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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.22 by pcg, Sat Jan 31 02:14:58 2004 UTC vs.
Revision 1.414 by sf-exg, Tue Jan 24 17:05:05 2012 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 () NOTHROW
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 () NOTHROW
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 /* check for boundary cross */
555 row_col_t pos;
556 pos.row = pos.col = 0;
557 if (ROWCOL_IS_BEFORE (selection.beg, pos)
558 && ROWCOL_IS_AFTER (selection.end, pos))
559 CLEAR_SELECTION ();
560
561 current_screen = scrn;
562
557#if NSCREENS 563#if NSCREENS
558 int offset; 564 if (option (Opt_secondaryScreen))
559#endif 565 {
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; 566 num_scr = 0;
575 offset = TermWin.saveLines; 567
576 for (i = prev_nrow; i--;) { 568 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 569
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 570 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 571 ::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; 572 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 573 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 574 }
575 else
603# endif 576#endif
604#else 577 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); 578 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 579}
617#endif 580
581// clear WrapNext indicator, solidifying position on next line
582void
583rxvt_term::scr_do_wrap () NOTHROW
584{
585 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 586 return;
587
588 screen.flags &= ~Screen_WrapNext;
589
590 screen.cur.col = 0;
591
592 if (screen.cur.row == screen.bscroll)
593 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
594 else if (screen.cur.row < nrow - 1)
595 screen.cur.row++;
619} 596}
620 597
621/* ------------------------------------------------------------------------- */ 598/* ------------------------------------------------------------------------- */
622/* 599/*
623 * Change the colour for following text 600 * Change the colour for following text
624 */ 601 */
625void 602void
626rxvt_term::scr_color (unsigned int color, int fgbg) 603rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
627{ 604{
605 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
628 color &= RS_fgMask; 606 color = fgbg;
607
629 if (fgbg == Color_fg) 608 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 609 rstyle = SET_FGCOLOR (rstyle, color);
631 else 610 else
632 rstyle = SET_BGCOLOR(rstyle, color); 611 rstyle = SET_BGCOLOR (rstyle, color);
633} 612}
634 613
635/* ------------------------------------------------------------------------- */ 614/* ------------------------------------------------------------------------- */
636/* 615/*
637 * Change the rendition style for following text 616 * Change the rendition style for following text
638 */ 617 */
639void 618void
640rxvt_term::scr_rendition (int set, int style) 619rxvt_term::scr_rendition (int set, int style) NOTHROW
641{ 620{
642 if (set) 621 if (set)
643 rstyle |= style; 622 rstyle |= style;
644 else if (style == ~RS_None) 623 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 624 rstyle = DEFAULT_RSTYLE;
646 else 625 else
647 rstyle &= ~style; 626 rstyle &= ~style;
648} 627}
649 628
650/* ------------------------------------------------------------------------- */ 629/* ------------------------------------------------------------------------- */
651/* 630/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 631 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 632 * count positive ==> scroll up
654 * count negative ==> scroll down 633 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 634 */
657int 635int
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 636rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
659{ 637{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 638 if (count == 0 || (row1 > row2))
664 return 0; 639 return 0;
665 640
666 want_refresh = 1; 641 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 642 num_scr += count;
668 643
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 644 if (count > 0
645 && row1 == 0
646 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
647 {
648 min_it (count, total_rows - (nrow - (row2 + 1)));
649
650 top_row = max (top_row - count, -saveLines);
651
652 // sever bottommost line
670 { 653 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 654 line_t &l = ROW(row2);
655 l.is_longer (0);
656 l.touch ();
657 }
672 658
673 if (nscrolled > (long)TermWin.saveLines) 659 // scroll everything up 'count' lines
674 TermWin.nscrolled = TermWin.saveLines; 660 term_start = (term_start + count) % total_rows;
661
662 // now copy lines below the scroll region bottom to the
663 // bottom of the screen again, so they look as if they
664 // hadn't moved.
665 for (int i = nrow; --i > row2; )
666 {
667 line_t &l1 = ROW(i - count);
668 line_t &l2 = ROW(i);
669
670 ::swap (l1, l2);
671 l2.touch ();
672 }
673
674 // erase newly scrolled-in lines
675 for (int i = count; i--; )
676 {
677 line_t &l = ROW(row2 - i);
678
679 // optimise if already cleared, can be significant on slow machines
680 // could be rolled into scr_blank_screen_mem
681 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
682 {
683 scr_blank_line (l, 0, l.l, rstyle);
684 l.l = 0;
685 l.f = 0;
686 }
675 else 687 else
676 TermWin.nscrolled = (uint16_t)nscrolled; 688 scr_blank_screen_mem (l, rstyle);
689 }
677 690
691 // move and/or clear selection, if any
692 if (selection.op && current_screen == selection.screen
693 && selection.beg.row <= row2)
694 {
695 selection.beg.row -= count;
696 selection.end.row -= count;
697 selection.mark.row -= count;
698
699 selection_check (0);
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);
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
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 770 }
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
778 771
779 return count; 772 return count;
780} 773}
781 774
782/* ------------------------------------------------------------------------- */ 775/* ------------------------------------------------------------------------- */
783/* 776/*
784 * Add text given in <str> of length <len> to screen struct 777 * Add text given in <str> of length <len> to screen struct
785 */ 778 */
786void 779void
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 780rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
788{ 781{
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 */ 782 if (len <= 0) /* sanity */
796 return; 783 return;
797 784
785 bool checksel;
786 unicode_t c;
787 int ncol = this->ncol;
788 const wchar_t *strend = str + len;
789
798 want_refresh = 1; 790 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 791 ZERO_SCROLLBACK ();
792
803 if (nlines > 0) { 793 if (minlines > 0)
794 {
804 nlines += (screen.cur.row - screen.bscroll); 795 minlines += screen.cur.row - screen.bscroll;
796 min_it (minlines, screen.cur.row - top_row);
797
805 if ((nlines > 0) 798 if (minlines > 0
806 && (screen.tscroll == 0) 799 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 800 && screen.bscroll == nrow - 1)
801 {
808 /* _at least_ this many lines need to be scrolled */ 802 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 803 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 804 screen.cur.row -= minlines;
811 } 805 }
812 } 806 }
813#ifdef DEBUG_STRICT 807
814 assert(screen.cur.col < last_col); 808 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 809 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 810 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 811 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;
823 812
824 checksel = (selection.op 813 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 814
828 stp = screen.text[row]; 815 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 816
831 for (i = 0; i < len;) { 817 while (str < strend)
832 c = str[i++]; 818 {
833 switch (c) { 819 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 820
835 scr_tab (1); 821 if (ecb_unlikely (c < 0x20))
822 if (c == C0_LF)
823 {
824 max_it (line->l, screen.cur.col);
825
826 screen.flags &= ~Screen_WrapNext;
827
828 if (screen.cur.row == screen.bscroll)
829 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
830 else if (screen.cur.row < (nrow - 1))
831 row = ++screen.cur.row;
832
833 line = &ROW(row); /* _must_ refresh */
836 continue; 834 continue;
837 case '\n': 835 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 836 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 837 {
840 screen.flags &= ~Screen_WrapNext; 838 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 839
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; 840 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 841 screen.cur.col = 0;
853 continue; 842 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 843 }
844 else if (c == C0_HT)
845 {
846 scr_tab (1, true);
847 continue;
848 }
859 849
850 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 851 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 852 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 853 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
854 ))
855 {
863 checksel = 0; 856 checksel = 0;
864 clearsel = 1; 857 /*
858 * If we wrote anywhere in the selected area, kill the selection
859 * XXX: should we kill the mark too? Possibly, but maybe that
860 * should be a similar check.
861 */
862 CLEAR_SELECTION ();
863 }
864
865 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 866 {
866 if (screen.flags & Screen_WrapNext) { 867 scr_do_wrap ();
867 screen.tlen[row] = -1; 868
868 if (screen.cur.row == screen.bscroll) 869 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 870 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 871
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; 872 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 873 line = &ROW(row); /* _must_ refresh */
874 }
875
876 // some utf-8 decoders "decode" surrogate characters: let's fix this.
877 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
878 c = 0xfffd;
879
880 // rely on wcwidth to tell us the character width, do wcwidth before
881 // further replacements, as wcwidth might return -1 for the line
882 // drawing characters below as they might be invalid in the current
883 // locale.
884 int width = WCWIDTH (c);
885
886 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 887 {
877 if (screen.flags & Screen_Insert) 888 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 889 // 5f-7e standard vt100
890 // 40-5e rxvt extension for extra curses acs chars
891 static uint16_t vt100_0[62] = { // 41 .. 7e
892 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
893 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
894 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
895 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
896 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
897 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
898 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
899 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
900 };
879 901
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 902 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 903 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 904 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 905 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 } 906 }
907 }
895 908
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 909 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 910 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 911
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 912 if (width != 0)
913 {
914#if !UNICODE_3
915 // trim characters we can't store directly :(
916 if (c >= 0x10000)
917# if ENABLE_COMBINING
918 c = rxvt_composite.compose (c); // map to lower 16 bits
919# else
920 c = 0xfffd;
921# endif
922#endif
923
924 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
925
926 // if the character doesn't fit into the remaining columns...
927 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
928 {
929 if (screen.flags & Screen_Autowrap)
930 {
931 // ... artificially enlargen the previous one
932 c = NOCHAR;
933 // and try the same character next loop iteration
934 --str;
935 }
936 else
937 screen.cur.col = ncol - width;
938 }
939
940 // nuke the character at this position, if required
941 // due to wonderful coincidences everywhere else in this loop
942 // we never have to check for overwriting a wide char itself,
943 // only its tail.
944 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
945 scr_kill_char (*line, screen.cur.col);
946
947 line->touch ();
948
902 do 949 do
903 { 950 {
904 stp[screen.cur.col] = c; 951 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 952 line->r[screen.cur.col] = rend;
906 953
907 if (screen.cur.col < last_col - 1) 954 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 955 screen.cur.col++;
909 else 956 else
910 { 957 {
911 screen.tlen[row] = last_col; 958 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 959 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 960 screen.flags |= Screen_WrapNext;
914 break; 961
962 goto end_of_line;
915 } 963 }
916 964
917 c = NOCHAR; 965 c = NOCHAR;
918 } 966 }
919 while (--width > 0); 967 while (ecb_unlikely (--width > 0));
968
969 // pad with spaces when overwriting wide character with smaller one
970 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
971 {
972 line->t[c] = ' ';
973 line->r[c] = rend;
974 }
975
976end_of_line:
977 ;
978 }
979#if ENABLE_COMBINING
980 else // width == 0
981 {
982 if (c != 0xfeff) // ignore BOM
983 {
984 // handle combining characters
985 // we just tag the accent on the previous on-screen character.
986 // this is arguably not correct, but also arguably not wrong.
987 // we don't handle double-width characters nicely yet.
988 line_t *linep;
989 text_t *tp;
990 rend_t *rp;
991
992 if (screen.cur.col > 0)
993 {
994 linep = line;
995 tp = line->t + screen.cur.col - 1;
996 rp = line->r + screen.cur.col - 1;
997 }
998 else if (screen.cur.row > 0
999 && ROW(screen.cur.row - 1).is_longer ())
1000 {
1001 linep = &ROW(screen.cur.row - 1);
1002 tp = line->t + ncol - 1;
1003 rp = line->r + ncol - 1;
1004 }
920 else 1005 else
921 (void)0; /* handle combining character etc. here. */ 1006 continue;
922 }
923 1007
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1008 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1009
927/* 1010 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1011 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 1012
935#ifdef DEBUG_STRICT 1013 // first try to find a precomposed character
1014 unicode_t n = rxvt_compose (*tp, c);
1015 if (n == NOCHAR)
1016 n = rxvt_composite.compose (*tp, c);
1017
1018 *tp = n;
1019 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1020 }
1021 }
1022#endif
1023 }
1024
1025 max_it (line->l, screen.cur.col);
1026
936 assert(screen.cur.row >= 0); 1027 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1028}
941 1029
942/* ------------------------------------------------------------------------- */ 1030/* ------------------------------------------------------------------------- */
943/* 1031/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1032 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1033 * XTERM_SEQ: CTRL-H
946 */ 1034 */
947void 1035void
948rxvt_term::scr_backspace () 1036rxvt_term::scr_backspace () NOTHROW
949{ 1037{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1038 if (screen.cur.col == 0)
1039 {
952 if (screen.cur.row > 0) { 1040 if (screen.cur.row > 0)
1041 {
953#ifdef TERMCAP_HAS_BW 1042#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1043 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1044 --screen.cur.row;
956 return; 1045
1046 want_refresh = 1;
957#endif 1047#endif
958 } 1048 }
1049 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1050 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1051 screen.flags &= ~Screen_WrapNext;
1052 else
1053 scr_gotorc (0, -1, RELATIVE);
962} 1054}
963 1055
964/* ------------------------------------------------------------------------- */ 1056/* ------------------------------------------------------------------------- */
965/* 1057/*
966 * Process Horizontal Tab 1058 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1059 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1060 * XTERM_SEQ: CTRL-I
969 */ 1061 */
970void 1062void
971rxvt_term::scr_tab (int count) 1063rxvt_term::scr_tab (int count, bool ht) NOTHROW
972{ 1064{
973 int i, x; 1065 int i, x;
974 1066
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1067 want_refresh = 1;
977 i = x = screen.cur.col; 1068 i = x = screen.cur.col;
1069
978 if (count == 0) 1070 if (count == 0)
979 return; 1071 return;
980 else if (count > 0) { 1072 else if (count > 0)
1073 {
1074 line_t &l = ROW(screen.cur.row);
1075 rend_t base_rend = l.r[i];
1076 ht &= l.t[i] == ' ';
1077
981 for (; ++i < TermWin.ncol; ) 1078 for (; ++i < ncol; )
982 if (tabs[i]) { 1079 if (tabs[i])
1080 {
983 x = i; 1081 x = i;
1082
984 if (!--count) 1083 if (!--count)
985 break; 1084 break;
1085 }
1086 else
1087 ht &= l.t[i] == ' '
1088 && RS_SAME (l.r[i], base_rend);
1089
1090 if (count)
1091 x = ncol - 1;
1092
1093 // store horizontal tab commands as characters inside the text
1094 // buffer so they can be selected and pasted.
1095 if (ht && option (Opt_pastableTabs))
1096 {
1097 base_rend = SET_FONT (base_rend, 0);
1098
1099 l.touch (x);
1100
1101 i = screen.cur.col;
1102
1103 l.t[i] = '\t';
1104 l.r[i] = base_rend;
1105
1106 while (++i < x)
1107 {
1108 l.t[i] = NOCHAR;
1109 l.r[i] = base_rend;
986 } 1110 }
987 if (count) 1111 }
988 x = TermWin.ncol - 1; 1112 }
989 } else /* if (count < 0) */ { 1113 else /* if (count < 0) */
1114 {
990 for (; --i >= 0; ) 1115 for (; --i >= 0; )
991 if (tabs[i]) { 1116 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1117 {
996 if (count)
997 x = 0; 1118 x = i;
1119 if (!++count)
1120 break;
1121 }
1122
1123 if (count)
1124 x = 0;
998 } 1125 }
1126
999 if (x != screen.cur.col) 1127 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1128 scr_gotorc (0, x, R_RELATIVE);
1001} 1129}
1002 1130
1003/* ------------------------------------------------------------------------- */ 1131/* ------------------------------------------------------------------------- */
1004/* 1132/*
1005 * Process DEC Back Index 1133 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1134 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1135 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1136 * in that row right. Clear left column.
1009 */ 1137 */
1010#ifndef NO_FRILLS 1138#if !ENABLE_MINIMAL
1011void 1139void
1012rxvt_term::scr_backindex () 1140rxvt_term::scr_backindex () NOTHROW
1013{ 1141{
1014 if (screen.cur.col > 0) 1142 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1143 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1144 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1145 scr_insdel_chars (1, INSERT);
1020 }
1021} 1146}
1022#endif 1147#endif
1023/* ------------------------------------------------------------------------- */ 1148/* ------------------------------------------------------------------------- */
1024/* 1149/*
1025 * Process DEC Forward Index 1150 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1151 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1152 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1153 * in that row left. Clear right column.
1029 */ 1154 */
1030#ifndef NO_FRILLS 1155#if !ENABLE_MINIMAL
1031void 1156void
1032rxvt_term::scr_forwardindex () 1157rxvt_term::scr_forwardindex () NOTHROW
1033{ 1158{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1159 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1161 else
1039 row = screen.cur.row + TermWin.saveLines; 1162 {
1040 if (screen.tlen[row] == 0) 1163 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1164
1042 else if (screen.tlen[row] == -1) 1165 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1166 l.is_longer (0);
1167
1044 scr_gotorc (0, 0, R_RELATIVE); 1168 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1169 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1170 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1171 }
1048} 1172}
1049#endif 1173#endif
1050 1174
1051/* ------------------------------------------------------------------------- */ 1175/* ------------------------------------------------------------------------- */
1052/* 1176/*
1053 * Goto Row/Column 1177 * Goto Row/Column
1054 */ 1178 */
1055void 1179void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1180rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1057{ 1181{
1058 want_refresh = 1; 1182 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1183 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1184
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) 1185 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1186 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 1187
1072 screen.flags &= ~Screen_WrapNext; 1188 screen.flags &= ~Screen_WrapNext;
1189
1073 if (relative & R_RELATIVE) { 1190 if (relative & R_RELATIVE)
1191 {
1074 if (row > 0) { 1192 if (row > 0)
1193 {
1075 if (screen.cur.row <= screen.bscroll 1194 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1195 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1196 screen.cur.row = screen.bscroll;
1078 else 1197 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; 1198 screen.cur.row += row;
1199 }
1200 else if (row < 0)
1201 {
1202 if (screen.cur.row >= screen.tscroll
1203 && (screen.cur.row + row) < screen.tscroll)
1204 screen.cur.row = screen.tscroll;
1205 else
1206 screen.cur.row += row;
1207 }
1208 }
1209 else
1093 } 1210 {
1094 MAX_IT(screen.cur.row, 0); 1211 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1212 {
1096} 1213 /* relative origin mode */
1214 screen.cur.row = row + screen.tscroll;
1215 min_it (screen.cur.row, screen.bscroll);
1216 }
1217 else
1218 screen.cur.row = row;
1219 }
1097 1220
1221 clamp_it (screen.cur.row, 0, nrow - 1);
1222}
1223
1098/* ------------------------------------------------------------------------- */ 1224/* ------------------------------------------------------------------------- */
1099/* 1225/*
1100 * direction should be UP or DN 1226 * direction should be UP or DN
1101 */ 1227 */
1102void 1228void
1103rxvt_term::scr_index (enum page_dirn direction) 1229rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1104{ 1230{
1105 int dirn; 1231 int dirn;
1106 1232
1107 want_refresh = 1; 1233 want_refresh = 1;
1234 ZERO_SCROLLBACK ();
1235
1108 dirn = ((direction == UP) ? 1 : -1); 1236 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110 1237
1111 ZERO_SCROLLBACK();
1112
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1238 screen.flags &= ~Screen_WrapNext;
1239
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1240 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1241 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1242 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1122 else 1243 else
1123 screen.cur.row += dirn; 1244 screen.cur.row += dirn;
1124 MAX_IT(screen.cur.row, 0); 1245
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1246 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1247 selection_check (0);
1127} 1248}
1128 1249
1129/* ------------------------------------------------------------------------- */ 1250/* ------------------------------------------------------------------------- */
1130/* 1251/*
1131 * Erase part or whole of a line 1252 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1253 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1254 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1255 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1256 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1257 */
1136void 1258void
1137rxvt_term::scr_erase_line (int mode) 1259rxvt_term::scr_erase_line (int mode) NOTHROW
1138{ 1260{
1139 unsigned int row, col, num; 1261 unsigned int col, num;
1140 1262
1141 want_refresh = 1; 1263 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1264 ZERO_SCROLLBACK ();
1144 1265
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1266 selection_check (1);
1151 1267
1152 screen.flags &= ~Screen_WrapNext; 1268 line_t &line = ROW(screen.cur.row);
1153 1269
1154 row = TermWin.saveLines + screen.cur.row; 1270 line.touch ();
1271 line.is_longer (0);
1272
1155 switch (mode) 1273 switch (mode)
1156 { 1274 {
1275 case 3:
1276 if (screen.flags & Screen_WrapNext)
1277 return;
1278
1279 /* fall through */
1280
1157 case 0: /* erase to end of line */ 1281 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1282 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1283 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1284 min_it (line.l, col);
1285
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1286 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1287 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1288 CLEAR_SELECTION ();
1164 break; 1289 break;
1290
1165 case 1: /* erase to beginning of line */ 1291 case 1: /* erase to beginning of line */
1166 col = 0; 1292 col = 0;
1167 num = screen.cur.col + 1; 1293 num = screen.cur.col + 1;
1294
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1295 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1296 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1297 CLEAR_SELECTION ();
1171 break; 1298 break;
1299
1172 case 2: /* erase whole line */ 1300 case 2: /* erase whole line */
1173 col = 0; 1301 col = 0;
1174 num = TermWin.ncol; 1302 num = ncol;
1175 screen.tlen[row] = 0; 1303 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1304 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1305 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1306 CLEAR_SELECTION ();
1179 break; 1307 break;
1180 default: 1308 default:
1181 return; 1309 return;
1182 } 1310 }
1183 1311
1184 if (screen.text[row]) 1312 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} 1313}
1190 1314
1191/* ------------------------------------------------------------------------- */ 1315/* ------------------------------------------------------------------------- */
1192/* 1316/*
1193 * Erase part of whole of the screen 1317 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1318 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1319 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1320 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1321 */
1198void 1322void
1199rxvt_term::scr_erase_screen (int mode) 1323rxvt_term::scr_erase_screen (int mode) NOTHROW
1200{ 1324{
1201 int num; 1325 int num;
1202 int32_t row, row_offset; 1326 int32_t row;
1203 rend_t ren; 1327 rend_t ren;
1204 XGCValues gcvalue; 1328 XGCValues gcvalue;
1205 1329
1206 want_refresh = 1; 1330 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1331 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1332
1211 switch (mode) { 1333 switch (mode)
1334 {
1212 case 0: /* erase to end of screen */ 1335 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1336 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1337 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1338 num = nrow - row;
1217 break; 1339 break;
1218 case 1: /* erase to beginning of screen */ 1340 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1341 scr_erase_line (1);
1221 row = 0; 1342 row = 0;
1222 num = screen.cur.row; 1343 num = screen.cur.row;
1223 break; 1344 break;
1224 case 2: /* erase whole screen */ 1345 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1346 row = 0;
1230 num = TermWin.nrow; 1347 num = nrow;
1231 break; 1348 break;
1232 default: 1349 default:
1233 return; 1350 return;
1234 } 1351 }
1235 refresh_type |= REFRESH_BOUNDS; 1352
1236 if (selection.op && current_screen == selection.screen 1353 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1354 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1355 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1356 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1357 CLEAR_SELECTION ();
1358
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1359 if (row >= nrow) /* Out Of Bounds */
1242 return; 1360 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1361
1362 min_it (num, nrow - row);
1363
1244 if (rstyle & (RS_RVid | RS_Uline)) 1364 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1365 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1366 else if (GET_BASEBG (rstyle) == Color_bg)
1367 {
1247 ren = DEFAULT_RSTYLE; 1368 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1369
1249 } else { 1370 if (mapped)
1371 XClearArea (dpy, vt, 0,
1372 Row2Pixel (row - view_start), (unsigned int)vt_width,
1373 (unsigned int)Height2Pixel (num), False);
1374 }
1375 else
1376 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1377 ren = rstyle & (RS_fgMask | RS_bgMask);
1378
1379 if (mapped)
1380 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1381 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1382 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1383 XFillRectangle (dpy, vt, gc,
1384 0, Row2Pixel (row - view_start),
1385 (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1387 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1388 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1389 }
1256 } 1390 }
1391
1257 for (; num--; row++) { 1392 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 } 1393 {
1394 scr_blank_screen_mem (ROW(row), rstyle);
1395
1396 if (row - view_start < nrow)
1397 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1398 }
1264} 1399}
1400
1401#if !ENABLE_MINIMAL
1402void
1403rxvt_term::scr_erase_savelines () NOTHROW
1404{
1405 want_refresh = 1;
1406 ZERO_SCROLLBACK ();
1407
1408 top_row = 0;
1409}
1410#endif
1265 1411
1266/* ------------------------------------------------------------------------- */ 1412/* ------------------------------------------------------------------------- */
1267/* 1413/*
1268 * Fill the screen with `E's 1414 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1415 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1416 */
1271void 1417void
1272rxvt_term::scr_E () 1418rxvt_term::scr_E () NOTHROW
1273{ 1419{
1274 int i, j, k; 1420 rend_t fs;
1275 rend_t *r1, fs;
1276 1421
1277 want_refresh = 1; 1422 want_refresh = 1;
1423 ZERO_SCROLLBACK ();
1424
1278 num_scr_allow = 0; 1425 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1426
1427 row_col_t pos;
1428 pos.row = pos.col = 0;
1429 if (ROWCOL_IS_AFTER (selection.end, pos))
1430 CLEAR_SELECTION ();
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, vt_width, vt_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 bool 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 bool showcursor = screen.flags & Screen_VisibleCursor;
2070
2071 /*
2072 * C: set the cursor character (s)
2073 */
2074 {
2075 bool 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#ifdef XPM_BACKGROUND 2086 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
1877 must_clear |= (bgPixmap.pixmap != None); 2087 col--;
1878#endif
1879#ifdef TRANSPARENT
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883 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;
1980 2172
1981 j = TermWin.nrow; 2173 j = nrow;
1982 wlen = len = -1; 2174 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2175 row = i > 0 ? 0 : j - 1;
2176
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2177 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2178 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2179 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2180 {
1988 stp = screen.text[row + row_offset]; 2181 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2182 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2183 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2184
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2185 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2186 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2187 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2188 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2189 nits++;
2000 2190
2001 if (nits > 8) /* XXX: arbitrary choice */ 2191 if (nits > 8) /* XXX: arbitrary choice */
2192 {
2193 for (col = ncol; col--; )
2194 {
2195 *d.t++ = *d2.t++;
2196 *d.r++ = *d2.r++;
2197 }
2198
2199 if (len == -1)
2200 len = row;
2201
2202 wlen = row;
2203 continue;
2204 }
2205 }
2206
2207 if (len >= 0)
2208 {
2209 /* also comes here at end if needed because of >= above */
2210 if (wlen < len)
2211 ::swap (wlen, len);
2212
2213 XGCValues gcv;
2214
2215 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2216 XCopyArea (dpy, vt, vt,
2217 gc, 0, Row2Pixel (len + i),
2218 (unsigned int)this->width,
2219 (unsigned int)Height2Pixel (wlen - len + 1),
2220 0, Row2Pixel (len));
2221 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2222
2223 len = -1;
2224 }
2225 }
2226 }
2227#endif
2228
2229 /*
2230 * E: main pass across every character
2231 */
2232 for (row = 0; row < nrow; row++)
2233 {
2234 text_t *stp = ROW(view_start + row).t;
2235 rend_t *srp = ROW(view_start + row).r;
2236 text_t *dtp = drawn_buf[row].t;
2237 rend_t *drp = drawn_buf[row].r;
2238
2239 /*
2240 * E2: OK, now the real pass
2241 */
2242 int ypixel = (int)Row2Pixel (row);
2243
2244 for (col = 0; col < ncol; col++)
2245 {
2246 /* compare new text with old - if exactly the same then continue */
2247 if (stp[col] == dtp[col] /* Must match characters to skip. */
2248 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2249 || (stp[col] == ' ' /* space w/ no background change */
2250 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2251 continue;
2252
2253 // redraw one or more characters
2254
2255 // seek to the beginning of wide characters
2256 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2257 --col;
2258
2259 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2260 text_t *text = stp + col;
2261 int count = 1;
2262
2263 dtp[col] = stp[col];
2264 drp[col] = rend;
2265
2266 int xpixel = Col2Pixel (col);
2267
2268 for (i = 0; ++col < ncol; )
2269 {
2270 if (stp[col] == NOCHAR)
2271 {
2272 dtp[col] = stp[col];
2273 drp[col] = srp[col];
2274
2275 count++;
2276 i++;
2277
2278 continue;
2279 }
2280
2281 if (!RS_SAME (rend, srp[col]))
2282 break;
2283
2284 count++;
2285
2286 if (stp[col] != dtp[col]
2287 || !RS_SAME (srp[col], drp[col]))
2288 {
2289 if (have_bg && (i++ > count / 2))
2290 break;
2291
2292 dtp[col] = stp[col];
2293 drp[col] = rend;
2294 i = 0;
2295 }
2296 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2297 break;
2298 }
2299
2300 col--; /* went one too far. move back */
2301 count -= i; /* dump any matching trailing chars */
2302
2303 // sometimes we optimize away the trailing NOCHAR's, add them back
2304 while (ecb_unlikely (i && text[count] == NOCHAR))
2305 count++, i--;
2306
2307 /*
2308 * Determine the attributes for the string
2309 */
2310 int fore = fgcolor_of (rend); // desired foreground
2311 int back = bgcolor_of (rend); // desired background
2312
2313 // only do special processing if any attributes are set, which is unlikely
2314 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2315 {
2316 bool invert = rend & RS_RVid;
2317
2318#ifndef NO_BOLD_UNDERLINE_REVERSE
2319 if (rend & RS_Bold && fore == Color_fg)
2320 {
2321 if (ISSET_PIXCOLOR (Color_BD))
2322 fore = Color_BD;
2323# if !ENABLE_STYLES
2324 else
2325 invert = !invert;
2326# endif
2327 }
2328
2329 if (rend & RS_Italic && fore == Color_fg)
2330 {
2331 if (ISSET_PIXCOLOR (Color_IT))
2332 fore = Color_IT;
2333# if !ENABLE_STYLES
2334 else
2335 invert = !invert;
2336# endif
2337 }
2338
2339 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2340 fore = Color_UL;
2341#endif
2342
2343#ifdef OPTION_HC
2344 if (rend & RS_Sel)
2345 {
2346 /* invert the column if no highlightColor is set or it is the
2347 * current cursor column */
2348 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2349 && ISSET_PIXCOLOR (Color_HC))
2350 {
2351 if (ISSET_PIXCOLOR (Color_HTC))
2352 fore = Color_HTC;
2353 // if invert is 0 reverse video is set so we use bg color as fg color
2354 else if (!invert)
2355 fore = back;
2356
2357 back = Color_HC;
2358 invert = 0;
2359 }
2360 }
2361#endif
2362
2363 if (invert)
2364 {
2365 ::swap (fore, back);
2366
2367#ifndef NO_BOLD_UNDERLINE_REVERSE
2368 if (fore == back)
2369 {
2370 fore = Color_bg;
2371 back = Color_fg;
2372 }
2373#endif
2374 }
2375
2376#ifdef TEXT_BLINK
2377 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2378 {
2379 if (!text_blink_ev.is_active ())
2380 {
2381 text_blink_ev.again ();
2382 hidden_text = 0;
2383 }
2384 else if (hidden_text)
2385 fore = back;
2386 }
2387#endif
2388
2389#if ENABLE_STYLES
2390 // "careful" (too wide) character handling
2391
2392 // include previous careful character(s) if possible, looks nicer (best effort...)
2393 while (text > stp
2394 && srp[text - stp - 1] & RS_Careful
2395 && RS_SAME (rend, srp[text - stp - 1]))
2396 text--, count++, xpixel -= fwidth;
2397
2398 // force redraw after "careful" characters to avoid pixel droppings
2399 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2400 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2401
2402 // force redraw before "careful" characters to avoid pixel droppings
2403 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2404 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2405#endif
2406 }
2407
2408 /*
2409 * Actually do the drawing of the string here
2410 */
2411 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2412
2413 if (ecb_likely (have_bg && back == Color_bg))
2414 {
2415 // this is very ugly, maybe push it into ->draw?
2416
2417 for (i = 0; i < count; i++) /* don't draw empty strings */
2418 if (text[i] != ' ')
2002 { 2419 {
2003 for (col = TermWin.ncol; col--; ) 2420 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2421 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 } 2422 }
2423
2424 CLEAR_CHARS (xpixel, ypixel, count);
2425 did_clear: ;
2015 } 2426 }
2427 else
2428 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2429
2017 if (len != -1) 2430 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2431 {
2019 /* also comes here at end if needed because of >= above */ 2432#if ENABLE_FRILLS
2020 if (wlen < len) 2433 if (ISSET_PIXCOLOR (Color_underline))
2021 SWAP_IT(wlen, len, int); 2434 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2435 else
2436#endif
2437 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2438
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2439 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2440 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2441 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 } 2442 }
2031 } 2443 } /* for (col....) */
2032 } 2444 } /* for (row....) */
2033#endif
2034 2445
2035 /* 2446 /*
2036 * E: main pass across every character 2447 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2448 */
2038 for (row = 0; row < TermWin.nrow; row++) 2449 if (showcursor)
2039 { 2450 {
2040 stp = screen.text[row + row_offset]; 2451 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 { 2452 {
2052 /* compare new text with old - if exactly the same then continue */ 2453 if (option (Opt_cursorUnderline))
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2454 *crp ^= RS_Uline;
2054 2455 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 { 2456 {
2078 if (stp[col] == NOCHAR) 2457 *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 2458#ifndef NO_CURSORCOLOR
2459 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2460#endif
2461 }
2462 }
2463 else if (oldcursor.row >= 0)
2464 {
2465 int cursorwidth = 1;
2466 int col = oldcursor.col;
2467
2468 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2469 col--;
2470
2471 while (col + cursorwidth < ncol
2472 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2473 cursorwidth++;
2474
2475#ifndef NO_CURSORCOLOR
2141 && !ISSET_PIXCOLOR (Color_cursor) 2476 if (ISSET_PIXCOLOR (Color_cursor))
2477 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2478 else
2479#endif
2480 XSetForeground (dpy, gc, pix_colors[ccol1]);
2481
2482 XDrawRectangle (dpy, vt, gc,
2483 Col2Pixel (col),
2484 Row2Pixel (oldcursor.row),
2485 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2486 (unsigned int) (Height2Pixel (1) - 1));
2487 }
2488 }
2489
2490 /*
2491 * H: cleanup selection
2492 */
2493#if ENABLE_OVERLAY
2494 scr_swap_overlay ();
2495#endif
2496 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2497
2498 scr_reverse_selection ();
2499
2500 screen.flags = old_screen_flags;
2501 num_scr = 0;
2502 num_scr_allow = 1;
2503}
2504
2505void
2506rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2507{
2508 if (!l.t)
2509 return;
2510
2511 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2512
2513 for (int i = ncol; i--; )
2514 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2515}
2516
2517void
2518rxvt_term::scr_remap_chars () NOTHROW
2519{
2520 for (int i = total_rows; i--; )
2521 scr_remap_chars (row_buf [i]);
2522
2523 for (int i = nrow; i--; )
2524 {
2525 scr_remap_chars (drawn_buf [i]);
2526 scr_remap_chars (swap_buf [i]);
2527 }
2528}
2529
2530void
2531rxvt_term::scr_recolour (bool refresh) NOTHROW
2532{
2533 bool transparent = false;
2534
2535#ifdef HAVE_BG_PIXMAP
2536 if (bg_pixmap != None)
2537 {
2538# ifdef ENABLE_TRANSPARENCY
2539 if (bg_flags & BG_IS_TRANSPARENT)
2540 {
2541 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2542 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2543
2544 transparent = true;
2545 }
2546 else
2142# endif 2547# 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 CLEAR_CHARS (xpixel, ypixel, count);
2172
2173 for (i = 0; i < count; i++) /* don't draw empty strings */
2174 if (text[i] != ' ')
2175 {
2176 font->draw (xpixel, ypixel, text, count, fore, -1);
2177 break;
2178 }
2179 }
2180 else
2181 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2182 }
2183 else
2184 font->draw (xpixel, ypixel, text, count, fore, back);
2185
2186 if ((rend & RS_Uline) && (font->descent > 1))
2187 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2188 xpixel, ypixel + font->ascent + 1,
2189 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2190 } /* for (col....) */
2191 } /* for (row....) */
2192
2193 /*
2194 * G: cleanup cursor and display outline cursor if necessary
2195 */
2196 if (showcursor) {
2197 if (TermWin.focus) {
2198 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2199 [screen.cur.col]);
2200 *srp ^= RS_RVid;
2201#ifndef NO_CURSORCOLOR
2202 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2203#endif
2204 } else if (oldcursor.row >= 0) {
2205#ifndef NO_CURSORCOLOR
2206 if (ISSET_PIXCOLOR (Color_cursor))
2207 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2208#endif
2209 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2210 Col2Pixel(oldcursor.col),
2211 Row2Pixel(oldcursor.row),
2212 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2213 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2214 } 2548 {
2215 } 2549 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2216 2550 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2217 /*
2218 * H: cleanup selection
2219 */
2220 scr_reverse_selection ();
2221
2222 /*
2223 * I: other general cleanup
2224 */
2225 if (clearfirst && TermWin.int_bwidth)
2226 /* 2551 }
2227 * clear the whole screen height, note that width == 0 is treated 2552 }
2228 * specially by XClearArea 2553 else
2229 */ 2554#endif
2230 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2555 {
2231 (unsigned int)TermWin.int_bwidth, 2556 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2232 (unsigned int)TermWin_TotalHeight(), False); 2557 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2233 if (clearlast && TermWin.int_bwidth) 2558 }
2234 /*
2235 * clear the whole screen height, note that width == 0 is treated
2236 * specially by XClearArea
2237 */
2238 XClearArea(Xdisplay, TermWin.vt,
2239 TermWin.width + TermWin.int_bwidth, 0,
2240 (unsigned int)TermWin.int_bwidth,
2241 (unsigned int)TermWin_TotalHeight(), False);
2242 if (refresh_type & SMOOTH_REFRESH)
2243 XSync(Xdisplay, False);
2244 2559
2245 num_scr = 0; 2560 XClearWindow (dpy, parent);
2246 num_scr_allow = 1;
2247 want_refresh = 0; /* screen is current */
2248}
2249 2561
2562 if (scrollBar.win)
2563 {
2564 if (transparent)
2565 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2566 else
2567 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2568 scrollBar.state = SB_STATE_IDLE;
2569 scrollBar.show (0);
2570 }
2571
2572 if (refresh)
2573 {
2574 scr_clear ();
2575 scr_touch (true);
2576 }
2577 want_refresh = 1;
2578}
2579
2250/* ------------------------------------------------------------------------- */ 2580/* ------------------------------------------------------------------------- */
2251void 2581void
2252rxvt_term::scr_clear() 2582rxvt_term::scr_clear (bool really) NOTHROW
2253{ 2583{
2254 if (!TermWin.mapped) 2584 if (!mapped)
2255 return; 2585 return;
2256 2586
2257 num_scr_allow = 0; 2587 num_scr_allow = 0;
2258 want_refresh = 1; 2588 want_refresh = 1;
2259#ifdef TRANSPARENT 2589
2260 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2590 if (really)
2591 XClearWindow (dpy, vt);
2592}
2593
2594void
2595rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2596{
2597 int view_end = view_start + nrow;
2598 int row, col;
2599
2600 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2601 {
2602 text_t *stp = ROW(row).t;
2603 rend_t *srp = ROW(row).r;
2604
2605 for (col = beg_col; col < end_col; col++)
2606 srp[col] ^= rstyle1;
2607
2608 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2609 srp[col] ^= rstyle2;
2610
2611 if (++col < end_col)
2612 srp[col] ^= rstyle2;
2261 { 2613 }
2262 int i; 2614}
2263 2615
2264 if (!(Options & Opt_transparent_all)) 2616void
2617rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2618{
2619 int view_end = view_start + nrow;
2620 int row, col;
2621
2622 if (beg_row >= view_start)
2623 {
2624 col = beg_col;
2625 row = beg_row;
2626 }
2627 else
2628 {
2265 i = 0; 2629 col = 0;
2630 row = view_start;
2631 }
2632
2633 for (; row < min (end_row, view_end); row++, col = 0)
2634 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2635 srp[col] ^= rstyle;
2636
2637 if (row == end_row)
2638 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2639 srp[col] ^= rstyle;
2640}
2641
2642/* ------------------------------------------------------------------------- */
2643void
2644rxvt_term::scr_reverse_selection () NOTHROW
2645{
2646 if (selection.op
2647 && current_screen == selection.screen
2648 && selection.end.row >= view_start)
2649 {
2650#if !ENABLE_MINIMAL
2651 if (selection.rect)
2652 scr_xor_rect (selection.beg.row, selection.beg.col,
2653 selection.end.row, selection.end.col,
2654 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2266 else 2655 else
2267 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2268
2269 while (i--)
2270 if (TermWin.parent[i] != None)
2271 XClearWindow(Xdisplay, TermWin.parent[i]);
2272 }
2273#endif 2656#endif
2274 2657 scr_xor_span (selection.beg.row, selection.beg.col,
2275 XClearWindow (Xdisplay, TermWin.vt); 2658 selection.end.row, selection.end.col,
2276} 2659 RS_Sel | RS_RVid);
2277
2278/* ------------------------------------------------------------------------- */
2279void
2280rxvt_term::scr_reverse_selection ()
2281{
2282 int i, col, row, end_row;
2283 rend_t *srp;
2284
2285 if (selection.op && current_screen == selection.screen) {
2286 end_row = TermWin.saveLines - TermWin.view_start;
2287 i = selection.beg.row + TermWin.saveLines;
2288 row = selection.end.row + TermWin.saveLines;
2289 if (i >= end_row)
2290 col = selection.beg.col;
2291 else {
2292 col = 0;
2293 i = end_row;
2294 }
2295 end_row += TermWin.nrow;
2296 for (; i < row && i < end_row; i++, col = 0)
2297 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2298 srp[col] ^= RS_RVid;
2299 if (i == row && i < end_row)
2300 for (srp = screen.rend[i]; col < selection.end.col; col++)
2301 srp[col] ^= RS_RVid;
2302 } 2660 }
2303} 2661}
2304 2662
2305/* ------------------------------------------------------------------------- */ 2663/* ------------------------------------------------------------------------- */
2306/* 2664/*
2307 * Dump the whole scrollback and screen to the passed filedescriptor. The 2665 * Dump the whole scrollback and screen to the passed filedescriptor. The
2308 * invoking routine must close the fd. 2666 * invoking routine must close the fd.
2309 */ 2667 */
2310#if 0 2668#if 0
2311void 2669void
2312rxvt_term::scr_dump (int fd) 2670rxvt_term::scr_dump (int fd) NOTHROW
2313{ 2671{
2314 int row, wrote; 2672 // if this method is needed, it can be implemented by factoring the
2315 unsigned int width, towrite; 2673 // relevant code in scr_printscreen
2316 char r1[] = "\n";
2317
2318 for (row = TermWin.saveLines - TermWin.nscrolled;
2319 row < TermWin.saveLines + TermWin.nrow - 1; row++) {
2320 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2321 : TermWin.ncol;
2322 for (towrite = width; towrite; towrite -= wrote) {
2323 wrote = write(fd, &(screen.text[row][width - towrite]),
2324 towrite);
2325 if (wrote < 0)
2326 return; /* XXX: death, no report */
2327 }
2328 if (screen.tlen[row] >= 0)
2329 if (write(fd, r1, 1) <= 0)
2330 return; /* XXX: death, no report */
2331 }
2332} 2674}
2333#endif 2675#endif
2334 2676
2335/* ------------------------------------------------------------------------- * 2677/* ------------------------------------------------------------------------- *
2336 * CHARACTER SELECTION * 2678 * CHARACTER SELECTION *
2337 * ------------------------------------------------------------------------- */ 2679 * ------------------------------------------------------------------------- */
2338
2339/*
2340 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2341 */
2342void 2680void
2343rxvt_term::selection_check (int check_more) 2681rxvt_term::selection_check (int check_more) NOTHROW
2344{ 2682{
2345 row_col_t pos;
2346
2347 if (!selection.op) 2683 if (!selection.op)
2348 return; 2684 return;
2349 2685
2350 pos.row = pos.col = 0; 2686 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2351 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2687 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2352 || (selection.beg.row >= TermWin.nrow) 2688 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2353 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2354 || (selection.mark.row >= TermWin.nrow)
2355 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2356 || (selection.end.row >= TermWin.nrow)
2357 || (check_more == 1 2689 || (check_more == 1
2358 && current_screen == selection.screen 2690 && current_screen == selection.screen
2359 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2691 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2360 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2692 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2361 || (check_more == 2
2362 && ROWCOL_IS_BEFORE(selection.beg, pos)
2363 && ROWCOL_IS_AFTER(selection.end, pos))
2364 || (check_more == 3
2365 && ROWCOL_IS_AFTER(selection.end, pos))
2366 || (check_more == 4 /* screen width change */
2367 && (selection.beg.row != selection.end.row
2368 || selection.end.col > TermWin.ncol)))
2369 CLEAR_SELECTION(); 2693 CLEAR_ALL_SELECTION ();
2370} 2694}
2371 2695
2372/* ------------------------------------------------------------------------- */ 2696/* ------------------------------------------------------------------------- */
2373/* 2697/*
2374 * Paste a selection direct to the command fd 2698 * Paste a selection direct to the command fd
2375 */ 2699 */
2376void 2700void
2377rxvt_term::paste (const unsigned char *data, unsigned int len) 2701rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2378{ 2702{
2379 unsigned int i, j, n;
2380 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2381
2382#if 0
2383 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2384 ZERO_SCROLLBACK (r);
2385#endif
2386
2387 /* convert normal newline chars into common keyboard Return key sequence */ 2703 /* convert normal newline chars into common keyboard Return key sequence */
2388 for (i = 0; i < len; i += PROP_SIZE) 2704 for (unsigned int i = 0; i < len; i++)
2389 { 2705 if (data[i] == C0_LF)
2390 n = min (len - i, PROP_SIZE); 2706 data[i] = C0_CR;
2391 MEMCPY (ds, data + i, n);
2392 2707
2393 for (j = 0; j < n; j++) 2708 if (priv_modes & PrivMode_BracketPaste)
2394 if (ds[j] == '\n') 2709 tt_printf ("\x1b[200~");
2395 ds[j] = '\r';
2396 2710
2397 tt_write (ds, (int)n); 2711 tt_write (data, len);
2398 }
2399 2712
2400 free(ds); 2713 if (priv_modes & PrivMode_BracketPaste)
2714 tt_printf ("\x1b[201~");
2401} 2715}
2402 2716
2403/* ------------------------------------------------------------------------- */ 2717void
2404/* 2718rxvt_term::paste (char *data, unsigned int len) NOTHROW
2405 * Respond to a notification that a primary selection has been sent
2406 * EXT: SelectionNotify
2407 */
2408int
2409rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2410{ 2719{
2411 long nread = 0; 2720 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2412 unsigned long bytes_after;
2413 XTextProperty ct;
2414
2415 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2416
2417 if (prop == None) /* check for failed XConvertSelection */
2418 {
2419 if ((selection_type & Sel_CompoundText))
2420 {
2421 int selnum = selection_type & Sel_whereMask;
2422
2423 selection_type = 0;
2424 if (selnum != Sel_direct)
2425 selection_request_other (XA_STRING, selnum);
2426 }
2427
2428 if ((selection_type & Sel_UTF8String))
2429 {
2430 int selnum = selection_type & Sel_whereMask;
2431
2432 selection_type = Sel_CompoundText;
2433 if (selnum != Sel_direct)
2434 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2435 else
2436 selection_type = 0;
2437 }
2438
2439 return 0; 2721 return;
2440 }
2441 2722
2442 for (;;) 2723 tt_paste (data, len);
2443 {
2444 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2445 (long)(PROP_SIZE / 4), delete_prop,
2446 AnyPropertyType, &ct.encoding, &ct.format,
2447 &ct.nitems, &bytes_after,
2448 &ct.value) != Success)
2449 break;
2450
2451 if (ct.encoding == 0)
2452 {
2453 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2454 break;
2455 }
2456
2457 if (ct.value == NULL)
2458 {
2459 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2460 continue;
2461 }
2462
2463 if (ct.nitems == 0)
2464 {
2465 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2466 if (selection_wait == Sel_normal && nread == 0)
2467 {
2468 /*
2469 * pass through again trying CUT_BUFFER0 if we've come from
2470 * XConvertSelection() but nothing was presented
2471 */
2472 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2473 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2474 }
2475
2476 nread = -1; /* discount any previous stuff */
2477 break;
2478 }
2479
2480 nread += ct.nitems;
2481
2482 char **cl;
2483 int cr;
2484 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2485 &cr) >= 0 && cl)
2486 {
2487 for (int i = 0; i < cr; i++)
2488 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2489
2490 XFreeStringList (cl);
2491 }
2492 else
2493 paste (ct.value, ct.nitems);
2494
2495 if (bytes_after == 0)
2496 break;
2497
2498 XFree (ct.value);
2499 }
2500
2501 if (ct.value)
2502 XFree (ct.value);
2503
2504 if (selection_wait == Sel_normal)
2505 selection_wait = Sel_none;
2506
2507 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2508 return (int)nread;
2509} 2724}
2510 2725
2511void
