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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.29 by pcg, Wed Feb 11 08:13:45 2004 UTC vs.
Revision 1.464 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 (display->display, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel(row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel(num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 89 if (mapped) \
103 XClearArea (display->display, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel(row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel(num))
112 93
113/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
116/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
117void 99void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
119{ 101{
120 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
122 116
123 while (width--) 117 while (width--)
124 { 118 {
125 *et++ = ' '; 119 *et++ = ' ';
126 *er++ = efs; 120 *er++ = efs;
… …
128} 122}
129 123
130/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
132void 126void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
134{ 128{
135#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 130
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
145} 164}
146 165
147/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
150void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
151rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
152{ 216{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
154 unsigned int p, q; 218 scr_overlay_off ();
155 int k; 219#endif
156 rend_t setrstyle;
157 220
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 221 view_start = 0;
161 num_scr = 0; 222 num_scr = 0;
162 223
163 if (TermWin.ncol == 0) 224 if (ncol == 0)
164 TermWin.ncol = 80; 225 ncol = 80;
165 226
166 if (TermWin.nrow == 0) 227 if (nrow == 0)
167 TermWin.nrow = 24; 228 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 229
172 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 231 return;
174 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
175 want_refresh = 1; 242 want_refresh = 1;
176 243
244 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 246
180 screen.tscroll = 0; 247 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
182 249
183 if (!talloc) 250 void *prev_chunk = chunk;
184 { 251 size_t prev_chunk_size = chunk_size;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
187 } 259 {
260 top_row = 0;
261 term_start = 0;
188 262
189 if (prev_nrow == 0)
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 267 screen.charset = 0;
223 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
235 selection.text = NULL; 280 selection.text = NULL;
236 selection.len = 0; 281 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
241 rvideo = 0; 286 selection.clip_len = 0;
242 } 287 }
243 else 288 else
244 { 289 {
245 /* 290 /*
246 * add or delete rows as appropriate 291 * add or delete rows as appropriate
247 */ 292 */
248 setrstyle = DEFAULT_RSTYLE;
249 293
250 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 304 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 305
256 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
257 { 321 {
258 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 328 {
261#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 330
263#endif 331 plines++;
264 talloc->free (screen.text[q]); 332 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 333 }
267 if (swap.text[p]) 334
335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 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);
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
342 406
343 for (p = 0; p < total_rows; p++) 407 term_start = total_rows - nrow;
344 { 408 top_row = q - term_start;
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;
349 409
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 410 // make sure all terminal lines exist
411 while (top_row > 0)
412 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
351 413
352 if (ncol > prev_ncol) 414 clamp_it (screen.cur.row, 0, nrow - 1);
353 scr_blank_line (&(screen.text[p][prev_ncol]), 415 clamp_it (screen.cur.col, 0, ncol - 1);
354 &(screen.rend[p][prev_ncol]), 416 }
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359 417
360 for (p = 0; p < nrow; p++) 418 for (int row = nrow; row--; )
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)
517 { 509 {
518 case SAVE: 510 case SAVE:
519 s->s_cur.row = s->cur.row; 511 s->s_cur.row = screen.cur.row;
520 s->s_cur.col = s->cur.col; 512 s->s_cur.col = screen.cur.col;
521 s->s_rstyle = rstyle; 513 s->s_rstyle = rstyle;
522 s->s_charset = s->charset; 514 s->s_charset = screen.charset;
523 s->s_charset_char = charsets[s->charset]; 515 s->s_charset_char = charsets[screen.charset];
524 break; 516 break;
517
525 case RESTORE: 518 case RESTORE:
526 want_refresh = 1; 519 want_refresh = 1;
527 s->cur.row = s->s_cur.row; 520 screen.cur.row = s->s_cur.row;
528 s->cur.col = s->s_cur.col; 521 screen.cur.col = s->s_cur.col;
529 s->flags &= ~Screen_WrapNext; 522 screen.flags &= ~Screen_WrapNext;
530 rstyle = s->s_rstyle; 523 rstyle = s->s_rstyle;
531 s->charset = s->s_charset; 524 screen.charset = s->s_charset;
532 charsets[s->charset] = s->s_charset_char; 525 charsets[screen.charset] = s->s_charset_char;
533 set_font_style (); 526 set_font_style ();
534 break; 527 break;
535 } 528 }
529
536 /* boundary check in case screen size changed between SAVE and RESTORE */ 530 /* boundary check in case screen size changed between SAVE and RESTORE */
537 MIN_IT(s->cur.row, TermWin.nrow - 1); 531 min_it (s->cur.row, nrow - 1);
538 MIN_IT(s->cur.col, TermWin.ncol - 1); 532 min_it (s->cur.col, ncol - 1);
539#ifdef DEBUG_STRICT
540 assert(s->cur.row >= 0); 533 assert (s->cur.row >= 0);
541 assert(s->cur.col >= 0); 534 assert (s->cur.col >= 0);
542#else /* drive with your eyes closed */ 535}
543 MAX_IT(s->cur.row, 0); 536
544 MAX_IT(s->cur.col, 0); 537void
545#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);
546} 550}
547 551
548/* ------------------------------------------------------------------------- */ 552/* ------------------------------------------------------------------------- */
549/* 553/*
550 * Swap between primary and secondary screens 554 * Swap between primary and secondary screens
551 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 555 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
552 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 556 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
553 */ 557 */
554int 558void
555rxvt_term::scr_change_screen (int scrn) 559rxvt_term::scr_change_screen (int scrn)
556{ 560{
557 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
558#if NSCREENS 576#if NSCREENS
559 int offset; 577 if (option (Opt_secondaryScreen))
560#endif 578 {
561
562 want_refresh = 1;
563
564 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
565
566 TermWin.view_start = 0;
567
568 if (current_screen == scrn)
569 return current_screen;
570
571 selection_check (2); /* check for boundary cross */
572
573 SWAP_IT(current_screen, scrn, int);
574#if NSCREENS
575 num_scr = 0; 579 num_scr = 0;
576 offset = TermWin.saveLines; 580
577 for (i = prev_nrow; i--;) 581 scr_swap_screen ();
578 { 582
579 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 583 ::swap (screen.charset, swap.charset);
580 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 584 ::swap (screen.flags, swap.flags);
581 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *);
582 }
583 SWAP_IT(screen.cur.row, swap.cur.row, int16_t);
584 SWAP_IT(screen.cur.col, swap.cur.col, int16_t);
585# ifdef DEBUG_STRICT
586 assert((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
587 assert((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
588# else /* drive with your eyes closed */
589 MAX_IT(screen.cur.row, 0);
590 MIN_IT(screen.cur.row, (int32_t)prev_nrow - 1);
591 MAX_IT(screen.cur.col, 0);
592 MIN_IT(screen.cur.col, (int32_t)prev_ncol - 1);
593# endif
594 SWAP_IT(screen.charset, swap.charset, int16_t);
595 SWAP_IT(screen.flags, swap.flags, int);
596 screen.flags |= Screen_VisibleCursor; 585 screen.flags |= Screen_VisibleCursor;
597 swap.flags |= Screen_VisibleCursor; 586 swap.flags |= Screen_VisibleCursor;
598
599# ifdef RXVT_GRAPHICS
600
601 if (Gr_Displayed ())
602 { 587 }
603 Gr_scroll (0); 588 else
604 Gr_ChangeScreen ();
605 }
606# endif 589#endif
607#else 590 if (option (Opt_secondaryScroll))
608# ifdef SCROLL_ON_NO_SECONDARY
609# ifdef RXVT_GRAPHICS
610 if (Gr_Displayed ())
611 Gr_ClearScreen ();
612# endif
613 if (current_screen == PRIMARY
614# ifdef RXVT_GRAPHICS
615 && !Gr_Displayed ()
616# endif
617 )
618 scr_scroll_text(0, (prev_nrow - 1), prev_nrow, 0); 591 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
619# endif 592}
620#endif 593
621 return scrn; 594// clear WrapNext indicator, solidifying position on next line
595void
596rxvt_term::scr_do_wrap () noexcept
597{
598 if (!(screen.flags & Screen_WrapNext))
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++;
622} 609}
623 610
624/* ------------------------------------------------------------------------- */ 611/* ------------------------------------------------------------------------- */
625/* 612/*
626 * Change the colour for following text 613 * Change the colour for following text
627 */ 614 */
628void 615void
629rxvt_term::scr_color (unsigned int color, int fgbg) 616rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
630{ 617{
631 color &= RS_fgMask; 618 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
619 color = fgbg;
620
632 if (fgbg == Color_fg) 621 if (fgbg == Color_fg)
633 rstyle = SET_FGCOLOR(rstyle, color); 622 rstyle = SET_FGCOLOR (rstyle, color);
634 else 623 else
635 rstyle = SET_BGCOLOR(rstyle, color); 624 rstyle = SET_BGCOLOR (rstyle, color);
636} 625}
637 626
638/* ------------------------------------------------------------------------- */ 627/* ------------------------------------------------------------------------- */
639/* 628/*
640 * Change the rendition style for following text 629 * Change the rendition style for following text
641 */ 630 */
642void 631void
643rxvt_term::scr_rendition (int set, int style) 632rxvt_term::scr_rendition (int set, int style) noexcept
644 { 633{
645 if (set) 634 if (set)
646 rstyle |= style; 635 rstyle |= style;
647 else if (style == ~RS_None) 636 else if (style == ~RS_None)
648 rstyle = DEFAULT_RSTYLE; 637 rstyle = DEFAULT_RSTYLE;
649 else 638 else
650 rstyle &= ~style; 639 rstyle &= ~style;
651 } 640}
652 641
653/* ------------------------------------------------------------------------- */ 642/* ------------------------------------------------------------------------- */
654/* 643/*
655 * Scroll text between <row1> and <row2> inclusive, by <count> lines 644 * Scroll text between <row1> and <row2> inclusive, by <count> lines
656 * count positive ==> scroll up 645 * count positive ==> scroll up
657 * count negative ==> scroll down 646 * count negative ==> scroll down
658 * spec == 0 for normal routines
659 */ 647 */
660int 648int ecb_hot
661rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 649rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
662{ 650{
663 int i, j;
664 long nscrolled;
665
666 if (count == 0 || (row1 > row2)) 651 if (count == 0 || (row1 > row2))
667 return 0; 652 return 0;
668 653
669 want_refresh = 1; 654 want_refresh = 1;
670 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 655 num_scr += count;
671 656
672 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
673 { 666 {
674 nscrolled = (long)TermWin.nscrolled + (long)count; 667 line_t &l = ROW(row2);
675 668 l.is_longer (0);
676 if (nscrolled > (long)TermWin.saveLines) 669 l.touch ();
677 TermWin.nscrolled = TermWin.saveLines;
678 else
679 TermWin.nscrolled = (uint16_t)nscrolled;
680
681 if ((Options & Opt_scrollWithBuffer)
682 && TermWin.view_start != 0
683 && TermWin.view_start != TermWin.saveLines)
684 scr_page (UP, count);
685 } 670 }
686 else if (!spec)
687 row1 += TermWin.saveLines;
688 671
689 row2 += TermWin.saveLines; 672 // scroll everything up 'count' lines
673 term_start = (term_start + count) % total_rows;
690 674
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
691 if (selection.op && current_screen == selection.screen) 705 if (selection.op && current_screen == selection.screen
692 { 706 && selection.beg.row <= row2)
693 i = selection.beg.row + TermWin.saveLines;
694 j = selection.end.row + TermWin.saveLines;
695 if ((i < row1 && j > row1)
696 || (i < row2 && j > row2)
697 || (i - count < row1 && i >= row1)
698 || (i - count > row2 && i <= row2)
699 || (j - count < row1 && j >= row1)
700 || (j - count > row2 && j <= row2))
701 {
702 CLEAR_ALL_SELECTION ();
703 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
704 } 707 {
705 else if (j >= row1 && j <= row2)
706 {
707 /* move selected region too */
708 selection.beg.row -= count; 708 selection.beg.row -= count;
709 selection.end.row -= count; 709 selection.end.row -= count;
710 selection.mark.row -= count; 710 selection.mark.row -= count;
711 }
712 }
713 711
714 selection_check (0); /* _after_ TermWin.nscrolled update */ 712 selection_check (0);
715
716 num_scr += count;
717 j = count;
718
719 if (count < 0)
720 count = -count;
721
722 i = row2 - row1 + 1;
723 MIN_IT(count, i);
724
725 if (j > 0)
726 {
727 /* A: scroll up */
728
729 /* A1: Copy lines that will get clobbered by the rotation */
730 for (i = 0, j = row1; i < count; i++, j++)
731 { 713 }
732 buf_text[i] = screen.text[j]; 714
733 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)
734 } 727 {
735 /* A2: Rotate lines */ 728 if ((selection.beg.row < row1 && selection.end.row > row1)
736 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 }
737 { 747 }
738 screen.tlen[j] = screen.tlen[i]; 748
739 screen.text[j] = screen.text[i]; 749 // use a simple and robust scrolling algorithm, this
740 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)
741 } 754 {
742 j = row2 - count + 1, i = count; 755 line_t &l = ROW(row1 - 1);
743 } 756 l.is_longer (0);
744 else /* if (j < 0) */ 757 l.touch ();
745 {
746 /* B: scroll down */
747
748 /* B1: Copy lines that will get clobbered by the rotation */
749 for (i = 0, j = row2; i < count; i++, j--)
750 { 758 }
751 buf_text[i] = screen.text[j]; 759
752 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++)
753 } 767 {
754 /* B2: Rotate lines */ 768 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
755 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);
756 { 772 }
757 screen.tlen[j] = screen.tlen[i]; 773
758 screen.text[j] = screen.text[i]; 774 for (int row = 0; row < rows; row++)
759 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 ();
760 } 782 }
761 j = row1, i = count;
762 count = -count;
763 }
764
765 /* C: Resurrect lines */
766 for (; i--; j++)
767 { 783 }
768 screen.tlen[j] = 0;
769 screen.text[j] = buf_text[i];
770 screen.rend[j] = buf_rend[i];
771
772 if (!spec) /* line length may not equal TermWin.ncol */
773 scr_blank_screen_mem (screen.text, screen.rend,
774 (unsigned int)j, rstyle);
775 }
776
777#ifdef RXVT_GRAPHICS
778 if (Gr_Displayed ())
779 Gr_scroll (count);
780#endif
781 784
782 return count; 785 return count;
783} 786}
784 787
785/* ------------------------------------------------------------------------- */ 788/* ------------------------------------------------------------------------- */
786/* 789/*
787 * Add text given in <str> of length <len> to screen struct 790 * Add text given in <str> of length <len> to screen struct
788 */ 791 */
789void 792void ecb_hot
790rxvt_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
791{ 794{
792 unsigned char checksel, clearsel;
793 uint32_t c;
794 int i, row, last_col;
795 text_t *stp;
796 rend_t *srp;
797
798 if (len <= 0) /* sanity */ 795 if (len <= 0) /* sanity */
799 return; 796 return;
800 797
798 bool checksel;
799 unicode_t c;
800 int ncol = this->ncol;
801 const wchar_t *strend = str + len;
802
801 want_refresh = 1; 803 want_refresh = 1;
802 last_col = TermWin.ncol;
803
804 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
805 ZERO_SCROLLBACK(); 804 ZERO_SCROLLBACK ();
805
806 if (nlines > 0) 806 if (minlines > 0)
807 { 807 {
808 nlines += (screen.cur.row - screen.bscroll); 808 minlines += screen.cur.row - screen.bscroll;
809 min_it (minlines, screen.cur.row - top_row);
810
809 if ((nlines > 0) 811 if (minlines > 0
810 && (screen.tscroll == 0) 812 && screen.tscroll == 0
811 && (screen.bscroll == (TermWin.nrow - 1))) 813 && screen.bscroll == nrow - 1)
812 { 814 {
813 /* _at least_ this many lines need to be scrolled */ 815 /* _at least_ this many lines need to be scrolled */
814 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 816 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
815 screen.cur.row -= nlines; 817 screen.cur.row -= minlines;
816 } 818 }
817 } 819 }
818#ifdef DEBUG_STRICT 820
819 assert(screen.cur.col < last_col); 821 assert (screen.cur.col < ncol);
820 assert((screen.cur.row < TermWin.nrow) 822 assert (screen.cur.row < nrow
821 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 823 && screen.cur.row >= top_row);
822#else /* drive with your eyes closed */ 824 int row = screen.cur.row;
823 MIN_IT(screen.cur.col, last_col - 1);
824 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
825 MAX_IT(screen.cur.row, -(int32_t)TermWin.nscrolled);
826#endif
827 row = screen.cur.row + TermWin.saveLines;
828 825
829 checksel = (selection.op 826 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
830 && current_screen == selection.screen) ? 1 : 0;
831 clearsel = 0;
832 827
833 stp = screen.text[row]; 828 line_t *line = &ROW(row);
834 srp = screen.rend[row];
835 829
836 for (i = 0; i < len;) 830 while (str < strend)
837 { 831 {
838 c = str[i++]; 832 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
839 switch (c) 833
834 if (ecb_unlikely (c < 0x20))
835 if (c == C0_LF)
840 { 836 {
841 case '\t': 837 max_it (line->l, screen.cur.col);
842 scr_tab (1); 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 */
843 continue; 847 continue;
844 case '\n': 848 }
845 if (screen.tlen[row] != -1) /* XXX: think about this */ 849 else if (c == C0_CR)
846 MAX_IT(screen.tlen[row], screen.cur.col); 850 {
847 screen.flags &= ~Screen_WrapNext; 851 max_it (line->l, screen.cur.col);
848 if (screen.cur.row == screen.bscroll) 852
849 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
850 else if (screen.cur.row < (TermWin.nrow - 1))
851 row = (++screen.cur.row) + TermWin.saveLines;
852 stp = screen.text[row]; /* _must_ refresh */
853 srp = screen.rend[row]; /* _must_ refresh */
854 continue;
855 case '\r':
856 if (screen.tlen[row] != -1) /* XXX: think about this */
857 MAX_IT(screen.tlen[row], screen.cur.col);
858 screen.flags &= ~Screen_WrapNext; 853 screen.flags &= ~Screen_WrapNext;
859 screen.cur.col = 0; 854 screen.cur.col = 0;
860 continue; 855 continue;
861 default:
862 if (c == 127)
863 continue; /* yummmm..... */
864 break;
865 } 856 }
857 else if (c == C0_HT)
858 {
859 scr_tab (1, true);
860 continue;
861 }
866 862
863 if (ecb_unlikely (
867 if (checksel /* see if we're writing within selection */ 864 checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 865 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 866 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
867 ))
870 { 868 {
871 checksel = 0; 869 checksel = 0;
872 clearsel = 1;
873 } 870 /*
874 if (screen.flags & Screen_WrapNext) 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 ();
875 { 876 }
876 screen.tlen[row] = -1;
877 if (screen.cur.row == screen.bscroll)
878 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0);
879 else if (screen.cur.row < (TermWin.nrow - 1))
880 row = (++screen.cur.row) + TermWin.saveLines;
881 stp = screen.text[row]; /* _must_ refresh */
882 srp = screen.rend[row]; /* _must_ refresh */
883 screen.cur.col = 0;
884 screen.flags &= ~Screen_WrapNext;
885 }
886 if (screen.flags & Screen_Insert)
887 scr_insdel_chars (1, INSERT);
888 877
889 if (charsets[screen.charset] == '0') // DEC SPECIAL 878 if (ecb_unlikely (screen.flags & Screen_WrapNext))
890 switch (c)
891 { 879 {
892 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 880 scr_do_wrap ();
893 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 881
894 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break; 882 line->l = ncol;
895 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break; 883 line->is_longer (1);
896 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break; 884
897 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break; 885 row = screen.cur.row;
898 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break; 886 line = &ROW(row); /* _must_ refresh */
899 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break; 887 }
900 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break; 888
901 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break; 889 // some utf-8 decoders "decode" surrogate characters: let's fix this.
