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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.21 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.464 by root, Thu Aug 4 18:11:59 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
6 * 8 *
7 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version. 12 * (at your option) any later version.
11 * 13 *
12 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
16 * 18 *
17 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
21/* 24/*
22 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
23 */ 26 */
24 27
25#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
29 31
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 32#include <inttypes.h>
33#include <wchar.h>
34 33
35#include "salloc.C" // HACK!! 34static inline void
36
37inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
38{ 36{
39 while (len--) 37 while (len--)
40 *start++ = value; 38 *start++ = value;
41} 39}
42 40
43/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
46 43
47/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 47#define ZERO_SCROLLBACK() \
51 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
52 TermWin.view_start = 0 49 view_start = 0
53#define CLEAR_SELECTION() \ 50#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 51 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 53#define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \ 54 selection.beg.row = selection.beg.col \
58 = selection.mark.row = selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
60 57
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
73 70
74/* these must be row_col_t */ 71/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 81 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 84
88/* 85/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 87 */
93#define drawBuffer TermWin.vt
94
95#define CLEAR_ROWS(row, num) \
96 if (TermWin.mapped) \
97 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel(row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel(num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 89 if (mapped) \
103 XClearArea (Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel(row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel(num))
112 93
113/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
116/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
117void 99void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
119{ 101{
120 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
122 116
123 while (width--) 117 while (width--)
124 { 118 {
125 *et++ = ' '; 119 *et++ = ' ';
126 *er++ = efs; 120 *er++ = efs;
… …
128} 122}
129 123
130/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
132void 126void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
134{ 128{
135#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 130
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
145} 164}
146 165
147/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
150void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
151rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
152{ 216{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
154 unsigned int p, q; 218 scr_overlay_off ();
155 int k; 219#endif
156 rend_t setrstyle;
157 220
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 221 view_start = 0;
161 num_scr = 0; 222 num_scr = 0;
162 223
163 if (TermWin.ncol == 0) 224 if (ncol == 0)
164 TermWin.ncol = 80; 225 ncol = 80;
165 226
166 if (TermWin.nrow == 0) 227 if (nrow == 0)
167 TermWin.nrow = 24; 228 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 229
172 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 231 return;
174 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
175 want_refresh = 1; 242 want_refresh = 1;
176 243
244 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 246
180 screen.tscroll = 0; 247 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
182 249
183 if (!talloc) 250 void *prev_chunk = chunk;
184 { 251 size_t prev_chunk_size = chunk_size;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
187 } 259 {
188 260 top_row = 0;
189 if (prev_nrow == 0) 261 term_start = 0;
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 262
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 267 screen.charset = 0;
223 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
235 selection.text = NULL; 280 selection.text = NULL;
236 selection.len = 0; 281 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
241 rvideo = 0; 286 selection.clip_len = 0;
242 } 287 }
243 else 288 else
244 { 289 {
245 /* 290 /*
246 * add or delete rows as appropriate 291 * add or delete rows as appropriate
247 */ 292 */
248 setrstyle = DEFAULT_RSTYLE;
249 293
250 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 304 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 305
256 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
257 { 321 {
258 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 328 {
261#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 330
263#endif 331 plines++;
264 talloc->free (screen.text[q]); 332 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 333 }
267 if (swap.text[p]) 334
335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 q -= qlines;
338
339 // drop partial lines completely
340 if (q < 0)
341 break;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
268 { 348 {
269#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
270 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
271#endif 351 qline->l = ncol;
272 talloc->free (swap.text[p]); 352 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
274 } 385 }
275#ifdef DEBUG_STRICT 386
276 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 388 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 390 }
281 391 while (p != pend && q > 0);
282 /* we have fewer rows so fix up cursor position */
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1);
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285
286 scr_reset_realloc (); /* realloc _last_ */
287 }
288 else if (nrow > prev_nrow)
289 { 392 }
290 /* add rows */ 393 else
291 scr_reset_realloc (); /* realloc _first_ */ 394#endif
292 395 {
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 396 // wing, instead of wrap
294 397 do
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 398 {
299 screen.tlen[p] = 0; 399 p = MOD (p - 1, prev_total_rows);
300 screen.text[p] = NULL; 400 q--;
301 screen.rend[p] = NULL; 401
402 copy_line (row_buf [q], prev_row_buf [p]);
302 } 403 }
303 404 while (p != pend);
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
306
307 for (p = prev_nrow; p < nrow; p++)
308 {
309 swap.tlen[p] = 0;
310 swap.text[p] = NULL;
311 swap.rend[p] = NULL;
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
316 }
317
318 if (k > 0)
319 {
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
321 screen.cur.row += k;
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
324 }
325#ifdef DEBUG_STRICT
326 assert(screen.cur.row < TermWin.nrow);
327 assert(swap.cur.row < TermWin.nrow);
328#else /* drive with your eyes closed */
329
330 MIN_IT(screen.cur.row, nrow - 1);
331 MIN_IT(swap.cur.row, nrow - 1);
332#endif
333 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
334 }
335
336 /* resize columns */
337 if (ncol != prev_ncol)
338 { 405 }
339 int common = min (prev_ncol, ncol); 406
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 407 term_start = total_rows - nrow;
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 408 top_row = q - term_start;
409
410 // make sure all terminal lines exist
411 while (top_row > 0)
412 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
413
414 clamp_it (screen.cur.row, 0, nrow - 1);
415 clamp_it (screen.cur.col, 0, ncol - 1);
342 416 }
343 for (p = 0; p < total_rows; p++)
344 {
345 if (screen.text[p])
346 {
347 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
348 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
349 417
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 418 for (int row = nrow; row--; )
351
352 if (ncol > prev_ncol)
353 scr_blank_line (&(screen.text[p][prev_ncol]),
354 &(screen.rend[p][prev_ncol]),
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359
360 for (p = 0; p < nrow; p++)
361 {
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
364
365 if (ncol > prev_ncol)
366 scr_blank_line (&(drawn_text[p][prev_ncol]),
367 &(drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
369
370 if (swap.text[p])
371 {
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
374
375 MIN_IT(swap.tlen[p], (int16_t)ncol);
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&(swap.text[p][prev_ncol]),
379 &(swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
381 }
382
383 }
384
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
387
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
390 }
391
392 if (tabs)
393 free(tabs);
394 } 419 {
420 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
421 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
422 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
423 }
424
425 chunk_free (prev_chunk, prev_chunk_size);
426
427 free (tabs);
428 tabs = (char *)rxvt_malloc (ncol);
429
430 for (int col = ncol; col--; )
431 tabs [col] = col % TABSIZE == 0;
432
433 CLEAR_ALL_SELECTION ();
395 434
396 prev_nrow = nrow; 435 prev_nrow = nrow;
397 prev_ncol = ncol; 436 prev_ncol = ncol;
398 437
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 (); 438 tt_winch ();
405}
406 439
407void 440 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} 441}
429 442
430/* ------------------------------------------------------------------------- */ 443void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 444rxvt_term::scr_release () noexcept
436{ 445{
437 uint16_t total_rows; 446 chunk_free (chunk, chunk_size);
438 int i; 447 chunk = 0;
448 row_buf = 0;
439 449
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); 450 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; 451 tabs = 0;
473} 452}
474 453
475/* ------------------------------------------------------------------------- */ 454/* ------------------------------------------------------------------------- */
476/* 455/*
477 * Hard reset 456 * Hard/Soft reset
478 */ 457 */
479void 458void ecb_cold
480rxvt_term::scr_poweron () 459rxvt_term::scr_poweron ()
481{ 460{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 461 scr_release ();
462
485 prev_nrow = prev_ncol = 0; 463 prev_nrow = prev_ncol = 0;
464 rvideo_mode = false;
465 scr_soft_reset ();
486 scr_reset (); 466 scr_reset ();
487 467
488 scr_clear (); 468 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 469 scr_refresh ();
490#ifdef RXVT_GRAPHICS 470}
491 Gr_reset (); 471
472void ecb_cold
473rxvt_term::scr_soft_reset () noexcept
474{
475 /* only affects modes, nothing drastic such as clearing the screen */
476#if ENABLE_OVERLAY
477 scr_overlay_off ();
492#endif 478#endif
479
480 if (current_screen != PRIMARY)
481 scr_swap_screen ();
482
483 scr_scroll_region (0, MAX_ROWS - 1);
484 scr_rendition (0, ~RS_None);
485 scr_insert_mode (0);
493} 486}
494 487
495/* ------------------------------------------------------------------------- * 488/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 489 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 490 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 492 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 493 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 494 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 495 */
503void 496void
504rxvt_term::scr_cursor (int mode) 497rxvt_term::scr_cursor (cursor_mode mode) noexcept
505{ 498{
506 screen_t *s; 499 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 500
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 501#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 502 if (current_screen == SECONDARY)
512 s = &(swap); 503 s = &swap;
513 else 504 else
514#endif 505#endif
515 s = &(screen); 506 s = &screen;
507
516 switch (mode) { 508 switch (mode)
509 {
517 case SAVE: 510 case SAVE:
518 s->s_cur.row = s->cur.row; 511 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 512 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 513 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 514 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 515 s->s_charset_char = charsets[screen.charset];
523 break; 516 break;
517
524 case RESTORE: 518 case RESTORE:
525 want_refresh = 1; 519 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 520 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 521 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 522 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 523 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 524 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 525 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 526 set_font_style ();
533 break; 527 break;
534 } 528 }
529
535/* boundary check in case screen size changed between SAVE and RESTORE */ 530 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 531 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 532 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 533 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 534 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 535}
542 MAX_IT(s->cur.row, 0); 536
543 MAX_IT(s->cur.col, 0); 537void
544#endif 538rxvt_term::scr_swap_screen () noexcept
539{
540 if (!option (Opt_secondaryScreen))
541 return;
542
543 for (int i = prev_nrow; i--; )
544 ::swap (ROW(i), swap_buf [i]);
545
546 ::swap (screen.cur, swap.cur);
547
548 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
549 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 550}
546 551
547/* ------------------------------------------------------------------------- */ 552/* ------------------------------------------------------------------------- */
548/* 553/*
549 * Swap between primary and secondary screens 554 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 555 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 556 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 557 */
553int 558void
554rxvt_term::scr_change_screen (int scrn) 559rxvt_term::scr_change_screen (int scrn)
555{ 560{
556 int i; 561 if (scrn == current_screen)
562 return;
563
564 want_refresh = 1;
565 view_start = 0;
566
567 /* check for boundary cross */
568 row_col_t pos;
569 pos.row = pos.col = 0;
570 if (ROWCOL_IS_BEFORE (selection.beg, pos)
571 && ROWCOL_IS_AFTER (selection.end, pos))
572 CLEAR_SELECTION ();
573
574 current_screen = scrn;
575
557#if NSCREENS 576#if NSCREENS
558 int offset; 577 if (option (Opt_secondaryScreen))
559#endif 578 {
560
561 want_refresh = 1;
562
563 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
564
565 TermWin.view_start = 0;
566
567 if (current_screen == scrn)
568 return current_screen;
569
570 selection_check (2); /* check for boundary cross */
571
572 SWAP_IT(current_screen, scrn, int);
573#if NSCREENS
574 num_scr = 0; 579 num_scr = 0;
575 offset = TermWin.saveLines; 580
576 for (i = prev_nrow; i--;) { 581 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 582
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 583 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 584 ::swap (screen.flags, swap.flags);
580 }
581 SWAP_IT(screen.cur.row, swap.cur.row, int16_t);
582 SWAP_IT(screen.cur.col, swap.cur.col, int16_t);
583# ifdef DEBUG_STRICT
584 assert((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
585 assert((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
586# else /* drive with your eyes closed */
587 MAX_IT(screen.cur.row, 0);
588 MIN_IT(screen.cur.row, (int32_t)prev_nrow - 1);
589 MAX_IT(screen.cur.col, 0);
590 MIN_IT(screen.cur.col, (int32_t)prev_ncol - 1);
591# endif
592 SWAP_IT(screen.charset, swap.charset, int16_t);
593 SWAP_IT(screen.flags, swap.flags, int);
594 screen.flags |= Screen_VisibleCursor; 585 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 586 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 587 }
588 else
603# endif 589#endif
604#else 590 if (option (Opt_secondaryScroll))
605# ifdef SCROLL_ON_NO_SECONDARY
606# ifdef RXVT_GRAPHICS
607 if (Gr_Displayed ())
608 Gr_ClearScreen ();
609# endif
610 if (current_screen == PRIMARY
611# ifdef RXVT_GRAPHICS
612 && !Gr_Displayed ()
613# endif
614 )
615 scr_scroll_text(0, (prev_nrow - 1), prev_nrow, 0); 591 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 592}
617#endif 593
594// clear WrapNext indicator, solidifying position on next line
595void
596rxvt_term::scr_do_wrap () noexcept
597{
598 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 599 return;
600
601 screen.flags &= ~Screen_WrapNext;
602
603 screen.cur.col = 0;
604
605 if (screen.cur.row == screen.bscroll)
606 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
607 else if (screen.cur.row < nrow - 1)
608 screen.cur.row++;
619} 609}
620 610
621/* ------------------------------------------------------------------------- */ 611/* ------------------------------------------------------------------------- */
622/* 612/*
623 * Change the colour for following text 613 * Change the colour for following text
624 */ 614 */
625void 615void
626rxvt_term::scr_color (unsigned int color, int fgbg) 616rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
627{ 617{
618 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
628 color &= RS_fgMask; 619 color = fgbg;
620
629 if (fgbg == Color_fg) 621 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 622 rstyle = SET_FGCOLOR (rstyle, color);
631 else 623 else
632 rstyle = SET_BGCOLOR(rstyle, color); 624 rstyle = SET_BGCOLOR (rstyle, color);
633} 625}
634 626
635/* ------------------------------------------------------------------------- */ 627/* ------------------------------------------------------------------------- */
636/* 628/*
637 * Change the rendition style for following text 629 * Change the rendition style for following text
638 */ 630 */
639void 631void
640rxvt_term::scr_rendition (int set, int style) 632rxvt_term::scr_rendition (int set, int style) noexcept
641{ 633{
642 if (set) 634 if (set)
643 rstyle |= style; 635 rstyle |= style;
644 else if (style == ~RS_None) 636 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 637 rstyle = DEFAULT_RSTYLE;
646 else 638 else
647 rstyle &= ~style; 639 rstyle &= ~style;
648} 640}
649 641
650/* ------------------------------------------------------------------------- */ 642/* ------------------------------------------------------------------------- */
651/* 643/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 644 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 645 * count positive ==> scroll up
654 * count negative ==> scroll down 646 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 647 */
657int 648int ecb_hot
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 649rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
659{ 650{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 651 if (count == 0 || (row1 > row2))
664 return 0; 652 return 0;
665 653
666 want_refresh = 1; 654 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 655 num_scr += count;
668 656
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 657 if (count > 0
658 && row1 == 0
659 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
660 {
661 min_it (count, total_rows - (nrow - (row2 + 1)));
662
663 top_row = max (top_row - count, -saveLines);
664
665 // sever bottommost line
670 { 666 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 667 line_t &l = ROW(row2);
672 668 l.is_longer (0);
673 if (nscrolled > (long)TermWin.saveLines) 669 l.touch ();
674 TermWin.nscrolled = TermWin.saveLines;
675 else
676 TermWin.nscrolled = (uint16_t)nscrolled;
677
678 if ((Options & Opt_scrollWithBuffer)
679 && TermWin.view_start != 0
680 && TermWin.view_start != TermWin.saveLines)
681 scr_page (UP, count);
682 } 670 }
683 else if (!spec)
684 row1 += TermWin.saveLines;
685 671
686 row2 += TermWin.saveLines; 672 // scroll everything up 'count' lines
673 term_start = (term_start + count) % total_rows;
687 674
675 // now copy lines below the scroll region bottom to the
676 // bottom of the screen again, so they look as if they
677 // hadn't moved.
678 for (int i = nrow; --i > row2; )
679 {
680 line_t &l1 = ROW(i - count);
681 line_t &l2 = ROW(i);
682
683 ::swap (l1, l2);
684 l2.touch ();
685 }
686
687 // erase newly scrolled-in lines
688 for (int i = count; i--; )
689 {
690 line_t &l = ROW(row2 - i);
691
692 // optimise if already cleared, can be significant on slow machines
693 // could be rolled into scr_blank_screen_mem
694 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
695 {
696 scr_blank_line (l, 0, l.l, rstyle);
697 l.l = 0;
698 l.f = 0;
699 }
700 else
701 scr_blank_screen_mem (l, rstyle);
702 }
703
704 // move and/or clear selection, if any
688 if (selection.op && current_screen == selection.screen) 705 if (selection.op && current_screen == selection.screen
689 { 706 && selection.beg.row <= row2)
690 i = selection.beg.row + TermWin.saveLines;
691 j = selection.end.row + TermWin.saveLines;
692 if ((i < row1 && j > row1)
693 || (i < row2 && j > row2)
694 || (i - count < row1 && i >= row1)
695 || (i - count > row2 && i <= row2)
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 {
699 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 707 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 708 selection.beg.row -= count;
706 selection.end.row -= count; 709 selection.end.row -= count;
707 selection.mark.row -= count; 710 selection.mark.row -= count;
708 }
709 }
710 711
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 712 selection_check (0);
712
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1;
720 MIN_IT(count, i);
721
722 if (j > 0)
723 {
724 /* A: scroll up */
725
726 /* A1: Copy lines that will get clobbered by the rotation */
727 for (i = 0, j = row1; i < count; i++, j++)
728 { 713 }
729 buf_text[i] = screen.text[j]; 714
730 buf_rend[i] = screen.rend[j]; 715 // finally move the view window, if desired
716 if (option (Opt_scrollWithBuffer)
717 && view_start != 0
718 && view_start != -saveLines)
719 scr_page (count);
720
721 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
722 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
723 }
724 else
725 {
726 if (selection.op && current_screen == selection.screen)
731 } 727 {
732 /* A2: Rotate lines */ 728 if ((selection.beg.row < row1 && selection.end.row > row1)
733 for (j = row1, i = j + count; i <= row2; i++, j++) 729 || (selection.beg.row < row2 && selection.end.row > row2)
730 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
731 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
732 || (selection.end.row - count < row1 && selection.end.row >= row1)
733 || (selection.end.row - count > row2 && selection.end.row <= row2))
734 {
735 CLEAR_ALL_SELECTION ();
736 selection.op = SELECTION_CLEAR;
737 }
738 else if (selection.end.row >= row1 && selection.end.row <= row2)
739 {
740 /* move selected region too */
741 selection.beg.row -= count;
742 selection.end.row -= count;
743 selection.mark.row -= count;
744
745 selection_check (0);
746 }
734 { 747 }
735 screen.tlen[j] = screen.tlen[i]; 748
736 screen.text[j] = screen.text[i]; 749 // use a simple and robust scrolling algorithm, this
737 screen.rend[j] = screen.rend[i]; 750 // part of scr_scroll_text is not time-critical.
