ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/screen.C
(Generate patch)

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.22 by pcg, Sat Jan 31 02:14:58 2004 UTC vs.
Revision 1.472 by root, Mon Aug 8 10:33:14 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) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
6 * 8 *
7 * 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
8 * 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
9 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version. 12 * (at your option) any later version.
11 * 13 *
12 * 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,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
16 * 18 *
17 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
21/* 24/*
22 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
23 */ 26 */
24 27
25#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
29 31
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 32#include <inttypes.h>
33#include <wchar.h>
34 33
35#include "salloc.C" // HACK!! 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) == 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 \
58 = selection.mark.row = selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
60 57
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
73 70
74/* these must be row_col_t */ 71/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 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 (Xdisplay, drawBuffer, TermWin.int_bwidth, \
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 (Xdisplay, 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 (Xdisplay, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, 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 * ------------------------------------------------------------------------- */
97
116/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
117void 99void
118rxvt_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
119{ 101{
120 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
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;
122 116
123 while (width--) 117 while (width--)
124 { 118 {
125 *et++ = ' '; 119 *et++ = ' ';
126 *er++ = efs; 120 *er++ = efs;
… …
128} 122}
129 123
130/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
131/* 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 */
132void 126void
133rxvt_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
134{ 128{
135#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 130
144 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);
145} 164}
146 165
147/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
150void 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
151rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
152{ 216{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
154 unsigned int p, q; 218 scr_overlay_off ();
155 int k; 219#endif
156 rend_t setrstyle;
157 220
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 221 view_start = 0;
161 num_scr = 0; 222 num_scr = 0;
162 223
163 if (TermWin.ncol == 0) 224 if (ncol == 0)
164 TermWin.ncol = 80; 225 ncol = 80;
165 226
166 if (TermWin.nrow == 0) 227 if (nrow == 0)
167 TermWin.nrow = 24; 228 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 229
172 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 231 return;
174 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
175 want_refresh = 1; 242 want_refresh = 1;
176 243
244 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 246
180 screen.tscroll = 0; 247 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
182 249
183 if (!talloc) 250 void *prev_chunk = chunk;
184 { 251 size_t prev_chunk_size = chunk_size;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
186 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)
187 } 259 {
188 260 top_row = 0;
189 if (prev_nrow == 0) 261 term_start = 0;
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 262
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 267 screen.charset = 0;
223 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
235 selection.text = NULL; 280 selection.text = NULL;
236 selection.len = 0; 281 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
241 rvideo = 0; 286 selection.clip_len = 0;
242 } 287 }
243 else 288 else
244 { 289 {
245 /* 290 /*
246 * add or delete rows as appropriate 291 * add or delete rows as appropriate
247 */ 292 */
248 setrstyle = DEFAULT_RSTYLE;
249 293
250 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]);
251 { 304 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 305
256 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
257 { 321 {
258 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 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;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 328 {
261#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 330
263#endif 331 plines++;
264 talloc->free (screen.text[q]); 332 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 333 }
267 if (swap.text[p]) 334
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++)
268 { 348 {
269#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
270 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
271#endif 351 qline->l = ncol;
272 talloc->free (swap.text[p]); 352 qline->is_longer (1);
273 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 }
274 } 385 }
275#ifdef DEBUG_STRICT 386
276 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 388 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 390 }
281 391 while (p != pend && q > 0);
282 /* we have fewer rows so fix up cursor position */
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285
286 scr_reset_realloc (); /* realloc _last_ */
287 }
288 else if (nrow > prev_nrow)
289 { 392 }
290 /* add rows */ 393 else
291 scr_reset_realloc (); /* realloc _first_ */ 394#endif
395 {
396 // wing, instead of wrap
397 screen.cur.row += nrow - prev_nrow;
292 398
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 399 do
294
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 400 {
299 screen.tlen[p] = 0; 401 p = MOD (p - 1, prev_total_rows);
300 screen.text[p] = NULL; 402 q--;
301 screen.rend[p] = NULL; 403
404 copy_line (row_buf [q], prev_row_buf [p]);
302 } 405 }
303 406 while (p != pend && q > 0);
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
306
307 for (p = prev_nrow; p < nrow; p++)
308 {
309 swap.tlen[p] = 0;
310 swap.text[p] = NULL;
311 swap.rend[p] = NULL;
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
316 }
317
318 if (k > 0)
319 {
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
321 screen.cur.row += k;
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
324 }
325#ifdef DEBUG_STRICT
326 assert(screen.cur.row < TermWin.nrow);
327 assert(swap.cur.row < TermWin.nrow);
328#else /* drive with your eyes closed */
329
330 MIN_IT(screen.cur.row, nrow - 1);
331 MIN_IT(swap.cur.row, nrow - 1);
332#endif
333 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
334 }
335
336 /* resize columns */
337 if (ncol != prev_ncol)
338 { 407 }
339 int common = min (prev_ncol, ncol); 408
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 409 term_start = total_rows - nrow;
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 410 top_row = q - term_start;
411
412 // make sure all terminal lines exist
413 while (top_row > 0)
414 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
415
416 clamp_it (screen.cur.row, 0, nrow - 1);
417 clamp_it (screen.cur.col, 0, ncol - 1);
342 418 }
343 for (p = 0; p < total_rows; p++)
344 {
345 if (screen.text[p])
346 {
347 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
348 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
349 419
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 420 // ensure drawn_buf, swap_buf and terminal rows are all initialized
351 421 for (int row = nrow; row--; )
352 if (ncol > prev_ncol)
353 scr_blank_line (&(screen.text[p][prev_ncol]),
354 &(screen.rend[p][prev_ncol]),
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359
360 for (p = 0; p < nrow; p++)
361 {
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
364
365 if (ncol > prev_ncol)
366 scr_blank_line (&(drawn_text[p][prev_ncol]),
367 &(drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
369
370 if (swap.text[p])
371 {
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
374
375 MIN_IT(swap.tlen[p], (int16_t)ncol);
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&(swap.text[p][prev_ncol]),
379 &(swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
381 }
382
383 }
384
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
387
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
390 }
391
392 if (tabs)
393 free(tabs);
394 } 422 {
423 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
424 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
425 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
426 }
427
428 chunk_free (prev_chunk, prev_chunk_size);
429
430 free (tabs);
431 tabs = (char *)rxvt_malloc (ncol);
432
433 for (int col = ncol; col--; )
434 tabs [col] = col % TABSIZE == 0;
435
436 CLEAR_ALL_SELECTION ();
395 437
396 prev_nrow = nrow; 438 prev_nrow = nrow;
397 prev_ncol = ncol; 439 prev_ncol = ncol;
398 440
399 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
400
401 for (p = 0; p < ncol; p++)
402 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
403
404 tt_winch (); 441 tt_winch ();
405}
406 442
407void 443 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
408rxvt_term::scr_reset_realloc()
409{
410 uint16_t total_rows, nrow;
411
412 nrow = TermWin.nrow;
413 total_rows = nrow + TermWin.saveLines;
414 /* *INDENT-OFF* */
415 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
416 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
417 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
418 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
419
420 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
421 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
422
423 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
424 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
425 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
426 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
427 /* *INDENT-ON* */
428} 444}
429 445
430/* ------------------------------------------------------------------------- */ 446void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 447rxvt_term::scr_release () noexcept
436{ 448{
437 uint16_t total_rows; 449 chunk_free (chunk, chunk_size);
438 int i; 450 chunk = 0;
451 row_buf = 0;
439 452
440 total_rows = TermWin.nrow + TermWin.saveLines;
441
442#ifdef DEBUG_STRICT
443 for (i = 0; i < total_rows; i++)
444 {
445 if (screen.text[i])
446 /* then so is screen.rend[i] */
447 assert(screen.rend[i]);
448 }
449#endif
450
451 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0;
453
454 free (screen.text);
455 free (screen.tlen);
456 free (screen.rend);
457 free (drawn_text);
458 free (drawn_rend);
459 free (swap.text);
460 free (swap.tlen);
461 free (swap.rend);
462 free (buf_text);
463 free (buf_rend);
464 free (tabs); 453 free (tabs);
465
466 /* NULL these so if anything tries to use them, we'll know about it */
467 screen.text = drawn_text = swap.text = NULL;
468 screen.rend = drawn_rend = swap.rend = NULL;
469 screen.tlen = swap.tlen = NULL;
470 buf_text = NULL;
471 buf_rend = NULL;
472 tabs = NULL; 454 tabs = 0;
473} 455}
474 456
475/* ------------------------------------------------------------------------- */ 457/* ------------------------------------------------------------------------- */
476/* 458/*
477 * Hard reset 459 * Hard/Soft reset
478 */ 460 */
479void 461void ecb_cold
480rxvt_term::scr_poweron () 462rxvt_term::scr_poweron ()
481{ 463{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 464 scr_release ();
465
485 prev_nrow = prev_ncol = 0; 466 prev_nrow = prev_ncol = 0;
467 rvideo_mode = false;
468 scr_soft_reset ();
486 scr_reset (); 469 scr_reset ();
487 470
488 scr_clear (); 471 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 472 scr_refresh ();
490#ifdef RXVT_GRAPHICS 473}
491 Gr_reset (); 474
475void ecb_cold
476rxvt_term::scr_soft_reset () noexcept
477{
478 /* only affects modes, nothing drastic such as clearing the screen */
479#if ENABLE_OVERLAY
480 scr_overlay_off ();
492#endif 481#endif
482
483 if (current_screen != PRIMARY)
484 scr_swap_screen ();
485
486 scr_scroll_region (0, MAX_ROWS - 1);
487 scr_rendition (0, ~RS_None);
488 scr_insert_mode (0);
493} 489}
494 490
495/* ------------------------------------------------------------------------- * 491/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 492 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 493 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 495 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 496 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 497 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 498 */
503void 499void
504rxvt_term::scr_cursor (int mode) 500rxvt_term::scr_cursor (cursor_mode mode) noexcept
505{ 501{
506 screen_t *s; 502 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 503
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 504#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 505 if (current_screen == SECONDARY)
512 s = &(swap); 506 s = &swap;
513 else 507 else
514#endif 508#endif
515 s = &(screen); 509 s = &screen;
510
516 switch (mode) { 511 switch (mode)
512 {
517 case SAVE: 513 case SAVE:
518 s->s_cur.row = s->cur.row; 514 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 515 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 516 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 517 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 518 s->s_charset_char = charsets[screen.charset];
523 break; 519 break;
520
524 case RESTORE: 521 case RESTORE:
525 want_refresh = 1; 522 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 523 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 524 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 525 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 526 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 527 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 528 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 529 set_font_style ();
533 break; 530 break;
534 } 531 }
532
535/* boundary check in case screen size changed between SAVE and RESTORE */ 533 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 534 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 535 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 536 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 537 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 538}
542 MAX_IT(s->cur.row, 0); 539
543 MAX_IT(s->cur.col, 0); 540void
544#endif 541rxvt_term::scr_swap_screen () noexcept
542{
543 if (!option (Opt_secondaryScreen))
544 return;
545
546 for (int i = prev_nrow; i--; )
547 ::swap (ROW(i), swap_buf [i]);
548
549 ::swap (screen.cur, swap.cur);
550
551 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
552 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 553}
546 554
547/* ------------------------------------------------------------------------- */ 555/* ------------------------------------------------------------------------- */
548/* 556/*
549 * Swap between primary and secondary screens 557 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 558 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 559 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 560 */
553int 561void
554rxvt_term::scr_change_screen (int scrn) 562rxvt_term::scr_change_screen (int scrn)
555{ 563{
556 int i; 564 if (scrn == current_screen)
565 return;
566
567 want_refresh = 1;
568 view_start = 0;
569
570 /* check for boundary cross */
571 row_col_t pos;
572 pos.row = pos.col = 0;
573 if (ROWCOL_IS_BEFORE (selection.beg, pos)
574 && ROWCOL_IS_AFTER (selection.end, pos))
575 CLEAR_SELECTION ();
576
577 current_screen = scrn;
578
557#if NSCREENS 579#if NSCREENS
558 int offset; 580 if (option (Opt_secondaryScreen))
559#endif 581 {
560
561 want_refresh = 1;
562
563 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
564
565 TermWin.view_start = 0;
566
567 if (current_screen == scrn)
568 return current_screen;
569
570 selection_check (2); /* check for boundary cross */
571
572 SWAP_IT(current_screen, scrn, int);
573#if NSCREENS
574 num_scr = 0; 582 num_scr = 0;
575 offset = TermWin.saveLines; 583
576 for (i = prev_nrow; i--;) { 584 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 585
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 586 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 587 ::swap (screen.flags, swap.flags);
580 }
581 SWAP_IT(screen.cur.row, swap.cur.row, int16_t);
582 SWAP_IT(screen.cur.col, swap.cur.col, int16_t);
583# ifdef DEBUG_STRICT
584 assert((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
585 assert((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
586# else /* drive with your eyes closed */
587 MAX_IT(screen.cur.row, 0);
588 MIN_IT(screen.cur.row, (int32_t)prev_nrow - 1);
589 MAX_IT(screen.cur.col, 0);
590 MIN_IT(screen.cur.col, (int32_t)prev_ncol - 1);
591# endif
592 SWAP_IT(screen.charset, swap.charset, int16_t);
593 SWAP_IT(screen.flags, swap.flags, int);
594 screen.flags |= Screen_VisibleCursor; 588 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 589 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 590 }
591 else
603# endif 592#endif
604#else 593 if (option (Opt_secondaryScroll))
605# ifdef SCROLL_ON_NO_SECONDARY
606# ifdef RXVT_GRAPHICS
607 if (Gr_Displayed ())
608 Gr_ClearScreen ();
609# endif
610 if (current_screen == PRIMARY
611# ifdef RXVT_GRAPHICS
612 && !Gr_Displayed ()
613# endif
614 )
615 scr_scroll_text(0, (prev_nrow - 1), prev_nrow, 0); 594 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 595}
617#endif 596
597// clear WrapNext indicator, solidifying position on next line
598void
599rxvt_term::scr_do_wrap () noexcept
600{
601 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 602 return;
603
604 screen.flags &= ~Screen_WrapNext;
605
606 screen.cur.col = 0;
607
608 if (screen.cur.row == screen.bscroll)
609 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
610 else if (screen.cur.row < nrow - 1)
611 screen.cur.row++;
619} 612}
620 613
621/* ------------------------------------------------------------------------- */ 614/* ------------------------------------------------------------------------- */
622/* 615/*
623 * Change the colour for following text 616 * Change the colour for following text
624 */ 617 */
625void 618void
626rxvt_term::scr_color (unsigned int color, int fgbg) 619rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
627{ 620{
621 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
628 color &= RS_fgMask; 622 color = fgbg;
623
629 if (fgbg == Color_fg) 624 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 625 rstyle = SET_FGCOLOR (rstyle, color);
631 else 626 else
632 rstyle = SET_BGCOLOR(rstyle, color); 627 rstyle = SET_BGCOLOR (rstyle, color);
633} 628}
634 629
635/* ------------------------------------------------------------------------- */ 630/* ------------------------------------------------------------------------- */
636/* 631/*
637 * Change the rendition style for following text 632 * Change the rendition style for following text
638 */ 633 */
639void 634void
640rxvt_term::scr_rendition (int set, int style) 635rxvt_term::scr_rendition (int set, int style) noexcept
641{ 636{
642 if (set) 637 if (set)
643 rstyle |= style; 638 rstyle |= style;
644 else if (style == ~RS_None) 639 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 640 rstyle = DEFAULT_RSTYLE;
646 else 641 else
647 rstyle &= ~style; 642 rstyle &= ~style;
648} 643}
649 644
650/* ------------------------------------------------------------------------- */ 645/* ------------------------------------------------------------------------- */
651/* 646/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 647 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 648 * count positive ==> scroll up
654 * count negative ==> scroll down 649 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 650 */
657int 651int ecb_hot
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 652rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
659{ 653{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 654 if (count == 0 || (row1 > row2))
664 return 0; 655 return 0;
665 656
666 want_refresh = 1; 657 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 658 num_scr += count;
668 659
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 660 if (count > 0
661 && row1 == 0
662 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
663 {
664 min_it (count, total_rows - (nrow - (row2 + 1)));
665
666 top_row = max (top_row - count, -saveLines);
667
668 // sever bottommost line
670 { 669 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 670 line_t &l = ROW(row2);
672 671 l.is_longer (0);
673 if (nscrolled > (long)TermWin.saveLines) 672 l.touch ();
674 TermWin.nscrolled = TermWin.saveLines;
675 else
676 TermWin.nscrolled = (uint16_t)nscrolled;
677
678 if ((Options & Opt_scrollWithBuffer)
679 && TermWin.view_start != 0
680 && TermWin.view_start != TermWin.saveLines)
681 scr_page (UP, count);
682 } 673 }
683 else if (!spec)
684 row1 += TermWin.saveLines;
685 674
686 row2 += TermWin.saveLines; 675 // scroll everything up 'count' lines
676 term_start = (term_start + count) % total_rows;
687 677
678 // now copy lines below the scroll region bottom to the
679 // bottom of the screen again, so they look as if they
680 // hadn't moved.
681 for (int i = nrow; --i > row2; )
682 {
683 line_t &l1 = ROW(i - count);
684 line_t &l2 = ROW(i);
685
686 ::swap (l1, l2);
687 l2.touch ();
688 }
689
690 // erase newly scrolled-in lines
691 for (int i = count; i--; )
692 {
693 line_t &l = ROW(row2 - i);
694
695 // optimise if already cleared, can be significant on slow machines
696 // could be rolled into scr_blank_screen_mem
697 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
698 {
699 scr_blank_line (l, 0, l.l, rstyle);
700 l.l = 0;
701 l.f = 0;
702 }
703 else
704 scr_blank_screen_mem (l, rstyle);
705 }
706
707 // move and/or clear selection, if any
688 if (selection.op && current_screen == selection.screen) 708 if (selection.op && current_screen == selection.screen
689 { 709 && selection.beg.row <= row2)
690 i = selection.beg.row + TermWin.saveLines;
691 j = selection.end.row + TermWin.saveLines;
692 if ((i < row1 && j > row1)
693 || (i < row2 && j > row2)
694 || (i - count < row1 && i >= row1)
695 || (i - count > row2 && i <= row2)
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 {
699 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 710 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 711 selection.beg.row -= count;
706 selection.end.row -= count; 712 selection.end.row -= count;
707 selection.mark.row -= count; 713 selection.mark.row -= count;
708 }
709 }
710 714
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 715 selection_check (0);
712
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1;
720 MIN_IT(count, i);
721
722 if (j > 0)
723 {
724 /* A: scroll up */
725
726 /* A1: Copy lines that will get clobbered by the rotation */
727 for (i = 0, j = row1; i < count; i++, j++)
728 { 716 }
729 buf_text[i] = screen.text[j]; 717
730 buf_rend[i] = screen.rend[j]; 718 // finally move the view window, if desired
719 if (option (Opt_scrollWithBuffer)
720 && view_start != 0
721 && view_start != -saveLines)
722 scr_page (count);
723
724 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
725 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
726 }
727 else
728 {
729 if (selection.op && current_screen == selection.screen)
731 } 730 {
732 /* A2: Rotate lines */ 731 if ((selection.beg.row < row1 && selection.end.row > row1)
733 for (j = row1, i = j + count; i <= row2; i++, j++) 732 || (selection.beg.row < row2 && selection.end.row > row2)
733 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
734 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
735 || (selection.end.row - count < row1 && selection.end.row >= row1)
736 || (selection.end.row - count > row2 && selection.end.row <= row2))
737 {
738 CLEAR_ALL_SELECTION ();
739 selection.op = SELECTION_CLEAR;
740 }
741 else if (selection.end.row >= row1 && selection.end.row <= row2)
742 {
743 /* move selected region too */
744 selection.beg.row -= count;
745 selection.end.row -= count;
746 selection.mark.row -= count;
747
748 selection_check (0);
749 }
734 { 750 }
735 screen.tlen[j] = screen.tlen[i]; 751
736 screen.text[j] = screen.text[i]; 752 // use a simple and robust scrolling algorithm, this
737 screen.rend[j] = screen.rend[i]; 753 // part of scr_scroll_text is not time-critical.
