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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.21 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.398 by sf-exg, Wed Nov 2 15:11:51 2011 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
6 * 7 *
7 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version. 11 * (at your option) any later version.
16 * 17 *
17 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 21 *--------------------------------------------------------------------------*/
22
21/* 23/*
22 * We handle _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
23 */ 25 */
24 26
25#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 31#include <inttypes.h>
33#include <wchar.h>
34 32
35#include "salloc.C" // HACK!! 33#include "salloc.C" // HACK, should be a separate compile!
36 34
35static inline void
37inline void fill_text (text_t *start, text_t value, int len) 36fill_text (text_t *start, text_t value, int len)
38{ 37{
39 while (len--) 38 while (len--)
40 *start++ = value; 39 *start++ = value;
41} 40}
42 41
43/* ------------------------------------------------------------------------- */ 42/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 43#define TABSIZE 8 /* default tab size */
46 44
47/* ------------------------------------------------------------------------- * 45/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 46 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 47 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 48#define ZERO_SCROLLBACK() \
51 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 49 if (option (Opt_scrollTtyOutput)) \
52 TermWin.view_start = 0 50 view_start = 0
53#define CLEAR_SELECTION() \ 51#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 52 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 53 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 54#define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \ 55 selection.beg.row = selection.beg.col \
58 = selection.mark.row = selection.mark.col \ 56 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0 57 = selection.end.row = selection.end.col = 0
60 58
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 59#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 60 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 61#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 62 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 64 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 65#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 66 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 68 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 69#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 70 (((A) == (C)) && ((B) <= (D)))
73 71
74/* these must be row_col_t */ 72/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 73#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 74 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 75#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 76 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 77#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 78 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 79#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 80 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 81#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
84 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 82 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
85#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 83#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
86 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 84 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 85
88/* 86/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 87 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
91 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
92 */ 88 */
93#define drawBuffer TermWin.vt
94
95#define CLEAR_ROWS(row, num) \
96 if (TermWin.mapped) \
97 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
98 Row2Pixel(row), (unsigned int)TermWin.width, \
99 (unsigned int)Height2Pixel(num), False)
100
101#define CLEAR_CHARS(x, y, num) \ 89#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 90 if (mapped) \
103 XClearArea (Xdisplay, drawBuffer, x, y, \ 91 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 92 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 93 (unsigned int)Height2Pixel (1), False)
106
107#define ERASE_ROWS(row, num) \
108 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
109 TermWin.int_bwidth, Row2Pixel(row), \
110 (unsigned int)TermWin.width, \
111 (unsigned int)Height2Pixel(num))
112 94
113/* ------------------------------------------------------------------------- * 95/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 96 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 97 * ------------------------------------------------------------------------- */
98
116/* Fill part/all of a line with blanks. */ 99/* Fill part/all of a line with blanks. */
117void 100void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
119{ 102{
120 efs &= ~RS_baseattrMask; 103 if (!l.t)
104 {
105 lalloc (l);
106 col = 0;
107 width = ncol;
108 }
109
110 l.touch ();
111
112 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 113 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
114
115 text_t *et = l.t + col;
116 rend_t *er = l.r + col;
122 117
123 while (width--) 118 while (width--)
124 { 119 {
125 *et++ = ' '; 120 *et++ = ' ';
126 *er++ = efs; 121 *er++ = efs;
128} 123}
129 124
130/* ------------------------------------------------------------------------- */ 125/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 126/* Fill a full line with blanks - make sure it is allocated first */
132void 127void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 128rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
134{ 129{
135#ifdef DEBUG_STRICT 130 scr_blank_line (l, 0, ncol, efs);
136 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
137#endif
138 if (tp[row] == NULL)
139 {
140 tp[row] = (text_t *)talloc->alloc ();
141 rp[row] = (rend_t *)ralloc->alloc ();
142 }
143 131
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 132 l.l = 0;
133 l.f = 0;
134}
135
136// nuke a single wide character at the given column
137void
138rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
139{
140 // find begin
141 while (col > 0 && l.t[col] == NOCHAR)
142 col--;
143
144 rend_t rend = l.r[col] & ~RS_baseattrMask;
145 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
146
147 l.touch ();
148
149 // found start, nuke
150 do {
151 l.t[col] = ' ';
152 l.r[col] = rend;
153 col++;
154 } while (col < ncol && l.t[col] == NOCHAR);
145} 155}
146 156
147/* ------------------------------------------------------------------------- * 157/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 158 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
160
150void 161void
151rxvt_term::scr_reset () 162rxvt_term::scr_reset ()
152{ 163{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 164#if ENABLE_OVERLAY
154 unsigned int p, q; 165 scr_overlay_off ();
155 int k; 166#endif
156 rend_t setrstyle;
157 167
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 168 view_start = 0;
161 num_scr = 0; 169 num_scr = 0;
162 170
163 if (TermWin.ncol == 0) 171 if (ncol == 0)
164 TermWin.ncol = 80; 172 ncol = 80;
165 173
166 if (TermWin.nrow == 0) 174 if (nrow == 0)
167 TermWin.nrow = 24; 175 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 176
172 if (ncol == prev_ncol && nrow == prev_nrow) 177 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 178 return;
174 179
180 // we need at least two lines for wrapping to work correctly
181 while (nrow + saveLines < 2)
182 {
183 //TODO//FIXME
184 saveLines++;
185 prev_nrow--;
186 top_row--;
187 }
188
175 want_refresh = 1; 189 want_refresh = 1;
176 190
191 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 192 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 193
180 screen.tscroll = 0; 194 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 195 screen.bscroll = nrow - 1;
182 196
183 if (!talloc) 197 if (!row_buf)
184 { 198 {
199 /*
200 * first time called so just malloc everything: don't rely on realloc
201 */
202 top_row = 0;
203 term_start = 0;
204
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
187 }
188
189 if (prev_nrow == 0)
190 {
191 /*
192 * first time called so just malloc everything : don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 207
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t)); 209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
202 211
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 212 for (int row = nrow; row--; )
204 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
206 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207
208 for (p = 0; p < nrow; p++)
209 {
210 q = p + TermWin.saveLines;
211 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
212 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
213 screen.tlen[q] = swap.tlen[p] = 0;
214 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
215 } 213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
216 218
217 MEMSET(charsets, 'B', sizeof(charsets)); 219 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 220 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 221 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 222 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 223 screen.charset = 0;
223 current_screen = PRIMARY; 224 current_screen = PRIMARY;
235 selection.text = NULL; 236 selection.text = NULL;
236 selection.len = 0; 237 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 238 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 239 selection.screen = PRIMARY;
239 selection.clicks = 0; 240 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 241 selection.clip_text = NULL;
241 rvideo = 0; 242 selection.clip_len = 0;
242 } 243 }
243 else 244 else
244 { 245 {
245 /* 246 /*
246 * add or delete rows as appropriate 247 * add or delete rows as appropriate
247 */ 248 */
248 setrstyle = DEFAULT_RSTYLE;
249 249
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
250 if (nrow < prev_nrow) 254 if (nrow < prev_nrow)
251 { 255 {
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255
256 for (p = nrow; p < prev_nrow; p++) 256 for (int row = nrow; row < prev_nrow; row++)
257 { 257 {
258 q = p + TermWin.saveLines; 258 lfree (swap_buf [row]);
259 if (screen.text[q]) 259 lfree (drawn_buf[row]);
260 }
261 }
262#endif
263
264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266
267 for (int row = min (nrow, prev_nrow); row--; )
268 {
269 lresize (drawn_buf[row]);
270 lresize (swap_buf [row]);
271 }
272
273 for (int row = prev_nrow; row < nrow; row++)
274 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
281
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row
285
286 if (top_row)
287 {
288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
289 // to come up with a lean and mean algorithm.
290 // TODO: maybe optimise when width didn't change
291
292 row_col_t ocur = screen.cur;
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294
295 do
296 {
297 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l;
301
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 303 {
261#ifdef DEBUG_STRICT 304 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 305
263#endif 306 plines++;
264 talloc->free (screen.text[q]); 307 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 308 }
267 if (swap.text[p]) 309
310 int qlines = max (0, (llen - 1) / ncol) + 1;
311
312 // drop partial lines completely
313 if (q < qlines)
314 break;
315
316 q -= qlines;
317
318 int lofs = 0;
319 line_t *qline;
320
321 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++)
268 { 323 {
269#ifdef DEBUG_STRICT 324 qline = row_buf + qrow;
270 assert (swap.rend[p]); 325 lalloc (*qline);
271#endif 326 qline->l = ncol;
272 talloc->free (swap.text[p]); 327 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 328
329 int qcol = 0;
330
331 // see below for cursor adjustment rationale
332 if (p == ocur.row)
333 screen.cur.row = q - (total_rows - nrow);
334
335 // fill a single destination line
336 while (lofs < llen && qcol < ncol)
337 {
338 int prow = lofs / prev_ncol;
339 int pcol = lofs % prev_ncol;
340
341 prow = MOD (p + prow, prev_total_rows);
342
343 // we only adjust the cursor _row_ and put it into
344 // the topmost line of "long line" it was in, as
345 // this seems to upset applications/shells/readline
346 // least.
347 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow);
349
350 line_t &pline = old_buf [prow];
351
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
356
357 lofs += len;
358 qcol += len;
359 }
274 } 360 }
275#ifdef DEBUG_STRICT 361
276 assert (drawn_text[p] && drawn_rend[p]); 362 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 363 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 364 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 365 }
366 while (p != pend && q > 0);
281 367
282 /* we have fewer rows so fix up cursor position */ 368 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 369 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 370
286 scr_reset_realloc (); /* realloc _last_ */ 371 // make sure all terminal lines exist
287 } 372 while (top_row > 0)
288 else if (nrow > prev_nrow) 373 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 374 }
290 /* add rows */ 375 else
291 scr_reset_realloc (); /* realloc _first_ */ 376 {
377 // if no scrollback exists (yet), wing, instead of wrap
292 378
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 379 for (int row = min (nrow, prev_nrow); row--; )
294
295 k = min (TermWin.nscrolled, nrow - prev_nrow);
296
297 for (p = prev_total_rows; p < total_rows; p++)
298 { 380 {
299 screen.tlen[p] = 0; 381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
300 screen.text[p] = NULL; 382 line_t &qline = row_buf [row];
301 screen.rend[p] = NULL; 383
384 qline = pline;
385 lresize (qline);
302 } 386 }
303 387
304 for (p = prev_total_rows; p < total_rows - k; p++)
305 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
306
307 for (p = prev_nrow; p < nrow; p++) 388 for (int row = prev_nrow; row < nrow; row++)
308 { 389 {
309 swap.tlen[p] = 0; 390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
310 swap.text[p] = NULL;
311 swap.rend[p] = NULL;
312 drawn_text[p] = NULL;
313 drawn_rend[p] = NULL;
314 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
315 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
316 } 391 }
317 392
318 if (k > 0) 393 term_start = 0;
319 {
320 scr_scroll_text (0, (int)nrow - 1, -k, 1);
321 screen.cur.row += k;
322 screen.s_cur.row += k;
323 TermWin.nscrolled -= k;
324 }
325#ifdef DEBUG_STRICT
326 assert(screen.cur.row < TermWin.nrow);
327 assert(swap.cur.row < TermWin.nrow);
328#else /* drive with your eyes closed */
329
330 MIN_IT(screen.cur.row, nrow - 1);
331 MIN_IT(swap.cur.row, nrow - 1);
332#endif
333 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
334 }
335
336 /* resize columns */
337 if (ncol != prev_ncol)
338 { 394 }
339 int common = min (prev_ncol, ncol); 395
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 396 free (old_buf);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 397 delete old_ta;
398 delete old_ra;
399
400 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1);
342 402 }
343 for (p = 0; p < total_rows; p++)
344 {
345 if (screen.text[p])
346 {
347 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
348 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
349 403
350 MIN_IT(screen.tlen[p], (int16_t)ncol);
351
352 if (ncol > prev_ncol)
353 scr_blank_line (&(screen.text[p][prev_ncol]),
354 &(screen.rend[p][prev_ncol]),
355 ncol - prev_ncol,
356 setrstyle);
357 }
358 }
359
360 for (p = 0; p < nrow; p++)
361 {
362 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
363 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
364
365 if (ncol > prev_ncol)
366 scr_blank_line (&(drawn_text[p][prev_ncol]),
367 &(drawn_rend[p][prev_ncol]),
368 ncol - prev_ncol, setrstyle);
369
370 if (swap.text[p])
371 {
372 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
373 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
374
375 MIN_IT(swap.tlen[p], (int16_t)ncol);
376
377 if (ncol > prev_ncol)
378 scr_blank_line (&(swap.text[p][prev_ncol]),
379 &(swap.rend[p][prev_ncol]),
380 ncol - prev_ncol, setrstyle);
381 }
382
383 }
384
385 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
386 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
387
388 delete talloc; talloc = ta;
389 delete ralloc; ralloc = ra;
390 }
391
392 if (tabs)
393 free(tabs); 404 free (tabs);
394 } 405 tabs = (char *)rxvt_malloc (ncol);
406
407 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0;
409
410 CLEAR_ALL_SELECTION ();
395 411
396 prev_nrow = nrow; 412 prev_nrow = nrow;
397 prev_ncol = ncol; 413 prev_ncol = ncol;
398 414
399 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
400
401 for (p = 0; p < ncol; p++)
402 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
403
404 tt_winch (); 415 tt_winch ();
405}
406 416
407void 417 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
408rxvt_term::scr_reset_realloc()
409{
410 uint16_t total_rows, nrow;
411
412 nrow = TermWin.nrow;
413 total_rows = nrow + TermWin.saveLines;
414 /* *INDENT-OFF* */
415 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
416 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
417 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
418 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
419
420 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
421 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
422
423 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
424 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
425 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
426 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
427 /* *INDENT-ON* */
428} 418}
429 419
430/* ------------------------------------------------------------------------- */ 420/* ------------------------------------------------------------------------- */
431/* 421/*
432 * Free everything. That way malloc debugging can find leakage. 422 * Free everything. That way malloc debugging can find leakage.
433 */ 423 */
434void 424void
435rxvt_term::scr_release() 425rxvt_term::scr_release () NOTHROW
436{ 426{
437 uint16_t total_rows; 427 if (row_buf)
438 int i;
439
440 total_rows = TermWin.nrow + TermWin.saveLines;
441
442#ifdef DEBUG_STRICT
443 for (i = 0; i < total_rows; i++)
444 {
445 if (screen.text[i])
446 /* then so is screen.rend[i] */
447 assert(screen.rend[i]);
448 } 428 {
449#endif
450
451 delete talloc; talloc = 0; 429 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0; 430 delete ralloc; ralloc = 0;
453 431
454 free (screen.text); 432 free (row_buf);
455 free (screen.tlen); 433 free (swap_buf);
456 free (screen.rend); 434 free (drawn_buf);
457 free (drawn_text); 435 row_buf = 0; // signal that we freed all the arrays above
458 free (drawn_rend); 436
459 free (swap.text);
460 free (swap.tlen);
461 free (swap.rend);
462 free (buf_text);
463 free (buf_rend);
464 free (tabs); 437 free (tabs);
465 438 tabs = 0;
466 /* NULL these so if anything tries to use them, we'll know about it */ 439 }
467 screen.text = drawn_text = swap.text = NULL;
468 screen.rend = drawn_rend = swap.rend = NULL;
469 screen.tlen = swap.tlen = NULL;
470 buf_text = NULL;
471 buf_rend = NULL;
472 tabs = NULL;
473} 440}
474 441
475/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
476/* 443/*
477 * Hard reset 444 * Hard/Soft reset
478 */ 445 */
479void 446void
480rxvt_term::scr_poweron () 447rxvt_term::scr_poweron ()
481{ 448{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 449 scr_release ();
485 prev_nrow = prev_ncol = 0; 450 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false;
452 scr_soft_reset ();
486 scr_reset (); 453 scr_reset ();
487 454
488 scr_clear (); 455 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 456 scr_refresh ();
490#ifdef RXVT_GRAPHICS 457}
491 Gr_reset (); 458
459void
460rxvt_term::scr_soft_reset ()
461{
462 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY
464 scr_overlay_off ();
492#endif 465#endif
466
467 if (current_screen != PRIMARY)
468 scr_swap_screen ();
469
470 scr_scroll_region (0, MAX_ROWS - 1);
471 scr_rendition (0, ~RS_None);
472 scr_insert_mode (0);
493} 473}
494 474
495/* ------------------------------------------------------------------------- * 475/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 476 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 477 * ------------------------------------------------------------------------- */
499 * Save and Restore cursor 479 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 480 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 481 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 482 */
503void 483void
504rxvt_term::scr_cursor (int mode) 484rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
505{ 485{
506 screen_t *s; 486 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 487
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 488#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 489 if (current_screen == SECONDARY)
512 s = &(swap); 490 s = &swap;
513 else 491 else
514#endif 492#endif
515 s = &(screen); 493 s = &screen;
494
516 switch (mode) { 495 switch (mode)
496 {
517 case SAVE: 497 case SAVE:
518 s->s_cur.row = s->cur.row; 498 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 499 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 500 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 501 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 502 s->s_charset_char = charsets[screen.charset];
523 break; 503 break;
504
524 case RESTORE: 505 case RESTORE:
525 want_refresh = 1; 506 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 507 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 508 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 509 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 510 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 511 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 512 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 513 set_font_style ();
533 break; 514 break;
534 } 515 }
516
535/* boundary check in case screen size changed between SAVE and RESTORE */ 517 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 518 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 519 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 520 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 521 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 522}
542 MAX_IT(s->cur.row, 0); 523
543 MAX_IT(s->cur.col, 0); 524void
544#endif 525rxvt_term::scr_swap_screen ()
526{
527 if (!option (Opt_secondaryScreen))
528 return;
529
530 for (int i = prev_nrow; i--; )
531 ::swap (ROW(i), swap_buf [i]);
532
533 ::swap (screen.cur, swap.cur);
534
535 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
536 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 537}
546 538
547/* ------------------------------------------------------------------------- */ 539/* ------------------------------------------------------------------------- */
548/* 540/*
549 * Swap between primary and secondary screens 541 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 542 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 543 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 544 */
553int 545void
554rxvt_term::scr_change_screen (int scrn) 546rxvt_term::scr_change_screen (int scrn)
555{ 547{
556 int i; 548 if (scrn == current_screen)
549 return;
550
551 want_refresh = 1;
552 view_start = 0;
553
554 selection_check (2); /* check for boundary cross */
555
556 current_screen = scrn;
557
557#if NSCREENS 558#if NSCREENS
558 int offset; 559 if (option (Opt_secondaryScreen))
559#endif 560 {
560
561 want_refresh = 1;
562
563 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
564
565 TermWin.view_start = 0;
566
567 if (current_screen == scrn)
568 return current_screen;
569
570 selection_check (2); /* check for boundary cross */
571
572 SWAP_IT(current_screen, scrn, int);
573#if NSCREENS
574 num_scr = 0; 561 num_scr = 0;
575 offset = TermWin.saveLines; 562
576 for (i = prev_nrow; i--;) { 563 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 564
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 565 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 566 ::swap (screen.flags, swap.flags);
580 }
581 SWAP_IT(screen.cur.row, swap.cur.row, int16_t);
582 SWAP_IT(screen.cur.col, swap.cur.col, int16_t);
583# ifdef DEBUG_STRICT
584 assert((screen.cur.row >= 0) && (screen.cur.row < prev_nrow));
585 assert((screen.cur.col >= 0) && (screen.cur.col < prev_ncol));
586# else /* drive with your eyes closed */
587 MAX_IT(screen.cur.row, 0);
588 MIN_IT(screen.cur.row, (int32_t)prev_nrow - 1);
589 MAX_IT(screen.cur.col, 0);
590 MIN_IT(screen.cur.col, (int32_t)prev_ncol - 1);
591# endif
592 SWAP_IT(screen.charset, swap.charset, int16_t);
593 SWAP_IT(screen.flags, swap.flags, int);
594 screen.flags |= Screen_VisibleCursor; 567 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 568 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 569 }
570 else
603# endif 571#endif
604#else 572 if (option (Opt_secondaryScroll))
605# ifdef SCROLL_ON_NO_SECONDARY
606# ifdef RXVT_GRAPHICS
607 if (Gr_Displayed ())
608 Gr_ClearScreen ();
609# endif
610 if (current_screen == PRIMARY
611# ifdef RXVT_GRAPHICS
612 && !Gr_Displayed ()
613# endif
614 )
615 scr_scroll_text(0, (prev_nrow - 1), prev_nrow, 0); 573 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 574}
617#endif 575
576// clear WrapNext indicator, solidifying position on next line
577void
578rxvt_term::scr_do_wrap () NOTHROW
579{
580 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 581 return;
582
583 screen.flags &= ~Screen_WrapNext;
584
585 screen.cur.col = 0;
586
587 if (screen.cur.row == screen.bscroll)
588 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
589 else if (screen.cur.row < nrow - 1)
590 screen.cur.row++;
619} 591}
620 592
621/* ------------------------------------------------------------------------- */ 593/* ------------------------------------------------------------------------- */
622/* 594/*
623 * Change the colour for following text 595 * Change the colour for following text
624 */ 596 */
625void 597void
626rxvt_term::scr_color (unsigned int color, int fgbg) 598rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
627{ 599{
600 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
628 color &= RS_fgMask; 601 color = fgbg;
602
629 if (fgbg == Color_fg) 603 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 604 rstyle = SET_FGCOLOR (rstyle, color);
631 else 605 else
632 rstyle = SET_BGCOLOR(rstyle, color); 606 rstyle = SET_BGCOLOR (rstyle, color);
633} 607}
634 608
635/* ------------------------------------------------------------------------- */ 609/* ------------------------------------------------------------------------- */
636/* 610/*
637 * Change the rendition style for following text 611 * Change the rendition style for following text
638 */ 612 */
639void 613void
640rxvt_term::scr_rendition (int set, int style) 614rxvt_term::scr_rendition (int set, int style) NOTHROW
641{ 615{
642 if (set) 616 if (set)
643 rstyle |= style; 617 rstyle |= style;
644 else if (style == ~RS_None) 618 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 619 rstyle = DEFAULT_RSTYLE;
646 else 620 else
647 rstyle &= ~style; 621 rstyle &= ~style;
648} 622}
649 623
650/* ------------------------------------------------------------------------- */ 624/* ------------------------------------------------------------------------- */
651/* 625/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 626 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 627 * count positive ==> scroll up
654 * count negative ==> scroll down 628 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 629 */
657int 630int
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 631rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
659{ 632{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 633 if (count == 0 || (row1 > row2))
664 return 0; 634 return 0;
665 635
666 want_refresh = 1; 636 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 637 num_scr += count;
668 638
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 639 if (count > 0
640 && row1 == 0
641 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
642 {
643 min_it (count, total_rows - (nrow - (row2 + 1)));
644
645 top_row = max (top_row - count, -saveLines);
646
647 // sever bottommost line
670 { 648 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 649 line_t &l = ROW(row2);
650 l.is_longer (0);
651 l.touch ();
652 }
672 653
673 if (nscrolled > (long)TermWin.saveLines) 654 // scroll everything up 'count' lines
674 TermWin.nscrolled = TermWin.saveLines; 655 term_start = (term_start + count) % total_rows;
656
657 // now copy lines below the scroll region bottom to the
658 // bottom of the screen again, so they look as if they
659 // hadn't moved.
660 for (int i = nrow; --i > row2; )
661 {
662 line_t &l1 = ROW(i - count);
663 line_t &l2 = ROW(i);
664
665 ::swap (l1, l2);
666 l2.touch ();
667 }
668
669 // erase newly scrolled-in lines
670 for (int i = count; i--; )
671 {
672 line_t &l = ROW(row2 - i);
673
674 // optimise if already cleared, can be significant on slow machines
675 // could be rolled into scr_blank_screen_mem
676 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
677 {
678 scr_blank_line (l, 0, l.l, rstyle);
679 l.l = 0;
680 l.f = 0;
681 }
675 else 682 else
676 TermWin.nscrolled = (uint16_t)nscrolled; 683 scr_blank_screen_mem (l, rstyle);
684 }
677 685
686 // finally move the view window, if desired
678 if ((Options & Opt_scrollWithBuffer) 687 if (option (Opt_scrollWithBuffer)
679 && TermWin.view_start != 0 688 && view_start != 0
680 && TermWin.view_start != TermWin.saveLines) 689 && view_start != -saveLines)
681 scr_page (UP, count); 690 scr_page (UP, count);
691
692 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
693 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
694 }
695 else
696 {
697 // use a simple and robust scrolling algorithm, this
698 // part of scr_scroll_text is not time-critical.
699
700 // sever line above scroll region
701 if (row1)
702 {
703 line_t &l = ROW(row1 - 1);
704 l.is_longer (0);
705 l.touch ();
706 }
707
708 int rows = row2 - row1 + 1;
709
710 min_it (count, rows);
711
712 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
713
714 for (int row = 0; row < rows; row++)
715 {
716 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
717
718 if (!IN_RANGE_EXC (row + count, 0, rows))
719 scr_blank_screen_mem (temp_buf [row], rstyle);
720 }
721
722 for (int row = 0; row < rows; row++)
723 ROW(row1 + row) = temp_buf [row];
724
725 // sever bottommost line
726 {
727 line_t &l = ROW(row2);
728 l.is_longer (0);
729 l.touch ();
682 } 730 }
683 else if (!spec) 731 }
684 row1 += TermWin.saveLines;
685 732
686 row2 += TermWin.saveLines; 733 // move and/or clear selection, if any
687
688 if (selection.op && current_screen == selection.screen) 734 if (selection.op && current_screen == selection.screen)
689 { 735 {
690 i = selection.beg.row + TermWin.saveLines; 736 if ((selection.beg.row < row1 && selection.end.row > row1)
691 j = selection.end.row + TermWin.saveLines; 737 || (selection.beg.row < row2 && selection.end.row > row2)
692 if ((i < row1 && j > row1) 738 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
693 || (i < row2 && j > row2) 739 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
694 || (i - count < row1 && i >= row1) 740 || (selection.end.row - count < row1 && selection.end.row >= row1)
695 || (i - count > row2 && i <= row2) 741 || (selection.end.row - count > row2 && selection.end.row <= row2))
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 {
699 CLEAR_ALL_SELECTION (); 742 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 743 else if (selection.end.row >= row1 && selection.end.row <= row2)
701 }
702 else if (j >= row1 && j <= row2)
703 { 744 {
704 /* move selected region too */ 745 /* move selected region too */
705 selection.beg.row -= count; 746 selection.beg.row -= count;
706 selection.end.row -= count; 747 selection.end.row -= count;
707 selection.mark.row -= count; 748 selection.mark.row -= count;
708 }
709 }
710 749
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 750 selection_check (0);
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 { 751 }
729 buf_text[i] = screen.text[j];
730 buf_rend[i] = screen.rend[j];
731 }
732 /* A2: Rotate lines */
733 for (j = row1, i = j + count; i <= row2; i++, j++)
734 {
735 screen.tlen[j] = screen.tlen[i];
736 screen.text[j] = screen.text[i];
737 screen.rend[j] = screen.rend[i];
738 }
739 j = row2 - count + 1, i = count;
740 }
741 else /* if (j < 0) */
742 { 752 }
743 /* B: scroll down */
744
745 /* B1: Copy lines that will get clobbered by the rotation */
746 for (i = 0, j = row2; i < count; i++, j--)
747 {
748 buf_text[i] = screen.text[j];
749 buf_rend[i] = screen.rend[j];
750 }
751 /* B2: Rotate lines */
752 for (j = row2, i = j - count; i >= row1; i--, j--)
753 {
754 screen.tlen[j] = screen.tlen[i];
755 screen.text[j] = screen.text[i];
756 screen.rend[j] = screen.rend[i];
757 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 {
765 screen.tlen[j] = 0;
766 screen.text[j] = buf_text[i];
767 screen.rend[j] = buf_rend[i];
768
769 if (!spec) /* line length may not equal TermWin.ncol */
770 scr_blank_screen_mem (screen.text, screen.rend,
771 (unsigned int)j, rstyle);
772 }
773
774#ifdef RXVT_GRAPHICS
775 if (Gr_Displayed ())
776 Gr_scroll (count);
777#endif
778 753
779 return count; 754 return count;
780} 755}
781 756
782/* ------------------------------------------------------------------------- */ 757/* ------------------------------------------------------------------------- */
783/* 758/*
784 * Add text given in <str> of length <len> to screen struct 759 * Add text given in <str> of length <len> to screen struct
785 */ 760 */
786void 761void
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 762rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
788{ 763{
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 */ 764 if (len <= 0) /* sanity */
796 return; 765 return;
797 766
767 unsigned char checksel;
768 unicode_t c;
769 int ncol = this->ncol;
770 const wchar_t *strend = str + len;
771
798 want_refresh = 1; 772 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 773 ZERO_SCROLLBACK ();
774
803 if (nlines > 0) { 775 if (minlines > 0)
776 {
804 nlines += (screen.cur.row - screen.bscroll); 777 minlines += screen.cur.row - screen.bscroll;
778 min_it (minlines, screen.cur.row - top_row);
779
805 if ((nlines > 0) 780 if (minlines > 0
806 && (screen.tscroll == 0) 781 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 782 && screen.bscroll == nrow - 1)
783 {
808 /* _at least_ this many lines need to be scrolled */ 784 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 785 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 786 screen.cur.row -= minlines;
811 } 787 }
812 } 788 }
813#ifdef DEBUG_STRICT 789
814 assert(screen.cur.col < last_col); 790 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 791 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 792 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 793 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;
823 794
824 checksel = (selection.op 795 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 796
828 stp = screen.text[row]; 797 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 798
831 for (i = 0; i < len;) { 799 while (str < strend)
832 c = str[i++]; 800 {
833 switch (c) { 801 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 802
835 scr_tab (1); 803 if (ecb_unlikely (c < 0x20))
804 if (c == C0_LF)
805 {
806 max_it (line->l, screen.cur.col);
807
808 screen.flags &= ~Screen_WrapNext;
809
810 if (screen.cur.row == screen.bscroll)
811 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
812 else if (screen.cur.row < (nrow - 1))
813 row = ++screen.cur.row;
814
815 line = &ROW(row); /* _must_ refresh */
836 continue; 816 continue;
837 case '\n': 817 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 818 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 819 {
840 screen.flags &= ~Screen_WrapNext; 820 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 821
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; 822 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 823 screen.cur.col = 0;
853 continue; 824 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 825 }
826 else if (c == C0_HT)
827 {
828 scr_tab (1, true);
829 continue;
830 }
859 831
832 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 833 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 834 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 835 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
836 ))
837 {
863 checksel = 0; 838 checksel = 0;
864 clearsel = 1; 839 /*
840 * If we wrote anywhere in the selected area, kill the selection
841 * XXX: should we kill the mark too? Possibly, but maybe that
842 * should be a similar check.
843 */
844 CLEAR_SELECTION ();
845 }
846
847 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 848 {
866 if (screen.flags & Screen_WrapNext) { 849 scr_do_wrap ();
867 screen.tlen[row] = -1; 850
868 if (screen.cur.row == screen.bscroll) 851 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 852 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 853
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; 854 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 855 line = &ROW(row); /* _must_ refresh */
856 }
857
858 // some utf-8 decoders "decode" surrogate characters: let's fix this.
859 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
860 c = 0xfffd;
861
862 // rely on wcwidth to tell us the character width, do wcwidth before
863 // further replacements, as wcwidth might return -1 for the line
864 // drawing characters below as they might be invalid in the current
865 // locale.
866 int width = WCWIDTH (c);
867
868 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 869 {
877 if (screen.flags & Screen_Insert) 870 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 871 // 5f-7e standard vt100
872 // 40-5e rxvt extension for extra curses acs chars
873 static uint16_t vt100_0[62] = { // 41 .. 7e
874 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
875 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
876 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
877 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
878 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
879 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
880 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
881 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
882 };
879 883
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 884 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 885 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 886 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 887 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 } 888 }
889 }
895 890
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 891 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 892 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 893
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 894 if (width != 0)
895 {
896#if !UNICODE_3
897 // trim characters we can't store directly :(
898 if (c >= 0x10000)
899# if ENABLE_COMBINING
900 c = rxvt_composite.compose (c); // map to lower 16 bits
901# else
902 c = 0xfffd;
903# endif
904#endif
905
906 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
907
908 // if the character doesn't fit into the remaining columns...
909 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
910 {
911 if (screen.flags & Screen_Autowrap)
912 {
913 // ... artificially enlargen the previous one
914 c = NOCHAR;
915 // and try the same character next loop iteration
916 --str;
917 }
918 else
919 screen.cur.col = ncol - width;
920 }
921
922 // nuke the character at this position, if required
923 // due to wonderful coincidences everywhere else in this loop
924 // we never have to check for overwriting a wide char itself,
925 // only its tail.
926 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
927 scr_kill_char (*line, screen.cur.col);
928
929 line->touch ();
930
902 do 931 do
903 { 932 {
904 stp[screen.cur.col] = c; 933 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 934 line->r[screen.cur.col] = rend;
906 935
907 if (screen.cur.col < last_col - 1) 936 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 937 screen.cur.col++;
909 else 938 else
910 { 939 {
911 screen.tlen[row] = last_col; 940 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 941 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 942 screen.flags |= Screen_WrapNext;
914 break; 943
944 goto end_of_line;
915 } 945 }
916 946
917 c = NOCHAR; 947 c = NOCHAR;
918 } 948 }
919 while (--width > 0); 949 while (ecb_unlikely (--width > 0));
950
951 // pad with spaces when overwriting wide character with smaller one
952 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
953 {
954 line->t[c] = ' ';
955 line->r[c] = rend;
956 }
957
958end_of_line:
959 ;
960 }
961#if ENABLE_COMBINING
962 else // width == 0
963 {
964 if (c != 0xfeff) // ignore BOM
965 {
966 // handle combining characters
967 // we just tag the accent on the previous on-screen character.
968 // this is arguably not correct, but also arguably not wrong.
969 // we don't handle double-width characters nicely yet.
