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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.21 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.466 by root, Fri Aug 5 07:54:11 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
6 * 8 *
7 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version. 12 * (at your option) any later version.
11 * 13 *
12 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
16 * 18 *
17 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
21/* 24/*
22 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
23 */ 26 */
24 27
25#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
29 31
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 32#include <inttypes.h>
33#include <wchar.h>
34 33
35#include "salloc.C" // HACK!! 34static inline void
36
37inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
38{ 36{
39 while (len--) 37 while (len--)
40 *start++ = value; 38 *start++ = value;
41} 39}
42 40
43/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
46 43
47/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 47#define ZERO_SCROLLBACK() \
51 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
52 TermWin.view_start = 0 49 view_start = 0
53#define CLEAR_SELECTION() \ 50#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 51 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 53#define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \ 54 selection.beg.row = selection.beg.col \
58 = selection.mark.row = selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
60 57
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
73 70
74/* these must be row_col_t */ 71/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 81 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 84
88/* 85/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 87 */
93#define drawBuffer TermWin.vt
94
95#define CLEAR_ROWS(row, num) \
96 if (TermWin.mapped) \
97 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel(row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel(num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 89 if (mapped) \
103 XClearArea (Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel(row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel(num))
112 93
113/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
116/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
117void 99void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
119{ 101{
120 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
122 116
123 while (width--) 117 while (width--)
124 { 118 {
125 *et++ = ' '; 119 *et++ = ' ';
126 *er++ = efs; 120 *er++ = efs;
… …
128} 122}
129 123
130/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
132void 126void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
134{ 128{
135#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 130
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
145} 164}
146 165
147/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
150void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
151rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
152{ 216{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
154 unsigned int p, q; 218 scr_overlay_off ();
155 int k; 219#endif
156 rend_t setrstyle;
157 220
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 221 view_start = 0;
161 num_scr = 0; 222 num_scr = 0;
162 223
163 if (TermWin.ncol == 0) 224 if (ncol == 0)
164 TermWin.ncol = 80; 225 ncol = 80;
165 226
166 if (TermWin.nrow == 0) 227 if (nrow == 0)
167 TermWin.nrow = 24; 228 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 229
172 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 231 return;
174 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
175 want_refresh = 1; 242 want_refresh = 1;
176 243
244 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 246
180 screen.tscroll = 0; 247 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
182 249
183 if (!talloc) 250 void *prev_chunk = chunk;
184 { 251 size_t prev_chunk_size = chunk_size;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
187 } 259 {
188 260 top_row = 0;
189 if (prev_nrow == 0) 261 term_start = 0;
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 262
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 267 screen.charset = 0;
223 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
235 selection.text = NULL; 280 selection.text = NULL;
236 selection.len = 0; 281 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
241 rvideo = 0; 286 selection.clip_len = 0;
242 } 287 }
243 else 288 else
244 { 289 {
245 /* 290 /*
246 * add or delete rows as appropriate 291 * add or delete rows as appropriate
247 */ 292 */
248 setrstyle = DEFAULT_RSTYLE;
249 293
250 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 304 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 305
256 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
257 { 321 {
258 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 328 {
261#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 330
263#endif 331 plines++;
264 talloc->free (screen.text[q]); 332 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 333 }
267 if (swap.text[p]) 334
335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 q -= qlines;
338
339 // drop partial lines completely
340 if (q < 0)
341 break;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
268 { 348 {
269#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
270 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
271#endif 351 qline->l = ncol;
272 talloc->free (swap.text[p]); 352 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
274 } 385 }
275#ifdef DEBUG_STRICT 386
276 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 388 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 390 }
391 while (p != pend && q > 0);
281 392
282 /* we have fewer rows so fix up cursor position */ 393 top_row = q - term_start;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 394
286 scr_reset_realloc (); /* realloc _last_ */ 395 // make sure all terminal lines exist
287 } 396 while (top_row > 0)
288 else if (nrow > prev_nrow) 397 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 398 }
290 /* add rows */ 399 else
291 scr_reset_realloc (); /* realloc _first_ */ 400#endif
292 401 {
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 402 // wing, instead of wrap
294 403 do
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 404 {
299 screen.tlen[p] = 0; 405 p = MOD (p - 1, prev_total_rows);
300 screen.text[p] = NULL; 406 q--;
301 screen.rend[p] = NULL; 407
408 copy_line (row_buf [q], prev_row_buf [p]);
302 } 409 }
410 while (p != pend);
303 411
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
306
307 for (p = prev_nrow; p < nrow; p++)
308 {
309 swap.tlen[p] = 0;
310 swap.text[p] = NULL;
311 swap.rend[p] = NULL;
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
316 }
317
318 if (k > 0)
319 {
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
321 screen.cur.row += k;
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
324 }
325#ifdef DEBUG_STRICT
326 assert(screen.cur.row < TermWin.nrow);
327 assert(swap.cur.row < TermWin.nrow);
328#else /* drive with your eyes closed */
329
330 MIN_IT(screen.cur.row, nrow - 1); 412 screen.cur.row += nrow - prev_nrow;
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 { 413 }
339 int common = min (prev_ncol, ncol); 414
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 415 term_start = total_rows - nrow;
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 416
417 clamp_it (screen.cur.row, 0, nrow - 1);
418 clamp_it (screen.cur.col, 0, ncol - 1);
342 419 }
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;
349 420
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
351 422 for (int row = nrow; row--; )
352 if (ncol > prev_ncol)
353 scr_blank_line (&(screen.text[p][prev_ncol]),
354 &(screen.rend[p][prev_ncol]),
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359
360 for (p = 0; p < nrow; p++)
361 {
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
364
365 if (ncol > prev_ncol)
366 scr_blank_line (&(drawn_text[p][prev_ncol]),
367 &(drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
369
370 if (swap.text[p])
371 {
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
374
375 MIN_IT(swap.tlen[p], (int16_t)ncol);
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&(swap.text[p][prev_ncol]),
379 &(swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
381 }
382
383 }
384
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
387
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
390 }
391
392 if (tabs)
393 free(tabs);
394 } 423 {
424 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
425 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
426 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
427 }
428
429 chunk_free (prev_chunk, prev_chunk_size);
430
431 free (tabs);
432 tabs = (char *)rxvt_malloc (ncol);
433
434 for (int col = ncol; col--; )
435 tabs [col] = col % TABSIZE == 0;
436
437 CLEAR_ALL_SELECTION ();
395 438
396 prev_nrow = nrow; 439 prev_nrow = nrow;
397 prev_ncol = ncol; 440 prev_ncol = ncol;
398 441
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 (); 442 tt_winch ();
405}
406 443
407void 444 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} 445}
429 446
430/* ------------------------------------------------------------------------- */ 447void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 448rxvt_term::scr_release () noexcept
436{ 449{
437 uint16_t total_rows; 450 chunk_free (chunk, chunk_size);
438 int i; 451 chunk = 0;
452 row_buf = 0;
439 453
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); 454 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; 455 tabs = 0;
473} 456}
474 457
475/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
476/* 459/*
477 * Hard reset 460 * Hard/Soft reset
478 */ 461 */
479void 462void ecb_cold
480rxvt_term::scr_poweron () 463rxvt_term::scr_poweron ()
481{ 464{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 465 scr_release ();
466
485 prev_nrow = prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
468 rvideo_mode = false;
469 scr_soft_reset ();
486 scr_reset (); 470 scr_reset ();
487 471
488 scr_clear (); 472 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 473 scr_refresh ();
490#ifdef RXVT_GRAPHICS 474}
491 Gr_reset (); 475
476void ecb_cold
477rxvt_term::scr_soft_reset () noexcept
478{
479 /* only affects modes, nothing drastic such as clearing the screen */
480#if ENABLE_OVERLAY
481 scr_overlay_off ();
492#endif 482#endif
483
484 if (current_screen != PRIMARY)
485 scr_swap_screen ();
486
487 scr_scroll_region (0, MAX_ROWS - 1);
488 scr_rendition (0, ~RS_None);
489 scr_insert_mode (0);
493} 490}
494 491
495/* ------------------------------------------------------------------------- * 492/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 493 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 494 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 496 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 499 */
503void 500void
504rxvt_term::scr_cursor (int mode) 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
505{ 502{
506 screen_t *s; 503 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 504
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
512 s = &(swap); 507 s = &swap;
513 else 508 else
514#endif 509#endif
515 s = &(screen); 510 s = &screen;
511
516 switch (mode) { 512 switch (mode)
513 {
517 case SAVE: 514 case SAVE:
518 s->s_cur.row = s->cur.row; 515 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 516 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 517 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 518 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 519 s->s_charset_char = charsets[screen.charset];
523 break; 520 break;
521
524 case RESTORE: 522 case RESTORE:
525 want_refresh = 1; 523 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 524 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 525 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 526 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 527 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 528 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 529 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 530 set_font_style ();
533 break; 531 break;
534 } 532 }
533
535/* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 535 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 536 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 537 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 538 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 539}
542 MAX_IT(s->cur.row, 0); 540
543 MAX_IT(s->cur.col, 0); 541void
544#endif 542rxvt_term::scr_swap_screen () noexcept
543{
544 if (!option (Opt_secondaryScreen))
545 return;
546
547 for (int i = prev_nrow; i--; )
548 ::swap (ROW(i), swap_buf [i]);
549
550 ::swap (screen.cur, swap.cur);
551
552 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
553 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 554}
546 555
547/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
548/* 557/*
549 * Swap between primary and secondary screens 558 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 559 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 560 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 561 */
553int 562void
554rxvt_term::scr_change_screen (int scrn) 563rxvt_term::scr_change_screen (int scrn)
555{ 564{
556 int i; 565 if (scrn == current_screen)
566 return;
567
568 want_refresh = 1;
569 view_start = 0;
570
571 /* check for boundary cross */
572 row_col_t pos;
573 pos.row = pos.col = 0;
574 if (ROWCOL_IS_BEFORE (selection.beg, pos)
575 && ROWCOL_IS_AFTER (selection.end, pos))
576 CLEAR_SELECTION ();
577
578 current_screen = scrn;
579
557#if NSCREENS 580#if NSCREENS
558 int offset; 581 if (option (Opt_secondaryScreen))
559#endif 582 {
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; 583 num_scr = 0;
575 offset = TermWin.saveLines; 584
576 for (i = prev_nrow; i--;) { 585 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 586
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 587 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 588 ::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; 589 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 590 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 591 }
592 else
603# endif 593#endif
604#else 594 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); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 596}
617#endif 597
598// clear WrapNext indicator, solidifying position on next line
599void
600rxvt_term::scr_do_wrap () noexcept
601{
602 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 603 return;
604
605 screen.flags &= ~Screen_WrapNext;
606
607 screen.cur.col = 0;
608
609 if (screen.cur.row == screen.bscroll)
610 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
611 else if (screen.cur.row < nrow - 1)
612 screen.cur.row++;
619} 613}
620 614
621/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
622/* 616/*
623 * Change the colour for following text 617 * Change the colour for following text
624 */ 618 */
625void 619void
626rxvt_term::scr_color (unsigned int color, int fgbg) 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
627{ 621{
622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
628 color &= RS_fgMask; 623 color = fgbg;
624
629 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
631 else 627 else
632 rstyle = SET_BGCOLOR(rstyle, color); 628 rstyle = SET_BGCOLOR (rstyle, color);
633} 629}
634 630
635/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
636/* 632/*
637 * Change the rendition style for following text 633 * Change the rendition style for following text
638 */ 634 */
639void 635void
640rxvt_term::scr_rendition (int set, int style) 636rxvt_term::scr_rendition (int set, int style) noexcept
641{ 637{
642 if (set) 638 if (set)
643 rstyle |= style; 639 rstyle |= style;
644 else if (style == ~RS_None) 640 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
646 else 642 else
647 rstyle &= ~style; 643 rstyle &= ~style;
648} 644}
649 645
650/* ------------------------------------------------------------------------- */ 646/* ------------------------------------------------------------------------- */
651/* 647/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 649 * count positive ==> scroll up
654 * count negative ==> scroll down 650 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 651 */
657int 652int ecb_hot
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
659{ 654{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
664 return 0; 656 return 0;
665 657
666 want_refresh = 1; 658 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 659 num_scr += count;
668 660
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 661 if (count > 0
662 && row1 == 0
663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
667 top_row = max (top_row - count, -saveLines);
668
669 // sever bottommost line
670 { 670 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 671 line_t &l = ROW(row2);
672 672 l.is_longer (0);
673 if (nscrolled > (long)TermWin.saveLines) 673 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 } 674 }
683 else if (!spec)
684 row1 += TermWin.saveLines;
685 675
686 row2 += TermWin.saveLines; 676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
687 678
679 // now copy lines below the scroll region bottom to the
680 // bottom of the screen again, so they look as if they
681 // hadn't moved.
682 for (int i = nrow; --i > row2; )
683 {
684 line_t &l1 = ROW(i - count);
685 line_t &l2 = ROW(i);
686
687 ::swap (l1, l2);
688 l2.touch ();
689 }
690
691 // erase newly scrolled-in lines
692 for (int i = count; i--; )
693 {
694 line_t &l = ROW(row2 - i);
695
696 // optimise if already cleared, can be significant on slow machines
697 // could be rolled into scr_blank_screen_mem
698 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
699 {
700 scr_blank_line (l, 0, l.l, rstyle);
701 l.l = 0;
702 l.f = 0;
703 }
704 else
705 scr_blank_screen_mem (l, rstyle);
706 }
707
708 // move and/or clear selection, if any
688 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
689 { 710 && 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 } 711 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 712 selection.beg.row -= count;
706 selection.end.row -= count; 713 selection.end.row -= count;
707 selection.mark.row -= count; 714 selection.mark.row -= count;
708 }
709 }
710 715
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 716 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 { 717 }
729 buf_text[i] = screen.text[j]; 718
730 buf_rend[i] = screen.rend[j]; 719 // finally move the view window, if desired
720 if (option (Opt_scrollWithBuffer)
721 && view_start != 0
722 && view_start != -saveLines)
723 scr_page (count);
724
725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
726 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
727 }
728 else
729 {
730 if (selection.op && current_screen == selection.screen)
731 } 731 {
732 /* A2: Rotate lines */ 732 if ((selection.beg.row < row1 && selection.end.row > row1)
733 for (j = row1, i = j + count; i <= row2; i++, j++) 733 || (selection.beg.row < row2 && selection.end.row > row2)
734 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
735 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
736 || (selection.end.row - count < row1 && selection.end.row >= row1)
737 || (selection.end.row - count > row2 && selection.end.row <= row2))
738 {
739 CLEAR_ALL_SELECTION ();
740 selection.op = SELECTION_CLEAR;
741 }
742 else if (selection.end.row >= row1 && selection.end.row <= row2)
743 {
744 /* move selected region too */
745 selection.beg.row -= count;
746 selection.end.row -= count;
747 selection.mark.row -= count;
748
749 selection_check (0);
750 }
734 { 751 }
735 screen.tlen[j] = screen.tlen[i]; 752
736 screen.text[j] = screen.text[i]; 753 // use a simple and robust scrolling algorithm, this
737 screen.rend[j] = screen.rend[i]; 754 // part of scr_scroll_text is not time-critical.
