ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/screen.C
(Generate patch)

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.10 by pcg, Thu Dec 18 08:06:46 2003 UTC vs.
Revision 1.468 by root, Mon Aug 8 09:47:56 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.10 2003/12/18 08:06:46 pcg Exp $
5 * 4 *
6 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
17 * 18 *
18 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
22/* 24/*
23 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
24 */ 26 */
25 27
26#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
27#define INTERN_SCREEN
28#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
29#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
30 31
31#include <X11/Xmd.h> /* get the typedef for CARD32 */
32
33#include <stdint.h> 32#include <inttypes.h>
34#include <wchar.h>
35 33
36#include "salloc.C" // HACK!! 34static inline void
37
38inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
39{ 36{
40 while (len--) 37 while (len--)
41 *start++ = value; 38 *start++ = value;
42} 39}
43 40
44/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
45#define PROP_SIZE 16384
46#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
47 43
48/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
50 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
51#define ZERO_SCROLLBACK(R) \ 47#define ZERO_SCROLLBACK() \
52 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
53 (R)->TermWin.view_start = 0 49 view_start = 0
54#define CLEAR_SELECTION(R) \ 50#define CLEAR_SELECTION() \
55 (R)->selection.beg.row = (R)->selection.beg.col \ 51 selection.beg.row = selection.beg.col \
56 = (R)->selection.end.row = (R)->selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
57#define CLEAR_ALL_SELECTION(R) \ 53#define CLEAR_ALL_SELECTION() \
58 (R)->selection.beg.row = (R)->selection.beg.col \ 54 selection.beg.row = selection.beg.col \
59 = (R)->selection.mark.row = (R)->selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
60 = (R)->selection.end.row = (R)->selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
61 57
62#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
63 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
64#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
65 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
66#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
67 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
68#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
69 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
70#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
71 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
72#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
73 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
74 70
75/* these must be row_col_t */ 71/* these must be row_col_t */
76#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
77 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
78#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
79 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
80#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
81 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
82#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
83 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
84#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
85 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 81 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
86#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
87 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
88 84
89/* 85/*
90 * CLEAR_ROWS : clear <num> rows starting from row <row>
91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
92 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
93 */ 87 */
94#define drawBuffer (R->TermWin.vt)
95
96#define CLEAR_ROWS(row, num) \
97 if (R->TermWin.mapped) \
98 XClearArea(R->Xdisplay, drawBuffer, R->TermWin.int_bwidth, \
99 Row2Pixel(row), (unsigned int)R->TermWin.width, \
100 (unsigned int)Height2Pixel(num), False)
101
102#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
103 if (R->TermWin.mapped) \ 89 if (mapped) \
104 XClearArea(R->Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
105 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
106 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
107
108#define ERASE_ROWS(row, num) \
109 XFillRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, \
110 R->TermWin.int_bwidth, Row2Pixel(row), \
111 (unsigned int)R->TermWin.width, \
112 (unsigned int)Height2Pixel(num))
113 93
114/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
115 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
116 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
117/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
118void 99void
119rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
120{ 101{
121 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
122 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;
123 116
124 while (width--) 117 while (width--)
125 { 118 {
126 *et++ = ' '; 119 *et++ = ' ';
127 *er++ = efs; 120 *er++ = efs;
… …
129} 122}
130 123
131/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
132/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
133void 126void
134rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
135{ 128{
136#ifdef DEBUG_STRICT 129 scr_blank_line (l, 0, ncol, efs);
137 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
138#endif
139 if (tp[row] == NULL)
140 {
141 tp[row] = (text_t *)talloc->alloc ();
142 rp[row] = (rend_t *)ralloc->alloc ();
143 }
144 130
145 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 131 l.l = 0;
132 l.f = 0;
133}
134
135// nuke a single wide character at the given column
136void
137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_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);
146} 164}
147 165
148/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
149 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
150 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169
151void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
152rxvt_term::scr_reset () 215rxvt_term::scr_reset ()
153{ 216{
154 unsigned int ncol, nrow, total_rows, prev_total_rows; 217#if ENABLE_OVERLAY
155 unsigned int p, q; 218 scr_overlay_off ();
156 int k; 219#endif
157 rend_t setrstyle;
158 220
159 D_SCREEN((stderr, "rxvt_scr_reset()"));
160
161 TermWin.view_start = 0; 221 view_start = 0;
162 num_scr = 0; 222 num_scr = 0;
163 223
164 if (TermWin.ncol == 0) 224 if (ncol == 0)
165 TermWin.ncol = 80; 225 ncol = 80;
166 226
167 if (TermWin.nrow == 0) 227 if (nrow == 0)
168 TermWin.nrow = 24; 228 nrow = 24;
169
170 ncol = TermWin.ncol;
171 nrow = TermWin.nrow;
172 229
173 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
174 return; 231 return;
175 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
176 want_refresh = 1; 242 want_refresh = 1;
177 243
244 int prev_total_rows = prev_nrow + saveLines;
178 total_rows = nrow + TermWin.saveLines; 245 total_rows = nrow + saveLines;
179 prev_total_rows = prev_nrow + TermWin.saveLines;
180 246
181 screen.tscroll = 0; 247 screen.tscroll = 0;
182 screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
183 249
184 if (!talloc) 250 void *prev_chunk = chunk;
185 { 251 size_t prev_chunk_size = chunk_size;
186 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 252 line_t *prev_drawn_buf = drawn_buf;
187 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 253 line_t *prev_swap_buf = swap_buf;
254 line_t *prev_row_buf = row_buf;
255
256 scr_alloc ();
257
258 if (!prev_row_buf)
188 } 259 {
189 260 top_row = 0;
190 if (prev_nrow == 0) 261 term_start = 0;
191 {
192 /*
193 * first time called so just malloc everything : don't rely on realloc
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */
196 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
198 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
200 262
201 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
202 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
203
204 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
206 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
208
209 for (p = 0; p < nrow; p++)
210 {
211 q = p + TermWin.saveLines;
212 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
214 screen.tlen[q] = swap.tlen[p] = 0;
215 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
216 }
217
218 MEMSET(charsets, 'B', sizeof(charsets)); 263 memset (charsets, 'B', sizeof (charsets));
219 TermWin.nscrolled = 0; /* no saved lines */
220 rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
223 screen.charset = 0; 267 screen.charset = 0;
224 current_screen = PRIMARY; 268 current_screen = PRIMARY;
225 rxvt_scr_cursor (this, SAVE); 269 scr_cursor (SAVE);
226 270
227#if NSCREENS 271#if NSCREENS
228 swap.flags = Screen_DefaultFlags; 272 swap.flags = Screen_DefaultFlags;
229 swap.cur.row = swap.cur.col = 0; 273 swap.cur.row = swap.cur.col = 0;
230 swap.charset = 0; 274 swap.charset = 0;
231 current_screen = SECONDARY; 275 current_screen = SECONDARY;
232 rxvt_scr_cursor (this, SAVE); 276 scr_cursor (SAVE);
233 current_screen = PRIMARY; 277 current_screen = PRIMARY;
234#endif 278#endif
235 279
236 selection.text = NULL; 280 selection.text = NULL;
237 selection.len = 0; 281 selection.len = 0;
238 selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
239 selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
240 selection.clicks = 0; 284 selection.clicks = 0;
241 CLEAR_ALL_SELECTION (this); 285 selection.clip_text = NULL;
242 rvideo = 0; 286 selection.clip_len = 0;
243 } 287 }
244 else 288 else
245 { 289 {
246 /* 290 /*
247 * add or delete rows as appropriate 291 * add or delete rows as appropriate
248 */ 292 */
249 setrstyle = DEFAULT_RSTYLE;
250 293
251 if (nrow < prev_nrow) 294 int common_col = min (prev_ncol, ncol);
295
296 // 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]);
252 { 304 }
253 /* delete rows */
254 k = min (TermWin.nscrolled, prev_nrow - nrow);
255 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
256 305
257 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
258 { 321 {
259 q = p + TermWin.saveLines; 322 p = MOD (p - 1, prev_total_rows);
260 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 ())
261 { 328 {
262#ifdef DEBUG_STRICT 329 p = MOD (p - 1, prev_total_rows);
263 assert (screen.rend[q]); 330
264#endif 331 plines++;
265 talloc->free (screen.text[q]); 332 llen += prev_ncol;
266 ralloc->free (screen.rend[q]);
267 } 333 }
268 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++)
269 { 348 {
270#ifdef DEBUG_STRICT 349 qline = row_buf + qrow;
271 assert (swap.rend[p]); 350 qline->alloc (); // redundant with next line
272#endif 351 qline->l = ncol;
273 talloc->free (swap.text[p]); 352 qline->is_longer (1);
274 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 }
275 } 385 }
276#ifdef DEBUG_STRICT 386
277 assert (drawn_text[p] && drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
278#endif 388 qline->is_longer (0);
279 talloc->free (drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
280 ralloc->free (drawn_rend[p]);
281 } 390 }
391 while (p != pend && q > 0);
282 392
283 /* we have fewer rows so fix up cursor position */ 393 term_start = total_rows - nrow;
284 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 394 top_row = q - term_start;
285 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
286 395
287 scr_reset_realloc (); /* realloc _last_ */ 396 // make sure all terminal lines exist
288 } 397 while (top_row > 0)
289 else if (nrow > prev_nrow) 398 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
290 { 399 }
291 /* add rows */ 400 else
292 scr_reset_realloc (); /* realloc _first_ */ 401#endif
293 402 {
294 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 403 // wing, instead of wrap
295 404 do
296 k = min (TermWin.nscrolled, nrow - prev_nrow);
297
298 for (p = prev_total_rows; p < total_rows; p++)
299 { 405 {
300 screen.tlen[p] = 0; 406 p = MOD (p - 1, prev_total_rows);
301 screen.text[p] = NULL; 407 q--;
302 screen.rend[p] = NULL; 408
409 copy_line (row_buf [q], prev_row_buf [p]);
303 } 410 }
411 while (p != pend);
304 412
305 for (p = prev_total_rows; p < total_rows - k; p++)
306 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
307
308 for (p = prev_nrow; p < nrow; p++)
309 {
310 swap.tlen[p] = 0;
311 swap.text[p] = NULL;
312 swap.rend[p] = NULL;
313 drawn_text[p] = NULL;
314 drawn_rend[p] = NULL;
315 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
316 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
317 }
318
319 if (k > 0)
320 {
321 scr_scroll_text (0, (int)nrow - 1, -k, 1);
322 screen.cur.row += k;
323 screen.s_cur.row += k;
324 TermWin.nscrolled -= k;
325 }
326#ifdef DEBUG_STRICT
327 assert(screen.cur.row < TermWin.nrow);
328 assert(swap.cur.row < TermWin.nrow);
329#else /* drive with your eyes closed */
330
331 MIN_IT(screen.cur.row, nrow - 1); 413 screen.cur.row += nrow - prev_nrow;
332 MIN_IT(swap.cur.row, nrow - 1); 414 term_start = total_rows - nrow;
333#endif
334 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
335 }
336
337 /* resize columns */
338 if (ncol != prev_ncol)
339 { 415 }
340 int common = min (prev_ncol, ncol); 416
341 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 417 clamp_it (screen.cur.row, 0, nrow - 1);
342 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 418 clamp_it (screen.cur.col, 0, ncol - 1);
343 419 }
344 for (p = 0; p < total_rows; p++)
345 {
346 if (screen.text[p])
347 {
348 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
349 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
350 420
351 MIN_IT(screen.tlen[p], (int16_t)ncol); 421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
352 422 for (int row = nrow; row--; )
353 if (ncol > prev_ncol)
354 scr_blank_line (&(screen.text[p][prev_ncol]),
355 &(screen.rend[p][prev_ncol]),
356 ncol - prev_ncol,
357 setrstyle);
358 }
359 }
360
361 for (p = 0; p < nrow; p++)
362 {
363 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
364 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
365
366 if (ncol > prev_ncol)
367 scr_blank_line (&(drawn_text[p][prev_ncol]),
368 &(drawn_rend[p][prev_ncol]),
369 ncol - prev_ncol, setrstyle);
370
371 if (swap.text[p])
372 {
373 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
374 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
375
376 MIN_IT(swap.tlen[p], (int16_t)ncol);
377
378 if (ncol > prev_ncol)
379 scr_blank_line (&(swap.text[p][prev_ncol]),
380 &(swap.rend[p][prev_ncol]),
381 ncol - prev_ncol, setrstyle);
382 }
383
384 }
385
386 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
387 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
388
389 delete talloc; talloc = ta;
390 delete ralloc; ralloc = ra;
391 }
392
393 if (tabs)
394 free(tabs);
395 } 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 ();
396 438
397 prev_nrow = nrow; 439 prev_nrow = nrow;
398 prev_ncol = ncol; 440 prev_ncol = ncol;
399 441
400 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
401
402 for (p = 0; p < ncol; p++)
403 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
404
405 tt_winch (); 442 tt_winch ();
406}
407 443
408void 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
409rxvt_term::scr_reset_realloc()
410{
411 uint16_t total_rows, nrow;
412
413 nrow = TermWin.nrow;
414 total_rows = nrow + TermWin.saveLines;
415 /* *INDENT-OFF* */
416 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
417 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
418 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
419 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
420
421 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
422 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
423
424 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
425 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
426 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
427 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
428 /* *INDENT-ON* */
429} 445}
430 446
431/* ------------------------------------------------------------------------- */ 447void ecb_cold
432/*
433 * Free everything. That way malloc debugging can find leakage.
434 */
435void
436rxvt_term::scr_release() 448rxvt_term::scr_release () noexcept
437{ 449{
438 uint16_t total_rows; 450 chunk_free (chunk, chunk_size);
439 int i; 451 chunk = 0;
452 row_buf = 0;
440 453
441 total_rows = TermWin.nrow + TermWin.saveLines;
442
443#ifdef DEBUG_STRICT
444 for (i = 0; i < total_rows; i++)
445 {
446 if (screen.text[i])
447 /* then so is screen.rend[i] */
448 assert(screen.rend[i]);
449 }
450#endif
451
452 delete talloc;
453 delete ralloc;
454
455 free (screen.text);
456 free (screen.tlen);
457 free (screen.rend);
458 free (drawn_text);
459 free (drawn_rend);
460 free (swap.text);
461 free (swap.tlen);
462 free (swap.rend);
463 free (buf_text);
464 free (buf_rend);
465 free (tabs); 454 free (tabs);
466
467 /* NULL these so if anything tries to use them, we'll know about it */
468 screen.text = drawn_text = swap.text = NULL;
469 screen.rend = drawn_rend = swap.rend = NULL;
470 screen.tlen = swap.tlen = NULL;
471 buf_text = NULL;
472 buf_rend = NULL;
473 tabs = NULL; 455 tabs = 0;
474} 456}
475 457
476/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
477/* 459/*
478 * Hard reset 460 * Hard/Soft reset
479 */ 461 */
480/* EXTPROTO */ 462void ecb_cold
481void
482rxvt_scr_poweron(pR) 463rxvt_term::scr_poweron ()
483{ 464{
484 D_SCREEN((stderr, "rxvt_scr_poweron()"));
485
486 R->scr_release (); 465 scr_release ();
466
487 R->prev_nrow = R->prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
468 rvideo_mode = false;
469 scr_soft_reset ();
488 R->scr_reset (); 470 scr_reset ();
489 471
490 rxvt_scr_clear (aR); 472 scr_clear (true);
491 rxvt_scr_refresh (aR_ SLOW_REFRESH); 473 scr_refresh ();
492#ifdef RXVT_GRAPHICS 474}
493 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 ();
494#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);
495} 490}
496 491
497/* ------------------------------------------------------------------------- * 492/* ------------------------------------------------------------------------- *
498 * PROCESS SCREEN COMMANDS * 493 * PROCESS SCREEN COMMANDS *
499 * ------------------------------------------------------------------------- */ 494 * ------------------------------------------------------------------------- */
500/* 495/*
501 * Save and Restore cursor 496 * Save and Restore cursor
502 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
503 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
504 */ 499 */
505/* EXTPROTO */
506void 500void
507rxvt_scr_cursor(pR_ int mode) 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
508{ 502{
509 screen_t *s; 503 screen_t *s;
510
511 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
512 504
513#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
514 if (R->current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
515 s = &(R->swap); 507 s = &swap;
516 else 508 else
517#endif 509#endif
518 s = &(R->screen); 510 s = &screen;
511
519 switch (mode) { 512 switch (mode)
513 {
520 case SAVE: 514 case SAVE:
521 s->s_cur.row = s->cur.row; 515 s->s_cur.row = screen.cur.row;
522 s->s_cur.col = s->cur.col; 516 s->s_cur.col = screen.cur.col;
523 s->s_rstyle = R->rstyle; 517 s->s_rstyle = rstyle;
524 s->s_charset = s->charset; 518 s->s_charset = screen.charset;
525 s->s_charset_char = R->charsets[s->charset]; 519 s->s_charset_char = charsets[screen.charset];
526 break; 520 break;
521
527 case RESTORE: 522 case RESTORE:
528 R->want_refresh = 1; 523 want_refresh = 1;
529 s->cur.row = s->s_cur.row; 524 screen.cur.row = s->s_cur.row;
530 s->cur.col = s->s_cur.col; 525 screen.cur.col = s->s_cur.col;
531 s->flags &= ~Screen_WrapNext; 526 screen.flags &= ~Screen_WrapNext;
532 R->rstyle = s->s_rstyle; 527 rstyle = s->s_rstyle;
533 s->charset = s->s_charset; 528 screen.charset = s->s_charset;
534 R->charsets[s->charset] = s->s_charset_char; 529 charsets[screen.charset] = s->s_charset_char;
535 rxvt_set_font_style(aR); 530 set_font_style ();
536 break; 531 break;
537 } 532 }
533
538/* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
539 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 535 min_it (s->cur.row, nrow - 1);
540 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 536 min_it (s->cur.col, ncol - 1);
541#ifdef DEBUG_STRICT
542 assert(s->cur.row >= 0); 537 assert (s->cur.row >= 0);
543 assert(s->cur.col >= 0); 538 assert (s->cur.col >= 0);
544#else /* drive with your eyes closed */ 539}
545 MAX_IT(s->cur.row, 0); 540
546 MAX_IT(s->cur.col, 0); 541void
547#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);
548} 554}
549 555
550/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
551/* 557/*
552 * Swap between primary and secondary screens 558 * Swap between primary and secondary screens
553 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 559 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
554 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 560 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
555 */ 561 */
556/* EXTPROTO */ 562void
557int
558rxvt_scr_change_screen(pR_ int scrn) 563rxvt_term::scr_change_screen (int scrn)
559{ 564{
560 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
561#if NSCREENS 580#if NSCREENS
562 int offset; 581 if (option (Opt_secondaryScreen))
563#endif 582 {
564
565 R->want_refresh = 1;
566
567 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
568
569 R->TermWin.view_start = 0;
570
571 if (R->current_screen == scrn)
572 return R->current_screen;
573
574 rxvt_selection_check(aR_ 2); /* check for boundary cross */
575
576 SWAP_IT(R->current_screen, scrn, int);
577#if NSCREENS
578 R->num_scr = 0; 583 num_scr = 0;
579 offset = R->TermWin.saveLines; 584
580 for (i = R->prev_nrow; i--;) { 585 scr_swap_screen ();
581 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 586
582 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 587 ::swap (screen.charset, swap.charset);
583 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 588 ::swap (screen.flags, swap.flags);
584 }
585 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
586 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
587# ifdef DEBUG_STRICT
588 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
589 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
590# else /* drive with your eyes closed */
591 MAX_IT(R->screen.cur.row, 0);
592 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
593 MAX_IT(R->screen.cur.col, 0);
594 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
595# endif
596 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
597 SWAP_IT(R->screen.flags, R->swap.flags, int);
598 R->screen.flags |= Screen_VisibleCursor; 589 screen.flags |= Screen_VisibleCursor;
599 R->swap.flags |= Screen_VisibleCursor; 590 swap.flags |= Screen_VisibleCursor;
600
601# ifdef RXVT_GRAPHICS
602
603 if (rxvt_Gr_Displayed(aR)) {
604 rxvt_Gr_scroll(aR_ 0);
605 rxvt_Gr_ChangeScreen(aR);
606 } 591 }
592 else
607# endif 593#endif
608#else 594 if (option (Opt_secondaryScroll))
609# ifdef SCROLL_ON_NO_SECONDARY
610# ifdef RXVT_GRAPHICS
611 if (rxvt_Gr_Displayed(aR))
612 rxvt_Gr_ClearScreen(aR);
613# endif
614 if (R->current_screen == PRIMARY
615# ifdef RXVT_GRAPHICS
616 && !rxvt_Gr_Displayed(aR)
617# endif
618 )
619 R->scr_scroll_text(0, (R->prev_nrow - 1), R->prev_nrow, 0); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
620# endif 596}
621#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))
622 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++;
623} 613}
624 614
625/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
626/* 616/*
627 * Change the colour for following text 617 * Change the colour for following text
628 */ 618 */
629/* EXTPROTO */
630void 619void
631rxvt_scr_color(pR_ unsigned int color, int fgbg) 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
632{ 621{
622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
633 color &= RS_fgMask; 623 color = fgbg;
624
634 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
635 R->rstyle = SET_FGCOLOR(R->rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
636 else 627 else
637 R->rstyle = SET_BGCOLOR(R->rstyle, color); 628 rstyle = SET_BGCOLOR (rstyle, color);
638} 629}
639 630
640/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
641/* 632/*
642 * Change the rendition style for following text 633 * Change the rendition style for following text
643 */ 634 */
644/* EXTPROTO */
645void 635void
646rxvt_scr_rendition(pR_ int set, int style) 636rxvt_term::scr_rendition (int set, int style) noexcept
647{ 637{
648 if (set) 638 if (set)
649 R->rstyle |= style; 639 rstyle |= style;
650 else if (style == ~RS_None) 640 else if (style == ~RS_None)
651 R->rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
652 else 642 else
653 R->rstyle &= ~style; 643 rstyle &= ~style;
654} 644}
655 645
656/* ------------------------------------------------------------------------- */ 646/* ------------------------------------------------------------------------- */
657/* 647/*
658 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
659 * count positive ==> scroll up 649 * count positive ==> scroll up
660 * count negative ==> scroll down 650 * count negative ==> scroll down
661 * spec == 0 for normal routines
662 */ 651 */
663int 652int ecb_hot
664rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
665{ 654{
666 int i, j;
667 long nscrolled;
668
669 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
670 return 0; 656 return 0;
671 657
672 want_refresh = 1; 658 want_refresh = 1;
673 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 659 num_scr += count;
674 660
675 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
676 { 670 {
677 nscrolled = (long)TermWin.nscrolled + (long)count; 671 line_t &l = ROW(row2);
678 672 l.is_longer (0);
679 if (nscrolled > (long)TermWin.saveLines) 673 l.touch ();
680 TermWin.nscrolled = TermWin.saveLines;
681 else
682 TermWin.nscrolled = (uint16_t)nscrolled;
683
684 if ((Options & Opt_scrollWithBuffer)
685 && TermWin.view_start != 0
686 && TermWin.view_start != TermWin.saveLines)
687 rxvt_scr_page (this, UP, count);
688 } 674 }
689 else if (!spec)
690 row1 += TermWin.saveLines;
691 675
692 row2 += TermWin.saveLines; 676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
693 678
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
694 if (selection.op && current_screen == selection.screen) 709 if (selection.op && current_screen == selection.screen
695 { 710 && selection.beg.row <= row2)
696 i = selection.beg.row + TermWin.saveLines;
697 j = selection.end.row + TermWin.saveLines;
698 if ((i < row1 && j > row1)
699 || (i < row2 && j > row2)
700 || (i - count < row1 && i >= row1)
701 || (i - count > row2 && i <= row2)
702 || (j - count < row1 && j >= row1)
703 || (j - count > row2 && j <= row2))
704 {
705 CLEAR_ALL_SELECTION (this);
706 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
707 } 711 {
708 else if (j >= row1 && j <= row2)
709 {
710 /* move selected region too */
711 selection.beg.row -= count; 712 selection.beg.row -= count;
712 selection.end.row -= count; 713 selection.end.row -= count;
713 selection.mark.row -= count; 714 selection.mark.row -= count;
714 }
715 }
716 715
717 rxvt_selection_check (this, 0); /* _after_ TermWin.nscrolled update */ 716 selection_check (0);
718
719 num_scr += count;
720 j = count;
721
722 if (count < 0)
723 count = -count;
724
725 i = row2 - row1 + 1;
726 MIN_IT(count, i);
727
728 if (j > 0)
729 {
730 /* A: scroll up */
731
732 /* A1: Copy lines that will get clobbered by the rotation */
733 for (i = 0, j = row1; i < count; i++, j++)
734 { 717 }
735 buf_text[i] = screen.text[j]; 718
736 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)
737 } 731 {
738 /* A2: Rotate lines */ 732 if ((selection.beg.row < row1 && selection.end.row > row1)
739 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 }
740 { 751 }
741 screen.tlen[j] = screen.tlen[i]; 752
742 screen.text[j] = screen.text[i]; 753 // use a simple and robust scrolling algorithm, this
743 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)
744 } 758 {
745 j = row2 - count + 1, i = count; 759 line_t &l = ROW(row1 - 1);
746 } 760 l.is_longer (0);
747 else /* if (j < 0) */ 761 l.touch ();
748 {
749 /* B: scroll down */
750
751 /* B1: Copy lines that will get clobbered by the rotation */
752 for (i = 0, j = row2; i < count; i++, j--)
753 { 762 }
754 buf_text[i] = screen.text[j]; 763
755 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++)
756 } 771 {
757 /* B2: Rotate lines */ 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
758 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);
759 { 776 }
760 screen.tlen[j] = screen.tlen[i]; 777
761 screen.text[j] = screen.text[i]; 778 for (int row = 0; row < rows; row++)
762 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 ();
763 } 786 }
764 j = row1, i = count;
765 count = -count;
766 }
767
768 /* C: Resurrect lines */
769 for (; i--; j++)
770 { 787 }
771 screen.tlen[j] = 0;
772 screen.text[j] = buf_text[i];
773 screen.rend[j] = buf_rend[i];
774
775 if (!spec) /* line length may not equal TermWin.ncol */
776 scr_blank_screen_mem (screen.text, screen.rend,
777 (unsigned int)j, rstyle);
778 }
779
780#ifdef RXVT_GRAPHICS
781 if (rxvt_Gr_Displayed (this))
782 rxvt_Gr_scroll(this, count);
783#endif
784 788
785 return count; 789 return count;
786} 790}
787 791
788/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
789/* 793/*
790 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
791 */ 795 */
792/* EXTPROTO */ 796void ecb_hot
793void 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
794rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len)
795{ 798{
796 unsigned char checksel, clearsel;
797 uint32_t c;
798 int i, row, last_col;
799 text_t *stp;
800 rend_t *srp;
801
802 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
803 return; 800 return;
804 801
802 bool checksel;
803 unicode_t c;
804 int ncol = this->ncol;
805 const wchar_t *strend = str + len;
806
805 R->want_refresh = 1; 807 want_refresh = 1;
806 last_col = R->TermWin.ncol;
807
808 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
809 ZERO_SCROLLBACK(R); 808 ZERO_SCROLLBACK ();
809
810 if (nlines > 0) { 810 if (minlines > 0)
811 {
811 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
812 if ((nlines > 0) 815 if (minlines > 0
813 && (R->screen.tscroll == 0) 816 && screen.tscroll == 0
814 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 817 && screen.bscroll == nrow - 1)
818 {
815 /* _at least_ this many lines need to be scrolled */ 819 /* _at least_ this many lines need to be scrolled */
816 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, nlines, 0); 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
817 R->screen.cur.row -= nlines; 821 screen.cur.row -= minlines;
818 } 822 }
819 } 823 }
820#ifdef DEBUG_STRICT 824
821 assert(R->screen.cur.col < last_col); 825 assert (screen.cur.col < ncol);
822 assert((R->screen.cur.row < R->TermWin.nrow) 826 assert (screen.cur.row < nrow
823 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 827 && screen.cur.row >= top_row);
824#else /* drive with your eyes closed */ 828 int row = screen.cur.row;
825 MIN_IT(R->screen.cur.col, last_col - 1);
826 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
827 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
828#endif
829 row = R->screen.cur.row + R->TermWin.saveLines;
830 829
831 checksel = (R->selection.op 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
832 && R->current_screen == R->selection.screen) ? 1 : 0;
833 clearsel = 0;
834 831
835 stp = R->screen.text[row]; 832 line_t *line = &ROW(row);
836 srp = R->screen.rend[row];
837 833
838 for (i = 0; i < len;) { 834 while (str < strend)
839 c = str[i++]; 835 {
840 switch (c) { 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
841 case '\t': 837
842 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 */
843 continue; 851 continue;
844 case '\n': 852 }
845 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 853 else if (c == C0_CR)
846 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 854 {
855 max_it (line->l, screen.cur.col);
856
847 R->screen.flags &= ~Screen_WrapNext; 857 screen.flags &= ~Screen_WrapNext;
848 if (R->screen.cur.row == R->screen.bscroll) 858 screen.cur.col = 0;
849 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, 1, 0);
850 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
851 row = (++R->screen.cur.row) + R->TermWin.saveLines;
852 stp = R->screen.text[row]; /* _must_ refresh */
853 srp = R->screen.rend[row]; /* _must_ refresh */
854 continue; 859 continue;
855 case '\r': 860 }
856 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 861 else if (c == C0_HT)
857 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 862 {
858 R->screen.flags &= ~Screen_WrapNext; 863 scr_tab (1, true);
859 R->screen.cur.col = 0;
860 continue; 864 continue;
861 default:
862 if (c == 127)
863 continue; /* yummmm..... */
864 break;
865 } 865 }
866 866
867 if (ecb_unlikely (
867 if (checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
871 ))
872 {
870 checksel = 0; 873 checksel = 0;
871 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))
872 } 883 {
873 if (R->screen.flags & Screen_WrapNext) { 884 scr_do_wrap ();
874 R->screen.tlen[row] = -1; 885
875 if (R->screen.cur.row == R->screen.bscroll) 886 line->l = ncol;
876 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, 1, 0); 887 line->is_longer (1);
877 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 888
878 row = (++R->screen.cur.row) + R->TermWin.saveLines; 889 row = screen.cur.row;
879 stp = R->screen.text[row]; /* _must_ refresh */ 890 line = &ROW(row); /* _must_ refresh */
880 srp = R->screen.rend[row]; /* _must_ refresh */ 891 }
881 R->screen.cur.col = 0; 892
882 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
883 } 904 {
884 if (R->screen.flags & Screen_Insert) 905 // vt100 special graphics and line drawing
885 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 };
886 918
887 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 919 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
888 switch (c)
889 { 920 {
890 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 921 c = vt100_0[c - 0x41];
891 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 922 width = 1; // vt100 line drawing characters are always single-width
892 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
893 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
894 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
895 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
896 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
897 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
898 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
899 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
900 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
901 } 923 }
924 }
902 925
903 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 926 if (ecb_unlikely (screen.flags & Screen_Insert))
927 scr_insdel_chars (width, INSERT);
904 928
905 stp[R->screen.cur.col] = c; 929 if (width != 0)
906 srp[R->screen.cur.col] = rend;
907
908 if (c > 255)
909 { 930 {
910 // rely on wcwidth to tell us the character width, at least for non iso-8859-1 931#if !UNICODE_3
911 int width = wcwidth (c); 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))
912 945 {
913 if (width > 1)
914 {
915 while (--width > 0 && R->screen.cur.col < last_col - 1)
916 {
917
918 srp[R->screen.cur.col] |= RS_wide;
919
920 R->screen.cur.col++;
921 stp[R->screen.cur.col] = NOCHAR;
922 srp[R->screen.cur.col] = rend;
923 }
924 }
925 }
926
927 if (R->screen.cur.col < last_col - 1)
928 R->screen.cur.col++;
929 else {
930 R->screen.tlen[row] = last_col;
931 if (R->screen.flags & Screen_Autowrap) 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
966 do
967 {
968 line->t[screen.cur.col] = c;
969 line->r[screen.cur.col] = rend;
970
971 if (ecb_likely (screen.cur.col < ncol - 1))
972 screen.cur.col++;
973 else
974 {
975 line->l = ncol;
976 if (screen.flags & Screen_Autowrap)
932 R->screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
978
979 goto end_of_line;
980 }
981
982 c = NOCHAR;
983 }
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
933 } 998 {
934 } 999 if (c != 0xfeff) // ignore BOM
935 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 1000 {
936 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 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;
937 1008
938/* 1009 if (screen.cur.col > 0)
939 * If we wrote anywhere in the selected area, kill the selection 1010 {
940 * XXX: should we kill the mark too? Possibly, but maybe that 1011 linep = line;
941 * should be a similar check. 1012 tp = line->t + screen.cur.col - 1;
942 */ 1013 rp = line->r + screen.cur.col - 1;
943 if (clearsel) 1014 }
944 CLEAR_SELECTION(R); 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 }
1022 else
1023 continue;
945 1024
946#ifdef DEBUG_STRICT 1025 linep->touch ();
1026
1027 while (*tp == NOCHAR && tp > linep->t)
1028 tp--, rp--;
1029
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
947 assert(R->screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
948#else /* drive with your eyes closed */
949 MAX_IT(R->screen.cur.row, 0);
950#endif
951} 1045}
952 1046
953/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
954/* 1048/*
955 * 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
956 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
957 */ 1051 */
958/* EXTPROTO */
959void 1052void
960rxvt_scr_backspace(pR) 1053rxvt_term::scr_backspace () noexcept
961{ 1054{
962 R->want_refresh = 1;
963 if (R->screen.cur.col == 0) { 1055 if (screen.cur.col == 0)
1056 {
964 if (R->screen.cur.row > 0) { 1057 if (screen.cur.row > 0)
1058 {
965#ifdef TERMCAP_HAS_BW 1059#ifdef TERMCAP_HAS_BW
966 R->screen.cur.col = R->TermWin.ncol - 1; 1060 screen.cur.col = ncol - 1;
967 R->screen.cur.row--; 1061 --screen.cur.row;
968 return; 1062
1063 want_refresh = 1;
969#endif 1064#endif
970 } 1065 }
1066 }
971 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1067 else if (screen.flags & Screen_WrapNext)
972 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
973 R->screen.flags &= ~Screen_WrapNext; 1068 screen.flags &= ~Screen_WrapNext;
1069 else
1070 scr_gotorc (0, -1, RELATIVE);
974} 1071}
975 1072
976/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
977/* 1074/*
978 * Process Horizontal Tab 1075 * Process Horizontal Tab
979 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
980 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
981 */ 1078 */
982/* EXTPROTO */
983void 1079void
984rxvt_scr_tab(pR_ int count) 1080rxvt_term::scr_tab (int count, bool ht) noexcept
985{ 1081{
986 int i, x; 1082 int i, x;
987 1083
988 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
989 R->want_refresh = 1; 1084 want_refresh = 1;
990 i = x = R->screen.cur.col; 1085 i = x = screen.cur.col;
1086
991 if (count == 0) 1087 if (count == 0)
992 return; 1088 return;
993 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
994 for (; ++i < R->TermWin.ncol; ) 1095 for (; ++i < ncol; )
995 if (R->tabs[i]) { 1096 if (tabs[i])
1097 {
996 x = i; 1098 x = i;
1099
997 if (!--count) 1100 if (!--count)
998 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;
999 } 1127 }
1000 if (count) 1128 }
1001 x = R->TermWin.ncol - 1; 1129 }
1002 } else /* if (count < 0) */ { 1130 else /* if (count < 0) */
1131 {
1003 for (; --i >= 0; ) 1132 for (; --i >= 0; )
1004 if (R->tabs[i]) { 1133 if (tabs[i])
1005 x = i;
1006 if (!++count)
1007 break;
1008 } 1134 {
1009 if (count)
1010 x = 0; 1135 x = i;
1136 if (!++count)
1137 break;
1138 }
1139
1140 if (count)
1141 x = 0;
1011 } 1142 }
1143
1012 if (x != R->screen.cur.col) 1144 if (x != screen.cur.col)
1013 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1145 scr_gotorc (0, x, R_RELATIVE);
1014} 1146}
1015 1147
1016/* ------------------------------------------------------------------------- */ 1148/* ------------------------------------------------------------------------- */
1017/* 1149/*
1018 * Process DEC Back Index 1150 * Process DEC Back Index
1019 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
1020 * 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
1021 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1022 */ 1154 */
1023#ifndef NO_FRILLS 1155#if !ENABLE_MINIMAL
1024/* EXTPROTO */ 1156void ecb_cold
1025void 1157rxvt_term::scr_backindex () noexcept
1026rxvt_scr_backindex(pR)
1027{ 1158{
1028 if (R->screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1029 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1030 else { 1161 else
1031 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
1032 return; /* um, yeah? */
1033 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1034 }
1035} 1163}
1036#endif 1164#endif
1037/* ------------------------------------------------------------------------- */ 1165/* ------------------------------------------------------------------------- */
1038/* 1166/*
1039 * Process DEC Forward Index 1167 * Process DEC Forward Index
1040 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
1041 * 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
1042 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1043 */ 1171 */
1044#ifndef NO_FRILLS 1172#if !ENABLE_MINIMAL
1045/* EXTPROTO */ 1173void ecb_cold
1046void 1174rxvt_term::scr_forwardindex () noexcept
1047rxvt_scr_forwardindex(pR)
1048{ 1175{
1049 int row;
1050
1051 if (R->screen.cur.col < R->TermWin.ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1052 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1053 else { 1178 else
1054 row = R->screen.cur.row + R->TermWin.saveLines; 1179 {
1055 if (R->screen.tlen[row] == 0) 1180 line_t &l = ROW(screen.cur.row);
1056 return; /* um, yeah? */ 1181
1057 else if (R->screen.tlen[row] == -1) 1182 l.touch ();
1058 R->screen.tlen[row] = R->TermWin.ncol; 1183 l.is_longer (0);
1184
1059 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1185 scr_gotorc (0, 0, R_RELATIVE);
1060 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1186 scr_insdel_chars (1, DELETE);
1061 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1187 scr_gotorc (0, ncol - 1, R_RELATIVE);
1062 } 1188 }
1063} 1189}
1064#endif 1190#endif
1065 1191
1066/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1067/* 1193/*
1068 * Goto Row/Column 1194 * Goto Row/Column
1069 */ 1195 */
1070/* EXTPROTO */
1071void 1196void
1072rxvt_scr_gotorc(pR_ int row, int col, int relative) 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1073{ 1198{
1074 R->want_refresh = 1; 1199 want_refresh = 1;
1075 ZERO_SCROLLBACK(R); 1200 ZERO_SCROLLBACK ();
1076#ifdef RXVT_GRAPHICS
1077 if (rxvt_Gr_Displayed(aR))
1078 rxvt_Gr_scroll(aR_ 0);
1079#endif
1080 1201
1081 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));
1082
1083 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1084 : col); 1203 clamp_it (screen.cur.col, 0, ncol - 1);
1085 MAX_IT(R->screen.cur.col, 0);
1086 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1087 1204
1088 R->screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1206
1089 if (relative & R_RELATIVE) { 1207 if (relative & R_RELATIVE)
1208 {
1090 if (row > 0) { 1209 if (row > 0)
1210 {
1091 if (R->screen.cur.row <= R->screen.bscroll 1211 if (screen.cur.row <= screen.bscroll
1092 && (R->screen.cur.row + row) > R->screen.bscroll) 1212 && (screen.cur.row + row) > screen.bscroll)
1093 R->screen.cur.row = R->screen.bscroll; 1213 screen.cur.row = screen.bscroll;
1094 else 1214 else
1095 R->screen.cur.row += row;
1096 } else if (row < 0) {
1097 if (R->screen.cur.row >= R->screen.tscroll
1098 && (R->screen.cur.row + row) < R->screen.tscroll)
1099 R->screen.cur.row = R->screen.tscroll;
1100 else
1101 R->screen.cur.row += row;
1102 }
1103 } else {
1104 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1105 R->screen.cur.row = row + R->screen.tscroll;
1106 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1107 } else
1108 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
1109 } 1227 {
1110 MAX_IT(R->screen.cur.row, 0); 1228 if (screen.flags & Screen_Relative)
1111 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1229 {
1112} 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 }
1113 1237
1238 clamp_it (screen.cur.row, 0, nrow - 1);
1239}
1240
1114/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1115/* 1242/*
1116 * direction should be UP or DN 1243 * direction should be UP or DN
1117 */ 1244 */
1118/* EXTPROTO */
1119void 1245void
1120rxvt_scr_index(pR_ enum page_dirn direction) 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1121{ 1247{
1122 int dirn;
1123
1124 R->want_refresh = 1; 1248 want_refresh = 1;
1125 dirn = ((direction == UP) ? 1 : -1);
1126 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1127
1128 ZERO_SCROLLBACK(R); 1249 ZERO_SCROLLBACK ();
1129 1250
1130#ifdef RXVT_GRAPHICS
1131 if (rxvt_Gr_Displayed(aR))
1132 rxvt_Gr_scroll(aR_ 0);
1133#endif
1134
1135 R->screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1252
1136 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1137 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1138 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, dirn, 0); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1139 else 1256 else
1140 R->screen.cur.row += dirn; 1257 screen.cur.row += direction;
1141 MAX_IT(R->screen.cur.row, 0); 1258
1142 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1143 rxvt_selection_check(aR_ 0); 1260 selection_check (0);
1144} 1261}
1145 1262
1146/* ------------------------------------------------------------------------- */ 1263/* ------------------------------------------------------------------------- */
1147/* 1264/*
1148 * Erase part or whole of a line 1265 * Erase part or whole of a line
1149 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1266 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1150 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1151 * 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
1152 */ 1270 */
1153/* EXTPROTO */
1154void 1271void
1155rxvt_scr_erase_line(pR_ int mode) 1272rxvt_term::scr_erase_line (int mode) noexcept
1156{ 1273{
1157 unsigned int row, col, num; 1274 unsigned int col, num;
1158 1275
1159 R->want_refresh = 1; 1276 want_refresh = 1;
1160 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1161 ZERO_SCROLLBACK (R); 1277 ZERO_SCROLLBACK ();
1162 1278
1163#ifdef RXVT_GRAPHICS
1164 if (rxvt_Gr_Displayed (aR))
1165 rxvt_Gr_scroll (aR_ 0);
1166#endif
1167
1168 rxvt_selection_check (aR_ 1); 1279 selection_check (1);
1169 1280
1170 R->screen.flags &= ~Screen_WrapNext; 1281 line_t &line = ROW(screen.cur.row);
1171 1282
1172 row = R->TermWin.saveLines + R->screen.cur.row; 1283 line.touch ();
1284 line.is_longer (0);
1285
1173 switch (mode) 1286 switch (mode)
1174 { 1287 {
1288 case 3:
1289 if (screen.flags & Screen_WrapNext)
1290 return;
1291
1292 /* fall through */
1293
1175 case 0: /* erase to end of line */ 1294 case 0: /* erase to end of line */
1176 col = R->screen.cur.col; 1295 col = screen.cur.col;
1177 num = R->TermWin.ncol - col; 1296 num = ncol - col;
1178 MIN_IT(R->screen.tlen[row], (int16_t)col); 1297 min_it (line.l, col);
1298
1179 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)
1180 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1300 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1181 CLEAR_SELECTION(R); 1301 CLEAR_SELECTION ();
1182 break; 1302 break;
1303
1183 case 1: /* erase to beginning of line */ 1304 case 1: /* erase to beginning of line */
1184 col = 0; 1305 col = 0;
1185 num = R->screen.cur.col + 1; 1306 num = screen.cur.col + 1;
1307
1186 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)
1187 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1309 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1188 CLEAR_SELECTION(R); 1310 CLEAR_SELECTION ();
1189 break; 1311 break;
1312
1190 case 2: /* erase whole line */ 1313 case 2: /* erase whole line */
1191 col = 0; 1314 col = 0;
1192 num = R->TermWin.ncol; 1315 num = ncol;
1193 R->screen.tlen[row] = 0; 1316 line.l = 0;
1194 if (R->selection.beg.row <= R->screen.cur.row 1317 if (selection.beg.row <= screen.cur.row
1195 && R->selection.end.row >= R->screen.cur.row) 1318 && selection.end.row >= screen.cur.row)
1196 CLEAR_SELECTION(R); 1319 CLEAR_SELECTION ();
1197 break; 1320 break;
1198 default: 1321 default:
1199 return; 1322 return;
1200 } 1323 }
1201 1324
1202 if (R->screen.text[row]) 1325 scr_blank_line (line, col, num, rstyle);
1203 R->scr_blank_line (&(R->screen.text[row][col]),
1204 &(R->screen.rend[row][col]), num, R->rstyle);
1205 else
1206 R->scr_blank_screen_mem (R->screen.text, R->screen.rend, row, R->rstyle);
1207} 1326}
1208 1327
1209/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1210/* 1329/*
1211 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1212 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1213 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1214 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1215 */ 1334 */
1216/* EXTPROTO */
1217void 1335void
1218rxvt_scr_erase_screen(pR_ int mode) 1336rxvt_term::scr_erase_screen (int mode) noexcept
1219{ 1337{
1220 int num; 1338 int num;
1221 int32_t row, row_offset; 1339 int32_t row;
1222 rend_t ren; 1340 rend_t ren;
1223 XGCValues gcvalue; 1341 XGCValues gcvalue;
1224 1342
1225 R->want_refresh = 1; 1343 want_refresh = 1;
1226 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, R->screen.cur.row));
1227 ZERO_SCROLLBACK(R); 1344 ZERO_SCROLLBACK ();
1228 row_offset = (int32_t)R->TermWin.saveLines;
1229 1345
1230 switch (mode) { 1346 switch (mode)
1347 {
1231 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1232 rxvt_selection_check(aR_ 1);
1233 rxvt_scr_erase_line(aR_ 0); 1349 scr_erase_line (0);
1234 row = R->screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1235 num = R->TermWin.nrow - row; 1351 num = nrow - row;
1236 break; 1352 break;
1237 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1238 rxvt_selection_check(aR_ 3);
1239 rxvt_scr_erase_line(aR_ 1); 1354 scr_erase_line (1);
1240 row = 0; 1355 row = 0;
1241 num = R->screen.cur.row; 1356 num = screen.cur.row;
1242 break; 1357 break;
1243 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1244 rxvt_selection_check(aR_ 3);
1245#ifdef RXVT_GRAPHICS
1246 rxvt_Gr_ClearScreen(aR);
1247#endif
1248 row = 0; 1359 row = 0;
1249 num = R->TermWin.nrow; 1360 num = nrow;
1250 break; 1361 break;
1251 default: 1362 default:
1252 return; 1363 return;
1253 } 1364 }
1254 R->refresh_type |= REFRESH_BOUNDS; 1365
1255 if (R->selection.op && R->current_screen == R->selection.screen 1366 if (selection.op && current_screen == selection.screen
1256 && ((R->selection.beg.row >= row && R->selection.beg.row <= row + num) 1367 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1257 || (R->selection.end.row >= row 1368 || (selection.end.row >= row
1258 && R->selection.end.row <= row + num))) 1369 && selection.end.row <= row + num)))
1259 CLEAR_SELECTION(R); 1370 CLEAR_SELECTION ();
1371
1260 if (row >= R->TermWin.nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1261 return; 1373 return;
1262 MIN_IT(num, (R->TermWin.nrow - row)); 1374
1375 min_it (num, nrow - row);
1376
1263 if (R->rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1264 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1265 else if (GET_BASEBG(R->rstyle) == Color_bg) { 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1380 {
1266 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1267 CLEAR_ROWS(row, num); 1382
1268 } 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 {
1269 ren = (R->rstyle & (RS_fgMask | RS_bgMask)); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1270 gcvalue.foreground = R->PixColors[GET_BGCOLOR(R->rstyle)]; 1391
1392 if (mapped)
1393 {
1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1271 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1272 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));
1273 gcvalue.foreground = R->PixColors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1274 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1275 } 1403 }
1404
1276 for (; num--; row++) { 1405 for (; num--; row++)
1277 R->scr_blank_screen_mem (R->screen.text, R->screen.rend,
1278 (unsigned int)(row + row_offset), R->rstyle);
1279 R->screen.tlen[row + row_offset] = 0;
1280 R->scr_blank_line (R->drawn_text[row], R->drawn_rend[row],
1281 (unsigned int)R->TermWin.ncol, ren);
1282 } 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 }
1283} 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
1284 1424
1285/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1286/* 1426/*
1287 * Fill the screen with `E's 1427 * Fill the screen with `E's
1288 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1289 */ 1429 */
1290/* EXTPROTO */ 1430void ecb_cold
1291void 1431rxvt_term::scr_E () noexcept
1292rxvt_scr_E(pR)
1293{ 1432{
1294 int i, j, k; 1433 rend_t fs;
1295 rend_t *r1, fs;
1296 1434
1297 R->want_refresh = 1; 1435 want_refresh = 1;
1298 R->num_scr_allow = 0;
1299 ZERO_SCROLLBACK(R); 1436 ZERO_SCROLLBACK ();
1300 rxvt_selection_check(aR_ 3);
1301 1437
1302 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1438 num_scr_allow = 0;
1303 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1439
1304 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1440 row_col_t pos;
1305 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1441 pos.row = pos.col = 0;
1306 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--; )
1307 *r1++ = fs; 1454 *r1++ = fs;
1455
1456 line.is_longer (0);
1457 line.touch (ncol);
1308 } 1458 }
1309} 1459}
1310 1460
1311/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1312/* 1462/*
1313 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1314 */ 1464 */
1315/* EXTPROTO */
1316void 1465void
1317rxvt_scr_insdel_lines(pR_ int count, int insdel) 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1318{ 1467{
1319 int end; 1468 int end;
1320 1469
1321 ZERO_SCROLLBACK(R); 1470 ZERO_SCROLLBACK ();
1322 1471
1323#ifdef RXVT_GRAPHICS
1324 if (rxvt_Gr_Displayed(aR))
1325 rxvt_Gr_scroll(aR_ 0);
1326#endif
1327
1328 rxvt_selection_check(aR_ 1); 1472 selection_check (1);
1329 1473
1330 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)
1331 return; 1481 return;
1332
1333 end = R->screen.bscroll - R->screen.cur.row + 1;
1334 if (count > end) {
1335 if (insdel == DELETE)
1336 return;
1337 else if (insdel == INSERT) 1482 else if (insdel == INSERT)
1338 count = end; 1483 count = end;
1339 } 1484 }
1340 R->screen.flags &= ~Screen_WrapNext;
1341 1485
1486 scr_do_wrap ();
1487
1342 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);
1343} 1489}
1344 1490
1345/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1346/* 1492/*
1347 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1348 */ 1494 */
1349/* EXTPROTO */
1350void 1495void
1351rxvt_scr_insdel_chars(pR_ int count, int insdel) 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1352{ 1497{
1353 int col, row;
1354 rend_t tr;
1355 text_t *stp;
1356 rend_t *srp;
1357 int16_t *slp;
1358
1359 R->want_refresh = 1; 1498 want_refresh = 1;
1360 ZERO_SCROLLBACK(R); 1499 ZERO_SCROLLBACK ();
1361 1500
1362#ifdef RXVT_GRAPHICS
1363 if (rxvt_Gr_Displayed(aR))
1364 rxvt_Gr_scroll(aR_ 0);
1365#endif
1366
1367 if (count <= 0) 1501 if (count <= 0)
1368 return; 1502 return;
1369 1503
1504 scr_do_wrap ();
1505
1370 rxvt_selection_check(aR_ 1); 1506 selection_check (1);
1371 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1507 min_it (count, ncol - screen.cur.col);
1372 1508
1373 row = R->screen.cur.row + R->TermWin.saveLines; 1509 int row = screen.cur.row;
1374 R->screen.flags &= ~Screen_WrapNext;
1375 1510
1376 stp = R->screen.text[row]; 1511 line_t *line = &ROW(row);
1377 srp = R->screen.rend[row]; 1512
1378 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
1379 switch (insdel) { 1520 switch (insdel)
1521 {
1380 case INSERT: 1522 case INSERT:
1381 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1523 line->l = min (line->l + count, ncol);
1382 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 {
1383 stp[col] = stp[col - count]; 1530 line->t[col] = line->t[col - count];
1384 srp[col] = srp[col - count]; 1531 line->r[col] = line->r[col - count];
1385 } 1532 }
1386 if (*slp != -1) { 1533
1387 *slp += count;
1388 MIN_IT(*slp, R->TermWin.ncol);
1389 }
1390 if (R->selection.op && R->current_screen == R->selection.screen 1534 if (selection.op && current_screen == selection.screen
1391 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1535 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1536 {
1392 if (R->selection.end.row != R->screen.cur.row 1537 if (selection.end.row != screen.cur.row
1393 || (R->selection.end.col + count >= R->TermWin.ncol)) 1538 || (selection.end.col + count >= ncol))
1394 CLEAR_SELECTION(R); 1539 CLEAR_SELECTION ();
1540 else
1541 {
1395 else { /* shift selection */ 1542 /* shift selection */
1396 R->selection.beg.col += count; 1543 selection.beg.col += count;
1397 R->selection.mark.col += count; /* XXX: yes? */ 1544 selection.mark.col += count; /* XXX: yes? */
1398 R->selection.end.col += count; 1545 selection.end.col += count;
1399 } 1546 }
1400 } 1547 }
1401 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1548
1402 (unsigned int)count, R->rstyle); 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1403 break; 1550 break;
1551
1404 case ERASE: 1552 case ERASE:
1405 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1553 screen.cur.col += count; /* don't worry if > ncol */
1406 rxvt_selection_check(aR_ 1); 1554 selection_check (1);
1407 R->screen.cur.col -= count; 1555 screen.cur.col -= count;
1408 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1556
1409 (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);
1410 break; 1562 break;
1563
1411 case DELETE: 1564 case DELETE:
1412 tr = srp[R->TermWin.ncol - 1] 1565 line->l = max (line->l - count, 0);
1413 & (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
1414 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1571 for (int col = screen.cur.col; (col + count) < ncol; col++)
1572 {
1415 stp[col] = stp[col + count]; 1573 line->t[col] = line->t[col + count];
1416 srp[col] = srp[col + count]; 1574 line->r[col] = line->r[col + count];
1417 } 1575 }
1418 R->scr_blank_line (&(stp[R->TermWin.ncol - count]), 1576
1419 &(srp[R->TermWin.ncol - count]), 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1420 (unsigned int)count, tr); 1578
1421 if (*slp == -1) /* break line continuation */
1422 *slp = R->TermWin.ncol;
1423 *slp -= count;
1424 MAX_IT(*slp, 0);
1425 if (R->selection.op && R->current_screen == R->selection.screen 1579 if (selection.op && current_screen == selection.screen
1426 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1581 {
1427 if (R->selection.end.row != R->screen.cur.row 1582 if (selection.end.row != screen.cur.row
1428 || (R->screen.cur.col >= R->selection.beg.col - count) 1583 || (screen.cur.col >= selection.beg.col - count)
1429 || R->selection.end.col >= R->TermWin.ncol) 1584 || selection.end.col >= ncol)
1430 CLEAR_SELECTION(R); 1585 CLEAR_SELECTION ();
1431 else { 1586 else
1587 {
1432 /* shift selection */ 1588 /* shift selection */
1433 R->selection.beg.col -= count; 1589 selection.beg.col -= count;
1434 R->selection.mark.col -= count; /* XXX: yes? */ 1590 selection.mark.col -= count; /* XXX: yes? */
1435 R->selection.end.col -= count; 1591 selection.end.col -= count;
1436 } 1592 }
1437 } 1593 }
1594
1438 break; 1595 break;
1439 } 1596 }
1440} 1597}
1441 1598
1442/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1443/* 1600/*
1444 * Set the scrolling region 1601 * Set the scrolling region
1445 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1446 */ 1603 */
1447/* EXTPROTO */ 1604void ecb_cold
1448void
1449rxvt_scr_scroll_region(pR_ int top, int bot) 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1450{ 1606{
1451 MAX_IT(top, 0); 1607 max_it (top, 0);
1452 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1608 min_it (bot, nrow - 1);
1609
1453 if (top > bot) 1610 if (top > bot)
1454 return; 1611 return;
1612
1455 R->screen.tscroll = top; 1613 screen.tscroll = top;
1456 R->screen.bscroll = bot; 1614 screen.bscroll = bot;
1457 rxvt_scr_gotorc(aR_ 0, 0, 0); 1615 scr_gotorc (0, 0, 0);
1458} 1616}
1459 1617
1460/* ------------------------------------------------------------------------- */ 1618/* ------------------------------------------------------------------------- */
1461/* 1619/*
1462 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1463 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1464 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1465 */ 1623 */
1466/* EXTPROTO */ 1624void ecb_cold
1467void
1468rxvt_scr_cursor_visible(pR_ int mode) 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1469{ 1626{
1470 R->want_refresh = 1; 1627 want_refresh = 1;
1628
1471 if (mode) 1629 if (mode)
1472 R->screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1473 else 1631 else
1474 R->screen.flags &= ~Screen_VisibleCursor; 1632 screen.flags &= ~Screen_VisibleCursor;
1475} 1633}
1476 1634
1477/* ------------------------------------------------------------------------- */ 1635/* ------------------------------------------------------------------------- */
1478/* 1636/*
1479 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1480 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1481 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1482 */ 1640 */
1483/* EXTPROTO */ 1641void ecb_cold
1484void 1642rxvt_term::scr_autowrap (int mode) noexcept
1485rxvt_scr_autowrap(pR_ int mode)
1486{ 1643{
1487 if (mode) 1644 if (mode)
1488 R->screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1489 else 1646 else
1490 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1491} 1648}
1492 1649
1493/* ------------------------------------------------------------------------- */ 1650/* ------------------------------------------------------------------------- */
1494/* 1651/*
1495 * Set/unset margin origin mode 1652 * Set/unset margin origin mode
… …
1498 * 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
1499 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1500 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1501 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1502 */ 1659 */
1503/* EXTPROTO */ 1660void ecb_cold
1504void
1505rxvt_scr_relative_origin(pR_ int mode) 1661rxvt_term::scr_relative_origin (int mode) noexcept
1506{ 1662{
1507 if (mode) 1663 if (mode)
1508 R->screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1509 else 1665 else
1510 R->screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1667
1511 rxvt_scr_gotorc(aR_ 0, 0, 0); 1668 scr_gotorc (0, 0, 0);
1512} 1669}
1513 1670
1514/* ------------------------------------------------------------------------- */ 1671/* ------------------------------------------------------------------------- */
1515/* 1672/*
1516 * Set insert/replace mode 1673 * Set insert/replace mode
1517 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1518 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1519 */ 1676 */
1520/* EXTPROTO */ 1677void ecb_cold
1521void
1522rxvt_scr_insert_mode(pR_ int mode) 1678rxvt_term::scr_insert_mode (int mode) noexcept
1523{ 1679{
1524 if (mode) 1680 if (mode)
1525 R->screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1526 else 1682 else
1527 R->screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1528} 1684}
1529 1685
1530/* ------------------------------------------------------------------------- */ 1686/* ------------------------------------------------------------------------- */
1531/* 1687/*
1532 * Set/Unset tabs 1688 * Set/Unset tabs
1533 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1534 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1535 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1536 */ 1692 */
1537/* EXTPROTO */ 1693void ecb_cold
1538void 1694rxvt_term::scr_set_tab (int mode) noexcept
1539rxvt_scr_set_tab(pR_ int mode)
1540{ 1695{
1541 if (mode < 0) 1696 if (mode < 0)
1542 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1697 memset (tabs, 0, ncol);
1543 else if (R->screen.cur.col < R->TermWin.ncol) 1698 else if (screen.cur.col < ncol)
1544 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1699 tabs [screen.cur.col] = !!mode;
1545} 1700}
1546 1701
1547/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1548/* 1703/*
1549 * Set reverse/normal video 1704 * Set reverse/normal video
1550 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1551 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1552 */ 1707 */
1553/* EXTPROTO */
1554void 1708void
1555rxvt_scr_rvideo_mode(pR_ int mode) 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1556{ 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
1557 XGCValues gcvalue; 1735 XGCValues gcvalue;
1558
1559 if (R->rvideo != mode) {
1560 R->rvideo = mode;
1561 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1562#if defined(XPM_BACKGROUND)
1563 if (R->bgPixmap.pixmap == None)
1564#endif
1565#if defined(TRANSPARENT)
1566 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1567#endif
1568 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1569 R->PixColors[Color_bg]);
1570
1571 gcvalue.foreground = R->PixColors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1572 gcvalue.background = R->PixColors[Color_bg]; 1737 gcvalue.background = pix_colors[Color_bg];
1573 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1738 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1574 &gcvalue); 1739
1575 rxvt_scr_clear(aR); 1740 scr_clear ();
1576 rxvt_scr_touch(aR_ True); 1741 scr_touch (true);
1577 } 1742 }
1578} 1743}
1579 1744
1580/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1581/* 1746/*
1582 * Report current cursor position 1747 * Report current cursor position
1583 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1584 */ 1749 */
1585/* EXTPROTO */ 1750void ecb_cold
1586void 1751rxvt_term::scr_report_position () noexcept
1587rxvt_scr_report_position(pR)
1588{ 1752{
1589 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);
1590} 1754}
1591 1755
1592/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1593 * FONTS * 1757 * FONTS *
1594 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1595 1759
1596/* 1760/*
1597 * Set font style 1761 * Set font style
1598 */ 1762 */
1599/* INTPROTO */ 1763void ecb_cold
1600void 1764rxvt_term::set_font_style () noexcept
1601rxvt_set_font_style(pR)
1602{ 1765{
1766#if 0
1603 switch (R->charsets[R->screen.charset]) { 1767 switch (charsets [screen.charset])
1768 {
1604 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1605 break; 1770 break;
1606 case 'A': /* United Kingdom (UK) */ 1771 case 'A': /* United Kingdom (UK) */
1607 break; 1772 break;
1608 case 'B': /* United States (USASCII) */ 1773 case 'B': /* United States (USASCII) */
1609 break; 1774 break;
1610 case '<': /* Multinational character set */ 1775 case '<': /* Multinational character set */
1611 break; 1776 break;
1612 case '5': /* Finnish character set */ 1777 case '5': /* Finnish character set */
1613 break; 1778 break;
1614 case 'C': /* Finnish character set */ 1779 case 'C': /* Finnish character set */
1615 break; 1780 break;
1616 case 'K': /* German character set */ 1781 case 'K': /* German character set */
1617 break; 1782 break;
1618 } 1783 }
1784#endif
1619} 1785}
1620 1786
1621/* ------------------------------------------------------------------------- */ 1787/* ------------------------------------------------------------------------- */
1622/* 1788/*
1623 * Choose a font 1789 * Choose a font
1624 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1625 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1626 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1627 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1628 */ 1794 */
1629/* EXTPROTO */ 1795void ecb_cold
1630void
1631rxvt_scr_charset_choose(pR_ int set) 1796rxvt_term::scr_charset_choose (int set) noexcept
1632{ 1797{
1633 R->screen.charset = set; 1798 screen.charset = set;
1634 rxvt_set_font_style(aR); 1799 set_font_style ();
1635} 1800}
1636 1801
1637/* ------------------------------------------------------------------------- */ 1802/* ------------------------------------------------------------------------- */
1638/* 1803/*
1639 * Set a font 1804 * Set a font
… …
1641 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1806 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1642 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1643 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1644 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1645 */ 1810 */
1646/* EXTPROTO */
1647void 1811void
1648rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1649{ 1813{
1650 R->charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1651 rxvt_set_font_style(aR); 1815 set_font_style ();
1652} 1816}
1653 1817
1654
1655/* ------------------------------------------------------------------------- *
1656 * GRAPHICS COLOURS *
1657 * ------------------------------------------------------------------------- */
1658
1659#ifdef RXVT_GRAPHICS
1660/* EXTPROTO */
1661int
1662rxvt_scr_get_fgcolor(pR)
1663{
1664 return GET_FGCOLOR(R->rstyle);
1665}
1666
1667/* ------------------------------------------------------------------------- */
1668/* EXTPROTO */
1669int
1670rxvt_scr_get_bgcolor(pR)
1671{
1672 return GET_BGCOLOR(R->rstyle);
1673}
1674#endif
1675 1818
1676/* ------------------------------------------------------------------------- * 1819/* ------------------------------------------------------------------------- *
1677 * MAJOR SCREEN MANIPULATION * 1820 * MAJOR SCREEN MANIPULATION *
1678 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1679 1822
1680/* 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/*
1681 * Refresh an area 1847 * Refresh an area
1682 */ 1848 */
1683enum { 1849enum {
1684 PART_BEG = 0, 1850 PART_BEG = 0,
1685 PART_END, 1851 PART_END,
1686 RC_COUNT 1852 RC_COUNT
1687}; 1853};
1688 1854
1689/* EXTPROTO */ 1855void ecb_hot
1690void
1691rxvt_scr_expose(pR_ 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
1692{ 1857{
1693 int i; 1858 int i;
1694 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1695 1860
1696 if (R->drawn_text == NULL) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1697 return; 1862 return;
1698 1863
1699#ifdef DEBUG_STRICT 1864#ifndef NO_SLOW_LINK_SUPPORT
1700 x = max(x, (int)R->TermWin.int_bwidth); 1865 if (refresh_type == FAST_REFRESH && !display->is_local)
1701 x = min(x, (int)R->TermWin.width); 1866 {
1702 y = max(y, (int)R->TermWin.int_bwidth); 1867 y = 0;
1703 y = min(y, (int)R->TermWin.height); 1868 eheight = height;
1869 }
1704#endif 1870#endif
1705 1871
1706/* round down */ 1872 /* round down */
1707 rc[PART_BEG].col = Pixel2Col(x); 1873 rc[PART_BEG].col = Pixel2Col (x);
1708 rc[PART_BEG].row = Pixel2Row(y); 1874 rc[PART_BEG].row = Pixel2Row (y);
1709/* round up */ 1875 /* round up */
1710 rc[PART_END].col = Pixel2Width(x + width + R->TermWin.fwidth - 1); 1876 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1711 rc[PART_END].row = Pixel2Row(y + height + R->TermWin.fheight - 1); 1877 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1712 1878
1713/* sanity checks */ 1879 /* sanity checks */
1714 for (i = PART_BEG; i < RC_COUNT; i++) { 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1715 MIN_IT(rc[i].col, R->TermWin.ncol - 1);
1716 MIN_IT(rc[i].row, R->TermWin.nrow - 1);
1717 } 1881 {
1882 min_it (rc[i].col, ncol - 1);
1883 min_it (rc[i].row, nrow - 1);
1884 }
1718 1885
1719 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));
1720
1721 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++)
1722 fill_text (&(R->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);
1723 (rc[PART_END].col - rc[PART_BEG].col + 1));
1724 1888
1889 num_scr_allow = 0;
1890
1725 if (refresh) 1891 if (refresh)
1726 rxvt_scr_refresh(aR_ SLOW_REFRESH | REFRESH_BOUNDS); 1892 scr_refresh ();
1727} 1893}
1728 1894
1729/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1730/* 1896/*
1731 * Refresh the entire screen 1897 * Refresh the entire screen
1732 */ 1898 */
1733/* EXTPROTO */
1734void 1899void
1735rxvt_scr_touch(pR_ Bool refresh) 1900rxvt_term::scr_touch (bool refresh) noexcept
1736{ 1901{
1737 rxvt_scr_expose(aR_ 0, 0, R->TermWin.width, R->TermWin.height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1738} 1903}
1739 1904
1740/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1741/* 1906/*
1742 * 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
1743 * the top of the screen 1908 * the top of the screen
1744 */ 1909 */
1745/* EXTPROTO */ 1910void
1746int
1747rxvt_scr_move_to(pR_ int y, int len) 1911rxvt_term::scr_move_to (int y, int len) noexcept
1748{ 1912{
1749 long p = 0; 1913 // lerp (y, 0, len, top_row, nrow - 1)
1750 uint16_t oldviewstart; 1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1751
1752 oldviewstart = R->TermWin.view_start;
1753 if (y < len) {
1754 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1755 p -= (long)(R->TermWin.nrow - 1);
1756 p = max(p, 0);
1757 }
1758 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1759 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1760
1761 return rxvt_scr_changeview(aR_ oldviewstart);
1762} 1915}
1763 1916
1764/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1765/* 1918/*
1766 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1767 * direction should be UP or DN 1920 * direction should be UP or DN
1768 */ 1921 */
1769/* EXTPROTO */ 1922bool
1770int 1923rxvt_term::scr_page (int nlines) noexcept
1771rxvt_scr_page(pR_ enum page_dirn direction, int nlines)
1772{ 1924{
1773 int n; 1925 return scr_changeview (view_start - nlines);
1774 uint16_t oldviewstart;
1775
1776 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1777#ifdef DEBUG_STRICT
1778 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1779#endif
1780 oldviewstart = R->TermWin.view_start;
1781 if (direction == UP) {
1782 n = R->TermWin.view_start + nlines;
1783 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1784 } else {
1785 n = R->TermWin.view_start - nlines;
1786 R->TermWin.view_start = max(n, 0);
1787 }
1788 return rxvt_scr_changeview(aR_ oldviewstart);
1789} 1926}
1790 1927
1791/* INTPROTO */ 1928bool
1792int 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1793rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1794{ 1930{
1795 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;
1796 R->want_refresh = 1; 1938 want_refresh = 1;
1797#ifdef RXVT_GRAPHICS
1798 if (rxvt_Gr_Displayed(aR))
1799 rxvt_Gr_scroll(aR_ 0);
1800#endif
1801 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1802 }
1803 return (int)(R->TermWin.view_start - oldviewstart);
1804}
1805 1939
1806/* ------------------------------------------------------------------------- */ 1940 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1807/* EXTPROTO */ 1941
1808void 1942 return true;
1809rxvt_scr_bell(pR) 1943}
1810{ 1944
1811#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
1812# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1813# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1814 if (R->Options & Opt_mapAlert) 1963 if (option (Opt_mapAlert))
1815# endif 1964# endif
1816 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1965 XMapWindow (dpy, parent);
1817# endif 1966# endif
1818 if (R->Options & Opt_visualBell) { 1967
1819 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1968# if ENABLE_FRILLS
1820 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1969 if (option (Opt_urgentOnBell))
1821 } else 1970 set_urgency (1);
1822 XBell(R->Xdisplay, 0);
1823#endif 1971# endif
1824}
1825 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
1826/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1827/* ARGSUSED */ 1988void ecb_cold
1828/* EXTPROTO */
1829void
1830rxvt_scr_printscreen(pR_ int fullhist) 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1831{ 1990{
1832#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1833 int i, r1, nrows, row_offset; 1992 int nrows, row_start;
1834 text_t *t; 1993 FILE *fd = popen_printer ();
1835 FILE *fd;
1836 1994
1837 if ((fd = rxvt_popen_printer(aR)) == NULL) 1995 if (!fd)
1838 return; 1996 return;
1839 nrows = R->TermWin.nrow; 1997
1840 row_offset = R->TermWin.saveLines;
1841 if (!fullhist) 1998 if (fullhist)
1842 row_offset -= R->TermWin.view_start;
1843 else {
1844 nrows += R->TermWin.nscrolled;
1845 row_offset -= R->TermWin.nscrolled;
1846 } 1999 {
1847 2000 nrows = nrow - top_row;
1848 for (r1 = 0; r1 < nrows; r1++) { 2001 row_start = top_row;
1849 t = R->screen.text[r1 + row_offset]; 2002 }
1850 for (i = R->TermWin.ncol - 1; i >= 0; i--) 2003 else
1851 if (!isspace(t[i]))
1852 break;
1853 fprintf(fd, "%.*s\n", (i + 1), t);
1854 } 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
1855 rxvt_pclose_printer(fd); 2037 pclose_printer (fd);
1856#endif 2038#endif
1857} 2039}
1858 2040
1859/* ------------------------------------------------------------------------- */ 2041/* ------------------------------------------------------------------------- */
1860/* 2042/*
1861 * Refresh the screen 2043 * Refresh the screen
1862 * 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.
1863 * 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.
2046 */
2047void ecb_hot
2048rxvt_term::scr_refresh () noexcept
2049{
2050 int16_t col, row, /* column/row we're processing */
2051 ocrow; /* old cursor row */
2052 int i; /* tmp */
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
1864 */ 2066 */
2067 refresh_count = 0;
1865 2068
1866#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2069 unsigned int old_screen_flags = screen.flags;
1867# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2070 bool have_bg = 0;
1868# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 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
2112#ifndef NO_CURSORCOLOR
2113 if (ISSET_PIXCOLOR (Color_cursor))
2114 ccol1 = Color_cursor;
2115 else
2116#endif
2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2118 ccol1 = fgcolor_of (rstyle);
1869#else 2119#else
1870# define MONO_BOLD(x) \ 2120 ccol1 = Color_fg;
1871 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1872# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1873#endif 2121#endif
1874 2122
1875#define FONT_WIDTH(X, Y) \
1876 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1877#define FONT_RBEAR(X, Y) \
1878 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1879#define FONT_LBEAR(X, Y) \
1880 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1881#define IS_FONT_CHAR(X, Y) \
1882 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1883
1884/* EXTPROTO */
1885void
1886rxvt_scr_refresh(pR_ unsigned char refresh_type)
1887{
1888 unsigned char clearfirst, /* first character writes before cell */
1889 clearlast, /* last character writes beyond cell */
1890 must_clear, /* use draw_string not draw_image_string */
1891#ifndef NO_BOLDFONT
1892 bfont, /* we've changed font to bold font */
1893#endif
1894 rvid, /* reverse video this position */
1895 wbyte, /* we're in multibyte */
1896 showcursor; /* show the cursor */
1897 int fore, back; /* desired foreground/background */
1898 int16_t col, row, /* column/row we're processing */
1899 ocrow; /* old cursor row */
1900 int cursorwidth;
1901 int i, /* tmp */
1902 row_offset; /* basic offset in screen structure */
1903#ifndef NO_CURSORCOLOR 2123#ifndef NO_CURSORCOLOR
1904 rend_t cc1; /* store colours at cursor position(s) */
1905 rend_t cc2; /* store colours at cursor position(s) */
1906#endif
1907 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1908 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1909 char *buffer; /* local copy of R->buffer */
1910
1911 if (refresh_type == NO_REFRESH || !R->TermWin.mapped)
1912 return;
1913
1914 /*
1915 * A: set up vars
1916 */
1917 clearfirst = clearlast = must_clear = wbyte = 0;
1918#ifndef NO_BOLDFONT
1919 bfont = 0;
1920#endif
1921
1922 if (R->currmaxcol < R->TermWin.ncol)
1923 {
1924 R->currmaxcol = R->TermWin.ncol;
1925 R->buffer = (char *)rxvt_realloc (R->buffer,
1926 sizeof(char) * (R->currmaxcol + 1) * MB_CUR_MAX);
1927 }
1928
1929 buffer = R->buffer;
1930 R->refresh_count = 0;
1931
1932 row_offset = R->TermWin.saveLines - R->TermWin.view_start;
1933
1934 if ((refresh_type & REFRESH_BOUNDS))
1935 {
1936 clearfirst = clearlast = 1;
1937 R->refresh_type &= ~REFRESH_BOUNDS;
1938 }
1939
1940#if defined(XPM_BACKGROUND)
1941 must_clear |= (R->bgPixmap.pixmap != None);
1942#endif
1943#if defined(TRANSPARENT)
1944 must_clear |= ((R->Options & Opt_transparent) && R->am_transparent);
1945#endif
1946 ocrow = R->oldcursor.row; /* is there an old outline cursor on screen? */
1947
1948/*
1949 * B: reverse any characters which are selected
1950 */
1951 rxvt_scr_reverse_selection(aR);
1952
1953/*
1954 * C: set the cursor character(s)
1955 */
1956 {
1957 unsigned char setoldcursor;
1958 rend_t ccol1, /* Cursor colour */
1959 ccol2; /* Cursor colour2 */
1960
1961 showcursor = (R->screen.flags & Screen_VisibleCursor);
1962 cursorwidth = 0;
1963#ifdef CURSOR_BLINK
1964 if (R->hidden_cursor)
1965 showcursor = 0;
1966#endif
1967
1968 cursorwidth = 0;
1969
1970 if (showcursor)
1971 {
1972 cursorwidth++;
1973
1974 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
1975 [R->screen.cur.col]);
1976
1977 if (showcursor && R->TermWin.focus)
1978 {
1979 *srp ^= RS_RVid;
1980#ifndef NO_CURSORCOLOR
1981 cc1 = *srp & (RS_fgMask | RS_bgMask);
1982 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) 2124 if (ISSET_PIXCOLOR (Color_cursor2))
1983 ccol1 = Color_cursor; 2125 ccol2 = Color_cursor2;
1984 else 2126 else
2127#endif
1985#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2128#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1986 ccol1 = GET_FGCOLOR(R->rstyle); 2129 ccol2 = bgcolor_of (rstyle);
1987#else 2130#else
1988 ccol1 = Color_fg;
1989#endif
1990 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor2))
1991 ccol2 = Color_cursor2;
1992 else
1993#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1994 ccol2 = GET_BGCOLOR(R->rstyle);
1995#else
1996 ccol2 = Color_bg; 2131 ccol2 = Color_bg;
1997#endif 2132#endif
1998 *srp = SET_FGCOLOR(*srp, ccol1);
1999 *srp = SET_BGCOLOR(*srp, ccol2);
2000#endif
2001 }
2002 2133
2003 while (IS_WIDE (*srp)) 2134 if (focus && cursor_type == 0)
2004 cursorwidth++, srp++;
2005 }
2006
2007 /* make sure no outline cursor is left around */
2008 setoldcursor = 0;
2009 if (ocrow != -1) {
2010 if (R->screen.cur.row + R->TermWin.view_start != ocrow
2011 || R->screen.cur.col != R->oldcursor.col) {
2012 if (ocrow < R->TermWin.nrow
2013 && R->oldcursor.col < R->TermWin.ncol) {
2014 R->drawn_rend[ocrow][R->oldcursor.col] ^= (RS_RVid | RS_Uline);
2015 }
2016 if (R->TermWin.focus || !showcursor)
2017 R->oldcursor.row = -1;
2018 else
2019 setoldcursor = 1;
2020 } 2135 {
2021 } else if (!R->TermWin.focus) 2136 rend_t rend = cur_rend;
2022 setoldcursor = 1; 2137
2023 if (setoldcursor) { 2138 rend ^= RS_RVid;
2024 if (R->screen.cur.row + R->TermWin.view_start >= R->TermWin.nrow) 2139 rend = SET_FGCOLOR (rend, ccol1);
2025 R->oldcursor.row = -1; 2140 rend = SET_BGCOLOR (rend, ccol2);
2026 else { 2141
2027 R->oldcursor.row = R->screen.cur.row + R->TermWin.view_start; 2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2028 R->oldcursor.col = R->screen.cur.col;
2029 } 2143 }
2030 } 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;
2031 } 2158 }
2159 else
2160 oldcursor.row = -1;
2161 }
2032 2162
2033#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
2034/* 2164 /*
2035 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
2036 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
2037 */ 2167 */
2038 i = R->num_scr; 2168 if (!display->is_local
2039 if (refresh_type == FAST_REFRESH && R->num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2040 && abs(i) < R->TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
2041 { 2171 {
2042 int16_t nits; 2172 int16_t nits;
2043 int j; 2173 int i = num_scr;
2044 rend_t *drp2; 2174 int j;
2045 text_t *dtp2; 2175 int len, wlen;
2046 int len, wlen;
2047 2176
2048 j = R->TermWin.nrow; 2177 j = nrow;
2049 wlen = len = -1; 2178 wlen = len = -1;
2050 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
2051 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2052 { 2182 {
2053 if (row + i >= 0 && row + i < R->TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2054 { 2184 {
2055 stp = R->screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
2056 srp = R->screen.rend[row + row_offset];
2057 dtp = R->drawn_text[row]; 2186 line_t d = drawn_buf[row];
2058 dtp2 = R->drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
2059 drp = R->drawn_rend[row];
2060 drp2 = R->drawn_rend[row + i];
2061 2188
2062 for (nits = 0, col = R->TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
2063 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2064 nits--; 2191 nits--;
2065 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])
2066 nits++; 2193 nits++;
2067 2194
2068 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] != ' ')
2069 { 2420 {
2070 for (col = R->TermWin.ncol; col--; ) 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2071 { 2422 goto did_clear;
2072 *dtp++ = *dtp2++;
2073 *drp++ = *drp2++;
2074 }
2075
2076 if (len == -1)
2077 len = row;
2078
2079 wlen = row;
2080 continue;
2081 } 2423 }
2424
2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2082 } 2427 }
2428 else
2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2083 2430
2084 if (len != -1) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2085 { 2432 {
2086 /* also comes here at end if needed because of >= above */ 2433 if (showcursor && focus && row == screen.cur.row
2087 if (wlen < len) 2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2088 SWAP_IT(wlen, len, int); 2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2089 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2090 XCopyArea(R->Xdisplay, R->TermWin.vt, R->TermWin.vt,
2091 R->TermWin.gc, 0, Row2Pixel(len + i),
2092 (unsigned int)TermWin_TotalWidth(),
2093 (unsigned int)Height2Pixel(wlen - len + 1),
2094 0, Row2Pixel(len));
2095 len = -1;
2096 }
2097 }
2098 }
2099#endif
2100
2101/*
2102 * E: main pass across every character
2103 */
2104 for (row = 0; row < R->TermWin.nrow; row++)
2105 {
2106 stp = R->screen.text[row + row_offset];
2107 srp = R->screen.rend[row + row_offset];
2108 dtp = R->drawn_text[row];
2109 drp = R->drawn_rend[row];
2110
2111/*
2112 * E2: OK, now the real pass
2113 */
2114 int ypixel = (int)Row2Pixel(row);
2115
2116 for (col = 0; col < R->TermWin.ncol; col++)
2117 {
2118 /* compare new text with old - if exactly the same then continue */
2119 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2120
2121 if (stp[col] == dtp[col] /* Must match characters to skip. */
2122 && (rend == drp[col] /* Either rendition the same or */
2123 || (stp[col] == ' ' /* space w/ no background change */
2124 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2125 continue;
2126
2127 text_t *text = stp + col;
2128 int count = 1;
2129
2130 /* redraw one or more characters */
2131
2132 dtp[col] = stp[col];
2133 drp[col] = rend;
2134
2135 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2136 continue;
2137
2138 int xpixel = Col2Pixel(col);
2139
2140 // this loop looks very messy, it can probably be optimized
2141 // and cleaned a bit by you?
2142 for (i = 0; ++col < R->TermWin.ncol; )
2143 {
2144 if (stp[col] == NOCHAR)
2145 {
2146 dtp[col] = stp[col];
2147 drp[col] = rend;
2148 count++;
2149
2150 if (i) // only possible skip if char unchanged
2151 i++;
2152
2153 continue;
2154 }
2155
2156 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2157 break;
2158
2159 count++;
2160
2161 if (stp[col] != dtp[col]
2162 || srp[col] != drp[col])
2163 {
2164 if (must_clear && (i++ > (count / 2)))
2165 break;
2166
2167 dtp[col] = stp[col];
2168 drp[col] = rend;
2169 i = 0;
2170 }
2171 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2172 break;
2173 }
2174
2175 col--; /* went one too far. move back */
2176 count -= i; /* dump any matching trailing chars */
2177
2178/*
2179 * Determine the attributes for the string
2180 */
2181 int fid = GET_FONT(rend);
2182 fore = GET_FGCOLOR(rend);
2183 back = GET_BGCOLOR(rend);
2184 rend = GET_ATTR(rend);
2185
2186 rvid = (rend & RS_RVid) ? 1 : 0;
2187#ifdef OPTION_HC
2188 if (!rvid && (rend & RS_Blink))
2189 {
2190 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_HC))
2191 back = Color_HC;
2192 else 2436 else
2193 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);
2194 } 2447 }
2195#endif 2448 } /* for (col....) */
2196 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)
2197 { 2461 {
2198 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]);
2199 2480
2200#ifndef NO_BOLD_UNDERLINE_REVERSE 2481 XDrawRectangle (dpy, vt, gc,
2201 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_RV) 2482 Col2Pixel (cur_col),
2202# ifndef NO_CURSORCOLOR 2483 Row2Pixel (oldcursor.row),
2203 && !ISSET_PIXCOLOR(R, 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
2204# endif 2546# endif
2205 )
2206 back = Color_RV;
2207#endif
2208 }
2209#ifndef NO_BOLD_UNDERLINE_REVERSE
2210 else if (rend & RS_Bold)
2211 { 2547 {
2212 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_BD)) 2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2213 { 2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2214 fore = Color_BD; 2550 }
2215# ifndef VERYBOLD 2551 }
2216 rend &= ~RS_Bold; /* we've taken care of it */ 2552 else
2217# endif 2553#endif
2218 }
2219 }
2220 else if (rend & RS_Uline)
2221 {
2222 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_UL))
2223 {
2224 fore = Color_UL;
2225 rend &= ~RS_Uline; /* we've taken care of it */
2226 }
2227 }
2228#endif
2229
2230/*
2231 * Actually do the drawing of the string here
2232 */
2233 rxvt_font *font = (*R->TermWin.fontset)[fid];
2234
2235 if (back == Color_bg)
2236 {
2237 if (must_clear)
2238 {
2239 for (i = 0; i < count; i++) /* don't draw empty strings */
2240 if (text[i] != ' ')
2241 {
2242 font->draw (xpixel, ypixel, text, count, fore, -1);
2243 goto nodraw;
2244 }
2245
2246 CLEAR_CHARS(xpixel, ypixel, count);
2247nodraw: ;
2248 }
2249 else
2250 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2251 }
2252 else
2253 font->draw (xpixel, ypixel, text, count, fore, back);
2254
2255 if ((rend & RS_Uline) && (font->descent > 1))
2256 XDrawLine(R->Xdisplay, drawBuffer, R->TermWin.gc,
2257 xpixel, ypixel + font->ascent + 1,
2258 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2259 } /* for (col....) */
2260 } /* for (row....) */
2261
2262/*
2263 * G: cleanup cursor and display outline cursor if necessary
2264 */
2265 if (showcursor) {
2266 if (R->TermWin.focus) {
2267 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
2268 [R->screen.cur.col]);
2269 *srp ^= RS_RVid;
2270#ifndef NO_CURSORCOLOR
2271 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2272#endif
2273 } else if (R->oldcursor.row >= 0) {
2274#ifndef NO_CURSORCOLOR
2275 unsigned long gcmask; /* Graphics Context mask */
2276
2277 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) {
2278 XSetForeground (R->Xdisplay, R->TermWin.gc, R->PixColors[Color_cursor]);
2279 }
2280#endif
2281 XDrawRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc,
2282 Col2Pixel(R->oldcursor.col),
2283 Row2Pixel(R->oldcursor.row),
2284 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2285 (unsigned int)(Height2Pixel(1) - R->TermWin.lineSpace - 1));
2286 }
2287 } 2554 {
2288/* 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2289 * H: cleanup selection 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2290 */ 2557 }
2291 rxvt_scr_reverse_selection(aR);
2292 2558
2293/* 2559 XClearWindow (dpy, parent);
2294 * I: other general cleanup
2295 */
2296 if (clearfirst && R->TermWin.int_bwidth)
2297 /*
2298 * clear the whole screen height, note that width == 0 is treated
2299 * specially by XClearArea
2300 */
2301 XClearArea(R->Xdisplay, R->TermWin.vt, 0, 0,
2302 (unsigned int)R->TermWin.int_bwidth,
2303 (unsigned int)TermWin_TotalHeight(), False);
2304 if (clearlast && R->TermWin.int_bwidth)
2305 /*
2306 * clear the whole screen height, note that width == 0 is treated
2307 * specially by XClearArea
2308 */
2309 XClearArea(R->Xdisplay, R->TermWin.vt,
2310 R->TermWin.width + R->TermWin.int_bwidth, 0,
2311 (unsigned int)R->TermWin.int_bwidth,
2312 (unsigned int)TermWin_TotalHeight(), False);
2313 if (refresh_type & SMOOTH_REFRESH)
2314 XSync(R->Xdisplay, False);
2315 2560
2316 R->num_scr = 0; 2561 if (scrollBar.state && scrollBar.win)
2317 R->num_scr_allow = 1; 2562 {
2318 R->want_refresh = 0; /* screen is current */ 2563 if (transparent)
2319} 2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2320/* ------------------------------------------------------------------------- */
2321
2322/* EXTPROTO */
2323void
2324rxvt_scr_clear(pR)
2325{
2326 if (!R->TermWin.mapped)
2327 return;
2328 R->num_scr_allow = 0;
2329 R->want_refresh = 1;
2330#ifdef TRANSPARENT
2331 if ((R->Options & Opt_transparent) && (R->am_pixmap_trans == 0)) {
2332 int i;
2333
2334 if (!(R->Options & Opt_transparent_all))
2335 i = 0;
2336 else 2565 else
2337 i = (int)(sizeof(R->TermWin.parent) / sizeof(Window)); 2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2338 for (; i--;) 2567 scrollBar.state = SB_STATE_IDLE;
2339 if (R->TermWin.parent[i] != None) 2568 scrollBar.show (0);
2340 XClearWindow(R->Xdisplay, R->TermWin.parent[i]); 2569 }
2570
2571 if (refresh)
2341 } 2572 {
2342#endif 2573 scr_clear ();
2343 XClearWindow(R->Xdisplay, R->TermWin.vt); 2574 scr_touch (true);
2575 }
2576 want_refresh = 1;
2344} 2577}
2345 2578
2346/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2347/* INTPROTO */
2348void 2580void
2581rxvt_term::scr_clear (bool really) noexcept
2582{
2583 if (!mapped)
2584 return;
2585
2586 num_scr_allow = 0;
2587 want_refresh = 1;
2588
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;
2612 }
2613}
2614
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 {
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
2349rxvt_scr_reverse_selection(pR) 2643rxvt_term::scr_reverse_selection () noexcept
2350{ 2644{
2351 int i, col, row, end_row; 2645 if (selection.op
2352 rend_t *srp; 2646 && current_screen == selection.screen
2353 2647 && selection.end.row >= view_start)
2354 if (R->selection.op && R->current_screen == R->selection.screen) { 2648 {
2355 end_row = R->TermWin.saveLines - R->TermWin.view_start; 2649#if !ENABLE_MINIMAL
2356 i = R->selection.beg.row + R->TermWin.saveLines; 2650 if (selection.rect)
2357 row = R->selection.end.row + R->TermWin.saveLines; 2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2358 if (i >= end_row) 2652 selection.end.row, selection.end.col,
2359 col = R->selection.beg.col; 2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2360 else { 2654 else
2361 col = 0;
2362 i = end_row;
2363 }
2364 end_row += R->TermWin.nrow;
2365 for (; i < row && i < end_row; i++, col = 0)
2366 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2367#ifndef OPTION_HC
2368 srp[col] ^= RS_RVid;
2369#else
2370 srp[col] ^= RS_Blink;
2371#endif 2655#endif
2372 if (i == row && i < end_row) 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2373 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++) 2657 selection.end.row, selection.end.col,
2374#ifndef OPTION_HC 2658 RS_Sel | RS_RVid);
2375 srp[col] ^= RS_RVid;
2376#else
2377 srp[col] ^= RS_Blink;
2378#endif
2379 } 2659 }
2380} 2660}
2381 2661
2382/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2383/* 2663/*
2384 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2385 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2386 */ 2666 */
2387#if 0 2667#if 0
2388/* EXTPROTO */
2389void 2668void
2390rxvt_scr_dump(pR_ int fd) 2669rxvt_term::scr_dump (int fd) noexcept
2391{ 2670{
2392 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2393 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2394 char r1[] = "\n";
2395
2396 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2397 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2398 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2399 : R->TermWin.ncol;
2400 for (towrite = width; towrite; towrite -= wrote) {
2401 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2402 towrite);
2403 if (wrote < 0)
2404 return; /* XXX: death, no report */
2405 }
2406 if (R->screen.tlen[row] >= 0)
2407 if (write(fd, r1, 1) <= 0)
2408 return; /* XXX: death, no report */
2409 }
2410} 2673}
2411#endif 2674#endif
2412 2675
2413/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2414 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2415 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2416
2417/*
2418 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2419 */
2420/* EXTPROTO */
2421void 2679void
2422rxvt_selection_check(pR_ int check_more) 2680rxvt_term::selection_check (int check_more) noexcept
2423{ 2681{
2424 row_col_t pos;
2425
2426 if (!R->selection.op) 2682 if (!selection.op)
2427 return; 2683 return;
2428 2684
2429 pos.row = pos.col = 0; 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2430 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2431 || (R->selection.beg.row >= R->TermWin.nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2432 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2433 || (R->selection.mark.row >= R->TermWin.nrow)
2434 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2435 || (R->selection.end.row >= R->TermWin.nrow)
2436 || (check_more == 1 2688 || (check_more == 1
2437 && R->current_screen == R->selection.screen 2689 && current_screen == selection.screen
2438 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2439 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2440 || (check_more == 2
2441 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2442 && ROWCOL_IS_AFTER(R->selection.end, pos))
2443 || (check_more == 3
2444 && ROWCOL_IS_AFTER(R->selection.end, pos))
2445 || (check_more == 4 /* screen width change */
2446 && (R->selection.beg.row != R->selection.end.row
2447 || R->selection.end.col > R->TermWin.ncol)))
2448 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;
2449} 2707}
2450 2708
2451/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2452/* 2710/*
2453 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2454 */ 2712 */
2455void 2713void
2456rxvt_term::paste (const unsigned char *data, unsigned int len) 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2457{ 2715{
2458 unsigned int i, j, n;
2459 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2460
2461#if 0
2462 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2463 ZERO_SCROLLBACK (r);
2464#endif
2465
2466 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2467 for (i = 0; i < len; i += PROP_SIZE) 2717 for (unsigned int i = 0; i < len; i++)
2468 { 2718 if (data[i] == C0_LF)
2469 n = min (len - i, PROP_SIZE); 2719 data[i] = C0_CR;
2470 MEMCPY (ds, data + i, n);
2471 2720
2472 for (j = 0; j < n; j++) 2721 #if ENABLE_FRILLS
2473 if (ds[j] == '\n') 2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2474 ds[j] = '\r'; 2723 tt_printf ("\x1b[200~");
2475
2476 tt_write (ds, (int)n);
2477 }
2478
2479 free(ds);
2480}
2481
2482/* ------------------------------------------------------------------------- */
2483/*
2484 * Respond to a notification that a primary selection has been sent
2485 * EXT: SelectionNotify
2486 */
2487/* EXTPROTO */
2488int
2489rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2490{
2491 long nread = 0;
2492 unsigned long bytes_after;
2493 XTextProperty ct;
2494 int dummy_count;
2495 char **cl;
2496
2497 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait));
2498
2499 if (prop == None) /* check for failed XConvertSelection */
2500 {
2501 if ((R->selection_type & Sel_CompoundText))
2502 {
2503 int selnum = R->selection_type & Sel_whereMask;
2504
2505 R->selection_type = 0;
2506 if (selnum != Sel_direct)
2507 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2508 }
2509
2510 return 0;
2511 }
2512
2513 for (;;)
2514 {
2515 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2516 (long)(PROP_SIZE / 4), delete_prop,
2517 AnyPropertyType, &ct.encoding, &ct.format,
2518 &ct.nitems, &bytes_after,
2519 &ct.value) != Success)
2520 break;
2521
2522 if (ct.encoding == 0)
2523 {
2524 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2525 break;
2526 }
2527
2528 if (ct.value == NULL)
2529 {
2530 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2531 continue;
2532 }
2533
2534 if (ct.nitems == 0)
2535 {
2536 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2537 if (R->selection_wait == Sel_normal && nread == 0)
2538 {
2539 /*
2540 * pass through again trying CUT_BUFFER0 if we've come from
2541 * XConvertSelection() but nothing was presented
2542 */
2543 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2544 rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False);
2545 }
2546
2547 nread = -1; /* discount any previous stuff */
2548 break;
2549 }
2550
2551 nread += ct.nitems;
2552 if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl,
2553 &dummy_count) == Success && cl)
2554 {
2555 R->paste ((unsigned char *)cl[0], STRLEN (cl[0]));
2556 XFreeStringList (cl);
2557 }
2558 else
2559 R->paste (ct.value, ct.nitems);
2560
2561 if (bytes_after == 0)
2562 break;
2563
2564 XFree (ct.value);
2565 }
2566
2567 if (ct.value)
2568 XFree (ct.value);
2569
2570 if (R->selection_wait == Sel_normal)
2571 R->selection_wait = Sel_none;
2572
2573 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2574 return (int)nread;
2575}
2576
2577void
2578rxvt_term::incr_cb (time_watcher &w)
2579{
2580 w.stop ();
2581 selection_wait = Sel_none;
2582
2583 rxvt_print_error("data loss: timeout on INCR selection paste");
2584}
2585
2586/*
2587 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2588 */
2589/* EXTPROTO */
2590void
2591rxvt_selection_property(pR_ Window win, Atom prop)
2592{
2593 int reget_time = 0;
2594
2595 if (prop == None)
2596 return;
2597 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2598 if (R->selection_wait == Sel_normal) {
2599 int a, afmt;
2600 Atom atype;
2601 unsigned long bytes_after, nitems;
2602 unsigned char *s = NULL;
2603
2604 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False,
2605 R->xa[XA_INCR], &atype, &afmt, &nitems,
2606 &bytes_after, &s);
2607 if (s)
2608 XFree(s);
2609 if (a != Success)
2610 return;
2611#ifndef __CYGWIN32__
2612 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2613 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2614 XDeleteProperty(R->Xdisplay, win, prop);
2615 XFlush(R->Xdisplay);
2616 reget_time = 1;
2617 R->selection_wait = Sel_incr;
2618 }
2619#endif 2724 #endif
2620 } else if (R->selection_wait == Sel_incr) { 2725
2621 reget_time = 1; 2726 tt_write (data, len);
2622 if (rxvt_selection_paste(aR_ win, prop, True) == -1) { 2727
2623 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); 2728 #if ENABLE_FRILLS
2624 R->selection_wait = Sel_none; 2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2625 R->incr_ev.stop (); 2730 tt_printf ("\x1b[201~");
2626 } 2731 #endif
2627 }
2628 if (reget_time) /* received more data so reget time */
2629 R->incr_ev.start (NOW + 10);
2630} 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
2631/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2632/* 2744/*
2633 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2634 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2635 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2636 * > CUT_BUFFER0
2637 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2638 * will auto fallback to CUT_BUFFER0
2639 * EXT: button 2 release 2748 * EXT: button 2 release
2640 */ 2749 */
2641/* EXTPROTO */
2642void 2750void
2643rxvt_selection_request(pR_ Time tm, int x, int y) 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2644{ 2752{
2645 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2753 if (!selection_req)
2646 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2647 return; /* outside window */
2648
2649 if (R->selection.text != NULL) { /* internal selection */
2650 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2651 R->paste (R->selection.text, R->selection.len);
2652 return;
2653 } else {
2654 int i;
2655
2656 R->selection_request_time = tm;
2657 R->selection_wait = Sel_normal;
2658 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2659 R->selection_type = Sel_CompoundText;
2660 if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i))
2661 return;
2662 }
2663 } 2754 {
2664 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);
2665 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2756 selection_req->run ();
2666 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2667}
2668
2669/* INTPROTO */
2670int
2671rxvt_selection_request_other(pR_ Atom target, int selnum)
2672{
2673 Atom sel;
2674#ifdef DEBUG_SELECT
2675 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2676#endif
2677
2678 R->selection_type |= selnum;
2679 if (selnum == Sel_Primary)
2680 sel = XA_PRIMARY;
2681 else if (selnum == Sel_Secondary)
2682 sel = XA_SECONDARY;
2683 else
2684 sel = R->xa[XA_CLIPBOARD];
2685 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2686 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2687 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2688 R->TermWin.vt, R->selection_request_time);
2689 return 1;
2690 } 2757 }
2691 return 0;
2692} 2758}
2693 2759
2694/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2695/* 2761/*
2696 * Clear all selected text 2762 * Clear all selected text
2697 * EXT: SelectionClear 2763 * EXT: SelectionClear
2698 */ 2764 */
2699/* EXTPROTO */
2700void 2765void
2701rxvt_selection_clear(pR) 2766rxvt_term::selection_clear (bool clipboard) noexcept
2702{ 2767{
2703 D_SELECT((stderr, "rxvt_selection_clear()")); 2768 if (!clipboard)
2704 2769 {
2705 R->want_refresh = 1; 2770 want_refresh = 1;
2706 if (R->selection.text)
2707 free(R->selection.text); 2771 free (selection.text);
2708 R->selection.text = NULL; 2772 selection.text = NULL;
2709 R->selection.len = 0; 2773 selection.len = 0;
2710 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 }
2711} 2788}
2712 2789
2713/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2714/* 2791/*
2715 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2716 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2717 */ 2794 */
2718/* EXTPROTO */
2719void 2795void
2720rxvt_selection_make(pR_ Time tm) 2796rxvt_term::selection_make (Time tm)
2721{ 2797{
2722 int i, col, end_col, row, end_row; 2798 int size;
2723 unsigned char *new_selection_text; 2799 wchar_t *new_selection_text;
2724 char *str; 2800 text_t *t;
2725 text_t *t;
2726#ifdef ACS_ASCII
2727 rend_t *re;
2728#endif
2729 2801
2730 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2731 switch (R->selection.op) { 2802 switch (selection.op)
2803 {
2732 case SELECTION_CONT: 2804 case SELECTION_CONT:
2733 break; 2805 break;
2734 case SELECTION_INIT: 2806 case SELECTION_INIT:
2735 CLEAR_SELECTION(R); 2807 CLEAR_SELECTION ();
2736 /* FALLTHROUGH */ 2808 /* FALLTHROUGH */
2737 case SELECTION_BEGIN: 2809 case SELECTION_BEGIN:
2738 R->selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2739 /* FALLTHROUGH */ 2811 /* FALLTHROUGH */
2740 default: 2812 default:
2741 return; 2813 return;
2742 } 2814 }
2815
2743 R->selection.op = SELECTION_DONE; 2816 selection.op = SELECTION_DONE;
2744 2817
2745 if (R->selection.clicks == 4) 2818 if (selection.clicks == 4)
2746 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2747 2820
2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2822 return;
2823
2748 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);
2749 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2750 2826
2751 new_selection_text = (unsigned char *)str; 2827 int ofs = 0;
2828 int extra = 0;
2752 2829
2753 col = R->selection.beg.col; 2830 int col = selection.beg.col;
2754 MAX_IT(col, 0); 2831 int row = selection.beg.row;
2755 row = R->selection.beg.row + R->TermWin.saveLines;
2756 end_row = R->selection.end.row + R->TermWin.saveLines;
2757 2832
2833 int end_col;
2834
2758 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)
2759 { 2839 {
2760 t = &(R->screen.text[row][col]); 2840 col = selection.beg.col;
2761
2762 end_col = R->screen.tlen[row];
2763
2764 if (end_col == -1)
2765 end_col = R->TermWin.ncol; 2841 end_col = selection.end.col;
2842 }
2843 else
2844#endif
2845 end_col = ROW(row).l;
2766 2846
2847 col = max (col, 0);
2848
2767 if (row == end_row) 2849 if (row == selection.end.row)
2768 MIN_IT (end_col, R->selection.end.col); 2850 min_it (end_col, selection.end.col);
2769 2851
2852 t = ROW(row).t + col;
2853
2770 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
2855 {
2771 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2772 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
2773 else 2875 else
2774 { 2876 new_selection_text[ofs++] = *t++;
2775 int len = wctomb (str, *t++);
2776 if (len > 0)
2777 str += len;
2778 }
2779
2780 if (R->screen.tlen[row] != -1 && row != end_row)
2781 *str++ = '\n';
2782 } 2877 }
2783 2878
2784#ifndef NO_OLD_SELECTION 2879#if !ENABLE_MINIMAL
2785 if (R->selection_style == OLD_SELECT) 2880 if (selection.rect)
2786 if (end_col == R->TermWin.ncol)
2787 *str++ = '\n';
2788#endif
2789#ifndef NO_NEW_SELECTION
2790 if (R->selection_style != OLD_SELECT)
2791 if (end_col != R->selection.end.col)
2792 *str++ = '\n';
2793#endif
2794 *str = '\0';
2795
2796 i = str - (char *)new_selection_text;
2797 if (i == 0)
2798 { 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;
2888 }
2889 else
2890#endif
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)
2900 {
2799 free (new_selection_text); 2901 free (new_selection_text);
2800 return; 2902 return;
2801 } 2903 }
2802 2904
2803 // due to MB_MAX_CUR, selection wastage is usually high
2804 if (str - (char *)new_selection_text > 1024)
2805 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2806
2807 R->selection.len = i;
2808 if (R->selection.text)
2809 free (R->selection.text); 2905 free (selection.text);
2810 2906
2811 R->selection.text = new_selection_text; 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));
2812 2910
2813 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2911 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2814 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2912 return;
2815 rxvt_print_error("can't get primary selection"); 2913
2816 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2914 selection_grab (tm);
2817 PropModeReplace, R->selection.text, (int)R->selection.len); 2915}
2916
2917bool
2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
2818 R->selection_time = tm; 2924 selection_time = tm;
2819 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
2820} 2954}
2821 2955
2822/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
2823/* 2957/*
2824 * 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
2825 * EXT: button 1 press 2959 * EXT: button 1 press
2826 */ 2960 */
2827/* EXTPROTO */ 2961void ecb_cold
2828void
2829rxvt_selection_click(pR_ int clicks, int x, int y) 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
2830{ 2963{
2831 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2832
2833 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
2834 R->selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
2835 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
2836 rxvt_selection_start_colrow(aR_ Pixel2Col(x), Pixel2Row(y)); 2976 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2977
2837 if (clicks == 2 || clicks == 3) 2978 if (clicks == 2 || clicks == 3)
2838 rxvt_selection_extend_colrow(aR_ R->selection.mark.col, 2979 selection_extend_colrow (selection.mark.col,
2839 R->selection.mark.row 2980 selection.mark.row - view_start,
2840 + R->TermWin.view_start,
2841 0, /* button 3 */ 2981 0, /* button 3 */
2842 1, /* button press */ 2982 1, /* button press */
2843 0); /* click change */ 2983 0); /* click change */
2844} 2984}
2845 2985
2846/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
2847/* 2987/*
2848 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
2849 */ 2989 */
2850/* INTPROTO */ 2990void ecb_cold
2851void
2852rxvt_selection_start_colrow(pR_ int col, int row) 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
2853{ 2992{
2854 R->want_refresh = 1; 2993 want_refresh = 1;
2994
2995 selection.mark.row = row + view_start;
2855 R->selection.mark.col = col; 2996 selection.mark.col = col;
2856 R->selection.mark.row = row - R->TermWin.view_start; 2997
2857 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2998 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2858 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)
2859 MAX_IT(R->selection.mark.col, 0); 3003 --selection.mark.col;
2860 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2861 3004
2862 if (R->selection.op) { /* clear the old selection */ 3005 if (selection.op)
3006 {
3007 /* clear the old selection */
2863 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3008 selection.beg.row = selection.end.row = selection.mark.row;
2864 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3009 selection.beg.col = selection.end.col = selection.mark.col;
2865 } 3010 }
3011
2866 R->selection.op = SELECTION_INIT; 3012 selection.op = SELECTION_INIT;
2867 R->selection.screen = R->current_screen; 3013 selection.screen = current_screen;
2868} 3014}
2869 3015
2870/* ------------------------------------------------------------------------- */ 3016/* ------------------------------------------------------------------------- */
2871/* 3017/*
2872 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
2873 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
2874 */ 3020 */
2875 3021
2876/* 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 */
2877#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
2878 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2879#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
2880 3026
2881/* INTPROTO */ 3027void ecb_cold
2882void
2883rxvt_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
2884{ 3029{
2885 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
2886 row_col_t bound; 3031 row_col_t bound;
2887 text_t *stp; 3032 text_t *stp;
2888 rend_t *srp; 3033 rend_t *srp;
2889 3034
2890 if (dirn == UP) { 3035 if (dirn == UP)
2891 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3036 {
3037 bound.row = top_row - 1;
2892 bound.col = 0; 3038 bound.col = 0;
2893 dirnadd = -1; 3039 dirnadd = -1;
2894 } else { 3040 }
2895 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3041 else
3042 {
3043 bound.row = nrow;
2896 bound.col = R->TermWin.ncol - 1; 3044 bound.col = ncol - 1;
2897 dirnadd = 1; 3045 dirnadd = 1;
2898 } 3046 }
2899 row = mark->row + R->TermWin.saveLines; 3047
3048 row = mark->row;
2900 col = mark->col; 3049 col = max (mark->col, 0);
2901 MAX_IT(col, 0); 3050
2902/* find the edge of a word */ 3051 /* find the edge of a word */
2903 stp = &(R->screen.text[row][col]); 3052 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2904 w1 = DELIMIT_TEXT(*stp); 3053 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2905 3054
2906 if (R->selection_style != NEW_SELECT) { 3055 for (;;)
2907 if (w1 == 1) { 3056 {
3057 for (; col != bound.col; col += dirnadd)
3058 {
2908 stp += dirnadd; 3059 stp += dirnadd;
2909 if (DELIMIT_TEXT(*stp) == 1)
2910 goto Old_Word_Selection_You_Die;
2911 col += dirnadd;
2912 }
2913 w1 = 0;
2914 }
2915 srp = (&R->screen.rend[row][col]);
2916 w2 = DELIMIT_REND(*srp);
2917
2918 for (;;) {
2919 for (; col != bound.col; col += dirnadd) {
2920 stp += dirnadd; 3060 srp += dirnadd;
3061
3062 if (*stp == NOCHAR)
3063 continue;
3064
2921 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)
2922 break; 3079 break;
2923 srp += dirnadd; 3080
2924 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)
2925 break; 3085 break;
2926 } 3086
2927 if ((col == bound.col) && (row != bound.row)) {
2928 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2929 trow = row + dirnadd;
2930 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2931 if (R->screen.text[trow] == NULL)
2932 break;
2933 stp = &(R->screen.text[trow][tcol]);
2934 srp = &(R->screen.rend[trow][tcol]);
2935 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2936 break;
2937 row = trow; 3087 row = trow;
2938 col = tcol; 3088 col = tcol;
2939 continue; 3089 continue;
2940 } 3090 }
2941 } 3091 }
2942 break; 3092 break;
2943 } 3093 }
2944 Old_Word_Selection_You_Die:
2945 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));
2946 3094
2947 if (dirn == DN) 3095 if (dirn == DN)
2948 col++; /* put us on one past the end */ 3096 col++; /* put us on one past the end */
2949 3097
2950/* Poke the values back in */ 3098 /* Poke the values back in */
2951 ret->row = row - R->TermWin.saveLines; 3099 ret->row = row;
2952 ret->col = col; 3100 ret->col = col;
2953} 3101}
2954 3102
2955/* ------------------------------------------------------------------------- */ 3103/* ------------------------------------------------------------------------- */
2956/* 3104/*
2957 * Extend the selection to the specified x/y pixel location 3105 * Extend the selection to the specified x/y pixel location
2958 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
2959 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
2960 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
2961 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
2962 */ 3110 */
2963/* EXTPROTO */ 3111void ecb_cold
2964void
2965rxvt_selection_extend(pR_ int x, int y, int flag) 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
2966{ 3113{
2967 int col, row; 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2968 3116
2969 col = Pixel2Col(x); 3117 /*
2970 row = Pixel2Row(y);
2971 MAX_IT(row, 0);
2972 MIN_IT(row, (int)R->TermWin.nrow - 1);
2973 MAX_IT(col, 0);
2974 MIN_IT(col, (int)R->TermWin.ncol);
2975#ifndef NO_NEW_SELECTION
2976/*
2977 * 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
2978 * 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
2979 * 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
2980 * be _past_ a character for it to be selected. 3121 * be _past_ a character for it to be selected.
2981 */ 3122 */
2982 if (R->selection_style != OLD_SELECT) {
2983 if (((R->selection.clicks % 3) == 1) && !flag 3123 if (((selection.clicks % 3) == 1) && !flag
2984 && (col == R->selection.mark.col 3124 && (col == selection.mark.col
2985 && (row == R->selection.mark.row + R->TermWin.view_start))) { 3125 && (row == selection.mark.row - view_start)))
3126 {
2986 /* select nothing */ 3127 /* select nothing */
2987 R->selection.beg.row = R->selection.end.row = 0; 3128 selection.beg.row = selection.end.row = 0;
2988 R->selection.beg.col = R->selection.end.col = 0; 3129 selection.beg.col = selection.end.col = 0;
2989 R->selection.clicks = 4; 3130 selection.clicks = 4;
2990 R->want_refresh = 1; 3131 want_refresh = 1;
2991 D_SELECT((stderr, "rxvt_selection_extend() R->selection.clicks = 4"));
2992 return; 3132 return;
2993 }
2994 } 3133 }
2995#endif 3134
2996 if (R->selection.clicks == 4) 3135 if (selection.clicks == 4)
2997 R->selection.clicks = 1; 3136 selection.clicks = 1;
3137
2998 rxvt_selection_extend_colrow(aR_ col, row, !!flag, /* ? button 3 */ 3138 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2999 flag == 1 ? 1 : 0, /* ? button press */ 3139 flag == 1 ? 1 : 0, /* ? button press */
3000 0); /* no click change */ 3140 0); /* no click change */
3001} 3141}
3002 3142
3003/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3004/* 3144/*
3005 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3006 */ 3146 */
3007/* INTPROTO */ 3147void ecb_cold
3008void
3009rxvt_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
3010{ 3149{
3011 int16_t ncol = R->TermWin.ncol;
3012 int end_col;
3013 row_col_t pos; 3150 row_col_t pos;
3014 enum { 3151 enum {
3015 LEFT, RIGHT 3152 LEFT, RIGHT
3016 } closeto = RIGHT; 3153 } closeto = RIGHT;
3017 3154
3018 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));
3019 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));
3020
3021 R->want_refresh = 1;
3022 switch (R->selection.op) { 3155 switch (selection.op)
3156 {
3023 case SELECTION_INIT: 3157 case SELECTION_INIT:
3024 CLEAR_SELECTION(R); 3158 CLEAR_SELECTION ();
3025 R->selection.op = SELECTION_BEGIN; 3159 selection.op = SELECTION_BEGIN;
3026 /* FALLTHROUGH */ 3160 /* FALLTHROUGH */
3027 case SELECTION_BEGIN: 3161 case SELECTION_BEGIN:
3028 if (row != R->selection.mark.row || col != R->selection.mark.col 3162 if (row != selection.mark.row || col != selection.mark.col
3029 || (!button3 && buttonpress)) 3163 || (!button3 && buttonpress))
3030 R->selection.op = SELECTION_CONT; 3164 selection.op = SELECTION_CONT;
3031 break; 3165 break;
3032 case SELECTION_DONE: 3166 case SELECTION_DONE:
3033 R->selection.op = SELECTION_CONT; 3167 selection.op = SELECTION_CONT;
3034 /* FALLTHROUGH */ 3168 /* FALLTHROUGH */
3035 case SELECTION_CONT: 3169 case SELECTION_CONT:
3036 break; 3170 break;
3037 case SELECTION_CLEAR: 3171 case SELECTION_CLEAR:
3038 rxvt_selection_start_colrow(aR_ col, row); 3172 selection_start_colrow (col, row);
3039 /* FALLTHROUGH */ 3173 /* FALLTHROUGH */
3040 default: 3174 default:
3041 return; 3175 return;
3042 } 3176 }
3177
3043 if (R->selection.beg.col == R->selection.end.col 3178 if (selection.beg.col == selection.end.col
3044 && R->selection.beg.col != R->selection.mark.col 3179 && selection.beg.col != selection.mark.col
3045 && R->selection.beg.row == R->selection.end.row 3180 && selection.beg.row == selection.end.row
3046 && R->selection.beg.row != R->selection.mark.row) { 3181 && selection.beg.row != selection.mark.row)
3182 {
3047 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3183 selection.beg.col = selection.end.col = selection.mark.col;
3048 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3184 selection.beg.row = selection.end.row = selection.mark.row;
3049 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));
3050 } 3185 }
3051 3186
3052 pos.col = col; 3187 pos.col = col;
3053 pos.row = row; 3188 pos.row = view_start + row;
3054 3189
3055 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3190 /*
3056 3191 * This is mainly xterm style selection with a couple of differences, mainly
3057#ifndef NO_OLD_SELECTION 3192 * in the way button3 drag extension works.
3058/* 3193 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * 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
3060 * There are no ``selection modes'', button3 is always character extension. 3195 * is always at the left/right edge of the selection.
3061 * Note: button3 drag is always available, c.f. v2.20 3196 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * 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
3063 */ 3202 */
3064 if (R->selection_style == OLD_SELECT) { 3203 if (button3 && buttonpress)
3065 if (R->selection.clicks == 1 || button3) { 3204 {
3066 if (R->hate_those_clicks) { 3205 /* button3 press */
3067 R->hate_those_clicks = 0; 3206 /*
3068 if (R->selection.clicks == 1) { 3207 * first determine which edge of the selection we are closest to
3069 R->selection.beg.row = R->selection.mark.row; 3208 */
3070 R->selection.beg.col = R->selection.mark.col; 3209 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3071 } 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;
3072 R->selection.mark.row = R->selection.beg.row; 3228 selection.mark.row = selection.beg.row;
3073 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;
3074 } 3301 }
3075 } 3302 }
3076 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3077 R->selection.end.row = R->selection.mark.row;
3078 R->selection.end.col = R->selection.mark.col + 1;
3079 R->selection.beg.row = pos.row;
3080 R->selection.beg.col = pos.col;
3081 } else {
3082 R->selection.beg.row = R->selection.mark.row;
3083 R->selection.beg.col = R->selection.mark.col;
3084 R->selection.end.row = pos.row;
3085 R->selection.end.col = pos.col + 1;
3086 } 3303 }
3087 } else if (R->selection.clicks == 2) { 3304 else
3088 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3305#endif
3089 &(R->selection.beg)); 3306 {
3090 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3307 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3091 &(R->selection.end)); 3308 selection.mark.col++;
3092 R->hate_those_clicks = 1; 3309
3093 } else if (R->selection.clicks == 3) {
3094 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3095 R->selection.beg.col = 0; 3310 selection.beg.col = 0;
3096 R->selection.end.col = ncol; 3311 selection.end.col = ncol;
3097 R->hate_those_clicks = 1; 3312
3098 } 3313 // select a complete logical line
3099 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
3100 return; 3315 && ROW(selection.beg.row - 1).is_longer ())
3101 } 3316 selection.beg.row--;
3102#endif /* ! NO_OLD_SELECTION */ 3317
3103#ifndef NO_NEW_SELECTION 3318 while (selection.end.row < nrow
3104/* selection_style must not be OLD_SELECT to get here */ 3319 && ROW(selection.end.row).is_longer ())
3105/* 3320 selection.end.row++;
3106 * This is mainly xterm style selection with a couple of differences, mainly
3107 * in the way button3 drag extension works.
3108 * We're either doing: button1 drag; button3 press; or button3 drag
3109 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3110 * is always at the left/right edge of the R->selection.
3111 * b) button3 press: extend/contract character/word/line at whichever edge of
3112 * the selection we are closest to.
3113 * c) button3 drag : extend/contract character/word/line - we select around
3114 * a point/word/line which is either the start or end of the selection
3115 * and it was decided by whichever point/word/line was `fixed' at the
3116 * time of the most recent button3 press
3117 */
3118 if (button3 && buttonpress) { /* button3 press */
3119 /* 3321 }
3120 * first determine which edge of the selection we are closest to 3322 }
3121 */ 3323
3122 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3324 if (button3 && buttonpress)
3123 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3325 {
3124 && (((pos.col - R->selection.beg.col) 3326 /* mark may need to be changed */
3125 + ((pos.row - R->selection.beg.row) * ncol))
3126 < ((R->selection.end.col - pos.col)
3127 + ((R->selection.end.row - pos.row) * ncol)))))
3128 closeto = LEFT;
3129 if (closeto == LEFT) { 3327 if (closeto == LEFT)
3130 R->selection.beg.row = pos.row; 3328 {
3131 R->selection.beg.col = pos.col;
3132 R->selection.mark.row = R->selection.end.row; 3329 selection.mark.row = selection.end.row;
3133 R->selection.mark.col = R->selection.end.col 3330 selection.mark.col = selection.end.col - (selection.clicks == 2);
3134 - (R->selection.clicks == 2); 3331 }
3135 } else { 3332 else
3136 R->selection.end.row = pos.row; 3333 {
3137 R->selection.end.col = pos.col;
3138 R->selection.mark.row = R->selection.beg.row; 3334 selection.mark.row = selection.beg.row;
3139 R->selection.mark.col = R->selection.beg.col; 3335 selection.mark.col = selection.beg.col;
3140 }
3141 } else { /* button1 drag or button3 drag */
3142 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3143 if ((R->selection.mark.row == R->selection.end.row)
3144 && (R->selection.mark.col == R->selection.end.col)
3145 && clickchange && R->selection.clicks == 2)
3146 R->selection.mark.col--;
3147 R->selection.beg.row = pos.row;
3148 R->selection.beg.col = pos.col;
3149 R->selection.end.row = R->selection.mark.row;
3150 R->selection.end.col = R->selection.mark.col
3151 + (R->selection.clicks == 2);
3152 } else {
3153 R->selection.beg.row = R->selection.mark.row;
3154 R->selection.beg.col = R->selection.mark.col;
3155 R->selection.end.row = pos.row;
3156 R->selection.end.col = pos.col;
3157 }
3158 }
3159
3160 if (R->selection.clicks == 1) {
3161 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3162 if (end_col != -1 && R->selection.beg.col > end_col) {
3163#if 1
3164 R->selection.beg.col = ncol;
3165#else
3166 if (R->selection.beg.row != R->selection.end.row)
3167 R->selection.beg.col = ncol;
3168 else
3169 R->selection.beg.col = R->selection.mark.col;
3170#endif
3171 }
3172 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3173 if (end_col != -1 && R->selection.end.col > end_col)
3174 R->selection.end.col = ncol;
3175
3176 } else if (R->selection.clicks == 2) {
3177 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3178 R->selection.end.col--;
3179 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3180 &(R->selection.beg));
3181 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3182 &(R->selection.end));
3183 } else if (R->selection.clicks == 3) {
3184#ifndef NO_FRILLS
3185 if ((R->Options & Opt_tripleclickwords)) {
3186 int end_row;
3187
3188 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3189 &(R->selection.beg));
3190 end_row = R->screen.tlen[R->selection.mark.row
3191 + R->TermWin.saveLines];
3192 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3193 end_row++) {
3194 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3195 if (end_col != -1) {
3196 R->selection.end.row = end_row;
3197 R->selection.end.col = end_col;
3198 rxvt_selection_remove_trailing_spaces(aR);
3199 break;
3200 }
3201 }
3202 } else
3203#endif
3204 { 3336 }
3205 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3206 R->selection.mark.col++;
3207 R->selection.beg.col = 0;
3208 R->selection.end.col = ncol;
3209 }
3210 } 3337 }
3211 if (button3 && buttonpress) { /* mark may need to be changed */
3212 if (closeto == LEFT) {
3213 R->selection.mark.row = R->selection.end.row;
3214 R->selection.mark.col = R->selection.end.col
3215 - (R->selection.clicks == 2);
3216 } else {
3217 R->selection.mark.row = R->selection.beg.row;
3218 R->selection.mark.col = R->selection.beg.col;
3219 }
3220 }
3221 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));
3222#endif /* ! NO_NEW_SELECTION */
3223}
3224 3338
3225#ifndef NO_FRILLS 3339#if !ENABLE_MINIMAL
3226/* INTPROTO */ 3340 if (selection.rect && selection.beg.col > selection.end.col)
3227void 3341 ::swap (selection.beg.col, selection.end.col);
3342#endif
3343
3344 selection_changed ();
3345}
3346
3347#if !ENABLE_MINIMAL
3348void ecb_cold
3228rxvt_selection_remove_trailing_spaces(pR) 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3229{ 3350{
3230 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3231 text_t *stp; 3352 text_t *stp;
3232 3353
3233 end_col = R->selection.end.col; 3354 end_col = selection.end.col;
3234 end_row = R->selection.end.row; 3355 end_row = selection.end.row;
3356
3235 for ( ; end_row >= R->selection.beg.row; ) { 3357 for (; end_row >= selection.beg.row; )
3236 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3358 {
3359 stp = ROW(end_row).t;
3360
3237 while (--end_col >= 0) { 3361 while (--end_col >= 0)
3238 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3239 break;
3240 } 3362 {
3241 if (end_col >= 0 3363 if (stp[end_col] != NOCHAR
3242 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3364 && !unicode::is_space (stp[end_col]))
3243 R->selection.end.col = end_col + 1;
3244 R->selection.end.row = end_row;
3245 break; 3365 break;
3246 } 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
3247 end_row--; 3376 end_row--;
3248 end_col = R->TermWin.ncol; 3377 end_col = ncol;
3249 } 3378 }
3379
3250 if (R->selection.mark.row > R->selection.end.row) { 3380 if (selection.mark.row > selection.end.row)
3381 {
3251 R->selection.mark.row = R->selection.end.row; 3382 selection.mark.row = selection.end.row;
3252 R->selection.mark.col = R->selection.end.col; 3383 selection.mark.col = selection.end.col;
3384 }
3253 } else if (R->selection.mark.row == R->selection.end.row 3385 else if (selection.mark.row == selection.end.row
3254 && R->selection.mark.col > R->selection.end.col) 3386 && selection.mark.col > selection.end.col)
3255 R->selection.mark.col = R->selection.end.col; 3387 selection.mark.col = selection.end.col;
3256} 3388}
3257#endif 3389#endif
3258 3390
3259/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3260/* 3392/*
3261 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3262 * EXT: button 3 double click 3394 * EXT: button 3 double click
3263 */ 3395 */
3264/* EXTPROTO */ 3396void ecb_cold
3265void
3266rxvt_selection_rotate(pR_ int x, int y) 3397rxvt_term::selection_rotate (int x, int y) noexcept
3267{ 3398{
3268 R->selection.clicks = R->selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3269 rxvt_selection_extend_colrow(aR_ Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3270} 3401}
3271
3272/* ------------------------------------------------------------------------- */
3273/*
3274 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3275 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3276 * the X11 protocol.
3277 */
3278typedef CARD32 Atom32;
3279 3402
3280/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3281/* 3404/*
3282 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3283 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3284 */ 3407 */
3285/* EXTPROTO */ 3408void ecb_cold
3286void
3287rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3288{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3289 XSelectionEvent ev; 3412 XSelectionEvent ev;
3290#ifdef USE_XIM 3413
3414 ev.type = SelectionNotify;
3415 ev.property = None;
3416 ev.display = rq.display;
3417 ev.requestor = rq.requestor;
3418 ev.selection = rq.selection;
3419 ev.target = rq.target;
3420 ev.time = rq.time;
3421
3422 if (rq.target == xa[XA_TARGETS])
3423 {
3291 Atom32 target_list[4]; 3424 Atom target_list[6];
3425 Atom *target = target_list;
3426
3427 *target++ = xa[XA_TARGETS];
3428 *target++ = xa[XA_TIMESTAMP];
3429 *target++ = XA_STRING;
3430 *target++ = xa[XA_TEXT];
3431 *target++ = xa[XA_COMPOUND_TEXT];
3432#if X_HAVE_UTF8_STRING
3433 *target++ = xa[XA_UTF8_STRING];
3434#endif
3435
3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3437 32, PropModeReplace,
3438 (unsigned char *)target_list, target - target_list);
3439 ev.property = property;
3440 }
3441#if TODO // TODO
3442 else if (rq.target == xa[XA_MULTIPLE])
3443 {
3444 /* TODO: Handle MULTIPLE */
3445 }
3446#endif
3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3448 {
3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
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 }
3459 else if (rq.target == XA_STRING
3460 || rq.target == xa[XA_TEXT]
3461 || rq.target == xa[XA_COMPOUND_TEXT]
3462 || rq.target == xa[XA_UTF8_STRING]
3463 )
3464 {
3465 XTextProperty ct;
3466 Atom target = rq.target;
3467 short freect = 0;
3468 int selectlen;
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,
3292#else 3476#else
3293 Atom32 target_list[3]; 3477 enc_utf8 = -1,
3294#endif 3478#endif
3295 Atom target; 3479 } style;
3296 XTextProperty ct;
3297 XICCEncodingStyle style;
3298 char *cl[2], dummy[1];
3299 3480
3300 ev.type = SelectionNotify;
3301 ev.property = None;
3302 ev.display = rq->display;
3303 ev.requestor = rq->requestor;
3304 ev.selection = rq->selection;
3305 ev.target = rq->target;
3306 ev.time = rq->time;
3307
3308 if (rq->target == R->xa[XA_TARGETS]) {
3309 target_list[0] = (Atom32) R->xa[XA_TARGETS];
3310 target_list[1] = (Atom32) XA_STRING;
3311 target_list[2] = (Atom32) R->xa[XA_TEXT];
3312#ifdef USE_XIM
3313 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3314#endif
3315 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3316 (8 * sizeof(target_list[0])), PropModeReplace,
3317 (unsigned char *)target_list,
3318 (sizeof(target_list) / sizeof(target_list[0])));
3319 ev.property = rq->property;
3320 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3321 /* TODO: Handle MULTIPLE */
3322 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3323 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3324 (8 * sizeof(Time)), PropModeReplace,
3325 (unsigned char *)&R->selection_time, 1);
3326 ev.property = rq->property;
3327 } else if (rq->target == XA_STRING
3328 || rq->target == R->xa[XA_COMPOUND_TEXT]
3329 || rq->target == R->xa[XA_TEXT]) {
3330#ifdef USE_XIM
3331 short freect = 0;
3332#endif
3333 int selectlen;
3334
3335#ifdef USE_XIM
3336 if (rq->target != XA_STRING) { 3481 if (target == XA_STRING)
3482 // we actually don't do XA_STRING, but who cares, as i18n clients
3483 // will ask for another format anyways.
3484 style = enc_string;
3485 else if (target == xa[XA_TEXT])
3486 style = enc_text;
3487 else if (target == xa[XA_COMPOUND_TEXT])
3488 style = enc_compound_text;
3489#if !ENABLE_MINIMAL
3490 else if (target == xa[XA_UTF8_STRING])
3491 style = enc_utf8;
3492#endif
3493 else
3494 {
3337 target = R->xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3338 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3496 style = enc_compound_text;
3339 ? XCompoundTextStyle : XStdICCTextStyle;
3340 } else
3341#endif
3342 { 3497 }
3343 target = XA_STRING; 3498
3344 style = XStringStyle; 3499 if (rq.selection == XA_PRIMARY && selection.text)
3345 } 3500 {
3346 if (R->selection.text) {
3347 cl[0] = (char *)R->selection.text; 3501 cl = selection.text;
3348 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 }
3349 } else { 3509 else
3350 cl[0] = dummy; 3510 {
3351 *dummy = '\0'; 3511 cl = (wchar_t *)L"";
3352 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)
3353 } 3519 {
3354#ifdef USE_XIM
3355 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct)
3356 == Success) /* if we failed to convert then send it raw */
3357 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 }
3358 else 3526 else
3359#endif 3527#endif
3528 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3529 freect = 1;
3530 else
3360 { 3531 {
3532 /* if we failed to convert then send it raw */
3361 ct.value = (unsigned char *)cl[0]; 3533 ct.value = (unsigned char *)cl;
3362 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3535 ct.encoding = target;
3363 } 3536 }
3537
3364 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3538 XChangeProperty (dpy, rq.requestor, property,
3365 target, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3366 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3367 ev.property = rq->property; 3541 ev.property = property;
3368#ifdef USE_XIM 3542
3369 if (freect) 3543 if (freect)
3370 XFree(ct.value); 3544 XFree (ct.value);
3371#endif
3372 } 3545 }
3546
3373 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3374} 3548}
3375 3549
3376/* ------------------------------------------------------------------------- * 3550/* ------------------------------------------------------------------------- */
3377 * MOUSE ROUTINES *
3378 * ------------------------------------------------------------------------- */
3379
3380/*
3381 * return col/row values corresponding to x/y pixel values
3382 */
3383/* EXTPROTO */
3384void
3385rxvt_pixel_position(pR_ int *x, int *y)
3386{
3387 *x = Pixel2Col(*x);
3388/* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3389 *y = Pixel2Row(*y);
3390/* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3391}
3392/* ------------------------------------------------------------------------- */
3393#ifdef USE_XIM 3551#if USE_XIM
3394/* EXTPROTO */ 3552void ecb_cold
3395void 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3396rxvt_setPosition(pR_ XPoint *pos)
3397{ 3554{
3398 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3399 3556
3400 XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3401 pos->x = Col2Pixel(R->screen.cur.col) + xwa.x; 3558
3402 pos->y = Height2Pixel((R->screen.cur.row + 1)) + xwa.y 3559 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3403 - R->TermWin.lineSpace; 3560 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3404} 3561}
3405#endif 3562#endif
3406/* ------------------------------------------------------------------------- */ 3563
3407 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
3408/* ------------------------------------------------------------------------- * 3702/* ------------------------------------------------------------------------- */
3409 * DEBUG ROUTINES *
3410 * ------------------------------------------------------------------------- */
3411#if 0
3412/* INTPROTO */
3413void
3414rxvt_debug_colors(void)
3415{
3416 int color;
3417 const char *name[] = {
3418 "fg", "bg",
3419 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3420 };
3421 3703
3422 fprintf(stderr, "Color ( ");
3423 if (R->rstyle & RS_RVid)
3424 fprintf(stderr, "rvid ");
3425 if (R->rstyle & RS_Bold)
3426 fprintf(stderr, "bold ");
3427 if (R->rstyle & RS_Blink)
3428 fprintf(stderr, "blink ");
3429 if (R->rstyle & RS_Uline)
3430 fprintf(stderr, "uline ");
3431 fprintf(stderr, "): ");
3432
3433 color = GET_FGCOLOR(R->rstyle);
3434#ifndef NO_BRIGHTCOLOR
3435 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3436 color -= (minBrightCOLOR - minCOLOR);
3437 fprintf(stderr, "bright ");
3438 }
3439#endif
3440 fprintf(stderr, "%s on ", name[color]);
3441
3442 color = GET_BGCOLOR(R->rstyle);
3443#ifndef NO_BRIGHTCOLOR
3444 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3445 color -= (minBrightCOLOR - minCOLOR);
3446 fprintf(stderr, "bright ");
3447 }
3448#endif
3449 fprintf(stderr, "%s\n", name[color]);
3450}
3451#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines