1709} 1667}
1710 1668
1711/* ------------------------------------------------------------------------- * 1669/* ------------------------------------------------------------------------- *
1714 1672
1715/* 1673/*
1716 * Set font style 1674 * Set font style
1717 */ 1675 */
1718void 1676void
1719rxvt_term::set_font_style () 1677rxvt_term::set_font_style () NOTHROW
1720{ 1678{
1679#if 0
1721 switch (charsets[screen.charset]) 1680 switch (charsets [screen.charset])
1722 { 1681 {
1723 case '0': /* DEC Special Character & Line Drawing Set */ 1682 case '0': /* DEC Special Character & Line Drawing Set */
1724 break; 1683 break;
1725 case 'A': /* United Kingdom (UK) */ 1684 case 'A': /* United Kingdom (UK) */
1726 break; 1685 break;
1733 case 'C': /* Finnish character set */ 1692 case 'C': /* Finnish character set */
1734 break; 1693 break;
1735 case 'K': /* German character set */ 1694 case 'K': /* German character set */
1736 break; 1695 break;
1737 } 1696 }
1697#endif
1738} 1698}
1739 1699
1740/* ------------------------------------------------------------------------- */ 1700/* ------------------------------------------------------------------------- */
1741/* 1701/*
1742 * Choose a font 1702 * Choose a font
1744 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1704 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1745 * XTERM_SEQ: Invoke G2 character set: ESC N 1705 * XTERM_SEQ: Invoke G2 character set: ESC N
1746 * XTERM_SEQ: Invoke G3 character set: ESC O 1706 * XTERM_SEQ: Invoke G3 character set: ESC O
1747 */ 1707 */
1748void 1708void
1749rxvt_term::scr_charset_choose (int set) 1709rxvt_term::scr_charset_choose (int set) NOTHROW
1750{ 1710{
1751 screen.charset = set; 1711 screen.charset = set;
1752 set_font_style (); 1712 set_font_style ();
1753} 1713}
1754 1714
1760 * XTERM_SEQ: Set G2 character set: ESC * <C> 1720 * XTERM_SEQ: Set G2 character set: ESC * <C>
1761 * XTERM_SEQ: Set G3 character set: ESC + <C> 1721 * XTERM_SEQ: Set G3 character set: ESC + <C>
1762 * See set_font_style for possible values for <C> 1722 * See set_font_style for possible values for <C>
1763 */ 1723 */
1764void 1724void
1765rxvt_term::scr_charset_set (int set, unsigned int ch) 1725rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1766{ 1726{
1767 charsets[set] = (unsigned char)ch; 1727 charsets[set] = (unsigned char)ch;
1768 set_font_style (); 1728 set_font_style ();
1769} 1729}
1770 1730
1775 1735
1776/* 1736/*
1777 * refresh matching text. 1737 * refresh matching text.
1778 */ 1738 */
1779bool 1739bool
1780rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1740rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1781{ 1741{
1782 bool found = false; 1742 bool found = false;
1783 1743
1784 for (int i = 0; i < nrow; i++) 1744 for (int i = 0; i < nrow; i++)
1785 { 1745 {
1786 int col = 0; 1746 int col = 0;
1787 rend_t *drp = drawn[i].r; 1747 rend_t *drp = drawn_buf[i].r;
1788 1748
1789 for (; col < ncol; col++, drp++) 1749 for (; col < ncol; col++, drp++)
1790 if ((*drp & mask) == value) 1750 if ((*drp & mask) == value)
1791 { 1751 {
1792 found = true; 1752 found = true;
1805 PART_END, 1765 PART_END,
1806 RC_COUNT 1766 RC_COUNT
1807}; 1767};
1808 1768
1809void 1769void
1810rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1770rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1811{ 1771{
1812 int i; 1772 int i;
1813 row_col_t rc[RC_COUNT]; 1773 row_col_t rc[RC_COUNT];
1814 1774
1815 if (!drawn) /* sanity check */ 1775 if (!drawn_buf) /* sanity check */
1816 return; 1776 return;
1817 1777
1818#ifndef NO_SLOW_LINK_SUPPORT 1778#ifndef NO_SLOW_LINK_SUPPORT
1819 if (refresh_type == FAST_REFRESH && !display->is_local) 1779 if (refresh_type == FAST_REFRESH && !display->is_local)
1820 { 1780 {
1821 y = 0; 1781 y = 0;
1822 eheight = height; 1782 eheight = height;
1823 } 1783 }
1824#endif
1825
1826#ifdef DEBUG_STRICT
1827 x = max (x, 0);
1828 x = min (x, (int)width);
1829 y = max (y, 0);
1830 y = min (y, (int)height);
1831#endif 1784#endif
1832 1785
1833 /* round down */ 1786 /* round down */
1834 rc[PART_BEG].col = Pixel2Col (x); 1787 rc[PART_BEG].col = Pixel2Col (x);
1835 rc[PART_BEG].row = Pixel2Row (y); 1788 rc[PART_BEG].row = Pixel2Row (y);
1838 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1791 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1839 1792
1840 /* sanity checks */ 1793 /* sanity checks */
1841 for (i = PART_BEG; i < RC_COUNT; i++) 1794 for (i = PART_BEG; i < RC_COUNT; i++)
1842 { 1795 {
1843 MIN_IT (rc[i].col, ncol - 1); 1796 min_it (rc[i].col, ncol - 1);
1844 MIN_IT (rc[i].row, nrow - 1); 1797 min_it (rc[i].row, nrow - 1);
1845 } 1798 }
1846 1799
1847 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1800 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1848 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1801 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1802
1803 num_scr_allow = 0;
1849 1804
1850 if (refresh) 1805 if (refresh)
1851 scr_refresh (SLOW_REFRESH); 1806 scr_refresh ();
1852} 1807}
1853 1808
1854/* ------------------------------------------------------------------------- */ 1809/* ------------------------------------------------------------------------- */
1855/* 1810/*
1856 * Refresh the entire screen 1811 * Refresh the entire screen
1857 */ 1812 */
1858void 1813void
1859rxvt_term::scr_touch (bool refresh) 1814rxvt_term::scr_touch (bool refresh) NOTHROW
1860{ 1815{
1861 scr_expose (0, 0, width, height, refresh); 1816 scr_expose (0, 0, width, height, refresh);
1862} 1817}
1863 1818
1864/* ------------------------------------------------------------------------- */ 1819/* ------------------------------------------------------------------------- */
1865/* 1820/*
1866 * Move the display so that the line represented by scrollbar value Y is at 1821 * Move the display so that the line represented by scrollbar value Y is at
1867 * the top of the screen 1822 * the top of the screen
1868 */ 1823 */
1869int 1824void
1870rxvt_term::scr_move_to (int y, int len) 1825rxvt_term::scr_move_to (int y, int len) NOTHROW
1871{ 1826{
1872 long p = 0; 1827 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1873 unsigned int oldviewstart;
1874
1875 oldviewstart = view_start;
1876
1877 if (y < len)
1878 {
1879 p = (nrow + nscrolled) * (len - y) / len;
1880 p -= (long) (nrow - 1);
1881 p = max (p, 0);
1882 }
1883
1884 view_start = (unsigned int)min (p, nscrolled);
1885
1886 return scr_changeview (oldviewstart);
1887} 1828}
1888 1829
1889/* ------------------------------------------------------------------------- */ 1830/* ------------------------------------------------------------------------- */
1890/* 1831/*
1891 * Page the screen up/down nlines 1832 * Page the screen up/down nlines
1892 * direction should be UP or DN 1833 * direction should be UP or DN
1893 */ 1834 */
1894int 1835bool
1895rxvt_term::scr_page (enum page_dirn direction, int nlines) 1836rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1896{ 1837{
1897 int n; 1838 int new_view_start =
1898 unsigned int oldviewstart;
1899
1900 oldviewstart = view_start;
1901
1902 if (direction == UP)
1903 {
1904 n = view_start + nlines;
1905 view_start = min (n, nscrolled);
1906 }
1907 else
1908 {
1909 n = view_start - nlines; 1839 direction == UP ? view_start - nlines
1910 view_start = max (n, 0); 1840 : view_start + nlines;
1911 }
1912 1841
1913 return scr_changeview (oldviewstart); 1842 return scr_changeview (new_view_start);
1914} 1843}
1915 1844
1916int 1845bool
1917rxvt_term::scr_changeview (unsigned int oldviewstart) 1846rxvt_term::scr_changeview (int new_view_start) NOTHROW
1918{ 1847{
1848 clamp_it (new_view_start, top_row, 0);
1849
1919 if (view_start != oldviewstart) 1850 if (new_view_start == view_start)
1920 { 1851 return false;
1852
1853 num_scr += new_view_start - view_start;
1854 view_start = new_view_start;
1921 want_refresh = 1; 1855 want_refresh = 1;
1922 num_scr -= (view_start - oldviewstart);
1923 }
1924 1856
1925 return (int) (view_start - oldviewstart); 1857 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1926}
1927 1858
1928/* ------------------------------------------------------------------------- */ 1859 return true;
1860}
1861
1862#ifndef NO_BELL
1929void 1863void
1864rxvt_term::bell_cb (time_watcher &w)
1865{
1866 rvideo_bell = false;
1867 scr_rvideo_mode (rvideo_mode);
1868}
1869#endif
1870
1871/* ------------------------------------------------------------------------- */
1872void
1930rxvt_term::scr_bell () 1873rxvt_term::scr_bell () NOTHROW
1931{ 1874{
1932#ifndef NO_BELL 1875#ifndef NO_BELL
1933 1876
1934# ifndef NO_MAPALERT 1877# ifndef NO_MAPALERT
1935# ifdef MAPALERT_OPTION 1878# ifdef MAPALERT_OPTION
1936 if (options & Opt_mapAlert) 1879 if (OPTION (Opt_mapAlert))
1937# endif 1880# endif
1938 XMapWindow (display->display, parent[0]); 1881 XMapWindow (xdisp, parent[0]);
1939# endif 1882# endif
1940 1883
1941 if (options & Opt_visualBell) 1884 if (OPTION (Opt_visualBell))
1942 { 1885 {
1943 scr_rvideo_mode (!rvideo); /* refresh also done */ 1886 rvideo_bell = true;
1944 rxvt_usleep (VISUAL_BELL_DURATION); 1887 scr_rvideo_mode (rvideo_mode);
1945 scr_rvideo_mode (!rvideo); /* refresh also done */ 1888 display->flush ();
1889
1890 bell_ev.start (NOW + VISUAL_BELL_DURATION);
1946 } 1891 }
1947 else 1892 else
1948 XBell (display->display, 0); 1893 XBell (xdisp, 0);
1949 1894
1950#endif 1895#endif
1951} 1896}
1952 1897
1953/* ------------------------------------------------------------------------- */ 1898/* ------------------------------------------------------------------------- */
1954/* ARGSUSED */ 1899/* ARGSUSED */
1955void 1900void
1956rxvt_term::scr_printscreen (int fullhist) 1901rxvt_term::scr_printscreen (int fullhist) NOTHROW
1957{ 1902{
1958#ifdef PRINTPIPE 1903#ifdef PRINTPIPE
1959 int i, r1, nrows, row_offset; 1904 int nrows, row_start;
1960 FILE *fd; 1905 FILE *fd;
1961 1906
1962 if ((fd = popen_printer ()) == NULL) 1907 if ((fd = popen_printer ()) == NULL)
1963 return; 1908 return;
1964 1909
1965 nrows = nrow;
1966 row_offset = saveLines;
1967
1968 if (!fullhist) 1910 if (fullhist)
1969 row_offset -= view_start; 1911 {
1912 nrows = nrow - top_row;
1913 row_start = top_row;
1914 }
1970 else 1915 else
1971 { 1916 {
1972 nrows += nscrolled; 1917 nrows = nrow;
1973 row_offset -= nscrolled; 1918 row_start = view_start;
1974 } 1919 }
1975 1920
1976 wctomb (0, 0); 1921 wctomb (0, 0);
1977 1922
1978 for (r1 = 0; r1 < nrows; r1++) 1923 for (int r1 = 0; r1 < nrows; r1++)
1979 { 1924 {
1980 text_t *tp = save[r1 + row_offset].t; 1925 text_t *tp = ROW(r1).t;
1981 int len = save[r1 + row_offset].l; 1926 int len = ROW(r1).l;
1982 1927
1983 for (i = len >= 0 ? len : ncol - 1; i--; ) 1928 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1984 { 1929 {
1985 char mb[MB_LEN_MAX]; 1930 char mb[MB_LEN_MAX];
1986 text_t t = *tp++; 1931 text_t t = *tp++;
1987 if (t == NOCHAR) 1932 if (t == NOCHAR)
1988 continue; 1933 continue;
2010 * Refresh the screen 1955 * Refresh the screen
2011 * drawn_text/drawn_rend contain the screen information before the update. 1956 * drawn_text/drawn_rend contain the screen information before the update.