755
756 // sever line above scroll region
757 if (row1)
738 } 758 {
739 j = row2 - count + 1, i = count; 759 line_t &l = ROW(row1 - 1);
740 } 760 l.is_longer (0);
741 else /* if (j < 0) */ 761 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 { 762 }
748 buf_text[i] = screen.text[j]; 763
749 buf_rend[i] = screen.rend[j]; 764 int rows = row2 - row1 + 1;
765
766 min_it (count, rows);
767
768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
769
770 for (int row = 0; row < rows; row++)
750 } 771 {
751 /* B2: Rotate lines */ 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
752 for (j = row2, i = j - count; i >= row1; i--, j--) 773
774 if (!IN_RANGE_EXC (row + count, 0, rows))
775 scr_blank_screen_mem (temp_buf [row], rstyle);
753 { 776 }
754 screen.tlen[j] = screen.tlen[i]; 777
755 screen.text[j] = screen.text[i]; 778 for (int row = 0; row < rows; row++)
756 screen.rend[j] = screen.rend[i]; 779 ROW(row1 + row) = temp_buf [row];
780
781 // sever bottommost line
782 {
783 line_t &l = ROW(row2);
784 l.is_longer (0);
785 l.touch ();
757 } 786 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 787 }
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
778 788
779 return count; 789 return count;
780} 790}
781 791
782/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
783/* 793/*
784 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
785 */ 795 */
786void 796void ecb_hot
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
788{ 798{
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 */ 799 if (len <= 0) /* sanity */
796 return; 800 return;
797 801
802 bool checksel;
803 unicode_t c;
804 int ncol = this->ncol;
805 const wchar_t *strend = str + len;
806
798 want_refresh = 1; 807 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 808 ZERO_SCROLLBACK ();
809
803 if (nlines > 0) { 810 if (minlines > 0)
811 {
804 nlines += (screen.cur.row - screen.bscroll); 812 minlines += screen.cur.row - screen.bscroll;
813 min_it (minlines, screen.cur.row - top_row);
814
805 if ((nlines > 0) 815 if (minlines > 0
806 && (screen.tscroll == 0) 816 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 817 && screen.bscroll == nrow - 1)
818 {
808 /* _at least_ this many lines need to be scrolled */ 819 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 821 screen.cur.row -= minlines;
811 } 822 }
812 } 823 }
813#ifdef DEBUG_STRICT 824
814 assert(screen.cur.col < last_col); 825 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 826 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 827 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 828 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;
823 829
824 checksel = (selection.op 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 831
828 stp = screen.text[row]; 832 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 833
831 for (i = 0; i < len;) { 834 while (str < strend)
832 c = str[i++]; 835 {
833 switch (c) { 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 837
835 scr_tab (1); 838 if (ecb_unlikely (c < 0x20))
839 if (c == C0_LF)
840 {
841 max_it (line->l, screen.cur.col);
842
843 screen.flags &= ~Screen_WrapNext;
844
845 if (screen.cur.row == screen.bscroll)
846 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
847 else if (screen.cur.row < (nrow - 1))
848 row = ++screen.cur.row;
849
850 line = &ROW(row); /* _must_ refresh */
836 continue; 851 continue;
837 case '\n': 852 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 853 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 854 {
840 screen.flags &= ~Screen_WrapNext; 855 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 856
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; 857 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 858 screen.cur.col = 0;
853 continue; 859 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 860 }
861 else if (c == C0_HT)
862 {
863 scr_tab (1, true);
864 continue;
865 }
859 866
867 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
871 ))
872 {
863 checksel = 0; 873 checksel = 0;
864 clearsel = 1; 874 /*
875 * If we wrote anywhere in the selected area, kill the selection
876 * XXX: should we kill the mark too? Possibly, but maybe that
877 * should be a similar check.
878 */
879 CLEAR_SELECTION ();
880 }
881
882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 883 {
866 if (screen.flags & Screen_WrapNext) { 884 scr_do_wrap ();
867 screen.tlen[row] = -1; 885
868 if (screen.cur.row == screen.bscroll) 886 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 887 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 888
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; 889 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 890 line = &ROW(row); /* _must_ refresh */
891 }
892
893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
895 c = 0xfffd;
896
897 // rely on wcwidth to tell us the character width, do wcwidth before
898 // further replacements, as wcwidth might return -1 for the line
899 // drawing characters below as they might be invalid in the current
900 // locale.
901 int width = WCWIDTH (c);
902
903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 904 {
877 if (screen.flags & Screen_Insert) 905 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 906 // 5f-7e standard vt100
907 // 40-5e rxvt extension for extra curses acs chars
908 static uint16_t vt100_0[62] = { // 41 .. 7e
909 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
910 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
911 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
912 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
913 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
914 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
915 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
916 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
917 };
879 918
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 919 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 920 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 921 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 922 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 } 923 }
924 }
895 925
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 926 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 927 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 928
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 929 if (width != 0)
930 {
931#if !UNICODE_3
932 // trim characters we can't store directly :(
933 if (c >= 0x10000)
934# if ENABLE_COMBINING
935 c = rxvt_composite.compose (c); // map to lower 16 bits
936# else
937 c = 0xfffd;
938# endif
939#endif
940
941 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
942
943 // if the character doesn't fit into the remaining columns...
944 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
945 {
946 if (screen.flags & Screen_Autowrap)
947 {
948 // ... artificially enlargen the previous one
949 c = NOCHAR;
950 // and try the same character next loop iteration
951 --str;
952 }
953 else
954 screen.cur.col = ncol - width;
955 }
956
957 // nuke the character at this position, if required
958 // due to wonderful coincidences everywhere else in this loop
959 // we never have to check for overwriting a wide char itself,
960 // only its tail.
961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
962 scr_kill_char (*line, screen.cur.col);
963
964 line->touch ();
965
902 do 966 do
903 { 967 {
904 stp[screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
906 970
907 if (screen.cur.col < last_col - 1) 971 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 972 screen.cur.col++;
909 else 973 else
910 { 974 {
911 screen.tlen[row] = last_col; 975 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
914 break; 978
979 goto end_of_line;
915 } 980 }
916 981
917 c = NOCHAR; 982 c = NOCHAR;
918 } 983 }
919 while (--width > 0); 984 while (ecb_unlikely (--width > 0));
985
986 // pad with spaces when overwriting wide character with smaller one
987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
988 {
989 line->t[c] = ' ';
990 line->r[c] = rend;
991 }
992
993end_of_line:
994 ;
995 }
996#if ENABLE_COMBINING
997 else // width == 0
998 {
999 if (c != 0xfeff) // ignore BOM
1000 {
1001 // handle combining characters
1002 // we just tag the accent on the previous on-screen character.
1003 // this is arguably not correct, but also arguably not wrong.
1004 // we don't handle double-width characters nicely yet.
1005 line_t *linep;
1006 text_t *tp;
1007 rend_t *rp;
1008
1009 if (screen.cur.col > 0)
1010 {
1011 linep = line;
1012 tp = line->t + screen.cur.col - 1;
1013 rp = line->r + screen.cur.col - 1;
1014 }
1015 else if (screen.cur.row > 0
1016 && ROW(screen.cur.row - 1).is_longer ())
1017 {
1018 linep = &ROW(screen.cur.row - 1);
1019 tp = linep->t + ncol - 1;
1020 rp = linep->r + ncol - 1;
1021 }
920 else 1022 else
921 (void)0; /* handle combining character etc. here. */ 1023 continue;
922 }
923 1024
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1025 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1026
927/* 1027 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1028 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 1029
935#ifdef DEBUG_STRICT 1030 // first try to find a precomposed character
1031 unicode_t n = rxvt_compose (*tp, c);
1032 if (n == NOCHAR)
1033 n = rxvt_composite.compose (*tp, c);
1034
1035 *tp = n;
1036 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1037 }
1038 }
1039#endif
1040 }
1041
1042 max_it (line->l, screen.cur.col);
1043
936 assert(screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1045}
941 1046
942/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
943/* 1048/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1049 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
946 */ 1051 */
947void 1052void
948rxvt_term::scr_backspace () 1053rxvt_term::scr_backspace () noexcept
949{ 1054{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1055 if (screen.cur.col == 0)
1056 {
952 if (screen.cur.row > 0) { 1057 if (screen.cur.row > 0)
1058 {
953#ifdef TERMCAP_HAS_BW 1059#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1060 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1061 --screen.cur.row;
956 return; 1062
1063 want_refresh = 1;
957#endif 1064#endif
958 } 1065 }
1066 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1067 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1068 screen.flags &= ~Screen_WrapNext;
1069 else
1070 scr_gotorc (0, -1, RELATIVE);
962} 1071}
963 1072
964/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
965/* 1074/*
966 * Process Horizontal Tab 1075 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
969 */ 1078 */
970void 1079void
971rxvt_term::scr_tab (int count) 1080rxvt_term::scr_tab (int count, bool ht) noexcept
972{ 1081{
973 int i, x; 1082 int i, x;
974 1083
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1084 want_refresh = 1;
977 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
1086
978 if (count == 0) 1087 if (count == 0)
979 return; 1088 return;
980 else if (count > 0) { 1089 else if (count > 0)
1090 {
1091 line_t &l = ROW(screen.cur.row);
1092 rend_t base_rend = l.r[i];
1093 ht &= l.t[i] == ' ';
1094
981 for (; ++i < TermWin.ncol; ) 1095 for (; ++i < ncol; )
982 if (tabs[i]) { 1096 if (tabs[i])
1097 {
983 x = i; 1098 x = i;
1099
984 if (!--count) 1100 if (!--count)
985 break; 1101 break;
1102 }
1103 else
1104 ht &= l.t[i] == ' '
1105 && RS_SAME (l.r[i], base_rend);
1106
1107 if (count)
1108 x = ncol - 1;
1109
1110 // store horizontal tab commands as characters inside the text
1111 // buffer so they can be selected and pasted.
1112 if (ht && option (Opt_pastableTabs))
1113 {
1114 base_rend = SET_FONT (base_rend, 0);
1115
1116 l.touch (x);
1117
1118 i = screen.cur.col;
1119
1120 l.t[i] = '\t';
1121 l.r[i] = base_rend;
1122
1123 while (++i < x)
1124 {
1125 l.t[i] = NOCHAR;
1126 l.r[i] = base_rend;
986 } 1127 }
987 if (count) 1128 }
988 x = TermWin.ncol - 1; 1129 }
989 } else /* if (count < 0) */ { 1130 else /* if (count < 0) */
1131 {
990 for (; --i >= 0; ) 1132 for (; --i >= 0; )
991 if (tabs[i]) { 1133 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1134 {
996 if (count)
997 x = 0; 1135 x = i;
1136 if (!++count)
1137 break;
1138 }
1139
1140 if (count)
1141 x = 0;
998 } 1142 }
1143
999 if (x != screen.cur.col) 1144 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1145 scr_gotorc (0, x, R_RELATIVE);
1001} 1146}
1002 1147
1003/* ------------------------------------------------------------------------- */ 1148/* ------------------------------------------------------------------------- */
1004/* 1149/*
1005 * Process DEC Back Index 1150 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1152 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1009 */ 1154 */
1010#ifndef NO_FRILLS 1155#if !ENABLE_MINIMAL
1011void 1156void ecb_cold
1012rxvt_term::scr_backindex () 1157rxvt_term::scr_backindex () noexcept
1013{ 1158{
1014 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1161 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1020 }
1021} 1163}
1022#endif 1164#endif
1023/* ------------------------------------------------------------------------- */ 1165/* ------------------------------------------------------------------------- */
1024/* 1166/*
1025 * Process DEC Forward Index 1167 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1169 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1029 */ 1171 */
1030#ifndef NO_FRILLS 1172#if !ENABLE_MINIMAL
1031void 1173void ecb_cold
1032rxvt_term::scr_forwardindex () 1174rxvt_term::scr_forwardindex () noexcept
1033{ 1175{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1178 else
1039 row = screen.cur.row + TermWin.saveLines; 1179 {
1040 if (screen.tlen[row] == 0) 1180 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1181
1042 else if (screen.tlen[row] == -1) 1182 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1183 l.is_longer (0);
1184
1044 scr_gotorc (0, 0, R_RELATIVE); 1185 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1186 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1187 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1188 }
1048} 1189}
1049#endif 1190#endif
1050 1191
1051/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1052/* 1193/*
1053 * Goto Row/Column 1194 * Goto Row/Column
1054 */ 1195 */
1055void 1196void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1057{ 1198{
1058 want_refresh = 1; 1199 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1200 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1201
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) 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1203 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 1204
1072 screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1206
1073 if (relative & R_RELATIVE) { 1207 if (relative & R_RELATIVE)
1208 {
1074 if (row > 0) { 1209 if (row > 0)
1210 {
1075 if (screen.cur.row <= screen.bscroll 1211 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1212 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1213 screen.cur.row = screen.bscroll;
1078 else 1214 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; 1215 screen.cur.row += row;
1216 }
1217 else if (row < 0)
1218 {
1219 if (screen.cur.row >= screen.tscroll
1220 && (screen.cur.row + row) < screen.tscroll)
1221 screen.cur.row = screen.tscroll;
1222 else
1223 screen.cur.row += row;
1224 }
1225 }
1226 else
1093 } 1227 {
1094 MAX_IT(screen.cur.row, 0); 1228 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1229 {
1096} 1230 /* relative origin mode */
1231 screen.cur.row = row + screen.tscroll;
1232 min_it (screen.cur.row, screen.bscroll);
1233 }
1234 else
1235 screen.cur.row = row;
1236 }
1097 1237
1238 clamp_it (screen.cur.row, 0, nrow - 1);
1239}
1240
1098/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1099/* 1242/*
1100 * direction should be UP or DN 1243 * direction should be UP or DN
1101 */ 1244 */
1102void 1245void
1103rxvt_term::scr_index (enum page_dirn direction) 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1104{ 1247{
1105 int dirn;
1106
1107 want_refresh = 1; 1248 want_refresh = 1;
1108 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110
1111 ZERO_SCROLLBACK(); 1249 ZERO_SCROLLBACK ();
1112 1250
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1252
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1122 else 1256 else
1123 screen.cur.row += dirn; 1257 screen.cur.row += direction;
1124 MAX_IT(screen.cur.row, 0); 1258
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1260 selection_check (0);
1127} 1261}
1128 1262
1129/* ------------------------------------------------------------------------- */ 1263/* ------------------------------------------------------------------------- */
1130/* 1264/*
1131 * Erase part or whole of a line 1265 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1266 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1269 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1270 */
1136void 1271void
1137rxvt_term::scr_erase_line (int mode) 1272rxvt_term::scr_erase_line (int mode) noexcept
1138{ 1273{
1139 unsigned int row, col, num; 1274 unsigned int col, num;
1140 1275
1141 want_refresh = 1; 1276 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
1144 1278
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1279 selection_check (1);
1151 1280
1152 screen.flags &= ~Screen_WrapNext; 1281 line_t &line = ROW(screen.cur.row);
1153 1282
1154 row = TermWin.saveLines + screen.cur.row; 1283 line.touch ();
1284 line.is_longer (0);
1285
1155 switch (mode) 1286 switch (mode)
1156 { 1287 {
1288 case 3:
1289 if (screen.flags & Screen_WrapNext)
1290 return;
1291
1292 /* fall through */
1293
1157 case 0: /* erase to end of line */ 1294 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1295 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1296 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1297 min_it (line.l, col);
1298
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1299 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1300 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1301 CLEAR_SELECTION ();
1164 break; 1302 break;
1303