970 line_t *linep;
971 text_t *tp;
972 rend_t *rp;
973
974 if (screen.cur.col > 0)
975 {
976 linep = line;
977 tp = line->t + screen.cur.col - 1;
978 rp = line->r + screen.cur.col - 1;
979 }
980 else if (screen.cur.row > 0
981 && ROW(screen.cur.row - 1).is_longer ())
982 {
983 linep = &ROW(screen.cur.row - 1);
984 tp = line->t + ncol - 1;
985 rp = line->r + ncol - 1;
986 }
920 else 987 else
921 (void)0; /* handle combining character etc. here. */ 988 continue;
922 }
923 989
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 990 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 991
927/* 992 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 993 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();
934 994
935#ifdef DEBUG_STRICT 995 // first try to find a precomposed character
996 unicode_t n = rxvt_compose (*tp, c);
997 if (n == NOCHAR)
998 n = rxvt_composite.compose (*tp, c);
999
1000 *tp = n;
1001 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1002 }
1003 }
1004#endif
1005 }
1006
1007 max_it (line->l, screen.cur.col);
1008
936 assert(screen.cur.row >= 0); 1009 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1010}
941 1011
942/* ------------------------------------------------------------------------- */ 1012/* ------------------------------------------------------------------------- */
943/* 1013/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1014 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1015 * XTERM_SEQ: CTRL-H
946 */ 1016 */
947void 1017void
948rxvt_term::scr_backspace () 1018rxvt_term::scr_backspace () NOTHROW
949{ 1019{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1020 if (screen.cur.col == 0)
1021 {
952 if (screen.cur.row > 0) { 1022 if (screen.cur.row > 0)
1023 {
953#ifdef TERMCAP_HAS_BW 1024#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1025 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1026 --screen.cur.row;
956 return; 1027
1028 want_refresh = 1;
957#endif 1029#endif
958 } 1030 }
1031 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1032 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1033 screen.flags &= ~Screen_WrapNext;
1034 else
1035 scr_gotorc (0, -1, RELATIVE);
962} 1036}
963 1037
964/* ------------------------------------------------------------------------- */ 1038/* ------------------------------------------------------------------------- */
965/* 1039/*
966 * Process Horizontal Tab 1040 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1041 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1042 * XTERM_SEQ: CTRL-I
969 */ 1043 */
970void 1044void
971rxvt_term::scr_tab (int count) 1045rxvt_term::scr_tab (int count, bool ht) NOTHROW
972{ 1046{
973 int i, x; 1047 int i, x;
974 1048
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1049 want_refresh = 1;
977 i = x = screen.cur.col; 1050 i = x = screen.cur.col;
1051
978 if (count == 0) 1052 if (count == 0)
979 return; 1053 return;
980 else if (count > 0) { 1054 else if (count > 0)
1055 {
1056 line_t &l = ROW(screen.cur.row);
1057 rend_t base_rend = l.r[i];
1058 ht &= l.t[i] == ' ';
1059
981 for (; ++i < TermWin.ncol; ) 1060 for (; ++i < ncol; )
982 if (tabs[i]) { 1061 if (tabs[i])
1062 {
983 x = i; 1063 x = i;
1064
984 if (!--count) 1065 if (!--count)
985 break; 1066 break;
1067 }
1068 else
1069 ht &= l.t[i] == ' '
1070 && RS_SAME (l.r[i], base_rend);
1071
1072 if (count)
1073 x = ncol - 1;
1074
1075 // store horizontal tab commands as characters inside the text
1076 // buffer so they can be selected and pasted.
1077 if (ht && option (Opt_pastableTabs))
1078 {
1079 base_rend = SET_FONT (base_rend, 0);
1080
1081 l.touch (x);
1082
1083 i = screen.cur.col;
1084
1085 l.t[i] = '\t';
1086 l.r[i] = base_rend;
1087
1088 while (++i < x)
1089 {
1090 l.t[i] = NOCHAR;
1091 l.r[i] = base_rend;
986 } 1092 }
987 if (count) 1093 }
988 x = TermWin.ncol - 1; 1094 }
989 } else /* if (count < 0) */ { 1095 else /* if (count < 0) */
1096 {
990 for (; --i >= 0; ) 1097 for (; --i >= 0; )
991 if (tabs[i]) { 1098 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1099 {
996 if (count)
997 x = 0; 1100 x = i;
1101 if (!++count)
1102 break;
1103 }
1104
1105 if (count)
1106 x = 0;
998 } 1107 }
1108
999 if (x != screen.cur.col) 1109 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1110 scr_gotorc (0, x, R_RELATIVE);
1001} 1111}
1002 1112
1003/* ------------------------------------------------------------------------- */ 1113/* ------------------------------------------------------------------------- */
1004/* 1114/*
1005 * Process DEC Back Index 1115 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1116 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1117 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1118 * in that row right. Clear left column.
1009 */ 1119 */
1010#ifndef NO_FRILLS 1120#if !ENABLE_MINIMAL
1011void 1121void
1012rxvt_term::scr_backindex () 1122rxvt_term::scr_backindex () NOTHROW
1013{ 1123{
1014 if (screen.cur.col > 0) 1124 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1125 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1126 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1127 scr_insdel_chars (1, INSERT);
1020 }
1021} 1128}
1022#endif 1129#endif
1023/* ------------------------------------------------------------------------- */ 1130/* ------------------------------------------------------------------------- */
1024/* 1131/*
1025 * Process DEC Forward Index 1132 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1133 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1134 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1135 * in that row left. Clear right column.
1029 */ 1136 */
1030#ifndef NO_FRILLS 1137#if !ENABLE_MINIMAL
1031void 1138void
1032rxvt_term::scr_forwardindex () 1139rxvt_term::scr_forwardindex () NOTHROW
1033{ 1140{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1141 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1142 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1143 else
1039 row = screen.cur.row + TermWin.saveLines; 1144 {
1040 if (screen.tlen[row] == 0) 1145 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1146
1042 else if (screen.tlen[row] == -1) 1147 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1148 l.is_longer (0);
1149
1044 scr_gotorc (0, 0, R_RELATIVE); 1150 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1151 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1152 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1153 }
1048} 1154}
1049#endif 1155#endif
1050 1156
1051/* ------------------------------------------------------------------------- */ 1157/* ------------------------------------------------------------------------- */
1052/* 1158/*
1053 * Goto Row/Column 1159 * Goto Row/Column
1054 */ 1160 */
1055void 1161void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1162rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1057{ 1163{
1058 want_refresh = 1; 1164 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1165 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1166
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) 1167 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1168 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 1169
1072 screen.flags &= ~Screen_WrapNext; 1170 screen.flags &= ~Screen_WrapNext;
1171
1073 if (relative & R_RELATIVE) { 1172 if (relative & R_RELATIVE)
1173 {
1074 if (row > 0) { 1174 if (row > 0)
1175 {
1075 if (screen.cur.row <= screen.bscroll 1176 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1177 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1178 screen.cur.row = screen.bscroll;
1078 else 1179 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; 1180 screen.cur.row += row;
1181 }
1182 else if (row < 0)
1183 {
1184 if (screen.cur.row >= screen.tscroll
1185 && (screen.cur.row + row) < screen.tscroll)
1186 screen.cur.row = screen.tscroll;
1187 else
1188 screen.cur.row += row;
1189 }
1190 }
1191 else
1093 } 1192 {
1094 MAX_IT(screen.cur.row, 0); 1193 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1194 {
1096} 1195 /* relative origin mode */
1196 screen.cur.row = row + screen.tscroll;
1197 min_it (screen.cur.row, screen.bscroll);
1198 }
1199 else
1200 screen.cur.row = row;
1201 }
1097 1202
1203 clamp_it (screen.cur.row, 0, nrow - 1);
1204}
1205
1098/* ------------------------------------------------------------------------- */ 1206/* ------------------------------------------------------------------------- */
1099/* 1207/*
1100 * direction should be UP or DN 1208 * direction should be UP or DN
1101 */ 1209 */
1102void 1210void
1103rxvt_term::scr_index (enum page_dirn direction) 1211rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1104{ 1212{
1105 int dirn; 1213 int dirn;
1106 1214
1107 want_refresh = 1; 1215 want_refresh = 1;
1216 ZERO_SCROLLBACK ();
1217
1108 dirn = ((direction == UP) ? 1 : -1); 1218 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110 1219
1111 ZERO_SCROLLBACK();
1112
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1220 screen.flags &= ~Screen_WrapNext;
1221
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1222 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1223 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1224 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1122 else 1225 else
1123 screen.cur.row += dirn; 1226 screen.cur.row += dirn;
1124 MAX_IT(screen.cur.row, 0); 1227
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1228 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1229 selection_check (0);
1127} 1230}
1128 1231
1129/* ------------------------------------------------------------------------- */ 1232/* ------------------------------------------------------------------------- */
1130/* 1233/*
1131 * Erase part or whole of a line 1234 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1235 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1236 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1237 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1238 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1239 */
1136void 1240void
1137rxvt_term::scr_erase_line (int mode) 1241rxvt_term::scr_erase_line (int mode) NOTHROW
1138{ 1242{
1139 unsigned int row, col, num; 1243 unsigned int col, num;
1140 1244
1141 want_refresh = 1; 1245 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1246 ZERO_SCROLLBACK ();
1144 1247
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1248 selection_check (1);
1151 1249
1152 screen.flags &= ~Screen_WrapNext; 1250 line_t &line = ROW(screen.cur.row);
1153 1251
1154 row = TermWin.saveLines + screen.cur.row; 1252 line.touch ();
1253 line.is_longer (0);
1254
1155 switch (mode) 1255 switch (mode)
1156 { 1256 {
1257 case 3:
1258 if (screen.flags & Screen_WrapNext)
1259 return;
1260
1261 /* fall through */
1262
1157 case 0: /* erase to end of line */ 1263 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1264 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1265 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1266 min_it (line.l, col);
1267
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1268 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1269 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1270 CLEAR_SELECTION ();
1164 break; 1271 break;
1272
1165 case 1: /* erase to beginning of line */ 1273 case 1: /* erase to beginning of line */
1166 col = 0; 1274 col = 0;
1167 num = screen.cur.col + 1; 1275 num = screen.cur.col + 1;
1276
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1277 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1278 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1279 CLEAR_SELECTION ();
1171 break; 1280 break;
1281
1172 case 2: /* erase whole line */ 1282 case 2: /* erase whole line */
1173 col = 0; 1283 col = 0;
1174 num = TermWin.ncol; 1284 num = ncol;
1175 screen.tlen[row] = 0; 1285 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1286 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1287 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1288 CLEAR_SELECTION ();
1179 break; 1289 break;
1180 default: 1290 default:
1181 return; 1291 return;
1182 } 1292 }
1183 1293
1184 if (screen.text[row]) 1294 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} 1295}
1190 1296
1191/* ------------------------------------------------------------------------- */ 1297/* ------------------------------------------------------------------------- */
1192/* 1298/*
1193 * Erase part of whole of the screen 1299 * Erase part of whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1300 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1301 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1302 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1303 */
1198void 1304void
1199rxvt_term::scr_erase_screen (int mode) 1305rxvt_term::scr_erase_screen (int mode) NOTHROW
1200{ 1306{
1201 int num; 1307 int num;
1202 int32_t row, row_offset; 1308 int32_t row;
1203 rend_t ren; 1309 rend_t ren;
1204 XGCValues gcvalue; 1310 XGCValues gcvalue;
1205 1311
1206 want_refresh = 1; 1312 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1313 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1314
1211 switch (mode) { 1315 switch (mode)
1316 {
1212 case 0: /* erase to end of screen */ 1317 case 0: /* erase to end of screen */
