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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.175 by root, Tue Dec 20 19:30:59 2005 UTC vs.
Revision 1.422 by root, Thu Jun 28 15:19:15 2012 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
24 * This file handles _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
25 */ 25 */
26 26
27#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29 29#include "rxvtperl.h" /* NECESSARY */
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 30
32#include <inttypes.h> 31#include <inttypes.h>
33 32
34#include "salloc.C" // HACK, should be a seperate compile! 33static inline void
35
36inline void fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
37{ 35{
38 while (len--) 36 while (len--)
39 *start++ = value; 37 *start++ = value;
40} 38}
41 39
42/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 256*1024
44#define PASTE_SIZE 32768
45#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
46 42
47/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 46#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 47 if (option (Opt_scrollTtyOutput)) \
52 view_start = 0 48 view_start = 0
53#define CLEAR_SELECTION() \ 49#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 50 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 51 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 52#define CLEAR_ALL_SELECTION() \
… …
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 79#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 80 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 81#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col) 82 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 83
88#define LINENO(n) (((n) + term_start + total_rows) % total_rows)
89#define ROW(n) (save [LINENO (n)])
90
91/* 84/*
92 * CLEAR_ROWS : clear <num> rows starting from row <row>
93 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 85 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
94 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 */ 86 */
96#define drawBuffer vt
97
98#define CLEAR_ROWS(row, num) \
99 if (mapped) \
100 XClearArea (display->display, drawBuffer, 0, \
101 Row2Pixel (row), (unsigned int)width, \
102 (unsigned int)Height2Pixel (num), False)
103
104#define CLEAR_CHARS(x, y, num) \ 87#define CLEAR_CHARS(x, y, num) \
105 if (mapped) \ 88 if (mapped) \
106 XClearArea (display->display, drawBuffer, x, y, \ 89 XClearArea (dpy, vt, x, y, \
107 (unsigned int)Width2Pixel (num), \ 90 (unsigned int)Width2Pixel (num), \
108 (unsigned int)Height2Pixel (1), False) 91 (unsigned int)Height2Pixel (1), False)
109
110#define ERASE_ROWS(row, num) \
111 XFillRectangle (display->display, drawBuffer, gc, \
112 0, Row2Pixel (row), \
113 (unsigned int)width, \
114 (unsigned int)Height2Pixel (num))
115 92
116/* ------------------------------------------------------------------------- * 93/* ------------------------------------------------------------------------- *
117 * SCREEN `COMMON' ROUTINES * 94 * SCREEN `COMMON' ROUTINES *
118 * ------------------------------------------------------------------------- */ 95 * ------------------------------------------------------------------------- */
119 96
120/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
121void 98void
122rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) 99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
123{ 100{
124 if (!l.t) 101 if (!l.valid ())
125 { 102 {
126 lalloc (l); 103 l.alloc ();
127 col = 0; 104 col = 0;
128 width = ncol; 105 width = ncol;
129 } 106 }
130 107
131 efs &= ~RS_baseattrMask; 108 l.touch ();
109
110 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
132 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 111 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
133 112
134 text_t *et = l.t + col; 113 text_t *et = l.t + col;
135 rend_t *er = l.r + col; 114 rend_t *er = l.r + col;
136 115
… …
142} 121}
143 122
144/* ------------------------------------------------------------------------- */ 123/* ------------------------------------------------------------------------- */
145/* Fill a full line with blanks - make sure it is allocated first */ 124/* Fill a full line with blanks - make sure it is allocated first */
146void 125void
147rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) 126rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
148{ 127{
149 scr_blank_line (l, 0, ncol, efs); 128 scr_blank_line (l, 0, ncol, efs);
129
130 l.l = 0;
131 l.f = 0;
132}
133
134// nuke a single wide character at the given column
135void
136rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
137{
138 // find begin
139 while (col > 0 && l.t[col] == NOCHAR)
140 col--;
141
142 rend_t rend = l.r[col] & ~RS_baseattrMask;
143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
146
147 // found start, nuke
148 do {
149 l.t[col] = ' ';
150 l.r[col] = rend;
151 col++;
152 } while (col < ncol && l.t[col] == NOCHAR);
150} 153}
151 154
152/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
153 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
154 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
155void 159void
160rxvt_term::scr_alloc () NOTHROW
161{
162 int tsize = sizeof (text_t) * ncol;
163 int rsize = sizeof (rend_t) * ncol;
164
165 // we assume that rend_t size is a sufficient alignment
166 // factor for text_t and line_t values, and we only
167 // need to adjust tsize.
168 tsize = (tsize + sizeof (rend_t) - 1);
169 tsize -= tsize % sizeof (rend_t);
170
171 int all_rows = total_rows + nrow + nrow;
172
173 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174 chunk = chunk_alloc (chunk_size, 0);
175
176 char *base = (char *)chunk + sizeof (line_t) * all_rows;
177
178 for (int row = 0; row < all_rows; ++row)
179 {
180 line_t &l = ((line_t *)chunk) [row];
181
182 l.t = (text_t *)base; base += tsize;
183 l.r = (rend_t *)base; base += rsize;
184 l.l = -1;
185 l.f = 0;
186 }
187
188 drawn_buf = (line_t *)chunk;
189 swap_buf = drawn_buf + nrow;
190 row_buf = swap_buf + nrow;
191}
192
193void ecb_cold
156rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
157{ 195{
158 unsigned int p, q;
159 int k;
160
161#if ENABLE_OVERLAY 196#if ENABLE_OVERLAY
162 scr_overlay_off (); 197 scr_overlay_off ();
163#endif 198#endif
164 199
165 view_start = 0; 200 view_start = 0;
… …
173 208
174 if (ncol == prev_ncol && nrow == prev_nrow) 209 if (ncol == prev_ncol && nrow == prev_nrow)
175 return; 210 return;
176 211
177 // we need at least two lines for wrapping to work correctly 212 // we need at least two lines for wrapping to work correctly
178 if (nrow + saveLines < 2) 213 while (nrow + saveLines < 2)
179 { 214 {
215 //TODO//FIXME
180 saveLines++; 216 saveLines++;
181 prev_nrow--; 217 prev_nrow--;
182 nsaved++; 218 top_row--;
183 } 219 }
184 220
185 want_refresh = 1; 221 want_refresh = 1;
186 222
187 int prev_total_rows = prev_nrow + saveLines; 223 int prev_total_rows = prev_nrow + saveLines;
188 total_rows = nrow + saveLines; 224 total_rows = nrow + saveLines;
189 225
190 screen.tscroll = 0; 226 screen.tscroll = 0;
191 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
192 228
193 if (!save) 229 void *prev_chunk = chunk;
230 line_t *prev_drawn_buf = drawn_buf;
231 line_t *prev_swap_buf = swap_buf;
232 line_t *prev_row_buf = row_buf;
233
234 int common_col = min (prev_ncol, ncol);
235
236 scr_alloc ();
237
238 if (!prev_row_buf)
194 { 239 {
195 /* 240 /*
196 * first time called so just malloc everything: don't rely on realloc 241 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
197 * Note: this is still needed so that all the scrollback lines are NULL
198 */ 242 */
199 nsaved = 0; /* no saved lines */ 243 top_row = 0;
200 term_start = 0; 244 term_start = 0;
201
202 talloc = new rxvt_salloc (ncol * sizeof (text_t));
203 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
204
205 save = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
206 buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
207 drawn = (line_t *)rxvt_calloc (nrow, sizeof (line_t));
208 swap_save = (line_t *)rxvt_calloc (nrow, sizeof (line_t));
209
210 for (p = nrow; p--; )
211 {
212 scr_blank_screen_mem (ROW(p), DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE);
214 scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
215 }
216 245
217 memset (charsets, 'B', sizeof (charsets)); 246 memset (charsets, 'B', sizeof (charsets));
218 rstyle = DEFAULT_RSTYLE; 247 rstyle = DEFAULT_RSTYLE;
219 screen.flags = Screen_DefaultFlags; 248 screen.flags = Screen_DefaultFlags;
220 screen.cur.row = screen.cur.col = 0; 249 screen.cur.row = screen.cur.col = 0;
… …
234 selection.text = NULL; 263 selection.text = NULL;
235 selection.len = 0; 264 selection.len = 0;
236 selection.op = SELECTION_CLEAR; 265 selection.op = SELECTION_CLEAR;
237 selection.screen = PRIMARY; 266 selection.screen = PRIMARY;
238 selection.clicks = 0; 267 selection.clicks = 0;
239 CLEAR_ALL_SELECTION (); 268 selection.clip_text = NULL;
240 rvideo = 0; 269 selection.clip_len = 0;
241 } 270 }
242 else 271 else
243 { 272 {
244 /* 273 /*
245 * add or delete rows as appropriate 274 * add or delete rows as appropriate
246 */ 275 */
247 276
248 rxvt_salloc *old_ta; 277 for (int row = min (nrow, prev_nrow); row--; )
249 rxvt_salloc *old_ra; 278 {
279 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
280 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
250 281
251 if (nrow < prev_nrow) 282 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
283 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
284 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
285 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
252 { 286 }
253 /* delete rows */
254 k = min (nsaved, prev_nrow - nrow);
255 // k = max (0, - ( (nrow - 1) - r->screen.cur.row)); // mmc's http://maruska.dyndns.org/wiki/scrolling-bug //make configurable? //D TODO
256 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
257 287
258 for (p = nrow; p < prev_nrow; p++) 288 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
289 int pend = MOD (term_start + top_row , prev_total_rows);
290 int q = total_rows; // rewrapped row
291
292 if (top_row)
293 {
294 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
295 // to come up with a lean and mean algorithm.
296 // TODO: maybe optimise when width didn't change
297
298 row_col_t ocur = screen.cur;
299 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
300
301 do
259 { 302 {
260 lfree (ROW(p)); 303 p = MOD (p - 1, prev_total_rows);
261 lfree (swap_save[p]); 304 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
262 lfree (drawn[p]);
263 }
264
265 /* we have fewer rows so fix up cursor position */
266 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
267
268 scr_reset_realloc (); /* realloc _last_ */
269 }
270 else if (nrow > prev_nrow)
271 {
272 /* add rows */
273 scr_reset_realloc (); /* realloc _first_ */
274
275 int ocol = ncol;
276 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
277
278 k = min (nsaved, nrow - prev_nrow);
279
280 for (p = prev_total_rows; p < total_rows; p++)
281 save[p].clear ();
282
283 for (p = prev_total_rows; p < total_rows - k; p++)
284 scr_blank_screen_mem (save[p], DEFAULT_RSTYLE);
285
286 for (p = prev_nrow; p < nrow; p++)
287 {
288 swap_save[p].clear (); scr_blank_screen_mem (swap_save[p], DEFAULT_RSTYLE);
289 drawn[p].clear (); scr_blank_screen_mem (drawn[p], DEFAULT_RSTYLE);
290 }
291
292 if (k > 0)
293 {
294 scr_scroll_text (0, (int)nrow - 1, -k, 1);
295 screen.cur.row += k;
296 screen.s_cur.row += k;
297 nsaved -= k;
298 }
299
300#ifdef DEBUG_STRICT
301 assert (screen.cur.row < nrow);
302#else /* drive with your eyes closed */
303 MIN_IT (screen.cur.row, nrow - 1);
304#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; 305 int plines = 1;
306 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
352 307
353 assert (llen >= 0); 308 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
354
355 while (p && save[p - 1].l < 0)
356 { 309 {
310 p = MOD (p - 1, prev_total_rows);
311
357 --p; 312 plines++;
358 llen += prev_ncol; 313 llen += prev_ncol;
359 } 314 }
360 315
361 int qlines = llen / ncol + 1; 316 int qlines = max (0, (llen - 1) / ncol) + 1;
317
318 // drop partial lines completely
319 if (q < qlines)
320 break;
321
322 q -= qlines;
323
362 int lofs = 0; 324 int lofs = 0;
325 line_t *qline;
363 326
364 q -= qlines; 327 // 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++) 328 for (int qrow = q; qlines--; qrow++)
370 { 329 {
330 qline = row_buf + qrow;
331 qline->alloc (); // redundant with next line
332 qline->l = ncol;
333 qline->is_longer (1);
334
335 int qcol = 0;
336
337 // see below for cursor adjustment rationale
371 if (qrow >= 0) 338 if (p == ocur.row)
339 screen.cur.row = q - (total_rows - nrow);
340
341 // fill a single destination line
342 while (lofs < llen && qcol < ncol)
372 { 343 {
373 tp [qrow] = (text_t *)ta->alloc ();
374 rp [qrow] = (rend_t *)ra->alloc ();
375 tl [qrow] = LINE_CONT1;
376
377 int qcol = 0;
378
379 for (;;)
380 {
381 int prow = lofs / prev_ncol + p; 344 int prow = lofs / prev_ncol;
382 int pcol = lofs % prev_ncol; 345 int pcol = lofs % prev_ncol;
383 346
347 prow = MOD (p + prow, prev_total_rows);
348
349 // we only adjust the cursor _row_ and put it into
350 // the topmost line of "long line" it was in, as
351 // this seems to upset applications/shells/readline
352 // least.
353 if (prow == ocur.row)
354 screen.cur.row = q - (total_rows - nrow);
355
356 line_t &pline = prev_row_buf [prow];
357
384 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs); 358 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
385 359
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)); 360 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
402 memcpy (rp [qrow] + qcol, save[prow].r + pcol, len * sizeof (rend_t)); 361 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
403 362
404 lofs += len; 363 lofs += len;
405 qcol += len; 364 qcol += len;
406
407 if (qcol == ncol)
408 break;
409 }
410 } 365 }
411 else
412 lofs += ncol;
413 } 366 }
367
368 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
369 qline->is_longer (0);
370 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
414 } 371 }
372 while (p != pend && q > 0);
373
374 term_start = total_rows - nrow;
375 top_row = q - term_start;
376
377 // make sure all terminal lines exist
378 while (top_row > 0)
379 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
380 }
381 else
415 } 382 {
383 // if no scrollback exists (yet), wing, instead of wrap
416 384
417 free (screen.text); screen.text = tp; 385 for (int row = min (nrow, prev_nrow); row--; )
418 free (screen.rend); screen.rend = rp; 386 {
419 free (screen.tlen); screen.tlen = tl; 387 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
388 line_t &dst = row_buf [row];
420 389
421 for (p = 0; p < total_rows; p++) printf ("P %p %d\n", save[p].t, save[p].l);//D 390 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
422#endif
423 391
424 if (tabs) 392 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
393 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
394 }
395
396 for (int row = prev_nrow; row < nrow; row++)
397 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
398
399 term_start = 0;
400 }
401
402 clamp_it (screen.cur.row, 0, nrow - 1);
403 clamp_it (screen.cur.col, 0, ncol - 1);
404 }
405
406 for (int row = nrow; row--; )
407 {
408 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
409 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
410 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
411 }
412
413 free (prev_chunk);
414
425 free (tabs); 415 free (tabs);
426 } 416 tabs = (char *)rxvt_malloc (ncol);
417
418 for (int col = ncol; col--; )
419 tabs [col] = col % TABSIZE == 0;
420
421 CLEAR_ALL_SELECTION ();
427 422
428 prev_nrow = nrow; 423 prev_nrow = nrow;
429 prev_ncol = ncol; 424 prev_ncol = ncol;
430 425
431 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
432
433 for (p = 0; p < ncol; p++)
434 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
435
436 tt_winch (); 426 tt_winch ();
437}
438 427
439void 428 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
440rxvt_term::scr_reset_realloc ()
441{
442 swap_save = (line_t *) rxvt_realloc (swap_save , nrow * sizeof (line_t));
443 drawn = (line_t *) rxvt_realloc (drawn , nrow * sizeof (line_t));
444 buf = (line_t *) rxvt_realloc (buf , nrow * sizeof (line_t));
445 save = (line_t *) rxvt_realloc (save , total_rows * sizeof (line_t));
446} 429}
447 430
448/* ------------------------------------------------------------------------- */ 431void ecb_cold
449/*
450 * Free everything. That way malloc debugging can find leakage.