1165 case 1: /* erase to beginning of line */ 1304 case 1: /* erase to beginning of line */
1166 col = 0; 1305 col = 0;
1167 num = screen.cur.col + 1; 1306 num = screen.cur.col + 1;
1307
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1308 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1309 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1310 CLEAR_SELECTION ();
1171 break; 1311 break;
1312
1172 case 2: /* erase whole line */ 1313 case 2: /* erase whole line */
1173 col = 0; 1314 col = 0;
1174 num = TermWin.ncol; 1315 num = ncol;
1175 screen.tlen[row] = 0; 1316 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1317 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1318 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1319 CLEAR_SELECTION ();
1179 break; 1320 break;
1180 default: 1321 default:
1181 return; 1322 return;
1182 } 1323 }
1183 1324
1184 if (screen.text[row]) 1325 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} 1326}
1190 1327
1191/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1192/* 1329/*
1193 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1334 */
1198void 1335void
1199rxvt_term::scr_erase_screen (int mode) 1336rxvt_term::scr_erase_screen (int mode) noexcept
1200{ 1337{
1201 int num; 1338 int num;
1202 int32_t row, row_offset; 1339 int32_t row;
1203 rend_t ren; 1340 rend_t ren;
1204 XGCValues gcvalue; 1341 XGCValues gcvalue;
1205 1342
1206 want_refresh = 1; 1343 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1344 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1345
1211 switch (mode) { 1346 switch (mode)
1347 {
1212 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1349 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1351 num = nrow - row;
1217 break; 1352 break;
1218 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1354 scr_erase_line (1);
1221 row = 0; 1355 row = 0;
1222 num = screen.cur.row; 1356 num = screen.cur.row;
1223 break; 1357 break;
1224 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1359 row = 0;
1230 num = TermWin.nrow; 1360 num = nrow;
1231 break; 1361 break;
1232 default: 1362 default:
1233 return; 1363 return;
1234 } 1364 }
1235 refresh_type |= REFRESH_BOUNDS; 1365
1236 if (selection.op && current_screen == selection.screen 1366 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1367 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1368 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1369 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1370 CLEAR_SELECTION ();
1371
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1242 return; 1373 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1374
1375 min_it (num, nrow - row);
1376
1244 if (rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1380 {
1247 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1382
1249 } else { 1383 if (mapped)
1384 XClearArea (dpy, vt, 0,
1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num), False);
1387 }
1388 else
1389 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1391
1392 if (mapped)
1393 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1396 XFillRectangle (dpy, vt, gc,
1397 0, Row2Pixel (row - view_start),
1398 (unsigned int)vt_width,
1399 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1256 } 1403 }
1404
1257 for (; num--; row++) { 1405 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 } 1406 {
1407 scr_blank_screen_mem (ROW(row), rstyle);
1408
1409 if (row - view_start < nrow)
1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1411 }
1264} 1412}
1413
1414#if !ENABLE_MINIMAL
1415void
1416rxvt_term::scr_erase_savelines () noexcept
1417{
1418 want_refresh = 1;
1419 ZERO_SCROLLBACK ();
1420
1421 top_row = 0;
1422}
1423#endif
1265 1424
1266/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1267/* 1426/*
1268 * Fill the screen with `E's 1427 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1429 */
1271void 1430void ecb_cold
1272rxvt_term::scr_E () 1431rxvt_term::scr_E () noexcept
1273{ 1432{
1274 int i, j, k; 1433 rend_t fs;
1275 rend_t *r1, fs;
1276 1434
1277 want_refresh = 1; 1435 want_refresh = 1;
1436 ZERO_SCROLLBACK ();
1437
1278 num_scr_allow = 0; 1438 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1439
1440 row_col_t pos;
1441 pos.row = pos.col = 0;
1442 if (ROWCOL_IS_AFTER (selection.end, pos))
1443 CLEAR_SELECTION ();
1444
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1446 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1447 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1448 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1449
1450 fill_text (line.t, 'E', ncol);
1451 rend_t *r1 = line.r;
1452
1453 for (int j = ncol; j--; )
1287 *r1++ = fs; 1454 *r1++ = fs;
1455
1456 line.is_longer (0);
1457 line.touch (ncol);
1288 } 1458 }
1289} 1459}
1290 1460
1291/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1292/* 1462/*
1293 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1294 */ 1464 */
1295void 1465void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1297{ 1467{
1298 int end; 1468 int end;
1299 1469
1300 ZERO_SCROLLBACK(); 1470 ZERO_SCROLLBACK ();
1301 1471
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1472 selection_check (1);
1308 1473
1309 if (screen.cur.row > screen.bscroll) 1474 if (screen.cur.row > screen.bscroll)
1475 return;
1476
1477 end = screen.bscroll - screen.cur.row + 1;
1478 if (count > end)
1479 {
1480 if (insdel == DELETE)
1310 return; 1481 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) 1482 else if (insdel == INSERT)
1317 count = end; 1483 count = end;
1318 } 1484 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1485
1486 scr_do_wrap ();
1487
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1488 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1489}
1323 1490
1324/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1325/* 1492/*
1326 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1327 */ 1494 */
1328void 1495void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1330{ 1497{
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; 1498 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1499 ZERO_SCROLLBACK ();
1339 1500
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1501 if (count <= 0)
1346 return; 1502 return;
1347 1503
1504 scr_do_wrap ();
1505
1348 selection_check (1); 1506 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1507 min_it (count, ncol - screen.cur.col);
1350 1508
1351 row = screen.cur.row + TermWin.saveLines; 1509 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1510
1354 stp = screen.text[row]; 1511 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1512
1356 slp = &(screen.tlen[row]); 1513 line->touch ();
1514 line->is_longer (0);
1515
1516 // nuke wide spanning the start
1517 if (line->t[screen.cur.col] == NOCHAR)
1518 scr_kill_char (*line, screen.cur.col);
1519
1357 switch (insdel) { 1520 switch (insdel)
1521 {
1358 case INSERT: 1522 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1523 line->l = min (line->l + count, ncol);
1360 col--) { 1524
1525 if (line->t[screen.cur.col] == NOCHAR)
1526 scr_kill_char (*line, screen.cur.col);
1527
1528 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1529 {
1361 stp[col] = stp[col - count]; 1530 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1531 line->r[col] = line->r[col - count];
1363 } 1532 }
1364 if (*slp != -1) { 1533
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1534 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1535 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1536 {
1370 if (selection.end.row != screen.cur.row 1537 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1538 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1539 CLEAR_SELECTION ();
1540 else
1541 {
1373 else { /* shift selection */ 1542 /* shift selection */
1374 selection.beg.col += count; 1543 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1544 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1545 selection.end.col += count;
1377 } 1546 }
1378 } 1547 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1548
1380 (unsigned int)count, rstyle); 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1550 break;
1551
1382 case ERASE: 1552 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1553 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1554 selection_check (1);
1385 screen.cur.col -= count; 1555 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1556
1387 (unsigned int)count, rstyle); 1557 // nuke wide char after the end
1558 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1559 scr_kill_char (*line, screen.cur.col + count);
1560
1561 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1562 break;
1563
1389 case DELETE: 1564 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1565 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1566
1567 // nuke wide char spanning the end
1568 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1569 scr_kill_char (*line, screen.cur.col + count);
1570
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1571 for (int col = screen.cur.col; (col + count) < ncol; col++)
1572 {
1393 stp[col] = stp[col + count]; 1573 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1574 line->r[col] = line->r[col + count];
1395 } 1575 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1576
1397 &(srp[TermWin.ncol - count]), 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1578
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 1579 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1581 {
1405 if (selection.end.row != screen.cur.row 1582 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1583 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1584 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1585 CLEAR_SELECTION ();
1409 else { 1586 else
1587 {
1410 /* shift selection */ 1588 /* shift selection */
1411 selection.beg.col -= count; 1589 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1590 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1591 selection.end.col -= count;
1414 } 1592 }
1415 } 1593 }
1594
1416 break; 1595 break;
1417 } 1596 }
1418} 1597}
1419 1598
1420/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1421/* 1600/*
1422 * Set the scrolling region 1601 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1603 */
1425void 1604void ecb_cold
1426rxvt_term::scr_scroll_region (int top, int bot) 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1427{ 1606{
1428 MAX_IT(top, 0); 1607 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1608 min_it (bot, nrow - 1);
1609
1430 if (top > bot) 1610 if (top > bot)
1431 return; 1611 return;
1612
1432 screen.tscroll = top; 1613 screen.tscroll = top;
1433 screen.bscroll = bot; 1614 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1615 scr_gotorc (0, 0, 0);
1435} 1616}
1436 1617
1437/* ------------------------------------------------------------------------- */ 1618/* ------------------------------------------------------------------------- */
1438/* 1619/*
1439 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1623 */
1443void 1624void ecb_cold
1444rxvt_term::scr_cursor_visible (int mode) 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1445{ 1626{
1446 want_refresh = 1; 1627 want_refresh = 1;
1628
1447 if (mode) 1629 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1449 else 1631 else
1450 screen.flags &= ~Screen_VisibleCursor; 1632 screen.flags &= ~Screen_VisibleCursor;
1451} 1633}
1452 1634
1453/* ------------------------------------------------------------------------- */ 1635/* ------------------------------------------------------------------------- */
1454/* 1636/*
1455 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1640 */
1459void 1641void ecb_cold
1460rxvt_term::scr_autowrap (int mode) 1642rxvt_term::scr_autowrap (int mode) noexcept
1461{ 1643{
1462 if (mode) 1644 if (mode)
1463 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1464 else 1646 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1648}
1467 1649
1468/* ------------------------------------------------------------------------- */ 1650/* ------------------------------------------------------------------------- */
1469/* 1651/*
1470 * Set/unset margin origin mode 1652 * Set/unset margin origin mode
… …
1473 * Relative mode: line numbers are relative to top margin of scrolling region 1655 * Relative mode: line numbers are relative to top margin of scrolling region
1474 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1659 */
1478void 1660void ecb_cold
1479rxvt_term::scr_relative_origin (int mode) 1661rxvt_term::scr_relative_origin (int mode) noexcept
1480{ 1662{
1481 if (mode) 1663 if (mode)
1482 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1483 else 1665 else
1484 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1667
1485 scr_gotorc (0, 0, 0); 1668 scr_gotorc (0, 0, 0);
1486} 1669}
1487 1670
1488/* ------------------------------------------------------------------------- */ 1671/* ------------------------------------------------------------------------- */
1489/* 1672/*
1490 * Set insert/replace mode 1673 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1676 */
1494void 1677void ecb_cold
1495rxvt_term::scr_insert_mode (int mode) 1678rxvt_term::scr_insert_mode (int mode) noexcept
1496{ 1679{
1497 if (mode) 1680 if (mode)
1498 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1499 else 1682 else
1500 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1501} 1684}
1502 1685
1503/* ------------------------------------------------------------------------- */ 1686/* ------------------------------------------------------------------------- */
1504/* 1687/*
1505 * Set/Unset tabs 1688 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1692 */
1510void 1693void ecb_cold
1511rxvt_term::scr_set_tab (int mode) 1694rxvt_term::scr_set_tab (int mode) noexcept
1512{ 1695{
1513 if (mode < 0) 1696 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1697 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1698 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1699 tabs [screen.cur.col] = !!mode;
1517} 1700}
1518 1701
1519/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1520/* 1703/*
1521 * Set reverse/normal video 1704 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1707 */
1525void 1708void
1526rxvt_term::scr_rvideo_mode (int mode) 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1527{ 1710{
1711 rvideo_mode = on;
1712
1713#ifndef NO_BELL
1714 on ^= rvideo_bell;
1715#endif
1716
1717 if (rvideo_state != on)
1718 {
1719 rvideo_state = on;
1720
1721#if OFF_FOCUS_FADING
1722 if (rs[Rs_fade])
1723 {
1724 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1725 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1726 }
1727 else
1728#endif
1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1730#ifdef HAVE_IMG
1731 if (bg_img == 0)
1732#endif
1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1734
1528 XGCValues gcvalue; 1735 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]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1737 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1738 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1739
1546 scr_clear (); 1740 scr_clear ();
1547 scr_touch (true); 1741 scr_touch (true);
1548 } 1742 }
1549} 1743}
1550 1744
1551/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1552/* 1746/*
1553 * Report current cursor position 1747 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1749 */
1556void 1750void ecb_cold
1557rxvt_term::scr_report_position () 1751rxvt_term::scr_report_position () noexcept
1558{ 1752{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1753 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1754}
1561 1755
1562/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1563 * FONTS * 1757 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1565 1759
1566/* 1760/*
1567 * Set font style 1761 * Set font style
1568 */ 1762 */
1569void 1763void ecb_cold
1570rxvt_term::set_font_style () 1764rxvt_term::set_font_style () noexcept
1571{ 1765{
1766#if 0
1572 switch (charsets[screen.charset]) { 1767 switch (charsets [screen.charset])
1768 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1770 break;
1575 case 'A': /* United Kingdom (UK) */ 1771 case 'A': /* United Kingdom (UK) */
1576 break; 1772 break;
1577 case 'B': /* United States (USASCII) */ 1773 case 'B': /* United States (USASCII) */
1578 break; 1774 break;
1579 case '<': /* Multinational character set */ 1775 case '<': /* Multinational character set */
1580 break; 1776 break;
1581 case '5': /* Finnish character set */ 1777 case '5': /* Finnish character set */
1582 break; 1778 break;
1583 case 'C': /* Finnish character set */ 1779 case 'C': /* Finnish character set */
1584 break; 1780 break;
1585 case 'K': /* German character set */ 1781 case 'K': /* German character set */
1586 break; 1782 break;
1587 } 1783 }
1784#endif
1588} 1785}
1589 1786
1590/* ------------------------------------------------------------------------- */ 1787/* ------------------------------------------------------------------------- */
1591/* 1788/*
1592 * Choose a font 1789 * Choose a font
1593 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1794 */
1598void 1795void ecb_cold
1599rxvt_term::scr_charset_choose (int set) 1796rxvt_term::scr_charset_choose (int set) noexcept
1600{ 1797{
1601 screen.charset = set; 1798 screen.charset = set;
1602 set_font_style (); 1799 set_font_style ();
1603} 1800}
1604 1801
1605/* ------------------------------------------------------------------------- */ 1802/* ------------------------------------------------------------------------- */
1606/* 1803/*
1607 * Set a font 1804 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1613 */ 1810 */
1614void 1811void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1616{ 1813{
1617 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1815 set_font_style ();
1619} 1816}
1620 1817
1621 1818
1622/* ------------------------------------------------------------------------- * 1819/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1820 * MAJOR SCREEN MANIPULATION *
1624 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1625 1822
1626/* 1823/*
1627 * refresh matching text. 1824 * refresh matching text.
