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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.29 by pcg, Wed Feb 11 08:13:45 2004 UTC vs.
Revision 1.470 by root, Mon Aug 8 10:09:49 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 (display->display, 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 (display->display, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
109 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 {
260 top_row = 0;
261 term_start = 0;
188 262
189 if (prev_nrow == 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
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 267 screen.charset = 0;
223 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
235 selection.text = NULL; 280 selection.text = NULL;
236 selection.len = 0; 281 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
241 rvideo = 0; 286 selection.clip_len = 0;
242 } 287 }
243 else 288 else
244 { 289 {
245 /* 290 /*
246 * add or delete rows as appropriate 291 * add or delete rows as appropriate
247 */ 292 */
248 setrstyle = DEFAULT_RSTYLE;
249 293
250 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 304 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 305
256 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
257 { 321 {
258 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 328 {
261#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 330
263#endif 331 plines++;
264 talloc->free (screen.text[q]); 332 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 333 }
267 if (swap.text[p]) 334
335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 // drop partial lines completely
338 if (q < qlines)
339 break;
340
341 q -= qlines;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
268 { 348 {
269#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
270 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
271#endif 351 qline->l = ncol;
272 talloc->free (swap.text[p]); 352 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
274 } 385 }
275#ifdef DEBUG_STRICT 386
276 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 388 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 390 }
391 while (p != pend && q > 0);
281 392
282 /* we have fewer rows so fix up cursor position */ 393 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 394 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 395
286 scr_reset_realloc (); /* realloc _last_ */ 396 // make sure all terminal lines exist
287 } 397 while (top_row > 0)
288 else if (nrow > prev_nrow) 398 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 399 }
290 /* add rows */ 400 else
291 scr_reset_realloc (); /* realloc _first_ */ 401#endif
292 402 {
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 403 // wing, instead of wrap
294 404 do
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 405 {
299 screen.tlen[p] = 0; 406 p = MOD (p - 1, prev_total_rows);
300 screen.text[p] = NULL; 407 q--;
301 screen.rend[p] = NULL; 408
409 copy_line (row_buf [q], prev_row_buf [p]);
302 } 410 }
411 while (p != pend);
303 412
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); 413 screen.cur.row += nrow - prev_nrow;
331 MIN_IT(swap.cur.row, nrow - 1); 414 term_start = total_rows - nrow;
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 { 415 }
339 int common = min (prev_ncol, ncol);
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
342 416
343 for (p = 0; p < total_rows; p++) 417 clamp_it (screen.cur.row, 0, nrow - 1);
344 { 418 clamp_it (screen.cur.col, 0, ncol - 1);
345 if (screen.text[p]) 419 }
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)
517 { 513 {
518 case SAVE: 514 case SAVE:
519 s->s_cur.row = s->cur.row; 515 s->s_cur.row = screen.cur.row;
520 s->s_cur.col = s->cur.col; 516 s->s_cur.col = screen.cur.col;
521 s->s_rstyle = rstyle; 517 s->s_rstyle = rstyle;
522 s->s_charset = s->charset; 518 s->s_charset = screen.charset;
523 s->s_charset_char = charsets[s->charset]; 519 s->s_charset_char = charsets[screen.charset];
524 break; 520 break;
521
525 case RESTORE: 522 case RESTORE:
526 want_refresh = 1; 523 want_refresh = 1;
527 s->cur.row = s->s_cur.row; 524 screen.cur.row = s->s_cur.row;
528 s->cur.col = s->s_cur.col; 525 screen.cur.col = s->s_cur.col;
529 s->flags &= ~Screen_WrapNext; 526 screen.flags &= ~Screen_WrapNext;
530 rstyle = s->s_rstyle; 527 rstyle = s->s_rstyle;
531 s->charset = s->s_charset; 528 screen.charset = s->s_charset;
532 charsets[s->charset] = s->s_charset_char; 529 charsets[screen.charset] = s->s_charset_char;
533 set_font_style (); 530 set_font_style ();
534 break; 531 break;
535 } 532 }
533
536 /* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
537 MIN_IT(s->cur.row, TermWin.nrow - 1); 535 min_it (s->cur.row, nrow - 1);
538 MIN_IT(s->cur.col, TermWin.ncol - 1); 536 min_it (s->cur.col, ncol - 1);
539#ifdef DEBUG_STRICT
540 assert(s->cur.row >= 0); 537 assert (s->cur.row >= 0);
541 assert(s->cur.col >= 0); 538 assert (s->cur.col >= 0);
542#else /* drive with your eyes closed */ 539}
543 MAX_IT(s->cur.row, 0); 540
544 MAX_IT(s->cur.col, 0); 541void
545#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);
546} 554}
547 555
548/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
549/* 557/*
550 * Swap between primary and secondary screens 558 * Swap between primary and secondary screens
551 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 559 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
552 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 560 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
553 */ 561 */
554int 562void
555rxvt_term::scr_change_screen (int scrn) 563rxvt_term::scr_change_screen (int scrn)
556{ 564{
557 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
558#if NSCREENS 580#if NSCREENS
559 int offset; 581 if (option (Opt_secondaryScreen))
560#endif 582 {
561
562 want_refresh = 1;
563
564 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
565
566 TermWin.view_start = 0;
567
568 if (current_screen == scrn)
569 return current_screen;
570
571 selection_check (2); /* check for boundary cross */
572
573 SWAP_IT(current_screen, scrn, int);
574#if NSCREENS
575 num_scr = 0; 583 num_scr = 0;
576 offset = TermWin.saveLines; 584
577 for (i = prev_nrow; i--;) 585 scr_swap_screen ();
578 { 586
579 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 587 ::swap (screen.charset, swap.charset);
580 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 588 ::swap (screen.flags, swap.flags);
581 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *);
582 }
583 SWAP_IT(screen.cur.row, swap.cur.row, int16_t);
584 SWAP_IT(screen.cur.col, swap.cur.col, int16_t);
585# ifdef DEBUG_STRICT
586 assert((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
587 assert((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
588# else /* drive with your eyes closed */
589 MAX_IT(screen.cur.row, 0);
590 MIN_IT(screen.cur.row, (int32_t)prev_nrow - 1);
591 MAX_IT(screen.cur.col, 0);
592 MIN_IT(screen.cur.col, (int32_t)prev_ncol - 1);
593# endif
594 SWAP_IT(screen.charset, swap.charset, int16_t);
595 SWAP_IT(screen.flags, swap.flags, int);
596 screen.flags |= Screen_VisibleCursor; 589 screen.flags |= Screen_VisibleCursor;
597 swap.flags |= Screen_VisibleCursor; 590 swap.flags |= Screen_VisibleCursor;
598
599# ifdef RXVT_GRAPHICS
600
601 if (Gr_Displayed ())
602 { 591 }
603 Gr_scroll (0); 592 else
604 Gr_ChangeScreen ();
605 }
606# endif 593#endif
607#else 594 if (option (Opt_secondaryScroll))
608# ifdef SCROLL_ON_NO_SECONDARY
609# ifdef RXVT_GRAPHICS
610 if (Gr_Displayed ())
611 Gr_ClearScreen ();
612# endif
613 if (current_screen == PRIMARY
614# ifdef RXVT_GRAPHICS
615 && !Gr_Displayed ()
616# endif
617 )
618 scr_scroll_text(0, (prev_nrow - 1), prev_nrow, 0); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
619# endif 596}
620#endif 597
621 return scrn; 598// clear WrapNext indicator, solidifying position on next line
599void
600rxvt_term::scr_do_wrap () noexcept
601{
602 if (!(screen.flags & Screen_WrapNext))
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++;
622} 613}
623 614
624/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
625/* 616/*
626 * Change the colour for following text 617 * Change the colour for following text
627 */ 618 */
628void 619void
629rxvt_term::scr_color (unsigned int color, int fgbg) 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
630{ 621{
631 color &= RS_fgMask; 622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
623 color = fgbg;
624
632 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
633 rstyle = SET_FGCOLOR(rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
634 else 627 else
635 rstyle = SET_BGCOLOR(rstyle, color); 628 rstyle = SET_BGCOLOR (rstyle, color);
636} 629}
637 630
638/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
639/* 632/*
640 * Change the rendition style for following text 633 * Change the rendition style for following text
641 */ 634 */
642void 635void
643rxvt_term::scr_rendition (int set, int style) 636rxvt_term::scr_rendition (int set, int style) noexcept
644 { 637{
645 if (set) 638 if (set)
646 rstyle |= style; 639 rstyle |= style;
647 else if (style == ~RS_None) 640 else if (style == ~RS_None)
648 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
649 else 642 else
650 rstyle &= ~style; 643 rstyle &= ~style;
651 } 644}
652 645
653/* ------------------------------------------------------------------------- */ 646/* ------------------------------------------------------------------------- */
654/* 647/*
655 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
656 * count positive ==> scroll up 649 * count positive ==> scroll up
657 * count negative ==> scroll down 650 * count negative ==> scroll down
658 * spec == 0 for normal routines
659 */ 651 */
660int 652int ecb_hot
661rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
662{ 654{
663 int i, j;
664 long nscrolled;
665
666 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
667 return 0; 656 return 0;
668 657
669 want_refresh = 1; 658 want_refresh = 1;
670 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 659 num_scr += count;
671 660
672 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
673 { 670 {
674 nscrolled = (long)TermWin.nscrolled + (long)count; 671 line_t &l = ROW(row2);
675 672 l.is_longer (0);
676 if (nscrolled > (long)TermWin.saveLines) 673 l.touch ();
677 TermWin.nscrolled = TermWin.saveLines;
678 else
679 TermWin.nscrolled = (uint16_t)nscrolled;
680
681 if ((Options & Opt_scrollWithBuffer)
682 && TermWin.view_start != 0
683 && TermWin.view_start != TermWin.saveLines)
684 scr_page (UP, count);
685 } 674 }
686 else if (!spec)
687 row1 += TermWin.saveLines;
688 675
689 row2 += TermWin.saveLines; 676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
690 678
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
691 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
692 { 710 && selection.beg.row <= row2)
693 i = selection.beg.row + TermWin.saveLines;
694 j = selection.end.row + TermWin.saveLines;
695 if ((i < row1 && j > row1)
696 || (i < row2 && j > row2)
697 || (i - count < row1 && i >= row1)
698 || (i - count > row2 && i <= row2)
699 || (j - count < row1 && j >= row1)
700 || (j - count > row2 && j <= row2))
701 {
702 CLEAR_ALL_SELECTION ();
703 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
704 } 711 {
705 else if (j >= row1 && j <= row2)
706 {
707 /* move selected region too */
708 selection.beg.row -= count; 712 selection.beg.row -= count;
709 selection.end.row -= count; 713 selection.end.row -= count;
710 selection.mark.row -= count; 714 selection.mark.row -= count;
711 }
712 }
713 715
714 selection_check (0); /* _after_ TermWin.nscrolled update */ 716 selection_check (0);
715
716 num_scr += count;
717 j = count;
718
719 if (count < 0)
720 count = -count;
721
722 i = row2 - row1 + 1;
723 MIN_IT(count, i);
724
725 if (j > 0)
726 {
727 /* A: scroll up */
728
729 /* A1: Copy lines that will get clobbered by the rotation */
730 for (i = 0, j = row1; i < count; i++, j++)
731 { 717 }
732 buf_text[i] = screen.text[j]; 718
733 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)
734 } 731 {
735 /* A2: Rotate lines */ 732 if ((selection.beg.row < row1 && selection.end.row > row1)
736 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 }
737 { 751 }
738 screen.tlen[j] = screen.tlen[i]; 752
739 screen.text[j] = screen.text[i]; 753 // use a simple and robust scrolling algorithm, this
740 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)
741 } 758 {
742 j = row2 - count + 1, i = count; 759 line_t &l = ROW(row1 - 1);
743 } 760 l.is_longer (0);
744 else /* if (j < 0) */ 761 l.touch ();
745 {
746 /* B: scroll down */
747
748 /* B1: Copy lines that will get clobbered by the rotation */
749 for (i = 0, j = row2; i < count; i++, j--)
750 { 762 }
751 buf_text[i] = screen.text[j]; 763
752 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++)
753 } 771 {
754 /* B2: Rotate lines */ 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
755 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);
756 { 776 }
757 screen.tlen[j] = screen.tlen[i]; 777
758 screen.text[j] = screen.text[i]; 778 for (int row = 0; row < rows; row++)
759 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 ();
760 } 786 }
761 j = row1, i = count;
762 count = -count;
763 }
764
765 /* C: Resurrect lines */
766 for (; i--; j++)
767 { 787 }
768 screen.tlen[j] = 0;
769 screen.text[j] = buf_text[i];
770 screen.rend[j] = buf_rend[i];
771
772 if (!spec) /* line length may not equal TermWin.ncol */
773 scr_blank_screen_mem (screen.text, screen.rend,
774 (unsigned int)j, rstyle);
775 }
776
777#ifdef RXVT_GRAPHICS
778 if (Gr_Displayed ())
779 Gr_scroll (count);
780#endif
781 788
782 return count; 789 return count;
783} 790}
784 791
785/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
786/* 793/*
787 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
788 */ 795 */
789void 796void ecb_hot
790rxvt_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
791{ 798{
792 unsigned char checksel, clearsel;
793 uint32_t c;
794 int i, row, last_col;
795 text_t *stp;
796 rend_t *srp;
797
798 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
799 return; 800 return;
800 801
802 bool checksel;
803 unicode_t c;
804 int ncol = this->ncol;
805 const wchar_t *strend = str + len;
806
801 want_refresh = 1; 807 want_refresh = 1;
802 last_col = TermWin.ncol;
803
804 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
805 ZERO_SCROLLBACK(); 808 ZERO_SCROLLBACK ();
809
806 if (nlines > 0) 810 if (minlines > 0)
807 { 811 {
808 nlines += (screen.cur.row - screen.bscroll); 812 minlines += screen.cur.row - screen.bscroll;
813 min_it (minlines, screen.cur.row - top_row);
814
809 if ((nlines > 0) 815 if (minlines > 0
810 && (screen.tscroll == 0) 816 && screen.tscroll == 0
811 && (screen.bscroll == (TermWin.nrow - 1))) 817 && screen.bscroll == nrow - 1)
812 { 818 {
813 /* _at least_ this many lines need to be scrolled */ 819 /* _at least_ this many lines need to be scrolled */
814 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
815 screen.cur.row -= nlines; 821 screen.cur.row -= minlines;
816 } 822 }
817 } 823 }
818#ifdef DEBUG_STRICT 824
819 assert(screen.cur.col < last_col); 825 assert (screen.cur.col < ncol);
820 assert((screen.cur.row < TermWin.nrow) 826 assert (screen.cur.row < nrow
821 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 827 && screen.cur.row >= top_row);
822#else /* drive with your eyes closed */ 828 int row = screen.cur.row;
823 MIN_IT(screen.cur.col, last_col - 1);
824 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
825 MAX_IT(screen.cur.row, -(int32_t)TermWin.nscrolled);
826#endif
827 row = screen.cur.row + TermWin.saveLines;
828 829
829 checksel = (selection.op 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
830 && current_screen == selection.screen) ? 1 : 0;
831 clearsel = 0;
832 831
833 stp = screen.text[row]; 832 line_t *line = &ROW(row);
834 srp = screen.rend[row];
835 833
836 for (i = 0; i < len;) 834 while (str < strend)
837 { 835 {
838 c = str[i++]; 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
839 switch (c) 837
838 if (ecb_unlikely (c < 0x20))
839 if (c == C0_LF)
840 { 840 {
841 case '\t': 841 max_it (line->l, screen.cur.col);
842 scr_tab (1); 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 */
843 continue; 851 continue;
844 case '\n': 852 }
845 if (screen.tlen[row] != -1) /* XXX: think about this */ 853 else if (c == C0_CR)
846 MAX_IT(screen.tlen[row], screen.cur.col); 854 {
847 screen.flags &= ~Screen_WrapNext; 855 max_it (line->l, screen.cur.col);
848 if (screen.cur.row == screen.bscroll) 856
849 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
850 else if (screen.cur.row < (TermWin.nrow - 1))
851 row = (++screen.cur.row) + TermWin.saveLines;
852 stp = screen.text[row]; /* _must_ refresh */
853 srp = screen.rend[row]; /* _must_ refresh */
854 continue;
855 case '\r':
856 if (screen.tlen[row] != -1) /* XXX: think about this */
857 MAX_IT(screen.tlen[row], screen.cur.col);
858 screen.flags &= ~Screen_WrapNext; 857 screen.flags &= ~Screen_WrapNext;
859 screen.cur.col = 0; 858 screen.cur.col = 0;
860 continue; 859 continue;
861 default:
862 if (c == 127)
863 continue; /* yummmm..... */
864 break;
865 } 860 }
861 else if (c == C0_HT)
862 {
863 scr_tab (1, true);
864 continue;
865 }
866 866
867 if (ecb_unlikely (
867 if (checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
871 ))
870 { 872 {
871 checksel = 0; 873 checksel = 0;
872 clearsel = 1;