451 */
452void
453rxvt_term::scr_release () 432rxvt_term::scr_release () NOTHROW
454{ 433{
455 delete talloc; talloc = 0; 434 chunk_free (chunk, chunk_size);
456 delete ralloc; ralloc = 0; 435 chunk = 0;
436 row_buf = 0;
457 437
458 free (save);
459 free (swap_save);
460 free (drawn);
461 free (buf);
462 free (tabs); 438 free (tabs);
439 tabs = 0;
463} 440}
464 441
465/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
466/* 443/*
467 * Hard reset 444 * Hard/Soft reset
468 */ 445 */
469void 446void ecb_cold
470rxvt_term::scr_poweron () 447rxvt_term::scr_poweron ()
471{ 448{
472 scr_release (); 449 scr_release ();
450
473 prev_nrow = prev_ncol = 0; 451 prev_nrow = prev_ncol = 0;
452 rvideo_mode = false;
453 scr_soft_reset ();
474 scr_reset (); 454 scr_reset ();
475 455
476 scr_clear (true); 456 scr_clear (true);
477 scr_refresh (SLOW_REFRESH); 457 scr_refresh ();
458}
459
460void ecb_cold
461rxvt_term::scr_soft_reset () NOTHROW
462{
463 /* only affects modes, nothing drastic such as clearing the screen */
464#if ENABLE_OVERLAY
465 scr_overlay_off ();
466#endif
467
468 if (current_screen != PRIMARY)
469 scr_swap_screen ();
470
471 scr_scroll_region (0, MAX_ROWS - 1);
472 scr_rendition (0, ~RS_None);
473 scr_insert_mode (0);
478} 474}
479 475
480/* ------------------------------------------------------------------------- * 476/* ------------------------------------------------------------------------- *
481 * PROCESS SCREEN COMMANDS * 477 * PROCESS SCREEN COMMANDS *
482 * ------------------------------------------------------------------------- */ 478 * ------------------------------------------------------------------------- */
… …
484 * Save and Restore cursor 480 * Save and Restore cursor
485 * XTERM_SEQ: Save cursor : ESC 7 481 * XTERM_SEQ: Save cursor : ESC 7
486 * XTERM_SEQ: Restore cursor: ESC 8 482 * XTERM_SEQ: Restore cursor: ESC 8
487 */ 483 */
488void 484void
489rxvt_term::scr_cursor (int mode) 485rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
490{ 486{
491 screen_t *s; 487 screen_t *s;
492 488
493#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 489#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
494 if (current_screen == SECONDARY) 490 if (current_screen == SECONDARY)
… …
518 set_font_style (); 514 set_font_style ();
519 break; 515 break;
520 } 516 }
521 517
522 /* boundary check in case screen size changed between SAVE and RESTORE */ 518 /* boundary check in case screen size changed between SAVE and RESTORE */
523 MIN_IT (s->cur.row, nrow - 1); 519 min_it (s->cur.row, nrow - 1);
524 MIN_IT (s->cur.col, ncol - 1); 520 min_it (s->cur.col, ncol - 1);
525#ifdef DEBUG_STRICT
526 assert (s->cur.row >= 0); 521 assert (s->cur.row >= 0);
527 assert (s->cur.col >= 0); 522 assert (s->cur.col >= 0);
528#else /* drive with your eyes closed */ 523}
529 MAX_IT (s->cur.row, 0); 524
530 MAX_IT (s->cur.col, 0); 525void
531#endif 526rxvt_term::scr_swap_screen () NOTHROW
527{
528 if (!option (Opt_secondaryScreen))
529 return;
530
531 for (int i = prev_nrow; i--; )
532 ::swap (ROW(i), swap_buf [i]);
533
534 ::swap (screen.cur, swap.cur);
535
536 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
537 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
532} 538}
533 539
534/* ------------------------------------------------------------------------- */ 540/* ------------------------------------------------------------------------- */
535/* 541/*
536 * Swap between primary and secondary screens 542 * Swap between primary and secondary screens
537 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 543 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
538 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 544 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
539 */ 545 */
540int 546void
541rxvt_term::scr_change_screen (int scrn) 547rxvt_term::scr_change_screen (int scrn)
542{ 548{
543 int i; 549 if (scrn == current_screen)
550 return;
551
552 want_refresh = 1;
553 view_start = 0;
554
555 /* check for boundary cross */
556 row_col_t pos;
557 pos.row = pos.col = 0;
558 if (ROWCOL_IS_BEFORE (selection.beg, pos)
559 && ROWCOL_IS_AFTER (selection.end, pos))
560 CLEAR_SELECTION ();
561
562 current_screen = scrn;
563
544#if NSCREENS 564#if NSCREENS
545 int offset;
546#endif
547
548 want_refresh = 1;
549
550 view_start = 0;
551
552 if (current_screen == scrn)
553 return scrn;
554
555 selection_check (2); /* check for boundary cross */
556
557 i = current_screen; current_screen = scrn; scrn = i;
558
559 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
560 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
561 MAX_IT (screen.cur.row, 0);
562 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
563 MAX_IT (screen.cur.col, 0);
564 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
565
566#if NSCREENS
567 if (options & Opt_secondaryScreen) 565 if (option (Opt_secondaryScreen))
568 { 566 {
569 num_scr = 0; 567 num_scr = 0;
570 offset = saveLines;
571 568
572 for (i = prev_nrow; i--;) 569 scr_swap_screen ();
573 SWAP_IT (ROW(i), swap_save[i], line_t);
574 570
575 SWAP_IT (screen.charset, swap.charset, int16_t); 571 ::swap (screen.charset, swap.charset);
576 SWAP_IT (screen.flags, swap.flags, int); 572 ::swap (screen.flags, swap.flags);
577 screen.flags |= Screen_VisibleCursor; 573 screen.flags |= Screen_VisibleCursor;
578 swap.flags |= Screen_VisibleCursor; 574 swap.flags |= Screen_VisibleCursor;
579 } 575 }
580 else 576 else
581#endif 577#endif
582 if (options & Opt_secondaryScroll) 578 if (option (Opt_secondaryScroll))
583 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 579 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
584
585 return scrn;
586} 580}
587 581
588// clear WrapNext indicator, solidifying position on next line 582// clear WrapNext indicator, solidifying position on next line
589void 583void
590rxvt_term::scr_do_wrap () 584rxvt_term::scr_do_wrap () NOTHROW
591{ 585{
592 if (!(screen.flags & Screen_WrapNext)) 586 if (!(screen.flags & Screen_WrapNext))
593 return; 587 return;
594 588
595 screen.flags &= ~Screen_WrapNext; 589 screen.flags &= ~Screen_WrapNext;
596 590
597 screen.cur.col = 0; 591 screen.cur.col = 0;
598 592
599 if (screen.cur.row == screen.bscroll) 593 if (screen.cur.row == screen.bscroll)
600 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 594 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
601 else if (screen.cur.row < nrow - 1) 595 else if (screen.cur.row < nrow - 1)
602 screen.cur.row++; 596 screen.cur.row++;
603} 597}
604 598
605/* ------------------------------------------------------------------------- */ 599/* ------------------------------------------------------------------------- */
606/* 600/*
607 * Change the colour for following text 601 * Change the colour for following text
608 */ 602 */
609void 603void
610rxvt_term::scr_color (unsigned int color, int fgbg) 604rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
611{ 605{
612 if (color > maxTermCOLOR) 606 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
613 color = fgbg; 607 color = fgbg;
614 608
615 if (fgbg == Color_fg) 609 if (fgbg == Color_fg)
616 rstyle = SET_FGCOLOR (rstyle, color); 610 rstyle = SET_FGCOLOR (rstyle, color);
617 else 611 else
… …
621/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
622/* 616/*
623 * Change the rendition style for following text 617 * Change the rendition style for following text
624 */ 618 */
625void 619void
626rxvt_term::scr_rendition (int set, int style) 620rxvt_term::scr_rendition (int set, int style) NOTHROW
627 { 621{
628 if (set) 622 if (set)
629 rstyle |= style; 623 rstyle |= style;
630 else if (style == ~RS_None) 624 else if (style == ~RS_None)
631 rstyle = DEFAULT_RSTYLE; 625 rstyle = DEFAULT_RSTYLE;
632 else 626 else
633 rstyle &= ~style; 627 rstyle &= ~style;
634 } 628}
635 629
636/* ------------------------------------------------------------------------- */ 630/* ------------------------------------------------------------------------- */
637/* 631/*
638 * Scroll text between <row1> and <row2> inclusive, by <count> lines 632 * Scroll text between <row1> and <row2> inclusive, by <count> lines
639 * count positive ==> scroll up 633 * count positive ==> scroll up
640 * count negative ==> scroll down 634 * count negative ==> scroll down
641 * spec == 0 for normal routines
642 */ 635 */
643int 636int ecb_hot
644rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 637rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
645{ 638{
646 int i, j;
647
648 if (count == 0 || (row1 > row2)) 639 if (count == 0 || (row1 > row2))
649 return 0; 640 return 0;
650 641
651 want_refresh = 1; 642 want_refresh = 1;
643 num_scr += count;
652 644
653 if (row1 == 0 && count > 0 645 if (count > 0
646 && row1 == 0
654 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 647 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
648 {
649 min_it (count, total_rows - (nrow - (row2 + 1)));
650
651 top_row = max (top_row - count, -saveLines);
652
653 // sever bottommost line
655 { 654 {
656 nsaved = min (nsaved + count, saveLines); 655 line_t &l = ROW(row2);
656 l.is_longer (0);
657 l.touch ();
658 }
659
660 // scroll everything up 'count' lines
657 term_start = (term_start + count) % total_rows; 661 term_start = (term_start + count) % total_rows;
658 662
663 // now copy lines below the scroll region bottom to the
664 // bottom of the screen again, so they look as if they
665 // hadn't moved.
666 for (int i = nrow; --i > row2; )
667 {
668 line_t &l1 = ROW(i - count);
669 line_t &l2 = ROW(i);
670
671 ::swap (l1, l2);
672 l2.touch ();
673 }
674
675 // erase newly scrolled-in lines
676 for (int i = count; i--; )
677 {
678 line_t &l = ROW(row2 - i);
679
680 // optimise if already cleared, can be significant on slow machines
681 // could be rolled into scr_blank_screen_mem
682 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
683 {
684 scr_blank_line (l, 0, l.l, rstyle);
685 l.l = 0;
686 l.f = 0;
687 }
688 else
689 scr_blank_screen_mem (l, rstyle);
690 }
691
692 // move and/or clear selection, if any
659 if (selection.op && current_screen == selection.screen) 693 if (selection.op && current_screen == selection.screen
694 && selection.beg.row <= row2)
660 { 695 {
661 selection.beg.row -= count; 696 selection.beg.row -= count;
662 selection.end.row -= count; 697 selection.end.row -= count;
663 selection.mark.row -= count; 698 selection.mark.row -= count;
664 }
665 699
666 for (int i = count; i--; ) 700 selection_check (0);
667 scr_blank_screen_mem (ROW(row2 - i), rstyle);
668 701 }
702
703 // finally move the view window, if desired
669 if ((options & Opt_scrollWithBuffer) 704 if (option (Opt_scrollWithBuffer)
670 && view_start != 0 705 && view_start != 0
671 && view_start != saveLines) 706 && view_start != -saveLines)
672 scr_page (UP, count); 707 scr_page (UP, count);
708
709 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
710 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
673 } 711 }
674 else 712 else
675 { 713 {
676 if (!spec)
677 row1 += saveLines;
678
679 row2 += saveLines;
680
681 if (selection.op && current_screen == selection.screen) 714 if (selection.op && current_screen == selection.screen)
682 { 715 {
683 i = selection.beg.row + saveLines; 716 if ((selection.beg.row < row1 && selection.end.row > row1)
684 j = selection.end.row + saveLines; 717 || (selection.beg.row < row2 && selection.end.row > row2)
685
686 if ((i < row1 && j > row1)
687 || (i < row2 && j > row2)
688 || (i - count < row1 && i >= row1) 718 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
689 || (i - count > row2 && i <= row2) 719 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
690 || (j - count < row1 && j >= row1) 720 || (selection.end.row - count < row1 && selection.end.row >= row1)
691 || (j - count > row2 && j <= row2)) 721 || (selection.end.row - count > row2 && selection.end.row <= row2))
692 { 722 {
693 CLEAR_ALL_SELECTION (); 723 CLEAR_ALL_SELECTION ();
694 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 724 selection.op = SELECTION_CLEAR;
695 } 725 }
696 else if (j >= row1 && j <= row2) 726 else if (selection.end.row >= row1 && selection.end.row <= row2)
697 { 727 {
698 /* move selected region too */ 728 /* move selected region too */
699 selection.beg.row -= count; 729 selection.beg.row -= count;
700 selection.end.row -= count; 730 selection.end.row -= count;
701 selection.mark.row -= count; 731 selection.mark.row -= count;
732
733 selection_check (0);
702 } 734 }
703 } 735 }
704 736
705 selection_check (0); /* _after_ nsaved update */ 737 // use a simple and robust scrolling algorithm, this
738 // part of scr_scroll_text is not time-critical.
706 739
707 num_scr += count; 740 // sever line above scroll region
708 j = count; 741 if (row1)
709
710 if (count < 0)
711 count = -count;
712
713 i = row2 - row1 + 1;
714 MIN_IT (count, i);
715
716 if (j > 0)
717 {
718 /* scroll up */
719
720 /* Copy lines that will get clobbered by the rotation */
721 memcpy (buf, save + row1, count * sizeof (line_t));
722
723 /* Rotate lines */
724 i = row2 - row1 - count + 1;
725 memmove (save + row1, save + row1 + count, i * sizeof (line_t));
726
727 j = row2 - count + 1, i = count;
728 } 742 {
729 else /* if (j < 0) */ 743 line_t &l = ROW(row1 - 1);
744 l.is_longer (0);
745 l.touch ();
730 { 746 }
731 /* scroll down */
732 747
733 /* Copy lines that will get clobbered by the rotation */ 748 int rows = row2 - row1 + 1;
734 for (i = 0, j = row2; i < count; i++, j--)
735 buf[i] = save[j];
736 749
737 /* Rotate lines */ 750 min_it (count, rows);
738 for (j = row2, i = j - count; i >= row1; i--, j--)
739 save[j] = save[i];
740 751
741 j = row1, i = count; 752 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
742 count = -count; 753
754 for (int row = 0; row < rows; row++)
743 } 755 {
756 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
744 757
745 /* Resurrect lines */ 758 if (!IN_RANGE_EXC (row + count, 0, rows))
746 memcpy (save + j, buf, i * sizeof (line_t));
747
748 if (!spec) /* line length may not equal ncol */
749 for (; i--; j++)
750 scr_blank_screen_mem (save[j], rstyle); 759 scr_blank_screen_mem (temp_buf [row], rstyle);
760 }
761
762 for (int row = 0; row < rows; row++)
763 ROW(row1 + row) = temp_buf [row];
764
765 // sever bottommost line
766 {
767 line_t &l = ROW(row2);
768 l.is_longer (0);
769 l.touch ();
770 }
751 } 771 }
752 772
753 return count; 773 return count;
754} 774}
755 775
756/* ------------------------------------------------------------------------- */ 776/* ------------------------------------------------------------------------- */
757/* 777/*
758 * Add text given in <str> of length <len> to screen struct 778 * Add text given in <str> of length <len> to screen struct
759 */ 779 */
760void 780void ecb_hot
761rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 781rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
762{ 782{
763 if (len <= 0) /* sanity */ 783 if (len <= 0) /* sanity */
764 return; 784 return;
765 785
766 unsigned char checksel; 786 bool checksel;
767 unicode_t c; 787 unicode_t c;
768 int row, last_col; 788 int ncol = this->ncol;
769 const unicode_t *strend = str + len; 789 const wchar_t *strend = str + len;
770 790
771 want_refresh = 1; 791 want_refresh = 1;
772 ZERO_SCROLLBACK (); 792 ZERO_SCROLLBACK ();
773 last_col = ncol;
774 793
775 if (nlines > 0) 794 if (minlines > 0)
776 { 795 {
777 nlines += screen.cur.row - screen.bscroll; 796 minlines += screen.cur.row - screen.bscroll;
797 min_it (minlines, screen.cur.row - top_row);
798
778 if ((nlines > 0) 799 if (minlines > 0
779 && (screen.tscroll == 0) 800 && screen.tscroll == 0
780 && (screen.bscroll == (nrow - 1))) 801 && screen.bscroll == nrow - 1)
781 { 802 {
782 /* _at least_ this many lines need to be scrolled */ 803 /* _at least_ this many lines need to be scrolled */
783 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 804 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
784 screen.cur.row -= nlines; 805 screen.cur.row -= minlines;
785 } 806 }
786 } 807 }
787 808
788#ifdef DEBUG_STRICT
789 assert (screen.cur.col < last_col); 809 assert (screen.cur.col < ncol);
790 assert ((screen.cur.row < nrow) 810 assert (screen.cur.row < nrow
791 && (screen.cur.row >= - (int32_t)nsaved)); 811 && screen.cur.row >= top_row);
792#else /* drive with your eyes closed */
793 MIN_IT (screen.cur.col, last_col - 1);
794 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
795 MAX_IT (screen.cur.row, - (int32_t)nsaved);
796#endif
797 row = screen.cur.row; 812 int row = screen.cur.row;
798 813
799 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 814 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
800 815
801 line_t *line = &ROW(row); 816 line_t *line = &ROW(row);
802 817
803 while (str < strend) 818 while (str < strend)
804 { 819 {
805 c = *str++; 820 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
806 821
807 if (c < 0x20) 822 if (ecb_unlikely (c < 0x20))
808 if (c == C0_LF) 823 if (c == C0_LF)
809 { 824 {
810 if (!line->is_longer ()) /* XXX: think about this */
811 MAX_IT (line->l, screen.cur.col); 825 max_it (line->l, screen.cur.col);
812 826
813 screen.flags &= ~Screen_WrapNext; 827 screen.flags &= ~Screen_WrapNext;
814 828
815 if (screen.cur.row == screen.bscroll) 829 if (screen.cur.row == screen.bscroll)
816 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 830 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
817 else if (screen.cur.row < (nrow - 1)) 831 else if (screen.cur.row < (nrow - 1))
818 row = ++screen.cur.row; 832 row = ++screen.cur.row;
819 833
820 line = &ROW(row); /* _must_ refresh */ 834 line = &ROW(row); /* _must_ refresh */
821 continue; 835 continue;
822 } 836 }
823 else if (c == C0_CR) 837 else if (c == C0_CR)
824 { 838 {
825 if (!line->is_longer ()) /* XXX: think about this */
826 MAX_IT (line->l, screen.cur.col); 839 max_it (line->l, screen.cur.col);
827 840
828 screen.flags &= ~Screen_WrapNext; 841 screen.flags &= ~Screen_WrapNext;
829 screen.cur.col = 0; 842 screen.cur.col = 0;
830 continue; 843 continue;
831 } 844 }
… …
833 { 846 {
834 scr_tab (1, true); 847 scr_tab (1, true);
835 continue; 848 continue;
836 } 849 }
837 850
851 if (ecb_unlikely (
838 if (checksel /* see if we're writing within selection */ 852 checksel /* see if we're writing within selection */
839 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 853 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
840 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 854 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
855 ))
841 { 856 {
842 checksel = 0; 857 checksel = 0;
843 /* 858 /*
844 * If we wrote anywhere in the selected area, kill the selection 859 * If we wrote anywhere in the selected area, kill the selection
845 * XXX: should we kill the mark too? Possibly, but maybe that 860 * XXX: should we kill the mark too? Possibly, but maybe that
846 * should be a similar check. 861 * should be a similar check.
847 */ 862 */
848 CLEAR_SELECTION (); 863 CLEAR_SELECTION ();
849 } 864 }
850 865
851 if (screen.flags & Screen_WrapNext) 866 if (ecb_unlikely (screen.flags & Screen_WrapNext))
852 { 867 {
853 line->set_is_longer ();
854
855 scr_do_wrap (); 868 scr_do_wrap ();
856 869
870 line->l = ncol;
871 line->is_longer (1);
872
857 row = screen.cur.row; 873 row = screen.cur.row;
858 line = &ROW(row); /* _must_ refresh */ 874 line = &ROW(row); /* _must_ refresh */
859 } 875 }
860 876
861 // some utf-8 decoders "decode" surrogate characters: let's fix this. 877 // some utf-8 decoders "decode" surrogate characters: let's fix this.
862 if (IN_RANGE_INC (c, 0xd800, 0xdfff)) 878 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
863 c = 0xfffd; 879 c = 0xfffd;
864 880
865 // rely on wcwidth to tell us the character width, at least for non-latin1 881 // rely on wcwidth to tell us the character width, do wcwidth before
866 // do wcwidth before further replacements, as wcwidth might return -1 882 // further replacements, as wcwidth might return -1 for the line
867 // for the line drawing characters below as they might be invalid in the current 883 // drawing characters below as they might be invalid in the current
868 // locale. 884 // locale.
869 int width = c < 0x100 ? 1 : wcwidth (c); 885 int width = WCWIDTH (c);
870 886
871 if (charsets[screen.charset] == '0') // DEC SPECIAL 887 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
872 { 888 {
873 // vt100 special graphics and line drawing 889 // vt100 special graphics and line drawing
874 // 5f-7e standard vt100 890 // 5f-7e standard vt100
875 // 40-5e rxvt extension for extra curses acs chars 891 // 40-5e rxvt extension for extra curses acs chars
876 static uint16_t vt100_0[62] = { // 41 .. 7e 892 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
889 c = vt100_0[c - 0x41]; 905 c = vt100_0[c - 0x41];
890 width = 1; // vt100 line drawing characters are always single-width 906 width = 1; // vt100 line drawing characters are always single-width
891 } 907 }
892 } 908 }
893 909
894 if (screen.flags & Screen_Insert) 910 if (ecb_unlikely (screen.flags & Screen_Insert))
895 scr_insdel_chars (width, INSERT); 911 scr_insdel_chars (width, INSERT);
896 912
897 if (width != 0) 913 if (width != 0)
898 { 914 {
899#if !UNICODE_3 915#if !UNICODE_3
… …
904# else 920# else
905 c = 0xfffd; 921 c = 0xfffd;
906# endif 922# endif
907#endif 923#endif
908 924
925 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
926
927 // if the character doesn't fit into the remaining columns...
928 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
929 {
930 if (screen.flags & Screen_Autowrap)
931 {
932 // ... artificially enlargen the previous one
933 c = NOCHAR;
934 // and try the same character next loop iteration
935 --str;
936 }
937 else
938 screen.cur.col = ncol - width;
939 }
940
909 // nuke the character at this position, if required 941 // nuke the character at this position, if required
942 // due to wonderful coincidences everywhere else in this loop
943 // we never have to check for overwriting a wide char itself,
944 // only its tail.
910 if (line->t[screen.cur.col] == NOCHAR 945 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
911 || (screen.cur.col < ncol - 1 946 scr_kill_char (*line, screen.cur.col);
912 && line->t[screen.cur.col + 1] == NOCHAR))
913 {
914 int col = screen.cur.col;
915 947
916 // find begin 948 line->touch ();
917 while (col > 0 && line->t[col] == NOCHAR)
918 col--;
919
920 rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
921
922 // found begin, nuke
923 do {
924 line->t[col] = ' ';
925 line->r[col] = rend;
926 col++;
927 } while (col < ncol && line->t[col] == NOCHAR);
928 }
929
930 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
931
932 // if the character doesn't fit into the remaining columns...
933 if (screen.cur.col > last_col - width && last_col >= width)
934 {
935 // ...output spaces
936 c = ' ';
937 // and try the same character next loop iteration
938 --str;
939 }
940 949
941 do 950 do
942 { 951 {
943 line->t[screen.cur.col] = c; 952 line->t[screen.cur.col] = c;
944 line->r[screen.cur.col] = rend; 953 line->r[screen.cur.col] = rend;
945 954
946 if (screen.cur.col < last_col - 1) 955 if (ecb_likely (screen.cur.col < ncol - 1))
947 screen.cur.col++; 956 screen.cur.col++;
948 else 957 else
949 { 958 {
950 line->l = last_col; 959 line->l = ncol;
951 if (screen.flags & Screen_Autowrap) 960 if (screen.flags & Screen_Autowrap)
952 screen.flags |= Screen_WrapNext; 961 screen.flags |= Screen_WrapNext;
953 break; 962
963 goto end_of_line;
954 } 964 }
955 965
956 c = NOCHAR; 966 c = NOCHAR;
957 } 967 }
958 while (--width > 0); 968 while (ecb_unlikely (--width > 0));
959 969
960 // pad with spaces when overwriting wide character with smaller one 970 // pad with spaces when overwriting wide character with smaller one
961 if (!width)
962 for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++) 971 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
963 { 972 {
964 line->t[c] = ' '; 973 line->t[c] = ' ';
965 line->r[c] = rend; 974 line->r[c] = rend;
966 } 975 }
976
977end_of_line:
967 } 978 ;
979 }
980#if ENABLE_COMBINING
968 else // width == 0 981 else // width == 0
969 { 982 {
970#if ENABLE_COMBINING 983 if (c != 0xfeff) // ignore BOM
971 // handle combining characters
972 // we just tag the accent on the previous on-screen character.