2012 * screen.text/screen.rend contain what the screen will change to. 1957 * screen.text/screen.rend contain what the screen will change to.
2013 */ 1958 */
2014void 1959void
2015rxvt_term::scr_refresh (unsigned char refresh_type) 1960rxvt_term::scr_refresh () NOTHROW
2016{ 1961{
2017 unsigned char must_clear, /* use draw_string not draw_image_string */ 1962 unsigned char must_clear, /* use draw_string not draw_image_string */
2018 showcursor; /* show the cursor */ 1963 showcursor; /* show the cursor */
2019 int16_t col, row, /* column/row we're processing */ 1964 int16_t col, row, /* column/row we're processing */
2020 ocrow; /* old cursor row */ 1965 ocrow; /* old cursor row */
2021 int i, /* tmp */ 1966 int i; /* tmp */
2022 row_offset; /* basic offset in screen structure */
2023#ifndef NO_CURSORCOLOR 1967#ifndef NO_CURSORCOLOR
2024 rend_t cc1; /* store colours at cursor position (s) */ 1968 rend_t cc1; /* store colours at cursor position (s) */
2025#endif 1969#endif
2026 rend_t *crp; // cursor rendition pointer 1970 rend_t *crp; // cursor rendition pointer
2027 1971
2034 * A: set up vars 1978 * A: set up vars
2035 */ 1979 */
2036 must_clear = 0; 1980 must_clear = 0;
2037 refresh_count = 0; 1981 refresh_count = 0;
2038 1982
2039 row_offset = saveLines - view_start;
2040
2041#if XPM_BACKGROUND 1983#if XPM_BACKGROUND
2042 must_clear |= bgPixmap.pixmap != None; 1984 must_clear |= bgPixmap.pixmap != None;
2043#endif 1985#endif
2044#if TRANSPARENT 1986#if TRANSPARENT
2045 must_clear |= (options & Opt_transparent) && am_transparent; 1987 must_clear |= OPTION (Opt_transparent) && am_transparent;
2046#endif 1988#endif
2047 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 1989 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2048 1990
2049 /* 1991 /*
2050 * B: reverse any characters which are selected 1992 * B: reverse any characters which are selected
2067 2009
2068 if (showcursor) 2010 if (showcursor)
2069 { 2011 {
2070 int col = screen.cur.col; 2012 int col = screen.cur.col;
2071 2013
2072 while (col && screen.line[screen.cur.row]->t[col] == NOCHAR) 2014 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2073 col--; 2015 col--;
2074 2016
2075 crp = &screen.line[screen.cur.row]->r[col]; 2017 crp = &ROW(screen.cur.row).r[col];
2076 2018
2077 if (showcursor && focus) 2019 if (showcursor && focus)
2078 { 2020 {
2079 if (options & Opt_cursorUnderline) 2021 if (OPTION (Opt_cursorUnderline))
2080 *crp ^= RS_Uline; 2022 *crp ^= RS_Uline;
2081 else 2023 else
2082 { 2024 {
2083 *crp ^= RS_RVid; 2025 *crp ^= RS_RVid;
2084 2026
2086 cc1 = *crp & (RS_fgMask | RS_bgMask); 2028 cc1 = *crp & (RS_fgMask | RS_bgMask);
2087 if (ISSET_PIXCOLOR (Color_cursor)) 2029 if (ISSET_PIXCOLOR (Color_cursor))
2088 ccol1 = Color_cursor; 2030 ccol1 = Color_cursor;
2089 else 2031 else
2090#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2032#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2091 ccol1 = GET_FGCOLOR (rstyle); 2033 ccol1 = fgcolor_of (rstyle);
2092#else 2034#else
2093 ccol1 = Color_fg; 2035 ccol1 = Color_fg;
2094#endif 2036#endif
2095 if (ISSET_PIXCOLOR (Color_cursor2)) 2037 if (ISSET_PIXCOLOR (Color_cursor2))
2096 ccol2 = Color_cursor2; 2038 ccol2 = Color_cursor2;
2097 else 2039 else
2098#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2040#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2099 ccol2 = GET_BGCOLOR (rstyle); 2041 ccol2 = bgcolor_of (rstyle);
2100#else 2042#else
2101 ccol2 = Color_bg; 2043 ccol2 = Color_bg;
2102#endif 2044#endif
2103 *crp = SET_FGCOLOR (*crp, ccol1); 2045 *crp = SET_FGCOLOR (*crp, ccol1);
2104 *crp = SET_BGCOLOR (*crp, ccol2); 2046 *crp = SET_BGCOLOR (*crp, ccol2);
2109 2051
2110 /* make sure no outline cursor is left around */ 2052 /* make sure no outline cursor is left around */
2111 setoldcursor = 0; 2053 setoldcursor = 0;
2112 if (ocrow != -1) 2054 if (ocrow != -1)
2113 { 2055 {
2114 if (screen.cur.row + view_start != ocrow 2056 if (screen.cur.row - view_start != ocrow
2115 || screen.cur.col != oldcursor.col) 2057 || screen.cur.col != oldcursor.col)
2116 { 2058 {
2117 if (ocrow < nrow 2059 if (ocrow < nrow
2118 && oldcursor.col < ncol) 2060 && oldcursor.col < ncol)
2119 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2061 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2120 2062
2121 if (focus || !showcursor) 2063 if (focus || !showcursor)
2122 oldcursor.row = -1; 2064 oldcursor.row = -1;
2123 else 2065 else
2124 setoldcursor = 1; 2066 setoldcursor = 1;
2127 else if (!focus) 2069 else if (!focus)
2128 setoldcursor = 1; 2070 setoldcursor = 1;
2129 2071
2130 if (setoldcursor) 2072 if (setoldcursor)
2131 { 2073 {
2132 if (screen.cur.row + view_start >= nrow) 2074 if (screen.cur.row - view_start >= nrow)
2133 oldcursor.row = -1; 2075 oldcursor.row = -1;
2134 else 2076 else
2135 { 2077 {
2136 oldcursor.row = screen.cur.row + view_start; 2078 oldcursor.row = screen.cur.row - view_start;
2137 oldcursor.col = screen.cur.col; 2079 oldcursor.col = screen.cur.col;
2138 } 2080 }
2139 } 2081 }
2140 } 2082 }
2141 2083
2084 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2142#if ENABLE_OVERLAY 2085#if ENABLE_OVERLAY
2143 scr_swap_overlay (); 2086 scr_swap_overlay ();
2144#endif 2087#endif
2145 2088
2146#ifndef NO_SLOW_LINK_SUPPORT 2089#ifndef NO_SLOW_LINK_SUPPORT
2147 /* 2090 /*
2148 * D: CopyArea pass - very useful for slower links 2091 * D: CopyArea pass - very useful for slower links
2149 * This has been deliberately kept simple. 2092 * This has been deliberately kept simple.