873 } 874 /*
874 if (screen.flags & Screen_WrapNext) 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 ();
875 { 880 }
876 screen.tlen[row] = -1;
877 if (screen.cur.row == screen.bscroll)
878 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0);
879 else if (screen.cur.row < (TermWin.nrow - 1))
880 row = (++screen.cur.row) + TermWin.saveLines;
881 stp = screen.text[row]; /* _must_ refresh */
882 srp = screen.rend[row]; /* _must_ refresh */
883 screen.cur.col = 0;
884 screen.flags &= ~Screen_WrapNext;
885 }
886 if (screen.flags & Screen_Insert)
887 scr_insdel_chars (1, INSERT);
888 881
889 if (charsets[screen.charset] == '0') // DEC SPECIAL 882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
890 switch (c)
891 { 883 {
892 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 884 scr_do_wrap ();
893 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 885
894 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break; 886 line->l = ncol;
895 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break; 887 line->is_longer (1);
896 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break; 888
897 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break; 889 row = screen.cur.row;
898 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break; 890 line = &ROW(row); /* _must_ refresh */
899 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break; 891 }
900 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break; 892
901 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break; 893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
902 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break; 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
904 {
905 // vt100 special graphics and line drawing
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
903 } 917 };
904 918
905 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 919 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
906 // rely on wcwidth to tell us the character width, at least for non-ascii 920 {
907 int width = c <= 128 ? 1 : wcwidth (c); 921 c = vt100_0[c - 0x41];
922 width = 1; // vt100 line drawing characters are always single-width
923 }
924 }
908 925
909 // width -1 characters (e.g. combining chars) are ignored currently. 926 if (ecb_unlikely (screen.flags & Screen_Insert))
927 scr_insdel_chars (width, INSERT);
928
910 if (width > 0) 929 if (width != 0)
911 do 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))
912 { 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
966 do
967 {
913 stp[screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
914 srp[screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
915 970
916 if (screen.cur.col < last_col - 1) 971 if (ecb_likely (screen.cur.col < ncol - 1))
917 screen.cur.col++; 972 screen.cur.col++;
918 else 973 else
919 { 974 {
920 screen.tlen[row] = last_col; 975 line->l = ncol;
921 if (screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
922 screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
923 break; 978
979 goto end_of_line;
924 } 980 }
925 981
926 c = NOCHAR; 982 c = NOCHAR;
927 } 983 }
928 while (--width > 0); 984 while (ecb_unlikely (--width > 0));
929 else
930 (void)0; /* handle combining character etc. here. */
931 }
932 985
933 if (screen.tlen[row] != -1) /* XXX: think about this */ 986 // pad with spaces when overwriting wide character with smaller one
934 MAX_IT(screen.tlen[row], screen.cur.col); 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 }
935 992
936 /* 993end_of_line:
937 * If we wrote anywhere in the selected area, kill the selection 994 ;
938 * XXX: should we kill the mark too? Possibly, but maybe that 995 }
939 * should be a similar check. 996#if ENABLE_COMBINING
940 */ 997 else // width == 0
941 if (clearsel) 998 {
942 CLEAR_SELECTION(); 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;
943 1008
944#ifdef DEBUG_STRICT 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 }
1022 else
1023 continue;
1024
1025 linep->touch ();
1026
1027 while (*tp == NOCHAR && tp > linep->t)
1028 tp--, rp--;
1029
1030 // first try to find a precomposed character
1031 unicode_t n = rxvt_compose (*tp, c);
1032 if (n == NOCHAR)
1033 n = rxvt_composite.compose (*tp, c);
1034
1035 *tp = n;
1036 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1037 }
1038 }
1039#endif
1040 }
1041
1042 max_it (line->l, screen.cur.col);
1043
945 assert(screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
946#else /* drive with your eyes closed */
947 MAX_IT(screen.cur.row, 0);
948#endif
949} 1045}
950 1046
951/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
952/* 1048/*
953 * 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
954 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
955 */ 1051 */
956void 1052void
957rxvt_term::scr_backspace () 1053rxvt_term::scr_backspace () noexcept
958{ 1054{
959 want_refresh = 1;
960 if (screen.cur.col == 0) 1055 if (screen.cur.col == 0)
961 { 1056 {
962 if (screen.cur.row > 0) 1057 if (screen.cur.row > 0)
963 { 1058 {
964#ifdef TERMCAP_HAS_BW 1059#ifdef TERMCAP_HAS_BW
965 screen.cur.col = TermWin.ncol - 1; 1060 screen.cur.col = ncol - 1;
966 screen.cur.row--; 1061 --screen.cur.row;
967 return;
968#endif
969 1062
1063 want_refresh = 1;
1064#endif
970 } 1065 }
971 } 1066 }
972 else if ((screen.flags & Screen_WrapNext) == 0) 1067 else if (screen.flags & Screen_WrapNext)
1068 screen.flags &= ~Screen_WrapNext;
1069 else
973 scr_gotorc (0, -1, RELATIVE); 1070 scr_gotorc (0, -1, RELATIVE);
974 screen.flags &= ~Screen_WrapNext;
975} 1071}
976 1072
977/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
978/* 1074/*
979 * Process Horizontal Tab 1075 * Process Horizontal Tab
980 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
981 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
982 */ 1078 */
983void 1079void
984rxvt_term::scr_tab (int count) 1080rxvt_term::scr_tab (int count, bool ht) noexcept
985{ 1081{
986 int i, x; 1082 int i, x;
987 1083
988 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
989 want_refresh = 1; 1084 want_refresh = 1;
990 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
1086
991 if (count == 0) 1087 if (count == 0)
992 return; 1088 return;
993 else if (count > 0) 1089 else if (count > 0)
994 { 1090 {
1091 line_t &l = ROW(screen.cur.row);
1092 rend_t base_rend = l.r[i];
1093 ht &= l.t[i] == ' ';
1094
995 for (; ++i < TermWin.ncol; ) 1095 for (; ++i < ncol; )
996 if (tabs[i]) 1096 if (tabs[i])
997 { 1097 {
998 x = i; 1098 x = i;
1099
999 if (!--count) 1100 if (!--count)
1000 break; 1101 break;
1001 } 1102 }
1103 else
1104 ht &= l.t[i] == ' '
1105 && RS_SAME (l.r[i], base_rend);
1106
1002 if (count) 1107 if (count)
1003 x = TermWin.ncol - 1; 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;
1127 }
1128 }
1004 } 1129 }
1005 else /* if (count < 0) */ 1130 else /* if (count < 0) */
1006 { 1131 {
1007 for (; --i >= 0; ) 1132 for (; --i >= 0; )
1008 if (tabs[i]) 1133 if (tabs[i])
1009 { 1134 {
1010 x = i; 1135 x = i;
1011 if (!++count) 1136 if (!++count)
1012 break; 1137 break;
1013 } 1138 }
1139
1014 if (count) 1140 if (count)
1015 x = 0; 1141 x = 0;
1016 } 1142 }
1143
1017 if (x != screen.cur.col) 1144 if (x != screen.cur.col)
1018 scr_gotorc (0, x, R_RELATIVE); 1145 scr_gotorc (0, x, R_RELATIVE);
1019} 1146}
1020 1147
1021/* ------------------------------------------------------------------------- */ 1148/* ------------------------------------------------------------------------- */
… …
1023 * Process DEC Back Index 1150 * Process DEC Back Index
1024 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1025 * 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
1026 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1027 */ 1154 */
1028#ifndef NO_FRILLS 1155#if !ENABLE_MINIMAL
1029void 1156void ecb_cold
1030rxvt_term::scr_backindex () 1157rxvt_term::scr_backindex () noexcept
1031{ 1158{
1032 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1033 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1034 else 1161 else
1035 {
1036 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1037 return; /* um, yeah? */
1038 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1039 }
1040} 1163}
1041#endif 1164#endif
1042/* ------------------------------------------------------------------------- */ 1165/* ------------------------------------------------------------------------- */
1043/* 1166/*
1044 * Process DEC Forward Index 1167 * Process DEC Forward Index
1045 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1046 * 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
1047 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1048 */ 1171 */
1049#ifndef NO_FRILLS 1172#if !ENABLE_MINIMAL
1050void 1173void ecb_cold
1051rxvt_term::scr_forwardindex () 1174rxvt_term::scr_forwardindex () noexcept
1052{ 1175{
1053 int row;
1054
1055 if (screen.cur.col < TermWin.ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1056 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1057 else 1178 else
1058 { 1179 {
1059 row = screen.cur.row + TermWin.saveLines; 1180 line_t &l = ROW(screen.cur.row);
1060 if (screen.tlen[row] == 0) 1181
1061 return; /* um, yeah? */ 1182 l.touch ();
1062 else if (screen.tlen[row] == -1) 1183 l.is_longer (0);
1063 screen.tlen[row] = TermWin.ncol; 1184
1064 scr_gotorc (0, 0, R_RELATIVE); 1185 scr_gotorc (0, 0, R_RELATIVE);
1065 scr_insdel_chars (1, DELETE); 1186 scr_insdel_chars (1, DELETE);
1066 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1187 scr_gotorc (0, ncol - 1, R_RELATIVE);
1067 } 1188 }
1068} 1189}
1069#endif 1190#endif
1070 1191
1071/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1072/* 1193/*
1073 * Goto Row/Column 1194 * Goto Row/Column
1074 */ 1195 */
1075void 1196void
1076rxvt_term::scr_gotorc (int row, int col, int relative) 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1077{ 1198{
1078 want_refresh = 1; 1199 want_refresh = 1;
1079 ZERO_SCROLLBACK(); 1200 ZERO_SCROLLBACK ();
1080#ifdef RXVT_GRAPHICS
1081 if (Gr_Displayed ())
1082 Gr_scroll (0);
1083#endif
1084 1201
1085 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));
1086
1087 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1088 : col); 1203 clamp_it (screen.cur.col, 0, ncol - 1);
1089 MAX_IT(screen.cur.col, 0);
1090 MIN_IT(screen.cur.col, (int32_t)TermWin.ncol - 1);
1091 1204
1092 screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1206
1093 if (relative & R_RELATIVE) 1207 if (relative & R_RELATIVE)
1094 { 1208 {
1095 if (row > 0) 1209 if (row > 0)
1096 { 1210 {
1097 if (screen.cur.row <= screen.bscroll 1211 if (screen.cur.row <= screen.bscroll
… …
1110 } 1224 }
1111 } 1225 }
1112 else 1226 else
1113 { 1227 {
1114 if (screen.flags & Screen_Relative) 1228 if (screen.flags & Screen_Relative)
1229 {
1115 { /* relative origin mode */ 1230 /* relative origin mode */
1116 screen.cur.row = row + screen.tscroll; 1231 screen.cur.row = row + screen.tscroll;
1117 MIN_IT(screen.cur.row, screen.bscroll); 1232 min_it (screen.cur.row, screen.bscroll);
1118 } 1233 }
1119 else 1234 else
1120 screen.cur.row = row; 1235 screen.cur.row = row;
1121 } 1236 }
1122 MAX_IT(screen.cur.row, 0);
1123 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
1124}
1125 1237
1238 clamp_it (screen.cur.row, 0, nrow - 1);
1239}
1240
1126/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1127/* 1242/*
1128 * direction should be UP or DN 1243 * direction should be UP or DN
1129 */ 1244 */
1130void 1245void
1131rxvt_term::scr_index (enum page_dirn direction) 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1132{ 1247{
1133 int dirn;
1134
1135 want_refresh = 1; 1248 want_refresh = 1;
1136 dirn = ((direction == UP) ? 1 : -1);
1137 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1138
1139 ZERO_SCROLLBACK(); 1249 ZERO_SCROLLBACK ();
1140
1141#ifdef RXVT_GRAPHICS
1142 if (Gr_Displayed ())
1143 Gr_scroll (0);
1144#endif
1145 1250
1146 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1252
1147 if ((screen.cur.row == screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1148 || (screen.cur.row == screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1149 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1150 else 1256 else
1151 screen.cur.row += dirn; 1257 screen.cur.row += direction;
1152 MAX_IT(screen.cur.row, 0); 1258
1153 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1154 selection_check (0); 1260 selection_check (0);
1155} 1261}
1156 1262
1157/* ------------------------------------------------------------------------- */ 1263/* ------------------------------------------------------------------------- */
1158/* 1264/*
1159 * Erase part or whole of a line 1265 * Erase part or whole of a line
1160 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1266 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1161 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1162 * 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
1163 */ 1270 */
1164void 1271void
1165rxvt_term::scr_erase_line (int mode) 1272rxvt_term::scr_erase_line (int mode) noexcept
1166{ 1273{
1167 unsigned int row, col, num; 1274 unsigned int col, num;
1168 1275
1169 want_refresh = 1; 1276 want_refresh = 1;
1170 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1171 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
1172 1278
1173#ifdef RXVT_GRAPHICS
1174 if (Gr_Displayed ())
1175 Gr_scroll (0);
1176#endif
1177
1178 selection_check (1); 1279 selection_check (1);
1179 1280
1180 screen.flags &= ~Screen_WrapNext; 1281 line_t &line = ROW(screen.cur.row);
1181 1282
1182 row = TermWin.saveLines + screen.cur.row; 1283 line.touch ();
1284 line.is_longer (0);
1285
1183 switch (mode) 1286 switch (mode)
1184 { 1287 {
1288 case 3:
1289 if (screen.flags & Screen_WrapNext)
1290 return;
1291
1292 /* fall through */
1293
1185 case 0: /* erase to end of line */ 1294 case 0: /* erase to end of line */
1186 col = screen.cur.col; 1295 col = screen.cur.col;
1187 num = TermWin.ncol - col; 1296 num = ncol - col;
1188 MIN_IT(screen.tlen[row], (int16_t)col); 1297 min_it (line.l, col);
1298
1189 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1299 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1190 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1300 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1191 CLEAR_SELECTION(); 1301 CLEAR_SELECTION ();
1192 break; 1302 break;
1303
1193 case 1: /* erase to beginning of line */ 1304 case 1: /* erase to beginning of line */
1194 col = 0; 1305 col = 0;
1195 num = screen.cur.col + 1; 1306 num = screen.cur.col + 1;
1307
1196 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1308 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1197 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1309 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1198 CLEAR_SELECTION(); 1310 CLEAR_SELECTION ();
1199 break; 1311 break;
1312
1200 case 2: /* erase whole line */ 1313 case 2: /* erase whole line */
1201 col = 0; 1314 col = 0;
1202 num = TermWin.ncol; 1315 num = ncol;
1203 screen.tlen[row] = 0; 1316 line.l = 0;
1204 if (selection.beg.row <= screen.cur.row 1317 if (selection.beg.row <= screen.cur.row
1205 && selection.end.row >= screen.cur.row) 1318 && selection.end.row >= screen.cur.row)
1206 CLEAR_SELECTION(); 1319 CLEAR_SELECTION ();
1207 break; 1320 break;
1208 default: 1321 default:
1209 return; 1322 return;
1210 } 1323 }
1211 1324
1212 if (screen.text[row]) 1325 scr_blank_line (line, col, num, rstyle);
1213 scr_blank_line (&(screen.text[row][col]),
1214 &(screen.rend[row][col]), num, rstyle);
1215 else
1216 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1217} 1326}
1218 1327
1219/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1220/* 1329/*
1221 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1222 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1223 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1224 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1225 */ 1334 */
1226void 1335void
1227rxvt_term::scr_erase_screen (int mode) 1336rxvt_term::scr_erase_screen (int mode) noexcept
1228{ 1337{
1229 int num; 1338 int num;
1230 int32_t row, row_offset; 1339 int32_t row;
1231 rend_t ren; 1340 rend_t ren;
1232 XGCValues gcvalue; 1341 XGCValues gcvalue;
1233 1342
1234 want_refresh = 1; 1343 want_refresh = 1;
1235 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1236 ZERO_SCROLLBACK (); 1344 ZERO_SCROLLBACK ();
1237 row_offset = (int32_t)TermWin.saveLines;
1238 1345
1239 switch (mode) 1346 switch (mode)
1240 { 1347 {
1241 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1242 selection_check (1);
1243 scr_erase_line (0); 1349 scr_erase_line (0);
1244 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1245 num = TermWin.nrow - row; 1351 num = nrow - row;
1246 break; 1352 break;
1247 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1248 selection_check (3);
1249 scr_erase_line (1); 1354 scr_erase_line (1);
1250 row = 0; 1355 row = 0;
1251 num = screen.cur.row; 1356 num = screen.cur.row;
1252 break; 1357 break;
1253 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1254 selection_check (3);
1255#ifdef RXVT_GRAPHICS
1256 Gr_ClearScreen ();
1257#endif
1258 row = 0; 1359 row = 0;
1259 num = TermWin.nrow; 1360 num = nrow;
1260 break; 1361 break;
1261 default: 1362 default:
1262 return; 1363 return;
1263 } 1364 }
1264 refresh_type |= REFRESH_BOUNDS; 1365
1265 if (selection.op && current_screen == selection.screen 1366 if (selection.op && current_screen == selection.screen