1628 */ 1825 */
1629bool 1826bool ecb_cold
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1631{ 1828{
1632 bool found = false; 1829 bool found = false;
1633 1830
1634 for (int i = 0; i < TermWin.nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1635 { 1832 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1833 rend_t *drp = drawn_buf[i].r;
1638 1834
1639 for (; col < TermWin.ncol; col++, drp++) 1835 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1836 if ((*drp & mask) == value)
1641 { 1837 {
1642 found = true; 1838 found = true;
1643 *drp = ~value; 1839 *drp = ~value;
1644 } 1840 }
… …
1649 1845
1650/* 1846/*
1651 * Refresh an area 1847 * Refresh an area
1652 */ 1848 */
1653enum { 1849enum {
1654 PART_BEG = 0, 1850 PART_BEG = 0,
1655 PART_END, 1851 PART_END,
1656 RC_COUNT 1852 RC_COUNT
1657}; 1853};
1658 1854
1659void 1855void ecb_hot
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1856rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1661{ 1857{
1662 int i; 1858 int i;
1663 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1664 1860
1665 if (drawn_text == NULL) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1666 return; 1862 return;
1667 1863
1668#ifdef DEBUG_STRICT 1864#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1865 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1866 {
1671 y = max(y, (int)TermWin.int_bwidth); 1867 y = 0;
1672 y = min(y, (int)TermWin.height); 1868 eheight = height;
1869 }
1673#endif 1870#endif
1674 1871
1675/* round down */ 1872 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1873 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1874 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1875 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1876 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1877 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1878
1682/* sanity checks */ 1879 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1881 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1882 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1883 min_it (rc[i].row, nrow - 1);
1687 } 1884 }
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 1885
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1886 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1887 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)); 1888
1889 num_scr_allow = 0;
1694 1890
1695 if (refresh) 1891 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1892 scr_refresh ();
1697} 1893}
1698 1894
1699/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1700/* 1896/*
1701 * Refresh the entire screen 1897 * Refresh the entire screen
1702 */ 1898 */
1703void 1899void
1704rxvt_term::scr_touch (bool refresh) 1900rxvt_term::scr_touch (bool refresh) noexcept
1705{ 1901{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1707} 1903}
1708 1904
1709/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1710/* 1906/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1907 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1908 * the top of the screen
1713 */ 1909 */
1714int 1910void
1715rxvt_term::scr_move_to (int y, int len) 1911rxvt_term::scr_move_to (int y, int len) noexcept
1716{ 1912{
1717 long p = 0; 1913 // lerp (y, 0, len, top_row, nrow - 1)
1718 uint16_t oldviewstart; 1914 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} 1915}
1731 1916
1732/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1733/* 1918/*
1734 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1735 * direction should be UP or DN 1920 * direction should be UP or DN
1736 */ 1921 */
1737int 1922bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1923rxvt_term::scr_page (int nlines) noexcept
1739{ 1924{
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); 1925 return scr_changeview (view_start - nlines);
1756} 1926}
1757 1927
1758int 1928bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1760{ 1930{
1761 if (TermWin.view_start != oldviewstart) { 1931 clamp_it (new_view_start, top_row, 0);
1932
1933 if (new_view_start == view_start)
1934 return false;
1935
1936 num_scr += new_view_start - view_start;
1937 view_start = new_view_start;
1762 want_refresh = 1; 1938 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 1939
1772/* ------------------------------------------------------------------------- */ 1940 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1941
1774rxvt_term::scr_bell () 1942 return true;
1775{ 1943}
1944
1776#ifndef NO_BELL 1945#ifndef NO_BELL
1946void
1947rxvt_term::bell_cb (ev::timer &w, int revents)
1948{
1949 rvideo_bell = false;
1950 scr_rvideo_mode (rvideo_mode);
1951 refresh_check ();
1952}
1953#endif
1954
1955/* ------------------------------------------------------------------------- */
1956void
1957rxvt_term::scr_bell () noexcept
1958{
1959#ifndef NO_BELL
1960
1777# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1963 if (option (Opt_mapAlert))
1780# endif 1964# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1965 XMapWindow (dpy, parent);
1782# endif 1966# endif
1783 if (Options & Opt_visualBell) { 1967
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1968# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1969 if (option (Opt_urgentOnBell))
1786 } else 1970 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1971# endif
1789}
1790 1972
1973 if (option (Opt_visualBell))
1974 {
1975 rvideo_bell = true;
1976 scr_rvideo_mode (rvideo_mode);
1977 flush ();
1978
1979 bell_ev.start (VISUAL_BELL_DURATION);
1980 }
1981 else
1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1984#endif
1985}
1986
1791/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1988void ecb_cold
1793void
1794rxvt_term::scr_printscreen (int fullhist) 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1795{ 1990{
1796#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1992 int nrows, row_start;
1798 text_t *t; 1993 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1994
1801 if ((fd = popen_printer ()) == NULL) 1995 if (!fd)
1802 return; 1996 return;
1803 nrows = TermWin.nrow; 1997
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1998 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1999 {
1811 2000 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 2001 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 2002 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 2003 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 2004 {
2005 nrows = nrow;
2006 row_start = view_start;
2007 }
2008
2009 wctomb (0, 0);
2010
2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2012 {
2013 text_t *tp = ROW(r1).t;
2014 int len = ROW(r1).l;
2015
2016 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2017 {
2018 char mb[MB_LEN_MAX];
2019 text_t t = *tp++;
2020 if (t == NOCHAR)
2021 continue;
2022
2023 len = wctomb (mb, t);
2024
2025 if (len <= 0)
2026 {
2027 mb[0] = ' ';
2028 len = 1;
2029 }
2030
2031 fwrite (mb, 1, len, fd);
2032 }
2033
2034 fputc ('\n', fd);
2035 }
2036
1819 pclose_printer (fd); 2037 pclose_printer (fd);
1820#endif 2038#endif
1821} 2039}
1822 2040
1823/* ------------------------------------------------------------------------- */ 2041/* ------------------------------------------------------------------------- */
1824/* 2042/*
1825 * Refresh the screen 2043 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2046 */
1829 2047void ecb_hot
1830#define FONT_WIDTH(X, Y) \ 2048rxvt_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{ 2049{
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 */ 2050 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2052 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */ 2053 rend_t ccol1, /* Cursor colour */
2054 ccol2; /* Cursor colour2 */
2055 rend_t cur_rend;
2056 int cur_col;
2057 int cursorwidth;
2058
2059 want_refresh = 0; /* screen is current */
2060
2061 if (refresh_type == NO_REFRESH || !mapped)
2062 return;
2063
2064 /*
2065 * A: set up vars
2066 */
2067 refresh_count = 0;
2068
2069 unsigned int old_screen_flags = screen.flags;
2070 bool have_bg = 0;
2071#ifdef HAVE_IMG
2072 have_bg = bg_img != 0;
2073#endif
2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2075
2076 /*
2077 * B: reverse any characters which are selected
2078 */
2079 scr_reverse_selection ();
2080
2081 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2082#if ENABLE_OVERLAY
2083 scr_swap_overlay ();
2084#endif
2085
2086 bool showcursor = screen.flags & Screen_VisibleCursor;
2087
2088 /*
2089 * C: set the cursor character (s)
2090 */
2091 {
2092#ifdef CURSOR_BLINK
2093 if (hidden_cursor)
2094 showcursor = 0;
2095#endif
2096
2097 if (showcursor)
2098 {
2099 int col = screen.cur.col;
2100
2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2102 col--;
2103
2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2108
2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2111
1852#ifndef NO_CURSORCOLOR 2112#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2113 if (ISSET_PIXCOLOR (Color_cursor))
1854#endif 2114 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#if defined(XPM_BACKGROUND)
1877 must_clear |= (bgPixmap.pixmap != None);
1878#endif
1879#if defined(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 { 2115 else
1908 cursorwidth++; 2116#endif
2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2118 ccol1 = fgcolor_of (rstyle);
2119#else
2120 ccol1 = Color_fg;
2121#endif
1909 2122
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 2123#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2124 if (ISSET_PIXCOLOR (Color_cursor2))
1919 ccol1 = Color_cursor; 2125 ccol2 = Color_cursor2;
1920 else 2126 else
2127#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2128#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2129 ccol2 = bgcolor_of (rstyle);
1923#else 2130#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; 2131 ccol2 = Color_bg;
1933#endif 2132#endif
1934 *srp = SET_FGCOLOR(*srp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2);
1936#endif
1937 }
1938 }
1939 2133
1940 /* make sure no outline cursor is left around */ 2134 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 } 2135 {
1954 } else if (!TermWin.focus) 2136 rend_t rend = cur_rend;
1955 setoldcursor = 1; 2137
1956 if (setoldcursor) { 2138 rend ^= RS_RVid;
1957 if (screen.cur.row + TermWin.view_start >= TermWin.nrow) 2139 rend = SET_FGCOLOR (rend, ccol1);
1958 oldcursor.row = -1; 2140 rend = SET_BGCOLOR (rend, ccol2);
1959 else { 2141
1960 oldcursor.row = screen.cur.row + TermWin.view_start; 2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1961 oldcursor.col = screen.cur.col;
1962 } 2143 }
1963 } 2144 }
2145
2146 /* make sure no outline cursor is left around */
2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2149
2150 // save the current cursor coordinates if the cursor is visible
2151 // and either the window is unfocused or the cursor style is
2152 // underline or vertical bar, so as to clear the outline cursor in
2153 // the next refresh if the cursor moves or becomes invisible
2154 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2155 {
2156 oldcursor.row = screen.cur.row - view_start;
2157 oldcursor.col = screen.cur.col;
1964 } 2158 }
2159 else
2160 oldcursor.row = -1;
2161 }
1965 2162
1966#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2164 /*
1968 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
1970 */ 2167 */
1971 i = num_scr; 2168 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
1974 { 2171 {
1975 int16_t nits; 2172 int16_t nits;
1976 int j; 2173 int i = num_scr;
1977 rend_t *drp2; 2174 int j;
1978 text_t *dtp2; 2175 int len, wlen;
1979 int len, wlen;
1980 2176
1981 j = TermWin.nrow; 2177 j = nrow;
1982 wlen = len = -1; 2178 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2182 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2184 {
1988 stp = screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2186 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2188
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2191 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2192 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2193 nits++;
2000 2194
2001 if (nits > 8) /* XXX: arbitrary choice */ 2195 if (nits > 8) /* XXX: arbitrary choice */
2196 {
2197 for (col = ncol; col--; )
2198 {
2199 *d.t++ = *d2.t++;
2200 *d.r++ = *d2.r++;
2201 }
2202
2203 if (len == -1)
2204 len = row;
2205
2206 wlen = row;
2207 continue;
2208 }
2209 }
2210
2211 if (len >= 0)
2212 {
2213 /* also comes here at end if needed because of >= above */
2214 if (wlen < len)
2215 ::swap (wlen, len);
2216
2217 XGCValues gcv;
2218
2219 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2220 XCopyArea (dpy, vt, vt,
2221 gc, 0, Row2Pixel (len + i),
2222 (unsigned int)this->width,
2223 (unsigned int)Height2Pixel (wlen - len + 1),
2224 0, Row2Pixel (len));
2225 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2226
2227 len = -1;
2228 }
2229 }
2230 }
2231#endif
2232
2233 /*
2234 * E: main pass across every character
2235 */
2236 for (row = 0; row < nrow; row++)
2237 {
2238 text_t *stp = ROW(view_start + row).t;
2239 rend_t *srp = ROW(view_start + row).r;
2240 text_t *dtp = drawn_buf[row].t;
2241 rend_t *drp = drawn_buf[row].r;
2242
2243 /*
2244 * E2: OK, now the real pass
2245 */
2246 int ypixel = (int)Row2Pixel (row);
2247
2248 for (col = 0; col < ncol; col++)
2249 {
2250 /* compare new text with old - if exactly the same then continue */
2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2252 continue;
2253
2254 // redraw one or more characters
2255
2256 // seek to the beginning of wide characters
2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2258 --col;
2259
2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2261 text_t *text = stp + col;
2262 int count = 1;
2263
2264 dtp[col] = stp[col];
2265 drp[col] = rend;
2266
2267 int xpixel = Col2Pixel (col);
2268
2269 for (i = 0; ++col < ncol; )
2270 {
2271 if (stp[col] == NOCHAR)
2272 {
2273 dtp[col] = stp[col];
2274 drp[col] = srp[col];
2275
2276 count++;
2277 i++;
2278
2279 continue;
2280 }
2281
2282 if (!RS_SAME (rend, srp[col]))
2283 break;
2284
2285 count++;
2286
2287 if (stp[col] != dtp[col]
2288 || !RS_SAME (srp[col], drp[col]))
2289 {
2290 if (have_bg && (i++ > count / 2))
2291 break;
2292
2293 dtp[col] = stp[col];
2294 drp[col] = rend;
2295 i = 0;
2296 }
2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2298 break;
2299 }
2300
2301 col--; /* went one too far. move back */
2302 count -= i; /* dump any matching trailing chars */
2303
2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2306 count++, i--;
2307
2308 /*
2309 * Determine the attributes for the string
2310 */
2311 int fore = fgcolor_of (rend); // desired foreground
2312 int back = bgcolor_of (rend); // desired background
2313
2314 // only do special processing if any attributes are set, which is unlikely
2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2316 {
2317 bool invert = rend & RS_RVid;
2318
2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2320 if (rend & RS_Bold && fore == Color_fg)
2321 {
2322 if (ISSET_PIXCOLOR (Color_BD))
2323 fore = Color_BD;
2324# if !ENABLE_STYLES
2325 else
2326 invert = !invert;
2327# endif
2328 }
2329
2330 if (rend & RS_Italic && fore == Color_fg)
2331 {
2332 if (ISSET_PIXCOLOR (Color_IT))
2333 fore = Color_IT;
2334# if !ENABLE_STYLES
2335 else
2336 invert = !invert;
2337# endif
2338 }
2339
2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2341 fore = Color_UL;
2342#endif
2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2362#endif
2363
2364 if (invert)
2365 {
2366 ::swap (fore, back);
2367
2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2369 if (fore == back)
2370 {
2371 fore = Color_bg;
2372 back = Color_fg;
2373 }
2374#endif
2375 }
2376
2377#ifdef TEXT_BLINK
2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2379 {
2380 if (!text_blink_ev.is_active ())
2381 {
2382 text_blink_ev.again ();
2383 hidden_text = 0;
2384 }
2385 else if (hidden_text)
2386 fore = back;
2387 }
2388#endif
2389
2390#if ENABLE_STYLES
2391 // "careful" (too wide) character handling
2392
2393 // include previous careful character(s) if possible, looks nicer (best effort...)
2394 while (text > stp
2395 && srp[text - stp - 1] & RS_Careful
2396 && RS_SAME (rend, srp[text - stp - 1]))
2397 text--, count++, xpixel -= fwidth;
2398
2399 // force redraw after "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2401 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2402
2403 // force redraw before "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2405 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2406#endif
2407 }
2408
2409 /*
2410 * Actually do the drawing of the string here
2411 */
2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2413
2414 if (ecb_likely (have_bg && back == Color_bg))
2415 {
2416 // this is very ugly, maybe push it into ->draw?
