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 1.23 by pcg, Sat Jan 31 02:31:17 2004 UTC vs.
Revision 1.373 by sf-exg, Sat Feb 12 00:30:01 2011 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
6 * 7 *
7 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version. 11 * (at your option) any later version.
… …
16 * 17 *
17 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 21 *--------------------------------------------------------------------------*/
22
21/* 23/*
22 * We handle _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
23 */ 25 */
24 26
25#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 31#include <inttypes.h>
33#include <wchar.h>
34 32
35#include "salloc.C" // HACK!! 33#include "salloc.C" // HACK, should be a separate compile!
36 34
35static inline void
37inline void fill_text (text_t *start, text_t value, int len) 36fill_text (text_t *start, text_t value, int len)
38{ 37{
39 while (len--) 38 while (len--)
40 *start++ = value; 39 *start++ = value;
41} 40}
42 41
43/* ------------------------------------------------------------------------- */ 42/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 43#define TABSIZE 8 /* default tab size */
46 44
47/* ------------------------------------------------------------------------- * 45/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 46 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 47 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 48#define ZERO_SCROLLBACK() \
51 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 49 if (option (Opt_scrollTtyOutput)) \
52 TermWin.view_start = 0 50 view_start = 0
53#define CLEAR_SELECTION() \ 51#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 52 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 53 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 54#define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
58 = selection.mark.row = selection.mark.col \ 56 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0 57 = selection.end.row = selection.end.col = 0
60 58
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 59#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 60 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 61#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 62 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 64 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 65#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 66 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 68 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 69#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 70 (((A) == (C)) && ((B) <= (D)))
73 71
74/* these must be row_col_t */ 72/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 73#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 74 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 75#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 76 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 77#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 78 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 79#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 80 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 81#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 82 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 83#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 84 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 85
88/* 86/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 87 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 88 */
93#define drawBuffer TermWin.vt
94
95#define CLEAR_ROWS(row, num) \
96 if (TermWin.mapped) \
97 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel(row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel(num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 89#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 90 if (mapped) \
103 XClearArea (Xdisplay, drawBuffer, x, y, \ 91 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 92 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 93 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel(row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel(num))
112 94
113/* ------------------------------------------------------------------------- * 95/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 96 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 97 * ------------------------------------------------------------------------- */
98
116/* Fill part/all of a line with blanks. */ 99/* Fill part/all of a line with blanks. */
117void 100void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
119{ 102{
120 efs &= ~RS_baseattrMask; 103 if (!l.t)
104 {
105 lalloc (l);
106 col = 0;
107 width = ncol;
108 }
109
110 l.touch ();
111
112 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 113 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
114
115 text_t *et = l.t + col;
116 rend_t *er = l.r + col;
122 117
123 while (width--) 118 while (width--)
124 { 119 {
125 *et++ = ' '; 120 *et++ = ' ';
126 *er++ = efs; 121 *er++ = efs;
… …
128} 123}
129 124
130/* ------------------------------------------------------------------------- */ 125/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 126/* Fill a full line with blanks - make sure it is allocated first */
132void 127void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 128rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
134{ 129{
135#ifdef DEBUG_STRICT 130 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 131
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 132 l.l = 0;
133 l.f = 0;
134}
135
136// nuke a single wide character at the given column
137void
138rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
139{
140 // find begin
141 while (col > 0 && l.t[col] == NOCHAR)
142 col--;
143
144 rend_t rend = l.r[col] & ~RS_baseattrMask;
145 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
146
147 l.touch ();
148
149 // found start, nuke
150 do {
151 l.t[col] = ' ';
152 l.r[col] = rend;
153 col++;
154 } while (col < ncol && l.t[col] == NOCHAR);
145} 155}
146 156
147/* ------------------------------------------------------------------------- * 157/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 158 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
160
150void 161void
151rxvt_term::scr_reset () 162rxvt_term::scr_reset ()
152{ 163{
153 unsigned int ncol, nrow, total_rows, prev_total_rows;
154 unsigned int p, q;
155 int k;
156 rend_t setrstyle;
157
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 164 view_start = 0;
161 num_scr = 0; 165 num_scr = 0;
162 166
163 if (TermWin.ncol == 0) 167 if (ncol == 0)
164 TermWin.ncol = 80; 168 ncol = 80;
165 169
166 if (TermWin.nrow == 0) 170 if (nrow == 0)
167 TermWin.nrow = 24; 171 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 172
172 if (ncol == prev_ncol && nrow == prev_nrow) 173 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 174 return;
174 175
176 // we need at least two lines for wrapping to work correctly
177 while (nrow + saveLines < 2)
178 {
179 //TODO//FIXME
180 saveLines++;
181 prev_nrow--;
182 top_row--;
183 }
184
175 want_refresh = 1; 185 want_refresh = 1;
176 186
187 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 188 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 189
180 screen.tscroll = 0; 190 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 191 screen.bscroll = nrow - 1;
182 192
183 if (!talloc) 193 if (!row_buf)
184 { 194 {
195 /*
196 * first time called so just malloc everything: don't rely on realloc
197 */
198 top_row = 0;
199 term_start = 0;
200
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 201 talloc = new rxvt_salloc (ncol * sizeof (text_t));
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 202 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
187 }
188
189 if (prev_nrow == 0)
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 203
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 204 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t)); 205 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
202 207
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 208 for (int row = nrow; row--; )
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 } 209 {
210 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213 }
216 214
217 MEMSET(charsets, 'B', sizeof(charsets)); 215 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 216 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 217 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 218 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 219 screen.charset = 0;
223 current_screen = PRIMARY; 220 current_screen = PRIMARY;
… …
235 selection.text = NULL; 232 selection.text = NULL;
236 selection.len = 0; 233 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 234 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 235 selection.screen = PRIMARY;
239 selection.clicks = 0; 236 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 237 selection.clip_text = NULL;
241 rvideo = 0; 238 selection.clip_len = 0;
242 } 239 }
243 else 240 else
244 { 241 {
245 /* 242 /*
246 * add or delete rows as appropriate 243 * add or delete rows as appropriate
247 */ 244 */
248 setrstyle = DEFAULT_RSTYLE;
249 245
246 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
249#if 0
250 if (nrow < prev_nrow) 250 if (nrow < prev_nrow)
251 { 251 {
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255
256 for (p = nrow; p < prev_nrow; p++) 252 for (int row = nrow; row < prev_nrow; row++)
257 { 253 {
258 q = p + TermWin.saveLines; 254 lfree (swap_buf [row]);
259 if (screen.text[q]) 255 lfree (drawn_buf[row]);
256 }
257 }
258#endif
259
260 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
261 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262
263 for (int row = min (nrow, prev_nrow); row--; )
264 {
265 lresize (drawn_buf[row]);
266 lresize (swap_buf [row]);
267 }
268
269 for (int row = prev_nrow; row < nrow; row++)
270 {
271 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
272 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
273 }
274
275 line_t *old_buf = row_buf;
276 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
277
278 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279 int pend = MOD (term_start + top_row , prev_total_rows);
280 int q = total_rows; // rewrapped row
281
282 if (top_row)
283 {
284 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
285 // to come up with a lean and mean algorithm.
286 // TODO: maybe optimise when width didn't change
287
288 row_col_t ocur = screen.cur;
289 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290
291 do
292 {
293 p = MOD (p - 1, prev_total_rows);
294 assert (old_buf [MOD (p, prev_total_rows)].t);
295 int plines = 1;
296 int llen = old_buf [MOD (p, prev_total_rows)].l;
297
298 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 299 {
261#ifdef DEBUG_STRICT 300 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 301
263#endif 302 plines++;
264 talloc->free (screen.text[q]); 303 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 304 }
267 if (swap.text[p]) 305
306 int qlines = max (0, (llen - 1) / ncol) + 1;
307
308 // drop partial lines completely
309 if (q < qlines)
310 break;
311
312 q -= qlines;
313
314 int lofs = 0;
315 line_t *qline;
316
317 // re-assemble the full line by destination lines
318 for (int qrow = q; qlines--; qrow++)
268 { 319 {
269#ifdef DEBUG_STRICT 320 qline = row_buf + qrow;
270 assert (swap.rend[p]); 321 lalloc (*qline);
271#endif 322 qline->l = ncol;
272 talloc->free (swap.text[p]); 323 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 324
325 int qcol = 0;
326
327 // see below for cursor adjustment rationale
328 if (p == ocur.row)
329 screen.cur.row = q - (total_rows - nrow);
330
331 // fill a single destination line
332 while (lofs < llen && qcol < ncol)
333 {
334 int prow = lofs / prev_ncol;
335 int pcol = lofs % prev_ncol;
336
337 prow = MOD (p + prow, prev_total_rows);
338
339 // we only adjust the cursor _row_ and put it into
340 // the topmost line of "long line" it was in, as
341 // this seems to upset applications/shells/readline
342 // least.
343 if (prow == ocur.row)
344 screen.cur.row = q - (total_rows - nrow);
345
346 line_t &pline = old_buf [prow];
347
348 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349
350 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
352
353 lofs += len;
354 qcol += len;
355 }
274 } 356 }
275#ifdef DEBUG_STRICT 357
276 assert (drawn_text[p] && drawn_rend[p]); 358 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 359 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 360 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 361 }
362 while (p != pend && q > 0);
281 363
282 /* we have fewer rows so fix up cursor position */ 364 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 365 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 366
286 scr_reset_realloc (); /* realloc _last_ */ 367 // make sure all terminal lines exist
287 } 368 while (top_row > 0)
288 else if (nrow > prev_nrow) 369 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 370 }
290 /* add rows */ 371 else
291 scr_reset_realloc (); /* realloc _first_ */ 372 {
373 // if no scrollback exists (yet), wing, instead of wrap
292 374
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 375 for (int row = min (nrow, prev_nrow); row--; )
294
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 376 {
299 screen.tlen[p] = 0; 377 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
300 screen.text[p] = NULL; 378 line_t &qline = row_buf [row];
301 screen.rend[p] = NULL; 379
380 qline = pline;
381 lresize (qline);
302 } 382 }
303 383
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
306
307 for (p = prev_nrow; p < nrow; p++) 384 for (int row = prev_nrow; row < nrow; row++)
308 { 385 {
309 swap.tlen[p] = 0; 386 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
310 swap.text[p] = NULL;
311 swap.rend[p] = NULL;
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
316 } 387 }
317 388
318 if (k > 0) 389 term_start = 0;
319 {
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
321 screen.cur.row += k;
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
324 }
325#ifdef DEBUG_STRICT
326 assert(screen.cur.row < TermWin.nrow);
327 assert(swap.cur.row < TermWin.nrow);
328#else /* drive with your eyes closed */
329
330 MIN_IT(screen.cur.row, nrow - 1);
331 MIN_IT(swap.cur.row, nrow - 1);
332#endif
333 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
334 }
335
336 /* resize columns */
337 if (ncol != prev_ncol)
338 { 390 }
339 int common = min (prev_ncol, ncol); 391
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 392 free (old_buf);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 393 delete old_ta;
394 delete old_ra;
395
396 clamp_it (screen.cur.row, 0, nrow - 1);
397 clamp_it (screen.cur.col, 0, ncol - 1);
342 398 }
343 for (p = 0; p < total_rows; p++)
344 {
345 if (screen.text[p])
346 {
347 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
348 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
349 399
350 MIN_IT(screen.tlen[p], (int16_t)ncol);
351
352 if (ncol > prev_ncol)
353 scr_blank_line (&(screen.text[p][prev_ncol]),
354 &(screen.rend[p][prev_ncol]),
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359
360 for (p = 0; p < nrow; p++)
361 {
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
364
365 if (ncol > prev_ncol)
366 scr_blank_line (&(drawn_text[p][prev_ncol]),
367 &(drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
369
370 if (swap.text[p])
371 {
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
374
375 MIN_IT(swap.tlen[p], (int16_t)ncol);
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&(swap.text[p][prev_ncol]),
379 &(swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
381 }
382
383 }
384
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
387
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
390 }
391
392 if (tabs)
393 free(tabs); 400 free (tabs);
394 } 401 tabs = (char *)rxvt_malloc (ncol);
402
403 for (int col = ncol; col--; )
404 tabs [col] = col % TABSIZE == 0;
405
406 CLEAR_ALL_SELECTION ();
395 407
396 prev_nrow = nrow; 408 prev_nrow = nrow;
397 prev_ncol = ncol; 409 prev_ncol = ncol;
398 410
399 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
400
401 for (p = 0; p < ncol; p++)
402 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
403
404 tt_winch (); 411 tt_winch ();
405}
406 412
407void 413 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
408rxvt_term::scr_reset_realloc()
409{
410 uint16_t total_rows, nrow;
411
412 nrow = TermWin.nrow;
413 total_rows = nrow + TermWin.saveLines;
414 /* *INDENT-OFF* */
415 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
416 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
417 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
418 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
419
420 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
421 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
422
423 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
424 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
425 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
426 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
427 /* *INDENT-ON* */
428} 414}
429 415
430/* ------------------------------------------------------------------------- */ 416/* ------------------------------------------------------------------------- */
431/* 417/*
432 * Free everything. That way malloc debugging can find leakage. 418 * Free everything. That way malloc debugging can find leakage.
433 */ 419 */
434void 420void
435rxvt_term::scr_release() 421rxvt_term::scr_release () NOTHROW
436{ 422{
437 uint16_t total_rows; 423 if (row_buf)
438 int i;
439
440 total_rows = TermWin.nrow + TermWin.saveLines;
441
442#ifdef DEBUG_STRICT
443 for (i = 0; i < total_rows; i++)
444 {
445 if (screen.text[i])
446 /* then so is screen.rend[i] */
447 assert(screen.rend[i]);
448 } 424 {
449#endif
450
451 delete talloc; talloc = 0; 425 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0; 426 delete ralloc; ralloc = 0;
453 427
454 free (screen.text); 428 free (row_buf);
455 free (screen.tlen); 429 free (swap_buf);
456 free (screen.rend); 430 free (drawn_buf);
457 free (drawn_text); 431 row_buf = 0; // signal that we freed all the arrays above
458 free (drawn_rend); 432
459 free (swap.text);
460 free (swap.tlen);
461 free (swap.rend);
462 free (buf_text);
463 free (buf_rend);
464 free (tabs); 433 free (tabs);
465 434 tabs = 0;
466 /* NULL these so if anything tries to use them, we'll know about it */ 435 }
467 screen.text = drawn_text = swap.text = NULL;
468 screen.rend = drawn_rend = swap.rend = NULL;
469 screen.tlen = swap.tlen = NULL;
470 buf_text = NULL;
471 buf_rend = NULL;
472 tabs = NULL;
473} 436}
474 437
475/* ------------------------------------------------------------------------- */ 438/* ------------------------------------------------------------------------- */
476/* 439/*
477 * Hard reset 440 * Hard/Soft reset
478 */ 441 */
479void 442void
480rxvt_term::scr_poweron () 443rxvt_term::scr_poweron ()
481{ 444{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 445 scr_release ();
485 prev_nrow = prev_ncol = 0; 446 prev_nrow = prev_ncol = 0;
447 rvideo_mode = false;
448 scr_soft_reset ();
486 scr_reset (); 449 scr_reset ();
487 450
488 scr_clear (); 451 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 452 scr_refresh ();
490#ifdef RXVT_GRAPHICS 453}
491 Gr_reset (); 454
455void
456rxvt_term::scr_soft_reset ()
457{
458 /* only affects modes, nothing drastic such as clearing the screen */
459#if ENABLE_OVERLAY
460 scr_overlay_off ();
492#endif 461#endif
462
463 if (current_screen != PRIMARY)
464 scr_swap_screen ();
465
466 scr_scroll_region (0, MAX_ROWS - 1);
467 scr_rendition (0, ~RS_None);
468 scr_insert_mode (0);
493} 469}
494 470
495/* ------------------------------------------------------------------------- * 471/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 472 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 473 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 475 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 476 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 477 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 478 */
503void 479void
504rxvt_term::scr_cursor (int mode) 480rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
505{ 481{
506 screen_t *s; 482 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 483
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 484#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 485 if (current_screen == SECONDARY)
512 s = &(swap); 486 s = &swap;
513 else 487 else
514#endif 488#endif
515 s = &(screen); 489 s = &screen;
490
516 switch (mode) { 491 switch (mode)
492 {
517 case SAVE: 493 case SAVE:
518 s->s_cur.row = s->cur.row; 494 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 495 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 496 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 497 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 498 s->s_charset_char = charsets[screen.charset];
523 break; 499 break;
500
524 case RESTORE: 501 case RESTORE:
525 want_refresh = 1; 502 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 503 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 504 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 505 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 506 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 507 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 508 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 509 set_font_style ();
533 break; 510 break;
534 } 511 }
512
535/* boundary check in case screen size changed between SAVE and RESTORE */ 513 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 514 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 515 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 516 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 517 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 518}
542 MAX_IT(s->cur.row, 0); 519
543 MAX_IT(s->cur.col, 0); 520void
544#endif 521rxvt_term::scr_swap_screen ()
522{
523 if (!option (Opt_secondaryScreen))
524 return;
525
526 for (int i = prev_nrow; i--; )
527 ::swap (ROW(i), swap_buf [i]);
528
529 ::swap (screen.cur, swap.cur);
530
531 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
532 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 533}
546 534
547/* ------------------------------------------------------------------------- */ 535/* ------------------------------------------------------------------------- */
548/* 536/*
549 * Swap between primary and secondary screens 537 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 538 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 539 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 540 */
553int 541void
554rxvt_term::scr_change_screen (int scrn) 542rxvt_term::scr_change_screen (int scrn)
555{ 543{
556 int i; 544 if (scrn == current_screen)
545 return;
546
547 want_refresh = 1;
548 view_start = 0;
549
550 selection_check (2); /* check for boundary cross */
551
552 current_screen = scrn;
553
557#if NSCREENS 554#if NSCREENS
558 int offset; 555 if (option (Opt_secondaryScreen))
559#endif 556 {
560
561 want_refresh = 1;
562
563 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
564
565 TermWin.view_start = 0;
566
567 if (current_screen == scrn)
568 return current_screen;
569
570 selection_check (2); /* check for boundary cross */
571
572 SWAP_IT(current_screen, scrn, int);
573#if NSCREENS
574 num_scr = 0; 557 num_scr = 0;
575 offset = TermWin.saveLines; 558
576 for (i = prev_nrow; i--;) { 559 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 560
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 561 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 562 ::swap (screen.flags, swap.flags);
580 }
581 SWAP_IT(screen.cur.row, swap.cur.row, int16_t);
582 SWAP_IT(screen.cur.col, swap.cur.col, int16_t);
583# ifdef DEBUG_STRICT
584 assert((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
585 assert((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
586# else /* drive with your eyes closed */
587 MAX_IT(screen.cur.row, 0);
588 MIN_IT(screen.cur.row, (int32_t)prev_nrow - 1);
589 MAX_IT(screen.cur.col, 0);
590 MIN_IT(screen.cur.col, (int32_t)prev_ncol - 1);
591# endif
592 SWAP_IT(screen.charset, swap.charset, int16_t);
593 SWAP_IT(screen.flags, swap.flags, int);
594 screen.flags |= Screen_VisibleCursor; 563 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 564 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 565 }
566 else
603# endif 567#endif
604#else 568 if (option (Opt_secondaryScroll))
605# ifdef SCROLL_ON_NO_SECONDARY
606# ifdef RXVT_GRAPHICS
607 if (Gr_Displayed ())
608 Gr_ClearScreen ();
609# endif
610 if (current_screen == PRIMARY
611# ifdef RXVT_GRAPHICS
612 && !Gr_Displayed ()
613# endif
614 )
615 scr_scroll_text(0, (prev_nrow - 1), prev_nrow, 0); 569 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 570}
617#endif 571
572// clear WrapNext indicator, solidifying position on next line
573void
574rxvt_term::scr_do_wrap () NOTHROW
575{
576 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 577 return;
578
579 screen.flags &= ~Screen_WrapNext;
580
581 screen.cur.col = 0;
582
583 if (screen.cur.row == screen.bscroll)
584 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
585 else if (screen.cur.row < nrow - 1)
586 screen.cur.row++;
619} 587}
620 588
621/* ------------------------------------------------------------------------- */ 589/* ------------------------------------------------------------------------- */
622/* 590/*
623 * Change the colour for following text 591 * Change the colour for following text
624 */ 592 */
625void 593void
626rxvt_term::scr_color (unsigned int color, int fgbg) 594rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
627{ 595{
596 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
628 color &= RS_fgMask; 597 color = fgbg;
598
629 if (fgbg == Color_fg) 599 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 600 rstyle = SET_FGCOLOR (rstyle, color);
631 else 601 else
632 rstyle = SET_BGCOLOR(rstyle, color); 602 rstyle = SET_BGCOLOR (rstyle, color);
633} 603}
634 604
635/* ------------------------------------------------------------------------- */ 605/* ------------------------------------------------------------------------- */
636/* 606/*
637 * Change the rendition style for following text 607 * Change the rendition style for following text
638 */ 608 */
639void 609void
640rxvt_term::scr_rendition (int set, int style) 610rxvt_term::scr_rendition (int set, int style) NOTHROW
641{ 611{
642 if (set) 612 if (set)
643 rstyle |= style; 613 rstyle |= style;
644 else if (style == ~RS_None) 614 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 615 rstyle = DEFAULT_RSTYLE;
646 else 616 else
647 rstyle &= ~style; 617 rstyle &= ~style;
648} 618}
649 619
650/* ------------------------------------------------------------------------- */ 620/* ------------------------------------------------------------------------- */
651/* 621/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 622 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 623 * count positive ==> scroll up
654 * count negative ==> scroll down 624 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 625 */
657int 626int
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 627rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
659{ 628{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 629 if (count == 0 || (row1 > row2))
664 return 0; 630 return 0;
665 631
666 want_refresh = 1; 632 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 633 num_scr += count;
668 634
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 635 if (count > 0
636 && row1 == 0
637 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638 {
639 top_row = max (top_row - count, -saveLines);
640
641 // scroll everything up 'count' lines
642 term_start = (term_start + count) % total_rows;
643
644 // sever bottommost line
670 { 645 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 646 line_t &l = ROW(row2 - count);
647 l.is_longer (0);
648 l.touch ();
649 }
672 650
673 if (nscrolled > (long)TermWin.saveLines) 651 // erase newly scrolled-in lines
674 TermWin.nscrolled = TermWin.saveLines; 652 for (int i = count; i--; )
653 {
654 line_t &l = ROW(nrow - 1 - i);
655
656 // optimize if already cleared, can be significant on slow machines
657 // could be rolled into scr_blank_screen_mem
658 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659 {
660 scr_blank_line (l, 0, l.l, rstyle);
661 l.l = 0;
662 l.f = 0;
663 }
675 else 664 else
676 TermWin.nscrolled = (uint16_t)nscrolled; 665 scr_blank_screen_mem (l, rstyle);
666 }
677 667
668 // now copy lines below the scroll region bottom to the
669 // bottom of the screen again, so they look as if they
670 // hadn't moved.
671 for (int i = nrow; --i > row2; )
672 {
673 line_t &l1 = ROW(i - count);
674 line_t &l2 = ROW(i);
675
676 ::swap (l1, l2);
677 l2.touch ();
678 }
679
680 // move and/or clear selection, if any
681 if (selection.op && current_screen == selection.screen)
682 {
683 selection.beg.row -= count;
684 selection.end.row -= count;
685 selection.mark.row -= count;
686
687 if (selection.beg.row < top_row
688 || selection.end.row < top_row
689 || selection.mark.row < top_row)
690 {
691 CLEAR_ALL_SELECTION ();
692 selection.op = SELECTION_CLEAR;
693 }
694 }
695
696 // finally move the view window, if desired
678 if ((Options & Opt_scrollWithBuffer) 697 if (option (Opt_scrollWithBuffer)
679 && TermWin.view_start != 0 698 && view_start != 0
680 && TermWin.view_start != TermWin.saveLines) 699 && view_start != -saveLines)
681 scr_page (UP, count); 700 scr_page (UP, count);
701
702 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
703 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
704 }
705 else
682 } 706 {
683 else if (!spec)
684 row1 += TermWin.saveLines;
685
686 row2 += TermWin.saveLines;
687
688 if (selection.op && current_screen == selection.screen) 707 if (selection.op && current_screen == selection.screen)
689 { 708 {
690 i = selection.beg.row + TermWin.saveLines; 709 if ((selection.beg.row < row1 && selection.end.row > row1)
691 j = selection.end.row + TermWin.saveLines; 710 || (selection.beg.row < row2 && selection.end.row > row2)
692 if ((i < row1 && j > row1) 711 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
693 || (i < row2 && j > row2) 712 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
694 || (i - count < row1 && i >= row1) 713 || (selection.end.row - count < row1 && selection.end.row >= row1)
695 || (i - count > row2 && i <= row2) 714 || (selection.end.row - count > row2 && selection.end.row <= row2))
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 { 715 {
699 CLEAR_ALL_SELECTION (); 716 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 717 selection.op = SELECTION_CLEAR;
701 } 718 }
702 else if (j >= row1 && j <= row2) 719 else if (selection.end.row >= row1 && selection.end.row <= row2)
703 { 720 {
704 /* move selected region too */ 721 /* move selected region too */
705 selection.beg.row -= count; 722 selection.beg.row -= count;
706 selection.end.row -= count; 723 selection.end.row -= count;
707 selection.mark.row -= count; 724 selection.mark.row -= count;
725
726 selection_check (0);
708 } 727 }
709 }
710
711 selection_check (0); /* _after_ TermWin.nscrolled update */
712
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1;
720 MIN_IT(count, i);
721
722 if (j > 0)
723 {
724 /* A: scroll up */
725
726 /* A1: Copy lines that will get clobbered by the rotation */
727 for (i = 0, j = row1; i < count; i++, j++)
728 { 728 }
729 buf_text[i] = screen.text[j]; 729
730 buf_rend[i] = screen.rend[j]; 730 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical.
732
733 int rows = row2 - row1 + 1;
734
735 min_it (count, rows);
736
737 line_t *temp_buf = row_buf + total_rows;
738
739 for (int row = 0; row < rows; row++)
731 } 740 {
732 /* A2: Rotate lines */ 741 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
733 for (j = row1, i = j + count; i <= row2; i++, j++) 742
743 if (!IN_RANGE_EXC (row + count, 0, rows))
744 scr_blank_screen_mem (temp_buf [row], rstyle);
734 { 745 }
735 screen.tlen[j] = screen.tlen[i]; 746
736 screen.text[j] = screen.text[i]; 747 for (int row = 0; row < rows; row++)
737 screen.rend[j] = screen.rend[i]; 748 ROW(row1 + row) = temp_buf [row];
738 }
739 j = row2 - count + 1, i = count;
740 }
741 else /* if (j < 0) */
742 { 749 }
743 /* B: scroll down */
744
745 /* B1: Copy lines that will get clobbered by the rotation */
746 for (i = 0, j = row2; i < count; i++, j--)
747 {
748 buf_text[i] = screen.text[j];
749 buf_rend[i] = screen.rend[j];
750 }
751 /* B2: Rotate lines */
752 for (j = row2, i = j - count; i >= row1; i--, j--)
753 {
754 screen.tlen[j] = screen.tlen[i];
755 screen.text[j] = screen.text[i];
756 screen.rend[j] = screen.rend[i];
757 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 {
765 screen.tlen[j] = 0;
766 screen.text[j] = buf_text[i];
767 screen.rend[j] = buf_rend[i];
768
769 if (!spec) /* line length may not equal TermWin.ncol */
770 scr_blank_screen_mem (screen.text, screen.rend,
771 (unsigned int)j, rstyle);
772 }
773
774#ifdef RXVT_GRAPHICS
775 if (Gr_Displayed ())
776 Gr_scroll (count);
777#endif
778 750
779 return count; 751 return count;
780} 752}
781 753
782/* ------------------------------------------------------------------------- */ 754/* ------------------------------------------------------------------------- */
783/* 755/*
784 * Add text given in <str> of length <len> to screen struct 756 * Add text given in <str> of length <len> to screen struct
785 */ 757 */
786void 758void
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 759rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
788{ 760{
789 unsigned char checksel, clearsel;
790 uint32_t c;
791 int i, row, last_col;
792 text_t *stp;
793 rend_t *srp;
794
795 if (len <= 0) /* sanity */ 761 if (len <= 0) /* sanity */
796 return; 762 return;
797 763
764 unsigned char checksel;
765 unicode_t c;
766 int ncol = this->ncol;
767 const wchar_t *strend = str + len;
768
798 want_refresh = 1; 769 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 770 ZERO_SCROLLBACK ();
771
803 if (nlines > 0) { 772 if (minlines > 0)
773 {
804 nlines += (screen.cur.row - screen.bscroll); 774 minlines += screen.cur.row - screen.bscroll;
775 min_it (minlines, screen.cur.row - top_row);
776
805 if ((nlines > 0) 777 if (minlines > 0
806 && (screen.tscroll == 0) 778 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 779 && screen.bscroll == nrow - 1)
780 {
808 /* _at least_ this many lines need to be scrolled */ 781 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 782 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 783 screen.cur.row -= minlines;
811 } 784 }
812 } 785 }
813#ifdef DEBUG_STRICT 786
814 assert(screen.cur.col < last_col); 787 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 788 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 789 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 790 int row = screen.cur.row;
818 MIN_IT(screen.cur.col, last_col - 1);
819 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1);
820 MAX_IT(screen.cur.row, -(int32_t)TermWin.nscrolled);
821#endif
822 row = screen.cur.row + TermWin.saveLines;
823 791
824 checksel = (selection.op 792 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 793
828 stp = screen.text[row]; 794 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 795
831 for (i = 0; i < len;) { 796 while (str < strend)
832 c = str[i++]; 797 {
833 switch (c) { 798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 799
835 scr_tab (1); 800 if (expect_false (c < 0x20))
801 if (c == C0_LF)
802 {
803 max_it (line->l, screen.cur.col);
804
805 screen.flags &= ~Screen_WrapNext;
806
807 if (screen.cur.row == screen.bscroll)
808 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
809 else if (screen.cur.row < (nrow - 1))
810 row = ++screen.cur.row;
811
812 line = &ROW(row); /* _must_ refresh */
836 continue; 813 continue;
837 case '\n': 814 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 815 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 816 {
840 screen.flags &= ~Screen_WrapNext; 817 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 818
842 scr_scroll_text (screen.tscroll, screen.bscroll, 1, 0);
843 else if (screen.cur.row < (TermWin.nrow - 1))
844 row = (++screen.cur.row) + TermWin.saveLines;
845 stp = screen.text[row]; /* _must_ refresh */
846 srp = screen.rend[row]; /* _must_ refresh */
847 continue;
848 case '\r':
849 if (screen.tlen[row] != -1) /* XXX: think about this */
850 MAX_IT(screen.tlen[row], screen.cur.col);
851 screen.flags &= ~Screen_WrapNext; 819 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 820 screen.cur.col = 0;
853 continue; 821 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 822 }
823 else if (c == C0_HT)
824 {
825 scr_tab (1, true);
826 continue;
827 }
859 828
829 if (expect_false (
860 if (checksel /* see if we're writing within selection */ 830 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 832 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 ))
834 {
863 checksel = 0; 835 checksel = 0;
864 clearsel = 1; 836 /*
837 * If we wrote anywhere in the selected area, kill the selection
838 * XXX: should we kill the mark too? Possibly, but maybe that
839 * should be a similar check.
840 */
841 CLEAR_SELECTION ();
842 }
843
844 if (expect_false (screen.flags & Screen_WrapNext))
865 } 845 {
866 if (screen.flags & Screen_WrapNext) { 846 scr_do_wrap ();
867 screen.tlen[row] = -1; 847
868 if (screen.cur.row == screen.bscroll) 848 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 849 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 850
871 row = (++screen.cur.row) + TermWin.saveLines;
872 stp = screen.text[row]; /* _must_ refresh */
873 srp = screen.rend[row]; /* _must_ refresh */
874 screen.cur.col = 0; 851 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 852 line = &ROW(row); /* _must_ refresh */
853 }
854
855 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd;
858
859 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current
862 // locale.
863 int width = WCWIDTH (c);
864
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 866 {
877 if (screen.flags & Screen_Insert) 867 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 868 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e
871 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
872 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
873 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
874 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
875 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
876 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
877 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
878 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
879 };
879 880
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 881 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 882 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 883 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 884 width = 1; // vt100 line drawing characters are always single-width
885 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
886 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
887 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
888 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
889 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
890 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
891 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
892 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
893 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
894 } 885 }
886 }
895 887
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 888 if (expect_false (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 889 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 890
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 891 if (width != 0)
892 {
893#if !UNICODE_3
894 // trim characters we can't store directly :(
895 if (c >= 0x10000)
896# if ENABLE_COMBINING
897 c = rxvt_composite.compose (c); // map to lower 16 bits
898# else
899 c = 0xfffd;
900# endif
901#endif
902
903 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904
905 // if the character doesn't fit into the remaining columns...
906 if (expect_false (screen.cur.col > ncol - width && ncol >= width))
907 {
908 if (screen.flags & Screen_Autowrap)
909 {
910 // ... artificially enlargen the previous one
911 c = NOCHAR;
912 // and try the same character next loop iteration
913 --str;
914 }
915 else
916 screen.cur.col = ncol - width;
917 }
918
919 // nuke the character at this position, if required
920 // due to wonderful coincidences everywhere else in this loop
921 // we never have to check for overwriting a wide char itself,
922 // only its tail.
923 if (expect_false (line->t[screen.cur.col] == NOCHAR))
924 scr_kill_char (*line, screen.cur.col);
925
926 line->touch ();
927
902 do 928 do
903 { 929 {
904 stp[screen.cur.col] = c; 930 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 931 line->r[screen.cur.col] = rend;
906 932
907 if (screen.cur.col < last_col - 1) 933 if (expect_true (screen.cur.col < ncol - 1))
908 screen.cur.col++; 934 screen.cur.col++;
909 else 935 else
910 { 936 {
911 screen.tlen[row] = last_col; 937 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 938 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 939 screen.flags |= Screen_WrapNext;
914 break; 940
941 goto end_of_line;
915 } 942 }
916 943
917 c = NOCHAR; 944 c = NOCHAR;
918 } 945 }
919 while (--width > 0); 946 while (expect_false (--width > 0));
947
948 // pad with spaces when overwriting wide character with smaller one
949 for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++)
950 {
951 line->t[c] = ' ';
952 line->r[c] = rend;
953 }
954
955end_of_line:
956 ;
957 }
958#if ENABLE_COMBINING
959 else // width == 0
960 {
961 if (c != 0xfeff) // ignore BOM
962 {
963 // handle combining characters
964 // we just tag the accent on the previous on-screen character.
965 // this is arguably not correct, but also arguably not wrong.
966 // we don't handle double-width characters nicely yet.
967 line_t *linep;
968 text_t *tp;
969 rend_t *rp;
970
971 if (screen.cur.col > 0)
972 {
973 linep = line;
974 tp = line->t + screen.cur.col - 1;
975 rp = line->r + screen.cur.col - 1;
976 }
977 else if (screen.cur.row > 0
978 && ROW(screen.cur.row - 1).is_longer ())
979 {
980 linep = &ROW(screen.cur.row - 1);
981 tp = line->t + ncol - 1;
982 rp = line->r + ncol - 1;
983 }
920 else 984 else
921 (void)0; /* handle combining character etc. here. */ 985 continue;
922 }
923 986
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 987 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 988
927/* 989 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 990 tp--, rp--;
929 * XXX: should we kill the mark too? Possibly, but maybe that
930 * should be a similar check.
931 */
932 if (clearsel)
933 CLEAR_SELECTION();
934 991
935#ifdef DEBUG_STRICT 992 // first try to find a precomposed character
993 unicode_t n = rxvt_compose (*tp, c);
994 if (n == NOCHAR)
995 n = rxvt_composite.compose (*tp, c);
996
997 *tp = n;
998 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
999 }
1000 }
1001#endif
1002 }
1003
1004 max_it (line->l, screen.cur.col);
1005
936 assert(screen.cur.row >= 0); 1006 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1007}
941 1008
942/* ------------------------------------------------------------------------- */ 1009/* ------------------------------------------------------------------------- */
943/* 1010/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1011 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1012 * XTERM_SEQ: CTRL-H
946 */ 1013 */
947void 1014void
948rxvt_term::scr_backspace () 1015rxvt_term::scr_backspace () NOTHROW
949{ 1016{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1017 if (screen.cur.col == 0)
1018 {
952 if (screen.cur.row > 0) { 1019 if (screen.cur.row > 0)
1020 {
953#ifdef TERMCAP_HAS_BW 1021#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1022 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1023 --screen.cur.row;
956 return; 1024
1025 want_refresh = 1;
957#endif 1026#endif
958 } 1027 }
1028 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1029 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1030 screen.flags &= ~Screen_WrapNext;
1031 else
1032 scr_gotorc (0, -1, RELATIVE);
962} 1033}
963 1034
964/* ------------------------------------------------------------------------- */ 1035/* ------------------------------------------------------------------------- */
965/* 1036/*
966 * Process Horizontal Tab 1037 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1038 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1039 * XTERM_SEQ: CTRL-I
969 */ 1040 */
970void 1041void
971rxvt_term::scr_tab (int count) 1042rxvt_term::scr_tab (int count, bool ht) NOTHROW
972{ 1043{
973 int i, x; 1044 int i, x;
974 1045
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1046 want_refresh = 1;
977 i = x = screen.cur.col; 1047 i = x = screen.cur.col;
1048
978 if (count == 0) 1049 if (count == 0)
979 return; 1050 return;
980 else if (count > 0) { 1051 else if (count > 0)
1052 {
1053 line_t &l = ROW(screen.cur.row);
1054 rend_t base_rend = l.r[i];
1055 ht &= l.t[i] == ' ';
1056
981 for (; ++i < TermWin.ncol; ) 1057 for (; ++i < ncol; )
982 if (tabs[i]) { 1058 if (tabs[i])
1059 {
983 x = i; 1060 x = i;
1061
984 if (!--count) 1062 if (!--count)
985 break; 1063 break;
1064 }
1065 else
1066 ht &= l.t[i] == ' '
1067 && RS_SAME (l.r[i], base_rend);
1068
1069 if (count)
1070 x = ncol - 1;
1071
1072 // store horizontal tab commands as characters inside the text
1073 // buffer so they can be selected and pasted.
1074 if (ht && option (Opt_pastableTabs))
1075 {
1076 base_rend = SET_FONT (base_rend, 0);
1077
1078 l.touch (x);
1079
1080 i = screen.cur.col;
1081
1082 l.t[i] = '\t';
1083 l.r[i] = base_rend;
1084
1085 while (++i < x)
1086 {
1087 l.t[i] = NOCHAR;
1088 l.r[i] = base_rend;
986 } 1089 }
987 if (count) 1090 }
988 x = TermWin.ncol - 1; 1091 }
989 } else /* if (count < 0) */ { 1092 else /* if (count < 0) */
1093 {
990 for (; --i >= 0; ) 1094 for (; --i >= 0; )
991 if (tabs[i]) { 1095 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1096 {
996 if (count)
997 x = 0; 1097 x = i;
1098 if (!++count)
1099 break;
1100 }
1101
1102 if (count)
1103 x = 0;
998 } 1104 }
1105
999 if (x != screen.cur.col) 1106 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1107 scr_gotorc (0, x, R_RELATIVE);
1001} 1108}
1002 1109
1003/* ------------------------------------------------------------------------- */ 1110/* ------------------------------------------------------------------------- */
1004/* 1111/*
1005 * Process DEC Back Index 1112 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1113 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1114 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1115 * in that row right. Clear left column.
1009 */ 1116 */
1010#ifndef NO_FRILLS 1117#if !ENABLE_MINIMAL
1011void 1118void
1012rxvt_term::scr_backindex () 1119rxvt_term::scr_backindex () NOTHROW
1013{ 1120{
1014 if (screen.cur.col > 0) 1121 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1122 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1123 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1124 scr_insdel_chars (1, INSERT);
1020 }
1021} 1125}
1022#endif 1126#endif
1023/* ------------------------------------------------------------------------- */ 1127/* ------------------------------------------------------------------------- */
1024/* 1128/*
1025 * Process DEC Forward Index 1129 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1130 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1131 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1132 * in that row left. Clear right column.
1029 */ 1133 */
1030#ifndef NO_FRILLS 1134#if !ENABLE_MINIMAL
1031void 1135void
1032rxvt_term::scr_forwardindex () 1136rxvt_term::scr_forwardindex () NOTHROW
1033{ 1137{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1138 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1139 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1140 else
1039 row = screen.cur.row + TermWin.saveLines; 1141 {
1040 if (screen.tlen[row] == 0) 1142 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1143
1042 else if (screen.tlen[row] == -1) 1144 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1145 l.is_longer (0);
1146
1044 scr_gotorc (0, 0, R_RELATIVE); 1147 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1148 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1149 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1150 }
1048} 1151}
1049#endif 1152#endif
1050 1153
1051/* ------------------------------------------------------------------------- */ 1154/* ------------------------------------------------------------------------- */
1052/* 1155/*
1053 * Goto Row/Column 1156 * Goto Row/Column
1054 */ 1157 */
1055void 1158void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1159rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1057{ 1160{
1058 want_refresh = 1; 1161 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1162 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1163
1065 D_SCREEN((stderr, "rxvt_scr_gotorc(r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, screen.cur.row, screen.cur.col));
1066
1067 screen.cur.col = ((relative & C_RELATIVE) ? (screen.cur.col + col) 1164 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1165 clamp_it (screen.cur.col, 0, ncol - 1);
1069 MAX_IT(screen.cur.col, 0);
1070 MIN_IT(screen.cur.col, (int32_t)TermWin.ncol - 1);
1071 1166
1072 screen.flags &= ~Screen_WrapNext; 1167 screen.flags &= ~Screen_WrapNext;
1168
1073 if (relative & R_RELATIVE) { 1169 if (relative & R_RELATIVE)
1170 {
1074 if (row > 0) { 1171 if (row > 0)
1172 {
1075 if (screen.cur.row <= screen.bscroll 1173 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1174 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1175 screen.cur.row = screen.bscroll;
1078 else 1176 else
1079 screen.cur.row += row;
1080 } else if (row < 0) {
1081 if (screen.cur.row >= screen.tscroll
1082 && (screen.cur.row + row) < screen.tscroll)
1083 screen.cur.row = screen.tscroll;
1084 else
1085 screen.cur.row += row;
1086 }
1087 } else {
1088 if (screen.flags & Screen_Relative) { /* relative origin mode */
1089 screen.cur.row = row + screen.tscroll;
1090 MIN_IT(screen.cur.row, screen.bscroll);
1091 } else
1092 screen.cur.row = row; 1177 screen.cur.row += row;
1178 }
1179 else if (row < 0)
1180 {
1181 if (screen.cur.row >= screen.tscroll
1182 && (screen.cur.row + row) < screen.tscroll)
1183 screen.cur.row = screen.tscroll;
1184 else
1185 screen.cur.row += row;
1186 }
1187 }
1188 else
1093 } 1189 {
1094 MAX_IT(screen.cur.row, 0); 1190 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1191 {
1096} 1192 /* relative origin mode */
1193 screen.cur.row = row + screen.tscroll;
1194 min_it (screen.cur.row, screen.bscroll);
1195 }
1196 else
1197 screen.cur.row = row;
1198 }
1097 1199
1200 clamp_it (screen.cur.row, 0, nrow - 1);
1201}
1202
1098/* ------------------------------------------------------------------------- */ 1203/* ------------------------------------------------------------------------- */
1099/* 1204/*
1100 * direction should be UP or DN 1205 * direction should be UP or DN
1101 */ 1206 */
1102void 1207void
1103rxvt_term::scr_index (enum page_dirn direction) 1208rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1104{ 1209{
1105 int dirn; 1210 int dirn;
1106 1211
1107 want_refresh = 1; 1212 want_refresh = 1;
1213 ZERO_SCROLLBACK ();
1214
1108 dirn = ((direction == UP) ? 1 : -1); 1215 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110 1216
1111 ZERO_SCROLLBACK();
1112
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1217 screen.flags &= ~Screen_WrapNext;
1218
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1219 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1220 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1221 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1122 else 1222 else
1123 screen.cur.row += dirn; 1223 screen.cur.row += dirn;
1124 MAX_IT(screen.cur.row, 0); 1224
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1225 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1226 selection_check (0);
1127} 1227}
1128 1228
1129/* ------------------------------------------------------------------------- */ 1229/* ------------------------------------------------------------------------- */
1130/* 1230/*
1131 * Erase part or whole of a line 1231 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1232 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1233 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1234 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1235 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1236 */
1136void 1237void
1137rxvt_term::scr_erase_line (int mode) 1238rxvt_term::scr_erase_line (int mode) NOTHROW
1138{ 1239{
1139 unsigned int row, col, num; 1240 unsigned int col, num;
1140 1241
1141 want_refresh = 1; 1242 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1243 ZERO_SCROLLBACK ();
1144 1244
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1245 selection_check (1);
1151 1246
1152 screen.flags &= ~Screen_WrapNext; 1247 line_t &line = ROW(screen.cur.row);
1153 1248
1154 row = TermWin.saveLines + screen.cur.row; 1249 line.touch ();
1250 line.is_longer (0);
1251
1155 switch (mode) 1252 switch (mode)
1156 { 1253 {
1254 case 3:
1255 if (screen.flags & Screen_WrapNext)
1256 return;
1257
1258 /* fall through */
1259
1157 case 0: /* erase to end of line */ 1260 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1261 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1262 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1263 min_it (line.l, col);
1264
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1265 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1266 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1267 CLEAR_SELECTION ();
1164 break; 1268 break;
1269
1165 case 1: /* erase to beginning of line */ 1270 case 1: /* erase to beginning of line */
1166 col = 0; 1271 col = 0;
1167 num = screen.cur.col + 1; 1272 num = screen.cur.col + 1;
1273
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1274 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1275 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1276 CLEAR_SELECTION ();
1171 break; 1277 break;
1278
1172 case 2: /* erase whole line */ 1279 case 2: /* erase whole line */
1173 col = 0; 1280 col = 0;
1174 num = TermWin.ncol; 1281 num = ncol;
1175 screen.tlen[row] = 0; 1282 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1283 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1284 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1285 CLEAR_SELECTION ();
1179 break; 1286 break;
1180 default: 1287 default:
1181 return; 1288 return;
1182 } 1289 }
1183 1290
1184 if (screen.text[row]) 1291 scr_blank_line (line, col, num, rstyle);
1185 scr_blank_line (&(screen.text[row][col]),
1186 &(screen.rend[row][col]), num, rstyle);
1187 else
1188 scr_blank_screen_mem (screen.text, screen.rend, row, rstyle);
1189} 1292}
1190 1293
1191/* ------------------------------------------------------------------------- */ 1294/* ------------------------------------------------------------------------- */
1192/* 1295/*
1193 * Erase part of whole of the screen 1296 * Erase part of whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1297 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1298 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1299 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1300 */
1198void 1301void
1199rxvt_term::scr_erase_screen (int mode) 1302rxvt_term::scr_erase_screen (int mode) NOTHROW
1200{ 1303{
1201 int num; 1304 int num;
1202 int32_t row, row_offset; 1305 int32_t row;
1203 rend_t ren; 1306 rend_t ren;
1204 XGCValues gcvalue; 1307 XGCValues gcvalue;
1205 1308
1206 want_refresh = 1; 1309 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1310 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1311
1211 switch (mode) { 1312 switch (mode)
1313 {
1212 case 0: /* erase to end of screen */ 1314 case 0: /* erase to end of screen */
1213 selection_check (1); 1315 selection_check (1);
1214 scr_erase_line (0); 1316 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1317 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1318 num = nrow - row;
1217 break; 1319 break;
1218 case 1: /* erase to beginning of screen */ 1320 case 1: /* erase to beginning of screen */
1219 selection_check (3); 1321 selection_check (3);
1220 scr_erase_line (1); 1322 scr_erase_line (1);
1221 row = 0; 1323 row = 0;
1222 num = screen.cur.row; 1324 num = screen.cur.row;
1223 break; 1325 break;
1224 case 2: /* erase whole screen */ 1326 case 2: /* erase whole screen */
1225 selection_check (3); 1327 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1328 row = 0;
1230 num = TermWin.nrow; 1329 num = nrow;
1231 break; 1330 break;
1232 default: 1331 default:
1233 return; 1332 return;
1234 } 1333 }
1235 refresh_type |= REFRESH_BOUNDS; 1334
1236 if (selection.op && current_screen == selection.screen 1335 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1336 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1337 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1338 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1339 CLEAR_SELECTION ();
1340
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1341 if (row >= nrow) /* Out Of Bounds */
1242 return; 1342 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1343
1344 min_it (num, nrow - row);
1345
1244 if (rstyle & (RS_RVid | RS_Uline)) 1346 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1347 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1348 else if (GET_BASEBG (rstyle) == Color_bg)
1349 {
1247 ren = DEFAULT_RSTYLE; 1350 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1351
1249 } else { 1352 if (mapped)
1353 XClearArea (dpy, vt, 0,
1354 Row2Pixel (row - view_start), (unsigned int)width,
1355 (unsigned int)Height2Pixel (num), False);
1356 }
1357 else
1358 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1359 ren = rstyle & (RS_fgMask | RS_bgMask);
1360
1361 if (mapped)
1362 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1363 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1364 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1365 XFillRectangle (dpy, vt, gc,
1366 0, Row2Pixel (row - view_start),
1367 (unsigned int)width,
1368 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1369 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1370 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1371 }
1256 } 1372 }
1373
1257 for (; num--; row++) { 1374 for (; num--; row++)
1258 scr_blank_screen_mem (screen.text, screen.rend,
1259 (unsigned int)(row + row_offset), rstyle);
1260 screen.tlen[row + row_offset] = 0;
1261 scr_blank_line (drawn_text[row], drawn_rend[row],
1262 (unsigned int)TermWin.ncol, ren);
1263 } 1375 {
1376 scr_blank_screen_mem (ROW(row), rstyle);
1377
1378 if (row - view_start < nrow)
1379 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1380 }
1264} 1381}
1382
1383#if !ENABLE_MINIMAL
1384void
1385rxvt_term::scr_erase_savelines () NOTHROW
1386{
1387 want_refresh = 1;
1388 ZERO_SCROLLBACK ();
1389
1390 top_row = 0;
1391}
1392#endif
1265 1393
1266/* ------------------------------------------------------------------------- */ 1394/* ------------------------------------------------------------------------- */
1267/* 1395/*
1268 * Fill the screen with `E's 1396 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1397 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1398 */
1271void 1399void
1272rxvt_term::scr_E () 1400rxvt_term::scr_E () NOTHROW
1273{ 1401{
1274 int i, j, k; 1402 rend_t fs;
1275 rend_t *r1, fs;
1276 1403
1277 want_refresh = 1; 1404 want_refresh = 1;
1405 ZERO_SCROLLBACK ();
1406
1278 num_scr_allow = 0; 1407 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3); 1408 selection_check (3);
1281 1409
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1410 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1411 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1412 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1413 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1414
1415 fill_text (line.t, 'E', ncol);
1416 rend_t *r1 = line.r;
1417
1418 for (int j = ncol; j--; )
1287 *r1++ = fs; 1419 *r1++ = fs;
1420
1421 line.is_longer (0);
1422 line.touch (ncol);
1288 } 1423 }
1289} 1424}
1290 1425
1291/* ------------------------------------------------------------------------- */ 1426/* ------------------------------------------------------------------------- */
1292/* 1427/*
1293 * Insert/Delete <count> lines 1428 * Insert/Delete <count> lines
1294 */ 1429 */
1295void 1430void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1431rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1297{ 1432{
1298 int end; 1433 int end;
1299 1434
1300 ZERO_SCROLLBACK(); 1435 ZERO_SCROLLBACK ();
1301 1436
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1437 selection_check (1);
1308 1438
1309 if (screen.cur.row > screen.bscroll) 1439 if (screen.cur.row > screen.bscroll)
1440 return;
1441
1442 end = screen.bscroll - screen.cur.row + 1;
1443 if (count > end)
1444 {
1445 if (insdel == DELETE)
1310 return; 1446 return;
1311
1312 end = screen.bscroll - screen.cur.row + 1;
1313 if (count > end) {
1314 if (insdel == DELETE)
1315 return;
1316 else if (insdel == INSERT) 1447 else if (insdel == INSERT)
1317 count = end; 1448 count = end;
1318 } 1449 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1450
1451 scr_do_wrap ();
1452
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1453 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1454}
1323 1455
1324/* ------------------------------------------------------------------------- */ 1456/* ------------------------------------------------------------------------- */
1325/* 1457/*
1326 * Insert/Delete <count> characters from the current position 1458 * Insert/Delete <count> characters from the current position
1327 */ 1459 */
1328void 1460void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1461rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1330{ 1462{
1331 int col, row;
1332 rend_t tr;
1333 text_t *stp;
1334 rend_t *srp;
1335 int16_t *slp;
1336
1337 want_refresh = 1; 1463 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1464 ZERO_SCROLLBACK ();
1339 1465
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1466 if (count <= 0)
1346 return; 1467 return;
1347 1468
1469 scr_do_wrap ();
1470
1348 selection_check (1); 1471 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1472 min_it (count, ncol - screen.cur.col);
1350 1473
1351 row = screen.cur.row + TermWin.saveLines; 1474 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1475
1354 stp = screen.text[row]; 1476 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1477
1356 slp = &(screen.tlen[row]); 1478 line->touch ();
1479 line->is_longer (0);
1480
1481 // nuke wide spanning the start
1482 if (line->t[screen.cur.col] == NOCHAR)
1483 scr_kill_char (*line, screen.cur.col);
1484
1357 switch (insdel) { 1485 switch (insdel)
1486 {
1358 case INSERT: 1487 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1488 line->l = min (line->l + count, ncol);
1360 col--) { 1489
1490 if (line->t[screen.cur.col] == NOCHAR)
1491 scr_kill_char (*line, screen.cur.col);
1492
1493 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1494 {
1361 stp[col] = stp[col - count]; 1495 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1496 line->r[col] = line->r[col - count];
1363 } 1497 }
1364 if (*slp != -1) { 1498
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1499 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1500 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1501 {
1370 if (selection.end.row != screen.cur.row 1502 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1503 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1504 CLEAR_SELECTION ();
1505 else
1506 {
1373 else { /* shift selection */ 1507 /* shift selection */
1374 selection.beg.col += count; 1508 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1509 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1510 selection.end.col += count;
1377 } 1511 }
1378 } 1512 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1513
1380 (unsigned int)count, rstyle); 1514 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1515 break;
1516
1382 case ERASE: 1517 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1518 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1519 selection_check (1);
1385 screen.cur.col -= count; 1520 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1521
1387 (unsigned int)count, rstyle); 1522 // nuke wide char after the end
1523 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1524 scr_kill_char (*line, screen.cur.col + count);
1525
1526 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1527 break;
1528
1389 case DELETE: 1529 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1530 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1531
1532 // nuke wide char spanning the end
1533 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1534 scr_kill_char (*line, screen.cur.col + count);
1535
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1536 for (int col = screen.cur.col; (col + count) < ncol; col++)
1537 {
1393 stp[col] = stp[col + count]; 1538 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1539 line->r[col] = line->r[col + count];
1395 } 1540 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1541
1397 &(srp[TermWin.ncol - count]), 1542 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1543
1399 if (*slp == -1) /* break line continuation */
1400 *slp = TermWin.ncol;
1401 *slp -= count;
1402 MAX_IT(*slp, 0);
1403 if (selection.op && current_screen == selection.screen 1544 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1545 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1546 {
1405 if (selection.end.row != screen.cur.row 1547 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1548 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1549 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1550 CLEAR_SELECTION ();
1409 else { 1551 else
1552 {
1410 /* shift selection */ 1553 /* shift selection */
1411 selection.beg.col -= count; 1554 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1555 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1556 selection.end.col -= count;
1414 } 1557 }
1415 } 1558 }
1559
1416 break; 1560 break;
1417 } 1561 }
1418} 1562}
1419 1563
1420/* ------------------------------------------------------------------------- */ 1564/* ------------------------------------------------------------------------- */
1421/* 1565/*
1422 * Set the scrolling region 1566 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1567 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1568 */
1425void 1569void
1426rxvt_term::scr_scroll_region (int top, int bot) 1570rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1427{ 1571{
1428 MAX_IT(top, 0); 1572 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1573 min_it (bot, nrow - 1);
1574
1430 if (top > bot) 1575 if (top > bot)
1431 return; 1576 return;
1577
1432 screen.tscroll = top; 1578 screen.tscroll = top;
1433 screen.bscroll = bot; 1579 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1580 scr_gotorc (0, 0, 0);
1435} 1581}
1436 1582
1437/* ------------------------------------------------------------------------- */ 1583/* ------------------------------------------------------------------------- */
1438/* 1584/*
1439 * Make the cursor visible/invisible 1585 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1586 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1587 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1588 */
1443void 1589void
1444rxvt_term::scr_cursor_visible (int mode) 1590rxvt_term::scr_cursor_visible (int mode) NOTHROW
1445{ 1591{
1446 want_refresh = 1; 1592 want_refresh = 1;
1593
1447 if (mode) 1594 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1595 screen.flags |= Screen_VisibleCursor;
1449 else 1596 else
1450 screen.flags &= ~Screen_VisibleCursor; 1597 screen.flags &= ~Screen_VisibleCursor;
1451} 1598}
1452 1599
1453/* ------------------------------------------------------------------------- */ 1600/* ------------------------------------------------------------------------- */
1454/* 1601/*
1455 * Set/unset automatic wrapping 1602 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1603 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1604 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1605 */
1459void 1606void
1460rxvt_term::scr_autowrap (int mode) 1607rxvt_term::scr_autowrap (int mode) NOTHROW
1461{ 1608{
1462 if (mode) 1609 if (mode)
1463 screen.flags |= Screen_Autowrap; 1610 screen.flags |= Screen_Autowrap;
1464 else 1611 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1612 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1613}
1467 1614
1468/* ------------------------------------------------------------------------- */ 1615/* ------------------------------------------------------------------------- */
1469/* 1616/*
1470 * Set/unset margin origin mode 1617 * Set/unset margin origin mode
… …
1474 * and the cursor cannot be moved outside. 1621 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1622 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1623 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1624 */
1478void 1625void
1479rxvt_term::scr_relative_origin (int mode) 1626rxvt_term::scr_relative_origin (int mode) NOTHROW
1480{ 1627{
1481 if (mode) 1628 if (mode)
1482 screen.flags |= Screen_Relative; 1629 screen.flags |= Screen_Relative;
1483 else 1630 else
1484 screen.flags &= ~Screen_Relative; 1631 screen.flags &= ~Screen_Relative;
1632
1485 scr_gotorc (0, 0, 0); 1633 scr_gotorc (0, 0, 0);
1486} 1634}
1487 1635
1488/* ------------------------------------------------------------------------- */ 1636/* ------------------------------------------------------------------------- */
1489/* 1637/*
1490 * Set insert/replace mode 1638 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1639 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1640 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1641 */
1494void 1642void
1495rxvt_term::scr_insert_mode (int mode) 1643rxvt_term::scr_insert_mode (int mode) NOTHROW
1496{ 1644{
1497 if (mode) 1645 if (mode)
1498 screen.flags |= Screen_Insert; 1646 screen.flags |= Screen_Insert;
1499 else 1647 else
1500 screen.flags &= ~Screen_Insert; 1648 screen.flags &= ~Screen_Insert;
1501} 1649}
1502 1650
1503/* ------------------------------------------------------------------------- */ 1651/* ------------------------------------------------------------------------- */
1504/* 1652/*
1505 * Set/Unset tabs 1653 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1654 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1655 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1656 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1657 */
1510void 1658void
1511rxvt_term::scr_set_tab (int mode) 1659rxvt_term::scr_set_tab (int mode) NOTHROW
1512{ 1660{
1513 if (mode < 0) 1661 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1662 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1663 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1664 tabs [screen.cur.col] = !!mode;
1517} 1665}
1518 1666
1519/* ------------------------------------------------------------------------- */ 1667/* ------------------------------------------------------------------------- */
1520/* 1668/*
1521 * Set reverse/normal video 1669 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1670 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1671 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1672 */
1525void 1673void
1526rxvt_term::scr_rvideo_mode (int mode) 1674rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1527{ 1675{
1676 rvideo_mode = on;
1677
1678#ifndef NO_BELL
1679 on ^= rvideo_bell;
1680#endif
1681
1682 if (rvideo_state != on)
1683 {
1684 rvideo_state = on;
1685
1686 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1687#ifdef HAVE_BG_PIXMAP
1688 if (bg_pixmap == None)
1689#endif
1690 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1691
1528 XGCValues gcvalue; 1692 XGCValues gcvalue;
1529
1530 if (rvideo != mode) {
1531 rvideo = mode;
1532 SWAP_IT(PixColors[Color_fg], PixColors[Color_bg], rxvt_color);
1533#if defined(XPM_BACKGROUND)
1534 if (bgPixmap.pixmap == None)
1535#endif
1536#if defined(TRANSPARENT)
1537 if (!(Options & Opt_transparent) || am_transparent == 0)
1538#endif
1539 XSetWindowBackground(Xdisplay, TermWin.vt,
1540 PixColors[Color_bg]);
1541
1542 gcvalue.foreground = PixColors[Color_fg]; 1693 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1694 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1695 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1696
1546 scr_clear (); 1697 scr_clear ();
1547 scr_touch (true); 1698 scr_touch (true);
1548 } 1699 }
1549} 1700}
1550 1701
1551/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1552/* 1703/*
1553 * Report current cursor position 1704 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1705 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1706 */
1556void 1707void
1557rxvt_term::scr_report_position () 1708rxvt_term::scr_report_position () NOTHROW
1558{ 1709{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1710 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1711}
1561 1712
1562/* ------------------------------------------------------------------------- * 1713/* ------------------------------------------------------------------------- *
1563 * FONTS * 1714 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1715 * ------------------------------------------------------------------------- */
1565 1716
1566/* 1717/*
1567 * Set font style 1718 * Set font style
1568 */ 1719 */
1569void 1720void
1570rxvt_term::set_font_style () 1721rxvt_term::set_font_style () NOTHROW
1571{ 1722{
1723#if 0
1572 switch (charsets[screen.charset]) { 1724 switch (charsets [screen.charset])
1725 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1726 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1727 break;
1575 case 'A': /* United Kingdom (UK) */ 1728 case 'A': /* United Kingdom (UK) */
1576 break; 1729 break;
1577 case 'B': /* United States (USASCII) */ 1730 case 'B': /* United States (USASCII) */
1578 break; 1731 break;
1579 case '<': /* Multinational character set */ 1732 case '<': /* Multinational character set */
1580 break; 1733 break;
1581 case '5': /* Finnish character set */ 1734 case '5': /* Finnish character set */
1582 break; 1735 break;
1583 case 'C': /* Finnish character set */ 1736 case 'C': /* Finnish character set */
1584 break; 1737 break;
1585 case 'K': /* German character set */ 1738 case 'K': /* German character set */
1586 break; 1739 break;
1587 } 1740 }
1741#endif
1588} 1742}
1589 1743
1590/* ------------------------------------------------------------------------- */ 1744/* ------------------------------------------------------------------------- */
1591/* 1745/*
1592 * Choose a font 1746 * Choose a font
… …
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1748 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1749 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1750 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1751 */
1598void 1752void
1599rxvt_term::scr_charset_choose (int set) 1753rxvt_term::scr_charset_choose (int set) NOTHROW
1600{ 1754{
1601 screen.charset = set; 1755 screen.charset = set;
1602 set_font_style (); 1756 set_font_style ();
1603} 1757}
1604 1758
1605/* ------------------------------------------------------------------------- */ 1759/* ------------------------------------------------------------------------- */
1606/* 1760/*
1607 * Set a font 1761 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1764 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1765 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1766 * See set_font_style for possible values for <C>
1613 */ 1767 */
1614void 1768void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1769rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1616{ 1770{
1617 charsets[set] = (unsigned char)ch; 1771 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1772 set_font_style ();
1619} 1773}
1620 1774
1621 1775
1622/* ------------------------------------------------------------------------- * 1776/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1777 * MAJOR SCREEN MANIPULATION *
… …
1625 1779
1626/* 1780/*
1627 * refresh matching text. 1781 * refresh matching text.
1628 */ 1782 */
1629bool 1783bool
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1784rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1631{ 1785{
1632 bool found = false; 1786 bool found = false;
1633 1787
1634 for (int i = 0; i < TermWin.nrow; i++) 1788 for (int i = 0; i < nrow; i++)
1635 { 1789 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1790 rend_t *drp = drawn_buf[i].r;
1638 1791
1639 for (; col < TermWin.ncol; col++, drp++) 1792 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1793 if ((*drp & mask) == value)
1641 { 1794 {
1642 found = true; 1795 found = true;
1643 *drp = ~value; 1796 *drp = ~value;
1644 } 1797 }
… …
1649 1802
1650/* 1803/*
1651 * Refresh an area 1804 * Refresh an area
1652 */ 1805 */
1653enum { 1806enum {
1654 PART_BEG = 0, 1807 PART_BEG = 0,
1655 PART_END, 1808 PART_END,
1656 RC_COUNT 1809 RC_COUNT
1657}; 1810};
1658 1811
1659void 1812void
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1813rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1661{ 1814{
1662 int i; 1815 int i;
1663 row_col_t rc[RC_COUNT]; 1816 row_col_t rc[RC_COUNT];
1664 1817
1665 if (drawn_text == NULL) /* sanity check */ 1818 if (!drawn_buf) /* sanity check */
1666 return; 1819 return;
1667 1820
1668#ifdef DEBUG_STRICT 1821#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1822 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1823 {
1671 y = max(y, (int)TermWin.int_bwidth); 1824 y = 0;
1672 y = min(y, (int)TermWin.height); 1825 eheight = height;
1826 }
1673#endif 1827#endif
1674 1828
1675/* round down */ 1829 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1830 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1831 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1832 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1833 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1834 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1835
1682/* sanity checks */ 1836 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1837 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1838 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1839 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1840 min_it (rc[i].row, nrow - 1);
1687 } 1841 }
1688
1689 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));
1690 1842
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1843 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1844 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1693 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1845
1846 num_scr_allow = 0;
1694 1847
1695 if (refresh) 1848 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1849 scr_refresh ();
1697} 1850}
1698 1851
1699/* ------------------------------------------------------------------------- */ 1852/* ------------------------------------------------------------------------- */
1700/* 1853/*
1701 * Refresh the entire screen 1854 * Refresh the entire screen
1702 */ 1855 */
1703void 1856void
1704rxvt_term::scr_touch (bool refresh) 1857rxvt_term::scr_touch (bool refresh) NOTHROW
1705{ 1858{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1859 scr_expose (0, 0, width, height, refresh);
1707} 1860}
1708 1861
1709/* ------------------------------------------------------------------------- */ 1862/* ------------------------------------------------------------------------- */
1710/* 1863/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1864 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1865 * the top of the screen
1713 */ 1866 */
1714int 1867void
1715rxvt_term::scr_move_to (int y, int len) 1868rxvt_term::scr_move_to (int y, int len) NOTHROW
1716{ 1869{
1717 long p = 0; 1870 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1718 uint16_t oldviewstart;
1719
1720 oldviewstart = TermWin.view_start;
1721 if (y < len) {
1722 p = (TermWin.nrow + TermWin.nscrolled) * (len - y) / len;
1723 p -= (long)(TermWin.nrow - 1);
1724 p = max(p, 0);
1725 }
1726 TermWin.view_start = (uint16_t)min(p, TermWin.nscrolled);
1727 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, TermWin.view_start));
1728
1729 return scr_changeview (oldviewstart);
1730} 1871}
1731 1872
1732/* ------------------------------------------------------------------------- */ 1873/* ------------------------------------------------------------------------- */
1733/* 1874/*
1734 * Page the screen up/down nlines 1875 * Page the screen up/down nlines
1735 * direction should be UP or DN 1876 * direction should be UP or DN
1736 */ 1877 */
1737int 1878bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1879rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1739{ 1880{
1740 int n; 1881 int new_view_start =
1741 uint16_t oldviewstart; 1882 direction == UP ? view_start - nlines
1883 : view_start + nlines;
1742 1884
1743 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1744#ifdef DEBUG_STRICT
1745 assert((nlines >= 0) && (nlines <= TermWin.nrow));
1746#endif
1747 oldviewstart = TermWin.view_start;
1748 if (direction == UP) {
1749 n = TermWin.view_start + nlines;
1750 TermWin.view_start = min(n, TermWin.nscrolled);
1751 } else {
1752 n = TermWin.view_start - nlines;
1753 TermWin.view_start = max(n, 0);
1754 }
1755 return scr_changeview (oldviewstart); 1885 return scr_changeview (new_view_start);
1756} 1886}
1757 1887
1758int 1888bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1889rxvt_term::scr_changeview (int new_view_start) NOTHROW
1760{ 1890{
1761 if (TermWin.view_start != oldviewstart) { 1891 clamp_it (new_view_start, top_row, 0);
1892
1893 if (new_view_start == view_start)
1894 return false;
1895
1896 num_scr += new_view_start - view_start;
1897 view_start = new_view_start;
1762 want_refresh = 1; 1898 want_refresh = 1;
1763#ifdef RXVT_GRAPHICS
1764 if (Gr_Displayed ())
1765 Gr_scroll (0);
1766#endif
1767 num_scr -= (TermWin.view_start - oldviewstart);
1768 }
1769 return (int)(TermWin.view_start - oldviewstart);
1770}
1771 1899
1772/* ------------------------------------------------------------------------- */ 1900 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1901
1774rxvt_term::scr_bell () 1902 return true;
1775{ 1903}
1904
1776#ifndef NO_BELL 1905#ifndef NO_BELL
1906void
1907rxvt_term::bell_cb (ev::timer &w, int revents)
1908{
1909 rvideo_bell = false;
1910 scr_rvideo_mode (rvideo_mode);
1911 refresh_check ();
1912}
1913#endif
1914
1915/* ------------------------------------------------------------------------- */
1916void
1917rxvt_term::scr_bell () NOTHROW
1918{
1919#ifndef NO_BELL
1920
1777# ifndef NO_MAPALERT 1921# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1922# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1923 if (option (Opt_mapAlert))
1780# endif 1924# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1925 XMapWindow (dpy, parent[0]);
1782# endif 1926# endif
1927
1928# if ENABLE_FRILLS
1929 if (option (Opt_urgentOnBell))
1930 set_urgency (1);
1931# endif
1932
1783 if (Options & Opt_visualBell) { 1933 if (option (Opt_visualBell))
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1934 {
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1935 rvideo_bell = true;
1936 scr_rvideo_mode (rvideo_mode);
1937 flush ();
1938
1939 bell_ev.start (VISUAL_BELL_DURATION);
1940 }
1786 } else 1941 else
1787 XBell(Xdisplay, 0); 1942 XBell (dpy, 0);
1943 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1788#endif 1944#endif
1789} 1945}
1790 1946
1791/* ------------------------------------------------------------------------- */ 1947/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1948/* ARGSUSED */
1793void 1949void
1794rxvt_term::scr_printscreen (int fullhist) 1950rxvt_term::scr_printscreen (int fullhist) NOTHROW
1795{ 1951{
1796#ifdef PRINTPIPE 1952#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1953 int nrows, row_start;
1798 text_t *t; 1954 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1955
1801 if ((fd = popen_printer ()) == NULL) 1956 if (!fd)
1802 return; 1957 return;
1803 nrows = TermWin.nrow; 1958
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1959 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1960 {
1811 1961 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1962 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 1963 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 1964 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 1965 {
1966 nrows = nrow;
1967 row_start = view_start;
1968 }
1969
1970 wctomb (0, 0);
1971
1972 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1973 {
1974 text_t *tp = ROW(r1).t;
1975 int len = ROW(r1).l;
1976
1977 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1978 {
1979 char mb[MB_LEN_MAX];
1980 text_t t = *tp++;
1981 if (t == NOCHAR)
1982 continue;
1983
1984 len = wctomb (mb, t);
1985
1986 if (len <= 0)
1987 {
1988 mb[0] = ' ';
1989 len = 1;
1990 }
1991
1992 fwrite (mb, 1, len, fd);
1993 }
1994
1995 fputc ('\n', fd);
1996 }
1997
1819 pclose_printer (fd); 1998 pclose_printer (fd);
1820#endif 1999#endif
1821} 2000}
1822 2001
1823/* ------------------------------------------------------------------------- */ 2002/* ------------------------------------------------------------------------- */
1824/* 2003/*
1825 * Refresh the screen 2004 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2005 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2006 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2007 */
1829
1830#define FONT_WIDTH(X, Y) \
1831 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1832#define FONT_RBEAR(X, Y) \
1833 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1834#define FONT_LBEAR(X, Y) \
1835 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1836#define IS_FONT_CHAR(X, Y) \
1837 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1838
1839void 2008void
1840rxvt_term::scr_refresh (unsigned char refresh_type) 2009rxvt_term::scr_refresh () NOTHROW
1841{ 2010{
1842 unsigned char clearfirst, /* first character writes before cell */
1843 clearlast, /* last character writes beyond cell */
1844 must_clear, /* use draw_string not draw_image_string */
1845 rvid, /* reverse video this position */
1846 showcursor; /* show the cursor */
1847 int16_t col, row, /* column/row we're processing */ 2011 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2012 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2013 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */
1852#ifndef NO_CURSORCOLOR 2014#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2015 rend_t cc1; /* store colours at cursor position (s) */
1854#endif 2016#endif
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2017 rend_t *crp; // cursor rendition pointer
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */ 2018 rend_t ccol1, /* Cursor colour */
2019 ccol2; /* Cursor colour2 */
1857 2020
2021 want_refresh = 0; /* screen is current */
2022
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2023 if (refresh_type == NO_REFRESH || !mapped)
1859 return; 2024 return;
1860 2025
1861 /* 2026 /*
1862 * A: set up vars 2027 * A: set up vars
1863 */ 2028 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0; 2029 refresh_count = 0;
1867 2030
1868 row_offset = TermWin.saveLines - TermWin.view_start; 2031 unsigned int old_screen_flags = screen.flags;
2032 char have_bg = 0;
2033#ifdef HAVE_BG_PIXMAP
2034 have_bg = bg_pixmap != None;
2035#endif
2036 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1869 2037
1870 if ((refresh_type & REFRESH_BOUNDS)) 2038 /*
2039 * B: reverse any characters which are selected
2040 */
2041 scr_reverse_selection ();
2042
2043 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044#if ENABLE_OVERLAY
2045 scr_swap_overlay ();
2046#endif
2047
2048 char showcursor = screen.flags & Screen_VisibleCursor;
2049
2050 /*
2051 * C: set the cursor character (s)
2052 */
2053 {
2054 unsigned char setoldcursor;
2055
2056#ifdef CURSOR_BLINK
2057 if (hidden_cursor)
2058 showcursor = 0;
2059#endif
2060
2061 if (showcursor)
1871 { 2062 {
1872 clearfirst = clearlast = 1; 2063 int col = screen.cur.col;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875 2064
1876#ifdef XPM_BACKGROUND 2065 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
1877 must_clear |= (bgPixmap.pixmap != None); 2066 col--;
1878#endif
1879#ifdef TRANSPARENT
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883 2067
1884 /* 2068 crp = &ROW(screen.cur.row).r[col];
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888 2069
1889 /*
1890 * C: set the cursor character(s)
1891 */
1892 {
1893 unsigned char setoldcursor;
1894 rend_t ccol1, /* Cursor colour */
1895 ccol2; /* Cursor colour2 */
1896
1897 showcursor = (screen.flags & Screen_VisibleCursor);
1898 cursorwidth = 0;
1899#ifdef CURSOR_BLINK
1900 if (hidden_cursor)
1901 showcursor = 0;
1902#endif
1903
1904 cursorwidth = 0;
1905
1906 if (showcursor)
1907 {
1908 cursorwidth++;
1909
1910 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1911 [screen.cur.col]);
1912
1913 if (showcursor && TermWin.focus)
1914 {
1915 *srp ^= RS_RVid;
1916#ifndef NO_CURSORCOLOR 2070#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask); 2071 cc1 = *crp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2072 if (ISSET_PIXCOLOR (Color_cursor))
1919 ccol1 = Color_cursor; 2073 ccol1 = Color_cursor;
1920 else 2074 else
2075#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2076#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2077 ccol1 = fgcolor_of (rstyle);
1923#else 2078#else
1924 ccol1 = Color_fg; 2079 ccol1 = Color_fg;
1925#endif 2080#endif
2081
2082#ifndef NO_CURSORCOLOR
1926 if (ISSET_PIXCOLOR (Color_cursor2)) 2083 if (ISSET_PIXCOLOR (Color_cursor2))
1927 ccol2 = Color_cursor2; 2084 ccol2 = Color_cursor2;
1928 else 2085 else
2086#endif
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2087#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle); 2088 ccol2 = bgcolor_of (rstyle);
1931#else 2089#else
1932 ccol2 = Color_bg; 2090 ccol2 = Color_bg;
1933#endif 2091#endif
2092
2093 if (focus)
2094 {
2095 if (option (Opt_cursorUnderline))
2096 *crp ^= RS_Uline;
2097 else
2098 {
2099 *crp ^= RS_RVid;
1934 *srp = SET_FGCOLOR(*srp, ccol1); 2100 *crp = SET_FGCOLOR (*crp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2); 2101 *crp = SET_BGCOLOR (*crp, ccol2);
1936#endif
1937 }
1938 }
1939
1940 /* make sure no outline cursor is left around */
1941 setoldcursor = 0;
1942 if (ocrow != -1) {
1943 if (screen.cur.row + TermWin.view_start != ocrow
1944 || screen.cur.col != oldcursor.col) {
1945 if (ocrow < TermWin.nrow
1946 && oldcursor.col < TermWin.ncol) {
1947 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
1948 } 2102 }
1949 if (TermWin.focus || !showcursor)
1950 oldcursor.row = -1;
1951 else
1952 setoldcursor = 1;
1953 }
1954 } else if (!TermWin.focus)
1955 setoldcursor = 1;
1956 if (setoldcursor) {
1957 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
1958 oldcursor.row = -1;
1959 else {
1960 oldcursor.row = screen.cur.row + TermWin.view_start;
1961 oldcursor.col = screen.cur.col;
1962 } 2103 }
1963 } 2104 }
2105
2106 /* make sure no outline cursor is left around */
2107 setoldcursor = 0;
2108 if (ocrow != -1)
2109 {
2110 if (screen.cur.row - view_start != ocrow
2111 || screen.cur.col != oldcursor.col)
2112 {
2113 if (ocrow < nrow
2114 && oldcursor.col < ncol)
2115 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2116
2117 if (focus || !showcursor)
2118 oldcursor.row = -1;
2119 else
2120 setoldcursor = 1;
2121 }
1964 } 2122 }
2123 else if (!focus)
2124 setoldcursor = 1;
2125
2126 if (setoldcursor)
2127 {
2128 if (screen.cur.row - view_start >= nrow)
2129 oldcursor.row = -1;
2130 else
2131 {
2132 oldcursor.row = screen.cur.row - view_start;
2133 oldcursor.col = screen.cur.col;
2134 }
2135 }
2136 }
1965 2137
1966#ifndef NO_SLOW_LINK_SUPPORT 2138#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2139 /*
1968 * D: CopyArea pass - very useful for slower links 2140 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2141 * This has been deliberately kept simple.
1970 */ 2142 */
1971 i = num_scr; 2143 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2144 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2145 && abs (num_scr) < nrow && !have_bg)
1974 { 2146 {
1975 int16_t nits; 2147 int16_t nits;
1976 int j; 2148 int i = num_scr;
1977 rend_t *drp2; 2149 int j;
1978 text_t *dtp2; 2150 int len, wlen;
1979 int len, wlen; 2151 dLocal (int, num_scr);
1980 2152
1981 j = TermWin.nrow; 2153 j = nrow;
1982 wlen = len = -1; 2154 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2155 row = i > 0 ? 0 : j - 1;
2156
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2157 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2158 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2159 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2160 {
1988 stp = screen.text[row + row_offset]; 2161 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2162 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2163 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2164
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2165 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2166 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2167 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2168 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2169 nits++;
2000 2170
2001 if (nits > 8) /* XXX: arbitrary choice */ 2171 if (nits > 8) /* XXX: arbitrary choice */
2172 {
2173 for (col = ncol; col--; )
2174 {
2175 *d.t++ = *d2.t++;
2176 *d.r++ = *d2.r++;
2177 }
2178
2179 if (len == -1)
2180 len = row;
2181
2182 wlen = row;
2183 continue;
2184 }
2185 }
2186
2187 if (len >= 0)
2188 {
2189 /* also comes here at end if needed because of >= above */
2190 if (wlen < len)
2191 ::swap (wlen, len);
2192
2193 XGCValues gcv;
2194
2195 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2196 XCopyArea (dpy, vt, vt,
2197 gc, 0, Row2Pixel (len + i),
2198 (unsigned int)this->width,
2199 (unsigned int)Height2Pixel (wlen - len + 1),
2200 0, Row2Pixel (len));
2201 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2202
2203 len = -1;
2204 }
2205 }
2206 }
2207#endif
2208
2209 /*
2210 * E: main pass across every character
2211 */
2212 for (row = 0; row < nrow; row++)
2213 {
2214 text_t *stp = ROW(view_start + row).t;
2215 rend_t *srp = ROW(view_start + row).r;
2216 text_t *dtp = drawn_buf[row].t;
2217 rend_t *drp = drawn_buf[row].r;
2218
2219 /*
2220 * E2: OK, now the real pass
2221 */
2222 int ypixel = (int)Row2Pixel (row);
2223
2224 for (col = 0; col < ncol; col++)
2225 {
2226 /* compare new text with old - if exactly the same then continue */
2227 if (stp[col] == dtp[col] /* Must match characters to skip. */
2228 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2229 || (stp[col] == ' ' /* space w/ no background change */
2230 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2231 continue;
2232
2233 // redraw one or more characters
2234
2235 // seek to the beginning of wide characters
2236 while (expect_false (stp[col] == NOCHAR && col > 0))
2237 --col;
2238
2239 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240 text_t *text = stp + col;
2241 int count = 1;
2242
2243 dtp[col] = stp[col];
2244 drp[col] = rend;
2245
2246 int xpixel = Col2Pixel (col);
2247
2248 for (i = 0; ++col < ncol; )
2249 {
2250 if (stp[col] == NOCHAR)
2251 {
2252 dtp[col] = stp[col];
2253 drp[col] = srp[col];
2254
2255 count++;
2256 i++;
2257
2258 continue;
2259 }
2260
2261 if (!RS_SAME (rend, srp[col]))
2262 break;
2263
2264 count++;
2265
2266 if (stp[col] != dtp[col]
2267 || !RS_SAME (srp[col], drp[col]))
2268 {
2269 if (have_bg && (i++ > count / 2))
2270 break;
2271
2272 dtp[col] = stp[col];
2273 drp[col] = rend;
2274 i = 0;
2275 }
2276 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2277 break;
2278 }
2279
2280 col--; /* went one too far. move back */
2281 count -= i; /* dump any matching trailing chars */
2282
2283 // sometimes we optimize away the trailing NOCHAR's, add them back
2284 while (expect_false (i && text[count] == NOCHAR))
2285 count++, i--;
2286
2287 /*
2288 * Determine the attributes for the string
2289 */
2290 int fore = fgcolor_of (rend); // desired foreground
2291 int back = bgcolor_of (rend); // desired background
2292
2293 // only do special processing if any attributes are set, which is unlikely
2294 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295 {
2296 bool invert = rend & RS_RVid;
2297
2298#ifndef NO_BOLD_UNDERLINE_REVERSE
2299 if (rend & RS_Bold && fore == Color_fg)
2300 {
2301 if (ISSET_PIXCOLOR (Color_BD))
2302 fore = Color_BD;
2303# if !ENABLE_STYLES
2304 else
2305 invert = !invert;
2306# endif
2307 }
2308
2309 if (rend & RS_Italic && fore == Color_fg)
2310 {
2311 if (ISSET_PIXCOLOR (Color_IT))
2312 fore = Color_IT;
2313# if !ENABLE_STYLES
2314 else
2315 invert = !invert;
2316# endif
2317 }
2318
2319 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2320 fore = Color_UL;
2321#endif
2322
2323#ifdef OPTION_HC
2324 if (rend & RS_Sel)
2325 {
2326 /* invert the column if no highlightColor is set or it is the
2327 * current cursor column */
2328 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2329 && ISSET_PIXCOLOR (Color_HC))
2330 {
2331 if (ISSET_PIXCOLOR (Color_HTC))
2332 fore = Color_HTC;
2333 // if invert is 0 reverse video is set so we use bg color as fg color
2334 else if (!invert)
2335 fore = back;
2336
2337 back = Color_HC;
2338 invert = 0;
2339 }
2340 }
2341#endif
2342
2343 if (invert)
2344 {
2345 ::swap (fore, back);
2346
2347#ifndef NO_BOLD_UNDERLINE_REVERSE
2348 if (fore == back)
2349 {
2350 fore = Color_bg;
2351 back = Color_fg;
2352 }
2353#endif
2354 }
2355
2356#ifdef TEXT_BLINK
2357 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2358 {
2359 if (!text_blink_ev.is_active ())
2360 {
2361 text_blink_ev.again ();
2362 hidden_text = 0;
2363 }
2364 else if (hidden_text)
2365 fore = back;
2366 }
2367#endif
2368
2369#if ENABLE_STYLES
2370 // "careful" (too wide) character handling
2371
2372 // include previous careful character(s) if possible, looks nicer (best effort...)
2373 while (text > stp
2374 && srp[text - stp - 1] & RS_Careful
2375 && RS_SAME (rend, srp[text - stp - 1]))
2376 text--, count++, xpixel -= fwidth;
2377
2378 // force redraw after "careful" characters to avoid pixel droppings
2379 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2380 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2381
2382 // force redraw before "careful" characters to avoid pixel droppings
2383 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2384 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2385#endif
2386 }
2387
2388 /*
2389 * Actually do the drawing of the string here
2390 */
2391 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392
2393 if (expect_true (have_bg && back == Color_bg))
2394 {
2395 // this is very ugly, maybe push it into ->draw?
2396
2397 for (i = 0; i < count; i++) /* don't draw empty strings */
2398 if (text[i] != ' ')
2002 { 2399 {
2003 for (col = TermWin.ncol; col--; ) 2400 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2401 goto did_clear;
2005 *dtp++ = *dtp2++;
2006 *drp++ = *drp2++;
2007 }
2008
2009 if (len == -1)
2010 len = row;
2011
2012 wlen = row;
2013 continue;
2014 } 2402 }
2403
2404 CLEAR_CHARS (xpixel, ypixel, count);
2405 did_clear: ;
2015 } 2406 }
2407 else
2408 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2409
2017 if (len != -1) 2410 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2411 {
2019 /* also comes here at end if needed because of >= above */ 2412#if ENABLE_FRILLS
2020 if (wlen < len) 2413 if (ISSET_PIXCOLOR (Color_underline))
2021 SWAP_IT(wlen, len, int); 2414 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415 else
2416#endif
2417 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2418
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2419 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2420 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2421 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2026 (unsigned int)TermWin_TotalWidth (),
2027 (unsigned int)Height2Pixel (wlen - len + 1),
2028 0, Row2Pixel (len));
2029 len = -1;
2030 } 2422 }
2031 } 2423 } /* for (col....) */
2032 } 2424 } /* for (row....) */
2033#endif
2034 2425
2035 /* 2426 /*
2036 * E: main pass across every character 2427 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2428 */
2038 for (row = 0; row < TermWin.nrow; row++) 2429 if (showcursor)
2039 { 2430 {
2040 stp = screen.text[row + row_offset]; 2431 if (focus)
2041 srp = screen.rend[row + row_offset];
2042 dtp = drawn_text[row];
2043 drp = drawn_rend[row];
2044
2045 /*
2046 * E2: OK, now the real pass
2047 */
2048 int ypixel = (int)Row2Pixel(row);
2049
2050 for (col = 0; col < TermWin.ncol; col++)
2051 { 2432 {
2052 /* compare new text with old - if exactly the same then continue */ 2433 if (option (Opt_cursorUnderline))
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2434 *crp ^= RS_Uline;
2054 2435 else
2055 if (stp[col] == dtp[col] /* Must match characters to skip. */
2056 && (rend == drp[col] /* Either rendition the same or */
2057 || (stp[col] == ' ' /* space w/ no background change */
2058 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2059 continue;
2060
2061 text_t *text = stp + col;
2062 int count = 1;
2063
2064 /* redraw one or more characters */
2065
2066 dtp[col] = stp[col];
2067 drp[col] = rend;
2068
2069 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2070 continue;
2071
2072 int xpixel = Col2Pixel(col);
2073
2074 // this loop looks very messy, it can probably be optimized
2075 // and cleaned a bit by you?
2076 for (i = 0; ++col < TermWin.ncol; )
2077 { 2436 {
2078 if (stp[col] == NOCHAR) 2437 *crp ^= RS_RVid;
2079 {
2080 dtp[col] = stp[col];
2081 drp[col] = rend;
2082 count++;
2083
2084 if (i) // only possible skip if char unchanged
2085 i++;
2086
2087 continue;
2088 }
2089
2090 if (rend != srp[col])
2091 break;
2092
2093 count++;
2094
2095 if (stp[col] != dtp[col]
2096 || srp[col] != drp[col])
2097 {
2098 if (must_clear && (i++ > (count / 2)))
2099 break;
2100
2101 dtp[col] = stp[col];
2102 drp[col] = rend;
2103 i = 0;
2104 }
2105 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2106 break;
2107 }
2108
2109 col--; /* went one too far. move back */
2110 count -= i; /* dump any matching trailing chars */
2111
2112 /*
2113 * Determine the attributes for the string
2114 */
2115 int fid = GET_FONT (rend);
2116 int fore = GET_FGCOLOR (rend); // desired foreground
2117 int back = GET_BGCOLOR (rend); // desired background
2118
2119 rend = GET_ATTR (rend);
2120
2121 rvid = !!(rend & RS_RVid);
2122#ifdef TEXT_BLINK
2123 if (rend & RS_Blink)
2124 {
2125 if (!text_blink_ev.active)
2126 {
2127 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2128 hidden_text = 0;
2129 }
2130 else if (hidden_text)
2131 fore = back;
2132 }
2133#endif
2134 if (rvid)
2135 {
2136 SWAP_IT(fore, back, int);
2137
2138#ifndef NO_BOLD_UNDERLINE_REVERSE
2139 if (ISSET_PIXCOLOR (Color_RV)
2140# ifndef NO_CURSORCOLOR 2438#ifndef NO_CURSORCOLOR
2439 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2440#endif
2441 }
2442 }
2443 else if (oldcursor.row >= 0)
2444 {
2445 int cursorwidth = 1;
2446 int col = oldcursor.col;
2447
2448 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2449 col--;
2450
2451 while (col + cursorwidth < ncol
2452 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2453 cursorwidth++;
2454
2455#ifndef NO_CURSORCOLOR
2141 && !ISSET_PIXCOLOR (Color_cursor) 2456 if (ISSET_PIXCOLOR (Color_cursor))
2457 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2458 else
2459#endif
2460 XSetForeground (dpy, gc, pix_colors[ccol1]);
2461
2462 XDrawRectangle (dpy, vt, gc,
2463 Col2Pixel (col),
2464 Row2Pixel (oldcursor.row),
2465 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2466 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2467 }
2468 }
2469
2470 /*
2471 * H: cleanup selection
2472 */
2473#if ENABLE_OVERLAY
2474 scr_swap_overlay ();
2475#endif
2476 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2477
2478 scr_reverse_selection ();
2479
2480 screen.flags = old_screen_flags;
2481 num_scr = 0;
2482 num_scr_allow = 1;
2483}
2484
2485void
2486rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2487{
2488 if (!l.t)
2489 return;
2490
2491 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2492
2493 for (int i = ncol; i--; )
2494 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2495}
2496
2497void
2498rxvt_term::scr_remap_chars () NOTHROW
2499{
2500 for (int i = total_rows; i--; )
2501 scr_remap_chars (row_buf [i]);
2502
2503 for (int i = nrow; i--; )
2504 {
2505 scr_remap_chars (drawn_buf [i]);
2506 scr_remap_chars (swap_buf [i]);
2507 }
2508}
2509
2510void
2511rxvt_term::scr_recolour (bool refresh) NOTHROW
2512{
2513 bool transparent = false;
2514
2515#ifdef HAVE_BG_PIXMAP
2516 if (bg_pixmap != None)
2517 {
2518# ifdef ENABLE_TRANSPARENCY
2519 if (bg_flags & BG_IS_TRANSPARENT)
2520 {
2521 XSetWindowBackgroundPixmap (dpy, parent[0], bg_pixmap);
2522 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2523
2524 transparent = true;
2525 }
2526 else
2142# endif 2527# endif
2143 )
2144 back = Color_RV;
2145#endif
2146 }
2147#ifndef NO_BOLD_UNDERLINE_REVERSE
2148 else if (rend & RS_Bold)
2149 {
2150 if (ISSET_PIXCOLOR (Color_BD))
2151 fore = Color_BD;
2152 else if (fore == Color_fg)
2153 fore = Color_White;
2154 }
2155 else if (rend & RS_Uline)
2156 {
2157 if (ISSET_PIXCOLOR (Color_UL))
2158 fore = Color_UL;
2159 }
2160#endif
2161
2162 /*
2163 * Actually do the drawing of the string here
2164 */
2165 rxvt_font *font = (*TermWin.fontset)[fid];
2166
2167 if (back == fore)
2168 font->clear_rect (xpixel, ypixel,
2169 TermWin.fwidth * count, TermWin.fheight,
2170 back);
2171 else if (back == Color_bg)
2172 {
2173 if (must_clear)
2174 {
2175 CLEAR_CHARS (xpixel, ypixel, count);
2176
2177 for (i = 0; i < count; i++) /* don't draw empty strings */
2178 if (text[i] != ' ')
2179 {
2180 font->draw (xpixel, ypixel, text, count, fore, -1);
2181 break;
2182 }
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2186 }
2187 else
2188 font->draw (xpixel, ypixel, text, count, fore, back);
2189
2190 if ((rend & RS_Uline) && (font->descent > 1))
2191 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2192 xpixel, ypixel + font->ascent + 1,
2193 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2194 } /* for (col....) */
2195 } /* for (row....) */
2196
2197 /*
2198 * G: cleanup cursor and display outline cursor if necessary
2199 */
2200 if (showcursor) {
2201 if (TermWin.focus) {
2202 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2203 [screen.cur.col]);
2204 *srp ^= RS_RVid;
2205#ifndef NO_CURSORCOLOR
2206 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2207#endif
2208 } else if (oldcursor.row >= 0) {
2209#ifndef NO_CURSORCOLOR
2210 if (ISSET_PIXCOLOR (Color_cursor))
2211 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2212#endif
2213 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2214 Col2Pixel(oldcursor.col),
2215 Row2Pixel(oldcursor.row),
2216 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2217 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2218 } 2528 {
2219 } 2529 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);
2220 2530 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2221 /*
2222 * H: cleanup selection
2223 */
2224 scr_reverse_selection ();
2225
2226 /*
2227 * I: other general cleanup
2228 */
2229 if (clearfirst && TermWin.int_bwidth)
2230 /* 2531 }
2231 * clear the whole screen height, note that width == 0 is treated 2532 }
2232 * specially by XClearArea 2533 else
2233 */ 2534#endif
2234 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2535 {
2235 (unsigned int)TermWin.int_bwidth, 2536 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);
2236 (unsigned int)TermWin_TotalHeight(), False); 2537 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2237 if (clearlast && TermWin.int_bwidth) 2538 }
2238 /*
2239 * clear the whole screen height, note that width == 0 is treated
2240 * specially by XClearArea
2241 */
2242 XClearArea(Xdisplay, TermWin.vt,
2243 TermWin.width + TermWin.int_bwidth, 0,
2244 (unsigned int)TermWin.int_bwidth,
2245 (unsigned int)TermWin_TotalHeight(), False);
2246 if (refresh_type & SMOOTH_REFRESH)
2247 XSync(Xdisplay, False);
2248 2539
2249 num_scr = 0; 2540 XClearWindow (dpy, parent[0]);
2250 num_scr_allow = 1;
2251 want_refresh = 0; /* screen is current */
2252}
2253 2541
2542 if (scrollBar.win)
2543 {
2544 if (transparent)
2545 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2546 else
2547 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2548 scrollBar.state = STATE_IDLE;
2549 scrollBar.show (0);
2550 }
2551
2552 if (refresh)
2553 {
2554 scr_clear ();
2555 scr_touch (true);
2556 }
2557 want_refresh = 1;
2558}
2559
2254/* ------------------------------------------------------------------------- */ 2560/* ------------------------------------------------------------------------- */
2255void 2561void
2256rxvt_term::scr_clear() 2562rxvt_term::scr_clear (bool really) NOTHROW
2257{ 2563{
2258 if (!TermWin.mapped) 2564 if (!mapped)
2259 return; 2565 return;
2260 2566
2261 num_scr_allow = 0; 2567 num_scr_allow = 0;
2262 want_refresh = 1; 2568 want_refresh = 1;
2263#ifdef TRANSPARENT 2569
2264 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2570 if (really)
2571 XClearWindow (dpy, vt);
2572}
2573
2574void
2575rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2576{
2577 int view_end = view_start + nrow;
2578 int row, col;
2579
2580 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2581 {
2582 text_t *stp = ROW(row).t;
2583 rend_t *srp = ROW(row).r;
2584
2585 for (col = beg_col; col < end_col; col++)
2586 srp[col] ^= rstyle1;
2587
2588 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2589 srp[col] ^= rstyle2;
2590
2591 if (++col < end_col)
2592 srp[col] ^= rstyle2;
2265 { 2593 }
2266 int i; 2594}
2267 2595
2268 if (!(Options & Opt_transparent_all)) 2596void
2597rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2598{
2599 int view_end = view_start + nrow;
2600 int row, col;
2601
2602 if (beg_row >= view_start)
2603 {
2604 col = beg_col;
2605 row = beg_row;
2606 }
2607 else
2608 {
2269 i = 0; 2609 col = 0;
2610 row = view_start;
2611 }
2612
2613 for (; row < min (end_row, view_end); row++, col = 0)
2614 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2615 srp[col] ^= rstyle;
2616
2617 if (row == end_row)
2618 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2619 srp[col] ^= rstyle;
2620}
2621
2622/* ------------------------------------------------------------------------- */
2623void
2624rxvt_term::scr_reverse_selection () NOTHROW
2625{
2626 if (selection.op
2627 && current_screen == selection.screen
2628 && selection.end.row >= view_start)
2629 {
2630#if !ENABLE_MINIMAL
2631 if (selection.rect)
2632 scr_xor_rect (selection.beg.row, selection.beg.col,
2633 selection.end.row, selection.end.col,
2634 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2270 else 2635 else
2271 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2272
2273 while (i--)
2274 if (TermWin.parent[i] != None)
2275 XClearWindow(Xdisplay, TermWin.parent[i]);
2276 }
2277#endif 2636#endif
2278 2637 scr_xor_span (selection.beg.row, selection.beg.col,
2279 XClearWindow (Xdisplay, TermWin.vt); 2638 selection.end.row, selection.end.col,
2280} 2639 RS_Sel | RS_RVid);
2281
2282/* ------------------------------------------------------------------------- */
2283void
2284rxvt_term::scr_reverse_selection ()
2285{
2286 int i, col, row, end_row;
2287 rend_t *srp;
2288
2289 if (selection.op && current_screen == selection.screen) {
2290 end_row = TermWin.saveLines - TermWin.view_start;
2291 i = selection.beg.row + TermWin.saveLines;
2292 row = selection.end.row + TermWin.saveLines;
2293 if (i >= end_row)
2294 col = selection.beg.col;
2295 else {
2296 col = 0;
2297 i = end_row;
2298 }
2299 end_row += TermWin.nrow;
2300 for (; i < row && i < end_row; i++, col = 0)
2301 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2302 srp[col] ^= RS_RVid;
2303 if (i == row && i < end_row)
2304 for (srp = screen.rend[i]; col < selection.end.col; col++)
2305 srp[col] ^= RS_RVid;
2306 } 2640 }
2307} 2641}
2308 2642
2309/* ------------------------------------------------------------------------- */ 2643/* ------------------------------------------------------------------------- */
2310/* 2644/*
2311 * Dump the whole scrollback and screen to the passed filedescriptor. The 2645 * Dump the whole scrollback and screen to the passed filedescriptor. The
2312 * invoking routine must close the fd. 2646 * invoking routine must close the fd.
2313 */ 2647 */
2314#if 0 2648#if 0
2315void 2649void
2316rxvt_term::scr_dump (int fd) 2650rxvt_term::scr_dump (int fd) NOTHROW
2317{ 2651{
2318 int row, wrote; 2652 int row, wrote;
2319 unsigned int width, towrite; 2653 unsigned int width, towrite;
2320 char r1[] = "\n"; 2654 const char r1[] = "\n";
2321 2655
2322 for (row = TermWin.saveLines - TermWin.nscrolled; 2656 for (row = saveLines + top_row;
2323 row < TermWin.saveLines + TermWin.nrow - 1; row++) { 2657 row < saveLines + nrow - 1; row++)
2324 width = screen.tlen[row] >= 0 ? screen.tlen[row] 2658 {
2325 : TermWin.ncol; 2659 width = row_buf[row].l >= 0 ? row_buf[row].l
2660 : ncol;
2326 for (towrite = width; towrite; towrite -= wrote) { 2661 for (towrite = width; towrite; towrite -= wrote)
2662 {
2327 wrote = write(fd, &(screen.text[row][width - towrite]), 2663 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2328 towrite); 2664 towrite);
2329 if (wrote < 0) 2665 if (wrote < 0)
2330 return; /* XXX: death, no report */ 2666 return; /* XXX: death, no report */
2331 } 2667 }
2332 if (screen.tlen[row] >= 0) 2668 if (row_buf[row].l >= 0)
2333 if (write(fd, r1, 1) <= 0) 2669 if (write (fd, r1, 1) <= 0)
2334 return; /* XXX: death, no report */ 2670 return; /* XXX: death, no report */
2335 } 2671 }
2336} 2672}
2337#endif 2673#endif
2338 2674
2339/* ------------------------------------------------------------------------- * 2675/* ------------------------------------------------------------------------- *
2340 * CHARACTER SELECTION * 2676 * CHARACTER SELECTION *
2341 * ------------------------------------------------------------------------- */ 2677 * ------------------------------------------------------------------------- */
2342
2343/*
2344 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2345 */
2346void 2678void
2347rxvt_term::selection_check (int check_more) 2679rxvt_term::selection_check (int check_more) NOTHROW
2348{ 2680{
2349 row_col_t pos; 2681 row_col_t pos;
2350 2682
2351 if (!selection.op) 2683 if (!selection.op)
2352 return; 2684 return;
2353 2685
2354 pos.row = pos.col = 0; 2686 pos.row = pos.col = 0;
2355 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2687 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2356 || (selection.beg.row >= TermWin.nrow) 2688 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2357 || (selection.mark.row < -(int32_t)TermWin.nscrolled) 2689 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2358 || (selection.mark.row >= TermWin.nrow)
2359 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2360 || (selection.end.row >= TermWin.nrow)
2361 || (check_more == 1 2690 || (check_more == 1
2362 && current_screen == selection.screen 2691 && current_screen == selection.screen
2363 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2692 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2364 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2693 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2365 || (check_more == 2 2694 || (check_more == 2
2366 && ROWCOL_IS_BEFORE(selection.beg, pos) 2695 && ROWCOL_IS_BEFORE (selection.beg, pos)
2367 && ROWCOL_IS_AFTER(selection.end, pos)) 2696 && ROWCOL_IS_AFTER (selection.end, pos))
2368 || (check_more == 3 2697 || (check_more == 3
2369 && ROWCOL_IS_AFTER(selection.end, pos)) 2698 && ROWCOL_IS_AFTER (selection.end, pos))
2370 || (check_more == 4 /* screen width change */ 2699 || (check_more == 4 /* screen width change */
2371 && (selection.beg.row != selection.end.row 2700 && (selection.beg.row != selection.end.row
2372 || selection.end.col > TermWin.ncol))) 2701 || selection.end.col > ncol)))
2373 CLEAR_SELECTION(); 2702 CLEAR_SELECTION ();
2374} 2703}
2375 2704
2376/* ------------------------------------------------------------------------- */ 2705/* ------------------------------------------------------------------------- */
2377/* 2706/*
2378 * Paste a selection direct to the command fd 2707 * Paste a selection direct to the command fd
2379 */ 2708 */
2380void 2709void
2381rxvt_term::paste (const unsigned char *data, unsigned int len) 2710rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2382{ 2711{
2383 unsigned int i, j, n;
2384 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2385
2386#if 0
2387 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2388 ZERO_SCROLLBACK (r);
2389#endif
2390
2391 /* convert normal newline chars into common keyboard Return key sequence */ 2712 /* convert normal newline chars into common keyboard Return key sequence */
2392 for (i = 0; i < len; i += PROP_SIZE) 2713 for (unsigned int i = 0; i < len; i++)
2393 { 2714 if (data[i] == C0_LF)
2394 n = min (len - i, PROP_SIZE); 2715 data[i] = C0_CR;
2395 MEMCPY (ds, data + i, n);
2396 2716
2397 for (j = 0; j < n; j++) 2717 if (priv_modes & PrivMode_BracketPaste)
2398 if (ds[j] == '\n') 2718 tt_printf ("\e[200~");
2399 ds[j] = '\r';
2400 2719
2401 tt_write (ds, (int)n); 2720 tt_write (data, len);
2402 }
2403 2721
2404 free(ds); 2722 if (priv_modes & PrivMode_BracketPaste)
2723 tt_printf ("\e[201~");
2405} 2724}
2406 2725
2407/* ------------------------------------------------------------------------- */ 2726void
2408/* 2727rxvt_term::paste (char *data, unsigned int len) NOTHROW
2409 * Respond to a notification that a primary selection has been sent
2410 * EXT: SelectionNotify
2411 */
2412int
2413rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2414{ 2728{
2415 long nread = 0; 2729 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2416 unsigned long bytes_after;
2417 XTextProperty ct;
2418
2419 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2420
2421 if (prop == None) /* check for failed XConvertSelection */
2422 {
2423 if ((selection_type & Sel_CompoundText))
2424 {
2425 int selnum = selection_type & Sel_whereMask;
2426
2427 selection_type = 0;
2428 if (selnum != Sel_direct)
2429 selection_request_other (XA_STRING, selnum);
2430 }
2431
2432 if ((selection_type & Sel_UTF8String))
2433 {
2434 int selnum = selection_type & Sel_whereMask;
2435
2436 selection_type = Sel_CompoundText;
2437 if (selnum != Sel_direct)
2438 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2439 else
2440 selection_type = 0;
2441 }
2442
2443 return 0; 2730 return;
2444 }
2445 2731
2446 for (;;) 2732 tt_paste (data, len);
2447 {
2448 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2449 (long)(PROP_SIZE / 4), delete_prop,
2450 AnyPropertyType, &ct.encoding, &ct.format,
2451 &ct.nitems, &bytes_after,
2452 &ct.value) != Success)
2453 break;
2454
2455 if (ct.encoding == 0)
2456 {
2457 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2458 break;
2459 }
2460
2461 if (ct.value == NULL)
2462 {
2463 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2464 continue;
2465 }
2466
2467 if (ct.nitems == 0)
2468 {
2469 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2470 if (selection_wait == Sel_normal && nread == 0)
2471 {
2472 /*
2473 * pass through again trying CUT_BUFFER0 if we've come from
2474 * XConvertSelection() but nothing was presented
2475 */
2476 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2477 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2478 }
2479
2480 nread = -1; /* discount any previous stuff */
2481 break;
2482 }
2483
2484 nread += ct.nitems;
2485
2486 char **cl;
2487 int cr;
2488 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2489 &cr) >= 0 && cl)
2490 {
2491 for (int i = 0; i < cr; i++)
2492 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2493
2494 XFreeStringList (cl);
2495 }
2496 else
2497 paste (ct.value, ct.nitems);
2498
2499 if (bytes_after == 0)
2500 break;
2501
2502 XFree (ct.value);
2503 }
2504
2505 if (ct.value)
2506 XFree (ct.value);
2507
2508 if (selection_wait == Sel_normal)
2509 selection_wait = Sel_none;
2510
2511 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2512 return (int)nread;
2513} 2733}
2514 2734
2515void
2516rxvt_term::incr_cb (time_watcher &w)
2517{
2518 selection_wait = Sel_none;
2519
2520 rxvt_print_error ("data loss: timeout on INCR selection paste");
2521}
2522
2523/*
2524 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2525 */
2526void
2527rxvt_term::selection_property (Window win, Atom prop)
2528{
2529 int reget_time = 0;
2530
2531 if (prop == None)
2532 return;
2533 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2534 if (selection_wait == Sel_normal) {
2535 int a, afmt;
2536 Atom atype;
2537 unsigned long bytes_after, nitems;
2538 unsigned char *s = NULL;
2539
2540 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2541 xa[XA_INCR], &atype, &afmt, &nitems,
2542 &bytes_after, &s);
2543 if (s)
2544 XFree(s);
2545 if (a != Success)
2546 return;
2547#ifndef __CYGWIN32__
2548 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2549 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2550 XDeleteProperty(Xdisplay, win, prop);
2551 XFlush(Xdisplay);
2552 reget_time = 1;
2553 selection_wait = Sel_incr;
2554 }
2555#endif
2556 } else if (selection_wait == Sel_incr) {
2557 reget_time = 1;
2558 if (selection_paste (win, prop, True) == -1) {
2559 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2560 selection_wait = Sel_none;
2561 incr_ev.stop ();
2562 }
2563 }
2564 if (reget_time) /* received more data so reget time */
2565 incr_ev.start (NOW + 10);
2566}
2567/* ------------------------------------------------------------------------- */ 2735/* ------------------------------------------------------------------------- */
2568/* 2736/*
2569 * Request the current selection: 2737 * Request the current selection:
2570 * Order: > internal selection if available 2738 * Order: > internal selection if available
2571 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2739 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2572 * > CUT_BUFFER0 2740 * > CUT_BUFFER0
2573 * (+) if ownership is claimed but property is empty, rxvt_selection_paste() 2741 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2574 * will auto fallback to CUT_BUFFER0 2742 * will auto fallback to CUT_BUFFER0
2575 * EXT: button 2 release 2743 * EXT: button 2 release
2576 */ 2744 */
2745
2746static void
2747selection_cb (char *data, unsigned int len, rxvt_selection *rs, void *ptr)
2748{
2749 rxvt_term *term = (rxvt_term *)ptr;
2750
2751 if (data)
2752 term->paste (data, len);
2753 delete rs;
2754 term->selection_req = 0;
2755}
2756
2577void 2757void
2578rxvt_term::selection_request (Time tm, int x, int y) 2758rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2579{ 2759{
2580 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2760 if (selection.text && selnum == Sel_Primary)
2581 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height) 2761 {
2582 return; /* outside window */ 2762 /* internal selection */
2583
2584 if (selection.text != NULL) { /* internal selection */
2585 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2586 paste (selection.text, selection.len); 2763 char *str = rxvt_wcstombs (selection.text, selection.len);
2764 paste (str, strlen (str));
2765 free (str);
2587 return; 2766 return;
2588 } else { 2767 }
2589 int i; 2768 else if (!selection_req)
2590
2591 selection_request_time = tm;
2592 selection_wait = Sel_normal;
2593 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2594#if X_HAVE_UTF8_STRING
2595 selection_type = Sel_UTF8String;
2596 if (selection_request_other (xa[XA_UTF8_STRING], i))
2597 return;
2598#else
2599 selection_type = Sel_CompoundText;
2600 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2601 return;
2602#endif
2603 }
2604 } 2769 {
2605 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2770 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], selection_cb, this);
2606 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2771 selection_req->run ();
2607 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2608}
2609
2610int
2611rxvt_term::selection_request_other (Atom target, int selnum)
2612{
2613 Atom sel;
2614#ifdef DEBUG_SELECT
2615 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2616#endif
2617
2618 selection_type |= selnum;
2619 if (selnum == Sel_Primary)
2620 sel = XA_PRIMARY;
2621 else if (selnum == Sel_Secondary)
2622 sel = XA_SECONDARY;
2623 else
2624 sel = xa[XA_CLIPBOARD];
2625 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2626 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2627 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2628 TermWin.vt, selection_request_time);
2629 return 1;
2630 } 2772 }
2631 return 0;
2632} 2773}
2633 2774
2634/* ------------------------------------------------------------------------- */ 2775/* ------------------------------------------------------------------------- */
2635/* 2776/*
2636 * Clear all selected text 2777 * Clear all selected text
2637 * EXT: SelectionClear 2778 * EXT: SelectionClear
2638 */ 2779 */
2639void 2780void
2640rxvt_term::selection_clear () 2781rxvt_term::selection_clear (bool clipboard) NOTHROW
2641{ 2782{
2642 D_SELECT((stderr, "rxvt_selection_clear()")); 2783 if (!clipboard)
2643 2784 {
2644 want_refresh = 1; 2785 want_refresh = 1;
2645 if (selection.text)
2646 free(selection.text); 2786 free (selection.text);
2647 selection.text = NULL; 2787 selection.text = NULL;
2648 selection.len = 0; 2788 selection.len = 0;
2649 CLEAR_SELECTION(); 2789 CLEAR_SELECTION ();
2790
2791 if (display->selection_owner == this)
2792 display->selection_owner = 0;
2793 }
2794 else
2795 {
2796 free (selection.clip_text);
2797 selection.clip_text = NULL;
2798 selection.clip_len = 0;
2799
2800 if (display->clipboard_owner == this)
2801 display->clipboard_owner = 0;
2802 }
2650} 2803}
2651 2804
2652/* ------------------------------------------------------------------------- */ 2805/* ------------------------------------------------------------------------- */
2653/* 2806/*
2654 * Copy a selection into the cut buffer 2807 * Copy a selection into the cut buffer
2655 * EXT: button 1 or 3 release 2808 * EXT: button 1 or 3 release
2656 */ 2809 */
2657void 2810void
2658rxvt_term::selection_make (Time tm) 2811rxvt_term::selection_make (Time tm)
2659{ 2812{
2660 int i, col, end_col, row, end_row; 2813 int size;
2661 unsigned char *new_selection_text; 2814 wchar_t *new_selection_text;
2662 char *str; 2815 text_t *t;
2663 text_t *t;
2664#ifdef ACS_ASCII
2665 rend_t *re;
2666#endif
2667 2816
2668 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2669 switch (selection.op) { 2817 switch (selection.op)
2818 {
2670 case SELECTION_CONT: 2819 case SELECTION_CONT:
2671 break; 2820 break;
2672 case SELECTION_INIT: 2821 case SELECTION_INIT:
2673 CLEAR_SELECTION(); 2822 CLEAR_SELECTION ();
2674 /* FALLTHROUGH */ 2823 /* FALLTHROUGH */
2675 case SELECTION_BEGIN: 2824 case SELECTION_BEGIN:
2676 selection.op = SELECTION_DONE; 2825 selection.op = SELECTION_DONE;
2677 /* FALLTHROUGH */ 2826 /* FALLTHROUGH */
2678 default: 2827 default:
2679 return; 2828 return;
2680 } 2829 }
2830
2681 selection.op = SELECTION_DONE; 2831 selection.op = SELECTION_DONE;
2682 2832
2683 if (selection.clicks == 4) 2833 if (selection.clicks == 4)
2684 return; /* nothing selected, go away */ 2834 return; /* nothing selected, go away */
2685 2835
2836 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2837 return;
2838
2686 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2839 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2687 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2840 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2688 2841
2689 new_selection_text = (unsigned char *)str; 2842 int ofs = 0;
2843 int extra = 0;
2690 2844
2691 col = selection.beg.col; 2845 int col = selection.beg.col;
2692 MAX_IT(col, 0); 2846 int row = selection.beg.row;
2693 row = selection.beg.row + TermWin.saveLines;
2694 end_row = selection.end.row + TermWin.saveLines;
2695 2847
2848 int end_col;
2849
2696 for (; row <= end_row; row++, col = 0) 2850 for (; row <= selection.end.row; row++, col = 0)
2851 {
2852#if !ENABLE_MINIMAL
2853 if (selection.rect)
2697 { 2854 {
2698 t = &(screen.text[row][col]); 2855 col = selection.beg.col;
2699
2700 end_col = screen.tlen[row];
2701
2702 if (end_col == -1)
2703 end_col = TermWin.ncol; 2856 end_col = selection.end.col;
2857 }
2858 else
2859#endif
2860 end_col = ROW(row).l;
2704 2861
2862 col = max (col, 0);
2863
2705 if (row == end_row) 2864 if (row == selection.end.row)
2706 MIN_IT (end_col, selection.end.col); 2865 min_it (end_col, selection.end.col);
2707 2866
2867 t = ROW(row).t + col;
2868
2708 for (; col < end_col; col++) 2869 for (; col < end_col; col++)
2870 {
2709 if (*t == NOCHAR) 2871 if (*t == NOCHAR)
2710 t++; 2872 t++;
2873#if ENABLE_COMBINING
2874 else if (IS_COMPOSE (*t))
2875 {
2876 int len = rxvt_composite.expand (*t, 0);
2877
2878 extra -= (len - 1);
2879
2880 if (extra < 0)
2881 {
2882 extra += size;
2883 size += size;
2884 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2885 }
2886
2887 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2888 }
2889#endif
2711 else 2890 else
2712 { 2891 new_selection_text[ofs++] = *t++;
2713 int len = wctomb (str, *t++);
2714 if (len > 0)
2715 str += len;
2716 }
2717
2718 if (screen.tlen[row] != -1 && row != end_row)
2719 *str++ = '\n';
2720 }
2721
2722#ifndef NO_OLD_SELECTION
2723 if (selection_style == OLD_SELECT)
2724 if (end_col == TermWin.ncol)
2725 *str++ = '\n';
2726#endif
2727#ifndef NO_NEW_SELECTION
2728 if (selection_style != OLD_SELECT)
2729 if (end_col != selection.end.col)
2730 *str++ = '\n';
2731#endif
2732 *str = '\0';
2733
2734 i = str - (char *)new_selection_text;
2735 if (i == 0)
2736 {
2737 free (new_selection_text);
2738 return;
2739 }
2740
2741 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2742 if (str - (char *)new_selection_text > 1024)
2743 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2744
2745 selection.len = i;
2746
2747 if (selection.text)
2748 free (selection.text);
2749
2750 selection.text = new_selection_text;
2751
2752 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2753 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2754 rxvt_print_error("can't get primary selection");
2755
2756
2757 {
2758 XTextProperty ct;
2759 char *cl = (char *)selection.text;
2760
2761 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2762 { 2892 }
2763 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2893
2764 PropModeReplace, ct.value, ct.nitems); 2894#if !ENABLE_MINIMAL
2765 XFree (ct.value); 2895 if (selection.rect)
2896 {
2897 while (ofs
2898 && new_selection_text[ofs - 1] != C0_LF
2899 && unicode::is_space (new_selection_text[ofs - 1]))
2900 --ofs;
2901
2902 new_selection_text[ofs++] = C0_LF;
2766 } 2903 }
2767 else 2904 else
2768 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2905#endif
2769 PropModeReplace, selection.text, (int)selection.len); 2906 if (!ROW(row).is_longer ()
2907 && (row != selection.end.row || end_col != selection.end.col)
2908 && (row != selection.beg.row || selection.beg.col < ncol))
2909 new_selection_text[ofs++] = C0_LF;
2910 }
2911
2912 new_selection_text[ofs] = 0;
2913
2914 if (ofs == 0)
2770 } 2915 {
2916 free (new_selection_text);
2917 return;
2918 }
2771 2919
2920 free (selection.text);
2921
2922 // we usually allocate much more than necessary, so realloc it smaller again
2923 selection.len = ofs;
2924 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2925
2926 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2927 return;
2928
2929 selection_grab (tm);
2930}
2931
2932bool
2933rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2934{
2935 Atom sel;
2936
2937 if (!clipboard)
2938 {
2772 selection_time = tm; 2939 selection_time = tm;
2773 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2940 sel = XA_PRIMARY;
2941 }
2942 else
2943 {
2944 clipboard_time = tm;
2945 sel = xa[XA_CLIPBOARD];
2946 }
2947
2948 XSetSelectionOwner (dpy, sel, vt, tm);
2949 if (XGetSelectionOwner (dpy, sel) == vt)
2950 {
2951 display->set_selection_owner (this, clipboard);
2952 return true;
2953 }
2954 else
2955 {
2956 selection_clear (clipboard);
2957 return false;
2958 }
2959
2960#if 0
2961 XTextProperty ct;
2962
2963 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2964 {
2965 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2966 XFree (ct.value);
2967 }
2968#endif
2774} 2969}
2775 2970
2776/* ------------------------------------------------------------------------- */ 2971/* ------------------------------------------------------------------------- */
2777/* 2972/*
2778 * Mark or select text based upon number of clicks: 1, 2, or 3 2973 * Mark or select text based upon number of clicks: 1, 2, or 3
2779 * EXT: button 1 press 2974 * EXT: button 1 press
2780 */ 2975 */
2781void 2976void
2782rxvt_term::selection_click (int clicks, int x, int y) 2977rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2783{ 2978{
2784 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2785
2786 clicks = ((clicks - 1) % 3) + 1; 2979 clicks = ((clicks - 1) % 3) + 1;
2787 selection.clicks = clicks; /* save clicks so extend will work */ 2980 selection.clicks = clicks; /* save clicks so extend will work */
2788 2981
2982 if (clicks == 2 && !selection.rect
2983 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2984 {
2985 MEvent.clicks = 1; // what a mess
2986 selection.screen = current_screen;
2987 selection.op = SELECTION_CONT;
2988 return;
2989 }
2990
2789 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2991 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2790 2992
2791 if (clicks == 2 || clicks == 3) 2993 if (clicks == 2 || clicks == 3)
2792 selection_extend_colrow (selection.mark.col, 2994 selection_extend_colrow (selection.mark.col,
2793 selection.mark.row + TermWin.view_start, 2995 selection.mark.row - view_start,
2794 0, /* button 3 */ 2996 0, /* button 3 */
2795 1, /* button press */ 2997 1, /* button press */
2796 0); /* click change */ 2998 0); /* click change */
2797} 2999}
2798 3000
2799/* ------------------------------------------------------------------------- */ 3001/* ------------------------------------------------------------------------- */
2800/* 3002/*
2801 * Mark a selection at the specified col/row 3003 * Mark a selection at the specified col/row
2802 */ 3004 */
2803void 3005void
2804rxvt_term::selection_start_colrow (int col, int row) 3006rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2805{ 3007{
2806 want_refresh = 1; 3008 want_refresh = 1;
3009
3010 selection.mark.row = row + view_start;
2807 selection.mark.col = col; 3011 selection.mark.col = col;
2808 selection.mark.row = row - TermWin.view_start; 3012
2809 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 3013 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2810 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 3014 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3015
3016 while (selection.mark.col > 0
3017 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2811 MAX_IT(selection.mark.col, 0); 3018 --selection.mark.col;
2812 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2813 3019
2814 if (selection.op) { /* clear the old selection */ 3020 if (selection.op)
3021 {
3022 /* clear the old selection */
2815 selection.beg.row = selection.end.row = selection.mark.row; 3023 selection.beg.row = selection.end.row = selection.mark.row;
2816 selection.beg.col = selection.end.col = selection.mark.col; 3024 selection.beg.col = selection.end.col = selection.mark.col;
2817 } 3025 }
3026
2818 selection.op = SELECTION_INIT; 3027 selection.op = SELECTION_INIT;
2819 selection.screen = current_screen; 3028 selection.screen = current_screen;
2820} 3029}
2821 3030
2822/* ------------------------------------------------------------------------- */ 3031/* ------------------------------------------------------------------------- */
2823/* 3032/*
2824 * Word select: select text for 2 clicks 3033 * Word select: select text for 2 clicks
2825 * We now only find out the boundary in one direction 3034 * We now only find out the boundary in one direction
2826 */ 3035 */
2827 3036
2828/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3037/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2829#define DELIMIT_TEXT(x) \ 3038#define DELIMIT_TEXT(x) \
2830 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3039 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2831#define DELIMIT_REND(x) 1 3040#define DELIMIT_REND(x) 1
2832 3041
2833void 3042void
2834rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3043rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2835{ 3044{
2836 int col, row, dirnadd, tcol, trow, w1, w2; 3045 int col, row, dirnadd, tcol, trow, w1, w2;
2837 row_col_t bound; 3046 row_col_t bound;
2838 text_t *stp; 3047 text_t *stp;
2839 rend_t *srp; 3048 rend_t *srp;
2840 3049
2841 if (dirn == UP) { 3050 if (dirn == UP)
2842 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3051 {
3052 bound.row = top_row - 1;
2843 bound.col = 0; 3053 bound.col = 0;
2844 dirnadd = -1; 3054 dirnadd = -1;
2845 } else { 3055 }
2846 bound.row = TermWin.saveLines + TermWin.nrow; 3056 else
3057 {
3058 bound.row = nrow;
2847 bound.col = TermWin.ncol - 1; 3059 bound.col = ncol - 1;
2848 dirnadd = 1; 3060 dirnadd = 1;
2849 } 3061 }
2850 row = mark->row + TermWin.saveLines; 3062
3063 row = mark->row;
2851 col = mark->col; 3064 col = max (mark->col, 0);
2852 MAX_IT(col, 0); 3065
2853/* find the edge of a word */ 3066 /* find the edge of a word */
2854 stp = &(screen.text[row][col]); 3067 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2855 w1 = DELIMIT_TEXT(*stp); 3068 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2856 3069
2857 if (selection_style != NEW_SELECT) { 3070 for (;;)
2858 if (w1 == 1) { 3071 {
3072 for (; col != bound.col; col += dirnadd)
3073 {
2859 stp += dirnadd; 3074 stp += dirnadd;
2860 if (DELIMIT_TEXT(*stp) == 1)
2861 goto Old_Word_Selection_You_Die;
2862 col += dirnadd;
2863 }
2864 w1 = 0;
2865 }
2866 srp = (&screen.rend[row][col]);
2867 w2 = DELIMIT_REND(*srp);
2868
2869 for (;;) {
2870 for (; col != bound.col; col += dirnadd) {
2871 stp += dirnadd; 3075 srp += dirnadd;
3076
3077 if (*stp == NOCHAR)
3078 continue;
3079
2872 if (DELIMIT_TEXT(*stp) != w1) 3080 if (DELIMIT_TEXT (*stp) != w1)
3081 break;
3082 if (DELIMIT_REND (*srp) != w2)
3083 break;
3084 }
3085
3086 if ((col == bound.col) && (row != bound.row))
3087 {
3088 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3089 {
3090 trow = row + dirnadd;
3091 tcol = dirn == UP ? ncol - 1 : 0;
3092
3093 if (!ROW(trow).t)
2873 break; 3094 break;
2874 srp += dirnadd; 3095
2875 if (DELIMIT_REND(*srp) != w2) 3096 stp = ROW(trow).t + tcol;
3097 srp = ROW(trow).r + tcol;
3098
3099 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2876 break; 3100 break;
2877 } 3101
2878 if ((col == bound.col) && (row != bound.row)) {
2879 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2880 trow = row + dirnadd;
2881 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2882 if (screen.text[trow] == NULL)
2883 break;
2884 stp = &(screen.text[trow][tcol]);
2885 srp = &(screen.rend[trow][tcol]);
2886 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2887 break;
2888 row = trow; 3102 row = trow;
2889 col = tcol; 3103 col = tcol;
2890 continue; 3104 continue;
2891 } 3105 }
2892 } 3106 }
2893 break; 3107 break;
2894 } 3108 }
2895 Old_Word_Selection_You_Die:
2896 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2897 3109
2898 if (dirn == DN) 3110 if (dirn == DN)
2899 col++; /* put us on one past the end */ 3111 col++; /* put us on one past the end */
2900 3112
2901/* Poke the values back in */ 3113 /* Poke the values back in */
2902 ret->row = row - TermWin.saveLines; 3114 ret->row = row;
2903 ret->col = col; 3115 ret->col = col;
2904} 3116}
2905 3117
2906/* ------------------------------------------------------------------------- */ 3118/* ------------------------------------------------------------------------- */
2907/* 3119/*
2908 * Extend the selection to the specified x/y pixel location 3120 * Extend the selection to the specified x/y pixel location
… …
2910 * flag == 0 ==> button 1 3122 * flag == 0 ==> button 1
2911 * flag == 1 ==> button 3 press 3123 * flag == 1 ==> button 3 press
2912 * flag == 2 ==> button 3 motion 3124 * flag == 2 ==> button 3 motion
2913 */ 3125 */
2914void 3126void
2915rxvt_term::selection_extend (int x, int y, int flag) 3127rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2916{ 3128{
2917 int col, row; 3129 int col = clamp (Pixel2Col (x), 0, ncol);
3130 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2918 3131
2919 col = Pixel2Col(x);
2920 row = Pixel2Row(y);
2921 MAX_IT(row, 0);
2922 MIN_IT(row, (int)TermWin.nrow - 1);
2923 MAX_IT(col, 0);
2924 MIN_IT(col, (int)TermWin.ncol);
2925
2926#ifndef NO_NEW_SELECTION
2927 /* 3132 /*
2928 * If we're selecting characters (single click) then we must check first 3133 * If we're selecting characters (single click) then we must check first
2929 * if we are at the same place as the original mark. If we are then 3134 * if we are at the same place as the original mark. If we are then
2930 * select nothing. Otherwise, if we're to the right of the mark, you have to 3135 * select nothing. Otherwise, if we're to the right of the mark, you have to
2931 * be _past_ a character for it to be selected. 3136 * be _past_ a character for it to be selected.
2932 */ 3137 */
2933 if (selection_style != OLD_SELECT)
2934 {
2935 if (((selection.clicks % 3) == 1) && !flag 3138 if (((selection.clicks % 3) == 1) && !flag
2936 && (col == selection.mark.col 3139 && (col == selection.mark.col
2937 && (row == selection.mark.row + TermWin.view_start))) 3140 && (row == selection.mark.row - view_start)))
2938 { 3141 {
2939 /* select nothing */ 3142 /* select nothing */
2940 selection.beg.row = selection.end.row = 0; 3143 selection.beg.row = selection.end.row = 0;
2941 selection.beg.col = selection.end.col = 0; 3144 selection.beg.col = selection.end.col = 0;
2942 selection.clicks = 4; 3145 selection.clicks = 4;
2943 want_refresh = 1; 3146 want_refresh = 1;
2944 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2945 return; 3147 return;
2946 }
2947 } 3148 }
2948#endif 3149
2949 if (selection.clicks == 4) 3150 if (selection.clicks == 4)
2950 selection.clicks = 1; 3151 selection.clicks = 1;
2951 3152
2952 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3153 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2953 flag == 1 ? 1 : 0, /* ? button press */ 3154 flag == 1 ? 1 : 0, /* ? button press */
2954 0); /* no click change */ 3155 0); /* no click change */
2955} 3156}
2956 3157
2957/* ------------------------------------------------------------------------- */ 3158/* ------------------------------------------------------------------------- */
2958/* 3159/*
2959 * Extend the selection to the specified col/row 3160 * Extend the selection to the specified col/row
2960 */ 3161 */
2961void 3162void
2962rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3163rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2963{ 3164{
2964 int16_t ncol = TermWin.ncol;
2965 int end_col;
2966 row_col_t pos; 3165 row_col_t pos;
2967 enum { 3166 enum {
2968 LEFT, RIGHT 3167 LEFT, RIGHT
2969 } closeto = RIGHT; 3168 } closeto = RIGHT;
2970 3169
2971 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
2972 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2973
2974 want_refresh = 1; 3170 want_refresh = 1;
3171
2975 switch (selection.op) { 3172 switch (selection.op)
3173 {
2976 case SELECTION_INIT: 3174 case SELECTION_INIT:
2977 CLEAR_SELECTION(); 3175 CLEAR_SELECTION ();
2978 selection.op = SELECTION_BEGIN; 3176 selection.op = SELECTION_BEGIN;
2979 /* FALLTHROUGH */ 3177 /* FALLTHROUGH */
2980 case SELECTION_BEGIN: 3178 case SELECTION_BEGIN:
2981 if (row != selection.mark.row || col != selection.mark.col 3179 if (row != selection.mark.row || col != selection.mark.col
2982 || (!button3 && buttonpress)) 3180 || (!button3 && buttonpress))
2983 selection.op = SELECTION_CONT; 3181 selection.op = SELECTION_CONT;
2984 break; 3182 break;
2985 case SELECTION_DONE: 3183 case SELECTION_DONE:
2986 selection.op = SELECTION_CONT; 3184 selection.op = SELECTION_CONT;
2987 /* FALLTHROUGH */ 3185 /* FALLTHROUGH */
2988 case SELECTION_CONT: 3186 case SELECTION_CONT:
2989 break; 3187 break;
2990 case SELECTION_CLEAR: 3188 case SELECTION_CLEAR:
2991 selection_start_colrow (col, row); 3189 selection_start_colrow (col, row);
2992 /* FALLTHROUGH */ 3190 /* FALLTHROUGH */
2993 default: 3191 default:
2994 return; 3192 return;
2995 } 3193 }
3194
2996 if (selection.beg.col == selection.end.col 3195 if (selection.beg.col == selection.end.col
2997 && selection.beg.col != selection.mark.col 3196 && selection.beg.col != selection.mark.col
2998 && selection.beg.row == selection.end.row 3197 && selection.beg.row == selection.end.row
2999 && selection.beg.row != selection.mark.row) { 3198 && selection.beg.row != selection.mark.row)
3199 {
3000 selection.beg.col = selection.end.col = selection.mark.col; 3200 selection.beg.col = selection.end.col = selection.mark.col;
3001 selection.beg.row = selection.end.row = selection.mark.row; 3201 selection.beg.row = selection.end.row = selection.mark.row;
3002 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3003 } 3202 }
3004 3203
3005 pos.col = col; 3204 pos.col = col;
3006 pos.row = row; 3205 pos.row = view_start + row;
3007 3206
3008 pos.row -= TermWin.view_start; /* adjust for scroll */ 3207 /*
3009 3208 * This is mainly xterm style selection with a couple of differences, mainly
3010#ifndef NO_OLD_SELECTION 3209 * in the way button3 drag extension works.
3011/* 3210 * We're either doing: button1 drag; button3 press; or button3 drag
3012 * This mimics some of the selection behaviour of version 2.20 and before. 3211 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3013 * There are no ``selection modes'', button3 is always character extension. 3212 * is always at the left/right edge of the selection.
3014 * Note: button3 drag is always available, c.f. v2.20 3213 * b) button3 press: extend/contract character/word/line at whichever edge of
3015 * Selection always terminates (left or right as appropriate) at the mark. 3214 * the selection we are closest to.
3215 * c) button3 drag : extend/contract character/word/line - we select around
3216 * a point/word/line which is either the start or end of the selection
3217 * and it was decided by whichever point/word/line was `fixed' at the
3218 * time of the most recent button3 press
3016 */ 3219 */
3017 if (selection_style == OLD_SELECT) { 3220 if (button3 && buttonpress)
3018 if (selection.clicks == 1 || button3) { 3221 {
3019 if (hate_those_clicks) { 3222 /* button3 press */
3020 hate_those_clicks = 0; 3223 /*
3021 if (selection.clicks == 1) { 3224 * first determine which edge of the selection we are closest to
3022 selection.beg.row = selection.mark.row; 3225 */
3023 selection.beg.col = selection.mark.col; 3226 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3024 } else { 3227 || (!ROWCOL_IS_AFTER (pos, selection.end)
3228 && (((pos.col - selection.beg.col)
3229 + ((pos.row - selection.beg.row) * ncol))
3230 < ((selection.end.col - pos.col)
3231 + ((selection.end.row - pos.row) * ncol)))))
3232 closeto = LEFT;
3233
3234 if (closeto == LEFT)
3235 {
3236 selection.beg.row = pos.row;
3237 selection.beg.col = pos.col;
3238 selection.mark.row = selection.end.row;
3239 selection.mark.col = selection.end.col - (selection.clicks == 2);
3240 }
3241 else
3242 {
3243 selection.end.row = pos.row;
3244 selection.end.col = pos.col;
3025 selection.mark.row = selection.beg.row; 3245 selection.mark.row = selection.beg.row;
3026 selection.mark.col = selection.beg.col; 3246 selection.mark.col = selection.beg.col;
3247 }
3248 }
3249 else
3250 {
3251 /* button1 drag or button3 drag */
3252 if (ROWCOL_IS_AFTER (selection.mark, pos))
3253 {
3254 if (selection.mark.row == selection.end.row
3255 && selection.mark.col == selection.end.col
3256 && clickchange
3257 && selection.clicks == 2)
3258 selection.mark.col--;
3259
3260 selection.beg.row = pos.row;
3261 selection.beg.col = pos.col;
3262 selection.end.row = selection.mark.row;
3263 selection.end.col = selection.mark.col + (selection.clicks == 2);
3264 }
3265 else
3266 {
3267 selection.beg.row = selection.mark.row;
3268 selection.beg.col = selection.mark.col;
3269 selection.end.row = pos.row;
3270 selection.end.col = pos.col;
3271 }
3272 }
3273
3274 if (selection.clicks == 1)
3275 {
3276 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3277 && !ROW(selection.beg.row).is_longer ()
3278#if !ENABLE_MINIMAL
3279 && !selection.rect
3280#endif
3281 )
3282 selection.beg.col = ncol;
3283
3284 if (
3285 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3286 && !ROW(selection.end.row).is_longer ()
3287#if !ENABLE_MINIMAL
3288 && !selection.rect
3289#endif
3290 )
3291 selection.end.col = ncol;
3292 }
3293 else if (selection.clicks == 2)
3294 {
3295 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3296 selection.end.col--;
3297
3298 selection_delimit_word (UP, &selection.beg, &selection.beg);
3299 selection_delimit_word (DN, &selection.end, &selection.end);
3300 }
3301 else if (selection.clicks == 3)
3302 {
3303#if ENABLE_FRILLS
3304 if (option (Opt_tripleclickwords))
3305 {
3306 selection_delimit_word (UP, &selection.beg, &selection.beg);
3307
3308 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3309 {
3310 if (!ROW(end_row).is_longer ())
3311 {
3312 selection.end.row = end_row;
3313 selection.end.col = ROW(end_row).l;
3314# if !ENABLE_MINIMAL
3315 selection_remove_trailing_spaces ();
3316# endif
3317 break;
3027 } 3318 }
3028 } 3319 }
3029 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3030 selection.end.row = selection.mark.row;
3031 selection.end.col = selection.mark.col + 1;
3032 selection.beg.row = pos.row;
3033 selection.beg.col = pos.col;
3034 } else {
3035 selection.beg.row = selection.mark.row;
3036 selection.beg.col = selection.mark.col;
3037 selection.end.row = pos.row;
3038 selection.end.col = pos.col + 1;
3039 } 3320 }
3040 } else if (selection.clicks == 2) { 3321 else
3041 selection_delimit_word (UP, &(selection.mark), 3322#endif
3042 &(selection.beg)); 3323 {
3043 selection_delimit_word (DN, &(selection.mark), 3324 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3044 &(selection.end)); 3325 selection.mark.col++;
3045 hate_those_clicks = 1; 3326
3046 } else if (selection.clicks == 3) {
3047 selection.beg.row = selection.end.row = selection.mark.row;
3048 selection.beg.col = 0; 3327 selection.beg.col = 0;
3049 selection.end.col = ncol; 3328 selection.end.col = ncol;
3050 hate_those_clicks = 1; 3329
3051 } 3330 // select a complete logical line
3052 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); 3331 while (selection.beg.row > -saveLines
3053 return; 3332 && ROW(selection.beg.row - 1).is_longer ())
3054 } 3333 selection.beg.row--;
3055#endif /* ! NO_OLD_SELECTION */ 3334
3056#ifndef NO_NEW_SELECTION 3335 while (selection.end.row < nrow
3057/* selection_style must not be OLD_SELECT to get here */ 3336 && ROW(selection.end.row).is_longer ())
3058/* 3337 selection.end.row++;
3059 * This is mainly xterm style selection with a couple of differences, mainly
3060 * in the way button3 drag extension works.
3061 * We're either doing: button1 drag; button3 press; or button3 drag
3062 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3063 * is always at the left/right edge of the selection.
3064 * b) button3 press: extend/contract character/word/line at whichever edge of
3065 * the selection we are closest to.
3066 * c) button3 drag : extend/contract character/word/line - we select around
3067 * a point/word/line which is either the start or end of the selection
3068 * and it was decided by whichever point/word/line was `fixed' at the
3069 * time of the most recent button3 press
3070 */
3071 if (button3 && buttonpress) { /* button3 press */
3072 /* 3338 }
3073 * first determine which edge of the selection we are closest to 3339 }
3074 */ 3340
3075 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3341 if (button3 && buttonpress)
3076 || (!ROWCOL_IS_AFTER(pos, selection.end) 3342 {
3077 && (((pos.col - selection.beg.col) 3343 /* mark may need to be changed */
3078 + ((pos.row - selection.beg.row) * ncol))
3079 < ((selection.end.col - pos.col)
3080 + ((selection.end.row - pos.row) * ncol)))))
3081 closeto = LEFT;
3082 if (closeto == LEFT) { 3344 if (closeto == LEFT)
3083 selection.beg.row = pos.row; 3345 {
3084 selection.beg.col = pos.col;
3085 selection.mark.row = selection.end.row; 3346 selection.mark.row = selection.end.row;
3086 selection.mark.col = selection.end.col 3347 selection.mark.col = selection.end.col - (selection.clicks == 2);
3087 - (selection.clicks == 2); 3348 }
3088 } else { 3349 else
3089 selection.end.row = pos.row; 3350 {
3090 selection.end.col = pos.col;
3091 selection.mark.row = selection.beg.row; 3351 selection.mark.row = selection.beg.row;
3092 selection.mark.col = selection.beg.col; 3352 selection.mark.col = selection.beg.col;
3093 }
3094 } else { /* button1 drag or button3 drag */
3095 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3096 if ((selection.mark.row == selection.end.row)
3097 && (selection.mark.col == selection.end.col)
3098 && clickchange && selection.clicks == 2)
3099 selection.mark.col--;
3100 selection.beg.row = pos.row;
3101 selection.beg.col = pos.col;
3102 selection.end.row = selection.mark.row;
3103 selection.end.col = selection.mark.col
3104 + (selection.clicks == 2);
3105 } else {
3106 selection.beg.row = selection.mark.row;
3107 selection.beg.col = selection.mark.col;
3108 selection.end.row = pos.row;
3109 selection.end.col = pos.col;
3110 }
3111 }
3112
3113 if (selection.clicks == 1) {
3114 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3115 if (end_col != -1 && selection.beg.col > end_col) {
3116#if 1
3117 selection.beg.col = ncol;
3118#else
3119 if (selection.beg.row != selection.end.row)
3120 selection.beg.col = ncol;
3121 else
3122 selection.beg.col = selection.mark.col;
3123#endif
3124 }
3125 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3126 if (end_col != -1 && selection.end.col > end_col)
3127 selection.end.col = ncol;
3128
3129 } else if (selection.clicks == 2) {
3130 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3131 selection.end.col--;
3132 selection_delimit_word (UP, &(selection.beg),
3133 &(selection.beg));
3134 selection_delimit_word (DN, &(selection.end),
3135 &(selection.end));
3136 } else if (selection.clicks == 3) {
3137#ifndef NO_FRILLS
3138 if ((Options & Opt_tripleclickwords)) {
3139 int end_row;
3140
3141 selection_delimit_word (UP, &(selection.beg),
3142 &(selection.beg));
3143 end_row = screen.tlen[selection.mark.row
3144 + TermWin.saveLines];
3145 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3146 end_row++) {
3147 end_col = screen.tlen[end_row + TermWin.saveLines];
3148 if (end_col != -1) {
3149 selection.end.row = end_row;
3150 selection.end.col = end_col;
3151 selection_remove_trailing_spaces ();
3152 break;
3153 }
3154 }
3155 } else
3156#endif
3157 { 3353 }
3158 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3159 selection.mark.col++;
3160 selection.beg.col = 0;
3161 selection.end.col = ncol;
3162 }
3163 } 3354 }
3164 if (button3 && buttonpress) { /* mark may need to be changed */
3165 if (closeto == LEFT) {
3166 selection.mark.row = selection.end.row;
3167 selection.mark.col = selection.end.col
3168 - (selection.clicks == 2);
3169 } else {
3170 selection.mark.row = selection.beg.row;
3171 selection.mark.col = selection.beg.col;
3172 }
3173 }
3174 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3175#endif /* ! NO_NEW_SELECTION */
3176}
3177 3355
3178#ifndef NO_FRILLS 3356#if !ENABLE_MINIMAL
3357 if (selection.rect && selection.beg.col > selection.end.col)
3358 ::swap (selection.beg.col, selection.end.col);
3359#endif
3360}
3361
3362#if !ENABLE_MINIMAL
3179void 3363void
3180rxvt_term::selection_remove_trailing_spaces () 3364rxvt_term::selection_remove_trailing_spaces () NOTHROW
3181{ 3365{
3182 int32_t end_col, end_row; 3366 int32_t end_col, end_row;
3183 text_t *stp; 3367 text_t *stp;
3184 3368
3185 end_col = selection.end.col; 3369 end_col = selection.end.col;
3186 end_row = selection.end.row; 3370 end_row = selection.end.row;
3371
3187 for ( ; end_row >= selection.beg.row; ) { 3372 for (; end_row >= selection.beg.row; )
3188 stp = screen.text[end_row + TermWin.saveLines]; 3373 {
3374 stp = ROW(end_row).t;
3375
3189 while (--end_col >= 0) { 3376 while (--end_col >= 0)
3190 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3191 break;
3192 } 3377 {
3193 if (end_col >= 0 3378 if (stp[end_col] != NOCHAR
3194 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3379 && !unicode::is_space (stp[end_col]))
3195 selection.end.col = end_col + 1;
3196 selection.end.row = end_row;
3197 break; 3380 break;
3198 } 3381 }
3382
3383 if (end_col >= 0
3384 || !ROW(end_row - 1).is_longer ())
3385 {
3386 selection.end.col = end_col + 1;
3387 selection.end.row = end_row;
3388 break;
3389 }
3390
3199 end_row--; 3391 end_row--;
3200 end_col = TermWin.ncol; 3392 end_col = ncol;
3201 } 3393 }
3394
3202 if (selection.mark.row > selection.end.row) { 3395 if (selection.mark.row > selection.end.row)
3396 {
3203 selection.mark.row = selection.end.row; 3397 selection.mark.row = selection.end.row;
3204 selection.mark.col = selection.end.col; 3398 selection.mark.col = selection.end.col;
3399 }
3205 } else if (selection.mark.row == selection.end.row 3400 else if (selection.mark.row == selection.end.row
3206 && selection.mark.col > selection.end.col) 3401 && selection.mark.col > selection.end.col)
3207 selection.mark.col = selection.end.col; 3402 selection.mark.col = selection.end.col;
3208} 3403}
3209#endif 3404#endif
3210 3405
3211/* ------------------------------------------------------------------------- */ 3406/* ------------------------------------------------------------------------- */
3212/* 3407/*
3213 * Double click on button 3 when already selected 3408 * Double click on button 3 when already selected
3214 * EXT: button 3 double click 3409 * EXT: button 3 double click
3215 */ 3410 */
3216void 3411void
3217rxvt_term::selection_rotate (int x, int y) 3412rxvt_term::selection_rotate (int x, int y) NOTHROW
3218{ 3413{
3219 selection.clicks = selection.clicks % 3 + 1; 3414 selection.clicks = selection.clicks % 3 + 1;
3220 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3415 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3221} 3416}
3222
3223/* ------------------------------------------------------------------------- */
3224/*
3225 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3226 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3227 * the X11 protocol.
3228 */
3229typedef CARD32 Atom32;
3230 3417
3231/* ------------------------------------------------------------------------- */ 3418/* ------------------------------------------------------------------------- */
3232/* 3419/*
3233 * Respond to a request for our current selection 3420 * Respond to a request for our current selection
3234 * EXT: SelectionRequest 3421 * EXT: SelectionRequest
3235 */ 3422 */
3236void 3423void
3237rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3424rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3238{ 3425{
3239 XSelectionEvent ev; 3426 XSelectionEvent ev;
3240 XTextProperty ct;
3241 XICCEncodingStyle style;
3242 Atom target;
3243 3427
3244 ev.type = SelectionNotify; 3428 ev.type = SelectionNotify;
3245 ev.property = None; 3429 ev.property = None;
3246 ev.display = rq->display; 3430 ev.display = rq.display;
3247 ev.requestor = rq->requestor; 3431 ev.requestor = rq.requestor;
3248 ev.selection = rq->selection; 3432 ev.selection = rq.selection;
3249 ev.target = rq->target; 3433 ev.target = rq.target;
3250 ev.time = rq->time; 3434 ev.time = rq.time;
3251 3435
3252 if (rq->target == xa[XA_TARGETS]) { 3436 if (rq.target == xa[XA_TARGETS])
3437 {
3253 Atom32 target_list[5]; 3438 Atom target_list[6];
3254 Atom32 *target = target_list; 3439 Atom *target = target_list;
3255 3440
3256 *target++ = (Atom32) xa[XA_TARGETS]; 3441 *target++ = xa[XA_TARGETS];
3442 *target++ = xa[XA_TIMESTAMP];
3257 *target++ = (Atom32) XA_STRING; 3443 *target++ = XA_STRING;
3258 *target++ = (Atom32) xa[XA_TEXT]; 3444 *target++ = xa[XA_TEXT];
3259 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3445 *target++ = xa[XA_COMPOUND_TEXT];
3260#if X_HAVE_UTF8_STRING 3446#if X_HAVE_UTF8_STRING
3261 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3447 *target++ = xa[XA_UTF8_STRING];
3262#endif 3448#endif
3449
3263 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3450 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,
3264 (8 * sizeof(target_list[0])), PropModeReplace, 3451 32, PropModeReplace,
3265 (unsigned char *)target_list, 3452 (unsigned char *)target_list, target - target_list);
3266 target - target_list);
3267 ev.property = rq->property; 3453 ev.property = rq.property;
3454 }
3455#if TODO // TODO
3268 } else if (rq->target == xa[XA_MULTIPLE]) { 3456 else if (rq.target == xa[XA_MULTIPLE])
3457 {
3269 /* TODO: Handle MULTIPLE */ 3458 /* TODO: Handle MULTIPLE */
3270 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3459 }
3460#endif
3461 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3462 {
3271 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3463 XChangeProperty (dpy, rq.requestor, rq.property, rq.target,
3272 (8 * sizeof(Time)), PropModeReplace,
3273 (unsigned char *)&selection_time, 1); 3464 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3274 ev.property = rq->property; 3465 ev.property = rq.property;
3466 }
3467 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3468 {
3469 XChangeProperty (dpy, rq.requestor, rq.property, rq.target,
3470 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3471 ev.property = rq.property;
3472 }
3275 } else if (rq->target == XA_STRING 3473 else if (rq.target == XA_STRING
3276 || rq->target == xa[XA_TEXT] 3474 || rq.target == xa[XA_TEXT]
3277 || rq->target == xa[XA_COMPOUND_TEXT] 3475 || rq.target == xa[XA_COMPOUND_TEXT]
3278 || rq->target == xa[XA_UTF8_STRING] 3476 || rq.target == xa[XA_UTF8_STRING]
3279 ) { 3477 )
3478 {
3479 XTextProperty ct;
3480 Atom target = rq.target;
3280 short freect = 0; 3481 short freect = 0;
3281 int selectlen; 3482 int selectlen;
3282 char *cl; 3483 wchar_t *cl;
3484 enum {
3485 enc_string = XStringStyle,
3486 enc_text = XStdICCTextStyle,
3487 enc_compound_text = XCompoundTextStyle,
3488#ifdef X_HAVE_UTF8_STRING
3489 enc_utf8 = XUTF8StringStyle,
3490#else
3491 enc_utf8 = -1,
3492#endif
3493 } style;
3283 3494
3284 target = rq->target;
3285
3286 if (target == XA_STRING) 3495 if (target == XA_STRING)
3287 // we actually don't do XA_STRING, but who cares, as i18n clients 3496 // we actually don't do XA_STRING, but who cares, as i18n clients
3288 // will ask for another format anyways. 3497 // will ask for another format anyways.
3289 style = XStringStyle; 3498 style = enc_string;
3290 else if (target == xa[XA_TEXT]) 3499 else if (target == xa[XA_TEXT])
3291 style = XTextStyle; 3500 style = enc_text;
3292 else if (target == xa[XA_COMPOUND_TEXT]) 3501 else if (target == xa[XA_COMPOUND_TEXT])
3293 style = XCompoundTextStyle; 3502 style = enc_compound_text;
3294#if X_HAVE_UTF8_STRING 3503#if !ENABLE_MINIMAL
3295 else if (target == xa[XA_UTF8_STRING]) 3504 else if (target == xa[XA_UTF8_STRING])
3296 style = XUTF8StringStyle; 3505 style = enc_utf8;
3297#endif 3506#endif
3298 else 3507 else
3299 { 3508 {
3300 target = xa[XA_COMPOUND_TEXT]; 3509 target = xa[XA_COMPOUND_TEXT];
3301 style = XCompoundTextStyle; 3510 style = enc_compound_text;
3302 } 3511 }
3303 3512
3304 if (selection.text) { 3513 if (rq.selection == XA_PRIMARY && selection.text)
3514 {
3305 cl = (char *)selection.text; 3515 cl = selection.text;
3306 selectlen = selection.len; 3516 selectlen = selection.len;
3517 }
3518 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3519 {
3520 cl = selection.clip_text;
3521 selectlen = selection.clip_len;
3522 }
3307 } else { 3523 else
3524 {
3308 cl = ""; 3525 cl = L"";
3309 selectlen = 0; 3526 selectlen = 0;
3527 }
3528
3529#if !ENABLE_MINIMAL
3530 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3531 // so recode it manually
3532 if (style == enc_utf8)
3310 } 3533 {
3311
3312 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3313 freect = 1; 3534 freect = 1;
3535 ct.encoding = target;
3536 ct.format = 8;
3537 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3538 ct.nitems = strlen ((char *)ct.value);
3539 }
3314 else 3540 else
3541#endif
3542 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3543 freect = 1;
3544 else
3315 { 3545 {
3316 /* if we failed to convert then send it raw */ 3546 /* if we failed to convert then send it raw */
3317 ct.value = (unsigned char *)cl; 3547 ct.value = (unsigned char *)cl;
3318 ct.nitems = selectlen; 3548 ct.nitems = selectlen;
3549 ct.encoding = target;
3319 } 3550 }
3320 3551
3321 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3552 XChangeProperty (dpy, rq.requestor, rq.property,
3322 target, 8, PropModeReplace, 3553 ct.encoding, 8, PropModeReplace,
3323 ct.value, (int)ct.nitems); 3554 ct.value, (int)ct.nitems);
3324 ev.property = rq->property; 3555 ev.property = rq.property;
3325 3556
3326 if (freect) 3557 if (freect)
3327 XFree (ct.value); 3558 XFree (ct.value);
3328 } 3559 }
3560
3329 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3561 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3330}
3331
3332/* ------------------------------------------------------------------------- *
3333 * MOUSE ROUTINES *
3334 * ------------------------------------------------------------------------- */
3335
3336/*
3337 * return col/row values corresponding to x/y pixel values
3338 */
3339void
3340rxvt_term::pixel_position (int *x, int *y)
3341{
3342 *x = Pixel2Col(*x);
3343 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3344 *y = Pixel2Row(*y);
3345 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3346} 3562}
3347 3563
3348/* ------------------------------------------------------------------------- */ 3564/* ------------------------------------------------------------------------- */
3349#ifdef USE_XIM 3565#ifdef USE_XIM
3350void 3566void
3351rxvt_term::set_position (XPoint *pos) 3567rxvt_term::im_set_position (XPoint &pos) NOTHROW
3352{ 3568{
3353 XWindowAttributes xwa; 3569 XWindowAttributes xwa;
3354 3570
3355 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3571 XGetWindowAttributes (dpy, vt, &xwa);
3572
3356 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3573 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3357 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3574 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3358} 3575}
3359
3360#endif 3576#endif
3361/* ------------------------------------------------------------------------- */ 3577
3362 3578#if ENABLE_OVERLAY
3579void
3580rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3581{
3582 if (nrow < 1 || ncol < 1)
3583 return;
3584
3585 want_refresh = 1;
3586
3587 scr_overlay_off ();
3588
3589 if (x < 0) x = ncol - w;
3590 if (y < 0) y = nrow - h;
3591
3592 // make space for border
3593 w += 2; min_it (w, ncol);
3594 h += 2; min_it (h, nrow);
3595
3596 x -= 1; clamp_it (x, 0, ncol - w);
3597 y -= 1; clamp_it (y, 0, nrow - h);
3598
3599 ov.x = x; ov.y = y;
3600 ov.w = w; ov.h = h;
3601
3602 ov.text = new text_t *[h];
3603 ov.rend = new rend_t *[h];
3604
3605 for (y = 0; y < h; y++)
3606 {
3607 text_t *tp = ov.text[y] = new text_t[w];
3608 rend_t *rp = ov.rend[y] = new rend_t[w];
3609
3610 text_t t0, t1, t2;
3611 rend_t r = OVERLAY_RSTYLE;
3612
3613 if (y == 0)
3614 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3615 else if (y < h - 1)
3616 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3617 else
3618 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3619
3620 *tp++ = t0;
3621 *rp++ = r;
3622
3623 for (x = w - 2; x > 0; --x)
3624 {
3625 *tp++ = t1;
3626 *rp++ = r;
3627 }
3628
3629 *tp = t2;
3630 *rp = r;
3631 }
3632}
3633
3634void
3635rxvt_term::scr_overlay_off () NOTHROW
3636{
3637 if (!ov.text)
3638 return;
3639
3640 want_refresh = 1;
3641
3642 for (int y = 0; y < ov.h; y++)
3643 {
3644 delete [] ov.text[y];
3645 delete [] ov.rend[y];
3646 }
3647
3648 delete [] ov.text; ov.text = 0;
3649 delete [] ov.rend; ov.rend = 0;
3650}
3651
3652void
3653rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3654{
3655 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3656 return;
3657
3658 x++, y++;
3659
3660 ov.text[y][x] = text;
3661 ov.rend[y][x] = rend;
3662}
3663
3664void
3665rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3666{
3667 while (*s)
3668 scr_overlay_set (x++, y, *s++);
3669}
3670
3671void
3672rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3673{
3674 while (*s)
3675 {
3676 text_t t = *s++;
3677 int width = WCWIDTH (t);
3678
3679 while (width--)
3680 {
3681 scr_overlay_set (x++, y, t);
3682 t = NOCHAR;
3683 }
3684 }
3685}
3686
3687void
3688rxvt_term::scr_swap_overlay () NOTHROW
3689{
3690 if (!ov.text)
3691 return;
3692
3693 // hide cursor if it is within the overlay area
3694 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3695 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3696 screen.flags &= ~Screen_VisibleCursor;
3697
3698 // swap screen mem with overlay
3699 for (int y = ov.h; y--; )
3700 {
3701 text_t *t1 = ov.text[y];
3702 rend_t *r1 = ov.rend[y];
3703
3704 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3705 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3706
3707 for (int x = ov.w; x--; )
3708 {
3709 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3710 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3711 }
3712 }
3713}
3714
3715#endif
3363/* ------------------------------------------------------------------------- * 3716/* ------------------------------------------------------------------------- */
3364 * DEBUG ROUTINES *
3365 * ------------------------------------------------------------------------- */
3366#if 0
3367void
3368rxvt_debug_colors(void)
3369{
3370 int color;
3371 const char *name[] = {
3372 "fg", "bg",
3373 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3374 };
3375 3717
3376 fprintf(stderr, "Color ( ");
3377 if (rstyle & RS_RVid)
3378 fprintf(stderr, "rvid ");
3379 if (rstyle & RS_Bold)
3380 fprintf(stderr, "bold ");
3381 if (rstyle & RS_Blink)
3382 fprintf(stderr, "blink ");
3383 if (rstyle & RS_Uline)
3384 fprintf(stderr, "uline ");
3385 fprintf(stderr, "): ");
3386
3387 color = GET_FGCOLOR(rstyle);
3388#ifndef NO_BRIGHTCOLOR
3389 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3390 color -= (minBrightCOLOR - minCOLOR);
3391 fprintf(stderr, "bright ");
3392 }
3393#endif
3394 fprintf(stderr, "%s on ", name[color]);
3395
3396 color = GET_BGCOLOR(rstyle);
3397#ifndef NO_BRIGHTCOLOR
3398 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3399 color -= (minBrightCOLOR - minCOLOR);
3400 fprintf(stderr, "bright ");
3401 }
3402#endif
3403 fprintf(stderr, "%s\n", name[color]);
3404}
3405#endif

Diff Legend

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