1266 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1367 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1267 || (selection.end.row >= row 1368 || (selection.end.row >= row
1268 && selection.end.row <= row + num))) 1369 && selection.end.row <= row + num)))
1269 CLEAR_SELECTION (); 1370 CLEAR_SELECTION ();
1371
1270 if (row >= TermWin.nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1271 return; 1373 return;
1272 MIN_IT(num, (TermWin.nrow - row)); 1374
1375 min_it (num, nrow - row);
1376
1273 if (rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1274 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1275 else if (GET_BASEBG(rstyle) == Color_bg) 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1276 { 1380 {
1277 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1278 CLEAR_ROWS(row, num); 1382
1383 if (mapped)
1384 XClearArea (dpy, vt, 0,
1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num), False);
1279 } 1387 }
1280 else 1388 else
1281 { 1389 {
1282 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1391
1392 if (mapped)
1393 {
1283 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1284 XChangeGC(display->display, TermWin.gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1285 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));
1286 gcvalue.foreground = PixColors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1287 XChangeGC(display->display, TermWin.gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1288 } 1403 }
1404
1289 for (; num--; row++) 1405 for (; num--; row++)
1290 { 1406 {
1291 scr_blank_screen_mem (screen.text, screen.rend, 1407 scr_blank_screen_mem (ROW(row), rstyle);
1292 (unsigned int)(row + row_offset), rstyle); 1408
1293 screen.tlen[row + row_offset] = 0; 1409 if (row - view_start < nrow)
1294 scr_blank_line (drawn_text[row], drawn_rend[row], 1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1295 (unsigned int)TermWin.ncol, ren);
1296 } 1411 }
1297} 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
1298 1424
1299/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1300/* 1426/*
1301 * Fill the screen with `E's 1427 * Fill the screen with `E's
1302 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1303 */ 1429 */
1304void 1430void ecb_cold
1305rxvt_term::scr_E () 1431rxvt_term::scr_E () noexcept
1306{ 1432{
1307 int i, j, k; 1433 rend_t fs;
1308 rend_t *r1, fs;
1309 1434
1310 want_refresh = 1; 1435 want_refresh = 1;
1436 ZERO_SCROLLBACK ();
1437
1311 num_scr_allow = 0; 1438 num_scr_allow = 0;
1312 ZERO_SCROLLBACK();
1313 selection_check (3);
1314 1439
1440 row_col_t pos;
1441 pos.row = pos.col = 0;
1442 if (ROWCOL_IS_AFTER (selection.end, pos))
1443 CLEAR_SELECTION ();
1444
1315 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1316 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) 1446 for (int row = nrow; row--; )
1317 { 1447 {
1318 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1448 line_t &line = ROW(row);
1449
1319 fill_text (screen.text[k], 'E', TermWin.ncol); 1450 fill_text (line.t, 'E', ncol);
1320 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1451 rend_t *r1 = line.r;
1452
1453 for (int j = ncol; j--; )
1321 *r1++ = fs; 1454 *r1++ = fs;
1455
1456 line.is_longer (0);
1457 line.touch (ncol);
1322 } 1458 }
1323} 1459}
1324 1460
1325/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1326/* 1462/*
1327 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1328 */ 1464 */
1329void 1465void
1330rxvt_term::scr_insdel_lines (int count, int insdel) 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1331{ 1467{
1332 int end; 1468 int end;
1333 1469
1334 ZERO_SCROLLBACK(); 1470 ZERO_SCROLLBACK ();
1335
1336#ifdef RXVT_GRAPHICS
1337 if (Gr_Displayed ())
1338 Gr_scroll (0);
1339#endif
1340 1471
1341 selection_check (1); 1472 selection_check (1);
1342 1473
1343 if (screen.cur.row > screen.bscroll) 1474 if (screen.cur.row > screen.bscroll)
1344 return; 1475 return;
… …
1349 if (insdel == DELETE) 1480 if (insdel == DELETE)
1350 return; 1481 return;
1351 else if (insdel == INSERT) 1482 else if (insdel == INSERT)
1352 count = end; 1483 count = end;
1353 } 1484 }
1354 screen.flags &= ~Screen_WrapNext;
1355 1485
1486 scr_do_wrap ();
1487
1356 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1488 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1357} 1489}
1358 1490
1359/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1360/* 1492/*
1361 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1362 */ 1494 */
1363void 1495void
1364rxvt_term::scr_insdel_chars (int count, int insdel) 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1365{ 1497{
1366 int col, row;
1367 rend_t tr;
1368 text_t *stp;
1369 rend_t *srp;
1370 int16_t *slp;
1371
1372 want_refresh = 1; 1498 want_refresh = 1;
1373 ZERO_SCROLLBACK(); 1499 ZERO_SCROLLBACK ();
1374
1375#ifdef RXVT_GRAPHICS
1376 if (Gr_Displayed ())
1377 Gr_scroll (0);
1378#endif
1379 1500
1380 if (count <= 0) 1501 if (count <= 0)
1381 return; 1502 return;
1382 1503
1504 scr_do_wrap ();
1505
1383 selection_check (1); 1506 selection_check (1);
1384 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1507 min_it (count, ncol - screen.cur.col);
1385 1508
1386 row = screen.cur.row + TermWin.saveLines; 1509 int row = screen.cur.row;
1387 screen.flags &= ~Screen_WrapNext;
1388 1510
1389 stp = screen.text[row]; 1511 line_t *line = &ROW(row);
1390 srp = screen.rend[row]; 1512
1391 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
1392 switch (insdel) 1520 switch (insdel)
1393 { 1521 {
1394 case INSERT: 1522 case INSERT:
1395 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1523 line->l = min (line->l + count, ncol);
1396 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--)
1397 { 1529 {
1398 stp[col] = stp[col - count]; 1530 line->t[col] = line->t[col - count];
1399 srp[col] = srp[col - count]; 1531 line->r[col] = line->r[col - count];
1400 } 1532 }
1401 if (*slp != -1) 1533
1402 {
1403 *slp += count;
1404 MIN_IT(*slp, TermWin.ncol);
1405 }
1406 if (selection.op && current_screen == selection.screen 1534 if (selection.op && current_screen == selection.screen
1407 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) 1535 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1408 { 1536 {
1409 if (selection.end.row != screen.cur.row 1537 if (selection.end.row != screen.cur.row
1410 || (selection.end.col + count >= TermWin.ncol)) 1538 || (selection.end.col + count >= ncol))
1411 CLEAR_SELECTION(); 1539 CLEAR_SELECTION ();
1412 else 1540 else
1541 {
1413 { /* shift selection */ 1542 /* shift selection */
1414 selection.beg.col += count; 1543 selection.beg.col += count;
1415 selection.mark.col += count; /* XXX: yes? */ 1544 selection.mark.col += count; /* XXX: yes? */
1416 selection.end.col += count; 1545 selection.end.col += count;
1417 } 1546 }
1418 } 1547 }
1419 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1548
1420 (unsigned int)count, rstyle); 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1421 break; 1550 break;
1551
1422 case ERASE: 1552 case ERASE:
1423 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1553 screen.cur.col += count; /* don't worry if > ncol */
1424 selection_check (1); 1554 selection_check (1);
1425 screen.cur.col -= count; 1555 screen.cur.col -= count;
1426 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1556
1427 (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);
1428 break; 1562 break;
1563
1429 case DELETE: 1564 case DELETE:
1430 tr = srp[TermWin.ncol - 1] 1565 line->l = max (line->l - count, 0);
1431 & (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
1432 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) 1571 for (int col = screen.cur.col; (col + count) < ncol; col++)
1433 { 1572 {
1434 stp[col] = stp[col + count]; 1573 line->t[col] = line->t[col + count];
1435 srp[col] = srp[col + count]; 1574 line->r[col] = line->r[col + count];
1436 } 1575 }
1437 scr_blank_line (&(stp[TermWin.ncol - count]), 1576
1438 &(srp[TermWin.ncol - count]), 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1439 (unsigned int)count, tr); 1578
1440 if (*slp == -1) /* break line continuation */
1441 *slp = TermWin.ncol;
1442 *slp -= count;
1443 MAX_IT(*slp, 0);
1444 if (selection.op && current_screen == selection.screen 1579 if (selection.op && current_screen == selection.screen
1445 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1446 { 1581 {
1447 if (selection.end.row != screen.cur.row 1582 if (selection.end.row != screen.cur.row
1448 || (screen.cur.col >= selection.beg.col - count) 1583 || (screen.cur.col >= selection.beg.col - count)
1449 || selection.end.col >= TermWin.ncol) 1584 || selection.end.col >= ncol)
1450 CLEAR_SELECTION(); 1585 CLEAR_SELECTION ();
1451 else 1586 else
1452 { 1587 {
1453 /* shift selection */ 1588 /* shift selection */
1454 selection.beg.col -= count; 1589 selection.beg.col -= count;
1455 selection.mark.col -= count; /* XXX: yes? */ 1590 selection.mark.col -= count; /* XXX: yes? */
1456 selection.end.col -= count; 1591 selection.end.col -= count;
1457 } 1592 }
1458 } 1593 }
1594
1459 break; 1595 break;
1460 } 1596 }
1461} 1597}
1462 1598
1463/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1464/* 1600/*
1465 * Set the scrolling region 1601 * Set the scrolling region
1466 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1467 */ 1603 */
1468void 1604void ecb_cold
1469rxvt_term::scr_scroll_region (int top, int bot) 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1470{ 1606{
1471 MAX_IT(top, 0); 1607 max_it (top, 0);
1472 MIN_IT(bot, (int)TermWin.nrow - 1); 1608 min_it (bot, nrow - 1);
1609
1473 if (top > bot) 1610 if (top > bot)
1474 return; 1611 return;
1612
1475 screen.tscroll = top; 1613 screen.tscroll = top;
1476 screen.bscroll = bot; 1614 screen.bscroll = bot;
1477 scr_gotorc (0, 0, 0); 1615 scr_gotorc (0, 0, 0);
1478} 1616}
1479 1617
… …
1481/* 1619/*
1482 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1483 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1484 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1485 */ 1623 */
1486void 1624void ecb_cold
1487rxvt_term::scr_cursor_visible (int mode) 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1488{ 1626{
1489 want_refresh = 1; 1627 want_refresh = 1;
1628
1490 if (mode) 1629 if (mode)
1491 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1492 else 1631 else
1493 screen.flags &= ~Screen_VisibleCursor; 1632 screen.flags &= ~Screen_VisibleCursor;
1494} 1633}
… …
1497/* 1636/*
1498 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1499 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1500 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1501 */ 1640 */
1502void 1641void ecb_cold
1503rxvt_term::scr_autowrap (int mode) 1642rxvt_term::scr_autowrap (int mode) noexcept
1504{ 1643{
1505 if (mode) 1644 if (mode)
1506 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1507 else 1646 else
1508 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1516 * 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
1517 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1518 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1519 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1520 */ 1659 */
1521void 1660void ecb_cold
1522rxvt_term::scr_relative_origin (int mode) 1661rxvt_term::scr_relative_origin (int mode) noexcept
1523{ 1662{
1524 if (mode) 1663 if (mode)
1525 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1526 else 1665 else
1527 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1667
1528 scr_gotorc (0, 0, 0); 1668 scr_gotorc (0, 0, 0);
1529} 1669}
1530 1670
1531/* ------------------------------------------------------------------------- */ 1671/* ------------------------------------------------------------------------- */
1532/* 1672/*
1533 * Set insert/replace mode 1673 * Set insert/replace mode
1534 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1535 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1536 */ 1676 */
1537void 1677void ecb_cold
1538rxvt_term::scr_insert_mode (int mode) 1678rxvt_term::scr_insert_mode (int mode) noexcept
1539{ 1679{
1540 if (mode) 1680 if (mode)
1541 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1542 else 1682 else
1543 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
… …
1548 * Set/Unset tabs 1688 * Set/Unset tabs
1549 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1550 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1551 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1552 */ 1692 */
1553void 1693void ecb_cold
1554rxvt_term::scr_set_tab (int mode) 1694rxvt_term::scr_set_tab (int mode) noexcept
1555{ 1695{
1556 if (mode < 0) 1696 if (mode < 0)
1557 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1697 memset (tabs, 0, ncol);
1558 else if (screen.cur.col < TermWin.ncol) 1698 else if (screen.cur.col < ncol)
1559 tabs[screen.cur.col] = (mode ? 1 : 0); 1699 tabs [screen.cur.col] = !!mode;
1560} 1700}
1561 1701
1562/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1563/* 1703/*
1564 * Set reverse/normal video 1704 * Set reverse/normal video
1565 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1566 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1567 */ 1707 */
1568void 1708void
1569rxvt_term::scr_rvideo_mode (int mode) 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1570{ 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
1571 XGCValues gcvalue; 1735 XGCValues gcvalue;
1572
1573 if (rvideo != mode)
1574 {
1575 rvideo = mode;
1576 SWAP_IT(PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1577#if defined(XPM_BACKGROUND)
1578 if (bgPixmap.pixmap == None)
1579#endif
1580#if defined(TRANSPARENT)
1581 if (!(Options & Opt_transparent) || am_transparent == 0)
1582#endif
1583 XSetWindowBackground(display->display, TermWin.vt,
1584 PixColors[Color_bg]);
1585
1586 gcvalue.foreground = PixColors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1587 gcvalue.background = PixColors[Color_bg]; 1737 gcvalue.background = pix_colors[Color_bg];
1588 XChangeGC(display->display, TermWin.gc, GCBackground | GCForeground, 1738 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1589 &gcvalue); 1739
1590 scr_clear (); 1740 scr_clear ();
1591 scr_touch (true); 1741 scr_touch (true);
1592 } 1742 }
1593} 1743}
1594 1744
1595/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1596/* 1746/*
1597 * Report current cursor position 1747 * Report current cursor position
1598 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1599 */ 1749 */
1600void 1750void ecb_cold
1601rxvt_term::scr_report_position () 1751rxvt_term::scr_report_position () noexcept
1602{ 1752{
1603 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);
1604} 1754}
1605 1755
1606/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1607 * FONTS * 1757 * FONTS *
1608 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1609 1759
1610/* 1760/*
1611 * Set font style 1761 * Set font style
1612 */ 1762 */
1613void 1763void ecb_cold
1614rxvt_term::set_font_style () 1764rxvt_term::set_font_style () noexcept
1615{ 1765{
1766#if 0
1616 switch (charsets[screen.charset]) 1767 switch (charsets [screen.charset])
1617 { 1768 {
1618 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1619 break; 1770 break;
1620 case 'A': /* United Kingdom (UK) */ 1771 case 'A': /* United Kingdom (UK) */
1621 break; 1772 break;
… …
1628 case 'C': /* Finnish character set */ 1779 case 'C': /* Finnish character set */
1629 break; 1780 break;
1630 case 'K': /* German character set */ 1781 case 'K': /* German character set */
1631 break; 1782 break;
1632 } 1783 }
1784#endif
1633} 1785}
1634 1786
1635/* ------------------------------------------------------------------------- */ 1787/* ------------------------------------------------------------------------- */
1636/* 1788/*
1637 * Choose a font 1789 * Choose a font
1638 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1639 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1640 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1641 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1642 */ 1794 */
1643void 1795void ecb_cold
1644rxvt_term::scr_charset_choose (int set) 1796rxvt_term::scr_charset_choose (int set) noexcept
1645 { 1797{
1646 screen.charset = set; 1798 screen.charset = set;
1647 set_font_style (); 1799 set_font_style ();
1648 } 1800}
1649 1801
1650/* ------------------------------------------------------------------------- */ 1802/* ------------------------------------------------------------------------- */
1651/* 1803/*
1652 * Set a font 1804 * Set a font
1653 * XTERM_SEQ: Set G0 character set: ESC ( <C> 1805 * XTERM_SEQ: Set G0 character set: ESC ( <C>
… …
1655 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1656 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1657 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1658 */ 1810 */
1659void 1811void
1660rxvt_term::scr_charset_set (int set, unsigned int ch) 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1661 { 1813{
1662 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1663 set_font_style (); 1815 set_font_style ();
1664 } 1816}
1665 1817
1666 1818
1667/* ------------------------------------------------------------------------- * 1819/* ------------------------------------------------------------------------- *
1668 * MAJOR SCREEN MANIPULATION * 1820 * MAJOR SCREEN MANIPULATION *
1669 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1670 1822
1671/* 1823/*
1672 * refresh matching text. 1824 * refresh matching text.
