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 1.21 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.390 by sf-exg, Fri Jul 8 20:54:31 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 <schmorp@schmorp.de>
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; 164#if ENABLE_OVERLAY
154 unsigned int p, q; 165 scr_overlay_off ();
155 int k; 166#endif
156 rend_t setrstyle;
157 167
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 168 view_start = 0;
161 num_scr = 0; 169 num_scr = 0;
162 170
163 if (TermWin.ncol == 0) 171 if (ncol == 0)
164 TermWin.ncol = 80; 172 ncol = 80;
165 173
166 if (TermWin.nrow == 0) 174 if (nrow == 0)
167 TermWin.nrow = 24; 175 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 176
172 if (ncol == prev_ncol && nrow == prev_nrow) 177 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 178 return;
174 179
180 // we need at least two lines for wrapping to work correctly
181 while (nrow + saveLines < 2)
182 {
183 //TODO//FIXME
184 saveLines++;
185 prev_nrow--;
186 top_row--;
187 }
188
175 want_refresh = 1; 189 want_refresh = 1;
176 190
191 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 192 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 193
180 screen.tscroll = 0; 194 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 195 screen.bscroll = nrow - 1;
182 196
183 if (!talloc) 197 if (!row_buf)
184 { 198 {
199 /*
200 * first time called so just malloc everything: don't rely on realloc
201 */
202 top_row = 0;
203 term_start = 0;
204
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 206 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 *));
199 207
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t)); 209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
202 211
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 212 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 } 213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
216 218
217 MEMSET(charsets, 'B', sizeof(charsets)); 219 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 220 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 221 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 222 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 223 screen.charset = 0;
223 current_screen = PRIMARY; 224 current_screen = PRIMARY;
… …
235 selection.text = NULL; 236 selection.text = NULL;
236 selection.len = 0; 237 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 238 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 239 selection.screen = PRIMARY;
239 selection.clicks = 0; 240 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 241 selection.clip_text = NULL;
241 rvideo = 0; 242 selection.clip_len = 0;
242 } 243 }
243 else 244 else
244 { 245 {
245 /* 246 /*
246 * add or delete rows as appropriate 247 * add or delete rows as appropriate
247 */ 248 */
248 setrstyle = DEFAULT_RSTYLE;
249 249
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
250 if (nrow < prev_nrow) 254 if (nrow < prev_nrow)
251 { 255 {
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++) 256 for (int row = nrow; row < prev_nrow; row++)
257 { 257 {
258 q = p + TermWin.saveLines; 258 lfree (swap_buf [row]);
259 if (screen.text[q]) 259 lfree (drawn_buf[row]);
260 }
261 }
262#endif
263
264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266
267 for (int row = min (nrow, prev_nrow); row--; )
268 {
269 lresize (drawn_buf[row]);
270 lresize (swap_buf [row]);
271 }
272
273 for (int row = prev_nrow; row < nrow; row++)
274 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
281
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row
285
286 if (top_row)
287 {
288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
289 // to come up with a lean and mean algorithm.
290 // TODO: maybe optimise when width didn't change
291
292 row_col_t ocur = screen.cur;
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294
295 do
296 {
297 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l;
301
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 303 {
261#ifdef DEBUG_STRICT 304 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 305
263#endif 306 plines++;
264 talloc->free (screen.text[q]); 307 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 308 }
267 if (swap.text[p]) 309
310 int qlines = max (0, (llen - 1) / ncol) + 1;
311
312 // drop partial lines completely
313 if (q < qlines)
314 break;
315
316 q -= qlines;
317
318 int lofs = 0;
319 line_t *qline;
320
321 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++)
268 { 323 {
269#ifdef DEBUG_STRICT 324 qline = row_buf + qrow;
270 assert (swap.rend[p]); 325 lalloc (*qline);
271#endif 326 qline->l = ncol;
272 talloc->free (swap.text[p]); 327 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 328
329 int qcol = 0;
330
331 // see below for cursor adjustment rationale
332 if (p == ocur.row)
333 screen.cur.row = q - (total_rows - nrow);
334
335 // fill a single destination line
336 while (lofs < llen && qcol < ncol)
337 {
338 int prow = lofs / prev_ncol;
339 int pcol = lofs % prev_ncol;
340
341 prow = MOD (p + prow, prev_total_rows);
342
343 // we only adjust the cursor _row_ and put it into
344 // the topmost line of "long line" it was in, as
345 // this seems to upset applications/shells/readline
346 // least.
347 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow);
349
350 line_t &pline = old_buf [prow];
351
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
356
357 lofs += len;
358 qcol += len;
359 }
274 } 360 }
275#ifdef DEBUG_STRICT 361
276 assert (drawn_text[p] && drawn_rend[p]); 362 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 363 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 364 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 365 }
366 while (p != pend && q > 0);
281 367
282 /* we have fewer rows so fix up cursor position */ 368 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 369 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 370
286 scr_reset_realloc (); /* realloc _last_ */ 371 // make sure all terminal lines exist
287 } 372 while (top_row > 0)
288 else if (nrow > prev_nrow) 373 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 374 }
290 /* add rows */ 375 else
291 scr_reset_realloc (); /* realloc _first_ */ 376 {
377 // if no scrollback exists (yet), wing, instead of wrap
292 378
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 379 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 { 380 {
299 screen.tlen[p] = 0; 381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
300 screen.text[p] = NULL; 382 line_t &qline = row_buf [row];
301 screen.rend[p] = NULL; 383
384 qline = pline;
385 lresize (qline);
302 } 386 }
303 387
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++) 388 for (int row = prev_nrow; row < nrow; row++)
308 { 389 {
309 swap.tlen[p] = 0; 390 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 } 391 }
317 392
318 if (k > 0) 393 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 { 394 }
339 int common = min (prev_ncol, ncol); 395
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 396 free (old_buf);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 397 delete old_ta;
398 delete old_ra;
399
400 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1);
342 402 }
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;
349 403
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); 404 free (tabs);
394 } 405 tabs = (char *)rxvt_malloc (ncol);
406
407 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0;
409
410 CLEAR_ALL_SELECTION ();
395 411
396 prev_nrow = nrow; 412 prev_nrow = nrow;
397 prev_ncol = ncol; 413 prev_ncol = ncol;
398 414
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 (); 415 tt_winch ();
405}
406 416
407void 417 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} 418}
429 419
430/* ------------------------------------------------------------------------- */ 420/* ------------------------------------------------------------------------- */
431/* 421/*
432 * Free everything. That way malloc debugging can find leakage. 422 * Free everything. That way malloc debugging can find leakage.
433 */ 423 */
434void 424void
435rxvt_term::scr_release() 425rxvt_term::scr_release () NOTHROW
436{ 426{
437 uint16_t total_rows; 427 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 } 428 {
449#endif
450
451 delete talloc; talloc = 0; 429 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0; 430 delete ralloc; ralloc = 0;
453 431
454 free (screen.text); 432 free (row_buf);
455 free (screen.tlen); 433 free (swap_buf);
456 free (screen.rend); 434 free (drawn_buf);
457 free (drawn_text); 435 row_buf = 0; // signal that we freed all the arrays above
458 free (drawn_rend); 436
459 free (swap.text);
460 free (swap.tlen);
461 free (swap.rend);
462 free (buf_text);
463 free (buf_rend);
464 free (tabs); 437 free (tabs);
465 438 tabs = 0;
466 /* NULL these so if anything tries to use them, we'll know about it */ 439 }
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} 440}
474 441
475/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
476/* 443/*
477 * Hard reset 444 * Hard/Soft reset
478 */ 445 */
479void 446void
480rxvt_term::scr_poweron () 447rxvt_term::scr_poweron ()
481{ 448{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 449 scr_release ();
485 prev_nrow = prev_ncol = 0; 450 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false;
452 scr_soft_reset ();
486 scr_reset (); 453 scr_reset ();
487 454
488 scr_clear (); 455 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 456 scr_refresh ();
490#ifdef RXVT_GRAPHICS 457}
491 Gr_reset (); 458
459void
460rxvt_term::scr_soft_reset ()
461{
462 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY
464 scr_overlay_off ();
492#endif 465#endif
466
467 if (current_screen != PRIMARY)
468 scr_swap_screen ();
469
470 scr_scroll_region (0, MAX_ROWS - 1);
471 scr_rendition (0, ~RS_None);
472 scr_insert_mode (0);
493} 473}
494 474
495/* ------------------------------------------------------------------------- * 475/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 476 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 477 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 479 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 480 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 481 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 482 */
503void 483void
504rxvt_term::scr_cursor (int mode) 484rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
505{ 485{
506 screen_t *s; 486 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 487
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 488#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 489 if (current_screen == SECONDARY)
512 s = &(swap); 490 s = &swap;
513 else 491 else
514#endif 492#endif
515 s = &(screen); 493 s = &screen;
494
516 switch (mode) { 495 switch (mode)
496 {
517 case SAVE: 497 case SAVE:
518 s->s_cur.row = s->cur.row; 498 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 499 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 500 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 501 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 502 s->s_charset_char = charsets[screen.charset];
523 break; 503 break;
504
524 case RESTORE: 505 case RESTORE:
525 want_refresh = 1; 506 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 507 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 508 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 509 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 510 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 511 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 512 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 513 set_font_style ();
533 break; 514 break;
534 } 515 }
516
535/* boundary check in case screen size changed between SAVE and RESTORE */ 517 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 518 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 519 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 520 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 521 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 522}
542 MAX_IT(s->cur.row, 0); 523
543 MAX_IT(s->cur.col, 0); 524void
544#endif 525rxvt_term::scr_swap_screen ()
526{
527 if (!option (Opt_secondaryScreen))
528 return;
529
530 for (int i = prev_nrow; i--; )
531 ::swap (ROW(i), swap_buf [i]);
532
533 ::swap (screen.cur, swap.cur);
534
535 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
536 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 537}
546 538
547/* ------------------------------------------------------------------------- */ 539/* ------------------------------------------------------------------------- */
548/* 540/*
549 * Swap between primary and secondary screens 541 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 542 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 543 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 544 */
553int 545void
554rxvt_term::scr_change_screen (int scrn) 546rxvt_term::scr_change_screen (int scrn)
555{ 547{
556 int i; 548 if (scrn == current_screen)
549 return;
550
551 want_refresh = 1;
552 view_start = 0;
553
554 selection_check (2); /* check for boundary cross */
555
556 current_screen = scrn;
557
557#if NSCREENS 558#if NSCREENS
558 int offset; 559 if (option (Opt_secondaryScreen))
559#endif 560 {
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; 561 num_scr = 0;
575 offset = TermWin.saveLines; 562
576 for (i = prev_nrow; i--;) { 563 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 564
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 565 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 566 ::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; 567 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 568 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 569 }
570 else
603# endif 571#endif
604#else 572 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); 573 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 574}
617#endif 575
576// clear WrapNext indicator, solidifying position on next line
577void
578rxvt_term::scr_do_wrap () NOTHROW
579{
580 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 581 return;
582
583 screen.flags &= ~Screen_WrapNext;
584
585 screen.cur.col = 0;
586
587 if (screen.cur.row == screen.bscroll)
588 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
589 else if (screen.cur.row < nrow - 1)
590 screen.cur.row++;
619} 591}
620 592
621/* ------------------------------------------------------------------------- */ 593/* ------------------------------------------------------------------------- */
622/* 594/*
623 * Change the colour for following text 595 * Change the colour for following text
624 */ 596 */
625void 597void
626rxvt_term::scr_color (unsigned int color, int fgbg) 598rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
627{ 599{
600 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
628 color &= RS_fgMask; 601 color = fgbg;
602
629 if (fgbg == Color_fg) 603 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 604 rstyle = SET_FGCOLOR (rstyle, color);
631 else 605 else
632 rstyle = SET_BGCOLOR(rstyle, color); 606 rstyle = SET_BGCOLOR (rstyle, color);
633} 607}
634 608
635/* ------------------------------------------------------------------------- */ 609/* ------------------------------------------------------------------------- */
636/* 610/*
637 * Change the rendition style for following text 611 * Change the rendition style for following text
638 */ 612 */
639void 613void
640rxvt_term::scr_rendition (int set, int style) 614rxvt_term::scr_rendition (int set, int style) NOTHROW
641{ 615{
642 if (set) 616 if (set)
643 rstyle |= style; 617 rstyle |= style;
644 else if (style == ~RS_None) 618 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 619 rstyle = DEFAULT_RSTYLE;
646 else 620 else
647 rstyle &= ~style; 621 rstyle &= ~style;
648} 622}
649 623
650/* ------------------------------------------------------------------------- */ 624/* ------------------------------------------------------------------------- */
651/* 625/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 626 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 627 * count positive ==> scroll up
654 * count negative ==> scroll down 628 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 629 */
657int 630int
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 631rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
659{ 632{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 633 if (count == 0 || (row1 > row2))
664 return 0; 634 return 0;
665 635
666 want_refresh = 1; 636 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 637 num_scr += count;
668 638
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 639 if (count > 0
640 && row1 == 0
641 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
642 {
643 min_it (count, total_rows - (nrow - (row2 + 1)));
644
645 top_row = max (top_row - count, -saveLines);
646
647 // sever bottommost line
670 { 648 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 649 line_t &l = ROW(row2 - 1);
650 l.is_longer (0);
651 l.touch ();
652 }
672 653
673 if (nscrolled > (long)TermWin.saveLines) 654 // scroll everything up 'count' lines
674 TermWin.nscrolled = TermWin.saveLines; 655 term_start = (term_start + count) % total_rows;
656
657 // now copy lines below the scroll region bottom to the
658 // bottom of the screen again, so they look as if they
659 // hadn't moved.
660 for (int i = nrow; --i > row2; )
661 {
662 line_t &l1 = ROW(i - count);
663 line_t &l2 = ROW(i);
664
665 ::swap (l1, l2);
666 l2.touch ();
667 }
668
669 // erase newly scrolled-in lines
670 for (int i = count; i--; )
671 {
672 line_t &l = ROW(row2 - i);
673
674 // optimise if already cleared, can be significant on slow machines
675 // could be rolled into scr_blank_screen_mem
676 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
677 {
678 scr_blank_line (l, 0, l.l, rstyle);
679 l.l = 0;
680 l.f = 0;
681 }
675 else 682 else
676 TermWin.nscrolled = (uint16_t)nscrolled; 683 scr_blank_screen_mem (l, rstyle);
684 }
677 685
686 // move and/or clear selection, if any
687 if (selection.op && current_screen == selection.screen)
688 {
689 selection.beg.row -= count;
690 selection.end.row -= count;
691 selection.mark.row -= count;
692
693 if (selection.beg.row < top_row
694 || selection.end.row < top_row
695 || selection.mark.row < top_row)
696 {
697 CLEAR_ALL_SELECTION ();
698 selection.op = SELECTION_CLEAR;
699 }
700 }
701
702 // finally move the view window, if desired
678 if ((Options & Opt_scrollWithBuffer) 703 if (option (Opt_scrollWithBuffer)
679 && TermWin.view_start != 0 704 && view_start != 0
680 && TermWin.view_start != TermWin.saveLines) 705 && view_start != -saveLines)
681 scr_page (UP, count); 706 scr_page (UP, count);
707
708 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
709 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
710 }
711 else
682 } 712 {
683 else if (!spec)
684 row1 += TermWin.saveLines;
685
686 row2 += TermWin.saveLines;
687
688 if (selection.op && current_screen == selection.screen) 713 if (selection.op && current_screen == selection.screen)
689 { 714 {
690 i = selection.beg.row + TermWin.saveLines; 715 if ((selection.beg.row < row1 && selection.end.row > row1)
691 j = selection.end.row + TermWin.saveLines; 716 || (selection.beg.row < row2 && selection.end.row > row2)
692 if ((i < row1 && j > row1) 717 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
693 || (i < row2 && j > row2) 718 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
694 || (i - count < row1 && i >= row1) 719 || (selection.end.row - count < row1 && selection.end.row >= row1)
695 || (i - count > row2 && i <= row2) 720 || (selection.end.row - count > row2 && selection.end.row <= row2))
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 { 721 {
699 CLEAR_ALL_SELECTION (); 722 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 723 selection.op = SELECTION_CLEAR;
701 } 724 }
702 else if (j >= row1 && j <= row2) 725 else if (selection.end.row >= row1 && selection.end.row <= row2)
703 { 726 {
704 /* move selected region too */ 727 /* move selected region too */
705 selection.beg.row -= count; 728 selection.beg.row -= count;
706 selection.end.row -= count; 729 selection.end.row -= count;
707 selection.mark.row -= count; 730 selection.mark.row -= count;
731
732 selection_check (0);
708 } 733 }
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 { 734 }
729 buf_text[i] = screen.text[j]; 735
730 buf_rend[i] = screen.rend[j]; 736 // use a simple and robust scrolling algorithm, this
737 // part of scr_scroll_text is not time-critical.
738
739 // sever line above scroll region
740 if (row1)
731 } 741 {
732 /* A2: Rotate lines */ 742 line_t &l = ROW(row1 - 1);
733 for (j = row1, i = j + count; i <= row2; i++, j++) 743 l.is_longer (0);
744 l.touch ();
734 { 745 }
735 screen.tlen[j] = screen.tlen[i]; 746
736 screen.text[j] = screen.text[i]; 747 int rows = row2 - row1 + 1;
737 screen.rend[j] = screen.rend[i]; 748
749 min_it (count, rows);
750
751 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
752
753 for (int row = 0; row < rows; row++)
738 } 754 {
739 j = row2 - count + 1, i = count; 755 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
740 }
741 else /* if (j < 0) */
742 {
743 /* B: scroll down */
744 756
745 /* B1: Copy lines that will get clobbered by the rotation */ 757 if (!IN_RANGE_EXC (row + count, 0, rows))
746 for (i = 0, j = row2; i < count; i++, j--) 758 scr_blank_screen_mem (temp_buf [row], rstyle);
747 { 759 }
748 buf_text[i] = screen.text[j]; 760
749 buf_rend[i] = screen.rend[j]; 761 for (int row = 0; row < rows; row++)
750 } 762 ROW(row1 + row) = temp_buf [row];
751 /* B2: Rotate lines */ 763
752 for (j = row2, i = j - count; i >= row1; i--, j--) 764 // sever bottommost line
753 { 765 {
754 screen.tlen[j] = screen.tlen[i]; 766 line_t &l = ROW(row2 - 1);
755 screen.text[j] = screen.text[i]; 767 l.is_longer (0);
756 screen.rend[j] = screen.rend[i]; 768 l.touch ();
757 } 769 }
758 j = row1, i = count;
759 count = -count;
760 }
761 770
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 771 }
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
778 772
779 return count; 773 return count;
780} 774}
781 775
782/* ------------------------------------------------------------------------- */ 776/* ------------------------------------------------------------------------- */
783/* 777/*
784 * Add text given in <str> of length <len> to screen struct 778 * Add text given in <str> of length <len> to screen struct
785 */ 779 */
786void 780void
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 781rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
788{ 782{
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 */ 783 if (len <= 0) /* sanity */
796 return; 784 return;
797 785
786 unsigned char checksel;
787 unicode_t c;
788 int ncol = this->ncol;
789 const wchar_t *strend = str + len;
790
798 want_refresh = 1; 791 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 792 ZERO_SCROLLBACK ();
793
803 if (nlines > 0) { 794 if (minlines > 0)
795 {
804 nlines += (screen.cur.row - screen.bscroll); 796 minlines += screen.cur.row - screen.bscroll;
797 min_it (minlines, screen.cur.row - top_row);
798
805 if ((nlines > 0) 799 if (minlines > 0
806 && (screen.tscroll == 0) 800 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 801 && screen.bscroll == nrow - 1)
802 {
808 /* _at least_ this many lines need to be scrolled */ 803 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 804 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 805 screen.cur.row -= minlines;
811 } 806 }
812 } 807 }
813#ifdef DEBUG_STRICT 808
814 assert(screen.cur.col < last_col); 809 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 810 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 811 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 812 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;
823 813
824 checksel = (selection.op 814 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 815
828 stp = screen.text[row]; 816 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 817
831 for (i = 0; i < len;) { 818 while (str < strend)
832 c = str[i++]; 819 {
833 switch (c) { 820 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 821
835 scr_tab (1); 822 if (ecb_unlikely (c < 0x20))
823 if (c == C0_LF)
824 {
825 max_it (line->l, screen.cur.col);
826
827 screen.flags &= ~Screen_WrapNext;
828
829 if (screen.cur.row == screen.bscroll)
830 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
831 else if (screen.cur.row < (nrow - 1))
832 row = ++screen.cur.row;
833
834 line = &ROW(row); /* _must_ refresh */
836 continue; 835 continue;
837 case '\n': 836 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 837 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 838 {
840 screen.flags &= ~Screen_WrapNext; 839 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 840
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; 841 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 842 screen.cur.col = 0;
853 continue; 843 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 844 }
845 else if (c == C0_HT)
846 {
847 scr_tab (1, true);
848 continue;
849 }
859 850
851 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 852 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 853 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 854 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
855 ))
856 {
863 checksel = 0; 857 checksel = 0;
864 clearsel = 1; 858 /*
859 * If we wrote anywhere in the selected area, kill the selection
860 * XXX: should we kill the mark too? Possibly, but maybe that
861 * should be a similar check.
862 */
863 CLEAR_SELECTION ();
864 }
865
866 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 867 {
866 if (screen.flags & Screen_WrapNext) { 868 scr_do_wrap ();
867 screen.tlen[row] = -1; 869
868 if (screen.cur.row == screen.bscroll) 870 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 871 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 872
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; 873 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 874 line = &ROW(row); /* _must_ refresh */
875 }
876
877 // some utf-8 decoders "decode" surrogate characters: let's fix this.
878 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
879 c = 0xfffd;
880
881 // rely on wcwidth to tell us the character width, do wcwidth before
882 // further replacements, as wcwidth might return -1 for the line
883 // drawing characters below as they might be invalid in the current
884 // locale.
885 int width = WCWIDTH (c);
886
887 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 888 {
877 if (screen.flags & Screen_Insert) 889 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 890 // 5f-7e standard vt100
891 // 40-5e rxvt extension for extra curses acs chars
892 static uint16_t vt100_0[62] = { // 41 .. 7e
893 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
894 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
895 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
896 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
897 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
898 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
899 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
900 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
901 };
879 902
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 903 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 904 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 905 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 906 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 } 907 }
908 }
895 909
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 910 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 911 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 912
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 913 if (width != 0)
914 {
915#if !UNICODE_3
916 // trim characters we can't store directly :(
917 if (c >= 0x10000)
918# if ENABLE_COMBINING
919 c = rxvt_composite.compose (c); // map to lower 16 bits
920# else
921 c = 0xfffd;
922# endif
923#endif
924
925 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
926
927 // if the character doesn't fit into the remaining columns...
928 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
929 {
930 if (screen.flags & Screen_Autowrap)
931 {
932 // ... artificially enlargen the previous one
933 c = NOCHAR;
934 // and try the same character next loop iteration
935 --str;
936 }
937 else
938 screen.cur.col = ncol - width;
939 }
940
941 // nuke the character at this position, if required
942 // due to wonderful coincidences everywhere else in this loop
943 // we never have to check for overwriting a wide char itself,
944 // only its tail.
945 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
946 scr_kill_char (*line, screen.cur.col);
947
948 line->touch ();
949
902 do 950 do
903 { 951 {
904 stp[screen.cur.col] = c; 952 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 953 line->r[screen.cur.col] = rend;
906 954
907 if (screen.cur.col < last_col - 1) 955 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 956 screen.cur.col++;
909 else 957 else
910 { 958 {
911 screen.tlen[row] = last_col; 959 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 960 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 961 screen.flags |= Screen_WrapNext;
914 break; 962
963 goto end_of_line;
915 } 964 }
916 965
917 c = NOCHAR; 966 c = NOCHAR;
918 } 967 }
919 while (--width > 0); 968 while (ecb_unlikely (--width > 0));
969
970 // pad with spaces when overwriting wide character with smaller one
971 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
972 {
973 line->t[c] = ' ';
974 line->r[c] = rend;
975 }
976
977end_of_line:
978 ;
979 }
980#if ENABLE_COMBINING
981 else // width == 0
982 {
983 if (c != 0xfeff) // ignore BOM
984 {
985 // handle combining characters
986 // we just tag the accent on the previous on-screen character.
987 // this is arguably not correct, but also arguably not wrong.
988 // we don't handle double-width characters nicely yet.
989 line_t *linep;
990 text_t *tp;
991 rend_t *rp;
992
993 if (screen.cur.col > 0)
994 {
995 linep = line;
996 tp = line->t + screen.cur.col - 1;
997 rp = line->r + screen.cur.col - 1;
998 }
999 else if (screen.cur.row > 0
1000 && ROW(screen.cur.row - 1).is_longer ())
1001 {
1002 linep = &ROW(screen.cur.row - 1);
1003 tp = line->t + ncol - 1;
1004 rp = line->r + ncol - 1;
1005 }
920 else 1006 else
921 (void)0; /* handle combining character etc. here. */ 1007 continue;
922 }
923 1008
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1009 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1010
927/* 1011 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1012 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 1013
935#ifdef DEBUG_STRICT 1014 // first try to find a precomposed character
1015 unicode_t n = rxvt_compose (*tp, c);
1016 if (n == NOCHAR)
1017 n = rxvt_composite.compose (*tp, c);
1018
1019 *tp = n;
1020 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1021 }
1022 }
1023#endif
1024 }
1025
1026 max_it (line->l, screen.cur.col);
1027
936 assert(screen.cur.row >= 0); 1028 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1029}
941 1030
942/* ------------------------------------------------------------------------- */ 1031/* ------------------------------------------------------------------------- */
943/* 1032/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1033 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1034 * XTERM_SEQ: CTRL-H
946 */ 1035 */
947void 1036void
948rxvt_term::scr_backspace () 1037rxvt_term::scr_backspace () NOTHROW
949{ 1038{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1039 if (screen.cur.col == 0)
1040 {
952 if (screen.cur.row > 0) { 1041 if (screen.cur.row > 0)
1042 {
953#ifdef TERMCAP_HAS_BW 1043#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1044 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1045 --screen.cur.row;
956 return; 1046
1047 want_refresh = 1;
957#endif 1048#endif
958 } 1049 }
1050 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1051 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1052 screen.flags &= ~Screen_WrapNext;
1053 else
1054 scr_gotorc (0, -1, RELATIVE);
962} 1055}
963 1056
964/* ------------------------------------------------------------------------- */ 1057/* ------------------------------------------------------------------------- */
965/* 1058/*
966 * Process Horizontal Tab 1059 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1060 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1061 * XTERM_SEQ: CTRL-I
969 */ 1062 */
970void 1063void
971rxvt_term::scr_tab (int count) 1064rxvt_term::scr_tab (int count, bool ht) NOTHROW
972{ 1065{
973 int i, x; 1066 int i, x;
974 1067
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1068 want_refresh = 1;
977 i = x = screen.cur.col; 1069 i = x = screen.cur.col;
1070
978 if (count == 0) 1071 if (count == 0)
979 return; 1072 return;
980 else if (count > 0) { 1073 else if (count > 0)
1074 {
1075 line_t &l = ROW(screen.cur.row);
1076 rend_t base_rend = l.r[i];
1077 ht &= l.t[i] == ' ';
1078
981 for (; ++i < TermWin.ncol; ) 1079 for (; ++i < ncol; )
982 if (tabs[i]) { 1080 if (tabs[i])
1081 {
983 x = i; 1082 x = i;
1083
984 if (!--count) 1084 if (!--count)
985 break; 1085 break;
1086 }
1087 else
1088 ht &= l.t[i] == ' '
1089 && RS_SAME (l.r[i], base_rend);
1090
1091 if (count)
1092 x = ncol - 1;
1093
1094 // store horizontal tab commands as characters inside the text
1095 // buffer so they can be selected and pasted.
1096 if (ht && option (Opt_pastableTabs))
1097 {
1098 base_rend = SET_FONT (base_rend, 0);
1099
1100 l.touch (x);
1101
1102 i = screen.cur.col;
1103
1104 l.t[i] = '\t';
1105 l.r[i] = base_rend;
1106
1107 while (++i < x)
1108 {
1109 l.t[i] = NOCHAR;
1110 l.r[i] = base_rend;
986 } 1111 }
987 if (count) 1112 }
988 x = TermWin.ncol - 1; 1113 }
989 } else /* if (count < 0) */ { 1114 else /* if (count < 0) */
1115 {
990 for (; --i >= 0; ) 1116 for (; --i >= 0; )
991 if (tabs[i]) { 1117 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1118 {
996 if (count)
997 x = 0; 1119 x = i;
1120 if (!++count)
1121 break;
1122 }
1123
1124 if (count)
1125 x = 0;
998 } 1126 }
1127
999 if (x != screen.cur.col) 1128 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1129 scr_gotorc (0, x, R_RELATIVE);
1001} 1130}
1002 1131
1003/* ------------------------------------------------------------------------- */ 1132/* ------------------------------------------------------------------------- */
1004/* 1133/*
1005 * Process DEC Back Index 1134 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1135 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1136 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1137 * in that row right. Clear left column.
1009 */ 1138 */
1010#ifndef NO_FRILLS 1139#if !ENABLE_MINIMAL
1011void 1140void
1012rxvt_term::scr_backindex () 1141rxvt_term::scr_backindex () NOTHROW
1013{ 1142{
1014 if (screen.cur.col > 0) 1143 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1145 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1146 scr_insdel_chars (1, INSERT);
1020 }
1021} 1147}
1022#endif 1148#endif
1023/* ------------------------------------------------------------------------- */ 1149/* ------------------------------------------------------------------------- */
1024/* 1150/*
1025 * Process DEC Forward Index 1151 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1152 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1153 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1154 * in that row left. Clear right column.
1029 */ 1155 */
1030#ifndef NO_FRILLS 1156#if !ENABLE_MINIMAL
1031void 1157void
1032rxvt_term::scr_forwardindex () 1158rxvt_term::scr_forwardindex () NOTHROW
1033{ 1159{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1160 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1161 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1162 else
1039 row = screen.cur.row + TermWin.saveLines; 1163 {
1040 if (screen.tlen[row] == 0) 1164 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1165
1042 else if (screen.tlen[row] == -1) 1166 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1167 l.is_longer (0);
1168
1044 scr_gotorc (0, 0, R_RELATIVE); 1169 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1170 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1171 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1172 }
1048} 1173}
1049#endif 1174#endif
1050 1175
1051/* ------------------------------------------------------------------------- */ 1176/* ------------------------------------------------------------------------- */
1052/* 1177/*
1053 * Goto Row/Column 1178 * Goto Row/Column
1054 */ 1179 */
1055void 1180void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1181rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1057{ 1182{
1058 want_refresh = 1; 1183 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1184 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1185
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) 1186 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1187 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 1188
1072 screen.flags &= ~Screen_WrapNext; 1189 screen.flags &= ~Screen_WrapNext;
1190
1073 if (relative & R_RELATIVE) { 1191 if (relative & R_RELATIVE)
1192 {
1074 if (row > 0) { 1193 if (row > 0)
1194 {
1075 if (screen.cur.row <= screen.bscroll 1195 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1196 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1197 screen.cur.row = screen.bscroll;
1078 else 1198 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; 1199 screen.cur.row += row;
1200 }
1201 else if (row < 0)
1202 {
1203 if (screen.cur.row >= screen.tscroll
1204 && (screen.cur.row + row) < screen.tscroll)
1205 screen.cur.row = screen.tscroll;
1206 else
1207 screen.cur.row += row;
1208 }
1209 }
1210 else
1093 } 1211 {
1094 MAX_IT(screen.cur.row, 0); 1212 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1213 {
1096} 1214 /* relative origin mode */
1215 screen.cur.row = row + screen.tscroll;
1216 min_it (screen.cur.row, screen.bscroll);
1217 }
1218 else
1219 screen.cur.row = row;
1220 }
1097 1221
1222 clamp_it (screen.cur.row, 0, nrow - 1);
1223}
1224
1098/* ------------------------------------------------------------------------- */ 1225/* ------------------------------------------------------------------------- */
1099/* 1226/*
1100 * direction should be UP or DN 1227 * direction should be UP or DN
1101 */ 1228 */
1102void 1229void
1103rxvt_term::scr_index (enum page_dirn direction) 1230rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1104{ 1231{
1105 int dirn; 1232 int dirn;
1106 1233
1107 want_refresh = 1; 1234 want_refresh = 1;
1235 ZERO_SCROLLBACK ();
1236
1108 dirn = ((direction == UP) ? 1 : -1); 1237 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110 1238
1111 ZERO_SCROLLBACK();
1112
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1239 screen.flags &= ~Screen_WrapNext;
1240
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1241 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1242 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1243 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1122 else 1244 else
1123 screen.cur.row += dirn; 1245 screen.cur.row += dirn;
1124 MAX_IT(screen.cur.row, 0); 1246
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1247 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1248 selection_check (0);
1127} 1249}
1128 1250
1129/* ------------------------------------------------------------------------- */ 1251/* ------------------------------------------------------------------------- */
1130/* 1252/*
1131 * Erase part or whole of a line 1253 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1254 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1255 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1256 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1257 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1258 */
1136void 1259void
1137rxvt_term::scr_erase_line (int mode) 1260rxvt_term::scr_erase_line (int mode) NOTHROW
1138{ 1261{
1139 unsigned int row, col, num; 1262 unsigned int col, num;
1140 1263
1141 want_refresh = 1; 1264 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1265 ZERO_SCROLLBACK ();
1144 1266
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1267 selection_check (1);
1151 1268
1152 screen.flags &= ~Screen_WrapNext; 1269 line_t &line = ROW(screen.cur.row);
1153 1270
1154 row = TermWin.saveLines + screen.cur.row; 1271 line.touch ();
1272 line.is_longer (0);
1273
1155 switch (mode) 1274 switch (mode)
1156 { 1275 {
1276 case 3:
1277 if (screen.flags & Screen_WrapNext)
1278 return;
1279
1280 /* fall through */
1281
1157 case 0: /* erase to end of line */ 1282 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1283 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1284 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1285 min_it (line.l, col);
1286
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1287 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1288 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1289 CLEAR_SELECTION ();
1164 break; 1290 break;
1291
1165 case 1: /* erase to beginning of line */ 1292 case 1: /* erase to beginning of line */
1166 col = 0; 1293 col = 0;
1167 num = screen.cur.col + 1; 1294 num = screen.cur.col + 1;
1295
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1296 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1297 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1298 CLEAR_SELECTION ();
1171 break; 1299 break;
1300
1172 case 2: /* erase whole line */ 1301 case 2: /* erase whole line */
1173 col = 0; 1302 col = 0;
1174 num = TermWin.ncol; 1303 num = ncol;
1175 screen.tlen[row] = 0; 1304 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1305 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1306 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1307 CLEAR_SELECTION ();
1179 break; 1308 break;
1180 default: 1309 default:
1181 return; 1310 return;
1182 } 1311 }
1183 1312
1184 if (screen.text[row]) 1313 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} 1314}
1190 1315
1191/* ------------------------------------------------------------------------- */ 1316/* ------------------------------------------------------------------------- */
1192/* 1317/*
1193 * Erase part of whole of the screen 1318 * Erase part of whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1319 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1320 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1321 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1322 */
1198void 1323void
1199rxvt_term::scr_erase_screen (int mode) 1324rxvt_term::scr_erase_screen (int mode) NOTHROW
1200{ 1325{
1201 int num; 1326 int num;
1202 int32_t row, row_offset; 1327 int32_t row;
1203 rend_t ren; 1328 rend_t ren;
1204 XGCValues gcvalue; 1329 XGCValues gcvalue;
1205 1330
1206 want_refresh = 1; 1331 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1332 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1333
1211 switch (mode) { 1334 switch (mode)
1335 {
1212 case 0: /* erase to end of screen */ 1336 case 0: /* erase to end of screen */
1213 selection_check (1); 1337 selection_check (1);
1214 scr_erase_line (0); 1338 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1339 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1340 num = nrow - row;
1217 break; 1341 break;
1218 case 1: /* erase to beginning of screen */ 1342 case 1: /* erase to beginning of screen */
1219 selection_check (3); 1343 selection_check (3);
1220 scr_erase_line (1); 1344 scr_erase_line (1);
1221 row = 0; 1345 row = 0;
1222 num = screen.cur.row; 1346 num = screen.cur.row;
1223 break; 1347 break;
1224 case 2: /* erase whole screen */ 1348 case 2: /* erase whole screen */
1225 selection_check (3); 1349 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1350 row = 0;
1230 num = TermWin.nrow; 1351 num = nrow;
1231 break; 1352 break;
1232 default: 1353 default:
1233 return; 1354 return;
1234 } 1355 }
1235 refresh_type |= REFRESH_BOUNDS; 1356
1236 if (selection.op && current_screen == selection.screen 1357 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1358 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1359 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1360 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1361 CLEAR_SELECTION ();
1362
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1363 if (row >= nrow) /* Out Of Bounds */
1242 return; 1364 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1365
1366 min_it (num, nrow - row);
1367
1244 if (rstyle & (RS_RVid | RS_Uline)) 1368 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1369 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1370 else if (GET_BASEBG (rstyle) == Color_bg)
1371 {
1247 ren = DEFAULT_RSTYLE; 1372 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1373
1249 } else { 1374 if (mapped)
1375 XClearArea (dpy, vt, 0,
1376 Row2Pixel (row - view_start), (unsigned int)width,
1377 (unsigned int)Height2Pixel (num), False);
1378 }
1379 else
1380 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1381 ren = rstyle & (RS_fgMask | RS_bgMask);
1382
1383 if (mapped)
1384 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1385 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1386 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1387 XFillRectangle (dpy, vt, gc,
1388 0, Row2Pixel (row - view_start),
1389 (unsigned int)width,
1390 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1391 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1392 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1393 }
1256 } 1394 }
1395
1257 for (; num--; row++) { 1396 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 } 1397 {
1398 scr_blank_screen_mem (ROW(row), rstyle);
1399
1400 if (row - view_start < nrow)
1401 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1402 }
1264} 1403}
1404
1405#if !ENABLE_MINIMAL
1406void
1407rxvt_term::scr_erase_savelines () NOTHROW
1408{
1409 want_refresh = 1;
1410 ZERO_SCROLLBACK ();
1411
1412 top_row = 0;
1413}
1414#endif
1265 1415
1266/* ------------------------------------------------------------------------- */ 1416/* ------------------------------------------------------------------------- */
1267/* 1417/*
1268 * Fill the screen with `E's 1418 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1419 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1420 */
1271void 1421void
1272rxvt_term::scr_E () 1422rxvt_term::scr_E () NOTHROW
1273{ 1423{
1274 int i, j, k; 1424 rend_t fs;
1275 rend_t *r1, fs;
1276 1425
1277 want_refresh = 1; 1426 want_refresh = 1;
1427 ZERO_SCROLLBACK ();
1428
1278 num_scr_allow = 0; 1429 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3); 1430 selection_check (3);
1281 1431
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1432 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1433 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1434 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1435 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1436
1437 fill_text (line.t, 'E', ncol);
1438 rend_t *r1 = line.r;
1439
1440 for (int j = ncol; j--; )
1287 *r1++ = fs; 1441 *r1++ = fs;
1442
1443 line.is_longer (0);
1444 line.touch (ncol);
1288 } 1445 }
1289} 1446}
1290 1447
1291/* ------------------------------------------------------------------------- */ 1448/* ------------------------------------------------------------------------- */
1292/* 1449/*
1293 * Insert/Delete <count> lines 1450 * Insert/Delete <count> lines
1294 */ 1451 */
1295void 1452void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1453rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1297{ 1454{
1298 int end; 1455 int end;
1299 1456
1300 ZERO_SCROLLBACK(); 1457 ZERO_SCROLLBACK ();
1301 1458
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1459 selection_check (1);
1308 1460
1309 if (screen.cur.row > screen.bscroll) 1461 if (screen.cur.row > screen.bscroll)
1462 return;
1463
1464 end = screen.bscroll - screen.cur.row + 1;
1465 if (count > end)
1466 {
1467 if (insdel == DELETE)
1310 return; 1468 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) 1469 else if (insdel == INSERT)
1317 count = end; 1470 count = end;
1318 } 1471 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1472
1473 scr_do_wrap ();
1474
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1475 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1476}
1323 1477
1324/* ------------------------------------------------------------------------- */ 1478/* ------------------------------------------------------------------------- */
1325/* 1479/*
1326 * Insert/Delete <count> characters from the current position 1480 * Insert/Delete <count> characters from the current position
1327 */ 1481 */
1328void 1482void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1483rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1330{ 1484{
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; 1485 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1486 ZERO_SCROLLBACK ();
1339 1487
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1488 if (count <= 0)
1346 return; 1489 return;
1347 1490
1491 scr_do_wrap ();
1492
1348 selection_check (1); 1493 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1494 min_it (count, ncol - screen.cur.col);
1350 1495
1351 row = screen.cur.row + TermWin.saveLines; 1496 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1497
1354 stp = screen.text[row]; 1498 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1499
1356 slp = &(screen.tlen[row]); 1500 line->touch ();
1501 line->is_longer (0);
1502
1503 // nuke wide spanning the start
1504 if (line->t[screen.cur.col] == NOCHAR)
1505 scr_kill_char (*line, screen.cur.col);
1506
1357 switch (insdel) { 1507 switch (insdel)
1508 {
1358 case INSERT: 1509 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1510 line->l = min (line->l + count, ncol);
1360 col--) { 1511
1512 if (line->t[screen.cur.col] == NOCHAR)
1513 scr_kill_char (*line, screen.cur.col);
1514
1515 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1516 {
1361 stp[col] = stp[col - count]; 1517 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1518 line->r[col] = line->r[col - count];
1363 } 1519 }
1364 if (*slp != -1) { 1520
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1521 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1522 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1523 {
1370 if (selection.end.row != screen.cur.row 1524 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1525 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1526 CLEAR_SELECTION ();
1527 else
1528 {
1373 else { /* shift selection */ 1529 /* shift selection */
1374 selection.beg.col += count; 1530 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1531 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1532 selection.end.col += count;
1377 } 1533 }
1378 } 1534 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1535
1380 (unsigned int)count, rstyle); 1536 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1537 break;
1538
1382 case ERASE: 1539 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1540 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1541 selection_check (1);
1385 screen.cur.col -= count; 1542 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1543
1387 (unsigned int)count, rstyle); 1544 // nuke wide char after the end
1545 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1546 scr_kill_char (*line, screen.cur.col + count);
1547
1548 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1549 break;
1550
1389 case DELETE: 1551 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1552 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1553
1554 // nuke wide char spanning the end
1555 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1556 scr_kill_char (*line, screen.cur.col + count);
1557
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1558 for (int col = screen.cur.col; (col + count) < ncol; col++)
1559 {
1393 stp[col] = stp[col + count]; 1560 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1561 line->r[col] = line->r[col + count];
1395 } 1562 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1563
1397 &(srp[TermWin.ncol - count]), 1564 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1565
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 1566 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1567 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1568 {
1405 if (selection.end.row != screen.cur.row 1569 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1570 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1571 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1572 CLEAR_SELECTION ();
1409 else { 1573 else
1574 {
1410 /* shift selection */ 1575 /* shift selection */
1411 selection.beg.col -= count; 1576 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1577 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1578 selection.end.col -= count;
1414 } 1579 }
1415 } 1580 }
1581
1416 break; 1582 break;
1417 } 1583 }
1418} 1584}
1419 1585
1420/* ------------------------------------------------------------------------- */ 1586/* ------------------------------------------------------------------------- */
1421/* 1587/*
1422 * Set the scrolling region 1588 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1589 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1590 */
1425void 1591void
1426rxvt_term::scr_scroll_region (int top, int bot) 1592rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1427{ 1593{
1428 MAX_IT(top, 0); 1594 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1595 min_it (bot, nrow - 1);
1596
1430 if (top > bot) 1597 if (top > bot)
1431 return; 1598 return;
1599
1432 screen.tscroll = top; 1600 screen.tscroll = top;
1433 screen.bscroll = bot; 1601 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1602 scr_gotorc (0, 0, 0);
1435} 1603}
1436 1604
1437/* ------------------------------------------------------------------------- */ 1605/* ------------------------------------------------------------------------- */
1438/* 1606/*
1439 * Make the cursor visible/invisible 1607 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1608 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1609 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1610 */
1443void 1611void
1444rxvt_term::scr_cursor_visible (int mode) 1612rxvt_term::scr_cursor_visible (int mode) NOTHROW
1445{ 1613{
1446 want_refresh = 1; 1614 want_refresh = 1;
1615
1447 if (mode) 1616 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1617 screen.flags |= Screen_VisibleCursor;
1449 else 1618 else
1450 screen.flags &= ~Screen_VisibleCursor; 1619 screen.flags &= ~Screen_VisibleCursor;
1451} 1620}
1452 1621
1453/* ------------------------------------------------------------------------- */ 1622/* ------------------------------------------------------------------------- */
1454/* 1623/*
1455 * Set/unset automatic wrapping 1624 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1625 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1626 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1627 */
1459void 1628void
1460rxvt_term::scr_autowrap (int mode) 1629rxvt_term::scr_autowrap (int mode) NOTHROW
1461{ 1630{
1462 if (mode) 1631 if (mode)
1463 screen.flags |= Screen_Autowrap; 1632 screen.flags |= Screen_Autowrap;
1464 else 1633 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1634 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1635}
1467 1636
1468/* ------------------------------------------------------------------------- */ 1637/* ------------------------------------------------------------------------- */
1469/* 1638/*
1470 * Set/unset margin origin mode 1639 * Set/unset margin origin mode
… …
1474 * and the cursor cannot be moved outside. 1643 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1644 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1645 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1646 */
1478void 1647void
1479rxvt_term::scr_relative_origin (int mode) 1648rxvt_term::scr_relative_origin (int mode) NOTHROW
1480{ 1649{
1481 if (mode) 1650 if (mode)
1482 screen.flags |= Screen_Relative; 1651 screen.flags |= Screen_Relative;
1483 else 1652 else
1484 screen.flags &= ~Screen_Relative; 1653 screen.flags &= ~Screen_Relative;
1654
1485 scr_gotorc (0, 0, 0); 1655 scr_gotorc (0, 0, 0);
1486} 1656}
1487 1657
1488/* ------------------------------------------------------------------------- */ 1658/* ------------------------------------------------------------------------- */
1489/* 1659/*
1490 * Set insert/replace mode 1660 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1661 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1662 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1663 */
1494void 1664void
1495rxvt_term::scr_insert_mode (int mode) 1665rxvt_term::scr_insert_mode (int mode) NOTHROW
1496{ 1666{
1497 if (mode) 1667 if (mode)
1498 screen.flags |= Screen_Insert; 1668 screen.flags |= Screen_Insert;
1499 else 1669 else
1500 screen.flags &= ~Screen_Insert; 1670 screen.flags &= ~Screen_Insert;
1501} 1671}
1502 1672
1503/* ------------------------------------------------------------------------- */ 1673/* ------------------------------------------------------------------------- */
1504/* 1674/*
1505 * Set/Unset tabs 1675 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1676 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1677 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1678 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1679 */
1510void 1680void
1511rxvt_term::scr_set_tab (int mode) 1681rxvt_term::scr_set_tab (int mode) NOTHROW
1512{ 1682{
1513 if (mode < 0) 1683 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1684 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1685 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1686 tabs [screen.cur.col] = !!mode;
1517} 1687}
1518 1688
1519/* ------------------------------------------------------------------------- */ 1689/* ------------------------------------------------------------------------- */
1520/* 1690/*
1521 * Set reverse/normal video 1691 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1692 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1693 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1694 */
1525void 1695void
1526rxvt_term::scr_rvideo_mode (int mode) 1696rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1527{ 1697{
1698 rvideo_mode = on;
1699
1700#ifndef NO_BELL
1701 on ^= rvideo_bell;
1702#endif
1703
1704 if (rvideo_state != on)
1705 {
1706 rvideo_state = on;
1707
1708 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1709#ifdef HAVE_BG_PIXMAP
1710 if (bg_pixmap == None)
1711#endif
1712 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1713
1528 XGCValues gcvalue; 1714 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]; 1715 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1716 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1717 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1718
1546 scr_clear (); 1719 scr_clear ();
1547 scr_touch (true); 1720 scr_touch (true);
1548 } 1721 }
1549} 1722}
1550 1723
1551/* ------------------------------------------------------------------------- */ 1724/* ------------------------------------------------------------------------- */
1552/* 1725/*
1553 * Report current cursor position 1726 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1727 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1728 */
1556void 1729void
1557rxvt_term::scr_report_position () 1730rxvt_term::scr_report_position () NOTHROW
1558{ 1731{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1732 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1733}
1561 1734
1562/* ------------------------------------------------------------------------- * 1735/* ------------------------------------------------------------------------- *
1563 * FONTS * 1736 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1737 * ------------------------------------------------------------------------- */
1565 1738
1566/* 1739/*
1567 * Set font style 1740 * Set font style
1568 */ 1741 */
1569void 1742void
1570rxvt_term::set_font_style () 1743rxvt_term::set_font_style () NOTHROW
1571{ 1744{
1745#if 0
1572 switch (charsets[screen.charset]) { 1746 switch (charsets [screen.charset])
1747 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1748 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1749 break;
1575 case 'A': /* United Kingdom (UK) */ 1750 case 'A': /* United Kingdom (UK) */
1576 break; 1751 break;
1577 case 'B': /* United States (USASCII) */ 1752 case 'B': /* United States (USASCII) */
1578 break; 1753 break;
1579 case '<': /* Multinational character set */ 1754 case '<': /* Multinational character set */
1580 break; 1755 break;
1581 case '5': /* Finnish character set */ 1756 case '5': /* Finnish character set */
1582 break; 1757 break;
1583 case 'C': /* Finnish character set */ 1758 case 'C': /* Finnish character set */
1584 break; 1759 break;
1585 case 'K': /* German character set */ 1760 case 'K': /* German character set */
1586 break; 1761 break;
1587 } 1762 }
1763#endif
1588} 1764}
1589 1765
1590/* ------------------------------------------------------------------------- */ 1766/* ------------------------------------------------------------------------- */
1591/* 1767/*
1592 * Choose a font 1768 * Choose a font
… …
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1770 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1771 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1772 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1773 */
1598void 1774void
1599rxvt_term::scr_charset_choose (int set) 1775rxvt_term::scr_charset_choose (int set) NOTHROW
1600{ 1776{
1601 screen.charset = set; 1777 screen.charset = set;
1602 set_font_style (); 1778 set_font_style ();
1603} 1779}
1604 1780
1605/* ------------------------------------------------------------------------- */ 1781/* ------------------------------------------------------------------------- */
1606/* 1782/*
1607 * Set a font 1783 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1786 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1787 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1788 * See set_font_style for possible values for <C>
1613 */ 1789 */
1614void 1790void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1791rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1616{ 1792{
1617 charsets[set] = (unsigned char)ch; 1793 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1794 set_font_style ();
1619} 1795}
1620 1796
1621 1797
1622/* ------------------------------------------------------------------------- * 1798/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1799 * MAJOR SCREEN MANIPULATION *
… …
1625 1801
1626/* 1802/*
1627 * refresh matching text. 1803 * refresh matching text.
1628 */ 1804 */
1629bool 1805bool
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1806rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1631{ 1807{
1632 bool found = false; 1808 bool found = false;
1633 1809
1634 for (int i = 0; i < TermWin.nrow; i++) 1810 for (int i = 0; i < nrow; i++)
1635 { 1811 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1812 rend_t *drp = drawn_buf[i].r;
1638 1813
1639 for (; col < TermWin.ncol; col++, drp++) 1814 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1815 if ((*drp & mask) == value)
1641 { 1816 {
1642 found = true; 1817 found = true;
1643 *drp = ~value; 1818 *drp = ~value;
1644 } 1819 }
… …
1649 1824
1650/* 1825/*
1651 * Refresh an area 1826 * Refresh an area
1652 */ 1827 */
1653enum { 1828enum {
1654 PART_BEG = 0, 1829 PART_BEG = 0,
1655 PART_END, 1830 PART_END,
1656 RC_COUNT 1831 RC_COUNT
1657}; 1832};
1658 1833
1659void 1834void
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1835rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1661{ 1836{
1662 int i; 1837 int i;
1663 row_col_t rc[RC_COUNT]; 1838 row_col_t rc[RC_COUNT];
1664 1839
1665 if (drawn_text == NULL) /* sanity check */ 1840 if (!drawn_buf) /* sanity check */
1666 return; 1841 return;
1667 1842
1668#ifdef DEBUG_STRICT 1843#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1844 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1845 {
1671 y = max(y, (int)TermWin.int_bwidth); 1846 y = 0;
1672 y = min(y, (int)TermWin.height); 1847 eheight = height;
1848 }
1673#endif 1849#endif
1674 1850
1675/* round down */ 1851 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1852 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1853 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1854 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1855 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1856 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1857
1682/* sanity checks */ 1858 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1859 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1860 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1861 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1862 min_it (rc[i].row, nrow - 1);
1687 } 1863 }
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 1864
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1865 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1866 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)); 1867
1868 num_scr_allow = 0;
1694 1869
1695 if (refresh) 1870 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1871 scr_refresh ();
1697} 1872}
1698 1873
1699/* ------------------------------------------------------------------------- */ 1874/* ------------------------------------------------------------------------- */
1700/* 1875/*
1701 * Refresh the entire screen 1876 * Refresh the entire screen
1702 */ 1877 */
1703void 1878void
1704rxvt_term::scr_touch (bool refresh) 1879rxvt_term::scr_touch (bool refresh) NOTHROW
1705{ 1880{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1881 scr_expose (0, 0, width, height, refresh);
1707} 1882}
1708 1883
1709/* ------------------------------------------------------------------------- */ 1884/* ------------------------------------------------------------------------- */
1710/* 1885/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1886 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1887 * the top of the screen
1713 */ 1888 */
1714int 1889void
1715rxvt_term::scr_move_to (int y, int len) 1890rxvt_term::scr_move_to (int y, int len) NOTHROW
1716{ 1891{
1717 long p = 0; 1892 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} 1893}
1731 1894
1732/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1733/* 1896/*
1734 * Page the screen up/down nlines 1897 * Page the screen up/down nlines
1735 * direction should be UP or DN 1898 * direction should be UP or DN
1736 */ 1899 */
1737int 1900bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1901rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1739{ 1902{
1740 int n; 1903 int new_view_start =
1741 uint16_t oldviewstart; 1904 direction == UP ? view_start - nlines
1905 : view_start + nlines;
1742 1906
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); 1907 return scr_changeview (new_view_start);
1756} 1908}
1757 1909
1758int 1910bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1911rxvt_term::scr_changeview (int new_view_start) NOTHROW
1760{ 1912{
1761 if (TermWin.view_start != oldviewstart) { 1913 clamp_it (new_view_start, top_row, 0);
1914
1915 if (new_view_start == view_start)
1916 return false;
1917
1918 num_scr += new_view_start - view_start;
1919 view_start = new_view_start;
1762 want_refresh = 1; 1920 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 1921
1772/* ------------------------------------------------------------------------- */ 1922 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1923
1774rxvt_term::scr_bell () 1924 return true;
1775{ 1925}
1926
1776#ifndef NO_BELL 1927#ifndef NO_BELL
1928void
1929rxvt_term::bell_cb (ev::timer &w, int revents)
1930{
1931 rvideo_bell = false;
1932 scr_rvideo_mode (rvideo_mode);
1933 refresh_check ();
1934}
1935#endif
1936
1937/* ------------------------------------------------------------------------- */
1938void
1939rxvt_term::scr_bell () NOTHROW
1940{
1941#ifndef NO_BELL
1942
1777# ifndef NO_MAPALERT 1943# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1944# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1945 if (option (Opt_mapAlert))
1780# endif 1946# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1947 XMapWindow (dpy, parent);
1782# endif 1948# endif
1783 if (Options & Opt_visualBell) { 1949
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1950# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1951 if (option (Opt_urgentOnBell))
1786 } else 1952 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1953# endif
1789}
1790 1954
1955 if (option (Opt_visualBell))
1956 {
1957 rvideo_bell = true;
1958 scr_rvideo_mode (rvideo_mode);
1959 flush ();
1960
1961 bell_ev.start (VISUAL_BELL_DURATION);
1962 }
1963 else
1964 XBell (dpy, 0);
1965 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1966#endif
1967}
1968
1791/* ------------------------------------------------------------------------- */ 1969/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */
1793void 1970void
1794rxvt_term::scr_printscreen (int fullhist) 1971rxvt_term::scr_printscreen (int fullhist) NOTHROW
1795{ 1972{
1796#ifdef PRINTPIPE 1973#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1974 int nrows, row_start;
1798 text_t *t; 1975 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1976
1801 if ((fd = popen_printer ()) == NULL) 1977 if (!fd)
1802 return; 1978 return;
1803 nrows = TermWin.nrow; 1979
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1980 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1981 {
1811 1982 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1983 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 1984 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 1985 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 1986 {
1987 nrows = nrow;
1988 row_start = view_start;
1989 }
1990
1991 wctomb (0, 0);
1992
1993 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1994 {
1995 text_t *tp = ROW(r1).t;
1996 int len = ROW(r1).l;
1997
1998 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1999 {
2000 char mb[MB_LEN_MAX];
2001 text_t t = *tp++;
2002 if (t == NOCHAR)
2003 continue;
2004
2005 len = wctomb (mb, t);
2006
2007 if (len <= 0)
2008 {
2009 mb[0] = ' ';
2010 len = 1;
2011 }
2012
2013 fwrite (mb, 1, len, fd);
2014 }
2015
2016 fputc ('\n', fd);
2017 }
2018
1819 pclose_printer (fd); 2019 pclose_printer (fd);
1820#endif 2020#endif
1821} 2021}
1822 2022
1823/* ------------------------------------------------------------------------- */ 2023/* ------------------------------------------------------------------------- */
1824/* 2024/*
1825 * Refresh the screen 2025 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2026 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2027 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2028 */
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 2029void
1840rxvt_term::scr_refresh (unsigned char refresh_type) 2030rxvt_term::scr_refresh () NOTHROW
1841{ 2031{
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 */ 2032 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2033 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2034 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */
1852#ifndef NO_CURSORCOLOR 2035#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2036 rend_t cc1; /* store colours at cursor position (s) */
1854#endif 2037#endif
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2038 rend_t *crp; // cursor rendition pointer
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */ 2039 rend_t ccol1, /* Cursor colour */
2040 ccol2; /* Cursor colour2 */
1857 2041
2042 want_refresh = 0; /* screen is current */
2043
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2044 if (refresh_type == NO_REFRESH || !mapped)
1859 return; 2045 return;
1860 2046
1861 /* 2047 /*
1862 * A: set up vars 2048 * A: set up vars
1863 */ 2049 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0; 2050 refresh_count = 0;
1867 2051
1868 row_offset = TermWin.saveLines - TermWin.view_start; 2052 unsigned int old_screen_flags = screen.flags;
2053 char have_bg = 0;
2054#ifdef HAVE_BG_PIXMAP
2055 have_bg = bg_pixmap != None;
2056#endif
2057 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1869 2058
1870 if ((refresh_type & REFRESH_BOUNDS)) 2059 /*
2060 * B: reverse any characters which are selected
2061 */
2062 scr_reverse_selection ();
2063
2064 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2065#if ENABLE_OVERLAY
2066 scr_swap_overlay ();
2067#endif
2068
2069 char showcursor = screen.flags & Screen_VisibleCursor;
2070
2071 /*
2072 * C: set the cursor character (s)
2073 */
2074 {
2075 unsigned char setoldcursor;
2076
2077#ifdef CURSOR_BLINK
2078 if (hidden_cursor)
2079 showcursor = 0;
2080#endif
2081
2082 if (showcursor)
1871 { 2083 {
1872 clearfirst = clearlast = 1; 2084 int col = screen.cur.col;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875 2085
1876#if defined(XPM_BACKGROUND) 2086 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
1877 must_clear |= (bgPixmap.pixmap != None); 2087 col--;
1878#endif
1879#if defined(TRANSPARENT)
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883 2088
1884 /* 2089 crp = &ROW(screen.cur.row).r[col];
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888 2090
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 2091#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask); 2092 cc1 = *crp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2093 if (ISSET_PIXCOLOR (Color_cursor))
1919 ccol1 = Color_cursor; 2094 ccol1 = Color_cursor;
1920 else 2095 else
2096#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2097#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2098 ccol1 = fgcolor_of (rstyle);
1923#else 2099#else
1924 ccol1 = Color_fg; 2100 ccol1 = Color_fg;
1925#endif 2101#endif
2102
2103#ifndef NO_CURSORCOLOR
1926 if (ISSET_PIXCOLOR (Color_cursor2)) 2104 if (ISSET_PIXCOLOR (Color_cursor2))
1927 ccol2 = Color_cursor2; 2105 ccol2 = Color_cursor2;
1928 else 2106 else
2107#endif
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2108#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle); 2109 ccol2 = bgcolor_of (rstyle);
1931#else 2110#else
1932 ccol2 = Color_bg; 2111 ccol2 = Color_bg;
1933#endif 2112#endif
2113
2114 if (focus)
2115 {
2116 if (option (Opt_cursorUnderline))
2117 *crp ^= RS_Uline;
2118 else
2119 {
2120 *crp ^= RS_RVid;
1934 *srp = SET_FGCOLOR(*srp, ccol1); 2121 *crp = SET_FGCOLOR (*crp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2); 2122 *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 } 2123 }
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 } 2124 }
1963 } 2125 }
2126
2127 /* make sure no outline cursor is left around */
2128 setoldcursor = 0;
2129 if (ocrow != -1)
2130 {
2131 if (screen.cur.row - view_start != ocrow
2132 || screen.cur.col != oldcursor.col)
2133 {
2134 if (ocrow < nrow
2135 && oldcursor.col < ncol)
2136 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2137
2138 if (focus || !showcursor)
2139 oldcursor.row = -1;
2140 else
2141 setoldcursor = 1;
2142 }
1964 } 2143 }
2144 else if (!focus)
2145 setoldcursor = 1;
2146
2147 if (setoldcursor)
2148 {
2149 if (screen.cur.row - view_start >= nrow)
2150 oldcursor.row = -1;
2151 else
2152 {
2153 oldcursor.row = screen.cur.row - view_start;
2154 oldcursor.col = screen.cur.col;
2155 }
2156 }
2157 }
1965 2158
1966#ifndef NO_SLOW_LINK_SUPPORT 2159#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2160 /*
1968 * D: CopyArea pass - very useful for slower links 2161 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2162 * This has been deliberately kept simple.
1970 */ 2163 */
1971 i = num_scr; 2164 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2165 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2166 && abs (num_scr) < nrow && !have_bg)
1974 { 2167 {
1975 int16_t nits; 2168 int16_t nits;
1976 int j; 2169 int i = num_scr;
1977 rend_t *drp2; 2170 int j;
1978 text_t *dtp2; 2171 int len, wlen;
1979 int len, wlen; 2172 dLocal (int, num_scr);
1980 2173
1981 j = TermWin.nrow; 2174 j = nrow;
1982 wlen = len = -1; 2175 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2176 row = i > 0 ? 0 : j - 1;
2177
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2178 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2179 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2180 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2181 {
1988 stp = screen.text[row + row_offset]; 2182 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2183 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2184 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2185
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2186 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2187 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2188 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2189 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2190 nits++;
2000 2191
2001 if (nits > 8) /* XXX: arbitrary choice */ 2192 if (nits > 8) /* XXX: arbitrary choice */
2193 {
2194 for (col = ncol; col--; )
2195 {
2196 *d.t++ = *d2.t++;
2197 *d.r++ = *d2.r++;
2198 }
2199
2200 if (len == -1)
2201 len = row;
2202
2203 wlen = row;
2204 continue;
2205 }
2206 }
2207
2208 if (len >= 0)
2209 {
2210 /* also comes here at end if needed because of >= above */
2211 if (wlen < len)
2212 ::swap (wlen, len);
2213
2214 XGCValues gcv;
2215
2216 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2217 XCopyArea (dpy, vt, vt,
2218 gc, 0, Row2Pixel (len + i),
2219 (unsigned int)this->width,
2220 (unsigned int)Height2Pixel (wlen - len + 1),
2221 0, Row2Pixel (len));
2222 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2223
2224 len = -1;
2225 }
2226 }
2227 }
2228#endif
2229
2230 /*
2231 * E: main pass across every character
2232 */
2233 for (row = 0; row < nrow; row++)
2234 {
2235 text_t *stp = ROW(view_start + row).t;
2236 rend_t *srp = ROW(view_start + row).r;
2237 text_t *dtp = drawn_buf[row].t;
2238 rend_t *drp = drawn_buf[row].r;
2239
2240 /*
2241 * E2: OK, now the real pass
2242 */
2243 int ypixel = (int)Row2Pixel (row);
2244
2245 for (col = 0; col < ncol; col++)
2246 {
2247 /* compare new text with old - if exactly the same then continue */
2248 if (stp[col] == dtp[col] /* Must match characters to skip. */
2249 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2250 || (stp[col] == ' ' /* space w/ no background change */
2251 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2252 continue;
2253
2254 // redraw one or more characters
2255
2256 // seek to the beginning of wide characters
2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2258 --col;
2259
2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2261 text_t *text = stp + col;
2262 int count = 1;
2263
2264 dtp[col] = stp[col];
2265 drp[col] = rend;
2266
2267 int xpixel = Col2Pixel (col);
2268
2269 for (i = 0; ++col < ncol; )
2270 {
2271 if (stp[col] == NOCHAR)
2272 {
2273 dtp[col] = stp[col];
2274 drp[col] = srp[col];
2275
2276 count++;
2277 i++;
2278
2279 continue;
2280 }
2281
2282 if (!RS_SAME (rend, srp[col]))
2283 break;
2284
2285 count++;
2286
2287 if (stp[col] != dtp[col]
2288 || !RS_SAME (srp[col], drp[col]))
2289 {
2290 if (have_bg && (i++ > count / 2))
2291 break;
2292
2293 dtp[col] = stp[col];
2294 drp[col] = rend;
2295 i = 0;
2296 }
2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2298 break;
2299 }
2300
2301 col--; /* went one too far. move back */
2302 count -= i; /* dump any matching trailing chars */
2303
2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2306 count++, i--;
2307
2308 /*
2309 * Determine the attributes for the string
2310 */
2311 int fore = fgcolor_of (rend); // desired foreground
2312 int back = bgcolor_of (rend); // desired background
2313
2314 // only do special processing if any attributes are set, which is unlikely
2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2316 {
2317 bool invert = rend & RS_RVid;
2318
2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2320 if (rend & RS_Bold && fore == Color_fg)
2321 {
2322 if (ISSET_PIXCOLOR (Color_BD))
2323 fore = Color_BD;
2324# if !ENABLE_STYLES
2325 else
2326 invert = !invert;
2327# endif
2328 }
2329
2330 if (rend & RS_Italic && fore == Color_fg)
2331 {
2332 if (ISSET_PIXCOLOR (Color_IT))
2333 fore = Color_IT;
2334# if !ENABLE_STYLES
2335 else
2336 invert = !invert;
2337# endif
2338 }
2339
2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2341 fore = Color_UL;
2342#endif
2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2362#endif
2363
2364 if (invert)
2365 {
2366 ::swap (fore, back);
2367
2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2369 if (fore == back)
2370 {
2371 fore = Color_bg;
2372 back = Color_fg;
2373 }
2374#endif
2375 }
2376
2377#ifdef TEXT_BLINK
2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2379 {
2380 if (!text_blink_ev.is_active ())
2381 {
2382 text_blink_ev.again ();
2383 hidden_text = 0;
2384 }
2385 else if (hidden_text)
2386 fore = back;
2387 }
2388#endif
2389
2390#if ENABLE_STYLES
2391 // "careful" (too wide) character handling
2392
2393 // include previous careful character(s) if possible, looks nicer (best effort...)
2394 while (text > stp
2395 && srp[text - stp - 1] & RS_Careful
2396 && RS_SAME (rend, srp[text - stp - 1]))
2397 text--, count++, xpixel -= fwidth;
2398
2399 // force redraw after "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2401 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2402
2403 // force redraw before "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2405 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2406#endif
2407 }
2408
2409 /*
2410 * Actually do the drawing of the string here
2411 */
2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2413
2414 if (ecb_likely (have_bg && back == Color_bg))
2415 {
2416 // this is very ugly, maybe push it into ->draw?
2417
2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2419 if (text[i] != ' ')
2002 { 2420 {
2003 for (col = TermWin.ncol; col--; ) 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2422 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 } 2423 }
2424
2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2015 } 2427 }
2428 else
2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2430
2017 if (len != -1) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2432 {
2019 /* also comes here at end if needed because of >= above */ 2433#if ENABLE_FRILLS
2020 if (wlen < len) 2434 if (ISSET_PIXCOLOR (Color_underline))
2021 SWAP_IT(wlen, len, int); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2436 else
2437#endif
2438 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2439
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2440 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2441 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2442 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 } 2443 }
2031 } 2444 } /* for (col....) */
2032 } 2445 } /* for (row....) */
2033#endif
2034 2446
2035 /* 2447 /*
2036 * E: main pass across every character 2448 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2449 */
2038 for (row = 0; row < TermWin.nrow; row++) 2450 if (showcursor)
2039 { 2451 {
2040 stp = screen.text[row + row_offset]; 2452 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 { 2453 {
2052 /* compare new text with old - if exactly the same then continue */ 2454 if (option (Opt_cursorUnderline))
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2455 *crp ^= RS_Uline;
2054 2456 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 { 2457 {
2078 if (stp[col] == NOCHAR) 2458 *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 2459#ifndef NO_CURSORCOLOR
2460 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2461#endif
2462 }
2463 }
2464 else if (oldcursor.row >= 0)
2465 {
2466 int cursorwidth = 1;
2467 int col = oldcursor.col;
2468
2469 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2470 col--;
2471
2472 while (col + cursorwidth < ncol
2473 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2474 cursorwidth++;
2475
2476#ifndef NO_CURSORCOLOR
2141 && !ISSET_PIXCOLOR (Color_cursor) 2477 if (ISSET_PIXCOLOR (Color_cursor))
2478 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2479 else
2480#endif
2481 XSetForeground (dpy, gc, pix_colors[ccol1]);
2482
2483 XDrawRectangle (dpy, vt, gc,
2484 Col2Pixel (col),
2485 Row2Pixel (oldcursor.row),
2486 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2487 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2488 }
2489 }
2490
2491 /*
2492 * H: cleanup selection
2493 */
2494#if ENABLE_OVERLAY
2495 scr_swap_overlay ();
2496#endif
2497 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2498
2499 scr_reverse_selection ();
2500
2501 screen.flags = old_screen_flags;
2502 num_scr = 0;
2503 num_scr_allow = 1;
2504}
2505
2506void
2507rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2508{
2509 if (!l.t)
2510 return;
2511
2512 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2513
2514 for (int i = ncol; i--; )
2515 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2516}
2517
2518void
2519rxvt_term::scr_remap_chars () NOTHROW
2520{
2521 for (int i = total_rows; i--; )
2522 scr_remap_chars (row_buf [i]);
2523
2524 for (int i = nrow; i--; )
2525 {
2526 scr_remap_chars (drawn_buf [i]);
2527 scr_remap_chars (swap_buf [i]);
2528 }
2529}
2530
2531void
2532rxvt_term::scr_recolour (bool refresh) NOTHROW
2533{
2534 bool transparent = false;
2535
2536#ifdef HAVE_BG_PIXMAP
2537 if (bg_pixmap != None)
2538 {
2539# ifdef ENABLE_TRANSPARENCY
2540 if (bg_flags & BG_IS_TRANSPARENT)
2541 {
2542 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2543 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2544
2545 transparent = true;
2546 }
2547 else
2142# endif 2548# 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 == Color_bg)
2168 {
2169 if (must_clear)
2170 {
2171 for (i = 0; i < count; i++) /* don't draw empty strings */
2172 if (text[i] != ' ')
2173 {
2174 font->draw (xpixel, ypixel, text, count, fore, -1);
2175 goto nodraw;
2176 }
2177
2178 CLEAR_CHARS (xpixel, ypixel, count);
2179nodraw: ;
2180 }
2181 else
2182 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, back);
2186
2187 if ((rend & RS_Uline) && (font->descent > 1))
2188 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2189 xpixel, ypixel + font->ascent + 1,
2190 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2191 } /* for (col....) */
2192 } /* for (row....) */
2193
2194 /*
2195 * G: cleanup cursor and display outline cursor if necessary
2196 */
2197 if (showcursor) {
2198 if (TermWin.focus) {
2199 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2200 [screen.cur.col]);
2201 *srp ^= RS_RVid;
2202#ifndef NO_CURSORCOLOR
2203 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2204#endif
2205 } else if (oldcursor.row >= 0) {
2206#ifndef NO_CURSORCOLOR
2207 if (ISSET_PIXCOLOR (Color_cursor))
2208 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2209#endif
2210 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2211 Col2Pixel(oldcursor.col),
2212 Row2Pixel(oldcursor.row),
2213 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2214 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2215 } 2549 {
2216 } 2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2217 2551 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2218 /*
2219 * H: cleanup selection
2220 */
2221 scr_reverse_selection ();
2222
2223 /*
2224 * I: other general cleanup
2225 */
2226 if (clearfirst && TermWin.int_bwidth)
2227 /* 2552 }
2228 * clear the whole screen height, note that width == 0 is treated 2553 }
2229 * specially by XClearArea 2554 else
2230 */ 2555#endif
2231 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2556 {
2232 (unsigned int)TermWin.int_bwidth, 2557 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2233 (unsigned int)TermWin_TotalHeight(), False); 2558 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2234 if (clearlast && TermWin.int_bwidth) 2559 }
2235 /*
2236 * clear the whole screen height, note that width == 0 is treated
2237 * specially by XClearArea
2238 */
2239 XClearArea(Xdisplay, TermWin.vt,
2240 TermWin.width + TermWin.int_bwidth, 0,
2241 (unsigned int)TermWin.int_bwidth,
2242 (unsigned int)TermWin_TotalHeight(), False);
2243 if (refresh_type & SMOOTH_REFRESH)
2244 XSync(Xdisplay, False);
2245 2560
2246 num_scr = 0; 2561 XClearWindow (dpy, parent);
2247 num_scr_allow = 1;
2248 want_refresh = 0; /* screen is current */
2249}
2250 2562
2563 if (scrollBar.win)
2564 {
2565 if (transparent)
2566 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2567 else
2568 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2569 scrollBar.state = STATE_IDLE;
2570 scrollBar.show (0);
2571 }
2572
2573 if (refresh)
2574 {
2575 scr_clear ();
2576 scr_touch (true);
2577 }
2578 want_refresh = 1;
2579}
2580
2251/* ------------------------------------------------------------------------- */ 2581/* ------------------------------------------------------------------------- */
2252void 2582void
2253rxvt_term::scr_clear() 2583rxvt_term::scr_clear (bool really) NOTHROW
2254{ 2584{
2255 if (!TermWin.mapped) 2585 if (!mapped)
2256 return; 2586 return;
2257 2587
2258 num_scr_allow = 0; 2588 num_scr_allow = 0;
2259 want_refresh = 1; 2589 want_refresh = 1;
2260#ifdef TRANSPARENT 2590
2261 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2591 if (really)
2592 XClearWindow (dpy, vt);
2593}
2594
2595void
2596rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2597{
2598 int view_end = view_start + nrow;
2599 int row, col;
2600
2601 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2602 {
2603 text_t *stp = ROW(row).t;
2604 rend_t *srp = ROW(row).r;
2605
2606 for (col = beg_col; col < end_col; col++)
2607 srp[col] ^= rstyle1;
2608
2609 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2610 srp[col] ^= rstyle2;
2611
2612 if (++col < end_col)
2613 srp[col] ^= rstyle2;
2262 { 2614 }
2263 int i; 2615}
2264 2616
2265 if (!(Options & Opt_transparent_all)) 2617void
2618rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2619{
2620 int view_end = view_start + nrow;
2621 int row, col;
2622
2623 if (beg_row >= view_start)
2624 {
2625 col = beg_col;
2626 row = beg_row;
2627 }
2628 else
2629 {
2266 i = 0; 2630 col = 0;
2631 row = view_start;
2632 }
2633
2634 for (; row < min (end_row, view_end); row++, col = 0)
2635 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2636 srp[col] ^= rstyle;
2637
2638 if (row == end_row)
2639 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2640 srp[col] ^= rstyle;
2641}
2642
2643/* ------------------------------------------------------------------------- */
2644void
2645rxvt_term::scr_reverse_selection () NOTHROW
2646{
2647 if (selection.op
2648 && current_screen == selection.screen
2649 && selection.end.row >= view_start)
2650 {
2651#if !ENABLE_MINIMAL
2652 if (selection.rect)
2653 scr_xor_rect (selection.beg.row, selection.beg.col,
2654 selection.end.row, selection.end.col,
2655 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2267 else 2656 else
2268 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2269
2270 while (i--)
2271 if (TermWin.parent[i] != None)
2272 XClearWindow(Xdisplay, TermWin.parent[i]);
2273 }
2274#endif 2657#endif
2275 2658 scr_xor_span (selection.beg.row, selection.beg.col,
2276 XClearWindow (Xdisplay, TermWin.vt); 2659 selection.end.row, selection.end.col,
2277} 2660 RS_Sel | RS_RVid);
2278
2279/* ------------------------------------------------------------------------- */
2280void
2281rxvt_term::scr_reverse_selection ()
2282{
2283 int i, col, row, end_row;
2284 rend_t *srp;
2285
2286 if (selection.op && current_screen == selection.screen) {
2287 end_row = TermWin.saveLines - TermWin.view_start;
2288 i = selection.beg.row + TermWin.saveLines;
2289 row = selection.end.row + TermWin.saveLines;
2290 if (i >= end_row)
2291 col = selection.beg.col;
2292 else {
2293 col = 0;
2294 i = end_row;
2295 }
2296 end_row += TermWin.nrow;
2297 for (; i < row && i < end_row; i++, col = 0)
2298 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2299 srp[col] ^= RS_RVid;
2300 if (i == row && i < end_row)
2301 for (srp = screen.rend[i]; col < selection.end.col; col++)
2302 srp[col] ^= RS_RVid;
2303 } 2661 }
2304} 2662}
2305 2663
2306/* ------------------------------------------------------------------------- */ 2664/* ------------------------------------------------------------------------- */
2307/* 2665/*
2308 * Dump the whole scrollback and screen to the passed filedescriptor. The 2666 * Dump the whole scrollback and screen to the passed filedescriptor. The
2309 * invoking routine must close the fd. 2667 * invoking routine must close the fd.
2310 */ 2668 */
2311#if 0 2669#if 0
2312void 2670void
2313rxvt_term::scr_dump (int fd) 2671rxvt_term::scr_dump (int fd) NOTHROW
2314{ 2672{
2315 int row, wrote; 2673 int row, wrote;
2316 unsigned int width, towrite; 2674 unsigned int width, towrite;
2317 char r1[] = "\n"; 2675 const char r1[] = "\n";
2318 2676
2319 for (row = TermWin.saveLines - TermWin.nscrolled; 2677 for (row = saveLines + top_row;
2320 row < TermWin.saveLines + TermWin.nrow - 1; row++) { 2678 row < saveLines + nrow - 1; row++)
2321 width = screen.tlen[row] >= 0 ? screen.tlen[row] 2679 {
2322 : TermWin.ncol; 2680 width = row_buf[row].l >= 0 ? row_buf[row].l
2681 : ncol;
2323 for (towrite = width; towrite; towrite -= wrote) { 2682 for (towrite = width; towrite; towrite -= wrote)
2683 {
2324 wrote = write(fd, &(screen.text[row][width - towrite]), 2684 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2325 towrite); 2685 towrite);
2326 if (wrote < 0) 2686 if (wrote < 0)
2327 return; /* XXX: death, no report */ 2687 return; /* XXX: death, no report */
2328 } 2688 }
2329 if (screen.tlen[row] >= 0) 2689 if (row_buf[row].l >= 0)
2330 if (write(fd, r1, 1) <= 0) 2690 if (write (fd, r1, 1) <= 0)
2331 return; /* XXX: death, no report */ 2691 return; /* XXX: death, no report */
2332 } 2692 }
2333} 2693}
2334#endif 2694#endif
2335 2695
2336/* ------------------------------------------------------------------------- * 2696/* ------------------------------------------------------------------------- *
2337 * CHARACTER SELECTION * 2697 * CHARACTER SELECTION *
2338 * ------------------------------------------------------------------------- */ 2698 * ------------------------------------------------------------------------- */
2339
2340/*
2341 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2342 */
2343void 2699void
2344rxvt_term::selection_check (int check_more) 2700rxvt_term::selection_check (int check_more) NOTHROW
2345{ 2701{
2346 row_col_t pos; 2702 row_col_t pos;
2347 2703
2348 if (!selection.op) 2704 if (!selection.op)
2349 return; 2705 return;
2350 2706
2351 pos.row = pos.col = 0; 2707 pos.row = pos.col = 0;
2352 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2708 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2353 || (selection.beg.row >= TermWin.nrow) 2709 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2354 || (selection.mark.row < -(int32_t)TermWin.nscrolled) 2710 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2355 || (selection.mark.row >= TermWin.nrow)
2356 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2357 || (selection.end.row >= TermWin.nrow)
2358 || (check_more == 1 2711 || (check_more == 1
2359 && current_screen == selection.screen 2712 && current_screen == selection.screen
2360 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2713 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2361 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2714 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2362 || (check_more == 2 2715 || (check_more == 2
2363 && ROWCOL_IS_BEFORE(selection.beg, pos) 2716 && ROWCOL_IS_BEFORE (selection.beg, pos)
2364 && ROWCOL_IS_AFTER(selection.end, pos)) 2717 && ROWCOL_IS_AFTER (selection.end, pos))
2365 || (check_more == 3 2718 || (check_more == 3
2366 && ROWCOL_IS_AFTER(selection.end, pos)) 2719 && ROWCOL_IS_AFTER (selection.end, pos))
2367 || (check_more == 4 /* screen width change */ 2720 || (check_more == 4 /* screen width change */
2368 && (selection.beg.row != selection.end.row 2721 && (selection.beg.row != selection.end.row
2369 || selection.end.col > TermWin.ncol))) 2722 || selection.end.col > ncol)))
2370 CLEAR_SELECTION(); 2723 CLEAR_SELECTION ();
2371} 2724}
2372 2725
2373/* ------------------------------------------------------------------------- */ 2726/* ------------------------------------------------------------------------- */
2374/* 2727/*
2375 * Paste a selection direct to the command fd 2728 * Paste a selection direct to the command fd
2376 */ 2729 */
2377void 2730void
2378rxvt_term::paste (const unsigned char *data, unsigned int len) 2731rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2379{ 2732{
2380 unsigned int i, j, n;
2381 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2382
2383#if 0
2384 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2385 ZERO_SCROLLBACK (r);
2386#endif
2387
2388 /* convert normal newline chars into common keyboard Return key sequence */ 2733 /* convert normal newline chars into common keyboard Return key sequence */
2389 for (i = 0; i < len; i += PROP_SIZE) 2734 for (unsigned int i = 0; i < len; i++)
2390 { 2735 if (data[i] == C0_LF)
2391 n = min (len - i, PROP_SIZE); 2736 data[i] = C0_CR;
2392 MEMCPY (ds, data + i, n);
2393 2737
2394 for (j = 0; j < n; j++) 2738 if (priv_modes & PrivMode_BracketPaste)
2395 if (ds[j] == '\n') 2739 tt_printf ("\e[200~");
2396 ds[j] = '\r';
2397 2740
2398 tt_write (ds, (int)n); 2741 tt_write (data, len);
2399 }
2400 2742
2401 free(ds); 2743 if (priv_modes & PrivMode_BracketPaste)
2744 tt_printf ("\e[201~");
2402} 2745}
2403 2746
2404/* ------------------------------------------------------------------------- */ 2747void
2405/* 2748rxvt_term::paste (char *data, unsigned int len) NOTHROW
2406 * Respond to a notification that a primary selection has been sent
2407 * EXT: SelectionNotify
2408 */
2409int
2410rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2411{ 2749{
2412 long nread = 0; 2750 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2413 unsigned long bytes_after;
2414 XTextProperty ct;
2415
2416 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2417
2418 if (prop == None) /* check for failed XConvertSelection */
2419 {
2420 if ((selection_type & Sel_CompoundText))
2421 {
2422 int selnum = selection_type & Sel_whereMask;
2423
2424 selection_type = 0;
2425 if (selnum != Sel_direct)
2426 selection_request_other (XA_STRING, selnum);
2427 }
2428
2429 if ((selection_type & Sel_UTF8String))
2430 {
2431 int selnum = selection_type & Sel_whereMask;
2432
2433 selection_type = Sel_CompoundText;
2434 if (selnum != Sel_direct)
2435 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2436 else
2437 selection_type = 0;
2438 }
2439
2440 return 0; 2751 return;
2441 }
2442 2752
2443 for (;;) 2753 tt_paste (data, len);
2444 {
2445 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2446 (long)(PROP_SIZE / 4), delete_prop,
2447 AnyPropertyType, &ct.encoding, &ct.format,
2448 &ct.nitems, &bytes_after,
2449 &ct.value) != Success)
2450 break;
2451
2452 if (ct.encoding == 0)
2453 {
2454 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2455 break;
2456 }
2457
2458 if (ct.value == NULL)
2459 {
2460 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2461 continue;
2462 }
2463
2464 if (ct.nitems == 0)
2465 {
2466 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2467 if (selection_wait == Sel_normal && nread == 0)
2468 {
2469 /*
2470 * pass through again trying CUT_BUFFER0 if we've come from
2471 * XConvertSelection() but nothing was presented
2472 */
2473 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2474 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2475 }
2476
2477 nread = -1; /* discount any previous stuff */
2478 break;
2479 }
2480
2481 nread += ct.nitems;
2482
2483 char **cl;
2484 int cr;
2485 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2486 &cr) >= 0 && cl)
2487 {
2488 for (int i = 0; i < cr; i++)
2489 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2490
2491 XFreeStringList (cl);
2492 }
2493 else
2494 paste (ct.value, ct.nitems);
2495
2496 if (bytes_after == 0)
2497 break;
2498
2499 XFree (ct.value);
2500 }
2501
2502 if (ct.value)
2503 XFree (ct.value);
2504
2505 if (selection_wait == Sel_normal)
2506 selection_wait = Sel_none;
2507
2508 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2509 return (int)nread;
2510} 2754}
2511 2755
2512void
2513rxvt_term::incr_cb (time_watcher &w)
2514{
2515 selection_wait = Sel_none;
2516
2517 rxvt_print_error ("data loss: timeout on INCR selection paste");
2518}
2519
2520/*
2521 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2522 */
2523void
2524rxvt_term::selection_property (Window win, Atom prop)
2525{
2526 int reget_time = 0;
2527
2528 if (prop == None)
2529 return;
2530 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2531 if (selection_wait == Sel_normal) {
2532 int a, afmt;
2533 Atom atype;
2534 unsigned long bytes_after, nitems;
2535 unsigned char *s = NULL;
2536
2537 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2538 xa[XA_INCR], &atype, &afmt, &nitems,
2539 &bytes_after, &s);
2540 if (s)
2541 XFree(s);
2542 if (a != Success)
2543 return;
2544#ifndef __CYGWIN32__
2545 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2546 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2547 XDeleteProperty(Xdisplay, win, prop);
2548 XFlush(Xdisplay);
2549 reget_time = 1;
2550 selection_wait = Sel_incr;
2551 }
2552#endif
2553 } else if (selection_wait == Sel_incr) {
2554 reget_time = 1;
2555 if (selection_paste (win, prop, True) == -1) {
2556 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2557 selection_wait = Sel_none;
2558 incr_ev.stop ();
2559 }
2560 }
2561 if (reget_time) /* received more data so reget time */
2562 incr_ev.start (NOW + 10);
2563}
2564/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2565/* 2757/*
2566 * Request the current selection: 2758 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2567 * Order: > internal selection if available 2759 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2568 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2760 * as fallback
2569 * > CUT_BUFFER0
2570 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2571 * will auto fallback to CUT_BUFFER0
2572 * EXT: button 2 release 2761 * EXT: button 2 release
2573 */ 2762 */
2574void 2763void
2575rxvt_term::selection_request (Time tm, int x, int y) 2764rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2576{ 2765{
2577 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2766 if (!selection_req)
2578 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2579 return; /* outside window */
2580
2581 if (selection.text != NULL) { /* internal selection */
2582 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2583 paste (selection.text, selection.len);
2584 return;
2585 } else {
2586 int i;
2587
2588 selection_request_time = tm;
2589 selection_wait = Sel_normal;
2590 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2591#if X_HAVE_UTF8_STRING
2592 selection_type = Sel_UTF8String;
2593 if (selection_request_other (xa[XA_UTF8_STRING], i))
2594 return;
2595#else
2596 selection_type = Sel_CompoundText;
2597 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2598 return;
2599#endif
2600 }
2601 } 2767 {
2602 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2768 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2603 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2769 selection_req->run ();
2604 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2605}
2606
2607int
2608rxvt_term::selection_request_other (Atom target, int selnum)
2609{
2610 Atom sel;
2611#ifdef DEBUG_SELECT
2612 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2613#endif
2614
2615 selection_type |= selnum;
2616 if (selnum == Sel_Primary)
2617 sel = XA_PRIMARY;
2618 else if (selnum == Sel_Secondary)
2619 sel = XA_SECONDARY;
2620 else
2621 sel = xa[XA_CLIPBOARD];
2622 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2623 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2624 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2625 TermWin.vt, selection_request_time);
2626 return 1;
2627 } 2770 }
2628 return 0;
2629} 2771}
2630 2772
2631/* ------------------------------------------------------------------------- */ 2773/* ------------------------------------------------------------------------- */
2632/* 2774/*
2633 * Clear all selected text 2775 * Clear all selected text
2634 * EXT: SelectionClear 2776 * EXT: SelectionClear
2635 */ 2777 */
2636void 2778void
2637rxvt_term::selection_clear () 2779rxvt_term::selection_clear (bool clipboard) NOTHROW
2638{ 2780{
2639 D_SELECT((stderr, "rxvt_selection_clear()")); 2781 if (!clipboard)
2640 2782 {
2641 want_refresh = 1; 2783 want_refresh = 1;
2642 if (selection.text)
2643 free(selection.text); 2784 free (selection.text);
2644 selection.text = NULL; 2785 selection.text = NULL;
2645 selection.len = 0; 2786 selection.len = 0;
2646 CLEAR_SELECTION(); 2787 CLEAR_SELECTION ();
2788
2789 if (display->selection_owner == this)
2790 display->selection_owner = 0;
2791 }
2792 else
2793 {
2794 free (selection.clip_text);
2795 selection.clip_text = NULL;
2796 selection.clip_len = 0;
2797
2798 if (display->clipboard_owner == this)
2799 display->clipboard_owner = 0;
2800 }
2647} 2801}
2648 2802
2649/* ------------------------------------------------------------------------- */ 2803/* ------------------------------------------------------------------------- */
2650/* 2804/*
2651 * Copy a selection into the cut buffer 2805 * Copy a selection into the cut buffer
2652 * EXT: button 1 or 3 release 2806 * EXT: button 1 or 3 release
2653 */ 2807 */
2654void 2808void
2655rxvt_term::selection_make (Time tm) 2809rxvt_term::selection_make (Time tm)
2656{ 2810{
2657 int i, col, end_col, row, end_row; 2811 int size;
2658 unsigned char *new_selection_text; 2812 wchar_t *new_selection_text;
2659 char *str; 2813 text_t *t;
2660 text_t *t;
2661#ifdef ACS_ASCII
2662 rend_t *re;
2663#endif
2664 2814
2665 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2666 switch (selection.op) { 2815 switch (selection.op)
2816 {
2667 case SELECTION_CONT: 2817 case SELECTION_CONT:
2668 break; 2818 break;
2669 case SELECTION_INIT: 2819 case SELECTION_INIT:
2670 CLEAR_SELECTION(); 2820 CLEAR_SELECTION ();
2671 /* FALLTHROUGH */ 2821 /* FALLTHROUGH */
2672 case SELECTION_BEGIN: 2822 case SELECTION_BEGIN:
2673 selection.op = SELECTION_DONE; 2823 selection.op = SELECTION_DONE;
2674 /* FALLTHROUGH */ 2824 /* FALLTHROUGH */
2675 default: 2825 default:
2676 return; 2826 return;
2677 } 2827 }
2828
2678 selection.op = SELECTION_DONE; 2829 selection.op = SELECTION_DONE;
2679 2830
2680 if (selection.clicks == 4) 2831 if (selection.clicks == 4)
2681 return; /* nothing selected, go away */ 2832 return; /* nothing selected, go away */
2682 2833
2834 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2835 return;
2836
2683 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2837 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2684 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2838 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2685 2839
2686 new_selection_text = (unsigned char *)str; 2840 int ofs = 0;
2841 int extra = 0;
2687 2842
2688 col = selection.beg.col; 2843 int col = selection.beg.col;
2689 MAX_IT(col, 0); 2844 int row = selection.beg.row;
2690 row = selection.beg.row + TermWin.saveLines;
2691 end_row = selection.end.row + TermWin.saveLines;
2692 2845
2846 int end_col;
2847
2693 for (; row <= end_row; row++, col = 0) 2848 for (; row <= selection.end.row; row++, col = 0)
2849 {
2850#if !ENABLE_MINIMAL
2851 if (selection.rect)
2694 { 2852 {
2695 t = &(screen.text[row][col]); 2853 col = selection.beg.col;
2696
2697 end_col = screen.tlen[row];
2698
2699 if (end_col == -1)
2700 end_col = TermWin.ncol; 2854 end_col = selection.end.col;
2855 }
2856 else
2857#endif
2858 end_col = ROW(row).l;
2701 2859
2860 col = max (col, 0);
2861
2702 if (row == end_row) 2862 if (row == selection.end.row)
2703 MIN_IT (end_col, selection.end.col); 2863 min_it (end_col, selection.end.col);
2704 2864
2865 t = ROW(row).t + col;
2866
2705 for (; col < end_col; col++) 2867 for (; col < end_col; col++)
2868 {
2706 if (*t == NOCHAR) 2869 if (*t == NOCHAR)
2707 t++; 2870 t++;
2871#if ENABLE_COMBINING
2872 else if (IS_COMPOSE (*t))
2873 {
2874 int len = rxvt_composite.expand (*t, 0);
2875
2876 extra -= (len - 1);
2877
2878 if (extra < 0)
2879 {
2880 extra += size;
2881 size += size;
2882 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2883 }
2884
2885 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2886 }
2887#endif
2708 else 2888 else
2709 { 2889 new_selection_text[ofs++] = *t++;
2710 int len = wctomb (str, *t++);
2711 if (len > 0)
2712 str += len;
2713 }
2714
2715 if (screen.tlen[row] != -1 && row != end_row)
2716 *str++ = '\n';
2717 }
2718
2719#ifndef NO_OLD_SELECTION
2720 if (selection_style == OLD_SELECT)
2721 if (end_col == TermWin.ncol)
2722 *str++ = '\n';
2723#endif
2724#ifndef NO_NEW_SELECTION
2725 if (selection_style != OLD_SELECT)
2726 if (end_col != selection.end.col)
2727 *str++ = '\n';
2728#endif
2729 *str = '\0';
2730
2731 i = str - (char *)new_selection_text;
2732 if (i == 0)
2733 {
2734 free (new_selection_text);
2735 return;
2736 }
2737
2738 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2739 if (str - (char *)new_selection_text > 1024)
2740 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2741
2742 selection.len = i;
2743
2744 if (selection.text)
2745 free (selection.text);
2746
2747 selection.text = new_selection_text;
2748
2749 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2750 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2751 rxvt_print_error("can't get primary selection");
2752
2753
2754 {
2755 XTextProperty ct;
2756 char *cl = (char *)selection.text;
2757
2758 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2759 { 2890 }
2760 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2891
2761 PropModeReplace, ct.value, ct.nitems); 2892#if !ENABLE_MINIMAL
2762 XFree (ct.value); 2893 if (selection.rect)
2894 {
2895 while (ofs
2896 && new_selection_text[ofs - 1] != C0_LF
2897 && unicode::is_space (new_selection_text[ofs - 1]))
2898 --ofs;
2899
2900 new_selection_text[ofs++] = C0_LF;
2763 } 2901 }
2764 else 2902 else
2765 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2903#endif
2766 PropModeReplace, selection.text, (int)selection.len); 2904 if (!ROW(row).is_longer ()
2905 && (row != selection.end.row || end_col != selection.end.col)
2906 && (row != selection.beg.row || selection.beg.col < ncol))
2907 new_selection_text[ofs++] = C0_LF;
2908 }
2909
2910 new_selection_text[ofs] = 0;
2911
2912 if (ofs == 0)
2767 } 2913 {
2914 free (new_selection_text);
2915 return;
2916 }
2768 2917
2918 free (selection.text);
2919
2920 // we usually allocate much more than necessary, so realloc it smaller again
2921 selection.len = ofs;
2922 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2923
2924 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2925 return;
2926
2927 selection_grab (tm);
2928}
2929
2930bool
2931rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2932{
2933 Atom sel;
2934
2935 if (!clipboard)
2936 {
2769 selection_time = tm; 2937 selection_time = tm;
2770 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2938 sel = XA_PRIMARY;
2939 }
2940 else
2941 {
2942 clipboard_time = tm;
2943 sel = xa[XA_CLIPBOARD];
2944 }
2945
2946 XSetSelectionOwner (dpy, sel, vt, tm);
2947 if (XGetSelectionOwner (dpy, sel) == vt)
2948 {
2949 display->set_selection_owner (this, clipboard);
2950 return true;
2951 }
2952 else
2953 {
2954 selection_clear (clipboard);
2955 return false;
2956 }
2957
2958#if 0
2959 XTextProperty ct;
2960
2961 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2962 {
2963 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2964 XFree (ct.value);
2965 }
2966#endif
2771} 2967}
2772 2968
2773/* ------------------------------------------------------------------------- */ 2969/* ------------------------------------------------------------------------- */
2774/* 2970/*
2775 * Mark or select text based upon number of clicks: 1, 2, or 3 2971 * Mark or select text based upon number of clicks: 1, 2, or 3
2776 * EXT: button 1 press 2972 * EXT: button 1 press
2777 */ 2973 */
2778void 2974void
2779rxvt_term::selection_click (int clicks, int x, int y) 2975rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2780{ 2976{
2781 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2782
2783 clicks = ((clicks - 1) % 3) + 1; 2977 clicks = ((clicks - 1) % 3) + 1;
2784 selection.clicks = clicks; /* save clicks so extend will work */ 2978 selection.clicks = clicks; /* save clicks so extend will work */
2785 2979
2980 if (clicks == 2 && !selection.rect
2981 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2982 {
2983 MEvent.clicks = 1; // what a mess
2984 selection.screen = current_screen;
2985 selection.op = SELECTION_CONT;
2986 return;
2987 }
2988
2786 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2989 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2787 2990
2788 if (clicks == 2 || clicks == 3) 2991 if (clicks == 2 || clicks == 3)
2789 selection_extend_colrow (selection.mark.col, 2992 selection_extend_colrow (selection.mark.col,
2790 selection.mark.row + TermWin.view_start, 2993 selection.mark.row - view_start,
2791 0, /* button 3 */ 2994 0, /* button 3 */
2792 1, /* button press */ 2995 1, /* button press */
2793 0); /* click change */ 2996 0); /* click change */
2794} 2997}
2795 2998
2796/* ------------------------------------------------------------------------- */ 2999/* ------------------------------------------------------------------------- */
2797/* 3000/*
2798 * Mark a selection at the specified col/row 3001 * Mark a selection at the specified col/row
2799 */ 3002 */
2800void 3003void
2801rxvt_term::selection_start_colrow (int col, int row) 3004rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2802{ 3005{
2803 want_refresh = 1; 3006 want_refresh = 1;
3007
3008 selection.mark.row = row + view_start;
2804 selection.mark.col = col; 3009 selection.mark.col = col;
2805 selection.mark.row = row - TermWin.view_start; 3010
2806 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 3011 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2807 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 3012 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3013
3014 while (selection.mark.col > 0
3015 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2808 MAX_IT(selection.mark.col, 0); 3016 --selection.mark.col;
2809 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2810 3017
2811 if (selection.op) { /* clear the old selection */ 3018 if (selection.op)
3019 {
3020 /* clear the old selection */
2812 selection.beg.row = selection.end.row = selection.mark.row; 3021 selection.beg.row = selection.end.row = selection.mark.row;
2813 selection.beg.col = selection.end.col = selection.mark.col; 3022 selection.beg.col = selection.end.col = selection.mark.col;
2814 } 3023 }
3024
2815 selection.op = SELECTION_INIT; 3025 selection.op = SELECTION_INIT;
2816 selection.screen = current_screen; 3026 selection.screen = current_screen;
2817} 3027}
2818 3028
2819/* ------------------------------------------------------------------------- */ 3029/* ------------------------------------------------------------------------- */
2820/* 3030/*
2821 * Word select: select text for 2 clicks 3031 * Word select: select text for 2 clicks
2822 * We now only find out the boundary in one direction 3032 * We now only find out the boundary in one direction
2823 */ 3033 */
2824 3034
2825/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3035/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2826#define DELIMIT_TEXT(x) \ 3036#define DELIMIT_TEXT(x) \
2827 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3037 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2828#define DELIMIT_REND(x) 1 3038#define DELIMIT_REND(x) 1
2829 3039
2830void 3040void
2831rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3041rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2832{ 3042{
2833 int col, row, dirnadd, tcol, trow, w1, w2; 3043 int col, row, dirnadd, tcol, trow, w1, w2;
2834 row_col_t bound; 3044 row_col_t bound;
2835 text_t *stp; 3045 text_t *stp;
2836 rend_t *srp; 3046 rend_t *srp;
2837 3047
2838 if (dirn == UP) { 3048 if (dirn == UP)
2839 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3049 {
3050 bound.row = top_row - 1;
2840 bound.col = 0; 3051 bound.col = 0;
2841 dirnadd = -1; 3052 dirnadd = -1;
2842 } else { 3053 }
2843 bound.row = TermWin.saveLines + TermWin.nrow; 3054 else
3055 {
3056 bound.row = nrow;
2844 bound.col = TermWin.ncol - 1; 3057 bound.col = ncol - 1;
2845 dirnadd = 1; 3058 dirnadd = 1;
2846 } 3059 }
2847 row = mark->row + TermWin.saveLines; 3060
3061 row = mark->row;
2848 col = mark->col; 3062 col = max (mark->col, 0);
2849 MAX_IT(col, 0); 3063
2850/* find the edge of a word */ 3064 /* find the edge of a word */
2851 stp = &(screen.text[row][col]); 3065 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2852 w1 = DELIMIT_TEXT(*stp); 3066 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2853 3067
2854 if (selection_style != NEW_SELECT) { 3068 for (;;)
2855 if (w1 == 1) { 3069 {
3070 for (; col != bound.col; col += dirnadd)
3071 {
2856 stp += dirnadd; 3072 stp += dirnadd;
2857 if (DELIMIT_TEXT(*stp) == 1)
2858 goto Old_Word_Selection_You_Die;
2859 col += dirnadd;
2860 }
2861 w1 = 0;
2862 }
2863 srp = (&screen.rend[row][col]);
2864 w2 = DELIMIT_REND(*srp);
2865
2866 for (;;) {
2867 for (; col != bound.col; col += dirnadd) {
2868 stp += dirnadd; 3073 srp += dirnadd;
3074
3075 if (*stp == NOCHAR)
3076 continue;
3077
2869 if (DELIMIT_TEXT(*stp) != w1) 3078 if (DELIMIT_TEXT (*stp) != w1)
3079 break;
3080 if (DELIMIT_REND (*srp) != w2)
3081 break;
3082 }
3083
3084 if ((col == bound.col) && (row != bound.row))
3085 {
3086 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3087 {
3088 trow = row + dirnadd;
3089 tcol = dirn == UP ? ncol - 1 : 0;
3090
3091 if (!ROW(trow).t)
2870 break; 3092 break;
2871 srp += dirnadd; 3093
2872 if (DELIMIT_REND(*srp) != w2) 3094 stp = ROW(trow).t + tcol;
3095 srp = ROW(trow).r + tcol;
3096
3097 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2873 break; 3098 break;
2874 } 3099
2875 if ((col == bound.col) && (row != bound.row)) {
2876 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2877 trow = row + dirnadd;
2878 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2879 if (screen.text[trow] == NULL)
2880 break;
2881 stp = &(screen.text[trow][tcol]);
2882 srp = &(screen.rend[trow][tcol]);
2883 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2884 break;
2885 row = trow; 3100 row = trow;
2886 col = tcol; 3101 col = tcol;
2887 continue; 3102 continue;
2888 } 3103 }
2889 } 3104 }
2890 break; 3105 break;
2891 } 3106 }
2892 Old_Word_Selection_You_Die:
2893 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));
2894 3107
2895 if (dirn == DN) 3108 if (dirn == DN)
2896 col++; /* put us on one past the end */ 3109 col++; /* put us on one past the end */
2897 3110
2898/* Poke the values back in */ 3111 /* Poke the values back in */
2899 ret->row = row - TermWin.saveLines; 3112 ret->row = row;
2900 ret->col = col; 3113 ret->col = col;
2901} 3114}
2902 3115
2903/* ------------------------------------------------------------------------- */ 3116/* ------------------------------------------------------------------------- */
2904/* 3117/*
2905 * Extend the selection to the specified x/y pixel location 3118 * Extend the selection to the specified x/y pixel location
… …
2907 * flag == 0 ==> button 1 3120 * flag == 0 ==> button 1
2908 * flag == 1 ==> button 3 press 3121 * flag == 1 ==> button 3 press
2909 * flag == 2 ==> button 3 motion 3122 * flag == 2 ==> button 3 motion
2910 */ 3123 */
2911void 3124void
2912rxvt_term::selection_extend (int x, int y, int flag) 3125rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2913{ 3126{
2914 int col, row; 3127 int col = clamp (Pixel2Col (x), 0, ncol);
3128 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2915 3129
2916 col = Pixel2Col(x);
2917 row = Pixel2Row(y);
2918 MAX_IT(row, 0);
2919 MIN_IT(row, (int)TermWin.nrow - 1);
2920 MAX_IT(col, 0);
2921 MIN_IT(col, (int)TermWin.ncol);
2922
2923#ifndef NO_NEW_SELECTION
2924 /* 3130 /*
2925 * If we're selecting characters (single click) then we must check first 3131 * If we're selecting characters (single click) then we must check first
2926 * if we are at the same place as the original mark. If we are then 3132 * if we are at the same place as the original mark. If we are then
2927 * select nothing. Otherwise, if we're to the right of the mark, you have to 3133 * select nothing. Otherwise, if we're to the right of the mark, you have to
2928 * be _past_ a character for it to be selected. 3134 * be _past_ a character for it to be selected.
2929 */ 3135 */
2930 if (selection_style != OLD_SELECT)
2931 {
2932 if (((selection.clicks % 3) == 1) && !flag 3136 if (((selection.clicks % 3) == 1) && !flag
2933 && (col == selection.mark.col 3137 && (col == selection.mark.col
2934 && (row == selection.mark.row + TermWin.view_start))) 3138 && (row == selection.mark.row - view_start)))
2935 { 3139 {
2936 /* select nothing */ 3140 /* select nothing */
2937 selection.beg.row = selection.end.row = 0; 3141 selection.beg.row = selection.end.row = 0;
2938 selection.beg.col = selection.end.col = 0; 3142 selection.beg.col = selection.end.col = 0;
2939 selection.clicks = 4; 3143 selection.clicks = 4;
2940 want_refresh = 1; 3144 want_refresh = 1;
2941 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2942 return; 3145 return;
2943 }
2944 } 3146 }
2945#endif 3147
2946 if (selection.clicks == 4) 3148 if (selection.clicks == 4)
2947 selection.clicks = 1; 3149 selection.clicks = 1;
2948 3150
2949 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3151 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2950 flag == 1 ? 1 : 0, /* ? button press */ 3152 flag == 1 ? 1 : 0, /* ? button press */
2951 0); /* no click change */ 3153 0); /* no click change */
2952} 3154}
2953 3155
2954/* ------------------------------------------------------------------------- */ 3156/* ------------------------------------------------------------------------- */
2955/* 3157/*
2956 * Extend the selection to the specified col/row 3158 * Extend the selection to the specified col/row
2957 */ 3159 */
2958void 3160void
2959rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3161rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2960{ 3162{
2961 int16_t ncol = TermWin.ncol;
2962 int end_col;
2963 row_col_t pos; 3163 row_col_t pos;
2964 enum { 3164 enum {
2965 LEFT, RIGHT 3165 LEFT, RIGHT
2966 } closeto = RIGHT; 3166 } closeto = RIGHT;
2967 3167
2968 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));
2969 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));
2970
2971 want_refresh = 1; 3168 want_refresh = 1;
3169
2972 switch (selection.op) { 3170 switch (selection.op)
3171 {
2973 case SELECTION_INIT: 3172 case SELECTION_INIT:
2974 CLEAR_SELECTION(); 3173 CLEAR_SELECTION ();
2975 selection.op = SELECTION_BEGIN; 3174 selection.op = SELECTION_BEGIN;
2976 /* FALLTHROUGH */ 3175 /* FALLTHROUGH */
2977 case SELECTION_BEGIN: 3176 case SELECTION_BEGIN:
2978 if (row != selection.mark.row || col != selection.mark.col 3177 if (row != selection.mark.row || col != selection.mark.col
2979 || (!button3 && buttonpress)) 3178 || (!button3 && buttonpress))
2980 selection.op = SELECTION_CONT; 3179 selection.op = SELECTION_CONT;
2981 break; 3180 break;
2982 case SELECTION_DONE: 3181 case SELECTION_DONE:
2983 selection.op = SELECTION_CONT; 3182 selection.op = SELECTION_CONT;
2984 /* FALLTHROUGH */ 3183 /* FALLTHROUGH */
2985 case SELECTION_CONT: 3184 case SELECTION_CONT:
2986 break; 3185 break;
2987 case SELECTION_CLEAR: 3186 case SELECTION_CLEAR:
2988 selection_start_colrow (col, row); 3187 selection_start_colrow (col, row);
2989 /* FALLTHROUGH */ 3188 /* FALLTHROUGH */
2990 default: 3189 default:
2991 return; 3190 return;
2992 } 3191 }
3192
2993 if (selection.beg.col == selection.end.col 3193 if (selection.beg.col == selection.end.col
2994 && selection.beg.col != selection.mark.col 3194 && selection.beg.col != selection.mark.col
2995 && selection.beg.row == selection.end.row 3195 && selection.beg.row == selection.end.row
2996 && selection.beg.row != selection.mark.row) { 3196 && selection.beg.row != selection.mark.row)
3197 {
2997 selection.beg.col = selection.end.col = selection.mark.col; 3198 selection.beg.col = selection.end.col = selection.mark.col;
2998 selection.beg.row = selection.end.row = selection.mark.row; 3199 selection.beg.row = selection.end.row = selection.mark.row;
2999 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));
3000 } 3200 }
3001 3201
3002 pos.col = col; 3202 pos.col = col;
3003 pos.row = row; 3203 pos.row = view_start + row;
3004 3204
3005 pos.row -= TermWin.view_start; /* adjust for scroll */ 3205 /*
3006 3206 * This is mainly xterm style selection with a couple of differences, mainly
3007#ifndef NO_OLD_SELECTION 3207 * in the way button3 drag extension works.
3008/* 3208 * We're either doing: button1 drag; button3 press; or button3 drag
3009 * This mimics some of the selection behaviour of version 2.20 and before. 3209 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3010 * There are no ``selection modes'', button3 is always character extension. 3210 * is always at the left/right edge of the selection.
3011 * Note: button3 drag is always available, c.f. v2.20 3211 * b) button3 press: extend/contract character/word/line at whichever edge of
3012 * Selection always terminates (left or right as appropriate) at the mark. 3212 * the selection we are closest to.
3213 * c) button3 drag : extend/contract character/word/line - we select around
3214 * a point/word/line which is either the start or end of the selection
3215 * and it was decided by whichever point/word/line was `fixed' at the
3216 * time of the most recent button3 press
3013 */ 3217 */
3014 if (selection_style == OLD_SELECT) { 3218 if (button3 && buttonpress)
3015 if (selection.clicks == 1 || button3) { 3219 {
3016 if (hate_those_clicks) { 3220 /* button3 press */
3017 hate_those_clicks = 0; 3221 /*
3018 if (selection.clicks == 1) { 3222 * first determine which edge of the selection we are closest to
3019 selection.beg.row = selection.mark.row; 3223 */
3020 selection.beg.col = selection.mark.col; 3224 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3021 } else { 3225 || (!ROWCOL_IS_AFTER (pos, selection.end)
3226 && (((pos.col - selection.beg.col)
3227 + ((pos.row - selection.beg.row) * ncol))
3228 < ((selection.end.col - pos.col)
3229 + ((selection.end.row - pos.row) * ncol)))))
3230 closeto = LEFT;
3231
3232 if (closeto == LEFT)
3233 {
3234 selection.beg.row = pos.row;
3235 selection.beg.col = pos.col;
3236 selection.mark.row = selection.end.row;
3237 selection.mark.col = selection.end.col - (selection.clicks == 2);
3238 }
3239 else
3240 {
3241 selection.end.row = pos.row;
3242 selection.end.col = pos.col;
3022 selection.mark.row = selection.beg.row; 3243 selection.mark.row = selection.beg.row;
3023 selection.mark.col = selection.beg.col; 3244 selection.mark.col = selection.beg.col;
3245 }
3246 }
3247 else
3248 {
3249 /* button1 drag or button3 drag */
3250 if (ROWCOL_IS_AFTER (selection.mark, pos))
3251 {
3252 if (selection.mark.row == selection.end.row
3253 && selection.mark.col == selection.end.col
3254 && clickchange
3255 && selection.clicks == 2)
3256 selection.mark.col--;
3257
3258 selection.beg.row = pos.row;
3259 selection.beg.col = pos.col;
3260 selection.end.row = selection.mark.row;
3261 selection.end.col = selection.mark.col + (selection.clicks == 2);
3262 }
3263 else
3264 {
3265 selection.beg.row = selection.mark.row;
3266 selection.beg.col = selection.mark.col;
3267 selection.end.row = pos.row;
3268 selection.end.col = pos.col;
3269 }
3270 }
3271
3272 if (selection.clicks == 1)
3273 {
3274 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3275 && !ROW(selection.beg.row).is_longer ()
3276#if !ENABLE_MINIMAL
3277 && !selection.rect
3278#endif
3279 )
3280 selection.beg.col = ncol;
3281
3282 if (
3283 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3284 && !ROW(selection.end.row).is_longer ()
3285#if !ENABLE_MINIMAL
3286 && !selection.rect
3287#endif
3288 )
3289 selection.end.col = ncol;
3290 }
3291 else if (selection.clicks == 2)
3292 {
3293 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3294 selection.end.col--;
3295
3296 selection_delimit_word (UP, &selection.beg, &selection.beg);
3297 selection_delimit_word (DN, &selection.end, &selection.end);
3298 }
3299 else if (selection.clicks == 3)
3300 {
3301#if ENABLE_FRILLS
3302 if (option (Opt_tripleclickwords))
3303 {
3304 selection_delimit_word (UP, &selection.beg, &selection.beg);
3305
3306 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3307 {
3308 if (!ROW(end_row).is_longer ())
3309 {
3310 selection.end.row = end_row;
3311 selection.end.col = ROW(end_row).l;
3312# if !ENABLE_MINIMAL
3313 selection_remove_trailing_spaces ();
3314# endif
3315 break;
3024 } 3316 }
3025 } 3317 }
3026 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3027 selection.end.row = selection.mark.row;
3028 selection.end.col = selection.mark.col + 1;
3029 selection.beg.row = pos.row;
3030 selection.beg.col = pos.col;
3031 } else {
3032 selection.beg.row = selection.mark.row;
3033 selection.beg.col = selection.mark.col;
3034 selection.end.row = pos.row;
3035 selection.end.col = pos.col + 1;
3036 } 3318 }
3037 } else if (selection.clicks == 2) { 3319 else
3038 selection_delimit_word (UP, &(selection.mark), 3320#endif
3039 &(selection.beg)); 3321 {
3040 selection_delimit_word (DN, &(selection.mark), 3322 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3041 &(selection.end)); 3323 selection.mark.col++;
3042 hate_those_clicks = 1; 3324
3043 } else if (selection.clicks == 3) {
3044 selection.beg.row = selection.end.row = selection.mark.row;
3045 selection.beg.col = 0; 3325 selection.beg.col = 0;
3046 selection.end.col = ncol; 3326 selection.end.col = ncol;
3047 hate_those_clicks = 1; 3327
3048 } 3328 // select a complete logical line
3049 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)); 3329 while (selection.beg.row > -saveLines
3050 return; 3330 && ROW(selection.beg.row - 1).is_longer ())
3051 } 3331 selection.beg.row--;
3052#endif /* ! NO_OLD_SELECTION */ 3332
3053#ifndef NO_NEW_SELECTION 3333 while (selection.end.row < nrow
3054/* selection_style must not be OLD_SELECT to get here */ 3334 && ROW(selection.end.row).is_longer ())
3055/* 3335 selection.end.row++;
3056 * This is mainly xterm style selection with a couple of differences, mainly
3057 * in the way button3 drag extension works.
3058 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3060 * is always at the left/right edge of the selection.
3061 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * the selection we are closest to.
3063 * c) button3 drag : extend/contract character/word/line - we select around
3064 * a point/word/line which is either the start or end of the selection
3065 * and it was decided by whichever point/word/line was `fixed' at the
3066 * time of the most recent button3 press
3067 */
3068 if (button3 && buttonpress) { /* button3 press */
3069 /* 3336 }
3070 * first determine which edge of the selection we are closest to 3337 }
3071 */ 3338
3072 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3339 if (button3 && buttonpress)
3073 || (!ROWCOL_IS_AFTER(pos, selection.end) 3340 {
3074 && (((pos.col - selection.beg.col) 3341 /* mark may need to be changed */
3075 + ((pos.row - selection.beg.row) * ncol))
3076 < ((selection.end.col - pos.col)
3077 + ((selection.end.row - pos.row) * ncol)))))
3078 closeto = LEFT;
3079 if (closeto == LEFT) { 3342 if (closeto == LEFT)
3080 selection.beg.row = pos.row; 3343 {
3081 selection.beg.col = pos.col;
3082 selection.mark.row = selection.end.row; 3344 selection.mark.row = selection.end.row;
3083 selection.mark.col = selection.end.col 3345 selection.mark.col = selection.end.col - (selection.clicks == 2);
3084 - (selection.clicks == 2); 3346 }
3085 } else { 3347 else
3086 selection.end.row = pos.row; 3348 {
3087 selection.end.col = pos.col;
3088 selection.mark.row = selection.beg.row; 3349 selection.mark.row = selection.beg.row;
3089 selection.mark.col = selection.beg.col; 3350 selection.mark.col = selection.beg.col;
3090 }
3091 } else { /* button1 drag or button3 drag */
3092 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3093 if ((selection.mark.row == selection.end.row)
3094 && (selection.mark.col == selection.end.col)
3095 && clickchange && selection.clicks == 2)
3096 selection.mark.col--;
3097 selection.beg.row = pos.row;
3098 selection.beg.col = pos.col;
3099 selection.end.row = selection.mark.row;
3100 selection.end.col = selection.mark.col
3101 + (selection.clicks == 2);
3102 } else {
3103 selection.beg.row = selection.mark.row;
3104 selection.beg.col = selection.mark.col;
3105 selection.end.row = pos.row;
3106 selection.end.col = pos.col;
3107 }
3108 }
3109
3110 if (selection.clicks == 1) {
3111 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3112 if (end_col != -1 && selection.beg.col > end_col) {
3113#if 1
3114 selection.beg.col = ncol;
3115#else
3116 if (selection.beg.row != selection.end.row)
3117 selection.beg.col = ncol;
3118 else
3119 selection.beg.col = selection.mark.col;
3120#endif
3121 }
3122 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3123 if (end_col != -1 && selection.end.col > end_col)
3124 selection.end.col = ncol;
3125
3126 } else if (selection.clicks == 2) {
3127 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3128 selection.end.col--;
3129 selection_delimit_word (UP, &(selection.beg),
3130 &(selection.beg));
3131 selection_delimit_word (DN, &(selection.end),
3132 &(selection.end));
3133 } else if (selection.clicks == 3) {
3134#ifndef NO_FRILLS
3135 if ((Options & Opt_tripleclickwords)) {
3136 int end_row;
3137
3138 selection_delimit_word (UP, &(selection.beg),
3139 &(selection.beg));
3140 end_row = screen.tlen[selection.mark.row
3141 + TermWin.saveLines];
3142 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3143 end_row++) {
3144 end_col = screen.tlen[end_row + TermWin.saveLines];
3145 if (end_col != -1) {
3146 selection.end.row = end_row;
3147 selection.end.col = end_col;
3148 selection_remove_trailing_spaces ();
3149 break;
3150 }
3151 }
3152 } else
3153#endif
3154 { 3351 }
3155 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3156 selection.mark.col++;
3157 selection.beg.col = 0;
3158 selection.end.col = ncol;
3159 }
3160 } 3352 }
3161 if (button3 && buttonpress) { /* mark may need to be changed */
3162 if (closeto == LEFT) {
3163 selection.mark.row = selection.end.row;
3164 selection.mark.col = selection.end.col
3165 - (selection.clicks == 2);
3166 } else {
3167 selection.mark.row = selection.beg.row;
3168 selection.mark.col = selection.beg.col;
3169 }
3170 }
3171 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));
3172#endif /* ! NO_NEW_SELECTION */
3173}
3174 3353
3175#ifndef NO_FRILLS 3354#if !ENABLE_MINIMAL
3355 if (selection.rect && selection.beg.col > selection.end.col)
3356 ::swap (selection.beg.col, selection.end.col);
3357#endif
3358}
3359
3360#if !ENABLE_MINIMAL
3176void 3361void
3177rxvt_term::selection_remove_trailing_spaces () 3362rxvt_term::selection_remove_trailing_spaces () NOTHROW
3178{ 3363{
3179 int32_t end_col, end_row; 3364 int32_t end_col, end_row;
3180 text_t *stp; 3365 text_t *stp;
3181 3366
3182 end_col = selection.end.col; 3367 end_col = selection.end.col;
3183 end_row = selection.end.row; 3368 end_row = selection.end.row;
3369
3184 for ( ; end_row >= selection.beg.row; ) { 3370 for (; end_row >= selection.beg.row; )
3185 stp = screen.text[end_row + TermWin.saveLines]; 3371 {
3372 stp = ROW(end_row).t;
3373
3186 while (--end_col >= 0) { 3374 while (--end_col >= 0)
3187 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3188 break;
3189 } 3375 {
3190 if (end_col >= 0 3376 if (stp[end_col] != NOCHAR
3191 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3377 && !unicode::is_space (stp[end_col]))
3192 selection.end.col = end_col + 1;
3193 selection.end.row = end_row;
3194 break; 3378 break;
3195 } 3379 }
3380
3381 if (end_col >= 0
3382 || !ROW(end_row - 1).is_longer ())
3383 {
3384 selection.end.col = end_col + 1;
3385 selection.end.row = end_row;
3386 break;
3387 }
3388
3196 end_row--; 3389 end_row--;
3197 end_col = TermWin.ncol; 3390 end_col = ncol;
3198 } 3391 }
3392
3199 if (selection.mark.row > selection.end.row) { 3393 if (selection.mark.row > selection.end.row)
3394 {
3200 selection.mark.row = selection.end.row; 3395 selection.mark.row = selection.end.row;
3201 selection.mark.col = selection.end.col; 3396 selection.mark.col = selection.end.col;
3397 }
3202 } else if (selection.mark.row == selection.end.row 3398 else if (selection.mark.row == selection.end.row
3203 && selection.mark.col > selection.end.col) 3399 && selection.mark.col > selection.end.col)
3204 selection.mark.col = selection.end.col; 3400 selection.mark.col = selection.end.col;
3205} 3401}
3206#endif 3402#endif
3207 3403
3208/* ------------------------------------------------------------------------- */ 3404/* ------------------------------------------------------------------------- */
3209/* 3405/*
3210 * Double click on button 3 when already selected 3406 * Double click on button 3 when already selected
3211 * EXT: button 3 double click 3407 * EXT: button 3 double click
3212 */ 3408 */
3213void 3409void
3214rxvt_term::selection_rotate (int x, int y) 3410rxvt_term::selection_rotate (int x, int y) NOTHROW
3215{ 3411{
3216 selection.clicks = selection.clicks % 3 + 1; 3412 selection.clicks = selection.clicks % 3 + 1;
3217 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3413 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3218} 3414}
3219
3220/* ------------------------------------------------------------------------- */
3221/*
3222 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3223 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3224 * the X11 protocol.
3225 */
3226typedef CARD32 Atom32;
3227 3415
3228/* ------------------------------------------------------------------------- */ 3416/* ------------------------------------------------------------------------- */
3229/* 3417/*
3230 * Respond to a request for our current selection 3418 * Respond to a request for our current selection
3231 * EXT: SelectionRequest 3419 * EXT: SelectionRequest
3232 */ 3420 */
3233void 3421void
3234rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3422rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3235{ 3423{
3424 Atom property = rq.property == None ? rq.target : rq.property;
3236 XSelectionEvent ev; 3425 XSelectionEvent ev;
3237 XTextProperty ct;
3238 XICCEncodingStyle style;
3239 Atom target;
3240 3426
3241 ev.type = SelectionNotify; 3427 ev.type = SelectionNotify;
3242 ev.property = None; 3428 ev.property = None;
3243 ev.display = rq->display; 3429 ev.display = rq.display;
3244 ev.requestor = rq->requestor; 3430 ev.requestor = rq.requestor;
3245 ev.selection = rq->selection; 3431 ev.selection = rq.selection;
3246 ev.target = rq->target; 3432 ev.target = rq.target;
3247 ev.time = rq->time; 3433 ev.time = rq.time;
3248 3434
3249 if (rq->target == xa[XA_TARGETS]) { 3435 if (rq.target == xa[XA_TARGETS])
3436 {
3250 Atom32 target_list[5]; 3437 Atom target_list[6];
3251 Atom32 *target = target_list; 3438 Atom *target = target_list;
3252 3439
3253 *target++ = (Atom32) xa[XA_TARGETS]; 3440 *target++ = xa[XA_TARGETS];
3441 *target++ = xa[XA_TIMESTAMP];
3254 *target++ = (Atom32) XA_STRING; 3442 *target++ = XA_STRING;
3255 *target++ = (Atom32) xa[XA_TEXT]; 3443 *target++ = xa[XA_TEXT];
3256 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3444 *target++ = xa[XA_COMPOUND_TEXT];
3257#if X_HAVE_UTF8_STRING 3445#if X_HAVE_UTF8_STRING
3258 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3446 *target++ = xa[XA_UTF8_STRING];
3259#endif 3447#endif
3448
3260 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3449 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3261 (8 * sizeof(target_list[0])), PropModeReplace, 3450 32, PropModeReplace,
3262 (unsigned char *)target_list, 3451 (unsigned char *)target_list, target - target_list);
3263 target - target_list);
3264 ev.property = rq->property; 3452 ev.property = property;
3453 }
3454#if TODO // TODO
3265 } else if (rq->target == xa[XA_MULTIPLE]) { 3455 else if (rq.target == xa[XA_MULTIPLE])
3456 {
3266 /* TODO: Handle MULTIPLE */ 3457 /* TODO: Handle MULTIPLE */
3267 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3458 }
3459#endif
3460 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3461 {
3268 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3462 XChangeProperty (dpy, rq.requestor, property, rq.target,
3269 (8 * sizeof(Time)), PropModeReplace,
3270 (unsigned char *)&selection_time, 1); 3463 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3271 ev.property = rq->property; 3464 ev.property = property;
3465 }
3466 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3467 {
3468 XChangeProperty (dpy, rq.requestor, property, rq.target,
3469 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3470 ev.property = property;
3471 }
3272 } else if (rq->target == XA_STRING 3472 else if (rq.target == XA_STRING
3273 || rq->target == xa[XA_TEXT] 3473 || rq.target == xa[XA_TEXT]
3274 || rq->target == xa[XA_COMPOUND_TEXT] 3474 || rq.target == xa[XA_COMPOUND_TEXT]
3275 || rq->target == xa[XA_UTF8_STRING] 3475 || rq.target == xa[XA_UTF8_STRING]
3276 ) { 3476 )
3477 {
3478 XTextProperty ct;
3479 Atom target = rq.target;
3277 short freect = 0; 3480 short freect = 0;
3278 int selectlen; 3481 int selectlen;
3279 char *cl; 3482 wchar_t *cl;
3483 enum {
3484 enc_string = XStringStyle,
3485 enc_text = XStdICCTextStyle,
3486 enc_compound_text = XCompoundTextStyle,
3487#ifdef X_HAVE_UTF8_STRING
3488 enc_utf8 = XUTF8StringStyle,
3489#else
3490 enc_utf8 = -1,
3491#endif
3492 } style;
3280 3493
3281 target = rq->target;
3282
3283 if (target == XA_STRING) 3494 if (target == XA_STRING)
3284 // we actually don't do XA_STRING, but who cares, as i18n clients 3495 // we actually don't do XA_STRING, but who cares, as i18n clients
3285 // will ask for another format anyways. 3496 // will ask for another format anyways.
3286 style = XStringStyle; 3497 style = enc_string;
3287 else if (target == xa[XA_TEXT]) 3498 else if (target == xa[XA_TEXT])
3288 style = XTextStyle; 3499 style = enc_text;
3289 else if (target == xa[XA_COMPOUND_TEXT]) 3500 else if (target == xa[XA_COMPOUND_TEXT])
3290 style = XCompoundTextStyle; 3501 style = enc_compound_text;
3291#if X_HAVE_UTF8_STRING 3502#if !ENABLE_MINIMAL
3292 else if (target == xa[XA_UTF8_STRING]) 3503 else if (target == xa[XA_UTF8_STRING])
3293 style = XUTF8StringStyle; 3504 style = enc_utf8;
3294#endif 3505#endif
3295 else 3506 else
3296 { 3507 {
3297 target = xa[XA_COMPOUND_TEXT]; 3508 target = xa[XA_COMPOUND_TEXT];
3298 style = XCompoundTextStyle; 3509 style = enc_compound_text;
3299 } 3510 }
3300 3511
3301 if (selection.text) { 3512 if (rq.selection == XA_PRIMARY && selection.text)
3513 {
3302 cl = (char *)selection.text; 3514 cl = selection.text;
3303 selectlen = selection.len; 3515 selectlen = selection.len;
3516 }
3517 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3518 {
3519 cl = selection.clip_text;
3520 selectlen = selection.clip_len;
3521 }
3304 } else { 3522 else
3523 {
3305 cl = ""; 3524 cl = L"";
3306 selectlen = 0; 3525 selectlen = 0;
3526 }
3527
3528#if !ENABLE_MINIMAL
3529 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3530 // so recode it manually
3531 if (style == enc_utf8)
3307 } 3532 {
3308
3309 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3310 freect = 1; 3533 freect = 1;
3534 ct.encoding = target;
3535 ct.format = 8;
3536 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3537 ct.nitems = strlen ((char *)ct.value);
3538 }
3311 else 3539 else
3540#endif
3541 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3542 freect = 1;
3543 else
3312 { 3544 {
3313 /* if we failed to convert then send it raw */ 3545 /* if we failed to convert then send it raw */
3314 ct.value = (unsigned char *)cl; 3546 ct.value = (unsigned char *)cl;
3315 ct.nitems = selectlen; 3547 ct.nitems = selectlen;
3548 ct.encoding = target;
3316 } 3549 }
3317 3550
3318 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3551 XChangeProperty (dpy, rq.requestor, property,
3319 target, 8, PropModeReplace, 3552 ct.encoding, 8, PropModeReplace,
3320 ct.value, (int)ct.nitems); 3553 ct.value, (int)ct.nitems);
3321 ev.property = rq->property; 3554 ev.property = property;
3322 3555
3323 if (freect) 3556 if (freect)
3324 XFree (ct.value); 3557 XFree (ct.value);
3325 } 3558 }
3559
3326 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3560 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3327}
3328
3329/* ------------------------------------------------------------------------- *
3330 * MOUSE ROUTINES *
3331 * ------------------------------------------------------------------------- */
3332
3333/*
3334 * return col/row values corresponding to x/y pixel values
3335 */
3336void
3337rxvt_term::pixel_position (int *x, int *y)
3338{
3339 *x = Pixel2Col(*x);
3340 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3341 *y = Pixel2Row(*y);
3342 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3343} 3561}
3344 3562
3345/* ------------------------------------------------------------------------- */ 3563/* ------------------------------------------------------------------------- */
3346#ifdef USE_XIM 3564#ifdef USE_XIM
3347void 3565void
3348rxvt_term::set_position (XPoint *pos) 3566rxvt_term::im_set_position (XPoint &pos) NOTHROW
3349{ 3567{
3350 XWindowAttributes xwa; 3568 XWindowAttributes xwa;
3351 3569
3352 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3570 XGetWindowAttributes (dpy, vt, &xwa);
3571
3353 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3572 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3354 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3573 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3355} 3574}
3356
3357#endif 3575#endif
3358/* ------------------------------------------------------------------------- */ 3576
3359 3577#if ENABLE_OVERLAY
3578void
3579rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3580{
3581 if (nrow < 1 || ncol < 1)
3582 return;
3583
3584 want_refresh = 1;
3585
3586 scr_overlay_off ();
3587
3588 if (x < 0) x = ncol - w;
3589 if (y < 0) y = nrow - h;
3590
3591 // make space for border
3592 w += 2; min_it (w, ncol);
3593 h += 2; min_it (h, nrow);
3594
3595 x -= 1; clamp_it (x, 0, ncol - w);
3596 y -= 1; clamp_it (y, 0, nrow - h);
3597
3598 ov.x = x; ov.y = y;
3599 ov.w = w; ov.h = h;
3600
3601 ov.text = new text_t *[h];
3602 ov.rend = new rend_t *[h];
3603
3604 for (y = 0; y < h; y++)
3605 {
3606 text_t *tp = ov.text[y] = new text_t[w];
3607 rend_t *rp = ov.rend[y] = new rend_t[w];
3608
3609 text_t t0, t1, t2;
3610 rend_t r = OVERLAY_RSTYLE;
3611
3612 if (y == 0)
3613 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3614 else if (y < h - 1)
3615 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3616 else
3617 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3618
3619 *tp++ = t0;
3620 *rp++ = r;
3621
3622 for (x = w - 2; x > 0; --x)
3623 {
3624 *tp++ = t1;
3625 *rp++ = r;
3626 }
3627
3628 *tp = t2;
3629 *rp = r;
3630 }
3631}
3632
3633void
3634rxvt_term::scr_overlay_off () NOTHROW
3635{
3636 if (!ov.text)
3637 return;
3638
3639 want_refresh = 1;
3640
3641 for (int y = 0; y < ov.h; y++)
3642 {
3643 delete [] ov.text[y];
3644 delete [] ov.rend[y];
3645 }
3646
3647 delete [] ov.text; ov.text = 0;
3648 delete [] ov.rend; ov.rend = 0;
3649}
3650
3651void
3652rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3653{
3654 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3655 return;
3656
3657 x++, y++;
3658
3659 ov.text[y][x] = text;
3660 ov.rend[y][x] = rend;
3661}
3662
3663void
3664rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3665{
3666 while (*s)
3667 scr_overlay_set (x++, y, *s++);
3668}
3669
3670void
3671rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3672{
3673 while (*s)
3674 {
3675 text_t t = *s++;
3676 int width = WCWIDTH (t);
3677
3678 while (width--)
3679 {
3680 scr_overlay_set (x++, y, t);
3681 t = NOCHAR;
3682 }
3683 }
3684}
3685
3686void
3687rxvt_term::scr_swap_overlay () NOTHROW
3688{
3689 if (!ov.text)
3690 return;
3691
3692 // hide cursor if it is within the overlay area
3693 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3694 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3695 screen.flags &= ~Screen_VisibleCursor;
3696
3697 // swap screen mem with overlay
3698 for (int y = ov.h; y--; )
3699 {
3700 text_t *t1 = ov.text[y];
3701 rend_t *r1 = ov.rend[y];
3702
3703 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3704 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3705
3706 for (int x = ov.w; x--; )
3707 {
3708 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3709 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3710 }
3711 }
3712}
3713
3714#endif
3360/* ------------------------------------------------------------------------- * 3715/* ------------------------------------------------------------------------- */
3361 * DEBUG ROUTINES *
3362 * ------------------------------------------------------------------------- */
3363#if 0
3364void
3365rxvt_debug_colors(void)
3366{
3367 int color;
3368 const char *name[] = {
3369 "fg", "bg",
3370 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3371 };
3372 3716
3373 fprintf(stderr, "Color ( ");
3374 if (rstyle & RS_RVid)
3375 fprintf(stderr, "rvid ");
3376 if (rstyle & RS_Bold)
3377 fprintf(stderr, "bold ");
3378 if (rstyle & RS_Blink)
3379 fprintf(stderr, "blink ");
3380 if (rstyle & RS_Uline)
3381 fprintf(stderr, "uline ");
3382 fprintf(stderr, "): ");
3383
3384 color = GET_FGCOLOR(rstyle);
3385#ifndef NO_BRIGHTCOLOR
3386 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3387 color -= (minBrightCOLOR - minCOLOR);
3388 fprintf(stderr, "bright ");
3389 }
3390#endif
3391 fprintf(stderr, "%s on ", name[color]);
3392
3393 color = GET_BGCOLOR(rstyle);
3394#ifndef NO_BRIGHTCOLOR
3395 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3396 color -= (minBrightCOLOR - minCOLOR);
3397 fprintf(stderr, "bright ");
3398 }
3399#endif
3400 fprintf(stderr, "%s\n", name[color]);
3401}
3402#endif

Diff Legend

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