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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.22 by pcg, Sat Jan 31 02:14:58 2004 UTC vs.
Revision 1.461 by root, Thu Jun 17 00:49:20 2021 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 ())
103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_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_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 for (int row = min (nrow, prev_nrow); row--; )
297 {
298 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
299 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
300 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
301
302 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 303 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 304
256 for (p = nrow; p < prev_nrow; p++) 305 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
306 int pend = MOD (term_start + top_row , prev_total_rows);
307 int q = total_rows; // rewrapped row
308
309 if (top_row)
310 {
311 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
312 // to come up with a lean and mean algorithm.
313 // TODO: maybe optimise when width didn't change
314
315 row_col_t ocur = screen.cur;
316 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
317
318 do
257 { 319 {
258 q = p + TermWin.saveLines; 320 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 321 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
322 int plines = 1;
323 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
324
325 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 326 {
261#ifdef DEBUG_STRICT 327 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 328
263#endif 329 plines++;
264 talloc->free (screen.text[q]); 330 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 331 }
267 if (swap.text[p]) 332
333 int qlines = max (0, (llen - 1) / ncol) + 1;
334
335 // drop partial lines completely
336 if (q < qlines)
337 break;
338
339 q -= qlines;
340
341 int lofs = 0;
342 line_t *qline;
343
344 // re-assemble the full line by destination lines
345 for (int qrow = q; qlines--; qrow++)
268 { 346 {
269#ifdef DEBUG_STRICT 347 qline = row_buf + qrow;
270 assert (swap.rend[p]); 348 qline->alloc (); // redundant with next line
271#endif 349 qline->l = ncol;
272 talloc->free (swap.text[p]); 350 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 351
352 int qcol = 0;
353
354 // see below for cursor adjustment rationale
355 if (p == ocur.row)
356 screen.cur.row = q - (total_rows - nrow);
357
358 // fill a single destination line
359 while (lofs < llen && qcol < ncol)
360 {
361 int prow = lofs / prev_ncol;
362 int pcol = lofs % prev_ncol;
363
364 prow = MOD (p + prow, prev_total_rows);
365
366 // we only adjust the cursor _row_ and put it into
367 // the topmost line of "long line" it was in, as
368 // this seems to upset applications/shells/readline
369 // least.
370 if (prow == ocur.row)
371 screen.cur.row = q - (total_rows - nrow);
372
373 line_t &pline = prev_row_buf [prow];
374
375 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
376
377 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
378 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
379
380 lofs += len;
381 qcol += len;
382 }
274 } 383 }
275#ifdef DEBUG_STRICT 384
276 assert (drawn_text[p] && drawn_rend[p]); 385 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 386 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 387 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 388 }
389 while (p != pend && q > 0);
281 390
282 /* we have fewer rows so fix up cursor position */ 391 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 392 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 393
286 scr_reset_realloc (); /* realloc _last_ */ 394 // make sure all terminal lines exist
287 } 395 while (top_row > 0)
288 else if (nrow > prev_nrow) 396 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 397 }
290 /* add rows */ 398 else
291 scr_reset_realloc (); /* realloc _first_ */ 399 {
400 // if no scrollback exists (yet), wing, instead of wrap
292 401
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 402 for (int row = min (nrow, prev_nrow); row--; )
294
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 403 {
299 screen.tlen[p] = 0; 404 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
300 screen.text[p] = NULL; 405 line_t &dst = row_buf [row];
301 screen.rend[p] = NULL; 406
407 copy_line (dst, src);
302 } 408 }
303 409
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++) 410 for (int row = prev_nrow; row < nrow; row++)
308 { 411 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
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 }
317 412
318 if (k > 0) 413 term_start = 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 { 414 }
339 int common = min (prev_ncol, ncol); 415
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 416 clamp_it (screen.cur.row, 0, nrow - 1);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 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 for (int row = nrow; row--; )
351
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 } 421 {
422 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
423 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
424 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
425 }
426
427 chunk_free (prev_chunk, prev_chunk_size);
428
429 free (tabs);
430 tabs = (char *)rxvt_malloc (ncol);
431
432 for (int col = ncol; col--; )
433 tabs [col] = col % TABSIZE == 0;
434
435 CLEAR_ALL_SELECTION ();
395 436
396 prev_nrow = nrow; 437 prev_nrow = nrow;
397 prev_ncol = ncol; 438 prev_ncol = ncol;
398 439
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 (); 440 tt_winch ();
405}
406 441
407void 442 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} 443}
429 444
430/* ------------------------------------------------------------------------- */ 445void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 446rxvt_term::scr_release () noexcept
436{ 447{
437 uint16_t total_rows; 448 chunk_free (chunk, chunk_size);
438 int i; 449 chunk = 0;
450 row_buf = 0;
439 451
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); 452 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; 453 tabs = 0;
473} 454}
474 455
475/* ------------------------------------------------------------------------- */ 456/* ------------------------------------------------------------------------- */
476/* 457/*
477 * Hard reset 458 * Hard/Soft reset
478 */ 459 */
479void 460void ecb_cold
480rxvt_term::scr_poweron () 461rxvt_term::scr_poweron ()
481{ 462{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 463 scr_release ();
464
485 prev_nrow = prev_ncol = 0; 465 prev_nrow = prev_ncol = 0;
466 rvideo_mode = false;
467 scr_soft_reset ();
486 scr_reset (); 468 scr_reset ();
487 469
488 scr_clear (); 470 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 471 scr_refresh ();
490#ifdef RXVT_GRAPHICS 472}
491 Gr_reset (); 473
474void ecb_cold
475rxvt_term::scr_soft_reset () noexcept
476{
477 /* only affects modes, nothing drastic such as clearing the screen */
478#if ENABLE_OVERLAY
479 scr_overlay_off ();
492#endif 480#endif
481
482 if (current_screen != PRIMARY)
483 scr_swap_screen ();
484
485 scr_scroll_region (0, MAX_ROWS - 1);
486 scr_rendition (0, ~RS_None);
487 scr_insert_mode (0);
493} 488}
494 489
495/* ------------------------------------------------------------------------- * 490/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 491 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 492 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 494 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 495 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 496 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 497 */
503void 498void
504rxvt_term::scr_cursor (int mode) 499rxvt_term::scr_cursor (cursor_mode mode) noexcept
505{ 500{
506 screen_t *s; 501 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 502
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 503#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 504 if (current_screen == SECONDARY)
512 s = &(swap); 505 s = &swap;
513 else 506 else
514#endif 507#endif
515 s = &(screen); 508 s = &screen;
509
516 switch (mode) { 510 switch (mode)
511 {
517 case SAVE: 512 case SAVE:
518 s->s_cur.row = s->cur.row; 513 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 514 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 515 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 516 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 517 s->s_charset_char = charsets[screen.charset];
523 break; 518 break;
519
524 case RESTORE: 520 case RESTORE:
525 want_refresh = 1; 521 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 522 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 523 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 524 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 525 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 526 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 527 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 528 set_font_style ();
533 break; 529 break;
534 } 530 }
531
535/* boundary check in case screen size changed between SAVE and RESTORE */ 532 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 533 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 534 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 535 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 536 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 537}
542 MAX_IT(s->cur.row, 0); 538
543 MAX_IT(s->cur.col, 0); 539void
544#endif 540rxvt_term::scr_swap_screen () noexcept
541{
542 if (!option (Opt_secondaryScreen))
543 return;
544
545 for (int i = prev_nrow; i--; )
546 ::swap (ROW(i), swap_buf [i]);
547
548 ::swap (screen.cur, swap.cur);
549
550 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
551 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 552}
546 553
547/* ------------------------------------------------------------------------- */ 554/* ------------------------------------------------------------------------- */
548/* 555/*
549 * Swap between primary and secondary screens 556 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 557 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 558 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 559 */
553int 560void
554rxvt_term::scr_change_screen (int scrn) 561rxvt_term::scr_change_screen (int scrn)
555{ 562{
556 int i; 563 if (scrn == current_screen)
564 return;
565
566 want_refresh = 1;
567 view_start = 0;
568
569 /* check for boundary cross */
570 row_col_t pos;
571 pos.row = pos.col = 0;
572 if (ROWCOL_IS_BEFORE (selection.beg, pos)
573 && ROWCOL_IS_AFTER (selection.end, pos))
574 CLEAR_SELECTION ();
575
576 current_screen = scrn;
577
557#if NSCREENS 578#if NSCREENS
558 int offset; 579 if (option (Opt_secondaryScreen))
559#endif 580 {
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; 581 num_scr = 0;
575 offset = TermWin.saveLines; 582
576 for (i = prev_nrow; i--;) { 583 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 584
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 585 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 586 ::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; 587 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 588 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 589 }
590 else
603# endif 591#endif
604#else 592 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); 593 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 594}
617#endif 595
596// clear WrapNext indicator, solidifying position on next line
597void
598rxvt_term::scr_do_wrap () noexcept
599{
600 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 601 return;
602
603 screen.flags &= ~Screen_WrapNext;
604
605 screen.cur.col = 0;
606
607 if (screen.cur.row == screen.bscroll)
608 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
609 else if (screen.cur.row < nrow - 1)
610 screen.cur.row++;
619} 611}
620 612
621/* ------------------------------------------------------------------------- */ 613/* ------------------------------------------------------------------------- */
622/* 614/*
623 * Change the colour for following text 615 * Change the colour for following text
624 */ 616 */
625void 617void
626rxvt_term::scr_color (unsigned int color, int fgbg) 618rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
627{ 619{
620 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
628 color &= RS_fgMask; 621 color = fgbg;
622
629 if (fgbg == Color_fg) 623 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 624 rstyle = SET_FGCOLOR (rstyle, color);
631 else 625 else
632 rstyle = SET_BGCOLOR(rstyle, color); 626 rstyle = SET_BGCOLOR (rstyle, color);
633} 627}
634 628
635/* ------------------------------------------------------------------------- */ 629/* ------------------------------------------------------------------------- */
636/* 630/*
637 * Change the rendition style for following text 631 * Change the rendition style for following text
638 */ 632 */
639void 633void
640rxvt_term::scr_rendition (int set, int style) 634rxvt_term::scr_rendition (int set, int style) noexcept
641{ 635{
642 if (set) 636 if (set)
643 rstyle |= style; 637 rstyle |= style;
644 else if (style == ~RS_None) 638 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 639 rstyle = DEFAULT_RSTYLE;
646 else 640 else
647 rstyle &= ~style; 641 rstyle &= ~style;
648} 642}
649 643
650/* ------------------------------------------------------------------------- */ 644/* ------------------------------------------------------------------------- */
651/* 645/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 646 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 647 * count positive ==> scroll up
654 * count negative ==> scroll down 648 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 649 */
657int 650int ecb_hot
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 651rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
659{ 652{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 653 if (count == 0 || (row1 > row2))
664 return 0; 654 return 0;
665 655
666 want_refresh = 1; 656 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 657 num_scr += count;
668 658
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 659 if (count > 0
660 && row1 == 0
661 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
662 {
663 min_it (count, total_rows - (nrow - (row2 + 1)));
664
665 top_row = max (top_row - count, -saveLines);
666
667 // sever bottommost line
670 { 668 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 669 line_t &l = ROW(row2);
672 670 l.is_longer (0);
673 if (nscrolled > (long)TermWin.saveLines) 671 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 } 672 }
683 else if (!spec)
684 row1 += TermWin.saveLines;
685 673
686 row2 += TermWin.saveLines; 674 // scroll everything up 'count' lines
675 term_start = (term_start + count) % total_rows;
687 676
677 // now copy lines below the scroll region bottom to the
678 // bottom of the screen again, so they look as if they
679 // hadn't moved.
680 for (int i = nrow; --i > row2; )
681 {
682 line_t &l1 = ROW(i - count);
683 line_t &l2 = ROW(i);
684
685 ::swap (l1, l2);
686 l2.touch ();
687 }
688
689 // erase newly scrolled-in lines
690 for (int i = count; i--; )
691 {
692 line_t &l = ROW(row2 - i);
693
694 // optimise if already cleared, can be significant on slow machines
695 // could be rolled into scr_blank_screen_mem
696 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
697 {
698 scr_blank_line (l, 0, l.l, rstyle);
699 l.l = 0;
700 l.f = 0;
701 }
702 else
703 scr_blank_screen_mem (l, rstyle);
704 }
705
706 // move and/or clear selection, if any
688 if (selection.op && current_screen == selection.screen) 707 if (selection.op && current_screen == selection.screen
689 { 708 && 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 } 709 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 710 selection.beg.row -= count;
706 selection.end.row -= count; 711 selection.end.row -= count;
707 selection.mark.row -= count; 712 selection.mark.row -= count;
708 }
709 }
710 713
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 714 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 { 715 }
729 buf_text[i] = screen.text[j]; 716
730 buf_rend[i] = screen.rend[j]; 717 // finally move the view window, if desired
718 if (option (Opt_scrollWithBuffer)
719 && view_start != 0
720 && view_start != -saveLines)
721 scr_page (count);
722
723 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
724 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
725 }
726 else
727 {
728 if (selection.op && current_screen == selection.screen)
731 } 729 {
732 /* A2: Rotate lines */ 730 if ((selection.beg.row < row1 && selection.end.row > row1)
733 for (j = row1, i = j + count; i <= row2; i++, j++) 731 || (selection.beg.row < row2 && selection.end.row > row2)
732 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
733 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
734 || (selection.end.row - count < row1 && selection.end.row >= row1)
735 || (selection.end.row - count > row2 && selection.end.row <= row2))
736 {
737 CLEAR_ALL_SELECTION ();
738 selection.op = SELECTION_CLEAR;
739 }
740 else if (selection.end.row >= row1 && selection.end.row <= row2)
741 {
742 /* move selected region too */
743 selection.beg.row -= count;
744 selection.end.row -= count;
745 selection.mark.row -= count;
746
747 selection_check (0);
748 }
734 { 749 }
735 screen.tlen[j] = screen.tlen[i]; 750
736 screen.text[j] = screen.text[i]; 751 // use a simple and robust scrolling algorithm, this
737 screen.rend[j] = screen.rend[i]; 752 // part of scr_scroll_text is not time-critical.