754
755 // sever line above scroll region
756 if (row1)
738 } 757 {
739 j = row2 - count + 1, i = count; 758 line_t &l = ROW(row1 - 1);
740 } 759 l.is_longer (0);
741 else /* if (j < 0) */ 760 l.touch ();
742 {
743 /* B: scroll down */
744
745 /* B1: Copy lines that will get clobbered by the rotation */
746 for (i = 0, j = row2; i < count; i++, j--)
747 { 761 }
748 buf_text[i] = screen.text[j]; 762
749 buf_rend[i] = screen.rend[j]; 763 int rows = row2 - row1 + 1;
764
765 min_it (count, rows);
766
767 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
768
769 for (int row = 0; row < rows; row++)
750 } 770 {
751 /* B2: Rotate lines */ 771 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
752 for (j = row2, i = j - count; i >= row1; i--, j--) 772
773 if (!IN_RANGE_EXC (row + count, 0, rows))
774 scr_blank_screen_mem (temp_buf [row], rstyle);
753 { 775 }
754 screen.tlen[j] = screen.tlen[i]; 776
755 screen.text[j] = screen.text[i]; 777 for (int row = 0; row < rows; row++)
756 screen.rend[j] = screen.rend[i]; 778 ROW(row1 + row) = temp_buf [row];
779
780 // sever bottommost line
781 {
782 line_t &l = ROW(row2);
783 l.is_longer (0);
784 l.touch ();
757 } 785 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 786 }
765 screen.tlen[j] = 0;
766 screen.text[j] = buf_text[i];
767 screen.rend[j] = buf_rend[i];
768
769 if (!spec) /* line length may not equal TermWin.ncol */
770 scr_blank_screen_mem (screen.text, screen.rend,
771 (unsigned int)j, rstyle);
772 }
773
774#ifdef RXVT_GRAPHICS
775 if (Gr_Displayed ())
776 Gr_scroll (count);
777#endif
778 787
779 return count; 788 return count;
780} 789}
781 790
782/* ------------------------------------------------------------------------- */ 791/* ------------------------------------------------------------------------- */
783/* 792/*
784 * Add text given in <str> of length <len> to screen struct 793 * Add text given in <str> of length <len> to screen struct
785 */ 794 */
786void 795void ecb_hot
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 796rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
788{ 797{
789 unsigned char checksel, clearsel;
790 uint32_t c;
791 int i, row, last_col;
792 text_t *stp;
793 rend_t *srp;
794
795 if (len <= 0) /* sanity */ 798 if (len <= 0) /* sanity */
796 return; 799 return;
797 800
801 bool checksel;
802 unicode_t c;
803 int ncol = this->ncol;
804 const wchar_t *strend = str + len;
805
798 want_refresh = 1; 806 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 807 ZERO_SCROLLBACK ();
808
803 if (nlines > 0) { 809 if (minlines > 0)
810 {
804 nlines += (screen.cur.row - screen.bscroll); 811 minlines += screen.cur.row - screen.bscroll;
812 min_it (minlines, screen.cur.row - top_row);
813
805 if ((nlines > 0) 814 if (minlines > 0
806 && (screen.tscroll == 0) 815 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 816 && screen.bscroll == nrow - 1)
817 {
808 /* _at least_ this many lines need to be scrolled */ 818 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 819 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 820 screen.cur.row -= minlines;
811 } 821 }
812 } 822 }
813#ifdef DEBUG_STRICT 823
814 assert(screen.cur.col < last_col); 824 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 825 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 826 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 827 int row = screen.cur.row;
818 MIN_IT(screen.cur.col, last_col - 1);
819 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
820 MAX_IT(screen.cur.row, -(int32_t)TermWin.nscrolled);
821#endif
822 row = screen.cur.row + TermWin.saveLines;
823 828
824 checksel = (selection.op 829 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 830
828 stp = screen.text[row]; 831 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 832
831 for (i = 0; i < len;) { 833 while (str < strend)
832 c = str[i++]; 834 {
833 switch (c) { 835 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 836
835 scr_tab (1); 837 if (ecb_unlikely (c < 0x20))
838 if (c == C0_LF)
839 {
840 max_it (line->l, screen.cur.col);
841
842 screen.flags &= ~Screen_WrapNext;
843
844 if (screen.cur.row == screen.bscroll)
845 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
846 else if (screen.cur.row < (nrow - 1))
847 row = ++screen.cur.row;
848
849 line = &ROW(row); /* _must_ refresh */
836 continue; 850 continue;
837 case '\n': 851 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 852 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 853 {
840 screen.flags &= ~Screen_WrapNext; 854 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 855
842 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
843 else if (screen.cur.row < (TermWin.nrow - 1))
844 row = (++screen.cur.row) + TermWin.saveLines;
845 stp = screen.text[row]; /* _must_ refresh */
846 srp = screen.rend[row]; /* _must_ refresh */
847 continue;
848 case '\r':
849 if (screen.tlen[row] != -1) /* XXX: think about this */
850 MAX_IT(screen.tlen[row], screen.cur.col);
851 screen.flags &= ~Screen_WrapNext; 856 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 857 screen.cur.col = 0;
853 continue; 858 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 859 }
860 else if (c == C0_HT)
861 {
862 scr_tab (1, true);
863 continue;
864 }
859 865
866 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 867 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 868 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 869 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
870 ))
871 {
863 checksel = 0; 872 checksel = 0;
864 clearsel = 1; 873 /*
874 * If we wrote anywhere in the selected area, kill the selection
875 * XXX: should we kill the mark too? Possibly, but maybe that
876 * should be a similar check.
877 */
878 CLEAR_SELECTION ();
879 }
880
881 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 882 {
866 if (screen.flags & Screen_WrapNext) { 883 scr_do_wrap ();
867 screen.tlen[row] = -1; 884
868 if (screen.cur.row == screen.bscroll) 885 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 886 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 887
871 row = (++screen.cur.row) + TermWin.saveLines;
872 stp = screen.text[row]; /* _must_ refresh */
873 srp = screen.rend[row]; /* _must_ refresh */
874 screen.cur.col = 0; 888 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 889 line = &ROW(row); /* _must_ refresh */
890 }
891
892 // some utf-8 decoders "decode" surrogate characters: let's fix this.
893 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
894 c = 0xfffd;
895
896 // rely on wcwidth to tell us the character width, do wcwidth before
897 // further replacements, as wcwidth might return -1 for the line
898 // drawing characters below as they might be invalid in the current
899 // locale.
900 int width = WCWIDTH (c);
901
902 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 903 {
877 if (screen.flags & Screen_Insert) 904 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 905 // 5f-7e standard vt100
906 // 40-5e rxvt extension for extra curses acs chars
907 static uint16_t vt100_0[62] = { // 41 .. 7e
908 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
909 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
910 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
911 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
912 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
913 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
914 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
915 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
916 };
879 917
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 918 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 919 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 920 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 921 width = 1; // vt100 line drawing characters are always single-width
885 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
886 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
887 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
888 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
889 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
890 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
891 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
892 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
893 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
894 } 922 }
923 }
895 924
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 925 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 926 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 927
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 928 if (width != 0)
929 {
930#if !UNICODE_3
931 // trim characters we can't store directly :(
932 if (c >= 0x10000)
933# if ENABLE_COMBINING
934 c = rxvt_composite.compose (c); // map to lower 16 bits
935# else
936 c = 0xfffd;
937# endif
938#endif
939
940 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
941
942 // if the character doesn't fit into the remaining columns...
943 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
944 {
945 if (screen.flags & Screen_Autowrap)
946 {
947 // ... artificially enlargen the previous one
948 c = NOCHAR;
949 // and try the same character next loop iteration
950 --str;
951 }
952 else
953 screen.cur.col = ncol - width;
954 }
955
956 // nuke the character at this position, if required
957 // due to wonderful coincidences everywhere else in this loop
958 // we never have to check for overwriting a wide char itself,
959 // only its tail.
960 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
961 scr_kill_char (*line, screen.cur.col);
962
963 line->touch ();
964
902 do 965 do
903 { 966 {
904 stp[screen.cur.col] = c; 967 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 968 line->r[screen.cur.col] = rend;
906 969
907 if (screen.cur.col < last_col - 1) 970 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 971 screen.cur.col++;
909 else 972 else
910 { 973 {
911 screen.tlen[row] = last_col; 974 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 975 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 976 screen.flags |= Screen_WrapNext;
914 break; 977
978 goto end_of_line;
915 } 979 }
916 980
917 c = NOCHAR; 981 c = NOCHAR;
918 } 982 }
919 while (--width > 0); 983 while (ecb_unlikely (--width > 0));
984
985 // pad with spaces when overwriting wide character with smaller one
986 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
987 {
988 line->t[c] = ' ';
989 line->r[c] = rend;
990 }
991
992end_of_line:
993 ;
994 }
995#if ENABLE_COMBINING
996 else // width == 0
997 {
998 if (c != 0xfeff) // ignore BOM
999 {
1000 // handle combining characters
1001 // we just tag the accent on the previous on-screen character.
1002 // this is arguably not correct, but also arguably not wrong.
1003 // we don't handle double-width characters nicely yet.
1004 line_t *linep;
1005 text_t *tp;
1006 rend_t *rp;
1007
1008 if (screen.cur.col > 0)
1009 {
1010 linep = line;
1011 tp = line->t + screen.cur.col - 1;
1012 rp = line->r + screen.cur.col - 1;
1013 }
1014 else if (screen.cur.row > 0
1015 && ROW(screen.cur.row - 1).is_longer ())
1016 {
1017 linep = &ROW(screen.cur.row - 1);
1018 tp = linep->t + ncol - 1;
1019 rp = linep->r + ncol - 1;
1020 }
920 else 1021 else
921 (void)0; /* handle combining character etc. here. */ 1022 continue;
922 }
923 1023
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1024 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1025
927/* 1026 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1027 tp--, rp--;
929 * XXX: should we kill the mark too? Possibly, but maybe that
930 * should be a similar check.
931 */
932 if (clearsel)
933 CLEAR_SELECTION();
934 1028
935#ifdef DEBUG_STRICT 1029 // first try to find a precomposed character
1030 unicode_t n = rxvt_compose (*tp, c);
1031 if (n == NOCHAR)
1032 n = rxvt_composite.compose (*tp, c);
1033
1034 *tp = n;
1035 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1036 }
1037 }
1038#endif
1039 }
1040
1041 max_it (line->l, screen.cur.col);
1042
936 assert(screen.cur.row >= 0); 1043 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1044}
941 1045
942/* ------------------------------------------------------------------------- */ 1046/* ------------------------------------------------------------------------- */
943/* 1047/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1048 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1049 * XTERM_SEQ: CTRL-H
946 */ 1050 */
947void 1051void
948rxvt_term::scr_backspace () 1052rxvt_term::scr_backspace () noexcept
949{ 1053{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1054 if (screen.cur.col == 0)
1055 {
952 if (screen.cur.row > 0) { 1056 if (screen.cur.row > 0)
1057 {
953#ifdef TERMCAP_HAS_BW 1058#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1059 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1060 --screen.cur.row;
956 return; 1061
1062 want_refresh = 1;
957#endif 1063#endif
958 } 1064 }
1065 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1066 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1067 screen.flags &= ~Screen_WrapNext;
1068 else
1069 scr_gotorc (0, -1, RELATIVE);
962} 1070}
963 1071
964/* ------------------------------------------------------------------------- */ 1072/* ------------------------------------------------------------------------- */
965/* 1073/*
966 * Process Horizontal Tab 1074 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1075 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1076 * XTERM_SEQ: CTRL-I
969 */ 1077 */
970void 1078void
971rxvt_term::scr_tab (int count) 1079rxvt_term::scr_tab (int count, bool ht) noexcept
972{ 1080{
973 int i, x; 1081 int i, x;
974 1082
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1083 want_refresh = 1;
977 i = x = screen.cur.col; 1084 i = x = screen.cur.col;
1085
978 if (count == 0) 1086 if (count == 0)
979 return; 1087 return;
980 else if (count > 0) { 1088 else if (count > 0)
1089 {
1090 line_t &l = ROW(screen.cur.row);
1091 rend_t base_rend = l.r[i];
1092 ht &= l.t[i] == ' ';
1093
981 for (; ++i < TermWin.ncol; ) 1094 for (; ++i < ncol; )
982 if (tabs[i]) { 1095 if (tabs[i])
1096 {
983 x = i; 1097 x = i;
1098
984 if (!--count) 1099 if (!--count)
985 break; 1100 break;
1101 }
1102 else
1103 ht &= l.t[i] == ' '
1104 && RS_SAME (l.r[i], base_rend);
1105
1106 if (count)
1107 x = ncol - 1;
1108
1109 // store horizontal tab commands as characters inside the text
1110 // buffer so they can be selected and pasted.
1111 if (ht && option (Opt_pastableTabs))
1112 {
1113 base_rend = SET_FONT (base_rend, 0);
1114
1115 l.touch (x);
1116
1117 i = screen.cur.col;
1118
1119 l.t[i] = '\t';
1120 l.r[i] = base_rend;
1121
1122 while (++i < x)
1123 {
1124 l.t[i] = NOCHAR;
1125 l.r[i] = base_rend;
986 } 1126 }
987 if (count) 1127 }
988 x = TermWin.ncol - 1; 1128 }
989 } else /* if (count < 0) */ { 1129 else /* if (count < 0) */
1130 {
990 for (; --i >= 0; ) 1131 for (; --i >= 0; )
991 if (tabs[i]) { 1132 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1133 {
996 if (count)
997 x = 0; 1134 x = i;
1135 if (!++count)
1136 break;
1137 }
1138
1139 if (count)
1140 x = 0;
998 } 1141 }
1142
999 if (x != screen.cur.col) 1143 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1144 scr_gotorc (0, x, R_RELATIVE);
1001} 1145}
1002 1146
1003/* ------------------------------------------------------------------------- */ 1147/* ------------------------------------------------------------------------- */
1004/* 1148/*
1005 * Process DEC Back Index 1149 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1150 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1151 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1152 * in that row right. Clear left column.
1009 */ 1153 */
1010#ifndef NO_FRILLS 1154#if !ENABLE_MINIMAL
1011void 1155void ecb_cold
1012rxvt_term::scr_backindex () 1156rxvt_term::scr_backindex () noexcept
1013{ 1157{
1014 if (screen.cur.col > 0) 1158 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1159 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1160 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1161 scr_insdel_chars (1, INSERT);
1020 }
1021} 1162}
1022#endif 1163#endif
1023/* ------------------------------------------------------------------------- */ 1164/* ------------------------------------------------------------------------- */
1024/* 1165/*
1025 * Process DEC Forward Index 1166 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1167 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1168 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1169 * in that row left. Clear right column.