2150 */ 2093 */
2151 i = num_scr;
2152 if (!display->is_local 2094 if (!display->is_local
2153 && refresh_type == FAST_REFRESH && num_scr_allow && i 2095 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2154 && abs (i) < nrow && !must_clear) 2096 && abs (num_scr) < nrow && !must_clear)
2155 { 2097 {
2156 int16_t nits; 2098 int16_t nits;
2157 int j; 2099 int j;
2158 int len, wlen; 2100 int len, wlen;
2101 dLocal (int, num_scr);
2159 2102
2160 j = nrow; 2103 j = nrow;
2161 wlen = len = -1; 2104 wlen = len = -1;
2162 row = i > 0 ? 0 : j - 1; 2105 row = i > 0 ? 0 : j - 1;
2163 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2106 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2164 { 2107 {
2165 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2108 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2166 { 2109 {
2167 line_t s = save[row + row_offset]; 2110 line_t s = ROW(view_start + row);
2168 line_t d = drawn[row]; 2111 line_t d = drawn_buf[row];
2169 line_t d2 = drawn[row + i]; 2112 line_t d2 = drawn_buf[row + i];
2170 2113
2171 for (nits = 0, col = ncol; col--; ) 2114 for (nits = 0, col = ncol; col--; )
2172 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2115 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2173 nits--; 2116 nits--;
2174 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2117 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2192 2135
2193 if (len != -1) 2136 if (len != -1)
2194 { 2137 {
2195 /* also comes here at end if needed because of >= above */ 2138 /* also comes here at end if needed because of >= above */
2196 if (wlen < len) 2139 if (wlen < len)
2197 SWAP_IT (wlen, len, int); 2140 ::swap (wlen, len);
2198 2141
2199 XCopyArea (display->display, vt, vt, 2142 XCopyArea (xdisp, vt, vt,
2200 gc, 0, Row2Pixel (len + i), 2143 gc, 0, Row2Pixel (len + i),
2201 (unsigned int)TermWin_TotalWidth (), 2144 (unsigned int)this->width,
2202 (unsigned int)Height2Pixel (wlen - len + 1), 2145 (unsigned int)Height2Pixel (wlen - len + 1),
2203 0, Row2Pixel (len)); 2146 0, Row2Pixel (len));
2204 len = -1; 2147 len = -1;
2205 } 2148 }
2206 } 2149 }
2210 /* 2153 /*
2211 * E: main pass across every character 2154 * E: main pass across every character
2212 */ 2155 */
2213 for (row = 0; row < nrow; row++) 2156 for (row = 0; row < nrow; row++)
2214 { 2157 {
2215 text_t *stp = save[row + row_offset].t; 2158 text_t *stp = ROW(view_start + row).t;
2216 rend_t *srp = save[row + row_offset].r; 2159 rend_t *srp = ROW(view_start + row).r;
2217 text_t *dtp = drawn[row].t; 2160 text_t *dtp = drawn_buf[row].t;
2218 rend_t *drp = drawn[row].r; 2161 rend_t *drp = drawn_buf[row].r;
2219 2162
2220 /* 2163 /*
2221 * E2: OK, now the real pass 2164 * E2: OK, now the real pass
2222 */ 2165 */
2223 int ypixel = (int)Row2Pixel (row); 2166 int ypixel = (int)Row2Pixel (row);
2285 count++, i--; 2228 count++, i--;
2286 2229
2287 /* 2230 /*
2288 * Determine the attributes for the string 2231 * Determine the attributes for the string
2289 */ 2232 */
2290 int fore = GET_FGCOLOR (rend); // desired foreground 2233 int fore = fgcolor_of (rend); // desired foreground
2291 int back = GET_BGCOLOR (rend); // desired background 2234 int back = bgcolor_of (rend); // desired background
2292 2235
2293 // only do special processing if any attributes are set, which is rare 2236 // only do special processing if any attributes are set, which is unlikely
2294 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2237 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2295 { 2238 {
2296#if ENABLE_STYLES 2239#if ENABLE_STYLES
2297 // force redraw after "careful" characters to avoid pixel droppings 2240 // "careful" (too wide) character handling
2298 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
2299 drp[col + 1] = ~srp[col + 1];
2300 2241
2301 // include previous careful character(s) if possible, looks nicer (best effort...) 2242 // include previous careful character(s) if possible, looks nicer (best effort...)
2302 while (text > stp 2243 while (text > stp
2303 && srp[text - stp - 1] & RS_Careful 2244 && srp[text - stp - 1] & RS_Careful
2304 && RS_SAME (rend, srp[text - stp - 1])) 2245 && RS_SAME (rend, srp[text - stp - 1]))
2305 text--, count++, xpixel -= fwidth; 2246 text--, count++, xpixel -= fwidth;
2247
2248 // force redraw after "careful" characters to avoid pixel droppings
2249 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2250 drp[col + i + 1] = ~srp[col + i + 1];
2251
2252 // force redraw before "careful" characters to avoid pixel droppings
2253 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2254 drp[text - stp - i - 1] = ~srp[text - stp - i - 1];
2306#endif 2255#endif
2307 2256
2308 bool invert = rend & RS_RVid; 2257 bool invert = rend & RS_RVid;
2309 2258
2310#ifndef NO_BOLD_UNDERLINE_REVERSE 2259#ifndef NO_BOLD_UNDERLINE_REVERSE
2334 fore = Color_UL; 2283 fore = Color_UL;
2335#endif 2284#endif
2336 2285
2337 if (invert) 2286 if (invert)
2338 { 2287 {
2339 SWAP_IT (fore, back, int); 2288 ::swap (fore, back);
2340 2289
2341#ifndef NO_BOLD_UNDERLINE_REVERSE 2290#ifndef NO_BOLD_UNDERLINE_REVERSE
2342 if (ISSET_PIXCOLOR (Color_RV)) 2291 if (ISSET_PIXCOLOR (Color_RV))
2343 back = Color_RV; 2292 back = Color_RV;
2344 2293
2394 2343
2395 if (rend & RS_Uline && font->descent > 1 && fore != back) 2344 if (rend & RS_Uline && font->descent > 1 && fore != back)
2396 { 2345 {
2397#if ENABLE_FRILLS 2346#if ENABLE_FRILLS
2398 if (ISSET_PIXCOLOR (Color_underline)) 2347 if (ISSET_PIXCOLOR (Color_underline))
2399 XSetForeground (display->display, gc, pix_colors[Color_underline]); 2348 XSetForeground (xdisp, gc, pix_colors[Color_underline]);
2400 else 2349 else
2401#endif 2350#endif
2402 XSetForeground (display->display, gc, pix_colors[fore]); 2351 XSetForeground (xdisp, gc, pix_colors[fore]);
2403 2352
2404 XDrawLine (display->display, drawBuffer, gc, 2353 XDrawLine (xdisp, drawBuffer, gc,
2405 xpixel, ypixel + font->ascent + 1, 2354 xpixel, ypixel + font->ascent + 1,
2406 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2355 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2407 } 2356 }
2408 } /* for (col....) */ 2357 } /* for (col....) */
2409 } /* for (row....) */ 2358 } /* for (row....) */
2410 2359
2411#if ENABLE_OVERLAY 2360#if ENABLE_OVERLAY
2412 scr_swap_overlay (); 2361 scr_swap_overlay ();
2413#endif 2362#endif
2363 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2414 2364
2415 /* 2365 /*
2416 * G: cleanup cursor and display outline cursor if necessary 2366 * G: cleanup cursor and display outline cursor if necessary
2417 */ 2367 */
2418 if (showcursor) 2368 if (showcursor)
2419 { 2369 {
2420 if (focus) 2370 if (focus)
2421 { 2371 {
2422 if (options & Opt_cursorUnderline) 2372 if (OPTION (Opt_cursorUnderline))
2423 *crp ^= RS_Uline; 2373 *crp ^= RS_Uline;
2424 else 2374 else
2425 { 2375 {
2426 *crp ^= RS_RVid; 2376 *crp ^= RS_RVid;
2427#ifndef NO_CURSORCOLOR 2377#ifndef NO_CURSORCOLOR
2432 else if (oldcursor.row >= 0) 2382 else if (oldcursor.row >= 0)
2433 { 2383 {
2434 int cursorwidth = 1; 2384 int cursorwidth = 1;
2435 int col = oldcursor.col; 2385 int col = oldcursor.col;
2436 2386
2437 while (col && save[screen.cur.row + saveLines].t[col] == NOCHAR) 2387 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2438 col--; 2388 col--;
2439 2389
2440 while (col + cursorwidth < ncol 2390 while (col + cursorwidth < ncol
2441 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2391 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2442 cursorwidth++; 2392 cursorwidth++;
2443 2393
2444#ifndef NO_CURSORCOLOR 2394#ifndef NO_CURSORCOLOR
2445 if (ISSET_PIXCOLOR (Color_cursor)) 2395 if (ISSET_PIXCOLOR (Color_cursor))
2446 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2396 XSetForeground (xdisp, gc, pix_colors[Color_cursor]);
2447#endif 2397#endif
2448 2398
2449 XDrawRectangle (display->display, drawBuffer, gc, 2399 XDrawRectangle (xdisp, drawBuffer, gc,
2450 Col2Pixel (col), 2400 Col2Pixel (col),
2451 Row2Pixel (oldcursor.row), 2401 Row2Pixel (oldcursor.row),
2452 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2402 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2453 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2403 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2454 } 2404 }
2457 /* 2407 /*
2458 * H: cleanup selection 2408 * H: cleanup selection
2459 */ 2409 */
2460 scr_reverse_selection (); 2410 scr_reverse_selection ();
2461 2411
2462 if (refresh_type & SMOOTH_REFRESH)
2463 XFlush (display->display);
2464
2465 num_scr = 0; 2412 num_scr = 0;
2466 num_scr_allow = 1; 2413 num_scr_allow = 1;
2467} 2414}
2468 2415
2469void 2416void
2470rxvt_term::scr_remap_chars (const line_t &l) 2417rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2471{ 2418{
2472 if (!l.t) 2419 if (!l.t)
2473 return; 2420 return;
2474 2421
2422 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2423
2475 for (int i = ncol; i--; ) 2424 for (int i = ncol; i--; )
2476 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2425 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2477} 2426}
2478 2427
2479void 2428void
2480rxvt_term::scr_remap_chars () 2429rxvt_term::scr_remap_chars () NOTHROW
2481{ 2430{
2482 for (int i = nrow + saveLines; i--; ) 2431 for (int i = total_rows; i--; )
2483 scr_remap_chars (save[i]); 2432 scr_remap_chars (row_buf [i]);
2484 2433
2485 for (int i = nrow; i--; ) 2434 for (int i = nrow; i--; )
2486 { 2435 {
2487 scr_remap_chars (drawn[i]); 2436 scr_remap_chars (drawn_buf [i]);
2488 scr_remap_chars (swap_save[i]); 2437 scr_remap_chars (swap_buf [i]);
2489 } 2438 }
2490} 2439}
2491 2440
2492void 2441void
2493rxvt_term::scr_recolour () 2442rxvt_term::scr_recolour () NOTHROW
2494{ 2443{
2495 if (1 2444 if (1
2496#if TRANSPARENT 2445#if TRANSPARENT
2497 && !am_transparent 2446 && !am_transparent
2498#endif 2447#endif
2499#if XPM_BACKGROUND 2448#if XPM_BACKGROUND
2500 && !bgPixmap.pixmap 2449 && !bgPixmap.pixmap
2501#endif 2450#endif
2502 ) 2451 )
2503 { 2452 {
2504 XSetWindowBackground (display->display, parent[0], pix_colors[Color_border]); 2453 XSetWindowBackground (xdisp, parent[0], pix_colors[Color_border]);
2505 XClearWindow (display->display, parent[0]); 2454 XClearWindow (xdisp, parent[0]);
2506 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]); 2455 XSetWindowBackground (xdisp, vt, pix_colors[Color_bg]);
2507#if HAVE_SCROLLBARS 2456#if HAVE_SCROLLBARS
2508 if (scrollBar.win) 2457 if (scrollBar.win)
2509 { 2458 {
2510 XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]); 2459 XSetWindowBackground (xdisp, scrollBar.win, pix_colors[Color_border]);
2511 scrollBar.setIdle (); 2460 scrollBar.setIdle ();
2512 scrollbar_show (0); 2461 scrollbar_show (0);
2513 } 2462 }
2514#endif 2463#endif
2515 } 2464 }
2519 want_refresh = 1; 2468 want_refresh = 1;
2520} 2469}
2521 2470
2522/* ------------------------------------------------------------------------- */ 2471/* ------------------------------------------------------------------------- */
2523void 2472void
2524rxvt_term::scr_clear (bool really) 2473rxvt_term::scr_clear (bool really) NOTHROW
2525{ 2474{
2526 if (!mapped) 2475 if (!mapped)
2527 return; 2476 return;
2528 2477
2529 num_scr_allow = 0; 2478 num_scr_allow = 0;
2530 want_refresh = 1; 2479 want_refresh = 1;
2531 2480
2532 if (really) 2481 if (really)
2533 XClearWindow (display->display, vt); 2482 XClearWindow (xdisp, vt);
2534} 2483}
2535 2484
2536/* ------------------------------------------------------------------------- */
2537void 2485void
2486rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2487{
2488 int view_end = view_start + nrow;
2489 int row, col;
2490
2491 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2492 {
2493 text_t *stp = ROW(row).t;
2494 rend_t *srp = ROW(row).r;
2495
2496 for (col = beg_col; col < end_col; col++)
2497 srp[col] ^= rstyle1;
2498
2499 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2500 srp[col] ^= rstyle2;
2501
2502 if (++col < end_col)
2503 srp[col] ^= rstyle2;
2504 }
2505}
2506
2507void
2508rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2509{
2510 int view_end = view_start + nrow;
2511 int row, col;
2512
2513 if (beg_row >= view_start)
2514 {
2515 col = beg_col;
2516 row = beg_row;
2517 }
2518 else
2519 {
2520 col = 0;
2521 row = view_start;
2522 }
2523
2524 for (; row < min (end_row, view_end); row++, col = 0)
2525 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2526 srp[col] ^= rstyle;
2527
2528 if (row == end_row)
2529 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2530 srp[col] ^= rstyle;
2531}
2532
2533/* ------------------------------------------------------------------------- */
2534void
2538rxvt_term::scr_reverse_selection () 2535rxvt_term::scr_reverse_selection () NOTHROW
2539{ 2536{
2537 if (selection.op
2540 if (selection.op && current_screen == selection.screen) 2538 && current_screen == selection.screen
2539 && selection.end.row >= view_start)
2541 { 2540 {
2542 int end_row = saveLines - view_start;
2543 int i = selection.beg.row + saveLines;
2544 int col, row = selection.end.row + saveLines;
2545 rend_t *srp;
2546
2547#if ENABLE_FRILLS 2541#if ENABLE_FRILLS
2548 if (selection.rect) 2542 if (selection.rect)
2549 { 2543 scr_xor_rect (selection.beg.row, selection.beg.col,
2550 end_row += nrow; 2544 selection.end.row, selection.end.col,
2551 2545 RS_RVid, RS_RVid | RS_Uline);
2552 for (; i <= row && i <= end_row; i++)
2553 for (srp = save[i].r, col = selection.beg.col; col < selection.end.col; col++)
2554 srp[col] ^= RS_RVid;
2555 }
2556 else 2546 else
2557#endif 2547#endif
2558 { 2548 scr_xor_span (selection.beg.row, selection.beg.col,
2559 if (i >= end_row) 2549 selection.end.row, selection.end.col,
2560 col = selection.beg.col; 2550 RS_RVid);
2561 else
2562 {
2563 col = 0;
2564 i = end_row;
2565 }
2566
2567 end_row += nrow;
2568
2569 for (; i < row && i < end_row; i++, col = 0)
2570 for (srp = save[i].r; col < ncol; col++)
2571 srp[col] ^= RS_RVid;
2572
2573 if (i == row && i < end_row)
2574 for (srp = save[i].r; col < selection.end.col; col++)
2575 srp[col] ^= RS_RVid;
2576 }
2577 } 2551 }
2578} 2552}
2579 2553
2580/* ------------------------------------------------------------------------- */ 2554/* ------------------------------------------------------------------------- */
2581/* 2555/*
2582 * Dump the whole scrollback and screen to the passed filedescriptor. The 2556 * Dump the whole scrollback and screen to the passed filedescriptor. The
2583 * invoking routine must close the fd. 2557 * invoking routine must close the fd.
2584 */ 2558 */
2585#if 0 2559#if 0
2586void 2560void
2587rxvt_term::scr_dump (int fd) 2561rxvt_term::scr_dump (int fd) NOTHROW
2588{ 2562{
2589 int row, wrote; 2563 int row, wrote;
2590 unsigned int width, towrite; 2564 unsigned int width, towrite;
2591 char r1[] = "\n"; 2565 char r1[] = "\n";
2592 2566
2593 for (row = saveLines - nscrolled; 2567 for (row = saveLines - nsaved;
2594 row < saveLines + nrow - 1; row++) 2568 row < saveLines + nrow - 1; row++)
2595 { 2569 {
2596 width = save[row].l >= 0 ? save[row].l 2570 width = row_buf[row].l >= 0 ? row_buf[row].l
2597 : ncol; 2571 : ncol;
2598 for (towrite = width; towrite; towrite -= wrote) 2572 for (towrite = width; towrite; towrite -= wrote)
2599 { 2573 {
2600 wrote = write (fd, & (save[row].t[width - towrite]), 2574 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2601 towrite); 2575 towrite);
2602 if (wrote < 0) 2576 if (wrote < 0)
2603 return; /* XXX: death, no report */ 2577 return; /* XXX: death, no report */
2604 } 2578 }
2605 if (save[row].l >= 0) 2579 if (row_buf[row].l >= 0)
2606 if (write (fd, r1, 1) <= 0) 2580 if (write (fd, r1, 1) <= 0)
2607 return; /* XXX: death, no report */ 2581 return; /* XXX: death, no report */
2608 } 2582 }
2609} 2583}
2610#endif 2584#endif
2611 2585
2612/* ------------------------------------------------------------------------- * 2586/* ------------------------------------------------------------------------- *
2613 * CHARACTER SELECTION * 2587 * CHARACTER SELECTION *
2614 * ------------------------------------------------------------------------- */ 2588 * ------------------------------------------------------------------------- */
2615
2616/*
2617 * -nscrolled <= (selection row) <= nrow - 1
2618 */
2619void 2589void
2620rxvt_term::selection_check (int check_more) 2590rxvt_term::selection_check (int check_more) NOTHROW
2621{ 2591{
2622 row_col_t pos; 2592 row_col_t pos;
2623 2593
2624 if (!selection.op) 2594 if (!selection.op)
2625 return; 2595 return;
2626 2596
2627 pos.row = pos.col = 0; 2597 pos.row = pos.col = 0;
2628 if ((selection.beg.row < - (int32_t)nscrolled) 2598 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2629 || (selection.beg.row >= nrow) 2599 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2630 || (selection.mark.row < - (int32_t)nscrolled) 2600 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2631 || (selection.mark.row >= nrow)
2632 || (selection.end.row < - (int32_t)nscrolled)
2633 || (selection.end.row >= nrow)
2634 || (check_more == 1 2601 || (check_more == 1
2635 && current_screen == selection.screen 2602 && current_screen == selection.screen
2636 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2603 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2637 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2604 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2638 || (check_more == 2 2605 || (check_more == 2
2649/* ------------------------------------------------------------------------- */ 2616/* ------------------------------------------------------------------------- */
2650/* 2617/*
2651 * Paste a selection direct to the command fd 2618 * Paste a selection direct to the command fd
2652 */ 2619 */
2653void 2620void
2654rxvt_term::paste (unsigned char *data, unsigned int len) 2621rxvt_term::paste (char *data, unsigned int len) NOTHROW
2655{ 2622{
2656 /* convert normal newline chars into common keyboard Return key sequence */ 2623 /* convert normal newline chars into common keyboard Return key sequence */
2657 for (unsigned int i = 0; i < len; i++) 2624 for (unsigned int i = 0; i < len; i++)
2658 if (data[i] == C0_LF) 2625 if (data[i] == C0_LF)
2659 data[i] = C0_CR; 2626 data[i] = C0_CR;
2665/* 2632/*
2666 * Respond to a notification that a primary selection has been sent 2633 * Respond to a notification that a primary selection has been sent
2667 * EXT: SelectionNotify 2634 * EXT: SelectionNotify
2668 */ 2635 */
2669void 2636void
2670rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) 2637rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2671{ 2638{
2672 if (prop == None) /* check for failed XConvertSelection */ 2639 if (prop == None) /* check for failed XConvertSelection */
2673 { 2640 {
2674 if ((selection_type & Sel_CompoundText)) 2641 if ((selection_type & Sel_CompoundText))
2675 { 2642 {
2695 } 2662 }
2696 2663
2697 unsigned long bytes_after; 2664 unsigned long bytes_after;
2698 XTextProperty ct; 2665 XTextProperty ct;
2699 2666
2700 if (XGetWindowProperty (display->display, win, prop, 2667 if (XGetWindowProperty (xdisp, win, prop,
2701 0, PROP_SIZE / 4, 2668 0, PROP_SIZE / 4,
2702 delete_prop, AnyPropertyType, 2669 delete_prop, AnyPropertyType,
2703 &ct.encoding, &ct.format, 2670 &ct.encoding, &ct.format,
2704 &ct.nitems, &bytes_after, 2671 &ct.nitems, &bytes_after,
2705 &ct.value) != Success) 2672 &ct.value) != Success)
2714 if (bytes_after) 2681 if (bytes_after)
2715 { 2682 {
2716 // fetch and append remaining data 2683 // fetch and append remaining data
2717 XTextProperty ct2; 2684 XTextProperty ct2;
2718 2685
2719 if (XGetWindowProperty (display->display, win, prop, 2686 if (XGetWindowProperty (xdisp, win, prop,
2720 ct.nitems / 4, (bytes_after + 3) / 4, 2687 ct.nitems / 4, (bytes_after + 3) / 4,
2721 delete_prop, AnyPropertyType, 2688 delete_prop, AnyPropertyType,
2722 &ct2.encoding, &ct2.format, 2689 &ct2.encoding, &ct2.format,
2723 &ct2.nitems, &bytes_after, 2690 &ct2.nitems, &bytes_after,
2724 &ct2.value) != Success) 2691 &ct2.value) != Success)
2737 2704
2738 if (ct.encoding == xa[XA_INCR]) 2705 if (ct.encoding == xa[XA_INCR])
2739 { 2706 {
2740 // INCR selection, start handshake 2707 // INCR selection, start handshake
2741 if (!delete_prop) 2708 if (!delete_prop)
2742 XDeleteProperty (display->display, win, prop); 2709 XDeleteProperty (xdisp, win, prop);
2743 2710
2744 selection_wait = Sel_incr; 2711 selection_wait = Sel_incr;
2745 incr_buf_fill = 0; 2712 incr_buf_fill = 0;
2746 incr_ev.start (NOW + 10); 2713 incr_ev.start (NOW + 10);
2747 2714
2803 { 2770 {
2804 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems); 2771 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2805 char *s = rxvt_wcstombs (w); 2772 char *s = rxvt_wcstombs (w);
2806 free (w); 2773 free (w);
2807 // TODO: strlen == only the first element will be converted. well... 2774 // TODO: strlen == only the first element will be converted. well...