753
754 // sever line above scroll region
755 if (row1)
738 } 756 {
739 j = row2 - count + 1, i = count; 757 line_t &l = ROW(row1 - 1);
740 } 758 l.is_longer (0);
741 else /* if (j < 0) */ 759 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 { 760 }
748 buf_text[i] = screen.text[j]; 761
749 buf_rend[i] = screen.rend[j]; 762 int rows = row2 - row1 + 1;
763
764 min_it (count, rows);
765
766 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
767
768 for (int row = 0; row < rows; row++)
750 } 769 {
751 /* B2: Rotate lines */ 770 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
752 for (j = row2, i = j - count; i >= row1; i--, j--) 771
772 if (!IN_RANGE_EXC (row + count, 0, rows))
773 scr_blank_screen_mem (temp_buf [row], rstyle);
753 { 774 }
754 screen.tlen[j] = screen.tlen[i]; 775
755 screen.text[j] = screen.text[i]; 776 for (int row = 0; row < rows; row++)
756 screen.rend[j] = screen.rend[i]; 777 ROW(row1 + row) = temp_buf [row];
778
779 // sever bottommost line
780 {
781 line_t &l = ROW(row2);
782 l.is_longer (0);
783 l.touch ();
757 } 784 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 785 }
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
778 786
779 return count; 787 return count;
780} 788}
781 789
782/* ------------------------------------------------------------------------- */ 790/* ------------------------------------------------------------------------- */
783/* 791/*
784 * Add text given in <str> of length <len> to screen struct 792 * Add text given in <str> of length <len> to screen struct
785 */ 793 */
786void 794void ecb_hot
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 795rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
788{ 796{
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 */ 797 if (len <= 0) /* sanity */
796 return; 798 return;
797 799
800 bool checksel;
801 unicode_t c;
802 int ncol = this->ncol;
803 const wchar_t *strend = str + len;
804
798 want_refresh = 1; 805 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 806 ZERO_SCROLLBACK ();
807
803 if (nlines > 0) { 808 if (minlines > 0)
809 {
804 nlines += (screen.cur.row - screen.bscroll); 810 minlines += screen.cur.row - screen.bscroll;
811 min_it (minlines, screen.cur.row - top_row);
812
805 if ((nlines > 0) 813 if (minlines > 0
806 && (screen.tscroll == 0) 814 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 815 && screen.bscroll == nrow - 1)
816 {
808 /* _at least_ this many lines need to be scrolled */ 817 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 818 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 819 screen.cur.row -= minlines;
811 } 820 }
812 } 821 }
813#ifdef DEBUG_STRICT 822
814 assert(screen.cur.col < last_col); 823 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 824 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 825 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 826 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;
823 827
824 checksel = (selection.op 828 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 829
828 stp = screen.text[row]; 830 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 831
831 for (i = 0; i < len;) { 832 while (str < strend)
832 c = str[i++]; 833 {
833 switch (c) { 834 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 835
835 scr_tab (1); 836 if (ecb_unlikely (c < 0x20))
837 if (c == C0_LF)
838 {
839 max_it (line->l, screen.cur.col);
840
841 screen.flags &= ~Screen_WrapNext;
842
843 if (screen.cur.row == screen.bscroll)
844 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
845 else if (screen.cur.row < (nrow - 1))
846 row = ++screen.cur.row;
847
848 line = &ROW(row); /* _must_ refresh */
836 continue; 849 continue;
837 case '\n': 850 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 851 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 852 {
840 screen.flags &= ~Screen_WrapNext; 853 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 854
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; 855 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 856 screen.cur.col = 0;
853 continue; 857 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 858 }
859 else if (c == C0_HT)
860 {
861 scr_tab (1, true);
862 continue;
863 }
859 864
865 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 866 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 867 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 868 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
869 ))
870 {
863 checksel = 0; 871 checksel = 0;
864 clearsel = 1; 872 /*
873 * If we wrote anywhere in the selected area, kill the selection
874 * XXX: should we kill the mark too? Possibly, but maybe that
875 * should be a similar check.
876 */
877 CLEAR_SELECTION ();
878 }
879
880 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 881 {
866 if (screen.flags & Screen_WrapNext) { 882 scr_do_wrap ();
867 screen.tlen[row] = -1; 883
868 if (screen.cur.row == screen.bscroll) 884 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 885 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 886
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; 887 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 888 line = &ROW(row); /* _must_ refresh */
889 }
890
891 // some utf-8 decoders "decode" surrogate characters: let's fix this.
892 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
893 c = 0xfffd;
894
895 // rely on wcwidth to tell us the character width, do wcwidth before
896 // further replacements, as wcwidth might return -1 for the line
897 // drawing characters below as they might be invalid in the current
898 // locale.
899 int width = WCWIDTH (c);
900
901 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 902 {
877 if (screen.flags & Screen_Insert) 903 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 904 // 5f-7e standard vt100
905 // 40-5e rxvt extension for extra curses acs chars
906 static uint16_t vt100_0[62] = { // 41 .. 7e
907 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
908 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
909 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
910 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
911 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
912 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
913 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
914 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
915 };
879 916
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 917 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 918 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 919 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 920 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 } 921 }
922 }
895 923
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 924 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 925 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 926
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 927 if (width != 0)
928 {
929#if !UNICODE_3
930 // trim characters we can't store directly :(
931 if (c >= 0x10000)
932# if ENABLE_COMBINING
933 c = rxvt_composite.compose (c); // map to lower 16 bits
934# else
935 c = 0xfffd;
936# endif
937#endif
938
939 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
940
941 // if the character doesn't fit into the remaining columns...
942 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
943 {
944 if (screen.flags & Screen_Autowrap)
945 {
946 // ... artificially enlargen the previous one
947 c = NOCHAR;
948 // and try the same character next loop iteration
949 --str;
950 }
951 else
952 screen.cur.col = ncol - width;
953 }
954
955 // nuke the character at this position, if required
956 // due to wonderful coincidences everywhere else in this loop
957 // we never have to check for overwriting a wide char itself,
958 // only its tail.
959 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
960 scr_kill_char (*line, screen.cur.col);
961
962 line->touch ();
963
902 do 964 do
903 { 965 {
904 stp[screen.cur.col] = c; 966 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 967 line->r[screen.cur.col] = rend;
906 968
907 if (screen.cur.col < last_col - 1) 969 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 970 screen.cur.col++;
909 else 971 else
910 { 972 {
911 screen.tlen[row] = last_col; 973 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 974 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 975 screen.flags |= Screen_WrapNext;
914 break; 976
977 goto end_of_line;
915 } 978 }
916 979
917 c = NOCHAR; 980 c = NOCHAR;
918 } 981 }
919 while (--width > 0); 982 while (ecb_unlikely (--width > 0));
983
984 // pad with spaces when overwriting wide character with smaller one
985 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
986 {
987 line->t[c] = ' ';
988 line->r[c] = rend;
989 }
990
991end_of_line:
992 ;
993 }
994#if ENABLE_COMBINING
995 else // width == 0
996 {
997 if (c != 0xfeff) // ignore BOM
998 {
999 // handle combining characters
1000 // we just tag the accent on the previous on-screen character.
1001 // this is arguably not correct, but also arguably not wrong.
1002 // we don't handle double-width characters nicely yet.
1003 line_t *linep;
1004 text_t *tp;
1005 rend_t *rp;
1006
1007 if (screen.cur.col > 0)
1008 {
1009 linep = line;
1010 tp = line->t + screen.cur.col - 1;
1011 rp = line->r + screen.cur.col - 1;
1012 }
1013 else if (screen.cur.row > 0
1014 && ROW(screen.cur.row - 1).is_longer ())
1015 {
1016 linep = &ROW(screen.cur.row - 1);
1017 tp = linep->t + ncol - 1;
1018 rp = linep->r + ncol - 1;
1019 }
920 else 1020 else
921 (void)0; /* handle combining character etc. here. */ 1021 continue;
922 }
923 1022
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1023 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1024
927/* 1025 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1026 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 1027
935#ifdef DEBUG_STRICT 1028 // first try to find a precomposed character
1029 unicode_t n = rxvt_compose (*tp, c);
1030 if (n == NOCHAR)
1031 n = rxvt_composite.compose (*tp, c);
1032
1033 *tp = n;
1034 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1035 }
1036 }
1037#endif
1038 }
1039
1040 max_it (line->l, screen.cur.col);
1041
936 assert(screen.cur.row >= 0); 1042 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1043}
941 1044
942/* ------------------------------------------------------------------------- */ 1045/* ------------------------------------------------------------------------- */
943/* 1046/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1047 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1048 * XTERM_SEQ: CTRL-H
946 */ 1049 */
947void 1050void
948rxvt_term::scr_backspace () 1051rxvt_term::scr_backspace () noexcept
949{ 1052{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1053 if (screen.cur.col == 0)
1054 {
952 if (screen.cur.row > 0) { 1055 if (screen.cur.row > 0)
1056 {
953#ifdef TERMCAP_HAS_BW 1057#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1058 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1059 --screen.cur.row;
956 return; 1060
1061 want_refresh = 1;
957#endif 1062#endif
958 } 1063 }
1064 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1065 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1066 screen.flags &= ~Screen_WrapNext;
1067 else
1068 scr_gotorc (0, -1, RELATIVE);
962} 1069}
963 1070
964/* ------------------------------------------------------------------------- */ 1071/* ------------------------------------------------------------------------- */
965/* 1072/*
966 * Process Horizontal Tab 1073 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1074 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1075 * XTERM_SEQ: CTRL-I
969 */ 1076 */
970void 1077void
971rxvt_term::scr_tab (int count) 1078rxvt_term::scr_tab (int count, bool ht) noexcept
972{ 1079{
973 int i, x; 1080 int i, x;
974 1081
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1082 want_refresh = 1;
977 i = x = screen.cur.col; 1083 i = x = screen.cur.col;
1084
978 if (count == 0) 1085 if (count == 0)
979 return; 1086 return;
980 else if (count > 0) { 1087 else if (count > 0)
1088 {
1089 line_t &l = ROW(screen.cur.row);
1090 rend_t base_rend = l.r[i];
1091 ht &= l.t[i] == ' ';
1092
981 for (; ++i < TermWin.ncol; ) 1093 for (; ++i < ncol; )
982 if (tabs[i]) { 1094 if (tabs[i])
1095 {
983 x = i; 1096 x = i;
1097
984 if (!--count) 1098 if (!--count)
985 break; 1099 break;
1100 }
1101 else
1102 ht &= l.t[i] == ' '
1103 && RS_SAME (l.r[i], base_rend);
1104
1105 if (count)
1106 x = ncol - 1;
1107
1108 // store horizontal tab commands as characters inside the text
1109 // buffer so they can be selected and pasted.
1110 if (ht && option (Opt_pastableTabs))
1111 {
1112 base_rend = SET_FONT (base_rend, 0);
1113
1114 l.touch (x);
1115
1116 i = screen.cur.col;
1117
1118 l.t[i] = '\t';
1119 l.r[i] = base_rend;
1120
1121 while (++i < x)
1122 {
1123 l.t[i] = NOCHAR;
1124 l.r[i] = base_rend;
986 } 1125 }
987 if (count) 1126 }
988 x = TermWin.ncol - 1; 1127 }
989 } else /* if (count < 0) */ { 1128 else /* if (count < 0) */
1129 {
990 for (; --i >= 0; ) 1130 for (; --i >= 0; )
991 if (tabs[i]) { 1131 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1132 {
996 if (count)
997 x = 0; 1133 x = i;
1134 if (!++count)
1135 break;
1136 }
1137
1138 if (count)
1139 x = 0;
998 } 1140 }
1141
999 if (x != screen.cur.col) 1142 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1143 scr_gotorc (0, x, R_RELATIVE);
1001} 1144}
1002 1145
1003/* ------------------------------------------------------------------------- */ 1146/* ------------------------------------------------------------------------- */
1004/* 1147/*
1005 * Process DEC Back Index 1148 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1149 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1150 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1151 * in that row right. Clear left column.
1009 */ 1152 */
1010#ifndef NO_FRILLS 1153#if !ENABLE_MINIMAL
1011void 1154void ecb_cold
1012rxvt_term::scr_backindex () 1155rxvt_term::scr_backindex () noexcept
1013{ 1156{
1014 if (screen.cur.col > 0) 1157 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1158 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1159 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1160 scr_insdel_chars (1, INSERT);
1020 }
1021} 1161}
1022#endif 1162#endif
1023/* ------------------------------------------------------------------------- */ 1163/* ------------------------------------------------------------------------- */
1024/* 1164/*
1025 * Process DEC Forward Index 1165 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1166 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1167 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1168 * in that row left. Clear right column.
1029 */ 1169 */
1030#ifndef NO_FRILLS 1170#if !ENABLE_MINIMAL
1031void 1171void ecb_cold
1032rxvt_term::scr_forwardindex () 1172rxvt_term::scr_forwardindex () noexcept
1033{ 1173{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1174 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1175 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1176 else
1039 row = screen.cur.row + TermWin.saveLines; 1177 {
1040 if (screen.tlen[row] == 0) 1178 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1179
1042 else if (screen.tlen[row] == -1) 1180 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1181 l.is_longer (0);
1182
1044 scr_gotorc (0, 0, R_RELATIVE); 1183 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1184 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1185 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1186 }
1048} 1187}
1049#endif 1188#endif
1050 1189
1051/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1052/* 1191/*
1053 * Goto Row/Column 1192 * Goto Row/Column
1054 */ 1193 */
1055void 1194void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1195rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1057{ 1196{
1058 want_refresh = 1; 1197 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1198 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1199
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) 1200 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1201 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 1202
1072 screen.flags &= ~Screen_WrapNext; 1203 screen.flags &= ~Screen_WrapNext;
1204
1073 if (relative & R_RELATIVE) { 1205 if (relative & R_RELATIVE)
1206 {
1074 if (row > 0) { 1207 if (row > 0)
1208 {
1075 if (screen.cur.row <= screen.bscroll 1209 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1210 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1211 screen.cur.row = screen.bscroll;
1078 else 1212 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; 1213 screen.cur.row += row;
1214 }
1215 else if (row < 0)
1216 {
1217 if (screen.cur.row >= screen.tscroll
1218 && (screen.cur.row + row) < screen.tscroll)
1219 screen.cur.row = screen.tscroll;
1220 else
1221 screen.cur.row += row;
1222 }
1223 }
1224 else
1093 } 1225 {
1094 MAX_IT(screen.cur.row, 0); 1226 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1227 {
1096} 1228 /* relative origin mode */
1229 screen.cur.row = row + screen.tscroll;
1230 min_it (screen.cur.row, screen.bscroll);
1231 }
1232 else
1233 screen.cur.row = row;
1234 }
1097 1235
1236 clamp_it (screen.cur.row, 0, nrow - 1);
1237}
1238
1098/* ------------------------------------------------------------------------- */ 1239/* ------------------------------------------------------------------------- */
1099/* 1240/*
1100 * direction should be UP or DN 1241 * direction should be UP or DN
1101 */ 1242 */
1102void 1243void
1103rxvt_term::scr_index (enum page_dirn direction) 1244rxvt_term::scr_index (enum page_dirn direction) noexcept
1104{ 1245{
1105 int dirn;
1106
1107 want_refresh = 1; 1246 want_refresh = 1;
1108 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110
1111 ZERO_SCROLLBACK(); 1247 ZERO_SCROLLBACK ();
1112 1248
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1249 screen.flags &= ~Screen_WrapNext;
1250
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1251 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1252 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1253 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1122 else 1254 else
1123 screen.cur.row += dirn; 1255 screen.cur.row += direction;
1124 MAX_IT(screen.cur.row, 0); 1256
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1257 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1258 selection_check (0);
1127} 1259}
1128 1260
1129/* ------------------------------------------------------------------------- */ 1261/* ------------------------------------------------------------------------- */
1130/* 1262/*
1131 * Erase part or whole of a line 1263 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1264 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1265 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1266 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1267 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1268 */
1136void 1269void
1137rxvt_term::scr_erase_line (int mode) 1270rxvt_term::scr_erase_line (int mode) noexcept
1138{ 1271{
1139 unsigned int row, col, num; 1272 unsigned int col, num;
1140 1273
1141 want_refresh = 1; 1274 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1275 ZERO_SCROLLBACK ();
1144 1276
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1277 selection_check (1);
1151 1278
1152 screen.flags &= ~Screen_WrapNext; 1279 line_t &line = ROW(screen.cur.row);
1153 1280
1154 row = TermWin.saveLines + screen.cur.row; 1281 line.touch ();
1282 line.is_longer (0);
1283
1155 switch (mode) 1284 switch (mode)
1156 { 1285 {
1286 case 3:
1287 if (screen.flags & Screen_WrapNext)
1288 return;
1289
1290 /* fall through */
1291
1157 case 0: /* erase to end of line */ 1292 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1293 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1294 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1295 min_it (line.l, col);
1296
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1297 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1298 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1299 CLEAR_SELECTION ();
1164 break; 1300 break;
1301
1165 case 1: /* erase to beginning of line */ 1302 case 1: /* erase to beginning of line */
1166 col = 0; 1303 col = 0;
1167 num = screen.cur.col + 1; 1304 num = screen.cur.col + 1;
1305
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1306 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1307 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1308 CLEAR_SELECTION ();
1171 break; 1309 break;
1310
1172 case 2: /* erase whole line */ 1311 case 2: /* erase whole line */
1173 col = 0; 1312 col = 0;
1174 num = TermWin.ncol; 1313 num = ncol;
1175 screen.tlen[row] = 0; 1314 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1315 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1316 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1317 CLEAR_SELECTION ();
1179 break; 1318 break;
1180 default: 1319 default:
1181 return; 1320 return;
1182 } 1321 }
1183 1322
1184 if (screen.text[row]) 1323 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} 1324}
1190 1325
1191/* ------------------------------------------------------------------------- */ 1326/* ------------------------------------------------------------------------- */
1192/* 1327/*
1193 * Erase part of whole of the screen 1328 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1329 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1330 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1331 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1332 */
1198void 1333void
1199rxvt_term::scr_erase_screen (int mode) 1334rxvt_term::scr_erase_screen (int mode) noexcept
1200{ 1335{
1201 int num; 1336 int num;
1202 int32_t row, row_offset; 1337 int32_t row;
1203 rend_t ren; 1338 rend_t ren;
1204 XGCValues gcvalue; 1339 XGCValues gcvalue;
1205 1340
1206 want_refresh = 1; 1341 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1342 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1343
1211 switch (mode) { 1344 switch (mode)
1345 {
1212 case 0: /* erase to end of screen */ 1346 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1347 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1348 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1349 num = nrow - row;
1217 break; 1350 break;
1218 case 1: /* erase to beginning of screen */ 1351 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1352 scr_erase_line (1);
1221 row = 0; 1353 row = 0;
1222 num = screen.cur.row; 1354 num = screen.cur.row;
1223 break; 1355 break;
1224 case 2: /* erase whole screen */ 1356 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1357 row = 0;
1230 num = TermWin.nrow; 1358 num = nrow;
1231 break; 1359 break;
1232 default: 1360 default:
1233 return; 1361 return;
1234 } 1362 }
1235 refresh_type |= REFRESH_BOUNDS; 1363
1236 if (selection.op && current_screen == selection.screen 1364 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1365 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1366 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1367 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1368 CLEAR_SELECTION ();
1369
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1370 if (row >= nrow) /* Out Of Bounds */
1242 return; 1371 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1372
1373 min_it (num, nrow - row);
1374
1244 if (rstyle & (RS_RVid | RS_Uline)) 1375 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1376 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1377 else if (GET_BASEBG (rstyle) == Color_bg)
1378 {
1247 ren = DEFAULT_RSTYLE; 1379 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1380
1249 } else { 1381 if (mapped)
1382 XClearArea (dpy, vt, 0,
1383 Row2Pixel (row - view_start), (unsigned int)vt_width,
1384 (unsigned int)Height2Pixel (num), False);
1385 }
1386 else
1387 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1388 ren = rstyle & (RS_fgMask | RS_bgMask);
1389
1390 if (mapped)
1391 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1392 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1394 XFillRectangle (dpy, vt, gc,
1395 0, Row2Pixel (row - view_start),
1396 (unsigned int)vt_width,
1397 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1398 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1399 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1400 }
1256 } 1401 }
1402
1257 for (; num--; row++) { 1403 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 } 1404 {
1405 scr_blank_screen_mem (ROW(row), rstyle);
1406
1407 if (row - view_start < nrow)
1408 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1409 }
1264} 1410}
1411
1412#if !ENABLE_MINIMAL
1413void
1414rxvt_term::scr_erase_savelines () noexcept
1415{
1416 want_refresh = 1;
1417 ZERO_SCROLLBACK ();
1418
1419 top_row = 0;
1420}
1421#endif
1265 1422
1266/* ------------------------------------------------------------------------- */ 1423/* ------------------------------------------------------------------------- */
1267/* 1424/*
1268 * Fill the screen with `E's 1425 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1426 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1427 */
1271void 1428void ecb_cold
1272rxvt_term::scr_E () 1429rxvt_term::scr_E () noexcept
1273{ 1430{
1274 int i, j, k; 1431 rend_t fs;
1275 rend_t *r1, fs;
1276 1432
1277 want_refresh = 1; 1433 want_refresh = 1;
1434 ZERO_SCROLLBACK ();
1435
1278 num_scr_allow = 0; 1436 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1437
1438 row_col_t pos;
1439 pos.row = pos.col = 0;
1440 if (ROWCOL_IS_AFTER (selection.end, pos))
1441 CLEAR_SELECTION ();
1442
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1443 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1444 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1445 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1446 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1447
1448 fill_text (line.t, 'E', ncol);
1449 rend_t *r1 = line.r;
1450
1451 for (int j = ncol; j--; )
1287 *r1++ = fs; 1452 *r1++ = fs;
1453
1454 line.is_longer (0);
1455 line.touch (ncol);
1288 } 1456 }
1289} 1457}
1290 1458
1291/* ------------------------------------------------------------------------- */ 1459/* ------------------------------------------------------------------------- */
1292/* 1460/*
1293 * Insert/Delete <count> lines 1461 * Insert/Delete <count> lines
1294 */ 1462 */
1295void 1463void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1464rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1297{ 1465{
1298 int end; 1466 int end;
1299 1467
1300 ZERO_SCROLLBACK(); 1468 ZERO_SCROLLBACK ();
1301 1469
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1470 selection_check (1);
1308 1471
1309 if (screen.cur.row > screen.bscroll) 1472 if (screen.cur.row > screen.bscroll)
1473 return;
1474
1475 end = screen.bscroll - screen.cur.row + 1;
1476 if (count > end)
1477 {
1478 if (insdel == DELETE)
1310 return; 1479 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) 1480 else if (insdel == INSERT)
1317 count = end; 1481 count = end;
1318 } 1482 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1483
1484 scr_do_wrap ();
1485
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1486 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1487}
1323 1488
1324/* ------------------------------------------------------------------------- */ 1489/* ------------------------------------------------------------------------- */
1325/* 1490/*
1326 * Insert/Delete <count> characters from the current position 1491 * Insert/Delete <count> characters from the current position
1327 */ 1492 */
1328void 1493void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1494rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1330{ 1495{
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; 1496 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1497 ZERO_SCROLLBACK ();
1339 1498
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1499 if (count <= 0)
1346 return; 1500 return;
1347 1501
1502 scr_do_wrap ();
1503
1348 selection_check (1); 1504 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1505 min_it (count, ncol - screen.cur.col);
1350 1506
1351 row = screen.cur.row + TermWin.saveLines; 1507 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1508
1354 stp = screen.text[row]; 1509 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1510
1356 slp = &(screen.tlen[row]); 1511 line->touch ();
1512 line->is_longer (0);
1513
1514 // nuke wide spanning the start
1515 if (line->t[screen.cur.col] == NOCHAR)
1516 scr_kill_char (*line, screen.cur.col);
1517
1357 switch (insdel) { 1518 switch (insdel)
1519 {
1358 case INSERT: 1520 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1521 line->l = min (line->l + count, ncol);
1360 col--) { 1522
1523 if (line->t[screen.cur.col] == NOCHAR)
1524 scr_kill_char (*line, screen.cur.col);
1525
1526 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1527 {
1361 stp[col] = stp[col - count]; 1528 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1529 line->r[col] = line->r[col - count];
1363 } 1530 }
1364 if (*slp != -1) { 1531
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1532 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1533 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1534 {
1370 if (selection.end.row != screen.cur.row 1535 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1536 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1537 CLEAR_SELECTION ();
1538 else
1539 {
1373 else { /* shift selection */ 1540 /* shift selection */
1374 selection.beg.col += count; 1541 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1542 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1543 selection.end.col += count;
1377 } 1544 }
1378 } 1545 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1546
1380 (unsigned int)count, rstyle); 1547 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1548 break;
1549
1382 case ERASE: 1550 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1551 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1552 selection_check (1);
1385 screen.cur.col -= count; 1553 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1554
1387 (unsigned int)count, rstyle); 1555 // nuke wide char after the end
1556 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1557 scr_kill_char (*line, screen.cur.col + count);
1558
1559 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1560 break;
1561
1389 case DELETE: 1562 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1563 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1564
1565 // nuke wide char spanning the end
1566 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1567 scr_kill_char (*line, screen.cur.col + count);
1568
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1569 for (int col = screen.cur.col; (col + count) < ncol; col++)
1570 {
1393 stp[col] = stp[col + count]; 1571 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1572 line->r[col] = line->r[col + count];
1395 } 1573 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1574
1397 &(srp[TermWin.ncol - count]), 1575 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1576
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 1577 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1578 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1579 {
1405 if (selection.end.row != screen.cur.row 1580 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1581 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1582 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1583 CLEAR_SELECTION ();
1409 else { 1584 else
1585 {
1410 /* shift selection */ 1586 /* shift selection */
1411 selection.beg.col -= count; 1587 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1588 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1589 selection.end.col -= count;
1414 } 1590 }
1415 } 1591 }
1592
1416 break; 1593 break;
1417 } 1594 }
1418} 1595}
1419 1596
1420/* ------------------------------------------------------------------------- */ 1597/* ------------------------------------------------------------------------- */
1421/* 1598/*
1422 * Set the scrolling region 1599 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1600 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1601 */
1425void 1602void ecb_cold
1426rxvt_term::scr_scroll_region (int top, int bot) 1603rxvt_term::scr_scroll_region (int top, int bot) noexcept
1427{ 1604{
1428 MAX_IT(top, 0); 1605 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1606 min_it (bot, nrow - 1);
1607
1430 if (top > bot) 1608 if (top > bot)
1431 return; 1609 return;
1610
1432 screen.tscroll = top; 1611 screen.tscroll = top;
1433 screen.bscroll = bot; 1612 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1613 scr_gotorc (0, 0, 0);
1435} 1614}
1436 1615
1437/* ------------------------------------------------------------------------- */ 1616/* ------------------------------------------------------------------------- */
1438/* 1617/*
1439 * Make the cursor visible/invisible 1618 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1619 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1620 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1621 */
1443void 1622void ecb_cold
1444rxvt_term::scr_cursor_visible (int mode) 1623rxvt_term::scr_cursor_visible (int mode) noexcept
1445{ 1624{
1446 want_refresh = 1; 1625 want_refresh = 1;
1626
1447 if (mode) 1627 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1628 screen.flags |= Screen_VisibleCursor;
1449 else 1629 else
1450 screen.flags &= ~Screen_VisibleCursor; 1630 screen.flags &= ~Screen_VisibleCursor;
1451} 1631}
1452 1632
1453/* ------------------------------------------------------------------------- */ 1633/* ------------------------------------------------------------------------- */
1454/* 1634/*
1455 * Set/unset automatic wrapping 1635 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1636 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1637 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1638 */
1459void 1639void ecb_cold
1460rxvt_term::scr_autowrap (int mode) 1640rxvt_term::scr_autowrap (int mode) noexcept
1461{ 1641{
1462 if (mode) 1642 if (mode)
1463 screen.flags |= Screen_Autowrap; 1643 screen.flags |= Screen_Autowrap;
1464 else 1644 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1645 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1646}
1467 1647
1468/* ------------------------------------------------------------------------- */ 1648/* ------------------------------------------------------------------------- */
1469/* 1649/*
1470 * Set/unset margin origin mode 1650 * Set/unset margin origin mode
… …
1473 * Relative mode: line numbers are relative to top margin of scrolling region 1653 * Relative mode: line numbers are relative to top margin of scrolling region
1474 * and the cursor cannot be moved outside. 1654 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1655 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1656 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1657 */
1478void 1658void ecb_cold
1479rxvt_term::scr_relative_origin (int mode) 1659rxvt_term::scr_relative_origin (int mode) noexcept
1480{ 1660{
1481 if (mode) 1661 if (mode)
1482 screen.flags |= Screen_Relative; 1662 screen.flags |= Screen_Relative;
1483 else 1663 else
1484 screen.flags &= ~Screen_Relative; 1664 screen.flags &= ~Screen_Relative;
1665
1485 scr_gotorc (0, 0, 0); 1666 scr_gotorc (0, 0, 0);
1486} 1667}
1487 1668
1488/* ------------------------------------------------------------------------- */ 1669/* ------------------------------------------------------------------------- */
1489/* 1670/*
1490 * Set insert/replace mode 1671 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1672 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1673 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1674 */
1494void 1675void ecb_cold
1495rxvt_term::scr_insert_mode (int mode) 1676rxvt_term::scr_insert_mode (int mode) noexcept
1496{ 1677{
1497 if (mode) 1678 if (mode)
1498 screen.flags |= Screen_Insert; 1679 screen.flags |= Screen_Insert;
1499 else 1680 else
1500 screen.flags &= ~Screen_Insert; 1681 screen.flags &= ~Screen_Insert;
1501} 1682}
1502 1683
1503/* ------------------------------------------------------------------------- */ 1684/* ------------------------------------------------------------------------- */
1504/* 1685/*
1505 * Set/Unset tabs 1686 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1687 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1688 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1689 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1690 */
1510void 1691void ecb_cold
1511rxvt_term::scr_set_tab (int mode) 1692rxvt_term::scr_set_tab (int mode) noexcept
1512{ 1693{
1513 if (mode < 0) 1694 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1695 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1696 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1697 tabs [screen.cur.col] = !!mode;
1517} 1698}
1518 1699
1519/* ------------------------------------------------------------------------- */ 1700/* ------------------------------------------------------------------------- */
1520/* 1701/*
1521 * Set reverse/normal video 1702 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1703 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1704 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1705 */
1525void 1706void
1526rxvt_term::scr_rvideo_mode (int mode) 1707rxvt_term::scr_rvideo_mode (bool on) noexcept
1527{ 1708{
1709 rvideo_mode = on;
1710
1711#ifndef NO_BELL
1712 on ^= rvideo_bell;
1713#endif
1714
1715 if (rvideo_state != on)
1716 {
1717 rvideo_state = on;
1718
1719#if OFF_FOCUS_FADING
1720 if (rs[Rs_fade])
1721 {
1722 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1723 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1724 }
1725 else
1726#endif
1727 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1728#ifdef HAVE_IMG
1729 if (bg_img == 0)
1730#endif
1731 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1732
1528 XGCValues gcvalue; 1733 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]; 1734 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1735 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1736 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1737
1546 scr_clear (); 1738 scr_clear ();
1547 scr_touch (true); 1739 scr_touch (true);
1548 } 1740 }
1549} 1741}
1550 1742
1551/* ------------------------------------------------------------------------- */ 1743/* ------------------------------------------------------------------------- */
1552/* 1744/*
1553 * Report current cursor position 1745 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1746 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1747 */
1556void 1748void ecb_cold
1557rxvt_term::scr_report_position () 1749rxvt_term::scr_report_position () noexcept
1558{ 1750{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1751 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1752}
1561 1753
1562/* ------------------------------------------------------------------------- * 1754/* ------------------------------------------------------------------------- *
1563 * FONTS * 1755 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1756 * ------------------------------------------------------------------------- */
1565 1757
1566/* 1758/*
1567 * Set font style 1759 * Set font style
1568 */ 1760 */
1569void 1761void ecb_cold
1570rxvt_term::set_font_style () 1762rxvt_term::set_font_style () noexcept
1571{ 1763{
1764#if 0
1572 switch (charsets[screen.charset]) { 1765 switch (charsets [screen.charset])
1766 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1767 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1768 break;
1575 case 'A': /* United Kingdom (UK) */ 1769 case 'A': /* United Kingdom (UK) */
1576 break; 1770 break;
1577 case 'B': /* United States (USASCII) */ 1771 case 'B': /* United States (USASCII) */
1578 break; 1772 break;
1579 case '<': /* Multinational character set */ 1773 case '<': /* Multinational character set */
1580 break; 1774 break;
1581 case '5': /* Finnish character set */ 1775 case '5': /* Finnish character set */
1582 break; 1776 break;
1583 case 'C': /* Finnish character set */ 1777 case 'C': /* Finnish character set */
1584 break; 1778 break;
1585 case 'K': /* German character set */ 1779 case 'K': /* German character set */
1586 break; 1780 break;
1587 } 1781 }
1782#endif
1588} 1783}
1589 1784
1590/* ------------------------------------------------------------------------- */ 1785/* ------------------------------------------------------------------------- */
1591/* 1786/*
1592 * Choose a font 1787 * Choose a font
1593 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1788 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1789 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1790 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1791 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1792 */
1598void 1793void ecb_cold
1599rxvt_term::scr_charset_choose (int set) 1794rxvt_term::scr_charset_choose (int set) noexcept
1600{ 1795{
1601 screen.charset = set; 1796 screen.charset = set;
1602 set_font_style (); 1797 set_font_style ();
1603} 1798}
1604 1799
1605/* ------------------------------------------------------------------------- */ 1800/* ------------------------------------------------------------------------- */
1606/* 1801/*
1607 * Set a font 1802 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1805 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1806 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1807 * See set_font_style for possible values for <C>
1613 */ 1808 */
1614void 1809void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1810rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1616{ 1811{
1617 charsets[set] = (unsigned char)ch; 1812 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1813 set_font_style ();
1619} 1814}
1620 1815
1621 1816
1622/* ------------------------------------------------------------------------- * 1817/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1818 * MAJOR SCREEN MANIPULATION *
1624 * ------------------------------------------------------------------------- */ 1819 * ------------------------------------------------------------------------- */
1625 1820
1626/* 1821/*
1627 * refresh matching text. 1822 * refresh matching text.
1628 */ 1823 */
1629bool 1824bool ecb_cold
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1825rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1631{ 1826{
1632 bool found = false; 1827 bool found = false;
1633 1828
1634 for (int i = 0; i < TermWin.nrow; i++) 1829 for (int i = 0; i < nrow; i++)
1635 { 1830 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1831 rend_t *drp = drawn_buf[i].r;
1638 1832
1639 for (; col < TermWin.ncol; col++, drp++) 1833 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1834 if ((*drp & mask) == value)
1641 { 1835 {
1642 found = true; 1836 found = true;
1643 *drp = ~value; 1837 *drp = ~value;
1644 } 1838 }
… …
1649 1843
1650/* 1844/*
1651 * Refresh an area 1845 * Refresh an area
1652 */ 1846 */
1653enum { 1847enum {
1654 PART_BEG = 0, 1848 PART_BEG = 0,
1655 PART_END, 1849 PART_END,
1656 RC_COUNT 1850 RC_COUNT
1657}; 1851};
1658 1852
1659void 1853void ecb_hot
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1854rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1661{ 1855{
1662 int i; 1856 int i;
1663 row_col_t rc[RC_COUNT]; 1857 row_col_t rc[RC_COUNT];
1664 1858
1665 if (drawn_text == NULL) /* sanity check */ 1859 if (!drawn_buf) /* sanity check */
1666 return; 1860 return;
1667 1861
1668#ifdef DEBUG_STRICT 1862#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1863 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1864 {
1671 y = max(y, (int)TermWin.int_bwidth); 1865 y = 0;
1672 y = min(y, (int)TermWin.height); 1866 eheight = height;
1867 }
1673#endif 1868#endif
1674 1869
1675/* round down */ 1870 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1871 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1872 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1873 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1874 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1875 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1876
1682/* sanity checks */ 1877 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1878 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1879 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1880 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1881 min_it (rc[i].row, nrow - 1);
1687 } 1882 }
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 1883
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1884 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1885 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)); 1886
1887 num_scr_allow = 0;
1694 1888
1695 if (refresh) 1889 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1890 scr_refresh ();
1697} 1891}
1698 1892
1699/* ------------------------------------------------------------------------- */ 1893/* ------------------------------------------------------------------------- */
1700/* 1894/*
1701 * Refresh the entire screen 1895 * Refresh the entire screen
1702 */ 1896 */
1703void 1897void
1704rxvt_term::scr_touch (bool refresh) 1898rxvt_term::scr_touch (bool refresh) noexcept
1705{ 1899{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1900 scr_expose (0, 0, vt_width, vt_height, refresh);
1707} 1901}
1708 1902
1709/* ------------------------------------------------------------------------- */ 1903/* ------------------------------------------------------------------------- */
1710/* 1904/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1905 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1906 * the top of the screen
1713 */ 1907 */
1714int 1908void
1715rxvt_term::scr_move_to (int y, int len) 1909rxvt_term::scr_move_to (int y, int len) noexcept
1716{ 1910{
1717 long p = 0; 1911 // lerp (y, 0, len, top_row, nrow - 1)
1718 uint16_t oldviewstart; 1912 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} 1913}
1731 1914
1732/* ------------------------------------------------------------------------- */ 1915/* ------------------------------------------------------------------------- */
1733/* 1916/*
1734 * Page the screen up/down nlines 1917 * Page the screen up/down nlines
1735 * direction should be UP or DN 1918 * direction should be UP or DN
1736 */ 1919 */
1737int 1920bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1921rxvt_term::scr_page (int nlines) noexcept
1739{ 1922{
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); 1923 return scr_changeview (view_start - nlines);
1756} 1924}
1757 1925
1758int 1926bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1927rxvt_term::scr_changeview (int new_view_start) noexcept
1760{ 1928{
1761 if (TermWin.view_start != oldviewstart) { 1929 clamp_it (new_view_start, top_row, 0);
1930
1931 if (new_view_start == view_start)
1932 return false;
1933
1934 num_scr += new_view_start - view_start;
1935 view_start = new_view_start;
1762 want_refresh = 1; 1936 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 1937
1772/* ------------------------------------------------------------------------- */ 1938 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1939
1774rxvt_term::scr_bell () 1940 return true;
1775{ 1941}
1942
1776#ifndef NO_BELL 1943#ifndef NO_BELL
1944void
1945rxvt_term::bell_cb (ev::timer &w, int revents)
1946{
1947 rvideo_bell = false;
1948 scr_rvideo_mode (rvideo_mode);
1949 refresh_check ();
1950}
1951#endif
1952
1953/* ------------------------------------------------------------------------- */
1954void
1955rxvt_term::scr_bell () noexcept
1956{
1957#ifndef NO_BELL
1958
1777# ifndef NO_MAPALERT 1959# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1960# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1961 if (option (Opt_mapAlert))
1780# endif 1962# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1963 XMapWindow (dpy, parent);
1782# endif 1964# endif
1783 if (Options & Opt_visualBell) { 1965
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1966# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1967 if (option (Opt_urgentOnBell))
1786 } else 1968 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1969# endif
1789}
1790 1970
1971 if (option (Opt_visualBell))
1972 {
1973 rvideo_bell = true;
1974 scr_rvideo_mode (rvideo_mode);
1975 flush ();
1976
1977 bell_ev.start (VISUAL_BELL_DURATION);
1978 }
1979 else
1980 XBell (dpy, 0);
1981 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1982#endif
1983}
1984
1791/* ------------------------------------------------------------------------- */ 1985/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1986void ecb_cold
1793void
1794rxvt_term::scr_printscreen (int fullhist) 1987rxvt_term::scr_printscreen (int fullhist) noexcept
1795{ 1988{
1796#ifdef PRINTPIPE 1989#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1990 int nrows, row_start;
1798 text_t *t; 1991 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1992
1801 if ((fd = popen_printer ()) == NULL) 1993 if (!fd)
1802 return; 1994 return;
1803 nrows = TermWin.nrow; 1995
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1996 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1997 {
1811 1998 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1999 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 2000 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 2001 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 2002 {
2003 nrows = nrow;
2004 row_start = view_start;
2005 }
2006
2007 wctomb (0, 0);
2008
2009 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2010 {
2011 text_t *tp = ROW(r1).t;
2012 int len = ROW(r1).l;
2013
2014 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2015 {
2016 char mb[MB_LEN_MAX];
2017 text_t t = *tp++;
2018 if (t == NOCHAR)
2019 continue;
2020
2021 len = wctomb (mb, t);
2022
2023 if (len <= 0)
2024 {
2025 mb[0] = ' ';
2026 len = 1;
2027 }
2028
2029 fwrite (mb, 1, len, fd);
2030 }
2031
2032 fputc ('\n', fd);
2033 }
2034
1819 pclose_printer (fd); 2035 pclose_printer (fd);
1820#endif 2036#endif
1821} 2037}
1822 2038
1823/* ------------------------------------------------------------------------- */ 2039/* ------------------------------------------------------------------------- */
1824/* 2040/*
1825 * Refresh the screen 2041 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2042 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2043 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2044 */
1829 2045void ecb_hot
1830#define FONT_WIDTH(X, Y) \ 2046rxvt_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{ 2047{
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 */ 2048 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2049 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2050 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */ 2051 rend_t ccol1, /* Cursor colour */
2052 ccol2; /* Cursor colour2 */
2053 rend_t cur_rend;
2054 int cur_col;
2055 int cursorwidth;
2056
2057 want_refresh = 0; /* screen is current */
2058
2059 if (refresh_type == NO_REFRESH || !mapped)
2060 return;
2061
2062 /*
2063 * A: set up vars
2064 */
2065 refresh_count = 0;
2066
2067 unsigned int old_screen_flags = screen.flags;
2068 bool have_bg = 0;
2069#ifdef HAVE_IMG
2070 have_bg = bg_img != 0;
2071#endif
2072 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2073
2074 /*
2075 * B: reverse any characters which are selected
2076 */
2077 scr_reverse_selection ();
2078
2079 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2080#if ENABLE_OVERLAY
2081 scr_swap_overlay ();
2082#endif
2083
2084 bool showcursor = screen.flags & Screen_VisibleCursor;
2085
2086 /*
2087 * C: set the cursor character (s)
2088 */
2089 {
2090#ifdef CURSOR_BLINK
2091 if (hidden_cursor)
2092 showcursor = 0;
2093#endif
2094
2095 if (showcursor)
2096 {
2097 int col = screen.cur.col;
2098
2099 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2100 col--;
2101
2102 cursorwidth = 1;
2103 while (col + cursorwidth < ncol
2104 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2105 cursorwidth++;
2106
2107 cur_rend = ROW(screen.cur.row).r[col];
2108 cur_col = col;
2109
1852#ifndef NO_CURSORCOLOR 2110#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2111 if (ISSET_PIXCOLOR (Color_cursor))
1854#endif 2112 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 { 2113 else
1908 cursorwidth++; 2114#endif
2115#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2116 ccol1 = fgcolor_of (rstyle);
2117#else
2118 ccol1 = Color_fg;
2119#endif
1909 2120
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 2121#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2122 if (ISSET_PIXCOLOR (Color_cursor2))
1919 ccol1 = Color_cursor; 2123 ccol2 = Color_cursor2;
1920 else 2124 else
2125#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2126#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2127 ccol2 = bgcolor_of (rstyle);
1923#else 2128#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; 2129 ccol2 = Color_bg;
1933#endif 2130#endif
1934 *srp = SET_FGCOLOR(*srp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2);
1936#endif
1937 }
1938 }
1939 2131
1940 /* make sure no outline cursor is left around */ 2132 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 } 2133 {
1954 } else if (!TermWin.focus) 2134 rend_t rend = cur_rend;
1955 setoldcursor = 1; 2135
1956 if (setoldcursor) { 2136 rend ^= RS_RVid;
1957 if (screen.cur.row + TermWin.view_start >= TermWin.nrow) 2137 rend = SET_FGCOLOR (rend, ccol1);
1958 oldcursor.row = -1; 2138 rend = SET_BGCOLOR (rend, ccol2);
1959 else { 2139
1960 oldcursor.row = screen.cur.row + TermWin.view_start; 2140 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1961 oldcursor.col = screen.cur.col;
1962 } 2141 }
1963 } 2142 }
2143
2144 /* make sure no outline cursor is left around */
2145 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2146 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2147
2148 // save the current cursor coordinates if the cursor is visible
2149 // and either the window is unfocused or the cursor style is
2150 // underline or vertical bar, so as to clear the outline cursor in
2151 // the next refresh if the cursor moves or becomes invisible
2152 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2153 {
2154 oldcursor.row = screen.cur.row - view_start;
2155 oldcursor.col = screen.cur.col;
1964 } 2156 }
2157 else
2158 oldcursor.row = -1;
2159 }
1965 2160
1966#ifndef NO_SLOW_LINK_SUPPORT 2161#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2162 /*
1968 * D: CopyArea pass - very useful for slower links 2163 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2164 * This has been deliberately kept simple.