1029 */ 1170 */
1030#ifndef NO_FRILLS 1171#if !ENABLE_MINIMAL
1031void 1172void ecb_cold
1032rxvt_term::scr_forwardindex () 1173rxvt_term::scr_forwardindex () noexcept
1033{ 1174{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1175 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1176 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1177 else
1039 row = screen.cur.row + TermWin.saveLines; 1178 {
1040 if (screen.tlen[row] == 0) 1179 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1180
1042 else if (screen.tlen[row] == -1) 1181 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1182 l.is_longer (0);
1183
1044 scr_gotorc (0, 0, R_RELATIVE); 1184 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1185 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1186 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1187 }
1048} 1188}
1049#endif 1189#endif
1050 1190
1051/* ------------------------------------------------------------------------- */ 1191/* ------------------------------------------------------------------------- */
1052/* 1192/*
1053 * Goto Row/Column 1193 * Goto Row/Column
1054 */ 1194 */
1055void 1195void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1196rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1057{ 1197{
1058 want_refresh = 1; 1198 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1199 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1200
1065 D_SCREEN((stderr, "rxvt_scr_gotorc(r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col));
1066
1067 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1201 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1202 clamp_it (screen.cur.col, 0, ncol - 1);
1069 MAX_IT(screen.cur.col, 0);
1070 MIN_IT(screen.cur.col, (int32_t)TermWin.ncol - 1);
1071 1203
1072 screen.flags &= ~Screen_WrapNext; 1204 screen.flags &= ~Screen_WrapNext;
1205
1073 if (relative & R_RELATIVE) { 1206 if (relative & R_RELATIVE)
1207 {
1074 if (row > 0) { 1208 if (row > 0)
1209 {
1075 if (screen.cur.row <= screen.bscroll 1210 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1211 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1212 screen.cur.row = screen.bscroll;
1078 else 1213 else
1079 screen.cur.row += row;
1080 } else if (row < 0) {
1081 if (screen.cur.row >= screen.tscroll
1082 && (screen.cur.row + row) < screen.tscroll)
1083 screen.cur.row = screen.tscroll;
1084 else
1085 screen.cur.row += row;
1086 }
1087 } else {
1088 if (screen.flags & Screen_Relative) { /* relative origin mode */
1089 screen.cur.row = row + screen.tscroll;
1090 MIN_IT(screen.cur.row, screen.bscroll);
1091 } else
1092 screen.cur.row = row; 1214 screen.cur.row += row;
1215 }
1216 else if (row < 0)
1217 {
1218 if (screen.cur.row >= screen.tscroll
1219 && (screen.cur.row + row) < screen.tscroll)
1220 screen.cur.row = screen.tscroll;
1221 else
1222 screen.cur.row += row;
1223 }
1224 }
1225 else
1093 } 1226 {
1094 MAX_IT(screen.cur.row, 0); 1227 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1228 {
1096} 1229 /* relative origin mode */
1230 screen.cur.row = row + screen.tscroll;
1231 min_it (screen.cur.row, screen.bscroll);
1232 }
1233 else
1234 screen.cur.row = row;
1235 }
1097 1236
1237 clamp_it (screen.cur.row, 0, nrow - 1);
1238}
1239
1098/* ------------------------------------------------------------------------- */ 1240/* ------------------------------------------------------------------------- */
1099/* 1241/*
1100 * direction should be UP or DN 1242 * direction should be UP or DN
1101 */ 1243 */
1102void 1244void
1103rxvt_term::scr_index (enum page_dirn direction) 1245rxvt_term::scr_index (enum page_dirn direction) noexcept
1104{ 1246{
1105 int dirn;
1106
1107 want_refresh = 1; 1247 want_refresh = 1;
1108 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110
1111 ZERO_SCROLLBACK(); 1248 ZERO_SCROLLBACK ();
1112 1249
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1250 screen.flags &= ~Screen_WrapNext;
1251
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1252 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1253 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1254 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1122 else 1255 else
1123 screen.cur.row += dirn; 1256 screen.cur.row += direction;
1124 MAX_IT(screen.cur.row, 0); 1257
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1258 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1259 selection_check (0);
1127} 1260}
1128 1261
1129/* ------------------------------------------------------------------------- */ 1262/* ------------------------------------------------------------------------- */
1130/* 1263/*
1131 * Erase part or whole of a line 1264 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1265 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1266 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1267 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1268 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1269 */
1136void 1270void
1137rxvt_term::scr_erase_line (int mode) 1271rxvt_term::scr_erase_line (int mode) noexcept
1138{ 1272{
1139 unsigned int row, col, num; 1273 unsigned int col, num;
1140 1274
1141 want_refresh = 1; 1275 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1276 ZERO_SCROLLBACK ();
1144 1277
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1278 selection_check (1);
1151 1279
1152 screen.flags &= ~Screen_WrapNext; 1280 line_t &line = ROW(screen.cur.row);
1153 1281
1154 row = TermWin.saveLines + screen.cur.row; 1282 line.touch ();
1283 line.is_longer (0);
1284
1155 switch (mode) 1285 switch (mode)
1156 { 1286 {
1287 case 3:
1288 if (screen.flags & Screen_WrapNext)
1289 return;
1290
1291 /* fall through */
1292
1157 case 0: /* erase to end of line */ 1293 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1294 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1295 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1296 min_it (line.l, col);
1297
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1298 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1299 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1300 CLEAR_SELECTION ();
1164 break; 1301 break;
1302
1165 case 1: /* erase to beginning of line */ 1303 case 1: /* erase to beginning of line */
1166 col = 0; 1304 col = 0;
1167 num = screen.cur.col + 1; 1305 num = screen.cur.col + 1;
1306
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1307 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1308 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1309 CLEAR_SELECTION ();
1171 break; 1310 break;
1311
1172 case 2: /* erase whole line */ 1312 case 2: /* erase whole line */
1173 col = 0; 1313 col = 0;
1174 num = TermWin.ncol; 1314 num = ncol;
1175 screen.tlen[row] = 0; 1315 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1316 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1317 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1318 CLEAR_SELECTION ();
1179 break; 1319 break;
1180 default: 1320 default:
1181 return; 1321 return;
1182 } 1322 }
1183 1323
1184 if (screen.text[row]) 1324 scr_blank_line (line, col, num, rstyle);
1185 scr_blank_line (&(screen.text[row][col]),
1186 &(screen.rend[row][col]), num, rstyle);
1187 else
1188 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1189} 1325}
1190 1326
1191/* ------------------------------------------------------------------------- */ 1327/* ------------------------------------------------------------------------- */
1192/* 1328/*
1193 * Erase part of whole of the screen 1329 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1330 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1331 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1332 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1333 */
1198void 1334void
1199rxvt_term::scr_erase_screen (int mode) 1335rxvt_term::scr_erase_screen (int mode) noexcept
1200{ 1336{
1201 int num; 1337 int num;
1202 int32_t row, row_offset; 1338 int32_t row;
1203 rend_t ren; 1339 rend_t ren;
1204 XGCValues gcvalue; 1340 XGCValues gcvalue;
1205 1341
1206 want_refresh = 1; 1342 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1343 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1344
1211 switch (mode) { 1345 switch (mode)
1346 {
1212 case 0: /* erase to end of screen */ 1347 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1348 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1349 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1350 num = nrow - row;
1217 break; 1351 break;
1218 case 1: /* erase to beginning of screen */ 1352 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1353 scr_erase_line (1);
1221 row = 0; 1354 row = 0;
1222 num = screen.cur.row; 1355 num = screen.cur.row;
1223 break; 1356 break;
1224 case 2: /* erase whole screen */ 1357 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1358 row = 0;
1230 num = TermWin.nrow; 1359 num = nrow;
1231 break; 1360 break;
1232 default: 1361 default:
1233 return; 1362 return;
1234 } 1363 }
1235 refresh_type |= REFRESH_BOUNDS; 1364
1236 if (selection.op && current_screen == selection.screen 1365 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1366 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1367 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1368 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1369 CLEAR_SELECTION ();
1370
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1371 if (row >= nrow) /* Out Of Bounds */
1242 return; 1372 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1373
1374 min_it (num, nrow - row);
1375
1244 if (rstyle & (RS_RVid | RS_Uline)) 1376 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1377 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1378 else if (GET_BASEBG (rstyle) == Color_bg)
1379 {
1247 ren = DEFAULT_RSTYLE; 1380 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1381
1249 } else { 1382 if (mapped)
1383 XClearArea (dpy, vt, 0,
1384 Row2Pixel (row - view_start), (unsigned int)vt_width,
1385 (unsigned int)Height2Pixel (num), False);
1386 }
1387 else
1388 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1389 ren = rstyle & (RS_fgMask | RS_bgMask);
1390
1391 if (mapped)
1392 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1393 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1394 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1395 XFillRectangle (dpy, vt, gc,
1396 0, Row2Pixel (row - view_start),
1397 (unsigned int)vt_width,
1398 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1399 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1400 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1401 }
1256 } 1402 }
1403
1257 for (; num--; row++) { 1404 for (; num--; row++)
1258 scr_blank_screen_mem (screen.text, screen.rend,
1259 (unsigned int)(row + row_offset), rstyle);
1260 screen.tlen[row + row_offset] = 0;
1261 scr_blank_line (drawn_text[row], drawn_rend[row],
1262 (unsigned int)TermWin.ncol, ren);
1263 } 1405 {
1406 scr_blank_screen_mem (ROW(row), rstyle);
1407
1408 if (row - view_start < nrow)
1409 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1410 }
1264} 1411}
1412
1413#if !ENABLE_MINIMAL
1414void
1415rxvt_term::scr_erase_savelines () noexcept
1416{
1417 want_refresh = 1;
1418 ZERO_SCROLLBACK ();
1419
1420 top_row = 0;
1421}
1422#endif
1265 1423
1266/* ------------------------------------------------------------------------- */ 1424/* ------------------------------------------------------------------------- */
1267/* 1425/*
1268 * Fill the screen with `E's 1426 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1427 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1428 */
1271void 1429void ecb_cold
1272rxvt_term::scr_E () 1430rxvt_term::scr_E () noexcept
1273{ 1431{
1274 int i, j, k; 1432 rend_t fs;
1275 rend_t *r1, fs;
1276 1433
1277 want_refresh = 1; 1434 want_refresh = 1;
1435 ZERO_SCROLLBACK ();
1436
1278 num_scr_allow = 0; 1437 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1438
1439 row_col_t pos;
1440 pos.row = pos.col = 0;
1441 if (ROWCOL_IS_AFTER (selection.end, pos))
1442 CLEAR_SELECTION ();
1443
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1444 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1445 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1446 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1447 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1448
1449 fill_text (line.t, 'E', ncol);
1450 rend_t *r1 = line.r;
1451
1452 for (int j = ncol; j--; )
1287 *r1++ = fs; 1453 *r1++ = fs;
1454
1455 line.is_longer (0);
1456 line.touch (ncol);
1288 } 1457 }
1289} 1458}
1290 1459
1291/* ------------------------------------------------------------------------- */ 1460/* ------------------------------------------------------------------------- */
1292/* 1461/*
1293 * Insert/Delete <count> lines 1462 * Insert/Delete <count> lines
1294 */ 1463 */
1295void 1464void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1465rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1297{ 1466{
1298 int end; 1467 int end;
1299 1468
1300 ZERO_SCROLLBACK(); 1469 ZERO_SCROLLBACK ();
1301 1470
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1471 selection_check (1);
1308 1472
1309 if (screen.cur.row > screen.bscroll) 1473 if (screen.cur.row > screen.bscroll)
1474 return;
1475
1476 end = screen.bscroll - screen.cur.row + 1;
1477 if (count > end)
1478 {
1479 if (insdel == DELETE)
1310 return; 1480 return;
1311
1312 end = screen.bscroll - screen.cur.row + 1;
1313 if (count > end) {
1314 if (insdel == DELETE)
1315 return;
1316 else if (insdel == INSERT) 1481 else if (insdel == INSERT)
1317 count = end; 1482 count = end;
1318 } 1483 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1484
1485 scr_do_wrap ();
1486
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1487 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1488}
1323 1489
1324/* ------------------------------------------------------------------------- */ 1490/* ------------------------------------------------------------------------- */
1325/* 1491/*
1326 * Insert/Delete <count> characters from the current position 1492 * Insert/Delete <count> characters from the current position
1327 */ 1493 */
1328void 1494void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1495rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1330{ 1496{
1331 int col, row;
1332 rend_t tr;
1333 text_t *stp;
1334 rend_t *srp;
1335 int16_t *slp;
1336
1337 want_refresh = 1; 1497 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1498 ZERO_SCROLLBACK ();
1339 1499
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1500 if (count <= 0)
1346 return; 1501 return;
1347 1502
1503 scr_do_wrap ();
1504
1348 selection_check (1); 1505 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1506 min_it (count, ncol - screen.cur.col);
1350 1507
1351 row = screen.cur.row + TermWin.saveLines; 1508 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1509
1354 stp = screen.text[row]; 1510 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1511
1356 slp = &(screen.tlen[row]); 1512 line->touch ();
1513 line->is_longer (0);
1514
1515 // nuke wide spanning the start
1516 if (line->t[screen.cur.col] == NOCHAR)
1517 scr_kill_char (*line, screen.cur.col);
1518
1357 switch (insdel) { 1519 switch (insdel)
1520 {
1358 case INSERT: 1521 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1522 line->l = min (line->l + count, ncol);
1360 col--) { 1523
1524 if (line->t[screen.cur.col] == NOCHAR)
1525 scr_kill_char (*line, screen.cur.col);
1526
1527 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1528 {
1361 stp[col] = stp[col - count]; 1529 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1530 line->r[col] = line->r[col - count];
1363 } 1531 }
1364 if (*slp != -1) { 1532
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1533 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1534 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1535 {
1370 if (selection.end.row != screen.cur.row 1536 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1537 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1538 CLEAR_SELECTION ();
1539 else
1540 {
1373 else { /* shift selection */ 1541 /* shift selection */
1374 selection.beg.col += count; 1542 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1543 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1544 selection.end.col += count;
1377 } 1545 }
1378 } 1546 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1547
1380 (unsigned int)count, rstyle); 1548 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1549 break;
1550
1382 case ERASE: 1551 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1552 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1553 selection_check (1);
1385 screen.cur.col -= count; 1554 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1555
1387 (unsigned int)count, rstyle); 1556 // nuke wide char after the end
1557 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1558 scr_kill_char (*line, screen.cur.col + count);
1559
1560 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1561 break;
1562
1389 case DELETE: 1563 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1564 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1565
1566 // nuke wide char spanning the end
1567 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1568 scr_kill_char (*line, screen.cur.col + count);
1569
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1570 for (int col = screen.cur.col; (col + count) < ncol; col++)
1571 {
1393 stp[col] = stp[col + count]; 1572 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1573 line->r[col] = line->r[col + count];
1395 } 1574 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1575
1397 &(srp[TermWin.ncol - count]), 1576 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1577
1399 if (*slp == -1) /* break line continuation */
1400 *slp = TermWin.ncol;
1401 *slp -= count;
1402 MAX_IT(*slp, 0);
1403 if (selection.op && current_screen == selection.screen 1578 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1579 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1580 {
1405 if (selection.end.row != screen.cur.row 1581 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1582 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1583 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1584 CLEAR_SELECTION ();
1409 else { 1585 else
1586 {
1410 /* shift selection */ 1587 /* shift selection */
1411 selection.beg.col -= count; 1588 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1589 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1590 selection.end.col -= count;
1414 } 1591 }
1415 } 1592 }
1593
1416 break; 1594 break;
1417 } 1595 }
1418} 1596}
1419 1597
1420/* ------------------------------------------------------------------------- */ 1598/* ------------------------------------------------------------------------- */
1421/* 1599/*
1422 * Set the scrolling region 1600 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1601 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1602 */
1425void 1603void ecb_cold
1426rxvt_term::scr_scroll_region (int top, int bot) 1604rxvt_term::scr_scroll_region (int top, int bot) noexcept
1427{ 1605{
1428 MAX_IT(top, 0); 1606 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1607 min_it (bot, nrow - 1);
1608
1430 if (top > bot) 1609 if (top > bot)
1431 return; 1610 return;
1611
1432 screen.tscroll = top; 1612 screen.tscroll = top;
1433 screen.bscroll = bot; 1613 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1614 scr_gotorc (0, 0, 0);
1435} 1615}
1436 1616
1437/* ------------------------------------------------------------------------- */ 1617/* ------------------------------------------------------------------------- */
1438/* 1618/*
1439 * Make the cursor visible/invisible 1619 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1620 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1621 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1622 */
1443void 1623void ecb_cold
1444rxvt_term::scr_cursor_visible (int mode) 1624rxvt_term::scr_cursor_visible (int mode) noexcept
1445{ 1625{
1446 want_refresh = 1; 1626 want_refresh = 1;
1627
1447 if (mode) 1628 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1629 screen.flags |= Screen_VisibleCursor;
1449 else 1630 else
1450 screen.flags &= ~Screen_VisibleCursor; 1631 screen.flags &= ~Screen_VisibleCursor;
1451} 1632}
1452 1633
1453/* ------------------------------------------------------------------------- */ 1634/* ------------------------------------------------------------------------- */
1454/* 1635/*
1455 * Set/unset automatic wrapping 1636 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1637 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1638 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1639 */
1459void 1640void ecb_cold
1460rxvt_term::scr_autowrap (int mode) 1641rxvt_term::scr_autowrap (int mode) noexcept
1461{ 1642{
1462 if (mode) 1643 if (mode)
1463 screen.flags |= Screen_Autowrap; 1644 screen.flags |= Screen_Autowrap;
1464 else 1645 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1646 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1647}
1467 1648
1468/* ------------------------------------------------------------------------- */ 1649/* ------------------------------------------------------------------------- */
1469/* 1650/*
1470 * Set/unset margin origin mode 1651 * Set/unset margin origin mode
… …
1473 * Relative mode: line numbers are relative to top margin of scrolling region 1654 * Relative mode: line numbers are relative to top margin of scrolling region
1474 * and the cursor cannot be moved outside. 1655 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1656 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1657 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1658 */
1478void 1659void ecb_cold
1479rxvt_term::scr_relative_origin (int mode) 1660rxvt_term::scr_relative_origin (int mode) noexcept
1480{ 1661{
1481 if (mode) 1662 if (mode)
1482 screen.flags |= Screen_Relative; 1663 screen.flags |= Screen_Relative;
1483 else 1664 else
1484 screen.flags &= ~Screen_Relative; 1665 screen.flags &= ~Screen_Relative;
1666
1485 scr_gotorc (0, 0, 0); 1667 scr_gotorc (0, 0, 0);
1486} 1668}
1487 1669
1488/* ------------------------------------------------------------------------- */ 1670/* ------------------------------------------------------------------------- */
1489/* 1671/*
1490 * Set insert/replace mode 1672 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1673 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1674 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1675 */
1494void 1676void ecb_cold
1495rxvt_term::scr_insert_mode (int mode) 1677rxvt_term::scr_insert_mode (int mode) noexcept
1496{ 1678{
1497 if (mode) 1679 if (mode)
1498 screen.flags |= Screen_Insert; 1680 screen.flags |= Screen_Insert;
1499 else 1681 else
1500 screen.flags &= ~Screen_Insert; 1682 screen.flags &= ~Screen_Insert;
1501} 1683}
1502 1684
1503/* ------------------------------------------------------------------------- */ 1685/* ------------------------------------------------------------------------- */
1504/* 1686/*
1505 * Set/Unset tabs 1687 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1688 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1689 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1690 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1691 */
1510void 1692void ecb_cold
1511rxvt_term::scr_set_tab (int mode) 1693rxvt_term::scr_set_tab (int mode) noexcept
1512{ 1694{
1513 if (mode < 0) 1695 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1696 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1697 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1698 tabs [screen.cur.col] = !!mode;
1517} 1699}
1518 1700
1519/* ------------------------------------------------------------------------- */ 1701/* ------------------------------------------------------------------------- */
1520/* 1702/*
1521 * Set reverse/normal video 1703 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1704 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1705 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1706 */
1525void 1707void
1526rxvt_term::scr_rvideo_mode (int mode) 1708rxvt_term::scr_rvideo_mode (bool on) noexcept
1527{ 1709{
1710 rvideo_mode = on;
1711
1712#ifndef NO_BELL
1713 on ^= rvideo_bell;
1714#endif
1715
1716 if (rvideo_state != on)
1717 {
1718 rvideo_state = on;
1719
1720#if OFF_FOCUS_FADING
1721 if (rs[Rs_fade])
1722 {
1723 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1724 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1725 }
1726 else
1727#endif
1728 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1729#ifdef HAVE_IMG
1730 if (bg_img == 0)
1731#endif
1732 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1733
1528 XGCValues gcvalue; 1734 XGCValues gcvalue;
1529
1530 if (rvideo != mode) {
1531 rvideo = mode;
1532 SWAP_IT(PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1533#if defined(XPM_BACKGROUND)
1534 if (bgPixmap.pixmap == None)
1535#endif
1536#if defined(TRANSPARENT)
1537 if (!(Options & Opt_transparent) || am_transparent == 0)
1538#endif
1539 XSetWindowBackground(Xdisplay, TermWin.vt,
1540 PixColors[Color_bg]);
1541
1542 gcvalue.foreground = PixColors[Color_fg]; 1735 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1736 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1737 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1738
1546 scr_clear (); 1739 scr_clear ();
1547 scr_touch (true); 1740 scr_touch (true);
1548 } 1741 }
1549} 1742}
1550 1743
1551/* ------------------------------------------------------------------------- */ 1744/* ------------------------------------------------------------------------- */
1552/* 1745/*
1553 * Report current cursor position 1746 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1747 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1748 */
1556void 1749void ecb_cold
1557rxvt_term::scr_report_position () 1750rxvt_term::scr_report_position () noexcept
1558{ 1751{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1752 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1753}
1561 1754
1562/* ------------------------------------------------------------------------- * 1755/* ------------------------------------------------------------------------- *
1563 * FONTS * 1756 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1757 * ------------------------------------------------------------------------- */
1565 1758
1566/* 1759/*
1567 * Set font style 1760 * Set font style
1568 */ 1761 */
1569void 1762void ecb_cold
1570rxvt_term::set_font_style () 1763rxvt_term::set_font_style () noexcept
1571{ 1764{
1765#if 0
1572 switch (charsets[screen.charset]) { 1766 switch (charsets [screen.charset])
1767 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1768 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1769 break;
1575 case 'A': /* United Kingdom (UK) */ 1770 case 'A': /* United Kingdom (UK) */
1576 break; 1771 break;
1577 case 'B': /* United States (USASCII) */ 1772 case 'B': /* United States (USASCII) */
1578 break; 1773 break;
1579 case '<': /* Multinational character set */ 1774 case '<': /* Multinational character set */
1580 break; 1775 break;
1581 case '5': /* Finnish character set */ 1776 case '5': /* Finnish character set */
1582 break; 1777 break;
1583 case 'C': /* Finnish character set */ 1778 case 'C': /* Finnish character set */
1584 break; 1779 break;
1585 case 'K': /* German character set */ 1780 case 'K': /* German character set */
1586 break; 1781 break;
1587 } 1782 }
1783#endif
1588} 1784}
1589 1785
1590/* ------------------------------------------------------------------------- */ 1786/* ------------------------------------------------------------------------- */
1591/* 1787/*
1592 * Choose a font 1788 * Choose a font
1593 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1789 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1790 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1791 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1792 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1793 */
1598void 1794void ecb_cold
1599rxvt_term::scr_charset_choose (int set) 1795rxvt_term::scr_charset_choose (int set) noexcept
1600{ 1796{
1601 screen.charset = set; 1797 screen.charset = set;
1602 set_font_style (); 1798 set_font_style ();
1603} 1799}
1604 1800
1605/* ------------------------------------------------------------------------- */ 1801/* ------------------------------------------------------------------------- */
1606/* 1802/*
1607 * Set a font 1803 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1806 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1807 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1808 * See set_font_style for possible values for <C>
1613 */ 1809 */
1614void 1810void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1811rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1616{ 1812{
1617 charsets[set] = (unsigned char)ch; 1813 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1814 set_font_style ();
1619} 1815}
1620 1816
1621 1817
1622/* ------------------------------------------------------------------------- * 1818/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1819 * MAJOR SCREEN MANIPULATION *
1624 * ------------------------------------------------------------------------- */ 1820 * ------------------------------------------------------------------------- */
1625 1821
1626/* 1822/*
1627 * refresh matching text. 1823 * refresh matching text.