1673 */ 1825 */
1674bool 1826bool ecb_cold
1675rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1676{ 1828{
1677 bool found = false; 1829 bool found = false;
1678 1830
1679 for (int i = 0; i < TermWin.nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1680 { 1832 {
1681 int col = 0;
1682 rend_t *drp = drawn_rend [i]; 1833 rend_t *drp = drawn_buf[i].r;
1683 1834
1684 for (; col < TermWin.ncol; col++, drp++) 1835 for (int col = 0; col < ncol; col++, drp++)
1685 if ((*drp & mask) == value) 1836 if ((*drp & mask) == value)
1686 { 1837 {
1687 found = true; 1838 found = true;
1688 *drp = ~value; 1839 *drp = ~value;
1689 } 1840 }
… …
1699 PART_BEG = 0, 1850 PART_BEG = 0,
1700 PART_END, 1851 PART_END,
1701 RC_COUNT 1852 RC_COUNT
1702}; 1853};
1703 1854
1704void 1855void ecb_hot
1705rxvt_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
1706{ 1857{
1707 int i; 1858 int i;
1708 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1709 1860
1710 if (drawn_text == NULL) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1711 return; 1862 return;
1712 1863
1713#ifdef DEBUG_STRICT 1864#ifndef NO_SLOW_LINK_SUPPORT
1714 x = max(x, (int)TermWin.int_bwidth); 1865 if (refresh_type == FAST_REFRESH && !display->is_local)
1715 x = min(x, (int)TermWin.width); 1866 {
1716 y = max(y, (int)TermWin.int_bwidth); 1867 y = 0;
1717 y = min(y, (int)TermWin.height); 1868 eheight = height;
1869 }
1718#endif 1870#endif
1719 1871
1720 /* round down */ 1872 /* round down */
1721 rc[PART_BEG].col = Pixel2Col(x); 1873 rc[PART_BEG].col = Pixel2Col (x);
1722 rc[PART_BEG].row = Pixel2Row(y); 1874 rc[PART_BEG].row = Pixel2Row (y);
1723 /* round up */ 1875 /* round up */
1724 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1876 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1725 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1877 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1726 1878
1727 /* sanity checks */ 1879 /* sanity checks */
1728 for (i = PART_BEG; i < RC_COUNT; i++) 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1729 { 1881 {
1730 MIN_IT(rc[i].col, TermWin.ncol - 1); 1882 min_it (rc[i].col, ncol - 1);
1731 MIN_IT(rc[i].row, TermWin.nrow - 1); 1883 min_it (rc[i].row, nrow - 1);
1732 } 1884 }
1733
1734 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));
1735 1885
1736 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++)
1737 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);
1738 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1888
1889 num_scr_allow = 0;
1739 1890
1740 if (refresh) 1891 if (refresh)
1741 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1892 scr_refresh ();
1742} 1893}
1743 1894
1744/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1745/* 1896/*
1746 * Refresh the entire screen 1897 * Refresh the entire screen
1747 */ 1898 */
1748void 1899void
1749rxvt_term::scr_touch (bool refresh) 1900rxvt_term::scr_touch (bool refresh) noexcept
1750{ 1901{
1751 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1752} 1903}
1753 1904
1754/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1755/* 1906/*
1756 * 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
1757 * the top of the screen 1908 * the top of the screen
1758 */ 1909 */
1759int 1910void
1760rxvt_term::scr_move_to (int y, int len) 1911rxvt_term::scr_move_to (int y, int len) noexcept
1761{ 1912{
1762 long p = 0; 1913 // lerp (y, 0, len, top_row, nrow - 1)
1763 uint16_t oldviewstart; 1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1764
1765 oldviewstart = TermWin.view_start;
1766 if (y < len)
1767 {
1768 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1769 p -= (long)(TermWin.nrow - 1);
1770 p = max(p, 0);
1771 }
1772 TermWin.view_start = (uint16_t)min(p, TermWin.nscrolled);
1773 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, TermWin.view_start));
1774
1775 return scr_changeview (oldviewstart);
1776} 1915}
1777 1916
1778/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1779/* 1918/*
1780 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1781 * direction should be UP or DN 1920 * direction should be UP or DN
1782 */ 1921 */
1783int 1922bool
1784rxvt_term::scr_page (enum page_dirn direction, int nlines) 1923rxvt_term::scr_page (int nlines) noexcept
1785{ 1924{
1786 int n;
1787 uint16_t oldviewstart;
1788
1789 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1790#ifdef DEBUG_STRICT
1791 assert((nlines >= 0) && (nlines <= TermWin.nrow));
1792#endif
1793 oldviewstart = TermWin.view_start;
1794 if (direction == UP)
1795 {
1796 n = TermWin.view_start + nlines;
1797 TermWin.view_start = min(n, TermWin.nscrolled);
1798 }
1799 else
1800 {
1801 n = TermWin.view_start - nlines;
1802 TermWin.view_start = max(n, 0);
1803 }
1804 return scr_changeview (oldviewstart); 1925 return scr_changeview (view_start - nlines);
1805} 1926}
1806 1927
1807int 1928bool
1808rxvt_term::scr_changeview (uint16_t oldviewstart) 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1809{ 1930{
1931 clamp_it (new_view_start, top_row, 0);
1932
1810 if (TermWin.view_start != oldviewstart) 1933 if (new_view_start == view_start)
1811 { 1934 return false;
1935
1936 num_scr += new_view_start - view_start;
1937 view_start = new_view_start;
1812 want_refresh = 1; 1938 want_refresh = 1;
1813#ifdef RXVT_GRAPHICS
1814 if (Gr_Displayed ())
1815 Gr_scroll (0);
1816#endif
1817 num_scr -= (TermWin.view_start - oldviewstart);
1818 }
1819 return (int)(TermWin.view_start - oldviewstart);
1820}
1821 1939
1822/* ------------------------------------------------------------------------- */ 1940 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1823void 1941
1824rxvt_term::scr_bell () 1942 return true;
1825{ 1943}
1944
1826#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
1827# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1828# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1829 if (Options & Opt_mapAlert) 1963 if (option (Opt_mapAlert))
1830# endif 1964# endif
1831 XMapWindow(display->display, TermWin.parent[0]); 1965 XMapWindow (dpy, parent);
1832# endif 1966# endif
1967
1968# if ENABLE_FRILLS
1969 if (option (Opt_urgentOnBell))
1970 set_urgency (1);
1971# endif
1972
1833 if (Options & Opt_visualBell) 1973 if (option (Opt_visualBell))
1834 { 1974 {
1835 scr_rvideo_mode (!rvideo); /* refresh also done */ 1975 rvideo_bell = true;
1836 scr_rvideo_mode (!rvideo); /* refresh also done */ 1976 scr_rvideo_mode (rvideo_mode);
1977 flush ();
1978
1979 bell_ev.start (VISUAL_BELL_DURATION);
1837 } 1980 }
1838 else 1981 else
1839 XBell(display->display, 0); 1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1840#endif 1984#endif
1841} 1985}
1842 1986
1843/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1844/* ARGSUSED */ 1988void ecb_cold
1845void
1846rxvt_term::scr_printscreen (int fullhist) 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1847{ 1990{
1848#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1849 int i, r1, nrows, row_offset; 1992 int nrows, row_start;
1850 text_t *t; 1993 FILE *fd = popen_printer ();
1851 FILE *fd;
1852 1994
1853 if ((fd = popen_printer ()) == NULL) 1995 if (!fd)
1854 return; 1996 return;
1855 nrows = TermWin.nrow; 1997
1856 row_offset = TermWin.saveLines;
1857 if (!fullhist) 1998 if (fullhist)
1858 row_offset -= TermWin.view_start; 1999 {
2000 nrows = nrow - top_row;
2001 row_start = top_row;
2002 }
1859 else 2003 else
1860 { 2004 {
1861 nrows += TermWin.nscrolled; 2005 nrows = nrow;
1862 row_offset -= TermWin.nscrolled; 2006 row_start = view_start;
1863 }
1864
1865 for (r1 = 0; r1 < nrows; r1++)
1866 { 2007 }
1867 t = screen.text[r1 + row_offset]; 2008
1868 for (i = TermWin.ncol - 1; i >= 0; i--) 2009 wctomb (0, 0);
1869 if (!isspace(t[i])) 2010
1870 break; 2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1871 fprintf(fd, "%.*s\n", (i + 1), t);
1872 } 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
1873 pclose_printer (fd); 2037 pclose_printer (fd);
1874#endif 2038#endif
1875} 2039}
1876 2040
1877/* ------------------------------------------------------------------------- */ 2041/* ------------------------------------------------------------------------- */
1878/* 2042/*
1879 * Refresh the screen 2043 * Refresh the screen
1880 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
1881 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
1882 */ 2046 */
1883 2047void ecb_hot
1884#define FONT_WIDTH(X, Y) \ 2048rxvt_term::scr_refresh () noexcept
1885 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1886#define FONT_RBEAR(X, Y) \
1887 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1888#define FONT_LBEAR(X, Y) \
1889 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1890#define IS_FONT_CHAR(X, Y) \
1891 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1892
1893void
1894rxvt_term::scr_refresh (unsigned char refresh_type)
1895{ 2049{
1896 unsigned char clearfirst, /* first character writes before cell */
1897 clearlast, /* last character writes beyond cell */
1898 must_clear, /* use draw_string not draw_image_string */
1899 rvid, /* reverse video this position */
1900 showcursor; /* show the cursor */
1901 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
1902 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
1903 int cursorwidth;
1904 int i, /* tmp */ 2052 int i; /* tmp */
1905 row_offset; /* basic offset in screen structure */ 2053 rend_t ccol1, /* Cursor colour */
1906#ifndef NO_CURSORCOLOR 2054 ccol2; /* Cursor colour2 */
1907 rend_t cc1; /* store colours at cursor position(s) */ 2055 rend_t cur_rend;
1908#endif 2056 int cur_col;
1909 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2057 int cursorwidth;
1910 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1911 2058
2059 want_refresh = 0; /* screen is current */
2060
1912 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2061 if (refresh_type == NO_REFRESH || !mapped)
1913 return; 2062 return;
1914 2063
1915 /* 2064 /*
1916 * A: set up vars 2065 * A: set up vars
1917 */ 2066 */
1918 clearfirst = clearlast = must_clear = 0;
1919
1920 refresh_count = 0; 2067 refresh_count = 0;
1921 2068
1922 row_offset = TermWin.saveLines - TermWin.view_start; 2069 unsigned int old_screen_flags = screen.flags;
1923 2070 bool have_bg = 0;
1924 if ((refresh_type & REFRESH_BOUNDS)) 2071#ifdef HAVE_IMG
1925 { 2072 have_bg = bg_img != 0;
1926 clearfirst = clearlast = 1;
1927 refresh_type &= ~REFRESH_BOUNDS;
1928 }
1929
1930#ifdef XPM_BACKGROUND
1931 must_clear |= (bgPixmap.pixmap != None);
1932#endif
1933#ifdef TRANSPARENT
1934 must_clear |= ((Options & Opt_transparent) && am_transparent);
1935#endif 2073#endif
1936 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1937 2075
1938 /* 2076 /*
1939 * B: reverse any characters which are selected 2077 * B: reverse any characters which are selected
1940 */ 2078 */
1941 scr_reverse_selection (); 2079 scr_reverse_selection ();
1942 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
1943 /* 2088 /*
1944 * C: set the cursor character(s) 2089 * C: set the cursor character (s)
1945 */ 2090 */
1946 { 2091 {
1947 unsigned char setoldcursor;
1948 rend_t ccol1, /* Cursor colour */
1949 ccol2; /* Cursor colour2 */
1950
1951 showcursor = (screen.flags & Screen_VisibleCursor);
1952 cursorwidth = 0;
1953#ifdef CURSOR_BLINK 2092#ifdef CURSOR_BLINK
1954 if (hidden_cursor) 2093 if (hidden_cursor)
1955 showcursor = 0; 2094 showcursor = 0;
1956#endif 2095#endif
1957 2096
1958 cursorwidth = 0;
1959
1960 if (showcursor) 2097 if (showcursor)
1961 { 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)
1962 cursorwidth++; 2107 cursorwidth++;
1963 2108
1964 srp = &(screen.rend[screen.cur.row + TermWin.saveLines] 2109 cur_rend = ROW(screen.cur.row).r[col];
1965 [screen.cur.col]); 2110 cur_col = col;
1966 2111
1967 if (showcursor && TermWin.focus) 2112#ifndef NO_CURSORCOLOR
2113 if (ISSET_PIXCOLOR (Color_cursor))
2114 ccol1 = Color_cursor;
2115 else
2116#endif
2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2118 ccol1 = fgcolor_of (rstyle);
2119#else
2120 ccol1 = Color_fg;
2121#endif
2122
2123#ifndef NO_CURSORCOLOR
2124 if (ISSET_PIXCOLOR (Color_cursor2))
2125 ccol2 = Color_cursor2;
2126 else
2127#endif
2128#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2129 ccol2 = bgcolor_of (rstyle);
2130#else
2131 ccol2 = Color_bg;
2132#endif
2133
2134 if (focus && cursor_type == 0)
1968 { 2135 {
2136 rend_t rend = cur_rend;
2137
1969 *srp ^= RS_RVid; 2138 rend ^= RS_RVid;
1970#ifndef NO_CURSORCOLOR
1971 cc1 = *srp & (RS_fgMask | RS_bgMask);
1972 if (ISSET_PIXCOLOR (Color_cursor))
1973 ccol1 = Color_cursor;
1974 else
1975#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1976 ccol1 = GET_FGCOLOR(rstyle);
1977#else
1978 ccol1 = Color_fg;
1979#endif
1980 if (ISSET_PIXCOLOR (Color_cursor2))
1981 ccol2 = Color_cursor2;
1982 else
1983#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1984 ccol2 = GET_BGCOLOR(rstyle);
1985#else
1986 ccol2 = Color_bg;
1987#endif
1988 *srp = SET_FGCOLOR(*srp, ccol1); 2139 rend = SET_FGCOLOR (rend, ccol1);
1989 *srp = SET_BGCOLOR(*srp, ccol2); 2140 rend = SET_BGCOLOR (rend, ccol2);
1990#endif
1991 2141
2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1992 } 2143 }
1993 } 2144 }
1994 2145
1995 /* make sure no outline cursor is left around */ 2146 /* make sure no outline cursor is left around */
1996 setoldcursor = 0; 2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
1997 if (ocrow != -1) 2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2149
2150 // save the current cursor coordinates if the cursor is visible
2151 // and either the window is unfocused or the cursor style is
2152 // underline or vertical bar, so as to clear the outline cursor in
2153 // the next refresh if the cursor moves or becomes invisible
2154 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
1998 { 2155 {
1999 if (screen.cur.row + TermWin.view_start != ocrow 2156 oldcursor.row = screen.cur.row - view_start;
2000 || screen.cur.col != oldcursor.col) 2157 oldcursor.col = screen.cur.col;
2001 {
2002 if (ocrow < TermWin.nrow
2003 && oldcursor.col < TermWin.ncol)
2004 {
2005 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2006 }
2007 if (TermWin.focus || !showcursor)
2008 oldcursor.row = -1;
2009 else
2010 setoldcursor = 1;
2011 }
2012 } 2158 }
2013 else if (!TermWin.focus) 2159 else
2014 setoldcursor = 1;
2015 if (setoldcursor)
2016 {
2017 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2018 oldcursor.row = -1; 2160 oldcursor.row = -1;
2019 else
2020 {
2021 oldcursor.row = screen.cur.row + TermWin.view_start;
2022 oldcursor.col = screen.cur.col;
2023 }
2024 }
2025 } 2161 }
2026 2162
2027#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
2028 /* 2164 /*
2029 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
2030 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
2031 */ 2167 */
2032 i = num_scr; 2168 if (!display->is_local
2033 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2034 && abs(i) < TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
2035 { 2171 {
2036 int16_t nits; 2172 int16_t nits;