2417
2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2419 if (text[i] != ' ')
2002 { 2420 {
2003 for (col = TermWin.ncol; col--; ) 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2422 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 } 2423 }
2424
2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2015 } 2427 }
2428 else
2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2430
2017 if (len != -1) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2432 {
2019 /* also comes here at end if needed because of >= above */ 2433 if (showcursor && focus && row == screen.cur.row
2020 if (wlen < len) 2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2021 SWAP_IT(wlen, len, int); 2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2436 else
2437#if ENABLE_FRILLS
2438 if (ISSET_PIXCOLOR (Color_underline))
2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2440 else
2441#endif
2442 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2443
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2444 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2445 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2446 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 } 2447 }
2031 } 2448 } /* for (col....) */
2032 } 2449 } /* for (row....) */
2033#endif
2034 2450
2035 /* 2451 /*
2036 * E: main pass across every character 2452 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2453 */
2038 for (row = 0; row < TermWin.nrow; row++) 2454 if (showcursor)
2039 { 2455 {
2040 stp = screen.text[row + row_offset]; 2456 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 { 2457 {
2052 /* compare new text with old - if exactly the same then continue */ 2458 if (cursor_type == 0)
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2054 2460 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 { 2461 {
2078 if (stp[col] == NOCHAR) 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2463 if (cursor_type == 1)
2464 XFillRectangle (dpy, vt, gc,
2465 Col2Pixel (cur_col),
2466 Row2Pixel (oldcursor.row + 1) - 2,
2467 Width2Pixel (1),
2468 2);
2079 { 2469 else
2080 dtp[col] = stp[col]; 2470 XFillRectangle (dpy, vt, gc,
2081 drp[col] = rend; 2471 Col2Pixel (cur_col),
2082 count++; 2472 Row2Pixel (oldcursor.row),
2083 2473 2,
2084 if (i) // only possible skip if char unchanged 2474 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 } 2475 }
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 } 2476 }
2133#endif 2477 else if (oldcursor.row >= 0)
2134 if (rvid)
2135 { 2478 {
2136 SWAP_IT(fore, back, int); 2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2137 2480
2138#ifndef NO_BOLD_UNDERLINE_REVERSE 2481 XDrawRectangle (dpy, vt, gc,
2139 if (ISSET_PIXCOLOR (Color_RV) 2482 Col2Pixel (cur_col),
2140# ifndef NO_CURSORCOLOR 2483 Row2Pixel (oldcursor.row),
2141 && !ISSET_PIXCOLOR (Color_cursor) 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2485 (unsigned int) (Height2Pixel (1) - 1));
2486 }
2487 }
2488
2489 /*
2490 * H: cleanup selection
2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2497 scr_reverse_selection ();
2498
2499 screen.flags = old_screen_flags;
2500 num_scr = 0;
2501 num_scr_allow = 1;
2502}
2503
2504void ecb_cold
2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2506{
2507 if (!l.valid ())
2508 return;
2509
2510 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2511
2512 for (int i = ncol; i--; )
2513 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2514}
2515
2516void ecb_cold
2517rxvt_term::scr_remap_chars () noexcept
2518{
2519 for (int i = total_rows; i--; )
2520 scr_remap_chars (row_buf [i]);
2521
2522 for (int i = nrow; i--; )
2523 {
2524 scr_remap_chars (drawn_buf [i]);
2525 scr_remap_chars (swap_buf [i]);
2526 }
2527}
2528
2529void ecb_cold
2530rxvt_term::scr_recolor (bool refresh) noexcept
2531{
2532 bool transparent = false;
2533
2534#ifdef HAVE_IMG
2535 if (bg_img != 0)
2536 {
2537# if ENABLE_TRANSPARENCY
2538 if (bg_flags & BG_IS_TRANSPARENT)
2539 {
2540 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2541 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2542
2543 transparent = true;
2544 }
2545 else
2142# endif 2546# 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 for (i = 0; i < count; i++) /* don't draw empty strings */
2172 if (text[i] != ' ')
2173 {
2174 font->draw (xpixel, ypixel, text, count, fore, -1);
2175 goto nodraw;
2176 }
2177
2178 CLEAR_CHARS (xpixel, ypixel, count);
2179nodraw: ;
2180 }
2181 else
2182 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, back);
2186
2187 if ((rend & RS_Uline) && (font->descent > 1))
2188 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2189 xpixel, ypixel + font->ascent + 1,
2190 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2191 } /* for (col....) */
2192 } /* for (row....) */
2193
2194 /*
2195 * G: cleanup cursor and display outline cursor if necessary
2196 */
2197 if (showcursor) {
2198 if (TermWin.focus) {
2199 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2200 [screen.cur.col]);
2201 *srp ^= RS_RVid;
2202#ifndef NO_CURSORCOLOR
2203 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2204#endif
2205 } else if (oldcursor.row >= 0) {
2206#ifndef NO_CURSORCOLOR
2207 if (ISSET_PIXCOLOR (Color_cursor))
2208 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2209#endif
2210 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2211 Col2Pixel(oldcursor.col),
2212 Row2Pixel(oldcursor.row),
2213 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2214 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2215 } 2547 {
2216 } 2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2217 2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2218 /*
2219 * H: cleanup selection
2220 */
2221 scr_reverse_selection ();
2222
2223 /*
2224 * I: other general cleanup
2225 */
2226 if (clearfirst && TermWin.int_bwidth)
2227 /* 2550 }
2228 * clear the whole screen height, note that width == 0 is treated 2551 }
2229 * specially by XClearArea 2552 else
2230 */ 2553#endif
2231 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2554 {
2232 (unsigned int)TermWin.int_bwidth, 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2233 (unsigned int)TermWin_TotalHeight(), False); 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2234 if (clearlast && TermWin.int_bwidth) 2557 }
2235 /*
2236 * clear the whole screen height, note that width == 0 is treated
2237 * specially by XClearArea
2238 */
2239 XClearArea(Xdisplay, TermWin.vt,
2240 TermWin.width + TermWin.int_bwidth, 0,
2241 (unsigned int)TermWin.int_bwidth,
2242 (unsigned int)TermWin_TotalHeight(), False);
2243 if (refresh_type & SMOOTH_REFRESH)
2244 XSync(Xdisplay, False);
2245 2558
2246 num_scr = 0; 2559 XClearWindow (dpy, parent);
2247 num_scr_allow = 1;
2248 want_refresh = 0; /* screen is current */
2249}
2250 2560
2561 if (scrollBar.state && scrollBar.win)
2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2567 scrollBar.state = SB_STATE_IDLE;
2568 scrollBar.show (0);
2569 }
2570
2571 if (refresh)
2572 {
2573 scr_clear ();
2574 scr_touch (true);
2575 }
2576 want_refresh = 1;
2577}
2578
2251/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2252void 2580void
2253rxvt_term::scr_clear() 2581rxvt_term::scr_clear (bool really) noexcept
2254{ 2582{
2255 if (!TermWin.mapped) 2583 if (!mapped)
2256 return; 2584 return;
2257 2585
2258 num_scr_allow = 0; 2586 num_scr_allow = 0;
2259 want_refresh = 1; 2587 want_refresh = 1;
2260#ifdef TRANSPARENT 2588
2261 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2589 if (really)
2590 XClearWindow (dpy, vt);
2591}
2592
2593void
2594rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2595{
2596 int view_end = view_start + nrow;
2597 int row, col;
2598
2599 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2600 {
2601 text_t *stp = ROW(row).t;
2602 rend_t *srp = ROW(row).r;
2603
2604 for (col = beg_col; col < end_col; col++)
2605 srp[col] ^= rstyle1;
2606
2607 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2608 srp[col] ^= rstyle2;
2609
2610 if (++col < end_col)
2611 srp[col] ^= rstyle2;
2262 { 2612 }
2263 int i; 2613}
2264 2614
2265 if (!(Options & Opt_transparent_all)) 2615void
2616rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2617{
2618 int view_end = view_start + nrow;
2619 int row, col;
2620
2621 if (beg_row >= view_start)
2622 {
2623 col = beg_col;
2624 row = beg_row;
2625 }
2626 else
2627 {
2266 i = 0; 2628 col = 0;
2629 row = view_start;
2630 }
2631
2632 for (; row < min (end_row, view_end); row++, col = 0)
2633 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2634 srp[col] ^= rstyle;
2635
2636 if (row == end_row)
2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2638 srp[col] ^= rstyle;
2639}
2640
2641/* ------------------------------------------------------------------------- */
2642void ecb_hot
2643rxvt_term::scr_reverse_selection () noexcept
2644{
2645 if (selection.op
2646 && current_screen == selection.screen
2647 && selection.end.row >= view_start)
2648 {
2649#if !ENABLE_MINIMAL
2650 if (selection.rect)
2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2652 selection.end.row, selection.end.col,
2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2267 else 2654 else
2268 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2269
2270 while (i--)
2271 if (TermWin.parent[i] != None)
2272 XClearWindow(Xdisplay, TermWin.parent[i]);
2273 }
2274#endif 2655#endif
2275 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2276 XClearWindow (Xdisplay, TermWin.vt); 2657 selection.end.row, selection.end.col,
2277} 2658 RS_Sel | RS_RVid);
2278
2279/* ------------------------------------------------------------------------- */
2280void
2281rxvt_term::scr_reverse_selection ()
2282{
2283 int i, col, row, end_row;
2284 rend_t *srp;
2285
2286 if (selection.op && current_screen == selection.screen) {
2287 end_row = TermWin.saveLines - TermWin.view_start;
2288 i = selection.beg.row + TermWin.saveLines;
2289 row = selection.end.row + TermWin.saveLines;
2290 if (i >= end_row)
2291 col = selection.beg.col;
2292 else {
2293 col = 0;
2294 i = end_row;
2295 }
2296 end_row += TermWin.nrow;
2297 for (; i < row && i < end_row; i++, col = 0)
2298 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2299 srp[col] ^= RS_RVid;
2300 if (i == row && i < end_row)
2301 for (srp = screen.rend[i]; col < selection.end.col; col++)
2302 srp[col] ^= RS_RVid;
2303 } 2659 }
2304} 2660}
2305 2661
2306/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2307/* 2663/*
2308 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2309 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2310 */ 2666 */
2311#if 0 2667#if 0
2312void 2668void
2313rxvt_term::scr_dump (int fd) 2669rxvt_term::scr_dump (int fd) noexcept
2314{ 2670{
2315 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2316 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2317 char r1[] = "\n";
2318
2319 for (row = TermWin.saveLines - TermWin.nscrolled;
2320 row < TermWin.saveLines + TermWin.nrow - 1; row++) {
2321 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2322 : TermWin.ncol;
2323 for (towrite = width; towrite; towrite -= wrote) {
2324 wrote = write(fd, &(screen.text[row][width - towrite]),
2325 towrite);
2326 if (wrote < 0)
2327 return; /* XXX: death, no report */
2328 }
2329 if (screen.tlen[row] >= 0)
2330 if (write(fd, r1, 1) <= 0)
2331 return; /* XXX: death, no report */
2332 }
2333} 2673}
2334#endif 2674#endif
2335 2675
2336/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2337 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2338 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2339
2340/*
2341 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2342 */
2343void 2679void
2344rxvt_term::selection_check (int check_more) 2680rxvt_term::selection_check (int check_more) noexcept
2345{ 2681{
2346 row_col_t pos;
2347
2348 if (!selection.op) 2682 if (!selection.op)
2349 return; 2683 return;
2350 2684
2351 pos.row = pos.col = 0; 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2352 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2353 || (selection.beg.row >= TermWin.nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2354 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2355 || (selection.mark.row >= TermWin.nrow)
2356 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2357 || (selection.end.row >= TermWin.nrow)
2358 || (check_more == 1 2688 || (check_more == 1
2359 && current_screen == selection.screen 2689 && current_screen == selection.screen
2360 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2361 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2362 || (check_more == 2
2363 && ROWCOL_IS_BEFORE(selection.beg, pos)
2364 && ROWCOL_IS_AFTER(selection.end, pos))
2365 || (check_more == 3
2366 && ROWCOL_IS_AFTER(selection.end, pos))
2367 || (check_more == 4 /* screen width change */
2368 && (selection.beg.row != selection.end.row
2369 || selection.end.col > TermWin.ncol)))
2370 CLEAR_SELECTION(); 2692 CLEAR_ALL_SELECTION ();
2693}
2694
2695void
2696rxvt_term::selection_changed () noexcept
2697{
2698 line_t &r1 = ROW (selection.beg.row);
2699 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2700 ++selection.beg.col;
2701
2702 line_t &r2 = ROW (selection.end.row);
2703 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2704 ++selection.end.col;
2705
2706 want_refresh = 1;
2371} 2707}
2372 2708
2373/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2374/* 2710/*
2375 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2376 */ 2712 */
2377void 2713void
2378rxvt_term::paste (const unsigned char *data, unsigned int len) 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2379{ 2715{
2380 unsigned int i, j, n;
2381 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2382
2383#if 0
2384 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2385 ZERO_SCROLLBACK (r);
2386#endif
2387
2388 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2389 for (i = 0; i < len; i += PROP_SIZE) 2717 for (unsigned int i = 0; i < len; i++)
2390 { 2718 if (data[i] == C0_LF)
2391 n = min (len - i, PROP_SIZE); 2719 data[i] = C0_CR;
2392 MEMCPY (ds, data + i, n);
2393 2720
2394 for (j = 0; j < n; j++) 2721 #if ENABLE_FRILLS
2395 if (ds[j] == '\n') 2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2396 ds[j] = '\r'; 2723 tt_printf ("\x1b[200~");
2397
2398 tt_write (ds, (int)n);
2399 }
2400
2401 free(ds);
2402}
2403
2404/* ------------------------------------------------------------------------- */
2405/*
2406 * Respond to a notification that a primary selection has been sent
2407 * EXT: SelectionNotify
2408 */
2409int
2410rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2411{
2412 long nread = 0;
2413 unsigned long bytes_after;
2414 XTextProperty ct;
2415
2416 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2417
2418 if (prop == None) /* check for failed XConvertSelection */
2419 {
2420 if ((selection_type & Sel_CompoundText))
2421 {
2422 int selnum = selection_type & Sel_whereMask;
2423
2424 selection_type = 0;
2425 if (selnum != Sel_direct)
2426 selection_request_other (XA_STRING, selnum);
2427 }
2428
2429 if ((selection_type & Sel_UTF8String))
2430 {
2431 int selnum = selection_type & Sel_whereMask;
2432
2433 selection_type = Sel_CompoundText;
2434 if (selnum != Sel_direct)
2435 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2436 else
2437 selection_type = 0;
2438 }
2439
2440 return 0;
2441 }
2442
2443 for (;;)
2444 {
2445 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2446 (long)(PROP_SIZE / 4), delete_prop,
2447 AnyPropertyType, &ct.encoding, &ct.format,
2448 &ct.nitems, &bytes_after,
2449 &ct.value) != Success)
2450 break;
2451
2452 if (ct.encoding == 0)
2453 {
2454 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2455 break;
2456 }
2457
2458 if (ct.value == NULL)
2459 {
2460 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2461 continue;
2462 }
2463
2464 if (ct.nitems == 0)
2465 {
2466 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2467 if (selection_wait == Sel_normal && nread == 0)
2468 {
2469 /*
2470 * pass through again trying CUT_BUFFER0 if we've come from
2471 * XConvertSelection() but nothing was presented
2472 */
2473 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2474 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2475 }
2476
2477 nread = -1; /* discount any previous stuff */
2478 break;
2479 }
2480
2481 nread += ct.nitems;
2482
2483 char **cl;
2484 int cr;
2485 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2486 &cr) >= 0 && cl)
2487 {
2488 for (int i = 0; i < cr; i++)
2489 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2490
2491 XFreeStringList (cl);
2492 }
2493 else
2494 paste (ct.value, ct.nitems);
2495
2496 if (bytes_after == 0)
2497 break;
2498
2499 XFree (ct.value);
2500 }
2501
2502 if (ct.value)
2503 XFree (ct.value);
2504
2505 if (selection_wait == Sel_normal)
2506 selection_wait = Sel_none;
2507
2508 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2509 return (int)nread;
2510}
2511
2512void
2513rxvt_term::incr_cb (time_watcher &w)
2514{
2515 selection_wait = Sel_none;
2516
2517 rxvt_print_error ("data loss: timeout on INCR selection paste");
2518}
2519
2520/*
2521 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2522 */
2523void
2524rxvt_term::selection_property (Window win, Atom prop)
2525{
2526 int reget_time = 0;
2527
2528 if (prop == None)
2529 return;
2530 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2531 if (selection_wait == Sel_normal) {
2532 int a, afmt;
2533 Atom atype;
2534 unsigned long bytes_after, nitems;
2535 unsigned char *s = NULL;
2536
2537 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2538 xa[XA_INCR], &atype, &afmt, &nitems,
2539 &bytes_after, &s);
2540 if (s)
2541 XFree(s);
2542 if (a != Success)
2543 return;
2544#ifndef __CYGWIN32__
2545 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2546 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2547 XDeleteProperty(Xdisplay, win, prop);
2548 XFlush(Xdisplay);
2549 reget_time = 1;
2550 selection_wait = Sel_incr;
2551 }
2552#endif 2724 #endif
2553 } else if (selection_wait == Sel_incr) { 2725
2554 reget_time = 1; 2726 tt_write (data, len);
2555 if (selection_paste (win, prop, True) == -1) { 2727
2556 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); 2728 #if ENABLE_FRILLS
2557 selection_wait = Sel_none; 2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2558 incr_ev.stop (); 2730 tt_printf ("\x1b[201~");
2559 } 2731 #endif
2560 }
2561 if (reget_time) /* received more data so reget time */
2562 incr_ev.start (NOW + 10);
2563} 2732}
2733
2734void
2735rxvt_term::paste (char *data, unsigned int len) noexcept
2736{
2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2738 return;
2739
2740 tt_paste (data, len);
2741}
2742
2564/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2565/* 2744/*
2566 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2567 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2568 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2569 * > CUT_BUFFER0
2570 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2571 * will auto fallback to CUT_BUFFER0
2572 * EXT: button 2 release 2748 * EXT: button 2 release
2573 */ 2749 */
2574void 2750void
2575rxvt_term::selection_request (Time tm, int x, int y) 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2576{ 2752{
2577 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2753 if (!selection_req)
2578 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2579 return; /* outside window */
2580
2581 if (selection.text != NULL) { /* internal selection */
2582 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2583 paste (selection.text, selection.len);
2584 return;
2585 } else {
2586 int i;
2587
2588 selection_request_time = tm;
2589 selection_wait = Sel_normal;
2590 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2591#if X_HAVE_UTF8_STRING
2592 selection_type = Sel_UTF8String;
2593 if (selection_request_other (xa[XA_UTF8_STRING], i))
2594 return;
2595#else
2596 selection_type = Sel_CompoundText;
2597 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2598 return;
2599#endif
2600 }
2601 } 2754 {
2602 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2603 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2756 selection_req->run ();
2604 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2605}
2606
2607int
2608rxvt_term::selection_request_other (Atom target, int selnum)
2609{
2610 Atom sel;
2611#ifdef DEBUG_SELECT
2612 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2613#endif
2614
2615 selection_type |= selnum;
2616 if (selnum == Sel_Primary)
2617 sel = XA_PRIMARY;
2618 else if (selnum == Sel_Secondary)
2619 sel = XA_SECONDARY;
2620 else
2621 sel = xa[XA_CLIPBOARD];
2622 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2623 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2624 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2625 TermWin.vt, selection_request_time);
2626 return 1;
2627 } 2757 }
2628 return 0;
2629} 2758}
2630 2759
2631/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2632/* 2761/*
2633 * Clear all selected text 2762 * Clear all selected text
2634 * EXT: SelectionClear 2763 * EXT: SelectionClear
2635 */ 2764 */
2636void 2765void
2637rxvt_term::selection_clear () 2766rxvt_term::selection_clear (bool clipboard) noexcept
2638{ 2767{
2639 D_SELECT((stderr, "rxvt_selection_clear()")); 2768 if (!clipboard)
2640 2769 {
2641 want_refresh = 1; 2770 want_refresh = 1;
2642 if (selection.text)
2643 free(selection.text); 2771 free (selection.text);
2644 selection.text = NULL; 2772 selection.text = NULL;
2645 selection.len = 0; 2773 selection.len = 0;
2646 CLEAR_SELECTION(); 2774 CLEAR_SELECTION ();
2775
2776 if (display->selection_owner == this)
2777 display->selection_owner = 0;
2778 }
2779 else
2780 {
2781 free (selection.clip_text);
2782 selection.clip_text = NULL;
2783 selection.clip_len = 0;
2784
2785 if (display->clipboard_owner == this)
2786 display->clipboard_owner = 0;
2787 }
2647} 2788}
2648 2789
2649/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2650/* 2791/*
2651 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2652 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2653 */ 2794 */
2654void 2795void
2655rxvt_term::selection_make (Time tm) 2796rxvt_term::selection_make (Time tm)
2656{ 2797{
2657 int i, col, end_col, row, end_row; 2798 int size;
2658 unsigned char *new_selection_text; 2799 wchar_t *new_selection_text;
2659 char *str; 2800 text_t *t;
2660 text_t *t;
2661#ifdef ACS_ASCII
2662 rend_t *re;
2663#endif
2664 2801
2665 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2666 switch (selection.op) { 2802 switch (selection.op)
2803 {
2667 case SELECTION_CONT: 2804 case SELECTION_CONT:
2668 break; 2805 break;
2669 case SELECTION_INIT: 2806 case SELECTION_INIT:
2670 CLEAR_SELECTION(); 2807 CLEAR_SELECTION ();
2671 /* FALLTHROUGH */ 2808 /* FALLTHROUGH */
2672 case SELECTION_BEGIN: 2809 case SELECTION_BEGIN:
2673 selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2674 /* FALLTHROUGH */ 2811 /* FALLTHROUGH */
2675 default: 2812 default:
2676 return; 2813 return;
2677 } 2814 }
2815
2678 selection.op = SELECTION_DONE; 2816 selection.op = SELECTION_DONE;
2679 2817
2680 if (selection.clicks == 4) 2818 if (selection.clicks == 4)
2681 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2682 2820
2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2822 return;
2823
2683 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2684 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2685 2826
2686 new_selection_text = (unsigned char *)str; 2827 int ofs = 0;
2828 int extra = 0;
2687 2829
2688 col = selection.beg.col; 2830 int col = selection.beg.col;
2689 MAX_IT(col, 0); 2831 int row = selection.beg.row;
2690 row = selection.beg.row + TermWin.saveLines;
2691 end_row = selection.end.row + TermWin.saveLines;
2692 2832
2833 int end_col;
2834
2693 for (; row <= end_row; row++, col = 0) 2835 for (; row <= selection.end.row; row++, col = 0)
2836 {
2837#if !ENABLE_MINIMAL
2838 if (selection.rect)
2694 { 2839 {
2695 t = &(screen.text[row][col]); 2840 col = selection.beg.col;
2696
2697 end_col = screen.tlen[row];
2698
2699 if (end_col == -1)
2700 end_col = TermWin.ncol; 2841 end_col = selection.end.col;
2842 }
2843 else
2844#endif
2845 end_col = ROW(row).l;
2701 2846
2847 col = max (col, 0);
2848
2702 if (row == end_row) 2849 if (row == selection.end.row)
2703 MIN_IT (end_col, selection.end.col); 2850 min_it (end_col, selection.end.col);
2704 2851
2852 t = ROW(row).t + col;
2853
2705 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
2855 {
2706 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2707 t++; 2857 t++;
2858#if ENABLE_COMBINING
2859 else if (IS_COMPOSE (*t))
2860 {
2861 int len = rxvt_composite.expand (*t);
2862
2863 extra -= (len - 1);
2864
2865 if (extra < 0)
2866 {
2867 extra += size;
2868 size += size;
2869 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2870 }
2871
2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2873 }
2874#endif
2708 else 2875 else
2709 { 2876 new_selection_text[ofs++] = *t++;
2710 int len = wctomb (str, *t++);
2711 if (len > 0)
2712 str += len;
2713 }
2714
2715 if (screen.tlen[row] != -1 && row != end_row)
2716 *str++ = '\n';
2717 }
2718
2719#ifndef NO_OLD_SELECTION
2720 if (selection_style == OLD_SELECT)
2721 if (end_col == TermWin.ncol)
2722 *str++ = '\n';
2723#endif
2724#ifndef NO_NEW_SELECTION
2725 if (selection_style != OLD_SELECT)
2726 if (end_col != selection.end.col)
2727 *str++ = '\n';
2728#endif
2729 *str = '\0';
2730
2731 i = str - (char *)new_selection_text;
2732 if (i == 0)
2733 {
2734 free (new_selection_text);
2735 return;
2736 }
2737
2738 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2739 if (str - (char *)new_selection_text > 1024)
2740 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2741
2742 selection.len = i;
2743
2744 if (selection.text)
2745 free (selection.text);
2746
2747 selection.text = new_selection_text;
2748
2749 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2750 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2751 rxvt_print_error("can't get primary selection");
2752
2753
2754 {
2755 XTextProperty ct;
2756 char *cl = (char *)selection.text;
2757
2758 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2759 { 2877 }
2760 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2878
2761 PropModeReplace, ct.value, ct.nitems); 2879#if !ENABLE_MINIMAL
2762 XFree (ct.value); 2880 if (selection.rect)
2881 {
2882 while (ofs
2883 && new_selection_text[ofs - 1] != C0_LF
2884 && unicode::is_space (new_selection_text[ofs - 1]))
2885 --ofs;
2886
2887 new_selection_text[ofs++] = C0_LF;
2763 } 2888 }
2764 else 2889 else
2765 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2890#endif
2766 PropModeReplace, selection.text, (int)selection.len); 2891 if (!ROW(row).is_longer ()
2892 && (row != selection.end.row || end_col != selection.end.col)
2893 && (row != selection.beg.row || selection.beg.col < ncol))
2894 new_selection_text[ofs++] = C0_LF;
2895 }
2896
2897 new_selection_text[ofs] = 0;
2898
2899 if (ofs == 0)
2767 } 2900 {
2901 free (new_selection_text);
2902 return;
2903 }
2768 2904
2905 free (selection.text);
2906
2907 // we usually allocate much more than necessary, so realloc it smaller again
2908 selection.len = ofs;
2909 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2910
2911 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2912 return;
2913
2914 selection_grab (tm);
2915}
2916
2917bool
2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
2769 selection_time = tm; 2924 selection_time = tm;
2770 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2925 sel = XA_PRIMARY;
2926 }
2927 else
2928 {
2929 clipboard_time = tm;
2930 sel = xa[XA_CLIPBOARD];
2931 }
2932
2933 XSetSelectionOwner (dpy, sel, vt, tm);
2934 if (XGetSelectionOwner (dpy, sel) == vt)
2935 {
2936 display->set_selection_owner (this, clipboard);
2937 return true;
2938 }
2939 else
2940 {
2941 selection_clear (clipboard);
2942 return false;
2943 }
2944
2945#if 0
2946 XTextProperty ct;
2947
2948 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2949 {
2950 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2951 XFree (ct.value);
2952 }
2953#endif
2771} 2954}
2772 2955
2773/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
2774/* 2957/*
2775 * Mark or select text based upon number of clicks: 1, 2, or 3 2958 * Mark or select text based upon number of clicks: 1, 2, or 3
2776 * EXT: button 1 press 2959 * EXT: button 1 press
2777 */ 2960 */
2778void 2961void ecb_cold
2779rxvt_term::selection_click (int clicks, int x, int y) 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
2780{ 2963{
2781 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2782
2783 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
2784 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
2785 2966
2967 if (clicks == 2 && !selection.rect
2968 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2969 {
2970 MEvent.clicks = 1; // what a mess
2971 selection.screen = current_screen;
2972 selection.op = SELECTION_CONT;
2973 return;
2974 }
2975
2786 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2976 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2787 2977
2788 if (clicks == 2 || clicks == 3) 2978 if (clicks == 2 || clicks == 3)
2789 selection_extend_colrow (selection.mark.col, 2979 selection_extend_colrow (selection.mark.col,
2790 selection.mark.row + TermWin.view_start, 2980 selection.mark.row - view_start,
2791 0, /* button 3 */ 2981 0, /* button 3 */
2792 1, /* button press */ 2982 1, /* button press */
2793 0); /* click change */ 2983 0); /* click change */
2794} 2984}
2795 2985
2796/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
2797/* 2987/*
2798 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
2799 */ 2989 */
2800void 2990void ecb_cold
2801rxvt_term::selection_start_colrow (int col, int row) 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
2802{ 2992{
2803 want_refresh = 1; 2993 want_refresh = 1;
2994
2995 selection.mark.row = row + view_start;
2804 selection.mark.col = col; 2996 selection.mark.col = col;
2805 selection.mark.row = row - TermWin.view_start; 2997
2806 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2998 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2807 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2999 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3000
3001 while (selection.mark.col > 0
3002 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2808 MAX_IT(selection.mark.col, 0); 3003 --selection.mark.col;
2809 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2810 3004
2811 if (selection.op) { /* clear the old selection */ 3005 if (selection.op)
3006 {
3007 /* clear the old selection */
2812 selection.beg.row = selection.end.row = selection.mark.row; 3008 selection.beg.row = selection.end.row = selection.mark.row;
2813 selection.beg.col = selection.end.col = selection.mark.col; 3009 selection.beg.col = selection.end.col = selection.mark.col;
2814 } 3010 }
3011
2815 selection.op = SELECTION_INIT; 3012 selection.op = SELECTION_INIT;
2816 selection.screen = current_screen; 3013 selection.screen = current_screen;
2817} 3014}
2818 3015
2819/* ------------------------------------------------------------------------- */ 3016/* ------------------------------------------------------------------------- */
2820/* 3017/*
2821 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
2822 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
2823 */ 3020 */
2824 3021
2825/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3022/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2826#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
2827 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2828#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
2829 3026
2830void 3027void ecb_cold
2831rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3028rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2832{ 3029{
2833 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
2834 row_col_t bound; 3031 row_col_t bound;
2835 text_t *stp; 3032 text_t *stp;
2836 rend_t *srp; 3033 rend_t *srp;
2837 3034
2838 if (dirn == UP) { 3035 if (dirn == UP)
2839 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3036 {
3037 bound.row = top_row - 1;
2840 bound.col = 0; 3038 bound.col = 0;
2841 dirnadd = -1; 3039 dirnadd = -1;
2842 } else { 3040 }
2843 bound.row = TermWin.saveLines + TermWin.nrow; 3041 else
3042 {
3043 bound.row = nrow;
2844 bound.col = TermWin.ncol - 1; 3044 bound.col = ncol - 1;
2845 dirnadd = 1; 3045 dirnadd = 1;
2846 } 3046 }
2847 row = mark->row + TermWin.saveLines; 3047
3048 row = mark->row;
2848 col = mark->col; 3049 col = max (mark->col, 0);
2849 MAX_IT(col, 0); 3050
2850/* find the edge of a word */ 3051 /* find the edge of a word */
2851 stp = &(screen.text[row][col]); 3052 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2852 w1 = DELIMIT_TEXT(*stp); 3053 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2853 3054
2854 if (selection_style != NEW_SELECT) { 3055 for (;;)
2855 if (w1 == 1) { 3056 {
3057 for (; col != bound.col; col += dirnadd)
3058 {
2856 stp += dirnadd; 3059 stp += dirnadd;
2857 if (DELIMIT_TEXT(*stp) == 1)
2858 goto Old_Word_Selection_You_Die;
2859 col += dirnadd;
2860 }
2861 w1 = 0;
2862 }
2863 srp = (&screen.rend[row][col]);
2864 w2 = DELIMIT_REND(*srp);
2865
2866 for (;;) {
2867 for (; col != bound.col; col += dirnadd) {
2868 stp += dirnadd; 3060 srp += dirnadd;
3061
3062 if (*stp == NOCHAR)
3063 continue;
3064
2869 if (DELIMIT_TEXT(*stp) != w1) 3065 if (DELIMIT_TEXT (*stp) != w1)
3066 break;
3067 if (DELIMIT_REND (*srp) != w2)
3068 break;
3069 }
3070
3071 if ((col == bound.col) && (row != bound.row))
3072 {
3073 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3074 {
3075 trow = row + dirnadd;
3076 tcol = dirn == UP ? ncol - 1 : 0;
3077
3078 if (!ROW(trow).t)
2870 break; 3079 break;
2871 srp += dirnadd; 3080
2872 if (DELIMIT_REND(*srp) != w2) 3081 stp = ROW(trow).t + tcol;
3082 srp = ROW(trow).r + tcol;
3083
3084 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2873 break; 3085 break;
2874 } 3086
2875 if ((col == bound.col) && (row != bound.row)) {
2876 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2877 trow = row + dirnadd;
2878 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2879 if (screen.text[trow] == NULL)
2880 break;
2881 stp = &(screen.text[trow][tcol]);
2882 srp = &(screen.rend[trow][tcol]);
2883 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2884 break;
2885 row = trow; 3087 row = trow;
2886 col = tcol; 3088 col = tcol;
2887 continue; 3089 continue;
2888 } 3090 }
2889 } 3091 }
2890 break; 3092 break;
2891 } 3093 }
2892 Old_Word_Selection_You_Die:
2893 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));
2894 3094
2895 if (dirn == DN) 3095 if (dirn == DN)
2896 col++; /* put us on one past the end */ 3096 col++; /* put us on one past the end */
2897 3097
2898/* Poke the values back in */ 3098 /* Poke the values back in */
2899 ret->row = row - TermWin.saveLines; 3099 ret->row = row;
2900 ret->col = col; 3100 ret->col = col;
2901} 3101}
2902 3102
2903/* ------------------------------------------------------------------------- */ 3103/* ------------------------------------------------------------------------- */
2904/* 3104/*
2905 * Extend the selection to the specified x/y pixel location 3105 * Extend the selection to the specified x/y pixel location
2906 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
2907 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
2908 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
2909 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
2910 */ 3110 */
2911void 3111void ecb_cold
2912rxvt_term::selection_extend (int x, int y, int flag) 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
2913{ 3113{
2914 int col, row; 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2915 3116
2916 col = Pixel2Col(x);
2917 row = Pixel2Row(y);
2918 MAX_IT(row, 0);
2919 MIN_IT(row, (int)TermWin.nrow - 1);
2920 MAX_IT(col, 0);
2921 MIN_IT(col, (int)TermWin.ncol);
2922
2923#ifndef NO_NEW_SELECTION
2924 /* 3117 /*
2925 * If we're selecting characters (single click) then we must check first 3118 * If we're selecting characters (single click) then we must check first
2926 * if we are at the same place as the original mark. If we are then 3119 * if we are at the same place as the original mark. If we are then
2927 * select nothing. Otherwise, if we're to the right of the mark, you have to 3120 * select nothing. Otherwise, if we're to the right of the mark, you have to
2928 * be _past_ a character for it to be selected. 3121 * be _past_ a character for it to be selected.
2929 */ 3122 */
2930 if (selection_style != OLD_SELECT)
2931 {
2932 if (((selection.clicks % 3) == 1) && !flag 3123 if (((selection.clicks % 3) == 1) && !flag
2933 && (col == selection.mark.col 3124 && (col == selection.mark.col
2934 && (row == selection.mark.row + TermWin.view_start))) 3125 && (row == selection.mark.row - view_start)))
2935 { 3126 {
2936 /* select nothing */ 3127 /* select nothing */
2937 selection.beg.row = selection.end.row = 0; 3128 selection.beg.row = selection.end.row = 0;
2938 selection.beg.col = selection.end.col = 0; 3129 selection.beg.col = selection.end.col = 0;
2939 selection.clicks = 4; 3130 selection.clicks = 4;
2940 want_refresh = 1; 3131 want_refresh = 1;
2941 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2942 return; 3132 return;
2943 }
2944 } 3133 }
2945#endif 3134
2946 if (selection.clicks == 4) 3135 if (selection.clicks == 4)
2947 selection.clicks = 1; 3136 selection.clicks = 1;
2948 3137
2949 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3138 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2950 flag == 1 ? 1 : 0, /* ? button press */ 3139 flag == 1 ? 1 : 0, /* ? button press */
2951 0); /* no click change */ 3140 0); /* no click change */
2952} 3141}
2953 3142
2954/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
2955/* 3144/*
2956 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
2957 */ 3146 */
2958void 3147void ecb_cold
2959rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3148rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2960{ 3149{
2961 int16_t ncol = TermWin.ncol;
2962 int end_col;
2963 row_col_t pos; 3150 row_col_t pos;
2964 enum { 3151 enum {
2965 LEFT, RIGHT 3152 LEFT, RIGHT
2966 } closeto = RIGHT; 3153 } closeto = RIGHT;
2967 3154
2968 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));
2969 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));
2970
2971 want_refresh = 1;
2972 switch (selection.op) { 3155 switch (selection.op)
3156 {
2973 case SELECTION_INIT: 3157 case SELECTION_INIT:
2974 CLEAR_SELECTION(); 3158 CLEAR_SELECTION ();
2975 selection.op = SELECTION_BEGIN; 3159 selection.op = SELECTION_BEGIN;
2976 /* FALLTHROUGH */ 3160 /* FALLTHROUGH */
2977 case SELECTION_BEGIN: 3161 case SELECTION_BEGIN:
2978 if (row != selection.mark.row || col != selection.mark.col 3162 if (row != selection.mark.row || col != selection.mark.col
2979 || (!button3 && buttonpress)) 3163 || (!button3 && buttonpress))
2980 selection.op = SELECTION_CONT; 3164 selection.op = SELECTION_CONT;
2981 break; 3165 break;
2982 case SELECTION_DONE: 3166 case SELECTION_DONE:
2983 selection.op = SELECTION_CONT; 3167 selection.op = SELECTION_CONT;
2984 /* FALLTHROUGH */ 3168 /* FALLTHROUGH */
2985 case SELECTION_CONT: 3169 case SELECTION_CONT:
2986 break; 3170 break;
2987 case SELECTION_CLEAR: 3171 case SELECTION_CLEAR:
2988 selection_start_colrow (col, row); 3172 selection_start_colrow (col, row);
2989 /* FALLTHROUGH */ 3173 /* FALLTHROUGH */
2990 default: 3174 default:
2991 return; 3175 return;
2992 } 3176 }
3177
2993 if (selection.beg.col == selection.end.col 3178 if (selection.beg.col == selection.end.col
2994 && selection.beg.col != selection.mark.col 3179 && selection.beg.col != selection.mark.col
2995 && selection.beg.row == selection.end.row 3180 && selection.beg.row == selection.end.row
2996 && selection.beg.row != selection.mark.row) { 3181 && selection.beg.row != selection.mark.row)
3182 {
2997 selection.beg.col = selection.end.col = selection.mark.col; 3183 selection.beg.col = selection.end.col = selection.mark.col;
2998 selection.beg.row = selection.end.row = selection.mark.row; 3184 selection.beg.row = selection.end.row = selection.mark.row;
2999 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));
3000 } 3185 }
3001 3186
3002 pos.col = col; 3187 pos.col = col;
3003 pos.row = row; 3188 pos.row = view_start + row;
3004 3189
3005 pos.row -= TermWin.view_start; /* adjust for scroll */ 3190 /*
3006 3191 * This is mainly xterm style selection with a couple of differences, mainly
3007#ifndef NO_OLD_SELECTION 3192 * in the way button3 drag extension works.
3008/* 3193 * We're either doing: button1 drag; button3 press; or button3 drag
3009 * This mimics some of the selection behaviour of version 2.20 and before. 3194 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3010 * There are no ``selection modes'', button3 is always character extension. 3195 * is always at the left/right edge of the selection.
3011 * Note: button3 drag is always available, c.f. v2.20 3196 * b) button3 press: extend/contract character/word/line at whichever edge of
3012 * Selection always terminates (left or right as appropriate) at the mark. 3197 * the selection we are closest to.
3198 * c) button3 drag : extend/contract character/word/line - we select around
3199 * a point/word/line which is either the start or end of the selection
3200 * and it was decided by whichever point/word/line was `fixed' at the
3201 * time of the most recent button3 press
3013 */ 3202 */
3014 if (selection_style == OLD_SELECT) { 3203 if (button3 && buttonpress)
3015 if (selection.clicks == 1 || button3) { 3204 {
3016 if (hate_those_clicks) { 3205 /* button3 press */
3017 hate_those_clicks = 0; 3206 /*
3018 if (selection.clicks == 1) { 3207 * first determine which edge of the selection we are closest to
3019 selection.beg.row = selection.mark.row; 3208 */
3020 selection.beg.col = selection.mark.col; 3209 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3021 } else { 3210 || (!ROWCOL_IS_AFTER (pos, selection.end)
3211 && (((pos.col - selection.beg.col)
3212 + ((pos.row - selection.beg.row) * ncol))
3213 < ((selection.end.col - pos.col)
3214 + ((selection.end.row - pos.row) * ncol)))))
3215 closeto = LEFT;
3216
3217 if (closeto == LEFT)
3218 {
3219 selection.beg.row = pos.row;
3220 selection.beg.col = pos.col;
3221 selection.mark.row = selection.end.row;
3222 selection.mark.col = selection.end.col - (selection.clicks == 2);
3223 }
3224 else
3225 {
3226 selection.end.row = pos.row;
3227 selection.end.col = pos.col;
3022 selection.mark.row = selection.beg.row; 3228 selection.mark.row = selection.beg.row;
3023 selection.mark.col = selection.beg.col; 3229 selection.mark.col = selection.beg.col;
3230 }
3231 }
3232 else
3233 {
3234 /* button1 drag or button3 drag */
3235 if (ROWCOL_IS_AFTER (selection.mark, pos))
3236 {
3237 if (selection.mark.row == selection.end.row
3238 && selection.mark.col == selection.end.col
3239 && clickchange
3240 && selection.clicks == 2)
3241 selection.mark.col--;
3242
3243 selection.beg.row = pos.row;
3244 selection.beg.col = pos.col;
3245 selection.end.row = selection.mark.row;
3246 selection.end.col = selection.mark.col + (selection.clicks == 2);
3247 }
3248 else
3249 {
3250 selection.beg.row = selection.mark.row;
3251 selection.beg.col = selection.mark.col;
3252 selection.end.row = pos.row;
3253 selection.end.col = pos.col;
3254 }
3255 }
3256
3257 if (selection.clicks == 1)
3258 {
3259 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3260 && !ROW(selection.beg.row).is_longer ()
3261#if !ENABLE_MINIMAL
3262 && !selection.rect
3263#endif
3264 )
3265 selection.beg.col = ncol;
3266
3267 if (
3268 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3269 && !ROW(selection.end.row).is_longer ()
3270#if !ENABLE_MINIMAL
3271 && !selection.rect
3272#endif
3273 )
3274 selection.end.col = ncol;
3275 }
3276 else if (selection.clicks == 2)
3277 {
3278 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3279 selection.end.col--;
3280
3281 selection_delimit_word (UP, &selection.beg, &selection.beg);
3282 selection_delimit_word (DN, &selection.end, &selection.end);
3283 }
3284 else if (selection.clicks == 3)
3285 {
3286#if ENABLE_FRILLS
3287 if (option (Opt_tripleclickwords))
3288 {
3289 selection_delimit_word (UP, &selection.beg, &selection.beg);
3290
3291 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3292 {
3293 if (!ROW(end_row).is_longer ())
3294 {
3295 selection.end.row = end_row;
3296 selection.end.col = ROW(end_row).l;
3297# if !ENABLE_MINIMAL
3298 selection_remove_trailing_spaces ();
3299# endif
3300 break;
3024 } 3301 }
3025 } 3302 }
3026 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3027 selection.end.row = selection.mark.row;
3028 selection.end.col = selection.mark.col + 1;
3029 selection.beg.row = pos.row;
3030 selection.beg.col = pos.col;
3031 } else {
3032 selection.beg.row = selection.mark.row;
3033 selection.beg.col = selection.mark.col;
3034 selection.end.row = pos.row;
3035 selection.end.col = pos.col + 1;
3036 } 3303 }
3037 } else if (selection.clicks == 2) { 3304 else
3038 selection_delimit_word (UP, &(selection.mark), 3305#endif
3039 &(selection.beg)); 3306 {
3040 selection_delimit_word (DN, &(selection.mark), 3307 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3041 &(selection.end)); 3308 selection.mark.col++;
3042 hate_those_clicks = 1; 3309
3043 } else if (selection.clicks == 3) {
3044 selection.beg.row = selection.end.row = selection.mark.row;
3045 selection.beg.col = 0; 3310 selection.beg.col = 0;
3046 selection.end.col = ncol; 3311 selection.end.col = ncol;
3047 hate_those_clicks = 1; 3312
3048 } 3313 // select a complete logical line
3049 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)); 3314 while (selection.beg.row > -saveLines
3050 return; 3315 && ROW(selection.beg.row - 1).is_longer ())
3051 } 3316 selection.beg.row--;
3052#endif /* ! NO_OLD_SELECTION */ 3317
3053#ifndef NO_NEW_SELECTION 3318 while (selection.end.row < nrow
3054/* selection_style must not be OLD_SELECT to get here */ 3319 && ROW(selection.end.row).is_longer ())
3055/* 3320 selection.end.row++;
3056 * This is mainly xterm style selection with a couple of differences, mainly
3057 * in the way button3 drag extension works.
3058 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3060 * is always at the left/right edge of the selection.
3061 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * the selection we are closest to.
3063 * c) button3 drag : extend/contract character/word/line - we select around
3064 * a point/word/line which is either the start or end of the selection
3065 * and it was decided by whichever point/word/line was `fixed' at the
3066 * time of the most recent button3 press
3067 */
3068 if (button3 && buttonpress) { /* button3 press */
3069 /* 3321 }
3070 * first determine which edge of the selection we are closest to 3322 }
3071 */ 3323
3072 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3324 if (button3 && buttonpress)
3073 || (!ROWCOL_IS_AFTER(pos, selection.end) 3325 {
3074 && (((pos.col - selection.beg.col) 3326 /* mark may need to be changed */
3075 + ((pos.row - selection.beg.row) * ncol))
3076 < ((selection.end.col - pos.col)
3077 + ((selection.end.row - pos.row) * ncol)))))
3078 closeto = LEFT;
3079 if (closeto == LEFT) { 3327 if (closeto == LEFT)
3080 selection.beg.row = pos.row; 3328 {
3081 selection.beg.col = pos.col;
3082 selection.mark.row = selection.end.row; 3329 selection.mark.row = selection.end.row;
3083 selection.mark.col = selection.end.col 3330 selection.mark.col = selection.end.col - (selection.clicks == 2);
3084 - (selection.clicks == 2); 3331 }
3085 } else { 3332 else
3086 selection.end.row = pos.row; 3333 {
3087 selection.end.col = pos.col;
3088 selection.mark.row = selection.beg.row; 3334 selection.mark.row = selection.beg.row;
3089 selection.mark.col = selection.beg.col; 3335 selection.mark.col = selection.beg.col;
3090 }
3091 } else { /* button1 drag or button3 drag */
3092 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3093 if ((selection.mark.row == selection.end.row)
3094 && (selection.mark.col == selection.end.col)
3095 && clickchange && selection.clicks == 2)
3096 selection.mark.col--;
3097 selection.beg.row = pos.row;
3098 selection.beg.col = pos.col;
3099 selection.end.row = selection.mark.row;
3100 selection.end.col = selection.mark.col
3101 + (selection.clicks == 2);
3102 } else {
3103 selection.beg.row = selection.mark.row;
3104 selection.beg.col = selection.mark.col;
3105 selection.end.row = pos.row;
3106 selection.end.col = pos.col;
3107 }
3108 }
3109
3110 if (selection.clicks == 1) {
3111 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3112 if (end_col != -1 && selection.beg.col > end_col) {
3113#if 1
3114 selection.beg.col = ncol;
3115#else
3116 if (selection.beg.row != selection.end.row)
3117 selection.beg.col = ncol;
3118 else
3119 selection.beg.col = selection.mark.col;
3120#endif
3121 }
3122 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3123 if (end_col != -1 && selection.end.col > end_col)
3124 selection.end.col = ncol;
3125
3126 } else if (selection.clicks == 2) {
3127 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3128 selection.end.col--;
3129 selection_delimit_word (UP, &(selection.beg),
3130 &(selection.beg));
3131 selection_delimit_word (DN, &(selection.end),
3132 &(selection.end));
3133 } else if (selection.clicks == 3) {
3134#ifndef NO_FRILLS
3135 if ((Options & Opt_tripleclickwords)) {
3136 int end_row;
3137
3138 selection_delimit_word (UP, &(selection.beg),
3139 &(selection.beg));
3140 end_row = screen.tlen[selection.mark.row
3141 + TermWin.saveLines];
3142 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3143 end_row++) {
3144 end_col = screen.tlen[end_row + TermWin.saveLines];
3145 if (end_col != -1) {
3146 selection.end.row = end_row;
3147 selection.end.col = end_col;
3148 selection_remove_trailing_spaces ();
3149 break;
3150 }
3151 }
3152 } else
3153#endif
3154 { 3336 }
3155 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3156 selection.mark.col++;
3157 selection.beg.col = 0;
3158 selection.end.col = ncol;
3159 }
3160 } 3337 }
3161 if (button3 && buttonpress) { /* mark may need to be changed */
3162 if (closeto == LEFT) {
3163 selection.mark.row = selection.end.row;
3164 selection.mark.col = selection.end.col
3165 - (selection.clicks == 2);
3166 } else {
3167 selection.mark.row = selection.beg.row;
3168 selection.mark.col = selection.beg.col;
3169 }
3170 }
3171 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));
3172#endif /* ! NO_NEW_SELECTION */
3173}
3174 3338
3175#ifndef NO_FRILLS 3339#if !ENABLE_MINIMAL
3176void 3340 if (selection.rect && selection.beg.col > selection.end.col)
3341 ::swap (selection.beg.col, selection.end.col);
3342#endif
3343
3344 selection_changed ();
3345}
3346
3347#if !ENABLE_MINIMAL
3348void ecb_cold
3177rxvt_term::selection_remove_trailing_spaces () 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3178{ 3350{
3179 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3180 text_t *stp; 3352 text_t *stp;
3181 3353
3182 end_col = selection.end.col; 3354 end_col = selection.end.col;
3183 end_row = selection.end.row; 3355 end_row = selection.end.row;
3356
3184 for ( ; end_row >= selection.beg.row; ) { 3357 for (; end_row >= selection.beg.row; )
3185 stp = screen.text[end_row + TermWin.saveLines]; 3358 {
3359 stp = ROW(end_row).t;
3360
3186 while (--end_col >= 0) { 3361 while (--end_col >= 0)
3187 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3188 break;
3189 } 3362 {
3190 if (end_col >= 0 3363 if (stp[end_col] != NOCHAR
3191 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3364 && !unicode::is_space (stp[end_col]))
3192 selection.end.col = end_col + 1;
3193 selection.end.row = end_row;
3194 break; 3365 break;
3195 } 3366 }
3367
3368 if (end_col >= 0
3369 || !ROW(end_row - 1).is_longer ())
3370 {
3371 selection.end.col = end_col + 1;
3372 selection.end.row = end_row;
3373 break;
3374 }
3375
3196 end_row--; 3376 end_row--;
3197 end_col = TermWin.ncol; 3377 end_col = ncol;
3198 } 3378 }
3379
3199 if (selection.mark.row > selection.end.row) { 3380 if (selection.mark.row > selection.end.row)
3381 {
3200 selection.mark.row = selection.end.row; 3382 selection.mark.row = selection.end.row;
3201 selection.mark.col = selection.end.col; 3383 selection.mark.col = selection.end.col;
3384 }
3202 } else if (selection.mark.row == selection.end.row 3385 else if (selection.mark.row == selection.end.row
3203 && selection.mark.col > selection.end.col) 3386 && selection.mark.col > selection.end.col)
3204 selection.mark.col = selection.end.col; 3387 selection.mark.col = selection.end.col;
3205} 3388}
3206#endif 3389#endif
3207 3390
3208/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3209/* 3392/*
3210 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3211 * EXT: button 3 double click 3394 * EXT: button 3 double click
3212 */ 3395 */
3213void 3396void ecb_cold
3214rxvt_term::selection_rotate (int x, int y) 3397rxvt_term::selection_rotate (int x, int y) noexcept
3215{ 3398{
3216 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3217 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3218} 3401}
3219
3220/* ------------------------------------------------------------------------- */
3221/*
3222 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3223 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3224 * the X11 protocol.
3225 */
3226typedef CARD32 Atom32;
3227 3402
3228/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3229/* 3404/*
3230 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3231 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3232 */ 3407 */
3233void 3408void ecb_cold
3234rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3235{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3236 XSelectionEvent ev; 3412 XSelectionEvent ev;
3237 XTextProperty ct;
3238 XICCEncodingStyle style;
3239 Atom target;
3240 3413
3241 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3242 ev.property = None; 3415 ev.property = None;
3243 ev.display = rq->display; 3416 ev.display = rq.display;
3244 ev.requestor = rq->requestor; 3417 ev.requestor = rq.requestor;
3245 ev.selection = rq->selection; 3418 ev.selection = rq.selection;
3246 ev.target = rq->target; 3419 ev.target = rq.target;
3247 ev.time = rq->time; 3420 ev.time = rq.time;
3248 3421
3249 if (rq->target == xa[XA_TARGETS]) { 3422 if (rq.target == xa[XA_TARGETS])
3423 {
3250 Atom32 target_list[5]; 3424 Atom target_list[6];
3251 Atom32 *target = target_list; 3425 Atom *target = target_list;
3252 3426
3253 *target++ = (Atom32) xa[XA_TARGETS]; 3427 *target++ = xa[XA_TARGETS];
3428 *target++ = xa[XA_TIMESTAMP];
3254 *target++ = (Atom32) XA_STRING; 3429 *target++ = XA_STRING;
3255 *target++ = (Atom32) xa[XA_TEXT]; 3430 *target++ = xa[XA_TEXT];
3256 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3257#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3258 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3259#endif 3434#endif
3435
3260 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3261 (8 * sizeof(target_list[0])), PropModeReplace, 3437 32, PropModeReplace,
3262 (unsigned char *)target_list, 3438 (unsigned char *)target_list, target - target_list);
3263 target - target_list);
3264 ev.property = rq->property; 3439 ev.property = property;
3440 }
3441#if TODO // TODO
3265 } else if (rq->target == xa[XA_MULTIPLE]) { 3442 else if (rq.target == xa[XA_MULTIPLE])
3443 {
3266 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3267 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3445 }
3446#endif
3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3448 {
3268 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3269 (8 * sizeof(Time)), PropModeReplace,
3270 (unsigned char *)&selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3271 ev.property = rq->property; 3451 ev.property = property;
3452 }
3453 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3454 {
3455 XChangeProperty (dpy, rq.requestor, property, rq.target,
3456 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3457 ev.property = property;
3458 }
3272 } else if (rq->target == XA_STRING 3459 else if (rq.target == XA_STRING
3273 || rq->target == xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3274 || rq->target == xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3275 || rq->target == xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
3276 ) { 3463 )
3464 {
3465 XTextProperty ct;
3466 Atom target = rq.target;
3277 short freect = 0; 3467 short freect = 0;
3278 int selectlen; 3468 int selectlen;
3279 char *cl; 3469 wchar_t *cl;
3470 enum {
3471 enc_string = XStringStyle,
3472 enc_text = XStdICCTextStyle,
3473 enc_compound_text = XCompoundTextStyle,
3474#ifdef X_HAVE_UTF8_STRING
3475 enc_utf8 = XUTF8StringStyle,
3476#else
3477 enc_utf8 = -1,
3478#endif
3479 } style;
3280 3480
3281 target = rq->target;
3282
3283 if (target == XA_STRING) 3481 if (target == XA_STRING)
3284 // we actually don't do XA_STRING, but who cares, as i18n clients 3482 // we actually don't do XA_STRING, but who cares, as i18n clients
3285 // will ask for another format anyways. 3483 // will ask for another format anyways.
3286 style = XStringStyle; 3484 style = enc_string;
3287 else if (target == xa[XA_TEXT]) 3485 else if (target == xa[XA_TEXT])
3288 style = XTextStyle; 3486 style = enc_text;
3289 else if (target == xa[XA_COMPOUND_TEXT]) 3487 else if (target == xa[XA_COMPOUND_TEXT])
3290 style = XCompoundTextStyle; 3488 style = enc_compound_text;
3291#if X_HAVE_UTF8_STRING 3489#if !ENABLE_MINIMAL
3292 else if (target == xa[XA_UTF8_STRING]) 3490 else if (target == xa[XA_UTF8_STRING])
3293 style = XUTF8StringStyle; 3491 style = enc_utf8;
3294#endif 3492#endif
3295 else 3493 else
3296 { 3494 {
3297 target = xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3298 style = XCompoundTextStyle; 3496 style = enc_compound_text;
3299 } 3497 }
3300 3498
3301 if (selection.text) { 3499 if (rq.selection == XA_PRIMARY && selection.text)
3500 {
3302 cl = (char *)selection.text; 3501 cl = selection.text;
3303 selectlen = selection.len; 3502 selectlen = selection.len;
3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3304 } else { 3509 else
3305 cl = ""; 3510 {
3511 cl = (wchar_t *)L"";
3306 selectlen = 0; 3512 selectlen = 0;
3513 }
3514
3515#if !ENABLE_MINIMAL
3516 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3517 // so recode it manually
3518 if (style == enc_utf8)
3307 } 3519 {
3308
3309 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3310 freect = 1; 3520 freect = 1;
3521 ct.encoding = target;
3522 ct.format = 8;
3523 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3524 ct.nitems = strlen ((char *)ct.value);
3525 }
3311 else 3526 else
3527#endif
3528 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3529 freect = 1;
3530 else
3312 { 3531 {
3313 /* if we failed to convert then send it raw */ 3532 /* if we failed to convert then send it raw */
3314 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3315 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3535 ct.encoding = target;
3316 } 3536 }
3317 3537
3318 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3538 XChangeProperty (dpy, rq.requestor, property,
3319 target, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3320 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3321 ev.property = rq->property; 3541 ev.property = property;
3322 3542
3323 if (freect) 3543 if (freect)
3324 XFree (ct.value); 3544 XFree (ct.value);
3325 } 3545 }
3546
3326 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3327} 3548}
3328 3549
3329/* ------------------------------------------------------------------------- * 3550/* ------------------------------------------------------------------------- */
3330 * MOUSE ROUTINES *
3331 * ------------------------------------------------------------------------- */
3332
3333/*
3334 * return col/row values corresponding to x/y pixel values
3335 */
3336void
3337rxvt_term::pixel_position (int *x, int *y)
3338{
3339 *x = Pixel2Col(*x);
3340 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3341 *y = Pixel2Row(*y);
3342 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3343}
3344
3345/* ------------------------------------------------------------------------- */
3346#ifdef USE_XIM 3551#if USE_XIM
3347void 3552void ecb_cold
3348rxvt_term::set_position (XPoint *pos) 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3349{ 3554{
3350 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3351 3556
3352 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3558
3353 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3559 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3354 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3560 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3355} 3561}
3356
3357#endif 3562#endif
3358/* ------------------------------------------------------------------------- */ 3563
3359 3564#if ENABLE_OVERLAY
3565void
3566rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3567{
3568 if (nrow < 1 || ncol < 1)
3569 return;
3570
3571 want_refresh = 1;
3572
3573 scr_overlay_off ();
3574
3575 if (x < 0) x = ncol - w;
3576 if (y < 0) y = nrow - h;
3577
3578 // make space for border
3579 w += 2; min_it (w, ncol);
3580 h += 2; min_it (h, nrow);
3581
3582 x -= 1; clamp_it (x, 0, ncol - w);
3583 y -= 1; clamp_it (y, 0, nrow - h);
3584
3585 ov.x = x; ov.y = y;
3586 ov.w = w; ov.h = h;
3587
3588 ov.text = new text_t *[h];
3589 ov.rend = new rend_t *[h];
3590
3591 for (y = 0; y < h; y++)
3592 {
3593 text_t *tp = ov.text[y] = new text_t[w];
3594 rend_t *rp = ov.rend[y] = new rend_t[w];
3595
3596 text_t t0, t1, t2;
3597 rend_t r = OVERLAY_RSTYLE;
3598
3599 if (y == 0)
3600 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3601 else if (y < h - 1)
3602 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3603 else
3604 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3605
3606 *tp++ = t0;
3607 *rp++ = r;
3608
3609 for (x = w - 2; x > 0; --x)
3610 {
3611 *tp++ = t1;
3612 *rp++ = r;
3613 }
3614
3615 *tp = t2;
3616 *rp = r;
3617 }
3618}
3619
3620void
3621rxvt_term::scr_overlay_off () noexcept
3622{
3623 if (!ov.text)
3624 return;
3625
3626 want_refresh = 1;
3627
3628 for (int y = 0; y < ov.h; y++)
3629 {
3630 delete [] ov.text[y];
3631 delete [] ov.rend[y];
3632 }
3633
3634 delete [] ov.text; ov.text = 0;
3635 delete [] ov.rend; ov.rend = 0;
3636}
3637
3638void
3639rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3640{
3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3642 return;
3643
3644 x++, y++;
3645
3646 ov.text[y][x] = text;
3647 ov.rend[y][x] = rend;
3648}
3649
3650void
3651rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3652{
3653 while (*s)
3654 scr_overlay_set (x++, y, *s++);
3655}
3656
3657void
3658rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3659{
3660 while (*s)
3661 {
3662 text_t t = *s++;
3663 int width = WCWIDTH (t);
3664
3665 while (width--)
3666 {
3667 scr_overlay_set (x++, y, t);
3668 t = NOCHAR;
3669 }
3670 }
3671}
3672
3673void
3674rxvt_term::scr_swap_overlay () noexcept
3675{
3676 if (!ov.text)
3677 return;
3678
3679 // hide cursor if it is within the overlay area
3680 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3681 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3682 screen.flags &= ~Screen_VisibleCursor;
3683
3684 // swap screen mem with overlay
3685 for (int y = ov.h; y--; )
3686 {
3687 text_t *t1 = ov.text[y];
3688 rend_t *r1 = ov.rend[y];
3689
3690 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3691 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3692
3693 for (int x = ov.w; x--; )
3694 {
3695 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3696 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3697 }
3698 }
3699}
3700
3701#endif
3360/* ------------------------------------------------------------------------- * 3702/* ------------------------------------------------------------------------- */
3361 * DEBUG ROUTINES *
3362 * ------------------------------------------------------------------------- */
3363#if 0
3364void
3365rxvt_debug_colors(void)
3366{
3367 int color;
3368 const char *name[] = {
3369 "fg", "bg",
3370 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3371 };
3372 3703
3373 fprintf(stderr, "Color ( ");
3374 if (rstyle & RS_RVid)
3375 fprintf(stderr, "rvid ");
3376 if (rstyle & RS_Bold)
3377 fprintf(stderr, "bold ");
3378 if (rstyle & RS_Blink)
3379 fprintf(stderr, "blink ");
3380 if (rstyle & RS_Uline)
3381 fprintf(stderr, "uline ");
3382 fprintf(stderr, "): ");
3383
3384 color = GET_FGCOLOR(rstyle);
3385#ifndef NO_BRIGHTCOLOR
3386 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3387 color -= (minBrightCOLOR - minCOLOR);
3388 fprintf(stderr, "bright ");
3389 }
3390#endif
3391 fprintf(stderr, "%s on ", name[color]);
3392
3393 color = GET_BGCOLOR(rstyle);
3394#ifndef NO_BRIGHTCOLOR
3395 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3396 color -= (minBrightCOLOR - minCOLOR);
3397 fprintf(stderr, "bright ");
3398 }
3399#endif
3400 fprintf(stderr, "%s\n", name[color]);
3401}
3402#endif

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