973 // this is arguably not correct, but also arguably not wrong.
974 // we don't handle double-width characters nicely yet.
975 text_t *tp;
976 rend_t *rp;
977
978 if (screen.cur.col > 0)
979 { 984 {
985 // handle combining characters
986 // we just tag the accent on the previous on-screen character.
987 // this is arguably not correct, but also arguably not wrong.
988 // we don't handle double-width characters nicely yet.
989 line_t *linep;
990 text_t *tp;
991 rend_t *rp;
992
993 if (screen.cur.col > 0)
994 {
995 linep = line;
980 tp = line->t + screen.cur.col - 1; 996 tp = line->t + screen.cur.col - 1;
981 rp = line->r + screen.cur.col - 1; 997 rp = line->r + screen.cur.col - 1;
998 }
999 else if (screen.cur.row > 0
1000 && ROW(screen.cur.row - 1).is_longer ())
1001 {
1002 linep = &ROW(screen.cur.row - 1);
1003 tp = line->t + ncol - 1;
1004 rp = line->r + ncol - 1;
1005 }
1006 else
1007 continue;
982 1008
1009 linep->touch ();
1010
983 while (*tp == NOCHAR && tp > line->t) 1011 while (*tp == NOCHAR && tp > linep->t)
984 tp--, rp--; 1012 tp--, rp--;
1013
1014 // first try to find a precomposed character
1015 unicode_t n = rxvt_compose (*tp, c);
1016 if (n == NOCHAR)
1017 n = rxvt_composite.compose (*tp, c);
1018
1019 *tp = n;
1020 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
985 } 1021 }
986 else if (screen.cur.row > 0
987 && ROW(screen.cur.row - 1).is_longer ())
988 {
989 line_t *line = &ROW(screen.cur.row - 1);
990
991 tp = line->t + last_col - 1;
992 rp = line->r + last_col - 1;
993
994 while (*tp == NOCHAR && tp > line->t)
995 tp--, rp--;
996 } 1022 }
997 else
998 continue;
999
1000 // first try to find a precomposed character
1001 unicode_t n = rxvt_compose (*tp, c);
1002 if (n == NOCHAR)
1003 n = rxvt_composite.compose (*tp, c);
1004
1005 *tp = n;
1006 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1007#endif 1023#endif
1008 }
1009 } 1024 }
1010 1025
1011 if (!line->is_longer ()) /* XXX: think about this */
1012 MAX_IT (line->l, screen.cur.col); 1026 max_it (line->l, screen.cur.col);
1013 1027
1014#ifdef DEBUG_STRICT
1015 assert (screen.cur.row >= 0); 1028 assert (screen.cur.row >= 0);
1016#else /* drive with your eyes closed */
1017 MAX_IT (screen.cur.row, 0);
1018#endif
1019} 1029}
1020 1030
1021/* ------------------------------------------------------------------------- */ 1031/* ------------------------------------------------------------------------- */
1022/* 1032/*
1023 * Process Backspace. Move back the cursor back a position, wrap if have to 1033 * Process Backspace. Move back the cursor back a position, wrap if have to
1024 * XTERM_SEQ: CTRL-H 1034 * XTERM_SEQ: CTRL-H
1025 */ 1035 */
1026void 1036void
1027rxvt_term::scr_backspace () 1037rxvt_term::scr_backspace () NOTHROW
1028{ 1038{
1029 want_refresh = 1;
1030
1031 if (screen.cur.col == 0) 1039 if (screen.cur.col == 0)
1032 { 1040 {
1033 if (screen.cur.row > 0) 1041 if (screen.cur.row > 0)
1034 { 1042 {
1035#ifdef TERMCAP_HAS_BW 1043#ifdef TERMCAP_HAS_BW
1036 screen.cur.col = ncol - 1; 1044 screen.cur.col = ncol - 1;
1037 screen.cur.row--; 1045 --screen.cur.row;
1038 return; 1046
1047 want_refresh = 1;
1039#endif 1048#endif
1040 } 1049 }
1041 } 1050 }
1042 else if (!(screen.flags & Screen_WrapNext)) 1051 else if (screen.flags & Screen_WrapNext)
1052 screen.flags &= ~Screen_WrapNext;
1053 else
1043 scr_gotorc (0, -1, RELATIVE); 1054 scr_gotorc (0, -1, RELATIVE);
1044
1045 screen.flags &= ~Screen_WrapNext;
1046} 1055}
1047 1056
1048/* ------------------------------------------------------------------------- */ 1057/* ------------------------------------------------------------------------- */
1049/* 1058/*
1050 * Process Horizontal Tab 1059 * Process Horizontal Tab
1051 * count: +ve = forward; -ve = backwards 1060 * count: +ve = forward; -ve = backwards
1052 * XTERM_SEQ: CTRL-I 1061 * XTERM_SEQ: CTRL-I
1053 */ 1062 */
1054void 1063void
1055rxvt_term::scr_tab (int count, bool ht) 1064rxvt_term::scr_tab (int count, bool ht) NOTHROW
1056{ 1065{
1057 int i, x; 1066 int i, x;
1058 1067
1059 want_refresh = 1; 1068 want_refresh = 1;
1060 i = x = screen.cur.col; 1069 i = x = screen.cur.col;
1061 1070
1062 if (count == 0) 1071 if (count == 0)
1063 return; 1072 return;
1064 else if (count > 0) 1073 else if (count > 0)
1065 { 1074 {
1066 int row = screen.cur.row;
1067
1068 line_t &l = ROW(row); 1075 line_t &l = ROW(screen.cur.row);
1069 rend_t base_rend = l.r[i]; 1076 rend_t base_rend = l.r[i];
1070 ht &= l.t[i] == ' '; 1077 ht &= l.t[i] == ' ';
1071 1078
1072 for (; ++i < ncol; ) 1079 for (; ++i < ncol; )
1073 if (tabs[i]) 1080 if (tabs[i])
1074 { 1081 {
1075 x = i; 1082 x = i;
1083
1076 if (!--count) 1084 if (!--count)
1077 break; 1085 break;
1078 } 1086 }
1079 else 1087 else
1080 ht &= l.t[i] == ' ' 1088 ht &= l.t[i] == ' '
1081 && RS_SAME (l.r[i], base_rend); 1089 && RS_SAME (l.r[i], base_rend);
1082 1090
1083 if (count) 1091 if (count)
1084 x = ncol - 1; 1092 x = ncol - 1;
1085 1093
1086 // store horizontal tab commands as characters inside the text 1094 // store horizontal tab commands as characters inside the text
1087 // buffer so they can be selected and pasted. 1095 // buffer so they can be selected and pasted.
1088 if (ht && options & Opt_pastableTabs) 1096 if (ht && option (Opt_pastableTabs))
1089 { 1097 {
1090 base_rend = SET_FONT (base_rend, 0); 1098 base_rend = SET_FONT (base_rend, 0);
1091 1099
1092 if (!l.is_longer ()) /* XXX: think about this */ 1100 l.touch (x);
1093 MAX_IT (l.l, x);
1094 1101
1095 i = screen.cur.col; 1102 i = screen.cur.col;
1096 1103
1097 l.t[i] = '\t'; 1104 l.t[i] = '\t';
1098 l.r[i] = base_rend; 1105 l.r[i] = base_rend;
… …
1127 * Process DEC Back Index 1134 * Process DEC Back Index
1128 * XTERM_SEQ: ESC 6 1135 * XTERM_SEQ: ESC 6
1129 * Move cursor left in row. If we're at the left boundary, shift everything 1136 * Move cursor left in row. If we're at the left boundary, shift everything
1130 * in that row right. Clear left column. 1137 * in that row right. Clear left column.
1131 */ 1138 */
1132#if ENABLE_FRILLS 1139#if !ENABLE_MINIMAL
1133void 1140void ecb_cold
1134rxvt_term::scr_backindex () 1141rxvt_term::scr_backindex () NOTHROW
1135{ 1142{
1136 if (screen.cur.col > 0) 1143 if (screen.cur.col > 0)
1137 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1138 else 1145 else
1139 scr_insdel_chars (1, INSERT); 1146 scr_insdel_chars (1, INSERT);
… …
1144 * Process DEC Forward Index 1151 * Process DEC Forward Index
1145 * XTERM_SEQ: ESC 9 1152 * XTERM_SEQ: ESC 9
1146 * Move cursor right in row. If we're at the right boundary, shift everything 1153 * Move cursor right in row. If we're at the right boundary, shift everything
1147 * in that row left. Clear right column. 1154 * in that row left. Clear right column.
1148 */ 1155 */
1149#if ENABLE_FRILLS 1156#if !ENABLE_MINIMAL
1150void 1157void ecb_cold
1151rxvt_term::scr_forwardindex () 1158rxvt_term::scr_forwardindex () NOTHROW
1152{ 1159{
1153 int row;
1154
1155 if (screen.cur.col < ncol - 1) 1160 if (screen.cur.col < ncol - 1)
1156 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1161 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1157 else 1162 else
1158 { 1163 {
1159 row = screen.cur.row; 1164 line_t &l = ROW(screen.cur.row);
1160 1165
1161 if (ROW(row).is_longer ()) //TODO//FIXME//LEN 1166 l.touch ();
1162 ROW(row).l = ncol; 1167 l.is_longer (0);
1163 1168
1164 scr_gotorc (0, 0, R_RELATIVE); 1169 scr_gotorc (0, 0, R_RELATIVE);
1165 scr_insdel_chars (1, DELETE); 1170 scr_insdel_chars (1, DELETE);
1166 scr_gotorc (0, ncol - 1, R_RELATIVE); 1171 scr_gotorc (0, ncol - 1, R_RELATIVE);
1167 } 1172 }
… …
1171/* ------------------------------------------------------------------------- */ 1176/* ------------------------------------------------------------------------- */
1172/* 1177/*
1173 * Goto Row/Column 1178 * Goto Row/Column
1174 */ 1179 */
1175void 1180void
1176rxvt_term::scr_gotorc (int row, int col, int relative) 1181rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1177{ 1182{
1178 want_refresh = 1; 1183 want_refresh = 1;
1179 ZERO_SCROLLBACK (); 1184 ZERO_SCROLLBACK ();
1180 1185
1181 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1186 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1182 MAX_IT (screen.cur.col, 0); 1187 clamp_it (screen.cur.col, 0, ncol - 1);
1183 MIN_IT (screen.cur.col, (int32_t)ncol - 1);
1184 1188
1185 screen.flags &= ~Screen_WrapNext; 1189 screen.flags &= ~Screen_WrapNext;
1186 1190
1187 if (relative & R_RELATIVE) 1191 if (relative & R_RELATIVE)
1188 { 1192 {
… …
1204 } 1208 }
1205 } 1209 }
1206 else 1210 else
1207 { 1211 {
1208 if (screen.flags & Screen_Relative) 1212 if (screen.flags & Screen_Relative)
1213 {
1209 { /* relative origin mode */ 1214 /* relative origin mode */
1210 screen.cur.row = row + screen.tscroll; 1215 screen.cur.row = row + screen.tscroll;
1211 MIN_IT (screen.cur.row, screen.bscroll); 1216 min_it (screen.cur.row, screen.bscroll);
1212 } 1217 }
1213 else 1218 else
1214 screen.cur.row = row; 1219 screen.cur.row = row;
1215 } 1220 }
1216 1221
1217 MAX_IT (screen.cur.row, 0); 1222 clamp_it (screen.cur.row, 0, nrow - 1);
1218 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1219} 1223}
1220 1224
1221/* ------------------------------------------------------------------------- */ 1225/* ------------------------------------------------------------------------- */
1222/* 1226/*
1223 * direction should be UP or DN 1227 * direction should be UP or DN
1224 */ 1228 */
1225void 1229void
1226rxvt_term::scr_index (enum page_dirn direction) 1230rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1227{ 1231{
1228 int dirn; 1232 int dirn;
1229 1233
1230 want_refresh = 1; 1234 want_refresh = 1;
1231 ZERO_SCROLLBACK (); 1235 ZERO_SCROLLBACK ();
… …
1234 1238
1235 screen.flags &= ~Screen_WrapNext; 1239 screen.flags &= ~Screen_WrapNext;
1236 1240
1237 if ((screen.cur.row == screen.bscroll && direction == UP) 1241 if ((screen.cur.row == screen.bscroll && direction == UP)
1238 || (screen.cur.row == screen.tscroll && direction == DN)) 1242 || (screen.cur.row == screen.tscroll && direction == DN))
1239 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1243 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1240 else 1244 else
1241 screen.cur.row += dirn; 1245 screen.cur.row += dirn;
1242 1246
1243 MAX_IT (screen.cur.row, 0); 1247 clamp_it (screen.cur.row, 0, nrow - 1);
1244 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
1245 selection_check (0); 1248 selection_check (0);
1246} 1249}
1247 1250
1248/* ------------------------------------------------------------------------- */ 1251/* ------------------------------------------------------------------------- */
1249/* 1252/*
1250 * Erase part or whole of a line 1253 * Erase part or whole of a line
1251 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1254 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1252 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1255 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1253 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1256 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1257 * extension: clear to right unless wrapped: ESC [ 3 K
1254 */ 1258 */
1255void 1259void
1256rxvt_term::scr_erase_line (int mode) 1260rxvt_term::scr_erase_line (int mode) NOTHROW
1257{ 1261{
1258 unsigned int row, col, num; 1262 unsigned int col, num;
1259 1263
1260 want_refresh = 1; 1264 want_refresh = 1;
1261 ZERO_SCROLLBACK (); 1265 ZERO_SCROLLBACK ();
1262 1266
1263 selection_check (1); 1267 selection_check (1);
1264 1268
1265 row = screen.cur.row; 1269 line_t &line = ROW(screen.cur.row);
1270
1271 line.touch ();
1272 line.is_longer (0);
1266 1273
1267 switch (mode) 1274 switch (mode)
1268 { 1275 {
1276 case 3:
1277 if (screen.flags & Screen_WrapNext)
1278 return;
1279
1280 /* fall through */
1281
1269 case 0: /* erase to end of line */ 1282 case 0: /* erase to end of line */
1270 col = screen.cur.col; 1283 col = screen.cur.col;
1271 num = ncol - col; 1284 num = ncol - col;
1272 MIN_IT (ROW(row).l, (int16_t)col); 1285 min_it (line.l, col);
1286
1273 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1287 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1274 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1288 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1275 CLEAR_SELECTION (); 1289 CLEAR_SELECTION ();
1276 break; 1290 break;
1291
1277 case 1: /* erase to beginning of line */ 1292 case 1: /* erase to beginning of line */
1278 col = 0; 1293 col = 0;
1279 num = screen.cur.col + 1; 1294 num = screen.cur.col + 1;
1295
1280 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) 1296 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1281 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) 1297 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1282 CLEAR_SELECTION (); 1298 CLEAR_SELECTION ();
1283 break; 1299 break;
1300
1284 case 2: /* erase whole line */ 1301 case 2: /* erase whole line */
1285 col = 0; 1302 col = 0;
1286 num = ncol; 1303 num = ncol;
1287 ROW(row).l = 0; 1304 line.l = 0;
1288 if (selection.beg.row <= screen.cur.row 1305 if (selection.beg.row <= screen.cur.row
1289 && selection.end.row >= screen.cur.row) 1306 && selection.end.row >= screen.cur.row)
1290 CLEAR_SELECTION (); 1307 CLEAR_SELECTION ();
1291 break; 1308 break;
1292 default: 1309 default:
1293 return; 1310 return;
1294 } 1311 }
1295 1312
1296 scr_blank_line (ROW(row), col, num, rstyle); 1313 scr_blank_line (line, col, num, rstyle);
1297} 1314}
1298 1315
1299/* ------------------------------------------------------------------------- */ 1316/* ------------------------------------------------------------------------- */
1300/* 1317/*
1301 * Erase part of whole of the screen 1318 * Erase part or whole of the screen
1302 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1319 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1303 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1320 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1304 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1321 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1305 */ 1322 */
1306void 1323void
1307rxvt_term::scr_erase_screen (int mode) 1324rxvt_term::scr_erase_screen (int mode) NOTHROW
1308{ 1325{
1309 int num; 1326 int num;
1310 int32_t row, row_offset; 1327 int32_t row;
1311 rend_t ren; 1328 rend_t ren;
1312 XGCValues gcvalue; 1329 XGCValues gcvalue;
1313 1330
1314 want_refresh = 1; 1331 want_refresh = 1;
1315 ZERO_SCROLLBACK (); 1332 ZERO_SCROLLBACK ();
1316 1333
1317 row_offset = (int32_t)saveLines;
1318
1319 switch (mode) 1334 switch (mode)
1320 { 1335 {
1321 case 0: /* erase to end of screen */ 1336 case 0: /* erase to end of screen */
1322 selection_check (1);
1323 scr_erase_line (0); 1337 scr_erase_line (0);
1324 row = screen.cur.row + 1; /* possible OOB */ 1338 row = screen.cur.row + 1; /* possible OOB */
1325 num = nrow - row; 1339 num = nrow - row;
1326 break; 1340 break;
1327 case 1: /* erase to beginning of screen */ 1341 case 1: /* erase to beginning of screen */
1328 selection_check (3);
1329 scr_erase_line (1); 1342 scr_erase_line (1);
1330 row = 0; 1343 row = 0;
1331 num = screen.cur.row; 1344 num = screen.cur.row;
1332 break; 1345 break;
1333 case 2: /* erase whole screen */ 1346 case 2: /* erase whole screen */
1334 selection_check (3);
1335 row = 0; 1347 row = 0;
1336 num = nrow; 1348 num = nrow;
1337 break; 1349 break;
1338 default: 1350 default:
1339 return; 1351 return;
… …
1346 CLEAR_SELECTION (); 1358 CLEAR_SELECTION ();
1347 1359
1348 if (row >= nrow) /* Out Of Bounds */ 1360 if (row >= nrow) /* Out Of Bounds */
1349 return; 1361 return;
1350 1362
1351 MIN_IT (num, (nrow - row)); 1363 min_it (num, nrow - row);
1352 1364
1353 if (rstyle & (RS_RVid | RS_Uline)) 1365 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1354 ren = (rend_t) ~RS_None; 1366 ren = (rend_t) ~RS_None;
1355 else if (GET_BASEBG (rstyle) == Color_bg) 1367 else if (GET_BASEBG (rstyle) == Color_bg)
1356 { 1368 {
1357 ren = DEFAULT_RSTYLE; 1369 ren = DEFAULT_RSTYLE;
1358 CLEAR_ROWS (row, num); 1370
1371 if (mapped)
1372 XClearArea (dpy, vt, 0,
1373 Row2Pixel (row - view_start), (unsigned int)vt_width,
1374 (unsigned int)Height2Pixel (num), False);
1359 } 1375 }
1360 else 1376 else
1361 { 1377 {
1362 ren = rstyle & (RS_fgMask | RS_bgMask); 1378 ren = rstyle & (RS_fgMask | RS_bgMask);
1379
1380 if (mapped)
1381 {
1363 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1382 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1364 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1383 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1365 ERASE_ROWS (row, num); 1384 XFillRectangle (dpy, vt, gc,
1385 0, Row2Pixel (row - view_start),
1386 (unsigned int)vt_width,
1387 (unsigned int)Height2Pixel (num));
1366 gcvalue.foreground = pix_colors[Color_fg]; 1388 gcvalue.foreground = pix_colors[Color_fg];
1367 XChangeGC (display->display, gc, GCForeground, &gcvalue); 1389 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1390 }
1368 } 1391 }
1369 1392
1370 for (; num--; row++) 1393 for (; num--; row++)
1371 { 1394 {
1372 scr_blank_screen_mem (save[row + row_offset], rstyle); 1395 scr_blank_screen_mem (ROW(row), rstyle);
1373 save[row + row_offset].l = 0; 1396
1397 if (row - view_start < nrow)