2037 int j; 2173 int i = num_scr;
2038 rend_t *drp2; 2174 int j;
2039 text_t *dtp2;
2040 int len, wlen; 2175 int len, wlen;
2041 2176
2042 j = TermWin.nrow; 2177 j = nrow;
2043 wlen = len = -1; 2178 wlen = len = -1;
2044 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
2045 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2046 { 2182 {
2047 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2048 { 2184 {
2049 stp = screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
2050 srp = screen.rend[row + row_offset];
2051 dtp = drawn_text[row]; 2186 line_t d = drawn_buf[row];
2052 dtp2 = drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
2053 drp = drawn_rend[row];
2054 drp2 = drawn_rend[row + i];
2055 2188
2056 for (nits = 0, col = TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
2057 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2058 nits--; 2191 nits--;
2059 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])
2060 nits++; 2193 nits++;
2061 2194
2062 if (nits > 8) /* XXX: arbitrary choice */ 2195 if (nits > 8) /* XXX: arbitrary choice */
2063 { 2196 {
2064 for (col = TermWin.ncol; col--; ) 2197 for (col = ncol; col--; )
2065 { 2198 {
2066 *dtp++ = *dtp2++; 2199 *d.t++ = *d2.t++;
2067 *drp++ = *drp2++; 2200 *d.r++ = *d2.r++;
2068 } 2201 }
2069 2202
2070 if (len == -1) 2203 if (len == -1)
2071 len = row; 2204 len = row;
2072 2205
2073 wlen = row; 2206 wlen = row;
2074 continue; 2207 continue;
2075 } 2208 }
2076 } 2209 }
2077 2210
2078 if (len != -1) 2211 if (len >= 0)
2079 { 2212 {
2080 /* also comes here at end if needed because of >= above */ 2213 /* also comes here at end if needed because of >= above */
2081 if (wlen < len) 2214 if (wlen < len)
2082 SWAP_IT(wlen, len, int); 2215 ::swap (wlen, len);
2083 2216
2084 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2217 XGCValues gcv;
2085 XCopyArea (display->display, TermWin.vt, TermWin.vt, 2218
2219 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2220 XCopyArea (dpy, vt, vt,
2086 TermWin.gc, 0, Row2Pixel (len + i), 2221 gc, 0, Row2Pixel (len + i),
2087 (unsigned int)TermWin_TotalWidth (), 2222 (unsigned int)this->width,
2088 (unsigned int)Height2Pixel (wlen - len + 1), 2223 (unsigned int)Height2Pixel (wlen - len + 1),
2089 0, Row2Pixel (len)); 2224 0, Row2Pixel (len));
2225 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2226
2090 len = -1; 2227 len = -1;
2091 } 2228 }
2092 } 2229 }
2093 } 2230 }
2094#endif 2231#endif
2095 2232
2096 /* 2233 /*
2097 * E: main pass across every character 2234 * E: main pass across every character
2098 */ 2235 */
2099 for (row = 0; row < TermWin.nrow; row++) 2236 for (row = 0; row < nrow; row++)
2100 { 2237 {
2101 stp = screen.text[row + row_offset]; 2238 text_t *stp = ROW(view_start + row).t;
2102 srp = screen.rend[row + row_offset]; 2239 rend_t *srp = ROW(view_start + row).r;
2103 dtp = drawn_text[row]; 2240 text_t *dtp = drawn_buf[row].t;
2104 drp = drawn_rend[row]; 2241 rend_t *drp = drawn_buf[row].r;
2105 2242
2106 /* 2243 /*
2107 * E2: OK, now the real pass 2244 * E2: OK, now the real pass
2108 */ 2245 */
2109 int ypixel = (int)Row2Pixel(row); 2246 int ypixel = (int)Row2Pixel (row);
2110 2247
2111 for (col = 0; col < TermWin.ncol; col++) 2248 for (col = 0; col < ncol; col++)
2112 { 2249 {
2113 /* compare new text with old - if exactly the same then continue */ 2250 /* compare new text with old - if exactly the same then continue */
2114 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2115
2116 if (stp[col] == dtp[col] /* Must match characters to skip. */
2117 && (rend == drp[col] /* Either rendition the same or */
2118 || (stp[col] == ' ' /* space w/ no background change */
2119 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2120 continue; 2252 continue;
2121 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) */
2122 text_t *text = stp + col; 2261 text_t *text = stp + col;
2123 int count = 1; 2262 int count = 1;
2124 2263
2125 /* redraw one or more characters */
2126
2127 dtp[col] = stp[col]; 2264 dtp[col] = stp[col];
2128 drp[col] = rend; 2265 drp[col] = rend;
2129 2266
2130 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2131 continue;
2132
2133 int xpixel = Col2Pixel(col); 2267 int xpixel = Col2Pixel (col);
2134 2268
2135 // this loop looks very messy, it can probably be optimized
2136 // and cleaned a bit by you?
2137 for (i = 0; ++col < TermWin.ncol; ) 2269 for (i = 0; ++col < ncol; )
2138 { 2270 {
2139 if (stp[col] == NOCHAR) 2271 if (stp[col] == NOCHAR)
2140 { 2272 {
2141 dtp[col] = stp[col]; 2273 dtp[col] = stp[col];
2142 drp[col] = rend; 2274 drp[col] = srp[col];
2275
2143 count++; 2276 count++;
2144
2145 if (i) // only possible skip if char unchanged
2146 i++; 2277 i++;
2147 2278
2148 continue; 2279 continue;
2149 } 2280 }
2150 2281
2151 if (rend != srp[col]) 2282 if (!RS_SAME (rend, srp[col]))
2152 break; 2283 break;
2153 2284
2154 count++; 2285 count++;
2155 2286
2156 if (stp[col] != dtp[col] 2287 if (stp[col] != dtp[col]
2157 || srp[col] != drp[col]) 2288 || !RS_SAME (srp[col], drp[col]))
2158 { 2289 {
2159 if (must_clear && (i++ > (count / 2))) 2290 if (have_bg && (i++ > count / 2))
2160 break; 2291 break;
2161 2292
2162 dtp[col] = stp[col]; 2293 dtp[col] = stp[col];
2163 drp[col] = rend; 2294 drp[col] = rend;
2164 i = 0; 2295 i = 0;
2165 } 2296 }
2166 else if (must_clear || (stp[col] != ' ' && ++i >= 32)) 2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2167 break; 2298 break;
2168 } 2299 }
2169 2300
2170 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2171 count -= i; /* dump any matching trailing chars */ 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--;
2172 2307
2173 /* 2308 /*
2174 * Determine the attributes for the string 2309 * Determine the attributes for the string
2175 */ 2310 */
2176 int fid = GET_FONT (rend);
2177 int fore = GET_FGCOLOR (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2178 int back = GET_BGCOLOR (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2179 2313
2180 rend = GET_ATTR (rend); 2314 // only do special processing if any attributes are set, which is unlikely
2181 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2182 rvid = !!(rend & RS_RVid);
2183 if (rvid)
2184 { 2316 {
2185 SWAP_IT(fore, back, int); 2317 bool invert = rend & RS_RVid;
2186 2318
2187#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2320 if (rend & RS_Bold && fore == Color_fg)
2321 {
2188 if (ISSET_PIXCOLOR (Color_RV) 2322 if (ISSET_PIXCOLOR (Color_BD))
2189# ifndef NO_CURSORCOLOR 2323 fore = Color_BD;
2190 && !ISSET_PIXCOLOR (Color_cursor) 2324# if !ENABLE_STYLES
2325 else
2326 invert = !invert;
2191# endif 2327# endif
2192 ) 2328 }
2329
2330 if (rend & RS_Italic && fore == Color_fg)
2331 {
2332 if (ISSET_PIXCOLOR (Color_IT))
2193 back = Color_RV; 2333 fore = Color_IT;
2334# if !ENABLE_STYLES
2335 else
2336 invert = !invert;
2194#endif 2337# endif
2338 }
2195 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
2196 } 2407 }
2197#ifdef TEXT_BLINK
2198 if (rend & RS_Blink)
2199 {
2200 if (!text_blink_ev.active)
2201 {
2202 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2203 hidden_text = 0;
2204 }
2205 else if (hidden_text)
2206 fore = back;
2207 }
2208#endif
2209#ifndef NO_BOLD_UNDERLINE_REVERSE
2210 else if (rend & RS_Bold)
2211 {
2212 if (ISSET_PIXCOLOR (Color_BD))
2213 fore = Color_BD;
2214 else if (fore == Color_fg)
2215 fore = Color_White;
2216 }
2217 else if (rend & RS_Uline)
2218 {
2219 if (ISSET_PIXCOLOR (Color_UL))
2220 fore = Color_UL;
2221 }
2222#endif
2223 2408
2224 /* 2409 /*
2225 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2226 */ 2411 */
2227 rxvt_font *font = (*TermWin.fontset)[fid]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2228 2413
2229 if (back == fore) 2414 if (ecb_likely (have_bg && back == Color_bg))
2230 font->clear_rect (xpixel, ypixel,
2231 TermWin.fwidth * count, TermWin.fheight,
2232 back);
2233 else if (back == Color_bg)
2234 { 2415 {
2235 if (must_clear) 2416 // this is very ugly, maybe push it into ->draw?
2236 {
2237 CLEAR_CHARS (xpixel, ypixel, count);
2238 2417
2239 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2240 if (text[i] != ' ') 2419 if (text[i] != ' ')
2241 { 2420 {
2242 font->draw (xpixel, ypixel, text, count, fore, -1); 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2243 break; 2422 goto did_clear;
2244 }
2245 } 2423 }
2246 else 2424
2247 font->draw (xpixel, ypixel, text, count, fore, Color_bg); 2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2248 } 2427 }
2249 else 2428 else
2250 font->draw (xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2251 2430
2252 if ((rend & RS_Uline) && (font->descent > 1)) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2253 XDrawLine(display->display, drawBuffer, TermWin.gc, 2432 {
2433 if (showcursor && focus && row == screen.cur.row
2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2436 else
2437#if ENABLE_FRILLS
2438 if (ISSET_PIXCOLOR (Color_underline))
2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2440 else
2441#endif
2442 XSetForeground (dpy, gc, pix_colors[fore]);
2443
2444 XDrawLine (dpy, vt, gc,
2254 xpixel, ypixel + font->ascent + 1, 2445 xpixel, ypixel + font->ascent + 1,
2255 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1); 2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2447 }
2256 } /* for (col....) */ 2448 } /* for (col....) */
2257 } /* for (row....) */ 2449 } /* for (row....) */
2258 2450
2259 /* 2451 /*
2260 * G: cleanup cursor and display outline cursor if necessary 2452 * G: cleanup cursor and display outline cursor if necessary
2261 */ 2453 */
2262 if (showcursor) 2454 if (showcursor)
2263 { 2455 {
2264 if (TermWin.focus) 2456 if (focus)
2457 {
2458 if (cursor_type == 0)
2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2460 else if (oldcursor.row >= 0)
2265 { 2461 {
2266 srp = &(screen.rend[screen.cur.row + TermWin.saveLines] 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2267 [screen.cur.col]); 2463 if (cursor_type == 1)
2268 *srp ^= RS_RVid; 2464 XFillRectangle (dpy, vt, gc,
2269#ifndef NO_CURSORCOLOR 2465 Col2Pixel (cur_col),
2270 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1; 2466 Row2Pixel (oldcursor.row + 1) - 2,
2271#endif 2467 Width2Pixel (1),
2272 2468 2);
2469 else
2470 XFillRectangle (dpy, vt, gc,
2471 Col2Pixel (cur_col),
2472 Row2Pixel (oldcursor.row),
2473 2,
2474 Height2Pixel (1));
2475 }
2273 } 2476 }
2274 else if (oldcursor.row >= 0) 2477 else if (oldcursor.row >= 0)
2275 { 2478 {
2276#ifndef NO_CURSORCOLOR 2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2277 if (ISSET_PIXCOLOR (Color_cursor)) 2480
2278 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]); 2481 XDrawRectangle (dpy, vt, gc,
2279#endif
2280 XDrawRectangle(display->display, drawBuffer, TermWin.gc,
2281 Col2Pixel(oldcursor.col), 2482 Col2Pixel (cur_col),
2282 Row2Pixel(oldcursor.row), 2483 Row2Pixel (oldcursor.row),
2283 (unsigned int)(Width2Pixel(cursorwidth) - 1), 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2284 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1)); 2485 (unsigned int) (Height2Pixel (1) - 1));
2285 } 2486 }
2286 } 2487 }
2287 2488
2288 /* 2489 /*
2289 * H: cleanup selection 2490 * H: cleanup selection
2290 */ 2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2291 scr_reverse_selection (); 2497 scr_reverse_selection ();
2292 2498
2293 /* 2499 screen.flags = old_screen_flags;
2294 * I: other general cleanup
2295 */
2296 if (clearfirst && TermWin.int_bwidth)
2297 /*
2298 * clear the whole screen height, note that width == 0 is treated
2299 * specially by XClearArea
2300 */
2301 XClearArea(display->display, TermWin.vt, 0, 0,
2302 (unsigned int)TermWin.int_bwidth,
2303 (unsigned int)TermWin_TotalHeight(), False);
2304 if (clearlast && TermWin.int_bwidth)
2305 /*
2306 * clear the whole screen height, note that width == 0 is treated
2307 * specially by XClearArea
2308 */
2309 XClearArea(display->display, TermWin.vt,
2310 TermWin.width + TermWin.int_bwidth, 0,
2311 (unsigned int)TermWin.int_bwidth,
2312 (unsigned int)TermWin_TotalHeight(), False);
2313 if (refresh_type & SMOOTH_REFRESH)
2314 XSync(display->display, False);
2315
2316 num_scr = 0; 2500 num_scr = 0;
2317 num_scr_allow = 1; 2501 num_scr_allow = 1;
2318 want_refresh = 0; /* screen is current */
2319} 2502}
2320 2503
2321/* ------------------------------------------------------------------------- */ 2504void ecb_cold
2322void 2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2323rxvt_term::scr_clear()
2324{ 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
2546# endif
2547 {
2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2550 }
2551 }
2552 else
2553#endif
2554 {
2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2557 }
2558
2559 XClearWindow (dpy, parent);
2560
2561 if (scrollBar.state && scrollBar.win)
2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2567 scrollBar.state = SB_STATE_IDLE;
2568 scrollBar.show (0);
2569 }
2570
2571 if (refresh)
2572 {
2573 scr_clear ();
2574 scr_touch (true);
2575 }
2576 want_refresh = 1;
2577}
2578
2579/* ------------------------------------------------------------------------- */
2580void
2581rxvt_term::scr_clear (bool really) noexcept
2582{
2325 if (!TermWin.mapped) 2583 if (!mapped)
2326 return; 2584 return;
2327 2585
2328 num_scr_allow = 0; 2586 num_scr_allow = 0;
2329 want_refresh = 1; 2587 want_refresh = 1;
2330#ifdef TRANSPARENT 2588
2331 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;
2332 { 2612 }
2333 int i; 2613}
2334 2614
2335 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 {
2336 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);
2337 else 2654 else
2338 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2339
2340 while (i--)
2341 if (TermWin.parent[i] != None)
2342 XClearWindow(display->display, TermWin.parent[i]);
2343 }
2344#endif 2655#endif
2345 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2346 XClearWindow (display->display, TermWin.vt); 2657 selection.end.row, selection.end.col,
2347} 2658 RS_Sel | RS_RVid);
2348
2349/* ------------------------------------------------------------------------- */
2350void
2351rxvt_term::scr_reverse_selection ()
2352{
2353 int i, col, row, end_row;
2354 rend_t *srp;
2355
2356 if (selection.op && current_screen == selection.screen)
2357 {
2358 end_row = TermWin.saveLines - TermWin.view_start;
2359 i = selection.beg.row + TermWin.saveLines;
2360 row = selection.end.row + TermWin.saveLines;
2361 if (i >= end_row)
2362 col = selection.beg.col;
2363 else
2364 {
2365 col = 0;
2366 i = end_row;
2367 }
2368 end_row += TermWin.nrow;
2369 for (; i < row && i < end_row; i++, col = 0)
2370 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2371 srp[col] ^= RS_RVid;
2372 if (i == row && i < end_row)
2373 for (srp = screen.rend[i]; col < selection.end.col; col++)
2374 srp[col] ^= RS_RVid;
2375 } 2659 }
2376} 2660}
2377 2661
2378/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2379/* 2663/*
2380 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2381 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2382 */ 2666 */
2383#if 0 2667#if 0
2384void 2668void
2385rxvt_term::scr_dump (int fd) 2669rxvt_term::scr_dump (int fd) noexcept
2386{ 2670{
2387 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2388 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2389 char r1[] = "\n";
2390
2391 for (row = TermWin.saveLines - TermWin.nscrolled;
2392 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2393 {
2394 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2395 : TermWin.ncol;
2396 for (towrite = width; towrite; towrite -= wrote)
2397 {
2398 wrote = write(fd, &(screen.text[row][width - towrite]),
2399 towrite);
2400 if (wrote < 0)
2401 return; /* XXX: death, no report */
2402 }
2403 if (screen.tlen[row] >= 0)
2404 if (write(fd, r1, 1) <= 0)
2405 return; /* XXX: death, no report */
2406 }
2407} 2673}
2408#endif 2674#endif
2409 2675
2410/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2411 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2412 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2413
2414/*
2415 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2416 */
2417void 2679void
2418rxvt_term::selection_check (int check_more) 2680rxvt_term::selection_check (int check_more) noexcept
2419{ 2681{
2420 row_col_t pos;
2421
2422 if (!selection.op) 2682 if (!selection.op)
2423 return; 2683 return;
2424 2684
2425 pos.row = pos.col = 0; 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2426 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2427 || (selection.beg.row >= TermWin.nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2428 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2429 || (selection.mark.row >= TermWin.nrow)
2430 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2431 || (selection.end.row >= TermWin.nrow)
2432 || (check_more == 1 2688 || (check_more == 1
2433 && current_screen == selection.screen 2689 && current_screen == selection.screen
2434 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2435 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2436 || (check_more == 2
2437 && ROWCOL_IS_BEFORE(selection.beg, pos)
2438 && ROWCOL_IS_AFTER(selection.end, pos))
2439 || (check_more == 3
2440 && ROWCOL_IS_AFTER(selection.end, pos))
2441 || (check_more == 4 /* screen width change */
2442 && (selection.beg.row != selection.end.row
2443 || selection.end.col > TermWin.ncol)))
2444 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;
2445} 2707}
2446 2708
2447/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2448/* 2710/*
2449 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2450 */ 2712 */
2451void 2713void
2452rxvt_term::paste (const unsigned char *data, unsigned int len) 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2453{ 2715{
2454 unsigned int i, j, n;
2455 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2456
2457#if 0
2458 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2459 ZERO_SCROLLBACK (r);
2460#endif
2461
2462 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2463 for (i = 0; i < len; i += PROP_SIZE) 2717 for (unsigned int i = 0; i < len; i++)
2464 { 2718 if (data[i] == C0_LF)
2465 n = min (len - i, PROP_SIZE); 2719 data[i] = C0_CR;
2466 MEMCPY (ds, data + i, n);
2467 2720
2468 for (j = 0; j < n; j++) 2721 #if ENABLE_FRILLS
2469 if (ds[j] == '\n') 2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2470 ds[j] = '\r'; 2723 tt_printf ("\x1b[200~");
2724 #endif
2471 2725
2472 tt_write (ds, (int)n); 2726 tt_write (data, len);
2473 }
2474 2727
2475 free(ds); 2728 #if ENABLE_FRILLS
2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2730 tt_printf ("\x1b[201~");
2731 #endif
2476} 2732}
2477 2733
2478/* ------------------------------------------------------------------------- */
2479/*
2480 * Respond to a notification that a primary selection has been sent
2481 * EXT: SelectionNotify
2482 */
2483int
2484rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2485{
2486 long nread = 0;
2487 unsigned long bytes_after;
2488 XTextProperty ct;
2489
2490 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2491
2492 if (prop == None) /* check for failed XConvertSelection */
2493 {
2494 if ((selection_type & Sel_CompoundText))
2495 {
2496 int selnum = selection_type & Sel_whereMask;
2497
2498 selection_type = 0;
2499 if (selnum != Sel_direct)
2500 selection_request_other (XA_STRING, selnum);
2501 }
2502
2503 if ((selection_type & Sel_UTF8String))
2504 {
2505 int selnum = selection_type & Sel_whereMask;
2506
2507 selection_type = Sel_CompoundText;
2508 if (selnum != Sel_direct)
2509 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2510 else
2511 selection_type = 0;
2512 }
2513
2514 return 0;
2515 }
2516
2517 for (;;)
2518 {
2519 if (XGetWindowProperty(display->display, win, prop, (long)(nread / 4),
2520 (long)(PROP_SIZE / 4), delete_prop,
2521 AnyPropertyType, &ct.encoding, &ct.format,
2522 &ct.nitems, &bytes_after,
2523 &ct.value) != Success)
2524 break;
2525
2526 if (ct.encoding == 0)
2527 {
2528 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2529 break;
2530 }
2531
2532 if (ct.value == NULL)
2533 {
2534 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2535 continue;
2536 }
2537
2538 if (ct.nitems == 0)
2539 {
2540 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2541 if (selection_wait == Sel_normal && nread == 0)
2542 {
2543 /*
2544 * pass through again trying CUT_BUFFER0 if we've come from
2545 * XConvertSelection() but nothing was presented
2546 */
2547 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2548 selection_paste (display->root, XA_CUT_BUFFER0, False);
2549 }
2550
2551 nread = -1; /* discount any previous stuff */
2552 break;
2553 }
2554
2555 nread += ct.nitems;
2556
2557 char **cl;
2558 int cr;
2559 if (XmbTextPropertyToTextList (display->display, &ct, &cl,
2560 &cr) >= 0 && cl)
2561 {
2562 for (int i = 0; i < cr; i++)
2563 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2564
2565 XFreeStringList (cl);
2566 }
2567 else
2568 paste (ct.value, ct.nitems);
2569
2570 if (bytes_after == 0)
2571 break;
2572
2573 XFree (ct.value);
2574 }
2575
2576 if (ct.value)
2577 XFree (ct.value);
2578
2579 if (selection_wait == Sel_normal)
2580 selection_wait = Sel_none;
2581
2582 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2583 return (int)nread;
2584}
2585
2586void 2734void
2587rxvt_term::incr_cb (time_watcher &w) 2735rxvt_term::paste (char *data, unsigned int len) noexcept
2588{ 2736{
2589 selection_wait = Sel_none; 2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2590
2591 rxvt_print_error ("data loss: timeout on INCR selection paste");
2592}
2593
2594/*
2595 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2596 */
2597void
2598rxvt_term::selection_property (Window win, Atom prop)
2599{
2600 int reget_time = 0;
2601
2602 if (prop == None)
2603 return; 2738 return;
2604 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2605 if (selection_wait == Sel_normal)
2606 {
2607 int a, afmt;
2608 Atom atype;
2609 unsigned long bytes_after, nitems;
2610 unsigned char *s = NULL;
2611 2739
2612 a = XGetWindowProperty(display->display, win, prop, 0L, 1L, False, 2740 tt_paste (data, len);
2613 xa[XA_INCR], &atype, &afmt, &nitems,
2614 &bytes_after, &s);
2615 if (s)
2616 XFree(s);
2617 if (a != Success)
2618 return;
2619#ifndef __CYGWIN32__
2620 if (atype == xa[XA_INCR])
2621 { /* start an INCR transfer */
2622 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2623 XDeleteProperty(display->display, win, prop);
2624 XFlush(display->display);
2625 reget_time = 1;
2626 selection_wait = Sel_incr;
2627 }
2628#endif
2629
2630 }
2631 else if (selection_wait == Sel_incr)
2632 {
2633 reget_time = 1;
2634 if (selection_paste (win, prop, True) == -1)
2635 {
2636 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2637 selection_wait = Sel_none;
2638 incr_ev.stop ();
2639 }
2640 }
2641 if (reget_time) /* received more data so reget time */
2642 incr_ev.start (NOW + 10);
2643} 2741}
2742
2644/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2645/* 2744/*
2646 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2647 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2648 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2649 * > CUT_BUFFER0
2650 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2651 * will auto fallback to CUT_BUFFER0
2652 * EXT: button 2 release 2748 * EXT: button 2 release
2653 */ 2749 */
2654void 2750void
2655rxvt_term::selection_request (Time tm, int x, int y) 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2656{ 2752{
2657 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2753 if (!selection_req)
2658 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2659 return; /* outside window */
2660
2661 if (selection.text != NULL)
2662 { /* internal selection */
2663 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2664 paste (selection.text, selection.len);
2665 return;
2666 } 2754 {
2667 else 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2756 selection_req->run ();
2668 { 2757 }
2669 int i;
2670
2671 selection_request_time = tm;
2672 selection_wait = Sel_normal;
2673 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2674 {
2675#if X_HAVE_UTF8_STRING
2676 selection_type = Sel_UTF8String;
2677 if (selection_request_other (xa[XA_UTF8_STRING], i))
2678 return;
2679#else
2680 selection_type = Sel_CompoundText;
2681 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2682 return;
2683#endif
2684
2685 }
2686 }
2687 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */
2688 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2689 selection_paste (display->root, XA_CUT_BUFFER0, False);
2690}
2691
2692int
2693rxvt_term::selection_request_other (Atom target, int selnum)
2694{
2695 Atom sel;
2696#ifdef DEBUG_SELECT
2697 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2698#endif
2699
2700 selection_type |= selnum;
2701 if (selnum == Sel_Primary)
2702 sel = XA_PRIMARY;
2703 else if (selnum == Sel_Secondary)
2704 sel = XA_SECONDARY;
2705 else
2706 sel = xa[XA_CLIPBOARD];
2707 if (XGetSelectionOwner(display->display, sel) != None)
2708 {
2709 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2710 XConvertSelection(display->display, sel, target, xa[XA_VT_SELECTION],
2711 TermWin.vt, selection_request_time);
2712 return 1;
2713 }
2714 return 0;
2715} 2758}
2716 2759
2717/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2718/* 2761/*
2719 * Clear all selected text 2762 * Clear all selected text
2720 * EXT: SelectionClear 2763 * EXT: SelectionClear
2721 */ 2764 */
2722void 2765void
2723rxvt_term::selection_clear () 2766rxvt_term::selection_clear (bool clipboard) noexcept
2724{ 2767{
2725 D_SELECT((stderr, "rxvt_selection_clear()")); 2768 if (!clipboard)
2726 2769 {
2727 want_refresh = 1; 2770 want_refresh = 1;
2728 if (selection.text)
2729 free(selection.text); 2771 free (selection.text);
2730 selection.text = NULL; 2772 selection.text = NULL;
2731 selection.len = 0; 2773 selection.len = 0;
2732 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 }
2733} 2788}
2734 2789
2735/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2736/* 2791/*
2737 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2738 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2739 */ 2794 */
2740void 2795void
2741rxvt_term::selection_make (Time tm) 2796rxvt_term::selection_make (Time tm)
2742{ 2797{
2743 int i, col, end_col, row, end_row; 2798 int size;
2744 unsigned char *new_selection_text; 2799 wchar_t *new_selection_text;
2745 char *str;
2746 text_t *t; 2800 text_t *t;
2747#ifdef ACS_ASCII
2748 rend_t *re;
2749#endif
2750 2801
2751 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2752 switch (selection.op) 2802 switch (selection.op)
2753 { 2803 {
2754 case SELECTION_CONT: 2804 case SELECTION_CONT:
2755 break; 2805 break;
2756 case SELECTION_INIT: 2806 case SELECTION_INIT:
2757 CLEAR_SELECTION(); 2807 CLEAR_SELECTION ();
2758 /* FALLTHROUGH */ 2808 /* FALLTHROUGH */
2759 case SELECTION_BEGIN: 2809 case SELECTION_BEGIN:
2760 selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2761 /* FALLTHROUGH */ 2811 /* FALLTHROUGH */
2762 default: 2812 default:
2763 return; 2813 return;
2764 } 2814 }
2815
2765 selection.op = SELECTION_DONE; 2816 selection.op = SELECTION_DONE;
2766 2817
2767 if (selection.clicks == 4) 2818 if (selection.clicks == 4)
2768 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2769 2820
2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2822 return;
2823
2770 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2771 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2772 2826
2773 new_selection_text = (unsigned char *)str; 2827 int ofs = 0;
2828 int extra = 0;
2774 2829
2775 col = selection.beg.col; 2830 int col = selection.beg.col;
2776 MAX_IT(col, 0); 2831 int row = selection.beg.row;
2777 row = selection.beg.row + TermWin.saveLines;
2778 end_row = selection.end.row + TermWin.saveLines;
2779 2832
2833 int end_col;
2834
2780 for (; row <= end_row; row++, col = 0) 2835 for (; row <= selection.end.row; row++, col = 0)
2781 { 2836 {
2782 t = &(screen.text[row][col]); 2837#if !ENABLE_MINIMAL
2783 2838 if (selection.rect)
2784 end_col = screen.tlen[row]; 2839 {
2785 2840 col = selection.beg.col;
2786 if (end_col == -1)
2787 end_col = TermWin.ncol; 2841 end_col = selection.end.col;
2842 }
2843 else
2844#endif
2845 end_col = ROW(row).l;
2788 2846
2847 col = max (col, 0);
2848
2789 if (row == end_row) 2849 if (row == selection.end.row)
2790 MIN_IT (end_col, selection.end.col); 2850 min_it (end_col, selection.end.col);
2851
2852 t = ROW(row).t + col;
2791 2853
2792 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
2855 {
2793 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2794 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
2795 else 2875 else
2796 { 2876 new_selection_text[ofs++] = *t++;
2797 int len = wctomb (str, *t++);
2798 if (len > 0)
2799 str += len;
2800 } 2877 }
2801 2878
2802 if (screen.tlen[row] != -1 && row != end_row) 2879#if !ENABLE_MINIMAL
2803 *str++ = '\n'; 2880 if (selection.rect)
2804 } 2881 {
2882 while (ofs
2883 && new_selection_text[ofs - 1] != C0_LF
2884 && unicode::is_space (new_selection_text[ofs - 1]))
2885 --ofs;
2805 2886
2806#ifndef NO_OLD_SELECTION 2887 new_selection_text[ofs++] = C0_LF;
2807 if (selection_style == OLD_SELECT) 2888 }
2808 if (end_col == TermWin.ncol) 2889 else
2809 *str++ = '\n';
2810#endif 2890#endif
2811#ifndef NO_NEW_SELECTION 2891 if (!ROW(row).is_longer ()
2812 if (selection_style != OLD_SELECT) 2892 && (row != selection.end.row || end_col != selection.end.col)
2813 if (end_col != selection.end.col) 2893 && (row != selection.beg.row || selection.beg.col < ncol))
2814 *str++ = '\n'; 2894 new_selection_text[ofs++] = C0_LF;
2815#endif 2895 }
2816 *str = '\0';
2817 2896
2818 i = str - (char *)new_selection_text; 2897 new_selection_text[ofs] = 0;
2898
2819 if (i == 0) 2899 if (ofs == 0)
2820 { 2900 {
2821 free (new_selection_text); 2901 free (new_selection_text);
2822 return; 2902 return;
