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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.18 by pcg, Wed Jan 28 23:40:50 2004 UTC vs.
Revision 1.469 by root, Mon Aug 8 10:09:34 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
6 * 8 *
7 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version. 12 * (at your option) any later version.
11 * 13 *
12 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
16 * 18 *
17 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
21/* 24/*
22 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
23 */ 26 */
24 27
25#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
29 31
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 32#include <inttypes.h>
33#include <wchar.h>
34 33
35#include "salloc.C" // HACK!! 34static inline void
36
37inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
38{ 36{
39 while (len--) 37 while (len--)
40 *start++ = value; 38 *start++ = value;
41} 39}
42 40
43/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
46 43
47/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK(R) \ 47#define ZERO_SCROLLBACK() \
51 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
52 (R)->TermWin.view_start = 0 49 view_start = 0
53#define CLEAR_SELECTION(R) \ 50#define CLEAR_SELECTION() \
54 (R)->selection.beg.row = (R)->selection.beg.col \ 51 selection.beg.row = selection.beg.col \
55 = (R)->selection.end.row = (R)->selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION(R) \ 53#define CLEAR_ALL_SELECTION() \
57 (R)->selection.beg.row = (R)->selection.beg.col \ 54 selection.beg.row = selection.beg.col \
58 = (R)->selection.mark.row = (R)->selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
59 = (R)->selection.end.row = (R)->selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
60 57
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
73 70
74/* these must be row_col_t */ 71/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 81 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 84
88/* 85/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 87 */
93#define drawBuffer TermWin.vt
94
95#define CLEAR_ROWS(row, num) \
96 if (TermWin.mapped) \
97 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel(row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel(num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 89 if (mapped) \
103 XClearArea (Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel(row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel(num))
112 93
113/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
116/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
117void 99void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
119{ 101{
120 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
122 116
123 while (width--) 117 while (width--)
124 { 118 {
125 *et++ = ' '; 119 *et++ = ' ';
126 *er++ = efs; 120 *er++ = efs;
… …
128} 122}
129 123
130/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
132void 126void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
134{ 128{
135#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 130
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
145} 164}
146 165
147/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
150void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
151rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
152{ 216{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
154 unsigned int p, q; 218 scr_overlay_off ();
155 int k; 219#endif
156 rend_t setrstyle;
157 220
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 221 view_start = 0;
161 num_scr = 0; 222 num_scr = 0;
162 223
163 if (TermWin.ncol == 0) 224 if (ncol == 0)
164 TermWin.ncol = 80; 225 ncol = 80;
165 226
166 if (TermWin.nrow == 0) 227 if (nrow == 0)
167 TermWin.nrow = 24; 228 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 229
172 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 231 return;
174 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
175 want_refresh = 1; 242 want_refresh = 1;
176 243
244 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 246
180 screen.tscroll = 0; 247 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
182 249
183 if (!talloc) 250 void *prev_chunk = chunk;
184 { 251 size_t prev_chunk_size = chunk_size;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
187 } 259 {
188 260 top_row = 0;
189 if (prev_nrow == 0) 261 term_start = 0;
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 262
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 267 screen.charset = 0;
223 current_screen = PRIMARY; 268 current_screen = PRIMARY;
224 rxvt_scr_cursor (this, SAVE); 269 scr_cursor (SAVE);
225 270
226#if NSCREENS 271#if NSCREENS
227 swap.flags = Screen_DefaultFlags; 272 swap.flags = Screen_DefaultFlags;
228 swap.cur.row = swap.cur.col = 0; 273 swap.cur.row = swap.cur.col = 0;
229 swap.charset = 0; 274 swap.charset = 0;
230 current_screen = SECONDARY; 275 current_screen = SECONDARY;
231 rxvt_scr_cursor (this, SAVE); 276 scr_cursor (SAVE);
232 current_screen = PRIMARY; 277 current_screen = PRIMARY;
233#endif 278#endif
234 279
235 selection.text = NULL; 280 selection.text = NULL;
236 selection.len = 0; 281 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (this); 285 selection.clip_text = NULL;
241 rvideo = 0; 286 selection.clip_len = 0;
242 } 287 }
243 else 288 else
244 { 289 {
245 /* 290 /*
246 * add or delete rows as appropriate 291 * add or delete rows as appropriate
247 */ 292 */
248 setrstyle = DEFAULT_RSTYLE;
249 293
250 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // resize swap_buf, blank drawn_buf
297 for (int row = min (nrow, prev_nrow); row--; )
298 {
299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
302
303 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 304 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 305
256 for (p = nrow; p < prev_nrow; p++) 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
257 { 321 {
258 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 328 {
261#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 330
263#endif 331 plines++;
264 talloc->free (screen.text[q]); 332 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 333 }
267 if (swap.text[p]) 334
335 int qlines = max (0, (llen - 1) / ncol) + 1;
336
337 // drop partial lines completely
338 if (q < qlines)
339 break;
340
341 q -= qlines;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
268 { 348 {
269#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
270 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
271#endif 351 qline->l = ncol;
272 talloc->free (swap.text[p]); 352 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
274 } 385 }
275#ifdef DEBUG_STRICT 386
276 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 388 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 390 }
391 while (p != pend);
281 392
282 /* we have fewer rows so fix up cursor position */ 393 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 394 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 395
286 scr_reset_realloc (); /* realloc _last_ */ 396 // make sure all terminal lines exist
287 } 397 while (top_row > 0)
288 else if (nrow > prev_nrow) 398 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 399 }
290 /* add rows */ 400 else
291 scr_reset_realloc (); /* realloc _first_ */ 401#endif
292 402 {
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 403 // wing, instead of wrap
294 404 do
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 405 {
299 screen.tlen[p] = 0; 406 p = MOD (p - 1, prev_total_rows);
300 screen.text[p] = NULL; 407 q--;
301 screen.rend[p] = NULL; 408
409 copy_line (row_buf [q], prev_row_buf [p]);
302 } 410 }
411 while (p != pend);
303 412
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
306
307 for (p = prev_nrow; p < nrow; p++)
308 {
309 swap.tlen[p] = 0;
310 swap.text[p] = NULL;
311 swap.rend[p] = NULL;
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
316 }
317
318 if (k > 0)
319 {
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
321 screen.cur.row += k;
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
324 }
325#ifdef DEBUG_STRICT
326 assert(screen.cur.row < TermWin.nrow);
327 assert(swap.cur.row < TermWin.nrow);
328#else /* drive with your eyes closed */
329
330 MIN_IT(screen.cur.row, nrow - 1); 413 screen.cur.row += nrow - prev_nrow;
331 MIN_IT(swap.cur.row, nrow - 1); 414 term_start = total_rows - nrow;
332#endif
333 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
334 }
335
336 /* resize columns */
337 if (ncol != prev_ncol)
338 { 415 }
339 int common = min (prev_ncol, ncol); 416
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 417 clamp_it (screen.cur.row, 0, nrow - 1);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 418 clamp_it (screen.cur.col, 0, ncol - 1);
342 419 }
343 for (p = 0; p < total_rows; p++)
344 {
345 if (screen.text[p])
346 {
347 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
348 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
349 420
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
351 422 for (int row = nrow; row--; )
352 if (ncol > prev_ncol)
353 scr_blank_line (&(screen.text[p][prev_ncol]),
354 &(screen.rend[p][prev_ncol]),
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359
360 for (p = 0; p < nrow; p++)
361 {
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
364
365 if (ncol > prev_ncol)
366 scr_blank_line (&(drawn_text[p][prev_ncol]),
367 &(drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
369
370 if (swap.text[p])
371 {
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
374
375 MIN_IT(swap.tlen[p], (int16_t)ncol);
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&(swap.text[p][prev_ncol]),
379 &(swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
381 }
382
383 }
384
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
387
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
390 }
391
392 if (tabs)
393 free(tabs);
394 } 423 {
424 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
425 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
426 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
427 }
428
429 chunk_free (prev_chunk, prev_chunk_size);
430
431 free (tabs);
432 tabs = (char *)rxvt_malloc (ncol);
433
434 for (int col = ncol; col--; )
435 tabs [col] = col % TABSIZE == 0;
436
437 CLEAR_ALL_SELECTION ();
395 438
396 prev_nrow = nrow; 439 prev_nrow = nrow;
397 prev_ncol = ncol; 440 prev_ncol = ncol;
398 441
399 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
400
401 for (p = 0; p < ncol; p++)
402 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
403
404 tt_winch (); 442 tt_winch ();
405}
406 443
407void 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
408rxvt_term::scr_reset_realloc()
409{
410 uint16_t total_rows, nrow;
411
412 nrow = TermWin.nrow;
413 total_rows = nrow + TermWin.saveLines;
414 /* *INDENT-OFF* */
415 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
416 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
417 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
418 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
419
420 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
421 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
422
423 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
424 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
425 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
426 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
427 /* *INDENT-ON* */
428} 445}
429 446
430/* ------------------------------------------------------------------------- */ 447void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 448rxvt_term::scr_release () noexcept
436{ 449{
437 uint16_t total_rows; 450 chunk_free (chunk, chunk_size);
438 int i; 451 chunk = 0;
452 row_buf = 0;
439 453
440 total_rows = TermWin.nrow + TermWin.saveLines;
441
442#ifdef DEBUG_STRICT
443 for (i = 0; i < total_rows; i++)
444 {
445 if (screen.text[i])
446 /* then so is screen.rend[i] */
447 assert(screen.rend[i]);
448 }
449#endif
450
451 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0;
453
454 free (screen.text);
455 free (screen.tlen);
456 free (screen.rend);
457 free (drawn_text);
458 free (drawn_rend);
459 free (swap.text);
460 free (swap.tlen);
461 free (swap.rend);
462 free (buf_text);
463 free (buf_rend);
464 free (tabs); 454 free (tabs);
465
466 /* NULL these so if anything tries to use them, we'll know about it */
467 screen.text = drawn_text = swap.text = NULL;
468 screen.rend = drawn_rend = swap.rend = NULL;
469 screen.tlen = swap.tlen = NULL;
470 buf_text = NULL;
471 buf_rend = NULL;
472 tabs = NULL; 455 tabs = 0;
473} 456}
474 457
475/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
476/* 459/*
477 * Hard reset 460 * Hard/Soft reset
478 */ 461 */
479/* EXTPROTO */ 462void ecb_cold
480void
481rxvt_scr_poweron(pR) 463rxvt_term::scr_poweron ()
482{ 464{
483 D_SCREEN((stderr, "rxvt_scr_poweron()"));
484
485 R->scr_release (); 465 scr_release ();
466
486 R->prev_nrow = R->prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
468 rvideo_mode = false;
469 scr_soft_reset ();
487 R->scr_reset (); 470 scr_reset ();
488 471
489 R->scr_clear (); 472 scr_clear (true);
490 R->scr_refresh (SLOW_REFRESH); 473 scr_refresh ();
491#ifdef RXVT_GRAPHICS 474}
492 rxvt_Gr_reset (aR); 475
476void ecb_cold
477rxvt_term::scr_soft_reset () noexcept
478{
479 /* only affects modes, nothing drastic such as clearing the screen */
480#if ENABLE_OVERLAY
481 scr_overlay_off ();
493#endif 482#endif
483
484 if (current_screen != PRIMARY)
485 scr_swap_screen ();
486
487 scr_scroll_region (0, MAX_ROWS - 1);
488 scr_rendition (0, ~RS_None);
489 scr_insert_mode (0);
494} 490}
495 491
496/* ------------------------------------------------------------------------- * 492/* ------------------------------------------------------------------------- *
497 * PROCESS SCREEN COMMANDS * 493 * PROCESS SCREEN COMMANDS *
498 * ------------------------------------------------------------------------- */ 494 * ------------------------------------------------------------------------- */
499/* 495/*
500 * Save and Restore cursor 496 * Save and Restore cursor
501 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
502 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
503 */ 499 */
504/* EXTPROTO */
505void 500void
506rxvt_scr_cursor(pR_ int mode) 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
507{ 502{
508 screen_t *s; 503 screen_t *s;
509
510 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
511 504
512#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
513 if (R->current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
514 s = &(R->swap); 507 s = &swap;
515 else 508 else
516#endif 509#endif
517 s = &(R->screen); 510 s = &screen;
511
518 switch (mode) { 512 switch (mode)
513 {
519 case SAVE: 514 case SAVE:
520 s->s_cur.row = s->cur.row; 515 s->s_cur.row = screen.cur.row;
521 s->s_cur.col = s->cur.col; 516 s->s_cur.col = screen.cur.col;
522 s->s_rstyle = R->rstyle; 517 s->s_rstyle = rstyle;
523 s->s_charset = s->charset; 518 s->s_charset = screen.charset;
524 s->s_charset_char = R->charsets[s->charset]; 519 s->s_charset_char = charsets[screen.charset];
525 break; 520 break;
521
526 case RESTORE: 522 case RESTORE:
527 R->want_refresh = 1; 523 want_refresh = 1;
528 s->cur.row = s->s_cur.row; 524 screen.cur.row = s->s_cur.row;
529 s->cur.col = s->s_cur.col; 525 screen.cur.col = s->s_cur.col;
530 s->flags &= ~Screen_WrapNext; 526 screen.flags &= ~Screen_WrapNext;
531 R->rstyle = s->s_rstyle; 527 rstyle = s->s_rstyle;
532 s->charset = s->s_charset; 528 screen.charset = s->s_charset;
533 R->charsets[s->charset] = s->s_charset_char; 529 charsets[screen.charset] = s->s_charset_char;
534 rxvt_set_font_style(aR); 530 set_font_style ();
535 break; 531 break;
536 } 532 }
533
537/* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
538 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 535 min_it (s->cur.row, nrow - 1);
539 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 536 min_it (s->cur.col, ncol - 1);
540#ifdef DEBUG_STRICT
541 assert(s->cur.row >= 0); 537 assert (s->cur.row >= 0);
542 assert(s->cur.col >= 0); 538 assert (s->cur.col >= 0);
543#else /* drive with your eyes closed */ 539}
544 MAX_IT(s->cur.row, 0); 540
545 MAX_IT(s->cur.col, 0); 541void
546#endif 542rxvt_term::scr_swap_screen () noexcept
543{
544 if (!option (Opt_secondaryScreen))
545 return;
546
547 for (int i = prev_nrow; i--; )
548 ::swap (ROW(i), swap_buf [i]);
549
550 ::swap (screen.cur, swap.cur);
551
552 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
553 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
547} 554}
548 555
549/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
550/* 557/*
551 * Swap between primary and secondary screens 558 * Swap between primary and secondary screens
552 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 559 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
553 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 560 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
554 */ 561 */
555/* EXTPROTO */ 562void
556int
557rxvt_scr_change_screen(pR_ int scrn) 563rxvt_term::scr_change_screen (int scrn)
558{ 564{
559 int i; 565 if (scrn == current_screen)
566 return;
567
568 want_refresh = 1;
569 view_start = 0;
570
571 /* check for boundary cross */
572 row_col_t pos;
573 pos.row = pos.col = 0;
574 if (ROWCOL_IS_BEFORE (selection.beg, pos)
575 && ROWCOL_IS_AFTER (selection.end, pos))
576 CLEAR_SELECTION ();
577
578 current_screen = scrn;
579
560#if NSCREENS 580#if NSCREENS
561 int offset; 581 if (option (Opt_secondaryScreen))
562#endif 582 {
563
564 R->want_refresh = 1;
565
566 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
567
568 R->TermWin.view_start = 0;
569
570 if (R->current_screen == scrn)
571 return R->current_screen;
572
573 rxvt_selection_check(aR_ 2); /* check for boundary cross */
574
575 SWAP_IT(R->current_screen, scrn, int);
576#if NSCREENS
577 R->num_scr = 0; 583 num_scr = 0;
578 offset = R->TermWin.saveLines; 584
579 for (i = R->prev_nrow; i--;) { 585 scr_swap_screen ();
580 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 586
581 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 587 ::swap (screen.charset, swap.charset);
582 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 588 ::swap (screen.flags, swap.flags);
583 }
584 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
585 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
586# ifdef DEBUG_STRICT
587 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
588 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
589# else /* drive with your eyes closed */
590 MAX_IT(R->screen.cur.row, 0);
591 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
592 MAX_IT(R->screen.cur.col, 0);
593 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
594# endif
595 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
596 SWAP_IT(R->screen.flags, R->swap.flags, int);
597 R->screen.flags |= Screen_VisibleCursor; 589 screen.flags |= Screen_VisibleCursor;
598 R->swap.flags |= Screen_VisibleCursor; 590 swap.flags |= Screen_VisibleCursor;
599
600# ifdef RXVT_GRAPHICS
601
602 if (rxvt_Gr_Displayed(aR)) {
603 rxvt_Gr_scroll(aR_ 0);
604 rxvt_Gr_ChangeScreen(aR);
605 } 591 }
592 else
606# endif 593#endif
607#else 594 if (option (Opt_secondaryScroll))
608# ifdef SCROLL_ON_NO_SECONDARY
609# ifdef RXVT_GRAPHICS
610 if (rxvt_Gr_Displayed(aR))
611 rxvt_Gr_ClearScreen(aR);
612# endif
613 if (R->current_screen == PRIMARY
614# ifdef RXVT_GRAPHICS
615 && !rxvt_Gr_Displayed(aR)
616# endif
617 )
618 R->scr_scroll_text(0, (R->prev_nrow - 1), R->prev_nrow, 0); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
619# endif 596}
620#endif 597
598// clear WrapNext indicator, solidifying position on next line
599void
600rxvt_term::scr_do_wrap () noexcept
601{
602 if (!(screen.flags & Screen_WrapNext))
621 return scrn; 603 return;
604
605 screen.flags &= ~Screen_WrapNext;
606
607 screen.cur.col = 0;
608
609 if (screen.cur.row == screen.bscroll)
610 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
611 else if (screen.cur.row < nrow - 1)
612 screen.cur.row++;
622} 613}
623 614
624/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
625/* 616/*
626 * Change the colour for following text 617 * Change the colour for following text
627 */ 618 */
628/* EXTPROTO */
629void 619void
630rxvt_scr_color(pR_ unsigned int color, int fgbg) 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
631{ 621{
622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
632 color &= RS_fgMask; 623 color = fgbg;
624
633 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
634 R->rstyle = SET_FGCOLOR(R->rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
635 else 627 else
636 R->rstyle = SET_BGCOLOR(R->rstyle, color); 628 rstyle = SET_BGCOLOR (rstyle, color);
637} 629}
638 630
639/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
640/* 632/*
641 * Change the rendition style for following text 633 * Change the rendition style for following text
642 */ 634 */
643/* EXTPROTO */
644void 635void
645rxvt_scr_rendition(pR_ int set, int style) 636rxvt_term::scr_rendition (int set, int style) noexcept
646{ 637{
647 if (set) 638 if (set)
648 R->rstyle |= style; 639 rstyle |= style;
649 else if (style == ~RS_None) 640 else if (style == ~RS_None)
650 R->rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
651 else 642 else
652 R->rstyle &= ~style; 643 rstyle &= ~style;
653} 644}
654 645
655/* ------------------------------------------------------------------------- */ 646/* ------------------------------------------------------------------------- */
656/* 647/*
657 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
658 * count positive ==> scroll up 649 * count positive ==> scroll up
659 * count negative ==> scroll down 650 * count negative ==> scroll down
660 * spec == 0 for normal routines
661 */ 651 */
662int 652int ecb_hot
663rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
664{ 654{
665 int i, j;
666 long nscrolled;
667
668 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
669 return 0; 656 return 0;
670 657
671 want_refresh = 1; 658 want_refresh = 1;
672 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 659 num_scr += count;
673 660
674 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 661 if (count > 0
662 && row1 == 0
663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
667 top_row = max (top_row - count, -saveLines);
668
669 // sever bottommost line
675 { 670 {
676 nscrolled = (long)TermWin.nscrolled + (long)count; 671 line_t &l = ROW(row2);
677 672 l.is_longer (0);
678 if (nscrolled > (long)TermWin.saveLines) 673 l.touch ();
679 TermWin.nscrolled = TermWin.saveLines;
680 else
681 TermWin.nscrolled = (uint16_t)nscrolled;
682
683 if ((Options & Opt_scrollWithBuffer)
684 && TermWin.view_start != 0
685 && TermWin.view_start != TermWin.saveLines)
686 rxvt_scr_page (this, UP, count);
687 } 674 }
688 else if (!spec)
689 row1 += TermWin.saveLines;
690 675
691 row2 += TermWin.saveLines; 676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
692 678
679 // now copy lines below the scroll region bottom to the
680 // bottom of the screen again, so they look as if they
681 // hadn't moved.
682 for (int i = nrow; --i > row2; )
683 {
684 line_t &l1 = ROW(i - count);
685 line_t &l2 = ROW(i);
686
687 ::swap (l1, l2);
688 l2.touch ();
689 }
690
691 // erase newly scrolled-in lines
692 for (int i = count; i--; )
693 {
694 line_t &l = ROW(row2 - i);
695
696 // optimise if already cleared, can be significant on slow machines
697 // could be rolled into scr_blank_screen_mem
698 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
699 {
700 scr_blank_line (l, 0, l.l, rstyle);
701 l.l = 0;
702 l.f = 0;
703 }
704 else
705 scr_blank_screen_mem (l, rstyle);
706 }
707
708 // move and/or clear selection, if any
693 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
694 { 710 && selection.beg.row <= row2)
695 i = selection.beg.row + TermWin.saveLines;
696 j = selection.end.row + TermWin.saveLines;
697 if ((i < row1 && j > row1)
698 || (i < row2 && j > row2)
699 || (i - count < row1 && i >= row1)
700 || (i - count > row2 && i <= row2)
701 || (j - count < row1 && j >= row1)
702 || (j - count > row2 && j <= row2))
703 {
704 CLEAR_ALL_SELECTION (this);
705 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
706 } 711 {
707 else if (j >= row1 && j <= row2)
708 {
709 /* move selected region too */
710 selection.beg.row -= count; 712 selection.beg.row -= count;
711 selection.end.row -= count; 713 selection.end.row -= count;
712 selection.mark.row -= count; 714 selection.mark.row -= count;
713 }
714 }
715 715
716 rxvt_selection_check (this, 0); /* _after_ TermWin.nscrolled update */ 716 selection_check (0);
717
718 num_scr += count;
719 j = count;
720
721 if (count < 0)
722 count = -count;
723
724 i = row2 - row1 + 1;
725 MIN_IT(count, i);
726
727 if (j > 0)
728 {
729 /* A: scroll up */
730
731 /* A1: Copy lines that will get clobbered by the rotation */
732 for (i = 0, j = row1; i < count; i++, j++)
733 { 717 }
734 buf_text[i] = screen.text[j]; 718
735 buf_rend[i] = screen.rend[j]; 719 // finally move the view window, if desired
720 if (option (Opt_scrollWithBuffer)
721 && view_start != 0
722 && view_start != -saveLines)
723 scr_page (count);
724
725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
726 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
727 }
728 else
729 {
730 if (selection.op && current_screen == selection.screen)
736 } 731 {
737 /* A2: Rotate lines */ 732 if ((selection.beg.row < row1 && selection.end.row > row1)
738 for (j = row1, i = j + count; i <= row2; i++, j++) 733 || (selection.beg.row < row2 && selection.end.row > row2)
734 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
735 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
736 || (selection.end.row - count < row1 && selection.end.row >= row1)
737 || (selection.end.row - count > row2 && selection.end.row <= row2))
738 {
739 CLEAR_ALL_SELECTION ();
740 selection.op = SELECTION_CLEAR;
741 }
742 else if (selection.end.row >= row1 && selection.end.row <= row2)
743 {
744 /* move selected region too */
745 selection.beg.row -= count;
746 selection.end.row -= count;
747 selection.mark.row -= count;
748
749 selection_check (0);
750 }
739 { 751 }
740 screen.tlen[j] = screen.tlen[i]; 752
741 screen.text[j] = screen.text[i]; 753 // use a simple and robust scrolling algorithm, this
742 screen.rend[j] = screen.rend[i]; 754 // part of scr_scroll_text is not time-critical.
755
756 // sever line above scroll region
757 if (row1)
743 } 758 {
744 j = row2 - count + 1, i = count; 759 line_t &l = ROW(row1 - 1);
745 } 760 l.is_longer (0);
746 else /* if (j < 0) */ 761 l.touch ();
747 {
748 /* B: scroll down */
749
750 /* B1: Copy lines that will get clobbered by the rotation */
751 for (i = 0, j = row2; i < count; i++, j--)
752 { 762 }
753 buf_text[i] = screen.text[j]; 763
754 buf_rend[i] = screen.rend[j]; 764 int rows = row2 - row1 + 1;
765
766 min_it (count, rows);
767
768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
769
770 for (int row = 0; row < rows; row++)
755 } 771 {
756 /* B2: Rotate lines */ 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
757 for (j = row2, i = j - count; i >= row1; i--, j--) 773
774 if (!IN_RANGE_EXC (row + count, 0, rows))
775 scr_blank_screen_mem (temp_buf [row], rstyle);
758 { 776 }
759 screen.tlen[j] = screen.tlen[i]; 777
760 screen.text[j] = screen.text[i]; 778 for (int row = 0; row < rows; row++)
761 screen.rend[j] = screen.rend[i]; 779 ROW(row1 + row) = temp_buf [row];
780
781 // sever bottommost line
782 {
783 line_t &l = ROW(row2);
784 l.is_longer (0);
785 l.touch ();
762 } 786 }
763 j = row1, i = count;
764 count = -count;
765 }
766
767 /* C: Resurrect lines */
768 for (; i--; j++)
769 { 787 }
770 screen.tlen[j] = 0;
771 screen.text[j] = buf_text[i];
772 screen.rend[j] = buf_rend[i];
773
774 if (!spec) /* line length may not equal TermWin.ncol */
775 scr_blank_screen_mem (screen.text, screen.rend,
776 (unsigned int)j, rstyle);
777 }
778
779#ifdef RXVT_GRAPHICS
780 if (rxvt_Gr_Displayed (this))
781 rxvt_Gr_scroll(this, count);
782#endif
783 788
784 return count; 789 return count;
785} 790}
786 791
787/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
788/* 793/*
789 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
790 */ 795 */
791/* EXTPROTO */ 796void ecb_hot
792void 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
793rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len)
794{ 798{
795 unsigned char checksel, clearsel;
796 uint32_t c;
797 int i, row, last_col;
798 text_t *stp;
799 rend_t *srp;
800
801 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
802 return; 800 return;
803 801
802 bool checksel;
803 unicode_t c;
804 int ncol = this->ncol;
805 const wchar_t *strend = str + len;
806
804 R->want_refresh = 1; 807 want_refresh = 1;
805 last_col = R->TermWin.ncol;
806
807 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
808 ZERO_SCROLLBACK(R); 808 ZERO_SCROLLBACK ();
809
809 if (nlines > 0) { 810 if (minlines > 0)
811 {
810 nlines += (R->screen.cur.row - R->screen.bscroll); 812 minlines += screen.cur.row - screen.bscroll;
813 min_it (minlines, screen.cur.row - top_row);
814
811 if ((nlines > 0) 815 if (minlines > 0
812 && (R->screen.tscroll == 0) 816 && screen.tscroll == 0
813 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 817 && screen.bscroll == nrow - 1)
818 {
814 /* _at least_ this many lines need to be scrolled */ 819 /* _at least_ this many lines need to be scrolled */
815 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, nlines, 0); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
816 R->screen.cur.row -= nlines; 821 screen.cur.row -= minlines;
817 } 822 }
818 } 823 }
819#ifdef DEBUG_STRICT 824
820 assert(R->screen.cur.col < last_col); 825 assert (screen.cur.col < ncol);
821 assert((R->screen.cur.row < R->TermWin.nrow) 826 assert (screen.cur.row < nrow
822 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 827 && screen.cur.row >= top_row);
823#else /* drive with your eyes closed */ 828 int row = screen.cur.row;
824 MIN_IT(R->screen.cur.col, last_col - 1);
825 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
826 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
827#endif
828 row = R->screen.cur.row + R->TermWin.saveLines;
829 829
830 checksel = (R->selection.op 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
831 && R->current_screen == R->selection.screen) ? 1 : 0;
832 clearsel = 0;
833 831
834 stp = R->screen.text[row]; 832 line_t *line = &ROW(row);
835 srp = R->screen.rend[row];
836 833
837 for (i = 0; i < len;) { 834 while (str < strend)
838 c = str[i++]; 835 {
839 switch (c) { 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
840 case '\t': 837
841 rxvt_scr_tab (aR_ 1); 838 if (ecb_unlikely (c < 0x20))
839 if (c == C0_LF)
840 {
841 max_it (line->l, screen.cur.col);
842
843 screen.flags &= ~Screen_WrapNext;
844
845 if (screen.cur.row == screen.bscroll)
846 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
847 else if (screen.cur.row < (nrow - 1))
848 row = ++screen.cur.row;
849
850 line = &ROW(row); /* _must_ refresh */
842 continue; 851 continue;
843 case '\n': 852 }
844 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 853 else if (c == C0_CR)
845 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 854 {
855 max_it (line->l, screen.cur.col);
856
846 R->screen.flags &= ~Screen_WrapNext; 857 screen.flags &= ~Screen_WrapNext;
847 if (R->screen.cur.row == R->screen.bscroll) 858 screen.cur.col = 0;
848 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, 1, 0);
849 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
850 row = (++R->screen.cur.row) + R->TermWin.saveLines;
851 stp = R->screen.text[row]; /* _must_ refresh */
852 srp = R->screen.rend[row]; /* _must_ refresh */
853 continue; 859 continue;
854 case '\r': 860 }
855 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 861 else if (c == C0_HT)
856 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 862 {
857 R->screen.flags &= ~Screen_WrapNext; 863 scr_tab (1, true);
858 R->screen.cur.col = 0;
859 continue; 864 continue;
860 default:
861 if (c == 127)
862 continue; /* yummmm..... */
863 break;
864 } 865 }
865 866
867 if (ecb_unlikely (
866 if (checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
867 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
868 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
871 ))
872 {
869 checksel = 0; 873 checksel = 0;
870 clearsel = 1; 874 /*
875 * If we wrote anywhere in the selected area, kill the selection
876 * XXX: should we kill the mark too? Possibly, but maybe that
877 * should be a similar check.
878 */
879 CLEAR_SELECTION ();
880 }
881
882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
871 } 883 {
872 if (R->screen.flags & Screen_WrapNext) { 884 scr_do_wrap ();
873 R->screen.tlen[row] = -1; 885
874 if (R->screen.cur.row == R->screen.bscroll) 886 line->l = ncol;
875 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, 1, 0); 887 line->is_longer (1);
876 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 888
877 row = (++R->screen.cur.row) + R->TermWin.saveLines; 889 row = screen.cur.row;
878 stp = R->screen.text[row]; /* _must_ refresh */ 890 line = &ROW(row); /* _must_ refresh */
879 srp = R->screen.rend[row]; /* _must_ refresh */ 891 }
880 R->screen.cur.col = 0; 892
881 R->screen.flags &= ~Screen_WrapNext; 893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
895 c = 0xfffd;
896
897 // rely on wcwidth to tell us the character width, do wcwidth before
898 // further replacements, as wcwidth might return -1 for the line
899 // drawing characters below as they might be invalid in the current
900 // locale.
901 int width = WCWIDTH (c);
902
903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
882 } 904 {
883 if (R->screen.flags & Screen_Insert) 905 // vt100 special graphics and line drawing
884 rxvt_scr_insdel_chars(aR_ 1, INSERT); 906 // 5f-7e standard vt100
907 // 40-5e rxvt extension for extra curses acs chars
908 static uint16_t vt100_0[62] = { // 41 .. 7e
909 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
910 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
911 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
912 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
913 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
914 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
915 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
916 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
917 };
885 918
886 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 919 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
887 switch (c)
888 { 920 {
889 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 921 c = vt100_0[c - 0x41];
890 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 922 width = 1; // vt100 line drawing characters are always single-width
891 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
892 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
893 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
894 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
895 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
896 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
897 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
898 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
899 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
900 } 923 }
924 }
901 925
902 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 926 if (ecb_unlikely (screen.flags & Screen_Insert))
903 // rely on wcwidth to tell us the character width, at least for non-ascii 927 scr_insdel_chars (width, INSERT);
904 int width = c <= 128 ? 1 : wcwidth (c);
905 928
906 // width -1 characters (e.g. combining chars) are ignored currently.
907 if (width > 0) 929 if (width != 0)
930 {
931#if !UNICODE_3
932 // trim characters we can't store directly :(
933 if (c >= 0x10000)
934# if ENABLE_COMBINING
935 c = rxvt_composite.compose (c); // map to lower 16 bits
936# else
937 c = 0xfffd;
938# endif
939#endif
940
941 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
942
943 // if the character doesn't fit into the remaining columns...
944 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
945 {
946 if (screen.flags & Screen_Autowrap)
947 {
948 // ... artificially enlargen the previous one
949 c = NOCHAR;
950 // and try the same character next loop iteration
951 --str;
952 }
953 else
954 screen.cur.col = ncol - width;
955 }
956
957 // nuke the character at this position, if required
958 // due to wonderful coincidences everywhere else in this loop
959 // we never have to check for overwriting a wide char itself,
960 // only its tail.
961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
962 scr_kill_char (*line, screen.cur.col);
963
964 line->touch ();
965
908 do 966 do
909 { 967 {
910 stp[R->screen.cur.col] = c; 968 line->t[screen.cur.col] = c;
911 srp[R->screen.cur.col] = rend; 969 line->r[screen.cur.col] = rend;
912 970
913 if (R->screen.cur.col < last_col - 1) 971 if (ecb_likely (screen.cur.col < ncol - 1))
914 R->screen.cur.col++; 972 screen.cur.col++;
915 else 973 else
916 { 974 {
917 R->screen.tlen[row] = last_col; 975 line->l = ncol;
918 if (R->screen.flags & Screen_Autowrap) 976 if (screen.flags & Screen_Autowrap)
919 R->screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
920 break; 978
979 goto end_of_line;
921 } 980 }
922 981
923 c = NOCHAR; 982 c = NOCHAR;
924 } 983 }
925 while (--width > 0); 984 while (ecb_unlikely (--width > 0));
985
986 // pad with spaces when overwriting wide character with smaller one
987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
988 {
989 line->t[c] = ' ';
990 line->r[c] = rend;
991 }
992
993end_of_line:
994 ;
995 }
996#if ENABLE_COMBINING
997 else // width == 0
998 {
999 if (c != 0xfeff) // ignore BOM
1000 {
1001 // handle combining characters
1002 // we just tag the accent on the previous on-screen character.
1003 // this is arguably not correct, but also arguably not wrong.
1004 // we don't handle double-width characters nicely yet.
1005 line_t *linep;
1006 text_t *tp;
1007 rend_t *rp;
1008
1009 if (screen.cur.col > 0)
1010 {
1011 linep = line;
1012 tp = line->t + screen.cur.col - 1;
1013 rp = line->r + screen.cur.col - 1;
1014 }
1015 else if (screen.cur.row > 0
1016 && ROW(screen.cur.row - 1).is_longer ())
1017 {
1018 linep = &ROW(screen.cur.row - 1);
1019 tp = linep->t + ncol - 1;
1020 rp = linep->r + ncol - 1;
1021 }
926 else 1022 else
927 1; /* handle combining character etc. here. */ 1023 continue;
928 }
929 1024
930 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 1025 linep->touch ();
931 MAX_IT(R->screen.tlen[row], R->screen.cur.col);
932 1026
933/* 1027 while (*tp == NOCHAR && tp > linep->t)
934 * If we wrote anywhere in the selected area, kill the selection 1028 tp--, rp--;
935 * XXX: should we kill the mark too? Possibly, but maybe that
936 * should be a similar check.
937 */
938 if (clearsel)
939 CLEAR_SELECTION(R);
940 1029
941#ifdef DEBUG_STRICT 1030 // first try to find a precomposed character
1031 unicode_t n = rxvt_compose (*tp, c);
1032 if (n == NOCHAR)
1033 n = rxvt_composite.compose (*tp, c);
1034
1035 *tp = n;
1036 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1037 }
1038 }
1039#endif
1040 }
1041
1042 max_it (line->l, screen.cur.col);
1043
942 assert(R->screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
943#else /* drive with your eyes closed */
944 MAX_IT(R->screen.cur.row, 0);
945#endif
946} 1045}
947 1046
948/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
949/* 1048/*
950 * Process Backspace. Move back the cursor back a position, wrap if have to 1049 * Process Backspace. Move back the cursor back a position, wrap if have to
951 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
952 */ 1051 */
953/* EXTPROTO */
954void 1052void
955rxvt_scr_backspace(pR) 1053rxvt_term::scr_backspace () noexcept
956{ 1054{
957 R->want_refresh = 1;
958 if (R->screen.cur.col == 0) { 1055 if (screen.cur.col == 0)
1056 {
959 if (R->screen.cur.row > 0) { 1057 if (screen.cur.row > 0)
1058 {
960#ifdef TERMCAP_HAS_BW 1059#ifdef TERMCAP_HAS_BW
961 R->screen.cur.col = R->TermWin.ncol - 1; 1060 screen.cur.col = ncol - 1;
962 R->screen.cur.row--; 1061 --screen.cur.row;
963 return; 1062
1063 want_refresh = 1;
964#endif 1064#endif
965 } 1065 }
1066 }
966 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1067 else if (screen.flags & Screen_WrapNext)
967 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
968 R->screen.flags &= ~Screen_WrapNext; 1068 screen.flags &= ~Screen_WrapNext;
1069 else
1070 scr_gotorc (0, -1, RELATIVE);
969} 1071}
970 1072
971/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
972/* 1074/*
973 * Process Horizontal Tab 1075 * Process Horizontal Tab
974 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
975 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
976 */ 1078 */
977/* EXTPROTO */
978void 1079void
979rxvt_scr_tab(pR_ int count) 1080rxvt_term::scr_tab (int count, bool ht) noexcept
980{ 1081{
981 int i, x; 1082 int i, x;
982 1083
983 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
984 R->want_refresh = 1; 1084 want_refresh = 1;
985 i = x = R->screen.cur.col; 1085 i = x = screen.cur.col;
1086
986 if (count == 0) 1087 if (count == 0)
987 return; 1088 return;
988 else if (count > 0) { 1089 else if (count > 0)
1090 {
1091 line_t &l = ROW(screen.cur.row);
1092 rend_t base_rend = l.r[i];
1093 ht &= l.t[i] == ' ';
1094
989 for (; ++i < R->TermWin.ncol; ) 1095 for (; ++i < ncol; )
990 if (R->tabs[i]) { 1096 if (tabs[i])
1097 {
991 x = i; 1098 x = i;
1099
992 if (!--count) 1100 if (!--count)
993 break; 1101 break;
1102 }
1103 else
1104 ht &= l.t[i] == ' '
1105 && RS_SAME (l.r[i], base_rend);
1106
1107 if (count)
1108 x = ncol - 1;
1109
1110 // store horizontal tab commands as characters inside the text
1111 // buffer so they can be selected and pasted.
1112 if (ht && option (Opt_pastableTabs))
1113 {
1114 base_rend = SET_FONT (base_rend, 0);
1115
1116 l.touch (x);
1117
1118 i = screen.cur.col;
1119
1120 l.t[i] = '\t';
1121 l.r[i] = base_rend;
1122
1123 while (++i < x)
1124 {
1125 l.t[i] = NOCHAR;
1126 l.r[i] = base_rend;
994 } 1127 }
995 if (count) 1128 }
996 x = R->TermWin.ncol - 1; 1129 }
997 } else /* if (count < 0) */ { 1130 else /* if (count < 0) */
1131 {
998 for (; --i >= 0; ) 1132 for (; --i >= 0; )
999 if (R->tabs[i]) { 1133 if (tabs[i])
1000 x = i;
1001 if (!++count)
1002 break;
1003 } 1134 {
1004 if (count)
1005 x = 0; 1135 x = i;
1136 if (!++count)
1137 break;
1138 }
1139
1140 if (count)
1141 x = 0;
1006 } 1142 }
1143
1007 if (x != R->screen.cur.col) 1144 if (x != screen.cur.col)
1008 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1145 scr_gotorc (0, x, R_RELATIVE);
1009} 1146}
1010 1147
1011/* ------------------------------------------------------------------------- */ 1148/* ------------------------------------------------------------------------- */
1012/* 1149/*
1013 * Process DEC Back Index 1150 * Process DEC Back Index
1014 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1015 * Move cursor left in row. If we're at the left boundary, shift everything 1152 * Move cursor left in row. If we're at the left boundary, shift everything
1016 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1017 */ 1154 */
1018#ifndef NO_FRILLS 1155#if !ENABLE_MINIMAL
1019/* EXTPROTO */ 1156void ecb_cold
1020void 1157rxvt_term::scr_backindex () noexcept
1021rxvt_scr_backindex(pR)
1022{ 1158{
1023 if (R->screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1024 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1025 else { 1161 else
1026 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
1027 return; /* um, yeah? */
1028 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1029 }
1030} 1163}
1031#endif 1164#endif
1032/* ------------------------------------------------------------------------- */ 1165/* ------------------------------------------------------------------------- */
1033/* 1166/*
1034 * Process DEC Forward Index 1167 * Process DEC Forward Index
1035 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1036 * Move cursor right in row. If we're at the right boundary, shift everything 1169 * Move cursor right in row. If we're at the right boundary, shift everything
1037 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1038 */ 1171 */
1039#ifndef NO_FRILLS 1172#if !ENABLE_MINIMAL
1040/* EXTPROTO */ 1173void ecb_cold
1041void 1174rxvt_term::scr_forwardindex () noexcept
1042rxvt_scr_forwardindex(pR)
1043{ 1175{
1044 int row;
1045
1046 if (R->screen.cur.col < R->TermWin.ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1047 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1048 else { 1178 else
1049 row = R->screen.cur.row + R->TermWin.saveLines; 1179 {
1050 if (R->screen.tlen[row] == 0) 1180 line_t &l = ROW(screen.cur.row);
1051 return; /* um, yeah? */ 1181
1052 else if (R->screen.tlen[row] == -1) 1182 l.touch ();
1053 R->screen.tlen[row] = R->TermWin.ncol; 1183 l.is_longer (0);
1184
1054 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1185 scr_gotorc (0, 0, R_RELATIVE);
1055 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1186 scr_insdel_chars (1, DELETE);
1056 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1187 scr_gotorc (0, ncol - 1, R_RELATIVE);
1057 } 1188 }
1058} 1189}
1059#endif 1190#endif
1060 1191
1061/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1062/* 1193/*
1063 * Goto Row/Column 1194 * Goto Row/Column
1064 */ 1195 */
1065/* EXTPROTO */
1066void 1196void
1067rxvt_scr_gotorc(pR_ int row, int col, int relative) 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1068{ 1198{
1069 R->want_refresh = 1; 1199 want_refresh = 1;
1070 ZERO_SCROLLBACK(R); 1200 ZERO_SCROLLBACK ();
1071#ifdef RXVT_GRAPHICS
1072 if (rxvt_Gr_Displayed(aR))
1073 rxvt_Gr_scroll(aR_ 0);
1074#endif
1075 1201
1076 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));
1077
1078 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1079 : col); 1203 clamp_it (screen.cur.col, 0, ncol - 1);
1080 MAX_IT(R->screen.cur.col, 0);
1081 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1082 1204
1083 R->screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1206
1084 if (relative & R_RELATIVE) { 1207 if (relative & R_RELATIVE)
1208 {
1085 if (row > 0) { 1209 if (row > 0)
1210 {
1086 if (R->screen.cur.row <= R->screen.bscroll 1211 if (screen.cur.row <= screen.bscroll
1087 && (R->screen.cur.row + row) > R->screen.bscroll) 1212 && (screen.cur.row + row) > screen.bscroll)
1088 R->screen.cur.row = R->screen.bscroll; 1213 screen.cur.row = screen.bscroll;
1089 else 1214 else
1090 R->screen.cur.row += row;
1091 } else if (row < 0) {
1092 if (R->screen.cur.row >= R->screen.tscroll
1093 && (R->screen.cur.row + row) < R->screen.tscroll)
1094 R->screen.cur.row = R->screen.tscroll;
1095 else
1096 R->screen.cur.row += row;
1097 }
1098 } else {
1099 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1100 R->screen.cur.row = row + R->screen.tscroll;
1101 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1102 } else
1103 R->screen.cur.row = row; 1215 screen.cur.row += row;
1216 }
1217 else if (row < 0)
1218 {
1219 if (screen.cur.row >= screen.tscroll
1220 && (screen.cur.row + row) < screen.tscroll)
1221 screen.cur.row = screen.tscroll;
1222 else
1223 screen.cur.row += row;
1224 }
1225 }
1226 else
1104 } 1227 {
1105 MAX_IT(R->screen.cur.row, 0); 1228 if (screen.flags & Screen_Relative)
1106 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1229 {
1107} 1230 /* relative origin mode */
1231 screen.cur.row = row + screen.tscroll;
1232 min_it (screen.cur.row, screen.bscroll);
1233 }
1234 else
1235 screen.cur.row = row;
1236 }
1108 1237
1238 clamp_it (screen.cur.row, 0, nrow - 1);
1239}
1240
1109/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1110/* 1242/*
1111 * direction should be UP or DN 1243 * direction should be UP or DN
1112 */ 1244 */
1113/* EXTPROTO */
1114void 1245void
1115rxvt_scr_index(pR_ enum page_dirn direction) 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1116{ 1247{
1117 int dirn;
1118
1119 R->want_refresh = 1; 1248 want_refresh = 1;
1120 dirn = ((direction == UP) ? 1 : -1);
1121 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1122
1123 ZERO_SCROLLBACK(R); 1249 ZERO_SCROLLBACK ();
1124 1250
1125#ifdef RXVT_GRAPHICS
1126 if (rxvt_Gr_Displayed(aR))
1127 rxvt_Gr_scroll(aR_ 0);
1128#endif
1129
1130 R->screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1252
1131 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1132 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1133 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, dirn, 0); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1134 else 1256 else
1135 R->screen.cur.row += dirn; 1257 screen.cur.row += direction;
1136 MAX_IT(R->screen.cur.row, 0); 1258
1137 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1138 rxvt_selection_check(aR_ 0); 1260 selection_check (0);
1139} 1261}
1140 1262
1141/* ------------------------------------------------------------------------- */ 1263/* ------------------------------------------------------------------------- */
1142/* 1264/*
1143 * Erase part or whole of a line 1265 * Erase part or whole of a line
1144 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1266 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1145 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1146 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1269 * extension: clear to right unless wrapped: ESC [ 3 K
1147 */ 1270 */
1148/* EXTPROTO */
1149void 1271void
1150rxvt_scr_erase_line(pR_ int mode) 1272rxvt_term::scr_erase_line (int mode) noexcept
1151{ 1273{
1152 unsigned int row, col, num; 1274 unsigned int col, num;
1153 1275
1154 R->want_refresh = 1; 1276 want_refresh = 1;
1155 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1156 ZERO_SCROLLBACK (R); 1277 ZERO_SCROLLBACK ();
1157 1278
1158#ifdef RXVT_GRAPHICS
1159 if (rxvt_Gr_Displayed (aR))
1160 rxvt_Gr_scroll (aR_ 0);
1161#endif
1162
1163 rxvt_selection_check (aR_ 1); 1279 selection_check (1);
1164 1280
1165 R->screen.flags &= ~Screen_WrapNext; 1281 line_t &line = ROW(screen.cur.row);
1166 1282
1167 row = R->TermWin.saveLines + R->screen.cur.row; 1283 line.touch ();
1284 line.is_longer (0);
1285
1168 switch (mode) 1286 switch (mode)
1169 { 1287 {
1288 case 3:
1289 if (screen.flags & Screen_WrapNext)
1290 return;
1291
1292 /* fall through */
1293
1170 case 0: /* erase to end of line */ 1294 case 0: /* erase to end of line */
1171 col = R->screen.cur.col; 1295 col = screen.cur.col;
1172 num = R->TermWin.ncol - col; 1296 num = ncol - col;
1173 MIN_IT(R->screen.tlen[row], (int16_t)col); 1297 min_it (line.l, col);
1298
1174 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1299 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1175 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1300 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1176 CLEAR_SELECTION(R); 1301 CLEAR_SELECTION ();
1177 break; 1302 break;
1303
1178 case 1: /* erase to beginning of line */ 1304 case 1: /* erase to beginning of line */
1179 col = 0; 1305 col = 0;
1180 num = R->screen.cur.col + 1; 1306 num = screen.cur.col + 1;
1307
1181 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1308 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1182 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1309 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1183 CLEAR_SELECTION(R); 1310 CLEAR_SELECTION ();
1184 break; 1311 break;
1312
1185 case 2: /* erase whole line */ 1313 case 2: /* erase whole line */
1186 col = 0; 1314 col = 0;
1187 num = R->TermWin.ncol; 1315 num = ncol;
1188 R->screen.tlen[row] = 0; 1316 line.l = 0;
1189 if (R->selection.beg.row <= R->screen.cur.row 1317 if (selection.beg.row <= screen.cur.row
1190 && R->selection.end.row >= R->screen.cur.row) 1318 && selection.end.row >= screen.cur.row)
1191 CLEAR_SELECTION(R); 1319 CLEAR_SELECTION ();
1192 break; 1320 break;
1193 default: 1321 default:
1194 return; 1322 return;
1195 } 1323 }
1196 1324
1197 if (R->screen.text[row]) 1325 scr_blank_line (line, col, num, rstyle);
1198 R->scr_blank_line (&(R->screen.text[row][col]),
1199 &(R->screen.rend[row][col]), num, R->rstyle);
1200 else
1201 R->scr_blank_screen_mem (R->screen.text, R->screen.rend, row, R->rstyle);
1202} 1326}
1203 1327
1204/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1205/* 1329/*
1206 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1207 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1208 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1209 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1210 */ 1334 */
1211void 1335void
1212rxvt_term::scr_erase_screen (int mode) 1336rxvt_term::scr_erase_screen (int mode) noexcept
1213{ 1337{
1214 int num; 1338 int num;
1215 int32_t row, row_offset; 1339 int32_t row;
1216 rend_t ren; 1340 rend_t ren;
1217 XGCValues gcvalue; 1341 XGCValues gcvalue;
1218 1342
1219 want_refresh = 1; 1343 want_refresh = 1;
1220 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1221 ZERO_SCROLLBACK(this); 1344 ZERO_SCROLLBACK ();
1222 row_offset = (int32_t)TermWin.saveLines;
1223 1345
1224 switch (mode) { 1346 switch (mode)
1347 {
1225 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1226 rxvt_selection_check(this,1);
1227 rxvt_scr_erase_line(this,0); 1349 scr_erase_line (0);
1228 row = screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1229 num = TermWin.nrow - row; 1351 num = nrow - row;
1230 break; 1352 break;
1231 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1232 rxvt_selection_check(this,3);
1233 rxvt_scr_erase_line(this,1); 1354 scr_erase_line (1);
1234 row = 0; 1355 row = 0;
1235 num = screen.cur.row; 1356 num = screen.cur.row;
1236 break; 1357 break;
1237 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1238 rxvt_selection_check (this, 3);
1239#ifdef RXVT_GRAPHICS
1240 rxvt_Gr_ClearScreen (this);
1241#endif
1242 row = 0; 1359 row = 0;
1243 num = TermWin.nrow; 1360 num = nrow;
1244 break; 1361 break;
1245 default: 1362 default:
1246 return; 1363 return;
1247 } 1364 }
1248 refresh_type |= REFRESH_BOUNDS; 1365
1249 if (selection.op && current_screen == selection.screen 1366 if (selection.op && current_screen == selection.screen
1250 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1367 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1251 || (selection.end.row >= row 1368 || (selection.end.row >= row
1252 && selection.end.row <= row + num))) 1369 && selection.end.row <= row + num)))
1253 CLEAR_SELECTION (this); 1370 CLEAR_SELECTION ();
1371
1254 if (row >= TermWin.nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1255 return; 1373 return;
1256 MIN_IT(num, (TermWin.nrow - row)); 1374
1375 min_it (num, nrow - row);
1376
1257 if (rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1258 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1259 else if (GET_BASEBG(rstyle) == Color_bg) { 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1380 {
1260 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1261 CLEAR_ROWS(row, num); 1382
1262 } else { 1383 if (mapped)
1384 XClearArea (dpy, vt, 0,
1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num), False);
1387 }
1388 else
1389 {
1263 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1391
1392 if (mapped)
1393 {
1264 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1265 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1266 ERASE_ROWS(row, num); 1396 XFillRectangle (dpy, vt, gc,
1397 0, Row2Pixel (row - view_start),
1398 (unsigned int)vt_width,
1399 (unsigned int)Height2Pixel (num));
1267 gcvalue.foreground = PixColors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1268 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1269 } 1403 }
1404
1270 for (; num--; row++) { 1405 for (; num--; row++)
1271 scr_blank_screen_mem (screen.text, screen.rend,
1272 (unsigned int)(row + row_offset), rstyle);
1273 screen.tlen[row + row_offset] = 0;
1274 scr_blank_line (drawn_text[row], drawn_rend[row],
1275 (unsigned int)TermWin.ncol, ren);
1276 } 1406 {
1407 scr_blank_screen_mem (ROW(row), rstyle);
1408
1409 if (row - view_start < nrow)
1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1411 }
1277} 1412}
1413
1414#if !ENABLE_MINIMAL
1415void
1416rxvt_term::scr_erase_savelines () noexcept
1417{
1418 want_refresh = 1;
1419 ZERO_SCROLLBACK ();
1420
1421 top_row = 0;
1422}
1423#endif
1278 1424
1279/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1280/* 1426/*
1281 * Fill the screen with `E's 1427 * Fill the screen with `E's
1282 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1283 */ 1429 */
1284/* EXTPROTO */ 1430void ecb_cold
1285void 1431rxvt_term::scr_E () noexcept
1286rxvt_scr_E(pR)
1287{ 1432{
1288 int i, j, k; 1433 rend_t fs;
1289 rend_t *r1, fs;
1290 1434
1291 R->want_refresh = 1; 1435 want_refresh = 1;
1292 R->num_scr_allow = 0;
1293 ZERO_SCROLLBACK(R); 1436 ZERO_SCROLLBACK ();
1294 rxvt_selection_check(aR_ 3);
1295 1437
1296 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1438 num_scr_allow = 0;
1297 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1439
1298 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1440 row_col_t pos;
1299 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1441 pos.row = pos.col = 0;
1300 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1442 if (ROWCOL_IS_AFTER (selection.end, pos))
1443 CLEAR_SELECTION ();
1444
1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1446 for (int row = nrow; row--; )
1447 {
1448 line_t &line = ROW(row);
1449
1450 fill_text (line.t, 'E', ncol);
1451 rend_t *r1 = line.r;
1452
1453 for (int j = ncol; j--; )
1301 *r1++ = fs; 1454 *r1++ = fs;
1455
1456 line.is_longer (0);
1457 line.touch (ncol);
1302 } 1458 }
1303} 1459}
1304 1460
1305/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1306/* 1462/*
1307 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1308 */ 1464 */
1309/* EXTPROTO */
1310void 1465void
1311rxvt_scr_insdel_lines(pR_ int count, int insdel) 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1312{ 1467{
1313 int end; 1468 int end;
1314 1469
1315 ZERO_SCROLLBACK(R); 1470 ZERO_SCROLLBACK ();
1316 1471
1317#ifdef RXVT_GRAPHICS
1318 if (rxvt_Gr_Displayed(aR))
1319 rxvt_Gr_scroll(aR_ 0);
1320#endif
1321
1322 rxvt_selection_check(aR_ 1); 1472 selection_check (1);
1323 1473
1324 if (R->screen.cur.row > R->screen.bscroll) 1474 if (screen.cur.row > screen.bscroll)
1475 return;
1476
1477 end = screen.bscroll - screen.cur.row + 1;
1478 if (count > end)
1479 {
1480 if (insdel == DELETE)
1325 return; 1481 return;
1326
1327 end = R->screen.bscroll - R->screen.cur.row + 1;
1328 if (count > end) {
1329 if (insdel == DELETE)
1330 return;
1331 else if (insdel == INSERT) 1482 else if (insdel == INSERT)
1332 count = end; 1483 count = end;
1333 } 1484 }
1334 R->screen.flags &= ~Screen_WrapNext;
1335 1485
1486 scr_do_wrap ();
1487
1336 R->scr_scroll_text(R->screen.cur.row, R->screen.bscroll, insdel * count, 0); 1488 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1337} 1489}
1338 1490
1339/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1340/* 1492/*
1341 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1342 */ 1494 */
1343/* EXTPROTO */
1344void 1495void
1345rxvt_scr_insdel_chars(pR_ int count, int insdel) 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1346{ 1497{
1347 int col, row;
1348 rend_t tr;
1349 text_t *stp;
1350 rend_t *srp;
1351 int16_t *slp;
1352
1353 R->want_refresh = 1; 1498 want_refresh = 1;
1354 ZERO_SCROLLBACK(R); 1499 ZERO_SCROLLBACK ();
1355 1500
1356#ifdef RXVT_GRAPHICS
1357 if (rxvt_Gr_Displayed(aR))
1358 rxvt_Gr_scroll(aR_ 0);
1359#endif
1360
1361 if (count <= 0) 1501 if (count <= 0)
1362 return; 1502 return;
1363 1503
1504 scr_do_wrap ();
1505
1364 rxvt_selection_check(aR_ 1); 1506 selection_check (1);
1365 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1507 min_it (count, ncol - screen.cur.col);
1366 1508
1367 row = R->screen.cur.row + R->TermWin.saveLines; 1509 int row = screen.cur.row;
1368 R->screen.flags &= ~Screen_WrapNext;
1369 1510
1370 stp = R->screen.text[row]; 1511 line_t *line = &ROW(row);
1371 srp = R->screen.rend[row]; 1512
1372 slp = &(R->screen.tlen[row]); 1513 line->touch ();
1514 line->is_longer (0);
1515
1516 // nuke wide spanning the start
1517 if (line->t[screen.cur.col] == NOCHAR)
1518 scr_kill_char (*line, screen.cur.col);
1519
1373 switch (insdel) { 1520 switch (insdel)
1521 {
1374 case INSERT: 1522 case INSERT:
1375 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1523 line->l = min (line->l + count, ncol);
1376 col--) { 1524
1525 if (line->t[screen.cur.col] == NOCHAR)
1526 scr_kill_char (*line, screen.cur.col);
1527
1528 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1529 {
1377 stp[col] = stp[col - count]; 1530 line->t[col] = line->t[col - count];
1378 srp[col] = srp[col - count]; 1531 line->r[col] = line->r[col - count];
1379 } 1532 }
1380 if (*slp != -1) { 1533
1381 *slp += count;
1382 MIN_IT(*slp, R->TermWin.ncol);
1383 }
1384 if (R->selection.op && R->current_screen == R->selection.screen 1534 if (selection.op && current_screen == selection.screen
1385 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1535 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1536 {
1386 if (R->selection.end.row != R->screen.cur.row 1537 if (selection.end.row != screen.cur.row
1387 || (R->selection.end.col + count >= R->TermWin.ncol)) 1538 || (selection.end.col + count >= ncol))
1388 CLEAR_SELECTION(R); 1539 CLEAR_SELECTION ();
1540 else
1541 {
1389 else { /* shift selection */ 1542 /* shift selection */
1390 R->selection.beg.col += count; 1543 selection.beg.col += count;
1391 R->selection.mark.col += count; /* XXX: yes? */ 1544 selection.mark.col += count; /* XXX: yes? */
1392 R->selection.end.col += count; 1545 selection.end.col += count;
1393 } 1546 }
1394 } 1547 }
1395 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1548
1396 (unsigned int)count, R->rstyle); 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1397 break; 1550 break;
1551
1398 case ERASE: 1552 case ERASE:
1399 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1553 screen.cur.col += count; /* don't worry if > ncol */
1400 rxvt_selection_check(aR_ 1); 1554 selection_check (1);
1401 R->screen.cur.col -= count; 1555 screen.cur.col -= count;
1402 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1556
1403 (unsigned int)count, R->rstyle); 1557 // nuke wide char after the end
1558 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1559 scr_kill_char (*line, screen.cur.col + count);
1560
1561 scr_blank_line (*line, screen.cur.col, count, rstyle);
1404 break; 1562 break;
1563
1405 case DELETE: 1564 case DELETE:
1406 tr = srp[R->TermWin.ncol - 1] 1565 line->l = max (line->l - count, 0);
1407 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1566
1567 // nuke wide char spanning the end
1568 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1569 scr_kill_char (*line, screen.cur.col + count);
1570
1408 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1571 for (int col = screen.cur.col; (col + count) < ncol; col++)
1572 {
1409 stp[col] = stp[col + count]; 1573 line->t[col] = line->t[col + count];
1410 srp[col] = srp[col + count]; 1574 line->r[col] = line->r[col + count];
1411 } 1575 }
1412 R->scr_blank_line (&(stp[R->TermWin.ncol - count]), 1576
1413 &(srp[R->TermWin.ncol - count]), 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1414 (unsigned int)count, tr); 1578
1415 if (*slp == -1) /* break line continuation */
1416 *slp = R->TermWin.ncol;
1417 *slp -= count;
1418 MAX_IT(*slp, 0);
1419 if (R->selection.op && R->current_screen == R->selection.screen 1579 if (selection.op && current_screen == selection.screen
1420 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1581 {
1421 if (R->selection.end.row != R->screen.cur.row 1582 if (selection.end.row != screen.cur.row
1422 || (R->screen.cur.col >= R->selection.beg.col - count) 1583 || (screen.cur.col >= selection.beg.col - count)
1423 || R->selection.end.col >= R->TermWin.ncol) 1584 || selection.end.col >= ncol)
1424 CLEAR_SELECTION(R); 1585 CLEAR_SELECTION ();
1425 else { 1586 else
1587 {
1426 /* shift selection */ 1588 /* shift selection */
1427 R->selection.beg.col -= count; 1589 selection.beg.col -= count;
1428 R->selection.mark.col -= count; /* XXX: yes? */ 1590 selection.mark.col -= count; /* XXX: yes? */
1429 R->selection.end.col -= count; 1591 selection.end.col -= count;
1430 } 1592 }
1431 } 1593 }
1594
1432 break; 1595 break;
1433 } 1596 }
1434} 1597}
1435 1598
1436/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1437/* 1600/*
1438 * Set the scrolling region 1601 * Set the scrolling region
1439 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1440 */ 1603 */
1441/* EXTPROTO */ 1604void ecb_cold
1442void
1443rxvt_scr_scroll_region(pR_ int top, int bot) 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1444{ 1606{
1445 MAX_IT(top, 0); 1607 max_it (top, 0);
1446 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1608 min_it (bot, nrow - 1);
1609
1447 if (top > bot) 1610 if (top > bot)
1448 return; 1611 return;
1612
1449 R->screen.tscroll = top; 1613 screen.tscroll = top;
1450 R->screen.bscroll = bot; 1614 screen.bscroll = bot;
1451 rxvt_scr_gotorc(aR_ 0, 0, 0); 1615 scr_gotorc (0, 0, 0);
1452} 1616}
1453 1617
1454/* ------------------------------------------------------------------------- */ 1618/* ------------------------------------------------------------------------- */
1455/* 1619/*
1456 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1457 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1458 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1459 */ 1623 */
1460/* EXTPROTO */ 1624void ecb_cold
1461void
1462rxvt_scr_cursor_visible(pR_ int mode) 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1463{ 1626{
1464 R->want_refresh = 1; 1627 want_refresh = 1;
1628
1465 if (mode) 1629 if (mode)
1466 R->screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1467 else 1631 else
1468 R->screen.flags &= ~Screen_VisibleCursor; 1632 screen.flags &= ~Screen_VisibleCursor;
1469} 1633}
1470 1634
1471/* ------------------------------------------------------------------------- */ 1635/* ------------------------------------------------------------------------- */
1472/* 1636/*
1473 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1474 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1475 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1476 */ 1640 */
1477/* EXTPROTO */ 1641void ecb_cold
1478void 1642rxvt_term::scr_autowrap (int mode) noexcept
1479rxvt_scr_autowrap(pR_ int mode)
1480{ 1643{
1481 if (mode) 1644 if (mode)
1482 R->screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1483 else 1646 else
1484 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1485} 1648}
1486 1649
1487/* ------------------------------------------------------------------------- */ 1650/* ------------------------------------------------------------------------- */
1488/* 1651/*
1489 * Set/unset margin origin mode 1652 * Set/unset margin origin mode
… …
1492 * Relative mode: line numbers are relative to top margin of scrolling region 1655 * Relative mode: line numbers are relative to top margin of scrolling region
1493 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1494 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1495 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1496 */ 1659 */
1497/* EXTPROTO */ 1660void ecb_cold
1498void
1499rxvt_scr_relative_origin(pR_ int mode) 1661rxvt_term::scr_relative_origin (int mode) noexcept
1500{ 1662{
1501 if (mode) 1663 if (mode)
1502 R->screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1503 else 1665 else
1504 R->screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1667
1505 rxvt_scr_gotorc(aR_ 0, 0, 0); 1668 scr_gotorc (0, 0, 0);
1506} 1669}
1507 1670
1508/* ------------------------------------------------------------------------- */ 1671/* ------------------------------------------------------------------------- */
1509/* 1672/*
1510 * Set insert/replace mode 1673 * Set insert/replace mode
1511 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1512 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1513 */ 1676 */
1514/* EXTPROTO */ 1677void ecb_cold
1515void
1516rxvt_scr_insert_mode(pR_ int mode) 1678rxvt_term::scr_insert_mode (int mode) noexcept
1517{ 1679{
1518 if (mode) 1680 if (mode)
1519 R->screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1520 else 1682 else
1521 R->screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1522} 1684}
1523 1685
1524/* ------------------------------------------------------------------------- */ 1686/* ------------------------------------------------------------------------- */
1525/* 1687/*
1526 * Set/Unset tabs 1688 * Set/Unset tabs
1527 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1528 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1529 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1530 */ 1692 */
1531/* EXTPROTO */ 1693void ecb_cold
1532void 1694rxvt_term::scr_set_tab (int mode) noexcept
1533rxvt_scr_set_tab(pR_ int mode)
1534{ 1695{
1535 if (mode < 0) 1696 if (mode < 0)
1536 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1697 memset (tabs, 0, ncol);
1537 else if (R->screen.cur.col < R->TermWin.ncol) 1698 else if (screen.cur.col < ncol)
1538 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1699 tabs [screen.cur.col] = !!mode;
1539} 1700}
1540 1701
1541/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1542/* 1703/*
1543 * Set reverse/normal video 1704 * Set reverse/normal video
1544 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1545 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1546 */ 1707 */
1547/* EXTPROTO */
1548void 1708void
1549rxvt_scr_rvideo_mode(pR_ int mode) 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1550{ 1710{
1711 rvideo_mode = on;
1712
1713#ifndef NO_BELL
1714 on ^= rvideo_bell;
1715#endif
1716
1717 if (rvideo_state != on)
1718 {
1719 rvideo_state = on;
1720
1721#if OFF_FOCUS_FADING
1722 if (rs[Rs_fade])
1723 {
1724 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1725 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1726 }
1727 else
1728#endif
1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1730#ifdef HAVE_IMG
1731 if (bg_img == 0)
1732#endif
1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1734
1551 XGCValues gcvalue; 1735 XGCValues gcvalue;
1552
1553 if (R->rvideo != mode) {
1554 R->rvideo = mode;
1555 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1556#if defined(XPM_BACKGROUND)
1557 if (R->bgPixmap.pixmap == None)
1558#endif
1559#if defined(TRANSPARENT)
1560 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1561#endif
1562 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1563 R->PixColors[Color_bg]);
1564
1565 gcvalue.foreground = R->PixColors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1566 gcvalue.background = R->PixColors[Color_bg]; 1737 gcvalue.background = pix_colors[Color_bg];
1567 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1738 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1568 &gcvalue); 1739
1569 R->scr_clear (); 1740 scr_clear ();
1570 R->scr_touch (true); 1741 scr_touch (true);
1571 } 1742 }
1572} 1743}
1573 1744
1574/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1575/* 1746/*
1576 * Report current cursor position 1747 * Report current cursor position
1577 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1578 */ 1749 */
1579/* EXTPROTO */ 1750void ecb_cold
1580void 1751rxvt_term::scr_report_position () noexcept
1581rxvt_scr_report_position(pR)
1582{ 1752{
1583 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1753 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1584} 1754}
1585 1755
1586/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1587 * FONTS * 1757 * FONTS *
1588 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1589 1759
1590/* 1760/*
1591 * Set font style 1761 * Set font style
1592 */ 1762 */
1593/* INTPROTO */ 1763void ecb_cold
1594void 1764rxvt_term::set_font_style () noexcept
1595rxvt_set_font_style(pR)
1596{ 1765{
1766#if 0
1597 switch (R->charsets[R->screen.charset]) { 1767 switch (charsets [screen.charset])
1768 {
1598 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1599 break; 1770 break;
1600 case 'A': /* United Kingdom (UK) */ 1771 case 'A': /* United Kingdom (UK) */
1601 break; 1772 break;
1602 case 'B': /* United States (USASCII) */ 1773 case 'B': /* United States (USASCII) */
1603 break; 1774 break;
1604 case '<': /* Multinational character set */ 1775 case '<': /* Multinational character set */
1605 break; 1776 break;
1606 case '5': /* Finnish character set */ 1777 case '5': /* Finnish character set */
1607 break; 1778 break;
1608 case 'C': /* Finnish character set */ 1779 case 'C': /* Finnish character set */
1609 break; 1780 break;
1610 case 'K': /* German character set */ 1781 case 'K': /* German character set */
1611 break; 1782 break;
1612 } 1783 }
1784#endif
1613} 1785}
1614 1786
1615/* ------------------------------------------------------------------------- */ 1787/* ------------------------------------------------------------------------- */
1616/* 1788/*
1617 * Choose a font 1789 * Choose a font
1618 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1619 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1620 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1621 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1622 */ 1794 */
1623/* EXTPROTO */ 1795void ecb_cold
1624void
1625rxvt_scr_charset_choose(pR_ int set) 1796rxvt_term::scr_charset_choose (int set) noexcept
1626{ 1797{
1627 R->screen.charset = set; 1798 screen.charset = set;
1628 rxvt_set_font_style(aR); 1799 set_font_style ();
1629} 1800}
1630 1801
1631/* ------------------------------------------------------------------------- */ 1802/* ------------------------------------------------------------------------- */
1632/* 1803/*
1633 * Set a font 1804 * Set a font
… …
1635 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1806 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1636 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1637 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1638 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1639 */ 1810 */
1640/* EXTPROTO */
1641void 1811void
1642rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1643{ 1813{
1644 R->charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1645 rxvt_set_font_style(aR); 1815 set_font_style ();
1646} 1816}
1647 1817
1648 1818
1649/* ------------------------------------------------------------------------- * 1819/* ------------------------------------------------------------------------- *
1650 * MAJOR SCREEN MANIPULATION * 1820 * MAJOR SCREEN MANIPULATION *
1651 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1652 1822
1653/* 1823/*
1824 * refresh matching text.
1825 */
1826bool ecb_cold
1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1828{
1829 bool found = false;
1830
1831 for (int i = 0; i < nrow; i++)
1832 {
1833 rend_t *drp = drawn_buf[i].r;
1834
1835 for (int col = 0; col < ncol; col++, drp++)
1836 if ((*drp & mask) == value)
1837 {
1838 found = true;
1839 *drp = ~value;
1840 }
1841 }
1842
1843 return found;
1844}
1845
1846/*
1654 * Refresh an area 1847 * Refresh an area
1655 */ 1848 */
1656enum { 1849enum {
1657 PART_BEG = 0, 1850 PART_BEG = 0,
1658 PART_END, 1851 PART_END,
1659 RC_COUNT 1852 RC_COUNT
1660}; 1853};
1661 1854
1662void 1855void ecb_hot
1663rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1856rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1664{ 1857{
1665 int i; 1858 int i;
1666 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1667 1860
1668 if (drawn_text == NULL) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1669 return; 1862 return;
1670 1863
1671#ifdef DEBUG_STRICT 1864#ifndef NO_SLOW_LINK_SUPPORT
1672 x = max(x, (int)TermWin.int_bwidth); 1865 if (refresh_type == FAST_REFRESH && !display->is_local)
1673 x = min(x, (int)TermWin.width); 1866 {
1674 y = max(y, (int)TermWin.int_bwidth); 1867 y = 0;
1675 y = min(y, (int)TermWin.height); 1868 eheight = height;
1869 }
1676#endif 1870#endif
1677 1871
1678/* round down */ 1872 /* round down */
1679 rc[PART_BEG].col = Pixel2Col(x); 1873 rc[PART_BEG].col = Pixel2Col (x);
1680 rc[PART_BEG].row = Pixel2Row(y); 1874 rc[PART_BEG].row = Pixel2Row (y);
1681/* round up */ 1875 /* round up */
1682 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1876 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1683 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1877 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1684 1878
1685/* sanity checks */ 1879 /* sanity checks */
1686 for (i = PART_BEG; i < RC_COUNT; i++) 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1687 { 1881 {
1688 MIN_IT(rc[i].col, TermWin.ncol - 1); 1882 min_it (rc[i].col, ncol - 1);
1689 MIN_IT(rc[i].row, TermWin.nrow - 1); 1883 min_it (rc[i].row, nrow - 1);
1690 } 1884 }
1691
1692 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));
1693 1885
1694 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1886 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1695 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1887 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1696 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1888
1889 num_scr_allow = 0;
1697 1890
1698 if (refresh) 1891 if (refresh)
1699 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1892 scr_refresh ();
1700} 1893}
1701 1894
1702/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1703/* 1896/*
1704 * Refresh the entire screen 1897 * Refresh the entire screen
1705 */ 1898 */
1706void 1899void
1707rxvt_term::scr_touch (bool refresh) 1900rxvt_term::scr_touch (bool refresh) noexcept
1708{ 1901{
1709 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1710} 1903}
1711 1904
1712/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1713/* 1906/*
1714 * Move the display so that the line represented by scrollbar value Y is at 1907 * Move the display so that the line represented by scrollbar value Y is at
1715 * the top of the screen 1908 * the top of the screen
1716 */ 1909 */
1717/* EXTPROTO */ 1910void
1718int
1719rxvt_scr_move_to(pR_ int y, int len) 1911rxvt_term::scr_move_to (int y, int len) noexcept
1720{ 1912{
1721 long p = 0; 1913 // lerp (y, 0, len, top_row, nrow - 1)
1722 uint16_t oldviewstart; 1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1723
1724 oldviewstart = R->TermWin.view_start;
1725 if (y < len) {
1726 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1727 p -= (long)(R->TermWin.nrow - 1);
1728 p = max(p, 0);
1729 }
1730 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1731 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1732
1733 return rxvt_scr_changeview(aR_ oldviewstart);
1734} 1915}
1735 1916
1736/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1737/* 1918/*
1738 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1739 * direction should be UP or DN 1920 * direction should be UP or DN
1740 */ 1921 */
1741/* EXTPROTO */ 1922bool
1742int 1923rxvt_term::scr_page (int nlines) noexcept
1743rxvt_scr_page(pR_ enum page_dirn direction, int nlines)
1744{ 1924{
1745 int n; 1925 return scr_changeview (view_start - nlines);
1746 uint16_t oldviewstart;
1747
1748 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1749#ifdef DEBUG_STRICT
1750 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1751#endif
1752 oldviewstart = R->TermWin.view_start;
1753 if (direction == UP) {
1754 n = R->TermWin.view_start + nlines;
1755 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1756 } else {
1757 n = R->TermWin.view_start - nlines;
1758 R->TermWin.view_start = max(n, 0);
1759 }
1760 return rxvt_scr_changeview(aR_ oldviewstart);
1761} 1926}
1762 1927
1763/* INTPROTO */ 1928bool
1764int 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1765rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1766{ 1930{
1767 if (R->TermWin.view_start != oldviewstart) { 1931 clamp_it (new_view_start, top_row, 0);
1932
1933 if (new_view_start == view_start)
1934 return false;
1935
1936 num_scr += new_view_start - view_start;
1937 view_start = new_view_start;
1768 R->want_refresh = 1; 1938 want_refresh = 1;
1769#ifdef RXVT_GRAPHICS
1770 if (rxvt_Gr_Displayed(aR))
1771 rxvt_Gr_scroll(aR_ 0);
1772#endif
1773 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1774 }
1775 return (int)(R->TermWin.view_start - oldviewstart);
1776}
1777 1939
1778/* ------------------------------------------------------------------------- */ 1940 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1779/* EXTPROTO */ 1941
1780void 1942 return true;
1781rxvt_scr_bell(pR) 1943}
1782{ 1944
1783#ifndef NO_BELL 1945#ifndef NO_BELL
1946void
1947rxvt_term::bell_cb (ev::timer &w, int revents)
1948{
1949 rvideo_bell = false;
1950 scr_rvideo_mode (rvideo_mode);
1951 refresh_check ();
1952}
1953#endif
1954
1955/* ------------------------------------------------------------------------- */
1956void
1957rxvt_term::scr_bell () noexcept
1958{
1959#ifndef NO_BELL
1960
1784# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1785# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1786 if (R->Options & Opt_mapAlert) 1963 if (option (Opt_mapAlert))
1787# endif 1964# endif
1788 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1965 XMapWindow (dpy, parent);
1789# endif 1966# endif
1790 if (R->Options & Opt_visualBell) { 1967
1791 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1968# if ENABLE_FRILLS
1792 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1969 if (option (Opt_urgentOnBell))
1793 } else 1970 set_urgency (1);
1794 XBell(R->Xdisplay, 0);
1795#endif 1971# endif
1796}
1797 1972
1973 if (option (Opt_visualBell))
1974 {
1975 rvideo_bell = true;
1976 scr_rvideo_mode (rvideo_mode);
1977 flush ();
1978
1979 bell_ev.start (VISUAL_BELL_DURATION);
1980 }
1981 else
1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1984#endif
1985}
1986
1798/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1799/* ARGSUSED */ 1988void ecb_cold
1800/* EXTPROTO */
1801void
1802rxvt_scr_printscreen(pR_ int fullhist) 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1803{ 1990{
1804#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1805 int i, r1, nrows, row_offset; 1992 int nrows, row_start;
1806 text_t *t; 1993 FILE *fd = popen_printer ();
1807 FILE *fd;
1808 1994
1809 if ((fd = rxvt_popen_printer(aR)) == NULL) 1995 if (!fd)
1810 return; 1996 return;
1811 nrows = R->TermWin.nrow; 1997
1812 row_offset = R->TermWin.saveLines;
1813 if (!fullhist) 1998 if (fullhist)
1814 row_offset -= R->TermWin.view_start;
1815 else {
1816 nrows += R->TermWin.nscrolled;
1817 row_offset -= R->TermWin.nscrolled;
1818 } 1999 {
1819 2000 nrows = nrow - top_row;
1820 for (r1 = 0; r1 < nrows; r1++) { 2001 row_start = top_row;
1821 t = R->screen.text[r1 + row_offset]; 2002 }
1822 for (i = R->TermWin.ncol - 1; i >= 0; i--) 2003 else
1823 if (!isspace(t[i]))
1824 break;
1825 fprintf(fd, "%.*s\n", (i + 1), t);
1826 } 2004 {
2005 nrows = nrow;
2006 row_start = view_start;
2007 }
2008
2009 wctomb (0, 0);
2010
2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2012 {
2013 text_t *tp = ROW(r1).t;
2014 int len = ROW(r1).l;
2015
2016 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2017 {
2018 char mb[MB_LEN_MAX];
2019 text_t t = *tp++;
2020 if (t == NOCHAR)
2021 continue;
2022
2023 len = wctomb (mb, t);
2024
2025 if (len <= 0)
2026 {
2027 mb[0] = ' ';
2028 len = 1;
2029 }
2030
2031 fwrite (mb, 1, len, fd);
2032 }
2033
2034 fputc ('\n', fd);
2035 }
2036
1827 rxvt_pclose_printer(fd); 2037 pclose_printer (fd);
1828#endif 2038#endif
1829} 2039}
1830 2040
1831/* ------------------------------------------------------------------------- */ 2041/* ------------------------------------------------------------------------- */
1832/* 2042/*
1833 * Refresh the screen 2043 * Refresh the screen
1834 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
1835 * R->screen.text/R->screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
1836 */ 2046 */
1837 2047void ecb_hot
1838#define FONT_WIDTH(X, Y) \ 2048rxvt_term::scr_refresh () noexcept
1839 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1840#define FONT_RBEAR(X, Y) \
1841 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1842#define FONT_LBEAR(X, Y) \
1843 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1844#define IS_FONT_CHAR(X, Y) \
1845 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1846
1847void
1848rxvt_term::scr_refresh (unsigned char refresh_type)
1849{ 2049{
1850 unsigned char clearfirst, /* first character writes before cell */
1851 clearlast, /* last character writes beyond cell */
1852 must_clear, /* use draw_string not draw_image_string */
1853 rvid, /* reverse video this position */
1854 showcursor; /* show the cursor */
1855 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
1856 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
1857 int cursorwidth;
1858 int i, /* tmp */ 2052 int i; /* tmp */
1859 row_offset; /* basic offset in screen structure */ 2053 rend_t ccol1, /* Cursor colour */
2054 ccol2; /* Cursor colour2 */
2055 rend_t cur_rend;
2056 int cur_col;
2057 int cursorwidth;
2058
2059 want_refresh = 0; /* screen is current */
2060
2061 if (refresh_type == NO_REFRESH || !mapped)
2062 return;
2063
2064 /*
2065 * A: set up vars
2066 */
2067 refresh_count = 0;
2068
2069 unsigned int old_screen_flags = screen.flags;
2070 bool have_bg = 0;
2071#ifdef HAVE_IMG
2072 have_bg = bg_img != 0;
2073#endif
2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2075
2076 /*
2077 * B: reverse any characters which are selected
2078 */
2079 scr_reverse_selection ();
2080
2081 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2082#if ENABLE_OVERLAY
2083 scr_swap_overlay ();
2084#endif
2085
2086 bool showcursor = screen.flags & Screen_VisibleCursor;
2087
2088 /*
2089 * C: set the cursor character (s)
2090 */
2091 {
2092#ifdef CURSOR_BLINK
2093 if (hidden_cursor)
2094 showcursor = 0;
2095#endif
2096
2097 if (showcursor)
2098 {
2099 int col = screen.cur.col;
2100
2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2102 col--;
2103
2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2108
2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2111
1860#ifndef NO_CURSORCOLOR 2112#ifndef NO_CURSORCOLOR
1861 rend_t cc1; /* store colours at cursor position(s) */ 2113 if (ISSET_PIXCOLOR (Color_cursor))
1862 rend_t cc2; /* store colours at cursor position(s) */ 2114 ccol1 = Color_cursor;
1863#endif
1864 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1865 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1866
1867 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1868 return;
1869
1870 /*
1871 * A: set up vars
1872 */
1873 clearfirst = clearlast = must_clear = 0;
1874
1875 if (currmaxcol < TermWin.ncol)
1876 {
1877 currmaxcol = TermWin.ncol;
1878 buffer = (char *)rxvt_realloc (buffer,
1879 sizeof(char) * (currmaxcol + 1) * MB_CUR_MAX);
1880 }
1881
1882 refresh_count = 0;
1883
1884 row_offset = TermWin.saveLines - TermWin.view_start;
1885
1886 if ((refresh_type & REFRESH_BOUNDS))
1887 {
1888 clearfirst = clearlast = 1;
1889 refresh_type &= ~REFRESH_BOUNDS;
1890 }
1891
1892#if defined(XPM_BACKGROUND)
1893 must_clear |= (bgPixmap.pixmap != None);
1894#endif
1895#if defined(TRANSPARENT)
1896 must_clear |= ((Options & Opt_transparent) && am_transparent);
1897#endif
1898 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1899
1900 /*
1901 * B: reverse any characters which are selected
1902 */
1903 rxvt_scr_reverse_selection (this);
1904
1905 /*
1906 * C: set the cursor character(s)
1907 */
1908 {
1909 unsigned char setoldcursor;
1910 rend_t ccol1, /* Cursor colour */
1911 ccol2; /* Cursor colour2 */
1912
1913 showcursor = (screen.flags & Screen_VisibleCursor);
1914 cursorwidth = 0;
1915#ifdef CURSOR_BLINK
1916 if (hidden_cursor)
1917 showcursor = 0;
1918#endif
1919
1920 cursorwidth = 0;
1921
1922 if (showcursor)
1923 { 2115 else
1924 cursorwidth++; 2116#endif
2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2118 ccol1 = fgcolor_of (rstyle);
2119#else
2120 ccol1 = Color_fg;
2121#endif
1925 2122
1926 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1927 [screen.cur.col]);
1928
1929 if (showcursor && TermWin.focus)
1930 {
1931 *srp ^= RS_RVid;
1932#ifndef NO_CURSORCOLOR 2123#ifndef NO_CURSORCOLOR
1933 cc1 = *srp & (RS_fgMask | RS_bgMask);
1934 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor)) 2124 if (ISSET_PIXCOLOR (Color_cursor2))
1935 ccol1 = Color_cursor; 2125 ccol2 = Color_cursor2;
1936 else 2126 else
2127#endif
1937#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2128#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1938 ccol1 = GET_FGCOLOR(rstyle); 2129 ccol2 = bgcolor_of (rstyle);
1939#else 2130#else
1940 ccol1 = Color_fg;
1941#endif
1942 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor2))
1943 ccol2 = Color_cursor2;
1944 else
1945#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1946 ccol2 = GET_BGCOLOR(rstyle);
1947#else
1948 ccol2 = Color_bg; 2131 ccol2 = Color_bg;
1949#endif 2132#endif
1950 *srp = SET_FGCOLOR(*srp, ccol1);
1951 *srp = SET_BGCOLOR(*srp, ccol2);
1952#endif
1953 }
1954 }
1955 2133
1956 /* make sure no outline cursor is left around */ 2134 if (focus && cursor_type == 0)
1957 setoldcursor = 0;
1958 if (ocrow != -1) {
1959 if (screen.cur.row + TermWin.view_start != ocrow
1960 || screen.cur.col != oldcursor.col) {
1961 if (ocrow < TermWin.nrow
1962 && oldcursor.col < TermWin.ncol) {
1963 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
1964 }
1965 if (TermWin.focus || !showcursor)
1966 oldcursor.row = -1;
1967 else
1968 setoldcursor = 1;
1969 } 2135 {
1970 } else if (!TermWin.focus) 2136 rend_t rend = cur_rend;
1971 setoldcursor = 1; 2137
1972 if (setoldcursor) { 2138 rend ^= RS_RVid;
1973 if (screen.cur.row + TermWin.view_start >= TermWin.nrow) 2139 rend = SET_FGCOLOR (rend, ccol1);
1974 oldcursor.row = -1; 2140 rend = SET_BGCOLOR (rend, ccol2);
1975 else { 2141
1976 oldcursor.row = screen.cur.row + TermWin.view_start; 2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1977 oldcursor.col = screen.cur.col;
1978 } 2143 }
1979 } 2144 }
2145
2146 /* make sure no outline cursor is left around */
2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2149
2150 // save the current cursor coordinates if the cursor is visible
2151 // and either the window is unfocused or the cursor style is
2152 // underline or vertical bar, so as to clear the outline cursor in
2153 // the next refresh if the cursor moves or becomes invisible
2154 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2155 {
2156 oldcursor.row = screen.cur.row - view_start;
2157 oldcursor.col = screen.cur.col;
1980 } 2158 }
2159 else
2160 oldcursor.row = -1;
2161 }
1981 2162
1982#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
1983 /* 2164 /*
1984 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
1985 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
1986 */ 2167 */
1987 i = num_scr; 2168 if (!display->is_local
1988 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1989 && abs(i) < TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
1990 { 2171 {
1991 int16_t nits; 2172 int16_t nits;
1992 int j; 2173 int i = num_scr;
1993 rend_t *drp2; 2174 int j;
1994 text_t *dtp2; 2175 int len, wlen;
1995 int len, wlen;
1996 2176
1997 j = TermWin.nrow; 2177 j = nrow;
1998 wlen = len = -1; 2178 wlen = len = -1;
1999 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
2000 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2001 { 2182 {
2002 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2003 { 2184 {
2004 stp = screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
2005 srp = screen.rend[row + row_offset];
2006 dtp = drawn_text[row]; 2186 line_t d = drawn_buf[row];
2007 dtp2 = drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
2008 drp = drawn_rend[row];
2009 drp2 = drawn_rend[row + i];
2010 2188
2011 for (nits = 0, col = TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
2012 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2013 nits--; 2191 nits--;
2014 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2192 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2015 nits++; 2193 nits++;
2016 2194
2017 if (nits > 8) /* XXX: arbitrary choice */ 2195 if (nits > 8) /* XXX: arbitrary choice */
2196 {
2197 for (col = ncol; col--; )
2198 {
2199 *d.t++ = *d2.t++;
2200 *d.r++ = *d2.r++;
2201 }
2202
2203 if (len == -1)
2204 len = row;
2205
2206 wlen = row;
2207 continue;
2208 }
2209 }
2210
2211 if (len >= 0)
2212 {
2213 /* also comes here at end if needed because of >= above */
2214 if (wlen < len)
2215 ::swap (wlen, len);
2216
2217 XGCValues gcv;
2218
2219 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2220 XCopyArea (dpy, vt, vt,
2221 gc, 0, Row2Pixel (len + i),
2222 (unsigned int)this->width,
2223 (unsigned int)Height2Pixel (wlen - len + 1),
2224 0, Row2Pixel (len));
2225 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2226
2227 len = -1;
2228 }
2229 }
2230 }
2231#endif
2232
2233 /*
2234 * E: main pass across every character
2235 */
2236 for (row = 0; row < nrow; row++)
2237 {
2238 text_t *stp = ROW(view_start + row).t;
2239 rend_t *srp = ROW(view_start + row).r;
2240 text_t *dtp = drawn_buf[row].t;
2241 rend_t *drp = drawn_buf[row].r;
2242
2243 /*
2244 * E2: OK, now the real pass
2245 */
2246 int ypixel = (int)Row2Pixel (row);
2247
2248 for (col = 0; col < ncol; col++)
2249 {
2250 /* compare new text with old - if exactly the same then continue */
2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2252 continue;
2253
2254 // redraw one or more characters
2255
2256 // seek to the beginning of wide characters
2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2258 --col;
2259
2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2261 text_t *text = stp + col;
2262 int count = 1;
2263
2264 dtp[col] = stp[col];
2265 drp[col] = rend;
2266
2267 int xpixel = Col2Pixel (col);
2268
2269 for (i = 0; ++col < ncol; )
2270 {
2271 if (stp[col] == NOCHAR)
2272 {
2273 dtp[col] = stp[col];
2274 drp[col] = srp[col];
2275
2276 count++;
2277 i++;
2278
2279 continue;
2280 }
2281
2282 if (!RS_SAME (rend, srp[col]))
2283 break;
2284
2285 count++;
2286
2287 if (stp[col] != dtp[col]
2288 || !RS_SAME (srp[col], drp[col]))
2289 {
2290 if (have_bg && (i++ > count / 2))
2291 break;
2292
2293 dtp[col] = stp[col];
2294 drp[col] = rend;
2295 i = 0;
2296 }
2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2298 break;
2299 }
2300
2301 col--; /* went one too far. move back */
2302 count -= i; /* dump any matching trailing chars */
2303
2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2306 count++, i--;
2307
2308 /*
2309 * Determine the attributes for the string
2310 */
2311 int fore = fgcolor_of (rend); // desired foreground
2312 int back = bgcolor_of (rend); // desired background
2313
2314 // only do special processing if any attributes are set, which is unlikely
2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2316 {
2317 bool invert = rend & RS_RVid;
2318
2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2320 if (rend & RS_Bold && fore == Color_fg)
2321 {
2322 if (ISSET_PIXCOLOR (Color_BD))
2323 fore = Color_BD;
2324# if !ENABLE_STYLES
2325 else
2326 invert = !invert;
2327# endif
2328 }
2329
2330 if (rend & RS_Italic && fore == Color_fg)
2331 {
2332 if (ISSET_PIXCOLOR (Color_IT))
2333 fore = Color_IT;
2334# if !ENABLE_STYLES
2335 else
2336 invert = !invert;
2337# endif
2338 }
2339
2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2341 fore = Color_UL;
2342#endif
2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2362#endif
2363
2364 if (invert)
2365 {
2366 ::swap (fore, back);
2367
2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2369 if (fore == back)
2370 {
2371 fore = Color_bg;
2372 back = Color_fg;
2373 }
2374#endif
2375 }
2376
2377#ifdef TEXT_BLINK
2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2379 {
2380 if (!text_blink_ev.is_active ())
2381 {
2382 text_blink_ev.again ();
2383 hidden_text = 0;
2384 }
2385 else if (hidden_text)
2386 fore = back;
2387 }
2388#endif
2389
2390#if ENABLE_STYLES
2391 // "careful" (too wide) character handling
2392
2393 // include previous careful character(s) if possible, looks nicer (best effort...)
2394 while (text > stp
2395 && srp[text - stp - 1] & RS_Careful
2396 && RS_SAME (rend, srp[text - stp - 1]))
2397 text--, count++, xpixel -= fwidth;
2398
2399 // force redraw after "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2401 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2402
2403 // force redraw before "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2405 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2406#endif
2407 }
2408
2409 /*
2410 * Actually do the drawing of the string here
2411 */
2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2413
2414 if (ecb_likely (have_bg && back == Color_bg))
2415 {
2416 // this is very ugly, maybe push it into ->draw?
2417
2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2419 if (text[i] != ' ')
2018 { 2420 {
2019 for (col = TermWin.ncol; col--; ) 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2020 { 2422 goto did_clear;
2021 *dtp++ = *dtp2++;
2022 *drp++ = *drp2++;
2023 }
2024
2025 if (len == -1)
2026 len = row;
2027
2028 wlen = row;
2029 continue;
2030 } 2423 }
2424
2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2031 } 2427 }
2428 else
2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2032 2430
2033 if (len != -1) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2034 { 2432 {
2035 /* also comes here at end if needed because of >= above */ 2433 if (showcursor && focus && row == screen.cur.row
2036 if (wlen < len) 2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2037 SWAP_IT(wlen, len, int); 2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2038
2039 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2040 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt,
2041 TermWin.gc, 0, Row2Pixel (len + i),
2042 (unsigned int)TermWin_TotalWidth (),
2043 (unsigned int)Height2Pixel (wlen - len + 1),
2044 0, Row2Pixel (len));
2045 len = -1;
2046 }
2047 }
2048 }
2049#endif
2050
2051 /*
2052 * E: main pass across every character
2053 */
2054 for (row = 0; row < TermWin.nrow; row++)
2055 {
2056 stp = screen.text[row + row_offset];
2057 srp = screen.rend[row + row_offset];
2058 dtp = drawn_text[row];
2059 drp = drawn_rend[row];
2060
2061 /*
2062 * E2: OK, now the real pass
2063 */
2064 int ypixel = (int)Row2Pixel(row);
2065
2066 for (col = 0; col < TermWin.ncol; col++)
2067 {
2068 /* compare new text with old - if exactly the same then continue */
2069 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2070
2071 if (stp[col] == dtp[col] /* Must match characters to skip. */
2072 && (rend == drp[col] /* Either rendition the same or */
2073 || (stp[col] == ' ' /* space w/ no background change */
2074 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2075 continue;
2076
2077 text_t *text = stp + col;
2078 int count = 1;
2079
2080 /* redraw one or more characters */
2081
2082 dtp[col] = stp[col];
2083 drp[col] = rend;
2084
2085 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2086 continue;
2087
2088 int xpixel = Col2Pixel(col);
2089
2090 // this loop looks very messy, it can probably be optimized
2091 // and cleaned a bit by you?
2092 for (i = 0; ++col < TermWin.ncol; )
2093 {
2094 if (stp[col] == NOCHAR)
2095 {
2096 dtp[col] = stp[col];
2097 drp[col] = rend;
2098 count++;
2099
2100 if (i) // only possible skip if char unchanged
2101 i++;
2102
2103 continue;
2104 }
2105
2106 if (rend != srp[col])
2107 break;
2108
2109 count++;
2110
2111 if (stp[col] != dtp[col]
2112 || srp[col] != drp[col])
2113 {
2114 if (must_clear && (i++ > (count / 2)))
2115 break;
2116
2117 dtp[col] = stp[col];
2118 drp[col] = rend;
2119 i = 0;
2120 }
2121 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2122 break;
2123 }
2124
2125 col--; /* went one too far. move back */
2126 count -= i; /* dump any matching trailing chars */
2127
2128 /*
2129 * Determine the attributes for the string
2130 */
2131 int fid = GET_FONT (rend);
2132 int fore = GET_FGCOLOR (rend); // desired foreground
2133 int back = GET_BGCOLOR (rend); // desired background
2134
2135 rend = GET_ATTR (rend);
2136
2137 rvid = !!(rend & RS_RVid);
2138#ifdef OPTION_HC
2139 if (!rvid && (rend & RS_Blink))
2140 {
2141 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_HC))
2142 back = Color_HC;
2143 else 2436 else
2144 rvid = !rvid; /* fall back */ 2437#if ENABLE_FRILLS
2438 if (ISSET_PIXCOLOR (Color_underline))
2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2440 else
2441#endif
2442 XSetForeground (dpy, gc, pix_colors[fore]);
2443
2444 XDrawLine (dpy, vt, gc,
2445 xpixel, ypixel + font->ascent + 1,
2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2145 } 2447 }
2146#endif 2448 } /* for (col....) */
2147 if (rvid) 2449 } /* for (row....) */
2450
2451 /*
2452 * G: cleanup cursor and display outline cursor if necessary
2453 */
2454 if (showcursor)
2455 {
2456 if (focus)
2457 {
2458 if (cursor_type == 0)
2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2460 else if (oldcursor.row >= 0)
2148 { 2461 {
2149 SWAP_IT(fore, back, int); 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2463 if (cursor_type == 1)
2464 XFillRectangle (dpy, vt, gc,
2465 Col2Pixel (cur_col),
2466 Row2Pixel (oldcursor.row + 1) - 2,
2467 Width2Pixel (1),
2468 2);
2469 else
2470 XFillRectangle (dpy, vt, gc,
2471 Col2Pixel (cur_col),
2472 Row2Pixel (oldcursor.row),
2473 2,
2474 Height2Pixel (1));
2475 }
2476 }
2477 else if (oldcursor.row >= 0)
2478 {
2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2150 2480
2151#ifndef NO_BOLD_UNDERLINE_REVERSE 2481 XDrawRectangle (dpy, vt, gc,
2152 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_RV) 2482 Col2Pixel (cur_col),
2153# ifndef NO_CURSORCOLOR 2483 Row2Pixel (oldcursor.row),
2154 && !ISSET_PIXCOLOR (this, Color_cursor) 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2485 (unsigned int) (Height2Pixel (1) - 1));
2486 }
2487 }
2488
2489 /*
2490 * H: cleanup selection
2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2497 scr_reverse_selection ();
2498
2499 screen.flags = old_screen_flags;
2500 num_scr = 0;
2501 num_scr_allow = 1;
2502}
2503
2504void ecb_cold
2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2506{
2507 if (!l.valid ())
2508 return;
2509
2510 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2511
2512 for (int i = ncol; i--; )
2513 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2514}
2515
2516void ecb_cold
2517rxvt_term::scr_remap_chars () noexcept
2518{
2519 for (int i = total_rows; i--; )
2520 scr_remap_chars (row_buf [i]);
2521
2522 for (int i = nrow; i--; )
2523 {
2524 scr_remap_chars (drawn_buf [i]);
2525 scr_remap_chars (swap_buf [i]);
2526 }
2527}
2528
2529void ecb_cold
2530rxvt_term::scr_recolor (bool refresh) noexcept
2531{
2532 bool transparent = false;
2533
2534#ifdef HAVE_IMG
2535 if (bg_img != 0)
2536 {
2537# if ENABLE_TRANSPARENCY
2538 if (bg_flags & BG_IS_TRANSPARENT)
2539 {
2540 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2541 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2542
2543 transparent = true;
2544 }
2545 else
2155# endif 2546# endif
2156 )
2157 back = Color_RV;
2158#endif
2159 }
2160#ifndef NO_BOLD_UNDERLINE_REVERSE
2161 else if (rend & RS_Bold)
2162 {
2163 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_BD))
2164 fore = Color_BD;
2165 }
2166 else if (rend & RS_Uline)
2167 {
2168 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_UL))
2169 fore = Color_UL;
2170 }
2171#endif
2172
2173 /*
2174 * Actually do the drawing of the string here
2175 */
2176 rxvt_font *font = (*TermWin.fontset)[fid];
2177
2178 if (back == Color_bg)
2179 {
2180 if (must_clear)
2181 {
2182 for (i = 0; i < count; i++) /* don't draw empty strings */
2183 if (text[i] != ' ')
2184 {
2185 font->draw (xpixel, ypixel, text, count, fore, -1);
2186 goto nodraw;
2187 }
2188
2189 CLEAR_CHARS (xpixel, ypixel, count);
2190nodraw: ;
2191 }
2192 else
2193 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2194 }
2195 else
2196 font->draw (xpixel, ypixel, text, count, fore, back);
2197
2198 if ((rend & RS_Uline) && (font->descent > 1))
2199 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2200 xpixel, ypixel + font->ascent + 1,
2201 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2202 } /* for (col....) */
2203 } /* for (row....) */
2204
2205 /*
2206 * G: cleanup cursor and display outline cursor if necessary
2207 */
2208 if (showcursor) {
2209 if (TermWin.focus) {
2210 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2211 [screen.cur.col]);
2212 *srp ^= RS_RVid;
2213#ifndef NO_CURSORCOLOR
2214 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2215#endif
2216 } else if (oldcursor.row >= 0) {
2217#ifndef NO_CURSORCOLOR
2218 unsigned long gcmask; /* Graphics Context mask */
2219
2220 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor))
2221 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2222#endif
2223 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2224 Col2Pixel(oldcursor.col),
2225 Row2Pixel(oldcursor.row),
2226 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2227 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2228 } 2547 {
2229 } 2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2230 2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2231 /*
2232 * H: cleanup selection
2233 */
2234 rxvt_scr_reverse_selection (this);
2235
2236 /*
2237 * I: other general cleanup
2238 */
2239 if (clearfirst && TermWin.int_bwidth)
2240 /* 2550 }
2241 * clear the whole screen height, note that width == 0 is treated 2551 }
2242 * specially by XClearArea 2552 else
2243 */ 2553#endif
2244 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2554 {
2245 (unsigned int)TermWin.int_bwidth, 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2246 (unsigned int)TermWin_TotalHeight(), False); 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2247 if (clearlast && TermWin.int_bwidth) 2557 }
2248 /*
2249 * clear the whole screen height, note that width == 0 is treated
2250 * specially by XClearArea
2251 */
2252 XClearArea(Xdisplay, TermWin.vt,
2253 TermWin.width + TermWin.int_bwidth, 0,
2254 (unsigned int)TermWin.int_bwidth,
2255 (unsigned int)TermWin_TotalHeight(), False);
2256 if (refresh_type & SMOOTH_REFRESH)
2257 XSync(Xdisplay, False);
2258 2558
2259 num_scr = 0; 2559 XClearWindow (dpy, parent);
2260 num_scr_allow = 1;
2261 want_refresh = 0; /* screen is current */
2262}
2263 2560
2561 if (scrollBar.state && scrollBar.win)
2562 {
2563 if (transparent)
2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2565 else
2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2567 scrollBar.state = SB_STATE_IDLE;
2568 scrollBar.show (0);
2569 }
2570
2571 if (refresh)
2572 {
2573 scr_clear ();
2574 scr_touch (true);
2575 }
2576 want_refresh = 1;
2577}
2578
2264/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2265void 2580void
2266rxvt_term::scr_clear() 2581rxvt_term::scr_clear (bool really) noexcept
2267{ 2582{
2268 if (!TermWin.mapped) 2583 if (!mapped)
2269 return; 2584 return;
2270 2585
2271 num_scr_allow = 0; 2586 num_scr_allow = 0;
2272 want_refresh = 1; 2587 want_refresh = 1;
2273#ifdef TRANSPARENT 2588
2274 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2589 if (really)
2590 XClearWindow (dpy, vt);
2591}
2592
2593void
2594rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2595{
2596 int view_end = view_start + nrow;
2597 int row, col;
2598
2599 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2600 {
2601 text_t *stp = ROW(row).t;
2602 rend_t *srp = ROW(row).r;
2603
2604 for (col = beg_col; col < end_col; col++)
2605 srp[col] ^= rstyle1;
2606
2607 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2608 srp[col] ^= rstyle2;
2609
2610 if (++col < end_col)
2611 srp[col] ^= rstyle2;
2275 { 2612 }
2276 int i; 2613}
2277 2614
2278 if (!(Options & Opt_transparent_all)) 2615void
2616rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2617{
2618 int view_end = view_start + nrow;
2619 int row, col;
2620
2621 if (beg_row >= view_start)
2622 {
2623 col = beg_col;
2624 row = beg_row;
2625 }
2626 else
2627 {
2279 i = 0; 2628 col = 0;
2629 row = view_start;
2630 }
2631
2632 for (; row < min (end_row, view_end); row++, col = 0)
2633 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2634 srp[col] ^= rstyle;
2635
2636 if (row == end_row)
2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2638 srp[col] ^= rstyle;
2639}
2640
2641/* ------------------------------------------------------------------------- */
2642void ecb_hot
2643rxvt_term::scr_reverse_selection () noexcept
2644{
2645 if (selection.op
2646 && current_screen == selection.screen
2647 && selection.end.row >= view_start)
2648 {
2649#if !ENABLE_MINIMAL
2650 if (selection.rect)
2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2652 selection.end.row, selection.end.col,
2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2280 else 2654 else
2281 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2282
2283 while (i--)
2284 if (TermWin.parent[i] != None)
2285 XClearWindow(Xdisplay, TermWin.parent[i]);
2286 }
2287#endif 2655#endif
2288 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2289 XClearWindow (Xdisplay, TermWin.vt); 2657 selection.end.row, selection.end.col,
2290} 2658 RS_Sel | RS_RVid);
2291
2292/* ------------------------------------------------------------------------- */
2293/* INTPROTO */
2294void
2295rxvt_scr_reverse_selection(pR)
2296{
2297 int i, col, row, end_row;
2298 rend_t *srp;
2299
2300 if (R->selection.op && R->current_screen == R->selection.screen) {
2301 end_row = R->TermWin.saveLines - R->TermWin.view_start;
2302 i = R->selection.beg.row + R->TermWin.saveLines;
2303 row = R->selection.end.row + R->TermWin.saveLines;
2304 if (i >= end_row)
2305 col = R->selection.beg.col;
2306 else {
2307 col = 0;
2308 i = end_row;
2309 }
2310 end_row += R->TermWin.nrow;
2311 for (; i < row && i < end_row; i++, col = 0)
2312 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2313#ifndef OPTION_HC
2314 srp[col] ^= RS_RVid;
2315#else
2316 srp[col] ^= RS_Blink;
2317#endif
2318 if (i == row && i < end_row)
2319 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++)
2320#ifndef OPTION_HC
2321 srp[col] ^= RS_RVid;
2322#else
2323 srp[col] ^= RS_Blink;
2324#endif
2325 } 2659 }
2326} 2660}
2327 2661
2328/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2329/* 2663/*
2330 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2331 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2332 */ 2666 */
2333#if 0 2667#if 0
2334/* EXTPROTO */
2335void 2668void
2336rxvt_scr_dump(pR_ int fd) 2669rxvt_term::scr_dump (int fd) noexcept
2337{ 2670{
2338 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2339 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2340 char r1[] = "\n";
2341
2342 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2343 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2344 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2345 : R->TermWin.ncol;
2346 for (towrite = width; towrite; towrite -= wrote) {
2347 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2348 towrite);
2349 if (wrote < 0)
2350 return; /* XXX: death, no report */
2351 }
2352 if (R->screen.tlen[row] >= 0)
2353 if (write(fd, r1, 1) <= 0)
2354 return; /* XXX: death, no report */
2355 }
2356} 2673}
2357#endif 2674#endif
2358 2675
2359/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2360 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2361 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2362
2363/*
2364 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2365 */
2366/* EXTPROTO */
2367void 2679void
2368rxvt_selection_check(pR_ int check_more) 2680rxvt_term::selection_check (int check_more) noexcept
2369{ 2681{
2370 row_col_t pos;
2371
2372 if (!R->selection.op) 2682 if (!selection.op)
2373 return; 2683 return;
2374 2684
2375 pos.row = pos.col = 0; 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2376 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2377 || (R->selection.beg.row >= R->TermWin.nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2378 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2379 || (R->selection.mark.row >= R->TermWin.nrow)
2380 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2381 || (R->selection.end.row >= R->TermWin.nrow)
2382 || (check_more == 1 2688 || (check_more == 1
2383 && R->current_screen == R->selection.screen 2689 && current_screen == selection.screen
2384 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2385 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2386 || (check_more == 2
2387 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2388 && ROWCOL_IS_AFTER(R->selection.end, pos))
2389 || (check_more == 3
2390 && ROWCOL_IS_AFTER(R->selection.end, pos))
2391 || (check_more == 4 /* screen width change */
2392 && (R->selection.beg.row != R->selection.end.row
2393 || R->selection.end.col > R->TermWin.ncol)))
2394 CLEAR_SELECTION(R); 2692 CLEAR_ALL_SELECTION ();
2693}
2694
2695void
2696rxvt_term::selection_changed () noexcept
2697{
2698 line_t &r1 = ROW (selection.beg.row);
2699 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2700 ++selection.beg.col;
2701
2702 line_t &r2 = ROW (selection.end.row);
2703 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2704 ++selection.end.col;
2705
2706 want_refresh = 1;
2395} 2707}
2396 2708
2397/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2398/* 2710/*
2399 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2400 */ 2712 */
2401void 2713void
2402rxvt_term::paste (const unsigned char *data, unsigned int len) 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2403{ 2715{
2404 unsigned int i, j, n;
2405 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2406
2407#if 0
2408 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2409 ZERO_SCROLLBACK (r);
2410#endif
2411
2412 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2413 for (i = 0; i < len; i += PROP_SIZE) 2717 for (unsigned int i = 0; i < len; i++)
2414 { 2718 if (data[i] == C0_LF)
2415 n = min (len - i, PROP_SIZE); 2719 data[i] = C0_CR;
2416 MEMCPY (ds, data + i, n);
2417 2720
2418 for (j = 0; j < n; j++) 2721 #if ENABLE_FRILLS
2419 if (ds[j] == '\n') 2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2420 ds[j] = '\r'; 2723 tt_printf ("\x1b[200~");
2421
2422 tt_write (ds, (int)n);
2423 }
2424
2425 free(ds);
2426}
2427
2428/* ------------------------------------------------------------------------- */
2429/*
2430 * Respond to a notification that a primary selection has been sent
2431 * EXT: SelectionNotify
2432 */
2433/* EXTPROTO */
2434int
2435rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2436{
2437 long nread = 0;
2438 unsigned long bytes_after;
2439 XTextProperty ct;
2440
2441 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait));
2442
2443 if (prop == None) /* check for failed XConvertSelection */
2444 {
2445 if ((R->selection_type & Sel_CompoundText))
2446 {
2447 int selnum = R->selection_type & Sel_whereMask;
2448
2449 R->selection_type = 0;
2450 if (selnum != Sel_direct)
2451 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2452 }
2453
2454 if ((R->selection_type & Sel_UTF8String))
2455 {
2456 int selnum = R->selection_type & Sel_whereMask;
2457
2458 R->selection_type = Sel_CompoundText;
2459 if (selnum != Sel_direct)
2460 rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], selnum);
2461 else
2462 R->selection_type = 0;
2463 }
2464
2465 return 0;
2466 }
2467
2468 for (;;)
2469 {
2470 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2471 (long)(PROP_SIZE / 4), delete_prop,
2472 AnyPropertyType, &ct.encoding, &ct.format,
2473 &ct.nitems, &bytes_after,
2474 &ct.value) != Success)
2475 break;
2476
2477 if (ct.encoding == 0)
2478 {
2479 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2480 break;
2481 }
2482
2483 if (ct.value == NULL)
2484 {
2485 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2486 continue;
2487 }
2488
2489 if (ct.nitems == 0)
2490 {
2491 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2492 if (R->selection_wait == Sel_normal && nread == 0)
2493 {
2494 /*
2495 * pass through again trying CUT_BUFFER0 if we've come from
2496 * XConvertSelection() but nothing was presented
2497 */
2498 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2499 rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False);
2500 }
2501
2502 nread = -1; /* discount any previous stuff */
2503 break;
2504 }
2505
2506 nread += ct.nitems;
2507
2508 char **cl;
2509 int cr;
2510 if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl,
2511 &cr) >= 0 && cl)
2512 {
2513 for (int i = 0; i < cr; i++)
2514 R->paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2515
2516 XFreeStringList (cl);
2517 }
2518 else
2519 R->paste (ct.value, ct.nitems);
2520
2521 if (bytes_after == 0)
2522 break;
2523
2524 XFree (ct.value);
2525 }
2526
2527 if (ct.value)
2528 XFree (ct.value);
2529
2530 if (R->selection_wait == Sel_normal)
2531 R->selection_wait = Sel_none;
2532
2533 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2534 return (int)nread;
2535}
2536
2537void
2538rxvt_term::incr_cb (time_watcher &w)
2539{
2540 selection_wait = Sel_none;
2541
2542 rxvt_print_error ("data loss: timeout on INCR selection paste");
2543}
2544
2545/*
2546 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2547 */
2548/* EXTPROTO */
2549void
2550rxvt_selection_property(pR_ Window win, Atom prop)
2551{
2552 int reget_time = 0;
2553
2554 if (prop == None)
2555 return;
2556 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2557 if (R->selection_wait == Sel_normal) {
2558 int a, afmt;
2559 Atom atype;
2560 unsigned long bytes_after, nitems;
2561 unsigned char *s = NULL;
2562
2563 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False,
2564 R->xa[XA_INCR], &atype, &afmt, &nitems,
2565 &bytes_after, &s);
2566 if (s)
2567 XFree(s);
2568 if (a != Success)
2569 return;
2570#ifndef __CYGWIN32__
2571 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2572 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2573 XDeleteProperty(R->Xdisplay, win, prop);
2574 XFlush(R->Xdisplay);
2575 reget_time = 1;
2576 R->selection_wait = Sel_incr;
2577 }
2578#endif 2724 #endif
2579 } else if (R->selection_wait == Sel_incr) { 2725
2580 reget_time = 1; 2726 tt_write (data, len);
2581 if (rxvt_selection_paste(aR_ win, prop, True) == -1) { 2727
2582 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); 2728 #if ENABLE_FRILLS
2583 R->selection_wait = Sel_none; 2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2584 R->incr_ev.stop (); 2730 tt_printf ("\x1b[201~");
2585 } 2731 #endif
2586 }
2587 if (reget_time) /* received more data so reget time */
2588 R->incr_ev.start (NOW + 10);
2589} 2732}
2733
2734void
2735rxvt_term::paste (char *data, unsigned int len) noexcept
2736{
2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2738 return;
2739
2740 tt_paste (data, len);
2741}
2742
2590/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2591/* 2744/*
2592 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2593 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2594 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2595 * > CUT_BUFFER0
2596 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2597 * will auto fallback to CUT_BUFFER0
2598 * EXT: button 2 release 2748 * EXT: button 2 release
2599 */ 2749 */
2600/* EXTPROTO */
2601void 2750void
2602rxvt_selection_request(pR_ Time tm, int x, int y) 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2603{ 2752{
2604 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2753 if (!selection_req)
2605 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2606 return; /* outside window */
2607
2608 if (R->selection.text != NULL) { /* internal selection */
2609 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2610 R->paste (R->selection.text, R->selection.len);
2611 return;
2612 } else {
2613 int i;
2614
2615 R->selection_request_time = tm;
2616 R->selection_wait = Sel_normal;
2617 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2618#if X_HAVE_UTF8_STRING
2619 R->selection_type = Sel_UTF8String;
2620 if (rxvt_selection_request_other(aR_ R->xa[XA_UTF8_STRING], i))
2621 return;
2622#else
2623 R->selection_type = Sel_CompoundText;
2624 if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i))
2625 return;
2626#endif
2627 }
2628 } 2754 {
2629 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2630 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2756 selection_req->run ();
2631 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2632}
2633
2634/* INTPROTO */
2635int
2636rxvt_selection_request_other(pR_ Atom target, int selnum)
2637{
2638 Atom sel;
2639#ifdef DEBUG_SELECT
2640 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2641#endif
2642
2643 R->selection_type |= selnum;
2644 if (selnum == Sel_Primary)
2645 sel = XA_PRIMARY;
2646 else if (selnum == Sel_Secondary)
2647 sel = XA_SECONDARY;
2648 else
2649 sel = R->xa[XA_CLIPBOARD];
2650 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2651 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2652 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2653 R->TermWin.vt, R->selection_request_time);
2654 return 1;
2655 } 2757 }
2656 return 0;
2657} 2758}
2658 2759
2659/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2660/* 2761/*
2661 * Clear all selected text 2762 * Clear all selected text
2662 * EXT: SelectionClear 2763 * EXT: SelectionClear
2663 */ 2764 */
2664/* EXTPROTO */
2665void 2765void
2666rxvt_selection_clear(pR) 2766rxvt_term::selection_clear (bool clipboard) noexcept
2667{ 2767{
2668 D_SELECT((stderr, "rxvt_selection_clear()")); 2768 if (!clipboard)
2669 2769 {
2670 R->want_refresh = 1; 2770 want_refresh = 1;
2671 if (R->selection.text)
2672 free(R->selection.text); 2771 free (selection.text);
2673 R->selection.text = NULL; 2772 selection.text = NULL;
2674 R->selection.len = 0; 2773 selection.len = 0;
2675 CLEAR_SELECTION(R); 2774 CLEAR_SELECTION ();
2775
2776 if (display->selection_owner == this)
2777 display->selection_owner = 0;
2778 }
2779 else
2780 {
2781 free (selection.clip_text);
2782 selection.clip_text = NULL;
2783 selection.clip_len = 0;
2784
2785 if (display->clipboard_owner == this)
2786 display->clipboard_owner = 0;
2787 }
2676} 2788}
2677 2789
2678/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2679/* 2791/*
2680 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2681 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2682 */ 2794 */
2683/* EXTPROTO */
2684void 2795void
2685rxvt_selection_make(pR_ Time tm) 2796rxvt_term::selection_make (Time tm)
2686{ 2797{
2687 int i, col, end_col, row, end_row; 2798 int size;
2688 unsigned char *new_selection_text; 2799 wchar_t *new_selection_text;
2689 char *str; 2800 text_t *t;
2690 text_t *t;
2691#ifdef ACS_ASCII
2692 rend_t *re;
2693#endif
2694 2801
2695 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2696 switch (R->selection.op) { 2802 switch (selection.op)
2803 {
2697 case SELECTION_CONT: 2804 case SELECTION_CONT:
2698 break; 2805 break;
2699 case SELECTION_INIT: 2806 case SELECTION_INIT:
2700 CLEAR_SELECTION(R); 2807 CLEAR_SELECTION ();
2701 /* FALLTHROUGH */ 2808 /* FALLTHROUGH */
2702 case SELECTION_BEGIN: 2809 case SELECTION_BEGIN:
2703 R->selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2704 /* FALLTHROUGH */ 2811 /* FALLTHROUGH */
2705 default: 2812 default:
2706 return; 2813 return;
2707 } 2814 }
2815
2708 R->selection.op = SELECTION_DONE; 2816 selection.op = SELECTION_DONE;
2709 2817
2710 if (R->selection.clicks == 4) 2818 if (selection.clicks == 4)
2711 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2712 2820
2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2822 return;
2823
2713 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2714 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2715 2826
2716 new_selection_text = (unsigned char *)str; 2827 int ofs = 0;
2828 int extra = 0;
2717 2829
2718 col = R->selection.beg.col; 2830 int col = selection.beg.col;
2719 MAX_IT(col, 0); 2831 int row = selection.beg.row;
2720 row = R->selection.beg.row + R->TermWin.saveLines;
2721 end_row = R->selection.end.row + R->TermWin.saveLines;
2722 2832
2833 int end_col;
2834
2723 for (; row <= end_row; row++, col = 0) 2835 for (; row <= selection.end.row; row++, col = 0)
2836 {
2837#if !ENABLE_MINIMAL
2838 if (selection.rect)
2724 { 2839 {
2725 t = &(R->screen.text[row][col]); 2840 col = selection.beg.col;
2726
2727 end_col = R->screen.tlen[row];
2728
2729 if (end_col == -1)
2730 end_col = R->TermWin.ncol; 2841 end_col = selection.end.col;
2842 }
2843 else
2844#endif
2845 end_col = ROW(row).l;
2731 2846
2847 col = max (col, 0);
2848
2732 if (row == end_row) 2849 if (row == selection.end.row)
2733 MIN_IT (end_col, R->selection.end.col); 2850 min_it (end_col, selection.end.col);
2734 2851
2852 t = ROW(row).t + col;
2853
2735 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
2855 {
2736 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2737 t++; 2857 t++;
2858#if ENABLE_COMBINING
2859 else if (IS_COMPOSE (*t))
2860 {
2861 int len = rxvt_composite.expand (*t);
2862
2863 extra -= (len - 1);
2864
2865 if (extra < 0)
2866 {
2867 extra += size;
2868 size += size;
2869 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2870 }
2871
2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2873 }
2874#endif
2738 else 2875 else
2739 { 2876 new_selection_text[ofs++] = *t++;
2740 int len = wctomb (str, *t++);
2741 if (len > 0)
2742 str += len;
2743 }
2744
2745 if (R->screen.tlen[row] != -1 && row != end_row)
2746 *str++ = '\n';
2747 }
2748
2749#ifndef NO_OLD_SELECTION
2750 if (R->selection_style == OLD_SELECT)
2751 if (end_col == R->TermWin.ncol)
2752 *str++ = '\n';
2753#endif
2754#ifndef NO_NEW_SELECTION
2755 if (R->selection_style != OLD_SELECT)
2756 if (end_col != R->selection.end.col)
2757 *str++ = '\n';
2758#endif
2759 *str = '\0';
2760
2761 i = str - (char *)new_selection_text;
2762 if (i == 0)
2763 {
2764 free (new_selection_text);
2765 return;
2766 }
2767
2768 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2769 if (str - (char *)new_selection_text > 1024)
2770 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2771
2772 R->selection.len = i;
2773
2774 if (R->selection.text)
2775 free (R->selection.text);
2776
2777 R->selection.text = new_selection_text;
2778
2779 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm);
2780 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt)
2781 rxvt_print_error("can't get primary selection");
2782
2783
2784 {
2785 XTextProperty ct;
2786 char *cl = (char *)R->selection.text;
2787
2788 if (XmbTextListToTextProperty(R->Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2789 { 2877 }
2790 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2878
2791 PropModeReplace, ct.value, ct.nitems); 2879#if !ENABLE_MINIMAL
2792 XFree (ct.value); 2880 if (selection.rect)
2881 {
2882 while (ofs
2883 && new_selection_text[ofs - 1] != C0_LF
2884 && unicode::is_space (new_selection_text[ofs - 1]))
2885 --ofs;
2886
2887 new_selection_text[ofs++] = C0_LF;
2793 } 2888 }
2794 else 2889 else
2795 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2890#endif
2796 PropModeReplace, R->selection.text, (int)R->selection.len); 2891 if (!ROW(row).is_longer ()
2892 && (row != selection.end.row || end_col != selection.end.col)
2893 && (row != selection.beg.row || selection.beg.col < ncol))
2894 new_selection_text[ofs++] = C0_LF;
2895 }
2896
2897 new_selection_text[ofs] = 0;
2898
2899 if (ofs == 0)
2797 } 2900 {
2901 free (new_selection_text);
2902 return;
2903 }
2798 2904
2905 free (selection.text);
2906
2907 // we usually allocate much more than necessary, so realloc it smaller again
2908 selection.len = ofs;
2909 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2910
2911 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2912 return;
2913
2914 selection_grab (tm);
2915}
2916
2917bool
2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
2799 R->selection_time = tm; 2924 selection_time = tm;
2800 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2925 sel = XA_PRIMARY;
2926 }
2927 else
2928 {
2929 clipboard_time = tm;
2930 sel = xa[XA_CLIPBOARD];
2931 }
2932
2933 XSetSelectionOwner (dpy, sel, vt, tm);
2934 if (XGetSelectionOwner (dpy, sel) == vt)
2935 {
2936 display->set_selection_owner (this, clipboard);
2937 return true;
2938 }
2939 else
2940 {
2941 selection_clear (clipboard);
2942 return false;
2943 }
2944
2945#if 0
2946 XTextProperty ct;
2947
2948 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2949 {
2950 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2951 XFree (ct.value);
2952 }
2953#endif
2801} 2954}
2802 2955
2803/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
2804/* 2957/*
2805 * Mark or select text based upon number of clicks: 1, 2, or 3 2958 * Mark or select text based upon number of clicks: 1, 2, or 3
2806 * EXT: button 1 press 2959 * EXT: button 1 press
2807 */ 2960 */
2808void 2961void ecb_cold
2809rxvt_term::selection_click (int clicks, int x, int y) 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
2810{ 2963{
2811 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2812
2813 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
2814 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
2815 2966
2967 if (clicks == 2 && !selection.rect
2968 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2969 {
2970 MEvent.clicks = 1; // what a mess
2971 selection.screen = current_screen;
2972 selection.op = SELECTION_CONT;
2973 return;
2974 }
2975
2816 rxvt_selection_start_colrow (this, Pixel2Col(x), Pixel2Row(y)); 2976 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2817 2977
2818 if (clicks == 2 || clicks == 3) 2978 if (clicks == 2 || clicks == 3)
2819 rxvt_selection_extend_colrow (this, selection.mark.col, 2979 selection_extend_colrow (selection.mark.col,
2820 selection.mark.row + TermWin.view_start, 2980 selection.mark.row - view_start,
2821 0, /* button 3 */ 2981 0, /* button 3 */
2822 1, /* button press */ 2982 1, /* button press */
2823 0); /* click change */ 2983 0); /* click change */
2824} 2984}
2825 2985
2826/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
2827/* 2987/*
2828 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
2829 */ 2989 */
2830/* INTPROTO */ 2990void ecb_cold
2831void
2832rxvt_selection_start_colrow(pR_ int col, int row) 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
2833{ 2992{
2834 R->want_refresh = 1; 2993 want_refresh = 1;
2994
2995 selection.mark.row = row + view_start;
2835 R->selection.mark.col = col; 2996 selection.mark.col = col;
2836 R->selection.mark.row = row - R->TermWin.view_start; 2997
2837 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2998 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2838 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 2999 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3000
3001 while (selection.mark.col > 0
3002 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2839 MAX_IT(R->selection.mark.col, 0); 3003 --selection.mark.col;
2840 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2841 3004
2842 if (R->selection.op) { /* clear the old selection */ 3005 if (selection.op)
3006 {
3007 /* clear the old selection */
2843 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3008 selection.beg.row = selection.end.row = selection.mark.row;
2844 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3009 selection.beg.col = selection.end.col = selection.mark.col;
2845 } 3010 }
3011
2846 R->selection.op = SELECTION_INIT; 3012 selection.op = SELECTION_INIT;
2847 R->selection.screen = R->current_screen; 3013 selection.screen = current_screen;
2848} 3014}
2849 3015
2850/* ------------------------------------------------------------------------- */ 3016/* ------------------------------------------------------------------------- */
2851/* 3017/*
2852 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
2853 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
2854 */ 3020 */
2855 3021
2856/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3022/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2857#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
2858 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2859#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
2860 3026
2861/* INTPROTO */ 3027void ecb_cold
2862void
2863rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3028rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2864{ 3029{
2865 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
2866 row_col_t bound; 3031 row_col_t bound;
2867 text_t *stp; 3032 text_t *stp;
2868 rend_t *srp; 3033 rend_t *srp;
2869 3034
2870 if (dirn == UP) { 3035 if (dirn == UP)
2871 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3036 {
3037 bound.row = top_row - 1;
2872 bound.col = 0; 3038 bound.col = 0;
2873 dirnadd = -1; 3039 dirnadd = -1;
2874 } else { 3040 }
2875 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3041 else
3042 {
3043 bound.row = nrow;
2876 bound.col = R->TermWin.ncol - 1; 3044 bound.col = ncol - 1;
2877 dirnadd = 1; 3045 dirnadd = 1;
2878 } 3046 }
2879 row = mark->row + R->TermWin.saveLines; 3047
3048 row = mark->row;
2880 col = mark->col; 3049 col = max (mark->col, 0);
2881 MAX_IT(col, 0); 3050
2882/* find the edge of a word */ 3051 /* find the edge of a word */
2883 stp = &(R->screen.text[row][col]); 3052 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2884 w1 = DELIMIT_TEXT(*stp); 3053 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2885 3054
2886 if (R->selection_style != NEW_SELECT) { 3055 for (;;)
2887 if (w1 == 1) { 3056 {
3057 for (; col != bound.col; col += dirnadd)
3058 {
2888 stp += dirnadd; 3059 stp += dirnadd;
2889 if (DELIMIT_TEXT(*stp) == 1)
2890 goto Old_Word_Selection_You_Die;
2891 col += dirnadd;
2892 }
2893 w1 = 0;
2894 }
2895 srp = (&R->screen.rend[row][col]);
2896 w2 = DELIMIT_REND(*srp);
2897
2898 for (;;) {
2899 for (; col != bound.col; col += dirnadd) {
2900 stp += dirnadd; 3060 srp += dirnadd;
3061
3062 if (*stp == NOCHAR)
3063 continue;
3064
2901 if (DELIMIT_TEXT(*stp) != w1) 3065 if (DELIMIT_TEXT (*stp) != w1)
3066 break;
3067 if (DELIMIT_REND (*srp) != w2)
3068 break;
3069 }
3070
3071 if ((col == bound.col) && (row != bound.row))
3072 {
3073 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3074 {
3075 trow = row + dirnadd;
3076 tcol = dirn == UP ? ncol - 1 : 0;
3077
3078 if (!ROW(trow).t)
2902 break; 3079 break;
2903 srp += dirnadd; 3080
2904 if (DELIMIT_REND(*srp) != w2) 3081 stp = ROW(trow).t + tcol;
3082 srp = ROW(trow).r + tcol;
3083
3084 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2905 break; 3085 break;
2906 } 3086
2907 if ((col == bound.col) && (row != bound.row)) {
2908 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2909 trow = row + dirnadd;
2910 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2911 if (R->screen.text[trow] == NULL)
2912 break;
2913 stp = &(R->screen.text[trow][tcol]);
2914 srp = &(R->screen.rend[trow][tcol]);
2915 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2916 break;
2917 row = trow; 3087 row = trow;
2918 col = tcol; 3088 col = tcol;
2919 continue; 3089 continue;
2920 } 3090 }
2921 } 3091 }
2922 break; 3092 break;
2923 } 3093 }
2924 Old_Word_Selection_You_Die:
2925 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));
2926 3094
2927 if (dirn == DN) 3095 if (dirn == DN)
2928 col++; /* put us on one past the end */ 3096 col++; /* put us on one past the end */
2929 3097
2930/* Poke the values back in */ 3098 /* Poke the values back in */
2931 ret->row = row - R->TermWin.saveLines; 3099 ret->row = row;
2932 ret->col = col; 3100 ret->col = col;
2933} 3101}
2934 3102
2935/* ------------------------------------------------------------------------- */ 3103/* ------------------------------------------------------------------------- */
2936/* 3104/*
2937 * Extend the selection to the specified x/y pixel location 3105 * Extend the selection to the specified x/y pixel location
2938 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
2939 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
2940 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
2941 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
2942 */ 3110 */
2943void 3111void ecb_cold
2944rxvt_term::selection_extend (int x, int y, int flag) 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
2945{ 3113{
2946 int col, row; 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2947 3116
2948 col = Pixel2Col(x);
2949 row = Pixel2Row(y);
2950 MAX_IT(row, 0);
2951 MIN_IT(row, (int)TermWin.nrow - 1);
2952 MAX_IT(col, 0);
2953 MIN_IT(col, (int)TermWin.ncol);
2954
2955#ifndef NO_NEW_SELECTION
2956 /* 3117 /*
2957 * If we're selecting characters (single click) then we must check first 3118 * If we're selecting characters (single click) then we must check first
2958 * if we are at the same place as the original mark. If we are then 3119 * if we are at the same place as the original mark. If we are then
2959 * select nothing. Otherwise, if we're to the right of the mark, you have to 3120 * select nothing. Otherwise, if we're to the right of the mark, you have to
2960 * be _past_ a character for it to be selected. 3121 * be _past_ a character for it to be selected.
2961 */ 3122 */
2962 if (selection_style != OLD_SELECT)
2963 {
2964 if (((selection.clicks % 3) == 1) && !flag 3123 if (((selection.clicks % 3) == 1) && !flag
2965 && (col == selection.mark.col 3124 && (col == selection.mark.col
2966 && (row == selection.mark.row + TermWin.view_start))) 3125 && (row == selection.mark.row - view_start)))
2967 { 3126 {
2968 /* select nothing */ 3127 /* select nothing */
2969 selection.beg.row = selection.end.row = 0; 3128 selection.beg.row = selection.end.row = 0;
2970 selection.beg.col = selection.end.col = 0; 3129 selection.beg.col = selection.end.col = 0;
2971 selection.clicks = 4; 3130 selection.clicks = 4;
2972 want_refresh = 1; 3131 want_refresh = 1;
2973 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2974 return; 3132 return;
2975 }
2976 } 3133 }
2977#endif 3134
2978 if (selection.clicks == 4) 3135 if (selection.clicks == 4)
2979 selection.clicks = 1; 3136 selection.clicks = 1;
2980 3137
2981 rxvt_selection_extend_colrow (this, col, row, !!flag, /* ? button 3 */ 3138 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2982 flag == 1 ? 1 : 0, /* ? button press */ 3139 flag == 1 ? 1 : 0, /* ? button press */
2983 0); /* no click change */ 3140 0); /* no click change */
2984} 3141}
2985 3142
2986/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
2987/* 3144/*
2988 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
2989 */ 3146 */
2990/* INTPROTO */ 3147void ecb_cold
2991void
2992rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3148rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2993{ 3149{
2994 int16_t ncol = R->TermWin.ncol;
2995 int end_col;
2996 row_col_t pos; 3150 row_col_t pos;
2997 enum { 3151 enum {
2998 LEFT, RIGHT 3152 LEFT, RIGHT
2999 } closeto = RIGHT; 3153 } closeto = RIGHT;
3000 3154
3001 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));
3002 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));
3003
3004 R->want_refresh = 1;
3005 switch (R->selection.op) { 3155 switch (selection.op)
3156 {
3006 case SELECTION_INIT: 3157 case SELECTION_INIT:
3007 CLEAR_SELECTION(R); 3158 CLEAR_SELECTION ();
3008 R->selection.op = SELECTION_BEGIN; 3159 selection.op = SELECTION_BEGIN;
3009 /* FALLTHROUGH */ 3160 /* FALLTHROUGH */
3010 case SELECTION_BEGIN: 3161 case SELECTION_BEGIN:
3011 if (row != R->selection.mark.row || col != R->selection.mark.col 3162 if (row != selection.mark.row || col != selection.mark.col
3012 || (!button3 && buttonpress)) 3163 || (!button3 && buttonpress))
3013 R->selection.op = SELECTION_CONT; 3164 selection.op = SELECTION_CONT;
3014 break; 3165 break;
3015 case SELECTION_DONE: 3166 case SELECTION_DONE:
3016 R->selection.op = SELECTION_CONT; 3167 selection.op = SELECTION_CONT;
3017 /* FALLTHROUGH */ 3168 /* FALLTHROUGH */
3018 case SELECTION_CONT: 3169 case SELECTION_CONT:
3019 break; 3170 break;
3020 case SELECTION_CLEAR: 3171 case SELECTION_CLEAR:
3021 rxvt_selection_start_colrow(aR_ col, row); 3172 selection_start_colrow (col, row);
3022 /* FALLTHROUGH */ 3173 /* FALLTHROUGH */
3023 default: 3174 default:
3024 return; 3175 return;
3025 } 3176 }
3177
3026 if (R->selection.beg.col == R->selection.end.col 3178 if (selection.beg.col == selection.end.col
3027 && R->selection.beg.col != R->selection.mark.col 3179 && selection.beg.col != selection.mark.col
3028 && R->selection.beg.row == R->selection.end.row 3180 && selection.beg.row == selection.end.row
3029 && R->selection.beg.row != R->selection.mark.row) { 3181 && selection.beg.row != selection.mark.row)
3182 {
3030 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3183 selection.beg.col = selection.end.col = selection.mark.col;
3031 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3184 selection.beg.row = selection.end.row = selection.mark.row;
3032 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));
3033 } 3185 }
3034 3186
3035 pos.col = col; 3187 pos.col = col;
3036 pos.row = row; 3188 pos.row = view_start + row;
3037 3189
3038 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3190 /*
3039 3191 * This is mainly xterm style selection with a couple of differences, mainly
3040#ifndef NO_OLD_SELECTION 3192 * in the way button3 drag extension works.
3041/* 3193 * We're either doing: button1 drag; button3 press; or button3 drag
3042 * This mimics some of the selection behaviour of version 2.20 and before. 3194 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3043 * There are no ``selection modes'', button3 is always character extension. 3195 * is always at the left/right edge of the selection.
3044 * Note: button3 drag is always available, c.f. v2.20 3196 * b) button3 press: extend/contract character/word/line at whichever edge of
3045 * Selection always terminates (left or right as appropriate) at the mark. 3197 * the selection we are closest to.
3198 * c) button3 drag : extend/contract character/word/line - we select around
3199 * a point/word/line which is either the start or end of the selection
3200 * and it was decided by whichever point/word/line was `fixed' at the
3201 * time of the most recent button3 press
3046 */ 3202 */
3047 if (R->selection_style == OLD_SELECT) { 3203 if (button3 && buttonpress)
3048 if (R->selection.clicks == 1 || button3) { 3204 {
3049 if (R->hate_those_clicks) { 3205 /* button3 press */
3050 R->hate_those_clicks = 0; 3206 /*
3051 if (R->selection.clicks == 1) { 3207 * first determine which edge of the selection we are closest to
3052 R->selection.beg.row = R->selection.mark.row; 3208 */
3053 R->selection.beg.col = R->selection.mark.col; 3209 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3054 } else { 3210 || (!ROWCOL_IS_AFTER (pos, selection.end)
3211 && (((pos.col - selection.beg.col)
3212 + ((pos.row - selection.beg.row) * ncol))
3213 < ((selection.end.col - pos.col)
3214 + ((selection.end.row - pos.row) * ncol)))))
3215 closeto = LEFT;
3216
3217 if (closeto == LEFT)
3218 {
3219 selection.beg.row = pos.row;
3220 selection.beg.col = pos.col;
3221 selection.mark.row = selection.end.row;
3222 selection.mark.col = selection.end.col - (selection.clicks == 2);
3223 }
3224 else
3225 {
3226 selection.end.row = pos.row;
3227 selection.end.col = pos.col;
3055 R->selection.mark.row = R->selection.beg.row; 3228 selection.mark.row = selection.beg.row;
3056 R->selection.mark.col = R->selection.beg.col; 3229 selection.mark.col = selection.beg.col;
3230 }
3231 }
3232 else
3233 {
3234 /* button1 drag or button3 drag */
3235 if (ROWCOL_IS_AFTER (selection.mark, pos))
3236 {
3237 if (selection.mark.row == selection.end.row
3238 && selection.mark.col == selection.end.col
3239 && clickchange
3240 && selection.clicks == 2)
3241 selection.mark.col--;
3242
3243 selection.beg.row = pos.row;
3244 selection.beg.col = pos.col;
3245 selection.end.row = selection.mark.row;
3246 selection.end.col = selection.mark.col + (selection.clicks == 2);
3247 }
3248 else
3249 {
3250 selection.beg.row = selection.mark.row;
3251 selection.beg.col = selection.mark.col;
3252 selection.end.row = pos.row;
3253 selection.end.col = pos.col;
3254 }
3255 }
3256
3257 if (selection.clicks == 1)
3258 {
3259 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3260 && !ROW(selection.beg.row).is_longer ()
3261#if !ENABLE_MINIMAL
3262 && !selection.rect
3263#endif
3264 )
3265 selection.beg.col = ncol;
3266
3267 if (
3268 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3269 && !ROW(selection.end.row).is_longer ()
3270#if !ENABLE_MINIMAL
3271 && !selection.rect
3272#endif
3273 )
3274 selection.end.col = ncol;
3275 }
3276 else if (selection.clicks == 2)
3277 {
3278 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3279 selection.end.col--;
3280
3281 selection_delimit_word (UP, &selection.beg, &selection.beg);
3282 selection_delimit_word (DN, &selection.end, &selection.end);
3283 }
3284 else if (selection.clicks == 3)
3285 {
3286#if ENABLE_FRILLS
3287 if (option (Opt_tripleclickwords))
3288 {
3289 selection_delimit_word (UP, &selection.beg, &selection.beg);
3290
3291 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3292 {
3293 if (!ROW(end_row).is_longer ())
3294 {
3295 selection.end.row = end_row;
3296 selection.end.col = ROW(end_row).l;
3297# if !ENABLE_MINIMAL
3298 selection_remove_trailing_spaces ();
3299# endif
3300 break;
3057 } 3301 }
3058 } 3302 }
3059 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3060 R->selection.end.row = R->selection.mark.row;
3061 R->selection.end.col = R->selection.mark.col + 1;
3062 R->selection.beg.row = pos.row;
3063 R->selection.beg.col = pos.col;
3064 } else {
3065 R->selection.beg.row = R->selection.mark.row;
3066 R->selection.beg.col = R->selection.mark.col;
3067 R->selection.end.row = pos.row;
3068 R->selection.end.col = pos.col + 1;
3069 } 3303 }
3070 } else if (R->selection.clicks == 2) { 3304 else
3071 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3305#endif
3072 &(R->selection.beg)); 3306 {
3073 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3307 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3074 &(R->selection.end)); 3308 selection.mark.col++;
3075 R->hate_those_clicks = 1; 3309
3076 } else if (R->selection.clicks == 3) {
3077 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3078 R->selection.beg.col = 0; 3310 selection.beg.col = 0;
3079 R->selection.end.col = ncol; 3311 selection.end.col = ncol;
3080 R->hate_those_clicks = 1; 3312
3081 } 3313 // select a complete logical line
3082 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)); 3314 while (selection.beg.row > -saveLines
3083 return; 3315 && ROW(selection.beg.row - 1).is_longer ())
3084 } 3316 selection.beg.row--;
3085#endif /* ! NO_OLD_SELECTION */ 3317
3086#ifndef NO_NEW_SELECTION 3318 while (selection.end.row < nrow
3087/* selection_style must not be OLD_SELECT to get here */ 3319 && ROW(selection.end.row).is_longer ())
3088/* 3320 selection.end.row++;
3089 * This is mainly xterm style selection with a couple of differences, mainly
3090 * in the way button3 drag extension works.
3091 * We're either doing: button1 drag; button3 press; or button3 drag
3092 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3093 * is always at the left/right edge of the R->selection.
3094 * b) button3 press: extend/contract character/word/line at whichever edge of
3095 * the selection we are closest to.
3096 * c) button3 drag : extend/contract character/word/line - we select around
3097 * a point/word/line which is either the start or end of the selection
3098 * and it was decided by whichever point/word/line was `fixed' at the
3099 * time of the most recent button3 press
3100 */
3101 if (button3 && buttonpress) { /* button3 press */
3102 /* 3321 }
3103 * first determine which edge of the selection we are closest to 3322 }
3104 */ 3323
3105 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3324 if (button3 && buttonpress)
3106 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3325 {
3107 && (((pos.col - R->selection.beg.col) 3326 /* mark may need to be changed */
3108 + ((pos.row - R->selection.beg.row) * ncol))
3109 < ((R->selection.end.col - pos.col)
3110 + ((R->selection.end.row - pos.row) * ncol)))))
3111 closeto = LEFT;
3112 if (closeto == LEFT) { 3327 if (closeto == LEFT)
3113 R->selection.beg.row = pos.row; 3328 {
3114 R->selection.beg.col = pos.col;
3115 R->selection.mark.row = R->selection.end.row; 3329 selection.mark.row = selection.end.row;
3116 R->selection.mark.col = R->selection.end.col 3330 selection.mark.col = selection.end.col - (selection.clicks == 2);
3117 - (R->selection.clicks == 2); 3331 }
3118 } else { 3332 else
3119 R->selection.end.row = pos.row; 3333 {
3120 R->selection.end.col = pos.col;
3121 R->selection.mark.row = R->selection.beg.row; 3334 selection.mark.row = selection.beg.row;
3122 R->selection.mark.col = R->selection.beg.col; 3335 selection.mark.col = selection.beg.col;
3123 }
3124 } else { /* button1 drag or button3 drag */
3125 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3126 if ((R->selection.mark.row == R->selection.end.row)
3127 && (R->selection.mark.col == R->selection.end.col)
3128 && clickchange && R->selection.clicks == 2)
3129 R->selection.mark.col--;
3130 R->selection.beg.row = pos.row;
3131 R->selection.beg.col = pos.col;
3132 R->selection.end.row = R->selection.mark.row;
3133 R->selection.end.col = R->selection.mark.col
3134 + (R->selection.clicks == 2);
3135 } else {
3136 R->selection.beg.row = R->selection.mark.row;
3137 R->selection.beg.col = R->selection.mark.col;
3138 R->selection.end.row = pos.row;
3139 R->selection.end.col = pos.col;
3140 }
3141 }
3142
3143 if (R->selection.clicks == 1) {
3144 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3145 if (end_col != -1 && R->selection.beg.col > end_col) {
3146#if 1
3147 R->selection.beg.col = ncol;
3148#else
3149 if (R->selection.beg.row != R->selection.end.row)
3150 R->selection.beg.col = ncol;
3151 else
3152 R->selection.beg.col = R->selection.mark.col;
3153#endif
3154 }
3155 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3156 if (end_col != -1 && R->selection.end.col > end_col)
3157 R->selection.end.col = ncol;
3158
3159 } else if (R->selection.clicks == 2) {
3160 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3161 R->selection.end.col--;
3162 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3163 &(R->selection.beg));
3164 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3165 &(R->selection.end));
3166 } else if (R->selection.clicks == 3) {
3167#ifndef NO_FRILLS
3168 if ((R->Options & Opt_tripleclickwords)) {
3169 int end_row;
3170
3171 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3172 &(R->selection.beg));
3173 end_row = R->screen.tlen[R->selection.mark.row
3174 + R->TermWin.saveLines];
3175 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3176 end_row++) {
3177 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3178 if (end_col != -1) {
3179 R->selection.end.row = end_row;
3180 R->selection.end.col = end_col;
3181 rxvt_selection_remove_trailing_spaces(aR);
3182 break;
3183 }
3184 }
3185 } else
3186#endif
3187 { 3336 }
3188 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3189 R->selection.mark.col++;
3190 R->selection.beg.col = 0;
3191 R->selection.end.col = ncol;
3192 }
3193 } 3337 }
3194 if (button3 && buttonpress) { /* mark may need to be changed */
3195 if (closeto == LEFT) {
3196 R->selection.mark.row = R->selection.end.row;
3197 R->selection.mark.col = R->selection.end.col
3198 - (R->selection.clicks == 2);
3199 } else {
3200 R->selection.mark.row = R->selection.beg.row;
3201 R->selection.mark.col = R->selection.beg.col;
3202 }
3203 }
3204 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));
3205#endif /* ! NO_NEW_SELECTION */
3206}
3207 3338
3208#ifndef NO_FRILLS 3339#if !ENABLE_MINIMAL
3209/* INTPROTO */ 3340 if (selection.rect && selection.beg.col > selection.end.col)
3210void 3341 ::swap (selection.beg.col, selection.end.col);
3342#endif
3343
3344 selection_changed ();
3345}
3346
3347#if !ENABLE_MINIMAL
3348void ecb_cold
3211rxvt_selection_remove_trailing_spaces(pR) 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3212{ 3350{
3213 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3214 text_t *stp; 3352 text_t *stp;
3215 3353
3216 end_col = R->selection.end.col; 3354 end_col = selection.end.col;
3217 end_row = R->selection.end.row; 3355 end_row = selection.end.row;
3356
3218 for ( ; end_row >= R->selection.beg.row; ) { 3357 for (; end_row >= selection.beg.row; )
3219 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3358 {
3359 stp = ROW(end_row).t;
3360
3220 while (--end_col >= 0) { 3361 while (--end_col >= 0)
3221 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3222 break;
3223 } 3362 {
3224 if (end_col >= 0 3363 if (stp[end_col] != NOCHAR
3225 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3364 && !unicode::is_space (stp[end_col]))
3226 R->selection.end.col = end_col + 1;
3227 R->selection.end.row = end_row;
3228 break; 3365 break;
3229 } 3366 }
3367
3368 if (end_col >= 0
3369 || !ROW(end_row - 1).is_longer ())
3370 {
3371 selection.end.col = end_col + 1;
3372 selection.end.row = end_row;
3373 break;
3374 }
3375
3230 end_row--; 3376 end_row--;
3231 end_col = R->TermWin.ncol; 3377 end_col = ncol;
3232 } 3378 }
3379
3233 if (R->selection.mark.row > R->selection.end.row) { 3380 if (selection.mark.row > selection.end.row)
3381 {
3234 R->selection.mark.row = R->selection.end.row; 3382 selection.mark.row = selection.end.row;
3235 R->selection.mark.col = R->selection.end.col; 3383 selection.mark.col = selection.end.col;
3384 }
3236 } else if (R->selection.mark.row == R->selection.end.row 3385 else if (selection.mark.row == selection.end.row
3237 && R->selection.mark.col > R->selection.end.col) 3386 && selection.mark.col > selection.end.col)
3238 R->selection.mark.col = R->selection.end.col; 3387 selection.mark.col = selection.end.col;
3239} 3388}
3240#endif 3389#endif
3241 3390
3242/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3243/* 3392/*
3244 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3245 * EXT: button 3 double click 3394 * EXT: button 3 double click
3246 */ 3395 */
3247void 3396void ecb_cold
3248rxvt_term::selection_rotate (int x, int y) 3397rxvt_term::selection_rotate (int x, int y) noexcept
3249{ 3398{
3250 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3251 rxvt_selection_extend_colrow (this, Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3252} 3401}
3253
3254/* ------------------------------------------------------------------------- */
3255/*
3256 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3257 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3258 * the X11 protocol.
3259 */
3260typedef CARD32 Atom32;
3261 3402
3262/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3263/* 3404/*
3264 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3265 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3266 */ 3407 */
3267/* EXTPROTO */ 3408void ecb_cold
3268void
3269rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3270{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3271 XSelectionEvent ev; 3412 XSelectionEvent ev;
3272 XTextProperty ct;
3273 XICCEncodingStyle style;
3274 Atom target;
3275 3413
3276 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3277 ev.property = None; 3415 ev.property = None;
3278 ev.display = rq->display; 3416 ev.display = rq.display;
3279 ev.requestor = rq->requestor; 3417 ev.requestor = rq.requestor;
3280 ev.selection = rq->selection; 3418 ev.selection = rq.selection;
3281 ev.target = rq->target; 3419 ev.target = rq.target;
3282 ev.time = rq->time; 3420 ev.time = rq.time;
3283 3421
3284 if (rq->target == R->xa[XA_TARGETS]) { 3422 if (rq.target == xa[XA_TARGETS])
3423 {
3285 Atom32 target_list[5]; 3424 Atom target_list[6];
3286 Atom32 *target = target_list; 3425 Atom *target = target_list;
3287 3426
3288 *target++ = (Atom32) R->xa[XA_TARGETS]; 3427 *target++ = xa[XA_TARGETS];
3428 *target++ = xa[XA_TIMESTAMP];
3289 *target++ = (Atom32) XA_STRING; 3429 *target++ = XA_STRING;
3290 *target++ = (Atom32) R->xa[XA_TEXT]; 3430 *target++ = xa[XA_TEXT];
3291 *target++ = (Atom32) R->xa[XA_COMPOUND_TEXT]; 3431 *target++ = xa[XA_COMPOUND_TEXT];
3292#if X_HAVE_UTF8_STRING 3432#if X_HAVE_UTF8_STRING
3293 *target++ = (Atom32) R->xa[XA_UTF8_STRING]; 3433 *target++ = xa[XA_UTF8_STRING];
3294#endif 3434#endif
3435
3295 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM, 3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3296 (8 * sizeof(target_list[0])), PropModeReplace, 3437 32, PropModeReplace,
3297 (unsigned char *)target_list, 3438 (unsigned char *)target_list, target - target_list);
3298 target - target_list);
3299 ev.property = rq->property; 3439 ev.property = property;
3440 }
3441#if TODO // TODO
3300 } else if (rq->target == R->xa[XA_MULTIPLE]) { 3442 else if (rq.target == xa[XA_MULTIPLE])
3443 {
3301 /* TODO: Handle MULTIPLE */ 3444 /* TODO: Handle MULTIPLE */
3302 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) { 3445 }
3303 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3446#endif
3304 (8 * sizeof(Time)), PropModeReplace, 3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3448 {
3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3305 (unsigned char *)&R->selection_time, 1); 3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3306 ev.property = rq->property; 3451 ev.property = property;
3452 }
3453 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3454 {
3455 XChangeProperty (dpy, rq.requestor, property, rq.target,
3456 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3457 ev.property = property;
3458 }
3307 } else if (rq->target == XA_STRING 3459 else if (rq.target == XA_STRING
3308 || rq->target == R->xa[XA_TEXT] 3460 || rq.target == xa[XA_TEXT]
3309 || rq->target == R->xa[XA_COMPOUND_TEXT] 3461 || rq.target == xa[XA_COMPOUND_TEXT]
3310 || rq->target == R->xa[XA_UTF8_STRING] 3462 || rq.target == xa[XA_UTF8_STRING]
3311 ) { 3463 )
3464 {
3465 XTextProperty ct;
3466 Atom target = rq.target;
3312 short freect = 0; 3467 short freect = 0;
3313 int selectlen; 3468 int selectlen;
3314 char *cl; 3469 wchar_t *cl;
3470 enum {
3471 enc_string = XStringStyle,
3472 enc_text = XStdICCTextStyle,
3473 enc_compound_text = XCompoundTextStyle,
3474#ifdef X_HAVE_UTF8_STRING
3475 enc_utf8 = XUTF8StringStyle,
3476#else
3477 enc_utf8 = -1,
3478#endif
3479 } style;
3315 3480
3316 target = rq->target;
3317
3318 if (target == XA_STRING) 3481 if (target == XA_STRING)
3319 // we actually don't do XA_STRING, but who cares, as i18n clients 3482 // we actually don't do XA_STRING, but who cares, as i18n clients
3320 // will ask for another format anyways. 3483 // will ask for another format anyways.
3321 style = XStringStyle; 3484 style = enc_string;
3322 else if (target == R->xa[XA_TEXT]) 3485 else if (target == xa[XA_TEXT])
3323 style = XTextStyle; 3486 style = enc_text;
3324 else if (target == R->xa[XA_COMPOUND_TEXT]) 3487 else if (target == xa[XA_COMPOUND_TEXT])
3325 style = XCompoundTextStyle; 3488 style = enc_compound_text;
3326#if X_HAVE_UTF8_STRING 3489#if !ENABLE_MINIMAL
3327 else if (target == R->xa[XA_UTF8_STRING]) 3490 else if (target == xa[XA_UTF8_STRING])
3328 style = XUTF8StringStyle; 3491 style = enc_utf8;
3329#endif 3492#endif
3330 else 3493 else
3331 { 3494 {
3332 target = R->xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3333 style = XCompoundTextStyle; 3496 style = enc_compound_text;
3334 } 3497 }
3335 3498
3336 if (R->selection.text) { 3499 if (rq.selection == XA_PRIMARY && selection.text)
3500 {
3337 cl = (char *)R->selection.text; 3501 cl = selection.text;
3338 selectlen = R->selection.len; 3502 selectlen = selection.len;
3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3339 } else { 3509 else
3340 cl = ""; 3510 {
3511 cl = (wchar_t *)L"";
3341 selectlen = 0; 3512 selectlen = 0;
3513 }
3514
3515#if !ENABLE_MINIMAL
3516 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3517 // so recode it manually
3518 if (style == enc_utf8)
3342 } 3519 {
3343
3344 if (XmbTextListToTextProperty(R->Xdisplay, &cl, 1, style, &ct) >= 0)
3345 freect = 1; 3520 freect = 1;
3521 ct.encoding = target;
3522 ct.format = 8;
3523 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3524 ct.nitems = strlen ((char *)ct.value);
3525 }
3346 else 3526 else
3527#endif
3528 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3529 freect = 1;
3530 else
3347 { 3531 {
3348 /* if we failed to convert then send it raw */ 3532 /* if we failed to convert then send it raw */
3349 ct.value = (unsigned char *)cl; 3533 ct.value = (unsigned char *)cl;
3350 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3535 ct.encoding = target;
3351 } 3536 }
3352 3537
3353 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3538 XChangeProperty (dpy, rq.requestor, property,
3354 target, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3355 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3356 ev.property = rq->property; 3541 ev.property = property;
3357 3542
3358 if (freect) 3543 if (freect)
3359 XFree (ct.value); 3544 XFree (ct.value);
3360 } 3545 }
3546
3361 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3362} 3548}
3363 3549
3364/* ------------------------------------------------------------------------- * 3550/* ------------------------------------------------------------------------- */
3365 * MOUSE ROUTINES *
3366 * ------------------------------------------------------------------------- */
3367
3368/*
3369 * return col/row values corresponding to x/y pixel values
3370 */
3371void
3372rxvt_term::pixel_position (int *x, int *y)
3373{
3374 *x = Pixel2Col(*x);
3375 /* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3376 *y = Pixel2Row(*y);
3377 /* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3378}
3379
3380/* ------------------------------------------------------------------------- */
3381#ifdef USE_XIM 3551#if USE_XIM
3382void 3552void ecb_cold
3383rxvt_term::set_position (XPoint *pos) 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3384{ 3554{
3385 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3386 3556
3387 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3558
3388 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3559 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3389 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3560 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3390} 3561}
3391
3392#endif 3562#endif
3393/* ------------------------------------------------------------------------- */ 3563
3394 3564#if ENABLE_OVERLAY
3565void
3566rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3567{
3568 if (nrow < 1 || ncol < 1)
3569 return;
3570
3571 want_refresh = 1;
3572
3573 scr_overlay_off ();
3574
3575 if (x < 0) x = ncol - w;
3576 if (y < 0) y = nrow - h;
3577
3578 // make space for border
3579 w += 2; min_it (w, ncol);
3580 h += 2; min_it (h, nrow);
3581
3582 x -= 1; clamp_it (x, 0, ncol - w);
3583 y -= 1; clamp_it (y, 0, nrow - h);
3584
3585 ov.x = x; ov.y = y;
3586 ov.w = w; ov.h = h;
3587
3588 ov.text = new text_t *[h];
3589 ov.rend = new rend_t *[h];
3590
3591 for (y = 0; y < h; y++)
3592 {
3593 text_t *tp = ov.text[y] = new text_t[w];
3594 rend_t *rp = ov.rend[y] = new rend_t[w];
3595
3596 text_t t0, t1, t2;
3597 rend_t r = OVERLAY_RSTYLE;
3598
3599 if (y == 0)
3600 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3601 else if (y < h - 1)
3602 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3603 else
3604 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3605
3606 *tp++ = t0;
3607 *rp++ = r;
3608
3609 for (x = w - 2; x > 0; --x)
3610 {
3611 *tp++ = t1;
3612 *rp++ = r;
3613 }
3614
3615 *tp = t2;
3616 *rp = r;
3617 }
3618}
3619
3620void
3621rxvt_term::scr_overlay_off () noexcept
3622{
3623 if (!ov.text)
3624 return;
3625
3626 want_refresh = 1;
3627
3628 for (int y = 0; y < ov.h; y++)
3629 {
3630 delete [] ov.text[y];
3631 delete [] ov.rend[y];
3632 }
3633
3634 delete [] ov.text; ov.text = 0;
3635 delete [] ov.rend; ov.rend = 0;
3636}
3637
3638void
3639rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3640{
3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3642 return;
3643
3644 x++, y++;
3645
3646 ov.text[y][x] = text;
3647 ov.rend[y][x] = rend;
3648}
3649
3650void
3651rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3652{
3653 while (*s)
3654 scr_overlay_set (x++, y, *s++);
3655}
3656
3657void
3658rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3659{
3660 while (*s)
3661 {
3662 text_t t = *s++;
3663 int width = WCWIDTH (t);
3664
3665 while (width--)
3666 {
3667 scr_overlay_set (x++, y, t);
3668 t = NOCHAR;
3669 }
3670 }
3671}
3672
3673void
3674rxvt_term::scr_swap_overlay () noexcept
3675{
3676 if (!ov.text)
3677 return;
3678
3679 // hide cursor if it is within the overlay area
3680 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3681 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3682 screen.flags &= ~Screen_VisibleCursor;
3683
3684 // swap screen mem with overlay
3685 for (int y = ov.h; y--; )
3686 {
3687 text_t *t1 = ov.text[y];
3688 rend_t *r1 = ov.rend[y];
3689
3690 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3691 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3692
3693 for (int x = ov.w; x--; )
3694 {
3695 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3696 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3697 }
3698 }
3699}
3700
3701#endif
3395/* ------------------------------------------------------------------------- * 3702/* ------------------------------------------------------------------------- */
3396 * DEBUG ROUTINES *
3397 * ------------------------------------------------------------------------- */
3398#if 0
3399/* INTPROTO */
3400void
3401rxvt_debug_colors(void)
3402{
3403 int color;
3404 const char *name[] = {
3405 "fg", "bg",
3406 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3407 };
3408 3703
3409 fprintf(stderr, "Color ( ");
3410 if (R->rstyle & RS_RVid)
3411 fprintf(stderr, "rvid ");
3412 if (R->rstyle & RS_Bold)
3413 fprintf(stderr, "bold ");
3414 if (R->rstyle & RS_Blink)
3415 fprintf(stderr, "blink ");
3416 if (R->rstyle & RS_Uline)
3417 fprintf(stderr, "uline ");
3418 fprintf(stderr, "): ");
3419
3420 color = GET_FGCOLOR(R->rstyle);
3421#ifndef NO_BRIGHTCOLOR
3422 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3423 color -= (minBrightCOLOR - minCOLOR);
3424 fprintf(stderr, "bright ");
3425 }
3426#endif
3427 fprintf(stderr, "%s on ", name[color]);
3428
3429 color = GET_BGCOLOR(R->rstyle);
3430#ifndef NO_BRIGHTCOLOR
3431 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3432 color -= (minBrightCOLOR - minCOLOR);
3433 fprintf(stderr, "bright ");
3434 }
3435#endif
3436 fprintf(stderr, "%s\n", name[color]);
3437}
3438#endif

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