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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.54 by pcg, Thu Mar 11 00:53:19 2004 UTC vs.
Revision 1.463 by root, Sat Jul 3 04:04:13 2021 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * 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
9 * 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
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
23/* 24/*
24 * This file handles _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
25 */ 26 */
26 27
27#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
28#define INTERN_SCREEN
29#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
30#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
31 31
32#include <X11/Xmd.h> /* get the typedef for CARD32 */
33
34#include <stdint.h> 32#include <inttypes.h>
35#include <wchar.h>
36 33
37#include "salloc.C" // HACK, should be a seperate compile! 34static inline void
38
39inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
40{ 36{
41 while (len--) 37 while (len--)
42 *start++ = value; 38 *start++ = value;
43} 39}
44 40
45/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
46#define PROP_SIZE 16384
47#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
48 43
49/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
50 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
51 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
52#define ZERO_SCROLLBACK() \ 47#define ZERO_SCROLLBACK() \
53 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
54 TermWin.view_start = 0 49 view_start = 0
55#define CLEAR_SELECTION() \ 50#define CLEAR_SELECTION() \
56 selection.beg.row = selection.beg.col \ 51 selection.beg.row = selection.beg.col \
57 = selection.end.row = selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
58#define CLEAR_ALL_SELECTION() \ 53#define CLEAR_ALL_SELECTION() \
59 selection.beg.row = selection.beg.col \ 54 selection.beg.row = selection.beg.col \
60 = selection.mark.row = selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
61 = selection.end.row = selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
62 57
63#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
64 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
65#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
66 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
67#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
69#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) \
70 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
71#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
73#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) \
74 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
75 70
76/* these must be row_col_t */ 71/* these must be row_col_t */
77#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
78 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)
79#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
80 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)
81#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
82 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)
83#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
84 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)
85#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
86 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)
87#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
88 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)
89 84
90/* 85/*
91 * CLEAR_ROWS : clear <num> rows starting from row <row>
92 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
93 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
94 */ 87 */
95#define drawBuffer TermWin.vt
96
97#define CLEAR_ROWS(row, num) \
98 if (TermWin.mapped) \
99 XClearArea (display->display, drawBuffer, TermWin.int_bwidth, \
100 Row2Pixel (row), (unsigned int)TermWin.width, \
101 (unsigned int)Height2Pixel (num), False)
102
103#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
104 if (TermWin.mapped) \ 89 if (mapped) \
105 XClearArea (display->display, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
106 (unsigned int)Width2Pixel (num), \ 91 (unsigned int)Width2Pixel (num), \
107 (unsigned int)Height2Pixel (1), False) 92 (unsigned int)Height2Pixel (1), False)
108
109#define ERASE_ROWS(row, num) \
110 XFillRectangle (display->display, drawBuffer, TermWin.gc, \
111 TermWin.int_bwidth, Row2Pixel (row), \
112 (unsigned int)TermWin.width, \
113 (unsigned int)Height2Pixel (num))
114 93
115/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
116 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
117 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
118/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
119void 99void
120rxvt_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
121{ 101{
122 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
123 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;
124 116
125 while (width--) 117 while (width--)
126 { 118 {
127 *et++ = ' '; 119 *et++ = ' ';
128 *er++ = efs; 120 *er++ = efs;
… …
130} 122}
131 123
132/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
133/* 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 */
134void 126void
135rxvt_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
136{ 128{
137#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
138 assert ((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
139#endif
140 if (tp[row] == NULL)
141 {
142 tp[row] = (text_t *)talloc->alloc ();
143 rp[row] = (rend_t *)ralloc->alloc ();
144 }
145 130
146 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);
147} 164}
148 165
149/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
152void 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
153rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
154{ 216{
155 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
156 unsigned int p, q; 218 scr_overlay_off ();
157 int k; 219#endif
158 rend_t setrstyle;
159 220
160 D_SCREEN ((stderr, "rxvt_scr_reset ()"));
161
162 TermWin.view_start = 0; 221 view_start = 0;
163 num_scr = 0; 222 num_scr = 0;
164 223
165 if (TermWin.ncol == 0) 224 if (ncol == 0)
166 TermWin.ncol = 80; 225 ncol = 80;
167 226
168 if (TermWin.nrow == 0) 227 if (nrow == 0)
169 TermWin.nrow = 24; 228 nrow = 24;
170
171 ncol = TermWin.ncol;
172 nrow = TermWin.nrow;
173 229
174 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
175 return; 231 return;
176 232
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
177 want_refresh = 1; 242 want_refresh = 1;
178 243
244 int prev_total_rows = prev_nrow + saveLines;
179 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
180 prev_total_rows = prev_nrow + TermWin.saveLines;
181 246
182 screen.tscroll = 0; 247 screen.tscroll = 0;
183 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
184 249
185 if (!talloc) 250 void *prev_chunk = chunk;
186 { 251 size_t prev_chunk_size = chunk_size;
187 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
188 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)
189 } 259 {
260 top_row = 0;
261 term_start = 0;
190 262
191 if (prev_nrow == 0)
192 {
193 /*
194 * first time called so just malloc everything : don't rely on realloc
195 * Note: this is still needed so that all the scrollback lines are NULL
196 */
197 screen.text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
198 buf_text = (text_t **)rxvt_calloc (total_rows, sizeof (text_t *));
199 drawn_text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
200 swap.text = (text_t **)rxvt_calloc (nrow, sizeof (text_t *));
201
202 screen.tlen = (int16_t *)rxvt_calloc (total_rows, sizeof (int16_t));
203 swap.tlen = (int16_t *)rxvt_calloc (nrow, sizeof (int16_t));
204
205 screen.rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
206 buf_rend = (rend_t **)rxvt_calloc (total_rows, sizeof (rend_t *));
207 drawn_rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
208 swap.rend = (rend_t **)rxvt_calloc (nrow, sizeof (rend_t *));
209
210 for (p = 0; p < nrow; p++)
211 {
212 q = p + TermWin.saveLines;
213 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
214 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
215 screen.tlen[q] = swap.tlen[p] = 0;
216 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
217 }
218
219 MEMSET (charsets, 'B', sizeof (charsets)); 263 memset (charsets, 'B', sizeof (charsets));
220 TermWin.nscrolled = 0; /* no saved lines */
221 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
222 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
223 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
224 screen.charset = 0; 267 screen.charset = 0;
225 current_screen = PRIMARY; 268 current_screen = PRIMARY;
… …
237 selection.text = NULL; 280 selection.text = NULL;
238 selection.len = 0; 281 selection.len = 0;
239 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
240 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
241 selection.clicks = 0; 284 selection.clicks = 0;
242 CLEAR_ALL_SELECTION (); 285 selection.clip_text = NULL;
243 rvideo = 0; 286 selection.clip_len = 0;
244 } 287 }
245 else 288 else
246 { 289 {
247 /* 290 /*
248 * add or delete rows as appropriate 291 * add or delete rows as appropriate
249 */ 292 */
250 setrstyle = DEFAULT_RSTYLE;
251 293
252 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 for (int row = min (nrow, prev_nrow); row--; )
297 {
298 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
299 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
300 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
301
302 copy_line (swap_buf [row], prev_swap_buf [row]);
253 { 303 }
254 /* delete rows */
255 k = min (TermWin.nscrolled, prev_nrow - nrow);
256 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
257 304
258 for (p = nrow; p < prev_nrow; p++) 305 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
306 int pend = MOD (term_start + top_row , prev_total_rows);
307 int q = total_rows; // rewrapped row
308
309 if ((rewrap_always || top_row) && !rewrap_never)
310 {
311 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
312 // to come up with a lean and mean algorithm.
313 // TODO: maybe optimise when width didn't change
314
315 row_col_t ocur = screen.cur;
316 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
317
318 do
259 { 319 {
260 q = p + TermWin.saveLines; 320 p = MOD (p - 1, prev_total_rows);
261 if (screen.text[q]) 321 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
322 int plines = 1;
323 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
324
325 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
262 { 326 {
263#ifdef DEBUG_STRICT 327 p = MOD (p - 1, prev_total_rows);
264 assert (screen.rend[q]); 328
265#endif 329 plines++;
266 talloc->free (screen.text[q]); 330 llen += prev_ncol;
267 ralloc->free (screen.rend[q]);
268 } 331 }
269 if (swap.text[p]) 332
333 int qlines = max (0, (llen - 1) / ncol) + 1;
334
335 // drop partial lines completely
336 if (q < qlines)
337 break;
338
339 q -= qlines;
340
341 int lofs = 0;
342 line_t *qline;
343
344 // re-assemble the full line by destination lines
345 for (int qrow = q; qlines--; qrow++)
270 { 346 {
271#ifdef DEBUG_STRICT 347 qline = row_buf + qrow;
272 assert (swap.rend[p]); 348 qline->alloc (); // redundant with next line
273#endif 349 qline->l = ncol;
274 talloc->free (swap.text[p]); 350 qline->is_longer (1);
275 ralloc->free (swap.rend[p]); 351
352 int qcol = 0;
353
354 // see below for cursor adjustment rationale
355 if (p == ocur.row)
356 screen.cur.row = q - (total_rows - nrow);
357
358 // fill a single destination line
359 while (lofs < llen && qcol < ncol)
360 {
361 int prow = lofs / prev_ncol;
362 int pcol = lofs % prev_ncol;
363
364 prow = MOD (p + prow, prev_total_rows);
365
366 // we only adjust the cursor _row_ and put it into
367 // the topmost line of "long line" it was in, as
368 // this seems to upset applications/shells/readline
369 // least.
370 if (prow == ocur.row)
371 screen.cur.row = q - (total_rows - nrow);
372
373 line_t &pline = prev_row_buf [prow];
374
375 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
376
377 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
378 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
379
380 lofs += len;
381 qcol += len;
382 }
276 } 383 }
277#ifdef DEBUG_STRICT 384
278 assert (drawn_text[p] && drawn_rend[p]); 385 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
279#endif 386 qline->is_longer (0);
280 talloc->free (drawn_text[p]); 387 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
281 ralloc->free (drawn_rend[p]);
282 } 388 }
389 while (p != pend && q > 0);
283 390
284 /* we have fewer rows so fix up cursor position */ 391 term_start = total_rows - nrow;
285 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 392 top_row = q - term_start;
286 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
287 393
288 scr_reset_realloc (); /* realloc _last_ */ 394 // make sure all terminal lines exist
289 } 395 while (top_row > 0)
290 else if (nrow > prev_nrow) 396 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
291 { 397 }
292 /* add rows */ 398 else
293 scr_reset_realloc (); /* realloc _first_ */ 399 {
400 // if no scrollback exists (yet), wing, instead of wrap
294 401
295 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 402 for (int row = min (nrow, prev_nrow); row--; )
296
297 k = min (TermWin.nscrolled, nrow - prev_nrow);
298
299 for (p = prev_total_rows; p < total_rows; p++)
300 { 403 {
301 screen.tlen[p] = 0; 404 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
302 screen.text[p] = NULL; 405 line_t &dst = row_buf [row];
303 screen.rend[p] = NULL; 406
407 copy_line (dst, src);
304 } 408 }
305 409
306 for (p = prev_total_rows; p < total_rows - k; p++)
307 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
308
309 for (p = prev_nrow; p < nrow; p++) 410 for (int row = prev_nrow; row < nrow; row++)
310 { 411 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
311 swap.tlen[p] = 0;
312 swap.text[p] = NULL;
313 swap.rend[p] = NULL;
314 drawn_text[p] = NULL;
315 drawn_rend[p] = NULL;
316 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
317 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
318 }
319 412
320 if (k > 0) 413 term_start = 0;
321 {
322 scr_scroll_text (0, (int)nrow - 1, -k, 1);
323 screen.cur.row += k;
324 screen.s_cur.row += k;
325 TermWin.nscrolled -= k;
326 }
327#ifdef DEBUG_STRICT
328 assert (screen.cur.row < TermWin.nrow);
329 assert (swap.cur.row < TermWin.nrow);
330#else /* drive with your eyes closed */
331
332 MIN_IT (screen.cur.row, nrow - 1);
333 MIN_IT (swap.cur.row, nrow - 1);
334#endif
335 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
336 }
337
338 /* resize columns */
339 if (ncol != prev_ncol)
340 { 414 }
341 int common = min (prev_ncol, ncol);
342 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t));
343 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t));
344 415
345 for (p = 0; p < total_rows; p++) 416 clamp_it (screen.cur.row, 0, nrow - 1);
346 { 417 clamp_it (screen.cur.col, 0, ncol - 1);
347 if (screen.text[p]) 418 }
348 {
349 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
350 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
351 419
352 MIN_IT (screen.tlen[p], (int16_t)ncol); 420 for (int row = nrow; row--; )
421 {
422 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
423 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
424 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
425 }
353 426
354 if (ncol > prev_ncol) 427 chunk_free (prev_chunk, prev_chunk_size);
355 scr_blank_line (& (screen.text[p][prev_ncol]),
356 & (screen.rend[p][prev_ncol]),
357 ncol - prev_ncol,
358 setrstyle);
359 }
360 }
361 428
362 for (p = 0; p < nrow; p++)
363 {
364 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
365 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
366
367 if (ncol > prev_ncol)
368 scr_blank_line (& (drawn_text[p][prev_ncol]),
369 & (drawn_rend[p][prev_ncol]),
370 ncol - prev_ncol, setrstyle);
371
372 if (swap.text[p])
373 {
374 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
375 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
376
377 MIN_IT (swap.tlen[p], (int16_t)ncol);
378
379 if (ncol > prev_ncol)
380 scr_blank_line (& (swap.text[p][prev_ncol]),
381 & (swap.rend[p][prev_ncol]),
382 ncol - prev_ncol, setrstyle);
383 }
384
385 }
386
387 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
388 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
389
390 delete talloc; talloc = ta;
391 delete ralloc; ralloc = ra;
392 }
393
394 if (tabs)
395 free (tabs); 429 free (tabs);
396 } 430 tabs = (char *)rxvt_malloc (ncol);
431
432 for (int col = ncol; col--; )
433 tabs [col] = col % TABSIZE == 0;
434
435 CLEAR_ALL_SELECTION ();
397 436
398 prev_nrow = nrow; 437 prev_nrow = nrow;
399 prev_ncol = ncol; 438 prev_ncol = ncol;
400 439
401 tabs = (char *)rxvt_malloc (ncol * sizeof (char));
402
403 for (p = 0; p < ncol; p++)
404 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
405
406 tt_winch (); 440 tt_winch ();
407}
408 441
409void 442 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
410rxvt_term::scr_reset_realloc ()
411{
412 uint16_t total_rows, nrow;
413
414 nrow = TermWin.nrow;
415 total_rows = nrow + TermWin.saveLines;
416 /* *INDENT-OFF* */
417 screen.text = (text_t **)rxvt_realloc (screen.text, total_rows * sizeof (text_t *));
418 buf_text = (text_t **)rxvt_realloc (buf_text , total_rows * sizeof (text_t *));
419 drawn_text = (text_t **)rxvt_realloc (drawn_text , nrow * sizeof (text_t *));
420 swap.text = (text_t **)rxvt_realloc (swap.text , nrow * sizeof (text_t *));
421
422 screen.tlen = (int16_t *)rxvt_realloc (screen.tlen, total_rows * sizeof (int16_t));
423 swap.tlen = (int16_t *)rxvt_realloc (swap.tlen , total_rows * sizeof (int16_t));
424
425 screen.rend = (rend_t **)rxvt_realloc (screen.rend, total_rows * sizeof (rend_t *));
426 buf_rend = (rend_t **)rxvt_realloc (buf_rend , total_rows * sizeof (rend_t *));
427 drawn_rend = (rend_t **)rxvt_realloc (drawn_rend , nrow * sizeof (rend_t *));
428 swap.rend = (rend_t **)rxvt_realloc (swap.rend , nrow * sizeof (rend_t *));
429 /* *INDENT-ON* */
430} 443}
431 444
432/* ------------------------------------------------------------------------- */ 445void ecb_cold
433/*
434 * Free everything. That way malloc debugging can find leakage.
435 */
436void
437rxvt_term::scr_release () 446rxvt_term::scr_release () noexcept
438{ 447{
439 uint16_t total_rows; 448 chunk_free (chunk, chunk_size);
440 int i; 449 chunk = 0;
450 row_buf = 0;
441 451
442 total_rows = TermWin.nrow + TermWin.saveLines;
443
444#ifdef DEBUG_STRICT
445 for (i = 0; i < total_rows; i++)
446 {
447 if (screen.text[i])
448 /* then so is screen.rend[i] */
449 assert (screen.rend[i]);
450 }
451#endif
452
453 delete talloc; talloc = 0;
454 delete ralloc; ralloc = 0;
455
456 free (screen.text);
457 free (screen.tlen);
458 free (screen.rend);
459 free (drawn_text);
460 free (drawn_rend);
461 free (swap.text);
462 free (swap.tlen);
463 free (swap.rend);
464 free (buf_text);
465 free (buf_rend);
466 free (tabs); 452 free (tabs);
467
468 /* NULL these so if anything tries to use them, we'll know about it */
469 screen.text = drawn_text = swap.text = NULL;
470 screen.rend = drawn_rend = swap.rend = NULL;
471 screen.tlen = swap.tlen = NULL;
472 buf_text = NULL;
473 buf_rend = NULL;
474 tabs = NULL; 453 tabs = 0;
475} 454}
476 455
477/* ------------------------------------------------------------------------- */ 456/* ------------------------------------------------------------------------- */
478/* 457/*
479 * Hard reset 458 * Hard/Soft reset
480 */ 459 */
481void 460void ecb_cold
482rxvt_term::scr_poweron () 461rxvt_term::scr_poweron ()
483{ 462{
484 D_SCREEN ((stderr, "rxvt_scr_poweron ()"));
485
486 scr_release (); 463 scr_release ();
464
487 prev_nrow = prev_ncol = 0; 465 prev_nrow = prev_ncol = 0;
466 rvideo_mode = false;
467 scr_soft_reset ();
488 scr_reset (); 468 scr_reset ();
489 469
490 scr_clear (); 470 scr_clear (true);
491 scr_refresh (SLOW_REFRESH); 471 scr_refresh ();
472}
473
474void ecb_cold
475rxvt_term::scr_soft_reset () noexcept
476{
477 /* only affects modes, nothing drastic such as clearing the screen */
478#if ENABLE_OVERLAY
479 scr_overlay_off ();
480#endif
481
482 if (current_screen != PRIMARY)
483 scr_swap_screen ();
484
485 scr_scroll_region (0, MAX_ROWS - 1);
486 scr_rendition (0, ~RS_None);
487 scr_insert_mode (0);
492} 488}
493 489
494/* ------------------------------------------------------------------------- * 490/* ------------------------------------------------------------------------- *
495 * PROCESS SCREEN COMMANDS * 491 * PROCESS SCREEN COMMANDS *
496 * ------------------------------------------------------------------------- */ 492 * ------------------------------------------------------------------------- */
… …
498 * Save and Restore cursor 494 * Save and Restore cursor
499 * XTERM_SEQ: Save cursor : ESC 7 495 * XTERM_SEQ: Save cursor : ESC 7
500 * XTERM_SEQ: Restore cursor: ESC 8 496 * XTERM_SEQ: Restore cursor: ESC 8
501 */ 497 */
502void 498void
503rxvt_term::scr_cursor (int mode) 499rxvt_term::scr_cursor (cursor_mode mode) noexcept
504{ 500{
505 screen_t *s; 501 screen_t *s;
506
507 D_SCREEN ((stderr, "rxvt_scr_cursor (%c)", mode));
508 502
509#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 503#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
510 if (current_screen == SECONDARY) 504 if (current_screen == SECONDARY)
511 s = & (swap); 505 s = &swap;
512 else 506 else
513#endif 507#endif
514 s = & (screen); 508 s = &screen;
509
515 switch (mode) 510 switch (mode)
516 { 511 {
517 case SAVE: 512 case SAVE:
518 s->s_cur.row = s->cur.row; 513 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 514 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 515 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 516 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 517 s->s_charset_char = charsets[screen.charset];
523 break; 518 break;
519
524 case RESTORE: 520 case RESTORE:
525 want_refresh = 1; 521 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 522 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 523 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 524 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 525 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 526 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 527 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 528 set_font_style ();
533 break; 529 break;
534 } 530 }
531
535 /* boundary check in case screen size changed between SAVE and RESTORE */ 532 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT (s->cur.row, TermWin.nrow - 1); 533 min_it (s->cur.row, nrow - 1);
537 MIN_IT (s->cur.col, TermWin.ncol - 1); 534 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert (s->cur.row >= 0); 535 assert (s->cur.row >= 0);
540 assert (s->cur.col >= 0); 536 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 537}
542 MAX_IT (s->cur.row, 0); 538
543 MAX_IT (s->cur.col, 0); 539void
544#endif 540rxvt_term::scr_swap_screen () noexcept
541{
542 if (!option (Opt_secondaryScreen))
543 return;
544
545 for (int i = prev_nrow; i--; )
546 ::swap (ROW(i), swap_buf [i]);
547
548 ::swap (screen.cur, swap.cur);
549
550 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
551 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 552}
546 553
547/* ------------------------------------------------------------------------- */ 554/* ------------------------------------------------------------------------- */
548/* 555/*
549 * Swap between primary and secondary screens 556 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 557 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 558 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 559 */
553int 560void
554rxvt_term::scr_change_screen (int scrn) 561rxvt_term::scr_change_screen (int scrn)
555{ 562{
556 int i; 563 if (scrn == current_screen)
564 return;
565
566 want_refresh = 1;
567 view_start = 0;
568
569 /* check for boundary cross */
570 row_col_t pos;
571 pos.row = pos.col = 0;
572 if (ROWCOL_IS_BEFORE (selection.beg, pos)
573 && ROWCOL_IS_AFTER (selection.end, pos))
574 CLEAR_SELECTION ();
575
576 current_screen = scrn;
577
557#if NSCREENS 578#if NSCREENS
558 int offset; 579 if (option (Opt_secondaryScreen))
559#endif 580 {
560
561 want_refresh = 1;
562
563 D_SCREEN ((stderr, "rxvt_scr_change_screen (%d)", scrn));
564
565 TermWin.view_start = 0;
566
567 if (current_screen == scrn)
568 return current_screen;
569
570 selection_check (2); /* check for boundary cross */
571
572 SWAP_IT (current_screen, scrn, int);
573#if NSCREENS
574 num_scr = 0; 581 num_scr = 0;
575 offset = TermWin.saveLines; 582
576 for (i = prev_nrow; i--;) 583 scr_swap_screen ();
577 { 584
578 SWAP_IT (screen.text[i + offset], swap.text[i], text_t *); 585 ::swap (screen.charset, swap.charset);
579 SWAP_IT (screen.tlen[i + offset], swap.tlen[i], int16_t); 586 ::swap (screen.flags, swap.flags);
580 SWAP_IT (screen.rend[i + offset], swap.rend[i], rend_t *);
581 }
582 SWAP_IT (screen.cur.row, swap.cur.row, int16_t);
583 SWAP_IT (screen.cur.col, swap.cur.col, int16_t);
584# ifdef DEBUG_STRICT
585 assert ((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
586 assert ((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
587# else /* drive with your eyes closed */
588 MAX_IT (screen.cur.row, 0);
589 MIN_IT (screen.cur.row, (int32_t)prev_nrow - 1);
590 MAX_IT (screen.cur.col, 0);
591 MIN_IT (screen.cur.col, (int32_t)prev_ncol - 1);
592# endif
593 SWAP_IT (screen.charset, swap.charset, int16_t);
594 SWAP_IT (screen.flags, swap.flags, int);
595 screen.flags |= Screen_VisibleCursor; 587 screen.flags |= Screen_VisibleCursor;
596 swap.flags |= Screen_VisibleCursor; 588 swap.flags |= Screen_VisibleCursor;
597#else 589 }
598# ifdef SCROLL_ON_NO_SECONDARY 590 else
599 if (current_screen == PRIMARY) 591#endif
592 if (option (Opt_secondaryScroll))
600 scr_scroll_text (0, (prev_nrow - 1), prev_nrow, 0); 593 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
601# endif 594}
602#endif 595
603 return scrn; 596// clear WrapNext indicator, solidifying position on next line
597void
598rxvt_term::scr_do_wrap () noexcept
599{
600 if (!(screen.flags & Screen_WrapNext))
601 return;
602
603 screen.flags &= ~Screen_WrapNext;
604
605 screen.cur.col = 0;
606
607 if (screen.cur.row == screen.bscroll)
608 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
609 else if (screen.cur.row < nrow - 1)
610 screen.cur.row++;
604} 611}
605 612
606/* ------------------------------------------------------------------------- */ 613/* ------------------------------------------------------------------------- */
607/* 614/*
608 * Change the colour for following text 615 * Change the colour for following text
609 */ 616 */
610void 617void
611rxvt_term::scr_color (unsigned int color, int fgbg) 618rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
612{ 619{
613 color &= RS_fgMask; 620 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
621 color = fgbg;
622
614 if (fgbg == Color_fg) 623 if (fgbg == Color_fg)
615 rstyle = SET_FGCOLOR (rstyle, color); 624 rstyle = SET_FGCOLOR (rstyle, color);
616 else 625 else
617 rstyle = SET_BGCOLOR (rstyle, color); 626 rstyle = SET_BGCOLOR (rstyle, color);
618} 627}
… …
620/* ------------------------------------------------------------------------- */ 629/* ------------------------------------------------------------------------- */
621/* 630/*
622 * Change the rendition style for following text 631 * Change the rendition style for following text
623 */ 632 */
624void 633void
625rxvt_term::scr_rendition (int set, int style) 634rxvt_term::scr_rendition (int set, int style) noexcept
626 { 635{
627 if (set) 636 if (set)
628 rstyle |= style; 637 rstyle |= style;
629 else if (style == ~RS_None) 638 else if (style == ~RS_None)
630 rstyle = DEFAULT_RSTYLE; 639 rstyle = DEFAULT_RSTYLE;
631 else 640 else
632 rstyle &= ~style; 641 rstyle &= ~style;
633 } 642}
634 643
635/* ------------------------------------------------------------------------- */ 644/* ------------------------------------------------------------------------- */
636/* 645/*
637 * Scroll text between <row1> and <row2> inclusive, by <count> lines 646 * Scroll text between <row1> and <row2> inclusive, by <count> lines
638 * count positive ==> scroll up 647 * count positive ==> scroll up
639 * count negative ==> scroll down 648 * count negative ==> scroll down
640 * spec == 0 for normal routines
641 */ 649 */
642int 650int ecb_hot
643rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 651rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
644{ 652{
645 int i, j;
646 long nscrolled;
647
648 if (count == 0 || (row1 > row2)) 653 if (count == 0 || (row1 > row2))
649 return 0; 654 return 0;
650 655
651 want_refresh = 1; 656 want_refresh = 1;
652 D_SCREEN ((stderr, "rxvt_scroll_text (%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 657 num_scr += count;
653 658
654 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 659 if (count > 0
660 && row1 == 0
661 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
662 {
663 min_it (count, total_rows - (nrow - (row2 + 1)));
664
665 top_row = max (top_row - count, -saveLines);
666
667 // sever bottommost line
655 { 668 {
656 nscrolled = (long)TermWin.nscrolled + (long)count; 669 line_t &l = ROW(row2);
657 670 l.is_longer (0);
658 if (nscrolled > (long)TermWin.saveLines) 671 l.touch ();
659 TermWin.nscrolled = TermWin.saveLines;
660 else
661 TermWin.nscrolled = (uint16_t)nscrolled;
662
663 if ((Options & Opt_scrollWithBuffer)
664 && TermWin.view_start != 0
665 && TermWin.view_start != TermWin.saveLines)
666 scr_page (UP, count);
667 } 672 }
668 else if (!spec)
669 row1 += TermWin.saveLines;
670 673
671 row2 += TermWin.saveLines; 674 // scroll everything up 'count' lines
675 term_start = (term_start + count) % total_rows;
672 676
677 // now copy lines below the scroll region bottom to the
678 // bottom of the screen again, so they look as if they
679 // hadn't moved.
680 for (int i = nrow; --i > row2; )
681 {
682 line_t &l1 = ROW(i - count);
683 line_t &l2 = ROW(i);
684
685 ::swap (l1, l2);
686 l2.touch ();
687 }
688
689 // erase newly scrolled-in lines
690 for (int i = count; i--; )
691 {
692 line_t &l = ROW(row2 - i);
693
694 // optimise if already cleared, can be significant on slow machines
695 // could be rolled into scr_blank_screen_mem
696 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
697 {
698 scr_blank_line (l, 0, l.l, rstyle);
699 l.l = 0;
700 l.f = 0;
701 }
702 else
703 scr_blank_screen_mem (l, rstyle);
704 }
705
706 // move and/or clear selection, if any
673 if (selection.op && current_screen == selection.screen) 707 if (selection.op && current_screen == selection.screen
674 { 708 && selection.beg.row <= row2)
675 i = selection.beg.row + TermWin.saveLines;
676 j = selection.end.row + TermWin.saveLines;
677 if ((i < row1 && j > row1)
678 || (i < row2 && j > row2)
679 || (i - count < row1 && i >= row1)
680 || (i - count > row2 && i <= row2)
681 || (j - count < row1 && j >= row1)
682 || (j - count > row2 && j <= row2))
683 {
684 CLEAR_ALL_SELECTION ();
685 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
686 } 709 {
687 else if (j >= row1 && j <= row2)
688 {
689 /* move selected region too */
690 selection.beg.row -= count; 710 selection.beg.row -= count;
691 selection.end.row -= count; 711 selection.end.row -= count;
692 selection.mark.row -= count; 712 selection.mark.row -= count;
693 }
694 }
695 713
696 selection_check (0); /* _after_ TermWin.nscrolled update */ 714 selection_check (0);
697
698 num_scr += count;
699 j = count;
700
701 if (count < 0)
702 count = -count;
703
704 i = row2 - row1 + 1;
705 MIN_IT (count, i);
706
707 if (j > 0)
708 {
709 /* A: scroll up */
710
711 /* A1: Copy lines that will get clobbered by the rotation */
712 for (i = 0, j = row1; i < count; i++, j++)
713 { 715 }
714 buf_text[i] = screen.text[j]; 716
715 buf_rend[i] = screen.rend[j]; 717 // finally move the view window, if desired
718 if (option (Opt_scrollWithBuffer)
719 && view_start != 0
720 && view_start != -saveLines)
721 scr_page (count);
722
723 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
724 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
725 }
726 else
727 {
728 if (selection.op && current_screen == selection.screen)
716 } 729 {
717 /* A2: Rotate lines */ 730 if ((selection.beg.row < row1 && selection.end.row > row1)
718 for (j = row1, i = j + count; i <= row2; i++, j++) 731 || (selection.beg.row < row2 && selection.end.row > row2)
732 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
733 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
734 || (selection.end.row - count < row1 && selection.end.row >= row1)
735 || (selection.end.row - count > row2 && selection.end.row <= row2))
736 {
737 CLEAR_ALL_SELECTION ();
738 selection.op = SELECTION_CLEAR;
739 }
740 else if (selection.end.row >= row1 && selection.end.row <= row2)
741 {
742 /* move selected region too */
743 selection.beg.row -= count;
744 selection.end.row -= count;
745 selection.mark.row -= count;
746
747 selection_check (0);
748 }
719 { 749 }
720 screen.tlen[j] = screen.tlen[i]; 750
721 screen.text[j] = screen.text[i]; 751 // use a simple and robust scrolling algorithm, this
722 screen.rend[j] = screen.rend[i]; 752 // part of scr_scroll_text is not time-critical.
753
754 // sever line above scroll region
755 if (row1)
723 } 756 {
724 j = row2 - count + 1, i = count; 757 line_t &l = ROW(row1 - 1);
725 } 758 l.is_longer (0);
726 else /* if (j < 0) */ 759 l.touch ();
727 {
728 /* B: scroll down */
729
730 /* B1: Copy lines that will get clobbered by the rotation */
731 for (i = 0, j = row2; i < count; i++, j--)
732 { 760 }
733 buf_text[i] = screen.text[j]; 761
734 buf_rend[i] = screen.rend[j]; 762 int rows = row2 - row1 + 1;
763
764 min_it (count, rows);
765
766 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
767
768 for (int row = 0; row < rows; row++)
735 } 769 {
736 /* B2: Rotate lines */ 770 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
737 for (j = row2, i = j - count; i >= row1; i--, j--) 771
772 if (!IN_RANGE_EXC (row + count, 0, rows))
773 scr_blank_screen_mem (temp_buf [row], rstyle);
738 { 774 }
739 screen.tlen[j] = screen.tlen[i]; 775
740 screen.text[j] = screen.text[i]; 776 for (int row = 0; row < rows; row++)
741 screen.rend[j] = screen.rend[i]; 777 ROW(row1 + row) = temp_buf [row];
778
779 // sever bottommost line
780 {
781 line_t &l = ROW(row2);
782 l.is_longer (0);
783 l.touch ();
742 } 784 }
743 j = row1, i = count;
744 count = -count;
745 }
746
747 /* C: Resurrect lines */
748 for (; i--; j++)
749 {
750 screen.tlen[j] = 0;
751 screen.text[j] = buf_text[i];
752 screen.rend[j] = buf_rend[i];
753
754 if (!spec) /* line length may not equal TermWin.ncol */
755 scr_blank_screen_mem (screen.text, screen.rend,
756 (unsigned int)j, rstyle);
757 } 785 }
758 786
759 return count; 787 return count;
760} 788}
761 789
762/* ------------------------------------------------------------------------- */ 790/* ------------------------------------------------------------------------- */
763/* 791/*
764 * Add text given in <str> of length <len> to screen struct 792 * Add text given in <str> of length <len> to screen struct
765 */ 793 */
766void 794void ecb_hot
767rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 795rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
768{ 796{
769 unsigned char checksel, clearsel;
770 uint32_t c;
771 int i, row, last_col;
772 text_t *stp;
773 rend_t *srp;
774
775 if (len <= 0) /* sanity */ 797 if (len <= 0) /* sanity */
776 return; 798 return;
777 799
800 bool checksel;
801 unicode_t c;
802 int ncol = this->ncol;
803 const wchar_t *strend = str + len;
804
778 want_refresh = 1; 805 want_refresh = 1;
779 last_col = TermWin.ncol;
780
781 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len));
782 ZERO_SCROLLBACK (); 806 ZERO_SCROLLBACK ();
807
783 if (nlines > 0) 808 if (minlines > 0)
784 { 809 {
785 nlines += (screen.cur.row - screen.bscroll); 810 minlines += screen.cur.row - screen.bscroll;
811 min_it (minlines, screen.cur.row - top_row);
812
786 if ((nlines > 0) 813 if (minlines > 0
787 && (screen.tscroll == 0) 814 && screen.tscroll == 0
788 && (screen.bscroll == (TermWin.nrow - 1))) 815 && screen.bscroll == nrow - 1)
789 { 816 {
790 /* _at least_ this many lines need to be scrolled */ 817 /* _at least_ this many lines need to be scrolled */
791 scr_scroll_text (screen.tscroll, screen.bscroll, nlines, 0); 818 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
792 screen.cur.row -= nlines; 819 screen.cur.row -= minlines;
793 } 820 }
794 } 821 }
795#ifdef DEBUG_STRICT 822
796 assert (screen.cur.col < last_col); 823 assert (screen.cur.col < ncol);
797 assert ((screen.cur.row < TermWin.nrow) 824 assert (screen.cur.row < nrow
798 && (screen.cur.row >= - (int32_t)TermWin.nscrolled)); 825 && screen.cur.row >= top_row);
799#else /* drive with your eyes closed */ 826 int row = screen.cur.row;
800 MIN_IT (screen.cur.col, last_col - 1);
801 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
802 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
803#endif
804 row = screen.cur.row + TermWin.saveLines;
805 827
806 checksel = (selection.op 828 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
807 && current_screen == selection.screen) ? 1 : 0;
808 clearsel = 0;
809 829
810 stp = screen.text[row]; 830 line_t *line = &ROW(row);
811 srp = screen.rend[row];
812 831
813 for (i = 0; i < len;) 832 while (str < strend)
814 { 833 {
815 c = str[i++]; 834 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
816 switch (c) 835
836 if (ecb_unlikely (c < 0x20))
837 if (c == C0_LF)
817 { 838 {
818 case '\t': 839 max_it (line->l, screen.cur.col);
819 scr_tab (1); 840
841 screen.flags &= ~Screen_WrapNext;
842
843 if (screen.cur.row == screen.bscroll)
844 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
845 else if (screen.cur.row < (nrow - 1))
846 row = ++screen.cur.row;
847
848 line = &ROW(row); /* _must_ refresh */
820 continue; 849 continue;
821 case '\n': 850 }
822 if (screen.tlen[row] != -1) /* XXX: think about this */ 851 else if (c == C0_CR)
823 MAX_IT (screen.tlen[row], screen.cur.col); 852 {
824 screen.flags &= ~Screen_WrapNext; 853 max_it (line->l, screen.cur.col);
825 if (screen.cur.row == screen.bscroll) 854
826 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
827 else if (screen.cur.row < (TermWin.nrow - 1))
828 row = (++screen.cur.row) + TermWin.saveLines;
829 stp = screen.text[row]; /* _must_ refresh */
830 srp = screen.rend[row]; /* _must_ refresh */
831 continue;
832 case '\r':
833 if (screen.tlen[row] != -1) /* XXX: think about this */
834 MAX_IT (screen.tlen[row], screen.cur.col);
835 screen.flags &= ~Screen_WrapNext; 855 screen.flags &= ~Screen_WrapNext;
836 screen.cur.col = 0; 856 screen.cur.col = 0;
837 continue; 857 continue;
838 default:
839 if (c == 127)
840 continue; /* yummmm..... */
841 break;
842 } 858 }
859 else if (c == C0_HT)
860 {
861 scr_tab (1, true);
862 continue;
863 }
843 864
865 if (ecb_unlikely (
844 if (checksel /* see if we're writing within selection */ 866 checksel /* see if we're writing within selection */
845 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 867 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
846 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 868 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
869 ))
847 { 870 {
848 checksel = 0; 871 checksel = 0;
849 clearsel = 1;
850 } 872 /*
851 873 * If we wrote anywhere in the selected area, kill the selection
852 if (screen.flags & Screen_WrapNext) 874 * XXX: should we kill the mark too? Possibly, but maybe that
875 * should be a similar check.
876 */
877 CLEAR_SELECTION ();
853 { 878 }
854 screen.tlen[row] = -1;
855 if (screen.cur.row == screen.bscroll)
856 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
857 else if (screen.cur.row < (TermWin.nrow - 1))
858 row = (++screen.cur.row) + TermWin.saveLines;
859 879
860 stp = screen.text[row]; /* _must_ refresh */ 880 if (ecb_unlikely (screen.flags & Screen_WrapNext))
861 srp = screen.rend[row]; /* _must_ refresh */
862 screen.cur.col = 0;
863 screen.flags &= ~Screen_WrapNext;
864 }
865
866 if (screen.flags & Screen_Insert)
867 scr_insdel_chars (1, INSERT);
868
869 if (IS_COMPOSE (c))
870 c = REPLACEMENT_CHAR;
871
872 // rely on wcwidth to tell us the character width, at least for non-latin1
873 // do wcwidth before further replacements, as wcwidth says that line-drawing
874 // characters have width -1 (DOH!) on gnu/linux sometimes.
875 int width = c < 256 ? 1 : wcwidth (c);
876
877 if (charsets[screen.charset] == '0') // DEC SPECIAL
878 switch (c)
879 { 881 {
882 scr_do_wrap ();
883
884 line->l = ncol;
885 line->is_longer (1);
886
887 row = screen.cur.row;
888 line = &ROW(row); /* _must_ refresh */
889 }
890
891 // some utf-8 decoders "decode" surrogate characters: let's fix this.
892 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
893 c = 0xfffd;
894
895 // rely on wcwidth to tell us the character width, do wcwidth before
896 // further replacements, as wcwidth might return -1 for the line
897 // drawing characters below as they might be invalid in the current
898 // locale.
899 int width = WCWIDTH (c);
900
901 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
902 {
880 // vt100 special graphics and line drawing 903 // vt100 special graphics and line drawing
881 case '`': c = 0x25c6; break; case '_': c = 0x0020; break; 904 // 5f-7e standard vt100
882 case 'a': c = 0x2592; break; case 'b': c = 0x2409; break; case 'c': c = 0x240c; break; 905 // 40-5e rxvt extension for extra curses acs chars
883 case 'd': c = 0x240d; break; case 'e': c = 0x240a; break; case 'f': c = 0x00b0; break; 906 static uint16_t vt100_0[62] = { // 41 .. 7e
884 case 'g': c = 0x00b1; break; case 'h': c = 0x2424; break; case 'i': c = 0x240b; break; 907 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
885 case 'j': c = 0x2518; break; case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; 908 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
886 case 'm': c = 0x2514; break; case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; 909 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
887 case 'p': c = 0x23bb; break; case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; 910 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
888 case 's': c = 0x23bd; break; case 't': c = 0x251c; break; case 'u': c = 0x2524; break; 911 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
889 case 'v': c = 0x2534; break; case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; 912 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
890 case 'y': c = 0x2264; break; case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; 913 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
891 case '|': c = 0x2260; break; case '}': c = 0x00a3; break; case '~': c = 0x00b7; break; 914 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
892 } 915 };
916
917 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
918 {
919 c = vt100_0[c - 0x41];
920 width = 1; // vt100 line drawing characters are always single-width
921 }
893 922 }
894 923
924 if (ecb_unlikely (screen.flags & Screen_Insert))
925 scr_insdel_chars (width, INSERT);
926
895 if (width > 0) 927 if (width != 0)
896 { 928 {
897#if !UNICODE_3 929#if !UNICODE_3
898 // trim characters we can't store directly :( 930 // trim characters we can't store directly :(
899 if (c >= 0x10000) 931 if (c >= 0x10000)
932# if ENABLE_COMBINING
900 c = rxvt_composite.compose (c); // map to lower 16 bits 933 c = rxvt_composite.compose (c); // map to lower 16 bits
934# else
935 c = 0xfffd;
901#endif 936# endif
937#endif
938
902 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 939 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
940
941 // if the character doesn't fit into the remaining columns...
942 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
943 {
944 if (screen.flags & Screen_Autowrap)
945 {
946 // ... artificially enlargen the previous one
947 c = NOCHAR;
948 // and try the same character next loop iteration
949 --str;
950 }
951 else
952 screen.cur.col = ncol - width;
953 }
954
955 // nuke the character at this position, if required
956 // due to wonderful coincidences everywhere else in this loop
957 // we never have to check for overwriting a wide char itself,
958 // only its tail.
959 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
960 scr_kill_char (*line, screen.cur.col);
961
962 line->touch ();
903 963
904 do 964 do
905 { 965 {
906 stp[screen.cur.col] = c; 966 line->t[screen.cur.col] = c;
907 srp[screen.cur.col] = rend; 967 line->r[screen.cur.col] = rend;
908 968
909 if (screen.cur.col < last_col - 1) 969 if (ecb_likely (screen.cur.col < ncol - 1))
910 screen.cur.col++; 970 screen.cur.col++;
911 else 971 else
912 { 972 {
913 screen.tlen[row] = last_col; 973 line->l = ncol;
914 if (screen.flags & Screen_Autowrap) 974 if (screen.flags & Screen_Autowrap)
915 screen.flags |= Screen_WrapNext; 975 screen.flags |= Screen_WrapNext;
916 break; 976
977 goto end_of_line;
917 } 978 }
918 979
919 c = NOCHAR; 980 c = NOCHAR;
920 } 981 }
921 while (--width > 0); 982 while (ecb_unlikely (--width > 0));
922 983
923 // pad with spaces when overwriting wide character with smaller one 984 // pad with spaces when overwriting wide character with smaller one
924 for (int c = screen.cur.col; c < last_col && stp[c] == NOCHAR; c++) 985 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
925 { 986 {
926 stp[c] = ' '; 987 line->t[c] = ' ';
927 srp[c] = rend; 988 line->r[c] = rend;
928 } 989 }
990
991end_of_line:
929 } 992 ;
930 else if (width == 0)
931 { 993 }
932#if ENCODING_COMPOSE 994#if ENABLE_COMBINING
933 // handle combining characters 995 else // width == 0
934 // we just tag the accent on the previous on-screen character. 996 {
935 // this is arguably not correct, but also arguably not wrong. 997 if (c != 0xfeff) // ignore BOM
936 // we don't handle double-width characters nicely yet.
937
938 text_t *tp;
939 rend_t *rp;
940
941 if (screen.cur.col > 0)
942 { 998 {
999 // handle combining characters
1000 // we just tag the accent on the previous on-screen character.
1001 // this is arguably not correct, but also arguably not wrong.
1002 // we don't handle double-width characters nicely yet.
1003 line_t *linep;
1004 text_t *tp;
1005 rend_t *rp;
1006
1007 if (screen.cur.col > 0)
1008 {
1009 linep = line;
943 tp = stp + screen.cur.col - 1; 1010 tp = line->t + screen.cur.col - 1;
944 rp = srp + screen.cur.col - 1; 1011 rp = line->r + screen.cur.col - 1;
1012 }
1013 else if (screen.cur.row > 0
1014 && ROW(screen.cur.row - 1).is_longer ())
1015 {
1016 linep = &ROW(screen.cur.row - 1);
1017 tp = linep->t + ncol - 1;
1018 rp = linep->r + ncol - 1;
1019 }
1020 else
1021 continue;
1022
1023 linep->touch ();
1024
1025 while (*tp == NOCHAR && tp > linep->t)
1026 tp--, rp--;
1027
1028 // first try to find a precomposed character
1029 unicode_t n = rxvt_compose (*tp, c);
1030 if (n == NOCHAR)
1031 n = rxvt_composite.compose (*tp, c);
1032
1033 *tp = n;
1034 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
945 } 1035 }
946 else if (screen.cur.row > 0
947 && screen.tlen [screen.cur.row - 1 + TermWin.saveLines] == -1)
948 {
949 tp = screen.text[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
950 rp = screen.rend[screen.cur.row - 1 + TermWin.saveLines] + last_col - 1;
951 } 1036 }
952 else
953 continue;
954
955 // handle double-width-chars by making them look extremely ugly
956 if (*tp == NOCHAR)
957 *tp = ' '; // hack //D //TODO //--tp, --rp;
958
959 // first try to find a precomposed character
960 uint32_t n = rxvt_compose (*tp, c);
961 if (n == NOCHAR)
962 n = rxvt_composite.compose (*tp, c);
963
964 *tp = n;
965 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
966#endif 1037#endif
967 }
968 } 1038 }
969 1039
970 if (screen.tlen[row] != -1) /* XXX: think about this */ 1040 max_it (line->l, screen.cur.col);
971 MAX_IT (screen.tlen[row], screen.cur.col);
972 1041
973 /*
974 * If we wrote anywhere in the selected area, kill the selection
975 * XXX: should we kill the mark too? Possibly, but maybe that
976 * should be a similar check.
977 */
978 if (clearsel)
979 CLEAR_SELECTION ();
980
981#ifdef DEBUG_STRICT
982 assert (screen.cur.row >= 0); 1042 assert (screen.cur.row >= 0);
983#else /* drive with your eyes closed */
984 MAX_IT (screen.cur.row, 0);
985#endif
986} 1043}
987 1044
988/* ------------------------------------------------------------------------- */ 1045/* ------------------------------------------------------------------------- */
989/* 1046/*
990 * Process Backspace. Move back the cursor back a position, wrap if have to 1047 * Process Backspace. Move back the cursor back a position, wrap if have to
991 * XTERM_SEQ: CTRL-H 1048 * XTERM_SEQ: CTRL-H
992 */ 1049 */
993void 1050void
994rxvt_term::scr_backspace () 1051rxvt_term::scr_backspace () noexcept
995{ 1052{
996 want_refresh = 1;
997 if (screen.cur.col == 0) 1053 if (screen.cur.col == 0)
998 { 1054 {
999 if (screen.cur.row > 0) 1055 if (screen.cur.row > 0)
1000 { 1056 {
1001#ifdef TERMCAP_HAS_BW 1057#ifdef TERMCAP_HAS_BW
1002 screen.cur.col = TermWin.ncol - 1; 1058 screen.cur.col = ncol - 1;
1003 screen.cur.row--; 1059 --screen.cur.row;
1004 return;
1005#endif
1006 1060
1061 want_refresh = 1;
1062#endif
1007 } 1063 }
1008 } 1064 }
1009 else if ((screen.flags & Screen_WrapNext) == 0) 1065 else if (screen.flags & Screen_WrapNext)
1066 screen.flags &= ~Screen_WrapNext;
1067 else
1010 scr_gotorc (0, -1, RELATIVE); 1068 scr_gotorc (0, -1, RELATIVE);
1011 screen.flags &= ~Screen_WrapNext;
1012} 1069}
1013 1070
1014/* ------------------------------------------------------------------------- */ 1071/* ------------------------------------------------------------------------- */
1015/* 1072/*
1016 * Process Horizontal Tab 1073 * Process Horizontal Tab
1017 * count: +ve = forward; -ve = backwards 1074 * count: +ve = forward; -ve = backwards
1018 * XTERM_SEQ: CTRL-I 1075 * XTERM_SEQ: CTRL-I
1019 */ 1076 */
1020void 1077void
1021rxvt_term::scr_tab (int count) 1078rxvt_term::scr_tab (int count, bool ht) noexcept
1022{ 1079{
1023 int i, x; 1080 int i, x;
1024 1081
1025 D_SCREEN ((stderr, "rxvt_scr_tab (%d)", count));
1026 want_refresh = 1; 1082 want_refresh = 1;
1027 i = x = screen.cur.col; 1083 i = x = screen.cur.col;
1084
1028 if (count == 0) 1085 if (count == 0)
1029 return; 1086 return;
1030 else if (count > 0) 1087 else if (count > 0)
1031 { 1088 {
1089 line_t &l = ROW(screen.cur.row);
1090 rend_t base_rend = l.r[i];
1091 ht &= l.t[i] == ' ';
1092
1032 for (; ++i < TermWin.ncol; ) 1093 for (; ++i < ncol; )
1033 if (tabs[i]) 1094 if (tabs[i])
1034 { 1095 {
1035 x = i; 1096 x = i;
1097
1036 if (!--count) 1098 if (!--count)
1037 break; 1099 break;
1038 } 1100 }
1101 else
1102 ht &= l.t[i] == ' '
1103 && RS_SAME (l.r[i], base_rend);
1104
1039 if (count) 1105 if (count)
1040 x = TermWin.ncol - 1; 1106 x = ncol - 1;
1107
1108 // store horizontal tab commands as characters inside the text
1109 // buffer so they can be selected and pasted.
1110 if (ht && option (Opt_pastableTabs))
1111 {
1112 base_rend = SET_FONT (base_rend, 0);
1113
1114 l.touch (x);
1115
1116 i = screen.cur.col;
1117
1118 l.t[i] = '\t';
1119 l.r[i] = base_rend;
1120
1121 while (++i < x)
1122 {
1123 l.t[i] = NOCHAR;
1124 l.r[i] = base_rend;
1125 }
1126 }
1041 } 1127 }
1042 else /* if (count < 0) */ 1128 else /* if (count < 0) */
1043 { 1129 {
1044 for (; --i >= 0; ) 1130 for (; --i >= 0; )
1045 if (tabs[i]) 1131 if (tabs[i])
1046 { 1132 {
1047 x = i; 1133 x = i;
1048 if (!++count) 1134 if (!++count)
1049 break; 1135 break;
1050 } 1136 }
1137
1051 if (count) 1138 if (count)
1052 x = 0; 1139 x = 0;
1053 } 1140 }
1141
1054 if (x != screen.cur.col) 1142 if (x != screen.cur.col)
1055 scr_gotorc (0, x, R_RELATIVE); 1143 scr_gotorc (0, x, R_RELATIVE);
1056} 1144}
1057 1145
1058/* ------------------------------------------------------------------------- */ 1146/* ------------------------------------------------------------------------- */
… …
1060 * Process DEC Back Index 1148 * Process DEC Back Index
1061 * XTERM_SEQ: ESC 6 1149 * XTERM_SEQ: ESC 6
1062 * Move cursor left in row. If we're at the left boundary, shift everything 1150 * Move cursor left in row. If we're at the left boundary, shift everything
1063 * in that row right. Clear left column. 1151 * in that row right. Clear left column.
1064 */ 1152 */
1065#ifndef NO_FRILLS 1153#if !ENABLE_MINIMAL
1066void 1154void ecb_cold
1067rxvt_term::scr_backindex () 1155rxvt_term::scr_backindex () noexcept
1068{ 1156{
1069 if (screen.cur.col > 0) 1157 if (screen.cur.col > 0)
1070 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1158 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1071 else 1159 else
1072 {
1073 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1074 return; /* um, yeah? */
1075 scr_insdel_chars (1, INSERT); 1160 scr_insdel_chars (1, INSERT);
1076 }
1077} 1161}
1078#endif 1162#endif
1079/* ------------------------------------------------------------------------- */ 1163/* ------------------------------------------------------------------------- */
1080/* 1164/*
1081 * Process DEC Forward Index 1165 * Process DEC Forward Index
1082 * XTERM_SEQ: ESC 9 1166 * XTERM_SEQ: ESC 9
1083 * Move cursor right in row. If we're at the right boundary, shift everything 1167 * Move cursor right in row. If we're at the right boundary, shift everything
1084 * in that row left. Clear right column. 1168 * in that row left. Clear right column.
1085 */ 1169 */
1086#ifndef NO_FRILLS 1170#if !ENABLE_MINIMAL
1087void 1171void ecb_cold
1088rxvt_term::scr_forwardindex () 1172rxvt_term::scr_forwardindex () noexcept
1089{ 1173{
1090 int row;
1091
1092 if (screen.cur.col < TermWin.ncol - 1) 1174 if (screen.cur.col < ncol - 1)
1093 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1175 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1094 else 1176 else
1095 { 1177 {
1096 row = screen.cur.row + TermWin.saveLines; 1178 line_t &l = ROW(screen.cur.row);
1097 if (screen.tlen[row] == 0) 1179
1098 return; /* um, yeah? */ 1180 l.touch ();
1099 else if (screen.tlen[row] == -1) 1181 l.is_longer (0);
1100 screen.tlen[row] = TermWin.ncol; 1182
1101 scr_gotorc (0, 0, R_RELATIVE); 1183 scr_gotorc (0, 0, R_RELATIVE);
1102 scr_insdel_chars (1, DELETE); 1184 scr_insdel_chars (1, DELETE);
1103 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1185 scr_gotorc (0, ncol - 1, R_RELATIVE);
1104 } 1186 }
1105} 1187}
1106#endif 1188#endif
1107 1189
1108/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1109/* 1191/*
1110 * Goto Row/Column 1192 * Goto Row/Column
1111 */ 1193 */
1112void 1194void
1113rxvt_term::scr_gotorc (int row, int col, int relative) 1195rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1114{ 1196{
1115 want_refresh = 1; 1197 want_refresh = 1;
1116 ZERO_SCROLLBACK (); 1198 ZERO_SCROLLBACK ();
1117 1199
1118 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));
1119
1120 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1200 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1121 : col); 1201 clamp_it (screen.cur.col, 0, ncol - 1);
1122 MAX_IT (screen.cur.col, 0);
1123 MIN_IT (screen.cur.col, (int32_t)TermWin.ncol - 1);
1124 1202
1125 screen.flags &= ~Screen_WrapNext; 1203 screen.flags &= ~Screen_WrapNext;
1204
1126 if (relative & R_RELATIVE) 1205 if (relative & R_RELATIVE)
1127 { 1206 {
1128 if (row > 0) 1207 if (row > 0)
1129 { 1208 {
1130 if (screen.cur.row <= screen.bscroll 1209 if (screen.cur.row <= screen.bscroll
… …
1143 } 1222 }
1144 } 1223 }
1145 else 1224 else
1146 { 1225 {
1147 if (screen.flags & Screen_Relative) 1226 if (screen.flags & Screen_Relative)
1227 {
1148 { /* relative origin mode */ 1228 /* relative origin mode */
1149 screen.cur.row = row + screen.tscroll; 1229 screen.cur.row = row + screen.tscroll;
1150 MIN_IT (screen.cur.row, screen.bscroll); 1230 min_it (screen.cur.row, screen.bscroll);
1151 } 1231 }
1152 else 1232 else
1153 screen.cur.row = row; 1233 screen.cur.row = row;
1154 } 1234 }
1155 MAX_IT (screen.cur.row, 0);
1156 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
1157 1235
1158 while (screen.cur.col > 0 1236 clamp_it (screen.cur.row, 0, nrow - 1);
1159 && screen.text[screen.cur.row + TermWin.saveLines][screen.cur.col] == NOCHAR)
1160 screen.cur.col--;
1161} 1237}
1162 1238
1163/* ------------------------------------------------------------------------- */ 1239/* ------------------------------------------------------------------------- */
1164/* 1240/*
1165 * direction should be UP or DN 1241 * direction should be UP or DN
1166 */ 1242 */
1167void 1243void
1168rxvt_term::scr_index (enum page_dirn direction) 1244rxvt_term::scr_index (enum page_dirn direction) noexcept
1169{ 1245{
1170 int dirn;
1171
1172 want_refresh = 1; 1246 want_refresh = 1;
1173 dirn = ((direction == UP) ? 1 : -1);
1174 D_SCREEN ((stderr, "rxvt_scr_index (%d)", dirn));
1175
1176 ZERO_SCROLLBACK (); 1247 ZERO_SCROLLBACK ();
1177 1248
1178 screen.flags &= ~Screen_WrapNext; 1249 screen.flags &= ~Screen_WrapNext;
1250
1179 if ((screen.cur.row == screen.bscroll && direction == UP) 1251 if ((screen.cur.row == screen.bscroll && direction == UP)
1180 || (screen.cur.row == screen.tscroll && direction == DN)) 1252 || (screen.cur.row == screen.tscroll && direction == DN))
1181 scr_scroll_text (screen.tscroll, screen.bscroll, dirn, 0); 1253 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1182 else 1254 else
1183 screen.cur.row += dirn; 1255 screen.cur.row += direction;
1184 MAX_IT (screen.cur.row, 0); 1256
1185 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1); 1257 clamp_it (screen.cur.row, 0, nrow - 1);
1186 selection_check (0); 1258 selection_check (0);
1187} 1259}
1188 1260
1189/* ------------------------------------------------------------------------- */ 1261/* ------------------------------------------------------------------------- */
1190/* 1262/*
1191 * Erase part or whole of a line 1263 * Erase part or whole of a line
1192 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1264 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1193 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1265 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1194 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1266 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1267 * extension: clear to right unless wrapped: ESC [ 3 K
1195 */ 1268 */
1196void 1269void
1197rxvt_term::scr_erase_line (int mode) 1270rxvt_term::scr_erase_line (int mode) noexcept
1198{ 1271{
1199 unsigned int row, col, num; 1272 unsigned int col, num;
1200 1273
1201 want_refresh = 1; 1274 want_refresh = 1;
1202 D_SCREEN ((stderr, "rxvt_scr_erase_line (%d) at screen row: %d", mode, screen.cur.row));
1203 ZERO_SCROLLBACK (); 1275 ZERO_SCROLLBACK ();
1204 1276
1205 selection_check (1); 1277 selection_check (1);
1206 1278
1207 screen.flags &= ~Screen_WrapNext; 1279 line_t &line = ROW(screen.cur.row);
1208 1280
1209 row = TermWin.saveLines + screen.cur.row; 1281 line.touch ();
1282 line.is_longer (0);
1283
1210 switch (mode) 1284 switch (mode)
1211 { 1285 {
1286 case 3:
1287 if (screen.flags & Screen_WrapNext)
1288 return;
1289
1290 /* fall through */
1291
1212 case 0: /* erase to end of line */ 1292 case 0: /* erase to end of line */
1213 col = screen.cur.col; 1293 col = screen.cur.col;
1214 num = TermWin.ncol - col; 1294 num = ncol - col;
1215 MIN_IT (screen.tlen[row], (int16_t)col); 1295 min_it (line.l, col);
1296
1216 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur) 1297 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1217 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur)) 1298 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1218 CLEAR_SELECTION (); 1299 CLEAR_SELECTION ();
1219 break; 1300 break;
1301
1220 case 1: /* erase to beginning of line */ 1302 case 1: /* erase to beginning of line */
1221 col = 0; 1303 col = 0;
1222 num = screen.cur.col + 1; 1304 num = screen.cur.col + 1;
1305
1223 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur) 1306 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1224 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur)) 1307 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1225 CLEAR_SELECTION (); 1308 CLEAR_SELECTION ();
1226 break; 1309 break;
1310
1227 case 2: /* erase whole line */ 1311 case 2: /* erase whole line */
1228 col = 0; 1312 col = 0;
1229 num = TermWin.ncol; 1313 num = ncol;
1230 screen.tlen[row] = 0; 1314 line.l = 0;
1231 if (selection.beg.row <= screen.cur.row 1315 if (selection.beg.row <= screen.cur.row
1232 && selection.end.row >= screen.cur.row) 1316 && selection.end.row >= screen.cur.row)
1233 CLEAR_SELECTION (); 1317 CLEAR_SELECTION ();
1234 break; 1318 break;
1235 default: 1319 default:
1236 return; 1320 return;
1237 } 1321 }
1238 1322
1239 if (screen.text[row]) 1323 scr_blank_line (line, col, num, rstyle);
1240 scr_blank_line (& (screen.text[row][col]),
1241 & (screen.rend[row][col]), num, rstyle);
1242 else
1243 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1244} 1324}
1245 1325
1246/* ------------------------------------------------------------------------- */ 1326/* ------------------------------------------------------------------------- */
1247/* 1327/*
1248 * Erase part of whole of the screen 1328 * Erase part or whole of the screen
1249 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1329 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1250 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1330 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1251 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1331 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1252 */ 1332 */
1253void 1333void
1254rxvt_term::scr_erase_screen (int mode) 1334rxvt_term::scr_erase_screen (int mode) noexcept
1255{ 1335{
1256 int num; 1336 int num;
1257 int32_t row, row_offset; 1337 int32_t row;
1258 rend_t ren; 1338 rend_t ren;
1259 XGCValues gcvalue; 1339 XGCValues gcvalue;
1260 1340
1261 want_refresh = 1; 1341 want_refresh = 1;
1262 D_SCREEN ((stderr, "rxvt_scr_erase_screen (%d) at screen row: %d", mode, screen.cur.row));
1263 ZERO_SCROLLBACK (); 1342 ZERO_SCROLLBACK ();
1264 row_offset = (int32_t)TermWin.saveLines;
1265 1343
1266 switch (mode) 1344 switch (mode)
1267 { 1345 {
1268 case 0: /* erase to end of screen */ 1346 case 0: /* erase to end of screen */
1269 selection_check (1);
1270 scr_erase_line (0); 1347 scr_erase_line (0);
1271 row = screen.cur.row + 1; /* possible OOB */ 1348 row = screen.cur.row + 1; /* possible OOB */
1272 num = TermWin.nrow - row; 1349 num = nrow - row;
1273 break; 1350 break;
1274 case 1: /* erase to beginning of screen */ 1351 case 1: /* erase to beginning of screen */
1275 selection_check (3);
1276 scr_erase_line (1); 1352 scr_erase_line (1);
1277 row = 0; 1353 row = 0;
1278 num = screen.cur.row; 1354 num = screen.cur.row;
1279 break; 1355 break;
1280 case 2: /* erase whole screen */ 1356 case 2: /* erase whole screen */
1281 selection_check (3);
1282 row = 0; 1357 row = 0;
1283 num = TermWin.nrow; 1358 num = nrow;
1284 break; 1359 break;
1285 default: 1360 default:
1286 return; 1361 return;
1287 } 1362 }
1288 refresh_type |= REFRESH_BOUNDS; 1363
1289 if (selection.op && current_screen == selection.screen 1364 if (selection.op && current_screen == selection.screen
1290 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1365 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1291 || (selection.end.row >= row 1366 || (selection.end.row >= row
1292 && selection.end.row <= row + num))) 1367 && selection.end.row <= row + num)))
1293 CLEAR_SELECTION (); 1368 CLEAR_SELECTION ();
1369
1294 if (row >= TermWin.nrow) /* Out Of Bounds */ 1370 if (row >= nrow) /* Out Of Bounds */
1295 return; 1371 return;
1296 MIN_IT (num, (TermWin.nrow - row)); 1372
1373 min_it (num, nrow - row);
1374
1297 if (rstyle & (RS_RVid | RS_Uline)) 1375 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1298 ren = (rend_t) ~RS_None; 1376 ren = (rend_t) ~RS_None;
1299 else if (GET_BASEBG (rstyle) == Color_bg) 1377 else if (GET_BASEBG (rstyle) == Color_bg)
1300 { 1378 {
1301 ren = DEFAULT_RSTYLE; 1379 ren = DEFAULT_RSTYLE;
1302 CLEAR_ROWS (row, num); 1380
1381 if (mapped)
1382 XClearArea (dpy, vt, 0,
1383 Row2Pixel (row - view_start), (unsigned int)vt_width,
1384 (unsigned int)Height2Pixel (num), False);
1303 } 1385 }
1304 else 1386 else
1305 { 1387 {
1306 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1388 ren = rstyle & (RS_fgMask | RS_bgMask);
1389
1390 if (mapped)
1391 {
1307 gcvalue.foreground = PixColors[GET_BGCOLOR (rstyle)]; 1392 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1308 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1309 ERASE_ROWS (row, num); 1394 XFillRectangle (dpy, vt, gc,
1395 0, Row2Pixel (row - view_start),
1396 (unsigned int)vt_width,
1397 (unsigned int)Height2Pixel (num));
1310 gcvalue.foreground = PixColors[Color_fg]; 1398 gcvalue.foreground = pix_colors[Color_fg];
1311 XChangeGC (display->display, TermWin.gc, GCForeground, &gcvalue); 1399 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1400 }
1312 } 1401 }
1402
1313 for (; num--; row++) 1403 for (; num--; row++)
1314 { 1404 {
1315 scr_blank_screen_mem (screen.text, screen.rend, 1405 scr_blank_screen_mem (ROW(row), rstyle);
1316 (unsigned int) (row + row_offset), rstyle); 1406
1317 screen.tlen[row + row_offset] = 0; 1407 if (row - view_start < nrow)
1318 scr_blank_line (drawn_text[row], drawn_rend[row], 1408 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1319 (unsigned int)TermWin.ncol, ren);
1320 } 1409 }
1321} 1410}
1411
1412#if !ENABLE_MINIMAL
1413void
1414rxvt_term::scr_erase_savelines () noexcept
1415{
1416 want_refresh = 1;
1417 ZERO_SCROLLBACK ();
1418
1419 top_row = 0;
1420}
1421#endif
1322 1422
1323/* ------------------------------------------------------------------------- */ 1423/* ------------------------------------------------------------------------- */
1324/* 1424/*
1325 * Fill the screen with `E's 1425 * Fill the screen with `E's
1326 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1426 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1327 */ 1427 */
1328void 1428void ecb_cold
1329rxvt_term::scr_E () 1429rxvt_term::scr_E () noexcept
1330{ 1430{
1331 int i, j, k; 1431 rend_t fs;
1332 rend_t *r1, fs;
1333 1432
1334 want_refresh = 1; 1433 want_refresh = 1;
1434 ZERO_SCROLLBACK ();
1435
1335 num_scr_allow = 0; 1436 num_scr_allow = 0;
1336 ZERO_SCROLLBACK ();
1337 selection_check (3);
1338 1437
1438 row_col_t pos;
1439 pos.row = pos.col = 0;
1440 if (ROWCOL_IS_AFTER (selection.end, pos))
1441 CLEAR_SELECTION ();
1442
1339 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1443 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1340 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) 1444 for (int row = nrow; row--; )
1341 { 1445 {
1342 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1446 line_t &line = ROW(row);
1447
1343 fill_text (screen.text[k], 'E', TermWin.ncol); 1448 fill_text (line.t, 'E', ncol);
1344 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1449 rend_t *r1 = line.r;
1450
1451 for (int j = ncol; j--; )
1345 *r1++ = fs; 1452 *r1++ = fs;
1453
1454 line.is_longer (0);
1455 line.touch (ncol);
1346 } 1456 }
1347} 1457}
1348 1458
1349/* ------------------------------------------------------------------------- */ 1459/* ------------------------------------------------------------------------- */
1350/* 1460/*
1351 * Insert/Delete <count> lines 1461 * Insert/Delete <count> lines
1352 */ 1462 */
1353void 1463void
1354rxvt_term::scr_insdel_lines (int count, int insdel) 1464rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1355{ 1465{
1356 int end; 1466 int end;
1357 1467
1358 ZERO_SCROLLBACK (); 1468 ZERO_SCROLLBACK ();
1359 1469
1360 selection_check (1); 1470 selection_check (1);
1361 1471
… …
1368 if (insdel == DELETE) 1478 if (insdel == DELETE)
1369 return; 1479 return;
1370 else if (insdel == INSERT) 1480 else if (insdel == INSERT)
1371 count = end; 1481 count = end;
1372 } 1482 }
1373 screen.flags &= ~Screen_WrapNext;
1374 1483
1484 scr_do_wrap ();
1485
1375 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count, 0); 1486 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1376} 1487}
1377 1488
1378/* ------------------------------------------------------------------------- */ 1489/* ------------------------------------------------------------------------- */
1379/* 1490/*
1380 * Insert/Delete <count> characters from the current position 1491 * Insert/Delete <count> characters from the current position
1381 */ 1492 */
1382void 1493void
1383rxvt_term::scr_insdel_chars (int count, int insdel) 1494rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1384{ 1495{
1385 int col, row;
1386 rend_t tr;
1387 text_t *stp;
1388 rend_t *srp;
1389 int16_t *slp;
1390
1391 want_refresh = 1; 1496 want_refresh = 1;
1392 ZERO_SCROLLBACK (); 1497 ZERO_SCROLLBACK ();
1393 1498
1394 if (count <= 0) 1499 if (count <= 0)
1395 return; 1500 return;
1396 1501
1502 scr_do_wrap ();
1503
1397 selection_check (1); 1504 selection_check (1);
1398 MIN_IT (count, (TermWin.ncol - screen.cur.col)); 1505 min_it (count, ncol - screen.cur.col);
1399 1506
1400 row = screen.cur.row + TermWin.saveLines; 1507 int row = screen.cur.row;
1401 screen.flags &= ~Screen_WrapNext;
1402 1508
1403 stp = screen.text[row]; 1509 line_t *line = &ROW(row);
1404 srp = screen.rend[row]; 1510
1405 slp = & (screen.tlen[row]); 1511 line->touch ();
1512 line->is_longer (0);
1513
1514 // nuke wide spanning the start
1515 if (line->t[screen.cur.col] == NOCHAR)
1516 scr_kill_char (*line, screen.cur.col);
1517
1406 switch (insdel) 1518 switch (insdel)
1407 { 1519 {
1408 case INSERT: 1520 case INSERT:
1409 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1521 line->l = min (line->l + count, ncol);
1410 col--) 1522
1523 if (line->t[screen.cur.col] == NOCHAR)
1524 scr_kill_char (*line, screen.cur.col);
1525
1526 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1411 { 1527 {
1412 stp[col] = stp[col - count]; 1528 line->t[col] = line->t[col - count];
1413 srp[col] = srp[col - count]; 1529 line->r[col] = line->r[col - count];
1414 } 1530 }
1415 if (*slp != -1) 1531
1416 {
1417 *slp += count;
1418 MIN_IT (*slp, TermWin.ncol);
1419 }
1420 if (selection.op && current_screen == selection.screen 1532 if (selection.op && current_screen == selection.screen
1421 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1533 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1422 { 1534 {
1423 if (selection.end.row != screen.cur.row 1535 if (selection.end.row != screen.cur.row
1424 || (selection.end.col + count >= TermWin.ncol)) 1536 || (selection.end.col + count >= ncol))
1425 CLEAR_SELECTION (); 1537 CLEAR_SELECTION ();
1426 else 1538 else
1539 {
1427 { /* shift selection */ 1540 /* shift selection */
1428 selection.beg.col += count; 1541 selection.beg.col += count;
1429 selection.mark.col += count; /* XXX: yes? */ 1542 selection.mark.col += count; /* XXX: yes? */
1430 selection.end.col += count; 1543 selection.end.col += count;
1431 } 1544 }
1432 } 1545 }
1433 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]), 1546
1434 (unsigned int)count, rstyle); 1547 scr_blank_line (*line, screen.cur.col, count, rstyle);
1435 break; 1548 break;
1549
1436 case ERASE: 1550 case ERASE:
1437 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1551 screen.cur.col += count; /* don't worry if > ncol */
1438 selection_check (1); 1552 selection_check (1);
1439 screen.cur.col -= count; 1553 screen.cur.col -= count;
1440 scr_blank_line (& (stp[screen.cur.col]), & (srp[screen.cur.col]), 1554
1441 (unsigned int)count, rstyle); 1555 // nuke wide char after the end
1556 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1557 scr_kill_char (*line, screen.cur.col + count);
1558
1559 scr_blank_line (*line, screen.cur.col, count, rstyle);
1442 break; 1560 break;
1561
1443 case DELETE: 1562 case DELETE:
1444 tr = srp[TermWin.ncol - 1] 1563 line->l = max (line->l - count, 0);
1445 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1564
1565 // nuke wide char spanning the end
1566 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1567 scr_kill_char (*line, screen.cur.col + count);
1568
1446 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) 1569 for (int col = screen.cur.col; (col + count) < ncol; col++)
1447 { 1570 {
1448 stp[col] = stp[col + count]; 1571 line->t[col] = line->t[col + count];
1449 srp[col] = srp[col + count]; 1572 line->r[col] = line->r[col + count];
1450 } 1573 }
1451 scr_blank_line (& (stp[TermWin.ncol - count]), 1574
1452 & (srp[TermWin.ncol - count]), 1575 scr_blank_line (*line, ncol - count, count, rstyle);
1453 (unsigned int)count, tr); 1576
1454 if (*slp == -1) /* break line continuation */
1455 *slp = TermWin.ncol;
1456 *slp -= count;
1457 MAX_IT (*slp, 0);
1458 if (selection.op && current_screen == selection.screen 1577 if (selection.op && current_screen == selection.screen
1459 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)) 1578 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1460 { 1579 {
1461 if (selection.end.row != screen.cur.row 1580 if (selection.end.row != screen.cur.row
1462 || (screen.cur.col >= selection.beg.col - count) 1581 || (screen.cur.col >= selection.beg.col - count)
1463 || selection.end.col >= TermWin.ncol) 1582 || selection.end.col >= ncol)
1464 CLEAR_SELECTION (); 1583 CLEAR_SELECTION ();
1465 else 1584 else
1466 { 1585 {
1467 /* shift selection */ 1586 /* shift selection */
1468 selection.beg.col -= count; 1587 selection.beg.col -= count;
1469 selection.mark.col -= count; /* XXX: yes? */ 1588 selection.mark.col -= count; /* XXX: yes? */
1470 selection.end.col -= count; 1589 selection.end.col -= count;
1471 } 1590 }
1472 } 1591 }
1592
1473 break; 1593 break;
1474 } 1594 }
1475} 1595}
1476 1596
1477/* ------------------------------------------------------------------------- */ 1597/* ------------------------------------------------------------------------- */
1478/* 1598/*
1479 * Set the scrolling region 1599 * Set the scrolling region
1480 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1600 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1481 */ 1601 */
1482void 1602void ecb_cold
1483rxvt_term::scr_scroll_region (int top, int bot) 1603rxvt_term::scr_scroll_region (int top, int bot) noexcept
1484{ 1604{
1485 MAX_IT (top, 0); 1605 max_it (top, 0);
1486 MIN_IT (bot, (int)TermWin.nrow - 1); 1606 min_it (bot, nrow - 1);
1607
1487 if (top > bot) 1608 if (top > bot)
1488 return; 1609 return;
1610
1489 screen.tscroll = top; 1611 screen.tscroll = top;
1490 screen.bscroll = bot; 1612 screen.bscroll = bot;
1491 scr_gotorc (0, 0, 0); 1613 scr_gotorc (0, 0, 0);
1492} 1614}
1493 1615
… …
1495/* 1617/*
1496 * Make the cursor visible/invisible 1618 * Make the cursor visible/invisible
1497 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1619 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1498 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1620 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1499 */ 1621 */
1500void 1622void ecb_cold
1501rxvt_term::scr_cursor_visible (int mode) 1623rxvt_term::scr_cursor_visible (int mode) noexcept
1502{ 1624{
1503 want_refresh = 1; 1625 want_refresh = 1;
1626
1504 if (mode) 1627 if (mode)
1505 screen.flags |= Screen_VisibleCursor; 1628 screen.flags |= Screen_VisibleCursor;
1506 else 1629 else
1507 screen.flags &= ~Screen_VisibleCursor; 1630 screen.flags &= ~Screen_VisibleCursor;
1508} 1631}
… …
1511/* 1634/*
1512 * Set/unset automatic wrapping 1635 * Set/unset automatic wrapping
1513 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1636 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1514 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1637 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1515 */ 1638 */
1516void 1639void ecb_cold
1517rxvt_term::scr_autowrap (int mode) 1640rxvt_term::scr_autowrap (int mode) noexcept
1518{ 1641{
1519 if (mode) 1642 if (mode)
1520 screen.flags |= Screen_Autowrap; 1643 screen.flags |= Screen_Autowrap;
1521 else 1644 else
1522 screen.flags &= ~ (Screen_Autowrap | Screen_WrapNext); 1645 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1523} 1646}
1524 1647
1525/* ------------------------------------------------------------------------- */ 1648/* ------------------------------------------------------------------------- */
1526/* 1649/*
1527 * Set/unset margin origin mode 1650 * Set/unset margin origin mode
… …
1530 * Relative mode: line numbers are relative to top margin of scrolling region 1653 * Relative mode: line numbers are relative to top margin of scrolling region
1531 * and the cursor cannot be moved outside. 1654 * and the cursor cannot be moved outside.
1532 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1655 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1533 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1656 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1534 */ 1657 */
1535void 1658void ecb_cold
1536rxvt_term::scr_relative_origin (int mode) 1659rxvt_term::scr_relative_origin (int mode) noexcept
1537{ 1660{
1538 if (mode) 1661 if (mode)
1539 screen.flags |= Screen_Relative; 1662 screen.flags |= Screen_Relative;
1540 else 1663 else
1541 screen.flags &= ~Screen_Relative; 1664 screen.flags &= ~Screen_Relative;
1665
1542 scr_gotorc (0, 0, 0); 1666 scr_gotorc (0, 0, 0);
1543} 1667}
1544 1668
1545/* ------------------------------------------------------------------------- */ 1669/* ------------------------------------------------------------------------- */
1546/* 1670/*
1547 * Set insert/replace mode 1671 * Set insert/replace mode
1548 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1672 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1549 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1673 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1550 */ 1674 */
1551void 1675void ecb_cold
1552rxvt_term::scr_insert_mode (int mode) 1676rxvt_term::scr_insert_mode (int mode) noexcept
1553{ 1677{
1554 if (mode) 1678 if (mode)
1555 screen.flags |= Screen_Insert; 1679 screen.flags |= Screen_Insert;
1556 else 1680 else
1557 screen.flags &= ~Screen_Insert; 1681 screen.flags &= ~Screen_Insert;
… …
1562 * Set/Unset tabs 1686 * Set/Unset tabs
1563 * XTERM_SEQ: Set tab at current column : ESC H 1687 * XTERM_SEQ: Set tab at current column : ESC H
1564 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1688 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1565 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1689 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1566 */ 1690 */
1567void 1691void ecb_cold
1568rxvt_term::scr_set_tab (int mode) 1692rxvt_term::scr_set_tab (int mode) noexcept
1569{ 1693{
1570 if (mode < 0) 1694 if (mode < 0)
1571 MEMSET (tabs, 0, TermWin.ncol * sizeof (char)); 1695 memset (tabs, 0, ncol);
1572 else if (screen.cur.col < TermWin.ncol) 1696 else if (screen.cur.col < ncol)
1573 tabs[screen.cur.col] = (mode ? 1 : 0); 1697 tabs [screen.cur.col] = !!mode;
1574} 1698}
1575 1699
1576/* ------------------------------------------------------------------------- */ 1700/* ------------------------------------------------------------------------- */
1577/* 1701/*
1578 * Set reverse/normal video 1702 * Set reverse/normal video
1579 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1703 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1580 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1704 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1581 */ 1705 */
1582void 1706void
1583rxvt_term::scr_rvideo_mode (int mode) 1707rxvt_term::scr_rvideo_mode (bool on) noexcept
1584{ 1708{
1709 rvideo_mode = on;
1710
1711#ifndef NO_BELL
1712 on ^= rvideo_bell;
1713#endif
1714
1715 if (rvideo_state != on)
1716 {
1717 rvideo_state = on;
1718
1719#if OFF_FOCUS_FADING
1720 if (rs[Rs_fade])
1721 {
1722 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1723 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1724 }
1725 else
1726#endif
1727 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1728#ifdef HAVE_IMG
1729 if (bg_img == 0)
1730#endif
1731 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1732
1585 XGCValues gcvalue; 1733 XGCValues gcvalue;
1586
1587 if (rvideo != mode)
1588 {
1589 rvideo = mode;
1590 SWAP_IT (PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1591#if defined(XPM_BACKGROUND)
1592 if (bgPixmap.pixmap == None)
1593#endif
1594#if defined(TRANSPARENT)
1595 if (! (Options & Opt_transparent) || am_transparent == 0)
1596#endif
1597 XSetWindowBackground (display->display, TermWin.vt,
1598 PixColors[Color_bg]);
1599
1600 gcvalue.foreground = PixColors[Color_fg]; 1734 gcvalue.foreground = pix_colors[Color_fg];
1601 gcvalue.background = PixColors[Color_bg]; 1735 gcvalue.background = pix_colors[Color_bg];
1602 XChangeGC (display->display, TermWin.gc, GCBackground | GCForeground, 1736 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1603 &gcvalue); 1737
1604 scr_clear (); 1738 scr_clear ();
1605 scr_touch (true); 1739 scr_touch (true);
1606 } 1740 }
1607} 1741}
1608 1742
1609/* ------------------------------------------------------------------------- */ 1743/* ------------------------------------------------------------------------- */
1610/* 1744/*
1611 * Report current cursor position 1745 * Report current cursor position
1612 * XTERM_SEQ: Report position: ESC [ 6 n 1746 * XTERM_SEQ: Report position: ESC [ 6 n
1613 */ 1747 */
1614void 1748void ecb_cold
1615rxvt_term::scr_report_position () 1749rxvt_term::scr_report_position () noexcept
1616{ 1750{
1617 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1751 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1618} 1752}
1619 1753
1620/* ------------------------------------------------------------------------- * 1754/* ------------------------------------------------------------------------- *
… …
1622 * ------------------------------------------------------------------------- */ 1756 * ------------------------------------------------------------------------- */
1623 1757
1624/* 1758/*
1625 * Set font style 1759 * Set font style
1626 */ 1760 */
1627void 1761void ecb_cold
1628rxvt_term::set_font_style () 1762rxvt_term::set_font_style () noexcept
1629{ 1763{
1764#if 0
1630 switch (charsets[screen.charset]) 1765 switch (charsets [screen.charset])
1631 { 1766 {
1632 case '0': /* DEC Special Character & Line Drawing Set */ 1767 case '0': /* DEC Special Character & Line Drawing Set */
1633 break; 1768 break;
1634 case 'A': /* United Kingdom (UK) */ 1769 case 'A': /* United Kingdom (UK) */
1635 break; 1770 break;
… …
1642 case 'C': /* Finnish character set */ 1777 case 'C': /* Finnish character set */
1643 break; 1778 break;
1644 case 'K': /* German character set */ 1779 case 'K': /* German character set */
1645 break; 1780 break;
1646 } 1781 }
1782#endif
1647} 1783}
1648 1784
1649/* ------------------------------------------------------------------------- */ 1785/* ------------------------------------------------------------------------- */
1650/* 1786/*
1651 * Choose a font 1787 * Choose a font
1652 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1788 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1653 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1789 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1654 * XTERM_SEQ: Invoke G2 character set: ESC N 1790 * XTERM_SEQ: Invoke G2 character set: ESC N
1655 * XTERM_SEQ: Invoke G3 character set: ESC O 1791 * XTERM_SEQ: Invoke G3 character set: ESC O
1656 */ 1792 */
1657void 1793void ecb_cold
1658rxvt_term::scr_charset_choose (int set) 1794rxvt_term::scr_charset_choose (int set) noexcept
1659 { 1795{
1660 screen.charset = set; 1796 screen.charset = set;
1661 set_font_style (); 1797 set_font_style ();
1662 } 1798}
1663 1799
1664/* ------------------------------------------------------------------------- */ 1800/* ------------------------------------------------------------------------- */
1665/* 1801/*
1666 * Set a font 1802 * Set a font
1667 * XTERM_SEQ: Set G0 character set: ESC ( <C> 1803 * XTERM_SEQ: Set G0 character set: ESC ( <C>
… …
1669 * XTERM_SEQ: Set G2 character set: ESC * <C> 1805 * XTERM_SEQ: Set G2 character set: ESC * <C>
1670 * XTERM_SEQ: Set G3 character set: ESC + <C> 1806 * XTERM_SEQ: Set G3 character set: ESC + <C>
1671 * See set_font_style for possible values for <C> 1807 * See set_font_style for possible values for <C>
1672 */ 1808 */
1673void 1809void
1674rxvt_term::scr_charset_set (int set, unsigned int ch) 1810rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1675 { 1811{
1676 charsets[set] = (unsigned char)ch; 1812 charsets[set] = (unsigned char)ch;
1677 set_font_style (); 1813 set_font_style ();
1678 } 1814}
1679 1815
1680 1816
1681/* ------------------------------------------------------------------------- * 1817/* ------------------------------------------------------------------------- *
1682 * MAJOR SCREEN MANIPULATION * 1818 * MAJOR SCREEN MANIPULATION *
1683 * ------------------------------------------------------------------------- */ 1819 * ------------------------------------------------------------------------- */
1684 1820
1685/* 1821/*
1686 * refresh matching text. 1822 * refresh matching text.
1687 */ 1823 */
1688bool 1824bool ecb_cold
1689rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1825rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1690{ 1826{
1691 bool found = false; 1827 bool found = false;
1692 1828
1693 for (int i = 0; i < TermWin.nrow; i++) 1829 for (int i = 0; i < nrow; i++)
1694 { 1830 {
1695 int col = 0;
1696 rend_t *drp = drawn_rend [i]; 1831 rend_t *drp = drawn_buf[i].r;
1697 1832
1698 for (; col < TermWin.ncol; col++, drp++) 1833 for (int col = 0; col < ncol; col++, drp++)
1699 if ((*drp & mask) == value) 1834 if ((*drp & mask) == value)
1700 { 1835 {
1701 found = true; 1836 found = true;
1702 *drp = ~value; 1837 *drp = ~value;
1703 } 1838 }
… …
1713 PART_BEG = 0, 1848 PART_BEG = 0,
1714 PART_END, 1849 PART_END,
1715 RC_COUNT 1850 RC_COUNT
1716}; 1851};
1717 1852
1718void 1853void ecb_hot
1719rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1854rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1720{ 1855{
1721 int i; 1856 int i;
1722 row_col_t rc[RC_COUNT]; 1857 row_col_t rc[RC_COUNT];
1723 1858
1724 if (drawn_text == NULL) /* sanity check */ 1859 if (!drawn_buf) /* sanity check */
1725 return; 1860 return;
1726 1861
1727#ifdef DEBUG_STRICT 1862#ifndef NO_SLOW_LINK_SUPPORT
1728 x = max (x, (int)TermWin.int_bwidth); 1863 if (refresh_type == FAST_REFRESH && !display->is_local)
1729 x = min (x, (int)TermWin.width); 1864 {
1730 y = max (y, (int)TermWin.int_bwidth); 1865 y = 0;
1731 y = min (y, (int)TermWin.height); 1866 eheight = height;
1867 }
1732#endif 1868#endif
1733 1869
1734 /* round down */ 1870 /* round down */
1735 rc[PART_BEG].col = Pixel2Col (x); 1871 rc[PART_BEG].col = Pixel2Col (x);
1736 rc[PART_BEG].row = Pixel2Row (y); 1872 rc[PART_BEG].row = Pixel2Row (y);
1737 /* round up */ 1873 /* round up */
1738 rc[PART_END].col = Pixel2Width (x + width + TermWin.fwidth - 1); 1874 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1739 rc[PART_END].row = Pixel2Row (y + height + TermWin.fheight - 1); 1875 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1740 1876
1741 /* sanity checks */ 1877 /* sanity checks */
1742 for (i = PART_BEG; i < RC_COUNT; i++) 1878 for (i = PART_BEG; i < RC_COUNT; i++)
1743 { 1879 {
1744 MIN_IT (rc[i].col, TermWin.ncol - 1); 1880 min_it (rc[i].col, ncol - 1);
1745 MIN_IT (rc[i].row, TermWin.nrow - 1); 1881 min_it (rc[i].row, nrow - 1);
1746 } 1882 }
1747
1748 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));
1749 1883
1750 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1884 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1751 fill_text (& (drawn_text[i][rc[PART_BEG].col]), 0, 1885 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1752 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1886
1887 num_scr_allow = 0;
1753 1888
1754 if (refresh) 1889 if (refresh)
1755 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1890 scr_refresh ();
1756} 1891}
1757 1892
1758/* ------------------------------------------------------------------------- */ 1893/* ------------------------------------------------------------------------- */
1759/* 1894/*
1760 * Refresh the entire screen 1895 * Refresh the entire screen
1761 */ 1896 */
1762void 1897void
1763rxvt_term::scr_touch (bool refresh) 1898rxvt_term::scr_touch (bool refresh) noexcept
1764{ 1899{
1765 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1900 scr_expose (0, 0, vt_width, vt_height, refresh);
1766} 1901}
1767 1902
1768/* ------------------------------------------------------------------------- */ 1903/* ------------------------------------------------------------------------- */
1769/* 1904/*
1770 * Move the display so that the line represented by scrollbar value Y is at 1905 * Move the display so that the line represented by scrollbar value Y is at
1771 * the top of the screen 1906 * the top of the screen
1772 */ 1907 */
1773int 1908void
1774rxvt_term::scr_move_to (int y, int len) 1909rxvt_term::scr_move_to (int y, int len) noexcept
1775{ 1910{
1776 long p = 0; 1911 // lerp (y, 0, len, top_row, nrow - 1)
1777 uint16_t oldviewstart; 1912 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1778
1779 oldviewstart = TermWin.view_start;
1780 if (y < len)
1781 {
1782 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1783 p -= (long) (TermWin.nrow - 1);
1784 p = max (p, 0);
1785 }
1786 TermWin.view_start = (uint16_t)min (p, TermWin.nscrolled);
1787 D_SCREEN ((stderr, "rxvt_scr_move_to (%d, %d) view_start:%d", y, len, TermWin.view_start));
1788
1789 return scr_changeview (oldviewstart);
1790} 1913}
1791 1914
1792/* ------------------------------------------------------------------------- */ 1915/* ------------------------------------------------------------------------- */
1793/* 1916/*
1794 * Page the screen up/down nlines 1917 * Page the screen up/down nlines
1795 * direction should be UP or DN 1918 * direction should be UP or DN
1796 */ 1919 */
1797int 1920bool
1798rxvt_term::scr_page (enum page_dirn direction, int nlines) 1921rxvt_term::scr_page (int nlines) noexcept
1799{ 1922{
1800 int n;
1801 uint16_t oldviewstart;
1802
1803 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1804#ifdef DEBUG_STRICT
1805 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1806#endif
1807 oldviewstart = TermWin.view_start;
1808 if (direction == UP)
1809 {
1810 n = TermWin.view_start + nlines;
1811 TermWin.view_start = min (n, TermWin.nscrolled);
1812 }
1813 else
1814 {
1815 n = TermWin.view_start - nlines;
1816 TermWin.view_start = max (n, 0);
1817 }
1818 return scr_changeview (oldviewstart); 1923 return scr_changeview (view_start - nlines);
1819} 1924}
1820 1925
1821int 1926bool
1822rxvt_term::scr_changeview (uint16_t oldviewstart) 1927rxvt_term::scr_changeview (int new_view_start) noexcept
1823{ 1928{
1929 clamp_it (new_view_start, top_row, 0);
1930
1824 if (TermWin.view_start != oldviewstart) 1931 if (new_view_start == view_start)
1825 { 1932 return false;
1933
1934 num_scr += new_view_start - view_start;
1935 view_start = new_view_start;
1826 want_refresh = 1; 1936 want_refresh = 1;
1827 num_scr -= (TermWin.view_start - oldviewstart);
1828 }
1829 return (int) (TermWin.view_start - oldviewstart);
1830}
1831 1937
1832/* ------------------------------------------------------------------------- */ 1938 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1833void 1939
1834rxvt_term::scr_bell () 1940 return true;
1835{ 1941}
1942
1836#ifndef NO_BELL 1943#ifndef NO_BELL
1944void
1945rxvt_term::bell_cb (ev::timer &w, int revents)
1946{
1947 rvideo_bell = false;
1948 scr_rvideo_mode (rvideo_mode);
1949 refresh_check ();
1950}
1951#endif
1952
1953/* ------------------------------------------------------------------------- */
1954void
1955rxvt_term::scr_bell () noexcept
1956{
1957#ifndef NO_BELL
1958
1837# ifndef NO_MAPALERT 1959# ifndef NO_MAPALERT
1838# ifdef MAPALERT_OPTION 1960# ifdef MAPALERT_OPTION
1839 if (Options & Opt_mapAlert) 1961 if (option (Opt_mapAlert))
1840# endif 1962# endif
1841 XMapWindow (display->display, TermWin.parent[0]); 1963 XMapWindow (dpy, parent);
1842# endif 1964# endif
1965
1966# if ENABLE_FRILLS
1967 if (option (Opt_urgentOnBell))
1968 set_urgency (1);
1969# endif
1970
1843 if (Options & Opt_visualBell) 1971 if (option (Opt_visualBell))
1844 { 1972 {
1845 scr_rvideo_mode (!rvideo); /* refresh also done */ 1973 rvideo_bell = true;
1846 scr_rvideo_mode (!rvideo); /* refresh also done */ 1974 scr_rvideo_mode (rvideo_mode);
1975 flush ();
1976
1977 bell_ev.start (VISUAL_BELL_DURATION);
1847 } 1978 }
1848 else 1979 else
1849 XBell (display->display, 0); 1980 XBell (dpy, 0);
1981 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1850#endif 1982#endif
1851} 1983}
1852 1984
1853/* ------------------------------------------------------------------------- */ 1985/* ------------------------------------------------------------------------- */
1854/* ARGSUSED */ 1986void ecb_cold
1855void
1856rxvt_term::scr_printscreen (int fullhist) 1987rxvt_term::scr_printscreen (int fullhist) noexcept
1857{ 1988{
1858#ifdef PRINTPIPE 1989#ifdef PRINTPIPE
1859 int i, r1, nrows, row_offset; 1990 int nrows, row_start;
1860 text_t *t; 1991 FILE *fd = popen_printer ();
1861 FILE *fd;
1862 1992
1863 if ((fd = popen_printer ()) == NULL) 1993 if (!fd)
1864 return; 1994 return;
1865 nrows = TermWin.nrow; 1995
1866 row_offset = TermWin.saveLines;
1867 if (!fullhist) 1996 if (fullhist)
1868 row_offset -= TermWin.view_start; 1997 {
1998 nrows = nrow - top_row;
1999 row_start = top_row;
2000 }
1869 else 2001 else
1870 { 2002 {
1871 nrows += TermWin.nscrolled; 2003 nrows = nrow;
1872 row_offset -= TermWin.nscrolled; 2004 row_start = view_start;
1873 }
1874
1875 for (r1 = 0; r1 < nrows; r1++)
1876 { 2005 }
1877 t = screen.text[r1 + row_offset]; 2006
1878 for (i = TermWin.ncol - 1; i >= 0; i--) 2007 wctomb (0, 0);
1879 if (!isspace (t[i])) 2008
1880 break; 2009 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1881 fprintf (fd, "%.*s\n", (i + 1), t);
1882 } 2010 {
2011 text_t *tp = ROW(r1).t;
2012 int len = ROW(r1).l;
2013
2014 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2015 {
2016 char mb[MB_LEN_MAX];
2017 text_t t = *tp++;
2018 if (t == NOCHAR)
2019 continue;
2020
2021 len = wctomb (mb, t);
2022
2023 if (len <= 0)
2024 {
2025 mb[0] = ' ';
2026 len = 1;
2027 }
2028
2029 fwrite (mb, 1, len, fd);
2030 }
2031
2032 fputc ('\n', fd);
2033 }
2034
1883 pclose_printer (fd); 2035 pclose_printer (fd);
1884#endif 2036#endif
1885} 2037}
1886 2038
1887/* ------------------------------------------------------------------------- */ 2039/* ------------------------------------------------------------------------- */
1888/* 2040/*
1889 * Refresh the screen 2041 * Refresh the screen
1890 * drawn_text/drawn_rend contain the screen information before the update. 2042 * drawn_text/drawn_rend contain the screen information before the update.
1891 * screen.text/screen.rend contain what the screen will change to. 2043 * screen.text/screen.rend contain what the screen will change to.
1892 */ 2044 */
1893 2045void ecb_hot
1894#define FONT_WIDTH(X, Y) \ 2046rxvt_term::scr_refresh () noexcept
1895 (X)->per_char[ (Y) - (X)->min_char_or_byte2].width
1896#define FONT_RBEAR(X, Y) \
1897 (X)->per_char[ (Y) - (X)->min_char_or_byte2].rbearing
1898#define FONT_LBEAR(X, Y) \
1899 (X)->per_char[ (Y) - (X)->min_char_or_byte2].lbearing
1900#define IS_FONT_CHAR(X, Y) \
1901 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1902
1903void
1904rxvt_term::scr_refresh (unsigned char refresh_type)
1905{ 2047{
1906 unsigned char clearfirst, /* first character writes before cell */
1907 clearlast, /* last character writes beyond cell */
1908 must_clear, /* use draw_string not draw_image_string */
1909 rvid, /* reverse video this position */
1910 showcursor; /* show the cursor */
1911 int16_t col, row, /* column/row we're processing */ 2048 int16_t col, row, /* column/row we're processing */
1912 ocrow; /* old cursor row */ 2049 ocrow; /* old cursor row */
1913 int i, /* tmp */ 2050 int i; /* tmp */
1914 row_offset; /* basic offset in screen structure */ 2051 rend_t ccol1, /* Cursor colour */
1915#ifndef NO_CURSORCOLOR 2052 ccol2; /* Cursor colour2 */
1916 rend_t cc1; /* store colours at cursor position (s) */ 2053 rend_t cur_rend;
1917#endif 2054 int cur_col;
1918 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2055 int cursorwidth;
1919 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1920 2056
2057 want_refresh = 0; /* screen is current */
2058
1921 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2059 if (refresh_type == NO_REFRESH || !mapped)
1922 return; 2060 return;
1923 2061
1924 /* 2062 /*
1925 * A: set up vars 2063 * A: set up vars
1926 */ 2064 */
1927 clearfirst = clearlast = must_clear = 0;
1928
1929 refresh_count = 0; 2065 refresh_count = 0;
1930 2066
1931 row_offset = TermWin.saveLines - TermWin.view_start; 2067 unsigned int old_screen_flags = screen.flags;
1932 2068 bool have_bg = 0;
1933 if ((refresh_type & REFRESH_BOUNDS)) 2069#ifdef HAVE_IMG
1934 { 2070 have_bg = bg_img != 0;
1935 clearfirst = clearlast = 1;
1936 refresh_type &= ~REFRESH_BOUNDS;
1937 }
1938
1939#ifdef XPM_BACKGROUND
1940 must_clear |= (bgPixmap.pixmap != None);
1941#endif
1942#ifdef TRANSPARENT
1943 must_clear |= ((Options & Opt_transparent) && am_transparent);
1944#endif 2071#endif
1945 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */ 2072 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1946 2073
1947 /* 2074 /*
1948 * B: reverse any characters which are selected 2075 * B: reverse any characters which are selected
1949 */ 2076 */
1950 scr_reverse_selection (); 2077 scr_reverse_selection ();
1951 2078
2079 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2080#if ENABLE_OVERLAY
2081 scr_swap_overlay ();
2082#endif
2083
2084 bool showcursor = screen.flags & Screen_VisibleCursor;
2085
1952 /* 2086 /*
1953 * C: set the cursor character (s) 2087 * C: set the cursor character (s)
1954 */ 2088 */
1955 { 2089 {
1956 unsigned char setoldcursor;
1957 rend_t ccol1, /* Cursor colour */
1958 ccol2; /* Cursor colour2 */
1959
1960 showcursor = (screen.flags & Screen_VisibleCursor);
1961#ifdef CURSOR_BLINK 2090#ifdef CURSOR_BLINK
1962 if (hidden_cursor) 2091 if (hidden_cursor)
1963 showcursor = 0; 2092 showcursor = 0;
1964#endif 2093#endif
1965 2094
1966 if (showcursor) 2095 if (showcursor)
1967 { 2096 {
1968 srp = & (screen.rend[screen.cur.row + TermWin.saveLines] 2097 int col = screen.cur.col;
1969 [screen.cur.col]);
1970 2098
1971 if (showcursor && TermWin.focus) 2099 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2100 col--;
2101
2102 cursorwidth = 1;
2103 while (col + cursorwidth < ncol
2104 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2105 cursorwidth++;
2106
2107 cur_rend = ROW(screen.cur.row).r[col];
2108 cur_col = col;
2109
2110#ifndef NO_CURSORCOLOR
2111 if (ISSET_PIXCOLOR (Color_cursor))
2112 ccol1 = Color_cursor;
2113 else
2114#endif
2115#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2116 ccol1 = fgcolor_of (rstyle);
2117#else
2118 ccol1 = Color_fg;
2119#endif
2120
2121#ifndef NO_CURSORCOLOR
2122 if (ISSET_PIXCOLOR (Color_cursor2))
2123 ccol2 = Color_cursor2;
2124 else
2125#endif
2126#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2127 ccol2 = bgcolor_of (rstyle);
2128#else
2129 ccol2 = Color_bg;
2130#endif
2131
2132 if (focus && cursor_type == 0)
1972 { 2133 {
2134 rend_t rend = cur_rend;
2135
1973 *srp ^= RS_RVid; 2136 rend ^= RS_RVid;
1974#ifndef NO_CURSORCOLOR
1975 cc1 = *srp & (RS_fgMask | RS_bgMask);
1976 if (ISSET_PIXCOLOR (Color_cursor))
1977 ccol1 = Color_cursor;
1978 else
1979#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1980 ccol1 = GET_FGCOLOR (rstyle);
1981#else
1982 ccol1 = Color_fg;
1983#endif
1984 if (ISSET_PIXCOLOR (Color_cursor2))
1985 ccol2 = Color_cursor2;
1986 else
1987#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1988 ccol2 = GET_BGCOLOR (rstyle);
1989#else
1990 ccol2 = Color_bg;
1991#endif
1992 *srp = SET_FGCOLOR (*srp, ccol1); 2137 rend = SET_FGCOLOR (rend, ccol1);
1993 *srp = SET_BGCOLOR (*srp, ccol2); 2138 rend = SET_BGCOLOR (rend, ccol2);
1994#endif 2139
2140 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1995 } 2141 }
1996 } 2142 }
1997 2143
1998 /* make sure no outline cursor is left around */ 2144 /* make sure no outline cursor is left around */
1999 setoldcursor = 0; 2145 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2000 if (ocrow != -1) 2146 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2147
2148 // save the current cursor coordinates if the cursor is visible
2149 // and either the window is unfocused or the cursor style is
2150 // underline or vertical bar, so as to clear the outline cursor in
2151 // the next refresh if the cursor moves or becomes invisible
2152 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2001 { 2153 {
2002 if (screen.cur.row + TermWin.view_start != ocrow 2154 oldcursor.row = screen.cur.row - view_start;
2003 || screen.cur.col != oldcursor.col) 2155 oldcursor.col = screen.cur.col;
2004 {
2005 if (ocrow < TermWin.nrow
2006 && oldcursor.col < TermWin.ncol)
2007 {
2008 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2009 }
2010 if (TermWin.focus || !showcursor)
2011 oldcursor.row = -1;
2012 else
2013 setoldcursor = 1;
2014 }
2015 } 2156 }
2016 else if (!TermWin.focus) 2157 else
2017 setoldcursor = 1;
2018 if (setoldcursor)
2019 {
2020 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2021 oldcursor.row = -1; 2158 oldcursor.row = -1;
2022 else
2023 {
2024 oldcursor.row = screen.cur.row + TermWin.view_start;
2025 oldcursor.col = screen.cur.col;
2026 }
2027 }
2028 } 2159 }
2029 2160
2030#ifndef NO_SLOW_LINK_SUPPORT 2161#ifndef NO_SLOW_LINK_SUPPORT
2031 /* 2162 /*
2032 * D: CopyArea pass - very useful for slower links 2163 * D: CopyArea pass - very useful for slower links
2033 * This has been deliberately kept simple. 2164 * This has been deliberately kept simple.
2034 */ 2165 */
2035 i = num_scr; 2166 if (!display->is_local
2036 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2167 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2037 && abs (i) < TermWin.nrow && !must_clear) 2168 && abs (num_scr) < nrow && !have_bg)
2038 { 2169 {
2039 int16_t nits; 2170 int16_t nits;
2040 int j; 2171 int i = num_scr;
2041 rend_t *drp2; 2172 int j;
2042 text_t *dtp2;
2043 int len, wlen; 2173 int len, wlen;
2044 2174
2045 j = TermWin.nrow; 2175 j = nrow;
2046 wlen = len = -1; 2176 wlen = len = -1;
2047 row = i > 0 ? 0 : j - 1; 2177 row = i > 0 ? 0 : j - 1;
2178
2048 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2179 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2049 { 2180 {
2050 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2181 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2051 { 2182 {
2052 stp = screen.text[row + row_offset]; 2183 line_t s = ROW(view_start + row);
2053 srp = screen.rend[row + row_offset];
2054 dtp = drawn_text[row]; 2184 line_t d = drawn_buf[row];
2055 dtp2 = drawn_text[row + i]; 2185 line_t d2 = drawn_buf[row + i];
2056 drp = drawn_rend[row];
2057 drp2 = drawn_rend[row + i];
2058 2186
2059 for (nits = 0, col = TermWin.ncol; col--; ) 2187 for (nits = 0, col = ncol; col--; )
2060 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2188 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2061 nits--; 2189 nits--;
2062 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2190 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2063 nits++; 2191 nits++;
2064 2192
2065 if (nits > 8) /* XXX: arbitrary choice */ 2193 if (nits > 8) /* XXX: arbitrary choice */
2066 { 2194 {
2067 for (col = TermWin.ncol; col--; ) 2195 for (col = ncol; col--; )
2068 { 2196 {
2069 *dtp++ = *dtp2++; 2197 *d.t++ = *d2.t++;
2070 *drp++ = *drp2++; 2198 *d.r++ = *d2.r++;
2071 } 2199 }
2072 2200
2073 if (len == -1) 2201 if (len == -1)
2074 len = row; 2202 len = row;
2075 2203
2076 wlen = row; 2204 wlen = row;
2077 continue; 2205 continue;
2078 } 2206 }
2079 } 2207 }
2080 2208
2081 if (len != -1) 2209 if (len >= 0)
2082 { 2210 {
2083 /* also comes here at end if needed because of >= above */ 2211 /* also comes here at end if needed because of >= above */
2084 if (wlen < len) 2212 if (wlen < len)
2085 SWAP_IT (wlen, len, int); 2213 ::swap (wlen, len);
2086 2214
2087 D_SCREEN ((stderr, "rxvt_scr_refresh (): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2215 XGCValues gcv;
2088 XCopyArea (display->display, TermWin.vt, TermWin.vt, 2216
2217 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2218 XCopyArea (dpy, vt, vt,
2089 TermWin.gc, 0, Row2Pixel (len + i), 2219 gc, 0, Row2Pixel (len + i),
2090 (unsigned int)TermWin_TotalWidth (), 2220 (unsigned int)this->width,
2091 (unsigned int)Height2Pixel (wlen - len + 1), 2221 (unsigned int)Height2Pixel (wlen - len + 1),
2092 0, Row2Pixel (len)); 2222 0, Row2Pixel (len));
2223 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2224
2093 len = -1; 2225 len = -1;
2094 } 2226 }
2095 } 2227 }
2096 } 2228 }
2097#endif 2229#endif
2098 2230
2099 /* 2231 /*
2100 * E: main pass across every character 2232 * E: main pass across every character
2101 */ 2233 */
2102 for (row = 0; row < TermWin.nrow; row++) 2234 for (row = 0; row < nrow; row++)
2103 { 2235 {
2104 stp = screen.text[row + row_offset]; 2236 text_t *stp = ROW(view_start + row).t;
2105 srp = screen.rend[row + row_offset]; 2237 rend_t *srp = ROW(view_start + row).r;
2106 dtp = drawn_text[row]; 2238 text_t *dtp = drawn_buf[row].t;
2107 drp = drawn_rend[row]; 2239 rend_t *drp = drawn_buf[row].r;
2108 2240
2109 /* 2241 /*
2110 * E2: OK, now the real pass 2242 * E2: OK, now the real pass
2111 */ 2243 */
2112 int ypixel = (int)Row2Pixel (row); 2244 int ypixel = (int)Row2Pixel (row);
2113 2245
2114 for (col = 0; col < TermWin.ncol; col++) 2246 for (col = 0; col < ncol; col++)
2115 { 2247 {
2116 /* compare new text with old - if exactly the same then continue */ 2248 /* compare new text with old - if exactly the same then continue */
2117 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2249 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2118 && (srp[col] == drp[col] /* Either rendition the same or */
2119 || (stp[col] == ' ' /* space w/ no background change */
2120 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2121 continue; 2250 continue;
2122 2251
2123 // redraw one or more characters 2252 // redraw one or more characters
2124 2253
2125 // seek to the beginning if wide characters 2254 // seek to the beginning of wide characters
2126 while (stp[col] == NOCHAR && col > 0) 2255 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2127 --col; 2256 --col;
2128 2257
2129 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2258 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2130 text_t *text = stp + col; 2259 text_t *text = stp + col;
2131 int count = 1; 2260 int count = 1;
2132 2261
2133 dtp[col] = stp[col]; 2262 dtp[col] = stp[col];
2134 drp[col] = rend; 2263 drp[col] = rend;
2135 2264
2136 int xpixel = Col2Pixel (col); 2265 int xpixel = Col2Pixel (col);
2137 2266
2138 // this loop looks very messy, it can probably be optimized
2139 // and cleaned a bit by you?
2140 for (i = 0; ++col < TermWin.ncol; ) 2267 for (i = 0; ++col < ncol; )
2141 { 2268 {
2142 if (stp[col] == NOCHAR) 2269 if (stp[col] == NOCHAR)
2143 { 2270 {
2144 dtp[col] = stp[col]; 2271 dtp[col] = stp[col];
2145 drp[col] = rend; 2272 drp[col] = srp[col];
2273
2146 count++; 2274 count++;
2147
2148 if (i) // only possible skip if char unchanged
2149 i++; 2275 i++;
2150 2276
2151 continue; 2277 continue;
2152 } 2278 }
2153 2279
2154 if (rend != srp[col]) 2280 if (!RS_SAME (rend, srp[col]))
2155 break; 2281 break;
2156 2282
2157 count++; 2283 count++;
2158 2284
2159 if (stp[col] != dtp[col] 2285 if (stp[col] != dtp[col]
2160 || srp[col] != drp[col]) 2286 || !RS_SAME (srp[col], drp[col]))
2161 { 2287 {
2162 if (must_clear && (i++ > (count / 2))) 2288 if (have_bg && (i++ > count / 2))
2163 break; 2289 break;
2164 2290
2165 dtp[col] = stp[col]; 2291 dtp[col] = stp[col];
2166 drp[col] = rend; 2292 drp[col] = rend;
2167 i = 0; 2293 i = 0;
2168 } 2294 }
2169 else if (must_clear || (stp[col] != ' ' && ++i >= 32)) 2295 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2170 break; 2296 break;
2171 } 2297 }
2172 2298
2173 col--; /* went one too far. move back */ 2299 col--; /* went one too far. move back */
2174 count -= i; /* dump any matching trailing chars */ 2300 count -= i; /* dump any matching trailing chars */
2301
2302 // sometimes we optimize away the trailing NOCHAR's, add them back
2303 while (ecb_unlikely (i && text[count] == NOCHAR))
2304 count++, i--;
2175 2305
2176 /* 2306 /*
2177 * Determine the attributes for the string 2307 * Determine the attributes for the string
2178 */ 2308 */
2179 int fid = GET_FONT (rend);
2180 int fore = GET_FGCOLOR (rend); // desired foreground 2309 int fore = fgcolor_of (rend); // desired foreground
2181 int back = GET_BGCOLOR (rend); // desired background 2310 int back = bgcolor_of (rend); // desired background
2182 2311
2183 rend = GET_ATTR (rend); 2312 // only do special processing if any attributes are set, which is unlikely
2184 2313 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2185 rvid = !!(rend & RS_RVid); 2314 {
2315 bool invert = rend & RS_RVid;
2186 2316
2187#ifndef NO_BOLD_UNDERLINE_REVERSE 2317#ifndef NO_BOLD_UNDERLINE_REVERSE
2188 if (rend & RS_Bold && fore == Color_fg) 2318 if (rend & RS_Bold && fore == Color_fg)
2189 { 2319 {
2190 if (ISSET_PIXCOLOR (Color_BD)) 2320 if (ISSET_PIXCOLOR (Color_BD))
2191 fore = Color_BD; 2321 fore = Color_BD;
2322# if !ENABLE_STYLES
2192 else 2323 else
2193 rvid = !rvid; 2324 invert = !invert;
2325# endif
2326 }
2327
2328 if (rend & RS_Italic && fore == Color_fg)
2329 {
2330 if (ISSET_PIXCOLOR (Color_IT))
2331 fore = Color_IT;
2332# if !ENABLE_STYLES
2333 else
2334 invert = !invert;
2335# endif
2336 }
2337
2338 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2339 fore = Color_UL;
2340#endif
2341
2342#ifdef OPTION_HC
2343 if (rend & RS_Sel)
2344 {
2345 /* invert the column if no highlightColor is set or it is the
2346 * current cursor column */
2347 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2348 && ISSET_PIXCOLOR (Color_HC))
2349 {
2350 if (ISSET_PIXCOLOR (Color_HTC))
2351 fore = Color_HTC;
2352 // if invert is 0 reverse video is set so we use bg color as fg color
2353 else if (!invert)
2354 fore = back;
2355
2356 back = Color_HC;
2357 invert = 0;
2358 }
2359 }
2360#endif
2361
2362 if (invert)
2363 {
2364 ::swap (fore, back);
2365
2366#ifndef NO_BOLD_UNDERLINE_REVERSE
2367 if (fore == back)
2368 {
2369 fore = Color_bg;
2370 back = Color_fg;
2371 }
2372#endif
2373 }
2374
2375#ifdef TEXT_BLINK
2376 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2377 {
2378 if (!text_blink_ev.is_active ())
2379 {
2380 text_blink_ev.again ();
2381 hidden_text = 0;
2382 }
2383 else if (hidden_text)
2384 fore = back;
2385 }
2386#endif
2387
2388#if ENABLE_STYLES
2389 // "careful" (too wide) character handling
2390
2391 // include previous careful character(s) if possible, looks nicer (best effort...)
2392 while (text > stp
2393 && srp[text - stp - 1] & RS_Careful
2394 && RS_SAME (rend, srp[text - stp - 1]))
2395 text--, count++, xpixel -= fwidth;
2396
2397 // force redraw after "careful" characters to avoid pixel droppings
2398 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2399 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2400
2401 // force redraw before "careful" characters to avoid pixel droppings
2402 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2403 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2404#endif
2194 } 2405 }
2195
2196 if (rend & RS_Uline)
2197 {
2198 if (ISSET_PIXCOLOR (Color_UL))
2199 fore = Color_UL;
2200 }
2201#endif
2202
2203 if (rvid)
2204 {
2205 SWAP_IT (fore, back, int);
2206
2207#ifndef NO_BOLD_UNDERLINE_REVERSE
2208 if (ISSET_PIXCOLOR (Color_RV)
2209# ifndef NO_CURSORCOLOR
2210 && !ISSET_PIXCOLOR (Color_cursor)
2211# endif
2212 )
2213 back = Color_RV;
2214#endif
2215 }
2216
2217#ifdef TEXT_BLINK
2218 if (rend & RS_Blink && back == Color_bg)
2219 {
2220 if (!text_blink_ev.active)
2221 {
2222 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2223 hidden_text = 0;
2224 }
2225 else if (hidden_text)
2226 fore = back;
2227 }
2228#endif
2229 2406
2230 /* 2407 /*
2231 * Actually do the drawing of the string here 2408 * Actually do the drawing of the string here
2232 */ 2409 */
2233 rxvt_font *font = (*TermWin.fontset)[fid]; 2410 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2234 2411
2235 if (back == fore) 2412 if (ecb_likely (have_bg && back == Color_bg))
2236 font->clear_rect (*TermWin.drawable, xpixel, ypixel,
2237 TermWin.fwidth * count, TermWin.fheight,
2238 back);
2239 else if (back == Color_bg)
2240 { 2413 {
2241 if (must_clear) 2414 // this is very ugly, maybe push it into ->draw?
2242 {
2243 CLEAR_CHARS (xpixel, ypixel, count);
2244 2415
2245 for (i = 0; i < count; i++) /* don't draw empty strings */ 2416 for (i = 0; i < count; i++) /* don't draw empty strings */
2246 if (text[i] != ' ') 2417 if (text[i] != ' ')
2247 { 2418 {
2248 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, -1); 2419 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2249 break; 2420 goto did_clear;
2250 }
2251 } 2421 }
2252 else 2422
2253 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg); 2423 CLEAR_CHARS (xpixel, ypixel, count);
2424 did_clear: ;
2254 } 2425 }
2255 else 2426 else
2256 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back); 2427 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2257 2428
2258 if ((rend & RS_Uline) && (font->descent > 1)) 2429 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2259 XDrawLine (display->display, drawBuffer, TermWin.gc, 2430 {
2431 if (showcursor && focus && row == screen.cur.row
2432 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2433 XSetForeground (dpy, gc, pix_colors[ccol1]);
2434 else
2435#if ENABLE_FRILLS
2436 if (ISSET_PIXCOLOR (Color_underline))
2437 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2438 else
2439#endif
2440 XSetForeground (dpy, gc, pix_colors[fore]);
2441
2442 XDrawLine (dpy, vt, gc,
2260 xpixel, ypixel + font->ascent + 1, 2443 xpixel, ypixel + font->ascent + 1,
2261 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2444 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2445 }
2262 } /* for (col....) */ 2446 } /* for (col....) */
2263 } /* for (row....) */ 2447 } /* for (row....) */
2264 2448
2265 /* 2449 /*
2266 * G: cleanup cursor and display outline cursor if necessary 2450 * G: cleanup cursor and display outline cursor if necessary
2267 */ 2451 */
2268 if (showcursor) 2452 if (showcursor)
2269 { 2453 {
2270 if (TermWin.focus) 2454 if (focus)
2455 {
2456 if (cursor_type == 0)
2457 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2458 else if (oldcursor.row >= 0)
2271 { 2459 {
2272 srp = & (screen.rend[screen.cur.row + TermWin.saveLines] 2460 XSetForeground (dpy, gc, pix_colors[ccol1]);
2273 [screen.cur.col]); 2461 if (cursor_type == 1)
2274 *srp ^= RS_RVid; 2462 XFillRectangle (dpy, vt, gc,
2275#ifndef NO_CURSORCOLOR 2463 Col2Pixel (cur_col),
2276 *srp = (*srp & ~ (RS_fgMask | RS_bgMask)) | cc1; 2464 Row2Pixel (oldcursor.row + 1) - 2,
2277#endif 2465 Width2Pixel (1),
2466 2);
2467 else
2468 XFillRectangle (dpy, vt, gc,
2469 Col2Pixel (cur_col),
2470 Row2Pixel (oldcursor.row),
2471 2,
2472 Height2Pixel (1));
2473 }
2278 } 2474 }
2279 else if (oldcursor.row >= 0) 2475 else if (oldcursor.row >= 0)
2280 { 2476 {
2281#ifndef NO_CURSORCOLOR 2477 XSetForeground (dpy, gc, pix_colors[ccol1]);
2282 if (ISSET_PIXCOLOR (Color_cursor))
2283 XSetForeground (display->display, TermWin.gc, PixColors[Color_cursor]);
2284#endif
2285 int cursorwidth = 1;
2286 while (oldcursor.col + cursorwidth < TermWin.ncol
2287 && drawn_text[oldcursor.row][oldcursor.col + cursorwidth] == NOCHAR)
2288 cursorwidth++;
2289 2478
2290 XDrawRectangle (display->display, drawBuffer, TermWin.gc, 2479 XDrawRectangle (dpy, vt, gc,
2291 Col2Pixel (oldcursor.col), 2480 Col2Pixel (cur_col),
2292 Row2Pixel (oldcursor.row), 2481 Row2Pixel (oldcursor.row),
2293 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2482 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2294 (unsigned int) (Height2Pixel (1) - TermWin.lineSpace - 1)); 2483 (unsigned int) (Height2Pixel (1) - 1));
2295 } 2484 }
2296 } 2485 }
2297 2486
2298 /* 2487 /*
2299 * H: cleanup selection 2488 * H: cleanup selection
2300 */ 2489 */
2490#if ENABLE_OVERLAY
2491 scr_swap_overlay ();
2492#endif
2493 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2494
2301 scr_reverse_selection (); 2495 scr_reverse_selection ();
2302 2496
2303 /* 2497 screen.flags = old_screen_flags;
2304 * I: other general cleanup
2305 */
2306 if (clearfirst && TermWin.int_bwidth)
2307 /*
2308 * clear the whole screen height, note that width == 0 is treated
2309 * specially by XClearArea
2310 */
2311 XClearArea (display->display, TermWin.vt, 0, 0,
2312 (unsigned int)TermWin.int_bwidth,
2313 (unsigned int)TermWin_TotalHeight (), False);
2314
2315 if (clearlast && TermWin.int_bwidth)
2316 /*
2317 * clear the whole screen height, note that width == 0 is treated
2318 * specially by XClearArea
2319 */
2320 XClearArea (display->display, TermWin.vt,
2321 TermWin.width + TermWin.int_bwidth, 0,
2322 (unsigned int)TermWin.int_bwidth,
2323 (unsigned int)TermWin_TotalHeight (), False);
2324
2325 if (refresh_type & SMOOTH_REFRESH)
2326 XSync (display->display, False);
2327
2328 num_scr = 0; 2498 num_scr = 0;
2329 num_scr_allow = 1; 2499 num_scr_allow = 1;
2330 want_refresh = 0; /* screen is current */
2331} 2500}
2332 2501
2333void 2502void ecb_cold
2334rxvt_term::scr_remap_chars (text_t *tp, rend_t *rp) 2503rxvt_term::scr_remap_chars (line_t &l) noexcept
2335{ 2504{
2336 if (!rp || !tp) 2505 if (!l.valid ())
2337 return; 2506 return;
2338 2507
2339 for (int i = TermWin.ncol; i; i--, rp++, tp++) 2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2340 *rp = SET_FONT (*rp, TermWin.fontset->find_font (*tp));
2341}
2342 2509
2343void 2510 for (int i = ncol; i--; )
2511 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2512}
2513
2514void ecb_cold
2344rxvt_term::scr_remap_chars () 2515rxvt_term::scr_remap_chars () noexcept
2345{ 2516{
2346 for (int i = TermWin.nrow + TermWin.saveLines; i--; ) 2517 for (int i = total_rows; i--; )
2347 scr_remap_chars (screen.text[i], screen.rend[i]); 2518 scr_remap_chars (row_buf [i]);
2348 2519
2349 for (int i = TermWin.nrow; i--; ) 2520 for (int i = nrow; i--; )
2350 {
2351 scr_remap_chars (drawn_text[i], drawn_rend[i]);
2352 scr_remap_chars (swap.text[i], swap.rend[i]);
2353 } 2521 {
2522 scr_remap_chars (drawn_buf [i]);
2523 scr_remap_chars (swap_buf [i]);
2524 }
2354} 2525}
2355 2526
2527void ecb_cold
2528rxvt_term::scr_recolor (bool refresh) noexcept
2529{
2530 bool transparent = false;
2531
2532#ifdef HAVE_IMG
2533 if (bg_img != 0)
2534 {
2535# if ENABLE_TRANSPARENCY
2536 if (bg_flags & BG_IS_TRANSPARENT)
2537 {
2538 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2539 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2540
2541 transparent = true;
2542 }
2543 else
2544# endif
2545 {
2546 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2547 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2548 }
2549 }
2550 else
2551#endif
2552 {
2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2554 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2555 }
2556
2557 XClearWindow (dpy, parent);
2558
2559 if (scrollBar.state && scrollBar.win)
2560 {
2561 if (transparent)
2562 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2563 else
2564 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2565 scrollBar.state = SB_STATE_IDLE;
2566 scrollBar.show (0);
2567 }
2568
2569 if (refresh)
2570 {
2571 scr_clear ();
2572 scr_touch (true);
2573 }
2574 want_refresh = 1;
2575}
2576
2356/* ------------------------------------------------------------------------- */ 2577/* ------------------------------------------------------------------------- */
2357void 2578void
2358rxvt_term::scr_clear (bool really) 2579rxvt_term::scr_clear (bool really) noexcept
2359{ 2580{
2360 if (!TermWin.mapped) 2581 if (!mapped)
2361 return; 2582 return;
2362 2583
2363 num_scr_allow = 0; 2584 num_scr_allow = 0;
2364 want_refresh = 1; 2585 want_refresh = 1;
2365 2586
2366#ifdef TRANSPARENT 2587 if (really)
2367 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2588 XClearWindow (dpy, vt);
2589}
2590
2591void
2592rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2593{
2594 int view_end = view_start + nrow;
2595 int row, col;
2596
2597 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2598 {
2599 text_t *stp = ROW(row).t;
2600 rend_t *srp = ROW(row).r;
2601
2602 for (col = beg_col; col < end_col; col++)
2603 srp[col] ^= rstyle1;
2604
2605 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2606 srp[col] ^= rstyle2;
2607
2608 if (++col < end_col)
2609 srp[col] ^= rstyle2;
2368 { 2610 }
2369 int i; 2611}
2370 2612
2371 if (! (Options & Opt_transparent_all)) 2613void
2614rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2615{
2616 int view_end = view_start + nrow;
2617 int row, col;
2618
2619 if (beg_row >= view_start)
2620 {
2621 col = beg_col;
2622 row = beg_row;
2623 }
2624 else
2625 {
2372 i = 0; 2626 col = 0;
2627 row = view_start;
2628 }
2629
2630 for (; row < min (end_row, view_end); row++, col = 0)
2631 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2632 srp[col] ^= rstyle;
2633
2634 if (row == end_row)
2635 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2636 srp[col] ^= rstyle;
2637}
2638
2639/* ------------------------------------------------------------------------- */
2640void ecb_hot
2641rxvt_term::scr_reverse_selection () noexcept
2642{
2643 if (selection.op
2644 && current_screen == selection.screen
2645 && selection.end.row >= view_start)
2646 {
2647#if !ENABLE_MINIMAL
2648 if (selection.rect)
2649 scr_xor_rect (selection.beg.row, selection.beg.col,
2650 selection.end.row, selection.end.col,
2651 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2373 else 2652 else
2374 i = (int) (sizeof (TermWin.parent) / sizeof (Window));
2375
2376 while (i--)
2377 if (TermWin.parent[i] != None)
2378 XClearWindow (display->display, TermWin.parent[i]);
2379 }
2380#endif 2653#endif
2381 2654 scr_xor_span (selection.beg.row, selection.beg.col,
2382 if (really) 2655 selection.end.row, selection.end.col,
2383 XClearWindow (display->display, TermWin.vt); 2656 RS_Sel | RS_RVid);
2384}
2385
2386/* ------------------------------------------------------------------------- */
2387void
2388rxvt_term::scr_reverse_selection ()
2389{
2390 if (selection.op && current_screen == selection.screen)
2391 {
2392 int end_row = TermWin.saveLines - TermWin.view_start;
2393 int i = selection.beg.row + TermWin.saveLines;
2394 int col, row = selection.end.row + TermWin.saveLines;
2395 rend_t *srp;
2396
2397 if (i >= end_row)
2398 col = selection.beg.col;
2399 else
2400 {
2401 col = 0;
2402 i = end_row;
2403 }
2404
2405 end_row += TermWin.nrow;
2406 for (; i < row && i < end_row; i++, col = 0)
2407 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2408 srp[col] ^= RS_RVid;
2409
2410 if (i == row && i < end_row)
2411 for (srp = screen.rend[i]; col < selection.end.col; col++)
2412 srp[col] ^= RS_RVid;
2413 } 2657 }
2414} 2658}
2415 2659
2416/* ------------------------------------------------------------------------- */ 2660/* ------------------------------------------------------------------------- */
2417/* 2661/*
2418 * Dump the whole scrollback and screen to the passed filedescriptor. The 2662 * Dump the whole scrollback and screen to the passed filedescriptor. The
2419 * invoking routine must close the fd. 2663 * invoking routine must close the fd.
2420 */ 2664 */
2421#if 0 2665#if 0
2422void 2666void
2423rxvt_term::scr_dump (int fd) 2667rxvt_term::scr_dump (int fd) noexcept
2424{ 2668{
2425 int row, wrote; 2669 // if this method is needed, it can be implemented by factoring the
2426 unsigned int width, towrite; 2670 // relevant code in scr_printscreen
2427 char r1[] = "\n";
2428
2429 for (row = TermWin.saveLines - TermWin.nscrolled;
2430 row < TermWin.saveLines + TermWin.nrow - 1; row++)
2431 {
2432 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2433 : TermWin.ncol;
2434 for (towrite = width; towrite; towrite -= wrote)
2435 {
2436 wrote = write (fd, & (screen.text[row][width - towrite]),
2437 towrite);
2438 if (wrote < 0)
2439 return; /* XXX: death, no report */
2440 }
2441 if (screen.tlen[row] >= 0)
2442 if (write (fd, r1, 1) <= 0)
2443 return; /* XXX: death, no report */
2444 }
2445} 2671}
2446#endif 2672#endif
2447 2673
2448/* ------------------------------------------------------------------------- * 2674/* ------------------------------------------------------------------------- *
2449 * CHARACTER SELECTION * 2675 * CHARACTER SELECTION *
2450 * ------------------------------------------------------------------------- */ 2676 * ------------------------------------------------------------------------- */
2451
2452/*
2453 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2454 */
2455void 2677void
2456rxvt_term::selection_check (int check_more) 2678rxvt_term::selection_check (int check_more) noexcept
2457{ 2679{
2458 row_col_t pos;
2459
2460 if (!selection.op) 2680 if (!selection.op)
2461 return; 2681 return;
2462 2682
2463 pos.row = pos.col = 0; 2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2464 if ((selection.beg.row < - (int32_t)TermWin.nscrolled) 2684 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2465 || (selection.beg.row >= TermWin.nrow) 2685 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2466 || (selection.mark.row < - (int32_t)TermWin.nscrolled)
2467 || (selection.mark.row >= TermWin.nrow)
2468 || (selection.end.row < - (int32_t)TermWin.nscrolled)
2469 || (selection.end.row >= TermWin.nrow)
2470 || (check_more == 1 2686 || (check_more == 1
2471 && current_screen == selection.screen 2687 && current_screen == selection.screen
2472 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2688 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2473 && ROWCOL_IS_BEFORE (screen.cur, selection.end)) 2689 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2474 || (check_more == 2
2475 && ROWCOL_IS_BEFORE (selection.beg, pos)
2476 && ROWCOL_IS_AFTER (selection.end, pos))
2477 || (check_more == 3
2478 && ROWCOL_IS_AFTER (selection.end, pos))
2479 || (check_more == 4 /* screen width change */
2480 && (selection.beg.row != selection.end.row
2481 || selection.end.col > TermWin.ncol)))
2482 CLEAR_SELECTION (); 2690 CLEAR_ALL_SELECTION ();
2691}
2692
2693void
2694rxvt_term::selection_changed () noexcept
2695{
2696 line_t &r1 = ROW (selection.beg.row);
2697 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2698 ++selection.beg.col;
2699
2700 line_t &r2 = ROW (selection.end.row);
2701 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2702 ++selection.end.col;
2703
2704 want_refresh = 1;
2483} 2705}
2484 2706
2485/* ------------------------------------------------------------------------- */ 2707/* ------------------------------------------------------------------------- */
2486/* 2708/*
2487 * Paste a selection direct to the command fd 2709 * Paste a selection direct to the command fd
2488 */ 2710 */
2489void 2711void
2490rxvt_term::paste (const unsigned char *data, unsigned int len) 2712rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2491{ 2713{
2492 unsigned int i, j, n;
2493 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2494
2495#if 0
2496 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2497 ZERO_SCROLLBACK (r);
2498#endif
2499
2500 /* convert normal newline chars into common keyboard Return key sequence */ 2714 /* convert normal newline chars into common keyboard Return key sequence */
2501 for (i = 0; i < len; i += PROP_SIZE) 2715 for (unsigned int i = 0; i < len; i++)
2502 { 2716 if (data[i] == C0_LF)
2503 n = min (len - i, PROP_SIZE); 2717 data[i] = C0_CR;
2504 MEMCPY (ds, data + i, n);
2505 2718
2506 for (j = 0; j < n; j++) 2719 #if ENABLE_FRILLS
2507 if (ds[j] == '\n') 2720 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2508 ds[j] = '\r'; 2721 tt_printf ("\x1b[200~");
2722 #endif
2509 2723
2510 tt_write (ds, (int)n); 2724 tt_write (data, len);
2511 }
2512 2725
2513 free (ds); 2726 #if ENABLE_FRILLS
2727 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2728 tt_printf ("\x1b[201~");
2729 #endif
2514} 2730}
2515 2731
2516/* ------------------------------------------------------------------------- */
2517/*
2518 * Respond to a notification that a primary selection has been sent
2519 * EXT: SelectionNotify
2520 */
2521int
2522rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2523{
2524 long nread = 0;
2525 unsigned long bytes_after;
2526 XTextProperty ct;
2527
2528 D_SELECT ((stderr, "rxvt_selection_paste (%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2529
2530 if (prop == None) /* check for failed XConvertSelection */
2531 {
2532 if ((selection_type & Sel_CompoundText))
2533 {
2534 int selnum = selection_type & Sel_whereMask;
2535
2536 selection_type = 0;
2537 if (selnum != Sel_direct)
2538 selection_request_other (XA_STRING, selnum);
2539 }
2540
2541 if ((selection_type & Sel_UTF8String))
2542 {
2543 int selnum = selection_type & Sel_whereMask;
2544
2545 selection_type = Sel_CompoundText;
2546 if (selnum != Sel_direct)
2547 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2548 else
2549 selection_type = 0;
2550 }
2551
2552 return 0;
2553 }
2554
2555 for (;;)
2556 {
2557 if (XGetWindowProperty (display->display, win, prop, (long) (nread / 4),
2558 (long) (PROP_SIZE / 4), delete_prop,
2559 AnyPropertyType, &ct.encoding, &ct.format,
2560 &ct.nitems, &bytes_after,
2561 &ct.value) != Success)
2562 break;
2563
2564 if (ct.encoding == 0)
2565 {
2566 D_SELECT ((stderr, "rxvt_selection_paste: property didn't exist!"));
2567 break;
2568 }
2569
2570 if (ct.value == NULL)
2571 {
2572 D_SELECT ((stderr, "rxvt_selection_paste: property shooting blanks!"));
2573 continue;
2574 }
2575
2576 if (ct.nitems == 0)
2577 {
2578 D_SELECT ((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2579
2580 if (selection_wait == Sel_normal && nread == 0
2581 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2582 {
2583 /*
2584 * pass through again trying CUT_BUFFER0 if we've come from
2585 * XConvertSelection () but nothing was presented
2586 */
2587 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2588 selection_paste (display->root, XA_CUT_BUFFER0, False);
2589 }
2590
2591 nread = -1; /* discount any previous stuff */
2592 break;
2593 }
2594
2595 nread += ct.nitems;
2596
2597 char **cl;
2598 int cr;
2599 if (XmbTextPropertyToTextList (display->display, &ct, &cl,
2600 &cr) >= 0 && cl)
2601 {
2602 for (int i = 0; i < cr; i++)
2603 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2604
2605 XFreeStringList (cl);
2606 }
2607 else
2608 paste (ct.value, ct.nitems);
2609
2610 if (bytes_after == 0)
2611 break;
2612
2613 XFree (ct.value);
2614 }
2615
2616 if (ct.value)
2617 XFree (ct.value);
2618
2619 if (selection_wait == Sel_normal)
2620 selection_wait = Sel_none;
2621
2622 D_SELECT ((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2623 return (int)nread;
2624}
2625
2626void 2732void
2627rxvt_term::incr_cb (time_watcher &w) 2733rxvt_term::paste (char *data, unsigned int len) noexcept
2628{ 2734{
2629 selection_wait = Sel_none; 2735 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2630
2631 rxvt_print_error ("data loss: timeout on INCR selection paste");
2632}
2633
2634/*
2635 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2636 */
2637void
2638rxvt_term::selection_property (Window win, Atom prop)
2639{
2640 int reget_time = 0;
2641
2642 if (prop == None)
2643 return; 2736 return;
2644 2737
2645 D_SELECT ((stderr, "rxvt_selection_property (%08lx, %lu)", win, (unsigned long)prop)); 2738 tt_paste (data, len);
2646 if (selection_wait == Sel_normal)
2647 {
2648 int a, afmt;
2649 Atom atype;
2650 unsigned long bytes_after, nitems;
2651 unsigned char *s = NULL;
2652
2653 a = XGetWindowProperty (display->display, win, prop, 0L, 1L, False,
2654 xa[XA_INCR], &atype, &afmt, &nitems,
2655 &bytes_after, &s);
2656 if (s)
2657 XFree (s);
2658 if (a != Success)
2659 return;
2660
2661#ifndef __CYGWIN32__
2662 if (atype == xa[XA_INCR])
2663 { /* start an INCR transfer */
2664 D_SELECT ((stderr, "rxvt_selection_property: INCR: starting transfer"));
2665 XDeleteProperty (display->display, win, prop);
2666 XFlush (display->display);
2667 reget_time = 1;
2668 selection_wait = Sel_incr;
2669 }
2670#endif
2671
2672 }
2673 else if (selection_wait == Sel_incr)
2674 {
2675 reget_time = 1;
2676
2677 if (selection_paste (win, prop, True) == -1)
2678 {
2679 D_SELECT ((stderr, "rxvt_selection_property: INCR: clean end"));
2680 selection_wait = Sel_none;
2681 incr_ev.stop ();
2682 }
2683 }
2684 if (reget_time) /* received more data so reget time */
2685 incr_ev.start (NOW + 10);
2686} 2739}
2687 2740
2688/* ------------------------------------------------------------------------- */ 2741/* ------------------------------------------------------------------------- */
2689/* 2742/*
2690 * Request the current selection: 2743 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2691 * Order: > internal selection if available 2744 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2692 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2745 * as fallback
2693 * > CUT_BUFFER0
2694 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2695 * will auto fallback to CUT_BUFFER0
2696 * EXT: button 2 release 2746 * EXT: button 2 release
2697 */ 2747 */
2698void 2748void
2699rxvt_term::selection_request (Time tm, int x, int y) 2749rxvt_term::selection_request (Time tm, int selnum) noexcept
2700{ 2750{
2701 D_SELECT ((stderr, "rxvt_selection_request (%lu, %d, %d)", tm, x, y));
2702
2703 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2704 return; /* outside window */
2705
2706 if (selection.text) 2751 if (!selection_req)
2707 { /* internal selection */
2708 D_SELECT ((stderr, "rxvt_selection_request: pasting internal"));
2709 char *str = rxvt_wcstombs (selection.text, selection.len);
2710 paste ((unsigned char *)str, strlen (str));
2711 free (str);
2712 return;
2713 } 2752 {
2714 else 2753 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2754 selection_req->run ();
2715 { 2755 }
2716 int i;
2717
2718 selection_request_time = tm;
2719 selection_wait = Sel_normal;
2720 for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2721 {
2722#if X_HAVE_UTF8_STRING
2723 selection_type = Sel_UTF8String;
2724 if (selection_request_other (xa[XA_UTF8_STRING], i))
2725 return;
2726#else
2727 selection_type = Sel_CompoundText;
2728 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2729 return;
2730#endif
2731
2732 }
2733 }
2734
2735 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste () */
2736 D_SELECT ((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2737 selection_paste (display->root, XA_CUT_BUFFER0, False);
2738}
2739
2740int
2741rxvt_term::selection_request_other (Atom target, int selnum)
2742{
2743 Atom sel;
2744#ifdef DEBUG_SELECT
2745 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2746#endif
2747
2748 selection_type |= selnum;
2749
2750 if (selnum == Sel_Primary)
2751 sel = XA_PRIMARY;
2752 else if (selnum == Sel_Secondary)
2753 sel = XA_SECONDARY;
2754 else
2755 sel = xa[XA_CLIPBOARD];
2756
2757 if (XGetSelectionOwner (display->display, sel) != None)
2758 {
2759 D_SELECT ((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2760 XConvertSelection (display->display, sel, target, xa[XA_VT_SELECTION],
2761 TermWin.vt, selection_request_time);
2762 return 1;
2763 }
2764
2765 return 0;
2766} 2756}
2767 2757
2768/* ------------------------------------------------------------------------- */ 2758/* ------------------------------------------------------------------------- */
2769/* 2759/*
2770 * Clear all selected text 2760 * Clear all selected text
2771 * EXT: SelectionClear 2761 * EXT: SelectionClear
2772 */ 2762 */
2773void 2763void
2774rxvt_term::selection_clear () 2764rxvt_term::selection_clear (bool clipboard) noexcept
2775{ 2765{
2776 D_SELECT ((stderr, "rxvt_selection_clear ()")); 2766 if (!clipboard)
2777 2767 {
2778 want_refresh = 1; 2768 want_refresh = 1;
2779 free (selection.text); 2769 free (selection.text);
2780 selection.text = NULL; 2770 selection.text = NULL;
2781 selection.len = 0; 2771 selection.len = 0;
2782 CLEAR_SELECTION (); 2772 CLEAR_SELECTION ();
2773
2774 if (display->selection_owner == this)
2775 display->selection_owner = 0;
2776 }
2777 else
2778 {
2779 free (selection.clip_text);
2780 selection.clip_text = NULL;
2781 selection.clip_len = 0;
2782
2783 if (display->clipboard_owner == this)
2784 display->clipboard_owner = 0;
2785 }
2783} 2786}
2784 2787
2785/* ------------------------------------------------------------------------- */ 2788/* ------------------------------------------------------------------------- */
2786/* 2789/*
2787 * Copy a selection into the cut buffer 2790 * Copy a selection into the cut buffer
2788 * EXT: button 1 or 3 release 2791 * EXT: button 1 or 3 release
2789 */ 2792 */
2790void 2793void
2791rxvt_term::selection_make (Time tm) 2794rxvt_term::selection_make (Time tm)
2792{ 2795{
2793 int i, col, end_col, row, end_row; 2796 int size;
2794 wchar_t *new_selection_text; 2797 wchar_t *new_selection_text;
2795 text_t *t; 2798 text_t *t;
2796 2799
2797 D_SELECT ((stderr, "rxvt_selection_make (): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2798 switch (selection.op) 2800 switch (selection.op)
2799 { 2801 {
2800 case SELECTION_CONT: 2802 case SELECTION_CONT:
2801 break; 2803 break;
2802 case SELECTION_INIT: 2804 case SELECTION_INIT:
… …
2812 selection.op = SELECTION_DONE; 2814 selection.op = SELECTION_DONE;
2813 2815
2814 if (selection.clicks == 4) 2816 if (selection.clicks == 4)
2815 return; /* nothing selected, go away */ 2817 return; /* nothing selected, go away */
2816 2818
2819 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2820 return;
2821
2817 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1); 2822 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2818 new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t)); 2823 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2819 2824
2820 col = selection.beg.col;
2821 MAX_IT (col, 0);
2822 row = selection.beg.row + TermWin.saveLines;
2823 end_row = selection.end.row + TermWin.saveLines;
2824 int ofs = 0; 2825 int ofs = 0;
2825 int extra = 0; 2826 int extra = 0;
2826 2827
2828 int col = selection.beg.col;
2829 int row = selection.beg.row;
2830
2831 int end_col;
2832
2827 for (; row <= end_row; row++, col = 0) 2833 for (; row <= selection.end.row; row++, col = 0)
2828 { 2834 {
2829 t = &(screen.text[row][col]); 2835#if !ENABLE_MINIMAL
2830 2836 if (selection.rect)
2831 end_col = screen.tlen[row]; 2837 {
2832 2838 col = selection.beg.col;
2833 if (end_col == -1)
2834 end_col = TermWin.ncol; 2839 end_col = selection.end.col;
2840 }
2841 else
2842#endif
2843 end_col = ROW(row).l;
2835 2844
2845 col = max (col, 0);
2846
2836 if (row == end_row) 2847 if (row == selection.end.row)
2837 MIN_IT (end_col, selection.end.col); 2848 min_it (end_col, selection.end.col);
2849
2850 t = ROW(row).t + col;
2838 2851
2839 for (; col < end_col; col++) 2852 for (; col < end_col; col++)
2840 { 2853 {
2841 if (*t == NOCHAR) 2854 if (*t == NOCHAR)
2842 t++; 2855 t++;
2856#if ENABLE_COMBINING
2843 else if (IS_COMPOSE (*t)) 2857 else if (IS_COMPOSE (*t))
2844 { 2858 {
2845 int len = rxvt_composite.expand (*t, 0); 2859 int len = rxvt_composite.expand (*t);
2846 2860
2847 extra -= (len - 1); 2861 extra -= (len - 1);
2848 2862
2849 if (extra < 0) 2863 if (extra < 0)
2850 { 2864 {
2851 extra += i; 2865 extra += size;
2852 i += i; 2866 size += size;
2853 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t)); 2867 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2854 } 2868 }
2855 2869
2856 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs); 2870 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2857 } 2871 }
2872#endif
2858 else 2873 else
2859 new_selection_text[ofs++] = *t++; 2874 new_selection_text[ofs++] = *t++;
2860 } 2875 }
2861 2876
2862 if (screen.tlen[row] != -1 && row != end_row) 2877#if !ENABLE_MINIMAL
2878 if (selection.rect)
2879 {
2880 while (ofs
2881 && new_selection_text[ofs - 1] != C0_LF
2882 && unicode::is_space (new_selection_text[ofs - 1]))
2883 --ofs;
2884
2863 new_selection_text[ofs++] = L'\n'; 2885 new_selection_text[ofs++] = C0_LF;
2864 } 2886 }
2865 2887 else
2866#ifndef NO_OLD_SELECTION 2888#endif
2867 if (selection_style == OLD_SELECT) 2889 if (!ROW(row).is_longer ()
2868 if (end_col == TermWin.ncol) 2890 && (row != selection.end.row || end_col != selection.end.col)
2891 && (row != selection.beg.row || selection.beg.col < ncol))
2869 new_selection_text[ofs++] = L'\n'; 2892 new_selection_text[ofs++] = C0_LF;
2870#endif 2893 }
2871#ifndef NO_NEW_SELECTION 2894
2872 if (selection_style != OLD_SELECT)
2873 if (end_col != selection.end.col)
2874 new_selection_text[ofs++] = L'\n';
2875#endif
2876 new_selection_text[ofs] = 0; 2895 new_selection_text[ofs] = 0;
2877 2896
2878 if (ofs == 0) 2897 if (ofs == 0)
2879 { 2898 {
2880 free (new_selection_text); 2899 free (new_selection_text);
… …
2885 2904
2886 // we usually allocate much more than necessary, so realloc it smaller again 2905 // we usually allocate much more than necessary, so realloc it smaller again
2887 selection.len = ofs; 2906 selection.len = ofs;
2888 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t)); 2907 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2889 2908
2890 XSetSelectionOwner (display->display, XA_PRIMARY, TermWin.vt, tm); 2909 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2891 if (XGetSelectionOwner (display->display, XA_PRIMARY) == TermWin.vt) 2910 return;
2892 display->set_selection_owner (this); 2911
2912 selection_grab (tm);
2913}
2914
2915bool
2916rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2917{
2918 Atom sel;
2919
2920 if (!clipboard)
2921 {
2922 selection_time = tm;
2923 sel = XA_PRIMARY;
2924 }
2893 else 2925 else
2894 rxvt_print_error ("can't get primary selection"); 2926 {
2927 clipboard_time = tm;
2928 sel = xa[XA_CLIPBOARD];
2929 }
2930
2931 XSetSelectionOwner (dpy, sel, vt, tm);
2932 if (XGetSelectionOwner (dpy, sel) == vt)
2933 {
2934 display->set_selection_owner (this, clipboard);
2935 return true;
2936 }
2937 else
2938 {
2939 selection_clear (clipboard);
2940 return false;
2941 }
2895 2942
2896#if 0 2943#if 0
2897 XTextProperty ct; 2944 XTextProperty ct;
2898 2945
2899 if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0) 2946 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2900 { 2947 {
2901 XChangeProperty (display->display, display->root, XA_CUT_BUFFER0, XA_STRING, 8, 2948 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2902 PropModeReplace, ct.value, ct.nitems);
2903 XFree (ct.value); 2949 XFree (ct.value);
2904 } 2950 }
2905#endif 2951#endif
2906
2907 selection_time = tm;
2908 D_SELECT ((stderr, "rxvt_selection_make (): selection.len=%d", selection.len));
2909} 2952}
2910 2953
2911/* ------------------------------------------------------------------------- */ 2954/* ------------------------------------------------------------------------- */
2912/* 2955/*
2913 * Mark or select text based upon number of clicks: 1, 2, or 3 2956 * Mark or select text based upon number of clicks: 1, 2, or 3
2914 * EXT: button 1 press 2957 * EXT: button 1 press
2915 */ 2958 */
2916void 2959void ecb_cold
2917rxvt_term::selection_click (int clicks, int x, int y) 2960rxvt_term::selection_click (int clicks, int x, int y) noexcept
2918{ 2961{
2919 D_SELECT ((stderr, "rxvt_selection_click (%d, %d, %d)", clicks, x, y));
2920
2921 clicks = ((clicks - 1) % 3) + 1; 2962 clicks = ((clicks - 1) % 3) + 1;
2922 selection.clicks = clicks; /* save clicks so extend will work */ 2963 selection.clicks = clicks; /* save clicks so extend will work */
2923 2964
2965 if (clicks == 2 && !selection.rect
2966 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2967 {
2968 MEvent.clicks = 1; // what a mess
2969 selection.screen = current_screen;
2970 selection.op = SELECTION_CONT;
2971 return;
2972 }
2973
2924 selection_start_colrow (Pixel2Col (x), Pixel2Row (y)); 2974 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2925 2975
2926 if (clicks == 2 || clicks == 3) 2976 if (clicks == 2 || clicks == 3)
2927 selection_extend_colrow (selection.mark.col, 2977 selection_extend_colrow (selection.mark.col,
2928 selection.mark.row + TermWin.view_start, 2978 selection.mark.row - view_start,
2929 0, /* button 3 */ 2979 0, /* button 3 */
2930 1, /* button press */ 2980 1, /* button press */
2931 0); /* click change */ 2981 0); /* click change */
2932} 2982}
2933 2983
2934/* ------------------------------------------------------------------------- */ 2984/* ------------------------------------------------------------------------- */
2935/* 2985/*
2936 * Mark a selection at the specified col/row 2986 * Mark a selection at the specified col/row
2937 */ 2987 */
2938void 2988void ecb_cold
2939rxvt_term::selection_start_colrow (int col, int row) 2989rxvt_term::selection_start_colrow (int col, int row) noexcept
2940{ 2990{
2941 want_refresh = 1; 2991 want_refresh = 1;
2992
2993 selection.mark.row = row + view_start;
2942 selection.mark.col = col; 2994 selection.mark.col = col;
2943 selection.mark.row = row - TermWin.view_start; 2995
2944 MAX_IT (selection.mark.row, - (int32_t)TermWin.nscrolled); 2996 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2945 MIN_IT (selection.mark.row, (int32_t)TermWin.nrow - 1); 2997 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2998
2946 MAX_IT (selection.mark.col, 0); 2999 while (selection.mark.col > 0
2947 MIN_IT (selection.mark.col, (int32_t)TermWin.ncol - 1); 3000 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3001 --selection.mark.col;
2948 3002
2949 if (selection.op) 3003 if (selection.op)
3004 {
2950 { /* clear the old selection */ 3005 /* clear the old selection */
2951 selection.beg.row = selection.end.row = selection.mark.row; 3006 selection.beg.row = selection.end.row = selection.mark.row;
2952 selection.beg.col = selection.end.col = selection.mark.col; 3007 selection.beg.col = selection.end.col = selection.mark.col;
2953 } 3008 }
3009
2954 selection.op = SELECTION_INIT; 3010 selection.op = SELECTION_INIT;
2955 selection.screen = current_screen; 3011 selection.screen = current_screen;
2956} 3012}
2957 3013
2958/* ------------------------------------------------------------------------- */ 3014/* ------------------------------------------------------------------------- */
… …
2960 * Word select: select text for 2 clicks 3016 * Word select: select text for 2 clicks
2961 * We now only find out the boundary in one direction 3017 * We now only find out the boundary in one direction
2962 */ 3018 */
2963 3019
2964/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3020/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2965#define DELIMIT_TEXT(x) \ 3021#define DELIMIT_TEXT(x) \
2966 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR (rs[Rs_cutchars], (x)) != NULL)) 3022 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2967#define DELIMIT_REND(x) 1 3023#define DELIMIT_REND(x) 1
2968 3024
2969void 3025void ecb_cold
2970rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3026rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2971{ 3027{
2972 int col, row, dirnadd, tcol, trow, w1, w2; 3028 int col, row, dirnadd, tcol, trow, w1, w2;
2973 row_col_t bound; 3029 row_col_t bound;
2974 text_t *stp; 3030 text_t *stp;
2975 rend_t *srp; 3031 rend_t *srp;
2976 3032
2977 if (dirn == UP) 3033 if (dirn == UP)
2978 { 3034 {
2979 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3035 bound.row = top_row - 1;
2980 bound.col = 0; 3036 bound.col = 0;
2981 dirnadd = -1; 3037 dirnadd = -1;
2982 } 3038 }
2983 else 3039 else
2984 { 3040 {
2985 bound.row = TermWin.saveLines + TermWin.nrow; 3041 bound.row = nrow;
2986 bound.col = TermWin.ncol - 1; 3042 bound.col = ncol - 1;
2987 dirnadd = 1; 3043 dirnadd = 1;
2988 } 3044 }
2989 row = mark->row + TermWin.saveLines; 3045
3046 row = mark->row;
2990 col = mark->col; 3047 col = max (mark->col, 0);
2991 MAX_IT (col, 0); 3048
2992 /* find the edge of a word */ 3049 /* find the edge of a word */
2993 stp = & (screen.text[row][col]); 3050 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2994 w1 = DELIMIT_TEXT (*stp); 3051 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2995 3052
2996 if (selection_style != NEW_SELECT) 3053 for (;;)
2997 { 3054 {
2998 if (w1 == 1) 3055 for (; col != bound.col; col += dirnadd)
2999 { 3056 {
3000 stp += dirnadd; 3057 stp += dirnadd;
3001 if (DELIMIT_TEXT (*stp) == 1)
3002 goto Old_Word_Selection_You_Die;
3003 col += dirnadd;
3004 }
3005 w1 = 0;
3006 }
3007 srp = (&screen.rend[row][col]);
3008 w2 = DELIMIT_REND (*srp);
3009
3010 for (;;)
3011 {
3012 for (; col != bound.col; col += dirnadd)
3013 {
3014 stp += dirnadd; 3058 srp += dirnadd;
3059
3060 if (*stp == NOCHAR)
3061 continue;
3062
3015 if (DELIMIT_TEXT (*stp) != w1) 3063 if (DELIMIT_TEXT (*stp) != w1)
3016 break; 3064 break;
3017 srp += dirnadd;
3018 if (DELIMIT_REND (*srp) != w2) 3065 if (DELIMIT_REND (*srp) != w2)
3019 break; 3066 break;
3020 } 3067 }
3068
3021 if ((col == bound.col) && (row != bound.row)) 3069 if ((col == bound.col) && (row != bound.row))
3022 { 3070 {
3023 if (screen.tlen[ (row - (dirn == UP ? 1 : 0))] == -1) 3071 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3024 { 3072 {
3025 trow = row + dirnadd; 3073 trow = row + dirnadd;
3026 tcol = dirn == UP ? TermWin.ncol - 1 : 0; 3074 tcol = dirn == UP ? ncol - 1 : 0;
3027 if (screen.text[trow] == NULL) 3075
3076 if (!ROW(trow).t)
3028 break; 3077 break;
3029 stp = & (screen.text[trow][tcol]); 3078
3030 srp = & (screen.rend[trow][tcol]); 3079 stp = ROW(trow).t + tcol;
3080 srp = ROW(trow).r + tcol;
3081
3031 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2) 3082 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
3032 break; 3083 break;
3084
3033 row = trow; 3085 row = trow;
3034 col = tcol; 3086 col = tcol;
3035 continue; 3087 continue;
3036 } 3088 }
3037 } 3089 }
3038 break; 3090 break;
3039 } 3091 }
3040Old_Word_Selection_You_Die:
3041 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));
3042 3092
3043 if (dirn == DN) 3093 if (dirn == DN)
3044 col++; /* put us on one past the end */ 3094 col++; /* put us on one past the end */
3045 3095
3046 /* Poke the values back in */ 3096 /* Poke the values back in */
3047 ret->row = row - TermWin.saveLines; 3097 ret->row = row;
3048 ret->col = col; 3098 ret->col = col;
3049} 3099}
3050 3100
3051/* ------------------------------------------------------------------------- */ 3101/* ------------------------------------------------------------------------- */
3052/* 3102/*
… …
3054 * EXT: button 3 press; button 1 or 3 drag 3104 * EXT: button 3 press; button 1 or 3 drag
3055 * flag == 0 ==> button 1 3105 * flag == 0 ==> button 1
3056 * flag == 1 ==> button 3 press 3106 * flag == 1 ==> button 3 press
3057 * flag == 2 ==> button 3 motion 3107 * flag == 2 ==> button 3 motion
3058 */ 3108 */
3059void 3109void ecb_cold
3060rxvt_term::selection_extend (int x, int y, int flag) 3110rxvt_term::selection_extend (int x, int y, int flag) noexcept
3061{ 3111{
3062 int col, row; 3112 int col = clamp (Pixel2Col (x), 0, ncol);
3113 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3063 3114
3064 col = Pixel2Col (x);
3065 row = Pixel2Row (y);
3066 MAX_IT (row, 0);
3067 MIN_IT (row, (int)TermWin.nrow - 1);
3068 MAX_IT (col, 0);
3069 MIN_IT (col, (int)TermWin.ncol);
3070
3071#ifndef NO_NEW_SELECTION
3072 /* 3115 /*
3073 * If we're selecting characters (single click) then we must check first 3116 * If we're selecting characters (single click) then we must check first
3074 * if we are at the same place as the original mark. If we are then 3117 * if we are at the same place as the original mark. If we are then
3075 * select nothing. Otherwise, if we're to the right of the mark, you have to 3118 * select nothing. Otherwise, if we're to the right of the mark, you have to
3076 * be _past_ a character for it to be selected. 3119 * be _past_ a character for it to be selected.
3077 */ 3120 */
3078 if (selection_style != OLD_SELECT)
3079 {
3080 if (((selection.clicks % 3) == 1) && !flag 3121 if (((selection.clicks % 3) == 1) && !flag
3081 && (col == selection.mark.col 3122 && (col == selection.mark.col
3082 && (row == selection.mark.row + TermWin.view_start))) 3123 && (row == selection.mark.row - view_start)))
3083 { 3124 {
3084 /* select nothing */ 3125 /* select nothing */
3085 selection.beg.row = selection.end.row = 0; 3126 selection.beg.row = selection.end.row = 0;
3086 selection.beg.col = selection.end.col = 0; 3127 selection.beg.col = selection.end.col = 0;
3087 selection.clicks = 4; 3128 selection.clicks = 4;
3088 want_refresh = 1; 3129 want_refresh = 1;
3089 D_SELECT ((stderr, "rxvt_selection_extend () selection.clicks = 4"));
3090 return; 3130 return;
3091 }
3092 } 3131 }
3093#endif 3132
3094 if (selection.clicks == 4) 3133 if (selection.clicks == 4)
3095 selection.clicks = 1; 3134 selection.clicks = 1;
3096 3135
3097 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3136 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3098 flag == 1 ? 1 : 0, /* ? button press */ 3137 flag == 1 ? 1 : 0, /* ? button press */
… …
3101 3140
3102/* ------------------------------------------------------------------------- */ 3141/* ------------------------------------------------------------------------- */
3103/* 3142/*
3104 * Extend the selection to the specified col/row 3143 * Extend the selection to the specified col/row
3105 */ 3144 */
3106void 3145void ecb_cold
3107rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3146rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3108{ 3147{
3109 int16_t ncol = TermWin.ncol;
3110 int end_col;
3111 row_col_t pos; 3148 row_col_t pos;
3112 enum { 3149 enum {
3113 LEFT, RIGHT 3150 LEFT, RIGHT
3114 } closeto = RIGHT; 3151 } closeto = RIGHT;
3115 3152
3116 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));
3117 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));
3118
3119 want_refresh = 1;
3120 switch (selection.op) 3153 switch (selection.op)
3121 { 3154 {
3122 case SELECTION_INIT: 3155 case SELECTION_INIT:
3123 CLEAR_SELECTION (); 3156 CLEAR_SELECTION ();
3124 selection.op = SELECTION_BEGIN; 3157 selection.op = SELECTION_BEGIN;
… …
3137 selection_start_colrow (col, row); 3170 selection_start_colrow (col, row);
3138 /* FALLTHROUGH */ 3171 /* FALLTHROUGH */
3139 default: 3172 default:
3140 return; 3173 return;
3141 } 3174 }
3175
3142 if (selection.beg.col == selection.end.col 3176 if (selection.beg.col == selection.end.col
3143 && selection.beg.col != selection.mark.col 3177 && selection.beg.col != selection.mark.col
3144 && selection.beg.row == selection.end.row 3178 && selection.beg.row == selection.end.row
3145 && selection.beg.row != selection.mark.row) 3179 && selection.beg.row != selection.mark.row)
3146 { 3180 {
3147 selection.beg.col = selection.end.col = selection.mark.col; 3181 selection.beg.col = selection.end.col = selection.mark.col;
3148 selection.beg.row = selection.end.row = selection.mark.row; 3182 selection.beg.row = selection.end.row = selection.mark.row;
3149 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));
3150 } 3183 }
3151 3184
3152 pos.col = col; 3185 pos.col = col;
3153 pos.row = row; 3186 pos.row = view_start + row;
3154 3187
3155 pos.row -= TermWin.view_start; /* adjust for scroll */
3156
3157#ifndef NO_OLD_SELECTION
3158 /*
3159 * This mimics some of the selection behaviour of version 2.20 and before.
3160 * There are no ``selection modes'', button3 is always character extension.
3161 * Note: button3 drag is always available, c.f. v2.20
3162 * Selection always terminates (left or right as appropriate) at the mark.
3163 */
3164 if (selection_style == OLD_SELECT)
3165 {
3166 if (selection.clicks == 1 || button3)
3167 {
3168 if (hate_those_clicks)
3169 {
3170 hate_those_clicks = 0;
3171 if (selection.clicks == 1)
3172 {
3173 selection.beg.row = selection.mark.row;
3174 selection.beg.col = selection.mark.col;
3175 }
3176 else
3177 {
3178 selection.mark.row = selection.beg.row;
3179 selection.mark.col = selection.beg.col;
3180 }
3181 }
3182 if (ROWCOL_IS_BEFORE (pos, selection.mark))
3183 {
3184 selection.end.row = selection.mark.row;
3185 selection.end.col = selection.mark.col + 1;
3186 selection.beg.row = pos.row;
3187 selection.beg.col = pos.col;
3188 }
3189 else
3190 {
3191 selection.beg.row = selection.mark.row;
3192 selection.beg.col = selection.mark.col;
3193 selection.end.row = pos.row;
3194 selection.end.col = pos.col + 1;
3195 }
3196 }
3197 else if (selection.clicks == 2)
3198 {
3199 selection_delimit_word (UP, & (selection.mark),
3200 & (selection.beg));
3201 selection_delimit_word (DN, & (selection.mark),
3202 & (selection.end));
3203 hate_those_clicks = 1;
3204 }
3205 else if (selection.clicks == 3)
3206 {
3207 selection.beg.row = selection.end.row = selection.mark.row;
3208 selection.beg.col = 0;
3209 selection.end.col = ncol;
3210 hate_those_clicks = 1;
3211 }
3212 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));
3213 return;
3214 }
3215#endif /* ! NO_OLD_SELECTION */
3216#ifndef NO_NEW_SELECTION
3217 /* selection_style must not be OLD_SELECT to get here */
3218 /* 3188 /*
3219 * This is mainly xterm style selection with a couple of differences, mainly 3189 * This is mainly xterm style selection with a couple of differences, mainly
3220 * in the way button3 drag extension works. 3190 * in the way button3 drag extension works.
3221 * We're either doing: button1 drag; button3 press; or button3 drag 3191 * We're either doing: button1 drag; button3 press; or button3 drag
3222 * a) button1 drag : select around a midpoint/word/line - that point/word/line 3192 * a) button1 drag : select around a midpoint/word/line - that point/word/line
… …
3227 * a point/word/line which is either the start or end of the selection 3197 * a point/word/line which is either the start or end of the selection
3228 * and it was decided by whichever point/word/line was `fixed' at the 3198 * and it was decided by whichever point/word/line was `fixed' at the
3229 * time of the most recent button3 press 3199 * time of the most recent button3 press
3230 */ 3200 */
3231 if (button3 && buttonpress) 3201 if (button3 && buttonpress)
3202 {
3232 { /* button3 press */ 3203 /* button3 press */
3233 /* 3204 /*
3234 * first determine which edge of the selection we are closest to 3205 * first determine which edge of the selection we are closest to
3235 */ 3206 */
3236 if (ROWCOL_IS_BEFORE (pos, selection.beg) 3207 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3237 || (!ROWCOL_IS_AFTER (pos, selection.end) 3208 || (!ROWCOL_IS_AFTER (pos, selection.end)
3238 && (((pos.col - selection.beg.col) 3209 && (((pos.col - selection.beg.col)
3239 + ((pos.row - selection.beg.row) * ncol)) 3210 + ((pos.row - selection.beg.row) * ncol))
3240 < ((selection.end.col - pos.col) 3211 < ((selection.end.col - pos.col)
3241 + ((selection.end.row - pos.row) * ncol))))) 3212 + ((selection.end.row - pos.row) * ncol)))))
3242 closeto = LEFT; 3213 closeto = LEFT;
3214
3243 if (closeto == LEFT) 3215 if (closeto == LEFT)
3244 { 3216 {
3245 selection.beg.row = pos.row; 3217 selection.beg.row = pos.row;
3246 selection.beg.col = pos.col; 3218 selection.beg.col = pos.col;
3247 selection.mark.row = selection.end.row; 3219 selection.mark.row = selection.end.row;
3248 selection.mark.col = selection.end.col 3220 selection.mark.col = selection.end.col - (selection.clicks == 2);
3249 - (selection.clicks == 2);
3250 } 3221 }
3251 else 3222 else
3252 { 3223 {
3253 selection.end.row = pos.row; 3224 selection.end.row = pos.row;
3254 selection.end.col = pos.col; 3225 selection.end.col = pos.col;
3255 selection.mark.row = selection.beg.row; 3226 selection.mark.row = selection.beg.row;
3256 selection.mark.col = selection.beg.col; 3227 selection.mark.col = selection.beg.col;
3257 } 3228 }
3258 } 3229 }
3259 else 3230 else
3231 {
3260 { /* button1 drag or button3 drag */ 3232 /* button1 drag or button3 drag */
3261 if (ROWCOL_IS_AFTER (selection.mark, pos)) 3233 if (ROWCOL_IS_AFTER (selection.mark, pos))
3262 { 3234 {
3263 if ((selection.mark.row == selection.end.row) 3235 if (selection.mark.row == selection.end.row
3264 && (selection.mark.col == selection.end.col) 3236 && selection.mark.col == selection.end.col
3237 && clickchange
3265 && clickchange && selection.clicks == 2) 3238 && selection.clicks == 2)
3266 selection.mark.col--; 3239 selection.mark.col--;
3240
3267 selection.beg.row = pos.row; 3241 selection.beg.row = pos.row;
3268 selection.beg.col = pos.col; 3242 selection.beg.col = pos.col;
3269 selection.end.row = selection.mark.row; 3243 selection.end.row = selection.mark.row;
3270 selection.end.col = selection.mark.col 3244 selection.end.col = selection.mark.col + (selection.clicks == 2);
3271 + (selection.clicks == 2);
3272 } 3245 }
3273 else 3246 else
3274 { 3247 {
3275 selection.beg.row = selection.mark.row; 3248 selection.beg.row = selection.mark.row;
3276 selection.beg.col = selection.mark.col; 3249 selection.beg.col = selection.mark.col;
… …
3279 } 3252 }
3280 } 3253 }
3281 3254
3282 if (selection.clicks == 1) 3255 if (selection.clicks == 1)
3283 { 3256 {
3284 end_col = screen.tlen[selection.beg.row + TermWin.saveLines]; 3257 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3285 if (end_col != -1 && selection.beg.col > end_col) 3258 && !ROW(selection.beg.row).is_longer ()
3259#if !ENABLE_MINIMAL
3260 && !selection.rect
3261#endif
3286 { 3262 )
3287#if 1
3288 selection.beg.col = ncol; 3263 selection.beg.col = ncol;
3289#else
3290 if (selection.beg.row != selection.end.row)
3291 selection.beg.col = ncol;
3292 else
3293 selection.beg.col = selection.mark.col;
3294#endif
3295 3264
3265 if (
3266 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3267 && !ROW(selection.end.row).is_longer ()
3268#if !ENABLE_MINIMAL
3269 && !selection.rect
3270#endif
3296 } 3271 )
3297 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3298 if (end_col != -1 && selection.end.col > end_col)
3299 selection.end.col = ncol; 3272 selection.end.col = ncol;
3300
3301 } 3273 }
3302 else if (selection.clicks == 2) 3274 else if (selection.clicks == 2)
3303 { 3275 {
3304 if (ROWCOL_IS_AFTER (selection.end, selection.beg)) 3276 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3305 selection.end.col--; 3277 selection.end.col--;
3278
3306 selection_delimit_word (UP, & (selection.beg), 3279 selection_delimit_word (UP, &selection.beg, &selection.beg);
3307 & (selection.beg));
3308 selection_delimit_word (DN, & (selection.end), 3280 selection_delimit_word (DN, &selection.end, &selection.end);
3309 & (selection.end));
3310 } 3281 }
3311 else if (selection.clicks == 3) 3282 else if (selection.clicks == 3)
3312 { 3283 {
3313#ifndef NO_FRILLS 3284#if ENABLE_FRILLS
3314 if ((Options & Opt_tripleclickwords)) 3285 if (option (Opt_tripleclickwords))
3315 { 3286 {
3316 int end_row;
3317
3318 selection_delimit_word (UP, & (selection.beg), 3287 selection_delimit_word (UP, &selection.beg, &selection.beg);
3319 & (selection.beg)); 3288
3320 end_row = screen.tlen[selection.mark.row
3321 + TermWin.saveLines];
3322 for (end_row = selection.mark.row; end_row < TermWin.nrow; 3289 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3323 end_row++)
3324 { 3290 {
3325 end_col = screen.tlen[end_row + TermWin.saveLines]; 3291 if (!ROW(end_row).is_longer ())
3326 if (end_col != -1)
3327 { 3292 {
3328 selection.end.row = end_row; 3293 selection.end.row = end_row;
3329 selection.end.col = end_col; 3294 selection.end.col = ROW(end_row).l;
3295# if !ENABLE_MINIMAL
3330 selection_remove_trailing_spaces (); 3296 selection_remove_trailing_spaces ();
3297# endif
3331 break; 3298 break;
3332 } 3299 }
3333 } 3300 }
3334 } 3301 }
3335 else 3302 else
3336#endif 3303#endif
3337
3338 { 3304 {
3339 if (ROWCOL_IS_AFTER (selection.mark, selection.beg)) 3305 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3340 selection.mark.col++; 3306 selection.mark.col++;
3307
3341 selection.beg.col = 0; 3308 selection.beg.col = 0;
3342 selection.end.col = ncol; 3309 selection.end.col = ncol;
3310
3311 // select a complete logical line
3312 while (selection.beg.row > -saveLines
3313 && ROW(selection.beg.row - 1).is_longer ())
3314 selection.beg.row--;
3315
3316 while (selection.end.row < nrow
3317 && ROW(selection.end.row).is_longer ())
3318 selection.end.row++;
3343 } 3319 }
3344 } 3320 }
3321
3345 if (button3 && buttonpress) 3322 if (button3 && buttonpress)
3323 {
3346 { /* mark may need to be changed */ 3324 /* mark may need to be changed */
3347 if (closeto == LEFT) 3325 if (closeto == LEFT)
3348 { 3326 {
3349 selection.mark.row = selection.end.row; 3327 selection.mark.row = selection.end.row;
3350 selection.mark.col = selection.end.col 3328 selection.mark.col = selection.end.col - (selection.clicks == 2);
3351 - (selection.clicks == 2);
3352 } 3329 }
3353 else 3330 else
3354 { 3331 {
3355 selection.mark.row = selection.beg.row; 3332 selection.mark.row = selection.beg.row;
3356 selection.mark.col = selection.beg.col; 3333 selection.mark.col = selection.beg.col;
3357 } 3334 }
3358 } 3335 }
3359 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));
3360#endif /* ! NO_NEW_SELECTION */
3361}
3362 3336
3363#ifndef NO_FRILLS 3337#if !ENABLE_MINIMAL
3364void 3338 if (selection.rect && selection.beg.col > selection.end.col)
3339 ::swap (selection.beg.col, selection.end.col);
3340#endif
3341
3342 selection_changed ();
3343}
3344
3345#if !ENABLE_MINIMAL
3346void ecb_cold
3365rxvt_term::selection_remove_trailing_spaces () 3347rxvt_term::selection_remove_trailing_spaces () noexcept
3366{ 3348{
3367 int32_t end_col, end_row; 3349 int32_t end_col, end_row;
3368 text_t *stp; 3350 text_t *stp;
3369 3351
3370 end_col = selection.end.col; 3352 end_col = selection.end.col;
3371 end_row = selection.end.row; 3353 end_row = selection.end.row;
3354
3372 for ( ; end_row >= selection.beg.row; ) 3355 for (; end_row >= selection.beg.row; )
3373 { 3356 {
3374 stp = screen.text[end_row + TermWin.saveLines]; 3357 stp = ROW(end_row).t;
3358
3375 while (--end_col >= 0) 3359 while (--end_col >= 0)
3376 { 3360 {
3377 if (stp[end_col] != ' ' && stp[end_col] != '\t') 3361 if (stp[end_col] != NOCHAR
3362 && !unicode::is_space (stp[end_col]))
3378 break; 3363 break;
3379 } 3364 }
3365
3380 if (end_col >= 0 3366 if (end_col >= 0
3381 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) 3367 || !ROW(end_row - 1).is_longer ())
3382 { 3368 {
3383 selection.end.col = end_col + 1; 3369 selection.end.col = end_col + 1;
3384 selection.end.row = end_row; 3370 selection.end.row = end_row;
3385 break; 3371 break;
3386 } 3372 }
3373
3387 end_row--; 3374 end_row--;
3388 end_col = TermWin.ncol; 3375 end_col = ncol;
3389 } 3376 }
3377
3390 if (selection.mark.row > selection.end.row) 3378 if (selection.mark.row > selection.end.row)
3391 { 3379 {
3392 selection.mark.row = selection.end.row; 3380 selection.mark.row = selection.end.row;
3393 selection.mark.col = selection.end.col; 3381 selection.mark.col = selection.end.col;
3394 } 3382 }
… …
3401/* ------------------------------------------------------------------------- */ 3389/* ------------------------------------------------------------------------- */
3402/* 3390/*
3403 * Double click on button 3 when already selected 3391 * Double click on button 3 when already selected
3404 * EXT: button 3 double click 3392 * EXT: button 3 double click
3405 */ 3393 */
3406void 3394void ecb_cold
3407rxvt_term::selection_rotate (int x, int y) 3395rxvt_term::selection_rotate (int x, int y) noexcept
3408{ 3396{
3409 selection.clicks = selection.clicks % 3 + 1; 3397 selection.clicks = selection.clicks % 3 + 1;
3410 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3398 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3411} 3399}
3412 3400
3413/* ------------------------------------------------------------------------- */ 3401/* ------------------------------------------------------------------------- */
3414/* 3402/*
3415 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3416 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3417 * the X11 protocol.
3418 */
3419typedef CARD32 Atom32;
3420
3421/* ------------------------------------------------------------------------- */
3422/*
3423 * Respond to a request for our current selection 3403 * Respond to a request for our current selection
3424 * EXT: SelectionRequest 3404 * EXT: SelectionRequest
3425 */ 3405 */
3426void 3406void ecb_cold
3427rxvt_term::selection_send (const XSelectionRequestEvent &rq) 3407rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3428{ 3408{
3409 Atom property = rq.property == None ? rq.target : rq.property;
3429 XSelectionEvent ev; 3410 XSelectionEvent ev;
3430 XTextProperty ct;
3431 XICCEncodingStyle style;
3432 Atom target;
3433 3411
3434 ev.type = SelectionNotify; 3412 ev.type = SelectionNotify;
3435 ev.property = None; 3413 ev.property = None;
3436 ev.display = rq.display; 3414 ev.display = rq.display;
3437 ev.requestor = rq.requestor; 3415 ev.requestor = rq.requestor;
… …
3439 ev.target = rq.target; 3417 ev.target = rq.target;
3440 ev.time = rq.time; 3418 ev.time = rq.time;
3441 3419
3442 if (rq.target == xa[XA_TARGETS]) 3420 if (rq.target == xa[XA_TARGETS])
3443 { 3421 {
3444 Atom32 target_list[6]; 3422 Atom target_list[6];
3445 Atom32 *target = target_list; 3423 Atom *target = target_list;
3446 3424
3447 *target++ = (Atom32) xa[XA_TARGETS]; 3425 *target++ = xa[XA_TARGETS];
3448 *target++ = (Atom32) xa[XA_TIMESTAMP]; 3426 *target++ = xa[XA_TIMESTAMP];
3449 *target++ = (Atom32) XA_STRING; 3427 *target++ = XA_STRING;
3450 *target++ = (Atom32) xa[XA_TEXT]; 3428 *target++ = xa[XA_TEXT];
3451 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3429 *target++ = xa[XA_COMPOUND_TEXT];
3452#if X_HAVE_UTF8_STRING 3430#if X_HAVE_UTF8_STRING
3453 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3431 *target++ = xa[XA_UTF8_STRING];
3454#endif 3432#endif
3455 3433
3456 XChangeProperty (display->display, rq.requestor, rq.property, XA_ATOM, 3434 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3457 (8 * sizeof (target_list[0])), PropModeReplace, 3435 32, PropModeReplace,
3458 (unsigned char *)target_list, 3436 (unsigned char *)target_list, target - target_list);
3459 target - target_list);
3460 ev.property = rq.property; 3437 ev.property = property;
3461 } 3438 }
3439#if TODO // TODO
3462 else if (rq.target == xa[XA_MULTIPLE]) 3440 else if (rq.target == xa[XA_MULTIPLE])
3463 { 3441 {
3464 /* TODO: Handle MULTIPLE */ 3442 /* TODO: Handle MULTIPLE */
3465 } 3443 }
3444#endif
3466 else if (rq.target == xa[XA_TIMESTAMP] && selection.text) 3445 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3467 { 3446 {
3468 XChangeProperty (display->display, rq.requestor, rq.property, XA_INTEGER, 3447 XChangeProperty (dpy, rq.requestor, property, rq.target,
3469 (8 * sizeof (Time)), PropModeReplace,
3470 (unsigned char *)&selection_time, 1); 3448 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3471 ev.property = rq.property; 3449 ev.property = property;
3450 }
3451 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3452 {
3453 XChangeProperty (dpy, rq.requestor, property, rq.target,
3454 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3455 ev.property = property;
3472 } 3456 }
3473 else if (rq.target == XA_STRING 3457 else if (rq.target == XA_STRING
3474 || rq.target == xa[XA_TEXT] 3458 || rq.target == xa[XA_TEXT]
3475 || rq.target == xa[XA_COMPOUND_TEXT] 3459 || rq.target == xa[XA_COMPOUND_TEXT]
3476 || rq.target == xa[XA_UTF8_STRING] 3460 || rq.target == xa[XA_UTF8_STRING]
3477 ) 3461 )
3478 { 3462 {
3463 XTextProperty ct;
3464 Atom target = rq.target;
3479 short freect = 0; 3465 short freect = 0;
3480 int selectlen; 3466 int selectlen;
3481 wchar_t *cl; 3467 wchar_t *cl;
3482 3468 enum {
3483 target = rq.target; 3469 enc_string = XStringStyle,
3470 enc_text = XStdICCTextStyle,
3471 enc_compound_text = XCompoundTextStyle,
3472#ifdef X_HAVE_UTF8_STRING
3473 enc_utf8 = XUTF8StringStyle,
3474#else
3475 enc_utf8 = -1,
3476#endif
3477 } style;
3484 3478
3485 if (target == XA_STRING) 3479 if (target == XA_STRING)
3486 // we actually don't do XA_STRING, but who cares, as i18n clients 3480 // we actually don't do XA_STRING, but who cares, as i18n clients
3487 // will ask for another format anyways. 3481 // will ask for another format anyways.
3488 style = XStringStyle; 3482 style = enc_string;
3489 else if (target == xa[XA_TEXT]) 3483 else if (target == xa[XA_TEXT])
3490 style = XStdICCTextStyle; 3484 style = enc_text;
3491 else if (target == xa[XA_COMPOUND_TEXT]) 3485 else if (target == xa[XA_COMPOUND_TEXT])
3492 style = XCompoundTextStyle; 3486 style = enc_compound_text;
3493#if X_HAVE_UTF8_STRING 3487#if !ENABLE_MINIMAL
3494 else if (target == xa[XA_UTF8_STRING]) 3488 else if (target == xa[XA_UTF8_STRING])
3495 style = XUTF8StringStyle; 3489 style = enc_utf8;
3496#endif 3490#endif
3497 else 3491 else
3498 { 3492 {
3499 target = xa[XA_COMPOUND_TEXT]; 3493 target = xa[XA_COMPOUND_TEXT];
3500 style = XCompoundTextStyle; 3494 style = enc_compound_text;
3501 } 3495 }
3502 3496
3503 if (selection.text) 3497 if (rq.selection == XA_PRIMARY && selection.text)
3504 { 3498 {
3505 cl = selection.text; 3499 cl = selection.text;
3506 selectlen = selection.len; 3500 selectlen = selection.len;
3507 } 3501 }
3502 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3503 {
3504 cl = selection.clip_text;
3505 selectlen = selection.clip_len;
3506 }
3508 else 3507 else
3509 { 3508 {
3510 cl = L""; 3509 cl = (wchar_t *)L"";
3511 selectlen = 0; 3510 selectlen = 0;
3512 } 3511 }
3513 3512
3514 // Xwc doesn't handle iso-10646 in wchar_t gracefully, so maybe recode it 3513#if !ENABLE_MINIMAL
3515 // manually for XUTF8StringStyle. 3514 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3515 // so recode it manually
3516 if (style == enc_utf8)
3517 {
3518 freect = 1;
3519 ct.encoding = target;
3520 ct.format = 8;
3521 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3522 ct.nitems = strlen ((char *)ct.value);
3523 }
3524 else
3525#endif
3516 if (XwcTextListToTextProperty (display->display, &cl, 1, style, &ct) >= 0) 3526 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3517 freect = 1; 3527 freect = 1;
3518 else 3528 else
3519 { 3529 {
3520 /* if we failed to convert then send it raw */ 3530 /* if we failed to convert then send it raw */
3521 ct.value = (unsigned char *)cl; 3531 ct.value = (unsigned char *)cl;
3522 ct.nitems = selectlen; 3532 ct.nitems = selectlen;
3533 ct.encoding = target;
3523 } 3534 }
3524 3535
3525 XChangeProperty (display->display, rq.requestor, rq.property, 3536 XChangeProperty (dpy, rq.requestor, property,
3526 target, 8, PropModeReplace, 3537 ct.encoding, 8, PropModeReplace,
3527 ct.value, (int)ct.nitems); 3538 ct.value, (int)ct.nitems);
3528 ev.property = rq.property; 3539 ev.property = property;
3529 3540
3530 if (freect) 3541 if (freect)
3531 XFree (ct.value); 3542 XFree (ct.value);
3532 } 3543 }
3533 3544
3534 XSendEvent (display->display, rq.requestor, False, 0L, (XEvent *)&ev); 3545 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3535} 3546}
3536 3547
3537/* ------------------------------------------------------------------------- * 3548/* ------------------------------------------------------------------------- */
3538 * MOUSE ROUTINES *
3539 * ------------------------------------------------------------------------- */
3540
3541/*
3542 * return col/row values corresponding to x/y pixel values
3543 */
3544void
3545rxvt_term::pixel_position (int *x, int *y)
3546{
3547 *x = Pixel2Col (*x);
3548 /* MAX_IT (*x, 0); MIN_IT (*x, (int)TermWin.ncol - 1); */
3549 *y = Pixel2Row (*y);
3550 /* MAX_IT (*y, 0); MIN_IT (*y, (int)TermWin.nrow - 1); */
3551}
3552
3553/* ------------------------------------------------------------------------- */
3554#ifdef USE_XIM 3549#if USE_XIM
3555void 3550void ecb_cold
3556rxvt_term::im_set_position (XPoint *pos) 3551rxvt_term::im_set_position (XPoint &pos) noexcept
3557{ 3552{
3558 XWindowAttributes xwa; 3553 XWindowAttributes xwa;
3559 3554
3560 XGetWindowAttributes (display->display, TermWin.vt, &xwa); 3555 XGetWindowAttributes (dpy, vt, &xwa);
3556
3561 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3557 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3562 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3558 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3563} 3559}
3564
3565#endif 3560#endif
3566/* ------------------------------------------------------------------------- */ 3561
3567 3562#if ENABLE_OVERLAY
3563void
3564rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3565{
3566 if (nrow < 1 || ncol < 1)
3567 return;
3568
3569 want_refresh = 1;
3570
3571 scr_overlay_off ();
3572
3573 if (x < 0) x = ncol - w;
3574 if (y < 0) y = nrow - h;
3575
3576 // make space for border
3577 w += 2; min_it (w, ncol);
3578 h += 2; min_it (h, nrow);
3579
3580 x -= 1; clamp_it (x, 0, ncol - w);
3581 y -= 1; clamp_it (y, 0, nrow - h);
3582
3583 ov.x = x; ov.y = y;
3584 ov.w = w; ov.h = h;
3585
3586 ov.text = new text_t *[h];
3587 ov.rend = new rend_t *[h];
3588
3589 for (y = 0; y < h; y++)
3590 {
3591 text_t *tp = ov.text[y] = new text_t[w];
3592 rend_t *rp = ov.rend[y] = new rend_t[w];
3593
3594 text_t t0, t1, t2;
3595 rend_t r = OVERLAY_RSTYLE;
3596
3597 if (y == 0)
3598 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3599 else if (y < h - 1)
3600 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3601 else
3602 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3603
3604 *tp++ = t0;
3605 *rp++ = r;
3606
3607 for (x = w - 2; x > 0; --x)
3608 {
3609 *tp++ = t1;
3610 *rp++ = r;
3611 }
3612
3613 *tp = t2;
3614 *rp = r;
3615 }
3616}
3617
3618void
3619rxvt_term::scr_overlay_off () noexcept
3620{
3621 if (!ov.text)
3622 return;
3623
3624 want_refresh = 1;
3625
3626 for (int y = 0; y < ov.h; y++)
3627 {
3628 delete [] ov.text[y];
3629 delete [] ov.rend[y];
3630 }
3631
3632 delete [] ov.text; ov.text = 0;
3633 delete [] ov.rend; ov.rend = 0;
3634}
3635
3636void
3637rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3638{
3639 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3640 return;
3641
3642 x++, y++;
3643
3644 ov.text[y][x] = text;
3645 ov.rend[y][x] = rend;
3646}
3647
3648void
3649rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3650{
3651 while (*s)
3652 scr_overlay_set (x++, y, *s++);
3653}
3654
3655void
3656rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3657{
3658 while (*s)
3659 {
3660 text_t t = *s++;
3661 int width = WCWIDTH (t);
3662
3663 while (width--)
3664 {
3665 scr_overlay_set (x++, y, t);
3666 t = NOCHAR;
3667 }
3668 }
3669}
3670
3671void
3672rxvt_term::scr_swap_overlay () noexcept
3673{
3674 if (!ov.text)
3675 return;
3676
3677 // hide cursor if it is within the overlay area
3678 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3679 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3680 screen.flags &= ~Screen_VisibleCursor;
3681
3682 // swap screen mem with overlay
3683 for (int y = ov.h; y--; )
3684 {
3685 text_t *t1 = ov.text[y];
3686 rend_t *r1 = ov.rend[y];
3687
3688 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3689 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3690
3691 for (int x = ov.w; x--; )
3692 {
3693 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3694 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3695 }
3696 }
3697}
3698
3699#endif
3568/* ------------------------------------------------------------------------- * 3700/* ------------------------------------------------------------------------- */
3569 * DEBUG ROUTINES *
3570 * ------------------------------------------------------------------------- */
3571#if 0
3572void
3573rxvt_debug_colors (void)
3574{
3575 int color;
3576 const char *name[] =
3577 {
3578 "fg", "bg",
3579 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3580 };
3581 3701
3582 fprintf (stderr, "Color ( ");
3583 if (rstyle & RS_RVid)
3584 fprintf (stderr, "rvid ");
3585 if (rstyle & RS_Bold)
3586 fprintf (stderr, "bold ");
3587 if (rstyle & RS_Blink)
3588 fprintf (stderr, "blink ");
3589 if (rstyle & RS_Uline)
3590 fprintf (stderr, "uline ");
3591 fprintf (stderr, "): ");
3592
3593 color = GET_FGCOLOR (rstyle);
3594#ifndef NO_BRIGHTCOLOR
3595 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3596 {
3597 color -= (minBrightCOLOR - minCOLOR);
3598 fprintf (stderr, "bright ");
3599 }
3600#endif
3601 fprintf (stderr, "%s on ", name[color]);
3602
3603 color = GET_BGCOLOR (rstyle);
3604#ifndef NO_BRIGHTCOLOR
3605 if (color >= minBrightCOLOR && color <= maxBrightCOLOR)
3606 {
3607 color -= (minBrightCOLOR - minCOLOR);
3608 fprintf (stderr, "bright ");
3609 }
3610#endif
3611 fprintf (stderr, "%s\n", name[color]);
3612}
3613#endif

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