1970 */ 2165 */
1971 i = num_scr; 2166 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2167 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2168 && abs (num_scr) < nrow && !have_bg)
1974 { 2169 {
1975 int16_t nits; 2170 int16_t nits;
1976 int j; 2171 int i = num_scr;
1977 rend_t *drp2; 2172 int j;
1978 text_t *dtp2; 2173 int len, wlen;
1979 int len, wlen;
1980 2174
1981 j = TermWin.nrow; 2175 j = nrow;
1982 wlen = len = -1; 2176 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2177 row = i > 0 ? 0 : j - 1;
2178
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2179 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2180 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2181 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2182 {
1988 stp = screen.text[row + row_offset]; 2183 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2184 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2185 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2186
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2187 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2188 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2189 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2190 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2191 nits++;
2000 2192
2001 if (nits > 8) /* XXX: arbitrary choice */ 2193 if (nits > 8) /* XXX: arbitrary choice */
2194 {
2195 for (col = ncol; col--; )
2196 {
2197 *d.t++ = *d2.t++;
2198 *d.r++ = *d2.r++;
2199 }
2200
2201 if (len == -1)
2202 len = row;
2203
2204 wlen = row;
2205 continue;
2206 }
2207 }
2208
2209 if (len >= 0)
2210 {
2211 /* also comes here at end if needed because of >= above */
2212 if (wlen < len)
2213 ::swap (wlen, len);
2214
2215 XGCValues gcv;
2216
2217 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2218 XCopyArea (dpy, vt, vt,
2219 gc, 0, Row2Pixel (len + i),
2220 (unsigned int)this->width,
2221 (unsigned int)Height2Pixel (wlen - len + 1),
2222 0, Row2Pixel (len));
2223 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2224
2225 len = -1;
2226 }
2227 }
2228 }
2229#endif
2230
2231 /*
2232 * E: main pass across every character
2233 */
2234 for (row = 0; row < nrow; row++)
2235 {
2236 text_t *stp = ROW(view_start + row).t;
2237 rend_t *srp = ROW(view_start + row).r;
2238 text_t *dtp = drawn_buf[row].t;
2239 rend_t *drp = drawn_buf[row].r;
2240
2241 /*
2242 * E2: OK, now the real pass
2243 */
2244 int ypixel = (int)Row2Pixel (row);
2245
2246 for (col = 0; col < ncol; col++)
2247 {
2248 /* compare new text with old - if exactly the same then continue */
2249 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2250 continue;
2251
2252 // redraw one or more characters
2253
2254 // seek to the beginning of wide characters
2255 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2256 --col;
2257
2258 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2259 text_t *text = stp + col;
2260 int count = 1;
2261
2262 dtp[col] = stp[col];
2263 drp[col] = rend;
2264
2265 int xpixel = Col2Pixel (col);
2266
2267 for (i = 0; ++col < ncol; )
2268 {
2269 if (stp[col] == NOCHAR)
2270 {
2271 dtp[col] = stp[col];
2272 drp[col] = srp[col];
2273
2274 count++;
2275 i++;
2276
2277 continue;
2278 }
2279
2280 if (!RS_SAME (rend, srp[col]))
2281 break;
2282
2283 count++;
2284
2285 if (stp[col] != dtp[col]
2286 || !RS_SAME (srp[col], drp[col]))
2287 {
2288 if (have_bg && (i++ > count / 2))
2289 break;
2290
2291 dtp[col] = stp[col];
2292 drp[col] = rend;
2293 i = 0;
2294 }
2295 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2296 break;
2297 }
2298
2299 col--; /* went one too far. move back */
2300 count -= i; /* dump any matching trailing chars */
2301
2302 // sometimes we optimize away the trailing NOCHAR's, add them back
2303 while (ecb_unlikely (i && text[count] == NOCHAR))
2304 count++, i--;
2305
2306 /*
2307 * Determine the attributes for the string
2308 */
2309 int fore = fgcolor_of (rend); // desired foreground
2310 int back = bgcolor_of (rend); // desired background
2311
2312 // only do special processing if any attributes are set, which is unlikely
2313 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2314 {
2315 bool invert = rend & RS_RVid;
2316
2317#ifndef NO_BOLD_UNDERLINE_REVERSE
2318 if (rend & RS_Bold && fore == Color_fg)
2319 {
2320 if (ISSET_PIXCOLOR (Color_BD))
2321 fore = Color_BD;
2322# if !ENABLE_STYLES
2323 else
2324 invert = !invert;
2325# endif
2326 }
2327
2328 if (rend & RS_Italic && fore == Color_fg)
2329 {
2330 if (ISSET_PIXCOLOR (Color_IT))
2331 fore = Color_IT;
2332# if !ENABLE_STYLES
2333 else
2334 invert = !invert;
2335# endif
2336 }
2337
2338 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2339 fore = Color_UL;
2340#endif
2341
2342#ifdef OPTION_HC
2343 if (rend & RS_Sel)
2344 {
2345 /* invert the column if no highlightColor is set or it is the
2346 * current cursor column */
2347 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2348 && ISSET_PIXCOLOR (Color_HC))
2349 {
2350 if (ISSET_PIXCOLOR (Color_HTC))
2351 fore = Color_HTC;
2352 // if invert is 0 reverse video is set so we use bg color as fg color
2353 else if (!invert)
2354 fore = back;
2355
2356 back = Color_HC;
2357 invert = 0;
2358 }
2359 }
2360#endif
2361
2362 if (invert)
2363 {
2364 ::swap (fore, back);
2365
2366#ifndef NO_BOLD_UNDERLINE_REVERSE
2367 if (fore == back)
2368 {
2369 fore = Color_bg;
2370 back = Color_fg;
2371 }
2372#endif
2373 }
2374
2375#ifdef TEXT_BLINK
2376 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2377 {
2378 if (!text_blink_ev.is_active ())
2379 {
2380 text_blink_ev.again ();
2381 hidden_text = 0;
2382 }
2383 else if (hidden_text)
2384 fore = back;
2385 }
2386#endif
2387
2388#if ENABLE_STYLES
2389 // "careful" (too wide) character handling
2390
2391 // include previous careful character(s) if possible, looks nicer (best effort...)
2392 while (text > stp
2393 && srp[text - stp - 1] & RS_Careful
2394 && RS_SAME (rend, srp[text - stp - 1]))
2395 text--, count++, xpixel -= fwidth;
2396
2397 // force redraw after "careful" characters to avoid pixel droppings
2398 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2399 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2400
2401 // force redraw before "careful" characters to avoid pixel droppings
2402 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2403 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2404#endif
2405 }
2406
2407 /*
2408 * Actually do the drawing of the string here
2409 */
2410 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2411
2412 if (ecb_likely (have_bg && back == Color_bg))
2413 {
2414 // this is very ugly, maybe push it into ->draw?
2415
2416 for (i = 0; i < count; i++) /* don't draw empty strings */
2417 if (text[i] != ' ')
2002 { 2418 {
2003 for (col = TermWin.ncol; col--; ) 2419 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2420 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 } 2421 }
2422
2423 CLEAR_CHARS (xpixel, ypixel, count);
2424 did_clear: ;
2015 } 2425 }
2426 else
2427 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2428
2017 if (len != -1) 2429 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2430 {
2019 /* also comes here at end if needed because of >= above */ 2431 if (showcursor && focus && row == screen.cur.row
2020 if (wlen < len) 2432 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2021 SWAP_IT(wlen, len, int); 2433 XSetForeground (dpy, gc, pix_colors[ccol1]);
2434 else
2435#if ENABLE_FRILLS
2436 if (ISSET_PIXCOLOR (Color_underline))
2437 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2438 else
2439#endif
2440 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2441
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2442 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2443 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2444 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 } 2445 }
2031 } 2446 } /* for (col....) */
2032 } 2447 } /* for (row....) */
2033#endif
2034 2448
2035 /* 2449 /*
2036 * E: main pass across every character 2450 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2451 */
2038 for (row = 0; row < TermWin.nrow; row++) 2452 if (showcursor)
2039 { 2453 {
2040 stp = screen.text[row + row_offset]; 2454 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 { 2455 {
2052 /* compare new text with old - if exactly the same then continue */ 2456 if (cursor_type == 0)
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2457 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2054 2458 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 { 2459 {
2078 if (stp[col] == NOCHAR) 2460 XSetForeground (dpy, gc, pix_colors[ccol1]);
2461 if (cursor_type == 1)
2462 XFillRectangle (dpy, vt, gc,
2463 Col2Pixel (cur_col),
2464 Row2Pixel (oldcursor.row + 1) - 2,
2465 Width2Pixel (1),
2466 2);
2079 { 2467 else
2080 dtp[col] = stp[col]; 2468 XFillRectangle (dpy, vt, gc,
2081 drp[col] = rend; 2469 Col2Pixel (cur_col),
2082 count++; 2470 Row2Pixel (oldcursor.row),
2083 2471 2,
2084 if (i) // only possible skip if char unchanged 2472 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 } 2473 }
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 } 2474 }
2133#endif 2475 else if (oldcursor.row >= 0)
2134 if (rvid)
2135 { 2476 {
2136 SWAP_IT(fore, back, int); 2477 XSetForeground (dpy, gc, pix_colors[ccol1]);
2137 2478
2138#ifndef NO_BOLD_UNDERLINE_REVERSE 2479 XDrawRectangle (dpy, vt, gc,
2139 if (ISSET_PIXCOLOR (Color_RV) 2480 Col2Pixel (cur_col),
2140# ifndef NO_CURSORCOLOR 2481 Row2Pixel (oldcursor.row),
2141 && !ISSET_PIXCOLOR (Color_cursor) 2482 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2483 (unsigned int) (Height2Pixel (1) - 1));
2484 }
2485 }
2486
2487 /*
2488 * H: cleanup selection
2489 */
2490#if ENABLE_OVERLAY
2491 scr_swap_overlay ();
2492#endif
2493 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2494
2495 scr_reverse_selection ();
2496
2497 screen.flags = old_screen_flags;
2498 num_scr = 0;
2499 num_scr_allow = 1;
2500}
2501
2502void ecb_cold
2503rxvt_term::scr_remap_chars (line_t &l) noexcept
2504{
2505 if (!l.valid ())
2506 return;
2507
2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2509
2510 for (int i = ncol; i--; )
2511 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2512}
2513
2514void ecb_cold
2515rxvt_term::scr_remap_chars () noexcept
2516{
2517 for (int i = total_rows; i--; )
2518 scr_remap_chars (row_buf [i]);
2519
2520 for (int i = nrow; i--; )
2521 {
2522 scr_remap_chars (drawn_buf [i]);
2523 scr_remap_chars (swap_buf [i]);
2524 }
2525}
2526
2527void ecb_cold
2528rxvt_term::scr_recolor (bool refresh) noexcept
2529{
2530 bool transparent = false;
2531
2532#ifdef HAVE_IMG
2533 if (bg_img != 0)
2534 {
2535# if ENABLE_TRANSPARENCY
2536 if (bg_flags & BG_IS_TRANSPARENT)
2537 {
2538 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2539 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2540
2541 transparent = true;
2542 }
2543 else
2142# endif 2544# 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 } 2545 {
2215 } 2546 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2216 2547 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 /* 2548 }
2227 * clear the whole screen height, note that width == 0 is treated 2549 }
2228 * specially by XClearArea 2550 else
2229 */ 2551#endif
2230 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2552 {
2231 (unsigned int)TermWin.int_bwidth, 2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2232 (unsigned int)TermWin_TotalHeight(), False); 2554 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2233 if (clearlast && TermWin.int_bwidth) 2555 }
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 2556
2245 num_scr = 0; 2557 XClearWindow (dpy, parent);
2246 num_scr_allow = 1;
2247 want_refresh = 0; /* screen is current */
2248}
2249 2558
2559 if (scrollBar.state && scrollBar.win)
2560 {
2561 if (transparent)
2562 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2563 else
2564 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2565 scrollBar.state = SB_STATE_IDLE;
2566 scrollBar.show (0);
2567 }
2568
2569 if (refresh)
2570 {
2571 scr_clear ();
2572 scr_touch (true);
2573 }
2574 want_refresh = 1;
2575}
2576
2250/* ------------------------------------------------------------------------- */ 2577/* ------------------------------------------------------------------------- */
2251void 2578void
2252rxvt_term::scr_clear() 2579rxvt_term::scr_clear (bool really) noexcept
2253{ 2580{
2254 if (!TermWin.mapped) 2581 if (!mapped)
2255 return; 2582 return;
2256 2583
2257 num_scr_allow = 0; 2584 num_scr_allow = 0;
2258 want_refresh = 1; 2585 want_refresh = 1;
2259#ifdef TRANSPARENT 2586
2260 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2587 if (really)
2588 XClearWindow (dpy, vt);
2589}
2590
2591void
2592rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2593{
2594 int view_end = view_start + nrow;
2595 int row, col;
2596
2597 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2598 {
2599 text_t *stp = ROW(row).t;
2600 rend_t *srp = ROW(row).r;
2601
2602 for (col = beg_col; col < end_col; col++)
2603 srp[col] ^= rstyle1;
2604
2605 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2606 srp[col] ^= rstyle2;
2607
2608 if (++col < end_col)
2609 srp[col] ^= rstyle2;
2261 { 2610 }
2262 int i; 2611}
2263 2612
2264 if (!(Options & Opt_transparent_all)) 2613void
2614rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2615{
2616 int view_end = view_start + nrow;
2617 int row, col;
2618
2619 if (beg_row >= view_start)
2620 {
2621 col = beg_col;
2622 row = beg_row;
2623 }
2624 else
2625 {
2265 i = 0; 2626 col = 0;
2627 row = view_start;
2628 }
2629
2630 for (; row < min (end_row, view_end); row++, col = 0)
2631 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2632 srp[col] ^= rstyle;
2633
2634 if (row == end_row)
2635 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2636 srp[col] ^= rstyle;
2637}
2638
2639/* ------------------------------------------------------------------------- */
2640void ecb_hot
2641rxvt_term::scr_reverse_selection () noexcept
2642{
2643 if (selection.op
2644 && current_screen == selection.screen
2645 && selection.end.row >= view_start)
2646 {
2647#if !ENABLE_MINIMAL
2648 if (selection.rect)
2649 scr_xor_rect (selection.beg.row, selection.beg.col,
2650 selection.end.row, selection.end.col,
2651 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2266 else 2652 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 2653#endif
2274 2654 scr_xor_span (selection.beg.row, selection.beg.col,
2275 XClearWindow (Xdisplay, TermWin.vt); 2655 selection.end.row, selection.end.col,
2276} 2656 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 } 2657 }
2303} 2658}
2304 2659
2305/* ------------------------------------------------------------------------- */ 2660/* ------------------------------------------------------------------------- */
2306/* 2661/*
2307 * Dump the whole scrollback and screen to the passed filedescriptor. The 2662 * Dump the whole scrollback and screen to the passed filedescriptor. The
2308 * invoking routine must close the fd. 2663 * invoking routine must close the fd.
