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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.139 by root, Sun Nov 21 18:51:13 2004 UTC vs.
Revision 1.468 by root, Mon Aug 8 09:47:56 2022 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 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
24 * This file handles _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
25 */ 26 */
26 27
27#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
28#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
29 30#include "rxvtperl.h" /* NECESSARY */
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31 31
32#include <inttypes.h> 32#include <inttypes.h>
33#include <wchar.h>
34 33
35#include "salloc.C" // HACK, should be a seperate compile! 34static inline void
36
37inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
38{ 36{
39 while (len--) 37 while (len--)
40 *start++ = value; 38 *start++ = value;
41} 39}
42 40
43/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
46 43
47/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 47#define ZERO_SCROLLBACK() \
51 if (options & Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
52 TermWin.view_start = 0 49 view_start = 0
53#define CLEAR_SELECTION() \ 50#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 51 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 53#define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \ 54 selection.beg.row = selection.beg.col \
… …
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col) 81 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) \ 82#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) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 84
88/* 85/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 87 */
93#define drawBuffer TermWin.vt
94
95#define CLEAR_ROWS(row, num) \
96 if (TermWin.mapped) \
97 XClearArea (display->display, drawBuffer, 0, \
98 Row2Pixel (row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel (num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 89 if (mapped) \
103 XClearArea (display->display, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel (num), \ 91 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel (1), False) 92 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
109 0, Row2Pixel (row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel (num))
112 93
113/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
116 97
117/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
118void 99void
119rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
120{ 101{
121 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
122 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
123 116
124 while (width--) 117 while (width--)
125 { 118 {
126 *et++ = ' '; 119 *et++ = ' ';
127 *er++ = efs; 120 *er++ = efs;
… …
129} 122}
130 123
131/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
132/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
133void 126void
134rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
135{ 128{
136#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
137 assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
138#endif
139 if (tp[row] == NULL)
140 {
141 tp[row] = (text_t *)talloc->alloc ();
142 rp[row] = (rend_t *)ralloc->alloc ();
143 }
144 130
145 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
146} 164}
147 165
148/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
149 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
150 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
151void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
152rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
153{ 216{
154 unsigned int ncol, nrow, total_rows, prev_total_rows;
155 unsigned int p, q;
156 int k;
157 rend_t setrstyle;
158
159#if ENABLE_OVERLAY 217#if ENABLE_OVERLAY
160 scr_overlay_off (); 218 scr_overlay_off ();
161#endif 219#endif
162 220
163 TermWin.view_start = 0; 221 view_start = 0;
164 num_scr = 0; 222 num_scr = 0;
165 223
166 if (TermWin.ncol == 0) 224 if (ncol == 0)
167 TermWin.ncol = 80; 225 ncol = 80;
168 226
169 if (TermWin.nrow == 0) 227 if (nrow == 0)
170 TermWin.nrow = 24; 228 nrow = 24;
171
172 ncol = TermWin.ncol;
173 nrow = TermWin.nrow;
174 229
175 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
176 return; 231 return;
177 232
178 // we need at least two lines for wrapping to work correctly 233 // we need at least two lines for wrapping to work correctly
179 if (nrow + TermWin.saveLines < 2) 234 while (nrow + saveLines < 2)
180 { 235 {
236 //TODO//FIXME
181 TermWin.saveLines++; 237 saveLines++;
182 prev_nrow--; 238 prev_nrow--;
183 TermWin.nscrolled++; 239 top_row--;
184 } 240 }
185 241
186 want_refresh = 1; 242 want_refresh = 1;
187 243
188 prev_total_rows = prev_nrow + TermWin.saveLines; 244 int prev_total_rows = prev_nrow + saveLines;
189 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
190 246
191 screen.tscroll = 0; 247 screen.tscroll = 0;
192 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
193 249
194 if (!talloc) 250 void *prev_chunk = chunk;
195 { 251 size_t prev_chunk_size = chunk_size;
196 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
197 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
198 } 259 {
199 260 top_row = 0;
200 if (!screen.text) 261 term_start = 0;
201 {
202 /*
203 * first time called so just malloc everything: don't rely on realloc
204 * Note: this is still needed so that all the scrollback lines are NULL
205 */
206 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
207 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
208 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
209 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
210
211 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
212 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
213
214 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
215 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
216 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
217 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
218
219 for (p = 0; p < nrow; p++)
220 {
221 q = p + TermWin.saveLines;
222 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
223 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
224 screen.tlen[q] = swap.tlen[p] = 0;
225 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
226 }
227 262
228 memset (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
229 TermWin.nscrolled = 0; /* no saved lines */
230 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
231 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
232 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
233 screen.charset = 0; 267 screen.charset = 0;
234 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
246 selection.text = NULL; 280 selection.text = NULL;
247 selection.len = 0; 281 selection.len = 0;
248 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
249 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
250 selection.clicks = 0; 284 selection.clicks = 0;
251 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
252 rvideo = 0; 286 selection.clip_len = 0;
253 } 287 }
254 else 288 else
255 { 289 {
256 /* 290 /*
257 * add or delete rows as appropriate 291 * add or delete rows as appropriate
258 */ 292 */
259 setrstyle = DEFAULT_RSTYLE;
260 293
261 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
262 { 304 }
263 /* delete rows */
264 k = min (TermWin.nscrolled, prev_nrow - nrow);
265 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
266 305
267 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
268 { 321 {
269 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
270 326
271 if (screen.text[q]) 327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
272 { 328 {
273#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
274 assert (screen.rend[q]); 330
275#endif 331 plines++;
276 talloc->free (screen.text[q]); 332 llen += prev_ncol;
277 ralloc->free (screen.rend[q]);
278 } 333 }
279 334
280 if (swap.text[p]) 335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 // drop partial lines completely
338 if (q < qlines)
339 break;
340
341 q -= qlines;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
281 { 348 {
282#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
283 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
284#endif 351 qline->l = ncol;
285 talloc->free (swap.text[p]); 352 qline->is_longer (1);
286 ralloc->free (swap.rend[p]); 353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
287 } 385 }
288 386
289#ifdef DEBUG_STRICT 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
290 assert (drawn_text[p] && drawn_rend[p]); 388 qline->is_longer (0);
291#endif 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
292 talloc->free (drawn_text[p]);
293 ralloc->free (drawn_rend[p]);
294 } 390 }
391 while (p != pend && q > 0);
295 392
296 /* we have fewer rows so fix up cursor position */ 393 term_start = total_rows - nrow;
297 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 394 top_row = q - term_start;
298 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
299 395
300 scr_reset_realloc (); /* realloc _last_ */ 396 // make sure all terminal lines exist
301 } 397 while (top_row > 0)
302 else if (nrow > prev_nrow) 398 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
303 { 399 }
304 /* add rows */ 400 else
305 scr_reset_realloc (); /* realloc _first_ */ 401#endif
306 402 {
307 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 403 // wing, instead of wrap
308 404 do
309 k = min (TermWin.nscrolled, nrow - prev_nrow);
310
311 for (p = prev_total_rows; p < total_rows; p++)
312 { 405 {
313 screen.tlen[p] = 0; 406 p = MOD (p - 1, prev_total_rows);
314 screen.text[p] = NULL; 407 q--;
315 screen.rend[p] = NULL; 408
409 copy_line (row_buf [q], prev_row_buf [p]);
316 } 410 }
411 while (p != pend);
317 412
318 for (p = prev_total_rows; p < total_rows - k; p++) 413 screen.cur.row += nrow - prev_nrow;
319 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle); 414 term_start = total_rows - nrow;
320
321 for (p = prev_nrow; p < nrow; p++)
322 {
323 swap.tlen[p] = 0;
324 swap.text[p] = NULL;
325 swap.rend[p] = NULL;
326 drawn_text[p] = NULL;
327 drawn_rend[p] = NULL;
328 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
329 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
330 }
331
332 if (k > 0)
333 {
334 scr_scroll_text (0, (int)nrow - 1, -k, 1);
335 screen.cur.row += k;
336 screen.s_cur.row += k;
337 TermWin.nscrolled -= k;
338 }
339#ifdef DEBUG_STRICT
340 assert (screen.cur.row < TermWin.nrow);
341 assert (swap.cur.row < TermWin.nrow);
342#else /* drive with your eyes closed */
343
344 MIN_IT (screen.cur.row, nrow - 1);
345 MIN_IT (swap.cur.row, nrow - 1);
346#endif
347 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
348 }
349
350 /* resize columns */
351 if (ncol != prev_ncol)
352 { 415 }
353 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
354 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
355 416
356 for (p = 0; p < total_rows; p++) 417 clamp_it (screen.cur.row, 0, nrow - 1);
357 { 418 clamp_it (screen.cur.col, 0, ncol - 1);
358 if (screen.text[p]) 419 }
359 {
360 screen.text[p] = (text_t *)ta->alloc (screen.text[p], prev_ncol * sizeof (text_t));
361 screen.rend[p] = (rend_t *)ra->alloc (screen.rend[p], prev_ncol * sizeof (rend_t));
362 420
363 MIN_IT (screen.tlen[p], (int16_t)ncol); 421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
422 for (int row = nrow; row--; )
423 {
424 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
425 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
426 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
427 }
364 428
365 if (ncol > prev_ncol) 429 chunk_free (prev_chunk, prev_chunk_size);
366 scr_blank_line (&screen.text[p][prev_ncol],
367 &screen.rend[p][prev_ncol],
368 ncol - prev_ncol, setrstyle);
369 }
370 }
371 430
372 for (p = 0; p < nrow; p++)
373 {
374 drawn_text[p] = (text_t *)ta->alloc (drawn_text[p], prev_ncol * sizeof (text_t));
375 drawn_rend[p] = (rend_t *)ra->alloc (drawn_rend[p], prev_ncol * sizeof (rend_t));
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&drawn_text[p][prev_ncol],
379 &drawn_rend[p][prev_ncol],
380 ncol - prev_ncol, setrstyle);
381
382 if (swap.text[p])
383 {
384 swap.text[p] = (text_t *)ta->alloc (swap.text[p], prev_ncol * sizeof (text_t));
385 swap.rend[p] = (rend_t *)ra->alloc (swap.rend[p], prev_ncol * sizeof (rend_t));
386
387 MIN_IT (swap.tlen[p], (int16_t)ncol);
388
389 if (ncol > prev_ncol)
390 scr_blank_line (&swap.text[p][prev_ncol],
391 &swap.rend[p][prev_ncol],
392 ncol - prev_ncol, setrstyle);
393 }
394
395 }
396
397 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
398 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
399
400 delete talloc; talloc = ta;
401 delete ralloc; ralloc = ra;
402 }
403
404 if (tabs)
405 free (tabs); 431 free (tabs);
406 } 432 tabs = (char *)rxvt_malloc (ncol);
433
434 for (int col = ncol; col--; )
435 tabs [col] = col % TABSIZE == 0;
436
437 CLEAR_ALL_SELECTION ();
407 438
408 prev_nrow = nrow; 439 prev_nrow = nrow;
409 prev_ncol = ncol; 440 prev_ncol = ncol;
410 441
411 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
412
413 for (p = 0; p < ncol; p++)
414 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
415
416 tt_winch (); 442 tt_winch ();
417}
418 443
419void 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
420rxvt_term::scr_reset_realloc ()
421{
422 unsigned int total_rows, nrow;
423
424 nrow = TermWin.nrow;
425 total_rows = nrow + TermWin.saveLines;
426 /* *INDENT-OFF* */
427 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
428 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
429 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
430 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
431
432 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
433 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
434
435 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
436 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
437 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
438 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
439 /* *INDENT-ON* */
440} 445}
441 446
442/* ------------------------------------------------------------------------- */ 447void ecb_cold
443/*
444 * Free everything. That way malloc debugging can find leakage.
445 */
446void
447rxvt_term::scr_release () 448rxvt_term::scr_release () noexcept
448{ 449{
449 unsigned int total_rows; 450 chunk_free (chunk, chunk_size);
450 int i; 451 chunk = 0;
452 row_buf = 0;
451 453
452 total_rows = TermWin.nrow + TermWin.saveLines;
453
454 delete talloc; talloc = 0;
455 delete ralloc; ralloc = 0;
456
457 free (screen.text);
458 free (screen.tlen);
459 free (screen.rend);
460 free (drawn_text);
461 free (drawn_rend);
462 free (swap.text);
463 free (swap.tlen);
464 free (swap.rend);
465 free (buf_text);
466 free (buf_rend);
467 free (tabs); 454 free (tabs);
468
469 /* NULL these so if anything tries to use them, we'll know about it */
470 screen.text = drawn_text = swap.text = NULL;
471 screen.rend = drawn_rend = swap.rend = NULL;
472 screen.tlen = swap.tlen = NULL;
473 buf_text = NULL;
474 buf_rend = NULL;
475 tabs = NULL; 455 tabs = 0;
476} 456}
477 457
478/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
479/* 459/*
480 * Hard reset 460 * Hard/Soft reset
481 */ 461 */
482void 462void ecb_cold
483rxvt_term::scr_poweron () 463rxvt_term::scr_poweron ()
484{ 464{
485 scr_release (); 465 scr_release ();
466
486 prev_nrow = prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
468 rvideo_mode = false;
469 scr_soft_reset ();
487 scr_reset (); 470 scr_reset ();
488 471
489 scr_clear (true); 472 scr_clear (true);
490 scr_refresh (SLOW_REFRESH); 473 scr_refresh ();
474}
475
476void ecb_cold
477rxvt_term::scr_soft_reset () noexcept
478{
479 /* only affects modes, nothing drastic such as clearing the screen */
480#if ENABLE_OVERLAY
481 scr_overlay_off ();
482#endif
483
484 if (current_screen != PRIMARY)
485 scr_swap_screen ();
486
487 scr_scroll_region (0, MAX_ROWS - 1);
488 scr_rendition (0, ~RS_None);
489 scr_insert_mode (0);
491} 490}
492 491
493/* ------------------------------------------------------------------------- * 492/* ------------------------------------------------------------------------- *
494 * PROCESS SCREEN COMMANDS * 493 * PROCESS SCREEN COMMANDS *
495 * ------------------------------------------------------------------------- */ 494 * ------------------------------------------------------------------------- */
… …
497 * Save and Restore cursor 496 * Save and Restore cursor
498 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
499 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
500 */ 499 */
501void 500void
502rxvt_term::scr_cursor (int mode) 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
503{ 502{
504 screen_t *s; 503 screen_t *s;
505 504
506#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
507 if (current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
… …
531 set_font_style (); 530 set_font_style ();
532 break; 531 break;
533 } 532 }
534 533
535 /* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT (s->cur.row, TermWin.nrow - 1); 535 min_it (s->cur.row, nrow - 1);
537 MIN_IT (s->cur.col, TermWin.ncol - 1); 536 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert (s->cur.row >= 0); 537 assert (s->cur.row >= 0);
540 assert (s->cur.col >= 0); 538 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 539}
542 MAX_IT (s->cur.row, 0); 540
543 MAX_IT (s->cur.col, 0); 541void
544#endif 542rxvt_term::scr_swap_screen () noexcept
543{
544 if (!option (Opt_secondaryScreen))
545 return;
546
547 for (int i = prev_nrow; i--; )
548 ::swap (ROW(i), swap_buf [i]);
549
550 ::swap (screen.cur, swap.cur);
551
552 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
553 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 554}
546 555
547/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
548/* 557/*
549 * Swap between primary and secondary screens 558 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 559 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 560 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 561 */
553int 562void
554rxvt_term::scr_change_screen (int scrn) 563rxvt_term::scr_change_screen (int scrn)
555{ 564{
556 int i; 565 if (scrn == current_screen)
566 return;
567
568 want_refresh = 1;
569 view_start = 0;
570
571 /* check for boundary cross */
572 row_col_t pos;
573 pos.row = pos.col = 0;
574 if (ROWCOL_IS_BEFORE (selection.beg, pos)
575 && ROWCOL_IS_AFTER (selection.end, pos))
576 CLEAR_SELECTION ();
577
578 current_screen = scrn;
579
557#if NSCREENS 580#if NSCREENS
558 int offset;
559#endif
560
561 want_refresh = 1;
562
563 TermWin.view_start = 0;
564
565 if (current_screen == scrn)
566 return scrn;
567
568 selection_check (2); /* check for boundary cross */
569
570 SWAP_IT (current_screen, scrn, int);
571
572 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
573 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
574# ifdef DEBUG_STRICT
575 assert (screen.cur.row >= 0 && screen.cur.row < prev_nrow);
576 assert (screen.cur.col >= 0 && screen.cur.col < prev_ncol);
577# else /* drive with your eyes closed */
578 MAX_IT (screen.cur.row, 0);
579 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
580 MAX_IT (screen.cur.col, 0);
581 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
582# endif
583
584#if NSCREENS
585 if (options & Opt_secondaryScreen) 581 if (option (Opt_secondaryScreen))
586 { 582 {
587 num_scr = 0; 583 num_scr = 0;
588 offset = TermWin.saveLines;
589 584
590 for (i = prev_nrow; i--;) 585 scr_swap_screen ();
591 {
592 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *);
593 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t);
594 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
595 }
596 586
597 SWAP_IT (screen.charset, swap.charset, int16_t); 587 ::swap (screen.charset, swap.charset);
598 SWAP_IT (screen.flags, swap.flags, int); 588 ::swap (screen.flags, swap.flags);
599 screen.flags |= Screen_VisibleCursor; 589 screen.flags |= Screen_VisibleCursor;
600 swap.flags |= Screen_VisibleCursor; 590 swap.flags |= Screen_VisibleCursor;
601 } 591 }
602 else 592 else
603#endif 593#endif
604 if (options & Opt_secondaryScroll) 594 if (option (Opt_secondaryScroll))
605 //if (current_screen == PRIMARY)
606 scr_scroll_text (0, prev_nrow - 1, prev_nrow, 0); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
607
608 return scrn;
609} 596}
610 597
611// clear WrapNext indicator, solidifying position on next line 598// clear WrapNext indicator, solidifying position on next line
612void 599void
613rxvt_term::scr_do_wrap () 600rxvt_term::scr_do_wrap () noexcept
614{ 601{
615 if (!(screen.flags & Screen_WrapNext)) 602 if (!(screen.flags & Screen_WrapNext))
616 return; 603 return;
617 604
618 screen.flags &= ~Screen_WrapNext; 605 screen.flags &= ~Screen_WrapNext;
619 606
620 screen.cur.col = 0; 607 screen.cur.col = 0;
621 608
622 if (screen.cur.row == screen.bscroll) 609 if (screen.cur.row == screen.bscroll)
623 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 610 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
624 else if (screen.cur.row < TermWin.nrow - 1) 611 else if (screen.cur.row < nrow - 1)
625 screen.cur.row++; 612 screen.cur.row++;
626} 613}
627 614
628/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
629/* 616/*
630 * Change the colour for following text 617 * Change the colour for following text
631 */ 618 */
632void 619void
633rxvt_term::scr_color (unsigned int color, int fgbg) 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
634{ 621{
635 if (color > maxTermCOLOR) 622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
636 color = fgbg; 623 color = fgbg;
637 624
638 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
639 rstyle = SET_FGCOLOR (rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
640 else 627 else
… …
644/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
645/* 632/*
646 * Change the rendition style for following text 633 * Change the rendition style for following text
647 */ 634 */
648void 635void
649rxvt_term::scr_rendition (int set, int style) 636rxvt_term::scr_rendition (int set, int style) noexcept
650 { 637{
651 if (set) 638 if (set)
652 rstyle |= style; 639 rstyle |= style;
653 else if (style == ~RS_None) 640 else if (style == ~RS_None)
654 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
655 else 642 else
656 rstyle &= ~style; 643 rstyle &= ~style;
657 } 644}
658 645
659/* ------------------------------------------------------------------------- */ 646/* ------------------------------------------------------------------------- */
660/* 647/*
661 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
662 * count positive ==> scroll up 649 * count positive ==> scroll up
663 * count negative ==> scroll down 650 * count negative ==> scroll down
664 * spec == 0 for normal routines
665 */ 651 */
666int 652int ecb_hot
667rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
668{ 654{
669 int i, j;
670 long nscrolled;
671
672 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
673 return 0; 656 return 0;
674 657
675 want_refresh = 1; 658 want_refresh = 1;
659 num_scr += count;
676 660
677 if (row1 == 0 && count > 0 661 if (count > 0
662 && row1 == 0
678 && (current_screen == PRIMARY || options & Opt_secondaryScroll)) 663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
667 top_row = max (top_row - count, -saveLines);
668
669 // sever bottommost line
679 { 670 {
680 nscrolled = (long)TermWin.nscrolled + (long)count; 671 line_t &l = ROW(row2);
681 672 l.is_longer (0);
682 if (nscrolled > (long)TermWin.saveLines) 673 l.touch ();
683 TermWin.nscrolled = TermWin.saveLines;
684 else
685 TermWin.nscrolled = (unsigned int)nscrolled;
686
687 if ((options & Opt_scrollWithBuffer)
688 && TermWin.view_start != 0
689 && TermWin.view_start != TermWin.saveLines)
690 scr_page (UP, count);
691 } 674 }
692 else if (!spec)
693 row1 += TermWin.saveLines;
694 675
695 row2 += TermWin.saveLines; 676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
696 678
679 // now copy lines below the scroll region bottom to the
680 // bottom of the screen again, so they look as if they
681 // hadn't moved.
682 for (int i = nrow; --i > row2; )
683 {
684 line_t &l1 = ROW(i - count);
685 line_t &l2 = ROW(i);
686
687 ::swap (l1, l2);
688 l2.touch ();
689 }
690
691 // erase newly scrolled-in lines
692 for (int i = count; i--; )
693 {
694 line_t &l = ROW(row2 - i);
695
696 // optimise if already cleared, can be significant on slow machines
697 // could be rolled into scr_blank_screen_mem
698 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
699 {
700 scr_blank_line (l, 0, l.l, rstyle);
701 l.l = 0;
702 l.f = 0;
703 }
704 else
705 scr_blank_screen_mem (l, rstyle);
706 }
707
708 // move and/or clear selection, if any
697 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
698 { 710 && selection.beg.row <= row2)
699 i = selection.beg.row + TermWin.saveLines;
700 j = selection.end.row + TermWin.saveLines;
701 if ((i < row1 && j > row1)
702 || (i < row2 && j > row2)
703 || (i - count < row1 && i >= row1)
704 || (i - count > row2 && i <= row2)
705 || (j - count < row1 && j >= row1)
706 || (j - count > row2 && j <= row2))
707 {
708 CLEAR_ALL_SELECTION ();
709 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
710 } 711 {
711 else if (j >= row1 && j <= row2)
712 {
713 /* move selected region too */
714 selection.beg.row -= count; 712 selection.beg.row -= count;
715 selection.end.row -= count; 713 selection.end.row -= count;
716 selection.mark.row -= count; 714 selection.mark.row -= count;
717 }
718 }
719 715
720 selection_check (0); /* _after_ TermWin.nscrolled update */ 716 selection_check (0);
721
722 num_scr += count;
723 j = count;
724
725 if (count < 0)
726 count = -count;
727
728 i = row2 - row1 + 1;
729 MIN_IT (count, i);
730
731 if (j > 0)
732 {
733 /* A: scroll up */
734
735 /* A1: Copy lines that will get clobbered by the rotation */
736 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
737 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
738
739 /* A2: Rotate lines */
740 i = row2 - row1 - count + 1;
741 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
742 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
743 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
744
745 j = row2 - count + 1, i = count;
746 }
747 else /* if (j < 0) */
748 {
749 /* B: scroll down */
750
751 /* B1: Copy lines that will get clobbered by the rotation */
752 for (i = 0, j = row2; i < count; i++, j--)
753 { 717 }
754 buf_text[i] = screen.text[j]; 718
755 buf_rend[i] = screen.rend[j]; 719 // finally move the view window, if desired
720 if (option (Opt_scrollWithBuffer)
721 && view_start != 0
722 && view_start != -saveLines)
723 scr_page (count);
724
725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
726 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
727 }
728 else
729 {
730 if (selection.op && current_screen == selection.screen)
756 } 731 {
732 if ((selection.beg.row < row1 && selection.end.row > row1)
733 || (selection.beg.row < row2 && selection.end.row > row2)
734 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
735 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
736 || (selection.end.row - count < row1 && selection.end.row >= row1)
737 || (selection.end.row - count > row2 && selection.end.row <= row2))
738 {
739 CLEAR_ALL_SELECTION ();
740 selection.op = SELECTION_CLEAR;
741 }
742 else if (selection.end.row >= row1 && selection.end.row <= row2)
743 {
744 /* move selected region too */
745 selection.beg.row -= count;
746 selection.end.row -= count;
747 selection.mark.row -= count;
757 748
758 /* B2: Rotate lines */ 749 selection_check (0);
759 for (j = row2, i = j - count; i >= row1; i--, j--) 750 }
760 { 751 }
761 screen.tlen[j] = screen.tlen[i]; 752
762 screen.text[j] = screen.text[i]; 753 // use a simple and robust scrolling algorithm, this
763 screen.rend[j] = screen.rend[i]; 754 // part of scr_scroll_text is not time-critical.
755
756 // sever line above scroll region
757 if (row1)
764 } 758 {
759 line_t &l = ROW(row1 - 1);
760 l.is_longer (0);
761 l.touch ();
762 }
765 763
766 j = row1, i = count; 764 int rows = row2 - row1 + 1;
767 count = -count; 765
766 min_it (count, rows);
767
768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
769
770 for (int row = 0; row < rows; row++)
771 {
772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
773
774 if (!IN_RANGE_EXC (row + count, 0, rows))
775 scr_blank_screen_mem (temp_buf [row], rstyle);
776 }
777
778 for (int row = 0; row < rows; row++)
779 ROW(row1 + row) = temp_buf [row];
780
781 // sever bottommost line
782 {
783 line_t &l = ROW(row2);
784 l.is_longer (0);
785 l.touch ();
768 } 786 }
769 787 }
770 /* C: Resurrect lines */
771 memset (screen.tlen + j, 0, i * sizeof (int16_t));
772 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
773 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
774 if (!spec) /* line length may not equal TermWin.ncol */
775 for (; i--; j++)
776 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle);
777 788
778 return count; 789 return count;
779} 790}
780 791
781/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
782/* 793/*
783 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
784 */ 795 */
785void 796void ecb_hot
786rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len) 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
787{ 798{
788 unsigned char checksel;
789 unicode_t c;
790 int i, row, last_col;
791 text_t *stp;
792 rend_t *srp;
793
794 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
795 return; 800 return;
796 801
802 bool checksel;
803 unicode_t c;
804 int ncol = this->ncol;
805 const wchar_t *strend = str + len;
806
797 want_refresh = 1; 807 want_refresh = 1;
798 ZERO_SCROLLBACK (); 808 ZERO_SCROLLBACK ();
799 last_col = TermWin.ncol;
800 809
801 if (nlines > 0) 810 if (minlines > 0)
802 { 811 {
803 nlines += screen.cur.row - screen.bscroll; 812 minlines += screen.cur.row - screen.bscroll;
813 min_it (minlines, screen.cur.row - top_row);
814
804 if ((nlines > 0) 815 if (minlines > 0
805 && (screen.tscroll == 0) 816 && screen.tscroll == 0
806 && (screen.bscroll == (TermWin.nrow - 1))) 817 && screen.bscroll == nrow - 1)
807 { 818 {
808 /* _at least_ this many lines need to be scrolled */ 819 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 821 screen.cur.row -= minlines;
811 } 822 }
812 } 823 }
813 824
814#ifdef DEBUG_STRICT
815 assert (screen.cur.col < last_col); 825 assert (screen.cur.col < ncol);
816 assert ((screen.cur.row < TermWin.nrow) 826 assert (screen.cur.row < nrow
817 && (screen.cur.row >= - (int32_t)TermWin.nscrolled)); 827 && screen.cur.row >= top_row);
818#else /* drive with your eyes closed */ 828 int row = screen.cur.row;
819 MIN_IT (screen.cur.col, last_col - 1);
820 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
821 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
822#endif
823 row = screen.cur.row + TermWin.saveLines;
824 829
825 checksel = selection.op && current_screen == selection.screen ? 1 : 0; 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
826 831
827 stp = screen.text[row]; 832 line_t *line = &ROW(row);
828 srp = screen.rend[row];
829 833
830 while (len--) 834 while (str < strend)
831 { 835 {
832 c = *str++; 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
833 837
834 if (c < 0x20) 838 if (ecb_unlikely (c < 0x20))
835 switch (c) 839 if (c == C0_LF)
836 { 840 {
837 case C0_HT: 841 max_it (line->l, screen.cur.col);
838 scr_tab (1, true);
839 continue;
840 842
841 case C0_LF:
842 if (screen.tlen[row] != -1) /* XXX: think about this */
843 MAX_IT (screen.tlen[row], screen.cur.col);
844
845 screen.flags &= ~Screen_WrapNext; 843 screen.flags &= ~Screen_WrapNext;
846 844
847 if (screen.cur.row == screen.bscroll) 845 if (screen.cur.row == screen.bscroll)
848 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0); 846 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
849 else if (screen.cur.row < (TermWin.nrow - 1)) 847 else if (screen.cur.row < (nrow - 1))
850 row = (++screen.cur.row) + TermWin.saveLines; 848 row = ++screen.cur.row;
851 849
852 stp = screen.text[row]; /* _must_ refresh */ 850 line = &ROW(row); /* _must_ refresh */
853 srp = screen.rend[row]; /* _must_ refresh */
854 continue; 851 continue;
855
856 case C0_CR:
857 if (screen.tlen[row] != -1) /* XXX: think about this */
858 MAX_IT (screen.tlen[row], screen.cur.col);
859
860 screen.flags &= ~Screen_WrapNext;
861 screen.cur.col = 0;
862 continue;
863 } 852 }
853 else if (c == C0_CR)
854 {
855 max_it (line->l, screen.cur.col);
864 856
857 screen.flags &= ~Screen_WrapNext;
858 screen.cur.col = 0;
859 continue;
860 }
861 else if (c == C0_HT)
862 {
863 scr_tab (1, true);
864 continue;
865 }
866
867 if (ecb_unlikely (
865 if (checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
866 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
867 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
871 ))
868 { 872 {
869 checksel = 0; 873 checksel = 0;
870 /* 874 /*
871 * If we wrote anywhere in the selected area, kill the selection 875 * If we wrote anywhere in the selected area, kill the selection
872 * XXX: should we kill the mark too? Possibly, but maybe that 876 * XXX: should we kill the mark too? Possibly, but maybe that
873 * should be a similar check. 877 * should be a similar check.
874 */ 878 */
875 CLEAR_SELECTION (); 879 CLEAR_SELECTION ();
876 } 880 }
877 881
878 if (screen.flags & Screen_WrapNext) 882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
879 {
880 screen.tlen[row] = -1;
881
882 scr_do_wrap (); row = screen.cur.row + TermWin.saveLines;
883
884 stp = screen.text[row]; /* _must_ refresh */
885 srp = screen.rend[row]; /* _must_ refresh */
886 } 883 {
884 scr_do_wrap ();
887 885
888 if (screen.flags & Screen_Insert) 886 line->l = ncol;
889 scr_insdel_chars (1, INSERT); 887 line->is_longer (1);
890 888
889 row = screen.cur.row;
890 line = &ROW(row); /* _must_ refresh */
891 }
892
893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
895 c = 0xfffd;
896
891 // rely on wcwidth to tell us the character width, at least for non-latin1 897 // rely on wcwidth to tell us the character width, do wcwidth before
892 // do wcwidth before further replacements, as wcwidth says that line-drawing 898 // further replacements, as wcwidth might return -1 for the line
893 // characters have width -1 (DOH!) on GNU/Linux sometimes. 899 // drawing characters below as they might be invalid in the current
894 int width = c < 0x100 ? 1 : wcwidth (c); 900 // locale.
901 int width = WCWIDTH (c);
895 902
896 if (charsets[screen.charset] == '0') // DEC SPECIAL 903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
897 { 904 {
898 // vt100 special graphics and line drawing 905 // vt100 special graphics and line drawing
899 // 5f-7e standard vt100 906 // 5f-7e standard vt100
900 // 40-5e rxvt extension for extra curses acs chars 907 // 40-5e rxvt extension for extra curses acs chars
901 static uint16_t vt100_0[63] = { // 5f .. 7e 908 static uint16_t vt100_0[62] = { // 41 .. 7e
902 0x0000, 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 40-47 hi mr. snowman! 909 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
903 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 48-4f 910 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
904 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 50-57 911 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
905 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, // 58-5f 912 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
906 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67 913 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
907 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f 914 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
908 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77 915 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
909 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e 916 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
910 }; 917 };
911 918
912 if (c >= 0x40 && c <= 0x7e && vt100_0[c - 0x40]) 919 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
913 { 920 {
914 c = vt100_0[c - 0x40]; 921 c = vt100_0[c - 0x41];
915 width = 1; 922 width = 1; // vt100 line drawing characters are always single-width
916 } 923 }
917 } 924 }
918 925
926 if (ecb_unlikely (screen.flags & Screen_Insert))
927 scr_insdel_chars (width, INSERT);
928
919 if (width != 0) 929 if (width != 0)
920 { 930 {
921 // some utf-8 decoders decode surrogate characters.
922 if (0xd800 <= c && c <= 0xdfff)
923 c = 0xfffd;
924
925#if !UNICODE_3 931#if !UNICODE_3
926 // trim characters we can't store directly :( 932 // trim characters we can't store directly :(
927 if (c >= 0x10000) 933 if (c >= 0x10000)
928# if ENABLE_COMBINING 934# if ENABLE_COMBINING
929 c = rxvt_composite.compose (c); // map to lower 16 bits 935 c = rxvt_composite.compose (c); // map to lower 16 bits
930# else 936# else
931 c = 0xfffd; 937 c = 0xfffd;
932# endif 938# endif
933#endif 939#endif
934 940
941 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
942
943 // if the character doesn't fit into the remaining columns...
944 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
945 {
946 if (screen.flags & Screen_Autowrap)
947 {
948 // ... artificially enlargen the previous one
949 c = NOCHAR;
950 // and try the same character next loop iteration
951 --str;
952 }
953 else
954 screen.cur.col = ncol - width;
955 }
956
935 // nuke the character at this position, if required 957 // nuke the character at this position, if required
958 // due to wonderful coincidences everywhere else in this loop
959 // we never have to check for overwriting a wide char itself,
960 // only its tail.
936 if (stp[screen.cur.col] == NOCHAR 961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
937 || (screen.cur.col < TermWin.ncol - 1 962 scr_kill_char (*line, screen.cur.col);
938 && stp[screen.cur.col + 1] == NOCHAR))
939 {
940 int col = screen.cur.col;
941 963
942 // find begin 964 line->touch ();
943 while (col > 0 && stp[col] == NOCHAR)
944 col--;
945
946 rend_t rend = SET_FONT (srp[col], FONTSET (srp[col])->find_font (' '));
947
948 // found begin, nuke
949 do {
950 stp[col] = ' ';
951 srp[col] = rend;
952 col++;
953 } while (col < TermWin.ncol && stp[col] == NOCHAR);
954 }
955
956 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
957 965
958 do 966 do
959 { 967 {
960 stp[screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
961 srp[screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
962 970
963 if (screen.cur.col < last_col - 1) 971 if (ecb_likely (screen.cur.col < ncol - 1))
964 screen.cur.col++; 972 screen.cur.col++;
965 else 973 else
966 { 974 {
967 screen.tlen[row] = last_col; 975 line->l = ncol;
968 if (screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
969 screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
970 break; 978
979 goto end_of_line;
971 } 980 }
972 981
973 c = NOCHAR; 982 c = NOCHAR;
974 } 983 }
975 while (--width > 0); 984 while (ecb_unlikely (--width > 0));
976 985
977 // pad with spaces when overwriting wide character with smaller one 986 // pad with spaces when overwriting wide character with smaller one
978 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++) 987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
979 { 988 {
980 stp[c] = ' '; 989 line->t[c] = ' ';
981 srp[c] = rend; 990 line->r[c] = rend;
982 } 991 }
992
993end_of_line:
983 } 994 ;
984 else if (width == 0)
985 { 995 }
986#if ENABLE_COMBINING 996#if ENABLE_COMBINING
987 // handle combining characters 997 else // width == 0
988 // we just tag the accent on the previous on-screen character. 998 {
989 // this is arguably not correct, but also arguably not wrong. 999 if (c != 0xfeff) // ignore BOM
990 // we don't handle double-width characters nicely yet.
991
992 text_t *tp;
993 rend_t *rp;
994
995 if (screen.cur.col > 0)
996 { 1000 {
1001 // handle combining characters
1002 // we just tag the accent on the previous on-screen character.
1003 // this is arguably not correct, but also arguably not wrong.
1004 // we don't handle double-width characters nicely yet.
1005 line_t *linep;
1006 text_t *tp;
1007 rend_t *rp;
1008
1009 if (screen.cur.col > 0)
1010 {
1011 linep = line;
997 tp = stp + screen.cur.col - 1; 1012 tp = line->t + screen.cur.col - 1;
998 rp = srp + screen.cur.col - 1; 1013 rp = line->r + screen.cur.col - 1;
1014 }
1015 else if (screen.cur.row > 0
1016 && ROW(screen.cur.row - 1).is_longer ())
1017 {
1018 linep = &ROW(screen.cur.row - 1);
1019 tp = linep->t + ncol - 1;
1020 rp = linep->r + ncol - 1;
1021 }
1022 else
1023 continue;
999 1024
1025 linep->touch ();
1026
1000 while (*tp == NOCHAR && tp > stp) 1027 while (*tp == NOCHAR && tp > linep->t)
1001 tp--, rp--; 1028 tp--, rp--;
1029
1030 // first try to find a precomposed character
1031 unicode_t n = rxvt_compose (*tp, c);
1032 if (n == NOCHAR)
1033 n = rxvt_composite.compose (*tp, c);
1034
1035 *tp = n;
1036 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1002 } 1037 }
1003 else if (screen.cur.row > 0
1004 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
1005 {
1006 int line = screen.cur.row - 1 + TermWin.saveLines;
1007
1008 tp = screen.text[line] + last_col - 1;
1009 rp = screen.rend[line] + last_col - 1;
1010
1011 while (*tp == NOCHAR && tp > screen.text[line])
1012 tp--, rp--;
1013 } 1038 }
1014 else
1015 continue;
1016
1017 // first try to find a precomposed character
1018 unicode_t n = rxvt_compose (*tp, c);
1019 if (n == NOCHAR)
1020 n = rxvt_composite.compose (*tp, c);
1021
1022 *tp = n;
1023 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1024#endif 1039#endif
1025 }
1026 } 1040 }
1027 1041
1028 if (screen.tlen[row] != -1) /* XXX: think about this */ 1042 max_it (line->l, screen.cur.col);
1029 MAX_IT (screen.tlen[row], screen.cur.col);
1030 1043
1031#ifdef DEBUG_STRICT
1032 assert (screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
1033#else /* drive with your eyes closed */
1034 MAX_IT (screen.cur.row, 0);
1035#endif
1036} 1045}
1037 1046
1038/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
1039/* 1048/*
1040 * Process Backspace. Move back the cursor back a position, wrap if have to 1049 * Process Backspace. Move back the cursor back a position, wrap if have to
1041 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
1042 */ 1051 */
1043void 1052void
1044rxvt_term::scr_backspace () 1053rxvt_term::scr_backspace () noexcept
1045{ 1054{
1046 want_refresh = 1;
1047
1048 if (screen.cur.col == 0) 1055 if (screen.cur.col == 0)
1049 { 1056 {
1050 if (screen.cur.row > 0) 1057 if (screen.cur.row > 0)
1051 { 1058 {
1052#ifdef TERMCAP_HAS_BW 1059#ifdef TERMCAP_HAS_BW
1053 screen.cur.col = TermWin.ncol - 1; 1060 screen.cur.col = ncol - 1;
1054 screen.cur.row--; 1061 --screen.cur.row;
1055 return; 1062
1063 want_refresh = 1;
1056#endif 1064#endif
1057 } 1065 }
1058 } 1066 }
1059 else if (!(screen.flags & Screen_WrapNext)) 1067 else if (screen.flags & Screen_WrapNext)
1068 screen.flags &= ~Screen_WrapNext;
1069 else
1060 scr_gotorc (0, -1, RELATIVE); 1070 scr_gotorc (0, -1, RELATIVE);
1061
1062 screen.flags &= ~Screen_WrapNext;
1063} 1071}
1064 1072
1065/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
1066/* 1074/*
1067 * Process Horizontal Tab 1075 * Process Horizontal Tab
1068 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
1069 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
1070 */ 1078 */
1071void 1079void
1072rxvt_term::scr_tab (int count, bool ht) 1080rxvt_term::scr_tab (int count, bool ht) noexcept
1073{ 1081{
1074 int i, x; 1082 int i, x;
1075 1083
1076 want_refresh = 1; 1084 want_refresh = 1;
1077 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
1078 1086
1079 if (count == 0) 1087 if (count == 0)
1080 return; 1088 return;
1081 else if (count > 0) 1089 else if (count > 0)
1082 { 1090 {
1083 int row = TermWin.saveLines + screen.cur.row; 1091 line_t &l = ROW(screen.cur.row);
1084 text_t *tp = screen.text[row];
1085 rend_t *rp = screen.rend[row];
1086 rend_t base_rend = rp[i]; 1092 rend_t base_rend = l.r[i];
1087 ht &= tp[i] == ' '; 1093 ht &= l.t[i] == ' ';
1088 1094
1089 for (; ++i < TermWin.ncol; ) 1095 for (; ++i < ncol; )
1090 if (tabs[i]) 1096 if (tabs[i])
1091 { 1097 {
1092 x = i; 1098 x = i;
1099
1093 if (!--count) 1100 if (!--count)
1094 break; 1101 break;
1095 } 1102 }
1096 else 1103 else
1097 ht &= tp[i] == ' ' 1104 ht &= l.t[i] == ' '
1098 && RS_SAME (rp[i], base_rend); 1105 && RS_SAME (l.r[i], base_rend);
1099 1106
1100 if (count) 1107 if (count)
1101 x = TermWin.ncol - 1; 1108 x = ncol - 1;
1102 1109
1103 // store horizontal tab commands as characters inside the text 1110 // store horizontal tab commands as characters inside the text
1104 // buffer so they can be selected and pasted. 1111 // buffer so they can be selected and pasted.
1105 if (ht) 1112 if (ht && option (Opt_pastableTabs))
1106 { 1113 {
1107 base_rend = SET_FONT (base_rend, 0); 1114 base_rend = SET_FONT (base_rend, 0);
1108 1115
1109 if (screen.tlen[row] != -1) /* XXX: think about this */ 1116 l.touch (x);
1110 MAX_IT (screen.tlen[row], x);
1111 1117
1112 i = screen.cur.col; 1118 i = screen.cur.col;
1113 1119
1114 tp[i] = '\t'; 1120 l.t[i] = '\t';
1115 rp[i] = base_rend; 1121 l.r[i] = base_rend;
1116 1122
1117 while (++i < x) 1123 while (++i < x)
1118 { 1124 {
1119 tp[i] = NOCHAR; 1125 l.t[i] = NOCHAR;
1120 rp[i] = base_rend; 1126 l.r[i] = base_rend;
1121 } 1127 }
1122 } 1128 }
1123 } 1129 }
1124 else /* if (count < 0) */ 1130 else /* if (count < 0) */
1125 { 1131 {
… …
1144 * Process DEC Back Index 1150 * Process DEC Back Index
1145 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1146 * Move cursor left in row. If we're at the left boundary, shift everything 1152 * Move cursor left in row. If we're at the left boundary, shift everything
1147 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1148 */ 1154 */
1149#if ENABLE_FRILLS 1155#if !ENABLE_MINIMAL
1150void 1156void ecb_cold
1151rxvt_term::scr_backindex () 1157rxvt_term::scr_backindex () noexcept
1152{ 1158{
1153 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1154 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1155 else 1161 else
1156 {
1157 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1158 return; /* um, yeah? */
1159
1160 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1161 }
1162} 1163}
1163#endif 1164#endif
1164/* ------------------------------------------------------------------------- */ 1165/* ------------------------------------------------------------------------- */
1165/* 1166/*
1166 * Process DEC Forward Index 1167 * Process DEC Forward Index
1167 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1168 * Move cursor right in row. If we're at the right boundary, shift everything 1169 * Move cursor right in row. If we're at the right boundary, shift everything
1169 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1170 */ 1171 */
1171#if ENABLE_FRILLS 1172#if !ENABLE_MINIMAL
1172void 1173void ecb_cold
1173rxvt_term::scr_forwardindex () 1174rxvt_term::scr_forwardindex () noexcept
1174{ 1175{
1175 int row;
1176
1177 if (screen.cur.col < TermWin.ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1178 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1179 else 1178 else
1180 { 1179 {
1181 row = screen.cur.row + TermWin.saveLines; 1180 line_t &l = ROW(screen.cur.row);
1182 1181
1183 if (screen.tlen[row] == 0) 1182 l.touch ();
1184 return; /* um, yeah? */ 1183 l.is_longer (0);
1185 else if (screen.tlen[row] == -1)
1186 screen.tlen[row] = TermWin.ncol;
1187 1184
1188 scr_gotorc (0, 0, R_RELATIVE); 1185 scr_gotorc (0, 0, R_RELATIVE);
1189 scr_insdel_chars (1, DELETE); 1186 scr_insdel_chars (1, DELETE);
1190 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1187 scr_gotorc (0, ncol - 1, R_RELATIVE);
1191 } 1188 }
1192} 1189}
1193#endif 1190#endif
1194 1191
1195/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1196/* 1193/*
1197 * Goto Row/Column 1194 * Goto Row/Column
1198 */ 1195 */
1199void 1196void
1200rxvt_term::scr_gotorc (int row, int col, int relative) 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1201{ 1198{
1202 want_refresh = 1; 1199 want_refresh = 1;
1203 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
1204 1201
1205 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1206 MAX_IT (screen.cur.col, 0); 1203 clamp_it (screen.cur.col, 0, ncol - 1);
1207 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1208 1204
1209 screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1210 1206
1211 if (relative & R_RELATIVE) 1207 if (relative & R_RELATIVE)
1212 { 1208 {
… …
1228 } 1224 }
1229 } 1225 }
1230 else 1226 else
1231 { 1227 {
1232 if (screen.flags & Screen_Relative) 1228 if (screen.flags & Screen_Relative)
1229 {
1233 { /* relative origin mode */ 1230 /* relative origin mode */
1234 screen.cur.row = row + screen.tscroll; 1231 screen.cur.row = row + screen.tscroll;
1235 MIN_IT (screen.cur.row, screen.bscroll); 1232 min_it (screen.cur.row, screen.bscroll);
1236 } 1233 }
1237 else 1234 else
1238 screen.cur.row = row; 1235 screen.cur.row = row;
1239 } 1236 }
1240 1237
1241 MAX_IT (screen.cur.row, 0); 1238 clamp_it (screen.cur.row, 0, nrow - 1);
1242 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1243} 1239}
1244 1240
1245/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1246/* 1242/*
1247 * direction should be UP or DN 1243 * direction should be UP or DN
1248 */ 1244 */
1249void 1245void
1250rxvt_term::scr_index (enum page_dirn direction) 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1251{ 1247{
1252 int dirn;
1253
1254 want_refresh = 1; 1248 want_refresh = 1;
1255 ZERO_SCROLLBACK (); 1249 ZERO_SCROLLBACK ();
1256 1250
1257 dirn = ((direction == UP) ? 1 : -1);
1258
1259 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1260 1252
1261 if ((screen.cur.row == screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1262 || (screen.cur.row == screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1263 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1264 else 1256 else
1265 screen.cur.row += dirn; 1257 screen.cur.row += direction;
1266 1258
1267 MAX_IT (screen.cur.row, 0); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1268 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1269 selection_check (0); 1260 selection_check (0);
1270} 1261}
1271 1262
1272/* ------------------------------------------------------------------------- */ 1263/* ------------------------------------------------------------------------- */
1273/* 1264/*
1274 * Erase part or whole of a line 1265 * Erase part or whole of a line
1275 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1266 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1276 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1277 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1269 * extension: clear to right unless wrapped: ESC [ 3 K
1278 */ 1270 */
1279void 1271void
1280rxvt_term::scr_erase_line (int mode) 1272rxvt_term::scr_erase_line (int mode) noexcept
1281{ 1273{
1282 unsigned int row, col, num; 1274 unsigned int col, num;
1283 1275
1284 want_refresh = 1; 1276 want_refresh = 1;
1285 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
1286 1278
1287 selection_check (1); 1279 selection_check (1);
1288 1280
1289 row = TermWin.saveLines + screen.cur.row; 1281 line_t &line = ROW(screen.cur.row);
1282
1283 line.touch ();
1284 line.is_longer (0);
1285
1290 switch (mode) 1286 switch (mode)
1291 { 1287 {
1288 case 3:
1289 if (screen.flags & Screen_WrapNext)
1290 return;
1291
1292 /* fall through */
1293
1292 case 0: /* erase to end of line */ 1294 case 0: /* erase to end of line */
1293 col = screen.cur.col; 1295 col = screen.cur.col;
1294 num = TermWin.ncol - col; 1296 num = ncol - col;
1295 MIN_IT (screen.tlen[row], (int16_t)col); 1297 min_it (line.l, col);
1298
1296 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1299 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1297 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1300 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1298 CLEAR_SELECTION (); 1301 CLEAR_SELECTION ();
1299 break; 1302 break;
1303
1300 case 1: /* erase to beginning of line */ 1304 case 1: /* erase to beginning of line */
1301 col = 0; 1305 col = 0;
1302 num = screen.cur.col + 1; 1306 num = screen.cur.col + 1;
1307
1303 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) 1308 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1304 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) 1309 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1305 CLEAR_SELECTION (); 1310 CLEAR_SELECTION ();
1306 break; 1311 break;
1312
1307 case 2: /* erase whole line */ 1313 case 2: /* erase whole line */
1308 col = 0; 1314 col = 0;
1309 num = TermWin.ncol; 1315 num = ncol;
1310 screen.tlen[row] = 0; 1316 line.l = 0;
1311 if (selection.beg.row <= screen.cur.row 1317 if (selection.beg.row <= screen.cur.row
1312 && selection.end.row >= screen.cur.row) 1318 && selection.end.row >= screen.cur.row)
1313 CLEAR_SELECTION (); 1319 CLEAR_SELECTION ();
1314 break; 1320 break;
1315 default: 1321 default:
1316 return; 1322 return;
1317 } 1323 }
1318 1324
1319 if (screen.text[row]) 1325 scr_blank_line (line, col, num, rstyle);
1320 scr_blank_line (&screen.text[row][col], &screen.rend[row][col], num, rstyle);
1321 else
1322 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1323} 1326}
1324 1327
1325/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1326/* 1329/*
1327 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1328 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1329 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1330 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1331 */ 1334 */
1332void 1335void
1333rxvt_term::scr_erase_screen (int mode) 1336rxvt_term::scr_erase_screen (int mode) noexcept
1334{ 1337{
1335 int num; 1338 int num;
1336 int32_t row, row_offset; 1339 int32_t row;
1337 rend_t ren; 1340 rend_t ren;
1338 XGCValues gcvalue; 1341 XGCValues gcvalue;
1339 1342
1340 want_refresh = 1; 1343 want_refresh = 1;
1341 ZERO_SCROLLBACK (); 1344 ZERO_SCROLLBACK ();
1342 1345
1343 row_offset = (int32_t)TermWin.saveLines;
1344
1345 switch (mode) 1346 switch (mode)
1346 { 1347 {
1347 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1348 selection_check (1);
1349 scr_erase_line (0); 1349 scr_erase_line (0);
1350 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1351 num = TermWin.nrow - row; 1351 num = nrow - row;
1352 break; 1352 break;
1353 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1354 selection_check (3);
1355 scr_erase_line (1); 1354 scr_erase_line (1);
1356 row = 0; 1355 row = 0;
1357 num = screen.cur.row; 1356 num = screen.cur.row;
1358 break; 1357 break;
1359 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1360 selection_check (3);
1361 row = 0; 1359 row = 0;
1362 num = TermWin.nrow; 1360 num = nrow;
1363 break; 1361 break;
1364 default: 1362 default:
1365 return; 1363 return;
1366 } 1364 }
1367 1365
… …
1369 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1367 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1370 || (selection.end.row >= row 1368 || (selection.end.row >= row
1371 && selection.end.row <= row + num))) 1369 && selection.end.row <= row + num)))
1372 CLEAR_SELECTION (); 1370 CLEAR_SELECTION ();
1373 1371
1374 if (row >= TermWin.nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1375 return; 1373 return;
1376 1374
1377 MIN_IT (num, (TermWin.nrow - row)); 1375 min_it (num, nrow - row);
1378 1376
1379 if (rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1380 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1381 else if (GET_BASEBG (rstyle) == Color_bg) 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1382 { 1380 {
1383 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1384 CLEAR_ROWS (row, num); 1382
1383 if (mapped)
1384 XClearArea (dpy, vt, 0,
1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num), False);
1385 } 1387 }
1386 else 1388 else
1387 { 1389 {
1388 ren = rstyle & (RS_fgMask | RS_bgMask); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1391
1392 if (mapped)
1393 {
1389 gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1390 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1391 ERASE_ROWS (row, num); 1396 XFillRectangle (dpy, vt, gc,
1397 0, Row2Pixel (row - view_start),
1398 (unsigned int)vt_width,
1399 (unsigned int)Height2Pixel (num));
1392 gcvalue.foreground = pix_colors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1393 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1394 } 1403 }
1395 1404
1396 for (; num--; row++) 1405 for (; num--; row++)
1397 { 1406 {
1398 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int) (row + row_offset), rstyle); 1407 scr_blank_screen_mem (ROW(row), rstyle);
1399 screen.tlen[row + row_offset] = 0; 1408
1400 scr_blank_line (drawn_text[row], drawn_rend[row], (unsigned int)TermWin.ncol, ren); 1409 if (row - view_start < nrow)
1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1401 } 1411 }
1402} 1412}
1413
1414#if !ENABLE_MINIMAL
1415void
1416rxvt_term::scr_erase_savelines () noexcept
1417{
1418 want_refresh = 1;
1419 ZERO_SCROLLBACK ();
1420
1421 top_row = 0;
1422}
1423#endif
1403 1424
1404/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1405/* 1426/*
1406 * Fill the screen with `E's 1427 * Fill the screen with `E's
1407 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1408 */ 1429 */
1409void 1430void ecb_cold
1410rxvt_term::scr_E () 1431rxvt_term::scr_E () noexcept
1411{ 1432{
1412 int i, j, k; 1433 rend_t fs;
1413 rend_t *r1, fs;
1414 1434
1415 want_refresh = 1; 1435 want_refresh = 1;
1416 ZERO_SCROLLBACK (); 1436 ZERO_SCROLLBACK ();
1417 1437
1418 num_scr_allow = 0; 1438 num_scr_allow = 0;
1419 selection_check (3); 1439
1440 row_col_t pos;
1441 pos.row = pos.col = 0;
1442 if (ROWCOL_IS_AFTER (selection.end, pos))
1443 CLEAR_SELECTION ();
1420 1444
1421 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E')); 1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1422 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) 1446 for (int row = nrow; row--; )
1423 { 1447 {
1424 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1448 line_t &line = ROW(row);
1449
1425 fill_text (screen.text[k], 'E', TermWin.ncol); 1450 fill_text (line.t, 'E', ncol);
1426 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1451 rend_t *r1 = line.r;
1452
1453 for (int j = ncol; j--; )
1427 *r1++ = fs; 1454 *r1++ = fs;
1455
1456 line.is_longer (0);
1457 line.touch (ncol);
1428 } 1458 }
1429} 1459}
1430 1460
1431/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1432/* 1462/*
1433 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1434 */ 1464 */
1435void 1465void
1436rxvt_term::scr_insdel_lines (int count, int insdel) 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1437{ 1467{
1438 int end; 1468 int end;
1439 1469
1440 ZERO_SCROLLBACK (); 1470 ZERO_SCROLLBACK ();
1441 1471
… …
1453 count = end; 1483 count = end;
1454 } 1484 }
1455 1485
1456 scr_do_wrap (); 1486 scr_do_wrap ();
1457 1487