1628 */ 1824 */
1629bool 1825bool ecb_cold
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1826rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1631{ 1827{
1632 bool found = false; 1828 bool found = false;
1633 1829
1634 for (int i = 0; i < TermWin.nrow; i++) 1830 for (int i = 0; i < nrow; i++)
1635 { 1831 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1832 rend_t *drp = drawn_buf[i].r;
1638 1833
1639 for (; col < TermWin.ncol; col++, drp++) 1834 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1835 if ((*drp & mask) == value)
1641 { 1836 {
1642 found = true; 1837 found = true;
1643 *drp = ~value; 1838 *drp = ~value;
1644 } 1839 }
… …
1649 1844
1650/* 1845/*
1651 * Refresh an area 1846 * Refresh an area
1652 */ 1847 */
1653enum { 1848enum {
1654 PART_BEG = 0, 1849 PART_BEG = 0,
1655 PART_END, 1850 PART_END,
1656 RC_COUNT 1851 RC_COUNT
1657}; 1852};
1658 1853
1659void 1854void ecb_hot
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1855rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1661{ 1856{
1662 int i; 1857 int i;
1663 row_col_t rc[RC_COUNT]; 1858 row_col_t rc[RC_COUNT];
1664 1859
1665 if (drawn_text == NULL) /* sanity check */ 1860 if (!drawn_buf) /* sanity check */
1666 return; 1861 return;
1667 1862
1668#ifdef DEBUG_STRICT 1863#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1864 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1865 {
1671 y = max(y, (int)TermWin.int_bwidth); 1866 y = 0;
1672 y = min(y, (int)TermWin.height); 1867 eheight = height;
1868 }
1673#endif 1869#endif
1674 1870
1675/* round down */ 1871 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1872 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1873 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1874 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1875 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1876 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1877
1682/* sanity checks */ 1878 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1879 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1880 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1881 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1882 min_it (rc[i].row, nrow - 1);
1687 } 1883 }
1688
1689 D_SCREEN((stderr, "rxvt_scr_expose(x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)-(c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row));
1690 1884
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1885 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1886 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1693 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1887
1888 num_scr_allow = 0;
1694 1889
1695 if (refresh) 1890 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1891 scr_refresh ();
1697} 1892}
1698 1893
1699/* ------------------------------------------------------------------------- */ 1894/* ------------------------------------------------------------------------- */
1700/* 1895/*
1701 * Refresh the entire screen 1896 * Refresh the entire screen
1702 */ 1897 */
1703void 1898void
1704rxvt_term::scr_touch (bool refresh) 1899rxvt_term::scr_touch (bool refresh) noexcept
1705{ 1900{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1901 scr_expose (0, 0, vt_width, vt_height, refresh);
1707} 1902}
1708 1903
1709/* ------------------------------------------------------------------------- */ 1904/* ------------------------------------------------------------------------- */
1710/* 1905/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1906 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1907 * the top of the screen
1713 */ 1908 */
1714int 1909void
1715rxvt_term::scr_move_to (int y, int len) 1910rxvt_term::scr_move_to (int y, int len) noexcept
1716{ 1911{
1717 long p = 0; 1912 // lerp (y, 0, len, top_row, nrow - 1)
1718 uint16_t oldviewstart; 1913 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1719
1720 oldviewstart = TermWin.view_start;
1721 if (y < len) {
1722 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1723 p -= (long)(TermWin.nrow - 1);
1724 p = max(p, 0);
1725 }
1726 TermWin.view_start = (uint16_t)min(p, TermWin.nscrolled);
1727 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, TermWin.view_start));
1728
1729 return scr_changeview (oldviewstart);
1730} 1914}
1731 1915
1732/* ------------------------------------------------------------------------- */ 1916/* ------------------------------------------------------------------------- */
1733/* 1917/*
1734 * Page the screen up/down nlines 1918 * Page the screen up/down nlines
1735 * direction should be UP or DN 1919 * direction should be UP or DN
1736 */ 1920 */
1737int 1921bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1922rxvt_term::scr_page (int nlines) noexcept
1739{ 1923{
1740 int n;
1741 uint16_t oldviewstart;
1742
1743 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1744#ifdef DEBUG_STRICT
1745 assert((nlines >= 0) && (nlines <= TermWin.nrow));
1746#endif
1747 oldviewstart = TermWin.view_start;
1748 if (direction == UP) {
1749 n = TermWin.view_start + nlines;
1750 TermWin.view_start = min(n, TermWin.nscrolled);
1751 } else {
1752 n = TermWin.view_start - nlines;
1753 TermWin.view_start = max(n, 0);
1754 }
1755 return scr_changeview (oldviewstart); 1924 return scr_changeview (view_start - nlines);
1756} 1925}
1757 1926
1758int 1927bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1928rxvt_term::scr_changeview (int new_view_start) noexcept
1760{ 1929{
1761 if (TermWin.view_start != oldviewstart) { 1930 clamp_it (new_view_start, top_row, 0);
1931
1932 if (new_view_start == view_start)
1933 return false;
1934
1935 num_scr += new_view_start - view_start;
1936 view_start = new_view_start;
1762 want_refresh = 1; 1937 want_refresh = 1;
1763#ifdef RXVT_GRAPHICS
1764 if (Gr_Displayed ())
1765 Gr_scroll (0);
1766#endif
1767 num_scr -= (TermWin.view_start - oldviewstart);
1768 }
1769 return (int)(TermWin.view_start - oldviewstart);
1770}
1771 1938
1772/* ------------------------------------------------------------------------- */ 1939 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1940
1774rxvt_term::scr_bell () 1941 return true;
1775{ 1942}
1943
1776#ifndef NO_BELL 1944#ifndef NO_BELL
1945void
1946rxvt_term::bell_cb (ev::timer &w, int revents)
1947{
1948 rvideo_bell = false;
1949 scr_rvideo_mode (rvideo_mode);
1950 refresh_check ();
1951}
1952#endif
1953
1954/* ------------------------------------------------------------------------- */
1955void
1956rxvt_term::scr_bell () noexcept
1957{
1958#ifndef NO_BELL
1959
1777# ifndef NO_MAPALERT 1960# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1961# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1962 if (option (Opt_mapAlert))
1780# endif 1963# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1964 XMapWindow (dpy, parent);
1782# endif 1965# endif
1783 if (Options & Opt_visualBell) { 1966
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1967# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1968 if (option (Opt_urgentOnBell))
1786 } else 1969 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1970# endif
1789}
1790 1971
1972 if (option (Opt_visualBell))
1973 {
1974 rvideo_bell = true;
1975 scr_rvideo_mode (rvideo_mode);
1976 flush ();
1977
1978 bell_ev.start (VISUAL_BELL_DURATION);
1979 }
1980 else
1981 XBell (dpy, 0);
1982 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1983#endif
1984}
1985
1791/* ------------------------------------------------------------------------- */ 1986/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1987void ecb_cold
1793void
1794rxvt_term::scr_printscreen (int fullhist) 1988rxvt_term::scr_printscreen (int fullhist) noexcept
1795{ 1989{
1796#ifdef PRINTPIPE 1990#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1991 int nrows, row_start;
1798 text_t *t; 1992 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1993
1801 if ((fd = popen_printer ()) == NULL) 1994 if (!fd)
1802 return; 1995 return;
1803 nrows = TermWin.nrow; 1996
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1997 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1998 {
1811 1999 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 2000 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 2001 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 2002 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 2003 {
2004 nrows = nrow;
2005 row_start = view_start;
2006 }
2007
2008 wctomb (0, 0);
2009
2010 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2011 {
2012 text_t *tp = ROW(r1).t;
2013 int len = ROW(r1).l;
2014
2015 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2016 {
2017 char mb[MB_LEN_MAX];
2018 text_t t = *tp++;
2019 if (t == NOCHAR)
2020 continue;
2021
2022 len = wctomb (mb, t);
2023
2024 if (len <= 0)
2025 {
2026 mb[0] = ' ';
2027 len = 1;
2028 }
2029
2030 fwrite (mb, 1, len, fd);
2031 }
2032
2033 fputc ('\n', fd);
2034 }
2035
1819 pclose_printer (fd); 2036 pclose_printer (fd);
1820#endif 2037#endif
1821} 2038}
1822 2039
1823/* ------------------------------------------------------------------------- */ 2040/* ------------------------------------------------------------------------- */
1824/* 2041/*
1825 * Refresh the screen 2042 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2043 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2044 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2045 */
1829 2046void ecb_hot
1830#define FONT_WIDTH(X, Y) \ 2047rxvt_term::scr_refresh () noexcept
1831 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1832#define FONT_RBEAR(X, Y) \
1833 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1834#define FONT_LBEAR(X, Y) \
1835 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1836#define IS_FONT_CHAR(X, Y) \
1837 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1838
1839void
1840rxvt_term::scr_refresh (unsigned char refresh_type)
1841{ 2048{
1842 unsigned char clearfirst, /* first character writes before cell */
1843 clearlast, /* last character writes beyond cell */
1844 must_clear, /* use draw_string not draw_image_string */
1845 rvid, /* reverse video this position */
1846 showcursor; /* show the cursor */
1847 int16_t col, row, /* column/row we're processing */ 2049 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2050 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2051 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */ 2052 rend_t ccol1, /* Cursor colour */
2053 ccol2; /* Cursor colour2 */
2054 rend_t cur_rend;
2055 int cur_col;
2056 int cursorwidth;
2057
2058 want_refresh = 0; /* screen is current */
2059
2060 if (refresh_type == NO_REFRESH || !mapped)
2061 return;
2062
2063 /*
2064 * A: set up vars
2065 */
2066 refresh_count = 0;
2067
2068 unsigned int old_screen_flags = screen.flags;
2069 bool have_bg = 0;
2070#ifdef HAVE_IMG
2071 have_bg = bg_img != 0;
2072#endif
2073 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2074
2075 /*
2076 * B: reverse any characters which are selected
2077 */
2078 scr_reverse_selection ();
2079
2080 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2081#if ENABLE_OVERLAY
2082 scr_swap_overlay ();
2083#endif
2084
2085 bool showcursor = screen.flags & Screen_VisibleCursor;
2086
2087 /*
2088 * C: set the cursor character (s)
2089 */
2090 {
2091#ifdef CURSOR_BLINK
2092 if (hidden_cursor)
2093 showcursor = 0;
2094#endif
2095
2096 if (showcursor)
2097 {
2098 int col = screen.cur.col;
2099
2100 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2101 col--;
2102
2103 cursorwidth = 1;
2104 while (col + cursorwidth < ncol
2105 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2106 cursorwidth++;
2107
2108 cur_rend = ROW(screen.cur.row).r[col];
2109 cur_col = col;
2110
1852#ifndef NO_CURSORCOLOR 2111#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2112 if (ISSET_PIXCOLOR (Color_cursor))
1854#endif 2113 ccol1 = Color_cursor;
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1857
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1859 return;
1860
1861 /*
1862 * A: set up vars
1863 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0;
1867
1868 row_offset = TermWin.saveLines - TermWin.view_start;
1869
1870 if ((refresh_type & REFRESH_BOUNDS))
1871 {
1872 clearfirst = clearlast = 1;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875
1876#ifdef XPM_BACKGROUND
1877 must_clear |= (bgPixmap.pixmap != None);
1878#endif
1879#ifdef TRANSPARENT
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883
1884 /*
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888
1889 /*
1890 * C: set the cursor character(s)
1891 */
1892 {
1893 unsigned char setoldcursor;
1894 rend_t ccol1, /* Cursor colour */
1895 ccol2; /* Cursor colour2 */
1896
1897 showcursor = (screen.flags & Screen_VisibleCursor);
1898 cursorwidth = 0;
1899#ifdef CURSOR_BLINK
1900 if (hidden_cursor)
1901 showcursor = 0;
1902#endif
1903
1904 cursorwidth = 0;
1905
1906 if (showcursor)
1907 { 2114 else
1908 cursorwidth++; 2115#endif
2116#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2117 ccol1 = fgcolor_of (rstyle);
2118#else
2119 ccol1 = Color_fg;
2120#endif
1909 2121
1910 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1911 [screen.cur.col]);
1912
1913 if (showcursor && TermWin.focus)
1914 {
1915 *srp ^= RS_RVid;
1916#ifndef NO_CURSORCOLOR 2122#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2123 if (ISSET_PIXCOLOR (Color_cursor2))
1919 ccol1 = Color_cursor; 2124 ccol2 = Color_cursor2;
1920 else 2125 else
2126#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2127#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2128 ccol2 = bgcolor_of (rstyle);
1923#else 2129#else
1924 ccol1 = Color_fg;
1925#endif
1926 if (ISSET_PIXCOLOR (Color_cursor2))
1927 ccol2 = Color_cursor2;
1928 else
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle);
1931#else
1932 ccol2 = Color_bg; 2130 ccol2 = Color_bg;
1933#endif 2131#endif
1934 *srp = SET_FGCOLOR(*srp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2);
1936#endif
1937 }
1938 }
1939 2132
1940 /* make sure no outline cursor is left around */ 2133 if (focus && cursor_type == 0)
1941 setoldcursor = 0;
1942 if (ocrow != -1) {
1943 if (screen.cur.row + TermWin.view_start != ocrow
1944 || screen.cur.col != oldcursor.col) {
1945 if (ocrow < TermWin.nrow
1946 && oldcursor.col < TermWin.ncol) {
1947 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
1948 }
1949 if (TermWin.focus || !showcursor)
1950 oldcursor.row = -1;
1951 else
1952 setoldcursor = 1;
1953 } 2134 {
1954 } else if (!TermWin.focus) 2135 rend_t rend = cur_rend;
1955 setoldcursor = 1; 2136
1956 if (setoldcursor) { 2137 rend ^= RS_RVid;
1957 if (screen.cur.row + TermWin.view_start >= TermWin.nrow) 2138 rend = SET_FGCOLOR (rend, ccol1);
1958 oldcursor.row = -1; 2139 rend = SET_BGCOLOR (rend, ccol2);
1959 else { 2140
1960 oldcursor.row = screen.cur.row + TermWin.view_start; 2141 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1961 oldcursor.col = screen.cur.col;
1962 } 2142 }
1963 } 2143 }
2144
2145 /* make sure no outline cursor is left around */
2146 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2147 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2148
2149 // save the current cursor coordinates if the cursor is visible
2150 // and either the window is unfocused or the cursor style is
2151 // underline or vertical bar, so as to clear the outline cursor in
2152 // the next refresh if the cursor moves or becomes invisible
2153 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2154 {
2155 oldcursor.row = screen.cur.row - view_start;
2156 oldcursor.col = screen.cur.col;
1964 } 2157 }
2158 else
2159 oldcursor.row = -1;
2160 }
1965 2161
1966#ifndef NO_SLOW_LINK_SUPPORT 2162#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2163 /*
1968 * D: CopyArea pass - very useful for slower links 2164 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2165 * This has been deliberately kept simple.
1970 */ 2166 */
1971 i = num_scr; 2167 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2168 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2169 && abs (num_scr) < nrow && !have_bg)
1974 { 2170 {
1975 int16_t nits; 2171 int16_t nits;
1976 int j; 2172 int i = num_scr;
1977 rend_t *drp2; 2173 int j;
1978 text_t *dtp2; 2174 int len, wlen;
1979 int len, wlen;
1980 2175
1981 j = TermWin.nrow; 2176 j = nrow;
1982 wlen = len = -1; 2177 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2178 row = i > 0 ? 0 : j - 1;
2179
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2180 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2181 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2182 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2183 {
1988 stp = screen.text[row + row_offset]; 2184 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2185 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2186 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2187
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2188 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2189 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2190 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2191 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2192 nits++;
2000 2193
2001 if (nits > 8) /* XXX: arbitrary choice */ 2194 if (nits > 8) /* XXX: arbitrary choice */
2195 {
2196 for (col = ncol; col--; )
2197 {
2198 *d.t++ = *d2.t++;
2199 *d.r++ = *d2.r++;
2200 }
2201
2202 if (len == -1)
2203 len = row;
2204
2205 wlen = row;
2206 continue;
2207 }
2208 }
2209
2210 if (len >= 0)
2211 {
2212 /* also comes here at end if needed because of >= above */
2213 if (wlen < len)
2214 ::swap (wlen, len);
2215
2216 XGCValues gcv;
2217
2218 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2219 XCopyArea (dpy, vt, vt,
2220 gc, 0, Row2Pixel (len + i),
2221 (unsigned int)this->width,
2222 (unsigned int)Height2Pixel (wlen - len + 1),
2223 0, Row2Pixel (len));
2224 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2225
2226 len = -1;
2227 }
2228 }
2229 }
2230#endif
2231
2232 /*
2233 * E: main pass across every character
2234 */
2235 for (row = 0; row < nrow; row++)
2236 {
2237 text_t *stp = ROW(view_start + row).t;
2238 rend_t *srp = ROW(view_start + row).r;
2239 text_t *dtp = drawn_buf[row].t;
2240 rend_t *drp = drawn_buf[row].r;
2241
2242 /*
2243 * E2: OK, now the real pass
2244 */
2245 int ypixel = (int)Row2Pixel (row);
2246
2247 for (col = 0; col < ncol; col++)
2248 {
2249 /* compare new text with old - if exactly the same then continue */
2250 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2251 continue;
2252
2253 // redraw one or more characters
2254
2255 // seek to the beginning of wide characters
2256 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2257 --col;
2258
2259 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2260 text_t *text = stp + col;
2261 int count = 1;
2262
2263 dtp[col] = stp[col];
2264 drp[col] = rend;
2265
2266 int xpixel = Col2Pixel (col);
2267
2268 for (i = 0; ++col < ncol; )
2269 {
2270 if (stp[col] == NOCHAR)
2271 {
2272 dtp[col] = stp[col];
2273 drp[col] = srp[col];
2274
2275 count++;
2276 i++;
2277
2278 continue;
2279 }
2280
2281 if (!RS_SAME (rend, srp[col]))
2282 break;
2283
2284 count++;
2285
2286 if (stp[col] != dtp[col]
2287 || !RS_SAME (srp[col], drp[col]))
2288 {
2289 if (have_bg && (i++ > count / 2))
2290 break;
2291
2292 dtp[col] = stp[col];
2293 drp[col] = rend;
2294 i = 0;
2295 }
2296 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2297 break;
2298 }
2299
2300 col--; /* went one too far. move back */
2301 count -= i; /* dump any matching trailing chars */
2302
2303 // sometimes we optimize away the trailing NOCHAR's, add them back
2304 while (ecb_unlikely (i && text[count] == NOCHAR))
2305 count++, i--;
2306
2307 /*
2308 * Determine the attributes for the string
2309 */
2310 int fore = fgcolor_of (rend); // desired foreground
2311 int back = bgcolor_of (rend); // desired background
2312
2313 // only do special processing if any attributes are set, which is unlikely
2314 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2315 {
2316 bool invert = rend & RS_RVid;
2317
2318#ifndef NO_BOLD_UNDERLINE_REVERSE
2319 if (rend & RS_Bold && fore == Color_fg)
2320 {
2321 if (ISSET_PIXCOLOR (Color_BD))
2322 fore = Color_BD;
2323# if !ENABLE_STYLES
2324 else
2325 invert = !invert;
2326# endif
2327 }
2328
2329 if (rend & RS_Italic && fore == Color_fg)
2330 {
2331 if (ISSET_PIXCOLOR (Color_IT))
2332 fore = Color_IT;
2333# if !ENABLE_STYLES
2334 else
2335 invert = !invert;
2336# endif
2337 }
2338
2339 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2340 fore = Color_UL;
2341#endif
2342
2343#ifdef OPTION_HC
2344 if (rend & RS_Sel)
2345 {
2346 /* invert the column if no highlightColor is set or it is the
2347 * current cursor column */
2348 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2349 && ISSET_PIXCOLOR (Color_HC))
2350 {
2351 if (ISSET_PIXCOLOR (Color_HTC))
2352 fore = Color_HTC;
2353 // if invert is 0 reverse video is set so we use bg color as fg color
2354 else if (!invert)
2355 fore = back;
2356
2357 back = Color_HC;
2358 invert = 0;
2359 }
2360 }
2361#endif
2362
2363 if (invert)
2364 {
2365 ::swap (fore, back);
2366
2367#ifndef NO_BOLD_UNDERLINE_REVERSE
2368 if (fore == back)
2369 {
2370 fore = Color_bg;
2371 back = Color_fg;
2372 }
2373#endif
2374 }
2375
2376#ifdef TEXT_BLINK
2377 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2378 {
2379 if (!text_blink_ev.is_active ())
2380 {
2381 text_blink_ev.again ();
2382 hidden_text = 0;
2383 }
2384 else if (hidden_text)
2385 fore = back;
2386 }
2387#endif
2388
2389#if ENABLE_STYLES
2390 // "careful" (too wide) character handling
2391
2392 // include previous careful character(s) if possible, looks nicer (best effort...)
2393 while (text > stp
2394 && srp[text - stp - 1] & RS_Careful
2395 && RS_SAME (rend, srp[text - stp - 1]))
2396 text--, count++, xpixel -= fwidth;
2397
2398 // force redraw after "careful" characters to avoid pixel droppings
2399 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2400 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2401
2402 // force redraw before "careful" characters to avoid pixel droppings
2403 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2404 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2405#endif
2406 }
2407
2408 /*
2409 * Actually do the drawing of the string here
2410 */
2411 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2412
2413 if (ecb_likely (have_bg && back == Color_bg))
2414 {
2415 // this is very ugly, maybe push it into ->draw?
2416
2417 for (i = 0; i < count; i++) /* don't draw empty strings */
2418 if (text[i] != ' ')
2002 { 2419 {
2003 for (col = TermWin.ncol; col--; ) 2420 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2421 goto did_clear;
2005 *dtp++ = *dtp2++;
2006 *drp++ = *drp2++;
2007 }
2008
2009 if (len == -1)
2010 len = row;
2011
2012 wlen = row;
2013 continue;
2014 } 2422 }
2423
2424 CLEAR_CHARS (xpixel, ypixel, count);
2425 did_clear: ;
2015 } 2426 }
2427 else
2428 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2429
2017 if (len != -1) 2430 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2431 {
2019 /* also comes here at end if needed because of >= above */ 2432 if (showcursor && focus && row == screen.cur.row
2020 if (wlen < len) 2433 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2021 SWAP_IT(wlen, len, int); 2434 XSetForeground (dpy, gc, pix_colors[ccol1]);
2435 else
2436#if ENABLE_FRILLS
2437 if (ISSET_PIXCOLOR (Color_underline))
2438 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2439 else
2440#endif
2441 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2442
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2443 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2444 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2445 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2026 (unsigned int)TermWin_TotalWidth (),
2027 (unsigned int)Height2Pixel (wlen - len + 1),
2028 0, Row2Pixel (len));
2029 len = -1;
2030 } 2446 }
2031 } 2447 } /* for (col....) */
2032 } 2448 } /* for (row....) */
2033#endif
2034 2449
2035 /* 2450 /*
2036 * E: main pass across every character 2451 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2452 */
2038 for (row = 0; row < TermWin.nrow; row++) 2453 if (showcursor)
2039 { 2454 {
2040 stp = screen.text[row + row_offset]; 2455 if (focus)
2041 srp = screen.rend[row + row_offset];
2042 dtp = drawn_text[row];
2043 drp = drawn_rend[row];
2044
2045 /*
2046 * E2: OK, now the real pass
2047 */
2048 int ypixel = (int)Row2Pixel(row);
2049
2050 for (col = 0; col < TermWin.ncol; col++)
2051 { 2456 {
2052 /* compare new text with old - if exactly the same then continue */ 2457 if (cursor_type == 0)
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2458 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2054 2459 else if (oldcursor.row >= 0)
2055 if (stp[col] == dtp[col] /* Must match characters to skip. */
2056 && (rend == drp[col] /* Either rendition the same or */
2057 || (stp[col] == ' ' /* space w/ no background change */
2058 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2059 continue;
2060
2061 text_t *text = stp + col;
2062 int count = 1;
2063
2064 /* redraw one or more characters */
2065
2066 dtp[col] = stp[col];
2067 drp[col] = rend;
2068
2069 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2070 continue;
2071
2072 int xpixel = Col2Pixel(col);
2073
2074 // this loop looks very messy, it can probably be optimized
2075 // and cleaned a bit by you?
2076 for (i = 0; ++col < TermWin.ncol; )
2077 { 2460 {
2078 if (stp[col] == NOCHAR) 2461 XSetForeground (dpy, gc, pix_colors[ccol1]);
2462 if (cursor_type == 1)
2463 XFillRectangle (dpy, vt, gc,
2464 Col2Pixel (cur_col),
2465 Row2Pixel (oldcursor.row + 1) - 2,
2466 Width2Pixel (1),
2467 2);
2079 { 2468 else
2080 dtp[col] = stp[col]; 2469 XFillRectangle (dpy, vt, gc,
2081 drp[col] = rend; 2470 Col2Pixel (cur_col),
2082 count++; 2471 Row2Pixel (oldcursor.row),
2083 2472 2,
2084 if (i) // only possible skip if char unchanged 2473 Height2Pixel (1));
2085 i++;
2086
2087 continue;
2088 }
2089
2090 if (rend != srp[col])
2091 break;
2092
2093 count++;
2094
2095 if (stp[col] != dtp[col]
2096 || srp[col] != drp[col])
2097 {
2098 if (must_clear && (i++ > (count / 2)))
2099 break;
2100
2101 dtp[col] = stp[col];
2102 drp[col] = rend;
2103 i = 0;
2104 }
2105 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2106 break;
2107 } 2474 }
2108
2109 col--; /* went one too far. move back */
2110 count -= i; /* dump any matching trailing chars */
2111
2112 /*
2113 * Determine the attributes for the string
2114 */
2115 int fid = GET_FONT (rend);
2116 int fore = GET_FGCOLOR (rend); // desired foreground
2117 int back = GET_BGCOLOR (rend); // desired background
2118
2119 rend = GET_ATTR (rend);
2120
2121 rvid = !!(rend & RS_RVid);
2122#ifdef TEXT_BLINK
2123 if (rend & RS_Blink)
2124 {
2125 if (!text_blink_ev.active)
2126 {
2127 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2128 hidden_text = 0;
2129 }
2130 else if (hidden_text)
2131 fore = back;
2132 } 2475 }
2133#endif 2476 else if (oldcursor.row >= 0)
2134 if (rvid)
2135 { 2477 {
2136 SWAP_IT(fore, back, int); 2478 XSetForeground (dpy, gc, pix_colors[ccol1]);
2137 2479
2138#ifndef NO_BOLD_UNDERLINE_REVERSE 2480 XDrawRectangle (dpy, vt, gc,
2139 if (ISSET_PIXCOLOR (Color_RV) 2481 Col2Pixel (cur_col),
2140# ifndef NO_CURSORCOLOR 2482 Row2Pixel (oldcursor.row),
2141 && !ISSET_PIXCOLOR (Color_cursor) 2483 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2484 (unsigned int) (Height2Pixel (1) - 1));
2485 }
2486 }
2487
2488 /*
2489 * H: cleanup selection
2490 */
2491#if ENABLE_OVERLAY
2492 scr_swap_overlay ();
2493#endif
2494 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2495
2496 scr_reverse_selection ();
2497
2498 screen.flags = old_screen_flags;
2499 num_scr = 0;
2500 num_scr_allow = 1;
2501}
2502
2503void ecb_cold
2504rxvt_term::scr_remap_chars (line_t &l) noexcept
2505{
2506 if (!l.valid ())
2507 return;
2508
2509 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2510
2511 for (int i = ncol; i--; )
2512 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2513}
2514
2515void ecb_cold
2516rxvt_term::scr_remap_chars () noexcept
2517{
2518 for (int i = total_rows; i--; )
2519 scr_remap_chars (row_buf [i]);
2520
2521 for (int i = nrow; i--; )
2522 {
2523 scr_remap_chars (drawn_buf [i]);
2524 scr_remap_chars (swap_buf [i]);
2525 }
2526}
2527
2528void ecb_cold
2529rxvt_term::scr_recolor (bool refresh) noexcept
2530{
2531 bool transparent = false;
2532
2533#ifdef HAVE_IMG
2534 if (bg_img != 0)
2535 {
2536# if ENABLE_TRANSPARENCY
2537 if (bg_flags & BG_IS_TRANSPARENT)
2538 {
2539 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2540 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2541
2542 transparent = true;
2543 }
2544 else
2142# endif 2545# endif
2143 )
2144 back = Color_RV;
2145#endif
2146 }
2147#ifndef NO_BOLD_UNDERLINE_REVERSE
2148 else if (rend & RS_Bold)
2149 {
2150 if (ISSET_PIXCOLOR (Color_BD))
2151 fore = Color_BD;
2152 else if (fore == Color_fg)
2153 fore = Color_White;
2154 }
2155 else if (rend & RS_Uline)
2156 {
2157 if (ISSET_PIXCOLOR (Color_UL))
2158 fore = Color_UL;
2159 }
2160#endif
2161
2162 /*
2163 * Actually do the drawing of the string here
2164 */
2165 rxvt_font *font = (*TermWin.fontset)[fid];
2166
2167 if (back == Color_bg)
2168 {
2169 if (must_clear)
2170 {
2171 CLEAR_CHARS (xpixel, ypixel, count);
2172
2173 for (i = 0; i < count; i++) /* don't draw empty strings */
2174 if (text[i] != ' ')
2175 {
2176 font->draw (xpixel, ypixel, text, count, fore, -1);
2177 break;
2178 }
2179 }
2180 else
2181 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2182 }
2183 else
2184 font->draw (xpixel, ypixel, text, count, fore, back);
2185
2186 if ((rend & RS_Uline) && (font->descent > 1))
2187 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2188 xpixel, ypixel + font->ascent + 1,
2189 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2190 } /* for (col....) */
2191 } /* for (row....) */
2192
2193 /*
2194 * G: cleanup cursor and display outline cursor if necessary
2195 */
2196 if (showcursor) {
2197 if (TermWin.focus) {
2198 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2199 [screen.cur.col]);
2200 *srp ^= RS_RVid;
2201#ifndef NO_CURSORCOLOR
2202 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2203#endif
2204 } else if (oldcursor.row >= 0) {
2205#ifndef NO_CURSORCOLOR
2206 if (ISSET_PIXCOLOR (Color_cursor))
2207 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2208#endif
2209 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2210 Col2Pixel(oldcursor.col),
2211 Row2Pixel(oldcursor.row),
2212 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2213 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2214 } 2546 {
2215 } 2547 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2216 2548 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2217 /*
2218 * H: cleanup selection
2219 */
2220 scr_reverse_selection ();
2221
2222 /*
2223 * I: other general cleanup
2224 */
2225 if (clearfirst && TermWin.int_bwidth)
2226 /* 2549 }
2227 * clear the whole screen height, note that width == 0 is treated 2550 }
2228 * specially by XClearArea 2551 else
2229 */ 2552#endif
2230 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2553 {
2231 (unsigned int)TermWin.int_bwidth, 2554 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2232 (unsigned int)TermWin_TotalHeight(), False); 2555 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2233 if (clearlast && TermWin.int_bwidth) 2556 }
2234 /*
2235 * clear the whole screen height, note that width == 0 is treated
2236 * specially by XClearArea
2237 */
2238 XClearArea(Xdisplay, TermWin.vt,
2239 TermWin.width + TermWin.int_bwidth, 0,
2240 (unsigned int)TermWin.int_bwidth,
2241 (unsigned int)TermWin_TotalHeight(), False);
2242 if (refresh_type & SMOOTH_REFRESH)
2243 XSync(Xdisplay, False);
2244 2557
2245 num_scr = 0; 2558 XClearWindow (dpy, parent);
2246 num_scr_allow = 1;
2247 want_refresh = 0; /* screen is current */
2248}
2249 2559
2560 if (scrollBar.state && scrollBar.win)
2561 {
2562 if (transparent)
2563 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2564 else
2565 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2566 scrollBar.state = SB_STATE_IDLE;
2567 scrollBar.show (0);
2568 }
2569
2570 if (refresh)
2571 {
2572 scr_clear ();
2573 scr_touch (true);
2574 }
2575 want_refresh = 1;
2576}
2577
2250/* ------------------------------------------------------------------------- */ 2578/* ------------------------------------------------------------------------- */
2251void 2579void
2252rxvt_term::scr_clear() 2580rxvt_term::scr_clear (bool really) noexcept
2253{ 2581{
2254 if (!TermWin.mapped) 2582 if (!mapped)
2255 return; 2583 return;
2256 2584
2257 num_scr_allow = 0; 2585 num_scr_allow = 0;
2258 want_refresh = 1; 2586 want_refresh = 1;
2259#ifdef TRANSPARENT 2587
2260 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2588 if (really)
2589 XClearWindow (dpy, vt);
2590}
2591
2592void
2593rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2594{
2595 int view_end = view_start + nrow;
2596 int row, col;
2597
2598 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2599 {
2600 text_t *stp = ROW(row).t;
2601 rend_t *srp = ROW(row).r;
2602
2603 for (col = beg_col; col < end_col; col++)
2604 srp[col] ^= rstyle1;
2605
2606 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2607 srp[col] ^= rstyle2;
2608
2609 if (++col < end_col)
2610 srp[col] ^= rstyle2;
2261 { 2611 }
2262 int i; 2612}
2263 2613
2264 if (!(Options & Opt_transparent_all)) 2614void
2615rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2616{
2617 int view_end = view_start + nrow;
2618 int row, col;
2619
2620 if (beg_row >= view_start)
2621 {
2622 col = beg_col;
2623 row = beg_row;
2624 }
2625 else
2626 {
2265 i = 0; 2627 col = 0;
2628 row = view_start;
2629 }
2630
2631 for (; row < min (end_row, view_end); row++, col = 0)
2632 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2633 srp[col] ^= rstyle;
2634
2635 if (row == end_row)
2636 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2637 srp[col] ^= rstyle;
2638}
2639
2640/* ------------------------------------------------------------------------- */
2641void ecb_hot
2642rxvt_term::scr_reverse_selection () noexcept
2643{
2644 if (selection.op
2645 && current_screen == selection.screen
2646 && selection.end.row >= view_start)
2647 {
2648#if !ENABLE_MINIMAL
2649 if (selection.rect)
2650 scr_xor_rect (selection.beg.row, selection.beg.col,
2651 selection.end.row, selection.end.col,
2652 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2266 else 2653 else
2267 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2268
2269 while (i--)
2270 if (TermWin.parent[i] != None)
2271 XClearWindow(Xdisplay, TermWin.parent[i]);
2272 }
2273#endif 2654#endif
2274 2655 scr_xor_span (selection.beg.row, selection.beg.col,
2275 XClearWindow (Xdisplay, TermWin.vt); 2656 selection.end.row, selection.end.col,
2276} 2657 RS_Sel | RS_RVid);
2277
2278/* ------------------------------------------------------------------------- */
2279void
2280rxvt_term::scr_reverse_selection ()
2281{
2282 int i, col, row, end_row;
2283 rend_t *srp;
2284
2285 if (selection.op && current_screen == selection.screen) {
2286 end_row = TermWin.saveLines - TermWin.view_start;
2287 i = selection.beg.row + TermWin.saveLines;
2288 row = selection.end.row + TermWin.saveLines;
2289 if (i >= end_row)
2290 col = selection.beg.col;
2291 else {
2292 col = 0;
2293 i = end_row;
2294 }
2295 end_row += TermWin.nrow;
2296 for (; i < row && i < end_row; i++, col = 0)
2297 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2298 srp[col] ^= RS_RVid;
2299 if (i == row && i < end_row)
2300 for (srp = screen.rend[i]; col < selection.end.col; col++)
2301 srp[col] ^= RS_RVid;
2302 } 2658 }
2303} 2659}
2304 2660
2305/* ------------------------------------------------------------------------- */ 2661/* ------------------------------------------------------------------------- */
2306/* 2662/*
2307 * Dump the whole scrollback and screen to the passed filedescriptor. The 2663 * Dump the whole scrollback and screen to the passed filedescriptor. The
2308 * invoking routine must close the fd. 2664 * invoking routine must close the fd.
2309 */ 2665 */
2310#if 0 2666#if 0
2311void 2667void
2312rxvt_term::scr_dump (int fd) 2668rxvt_term::scr_dump (int fd) noexcept
2313{ 2669{
2314 int row, wrote; 2670 // if this method is needed, it can be implemented by factoring the
2315 unsigned int width, towrite; 2671 // relevant code in scr_printscreen
2316 char r1[] = "\n";
2317
2318 for (row = TermWin.saveLines - TermWin.nscrolled;
2319 row < TermWin.saveLines + TermWin.nrow - 1; row++) {
2320 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2321 : TermWin.ncol;
2322 for (towrite = width; towrite; towrite -= wrote) {
2323 wrote = write(fd, &(screen.text[row][width - towrite]),
2324 towrite);
2325 if (wrote < 0)
2326 return; /* XXX: death, no report */
2327 }
2328 if (screen.tlen[row] >= 0)
2329 if (write(fd, r1, 1) <= 0)
2330 return; /* XXX: death, no report */
2331 }
2332} 2672}
2333#endif 2673#endif
2334 2674
2335/* ------------------------------------------------------------------------- * 2675/* ------------------------------------------------------------------------- *
2336 * CHARACTER SELECTION * 2676 * CHARACTER SELECTION *
2337 * ------------------------------------------------------------------------- */ 2677 * ------------------------------------------------------------------------- */
2338
2339/*
2340 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2341 */
2342void 2678void
2343rxvt_term::selection_check (int check_more) 2679rxvt_term::selection_check (int check_more) noexcept
2344{ 2680{
2345 row_col_t pos;
2346
2347 if (!selection.op) 2681 if (!selection.op)
2348 return; 2682 return;
2349 2683
2350 pos.row = pos.col = 0; 2684 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2351 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2685 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2352 || (selection.beg.row >= TermWin.nrow) 2686 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2353 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2354 || (selection.mark.row >= TermWin.nrow)
2355 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2356 || (selection.end.row >= TermWin.nrow)
2357 || (check_more == 1 2687 || (check_more == 1
2358 && current_screen == selection.screen 2688 && current_screen == selection.screen
2359 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2689 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2360 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2690 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2361 || (check_more == 2
2362 && ROWCOL_IS_BEFORE(selection.beg, pos)
2363 && ROWCOL_IS_AFTER(selection.end, pos))
2364 || (check_more == 3
2365 && ROWCOL_IS_AFTER(selection.end, pos))
2366 || (check_more == 4 /* screen width change */
2367 && (selection.beg.row != selection.end.row
2368 || selection.end.col > TermWin.ncol)))
2369 CLEAR_SELECTION(); 2691 CLEAR_ALL_SELECTION ();
2692}
2693
2694void
2695rxvt_term::selection_changed () noexcept
2696{
2697 line_t &r1 = ROW (selection.beg.row);
2698 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2699 ++selection.beg.col;
2700
2701 line_t &r2 = ROW (selection.end.row);
2702 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2703 ++selection.end.col;
2704
2705 want_refresh = 1;
2370} 2706}
2371 2707
2372/* ------------------------------------------------------------------------- */ 2708/* ------------------------------------------------------------------------- */
2373/* 2709/*
2374 * Paste a selection direct to the command fd 2710 * Paste a selection direct to the command fd
2375 */ 2711 */
2376void 2712void
2377rxvt_term::paste (const unsigned char *data, unsigned int len) 2713rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2378{ 2714{
2379 unsigned int i, j, n;
2380 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2381
2382#if 0
2383 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2384 ZERO_SCROLLBACK (r);
2385#endif
2386
2387 /* convert normal newline chars into common keyboard Return key sequence */ 2715 /* convert normal newline chars into common keyboard Return key sequence */
2388 for (i = 0; i < len; i += PROP_SIZE) 2716 for (unsigned int i = 0; i < len; i++)
2389 { 2717 if (data[i] == C0_LF)
2390 n = min (len - i, PROP_SIZE); 2718 data[i] = C0_CR;
2391 MEMCPY (ds, data + i, n);
2392 2719
2393 for (j = 0; j < n; j++) 2720 #if ENABLE_FRILLS
2394 if (ds[j] == '\n') 2721 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2395 ds[j] = '\r'; 2722 tt_printf ("\x1b[200~");
2396
2397 tt_write (ds, (int)n);
2398 }
2399
2400 free(ds);
2401}
2402
2403/* ------------------------------------------------------------------------- */
2404/*
2405 * Respond to a notification that a primary selection has been sent
2406 * EXT: SelectionNotify
2407 */
2408int
2409rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2410{
2411 long nread = 0;
2412 unsigned long bytes_after;
2413 XTextProperty ct;
2414
2415 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2416
2417 if (prop == None) /* check for failed XConvertSelection */
2418 {
2419 if ((selection_type & Sel_CompoundText))
2420 {
2421 int selnum = selection_type & Sel_whereMask;
2422
2423 selection_type = 0;
2424 if (selnum != Sel_direct)
2425 selection_request_other (XA_STRING, selnum);
2426 }
2427
2428 if ((selection_type & Sel_UTF8String))
2429 {
2430 int selnum = selection_type & Sel_whereMask;
2431
2432 selection_type = Sel_CompoundText;
2433 if (selnum != Sel_direct)
2434 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2435 else
2436 selection_type = 0;
2437 }
2438
2439 return 0;
2440 }
2441
2442 for (;;)
2443 {
2444 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2445 (long)(PROP_SIZE / 4), delete_prop,
2446 AnyPropertyType, &ct.encoding, &ct.format,
2447 &ct.nitems, &bytes_after,
2448 &ct.value) != Success)
2449 break;
2450
2451 if (ct.encoding == 0)
2452 {
2453 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2454 break;
2455 }
2456
2457 if (ct.value == NULL)
2458 {
2459 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2460 continue;
2461 }
2462
2463 if (ct.nitems == 0)
2464 {
2465 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2466 if (selection_wait == Sel_normal && nread == 0)
2467 {
2468 /*
2469 * pass through again trying CUT_BUFFER0 if we've come from
2470 * XConvertSelection() but nothing was presented
2471 */
2472 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2473 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2474 }
2475
2476 nread = -1; /* discount any previous stuff */
2477 break;
2478 }
2479
2480 nread += ct.nitems;
2481
2482 char **cl;
2483 int cr;
2484 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2485 &cr) >= 0 && cl)
2486 {
2487 for (int i = 0; i < cr; i++)
2488 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2489
2490 XFreeStringList (cl);
2491 }
2492 else
2493 paste (ct.value, ct.nitems);
2494
2495 if (bytes_after == 0)
2496 break;
2497
2498 XFree (ct.value);
2499 }
2500
2501 if (ct.value)
2502 XFree (ct.value);
2503
2504 if (selection_wait == Sel_normal)
2505 selection_wait = Sel_none;
2506
2507 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2508 return (int)nread;
2509}
2510
2511void
2512rxvt_term::incr_cb (time_watcher &w)
2513{
2514 selection_wait = Sel_none;
2515
2516 rxvt_print_error ("data loss: timeout on INCR selection paste");
2517}
2518
2519/*
2520 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2521 */
2522void
2523rxvt_term::selection_property (Window win, Atom prop)
2524{
2525 int reget_time = 0;
2526
2527 if (prop == None)
2528 return;
2529 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2530 if (selection_wait == Sel_normal) {
2531 int a, afmt;
2532 Atom atype;
2533 unsigned long bytes_after, nitems;
2534 unsigned char *s = NULL;
2535
2536 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2537 xa[XA_INCR], &atype, &afmt, &nitems,
2538 &bytes_after, &s);
2539 if (s)
2540 XFree(s);
2541 if (a != Success)
2542 return;
2543#ifndef __CYGWIN32__
2544 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2545 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2546 XDeleteProperty(Xdisplay, win, prop);
2547 XFlush(Xdisplay);
2548 reget_time = 1;
2549 selection_wait = Sel_incr;
2550 }
2551#endif 2723 #endif
2552 } else if (selection_wait == Sel_incr) { 2724
2553 reget_time = 1; 2725 tt_write (data, len);
2554 if (selection_paste (win, prop, True) == -1) { 2726
2555 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); 2727 #if ENABLE_FRILLS
2556 selection_wait = Sel_none; 2728 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2557 incr_ev.stop (); 2729 tt_printf ("\x1b[201~");
2558 } 2730 #endif
2559 }
2560 if (reget_time) /* received more data so reget time */
2561 incr_ev.start (NOW + 10);
2562} 2731}
2732
2733void
2734rxvt_term::paste (char *data, unsigned int len) noexcept
2735{
2736 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2737 return;
2738
2739 tt_paste (data, len);
2740}
2741
2563/* ------------------------------------------------------------------------- */ 2742/* ------------------------------------------------------------------------- */
2564/* 2743/*
2565 * Request the current selection: 2744 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2566 * Order: > internal selection if available 2745 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2567 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2746 * as fallback
2568 * > CUT_BUFFER0
2569 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2570 * will auto fallback to CUT_BUFFER0
2571 * EXT: button 2 release 2747 * EXT: button 2 release
2572 */ 2748 */
2573void 2749void
2574rxvt_term::selection_request (Time tm, int x, int y) 2750rxvt_term::selection_request (Time tm, int selnum) noexcept
2575{ 2751{
2576 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2752 if (!selection_req)
2577 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2578 return; /* outside window */
2579
2580 if (selection.text != NULL) { /* internal selection */
2581 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2582 paste (selection.text, selection.len);
2583 return;
2584 } else {
2585 int i;
2586
2587 selection_request_time = tm;
2588 selection_wait = Sel_normal;
2589 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2590#if X_HAVE_UTF8_STRING
2591 selection_type = Sel_UTF8String;
2592 if (selection_request_other (xa[XA_UTF8_STRING], i))
2593 return;
2594#else
2595 selection_type = Sel_CompoundText;
2596 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2597 return;
2598#endif
2599 }
2600 } 2753 {
2601 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2754 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2602 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2755 selection_req->run ();
2603 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2604}
2605
2606int
2607rxvt_term::selection_request_other (Atom target, int selnum)
2608{
2609 Atom sel;
2610#ifdef DEBUG_SELECT
2611 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2612#endif
2613
2614 selection_type |= selnum;
2615 if (selnum == Sel_Primary)
2616 sel = XA_PRIMARY;
2617 else if (selnum == Sel_Secondary)
2618 sel = XA_SECONDARY;
2619 else
2620 sel = xa[XA_CLIPBOARD];
2621 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2622 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2623 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2624 TermWin.vt, selection_request_time);
2625 return 1;
2626 } 2756 }
2627 return 0;
2628} 2757}
2629 2758
2630/* ------------------------------------------------------------------------- */ 2759/* ------------------------------------------------------------------------- */
2631/* 2760/*
2632 * Clear all selected text 2761 * Clear all selected text
2633 * EXT: SelectionClear 2762 * EXT: SelectionClear
2634 */ 2763 */
2635void 2764void
2636rxvt_term::selection_clear () 2765rxvt_term::selection_clear (bool clipboard) noexcept
2637{ 2766{
2638 D_SELECT((stderr, "rxvt_selection_clear()")); 2767 if (!clipboard)
2639 2768 {
2640 want_refresh = 1; 2769 want_refresh = 1;
2641 if (selection.text)
2642 free(selection.text); 2770 free (selection.text);
2643 selection.text = NULL; 2771 selection.text = NULL;
2644 selection.len = 0; 2772 selection.len = 0;
2645 CLEAR_SELECTION(); 2773 CLEAR_SELECTION ();
2774
2775 if (display->selection_owner == this)
2776 display->selection_owner = 0;
2777 }
2778 else
2779 {
2780 free (selection.clip_text);
2781 selection.clip_text = NULL;
2782 selection.clip_len = 0;
2783
2784 if (display->clipboard_owner == this)
2785 display->clipboard_owner = 0;
2786 }
2646} 2787}
2647 2788
2648/* ------------------------------------------------------------------------- */ 2789/* ------------------------------------------------------------------------- */
2649/* 2790/*
2650 * Copy a selection into the cut buffer 2791 * Copy a selection into the cut buffer
2651 * EXT: button 1 or 3 release 2792 * EXT: button 1 or 3 release
2652 */ 2793 */
2653void 2794void
2654rxvt_term::selection_make (Time tm) 2795rxvt_term::selection_make (Time tm)
2655{ 2796{
2656 int i, col, end_col, row, end_row; 2797 int size;
2657 unsigned char *new_selection_text; 2798 wchar_t *new_selection_text;
2658 char *str; 2799 text_t *t;
2659 text_t *t;
2660#ifdef ACS_ASCII
2661 rend_t *re;
2662#endif
2663 2800
2664 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2665 switch (selection.op) { 2801 switch (selection.op)
2802 {
2666 case SELECTION_CONT: 2803 case SELECTION_CONT:
2667 break; 2804 break;
2668 case SELECTION_INIT: 2805 case SELECTION_INIT:
2669 CLEAR_SELECTION(); 2806 CLEAR_SELECTION ();
2670 /* FALLTHROUGH */ 2807 /* FALLTHROUGH */
2671 case SELECTION_BEGIN: 2808 case SELECTION_BEGIN:
2672 selection.op = SELECTION_DONE; 2809 selection.op = SELECTION_DONE;
2673 /* FALLTHROUGH */ 2810 /* FALLTHROUGH */
2674 default: 2811 default:
2675 return; 2812 return;
2676 } 2813 }
2814
2677 selection.op = SELECTION_DONE; 2815 selection.op = SELECTION_DONE;
2678 2816
2679 if (selection.clicks == 4) 2817 if (selection.clicks == 4)
2680 return; /* nothing selected, go away */ 2818 return; /* nothing selected, go away */
2681 2819
2820 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2821 return;
2822
2682 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2823 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2683 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2824 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2684 2825
2685 new_selection_text = (unsigned char *)str; 2826 int ofs = 0;
2827 int extra = 0;
2686 2828
2687 col = selection.beg.col; 2829 int col = selection.beg.col;
2688 MAX_IT(col, 0); 2830 int row = selection.beg.row;
2689 row = selection.beg.row + TermWin.saveLines;
2690 end_row = selection.end.row + TermWin.saveLines;
2691 2831
2832 int end_col;
2833
2692 for (; row <= end_row; row++, col = 0) 2834 for (; row <= selection.end.row; row++, col = 0)
2835 {
2836#if !ENABLE_MINIMAL
2837 if (selection.rect)
2693 { 2838 {
2694 t = &(screen.text[row][col]); 2839 col = selection.beg.col;
2695
2696 end_col = screen.tlen[row];
2697
2698 if (end_col == -1)
2699 end_col = TermWin.ncol; 2840 end_col = selection.end.col;
2841 }
2842 else
2843#endif
2844 end_col = ROW(row).l;
2700 2845
2846 col = max (col, 0);
2847
2701 if (row == end_row) 2848 if (row == selection.end.row)
2702 MIN_IT (end_col, selection.end.col); 2849 min_it (end_col, selection.end.col);
2703 2850
2851 t = ROW(row).t + col;
2852
2704 for (; col < end_col; col++) 2853 for (; col < end_col; col++)
2854 {
2705 if (*t == NOCHAR) 2855 if (*t == NOCHAR)
2706 t++; 2856 t++;
2857#if ENABLE_COMBINING
2858 else if (IS_COMPOSE (*t))
2859 {
2860 int len = rxvt_composite.expand (*t);
2861
2862 extra -= (len - 1);
2863
2864 if (extra < 0)
2865 {
2866 extra += size;
2867 size += size;
2868 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2869 }
2870
2871 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2872 }
2873#endif
2707 else 2874 else
2708 { 2875 new_selection_text[ofs++] = *t++;
2709 int len = wctomb (str, *t++);
2710 if (len > 0)
2711 str += len;
2712 }
2713
2714 if (screen.tlen[row] != -1 && row != end_row)
2715 *str++ = '\n';
2716 }
2717
2718#ifndef NO_OLD_SELECTION
2719 if (selection_style == OLD_SELECT)
2720 if (end_col == TermWin.ncol)
2721 *str++ = '\n';
2722#endif
2723#ifndef NO_NEW_SELECTION
2724 if (selection_style != OLD_SELECT)
2725 if (end_col != selection.end.col)
2726 *str++ = '\n';
2727#endif
2728 *str = '\0';
2729
2730 i = str - (char *)new_selection_text;
2731 if (i == 0)
2732 {
2733 free (new_selection_text);
2734 return;
2735 }
2736
2737 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2738 if (str - (char *)new_selection_text > 1024)
2739 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2740
2741 selection.len = i;
2742
2743 if (selection.text)
2744 free (selection.text);
2745
2746 selection.text = new_selection_text;
2747
2748 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2749 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2750 rxvt_print_error("can't get primary selection");
2751
2752
2753 {
2754 XTextProperty ct;
2755 char *cl = (char *)selection.text;
2756
2757 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2758 { 2876 }
2759 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2877
2760 PropModeReplace, ct.value, ct.nitems); 2878#if !ENABLE_MINIMAL
2761 XFree (ct.value); 2879 if (selection.rect)
2880 {
2881 while (ofs
2882 && new_selection_text[ofs - 1] != C0_LF
2883 && unicode::is_space (new_selection_text[ofs - 1]))
2884 --ofs;
2885
2886 new_selection_text[ofs++] = C0_LF;
2762 } 2887 }
2763 else 2888 else
2764 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2889#endif
2765 PropModeReplace, selection.text, (int)selection.len); 2890 if (!ROW(row).is_longer ()
2891 && (row != selection.end.row || end_col != selection.end.col)
2892 && (row != selection.beg.row || selection.beg.col < ncol))
2893 new_selection_text[ofs++] = C0_LF;
2894 }
2895
2896 new_selection_text[ofs] = 0;
2897
2898 if (ofs == 0)
2766 } 2899 {
2900 free (new_selection_text);
2901 return;
2902 }
2767 2903
2904 free (selection.text);
2905
2906 // we usually allocate much more than necessary, so realloc it smaller again
2907 selection.len = ofs;
2908 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2909
2910 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2911 return;
2912
2913 selection_grab (tm);
2914}
2915
2916bool
2917rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2918{
2919 Atom sel;
2920
2921 if (!clipboard)
2922 {
2768 selection_time = tm; 2923 selection_time = tm;
2769 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2924 sel = XA_PRIMARY;
2925 }
2926 else
2927 {
2928 clipboard_time = tm;
2929 sel = xa[XA_CLIPBOARD];
2930 }
2931
2932 XSetSelectionOwner (dpy, sel, vt, tm);
2933 if (XGetSelectionOwner (dpy, sel) == vt)
2934 {
2935 display->set_selection_owner (this, clipboard);
2936 return true;
2937 }
2938 else
2939 {
2940 selection_clear (clipboard);
2941 return false;
2942 }
2943
2944#if 0
2945 XTextProperty ct;
2946
2947 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2948 {
2949 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2950 XFree (ct.value);
2951 }
2952#endif
2770} 2953}
2771 2954
2772/* ------------------------------------------------------------------------- */ 2955/* ------------------------------------------------------------------------- */
2773/* 2956/*
2774 * Mark or select text based upon number of clicks: 1, 2, or 3 2957 * Mark or select text based upon number of clicks: 1, 2, or 3
2775 * EXT: button 1 press 2958 * EXT: button 1 press
2776 */ 2959 */
2777void 2960void ecb_cold
2778rxvt_term::selection_click (int clicks, int x, int y) 2961rxvt_term::selection_click (int clicks, int x, int y) noexcept
2779{ 2962{
2780 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2781
2782 clicks = ((clicks - 1) % 3) + 1; 2963 clicks = ((clicks - 1) % 3) + 1;
2783 selection.clicks = clicks; /* save clicks so extend will work */ 2964 selection.clicks = clicks; /* save clicks so extend will work */
2784 2965
2966 if (clicks == 2 && !selection.rect
2967 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2968 {
2969 MEvent.clicks = 1; // what a mess
2970 selection.screen = current_screen;
2971 selection.op = SELECTION_CONT;
2972 return;
2973 }
2974
2785 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2975 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2786 2976
2787 if (clicks == 2 || clicks == 3) 2977 if (clicks == 2 || clicks == 3)
2788 selection_extend_colrow (selection.mark.col, 2978 selection_extend_colrow (selection.mark.col,
2789 selection.mark.row + TermWin.view_start, 2979 selection.mark.row - view_start,
2790 0, /* button 3 */ 2980 0, /* button 3 */
2791 1, /* button press */ 2981 1, /* button press */
2792 0); /* click change */ 2982 0); /* click change */
2793} 2983}
2794 2984
2795/* ------------------------------------------------------------------------- */ 2985/* ------------------------------------------------------------------------- */
2796/* 2986/*
2797 * Mark a selection at the specified col/row 2987 * Mark a selection at the specified col/row
2798 */ 2988 */
2799void 2989void ecb_cold
2800rxvt_term::selection_start_colrow (int col, int row) 2990rxvt_term::selection_start_colrow (int col, int row) noexcept
2801{ 2991{
2802 want_refresh = 1; 2992 want_refresh = 1;
2993
2994 selection.mark.row = row + view_start;
2803 selection.mark.col = col; 2995 selection.mark.col = col;
2804 selection.mark.row = row - TermWin.view_start; 2996
2805 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2997 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2806 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2998 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2999
3000 while (selection.mark.col > 0
3001 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2807 MAX_IT(selection.mark.col, 0); 3002 --selection.mark.col;
2808 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2809 3003
2810 if (selection.op) { /* clear the old selection */ 3004 if (selection.op)
3005 {
3006 /* clear the old selection */
2811 selection.beg.row = selection.end.row = selection.mark.row; 3007 selection.beg.row = selection.end.row = selection.mark.row;
2812 selection.beg.col = selection.end.col = selection.mark.col; 3008 selection.beg.col = selection.end.col = selection.mark.col;
2813 } 3009 }
3010
2814 selection.op = SELECTION_INIT; 3011 selection.op = SELECTION_INIT;
2815 selection.screen = current_screen; 3012 selection.screen = current_screen;
2816} 3013}
2817 3014
2818/* ------------------------------------------------------------------------- */ 3015/* ------------------------------------------------------------------------- */
2819/* 3016/*
2820 * Word select: select text for 2 clicks 3017 * Word select: select text for 2 clicks
2821 * We now only find out the boundary in one direction 3018 * We now only find out the boundary in one direction
2822 */ 3019 */
2823 3020
2824/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3021/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2825#define DELIMIT_TEXT(x) \ 3022#define DELIMIT_TEXT(x) \
2826 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3023 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2827#define DELIMIT_REND(x) 1 3024#define DELIMIT_REND(x) 1
2828 3025
2829void 3026void ecb_cold
2830rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3027rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2831{ 3028{
2832 int col, row, dirnadd, tcol, trow, w1, w2; 3029 int col, row, dirnadd, tcol, trow, w1, w2;
2833 row_col_t bound; 3030 row_col_t bound;
2834 text_t *stp; 3031 text_t *stp;
2835 rend_t *srp; 3032 rend_t *srp;
2836 3033
2837 if (dirn == UP) { 3034 if (dirn == UP)
2838 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3035 {
3036 bound.row = top_row - 1;
2839 bound.col = 0; 3037 bound.col = 0;
2840 dirnadd = -1; 3038 dirnadd = -1;
2841 } else { 3039 }
2842 bound.row = TermWin.saveLines + TermWin.nrow; 3040 else
3041 {
3042 bound.row = nrow;
2843 bound.col = TermWin.ncol - 1; 3043 bound.col = ncol - 1;
2844 dirnadd = 1; 3044 dirnadd = 1;
2845 } 3045 }
2846 row = mark->row + TermWin.saveLines; 3046
3047 row = mark->row;
2847 col = mark->col; 3048 col = max (mark->col, 0);
2848 MAX_IT(col, 0); 3049
2849/* find the edge of a word */ 3050 /* find the edge of a word */
2850 stp = &(screen.text[row][col]); 3051 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2851 w1 = DELIMIT_TEXT(*stp); 3052 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2852 3053
2853 if (selection_style != NEW_SELECT) { 3054 for (;;)
2854 if (w1 == 1) { 3055 {
3056 for (; col != bound.col; col += dirnadd)
3057 {
2855 stp += dirnadd; 3058 stp += dirnadd;
2856 if (DELIMIT_TEXT(*stp) == 1)
2857 goto Old_Word_Selection_You_Die;
2858 col += dirnadd;
2859 }
2860 w1 = 0;
2861 }
2862 srp = (&screen.rend[row][col]);
2863 w2 = DELIMIT_REND(*srp);
2864
2865 for (;;) {
2866 for (; col != bound.col; col += dirnadd) {
2867 stp += dirnadd; 3059 srp += dirnadd;
3060
3061 if (*stp == NOCHAR)
3062 continue;
3063
2868 if (DELIMIT_TEXT(*stp) != w1) 3064 if (DELIMIT_TEXT (*stp) != w1)
3065 break;
3066 if (DELIMIT_REND (*srp) != w2)
3067 break;
3068 }
3069
3070 if ((col == bound.col) && (row != bound.row))
3071 {
3072 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3073 {
3074 trow = row + dirnadd;
3075 tcol = dirn == UP ? ncol - 1 : 0;
3076
3077 if (!ROW(trow).t)
2869 break; 3078 break;
2870 srp += dirnadd; 3079
2871 if (DELIMIT_REND(*srp) != w2) 3080 stp = ROW(trow).t + tcol;
3081 srp = ROW(trow).r + tcol;
3082
3083 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2872 break; 3084 break;
2873 } 3085
2874 if ((col == bound.col) && (row != bound.row)) {
2875 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2876 trow = row + dirnadd;
2877 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2878 if (screen.text[trow] == NULL)
2879 break;
2880 stp = &(screen.text[trow][tcol]);
2881 srp = &(screen.rend[trow][tcol]);
2882 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2883 break;
2884 row = trow; 3086 row = trow;
2885 col = tcol; 3087 col = tcol;
2886 continue; 3088 continue;
2887 } 3089 }
2888 } 3090 }
2889 break; 3091 break;
2890 } 3092 }
2891 Old_Word_Selection_You_Die:
2892 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2893 3093
2894 if (dirn == DN) 3094 if (dirn == DN)
2895 col++; /* put us on one past the end */ 3095 col++; /* put us on one past the end */
2896 3096
2897/* Poke the values back in */ 3097 /* Poke the values back in */
2898 ret->row = row - TermWin.saveLines; 3098 ret->row = row;
2899 ret->col = col; 3099 ret->col = col;
2900} 3100}
2901 3101
2902/* ------------------------------------------------------------------------- */ 3102/* ------------------------------------------------------------------------- */
2903/* 3103/*
2904 * Extend the selection to the specified x/y pixel location 3104 * Extend the selection to the specified x/y pixel location
2905 * EXT: button 3 press; button 1 or 3 drag 3105 * EXT: button 3 press; button 1 or 3 drag
2906 * flag == 0 ==> button 1 3106 * flag == 0 ==> button 1
2907 * flag == 1 ==> button 3 press 3107 * flag == 1 ==> button 3 press
2908 * flag == 2 ==> button 3 motion 3108 * flag == 2 ==> button 3 motion
2909 */ 3109 */
2910void 3110void ecb_cold
2911rxvt_term::selection_extend (int x, int y, int flag) 3111rxvt_term::selection_extend (int x, int y, int flag) noexcept
2912{ 3112{
2913 int col, row; 3113 int col = clamp (Pixel2Col (x), 0, ncol);
3114 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2914 3115
2915 col = Pixel2Col(x);
2916 row = Pixel2Row(y);
2917 MAX_IT(row, 0);
2918 MIN_IT(row, (int)TermWin.nrow - 1);
2919 MAX_IT(col, 0);
2920 MIN_IT(col, (int)TermWin.ncol);
2921
2922#ifndef NO_NEW_SELECTION
2923 /* 3116 /*
2924 * If we're selecting characters (single click) then we must check first 3117 * If we're selecting characters (single click) then we must check first
2925 * if we are at the same place as the original mark. If we are then 3118 * if we are at the same place as the original mark. If we are then
2926 * select nothing. Otherwise, if we're to the right of the mark, you have to 3119 * select nothing. Otherwise, if we're to the right of the mark, you have to
2927 * be _past_ a character for it to be selected. 3120 * be _past_ a character for it to be selected.
2928 */ 3121 */
2929 if (selection_style != OLD_SELECT)
2930 {
2931 if (((selection.clicks % 3) == 1) && !flag 3122 if (((selection.clicks % 3) == 1) && !flag
2932 && (col == selection.mark.col 3123 && (col == selection.mark.col
2933 && (row == selection.mark.row + TermWin.view_start))) 3124 && (row == selection.mark.row - view_start)))
2934 { 3125 {
2935 /* select nothing */ 3126 /* select nothing */
2936 selection.beg.row = selection.end.row = 0; 3127 selection.beg.row = selection.end.row = 0;
2937 selection.beg.col = selection.end.col = 0; 3128 selection.beg.col = selection.end.col = 0;
2938 selection.clicks = 4; 3129 selection.clicks = 4;
2939 want_refresh = 1; 3130 want_refresh = 1;
2940 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2941 return; 3131 return;
2942 }
2943 } 3132 }
2944#endif 3133
2945 if (selection.clicks == 4) 3134 if (selection.clicks == 4)
2946 selection.clicks = 1; 3135 selection.clicks = 1;
2947 3136
2948 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3137 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2949 flag == 1 ? 1 : 0, /* ? button press */ 3138 flag == 1 ? 1 : 0, /* ? button press */
2950 0); /* no click change */ 3139 0); /* no click change */
2951} 3140}
2952 3141
2953/* ------------------------------------------------------------------------- */ 3142/* ------------------------------------------------------------------------- */
2954/* 3143/*
2955 * Extend the selection to the specified col/row 3144 * Extend the selection to the specified col/row
2956 */ 3145 */
2957void 3146void ecb_cold
2958rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3147rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2959{ 3148{
2960 int16_t ncol = TermWin.ncol;
2961 int end_col;
2962 row_col_t pos; 3149 row_col_t pos;
2963 enum { 3150 enum {
2964 LEFT, RIGHT 3151 LEFT, RIGHT
2965 } closeto = RIGHT; 3152 } closeto = RIGHT;
2966 3153
2967 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
2968 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2969
2970 want_refresh = 1;
2971 switch (selection.op) { 3154 switch (selection.op)
3155 {
2972 case SELECTION_INIT: 3156 case SELECTION_INIT:
2973 CLEAR_SELECTION(); 3157 CLEAR_SELECTION ();
2974 selection.op = SELECTION_BEGIN; 3158 selection.op = SELECTION_BEGIN;
2975 /* FALLTHROUGH */ 3159 /* FALLTHROUGH */
2976 case SELECTION_BEGIN: 3160 case SELECTION_BEGIN:
2977 if (row != selection.mark.row || col != selection.mark.col 3161 if (row != selection.mark.row || col != selection.mark.col
2978 || (!button3 && buttonpress)) 3162 || (!button3 && buttonpress))
2979 selection.op = SELECTION_CONT; 3163 selection.op = SELECTION_CONT;
2980 break; 3164 break;
2981 case SELECTION_DONE: 3165 case SELECTION_DONE:
2982 selection.op = SELECTION_CONT; 3166 selection.op = SELECTION_CONT;
2983 /* FALLTHROUGH */ 3167 /* FALLTHROUGH */
2984 case SELECTION_CONT: 3168 case SELECTION_CONT:
2985 break; 3169 break;
2986 case SELECTION_CLEAR: 3170 case SELECTION_CLEAR:
2987 selection_start_colrow (col, row); 3171 selection_start_colrow (col, row);
2988 /* FALLTHROUGH */ 3172 /* FALLTHROUGH */
2989 default: 3173 default:
2990 return; 3174 return;
2991 } 3175 }
3176
2992 if (selection.beg.col == selection.end.col 3177 if (selection.beg.col == selection.end.col
2993 && selection.beg.col != selection.mark.col 3178 && selection.beg.col != selection.mark.col
2994 && selection.beg.row == selection.end.row 3179 && selection.beg.row == selection.end.row
2995 && selection.beg.row != selection.mark.row) { 3180 && selection.beg.row != selection.mark.row)
3181 {
2996 selection.beg.col = selection.end.col = selection.mark.col; 3182 selection.beg.col = selection.end.col = selection.mark.col;
2997 selection.beg.row = selection.end.row = selection.mark.row; 3183 selection.beg.row = selection.end.row = selection.mark.row;
2998 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2999 } 3184 }
3000 3185
3001 pos.col = col; 3186 pos.col = col;
3002 pos.row = row; 3187 pos.row = view_start + row;
3003 3188
3004 pos.row -= TermWin.view_start; /* adjust for scroll */ 3189 /*
3005 3190 * This is mainly xterm style selection with a couple of differences, mainly
3006#ifndef NO_OLD_SELECTION 3191 * in the way button3 drag extension works.
3007/* 3192 * We're either doing: button1 drag; button3 press; or button3 drag
3008 * This mimics some of the selection behaviour of version 2.20 and before. 3193 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3009 * There are no ``selection modes'', button3 is always character extension. 3194 * is always at the left/right edge of the selection.
3010 * Note: button3 drag is always available, c.f. v2.20 3195 * b) button3 press: extend/contract character/word/line at whichever edge of
3011 * Selection always terminates (left or right as appropriate) at the mark. 3196 * the selection we are closest to.
3197 * c) button3 drag : extend/contract character/word/line - we select around
3198 * a point/word/line which is either the start or end of the selection
3199 * and it was decided by whichever point/word/line was `fixed' at the
3200 * time of the most recent button3 press
3012 */ 3201 */
3013 if (selection_style == OLD_SELECT) { 3202 if (button3 && buttonpress)
3014 if (selection.clicks == 1 || button3) { 3203 {
3015 if (hate_those_clicks) { 3204 /* button3 press */
3016 hate_those_clicks = 0; 3205 /*
3017 if (selection.clicks == 1) { 3206 * first determine which edge of the selection we are closest to
3018 selection.beg.row = selection.mark.row; 3207 */
3019 selection.beg.col = selection.mark.col; 3208 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3020 } else { 3209 || (!ROWCOL_IS_AFTER (pos, selection.end)
3210 && (((pos.col - selection.beg.col)
3211 + ((pos.row - selection.beg.row) * ncol))
3212 < ((selection.end.col - pos.col)
3213 + ((selection.end.row - pos.row) * ncol)))))
3214 closeto = LEFT;
3215
3216 if (closeto == LEFT)
3217 {
3218 selection.beg.row = pos.row;
3219 selection.beg.col = pos.col;
3220 selection.mark.row = selection.end.row;
3221 selection.mark.col = selection.end.col - (selection.clicks == 2);
3222 }
3223 else
3224 {
3225 selection.end.row = pos.row;
3226 selection.end.col = pos.col;
3021 selection.mark.row = selection.beg.row; 3227 selection.mark.row = selection.beg.row;
3022 selection.mark.col = selection.beg.col; 3228 selection.mark.col = selection.beg.col;
3229 }
3230 }
3231 else
3232 {
3233 /* button1 drag or button3 drag */
3234 if (ROWCOL_IS_AFTER (selection.mark, pos))
3235 {
3236 if (selection.mark.row == selection.end.row
3237 && selection.mark.col == selection.end.col
3238 && clickchange
3239 && selection.clicks == 2)
3240 selection.mark.col--;
3241
3242 selection.beg.row = pos.row;
3243 selection.beg.col = pos.col;
3244 selection.end.row = selection.mark.row;
3245 selection.end.col = selection.mark.col + (selection.clicks == 2);
3246 }
3247 else
3248 {
3249 selection.beg.row = selection.mark.row;
3250 selection.beg.col = selection.mark.col;
3251 selection.end.row = pos.row;
3252 selection.end.col = pos.col;
3253 }
3254 }
3255
3256 if (selection.clicks == 1)
3257 {
3258 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3259 && !ROW(selection.beg.row).is_longer ()
3260#if !ENABLE_MINIMAL
3261 && !selection.rect
3262#endif
3263 )
3264 selection.beg.col = ncol;
3265
3266 if (
3267 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3268 && !ROW(selection.end.row).is_longer ()
3269#if !ENABLE_MINIMAL
3270 && !selection.rect
3271#endif
3272 )
3273 selection.end.col = ncol;
3274 }
3275 else if (selection.clicks == 2)
3276 {
3277 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3278 selection.end.col--;
3279
3280 selection_delimit_word (UP, &selection.beg, &selection.beg);
3281 selection_delimit_word (DN, &selection.end, &selection.end);
3282 }
3283 else if (selection.clicks == 3)
3284 {
3285#if ENABLE_FRILLS
3286 if (option (Opt_tripleclickwords))
3287 {
3288 selection_delimit_word (UP, &selection.beg, &selection.beg);
3289
3290 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3291 {
3292 if (!ROW(end_row).is_longer ())
3293 {
3294 selection.end.row = end_row;
3295 selection.end.col = ROW(end_row).l;
3296# if !ENABLE_MINIMAL
3297 selection_remove_trailing_spaces ();
3298# endif
3299 break;
3023 } 3300 }
3024 } 3301 }
3025 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3026 selection.end.row = selection.mark.row;
3027 selection.end.col = selection.mark.col + 1;
3028 selection.beg.row = pos.row;
3029 selection.beg.col = pos.col;
3030 } else {
3031 selection.beg.row = selection.mark.row;
3032 selection.beg.col = selection.mark.col;
3033 selection.end.row = pos.row;
3034 selection.end.col = pos.col + 1;
3035 } 3302 }
3036 } else if (selection.clicks == 2) { 3303 else
3037 selection_delimit_word (UP, &(selection.mark), 3304#endif
3038 &(selection.beg)); 3305 {
3039 selection_delimit_word (DN, &(selection.mark), 3306 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3040 &(selection.end)); 3307 selection.mark.col++;
3041 hate_those_clicks = 1; 3308
3042 } else if (selection.clicks == 3) {
3043 selection.beg.row = selection.end.row = selection.mark.row;
3044 selection.beg.col = 0; 3309 selection.beg.col = 0;
3045 selection.end.col = ncol; 3310 selection.end.col = ncol;
3046 hate_those_clicks = 1; 3311
3047 } 3312 // select a complete logical line
3048 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); 3313 while (selection.beg.row > -saveLines
3049 return; 3314 && ROW(selection.beg.row - 1).is_longer ())
3050 } 3315 selection.beg.row--;
3051#endif /* ! NO_OLD_SELECTION */ 3316
3052#ifndef NO_NEW_SELECTION 3317 while (selection.end.row < nrow
3053/* selection_style must not be OLD_SELECT to get here */ 3318 && ROW(selection.end.row).is_longer ())
3054/* 3319 selection.end.row++;
3055 * This is mainly xterm style selection with a couple of differences, mainly
3056 * in the way button3 drag extension works.
3057 * We're either doing: button1 drag; button3 press; or button3 drag
3058 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3059 * is always at the left/right edge of the selection.
3060 * b) button3 press: extend/contract character/word/line at whichever edge of
3061 * the selection we are closest to.