2823 } 2903 }
2824 2904
2825 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2826 if (str - (char *)new_selection_text > 1024)
2827 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2828
2829 selection.len = i;
2830
2831 if (selection.text)
2832 free (selection.text); 2905 free (selection.text);
2833 2906
2834 selection.text = new_selection_text; 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));
2835 2910
2836 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm); 2911 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2837 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt) 2912 return;
2838 display->set_selection_owner (this); 2913
2914 selection_grab (tm);
2915}
2916
2917bool
2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
2924 selection_time = tm;
2925 sel = XA_PRIMARY;
2926 }
2839 else 2927 else
2840 rxvt_print_error("can't get primary selection");
2841
2842 { 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
2843 XTextProperty ct; 2946 XTextProperty ct;
2844 char *cl = (char *)selection.text;
2845 2947
2846 if (XmbTextListToTextProperty(display->display, &cl, 1, XStringStyle, &ct) >= 0) 2948 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2847 { 2949 {
2848 XChangeProperty(display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8, 2950 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2849 PropModeReplace, ct.value, ct.nitems);
2850 XFree (ct.value); 2951 XFree (ct.value);
2851 } 2952 }
2852 else 2953#endif
2853 XChangeProperty(display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
2854 PropModeReplace, selection.text, (int)selection.len);
2855 }
2856
2857 selection_time = tm;
2858 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len));
2859} 2954}
2860 2955
2861/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
2862/* 2957/*
2863 * 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
2864 * EXT: button 1 press 2959 * EXT: button 1 press
2865 */ 2960 */
2866void 2961void ecb_cold
2867rxvt_term::selection_click (int clicks, int x, int y) 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
2868{ 2963{
2869 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2870
2871 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
2872 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
2873 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
2874 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2976 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2875 2977
2876 if (clicks == 2 || clicks == 3) 2978 if (clicks == 2 || clicks == 3)
2877 selection_extend_colrow (selection.mark.col, 2979 selection_extend_colrow (selection.mark.col,
2878 selection.mark.row + TermWin.view_start, 2980 selection.mark.row - view_start,
2879 0, /* button 3 */ 2981 0, /* button 3 */
2880 1, /* button press */ 2982 1, /* button press */
2881 0); /* click change */ 2983 0); /* click change */
2882} 2984}
2883 2985
2884/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
2885/* 2987/*
2886 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
2887 */ 2989 */
2888void 2990void ecb_cold
2889rxvt_term::selection_start_colrow (int col, int row) 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
2890{ 2992{
2891 want_refresh = 1; 2993 want_refresh = 1;
2994
2995 selection.mark.row = row + view_start;
2892 selection.mark.col = col; 2996 selection.mark.col = col;
2893 selection.mark.row = row - TermWin.view_start; 2997
2894 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2998 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2895 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2999 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2896 MAX_IT(selection.mark.col, 0); 3000
2897 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1); 3001 while (selection.mark.col > 0
3002 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3003 --selection.mark.col;
2898 3004
2899 if (selection.op) 3005 if (selection.op)
3006 {
2900 { /* clear the old selection */ 3007 /* clear the old selection */
2901 selection.beg.row = selection.end.row = selection.mark.row; 3008 selection.beg.row = selection.end.row = selection.mark.row;
2902 selection.beg.col = selection.end.col = selection.mark.col; 3009 selection.beg.col = selection.end.col = selection.mark.col;
2903 } 3010 }
3011
2904 selection.op = SELECTION_INIT; 3012 selection.op = SELECTION_INIT;
2905 selection.screen = current_screen; 3013 selection.screen = current_screen;
2906} 3014}
2907 3015
2908/* ------------------------------------------------------------------------- */ 3016/* ------------------------------------------------------------------------- */
… …
2910 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
2911 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
2912 */ 3020 */
2913 3021
2914/* 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 */
2915#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
2916 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2917#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
2918 3026
2919void 3027void ecb_cold
2920rxvt_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
2921{ 3029{
2922 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
2923 row_col_t bound; 3031 row_col_t bound;
2924 text_t *stp; 3032 text_t *stp;
2925 rend_t *srp; 3033 rend_t *srp;
2926 3034
2927 if (dirn == UP) 3035 if (dirn == UP)
2928 { 3036 {
2929 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3037 bound.row = top_row - 1;
2930 bound.col = 0; 3038 bound.col = 0;
2931 dirnadd = -1; 3039 dirnadd = -1;
2932 } 3040 }
2933 else 3041 else
2934 { 3042 {
2935 bound.row = TermWin.saveLines + TermWin.nrow; 3043 bound.row = nrow;
2936 bound.col = TermWin.ncol - 1; 3044 bound.col = ncol - 1;
2937 dirnadd = 1; 3045 dirnadd = 1;
2938 } 3046 }
2939 row = mark->row + TermWin.saveLines; 3047
3048 row = mark->row;
2940 col = mark->col; 3049 col = max (mark->col, 0);
2941 MAX_IT(col, 0); 3050
2942 /* find the edge of a word */ 3051 /* find the edge of a word */
2943 stp = &(screen.text[row][col]); 3052 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2944 w1 = DELIMIT_TEXT(*stp); 3053 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2945 3054
2946 if (selection_style != NEW_SELECT) 3055 for (;;)
2947 { 3056 {
2948 if (w1 == 1) 3057 for (; col != bound.col; col += dirnadd)
2949 { 3058 {
2950 stp += dirnadd; 3059 stp += dirnadd;
2951 if (DELIMIT_TEXT(*stp) == 1)
2952 goto Old_Word_Selection_You_Die;
2953 col += dirnadd;
2954 }
2955 w1 = 0;
2956 }
2957 srp = (&screen.rend[row][col]);
2958 w2 = DELIMIT_REND(*srp);
2959
2960 for (;;)
2961 {
2962 for (; col != bound.col; col += dirnadd)
2963 {
2964 stp += dirnadd; 3060 srp += dirnadd;
3061
3062 if (*stp == NOCHAR)
3063 continue;
3064
2965 if (DELIMIT_TEXT(*stp) != w1) 3065 if (DELIMIT_TEXT (*stp) != w1)
2966 break; 3066 break;
2967 srp += dirnadd;
2968 if (DELIMIT_REND(*srp) != w2) 3067 if (DELIMIT_REND (*srp) != w2)
2969 break; 3068 break;
2970 } 3069 }
3070
2971 if ((col == bound.col) && (row != bound.row)) 3071 if ((col == bound.col) && (row != bound.row))
2972 { 3072 {
2973 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) 3073 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
2974 { 3074 {
2975 trow = row + dirnadd; 3075 trow = row + dirnadd;
2976 tcol = dirn == UP ? TermWin.ncol - 1 : 0; 3076 tcol = dirn == UP ? ncol - 1 : 0;
2977 if (screen.text[trow] == NULL) 3077
3078 if (!ROW(trow).t)
2978 break; 3079 break;
2979 stp = &(screen.text[trow][tcol]); 3080
2980 srp = &(screen.rend[trow][tcol]); 3081 stp = ROW(trow).t + tcol;
3082 srp = ROW(trow).r + tcol;
3083
2981 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2) 3084 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2982 break; 3085 break;
3086
2983 row = trow; 3087 row = trow;
2984 col = tcol; 3088 col = tcol;
2985 continue; 3089 continue;
2986 } 3090 }
2987 } 3091 }
2988 break; 3092 break;
2989 } 3093 }
2990Old_Word_Selection_You_Die:
2991 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));
2992 3094
2993 if (dirn == DN) 3095 if (dirn == DN)
2994 col++; /* put us on one past the end */ 3096 col++; /* put us on one past the end */
2995 3097
2996 /* Poke the values back in */ 3098 /* Poke the values back in */
2997 ret->row = row - TermWin.saveLines; 3099 ret->row = row;
2998 ret->col = col; 3100 ret->col = col;
2999} 3101}
3000 3102
3001/* ------------------------------------------------------------------------- */ 3103/* ------------------------------------------------------------------------- */
3002/* 3104/*
… …
3004 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
3005 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
3006 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
3007 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
3008 */ 3110 */
3009void 3111void ecb_cold
3010rxvt_term::selection_extend (int x, int y, int flag) 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
3011{ 3113{
3012 int col, row; 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3013 3116
3014 col = Pixel2Col(x);
3015 row = Pixel2Row(y);
3016 MAX_IT(row, 0);
3017 MIN_IT(row, (int)TermWin.nrow - 1);
3018 MAX_IT(col, 0);
3019 MIN_IT(col, (int)TermWin.ncol);
3020
3021#ifndef NO_NEW_SELECTION
3022 /* 3117 /*
3023 * 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
3024 * 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
3025 * 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
3026 * be _past_ a character for it to be selected. 3121 * be _past_ a character for it to be selected.
3027 */ 3122 */
3028 if (selection_style != OLD_SELECT)
3029 {
3030 if (((selection.clicks % 3) == 1) && !flag 3123 if (((selection.clicks % 3) == 1) && !flag
3031 && (col == selection.mark.col 3124 && (col == selection.mark.col
3032 && (row == selection.mark.row + TermWin.view_start))) 3125 && (row == selection.mark.row - view_start)))
3033 { 3126 {
3034 /* select nothing */ 3127 /* select nothing */
3035 selection.beg.row = selection.end.row = 0; 3128 selection.beg.row = selection.end.row = 0;
3036 selection.beg.col = selection.end.col = 0; 3129 selection.beg.col = selection.end.col = 0;
3037 selection.clicks = 4; 3130 selection.clicks = 4;
3038 want_refresh = 1; 3131 want_refresh = 1;
3039 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
3040 return; 3132 return;
3041 }
3042 } 3133 }
3043#endif 3134
3044 if (selection.clicks == 4) 3135 if (selection.clicks == 4)
3045 selection.clicks = 1; 3136 selection.clicks = 1;
3046 3137
3047 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3138 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3048 flag == 1 ? 1 : 0, /* ? button press */ 3139 flag == 1 ? 1 : 0, /* ? button press */
… …
3051 3142
3052/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3053/* 3144/*
3054 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3055 */ 3146 */
3056void 3147void ecb_cold
3057rxvt_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
3058{ 3149{
3059 int16_t ncol = TermWin.ncol;
3060 int end_col;
3061 row_col_t pos; 3150 row_col_t pos;
3062 enum { 3151 enum {
3063 LEFT, RIGHT 3152 LEFT, RIGHT
3064 } closeto = RIGHT; 3153 } closeto = RIGHT;
3065 3154
3066 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));
3067 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));
3068
3069 want_refresh = 1;
3070 switch (selection.op) 3155 switch (selection.op)
3071 { 3156 {
3072 case SELECTION_INIT: 3157 case SELECTION_INIT:
3073 CLEAR_SELECTION(); 3158 CLEAR_SELECTION ();
3074 selection.op = SELECTION_BEGIN; 3159 selection.op = SELECTION_BEGIN;
3075 /* FALLTHROUGH */ 3160 /* FALLTHROUGH */
3076 case SELECTION_BEGIN: 3161 case SELECTION_BEGIN:
3077 if (row != selection.mark.row || col != selection.mark.col 3162 if (row != selection.mark.row || col != selection.mark.col
3078 || (!button3 && buttonpress)) 3163 || (!button3 && buttonpress))
… …
3087 selection_start_colrow (col, row); 3172 selection_start_colrow (col, row);
3088 /* FALLTHROUGH */ 3173 /* FALLTHROUGH */
3089 default: 3174 default:
3090 return; 3175 return;
3091 } 3176 }
3177
3092 if (selection.beg.col == selection.end.col 3178 if (selection.beg.col == selection.end.col
3093 && selection.beg.col != selection.mark.col 3179 && selection.beg.col != selection.mark.col
3094 && selection.beg.row == selection.end.row 3180 && selection.beg.row == selection.end.row
3095 && selection.beg.row != selection.mark.row) 3181 && selection.beg.row != selection.mark.row)
3096 { 3182 {
3097 selection.beg.col = selection.end.col = selection.mark.col; 3183 selection.beg.col = selection.end.col = selection.mark.col;
3098 selection.beg.row = selection.end.row = selection.mark.row; 3184 selection.beg.row = selection.end.row = selection.mark.row;
3099 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));
3100 } 3185 }
3101 3186
3102 pos.col = col; 3187 pos.col = col;
3103 pos.row = row; 3188 pos.row = view_start + row;
3104 3189
3105 pos.row -= TermWin.view_start; /* adjust for scroll */
3106
3107#ifndef NO_OLD_SELECTION
3108 /*
3109 * This mimics some of the selection behaviour of version 2.20 and before.
3110 * There are no ``selection modes'', button3 is always character extension.
3111 * Note: button3 drag is always available, c.f. v2.20
3112 * Selection always terminates (left or right as appropriate) at the mark.
3113 */
3114 if (selection_style == OLD_SELECT)
3115 {
3116 if (selection.clicks == 1 || button3)
3117 {
3118 if (hate_those_clicks)
3119 {
3120 hate_those_clicks = 0;
3121 if (selection.clicks == 1)
3122 {
3123 selection.beg.row = selection.mark.row;
3124 selection.beg.col = selection.mark.col;
3125 }
3126 else
3127 {
3128 selection.mark.row = selection.beg.row;
3129 selection.mark.col = selection.beg.col;
3130 }
3131 }
3132 if (ROWCOL_IS_BEFORE(pos, selection.mark))
3133 {
3134 selection.end.row = selection.mark.row;
3135 selection.end.col = selection.mark.col + 1;
3136 selection.beg.row = pos.row;
3137 selection.beg.col = pos.col;
3138 }
3139 else
3140 {
3141 selection.beg.row = selection.mark.row;
3142 selection.beg.col = selection.mark.col;
3143 selection.end.row = pos.row;
3144 selection.end.col = pos.col + 1;
3145 }
3146 }
3147 else if (selection.clicks == 2)
3148 {
3149 selection_delimit_word (UP, &(selection.mark),
3150 &(selection.beg));
3151 selection_delimit_word (DN, &(selection.mark),
3152 &(selection.end));
3153 hate_those_clicks = 1;
3154 }
3155 else if (selection.clicks == 3)
3156 {
3157 selection.beg.row = selection.end.row = selection.mark.row;
3158 selection.beg.col = 0;
3159 selection.end.col = ncol;
3160 hate_those_clicks = 1;
3161 }
3162 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));
3163 return;
3164 }
3165#endif /* ! NO_OLD_SELECTION */
3166#ifndef NO_NEW_SELECTION
3167 /* selection_style must not be OLD_SELECT to get here */
3168 /* 3190 /*
3169 * This is mainly xterm style selection with a couple of differences, mainly 3191 * This is mainly xterm style selection with a couple of differences, mainly
3170 * in the way button3 drag extension works. 3192 * in the way button3 drag extension works.