1374 scr_blank_line (drawn[row], 0, ncol, ren); 1398 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1375 } 1399 }
1376} 1400}
1377 1401
1378#if ENABLE_FRILLS 1402#if !ENABLE_MINIMAL
1379void 1403void
1380rxvt_term::scr_erase_savelines () 1404rxvt_term::scr_erase_savelines () NOTHROW
1381{ 1405{
1382 want_refresh = 1; 1406 want_refresh = 1;
1383 ZERO_SCROLLBACK (); 1407 ZERO_SCROLLBACK ();
1384 1408
1385 nsaved = 0; 1409 top_row = 0;
1386} 1410}
1387#endif 1411#endif
1388 1412
1389/* ------------------------------------------------------------------------- */ 1413/* ------------------------------------------------------------------------- */
1390/* 1414/*
1391 * Fill the screen with `E's 1415 * Fill the screen with `E's
1392 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1416 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1393 */ 1417 */
1394void 1418void ecb_cold
1395rxvt_term::scr_E () 1419rxvt_term::scr_E () NOTHROW
1396{ 1420{
1397 int i, j, k;
1398 rend_t *r1, fs; 1421 rend_t fs;
1399 1422
1400 want_refresh = 1; 1423 want_refresh = 1;
1401 ZERO_SCROLLBACK (); 1424 ZERO_SCROLLBACK ();
1402 1425
1403 num_scr_allow = 0; 1426 num_scr_allow = 0;
1404 selection_check (3); 1427
1428 row_col_t pos;
1429 pos.row = pos.col = 0;
1430 if (ROWCOL_IS_AFTER (selection.end, pos))
1431 CLEAR_SELECTION ();
1405 1432
1406 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1433 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1407 for (k = saveLines, i = nrow; i--; k++) 1434 for (int row = nrow; row--; )
1408 { 1435 {
1409 line_t &line = save[k]; 1436 line_t &line = ROW(row);
1410 1437
1411 fill_text (line.t, 'E', ncol); 1438 fill_text (line.t, 'E', ncol);
1439 rend_t *r1 = line.r;
1412 1440
1413 for (r1 = line.r, j = ncol; j--; ) 1441 for (int j = ncol; j--; )
1414 *r1++ = fs; 1442 *r1++ = fs;
1415 1443
1416 line.l = ncol; /* make the `E's selectable */ 1444 line.is_longer (0);
1445 line.touch (ncol);
1417 } 1446 }
1418} 1447}
1419 1448
1420/* ------------------------------------------------------------------------- */ 1449/* ------------------------------------------------------------------------- */
1421/* 1450/*
1422 * Insert/Delete <count> lines 1451 * Insert/Delete <count> lines
1423 */ 1452 */
1424void 1453void
1425rxvt_term::scr_insdel_lines (int count, int insdel) 1454rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1426{ 1455{
1427 int end; 1456 int end;
1428 1457
1429 ZERO_SCROLLBACK (); 1458 ZERO_SCROLLBACK ();
1430 1459
… …
1442 count = end; 1471 count = end;
1443 } 1472 }
1444 1473
1445 scr_do_wrap (); 1474 scr_do_wrap ();
1446 1475
1447 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1476 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1448} 1477}
1449 1478
1450/* ------------------------------------------------------------------------- */ 1479/* ------------------------------------------------------------------------- */
1451/* 1480/*
1452 * Insert/Delete <count> characters from the current position 1481 * Insert/Delete <count> characters from the current position
1453 */ 1482 */
1454void 1483void
1455rxvt_term::scr_insdel_chars (int count, int insdel) 1484rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1456{ 1485{
1457 int col, row;
1458 rend_t tr;
1459
1460 want_refresh = 1; 1486 want_refresh = 1;
1461 ZERO_SCROLLBACK (); 1487 ZERO_SCROLLBACK ();
1462 1488
1463 if (count <= 0) 1489 if (count <= 0)
1464 return; 1490 return;
1465 1491
1466 scr_do_wrap (); 1492 scr_do_wrap ();
1467 1493
1468 selection_check (1); 1494 selection_check (1);
1469 MIN_IT (count, (ncol - screen.cur.col)); 1495 min_it (count, ncol - screen.cur.col);
1470 1496
1471 row = screen.cur.row + saveLines; 1497 int row = screen.cur.row;
1472 1498
1473 line_t *line = save + row; 1499 line_t *line = &ROW(row);
1500
1501 line->touch ();
1502 line->is_longer (0);
1503
1504 // nuke wide spanning the start
1505 if (line->t[screen.cur.col] == NOCHAR)
1506 scr_kill_char (*line, screen.cur.col);
1474 1507
1475 switch (insdel) 1508 switch (insdel)
1476 { 1509 {
1477 case INSERT: 1510 case INSERT:
1478 for (col = ncol - 1; (col - count) >= screen.cur.col; col--) 1511 line->l = min (line->l + count, ncol);
1512
1513 if (line->t[screen.cur.col] == NOCHAR)
1514 scr_kill_char (*line, screen.cur.col);
1515
1516 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1479 { 1517 {
1480 line->t[col] = line->t[col - count]; 1518 line->t[col] = line->t[col - count];
1481 line->r[col] = line->r[col - count]; 1519 line->r[col] = line->r[col - count];
1482 }
1483
1484 if (!line->is_longer ())
1485 {
1486 line->l += count;
1487 MIN_IT (line->l, ncol);
1488 } 1520 }
1489 1521
1490 if (selection.op && current_screen == selection.screen 1522 if (selection.op && current_screen == selection.screen
1491 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1523 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1492 { 1524 {
1493 if (selection.end.row != screen.cur.row 1525 if (selection.end.row != screen.cur.row
1494 || (selection.end.col + count >= ncol)) 1526 || (selection.end.col + count >= ncol))
1495 CLEAR_SELECTION (); 1527 CLEAR_SELECTION ();
1496 else 1528 else
1529 {
1497 { /* shift selection */ 1530 /* shift selection */
1498 selection.beg.col += count; 1531 selection.beg.col += count;
1499 selection.mark.col += count; /* XXX: yes? */ 1532 selection.mark.col += count; /* XXX: yes? */
1500 selection.end.col += count; 1533 selection.end.col += count;
1501 } 1534 }
1502 } 1535 }
1503 1536
1504 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1537 scr_blank_line (*line, screen.cur.col, count, rstyle);
1505 break; 1538 break;
1506 1539
1507 case ERASE: 1540 case ERASE:
1508 screen.cur.col += count; /* don't worry if > ncol */ 1541 screen.cur.col += count; /* don't worry if > ncol */
1509 selection_check (1); 1542 selection_check (1);
1510 screen.cur.col -= count; 1543 screen.cur.col -= count;
1544
1545 // nuke wide char after the end
1546 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1547 scr_kill_char (*line, screen.cur.col + count);
1548
1511 scr_blank_line (save[row], screen.cur.col, count, rstyle); 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1512 break; 1550 break;
1513 1551
1514 case DELETE: 1552 case DELETE:
1515 tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1553 line->l = max (line->l - count, 0);
1516 1554
1555 // nuke wide char spanning the end
1556 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1557 scr_kill_char (*line, screen.cur.col + count);
1558
1517 for (col = screen.cur.col; (col + count) < ncol; col++) 1559 for (int col = screen.cur.col; (col + count) < ncol; col++)
1518 { 1560 {
1519 line->t[col] = line->t[col + count]; 1561 line->t[col] = line->t[col + count];
1520 line->r[col] = line->r[col + count]; 1562 line->r[col] = line->r[col + count];
1521 } 1563 }
1522 1564
1523 scr_blank_line (*line, ncol - count, count, tr); 1565 scr_blank_line (*line, ncol - count, count, rstyle);
1524
1525 if (line->is_longer ()) /* break line continuation */
1526 line->l = ncol;
1527
1528 line->l -= count;
1529 MAX_IT (line->l, 0);
1530 1566
1531 if (selection.op && current_screen == selection.screen 1567 if (selection.op && current_screen == selection.screen
1532 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1568 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1533 { 1569 {
1534 if (selection.end.row != screen.cur.row 1570 if (selection.end.row != screen.cur.row
… …
1551/* ------------------------------------------------------------------------- */ 1587/* ------------------------------------------------------------------------- */
1552/* 1588/*
1553 * Set the scrolling region 1589 * Set the scrolling region
1554 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1590 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1555 */ 1591 */
1556void 1592void ecb_cold
1557rxvt_term::scr_scroll_region (int top, int bot) 1593rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1558{ 1594{
1559 MAX_IT (top, 0); 1595 max_it (top, 0);
1560 MIN_IT (bot, (int)nrow - 1); 1596 min_it (bot, nrow - 1);
1561 1597
1562 if (top > bot) 1598 if (top > bot)
1563 return; 1599 return;
1564 1600
1565 screen.tscroll = top; 1601 screen.tscroll = top;
… …
1571/* 1607/*
1572 * Make the cursor visible/invisible 1608 * Make the cursor visible/invisible
1573 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1609 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1574 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1610 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1575 */ 1611 */
1576void 1612void ecb_cold
1577rxvt_term::scr_cursor_visible (int mode) 1613rxvt_term::scr_cursor_visible (int mode) NOTHROW
1578{ 1614{
1579 want_refresh = 1; 1615 want_refresh = 1;
1580 1616
1581 if (mode) 1617 if (mode)
1582 screen.flags |= Screen_VisibleCursor; 1618 screen.flags |= Screen_VisibleCursor;
… …
1588/* 1624/*
1589 * Set/unset automatic wrapping 1625 * Set/unset automatic wrapping
1590 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1626 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1591 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1627 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1592 */ 1628 */
1593void 1629void ecb_cold
1594rxvt_term::scr_autowrap (int mode) 1630rxvt_term::scr_autowrap (int mode) NOTHROW
1595{ 1631{
1596 if (mode) 1632 if (mode)
1597 screen.flags |= Screen_Autowrap; 1633 screen.flags |= Screen_Autowrap;
1598 else 1634 else
1599 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1635 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1607 * Relative mode: line numbers are relative to top margin of scrolling region 1643 * Relative mode: line numbers are relative to top margin of scrolling region
1608 * and the cursor cannot be moved outside. 1644 * and the cursor cannot be moved outside.
1609 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1645 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1610 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1646 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1611 */ 1647 */
1612void 1648void ecb_cold
1613rxvt_term::scr_relative_origin (int mode) 1649rxvt_term::scr_relative_origin (int mode) NOTHROW
1614{ 1650{
1615 if (mode) 1651 if (mode)
1616 screen.flags |= Screen_Relative; 1652 screen.flags |= Screen_Relative;
1617 else 1653 else
1618 screen.flags &= ~Screen_Relative; 1654 screen.flags &= ~Screen_Relative;
… …
1624/* 1660/*
1625 * Set insert/replace mode 1661 * Set insert/replace mode
1626 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1662 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1627 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1663 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1628 */ 1664 */
1629void 1665void ecb_cold
1630rxvt_term::scr_insert_mode (int mode) 1666rxvt_term::scr_insert_mode (int mode) NOTHROW
1631{ 1667{
1632 if (mode) 1668 if (mode)
1633 screen.flags |= Screen_Insert; 1669 screen.flags |= Screen_Insert;
1634 else 1670 else
1635 screen.flags &= ~Screen_Insert; 1671 screen.flags &= ~Screen_Insert;
… …
1640 * Set/Unset tabs 1676 * Set/Unset tabs
1641 * XTERM_SEQ: Set tab at current column : ESC H 1677 * XTERM_SEQ: Set tab at current column : ESC H
1642 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1678 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1643 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1679 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1644 */ 1680 */
1645void 1681void ecb_cold
1646rxvt_term::scr_set_tab (int mode) 1682rxvt_term::scr_set_tab (int mode) NOTHROW
1647{ 1683{
1648 if (mode < 0) 1684 if (mode < 0)
1649 memset (tabs, 0, ncol * sizeof (char)); 1685 memset (tabs, 0, ncol);
1650 else if (screen.cur.col < ncol) 1686 else if (screen.cur.col < ncol)
1651 tabs[screen.cur.col] = (mode ? 1 : 0); 1687 tabs [screen.cur.col] = !!mode;
1652} 1688}
1653 1689
1654/* ------------------------------------------------------------------------- */ 1690/* ------------------------------------------------------------------------- */
1655/* 1691/*
1656 * Set reverse/normal video 1692 * Set reverse/normal video
1657 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1693 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1658 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1694 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1659 */ 1695 */
1660void 1696void
1661rxvt_term::scr_rvideo_mode (int mode) 1697rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1662{ 1698{
1699 rvideo_mode = on;
1700
1701#ifndef NO_BELL
1702 on ^= rvideo_bell;
1703#endif
1704
1705 if (rvideo_state != on)
1706 {
1707 rvideo_state = on;
1708
1709 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1710#ifdef HAVE_BG_PIXMAP
1711 if (bg_img == 0)
1712#endif
1713 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1714
1663 XGCValues gcvalue; 1715 XGCValues gcvalue;
1664
1665 if (rvideo != mode)
1666 {
1667 rvideo = mode;
1668 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color);
1669#if XPM_BACKGROUND
1670 if (bgPixmap.pixmap == None)
1671#endif
1672#if TRANSPARENT
1673 if (! (options & Opt_transparent) || am_transparent == 0)
1674#endif
1675 XSetWindowBackground (display->display, vt,
1676 pix_colors[Color_bg]);
1677
1678 gcvalue.foreground = pix_colors[Color_fg]; 1716 gcvalue.foreground = pix_colors[Color_fg];
1679 gcvalue.background = pix_colors[Color_bg]; 1717 gcvalue.background = pix_colors[Color_bg];
1680 XChangeGC (display->display, gc, GCBackground | GCForeground, 1718 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1681 &gcvalue); 1719
1682 scr_clear (); 1720 scr_clear ();
1683 scr_touch (true); 1721 scr_touch (true);
1684 } 1722 }
1685} 1723}
1686 1724
1687/* ------------------------------------------------------------------------- */ 1725/* ------------------------------------------------------------------------- */
1688/* 1726/*
1689 * Report current cursor position 1727 * Report current cursor position
1690 * XTERM_SEQ: Report position: ESC [ 6 n 1728 * XTERM_SEQ: Report position: ESC [ 6 n
1691 */ 1729 */
1692void 1730void ecb_cold
1693rxvt_term::scr_report_position () 1731rxvt_term::scr_report_position () NOTHROW
1694{ 1732{
1695 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1733 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1696} 1734}
1697 1735
1698/* ------------------------------------------------------------------------- * 1736/* ------------------------------------------------------------------------- *
… …
1700 * ------------------------------------------------------------------------- */ 1738 * ------------------------------------------------------------------------- */
1701 1739
1702/* 1740/*
1703 * Set font style 1741 * Set font style
1704 */ 1742 */
1705void 1743void ecb_cold
1706rxvt_term::set_font_style () 1744rxvt_term::set_font_style () NOTHROW
1707{ 1745{
1746#if 0
1708 switch (charsets[screen.charset]) 1747 switch (charsets [screen.charset])
1709 { 1748 {
1710 case '0': /* DEC Special Character & Line Drawing Set */ 1749 case '0': /* DEC Special Character & Line Drawing Set */
1711 break; 1750 break;
1712 case 'A': /* United Kingdom (UK) */ 1751 case 'A': /* United Kingdom (UK) */
1713 break; 1752 break;
… …
1720 case 'C': /* Finnish character set */ 1759 case 'C': /* Finnish character set */
1721 break; 1760 break;
1722 case 'K': /* German character set */ 1761 case 'K': /* German character set */
1723 break; 1762 break;
1724 } 1763 }
1764#endif
1725} 1765}
1726 1766
1727/* ------------------------------------------------------------------------- */ 1767/* ------------------------------------------------------------------------- */
1728/* 1768/*
1729 * Choose a font 1769 * Choose a font
1730 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1770 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1731 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1771 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1732 * XTERM_SEQ: Invoke G2 character set: ESC N 1772 * XTERM_SEQ: Invoke G2 character set: ESC N
1733 * XTERM_SEQ: Invoke G3 character set: ESC O 1773 * XTERM_SEQ: Invoke G3 character set: ESC O
1734 */ 1774 */
1735void 1775void ecb_cold
1736rxvt_term::scr_charset_choose (int set) 1776rxvt_term::scr_charset_choose (int set) NOTHROW
1737{ 1777{
1738 screen.charset = set; 1778 screen.charset = set;
1739 set_font_style (); 1779 set_font_style ();
1740} 1780}
1741 1781
… …
1747 * XTERM_SEQ: Set G2 character set: ESC * <C> 1787 * XTERM_SEQ: Set G2 character set: ESC * <C>
1748 * XTERM_SEQ: Set G3 character set: ESC + <C> 1788 * XTERM_SEQ: Set G3 character set: ESC + <C>
1749 * See set_font_style for possible values for <C> 1789 * See set_font_style for possible values for <C>
1750 */ 1790 */
1751void 1791void
1752rxvt_term::scr_charset_set (int set, unsigned int ch) 1792rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1753{ 1793{
1754 charsets[set] = (unsigned char)ch; 1794 charsets[set] = (unsigned char)ch;
1755 set_font_style (); 1795 set_font_style ();
1756} 1796}
1757 1797
… …
1761 * ------------------------------------------------------------------------- */ 1801 * ------------------------------------------------------------------------- */
1762 1802
1763/* 1803/*
1764 * refresh matching text. 1804 * refresh matching text.
1765 */ 1805 */
1766bool 1806bool ecb_cold
1767rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1807rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1768{ 1808{
1769 bool found = false; 1809 bool found = false;
1770 1810
1771 for (int i = 0; i < nrow; i++) 1811 for (int i = 0; i < nrow; i++)
1772 { 1812 {
1773 int col = 0;
1774 rend_t *drp = drawn[i].r; 1813 rend_t *drp = drawn_buf[i].r;
1775 1814
1776 for (; col < ncol; col++, drp++) 1815 for (int col = 0; col < ncol; col++, drp++)
1777 if ((*drp & mask) == value) 1816 if ((*drp & mask) == value)
1778 { 1817 {
1779 found = true; 1818 found = true;
1780 *drp = ~value; 1819 *drp = ~value;
1781 } 1820 }
… …
1791 PART_BEG = 0, 1830 PART_BEG = 0,
1792 PART_END, 1831 PART_END,
1793 RC_COUNT 1832 RC_COUNT
1794}; 1833};
1795 1834
1796void 1835void ecb_hot
1797rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) 1836rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1798{ 1837{
1799 int i; 1838 int i;
1800 row_col_t rc[RC_COUNT]; 1839 row_col_t rc[RC_COUNT];
1801 1840
1802 if (!drawn) /* sanity check */ 1841 if (!drawn_buf) /* sanity check */
1803 return; 1842 return;
1804 1843
1805#ifndef NO_SLOW_LINK_SUPPORT 1844#ifndef NO_SLOW_LINK_SUPPORT
1806 if (refresh_type == FAST_REFRESH && !display->is_local) 1845 if (refresh_type == FAST_REFRESH && !display->is_local)
1807 { 1846 {
1808 y = 0; 1847 y = 0;
1809 eheight = height; 1848 eheight = height;
1810 } 1849 }
1811#endif
1812
1813#ifdef DEBUG_STRICT
1814 x = max (x, 0);
1815 x = min (x, (int)width);
1816 y = max (y, 0);
1817 y = min (y, (int)height);
1818#endif 1850#endif
1819 1851
1820 /* round down */ 1852 /* round down */
1821 rc[PART_BEG].col = Pixel2Col (x); 1853 rc[PART_BEG].col = Pixel2Col (x);
1822 rc[PART_BEG].row = Pixel2Row (y); 1854 rc[PART_BEG].row = Pixel2Row (y);
… …
1825 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1); 1857 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1826 1858
1827 /* sanity checks */ 1859 /* sanity checks */
1828 for (i = PART_BEG; i < RC_COUNT; i++) 1860 for (i = PART_BEG; i < RC_COUNT; i++)
1829 { 1861 {
1830 MIN_IT (rc[i].col, ncol - 1); 1862 min_it (rc[i].col, ncol - 1);
1831 MIN_IT (rc[i].row, nrow - 1); 1863 min_it (rc[i].row, nrow - 1);
1832 } 1864 }
1833 1865
1834 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1866 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1835 fill_text (&drawn[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1867 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1868
1869 num_scr_allow = 0;
1836 1870
1837 if (refresh) 1871 if (refresh)
1838 scr_refresh (SLOW_REFRESH); 1872 scr_refresh ();
1839} 1873}
1840 1874
1841/* ------------------------------------------------------------------------- */ 1875/* ------------------------------------------------------------------------- */
1842/* 1876/*
1843 * Refresh the entire screen 1877 * Refresh the entire screen
1844 */ 1878 */
1845void 1879void
1846rxvt_term::scr_touch (bool refresh) 1880rxvt_term::scr_touch (bool refresh) NOTHROW
1847{ 1881{
1848 scr_expose (0, 0, width, height, refresh); 1882 scr_expose (0, 0, vt_width, vt_height, refresh);
1849} 1883}
1850 1884
1851/* ------------------------------------------------------------------------- */ 1885/* ------------------------------------------------------------------------- */
1852/* 1886/*
1853 * Move the display so that the line represented by scrollbar value Y is at 1887 * Move the display so that the line represented by scrollbar value Y is at
1854 * the top of the screen 1888 * the top of the screen
1855 */ 1889 */
1856int 1890void
1857rxvt_term::scr_move_to (int y, int len) 1891rxvt_term::scr_move_to (int y, int len) NOTHROW
1858{ 1892{
1859 long p = 0; 1893 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1860 unsigned int oldviewstart;
1861
1862 oldviewstart = view_start;
1863
1864 if (y < len)
1865 {
1866 p = (nrow + nsaved) * (len - y) / len;
1867 p -= (long) (nrow - 1);
1868 p = max (p, 0);
1869 }
1870
1871 view_start = (unsigned int)min (p, nsaved);
1872
1873 return scr_changeview (oldviewstart);
1874} 1894}
1875 1895
1876/* ------------------------------------------------------------------------- */ 1896/* ------------------------------------------------------------------------- */
1877/* 1897/*
1878 * Page the screen up/down nlines 1898 * Page the screen up/down nlines
1879 * direction should be UP or DN 1899 * direction should be UP or DN
1880 */ 1900 */
1881int 1901bool
1882rxvt_term::scr_page (enum page_dirn direction, int nlines) 1902rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1883{ 1903{
1884 int n; 1904 int new_view_start =
1885 unsigned int oldviewstart;
1886
1887 oldviewstart = view_start;
1888
1889 if (direction == UP)
1890 {
1891 n = view_start + nlines;
1892 view_start = min (n, nsaved);
1893 }
1894 else
1895 {
1896 n = view_start - nlines; 1905 direction == UP ? view_start - nlines
1897 view_start = max (n, 0); 1906 : view_start + nlines;
1898 }
1899 1907
1900 return scr_changeview (oldviewstart); 1908 return scr_changeview (new_view_start);
1901} 1909}
1902 1910
1903int 1911bool
1904rxvt_term::scr_changeview (unsigned int oldviewstart) 1912rxvt_term::scr_changeview (int new_view_start) NOTHROW
1905{ 1913{
1914 clamp_it (new_view_start, top_row, 0);
1915
1906 if (view_start != oldviewstart) 1916 if (new_view_start == view_start)
1907 { 1917 return false;
1918
1919 num_scr += new_view_start - view_start;
1920 view_start = new_view_start;
1908 want_refresh = 1; 1921 want_refresh = 1;
1909 num_scr -= (view_start - oldviewstart);
1910 }
1911 1922
1912 return (int) (view_start - oldviewstart); 1923 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1913}
1914 1924
1915/* ------------------------------------------------------------------------- */ 1925 return true;
1926}
1927
1928#ifndef NO_BELL
1916void 1929void
1930rxvt_term::bell_cb (ev::timer &w, int revents)
1931{
1932 rvideo_bell = false;
1933 scr_rvideo_mode (rvideo_mode);
1934 refresh_check ();
1935}
1936#endif
1937
1938/* ------------------------------------------------------------------------- */
1939void
1917rxvt_term::scr_bell () 1940rxvt_term::scr_bell () NOTHROW
1918{ 1941{
1919#ifndef NO_BELL 1942#ifndef NO_BELL
1920 1943
1921# ifndef NO_MAPALERT 1944# ifndef NO_MAPALERT
1922# ifdef MAPALERT_OPTION 1945# ifdef MAPALERT_OPTION
1923 if (options & Opt_mapAlert) 1946 if (option (Opt_mapAlert))
1924# endif 1947# endif
1925 XMapWindow (display->display, parent[0]); 1948 XMapWindow (dpy, parent);
1926# endif 1949# endif
1927 1950
1951# if ENABLE_FRILLS
1952 if (option (Opt_urgentOnBell))
1953 set_urgency (1);
1954# endif
1955
1928 if (options & Opt_visualBell) 1956 if (option (Opt_visualBell))
1929 { 1957 {
1930 scr_rvideo_mode (!rvideo); /* refresh also done */ 1958 rvideo_bell = true;
1959 scr_rvideo_mode (rvideo_mode);
1960 flush ();
1961
1931 rxvt_usleep (VISUAL_BELL_DURATION); 1962 bell_ev.start (VISUAL_BELL_DURATION);
1932 scr_rvideo_mode (!rvideo); /* refresh also done */
1933 } 1963 }
1934 else 1964 else
1935 XBell (display->display, 0); 1965 XBell (dpy, 0);
1936 1966 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1937#endif 1967#endif
1938} 1968}
1939 1969
1940/* ------------------------------------------------------------------------- */ 1970/* ------------------------------------------------------------------------- */
1941/* ARGSUSED */ 1971void ecb_cold
1942void
1943rxvt_term::scr_printscreen (int fullhist) 1972rxvt_term::scr_printscreen (int fullhist) NOTHROW
1944{ 1973{
1945#ifdef PRINTPIPE 1974#ifdef PRINTPIPE
1946 int i, r1, nrows, row_offset; 1975 int nrows, row_start;
1947 FILE *fd; 1976 FILE *fd = popen_printer ();
1948 1977
1949 if ((fd = popen_printer ()) == NULL) 1978 if (!fd)
1950 return; 1979 return;
1951 1980
1952 nrows = nrow;
1953 row_offset = saveLines;
1954
1955 if (!fullhist) 1981 if (fullhist)
1956 row_offset -= view_start; 1982 {
1983 nrows = nrow - top_row;
1984 row_start = top_row;
1985 }
1957 else 1986 else
1958 { 1987 {
1959 nrows += nsaved; 1988 nrows = nrow;
1960 row_offset -= nsaved; 1989 row_start = view_start;
1961 } 1990 }
1962 1991
1963 wctomb (0, 0); 1992 wctomb (0, 0);
1964 1993
1965 for (r1 = 0; r1 < nrows; r1++) 1994 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1966 { 1995 {
1967 text_t *tp = save[r1 + row_offset].t; 1996 text_t *tp = ROW(r1).t;
1968 int len = save[r1 + row_offset].l; 1997 int len = ROW(r1).l;
1969 1998
1970 for (i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN 1999 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1971 { 2000 {
1972 char mb[MB_LEN_MAX]; 2001 char mb[MB_LEN_MAX];
1973 text_t t = *tp++; 2002 text_t t = *tp++;
1974 if (t == NOCHAR) 2003 if (t == NOCHAR)
1975 continue; 2004 continue;
… …
1996/* 2025/*
1997 * Refresh the screen 2026 * Refresh the screen
1998 * drawn_text/drawn_rend contain the screen information before the update. 2027 * drawn_text/drawn_rend contain the screen information before the update.
1999 * screen.text/screen.rend contain what the screen will change to. 2028 * screen.text/screen.rend contain what the screen will change to.
2000 */ 2029 */
2001void 2030void ecb_hot
2002rxvt_term::scr_refresh (unsigned char refresh_type) 2031rxvt_term::scr_refresh () NOTHROW
2003{ 2032{
2004 unsigned char must_clear, /* use draw_string not draw_image_string */
2005 showcursor; /* show the cursor */
2006 int16_t col, row, /* column/row we're processing */ 2033 int16_t col, row, /* column/row we're processing */
2007 ocrow; /* old cursor row */ 2034 ocrow; /* old cursor row */
2008 int i, /* tmp */ 2035 int i; /* tmp */
2009 row_offset; /* basic offset in screen structure */
2010#ifndef NO_CURSORCOLOR 2036#ifndef NO_CURSORCOLOR
2011 rend_t cc1; /* store colours at cursor position (s) */ 2037 rend_t cc1; /* store colours at cursor position (s) */
2012#endif 2038#endif
2013 rend_t *crp; // cursor rendition pointer 2039 rend_t *crp; // cursor rendition pointer
2040 rend_t ccol1, /* Cursor colour */
2041 ccol2; /* Cursor colour2 */
2014 2042
2015 want_refresh = 0; /* screen is current */ 2043 want_refresh = 0; /* screen is current */
2016 2044
2017 if (refresh_type == NO_REFRESH || !mapped) 2045 if (refresh_type == NO_REFRESH || !mapped)
2018 return; 2046 return;
2019 2047
2020 /* 2048 /*
2021 * A: set up vars 2049 * A: set up vars
2022 */ 2050 */
2023 must_clear = 0;
2024 refresh_count = 0; 2051 refresh_count = 0;
2025 2052
2026 row_offset = term_start - view_start; 2053 unsigned int old_screen_flags = screen.flags;
2027 2054 bool have_bg = 0;
2028#if XPM_BACKGROUND 2055#ifdef HAVE_BG_PIXMAP
2029 must_clear |= bgPixmap.pixmap != None; 2056 have_bg = bg_img != 0;
2030#endif
2031#if TRANSPARENT
2032 must_clear |= (options & Opt_transparent) && am_transparent;
2033#endif 2057#endif
2034 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2058 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2035 2059
2036 /* 2060 /*
2037 * B: reverse any characters which are selected 2061 * B: reverse any characters which are selected
2038 */ 2062 */
2039 scr_reverse_selection (); 2063 scr_reverse_selection ();
2040 2064
2065 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2066#if ENABLE_OVERLAY
2067 scr_swap_overlay ();
2068#endif
2069
2070 bool showcursor = screen.flags & Screen_VisibleCursor;
2071
2041 /* 2072 /*
2042 * C: set the cursor character (s) 2073 * C: set the cursor character (s)
2043 */ 2074 */
2044 { 2075 {
2045 unsigned char setoldcursor; 2076 bool setoldcursor;
2046 rend_t ccol1, /* Cursor colour */
2047 ccol2; /* Cursor colour2 */
2048 2077
2049 showcursor = (screen.flags & Screen_VisibleCursor);
2050#ifdef CURSOR_BLINK 2078#ifdef CURSOR_BLINK
2051 if (hidden_cursor) 2079 if (hidden_cursor)
2052 showcursor = 0; 2080 showcursor = 0;
2053#endif 2081#endif
2054 2082
… …
2059 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2087 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2060 col--; 2088 col--;
2061 2089
2062 crp = &ROW(screen.cur.row).r[col]; 2090 crp = &ROW(screen.cur.row).r[col];
2063 2091
2064 if (showcursor && focus) 2092#ifndef NO_CURSORCOLOR
2093 cc1 = *crp & (RS_fgMask | RS_bgMask);
2094 if (ISSET_PIXCOLOR (Color_cursor))
2095 ccol1 = Color_cursor;
2096 else
2097#endif
2098#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2099 ccol1 = fgcolor_of (rstyle);
2100#else
2101 ccol1 = Color_fg;
2102#endif
2103
2104#ifndef NO_CURSORCOLOR
2105 if (ISSET_PIXCOLOR (Color_cursor2))
2106 ccol2 = Color_cursor2;
2107 else
2108#endif
2109#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2110 ccol2 = bgcolor_of (rstyle);
2111#else
2112 ccol2 = Color_bg;
2113#endif
2114
2115 if (focus)
2065 { 2116 {
2066 if (options & Opt_cursorUnderline) 2117 if (option (Opt_cursorUnderline))
2067 *crp ^= RS_Uline; 2118 *crp ^= RS_Uline;
2068 else 2119 else
2069 { 2120 {
2070 *crp ^= RS_RVid; 2121 *crp ^= RS_RVid;
2071
2072#ifndef NO_CURSORCOLOR
2073 cc1 = *crp & (RS_fgMask | RS_bgMask);
2074 if (ISSET_PIXCOLOR (Color_cursor))
2075 ccol1 = Color_cursor;
2076 else
2077#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2078 ccol1 = GET_FGCOLOR (rstyle);
2079#else
2080 ccol1 = Color_fg;
2081#endif
2082 if (ISSET_PIXCOLOR (Color_cursor2))
2083 ccol2 = Color_cursor2;
2084 else
2085#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2086 ccol2 = GET_BGCOLOR (rstyle);
2087#else
2088 ccol2 = Color_bg;
2089#endif
2090 *crp = SET_FGCOLOR (*crp, ccol1); 2122 *crp = SET_FGCOLOR (*crp, ccol1);
2091 *crp = SET_BGCOLOR (*crp, ccol2); 2123 *crp = SET_BGCOLOR (*crp, ccol2);
2092#endif
2093 } 2124 }
2094 } 2125 }
2095 } 2126 }
2096 2127
2097 /* make sure no outline cursor is left around */ 2128 /* make sure no outline cursor is left around */
2098 setoldcursor = 0; 2129 setoldcursor = 0;
2099 if (ocrow != -1) 2130 if (ocrow != -1)
2100 { 2131 {
2101 if (screen.cur.row + view_start != ocrow 2132 if (screen.cur.row - view_start != ocrow
2102 || screen.cur.col != oldcursor.col) 2133 || screen.cur.col != oldcursor.col)
2103 { 2134 {
2104 if (ocrow < nrow 2135 if (ocrow < nrow
2105 && oldcursor.col < ncol) 2136 && oldcursor.col < ncol)
2106 drawn[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2137 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2107 2138
2108 if (focus || !showcursor) 2139 if (focus || !showcursor)
2109 oldcursor.row = -1; 2140 oldcursor.row = -1;
2110 else 2141 else
2111 setoldcursor = 1; 2142 setoldcursor = 1;
… …
2114 else if (!focus) 2145 else if (!focus)
2115 setoldcursor = 1; 2146 setoldcursor = 1;
2116 2147
2117 if (setoldcursor) 2148 if (setoldcursor)
2118 { 2149 {
2119 if (screen.cur.row + view_start >= nrow) 2150 if (screen.cur.row - view_start >= nrow)
2120 oldcursor.row = -1; 2151 oldcursor.row = -1;
2121 else 2152 else
2122 { 2153 {
2123 oldcursor.row = screen.cur.row + view_start; 2154 oldcursor.row = screen.cur.row - view_start;
2124 oldcursor.col = screen.cur.col; 2155 oldcursor.col = screen.cur.col;
2125 } 2156 }
2126 } 2157 }
2127 } 2158 }
2128
2129#if ENABLE_OVERLAY
2130 scr_swap_overlay ();
2131#endif
2132 2159
2133#ifndef NO_SLOW_LINK_SUPPORT 2160#ifndef NO_SLOW_LINK_SUPPORT
2134 /* 2161 /*
2135 * D: CopyArea pass - very useful for slower links 2162 * D: CopyArea pass - very useful for slower links
2136 * This has been deliberately kept simple. 2163 * This has been deliberately kept simple.
2137 */ 2164 */
2138 i = num_scr;
2139 if (!display->is_local 2165 if (!display->is_local
2140 && refresh_type == FAST_REFRESH && num_scr_allow && i 2166 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2141 && abs (i) < nrow && !must_clear) 2167 && abs (num_scr) < nrow && !have_bg)
2142 { 2168 {
2143 int16_t nits; 2169 int16_t nits;
2170 int i = num_scr;
2144 int j; 2171 int j;
2145 int len, wlen; 2172 int len, wlen;
2146 2173
2147 j = nrow; 2174 j = nrow;
2148 wlen = len = -1; 2175 wlen = len = -1;
2149 row = i > 0 ? 0 : j - 1; 2176 row = i > 0 ? 0 : j - 1;
2177
2150 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2178 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2151 { 2179 {
2152 if (row + i >= 0 && row + i < nrow && row + i != ocrow) 2180 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2153 { 2181 {
2154 line_t s = save[(row + row_offset) % nlines]; 2182 line_t s = ROW(view_start + row);
2155 line_t d = drawn[row]; 2183 line_t d = drawn_buf[row];
2156 line_t d2 = drawn[row + i]; 2184 line_t d2 = drawn_buf[row + i];
2157 2185
2158 for (nits = 0, col = ncol; col--; ) 2186 for (nits = 0, col = ncol; col--; )
2159 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col]) 2187 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2160 nits--; 2188 nits--;
2161 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col]) 2189 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
… …
2175 wlen = row; 2203 wlen = row;
2176 continue; 2204 continue;
2177 } 2205 }
2178 } 2206 }
2179 2207
2180 if (len != -1) 2208 if (len >= 0)
2181 { 2209 {
2182 /* also comes here at end if needed because of >= above */ 2210 /* also comes here at end if needed because of >= above */
2183 if (wlen < len) 2211 if (wlen < len)
2184 SWAP_IT (wlen, len, int); 2212 ::swap (wlen, len);
2185 2213
2214 XGCValues gcv;
2215
2216 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2186 XCopyArea (display->display, vt, vt, 2217 XCopyArea (dpy, vt, vt,
2187 gc, 0, Row2Pixel (len + i), 2218 gc, 0, Row2Pixel (len + i),
2188 (unsigned int)TermWin_TotalWidth (), 2219 (unsigned int)this->width,
2189 (unsigned int)Height2Pixel (wlen - len + 1), 2220 (unsigned int)Height2Pixel (wlen - len + 1),
2190 0, Row2Pixel (len)); 2221 0, Row2Pixel (len));
2222 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2223
2191 len = -1; 2224 len = -1;
2192 } 2225 }
2193 } 2226 }
2194 } 2227 }
2195#endif 2228#endif
… …
2197 /* 2230 /*
2198 * E: main pass across every character 2231 * E: main pass across every character
2199 */ 2232 */
2200 for (row = 0; row < nrow; row++) 2233 for (row = 0; row < nrow; row++)
2201 { 2234 {
2202 text_t *stp = save[(row + row_offset) % total_rows].t; 2235 text_t *stp = ROW(view_start + row).t;
2203 rend_t *srp = save[(row + row_offset) % total_rows].r; 2236 rend_t *srp = ROW(view_start + row).r;
2204 text_t *dtp = drawn[row].t; 2237 text_t *dtp = drawn_buf[row].t;
2205 rend_t *drp = drawn[row].r; 2238 rend_t *drp = drawn_buf[row].r;
2206 2239
2207 /* 2240 /*
2208 * E2: OK, now the real pass 2241 * E2: OK, now the real pass
2209 */ 2242 */
2210 int ypixel = (int)Row2Pixel (row); 2243 int ypixel = (int)Row2Pixel (row);
… …
2219 continue; 2252 continue;
2220 2253
2221 // redraw one or more characters 2254 // redraw one or more characters
2222 2255
2223 // seek to the beginning of wide characters 2256 // seek to the beginning of wide characters
2224 while (stp[col] == NOCHAR && col > 0) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2225 --col; 2258 --col;
2226 2259
2227 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2228 text_t *text = stp + col; 2261 text_t *text = stp + col;
2229 int count = 1; 2262 int count = 1;
2230 2263
2231 dtp[col] = stp[col]; 2264 dtp[col] = stp[col];
2232 drp[col] = rend; 2265 drp[col] = rend;
… …
2236 for (i = 0; ++col < ncol; ) 2269 for (i = 0; ++col < ncol; )
2237 { 2270 {
2238 if (stp[col] == NOCHAR) 2271 if (stp[col] == NOCHAR)
2239 { 2272 {
2240 dtp[col] = stp[col]; 2273 dtp[col] = stp[col];
2241 drp[col] = rend; 2274 drp[col] = srp[col];
2275
2242 count++; 2276 count++;
2243 i++; 2277 i++;
2244 2278
2245 continue; 2279 continue;
2246 } 2280 }
… …
2251 count++; 2285 count++;
2252 2286
2253 if (stp[col] != dtp[col] 2287 if (stp[col] != dtp[col]
2254 || !RS_SAME (srp[col], drp[col])) 2288 || !RS_SAME (srp[col], drp[col]))
2255 { 2289 {
2256 if (must_clear && (i++ > count / 2)) 2290 if (have_bg && (i++ > count / 2))
2257 break; 2291 break;
2258 2292
2259 dtp[col] = stp[col]; 2293 dtp[col] = stp[col];
2260 drp[col] = rend; 2294 drp[col] = rend;
2261 i = 0; 2295 i = 0;
2262 } 2296 }
2263 else if (must_clear || (stp[col] != ' ' && ++i >= 16)) 2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2264 break; 2298 break;
2265 } 2299 }
2266 2300
2267 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2268 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2269 2303
2270 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2271 while (i && text[count] == NOCHAR) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2272 count++, i--; 2306 count++, i--;
2273 2307
2274 /* 2308 /*
2275 * Determine the attributes for the string 2309 * Determine the attributes for the string
2276 */ 2310 */
2277 int fore = GET_FGCOLOR (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2278 int back = GET_BGCOLOR (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2279 2313
2280 // only do special processing if any attributes are set, which is rare 2314 // only do special processing if any attributes are set, which is unlikely
2281 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful)) 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2282 { 2316 {
2283#if ENABLE_STYLES
2284 // force redraw after "careful" characters to avoid pixel droppings
2285 if (srp[col] & RS_Careful && col < ncol - 1 && 0)
2286 drp[col + 1] = ~srp[col + 1];
2287
2288 // include previous careful character(s) if possible, looks nicer (best effort...)
2289 while (text > stp
2290 && srp[text - stp - 1] & RS_Careful
2291 && RS_SAME (rend, srp[text - stp - 1]))
2292 text--, count++, xpixel -= fwidth;
2293#endif
2294
2295 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2296 2318
2297#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2298 if (rend & RS_Bold
2299 && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
2300 { 2321 {
2301 if (ISSET_PIXCOLOR (Color_BD)) 2322 if (ISSET_PIXCOLOR (Color_BD))
2302 fore = Color_BD; 2323 fore = Color_BD;
2303# if !ENABLE_STYLES 2324# if !ENABLE_STYLES
2304 else 2325 else
2305 invert = !invert; 2326 invert = !invert;
2306# endif 2327# endif
2307 } 2328 }
2308 2329
2309 if (rend & RS_Italic 2330 if (rend & RS_Italic && fore == Color_fg)
2310 && fore == Color_fg)
2311 { 2331 {
2312 if (ISSET_PIXCOLOR (Color_IT)) 2332 if (ISSET_PIXCOLOR (Color_IT))
2313 fore = Color_IT; 2333 fore = Color_IT;
2314# if !ENABLE_STYLES 2334# if !ENABLE_STYLES
2315 else 2335 else
2316 invert = !invert; 2336 invert = !invert;
2317# endif 2337# endif
2318 } 2338 }
2319 2339
2320 if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL)) 2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2321 fore = Color_UL; 2341 fore = Color_UL;
2342#endif
2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2322#endif 2362#endif
2323 2363
2324 if (invert) 2364 if (invert)
2325 { 2365 {
2326 SWAP_IT (fore, back, int); 2366 ::swap (fore, back);
2327 2367
2328#ifndef NO_BOLD_UNDERLINE_REVERSE 2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2329 if (ISSET_PIXCOLOR (Color_RV))
2330 back = Color_RV;
2331
2332 if (fore == back) 2369 if (fore == back)
2333 { 2370 {
2334 fore = Color_bg; 2371 fore = Color_bg;
2335 back = Color_fg; 2372 back = Color_fg;
2336 } 2373 }
… …
2338 } 2375 }
2339 2376
2340#ifdef TEXT_BLINK 2377#ifdef TEXT_BLINK
2341 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) 2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2342 { 2379 {
2343 if (!text_blink_ev.active) 2380 if (!text_blink_ev.is_active ())
2344 { 2381 {
2345 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); 2382 text_blink_ev.again ();
2346 hidden_text = 0; 2383 hidden_text = 0;
2347 } 2384 }
2348 else if (hidden_text) 2385 else if (hidden_text)
2349 fore = back; 2386 fore = back;
2350 } 2387 }
2351#endif 2388#endif
2389
2390#if ENABLE_STYLES
2391 // "careful" (too wide) character handling
2392
2393 // include previous careful character(s) if possible, looks nicer (best effort...)
2394 while (text > stp
2395 && srp[text - stp - 1] & RS_Careful
2396 && RS_SAME (rend, srp[text - stp - 1]))
2397 text--, count++, xpixel -= fwidth;
2398
2399 // force redraw after "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2401 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2402
2403 // force redraw before "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2405 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2406#endif
2352 } 2407 }
2353 2408
2354 /* 2409 /*
2355 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2356 */ 2411 */
2357 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2358 2413
2359 if (back == fore) 2414 if (ecb_likely (have_bg && back == Color_bg))
2360 font->clear_rect (*drawable, xpixel, ypixel,
2361 fwidth * count, fheight,
2362 back);
2363 else if (back == Color_bg)
2364 { 2415 {
2365 if (must_clear) 2416 // this is very ugly, maybe push it into ->draw?
2366 {
2367 CLEAR_CHARS (xpixel, ypixel, count);
2368 2417
2369 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2370 if (text[i] != ' ') 2419 if (text[i] != ' ')
2371 { 2420 {
2372 font->draw (*drawable, xpixel, ypixel, text, count, fore, -1); 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2373 break; 2422 goto did_clear;
2374 }
2375 } 2423 }
2376 else 2424
2377 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_bg); 2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2378 } 2427 }
2379 else 2428 else
2380 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2381 2430
2382 if (rend & RS_Uline && font->descent > 1 && fore != back) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2383 { 2432 {
2384#if ENABLE_FRILLS 2433#if ENABLE_FRILLS
2385 if (ISSET_PIXCOLOR (Color_underline)) 2434 if (ISSET_PIXCOLOR (Color_underline))
2386 XSetForeground (display->display, gc, pix_colors[Color_underline]); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2387 else 2436 else
2388#endif 2437#endif
2389 XSetForeground (display->display, gc, pix_colors[fore]); 2438 XSetForeground (dpy, gc, pix_colors[fore]);
2390 2439
2391 XDrawLine (display->display, drawBuffer, gc, 2440 XDrawLine (dpy, vt, gc,
2392 xpixel, ypixel + font->ascent + 1, 2441 xpixel, ypixel + font->ascent + 1,
2393 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2442 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2394 } 2443 }
2395 } /* for (col....) */ 2444 } /* for (col....) */
2396 } /* for (row....) */ 2445 } /* for (row....) */
2397 2446
2398#if ENABLE_OVERLAY
2399 scr_swap_overlay ();
2400#endif
2401
2402 /* 2447 /*
2403 * G: cleanup cursor and display outline cursor if necessary 2448 * G: cleanup cursor and display outline cursor if necessary
2404 */ 2449 */
2405 if (showcursor) 2450 if (showcursor)
2406 { 2451 {
2407 if (focus) 2452 if (focus)
2408 { 2453 {
2409 if (options & Opt_cursorUnderline) 2454 if (option (Opt_cursorUnderline))
2410 *crp ^= RS_Uline; 2455 *crp ^= RS_Uline;
2411 else 2456 else
2412 { 2457 {
2413 *crp ^= RS_RVid; 2458 *crp ^= RS_RVid;
2414#ifndef NO_CURSORCOLOR 2459#ifndef NO_CURSORCOLOR
… …
2423 2468
2424 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2469 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2425 col--; 2470 col--;
2426 2471
2427 while (col + cursorwidth < ncol 2472 while (col + cursorwidth < ncol
2428 && drawn[oldcursor.row].t[col + cursorwidth] == NOCHAR) 2473 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2429 cursorwidth++; 2474 cursorwidth++;
2430 2475
2431#ifndef NO_CURSORCOLOR 2476#ifndef NO_CURSORCOLOR
2432 if (ISSET_PIXCOLOR (Color_cursor)) 2477 if (ISSET_PIXCOLOR (Color_cursor))
2433 XSetForeground (display->display, gc, pix_colors[Color_cursor]); 2478 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2479 else
2434#endif 2480#endif
2481 XSetForeground (dpy, gc, pix_colors[ccol1]);
2435 2482
2436 XDrawRectangle (display->display, drawBuffer, gc, 2483 XDrawRectangle (dpy, vt, gc,
2437 Col2Pixel (col), 2484 Col2Pixel (col),
2438 Row2Pixel (oldcursor.row), 2485 Row2Pixel (oldcursor.row),
2439 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2486 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2440 (unsigned int) (Height2Pixel (1) - lineSpace - 1)); 2487 (unsigned int) (Height2Pixel (1) - 1));
2441 } 2488 }
2442 } 2489 }
2443 2490
2444 /* 2491 /*
2445 * H: cleanup selection 2492 * H: cleanup selection
2446 */ 2493 */
2494#if ENABLE_OVERLAY
2495 scr_swap_overlay ();
2496#endif
2497 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2498
2447 scr_reverse_selection (); 2499 scr_reverse_selection ();
2448 2500
2449 if (refresh_type & SMOOTH_REFRESH) 2501 screen.flags = old_screen_flags;
2450 XFlush (display->display);
2451
2452 num_scr = 0; 2502 num_scr = 0;
2453 num_scr_allow = 1; 2503 num_scr_allow = 1;
2454} 2504}
2455 2505
2456void 2506void ecb_cold
2457rxvt_term::scr_remap_chars (const line_t &l) 2507rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2458{ 2508{
2459 if (!l.t) 2509 if (!l.valid ())
2460 return; 2510 return;
2511
2512 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2461 2513
2462 for (int i = ncol; i--; ) 2514 for (int i = ncol; i--; )
2463 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2515 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2464} 2516}
2465 2517
2466void 2518void ecb_cold
2467rxvt_term::scr_remap_chars () 2519rxvt_term::scr_remap_chars () NOTHROW
2468{ 2520{
2469 for (int i = total_rows; i--; ) 2521 for (int i = total_rows; i--; )
2470 scr_remap_chars (save[i]); 2522 scr_remap_chars (row_buf [i]);
2471 2523
2472 for (int i = nrow; i--; ) 2524 for (int i = nrow; i--; )
2473 { 2525 {
2474 scr_remap_chars (drawn[i]); 2526 scr_remap_chars (drawn_buf [i]);
2475 scr_remap_chars (swap_save[i]); 2527 scr_remap_chars (swap_buf [i]);
2528 }
2529}
2530
2531void ecb_cold
2532rxvt_term::scr_recolour (bool refresh) NOTHROW
2533{
2534 bool transparent = false;
2535
2536#ifdef HAVE_BG_PIXMAP
2537 if (bg_img != 0)
2476 } 2538 {
2477} 2539# if ENABLE_TRANSPARENCY
2540 if (bg_flags & BG_IS_TRANSPARENT)
2541 {
2542 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2543 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2478 2544
2479void 2545 transparent = true;
2480rxvt_term::scr_recolour () 2546 }
2481{ 2547 else
2482 if (1
2483#if TRANSPARENT
2484 && !am_transparent
2485#endif 2548# endif
2486#if XPM_BACKGROUND
2487 && !bgPixmap.pixmap
2488#endif
2489 ) 2549 {
2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2551 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2552 }
2490 { 2553 }
2554 else
2555#endif
2556 {
2491 XSetWindowBackground (display->display, parent[0], pix_colors[Color_border]); 2557 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2492 XClearWindow (display->display, parent[0]);
2493 XSetWindowBackground (display->display, vt, pix_colors[Color_bg]); 2558 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2494#if HAVE_SCROLLBARS 2559 }
2560
2561 XClearWindow (dpy, parent);
2562
2495 if (scrollBar.win) 2563 if (scrollBar.win)
2496 { 2564 {
2565 if (transparent)
2566 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2567 else
2497 XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]); 2568 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2498 scrollBar.setIdle (); 2569 scrollBar.state = SB_STATE_IDLE;
2499 scrollbar_show (0); 2570 scrollBar.show (0);
2500 } 2571 }
2501#endif 2572
2573 if (refresh)
2502 } 2574 {
2503
2504 scr_clear (); 2575 scr_clear ();
2505 scr_touch (true); 2576 scr_touch (true);
2577 }
2506 want_refresh = 1; 2578 want_refresh = 1;
2507} 2579}
2508 2580
2509/* ------------------------------------------------------------------------- */ 2581/* ------------------------------------------------------------------------- */
2510void 2582void
2511rxvt_term::scr_clear (bool really) 2583rxvt_term::scr_clear (bool really) NOTHROW
2512{ 2584{
2513 if (!mapped) 2585 if (!mapped)
2514 return; 2586 return;
2515 2587
2516 num_scr_allow = 0; 2588 num_scr_allow = 0;
2517 want_refresh = 1; 2589 want_refresh = 1;
2518 2590
2519 if (really) 2591 if (really)
2520 XClearWindow (display->display, vt); 2592 XClearWindow (dpy, vt);
2521} 2593}
2522 2594
2523/* ------------------------------------------------------------------------- */
2524void 2595void
2596rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2597{
2598 int view_end = view_start + nrow;
2599 int row, col;
2600
2601 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2602 {
2603 text_t *stp = ROW(row).t;
2604 rend_t *srp = ROW(row).r;
2605
2606 for (col = beg_col; col < end_col; col++)
2607 srp[col] ^= rstyle1;
2608
2609 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2610 srp[col] ^= rstyle2;
2611
2612 if (++col < end_col)
2613 srp[col] ^= rstyle2;
2614 }
2615}
2616
2617void
2618rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2619{
2620 int view_end = view_start + nrow;
2621 int row, col;
2622
2623 if (beg_row >= view_start)
2624 {
2625 col = beg_col;
2626 row = beg_row;
2627 }
2628 else
2629 {
2630 col = 0;
2631 row = view_start;
2632 }
2633
2634 for (; row < min (end_row, view_end); row++, col = 0)
2635 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2636 srp[col] ^= rstyle;
2637
2638 if (row == end_row)
2639 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2640 srp[col] ^= rstyle;
2641}
2642
2643/* ------------------------------------------------------------------------- */
2644void ecb_hot
2525rxvt_term::scr_reverse_selection () 2645rxvt_term::scr_reverse_selection () NOTHROW
2526{ 2646{
2527 if (selection.op 2647 if (selection.op
2528 && current_screen == selection.screen 2648 && current_screen == selection.screen
2529 && selection.end.row >= -view_start) 2649 && selection.end.row >= view_start)
2530 { 2650 {
2531 int view_end = -view_start + nrow; 2651#if !ENABLE_MINIMAL
2532 int row, col;
2533
2534#if ENABLE_FRILLS
2535 if (selection.rect) 2652 if (selection.rect)
2536 { 2653 scr_xor_rect (selection.beg.row, selection.beg.col,
2537 for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++) 2654 selection.end.row, selection.end.col,
2538 for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++) 2655 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2539 srp[col] ^= RS_RVid;
2540 }
2541 else 2656 else
2542#endif 2657#endif
2543 { 2658 scr_xor_span (selection.beg.row, selection.beg.col,
2544 if (selection.beg.row >= -view_start) 2659 selection.end.row, selection.end.col,
2545 { 2660 RS_Sel | RS_RVid);
2546 col = selection.beg.col;
2547 row = selection.beg.row;
2548 }
2549 else
2550 {
2551 col = 0;
2552 row = view_start;
2553 }
2554
2555 for (; row < min (selection.end.row, view_end); row++, col = 0)
2556 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2557 srp[col] ^= RS_RVid;
2558
2559 if (row == selection.end.row)
2560 for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2561 srp[col] ^= RS_RVid;
2562 }
2563 } 2661 }
2564} 2662}
2565 2663
2566/* ------------------------------------------------------------------------- */ 2664/* ------------------------------------------------------------------------- */
2567/* 2665/*
2568 * Dump the whole scrollback and screen to the passed filedescriptor. The 2666 * Dump the whole scrollback and screen to the passed filedescriptor. The
2569 * invoking routine must close the fd. 2667 * invoking routine must close the fd.
2570 */ 2668 */
2571#if 0 2669#if 0
2572void 2670void
2573rxvt_term::scr_dump (int fd) 2671rxvt_term::scr_dump (int fd) NOTHROW
2574{ 2672{
2575 int row, wrote; 2673 // if this method is needed, it can be implemented by factoring the
2576 unsigned int width, towrite; 2674 // relevant code in scr_printscreen
2577 char r1[] = "\n";
2578
2579 for (row = saveLines - nsaved;
2580 row < saveLines + nrow - 1; row++)
2581 {
2582 width = save[row].l >= 0 ? save[row].l
2583 : ncol;
2584 for (towrite = width; towrite; towrite -= wrote)
2585 {
2586 wrote = write (fd, & (save[row].t[width - towrite]),
2587 towrite);
2588 if (wrote < 0)
2589 return; /* XXX: death, no report */
2590 }
2591 if (save[row].l >= 0)
2592 if (write (fd, r1, 1) <= 0)
2593 return; /* XXX: death, no report */
2594 }
2595} 2675}
2596#endif 2676#endif
2597 2677
2598/* ------------------------------------------------------------------------- * 2678/* ------------------------------------------------------------------------- *
2599 * CHARACTER SELECTION * 2679 * CHARACTER SELECTION *
2600 * ------------------------------------------------------------------------- */ 2680 * ------------------------------------------------------------------------- */
2601void 2681void
2602rxvt_term::selection_check (int check_more) 2682rxvt_term::selection_check (int check_more) NOTHROW
2603{ 2683{
2604 row_col_t pos;
2605
2606 if (!selection.op) 2684 if (!selection.op)
2607 return; 2685 return;
2608 2686
2609 pos.row = pos.col = 0;
2610 if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow) 2687 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2611 || !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow) 2688 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2612 || !IN_RANGE_EXC (selection.end.row, -nsaved, nrow) 2689 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2613 || (check_more == 1 2690 || (check_more == 1
2614 && current_screen == selection.screen 2691 && current_screen == selection.screen
2615 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2692 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2616 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2693 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2617 || (check_more == 2
2618 && ROWCOL_IS_BEFORE (selection.beg, pos)
2619 && ROWCOL_IS_AFTER (selection.end, pos))
2620 || (check_more == 3
2621 && ROWCOL_IS_AFTER (selection.end, pos))
2622 || (check_more == 4 /* screen width change */
2623 && (selection.beg.row != selection.end.row
2624 || selection.end.col > ncol)))
2625 CLEAR_SELECTION (); 2694 CLEAR_ALL_SELECTION ();
2626} 2695}
2627 2696
2628/* ------------------------------------------------------------------------- */ 2697/* ------------------------------------------------------------------------- */
2629/* 2698/*
2630 * Paste a selection direct to the command fd 2699 * Paste a selection direct to the command fd
2631 */ 2700 */
2632void 2701void
2633rxvt_term::paste (unsigned char *data, unsigned int len) 2702rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2634{ 2703{
2635 /* convert normal newline chars into common keyboard Return key sequence */ 2704 /* convert normal newline chars into common keyboard Return key sequence */
2636 for (unsigned int i = 0; i < len; i++) 2705 for (unsigned int i = 0; i < len; i++)
2637 if (data[i] == C0_LF) 2706 if (data[i] == C0_LF)
2638 data[i] = C0_CR; 2707 data[i] = C0_CR;
2639 2708
2709 if (priv_modes & PrivMode_BracketPaste)
2710 tt_printf ("\x1b[200~");
2711
2640 tt_write (data, len); 2712 tt_write (data, len);
2641}
2642 2713
2643/* ------------------------------------------------------------------------- */ 2714 if (priv_modes & PrivMode_BracketPaste)
2644/* 2715 tt_printf ("\x1b[201~");
2645 * Respond to a notification that a primary selection has been sent
2646 * EXT: SelectionNotify
2647 */
2648void
2649rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2650{
2651 if (prop == None) /* check for failed XConvertSelection */
2652 {
2653 if ((selection_type & Sel_CompoundText))
2654 {
2655 int selnum = selection_type & Sel_whereMask;
2656
2657 selection_type = 0;
2658 if (selnum != Sel_direct)
2659 selection_request_other (XA_STRING, selnum);
2660 }
2661
2662 if ((selection_type & Sel_UTF8String))
2663 {
2664 int selnum = selection_type & Sel_whereMask;
2665
2666 selection_type = Sel_CompoundText;
2667 if (selnum != Sel_direct)
2668 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2669 else
2670 selection_type = 0;
2671 }
2672
2673 return;
2674 }
2675
2676 unsigned long bytes_after;
2677 XTextProperty ct;
2678
2679 if (XGetWindowProperty (display->display, win, prop,
2680 0, PROP_SIZE / 4,
2681 delete_prop, AnyPropertyType,
2682 &ct.encoding, &ct.format,
2683 &ct.nitems, &bytes_after,
2684 &ct.value) != Success)
2685 {
2686 ct.value = 0;
2687 goto bailout;
2688 }
2689
2690 if (ct.encoding == None)
2691 goto bailout;
2692
2693 if (bytes_after)
2694 {
2695 // fetch and append remaining data
2696 XTextProperty ct2;
2697
2698 if (XGetWindowProperty (display->display, win, prop,
2699 ct.nitems / 4, (bytes_after + 3) / 4,
2700 delete_prop, AnyPropertyType,
2701 &ct2.encoding, &ct2.format,
2702 &ct2.nitems, &bytes_after,
2703 &ct2.value) != Success)
2704 goto bailout;
2705
2706 // realloc should be compatible to XFree, here, and elsewhere, too
2707 ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2708 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2709 ct.nitems += ct2.nitems;
2710
2711 XFree (ct2.value);
2712 }
2713
2714 if (ct.value == 0)
2715 goto bailout;
2716
2717 if (ct.encoding == xa[XA_INCR])
2718 {
2719 // INCR selection, start handshake
2720 if (!delete_prop)
2721 XDeleteProperty (display->display, win, prop);
2722
2723 selection_wait = Sel_incr;
2724 incr_buf_fill = 0;
2725 incr_ev.start (NOW + 10);
2726
2727 goto bailout;
2728 }
2729
2730 if (ct.nitems == 0)
2731 {
2732 if (selection_wait == Sel_incr)
2733 {
2734 XFree (ct.value);
2735
2736 // finally complete, now paste the whole thing
2737 selection_wait = Sel_normal;
2738 ct.value = (unsigned char *)incr_buf;
2739 ct.nitems = incr_buf_fill;
2740 incr_buf = 0;
2741 incr_buf_size = 0;
2742 incr_ev.stop ();
2743 }
2744 else
2745 {
2746 if (selection_wait == Sel_normal
2747 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2748 {
2749 /*
2750 * pass through again trying CUT_BUFFER0 if we've come from
2751 * XConvertSelection () but nothing was presented
2752 */
2753 selection_paste (display->root, XA_CUT_BUFFER0, False);
2754 }
2755
2756 goto bailout;
2757 }
2758 }
2759 else if (selection_wait == Sel_incr)
2760 {
2761 incr_ev.start (NOW + 10);
2762
2763 while (incr_buf_fill + ct.nitems > incr_buf_size)
2764 {
2765 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2766 incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2767 }
2768
2769 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2770 incr_buf_fill += ct.nitems;
2771
2772 goto bailout;
2773 }
2774
2775 char **cl;
2776 int cr;
2777
2778#if ENABLE_FRILLS
2779 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2780 // so recode it manually
2781 if (ct.encoding == xa[XA_UTF8_STRING])
2782 {
2783 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2784 char *s = rxvt_wcstombs (w);
2785 free (w);
2786 // TODO: strlen == only the first element will be converted. well...
2787 paste ((unsigned char *)s, strlen (s));
2788 free (s);
2789 }
2790 else
2791#endif
2792 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2793 && cl)
2794 {
2795 for (int i = 0; i < cr; i++)
2796 paste ((unsigned char *)cl[i], strlen (cl[i]));
2797
2798 XFreeStringList (cl);
2799 }
2800 else
2801 paste (ct.value, ct.nitems); // paste raw
2802
2803bailout:
2804 XFree (ct.value);
2805
2806 if (selection_wait == Sel_normal)
2807 selection_wait = Sel_none;
2808} 2716}
2809 2717
2810void 2718void
2811rxvt_term::incr_cb (time_watcher &w) 2719rxvt_term::paste (char *data, unsigned int len) NOTHROW
2812{ 2720{
2813 selection_wait = Sel_none; 2721 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2814
2815 incr_buf_size = 0;
2816 free (incr_buf);
2817
2818 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2819}
2820
2821void
2822rxvt_term::selection_property (Window win, Atom prop)
2823{
2824 if (prop == None || selection_wait != Sel_incr)
2825 return; 2722 return;
2826 2723
2827 selection_paste (win, prop, true); 2724 tt_paste (data, len);
2828} 2725}
2829 2726
2830/* ------------------------------------------------------------------------- */ 2727/* ------------------------------------------------------------------------- */
2831/* 2728/*
2832 * Request the current selection: 2729 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2833 * Order: > internal selection if available 2730 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2834 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2731 * as fallback
2835 * > CUT_BUFFER0
2836 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2837 * will auto fallback to CUT_BUFFER0
2838 * EXT: button 2 release 2732 * EXT: button 2 release
2839 */ 2733 */
2840void 2734void
2841rxvt_term::selection_request (Time tm, int x, int y) 2735rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2842{ 2736{
2843 if (x < 0 || x >= width || y < 0 || y >= height)
2844 return; /* outside window */
2845
2846 if (selection.text) 2737 if (!selection_req)
2847 { /* internal selection */
2848 char *str = rxvt_wcstombs (selection.text, selection.len);
2849 paste ((unsigned char *)str, strlen (str));
2850 free (str);
2851 return;
2852 } 2738 {
2853 else 2739 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2740 selection_req->run ();
2854 { 2741 }
2855 int i;
2856
2857 selection_request_time = tm;
2858 selection_wait = Sel_normal;
2859
2860 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2861 {
2862#if X_HAVE_UTF8_STRING
2863 selection_type = Sel_UTF8String;
2864 if (selection_request_other (xa[XA_UTF8_STRING], i))
2865 return;
2866#else
2867 selection_type = Sel_CompoundText;
2868 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2869 return;
2870#endif
2871 }
2872 }
2873
2874 selection_wait = Sel_none; /* don't loop in selection_paste () */
2875 selection_paste (display->root, XA_CUT_BUFFER0, false);
2876}
2877
2878int
2879rxvt_term::selection_request_other (Atom target, int selnum)
2880{
2881 Atom sel;
2882
2883 selection_type |= selnum;
2884
2885 if (selnum == Sel_Primary)
2886 sel = XA_PRIMARY;
2887 else if (selnum == Sel_Secondary)
2888 sel = XA_SECONDARY;
2889 else
2890 sel = xa[XA_CLIPBOARD];
2891
2892 if (XGetSelectionOwner (display->display, sel) != None)
2893 {
2894 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2895 vt, selection_request_time);
2896 return 1;
2897 }
2898
2899 return 0;
2900} 2742}
2901 2743
2902/* ------------------------------------------------------------------------- */ 2744/* ------------------------------------------------------------------------- */
2903/* 2745/*
2904 * Clear all selected text 2746 * Clear all selected text
2905 * EXT: SelectionClear 2747 * EXT: SelectionClear
2906 */ 2748 */
2907void 2749void
2908rxvt_term::selection_clear () 2750rxvt_term::selection_clear (bool clipboard) NOTHROW
2909{ 2751{
2752 if (!clipboard)
2753 {
2910 want_refresh = 1; 2754 want_refresh = 1;
2911 free (selection.text); 2755 free (selection.text);
2912 selection.text = NULL; 2756 selection.text = NULL;
2913 selection.len = 0; 2757 selection.len = 0;
2914 CLEAR_SELECTION (); 2758 CLEAR_SELECTION ();
2915 2759
2916 if (display->selection_owner == this) 2760 if (display->selection_owner == this)
2917 display->selection_owner = 0; 2761 display->selection_owner = 0;
2762 }
2763 else
2764 {
2765 free (selection.clip_text);
2766 selection.clip_text = NULL;
2767 selection.clip_len = 0;
2768
2769 if (display->clipboard_owner == this)
2770 display->clipboard_owner = 0;
2771 }
2918} 2772}
2919 2773
2920/* ------------------------------------------------------------------------- */ 2774/* ------------------------------------------------------------------------- */
2921/* 2775/*
2922 * Copy a selection into the cut buffer 2776 * Copy a selection into the cut buffer
2923 * EXT: button 1 or 3 release 2777 * EXT: button 1 or 3 release
2924 */ 2778 */
2925void 2779void
2926rxvt_term::selection_make (Time tm) 2780rxvt_term::selection_make (Time tm)
2927{ 2781{
2928 int i; 2782 int size;
2929 wchar_t *new_selection_text; 2783 wchar_t *new_selection_text;
2930 text_t *t; 2784 text_t *t;
2931 2785
2932 switch (selection.op) 2786 switch (selection.op)
2933 { 2787 {
… …
2946 selection.op = SELECTION_DONE; 2800 selection.op = SELECTION_DONE;
2947 2801
2948 if (selection.clicks == 4) 2802 if (selection.clicks == 4)
2949 return; /* nothing selected, go away */ 2803 return; /* nothing selected, go away */
2950 2804
2805 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2806 return;
2807
2951 i = (selection.end.row - selection.beg.row + 1) * (ncol + 1); 2808 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2952 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2809 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2953 2810
2954 int ofs = 0; 2811 int ofs = 0;
2955 int extra = 0; 2812 int extra = 0;
2956 2813
2957 int col = selection.beg.col; 2814 int col = selection.beg.col;
… …
2959 2816
2960 int end_col; 2817 int end_col;
2961 2818
2962 for (; row <= selection.end.row; row++, col = 0) 2819 for (; row <= selection.end.row; row++, col = 0)
2963 { 2820 {
2964#if ENABLE_FRILLS 2821#if !ENABLE_MINIMAL
2965 if (selection.rect) 2822 if (selection.rect)
2966 { 2823 {
2967 col = selection.beg.col; 2824 col = selection.beg.col;
2968 end_col = ncol + 1; 2825 end_col = selection.end.col;
2969 } 2826 }
2970 else 2827 else
2971#endif 2828#endif
2972 end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN 2829 end_col = ROW(row).l;
2973 2830
2974 col = max (col, 0); 2831 col = max (col, 0);
2975 2832
2976 if (row == selection.end.row || selection.rect) 2833 if (row == selection.end.row)
2977 end_col = min (end_col, selection.end.col); 2834 min_it (end_col, selection.end.col);
2978 2835
2979 t = ROW(row).t + col; 2836 t = ROW(row).t + col;
2837
2980 for (; col < end_col; col++) 2838 for (; col < end_col; col++)
2981 { 2839 {
2982 if (*t == NOCHAR) 2840 if (*t == NOCHAR)
2983 t++; 2841 t++;
2984#if ENABLE_COMBINING 2842#if ENABLE_COMBINING
… …
2988 2846
2989 extra -= (len - 1); 2847 extra -= (len - 1);
2990 2848
2991 if (extra < 0) 2849 if (extra < 0)
2992 { 2850 {
2993 extra += i; 2851 extra += size;
2994 i += i; 2852 size += size;
2995 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2853 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2996 } 2854 }
2997 2855
2998 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2856 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2999 } 2857 }
3000#endif 2858#endif
3001 else 2859 else
3002 new_selection_text[ofs++] = *t++; 2860 new_selection_text[ofs++] = *t++;
3003 } 2861 }
3004 2862
3005 if (!ROW(row).is_longer () && row != selection.end.row) 2863#if !ENABLE_MINIMAL
2864 if (selection.rect)
2865 {
2866 while (ofs
2867 && new_selection_text[ofs - 1] != C0_LF
2868 && unicode::is_space (new_selection_text[ofs - 1]))
2869 --ofs;
2870
3006 new_selection_text[ofs++] = C0_LF; 2871 new_selection_text[ofs++] = C0_LF;
3007 } 2872 }
3008 2873 else
3009 if (end_col != selection.end.col) 2874#endif
2875 if (!ROW(row).is_longer ()
2876 && (row != selection.end.row || end_col != selection.end.col)
2877 && (row != selection.beg.row || selection.beg.col < ncol))
3010 new_selection_text[ofs++] = C0_LF; 2878 new_selection_text[ofs++] = C0_LF;
2879 }
3011 2880
3012 new_selection_text[ofs] = 0; 2881 new_selection_text[ofs] = 0;
3013 2882
3014 if (ofs == 0) 2883 if (ofs == 0)
3015 { 2884 {
… …
3021 2890
3022 // we usually allocate much more than necessary, so realloc it smaller again 2891 // we usually allocate much more than necessary, so realloc it smaller again
3023 selection.len = ofs; 2892 selection.len = ofs;
3024 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 2893 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3025 2894
3026 XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm); 2895 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3027 if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt) 2896 return;
3028 display->set_selection_owner (this); 2897
2898 selection_grab (tm);
2899}
2900
2901bool
2902rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2903{
2904 Atom sel;
2905
2906 if (!clipboard)
2907 {
2908 selection_time = tm;
2909 sel = XA_PRIMARY;
2910 }
3029 else 2911 else
3030 rxvt_warn ("can't get primary selection, ignoring.\n"); 2912 {
2913 clipboard_time = tm;
2914 sel = xa[XA_CLIPBOARD];
2915 }
2916
2917 XSetSelectionOwner (dpy, sel, vt, tm);
2918 if (XGetSelectionOwner (dpy, sel) == vt)
2919 {
2920 display->set_selection_owner (this, clipboard);
2921 return true;
2922 }
2923 else
2924 {
2925 selection_clear (clipboard);
2926 return false;
2927 }
3031 2928
3032#if 0 2929#if 0
3033 XTextProperty ct; 2930 XTextProperty ct;
3034 2931
3035 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 2932 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
3036 { 2933 {
3037 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems); 2934 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
3038 XFree (ct.value); 2935 XFree (ct.value);
3039 } 2936 }
3040#endif 2937#endif
3041
3042 selection_time = tm;
3043} 2938}
3044 2939
3045/* ------------------------------------------------------------------------- */ 2940/* ------------------------------------------------------------------------- */
3046/* 2941/*
3047 * Mark or select text based upon number of clicks: 1, 2, or 3 2942 * Mark or select text based upon number of clicks: 1, 2, or 3
3048 * EXT: button 1 press 2943 * EXT: button 1 press
3049 */ 2944 */
3050void 2945void ecb_cold
3051rxvt_term::selection_click (int clicks, int x, int y) 2946rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3052{ 2947{
3053 clicks = ((clicks - 1) % 3) + 1; 2948 clicks = ((clicks - 1) % 3) + 1;
3054 selection.clicks = clicks; /* save clicks so extend will work */ 2949 selection.clicks = clicks; /* save clicks so extend will work */
3055 2950
2951 if (clicks == 2 && !selection.rect
2952 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2953 {
2954 MEvent.clicks = 1; // what a mess
2955 selection.screen = current_screen;
2956 selection.op = SELECTION_CONT;
2957 return;
2958 }
2959
3056 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 2960 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3057 2961
3058 if (clicks == 2 || clicks == 3) 2962 if (clicks == 2 || clicks == 3)
3059 selection_extend_colrow (selection.mark.col, 2963 selection_extend_colrow (selection.mark.col,
3060 selection.mark.row + view_start, 2964 selection.mark.row - view_start,
3061 0, /* button 3 */ 2965 0, /* button 3 */
3062 1, /* button press */ 2966 1, /* button press */
3063 0); /* click change */ 2967 0); /* click change */
3064} 2968}
3065 2969
3066/* ------------------------------------------------------------------------- */ 2970/* ------------------------------------------------------------------------- */
3067/* 2971/*
3068 * Mark a selection at the specified col/row 2972 * Mark a selection at the specified col/row
3069 */ 2973 */
3070void 2974void ecb_cold
3071rxvt_term::selection_start_colrow (int col, int row) 2975rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3072{ 2976{
3073 want_refresh = 1; 2977 want_refresh = 1;
3074 2978
3075 selection.mark.row = row - view_start; 2979 selection.mark.row = row + view_start;
3076 selection.mark.col = col; 2980 selection.mark.col = col;
3077 2981
3078 selection.mark.row = min (max (selection.mark.row, -nsaved), nrow - 1); 2982 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3079 selection.mark.col = min (max (selection.mark.col, 0), ncol - 1); 2983 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3080 2984
3081 while (selection.mark.col > 0 2985 while (selection.mark.col > 0
3082 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR) 2986 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3083 --selection.mark.col; 2987 --selection.mark.col;
3084 2988
3085 if (selection.op) 2989 if (selection.op)
2990 {
3086 { /* clear the old selection */ 2991 /* clear the old selection */
3087 selection.beg.row = selection.end.row = selection.mark.row; 2992 selection.beg.row = selection.end.row = selection.mark.row;
3088 selection.beg.col = selection.end.col = selection.mark.col; 2993 selection.beg.col = selection.end.col = selection.mark.col;
3089 } 2994 }
3090 2995
3091 selection.op = SELECTION_INIT; 2996 selection.op = SELECTION_INIT;
… …
3101/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3006/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3102#define DELIMIT_TEXT(x) \ 3007#define DELIMIT_TEXT(x) \
3103 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3008 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3104#define DELIMIT_REND(x) 1 3009#define DELIMIT_REND(x) 1
3105 3010
3106void 3011void ecb_cold
3107rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3012rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3108{ 3013{
3109 int col, row, dirnadd, tcol, trow, w1, w2; 3014 int col, row, dirnadd, tcol, trow, w1, w2;
3110 row_col_t bound; 3015 row_col_t bound;
3111 text_t *stp; 3016 text_t *stp;
3112 rend_t *srp; 3017 rend_t *srp;
3113 3018
3114 if (dirn == UP) 3019 if (dirn == UP)
3115 { 3020 {
3116 bound.row = - nsaved - 1; 3021 bound.row = top_row - 1;
3117 bound.col = 0; 3022 bound.col = 0;
3118 dirnadd = -1; 3023 dirnadd = -1;
3119 } 3024 }
3120 else 3025 else
3121 { 3026 {
… …
3169 } 3074 }
3170 } 3075 }
3171 break; 3076 break;
3172 } 3077 }
3173 3078
3174Old_Word_Selection_You_Die:
3175 if (dirn == DN) 3079 if (dirn == DN)
3176 col++; /* put us on one past the end */ 3080 col++; /* put us on one past the end */
3177 3081
3178 /* Poke the values back in */ 3082 /* Poke the values back in */
3179 ret->row = row; 3083 ret->row = row;
… …
3186 * EXT: button 3 press; button 1 or 3 drag 3090 * EXT: button 3 press; button 1 or 3 drag
3187 * flag == 0 ==> button 1 3091 * flag == 0 ==> button 1
3188 * flag == 1 ==> button 3 press 3092 * flag == 1 ==> button 3 press
3189 * flag == 2 ==> button 3 motion 3093 * flag == 2 ==> button 3 motion
3190 */ 3094 */
3191void 3095void ecb_cold
3192rxvt_term::selection_extend (int x, int y, int flag) 3096rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3193{ 3097{
3194 int col = min (max (Pixel2Col (x), 0), nrow - 1); 3098 int col = clamp (Pixel2Col (x), 0, ncol);
3195 int row = min (max (Pixel2Row (y), 0), ncol); 3099 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3196 3100
3197 /* 3101 /*
3198 * If we're selecting characters (single click) then we must check first 3102 * If we're selecting characters (single click) then we must check first
3199 * if we are at the same place as the original mark. If we are then 3103 * if we are at the same place as the original mark. If we are then
3200 * select nothing. Otherwise, if we're to the right of the mark, you have to 3104 * select nothing. Otherwise, if we're to the right of the mark, you have to
3201 * be _past_ a character for it to be selected. 3105 * be _past_ a character for it to be selected.
3202 */ 3106 */
3203 if (((selection.clicks % 3) == 1) && !flag 3107 if (((selection.clicks % 3) == 1) && !flag
3204 && (col == selection.mark.col 3108 && (col == selection.mark.col
3205 && (row == selection.mark.row + view_start))) 3109 && (row == selection.mark.row - view_start)))
3206 { 3110 {
3207 /* select nothing */ 3111 /* select nothing */
3208 selection.beg.row = selection.end.row = 0; 3112 selection.beg.row = selection.end.row = 0;
3209 selection.beg.col = selection.end.col = 0; 3113 selection.beg.col = selection.end.col = 0;
3210 selection.clicks = 4; 3114 selection.clicks = 4;
… …
3222 3126
3223/* ------------------------------------------------------------------------- */ 3127/* ------------------------------------------------------------------------- */
3224/* 3128/*
3225 * Extend the selection to the specified col/row 3129 * Extend the selection to the specified col/row
3226 */ 3130 */
3227void 3131void ecb_cold
3228rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3132rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3229{ 3133{
3230 row_col_t pos; 3134 row_col_t pos;
3231 enum { 3135 enum {
3232 LEFT, RIGHT 3136 LEFT, RIGHT
3233 } closeto = RIGHT; 3137 } closeto = RIGHT;
… …
3265 selection.beg.col = selection.end.col = selection.mark.col; 3169 selection.beg.col = selection.end.col = selection.mark.col;
3266 selection.beg.row = selection.end.row = selection.mark.row; 3170 selection.beg.row = selection.end.row = selection.mark.row;
3267 } 3171 }
3268 3172
3269 pos.col = col; 3173 pos.col = col;
3270 pos.row = row - view_start; 3174 pos.row = view_start + row;
3271 3175
3272 /* 3176 /*
3273 * This is mainly xterm style selection with a couple of differences, mainly 3177 * This is mainly xterm style selection with a couple of differences, mainly
3274 * in the way button3 drag extension works. 3178 * in the way button3 drag extension works.
3275 * We're either doing: button1 drag; button3 press; or button3 drag 3179 * We're either doing: button1 drag; button3 press; or button3 drag
… …
3281 * a point/word/line which is either the start or end of the selection 3185 * a point/word/line which is either the start or end of the selection
3282 * and it was decided by whichever point/word/line was `fixed' at the 3186 * and it was decided by whichever point/word/line was `fixed' at the
3283 * time of the most recent button3 press 3187 * time of the most recent button3 press
3284 */ 3188 */
3285 if (button3 && buttonpress) 3189 if (button3 && buttonpress)
3190 {
3286 { /* button3 press */ 3191 /* button3 press */
3287 /* 3192 /*
3288 * first determine which edge of the selection we are closest to 3193 * first determine which edge of the selection we are closest to
3289 */ 3194 */
3290 if (ROWCOL_IS_BEFORE (pos, selection.beg) 3195 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3291 || (!ROWCOL_IS_AFTER (pos, selection.end) 3196 || (!ROWCOL_IS_AFTER (pos, selection.end)
… …
3309 selection.mark.row = selection.beg.row; 3214 selection.mark.row = selection.beg.row;
3310 selection.mark.col = selection.beg.col; 3215 selection.mark.col = selection.beg.col;
3311 } 3216 }
3312 } 3217 }
3313 else 3218 else
3219 {
3314 { /* button1 drag or button3 drag */ 3220 /* button1 drag or button3 drag */
3315 if (ROWCOL_IS_AFTER (selection.mark, pos)) 3221 if (ROWCOL_IS_AFTER (selection.mark, pos))
3316 { 3222 {
3317 if (selection.mark.row == selection.end.row 3223 if (selection.mark.row == selection.end.row
3318 && selection.mark.col == selection.end.col 3224 && selection.mark.col == selection.end.col
3319 && clickchange 3225 && clickchange
… …
3336 3242
3337 if (selection.clicks == 1) 3243 if (selection.clicks == 1)
3338 { 3244 {
3339 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN 3245 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3340 && !ROW(selection.beg.row).is_longer () 3246 && !ROW(selection.beg.row).is_longer ()
3341#if ENABLE_FRILLS 3247#if !ENABLE_MINIMAL
3342 && !selection.rect 3248 && !selection.rect
3343#endif 3249#endif
3344 ) 3250 )
3345 selection.beg.col = ncol; 3251 selection.beg.col = ncol;
3346 3252
3347 if ( 3253 if (
3348 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN 3254 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3349 && !ROW(selection.end.row).is_longer () 3255 && !ROW(selection.end.row).is_longer ()
3350#if ENABLE_FRILLS 3256#if !ENABLE_MINIMAL
3351 && !selection.rect 3257 && !selection.rect
3352#endif 3258#endif
3353 ) 3259 )
3354 selection.end.col = ncol; 3260 selection.end.col = ncol;
3355 } 3261 }
… …
3362 selection_delimit_word (DN, &selection.end, &selection.end); 3268 selection_delimit_word (DN, &selection.end, &selection.end);
3363 } 3269 }
3364 else if (selection.clicks == 3) 3270 else if (selection.clicks == 3)
3365 { 3271 {
3366#if ENABLE_FRILLS 3272#if ENABLE_FRILLS
3367 if (options & Opt_tripleclickwords) 3273 if (option (Opt_tripleclickwords))
3368 { 3274 {
3369 selection_delimit_word (UP, &selection.beg, &selection.beg); 3275 selection_delimit_word (UP, &selection.beg, &selection.beg);
3370 3276
3371 for (int end_row = selection.mark.row; end_row < nrow; end_row++) 3277 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3372 { 3278 {
3373 if (!ROW(end_row).is_longer ()) 3279 if (!ROW(end_row).is_longer ())
3374 { 3280 {
3375 selection.end.row = end_row; 3281 selection.end.row = end_row;
3376 selection.end.col = save[end_row + saveLines].l; 3282 selection.end.col = ROW(end_row).l;
3283# if !ENABLE_MINIMAL
3377 selection_remove_trailing_spaces (); 3284 selection_remove_trailing_spaces ();
3285# endif
3378 break; 3286 break;
3379 } 3287 }
3380 } 3288 }
3381 } 3289 }
3382 else 3290 else
… …
3398 selection.end.row++; 3306 selection.end.row++;
3399 } 3307 }
3400 } 3308 }
3401 3309
3402 if (button3 && buttonpress) 3310 if (button3 && buttonpress)
3311 {
3403 { /* mark may need to be changed */ 3312 /* mark may need to be changed */
3404 if (closeto == LEFT) 3313 if (closeto == LEFT)
3405 { 3314 {
3406 selection.mark.row = selection.end.row; 3315 selection.mark.row = selection.end.row;
3407 selection.mark.col = selection.end.col - (selection.clicks == 2); 3316 selection.mark.col = selection.end.col - (selection.clicks == 2);
3408 } 3317 }
… …
3411 selection.mark.row = selection.beg.row; 3320 selection.mark.row = selection.beg.row;
3412 selection.mark.col = selection.beg.col; 3321 selection.mark.col = selection.beg.col;
3413 } 3322 }
3414 } 3323 }
3415 3324
3416#if ENABLE_FRILLS 3325#if !ENABLE_MINIMAL
3417 if (selection.rect && selection.beg.col > selection.end.col) 3326 if (selection.rect && selection.beg.col > selection.end.col)
3418 SWAP_IT (selection.beg.col, selection.end.col, int); 3327 ::swap (selection.beg.col, selection.end.col);
3419#endif 3328#endif
3420} 3329}
3421 3330
3422#if ENABLE_FRILLS 3331#if !ENABLE_MINIMAL
3423void 3332void ecb_cold
3424rxvt_term::selection_remove_trailing_spaces () 3333rxvt_term::selection_remove_trailing_spaces () NOTHROW
3425{ 3334{
3426 int32_t end_col, end_row; 3335 int32_t end_col, end_row;
3427 text_t *stp; 3336 text_t *stp;
3428 3337
3429 end_col = selection.end.col; 3338 end_col = selection.end.col;
… …
3433 { 3342 {
3434 stp = ROW(end_row).t; 3343 stp = ROW(end_row).t;
3435 3344
3436 while (--end_col >= 0) 3345 while (--end_col >= 0)
3437 { 3346 {
3438 if (stp[end_col] != ' ' 3347 if (stp[end_col] != NOCHAR
3439 && stp[end_col] != '\t' 3348 && !unicode::is_space (stp[end_col]))
3440 && stp[end_col] != NOCHAR)
3441 break; 3349 break;
3442 } 3350 }
3443 3351
3444 if (end_col >= 0 3352 if (end_col >= 0
3445 || !ROW(end_row - 1).is_longer ()) 3353 || !ROW(end_row - 1).is_longer ())
… …
3467/* ------------------------------------------------------------------------- */ 3375/* ------------------------------------------------------------------------- */
3468/* 3376/*
3469 * Double click on button 3 when already selected 3377 * Double click on button 3 when already selected
3470 * EXT: button 3 double click 3378 * EXT: button 3 double click
3471 */ 3379 */
3472void 3380void ecb_cold
3473rxvt_term::selection_rotate (int x, int y) 3381rxvt_term::selection_rotate (int x, int y) NOTHROW
3474{ 3382{
3475 selection.clicks = selection.clicks % 3 + 1; 3383 selection.clicks = selection.clicks % 3 + 1;
3476 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3384 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3477} 3385}
3478 3386
3479/* ------------------------------------------------------------------------- */ 3387/* ------------------------------------------------------------------------- */
3480/* 3388/*
3481 * Respond to a request for our current selection 3389 * Respond to a request for our current selection
3482 * EXT: SelectionRequest 3390 * EXT: SelectionRequest
3483 */ 3391 */
3484void 3392void ecb_cold
3485rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3393rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3486{ 3394{
3395 Atom property = rq.property == None ? rq.target : rq.property;
3487 XSelectionEvent ev; 3396 XSelectionEvent ev;
3488 dDisp;
3489 3397
3490 ev.type = SelectionNotify; 3398 ev.type = SelectionNotify;
3491 ev.property = None; 3399 ev.property = None;
3492 ev.display = rq.display; 3400 ev.display = rq.display;
3493 ev.requestor = rq.requestor; 3401 ev.requestor = rq.requestor;
… …
3507 *target++ = xa[XA_COMPOUND_TEXT]; 3415 *target++ = xa[XA_COMPOUND_TEXT];
3508#if X_HAVE_UTF8_STRING 3416#if X_HAVE_UTF8_STRING
3509 *target++ = xa[XA_UTF8_STRING]; 3417 *target++ = xa[XA_UTF8_STRING];
3510#endif 3418#endif
3511 3419
3512 XChangeProperty (disp, rq.requestor, rq.property, XA_ATOM, 3420 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3513 32, PropModeReplace, 3421 32, PropModeReplace,
3514 (unsigned char *)target_list, target - target_list); 3422 (unsigned char *)target_list, target - target_list);
3515 ev.property = rq.property; 3423 ev.property = property;
3516 } 3424 }
3517#if TODO // TODO 3425#if TODO // TODO
3518 else if (rq.target == xa[XA_MULTIPLE]) 3426 else if (rq.target == xa[XA_MULTIPLE])
3519 { 3427 {
3520 /* TODO: Handle MULTIPLE */ 3428 /* TODO: Handle MULTIPLE */
3521 } 3429 }
3522#endif 3430#endif
3523 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3431 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3524 { 3432 {
3525 XChangeProperty (disp, rq.requestor, rq.property, rq.target, 3433 XChangeProperty (dpy, rq.requestor, property, rq.target,
3526 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3434 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3527 ev.property = rq.property; 3435 ev.property = property;
3436 }
3437 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3438 {
3439 XChangeProperty (dpy, rq.requestor, property, rq.target,
3440 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3441 ev.property = property;
3528 } 3442 }
3529 else if (rq.target == XA_STRING 3443 else if (rq.target == XA_STRING
3530 || rq.target == xa[XA_TEXT] 3444 || rq.target == xa[XA_TEXT]
3531 || rq.target == xa[XA_COMPOUND_TEXT] 3445 || rq.target == xa[XA_COMPOUND_TEXT]
3532 || rq.target == xa[XA_UTF8_STRING] 3446 || rq.target == xa[XA_UTF8_STRING]
… …
3554 style = enc_string; 3468 style = enc_string;
3555 else if (target == xa[XA_TEXT]) 3469 else if (target == xa[XA_TEXT])
3556 style = enc_text; 3470 style = enc_text;
3557 else if (target == xa[XA_COMPOUND_TEXT]) 3471 else if (target == xa[XA_COMPOUND_TEXT])
3558 style = enc_compound_text; 3472 style = enc_compound_text;
3559#if ENABLE_FRILLS 3473#if !ENABLE_MINIMAL
3560 else if (target == xa[XA_UTF8_STRING]) 3474 else if (target == xa[XA_UTF8_STRING])
3561 style = enc_utf8; 3475 style = enc_utf8;
3562#endif 3476#endif
3563 else 3477 else
3564 { 3478 {
3565 target = xa[XA_COMPOUND_TEXT]; 3479 target = xa[XA_COMPOUND_TEXT];
3566 style = enc_compound_text; 3480 style = enc_compound_text;
3567 } 3481 }
3568 3482
3569 if (selection.text) 3483 if (rq.selection == XA_PRIMARY && selection.text)
3570 { 3484 {
3571 cl = selection.text; 3485 cl = selection.text;
3572 selectlen = selection.len; 3486 selectlen = selection.len;
3573 } 3487 }
3488 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3489 {
3490 cl = selection.clip_text;
3491 selectlen = selection.clip_len;
3492 }
3574 else 3493 else
3575 { 3494 {
3576 cl = L""; 3495 cl = L"";
3577 selectlen = 0; 3496 selectlen = 0;
3578 } 3497 }
3579 3498
3580#if ENABLE_FRILLS 3499#if !ENABLE_MINIMAL
3581 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 3500 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3582 // so recode it manually 3501 // so recode it manually
3583 if (style == enc_utf8) 3502 if (style == enc_utf8)
3584 { 3503 {
3585 freect = 1; 3504 freect = 1;
… …
3588 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen); 3507 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3589 ct.nitems = strlen ((char *)ct.value); 3508 ct.nitems = strlen ((char *)ct.value);
3590 } 3509 }
3591 else 3510 else
3592#endif 3511#endif
3593 if (XwcTextListToTextProperty (disp, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0) 3512 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3594 freect = 1; 3513 freect = 1;
3595 else 3514 else
3596 { 3515 {
3597 /* if we failed to convert then send it raw */ 3516 /* if we failed to convert then send it raw */
3598 ct.value = (unsigned char *)cl; 3517 ct.value = (unsigned char *)cl;
3599 ct.nitems = selectlen; 3518 ct.nitems = selectlen;
3600 ct.encoding = target; 3519 ct.encoding = target;
3601 } 3520 }
3602 3521
3603 XChangeProperty (disp, rq.requestor, rq.property, 3522 XChangeProperty (dpy, rq.requestor, property,
3604 ct.encoding, 8, PropModeReplace, 3523 ct.encoding, 8, PropModeReplace,
3605 ct.value, (int)ct.nitems); 3524 ct.value, (int)ct.nitems);
3606 ev.property = rq.property; 3525 ev.property = property;
3607 3526
3608 if (freect) 3527 if (freect)
3609 XFree (ct.value); 3528 XFree (ct.value);
3610 } 3529 }
3611 3530
3612 XSendEvent (disp, rq.requestor, False, 0L, (XEvent *)&ev); 3531 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3613} 3532}
3614 3533
3615/* ------------------------------------------------------------------------- * 3534/* ------------------------------------------------------------------------- */
3616 * MOUSE ROUTINES *
3617 * ------------------------------------------------------------------------- */
3618
3619/*
3620 * return col/row values corresponding to x/y pixel values
3621 */
3622void
3623rxvt_term::pixel_position (int *x, int *y)
3624{
3625 *x = Pixel2Col (*x);
3626 /* MAX_IT (*x, 0); MIN_IT (*x, (int)ncol - 1); */
3627 *y = Pixel2Row (*y);
3628 /* MAX_IT (*y, 0); MIN_IT (*y, (int)nrow - 1); */
3629}
3630
3631/* ------------------------------------------------------------------------- */
3632#ifdef USE_XIM 3535#if USE_XIM
3633void 3536void ecb_cold
3634rxvt_term::im_set_position (XPoint &pos) 3537rxvt_term::im_set_position (XPoint &pos) NOTHROW
3635{ 3538{
3636 XWindowAttributes xwa; 3539 XWindowAttributes xwa;
3637 3540
3638 XGetWindowAttributes (display->display, vt, &xwa); 3541 XGetWindowAttributes (dpy, vt, &xwa);
3639 3542
3640 pos.x = xwa.x + Col2Pixel (screen.cur.col); 3543 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3641 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase; 3544 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3642} 3545}
3643#endif 3546#endif
3644 3547
3645#if ENABLE_OVERLAY 3548#if ENABLE_OVERLAY
3646void 3549void
3647rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3550rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3648{ 3551{
3649 if (nrow < 3 || ncol < 3) 3552 if (nrow < 1 || ncol < 1)
3650 return; 3553 return;
3651 3554
3652 want_refresh = 1; 3555 want_refresh = 1;
3653 3556
3654 scr_overlay_off (); 3557 scr_overlay_off ();
3655 3558
3656 if (x < 0) x = ncol - w; 3559 if (x < 0) x = ncol - w;
3657 if (y < 0) y = nrow - h; 3560 if (y < 0) y = nrow - h;
3658 3561
3659 // make space for border 3562 // make space for border
3660 w += 2; MIN_IT (w, ncol); 3563 w += 2; min_it (w, ncol);
3661 h += 2; MIN_IT (h, nrow); 3564 h += 2; min_it (h, nrow);
3662 3565
3663 x -= 1; MAX_IT (x, 0); 3566 x -= 1; clamp_it (x, 0, ncol - w);
3664 y -= 1; MAX_IT (y, 0); 3567 y -= 1; clamp_it (y, 0, nrow - h);
3665 3568
3666 MIN_IT (x, ncol - w);
3667 MIN_IT (y, nrow - h);
3668
3669 ov_x = x; ov_y = y; 3569 ov.x = x; ov.y = y;
3670 ov_w = w; ov_h = h; 3570 ov.w = w; ov.h = h;
3671 3571
3672 ov_text = new text_t *[h]; 3572 ov.text = new text_t *[h];
3673 ov_rend = new rend_t *[h]; 3573 ov.rend = new rend_t *[h];
3674 3574
3675 for (y = 0; y < h; y++) 3575 for (y = 0; y < h; y++)
3676 { 3576 {
3677 text_t *tp = ov_text[y] = new text_t[w]; 3577 text_t *tp = ov.text[y] = new text_t[w];
3678 rend_t *rp = ov_rend[y] = new rend_t[w]; 3578 rend_t *rp = ov.rend[y] = new rend_t[w];
3679 3579
3680 text_t t0, t1, t2; 3580 text_t t0, t1, t2;
3681 rend_t r = OVERLAY_RSTYLE; 3581 rend_t r = OVERLAY_RSTYLE;
3682 3582
3683 if (y == 0) 3583 if (y == 0)
… …
3700 *rp = r; 3600 *rp = r;
3701 } 3601 }
3702} 3602}
3703 3603
3704void 3604void
3705rxvt_term::scr_overlay_off () 3605rxvt_term::scr_overlay_off () NOTHROW
3706{ 3606{
3707 if (!ov_text) 3607 if (!ov.text)
3708 return; 3608 return;
3709 3609
3710 want_refresh = 1; 3610 want_refresh = 1;
3711 3611
3712 for (int y = 0; y < ov_h; y++) 3612 for (int y = 0; y < ov.h; y++)
3713 { 3613 {
3714 delete [] ov_text[y]; 3614 delete [] ov.text[y];
3715 delete [] ov_rend[y]; 3615 delete [] ov.rend[y];
3716 } 3616 }
3717 3617
3718 delete [] ov_text; ov_text = 0; 3618 delete [] ov.text; ov.text = 0;
3719 delete [] ov_rend; ov_rend = 0; 3619 delete [] ov.rend; ov.rend = 0;
3720} 3620}
3721 3621
3722void 3622void
3723rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3623rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3724{ 3624{
3725 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3625 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3726 return; 3626 return;
3727 3627
3728 x++, y++; 3628 x++, y++;
3729 3629
3730 ov_text[y][x] = text; 3630 ov.text[y][x] = text;
3731 ov_rend[y][x] = rend; 3631 ov.rend[y][x] = rend;
3732} 3632}
3733 3633
3734void 3634void
3735rxvt_term::scr_overlay_set (int x, int y, const char *s) 3635rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3736{ 3636{
3737 while (*s) 3637 while (*s)
3738 scr_overlay_set (x++, y, *s++); 3638 scr_overlay_set (x++, y, *s++);
3739} 3639}
3740 3640
3741void 3641void
3742rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) 3642rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3743{ 3643{
3744 while (*s) 3644 while (*s)
3745 { 3645 {
3746 text_t t = *s++; 3646 text_t t = *s++;
3747 int width = wcwidth (t); 3647 int width = WCWIDTH (t);
3748 3648
3749 while (width--) 3649 while (width--)
3750 { 3650 {
3751 scr_overlay_set (x++, y, t); 3651 scr_overlay_set (x++, y, t);
3752 t = NOCHAR; 3652 t = NOCHAR;
3753 } 3653 }
3754 } 3654 }
3755} 3655}
3756 3656
3757void 3657void
3758rxvt_term::scr_swap_overlay () 3658rxvt_term::scr_swap_overlay () NOTHROW
3759{ 3659{
3760 if (!ov_text) 3660 if (!ov.text)
3761 return; 3661 return;
3762 3662
3663 // hide cursor if it is within the overlay area
3664 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3665 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3666 screen.flags &= ~Screen_VisibleCursor;
3667
3763 // swap screen mem with overlay 3668 // swap screen mem with overlay
3764 for (int y = ov_h; y--; ) 3669 for (int y = ov.h; y--; )
3765 { 3670 {
3766 text_t *t1 = ov_text[y]; 3671 text_t *t1 = ov.text[y];
3767 rend_t *r1 = ov_rend[y]; 3672 rend_t *r1 = ov.rend[y];
3768 3673
3769 text_t *t2 = ROW(y - view_start).t + ov_x; 3674 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3770 rend_t *r2 = ROW(y - view_start).r + ov_x; 3675 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3771 3676
3772 for (int x = ov_w; x--; ) 3677 for (int x = ov.w; x--; )
3773 { 3678 {
3774 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3679 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3775 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3680 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3776 } 3681 }
3777 } 3682 }

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