751
752 // sever line above scroll region
753 if (row1)
738 } 754 {
739 j = row2 - count + 1, i = count; 755 line_t &l = ROW(row1 - 1);
740 } 756 l.is_longer (0);
741 else /* if (j < 0) */ 757 l.touch ();
742 {
743 /* B: scroll down */
744
745 /* B1: Copy lines that will get clobbered by the rotation */
746 for (i = 0, j = row2; i < count; i++, j--)
747 { 758 }
748 buf_text[i] = screen.text[j]; 759
749 buf_rend[i] = screen.rend[j]; 760 int rows = row2 - row1 + 1;
761
762 min_it (count, rows);
763
764 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
765
766 for (int row = 0; row < rows; row++)
750 } 767 {
751 /* B2: Rotate lines */ 768 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
752 for (j = row2, i = j - count; i >= row1; i--, j--) 769
770 if (!IN_RANGE_EXC (row + count, 0, rows))
771 scr_blank_screen_mem (temp_buf [row], rstyle);
753 { 772 }
754 screen.tlen[j] = screen.tlen[i]; 773
755 screen.text[j] = screen.text[i]; 774 for (int row = 0; row < rows; row++)
756 screen.rend[j] = screen.rend[i]; 775 ROW(row1 + row) = temp_buf [row];
776
777 // sever bottommost line
778 {
779 line_t &l = ROW(row2);
780 l.is_longer (0);
781 l.touch ();
757 } 782 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 783 }
765 screen.tlen[j] = 0;
766 screen.text[j] = buf_text[i];
767 screen.rend[j] = buf_rend[i];
768
769 if (!spec) /* line length may not equal TermWin.ncol */
770 scr_blank_screen_mem (screen.text, screen.rend,
771 (unsigned int)j, rstyle);
772 }
773
774#ifdef RXVT_GRAPHICS
775 if (Gr_Displayed ())
776 Gr_scroll (count);
777#endif
778 784
779 return count; 785 return count;
780} 786}
781 787
782/* ------------------------------------------------------------------------- */ 788/* ------------------------------------------------------------------------- */
783/* 789/*
784 * Add text given in <str> of length <len> to screen struct 790 * Add text given in <str> of length <len> to screen struct
785 */ 791 */
786void 792void ecb_hot
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 793rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
788{ 794{
789 unsigned char checksel, clearsel;
790 uint32_t c;
791 int i, row, last_col;
792 text_t *stp;
793 rend_t *srp;
794
795 if (len <= 0) /* sanity */ 795 if (len <= 0) /* sanity */
796 return; 796 return;
797 797
798 bool checksel;
799 unicode_t c;
800 int ncol = this->ncol;
801 const wchar_t *strend = str + len;
802
798 want_refresh = 1; 803 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 804 ZERO_SCROLLBACK ();
805
803 if (nlines > 0) { 806 if (minlines > 0)
807 {
804 nlines += (screen.cur.row - screen.bscroll); 808 minlines += screen.cur.row - screen.bscroll;
809 min_it (minlines, screen.cur.row - top_row);
810
805 if ((nlines > 0) 811 if (minlines > 0
806 && (screen.tscroll == 0) 812 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 813 && screen.bscroll == nrow - 1)
814 {
808 /* _at least_ this many lines need to be scrolled */ 815 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 816 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 817 screen.cur.row -= minlines;
811 } 818 }
812 } 819 }
813#ifdef DEBUG_STRICT 820
814 assert(screen.cur.col < last_col); 821 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 822 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 823 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 824 int row = screen.cur.row;
818 MIN_IT(screen.cur.col, last_col - 1);
819 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
820 MAX_IT(screen.cur.row, -(int32_t)TermWin.nscrolled);
821#endif
822 row = screen.cur.row + TermWin.saveLines;
823 825
824 checksel = (selection.op 826 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 827
828 stp = screen.text[row]; 828 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 829
831 for (i = 0; i < len;) { 830 while (str < strend)
832 c = str[i++]; 831 {
833 switch (c) { 832 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 833
835 scr_tab (1); 834 if (ecb_unlikely (c < 0x20))
835 if (c == C0_LF)
836 {
837 max_it (line->l, screen.cur.col);
838
839 screen.flags &= ~Screen_WrapNext;
840
841 if (screen.cur.row == screen.bscroll)
842 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
843 else if (screen.cur.row < (nrow - 1))
844 row = ++screen.cur.row;
845
846 line = &ROW(row); /* _must_ refresh */
836 continue; 847 continue;
837 case '\n': 848 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 849 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 850 {
840 screen.flags &= ~Screen_WrapNext; 851 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 852
842 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
843 else if (screen.cur.row < (TermWin.nrow - 1))
844 row = (++screen.cur.row) + TermWin.saveLines;
845 stp = screen.text[row]; /* _must_ refresh */
846 srp = screen.rend[row]; /* _must_ refresh */
847 continue;
848 case '\r':
849 if (screen.tlen[row] != -1) /* XXX: think about this */
850 MAX_IT(screen.tlen[row], screen.cur.col);
851 screen.flags &= ~Screen_WrapNext; 853 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 854 screen.cur.col = 0;
853 continue; 855 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 856 }
857 else if (c == C0_HT)
858 {
859 scr_tab (1, true);
860 continue;
861 }
859 862
863 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 864 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 865 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 866 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
867 ))
868 {
863 checksel = 0; 869 checksel = 0;
864 clearsel = 1; 870 /*
871 * If we wrote anywhere in the selected area, kill the selection
872 * XXX: should we kill the mark too? Possibly, but maybe that
873 * should be a similar check.
874 */
875 CLEAR_SELECTION ();
876 }
877
878 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 879 {
866 if (screen.flags & Screen_WrapNext) { 880 scr_do_wrap ();
867 screen.tlen[row] = -1; 881
868 if (screen.cur.row == screen.bscroll) 882 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 883 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 884
871 row = (++screen.cur.row) + TermWin.saveLines;
872 stp = screen.text[row]; /* _must_ refresh */
873 srp = screen.rend[row]; /* _must_ refresh */
874 screen.cur.col = 0; 885 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 886 line = &ROW(row); /* _must_ refresh */
887 }
888
889 // some utf-8 decoders "decode" surrogate characters: let's fix this.
890 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
891 c = 0xfffd;
892
893 // rely on wcwidth to tell us the character width, do wcwidth before
894 // further replacements, as wcwidth might return -1 for the line
895 // drawing characters below as they might be invalid in the current
896 // locale.
897 int width = WCWIDTH (c);
898
899 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 900 {
877 if (screen.flags & Screen_Insert) 901 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 902 // 5f-7e standard vt100
903 // 40-5e rxvt extension for extra curses acs chars
904 static uint16_t vt100_0[62] = { // 41 .. 7e
905 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
906 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
907 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
908 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
909 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
910 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
911 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
912 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
913 };
879 914
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 915 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 916 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 917 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 918 width = 1; // vt100 line drawing characters are always single-width
885 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
886 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
887 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
888 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
889 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
890 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
891 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
892 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
893 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
894 } 919 }
920 }
895 921
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 922 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 923 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 924
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 925 if (width != 0)
926 {
927#if !UNICODE_3
928 // trim characters we can't store directly :(
929 if (c >= 0x10000)
930# if ENABLE_COMBINING
931 c = rxvt_composite.compose (c); // map to lower 16 bits
932# else
933 c = 0xfffd;
934# endif
935#endif
936
937 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
938
939 // if the character doesn't fit into the remaining columns...
940 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
941 {
942 if (screen.flags & Screen_Autowrap)
943 {
944 // ... artificially enlargen the previous one
945 c = NOCHAR;
946 // and try the same character next loop iteration
947 --str;
948 }
949 else
950 screen.cur.col = ncol - width;
951 }
952
953 // nuke the character at this position, if required
954 // due to wonderful coincidences everywhere else in this loop
955 // we never have to check for overwriting a wide char itself,
956 // only its tail.
957 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
958 scr_kill_char (*line, screen.cur.col);
959
960 line->touch ();
961
902 do 962 do
903 { 963 {
904 stp[screen.cur.col] = c; 964 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 965 line->r[screen.cur.col] = rend;
906 966
907 if (screen.cur.col < last_col - 1) 967 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 968 screen.cur.col++;
909 else 969 else
910 { 970 {
911 screen.tlen[row] = last_col; 971 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 972 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 973 screen.flags |= Screen_WrapNext;
914 break; 974
975 goto end_of_line;
915 } 976 }
916 977
917 c = NOCHAR; 978 c = NOCHAR;
918 } 979 }
919 while (--width > 0); 980 while (ecb_unlikely (--width > 0));
981
982 // pad with spaces when overwriting wide character with smaller one
983 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
984 {
985 line->t[c] = ' ';
986 line->r[c] = rend;
987 }
988
989end_of_line:
990 ;
991 }
992#if ENABLE_COMBINING
993 else // width == 0
994 {
995 if (c != 0xfeff) // ignore BOM
996 {
997 // handle combining characters
998 // we just tag the accent on the previous on-screen character.
999 // this is arguably not correct, but also arguably not wrong.
1000 // we don't handle double-width characters nicely yet.
1001 line_t *linep;
1002 text_t *tp;
1003 rend_t *rp;
1004
1005 if (screen.cur.col > 0)
1006 {
1007 linep = line;
1008 tp = line->t + screen.cur.col - 1;
1009 rp = line->r + screen.cur.col - 1;
1010 }
1011 else if (screen.cur.row > 0
1012 && ROW(screen.cur.row - 1).is_longer ())
1013 {
1014 linep = &ROW(screen.cur.row - 1);
1015 tp = linep->t + ncol - 1;
1016 rp = linep->r + ncol - 1;
1017 }
920 else 1018 else
921 (void)0; /* handle combining character etc. here. */ 1019 continue;
922 }
923 1020
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1021 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1022
927/* 1023 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1024 tp--, rp--;
929 * XXX: should we kill the mark too? Possibly, but maybe that
930 * should be a similar check.
931 */
932 if (clearsel)
933 CLEAR_SELECTION();
934 1025
935#ifdef DEBUG_STRICT 1026 // first try to find a precomposed character
1027 unicode_t n = rxvt_compose (*tp, c);
1028 if (n == NOCHAR)
1029 n = rxvt_composite.compose (*tp, c);
1030
1031 *tp = n;
1032 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1033 }
1034 }
1035#endif
1036 }
1037
1038 max_it (line->l, screen.cur.col);
1039
936 assert(screen.cur.row >= 0); 1040 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1041}
941 1042
942/* ------------------------------------------------------------------------- */ 1043/* ------------------------------------------------------------------------- */
943/* 1044/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1045 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1046 * XTERM_SEQ: CTRL-H
946 */ 1047 */
947void 1048void
948rxvt_term::scr_backspace () 1049rxvt_term::scr_backspace () noexcept
949{ 1050{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1051 if (screen.cur.col == 0)
1052 {
952 if (screen.cur.row > 0) { 1053 if (screen.cur.row > 0)
1054 {
953#ifdef TERMCAP_HAS_BW 1055#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1056 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1057 --screen.cur.row;
956 return; 1058
1059 want_refresh = 1;
957#endif 1060#endif
958 } 1061 }
1062 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1063 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1064 screen.flags &= ~Screen_WrapNext;
1065 else
1066 scr_gotorc (0, -1, RELATIVE);
962} 1067}
963 1068
964/* ------------------------------------------------------------------------- */ 1069/* ------------------------------------------------------------------------- */
965/* 1070/*
966 * Process Horizontal Tab 1071 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1072 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1073 * XTERM_SEQ: CTRL-I
969 */ 1074 */
970void 1075void
971rxvt_term::scr_tab (int count) 1076rxvt_term::scr_tab (int count, bool ht) noexcept
972{ 1077{
973 int i, x; 1078 int i, x;
974 1079
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1080 want_refresh = 1;
977 i = x = screen.cur.col; 1081 i = x = screen.cur.col;
1082
978 if (count == 0) 1083 if (count == 0)
979 return; 1084 return;
980 else if (count > 0) { 1085 else if (count > 0)
1086 {
1087 line_t &l = ROW(screen.cur.row);
1088 rend_t base_rend = l.r[i];
1089 ht &= l.t[i] == ' ';
1090
981 for (; ++i < TermWin.ncol; ) 1091 for (; ++i < ncol; )
982 if (tabs[i]) { 1092 if (tabs[i])
1093 {
983 x = i; 1094 x = i;
1095
984 if (!--count) 1096 if (!--count)
985 break; 1097 break;
1098 }
1099 else
1100 ht &= l.t[i] == ' '
1101 && RS_SAME (l.r[i], base_rend);
1102
1103 if (count)
1104 x = ncol - 1;
1105
1106 // store horizontal tab commands as characters inside the text
1107 // buffer so they can be selected and pasted.
1108 if (ht && option (Opt_pastableTabs))
1109 {
1110 base_rend = SET_FONT (base_rend, 0);
1111
1112 l.touch (x);
1113
1114 i = screen.cur.col;
1115
1116 l.t[i] = '\t';
1117 l.r[i] = base_rend;
1118
1119 while (++i < x)
1120 {
1121 l.t[i] = NOCHAR;
1122 l.r[i] = base_rend;
986 } 1123 }
987 if (count) 1124 }
988 x = TermWin.ncol - 1; 1125 }
989 } else /* if (count < 0) */ { 1126 else /* if (count < 0) */
1127 {
990 for (; --i >= 0; ) 1128 for (; --i >= 0; )
991 if (tabs[i]) { 1129 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1130 {
996 if (count)
997 x = 0; 1131 x = i;
1132 if (!++count)
1133 break;
1134 }
1135
1136 if (count)
1137 x = 0;
998 } 1138 }
1139
999 if (x != screen.cur.col) 1140 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1141 scr_gotorc (0, x, R_RELATIVE);
1001} 1142}
1002 1143
1003/* ------------------------------------------------------------------------- */ 1144/* ------------------------------------------------------------------------- */
1004/* 1145/*
1005 * Process DEC Back Index 1146 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1147 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1148 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1149 * in that row right. Clear left column.
1009 */ 1150 */
1010#ifndef NO_FRILLS 1151#if !ENABLE_MINIMAL
1011void 1152void ecb_cold
1012rxvt_term::scr_backindex () 1153rxvt_term::scr_backindex () noexcept
1013{ 1154{
1014 if (screen.cur.col > 0) 1155 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1156 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1157 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1158 scr_insdel_chars (1, INSERT);
1020 }
1021} 1159}
1022#endif 1160#endif
1023/* ------------------------------------------------------------------------- */ 1161/* ------------------------------------------------------------------------- */
1024/* 1162/*
1025 * Process DEC Forward Index 1163 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1164 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1165 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1166 * in that row left. Clear right column.