1458 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1488 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1459} 1489}
1460 1490
1461/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1462/* 1492/*
1463 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1464 */ 1494 */
1465void 1495void
1466rxvt_term::scr_insdel_chars (int count, int insdel) 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1467{ 1497{
1468 int col, row;
1469 rend_t tr;
1470 text_t *stp;
1471 rend_t *srp;
1472 int16_t *slp;
1473
1474 want_refresh = 1; 1498 want_refresh = 1;
1475 ZERO_SCROLLBACK (); 1499 ZERO_SCROLLBACK ();
1476 1500
1477 if (count <= 0) 1501 if (count <= 0)
1478 return; 1502 return;
1479 1503
1480 scr_do_wrap (); 1504 scr_do_wrap ();
1481 1505
1482 selection_check (1); 1506 selection_check (1);
1483 MIN_IT (count, (TermWin.ncol - screen.cur.col)); 1507 min_it (count, ncol - screen.cur.col);
1484 1508
1485 row = screen.cur.row + TermWin.saveLines; 1509 int row = screen.cur.row;
1486 1510
1487 stp = screen.text[row]; 1511 line_t *line = &ROW(row);
1488 srp = screen.rend[row]; 1512
1489 slp = &screen.tlen[row]; 1513 line->touch ();
1514 line->is_longer (0);
1515
1516 // nuke wide spanning the start
1517 if (line->t[screen.cur.col] == NOCHAR)
1518 scr_kill_char (*line, screen.cur.col);
1490 1519
1491 switch (insdel) 1520 switch (insdel)
1492 { 1521 {
1493 case INSERT: 1522 case INSERT:
1494 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; col--) 1523 line->l = min (line->l + count, ncol);
1524
1525 if (line->t[screen.cur.col] == NOCHAR)
1526 scr_kill_char (*line, screen.cur.col);
1527
1528 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1495 { 1529 {
1496 stp[col] = stp[col - count]; 1530 line->t[col] = line->t[col - count];
1497 srp[col] = srp[col - count]; 1531 line->r[col] = line->r[col - count];
1498 }
1499
1500 if (*slp != -1)
1501 {
1502 *slp += count;
1503 MIN_IT (*slp, TermWin.ncol);
1504 } 1532 }
1505 1533
1506 if (selection.op && current_screen == selection.screen 1534 if (selection.op && current_screen == selection.screen
1507 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1535 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1508 { 1536 {
1509 if (selection.end.row != screen.cur.row 1537 if (selection.end.row != screen.cur.row
1510 || (selection.end.col + count >= TermWin.ncol)) 1538 || (selection.end.col + count >= ncol))
1511 CLEAR_SELECTION (); 1539 CLEAR_SELECTION ();
1512 else 1540 else
1541 {
1513 { /* shift selection */ 1542 /* shift selection */
1514 selection.beg.col += count; 1543 selection.beg.col += count;
1515 selection.mark.col += count; /* XXX: yes? */ 1544 selection.mark.col += count; /* XXX: yes? */
1516 selection.end.col += count; 1545 selection.end.col += count;
1517 } 1546 }
1518 } 1547 }
1519 1548
1520 scr_blank_line (&stp[screen.cur.col], &srp[screen.cur.col], 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1521 (unsigned int)count, rstyle);
1522 break; 1550 break;
1523 1551
1524 case ERASE: 1552 case ERASE:
1525 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1553 screen.cur.col += count; /* don't worry if > ncol */
1526 selection_check (1); 1554 selection_check (1);
1527 screen.cur.col -= count; 1555 screen.cur.col -= count;
1528 scr_blank_line (&stp[screen.cur.col], &srp[screen.cur.col], 1556
1529 (unsigned int)count, rstyle); 1557 // nuke wide char after the end
1558 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1559 scr_kill_char (*line, screen.cur.col + count);
1560
1561 scr_blank_line (*line, screen.cur.col, count, rstyle);
1530 break; 1562 break;
1531 1563
1532 case DELETE: 1564 case DELETE:
1533 tr = srp[TermWin.ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1565 line->l = max (line->l - count, 0);
1534 1566
1567 // nuke wide char spanning the end
1568 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1569 scr_kill_char (*line, screen.cur.col + count);
1570
1535 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) 1571 for (int col = screen.cur.col; (col + count) < ncol; col++)
1536 { 1572 {
1537 stp[col] = stp[col + count]; 1573 line->t[col] = line->t[col + count];
1538 srp[col] = srp[col + count]; 1574 line->r[col] = line->r[col + count];
1539 } 1575 }
1540 1576
1541 scr_blank_line (&stp[TermWin.ncol - count], &srp[TermWin.ncol - count], 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1542 (unsigned int)count, tr);
1543
1544 if (*slp == -1) /* break line continuation */
1545 *slp = TermWin.ncol;
1546
1547 *slp -= count;
1548 MAX_IT (*slp, 0);
1549 1578
1550 if (selection.op && current_screen == selection.screen 1579 if (selection.op && current_screen == selection.screen
1551 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1552 { 1581 {
1553 if (selection.end.row != screen.cur.row 1582 if (selection.end.row != screen.cur.row
1554 || (screen.cur.col >= selection.beg.col - count) 1583 || (screen.cur.col >= selection.beg.col - count)
1555 || selection.end.col >= TermWin.ncol) 1584 || selection.end.col >= ncol)
1556 CLEAR_SELECTION (); 1585 CLEAR_SELECTION ();
1557 else 1586 else
1558 { 1587 {
1559 /* shift selection */ 1588 /* shift selection */
1560 selection.beg.col -= count; 1589 selection.beg.col -= count;
… …
1570/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1571/* 1600/*
1572 * Set the scrolling region 1601 * Set the scrolling region
1573 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1574 */ 1603 */
1575void 1604void ecb_cold
1576rxvt_term::scr_scroll_region (int top, int bot) 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1577{ 1606{
1578 MAX_IT (top, 0); 1607 max_it (top, 0);
1579 MIN_IT (bot, (int)TermWin.nrow - 1); 1608 min_it (bot, nrow - 1);
1580 1609
1581 if (top > bot) 1610 if (top > bot)
1582 return; 1611 return;
1583 1612
1584 screen.tscroll = top; 1613 screen.tscroll = top;
… …
1590/* 1619/*
1591 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1592 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1593 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1594 */ 1623 */
1595void 1624void ecb_cold
1596rxvt_term::scr_cursor_visible (int mode) 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1597{ 1626{
1598 want_refresh = 1; 1627 want_refresh = 1;
1599 1628
1600 if (mode) 1629 if (mode)
1601 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
… …
1607/* 1636/*
1608 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1609 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1610 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1611 */ 1640 */
1612void 1641void ecb_cold
1613rxvt_term::scr_autowrap (int mode) 1642rxvt_term::scr_autowrap (int mode) noexcept
1614{ 1643{
1615 if (mode) 1644 if (mode)
1616 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1617 else 1646 else
1618 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1626 * Relative mode: line numbers are relative to top margin of scrolling region 1655 * Relative mode: line numbers are relative to top margin of scrolling region
1627 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1628 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1629 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1630 */ 1659 */
1631void 1660void ecb_cold
1632rxvt_term::scr_relative_origin (int mode) 1661rxvt_term::scr_relative_origin (int mode) noexcept
1633{ 1662{
1634 if (mode) 1663 if (mode)
1635 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1636 else 1665 else
1637 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
… …
1643/* 1672/*
1644 * Set insert/replace mode 1673 * Set insert/replace mode
1645 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1646 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1647 */ 1676 */
1648void 1677void ecb_cold
1649rxvt_term::scr_insert_mode (int mode) 1678rxvt_term::scr_insert_mode (int mode) noexcept
1650{ 1679{
1651 if (mode) 1680 if (mode)
1652 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1653 else 1682 else
1654 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
… …
1659 * Set/Unset tabs 1688 * Set/Unset tabs
1660 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1661 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1662 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1663 */ 1692 */
1664void 1693void ecb_cold
1665rxvt_term::scr_set_tab (int mode) 1694rxvt_term::scr_set_tab (int mode) noexcept
1666{ 1695{
1667 if (mode < 0) 1696 if (mode < 0)
1668 memset (tabs, 0, TermWin.ncol * sizeof (char)); 1697 memset (tabs, 0, ncol);
1669 else if (screen.cur.col < TermWin.ncol) 1698 else if (screen.cur.col < ncol)
1670 tabs[screen.cur.col] = (mode ? 1 : 0); 1699 tabs [screen.cur.col] = !!mode;
1671} 1700}
1672 1701
1673/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1674/* 1703/*
1675 * Set reverse/normal video 1704 * Set reverse/normal video
1676 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1677 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1678 */ 1707 */
1679void 1708void
1680rxvt_term::scr_rvideo_mode (int mode) 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1681{ 1710{
1711 rvideo_mode = on;
1712
1713#ifndef NO_BELL
1714 on ^= rvideo_bell;
1715#endif
1716
1717 if (rvideo_state != on)
1718 {
1719 rvideo_state = on;
1720
1721#if OFF_FOCUS_FADING
1722 if (rs[Rs_fade])
1723 {
1724 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1725 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1726 }
1727 else
1728#endif
1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1730#ifdef HAVE_IMG
1731 if (bg_img == 0)
1732#endif
1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1734
1682 XGCValues gcvalue; 1735 XGCValues gcvalue;
1683
1684 if (rvideo != mode)
1685 {
1686 rvideo = mode;
1687 SWAP_IT (pix_colors[Color_fg], pix_colors[Color_bg], rxvt_color);
1688#if XPM_BACKGROUND
1689 if (bgPixmap.pixmap == None)
1690#endif
1691#if TRANSPARENT
1692 if (! (options & Opt_transparent) || am_transparent == 0)
1693#endif
1694 XSetWindowBackground (display->display, TermWin.vt,
1695 pix_colors[Color_bg]);
1696
1697 gcvalue.foreground = pix_colors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1698 gcvalue.background = pix_colors[Color_bg]; 1737 gcvalue.background = pix_colors[Color_bg];
1699 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground, 1738 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1700 &gcvalue); 1739
1701 scr_clear (); 1740 scr_clear ();
1702 scr_touch (true); 1741 scr_touch (true);
1703 } 1742 }
1704} 1743}
1705 1744
1706/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1707/* 1746/*
1708 * Report current cursor position 1747 * Report current cursor position
1709 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1710 */ 1749 */
1711void 1750void ecb_cold
1712rxvt_term::scr_report_position () 1751rxvt_term::scr_report_position () noexcept
1713{ 1752{
1714 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1753 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1715} 1754}
1716 1755
1717/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
… …
1719 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1720 1759
1721/* 1760/*
1722 * Set font style 1761 * Set font style
1723 */ 1762 */
1724void 1763void ecb_cold
1725rxvt_term::set_font_style () 1764rxvt_term::set_font_style () noexcept
1726{ 1765{
1766#if 0
1727 switch (charsets[screen.charset]) 1767 switch (charsets [screen.charset])
1728 { 1768 {
1729 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1730 break; 1770 break;
1731 case 'A': /* United Kingdom (UK) */ 1771 case 'A': /* United Kingdom (UK) */
1732 break; 1772 break;
… …
1739 case 'C': /* Finnish character set */ 1779 case 'C': /* Finnish character set */
1740 break; 1780 break;
1741 case 'K': /* German character set */ 1781 case 'K': /* German character set */
1742 break; 1782 break;
1743 } 1783 }
1784#endif
1744} 1785}
1745 1786
1746/* ------------------------------------------------------------------------- */ 1787/* ------------------------------------------------------------------------- */
1747/* 1788/*
1748 * Choose a font 1789 * Choose a font
1749 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1750 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1751 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1752 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1753 */ 1794 */
1754void 1795void ecb_cold
1755rxvt_term::scr_charset_choose (int set) 1796rxvt_term::scr_charset_choose (int set) noexcept
1756{ 1797{
1757 screen.charset = set; 1798 screen.charset = set;
1758 set_font_style (); 1799 set_font_style ();
1759} 1800}
1760 1801
… …
1766 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1767 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1768 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1769 */ 1810 */
1770void 1811void
1771rxvt_term::scr_charset_set (int set, unsigned int ch) 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1772{ 1813{
1773 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1774 set_font_style (); 1815 set_font_style ();
1775} 1816}
1776 1817
… …
1780 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1781 1822
1782/* 1823/*
1783 * refresh matching text. 1824 * refresh matching text.
1784 */ 1825 */
1785bool 1826bool ecb_cold
1786rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1787{ 1828{
1788 bool found = false; 1829 bool found = false;
1789 1830
1790 for (int i = 0; i < TermWin.nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1791 { 1832 {
1792 int col = 0;
1793 rend_t *drp = drawn_rend [i]; 1833 rend_t *drp = drawn_buf[i].r;
1794 1834
1795 for (; col < TermWin.ncol; col++, drp++) 1835 for (int col = 0; col < ncol; col++, drp++)
1796 if ((*drp & mask) == value) 1836 if ((*drp & mask) == value)
1797 { 1837 {
1798 found = true; 1838 found = true;
1799 *drp = ~value; 1839 *drp = ~value;
1800 } 1840 }
… …
1810 PART_BEG = 0, 1850 PART_BEG = 0,
1811 PART_END, 1851 PART_END,
1812 RC_COUNT 1852 RC_COUNT
1813}; 1853};
1814 1854
1815void 1855void ecb_hot
1816rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1856rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1817{ 1857{
1818 int i; 1858 int i;
1819 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1820 1860
1821 if (drawn_text == NULL) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1822 return; 1862 return;
1823 1863
1824#ifndef NO_SLOW_LINK_SUPPORT 1864#ifndef NO_SLOW_LINK_SUPPORT
1825 if (refresh_type == FAST_REFRESH && !display->is_local) 1865 if (refresh_type == FAST_REFRESH && !display->is_local)
1826 { 1866 {
1827 y = 0; 1867 y = 0;
1828 height = TermWin.height; 1868 eheight = height;
1829 } 1869 }
1830#endif
1831
1832#ifdef DEBUG_STRICT
1833 x = max (x, 0);
1834 x = min (x, (int)TermWin.width);
1835 y = max (y, 0);
1836 y = min (y, (int)TermWin.height);
1837#endif 1870#endif
1838 1871
1839 /* round down */ 1872 /* round down */
1840 rc[PART_BEG].col = Pixel2Col (x); 1873 rc[PART_BEG].col = Pixel2Col (x);
1841 rc[PART_BEG].row = Pixel2Row (y); 1874 rc[PART_BEG].row = Pixel2Row (y);
1842 /* round up */ 1875 /* round up */
1843 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1); 1876 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1844 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1); 1877 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1845 1878
1846 /* sanity checks */ 1879 /* sanity checks */
1847 for (i = PART_BEG; i < RC_COUNT; i++) 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1848 { 1881 {
1849 MIN_IT (rc[i].col, TermWin.ncol - 1); 1882 min_it (rc[i].col, ncol - 1);
1850 MIN_IT (rc[i].row, TermWin.nrow - 1); 1883 min_it (rc[i].row, nrow - 1);
1851 } 1884 }
1852 1885
1853 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1886 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1854 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1887 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1888
1889 num_scr_allow = 0;
1855 1890
1856 if (refresh) 1891 if (refresh)
1857 scr_refresh (SLOW_REFRESH); 1892 scr_refresh ();
1858} 1893}
1859 1894
1860/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1861/* 1896/*
1862 * Refresh the entire screen 1897 * Refresh the entire screen
1863 */ 1898 */
1864void 1899void
1865rxvt_term::scr_touch (bool refresh) 1900rxvt_term::scr_touch (bool refresh) noexcept
1866{ 1901{
1867 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1868} 1903}
1869 1904
1870/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1871/* 1906/*
1872 * Move the display so that the line represented by scrollbar value Y is at 1907 * Move the display so that the line represented by scrollbar value Y is at
1873 * the top of the screen 1908 * the top of the screen
1874 */ 1909 */
1875int 1910void
1876rxvt_term::scr_move_to (int y, int len) 1911rxvt_term::scr_move_to (int y, int len) noexcept
1877{ 1912{
1878 long p = 0; 1913 // lerp (y, 0, len, top_row, nrow - 1)
1879 unsigned int oldviewstart; 1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1880
1881 oldviewstart = TermWin.view_start;
1882
1883 if (y < len)
1884 {
1885 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1886 p -= (long) (TermWin.nrow - 1);
1887 p = max (p, 0);
1888 }
1889
1890 TermWin.view_start = (unsigned int)min (p, TermWin.nscrolled);
1891
1892 return scr_changeview (oldviewstart);
1893} 1915}
1894 1916
1895/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1896/* 1918/*
1897 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1898 * direction should be UP or DN 1920 * direction should be UP or DN
1899 */ 1921 */
1900int 1922bool
1901rxvt_term::scr_page (enum page_dirn direction, int nlines) 1923rxvt_term::scr_page (int nlines) noexcept
1902{ 1924{
1903 int n;
1904 unsigned int oldviewstart;
1905
1906#ifdef DEBUG_STRICT
1907 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1908#endif
1909 oldviewstart = TermWin.view_start;
1910 if (direction == UP)
1911 {
1912 n = TermWin.view_start + nlines;
1913 TermWin.view_start = min (n, TermWin.nscrolled);
1914 }
1915 else
1916 {
1917 n = TermWin.view_start - nlines;
1918 TermWin.view_start = max (n, 0);
1919 }
1920 return scr_changeview (oldviewstart); 1925 return scr_changeview (view_start - nlines);
1921} 1926}
1922 1927
1923int 1928bool
1924rxvt_term::scr_changeview (unsigned int oldviewstart) 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1925{ 1930{
1931 clamp_it (new_view_start, top_row, 0);
1932
1926 if (TermWin.view_start != oldviewstart) 1933 if (new_view_start == view_start)
1927 { 1934 return false;
1935
1936 num_scr += new_view_start - view_start;
1937 view_start = new_view_start;
1928 want_refresh = 1; 1938 want_refresh = 1;
1929 num_scr -= (TermWin.view_start - oldviewstart);
1930 }
1931 1939
1932 return (int) (TermWin.view_start - oldviewstart); 1940 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1933}
1934 1941
1935/* ------------------------------------------------------------------------- */ 1942 return true;
1936void 1943}
1937rxvt_term::scr_bell () 1944
1938{
1939#ifndef NO_BELL 1945#ifndef NO_BELL
1946void
1947rxvt_term::bell_cb (ev::timer &w, int revents)
1948{
1949 rvideo_bell = false;