902 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break; 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
900 {
901 // vt100 special graphics and line drawing
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
903 } 913 };
904 914
905 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 915 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
906 // rely on wcwidth to tell us the character width, at least for non-ascii 916 {
907 int width = c <= 128 ? 1 : wcwidth (c); 917 c = vt100_0[c - 0x41];
918 width = 1; // vt100 line drawing characters are always single-width
919 }
920 }
908 921
909 // width -1 characters (e.g. combining chars) are ignored currently. 922 if (ecb_unlikely (screen.flags & Screen_Insert))
923 scr_insdel_chars (width, INSERT);
924
910 if (width > 0) 925 if (width != 0)
911 do 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))
912 { 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
962 do
963 {
913 stp[screen.cur.col] = c; 964 line->t[screen.cur.col] = c;
914 srp[screen.cur.col] = rend; 965 line->r[screen.cur.col] = rend;
915 966
916 if (screen.cur.col < last_col - 1) 967 if (ecb_likely (screen.cur.col < ncol - 1))
917 screen.cur.col++; 968 screen.cur.col++;
918 else 969 else
919 { 970 {
920 screen.tlen[row] = last_col; 971 line->l = ncol;
921 if (screen.flags & Screen_Autowrap) 972 if (screen.flags & Screen_Autowrap)
922 screen.flags |= Screen_WrapNext; 973 screen.flags |= Screen_WrapNext;
923 break; 974
975 goto end_of_line;
924 } 976 }
925 977
926 c = NOCHAR; 978 c = NOCHAR;
927 } 979 }
928 while (--width > 0); 980 while (ecb_unlikely (--width > 0));
929 else
930 (void)0; /* handle combining character etc. here. */
931 }
932 981
933 if (screen.tlen[row] != -1) /* XXX: think about this */ 982 // pad with spaces when overwriting wide character with smaller one
934 MAX_IT(screen.tlen[row], screen.cur.col); 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 }
935 988
936 /* 989end_of_line:
937 * If we wrote anywhere in the selected area, kill the selection 990 ;
938 * XXX: should we kill the mark too? Possibly, but maybe that 991 }
939 * should be a similar check. 992#if ENABLE_COMBINING
940 */ 993 else // width == 0
941 if (clearsel) 994 {
942 CLEAR_SELECTION(); 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;
943 1004
944#ifdef DEBUG_STRICT 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 }
1018 else
1019 continue;
1020
1021 linep->touch ();
1022
1023 while (*tp == NOCHAR && tp > linep->t)
1024 tp--, rp--;
1025
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
945 assert(screen.cur.row >= 0); 1040 assert (screen.cur.row >= 0);
946#else /* drive with your eyes closed */
947 MAX_IT(screen.cur.row, 0);
948#endif
949} 1041}
950 1042
951/* ------------------------------------------------------------------------- */ 1043/* ------------------------------------------------------------------------- */
952/* 1044/*
953 * 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
954 * XTERM_SEQ: CTRL-H 1046 * XTERM_SEQ: CTRL-H
955 */ 1047 */
956void 1048void
957rxvt_term::scr_backspace () 1049rxvt_term::scr_backspace () noexcept
958{ 1050{
959 want_refresh = 1;
960 if (screen.cur.col == 0) 1051 if (screen.cur.col == 0)
961 { 1052 {
962 if (screen.cur.row > 0) 1053 if (screen.cur.row > 0)
963 { 1054 {
964#ifdef TERMCAP_HAS_BW 1055#ifdef TERMCAP_HAS_BW
965 screen.cur.col = TermWin.ncol - 1; 1056 screen.cur.col = ncol - 1;
966 screen.cur.row--; 1057 --screen.cur.row;
967 return;
968#endif
969 1058
1059 want_refresh = 1;
1060#endif
970 } 1061 }
971 } 1062 }
972 else if ((screen.flags & Screen_WrapNext) == 0) 1063 else if (screen.flags & Screen_WrapNext)
1064 screen.flags &= ~Screen_WrapNext;
1065 else
973 scr_gotorc (0, -1, RELATIVE); 1066 scr_gotorc (0, -1, RELATIVE);
974 screen.flags &= ~Screen_WrapNext;
975} 1067}
976 1068
977/* ------------------------------------------------------------------------- */ 1069/* ------------------------------------------------------------------------- */
978/* 1070/*
979 * Process Horizontal Tab 1071 * Process Horizontal Tab
980 * count: +ve = forward; -ve = backwards 1072 * count: +ve = forward; -ve = backwards
981 * XTERM_SEQ: CTRL-I 1073 * XTERM_SEQ: CTRL-I
982 */ 1074 */
983void 1075void
984rxvt_term::scr_tab (int count) 1076rxvt_term::scr_tab (int count, bool ht) noexcept
985{ 1077{
986 int i, x; 1078 int i, x;
987 1079
988 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
989 want_refresh = 1; 1080 want_refresh = 1;
990 i = x = screen.cur.col; 1081 i = x = screen.cur.col;
1082
991 if (count == 0) 1083 if (count == 0)
992 return; 1084 return;
993 else if (count > 0) 1085 else if (count > 0)
994 { 1086 {
1087 line_t &l = ROW(screen.cur.row);
1088 rend_t base_rend = l.r[i];
1089 ht &= l.t[i] == ' ';
1090
995 for (; ++i < TermWin.ncol; ) 1091 for (; ++i < ncol; )
996 if (tabs[i]) 1092 if (tabs[i])
997 { 1093 {
998 x = i; 1094 x = i;
1095
999 if (!--count) 1096 if (!--count)
1000 break; 1097 break;
1001 } 1098 }
1099 else
1100 ht &= l.t[i] == ' '
1101 && RS_SAME (l.r[i], base_rend);
1102
1002 if (count) 1103 if (count)
1003 x = TermWin.ncol - 1; 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;
1123 }
1124 }
1004 } 1125 }
1005 else /* if (count < 0) */ 1126 else /* if (count < 0) */
1006 { 1127 {
1007 for (; --i >= 0; ) 1128 for (; --i >= 0; )
1008 if (tabs[i]) 1129 if (tabs[i])
1009 { 1130 {
1010 x = i; 1131 x = i;
1011 if (!++count) 1132 if (!++count)
1012 break; 1133 break;
1013 } 1134 }
1135
1014 if (count) 1136 if (count)
1015 x = 0; 1137 x = 0;
1016 } 1138 }
1139
1017 if (x != screen.cur.col) 1140 if (x != screen.cur.col)
1018 scr_gotorc (0, x, R_RELATIVE); 1141 scr_gotorc (0, x, R_RELATIVE);
1019} 1142}
1020 1143
1021/* ------------------------------------------------------------------------- */ 1144/* ------------------------------------------------------------------------- */
… …
1023 * Process DEC Back Index 1146 * Process DEC Back Index
1024 * XTERM_SEQ: ESC 6 1147 * XTERM_SEQ: ESC 6
1025 * 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
1026 * in that row right. Clear left column. 1149 * in that row right. Clear left column.
1027 */ 1150 */
1028#ifndef NO_FRILLS 1151#if !ENABLE_MINIMAL
1029void 1152void ecb_cold
1030rxvt_term::scr_backindex () 1153rxvt_term::scr_backindex () noexcept
1031{ 1154{
1032 if (screen.cur.col > 0) 1155 if (screen.cur.col > 0)
1033 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1156 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1034 else 1157 else
1035 {
1036 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1037 return; /* um, yeah? */
1038 scr_insdel_chars (1, INSERT); 1158 scr_insdel_chars (1, INSERT);
1039 }
1040} 1159}
1041#endif 1160#endif
1042/* ------------------------------------------------------------------------- */ 1161/* ------------------------------------------------------------------------- */
1043/* 1162/*
1044 * Process DEC Forward Index 1163 * Process DEC Forward Index
1045 * XTERM_SEQ: ESC 9 1164 * XTERM_SEQ: ESC 9
1046 * 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
1047 * in that row left. Clear right column. 1166 * in that row left. Clear right column.
1048 */ 1167 */
1049#ifndef NO_FRILLS 1168#if !ENABLE_MINIMAL
1050void 1169void ecb_cold
1051rxvt_term::scr_forwardindex () 1170rxvt_term::scr_forwardindex () noexcept
1052{ 1171{
1053 int row;
1054
1055 if (screen.cur.col < TermWin.ncol - 1) 1172 if (screen.cur.col < ncol - 1)
1056 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1173 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1057 else 1174 else
1058 { 1175 {
1059 row = screen.cur.row + TermWin.saveLines; 1176 line_t &l = ROW(screen.cur.row);
1060 if (screen.tlen[row] == 0) 1177
1061 return; /* um, yeah? */ 1178 l.touch ();
1062 else if (screen.tlen[row] == -1) 1179 l.is_longer (0);
1063 screen.tlen[row] = TermWin.ncol; 1180
1064 scr_gotorc (0, 0, R_RELATIVE); 1181 scr_gotorc (0, 0, R_RELATIVE);
1065 scr_insdel_chars (1, DELETE); 1182 scr_insdel_chars (1, DELETE);
1066 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1183 scr_gotorc (0, ncol - 1, R_RELATIVE);
1067 } 1184 }
1068} 1185}
1069#endif 1186#endif
1070 1187
1071/* ------------------------------------------------------------------------- */ 1188/* ------------------------------------------------------------------------- */
1072/* 1189/*
1073 * Goto Row/Column 1190 * Goto Row/Column
1074 */ 1191 */
1075void 1192void
1076rxvt_term::scr_gotorc (int row, int col, int relative) 1193rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1077{ 1194{
1078 want_refresh = 1; 1195 want_refresh = 1;
1079 ZERO_SCROLLBACK(); 1196 ZERO_SCROLLBACK ();
1080#ifdef RXVT_GRAPHICS
1081 if (Gr_Displayed ())
1082 Gr_scroll (0);
1083#endif
1084 1197
1085 D_SCREEN((stderr, "rxvt_scr_gotorc(r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col));
1086
1087 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1198 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1088 : col); 1199 clamp_it (screen.cur.col, 0, ncol - 1);
1089 MAX_IT(screen.cur.col, 0);
1090 MIN_IT(screen.cur.col, (int32_t)TermWin.ncol - 1);
1091 1200
1092 screen.flags &= ~Screen_WrapNext; 1201 screen.flags &= ~Screen_WrapNext;
1202
1093 if (relative & R_RELATIVE) 1203 if (relative & R_RELATIVE)
1094 { 1204 {
1095 if (row > 0) 1205 if (row > 0)
1096 { 1206 {
1097 if (screen.cur.row <= screen.bscroll 1207 if (screen.cur.row <= screen.bscroll
… …
1110 } 1220 }
1111 } 1221 }
1112 else 1222 else
1113 { 1223 {
1114 if (screen.flags & Screen_Relative) 1224 if (screen.flags & Screen_Relative)
1225 {
1115 { /* relative origin mode */ 1226 /* relative origin mode */
1116 screen.cur.row = row + screen.tscroll; 1227 screen.cur.row = row + screen.tscroll;
1117 MIN_IT(screen.cur.row, screen.bscroll); 1228 min_it (screen.cur.row, screen.bscroll);
1118 } 1229 }
1119 else 1230 else
1120 screen.cur.row = row; 1231 screen.cur.row = row;
1121 } 1232 }
1122 MAX_IT(screen.cur.row, 0);
1123 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
1124}
1125 1233
1234 clamp_it (screen.cur.row, 0, nrow - 1);
1235}
1236
1126/* ------------------------------------------------------------------------- */ 1237/* ------------------------------------------------------------------------- */
1127/* 1238/*
1128 * direction should be UP or DN 1239 * direction should be UP or DN
1129 */ 1240 */
1130void 1241void
1131rxvt_term::scr_index (enum page_dirn direction) 1242rxvt_term::scr_index (enum page_dirn direction) noexcept
1132{ 1243{
1133 int dirn;
1134
1135 want_refresh = 1; 1244 want_refresh = 1;
1136 dirn = ((direction == UP) ? 1 : -1);
1137 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1138
1139 ZERO_SCROLLBACK(); 1245 ZERO_SCROLLBACK ();
1140
1141#ifdef RXVT_GRAPHICS
1142 if (Gr_Displayed ())
1143 Gr_scroll (0);
1144#endif
1145 1246
1146 screen.flags &= ~Screen_WrapNext; 1247 screen.flags &= ~Screen_WrapNext;
1248
1147 if ((screen.cur.row == screen.bscroll && direction == UP) 1249 if ((screen.cur.row == screen.bscroll && direction == UP)
1148 || (screen.cur.row == screen.tscroll && direction == DN)) 1250 || (screen.cur.row == screen.tscroll && direction == DN))
1149 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1251 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1150 else 1252 else
1151 screen.cur.row += dirn; 1253 screen.cur.row += direction;
1152 MAX_IT(screen.cur.row, 0); 1254
1153 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1255 clamp_it (screen.cur.row, 0, nrow - 1);
1154 selection_check (0); 1256 selection_check (0);
1155} 1257}
1156 1258
1157/* ------------------------------------------------------------------------- */ 1259/* ------------------------------------------------------------------------- */
1158/* 1260/*
1159 * Erase part or whole of a line 1261 * Erase part or whole of a line
1160 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1262 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1161 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1263 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1162 * 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
1163 */ 1266 */
1164void 1267void
1165rxvt_term::scr_erase_line (int mode) 1268rxvt_term::scr_erase_line (int mode) noexcept
1166{ 1269{
1167 unsigned int row, col, num; 1270 unsigned int col, num;
1168 1271
1169 want_refresh = 1; 1272 want_refresh = 1;
1170 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1171 ZERO_SCROLLBACK (); 1273 ZERO_SCROLLBACK ();
1172 1274
1173#ifdef RXVT_GRAPHICS
1174 if (Gr_Displayed ())
1175 Gr_scroll (0);
1176#endif
1177
1178 selection_check (1); 1275 selection_check (1);
1179 1276
1180 screen.flags &= ~Screen_WrapNext; 1277 line_t &line = ROW(screen.cur.row);
1181 1278
1182 row = TermWin.saveLines + screen.cur.row; 1279 line.touch ();
1280 line.is_longer (0);
1281
1183 switch (mode) 1282 switch (mode)
1184 { 1283 {
1284 case 3:
1285 if (screen.flags & Screen_WrapNext)
1286 return;
1287
1288 /* fall through */
1289
1185 case 0: /* erase to end of line */ 1290 case 0: /* erase to end of line */
1186 col = screen.cur.col; 1291 col = screen.cur.col;
1187 num = TermWin.ncol - col; 1292 num = ncol - col;
1188 MIN_IT(screen.tlen[row], (int16_t)col); 1293 min_it (line.l, col);
1294
1189 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1295 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1190 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1296 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1191 CLEAR_SELECTION(); 1297 CLEAR_SELECTION ();
1192 break; 1298 break;
1299
1193 case 1: /* erase to beginning of line */ 1300 case 1: /* erase to beginning of line */
1194 col = 0; 1301 col = 0;
1195 num = screen.cur.col + 1; 1302 num = screen.cur.col + 1;
1303
1196 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1304 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1197 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1305 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1198 CLEAR_SELECTION(); 1306 CLEAR_SELECTION ();
1199 break; 1307 break;
1308
1200 case 2: /* erase whole line */ 1309 case 2: /* erase whole line */
1201 col = 0; 1310 col = 0;
1202 num = TermWin.ncol; 1311 num = ncol;
1203 screen.tlen[row] = 0; 1312 line.l = 0;
1204 if (selection.beg.row <= screen.cur.row 1313 if (selection.beg.row <= screen.cur.row
1205 && selection.end.row >= screen.cur.row) 1314 && selection.end.row >= screen.cur.row)
1206 CLEAR_SELECTION(); 1315 CLEAR_SELECTION ();
1207 break; 1316 break;
1208 default: 1317 default:
1209 return; 1318 return;
1210 } 1319 }
1211 1320
1212 if (screen.text[row]) 1321 scr_blank_line (line, col, num, rstyle);
1213 scr_blank_line (&(screen.text[row][col]),
1214 &(screen.rend[row][col]), num, rstyle);
1215 else
1216 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1217} 1322}
1218 1323
1219/* ------------------------------------------------------------------------- */ 1324/* ------------------------------------------------------------------------- */
1220/* 1325/*
1221 * Erase part of whole of the screen 1326 * Erase part or whole of the screen
1222 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1327 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1223 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1328 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1224 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1329 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1225 */ 1330 */
1226void 1331void
1227rxvt_term::scr_erase_screen (int mode) 1332rxvt_term::scr_erase_screen (int mode) noexcept
1228{ 1333{
1229 int num; 1334 int num;
1230 int32_t row, row_offset; 1335 int32_t row;
1231 rend_t ren; 1336 rend_t ren;
1232 XGCValues gcvalue; 1337 XGCValues gcvalue;
1233 1338
1234 want_refresh = 1; 1339 want_refresh = 1;
1235 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1236 ZERO_SCROLLBACK (); 1340 ZERO_SCROLLBACK ();
1237 row_offset = (int32_t)TermWin.saveLines;
1238 1341
1239 switch (mode) 1342 switch (mode)
1240 { 1343 {
1241 case 0: /* erase to end of screen */ 1344 case 0: /* erase to end of screen */
1242 selection_check (1);
1243 scr_erase_line (0); 1345 scr_erase_line (0);
1244 row = screen.cur.row + 1; /* possible OOB */ 1346 row = screen.cur.row + 1; /* possible OOB */
1245 num = TermWin.nrow - row; 1347 num = nrow - row;
1246 break; 1348 break;
1247 case 1: /* erase to beginning of screen */ 1349 case 1: /* erase to beginning of screen */
1248 selection_check (3);
1249 scr_erase_line (1); 1350 scr_erase_line (1);
1250 row = 0; 1351 row = 0;
1251 num = screen.cur.row; 1352 num = screen.cur.row;
1252 break; 1353 break;
1253 case 2: /* erase whole screen */ 1354 case 2: /* erase whole screen */
1254 selection_check (3);
1255#ifdef RXVT_GRAPHICS
1256 Gr_ClearScreen ();
1257#endif
1258 row = 0; 1355 row = 0;
1259 num = TermWin.nrow; 1356 num = nrow;
1260 break; 1357 break;
1261 default: 1358 default:
1262 return; 1359 return;
1263 } 1360 }
1264 refresh_type |= REFRESH_BOUNDS; 1361
1265 if (selection.op && current_screen == selection.screen 1362 if (selection.op && current_screen == selection.screen
1266 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1363 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1267 || (selection.end.row >= row 1364 || (selection.end.row >= row
1268 && selection.end.row <= row + num))) 1365 && selection.end.row <= row + num)))
1269 CLEAR_SELECTION (); 1366 CLEAR_SELECTION ();
1367
1270 if (row >= TermWin.nrow) /* Out Of Bounds */ 1368 if (row >= nrow) /* Out Of Bounds */
1271 return; 1369 return;
1272 MIN_IT(num, (TermWin.nrow - row)); 1370
1371 min_it (num, nrow - row);
1372
1273 if (rstyle & (RS_RVid | RS_Uline)) 1373 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1274 ren = (rend_t) ~RS_None; 1374 ren = (rend_t) ~RS_None;
1275 else if (GET_BASEBG(rstyle) == Color_bg) 1375 else if (GET_BASEBG (rstyle) == Color_bg)
1276 { 1376 {
1277 ren = DEFAULT_RSTYLE; 1377 ren = DEFAULT_RSTYLE;
1278 CLEAR_ROWS(row, num); 1378
1379 if (mapped)
1380 XClearArea (dpy, vt, 0,
1381 Row2Pixel (row - view_start), (unsigned int)vt_width,
1382 (unsigned int)Height2Pixel (num), False);
1279 } 1383 }
1280 else 1384 else
1281 { 1385 {
1282 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1386 ren = rstyle & (RS_fgMask | RS_bgMask);
1387
1388 if (mapped)
1389 {
1283 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1390 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1284 XChangeGC(display->display, TermWin.gc, GCForeground, &gcvalue); 1391 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1285 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));
1286 gcvalue.foreground = PixColors[Color_fg]; 1396 gcvalue.foreground = pix_colors[Color_fg];
1287 XChangeGC(display->display, TermWin.gc, GCForeground, &gcvalue); 1397 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1398 }