1029 */ 1167 */
1030#ifndef NO_FRILLS 1168#if !ENABLE_MINIMAL
1031void 1169void ecb_cold
1032rxvt_term::scr_forwardindex () 1170rxvt_term::scr_forwardindex () noexcept
1033{ 1171{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1172 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1173 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1174 else
1039 row = screen.cur.row + TermWin.saveLines; 1175 {
1040 if (screen.tlen[row] == 0) 1176 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1177
1042 else if (screen.tlen[row] == -1) 1178 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1179 l.is_longer (0);
1180
1044 scr_gotorc (0, 0, R_RELATIVE); 1181 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1182 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1183 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1184 }
1048} 1185}
1049#endif 1186#endif
1050 1187
1051/* ------------------------------------------------------------------------- */ 1188/* ------------------------------------------------------------------------- */
1052/* 1189/*
1053 * Goto Row/Column 1190 * Goto Row/Column
1054 */ 1191 */
1055void 1192void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1193rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1057{ 1194{
1058 want_refresh = 1; 1195 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1196 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1197
1065 D_SCREEN((stderr, "rxvt_scr_gotorc(r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col));
1066
1067 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1198 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1199 clamp_it (screen.cur.col, 0, ncol - 1);
1069 MAX_IT(screen.cur.col, 0);
1070 MIN_IT(screen.cur.col, (int32_t)TermWin.ncol - 1);
1071 1200
1072 screen.flags &= ~Screen_WrapNext; 1201 screen.flags &= ~Screen_WrapNext;
1202
1073 if (relative & R_RELATIVE) { 1203 if (relative & R_RELATIVE)
1204 {
1074 if (row > 0) { 1205 if (row > 0)
1206 {
1075 if (screen.cur.row <= screen.bscroll 1207 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1208 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1209 screen.cur.row = screen.bscroll;
1078 else 1210 else
1079 screen.cur.row += row;
1080 } else if (row < 0) {
1081 if (screen.cur.row >= screen.tscroll
1082 && (screen.cur.row + row) < screen.tscroll)
1083 screen.cur.row = screen.tscroll;
1084 else
1085 screen.cur.row += row;
1086 }
1087 } else {
1088 if (screen.flags & Screen_Relative) { /* relative origin mode */
1089 screen.cur.row = row + screen.tscroll;
1090 MIN_IT(screen.cur.row, screen.bscroll);
1091 } else
1092 screen.cur.row = row; 1211 screen.cur.row += row;
1212 }
1213 else if (row < 0)
1214 {
1215 if (screen.cur.row >= screen.tscroll
1216 && (screen.cur.row + row) < screen.tscroll)
1217 screen.cur.row = screen.tscroll;
1218 else
1219 screen.cur.row += row;
1220 }
1221 }
1222 else
1093 } 1223 {
1094 MAX_IT(screen.cur.row, 0); 1224 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1225 {
1096} 1226 /* relative origin mode */
1227 screen.cur.row = row + screen.tscroll;
1228 min_it (screen.cur.row, screen.bscroll);
1229 }
1230 else
1231 screen.cur.row = row;
1232 }
1097 1233
1234 clamp_it (screen.cur.row, 0, nrow - 1);
1235}
1236
1098/* ------------------------------------------------------------------------- */ 1237/* ------------------------------------------------------------------------- */
1099/* 1238/*
1100 * direction should be UP or DN 1239 * direction should be UP or DN
1101 */ 1240 */
1102void 1241void
1103rxvt_term::scr_index (enum page_dirn direction) 1242rxvt_term::scr_index (enum page_dirn direction) noexcept
1104{ 1243{
1105 int dirn;
1106
1107 want_refresh = 1; 1244 want_refresh = 1;
1108 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110
1111 ZERO_SCROLLBACK(); 1245 ZERO_SCROLLBACK ();
1112 1246
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1247 screen.flags &= ~Screen_WrapNext;
1248
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1249 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1250 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1251 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1122 else 1252 else
1123 screen.cur.row += dirn; 1253 screen.cur.row += direction;
1124 MAX_IT(screen.cur.row, 0); 1254
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1255 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1256 selection_check (0);
1127} 1257}
1128 1258
1129/* ------------------------------------------------------------------------- */ 1259/* ------------------------------------------------------------------------- */
1130/* 1260/*
1131 * Erase part or whole of a line 1261 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1262 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1263 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1264 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1265 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1266 */
1136void 1267void
1137rxvt_term::scr_erase_line (int mode) 1268rxvt_term::scr_erase_line (int mode) noexcept
1138{ 1269{
1139 unsigned int row, col, num; 1270 unsigned int col, num;
1140 1271
1141 want_refresh = 1; 1272 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1273 ZERO_SCROLLBACK ();
1144 1274
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1275 selection_check (1);
1151 1276
1152 screen.flags &= ~Screen_WrapNext; 1277 line_t &line = ROW(screen.cur.row);
1153 1278
1154 row = TermWin.saveLines + screen.cur.row; 1279 line.touch ();
1280 line.is_longer (0);
1281
1155 switch (mode) 1282 switch (mode)
1156 { 1283 {
1284 case 3:
1285 if (screen.flags & Screen_WrapNext)
1286 return;
1287
1288 /* fall through */
1289
1157 case 0: /* erase to end of line */ 1290 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1291 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1292 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1293 min_it (line.l, col);
1294
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1295 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1296 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1297 CLEAR_SELECTION ();
1164 break; 1298 break;
1299
1165 case 1: /* erase to beginning of line */ 1300 case 1: /* erase to beginning of line */
1166 col = 0; 1301 col = 0;
1167 num = screen.cur.col + 1; 1302 num = screen.cur.col + 1;
1303
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1304 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1305 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1306 CLEAR_SELECTION ();
1171 break; 1307 break;
1308
1172 case 2: /* erase whole line */ 1309 case 2: /* erase whole line */
1173 col = 0; 1310 col = 0;
1174 num = TermWin.ncol; 1311 num = ncol;
1175 screen.tlen[row] = 0; 1312 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1313 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1314 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1315 CLEAR_SELECTION ();
1179 break; 1316 break;
1180 default: 1317 default:
1181 return; 1318 return;
1182 } 1319 }
1183 1320
1184 if (screen.text[row]) 1321 scr_blank_line (line, col, num, rstyle);
1185 scr_blank_line (&(screen.text[row][col]),
1186 &(screen.rend[row][col]), num, rstyle);
1187 else
1188 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1189} 1322}
1190 1323
1191/* ------------------------------------------------------------------------- */ 1324/* ------------------------------------------------------------------------- */
1192/* 1325/*
1193 * Erase part of whole of the screen 1326 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1327 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1328 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1329 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1330 */
1198void 1331void
1199rxvt_term::scr_erase_screen (int mode) 1332rxvt_term::scr_erase_screen (int mode) noexcept
1200{ 1333{
1201 int num; 1334 int num;
1202 int32_t row, row_offset; 1335 int32_t row;
1203 rend_t ren; 1336 rend_t ren;
1204 XGCValues gcvalue; 1337 XGCValues gcvalue;
1205 1338
1206 want_refresh = 1; 1339 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1340 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1341
1211 switch (mode) { 1342 switch (mode)
1343 {
1212 case 0: /* erase to end of screen */ 1344 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1345 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1346 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1347 num = nrow - row;
1217 break; 1348 break;
1218 case 1: /* erase to beginning of screen */ 1349 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1350 scr_erase_line (1);
1221 row = 0; 1351 row = 0;
1222 num = screen.cur.row; 1352 num = screen.cur.row;
1223 break; 1353 break;
1224 case 2: /* erase whole screen */ 1354 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1355 row = 0;
1230 num = TermWin.nrow; 1356 num = nrow;
1231 break; 1357 break;
1232 default: 1358 default:
1233 return; 1359 return;
1234 } 1360 }
1235 refresh_type |= REFRESH_BOUNDS; 1361
1236 if (selection.op && current_screen == selection.screen 1362 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1363 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1364 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1365 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1366 CLEAR_SELECTION ();
1367
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1368 if (row >= nrow) /* Out Of Bounds */
1242 return; 1369 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1370
1371 min_it (num, nrow - row);
1372
1244 if (rstyle & (RS_RVid | RS_Uline)) 1373 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1374 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1375 else if (GET_BASEBG (rstyle) == Color_bg)
1376 {
1247 ren = DEFAULT_RSTYLE; 1377 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1378
1249 } else { 1379 if (mapped)
1380 XClearArea (dpy, vt, 0,
1381 Row2Pixel (row - view_start), (unsigned int)vt_width,
1382 (unsigned int)Height2Pixel (num), False);
1383 }
1384 else
1385 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1386 ren = rstyle & (RS_fgMask | RS_bgMask);
1387
1388 if (mapped)
1389 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1390 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1391 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1392 XFillRectangle (dpy, vt, gc,
1393 0, Row2Pixel (row - view_start),
1394 (unsigned int)vt_width,
1395 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1396 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1397 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1398 }
1256 } 1399 }
1400
1257 for (; num--; row++) { 1401 for (; num--; row++)
1258 scr_blank_screen_mem (screen.text, screen.rend,
1259 (unsigned int)(row + row_offset), rstyle);
1260 screen.tlen[row + row_offset] = 0;
1261 scr_blank_line (drawn_text[row], drawn_rend[row],
1262 (unsigned int)TermWin.ncol, ren);
1263 } 1402 {
1403 scr_blank_screen_mem (ROW(row), rstyle);
1404
1405 if (row - view_start < nrow)
1406 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1407 }
1264} 1408}
1409
1410#if !ENABLE_MINIMAL
1411void
1412rxvt_term::scr_erase_savelines () noexcept
1413{
1414 want_refresh = 1;
1415 ZERO_SCROLLBACK ();
1416
1417 top_row = 0;
1418}
1419#endif
1265 1420
1266/* ------------------------------------------------------------------------- */ 1421/* ------------------------------------------------------------------------- */
1267/* 1422/*
1268 * Fill the screen with `E's 1423 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1424 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1425 */
1271void 1426void ecb_cold
1272rxvt_term::scr_E () 1427rxvt_term::scr_E () noexcept
1273{ 1428{
1274 int i, j, k; 1429 rend_t fs;
1275 rend_t *r1, fs;
1276 1430
1277 want_refresh = 1; 1431 want_refresh = 1;
1432 ZERO_SCROLLBACK ();
1433
1278 num_scr_allow = 0; 1434 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1435
1436 row_col_t pos;
1437 pos.row = pos.col = 0;
1438 if (ROWCOL_IS_AFTER (selection.end, pos))
1439 CLEAR_SELECTION ();
1440
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1441 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1442 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1443 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1444 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1445
1446 fill_text (line.t, 'E', ncol);
1447 rend_t *r1 = line.r;
1448
1449 for (int j = ncol; j--; )
1287 *r1++ = fs; 1450 *r1++ = fs;
1451
1452 line.is_longer (0);
1453 line.touch (ncol);
1288 } 1454 }
1289} 1455}
1290 1456
1291/* ------------------------------------------------------------------------- */ 1457/* ------------------------------------------------------------------------- */
1292/* 1458/*
1293 * Insert/Delete <count> lines 1459 * Insert/Delete <count> lines
1294 */ 1460 */
1295void 1461void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1462rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1297{ 1463{
1298 int end; 1464 int end;
1299 1465
1300 ZERO_SCROLLBACK(); 1466 ZERO_SCROLLBACK ();
1301 1467
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1468 selection_check (1);
1308 1469
1309 if (screen.cur.row > screen.bscroll) 1470 if (screen.cur.row > screen.bscroll)
1471 return;
1472
1473 end = screen.bscroll - screen.cur.row + 1;
1474 if (count > end)
1475 {
1476 if (insdel == DELETE)
1310 return; 1477 return;
1311
1312 end = screen.bscroll - screen.cur.row + 1;
1313 if (count > end) {
1314 if (insdel == DELETE)
1315 return;
1316 else if (insdel == INSERT) 1478 else if (insdel == INSERT)
1317 count = end; 1479 count = end;
1318 } 1480 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1481
1482 scr_do_wrap ();
1483
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1484 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1485}
1323 1486
1324/* ------------------------------------------------------------------------- */ 1487/* ------------------------------------------------------------------------- */
1325/* 1488/*
1326 * Insert/Delete <count> characters from the current position 1489 * Insert/Delete <count> characters from the current position
1327 */ 1490 */
1328void 1491void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1492rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1330{ 1493{
1331 int col, row;
1332 rend_t tr;
1333 text_t *stp;
1334 rend_t *srp;
1335 int16_t *slp;
1336
1337 want_refresh = 1; 1494 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1495 ZERO_SCROLLBACK ();
1339 1496
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1497 if (count <= 0)
1346 return; 1498 return;
1347 1499
1500 scr_do_wrap ();
1501
1348 selection_check (1); 1502 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1503 min_it (count, ncol - screen.cur.col);
1350 1504
1351 row = screen.cur.row + TermWin.saveLines; 1505 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1506
1354 stp = screen.text[row]; 1507 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1508
1356 slp = &(screen.tlen[row]); 1509 line->touch ();
1510 line->is_longer (0);
1511
1512 // nuke wide spanning the start
1513 if (line->t[screen.cur.col] == NOCHAR)
1514 scr_kill_char (*line, screen.cur.col);
1515
1357 switch (insdel) { 1516 switch (insdel)
1517 {
1358 case INSERT: 1518 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1519 line->l = min (line->l + count, ncol);
1360 col--) { 1520
1521 if (line->t[screen.cur.col] == NOCHAR)
1522 scr_kill_char (*line, screen.cur.col);
1523
1524 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1525 {
1361 stp[col] = stp[col - count]; 1526 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1527 line->r[col] = line->r[col - count];
1363 } 1528 }
1364 if (*slp != -1) { 1529
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1530 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1531 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1532 {
1370 if (selection.end.row != screen.cur.row 1533 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1534 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1535 CLEAR_SELECTION ();
1536 else
1537 {
1373 else { /* shift selection */ 1538 /* shift selection */
1374 selection.beg.col += count; 1539 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1540 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1541 selection.end.col += count;
1377 } 1542 }
1378 } 1543 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1544
1380 (unsigned int)count, rstyle); 1545 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1546 break;
1547
1382 case ERASE: 1548 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1549 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1550 selection_check (1);
1385 screen.cur.col -= count; 1551 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1552
1387 (unsigned int)count, rstyle); 1553 // nuke wide char after the end
1554 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1555 scr_kill_char (*line, screen.cur.col + count);
1556
1557 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1558 break;
1559
1389 case DELETE: 1560 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1561 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1562
1563 // nuke wide char spanning the end
1564 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1565 scr_kill_char (*line, screen.cur.col + count);
1566
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1567 for (int col = screen.cur.col; (col + count) < ncol; col++)
1568 {
1393 stp[col] = stp[col + count]; 1569 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1570 line->r[col] = line->r[col + count];
1395 } 1571 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1572
1397 &(srp[TermWin.ncol - count]), 1573 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1574
1399 if (*slp == -1) /* break line continuation */
1400 *slp = TermWin.ncol;
1401 *slp -= count;
1402 MAX_IT(*slp, 0);
1403 if (selection.op && current_screen == selection.screen 1575 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1576 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1577 {
1405 if (selection.end.row != screen.cur.row 1578 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1579 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1580 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1581 CLEAR_SELECTION ();
1409 else { 1582 else
1583 {
1410 /* shift selection */ 1584 /* shift selection */
1411 selection.beg.col -= count; 1585 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1586 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1587 selection.end.col -= count;
1414 } 1588 }
1415 } 1589 }
1590
1416 break; 1591 break;
1417 } 1592 }
1418} 1593}
1419 1594
1420/* ------------------------------------------------------------------------- */ 1595/* ------------------------------------------------------------------------- */
1421/* 1596/*
1422 * Set the scrolling region 1597 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1598 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1599 */
1425void 1600void ecb_cold
1426rxvt_term::scr_scroll_region (int top, int bot) 1601rxvt_term::scr_scroll_region (int top, int bot) noexcept
1427{ 1602{
1428 MAX_IT(top, 0); 1603 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1604 min_it (bot, nrow - 1);
1605
1430 if (top > bot) 1606 if (top > bot)
1431 return; 1607 return;
1608
1432 screen.tscroll = top; 1609 screen.tscroll = top;
1433 screen.bscroll = bot; 1610 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1611 scr_gotorc (0, 0, 0);
1435} 1612}
1436 1613
1437/* ------------------------------------------------------------------------- */ 1614/* ------------------------------------------------------------------------- */
1438/* 1615/*
1439 * Make the cursor visible/invisible 1616 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1617 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1618 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1619 */
1443void 1620void ecb_cold
1444rxvt_term::scr_cursor_visible (int mode) 1621rxvt_term::scr_cursor_visible (int mode) noexcept
1445{ 1622{
1446 want_refresh = 1; 1623 want_refresh = 1;
1624
1447 if (mode) 1625 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1626 screen.flags |= Screen_VisibleCursor;
1449 else 1627 else
1450 screen.flags &= ~Screen_VisibleCursor; 1628 screen.flags &= ~Screen_VisibleCursor;
1451} 1629}
1452 1630
1453/* ------------------------------------------------------------------------- */ 1631/* ------------------------------------------------------------------------- */
1454/* 1632/*
1455 * Set/unset automatic wrapping 1633 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1634 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1635 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1636 */
1459void 1637void ecb_cold
1460rxvt_term::scr_autowrap (int mode) 1638rxvt_term::scr_autowrap (int mode) noexcept
1461{ 1639{
1462 if (mode) 1640 if (mode)
1463 screen.flags |= Screen_Autowrap; 1641 screen.flags |= Screen_Autowrap;
1464 else 1642 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1643 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1644}
1467 1645
1468/* ------------------------------------------------------------------------- */ 1646/* ------------------------------------------------------------------------- */
1469/* 1647/*
1470 * Set/unset margin origin mode 1648 * Set/unset margin origin mode
… …
1473 * Relative mode: line numbers are relative to top margin of scrolling region 1651 * Relative mode: line numbers are relative to top margin of scrolling region
1474 * and the cursor cannot be moved outside. 1652 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1653 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1654 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1655 */
1478void 1656void ecb_cold
1479rxvt_term::scr_relative_origin (int mode) 1657rxvt_term::scr_relative_origin (int mode) noexcept
1480{ 1658{
1481 if (mode) 1659 if (mode)
1482 screen.flags |= Screen_Relative; 1660 screen.flags |= Screen_Relative;
1483 else 1661 else
1484 screen.flags &= ~Screen_Relative; 1662 screen.flags &= ~Screen_Relative;
1663
1485 scr_gotorc (0, 0, 0); 1664 scr_gotorc (0, 0, 0);
1486} 1665}
1487 1666
1488/* ------------------------------------------------------------------------- */ 1667/* ------------------------------------------------------------------------- */
1489/* 1668/*
1490 * Set insert/replace mode 1669 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1670 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1671 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1672 */
1494void 1673void ecb_cold
1495rxvt_term::scr_insert_mode (int mode) 1674rxvt_term::scr_insert_mode (int mode) noexcept
1496{ 1675{
1497 if (mode) 1676 if (mode)
1498 screen.flags |= Screen_Insert; 1677 screen.flags |= Screen_Insert;
1499 else 1678 else
1500 screen.flags &= ~Screen_Insert; 1679 screen.flags &= ~Screen_Insert;
1501} 1680}
1502 1681
1503/* ------------------------------------------------------------------------- */ 1682/* ------------------------------------------------------------------------- */
1504/* 1683/*
1505 * Set/Unset tabs 1684 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1685 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1686 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1687 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1688 */
1510void 1689void ecb_cold
1511rxvt_term::scr_set_tab (int mode) 1690rxvt_term::scr_set_tab (int mode) noexcept
1512{ 1691{
1513 if (mode < 0) 1692 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1693 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1694 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1695 tabs [screen.cur.col] = !!mode;
1517} 1696}
1518 1697
1519/* ------------------------------------------------------------------------- */ 1698/* ------------------------------------------------------------------------- */
1520/* 1699/*
1521 * Set reverse/normal video 1700 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1701 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1702 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1703 */
1525void 1704void
1526rxvt_term::scr_rvideo_mode (int mode) 1705rxvt_term::scr_rvideo_mode (bool on) noexcept
1527{ 1706{
1707 rvideo_mode = on;
1708
1709#ifndef NO_BELL
1710 on ^= rvideo_bell;
1711#endif
1712
1713 if (rvideo_state != on)
1714 {
1715 rvideo_state = on;
1716
1717#if OFF_FOCUS_FADING
1718 if (rs[Rs_fade])
1719 {
1720 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1721 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1722 }
1723 else
1724#endif
1725 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1726#ifdef HAVE_IMG
1727 if (bg_img == 0)
1728#endif
1729 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1730
1528 XGCValues gcvalue; 1731 XGCValues gcvalue;
1529
1530 if (rvideo != mode) {
1531 rvideo = mode;
1532 SWAP_IT(PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1533#if defined(XPM_BACKGROUND)
1534 if (bgPixmap.pixmap == None)
1535#endif
1536#if defined(TRANSPARENT)
1537 if (!(Options & Opt_transparent) || am_transparent == 0)
1538#endif
1539 XSetWindowBackground(Xdisplay, TermWin.vt,
1540 PixColors[Color_bg]);
1541
1542 gcvalue.foreground = PixColors[Color_fg]; 1732 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1733 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1734 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1735
1546 scr_clear (); 1736 scr_clear ();
1547 scr_touch (true); 1737 scr_touch (true);
1548 } 1738 }
1549} 1739}
1550 1740
1551/* ------------------------------------------------------------------------- */ 1741/* ------------------------------------------------------------------------- */
1552/* 1742/*
1553 * Report current cursor position 1743 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1744 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1745 */
1556void 1746void ecb_cold
1557rxvt_term::scr_report_position () 1747rxvt_term::scr_report_position () noexcept
1558{ 1748{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1749 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1750}
1561 1751
1562/* ------------------------------------------------------------------------- * 1752/* ------------------------------------------------------------------------- *
1563 * FONTS * 1753 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1754 * ------------------------------------------------------------------------- */
1565 1755
1566/* 1756/*
1567 * Set font style 1757 * Set font style
1568 */ 1758 */
1569void 1759void ecb_cold
1570rxvt_term::set_font_style () 1760rxvt_term::set_font_style () noexcept
1571{ 1761{
1762#if 0
1572 switch (charsets[screen.charset]) { 1763 switch (charsets [screen.charset])
1764 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1765 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1766 break;
1575 case 'A': /* United Kingdom (UK) */ 1767 case 'A': /* United Kingdom (UK) */
1576 break; 1768 break;
1577 case 'B': /* United States (USASCII) */ 1769 case 'B': /* United States (USASCII) */
1578 break; 1770 break;
1579 case '<': /* Multinational character set */ 1771 case '<': /* Multinational character set */
1580 break; 1772 break;
1581 case '5': /* Finnish character set */ 1773 case '5': /* Finnish character set */
1582 break; 1774 break;
1583 case 'C': /* Finnish character set */ 1775 case 'C': /* Finnish character set */
1584 break; 1776 break;
1585 case 'K': /* German character set */ 1777 case 'K': /* German character set */
1586 break; 1778 break;
1587 } 1779 }
1780#endif
1588} 1781}
1589 1782
1590/* ------------------------------------------------------------------------- */ 1783/* ------------------------------------------------------------------------- */
1591/* 1784/*
1592 * Choose a font 1785 * Choose a font
1593 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1786 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1787 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1788 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1789 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1790 */
1598void 1791void ecb_cold
1599rxvt_term::scr_charset_choose (int set) 1792rxvt_term::scr_charset_choose (int set) noexcept
1600{ 1793{
1601 screen.charset = set; 1794 screen.charset = set;
1602 set_font_style (); 1795 set_font_style ();
1603} 1796}
1604 1797
1605/* ------------------------------------------------------------------------- */ 1798/* ------------------------------------------------------------------------- */
1606/* 1799/*
1607 * Set a font 1800 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1803 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1804 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1805 * See set_font_style for possible values for <C>
1613 */ 1806 */
1614void 1807void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1808rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1616{ 1809{
1617 charsets[set] = (unsigned char)ch; 1810 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1811 set_font_style ();
1619} 1812}
1620 1813
1621 1814
1622/* ------------------------------------------------------------------------- * 1815/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1816 * MAJOR SCREEN MANIPULATION *
1624 * ------------------------------------------------------------------------- */ 1817 * ------------------------------------------------------------------------- */
1625 1818
1626/* 1819/*
1627 * refresh matching text. 1820 * refresh matching text.
1628 */ 1821 */
1629bool 1822bool ecb_cold
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1823rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1631{ 1824{
1632 bool found = false; 1825 bool found = false;
1633 1826
1634 for (int i = 0; i < TermWin.nrow; i++) 1827 for (int i = 0; i < nrow; i++)
1635 { 1828 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1829 rend_t *drp = drawn_buf[i].r;
1638 1830
1639 for (; col < TermWin.ncol; col++, drp++) 1831 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1832 if ((*drp & mask) == value)
1641 { 1833 {
1642 found = true; 1834 found = true;
1643 *drp = ~value; 1835 *drp = ~value;
1644 } 1836 }
… …
1649 1841
1650/* 1842/*
1651 * Refresh an area 1843 * Refresh an area
1652 */ 1844 */
1653enum { 1845enum {
1654 PART_BEG = 0, 1846 PART_BEG = 0,
1655 PART_END, 1847 PART_END,
1656 RC_COUNT 1848 RC_COUNT
1657}; 1849};
1658 1850
1659void 1851void ecb_hot
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1852rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1661{ 1853{
1662 int i; 1854 int i;
1663 row_col_t rc[RC_COUNT]; 1855 row_col_t rc[RC_COUNT];
1664 1856
1665 if (drawn_text == NULL) /* sanity check */ 1857 if (!drawn_buf) /* sanity check */
1666 return; 1858 return;
1667 1859
1668#ifdef DEBUG_STRICT 1860#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1861 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1862 {
1671 y = max(y, (int)TermWin.int_bwidth); 1863 y = 0;
1672 y = min(y, (int)TermWin.height); 1864 eheight = height;
1865 }
1673#endif 1866#endif
1674 1867
1675/* round down */ 1868 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1869 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1870 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1871 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1872 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1873 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1874
1682/* sanity checks */ 1875 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1876 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1877 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1878 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1879 min_it (rc[i].row, nrow - 1);
1687 } 1880 }
1688
1689 D_SCREEN((stderr, "rxvt_scr_expose(x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)-(c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row));
1690 1881
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1882 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1883 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1693 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1884
1885 num_scr_allow = 0;
1694 1886
1695 if (refresh) 1887 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1888 scr_refresh ();
1697} 1889}
1698 1890
1699/* ------------------------------------------------------------------------- */ 1891/* ------------------------------------------------------------------------- */
1700/* 1892/*
1701 * Refresh the entire screen 1893 * Refresh the entire screen
1702 */ 1894 */
1703void 1895void
1704rxvt_term::scr_touch (bool refresh) 1896rxvt_term::scr_touch (bool refresh) noexcept
1705{ 1897{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1898 scr_expose (0, 0, vt_width, vt_height, refresh);
1707} 1899}
1708 1900
1709/* ------------------------------------------------------------------------- */ 1901/* ------------------------------------------------------------------------- */
1710/* 1902/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1903 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1904 * the top of the screen
1713 */ 1905 */
1714int 1906void
1715rxvt_term::scr_move_to (int y, int len) 1907rxvt_term::scr_move_to (int y, int len) noexcept
1716{ 1908{
1717 long p = 0; 1909 // lerp (y, 0, len, top_row, nrow - 1)
1718 uint16_t oldviewstart; 1910 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1719
1720 oldviewstart = TermWin.view_start;
1721 if (y < len) {
1722 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1723 p -= (long)(TermWin.nrow - 1);
1724 p = max(p, 0);
1725 }
1726 TermWin.view_start = (uint16_t)min(p, TermWin.nscrolled);
1727 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, TermWin.view_start));
1728
1729 return scr_changeview (oldviewstart);
1730} 1911}
1731 1912
1732/* ------------------------------------------------------------------------- */ 1913/* ------------------------------------------------------------------------- */
1733/* 1914/*
1734 * Page the screen up/down nlines 1915 * Page the screen up/down nlines
1735 * direction should be UP or DN 1916 * direction should be UP or DN
1736 */ 1917 */
1737int 1918bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1919rxvt_term::scr_page (int nlines) noexcept
1739{ 1920{
1740 int n;
1741 uint16_t oldviewstart;
1742
1743 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1744#ifdef DEBUG_STRICT
1745 assert((nlines >= 0) && (nlines <= TermWin.nrow));
1746#endif
1747 oldviewstart = TermWin.view_start;
1748 if (direction == UP) {
1749 n = TermWin.view_start + nlines;
1750 TermWin.view_start = min(n, TermWin.nscrolled);
1751 } else {
1752 n = TermWin.view_start - nlines;
1753 TermWin.view_start = max(n, 0);
1754 }
1755 return scr_changeview (oldviewstart); 1921 return scr_changeview (view_start - nlines);
1756} 1922}
1757 1923
1758int 1924bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1925rxvt_term::scr_changeview (int new_view_start) noexcept
1760{ 1926{
1761 if (TermWin.view_start != oldviewstart) { 1927 clamp_it (new_view_start, top_row, 0);
1928
1929 if (new_view_start == view_start)
1930 return false;
1931
1932 num_scr += new_view_start - view_start;
1933 view_start = new_view_start;
1762 want_refresh = 1; 1934 want_refresh = 1;
1763#ifdef RXVT_GRAPHICS
1764 if (Gr_Displayed ())
1765 Gr_scroll (0);
1766#endif
1767 num_scr -= (TermWin.view_start - oldviewstart);
1768 }
1769 return (int)(TermWin.view_start - oldviewstart);
1770}
1771 1935
1772/* ------------------------------------------------------------------------- */ 1936 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1937
1774rxvt_term::scr_bell () 1938 return true;
1775{ 1939}
1940
1776#ifndef NO_BELL 1941#ifndef NO_BELL
1942void
1943rxvt_term::bell_cb (ev::timer &w, int revents)
1944{
1945 rvideo_bell = false;
1946 scr_rvideo_mode (rvideo_mode);
1947 refresh_check ();
1948}
1949#endif
1950
1951/* ------------------------------------------------------------------------- */
1952void
1953rxvt_term::scr_bell () noexcept
1954{
1955#ifndef NO_BELL
1956
1777# ifndef NO_MAPALERT 1957# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1958# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1959 if (option (Opt_mapAlert))
1780# endif 1960# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1961 XMapWindow (dpy, parent);
1782# endif 1962# endif
1783 if (Options & Opt_visualBell) { 1963
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1964# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1965 if (option (Opt_urgentOnBell))
1786 } else 1966 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1967# endif
1789}
1790 1968
1969 if (option (Opt_visualBell))
1970 {
1971 rvideo_bell = true;
1972 scr_rvideo_mode (rvideo_mode);
1973 flush ();
1974
1975 bell_ev.start (VISUAL_BELL_DURATION);
1976 }
1977 else
1978 XBell (dpy, 0);
1979 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1980#endif
1981}
1982
1791/* ------------------------------------------------------------------------- */ 1983/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1984void ecb_cold
1793void
1794rxvt_term::scr_printscreen (int fullhist) 1985rxvt_term::scr_printscreen (int fullhist) noexcept
1795{ 1986{
1796#ifdef PRINTPIPE 1987#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1988 int nrows, row_start;
1798 text_t *t; 1989 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1990
1801 if ((fd = popen_printer ()) == NULL) 1991 if (!fd)
1802 return; 1992 return;
1803 nrows = TermWin.nrow; 1993
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1994 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1995 {
1811 1996 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1997 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 1998 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 1999 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 2000 {
2001 nrows = nrow;
2002 row_start = view_start;
2003 }
2004
2005 wctomb (0, 0);
2006
2007 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2008 {
2009 text_t *tp = ROW(r1).t;
2010 int len = ROW(r1).l;
2011
2012 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2013 {
2014 char mb[MB_LEN_MAX];
2015 text_t t = *tp++;
2016 if (t == NOCHAR)
2017 continue;
2018
2019 len = wctomb (mb, t);
2020
2021 if (len <= 0)
2022 {
2023 mb[0] = ' ';
2024 len = 1;
2025 }
2026
2027 fwrite (mb, 1, len, fd);
2028 }
2029
2030 fputc ('\n', fd);
2031 }
2032
1819 pclose_printer (fd); 2033 pclose_printer (fd);
1820#endif 2034#endif
1821} 2035}
1822 2036
1823/* ------------------------------------------------------------------------- */ 2037/* ------------------------------------------------------------------------- */
1824/* 2038/*
1825 * Refresh the screen 2039 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2040 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2041 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2042 */
1829 2043void ecb_hot
1830#define FONT_WIDTH(X, Y) \ 2044rxvt_term::scr_refresh () noexcept
1831 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1832#define FONT_RBEAR(X, Y) \
1833 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1834#define FONT_LBEAR(X, Y) \
1835 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1836#define IS_FONT_CHAR(X, Y) \
1837 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1838
1839void
1840rxvt_term::scr_refresh (unsigned char refresh_type)
1841{ 2045{
1842 unsigned char clearfirst, /* first character writes before cell */
1843 clearlast, /* last character writes beyond cell */
1844 must_clear, /* use draw_string not draw_image_string */
1845 rvid, /* reverse video this position */
1846 showcursor; /* show the cursor */
1847 int16_t col, row, /* column/row we're processing */ 2046 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2047 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2048 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */ 2049 rend_t ccol1, /* Cursor colour */
2050 ccol2; /* Cursor colour2 */
2051 rend_t cur_rend;
2052 int cur_col;
2053 int cursorwidth;
2054
2055 want_refresh = 0; /* screen is current */
2056
2057 if (refresh_type == NO_REFRESH || !mapped)
2058 return;
2059
2060 /*
2061 * A: set up vars
2062 */
2063 refresh_count = 0;
2064
2065 unsigned int old_screen_flags = screen.flags;
2066 bool have_bg = 0;
2067#ifdef HAVE_IMG
2068 have_bg = bg_img != 0;
2069#endif
2070 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2071
2072 /*
2073 * B: reverse any characters which are selected
2074 */
2075 scr_reverse_selection ();
2076
2077 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2078#if ENABLE_OVERLAY
2079 scr_swap_overlay ();
2080#endif
2081
2082 bool showcursor = screen.flags & Screen_VisibleCursor;
2083
2084 /*
2085 * C: set the cursor character (s)
2086 */
2087 {
2088#ifdef CURSOR_BLINK
2089 if (hidden_cursor)
2090 showcursor = 0;
2091#endif
2092
2093 if (showcursor)
2094 {
2095 int col = screen.cur.col;
2096
2097 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2098 col--;
2099
2100 cursorwidth = 1;
2101 while (col + cursorwidth < ncol
2102 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2103 cursorwidth++;
2104
2105 cur_rend = ROW(screen.cur.row).r[col];
2106 cur_col = col;
2107
1852#ifndef NO_CURSORCOLOR 2108#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2109 if (ISSET_PIXCOLOR (Color_cursor))
1854#endif 2110 ccol1 = Color_cursor;
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1857
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1859 return;
1860
1861 /*
1862 * A: set up vars
1863 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0;
1867
1868 row_offset = TermWin.saveLines - TermWin.view_start;
1869
1870 if ((refresh_type & REFRESH_BOUNDS))
1871 {
1872 clearfirst = clearlast = 1;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875
1876#if defined(XPM_BACKGROUND)
1877 must_clear |= (bgPixmap.pixmap != None);
1878#endif
1879#if defined(TRANSPARENT)
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883
1884 /*
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888
1889 /*
1890 * C: set the cursor character(s)
1891 */
1892 {
1893 unsigned char setoldcursor;
1894 rend_t ccol1, /* Cursor colour */
1895 ccol2; /* Cursor colour2 */
1896
1897 showcursor = (screen.flags & Screen_VisibleCursor);
1898 cursorwidth = 0;
1899#ifdef CURSOR_BLINK
1900 if (hidden_cursor)
1901 showcursor = 0;
1902#endif
1903
1904 cursorwidth = 0;
1905
1906 if (showcursor)
1907 { 2111 else
1908 cursorwidth++; 2112#endif
2113#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2114 ccol1 = fgcolor_of (rstyle);
2115#else
2116 ccol1 = Color_fg;
2117#endif
1909 2118
1910 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1911 [screen.cur.col]);
1912
1913 if (showcursor && TermWin.focus)
1914 {
1915 *srp ^= RS_RVid;
1916#ifndef NO_CURSORCOLOR 2119#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2120 if (ISSET_PIXCOLOR (Color_cursor2))
1919 ccol1 = Color_cursor; 2121 ccol2 = Color_cursor2;
1920 else 2122 else
2123#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2124#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2125 ccol2 = bgcolor_of (rstyle);
1923#else 2126#else
1924 ccol1 = Color_fg;
1925#endif
1926 if (ISSET_PIXCOLOR (Color_cursor2))
1927 ccol2 = Color_cursor2;
1928 else
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle);
1931#else
1932 ccol2 = Color_bg; 2127 ccol2 = Color_bg;
1933#endif 2128#endif
1934 *srp = SET_FGCOLOR(*srp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2);
1936#endif
1937 }
1938 }
1939 2129
1940 /* make sure no outline cursor is left around */ 2130 if (focus && cursor_type == 0)
1941 setoldcursor = 0;
1942 if (ocrow != -1) {
1943 if (screen.cur.row + TermWin.view_start != ocrow
1944 || screen.cur.col != oldcursor.col) {
1945 if (ocrow < TermWin.nrow
1946 && oldcursor.col < TermWin.ncol) {
1947 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
1948 }
1949 if (TermWin.focus || !showcursor)
1950 oldcursor.row = -1;
1951 else
1952 setoldcursor = 1;
1953 } 2131 {
1954 } else if (!TermWin.focus) 2132 rend_t rend = cur_rend;
1955 setoldcursor = 1; 2133
1956 if (setoldcursor) { 2134 rend ^= RS_RVid;
1957 if (screen.cur.row + TermWin.view_start >= TermWin.nrow) 2135 rend = SET_FGCOLOR (rend, ccol1);
1958 oldcursor.row = -1; 2136 rend = SET_BGCOLOR (rend, ccol2);
1959 else { 2137
1960 oldcursor.row = screen.cur.row + TermWin.view_start; 2138 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1961 oldcursor.col = screen.cur.col;
1962 } 2139 }
1963 } 2140 }
2141
2142 /* make sure no outline cursor is left around */
2143 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2144 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2145
2146 // save the current cursor coordinates if the cursor is visible
2147 // and either the window is unfocused or the cursor style is
2148 // underline or vertical bar, so as to clear the outline cursor in
2149 // the next refresh if the cursor moves or becomes invisible
2150 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2151 {
2152 oldcursor.row = screen.cur.row - view_start;
2153 oldcursor.col = screen.cur.col;
1964 } 2154 }
2155 else
2156 oldcursor.row = -1;
2157 }
1965 2158
1966#ifndef NO_SLOW_LINK_SUPPORT 2159#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2160 /*
1968 * D: CopyArea pass - very useful for slower links 2161 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2162 * This has been deliberately kept simple.
1970 */ 2163 */
1971 i = num_scr; 2164 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2165 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2166 && abs (num_scr) < nrow && !have_bg)
1974 { 2167 {
1975 int16_t nits; 2168 int16_t nits;
1976 int j; 2169 int i = num_scr;
1977 rend_t *drp2; 2170 int j;
1978 text_t *dtp2; 2171 int len, wlen;
1979 int len, wlen;
1980 2172
1981 j = TermWin.nrow; 2173 j = nrow;
1982 wlen = len = -1; 2174 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2175 row = i > 0 ? 0 : j - 1;
2176
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2177 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2178 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2179 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2180 {
1988 stp = screen.text[row + row_offset]; 2181 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2182 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2183 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2184
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2185 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2186 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2187 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2188 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2189 nits++;
2000 2190
2001 if (nits > 8) /* XXX: arbitrary choice */ 2191 if (nits > 8) /* XXX: arbitrary choice */
2192 {
2193 for (col = ncol; col--; )
2194 {
2195 *d.t++ = *d2.t++;
2196 *d.r++ = *d2.r++;
2197 }
2198
2199 if (len == -1)
2200 len = row;
2201
2202 wlen = row;
2203 continue;
2204 }
2205 }
2206
2207 if (len >= 0)
2208 {
2209 /* also comes here at end if needed because of >= above */
2210 if (wlen < len)
2211 ::swap (wlen, len);
2212
2213 XGCValues gcv;
2214
2215 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2216 XCopyArea (dpy, vt, vt,
2217 gc, 0, Row2Pixel (len + i),
2218 (unsigned int)this->width,
2219 (unsigned int)Height2Pixel (wlen - len + 1),
2220 0, Row2Pixel (len));
2221 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2222
2223 len = -1;
2224 }
2225 }
2226 }
2227#endif
2228
2229 /*
2230 * E: main pass across every character
2231 */
2232 for (row = 0; row < nrow; row++)
2233 {
2234 text_t *stp = ROW(view_start + row).t;
2235 rend_t *srp = ROW(view_start + row).r;
2236 text_t *dtp = drawn_buf[row].t;
2237 rend_t *drp = drawn_buf[row].r;
2238
2239 /*
2240 * E2: OK, now the real pass
2241 */
2242 int ypixel = (int)Row2Pixel (row);
2243
2244 for (col = 0; col < ncol; col++)
2245 {
2246 /* compare new text with old - if exactly the same then continue */
2247 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2248 continue;
2249
2250 // redraw one or more characters
2251
2252 // seek to the beginning of wide characters
2253 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2254 --col;
2255
2256 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2257 text_t *text = stp + col;
2258 int count = 1;
2259
2260 dtp[col] = stp[col];
2261 drp[col] = rend;
2262
2263 int xpixel = Col2Pixel (col);
2264
2265 for (i = 0; ++col < ncol; )
2266 {
2267 if (stp[col] == NOCHAR)
2268 {
2269 dtp[col] = stp[col];
2270 drp[col] = srp[col];
2271
2272 count++;
2273 i++;
2274
2275 continue;
2276 }
2277
2278 if (!RS_SAME (rend, srp[col]))
2279 break;
2280
2281 count++;
2282
2283 if (stp[col] != dtp[col]
2284 || !RS_SAME (srp[col], drp[col]))
2285 {
2286 if (have_bg && (i++ > count / 2))
2287 break;
2288
2289 dtp[col] = stp[col];
2290 drp[col] = rend;
2291 i = 0;
2292 }
2293 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2294 break;
2295 }
2296
2297 col--; /* went one too far. move back */
2298 count -= i; /* dump any matching trailing chars */
2299
2300 // sometimes we optimize away the trailing NOCHAR's, add them back
2301 while (ecb_unlikely (i && text[count] == NOCHAR))
2302 count++, i--;
2303
2304 /*
2305 * Determine the attributes for the string
2306 */
2307 int fore = fgcolor_of (rend); // desired foreground
2308 int back = bgcolor_of (rend); // desired background
2309
2310 // only do special processing if any attributes are set, which is unlikely
2311 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2312 {
2313 bool invert = rend & RS_RVid;
2314
2315#ifndef NO_BOLD_UNDERLINE_REVERSE
2316 if (rend & RS_Bold && fore == Color_fg)
2317 {
2318 if (ISSET_PIXCOLOR (Color_BD))
2319 fore = Color_BD;
2320# if !ENABLE_STYLES
2321 else
2322 invert = !invert;
2323# endif
2324 }
2325
2326 if (rend & RS_Italic && fore == Color_fg)
2327 {
2328 if (ISSET_PIXCOLOR (Color_IT))
2329 fore = Color_IT;
2330# if !ENABLE_STYLES
2331 else
2332 invert = !invert;
2333# endif
2334 }
2335
2336 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2337 fore = Color_UL;
2338#endif
2339
2340#ifdef OPTION_HC
2341 if (rend & RS_Sel)
2342 {
2343 /* invert the column if no highlightColor is set or it is the
2344 * current cursor column */
2345 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2346 && ISSET_PIXCOLOR (Color_HC))
2347 {
2348 if (ISSET_PIXCOLOR (Color_HTC))
2349 fore = Color_HTC;
2350 // if invert is 0 reverse video is set so we use bg color as fg color
2351 else if (!invert)
2352 fore = back;
2353
2354 back = Color_HC;
2355 invert = 0;
2356 }
2357 }
2358#endif
2359
2360 if (invert)
2361 {
2362 ::swap (fore, back);
2363
2364#ifndef NO_BOLD_UNDERLINE_REVERSE
2365 if (fore == back)
2366 {
2367 fore = Color_bg;
2368 back = Color_fg;
2369 }
2370#endif
2371 }
2372
2373#ifdef TEXT_BLINK
2374 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2375 {
2376 if (!text_blink_ev.is_active ())
2377 {
2378 text_blink_ev.again ();
2379 hidden_text = 0;
2380 }
2381 else if (hidden_text)
2382 fore = back;
2383 }
2384#endif
2385
2386#if ENABLE_STYLES
2387 // "careful" (too wide) character handling
2388
2389 // include previous careful character(s) if possible, looks nicer (best effort...)