1950 scr_rvideo_mode (rvideo_mode);
1951 refresh_check ();
1952}
1953#endif
1954
1955/* ------------------------------------------------------------------------- */
1956void
1957rxvt_term::scr_bell () noexcept
1958{
1959#ifndef NO_BELL
1960
1940# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1941# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1942 if (options & Opt_mapAlert) 1963 if (option (Opt_mapAlert))
1943# endif 1964# endif
1944 XMapWindow (display->display, TermWin.parent[0]); 1965 XMapWindow (dpy, parent);
1945# endif 1966# endif
1967
1968# if ENABLE_FRILLS
1969 if (option (Opt_urgentOnBell))
1970 set_urgency (1);
1971# endif
1972
1946 if (options & Opt_visualBell) 1973 if (option (Opt_visualBell))
1947 { 1974 {
1948 scr_rvideo_mode (!rvideo); /* refresh also done */ 1975 rvideo_bell = true;
1949 scr_rvideo_mode (!rvideo); /* refresh also done */ 1976 scr_rvideo_mode (rvideo_mode);
1977 flush ();
1978
1979 bell_ev.start (VISUAL_BELL_DURATION);
1950 } 1980 }
1951 else 1981 else
1952 XBell (display->display, 0); 1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1953#endif 1984#endif
1954} 1985}
1955 1986
1956/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1957/* ARGSUSED */ 1988void ecb_cold
1958void
1959rxvt_term::scr_printscreen (int fullhist) 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1960{ 1990{
1961#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1962 int i, r1, nrows, row_offset; 1992 int nrows, row_start;
1963 FILE *fd; 1993 FILE *fd = popen_printer ();
1964 1994
1965 if ((fd = popen_printer ()) == NULL) 1995 if (!fd)
1966 return; 1996 return;
1967 1997
1968 nrows = TermWin.nrow;
1969 row_offset = TermWin.saveLines;
1970
1971 if (!fullhist) 1998 if (fullhist)
1972 row_offset -= TermWin.view_start; 1999 {
2000 nrows = nrow - top_row;
2001 row_start = top_row;
2002 }
1973 else 2003 else
1974 { 2004 {
1975 nrows += TermWin.nscrolled; 2005 nrows = nrow;
1976 row_offset -= TermWin.nscrolled; 2006 row_start = view_start;
1977 } 2007 }
1978 2008
1979 wctomb (0, 0); 2009 wctomb (0, 0);
1980 2010
1981 for (r1 = 0; r1 < nrows; r1++) 2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1982 { 2012 {
1983 text_t *tp = screen.text[r1 + row_offset]; 2013 text_t *tp = ROW(r1).t;
1984 int len = screen.tlen[r1 + row_offset]; 2014 int len = ROW(r1).l;
1985 2015
1986 for (i = len >= 0 ? len : TermWin.ncol - 1; i--; ) 2016 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1987 { 2017 {
1988 char mb[MB_LEN_MAX]; 2018 char mb[MB_LEN_MAX];
1989 text_t t = *tp++; 2019 text_t t = *tp++;
1990 if (t == NOCHAR) 2020 if (t == NOCHAR)
1991 continue; 2021 continue;
… …
2012/* 2042/*
2013 * Refresh the screen 2043 * Refresh the screen
2014 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
2015 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
2016 */ 2046 */
2017 2047void ecb_hot
2018#define FONT_WIDTH(X, Y) \ 2048rxvt_term::scr_refresh () noexcept
2019 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
2020#define FONT_RBEAR(X, Y) \
2021 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
2022#define FONT_LBEAR(X, Y) \
2023 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
2024#define IS_FONT_CHAR(X, Y) \
2025 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
2026
2027void
2028rxvt_term::scr_refresh (unsigned char refresh_type)
2029{ 2049{
2030 unsigned char must_clear, /* use draw_string not draw_image_string */
2031 showcursor; /* show the cursor */
2032 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
2033 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
2034 int i, /* tmp */ 2052 int i; /* tmp */
2035 row_offset; /* basic offset in screen structure */ 2053 rend_t ccol1, /* Cursor colour */
2036#ifndef NO_CURSORCOLOR 2054 ccol2; /* Cursor colour2 */
2037 rend_t cc1; /* store colours at cursor position (s) */ 2055 rend_t cur_rend;
2038#endif 2056 int cur_col;
2039 rend_t *crp; // cursor rendition pointer 2057 int cursorwidth;
2040 2058
2041 want_refresh = 0; /* screen is current */ 2059 want_refresh = 0; /* screen is current */
2042 2060
2043 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2061 if (refresh_type == NO_REFRESH || !mapped)
2044 return; 2062 return;
2045 2063
2046 /* 2064 /*
2047 * A: set up vars 2065 * A: set up vars
2048 */ 2066 */
2049 must_clear = 0;
2050 refresh_count = 0; 2067 refresh_count = 0;
2051 2068
2052 row_offset = TermWin.saveLines - TermWin.view_start; 2069 unsigned int old_screen_flags = screen.flags;
2053 2070 bool have_bg = 0;
2054#if XPM_BACKGROUND 2071#ifdef HAVE_IMG
2055 must_clear |= (bgPixmap.pixmap != None); 2072 have_bg = bg_img != 0;
2056#endif
2057#if TRANSPARENT
2058 must_clear |= ((options & Opt_transparent) && am_transparent);
2059#endif 2073#endif
2060 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2061 2075
2062 /* 2076 /*
2063 * B: reverse any characters which are selected 2077 * B: reverse any characters which are selected
2064 */ 2078 */
2065 scr_reverse_selection (); 2079 scr_reverse_selection ();
2066 2080
2081 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2082#if ENABLE_OVERLAY
2083 scr_swap_overlay ();
2084#endif
2085
2086 bool showcursor = screen.flags & Screen_VisibleCursor;
2087
2067 /* 2088 /*
2068 * C: set the cursor character (s) 2089 * C: set the cursor character (s)
2069 */ 2090 */
2070 { 2091 {
2071 unsigned char setoldcursor;
2072 rend_t ccol1, /* Cursor colour */
2073 ccol2; /* Cursor colour2 */
2074
2075 showcursor = (screen.flags & Screen_VisibleCursor);
2076#ifdef CURSOR_BLINK 2092#ifdef CURSOR_BLINK
2077 if (hidden_cursor) 2093 if (hidden_cursor)
2078 showcursor = 0; 2094 showcursor = 0;
2079#endif 2095#endif
2080 2096
2081 if (showcursor) 2097 if (showcursor)
2082 { 2098 {
2083 int col = screen.cur.col; 2099 int col = screen.cur.col;
2084 2100
2085 while (col && screen.text[screen.cur.row + TermWin.saveLines][col] == NOCHAR) 2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2086 col--; 2102 col--;
2087 2103
2088 crp = &screen.rend[screen.cur.row + TermWin.saveLines][col]; 2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2089 2108
2090 if (showcursor && TermWin.focus) 2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2111
2112#ifndef NO_CURSORCOLOR
2113 if (ISSET_PIXCOLOR (Color_cursor))
2114 ccol1 = Color_cursor;
2115 else
2116#endif
2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2118 ccol1 = fgcolor_of (rstyle);
2119#else
2120 ccol1 = Color_fg;
2121#endif
2122
2123#ifndef NO_CURSORCOLOR
2124 if (ISSET_PIXCOLOR (Color_cursor2))
2125 ccol2 = Color_cursor2;
2126 else
2127#endif
2128#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2129 ccol2 = bgcolor_of (rstyle);
2130#else
2131 ccol2 = Color_bg;
2132#endif
2133
2134 if (focus && cursor_type == 0)
2091 { 2135 {
2136 rend_t rend = cur_rend;
2137
2092 *crp ^= RS_RVid; 2138 rend ^= RS_RVid;
2093#ifndef NO_CURSORCOLOR
2094 cc1 = *crp & (RS_fgMask | RS_bgMask);
2095 if (ISSET_PIXCOLOR (Color_cursor))
2096 ccol1 = Color_cursor;
2097 else
2098#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2099 ccol1 = GET_FGCOLOR (rstyle);
2100#else
2101 ccol1 = Color_fg;
2102#endif
2103 if (ISSET_PIXCOLOR (Color_cursor2))
2104 ccol2 = Color_cursor2;
2105 else
2106#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2107 ccol2 = GET_BGCOLOR (rstyle);
2108#else
2109 ccol2 = Color_bg;
2110#endif
2111 *crp = SET_FGCOLOR (*crp, ccol1); 2139 rend = SET_FGCOLOR (rend, ccol1);
2112 *crp = SET_BGCOLOR (*crp, ccol2); 2140 rend = SET_BGCOLOR (rend, ccol2);
2113#endif 2141
2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2114 } 2143 }
2115 } 2144 }
2116 2145
2117 /* make sure no outline cursor is left around */ 2146 /* make sure no outline cursor is left around */
2118 setoldcursor = 0; 2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2119 if (ocrow != -1) 2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2149
2150 // save the current cursor coordinates if the cursor is visible
2151 // and either the window is unfocused or the cursor style is
2152 // underline or vertical bar, so as to clear the outline cursor in
2153 // the next refresh if the cursor moves or becomes invisible
2154 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2120 { 2155 {
2121 if (screen.cur.row + TermWin.view_start != ocrow 2156 oldcursor.row = screen.cur.row - view_start;
2122 || screen.cur.col != oldcursor.col) 2157 oldcursor.col = screen.cur.col;
2123 {
2124 if (ocrow < TermWin.nrow
2125 && oldcursor.col < TermWin.ncol)
2126 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2127
2128 if (TermWin.focus || !showcursor)
2129 oldcursor.row = -1;
2130 else
2131 setoldcursor = 1;
2132 }
2133 } 2158 }
2134 else if (!TermWin.focus) 2159 else
2135 setoldcursor = 1;
2136
2137 if (setoldcursor)
2138 {
2139 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2140 oldcursor.row = -1; 2160 oldcursor.row = -1;
2141 else
2142 {
2143 oldcursor.row = screen.cur.row + TermWin.view_start;
2144 oldcursor.col = screen.cur.col;
2145 }
2146 }
2147 } 2161 }
2148
2149#if ENABLE_OVERLAY
2150 scr_swap_overlay ();
2151#endif
2152
2153 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
2154 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
2155 2162
2156#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
2157 /* 2164 /*
2158 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
2159 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
2160 */ 2167 */
2161 i = num_scr;
2162 if (!display->is_local 2168 if (!display->is_local
2163 && refresh_type == FAST_REFRESH && num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2164 && abs (i) < TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
2165 { 2171 {
2166 int16_t nits; 2172 int16_t nits;
2173 int i = num_scr;
2167 int j; 2174 int j;
2168 int len, wlen; 2175 int len, wlen;
2169 2176
2170 j = TermWin.nrow; 2177 j = nrow;
2171 wlen = len = -1; 2178 wlen = len = -1;
2172 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
2173 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2174 { 2182 {
2175 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2176 { 2184 {
2177 text_t *stp = screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
2178 rend_t *srp = screen.rend[row + row_offset];
2179 text_t *dtp = drawn_text[row]; 2186 line_t d = drawn_buf[row];
2180 text_t *dtp2 = drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
2181 rend_t *drp = drawn_rend[row];
2182 rend_t *drp2 = drawn_rend[row + i];
2183 2188
2184 for (nits = 0, col = TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
2185 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2186 nits--; 2191 nits--;
2187 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2192 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2188 nits++; 2193 nits++;
2189 2194
2190 if (nits > 8) /* XXX: arbitrary choice */ 2195 if (nits > 8) /* XXX: arbitrary choice */
2191 { 2196 {
2192 for (col = TermWin.ncol; col--; ) 2197 for (col = ncol; col--; )
2193 { 2198 {
2194 *dtp++ = *dtp2++; 2199 *d.t++ = *d2.t++;
2195 *drp++ = *drp2++; 2200 *d.r++ = *d2.r++;
2196 } 2201 }
2197 2202
2198 if (len == -1) 2203 if (len == -1)
2199 len = row; 2204 len = row;
2200 2205
2201 wlen = row; 2206 wlen = row;
2202 continue; 2207 continue;
2203 } 2208 }
2204 } 2209 }
2205 2210
2206 if (len != -1) 2211 if (len >= 0)
2207 { 2212 {
2208 /* also comes here at end if needed because of >= above */ 2213 /* also comes here at end if needed because of >= above */
2209 if (wlen < len) 2214 if (wlen < len)
2210 SWAP_IT (wlen, len, int); 2215 ::swap (wlen, len);
2211 2216
2212 XCopyArea (display->display, TermWin.vt, TermWin.vt, 2217 XGCValues gcv;
2218
2219 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2220 XCopyArea (dpy, vt, vt,
2213 TermWin.gc, 0, Row2Pixel (len + i), 2221 gc, 0, Row2Pixel (len + i),
2214 (unsigned int)TermWin_TotalWidth (), 2222 (unsigned int)this->width,
2215 (unsigned int)Height2Pixel (wlen - len + 1), 2223 (unsigned int)Height2Pixel (wlen - len + 1),
2216 0, Row2Pixel (len)); 2224 0, Row2Pixel (len));
2225 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2226
2217 len = -1; 2227 len = -1;
2218 } 2228 }
2219 } 2229 }
2220 } 2230 }
2221#endif 2231#endif
2222 2232
2223 /* 2233 /*
2224 * E: main pass across every character 2234 * E: main pass across every character
2225 */ 2235 */
2226 for (row = 0; row < TermWin.nrow; row++) 2236 for (row = 0; row < nrow; row++)
2227 { 2237 {
2228 text_t *stp = screen.text[row + row_offset]; 2238 text_t *stp = ROW(view_start + row).t;
2229 rend_t *srp = screen.rend[row + row_offset]; 2239 rend_t *srp = ROW(view_start + row).r;
2230 text_t *dtp = drawn_text[row]; 2240 text_t *dtp = drawn_buf[row].t;
2231 rend_t *drp = drawn_rend[row]; 2241 rend_t *drp = drawn_buf[row].r;
2232 2242
2233 /* 2243 /*
2234 * E2: OK, now the real pass 2244 * E2: OK, now the real pass
2235 */ 2245 */
2236 int ypixel = (int)Row2Pixel (row); 2246 int ypixel = (int)Row2Pixel (row);
2237 2247
2238 for (col = 0; col < TermWin.ncol; col++) 2248 for (col = 0; col < ncol; col++)
2239 { 2249 {
2240 /* compare new text with old - if exactly the same then continue */ 2250 /* compare new text with old - if exactly the same then continue */
2241 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2242 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2243 || (stp[col] == ' ' /* space w/ no background change */
2244 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2245 continue; 2252 continue;
2246 2253
2247 // redraw one or more characters 2254 // redraw one or more characters
2248 2255
2249 // seek to the beginning if wide characters 2256 // seek to the beginning of wide characters
2250 while (stp[col] == NOCHAR && col > 0) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2251 --col; 2258 --col;
2252 2259
2253 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2254 text_t *text = stp + col; 2261 text_t *text = stp + col;
2255 int count = 1; 2262 int count = 1;
2256 2263
2257 dtp[col] = stp[col]; 2264 dtp[col] = stp[col];
2258 drp[col] = rend; 2265 drp[col] = rend;
2259 2266
2260 int xpixel = Col2Pixel (col); 2267 int xpixel = Col2Pixel (col);
2261 2268
2262 for (i = 0; ++col < TermWin.ncol; ) 2269 for (i = 0; ++col < ncol; )
2263 { 2270 {
2264 if (stp[col] == NOCHAR) 2271 if (stp[col] == NOCHAR)
2265 { 2272 {
2266 dtp[col] = stp[col]; 2273 dtp[col] = stp[col];
2267 drp[col] = rend; 2274 drp[col] = srp[col];
2275
2268 count++; 2276 count++;
2269 i++; 2277 i++;
2270 2278
2271 continue; 2279 continue;
2272 } 2280 }
… …
2277 count++; 2285 count++;
2278 2286
2279 if (stp[col] != dtp[col] 2287 if (stp[col] != dtp[col]
2280 || !RS_SAME (srp[col], drp[col])) 2288 || !RS_SAME (srp[col], drp[col]))
2281 { 2289 {
2282 if (must_clear && (i++ > count / 2)) 2290 if (have_bg && (i++ > count / 2))
2283 break; 2291 break;
2284 2292
2285 dtp[col] = stp[col]; 2293 dtp[col] = stp[col];
2286 drp[col] = rend; 2294 drp[col] = rend;
2287 i = 0; 2295 i = 0;
2288 } 2296 }
2289 else if (must_clear || (stp[col] != ' ' && ++i >= 16)) 2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2290 break; 2298 break;
2291 } 2299 }
2292 2300
2293 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2294 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2295 2303
2296 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2297 while (i && text[count] == NOCHAR) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2298 count++, i--; 2306 count++, i--;
2299
2300#if ENABLE_STYLES
2301 // force redraw after "careful" characters to avoid pixel droppings
2302 if (srp[col] & RS_Careful && col < TermWin.ncol - 1 && 0)
2303 drp[col + 1] = ~srp[col + 1];
2304
2305 // include previous careful character(s) if possible, looks nicer (best effort...)
2306 while (text > stp
2307 && srp[text - stp - 1] & RS_Careful
2308 && RS_SAME (rend, srp[text - stp - 1]))
2309 text--, count++, xpixel -= TermWin.fwidth;
2310#endif
2311 2307
2312 /* 2308 /*
2313 * Determine the attributes for the string 2309 * Determine the attributes for the string
2314 */ 2310 */
2315 int fore = GET_FGCOLOR (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2316 int back = GET_BGCOLOR (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2317 2313
2318 // only do special processing if ana attributes are set, which is rare 2314 // only do special processing if any attributes are set, which is unlikely
2319 if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink)) 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2320 { 2316 {
2321 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2322 2318
2323#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2324 if (rend & RS_Bold
2325 && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
2326 { 2321 {
2327 if (ISSET_PIXCOLOR (Color_BD)) 2322 if (ISSET_PIXCOLOR (Color_BD))
2328 fore = Color_BD; 2323 fore = Color_BD;
2329# if !ENABLE_STYLES 2324# if !ENABLE_STYLES
2330 else 2325 else
2331 invert = !invert; 2326 invert = !invert;
2332# endif 2327# endif
2333 } 2328 }
2334 2329
2335 if (rend & RS_Italic 2330 if (rend & RS_Italic && fore == Color_fg)
2336 && fore == Color_fg)
2337 { 2331 {
2338 if (ISSET_PIXCOLOR (Color_IT)) 2332 if (ISSET_PIXCOLOR (Color_IT))
2339 fore = Color_IT; 2333 fore = Color_IT;
2340# if !ENABLE_STYLES 2334# if !ENABLE_STYLES
2341 else 2335 else
2342 invert = !invert; 2336 invert = !invert;
2343# endif 2337# endif
2344 } 2338 }
2345 2339
2346 if (rend & RS_Uline && ISSET_PIXCOLOR (Color_UL)) 2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2347 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 }
2348#endif 2362#endif
2349 2363
2350 if (invert) 2364 if (invert)
2351 { 2365 {
2352 SWAP_IT (fore, back, int); 2366 ::swap (fore, back);
2353 2367
2354#ifndef NO_BOLD_UNDERLINE_REVERSE 2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2355 if (ISSET_PIXCOLOR (Color_RV)) 2369 if (fore == back)
2370 {
2371 fore = Color_bg;
2356 back = Color_RV; 2372 back = Color_fg;
2373 }
2357#endif 2374#endif
2358 } 2375 }
2359 2376
2360#ifdef TEXT_BLINK 2377#ifdef TEXT_BLINK
2361 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg)) 2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2362 { 2379 {
2363 if (!text_blink_ev.active) 2380 if (!text_blink_ev.is_active ())
2364 { 2381 {
2365 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); 2382 text_blink_ev.again ();
2366 hidden_text = 0; 2383 hidden_text = 0;
2367 } 2384 }
2368 else if (hidden_text) 2385 else if (hidden_text)
2369 fore = back; 2386 fore = back;
2370 } 2387 }
2371#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
2372 } 2407 }
2373 2408
2374 /* 2409 /*
2375 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2376 */ 2411 */
2377 rxvt_font *font = (*TermWin.fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2378 2413
2379 if (back == fore) 2414 if (ecb_likely (have_bg && back == Color_bg))
2380 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2381 TermWin.fwidth * count, TermWin.fheight,
2382 back);
2383 else if (back == Color_bg)
2384 { 2415 {
2385 if (must_clear) 2416 // this is very ugly, maybe push it into ->draw?
2386 {
2387 CLEAR_CHARS (xpixel, ypixel, count);
2388 2417
2389 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2390 if (text[i] != ' ') 2419 if (text[i] != ' ')
2391 { 2420 {
2392 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1); 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2393 break; 2422 goto did_clear;
2394 }
2395 } 2423 }
2396 else 2424
2397 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg); 2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2398 } 2427 }
2399 else 2428 else
2400 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2401 2430
2402 if (rend & RS_Uline && font->descent > 1 && fore != back) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2403 XDrawLine (display->display, drawBuffer, TermWin.gc, 2432 {
2433 if (showcursor && focus && row == screen.cur.row
2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2436 else
2437#if ENABLE_FRILLS
2438 if (ISSET_PIXCOLOR (Color_underline))
2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2440 else
2441#endif
2442 XSetForeground (dpy, gc, pix_colors[fore]);
2443
2444 XDrawLine (dpy, vt, gc,
2404 xpixel, ypixel + font->ascent + 1, 2445 xpixel, ypixel + font->ascent + 1,
2405 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2447 }
2406 } /* for (col....) */ 2448 } /* for (col....) */
2407 } /* for (row....) */ 2449 } /* for (row....) */
2408
2409#if ENABLE_OVERLAY
2410 scr_swap_overlay ();
2411#endif
2412 2450
2413 /* 2451 /*
2414 * G: cleanup cursor and display outline cursor if necessary 2452 * G: cleanup cursor and display outline cursor if necessary
2415 */ 2453 */
2416 if (showcursor) 2454 if (showcursor)
2417 { 2455 {
2418 if (TermWin.focus) 2456 if (focus)
2457 {
2458 if (cursor_type == 0)
2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2460 else if (oldcursor.row >= 0)
2419 { 2461 {
2420 *crp ^= RS_RVid; 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2421#ifndef NO_CURSORCOLOR 2463 if (cursor_type == 1)
2422 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2464 XFillRectangle (dpy, vt, gc,
2423#endif 2465 Col2Pixel (cur_col),
2466 Row2Pixel (oldcursor.row + 1) - 2,
2467 Width2Pixel (1),
2468 2);
2469 else
2470 XFillRectangle (dpy, vt, gc,
2471 Col2Pixel (cur_col),
2472 Row2Pixel (oldcursor.row),
2473 2,
2474 Height2Pixel (1));
2475 }
2424 } 2476 }
2425 else if (oldcursor.row >= 0) 2477 else if (oldcursor.row >= 0)
2426 { 2478 {
2427#ifndef NO_CURSORCOLOR 2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2428 if (ISSET_PIXCOLOR (Color_cursor))
2429 XSetForeground (display->display, TermWin.gc, pix_colors[Color_cursor]);
2430#endif
2431 int cursorwidth = 1;
2432 while (oldcursor.col + cursorwidth < TermWin.ncol
2433 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2434 cursorwidth++;
2435 2480
2436 XDrawRectangle (display->display, drawBuffer, TermWin.gc, 2481 XDrawRectangle (dpy, vt, gc,
2437 Col2Pixel (oldcursor.col), 2482 Col2Pixel (cur_col),
2438 Row2Pixel (oldcursor.row), 2483 Row2Pixel (oldcursor.row),
2439 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2440 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1)); 2485 (unsigned int) (Height2Pixel (1) - 1));
2441 } 2486 }
2442 } 2487 }
2443 2488
2444 /* 2489 /*
2445 * H: cleanup selection 2490 * H: cleanup selection
2446 */ 2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2447 scr_reverse_selection (); 2497 scr_reverse_selection ();
2448 2498
2449 if (refresh_type & SMOOTH_REFRESH) 2499 screen.flags = old_screen_flags;
2450 XFlush (display->display);
2451
2452 num_scr = 0; 2500 num_scr = 0;
2453 num_scr_allow = 1; 2501 num_scr_allow = 1;
2454} 2502}
2455 2503
2456void 2504void ecb_cold
2457rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp) 2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2458{ 2506{
2459 if (!rp || !tp) 2507 if (!l.valid ())
2460 return; 2508 return;
2461 2509
2462 for (int i = TermWin.ncol; i; i--, rp++, tp++) 2510 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2511
2512 for (int i = ncol; i--; )
2463 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp)); 2513 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2464} 2514}
2465 2515
2466void 2516void ecb_cold
2467rxvt_term::scr_remap_chars () 2517rxvt_term::scr_remap_chars () noexcept
2468{ 2518{
2469 for (int i = TermWin.nrow + TermWin.saveLines; i--; ) 2519 for (int i = total_rows; i--; )
2470 scr_remap_chars (screen.text[i], screen.rend[i]); 2520 scr_remap_chars (row_buf [i]);
2471 2521
2472 for (int i = TermWin.nrow; i--; ) 2522 for (int i = nrow; i--; )
2473 {
2474 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2475 scr_remap_chars (swap.text[i], swap.rend[i]);
2476 } 2523 {
2524 scr_remap_chars (drawn_buf [i]);
2525 scr_remap_chars (swap_buf [i]);
2526 }
2477} 2527}
2478 2528
2479void 2529void ecb_cold
2480rxvt_term::scr_recolour () 2530rxvt_term::scr_recolor (bool refresh) noexcept
2481{ 2531{
2482 if (1 2532 bool transparent = false;
2483#if TRANSPARENT 2533
2484 && !am_transparent 2534#ifdef HAVE_IMG
2535 if (bg_img != 0)
2536 {
2537# if ENABLE_TRANSPARENCY
2538 if (bg_flags & BG_IS_TRANSPARENT)
2539 {
2540 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2541 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2542
2543 transparent = true;
2544 }
2545 else
2485#endif 2546# endif
2486#if XPM_BACKGROUND
2487 && !bgPixmap.pixmap
2488#endif
2489 )
2490 {
2491 XSetWindowBackground (display->display, TermWin.parent[0], pix_colors[Color_border]);
2492 XClearWindow (display->display, TermWin.parent[0]);
2493 XSetWindowBackground (display->display, TermWin.vt, pix_colors[Color_bg]);
2494#if HAVE_SCROLLBARS
2495 if (scrollBar.win)
2496 {
2497 XSetWindowBackground (display->display, scrollBar.win, pix_colors[Color_border]);
2498 scrollBar.setIdle ();
2499 scrollbar_show (0);
2500 } 2547 {
2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2550 }
2551 }
2552 else
2501#endif 2553#endif
2502 } 2554 {
2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2557 }
2503 2558
2559 XClearWindow (dpy, parent);
2560
2561 if (scrollBar.state && scrollBar.win)
2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2567 scrollBar.state = SB_STATE_IDLE;
2568 scrollBar.show (0);
2569 }
2570
2571 if (refresh)
2572 {
2504 scr_clear (); 2573 scr_clear ();
2505 scr_touch (true); 2574 scr_touch (true);
2575 }
2506 want_refresh = 1; 2576 want_refresh = 1;
2507} 2577}
2508 2578
2509/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2510void 2580void
2511rxvt_term::scr_clear (bool really) 2581rxvt_term::scr_clear (bool really) noexcept
2512{ 2582{
2513 if (!TermWin.mapped) 2583 if (!mapped)
2514 return; 2584 return;
2515 2585
2516 num_scr_allow = 0; 2586 num_scr_allow = 0;
2517 want_refresh = 1; 2587 want_refresh = 1;
2518 2588
2519#if TRANSPARENT 2589 if (really)
2520 if ((options & Opt_transparent) && (am_pixmap_trans == 0)) 2590 XClearWindow (dpy, vt);
2591}
2592
2593void
2594rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2595{
2596 int view_end = view_start + nrow;
2597 int row, col;
2598
2599 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2600 {
2601 text_t *stp = ROW(row).t;
2602 rend_t *srp = ROW(row).r;
2603
2604 for (col = beg_col; col < end_col; col++)
2605 srp[col] ^= rstyle1;
2606
2607 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2608 srp[col] ^= rstyle2;
2609
2610 if (++col < end_col)
2611 srp[col] ^= rstyle2;
2521 { 2612 }
2522 int i; 2613}
2523 2614
2524 if (!(options & Opt_transparent_all)) 2615void
2616rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2617{
2618 int view_end = view_start + nrow;
2619 int row, col;
2620
2621 if (beg_row >= view_start)
2622 {
2623 col = beg_col;
2624 row = beg_row;
2625 }
2626 else
2627 {
2525 i = 0; 2628 col = 0;
2629 row = view_start;
2630 }
2631
2632 for (; row < min (end_row, view_end); row++, col = 0)
2633 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2634 srp[col] ^= rstyle;
2635
2636 if (row == end_row)
2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2638 srp[col] ^= rstyle;
2639}
2640
2641/* ------------------------------------------------------------------------- */
2642void ecb_hot
2643rxvt_term::scr_reverse_selection () noexcept
2644{
2645 if (selection.op
2646 && current_screen == selection.screen
2647 && selection.end.row >= view_start)
2648 {
2649#if !ENABLE_MINIMAL
2650 if (selection.rect)
2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2652 selection.end.row, selection.end.col,
2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2526 else 2654 else
2527 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2528
2529 while (i--)
2530 if (TermWin.parent[i] != None)
2531 XClearWindow (display->display, TermWin.parent[i]);
2532 }
2533#endif 2655#endif
2534 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2535 if (really) 2657 selection.end.row, selection.end.col,
2536 XClearWindow (display->display, TermWin.vt); 2658 RS_Sel | RS_RVid);
2537}
2538
2539/* ------------------------------------------------------------------------- */
2540void
2541rxvt_term::scr_reverse_selection ()
2542{
2543 if (selection.op && current_screen == selection.screen)
2544 {
2545 int end_row = TermWin.saveLines - TermWin.view_start;
2546 int i = selection.beg.row + TermWin.saveLines;
2547 int col, row = selection.end.row + TermWin.saveLines;
2548 rend_t *srp;
2549
2550#if ENABLE_FRILLS
2551 if (selection.rect)
2552 {
2553 end_row += TermWin.nrow;
2554
2555 for (; i <= row && i <= end_row; i++)
2556 for (srp = screen.rend[i], col = selection.beg.col; col < selection.end.col; col++)
2557 srp[col] ^= RS_RVid;
2558 }
2559 else
2560#endif
2561 {
2562 if (i >= end_row)
2563 col = selection.beg.col;
2564 else
2565 {
2566 col = 0;
2567 i = end_row;
2568 }
2569
2570 end_row += TermWin.nrow;
2571
2572 for (; i < row && i < end_row; i++, col = 0)
2573 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2574 srp[col] ^= RS_RVid;
2575
2576 if (i == row && i < end_row)
2577 for (srp = screen.rend[i]; col < selection.end.col; col++)
2578 srp[col] ^= RS_RVid;
2579 }
2580 } 2659 }
2581} 2660}
2582 2661
2583/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2584/* 2663/*
2585 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2586 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2587 */ 2666 */
2588#if 0 2667#if 0
2589void 2668void
2590rxvt_term::scr_dump (int fd) 2669rxvt_term::scr_dump (int fd) noexcept
2591{ 2670{
2592 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2593 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2594 char r1[] = "\n";
2595
2596 for (row = TermWin.saveLines - TermWin.nscrolled;
2597 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2598 {
2599 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2600 : TermWin.ncol;
2601 for (towrite = width; towrite; towrite -= wrote)
2602 {
2603 wrote = write (fd, & (screen.text[row][width - towrite]),
2604 towrite);
2605 if (wrote < 0)
2606 return; /* XXX: death, no report */
2607 }
2608 if (screen.tlen[row] >= 0)
2609 if (write (fd, r1, 1) <= 0)
2610 return; /* XXX: death, no report */
2611 }
2612} 2673}
2613#endif 2674#endif
2614 2675
2615/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2616 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2617 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2618
2619/*
2620 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2621 */
2622void 2679void
2623rxvt_term::selection_check (int check_more) 2680rxvt_term::selection_check (int check_more) noexcept
2624{ 2681{
2625 row_col_t pos;
2626
2627 if (!selection.op) 2682 if (!selection.op)
2628 return; 2683 return;
2629 2684
2630 pos.row = pos.col = 0; 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2631 if ((selection.beg.row < - (int32_t)TermWin.nscrolled) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2632 || (selection.beg.row >= TermWin.nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2633 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2634 || (selection.mark.row >= TermWin.nrow)
2635 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2636 || (selection.end.row >= TermWin.nrow)
2637 || (check_more == 1 2688 || (check_more == 1
2638 && current_screen == selection.screen 2689 && current_screen == selection.screen
2639 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2640 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2641 || (check_more == 2
2642 && ROWCOL_IS_BEFORE (selection.beg, pos)
2643 && ROWCOL_IS_AFTER (selection.end, pos))
2644 || (check_more == 3
2645 && ROWCOL_IS_AFTER (selection.end, pos))
2646 || (check_more == 4 /* screen width change */
2647 && (selection.beg.row != selection.end.row
2648 || selection.end.col > TermWin.ncol)))
2649 CLEAR_SELECTION (); 2692 CLEAR_ALL_SELECTION ();
2693}
2694
2695void
2696rxvt_term::selection_changed () noexcept
2697{
2698 line_t &r1 = ROW (selection.beg.row);
2699 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2700 ++selection.beg.col;
2701
2702 line_t &r2 = ROW (selection.end.row);
2703 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2704 ++selection.end.col;
2705
2706 want_refresh = 1;
2650} 2707}
2651 2708
2652/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2653/* 2710/*
2654 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2655 */ 2712 */
2656void 2713void
2657rxvt_term::paste (const unsigned char *data, unsigned int len) 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2658{ 2715{
2659 unsigned int i, j, n;
2660 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2661
2662 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2663 for (i = 0; i < len; i += PROP_SIZE) 2717 for (unsigned int i = 0; i < len; i++)
2664 {
2665 n = min (len - i, PROP_SIZE);
2666 memcpy (ds, data + i, n);
2667
2668 for (j = 0; j < n; j++)
2669 if (ds[j] == C0_LF) 2718 if (data[i] == C0_LF)
2670 ds[j] = C0_CR; 2719 data[i] = C0_CR;
2671 2720
2672 tt_write (ds, (int)n); 2721 #if ENABLE_FRILLS
2673 } 2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2723 tt_printf ("\x1b[200~");
2724 #endif
2674 2725
2675 free (ds); 2726 tt_write (data, len);
2676}
2677 2727
2678/* ------------------------------------------------------------------------- */ 2728 #if ENABLE_FRILLS
2679/* 2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2680 * Respond to a notification that a primary selection has been sent 2730 tt_printf ("\x1b[201~");
2681 * EXT: SelectionNotify 2731 #endif
2682 */
2683int
2684rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2685{
2686 long nread = 0;
2687 unsigned long bytes_after;
2688 XTextProperty ct;
2689
2690 if (prop == None) /* check for failed XConvertSelection */
2691 {
2692 if ((selection_type & Sel_CompoundText))
2693 {
2694 int selnum = selection_type & Sel_whereMask;
2695
2696 selection_type = 0;
2697 if (selnum != Sel_direct)
2698 selection_request_other (XA_STRING, selnum);
2699 }
2700
2701 if ((selection_type & Sel_UTF8String))
2702 {
2703 int selnum = selection_type & Sel_whereMask;
2704
2705 selection_type = Sel_CompoundText;
2706 if (selnum != Sel_direct)
2707 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2708 else
2709 selection_type = 0;
2710 }
2711
2712 return 0;
2713 }
2714
2715 for (;;)
2716 {
2717 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2718 (long) (PROP_SIZE / 4), delete_prop,
2719 AnyPropertyType, &ct.encoding, &ct.format,
2720 &ct.nitems, &bytes_after,
2721 &ct.value) != Success)
2722 break;
2723
2724 if (ct.encoding == 0)
2725 break;
2726
2727 if (ct.encoding == xa[XA_INCR])
2728 {
2729 // INCR selection, start handshake
2730 XDeleteProperty (display->display, win, prop);
2731 selection_wait = Sel_incr;
2732 incr_ev.start (NOW + 10);
2733 break;
2734 }
2735
2736 if (ct.value == NULL)
2737 continue;
2738
2739 if (ct.nitems == 0)
2740 {
2741 if (selection_wait == Sel_normal && nread == 0
2742 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2743 {
2744 /*
2745 * pass through again trying CUT_BUFFER0 if we've come from
2746 * XConvertSelection () but nothing was presented
2747 */
2748 selection_paste (display->root, XA_CUT_BUFFER0, False);
2749 }
2750
2751 nread = -1; /* discount any previous stuff */
2752 break;
2753 }
2754
2755 nread += ct.nitems;
2756
2757 char **cl;
2758 int cr;
2759 if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0 && cl)
2760 {
2761 for (int i = 0; i < cr; i++)
2762 paste ((unsigned char *)cl[i], strlen (cl[i]));
2763
2764 XFreeStringList (cl);
2765 }
2766 else
2767 paste (ct.value, ct.nitems);
2768
2769 if (bytes_after == 0)
2770 break;
2771
2772 XFree (ct.value);
2773 }
2774
2775 if (ct.value)
2776 XFree (ct.value);
2777
2778 if (selection_wait == Sel_normal)
2779 selection_wait = Sel_none;
2780
2781 return (int)nread;
2782} 2732}
2783 2733
2784void 2734void
2785rxvt_term::incr_cb (time_watcher &w) 2735rxvt_term::paste (char *data, unsigned int len) noexcept
2786{ 2736{
2787 selection_wait = Sel_none; 2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2788
2789 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2790}
2791
2792/*
2793 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2794 */
2795void
2796rxvt_term::selection_property (Window win, Atom prop)
2797{
2798 if (prop == None || selection_wait != Sel_incr)
2799 return; 2738 return;
2800 2739
2801 if (selection_paste (win, prop, 1) > 0) 2740 tt_paste (data, len);
2802 incr_ev.start (NOW + 10);
2803 else
2804 {
2805 selection_wait = Sel_none;
2806 incr_ev.stop ();
2807 }
2808} 2741}
2809 2742
2810/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2811/* 2744/*
2812 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2813 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2814 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2815 * > CUT_BUFFER0
2816 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2817 * will auto fallback to CUT_BUFFER0
2818 * EXT: button 2 release 2748 * EXT: button 2 release
2819 */ 2749 */
2820void 2750void
2821rxvt_term::selection_request (Time tm, int x, int y) 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2822{ 2752{
2823 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2824 return; /* outside window */
2825
2826 if (selection.text) 2753 if (!selection_req)
2827 { /* internal selection */
2828 char *str = rxvt_wcstombs (selection.text, selection.len);
2829 paste ((unsigned char *)str, strlen (str));
2830 free (str);
2831 return;
2832 } 2754 {
2833 else 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2756 selection_req->run ();
2834 { 2757 }
2835 int i;
2836
2837 selection_request_time = tm;
2838 selection_wait = Sel_normal;
2839
2840 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2841 {
2842#if X_HAVE_UTF8_STRING
2843 selection_type = Sel_UTF8String;
2844 if (selection_request_other (xa[XA_UTF8_STRING], i))
2845 return;
2846#else
2847 selection_type = Sel_CompoundText;
2848 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2849 return;
2850#endif
2851
2852 }
2853 }
2854
2855 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2856 selection_paste (display->root, XA_CUT_BUFFER0, False);
2857}
2858
2859int
2860rxvt_term::selection_request_other (Atom target, int selnum)
2861{
2862 Atom sel;
2863#ifdef DEBUG_SELECT
2864 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2865#endif
2866
2867 selection_type |= selnum;
2868
2869 if (selnum == Sel_Primary)
2870 sel = XA_PRIMARY;
2871 else if (selnum == Sel_Secondary)
2872 sel = XA_SECONDARY;
2873 else
2874 sel = xa[XA_CLIPBOARD];
2875
2876 if (XGetSelectionOwner (display->display, sel) != None)
2877 {
2878 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2879 TermWin.vt, selection_request_time);
2880 return 1;
2881 }
2882
2883 return 0;
2884} 2758}
2885 2759
2886/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2887/* 2761/*
2888 * Clear all selected text 2762 * Clear all selected text
2889 * EXT: SelectionClear 2763 * EXT: SelectionClear
2890 */ 2764 */
2891void 2765void
2892rxvt_term::selection_clear () 2766rxvt_term::selection_clear (bool clipboard) noexcept
2893{ 2767{
2768 if (!clipboard)
2769 {
2894 want_refresh = 1; 2770 want_refresh = 1;
2895 free (selection.text); 2771 free (selection.text);
2896 selection.text = NULL; 2772 selection.text = NULL;
2897 selection.len = 0; 2773 selection.len = 0;
2898 CLEAR_SELECTION (); 2774 CLEAR_SELECTION ();
2899 2775
2900 if (display->selection_owner == this) 2776 if (display->selection_owner == this)
2901 display->selection_owner = 0; 2777 display->selection_owner = 0;
2778 }
2779 else
2780 {
2781 free (selection.clip_text);
2782 selection.clip_text = NULL;
2783 selection.clip_len = 0;
2784
2785 if (display->clipboard_owner == this)
2786 display->clipboard_owner = 0;
2787 }
2902} 2788}
2903 2789
2904/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2905/* 2791/*
2906 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2907 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2908 */ 2794 */
2909void 2795void
2910rxvt_term::selection_make (Time tm) 2796rxvt_term::selection_make (Time tm)
2911{ 2797{
2912 int i, col, end_col, row, end_row; 2798 int size;
2913 wchar_t *new_selection_text; 2799 wchar_t *new_selection_text;
2914 text_t *t; 2800 text_t *t;
2915 2801
2916 switch (selection.op) 2802 switch (selection.op)
2917 { 2803 {
… …
2930 selection.op = SELECTION_DONE; 2816 selection.op = SELECTION_DONE;
2931 2817
2932 if (selection.clicks == 4) 2818 if (selection.clicks == 4)
2933 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2934 2820
2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2822 return;
2823
2935 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1); 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2936 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2937 2826
2938 col = selection.beg.col;
2939 row = selection.beg.row + TermWin.saveLines;
2940 end_row = selection.end.row + TermWin.saveLines;
2941 int ofs = 0; 2827 int ofs = 0;
2942 int extra = 0; 2828 int extra = 0;
2943 2829
2830 int col = selection.beg.col;
2831 int row = selection.beg.row;
2832
2833 int end_col;
2834
2944 for (; row <= end_row; row++, col = 0) 2835 for (; row <= selection.end.row; row++, col = 0)
2945 { 2836 {
2946 end_col = screen.tlen[row]; 2837#if !ENABLE_MINIMAL
2947
2948#if ENABLE_FRILLS
2949 if (selection.rect) 2838 if (selection.rect)
2950 { 2839 {
2951 col = selection.beg.col; 2840 col = selection.beg.col;
2952 end_col = TermWin.ncol + 1;
2953 }
2954#endif
2955
2956 MAX_IT (col, 0);
2957
2958 if (end_col == -1)
2959 end_col = TermWin.ncol; 2841 end_col = selection.end.col;
2842 }
2843 else
2844#endif
2845 end_col = ROW(row).l;
2960 2846
2961 if (row == end_row || selection.rect) 2847 col = max (col, 0);
2848
2849 if (row == selection.end.row)
2962 MIN_IT (end_col, selection.end.col); 2850 min_it (end_col, selection.end.col);
2963 2851
2964 t = &screen.text[row][col]; 2852 t = ROW(row).t + col;
2853
2965 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
2966 { 2855 {
2967 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2968 t++; 2857 t++;
2969#if ENABLE_COMBINING 2858#if ENABLE_COMBINING
2970 else if (IS_COMPOSE (*t)) 2859 else if (IS_COMPOSE (*t))
2971 { 2860 {
2972 int len = rxvt_composite.expand (*t, 0); 2861 int len = rxvt_composite.expand (*t);
2973 2862
2974 extra -= (len - 1); 2863 extra -= (len - 1);
2975 2864
2976 if (extra < 0) 2865 if (extra < 0)
2977 { 2866 {
2978 extra += i; 2867 extra += size;
2979 i += i; 2868 size += size;
2980 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2869 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2981 } 2870 }
2982 2871
2983 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2984 } 2873 }
2985#endif 2874#endif
2986 else 2875 else
2987 new_selection_text[ofs++] = *t++; 2876 new_selection_text[ofs++] = *t++;
2988 } 2877 }
2989 2878
2990 if (screen.tlen[row] != -1 && row != end_row) 2879#if !ENABLE_MINIMAL
2880 if (selection.rect)
2881 {
2882 while (ofs
2883 && new_selection_text[ofs - 1] != C0_LF
2884 && unicode::is_space (new_selection_text[ofs - 1]))
2885 --ofs;
2886
2991 new_selection_text[ofs++] = C0_LF; 2887 new_selection_text[ofs++] = C0_LF;
2992 } 2888 }
2993 2889 else
2994 if (end_col != selection.end.col) 2890#endif
2891 if (!ROW(row).is_longer ()
2892 && (row != selection.end.row || end_col != selection.end.col)
2893 && (row != selection.beg.row || selection.beg.col < ncol))
2995 new_selection_text[ofs++] = C0_LF; 2894 new_selection_text[ofs++] = C0_LF;
2895 }
2996 2896
2997 new_selection_text[ofs] = 0; 2897 new_selection_text[ofs] = 0;
2998 2898
2999 if (ofs == 0) 2899 if (ofs == 0)
3000 { 2900 {
… …
3006 2906
3007 // we usually allocate much more than necessary, so realloc it smaller again 2907 // we usually allocate much more than necessary, so realloc it smaller again
3008 selection.len = ofs; 2908 selection.len = ofs;
3009 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 2909 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
3010 2910
3011 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm); 2911 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
3012 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt) 2912 return;
3013 display->set_selection_owner (this); 2913
2914 selection_grab (tm);
2915}
2916
2917bool
2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
2924 selection_time = tm;
2925 sel = XA_PRIMARY;
2926 }
3014 else 2927 else
3015 rxvt_warn ("can't get primary selection, ignoring.\n"); 2928 {
2929 clipboard_time = tm;
2930 sel = xa[XA_CLIPBOARD];
2931 }
2932
2933 XSetSelectionOwner (dpy, sel, vt, tm);
2934 if (XGetSelectionOwner (dpy, sel) == vt)
2935 {
2936 display->set_selection_owner (this, clipboard);
2937 return true;
2938 }
2939 else
2940 {
2941 selection_clear (clipboard);
2942 return false;
2943 }
3016 2944
3017#if 0 2945#if 0
3018 XTextProperty ct; 2946 XTextProperty ct;
3019 2947
3020 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 2948 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
3021 { 2949 {
3022 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8, 2950 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
3023 PropModeReplace, ct.value, ct.nitems);
3024 XFree (ct.value); 2951 XFree (ct.value);
3025 } 2952 }
3026#endif 2953#endif
3027
3028 selection_time = tm;
3029} 2954}
3030 2955
3031/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
3032/* 2957/*
3033 * Mark or select text based upon number of clicks: 1, 2, or 3 2958 * Mark or select text based upon number of clicks: 1, 2, or 3
3034 * EXT: button 1 press 2959 * EXT: button 1 press
3035 */ 2960 */
3036void 2961void ecb_cold
3037rxvt_term::selection_click (int clicks, int x, int y) 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
3038{ 2963{
3039 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
3040 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
3041 2966
2967 if (clicks == 2 && !selection.rect
2968 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2969 {
2970 MEvent.clicks = 1; // what a mess
2971 selection.screen = current_screen;
2972 selection.op = SELECTION_CONT;
2973 return;
2974 }
2975
3042 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 2976 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3043 2977
3044 if (clicks == 2 || clicks == 3) 2978 if (clicks == 2 || clicks == 3)
3045 selection_extend_colrow (selection.mark.col, 2979 selection_extend_colrow (selection.mark.col,
3046 selection.mark.row + TermWin.view_start, 2980 selection.mark.row - view_start,
3047 0, /* button 3 */ 2981 0, /* button 3 */
3048 1, /* button press */ 2982 1, /* button press */
3049 0); /* click change */ 2983 0); /* click change */
3050} 2984}
3051 2985
3052/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
3053/* 2987/*
3054 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
3055 */ 2989 */
3056void 2990void ecb_cold
3057rxvt_term::selection_start_colrow (int col, int row) 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
3058{ 2992{
3059 want_refresh = 1; 2993 want_refresh = 1;
2994
2995 selection.mark.row = row + view_start;
3060 selection.mark.col = col; 2996 selection.mark.col = col;
3061 selection.mark.row = row - TermWin.view_start;
3062 2997
3063 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled); 2998 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3064 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1); 2999 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3065 MAX_IT (selection.mark.col, 0);
3066 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1);
3067 3000
3068 while (selection.mark.col > 0 3001 while (selection.mark.col > 0
3069 && screen.text[selection.mark.row + TermWin.saveLines][selection.mark.col] == NOCHAR) 3002 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3070 --selection.mark.col; 3003 --selection.mark.col;
3071 3004
3072 if (selection.op) 3005 if (selection.op)
3006 {
3073 { /* clear the old selection */ 3007 /* clear the old selection */
3074 selection.beg.row = selection.end.row = selection.mark.row; 3008 selection.beg.row = selection.end.row = selection.mark.row;
3075 selection.beg.col = selection.end.col = selection.mark.col; 3009 selection.beg.col = selection.end.col = selection.mark.col;
3076 } 3010 }
3077 3011
3078 selection.op = SELECTION_INIT; 3012 selection.op = SELECTION_INIT;
… …
3084 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
3085 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
3086 */ 3020 */
3087 3021
3088/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3022/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3089#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
3090 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3091#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
3092 3026
3093void 3027void ecb_cold
3094rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3028rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3095{ 3029{
3096 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
3097 row_col_t bound; 3031 row_col_t bound;
3098 text_t *stp; 3032 text_t *stp;
3099 rend_t *srp; 3033 rend_t *srp;
3100 3034
3101 if (dirn == UP) 3035 if (dirn == UP)
3102 { 3036 {
3103 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3037 bound.row = top_row - 1;
3104 bound.col = 0; 3038 bound.col = 0;
3105 dirnadd = -1; 3039 dirnadd = -1;
3106 } 3040 }
3107 else 3041 else
3108 { 3042 {
3109 bound.row = TermWin.saveLines + TermWin.nrow; 3043 bound.row = nrow;
3110 bound.col = TermWin.ncol - 1; 3044 bound.col = ncol - 1;
3111 dirnadd = 1; 3045 dirnadd = 1;
3112 } 3046 }
3113 3047
3114 row = mark->row + TermWin.saveLines; 3048 row = mark->row;
3115 col = mark->col; 3049 col = max (mark->col, 0);
3116 MAX_IT (col, 0); 3050
3117 /* find the edge of a word */ 3051 /* find the edge of a word */
3118 stp = &screen.text[row][col]; 3052 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
3119 w1 = DELIMIT_TEXT (*stp); 3053 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
3120
3121 srp = &screen.rend[row][col];
3122 w2 = DELIMIT_REND (*srp);
3123 3054
3124 for (;;) 3055 for (;;)
3125 { 3056 {
3126 for (; col != bound.col; col += dirnadd) 3057 for (; col != bound.col; col += dirnadd)
3127 { 3058 {
… …
3137 break; 3068 break;
3138 } 3069 }
3139 3070
3140 if ((col == bound.col) && (row != bound.row)) 3071 if ((col == bound.col) && (row != bound.row))
3141 { 3072 {
3142 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1) 3073 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3143 { 3074 {
3144 trow = row + dirnadd; 3075 trow = row + dirnadd;
3145 tcol = dirn == UP ? TermWin.ncol - 1 : 0; 3076 tcol = dirn == UP ? ncol - 1 : 0;
3146 3077
3147 if (screen.text[trow] == NULL) 3078 if (!ROW(trow).t)
3148 break; 3079 break;
3149 3080
3150 stp = & (screen.text[trow][tcol]); 3081 stp = ROW(trow).t + tcol;
3151 srp = & (screen.rend[trow][tcol]); 3082 srp = ROW(trow).r + tcol;
3152 3083
3153 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) 3084 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3154 break; 3085 break;
3155 3086
3156 row = trow; 3087 row = trow;
… …
3159 } 3090 }
3160 } 3091 }
3161 break; 3092 break;
3162 } 3093 }
3163 3094
3164Old_Word_Selection_You_Die:
3165 if (dirn == DN) 3095 if (dirn == DN)
3166 col++; /* put us on one past the end */ 3096 col++; /* put us on one past the end */
3167 3097
3168 /* Poke the values back in */ 3098 /* Poke the values back in */
3169 ret->row = row - TermWin.saveLines; 3099 ret->row = row;
3170 ret->col = col; 3100 ret->col = col;
3171} 3101}
3172 3102
3173/* ------------------------------------------------------------------------- */ 3103/* ------------------------------------------------------------------------- */
3174/* 3104/*
… …
3176 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
3177 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
3178 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
3179 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
3180 */ 3110 */
3181void 3111void ecb_cold
3182rxvt_term::selection_extend (int x, int y, int flag) 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
3183{ 3113{
3184 int col, row; 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3185 3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3186 col = Pixel2Col (x);
3187 row = Pixel2Row (y);
3188 MAX_IT (row, 0);
3189 MIN_IT (row, (int)TermWin.nrow - 1);
3190 MAX_IT (col, 0);
3191 MIN_IT (col, (int)TermWin.ncol);
3192 3116
3193 /* 3117 /*
3194 * If we're selecting characters (single click) then we must check first 3118 * If we're selecting characters (single click) then we must check first
3195 * if we are at the same place as the original mark. If we are then 3119 * if we are at the same place as the original mark. If we are then
3196 * select nothing. Otherwise, if we're to the right of the mark, you have to 3120 * select nothing. Otherwise, if we're to the right of the mark, you have to
3197 * be _past_ a character for it to be selected. 3121 * be _past_ a character for it to be selected.
3198 */ 3122 */
3199 if (((selection.clicks % 3) == 1) && !flag 3123 if (((selection.clicks % 3) == 1) && !flag
3200 && (col == selection.mark.col 3124 && (col == selection.mark.col
3201 && (row == selection.mark.row + TermWin.view_start))) 3125 && (row == selection.mark.row - view_start)))
3202 { 3126 {
3203 /* select nothing */ 3127 /* select nothing */
3204 selection.beg.row = selection.end.row = 0; 3128 selection.beg.row = selection.end.row = 0;
3205 selection.beg.col = selection.end.col = 0; 3129 selection.beg.col = selection.end.col = 0;
3206 selection.clicks = 4; 3130 selection.clicks = 4;
… …
3218 3142
3219/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3220/* 3144/*
3221 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3222 */ 3146 */
3223void 3147void ecb_cold
3224rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3148rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3225{ 3149{
3226 int16_t ncol = TermWin.ncol;
3227 int end_col;
3228 row_col_t pos; 3150 row_col_t pos;
3229 enum { 3151 enum {
3230 LEFT, RIGHT 3152 LEFT, RIGHT
3231 } closeto = RIGHT; 3153 } closeto = RIGHT;
3232
3233 want_refresh = 1;
3234 3154
3235 switch (selection.op) 3155 switch (selection.op)
3236 { 3156 {
3237 case SELECTION_INIT: 3157 case SELECTION_INIT:
3238 CLEAR_SELECTION (); 3158 CLEAR_SELECTION ();
… …
3263 selection.beg.col = selection.end.col = selection.mark.col; 3183 selection.beg.col = selection.end.col = selection.mark.col;
3264 selection.beg.row = selection.end.row = selection.mark.row; 3184 selection.beg.row = selection.end.row = selection.mark.row;
3265 } 3185 }
3266 3186
3267 pos.col = col; 3187 pos.col = col;
3268 pos.row = row; 3188 pos.row = view_start + row;
3269
3270 pos.row -= TermWin.view_start; /* adjust for scroll */
3271 3189
3272 /* 3190 /*
3273 * This is mainly xterm style selection with a couple of differences, mainly 3191 * This is mainly xterm style selection with a couple of differences, mainly
3274 * in the way button3 drag extension works. 3192 * in the way button3 drag extension works.
3275 * We're either doing: button1 drag; button3 press; or button3 drag 3193 * 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 3199 * 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 3200 * and it was decided by whichever point/word/line was `fixed' at the
3283 * time of the most recent button3 press 3201 * time of the most recent button3 press
3284 */ 3202 */
3285 if (button3 && buttonpress) 3203 if (button3 && buttonpress)
3204 {
3286 { /* button3 press */ 3205 /* button3 press */
3287 /* 3206 /*
3288 * first determine which edge of the selection we are closest to 3207 * first determine which edge of the selection we are closest to
3289 */ 3208 */
3290 if (ROWCOL_IS_BEFORE (pos, selection.beg) 3209 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3291 || (!ROWCOL_IS_AFTER (pos, selection.end) 3210 || (!ROWCOL_IS_AFTER (pos, selection.end)
… …
3309 selection.mark.row = selection.beg.row; 3228 selection.mark.row = selection.beg.row;
3310 selection.mark.col = selection.beg.col; 3229 selection.mark.col = selection.beg.col;
3311 } 3230 }
3312 } 3231 }
3313 else 3232 else
3233 {
3314 { /* button1 drag or button3 drag */ 3234 /* button1 drag or button3 drag */
3315 if (ROWCOL_IS_AFTER (selection.mark, pos)) 3235 if (ROWCOL_IS_AFTER (selection.mark, pos))
3316 { 3236 {
3317 if (selection.mark.row == selection.end.row 3237 if (selection.mark.row == selection.end.row
3318 && selection.mark.col == selection.end.col 3238 && selection.mark.col == selection.end.col
3319 && clickchange 3239 && clickchange
… …
3334 } 3254 }
3335 } 3255 }
3336 3256
3337 if (selection.clicks == 1) 3257 if (selection.clicks == 1)
3338 { 3258 {
3339 end_col = screen.tlen[selection.beg.row + TermWin.saveLines]; 3259 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3340 3260 && !ROW(selection.beg.row).is_longer ()
3341 if (selection.beg.col > end_col 3261#if !ENABLE_MINIMAL
3342 && end_col != -1
3343#if ENABLE_FRILLS
3344 && !selection.rect 3262 && !selection.rect
3345#endif 3263#endif
3346 ) 3264 )
3347 selection.beg.col = ncol; 3265 selection.beg.col = ncol;
3348 3266
3349 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3350
3351 if ( 3267 if (
3352 selection.end.col > end_col 3268 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3353 && end_col != -1 3269 && !ROW(selection.end.row).is_longer ()
3354#if ENABLE_FRILLS 3270#if !ENABLE_MINIMAL
3355 && !selection.rect 3271 && !selection.rect
3356#endif 3272#endif
3357 ) 3273 )
3358 selection.end.col = ncol; 3274 selection.end.col = ncol;
3359 } 3275 }
… …
3366 selection_delimit_word (DN, &selection.end, &selection.end); 3282 selection_delimit_word (DN, &selection.end, &selection.end);
3367 } 3283 }
3368 else if (selection.clicks == 3) 3284 else if (selection.clicks == 3)
3369 { 3285 {
3370#if ENABLE_FRILLS 3286#if ENABLE_FRILLS
3371 if ((options & Opt_tripleclickwords)) 3287 if (option (Opt_tripleclickwords))
3372 { 3288 {
3373 int end_row;
3374
3375 selection_delimit_word (UP, &selection.beg, &selection.beg); 3289 selection_delimit_word (UP, &selection.beg, &selection.beg);
3376 end_row = screen.tlen[selection.mark.row + TermWin.saveLines];
3377 3290
3378 for (end_row = selection.mark.row; end_row < TermWin.nrow; end_row++) 3291 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3379 { 3292 {
3380 end_col = screen.tlen[end_row + TermWin.saveLines]; 3293 if (!ROW(end_row).is_longer ())
3381
3382 if (end_col != -1)
3383 { 3294 {
3384 selection.end.row = end_row; 3295 selection.end.row = end_row;
3385 selection.end.col = end_col; 3296 selection.end.col = ROW(end_row).l;
3297# if !ENABLE_MINIMAL
3386 selection_remove_trailing_spaces (); 3298 selection_remove_trailing_spaces ();
3299# endif
3387 break; 3300 break;
3388 } 3301 }
3389 } 3302 }
3390 } 3303 }
3391 else 3304 else
… …
3394 if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) 3307 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3395 selection.mark.col++; 3308 selection.mark.col++;
3396 3309
3397 selection.beg.col = 0; 3310 selection.beg.col = 0;
3398 selection.end.col = ncol; 3311 selection.end.col = ncol;
3312
3313 // select a complete logical line
3314 while (selection.beg.row > -saveLines
3315 && ROW(selection.beg.row - 1).is_longer ())
3316 selection.beg.row--;
3317
3318 while (selection.end.row < nrow
3319 && ROW(selection.end.row).is_longer ())
3320 selection.end.row++;
3399 } 3321 }
3400 } 3322 }
3401 3323
3402 if (button3 && buttonpress) 3324 if (button3 && buttonpress)
3325 {
3403 { /* mark may need to be changed */ 3326 /* mark may need to be changed */
3404 if (closeto == LEFT) 3327 if (closeto == LEFT)
3405 { 3328 {
3406 selection.mark.row = selection.end.row; 3329 selection.mark.row = selection.end.row;
3407 selection.mark.col = selection.end.col - (selection.clicks == 2); 3330 selection.mark.col = selection.end.col - (selection.clicks == 2);
3408 } 3331 }
… …
3411 selection.mark.row = selection.beg.row; 3334 selection.mark.row = selection.beg.row;
3412 selection.mark.col = selection.beg.col; 3335 selection.mark.col = selection.beg.col;
3413 } 3336 }
3414 } 3337 }
3415 3338
3416#if ENABLE_FRILLS 3339#if !ENABLE_MINIMAL
3417 if (selection.rect && selection.beg.col > selection.end.col) 3340 if (selection.rect && selection.beg.col > selection.end.col)
3418 SWAP_IT (selection.beg.col, selection.end.col, int); 3341 ::swap (selection.beg.col, selection.end.col);
3419#endif 3342#endif
3420}
3421 3343
3422#if ENABLE_FRILLS 3344 selection_changed ();
3423void 3345}
3346
3347#if !ENABLE_MINIMAL
3348void ecb_cold
3424rxvt_term::selection_remove_trailing_spaces () 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3425{ 3350{
3426 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3427 text_t *stp; 3352 text_t *stp;
3428 3353
3429 end_col = selection.end.col; 3354 end_col = selection.end.col;
3430 end_row = selection.end.row; 3355 end_row = selection.end.row;
3431 3356
3432 for ( ; end_row >= selection.beg.row; ) 3357 for (; end_row >= selection.beg.row; )
3433 { 3358 {
3434 stp = screen.text[end_row + TermWin.saveLines]; 3359 stp = ROW(end_row).t;
3435 3360
3436 while (--end_col >= 0) 3361 while (--end_col >= 0)
3437 { 3362 {
3438 if (stp[end_col] != ' ' 3363 if (stp[end_col] != NOCHAR
3439 && stp[end_col] != '\t' 3364 && !unicode::is_space (stp[end_col]))
3440 && stp[end_col] != NOCHAR)
3441 break; 3365 break;
3442 } 3366 }
3443 3367
3444 if (end_col >= 0 3368 if (end_col >= 0
3445 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) 3369 || !ROW(end_row - 1).is_longer ())
3446 { 3370 {
3447 selection.end.col = end_col + 1; 3371 selection.end.col = end_col + 1;
3448 selection.end.row = end_row; 3372 selection.end.row = end_row;
3449 break; 3373 break;
3450 } 3374 }
3451 3375
3452 end_row--; 3376 end_row--;
3453 end_col = TermWin.ncol; 3377 end_col = ncol;
3454 } 3378 }
3455 3379
3456 if (selection.mark.row > selection.end.row) 3380 if (selection.mark.row > selection.end.row)
3457 { 3381 {
3458 selection.mark.row = selection.end.row; 3382 selection.mark.row = selection.end.row;
… …
3467/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3468/* 3392/*
3469 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3470 * EXT: button 3 double click 3394 * EXT: button 3 double click
3471 */ 3395 */
3472void 3396void ecb_cold
3473rxvt_term::selection_rotate (int x, int y) 3397rxvt_term::selection_rotate (int x, int y) noexcept
3474{ 3398{
3475 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3476 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3477} 3401}
3478 3402
3479/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3480/* 3404/*
3481 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3482 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3483 */ 3407 */
3484void 3408void ecb_cold
3485rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3486{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3487 XSelectionEvent ev; 3412 XSelectionEvent ev;
3488 XTextProperty ct;
3489 XICCEncodingStyle style;
3490 Atom target;
3491 3413
3492 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3493 ev.property = None; 3415 ev.property = None;
3494 ev.display = rq.display; 3416 ev.display = rq.display;
3495 ev.requestor = rq.requestor; 3417 ev.requestor = rq.requestor;
… …
3509 *target++ = xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3510#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3511 *target++ = xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3512#endif 3434#endif
3513 3435
3514 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3515 32, PropModeReplace, 3437 32, PropModeReplace,
3516 (unsigned char *)target_list, target - target_list); 3438 (unsigned char *)target_list, target - target_list);
3517 ev.property = rq.property; 3439 ev.property = property;
3518 } 3440 }
3519#if TODO // TODO 3441#if TODO // TODO
3520 else if (rq.target == xa[XA_MULTIPLE]) 3442 else if (rq.target == xa[XA_MULTIPLE])
3521 { 3443 {
3522 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3523 } 3445 }
3524#endif 3446#endif
3525 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3526 { 3448 {
3527 XChangeProperty (display->display, rq.requestor, rq.property, rq.target, 3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3528 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3529 ev.property = rq.property; 3451 ev.property = property;
3452 }
3453 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3454 {
3455 XChangeProperty (dpy, rq.requestor, property, rq.target,
3456 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3457 ev.property = property;
3530 } 3458 }
3531 else if (rq.target == XA_STRING 3459 else if (rq.target == XA_STRING
3532 || rq.target == xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3533 || rq.target == xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3534 || rq.target == xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
3535 ) 3463 )
3536 { 3464 {
3465 XTextProperty ct;
3466 Atom target = rq.target;
3537 short freect = 0; 3467 short freect = 0;
3538 int selectlen; 3468 int selectlen;
3539 wchar_t *cl; 3469 wchar_t *cl;
3540 3470 enum {
3541 target = rq.target; 3471 enc_string = XStringStyle,
3472 enc_text = XStdICCTextStyle,
3473 enc_compound_text = XCompoundTextStyle,
3474#ifdef X_HAVE_UTF8_STRING
3475 enc_utf8 = XUTF8StringStyle,
3476#else
3477 enc_utf8 = -1,
3478#endif
3479 } style;
3542 3480
3543 if (target == XA_STRING) 3481 if (target == XA_STRING)
3544 // we actually don't do XA_STRING, but who cares, as i18n clients 3482 // we actually don't do XA_STRING, but who cares, as i18n clients
3545 // will ask for another format anyways. 3483 // will ask for another format anyways.
3546 style = XStringStyle; 3484 style = enc_string;
3547 else if (target == xa[XA_TEXT]) 3485 else if (target == xa[XA_TEXT])
3548 style = XStdICCTextStyle; 3486 style = enc_text;
3549 else if (target == xa[XA_COMPOUND_TEXT]) 3487 else if (target == xa[XA_COMPOUND_TEXT])
3550 style = XCompoundTextStyle; 3488 style = enc_compound_text;
3551#if X_HAVE_UTF8_STRING 3489#if !ENABLE_MINIMAL
3552 else if (target == xa[XA_UTF8_STRING]) 3490 else if (target == xa[XA_UTF8_STRING])
3553 style = XUTF8StringStyle; 3491 style = enc_utf8;
3554#endif 3492#endif
3555 else 3493 else
3556 { 3494 {
3557 target = xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3558 style = XCompoundTextStyle; 3496 style = enc_compound_text;
3559 } 3497 }
3560 3498
3561 if (selection.text) 3499 if (rq.selection == XA_PRIMARY && selection.text)
3562 { 3500 {
3563 cl = selection.text; 3501 cl = selection.text;
3564 selectlen = selection.len; 3502 selectlen = selection.len;
3565 } 3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3566 else 3509 else
3567 { 3510 {
3568 cl = L""; 3511 cl = (wchar_t *)L"";
3569 selectlen = 0; 3512 selectlen = 0;
3570 } 3513 }
3571 3514
3572 // Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it 3515#if !ENABLE_MINIMAL
3573 // manually for XUTF8StringStyle. 3516 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3517 // so recode it manually
3518 if (style == enc_utf8)
3519 {
3520 freect = 1;
3521 ct.encoding = target;
3522 ct.format = 8;
3523 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3524 ct.nitems = strlen ((char *)ct.value);
3525 }
3526 else
3527#endif
3574 if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0) 3528 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3575 freect = 1; 3529 freect = 1;
3576 else 3530 else
3577 { 3531 {
3578 /* if we failed to convert then send it raw */ 3532 /* if we failed to convert then send it raw */
3579 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3580 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3535 ct.encoding = target;
3581 } 3536 }
3582 3537
3583 XChangeProperty (display->display, rq.requestor, rq.property, 3538 XChangeProperty (dpy, rq.requestor, property,
3584 target, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3585 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3586 ev.property = rq.property; 3541 ev.property = property;
3587 3542
3588 if (freect) 3543 if (freect)
3589 XFree (ct.value); 3544 XFree (ct.value);
3590 } 3545 }
3591 3546
3592 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3593} 3548}
3594 3549
3595/* ------------------------------------------------------------------------- * 3550/* ------------------------------------------------------------------------- */
3596 * MOUSE ROUTINES *
3597 * ------------------------------------------------------------------------- */
3598
3599/*
3600 * return col/row values corresponding to x/y pixel values
3601 */
3602void
3603rxvt_term::pixel_position (int *x, int *y)
3604{
3605 *x = Pixel2Col (*x);
3606 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3607 *y = Pixel2Row (*y);
3608 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3609}
3610
3611/* ------------------------------------------------------------------------- */
3612#ifdef USE_XIM 3551#if USE_XIM
3613void 3552void ecb_cold
3614rxvt_term::im_set_position (XPoint &pos) 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3615{ 3554{
3616 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3617 3556
3618 XGetWindowAttributes (display->display, TermWin.vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3619 3558
3620 pos.x = xwa.x + Col2Pixel (screen.cur.col); 3559 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3621 pos.y = xwa.y + Height2Pixel (screen.cur.row) + TermWin.fbase; 3560 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3622} 3561}
3623#endif 3562#endif
3624 3563
3625#if ENABLE_OVERLAY 3564#if ENABLE_OVERLAY
3626void 3565void
3627rxvt_term::scr_overlay_new (int x, int y, int w, int h) 3566rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3628{ 3567{
3629 if (TermWin.nrow < 3 || TermWin.ncol < 3) 3568 if (nrow < 1 || ncol < 1)
3630 return; 3569 return;
3631 3570
3632 want_refresh = 1; 3571 want_refresh = 1;
3633 3572
3634 scr_overlay_off (); 3573 scr_overlay_off ();
3635 3574
3636 if (x < 0) x = TermWin.ncol - w; 3575 if (x < 0) x = ncol - w;
3637 if (y < 0) y = TermWin.nrow - h; 3576 if (y < 0) y = nrow - h;
3638 3577
3639 // make space for border 3578 // make space for border
3640 w += 2; MIN_IT (w, TermWin.ncol); 3579 w += 2; min_it (w, ncol);
3641 h += 2; MIN_IT (h, TermWin.nrow); 3580 h += 2; min_it (h, nrow);
3642 3581
3643 x -= 1; MAX_IT (x, 0); 3582 x -= 1; clamp_it (x, 0, ncol - w);
3644 y -= 1; MAX_IT (y, 0); 3583 y -= 1; clamp_it (y, 0, nrow - h);
3645 3584
3646 MIN_IT (x, TermWin.ncol - w);
3647 MIN_IT (y, TermWin.nrow - h);
3648
3649 ov_x = x; ov_y = y; 3585 ov.x = x; ov.y = y;
3650 ov_w = w; ov_h = h; 3586 ov.w = w; ov.h = h;
3651 3587
3652 ov_text = new text_t *[h]; 3588 ov.text = new text_t *[h];
3653 ov_rend = new rend_t *[h]; 3589 ov.rend = new rend_t *[h];
3654 3590
3655 for (y = 0; y < h; y++) 3591 for (y = 0; y < h; y++)
3656 { 3592 {
3657 text_t *tp = ov_text[y] = new text_t[w]; 3593 text_t *tp = ov.text[y] = new text_t[w];
3658 rend_t *rp = ov_rend[y] = new rend_t[w]; 3594 rend_t *rp = ov.rend[y] = new rend_t[w];
3659 3595
3660 text_t t0, t1, t2; 3596 text_t t0, t1, t2;
3661 rend_t r = OVERLAY_RSTYLE; 3597 rend_t r = OVERLAY_RSTYLE;
3662 3598
3663 if (y == 0) 3599 if (y == 0)
… …
3680 *rp = r; 3616 *rp = r;
3681 } 3617 }
3682} 3618}
3683 3619
3684void 3620void
3685rxvt_term::scr_overlay_off () 3621rxvt_term::scr_overlay_off () noexcept
3686{ 3622{
3687 if (!ov_text) 3623 if (!ov.text)
3688 return; 3624 return;
3689 3625
3690 want_refresh = 1; 3626 want_refresh = 1;
3691 3627
3692 for (int y = 0; y < ov_h; y++) 3628 for (int y = 0; y < ov.h; y++)
3693 { 3629 {
3694 delete [] ov_text[y]; 3630 delete [] ov.text[y];
3695 delete [] ov_rend[y]; 3631 delete [] ov.rend[y];
3696 } 3632 }
3697 3633
3698 delete [] ov_text; ov_text = 0; 3634 delete [] ov.text; ov.text = 0;
3699 delete [] ov_rend; ov_rend = 0; 3635 delete [] ov.rend; ov.rend = 0;
3700} 3636}
3701 3637
3702void 3638void
3703rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) 3639rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3704{ 3640{
3705 if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2) 3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3706 return; 3642 return;
3707 3643
3708 x++, y++; 3644 x++, y++;
3709 3645
3710 ov_text[y][x] = text; 3646 ov.text[y][x] = text;
3711 ov_rend[y][x] = rend; 3647 ov.rend[y][x] = rend;
3712} 3648}
3713 3649
3714void 3650void
3715rxvt_term::scr_overlay_set (int x, int y, const char *s) 3651rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3716{ 3652{
3717 while (*s) 3653 while (*s)
3718 scr_overlay_set (x++, y, *s++); 3654 scr_overlay_set (x++, y, *s++);
3719} 3655}
3720 3656
3721void 3657void
3658rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3659{
3660 while (*s)
3661 {
3662 text_t t = *s++;
3663 int width = WCWIDTH (t);
3664
3665 while (width--)
3666 {
3667 scr_overlay_set (x++, y, t);
3668 t = NOCHAR;
3669 }
3670 }
3671}
3672
3673void
3722rxvt_term::scr_swap_overlay () 3674rxvt_term::scr_swap_overlay () noexcept
3723{ 3675{
3724 if (!ov_text) 3676 if (!ov.text)
3725 return; 3677 return;
3726 3678
3727 int row_offset = ov_y + TermWin.saveLines - TermWin.view_start; 3679 // hide cursor if it is within the overlay area
3680 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3681 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3682 screen.flags &= ~Screen_VisibleCursor;
3728 3683
3729 // swap screen mem with overlay 3684 // swap screen mem with overlay
3730 for (int y = ov_h; y--; ) 3685 for (int y = ov.h; y--; )
3731 { 3686 {
3732 text_t *t1 = ov_text[y]; 3687 text_t *t1 = ov.text[y];
3733 rend_t *r1 = ov_rend[y]; 3688 rend_t *r1 = ov.rend[y];
3734 3689
3735 text_t *t2 = screen.text[y + row_offset] + ov_x; 3690 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3736 rend_t *r2 = screen.rend[y + row_offset] + ov_x; 3691 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3737 3692
3738 for (int x = ov_w; x--; ) 3693 for (int x = ov.w; x--; )
3739 { 3694 {
3740 text_t t = *t1; *t1++ = *t2; *t2++ = t; 3695 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3741 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t)); 3696 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3742 } 3697 }
3743 } 3698 }
3744} 3699}
3745 3700
3746#endif 3701#endif
3747/* ------------------------------------------------------------------------- */ 3702/* ------------------------------------------------------------------------- */
3703

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