1288 } 1399 }
1400
1289 for (; num--; row++) 1401 for (; num--; row++)
1290 { 1402 {
1291 scr_blank_screen_mem (screen.text, screen.rend, 1403 scr_blank_screen_mem (ROW(row), rstyle);
1292 (unsigned int)(row + row_offset), rstyle); 1404
1293 screen.tlen[row + row_offset] = 0; 1405 if (row - view_start < nrow)
1294 scr_blank_line (drawn_text[row], drawn_rend[row], 1406 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1295 (unsigned int)TermWin.ncol, ren);
1296 } 1407 }
1297} 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
1298 1420
1299/* ------------------------------------------------------------------------- */ 1421/* ------------------------------------------------------------------------- */
1300/* 1422/*
1301 * Fill the screen with `E's 1423 * Fill the screen with `E's
1302 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1424 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1303 */ 1425 */
1304void 1426void ecb_cold
1305rxvt_term::scr_E () 1427rxvt_term::scr_E () noexcept
1306{ 1428{
1307 int i, j, k; 1429 rend_t fs;
1308 rend_t *r1, fs;
1309 1430
1310 want_refresh = 1; 1431 want_refresh = 1;
1432 ZERO_SCROLLBACK ();
1433
1311 num_scr_allow = 0; 1434 num_scr_allow = 0;
1312 ZERO_SCROLLBACK();
1313 selection_check (3);
1314 1435
1436 row_col_t pos;
1437 pos.row = pos.col = 0;
1438 if (ROWCOL_IS_AFTER (selection.end, pos))
1439 CLEAR_SELECTION ();
1440
1315 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1441 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1316 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) 1442 for (int row = nrow; row--; )
1317 { 1443 {
1318 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1444 line_t &line = ROW(row);
1445
1319 fill_text (screen.text[k], 'E', TermWin.ncol); 1446 fill_text (line.t, 'E', ncol);
1320 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1447 rend_t *r1 = line.r;
1448
1449 for (int j = ncol; j--; )
1321 *r1++ = fs; 1450 *r1++ = fs;
1451
1452 line.is_longer (0);
1453 line.touch (ncol);
1322 } 1454 }
1323} 1455}
1324 1456
1325/* ------------------------------------------------------------------------- */ 1457/* ------------------------------------------------------------------------- */
1326/* 1458/*
1327 * Insert/Delete <count> lines 1459 * Insert/Delete <count> lines
1328 */ 1460 */
1329void 1461void
1330rxvt_term::scr_insdel_lines (int count, int insdel) 1462rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1331{ 1463{
1332 int end; 1464 int end;
1333 1465
1334 ZERO_SCROLLBACK(); 1466 ZERO_SCROLLBACK ();
1335
1336#ifdef RXVT_GRAPHICS
1337 if (Gr_Displayed ())
1338 Gr_scroll (0);
1339#endif
1340 1467
1341 selection_check (1); 1468 selection_check (1);
1342 1469
1343 if (screen.cur.row > screen.bscroll) 1470 if (screen.cur.row > screen.bscroll)
1344 return; 1471 return;
… …
1349 if (insdel == DELETE) 1476 if (insdel == DELETE)
1350 return; 1477 return;
1351 else if (insdel == INSERT) 1478 else if (insdel == INSERT)
1352 count = end; 1479 count = end;
1353 } 1480 }
1354 screen.flags &= ~Screen_WrapNext;
1355 1481
1482 scr_do_wrap ();
1483
1356 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1484 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1357} 1485}
1358 1486
1359/* ------------------------------------------------------------------------- */ 1487/* ------------------------------------------------------------------------- */
1360/* 1488/*
1361 * Insert/Delete <count> characters from the current position 1489 * Insert/Delete <count> characters from the current position
1362 */ 1490 */
1363void 1491void
1364rxvt_term::scr_insdel_chars (int count, int insdel) 1492rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1365{ 1493{
1366 int col, row;
1367 rend_t tr;
1368 text_t *stp;
1369 rend_t *srp;
1370 int16_t *slp;
1371
1372 want_refresh = 1; 1494 want_refresh = 1;
1373 ZERO_SCROLLBACK(); 1495 ZERO_SCROLLBACK ();
1374
1375#ifdef RXVT_GRAPHICS
1376 if (Gr_Displayed ())
1377 Gr_scroll (0);
1378#endif
1379 1496
1380 if (count <= 0) 1497 if (count <= 0)
1381 return; 1498 return;
1382 1499
1500 scr_do_wrap ();
1501
1383 selection_check (1); 1502 selection_check (1);
1384 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1503 min_it (count, ncol - screen.cur.col);
1385 1504
1386 row = screen.cur.row + TermWin.saveLines; 1505 int row = screen.cur.row;
1387 screen.flags &= ~Screen_WrapNext;
1388 1506
1389 stp = screen.text[row]; 1507 line_t *line = &ROW(row);
1390 srp = screen.rend[row]; 1508
1391 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
1392 switch (insdel) 1516 switch (insdel)
1393 { 1517 {
1394 case INSERT: 1518 case INSERT:
1395 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1519 line->l = min (line->l + count, ncol);
1396 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--)
1397 { 1525 {
1398 stp[col] = stp[col - count]; 1526 line->t[col] = line->t[col - count];
1399 srp[col] = srp[col - count]; 1527 line->r[col] = line->r[col - count];
1400 } 1528 }
1401 if (*slp != -1) 1529
1402 {
1403 *slp += count;
1404 MIN_IT(*slp, TermWin.ncol);
1405 }
1406 if (selection.op && current_screen == selection.screen 1530 if (selection.op && current_screen == selection.screen
1407 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) 1531 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1408 { 1532 {
1409 if (selection.end.row != screen.cur.row 1533 if (selection.end.row != screen.cur.row
1410 || (selection.end.col + count >= TermWin.ncol)) 1534 || (selection.end.col + count >= ncol))
1411 CLEAR_SELECTION(); 1535 CLEAR_SELECTION ();
1412 else 1536 else
1537 {
1413 { /* shift selection */ 1538 /* shift selection */
1414 selection.beg.col += count; 1539 selection.beg.col += count;
1415 selection.mark.col += count; /* XXX: yes? */ 1540 selection.mark.col += count; /* XXX: yes? */
1416 selection.end.col += count; 1541 selection.end.col += count;
1417 } 1542 }
1418 } 1543 }
1419 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1544
1420 (unsigned int)count, rstyle); 1545 scr_blank_line (*line, screen.cur.col, count, rstyle);
1421 break; 1546 break;
1547
1422 case ERASE: 1548 case ERASE:
1423 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1549 screen.cur.col += count; /* don't worry if > ncol */
1424 selection_check (1); 1550 selection_check (1);
1425 screen.cur.col -= count; 1551 screen.cur.col -= count;
1426 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1552
1427 (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);
1428 break; 1558 break;
1559
1429 case DELETE: 1560 case DELETE:
1430 tr = srp[TermWin.ncol - 1] 1561 line->l = max (line->l - count, 0);
1431 & (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
1432 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) 1567 for (int col = screen.cur.col; (col + count) < ncol; col++)
1433 { 1568 {
1434 stp[col] = stp[col + count]; 1569 line->t[col] = line->t[col + count];
1435 srp[col] = srp[col + count]; 1570 line->r[col] = line->r[col + count];
1436 } 1571 }
1437 scr_blank_line (&(stp[TermWin.ncol - count]), 1572
1438 &(srp[TermWin.ncol - count]), 1573 scr_blank_line (*line, ncol - count, count, rstyle);
1439 (unsigned int)count, tr); 1574
1440 if (*slp == -1) /* break line continuation */
1441 *slp = TermWin.ncol;
1442 *slp -= count;
1443 MAX_IT(*slp, 0);
1444 if (selection.op && current_screen == selection.screen 1575 if (selection.op && current_screen == selection.screen
1445 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) 1576 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1446 { 1577 {
1447 if (selection.end.row != screen.cur.row 1578 if (selection.end.row != screen.cur.row
1448 || (screen.cur.col >= selection.beg.col - count) 1579 || (screen.cur.col >= selection.beg.col - count)
1449 || selection.end.col >= TermWin.ncol) 1580 || selection.end.col >= ncol)
1450 CLEAR_SELECTION(); 1581 CLEAR_SELECTION ();
1451 else 1582 else
1452 { 1583 {
1453 /* shift selection */ 1584 /* shift selection */
1454 selection.beg.col -= count; 1585 selection.beg.col -= count;
1455 selection.mark.col -= count; /* XXX: yes? */ 1586 selection.mark.col -= count; /* XXX: yes? */
1456 selection.end.col -= count; 1587 selection.end.col -= count;
1457 } 1588 }
1458 } 1589 }
1590
1459 break; 1591 break;
1460 } 1592 }
1461} 1593}
1462 1594
1463/* ------------------------------------------------------------------------- */ 1595/* ------------------------------------------------------------------------- */
1464/* 1596/*
1465 * Set the scrolling region 1597 * Set the scrolling region
1466 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1598 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1467 */ 1599 */
1468void 1600void ecb_cold
1469rxvt_term::scr_scroll_region (int top, int bot) 1601rxvt_term::scr_scroll_region (int top, int bot) noexcept
1470{ 1602{
1471 MAX_IT(top, 0); 1603 max_it (top, 0);
1472 MIN_IT(bot, (int)TermWin.nrow - 1); 1604 min_it (bot, nrow - 1);
1605
1473 if (top > bot) 1606 if (top > bot)
1474 return; 1607 return;
1608
1475 screen.tscroll = top; 1609 screen.tscroll = top;
1476 screen.bscroll = bot; 1610 screen.bscroll = bot;
1477 scr_gotorc (0, 0, 0); 1611 scr_gotorc (0, 0, 0);
1478} 1612}
1479 1613
… …
1481/* 1615/*
1482 * Make the cursor visible/invisible 1616 * Make the cursor visible/invisible
1483 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1617 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1484 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1618 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1485 */ 1619 */
1486void 1620void ecb_cold
1487rxvt_term::scr_cursor_visible (int mode) 1621rxvt_term::scr_cursor_visible (int mode) noexcept
1488{ 1622{
1489 want_refresh = 1; 1623 want_refresh = 1;
1624
1490 if (mode) 1625 if (mode)
1491 screen.flags |= Screen_VisibleCursor; 1626 screen.flags |= Screen_VisibleCursor;
1492 else 1627 else
1493 screen.flags &= ~Screen_VisibleCursor; 1628 screen.flags &= ~Screen_VisibleCursor;
1494} 1629}
… …
1497/* 1632/*
1498 * Set/unset automatic wrapping 1633 * Set/unset automatic wrapping
1499 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1634 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1500 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1635 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1501 */ 1636 */
1502void 1637void ecb_cold
1503rxvt_term::scr_autowrap (int mode) 1638rxvt_term::scr_autowrap (int mode) noexcept
1504{ 1639{
1505 if (mode) 1640 if (mode)
1506 screen.flags |= Screen_Autowrap; 1641 screen.flags |= Screen_Autowrap;
1507 else 1642 else
1508 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1643 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1516 * 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
1517 * and the cursor cannot be moved outside. 1652 * and the cursor cannot be moved outside.
1518 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1653 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1519 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1654 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1520 */ 1655 */
1521void 1656void ecb_cold
1522rxvt_term::scr_relative_origin (int mode) 1657rxvt_term::scr_relative_origin (int mode) noexcept
1523{ 1658{
1524 if (mode) 1659 if (mode)
1525 screen.flags |= Screen_Relative; 1660 screen.flags |= Screen_Relative;
1526 else 1661 else
1527 screen.flags &= ~Screen_Relative; 1662 screen.flags &= ~Screen_Relative;
1663
1528 scr_gotorc (0, 0, 0); 1664 scr_gotorc (0, 0, 0);
1529} 1665}
1530 1666
1531/* ------------------------------------------------------------------------- */ 1667/* ------------------------------------------------------------------------- */
1532/* 1668/*
1533 * Set insert/replace mode 1669 * Set insert/replace mode
1534 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1670 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1535 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1671 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1536 */ 1672 */
1537void 1673void ecb_cold
1538rxvt_term::scr_insert_mode (int mode) 1674rxvt_term::scr_insert_mode (int mode) noexcept
1539{ 1675{
1540 if (mode) 1676 if (mode)
1541 screen.flags |= Screen_Insert; 1677 screen.flags |= Screen_Insert;
1542 else 1678 else
1543 screen.flags &= ~Screen_Insert; 1679 screen.flags &= ~Screen_Insert;
… …
1548 * Set/Unset tabs 1684 * Set/Unset tabs
1549 * XTERM_SEQ: Set tab at current column : ESC H 1685 * XTERM_SEQ: Set tab at current column : ESC H
1550 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1686 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1551 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1687 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1552 */ 1688 */
1553void 1689void ecb_cold
1554rxvt_term::scr_set_tab (int mode) 1690rxvt_term::scr_set_tab (int mode) noexcept
1555{ 1691{
1556 if (mode < 0) 1692 if (mode < 0)
1557 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1693 memset (tabs, 0, ncol);
1558 else if (screen.cur.col < TermWin.ncol) 1694 else if (screen.cur.col < ncol)
1559 tabs[screen.cur.col] = (mode ? 1 : 0); 1695 tabs [screen.cur.col] = !!mode;
1560} 1696}
1561 1697
1562/* ------------------------------------------------------------------------- */ 1698/* ------------------------------------------------------------------------- */
1563/* 1699/*
1564 * Set reverse/normal video 1700 * Set reverse/normal video
1565 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1701 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1566 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1702 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1567 */ 1703 */
1568void 1704void
1569rxvt_term::scr_rvideo_mode (int mode) 1705rxvt_term::scr_rvideo_mode (bool on) noexcept
1570{ 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
1571 XGCValues gcvalue; 1731 XGCValues gcvalue;
1572
1573 if (rvideo != mode)
1574 {
1575 rvideo = mode;
1576 SWAP_IT(PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1577#if defined(XPM_BACKGROUND)
1578 if (bgPixmap.pixmap == None)
1579#endif
1580#if defined(TRANSPARENT)
1581 if (!(Options & Opt_transparent) || am_transparent == 0)
1582#endif
1583 XSetWindowBackground(display->display, TermWin.vt,
1584 PixColors[Color_bg]);
1585
1586 gcvalue.foreground = PixColors[Color_fg]; 1732 gcvalue.foreground = pix_colors[Color_fg];
1587 gcvalue.background = PixColors[Color_bg]; 1733 gcvalue.background = pix_colors[Color_bg];
1588 XChangeGC(display->display, TermWin.gc, GCBackground | GCForeground, 1734 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1589 &gcvalue); 1735
1590 scr_clear (); 1736 scr_clear ();
1591 scr_touch (true); 1737 scr_touch (true);
1592 } 1738 }
1593} 1739}
1594 1740
1595/* ------------------------------------------------------------------------- */ 1741/* ------------------------------------------------------------------------- */
1596/* 1742/*
1597 * Report current cursor position 1743 * Report current cursor position
1598 * XTERM_SEQ: Report position: ESC [ 6 n 1744 * XTERM_SEQ: Report position: ESC [ 6 n
1599 */ 1745 */
1600void 1746void ecb_cold
1601rxvt_term::scr_report_position () 1747rxvt_term::scr_report_position () noexcept
1602{ 1748{
1603 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);
1604} 1750}
1605 1751
1606/* ------------------------------------------------------------------------- * 1752/* ------------------------------------------------------------------------- *
1607 * FONTS * 1753 * FONTS *
1608 * ------------------------------------------------------------------------- */ 1754 * ------------------------------------------------------------------------- */
1609 1755
1610/* 1756/*
1611 * Set font style 1757 * Set font style
1612 */ 1758 */
1613void 1759void ecb_cold
1614rxvt_term::set_font_style () 1760rxvt_term::set_font_style () noexcept
1615{ 1761{
1762#if 0
1616 switch (charsets[screen.charset]) 1763 switch (charsets [screen.charset])
1617 { 1764 {
1618 case '0': /* DEC Special Character & Line Drawing Set */ 1765 case '0': /* DEC Special Character & Line Drawing Set */
1619 break; 1766 break;
1620 case 'A': /* United Kingdom (UK) */ 1767 case 'A': /* United Kingdom (UK) */
1621 break; 1768 break;
… …
1628 case 'C': /* Finnish character set */ 1775 case 'C': /* Finnish character set */
1629 break; 1776 break;
1630 case 'K': /* German character set */ 1777 case 'K': /* German character set */
1631 break; 1778 break;
1632 } 1779 }
1780#endif
1633} 1781}
1634 1782
1635/* ------------------------------------------------------------------------- */ 1783/* ------------------------------------------------------------------------- */
1636/* 1784/*
1637 * Choose a font 1785 * Choose a font
1638 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1786 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1639 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1787 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1640 * XTERM_SEQ: Invoke G2 character set: ESC N 1788 * XTERM_SEQ: Invoke G2 character set: ESC N
1641 * XTERM_SEQ: Invoke G3 character set: ESC O 1789 * XTERM_SEQ: Invoke G3 character set: ESC O
1642 */ 1790 */
1643void 1791void ecb_cold
1644rxvt_term::scr_charset_choose (int set) 1792rxvt_term::scr_charset_choose (int set) noexcept
1645 { 1793{
1646 screen.charset = set; 1794 screen.charset = set;
1647 set_font_style (); 1795 set_font_style ();
1648 } 1796}
1649 1797
1650/* ------------------------------------------------------------------------- */ 1798/* ------------------------------------------------------------------------- */
1651/* 1799/*
1652 * Set a font 1800 * Set a font
1653 * XTERM_SEQ: Set G0 character set: ESC ( <C> 1801 * XTERM_SEQ: Set G0 character set: ESC ( <C>
… …
1655 * XTERM_SEQ: Set G2 character set: ESC * <C> 1803 * XTERM_SEQ: Set G2 character set: ESC * <C>
1656 * XTERM_SEQ: Set G3 character set: ESC + <C> 1804 * XTERM_SEQ: Set G3 character set: ESC + <C>
1657 * See set_font_style for possible values for <C> 1805 * See set_font_style for possible values for <C>
1658 */ 1806 */
1659void 1807void
1660rxvt_term::scr_charset_set (int set, unsigned int ch) 1808rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1661 { 1809{
1662 charsets[set] = (unsigned char)ch; 1810 charsets[set] = (unsigned char)ch;
1663 set_font_style (); 1811 set_font_style ();
1664 } 1812}
1665 1813
1666 1814
1667/* ------------------------------------------------------------------------- * 1815/* ------------------------------------------------------------------------- *
1668 * MAJOR SCREEN MANIPULATION * 1816 * MAJOR SCREEN MANIPULATION *
1669 * ------------------------------------------------------------------------- */ 1817 * ------------------------------------------------------------------------- */
1670 1818
1671/* 1819/*
1672 * refresh matching text. 1820 * refresh matching text.