3062 * c) button3 drag : extend/contract character/word/line - we select around
3063 * a point/word/line which is either the start or end of the selection
3064 * and it was decided by whichever point/word/line was `fixed' at the
3065 * time of the most recent button3 press
3066 */
3067 if (button3 && buttonpress) { /* button3 press */
3068 /* 3320 }
3069 * first determine which edge of the selection we are closest to 3321 }
3070 */ 3322
3071 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3323 if (button3 && buttonpress)
3072 || (!ROWCOL_IS_AFTER(pos, selection.end) 3324 {
3073 && (((pos.col - selection.beg.col) 3325 /* mark may need to be changed */
3074 + ((pos.row - selection.beg.row) * ncol))
3075 < ((selection.end.col - pos.col)
3076 + ((selection.end.row - pos.row) * ncol)))))
3077 closeto = LEFT;
3078 if (closeto == LEFT) { 3326 if (closeto == LEFT)
3079 selection.beg.row = pos.row; 3327 {
3080 selection.beg.col = pos.col;
3081 selection.mark.row = selection.end.row; 3328 selection.mark.row = selection.end.row;
3082 selection.mark.col = selection.end.col 3329 selection.mark.col = selection.end.col - (selection.clicks == 2);
3083 - (selection.clicks == 2); 3330 }
3084 } else { 3331 else
3085 selection.end.row = pos.row; 3332 {
3086 selection.end.col = pos.col;
3087 selection.mark.row = selection.beg.row; 3333 selection.mark.row = selection.beg.row;
3088 selection.mark.col = selection.beg.col; 3334 selection.mark.col = selection.beg.col;
3089 }
3090 } else { /* button1 drag or button3 drag */
3091 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3092 if ((selection.mark.row == selection.end.row)
3093 && (selection.mark.col == selection.end.col)
3094 && clickchange && selection.clicks == 2)
3095 selection.mark.col--;
3096 selection.beg.row = pos.row;
3097 selection.beg.col = pos.col;
3098 selection.end.row = selection.mark.row;
3099 selection.end.col = selection.mark.col
3100 + (selection.clicks == 2);
3101 } else {
3102 selection.beg.row = selection.mark.row;
3103 selection.beg.col = selection.mark.col;
3104 selection.end.row = pos.row;
3105 selection.end.col = pos.col;
3106 }
3107 }
3108
3109 if (selection.clicks == 1) {
3110 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3111 if (end_col != -1 && selection.beg.col > end_col) {
3112#if 1
3113 selection.beg.col = ncol;
3114#else
3115 if (selection.beg.row != selection.end.row)
3116 selection.beg.col = ncol;
3117 else
3118 selection.beg.col = selection.mark.col;
3119#endif
3120 }
3121 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3122 if (end_col != -1 && selection.end.col > end_col)
3123 selection.end.col = ncol;
3124
3125 } else if (selection.clicks == 2) {
3126 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3127 selection.end.col--;
3128 selection_delimit_word (UP, &(selection.beg),
3129 &(selection.beg));
3130 selection_delimit_word (DN, &(selection.end),
3131 &(selection.end));
3132 } else if (selection.clicks == 3) {
3133#ifndef NO_FRILLS
3134 if ((Options & Opt_tripleclickwords)) {
3135 int end_row;
3136
3137 selection_delimit_word (UP, &(selection.beg),
3138 &(selection.beg));
3139 end_row = screen.tlen[selection.mark.row
3140 + TermWin.saveLines];
3141 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3142 end_row++) {
3143 end_col = screen.tlen[end_row + TermWin.saveLines];
3144 if (end_col != -1) {
3145 selection.end.row = end_row;
3146 selection.end.col = end_col;
3147 selection_remove_trailing_spaces ();
3148 break;
3149 }
3150 }
3151 } else
3152#endif
3153 { 3335 }
3154 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3155 selection.mark.col++;
3156 selection.beg.col = 0;
3157 selection.end.col = ncol;
3158 }
3159 } 3336 }
3160 if (button3 && buttonpress) { /* mark may need to be changed */
3161 if (closeto == LEFT) {
3162 selection.mark.row = selection.end.row;
3163 selection.mark.col = selection.end.col
3164 - (selection.clicks == 2);
3165 } else {
3166 selection.mark.row = selection.beg.row;
3167 selection.mark.col = selection.beg.col;
3168 }
3169 }
3170 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3171#endif /* ! NO_NEW_SELECTION */
3172}
3173 3337
3174#ifndef NO_FRILLS 3338#if !ENABLE_MINIMAL
3175void 3339 if (selection.rect && selection.beg.col > selection.end.col)
3340 ::swap (selection.beg.col, selection.end.col);
3341#endif
3342
3343 selection_changed ();
3344}
3345
3346#if !ENABLE_MINIMAL
3347void ecb_cold
3176rxvt_term::selection_remove_trailing_spaces () 3348rxvt_term::selection_remove_trailing_spaces () noexcept
3177{ 3349{
3178 int32_t end_col, end_row; 3350 int32_t end_col, end_row;
3179 text_t *stp; 3351 text_t *stp;
3180 3352
3181 end_col = selection.end.col; 3353 end_col = selection.end.col;
3182 end_row = selection.end.row; 3354 end_row = selection.end.row;
3355
3183 for ( ; end_row >= selection.beg.row; ) { 3356 for (; end_row >= selection.beg.row; )
3184 stp = screen.text[end_row + TermWin.saveLines]; 3357 {
3358 stp = ROW(end_row).t;
3359
3185 while (--end_col >= 0) { 3360 while (--end_col >= 0)
3186 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3187 break;
3188 } 3361 {
3189 if (end_col >= 0 3362 if (stp[end_col] != NOCHAR
3190 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3363 && !unicode::is_space (stp[end_col]))
3191 selection.end.col = end_col + 1;
3192 selection.end.row = end_row;
3193 break; 3364 break;
3194 } 3365 }
3366
3367 if (end_col >= 0
3368 || !ROW(end_row - 1).is_longer ())
3369 {
3370 selection.end.col = end_col + 1;
3371 selection.end.row = end_row;
3372 break;
3373 }
3374
3195 end_row--; 3375 end_row--;
3196 end_col = TermWin.ncol; 3376 end_col = ncol;
3197 } 3377 }
3378
3198 if (selection.mark.row > selection.end.row) { 3379 if (selection.mark.row > selection.end.row)
3380 {
3199 selection.mark.row = selection.end.row; 3381 selection.mark.row = selection.end.row;
3200 selection.mark.col = selection.end.col; 3382 selection.mark.col = selection.end.col;
3383 }
3201 } else if (selection.mark.row == selection.end.row 3384 else if (selection.mark.row == selection.end.row
3202 && selection.mark.col > selection.end.col) 3385 && selection.mark.col > selection.end.col)
3203 selection.mark.col = selection.end.col; 3386 selection.mark.col = selection.end.col;
3204} 3387}
3205#endif 3388#endif
3206 3389
3207/* ------------------------------------------------------------------------- */ 3390/* ------------------------------------------------------------------------- */
3208/* 3391/*
3209 * Double click on button 3 when already selected 3392 * Double click on button 3 when already selected
3210 * EXT: button 3 double click 3393 * EXT: button 3 double click
3211 */ 3394 */
3212void 3395void ecb_cold
3213rxvt_term::selection_rotate (int x, int y) 3396rxvt_term::selection_rotate (int x, int y) noexcept
3214{ 3397{
3215 selection.clicks = selection.clicks % 3 + 1; 3398 selection.clicks = selection.clicks % 3 + 1;
3216 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3399 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3217} 3400}
3218
3219/* ------------------------------------------------------------------------- */
3220/*
3221 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3222 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3223 * the X11 protocol.
3224 */
3225typedef CARD32 Atom32;
3226 3401
3227/* ------------------------------------------------------------------------- */ 3402/* ------------------------------------------------------------------------- */
3228/* 3403/*
3229 * Respond to a request for our current selection 3404 * Respond to a request for our current selection
3230 * EXT: SelectionRequest 3405 * EXT: SelectionRequest
3231 */ 3406 */
3232void 3407void ecb_cold
3233rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3408rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3234{ 3409{
3410 Atom property = rq.property == None ? rq.target : rq.property;
3235 XSelectionEvent ev; 3411 XSelectionEvent ev;
3236 XTextProperty ct;
3237 XICCEncodingStyle style;
3238 Atom target;
3239 3412
3240 ev.type = SelectionNotify; 3413 ev.type = SelectionNotify;
3241 ev.property = None; 3414 ev.property = None;
3242 ev.display = rq->display; 3415 ev.display = rq.display;
3243 ev.requestor = rq->requestor; 3416 ev.requestor = rq.requestor;
3244 ev.selection = rq->selection; 3417 ev.selection = rq.selection;
3245 ev.target = rq->target; 3418 ev.target = rq.target;
3246 ev.time = rq->time; 3419 ev.time = rq.time;
3247 3420
3248 if (rq->target == xa[XA_TARGETS]) { 3421 if (rq.target == xa[XA_TARGETS])
3422 {
3249 Atom32 target_list[5]; 3423 Atom target_list[6];
3250 Atom32 *target = target_list; 3424 Atom *target = target_list;
3251 3425
3252 *target++ = (Atom32) xa[XA_TARGETS]; 3426 *target++ = xa[XA_TARGETS];
3427 *target++ = xa[XA_TIMESTAMP];
3253 *target++ = (Atom32) XA_STRING; 3428 *target++ = XA_STRING;
3254 *target++ = (Atom32) xa[XA_TEXT]; 3429 *target++ = xa[XA_TEXT];
3255 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3430 *target++ = xa[XA_COMPOUND_TEXT];
3256#if X_HAVE_UTF8_STRING 3431#if X_HAVE_UTF8_STRING
3257 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3432 *target++ = xa[XA_UTF8_STRING];
3258#endif 3433#endif
3434
3259 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3435 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3260 (8 * sizeof(target_list[0])), PropModeReplace, 3436 32, PropModeReplace,
3261 (unsigned char *)target_list, 3437 (unsigned char *)target_list, target - target_list);
3262 target - target_list);
3263 ev.property = rq->property; 3438 ev.property = property;
3439 }
3440#if TODO // TODO
3264 } else if (rq->target == xa[XA_MULTIPLE]) { 3441 else if (rq.target == xa[XA_MULTIPLE])
3442 {
3265 /* TODO: Handle MULTIPLE */ 3443 /* TODO: Handle MULTIPLE */
3266 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3444 }
3445#endif
3446 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3447 {
3267 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3448 XChangeProperty (dpy, rq.requestor, property, rq.target,
3268 (8 * sizeof(Time)), PropModeReplace,
3269 (unsigned char *)&selection_time, 1); 3449 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3270 ev.property = rq->property; 3450 ev.property = property;
3451 }
3452 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3453 {
3454 XChangeProperty (dpy, rq.requestor, property, rq.target,
3455 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3456 ev.property = property;
3457 }
3271 } else if (rq->target == XA_STRING 3458 else if (rq.target == XA_STRING
3272 || rq->target == xa[XA_TEXT] 3459 || rq.target == xa[XA_TEXT]
3273 || rq->target == xa[XA_COMPOUND_TEXT] 3460 || rq.target == xa[XA_COMPOUND_TEXT]
3274 || rq->target == xa[XA_UTF8_STRING] 3461 || rq.target == xa[XA_UTF8_STRING]
3275 ) { 3462 )
3463 {
3464 XTextProperty ct;
3465 Atom target = rq.target;
3276 short freect = 0; 3466 short freect = 0;
3277 int selectlen; 3467 int selectlen;
3278 char *cl; 3468 wchar_t *cl;
3469 enum {
3470 enc_string = XStringStyle,
3471 enc_text = XStdICCTextStyle,
3472 enc_compound_text = XCompoundTextStyle,
3473#ifdef X_HAVE_UTF8_STRING
3474 enc_utf8 = XUTF8StringStyle,
3475#else
3476 enc_utf8 = -1,
3477#endif
3478 } style;
3279 3479
3280 target = rq->target;
3281
3282 if (target == XA_STRING) 3480 if (target == XA_STRING)
3283 // we actually don't do XA_STRING, but who cares, as i18n clients 3481 // we actually don't do XA_STRING, but who cares, as i18n clients
3284 // will ask for another format anyways. 3482 // will ask for another format anyways.
3285 style = XStringStyle; 3483 style = enc_string;
3286 else if (target == xa[XA_TEXT]) 3484 else if (target == xa[XA_TEXT])
3287 style = XTextStyle; 3485 style = enc_text;
3288 else if (target == xa[XA_COMPOUND_TEXT]) 3486 else if (target == xa[XA_COMPOUND_TEXT])
3289 style = XCompoundTextStyle; 3487 style = enc_compound_text;
3290#if X_HAVE_UTF8_STRING 3488#if !ENABLE_MINIMAL
3291 else if (target == xa[XA_UTF8_STRING]) 3489 else if (target == xa[XA_UTF8_STRING])
3292 style = XUTF8StringStyle; 3490 style = enc_utf8;
3293#endif 3491#endif
3294 else 3492 else
3295 { 3493 {
3296 target = xa[XA_COMPOUND_TEXT]; 3494 target = xa[XA_COMPOUND_TEXT];
3297 style = XCompoundTextStyle; 3495 style = enc_compound_text;
3298 } 3496 }
3299 3497
3300 if (selection.text) { 3498 if (rq.selection == XA_PRIMARY && selection.text)
3499 {
3301 cl = (char *)selection.text; 3500 cl = selection.text;
3302 selectlen = selection.len; 3501 selectlen = selection.len;
3502 }
3503 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3504 {
3505 cl = selection.clip_text;
3506 selectlen = selection.clip_len;
3507 }
3303 } else { 3508 else
3304 cl = ""; 3509 {
3510 cl = (wchar_t *)L"";
3305 selectlen = 0; 3511 selectlen = 0;
3512 }
3513
3514#if !ENABLE_MINIMAL
3515 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3516 // so recode it manually
3517 if (style == enc_utf8)
3306 } 3518 {
3307
3308 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3309 freect = 1; 3519 freect = 1;
3520 ct.encoding = target;
3521 ct.format = 8;
3522 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3523 ct.nitems = strlen ((char *)ct.value);
3524 }
3310 else 3525 else
3526#endif
3527 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3528 freect = 1;
3529 else
3311 { 3530 {
3312 /* if we failed to convert then send it raw */ 3531 /* if we failed to convert then send it raw */
3313 ct.value = (unsigned char *)cl; 3532 ct.value = (unsigned char *)cl;
3314 ct.nitems = selectlen; 3533 ct.nitems = selectlen;
3534 ct.encoding = target;
3315 } 3535 }
3316 3536
3317 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3537 XChangeProperty (dpy, rq.requestor, property,
3318 target, 8, PropModeReplace, 3538 ct.encoding, 8, PropModeReplace,
3319 ct.value, (int)ct.nitems); 3539 ct.value, (int)ct.nitems);
3320 ev.property = rq->property; 3540 ev.property = property;
3321 3541
3322 if (freect) 3542 if (freect)
3323 XFree (ct.value); 3543 XFree (ct.value);
3324 } 3544 }
3545
3325 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3546 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3326} 3547}
3327 3548
3328/* ------------------------------------------------------------------------- * 3549/* ------------------------------------------------------------------------- */
3329 * MOUSE ROUTINES *
3330 * ------------------------------------------------------------------------- */
3331
3332/*
3333 * return col/row values corresponding to x/y pixel values
3334 */
3335void
3336rxvt_term::pixel_position (int *x, int *y)
3337{
3338 *x = Pixel2Col(*x);
3339 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3340 *y = Pixel2Row(*y);
3341 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3342}
3343
3344/* ------------------------------------------------------------------------- */
3345#ifdef USE_XIM 3550#if USE_XIM
3346void 3551void ecb_cold
3347rxvt_term::set_position (XPoint *pos) 3552rxvt_term::im_set_position (XPoint &pos) noexcept
3348{ 3553{
3349 XWindowAttributes xwa; 3554 XWindowAttributes xwa;
3350 3555
3351 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3556 XGetWindowAttributes (dpy, vt, &xwa);
3557
3352 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3558 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3353 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3559 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3354} 3560}
3355
3356#endif 3561#endif
3357/* ------------------------------------------------------------------------- */ 3562
3358 3563#if ENABLE_OVERLAY
3564void
3565rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3566{
3567 if (nrow < 1 || ncol < 1)
3568 return;
3569
3570 want_refresh = 1;
3571
3572 scr_overlay_off ();
3573
3574 if (x < 0) x = ncol - w;
3575 if (y < 0) y = nrow - h;
3576
3577 // make space for border
3578 w += 2; min_it (w, ncol);
3579 h += 2; min_it (h, nrow);
3580
3581 x -= 1; clamp_it (x, 0, ncol - w);
3582 y -= 1; clamp_it (y, 0, nrow - h);
3583
3584 ov.x = x; ov.y = y;
3585 ov.w = w; ov.h = h;
3586
3587 ov.text = new text_t *[h];
3588 ov.rend = new rend_t *[h];
3589
3590 for (y = 0; y < h; y++)
3591 {
3592 text_t *tp = ov.text[y] = new text_t[w];
3593 rend_t *rp = ov.rend[y] = new rend_t[w];
3594
3595 text_t t0, t1, t2;
3596 rend_t r = OVERLAY_RSTYLE;
3597
3598 if (y == 0)
3599 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3600 else if (y < h - 1)
3601 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3602 else
3603 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3604
3605 *tp++ = t0;
3606 *rp++ = r;
3607
3608 for (x = w - 2; x > 0; --x)
3609 {
3610 *tp++ = t1;
3611 *rp++ = r;
3612 }
3613
3614 *tp = t2;
3615 *rp = r;
3616 }
3617}
3618
3619void
3620rxvt_term::scr_overlay_off () noexcept
3621{
3622 if (!ov.text)
3623 return;
3624
3625 want_refresh = 1;
3626
3627 for (int y = 0; y < ov.h; y++)
3628 {
3629 delete [] ov.text[y];
3630 delete [] ov.rend[y];
3631 }
3632
3633 delete [] ov.text; ov.text = 0;
3634 delete [] ov.rend; ov.rend = 0;
3635}
3636
3637void
3638rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3639{
3640 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3641 return;
3642
3643 x++, y++;
3644
3645 ov.text[y][x] = text;
3646 ov.rend[y][x] = rend;
3647}
3648
3649void
3650rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3651{
3652 while (*s)
3653 scr_overlay_set (x++, y, *s++);
3654}
3655
3656void
3657rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3658{
3659 while (*s)
3660 {
3661 text_t t = *s++;
3662 int width = WCWIDTH (t);
3663
3664 while (width--)
3665 {
3666 scr_overlay_set (x++, y, t);
3667 t = NOCHAR;
3668 }
3669 }
3670}
3671
3672void
3673rxvt_term::scr_swap_overlay () noexcept
3674{
3675 if (!ov.text)
3676 return;
3677
3678 // hide cursor if it is within the overlay area
3679 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3680 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3681 screen.flags &= ~Screen_VisibleCursor;
3682
3683 // swap screen mem with overlay
3684 for (int y = ov.h; y--; )
3685 {
3686 text_t *t1 = ov.text[y];
3687 rend_t *r1 = ov.rend[y];
3688
3689 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3690 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3691
3692 for (int x = ov.w; x--; )
3693 {
3694 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3695 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3696 }
3697 }
3698}
3699
3700#endif
3359/* ------------------------------------------------------------------------- * 3701/* ------------------------------------------------------------------------- */
3360 * DEBUG ROUTINES *
3361 * ------------------------------------------------------------------------- */
3362#if 0
3363void
3364rxvt_debug_colors(void)
3365{
3366 int color;
3367 const char *name[] = {
3368 "fg", "bg",
3369 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3370 };
3371 3702
3372 fprintf(stderr, "Color ( ");
3373 if (rstyle & RS_RVid)
3374 fprintf(stderr, "rvid ");
3375 if (rstyle & RS_Bold)
3376 fprintf(stderr, "bold ");
3377 if (rstyle & RS_Blink)
3378 fprintf(stderr, "blink ");
3379 if (rstyle & RS_Uline)
3380 fprintf(stderr, "uline ");
3381 fprintf(stderr, "): ");
3382
3383 color = GET_FGCOLOR(rstyle);
3384#ifndef NO_BRIGHTCOLOR
3385 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3386 color -= (minBrightCOLOR - minCOLOR);
3387 fprintf(stderr, "bright ");
3388 }
3389#endif
3390 fprintf(stderr, "%s on ", name[color]);
3391
3392 color = GET_BGCOLOR(rstyle);
3393#ifndef NO_BRIGHTCOLOR
3394 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3395 color -= (minBrightCOLOR - minCOLOR);
3396 fprintf(stderr, "bright ");
3397 }
3398#endif
3399 fprintf(stderr, "%s\n", name[color]);
3400}
3401#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines