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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.14 by pcg, Fri Dec 26 07:42:23 2003 UTC vs.
Revision 1.461 by root, Thu Jun 17 00:49:20 2021 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.14 2003/12/26 07:42:23 pcg Exp $
5 * 4 *
6 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
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
… …
17 * 18 *
18 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
22/* 24/*
23 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
24 */ 26 */
25 27
26#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
27#define INTERN_SCREEN
28#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
29#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
30 31
31#include <X11/Xmd.h> /* get the typedef for CARD32 */
32
33#include <stdint.h> 32#include <inttypes.h>
34#include <wchar.h>
35 33
36#include "salloc.C" // HACK!! 34static inline void
37
38inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
39{ 36{
40 while (len--) 37 while (len--)
41 *start++ = value; 38 *start++ = value;
42} 39}
43 40
44/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
45#define PROP_SIZE 16384
46#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
47 43
48/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
50 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
51#define ZERO_SCROLLBACK(R) \ 47#define ZERO_SCROLLBACK() \
52 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
53 (R)->TermWin.view_start = 0 49 view_start = 0
54#define CLEAR_SELECTION(R) \ 50#define CLEAR_SELECTION() \
55 (R)->selection.beg.row = (R)->selection.beg.col \ 51 selection.beg.row = selection.beg.col \
56 = (R)->selection.end.row = (R)->selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
57#define CLEAR_ALL_SELECTION(R) \ 53#define CLEAR_ALL_SELECTION() \
58 (R)->selection.beg.row = (R)->selection.beg.col \ 54 selection.beg.row = selection.beg.col \
59 = (R)->selection.mark.row = (R)->selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
60 = (R)->selection.end.row = (R)->selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
61 57
62#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
63 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
64#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
65 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
66#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
67 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
68#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) \
69 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
70#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
71 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
72#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) \
73 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
74 70
75/* these must be row_col_t */ 71/* these must be row_col_t */
76#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
77 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)
78#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
79 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)
80#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
81 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)
82#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
83 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)
84#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
85 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)
86#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
87 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)
88 84
89/* 85/*
90 * CLEAR_ROWS : clear <num> rows starting from row <row>
91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
92 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
93 */ 87 */
94#define drawBuffer TermWin.vt
95
96#define CLEAR_ROWS(row, num) \
97 if (TermWin.mapped) \
98 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
99 Row2Pixel(row), (unsigned int)TermWin.width, \
100 (unsigned int)Height2Pixel(num), False)
101
102#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
103 if (TermWin.mapped) \ 89 if (mapped) \
104 XClearArea (Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
105 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
106 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
107
108#define ERASE_ROWS(row, num) \
109 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
110 TermWin.int_bwidth, Row2Pixel(row), \
111 (unsigned int)TermWin.width, \
112 (unsigned int)Height2Pixel(num))
113 93
114/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
115 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
116 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
117/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
118void 99void
119rxvt_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
120{ 101{
121 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
122 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
123 116
124 while (width--) 117 while (width--)
125 { 118 {
126 *et++ = ' '; 119 *et++ = ' ';
127 *er++ = efs; 120 *er++ = efs;
… …
129} 122}
130 123
131/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
132/* 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 */
133void 126void
134rxvt_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
135{ 128{
136#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
137 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
138#endif
139 if (tp[row] == NULL)
140 {
141 tp[row] = (text_t *)talloc->alloc ();
142 rp[row] = (rend_t *)ralloc->alloc ();
143 }
144 130
145 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_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);
146} 164}
147 165
148/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
149 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
150 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
151void 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
152rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
153{ 216{
154 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
155 unsigned int p, q; 218 scr_overlay_off ();
156 int k; 219#endif
157 rend_t setrstyle;
158 220
159 D_SCREEN((stderr, "rxvt_scr_reset()"));
160
161 TermWin.view_start = 0; 221 view_start = 0;
162 num_scr = 0; 222 num_scr = 0;
163 223
164 if (TermWin.ncol == 0) 224 if (ncol == 0)
165 TermWin.ncol = 80; 225 ncol = 80;
166 226
167 if (TermWin.nrow == 0) 227 if (nrow == 0)
168 TermWin.nrow = 24; 228 nrow = 24;
169
170 ncol = TermWin.ncol;
171 nrow = TermWin.nrow;
172 229
173 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
174 return; 231 return;
175 232
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
176 want_refresh = 1; 242 want_refresh = 1;
177 243
244 int prev_total_rows = prev_nrow + saveLines;
178 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
179 prev_total_rows = prev_nrow + TermWin.saveLines;
180 246
181 screen.tscroll = 0; 247 screen.tscroll = 0;
182 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
183 249
184 if (!talloc) 250 void *prev_chunk = chunk;
185 { 251 size_t prev_chunk_size = chunk_size;
186 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
187 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)
188 } 259 {
189 260 top_row = 0;
190 if (prev_nrow == 0) 261 term_start = 0;
191 {
192 /*
193 * first time called so just malloc everything : don't rely on realloc
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */
196 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
198 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
200 262
201 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
202 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
203
204 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
206 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
208
209 for (p = 0; p < nrow; p++)
210 {
211 q = p + TermWin.saveLines;
212 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
214 screen.tlen[q] = swap.tlen[p] = 0;
215 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
216 }
217
218 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
219 TermWin.nscrolled = 0; /* no saved lines */
220 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
223 screen.charset = 0; 267 screen.charset = 0;
224 current_screen = PRIMARY; 268 current_screen = PRIMARY;
225 rxvt_scr_cursor (this, SAVE); 269 scr_cursor (SAVE);
226 270
227#if NSCREENS 271#if NSCREENS
228 swap.flags = Screen_DefaultFlags; 272 swap.flags = Screen_DefaultFlags;
229 swap.cur.row = swap.cur.col = 0; 273 swap.cur.row = swap.cur.col = 0;
230 swap.charset = 0; 274 swap.charset = 0;
231 current_screen = SECONDARY; 275 current_screen = SECONDARY;
232 rxvt_scr_cursor (this, SAVE); 276 scr_cursor (SAVE);
233 current_screen = PRIMARY; 277 current_screen = PRIMARY;
234#endif 278#endif
235 279
236 selection.text = NULL; 280 selection.text = NULL;
237 selection.len = 0; 281 selection.len = 0;
238 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
239 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
240 selection.clicks = 0; 284 selection.clicks = 0;
241 CLEAR_ALL_SELECTION (this); 285 selection.clip_text = NULL;
242 rvideo = 0; 286 selection.clip_len = 0;
243 } 287 }
244 else 288 else
245 { 289 {
246 /* 290 /*
247 * add or delete rows as appropriate 291 * add or delete rows as appropriate
248 */ 292 */
249 setrstyle = DEFAULT_RSTYLE;
250 293
251 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]);
252 { 303 }
253 /* delete rows */
254 k = min (TermWin.nscrolled, prev_nrow - nrow);
255 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
256 304
257 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 (top_row)
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
258 { 319 {
259 q = p + TermWin.saveLines; 320 p = MOD (p - 1, prev_total_rows);
260 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 ())
261 { 326 {
262#ifdef DEBUG_STRICT 327 p = MOD (p - 1, prev_total_rows);
263 assert (screen.rend[q]); 328
264#endif 329 plines++;
265 talloc->free (screen.text[q]); 330 llen += prev_ncol;
266 ralloc->free (screen.rend[q]);
267 } 331 }
268 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++)
269 { 346 {
270#ifdef DEBUG_STRICT 347 qline = row_buf + qrow;
271 assert (swap.rend[p]); 348 qline->alloc (); // redundant with next line
272#endif 349 qline->l = ncol;
273 talloc->free (swap.text[p]); 350 qline->is_longer (1);
274 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 }
275 } 383 }
276#ifdef DEBUG_STRICT 384
277 assert (drawn_text[p] && drawn_rend[p]); 385 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
278#endif 386 qline->is_longer (0);
279 talloc->free (drawn_text[p]); 387 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
280 ralloc->free (drawn_rend[p]);
281 } 388 }
389 while (p != pend && q > 0);
282 390
283 /* we have fewer rows so fix up cursor position */ 391 term_start = total_rows - nrow;
284 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 392 top_row = q - term_start;
285 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
286 393
287 scr_reset_realloc (); /* realloc _last_ */ 394 // make sure all terminal lines exist
288 } 395 while (top_row > 0)
289 else if (nrow > prev_nrow) 396 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
290 { 397 }
291 /* add rows */ 398 else
292 scr_reset_realloc (); /* realloc _first_ */ 399 {
400 // if no scrollback exists (yet), wing, instead of wrap
293 401
294 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 402 for (int row = min (nrow, prev_nrow); row--; )
295
296 k = min (TermWin.nscrolled, nrow - prev_nrow);
297
298 for (p = prev_total_rows; p < total_rows; p++)
299 { 403 {
300 screen.tlen[p] = 0; 404 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
301 screen.text[p] = NULL; 405 line_t &dst = row_buf [row];
302 screen.rend[p] = NULL; 406
407 copy_line (dst, src);
303 } 408 }
304 409
305 for (p = prev_total_rows; p < total_rows - k; p++)
306 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
307
308 for (p = prev_nrow; p < nrow; p++) 410 for (int row = prev_nrow; row < nrow; row++)
309 { 411 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
310 swap.tlen[p] = 0;
311 swap.text[p] = NULL;
312 swap.rend[p] = NULL;
313 drawn_text[p] = NULL;
314 drawn_rend[p] = NULL;
315 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
316 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
317 }
318 412
319 if (k > 0) 413 term_start = 0;
320 {
321 scr_scroll_text (0, (int)nrow - 1, -k, 1);
322 screen.cur.row += k;
323 screen.s_cur.row += k;
324 TermWin.nscrolled -= k;
325 }
326#ifdef DEBUG_STRICT
327 assert(screen.cur.row < TermWin.nrow);
328 assert(swap.cur.row < TermWin.nrow);
329#else /* drive with your eyes closed */
330
331 MIN_IT(screen.cur.row, nrow - 1);
332 MIN_IT(swap.cur.row, nrow - 1);
333#endif
334 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
335 }
336
337 /* resize columns */
338 if (ncol != prev_ncol)
339 { 414 }
340 int common = min (prev_ncol, ncol); 415
341 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 416 clamp_it (screen.cur.row, 0, nrow - 1);
342 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 417 clamp_it (screen.cur.col, 0, ncol - 1);
343 418 }
344 for (p = 0; p < total_rows; p++)
345 {
346 if (screen.text[p])
347 {
348 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
349 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
350 419
351 MIN_IT(screen.tlen[p], (int16_t)ncol); 420 for (int row = nrow; row--; )
352
353 if (ncol > prev_ncol)
354 scr_blank_line (&(screen.text[p][prev_ncol]),
355 &(screen.rend[p][prev_ncol]),
356 ncol - prev_ncol,
357 setrstyle);
358 }
359 }
360
361 for (p = 0; p < nrow; p++)
362 {
363 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
364 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
365
366 if (ncol > prev_ncol)
367 scr_blank_line (&(drawn_text[p][prev_ncol]),
368 &(drawn_rend[p][prev_ncol]),
369 ncol - prev_ncol, setrstyle);
370
371 if (swap.text[p])
372 {
373 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
374 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
375
376 MIN_IT(swap.tlen[p], (int16_t)ncol);
377
378 if (ncol > prev_ncol)
379 scr_blank_line (&(swap.text[p][prev_ncol]),
380 &(swap.rend[p][prev_ncol]),
381 ncol - prev_ncol, setrstyle);
382 }
383
384 }
385
386 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
387 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
388
389 delete talloc; talloc = ta;
390 delete ralloc; ralloc = ra;
391 }
392
393 if (tabs)
394 free(tabs);
395 } 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 }
426
427 chunk_free (prev_chunk, prev_chunk_size);
428
429 free (tabs);
430 tabs = (char *)rxvt_malloc (ncol);
431
432 for (int col = ncol; col--; )
433 tabs [col] = col % TABSIZE == 0;
434
435 CLEAR_ALL_SELECTION ();
396 436
397 prev_nrow = nrow; 437 prev_nrow = nrow;
398 prev_ncol = ncol; 438 prev_ncol = ncol;
399 439
400 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
401
402 for (p = 0; p < ncol; p++)
403 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
404
405 tt_winch (); 440 tt_winch ();
406}
407 441
408void 442 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
409rxvt_term::scr_reset_realloc()
410{
411 uint16_t total_rows, nrow;
412
413 nrow = TermWin.nrow;
414 total_rows = nrow + TermWin.saveLines;
415 /* *INDENT-OFF* */
416 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
417 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
418 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
419 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
420
421 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
422 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
423
424 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
425 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
426 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
427 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
428 /* *INDENT-ON* */
429} 443}
430 444
431/* ------------------------------------------------------------------------- */ 445void ecb_cold
432/*
433 * Free everything. That way malloc debugging can find leakage.
434 */
435void
436rxvt_term::scr_release() 446rxvt_term::scr_release () noexcept
437{ 447{
438 uint16_t total_rows; 448 chunk_free (chunk, chunk_size);
439 int i; 449 chunk = 0;
450 row_buf = 0;
440 451
441 total_rows = TermWin.nrow + TermWin.saveLines;
442
443#ifdef DEBUG_STRICT
444 for (i = 0; i < total_rows; i++)
445 {
446 if (screen.text[i])
447 /* then so is screen.rend[i] */
448 assert(screen.rend[i]);
449 }
450#endif
451
452 delete talloc;
453 delete ralloc;
454
455 free (screen.text);
456 free (screen.tlen);
457 free (screen.rend);
458 free (drawn_text);
459 free (drawn_rend);
460 free (swap.text);
461 free (swap.tlen);
462 free (swap.rend);
463 free (buf_text);
464 free (buf_rend);
465 free (tabs); 452 free (tabs);
466
467 /* NULL these so if anything tries to use them, we'll know about it */
468 screen.text = drawn_text = swap.text = NULL;
469 screen.rend = drawn_rend = swap.rend = NULL;
470 screen.tlen = swap.tlen = NULL;
471 buf_text = NULL;
472 buf_rend = NULL;
473 tabs = NULL; 453 tabs = 0;
474} 454}
475 455
476/* ------------------------------------------------------------------------- */ 456/* ------------------------------------------------------------------------- */
477/* 457/*
478 * Hard reset 458 * Hard/Soft reset
479 */ 459 */
480/* EXTPROTO */ 460void ecb_cold
481void
482rxvt_scr_poweron(pR) 461rxvt_term::scr_poweron ()
483{ 462{
484 D_SCREEN((stderr, "rxvt_scr_poweron()"));
485
486 R->scr_release (); 463 scr_release ();
464
487 R->prev_nrow = R->prev_ncol = 0; 465 prev_nrow = prev_ncol = 0;
466 rvideo_mode = false;
467 scr_soft_reset ();
488 R->scr_reset (); 468 scr_reset ();
489 469
490 R->scr_clear (); 470 scr_clear (true);
491 R->scr_refresh (SLOW_REFRESH); 471 scr_refresh ();
492#ifdef RXVT_GRAPHICS 472}
493 rxvt_Gr_reset (aR); 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 ();
494#endif 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);
495} 488}
496 489
497/* ------------------------------------------------------------------------- * 490/* ------------------------------------------------------------------------- *
498 * PROCESS SCREEN COMMANDS * 491 * PROCESS SCREEN COMMANDS *
499 * ------------------------------------------------------------------------- */ 492 * ------------------------------------------------------------------------- */
500/* 493/*
501 * Save and Restore cursor 494 * Save and Restore cursor
502 * XTERM_SEQ: Save cursor : ESC 7 495 * XTERM_SEQ: Save cursor : ESC 7
503 * XTERM_SEQ: Restore cursor: ESC 8 496 * XTERM_SEQ: Restore cursor: ESC 8
504 */ 497 */
505/* EXTPROTO */
506void 498void
507rxvt_scr_cursor(pR_ int mode) 499rxvt_term::scr_cursor (cursor_mode mode) noexcept
508{ 500{
509 screen_t *s; 501 screen_t *s;
510
511 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
512 502
513#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 503#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
514 if (R->current_screen == SECONDARY) 504 if (current_screen == SECONDARY)
515 s = &(R->swap); 505 s = &swap;
516 else 506 else
517#endif 507#endif
518 s = &(R->screen); 508 s = &screen;
509
519 switch (mode) { 510 switch (mode)
511 {
520 case SAVE: 512 case SAVE:
521 s->s_cur.row = s->cur.row; 513 s->s_cur.row = screen.cur.row;
522 s->s_cur.col = s->cur.col; 514 s->s_cur.col = screen.cur.col;
523 s->s_rstyle = R->rstyle; 515 s->s_rstyle = rstyle;
524 s->s_charset = s->charset; 516 s->s_charset = screen.charset;
525 s->s_charset_char = R->charsets[s->charset]; 517 s->s_charset_char = charsets[screen.charset];
526 break; 518 break;
519
527 case RESTORE: 520 case RESTORE:
528 R->want_refresh = 1; 521 want_refresh = 1;
529 s->cur.row = s->s_cur.row; 522 screen.cur.row = s->s_cur.row;
530 s->cur.col = s->s_cur.col; 523 screen.cur.col = s->s_cur.col;
531 s->flags &= ~Screen_WrapNext; 524 screen.flags &= ~Screen_WrapNext;
532 R->rstyle = s->s_rstyle; 525 rstyle = s->s_rstyle;
533 s->charset = s->s_charset; 526 screen.charset = s->s_charset;
534 R->charsets[s->charset] = s->s_charset_char; 527 charsets[screen.charset] = s->s_charset_char;
535 rxvt_set_font_style(aR); 528 set_font_style ();
536 break; 529 break;
537 } 530 }
531
538/* boundary check in case screen size changed between SAVE and RESTORE */ 532 /* boundary check in case screen size changed between SAVE and RESTORE */
539 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 533 min_it (s->cur.row, nrow - 1);
540 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 534 min_it (s->cur.col, ncol - 1);
541#ifdef DEBUG_STRICT
542 assert(s->cur.row >= 0); 535 assert (s->cur.row >= 0);
543 assert(s->cur.col >= 0); 536 assert (s->cur.col >= 0);
544#else /* drive with your eyes closed */ 537}
545 MAX_IT(s->cur.row, 0); 538
546 MAX_IT(s->cur.col, 0); 539void
547#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);
548} 552}
549 553
550/* ------------------------------------------------------------------------- */ 554/* ------------------------------------------------------------------------- */
551/* 555/*
552 * Swap between primary and secondary screens 556 * Swap between primary and secondary screens
553 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 557 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
554 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 558 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
555 */ 559 */
556/* EXTPROTO */ 560void
557int
558rxvt_scr_change_screen(pR_ int scrn) 561rxvt_term::scr_change_screen (int scrn)
559{ 562{
560 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
561#if NSCREENS 578#if NSCREENS
562 int offset; 579 if (option (Opt_secondaryScreen))
563#endif 580 {
564
565 R->want_refresh = 1;
566
567 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
568
569 R->TermWin.view_start = 0;
570
571 if (R->current_screen == scrn)
572 return R->current_screen;
573
574 rxvt_selection_check(aR_ 2); /* check for boundary cross */
575
576 SWAP_IT(R->current_screen, scrn, int);
577#if NSCREENS
578 R->num_scr = 0; 581 num_scr = 0;
579 offset = R->TermWin.saveLines; 582
580 for (i = R->prev_nrow; i--;) { 583 scr_swap_screen ();
581 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 584
582 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 585 ::swap (screen.charset, swap.charset);
583 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 586 ::swap (screen.flags, swap.flags);
584 }
585 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
586 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
587# ifdef DEBUG_STRICT
588 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
589 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
590# else /* drive with your eyes closed */
591 MAX_IT(R->screen.cur.row, 0);
592 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
593 MAX_IT(R->screen.cur.col, 0);
594 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
595# endif
596 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
597 SWAP_IT(R->screen.flags, R->swap.flags, int);
598 R->screen.flags |= Screen_VisibleCursor; 587 screen.flags |= Screen_VisibleCursor;
599 R->swap.flags |= Screen_VisibleCursor; 588 swap.flags |= Screen_VisibleCursor;
600
601# ifdef RXVT_GRAPHICS
602
603 if (rxvt_Gr_Displayed(aR)) {
604 rxvt_Gr_scroll(aR_ 0);
605 rxvt_Gr_ChangeScreen(aR);
606 } 589 }
590 else
607# endif 591#endif
608#else 592 if (option (Opt_secondaryScroll))
609# ifdef SCROLL_ON_NO_SECONDARY
610# ifdef RXVT_GRAPHICS
611 if (rxvt_Gr_Displayed(aR))
612 rxvt_Gr_ClearScreen(aR);
613# endif
614 if (R->current_screen == PRIMARY
615# ifdef RXVT_GRAPHICS
616 && !rxvt_Gr_Displayed(aR)
617# endif
618 )
619 R->scr_scroll_text(0, (R->prev_nrow - 1), R->prev_nrow, 0); 593 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
620# endif 594}
621#endif 595
596// clear WrapNext indicator, solidifying position on next line
597void
598rxvt_term::scr_do_wrap () noexcept
599{
600 if (!(screen.flags & Screen_WrapNext))
622 return scrn; 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++;
623} 611}
624 612
625/* ------------------------------------------------------------------------- */ 613/* ------------------------------------------------------------------------- */
626/* 614/*
627 * Change the colour for following text 615 * Change the colour for following text
628 */ 616 */
629/* EXTPROTO */
630void 617void
631rxvt_scr_color(pR_ unsigned int color, int fgbg) 618rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
632{ 619{
620 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
633 color &= RS_fgMask; 621 color = fgbg;
622
634 if (fgbg == Color_fg) 623 if (fgbg == Color_fg)
635 R->rstyle = SET_FGCOLOR(R->rstyle, color); 624 rstyle = SET_FGCOLOR (rstyle, color);
636 else 625 else
637 R->rstyle = SET_BGCOLOR(R->rstyle, color); 626 rstyle = SET_BGCOLOR (rstyle, color);
638} 627}
639 628
640/* ------------------------------------------------------------------------- */ 629/* ------------------------------------------------------------------------- */
641/* 630/*
642 * Change the rendition style for following text 631 * Change the rendition style for following text
643 */ 632 */
644/* EXTPROTO */
645void 633void
646rxvt_scr_rendition(pR_ int set, int style) 634rxvt_term::scr_rendition (int set, int style) noexcept
647{ 635{
648 if (set) 636 if (set)
649 R->rstyle |= style; 637 rstyle |= style;
650 else if (style == ~RS_None) 638 else if (style == ~RS_None)
651 R->rstyle = DEFAULT_RSTYLE; 639 rstyle = DEFAULT_RSTYLE;
652 else 640 else
653 R->rstyle &= ~style; 641 rstyle &= ~style;
654} 642}
655 643
656/* ------------------------------------------------------------------------- */ 644/* ------------------------------------------------------------------------- */
657/* 645/*
658 * Scroll text between <row1> and <row2> inclusive, by <count> lines 646 * Scroll text between <row1> and <row2> inclusive, by <count> lines
659 * count positive ==> scroll up 647 * count positive ==> scroll up
660 * count negative ==> scroll down 648 * count negative ==> scroll down
661 * spec == 0 for normal routines
662 */ 649 */
663int 650int ecb_hot
664rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 651rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
665{ 652{
666 int i, j;
667 long nscrolled;
668
669 if (count == 0 || (row1 > row2)) 653 if (count == 0 || (row1 > row2))
670 return 0; 654 return 0;
671 655
672 want_refresh = 1; 656 want_refresh = 1;
673 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 657 num_scr += count;
674 658
675 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
676 { 668 {
677 nscrolled = (long)TermWin.nscrolled + (long)count; 669 line_t &l = ROW(row2);
678 670 l.is_longer (0);
679 if (nscrolled > (long)TermWin.saveLines) 671 l.touch ();
680 TermWin.nscrolled = TermWin.saveLines;
681 else
682 TermWin.nscrolled = (uint16_t)nscrolled;
683
684 if ((Options & Opt_scrollWithBuffer)
685 && TermWin.view_start != 0
686 && TermWin.view_start != TermWin.saveLines)
687 rxvt_scr_page (this, UP, count);
688 } 672 }
689 else if (!spec)
690 row1 += TermWin.saveLines;
691 673
692 row2 += TermWin.saveLines; 674 // scroll everything up 'count' lines
675 term_start = (term_start + count) % total_rows;
693 676
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
694 if (selection.op && current_screen == selection.screen) 707 if (selection.op && current_screen == selection.screen
695 { 708 && selection.beg.row <= row2)
696 i = selection.beg.row + TermWin.saveLines;
697 j = selection.end.row + TermWin.saveLines;
698 if ((i < row1 && j > row1)
699 || (i < row2 && j > row2)
700 || (i - count < row1 && i >= row1)
701 || (i - count > row2 && i <= row2)
702 || (j - count < row1 && j >= row1)
703 || (j - count > row2 && j <= row2))
704 {
705 CLEAR_ALL_SELECTION (this);
706 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
707 } 709 {
708 else if (j >= row1 && j <= row2)
709 {
710 /* move selected region too */
711 selection.beg.row -= count; 710 selection.beg.row -= count;
712 selection.end.row -= count; 711 selection.end.row -= count;
713 selection.mark.row -= count; 712 selection.mark.row -= count;
714 }
715 }
716 713
717 rxvt_selection_check (this, 0); /* _after_ TermWin.nscrolled update */ 714 selection_check (0);
718
719 num_scr += count;
720 j = count;
721
722 if (count < 0)
723 count = -count;
724
725 i = row2 - row1 + 1;
726 MIN_IT(count, i);
727
728 if (j > 0)
729 {
730 /* A: scroll up */
731
732 /* A1: Copy lines that will get clobbered by the rotation */
733 for (i = 0, j = row1; i < count; i++, j++)
734 { 715 }
735 buf_text[i] = screen.text[j]; 716
736 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)
737 } 729 {
738 /* A2: Rotate lines */ 730 if ((selection.beg.row < row1 && selection.end.row > row1)
739 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 }
740 { 749 }
741 screen.tlen[j] = screen.tlen[i]; 750
742 screen.text[j] = screen.text[i]; 751 // use a simple and robust scrolling algorithm, this
743 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)
744 } 756 {
745 j = row2 - count + 1, i = count; 757 line_t &l = ROW(row1 - 1);
746 } 758 l.is_longer (0);
747 else /* if (j < 0) */ 759 l.touch ();
748 {
749 /* B: scroll down */
750
751 /* B1: Copy lines that will get clobbered by the rotation */
752 for (i = 0, j = row2; i < count; i++, j--)
753 { 760 }
754 buf_text[i] = screen.text[j]; 761
755 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++)
756 } 769 {
757 /* B2: Rotate lines */ 770 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
758 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);
759 { 774 }
760 screen.tlen[j] = screen.tlen[i]; 775
761 screen.text[j] = screen.text[i]; 776 for (int row = 0; row < rows; row++)
762 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 ();
763 } 784 }
764 j = row1, i = count;
765 count = -count;
766 }
767
768 /* C: Resurrect lines */
769 for (; i--; j++)
770 { 785 }
771 screen.tlen[j] = 0;
772 screen.text[j] = buf_text[i];
773 screen.rend[j] = buf_rend[i];
774
775 if (!spec) /* line length may not equal TermWin.ncol */
776 scr_blank_screen_mem (screen.text, screen.rend,
777 (unsigned int)j, rstyle);
778 }
779
780#ifdef RXVT_GRAPHICS
781 if (rxvt_Gr_Displayed (this))
782 rxvt_Gr_scroll(this, count);
783#endif
784 786
785 return count; 787 return count;
786} 788}
787 789
788/* ------------------------------------------------------------------------- */ 790/* ------------------------------------------------------------------------- */
789/* 791/*
790 * Add text given in <str> of length <len> to screen struct 792 * Add text given in <str> of length <len> to screen struct
791 */ 793 */
792/* EXTPROTO */ 794void ecb_hot
793void 795rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
794rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len)
795{ 796{
796 unsigned char checksel, clearsel;
797 uint32_t c;
798 int i, row, last_col;
799 text_t *stp;
800 rend_t *srp;
801
802 if (len <= 0) /* sanity */ 797 if (len <= 0) /* sanity */
803 return; 798 return;
804 799
800 bool checksel;
801 unicode_t c;
802 int ncol = this->ncol;
803 const wchar_t *strend = str + len;
804
805 R->want_refresh = 1; 805 want_refresh = 1;
806 last_col = R->TermWin.ncol;
807
808 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
809 ZERO_SCROLLBACK(R); 806 ZERO_SCROLLBACK ();
807
810 if (nlines > 0) { 808 if (minlines > 0)
809 {
811 nlines += (R->screen.cur.row - R->screen.bscroll); 810 minlines += screen.cur.row - screen.bscroll;
811 min_it (minlines, screen.cur.row - top_row);
812
812 if ((nlines > 0) 813 if (minlines > 0
813 && (R->screen.tscroll == 0) 814 && screen.tscroll == 0
814 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 815 && screen.bscroll == nrow - 1)
816 {
815 /* _at least_ this many lines need to be scrolled */ 817 /* _at least_ this many lines need to be scrolled */
816 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, nlines, 0); 818 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
817 R->screen.cur.row -= nlines; 819 screen.cur.row -= minlines;
818 } 820 }
819 } 821 }
820#ifdef DEBUG_STRICT 822
821 assert(R->screen.cur.col < last_col); 823 assert (screen.cur.col < ncol);
822 assert((R->screen.cur.row < R->TermWin.nrow) 824 assert (screen.cur.row < nrow
823 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 825 && screen.cur.row >= top_row);
824#else /* drive with your eyes closed */ 826 int row = screen.cur.row;
825 MIN_IT(R->screen.cur.col, last_col - 1);
826 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
827 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
828#endif
829 row = R->screen.cur.row + R->TermWin.saveLines;
830 827
831 checksel = (R->selection.op 828 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
832 && R->current_screen == R->selection.screen) ? 1 : 0;
833 clearsel = 0;
834 829
835 stp = R->screen.text[row]; 830 line_t *line = &ROW(row);
836 srp = R->screen.rend[row];
837 831
838 for (i = 0; i < len;) { 832 while (str < strend)
839 c = str[i++]; 833 {
840 switch (c) { 834 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
841 case '\t': 835
842 rxvt_scr_tab (aR_ 1); 836 if (ecb_unlikely (c < 0x20))
837 if (c == C0_LF)
838 {
839 max_it (line->l, screen.cur.col);
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 */
843 continue; 849 continue;
844 case '\n': 850 }
845 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 851 else if (c == C0_CR)
846 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 852 {
853 max_it (line->l, screen.cur.col);
854
847 R->screen.flags &= ~Screen_WrapNext; 855 screen.flags &= ~Screen_WrapNext;
848 if (R->screen.cur.row == R->screen.bscroll) 856 screen.cur.col = 0;
849 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, 1, 0);
850 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
851 row = (++R->screen.cur.row) + R->TermWin.saveLines;
852 stp = R->screen.text[row]; /* _must_ refresh */
853 srp = R->screen.rend[row]; /* _must_ refresh */
854 continue; 857 continue;
855 case '\r': 858 }
856 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 859 else if (c == C0_HT)
857 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 860 {
858 R->screen.flags &= ~Screen_WrapNext; 861 scr_tab (1, true);
859 R->screen.cur.col = 0;
860 continue; 862 continue;
861 default:
862 if (c == 127)
863 continue; /* yummmm..... */
864 break;
865 } 863 }
866 864
865 if (ecb_unlikely (
867 if (checksel /* see if we're writing within selection */ 866 checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 867 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 868 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
869 ))
870 {
870 checksel = 0; 871 checksel = 0;
871 clearsel = 1; 872 /*
873 * If we wrote anywhere in the selected area, kill the selection
874 * XXX: should we kill the mark too? Possibly, but maybe that
875 * should be a similar check.
876 */
877 CLEAR_SELECTION ();
878 }
879
880 if (ecb_unlikely (screen.flags & Screen_WrapNext))
872 } 881 {
873 if (R->screen.flags & Screen_WrapNext) { 882 scr_do_wrap ();
874 R->screen.tlen[row] = -1; 883
875 if (R->screen.cur.row == R->screen.bscroll) 884 line->l = ncol;
876 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, 1, 0); 885 line->is_longer (1);
877 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 886
878 row = (++R->screen.cur.row) + R->TermWin.saveLines; 887 row = screen.cur.row;
879 stp = R->screen.text[row]; /* _must_ refresh */ 888 line = &ROW(row); /* _must_ refresh */
880 srp = R->screen.rend[row]; /* _must_ refresh */ 889 }
881 R->screen.cur.col = 0; 890
882 R->screen.flags &= ~Screen_WrapNext; 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
883 } 902 {
884 if (R->screen.flags & Screen_Insert) 903 // vt100 special graphics and line drawing
885 rxvt_scr_insdel_chars(aR_ 1, INSERT); 904 // 5f-7e standard vt100
905 // 40-5e rxvt extension for extra curses acs chars
906 static uint16_t vt100_0[62] = { // 41 .. 7e
907 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
908 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
909 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
910 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
911 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
912 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
913 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
914 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
915 };
886 916
887 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 917 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
888 switch (c)
889 { 918 {
890 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 919 c = vt100_0[c - 0x41];
891 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 920 width = 1; // vt100 line drawing characters are always single-width
892 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
893 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
894 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
895 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
896 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
897 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
898 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
899 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
900 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
901 } 921 }
922 }
902 923
924 if (ecb_unlikely (screen.flags & Screen_Insert))
925 scr_insdel_chars (width, INSERT);
926
927 if (width != 0)
928 {
929#if !UNICODE_3
930 // trim characters we can't store directly :(
931 if (c >= 0x10000)
932# if ENABLE_COMBINING
933 c = rxvt_composite.compose (c); // map to lower 16 bits
934# else
935 c = 0xfffd;
936# endif
937#endif
938
903 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 939 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904 // rely on wcwidth to tell us the character width, at least for non-ascii
905 int width = c <= 128 ? 1 : wcwidth (c);
906 940
907 // width 0 characters (e.g. combining chars) are ignored. your problem, really 941 // if the character doesn't fit into the remaining columns...
908 while (width-- > 0) 942 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
909 { 943 {
910 stp[R->screen.cur.col] = c; 944 if (screen.flags & Screen_Autowrap)
911 srp[R->screen.cur.col] = rend; 945 {
912 946 // ... artificially enlargen the previous one
913 if (R->screen.cur.col < last_col - 1) 947 c = NOCHAR;
914 R->screen.cur.col++; 948 // and try the same character next loop iteration
949 --str;
950 }
915 else 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 ();
963
964 do
965 {
966 line->t[screen.cur.col] = c;
967 line->r[screen.cur.col] = rend;
968
969 if (ecb_likely (screen.cur.col < ncol - 1))
970 screen.cur.col++;
971 else
916 { 972 {
917 R->screen.tlen[row] = last_col; 973 line->l = ncol;
918 if (R->screen.flags & Screen_Autowrap) 974 if (screen.flags & Screen_Autowrap)
919 R->screen.flags |= Screen_WrapNext; 975 screen.flags |= Screen_WrapNext;
920 break; 976
977 goto end_of_line;
921 } 978 }
922 979
923 c = NOCHAR; 980 c = NOCHAR;
924 } 981 }
925 } 982 while (ecb_unlikely (--width > 0));
926 if (R->screen.tlen[row] != -1) /* XXX: think about this */
927 MAX_IT(R->screen.tlen[row], R->screen.cur.col);
928 983
929/* 984 // pad with spaces when overwriting wide character with smaller one
930 * If we wrote anywhere in the selected area, kill the selection 985 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
931 * XXX: should we kill the mark too? Possibly, but maybe that 986 {
932 * should be a similar check. 987 line->t[c] = ' ';
933 */ 988 line->r[c] = rend;
934 if (clearsel) 989 }
935 CLEAR_SELECTION(R);
936 990
937#ifdef DEBUG_STRICT 991end_of_line:
992 ;
993 }
994#if ENABLE_COMBINING
995 else // width == 0
996 {
997 if (c != 0xfeff) // ignore BOM
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;
1010 tp = line->t + 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));
1035 }
1036 }
1037#endif
1038 }
1039
1040 max_it (line->l, screen.cur.col);
1041
938 assert(R->screen.cur.row >= 0); 1042 assert (screen.cur.row >= 0);
939#else /* drive with your eyes closed */
940 MAX_IT(R->screen.cur.row, 0);
941#endif
942} 1043}
943 1044
944/* ------------------------------------------------------------------------- */ 1045/* ------------------------------------------------------------------------- */
945/* 1046/*
946 * 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
947 * XTERM_SEQ: CTRL-H 1048 * XTERM_SEQ: CTRL-H
948 */ 1049 */
949/* EXTPROTO */
950void 1050void
951rxvt_scr_backspace(pR) 1051rxvt_term::scr_backspace () noexcept
952{ 1052{
953 R->want_refresh = 1;
954 if (R->screen.cur.col == 0) { 1053 if (screen.cur.col == 0)
1054 {
955 if (R->screen.cur.row > 0) { 1055 if (screen.cur.row > 0)
1056 {
956#ifdef TERMCAP_HAS_BW 1057#ifdef TERMCAP_HAS_BW
957 R->screen.cur.col = R->TermWin.ncol - 1; 1058 screen.cur.col = ncol - 1;
958 R->screen.cur.row--; 1059 --screen.cur.row;
959 return; 1060
1061 want_refresh = 1;
960#endif 1062#endif
961 } 1063 }
1064 }
962 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1065 else if (screen.flags & Screen_WrapNext)
963 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
964 R->screen.flags &= ~Screen_WrapNext; 1066 screen.flags &= ~Screen_WrapNext;
1067 else
1068 scr_gotorc (0, -1, RELATIVE);
965} 1069}
966 1070
967/* ------------------------------------------------------------------------- */ 1071/* ------------------------------------------------------------------------- */
968/* 1072/*
969 * Process Horizontal Tab 1073 * Process Horizontal Tab
970 * count: +ve = forward; -ve = backwards 1074 * count: +ve = forward; -ve = backwards
971 * XTERM_SEQ: CTRL-I 1075 * XTERM_SEQ: CTRL-I
972 */ 1076 */
973/* EXTPROTO */
974void 1077void
975rxvt_scr_tab(pR_ int count) 1078rxvt_term::scr_tab (int count, bool ht) noexcept
976{ 1079{
977 int i, x; 1080 int i, x;
978 1081
979 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
980 R->want_refresh = 1; 1082 want_refresh = 1;
981 i = x = R->screen.cur.col; 1083 i = x = screen.cur.col;
1084
982 if (count == 0) 1085 if (count == 0)
983 return; 1086 return;
984 else if (count > 0) { 1087 else if (count > 0)
1088 {
1089 line_t &l = ROW(screen.cur.row);
1090 rend_t base_rend = l.r[i];
1091 ht &= l.t[i] == ' ';
1092
985 for (; ++i < R->TermWin.ncol; ) 1093 for (; ++i < ncol; )
986 if (R->tabs[i]) { 1094 if (tabs[i])
1095 {
987 x = i; 1096 x = i;
1097
988 if (!--count) 1098 if (!--count)
989 break; 1099 break;
1100 }
1101 else
1102 ht &= l.t[i] == ' '
1103 && RS_SAME (l.r[i], base_rend);
1104
1105 if (count)
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;
990 } 1125 }
991 if (count) 1126 }
992 x = R->TermWin.ncol - 1; 1127 }
993 } else /* if (count < 0) */ { 1128 else /* if (count < 0) */
1129 {
994 for (; --i >= 0; ) 1130 for (; --i >= 0; )
995 if (R->tabs[i]) { 1131 if (tabs[i])
996 x = i;
997 if (!++count)
998 break;
999 } 1132 {
1000 if (count)
1001 x = 0; 1133 x = i;
1134 if (!++count)
1135 break;
1136 }
1137
1138 if (count)
1139 x = 0;
1002 } 1140 }
1141
1003 if (x != R->screen.cur.col) 1142 if (x != screen.cur.col)
1004 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1143 scr_gotorc (0, x, R_RELATIVE);
1005} 1144}
1006 1145
1007/* ------------------------------------------------------------------------- */ 1146/* ------------------------------------------------------------------------- */
1008/* 1147/*
1009 * Process DEC Back Index 1148 * Process DEC Back Index
1010 * XTERM_SEQ: ESC 6 1149 * XTERM_SEQ: ESC 6
1011 * 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
1012 * in that row right. Clear left column. 1151 * in that row right. Clear left column.
1013 */ 1152 */
1014#ifndef NO_FRILLS 1153#if !ENABLE_MINIMAL
1015/* EXTPROTO */ 1154void ecb_cold
1016void 1155rxvt_term::scr_backindex () noexcept
1017rxvt_scr_backindex(pR)
1018{ 1156{
1019 if (R->screen.cur.col > 0) 1157 if (screen.cur.col > 0)
1020 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1158 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1021 else { 1159 else
1022 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
1023 return; /* um, yeah? */
1024 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1160 scr_insdel_chars (1, INSERT);
1025 }
1026} 1161}
1027#endif 1162#endif
1028/* ------------------------------------------------------------------------- */ 1163/* ------------------------------------------------------------------------- */
1029/* 1164/*
1030 * Process DEC Forward Index 1165 * Process DEC Forward Index
1031 * XTERM_SEQ: ESC 9 1166 * XTERM_SEQ: ESC 9
1032 * 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
1033 * in that row left. Clear right column. 1168 * in that row left. Clear right column.
1034 */ 1169 */
1035#ifndef NO_FRILLS 1170#if !ENABLE_MINIMAL
1036/* EXTPROTO */ 1171void ecb_cold
1037void 1172rxvt_term::scr_forwardindex () noexcept
1038rxvt_scr_forwardindex(pR)
1039{ 1173{
1040 int row;
1041
1042 if (R->screen.cur.col < R->TermWin.ncol - 1) 1174 if (screen.cur.col < ncol - 1)
1043 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1175 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1044 else { 1176 else
1045 row = R->screen.cur.row + R->TermWin.saveLines; 1177 {
1046 if (R->screen.tlen[row] == 0) 1178 line_t &l = ROW(screen.cur.row);
1047 return; /* um, yeah? */ 1179
1048 else if (R->screen.tlen[row] == -1) 1180 l.touch ();
1049 R->screen.tlen[row] = R->TermWin.ncol; 1181 l.is_longer (0);
1182
1050 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1183 scr_gotorc (0, 0, R_RELATIVE);
1051 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1184 scr_insdel_chars (1, DELETE);
1052 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1185 scr_gotorc (0, ncol - 1, R_RELATIVE);
1053 } 1186 }
1054} 1187}
1055#endif 1188#endif
1056 1189
1057/* ------------------------------------------------------------------------- */ 1190/* ------------------------------------------------------------------------- */
1058/* 1191/*
1059 * Goto Row/Column 1192 * Goto Row/Column
1060 */ 1193 */
1061/* EXTPROTO */
1062void 1194void
1063rxvt_scr_gotorc(pR_ int row, int col, int relative) 1195rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1064{ 1196{
1065 R->want_refresh = 1; 1197 want_refresh = 1;
1066 ZERO_SCROLLBACK(R); 1198 ZERO_SCROLLBACK ();
1067#ifdef RXVT_GRAPHICS
1068 if (rxvt_Gr_Displayed(aR))
1069 rxvt_Gr_scroll(aR_ 0);
1070#endif
1071 1199
1072 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, R->screen.cur.row, R->screen.cur.col));
1073
1074 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1200 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1075 : col); 1201 clamp_it (screen.cur.col, 0, ncol - 1);
1076 MAX_IT(R->screen.cur.col, 0);
1077 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1078 1202
1079 R->screen.flags &= ~Screen_WrapNext; 1203 screen.flags &= ~Screen_WrapNext;
1204
1080 if (relative & R_RELATIVE) { 1205 if (relative & R_RELATIVE)
1206 {
1081 if (row > 0) { 1207 if (row > 0)
1208 {
1082 if (R->screen.cur.row <= R->screen.bscroll 1209 if (screen.cur.row <= screen.bscroll
1083 && (R->screen.cur.row + row) > R->screen.bscroll) 1210 && (screen.cur.row + row) > screen.bscroll)
1084 R->screen.cur.row = R->screen.bscroll; 1211 screen.cur.row = screen.bscroll;
1085 else 1212 else
1086 R->screen.cur.row += row;
1087 } else if (row < 0) {
1088 if (R->screen.cur.row >= R->screen.tscroll
1089 && (R->screen.cur.row + row) < R->screen.tscroll)
1090 R->screen.cur.row = R->screen.tscroll;
1091 else
1092 R->screen.cur.row += row;
1093 }
1094 } else {
1095 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1096 R->screen.cur.row = row + R->screen.tscroll;
1097 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1098 } else
1099 R->screen.cur.row = row; 1213 screen.cur.row += row;
1214 }
1215 else if (row < 0)
1216 {
1217 if (screen.cur.row >= screen.tscroll
1218 && (screen.cur.row + row) < screen.tscroll)
1219 screen.cur.row = screen.tscroll;
1220 else
1221 screen.cur.row += row;
1222 }
1223 }
1224 else
1100 } 1225 {
1101 MAX_IT(R->screen.cur.row, 0); 1226 if (screen.flags & Screen_Relative)
1102 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1227 {
1103} 1228 /* relative origin mode */
1229 screen.cur.row = row + screen.tscroll;
1230 min_it (screen.cur.row, screen.bscroll);
1231 }
1232 else
1233 screen.cur.row = row;
1234 }
1104 1235
1236 clamp_it (screen.cur.row, 0, nrow - 1);
1237}
1238
1105/* ------------------------------------------------------------------------- */ 1239/* ------------------------------------------------------------------------- */
1106/* 1240/*
1107 * direction should be UP or DN 1241 * direction should be UP or DN
1108 */ 1242 */
1109/* EXTPROTO */
1110void 1243void
1111rxvt_scr_index(pR_ enum page_dirn direction) 1244rxvt_term::scr_index (enum page_dirn direction) noexcept
1112{ 1245{
1113 int dirn;
1114
1115 R->want_refresh = 1; 1246 want_refresh = 1;
1116 dirn = ((direction == UP) ? 1 : -1);
1117 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1118
1119 ZERO_SCROLLBACK(R); 1247 ZERO_SCROLLBACK ();
1120 1248
1121#ifdef RXVT_GRAPHICS
1122 if (rxvt_Gr_Displayed(aR))
1123 rxvt_Gr_scroll(aR_ 0);
1124#endif
1125
1126 R->screen.flags &= ~Screen_WrapNext; 1249 screen.flags &= ~Screen_WrapNext;
1250
1127 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1251 if ((screen.cur.row == screen.bscroll && direction == UP)
1128 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1252 || (screen.cur.row == screen.tscroll && direction == DN))
1129 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, dirn, 0); 1253 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1130 else 1254 else
1131 R->screen.cur.row += dirn; 1255 screen.cur.row += direction;
1132 MAX_IT(R->screen.cur.row, 0); 1256
1133 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1257 clamp_it (screen.cur.row, 0, nrow - 1);
1134 rxvt_selection_check(aR_ 0); 1258 selection_check (0);
1135} 1259}
1136 1260
1137/* ------------------------------------------------------------------------- */ 1261/* ------------------------------------------------------------------------- */
1138/* 1262/*
1139 * Erase part or whole of a line 1263 * Erase part or whole of a line
1140 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1264 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1141 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1265 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1142 * 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
1143 */ 1268 */
1144/* EXTPROTO */
1145void 1269void
1146rxvt_scr_erase_line(pR_ int mode) 1270rxvt_term::scr_erase_line (int mode) noexcept
1147{ 1271{
1148 unsigned int row, col, num; 1272 unsigned int col, num;
1149 1273
1150 R->want_refresh = 1; 1274 want_refresh = 1;
1151 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1152 ZERO_SCROLLBACK (R); 1275 ZERO_SCROLLBACK ();
1153 1276
1154#ifdef RXVT_GRAPHICS
1155 if (rxvt_Gr_Displayed (aR))
1156 rxvt_Gr_scroll (aR_ 0);
1157#endif
1158
1159 rxvt_selection_check (aR_ 1); 1277 selection_check (1);
1160 1278
1161 R->screen.flags &= ~Screen_WrapNext; 1279 line_t &line = ROW(screen.cur.row);
1162 1280
1163 row = R->TermWin.saveLines + R->screen.cur.row; 1281 line.touch ();
1282 line.is_longer (0);
1283
1164 switch (mode) 1284 switch (mode)
1165 { 1285 {
1286 case 3:
1287 if (screen.flags & Screen_WrapNext)
1288 return;
1289
1290 /* fall through */
1291
1166 case 0: /* erase to end of line */ 1292 case 0: /* erase to end of line */
1167 col = R->screen.cur.col; 1293 col = screen.cur.col;
1168 num = R->TermWin.ncol - col; 1294 num = ncol - col;
1169 MIN_IT(R->screen.tlen[row], (int16_t)col); 1295 min_it (line.l, col);
1296
1170 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1297 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1171 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1298 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1172 CLEAR_SELECTION(R); 1299 CLEAR_SELECTION ();
1173 break; 1300 break;
1301
1174 case 1: /* erase to beginning of line */ 1302 case 1: /* erase to beginning of line */
1175 col = 0; 1303 col = 0;
1176 num = R->screen.cur.col + 1; 1304 num = screen.cur.col + 1;
1305
1177 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1306 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1178 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1307 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1179 CLEAR_SELECTION(R); 1308 CLEAR_SELECTION ();
1180 break; 1309 break;
1310
1181 case 2: /* erase whole line */ 1311 case 2: /* erase whole line */
1182 col = 0; 1312 col = 0;
1183 num = R->TermWin.ncol; 1313 num = ncol;
1184 R->screen.tlen[row] = 0; 1314 line.l = 0;
1185 if (R->selection.beg.row <= R->screen.cur.row 1315 if (selection.beg.row <= screen.cur.row
1186 && R->selection.end.row >= R->screen.cur.row) 1316 && selection.end.row >= screen.cur.row)
1187 CLEAR_SELECTION(R); 1317 CLEAR_SELECTION ();
1188 break; 1318 break;
1189 default: 1319 default:
1190 return; 1320 return;
1191 } 1321 }
1192 1322
1193 if (R->screen.text[row]) 1323 scr_blank_line (line, col, num, rstyle);
1194 R->scr_blank_line (&(R->screen.text[row][col]),
1195 &(R->screen.rend[row][col]), num, R->rstyle);
1196 else
1197 R->scr_blank_screen_mem (R->screen.text, R->screen.rend, row, R->rstyle);
1198} 1324}
1199 1325
1200/* ------------------------------------------------------------------------- */ 1326/* ------------------------------------------------------------------------- */
1201/* 1327/*
1202 * Erase part of whole of the screen 1328 * Erase part or whole of the screen
1203 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1329 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1204 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1330 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1205 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1331 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1206 */ 1332 */
1207void 1333void
1208rxvt_term::scr_erase_screen (int mode) 1334rxvt_term::scr_erase_screen (int mode) noexcept
1209{ 1335{
1210 int num; 1336 int num;
1211 int32_t row, row_offset; 1337 int32_t row;
1212 rend_t ren; 1338 rend_t ren;
1213 XGCValues gcvalue; 1339 XGCValues gcvalue;
1214 1340
1215 want_refresh = 1; 1341 want_refresh = 1;
1216 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1217 ZERO_SCROLLBACK(this); 1342 ZERO_SCROLLBACK ();
1218 row_offset = (int32_t)TermWin.saveLines;
1219 1343
1220 switch (mode) { 1344 switch (mode)
1345 {
1221 case 0: /* erase to end of screen */ 1346 case 0: /* erase to end of screen */
1222 rxvt_selection_check(this,1);
1223 rxvt_scr_erase_line(this,0); 1347 scr_erase_line (0);
1224 row = screen.cur.row + 1; /* possible OOB */ 1348 row = screen.cur.row + 1; /* possible OOB */
1225 num = TermWin.nrow - row; 1349 num = nrow - row;
1226 break; 1350 break;
1227 case 1: /* erase to beginning of screen */ 1351 case 1: /* erase to beginning of screen */
1228 rxvt_selection_check(this,3);
1229 rxvt_scr_erase_line(this,1); 1352 scr_erase_line (1);
1230 row = 0; 1353 row = 0;
1231 num = screen.cur.row; 1354 num = screen.cur.row;
1232 break; 1355 break;
1233 case 2: /* erase whole screen */ 1356 case 2: /* erase whole screen */
1234 rxvt_selection_check (this, 3);
1235#ifdef RXVT_GRAPHICS
1236 rxvt_Gr_ClearScreen (this);
1237#endif
1238 row = 0; 1357 row = 0;
1239 num = TermWin.nrow; 1358 num = nrow;
1240 break; 1359 break;
1241 default: 1360 default:
1242 return; 1361 return;
1243 } 1362 }
1244 refresh_type |= REFRESH_BOUNDS; 1363
1245 if (selection.op && current_screen == selection.screen 1364 if (selection.op && current_screen == selection.screen
1246 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1365 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1247 || (selection.end.row >= row 1366 || (selection.end.row >= row
1248 && selection.end.row <= row + num))) 1367 && selection.end.row <= row + num)))
1249 CLEAR_SELECTION (this); 1368 CLEAR_SELECTION ();
1369
1250 if (row >= TermWin.nrow) /* Out Of Bounds */ 1370 if (row >= nrow) /* Out Of Bounds */
1251 return; 1371 return;
1252 MIN_IT(num, (TermWin.nrow - row)); 1372
1373 min_it (num, nrow - row);
1374
1253 if (rstyle & (RS_RVid | RS_Uline)) 1375 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1254 ren = (rend_t) ~RS_None; 1376 ren = (rend_t) ~RS_None;
1255 else if (GET_BASEBG(rstyle) == Color_bg) { 1377 else if (GET_BASEBG (rstyle) == Color_bg)
1378 {
1256 ren = DEFAULT_RSTYLE; 1379 ren = DEFAULT_RSTYLE;
1257 CLEAR_ROWS(row, num); 1380
1258 } else { 1381 if (mapped)
1382 XClearArea (dpy, vt, 0,
1383 Row2Pixel (row - view_start), (unsigned int)vt_width,
1384 (unsigned int)Height2Pixel (num), False);
1385 }
1386 else
1387 {
1259 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1388 ren = rstyle & (RS_fgMask | RS_bgMask);
1389
1390 if (mapped)
1391 {
1260 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1392 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1261 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1262 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));
1263 gcvalue.foreground = PixColors[Color_fg]; 1398 gcvalue.foreground = pix_colors[Color_fg];
1264 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1399 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1400 }
1265 } 1401 }
1402
1266 for (; num--; row++) { 1403 for (; num--; row++)
1267 scr_blank_screen_mem (screen.text, screen.rend,
1268 (unsigned int)(row + row_offset), rstyle);
1269 screen.tlen[row + row_offset] = 0;
1270 scr_blank_line (drawn_text[row], drawn_rend[row],
1271 (unsigned int)TermWin.ncol, ren);
1272 } 1404 {
1405 scr_blank_screen_mem (ROW(row), rstyle);
1406
1407 if (row - view_start < nrow)
1408 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1409 }
1273} 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
1274 1422
1275/* ------------------------------------------------------------------------- */ 1423/* ------------------------------------------------------------------------- */
1276/* 1424/*
1277 * Fill the screen with `E's 1425 * Fill the screen with `E's
1278 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1426 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1279 */ 1427 */
1280/* EXTPROTO */ 1428void ecb_cold
1281void 1429rxvt_term::scr_E () noexcept
1282rxvt_scr_E(pR)
1283{ 1430{
1284 int i, j, k; 1431 rend_t fs;
1285 rend_t *r1, fs;
1286 1432
1287 R->want_refresh = 1; 1433 want_refresh = 1;
1288 R->num_scr_allow = 0;
1289 ZERO_SCROLLBACK(R); 1434 ZERO_SCROLLBACK ();
1290 rxvt_selection_check(aR_ 3);
1291 1435
1292 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1436 num_scr_allow = 0;
1293 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1437
1294 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1438 row_col_t pos;
1295 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1439 pos.row = pos.col = 0;
1296 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1440 if (ROWCOL_IS_AFTER (selection.end, pos))
1441 CLEAR_SELECTION ();
1442
1443 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1444 for (int row = nrow; row--; )
1445 {
1446 line_t &line = ROW(row);
1447
1448 fill_text (line.t, 'E', ncol);
1449 rend_t *r1 = line.r;
1450
1451 for (int j = ncol; j--; )
1297 *r1++ = fs; 1452 *r1++ = fs;
1453
1454 line.is_longer (0);
1455 line.touch (ncol);
1298 } 1456 }
1299} 1457}
1300 1458
1301/* ------------------------------------------------------------------------- */ 1459/* ------------------------------------------------------------------------- */
1302/* 1460/*
1303 * Insert/Delete <count> lines 1461 * Insert/Delete <count> lines
1304 */ 1462 */
1305/* EXTPROTO */
1306void 1463void
1307rxvt_scr_insdel_lines(pR_ int count, int insdel) 1464rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1308{ 1465{
1309 int end; 1466 int end;
1310 1467
1311 ZERO_SCROLLBACK(R); 1468 ZERO_SCROLLBACK ();
1312 1469
1313#ifdef RXVT_GRAPHICS
1314 if (rxvt_Gr_Displayed(aR))
1315 rxvt_Gr_scroll(aR_ 0);
1316#endif
1317
1318 rxvt_selection_check(aR_ 1); 1470 selection_check (1);
1319 1471
1320 if (R->screen.cur.row > R->screen.bscroll) 1472 if (screen.cur.row > screen.bscroll)
1473 return;
1474
1475 end = screen.bscroll - screen.cur.row + 1;
1476 if (count > end)
1477 {
1478 if (insdel == DELETE)
1321 return; 1479 return;
1322
1323 end = R->screen.bscroll - R->screen.cur.row + 1;
1324 if (count > end) {
1325 if (insdel == DELETE)
1326 return;
1327 else if (insdel == INSERT) 1480 else if (insdel == INSERT)
1328 count = end; 1481 count = end;
1329 } 1482 }
1330 R->screen.flags &= ~Screen_WrapNext;
1331 1483
1484 scr_do_wrap ();
1485
1332 R->scr_scroll_text(R->screen.cur.row, R->screen.bscroll, insdel * count, 0); 1486 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1333} 1487}
1334 1488
1335/* ------------------------------------------------------------------------- */ 1489/* ------------------------------------------------------------------------- */
1336/* 1490/*
1337 * Insert/Delete <count> characters from the current position 1491 * Insert/Delete <count> characters from the current position
1338 */ 1492 */
1339/* EXTPROTO */
1340void 1493void
1341rxvt_scr_insdel_chars(pR_ int count, int insdel) 1494rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1342{ 1495{
1343 int col, row;
1344 rend_t tr;
1345 text_t *stp;
1346 rend_t *srp;
1347 int16_t *slp;
1348
1349 R->want_refresh = 1; 1496 want_refresh = 1;
1350 ZERO_SCROLLBACK(R); 1497 ZERO_SCROLLBACK ();
1351 1498
1352#ifdef RXVT_GRAPHICS
1353 if (rxvt_Gr_Displayed(aR))
1354 rxvt_Gr_scroll(aR_ 0);
1355#endif
1356
1357 if (count <= 0) 1499 if (count <= 0)
1358 return; 1500 return;
1359 1501
1502 scr_do_wrap ();
1503
1360 rxvt_selection_check(aR_ 1); 1504 selection_check (1);
1361 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1505 min_it (count, ncol - screen.cur.col);
1362 1506
1363 row = R->screen.cur.row + R->TermWin.saveLines; 1507 int row = screen.cur.row;
1364 R->screen.flags &= ~Screen_WrapNext;
1365 1508
1366 stp = R->screen.text[row]; 1509 line_t *line = &ROW(row);
1367 srp = R->screen.rend[row]; 1510
1368 slp = &(R->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
1369 switch (insdel) { 1518 switch (insdel)
1519 {
1370 case INSERT: 1520 case INSERT:
1371 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1521 line->l = min (line->l + count, ncol);
1372 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--)
1527 {
1373 stp[col] = stp[col - count]; 1528 line->t[col] = line->t[col - count];
1374 srp[col] = srp[col - count]; 1529 line->r[col] = line->r[col - count];
1375 } 1530 }
1376 if (*slp != -1) { 1531
1377 *slp += count;
1378 MIN_IT(*slp, R->TermWin.ncol);
1379 }
1380 if (R->selection.op && R->current_screen == R->selection.screen 1532 if (selection.op && current_screen == selection.screen
1381 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1533 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1534 {
1382 if (R->selection.end.row != R->screen.cur.row 1535 if (selection.end.row != screen.cur.row
1383 || (R->selection.end.col + count >= R->TermWin.ncol)) 1536 || (selection.end.col + count >= ncol))
1384 CLEAR_SELECTION(R); 1537 CLEAR_SELECTION ();
1538 else
1539 {
1385 else { /* shift selection */ 1540 /* shift selection */
1386 R->selection.beg.col += count; 1541 selection.beg.col += count;
1387 R->selection.mark.col += count; /* XXX: yes? */ 1542 selection.mark.col += count; /* XXX: yes? */
1388 R->selection.end.col += count; 1543 selection.end.col += count;
1389 } 1544 }
1390 } 1545 }
1391 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1546
1392 (unsigned int)count, R->rstyle); 1547 scr_blank_line (*line, screen.cur.col, count, rstyle);
1393 break; 1548 break;
1549
1394 case ERASE: 1550 case ERASE:
1395 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1551 screen.cur.col += count; /* don't worry if > ncol */
1396 rxvt_selection_check(aR_ 1); 1552 selection_check (1);
1397 R->screen.cur.col -= count; 1553 screen.cur.col -= count;
1398 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1554
1399 (unsigned int)count, R->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);
1400 break; 1560 break;
1561
1401 case DELETE: 1562 case DELETE:
1402 tr = srp[R->TermWin.ncol - 1] 1563 line->l = max (line->l - count, 0);
1403 & (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
1404 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1569 for (int col = screen.cur.col; (col + count) < ncol; col++)
1570 {
1405 stp[col] = stp[col + count]; 1571 line->t[col] = line->t[col + count];
1406 srp[col] = srp[col + count]; 1572 line->r[col] = line->r[col + count];
1407 } 1573 }
1408 R->scr_blank_line (&(stp[R->TermWin.ncol - count]), 1574
1409 &(srp[R->TermWin.ncol - count]), 1575 scr_blank_line (*line, ncol - count, count, rstyle);
1410 (unsigned int)count, tr); 1576
1411 if (*slp == -1) /* break line continuation */
1412 *slp = R->TermWin.ncol;
1413 *slp -= count;
1414 MAX_IT(*slp, 0);
1415 if (R->selection.op && R->current_screen == R->selection.screen 1577 if (selection.op && current_screen == selection.screen
1416 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1578 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1579 {
1417 if (R->selection.end.row != R->screen.cur.row 1580 if (selection.end.row != screen.cur.row
1418 || (R->screen.cur.col >= R->selection.beg.col - count) 1581 || (screen.cur.col >= selection.beg.col - count)
1419 || R->selection.end.col >= R->TermWin.ncol) 1582 || selection.end.col >= ncol)
1420 CLEAR_SELECTION(R); 1583 CLEAR_SELECTION ();
1421 else { 1584 else
1585 {
1422 /* shift selection */ 1586 /* shift selection */
1423 R->selection.beg.col -= count; 1587 selection.beg.col -= count;
1424 R->selection.mark.col -= count; /* XXX: yes? */ 1588 selection.mark.col -= count; /* XXX: yes? */
1425 R->selection.end.col -= count; 1589 selection.end.col -= count;
1426 } 1590 }
1427 } 1591 }
1592
1428 break; 1593 break;
1429 } 1594 }
1430} 1595}
1431 1596
1432/* ------------------------------------------------------------------------- */ 1597/* ------------------------------------------------------------------------- */
1433/* 1598/*
1434 * Set the scrolling region 1599 * Set the scrolling region
1435 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1600 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1436 */ 1601 */
1437/* EXTPROTO */ 1602void ecb_cold
1438void
1439rxvt_scr_scroll_region(pR_ int top, int bot) 1603rxvt_term::scr_scroll_region (int top, int bot) noexcept
1440{ 1604{
1441 MAX_IT(top, 0); 1605 max_it (top, 0);
1442 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1606 min_it (bot, nrow - 1);
1607
1443 if (top > bot) 1608 if (top > bot)
1444 return; 1609 return;
1610
1445 R->screen.tscroll = top; 1611 screen.tscroll = top;
1446 R->screen.bscroll = bot; 1612 screen.bscroll = bot;
1447 rxvt_scr_gotorc(aR_ 0, 0, 0); 1613 scr_gotorc (0, 0, 0);
1448} 1614}
1449 1615
1450/* ------------------------------------------------------------------------- */ 1616/* ------------------------------------------------------------------------- */
1451/* 1617/*
1452 * Make the cursor visible/invisible 1618 * Make the cursor visible/invisible
1453 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1619 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1454 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1620 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1455 */ 1621 */
1456/* EXTPROTO */ 1622void ecb_cold
1457void
1458rxvt_scr_cursor_visible(pR_ int mode) 1623rxvt_term::scr_cursor_visible (int mode) noexcept
1459{ 1624{
1460 R->want_refresh = 1; 1625 want_refresh = 1;
1626
1461 if (mode) 1627 if (mode)
1462 R->screen.flags |= Screen_VisibleCursor; 1628 screen.flags |= Screen_VisibleCursor;
1463 else 1629 else
1464 R->screen.flags &= ~Screen_VisibleCursor; 1630 screen.flags &= ~Screen_VisibleCursor;
1465} 1631}
1466 1632
1467/* ------------------------------------------------------------------------- */ 1633/* ------------------------------------------------------------------------- */
1468/* 1634/*
1469 * Set/unset automatic wrapping 1635 * Set/unset automatic wrapping
1470 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1636 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1471 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1637 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1472 */ 1638 */
1473/* EXTPROTO */ 1639void ecb_cold
1474void 1640rxvt_term::scr_autowrap (int mode) noexcept
1475rxvt_scr_autowrap(pR_ int mode)
1476{ 1641{
1477 if (mode) 1642 if (mode)
1478 R->screen.flags |= Screen_Autowrap; 1643 screen.flags |= Screen_Autowrap;
1479 else 1644 else
1480 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1645 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1481} 1646}
1482 1647
1483/* ------------------------------------------------------------------------- */ 1648/* ------------------------------------------------------------------------- */
1484/* 1649/*
1485 * Set/unset margin origin mode 1650 * Set/unset margin origin mode
… …
1488 * 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
1489 * and the cursor cannot be moved outside. 1654 * and the cursor cannot be moved outside.
1490 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1655 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1491 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1656 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1492 */ 1657 */
1493/* EXTPROTO */ 1658void ecb_cold
1494void
1495rxvt_scr_relative_origin(pR_ int mode) 1659rxvt_term::scr_relative_origin (int mode) noexcept
1496{ 1660{
1497 if (mode) 1661 if (mode)
1498 R->screen.flags |= Screen_Relative; 1662 screen.flags |= Screen_Relative;
1499 else 1663 else
1500 R->screen.flags &= ~Screen_Relative; 1664 screen.flags &= ~Screen_Relative;
1665
1501 rxvt_scr_gotorc(aR_ 0, 0, 0); 1666 scr_gotorc (0, 0, 0);
1502} 1667}
1503 1668
1504/* ------------------------------------------------------------------------- */ 1669/* ------------------------------------------------------------------------- */
1505/* 1670/*
1506 * Set insert/replace mode 1671 * Set insert/replace mode
1507 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1672 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1508 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1673 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1509 */ 1674 */
1510/* EXTPROTO */ 1675void ecb_cold
1511void
1512rxvt_scr_insert_mode(pR_ int mode) 1676rxvt_term::scr_insert_mode (int mode) noexcept
1513{ 1677{
1514 if (mode) 1678 if (mode)
1515 R->screen.flags |= Screen_Insert; 1679 screen.flags |= Screen_Insert;
1516 else 1680 else
1517 R->screen.flags &= ~Screen_Insert; 1681 screen.flags &= ~Screen_Insert;
1518} 1682}
1519 1683
1520/* ------------------------------------------------------------------------- */ 1684/* ------------------------------------------------------------------------- */
1521/* 1685/*
1522 * Set/Unset tabs 1686 * Set/Unset tabs
1523 * XTERM_SEQ: Set tab at current column : ESC H 1687 * XTERM_SEQ: Set tab at current column : ESC H
1524 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1688 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1525 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1689 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1526 */ 1690 */
1527/* EXTPROTO */ 1691void ecb_cold
1528void 1692rxvt_term::scr_set_tab (int mode) noexcept
1529rxvt_scr_set_tab(pR_ int mode)
1530{ 1693{
1531 if (mode < 0) 1694 if (mode < 0)
1532 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1695 memset (tabs, 0, ncol);
1533 else if (R->screen.cur.col < R->TermWin.ncol) 1696 else if (screen.cur.col < ncol)
1534 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1697 tabs [screen.cur.col] = !!mode;
1535} 1698}
1536 1699
1537/* ------------------------------------------------------------------------- */ 1700/* ------------------------------------------------------------------------- */
1538/* 1701/*
1539 * Set reverse/normal video 1702 * Set reverse/normal video
1540 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1703 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1541 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1704 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1542 */ 1705 */
1543/* EXTPROTO */
1544void 1706void
1545rxvt_scr_rvideo_mode(pR_ int mode) 1707rxvt_term::scr_rvideo_mode (bool on) noexcept
1546{ 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
1547 XGCValues gcvalue; 1733 XGCValues gcvalue;
1548
1549 if (R->rvideo != mode) {
1550 R->rvideo = mode;
1551 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1552#if defined(XPM_BACKGROUND)
1553 if (R->bgPixmap.pixmap == None)
1554#endif
1555#if defined(TRANSPARENT)
1556 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1557#endif
1558 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1559 R->PixColors[Color_bg]);
1560
1561 gcvalue.foreground = R->PixColors[Color_fg]; 1734 gcvalue.foreground = pix_colors[Color_fg];
1562 gcvalue.background = R->PixColors[Color_bg]; 1735 gcvalue.background = pix_colors[Color_bg];
1563 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1736 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1564 &gcvalue); 1737
1565 R->scr_clear (); 1738 scr_clear ();
1566 R->scr_touch (true); 1739 scr_touch (true);
1567 } 1740 }
1568} 1741}
1569 1742
1570/* ------------------------------------------------------------------------- */ 1743/* ------------------------------------------------------------------------- */
1571/* 1744/*
1572 * Report current cursor position 1745 * Report current cursor position
1573 * XTERM_SEQ: Report position: ESC [ 6 n 1746 * XTERM_SEQ: Report position: ESC [ 6 n
1574 */ 1747 */
1575/* EXTPROTO */ 1748void ecb_cold
1576void 1749rxvt_term::scr_report_position () noexcept
1577rxvt_scr_report_position(pR)
1578{ 1750{
1579 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1751 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1580} 1752}
1581 1753
1582/* ------------------------------------------------------------------------- * 1754/* ------------------------------------------------------------------------- *
1583 * FONTS * 1755 * FONTS *
1584 * ------------------------------------------------------------------------- */ 1756 * ------------------------------------------------------------------------- */
1585 1757
1586/* 1758/*
1587 * Set font style 1759 * Set font style
1588 */ 1760 */
1589/* INTPROTO */ 1761void ecb_cold
1590void 1762rxvt_term::set_font_style () noexcept
1591rxvt_set_font_style(pR)
1592{ 1763{
1764#if 0
1593 switch (R->charsets[R->screen.charset]) { 1765 switch (charsets [screen.charset])
1766 {
1594 case '0': /* DEC Special Character & Line Drawing Set */ 1767 case '0': /* DEC Special Character & Line Drawing Set */
1595 break; 1768 break;
1596 case 'A': /* United Kingdom (UK) */ 1769 case 'A': /* United Kingdom (UK) */
1597 break; 1770 break;
1598 case 'B': /* United States (USASCII) */ 1771 case 'B': /* United States (USASCII) */
1599 break; 1772 break;
1600 case '<': /* Multinational character set */ 1773 case '<': /* Multinational character set */
1601 break; 1774 break;
1602 case '5': /* Finnish character set */ 1775 case '5': /* Finnish character set */
1603 break; 1776 break;
1604 case 'C': /* Finnish character set */ 1777 case 'C': /* Finnish character set */
1605 break; 1778 break;
1606 case 'K': /* German character set */ 1779 case 'K': /* German character set */
1607 break; 1780 break;
1608 } 1781 }
1782#endif
1609} 1783}
1610 1784
1611/* ------------------------------------------------------------------------- */ 1785/* ------------------------------------------------------------------------- */
1612/* 1786/*
1613 * Choose a font 1787 * Choose a font
1614 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1788 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1615 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1789 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1616 * XTERM_SEQ: Invoke G2 character set: ESC N 1790 * XTERM_SEQ: Invoke G2 character set: ESC N
1617 * XTERM_SEQ: Invoke G3 character set: ESC O 1791 * XTERM_SEQ: Invoke G3 character set: ESC O
1618 */ 1792 */
1619/* EXTPROTO */ 1793void ecb_cold
1620void
1621rxvt_scr_charset_choose(pR_ int set) 1794rxvt_term::scr_charset_choose (int set) noexcept
1622{ 1795{
1623 R->screen.charset = set; 1796 screen.charset = set;
1624 rxvt_set_font_style(aR); 1797 set_font_style ();
1625} 1798}
1626 1799
1627/* ------------------------------------------------------------------------- */ 1800/* ------------------------------------------------------------------------- */
1628/* 1801/*
1629 * Set a font 1802 * Set a font
… …
1631 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1804 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1632 * XTERM_SEQ: Set G2 character set: ESC * <C> 1805 * XTERM_SEQ: Set G2 character set: ESC * <C>
1633 * XTERM_SEQ: Set G3 character set: ESC + <C> 1806 * XTERM_SEQ: Set G3 character set: ESC + <C>
1634 * See set_font_style for possible values for <C> 1807 * See set_font_style for possible values for <C>
1635 */ 1808 */
1636/* EXTPROTO */
1637void 1809void
1638rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1810rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1639{ 1811{
1640 R->charsets[set] = (unsigned char)ch; 1812 charsets[set] = (unsigned char)ch;
1641 rxvt_set_font_style(aR); 1813 set_font_style ();
1642} 1814}
1643 1815
1644
1645/* ------------------------------------------------------------------------- *
1646 * GRAPHICS COLOURS *
1647 * ------------------------------------------------------------------------- */
1648
1649#ifdef RXVT_GRAPHICS
1650/* EXTPROTO */
1651int
1652rxvt_scr_get_fgcolor(pR)
1653{
1654 return GET_FGCOLOR(R->rstyle);
1655}
1656
1657/* ------------------------------------------------------------------------- */
1658/* EXTPROTO */
1659int
1660rxvt_scr_get_bgcolor(pR)
1661{
1662 return GET_BGCOLOR(R->rstyle);
1663}
1664#endif
1665 1816
1666/* ------------------------------------------------------------------------- * 1817/* ------------------------------------------------------------------------- *
1667 * MAJOR SCREEN MANIPULATION * 1818 * MAJOR SCREEN MANIPULATION *
1668 * ------------------------------------------------------------------------- */ 1819 * ------------------------------------------------------------------------- */
1669 1820
1670/* 1821/*
1822 * refresh matching text.
1823 */
1824bool ecb_cold
1825rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1826{
1827 bool found = false;
1828
1829 for (int i = 0; i < nrow; i++)
1830 {
1831 rend_t *drp = drawn_buf[i].r;
1832
1833 for (int col = 0; col < ncol; col++, drp++)
1834 if ((*drp & mask) == value)
1835 {
1836 found = true;
1837 *drp = ~value;
1838 }
1839 }
1840
1841 return found;
1842}
1843
1844/*
1671 * Refresh an area 1845 * Refresh an area
1672 */ 1846 */
1673enum { 1847enum {
1674 PART_BEG = 0, 1848 PART_BEG = 0,
1675 PART_END, 1849 PART_END,
1676 RC_COUNT 1850 RC_COUNT
1677}; 1851};
1678 1852
1679void 1853void ecb_hot
1680rxvt_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
1681{ 1855{
1682 int i; 1856 int i;
1683 row_col_t rc[RC_COUNT]; 1857 row_col_t rc[RC_COUNT];
1684 1858
1685 if (drawn_text == NULL) /* sanity check */ 1859 if (!drawn_buf) /* sanity check */
1686 return; 1860 return;
1687 1861
1688#ifdef DEBUG_STRICT 1862#ifndef NO_SLOW_LINK_SUPPORT
1689 x = max(x, (int)TermWin.int_bwidth); 1863 if (refresh_type == FAST_REFRESH && !display->is_local)
1690 x = min(x, (int)TermWin.width); 1864 {
1691 y = max(y, (int)TermWin.int_bwidth); 1865 y = 0;
1692 y = min(y, (int)TermWin.height); 1866 eheight = height;
1867 }
1693#endif 1868#endif
1694 1869
1695/* round down */ 1870 /* round down */
1696 rc[PART_BEG].col = Pixel2Col(x); 1871 rc[PART_BEG].col = Pixel2Col (x);
1697 rc[PART_BEG].row = Pixel2Row(y); 1872 rc[PART_BEG].row = Pixel2Row (y);
1698/* round up */ 1873 /* round up */
1699 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1874 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1700 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1875 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1701 1876
1702/* sanity checks */ 1877 /* sanity checks */
1703 for (i = PART_BEG; i < RC_COUNT; i++) 1878 for (i = PART_BEG; i < RC_COUNT; i++)
1704 { 1879 {
1705 MIN_IT(rc[i].col, TermWin.ncol - 1); 1880 min_it (rc[i].col, ncol - 1);
1706 MIN_IT(rc[i].row, TermWin.nrow - 1); 1881 min_it (rc[i].row, nrow - 1);
1707 } 1882 }
1708
1709 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));
1710 1883
1711 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++)
1712 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);
1713 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1886
1887 num_scr_allow = 0;
1714 1888
1715 if (refresh) 1889 if (refresh)
1716 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1890 scr_refresh ();
1717} 1891}
1718 1892
1719/* ------------------------------------------------------------------------- */ 1893/* ------------------------------------------------------------------------- */
1720/* 1894/*
1721 * Refresh the entire screen 1895 * Refresh the entire screen
1722 */ 1896 */
1723void 1897void
1724rxvt_term::scr_touch (bool refresh) 1898rxvt_term::scr_touch (bool refresh) noexcept
1725{ 1899{
1726 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1900 scr_expose (0, 0, vt_width, vt_height, refresh);
1727} 1901}
1728 1902
1729/* ------------------------------------------------------------------------- */ 1903/* ------------------------------------------------------------------------- */
1730/* 1904/*
1731 * 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
1732 * the top of the screen 1906 * the top of the screen
1733 */ 1907 */
1734/* EXTPROTO */ 1908void
1735int
1736rxvt_scr_move_to(pR_ int y, int len) 1909rxvt_term::scr_move_to (int y, int len) noexcept
1737{ 1910{
1738 long p = 0; 1911 // lerp (y, 0, len, top_row, nrow - 1)
1739 uint16_t oldviewstart; 1912 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1740
1741 oldviewstart = R->TermWin.view_start;
1742 if (y < len) {
1743 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1744 p -= (long)(R->TermWin.nrow - 1);
1745 p = max(p, 0);
1746 }
1747 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1748 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1749
1750 return rxvt_scr_changeview(aR_ oldviewstart);
1751} 1913}
1752 1914
1753/* ------------------------------------------------------------------------- */ 1915/* ------------------------------------------------------------------------- */
1754/* 1916/*
1755 * Page the screen up/down nlines 1917 * Page the screen up/down nlines
1756 * direction should be UP or DN 1918 * direction should be UP or DN
1757 */ 1919 */
1758/* EXTPROTO */ 1920bool
1759int 1921rxvt_term::scr_page (int nlines) noexcept
1760rxvt_scr_page(pR_ enum page_dirn direction, int nlines)
1761{ 1922{
1762 int n; 1923 return scr_changeview (view_start - nlines);
1763 uint16_t oldviewstart;
1764
1765 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1766#ifdef DEBUG_STRICT
1767 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1768#endif
1769 oldviewstart = R->TermWin.view_start;
1770 if (direction == UP) {
1771 n = R->TermWin.view_start + nlines;
1772 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1773 } else {
1774 n = R->TermWin.view_start - nlines;
1775 R->TermWin.view_start = max(n, 0);
1776 }
1777 return rxvt_scr_changeview(aR_ oldviewstart);
1778} 1924}
1779 1925
1780/* INTPROTO */ 1926bool
1781int 1927rxvt_term::scr_changeview (int new_view_start) noexcept
1782rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1783{ 1928{
1784 if (R->TermWin.view_start != oldviewstart) { 1929 clamp_it (new_view_start, top_row, 0);
1930
1931 if (new_view_start == view_start)
1932 return false;
1933
1934 num_scr += new_view_start - view_start;
1935 view_start = new_view_start;
1785 R->want_refresh = 1; 1936 want_refresh = 1;
1786#ifdef RXVT_GRAPHICS
1787 if (rxvt_Gr_Displayed(aR))
1788 rxvt_Gr_scroll(aR_ 0);
1789#endif
1790 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1791 }
1792 return (int)(R->TermWin.view_start - oldviewstart);
1793}
1794 1937
1795/* ------------------------------------------------------------------------- */ 1938 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1796/* EXTPROTO */ 1939
1797void 1940 return true;
1798rxvt_scr_bell(pR) 1941}
1799{ 1942
1800#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
1801# ifndef NO_MAPALERT 1959# ifndef NO_MAPALERT
1802# ifdef MAPALERT_OPTION 1960# ifdef MAPALERT_OPTION
1803 if (R->Options & Opt_mapAlert) 1961 if (option (Opt_mapAlert))
1804# endif 1962# endif
1805 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1963 XMapWindow (dpy, parent);
1806# endif 1964# endif
1807 if (R->Options & Opt_visualBell) { 1965
1808 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1966# if ENABLE_FRILLS
1809 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1967 if (option (Opt_urgentOnBell))
1810 } else 1968 set_urgency (1);
1811 XBell(R->Xdisplay, 0);
1812#endif 1969# endif
1813}
1814 1970
1971 if (option (Opt_visualBell))
1972 {
1973 rvideo_bell = true;
1974 scr_rvideo_mode (rvideo_mode);
1975 flush ();
1976
1977 bell_ev.start (VISUAL_BELL_DURATION);
1978 }
1979 else
1980 XBell (dpy, 0);
1981 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1982#endif
1983}
1984
1815/* ------------------------------------------------------------------------- */ 1985/* ------------------------------------------------------------------------- */
1816/* ARGSUSED */ 1986void ecb_cold
1817/* EXTPROTO */
1818void
1819rxvt_scr_printscreen(pR_ int fullhist) 1987rxvt_term::scr_printscreen (int fullhist) noexcept
1820{ 1988{
1821#ifdef PRINTPIPE 1989#ifdef PRINTPIPE
1822 int i, r1, nrows, row_offset; 1990 int nrows, row_start;
1823 text_t *t; 1991 FILE *fd = popen_printer ();
1824 FILE *fd;
1825 1992
1826 if ((fd = rxvt_popen_printer(aR)) == NULL) 1993 if (!fd)
1827 return; 1994 return;
1828 nrows = R->TermWin.nrow; 1995
1829 row_offset = R->TermWin.saveLines;
1830 if (!fullhist) 1996 if (fullhist)
1831 row_offset -= R->TermWin.view_start;
1832 else {
1833 nrows += R->TermWin.nscrolled;
1834 row_offset -= R->TermWin.nscrolled;
1835 } 1997 {
1836 1998 nrows = nrow - top_row;
1837 for (r1 = 0; r1 < nrows; r1++) { 1999 row_start = top_row;
1838 t = R->screen.text[r1 + row_offset]; 2000 }
1839 for (i = R->TermWin.ncol - 1; i >= 0; i--) 2001 else
1840 if (!isspace(t[i]))
1841 break;
1842 fprintf(fd, "%.*s\n", (i + 1), t);
1843 } 2002 {
2003 nrows = nrow;
2004 row_start = view_start;
2005 }
2006
2007 wctomb (0, 0);
2008
2009 for (int r1 = row_start; r1 < row_start + nrows; r1++)
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
1844 rxvt_pclose_printer(fd); 2035 pclose_printer (fd);
1845#endif 2036#endif
1846} 2037}
1847 2038
1848/* ------------------------------------------------------------------------- */ 2039/* ------------------------------------------------------------------------- */
1849/* 2040/*
1850 * Refresh the screen 2041 * Refresh the screen
1851 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2042 * drawn_text/drawn_rend contain the screen information before the update.
1852 * R->screen.text/R->screen.rend contain what the screen will change to. 2043 * screen.text/screen.rend contain what the screen will change to.
2044 */
2045void ecb_hot
2046rxvt_term::scr_refresh () noexcept
2047{
2048 int16_t col, row, /* column/row we're processing */
2049 ocrow; /* old cursor row */
2050 int i; /* tmp */
2051 rend_t ccol1, /* Cursor colour */
2052 ccol2; /* Cursor colour2 */
2053 rend_t cur_rend;
2054 int cur_col;
2055 int cursorwidth;
2056
2057 want_refresh = 0; /* screen is current */
2058
2059 if (refresh_type == NO_REFRESH || !mapped)
2060 return;
2061
2062 /*
2063 * A: set up vars
1853 */ 2064 */
2065 refresh_count = 0;
1854 2066
1855#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2067 unsigned int old_screen_flags = screen.flags;
1856# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2068 bool have_bg = 0;
1857# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2069#ifdef HAVE_IMG
2070 have_bg = bg_img != 0;
2071#endif
2072 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2073
2074 /*
2075 * B: reverse any characters which are selected
2076 */
2077 scr_reverse_selection ();
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
2086 /*
2087 * C: set the cursor character (s)
2088 */
2089 {
2090#ifdef CURSOR_BLINK
2091 if (hidden_cursor)
2092 showcursor = 0;
2093#endif
2094
2095 if (showcursor)
2096 {
2097 int col = screen.cur.col;
2098
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);
1858#else 2117#else
1859# define MONO_BOLD(x) \ 2118 ccol1 = Color_fg;
1860 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1861# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1862#endif 2119#endif
1863 2120
1864#define FONT_WIDTH(X, Y) \
1865 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1866#define FONT_RBEAR(X, Y) \
1867 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1868#define FONT_LBEAR(X, Y) \
1869 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1870#define IS_FONT_CHAR(X, Y) \
1871 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1872
1873void
1874rxvt_term::scr_refresh (unsigned char refresh_type)
1875{
1876 unsigned char clearfirst, /* first character writes before cell */
1877 clearlast, /* last character writes beyond cell */
1878 must_clear, /* use draw_string not draw_image_string */
1879#ifndef NO_BOLDFONT
1880 bfont, /* we've changed font to bold font */
1881#endif
1882 rvid, /* reverse video this position */
1883 wbyte, /* we're in multibyte */
1884 showcursor; /* show the cursor */
1885 int fore, back; /* desired foreground/background */
1886 int16_t col, row, /* column/row we're processing */
1887 ocrow; /* old cursor row */
1888 int cursorwidth;
1889 int i, /* tmp */
1890 row_offset; /* basic offset in screen structure */
1891#ifndef NO_CURSORCOLOR 2121#ifndef NO_CURSORCOLOR
1892 rend_t cc1; /* store colours at cursor position(s) */
1893 rend_t cc2; /* store colours at cursor position(s) */
1894#endif
1895 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1896 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1897
1898 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1899 return;
1900
1901 /*
1902 * A: set up vars
1903 */
1904 clearfirst = clearlast = must_clear = wbyte = 0;
1905#ifndef NO_BOLDFONT
1906 bfont = 0;
1907#endif
1908
1909 if (currmaxcol < TermWin.ncol)
1910 {
1911 currmaxcol = TermWin.ncol;
1912 buffer = (char *)rxvt_realloc (buffer,
1913 sizeof(char) * (currmaxcol + 1) * MB_CUR_MAX);
1914 }
1915
1916 refresh_count = 0;
1917
1918 row_offset = TermWin.saveLines - TermWin.view_start;
1919
1920 if ((refresh_type & REFRESH_BOUNDS))
1921 {
1922 clearfirst = clearlast = 1;
1923 refresh_type &= ~REFRESH_BOUNDS;
1924 }
1925
1926#if defined(XPM_BACKGROUND)
1927 must_clear |= (bgPixmap.pixmap != None);
1928#endif
1929#if defined(TRANSPARENT)
1930 must_clear |= ((Options & Opt_transparent) && am_transparent);
1931#endif
1932 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1933
1934 /*
1935 * B: reverse any characters which are selected
1936 */
1937 rxvt_scr_reverse_selection (this);
1938
1939 /*
1940 * C: set the cursor character(s)
1941 */
1942 {
1943 unsigned char setoldcursor;
1944 rend_t ccol1, /* Cursor colour */
1945 ccol2; /* Cursor colour2 */
1946
1947 showcursor = (screen.flags & Screen_VisibleCursor);
1948 cursorwidth = 0;
1949#ifdef CURSOR_BLINK
1950 if (hidden_cursor)
1951 showcursor = 0;
1952#endif
1953
1954 cursorwidth = 0;
1955
1956 if (showcursor)
1957 {
1958 cursorwidth++;
1959
1960 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1961 [screen.cur.col]);
1962
1963 if (showcursor && TermWin.focus)
1964 {
1965 *srp ^= RS_RVid;
1966#ifndef NO_CURSORCOLOR
1967 cc1 = *srp & (RS_fgMask | RS_bgMask);
1968 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor)) 2122 if (ISSET_PIXCOLOR (Color_cursor2))
1969 ccol1 = Color_cursor; 2123 ccol2 = Color_cursor2;
1970 else 2124 else
2125#endif
1971#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2126#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1972 ccol1 = GET_FGCOLOR(rstyle); 2127 ccol2 = bgcolor_of (rstyle);
1973#else 2128#else
1974 ccol1 = Color_fg;
1975#endif
1976 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor2))
1977 ccol2 = Color_cursor2;
1978 else
1979#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1980 ccol2 = GET_BGCOLOR(rstyle);
1981#else
1982 ccol2 = Color_bg; 2129 ccol2 = Color_bg;
1983#endif 2130#endif
1984 *srp = SET_FGCOLOR(*srp, ccol1);
1985 *srp = SET_BGCOLOR(*srp, ccol2);
1986#endif
1987 }
1988 2131
1989 while (IS_WIDE (*srp)) 2132 if (focus && cursor_type == 0)
1990 cursorwidth++, srp++;
1991 }
1992
1993 /* make sure no outline cursor is left around */
1994 setoldcursor = 0;
1995 if (ocrow != -1) {
1996 if (screen.cur.row + TermWin.view_start != ocrow
1997 || screen.cur.col != oldcursor.col) {
1998 if (ocrow < TermWin.nrow
1999 && oldcursor.col < TermWin.ncol) {
2000 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2001 }
2002 if (TermWin.focus || !showcursor)
2003 oldcursor.row = -1;
2004 else
2005 setoldcursor = 1;
2006 } 2133 {
2007 } else if (!TermWin.focus) 2134 rend_t rend = cur_rend;
2008 setoldcursor = 1; 2135
2009 if (setoldcursor) { 2136 rend ^= RS_RVid;
2010 if (screen.cur.row + TermWin.view_start >= TermWin.nrow) 2137 rend = SET_FGCOLOR (rend, ccol1);
2011 oldcursor.row = -1; 2138 rend = SET_BGCOLOR (rend, ccol2);
2012 else { 2139
2013 oldcursor.row = screen.cur.row + TermWin.view_start; 2140 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2014 oldcursor.col = screen.cur.col;
2015 } 2141 }
2016 } 2142 }
2143
2144 /* make sure no outline cursor is left around */
2145 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
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)
2153 {
2154 oldcursor.row = screen.cur.row - view_start;
2155 oldcursor.col = screen.cur.col;
2017 } 2156 }
2157 else
2158 oldcursor.row = -1;
2159 }
2018 2160
2019#ifndef NO_SLOW_LINK_SUPPORT 2161#ifndef NO_SLOW_LINK_SUPPORT
2020 /* 2162 /*
2021 * D: CopyArea pass - very useful for slower links 2163 * D: CopyArea pass - very useful for slower links
2022 * This has been deliberately kept simple. 2164 * This has been deliberately kept simple.
2023 */ 2165 */
2024 i = num_scr; 2166 if (!display->is_local
2025 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2167 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2026 && abs(i) < TermWin.nrow && !must_clear) 2168 && abs (num_scr) < nrow && !have_bg)
2027 { 2169 {
2028 int16_t nits; 2170 int16_t nits;
2029 int j; 2171 int i = num_scr;
2030 rend_t *drp2; 2172 int j;
2031 text_t *dtp2; 2173 int len, wlen;
2032 int len, wlen;
2033 2174
2034 j = TermWin.nrow; 2175 j = nrow;
2035 wlen = len = -1; 2176 wlen = len = -1;
2036 row = i > 0 ? 0 : j - 1; 2177 row = i > 0 ? 0 : j - 1;
2178
2037 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2179 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2038 { 2180 {
2039 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2181 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2040 { 2182 {
2041 stp = screen.text[row + row_offset]; 2183 line_t s = ROW(view_start + row);
2042 srp = screen.rend[row + row_offset];
2043 dtp = drawn_text[row]; 2184 line_t d = drawn_buf[row];
2044 dtp2 = drawn_text[row + i]; 2185 line_t d2 = drawn_buf[row + i];
2045 drp = drawn_rend[row];
2046 drp2 = drawn_rend[row + i];
2047 2186
2048 for (nits = 0, col = TermWin.ncol; col--; ) 2187 for (nits = 0, col = ncol; col--; )
2049 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2188 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2050 nits--; 2189 nits--;
2051 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])
2052 nits++; 2191 nits++;
2053 2192
2054 if (nits > 8) /* XXX: arbitrary choice */ 2193 if (nits > 8) /* XXX: arbitrary choice */
2194 {
2195 for (col = ncol; col--; )
2196 {
2197 *d.t++ = *d2.t++;
2198 *d.r++ = *d2.r++;
2199 }
2200
2201 if (len == -1)
2202 len = row;
2203
2204 wlen = row;
2205 continue;
2206 }
2207 }
2208
2209 if (len >= 0)
2210 {
2211 /* also comes here at end if needed because of >= above */
2212 if (wlen < len)
2213 ::swap (wlen, len);
2214
2215 XGCValues gcv;
2216
2217 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2218 XCopyArea (dpy, vt, vt,
2219 gc, 0, Row2Pixel (len + i),
2220 (unsigned int)this->width,
2221 (unsigned int)Height2Pixel (wlen - len + 1),
2222 0, Row2Pixel (len));
2223 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2224
2225 len = -1;
2226 }
2227 }
2228 }
2229#endif
2230
2231 /*
2232 * E: main pass across every character
2233 */
2234 for (row = 0; row < nrow; row++)
2235 {
2236 text_t *stp = ROW(view_start + row).t;
2237 rend_t *srp = ROW(view_start + row).r;
2238 text_t *dtp = drawn_buf[row].t;
2239 rend_t *drp = drawn_buf[row].r;
2240
2241 /*
2242 * E2: OK, now the real pass
2243 */
2244 int ypixel = (int)Row2Pixel (row);
2245
2246 for (col = 0; col < ncol; col++)
2247 {
2248 /* compare new text with old - if exactly the same then continue */
2249 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2250 continue;
2251
2252 // redraw one or more characters
2253
2254 // seek to the beginning of wide characters
2255 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2256 --col;
2257
2258 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2259 text_t *text = stp + col;
2260 int count = 1;
2261
2262 dtp[col] = stp[col];
2263 drp[col] = rend;
2264
2265 int xpixel = Col2Pixel (col);
2266
2267 for (i = 0; ++col < ncol; )
2268 {
2269 if (stp[col] == NOCHAR)
2270 {
2271 dtp[col] = stp[col];
2272 drp[col] = srp[col];
2273
2274 count++;
2275 i++;
2276
2277 continue;
2278 }
2279
2280 if (!RS_SAME (rend, srp[col]))
2281 break;
2282
2283 count++;
2284
2285 if (stp[col] != dtp[col]
2286 || !RS_SAME (srp[col], drp[col]))
2287 {
2288 if (have_bg && (i++ > count / 2))
2289 break;
2290
2291 dtp[col] = stp[col];
2292 drp[col] = rend;
2293 i = 0;
2294 }
2295 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2296 break;
2297 }
2298
2299 col--; /* went one too far. move back */
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--;
2305
2306 /*
2307 * Determine the attributes for the string
2308 */
2309 int fore = fgcolor_of (rend); // desired foreground
2310 int back = bgcolor_of (rend); // desired background
2311
2312 // only do special processing if any attributes are set, which is unlikely
2313 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2314 {
2315 bool invert = rend & RS_RVid;
2316
2317#ifndef NO_BOLD_UNDERLINE_REVERSE
2318 if (rend & RS_Bold && fore == Color_fg)
2319 {
2320 if (ISSET_PIXCOLOR (Color_BD))
2321 fore = Color_BD;
2322# if !ENABLE_STYLES
2323 else
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
2405 }
2406
2407 /*
2408 * Actually do the drawing of the string here
2409 */
2410 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2411
2412 if (ecb_likely (have_bg && back == Color_bg))
2413 {
2414 // this is very ugly, maybe push it into ->draw?
2415
2416 for (i = 0; i < count; i++) /* don't draw empty strings */
2417 if (text[i] != ' ')
2055 { 2418 {
2056 for (col = TermWin.ncol; col--; ) 2419 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2057 { 2420 goto did_clear;
2058 *dtp++ = *dtp2++;
2059 *drp++ = *drp2++;
2060 }
2061
2062 if (len == -1)
2063 len = row;
2064
2065 wlen = row;
2066 continue;
2067 } 2421 }
2422
2423 CLEAR_CHARS (xpixel, ypixel, count);
2424 did_clear: ;
2068 } 2425 }
2426 else
2427 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2069 2428
2070 if (len != -1) 2429 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2071 { 2430 {
2072 /* also comes here at end if needed because of >= above */ 2431 if (showcursor && focus && row == screen.cur.row
2073 if (wlen < len) 2432 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2074 SWAP_IT(wlen, len, int); 2433 XSetForeground (dpy, gc, pix_colors[ccol1]);
2075
2076 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2077 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt,
2078 TermWin.gc, 0, Row2Pixel (len + i),
2079 (unsigned int)TermWin_TotalWidth (),
2080 (unsigned int)Height2Pixel (wlen - len + 1),
2081 0, Row2Pixel (len));
2082 len = -1;
2083 }
2084 }
2085 }
2086#endif
2087
2088 /*
2089 * E: main pass across every character
2090 */
2091 for (row = 0; row < TermWin.nrow; row++)
2092 {
2093 stp = screen.text[row + row_offset];
2094 srp = screen.rend[row + row_offset];
2095 dtp = drawn_text[row];
2096 drp = drawn_rend[row];
2097
2098 /*
2099 * E2: OK, now the real pass
2100 */
2101 int ypixel = (int)Row2Pixel(row);
2102
2103 for (col = 0; col < TermWin.ncol; col++)
2104 {
2105 /* compare new text with old - if exactly the same then continue */
2106 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2107
2108 if (stp[col] == dtp[col] /* Must match characters to skip. */
2109 && (rend == drp[col] /* Either rendition the same or */
2110 || (stp[col] == ' ' /* space w/ no background change */
2111 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2112 continue;
2113
2114 text_t *text = stp + col;
2115 int count = 1;
2116
2117 /* redraw one or more characters */
2118
2119 dtp[col] = stp[col];
2120 drp[col] = rend;
2121
2122 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2123 continue;
2124
2125 int xpixel = Col2Pixel(col);
2126
2127 // this loop looks very messy, it can probably be optimized
2128 // and cleaned a bit by you?
2129 for (i = 0; ++col < TermWin.ncol; )
2130 {
2131 if (stp[col] == NOCHAR)
2132 {
2133 dtp[col] = stp[col];
2134 drp[col] = rend;
2135 count++;
2136
2137 if (i) // only possible skip if char unchanged
2138 i++;
2139
2140 continue;
2141 }
2142
2143 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2144 break;
2145
2146 count++;
2147
2148 if (stp[col] != dtp[col]
2149 || srp[col] != drp[col])
2150 {
2151 if (must_clear && (i++ > (count / 2)))
2152 break;
2153
2154 dtp[col] = stp[col];
2155 drp[col] = rend;
2156 i = 0;
2157 }
2158 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2159 break;
2160 }
2161
2162 col--; /* went one too far. move back */
2163 count -= i; /* dump any matching trailing chars */
2164
2165 /*
2166 * Determine the attributes for the string
2167 */
2168 int fid = GET_FONT(rend);
2169 fore = GET_FGCOLOR(rend);
2170 back = GET_BGCOLOR(rend);
2171 rend = GET_ATTR(rend);
2172
2173 rvid = (rend & RS_RVid) ? 1 : 0;
2174#ifdef OPTION_HC
2175 if (!rvid && (rend & RS_Blink))
2176 {
2177 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_HC))
2178 back = Color_HC;
2179 else 2434 else
2180 rvid = !rvid; /* fall back */ 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,
2443 xpixel, ypixel + font->ascent + 1,
2444 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2181 } 2445 }
2182#endif 2446 } /* for (col....) */
2183 if (rvid) 2447 } /* for (row....) */
2448
2449 /*
2450 * G: cleanup cursor and display outline cursor if necessary
2451 */
2452 if (showcursor)
2453 {
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)
2184 { 2459 {
2185 SWAP_IT(fore, back, int); 2460 XSetForeground (dpy, gc, pix_colors[ccol1]);
2461 if (cursor_type == 1)
2462 XFillRectangle (dpy, vt, gc,
2463 Col2Pixel (cur_col),
2464 Row2Pixel (oldcursor.row + 1) - 2,
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 }
2474 }
2475 else if (oldcursor.row >= 0)
2476 {
2477 XSetForeground (dpy, gc, pix_colors[ccol1]);
2186 2478
2187#ifndef NO_BOLD_UNDERLINE_REVERSE 2479 XDrawRectangle (dpy, vt, gc,
2188 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_RV) 2480 Col2Pixel (cur_col),
2189# ifndef NO_CURSORCOLOR 2481 Row2Pixel (oldcursor.row),
2190 && !ISSET_PIXCOLOR (this, Color_cursor) 2482 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2483 (unsigned int) (Height2Pixel (1) - 1));
2484 }
2485 }
2486
2487 /*
2488 * H: cleanup selection
2489 */
2490#if ENABLE_OVERLAY
2491 scr_swap_overlay ();
2492#endif
2493 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2494
2495 scr_reverse_selection ();
2496
2497 screen.flags = old_screen_flags;
2498 num_scr = 0;
2499 num_scr_allow = 1;
2500}
2501
2502void ecb_cold
2503rxvt_term::scr_remap_chars (line_t &l) noexcept
2504{
2505 if (!l.valid ())
2506 return;
2507
2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2509
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
2515rxvt_term::scr_remap_chars () noexcept
2516{
2517 for (int i = total_rows; i--; )
2518 scr_remap_chars (row_buf [i]);
2519
2520 for (int i = nrow; i--; )
2521 {
2522 scr_remap_chars (drawn_buf [i]);
2523 scr_remap_chars (swap_buf [i]);
2524 }
2525}
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
2191# endif 2544# endif
2192 )
2193 back = Color_RV;
2194#endif
2195 }
2196#ifndef NO_BOLD_UNDERLINE_REVERSE
2197 else if (rend & RS_Bold)
2198 { 2545 {
2199 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_BD)) 2546 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2200 { 2547 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2201 fore = Color_BD; 2548 }
2202# ifndef VERYBOLD 2549 }
2203 rend &= ~RS_Bold; /* we've taken care of it */ 2550 else
2204# endif 2551#endif
2205 }
2206 }
2207 else if (rend & RS_Uline)
2208 {
2209 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_UL))
2210 {
2211 fore = Color_UL;
2212 rend &= ~RS_Uline; /* we've taken care of it */
2213 }
2214 }
2215#endif
2216
2217 /*
2218 * Actually do the drawing of the string here
2219 */
2220 rxvt_font *font = (*TermWin.fontset)[fid];
2221
2222 if (back == Color_bg)
2223 {
2224 if (must_clear)
2225 {
2226 for (i = 0; i < count; i++) /* don't draw empty strings */
2227 if (text[i] != ' ')
2228 {
2229 font->draw (xpixel, ypixel, text, count, fore, -1);
2230 goto nodraw;
2231 }
2232
2233 CLEAR_CHARS (xpixel, ypixel, count);
2234nodraw: ;
2235 }
2236 else
2237 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2238 }
2239 else
2240 font->draw (xpixel, ypixel, text, count, fore, back);
2241
2242 if ((rend & RS_Uline) && (font->descent > 1))
2243 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2244 xpixel, ypixel + font->ascent + 1,
2245 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2246 } /* for (col....) */
2247 } /* for (row....) */
2248
2249 /*
2250 * G: cleanup cursor and display outline cursor if necessary
2251 */
2252 if (showcursor) {
2253 if (TermWin.focus) {
2254 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2255 [screen.cur.col]);
2256 *srp ^= RS_RVid;
2257#ifndef NO_CURSORCOLOR
2258 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2259#endif
2260 } else if (oldcursor.row >= 0) {
2261#ifndef NO_CURSORCOLOR
2262 unsigned long gcmask; /* Graphics Context mask */
2263
2264 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor))
2265 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2266#endif
2267 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2268 Col2Pixel(oldcursor.col),
2269 Row2Pixel(oldcursor.row),
2270 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2271 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2272 }
2273 } 2552 {
2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2554 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2555 }
2274 2556
2275 /* 2557 XClearWindow (dpy, parent);
2276 * H: cleanup selection
2277 */
2278 rxvt_scr_reverse_selection (this);
2279 2558
2280 /* 2559 if (scrollBar.state && scrollBar.win)
2281 * I: other general cleanup 2560 {
2282 */ 2561 if (transparent)
2283 if (clearfirst && TermWin.int_bwidth) 2562 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2284 /* 2563 else
2285 * clear the whole screen height, note that width == 0 is treated 2564 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2286 * specially by XClearArea 2565 scrollBar.state = SB_STATE_IDLE;
2287 */ 2566 scrollBar.show (0);
2288 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2567 }
2289 (unsigned int)TermWin.int_bwidth,
2290 (unsigned int)TermWin_TotalHeight(), False);
2291 if (clearlast && TermWin.int_bwidth)
2292 /*
2293 * clear the whole screen height, note that width == 0 is treated
2294 * specially by XClearArea
2295 */
2296 XClearArea(Xdisplay, TermWin.vt,
2297 TermWin.width + TermWin.int_bwidth, 0,
2298 (unsigned int)TermWin.int_bwidth,
2299 (unsigned int)TermWin_TotalHeight(), False);
2300 if (refresh_type & SMOOTH_REFRESH)
2301 XSync(Xdisplay, False);
2302 2568
2303 num_scr = 0; 2569 if (refresh)
2304 num_scr_allow = 1; 2570 {
2305 want_refresh = 0; /* screen is current */ 2571 scr_clear ();
2572 scr_touch (true);
2573 }
2574 want_refresh = 1;
2306} 2575}
2307 2576
2308/* ------------------------------------------------------------------------- */ 2577/* ------------------------------------------------------------------------- */
2309void 2578void
2310rxvt_term::scr_clear() 2579rxvt_term::scr_clear (bool really) noexcept
2311{ 2580{
2312 if (!TermWin.mapped) 2581 if (!mapped)
2313 return; 2582 return;
2314 2583
2315 num_scr_allow = 0; 2584 num_scr_allow = 0;
2316 want_refresh = 1; 2585 want_refresh = 1;
2317#ifdef TRANSPARENT 2586
2318 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2587 if (really)
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;
2319 { 2610 }
2320 int i; 2611}
2321 2612
2322 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 {
2323 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);
2324 else 2652 else
2325 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2326
2327 while (i--)
2328 if (TermWin.parent[i] != None)
2329 XClearWindow(Xdisplay, TermWin.parent[i]);
2330 }
2331#endif 2653#endif
2332 2654 scr_xor_span (selection.beg.row, selection.beg.col,
2333 XClearWindow (Xdisplay, TermWin.vt); 2655 selection.end.row, selection.end.col,
2334} 2656 RS_Sel | RS_RVid);
2335
2336/* ------------------------------------------------------------------------- */
2337/* INTPROTO */
2338void
2339rxvt_scr_reverse_selection(pR)
2340{
2341 int i, col, row, end_row;
2342 rend_t *srp;
2343
2344 if (R->selection.op && R->current_screen == R->selection.screen) {
2345 end_row = R->TermWin.saveLines - R->TermWin.view_start;
2346 i = R->selection.beg.row + R->TermWin.saveLines;
2347 row = R->selection.end.row + R->TermWin.saveLines;
2348 if (i >= end_row)
2349 col = R->selection.beg.col;
2350 else {
2351 col = 0;
2352 i = end_row;
2353 }
2354 end_row += R->TermWin.nrow;
2355 for (; i < row && i < end_row; i++, col = 0)
2356 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2357#ifndef OPTION_HC
2358 srp[col] ^= RS_RVid;
2359#else
2360 srp[col] ^= RS_Blink;
2361#endif
2362 if (i == row && i < end_row)
2363 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++)
2364#ifndef OPTION_HC
2365 srp[col] ^= RS_RVid;
2366#else
2367 srp[col] ^= RS_Blink;
2368#endif
2369 } 2657 }
2370} 2658}
2371 2659
2372/* ------------------------------------------------------------------------- */ 2660/* ------------------------------------------------------------------------- */
2373/* 2661/*
2374 * Dump the whole scrollback and screen to the passed filedescriptor. The 2662 * Dump the whole scrollback and screen to the passed filedescriptor. The
2375 * invoking routine must close the fd. 2663 * invoking routine must close the fd.
2376 */ 2664 */
2377#if 0 2665#if 0
2378/* EXTPROTO */
2379void 2666void
2380rxvt_scr_dump(pR_ int fd) 2667rxvt_term::scr_dump (int fd) noexcept
2381{ 2668{
2382 int row, wrote; 2669 // if this method is needed, it can be implemented by factoring the
2383 unsigned int width, towrite; 2670 // relevant code in scr_printscreen
2384 char r1[] = "\n";
2385
2386 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2387 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2388 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2389 : R->TermWin.ncol;
2390 for (towrite = width; towrite; towrite -= wrote) {
2391 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2392 towrite);
2393 if (wrote < 0)
2394 return; /* XXX: death, no report */
2395 }
2396 if (R->screen.tlen[row] >= 0)
2397 if (write(fd, r1, 1) <= 0)
2398 return; /* XXX: death, no report */
2399 }
2400} 2671}
2401#endif 2672#endif
2402 2673
2403/* ------------------------------------------------------------------------- * 2674/* ------------------------------------------------------------------------- *
2404 * CHARACTER SELECTION * 2675 * CHARACTER SELECTION *
2405 * ------------------------------------------------------------------------- */ 2676 * ------------------------------------------------------------------------- */
2406
2407/*
2408 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2409 */
2410/* EXTPROTO */
2411void 2677void
2412rxvt_selection_check(pR_ int check_more) 2678rxvt_term::selection_check (int check_more) noexcept
2413{ 2679{
2414 row_col_t pos;
2415
2416 if (!R->selection.op) 2680 if (!selection.op)
2417 return; 2681 return;
2418 2682
2419 pos.row = pos.col = 0; 2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2420 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2684 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2421 || (R->selection.beg.row >= R->TermWin.nrow) 2685 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2422 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2423 || (R->selection.mark.row >= R->TermWin.nrow)
2424 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2425 || (R->selection.end.row >= R->TermWin.nrow)
2426 || (check_more == 1 2686 || (check_more == 1
2427 && R->current_screen == R->selection.screen 2687 && current_screen == selection.screen
2428 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2688 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2429 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2689 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2430 || (check_more == 2
2431 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2432 && ROWCOL_IS_AFTER(R->selection.end, pos))
2433 || (check_more == 3
2434 && ROWCOL_IS_AFTER(R->selection.end, pos))
2435 || (check_more == 4 /* screen width change */
2436 && (R->selection.beg.row != R->selection.end.row
2437 || R->selection.end.col > R->TermWin.ncol)))
2438 CLEAR_SELECTION(R); 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;
2439} 2705}
2440 2706
2441/* ------------------------------------------------------------------------- */ 2707/* ------------------------------------------------------------------------- */
2442/* 2708/*
2443 * Paste a selection direct to the command fd 2709 * Paste a selection direct to the command fd
2444 */ 2710 */
2445void 2711void
2446rxvt_term::paste (const unsigned char *data, unsigned int len) 2712rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2447{ 2713{
2448 unsigned int i, j, n;
2449 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2450
2451#if 0
2452 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2453 ZERO_SCROLLBACK (r);
2454#endif
2455
2456 /* convert normal newline chars into common keyboard Return key sequence */ 2714 /* convert normal newline chars into common keyboard Return key sequence */
2457 for (i = 0; i < len; i += PROP_SIZE) 2715 for (unsigned int i = 0; i < len; i++)
2458 { 2716 if (data[i] == C0_LF)
2459 n = min (len - i, PROP_SIZE); 2717 data[i] = C0_CR;
2460 MEMCPY (ds, data + i, n);
2461 2718
2462 for (j = 0; j < n; j++) 2719 if (priv_modes & PrivMode_BracketPaste)
2463 if (ds[j] == '\n') 2720 tt_printf ("\x1b[200~");
2464 ds[j] = '\r';
2465 2721
2466 tt_write (ds, (int)n); 2722 tt_write (data, len);
2467 }
2468 2723
2469 free(ds); 2724 if (priv_modes & PrivMode_BracketPaste)
2725 tt_printf ("\x1b[201~");
2470} 2726}
2471 2727
2472/* ------------------------------------------------------------------------- */ 2728void
2473/* 2729rxvt_term::paste (char *data, unsigned int len) noexcept
2474 * Respond to a notification that a primary selection has been sent
2475 * EXT: SelectionNotify
2476 */
2477/* EXTPROTO */
2478int
2479rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2480{ 2730{
2481 long nread = 0; 2731 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2482 unsigned long bytes_after;
2483 XTextProperty ct;
2484 int dummy_count;
2485 char **cl;
2486
2487 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait));
2488
2489 if (prop == None) /* check for failed XConvertSelection */
2490 {
2491 if ((R->selection_type & Sel_CompoundText))
2492 {
2493 int selnum = R->selection_type & Sel_whereMask;
2494
2495 R->selection_type = 0;
2496 if (selnum != Sel_direct)
2497 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2498 }
2499
2500 return 0; 2732 return;
2501 }
2502 2733
2503 for (;;) 2734 tt_paste (data, len);
2504 {
2505 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2506 (long)(PROP_SIZE / 4), delete_prop,
2507 AnyPropertyType, &ct.encoding, &ct.format,
2508 &ct.nitems, &bytes_after,
2509 &ct.value) != Success)
2510 break;
2511
2512 if (ct.encoding == 0)
2513 {
2514 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2515 break;
2516 }
2517
2518 if (ct.value == NULL)
2519 {
2520 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2521 continue;
2522 }
2523
2524 if (ct.nitems == 0)
2525 {
2526 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2527 if (R->selection_wait == Sel_normal && nread == 0)
2528 {
2529 /*
2530 * pass through again trying CUT_BUFFER0 if we've come from
2531 * XConvertSelection() but nothing was presented
2532 */
2533 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2534 rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False);
2535 }
2536
2537 nread = -1; /* discount any previous stuff */
2538 break;
2539 }
2540
2541 nread += ct.nitems;
2542 if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl,
2543 &dummy_count) == Success && cl)
2544 {
2545 R->paste ((unsigned char *)cl[0], STRLEN (cl[0]));
2546 XFreeStringList (cl);
2547 }
2548 else
2549 R->paste (ct.value, ct.nitems);
2550
2551 if (bytes_after == 0)
2552 break;
2553
2554 XFree (ct.value);
2555 }
2556
2557 if (ct.value)
2558 XFree (ct.value);
2559
2560 if (R->selection_wait == Sel_normal)
2561 R->selection_wait = Sel_none;
2562
2563 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2564 return (int)nread;
2565} 2735}
2566 2736
2567void
2568rxvt_term::incr_cb (time_watcher &w)
2569{
2570 w.stop ();
2571 selection_wait = Sel_none;
2572
2573 rxvt_print_error("data loss: timeout on INCR selection paste");
2574}
2575
2576/*
2577 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2578 */
2579/* EXTPROTO */
2580void
2581rxvt_selection_property(pR_ Window win, Atom prop)
2582{
2583 int reget_time = 0;
2584
2585 if (prop == None)
2586 return;
2587 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2588 if (R->selection_wait == Sel_normal) {
2589 int a, afmt;
2590 Atom atype;
2591 unsigned long bytes_after, nitems;
2592 unsigned char *s = NULL;
2593
2594 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False,
2595 R->xa[XA_INCR], &atype, &afmt, &nitems,
2596 &bytes_after, &s);
2597 if (s)
2598 XFree(s);
2599 if (a != Success)
2600 return;
2601#ifndef __CYGWIN32__
2602 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2603 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2604 XDeleteProperty(R->Xdisplay, win, prop);
2605 XFlush(R->Xdisplay);
2606 reget_time = 1;
2607 R->selection_wait = Sel_incr;
2608 }
2609#endif
2610 } else if (R->selection_wait == Sel_incr) {
2611 reget_time = 1;
2612 if (rxvt_selection_paste(aR_ win, prop, True) == -1) {
2613 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2614 R->selection_wait = Sel_none;
2615 R->incr_ev.stop ();
2616 }
2617 }
2618 if (reget_time) /* received more data so reget time */
2619 R->incr_ev.start (NOW + 10);
2620}
2621/* ------------------------------------------------------------------------- */ 2737/* ------------------------------------------------------------------------- */
2622/* 2738/*
2623 * Request the current selection: 2739 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2624 * Order: > internal selection if available 2740 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2625 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2741 * as fallback
2626 * > CUT_BUFFER0
2627 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2628 * will auto fallback to CUT_BUFFER0
2629 * EXT: button 2 release 2742 * EXT: button 2 release
2630 */ 2743 */
2631/* EXTPROTO */
2632void 2744void
2633rxvt_selection_request(pR_ Time tm, int x, int y) 2745rxvt_term::selection_request (Time tm, int selnum) noexcept
2634{ 2746{
2635 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2747 if (!selection_req)
2636 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2637 return; /* outside window */
2638
2639 if (R->selection.text != NULL) { /* internal selection */
2640 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2641 R->paste (R->selection.text, R->selection.len);
2642 return;
2643 } else {
2644 int i;
2645
2646 R->selection_request_time = tm;
2647 R->selection_wait = Sel_normal;
2648 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2649 R->selection_type = Sel_CompoundText;
2650 if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i))
2651 return;
2652 }
2653 } 2748 {
2654 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2749 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2655 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2750 selection_req->run ();
2656 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2657}
2658
2659/* INTPROTO */
2660int
2661rxvt_selection_request_other(pR_ Atom target, int selnum)
2662{
2663 Atom sel;
2664#ifdef DEBUG_SELECT
2665 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2666#endif
2667
2668 R->selection_type |= selnum;
2669 if (selnum == Sel_Primary)
2670 sel = XA_PRIMARY;
2671 else if (selnum == Sel_Secondary)
2672 sel = XA_SECONDARY;
2673 else
2674 sel = R->xa[XA_CLIPBOARD];
2675 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2676 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2677 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2678 R->TermWin.vt, R->selection_request_time);
2679 return 1;
2680 } 2751 }
2681 return 0;
2682} 2752}
2683 2753
2684/* ------------------------------------------------------------------------- */ 2754/* ------------------------------------------------------------------------- */
2685/* 2755/*
2686 * Clear all selected text 2756 * Clear all selected text
2687 * EXT: SelectionClear 2757 * EXT: SelectionClear
2688 */ 2758 */
2689/* EXTPROTO */
2690void 2759void
2691rxvt_selection_clear(pR) 2760rxvt_term::selection_clear (bool clipboard) noexcept
2692{ 2761{
2693 D_SELECT((stderr, "rxvt_selection_clear()")); 2762 if (!clipboard)
2694 2763 {
2695 R->want_refresh = 1; 2764 want_refresh = 1;
2696 if (R->selection.text)
2697 free(R->selection.text); 2765 free (selection.text);
2698 R->selection.text = NULL; 2766 selection.text = NULL;
2699 R->selection.len = 0; 2767 selection.len = 0;
2700 CLEAR_SELECTION(R); 2768 CLEAR_SELECTION ();
2769
2770 if (display->selection_owner == this)
2771 display->selection_owner = 0;
2772 }
2773 else
2774 {
2775 free (selection.clip_text);
2776 selection.clip_text = NULL;
2777 selection.clip_len = 0;
2778
2779 if (display->clipboard_owner == this)
2780 display->clipboard_owner = 0;
2781 }
2701} 2782}
2702 2783
2703/* ------------------------------------------------------------------------- */ 2784/* ------------------------------------------------------------------------- */
2704/* 2785/*
2705 * Copy a selection into the cut buffer 2786 * Copy a selection into the cut buffer
2706 * EXT: button 1 or 3 release 2787 * EXT: button 1 or 3 release
2707 */ 2788 */
2708/* EXTPROTO */
2709void 2789void
2710rxvt_selection_make(pR_ Time tm) 2790rxvt_term::selection_make (Time tm)
2711{ 2791{
2712 int i, col, end_col, row, end_row; 2792 int size;
2713 unsigned char *new_selection_text; 2793 wchar_t *new_selection_text;
2714 char *str; 2794 text_t *t;
2715 text_t *t;
2716#ifdef ACS_ASCII
2717 rend_t *re;
2718#endif
2719 2795
2720 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2721 switch (R->selection.op) { 2796 switch (selection.op)
2797 {
2722 case SELECTION_CONT: 2798 case SELECTION_CONT:
2723 break; 2799 break;
2724 case SELECTION_INIT: 2800 case SELECTION_INIT:
2725 CLEAR_SELECTION(R); 2801 CLEAR_SELECTION ();
2726 /* FALLTHROUGH */ 2802 /* FALLTHROUGH */
2727 case SELECTION_BEGIN: 2803 case SELECTION_BEGIN:
2728 R->selection.op = SELECTION_DONE; 2804 selection.op = SELECTION_DONE;
2729 /* FALLTHROUGH */ 2805 /* FALLTHROUGH */
2730 default: 2806 default:
2731 return; 2807 return;
2732 } 2808 }
2809
2733 R->selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2734 2811
2735 if (R->selection.clicks == 4) 2812 if (selection.clicks == 4)
2736 return; /* nothing selected, go away */ 2813 return; /* nothing selected, go away */
2737 2814
2815 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2816 return;
2817
2738 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2818 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2739 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2819 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2740 2820
2741 new_selection_text = (unsigned char *)str; 2821 int ofs = 0;
2822 int extra = 0;
2742 2823
2743 col = R->selection.beg.col; 2824 int col = selection.beg.col;
2744 MAX_IT(col, 0); 2825 int row = selection.beg.row;
2745 row = R->selection.beg.row + R->TermWin.saveLines;
2746 end_row = R->selection.end.row + R->TermWin.saveLines;
2747 2826
2827 int end_col;
2828
2748 for (; row <= end_row; row++, col = 0) 2829 for (; row <= selection.end.row; row++, col = 0)
2830 {
2831#if !ENABLE_MINIMAL
2832 if (selection.rect)
2749 { 2833 {
2750 t = &(R->screen.text[row][col]); 2834 col = selection.beg.col;
2751
2752 end_col = R->screen.tlen[row];
2753
2754 if (end_col == -1)
2755 end_col = R->TermWin.ncol; 2835 end_col = selection.end.col;
2836 }
2837 else
2838#endif
2839 end_col = ROW(row).l;
2756 2840
2841 col = max (col, 0);
2842
2757 if (row == end_row) 2843 if (row == selection.end.row)
2758 MIN_IT (end_col, R->selection.end.col); 2844 min_it (end_col, selection.end.col);
2759 2845
2846 t = ROW(row).t + col;
2847
2760 for (; col < end_col; col++) 2848 for (; col < end_col; col++)
2849 {
2761 if (*t == NOCHAR) 2850 if (*t == NOCHAR)
2762 t++; 2851 t++;
2852#if ENABLE_COMBINING
2853 else if (IS_COMPOSE (*t))
2854 {
2855 int len = rxvt_composite.expand (*t);
2856
2857 extra -= (len - 1);
2858
2859 if (extra < 0)
2860 {
2861 extra += size;
2862 size += size;
2863 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2864 }
2865
2866 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2867 }
2868#endif
2763 else 2869 else
2764 { 2870 new_selection_text[ofs++] = *t++;
2765 int len = wctomb (str, *t++);
2766 if (len > 0)
2767 str += len;
2768 }
2769
2770 if (R->screen.tlen[row] != -1 && row != end_row)
2771 *str++ = '\n';
2772 } 2871 }
2773 2872
2774#ifndef NO_OLD_SELECTION 2873#if !ENABLE_MINIMAL
2775 if (R->selection_style == OLD_SELECT) 2874 if (selection.rect)
2776 if (end_col == R->TermWin.ncol)
2777 *str++ = '\n';
2778#endif
2779#ifndef NO_NEW_SELECTION
2780 if (R->selection_style != OLD_SELECT)
2781 if (end_col != R->selection.end.col)
2782 *str++ = '\n';
2783#endif
2784 *str = '\0';
2785
2786 i = str - (char *)new_selection_text;
2787 if (i == 0)
2788 { 2875 {
2876 while (ofs
2877 && new_selection_text[ofs - 1] != C0_LF
2878 && unicode::is_space (new_selection_text[ofs - 1]))
2879 --ofs;
2880
2881 new_selection_text[ofs++] = C0_LF;
2882 }
2883 else
2884#endif
2885 if (!ROW(row).is_longer ()
2886 && (row != selection.end.row || end_col != selection.end.col)
2887 && (row != selection.beg.row || selection.beg.col < ncol))
2888 new_selection_text[ofs++] = C0_LF;
2889 }
2890
2891 new_selection_text[ofs] = 0;
2892
2893 if (ofs == 0)
2894 {
2789 free (new_selection_text); 2895 free (new_selection_text);
2790 return; 2896 return;
2791 } 2897 }
2792 2898
2793 // due to MB_MAX_CUR, selection wastage is usually high
2794 if (str - (char *)new_selection_text > 1024)
2795 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2796
2797 R->selection.len = i;
2798 if (R->selection.text)
2799 free (R->selection.text); 2899 free (selection.text);
2800 2900
2801 R->selection.text = new_selection_text; 2901 // we usually allocate much more than necessary, so realloc it smaller again
2902 selection.len = ofs;
2903 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2802 2904
2803 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2905 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2804 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2906 return;
2805 rxvt_print_error("can't get primary selection"); 2907
2806 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2908 selection_grab (tm);
2807 PropModeReplace, R->selection.text, (int)R->selection.len); 2909}
2910
2911bool
2912rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2913{
2914 Atom sel;
2915
2916 if (!clipboard)
2917 {
2808 R->selection_time = tm; 2918 selection_time = tm;
2809 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2919 sel = XA_PRIMARY;
2920 }
2921 else
2922 {
2923 clipboard_time = tm;
2924 sel = xa[XA_CLIPBOARD];
2925 }
2926
2927 XSetSelectionOwner (dpy, sel, vt, tm);
2928 if (XGetSelectionOwner (dpy, sel) == vt)
2929 {
2930 display->set_selection_owner (this, clipboard);
2931 return true;
2932 }
2933 else
2934 {
2935 selection_clear (clipboard);
2936 return false;
2937 }
2938
2939#if 0
2940 XTextProperty ct;
2941
2942 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2943 {
2944 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2945 XFree (ct.value);
2946 }
2947#endif
2810} 2948}
2811 2949
2812/* ------------------------------------------------------------------------- */ 2950/* ------------------------------------------------------------------------- */
2813/* 2951/*
2814 * Mark or select text based upon number of clicks: 1, 2, or 3 2952 * Mark or select text based upon number of clicks: 1, 2, or 3
2815 * EXT: button 1 press 2953 * EXT: button 1 press
2816 */ 2954 */
2817void 2955void ecb_cold
2818rxvt_term::selection_click (int clicks, int x, int y) 2956rxvt_term::selection_click (int clicks, int x, int y) noexcept
2819{ 2957{
2820 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2821
2822 clicks = ((clicks - 1) % 3) + 1; 2958 clicks = ((clicks - 1) % 3) + 1;
2823 selection.clicks = clicks; /* save clicks so extend will work */ 2959 selection.clicks = clicks; /* save clicks so extend will work */
2824 2960
2961 if (clicks == 2 && !selection.rect
2962 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2963 {
2964 MEvent.clicks = 1; // what a mess
2965 selection.screen = current_screen;
2966 selection.op = SELECTION_CONT;
2967 return;
2968 }
2969
2825 rxvt_selection_start_colrow (this, Pixel2Col(x), Pixel2Row(y)); 2970 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2826 2971
2827 if (clicks == 2 || clicks == 3) 2972 if (clicks == 2 || clicks == 3)
2828 rxvt_selection_extend_colrow (this, selection.mark.col, 2973 selection_extend_colrow (selection.mark.col,
2829 selection.mark.row + TermWin.view_start, 2974 selection.mark.row - view_start,
2830 0, /* button 3 */ 2975 0, /* button 3 */
2831 1, /* button press */ 2976 1, /* button press */
2832 0); /* click change */ 2977 0); /* click change */
2833} 2978}
2834 2979
2835/* ------------------------------------------------------------------------- */ 2980/* ------------------------------------------------------------------------- */
2836/* 2981/*
2837 * Mark a selection at the specified col/row 2982 * Mark a selection at the specified col/row
2838 */ 2983 */
2839/* INTPROTO */ 2984void ecb_cold
2840void
2841rxvt_selection_start_colrow(pR_ int col, int row) 2985rxvt_term::selection_start_colrow (int col, int row) noexcept
2842{ 2986{
2843 R->want_refresh = 1; 2987 want_refresh = 1;
2988
2989 selection.mark.row = row + view_start;
2844 R->selection.mark.col = col; 2990 selection.mark.col = col;
2845 R->selection.mark.row = row - R->TermWin.view_start; 2991
2846 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2992 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2847 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 2993 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2994
2995 while (selection.mark.col > 0
2996 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2848 MAX_IT(R->selection.mark.col, 0); 2997 --selection.mark.col;
2849 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2850 2998
2851 if (R->selection.op) { /* clear the old selection */ 2999 if (selection.op)
3000 {
3001 /* clear the old selection */
2852 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3002 selection.beg.row = selection.end.row = selection.mark.row;
2853 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3003 selection.beg.col = selection.end.col = selection.mark.col;
2854 } 3004 }
3005
2855 R->selection.op = SELECTION_INIT; 3006 selection.op = SELECTION_INIT;
2856 R->selection.screen = R->current_screen; 3007 selection.screen = current_screen;
2857} 3008}
2858 3009
2859/* ------------------------------------------------------------------------- */ 3010/* ------------------------------------------------------------------------- */
2860/* 3011/*
2861 * Word select: select text for 2 clicks 3012 * Word select: select text for 2 clicks
2862 * We now only find out the boundary in one direction 3013 * We now only find out the boundary in one direction
2863 */ 3014 */
2864 3015
2865/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3016/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2866#define DELIMIT_TEXT(x) \ 3017#define DELIMIT_TEXT(x) \
2867 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3018 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2868#define DELIMIT_REND(x) 1 3019#define DELIMIT_REND(x) 1
2869 3020
2870/* INTPROTO */ 3021void ecb_cold
2871void
2872rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3022rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2873{ 3023{
2874 int col, row, dirnadd, tcol, trow, w1, w2; 3024 int col, row, dirnadd, tcol, trow, w1, w2;
2875 row_col_t bound; 3025 row_col_t bound;
2876 text_t *stp; 3026 text_t *stp;
2877 rend_t *srp; 3027 rend_t *srp;
2878 3028
2879 if (dirn == UP) { 3029 if (dirn == UP)
2880 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3030 {
3031 bound.row = top_row - 1;
2881 bound.col = 0; 3032 bound.col = 0;
2882 dirnadd = -1; 3033 dirnadd = -1;
2883 } else { 3034 }
2884 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3035 else
3036 {
3037 bound.row = nrow;
2885 bound.col = R->TermWin.ncol - 1; 3038 bound.col = ncol - 1;
2886 dirnadd = 1; 3039 dirnadd = 1;
2887 } 3040 }
2888 row = mark->row + R->TermWin.saveLines; 3041
3042 row = mark->row;
2889 col = mark->col; 3043 col = max (mark->col, 0);
2890 MAX_IT(col, 0); 3044
2891/* find the edge of a word */ 3045 /* find the edge of a word */
2892 stp = &(R->screen.text[row][col]); 3046 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2893 w1 = DELIMIT_TEXT(*stp); 3047 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2894 3048
2895 if (R->selection_style != NEW_SELECT) { 3049 for (;;)
2896 if (w1 == 1) { 3050 {
3051 for (; col != bound.col; col += dirnadd)
3052 {
2897 stp += dirnadd; 3053 stp += dirnadd;
2898 if (DELIMIT_TEXT(*stp) == 1)
2899 goto Old_Word_Selection_You_Die;
2900 col += dirnadd;
2901 }
2902 w1 = 0;
2903 }
2904 srp = (&R->screen.rend[row][col]);
2905 w2 = DELIMIT_REND(*srp);
2906
2907 for (;;) {
2908 for (; col != bound.col; col += dirnadd) {
2909 stp += dirnadd; 3054 srp += dirnadd;
3055
3056 if (*stp == NOCHAR)
3057 continue;
3058
2910 if (DELIMIT_TEXT(*stp) != w1) 3059 if (DELIMIT_TEXT (*stp) != w1)
3060 break;
3061 if (DELIMIT_REND (*srp) != w2)
3062 break;
3063 }
3064
3065 if ((col == bound.col) && (row != bound.row))
3066 {
3067 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3068 {
3069 trow = row + dirnadd;
3070 tcol = dirn == UP ? ncol - 1 : 0;
3071
3072 if (!ROW(trow).t)
2911 break; 3073 break;
2912 srp += dirnadd; 3074
2913 if (DELIMIT_REND(*srp) != w2) 3075 stp = ROW(trow).t + tcol;
3076 srp = ROW(trow).r + tcol;
3077
3078 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2914 break; 3079 break;
2915 } 3080
2916 if ((col == bound.col) && (row != bound.row)) {
2917 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2918 trow = row + dirnadd;
2919 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2920 if (R->screen.text[trow] == NULL)
2921 break;
2922 stp = &(R->screen.text[trow][tcol]);
2923 srp = &(R->screen.rend[trow][tcol]);
2924 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2925 break;
2926 row = trow; 3081 row = trow;
2927 col = tcol; 3082 col = tcol;
2928 continue; 3083 continue;
2929 } 3084 }
2930 } 3085 }
2931 break; 3086 break;
2932 } 3087 }
2933 Old_Word_Selection_You_Die:
2934 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 - R->TermWin.saveLines, col));
2935 3088
2936 if (dirn == DN) 3089 if (dirn == DN)
2937 col++; /* put us on one past the end */ 3090 col++; /* put us on one past the end */
2938 3091
2939/* Poke the values back in */ 3092 /* Poke the values back in */
2940 ret->row = row - R->TermWin.saveLines; 3093 ret->row = row;
2941 ret->col = col; 3094 ret->col = col;
2942} 3095}
2943 3096
2944/* ------------------------------------------------------------------------- */ 3097/* ------------------------------------------------------------------------- */
2945/* 3098/*
2946 * Extend the selection to the specified x/y pixel location 3099 * Extend the selection to the specified x/y pixel location
2947 * EXT: button 3 press; button 1 or 3 drag 3100 * EXT: button 3 press; button 1 or 3 drag
2948 * flag == 0 ==> button 1 3101 * flag == 0 ==> button 1
2949 * flag == 1 ==> button 3 press 3102 * flag == 1 ==> button 3 press
2950 * flag == 2 ==> button 3 motion 3103 * flag == 2 ==> button 3 motion
2951 */ 3104 */
2952void 3105void ecb_cold
2953rxvt_term::selection_extend (int x, int y, int flag) 3106rxvt_term::selection_extend (int x, int y, int flag) noexcept
2954{ 3107{
2955 int col, row; 3108 int col = clamp (Pixel2Col (x), 0, ncol);
3109 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2956 3110
2957 col = Pixel2Col(x);
2958 row = Pixel2Row(y);
2959 MAX_IT(row, 0);
2960 MIN_IT(row, (int)TermWin.nrow - 1);
2961 MAX_IT(col, 0);
2962 MIN_IT(col, (int)TermWin.ncol);
2963
2964#ifndef NO_NEW_SELECTION
2965 /* 3111 /*
2966 * If we're selecting characters (single click) then we must check first 3112 * If we're selecting characters (single click) then we must check first
2967 * if we are at the same place as the original mark. If we are then 3113 * if we are at the same place as the original mark. If we are then
2968 * select nothing. Otherwise, if we're to the right of the mark, you have to 3114 * select nothing. Otherwise, if we're to the right of the mark, you have to
2969 * be _past_ a character for it to be selected. 3115 * be _past_ a character for it to be selected.
2970 */ 3116 */
2971 if (selection_style != OLD_SELECT)
2972 {
2973 if (((selection.clicks % 3) == 1) && !flag 3117 if (((selection.clicks % 3) == 1) && !flag
2974 && (col == selection.mark.col 3118 && (col == selection.mark.col
2975 && (row == selection.mark.row + TermWin.view_start))) 3119 && (row == selection.mark.row - view_start)))
2976 { 3120 {
2977 /* select nothing */ 3121 /* select nothing */
2978 selection.beg.row = selection.end.row = 0; 3122 selection.beg.row = selection.end.row = 0;
2979 selection.beg.col = selection.end.col = 0; 3123 selection.beg.col = selection.end.col = 0;
2980 selection.clicks = 4; 3124 selection.clicks = 4;
2981 want_refresh = 1; 3125 want_refresh = 1;
2982 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2983 return; 3126 return;
2984 }
2985 } 3127 }
2986#endif 3128
2987 if (selection.clicks == 4) 3129 if (selection.clicks == 4)
2988 selection.clicks = 1; 3130 selection.clicks = 1;
2989 3131
2990 rxvt_selection_extend_colrow (this, col, row, !!flag, /* ? button 3 */ 3132 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2991 flag == 1 ? 1 : 0, /* ? button press */ 3133 flag == 1 ? 1 : 0, /* ? button press */
2992 0); /* no click change */ 3134 0); /* no click change */
2993} 3135}
2994 3136
2995/* ------------------------------------------------------------------------- */ 3137/* ------------------------------------------------------------------------- */
2996/* 3138/*
2997 * Extend the selection to the specified col/row 3139 * Extend the selection to the specified col/row
2998 */ 3140 */
2999/* INTPROTO */ 3141void ecb_cold
3000void
3001rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3142rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3002{ 3143{
3003 int16_t ncol = R->TermWin.ncol;
3004 int end_col;
3005 row_col_t pos; 3144 row_col_t pos;
3006 enum { 3145 enum {
3007 LEFT, RIGHT 3146 LEFT, RIGHT
3008 } closeto = RIGHT; 3147 } closeto = RIGHT;
3009 3148
3010 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, R->selection.clicks, R->selection.op));
3011 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3012
3013 R->want_refresh = 1;
3014 switch (R->selection.op) { 3149 switch (selection.op)
3150 {
3015 case SELECTION_INIT: 3151 case SELECTION_INIT:
3016 CLEAR_SELECTION(R); 3152 CLEAR_SELECTION ();
3017 R->selection.op = SELECTION_BEGIN; 3153 selection.op = SELECTION_BEGIN;
3018 /* FALLTHROUGH */ 3154 /* FALLTHROUGH */
3019 case SELECTION_BEGIN: 3155 case SELECTION_BEGIN:
3020 if (row != R->selection.mark.row || col != R->selection.mark.col 3156 if (row != selection.mark.row || col != selection.mark.col
3021 || (!button3 && buttonpress)) 3157 || (!button3 && buttonpress))
3022 R->selection.op = SELECTION_CONT; 3158 selection.op = SELECTION_CONT;
3023 break; 3159 break;
3024 case SELECTION_DONE: 3160 case SELECTION_DONE:
3025 R->selection.op = SELECTION_CONT; 3161 selection.op = SELECTION_CONT;
3026 /* FALLTHROUGH */ 3162 /* FALLTHROUGH */
3027 case SELECTION_CONT: 3163 case SELECTION_CONT:
3028 break; 3164 break;
3029 case SELECTION_CLEAR: 3165 case SELECTION_CLEAR:
3030 rxvt_selection_start_colrow(aR_ col, row); 3166 selection_start_colrow (col, row);
3031 /* FALLTHROUGH */ 3167 /* FALLTHROUGH */
3032 default: 3168 default:
3033 return; 3169 return;
3034 } 3170 }
3171
3035 if (R->selection.beg.col == R->selection.end.col 3172 if (selection.beg.col == selection.end.col
3036 && R->selection.beg.col != R->selection.mark.col 3173 && selection.beg.col != selection.mark.col
3037 && R->selection.beg.row == R->selection.end.row 3174 && selection.beg.row == selection.end.row
3038 && R->selection.beg.row != R->selection.mark.row) { 3175 && selection.beg.row != selection.mark.row)
3176 {
3039 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3177 selection.beg.col = selection.end.col = selection.mark.col;
3040 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3178 selection.beg.row = selection.end.row = selection.mark.row;
3041 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3042 } 3179 }
3043 3180
3044 pos.col = col; 3181 pos.col = col;
3045 pos.row = row; 3182 pos.row = view_start + row;
3046 3183
3047 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3184 /*
3048 3185 * This is mainly xterm style selection with a couple of differences, mainly
3049#ifndef NO_OLD_SELECTION 3186 * in the way button3 drag extension works.
3050/* 3187 * We're either doing: button1 drag; button3 press; or button3 drag
3051 * This mimics some of the selection behaviour of version 2.20 and before. 3188 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3052 * There are no ``selection modes'', button3 is always character extension. 3189 * is always at the left/right edge of the selection.
3053 * Note: button3 drag is always available, c.f. v2.20 3190 * b) button3 press: extend/contract character/word/line at whichever edge of
3054 * Selection always terminates (left or right as appropriate) at the mark. 3191 * the selection we are closest to.
3192 * c) button3 drag : extend/contract character/word/line - we select around
3193 * a point/word/line which is either the start or end of the selection
3194 * and it was decided by whichever point/word/line was `fixed' at the
3195 * time of the most recent button3 press
3055 */ 3196 */
3056 if (R->selection_style == OLD_SELECT) { 3197 if (button3 && buttonpress)
3057 if (R->selection.clicks == 1 || button3) { 3198 {
3058 if (R->hate_those_clicks) { 3199 /* button3 press */
3059 R->hate_those_clicks = 0; 3200 /*
3060 if (R->selection.clicks == 1) { 3201 * first determine which edge of the selection we are closest to
3061 R->selection.beg.row = R->selection.mark.row; 3202 */
3062 R->selection.beg.col = R->selection.mark.col; 3203 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3063 } else { 3204 || (!ROWCOL_IS_AFTER (pos, selection.end)
3205 && (((pos.col - selection.beg.col)
3206 + ((pos.row - selection.beg.row) * ncol))
3207 < ((selection.end.col - pos.col)
3208 + ((selection.end.row - pos.row) * ncol)))))
3209 closeto = LEFT;
3210
3211 if (closeto == LEFT)
3212 {
3213 selection.beg.row = pos.row;
3214 selection.beg.col = pos.col;
3215 selection.mark.row = selection.end.row;
3216 selection.mark.col = selection.end.col - (selection.clicks == 2);
3217 }
3218 else
3219 {
3220 selection.end.row = pos.row;
3221 selection.end.col = pos.col;
3064 R->selection.mark.row = R->selection.beg.row; 3222 selection.mark.row = selection.beg.row;
3065 R->selection.mark.col = R->selection.beg.col; 3223 selection.mark.col = selection.beg.col;
3224 }
3225 }
3226 else
3227 {
3228 /* button1 drag or button3 drag */
3229 if (ROWCOL_IS_AFTER (selection.mark, pos))
3230 {
3231 if (selection.mark.row == selection.end.row
3232 && selection.mark.col == selection.end.col
3233 && clickchange
3234 && selection.clicks == 2)
3235 selection.mark.col--;
3236
3237 selection.beg.row = pos.row;
3238 selection.beg.col = pos.col;
3239 selection.end.row = selection.mark.row;
3240 selection.end.col = selection.mark.col + (selection.clicks == 2);
3241 }
3242 else
3243 {
3244 selection.beg.row = selection.mark.row;
3245 selection.beg.col = selection.mark.col;
3246 selection.end.row = pos.row;
3247 selection.end.col = pos.col;
3248 }
3249 }
3250
3251 if (selection.clicks == 1)
3252 {
3253 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3254 && !ROW(selection.beg.row).is_longer ()
3255#if !ENABLE_MINIMAL
3256 && !selection.rect
3257#endif
3258 )
3259 selection.beg.col = ncol;
3260
3261 if (
3262 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3263 && !ROW(selection.end.row).is_longer ()
3264#if !ENABLE_MINIMAL
3265 && !selection.rect
3266#endif
3267 )
3268 selection.end.col = ncol;
3269 }
3270 else if (selection.clicks == 2)
3271 {
3272 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3273 selection.end.col--;
3274
3275 selection_delimit_word (UP, &selection.beg, &selection.beg);
3276 selection_delimit_word (DN, &selection.end, &selection.end);
3277 }
3278 else if (selection.clicks == 3)
3279 {
3280#if ENABLE_FRILLS
3281 if (option (Opt_tripleclickwords))
3282 {
3283 selection_delimit_word (UP, &selection.beg, &selection.beg);
3284
3285 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3286 {
3287 if (!ROW(end_row).is_longer ())
3288 {
3289 selection.end.row = end_row;
3290 selection.end.col = ROW(end_row).l;
3291# if !ENABLE_MINIMAL
3292 selection_remove_trailing_spaces ();
3293# endif
3294 break;
3066 } 3295 }
3067 } 3296 }
3068 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3069 R->selection.end.row = R->selection.mark.row;
3070 R->selection.end.col = R->selection.mark.col + 1;
3071 R->selection.beg.row = pos.row;
3072 R->selection.beg.col = pos.col;
3073 } else {
3074 R->selection.beg.row = R->selection.mark.row;
3075 R->selection.beg.col = R->selection.mark.col;
3076 R->selection.end.row = pos.row;
3077 R->selection.end.col = pos.col + 1;
3078 } 3297 }
3079 } else if (R->selection.clicks == 2) { 3298 else
3080 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3299#endif
3081 &(R->selection.beg)); 3300 {
3082 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3301 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3083 &(R->selection.end)); 3302 selection.mark.col++;
3084 R->hate_those_clicks = 1; 3303
3085 } else if (R->selection.clicks == 3) {
3086 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3087 R->selection.beg.col = 0; 3304 selection.beg.col = 0;
3088 R->selection.end.col = ncol; 3305 selection.end.col = ncol;
3089 R->hate_those_clicks = 1; 3306
3090 } 3307 // select a complete logical line
3091 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); 3308 while (selection.beg.row > -saveLines
3092 return; 3309 && ROW(selection.beg.row - 1).is_longer ())
3093 } 3310 selection.beg.row--;
3094#endif /* ! NO_OLD_SELECTION */ 3311
3095#ifndef NO_NEW_SELECTION 3312 while (selection.end.row < nrow
3096/* selection_style must not be OLD_SELECT to get here */ 3313 && ROW(selection.end.row).is_longer ())
3097/* 3314 selection.end.row++;
3098 * This is mainly xterm style selection with a couple of differences, mainly
3099 * in the way button3 drag extension works.
3100 * We're either doing: button1 drag; button3 press; or button3 drag
3101 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3102 * is always at the left/right edge of the R->selection.
3103 * b) button3 press: extend/contract character/word/line at whichever edge of
3104 * the selection we are closest to.
3105 * c) button3 drag : extend/contract character/word/line - we select around
3106 * a point/word/line which is either the start or end of the selection
3107 * and it was decided by whichever point/word/line was `fixed' at the
3108 * time of the most recent button3 press
3109 */
3110 if (button3 && buttonpress) { /* button3 press */
3111 /* 3315 }
3112 * first determine which edge of the selection we are closest to 3316 }
3113 */ 3317
3114 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3318 if (button3 && buttonpress)
3115 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3319 {
3116 && (((pos.col - R->selection.beg.col) 3320 /* mark may need to be changed */
3117 + ((pos.row - R->selection.beg.row) * ncol))
3118 < ((R->selection.end.col - pos.col)
3119 + ((R->selection.end.row - pos.row) * ncol)))))
3120 closeto = LEFT;
3121 if (closeto == LEFT) { 3321 if (closeto == LEFT)
3122 R->selection.beg.row = pos.row; 3322 {
3123 R->selection.beg.col = pos.col;
3124 R->selection.mark.row = R->selection.end.row; 3323 selection.mark.row = selection.end.row;
3125 R->selection.mark.col = R->selection.end.col 3324 selection.mark.col = selection.end.col - (selection.clicks == 2);
3126 - (R->selection.clicks == 2); 3325 }
3127 } else { 3326 else
3128 R->selection.end.row = pos.row; 3327 {
3129 R->selection.end.col = pos.col;
3130 R->selection.mark.row = R->selection.beg.row; 3328 selection.mark.row = selection.beg.row;
3131 R->selection.mark.col = R->selection.beg.col; 3329 selection.mark.col = selection.beg.col;
3132 }
3133 } else { /* button1 drag or button3 drag */
3134 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3135 if ((R->selection.mark.row == R->selection.end.row)
3136 && (R->selection.mark.col == R->selection.end.col)
3137 && clickchange && R->selection.clicks == 2)
3138 R->selection.mark.col--;
3139 R->selection.beg.row = pos.row;
3140 R->selection.beg.col = pos.col;
3141 R->selection.end.row = R->selection.mark.row;
3142 R->selection.end.col = R->selection.mark.col
3143 + (R->selection.clicks == 2);
3144 } else {
3145 R->selection.beg.row = R->selection.mark.row;
3146 R->selection.beg.col = R->selection.mark.col;
3147 R->selection.end.row = pos.row;
3148 R->selection.end.col = pos.col;
3149 }
3150 }
3151
3152 if (R->selection.clicks == 1) {
3153 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3154 if (end_col != -1 && R->selection.beg.col > end_col) {
3155#if 1
3156 R->selection.beg.col = ncol;
3157#else
3158 if (R->selection.beg.row != R->selection.end.row)
3159 R->selection.beg.col = ncol;
3160 else
3161 R->selection.beg.col = R->selection.mark.col;
3162#endif
3163 }
3164 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3165 if (end_col != -1 && R->selection.end.col > end_col)
3166 R->selection.end.col = ncol;
3167
3168 } else if (R->selection.clicks == 2) {
3169 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3170 R->selection.end.col--;
3171 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3172 &(R->selection.beg));
3173 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3174 &(R->selection.end));
3175 } else if (R->selection.clicks == 3) {
3176#ifndef NO_FRILLS
3177 if ((R->Options & Opt_tripleclickwords)) {
3178 int end_row;
3179
3180 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3181 &(R->selection.beg));
3182 end_row = R->screen.tlen[R->selection.mark.row
3183 + R->TermWin.saveLines];
3184 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3185 end_row++) {
3186 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3187 if (end_col != -1) {
3188 R->selection.end.row = end_row;
3189 R->selection.end.col = end_col;
3190 rxvt_selection_remove_trailing_spaces(aR);
3191 break;
3192 }
3193 }
3194 } else
3195#endif
3196 { 3330 }
3197 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3198 R->selection.mark.col++;
3199 R->selection.beg.col = 0;
3200 R->selection.end.col = ncol;
3201 }
3202 } 3331 }
3203 if (button3 && buttonpress) { /* mark may need to be changed */
3204 if (closeto == LEFT) {
3205 R->selection.mark.row = R->selection.end.row;
3206 R->selection.mark.col = R->selection.end.col
3207 - (R->selection.clicks == 2);
3208 } else {
3209 R->selection.mark.row = R->selection.beg.row;
3210 R->selection.mark.col = R->selection.beg.col;
3211 }
3212 }
3213 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3214#endif /* ! NO_NEW_SELECTION */
3215}
3216 3332
3217#ifndef NO_FRILLS 3333#if !ENABLE_MINIMAL
3218/* INTPROTO */ 3334 if (selection.rect && selection.beg.col > selection.end.col)
3219void 3335 ::swap (selection.beg.col, selection.end.col);
3336#endif
3337
3338 selection_changed ();
3339}
3340
3341#if !ENABLE_MINIMAL
3342void ecb_cold
3220rxvt_selection_remove_trailing_spaces(pR) 3343rxvt_term::selection_remove_trailing_spaces () noexcept
3221{ 3344{
3222 int32_t end_col, end_row; 3345 int32_t end_col, end_row;
3223 text_t *stp; 3346 text_t *stp;
3224 3347
3225 end_col = R->selection.end.col; 3348 end_col = selection.end.col;
3226 end_row = R->selection.end.row; 3349 end_row = selection.end.row;
3350
3227 for ( ; end_row >= R->selection.beg.row; ) { 3351 for (; end_row >= selection.beg.row; )
3228 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3352 {
3353 stp = ROW(end_row).t;
3354
3229 while (--end_col >= 0) { 3355 while (--end_col >= 0)
3230 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3231 break;
3232 } 3356 {
3233 if (end_col >= 0 3357 if (stp[end_col] != NOCHAR
3234 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3358 && !unicode::is_space (stp[end_col]))
3235 R->selection.end.col = end_col + 1;
3236 R->selection.end.row = end_row;
3237 break; 3359 break;
3238 } 3360 }
3361
3362 if (end_col >= 0
3363 || !ROW(end_row - 1).is_longer ())
3364 {
3365 selection.end.col = end_col + 1;
3366 selection.end.row = end_row;
3367 break;
3368 }
3369
3239 end_row--; 3370 end_row--;
3240 end_col = R->TermWin.ncol; 3371 end_col = ncol;
3241 } 3372 }
3373
3242 if (R->selection.mark.row > R->selection.end.row) { 3374 if (selection.mark.row > selection.end.row)
3375 {
3243 R->selection.mark.row = R->selection.end.row; 3376 selection.mark.row = selection.end.row;
3244 R->selection.mark.col = R->selection.end.col; 3377 selection.mark.col = selection.end.col;
3378 }
3245 } else if (R->selection.mark.row == R->selection.end.row 3379 else if (selection.mark.row == selection.end.row
3246 && R->selection.mark.col > R->selection.end.col) 3380 && selection.mark.col > selection.end.col)
3247 R->selection.mark.col = R->selection.end.col; 3381 selection.mark.col = selection.end.col;
3248} 3382}
3249#endif 3383#endif
3250 3384
3251/* ------------------------------------------------------------------------- */ 3385/* ------------------------------------------------------------------------- */
3252/* 3386/*
3253 * Double click on button 3 when already selected 3387 * Double click on button 3 when already selected
3254 * EXT: button 3 double click 3388 * EXT: button 3 double click
3255 */ 3389 */
3256void 3390void ecb_cold
3257rxvt_term::selection_rotate (int x, int y) 3391rxvt_term::selection_rotate (int x, int y) noexcept
3258{ 3392{
3259 selection.clicks = selection.clicks % 3 + 1; 3393 selection.clicks = selection.clicks % 3 + 1;
3260 rxvt_selection_extend_colrow (this, Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3394 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3261} 3395}
3262
3263/* ------------------------------------------------------------------------- */
3264/*
3265 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3266 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3267 * the X11 protocol.
3268 */
3269typedef CARD32 Atom32;
3270 3396
3271/* ------------------------------------------------------------------------- */ 3397/* ------------------------------------------------------------------------- */
3272/* 3398/*
3273 * Respond to a request for our current selection 3399 * Respond to a request for our current selection
3274 * EXT: SelectionRequest 3400 * EXT: SelectionRequest
3275 */ 3401 */
3276/* EXTPROTO */ 3402void ecb_cold
3277void
3278rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3403rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3279{ 3404{
3405 Atom property = rq.property == None ? rq.target : rq.property;
3280 XSelectionEvent ev; 3406 XSelectionEvent ev;
3281#ifdef USE_XIM 3407
3408 ev.type = SelectionNotify;
3409 ev.property = None;
3410 ev.display = rq.display;
3411 ev.requestor = rq.requestor;
3412 ev.selection = rq.selection;
3413 ev.target = rq.target;
3414 ev.time = rq.time;
3415
3416 if (rq.target == xa[XA_TARGETS])
3417 {
3282 Atom32 target_list[4]; 3418 Atom target_list[6];
3419 Atom *target = target_list;
3420
3421 *target++ = xa[XA_TARGETS];
3422 *target++ = xa[XA_TIMESTAMP];
3423 *target++ = XA_STRING;
3424 *target++ = xa[XA_TEXT];
3425 *target++ = xa[XA_COMPOUND_TEXT];
3426#if X_HAVE_UTF8_STRING
3427 *target++ = xa[XA_UTF8_STRING];
3428#endif
3429
3430 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3431 32, PropModeReplace,
3432 (unsigned char *)target_list, target - target_list);
3433 ev.property = property;
3434 }
3435#if TODO // TODO
3436 else if (rq.target == xa[XA_MULTIPLE])
3437 {
3438 /* TODO: Handle MULTIPLE */
3439 }
3440#endif
3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3442 {
3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3444 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3445 ev.property = property;
3446 }
3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3448 {
3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3450 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3451 ev.property = property;
3452 }
3453 else if (rq.target == XA_STRING
3454 || rq.target == xa[XA_TEXT]
3455 || rq.target == xa[XA_COMPOUND_TEXT]
3456 || rq.target == xa[XA_UTF8_STRING]
3457 )
3458 {
3459 XTextProperty ct;
3460 Atom target = rq.target;
3461 short freect = 0;
3462 int selectlen;
3463 wchar_t *cl;
3464 enum {
3465 enc_string = XStringStyle,
3466 enc_text = XStdICCTextStyle,
3467 enc_compound_text = XCompoundTextStyle,
3468#ifdef X_HAVE_UTF8_STRING
3469 enc_utf8 = XUTF8StringStyle,
3283#else 3470#else
3284 Atom32 target_list[3]; 3471 enc_utf8 = -1,
3285#endif 3472#endif
3286 Atom target; 3473 } style;
3287 XTextProperty ct;
3288 XICCEncodingStyle style;
3289 char *cl[2], dummy[1];
3290 3474
3291 ev.type = SelectionNotify;
3292 ev.property = None;
3293 ev.display = rq->display;
3294 ev.requestor = rq->requestor;
3295 ev.selection = rq->selection;
3296 ev.target = rq->target;
3297 ev.time = rq->time;
3298
3299 if (rq->target == R->xa[XA_TARGETS]) {
3300 target_list[0] = (Atom32) R->xa[XA_TARGETS];
3301 target_list[1] = (Atom32) XA_STRING;
3302 target_list[2] = (Atom32) R->xa[XA_TEXT];
3303#ifdef USE_XIM
3304 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3305#endif
3306 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3307 (8 * sizeof(target_list[0])), PropModeReplace,
3308 (unsigned char *)target_list,
3309 (sizeof(target_list) / sizeof(target_list[0])));
3310 ev.property = rq->property;
3311 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3312 /* TODO: Handle MULTIPLE */
3313 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3314 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3315 (8 * sizeof(Time)), PropModeReplace,
3316 (unsigned char *)&R->selection_time, 1);
3317 ev.property = rq->property;
3318 } else if (rq->target == XA_STRING
3319 || rq->target == R->xa[XA_COMPOUND_TEXT]
3320 || rq->target == R->xa[XA_TEXT]) {
3321#ifdef USE_XIM
3322 short freect = 0;
3323#endif
3324 int selectlen;
3325
3326#ifdef USE_XIM
3327 if (rq->target != XA_STRING) { 3475 if (target == XA_STRING)
3476 // we actually don't do XA_STRING, but who cares, as i18n clients
3477 // will ask for another format anyways.
3478 style = enc_string;
3479 else if (target == xa[XA_TEXT])
3480 style = enc_text;
3481 else if (target == xa[XA_COMPOUND_TEXT])
3482 style = enc_compound_text;
3483#if !ENABLE_MINIMAL
3484 else if (target == xa[XA_UTF8_STRING])
3485 style = enc_utf8;
3486#endif
3487 else
3488 {
3328 target = R->xa[XA_COMPOUND_TEXT]; 3489 target = xa[XA_COMPOUND_TEXT];
3329 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3490 style = enc_compound_text;
3330 ? XCompoundTextStyle : XStdICCTextStyle;
3331 } else
3332#endif
3333 { 3491 }
3334 target = XA_STRING; 3492
3335 style = XStringStyle; 3493 if (rq.selection == XA_PRIMARY && selection.text)
3336 } 3494 {
3337 if (R->selection.text) {
3338 cl[0] = (char *)R->selection.text; 3495 cl = selection.text;
3339 selectlen = R->selection.len; 3496 selectlen = selection.len;
3497 }
3498 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3499 {
3500 cl = selection.clip_text;
3501 selectlen = selection.clip_len;
3502 }
3340 } else { 3503 else
3341 cl[0] = dummy; 3504 {
3342 *dummy = '\0'; 3505 cl = (wchar_t *)L"";
3343 selectlen = 0; 3506 selectlen = 0;
3507 }
3508
3509#if !ENABLE_MINIMAL
3510 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3511 // so recode it manually
3512 if (style == enc_utf8)
3344 } 3513 {
3345#ifdef USE_XIM
3346 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct)
3347 == Success) /* if we failed to convert then send it raw */
3348 freect = 1; 3514 freect = 1;
3515 ct.encoding = target;
3516 ct.format = 8;
3517 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3518 ct.nitems = strlen ((char *)ct.value);
3519 }
3349 else 3520 else
3350#endif 3521#endif
3522 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3523 freect = 1;
3524 else
3351 { 3525 {
3526 /* if we failed to convert then send it raw */
3352 ct.value = (unsigned char *)cl[0]; 3527 ct.value = (unsigned char *)cl;
3353 ct.nitems = selectlen; 3528 ct.nitems = selectlen;
3529 ct.encoding = target;
3354 } 3530 }
3531
3355 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3532 XChangeProperty (dpy, rq.requestor, property,
3356 target, 8, PropModeReplace, 3533 ct.encoding, 8, PropModeReplace,
3357 ct.value, (int)ct.nitems); 3534 ct.value, (int)ct.nitems);
3358 ev.property = rq->property; 3535 ev.property = property;
3359#ifdef USE_XIM 3536
3360 if (freect) 3537 if (freect)
3361 XFree(ct.value); 3538 XFree (ct.value);
3362#endif
3363 } 3539 }
3540
3364 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3541 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3365} 3542}
3366 3543
3367/* ------------------------------------------------------------------------- * 3544/* ------------------------------------------------------------------------- */
3368 * MOUSE ROUTINES *
3369 * ------------------------------------------------------------------------- */
3370
3371/*
3372 * return col/row values corresponding to x/y pixel values
3373 */
3374void
3375rxvt_term::pixel_position (int *x, int *y)
3376{
3377 *x = Pixel2Col(*x);
3378 /* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3379 *y = Pixel2Row(*y);
3380 /* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3381}
3382
3383/* ------------------------------------------------------------------------- */
3384#ifdef USE_XIM 3545#if USE_XIM
3385void 3546void ecb_cold
3386rxvt_term::set_position (XPoint *pos) 3547rxvt_term::im_set_position (XPoint &pos) noexcept
3387{ 3548{
3388 XWindowAttributes xwa; 3549 XWindowAttributes xwa;
3389 3550
3390 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3551 XGetWindowAttributes (dpy, vt, &xwa);
3552
3391 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3553 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3392 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3554 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3393} 3555}
3394
3395#endif 3556#endif
3396/* ------------------------------------------------------------------------- */ 3557
3397 3558#if ENABLE_OVERLAY
3559void
3560rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3561{
3562 if (nrow < 1 || ncol < 1)
3563 return;
3564
3565 want_refresh = 1;
3566
3567 scr_overlay_off ();
3568
3569 if (x < 0) x = ncol - w;
3570 if (y < 0) y = nrow - h;
3571
3572 // make space for border
3573 w += 2; min_it (w, ncol);
3574 h += 2; min_it (h, nrow);
3575
3576 x -= 1; clamp_it (x, 0, ncol - w);
3577 y -= 1; clamp_it (y, 0, nrow - h);
3578
3579 ov.x = x; ov.y = y;
3580 ov.w = w; ov.h = h;
3581
3582 ov.text = new text_t *[h];
3583 ov.rend = new rend_t *[h];
3584
3585 for (y = 0; y < h; y++)
3586 {
3587 text_t *tp = ov.text[y] = new text_t[w];
3588 rend_t *rp = ov.rend[y] = new rend_t[w];
3589
3590 text_t t0, t1, t2;
3591 rend_t r = OVERLAY_RSTYLE;
3592
3593 if (y == 0)
3594 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3595 else if (y < h - 1)
3596 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3597 else
3598 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3599
3600 *tp++ = t0;
3601 *rp++ = r;
3602
3603 for (x = w - 2; x > 0; --x)
3604 {
3605 *tp++ = t1;
3606 *rp++ = r;
3607 }
3608
3609 *tp = t2;
3610 *rp = r;
3611 }
3612}
3613
3614void
3615rxvt_term::scr_overlay_off () noexcept
3616{
3617 if (!ov.text)
3618 return;
3619
3620 want_refresh = 1;
3621
3622 for (int y = 0; y < ov.h; y++)
3623 {
3624 delete [] ov.text[y];
3625 delete [] ov.rend[y];
3626 }
3627
3628 delete [] ov.text; ov.text = 0;
3629 delete [] ov.rend; ov.rend = 0;
3630}
3631
3632void
3633rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3634{
3635 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3636 return;
3637
3638 x++, y++;
3639
3640 ov.text[y][x] = text;
3641 ov.rend[y][x] = rend;
3642}
3643
3644void
3645rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3646{
3647 while (*s)
3648 scr_overlay_set (x++, y, *s++);
3649}
3650
3651void
3652rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3653{
3654 while (*s)
3655 {
3656 text_t t = *s++;
3657 int width = WCWIDTH (t);
3658
3659 while (width--)
3660 {
3661 scr_overlay_set (x++, y, t);
3662 t = NOCHAR;
3663 }
3664 }
3665}
3666
3667void
3668rxvt_term::scr_swap_overlay () noexcept
3669{
3670 if (!ov.text)
3671 return;
3672
3673 // hide cursor if it is within the overlay area
3674 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3675 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3676 screen.flags &= ~Screen_VisibleCursor;
3677
3678 // swap screen mem with overlay
3679 for (int y = ov.h; y--; )
3680 {
3681 text_t *t1 = ov.text[y];
3682 rend_t *r1 = ov.rend[y];
3683
3684 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3685 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3686
3687 for (int x = ov.w; x--; )
3688 {
3689 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3690 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3691 }
3692 }
3693}
3694
3695#endif
3398/* ------------------------------------------------------------------------- * 3696/* ------------------------------------------------------------------------- */
3399 * DEBUG ROUTINES *
3400 * ------------------------------------------------------------------------- */
3401#if 0
3402/* INTPROTO */
3403void
3404rxvt_debug_colors(void)
3405{
3406 int color;
3407 const char *name[] = {
3408 "fg", "bg",
3409 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3410 };
3411 3697
3412 fprintf(stderr, "Color ( ");
3413 if (R->rstyle & RS_RVid)
3414 fprintf(stderr, "rvid ");
3415 if (R->rstyle & RS_Bold)
3416 fprintf(stderr, "bold ");
3417 if (R->rstyle & RS_Blink)
3418 fprintf(stderr, "blink ");
3419 if (R->rstyle & RS_Uline)
3420 fprintf(stderr, "uline ");
3421 fprintf(stderr, "): ");
3422
3423 color = GET_FGCOLOR(R->rstyle);
3424#ifndef NO_BRIGHTCOLOR
3425 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3426 color -= (minBrightCOLOR - minCOLOR);
3427 fprintf(stderr, "bright ");
3428 }
3429#endif
3430 fprintf(stderr, "%s on ", name[color]);
3431
3432 color = GET_BGCOLOR(R->rstyle);
3433#ifndef NO_BRIGHTCOLOR
3434 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3435 color -= (minBrightCOLOR - minCOLOR);
3436 fprintf(stderr, "bright ");
3437 }
3438#endif
3439 fprintf(stderr, "%s\n", name[color]);
3440}
3441#endif

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