1213 selection_check (1); 1318 selection_check (1);
1214 scr_erase_line (0); 1319 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1320 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1321 num = nrow - row;
1217 break; 1322 break;
1218 case 1: /* erase to beginning of screen */ 1323 case 1: /* erase to beginning of screen */
1219 selection_check (3); 1324 selection_check (3);
1220 scr_erase_line (1); 1325 scr_erase_line (1);
1221 row = 0; 1326 row = 0;
1222 num = screen.cur.row; 1327 num = screen.cur.row;
1223 break; 1328 break;
1224 case 2: /* erase whole screen */ 1329 case 2: /* erase whole screen */
1225 selection_check (3); 1330 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1331 row = 0;
1230 num = TermWin.nrow; 1332 num = nrow;
1231 break; 1333 break;
1232 default: 1334 default:
1233 return; 1335 return;
1234 } 1336 }
1235 refresh_type |= REFRESH_BOUNDS; 1337
1236 if (selection.op && current_screen == selection.screen 1338 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1339 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1340 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1341 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1342 CLEAR_SELECTION ();
1343
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1344 if (row >= nrow) /* Out Of Bounds */
1242 return; 1345 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1346
1347 min_it (num, nrow - row);
1348
1244 if (rstyle & (RS_RVid | RS_Uline)) 1349 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1350 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1351 else if (GET_BASEBG (rstyle) == Color_bg)
1352 {
1247 ren = DEFAULT_RSTYLE; 1353 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1354
1249 } else { 1355 if (mapped)
1356 XClearArea (dpy, vt, 0,
1357 Row2Pixel (row - view_start), (unsigned int)width,
1358 (unsigned int)Height2Pixel (num), False);
1359 }
1360 else
1361 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1362 ren = rstyle & (RS_fgMask | RS_bgMask);
1363
1364 if (mapped)
1365 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1366 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1367 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1368 XFillRectangle (dpy, vt, gc,
1369 0, Row2Pixel (row - view_start),
1370 (unsigned int)width,
1371 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1372 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1373 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1374 }
1256 } 1375 }
1376
1257 for (; num--; row++) { 1377 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 } 1378 {
1379 scr_blank_screen_mem (ROW(row), rstyle);
1380
1381 if (row - view_start < nrow)
1382 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1383 }
1264} 1384}
1385
1386#if !ENABLE_MINIMAL
1387void
1388rxvt_term::scr_erase_savelines () NOTHROW
1389{
1390 want_refresh = 1;
1391 ZERO_SCROLLBACK ();
1392
1393 top_row = 0;
1394}
1395#endif
1265 1396
1266/* ------------------------------------------------------------------------- */ 1397/* ------------------------------------------------------------------------- */
1267/* 1398/*
1268 * Fill the screen with `E's 1399 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1400 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1401 */
1271void 1402void
1272rxvt_term::scr_E () 1403rxvt_term::scr_E () NOTHROW
1273{ 1404{
1274 int i, j, k; 1405 rend_t fs;
1275 rend_t *r1, fs;
1276 1406
1277 want_refresh = 1; 1407 want_refresh = 1;
1408 ZERO_SCROLLBACK ();
1409
1278 num_scr_allow = 0; 1410 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3); 1411 selection_check (3);
1281 1412
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1413 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1414 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1415 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1416 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1417
1418 fill_text (line.t, 'E', ncol);
1419 rend_t *r1 = line.r;
1420
1421 for (int j = ncol; j--; )
1287 *r1++ = fs; 1422 *r1++ = fs;
1423
1424 line.is_longer (0);
1425 line.touch (ncol);
1288 } 1426 }
1289} 1427}
1290 1428
1291/* ------------------------------------------------------------------------- */ 1429/* ------------------------------------------------------------------------- */
1292/* 1430/*
1293 * Insert/Delete <count> lines 1431 * Insert/Delete <count> lines
1294 */ 1432 */
1295void 1433void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1434rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1297{ 1435{
1298 int end; 1436 int end;
1299 1437
1300 ZERO_SCROLLBACK(); 1438 ZERO_SCROLLBACK ();
1301 1439
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1440 selection_check (1);
1308 1441
1309 if (screen.cur.row > screen.bscroll) 1442 if (screen.cur.row > screen.bscroll)
1443 return;
1444
1445 end = screen.bscroll - screen.cur.row + 1;
1446 if (count > end)
1447 {
1448 if (insdel == DELETE)
1310 return; 1449 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) 1450 else if (insdel == INSERT)
1317 count = end; 1451 count = end;
1318 } 1452 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1453
1454 scr_do_wrap ();
1455
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1456 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1457}
1323 1458
1324/* ------------------------------------------------------------------------- */ 1459/* ------------------------------------------------------------------------- */
1325/* 1460/*
1326 * Insert/Delete <count> characters from the current position 1461 * Insert/Delete <count> characters from the current position
1327 */ 1462 */
1328void 1463void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1464rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1330{ 1465{
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; 1466 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1467 ZERO_SCROLLBACK ();
1339 1468
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1469 if (count <= 0)
1346 return; 1470 return;
1347 1471
1472 scr_do_wrap ();
1473
1348 selection_check (1); 1474 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1475 min_it (count, ncol - screen.cur.col);
1350 1476
1351 row = screen.cur.row + TermWin.saveLines; 1477 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1478
1354 stp = screen.text[row]; 1479 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1480
1356 slp = &(screen.tlen[row]); 1481 line->touch ();
1482 line->is_longer (0);
1483
1484 // nuke wide spanning the start
1485 if (line->t[screen.cur.col] == NOCHAR)
1486 scr_kill_char (*line, screen.cur.col);
1487
1357 switch (insdel) { 1488 switch (insdel)
1489 {
1358 case INSERT: 1490 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1491 line->l = min (line->l + count, ncol);
1360 col--) { 1492
1493 if (line->t[screen.cur.col] == NOCHAR)
1494 scr_kill_char (*line, screen.cur.col);
1495
1496 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1497 {
1361 stp[col] = stp[col - count]; 1498 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1499 line->r[col] = line->r[col - count];
1363 } 1500 }
1364 if (*slp != -1) { 1501
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1502 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1503 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1504 {
1370 if (selection.end.row != screen.cur.row 1505 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1506 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1507 CLEAR_SELECTION ();
1508 else
1509 {
1373 else { /* shift selection */ 1510 /* shift selection */
1374 selection.beg.col += count; 1511 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1512 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1513 selection.end.col += count;
1377 } 1514 }
1378 } 1515 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1516
1380 (unsigned int)count, rstyle); 1517 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1518 break;
1519
1382 case ERASE: 1520 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1521 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1522 selection_check (1);
1385 screen.cur.col -= count; 1523 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1524
1387 (unsigned int)count, rstyle); 1525 // nuke wide char after the end
1526 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1527 scr_kill_char (*line, screen.cur.col + count);
1528
1529 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1530 break;
1531
1389 case DELETE: 1532 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1533 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1534
1535 // nuke wide char spanning the end
1536 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1537 scr_kill_char (*line, screen.cur.col + count);
1538
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1539 for (int col = screen.cur.col; (col + count) < ncol; col++)
1540 {
1393 stp[col] = stp[col + count]; 1541 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1542 line->r[col] = line->r[col + count];
1395 } 1543 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1544
1397 &(srp[TermWin.ncol - count]), 1545 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1546
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 1547 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1548 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1549 {
1405 if (selection.end.row != screen.cur.row 1550 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1551 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1552 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1553 CLEAR_SELECTION ();
1409 else { 1554 else
1555 {
1410 /* shift selection */ 1556 /* shift selection */
1411 selection.beg.col -= count; 1557 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1558 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1559 selection.end.col -= count;
1414 } 1560 }
1415 } 1561 }
1562
1416 break; 1563 break;
1417 } 1564 }
1418} 1565}
1419 1566
1420/* ------------------------------------------------------------------------- */ 1567/* ------------------------------------------------------------------------- */
1421/* 1568/*
1422 * Set the scrolling region 1569 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1570 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1571 */
1425void 1572void
1426rxvt_term::scr_scroll_region (int top, int bot) 1573rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1427{ 1574{
1428 MAX_IT(top, 0); 1575 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1576 min_it (bot, nrow - 1);
1577
1430 if (top > bot) 1578 if (top > bot)
1431 return; 1579 return;
1580
1432 screen.tscroll = top; 1581 screen.tscroll = top;
1433 screen.bscroll = bot; 1582 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1583 scr_gotorc (0, 0, 0);
1435} 1584}
1436 1585
1437/* ------------------------------------------------------------------------- */ 1586/* ------------------------------------------------------------------------- */
1438/* 1587/*
1439 * Make the cursor visible/invisible 1588 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1589 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1590 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1591 */
1443void 1592void
1444rxvt_term::scr_cursor_visible (int mode) 1593rxvt_term::scr_cursor_visible (int mode) NOTHROW
1445{ 1594{
1446 want_refresh = 1; 1595 want_refresh = 1;
1596
1447 if (mode) 1597 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1598 screen.flags |= Screen_VisibleCursor;
1449 else 1599 else
1450 screen.flags &= ~Screen_VisibleCursor; 1600 screen.flags &= ~Screen_VisibleCursor;
1451} 1601}
1452 1602
1453/* ------------------------------------------------------------------------- */ 1603/* ------------------------------------------------------------------------- */
1454/* 1604/*
1455 * Set/unset automatic wrapping 1605 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1606 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1607 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1608 */
1459void 1609void
1460rxvt_term::scr_autowrap (int mode) 1610rxvt_term::scr_autowrap (int mode) NOTHROW
1461{ 1611{
1462 if (mode) 1612 if (mode)
1463 screen.flags |= Screen_Autowrap; 1613 screen.flags |= Screen_Autowrap;
1464 else 1614 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1615 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1616}
1467 1617
1468/* ------------------------------------------------------------------------- */ 1618/* ------------------------------------------------------------------------- */
1469/* 1619/*
1470 * Set/unset margin origin mode 1620 * Set/unset margin origin mode
1474 * and the cursor cannot be moved outside. 1624 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1625 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1626 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1627 */
1478void 1628void
1479rxvt_term::scr_relative_origin (int mode) 1629rxvt_term::scr_relative_origin (int mode) NOTHROW
1480{ 1630{
1481 if (mode) 1631 if (mode)
1482 screen.flags |= Screen_Relative; 1632 screen.flags |= Screen_Relative;
1483 else 1633 else
1484 screen.flags &= ~Screen_Relative; 1634 screen.flags &= ~Screen_Relative;
1635
1485 scr_gotorc (0, 0, 0); 1636 scr_gotorc (0, 0, 0);
1486} 1637}
1487 1638
1488/* ------------------------------------------------------------------------- */ 1639/* ------------------------------------------------------------------------- */
1489/* 1640/*
1490 * Set insert/replace mode 1641 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1642 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1643 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1644 */
1494void 1645void
1495rxvt_term::scr_insert_mode (int mode) 1646rxvt_term::scr_insert_mode (int mode) NOTHROW
1496{ 1647{
1497 if (mode) 1648 if (mode)
1498 screen.flags |= Screen_Insert; 1649 screen.flags |= Screen_Insert;
1499 else 1650 else
1500 screen.flags &= ~Screen_Insert; 1651 screen.flags &= ~Screen_Insert;
1501} 1652}
1502 1653
1503/* ------------------------------------------------------------------------- */ 1654/* ------------------------------------------------------------------------- */
1504/* 1655/*
1505 * Set/Unset tabs 1656 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1657 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1658 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1659 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1660 */
1510void 1661void
1511rxvt_term::scr_set_tab (int mode) 1662rxvt_term::scr_set_tab (int mode) NOTHROW
1512{ 1663{
1513 if (mode < 0) 1664 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1665 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1666 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1667 tabs [screen.cur.col] = !!mode;
1517} 1668}
1518 1669
1519/* ------------------------------------------------------------------------- */ 1670/* ------------------------------------------------------------------------- */
1520/* 1671/*
1521 * Set reverse/normal video 1672 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1673 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1674 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1675 */
1525void 1676void
1526rxvt_term::scr_rvideo_mode (int mode) 1677rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1527{ 1678{
1679 rvideo_mode = on;
1680
1681#ifndef NO_BELL
1682 on ^= rvideo_bell;
1683#endif
1684
1685 if (rvideo_state != on)
1686 {
1687 rvideo_state = on;
1688
1689 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1690#ifdef HAVE_BG_PIXMAP
1691 if (bg_pixmap == None)
1692#endif
1693 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1694
1528 XGCValues gcvalue; 1695 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]; 1696 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1697 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1698 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1699
1546 scr_clear (); 1700 scr_clear ();
1547 scr_touch (true); 1701 scr_touch (true);
1548 } 1702 }
1549} 1703}
1550 1704
1551/* ------------------------------------------------------------------------- */ 1705/* ------------------------------------------------------------------------- */
1552/* 1706/*
1553 * Report current cursor position 1707 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1708 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1709 */
1556void 1710void
1557rxvt_term::scr_report_position () 1711rxvt_term::scr_report_position () NOTHROW
1558{ 1712{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1713 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1714}
1561 1715
1562/* ------------------------------------------------------------------------- * 1716/* ------------------------------------------------------------------------- *
1563 * FONTS * 1717 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1718 * ------------------------------------------------------------------------- */
1565 1719
1566/* 1720/*
1567 * Set font style 1721 * Set font style
1568 */ 1722 */
1569void 1723void
1570rxvt_term::set_font_style () 1724rxvt_term::set_font_style () NOTHROW
1571{ 1725{
1726#if 0
1572 switch (charsets[screen.charset]) { 1727 switch (charsets [screen.charset])
1728 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1729 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1730 break;
1575 case 'A': /* United Kingdom (UK) */ 1731 case 'A': /* United Kingdom (UK) */
1576 break; 1732 break;
1577 case 'B': /* United States (USASCII) */ 1733 case 'B': /* United States (USASCII) */
1578 break; 1734 break;
1579 case '<': /* Multinational character set */ 1735 case '<': /* Multinational character set */
1580 break; 1736 break;
1581 case '5': /* Finnish character set */ 1737 case '5': /* Finnish character set */
1582 break; 1738 break;
1583 case 'C': /* Finnish character set */ 1739 case 'C': /* Finnish character set */
1584 break; 1740 break;
1585 case 'K': /* German character set */ 1741 case 'K': /* German character set */
1586 break; 1742 break;
1587 } 1743 }
1744#endif
1588} 1745}
1589 1746
1590/* ------------------------------------------------------------------------- */ 1747/* ------------------------------------------------------------------------- */
1591/* 1748/*
1592 * Choose a font 1749 * Choose a font
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1751 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1752 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1753 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1754 */
1598void 1755void
1599rxvt_term::scr_charset_choose (int set) 1756rxvt_term::scr_charset_choose (int set) NOTHROW
1600{ 1757{
1601 screen.charset = set; 1758 screen.charset = set;
1602 set_font_style (); 1759 set_font_style ();
1603} 1760}
1604 1761
1605/* ------------------------------------------------------------------------- */ 1762/* ------------------------------------------------------------------------- */
1606/* 1763/*
1607 * Set a font 1764 * Set a font
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1767 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1768 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1769 * See set_font_style for possible values for <C>
1613 */ 1770 */
1614void 1771void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1772rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1616{ 1773{
1617 charsets[set] = (unsigned char)ch; 1774 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1775 set_font_style ();
1619} 1776}
1620 1777
1621 1778
1622/* ------------------------------------------------------------------------- * 1779/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1780 * MAJOR SCREEN MANIPULATION *
1625 1782
1626/* 1783/*
1627 * refresh matching text. 1784 * refresh matching text.
1628 */ 1785 */
1629bool 1786bool
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1787rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1631{ 1788{
1632 bool found = false; 1789 bool found = false;
1633 1790
1634 for (int i = 0; i < TermWin.nrow; i++) 1791 for (int i = 0; i < nrow; i++)
1635 { 1792 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1793 rend_t *drp = drawn_buf[i].r;
1638 1794
1639 for (; col < TermWin.ncol; col++, drp++) 1795 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1796 if ((*drp & mask) == value)
1641 { 1797 {
1642 found = true; 1798 found = true;
1643 *drp = ~value; 1799 *drp = ~value;
1644 } 1800 }
1649 1805
1650/* 1806/*
1651 * Refresh an area 1807 * Refresh an area
1652 */ 1808 */
1653enum { 1809enum {
1654 PART_BEG = 0, 1810 PART_BEG = 0,
1655 PART_END, 1811 PART_END,
1656 RC_COUNT 1812 RC_COUNT
1657}; 1813};
1658 1814
1659void 1815void
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1816rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1661{ 1817{
1662 int i; 1818 int i;
1663 row_col_t rc[RC_COUNT]; 1819 row_col_t rc[RC_COUNT];
1664 1820
1665 if (drawn_text == NULL) /* sanity check */ 1821 if (!drawn_buf) /* sanity check */
1666 return; 1822 return;
1667 1823
1668#ifdef DEBUG_STRICT 1824#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1825 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1826 {
1671 y = max(y, (int)TermWin.int_bwidth); 1827 y = 0;
1672 y = min(y, (int)TermWin.height); 1828 eheight = height;
1829 }
1673#endif 1830#endif
1674 1831
1675/* round down */ 1832 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1833 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1834 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1835 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1836 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1837 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1838
1682/* sanity checks */ 1839 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1840 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1841 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1842 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1843 min_it (rc[i].row, nrow - 1);
1687 } 1844 }
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 1845
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1846 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1847 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)); 1848
1849 num_scr_allow = 0;
1694 1850
1695 if (refresh) 1851 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1852 scr_refresh ();
1697} 1853}
1698 1854
1699/* ------------------------------------------------------------------------- */ 1855/* ------------------------------------------------------------------------- */
1700/* 1856/*
1701 * Refresh the entire screen 1857 * Refresh the entire screen
1702 */ 1858 */
1703void 1859void
1704rxvt_term::scr_touch (bool refresh) 1860rxvt_term::scr_touch (bool refresh) NOTHROW
1705{ 1861{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1862 scr_expose (0, 0, width, height, refresh);
1707} 1863}
1708 1864
1709/* ------------------------------------------------------------------------- */ 1865/* ------------------------------------------------------------------------- */
1710/* 1866/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1867 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1868 * the top of the screen
1713 */ 1869 */
1714int 1870void
1715rxvt_term::scr_move_to (int y, int len) 1871rxvt_term::scr_move_to (int y, int len) NOTHROW
1716{ 1872{
1717 long p = 0; 1873 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} 1874}
1731 1875
1732/* ------------------------------------------------------------------------- */ 1876/* ------------------------------------------------------------------------- */
1733/* 1877/*
1734 * Page the screen up/down nlines 1878 * Page the screen up/down nlines
1735 * direction should be UP or DN 1879 * direction should be UP or DN
1736 */ 1880 */
1737int 1881bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1882rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1739{ 1883{
1740 int n; 1884 int new_view_start =
1741 uint16_t oldviewstart; 1885 direction == UP ? view_start - nlines
1886 : view_start + nlines;
1742 1887
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); 1888 return scr_changeview (new_view_start);
1756} 1889}
1757 1890
1758int 1891bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1892rxvt_term::scr_changeview (int new_view_start) NOTHROW
1760{ 1893{
1761 if (TermWin.view_start != oldviewstart) { 1894 clamp_it (new_view_start, top_row, 0);
1895
1896 if (new_view_start == view_start)
1897 return false;
1898
1899 num_scr += new_view_start - view_start;
1900 view_start = new_view_start;
1762 want_refresh = 1; 1901 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 1902
1772/* ------------------------------------------------------------------------- */ 1903 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1904
1774rxvt_term::scr_bell () 1905 return true;
1775{ 1906}
1907
1776#ifndef NO_BELL 1908#ifndef NO_BELL
1909void
1910rxvt_term::bell_cb (ev::timer &w, int revents)
1911{
1912 rvideo_bell = false;
1913 scr_rvideo_mode (rvideo_mode);
1914 refresh_check ();
1915}
1916#endif
1917
1918/* ------------------------------------------------------------------------- */
1919void
1920rxvt_term::scr_bell () NOTHROW
1921{
1922#ifndef NO_BELL
1923
1777# ifndef NO_MAPALERT 1924# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1925# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1926 if (option (Opt_mapAlert))
1780# endif 1927# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1928 XMapWindow (dpy, parent);
1782# endif 1929# endif
1783 if (Options & Opt_visualBell) { 1930
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1931# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1932 if (option (Opt_urgentOnBell))
1786 } else 1933 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1934# endif
1789}
1790 1935
1936 if (option (Opt_visualBell))
1937 {
1938 rvideo_bell = true;
1939 scr_rvideo_mode (rvideo_mode);
1940 flush ();
1941
1942 bell_ev.start (VISUAL_BELL_DURATION);
1943 }
1944 else
1945 XBell (dpy, 0);
1946 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1947#endif
1948}
1949
1791/* ------------------------------------------------------------------------- */ 1950/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */
1793void 1951void
1794rxvt_term::scr_printscreen (int fullhist) 1952rxvt_term::scr_printscreen (int fullhist) NOTHROW
1795{ 1953{
1796#ifdef PRINTPIPE 1954#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1955 int nrows, row_start;
1798 text_t *t; 1956 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1957
1801 if ((fd = popen_printer ()) == NULL) 1958 if (!fd)
1802 return; 1959 return;
1803 nrows = TermWin.nrow; 1960
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1961 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1962 {
1811 1963 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1964 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 1965 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 1966 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 1967 {
1968 nrows = nrow;
1969 row_start = view_start;
1970 }
1971
1972 wctomb (0, 0);
1973
1974 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1975 {
1976 text_t *tp = ROW(r1).t;
1977 int len = ROW(r1).l;
1978
1979 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1980 {
1981 char mb[MB_LEN_MAX];
1982 text_t t = *tp++;
1983 if (t == NOCHAR)
1984 continue;
1985
1986 len = wctomb (mb, t);
1987
1988 if (len <= 0)
1989 {
1990 mb[0] = ' ';
1991 len = 1;
1992 }
1993
1994 fwrite (mb, 1, len, fd);
1995 }
1996
1997 fputc ('\n', fd);
1998 }
1999
1819 pclose_printer (fd); 2000 pclose_printer (fd);
1820#endif 2001#endif
1821} 2002}
1822 2003
1823/* ------------------------------------------------------------------------- */ 2004/* ------------------------------------------------------------------------- */
1824/* 2005/*
1825 * Refresh the screen 2006 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2007 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2008 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2009 */
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 2010void
1840rxvt_term::scr_refresh (unsigned char refresh_type) 2011rxvt_term::scr_refresh () NOTHROW
1841{ 2012{
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 */ 2013 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2014 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2015 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */
1852#ifndef NO_CURSORCOLOR 2016#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2017 rend_t cc1; /* store colours at cursor position (s) */
1854#endif 2018#endif
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2019 rend_t *crp; // cursor rendition pointer
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */ 2020 rend_t ccol1, /* Cursor colour */
2021 ccol2; /* Cursor colour2 */
1857 2022
2023 want_refresh = 0; /* screen is current */
2024
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2025 if (refresh_type == NO_REFRESH || !mapped)
1859 return; 2026 return;
1860 2027
1861 /* 2028 /*
1862 * A: set up vars 2029 * A: set up vars
1863 */ 2030 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0; 2031 refresh_count = 0;
1867 2032
1868 row_offset = TermWin.saveLines - TermWin.view_start; 2033 unsigned int old_screen_flags = screen.flags;
2034 char have_bg = 0;
2035#ifdef HAVE_BG_PIXMAP
2036 have_bg = bg_pixmap != None;
2037#endif
2038 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1869 2039
1870 if ((refresh_type & REFRESH_BOUNDS)) 2040 /*
2041 * B: reverse any characters which are selected
2042 */
2043 scr_reverse_selection ();
2044
2045 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2046#if ENABLE_OVERLAY
2047 scr_swap_overlay ();
2048#endif
2049
2050 char showcursor = screen.flags & Screen_VisibleCursor;
2051
2052 /*
2053 * C: set the cursor character (s)
2054 */
2055 {
2056 unsigned char setoldcursor;
2057
2058#ifdef CURSOR_BLINK
2059 if (hidden_cursor)
2060 showcursor = 0;
2061#endif
2062
2063 if (showcursor)
1871 { 2064 {
1872 clearfirst = clearlast = 1; 2065 int col = screen.cur.col;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875 2066
1876#if defined(XPM_BACKGROUND) 2067 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
1877 must_clear |= (bgPixmap.pixmap != None); 2068 col--;
1878#endif
1879#if defined(TRANSPARENT)
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883 2069
1884 /* 2070 crp = &ROW(screen.cur.row).r[col];
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888 2071
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 2072#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask); 2073 cc1 = *crp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2074 if (ISSET_PIXCOLOR (Color_cursor))
1919 ccol1 = Color_cursor; 2075 ccol1 = Color_cursor;
1920 else 2076 else
2077#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2078#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2079 ccol1 = fgcolor_of (rstyle);
1923#else 2080#else
1924 ccol1 = Color_fg; 2081 ccol1 = Color_fg;
1925#endif 2082#endif
2083
2084#ifndef NO_CURSORCOLOR
1926 if (ISSET_PIXCOLOR (Color_cursor2)) 2085 if (ISSET_PIXCOLOR (Color_cursor2))
1927 ccol2 = Color_cursor2; 2086 ccol2 = Color_cursor2;
1928 else 2087 else
2088#endif
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2089#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle); 2090 ccol2 = bgcolor_of (rstyle);
1931#else 2091#else
1932 ccol2 = Color_bg; 2092 ccol2 = Color_bg;
1933#endif 2093#endif
2094
2095 if (focus)
2096 {
2097 if (option (Opt_cursorUnderline))
2098 *crp ^= RS_Uline;
2099 else
2100 {
2101 *crp ^= RS_RVid;
1934 *srp = SET_FGCOLOR(*srp, ccol1); 2102 *crp = SET_FGCOLOR (*crp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2); 2103 *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 } 2104 }
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 } 2105 }
1963 } 2106 }
2107
2108 /* make sure no outline cursor is left around */
2109 setoldcursor = 0;
2110 if (ocrow != -1)
2111 {
2112 if (screen.cur.row - view_start != ocrow
2113 || screen.cur.col != oldcursor.col)
2114 {
2115 if (ocrow < nrow
2116 && oldcursor.col < ncol)
2117 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2118
2119 if (focus || !showcursor)
2120 oldcursor.row = -1;
2121 else
2122 setoldcursor = 1;
2123 }
1964 } 2124 }
2125 else if (!focus)
2126 setoldcursor = 1;
2127
2128 if (setoldcursor)
2129 {
2130 if (screen.cur.row - view_start >= nrow)
2131 oldcursor.row = -1;
2132 else
2133 {
2134 oldcursor.row = screen.cur.row - view_start;
2135 oldcursor.col = screen.cur.col;
2136 }
2137 }
2138 }
1965 2139
1966#ifndef NO_SLOW_LINK_SUPPORT 2140#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2141 /*
1968 * D: CopyArea pass - very useful for slower links 2142 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2143 * This has been deliberately kept simple.
1970 */ 2144 */
1971 i = num_scr; 2145 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2146 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2147 && abs (num_scr) < nrow && !have_bg)
1974 { 2148 {
1975 int16_t nits; 2149 int16_t nits;
1976 int j; 2150 int i = num_scr;
1977 rend_t *drp2; 2151 int j;
1978 text_t *dtp2; 2152 int len, wlen;
1979 int len, wlen; 2153 dLocal (int, num_scr);
1980 2154
1981 j = TermWin.nrow; 2155 j = nrow;
1982 wlen = len = -1; 2156 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2157 row = i > 0 ? 0 : j - 1;
2158
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2159 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2160 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2161 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2162 {
1988 stp = screen.text[row + row_offset]; 2163 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2164 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2165 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2166
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2167 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2168 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2169 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2170 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2171 nits++;
2000 2172
2001 if (nits > 8) /* XXX: arbitrary choice */ 2173 if (nits > 8) /* XXX: arbitrary choice */
2174 {
2175 for (col = ncol; col--; )
2176 {
2177 *d.t++ = *d2.t++;
2178 *d.r++ = *d2.r++;
2179 }
2180
2181 if (len == -1)
2182 len = row;
2183
2184 wlen = row;
2185 continue;
2186 }
2187 }
2188
2189 if (len >= 0)
2190 {
2191 /* also comes here at end if needed because of >= above */
2192 if (wlen < len)
2193 ::swap (wlen, len);
2194
2195 XGCValues gcv;
2196
2197 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2198 XCopyArea (dpy, vt, vt,
2199 gc, 0, Row2Pixel (len + i),
2200 (unsigned int)this->width,
2201 (unsigned int)Height2Pixel (wlen - len + 1),
2202 0, Row2Pixel (len));
2203 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2204
2205 len = -1;
2206 }
2207 }
2208 }
2209#endif
2210
2211 /*
2212 * E: main pass across every character
2213 */
2214 for (row = 0; row < nrow; row++)
2215 {
2216 text_t *stp = ROW(view_start + row).t;
2217 rend_t *srp = ROW(view_start + row).r;
2218 text_t *dtp = drawn_buf[row].t;
2219 rend_t *drp = drawn_buf[row].r;
2220
2221 /*
2222 * E2: OK, now the real pass
2223 */
2224 int ypixel = (int)Row2Pixel (row);
2225
2226 for (col = 0; col < ncol; col++)
2227 {
2228 /* compare new text with old - if exactly the same then continue */
2229 if (stp[col] == dtp[col] /* Must match characters to skip. */
2230 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2231 || (stp[col] == ' ' /* space w/ no background change */
2232 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2233 continue;
2234
2235 // redraw one or more characters
2236
2237 // seek to the beginning of wide characters
2238 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2239 --col;
2240
2241 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2242 text_t *text = stp + col;
2243 int count = 1;
2244
2245 dtp[col] = stp[col];
2246 drp[col] = rend;
2247
2248 int xpixel = Col2Pixel (col);
2249
2250 for (i = 0; ++col < ncol; )
2251 {
2252 if (stp[col] == NOCHAR)
2253 {
2254 dtp[col] = stp[col];
2255 drp[col] = srp[col];
2256
2257 count++;
2258 i++;
2259
2260 continue;
2261 }
2262
2263 if (!RS_SAME (rend, srp[col]))
2264 break;
2265
2266 count++;
2267
2268 if (stp[col] != dtp[col]
2269 || !RS_SAME (srp[col], drp[col]))
2270 {
2271 if (have_bg && (i++ > count / 2))
2272 break;
2273
2274 dtp[col] = stp[col];
2275 drp[col] = rend;
2276 i = 0;
2277 }
2278 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2279 break;
2280 }
2281
2282 col--; /* went one too far. move back */
2283 count -= i; /* dump any matching trailing chars */
2284
2285 // sometimes we optimize away the trailing NOCHAR's, add them back
2286 while (ecb_unlikely (i && text[count] == NOCHAR))
2287 count++, i--;
2288
2289 /*
2290 * Determine the attributes for the string
2291 */
2292 int fore = fgcolor_of (rend); // desired foreground
2293 int back = bgcolor_of (rend); // desired background
2294
2295 // only do special processing if any attributes are set, which is unlikely
2296 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2297 {
2298 bool invert = rend & RS_RVid;
2299
2300#ifndef NO_BOLD_UNDERLINE_REVERSE
2301 if (rend & RS_Bold && fore == Color_fg)
2302 {
2303 if (ISSET_PIXCOLOR (Color_BD))
2304 fore = Color_BD;
2305# if !ENABLE_STYLES
2306 else
2307 invert = !invert;
2308# endif
2309 }
2310
2311 if (rend & RS_Italic && fore == Color_fg)
2312 {
2313 if (ISSET_PIXCOLOR (Color_IT))
2314 fore = Color_IT;
2315# if !ENABLE_STYLES
2316 else
2317 invert = !invert;
2318# endif
2319 }
2320
2321 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2322 fore = Color_UL;
2323#endif
2324
2325#ifdef OPTION_HC
2326 if (rend & RS_Sel)
2327 {
2328 /* invert the column if no highlightColor is set or it is the
2329 * current cursor column */
2330 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2331 && ISSET_PIXCOLOR (Color_HC))
2332 {
2333 if (ISSET_PIXCOLOR (Color_HTC))
2334 fore = Color_HTC;
2335 // if invert is 0 reverse video is set so we use bg color as fg color
2336 else if (!invert)
2337 fore = back;
2338
2339 back = Color_HC;
2340 invert = 0;
2341 }
2342 }
2343#endif
2344
2345 if (invert)
2346 {
2347 ::swap (fore, back);
2348
2349#ifndef NO_BOLD_UNDERLINE_REVERSE
2350 if (fore == back)
2351 {
2352 fore = Color_bg;
2353 back = Color_fg;
2354 }
2355#endif
2356 }
2357
2358#ifdef TEXT_BLINK
2359 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2360 {
2361 if (!text_blink_ev.is_active ())
2362 {
2363 text_blink_ev.again ();
2364 hidden_text = 0;
2365 }
2366 else if (hidden_text)
2367 fore = back;
2368 }
2369#endif
2370
2371#if ENABLE_STYLES
2372 // "careful" (too wide) character handling
2373
2374 // include previous careful character(s) if possible, looks nicer (best effort...)
2375 while (text > stp
2376 && srp[text - stp - 1] & RS_Careful
2377 && RS_SAME (rend, srp[text - stp - 1]))
2378 text--, count++, xpixel -= fwidth;
2379
2380 // force redraw after "careful" characters to avoid pixel droppings
2381 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2382 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2383
2384 // force redraw before "careful" characters to avoid pixel droppings
2385 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2386 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2387#endif
2388 }
2389
2390 /*
2391 * Actually do the drawing of the string here
2392 */
2393 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2394
2395 if (ecb_likely (have_bg && back == Color_bg))
2396 {
2397 // this is very ugly, maybe push it into ->draw?