2309 */ 2664 */
2310#if 0 2665#if 0
2311void 2666void
2312rxvt_term::scr_dump (int fd) 2667rxvt_term::scr_dump (int fd) noexcept
2313{ 2668{
2314 int row, wrote; 2669 // if this method is needed, it can be implemented by factoring the
2315 unsigned int width, towrite; 2670 // 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} 2671}
2333#endif 2672#endif
2334 2673
2335/* ------------------------------------------------------------------------- * 2674/* ------------------------------------------------------------------------- *
2336 * CHARACTER SELECTION * 2675 * CHARACTER SELECTION *
2337 * ------------------------------------------------------------------------- */ 2676 * ------------------------------------------------------------------------- */
2338
2339/*
2340 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2341 */
2342void 2677void
2343rxvt_term::selection_check (int check_more) 2678rxvt_term::selection_check (int check_more) noexcept
2344{ 2679{
2345 row_col_t pos;
2346
2347 if (!selection.op) 2680 if (!selection.op)
2348 return; 2681 return;
2349 2682
2350 pos.row = pos.col = 0; 2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2351 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2684 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2352 || (selection.beg.row >= TermWin.nrow) 2685 || !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 2686 || (check_more == 1
2358 && current_screen == selection.screen 2687 && current_screen == selection.screen
2359 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2688 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2360 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2689 && 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(); 2690 CLEAR_ALL_SELECTION ();
2691}
2692
2693void
2694rxvt_term::selection_changed () noexcept
2695{
2696 line_t &r1 = ROW (selection.beg.row);
2697 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2698 ++selection.beg.col;
2699
2700 line_t &r2 = ROW (selection.end.row);
2701 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2702 ++selection.end.col;
2703
2704 want_refresh = 1;
2370} 2705}
2371 2706
2372/* ------------------------------------------------------------------------- */ 2707/* ------------------------------------------------------------------------- */
2373/* 2708/*
2374 * Paste a selection direct to the command fd 2709 * Paste a selection direct to the command fd
2375 */ 2710 */
2376void 2711void
2377rxvt_term::paste (const unsigned char *data, unsigned int len) 2712rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2378{ 2713{
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 */ 2714 /* convert normal newline chars into common keyboard Return key sequence */
2388 for (i = 0; i < len; i += PROP_SIZE) 2715 for (unsigned int i = 0; i < len; i++)
2389 { 2716 if (data[i] == C0_LF)
2390 n = min (len - i, PROP_SIZE); 2717 data[i] = C0_CR;
2391 MEMCPY (ds, data + i, n);
2392 2718
2393 for (j = 0; j < n; j++) 2719 if (priv_modes & PrivMode_BracketPaste)
2394 if (ds[j] == '\n') 2720 tt_printf ("\x1b[200~");
2395 ds[j] = '\r';
2396 2721
2397 tt_write (ds, (int)n); 2722 tt_write (data, len);
2398 }
2399 2723
2400 free(ds); 2724 if (priv_modes & PrivMode_BracketPaste)
2725 tt_printf ("\x1b[201~");
2401} 2726}
2402 2727
2403/* ------------------------------------------------------------------------- */ 2728void
2404/* 2729rxvt_term::paste (char *data, unsigned int len) noexcept
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{ 2730{
2411 long nread = 0; 2731 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
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; 2732 return;
2440 }
2441 2733
2442 for (;;) 2734 tt_paste (data, len);
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} 2735}
2510 2736
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
2552 } else if (selection_wait == Sel_incr) {
2553 reget_time = 1;
2554 if (selection_paste (win, prop, True) == -1) {
2555 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2556 selection_wait = Sel_none;
2557 incr_ev.stop ();
2558 }
2559 }
2560 if (reget_time) /* received more data so reget time */
2561 incr_ev.start (NOW + 10);
2562}
2563/* ------------------------------------------------------------------------- */ 2737/* ------------------------------------------------------------------------- */
2564/* 2738/*
2565 * Request the current selection: 2739 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2566 * Order: > internal selection if available 2740 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2567 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2741 * 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 2742 * EXT: button 2 release
2572 */ 2743 */
2573void 2744void
2574rxvt_term::selection_request (Time tm, int x, int y) 2745rxvt_term::selection_request (Time tm, int selnum) noexcept
2575{ 2746{
2576 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2747 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 } 2748 {
2601 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2749 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2602 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2750 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 } 2751 }
2627 return 0;
2628} 2752}
2629 2753
2630/* ------------------------------------------------------------------------- */ 2754/* ------------------------------------------------------------------------- */
2631/* 2755/*
2632 * Clear all selected text 2756 * Clear all selected text
2633 * EXT: SelectionClear 2757 * EXT: SelectionClear
2634 */ 2758 */
2635void 2759void
2636rxvt_term::selection_clear () 2760rxvt_term::selection_clear (bool clipboard) noexcept
2637{ 2761{
2638 D_SELECT((stderr, "rxvt_selection_clear()")); 2762 if (!clipboard)
2639 2763 {
2640 want_refresh = 1; 2764 want_refresh = 1;
2641 if (selection.text)
2642 free(selection.text); 2765 free (selection.text);
2643 selection.text = NULL; 2766 selection.text = NULL;
2644 selection.len = 0; 2767 selection.len = 0;
2645 CLEAR_SELECTION(); 2768 CLEAR_SELECTION ();
2769
2770 if (display->selection_owner == this)
2771 display->selection_owner = 0;
2772 }
2773 else
2774 {
2775 free (selection.clip_text);
2776 selection.clip_text = NULL;
2777 selection.clip_len = 0;
2778
2779 if (display->clipboard_owner == this)
2780 display->clipboard_owner = 0;
2781 }
2646} 2782}
2647 2783
2648/* ------------------------------------------------------------------------- */ 2784/* ------------------------------------------------------------------------- */
2649/* 2785/*
2650 * Copy a selection into the cut buffer 2786 * Copy a selection into the cut buffer
2651 * EXT: button 1 or 3 release 2787 * EXT: button 1 or 3 release
2652 */ 2788 */
2653void 2789void
2654rxvt_term::selection_make (Time tm) 2790rxvt_term::selection_make (Time tm)
2655{ 2791{
2656 int i, col, end_col, row, end_row; 2792 int size;
2657 unsigned char *new_selection_text; 2793 wchar_t *new_selection_text;
2658 char *str; 2794 text_t *t;
2659 text_t *t;
2660#ifdef ACS_ASCII
2661 rend_t *re;
2662#endif
2663 2795
2664 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2665 switch (selection.op) { 2796 switch (selection.op)
2797 {
2666 case SELECTION_CONT: 2798 case SELECTION_CONT:
2667 break; 2799 break;
2668 case SELECTION_INIT: 2800 case SELECTION_INIT:
2669 CLEAR_SELECTION(); 2801 CLEAR_SELECTION ();
2670 /* FALLTHROUGH */ 2802 /* FALLTHROUGH */
2671 case SELECTION_BEGIN: 2803 case SELECTION_BEGIN:
2672 selection.op = SELECTION_DONE; 2804 selection.op = SELECTION_DONE;
2673 /* FALLTHROUGH */ 2805 /* FALLTHROUGH */
2674 default: 2806 default:
2675 return; 2807 return;
2676 } 2808 }
2809
2677 selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2678 2811
2679 if (selection.clicks == 4) 2812 if (selection.clicks == 4)
2680 return; /* nothing selected, go away */ 2813 return; /* nothing selected, go away */
2681 2814
2815 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2816 return;
2817
2682 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2818 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2683 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2819 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2684 2820
2685 new_selection_text = (unsigned char *)str; 2821 int ofs = 0;
2822 int extra = 0;
2686 2823
2687 col = selection.beg.col; 2824 int col = selection.beg.col;
2688 MAX_IT(col, 0); 2825 int row = selection.beg.row;
2689 row = selection.beg.row + TermWin.saveLines;
2690 end_row = selection.end.row + TermWin.saveLines;
2691 2826
2827 int end_col;
2828
2692 for (; row <= end_row; row++, col = 0) 2829 for (; row <= selection.end.row; row++, col = 0)
2830 {
2831#if !ENABLE_MINIMAL
2832 if (selection.rect)
2693 { 2833 {
2694 t = &(screen.text[row][col]); 2834 col = selection.beg.col;
2695
2696 end_col = screen.tlen[row];
2697
2698 if (end_col == -1)
2699 end_col = TermWin.ncol; 2835 end_col = selection.end.col;
2836 }
2837 else
2838#endif
2839 end_col = ROW(row).l;
2700 2840
2841 col = max (col, 0);
2842
2701 if (row == end_row) 2843 if (row == selection.end.row)
2702 MIN_IT (end_col, selection.end.col); 2844 min_it (end_col, selection.end.col);
2703 2845
2846 t = ROW(row).t + col;
2847
2704 for (; col < end_col; col++) 2848 for (; col < end_col; col++)
2849 {
2705 if (*t == NOCHAR) 2850 if (*t == NOCHAR)
2706 t++; 2851 t++;
2852#if ENABLE_COMBINING
2853 else if (IS_COMPOSE (*t))
2854 {
2855 int len = rxvt_composite.expand (*t);
2856
2857 extra -= (len - 1);
2858
2859 if (extra < 0)
2860 {
2861 extra += size;
2862 size += size;
2863 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2864 }
2865
2866 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2867 }
2868#endif
2707 else 2869 else
2708 { 2870 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 { 2871 }
2759 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2872
2760 PropModeReplace, ct.value, ct.nitems); 2873#if !ENABLE_MINIMAL
2761 XFree (ct.value); 2874 if (selection.rect)
2875 {
2876 while (ofs
2877 && new_selection_text[ofs - 1] != C0_LF
2878 && unicode::is_space (new_selection_text[ofs - 1]))
2879 --ofs;
2880
2881 new_selection_text[ofs++] = C0_LF;
2762 } 2882 }
2763 else 2883 else
2764 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2884#endif
2765 PropModeReplace, selection.text, (int)selection.len); 2885 if (!ROW(row).is_longer ()
2886 && (row != selection.end.row || end_col != selection.end.col)
2887 && (row != selection.beg.row || selection.beg.col < ncol))
2888 new_selection_text[ofs++] = C0_LF;
2889 }
2890
2891 new_selection_text[ofs] = 0;
2892
2893 if (ofs == 0)
2766 } 2894 {
2895 free (new_selection_text);
2896 return;
2897 }
2767 2898
2899 free (selection.text);
2900
2901 // we usually allocate much more than necessary, so realloc it smaller again
2902 selection.len = ofs;
2903 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2904
2905 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2906 return;
2907
2908 selection_grab (tm);
2909}
2910
2911bool
2912rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2913{
2914 Atom sel;
2915
2916 if (!clipboard)
2917 {
2768 selection_time = tm; 2918 selection_time = tm;
2769 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2919 sel = XA_PRIMARY;
2920 }
2921 else
2922 {
2923 clipboard_time = tm;
2924 sel = xa[XA_CLIPBOARD];
2925 }
2926
2927 XSetSelectionOwner (dpy, sel, vt, tm);
2928 if (XGetSelectionOwner (dpy, sel) == vt)
2929 {
2930 display->set_selection_owner (this, clipboard);
2931 return true;
2932 }
2933 else
2934 {
2935 selection_clear (clipboard);
2936 return false;
2937 }
2938
2939#if 0
2940 XTextProperty ct;
2941
2942 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2943 {
2944 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2945 XFree (ct.value);
2946 }
2947#endif
2770} 2948}
2771 2949
2772/* ------------------------------------------------------------------------- */ 2950/* ------------------------------------------------------------------------- */
2773/* 2951/*
2774 * Mark or select text based upon number of clicks: 1, 2, or 3 2952 * Mark or select text based upon number of clicks: 1, 2, or 3
2775 * EXT: button 1 press 2953 * EXT: button 1 press
2776 */ 2954 */
2777void 2955void ecb_cold
2778rxvt_term::selection_click (int clicks, int x, int y) 2956rxvt_term::selection_click (int clicks, int x, int y) noexcept
2779{ 2957{
2780 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2781
2782 clicks = ((clicks - 1) % 3) + 1; 2958 clicks = ((clicks - 1) % 3) + 1;
2783 selection.clicks = clicks; /* save clicks so extend will work */ 2959 selection.clicks = clicks; /* save clicks so extend will work */
2784 2960
2961 if (clicks == 2 && !selection.rect
2962 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2963 {
2964 MEvent.clicks = 1; // what a mess
2965 selection.screen = current_screen;
2966 selection.op = SELECTION_CONT;
2967 return;
2968 }
2969
2785 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2970 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2786 2971
2787 if (clicks == 2 || clicks == 3) 2972 if (clicks == 2 || clicks == 3)
2788 selection_extend_colrow (selection.mark.col, 2973 selection_extend_colrow (selection.mark.col,
2789 selection.mark.row + TermWin.view_start, 2974 selection.mark.row - view_start,
2790 0, /* button 3 */ 2975 0, /* button 3 */
2791 1, /* button press */ 2976 1, /* button press */
2792 0); /* click change */ 2977 0); /* click change */
2793} 2978}
2794 2979
2795/* ------------------------------------------------------------------------- */ 2980/* ------------------------------------------------------------------------- */
2796/* 2981/*
2797 * Mark a selection at the specified col/row 2982 * Mark a selection at the specified col/row
2798 */ 2983 */
2799void 2984void ecb_cold
2800rxvt_term::selection_start_colrow (int col, int row) 2985rxvt_term::selection_start_colrow (int col, int row) noexcept
2801{ 2986{
2802 want_refresh = 1; 2987 want_refresh = 1;
2988
2989 selection.mark.row = row + view_start;
2803 selection.mark.col = col; 2990 selection.mark.col = col;
2804 selection.mark.row = row - TermWin.view_start; 2991
2805 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2992 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2806 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2993 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2994
2995 while (selection.mark.col > 0
2996 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2807 MAX_IT(selection.mark.col, 0); 2997 --selection.mark.col;
2808 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2809 2998
2810 if (selection.op) { /* clear the old selection */ 2999 if (selection.op)