3171 * We're either doing: button1 drag; button3 press; or button3 drag 3193 * We're either doing: button1 drag; button3 press; or button3 drag
3172 * a) button1 drag : select around a midpoint/word/line - that point/word/line 3194 * a) button1 drag : select around a midpoint/word/line - that point/word/line
… …
3177 * a point/word/line which is either the start or end of the selection 3199 * a point/word/line which is either the start or end of the selection
3178 * and it was decided by whichever point/word/line was `fixed' at the 3200 * and it was decided by whichever point/word/line was `fixed' at the
3179 * time of the most recent button3 press 3201 * time of the most recent button3 press
3180 */ 3202 */
3181 if (button3 && buttonpress) 3203 if (button3 && buttonpress)
3204 {
3182 { /* button3 press */ 3205 /* button3 press */
3183 /* 3206 /*
3184 * first determine which edge of the selection we are closest to 3207 * first determine which edge of the selection we are closest to
3185 */ 3208 */
3186 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3209 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3187 || (!ROWCOL_IS_AFTER(pos, selection.end) 3210 || (!ROWCOL_IS_AFTER (pos, selection.end)
3188 && (((pos.col - selection.beg.col) 3211 && (((pos.col - selection.beg.col)
3189 + ((pos.row - selection.beg.row) * ncol)) 3212 + ((pos.row - selection.beg.row) * ncol))
3190 < ((selection.end.col - pos.col) 3213 < ((selection.end.col - pos.col)
3191 + ((selection.end.row - pos.row) * ncol))))) 3214 + ((selection.end.row - pos.row) * ncol)))))
3192 closeto = LEFT; 3215 closeto = LEFT;
3216
3193 if (closeto == LEFT) 3217 if (closeto == LEFT)
3194 { 3218 {
3195 selection.beg.row = pos.row; 3219 selection.beg.row = pos.row;
3196 selection.beg.col = pos.col; 3220 selection.beg.col = pos.col;
3197 selection.mark.row = selection.end.row; 3221 selection.mark.row = selection.end.row;
3198 selection.mark.col = selection.end.col 3222 selection.mark.col = selection.end.col - (selection.clicks == 2);
3199 - (selection.clicks == 2);
3200 } 3223 }
3201 else 3224 else
3202 { 3225 {
3203 selection.end.row = pos.row; 3226 selection.end.row = pos.row;
3204 selection.end.col = pos.col; 3227 selection.end.col = pos.col;
3205 selection.mark.row = selection.beg.row; 3228 selection.mark.row = selection.beg.row;
3206 selection.mark.col = selection.beg.col; 3229 selection.mark.col = selection.beg.col;
3207 } 3230 }
3208 } 3231 }
3209 else 3232 else
3233 {
3210 { /* button1 drag or button3 drag */ 3234 /* button1 drag or button3 drag */
3211 if (ROWCOL_IS_AFTER(selection.mark, pos)) 3235 if (ROWCOL_IS_AFTER (selection.mark, pos))
3212 { 3236 {
3213 if ((selection.mark.row == selection.end.row) 3237 if (selection.mark.row == selection.end.row
3214 && (selection.mark.col == selection.end.col) 3238 && selection.mark.col == selection.end.col
3239 && clickchange
3215 && clickchange && selection.clicks == 2) 3240 && selection.clicks == 2)
3216 selection.mark.col--; 3241 selection.mark.col--;
3242
3217 selection.beg.row = pos.row; 3243 selection.beg.row = pos.row;
3218 selection.beg.col = pos.col; 3244 selection.beg.col = pos.col;
3219 selection.end.row = selection.mark.row; 3245 selection.end.row = selection.mark.row;
3220 selection.end.col = selection.mark.col 3246 selection.end.col = selection.mark.col + (selection.clicks == 2);
3221 + (selection.clicks == 2);
3222 } 3247 }
3223 else 3248 else
3224 { 3249 {
3225 selection.beg.row = selection.mark.row; 3250 selection.beg.row = selection.mark.row;
3226 selection.beg.col = selection.mark.col; 3251 selection.beg.col = selection.mark.col;
… …
3229 } 3254 }
3230 } 3255 }
3231 3256
3232 if (selection.clicks == 1) 3257 if (selection.clicks == 1)
3233 { 3258 {
3234 end_col = screen.tlen[selection.beg.row + TermWin.saveLines]; 3259 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3235 if (end_col != -1 && selection.beg.col > end_col) 3260 && !ROW(selection.beg.row).is_longer ()
3261#if !ENABLE_MINIMAL
3262 && !selection.rect
3263#endif
3236 { 3264 )
3237#if 1
3238 selection.beg.col = ncol; 3265 selection.beg.col = ncol;
3239#else
3240 if (selection.beg.row != selection.end.row)
3241 selection.beg.col = ncol;
3242 else
3243 selection.beg.col = selection.mark.col;
3244#endif
3245 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
3246 } 3273 )
3247 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3248 if (end_col != -1 && selection.end.col > end_col)
3249 selection.end.col = ncol; 3274 selection.end.col = ncol;
3250
3251 } 3275 }
3252 else if (selection.clicks == 2) 3276 else if (selection.clicks == 2)
3253 { 3277 {
3254 if (ROWCOL_IS_AFTER(selection.end, selection.beg)) 3278 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3255 selection.end.col--; 3279 selection.end.col--;
3280
3256 selection_delimit_word (UP, &(selection.beg), 3281 selection_delimit_word (UP, &selection.beg, &selection.beg);
3257 &(selection.beg));
3258 selection_delimit_word (DN, &(selection.end), 3282 selection_delimit_word (DN, &selection.end, &selection.end);
3259 &(selection.end));
3260 } 3283 }
3261 else if (selection.clicks == 3) 3284 else if (selection.clicks == 3)
3262 { 3285 {
3263#ifndef NO_FRILLS 3286#if ENABLE_FRILLS
3264 if ((Options & Opt_tripleclickwords)) 3287 if (option (Opt_tripleclickwords))
3265 { 3288 {
3266 int end_row;
3267
3268 selection_delimit_word (UP, &(selection.beg), 3289 selection_delimit_word (UP, &selection.beg, &selection.beg);
3269 &(selection.beg)); 3290
3270 end_row = screen.tlen[selection.mark.row
3271 + TermWin.saveLines];
3272 for (end_row = selection.mark.row; end_row < TermWin.nrow; 3291 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3273 end_row++)
3274 { 3292 {
3275 end_col = screen.tlen[end_row + TermWin.saveLines]; 3293 if (!ROW(end_row).is_longer ())
3276 if (end_col != -1)
3277 { 3294 {
3278 selection.end.row = end_row; 3295 selection.end.row = end_row;
3279 selection.end.col = end_col; 3296 selection.end.col = ROW(end_row).l;
3297# if !ENABLE_MINIMAL
3280 selection_remove_trailing_spaces (); 3298 selection_remove_trailing_spaces ();
3299# endif
3281 break; 3300 break;
3282 } 3301 }
3283 } 3302 }
3284 } 3303 }
3285 else 3304 else
3286#endif 3305#endif
3287
3288 { 3306 {
3289 if (ROWCOL_IS_AFTER(selection.mark, selection.beg)) 3307 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3290 selection.mark.col++; 3308 selection.mark.col++;
3309
3291 selection.beg.col = 0; 3310 selection.beg.col = 0;
3292 selection.end.col = ncol; 3311 selection.end.col = ncol;
3312
3313 // select a complete logical line
3314 while (selection.beg.row > -saveLines
3315 && ROW(selection.beg.row - 1).is_longer ())
3316 selection.beg.row--;
3317
3318 while (selection.end.row < nrow
3319 && ROW(selection.end.row).is_longer ())
3320 selection.end.row++;
3293 } 3321 }
3294 } 3322 }
3323
3295 if (button3 && buttonpress) 3324 if (button3 && buttonpress)
3325 {
3296 { /* mark may need to be changed */ 3326 /* mark may need to be changed */
3297 if (closeto == LEFT) 3327 if (closeto == LEFT)
3298 { 3328 {
3299 selection.mark.row = selection.end.row; 3329 selection.mark.row = selection.end.row;
3300 selection.mark.col = selection.end.col 3330 selection.mark.col = selection.end.col - (selection.clicks == 2);
3301 - (selection.clicks == 2);
3302 } 3331 }
3303 else 3332 else
3304 { 3333 {
3305 selection.mark.row = selection.beg.row; 3334 selection.mark.row = selection.beg.row;
3306 selection.mark.col = selection.beg.col; 3335 selection.mark.col = selection.beg.col;
3307 } 3336 }
3308 } 3337 }
3309 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));
3310#endif /* ! NO_NEW_SELECTION */
3311}
3312 3338
3313#ifndef NO_FRILLS 3339#if !ENABLE_MINIMAL
3314void 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
3315rxvt_term::selection_remove_trailing_spaces () 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3316{ 3350{
3317 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3318 text_t *stp; 3352 text_t *stp;
3319 3353
3320 end_col = selection.end.col; 3354 end_col = selection.end.col;
3321 end_row = selection.end.row; 3355 end_row = selection.end.row;
3356
3322 for ( ; end_row >= selection.beg.row; ) 3357 for (; end_row >= selection.beg.row; )
3323 { 3358 {
3324 stp = screen.text[end_row + TermWin.saveLines]; 3359 stp = ROW(end_row).t;
3360
3325 while (--end_col >= 0) 3361 while (--end_col >= 0)
3326 { 3362 {
3327 if (stp[end_col] != ' ' && stp[end_col] != '\t') 3363 if (stp[end_col] != NOCHAR
3364 && !unicode::is_space (stp[end_col]))
3328 break; 3365 break;
3329 } 3366 }
3367
3330 if (end_col >= 0 3368 if (end_col >= 0
3331 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) 3369 || !ROW(end_row - 1).is_longer ())
3332 { 3370 {
3333 selection.end.col = end_col + 1; 3371 selection.end.col = end_col + 1;
3334 selection.end.row = end_row; 3372 selection.end.row = end_row;
3335 break; 3373 break;
3336 } 3374 }
3375
3337 end_row--; 3376 end_row--;
3338 end_col = TermWin.ncol; 3377 end_col = ncol;
3339 } 3378 }
3379
3340 if (selection.mark.row > selection.end.row) 3380 if (selection.mark.row > selection.end.row)
3341 { 3381 {
3342 selection.mark.row = selection.end.row; 3382 selection.mark.row = selection.end.row;
3343 selection.mark.col = selection.end.col; 3383 selection.mark.col = selection.end.col;
3344 } 3384 }
… …
3351/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3352/* 3392/*
3353 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3354 * EXT: button 3 double click 3394 * EXT: button 3 double click
3355 */ 3395 */
3356void 3396void ecb_cold
3357rxvt_term::selection_rotate (int x, int y) 3397rxvt_term::selection_rotate (int x, int y) noexcept
3358{ 3398{
3359 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3360 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3361} 3401}
3362
3363/* ------------------------------------------------------------------------- */
3364/*
3365 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3366 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3367 * the X11 protocol.
3368 */
3369typedef CARD32 Atom32;
3370 3402
3371/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3372/* 3404/*
3373 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3374 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3375 */ 3407 */
3376void 3408void ecb_cold
3377rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3378{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3379 XSelectionEvent ev; 3412 XSelectionEvent ev;
3380 XTextProperty ct;
3381 XICCEncodingStyle style;
3382 Atom target;
3383 3413
3384 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3385 ev.property = None; 3415 ev.property = None;
3386 ev.display = rq.display; 3416 ev.display = rq.display;
3387 ev.requestor = rq.requestor; 3417 ev.requestor = rq.requestor;
… …
3389 ev.target = rq.target; 3419 ev.target = rq.target;
3390 ev.time = rq.time; 3420 ev.time = rq.time;
3391 3421
3392 if (rq.target == xa[XA_TARGETS]) 3422 if (rq.target == xa[XA_TARGETS])
3393 { 3423 {
3394 Atom32 target_list[5]; 3424 Atom target_list[6];
3395 Atom32 *target = target_list; 3425 Atom *target = target_list;
3396 3426
3397 *target++ = (Atom32) xa[XA_TARGETS]; 3427 *target++ = xa[XA_TARGETS];
3428 *target++ = xa[XA_TIMESTAMP];
3398 *target++ = (Atom32) XA_STRING; 3429 *target++ = XA_STRING;
3399 *target++ = (Atom32) xa[XA_TEXT]; 3430 *target++ = xa[XA_TEXT];
3400 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3401#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3402 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3403#endif 3434#endif
3435
3404 XChangeProperty(display->display, rq.requestor, rq.property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3405 (8 * sizeof(target_list[0])), PropModeReplace, 3437 32, PropModeReplace,
3406 (unsigned char *)target_list, 3438 (unsigned char *)target_list, target - target_list);
3407 target - target_list);
3408 ev.property = rq.property; 3439 ev.property = property;
3409 } 3440 }
3441#if TODO // TODO
3410 else if (rq.target == xa[XA_MULTIPLE]) 3442 else if (rq.target == xa[XA_MULTIPLE])
3411 { 3443 {
3412 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3413 } 3445 }
3446#endif
3414 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3415 { 3448 {
3416 XChangeProperty(display->display, rq.requestor, rq.property, XA_INTEGER, 3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3417 (8 * sizeof(Time)), PropModeReplace,
3418 (unsigned char *)&selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3419 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;
3420 } 3458 }
3421 else if (rq.target == XA_STRING 3459 else if (rq.target == XA_STRING
3422 || rq.target == xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3423 || rq.target == xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3424 || rq.target == xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
3425 ) 3463 )
3426 { 3464 {
3465 XTextProperty ct;
3466 Atom target = rq.target;
3427 short freect = 0; 3467 short freect = 0;
3428 int selectlen; 3468 int selectlen;
3429 char *cl; 3469 wchar_t *cl;
3430 3470 enum {
3431 target = rq.target; 3471 enc_string = XStringStyle,
3472 enc_text = XStdICCTextStyle,
3473 enc_compound_text = XCompoundTextStyle,
3474#ifdef X_HAVE_UTF8_STRING
3475 enc_utf8 = XUTF8StringStyle,
3476#else
3477 enc_utf8 = -1,
3478#endif
3479 } style;
3432 3480
3433 if (target == XA_STRING) 3481 if (target == XA_STRING)
3434 // 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
3435 // will ask for another format anyways. 3483 // will ask for another format anyways.
3436 style = XStringStyle; 3484 style = enc_string;
3437 else if (target == xa[XA_TEXT]) 3485 else if (target == xa[XA_TEXT])
3438 style = XTextStyle; 3486 style = enc_text;
3439 else if (target == xa[XA_COMPOUND_TEXT]) 3487 else if (target == xa[XA_COMPOUND_TEXT])
3440 style = XCompoundTextStyle; 3488 style = enc_compound_text;
3441#if X_HAVE_UTF8_STRING 3489#if !ENABLE_MINIMAL
3442 else if (target == xa[XA_UTF8_STRING]) 3490 else if (target == xa[XA_UTF8_STRING])
3443 style = XUTF8StringStyle; 3491 style = enc_utf8;
3444#endif 3492#endif
3445 else 3493 else
3446 { 3494 {
3447 target = xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3448 style = XCompoundTextStyle; 3496 style = enc_compound_text;
3449 }
3450
3451 if (selection.text)
3452 { 3497 }
3498
3499 if (rq.selection == XA_PRIMARY && selection.text)
3500 {
3453 cl = (char *)selection.text; 3501 cl = selection.text;
3454 selectlen = selection.len; 3502 selectlen = selection.len;
3455 } 3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3456 else 3509 else
3457 { 3510 {
3458 cl = ""; 3511 cl = (wchar_t *)L"";
3459 selectlen = 0; 3512 selectlen = 0;
3460 } 3513 }
3461 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)
3519 {
3520 freect = 1;
3521 ct.encoding = target;
3522 ct.format = 8;
3523 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3524 ct.nitems = strlen ((char *)ct.value);
3525 }
3526 else
3527#endif
3462 if (XmbTextListToTextProperty(display->display, &cl, 1, style, &ct) >= 0) 3528 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3463 freect = 1; 3529 freect = 1;
3464 else 3530 else
3465 { 3531 {
3466 /* if we failed to convert then send it raw */ 3532 /* if we failed to convert then send it raw */
3467 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3468 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3535 ct.encoding = target;
3469 } 3536 }
3470 3537
3471 XChangeProperty (display->display, rq.requestor, rq.property, 3538 XChangeProperty (dpy, rq.requestor, property,
3472 target, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3473 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3474 ev.property = rq.property; 3541 ev.property = property;
3475 3542
3476 if (freect) 3543 if (freect)
3477 XFree (ct.value); 3544 XFree (ct.value);
3478 } 3545 }
3546
3479 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3480} 3548}
3481 3549
3482/* ------------------------------------------------------------------------- * 3550/* ------------------------------------------------------------------------- */
3483 * MOUSE ROUTINES *
3484 * ------------------------------------------------------------------------- */
3485
3486/*
3487 * return col/row values corresponding to x/y pixel values
3488 */
3489void
3490rxvt_term::pixel_position (int *x, int *y)
3491{
3492 *x = Pixel2Col(*x);
3493 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3494 *y = Pixel2Row(*y);
3495 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3496}
3497
3498/* ------------------------------------------------------------------------- */
3499#ifdef USE_XIM 3551#if USE_XIM
3500void 3552void ecb_cold
3501rxvt_term::im_set_position (XPoint *pos) 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3502{ 3554{
3503 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3504 3556
3505 XGetWindowAttributes (display->display, TermWin.vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3558
3506 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3559 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3507 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3560 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3508} 3561}
3509
3510#endif 3562#endif
3511/* ------------------------------------------------------------------------- */ 3563
3512 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
3513/* ------------------------------------------------------------------------- * 3702/* ------------------------------------------------------------------------- */
3514 * DEBUG ROUTINES *
3515 * ------------------------------------------------------------------------- */
3516#if 0
3517void
3518rxvt_debug_colors(void)
3519{
3520 int color;
3521 const char *name[] =
3522 {
3523 "fg", "bg",
3524 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3525 };
3526 3703
3527 fprintf(stderr, "Color ( ");
3528 if (rstyle & RS_RVid)
3529 fprintf(stderr, "rvid ");
3530 if (rstyle & RS_Bold)
3531 fprintf(stderr, "bold ");
3532 if (rstyle & RS_Blink)
3533 fprintf(stderr, "blink ");
3534 if (rstyle & RS_Uline)
3535 fprintf(stderr, "uline ");
3536 fprintf(stderr, "): ");
3537
3538 color = GET_FGCOLOR(rstyle);
3539#ifndef NO_BRIGHTCOLOR
3540 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3541 {
3542 color -= (minBrightCOLOR - minCOLOR);
3543 fprintf(stderr, "bright ");
3544 }
3545#endif
3546 fprintf(stderr, "%s on ", name[color]);
3547
3548 color = GET_BGCOLOR(rstyle);
3549#ifndef NO_BRIGHTCOLOR
3550 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3551 {
3552 color -= (minBrightCOLOR - minCOLOR);
3553 fprintf(stderr, "bright ");
3554 }
3555#endif
3556 fprintf(stderr, "%s\n", name[color]);
3557}
3558#endif

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