2390 while (text > stp
2391 && srp[text - stp - 1] & RS_Careful
2392 && RS_SAME (rend, srp[text - stp - 1]))
2393 text--, count++, xpixel -= fwidth;
2394
2395 // force redraw after "careful" characters to avoid pixel droppings
2396 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2397 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2398
2399 // force redraw before "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2401 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2402#endif
2403 }
2404
2405 /*
2406 * Actually do the drawing of the string here
2407 */
2408 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2409
2410 if (ecb_likely (have_bg && back == Color_bg))
2411 {
2412 // this is very ugly, maybe push it into ->draw?
2413
2414 for (i = 0; i < count; i++) /* don't draw empty strings */
2415 if (text[i] != ' ')
2002 { 2416 {
2003 for (col = TermWin.ncol; col--; ) 2417 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2418 goto did_clear;
2005 *dtp++ = *dtp2++;
2006 *drp++ = *drp2++;
2007 }
2008
2009 if (len == -1)
2010 len = row;
2011
2012 wlen = row;
2013 continue;
2014 } 2419 }
2420
2421 CLEAR_CHARS (xpixel, ypixel, count);
2422 did_clear: ;
2015 } 2423 }
2424 else
2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2426
2017 if (len != -1) 2427 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2428 {
2019 /* also comes here at end if needed because of >= above */ 2429 if (showcursor && focus && row == screen.cur.row
2020 if (wlen < len) 2430 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2021 SWAP_IT(wlen, len, int); 2431 XSetForeground (dpy, gc, pix_colors[ccol1]);
2432 else
2433#if ENABLE_FRILLS
2434 if (ISSET_PIXCOLOR (Color_underline))
2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2436 else
2437#endif
2438 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2439
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2440 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2441 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2442 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2026 (unsigned int)TermWin_TotalWidth (),
2027 (unsigned int)Height2Pixel (wlen - len + 1),
2028 0, Row2Pixel (len));
2029 len = -1;
2030 } 2443 }
2031 } 2444 } /* for (col....) */
2032 } 2445 } /* for (row....) */
2033#endif
2034 2446
2035 /* 2447 /*
2036 * E: main pass across every character 2448 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2449 */
2038 for (row = 0; row < TermWin.nrow; row++) 2450 if (showcursor)
2039 { 2451 {
2040 stp = screen.text[row + row_offset]; 2452 if (focus)
2041 srp = screen.rend[row + row_offset];
2042 dtp = drawn_text[row];
2043 drp = drawn_rend[row];
2044
2045 /*
2046 * E2: OK, now the real pass
2047 */
2048 int ypixel = (int)Row2Pixel(row);
2049
2050 for (col = 0; col < TermWin.ncol; col++)
2051 { 2453 {
2052 /* compare new text with old - if exactly the same then continue */ 2454 if (cursor_type == 0)
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2455 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2054 2456 else if (oldcursor.row >= 0)
2055 if (stp[col] == dtp[col] /* Must match characters to skip. */
2056 && (rend == drp[col] /* Either rendition the same or */
2057 || (stp[col] == ' ' /* space w/ no background change */
2058 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2059 continue;
2060
2061 text_t *text = stp + col;
2062 int count = 1;
2063
2064 /* redraw one or more characters */
2065
2066 dtp[col] = stp[col];
2067 drp[col] = rend;
2068
2069 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2070 continue;
2071
2072 int xpixel = Col2Pixel(col);
2073
2074 // this loop looks very messy, it can probably be optimized
2075 // and cleaned a bit by you?
2076 for (i = 0; ++col < TermWin.ncol; )
2077 { 2457 {
2078 if (stp[col] == NOCHAR) 2458 XSetForeground (dpy, gc, pix_colors[ccol1]);
2459 if (cursor_type == 1)
2460 XFillRectangle (dpy, vt, gc,
2461 Col2Pixel (cur_col),
2462 Row2Pixel (oldcursor.row + 1) - 2,
2463 Width2Pixel (1),
2464 2);
2079 { 2465 else
2080 dtp[col] = stp[col]; 2466 XFillRectangle (dpy, vt, gc,
2081 drp[col] = rend; 2467 Col2Pixel (cur_col),
2082 count++; 2468 Row2Pixel (oldcursor.row),
2083 2469 2,
2084 if (i) // only possible skip if char unchanged 2470 Height2Pixel (1));
2085 i++;
2086
2087 continue;
2088 }
2089
2090 if (rend != srp[col])
2091 break;
2092
2093 count++;
2094
2095 if (stp[col] != dtp[col]
2096 || srp[col] != drp[col])
2097 {
2098 if (must_clear && (i++ > (count / 2)))
2099 break;
2100
2101 dtp[col] = stp[col];
2102 drp[col] = rend;
2103 i = 0;
2104 }
2105 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2106 break;
2107 } 2471 }
2108
2109 col--; /* went one too far. move back */
2110 count -= i; /* dump any matching trailing chars */
2111
2112 /*
2113 * Determine the attributes for the string
2114 */
2115 int fid = GET_FONT (rend);
2116 int fore = GET_FGCOLOR (rend); // desired foreground
2117 int back = GET_BGCOLOR (rend); // desired background
2118
2119 rend = GET_ATTR (rend);
2120
2121 rvid = !!(rend & RS_RVid);
2122#ifdef TEXT_BLINK
2123 if (rend & RS_Blink)
2124 {
2125 if (!text_blink_ev.active)
2126 {
2127 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2128 hidden_text = 0;
2129 }
2130 else if (hidden_text)
2131 fore = back;
2132 } 2472 }
2133#endif 2473 else if (oldcursor.row >= 0)
2134 if (rvid)
2135 { 2474 {
2136 SWAP_IT(fore, back, int); 2475 XSetForeground (dpy, gc, pix_colors[ccol1]);
2137 2476
2138#ifndef NO_BOLD_UNDERLINE_REVERSE 2477 XDrawRectangle (dpy, vt, gc,
2139 if (ISSET_PIXCOLOR (Color_RV) 2478 Col2Pixel (cur_col),
2140# ifndef NO_CURSORCOLOR 2479 Row2Pixel (oldcursor.row),
2141 && !ISSET_PIXCOLOR (Color_cursor) 2480 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2481 (unsigned int) (Height2Pixel (1) - 1));
2482 }
2483 }
2484
2485 /*
2486 * H: cleanup selection
2487 */
2488#if ENABLE_OVERLAY
2489 scr_swap_overlay ();
2490#endif
2491 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2492
2493 scr_reverse_selection ();
2494
2495 screen.flags = old_screen_flags;
2496 num_scr = 0;
2497 num_scr_allow = 1;
2498}
2499
2500void ecb_cold
2501rxvt_term::scr_remap_chars (line_t &l) noexcept
2502{
2503 if (!l.valid ())
2504 return;
2505
2506 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2507
2508 for (int i = ncol; i--; )
2509 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2510}
2511
2512void ecb_cold
2513rxvt_term::scr_remap_chars () noexcept
2514{
2515 for (int i = total_rows; i--; )
2516 scr_remap_chars (row_buf [i]);
2517
2518 for (int i = nrow; i--; )
2519 {
2520 scr_remap_chars (drawn_buf [i]);
2521 scr_remap_chars (swap_buf [i]);
2522 }
2523}
2524
2525void ecb_cold
2526rxvt_term::scr_recolor (bool refresh) noexcept
2527{
2528 bool transparent = false;
2529
2530#ifdef HAVE_IMG
2531 if (bg_img != 0)
2532 {
2533# if ENABLE_TRANSPARENCY
2534 if (bg_flags & BG_IS_TRANSPARENT)
2535 {
2536 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2537 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2538
2539 transparent = true;
2540 }
2541 else
2142# endif 2542# endif
2143 )
2144 back = Color_RV;
2145#endif
2146 }
2147#ifndef NO_BOLD_UNDERLINE_REVERSE
2148 else if (rend & RS_Bold)
2149 {
2150 if (ISSET_PIXCOLOR (Color_BD))
2151 fore = Color_BD;
2152 else if (fore == Color_fg)
2153 fore = Color_White;
2154 }
2155 else if (rend & RS_Uline)
2156 {
2157 if (ISSET_PIXCOLOR (Color_UL))
2158 fore = Color_UL;
2159 }
2160#endif
2161
2162 /*
2163 * Actually do the drawing of the string here
2164 */
2165 rxvt_font *font = (*TermWin.fontset)[fid];
2166
2167 if (back == Color_bg)
2168 {
2169 if (must_clear)
2170 {
2171 for (i = 0; i < count; i++) /* don't draw empty strings */
2172 if (text[i] != ' ')
2173 {
2174 font->draw (xpixel, ypixel, text, count, fore, -1);
2175 goto nodraw;
2176 }
2177
2178 CLEAR_CHARS (xpixel, ypixel, count);
2179nodraw: ;
2180 }
2181 else
2182 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, back);
2186
2187 if ((rend & RS_Uline) && (font->descent > 1))
2188 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2189 xpixel, ypixel + font->ascent + 1,
2190 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2191 } /* for (col....) */
2192 } /* for (row....) */
2193
2194 /*
2195 * G: cleanup cursor and display outline cursor if necessary
2196 */
2197 if (showcursor) {
2198 if (TermWin.focus) {
2199 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2200 [screen.cur.col]);
2201 *srp ^= RS_RVid;
2202#ifndef NO_CURSORCOLOR
2203 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2204#endif
2205 } else if (oldcursor.row >= 0) {
2206#ifndef NO_CURSORCOLOR
2207 if (ISSET_PIXCOLOR (Color_cursor))
2208 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2209#endif
2210 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2211 Col2Pixel(oldcursor.col),
2212 Row2Pixel(oldcursor.row),
2213 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2214 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2215 } 2543 {
2216 } 2544 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2217 2545 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2218 /*
2219 * H: cleanup selection
2220 */
2221 scr_reverse_selection ();
2222
2223 /*
2224 * I: other general cleanup
2225 */
2226 if (clearfirst && TermWin.int_bwidth)
2227 /* 2546 }
2228 * clear the whole screen height, note that width == 0 is treated 2547 }
2229 * specially by XClearArea 2548 else
2230 */ 2549#endif
2231 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2550 {
2232 (unsigned int)TermWin.int_bwidth, 2551 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2233 (unsigned int)TermWin_TotalHeight(), False); 2552 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2234 if (clearlast && TermWin.int_bwidth) 2553 }
2235 /*
2236 * clear the whole screen height, note that width == 0 is treated
2237 * specially by XClearArea
2238 */
2239 XClearArea(Xdisplay, TermWin.vt,
2240 TermWin.width + TermWin.int_bwidth, 0,
2241 (unsigned int)TermWin.int_bwidth,
2242 (unsigned int)TermWin_TotalHeight(), False);
2243 if (refresh_type & SMOOTH_REFRESH)
2244 XSync(Xdisplay, False);
2245 2554
2246 num_scr = 0; 2555 XClearWindow (dpy, parent);
2247 num_scr_allow = 1;
2248 want_refresh = 0; /* screen is current */
2249}
2250 2556
2557 if (scrollBar.state && scrollBar.win)
2558 {
2559 if (transparent)
2560 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2561 else
2562 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2563 scrollBar.state = SB_STATE_IDLE;
2564 scrollBar.show (0);
2565 }
2566
2567 if (refresh)
2568 {
2569 scr_clear ();
2570 scr_touch (true);
2571 }
2572 want_refresh = 1;
2573}
2574
2251/* ------------------------------------------------------------------------- */ 2575/* ------------------------------------------------------------------------- */
2252void 2576void
2253rxvt_term::scr_clear() 2577rxvt_term::scr_clear (bool really) noexcept
2254{ 2578{
2255 if (!TermWin.mapped) 2579 if (!mapped)
2256 return; 2580 return;
2257 2581
2258 num_scr_allow = 0; 2582 num_scr_allow = 0;
2259 want_refresh = 1; 2583 want_refresh = 1;
2260#ifdef TRANSPARENT 2584
2261 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2585 if (really)
2586 XClearWindow (dpy, vt);
2587}
2588
2589void
2590rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2591{
2592 int view_end = view_start + nrow;
2593 int row, col;
2594
2595 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2596 {
2597 text_t *stp = ROW(row).t;
2598 rend_t *srp = ROW(row).r;
2599
2600 for (col = beg_col; col < end_col; col++)
2601 srp[col] ^= rstyle1;
2602
2603 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2604 srp[col] ^= rstyle2;
2605
2606 if (++col < end_col)
2607 srp[col] ^= rstyle2;
2262 { 2608 }
2263 int i; 2609}
2264 2610
2265 if (!(Options & Opt_transparent_all)) 2611void
2612rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2613{
2614 int view_end = view_start + nrow;
2615 int row, col;
2616
2617 if (beg_row >= view_start)
2618 {
2619 col = beg_col;
2620 row = beg_row;
2621 }
2622 else
2623 {
2266 i = 0; 2624 col = 0;
2625 row = view_start;
2626 }
2627
2628 for (; row < min (end_row, view_end); row++, col = 0)
2629 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2630 srp[col] ^= rstyle;
2631
2632 if (row == end_row)
2633 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2634 srp[col] ^= rstyle;
2635}
2636
2637/* ------------------------------------------------------------------------- */
2638void ecb_hot
2639rxvt_term::scr_reverse_selection () noexcept
2640{
2641 if (selection.op
2642 && current_screen == selection.screen
2643 && selection.end.row >= view_start)
2644 {
2645#if !ENABLE_MINIMAL
2646 if (selection.rect)
2647 scr_xor_rect (selection.beg.row, selection.beg.col,
2648 selection.end.row, selection.end.col,
2649 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2267 else 2650 else
2268 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2269
2270 while (i--)
2271 if (TermWin.parent[i] != None)
2272 XClearWindow(Xdisplay, TermWin.parent[i]);
2273 }
2274#endif 2651#endif
2275 2652 scr_xor_span (selection.beg.row, selection.beg.col,
2276 XClearWindow (Xdisplay, TermWin.vt); 2653 selection.end.row, selection.end.col,
2277} 2654 RS_Sel | RS_RVid);
2278
2279/* ------------------------------------------------------------------------- */
2280void
2281rxvt_term::scr_reverse_selection ()
2282{
2283 int i, col, row, end_row;
2284 rend_t *srp;
2285
2286 if (selection.op && current_screen == selection.screen) {
2287 end_row = TermWin.saveLines - TermWin.view_start;
2288 i = selection.beg.row + TermWin.saveLines;
2289 row = selection.end.row + TermWin.saveLines;
2290 if (i >= end_row)
2291 col = selection.beg.col;
2292 else {
2293 col = 0;
2294 i = end_row;
2295 }
2296 end_row += TermWin.nrow;
2297 for (; i < row && i < end_row; i++, col = 0)
2298 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2299 srp[col] ^= RS_RVid;
2300 if (i == row && i < end_row)
2301 for (srp = screen.rend[i]; col < selection.end.col; col++)
2302 srp[col] ^= RS_RVid;
2303 } 2655 }
2304} 2656}
2305 2657
2306/* ------------------------------------------------------------------------- */ 2658/* ------------------------------------------------------------------------- */
2307/* 2659/*
2308 * Dump the whole scrollback and screen to the passed filedescriptor. The 2660 * Dump the whole scrollback and screen to the passed filedescriptor. The
2309 * invoking routine must close the fd. 2661 * invoking routine must close the fd.
2310 */ 2662 */
2311#if 0 2663#if 0
2312void 2664void
2313rxvt_term::scr_dump (int fd) 2665rxvt_term::scr_dump (int fd) noexcept
2314{ 2666{
2315 int row, wrote; 2667 // if this method is needed, it can be implemented by factoring the
2316 unsigned int width, towrite; 2668 // relevant code in scr_printscreen
2317 char r1[] = "\n";
2318
2319 for (row = TermWin.saveLines - TermWin.nscrolled;
2320 row < TermWin.saveLines + TermWin.nrow - 1; row++) {
2321 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2322 : TermWin.ncol;
2323 for (towrite = width; towrite; towrite -= wrote) {
2324 wrote = write(fd, &(screen.text[row][width - towrite]),
2325 towrite);
2326 if (wrote < 0)
2327 return; /* XXX: death, no report */
2328 }
2329 if (screen.tlen[row] >= 0)
2330 if (write(fd, r1, 1) <= 0)
2331 return; /* XXX: death, no report */
2332 }
2333} 2669}
2334#endif 2670#endif
2335 2671
2336/* ------------------------------------------------------------------------- * 2672/* ------------------------------------------------------------------------- *
2337 * CHARACTER SELECTION * 2673 * CHARACTER SELECTION *
2338 * ------------------------------------------------------------------------- */ 2674 * ------------------------------------------------------------------------- */
2339
2340/*
2341 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2342 */
2343void 2675void
2344rxvt_term::selection_check (int check_more) 2676rxvt_term::selection_check (int check_more) noexcept
2345{ 2677{
2346 row_col_t pos;
2347
2348 if (!selection.op) 2678 if (!selection.op)
2349 return; 2679 return;
2350 2680
2351 pos.row = pos.col = 0; 2681 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2352 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2682 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2353 || (selection.beg.row >= TermWin.nrow) 2683 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2354 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2355 || (selection.mark.row >= TermWin.nrow)
2356 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2357 || (selection.end.row >= TermWin.nrow)
2358 || (check_more == 1 2684 || (check_more == 1
2359 && current_screen == selection.screen 2685 && current_screen == selection.screen
2360 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2686 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2361 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2687 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2362 || (check_more == 2
2363 && ROWCOL_IS_BEFORE(selection.beg, pos)
2364 && ROWCOL_IS_AFTER(selection.end, pos))
2365 || (check_more == 3
2366 && ROWCOL_IS_AFTER(selection.end, pos))
2367 || (check_more == 4 /* screen width change */
2368 && (selection.beg.row != selection.end.row
2369 || selection.end.col > TermWin.ncol)))
2370 CLEAR_SELECTION(); 2688 CLEAR_ALL_SELECTION ();
2689}
2690
2691void
2692rxvt_term::selection_changed () noexcept
2693{
2694 line_t &r1 = ROW (selection.beg.row);
2695 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2696 ++selection.beg.col;
2697
2698 line_t &r2 = ROW (selection.end.row);
2699 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2700 ++selection.end.col;
2701
2702 want_refresh = 1;
2371} 2703}
2372 2704
2373/* ------------------------------------------------------------------------- */ 2705/* ------------------------------------------------------------------------- */
2374/* 2706/*
2375 * Paste a selection direct to the command fd 2707 * Paste a selection direct to the command fd
2376 */ 2708 */
2377void 2709void
2378rxvt_term::paste (const unsigned char *data, unsigned int len) 2710rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2379{ 2711{
2380 unsigned int i, j, n;
2381 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2382
2383#if 0
2384 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2385 ZERO_SCROLLBACK (r);
2386#endif
2387
2388 /* convert normal newline chars into common keyboard Return key sequence */ 2712 /* convert normal newline chars into common keyboard Return key sequence */
2389 for (i = 0; i < len; i += PROP_SIZE) 2713 for (unsigned int i = 0; i < len; i++)
2390 { 2714 if (data[i] == C0_LF)
2391 n = min (len - i, PROP_SIZE); 2715 data[i] = C0_CR;
2392 MEMCPY (ds, data + i, n);
2393 2716
2394 for (j = 0; j < n; j++) 2717 #if ENABLE_FRILLS
2395 if (ds[j] == '\n') 2718 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2396 ds[j] = '\r'; 2719 tt_printf ("\x1b[200~");
2397
2398 tt_write (ds, (int)n);
2399 }
2400
2401 free(ds);
2402}
2403
2404/* ------------------------------------------------------------------------- */
2405/*
2406 * Respond to a notification that a primary selection has been sent
2407 * EXT: SelectionNotify
2408 */
2409int
2410rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2411{
2412 long nread = 0;
2413 unsigned long bytes_after;
2414 XTextProperty ct;
2415
2416 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2417
2418 if (prop == None) /* check for failed XConvertSelection */
2419 {
2420 if ((selection_type & Sel_CompoundText))
2421 {
2422 int selnum = selection_type & Sel_whereMask;
2423
2424 selection_type = 0;
2425 if (selnum != Sel_direct)
2426 selection_request_other (XA_STRING, selnum);
2427 }
2428
2429 if ((selection_type & Sel_UTF8String))
2430 {
2431 int selnum = selection_type & Sel_whereMask;
2432
2433 selection_type = Sel_CompoundText;
2434 if (selnum != Sel_direct)
2435 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2436 else
2437 selection_type = 0;
2438 }
2439
2440 return 0;
2441 }
2442
2443 for (;;)
2444 {
2445 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2446 (long)(PROP_SIZE / 4), delete_prop,
2447 AnyPropertyType, &ct.encoding, &ct.format,
2448 &ct.nitems, &bytes_after,
2449 &ct.value) != Success)
2450 break;
2451
2452 if (ct.encoding == 0)
2453 {
2454 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2455 break;
2456 }
2457
2458 if (ct.value == NULL)
2459 {
2460 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2461 continue;
2462 }
2463
2464 if (ct.nitems == 0)
2465 {
2466 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2467 if (selection_wait == Sel_normal && nread == 0)
2468 {
2469 /*
2470 * pass through again trying CUT_BUFFER0 if we've come from
2471 * XConvertSelection() but nothing was presented
2472 */
2473 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2474 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2475 }
2476
2477 nread = -1; /* discount any previous stuff */
2478 break;
2479 }
2480
2481 nread += ct.nitems;
2482
2483 char **cl;
2484 int cr;
2485 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2486 &cr) >= 0 && cl)
2487 {
2488 for (int i = 0; i < cr; i++)
2489 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2490
2491 XFreeStringList (cl);
2492 }
2493 else
2494 paste (ct.value, ct.nitems);
2495
2496 if (bytes_after == 0)
2497 break;
2498
2499 XFree (ct.value);
2500 }
2501
2502 if (ct.value)
2503 XFree (ct.value);
2504
2505 if (selection_wait == Sel_normal)
2506 selection_wait = Sel_none;
2507
2508 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2509 return (int)nread;
2510}
2511
2512void
2513rxvt_term::incr_cb (time_watcher &w)
2514{
2515 selection_wait = Sel_none;
2516
2517 rxvt_print_error ("data loss: timeout on INCR selection paste");
2518}
2519
2520/*
2521 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2522 */
2523void
2524rxvt_term::selection_property (Window win, Atom prop)
2525{
2526 int reget_time = 0;
2527
2528 if (prop == None)
2529 return;
2530 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2531 if (selection_wait == Sel_normal) {
2532 int a, afmt;
2533 Atom atype;
2534 unsigned long bytes_after, nitems;
2535 unsigned char *s = NULL;
2536
2537 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2538 xa[XA_INCR], &atype, &afmt, &nitems,
2539 &bytes_after, &s);
2540 if (s)
2541 XFree(s);
2542 if (a != Success)
2543 return;
2544#ifndef __CYGWIN32__
2545 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2546 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2547 XDeleteProperty(Xdisplay, win, prop);
2548 XFlush(Xdisplay);
2549 reget_time = 1;
2550 selection_wait = Sel_incr;
2551 }
2552#endif 2720 #endif
2553 } else if (selection_wait == Sel_incr) { 2721
2554 reget_time = 1; 2722 tt_write (data, len);
2555 if (selection_paste (win, prop, True) == -1) { 2723
2556 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); 2724 #if ENABLE_FRILLS
2557 selection_wait = Sel_none; 2725 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2558 incr_ev.stop (); 2726 tt_printf ("\x1b[201~");
2559 } 2727 #endif
2560 }
2561 if (reget_time) /* received more data so reget time */
2562 incr_ev.start (NOW + 10);
2563} 2728}
2729
2730void
2731rxvt_term::paste (char *data, unsigned int len) noexcept
2732{
2733 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2734 return;
2735
2736 tt_paste (data, len);
2737}
2738
2564/* ------------------------------------------------------------------------- */ 2739/* ------------------------------------------------------------------------- */
2565/* 2740/*
2566 * Request the current selection: 2741 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2567 * Order: > internal selection if available 2742 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2568 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2743 * as fallback
2569 * > CUT_BUFFER0
2570 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2571 * will auto fallback to CUT_BUFFER0
2572 * EXT: button 2 release 2744 * EXT: button 2 release
2573 */ 2745 */
2574void 2746void
2575rxvt_term::selection_request (Time tm, int x, int y) 2747rxvt_term::selection_request (Time tm, int selnum) noexcept
2576{ 2748{
2577 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2749 if (!selection_req)
2578 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2579 return; /* outside window */
2580
2581 if (selection.text != NULL) { /* internal selection */
2582 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2583 paste (selection.text, selection.len);
2584 return;
2585 } else {
2586 int i;
2587
2588 selection_request_time = tm;
2589 selection_wait = Sel_normal;
2590 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2591#if X_HAVE_UTF8_STRING
2592 selection_type = Sel_UTF8String;
2593 if (selection_request_other (xa[XA_UTF8_STRING], i))
2594 return;
2595#else
2596 selection_type = Sel_CompoundText;
2597 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2598 return;
2599#endif
2600 }
2601 } 2750 {
2602 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2751 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2603 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2752 selection_req->run ();
2604 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2605}
2606
2607int
2608rxvt_term::selection_request_other (Atom target, int selnum)
2609{
2610 Atom sel;
2611#ifdef DEBUG_SELECT
2612 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2613#endif
2614
2615 selection_type |= selnum;
2616 if (selnum == Sel_Primary)
2617 sel = XA_PRIMARY;
2618 else if (selnum == Sel_Secondary)
2619 sel = XA_SECONDARY;
2620 else
2621 sel = xa[XA_CLIPBOARD];
2622 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2623 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2624 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2625 TermWin.vt, selection_request_time);
2626 return 1;
2627 } 2753 }
2628 return 0;
2629} 2754}
2630 2755
2631/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2632/* 2757/*
2633 * Clear all selected text 2758 * Clear all selected text
2634 * EXT: SelectionClear 2759 * EXT: SelectionClear
2635 */ 2760 */
2636void 2761void
2637rxvt_term::selection_clear () 2762rxvt_term::selection_clear (bool clipboard) noexcept
2638{ 2763{
2639 D_SELECT((stderr, "rxvt_selection_clear()")); 2764 if (!clipboard)
2640 2765 {
2641 want_refresh = 1; 2766 want_refresh = 1;
2642 if (selection.text)
2643 free(selection.text); 2767 free (selection.text);
2644 selection.text = NULL; 2768 selection.text = NULL;
2645 selection.len = 0; 2769 selection.len = 0;
2646 CLEAR_SELECTION(); 2770 CLEAR_SELECTION ();
2771
2772 if (display->selection_owner == this)
2773 display->selection_owner = 0;
2774 }
2775 else
2776 {
2777 free (selection.clip_text);
2778 selection.clip_text = NULL;
2779 selection.clip_len = 0;
2780
2781 if (display->clipboard_owner == this)
2782 display->clipboard_owner = 0;
2783 }
2647} 2784}
2648 2785
2649/* ------------------------------------------------------------------------- */ 2786/* ------------------------------------------------------------------------- */
2650/* 2787/*
2651 * Copy a selection into the cut buffer 2788 * Copy a selection into the cut buffer
2652 * EXT: button 1 or 3 release 2789 * EXT: button 1 or 3 release
2653 */ 2790 */
2654void 2791void
2655rxvt_term::selection_make (Time tm) 2792rxvt_term::selection_make (Time tm)
2656{ 2793{
2657 int i, col, end_col, row, end_row; 2794 int size;
2658 unsigned char *new_selection_text; 2795 wchar_t *new_selection_text;
2659 char *str; 2796 text_t *t;
2660 text_t *t;
2661#ifdef ACS_ASCII
2662 rend_t *re;
2663#endif
2664 2797
2665 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2666 switch (selection.op) { 2798 switch (selection.op)
2799 {
2667 case SELECTION_CONT: 2800 case SELECTION_CONT:
2668 break; 2801 break;
2669 case SELECTION_INIT: 2802 case SELECTION_INIT:
2670 CLEAR_SELECTION(); 2803 CLEAR_SELECTION ();
2671 /* FALLTHROUGH */ 2804 /* FALLTHROUGH */
2672 case SELECTION_BEGIN: 2805 case SELECTION_BEGIN:
2673 selection.op = SELECTION_DONE; 2806 selection.op = SELECTION_DONE;
2674 /* FALLTHROUGH */ 2807 /* FALLTHROUGH */
2675 default: 2808 default:
2676 return; 2809 return;
2677 } 2810 }
2811
2678 selection.op = SELECTION_DONE; 2812 selection.op = SELECTION_DONE;
2679 2813
2680 if (selection.clicks == 4) 2814 if (selection.clicks == 4)
2681 return; /* nothing selected, go away */ 2815 return; /* nothing selected, go away */
2682 2816
2817 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2818 return;
2819
2683 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2820 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2684 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2821 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2685 2822
2686 new_selection_text = (unsigned char *)str; 2823 int ofs = 0;
2824 int extra = 0;
2687 2825
2688 col = selection.beg.col; 2826 int col = selection.beg.col;
2689 MAX_IT(col, 0); 2827 int row = selection.beg.row;
2690 row = selection.beg.row + TermWin.saveLines;
2691 end_row = selection.end.row + TermWin.saveLines;
2692 2828
2829 int end_col;
2830
2693 for (; row <= end_row; row++, col = 0) 2831 for (; row <= selection.end.row; row++, col = 0)
2832 {
2833#if !ENABLE_MINIMAL
2834 if (selection.rect)
2694 { 2835 {
2695 t = &(screen.text[row][col]); 2836 col = selection.beg.col;
2696
2697 end_col = screen.tlen[row];
2698
2699 if (end_col == -1)
2700 end_col = TermWin.ncol; 2837 end_col = selection.end.col;
2838 }
2839 else
2840#endif
2841 end_col = ROW(row).l;
2701 2842
2843 col = max (col, 0);
2844
2702 if (row == end_row) 2845 if (row == selection.end.row)
2703 MIN_IT (end_col, selection.end.col); 2846 min_it (end_col, selection.end.col);
2704 2847
2848 t = ROW(row).t + col;
2849
2705 for (; col < end_col; col++) 2850 for (; col < end_col; col++)
2851 {
2706 if (*t == NOCHAR) 2852 if (*t == NOCHAR)
2707 t++; 2853 t++;
2854#if ENABLE_COMBINING
2855 else if (IS_COMPOSE (*t))
2856 {
2857 int len = rxvt_composite.expand (*t);
2858
2859 extra -= (len - 1);
2860
2861 if (extra < 0)
2862 {
2863 extra += size;
2864 size += size;
2865 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2866 }
2867
2868 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2869 }
2870#endif
2708 else 2871 else
2709 { 2872 new_selection_text[ofs++] = *t++;
2710 int len = wctomb (str, *t++);
2711 if (len > 0)
2712 str += len;
2713 }
2714
2715 if (screen.tlen[row] != -1 && row != end_row)
2716 *str++ = '\n';
2717 }
2718
2719#ifndef NO_OLD_SELECTION
2720 if (selection_style == OLD_SELECT)
2721 if (end_col == TermWin.ncol)
2722 *str++ = '\n';
2723#endif
2724#ifndef NO_NEW_SELECTION
2725 if (selection_style != OLD_SELECT)
2726 if (end_col != selection.end.col)
2727 *str++ = '\n';
2728#endif
2729 *str = '\0';
2730
2731 i = str - (char *)new_selection_text;
2732 if (i == 0)
2733 {
2734 free (new_selection_text);
2735 return;
2736 }
2737
2738 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2739 if (str - (char *)new_selection_text > 1024)
2740 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2741
2742 selection.len = i;
2743
2744 if (selection.text)
2745 free (selection.text);
2746
2747 selection.text = new_selection_text;
2748
2749 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2750 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2751 rxvt_print_error("can't get primary selection");
2752
2753
2754 {
2755 XTextProperty ct;
2756 char *cl = (char *)selection.text;
2757
2758 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2759 { 2873 }
2760 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2874
2761 PropModeReplace, ct.value, ct.nitems); 2875#if !ENABLE_MINIMAL
2762 XFree (ct.value); 2876 if (selection.rect)
2877 {
2878 while (ofs
2879 && new_selection_text[ofs - 1] != C0_LF
2880 && unicode::is_space (new_selection_text[ofs - 1]))
2881 --ofs;
2882
2883 new_selection_text[ofs++] = C0_LF;
2763 } 2884 }
2764 else 2885 else
2765 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2886#endif
2766 PropModeReplace, selection.text, (int)selection.len); 2887 if (!ROW(row).is_longer ()
2888 && (row != selection.end.row || end_col != selection.end.col)
2889 && (row != selection.beg.row || selection.beg.col < ncol))
2890 new_selection_text[ofs++] = C0_LF;
2891 }
2892
2893 new_selection_text[ofs] = 0;
2894
2895 if (ofs == 0)
2767 } 2896 {
2897 free (new_selection_text);
2898 return;
2899 }
2768 2900
2901 free (selection.text);
2902
2903 // we usually allocate much more than necessary, so realloc it smaller again
2904 selection.len = ofs;
2905 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2906
2907 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2908 return;
2909
2910 selection_grab (tm);
2911}
2912
2913bool
2914rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2915{
2916 Atom sel;
2917
2918 if (!clipboard)
2919 {
2769 selection_time = tm; 2920 selection_time = tm;
2770 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2921 sel = XA_PRIMARY;
2922 }
2923 else
2924 {
2925 clipboard_time = tm;
2926 sel = xa[XA_CLIPBOARD];
2927 }
2928
2929 XSetSelectionOwner (dpy, sel, vt, tm);
2930 if (XGetSelectionOwner (dpy, sel) == vt)
2931 {
2932 display->set_selection_owner (this, clipboard);
2933 return true;
2934 }
2935 else
2936 {
2937 selection_clear (clipboard);
2938 return false;
2939 }
2940
2941#if 0
2942 XTextProperty ct;
2943
2944 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2945 {
2946 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2947 XFree (ct.value);
2948 }
2949#endif
2771} 2950}
2772 2951
2773/* ------------------------------------------------------------------------- */ 2952/* ------------------------------------------------------------------------- */
2774/* 2953/*
2775 * Mark or select text based upon number of clicks: 1, 2, or 3 2954 * Mark or select text based upon number of clicks: 1, 2, or 3
2776 * EXT: button 1 press 2955 * EXT: button 1 press
2777 */ 2956 */
2778void 2957void ecb_cold
2779rxvt_term::selection_click (int clicks, int x, int y) 2958rxvt_term::selection_click (int clicks, int x, int y) noexcept
2780{ 2959{
2781 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2782
2783 clicks = ((clicks - 1) % 3) + 1; 2960 clicks = ((clicks - 1) % 3) + 1;
2784 selection.clicks = clicks; /* save clicks so extend will work */ 2961 selection.clicks = clicks; /* save clicks so extend will work */
2785 2962
2963 if (clicks == 2 && !selection.rect
2964 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2965 {
2966 MEvent.clicks = 1; // what a mess
2967 selection.screen = current_screen;
2968 selection.op = SELECTION_CONT;
2969 return;
2970 }
2971
2786 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2972 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2787 2973
2788 if (clicks == 2 || clicks == 3) 2974 if (clicks == 2 || clicks == 3)
2789 selection_extend_colrow (selection.mark.col, 2975 selection_extend_colrow (selection.mark.col,
2790 selection.mark.row + TermWin.view_start, 2976 selection.mark.row - view_start,
2791 0, /* button 3 */ 2977 0, /* button 3 */
2792 1, /* button press */ 2978 1, /* button press */
2793 0); /* click change */ 2979 0); /* click change */
2794} 2980}
2795 2981
2796/* ------------------------------------------------------------------------- */ 2982/* ------------------------------------------------------------------------- */
2797/* 2983/*
2798 * Mark a selection at the specified col/row 2984 * Mark a selection at the specified col/row
2799 */ 2985 */
2800void 2986void ecb_cold
2801rxvt_term::selection_start_colrow (int col, int row) 2987rxvt_term::selection_start_colrow (int col, int row) noexcept
2802{ 2988{
2803 want_refresh = 1; 2989 want_refresh = 1;
2990
2991 selection.mark.row = row + view_start;
2804 selection.mark.col = col; 2992 selection.mark.col = col;
2805 selection.mark.row = row - TermWin.view_start; 2993
2806 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2994 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2807 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2995 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2996
2997 while (selection.mark.col > 0
2998 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2808 MAX_IT(selection.mark.col, 0); 2999 --selection.mark.col;
2809 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2810 3000
2811 if (selection.op) { /* clear the old selection */ 3001 if (selection.op)
3002 {
3003 /* clear the old selection */
2812 selection.beg.row = selection.end.row = selection.mark.row; 3004 selection.beg.row = selection.end.row = selection.mark.row;
2813 selection.beg.col = selection.end.col = selection.mark.col; 3005 selection.beg.col = selection.end.col = selection.mark.col;
2814 } 3006 }
3007
2815 selection.op = SELECTION_INIT; 3008 selection.op = SELECTION_INIT;
2816 selection.screen = current_screen; 3009 selection.screen = current_screen;
2817} 3010}
2818 3011
2819/* ------------------------------------------------------------------------- */ 3012/* ------------------------------------------------------------------------- */
2820/* 3013/*
2821 * Word select: select text for 2 clicks 3014 * Word select: select text for 2 clicks
2822 * We now only find out the boundary in one direction 3015 * We now only find out the boundary in one direction
2823 */ 3016 */
2824 3017
2825/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3018/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2826#define DELIMIT_TEXT(x) \ 3019#define DELIMIT_TEXT(x) \
2827 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3020 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2828#define DELIMIT_REND(x) 1 3021#define DELIMIT_REND(x) 1
2829 3022
2830void 3023void ecb_cold
2831rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3024rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2832{ 3025{
2833 int col, row, dirnadd, tcol, trow, w1, w2; 3026 int col, row, dirnadd, tcol, trow, w1, w2;
2834 row_col_t bound; 3027 row_col_t bound;
2835 text_t *stp; 3028 text_t *stp;
2836 rend_t *srp; 3029 rend_t *srp;
2837 3030
2838 if (dirn == UP) { 3031 if (dirn == UP)
2839 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3032 {
3033 bound.row = top_row - 1;
2840 bound.col = 0; 3034 bound.col = 0;
2841 dirnadd = -1; 3035 dirnadd = -1;
2842 } else { 3036 }
2843 bound.row = TermWin.saveLines + TermWin.nrow; 3037 else
3038 {
3039 bound.row = nrow;
2844 bound.col = TermWin.ncol - 1; 3040 bound.col = ncol - 1;
2845 dirnadd = 1; 3041 dirnadd = 1;
2846 } 3042 }
2847 row = mark->row + TermWin.saveLines; 3043
3044 row = mark->row;
2848 col = mark->col; 3045 col = max (mark->col, 0);
2849 MAX_IT(col, 0); 3046
2850/* find the edge of a word */ 3047 /* find the edge of a word */
2851 stp = &(screen.text[row][col]); 3048 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2852 w1 = DELIMIT_TEXT(*stp); 3049 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2853 3050
2854 if (selection_style != NEW_SELECT) { 3051 for (;;)
2855 if (w1 == 1) { 3052 {
3053 for (; col != bound.col; col += dirnadd)
3054 {
2856 stp += dirnadd; 3055 stp += dirnadd;
2857 if (DELIMIT_TEXT(*stp) == 1)
2858 goto Old_Word_Selection_You_Die;
2859 col += dirnadd;
2860 }
2861 w1 = 0;
2862 }
2863 srp = (&screen.rend[row][col]);
2864 w2 = DELIMIT_REND(*srp);
2865
2866 for (;;) {
2867 for (; col != bound.col; col += dirnadd) {
2868 stp += dirnadd; 3056 srp += dirnadd;
3057
3058 if (*stp == NOCHAR)
3059 continue;
3060
2869 if (DELIMIT_TEXT(*stp) != w1) 3061 if (DELIMIT_TEXT (*stp) != w1)
3062 break;
3063 if (DELIMIT_REND (*srp) != w2)
3064 break;
3065 }
3066
3067 if ((col == bound.col) && (row != bound.row))
3068 {
3069 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3070 {
3071 trow = row + dirnadd;
3072 tcol = dirn == UP ? ncol - 1 : 0;
3073
3074 if (!ROW(trow).t)
2870 break; 3075 break;
2871 srp += dirnadd; 3076
2872 if (DELIMIT_REND(*srp) != w2) 3077 stp = ROW(trow).t + tcol;
3078 srp = ROW(trow).r + tcol;
3079
3080 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2873 break; 3081 break;
2874 } 3082
2875 if ((col == bound.col) && (row != bound.row)) {
2876 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2877 trow = row + dirnadd;
2878 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2879 if (screen.text[trow] == NULL)
2880 break;
2881 stp = &(screen.text[trow][tcol]);
2882 srp = &(screen.rend[trow][tcol]);
2883 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2884 break;
2885 row = trow; 3083 row = trow;
2886 col = tcol; 3084 col = tcol;
2887 continue; 3085 continue;
2888 } 3086 }
2889 } 3087 }
2890 break; 3088 break;
2891 } 3089 }
2892 Old_Word_Selection_You_Die:
2893 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2894 3090
2895 if (dirn == DN) 3091 if (dirn == DN)
2896 col++; /* put us on one past the end */ 3092 col++; /* put us on one past the end */
2897 3093
2898/* Poke the values back in */ 3094 /* Poke the values back in */
2899 ret->row = row - TermWin.saveLines; 3095 ret->row = row;
2900 ret->col = col; 3096 ret->col = col;
2901} 3097}
2902 3098
2903/* ------------------------------------------------------------------------- */ 3099/* ------------------------------------------------------------------------- */
2904/* 3100/*
2905 * Extend the selection to the specified x/y pixel location 3101 * Extend the selection to the specified x/y pixel location
2906 * EXT: button 3 press; button 1 or 3 drag 3102 * EXT: button 3 press; button 1 or 3 drag
2907 * flag == 0 ==> button 1 3103 * flag == 0 ==> button 1
2908 * flag == 1 ==> button 3 press 3104 * flag == 1 ==> button 3 press
2909 * flag == 2 ==> button 3 motion 3105 * flag == 2 ==> button 3 motion
2910 */ 3106 */
2911void 3107void ecb_cold
2912rxvt_term::selection_extend (int x, int y, int flag) 3108rxvt_term::selection_extend (int x, int y, int flag) noexcept
2913{ 3109{
2914 int col, row; 3110 int col = clamp (Pixel2Col (x), 0, ncol);
3111 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2915 3112
2916 col = Pixel2Col(x);
2917 row = Pixel2Row(y);
2918 MAX_IT(row, 0);
2919 MIN_IT(row, (int)TermWin.nrow - 1);
2920 MAX_IT(col, 0);
2921 MIN_IT(col, (int)TermWin.ncol);
2922
2923#ifndef NO_NEW_SELECTION
2924 /* 3113 /*
2925 * If we're selecting characters (single click) then we must check first 3114 * If we're selecting characters (single click) then we must check first
2926 * if we are at the same place as the original mark. If we are then 3115 * if we are at the same place as the original mark. If we are then
2927 * select nothing. Otherwise, if we're to the right of the mark, you have to 3116 * select nothing. Otherwise, if we're to the right of the mark, you have to
2928 * be _past_ a character for it to be selected. 3117 * be _past_ a character for it to be selected.
2929 */ 3118 */
2930 if (selection_style != OLD_SELECT)
2931 {
2932 if (((selection.clicks % 3) == 1) && !flag 3119 if (((selection.clicks % 3) == 1) && !flag
2933 && (col == selection.mark.col 3120 && (col == selection.mark.col
2934 && (row == selection.mark.row + TermWin.view_start))) 3121 && (row == selection.mark.row - view_start)))
2935 { 3122 {
2936 /* select nothing */ 3123 /* select nothing */
2937 selection.beg.row = selection.end.row = 0; 3124 selection.beg.row = selection.end.row = 0;
2938 selection.beg.col = selection.end.col = 0; 3125 selection.beg.col = selection.end.col = 0;
2939 selection.clicks = 4; 3126 selection.clicks = 4;
2940 want_refresh = 1; 3127 want_refresh = 1;
2941 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2942 return; 3128 return;
2943 }
2944 } 3129 }
2945#endif 3130
2946 if (selection.clicks == 4) 3131 if (selection.clicks == 4)
2947 selection.clicks = 1; 3132 selection.clicks = 1;
2948 3133
2949 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3134 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2950 flag == 1 ? 1 : 0, /* ? button press */ 3135 flag == 1 ? 1 : 0, /* ? button press */
2951 0); /* no click change */ 3136 0); /* no click change */
2952} 3137}
2953 3138
2954/* ------------------------------------------------------------------------- */ 3139/* ------------------------------------------------------------------------- */
2955/* 3140/*
2956 * Extend the selection to the specified col/row 3141 * Extend the selection to the specified col/row
2957 */ 3142 */
2958void 3143void ecb_cold
2959rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3144rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2960{ 3145{
2961 int16_t ncol = TermWin.ncol;
2962 int end_col;
2963 row_col_t pos; 3146 row_col_t pos;
2964 enum { 3147 enum {
2965 LEFT, RIGHT 3148 LEFT, RIGHT
2966 } closeto = RIGHT; 3149 } closeto = RIGHT;
2967 3150
2968 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
2969 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2970
2971 want_refresh = 1;
2972 switch (selection.op) { 3151 switch (selection.op)
3152 {
2973 case SELECTION_INIT: 3153 case SELECTION_INIT:
2974 CLEAR_SELECTION(); 3154 CLEAR_SELECTION ();
2975 selection.op = SELECTION_BEGIN; 3155 selection.op = SELECTION_BEGIN;
2976 /* FALLTHROUGH */ 3156 /* FALLTHROUGH */
2977 case SELECTION_BEGIN: 3157 case SELECTION_BEGIN:
2978 if (row != selection.mark.row || col != selection.mark.col 3158 if (row != selection.mark.row || col != selection.mark.col
2979 || (!button3 && buttonpress)) 3159 || (!button3 && buttonpress))
2980 selection.op = SELECTION_CONT; 3160 selection.op = SELECTION_CONT;
2981 break; 3161 break;
2982 case SELECTION_DONE: 3162 case SELECTION_DONE:
2983 selection.op = SELECTION_CONT; 3163 selection.op = SELECTION_CONT;
2984 /* FALLTHROUGH */ 3164 /* FALLTHROUGH */
2985 case SELECTION_CONT: 3165 case SELECTION_CONT:
2986 break; 3166 break;
2987 case SELECTION_CLEAR: 3167 case SELECTION_CLEAR:
2988 selection_start_colrow (col, row); 3168 selection_start_colrow (col, row);
2989 /* FALLTHROUGH */ 3169 /* FALLTHROUGH */
2990 default: 3170 default:
2991 return; 3171 return;
2992 } 3172 }
3173
2993 if (selection.beg.col == selection.end.col 3174 if (selection.beg.col == selection.end.col
2994 && selection.beg.col != selection.mark.col 3175 && selection.beg.col != selection.mark.col
2995 && selection.beg.row == selection.end.row 3176 && selection.beg.row == selection.end.row
2996 && selection.beg.row != selection.mark.row) { 3177 && selection.beg.row != selection.mark.row)
3178 {
2997 selection.beg.col = selection.end.col = selection.mark.col; 3179 selection.beg.col = selection.end.col = selection.mark.col;
2998 selection.beg.row = selection.end.row = selection.mark.row; 3180 selection.beg.row = selection.end.row = selection.mark.row;
2999 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3000 } 3181 }
3001 3182
3002 pos.col = col; 3183 pos.col = col;
3003 pos.row = row; 3184 pos.row = view_start + row;
3004 3185
3005 pos.row -= TermWin.view_start; /* adjust for scroll */ 3186 /*
3006 3187 * This is mainly xterm style selection with a couple of differences, mainly
3007#ifndef NO_OLD_SELECTION 3188 * in the way button3 drag extension works.
3008/* 3189 * We're either doing: button1 drag; button3 press; or button3 drag
3009 * This mimics some of the selection behaviour of version 2.20 and before. 3190 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3010 * There are no ``selection modes'', button3 is always character extension. 3191 * is always at the left/right edge of the selection.
3011 * Note: button3 drag is always available, c.f. v2.20 3192 * b) button3 press: extend/contract character/word/line at whichever edge of
3012 * Selection always terminates (left or right as appropriate) at the mark. 3193 * the selection we are closest to.
3194 * c) button3 drag : extend/contract character/word/line - we select around
3195 * a point/word/line which is either the start or end of the selection
3196 * and it was decided by whichever point/word/line was `fixed' at the
3197 * time of the most recent button3 press
3013 */ 3198 */
3014 if (selection_style == OLD_SELECT) { 3199 if (button3 && buttonpress)
3015 if (selection.clicks == 1 || button3) { 3200 {
3016 if (hate_those_clicks) { 3201 /* button3 press */
3017 hate_those_clicks = 0; 3202 /*
3018 if (selection.clicks == 1) { 3203 * first determine which edge of the selection we are closest to
3019 selection.beg.row = selection.mark.row; 3204 */
3020 selection.beg.col = selection.mark.col; 3205 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3021 } else { 3206 || (!ROWCOL_IS_AFTER (pos, selection.end)
3207 && (((pos.col - selection.beg.col)
3208 + ((pos.row - selection.beg.row) * ncol))
3209 < ((selection.end.col - pos.col)
3210 + ((selection.end.row - pos.row) * ncol)))))
3211 closeto = LEFT;
3212
3213 if (closeto == LEFT)
3214 {
3215 selection.beg.row = pos.row;
3216 selection.beg.col = pos.col;
3217 selection.mark.row = selection.end.row;
3218 selection.mark.col = selection.end.col - (selection.clicks == 2);
3219 }
3220 else
3221 {
3222 selection.end.row = pos.row;
3223 selection.end.col = pos.col;
3022 selection.mark.row = selection.beg.row; 3224 selection.mark.row = selection.beg.row;
3023 selection.mark.col = selection.beg.col; 3225 selection.mark.col = selection.beg.col;
3226 }
3227 }
3228 else
3229 {
3230 /* button1 drag or button3 drag */
3231 if (ROWCOL_IS_AFTER (selection.mark, pos))
3232 {
3233 if (selection.mark.row == selection.end.row
3234 && selection.mark.col == selection.end.col
3235 && clickchange
3236 && selection.clicks == 2)
3237 selection.mark.col--;
3238
3239 selection.beg.row = pos.row;
3240 selection.beg.col = pos.col;
3241 selection.end.row = selection.mark.row;
3242 selection.end.col = selection.mark.col + (selection.clicks == 2);
3243 }
3244 else
3245 {
3246 selection.beg.row = selection.mark.row;
3247 selection.beg.col = selection.mark.col;
3248 selection.end.row = pos.row;
3249 selection.end.col = pos.col;
3250 }
3251 }
3252
3253 if (selection.clicks == 1)
3254 {
3255 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3256 && !ROW(selection.beg.row).is_longer ()
3257#if !ENABLE_MINIMAL
3258 && !selection.rect
3259#endif
3260 )
3261 selection.beg.col = ncol;
3262
3263 if (
3264 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3265 && !ROW(selection.end.row).is_longer ()
3266#if !ENABLE_MINIMAL
3267 && !selection.rect
3268#endif
3269 )
3270 selection.end.col = ncol;
3271 }
3272 else if (selection.clicks == 2)
3273 {
3274 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3275 selection.end.col--;
3276
3277 selection_delimit_word (UP, &selection.beg, &selection.beg);
3278 selection_delimit_word (DN, &selection.end, &selection.end);
3279 }
3280 else if (selection.clicks == 3)
3281 {
3282#if ENABLE_FRILLS
3283 if (option (Opt_tripleclickwords))
3284 {
3285 selection_delimit_word (UP, &selection.beg, &selection.beg);
3286
3287 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3288 {
3289 if (!ROW(end_row).is_longer ())
3290 {
3291 selection.end.row = end_row;
3292 selection.end.col = ROW(end_row).l;
3293# if !ENABLE_MINIMAL
3294 selection_remove_trailing_spaces ();
3295# endif
3296 break;
3024 } 3297 }
3025 } 3298 }
3026 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3027 selection.end.row = selection.mark.row;
3028 selection.end.col = selection.mark.col + 1;
3029 selection.beg.row = pos.row;
3030 selection.beg.col = pos.col;
3031 } else {
3032 selection.beg.row = selection.mark.row;
3033 selection.beg.col = selection.mark.col;
3034 selection.end.row = pos.row;
3035 selection.end.col = pos.col + 1;
3036 } 3299 }
3037 } else if (selection.clicks == 2) { 3300 else
3038 selection_delimit_word (UP, &(selection.mark), 3301#endif
3039 &(selection.beg)); 3302 {
3040 selection_delimit_word (DN, &(selection.mark), 3303 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3041 &(selection.end)); 3304 selection.mark.col++;
3042 hate_those_clicks = 1; 3305
3043 } else if (selection.clicks == 3) {
3044 selection.beg.row = selection.end.row = selection.mark.row;
3045 selection.beg.col = 0; 3306 selection.beg.col = 0;
3046 selection.end.col = ncol; 3307 selection.end.col = ncol;
3047 hate_those_clicks = 1; 3308
3048 } 3309 // select a complete logical line
3049 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); 3310 while (selection.beg.row > -saveLines
3050 return; 3311 && ROW(selection.beg.row - 1).is_longer ())
3051 } 3312 selection.beg.row--;
3052#endif /* ! NO_OLD_SELECTION */ 3313
3053#ifndef NO_NEW_SELECTION 3314 while (selection.end.row < nrow
3054/* selection_style must not be OLD_SELECT to get here */ 3315 && ROW(selection.end.row).is_longer ())
3055/* 3316 selection.end.row++;
3056 * This is mainly xterm style selection with a couple of differences, mainly
3057 * in the way button3 drag extension works.
3058 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3060 * is always at the left/right edge of the selection.
3061 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * the selection we are closest to.
3063 * c) button3 drag : extend/contract character/word/line - we select around
3064 * a point/word/line which is either the start or end of the selection
3065 * and it was decided by whichever point/word/line was `fixed' at the
3066 * time of the most recent button3 press
3067 */
3068 if (button3 && buttonpress) { /* button3 press */
3069 /* 3317 }
3070 * first determine which edge of the selection we are closest to 3318 }
3071 */ 3319
3072 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3320 if (button3 && buttonpress)
3073 || (!ROWCOL_IS_AFTER(pos, selection.end) 3321 {
3074 && (((pos.col - selection.beg.col) 3322 /* mark may need to be changed */
3075 + ((pos.row - selection.beg.row) * ncol))
3076 < ((selection.end.col - pos.col)
3077 + ((selection.end.row - pos.row) * ncol)))))
3078 closeto = LEFT;
3079 if (closeto == LEFT) { 3323 if (closeto == LEFT)
3080 selection.beg.row = pos.row; 3324 {
3081 selection.beg.col = pos.col;
3082 selection.mark.row = selection.end.row; 3325 selection.mark.row = selection.end.row;
3083 selection.mark.col = selection.end.col 3326 selection.mark.col = selection.end.col - (selection.clicks == 2);
3084 - (selection.clicks == 2); 3327 }
3085 } else { 3328 else
3086 selection.end.row = pos.row; 3329 {
3087 selection.end.col = pos.col;
3088 selection.mark.row = selection.beg.row; 3330 selection.mark.row = selection.beg.row;
3089 selection.mark.col = selection.beg.col; 3331 selection.mark.col = selection.beg.col;
3090 }
3091 } else { /* button1 drag or button3 drag */
3092 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3093 if ((selection.mark.row == selection.end.row)
3094 && (selection.mark.col == selection.end.col)
3095 && clickchange && selection.clicks == 2)
3096 selection.mark.col--;
3097 selection.beg.row = pos.row;
3098 selection.beg.col = pos.col;
3099 selection.end.row = selection.mark.row;
3100 selection.end.col = selection.mark.col
3101 + (selection.clicks == 2);
3102 } else {
3103 selection.beg.row = selection.mark.row;
3104 selection.beg.col = selection.mark.col;
3105 selection.end.row = pos.row;
3106 selection.end.col = pos.col;
3107 }
3108 }
3109
3110 if (selection.clicks == 1) {
3111 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3112 if (end_col != -1 && selection.beg.col > end_col) {
3113#if 1
3114 selection.beg.col = ncol;
3115#else
3116 if (selection.beg.row != selection.end.row)
3117 selection.beg.col = ncol;
3118 else
3119 selection.beg.col = selection.mark.col;
3120#endif
3121 }
3122 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3123 if (end_col != -1 && selection.end.col > end_col)
3124 selection.end.col = ncol;
3125
3126 } else if (selection.clicks == 2) {
3127 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3128 selection.end.col--;
3129 selection_delimit_word (UP, &(selection.beg),
3130 &(selection.beg));
3131 selection_delimit_word (DN, &(selection.end),
3132 &(selection.end));
3133 } else if (selection.clicks == 3) {
3134#ifndef NO_FRILLS
3135 if ((Options & Opt_tripleclickwords)) {
3136 int end_row;
3137
3138 selection_delimit_word (UP, &(selection.beg),
3139 &(selection.beg));
3140 end_row = screen.tlen[selection.mark.row
3141 + TermWin.saveLines];
3142 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3143 end_row++) {
3144 end_col = screen.tlen[end_row + TermWin.saveLines];
3145 if (end_col != -1) {
3146 selection.end.row = end_row;
3147 selection.end.col = end_col;
3148 selection_remove_trailing_spaces ();
3149 break;
3150 }
3151 }
3152 } else
3153#endif
3154 { 3332 }
3155 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3156 selection.mark.col++;
3157 selection.beg.col = 0;
3158 selection.end.col = ncol;
3159 }
3160 } 3333 }
3161 if (button3 && buttonpress) { /* mark may need to be changed */
3162 if (closeto == LEFT) {
3163 selection.mark.row = selection.end.row;
3164 selection.mark.col = selection.end.col
3165 - (selection.clicks == 2);
3166 } else {
3167 selection.mark.row = selection.beg.row;
3168 selection.mark.col = selection.beg.col;
3169 }
3170 }
3171 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3172#endif /* ! NO_NEW_SELECTION */
3173}
3174 3334
3175#ifndef NO_FRILLS 3335#if !ENABLE_MINIMAL
3176void 3336 if (selection.rect && selection.beg.col > selection.end.col)
3337 ::swap (selection.beg.col, selection.end.col);
3338#endif
3339
3340 selection_changed ();
3341}
3342
3343#if !ENABLE_MINIMAL
3344void ecb_cold
3177rxvt_term::selection_remove_trailing_spaces () 3345rxvt_term::selection_remove_trailing_spaces () noexcept
3178{ 3346{
3179 int32_t end_col, end_row; 3347 int32_t end_col, end_row;
3180 text_t *stp; 3348 text_t *stp;
3181 3349
3182 end_col = selection.end.col; 3350 end_col = selection.end.col;
3183 end_row = selection.end.row; 3351 end_row = selection.end.row;
3352
3184 for ( ; end_row >= selection.beg.row; ) { 3353 for (; end_row >= selection.beg.row; )
3185 stp = screen.text[end_row + TermWin.saveLines]; 3354 {
3355 stp = ROW(end_row).t;
3356
3186 while (--end_col >= 0) { 3357 while (--end_col >= 0)
3187 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3188 break;
3189 } 3358 {
3190 if (end_col >= 0 3359 if (stp[end_col] != NOCHAR
3191 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3360 && !unicode::is_space (stp[end_col]))
3192 selection.end.col = end_col + 1;
3193 selection.end.row = end_row;
3194 break; 3361 break;
3195 } 3362 }
3363
3364 if (end_col >= 0
3365 || !ROW(end_row - 1).is_longer ())
3366 {
3367 selection.end.col = end_col + 1;
3368 selection.end.row = end_row;
3369 break;
3370 }
3371
3196 end_row--; 3372 end_row--;
3197 end_col = TermWin.ncol; 3373 end_col = ncol;
3198 } 3374 }
3375
3199 if (selection.mark.row > selection.end.row) { 3376 if (selection.mark.row > selection.end.row)
3377 {
3200 selection.mark.row = selection.end.row; 3378 selection.mark.row = selection.end.row;
3201 selection.mark.col = selection.end.col; 3379 selection.mark.col = selection.end.col;
3380 }
3202 } else if (selection.mark.row == selection.end.row 3381 else if (selection.mark.row == selection.end.row
3203 && selection.mark.col > selection.end.col) 3382 && selection.mark.col > selection.end.col)
3204 selection.mark.col = selection.end.col; 3383 selection.mark.col = selection.end.col;
3205} 3384}
3206#endif 3385#endif
3207 3386
3208/* ------------------------------------------------------------------------- */ 3387/* ------------------------------------------------------------------------- */
3209/* 3388/*
3210 * Double click on button 3 when already selected 3389 * Double click on button 3 when already selected
3211 * EXT: button 3 double click 3390 * EXT: button 3 double click
3212 */ 3391 */
3213void 3392void ecb_cold
3214rxvt_term::selection_rotate (int x, int y) 3393rxvt_term::selection_rotate (int x, int y) noexcept
3215{ 3394{
3216 selection.clicks = selection.clicks % 3 + 1; 3395 selection.clicks = selection.clicks % 3 + 1;
3217 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3396 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3218} 3397}
3219
3220/* ------------------------------------------------------------------------- */
3221/*
3222 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3223 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3224 * the X11 protocol.
3225 */
3226typedef CARD32 Atom32;
3227 3398
3228/* ------------------------------------------------------------------------- */ 3399/* ------------------------------------------------------------------------- */
3229/* 3400/*
3230 * Respond to a request for our current selection 3401 * Respond to a request for our current selection
3231 * EXT: SelectionRequest 3402 * EXT: SelectionRequest
3232 */ 3403 */
3233void 3404void ecb_cold
3234rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3405rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3235{ 3406{
3407 Atom property = rq.property == None ? rq.target : rq.property;
3236 XSelectionEvent ev; 3408 XSelectionEvent ev;
3237 XTextProperty ct;
3238 XICCEncodingStyle style;
3239 Atom target;
3240 3409
3241 ev.type = SelectionNotify; 3410 ev.type = SelectionNotify;
3242 ev.property = None; 3411 ev.property = None;
3243 ev.display = rq->display; 3412 ev.display = rq.display;
3244 ev.requestor = rq->requestor; 3413 ev.requestor = rq.requestor;
3245 ev.selection = rq->selection; 3414 ev.selection = rq.selection;
3246 ev.target = rq->target; 3415 ev.target = rq.target;
3247 ev.time = rq->time; 3416 ev.time = rq.time;
3248 3417
3249 if (rq->target == xa[XA_TARGETS]) { 3418 if (rq.target == xa[XA_TARGETS])
3419 {
3250 Atom32 target_list[5]; 3420 Atom target_list[6];
3251 Atom32 *target = target_list; 3421 Atom *target = target_list;
3252 3422
3253 *target++ = (Atom32) xa[XA_TARGETS]; 3423 *target++ = xa[XA_TARGETS];
3424 *target++ = xa[XA_TIMESTAMP];
3254 *target++ = (Atom32) XA_STRING; 3425 *target++ = XA_STRING;
3255 *target++ = (Atom32) xa[XA_TEXT]; 3426 *target++ = xa[XA_TEXT];
3256 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3427 *target++ = xa[XA_COMPOUND_TEXT];
3257#if X_HAVE_UTF8_STRING 3428#if X_HAVE_UTF8_STRING
3258 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3429 *target++ = xa[XA_UTF8_STRING];
3259#endif 3430#endif
3431
3260 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3432 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3261 (8 * sizeof(target_list[0])), PropModeReplace, 3433 32, PropModeReplace,
3262 (unsigned char *)target_list, 3434 (unsigned char *)target_list, target - target_list);
3263 target - target_list);
3264 ev.property = rq->property; 3435 ev.property = property;
3436 }
3437#if TODO // TODO
3265 } else if (rq->target == xa[XA_MULTIPLE]) { 3438 else if (rq.target == xa[XA_MULTIPLE])
3439 {
3266 /* TODO: Handle MULTIPLE */ 3440 /* TODO: Handle MULTIPLE */
3267 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3441 }
3442#endif
3443 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3444 {
3268 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3445 XChangeProperty (dpy, rq.requestor, property, rq.target,
3269 (8 * sizeof(Time)), PropModeReplace,
3270 (unsigned char *)&selection_time, 1); 3446 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3271 ev.property = rq->property; 3447 ev.property = property;
3448 }
3449 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3450 {
3451 XChangeProperty (dpy, rq.requestor, property, rq.target,
3452 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3453 ev.property = property;
3454 }
3272 } else if (rq->target == XA_STRING 3455 else if (rq.target == XA_STRING
3273 || rq->target == xa[XA_TEXT] 3456 || rq.target == xa[XA_TEXT]
3274 || rq->target == xa[XA_COMPOUND_TEXT] 3457 || rq.target == xa[XA_COMPOUND_TEXT]
3275 || rq->target == xa[XA_UTF8_STRING] 3458 || rq.target == xa[XA_UTF8_STRING]
3276 ) { 3459 )
3460 {
3461 XTextProperty ct;
3462 Atom target = rq.target;
3277 short freect = 0; 3463 short freect = 0;
3278 int selectlen; 3464 int selectlen;
3279 char *cl; 3465 wchar_t *cl;
3466 enum {
3467 enc_string = XStringStyle,
3468 enc_text = XStdICCTextStyle,
3469 enc_compound_text = XCompoundTextStyle,
3470#ifdef X_HAVE_UTF8_STRING
3471 enc_utf8 = XUTF8StringStyle,
3472#else
3473 enc_utf8 = -1,
3474#endif
3475 } style;
3280 3476
3281 target = rq->target;
3282
3283 if (target == XA_STRING) 3477 if (target == XA_STRING)
3284 // we actually don't do XA_STRING, but who cares, as i18n clients 3478 // we actually don't do XA_STRING, but who cares, as i18n clients
3285 // will ask for another format anyways. 3479 // will ask for another format anyways.
3286 style = XStringStyle; 3480 style = enc_string;
3287 else if (target == xa[XA_TEXT]) 3481 else if (target == xa[XA_TEXT])
3288 style = XTextStyle; 3482 style = enc_text;
3289 else if (target == xa[XA_COMPOUND_TEXT]) 3483 else if (target == xa[XA_COMPOUND_TEXT])
3290 style = XCompoundTextStyle; 3484 style = enc_compound_text;
3291#if X_HAVE_UTF8_STRING 3485#if !ENABLE_MINIMAL
3292 else if (target == xa[XA_UTF8_STRING]) 3486 else if (target == xa[XA_UTF8_STRING])
3293 style = XUTF8StringStyle; 3487 style = enc_utf8;
3294#endif 3488#endif
3295 else 3489 else
3296 { 3490 {
3297 target = xa[XA_COMPOUND_TEXT]; 3491 target = xa[XA_COMPOUND_TEXT];
3298 style = XCompoundTextStyle; 3492 style = enc_compound_text;
3299 } 3493 }
3300 3494
3301 if (selection.text) { 3495 if (rq.selection == XA_PRIMARY && selection.text)
3496 {
3302 cl = (char *)selection.text; 3497 cl = selection.text;
3303 selectlen = selection.len; 3498 selectlen = selection.len;
3499 }
3500 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3501 {
3502 cl = selection.clip_text;
3503 selectlen = selection.clip_len;
3504 }
3304 } else { 3505 else
3305 cl = ""; 3506 {
3507 cl = (wchar_t *)L"";
3306 selectlen = 0; 3508 selectlen = 0;
3509 }
3510
3511#if !ENABLE_MINIMAL
3512 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3513 // so recode it manually
3514 if (style == enc_utf8)
3307 } 3515 {
3308
3309 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3310 freect = 1; 3516 freect = 1;
3517 ct.encoding = target;
3518 ct.format = 8;
3519 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3520 ct.nitems = strlen ((char *)ct.value);
3521 }
3311 else 3522 else
3523#endif
3524 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3525 freect = 1;
3526 else
3312 { 3527 {
3313 /* if we failed to convert then send it raw */ 3528 /* if we failed to convert then send it raw */
3314 ct.value = (unsigned char *)cl; 3529 ct.value = (unsigned char *)cl;
3315 ct.nitems = selectlen; 3530 ct.nitems = selectlen;
3531 ct.encoding = target;
3316 } 3532 }
3317 3533
3318 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3534 XChangeProperty (dpy, rq.requestor, property,
3319 target, 8, PropModeReplace, 3535 ct.encoding, 8, PropModeReplace,
3320 ct.value, (int)ct.nitems); 3536 ct.value, (int)ct.nitems);
3321 ev.property = rq->property; 3537 ev.property = property;
3322 3538
3323 if (freect) 3539 if (freect)
3324 XFree (ct.value); 3540 XFree (ct.value);
3325 } 3541 }
3542
3326 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3543 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3327} 3544}
3328 3545
3329/* ------------------------------------------------------------------------- * 3546/* ------------------------------------------------------------------------- */
3330 * MOUSE ROUTINES *
3331 * ------------------------------------------------------------------------- */
3332
3333/*
3334 * return col/row values corresponding to x/y pixel values
3335 */
3336void
3337rxvt_term::pixel_position (int *x, int *y)
3338{
3339 *x = Pixel2Col(*x);
3340 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3341 *y = Pixel2Row(*y);
3342 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3343}
3344
3345/* ------------------------------------------------------------------------- */
3346#ifdef USE_XIM 3547#if USE_XIM
3347void 3548void ecb_cold
3348rxvt_term::set_position (XPoint *pos) 3549rxvt_term::im_set_position (XPoint &pos) noexcept
3349{ 3550{
3350 XWindowAttributes xwa; 3551 XWindowAttributes xwa;
3351 3552
3352 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3553 XGetWindowAttributes (dpy, vt, &xwa);
3554
3353 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3555 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3354 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3556 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3355} 3557}
3356
3357#endif 3558#endif
3358/* ------------------------------------------------------------------------- */ 3559
3359 3560#if ENABLE_OVERLAY
3561void
3562rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3563{
3564 if (nrow < 1 || ncol < 1)
3565 return;
3566
3567 want_refresh = 1;
3568
3569 scr_overlay_off ();
3570
3571 if (x < 0) x = ncol - w;
3572 if (y < 0) y = nrow - h;
3573
3574 // make space for border
3575 w += 2; min_it (w, ncol);
3576 h += 2; min_it (h, nrow);
3577
3578 x -= 1; clamp_it (x, 0, ncol - w);
3579 y -= 1; clamp_it (y, 0, nrow - h);
3580
3581 ov.x = x; ov.y = y;
3582 ov.w = w; ov.h = h;
3583
3584 ov.text = new text_t *[h];
3585 ov.rend = new rend_t *[h];
3586
3587 for (y = 0; y < h; y++)
3588 {
3589 text_t *tp = ov.text[y] = new text_t[w];
3590 rend_t *rp = ov.rend[y] = new rend_t[w];
3591
3592 text_t t0, t1, t2;
3593 rend_t r = OVERLAY_RSTYLE;
3594
3595 if (y == 0)
3596 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3597 else if (y < h - 1)
3598 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3599 else
3600 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3601
3602 *tp++ = t0;
3603 *rp++ = r;
3604
3605 for (x = w - 2; x > 0; --x)
3606 {
3607 *tp++ = t1;
3608 *rp++ = r;
3609 }
3610
3611 *tp = t2;
3612 *rp = r;
3613 }
3614}
3615
3616void
3617rxvt_term::scr_overlay_off () noexcept
3618{
3619 if (!ov.text)
3620 return;
3621
3622 want_refresh = 1;
3623
3624 for (int y = 0; y < ov.h; y++)
3625 {
3626 delete [] ov.text[y];
3627 delete [] ov.rend[y];
3628 }
3629
3630 delete [] ov.text; ov.text = 0;
3631 delete [] ov.rend; ov.rend = 0;
3632}
3633
3634void
3635rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3636{
3637 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3638 return;
3639
3640 x++, y++;
3641
3642 ov.text[y][x] = text;
3643 ov.rend[y][x] = rend;
3644}
3645
3646void
3647rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3648{
3649 while (*s)
3650 scr_overlay_set (x++, y, *s++);
3651}
3652
3653void
3654rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3655{
3656 while (*s)
3657 {
3658 text_t t = *s++;
3659 int width = WCWIDTH (t);
3660
3661 while (width--)
3662 {
3663 scr_overlay_set (x++, y, t);
3664 t = NOCHAR;
3665 }
3666 }
3667}
3668
3669void
3670rxvt_term::scr_swap_overlay () noexcept
3671{
3672 if (!ov.text)
3673 return;
3674
3675 // hide cursor if it is within the overlay area
3676 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3677 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3678 screen.flags &= ~Screen_VisibleCursor;
3679
3680 // swap screen mem with overlay
3681 for (int y = ov.h; y--; )
3682 {
3683 text_t *t1 = ov.text[y];
3684 rend_t *r1 = ov.rend[y];
3685
3686 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3687 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3688
3689 for (int x = ov.w; x--; )
3690 {
3691 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3692 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3693 }
3694 }
3695}
3696
3697#endif
3360/* ------------------------------------------------------------------------- * 3698/* ------------------------------------------------------------------------- */
3361 * DEBUG ROUTINES *
3362 * ------------------------------------------------------------------------- */
3363#if 0
3364void
3365rxvt_debug_colors(void)
3366{
3367 int color;
3368 const char *name[] = {
3369 "fg", "bg",
3370 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3371 };
3372 3699
3373 fprintf(stderr, "Color ( ");
3374 if (rstyle & RS_RVid)
3375 fprintf(stderr, "rvid ");
3376 if (rstyle & RS_Bold)
3377 fprintf(stderr, "bold ");
3378 if (rstyle & RS_Blink)
3379 fprintf(stderr, "blink ");
3380 if (rstyle & RS_Uline)
3381 fprintf(stderr, "uline ");
3382 fprintf(stderr, "): ");
3383
3384 color = GET_FGCOLOR(rstyle);
3385#ifndef NO_BRIGHTCOLOR
3386 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3387 color -= (minBrightCOLOR - minCOLOR);
3388 fprintf(stderr, "bright ");
3389 }
3390#endif
3391 fprintf(stderr, "%s on ", name[color]);
3392
3393 color = GET_BGCOLOR(rstyle);
3394#ifndef NO_BRIGHTCOLOR
3395 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3396 color -= (minBrightCOLOR - minCOLOR);
3397 fprintf(stderr, "bright ");
3398 }
3399#endif
3400 fprintf(stderr, "%s\n", name[color]);
3401}
3402#endif

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