3000 {
3001 /* clear the old selection */
2811 selection.beg.row = selection.end.row = selection.mark.row; 3002 selection.beg.row = selection.end.row = selection.mark.row;
2812 selection.beg.col = selection.end.col = selection.mark.col; 3003 selection.beg.col = selection.end.col = selection.mark.col;
2813 } 3004 }
3005
2814 selection.op = SELECTION_INIT; 3006 selection.op = SELECTION_INIT;
2815 selection.screen = current_screen; 3007 selection.screen = current_screen;
2816} 3008}
2817 3009
2818/* ------------------------------------------------------------------------- */ 3010/* ------------------------------------------------------------------------- */
2819/* 3011/*
2820 * Word select: select text for 2 clicks 3012 * Word select: select text for 2 clicks
2821 * We now only find out the boundary in one direction 3013 * We now only find out the boundary in one direction
2822 */ 3014 */
2823 3015
2824/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3016/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2825#define DELIMIT_TEXT(x) \ 3017#define DELIMIT_TEXT(x) \
2826 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3018 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2827#define DELIMIT_REND(x) 1 3019#define DELIMIT_REND(x) 1
2828 3020
2829void 3021void ecb_cold
2830rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3022rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2831{ 3023{
2832 int col, row, dirnadd, tcol, trow, w1, w2; 3024 int col, row, dirnadd, tcol, trow, w1, w2;
2833 row_col_t bound; 3025 row_col_t bound;
2834 text_t *stp; 3026 text_t *stp;
2835 rend_t *srp; 3027 rend_t *srp;
2836 3028
2837 if (dirn == UP) { 3029 if (dirn == UP)
2838 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3030 {
3031 bound.row = top_row - 1;
2839 bound.col = 0; 3032 bound.col = 0;
2840 dirnadd = -1; 3033 dirnadd = -1;
2841 } else { 3034 }
2842 bound.row = TermWin.saveLines + TermWin.nrow; 3035 else
3036 {
3037 bound.row = nrow;
2843 bound.col = TermWin.ncol - 1; 3038 bound.col = ncol - 1;
2844 dirnadd = 1; 3039 dirnadd = 1;
2845 } 3040 }
2846 row = mark->row + TermWin.saveLines; 3041
3042 row = mark->row;
2847 col = mark->col; 3043 col = max (mark->col, 0);
2848 MAX_IT(col, 0); 3044
2849/* find the edge of a word */ 3045 /* find the edge of a word */
2850 stp = &(screen.text[row][col]); 3046 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2851 w1 = DELIMIT_TEXT(*stp); 3047 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2852 3048
2853 if (selection_style != NEW_SELECT) { 3049 for (;;)
2854 if (w1 == 1) { 3050 {
3051 for (; col != bound.col; col += dirnadd)
3052 {
2855 stp += dirnadd; 3053 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; 3054 srp += dirnadd;
3055
3056 if (*stp == NOCHAR)
3057 continue;
3058
2868 if (DELIMIT_TEXT(*stp) != w1) 3059 if (DELIMIT_TEXT (*stp) != w1)
3060 break;
3061 if (DELIMIT_REND (*srp) != w2)
3062 break;
3063 }
3064
3065 if ((col == bound.col) && (row != bound.row))
3066 {
3067 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3068 {
3069 trow = row + dirnadd;
3070 tcol = dirn == UP ? ncol - 1 : 0;
3071
3072 if (!ROW(trow).t)
2869 break; 3073 break;
2870 srp += dirnadd; 3074
2871 if (DELIMIT_REND(*srp) != w2) 3075 stp = ROW(trow).t + tcol;
3076 srp = ROW(trow).r + tcol;
3077
3078 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2872 break; 3079 break;
2873 } 3080
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; 3081 row = trow;
2885 col = tcol; 3082 col = tcol;
2886 continue; 3083 continue;
2887 } 3084 }
2888 } 3085 }
2889 break; 3086 break;
2890 } 3087 }
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 3088
2894 if (dirn == DN) 3089 if (dirn == DN)
2895 col++; /* put us on one past the end */ 3090 col++; /* put us on one past the end */
2896 3091
2897/* Poke the values back in */ 3092 /* Poke the values back in */
2898 ret->row = row - TermWin.saveLines; 3093 ret->row = row;
2899 ret->col = col; 3094 ret->col = col;
2900} 3095}
2901 3096
2902/* ------------------------------------------------------------------------- */ 3097/* ------------------------------------------------------------------------- */
2903/* 3098/*
2904 * Extend the selection to the specified x/y pixel location 3099 * Extend the selection to the specified x/y pixel location
2905 * EXT: button 3 press; button 1 or 3 drag 3100 * EXT: button 3 press; button 1 or 3 drag
2906 * flag == 0 ==> button 1 3101 * flag == 0 ==> button 1
2907 * flag == 1 ==> button 3 press 3102 * flag == 1 ==> button 3 press
2908 * flag == 2 ==> button 3 motion 3103 * flag == 2 ==> button 3 motion
2909 */ 3104 */
2910void 3105void ecb_cold
2911rxvt_term::selection_extend (int x, int y, int flag) 3106rxvt_term::selection_extend (int x, int y, int flag) noexcept
2912{ 3107{
2913 int col, row; 3108 int col = clamp (Pixel2Col (x), 0, ncol);
3109 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2914 3110
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 /* 3111 /*
2924 * If we're selecting characters (single click) then we must check first 3112 * 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 3113 * 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 3114 * 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. 3115 * be _past_ a character for it to be selected.
2928 */ 3116 */
2929 if (selection_style != OLD_SELECT)
2930 {
2931 if (((selection.clicks % 3) == 1) && !flag 3117 if (((selection.clicks % 3) == 1) && !flag
2932 && (col == selection.mark.col 3118 && (col == selection.mark.col
2933 && (row == selection.mark.row + TermWin.view_start))) 3119 && (row == selection.mark.row - view_start)))
2934 { 3120 {
2935 /* select nothing */ 3121 /* select nothing */
2936 selection.beg.row = selection.end.row = 0; 3122 selection.beg.row = selection.end.row = 0;
2937 selection.beg.col = selection.end.col = 0; 3123 selection.beg.col = selection.end.col = 0;
2938 selection.clicks = 4; 3124 selection.clicks = 4;
2939 want_refresh = 1; 3125 want_refresh = 1;
2940 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2941 return; 3126 return;
2942 }
2943 } 3127 }
2944#endif 3128
2945 if (selection.clicks == 4) 3129 if (selection.clicks == 4)
2946 selection.clicks = 1; 3130 selection.clicks = 1;
2947 3131
2948 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3132 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2949 flag == 1 ? 1 : 0, /* ? button press */ 3133 flag == 1 ? 1 : 0, /* ? button press */
2950 0); /* no click change */ 3134 0); /* no click change */
2951} 3135}
2952 3136
2953/* ------------------------------------------------------------------------- */ 3137/* ------------------------------------------------------------------------- */
2954/* 3138/*
2955 * Extend the selection to the specified col/row 3139 * Extend the selection to the specified col/row
2956 */ 3140 */
2957void 3141void ecb_cold
2958rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3142rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2959{ 3143{
2960 int16_t ncol = TermWin.ncol;
2961 int end_col;
2962 row_col_t pos; 3144 row_col_t pos;
2963 enum { 3145 enum {
2964 LEFT, RIGHT 3146 LEFT, RIGHT
2965 } closeto = RIGHT; 3147 } closeto = RIGHT;
2966 3148
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) { 3149 switch (selection.op)
3150 {
2972 case SELECTION_INIT: 3151 case SELECTION_INIT:
2973 CLEAR_SELECTION(); 3152 CLEAR_SELECTION ();
2974 selection.op = SELECTION_BEGIN; 3153 selection.op = SELECTION_BEGIN;
2975 /* FALLTHROUGH */ 3154 /* FALLTHROUGH */
2976 case SELECTION_BEGIN: 3155 case SELECTION_BEGIN:
2977 if (row != selection.mark.row || col != selection.mark.col 3156 if (row != selection.mark.row || col != selection.mark.col
2978 || (!button3 && buttonpress)) 3157 || (!button3 && buttonpress))
2979 selection.op = SELECTION_CONT; 3158 selection.op = SELECTION_CONT;
2980 break; 3159 break;
2981 case SELECTION_DONE: 3160 case SELECTION_DONE:
2982 selection.op = SELECTION_CONT; 3161 selection.op = SELECTION_CONT;
2983 /* FALLTHROUGH */ 3162 /* FALLTHROUGH */
2984 case SELECTION_CONT: 3163 case SELECTION_CONT:
2985 break; 3164 break;
2986 case SELECTION_CLEAR: 3165 case SELECTION_CLEAR:
2987 selection_start_colrow (col, row); 3166 selection_start_colrow (col, row);
2988 /* FALLTHROUGH */ 3167 /* FALLTHROUGH */
2989 default: 3168 default:
2990 return; 3169 return;
2991 } 3170 }
3171
2992 if (selection.beg.col == selection.end.col 3172 if (selection.beg.col == selection.end.col
2993 && selection.beg.col != selection.mark.col 3173 && selection.beg.col != selection.mark.col
2994 && selection.beg.row == selection.end.row 3174 && selection.beg.row == selection.end.row
2995 && selection.beg.row != selection.mark.row) { 3175 && selection.beg.row != selection.mark.row)
3176 {
2996 selection.beg.col = selection.end.col = selection.mark.col; 3177 selection.beg.col = selection.end.col = selection.mark.col;
2997 selection.beg.row = selection.end.row = selection.mark.row; 3178 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 } 3179 }
3000 3180
3001 pos.col = col; 3181 pos.col = col;
3002 pos.row = row; 3182 pos.row = view_start + row;
3003 3183
3004 pos.row -= TermWin.view_start; /* adjust for scroll */ 3184 /*
3005 3185 * This is mainly xterm style selection with a couple of differences, mainly
3006#ifndef NO_OLD_SELECTION 3186 * in the way button3 drag extension works.
3007/* 3187 * 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. 3188 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3009 * There are no ``selection modes'', button3 is always character extension. 3189 * is always at the left/right edge of the selection.
3010 * Note: button3 drag is always available, c.f. v2.20 3190 * b) button3 press: extend/contract character/word/line at whichever edge of
3011 * Selection always terminates (left or right as appropriate) at the mark. 3191 * the selection we are closest to.
3192 * c) button3 drag : extend/contract character/word/line - we select around
3193 * a point/word/line which is either the start or end of the selection
3194 * and it was decided by whichever point/word/line was `fixed' at the
3195 * time of the most recent button3 press
3012 */ 3196 */
3013 if (selection_style == OLD_SELECT) { 3197 if (button3 && buttonpress)
3014 if (selection.clicks == 1 || button3) { 3198 {
3015 if (hate_those_clicks) { 3199 /* button3 press */
3016 hate_those_clicks = 0; 3200 /*
3017 if (selection.clicks == 1) { 3201 * first determine which edge of the selection we are closest to
3018 selection.beg.row = selection.mark.row; 3202 */
3019 selection.beg.col = selection.mark.col; 3203 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3020 } else { 3204 || (!ROWCOL_IS_AFTER (pos, selection.end)
3205 && (((pos.col - selection.beg.col)
3206 + ((pos.row - selection.beg.row) * ncol))
3207 < ((selection.end.col - pos.col)
3208 + ((selection.end.row - pos.row) * ncol)))))
3209 closeto = LEFT;
3210
3211 if (closeto == LEFT)
3212 {
3213 selection.beg.row = pos.row;
3214 selection.beg.col = pos.col;
3215 selection.mark.row = selection.end.row;
3216 selection.mark.col = selection.end.col - (selection.clicks == 2);
3217 }
3218 else
3219 {
3220 selection.end.row = pos.row;
3221 selection.end.col = pos.col;
3021 selection.mark.row = selection.beg.row; 3222 selection.mark.row = selection.beg.row;
3022 selection.mark.col = selection.beg.col; 3223 selection.mark.col = selection.beg.col;
3224 }
3225 }
3226 else
3227 {
3228 /* button1 drag or button3 drag */
3229 if (ROWCOL_IS_AFTER (selection.mark, pos))
3230 {
3231 if (selection.mark.row == selection.end.row
3232 && selection.mark.col == selection.end.col
3233 && clickchange
3234 && selection.clicks == 2)
3235 selection.mark.col--;
3236
3237 selection.beg.row = pos.row;
3238 selection.beg.col = pos.col;
3239 selection.end.row = selection.mark.row;
3240 selection.end.col = selection.mark.col + (selection.clicks == 2);
3241 }
3242 else
3243 {
3244 selection.beg.row = selection.mark.row;
3245 selection.beg.col = selection.mark.col;
3246 selection.end.row = pos.row;
3247 selection.end.col = pos.col;
3248 }
3249 }
3250
3251 if (selection.clicks == 1)
3252 {
3253 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3254 && !ROW(selection.beg.row).is_longer ()
3255#if !ENABLE_MINIMAL
3256 && !selection.rect
3257#endif
3258 )
3259 selection.beg.col = ncol;
3260
3261 if (
3262 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3263 && !ROW(selection.end.row).is_longer ()
3264#if !ENABLE_MINIMAL
3265 && !selection.rect
3266#endif
3267 )
3268 selection.end.col = ncol;
3269 }
3270 else if (selection.clicks == 2)
3271 {
3272 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3273 selection.end.col--;
3274
3275 selection_delimit_word (UP, &selection.beg, &selection.beg);
3276 selection_delimit_word (DN, &selection.end, &selection.end);
3277 }
3278 else if (selection.clicks == 3)
3279 {
3280#if ENABLE_FRILLS
3281 if (option (Opt_tripleclickwords))
3282 {
3283 selection_delimit_word (UP, &selection.beg, &selection.beg);
3284
3285 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3286 {
3287 if (!ROW(end_row).is_longer ())
3288 {
3289 selection.end.row = end_row;
3290 selection.end.col = ROW(end_row).l;
3291# if !ENABLE_MINIMAL
3292 selection_remove_trailing_spaces ();
3293# endif
3294 break;
3023 } 3295 }
3024 } 3296 }
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 } 3297 }
3036 } else if (selection.clicks == 2) { 3298 else
3037 selection_delimit_word (UP, &(selection.mark), 3299#endif
3038 &(selection.beg)); 3300 {
3039 selection_delimit_word (DN, &(selection.mark), 3301 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3040 &(selection.end)); 3302 selection.mark.col++;
3041 hate_those_clicks = 1; 3303
3042 } else if (selection.clicks == 3) {
3043 selection.beg.row = selection.end.row = selection.mark.row;
3044 selection.beg.col = 0; 3304 selection.beg.col = 0;
3045 selection.end.col = ncol; 3305 selection.end.col = ncol;
3046 hate_those_clicks = 1; 3306
3047 } 3307 // 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)); 3308 while (selection.beg.row > -saveLines
3049 return; 3309 && ROW(selection.beg.row - 1).is_longer ())
3050 } 3310 selection.beg.row--;
3051#endif /* ! NO_OLD_SELECTION */ 3311
3052#ifndef NO_NEW_SELECTION 3312 while (selection.end.row < nrow
3053/* selection_style must not be OLD_SELECT to get here */ 3313 && ROW(selection.end.row).is_longer ())
3054/* 3314 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 /* 3315 }
3069 * first determine which edge of the selection we are closest to 3316 }
3070 */ 3317
3071 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3318 if (button3 && buttonpress)
3072 || (!ROWCOL_IS_AFTER(pos, selection.end) 3319 {
3073 && (((pos.col - selection.beg.col) 3320 /* 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) { 3321 if (closeto == LEFT)
3079 selection.beg.row = pos.row; 3322 {
3080 selection.beg.col = pos.col;
3081 selection.mark.row = selection.end.row; 3323 selection.mark.row = selection.end.row;
3082 selection.mark.col = selection.end.col 3324 selection.mark.col = selection.end.col - (selection.clicks == 2);
3083 - (selection.clicks == 2); 3325 }
3084 } else { 3326 else
3085 selection.end.row = pos.row; 3327 {
3086 selection.end.col = pos.col;
3087 selection.mark.row = selection.beg.row; 3328 selection.mark.row = selection.beg.row;
3088 selection.mark.col = selection.beg.col; 3329 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 { 3330 }
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 } 3331 }
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 3332
3174#ifndef NO_FRILLS 3333#if !ENABLE_MINIMAL
3175void 3334 if (selection.rect && selection.beg.col > selection.end.col)
3335 ::swap (selection.beg.col, selection.end.col);
3336#endif
3337
3338 selection_changed ();
3339}
3340
3341#if !ENABLE_MINIMAL
3342void ecb_cold
3176rxvt_term::selection_remove_trailing_spaces () 3343rxvt_term::selection_remove_trailing_spaces () noexcept
3177{ 3344{
3178 int32_t end_col, end_row; 3345 int32_t end_col, end_row;
3179 text_t *stp; 3346 text_t *stp;
3180 3347
3181 end_col = selection.end.col; 3348 end_col = selection.end.col;
3182 end_row = selection.end.row; 3349 end_row = selection.end.row;
3350
3183 for ( ; end_row >= selection.beg.row; ) { 3351 for (; end_row >= selection.beg.row; )
3184 stp = screen.text[end_row + TermWin.saveLines]; 3352 {
3353 stp = ROW(end_row).t;
3354
3185 while (--end_col >= 0) { 3355 while (--end_col >= 0)
3186 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3187 break;
3188 } 3356 {
3189 if (end_col >= 0 3357 if (stp[end_col] != NOCHAR
3190 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3358 && !unicode::is_space (stp[end_col]))
3191 selection.end.col = end_col + 1;
3192 selection.end.row = end_row;
3193 break; 3359 break;
3194 } 3360 }
3361
3362 if (end_col >= 0
3363 || !ROW(end_row - 1).is_longer ())
3364 {
3365 selection.end.col = end_col + 1;
3366 selection.end.row = end_row;
3367 break;
3368 }
3369
3195 end_row--; 3370 end_row--;
3196 end_col = TermWin.ncol; 3371 end_col = ncol;
3197 } 3372 }
3373
3198 if (selection.mark.row > selection.end.row) { 3374 if (selection.mark.row > selection.end.row)
3375 {
3199 selection.mark.row = selection.end.row; 3376 selection.mark.row = selection.end.row;
3200 selection.mark.col = selection.end.col; 3377 selection.mark.col = selection.end.col;
3378 }
3201 } else if (selection.mark.row == selection.end.row 3379 else if (selection.mark.row == selection.end.row
3202 && selection.mark.col > selection.end.col) 3380 && selection.mark.col > selection.end.col)
3203 selection.mark.col = selection.end.col; 3381 selection.mark.col = selection.end.col;
3204} 3382}
3205#endif 3383#endif
3206 3384
3207/* ------------------------------------------------------------------------- */ 3385/* ------------------------------------------------------------------------- */
3208/* 3386/*
3209 * Double click on button 3 when already selected 3387 * Double click on button 3 when already selected
3210 * EXT: button 3 double click 3388 * EXT: button 3 double click
3211 */ 3389 */
3212void 3390void ecb_cold
3213rxvt_term::selection_rotate (int x, int y) 3391rxvt_term::selection_rotate (int x, int y) noexcept
3214{ 3392{
3215 selection.clicks = selection.clicks % 3 + 1; 3393 selection.clicks = selection.clicks % 3 + 1;
3216 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3394 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3217} 3395}
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 3396
3227/* ------------------------------------------------------------------------- */ 3397/* ------------------------------------------------------------------------- */
3228/* 3398/*
3229 * Respond to a request for our current selection 3399 * Respond to a request for our current selection
3230 * EXT: SelectionRequest 3400 * EXT: SelectionRequest
3231 */ 3401 */
3232void 3402void ecb_cold
3233rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3403rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3234{ 3404{
3405 Atom property = rq.property == None ? rq.target : rq.property;
3235 XSelectionEvent ev; 3406 XSelectionEvent ev;
3236 XTextProperty ct;
3237 XICCEncodingStyle style;
3238 Atom target;
3239 3407
3240 ev.type = SelectionNotify; 3408 ev.type = SelectionNotify;
3241 ev.property = None; 3409 ev.property = None;
3242 ev.display = rq->display; 3410 ev.display = rq.display;
3243 ev.requestor = rq->requestor; 3411 ev.requestor = rq.requestor;
3244 ev.selection = rq->selection; 3412 ev.selection = rq.selection;
3245 ev.target = rq->target; 3413 ev.target = rq.target;
3246 ev.time = rq->time; 3414 ev.time = rq.time;
3247 3415
3248 if (rq->target == xa[XA_TARGETS]) { 3416 if (rq.target == xa[XA_TARGETS])
3417 {
3249 Atom32 target_list[5]; 3418 Atom target_list[6];
3250 Atom32 *target = target_list; 3419 Atom *target = target_list;
3251 3420
3252 *target++ = (Atom32) xa[XA_TARGETS]; 3421 *target++ = xa[XA_TARGETS];
3422 *target++ = xa[XA_TIMESTAMP];
3253 *target++ = (Atom32) XA_STRING; 3423 *target++ = XA_STRING;
3254 *target++ = (Atom32) xa[XA_TEXT]; 3424 *target++ = xa[XA_TEXT];
3255 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3425 *target++ = xa[XA_COMPOUND_TEXT];
3256#if X_HAVE_UTF8_STRING 3426#if X_HAVE_UTF8_STRING
3257 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3427 *target++ = xa[XA_UTF8_STRING];
3258#endif 3428#endif
3429
3259 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3430 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3260 (8 * sizeof(target_list[0])), PropModeReplace, 3431 32, PropModeReplace,
3261 (unsigned char *)target_list, 3432 (unsigned char *)target_list, target - target_list);
3262 target - target_list);
3263 ev.property = rq->property; 3433 ev.property = property;
3434 }
3435#if TODO // TODO
3264 } else if (rq->target == xa[XA_MULTIPLE]) { 3436 else if (rq.target == xa[XA_MULTIPLE])
3437 {
3265 /* TODO: Handle MULTIPLE */ 3438 /* TODO: Handle MULTIPLE */
3266 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3439 }
3440#endif
3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3442 {
3267 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3268 (8 * sizeof(Time)), PropModeReplace,
3269 (unsigned char *)&selection_time, 1); 3444 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3270 ev.property = rq->property; 3445 ev.property = property;
3446 }
3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3448 {
3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3450 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3451 ev.property = property;
3452 }
3271 } else if (rq->target == XA_STRING 3453 else if (rq.target == XA_STRING
3272 || rq->target == xa[XA_TEXT] 3454 || rq.target == xa[XA_TEXT]
3273 || rq->target == xa[XA_COMPOUND_TEXT] 3455 || rq.target == xa[XA_COMPOUND_TEXT]
3274 || rq->target == xa[XA_UTF8_STRING] 3456 || rq.target == xa[XA_UTF8_STRING]
3275 ) { 3457 )
3458 {
3459 XTextProperty ct;
3460 Atom target = rq.target;
3276 short freect = 0; 3461 short freect = 0;
3277 int selectlen; 3462 int selectlen;
3278 char *cl; 3463 wchar_t *cl;
3464 enum {
3465 enc_string = XStringStyle,
3466 enc_text = XStdICCTextStyle,
3467 enc_compound_text = XCompoundTextStyle,
3468#ifdef X_HAVE_UTF8_STRING
3469 enc_utf8 = XUTF8StringStyle,
3470#else
3471 enc_utf8 = -1,
3472#endif
3473 } style;
3279 3474
3280 target = rq->target;
3281
3282 if (target == XA_STRING) 3475 if (target == XA_STRING)
3283 // we actually don't do XA_STRING, but who cares, as i18n clients 3476 // we actually don't do XA_STRING, but who cares, as i18n clients
3284 // will ask for another format anyways. 3477 // will ask for another format anyways.
3285 style = XStringStyle; 3478 style = enc_string;
3286 else if (target == xa[XA_TEXT]) 3479 else if (target == xa[XA_TEXT])
3287 style = XTextStyle; 3480 style = enc_text;
3288 else if (target == xa[XA_COMPOUND_TEXT]) 3481 else if (target == xa[XA_COMPOUND_TEXT])
3289 style = XCompoundTextStyle; 3482 style = enc_compound_text;
3290#if X_HAVE_UTF8_STRING 3483#if !ENABLE_MINIMAL
3291 else if (target == xa[XA_UTF8_STRING]) 3484 else if (target == xa[XA_UTF8_STRING])
3292 style = XUTF8StringStyle; 3485 style = enc_utf8;
3293#endif 3486#endif
3294 else 3487 else
3295 { 3488 {
3296 target = xa[XA_COMPOUND_TEXT]; 3489 target = xa[XA_COMPOUND_TEXT];
3297 style = XCompoundTextStyle; 3490 style = enc_compound_text;
3298 } 3491 }
3299 3492
3300 if (selection.text) { 3493 if (rq.selection == XA_PRIMARY && selection.text)
3494 {
3301 cl = (char *)selection.text; 3495 cl = selection.text;
3302 selectlen = selection.len; 3496 selectlen = selection.len;
3497 }
3498 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3499 {
3500 cl = selection.clip_text;
3501 selectlen = selection.clip_len;
3502 }
3303 } else { 3503 else
3304 cl = ""; 3504 {
3505 cl = (wchar_t *)L"";
3305 selectlen = 0; 3506 selectlen = 0;
3507 }
3508
3509#if !ENABLE_MINIMAL
3510 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3511 // so recode it manually
3512 if (style == enc_utf8)
3306 } 3513 {
3307
3308 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3309 freect = 1; 3514 freect = 1;
3515 ct.encoding = target;
3516 ct.format = 8;
3517 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3518 ct.nitems = strlen ((char *)ct.value);
3519 }
3310 else 3520 else
3521#endif
3522 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3523 freect = 1;
3524 else
3311 { 3525 {
3312 /* if we failed to convert then send it raw */ 3526 /* if we failed to convert then send it raw */
3313 ct.value = (unsigned char *)cl; 3527 ct.value = (unsigned char *)cl;
3314 ct.nitems = selectlen; 3528 ct.nitems = selectlen;
3529 ct.encoding = target;
3315 } 3530 }
3316 3531
3317 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3532 XChangeProperty (dpy, rq.requestor, property,
3318 target, 8, PropModeReplace, 3533 ct.encoding, 8, PropModeReplace,
3319 ct.value, (int)ct.nitems); 3534 ct.value, (int)ct.nitems);
3320 ev.property = rq->property; 3535 ev.property = property;
3321 3536
3322 if (freect) 3537 if (freect)
3323 XFree (ct.value); 3538 XFree (ct.value);
3324 } 3539 }
3540
3325 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3541 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3326} 3542}
3327 3543
3328/* ------------------------------------------------------------------------- * 3544/* ------------------------------------------------------------------------- */
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 3545#if USE_XIM
3346void 3546void ecb_cold
3347rxvt_term::set_position (XPoint *pos) 3547rxvt_term::im_set_position (XPoint &pos) noexcept
3348{ 3548{
3349 XWindowAttributes xwa; 3549 XWindowAttributes xwa;
3350 3550
3351 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3551 XGetWindowAttributes (dpy, vt, &xwa);
3552
3352 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3553 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3353 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3554 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3354} 3555}
3355
3356#endif 3556#endif
3357/* ------------------------------------------------------------------------- */ 3557
3358 3558#if ENABLE_OVERLAY
3559void
3560rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3561{
3562 if (nrow < 1 || ncol < 1)
3563 return;
3564
3565 want_refresh = 1;
3566
3567 scr_overlay_off ();
3568
3569 if (x < 0) x = ncol - w;
3570 if (y < 0) y = nrow - h;
3571
3572 // make space for border
3573 w += 2; min_it (w, ncol);
3574 h += 2; min_it (h, nrow);
3575
3576 x -= 1; clamp_it (x, 0, ncol - w);
3577 y -= 1; clamp_it (y, 0, nrow - h);
3578
3579 ov.x = x; ov.y = y;
3580 ov.w = w; ov.h = h;
3581
3582 ov.text = new text_t *[h];
3583 ov.rend = new rend_t *[h];
3584
3585 for (y = 0; y < h; y++)
3586 {
3587 text_t *tp = ov.text[y] = new text_t[w];
3588 rend_t *rp = ov.rend[y] = new rend_t[w];
3589
3590 text_t t0, t1, t2;
3591 rend_t r = OVERLAY_RSTYLE;
3592
3593 if (y == 0)
3594 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3595 else if (y < h - 1)
3596 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3597 else
3598 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3599
3600 *tp++ = t0;
3601 *rp++ = r;
3602
3603 for (x = w - 2; x > 0; --x)
3604 {
3605 *tp++ = t1;
3606 *rp++ = r;
3607 }
3608
3609 *tp = t2;
3610 *rp = r;
3611 }
3612}
3613
3614void
3615rxvt_term::scr_overlay_off () noexcept
3616{
3617 if (!ov.text)
3618 return;
3619
3620 want_refresh = 1;
3621
3622 for (int y = 0; y < ov.h; y++)
3623 {
3624 delete [] ov.text[y];
3625 delete [] ov.rend[y];
3626 }
3627
3628 delete [] ov.text; ov.text = 0;
3629 delete [] ov.rend; ov.rend = 0;
3630}
3631
3632void
3633rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3634{
3635 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3636 return;
3637
3638 x++, y++;
3639
3640 ov.text[y][x] = text;
3641 ov.rend[y][x] = rend;
3642}
3643
3644void
3645rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3646{
3647 while (*s)
3648 scr_overlay_set (x++, y, *s++);
3649}
3650
3651void
3652rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3653{
3654 while (*s)
3655 {
3656 text_t t = *s++;
3657 int width = WCWIDTH (t);
3658
3659 while (width--)
3660 {
3661 scr_overlay_set (x++, y, t);
3662 t = NOCHAR;
3663 }
3664 }
3665}
3666
3667void
3668rxvt_term::scr_swap_overlay () noexcept
3669{
3670 if (!ov.text)
3671 return;
3672
3673 // hide cursor if it is within the overlay area
3674 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3675 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3676 screen.flags &= ~Screen_VisibleCursor;
3677
3678 // swap screen mem with overlay
3679 for (int y = ov.h; y--; )
3680 {
3681 text_t *t1 = ov.text[y];
3682 rend_t *r1 = ov.rend[y];
3683
3684 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3685 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3686
3687 for (int x = ov.w; x--; )
3688 {
3689 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3690 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3691 }
3692 }
3693}
3694
3695#endif
3359/* ------------------------------------------------------------------------- * 3696/* ------------------------------------------------------------------------- */
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 3697
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

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