2512rxvt_term::incr_cb (time_watcher &w)
2513{
2514 selection_wait = Sel_none;
2515
2516 rxvt_print_error ("data loss: timeout on INCR selection paste");
2517}
2518
2519/*
2520 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2521 */
2522void
2523rxvt_term::selection_property (Window win, Atom prop)
2524{
2525 int reget_time = 0;
2526
2527 if (prop == None)
2528 return;
2529 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2530 if (selection_wait == Sel_normal) {
2531 int a, afmt;
2532 Atom atype;
2533 unsigned long bytes_after, nitems;
2534 unsigned char *s = NULL;
2535
2536 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2537 xa[XA_INCR], &atype, &afmt, &nitems,
2538 &bytes_after, &s);
2539 if (s)
2540 XFree(s);
2541 if (a != Success)
2542 return;
2543#ifndef __CYGWIN32__
2544 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2545 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2546 XDeleteProperty(Xdisplay, win, prop);
2547 XFlush(Xdisplay);
2548 reget_time = 1;
2549 selection_wait = Sel_incr;
2550 }
2551#endif
2552 } else if (selection_wait == Sel_incr) {
2553 reget_time = 1;
2554 if (selection_paste (win, prop, True) == -1) {
2555 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2556 selection_wait = Sel_none;
2557 incr_ev.stop ();
2558 }
2559 }
2560 if (reget_time) /* received more data so reget time */
2561 incr_ev.start (NOW + 10);
2562}
2563/* ------------------------------------------------------------------------- */ 2726/* ------------------------------------------------------------------------- */
2564/* 2727/*
2565 * Request the current selection: 2728 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2566 * Order: > internal selection if available 2729 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2567 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2730 * as fallback
2568 * > CUT_BUFFER0
2569 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2570 * will auto fallback to CUT_BUFFER0
2571 * EXT: button 2 release 2731 * EXT: button 2 release
2572 */ 2732 */
2573void 2733void
2574rxvt_term::selection_request (Time tm, int x, int y) 2734rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2575{ 2735{
2576 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2736 if (!selection_req)
2577 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2578 return; /* outside window */
2579
2580 if (selection.text != NULL) { /* internal selection */
2581 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2582 paste (selection.text, selection.len);
2583 return;
2584 } else {
2585 int i;
2586
2587 selection_request_time = tm;
2588 selection_wait = Sel_normal;
2589 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2590#if X_HAVE_UTF8_STRING
2591 selection_type = Sel_UTF8String;
2592 if (selection_request_other (xa[XA_UTF8_STRING], i))
2593 return;
2594#else
2595 selection_type = Sel_CompoundText;
2596 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2597 return;
2598#endif
2599 }
2600 } 2737 {
2601 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2738 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2602 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2739 selection_req->run ();
2603 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2604}
2605
2606int
2607rxvt_term::selection_request_other (Atom target, int selnum)
2608{
2609 Atom sel;
2610#ifdef DEBUG_SELECT
2611 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2612#endif
2613
2614 selection_type |= selnum;
2615 if (selnum == Sel_Primary)
2616 sel = XA_PRIMARY;
2617 else if (selnum == Sel_Secondary)
2618 sel = XA_SECONDARY;
2619 else
2620 sel = xa[XA_CLIPBOARD];
2621 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2622 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2623 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2624 TermWin.vt, selection_request_time);
2625 return 1;
2626 } 2740 }
2627 return 0;
2628} 2741}
2629 2742
2630/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2631/* 2744/*
2632 * Clear all selected text 2745 * Clear all selected text
2633 * EXT: SelectionClear 2746 * EXT: SelectionClear
2634 */ 2747 */
2635void 2748void
2636rxvt_term::selection_clear () 2749rxvt_term::selection_clear (bool clipboard) NOTHROW
2637{ 2750{
2638 D_SELECT((stderr, "rxvt_selection_clear()")); 2751 if (!clipboard)
2639 2752 {
2640 want_refresh = 1; 2753 want_refresh = 1;
2641 if (selection.text)
2642 free(selection.text); 2754 free (selection.text);
2643 selection.text = NULL; 2755 selection.text = NULL;
2644 selection.len = 0; 2756 selection.len = 0;
2645 CLEAR_SELECTION(); 2757 CLEAR_SELECTION ();
2758
2759 if (display->selection_owner == this)
2760 display->selection_owner = 0;
2761 }
2762 else
2763 {
2764 free (selection.clip_text);
2765 selection.clip_text = NULL;
2766 selection.clip_len = 0;
2767
2768 if (display->clipboard_owner == this)
2769 display->clipboard_owner = 0;
2770 }
2646} 2771}
2647 2772
2648/* ------------------------------------------------------------------------- */ 2773/* ------------------------------------------------------------------------- */
2649/* 2774/*
2650 * Copy a selection into the cut buffer 2775 * Copy a selection into the cut buffer
2651 * EXT: button 1 or 3 release 2776 * EXT: button 1 or 3 release
2652 */ 2777 */
2653void 2778void
2654rxvt_term::selection_make (Time tm) 2779rxvt_term::selection_make (Time tm)
2655{ 2780{
2656 int i, col, end_col, row, end_row; 2781 int size;
2657 unsigned char *new_selection_text; 2782 wchar_t *new_selection_text;
2658 char *str; 2783 text_t *t;
2659 text_t *t;
2660#ifdef ACS_ASCII
2661 rend_t *re;
2662#endif
2663 2784
2664 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2665 switch (selection.op) { 2785 switch (selection.op)
2786 {
2666 case SELECTION_CONT: 2787 case SELECTION_CONT:
2667 break; 2788 break;
2668 case SELECTION_INIT: 2789 case SELECTION_INIT:
2669 CLEAR_SELECTION(); 2790 CLEAR_SELECTION ();
2670 /* FALLTHROUGH */ 2791 /* FALLTHROUGH */
2671 case SELECTION_BEGIN: 2792 case SELECTION_BEGIN:
2672 selection.op = SELECTION_DONE; 2793 selection.op = SELECTION_DONE;
2673 /* FALLTHROUGH */ 2794 /* FALLTHROUGH */
2674 default: 2795 default:
2675 return; 2796 return;
2676 } 2797 }
2798
2677 selection.op = SELECTION_DONE; 2799 selection.op = SELECTION_DONE;
2678 2800
2679 if (selection.clicks == 4) 2801 if (selection.clicks == 4)
2680 return; /* nothing selected, go away */ 2802 return; /* nothing selected, go away */
2681 2803
2804 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2805 return;
2806
2682 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2807 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2683 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2808 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2684 2809
2685 new_selection_text = (unsigned char *)str; 2810 int ofs = 0;
2811 int extra = 0;
2686 2812
2687 col = selection.beg.col; 2813 int col = selection.beg.col;
2688 MAX_IT(col, 0); 2814 int row = selection.beg.row;
2689 row = selection.beg.row + TermWin.saveLines;
2690 end_row = selection.end.row + TermWin.saveLines;
2691 2815
2816 int end_col;
2817
2692 for (; row <= end_row; row++, col = 0) 2818 for (; row <= selection.end.row; row++, col = 0)
2819 {
2820#if !ENABLE_MINIMAL
2821 if (selection.rect)
2693 { 2822 {
2694 t = &(screen.text[row][col]); 2823 col = selection.beg.col;
2695
2696 end_col = screen.tlen[row];
2697
2698 if (end_col == -1)
2699 end_col = TermWin.ncol; 2824 end_col = selection.end.col;
2825 }
2826 else
2827#endif
2828 end_col = ROW(row).l;
2700 2829
2830 col = max (col, 0);
2831
2701 if (row == end_row) 2832 if (row == selection.end.row)
2702 MIN_IT (end_col, selection.end.col); 2833 min_it (end_col, selection.end.col);
2703 2834
2835 t = ROW(row).t + col;
2836
2704 for (; col < end_col; col++) 2837 for (; col < end_col; col++)
2838 {
2705 if (*t == NOCHAR) 2839 if (*t == NOCHAR)
2706 t++; 2840 t++;
2841#if ENABLE_COMBINING
2842 else if (IS_COMPOSE (*t))
2843 {
2844 int len = rxvt_composite.expand (*t, 0);
2845
2846 extra -= (len - 1);
2847
2848 if (extra < 0)
2849 {
2850 extra += size;
2851 size += size;
2852 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2853 }
2854
2855 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2856 }
2857#endif
2707 else 2858 else
2708 { 2859 new_selection_text[ofs++] = *t++;
2709 int len = wctomb (str, *t++);
2710 if (len > 0)
2711 str += len;
2712 }
2713
2714 if (screen.tlen[row] != -1 && row != end_row)
2715 *str++ = '\n';
2716 }
2717
2718#ifndef NO_OLD_SELECTION
2719 if (selection_style == OLD_SELECT)
2720 if (end_col == TermWin.ncol)
2721 *str++ = '\n';
2722#endif
2723#ifndef NO_NEW_SELECTION
2724 if (selection_style != OLD_SELECT)
2725 if (end_col != selection.end.col)
2726 *str++ = '\n';
2727#endif
2728 *str = '\0';
2729
2730 i = str - (char *)new_selection_text;
2731 if (i == 0)
2732 {
2733 free (new_selection_text);
2734 return;
2735 }
2736
2737 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2738 if (str - (char *)new_selection_text > 1024)
2739 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2740
2741 selection.len = i;
2742
2743 if (selection.text)
2744 free (selection.text);
2745
2746 selection.text = new_selection_text;
2747
2748 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2749 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2750 rxvt_print_error("can't get primary selection");
2751
2752
2753 {
2754 XTextProperty ct;
2755 char *cl = (char *)selection.text;
2756
2757 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2758 { 2860 }
2759 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2861
2760 PropModeReplace, ct.value, ct.nitems); 2862#if !ENABLE_MINIMAL
2761 XFree (ct.value); 2863 if (selection.rect)
2864 {
2865 while (ofs
2866 && new_selection_text[ofs - 1] != C0_LF
2867 && unicode::is_space (new_selection_text[ofs - 1]))
2868 --ofs;
2869
2870 new_selection_text[ofs++] = C0_LF;
2762 } 2871 }
2763 else 2872 else
2764 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2873#endif
2765 PropModeReplace, selection.text, (int)selection.len); 2874 if (!ROW(row).is_longer ()
2875 && (row != selection.end.row || end_col != selection.end.col)
2876 && (row != selection.beg.row || selection.beg.col < ncol))
2877 new_selection_text[ofs++] = C0_LF;
2878 }
2879
2880 new_selection_text[ofs] = 0;
2881
2882 if (ofs == 0)
2766 } 2883 {
2884 free (new_selection_text);
2885 return;
2886 }
2767 2887
2888 free (selection.text);
2889
2890 // we usually allocate much more than necessary, so realloc it smaller again
2891 selection.len = ofs;
2892 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2893
2894 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2895 return;
2896
2897 selection_grab (tm);
2898}
2899
2900bool
2901rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2902{
2903 Atom sel;
2904
2905 if (!clipboard)
2906 {
2768 selection_time = tm; 2907 selection_time = tm;
2769 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2908 sel = XA_PRIMARY;
2909 }
2910 else
2911 {
2912 clipboard_time = tm;
2913 sel = xa[XA_CLIPBOARD];
2914 }
2915
2916 XSetSelectionOwner (dpy, sel, vt, tm);
2917 if (XGetSelectionOwner (dpy, sel) == vt)
2918 {
2919 display->set_selection_owner (this, clipboard);
2920 return true;
2921 }
2922 else
2923 {
2924 selection_clear (clipboard);
2925 return false;
2926 }
2927
2928#if 0
2929 XTextProperty ct;
2930
2931 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2932 {
2933 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2934 XFree (ct.value);
2935 }
2936#endif
2770} 2937}
2771 2938
2772/* ------------------------------------------------------------------------- */ 2939/* ------------------------------------------------------------------------- */
2773/* 2940/*
2774 * Mark or select text based upon number of clicks: 1, 2, or 3 2941 * Mark or select text based upon number of clicks: 1, 2, or 3
2775 * EXT: button 1 press 2942 * EXT: button 1 press
2776 */ 2943 */
2777void 2944void
2778rxvt_term::selection_click (int clicks, int x, int y) 2945rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2779{ 2946{
2780 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2781
2782 clicks = ((clicks - 1) % 3) + 1; 2947 clicks = ((clicks - 1) % 3) + 1;
2783 selection.clicks = clicks; /* save clicks so extend will work */ 2948 selection.clicks = clicks; /* save clicks so extend will work */
2784 2949
2950 if (clicks == 2 && !selection.rect
2951 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2952 {
2953 MEvent.clicks = 1; // what a mess
2954 selection.screen = current_screen;
2955 selection.op = SELECTION_CONT;
2956 return;
2957 }
2958
2785 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2959 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2786 2960
2787 if (clicks == 2 || clicks == 3) 2961 if (clicks == 2 || clicks == 3)
2788 selection_extend_colrow (selection.mark.col, 2962 selection_extend_colrow (selection.mark.col,
2789 selection.mark.row + TermWin.view_start, 2963 selection.mark.row - view_start,
2790 0, /* button 3 */ 2964 0, /* button 3 */
2791 1, /* button press */ 2965 1, /* button press */
2792 0); /* click change */ 2966 0); /* click change */
2793} 2967}
2794 2968
2795/* ------------------------------------------------------------------------- */ 2969/* ------------------------------------------------------------------------- */
2796/* 2970/*
2797 * Mark a selection at the specified col/row 2971 * Mark a selection at the specified col/row
2798 */ 2972 */
2799void 2973void
2800rxvt_term::selection_start_colrow (int col, int row) 2974rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2801{ 2975{
2802 want_refresh = 1; 2976 want_refresh = 1;
2977
2978 selection.mark.row = row + view_start;
2803 selection.mark.col = col; 2979 selection.mark.col = col;
2804 selection.mark.row = row - TermWin.view_start; 2980
2805 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2981 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2806 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2982 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2983
2984 while (selection.mark.col > 0
2985 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2807 MAX_IT(selection.mark.col, 0); 2986 --selection.mark.col;
2808 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2809 2987
2810 if (selection.op) { /* clear the old selection */ 2988 if (selection.op)
2989 {
2990 /* clear the old selection */
2811 selection.beg.row = selection.end.row = selection.mark.row; 2991 selection.beg.row = selection.end.row = selection.mark.row;
2812 selection.beg.col = selection.end.col = selection.mark.col; 2992 selection.beg.col = selection.end.col = selection.mark.col;
2813 } 2993 }
2994
2814 selection.op = SELECTION_INIT; 2995 selection.op = SELECTION_INIT;
2815 selection.screen = current_screen; 2996 selection.screen = current_screen;
2816} 2997}
2817 2998
2818/* ------------------------------------------------------------------------- */ 2999/* ------------------------------------------------------------------------- */
2819/* 3000/*
2820 * Word select: select text for 2 clicks 3001 * Word select: select text for 2 clicks
2821 * We now only find out the boundary in one direction 3002 * We now only find out the boundary in one direction
2822 */ 3003 */
2823 3004
2824/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3005/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2825#define DELIMIT_TEXT(x) \ 3006#define DELIMIT_TEXT(x) \
2826 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3007 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2827#define DELIMIT_REND(x) 1 3008#define DELIMIT_REND(x) 1
2828 3009
2829void 3010void
2830rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3011rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2831{ 3012{
2832 int col, row, dirnadd, tcol, trow, w1, w2; 3013 int col, row, dirnadd, tcol, trow, w1, w2;
2833 row_col_t bound; 3014 row_col_t bound;
2834 text_t *stp; 3015 text_t *stp;
2835 rend_t *srp; 3016 rend_t *srp;
2836 3017
2837 if (dirn == UP) { 3018 if (dirn == UP)
2838 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3019 {
3020 bound.row = top_row - 1;
2839 bound.col = 0; 3021 bound.col = 0;
2840 dirnadd = -1; 3022 dirnadd = -1;
2841 } else { 3023 }
2842 bound.row = TermWin.saveLines + TermWin.nrow; 3024 else
3025 {
3026 bound.row = nrow;
2843 bound.col = TermWin.ncol - 1; 3027 bound.col = ncol - 1;
2844 dirnadd = 1; 3028 dirnadd = 1;
2845 } 3029 }
2846 row = mark->row + TermWin.saveLines; 3030
3031 row = mark->row;
2847 col = mark->col; 3032 col = max (mark->col, 0);
2848 MAX_IT(col, 0); 3033
2849/* find the edge of a word */ 3034 /* find the edge of a word */
2850 stp = &(screen.text[row][col]); 3035 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2851 w1 = DELIMIT_TEXT(*stp); 3036 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2852 3037
2853 if (selection_style != NEW_SELECT) { 3038 for (;;)
2854 if (w1 == 1) { 3039 {
3040 for (; col != bound.col; col += dirnadd)
3041 {
2855 stp += dirnadd; 3042 stp += dirnadd;
2856 if (DELIMIT_TEXT(*stp) == 1)
2857 goto Old_Word_Selection_You_Die;
2858 col += dirnadd;
2859 }
2860 w1 = 0;
2861 }
2862 srp = (&screen.rend[row][col]);
2863 w2 = DELIMIT_REND(*srp);
2864
2865 for (;;) {
2866 for (; col != bound.col; col += dirnadd) {
2867 stp += dirnadd; 3043 srp += dirnadd;
3044
3045 if (*stp == NOCHAR)
3046 continue;
3047
2868 if (DELIMIT_TEXT(*stp) != w1) 3048 if (DELIMIT_TEXT (*stp) != w1)
3049 break;
3050 if (DELIMIT_REND (*srp) != w2)
3051 break;
3052 }
3053
3054 if ((col == bound.col) && (row != bound.row))
3055 {
3056 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3057 {
3058 trow = row + dirnadd;
3059 tcol = dirn == UP ? ncol - 1 : 0;
3060
3061 if (!ROW(trow).t)
2869 break; 3062 break;
2870 srp += dirnadd; 3063
2871 if (DELIMIT_REND(*srp) != w2) 3064 stp = ROW(trow).t + tcol;
3065 srp = ROW(trow).r + tcol;
3066
3067 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2872 break; 3068 break;
2873 } 3069
2874 if ((col == bound.col) && (row != bound.row)) {
2875 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2876 trow = row + dirnadd;
2877 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2878 if (screen.text[trow] == NULL)
2879 break;
2880 stp = &(screen.text[trow][tcol]);
2881 srp = &(screen.rend[trow][tcol]);
2882 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2883 break;
2884 row = trow; 3070 row = trow;
2885 col = tcol; 3071 col = tcol;
2886 continue; 3072 continue;
2887 } 3073 }
2888 } 3074 }
2889 break; 3075 break;
2890 } 3076 }
2891 Old_Word_Selection_You_Die:
2892 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));
2893 3077
2894 if (dirn == DN) 3078 if (dirn == DN)
2895 col++; /* put us on one past the end */ 3079 col++; /* put us on one past the end */
2896 3080
2897/* Poke the values back in */ 3081 /* Poke the values back in */
2898 ret->row = row - TermWin.saveLines; 3082 ret->row = row;
2899 ret->col = col; 3083 ret->col = col;
2900} 3084}
2901 3085
2902/* ------------------------------------------------------------------------- */ 3086/* ------------------------------------------------------------------------- */
2903/* 3087/*
2904 * Extend the selection to the specified x/y pixel location 3088 * Extend the selection to the specified x/y pixel location
… …
2906 * flag == 0 ==> button 1 3090 * flag == 0 ==> button 1
2907 * flag == 1 ==> button 3 press 3091 * flag == 1 ==> button 3 press
2908 * flag == 2 ==> button 3 motion 3092 * flag == 2 ==> button 3 motion
2909 */ 3093 */
2910void 3094void
2911rxvt_term::selection_extend (int x, int y, int flag) 3095rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2912{ 3096{
2913 int col, row; 3097 int col = clamp (Pixel2Col (x), 0, ncol);
3098 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2914 3099
2915 col = Pixel2Col(x);
2916 row = Pixel2Row(y);
2917 MAX_IT(row, 0);
2918 MIN_IT(row, (int)TermWin.nrow - 1);
2919 MAX_IT(col, 0);
2920 MIN_IT(col, (int)TermWin.ncol);
2921
2922#ifndef NO_NEW_SELECTION
2923 /* 3100 /*
2924 * If we're selecting characters (single click) then we must check first 3101 * If we're selecting characters (single click) then we must check first
2925 * if we are at the same place as the original mark. If we are then 3102 * if we are at the same place as the original mark. If we are then
2926 * select nothing. Otherwise, if we're to the right of the mark, you have to 3103 * select nothing. Otherwise, if we're to the right of the mark, you have to
2927 * be _past_ a character for it to be selected. 3104 * be _past_ a character for it to be selected.
2928 */ 3105 */
2929 if (selection_style != OLD_SELECT)
2930 {
2931 if (((selection.clicks % 3) == 1) && !flag 3106 if (((selection.clicks % 3) == 1) && !flag
2932 && (col == selection.mark.col 3107 && (col == selection.mark.col
2933 && (row == selection.mark.row + TermWin.view_start))) 3108 && (row == selection.mark.row - view_start)))
2934 { 3109 {
2935 /* select nothing */ 3110 /* select nothing */
2936 selection.beg.row = selection.end.row = 0; 3111 selection.beg.row = selection.end.row = 0;
2937 selection.beg.col = selection.end.col = 0; 3112 selection.beg.col = selection.end.col = 0;
2938 selection.clicks = 4; 3113 selection.clicks = 4;
2939 want_refresh = 1; 3114 want_refresh = 1;
2940 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2941 return; 3115 return;
2942 }
2943 } 3116 }
2944#endif 3117
2945 if (selection.clicks == 4) 3118 if (selection.clicks == 4)
2946 selection.clicks = 1; 3119 selection.clicks = 1;
2947 3120
2948 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3121 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2949 flag == 1 ? 1 : 0, /* ? button press */ 3122 flag == 1 ? 1 : 0, /* ? button press */
2950 0); /* no click change */ 3123 0); /* no click change */
2951} 3124}
2952 3125
2953/* ------------------------------------------------------------------------- */ 3126/* ------------------------------------------------------------------------- */
2954/* 3127/*
2955 * Extend the selection to the specified col/row 3128 * Extend the selection to the specified col/row
2956 */ 3129 */
2957void 3130void
2958rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3131rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2959{ 3132{
2960 int16_t ncol = TermWin.ncol;
2961 int end_col;
2962 row_col_t pos; 3133 row_col_t pos;
2963 enum { 3134 enum {
2964 LEFT, RIGHT 3135 LEFT, RIGHT
2965 } closeto = RIGHT; 3136 } closeto = RIGHT;
2966 3137
2967 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));
2968 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));
2969
2970 want_refresh = 1; 3138 want_refresh = 1;
3139
2971 switch (selection.op) { 3140 switch (selection.op)
3141 {
2972 case SELECTION_INIT: 3142 case SELECTION_INIT:
2973 CLEAR_SELECTION(); 3143 CLEAR_SELECTION ();
2974 selection.op = SELECTION_BEGIN; 3144 selection.op = SELECTION_BEGIN;
2975 /* FALLTHROUGH */ 3145 /* FALLTHROUGH */
2976 case SELECTION_BEGIN: 3146 case SELECTION_BEGIN:
2977 if (row != selection.mark.row || col != selection.mark.col 3147 if (row != selection.mark.row || col != selection.mark.col
2978 || (!button3 && buttonpress)) 3148 || (!button3 && buttonpress))
2979 selection.op = SELECTION_CONT; 3149 selection.op = SELECTION_CONT;
2980 break; 3150 break;
2981 case SELECTION_DONE: 3151 case SELECTION_DONE:
2982 selection.op = SELECTION_CONT; 3152 selection.op = SELECTION_CONT;
2983 /* FALLTHROUGH */ 3153 /* FALLTHROUGH */
2984 case SELECTION_CONT: 3154 case SELECTION_CONT:
2985 break; 3155 break;
2986 case SELECTION_CLEAR: 3156 case SELECTION_CLEAR:
2987 selection_start_colrow (col, row); 3157 selection_start_colrow (col, row);
2988 /* FALLTHROUGH */ 3158 /* FALLTHROUGH */
2989 default: 3159 default:
2990 return; 3160 return;
2991 } 3161 }
3162
2992 if (selection.beg.col == selection.end.col 3163 if (selection.beg.col == selection.end.col
2993 && selection.beg.col != selection.mark.col 3164 && selection.beg.col != selection.mark.col
2994 && selection.beg.row == selection.end.row 3165 && selection.beg.row == selection.end.row
2995 && selection.beg.row != selection.mark.row) { 3166 && selection.beg.row != selection.mark.row)
3167 {
2996 selection.beg.col = selection.end.col = selection.mark.col; 3168 selection.beg.col = selection.end.col = selection.mark.col;
2997 selection.beg.row = selection.end.row = selection.mark.row; 3169 selection.beg.row = selection.end.row = selection.mark.row;
2998 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));
2999 } 3170 }
3000 3171
3001 pos.col = col; 3172 pos.col = col;
3002 pos.row = row; 3173 pos.row = view_start + row;
3003 3174
3004 pos.row -= TermWin.view_start; /* adjust for scroll */ 3175 /*
3005 3176 * This is mainly xterm style selection with a couple of differences, mainly
3006#ifndef NO_OLD_SELECTION 3177 * in the way button3 drag extension works.
3007/* 3178 * We're either doing: button1 drag; button3 press; or button3 drag
3008 * This mimics some of the selection behaviour of version 2.20 and before. 3179 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3009 * There are no ``selection modes'', button3 is always character extension. 3180 * is always at the left/right edge of the selection.
3010 * Note: button3 drag is always available, c.f. v2.20 3181 * b) button3 press: extend/contract character/word/line at whichever edge of
3011 * Selection always terminates (left or right as appropriate) at the mark. 3182 * the selection we are closest to.
3183 * c) button3 drag : extend/contract character/word/line - we select around
3184 * a point/word/line which is either the start or end of the selection
3185 * and it was decided by whichever point/word/line was `fixed' at the
3186 * time of the most recent button3 press
3012 */ 3187 */
3013 if (selection_style == OLD_SELECT) { 3188 if (button3 && buttonpress)
3014 if (selection.clicks == 1 || button3) { 3189 {
3015 if (hate_those_clicks) { 3190 /* button3 press */
3016 hate_those_clicks = 0; 3191 /*
3017 if (selection.clicks == 1) { 3192 * first determine which edge of the selection we are closest to
3018 selection.beg.row = selection.mark.row; 3193 */
3019 selection.beg.col = selection.mark.col; 3194 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3020 } else { 3195 || (!ROWCOL_IS_AFTER (pos, selection.end)
3196 && (((pos.col - selection.beg.col)
3197 + ((pos.row - selection.beg.row) * ncol))
3198 < ((selection.end.col - pos.col)
3199 + ((selection.end.row - pos.row) * ncol)))))
3200 closeto = LEFT;
3201
3202 if (closeto == LEFT)
3203 {
3204 selection.beg.row = pos.row;
3205 selection.beg.col = pos.col;
3206 selection.mark.row = selection.end.row;
3207 selection.mark.col = selection.end.col - (selection.clicks == 2);
3208 }
3209 else
3210 {
3211 selection.end.row = pos.row;
3212 selection.end.col = pos.col;
3021 selection.mark.row = selection.beg.row; 3213 selection.mark.row = selection.beg.row;
3022 selection.mark.col = selection.beg.col; 3214 selection.mark.col = selection.beg.col;
3215 }
3216 }
3217 else
3218 {
3219 /* button1 drag or button3 drag */
3220 if (ROWCOL_IS_AFTER (selection.mark, pos))
3221 {
3222 if (selection.mark.row == selection.end.row
3223 && selection.mark.col == selection.end.col
3224 && clickchange
3225 && selection.clicks == 2)
3226 selection.mark.col--;
3227
3228 selection.beg.row = pos.row;
3229 selection.beg.col = pos.col;
3230 selection.end.row = selection.mark.row;
3231 selection.end.col = selection.mark.col + (selection.clicks == 2);
3232 }
3233 else
3234 {
3235 selection.beg.row = selection.mark.row;
3236 selection.beg.col = selection.mark.col;
3237 selection.end.row = pos.row;
3238 selection.end.col = pos.col;
3239 }
3240 }
3241
3242 if (selection.clicks == 1)
3243 {
3244 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3245 && !ROW(selection.beg.row).is_longer ()
3246#if !ENABLE_MINIMAL
3247 && !selection.rect
3248#endif
3249 )
3250 selection.beg.col = ncol;
3251
3252 if (
3253 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3254 && !ROW(selection.end.row).is_longer ()
3255#if !ENABLE_MINIMAL
3256 && !selection.rect
3257#endif
3258 )
3259 selection.end.col = ncol;
3260 }
3261 else if (selection.clicks == 2)
3262 {
3263 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3264 selection.end.col--;
3265
3266 selection_delimit_word (UP, &selection.beg, &selection.beg);
3267 selection_delimit_word (DN, &selection.end, &selection.end);
3268 }
3269 else if (selection.clicks == 3)
3270 {
3271#if ENABLE_FRILLS
3272 if (option (Opt_tripleclickwords))
3273 {
3274 selection_delimit_word (UP, &selection.beg, &selection.beg);
3275
3276 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3277 {
3278 if (!ROW(end_row).is_longer ())
3279 {
3280 selection.end.row = end_row;
3281 selection.end.col = ROW(end_row).l;
3282# if !ENABLE_MINIMAL
3283 selection_remove_trailing_spaces ();
3284# endif
3285 break;
3023 } 3286 }
3024 } 3287 }
3025 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3026 selection.end.row = selection.mark.row;
3027 selection.end.col = selection.mark.col + 1;
3028 selection.beg.row = pos.row;
3029 selection.beg.col = pos.col;
3030 } else {
3031 selection.beg.row = selection.mark.row;
3032 selection.beg.col = selection.mark.col;
3033 selection.end.row = pos.row;
3034 selection.end.col = pos.col + 1;
3035 } 3288 }
3036 } else if (selection.clicks == 2) { 3289 else
3037 selection_delimit_word (UP, &(selection.mark), 3290#endif
3038 &(selection.beg)); 3291 {
3039 selection_delimit_word (DN, &(selection.mark), 3292 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3040 &(selection.end)); 3293 selection.mark.col++;
3041 hate_those_clicks = 1; 3294
3042 } else if (selection.clicks == 3) {
3043 selection.beg.row = selection.end.row = selection.mark.row;
3044 selection.beg.col = 0; 3295 selection.beg.col = 0;
3045 selection.end.col = ncol; 3296 selection.end.col = ncol;
3046 hate_those_clicks = 1; 3297
3047 } 3298 // select a complete logical line
3048 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)); 3299 while (selection.beg.row > -saveLines
3049 return; 3300 && ROW(selection.beg.row - 1).is_longer ())
3050 } 3301 selection.beg.row--;
3051#endif /* ! NO_OLD_SELECTION */ 3302
3052#ifndef NO_NEW_SELECTION 3303 while (selection.end.row < nrow
3053/* selection_style must not be OLD_SELECT to get here */ 3304 && ROW(selection.end.row).is_longer ())
3054/* 3305 selection.end.row++;
3055 * This is mainly xterm style selection with a couple of differences, mainly
3056 * in the way button3 drag extension works.
3057 * We're either doing: button1 drag; button3 press; or button3 drag
3058 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3059 * is always at the left/right edge of the selection.
3060 * b) button3 press: extend/contract character/word/line at whichever edge of
3061 * the selection we are closest to.
3062 * c) button3 drag : extend/contract character/word/line - we select around
3063 * a point/word/line which is either the start or end of the selection
3064 * and it was decided by whichever point/word/line was `fixed' at the
3065 * time of the most recent button3 press
3066 */
3067 if (button3 && buttonpress) { /* button3 press */
3068 /* 3306 }
3069 * first determine which edge of the selection we are closest to 3307 }
3070 */ 3308
3071 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3309 if (button3 && buttonpress)
3072 || (!ROWCOL_IS_AFTER(pos, selection.end) 3310 {
3073 && (((pos.col - selection.beg.col) 3311 /* mark may need to be changed */
3074 + ((pos.row - selection.beg.row) * ncol))
3075 < ((selection.end.col - pos.col)
3076 + ((selection.end.row - pos.row) * ncol)))))
3077 closeto = LEFT;
3078 if (closeto == LEFT) { 3312 if (closeto == LEFT)
3079 selection.beg.row = pos.row; 3313 {
3080 selection.beg.col = pos.col;
3081 selection.mark.row = selection.end.row; 3314 selection.mark.row = selection.end.row;
3082 selection.mark.col = selection.end.col 3315 selection.mark.col = selection.end.col - (selection.clicks == 2);
3083 - (selection.clicks == 2); 3316 }
3084 } else { 3317 else
3085 selection.end.row = pos.row; 3318 {
3086 selection.end.col = pos.col;
3087 selection.mark.row = selection.beg.row; 3319 selection.mark.row = selection.beg.row;
3088 selection.mark.col = selection.beg.col; 3320 selection.mark.col = selection.beg.col;
3089 }
3090 } else { /* button1 drag or button3 drag */
3091 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3092 if ((selection.mark.row == selection.end.row)
3093 && (selection.mark.col == selection.end.col)
3094 && clickchange && selection.clicks == 2)
3095 selection.mark.col--;
3096 selection.beg.row = pos.row;
3097 selection.beg.col = pos.col;
3098 selection.end.row = selection.mark.row;
3099 selection.end.col = selection.mark.col
3100 + (selection.clicks == 2);
3101 } else {
3102 selection.beg.row = selection.mark.row;
3103 selection.beg.col = selection.mark.col;
3104 selection.end.row = pos.row;
3105 selection.end.col = pos.col;
3106 }
3107 }
3108
3109 if (selection.clicks == 1) {
3110 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3111 if (end_col != -1 && selection.beg.col > end_col) {
3112#if 1
3113 selection.beg.col = ncol;
3114#else
3115 if (selection.beg.row != selection.end.row)
3116 selection.beg.col = ncol;
3117 else
3118 selection.beg.col = selection.mark.col;
3119#endif
3120 }
3121 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3122 if (end_col != -1 && selection.end.col > end_col)
3123 selection.end.col = ncol;
3124
3125 } else if (selection.clicks == 2) {
3126 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3127 selection.end.col--;
3128 selection_delimit_word (UP, &(selection.beg),
3129 &(selection.beg));
3130 selection_delimit_word (DN, &(selection.end),
3131 &(selection.end));
3132 } else if (selection.clicks == 3) {
3133#ifndef NO_FRILLS
3134 if ((Options & Opt_tripleclickwords)) {
3135 int end_row;
3136
3137 selection_delimit_word (UP, &(selection.beg),
3138 &(selection.beg));
3139 end_row = screen.tlen[selection.mark.row
3140 + TermWin.saveLines];
3141 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3142 end_row++) {
3143 end_col = screen.tlen[end_row + TermWin.saveLines];
3144 if (end_col != -1) {
3145 selection.end.row = end_row;
3146 selection.end.col = end_col;
3147 selection_remove_trailing_spaces ();
3148 break;
3149 }
3150 }
3151 } else
3152#endif
3153 { 3321 }
3154 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3155 selection.mark.col++;
3156 selection.beg.col = 0;
3157 selection.end.col = ncol;
3158 }
3159 } 3322 }
3160 if (button3 && buttonpress) { /* mark may need to be changed */
3161 if (closeto == LEFT) {
3162 selection.mark.row = selection.end.row;
3163 selection.mark.col = selection.end.col
3164 - (selection.clicks == 2);
3165 } else {
3166 selection.mark.row = selection.beg.row;
3167 selection.mark.col = selection.beg.col;
3168 }
3169 }
3170 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));
3171#endif /* ! NO_NEW_SELECTION */
3172}
3173 3323
3174#ifndef NO_FRILLS 3324#if !ENABLE_MINIMAL
3325 if (selection.rect && selection.beg.col > selection.end.col)
3326 ::swap (selection.beg.col, selection.end.col);
3327#endif
3328}
3329
3330#if !ENABLE_MINIMAL
3175void 3331void
3176rxvt_term::selection_remove_trailing_spaces () 3332rxvt_term::selection_remove_trailing_spaces () NOTHROW
3177{ 3333{
3178 int32_t end_col, end_row; 3334 int32_t end_col, end_row;
3179 text_t *stp; 3335 text_t *stp;
3180 3336
3181 end_col = selection.end.col; 3337 end_col = selection.end.col;
3182 end_row = selection.end.row; 3338 end_row = selection.end.row;
3339
3183 for ( ; end_row >= selection.beg.row; ) { 3340 for (; end_row >= selection.beg.row; )
3184 stp = screen.text[end_row + TermWin.saveLines]; 3341 {
3342 stp = ROW(end_row).t;
3343
3185 while (--end_col >= 0) { 3344 while (--end_col >= 0)
3186 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3187 break;
3188 } 3345 {
3189 if (end_col >= 0 3346 if (stp[end_col] != NOCHAR
3190 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3347 && !unicode::is_space (stp[end_col]))
3191 selection.end.col = end_col + 1;
3192 selection.end.row = end_row;
3193 break; 3348 break;
3194 } 3349 }
3350
3351 if (end_col >= 0
3352 || !ROW(end_row - 1).is_longer ())
3353 {
3354 selection.end.col = end_col + 1;
3355 selection.end.row = end_row;
3356 break;
3357 }
3358
3195 end_row--; 3359 end_row--;
3196 end_col = TermWin.ncol; 3360 end_col = ncol;
3197 } 3361 }
3362
3198 if (selection.mark.row > selection.end.row) { 3363 if (selection.mark.row > selection.end.row)
3364 {
3199 selection.mark.row = selection.end.row; 3365 selection.mark.row = selection.end.row;
3200 selection.mark.col = selection.end.col; 3366 selection.mark.col = selection.end.col;
3367 }
3201 } else if (selection.mark.row == selection.end.row 3368 else if (selection.mark.row == selection.end.row
3202 && selection.mark.col > selection.end.col) 3369 && selection.mark.col > selection.end.col)
3203 selection.mark.col = selection.end.col; 3370 selection.mark.col = selection.end.col;
3204} 3371}
3205#endif 3372#endif
3206 3373
3207/* ------------------------------------------------------------------------- */ 3374/* ------------------------------------------------------------------------- */
3208/* 3375/*
3209 * Double click on button 3 when already selected 3376 * Double click on button 3 when already selected
3210 * EXT: button 3 double click 3377 * EXT: button 3 double click
3211 */ 3378 */
3212void 3379void
3213rxvt_term::selection_rotate (int x, int y) 3380rxvt_term::selection_rotate (int x, int y) NOTHROW
3214{ 3381{
3215 selection.clicks = selection.clicks % 3 + 1; 3382 selection.clicks = selection.clicks % 3 + 1;
3216 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3383 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3217} 3384}
3218
3219/* ------------------------------------------------------------------------- */
3220/*
3221 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3222 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3223 * the X11 protocol.
3224 */
3225typedef CARD32 Atom32;
3226 3385
3227/* ------------------------------------------------------------------------- */ 3386/* ------------------------------------------------------------------------- */
3228/* 3387/*
3229 * Respond to a request for our current selection 3388 * Respond to a request for our current selection
3230 * EXT: SelectionRequest 3389 * EXT: SelectionRequest
3231 */ 3390 */
3232void 3391void
3233rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3392rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3234{ 3393{
3394 Atom property = rq.property == None ? rq.target : rq.property;
3235 XSelectionEvent ev; 3395 XSelectionEvent ev;
3236 XTextProperty ct;
3237 XICCEncodingStyle style;
3238 Atom target;
3239 3396
3240 ev.type = SelectionNotify; 3397 ev.type = SelectionNotify;
3241 ev.property = None; 3398 ev.property = None;
3242 ev.display = rq->display; 3399 ev.display = rq.display;
3243 ev.requestor = rq->requestor; 3400 ev.requestor = rq.requestor;
3244 ev.selection = rq->selection; 3401 ev.selection = rq.selection;
3245 ev.target = rq->target; 3402 ev.target = rq.target;
3246 ev.time = rq->time; 3403 ev.time = rq.time;
3247 3404
3248 if (rq->target == xa[XA_TARGETS]) { 3405 if (rq.target == xa[XA_TARGETS])
3406 {
3249 Atom32 target_list[5]; 3407 Atom target_list[6];
3250 Atom32 *target = target_list; 3408 Atom *target = target_list;
3251 3409
3252 *target++ = (Atom32) xa[XA_TARGETS]; 3410 *target++ = xa[XA_TARGETS];
3411 *target++ = xa[XA_TIMESTAMP];
3253 *target++ = (Atom32) XA_STRING; 3412 *target++ = XA_STRING;
3254 *target++ = (Atom32) xa[XA_TEXT]; 3413 *target++ = xa[XA_TEXT];
3255 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3414 *target++ = xa[XA_COMPOUND_TEXT];
3256#if X_HAVE_UTF8_STRING 3415#if X_HAVE_UTF8_STRING
3257 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3416 *target++ = xa[XA_UTF8_STRING];
3258#endif 3417#endif
3418
3259 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3419 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3260 (8 * sizeof(target_list[0])), PropModeReplace, 3420 32, PropModeReplace,
3261 (unsigned char *)target_list, 3421 (unsigned char *)target_list, target - target_list);
3262 target - target_list);
3263 ev.property = rq->property; 3422 ev.property = property;
3423 }
3424#if TODO // TODO
3264 } else if (rq->target == xa[XA_MULTIPLE]) { 3425 else if (rq.target == xa[XA_MULTIPLE])
3426 {
3265 /* TODO: Handle MULTIPLE */ 3427 /* TODO: Handle MULTIPLE */
3266 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3428 }
3429#endif
3430 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3431 {
3267 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3432 XChangeProperty (dpy, rq.requestor, property, rq.target,
3268 (8 * sizeof(Time)), PropModeReplace,
3269 (unsigned char *)&selection_time, 1); 3433 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3270 ev.property = rq->property; 3434 ev.property = property;
3435 }
3436 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3437 {
3438 XChangeProperty (dpy, rq.requestor, property, rq.target,
3439 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3440 ev.property = property;
3441 }
3271 } else if (rq->target == XA_STRING 3442 else if (rq.target == XA_STRING
3272 || rq->target == xa[XA_TEXT] 3443 || rq.target == xa[XA_TEXT]
3273 || rq->target == xa[XA_COMPOUND_TEXT] 3444 || rq.target == xa[XA_COMPOUND_TEXT]
3274 || rq->target == xa[XA_UTF8_STRING] 3445 || rq.target == xa[XA_UTF8_STRING]
3275 ) { 3446 )
3447 {
3448 XTextProperty ct;
3449 Atom target = rq.target;
3276 short freect = 0; 3450 short freect = 0;
3277 int selectlen; 3451 int selectlen;
3278 char *cl; 3452 wchar_t *cl;
3453 enum {
3454 enc_string = XStringStyle,
3455 enc_text = XStdICCTextStyle,
3456 enc_compound_text = XCompoundTextStyle,
3457#ifdef X_HAVE_UTF8_STRING
3458 enc_utf8 = XUTF8StringStyle,
3459#else
3460 enc_utf8 = -1,
3461#endif
3462 } style;
3279 3463
3280 target = rq->target;
3281
3282 if (target == XA_STRING) 3464 if (target == XA_STRING)
3283 // we actually don't do XA_STRING, but who cares, as i18n clients 3465 // we actually don't do XA_STRING, but who cares, as i18n clients
3284 // will ask for another format anyways. 3466 // will ask for another format anyways.
3285 style = XStringStyle; 3467 style = enc_string;
3286 else if (target == xa[XA_TEXT]) 3468 else if (target == xa[XA_TEXT])
3287 style = XTextStyle; 3469 style = enc_text;
3288 else if (target == xa[XA_COMPOUND_TEXT]) 3470 else if (target == xa[XA_COMPOUND_TEXT])
3289 style = XCompoundTextStyle; 3471 style = enc_compound_text;
3290#if X_HAVE_UTF8_STRING 3472#if !ENABLE_MINIMAL
3291 else if (target == xa[XA_UTF8_STRING]) 3473 else if (target == xa[XA_UTF8_STRING])
3292 style = XUTF8StringStyle; 3474 style = enc_utf8;
3293#endif 3475#endif
3294 else 3476 else
3295 { 3477 {
3296 target = xa[XA_COMPOUND_TEXT]; 3478 target = xa[XA_COMPOUND_TEXT];
3297 style = XCompoundTextStyle; 3479 style = enc_compound_text;
3298 } 3480 }
3299 3481
3300 if (selection.text) { 3482 if (rq.selection == XA_PRIMARY && selection.text)
3483 {
3301 cl = (char *)selection.text; 3484 cl = selection.text;
3302 selectlen = selection.len; 3485 selectlen = selection.len;
3486 }
3487 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3488 {
3489 cl = selection.clip_text;
3490 selectlen = selection.clip_len;
3491 }
3303 } else { 3492 else
3493 {
3304 cl = ""; 3494 cl = L"";
3305 selectlen = 0; 3495 selectlen = 0;
3496 }
3497
3498#if !ENABLE_MINIMAL
3499 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3500 // so recode it manually
3501 if (style == enc_utf8)
3306 } 3502 {
3307
3308 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3309 freect = 1; 3503 freect = 1;
3504 ct.encoding = target;
3505 ct.format = 8;
3506 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3507 ct.nitems = strlen ((char *)ct.value);
3508 }
3310 else 3509 else
3510#endif
3511 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3512 freect = 1;
3513 else
3311 { 3514 {
3312 /* if we failed to convert then send it raw */ 3515 /* if we failed to convert then send it raw */
3313 ct.value = (unsigned char *)cl; 3516 ct.value = (unsigned char *)cl;
3314 ct.nitems = selectlen; 3517 ct.nitems = selectlen;
3518 ct.encoding = target;
3315 } 3519 }
3316 3520
3317 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3521 XChangeProperty (dpy, rq.requestor, property,
3318 target, 8, PropModeReplace, 3522 ct.encoding, 8, PropModeReplace,
3319 ct.value, (int)ct.nitems); 3523 ct.value, (int)ct.nitems);
3320 ev.property = rq->property; 3524 ev.property = property;
3321 3525
3322 if (freect) 3526 if (freect)
3323 XFree (ct.value); 3527 XFree (ct.value);
3324 } 3528 }
3529
3325 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3530 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3326}
3327
3328/* ------------------------------------------------------------------------- *
3329 * MOUSE ROUTINES *
3330 * ------------------------------------------------------------------------- */
3331
3332/*
3333 * return col/row values corresponding to x/y pixel values
3334 */
3335void
3336rxvt_term::pixel_position (int *x, int *y)
3337{
3338 *x = Pixel2Col(*x);
3339 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3340 *y = Pixel2Row(*y);
3341 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3342} 3531}
3343 3532
3344/* ------------------------------------------------------------------------- */ 3533/* ------------------------------------------------------------------------- */
3345#ifdef USE_XIM 3534#ifdef USE_XIM
3346void 3535void
3347rxvt_term::set_position (XPoint *pos) 3536rxvt_term::im_set_position (XPoint &pos) NOTHROW
3348{ 3537{
3349 XWindowAttributes xwa; 3538 XWindowAttributes xwa;
3350 3539
3351 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3540 XGetWindowAttributes (dpy, vt, &xwa);
3541
3352 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3542 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3353 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3543 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3354} 3544}
3355
3356#endif 3545#endif
3357/* ------------------------------------------------------------------------- */ 3546
3358 3547#if ENABLE_OVERLAY
3548void
3549rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3550{
3551 if (nrow < 1 || ncol < 1)
3552 return;
3553
3554 want_refresh = 1;
3555
3556 scr_overlay_off ();
3557
3558 if (x < 0) x = ncol - w;
3559 if (y < 0) y = nrow - h;
3560
3561 // make space for border
3562 w += 2; min_it (w, ncol);
3563 h += 2; min_it (h, nrow);
3564
3565 x -= 1; clamp_it (x, 0, ncol - w);
3566 y -= 1; clamp_it (y, 0, nrow - h);
3567
3568 ov.x = x; ov.y = y;
3569 ov.w = w; ov.h = h;
3570
3571 ov.text = new text_t *[h];
3572 ov.rend = new rend_t *[h];
3573
3574 for (y = 0; y < h; y++)
3575 {
3576 text_t *tp = ov.text[y] = new text_t[w];
3577 rend_t *rp = ov.rend[y] = new rend_t[w];
3578
3579 text_t t0, t1, t2;
3580 rend_t r = OVERLAY_RSTYLE;
3581
3582 if (y == 0)
3583 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3584 else if (y < h - 1)
3585 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3586 else
3587 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3588
3589 *tp++ = t0;
3590 *rp++ = r;
3591
3592 for (x = w - 2; x > 0; --x)
3593 {
3594 *tp++ = t1;
3595 *rp++ = r;
3596 }
3597
3598 *tp = t2;
3599 *rp = r;
3600 }
3601}
3602
3603void
3604rxvt_term::scr_overlay_off () NOTHROW
3605{
3606 if (!ov.text)
3607 return;
3608
3609 want_refresh = 1;
3610
3611 for (int y = 0; y < ov.h; y++)
3612 {
3613 delete [] ov.text[y];
3614 delete [] ov.rend[y];
3615 }
3616
3617 delete [] ov.text; ov.text = 0;
3618 delete [] ov.rend; ov.rend = 0;
3619}
3620
3621void
3622rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3623{
3624 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3625 return;
3626
3627 x++, y++;
3628
3629 ov.text[y][x] = text;
3630 ov.rend[y][x] = rend;
3631}
3632
3633void
3634rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3635{
3636 while (*s)
3637 scr_overlay_set (x++, y, *s++);
3638}
3639
3640void
3641rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3642{
3643 while (*s)
3644 {
3645 text_t t = *s++;
3646 int width = WCWIDTH (t);
3647
3648 while (width--)
3649 {
3650 scr_overlay_set (x++, y, t);
3651 t = NOCHAR;
3652 }
3653 }
3654}
3655
3656void
3657rxvt_term::scr_swap_overlay () NOTHROW
3658{
3659 if (!ov.text)
3660 return;
3661
3662 // hide cursor if it is within the overlay area
3663 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3664 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3665 screen.flags &= ~Screen_VisibleCursor;
3666
3667 // swap screen mem with overlay
3668 for (int y = ov.h; y--; )
3669 {
3670 text_t *t1 = ov.text[y];
3671 rend_t *r1 = ov.rend[y];
3672
3673 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3674 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3675
3676 for (int x = ov.w; x--; )
3677 {
3678 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3679 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3680 }
3681 }
3682}
3683
3684#endif
3359/* ------------------------------------------------------------------------- * 3685/* ------------------------------------------------------------------------- */
3360 * DEBUG ROUTINES *
3361 * ------------------------------------------------------------------------- */
3362#if 0
3363void
3364rxvt_debug_colors(void)
3365{
3366 int color;
3367 const char *name[] = {
3368 "fg", "bg",
3369 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3370 };
3371 3686
3372 fprintf(stderr, "Color ( ");
3373 if (rstyle & RS_RVid)
3374 fprintf(stderr, "rvid ");
3375 if (rstyle & RS_Bold)
3376 fprintf(stderr, "bold ");
3377 if (rstyle & RS_Blink)
3378 fprintf(stderr, "blink ");
3379 if (rstyle & RS_Uline)
3380 fprintf(stderr, "uline ");
3381 fprintf(stderr, "): ");
3382
3383 color = GET_FGCOLOR(rstyle);
3384#ifndef NO_BRIGHTCOLOR
3385 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3386 color -= (minBrightCOLOR - minCOLOR);
3387 fprintf(stderr, "bright ");
3388 }
3389#endif
3390 fprintf(stderr, "%s on ", name[color]);
3391
3392 color = GET_BGCOLOR(rstyle);
3393#ifndef NO_BRIGHTCOLOR
3394 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3395 color -= (minBrightCOLOR - minCOLOR);
3396 fprintf(stderr, "bright ");
3397 }
3398#endif
3399 fprintf(stderr, "%s\n", name[color]);
3400}
3401#endif

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