1673 */ 1821 */
1674bool 1822bool ecb_cold
1675rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1823rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1676{ 1824{
1677 bool found = false; 1825 bool found = false;
1678 1826
1679 for (int i = 0; i < TermWin.nrow; i++) 1827 for (int i = 0; i < nrow; i++)
1680 { 1828 {
1681 int col = 0;
1682 rend_t *drp = drawn_rend [i]; 1829 rend_t *drp = drawn_buf[i].r;
1683 1830
1684 for (; col < TermWin.ncol; col++, drp++) 1831 for (int col = 0; col < ncol; col++, drp++)
1685 if ((*drp & mask) == value) 1832 if ((*drp & mask) == value)
1686 { 1833 {
1687 found = true; 1834 found = true;
1688 *drp = ~value; 1835 *drp = ~value;
1689 } 1836 }
… …
1699 PART_BEG = 0, 1846 PART_BEG = 0,
1700 PART_END, 1847 PART_END,
1701 RC_COUNT 1848 RC_COUNT
1702}; 1849};
1703 1850
1704void 1851void ecb_hot
1705rxvt_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
1706{ 1853{
1707 int i; 1854 int i;
1708 row_col_t rc[RC_COUNT]; 1855 row_col_t rc[RC_COUNT];
1709 1856
1710 if (drawn_text == NULL) /* sanity check */ 1857 if (!drawn_buf) /* sanity check */
1711 return; 1858 return;
1712 1859
1713#ifdef DEBUG_STRICT 1860#ifndef NO_SLOW_LINK_SUPPORT
1714 x = max(x, (int)TermWin.int_bwidth); 1861 if (refresh_type == FAST_REFRESH && !display->is_local)
1715 x = min(x, (int)TermWin.width); 1862 {
1716 y = max(y, (int)TermWin.int_bwidth); 1863 y = 0;
1717 y = min(y, (int)TermWin.height); 1864 eheight = height;
1865 }
1718#endif 1866#endif
1719 1867
1720 /* round down */ 1868 /* round down */
1721 rc[PART_BEG].col = Pixel2Col(x); 1869 rc[PART_BEG].col = Pixel2Col (x);
1722 rc[PART_BEG].row = Pixel2Row(y); 1870 rc[PART_BEG].row = Pixel2Row (y);
1723 /* round up */ 1871 /* round up */
1724 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1872 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1725 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1873 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1726 1874
1727 /* sanity checks */ 1875 /* sanity checks */
1728 for (i = PART_BEG; i < RC_COUNT; i++) 1876 for (i = PART_BEG; i < RC_COUNT; i++)
1729 { 1877 {
1730 MIN_IT(rc[i].col, TermWin.ncol - 1); 1878 min_it (rc[i].col, ncol - 1);
1731 MIN_IT(rc[i].row, TermWin.nrow - 1); 1879 min_it (rc[i].row, nrow - 1);
1732 } 1880 }
1733
1734 D_SCREEN((stderr, "rxvt_scr_expose(x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)-(c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row));
1735 1881
1736 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++)
1737 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);
1738 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1884
1885 num_scr_allow = 0;
1739 1886
1740 if (refresh) 1887 if (refresh)
1741 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1888 scr_refresh ();
1742} 1889}
1743 1890
1744/* ------------------------------------------------------------------------- */ 1891/* ------------------------------------------------------------------------- */
1745/* 1892/*
1746 * Refresh the entire screen 1893 * Refresh the entire screen
1747 */ 1894 */
1748void 1895void
1749rxvt_term::scr_touch (bool refresh) 1896rxvt_term::scr_touch (bool refresh) noexcept
1750{ 1897{
1751 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1898 scr_expose (0, 0, vt_width, vt_height, refresh);
1752} 1899}
1753 1900
1754/* ------------------------------------------------------------------------- */ 1901/* ------------------------------------------------------------------------- */
1755/* 1902/*
1756 * 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
1757 * the top of the screen 1904 * the top of the screen
1758 */ 1905 */
1759int 1906void
1760rxvt_term::scr_move_to (int y, int len) 1907rxvt_term::scr_move_to (int y, int len) noexcept
1761{ 1908{
1762 long p = 0; 1909 // lerp (y, 0, len, top_row, nrow - 1)
1763 uint16_t oldviewstart; 1910 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1764
1765 oldviewstart = TermWin.view_start;
1766 if (y < len)
1767 {
1768 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1769 p -= (long)(TermWin.nrow - 1);
1770 p = max(p, 0);
1771 }
1772 TermWin.view_start = (uint16_t)min(p, TermWin.nscrolled);
1773 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, TermWin.view_start));
1774
1775 return scr_changeview (oldviewstart);
1776} 1911}
1777 1912
1778/* ------------------------------------------------------------------------- */ 1913/* ------------------------------------------------------------------------- */
1779/* 1914/*
1780 * Page the screen up/down nlines 1915 * Page the screen up/down nlines
1781 * direction should be UP or DN 1916 * direction should be UP or DN
1782 */ 1917 */
1783int 1918bool
1784rxvt_term::scr_page (enum page_dirn direction, int nlines) 1919rxvt_term::scr_page (int nlines) noexcept
1785{ 1920{
1786 int n;
1787 uint16_t oldviewstart;
1788
1789 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1790#ifdef DEBUG_STRICT
1791 assert((nlines >= 0) && (nlines <= TermWin.nrow));
1792#endif
1793 oldviewstart = TermWin.view_start;
1794 if (direction == UP)
1795 {
1796 n = TermWin.view_start + nlines;
1797 TermWin.view_start = min(n, TermWin.nscrolled);
1798 }
1799 else
1800 {
1801 n = TermWin.view_start - nlines;
1802 TermWin.view_start = max(n, 0);
1803 }
1804 return scr_changeview (oldviewstart); 1921 return scr_changeview (view_start - nlines);
1805} 1922}
1806 1923
1807int 1924bool
1808rxvt_term::scr_changeview (uint16_t oldviewstart) 1925rxvt_term::scr_changeview (int new_view_start) noexcept
1809{ 1926{
1927 clamp_it (new_view_start, top_row, 0);
1928
1810 if (TermWin.view_start != oldviewstart) 1929 if (new_view_start == view_start)
1811 { 1930 return false;
1931
1932 num_scr += new_view_start - view_start;
1933 view_start = new_view_start;
1812 want_refresh = 1; 1934 want_refresh = 1;
1813#ifdef RXVT_GRAPHICS
1814 if (Gr_Displayed ())
1815 Gr_scroll (0);
1816#endif
1817 num_scr -= (TermWin.view_start - oldviewstart);
1818 }
1819 return (int)(TermWin.view_start - oldviewstart);
1820}
1821 1935
1822/* ------------------------------------------------------------------------- */ 1936 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1823void 1937
1824rxvt_term::scr_bell () 1938 return true;
1825{ 1939}
1940
1826#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
1827# ifndef NO_MAPALERT 1957# ifndef NO_MAPALERT
1828# ifdef MAPALERT_OPTION 1958# ifdef MAPALERT_OPTION
1829 if (Options & Opt_mapAlert) 1959 if (option (Opt_mapAlert))
1830# endif 1960# endif
1831 XMapWindow(display->display, TermWin.parent[0]); 1961 XMapWindow (dpy, parent);
1832# endif 1962# endif
1963
1964# if ENABLE_FRILLS
1965 if (option (Opt_urgentOnBell))
1966 set_urgency (1);
1967# endif
1968
1833 if (Options & Opt_visualBell) 1969 if (option (Opt_visualBell))
1834 { 1970 {
1835 scr_rvideo_mode (!rvideo); /* refresh also done */ 1971 rvideo_bell = true;
1836 scr_rvideo_mode (!rvideo); /* refresh also done */ 1972 scr_rvideo_mode (rvideo_mode);
1973 flush ();
1974
1975 bell_ev.start (VISUAL_BELL_DURATION);
1837 } 1976 }
1838 else 1977 else
1839 XBell(display->display, 0); 1978 XBell (dpy, 0);
1979 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1840#endif 1980#endif
1841} 1981}
1842 1982
1843/* ------------------------------------------------------------------------- */ 1983/* ------------------------------------------------------------------------- */
1844/* ARGSUSED */ 1984void ecb_cold
1845void
1846rxvt_term::scr_printscreen (int fullhist) 1985rxvt_term::scr_printscreen (int fullhist) noexcept
1847{ 1986{
1848#ifdef PRINTPIPE 1987#ifdef PRINTPIPE
1849 int i, r1, nrows, row_offset; 1988 int nrows, row_start;
1850 text_t *t; 1989 FILE *fd = popen_printer ();
1851 FILE *fd;
1852 1990
1853 if ((fd = popen_printer ()) == NULL) 1991 if (!fd)
1854 return; 1992 return;
1855 nrows = TermWin.nrow; 1993
1856 row_offset = TermWin.saveLines;
1857 if (!fullhist) 1994 if (fullhist)
1858 row_offset -= TermWin.view_start; 1995 {
1996 nrows = nrow - top_row;
1997 row_start = top_row;
1998 }
1859 else 1999 else
1860 { 2000 {
1861 nrows += TermWin.nscrolled; 2001 nrows = nrow;
1862 row_offset -= TermWin.nscrolled; 2002 row_start = view_start;
1863 }
1864
1865 for (r1 = 0; r1 < nrows; r1++)
1866 { 2003 }
1867 t = screen.text[r1 + row_offset]; 2004
1868 for (i = TermWin.ncol - 1; i >= 0; i--) 2005 wctomb (0, 0);
1869 if (!isspace(t[i])) 2006
1870 break; 2007 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1871 fprintf(fd, "%.*s\n", (i + 1), t);
1872 } 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
1873 pclose_printer (fd); 2033 pclose_printer (fd);
1874#endif 2034#endif
1875} 2035}
1876 2036
1877/* ------------------------------------------------------------------------- */ 2037/* ------------------------------------------------------------------------- */
1878/* 2038/*
1879 * Refresh the screen 2039 * Refresh the screen
1880 * drawn_text/drawn_rend contain the screen information before the update. 2040 * drawn_text/drawn_rend contain the screen information before the update.
1881 * screen.text/screen.rend contain what the screen will change to. 2041 * screen.text/screen.rend contain what the screen will change to.
1882 */ 2042 */
1883 2043void ecb_hot
1884#define FONT_WIDTH(X, Y) \ 2044rxvt_term::scr_refresh () noexcept
1885 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1886#define FONT_RBEAR(X, Y) \
1887 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1888#define FONT_LBEAR(X, Y) \
1889 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1890#define IS_FONT_CHAR(X, Y) \
1891 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1892
1893void
1894rxvt_term::scr_refresh (unsigned char refresh_type)
1895{ 2045{
1896 unsigned char clearfirst, /* first character writes before cell */
1897 clearlast, /* last character writes beyond cell */
1898 must_clear, /* use draw_string not draw_image_string */
1899 rvid, /* reverse video this position */
1900 showcursor; /* show the cursor */
1901 int16_t col, row, /* column/row we're processing */ 2046 int16_t col, row, /* column/row we're processing */
1902 ocrow; /* old cursor row */ 2047 ocrow; /* old cursor row */
1903 int cursorwidth;
1904 int i, /* tmp */ 2048 int i; /* tmp */
1905 row_offset; /* basic offset in screen structure */ 2049 rend_t ccol1, /* Cursor colour */
1906#ifndef NO_CURSORCOLOR 2050 ccol2; /* Cursor colour2 */
1907 rend_t cc1; /* store colours at cursor position(s) */ 2051 rend_t cur_rend;
1908#endif 2052 int cur_col;
1909 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2053 int cursorwidth;
1910 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1911 2054
2055 want_refresh = 0; /* screen is current */
2056
1912 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2057 if (refresh_type == NO_REFRESH || !mapped)
1913 return; 2058 return;
1914 2059
1915 /* 2060 /*
1916 * A: set up vars 2061 * A: set up vars
1917 */ 2062 */
1918 clearfirst = clearlast = must_clear = 0;
1919
1920 refresh_count = 0; 2063 refresh_count = 0;
1921 2064
1922 row_offset = TermWin.saveLines - TermWin.view_start; 2065 unsigned int old_screen_flags = screen.flags;
1923 2066 bool have_bg = 0;
1924 if ((refresh_type & REFRESH_BOUNDS)) 2067#ifdef HAVE_IMG
1925 { 2068 have_bg = bg_img != 0;
1926 clearfirst = clearlast = 1;
1927 refresh_type &= ~REFRESH_BOUNDS;
1928 }
1929
1930#ifdef XPM_BACKGROUND
1931 must_clear |= (bgPixmap.pixmap != None);
1932#endif
1933#ifdef TRANSPARENT
1934 must_clear |= ((Options & Opt_transparent) && am_transparent);
1935#endif 2069#endif
1936 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2070 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1937 2071
1938 /* 2072 /*
1939 * B: reverse any characters which are selected 2073 * B: reverse any characters which are selected
1940 */ 2074 */
1941 scr_reverse_selection (); 2075 scr_reverse_selection ();
1942 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
1943 /* 2084 /*
1944 * C: set the cursor character(s) 2085 * C: set the cursor character (s)
1945 */ 2086 */
1946 { 2087 {
1947 unsigned char setoldcursor;
1948 rend_t ccol1, /* Cursor colour */
1949 ccol2; /* Cursor colour2 */
1950
1951 showcursor = (screen.flags & Screen_VisibleCursor);
1952 cursorwidth = 0;
1953#ifdef CURSOR_BLINK 2088#ifdef CURSOR_BLINK
1954 if (hidden_cursor) 2089 if (hidden_cursor)
1955 showcursor = 0; 2090 showcursor = 0;
1956#endif 2091#endif
1957 2092
1958 cursorwidth = 0;
1959
1960 if (showcursor) 2093 if (showcursor)
1961 { 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)
1962 cursorwidth++; 2103 cursorwidth++;
1963 2104
1964 srp = &(screen.rend[screen.cur.row + TermWin.saveLines] 2105 cur_rend = ROW(screen.cur.row).r[col];
1965 [screen.cur.col]); 2106 cur_col = col;
1966 2107
1967 if (showcursor && TermWin.focus) 2108#ifndef NO_CURSORCOLOR
2109 if (ISSET_PIXCOLOR (Color_cursor))
2110 ccol1 = Color_cursor;
2111 else
2112#endif
2113#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2114 ccol1 = fgcolor_of (rstyle);
2115#else
2116 ccol1 = Color_fg;
2117#endif
2118
2119#ifndef NO_CURSORCOLOR
2120 if (ISSET_PIXCOLOR (Color_cursor2))
2121 ccol2 = Color_cursor2;
2122 else
2123#endif
2124#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2125 ccol2 = bgcolor_of (rstyle);
2126#else
2127 ccol2 = Color_bg;
2128#endif
2129
2130 if (focus && cursor_type == 0)
1968 { 2131 {
2132 rend_t rend = cur_rend;
2133
1969 *srp ^= RS_RVid; 2134 rend ^= RS_RVid;
1970#ifndef NO_CURSORCOLOR
1971 cc1 = *srp & (RS_fgMask | RS_bgMask);
1972 if (ISSET_PIXCOLOR (Color_cursor))
1973 ccol1 = Color_cursor;
1974 else
1975#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1976 ccol1 = GET_FGCOLOR(rstyle);
1977#else
1978 ccol1 = Color_fg;
1979#endif
1980 if (ISSET_PIXCOLOR (Color_cursor2))
1981 ccol2 = Color_cursor2;
1982 else
1983#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1984 ccol2 = GET_BGCOLOR(rstyle);
1985#else
1986 ccol2 = Color_bg;
1987#endif
1988 *srp = SET_FGCOLOR(*srp, ccol1); 2135 rend = SET_FGCOLOR (rend, ccol1);
1989 *srp = SET_BGCOLOR(*srp, ccol2); 2136 rend = SET_BGCOLOR (rend, ccol2);
1990#endif
1991 2137
2138 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1992 } 2139 }
1993 } 2140 }
1994 2141
1995 /* make sure no outline cursor is left around */ 2142 /* make sure no outline cursor is left around */
1996 setoldcursor = 0; 2143 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
1997 if (ocrow != -1) 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)
1998 { 2151 {
1999 if (screen.cur.row + TermWin.view_start != ocrow 2152 oldcursor.row = screen.cur.row - view_start;
2000 || screen.cur.col != oldcursor.col) 2153 oldcursor.col = screen.cur.col;
2001 {
2002 if (ocrow < TermWin.nrow
2003 && oldcursor.col < TermWin.ncol)
2004 {
2005 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2006 }
2007 if (TermWin.focus || !showcursor)
2008 oldcursor.row = -1;
2009 else
2010 setoldcursor = 1;
2011 }
2012 } 2154 }
2013 else if (!TermWin.focus) 2155 else
2014 setoldcursor = 1;
2015 if (setoldcursor)
2016 {
2017 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2018 oldcursor.row = -1; 2156 oldcursor.row = -1;
2019 else
2020 {
2021 oldcursor.row = screen.cur.row + TermWin.view_start;
2022 oldcursor.col = screen.cur.col;
2023 }
2024 }
2025 } 2157 }
2026 2158
2027#ifndef NO_SLOW_LINK_SUPPORT 2159#ifndef NO_SLOW_LINK_SUPPORT
2028 /* 2160 /*
2029 * D: CopyArea pass - very useful for slower links 2161 * D: CopyArea pass - very useful for slower links
2030 * This has been deliberately kept simple. 2162 * This has been deliberately kept simple.
2031 */ 2163 */
2032 i = num_scr; 2164 if (!display->is_local
2033 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2165 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2034 && abs(i) < TermWin.nrow && !must_clear) 2166 && abs (num_scr) < nrow && !have_bg)
2035 { 2167 {
2036 int16_t nits; 2168 int16_t nits;
2037 int j; 2169 int i = num_scr;
2038 rend_t *drp2; 2170 int j;
2039 text_t *dtp2;
2040 int len, wlen; 2171 int len, wlen;
2041 2172
2042 j = TermWin.nrow; 2173 j = nrow;
2043 wlen = len = -1; 2174 wlen = len = -1;
2044 row = i > 0 ? 0 : j - 1; 2175 row = i > 0 ? 0 : j - 1;
2176
2045 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2177 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2046 { 2178 {
2047 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2179 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2048 { 2180 {
2049 stp = screen.text[row + row_offset]; 2181 line_t s = ROW(view_start + row);
2050 srp = screen.rend[row + row_offset];
2051 dtp = drawn_text[row]; 2182 line_t d = drawn_buf[row];
2052 dtp2 = drawn_text[row + i]; 2183 line_t d2 = drawn_buf[row + i];
2053 drp = drawn_rend[row];
2054 drp2 = drawn_rend[row + i];
2055 2184
2056 for (nits = 0, col = TermWin.ncol; col--; ) 2185 for (nits = 0, col = ncol; col--; )
2057 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2186 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2058 nits--; 2187 nits--;
2059 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])
2060 nits++; 2189 nits++;
2061 2190
2062 if (nits > 8) /* XXX: arbitrary choice */ 2191 if (nits > 8) /* XXX: arbitrary choice */
2063 { 2192 {
2064 for (col = TermWin.ncol; col--; ) 2193 for (col = ncol; col--; )
2065 { 2194 {
2066 *dtp++ = *dtp2++; 2195 *d.t++ = *d2.t++;
2067 *drp++ = *drp2++; 2196 *d.r++ = *d2.r++;
2068 } 2197 }
2069 2198
2070 if (len == -1) 2199 if (len == -1)
2071 len = row; 2200 len = row;
2072 2201
2073 wlen = row; 2202 wlen = row;
2074 continue; 2203 continue;
2075 } 2204 }
2076 } 2205 }
2077 2206
2078 if (len != -1) 2207 if (len >= 0)
2079 { 2208 {
2080 /* also comes here at end if needed because of >= above */ 2209 /* also comes here at end if needed because of >= above */
2081 if (wlen < len) 2210 if (wlen < len)
2082 SWAP_IT(wlen, len, int); 2211 ::swap (wlen, len);
2083 2212
2084 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2213 XGCValues gcv;
2085 XCopyArea (display->display, TermWin.vt, TermWin.vt, 2214
2215 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2216 XCopyArea (dpy, vt, vt,
2086 TermWin.gc, 0, Row2Pixel (len + i), 2217 gc, 0, Row2Pixel (len + i),
2087 (unsigned int)TermWin_TotalWidth (), 2218 (unsigned int)this->width,
2088 (unsigned int)Height2Pixel (wlen - len + 1), 2219 (unsigned int)Height2Pixel (wlen - len + 1),
2089 0, Row2Pixel (len)); 2220 0, Row2Pixel (len));
2221 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2222
2090 len = -1; 2223 len = -1;
2091 } 2224 }
2092 } 2225 }
2093 } 2226 }
2094#endif 2227#endif
2095 2228
2096 /* 2229 /*
2097 * E: main pass across every character 2230 * E: main pass across every character
2098 */ 2231 */
2099 for (row = 0; row < TermWin.nrow; row++) 2232 for (row = 0; row < nrow; row++)
2100 { 2233 {
2101 stp = screen.text[row + row_offset]; 2234 text_t *stp = ROW(view_start + row).t;
2102 srp = screen.rend[row + row_offset]; 2235 rend_t *srp = ROW(view_start + row).r;
2103 dtp = drawn_text[row]; 2236 text_t *dtp = drawn_buf[row].t;
2104 drp = drawn_rend[row]; 2237 rend_t *drp = drawn_buf[row].r;
2105 2238
2106 /* 2239 /*
2107 * E2: OK, now the real pass 2240 * E2: OK, now the real pass
2108 */ 2241 */
2109 int ypixel = (int)Row2Pixel(row); 2242 int ypixel = (int)Row2Pixel (row);
2110 2243
2111 for (col = 0; col < TermWin.ncol; col++) 2244 for (col = 0; col < ncol; col++)
2112 { 2245 {
2113 /* compare new text with old - if exactly the same then continue */ 2246 /* compare new text with old - if exactly the same then continue */
2114 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2247 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2115
2116 if (stp[col] == dtp[col] /* Must match characters to skip. */
2117 && (rend == drp[col] /* Either rendition the same or */
2118 || (stp[col] == ' ' /* space w/ no background change */
2119 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2120 continue; 2248 continue;
2121 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) */
2122 text_t *text = stp + col; 2257 text_t *text = stp + col;
2123 int count = 1; 2258 int count = 1;
2124 2259
2125 /* redraw one or more characters */
2126
2127 dtp[col] = stp[col]; 2260 dtp[col] = stp[col];
2128 drp[col] = rend; 2261 drp[col] = rend;
2129 2262
2130 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2131 continue;
2132
2133 int xpixel = Col2Pixel(col); 2263 int xpixel = Col2Pixel (col);
2134 2264
2135 // this loop looks very messy, it can probably be optimized
2136 // and cleaned a bit by you?
2137 for (i = 0; ++col < TermWin.ncol; ) 2265 for (i = 0; ++col < ncol; )
2138 { 2266 {
2139 if (stp[col] == NOCHAR) 2267 if (stp[col] == NOCHAR)
2140 { 2268 {
2141 dtp[col] = stp[col]; 2269 dtp[col] = stp[col];
2142 drp[col] = rend; 2270 drp[col] = srp[col];
2271
2143 count++; 2272 count++;
2144
2145 if (i) // only possible skip if char unchanged
2146 i++; 2273 i++;
2147 2274
2148 continue; 2275 continue;
2149 } 2276 }
2150 2277
2151 if (rend != srp[col]) 2278 if (!RS_SAME (rend, srp[col]))
2152 break; 2279 break;
2153 2280
2154 count++; 2281 count++;
2155 2282
2156 if (stp[col] != dtp[col] 2283 if (stp[col] != dtp[col]
2157 || srp[col] != drp[col]) 2284 || !RS_SAME (srp[col], drp[col]))
2158 { 2285 {
2159 if (must_clear && (i++ > (count / 2))) 2286 if (have_bg && (i++ > count / 2))
2160 break; 2287 break;
2161 2288
2162 dtp[col] = stp[col]; 2289 dtp[col] = stp[col];
2163 drp[col] = rend; 2290 drp[col] = rend;
2164 i = 0; 2291 i = 0;
2165 } 2292 }
2166 else if (must_clear || (stp[col] != ' ' && ++i >= 32)) 2293 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2167 break; 2294 break;
2168 } 2295 }
2169 2296
2170 col--; /* went one too far. move back */ 2297 col--; /* went one too far. move back */
2171 count -= i; /* dump any matching trailing chars */ 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--;
2172 2303
2173 /* 2304 /*
2174 * Determine the attributes for the string 2305 * Determine the attributes for the string
2175 */ 2306 */
2176 int fid = GET_FONT (rend);
2177 int fore = GET_FGCOLOR (rend); // desired foreground 2307 int fore = fgcolor_of (rend); // desired foreground
2178 int back = GET_BGCOLOR (rend); // desired background 2308 int back = bgcolor_of (rend); // desired background
2179 2309
2180 rend = GET_ATTR (rend); 2310 // only do special processing if any attributes are set, which is unlikely
2181 2311 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2182 rvid = !!(rend & RS_RVid);
2183 if (rvid)
2184 { 2312 {
2185 SWAP_IT(fore, back, int); 2313 bool invert = rend & RS_RVid;
2186 2314
2187#ifndef NO_BOLD_UNDERLINE_REVERSE 2315#ifndef NO_BOLD_UNDERLINE_REVERSE
2316 if (rend & RS_Bold && fore == Color_fg)
2317 {
2188 if (ISSET_PIXCOLOR (Color_RV) 2318 if (ISSET_PIXCOLOR (Color_BD))
2189# ifndef NO_CURSORCOLOR 2319 fore = Color_BD;
2190 && !ISSET_PIXCOLOR (Color_cursor) 2320# if !ENABLE_STYLES
2321 else
2322 invert = !invert;
2191# endif 2323# endif
2192 ) 2324 }
2325
2326 if (rend & RS_Italic && fore == Color_fg)
2327 {
2328 if (ISSET_PIXCOLOR (Color_IT))
2193 back = Color_RV; 2329 fore = Color_IT;
2330# if !ENABLE_STYLES
2331 else
2332 invert = !invert;
2194#endif 2333# endif
2334 }
2195 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
2196 } 2403 }
2197#ifdef TEXT_BLINK
2198 if (rend & RS_Blink)
2199 {
2200 if (!text_blink_ev.active)
2201 {
2202 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2203 hidden_text = 0;
2204 }
2205 else if (hidden_text)
2206 fore = back;
2207 }
2208#endif
2209#ifndef NO_BOLD_UNDERLINE_REVERSE
2210 else if (rend & RS_Bold)
2211 {
2212 if (ISSET_PIXCOLOR (Color_BD))
2213 fore = Color_BD;
2214 else if (fore == Color_fg)
2215 fore = Color_White;
2216 }
2217 else if (rend & RS_Uline)
2218 {
2219 if (ISSET_PIXCOLOR (Color_UL))
2220 fore = Color_UL;
2221 }
2222#endif
2223 2404
2224 /* 2405 /*
2225 * Actually do the drawing of the string here 2406 * Actually do the drawing of the string here
2226 */ 2407 */
2227 rxvt_font *font = (*TermWin.fontset)[fid]; 2408 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2228 2409
2229 if (back == fore) 2410 if (ecb_likely (have_bg && back == Color_bg))
2230 font->clear_rect (xpixel, ypixel,
2231 TermWin.fwidth * count, TermWin.fheight,
2232 back);
2233 else if (back == Color_bg)
2234 { 2411 {
2235 if (must_clear) 2412 // this is very ugly, maybe push it into ->draw?
2236 {
2237 CLEAR_CHARS (xpixel, ypixel, count);
2238 2413
2239 for (i = 0; i < count; i++) /* don't draw empty strings */ 2414 for (i = 0; i < count; i++) /* don't draw empty strings */
2240 if (text[i] != ' ') 2415 if (text[i] != ' ')
2241 { 2416 {
2242 font->draw (xpixel, ypixel, text, count, fore, -1); 2417 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2243 break; 2418 goto did_clear;
2244 }
2245 } 2419 }
2246 else 2420
2247 font->draw (xpixel, ypixel, text, count, fore, Color_bg); 2421 CLEAR_CHARS (xpixel, ypixel, count);
2422 did_clear: ;
2248 } 2423 }
2249 else 2424 else
2250 font->draw (xpixel, ypixel, text, count, fore, back); 2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2251 2426
2252 if ((rend & RS_Uline) && (font->descent > 1)) 2427 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2253 XDrawLine(display->display, drawBuffer, TermWin.gc, 2428 {
2429 if (showcursor && focus && row == screen.cur.row
2430 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
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]);
2439
2440 XDrawLine (dpy, vt, gc,
2254 xpixel, ypixel + font->ascent + 1, 2441 xpixel, ypixel + font->ascent + 1,
2255 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1); 2442 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2443 }
2256 } /* for (col....) */ 2444 } /* for (col....) */
2257 } /* for (row....) */ 2445 } /* for (row....) */
2258 2446
2259 /* 2447 /*
2260 * G: cleanup cursor and display outline cursor if necessary 2448 * G: cleanup cursor and display outline cursor if necessary
2261 */ 2449 */
2262 if (showcursor) 2450 if (showcursor)
2263 { 2451 {
2264 if (TermWin.focus) 2452 if (focus)
2453 {
2454 if (cursor_type == 0)
2455 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2456 else if (oldcursor.row >= 0)
2265 { 2457 {
2266 srp = &(screen.rend[screen.cur.row + TermWin.saveLines] 2458 XSetForeground (dpy, gc, pix_colors[ccol1]);
2267 [screen.cur.col]); 2459 if (cursor_type == 1)
2268 *srp ^= RS_RVid; 2460 XFillRectangle (dpy, vt, gc,
2269#ifndef NO_CURSORCOLOR 2461 Col2Pixel (cur_col),
2270 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1; 2462 Row2Pixel (oldcursor.row + 1) - 2,
2271#endif 2463 Width2Pixel (1),
2272 2464 2);
2465 else
2466 XFillRectangle (dpy, vt, gc,
2467 Col2Pixel (cur_col),
2468 Row2Pixel (oldcursor.row),
2469 2,
2470 Height2Pixel (1));
2471 }
2273 } 2472 }
2274 else if (oldcursor.row >= 0) 2473 else if (oldcursor.row >= 0)
2275 { 2474 {
2276#ifndef NO_CURSORCOLOR 2475 XSetForeground (dpy, gc, pix_colors[ccol1]);
2277 if (ISSET_PIXCOLOR (Color_cursor)) 2476
2278 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]); 2477 XDrawRectangle (dpy, vt, gc,
2279#endif
2280 XDrawRectangle(display->display, drawBuffer, TermWin.gc,
2281 Col2Pixel(oldcursor.col), 2478 Col2Pixel (cur_col),
2282 Row2Pixel(oldcursor.row), 2479 Row2Pixel (oldcursor.row),
2283 (unsigned int)(Width2Pixel(cursorwidth) - 1), 2480 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2284 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1)); 2481 (unsigned int) (Height2Pixel (1) - 1));
2285 } 2482 }
2286 } 2483 }
2287 2484
2288 /* 2485 /*
2289 * H: cleanup selection 2486 * H: cleanup selection
2290 */ 2487 */
2488#if ENABLE_OVERLAY
2489 scr_swap_overlay ();
2490#endif
2491 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2492
2291 scr_reverse_selection (); 2493 scr_reverse_selection ();
2292 2494
2293 /* 2495 screen.flags = old_screen_flags;
2294 * I: other general cleanup
2295 */
2296 if (clearfirst && TermWin.int_bwidth)
2297 /*
2298 * clear the whole screen height, note that width == 0 is treated
2299 * specially by XClearArea
2300 */
2301 XClearArea(display->display, TermWin.vt, 0, 0,
2302 (unsigned int)TermWin.int_bwidth,
2303 (unsigned int)TermWin_TotalHeight(), False);
2304 if (clearlast && TermWin.int_bwidth)
2305 /*
2306 * clear the whole screen height, note that width == 0 is treated
2307 * specially by XClearArea
2308 */
2309 XClearArea(display->display, TermWin.vt,
2310 TermWin.width + TermWin.int_bwidth, 0,
2311 (unsigned int)TermWin.int_bwidth,
2312 (unsigned int)TermWin_TotalHeight(), False);
2313 if (refresh_type & SMOOTH_REFRESH)
2314 XSync(display->display, False);
2315
2316 num_scr = 0; 2496 num_scr = 0;
2317 num_scr_allow = 1; 2497 num_scr_allow = 1;
2318 want_refresh = 0; /* screen is current */
2319} 2498}
2320 2499
2321/* ------------------------------------------------------------------------- */ 2500void ecb_cold
2322void 2501rxvt_term::scr_remap_chars (line_t &l) noexcept
2323rxvt_term::scr_clear()
2324{ 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
2542# endif
2543 {
2544 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2545 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2546 }
2547 }
2548 else
2549#endif
2550 {
2551 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2552 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2553 }
2554
2555 XClearWindow (dpy, parent);
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
2575/* ------------------------------------------------------------------------- */
2576void
2577rxvt_term::scr_clear (bool really) noexcept
2578{
2325 if (!TermWin.mapped) 2579 if (!mapped)
2326 return; 2580 return;
2327 2581
2328 num_scr_allow = 0; 2582 num_scr_allow = 0;
2329 want_refresh = 1; 2583 want_refresh = 1;
2330#ifdef TRANSPARENT 2584
2331 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;
2332 { 2608 }
2333 int i; 2609}
2334 2610
2335 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 {
2336 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);
2337 else 2650 else
2338 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2339
2340 while (i--)
2341 if (TermWin.parent[i] != None)
2342 XClearWindow(display->display, TermWin.parent[i]);
2343 }
2344#endif 2651#endif
2345 2652 scr_xor_span (selection.beg.row, selection.beg.col,
2346 XClearWindow (display->display, TermWin.vt); 2653 selection.end.row, selection.end.col,
2347} 2654 RS_Sel | RS_RVid);
2348
2349/* ------------------------------------------------------------------------- */
2350void
2351rxvt_term::scr_reverse_selection ()
2352{
2353 int i, col, row, end_row;
2354 rend_t *srp;
2355
2356 if (selection.op && current_screen == selection.screen)
2357 {
2358 end_row = TermWin.saveLines - TermWin.view_start;
2359 i = selection.beg.row + TermWin.saveLines;
2360 row = selection.end.row + TermWin.saveLines;
2361 if (i >= end_row)
2362 col = selection.beg.col;
2363 else
2364 {
2365 col = 0;
2366 i = end_row;
2367 }
2368 end_row += TermWin.nrow;
2369 for (; i < row && i < end_row; i++, col = 0)
2370 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2371 srp[col] ^= RS_RVid;
2372 if (i == row && i < end_row)
2373 for (srp = screen.rend[i]; col < selection.end.col; col++)
2374 srp[col] ^= RS_RVid;
2375 } 2655 }
2376} 2656}
2377 2657
2378/* ------------------------------------------------------------------------- */ 2658/* ------------------------------------------------------------------------- */
2379/* 2659/*
2380 * Dump the whole scrollback and screen to the passed filedescriptor. The 2660 * Dump the whole scrollback and screen to the passed filedescriptor. The
2381 * invoking routine must close the fd. 2661 * invoking routine must close the fd.
2382 */ 2662 */
2383#if 0 2663#if 0
2384void 2664void
2385rxvt_term::scr_dump (int fd) 2665rxvt_term::scr_dump (int fd) noexcept
2386{ 2666{
2387 int row, wrote; 2667 // if this method is needed, it can be implemented by factoring the
2388 unsigned int width, towrite; 2668 // relevant code in scr_printscreen
2389 char r1[] = "\n";
2390
2391 for (row = TermWin.saveLines - TermWin.nscrolled;
2392 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2393 {
2394 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2395 : TermWin.ncol;
2396 for (towrite = width; towrite; towrite -= wrote)
2397 {
2398 wrote = write(fd, &(screen.text[row][width - towrite]),
2399 towrite);
2400 if (wrote < 0)
2401 return; /* XXX: death, no report */
2402 }
2403 if (screen.tlen[row] >= 0)
2404 if (write(fd, r1, 1) <= 0)
2405 return; /* XXX: death, no report */
2406 }
2407} 2669}
2408#endif 2670#endif
2409 2671
2410/* ------------------------------------------------------------------------- * 2672/* ------------------------------------------------------------------------- *
2411 * CHARACTER SELECTION * 2673 * CHARACTER SELECTION *
2412 * ------------------------------------------------------------------------- */ 2674 * ------------------------------------------------------------------------- */
2413
2414/*
2415 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2416 */
2417void 2675void
2418rxvt_term::selection_check (int check_more) 2676rxvt_term::selection_check (int check_more) noexcept
2419{ 2677{
2420 row_col_t pos;
2421
2422 if (!selection.op) 2678 if (!selection.op)
2423 return; 2679 return;
2424 2680
2425 pos.row = pos.col = 0; 2681 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2426 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2682 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2427 || (selection.beg.row >= TermWin.nrow) 2683 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2428 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2429 || (selection.mark.row >= TermWin.nrow)
2430 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2431 || (selection.end.row >= TermWin.nrow)
2432 || (check_more == 1 2684 || (check_more == 1
2433 && current_screen == selection.screen 2685 && current_screen == selection.screen
2434 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2686 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2435 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2687 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2436 || (check_more == 2
2437 && ROWCOL_IS_BEFORE(selection.beg, pos)
2438 && ROWCOL_IS_AFTER(selection.end, pos))
2439 || (check_more == 3
2440 && ROWCOL_IS_AFTER(selection.end, pos))
2441 || (check_more == 4 /* screen width change */
2442 && (selection.beg.row != selection.end.row
2443 || selection.end.col > TermWin.ncol)))
2444 CLEAR_SELECTION(); 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;
2445} 2703}
2446 2704
2447/* ------------------------------------------------------------------------- */ 2705/* ------------------------------------------------------------------------- */
2448/* 2706/*
2449 * Paste a selection direct to the command fd 2707 * Paste a selection direct to the command fd
2450 */ 2708 */
2451void 2709void
2452rxvt_term::paste (const unsigned char *data, unsigned int len) 2710rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2453{ 2711{
2454 unsigned int i, j, n;
2455 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2456
2457#if 0
2458 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2459 ZERO_SCROLLBACK (r);
2460#endif
2461
2462 /* convert normal newline chars into common keyboard Return key sequence */ 2712 /* convert normal newline chars into common keyboard Return key sequence */
2463 for (i = 0; i < len; i += PROP_SIZE) 2713 for (unsigned int i = 0; i < len; i++)
2464 { 2714 if (data[i] == C0_LF)
2465 n = min (len - i, PROP_SIZE); 2715 data[i] = C0_CR;
2466 MEMCPY (ds, data + i, n);
2467 2716
2468 for (j = 0; j < n; j++) 2717 #if ENABLE_FRILLS
2469 if (ds[j] == '\n') 2718 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2470 ds[j] = '\r'; 2719 tt_printf ("\x1b[200~");
2720 #endif
2471 2721
2472 tt_write (ds, (int)n); 2722 tt_write (data, len);
2473 }
2474 2723
2475 free(ds); 2724 #if ENABLE_FRILLS
2725 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2726 tt_printf ("\x1b[201~");
2727 #endif
2476} 2728}
2477 2729
2478/* ------------------------------------------------------------------------- */
2479/*
2480 * Respond to a notification that a primary selection has been sent
2481 * EXT: SelectionNotify
2482 */
2483int
2484rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2485{
2486 long nread = 0;
2487 unsigned long bytes_after;
2488 XTextProperty ct;
2489
2490 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2491
2492 if (prop == None) /* check for failed XConvertSelection */
2493 {
2494 if ((selection_type & Sel_CompoundText))
2495 {
2496 int selnum = selection_type & Sel_whereMask;
2497
2498 selection_type = 0;
2499 if (selnum != Sel_direct)
2500 selection_request_other (XA_STRING, selnum);
2501 }
2502
2503 if ((selection_type & Sel_UTF8String))
2504 {
2505 int selnum = selection_type & Sel_whereMask;
2506
2507 selection_type = Sel_CompoundText;
2508 if (selnum != Sel_direct)
2509 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2510 else
2511 selection_type = 0;
2512 }
2513
2514 return 0;
2515 }
2516
2517 for (;;)
2518 {
2519 if (XGetWindowProperty(display->display, win, prop, (long)(nread / 4),
2520 (long)(PROP_SIZE / 4), delete_prop,
2521 AnyPropertyType, &ct.encoding, &ct.format,
2522 &ct.nitems, &bytes_after,
2523 &ct.value) != Success)
2524 break;
2525
2526 if (ct.encoding == 0)
2527 {
2528 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2529 break;
2530 }
2531
2532 if (ct.value == NULL)
2533 {
2534 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2535 continue;
2536 }
2537
2538 if (ct.nitems == 0)
2539 {
2540 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2541 if (selection_wait == Sel_normal && nread == 0)
2542 {
2543 /*
2544 * pass through again trying CUT_BUFFER0 if we've come from
2545 * XConvertSelection() but nothing was presented
2546 */
2547 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2548 selection_paste (display->root, XA_CUT_BUFFER0, False);
2549 }
2550
2551 nread = -1; /* discount any previous stuff */
2552 break;
2553 }
2554
2555 nread += ct.nitems;
2556
2557 char **cl;
2558 int cr;
2559 if (XmbTextPropertyToTextList (display->display, &ct, &cl,
2560 &cr) >= 0 && cl)
2561 {
2562 for (int i = 0; i < cr; i++)
2563 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2564
2565 XFreeStringList (cl);
2566 }
2567 else
2568 paste (ct.value, ct.nitems);
2569
2570 if (bytes_after == 0)
2571 break;
2572
2573 XFree (ct.value);
2574 }
2575
2576 if (ct.value)
2577 XFree (ct.value);
2578
2579 if (selection_wait == Sel_normal)
2580 selection_wait = Sel_none;
2581
2582 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2583 return (int)nread;
2584}
2585
2586void 2730void
2587rxvt_term::incr_cb (time_watcher &w) 2731rxvt_term::paste (char *data, unsigned int len) noexcept
2588{ 2732{
2589 selection_wait = Sel_none; 2733 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2590
2591 rxvt_print_error ("data loss: timeout on INCR selection paste");
2592}
2593
2594/*
2595 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2596 */
2597void
2598rxvt_term::selection_property (Window win, Atom prop)
2599{
2600 int reget_time = 0;
2601
2602 if (prop == None)
2603 return; 2734 return;
2604 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2605 if (selection_wait == Sel_normal)
2606 {
2607 int a, afmt;
2608 Atom atype;
2609 unsigned long bytes_after, nitems;
2610 unsigned char *s = NULL;
2611 2735
2612 a = XGetWindowProperty(display->display, win, prop, 0L, 1L, False, 2736 tt_paste (data, len);
2613 xa[XA_INCR], &atype, &afmt, &nitems,
2614 &bytes_after, &s);
2615 if (s)
2616 XFree(s);
2617 if (a != Success)
2618 return;
2619#ifndef __CYGWIN32__
2620 if (atype == xa[XA_INCR])
2621 { /* start an INCR transfer */
2622 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2623 XDeleteProperty(display->display, win, prop);
2624 XFlush(display->display);
2625 reget_time = 1;
2626 selection_wait = Sel_incr;
2627 }
2628#endif
2629
2630 }
2631 else if (selection_wait == Sel_incr)
2632 {
2633 reget_time = 1;
2634 if (selection_paste (win, prop, True) == -1)
2635 {
2636 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2637 selection_wait = Sel_none;
2638 incr_ev.stop ();
2639 }
2640 }
2641 if (reget_time) /* received more data so reget time */
2642 incr_ev.start (NOW + 10);
2643} 2737}
2738
2644/* ------------------------------------------------------------------------- */ 2739/* ------------------------------------------------------------------------- */
2645/* 2740/*
2646 * Request the current selection: 2741 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2647 * Order: > internal selection if available 2742 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2648 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2743 * as fallback
2649 * > CUT_BUFFER0
2650 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2651 * will auto fallback to CUT_BUFFER0
2652 * EXT: button 2 release 2744 * EXT: button 2 release
2653 */ 2745 */
2654void 2746void
2655rxvt_term::selection_request (Time tm, int x, int y) 2747rxvt_term::selection_request (Time tm, int selnum) noexcept
2656{ 2748{
2657 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2749 if (!selection_req)
2658 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2659 return; /* outside window */
2660
2661 if (selection.text != NULL)
2662 { /* internal selection */
2663 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2664 paste (selection.text, selection.len);
2665 return;
2666 } 2750 {
2667 else 2751 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2752 selection_req->run ();
2668 { 2753 }
2669 int i;
2670
2671 selection_request_time = tm;
2672 selection_wait = Sel_normal;
2673 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2674 {
2675#if X_HAVE_UTF8_STRING
2676 selection_type = Sel_UTF8String;
2677 if (selection_request_other (xa[XA_UTF8_STRING], i))
2678 return;
2679#else
2680 selection_type = Sel_CompoundText;
2681 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2682 return;
2683#endif
2684
2685 }
2686 }
2687 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */
2688 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2689 selection_paste (display->root, XA_CUT_BUFFER0, False);
2690}
2691
2692int
2693rxvt_term::selection_request_other (Atom target, int selnum)
2694{
2695 Atom sel;
2696#ifdef DEBUG_SELECT
2697 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2698#endif
2699
2700 selection_type |= selnum;
2701 if (selnum == Sel_Primary)
2702 sel = XA_PRIMARY;
2703 else if (selnum == Sel_Secondary)
2704 sel = XA_SECONDARY;
2705 else
2706 sel = xa[XA_CLIPBOARD];
2707 if (XGetSelectionOwner(display->display, sel) != None)
2708 {
2709 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2710 XConvertSelection(display->display, sel, target, xa[XA_VT_SELECTION],
2711 TermWin.vt, selection_request_time);
2712 return 1;
2713 }
2714 return 0;
2715} 2754}
2716 2755
2717/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2718/* 2757/*
2719 * Clear all selected text 2758 * Clear all selected text
2720 * EXT: SelectionClear 2759 * EXT: SelectionClear
2721 */ 2760 */
2722void 2761void
2723rxvt_term::selection_clear () 2762rxvt_term::selection_clear (bool clipboard) noexcept
2724{ 2763{
2725 D_SELECT((stderr, "rxvt_selection_clear()")); 2764 if (!clipboard)
2726 2765 {
2727 want_refresh = 1; 2766 want_refresh = 1;
2728 if (selection.text)
2729 free(selection.text); 2767 free (selection.text);
2730 selection.text = NULL; 2768 selection.text = NULL;
2731 selection.len = 0; 2769 selection.len = 0;
2732 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 }
2733} 2784}
2734 2785
2735/* ------------------------------------------------------------------------- */ 2786/* ------------------------------------------------------------------------- */
2736/* 2787/*
2737 * Copy a selection into the cut buffer 2788 * Copy a selection into the cut buffer
2738 * EXT: button 1 or 3 release 2789 * EXT: button 1 or 3 release
2739 */ 2790 */
2740void 2791void
2741rxvt_term::selection_make (Time tm) 2792rxvt_term::selection_make (Time tm)
2742{ 2793{
2743 int i, col, end_col, row, end_row; 2794 int size;
2744 unsigned char *new_selection_text; 2795 wchar_t *new_selection_text;
2745 char *str;
2746 text_t *t; 2796 text_t *t;
2747#ifdef ACS_ASCII
2748 rend_t *re;
2749#endif
2750 2797
2751 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2752 switch (selection.op) 2798 switch (selection.op)
2753 { 2799 {
2754 case SELECTION_CONT: 2800 case SELECTION_CONT:
2755 break; 2801 break;
2756 case SELECTION_INIT: 2802 case SELECTION_INIT:
2757 CLEAR_SELECTION(); 2803 CLEAR_SELECTION ();
2758 /* FALLTHROUGH */ 2804 /* FALLTHROUGH */
2759 case SELECTION_BEGIN: 2805 case SELECTION_BEGIN:
2760 selection.op = SELECTION_DONE; 2806 selection.op = SELECTION_DONE;
2761 /* FALLTHROUGH */ 2807 /* FALLTHROUGH */
2762 default: 2808 default:
2763 return; 2809 return;
2764 } 2810 }
2811
2765 selection.op = SELECTION_DONE; 2812 selection.op = SELECTION_DONE;
2766 2813
2767 if (selection.clicks == 4) 2814 if (selection.clicks == 4)
2768 return; /* nothing selected, go away */ 2815 return; /* nothing selected, go away */
2769 2816
2817 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2818 return;
2819
2770 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2820 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2771 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2821 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2772 2822
2773 new_selection_text = (unsigned char *)str; 2823 int ofs = 0;
2824 int extra = 0;
2774 2825
2775 col = selection.beg.col; 2826 int col = selection.beg.col;
2776 MAX_IT(col, 0); 2827 int row = selection.beg.row;
2777 row = selection.beg.row + TermWin.saveLines;
2778 end_row = selection.end.row + TermWin.saveLines;
2779 2828
2829 int end_col;
2830
2780 for (; row <= end_row; row++, col = 0) 2831 for (; row <= selection.end.row; row++, col = 0)
2781 { 2832 {
2782 t = &(screen.text[row][col]); 2833#if !ENABLE_MINIMAL
2783 2834 if (selection.rect)
2784 end_col = screen.tlen[row]; 2835 {
2785 2836 col = selection.beg.col;
2786 if (end_col == -1)
2787 end_col = TermWin.ncol; 2837 end_col = selection.end.col;
2838 }
2839 else
2840#endif
2841 end_col = ROW(row).l;
2788 2842
2843 col = max (col, 0);
2844
2789 if (row == end_row) 2845 if (row == selection.end.row)
2790 MIN_IT (end_col, selection.end.col); 2846 min_it (end_col, selection.end.col);
2847
2848 t = ROW(row).t + col;
2791 2849
2792 for (; col < end_col; col++) 2850 for (; col < end_col; col++)
2851 {
2793 if (*t == NOCHAR) 2852 if (*t == NOCHAR)
2794 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
2795 else 2871 else
2796 { 2872 new_selection_text[ofs++] = *t++;
2797 int len = wctomb (str, *t++);
2798 if (len > 0)
2799 str += len;
2800 } 2873 }
2801 2874
2802 if (screen.tlen[row] != -1 && row != end_row) 2875#if !ENABLE_MINIMAL
2803 *str++ = '\n'; 2876 if (selection.rect)
2804 } 2877 {
2878 while (ofs
2879 && new_selection_text[ofs - 1] != C0_LF
2880 && unicode::is_space (new_selection_text[ofs - 1]))
2881 --ofs;
2805 2882
2806#ifndef NO_OLD_SELECTION 2883 new_selection_text[ofs++] = C0_LF;
2807 if (selection_style == OLD_SELECT) 2884 }
2808 if (end_col == TermWin.ncol) 2885 else
2809 *str++ = '\n';
2810#endif 2886#endif
2811#ifndef NO_NEW_SELECTION 2887 if (!ROW(row).is_longer ()
2812 if (selection_style != OLD_SELECT) 2888 && (row != selection.end.row || end_col != selection.end.col)
2813 if (end_col != selection.end.col) 2889 && (row != selection.beg.row || selection.beg.col < ncol))
2814 *str++ = '\n'; 2890 new_selection_text[ofs++] = C0_LF;
2815#endif 2891 }
2816 *str = '\0';
2817 2892
2818 i = str - (char *)new_selection_text; 2893 new_selection_text[ofs] = 0;
2894
2819 if (i == 0) 2895 if (ofs == 0)
2820 { 2896 {
2821 free (new_selection_text); 2897 free (new_selection_text);
2822 return; 2898 return;
2823 } 2899 }
2824 2900
2825 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2826 if (str - (char *)new_selection_text > 1024)
2827 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2828
2829 selection.len = i;
2830
2831 if (selection.text)
2832 free (selection.text); 2901 free (selection.text);
2833 2902
2834 selection.text = new_selection_text; 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));
2835 2906
2836 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm); 2907 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2837 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt) 2908 return;
2838 display->set_selection_owner (this); 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 {
2920 selection_time = tm;
2921 sel = XA_PRIMARY;
2922 }
2839 else 2923 else
2840 rxvt_print_error("can't get primary selection");
2841
2842 { 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
2843 XTextProperty ct; 2942 XTextProperty ct;
2844 char *cl = (char *)selection.text;
2845 2943
2846 if (XmbTextListToTextProperty(display->display, &cl, 1, XStringStyle, &ct) >= 0) 2944 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2847 { 2945 {
2848 XChangeProperty(display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8, 2946 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2849 PropModeReplace, ct.value, ct.nitems);
2850 XFree (ct.value); 2947 XFree (ct.value);
2851 } 2948 }
2852 else 2949#endif
2853 XChangeProperty(display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8,
2854 PropModeReplace, selection.text, (int)selection.len);
2855 }
2856
2857 selection_time = tm;
2858 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len));
2859} 2950}
2860 2951
2861/* ------------------------------------------------------------------------- */ 2952/* ------------------------------------------------------------------------- */
2862/* 2953/*
2863 * 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
2864 * EXT: button 1 press 2955 * EXT: button 1 press
2865 */ 2956 */
2866void 2957void ecb_cold
2867rxvt_term::selection_click (int clicks, int x, int y) 2958rxvt_term::selection_click (int clicks, int x, int y) noexcept
2868{ 2959{
2869 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2870
2871 clicks = ((clicks - 1) % 3) + 1; 2960 clicks = ((clicks - 1) % 3) + 1;
2872 selection.clicks = clicks; /* save clicks so extend will work */ 2961 selection.clicks = clicks; /* save clicks so extend will work */
2873 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
2874 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2972 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2875 2973
2876 if (clicks == 2 || clicks == 3) 2974 if (clicks == 2 || clicks == 3)
2877 selection_extend_colrow (selection.mark.col, 2975 selection_extend_colrow (selection.mark.col,
2878 selection.mark.row + TermWin.view_start, 2976 selection.mark.row - view_start,
2879 0, /* button 3 */ 2977 0, /* button 3 */
2880 1, /* button press */ 2978 1, /* button press */
2881 0); /* click change */ 2979 0); /* click change */
2882} 2980}
2883 2981
2884/* ------------------------------------------------------------------------- */ 2982/* ------------------------------------------------------------------------- */
2885/* 2983/*
2886 * Mark a selection at the specified col/row 2984 * Mark a selection at the specified col/row
2887 */ 2985 */
2888void 2986void ecb_cold
2889rxvt_term::selection_start_colrow (int col, int row) 2987rxvt_term::selection_start_colrow (int col, int row) noexcept
2890{ 2988{
2891 want_refresh = 1; 2989 want_refresh = 1;
2990
2991 selection.mark.row = row + view_start;
2892 selection.mark.col = col; 2992 selection.mark.col = col;
2893 selection.mark.row = row - TermWin.view_start; 2993
2894 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2994 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2895 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2995 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2896 MAX_IT(selection.mark.col, 0); 2996
2897 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1); 2997 while (selection.mark.col > 0
2998 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2999 --selection.mark.col;
2898 3000
2899 if (selection.op) 3001 if (selection.op)
3002 {
2900 { /* clear the old selection */ 3003 /* clear the old selection */
2901 selection.beg.row = selection.end.row = selection.mark.row; 3004 selection.beg.row = selection.end.row = selection.mark.row;
2902 selection.beg.col = selection.end.col = selection.mark.col; 3005 selection.beg.col = selection.end.col = selection.mark.col;
2903 } 3006 }
3007
2904 selection.op = SELECTION_INIT; 3008 selection.op = SELECTION_INIT;
2905 selection.screen = current_screen; 3009 selection.screen = current_screen;
2906} 3010}
2907 3011
2908/* ------------------------------------------------------------------------- */ 3012/* ------------------------------------------------------------------------- */
… …
2910 * Word select: select text for 2 clicks 3014 * Word select: select text for 2 clicks
2911 * We now only find out the boundary in one direction 3015 * We now only find out the boundary in one direction
2912 */ 3016 */
2913 3017
2914/* 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 */
2915#define DELIMIT_TEXT(x) \ 3019#define DELIMIT_TEXT(x) \
2916 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3020 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2917#define DELIMIT_REND(x) 1 3021#define DELIMIT_REND(x) 1
2918 3022
2919void 3023void ecb_cold
2920rxvt_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
2921{ 3025{
2922 int col, row, dirnadd, tcol, trow, w1, w2; 3026 int col, row, dirnadd, tcol, trow, w1, w2;
2923 row_col_t bound; 3027 row_col_t bound;
2924 text_t *stp; 3028 text_t *stp;
2925 rend_t *srp; 3029 rend_t *srp;
2926 3030
2927 if (dirn == UP) 3031 if (dirn == UP)
2928 { 3032 {
2929 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3033 bound.row = top_row - 1;
2930 bound.col = 0; 3034 bound.col = 0;
2931 dirnadd = -1; 3035 dirnadd = -1;
2932 } 3036 }
2933 else 3037 else
2934 { 3038 {
2935 bound.row = TermWin.saveLines + TermWin.nrow; 3039 bound.row = nrow;
2936 bound.col = TermWin.ncol - 1; 3040 bound.col = ncol - 1;
2937 dirnadd = 1; 3041 dirnadd = 1;
2938 } 3042 }
2939 row = mark->row + TermWin.saveLines; 3043
3044 row = mark->row;
2940 col = mark->col; 3045 col = max (mark->col, 0);
2941 MAX_IT(col, 0); 3046
2942 /* find the edge of a word */ 3047 /* find the edge of a word */
2943 stp = &(screen.text[row][col]); 3048 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2944 w1 = DELIMIT_TEXT(*stp); 3049 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2945 3050
2946 if (selection_style != NEW_SELECT) 3051 for (;;)
2947 { 3052 {
2948 if (w1 == 1) 3053 for (; col != bound.col; col += dirnadd)
2949 { 3054 {
2950 stp += dirnadd; 3055 stp += dirnadd;
2951 if (DELIMIT_TEXT(*stp) == 1)
2952 goto Old_Word_Selection_You_Die;
2953 col += dirnadd;
2954 }
2955 w1 = 0;
2956 }
2957 srp = (&screen.rend[row][col]);
2958 w2 = DELIMIT_REND(*srp);
2959
2960 for (;;)
2961 {
2962 for (; col != bound.col; col += dirnadd)
2963 {
2964 stp += dirnadd; 3056 srp += dirnadd;
3057
3058 if (*stp == NOCHAR)
3059 continue;
3060
2965 if (DELIMIT_TEXT(*stp) != w1) 3061 if (DELIMIT_TEXT (*stp) != w1)
2966 break; 3062 break;
2967 srp += dirnadd;
2968 if (DELIMIT_REND(*srp) != w2) 3063 if (DELIMIT_REND (*srp) != w2)
2969 break; 3064 break;
2970 } 3065 }
3066
2971 if ((col == bound.col) && (row != bound.row)) 3067 if ((col == bound.col) && (row != bound.row))
2972 { 3068 {
2973 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) 3069 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
2974 { 3070 {
2975 trow = row + dirnadd; 3071 trow = row + dirnadd;
2976 tcol = dirn == UP ? TermWin.ncol - 1 : 0; 3072 tcol = dirn == UP ? ncol - 1 : 0;
2977 if (screen.text[trow] == NULL) 3073
3074 if (!ROW(trow).t)
2978 break; 3075 break;
2979 stp = &(screen.text[trow][tcol]); 3076
2980 srp = &(screen.rend[trow][tcol]); 3077 stp = ROW(trow).t + tcol;
3078 srp = ROW(trow).r + tcol;
3079
2981 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2) 3080 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2982 break; 3081 break;
3082
2983 row = trow; 3083 row = trow;
2984 col = tcol; 3084 col = tcol;
2985 continue; 3085 continue;
2986 } 3086 }
2987 } 3087 }
2988 break; 3088 break;
2989 } 3089 }
2990Old_Word_Selection_You_Die:
2991 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2992 3090
2993 if (dirn == DN) 3091 if (dirn == DN)
2994 col++; /* put us on one past the end */ 3092 col++; /* put us on one past the end */
2995 3093
2996 /* Poke the values back in */ 3094 /* Poke the values back in */
2997 ret->row = row - TermWin.saveLines; 3095 ret->row = row;
2998 ret->col = col; 3096 ret->col = col;
2999} 3097}
3000 3098
3001/* ------------------------------------------------------------------------- */ 3099/* ------------------------------------------------------------------------- */
3002/* 3100/*
… …
3004 * EXT: button 3 press; button 1 or 3 drag 3102 * EXT: button 3 press; button 1 or 3 drag
3005 * flag == 0 ==> button 1 3103 * flag == 0 ==> button 1
3006 * flag == 1 ==> button 3 press 3104 * flag == 1 ==> button 3 press
3007 * flag == 2 ==> button 3 motion 3105 * flag == 2 ==> button 3 motion
3008 */ 3106 */
3009void 3107void ecb_cold
3010rxvt_term::selection_extend (int x, int y, int flag) 3108rxvt_term::selection_extend (int x, int y, int flag) noexcept
3011{ 3109{
3012 int col, row; 3110 int col = clamp (Pixel2Col (x), 0, ncol);
3111 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3013 3112
3014 col = Pixel2Col(x);
3015 row = Pixel2Row(y);
3016 MAX_IT(row, 0);
3017 MIN_IT(row, (int)TermWin.nrow - 1);
3018 MAX_IT(col, 0);
3019 MIN_IT(col, (int)TermWin.ncol);
3020
3021#ifndef NO_NEW_SELECTION
3022 /* 3113 /*
3023 * 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
3024 * 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
3025 * 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
3026 * be _past_ a character for it to be selected. 3117 * be _past_ a character for it to be selected.
3027 */ 3118 */
3028 if (selection_style != OLD_SELECT)
3029 {
3030 if (((selection.clicks % 3) == 1) && !flag 3119 if (((selection.clicks % 3) == 1) && !flag
3031 && (col == selection.mark.col 3120 && (col == selection.mark.col
3032 && (row == selection.mark.row + TermWin.view_start))) 3121 && (row == selection.mark.row - view_start)))
3033 { 3122 {
3034 /* select nothing */ 3123 /* select nothing */
3035 selection.beg.row = selection.end.row = 0; 3124 selection.beg.row = selection.end.row = 0;
3036 selection.beg.col = selection.end.col = 0; 3125 selection.beg.col = selection.end.col = 0;
3037 selection.clicks = 4; 3126 selection.clicks = 4;
3038 want_refresh = 1; 3127 want_refresh = 1;
3039 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
3040 return; 3128 return;
3041 }
3042 } 3129 }
3043#endif 3130
3044 if (selection.clicks == 4) 3131 if (selection.clicks == 4)
3045 selection.clicks = 1; 3132 selection.clicks = 1;
3046 3133
3047 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3134 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3048 flag == 1 ? 1 : 0, /* ? button press */ 3135 flag == 1 ? 1 : 0, /* ? button press */
… …
3051 3138
3052/* ------------------------------------------------------------------------- */ 3139/* ------------------------------------------------------------------------- */
3053/* 3140/*
3054 * Extend the selection to the specified col/row 3141 * Extend the selection to the specified col/row
3055 */ 3142 */
3056void 3143void ecb_cold
3057rxvt_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
3058{ 3145{
3059 int16_t ncol = TermWin.ncol;
3060 int end_col;
3061 row_col_t pos; 3146 row_col_t pos;
3062 enum { 3147 enum {
3063 LEFT, RIGHT 3148 LEFT, RIGHT
3064 } closeto = RIGHT; 3149 } closeto = RIGHT;
3065 3150
3066 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
3067 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3068
3069 want_refresh = 1;
3070 switch (selection.op) 3151 switch (selection.op)
3071 { 3152 {
3072 case SELECTION_INIT: 3153 case SELECTION_INIT:
3073 CLEAR_SELECTION(); 3154 CLEAR_SELECTION ();
3074 selection.op = SELECTION_BEGIN; 3155 selection.op = SELECTION_BEGIN;
3075 /* FALLTHROUGH */ 3156 /* FALLTHROUGH */
3076 case SELECTION_BEGIN: 3157 case SELECTION_BEGIN:
3077 if (row != selection.mark.row || col != selection.mark.col 3158 if (row != selection.mark.row || col != selection.mark.col
3078 || (!button3 && buttonpress)) 3159 || (!button3 && buttonpress))
… …
3087 selection_start_colrow (col, row); 3168 selection_start_colrow (col, row);
3088 /* FALLTHROUGH */ 3169 /* FALLTHROUGH */
3089 default: 3170 default:
3090 return; 3171 return;
3091 } 3172 }
3173
3092 if (selection.beg.col == selection.end.col 3174 if (selection.beg.col == selection.end.col
3093 && selection.beg.col != selection.mark.col 3175 && selection.beg.col != selection.mark.col
3094 && selection.beg.row == selection.end.row 3176 && selection.beg.row == selection.end.row
3095 && selection.beg.row != selection.mark.row) 3177 && selection.beg.row != selection.mark.row)
3096 { 3178 {
3097 selection.beg.col = selection.end.col = selection.mark.col; 3179 selection.beg.col = selection.end.col = selection.mark.col;
3098 selection.beg.row = selection.end.row = selection.mark.row; 3180 selection.beg.row = selection.end.row = selection.mark.row;
3099 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3100 } 3181 }
3101 3182
3102 pos.col = col; 3183 pos.col = col;
3103 pos.row = row; 3184 pos.row = view_start + row;
3104 3185
3105 pos.row -= TermWin.view_start; /* adjust for scroll */
3106
3107#ifndef NO_OLD_SELECTION
3108 /*
3109 * This mimics some of the selection behaviour of version 2.20 and before.
3110 * There are no ``selection modes'', button3 is always character extension.
3111 * Note: button3 drag is always available, c.f. v2.20
3112 * Selection always terminates (left or right as appropriate) at the mark.
3113 */
3114 if (selection_style == OLD_SELECT)
3115 {
3116 if (selection.clicks == 1 || button3)
3117 {
3118 if (hate_those_clicks)
3119 {
3120 hate_those_clicks = 0;
3121 if (selection.clicks == 1)
3122 {
3123 selection.beg.row = selection.mark.row;
3124 selection.beg.col = selection.mark.col;
3125 }
3126 else
3127 {
3128 selection.mark.row = selection.beg.row;
3129 selection.mark.col = selection.beg.col;
3130 }
3131 }
3132 if (ROWCOL_IS_BEFORE(pos, selection.mark))
3133 {
3134 selection.end.row = selection.mark.row;
3135 selection.end.col = selection.mark.col + 1;
3136 selection.beg.row = pos.row;
3137 selection.beg.col = pos.col;
3138 }
3139 else
3140 {
3141 selection.beg.row = selection.mark.row;
3142 selection.beg.col = selection.mark.col;
3143 selection.end.row = pos.row;
3144 selection.end.col = pos.col + 1;
3145 }
3146 }
3147 else if (selection.clicks == 2)
3148 {
3149 selection_delimit_word (UP, &(selection.mark),
3150 &(selection.beg));
3151 selection_delimit_word (DN, &(selection.mark),
3152 &(selection.end));
3153 hate_those_clicks = 1;
3154 }
3155 else if (selection.clicks == 3)
3156 {
3157 selection.beg.row = selection.end.row = selection.mark.row;
3158 selection.beg.col = 0;
3159 selection.end.col = ncol;
3160 hate_those_clicks = 1;
3161 }
3162 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3163 return;
3164 }
3165#endif /* ! NO_OLD_SELECTION */
3166#ifndef NO_NEW_SELECTION
3167 /* selection_style must not be OLD_SELECT to get here */
3168 /* 3186 /*
3169 * This is mainly xterm style selection with a couple of differences, mainly 3187 * This is mainly xterm style selection with a couple of differences, mainly
3170 * in the way button3 drag extension works. 3188 * in the way button3 drag extension works.
3171 * We're either doing: button1 drag; button3 press; or button3 drag 3189 * We're either doing: button1 drag; button3 press; or button3 drag
3172 * a) button1 drag : select around a midpoint/word/line - that point/word/line 3190 * a) button1 drag : select around a midpoint/word/line - that point/word/line
… …
3177 * a point/word/line which is either the start or end of the selection 3195 * a point/word/line which is either the start or end of the selection
3178 * and it was decided by whichever point/word/line was `fixed' at the 3196 * and it was decided by whichever point/word/line was `fixed' at the
3179 * time of the most recent button3 press 3197 * time of the most recent button3 press
3180 */ 3198 */
3181 if (button3 && buttonpress) 3199 if (button3 && buttonpress)
3200 {
3182 { /* button3 press */ 3201 /* button3 press */
3183 /* 3202 /*
3184 * first determine which edge of the selection we are closest to 3203 * first determine which edge of the selection we are closest to
3185 */ 3204 */
3186 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3205 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3187 || (!ROWCOL_IS_AFTER(pos, selection.end) 3206 || (!ROWCOL_IS_AFTER (pos, selection.end)
3188 && (((pos.col - selection.beg.col) 3207 && (((pos.col - selection.beg.col)
3189 + ((pos.row - selection.beg.row) * ncol)) 3208 + ((pos.row - selection.beg.row) * ncol))
3190 < ((selection.end.col - pos.col) 3209 < ((selection.end.col - pos.col)
3191 + ((selection.end.row - pos.row) * ncol))))) 3210 + ((selection.end.row - pos.row) * ncol)))))
3192 closeto = LEFT; 3211 closeto = LEFT;
3212
3193 if (closeto == LEFT) 3213 if (closeto == LEFT)
3194 { 3214 {
3195 selection.beg.row = pos.row; 3215 selection.beg.row = pos.row;
3196 selection.beg.col = pos.col; 3216 selection.beg.col = pos.col;
3197 selection.mark.row = selection.end.row; 3217 selection.mark.row = selection.end.row;
3198 selection.mark.col = selection.end.col 3218 selection.mark.col = selection.end.col - (selection.clicks == 2);
3199 - (selection.clicks == 2);
3200 } 3219 }
3201 else 3220 else
3202 { 3221 {
3203 selection.end.row = pos.row; 3222 selection.end.row = pos.row;
3204 selection.end.col = pos.col; 3223 selection.end.col = pos.col;
3205 selection.mark.row = selection.beg.row; 3224 selection.mark.row = selection.beg.row;
3206 selection.mark.col = selection.beg.col; 3225 selection.mark.col = selection.beg.col;
3207 } 3226 }
3208 } 3227 }
3209 else 3228 else
3229 {
3210 { /* button1 drag or button3 drag */ 3230 /* button1 drag or button3 drag */
3211 if (ROWCOL_IS_AFTER(selection.mark, pos)) 3231 if (ROWCOL_IS_AFTER (selection.mark, pos))
3212 { 3232 {
3213 if ((selection.mark.row == selection.end.row) 3233 if (selection.mark.row == selection.end.row
3214 && (selection.mark.col == selection.end.col) 3234 && selection.mark.col == selection.end.col
3235 && clickchange
3215 && clickchange && selection.clicks == 2) 3236 && selection.clicks == 2)
3216 selection.mark.col--; 3237 selection.mark.col--;
3238
3217 selection.beg.row = pos.row; 3239 selection.beg.row = pos.row;
3218 selection.beg.col = pos.col; 3240 selection.beg.col = pos.col;
3219 selection.end.row = selection.mark.row; 3241 selection.end.row = selection.mark.row;
3220 selection.end.col = selection.mark.col 3242 selection.end.col = selection.mark.col + (selection.clicks == 2);
3221 + (selection.clicks == 2);
3222 } 3243 }
3223 else 3244 else
3224 { 3245 {
3225 selection.beg.row = selection.mark.row; 3246 selection.beg.row = selection.mark.row;
3226 selection.beg.col = selection.mark.col; 3247 selection.beg.col = selection.mark.col;
… …
3229 } 3250 }
3230 } 3251 }
3231 3252
3232 if (selection.clicks == 1) 3253 if (selection.clicks == 1)
3233 { 3254 {
3234 end_col = screen.tlen[selection.beg.row + TermWin.saveLines]; 3255 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3235 if (end_col != -1 && selection.beg.col > end_col) 3256 && !ROW(selection.beg.row).is_longer ()
3257#if !ENABLE_MINIMAL
3258 && !selection.rect
3259#endif
3236 { 3260 )
3237#if 1
3238 selection.beg.col = ncol; 3261 selection.beg.col = ncol;
3239#else
3240 if (selection.beg.row != selection.end.row)
3241 selection.beg.col = ncol;
3242 else
3243 selection.beg.col = selection.mark.col;
3244#endif
3245 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
3246 } 3269 )
3247 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3248 if (end_col != -1 && selection.end.col > end_col)
3249 selection.end.col = ncol; 3270 selection.end.col = ncol;
3250
3251 } 3271 }
3252 else if (selection.clicks == 2) 3272 else if (selection.clicks == 2)
3253 { 3273 {
3254 if (ROWCOL_IS_AFTER(selection.end, selection.beg)) 3274 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3255 selection.end.col--; 3275 selection.end.col--;
3276
3256 selection_delimit_word (UP, &(selection.beg), 3277 selection_delimit_word (UP, &selection.beg, &selection.beg);
3257 &(selection.beg));
3258 selection_delimit_word (DN, &(selection.end), 3278 selection_delimit_word (DN, &selection.end, &selection.end);
3259 &(selection.end));
3260 } 3279 }
3261 else if (selection.clicks == 3) 3280 else if (selection.clicks == 3)
3262 { 3281 {
3263#ifndef NO_FRILLS 3282#if ENABLE_FRILLS
3264 if ((Options & Opt_tripleclickwords)) 3283 if (option (Opt_tripleclickwords))
3265 { 3284 {
3266 int end_row;
3267
3268 selection_delimit_word (UP, &(selection.beg), 3285 selection_delimit_word (UP, &selection.beg, &selection.beg);
3269 &(selection.beg)); 3286
3270 end_row = screen.tlen[selection.mark.row
3271 + TermWin.saveLines];
3272 for (end_row = selection.mark.row; end_row < TermWin.nrow; 3287 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3273 end_row++)
3274 { 3288 {
3275 end_col = screen.tlen[end_row + TermWin.saveLines]; 3289 if (!ROW(end_row).is_longer ())
3276 if (end_col != -1)
3277 { 3290 {
3278 selection.end.row = end_row; 3291 selection.end.row = end_row;
3279 selection.end.col = end_col; 3292 selection.end.col = ROW(end_row).l;
3293# if !ENABLE_MINIMAL
3280 selection_remove_trailing_spaces (); 3294 selection_remove_trailing_spaces ();
3295# endif
3281 break; 3296 break;
3282 } 3297 }
3283 } 3298 }
3284 } 3299 }
3285 else 3300 else
3286#endif 3301#endif
3287
3288 { 3302 {
3289 if (ROWCOL_IS_AFTER(selection.mark, selection.beg)) 3303 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3290 selection.mark.col++; 3304 selection.mark.col++;
3305
3291 selection.beg.col = 0; 3306 selection.beg.col = 0;
3292 selection.end.col = ncol; 3307 selection.end.col = ncol;
3308
3309 // select a complete logical line
3310 while (selection.beg.row > -saveLines
3311 && ROW(selection.beg.row - 1).is_longer ())
3312 selection.beg.row--;
3313
3314 while (selection.end.row < nrow
3315 && ROW(selection.end.row).is_longer ())
3316 selection.end.row++;
3293 } 3317 }
3294 } 3318 }
3319
3295 if (button3 && buttonpress) 3320 if (button3 && buttonpress)
3321 {
3296 { /* mark may need to be changed */ 3322 /* mark may need to be changed */
3297 if (closeto == LEFT) 3323 if (closeto == LEFT)
3298 { 3324 {
3299 selection.mark.row = selection.end.row; 3325 selection.mark.row = selection.end.row;
3300 selection.mark.col = selection.end.col 3326 selection.mark.col = selection.end.col - (selection.clicks == 2);
3301 - (selection.clicks == 2);
3302 } 3327 }
3303 else 3328 else
3304 { 3329 {
3305 selection.mark.row = selection.beg.row; 3330 selection.mark.row = selection.beg.row;
3306 selection.mark.col = selection.beg.col; 3331 selection.mark.col = selection.beg.col;
3307 } 3332 }
3308 } 3333 }
3309 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3310#endif /* ! NO_NEW_SELECTION */
3311}
3312 3334
3313#ifndef NO_FRILLS 3335#if !ENABLE_MINIMAL
3314void 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
3315rxvt_term::selection_remove_trailing_spaces () 3345rxvt_term::selection_remove_trailing_spaces () noexcept
3316{ 3346{
3317 int32_t end_col, end_row; 3347 int32_t end_col, end_row;
3318 text_t *stp; 3348 text_t *stp;
3319 3349
3320 end_col = selection.end.col; 3350 end_col = selection.end.col;
3321 end_row = selection.end.row; 3351 end_row = selection.end.row;
3352
3322 for ( ; end_row >= selection.beg.row; ) 3353 for (; end_row >= selection.beg.row; )
3323 { 3354 {
3324 stp = screen.text[end_row + TermWin.saveLines]; 3355 stp = ROW(end_row).t;
3356
3325 while (--end_col >= 0) 3357 while (--end_col >= 0)
3326 { 3358 {
3327 if (stp[end_col] != ' ' && stp[end_col] != '\t') 3359 if (stp[end_col] != NOCHAR
3360 && !unicode::is_space (stp[end_col]))
3328 break; 3361 break;
3329 } 3362 }
3363
3330 if (end_col >= 0 3364 if (end_col >= 0
3331 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) 3365 || !ROW(end_row - 1).is_longer ())
3332 { 3366 {
3333 selection.end.col = end_col + 1; 3367 selection.end.col = end_col + 1;
3334 selection.end.row = end_row; 3368 selection.end.row = end_row;
3335 break; 3369 break;
3336 } 3370 }
3371
3337 end_row--; 3372 end_row--;
3338 end_col = TermWin.ncol; 3373 end_col = ncol;
3339 } 3374 }
3375
3340 if (selection.mark.row > selection.end.row) 3376 if (selection.mark.row > selection.end.row)
3341 { 3377 {
3342 selection.mark.row = selection.end.row; 3378 selection.mark.row = selection.end.row;
3343 selection.mark.col = selection.end.col; 3379 selection.mark.col = selection.end.col;
3344 } 3380 }
… …
3351/* ------------------------------------------------------------------------- */ 3387/* ------------------------------------------------------------------------- */
3352/* 3388/*
3353 * Double click on button 3 when already selected 3389 * Double click on button 3 when already selected
3354 * EXT: button 3 double click 3390 * EXT: button 3 double click
3355 */ 3391 */
3356void 3392void ecb_cold
3357rxvt_term::selection_rotate (int x, int y) 3393rxvt_term::selection_rotate (int x, int y) noexcept
3358{ 3394{
3359 selection.clicks = selection.clicks % 3 + 1; 3395 selection.clicks = selection.clicks % 3 + 1;
3360 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3396 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3361} 3397}
3362
3363/* ------------------------------------------------------------------------- */
3364/*
3365 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3366 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3367 * the X11 protocol.
3368 */
3369typedef CARD32 Atom32;
3370 3398
3371/* ------------------------------------------------------------------------- */ 3399/* ------------------------------------------------------------------------- */
3372/* 3400/*
3373 * Respond to a request for our current selection 3401 * Respond to a request for our current selection
3374 * EXT: SelectionRequest 3402 * EXT: SelectionRequest
3375 */ 3403 */
3376void 3404void ecb_cold
3377rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3405rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3378{ 3406{
3407 Atom property = rq.property == None ? rq.target : rq.property;
3379 XSelectionEvent ev; 3408 XSelectionEvent ev;
3380 XTextProperty ct;
3381 XICCEncodingStyle style;
3382 Atom target;
3383 3409
3384 ev.type = SelectionNotify; 3410 ev.type = SelectionNotify;
3385 ev.property = None; 3411 ev.property = None;
3386 ev.display = rq.display; 3412 ev.display = rq.display;
3387 ev.requestor = rq.requestor; 3413 ev.requestor = rq.requestor;
… …
3389 ev.target = rq.target; 3415 ev.target = rq.target;
3390 ev.time = rq.time; 3416 ev.time = rq.time;
3391 3417
3392 if (rq.target == xa[XA_TARGETS]) 3418 if (rq.target == xa[XA_TARGETS])
3393 { 3419 {
3394 Atom32 target_list[5]; 3420 Atom target_list[6];
3395 Atom32 *target = target_list; 3421 Atom *target = target_list;
3396 3422
3397 *target++ = (Atom32) xa[XA_TARGETS]; 3423 *target++ = xa[XA_TARGETS];
3424 *target++ = xa[XA_TIMESTAMP];
3398 *target++ = (Atom32) XA_STRING; 3425 *target++ = XA_STRING;
3399 *target++ = (Atom32) xa[XA_TEXT]; 3426 *target++ = xa[XA_TEXT];
3400 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3427 *target++ = xa[XA_COMPOUND_TEXT];
3401#if X_HAVE_UTF8_STRING 3428#if X_HAVE_UTF8_STRING
3402 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3429 *target++ = xa[XA_UTF8_STRING];
3403#endif 3430#endif
3431
3404 XChangeProperty(display->display, rq.requestor, rq.property, XA_ATOM, 3432 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3405 (8 * sizeof(target_list[0])), PropModeReplace, 3433 32, PropModeReplace,
3406 (unsigned char *)target_list, 3434 (unsigned char *)target_list, target - target_list);
3407 target - target_list);
3408 ev.property = rq.property; 3435 ev.property = property;
3409 } 3436 }
3437#if TODO // TODO
3410 else if (rq.target == xa[XA_MULTIPLE]) 3438 else if (rq.target == xa[XA_MULTIPLE])
3411 { 3439 {
3412 /* TODO: Handle MULTIPLE */ 3440 /* TODO: Handle MULTIPLE */
3413 } 3441 }
3442#endif
3414 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3443 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3415 { 3444 {
3416 XChangeProperty(display->display, rq.requestor, rq.property, XA_INTEGER, 3445 XChangeProperty (dpy, rq.requestor, property, rq.target,
3417 (8 * sizeof(Time)), PropModeReplace,
3418 (unsigned char *)&selection_time, 1); 3446 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3419 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;
3420 } 3454 }
3421 else if (rq.target == XA_STRING 3455 else if (rq.target == XA_STRING
3422 || rq.target == xa[XA_TEXT] 3456 || rq.target == xa[XA_TEXT]
3423 || rq.target == xa[XA_COMPOUND_TEXT] 3457 || rq.target == xa[XA_COMPOUND_TEXT]
3424 || rq.target == xa[XA_UTF8_STRING] 3458 || rq.target == xa[XA_UTF8_STRING]
3425 ) 3459 )
3426 { 3460 {
3461 XTextProperty ct;
3462 Atom target = rq.target;
3427 short freect = 0; 3463 short freect = 0;
3428 int selectlen; 3464 int selectlen;
3429 char *cl; 3465 wchar_t *cl;
3430 3466 enum {
3431 target = rq.target; 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;
3432 3476
3433 if (target == XA_STRING) 3477 if (target == XA_STRING)
3434 // 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
3435 // will ask for another format anyways. 3479 // will ask for another format anyways.
3436 style = XStringStyle; 3480 style = enc_string;
3437 else if (target == xa[XA_TEXT]) 3481 else if (target == xa[XA_TEXT])
3438 style = XTextStyle; 3482 style = enc_text;
3439 else if (target == xa[XA_COMPOUND_TEXT]) 3483 else if (target == xa[XA_COMPOUND_TEXT])
3440 style = XCompoundTextStyle; 3484 style = enc_compound_text;
3441#if X_HAVE_UTF8_STRING 3485#if !ENABLE_MINIMAL
3442 else if (target == xa[XA_UTF8_STRING]) 3486 else if (target == xa[XA_UTF8_STRING])
3443 style = XUTF8StringStyle; 3487 style = enc_utf8;
3444#endif 3488#endif
3445 else 3489 else
3446 { 3490 {
3447 target = xa[XA_COMPOUND_TEXT]; 3491 target = xa[XA_COMPOUND_TEXT];
3448 style = XCompoundTextStyle; 3492 style = enc_compound_text;
3449 }
3450
3451 if (selection.text)
3452 { 3493 }
3494
3495 if (rq.selection == XA_PRIMARY && selection.text)
3496 {
3453 cl = (char *)selection.text; 3497 cl = selection.text;
3454 selectlen = selection.len; 3498 selectlen = selection.len;
3455 } 3499 }
3500 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3501 {
3502 cl = selection.clip_text;
3503 selectlen = selection.clip_len;
3504 }
3456 else 3505 else
3457 { 3506 {
3458 cl = ""; 3507 cl = (wchar_t *)L"";
3459 selectlen = 0; 3508 selectlen = 0;
3460 } 3509 }
3461 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)
3515 {
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 }
3522 else
3523#endif
3462 if (XmbTextListToTextProperty(display->display, &cl, 1, style, &ct) >= 0) 3524 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3463 freect = 1; 3525 freect = 1;
3464 else 3526 else
3465 { 3527 {
3466 /* if we failed to convert then send it raw */ 3528 /* if we failed to convert then send it raw */
3467 ct.value = (unsigned char *)cl; 3529 ct.value = (unsigned char *)cl;
3468 ct.nitems = selectlen; 3530 ct.nitems = selectlen;
3531 ct.encoding = target;
3469 } 3532 }
3470 3533
3471 XChangeProperty (display->display, rq.requestor, rq.property, 3534 XChangeProperty (dpy, rq.requestor, property,
3472 target, 8, PropModeReplace, 3535 ct.encoding, 8, PropModeReplace,
3473 ct.value, (int)ct.nitems); 3536 ct.value, (int)ct.nitems);
3474 ev.property = rq.property; 3537 ev.property = property;
3475 3538
3476 if (freect) 3539 if (freect)
3477 XFree (ct.value); 3540 XFree (ct.value);
3478 } 3541 }
3542
3479 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev); 3543 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3480} 3544}
3481 3545
3482/* ------------------------------------------------------------------------- * 3546/* ------------------------------------------------------------------------- */
3483 * MOUSE ROUTINES *
3484 * ------------------------------------------------------------------------- */
3485
3486/*
3487 * return col/row values corresponding to x/y pixel values
3488 */
3489void
3490rxvt_term::pixel_position (int *x, int *y)
3491{
3492 *x = Pixel2Col(*x);
3493 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3494 *y = Pixel2Row(*y);
3495 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3496}
3497
3498/* ------------------------------------------------------------------------- */
3499#ifdef USE_XIM 3547#if USE_XIM
3500void 3548void ecb_cold
3501rxvt_term::im_set_position (XPoint *pos) 3549rxvt_term::im_set_position (XPoint &pos) noexcept
3502{ 3550{
3503 XWindowAttributes xwa; 3551 XWindowAttributes xwa;
3504 3552
3505 XGetWindowAttributes (display->display, TermWin.vt, &xwa); 3553 XGetWindowAttributes (dpy, vt, &xwa);
3554
3506 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3555 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3507 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3556 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3508} 3557}
3509
3510#endif 3558#endif
3511/* ------------------------------------------------------------------------- */ 3559
3512 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
3513/* ------------------------------------------------------------------------- * 3698/* ------------------------------------------------------------------------- */
3514 * DEBUG ROUTINES *
3515 * ------------------------------------------------------------------------- */
3516#if 0
3517void
3518rxvt_debug_colors(void)
3519{
3520 int color;
3521 const char *name[] =
3522 {
3523 "fg", "bg",
3524 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3525 };
3526 3699
3527 fprintf(stderr, "Color ( ");
3528 if (rstyle & RS_RVid)
3529 fprintf(stderr, "rvid ");
3530 if (rstyle & RS_Bold)
3531 fprintf(stderr, "bold ");
3532 if (rstyle & RS_Blink)
3533 fprintf(stderr, "blink ");
3534 if (rstyle & RS_Uline)
3535 fprintf(stderr, "uline ");
3536 fprintf(stderr, "): ");
3537
3538 color = GET_FGCOLOR(rstyle);
3539#ifndef NO_BRIGHTCOLOR
3540 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3541 {
3542 color -= (minBrightCOLOR - minCOLOR);
3543 fprintf(stderr, "bright ");
3544 }
3545#endif
3546 fprintf(stderr, "%s on ", name[color]);
3547
3548 color = GET_BGCOLOR(rstyle);
3549#ifndef NO_BRIGHTCOLOR
3550 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3551 {
3552 color -= (minBrightCOLOR - minCOLOR);
3553 fprintf(stderr, "bright ");
3554 }
3555#endif
3556 fprintf(stderr, "%s\n", name[color]);
3557}
3558#endif

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