2808 paste ((unsigned char *)s, strlen (s)); 2775 paste (s, strlen (s));
2809 free (s); 2776 free (s);
2810 } 2777 }
2811 else 2778 else
2812#endif 2779#endif
2813 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 2780 if (XmbTextPropertyToTextList (xdisp, &ct, &cl, &cr) >= 0
2814 && cl) 2781 && cl)
2815 { 2782 {
2816 for (int i = 0; i < cr; i++) 2783 for (int i = 0; i < cr; i++)
2817 paste ((unsigned char *)cl[i], strlen (cl[i])); 2784 paste (cl[i], strlen (cl[i]));
2818 2785
2819 XFreeStringList (cl); 2786 XFreeStringList (cl);
2820 } 2787 }
2821 else 2788 else
2822 paste (ct.value, ct.nitems); // paste raw 2789 paste ((char *)ct.value, ct.nitems); // paste raw
2823 2790
2824bailout: 2791bailout:
2825 XFree (ct.value); 2792 XFree (ct.value);
2826 2793
2827 if (selection_wait == Sel_normal) 2794 if (selection_wait == Sel_normal)
2828 selection_wait = Sel_none; 2795 selection_wait = Sel_none;
2829} 2796}
2830 2797
2831void 2798void
2832rxvt_term::incr_cb (time_watcher &w) 2799rxvt_term::incr_cb (time_watcher &w) NOTHROW
2833{ 2800{
2834 selection_wait = Sel_none; 2801 selection_wait = Sel_none;
2835 2802
2836 incr_buf_size = 0; 2803 incr_buf_size = 0;
2837 free (incr_buf); 2804 free (incr_buf);
2838 2805
2839 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n"); 2806 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2840} 2807}
2841 2808
2842void 2809void
2843rxvt_term::selection_property (Window win, Atom prop) 2810rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2844{ 2811{
2845 if (prop == None || selection_wait != Sel_incr) 2812 if (prop == None || selection_wait != Sel_incr)
2846 return; 2813 return;
2847 2814
2848 selection_paste (win, prop, true); 2815 selection_paste (win, prop, true);
2857 * (+) if ownership is claimed but property is empty, rxvt_selection_paste () 2824 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2858 * will auto fallback to CUT_BUFFER0 2825 * will auto fallback to CUT_BUFFER0
2859 * EXT: button 2 release 2826 * EXT: button 2 release
2860 */ 2827 */
2861void 2828void
2862rxvt_term::selection_request (Time tm, int x, int y) 2829rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2863{ 2830{
2864 if (x < 0 || x >= width || y < 0 || y >= height) 2831 if (selection.text && selnum == Sel_Primary)
2865 return; /* outside window */
2866
2867 if (selection.text)
2868 { /* internal selection */ 2832 { /* internal selection */
2869 char *str = rxvt_wcstombs (selection.text, selection.len); 2833 char *str = rxvt_wcstombs (selection.text, selection.len);
2870 paste ((unsigned char *)str, strlen (str)); 2834 paste (str, strlen (str));
2871 free (str); 2835 free (str);
2872 return; 2836 return;
2873 } 2837 }
2874 else 2838 else
2875 { 2839 {
2876 int i;
2877
2878 selection_request_time = tm; 2840 selection_request_time = tm;
2879 selection_wait = Sel_normal; 2841 selection_wait = Sel_normal;
2880 2842
2881 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2882 {
2883#if X_HAVE_UTF8_STRING 2843#if X_HAVE_UTF8_STRING
2884 selection_type = Sel_UTF8String; 2844 selection_type = Sel_UTF8String;
2885 if (selection_request_other (xa[XA_UTF8_STRING], i)) 2845 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2886 return; 2846 return;
2887#else 2847#else
2888 selection_type = Sel_CompoundText; 2848 selection_type = Sel_CompoundText;
2889 if (selection_request_other (xa[XA_COMPOUND_TEXT], i)) 2849 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2890 return; 2850 return;
2891#endif 2851#endif
2892 }
2893 } 2852 }
2894 2853
2895 selection_wait = Sel_none; /* don't loop in selection_paste () */ 2854 selection_wait = Sel_none; /* don't loop in selection_paste () */
2896 selection_paste (display->root, XA_CUT_BUFFER0, false); 2855 selection_paste (display->root, XA_CUT_BUFFER0, false);
2897} 2856}
2898 2857
2899int 2858int
2900rxvt_term::selection_request_other (Atom target, int selnum) 2859rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2901{ 2860{
2902 Atom sel; 2861 Atom sel;
2903 2862
2904 selection_type |= selnum; 2863 selection_type |= selnum;
2905 2864
2908 else if (selnum == Sel_Secondary) 2867 else if (selnum == Sel_Secondary)
2909 sel = XA_SECONDARY; 2868 sel = XA_SECONDARY;
2910 else 2869 else
2911 sel = xa[XA_CLIPBOARD]; 2870 sel = xa[XA_CLIPBOARD];
2912 2871
2913 if (XGetSelectionOwner (display->display, sel) != None) 2872 if (XGetSelectionOwner (xdisp, sel) != None)
2914 { 2873 {
2915 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION], 2874 XConvertSelection (xdisp, sel, target, xa[XA_VT_SELECTION],
2916 vt, selection_request_time); 2875 vt, selection_request_time);
2917 return 1; 2876 return 1;
2918 } 2877 }
2919 2878
2920 return 0; 2879 return 0;
2924/* 2883/*
2925 * Clear all selected text 2884 * Clear all selected text
2926 * EXT: SelectionClear 2885 * EXT: SelectionClear
2927 */ 2886 */
2928void 2887void
2929rxvt_term::selection_clear () 2888rxvt_term::selection_clear () NOTHROW
2930{ 2889{
2931 want_refresh = 1; 2890 want_refresh = 1;
2932 free (selection.text); 2891 free (selection.text);
2933 selection.text = NULL; 2892 selection.text = NULL;
2934 selection.len = 0; 2893 selection.len = 0;
2944 * EXT: button 1 or 3 release 2903 * EXT: button 1 or 3 release
2945 */ 2904 */
2946void 2905void
2947rxvt_term::selection_make (Time tm) 2906rxvt_term::selection_make (Time tm)
2948{ 2907{
2949 int i, col, end_col, row, end_row; 2908 int i;
2950 wchar_t *new_selection_text; 2909 wchar_t *new_selection_text;
2951 text_t *t; 2910 text_t *t;
2952 2911
2953 switch (selection.op) 2912 switch (selection.op)
2954 { 2913 {
2967 selection.op = SELECTION_DONE; 2926 selection.op = SELECTION_DONE;
2968 2927
2969 if (selection.clicks == 4) 2928 if (selection.clicks == 4)
2970 return; /* nothing selected, go away */ 2929 return; /* nothing selected, go away */
2971 2930
2931 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2932 return;
2933
2972 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2934 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2973 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2935 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2974 2936
2975 col = selection.beg.col;
2976 row = selection.beg.row + saveLines;
2977 end_row = selection.end.row + saveLines;
2978 int ofs = 0; 2937 int ofs = 0;
2979 int extra = 0; 2938 int extra = 0;
2980 2939
2940 int col = selection.beg.col;
2941 int row = selection.beg.row;
2942
2943 int end_col;
2944
2981 for (; row <= end_row; row++, col = 0) 2945 for (; row <= selection.end.row; row++, col = 0)
2982 { 2946 {
2983#if ENABLE_FRILLS 2947#if ENABLE_FRILLS
2984 if (selection.rect) 2948 if (selection.rect)
2985 { 2949 {
2986 col = selection.beg.col; 2950 col = selection.beg.col;
2987 end_col = ncol + 1; 2951 end_col = ncol + 1;
2988 } 2952 }
2989 else 2953 else
2990#endif 2954#endif
2991 end_col = save[row].is_cont () ? ncol : save[row].l; //TODO//FIXME 2955 end_col = ROW(row).l;
2992 2956
2993 MAX_IT (col, 0); 2957 col = max (col, 0);
2994 2958
2995 if (row == end_row || selection.rect) 2959 if (row == selection.end.row
2960#if ENABLE_FRILLS
2961 || selection.rect
2962#endif
2963 )
2996 MIN_IT (end_col, selection.end.col); 2964 min_it (end_col, selection.end.col);
2997 2965
2998 t = &save[row].t[col]; 2966 t = ROW(row).t + col;
2967
2999 for (; col < end_col; col++) 2968 for (; col < end_col; col++)
3000 { 2969 {
3001 if (*t == NOCHAR) 2970 if (*t == NOCHAR)
3002 t++; 2971 t++;
3003#if ENABLE_COMBINING 2972#if ENABLE_COMBINING
3019#endif 2988#endif
3020 else 2989 else
3021 new_selection_text[ofs++] = *t++; 2990 new_selection_text[ofs++] = *t++;
3022 } 2991 }
3023 2992
3024 if (save[row].l != -1 && row != end_row) 2993#if ENABLE_FRILLS
2994 if (selection.rect)
2995 {
2996 while (ofs
2997 && new_selection_text[ofs - 1] != C0_LF
2998 && unicode::is_space (new_selection_text[ofs - 1]))
2999 --ofs;
3000
3025 new_selection_text[ofs++] = C0_LF; 3001 new_selection_text[ofs++] = C0_LF;
3002 }
3003 else
3004#endif
3005 if (!ROW(row).is_longer () && row != selection.end.row)
3006 new_selection_text[ofs++] = C0_LF;
3026 } 3007 }
3027 3008
3028 if (end_col != selection.end.col) 3009 if (end_col != selection.end.col)
3029 new_selection_text[ofs++] = C0_LF; 3010 new_selection_text[ofs++] = C0_LF;
3030 3011
3040 3021
3041 // we usually allocate much more than necessary, so realloc it smaller again 3022 // we usually allocate much more than necessary, so realloc it smaller again
3042 selection.len = ofs; 3023 selection.len = ofs;
3043 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 3024 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3044 3025
3026 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3027 return;
3028
3029 selection_grab (tm);
3030}
3031
3032bool
3033rxvt_term::selection_grab (Time tm) NOTHROW
3034{
3035 selection_time = tm;
3036
3045 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 3037 XSetSelectionOwner (xdisp, XA_PRIMARY, vt, tm);
3046 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 3038 if (XGetSelectionOwner (xdisp, XA_PRIMARY) == vt)
3039 {
3047 display->set_selection_owner (this); 3040 display->set_selection_owner (this);
3041 return true;
3042 }
3048 else 3043 else
3049 rxvt_warn ("can't get primary selection, ignoring.\n"); 3044 {
3045 selection_clear ();
3046 return false;
3047 }
3050 3048
3051#if 0 3049#if 0
3052 XTextProperty ct; 3050 XTextProperty ct;
3053 3051
3054 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 3052 if (XwcTextListToTextProperty (xdisp, &selection.text, 1, XStringStyle, &ct) >= 0)
3055 { 3053 {
3056 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 3054 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
3057 XFree (ct.value); 3055 XFree (ct.value);
3058 } 3056 }
3059#endif 3057#endif
3060
3061 selection_time = tm;
3062} 3058}
3063 3059
3064/* ------------------------------------------------------------------------- */ 3060/* ------------------------------------------------------------------------- */
3065/* 3061/*
3066 * Mark or select text based upon number of clicks: 1, 2, or 3 3062 * Mark or select text based upon number of clicks: 1, 2, or 3
3067 * EXT: button 1 press 3063 * EXT: button 1 press
3068 */ 3064 */
3069void 3065void
3070rxvt_term::selection_click (int clicks, int x, int y) 3066rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3071{ 3067{
3072 clicks = ((clicks - 1) % 3) + 1; 3068 clicks = ((clicks - 1) % 3) + 1;
3073 selection.clicks = clicks; /* save clicks so extend will work */ 3069 selection.clicks = clicks; /* save clicks so extend will work */
3074 3070
3071 if (clicks == 2 && !selection.rect
3072 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3073 {
3074 MEvent.clicks = 1; // what a mess
3075 selection.screen = current_screen;
3076 selection.op = SELECTION_CONT;
3077 return;
3078 }
3079
3075 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 3080 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3076 3081
3077 if (clicks == 2 || clicks == 3) 3082 if (clicks == 2 || clicks == 3)
3078 selection_extend_colrow (selection.mark.col, 3083 selection_extend_colrow (selection.mark.col,
3079 selection.mark.row + view_start, 3084 selection.mark.row - view_start,
3080 0, /* button 3 */ 3085 0, /* button 3 */
3081 1, /* button press */ 3086 1, /* button press */
3082 0); /* click change */ 3087 0); /* click change */
3083} 3088}
3084 3089
3085/* ------------------------------------------------------------------------- */ 3090/* ------------------------------------------------------------------------- */
3086/* 3091/*
3087 * Mark a selection at the specified col/row 3092 * Mark a selection at the specified col/row
3088 */ 3093 */
3089void 3094void
3090rxvt_term::selection_start_colrow (int col, int row) 3095rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3091{ 3096{
3092 want_refresh = 1; 3097 want_refresh = 1;
3098
3099 selection.mark.row = row + view_start;
3093 selection.mark.col = col; 3100 selection.mark.col = col;
3094 selection.mark.row = row - view_start;
3095 3101
3096 MAX_IT (selection.mark.row, - (int32_t)nscrolled); 3102 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3097 MIN_IT (selection.mark.row, (int32_t)nrow - 1); 3103 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3098 MAX_IT (selection.mark.col, 0);
3099 MIN_IT (selection.mark.col, (int32_t)ncol - 1);
3100 3104
3101 while (selection.mark.col > 0 3105 while (selection.mark.col > 0
3102 && save[selection.mark.row + saveLines].t[selection.mark.col] == NOCHAR) 3106 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3103 --selection.mark.col; 3107 --selection.mark.col;
3104 3108
3105 if (selection.op) 3109 if (selection.op)
3106 { /* clear the old selection */ 3110 { /* clear the old selection */
3107 selection.beg.row = selection.end.row = selection.mark.row; 3111 selection.beg.row = selection.end.row = selection.mark.row;
3122#define DELIMIT_TEXT(x) \ 3126#define DELIMIT_TEXT(x) \
3123 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3127 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3124#define DELIMIT_REND(x) 1 3128#define DELIMIT_REND(x) 1
3125 3129
3126void 3130void
3127rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3131rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3128{ 3132{
3129 int col, row, dirnadd, tcol, trow, w1, w2; 3133 int col, row, dirnadd, tcol, trow, w1, w2;
3130 row_col_t bound; 3134 row_col_t bound;
3131 text_t *stp; 3135 text_t *stp;
3132 rend_t *srp; 3136 rend_t *srp;
3133 3137
3134 if (dirn == UP) 3138 if (dirn == UP)
3135 { 3139 {
3136 bound.row = saveLines - nscrolled - 1; 3140 bound.row = top_row - 1;
3137 bound.col = 0; 3141 bound.col = 0;
3138 dirnadd = -1; 3142 dirnadd = -1;
3139 } 3143 }
3140 else 3144 else
3141 { 3145 {
3142 bound.row = saveLines + nrow; 3146 bound.row = nrow;
3143 bound.col = ncol - 1; 3147 bound.col = ncol - 1;
3144 dirnadd = 1; 3148 dirnadd = 1;
3145 } 3149 }
3146 3150
3147 row = mark->row + saveLines; 3151 row = mark->row;
3148 col = mark->col; 3152 col = max (mark->col, 0);
3149 MAX_IT (col, 0); 3153
3150 /* find the edge of a word */ 3154 /* find the edge of a word */
3151 stp = &save[row].t[col]; 3155 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
3152 w1 = DELIMIT_TEXT (*stp); 3156 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
3153
3154 srp = &save[row].r[col];
3155 w2 = DELIMIT_REND (*srp);
3156 3157
3157 for (;;) 3158 for (;;)
3158 { 3159 {
3159 for (; col != bound.col; col += dirnadd) 3160 for (; col != bound.col; col += dirnadd)
3160 { 3161 {
3170 break; 3171 break;
3171 } 3172 }
3172 3173
3173 if ((col == bound.col) && (row != bound.row)) 3174 if ((col == bound.col) && (row != bound.row))
3174 { 3175 {
3175 if (save[ (row - (dirn == UP ? 1 : 0))].is_cont ()) 3176 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3176 { 3177 {
3177 trow = row + dirnadd; 3178 trow = row + dirnadd;
3178 tcol = dirn == UP ? ncol - 1 : 0; 3179 tcol = dirn == UP ? ncol - 1 : 0;
3179 3180
3180 if (save[trow].t == NULL) 3181 if (!ROW(trow).t)
3181 break; 3182 break;
3182 3183
3183 stp = & (save[trow].t[tcol]); 3184 stp = ROW(trow).t + tcol;
3184 srp = & (save[trow].r[tcol]); 3185 srp = ROW(trow).r + tcol;
3185 3186
3186 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) 3187 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3187 break; 3188 break;
3188 3189
3189 row = trow; 3190 row = trow;
3192 } 3193 }
3193 } 3194 }
3194 break; 3195 break;
3195 } 3196 }
3196 3197
3197Old_Word_Selection_You_Die:
3198 if (dirn == DN) 3198 if (dirn == DN)
3199 col++; /* put us on one past the end */ 3199 col++; /* put us on one past the end */
3200 3200
3201 /* Poke the values back in */ 3201 /* Poke the values back in */
3202 ret->row = row - saveLines; 3202 ret->row = row;
3203 ret->col = col; 3203 ret->col = col;
3204} 3204}
3205 3205
3206/* ------------------------------------------------------------------------- */ 3206/* ------------------------------------------------------------------------- */
3207/* 3207/*
3210 * flag == 0 ==> button 1 3210 * flag == 0 ==> button 1
3211 * flag == 1 ==> button 3 press 3211 * flag == 1 ==> button 3 press
3212 * flag == 2 ==> button 3 motion 3212 * flag == 2 ==> button 3 motion
3213 */ 3213 */
3214void 3214void
3215rxvt_term::selection_extend (int x, int y, int flag) 3215rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3216{ 3216{
3217 int col, row; 3217 int col = clamp (Pixel2Col (x), 0, ncol);
3218 3218 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3219 col = Pixel2Col (x);
3220 row = Pixel2Row (y);
3221 MAX_IT (row, 0);
3222 MIN_IT (row, (int)nrow - 1);
3223 MAX_IT (col, 0);
3224 MIN_IT (col, (int)ncol);
3225 3219
3226 /* 3220 /*
3227 * If we're selecting characters (single click) then we must check first 3221 * If we're selecting characters (single click) then we must check first
3228 * if we are at the same place as the original mark. If we are then 3222 * if we are at the same place as the original mark. If we are then
3229 * select nothing. Otherwise, if we're to the right of the mark, you have to 3223 * select nothing. Otherwise, if we're to the right of the mark, you have to
3230 * be _past_ a character for it to be selected. 3224 * be _past_ a character for it to be selected.
3231 */ 3225 */
3232 if (((selection.clicks % 3) == 1) && !flag 3226 if (((selection.clicks % 3) == 1) && !flag
3233 && (col == selection.mark.col 3227 && (col == selection.mark.col
3234 && (row == selection.mark.row + view_start))) 3228 && (row == selection.mark.row - view_start)))
3235 { 3229 {
3236 /* select nothing */ 3230 /* select nothing */
3237 selection.beg.row = selection.end.row = 0; 3231 selection.beg.row = selection.end.row = 0;
3238 selection.beg.col = selection.end.col = 0; 3232 selection.beg.col = selection.end.col = 0;
3239 selection.clicks = 4; 3233 selection.clicks = 4;
3252/* ------------------------------------------------------------------------- */ 3246/* ------------------------------------------------------------------------- */
3253/* 3247/*
3254 * Extend the selection to the specified col/row 3248 * Extend the selection to the specified col/row
3255 */ 3249 */
3256void 3250void
3257rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3251rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3258{ 3252{
3259 int end_col;
3260 row_col_t pos; 3253 row_col_t pos;
3261 enum { 3254 enum {
3262 LEFT, RIGHT 3255 LEFT, RIGHT
3263 } closeto = RIGHT; 3256 } closeto = RIGHT;
3264 3257
3295 selection.beg.col = selection.end.col = selection.mark.col; 3288 selection.beg.col = selection.end.col = selection.mark.col;
3296 selection.beg.row = selection.end.row = selection.mark.row; 3289 selection.beg.row = selection.end.row = selection.mark.row;
3297 } 3290 }
3298 3291
3299 pos.col = col; 3292 pos.col = col;
3300 pos.row = row; 3293 pos.row = view_start + row;
3301
3302 pos.row -= view_start; /* adjust for scroll */
3303 3294
3304 /* 3295 /*
3305 * This is mainly xterm style selection with a couple of differences, mainly 3296 * This is mainly xterm style selection with a couple of differences, mainly
3306 * in the way button3 drag extension works. 3297 * in the way button3 drag extension works.
3307 * We're either doing: button1 drag; button3 press; or button3 drag 3298 * We're either doing: button1 drag; button3 press; or button3 drag
3366 } 3357 }
3367 } 3358 }
3368 3359
3369 if (selection.clicks == 1) 3360 if (selection.clicks == 1)
3370 { 3361 {
3371 end_col = save[selection.beg.row + saveLines].l; 3362 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3372 3363 && !ROW(selection.beg.row).is_longer ()
3373 if (selection.beg.col > end_col
3374 && end_col != -1
3375#if ENABLE_FRILLS 3364#if ENABLE_FRILLS
3376 && !selection.rect 3365 && !selection.rect
3377#endif 3366#endif
3378 ) 3367 )
3379 selection.beg.col = ncol; 3368 selection.beg.col = ncol;
3380 3369
3381 end_col = save[selection.end.row + saveLines].l;
3382
3383 if ( 3370 if (
3384 selection.end.col > end_col 3371 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3385 && end_col != -1 3372 && !ROW(selection.end.row).is_longer ()
3386#if ENABLE_FRILLS 3373#if ENABLE_FRILLS
3387 && !selection.rect 3374 && !selection.rect
3388#endif 3375#endif
3389 ) 3376 )
3390 selection.end.col = ncol; 3377 selection.end.col = ncol;
3398 selection_delimit_word (DN, &selection.end, &selection.end); 3385 selection_delimit_word (DN, &selection.end, &selection.end);
3399 } 3386 }
3400 else if (selection.clicks == 3) 3387 else if (selection.clicks == 3)
3401 { 3388 {
3402#if ENABLE_FRILLS 3389#if ENABLE_FRILLS
3403 if (options & Opt_tripleclickwords) 3390 if (OPTION (Opt_tripleclickwords))
3404 { 3391 {
3405 int end_row;
3406
3407 selection_delimit_word (UP, &selection.beg, &selection.beg); 3392 selection_delimit_word (UP, &selection.beg, &selection.beg);
3408 end_row = save[selection.mark.row + saveLines].l;
3409 3393
3410 for (end_row = selection.mark.row; end_row < nrow; end_row++) 3394 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3411 { 3395 {
3412 end_col = save[end_row + saveLines].l; 3396 if (!ROW(end_row).is_longer ())
3413
3414 if (end_col != -1)
3415 { 3397 {
3416 selection.end.row = end_row; 3398 selection.end.row = end_row;
3417 selection.end.col = end_col; 3399 selection.end.col = ROW(end_row).l;
3418 selection_remove_trailing_spaces (); 3400 selection_remove_trailing_spaces ();
3419 break; 3401 break;
3420 } 3402 }
3421 } 3403 }
3422 } 3404 }
3429 selection.beg.col = 0; 3411 selection.beg.col = 0;
3430 selection.end.col = ncol; 3412 selection.end.col = ncol;
3431 3413
3432 // select a complete logical line 3414 // select a complete logical line
3433 while (selection.beg.row > -saveLines 3415 while (selection.beg.row > -saveLines
3434 && save[selection.beg.row - 1 + saveLines].is_cont ()) 3416 && ROW(selection.beg.row - 1).is_longer ())
3435 selection.beg.row--; 3417 selection.beg.row--;
3436 3418
3437 while (selection.end.row < nrow 3419 while (selection.end.row < nrow
3438 && save[selection.end.row + saveLines].is_cont ()) 3420 && ROW(selection.end.row).is_longer ())
3439 selection.end.row++; 3421 selection.end.row++;
3440 } 3422 }
3441 } 3423 }
3442 3424
3443 if (button3 && buttonpress) 3425 if (button3 && buttonpress)
3454 } 3436 }
3455 } 3437 }
3456 3438
3457#if ENABLE_FRILLS 3439#if ENABLE_FRILLS
3458 if (selection.rect && selection.beg.col > selection.end.col) 3440 if (selection.rect && selection.beg.col > selection.end.col)
3459 SWAP_IT (selection.beg.col, selection.end.col, int); 3441 ::swap (selection.beg.col, selection.end.col);
3460#endif 3442#endif
3461} 3443}
3462 3444
3463#if ENABLE_FRILLS 3445#if ENABLE_FRILLS
3464void 3446void
3465rxvt_term::selection_remove_trailing_spaces () 3447rxvt_term::selection_remove_trailing_spaces () NOTHROW
3466{ 3448{
3467 int32_t end_col, end_row; 3449 int32_t end_col, end_row;
3468 text_t *stp; 3450 text_t *stp;
3469 3451
3470 end_col = selection.end.col; 3452 end_col = selection.end.col;
3471 end_row = selection.end.row; 3453 end_row = selection.end.row;
3472 3454
3473 for ( ; end_row >= selection.beg.row; ) 3455 for (; end_row >= selection.beg.row; )
3474 { 3456 {
3475 stp = save[end_row + saveLines].t; 3457 stp = ROW(end_row).t;
3476 3458
3477 while (--end_col >= 0) 3459 while (--end_col >= 0)
3478 { 3460 {
3479 if (stp[end_col] != ' ' 3461 if (stp[end_col] != NOCHAR
3480 && stp[end_col] != '\t' 3462 && !unicode::is_space (stp[end_col]))
3481 && stp[end_col] != NOCHAR)
3482 break; 3463 break;
3483 } 3464 }
3484 3465
3485 if (end_col >= 0 3466 if (end_col >= 0
3486 || save[end_row - 1 + saveLines].l != -1) 3467 || !ROW(end_row - 1).is_longer ())
3487 { 3468 {
3488 selection.end.col = end_col + 1; 3469 selection.end.col = end_col + 1;
3489 selection.end.row = end_row; 3470 selection.end.row = end_row;
3490 break; 3471 break;
3491 } 3472 }
3509/* 3490/*
3510 * Double click on button 3 when already selected 3491 * Double click on button 3 when already selected
3511 * EXT: button 3 double click 3492 * EXT: button 3 double click
3512 */ 3493 */
3513void 3494void
3514rxvt_term::selection_rotate (int x, int y) 3495rxvt_term::selection_rotate (int x, int y) NOTHROW
3515{ 3496{
3516 selection.clicks = selection.clicks % 3 + 1; 3497 selection.clicks = selection.clicks % 3 + 1;
3517 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3498 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3518} 3499}
3519 3500
3521/* 3502/*
3522 * Respond to a request for our current selection 3503 * Respond to a request for our current selection
3523 * EXT: SelectionRequest 3504 * EXT: SelectionRequest
3524 */ 3505 */
3525void 3506void
3526rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3507rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3527{ 3508{
3528 XSelectionEvent ev; 3509 XSelectionEvent ev;
3529 dDisp;
3530 3510
3531 ev.type = SelectionNotify; 3511 ev.type = SelectionNotify;
3532 ev.property = None; 3512 ev.property = None;
3533 ev.display = rq.display; 3513 ev.display = rq.display;
3534 ev.requestor = rq.requestor; 3514 ev.requestor = rq.requestor;
3548 *target++ = xa[XA_COMPOUND_TEXT]; 3528 *target++ = xa[XA_COMPOUND_TEXT];
3549#if X_HAVE_UTF8_STRING 3529#if X_HAVE_UTF8_STRING
3550 *target++ = xa[XA_UTF8_STRING]; 3530 *target++ = xa[XA_UTF8_STRING];
3551#endif 3531#endif
3552 3532
3553 XChangeProperty (disp, rq.requestor, rq.property, XA_ATOM, 3533 XChangeProperty (xdisp, rq.requestor, rq.property, XA_ATOM,
3554 32, PropModeReplace, 3534 32, PropModeReplace,
3555 (unsigned char *)target_list, target - target_list); 3535 (unsigned char *)target_list, target - target_list);
3556 ev.property = rq.property; 3536 ev.property = rq.property;
3557 } 3537 }
3558#if TODO // TODO 3538#if TODO // TODO
3561 /* TODO: Handle MULTIPLE */ 3541 /* TODO: Handle MULTIPLE */
3562 } 3542 }
3563#endif 3543#endif
3564 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3544 else if (rq.target == xa[XA_TIMESTAMP] && selection.text)
3565 { 3545 {
3566 XChangeProperty (disp, rq.requestor, rq.property, rq.target, 3546 XChangeProperty (xdisp, rq.requestor, rq.property, rq.target,
3567 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3547 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3568 ev.property = rq.property; 3548 ev.property = rq.property;
3569 } 3549 }
3570 else if (rq.target == XA_STRING 3550 else if (rq.target == XA_STRING
3571 || rq.target == xa[XA_TEXT] 3551 || rq.target == xa[XA_TEXT]
3629 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen); 3609 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3630 ct.nitems = strlen ((char *)ct.value); 3610 ct.nitems = strlen ((char *)ct.value);
3631 } 3611 }
3632 else 3612 else
3633#endif 3613#endif
3634 if (XwcTextListToTextProperty (disp, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0) 3614 if (XwcTextListToTextProperty (xdisp, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3635 freect = 1; 3615 freect = 1;
3636 else 3616 else
3637 { 3617 {
3638 /* if we failed to convert then send it raw */ 3618 /* if we failed to convert then send it raw */
3639 ct.value = (unsigned char *)cl; 3619 ct.value = (unsigned char *)cl;
3640 ct.nitems = selectlen; 3620 ct.nitems = selectlen;
3641 ct.encoding = target; 3621 ct.encoding = target;
3642 } 3622 }
3643 3623
3644 XChangeProperty (disp, rq.requestor, rq.property, 3624 XChangeProperty (xdisp, rq.requestor, rq.property,
3645 ct.encoding, 8, PropModeReplace, 3625 ct.encoding, 8, PropModeReplace,
3646 ct.value, (int)ct.nitems); 3626 ct.value, (int)ct.nitems);
3647 ev.property = rq.property; 3627 ev.property = rq.property;
3648 3628
3649 if (freect) 3629 if (freect)
3650 XFree (ct.value); 3630 XFree (ct.value);
3651 } 3631 }
3652 3632
3653 XSendEvent (disp, rq.requestor, False, 0L, (XEvent *)&ev); 3633 XSendEvent (xdisp, rq.requestor, False, 0L, (XEvent *)&ev);
3654} 3634}
3655 3635
3656/* ------------------------------------------------------------------------- * 3636/* ------------------------------------------------------------------------- *
3657 * MOUSE ROUTINES * 3637 * MOUSE ROUTINES *
3658 * ------------------------------------------------------------------------- */ 3638 * ------------------------------------------------------------------------- */
3659 3639
3660/* 3640/*
3661 * return col/row values corresponding to x/y pixel values 3641 * return col/row values corresponding to x/y pixel values
3662 */ 3642 */
3663void 3643void
3664rxvt_term::pixel_position (int *x, int *y) 3644rxvt_term::pixel_position (int *x, int *y) NOTHROW
3665{ 3645{
3666 *x = Pixel2Col (*x); 3646 *x = Pixel2Col (*x);
3667 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */ 3647 /* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3668 *y = Pixel2Row (*y); 3648 *y = Pixel2Row (*y);
3669 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */ 3649 /* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3670} 3650}
3671 3651
3672/* ------------------------------------------------------------------------- */ 3652/* ------------------------------------------------------------------------- */
3673#ifdef USE_XIM 3653#ifdef USE_XIM
3674void 3654void
3675rxvt_term::im_set_position (XPoint &pos) 3655rxvt_term::im_set_position (XPoint &pos) NOTHROW
3676{ 3656{
3677 XWindowAttributes xwa; 3657 XWindowAttributes xwa;
3678 3658
3679 XGetWindowAttributes (display->display, vt, &xwa); 3659 XGetWindowAttributes (xdisp, vt, &xwa);
3680 3660
3681 pos.x = xwa.x + Col2Pixel (screen.cur.col); 3661 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3682 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase; 3662 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3683} 3663}
3684#endif 3664#endif
3685 3665
3686#if ENABLE_OVERLAY 3666#if ENABLE_OVERLAY
3687void 3667void
3688rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3668rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3689{ 3669{
3690 if (nrow < 3 || ncol < 3) 3670 if (nrow < 1 || ncol < 1)
3691 return; 3671 return;
3692 3672
3693 want_refresh = 1; 3673 want_refresh = 1;
3694 3674
3695 scr_overlay_off (); 3675 scr_overlay_off ();
3696 3676
3697 if (x < 0) x = ncol - w; 3677 if (x < 0) x = ncol - w;
3698 if (y < 0) y = nrow - h; 3678 if (y < 0) y = nrow - h;
3699 3679
3700 // make space for border 3680 // make space for border
3701 w += 2; MIN_IT (w, ncol); 3681 w += 2; min_it (w, ncol);
3702 h += 2; MIN_IT (h, nrow); 3682 h += 2; min_it (h, nrow);
3703 3683
3704 x -= 1; MAX_IT (x, 0); 3684 x -= 1; clamp_it (x, 0, ncol - w);
3705 y -= 1; MAX_IT (y, 0); 3685 y -= 1; clamp_it (y, 0, nrow - h);
3706
3707 MIN_IT (x, ncol - w);
3708 MIN_IT (y, nrow - h);
3709 3686
3710 ov_x = x; ov_y = y; 3687 ov_x = x; ov_y = y;
3711 ov_w = w; ov_h = h; 3688 ov_w = w; ov_h = h;
3712 3689
3713 ov_text = new text_t *[h]; 3690 ov_text = new text_t *[h];
3741 *rp = r; 3718 *rp = r;
3742 } 3719 }
3743} 3720}
3744 3721
3745void 3722void
3746rxvt_term::scr_overlay_off () 3723rxvt_term::scr_overlay_off () NOTHROW
3747{ 3724{
3748 if (!ov_text) 3725 if (!ov_text)
3749 return; 3726 return;
3750 3727
3751 want_refresh = 1; 3728 want_refresh = 1;
3759 delete [] ov_text; ov_text = 0; 3736 delete [] ov_text; ov_text = 0;
3760 delete [] ov_rend; ov_rend = 0; 3737 delete [] ov_rend; ov_rend = 0;
3761} 3738}
3762 3739
3763void 3740void
3764rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3741rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3765{ 3742{
3766 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3743 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3767 return; 3744 return;
3768 3745
3769 x++, y++; 3746 x++, y++;
3771 ov_text[y][x] = text; 3748 ov_text[y][x] = text;
3772 ov_rend[y][x] = rend; 3749 ov_rend[y][x] = rend;
3773} 3750}
3774 3751
3775void 3752void
3776rxvt_term::scr_overlay_set (int x, int y, const char *s) 3753rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3777{ 3754{
3778 while (*s) 3755 while (*s)
3779 scr_overlay_set (x++, y, *s++); 3756 scr_overlay_set (x++, y, *s++);
3780} 3757}
3781 3758
3782void 3759void
3783rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3760rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3784{ 3761{
3785 while (*s) 3762 while (*s)
3786 { 3763 {
3787 text_t t = *s++; 3764 text_t t = *s++;
3788 int width = wcwidth (t); 3765 int width = WCWIDTH (t);
3789 3766
3790 while (width--) 3767 while (width--)
3791 { 3768 {
3792 scr_overlay_set (x++, y, t); 3769 scr_overlay_set (x++, y, t);
3793 t = NOCHAR; 3770 t = NOCHAR;
3794 } 3771 }
3795 } 3772 }
3796} 3773}
3797 3774
3798void 3775void
3799rxvt_term::scr_swap_overlay () 3776rxvt_term::scr_swap_overlay () NOTHROW
3800{ 3777{
3801 if (!ov_text) 3778 if (!ov_text)
3802 return; 3779 return;
3803 3780
3804 int row_offset = ov_y + saveLines - view_start;
3805
3806 // swap screen mem with overlay 3781 // swap screen mem with overlay
3807 for (int y = ov_h; y--; ) 3782 for (int y = ov_h; y--; )
3808 { 3783 {
3809 text_t *t1 = ov_text[y]; 3784 text_t *t1 = ov_text[y];
3810 rend_t *r1 = ov_rend[y]; 3785 rend_t *r1 = ov_rend[y];
3811 3786
3812 text_t *t2 = save[y + row_offset].t + ov_x; 3787 text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3813 rend_t *r2 = save[y + row_offset].r + ov_x; 3788 rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3814 3789
3815 for (int x = ov_w; x--; ) 3790 for (int x = ov_w; x--; )
3816 { 3791 {
3817 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3792 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3818 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3793 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3820 } 3795 }
3821} 3796}
3822 3797
3823#endif 3798#endif
3824/* ------------------------------------------------------------------------- */ 3799/* ------------------------------------------------------------------------- */
3800

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