2398
2399 for (i = 0; i < count; i++) /* don't draw empty strings */
2400 if (text[i] != ' ')
2002 { 2401 {
2003 for (col = TermWin.ncol; col--; ) 2402 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2403 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 } 2404 }
2405
2406 CLEAR_CHARS (xpixel, ypixel, count);
2407 did_clear: ;
2015 } 2408 }
2409 else
2410 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2411
2017 if (len != -1) 2412 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2413 {
2019 /* also comes here at end if needed because of >= above */ 2414#if ENABLE_FRILLS
2020 if (wlen < len) 2415 if (ISSET_PIXCOLOR (Color_underline))
2021 SWAP_IT(wlen, len, int); 2416 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2417 else
2418#endif
2419 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2420
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2421 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2422 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2423 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 } 2424 }
2031 } 2425 } /* for (col....) */
2032 } 2426 } /* for (row....) */
2033#endif
2034 2427
2035 /* 2428 /*
2036 * E: main pass across every character 2429 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2430 */
2038 for (row = 0; row < TermWin.nrow; row++) 2431 if (showcursor)
2039 { 2432 {
2040 stp = screen.text[row + row_offset]; 2433 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 { 2434 {
2052 /* compare new text with old - if exactly the same then continue */ 2435 if (option (Opt_cursorUnderline))
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2436 *crp ^= RS_Uline;
2054 2437 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 { 2438 {
2078 if (stp[col] == NOCHAR) 2439 *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 2440#ifndef NO_CURSORCOLOR
2441 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2442#endif
2443 }
2444 }
2445 else if (oldcursor.row >= 0)
2446 {
2447 int cursorwidth = 1;
2448 int col = oldcursor.col;
2449
2450 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2451 col--;
2452
2453 while (col + cursorwidth < ncol
2454 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2455 cursorwidth++;
2456
2457#ifndef NO_CURSORCOLOR
2141 && !ISSET_PIXCOLOR (Color_cursor) 2458 if (ISSET_PIXCOLOR (Color_cursor))
2459 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2460 else
2461#endif
2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2463
2464 XDrawRectangle (dpy, vt, gc,
2465 Col2Pixel (col),
2466 Row2Pixel (oldcursor.row),
2467 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2468 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2469 }
2470 }
2471
2472 /*
2473 * H: cleanup selection
2474 */
2475#if ENABLE_OVERLAY
2476 scr_swap_overlay ();
2477#endif
2478 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2479
2480 scr_reverse_selection ();
2481
2482 screen.flags = old_screen_flags;
2483 num_scr = 0;
2484 num_scr_allow = 1;
2485}
2486
2487void
2488rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2489{
2490 if (!l.t)
2491 return;
2492
2493 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2494
2495 for (int i = ncol; i--; )
2496 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2497}
2498
2499void
2500rxvt_term::scr_remap_chars () NOTHROW
2501{
2502 for (int i = total_rows; i--; )
2503 scr_remap_chars (row_buf [i]);
2504
2505 for (int i = nrow; i--; )
2506 {
2507 scr_remap_chars (drawn_buf [i]);
2508 scr_remap_chars (swap_buf [i]);
2509 }
2510}
2511
2512void
2513rxvt_term::scr_recolour (bool refresh) NOTHROW
2514{
2515 bool transparent = false;
2516
2517#ifdef HAVE_BG_PIXMAP
2518 if (bg_pixmap != None)
2519 {
2520# ifdef ENABLE_TRANSPARENCY
2521 if (bg_flags & BG_IS_TRANSPARENT)
2522 {
2523 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2524 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2525
2526 transparent = true;
2527 }
2528 else
2142# endif 2529# endif
2143 )
2144 back = Color_RV;
2145#endif
2146 }
2147#ifndef NO_BOLD_UNDERLINE_REVERSE
2148 else if (rend & RS_Bold)
2149 {
2150 if (ISSET_PIXCOLOR (Color_BD))
2151 fore = Color_BD;
2152 else if (fore == Color_fg)
2153 fore = Color_White;
2154 }
2155 else if (rend & RS_Uline)
2156 {
2157 if (ISSET_PIXCOLOR (Color_UL))
2158 fore = Color_UL;
2159 }
2160#endif
2161
2162 /*
2163 * Actually do the drawing of the string here
2164 */
2165 rxvt_font *font = (*TermWin.fontset)[fid];
2166
2167 if (back == Color_bg)
2168 {
2169 if (must_clear)
2170 {
2171 for (i = 0; i < count; i++) /* don't draw empty strings */
2172 if (text[i] != ' ')
2173 {
2174 font->draw (xpixel, ypixel, text, count, fore, -1);
2175 goto nodraw;
2176 }
2177
2178 CLEAR_CHARS (xpixel, ypixel, count);
2179nodraw: ;
2180 }
2181 else
2182 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, back);
2186
2187 if ((rend & RS_Uline) && (font->descent > 1))
2188 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2189 xpixel, ypixel + font->ascent + 1,
2190 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2191 } /* for (col....) */
2192 } /* for (row....) */
2193
2194 /*
2195 * G: cleanup cursor and display outline cursor if necessary
2196 */
2197 if (showcursor) {
2198 if (TermWin.focus) {
2199 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2200 [screen.cur.col]);
2201 *srp ^= RS_RVid;
2202#ifndef NO_CURSORCOLOR
2203 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2204#endif
2205 } else if (oldcursor.row >= 0) {
2206#ifndef NO_CURSORCOLOR
2207 if (ISSET_PIXCOLOR (Color_cursor))
2208 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2209#endif
2210 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2211 Col2Pixel(oldcursor.col),
2212 Row2Pixel(oldcursor.row),
2213 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2214 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2215 } 2530 {
2216 } 2531 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2217 2532 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2218 /*
2219 * H: cleanup selection
2220 */
2221 scr_reverse_selection ();
2222
2223 /*
2224 * I: other general cleanup
2225 */
2226 if (clearfirst && TermWin.int_bwidth)
2227 /* 2533 }
2228 * clear the whole screen height, note that width == 0 is treated 2534 }
2229 * specially by XClearArea 2535 else
2230 */ 2536#endif
2231 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2537 {
2232 (unsigned int)TermWin.int_bwidth, 2538 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2233 (unsigned int)TermWin_TotalHeight(), False); 2539 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2234 if (clearlast && TermWin.int_bwidth) 2540 }
2235 /*
2236 * clear the whole screen height, note that width == 0 is treated
2237 * specially by XClearArea
2238 */
2239 XClearArea(Xdisplay, TermWin.vt,
2240 TermWin.width + TermWin.int_bwidth, 0,
2241 (unsigned int)TermWin.int_bwidth,
2242 (unsigned int)TermWin_TotalHeight(), False);
2243 if (refresh_type & SMOOTH_REFRESH)
2244 XSync(Xdisplay, False);
2245 2541
2246 num_scr = 0; 2542 XClearWindow (dpy, parent);
2247 num_scr_allow = 1;
2248 want_refresh = 0; /* screen is current */
2249}
2250 2543
2544 if (scrollBar.win)
2545 {
2546 if (transparent)
2547 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2548 else
2549 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2550 scrollBar.state = SB_STATE_IDLE;
2551 scrollBar.show (0);
2552 }
2553
2554 if (refresh)
2555 {
2556 scr_clear ();
2557 scr_touch (true);
2558 }
2559 want_refresh = 1;
2560}
2561
2251/* ------------------------------------------------------------------------- */ 2562/* ------------------------------------------------------------------------- */
2252void 2563void
2253rxvt_term::scr_clear() 2564rxvt_term::scr_clear (bool really) NOTHROW
2254{ 2565{
2255 if (!TermWin.mapped) 2566 if (!mapped)
2256 return; 2567 return;
2257 2568
2258 num_scr_allow = 0; 2569 num_scr_allow = 0;
2259 want_refresh = 1; 2570 want_refresh = 1;
2260#ifdef TRANSPARENT 2571
2261 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2572 if (really)
2573 XClearWindow (dpy, vt);
2574}
2575
2576void
2577rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2578{
2579 int view_end = view_start + nrow;
2580 int row, col;
2581
2582 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2583 {
2584 text_t *stp = ROW(row).t;
2585 rend_t *srp = ROW(row).r;
2586
2587 for (col = beg_col; col < end_col; col++)
2588 srp[col] ^= rstyle1;
2589
2590 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2591 srp[col] ^= rstyle2;
2592
2593 if (++col < end_col)
2594 srp[col] ^= rstyle2;
2262 { 2595 }
2263 int i; 2596}
2264 2597
2265 if (!(Options & Opt_transparent_all)) 2598void
2599rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2600{
2601 int view_end = view_start + nrow;
2602 int row, col;
2603
2604 if (beg_row >= view_start)
2605 {
2606 col = beg_col;
2607 row = beg_row;
2608 }
2609 else
2610 {
2266 i = 0; 2611 col = 0;
2612 row = view_start;
2613 }
2614
2615 for (; row < min (end_row, view_end); row++, col = 0)
2616 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2617 srp[col] ^= rstyle;
2618
2619 if (row == end_row)
2620 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2621 srp[col] ^= rstyle;
2622}
2623
2624/* ------------------------------------------------------------------------- */
2625void
2626rxvt_term::scr_reverse_selection () NOTHROW
2627{
2628 if (selection.op
2629 && current_screen == selection.screen
2630 && selection.end.row >= view_start)
2631 {
2632#if !ENABLE_MINIMAL
2633 if (selection.rect)
2634 scr_xor_rect (selection.beg.row, selection.beg.col,
2635 selection.end.row, selection.end.col,
2636 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2267 else 2637 else
2268 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2269
2270 while (i--)
2271 if (TermWin.parent[i] != None)
2272 XClearWindow(Xdisplay, TermWin.parent[i]);
2273 }
2274#endif 2638#endif
2275 2639 scr_xor_span (selection.beg.row, selection.beg.col,
2276 XClearWindow (Xdisplay, TermWin.vt); 2640 selection.end.row, selection.end.col,
2277} 2641 RS_Sel | RS_RVid);
2278
2279/* ------------------------------------------------------------------------- */
2280void
2281rxvt_term::scr_reverse_selection ()
2282{
2283 int i, col, row, end_row;
2284 rend_t *srp;
2285
2286 if (selection.op && current_screen == selection.screen) {
2287 end_row = TermWin.saveLines - TermWin.view_start;
2288 i = selection.beg.row + TermWin.saveLines;
2289 row = selection.end.row + TermWin.saveLines;
2290 if (i >= end_row)
2291 col = selection.beg.col;
2292 else {
2293 col = 0;
2294 i = end_row;
2295 }
2296 end_row += TermWin.nrow;
2297 for (; i < row && i < end_row; i++, col = 0)
2298 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2299 srp[col] ^= RS_RVid;
2300 if (i == row && i < end_row)
2301 for (srp = screen.rend[i]; col < selection.end.col; col++)
2302 srp[col] ^= RS_RVid;
2303 } 2642 }
2304} 2643}
2305 2644
2306/* ------------------------------------------------------------------------- */ 2645/* ------------------------------------------------------------------------- */
2307/* 2646/*
2308 * Dump the whole scrollback and screen to the passed filedescriptor. The 2647 * Dump the whole scrollback and screen to the passed filedescriptor. The
2309 * invoking routine must close the fd. 2648 * invoking routine must close the fd.
2310 */ 2649 */
2311#if 0 2650#if 0
2312void 2651void
2313rxvt_term::scr_dump (int fd) 2652rxvt_term::scr_dump (int fd) NOTHROW
2314{ 2653{
2315 int row, wrote; 2654 int row, wrote;
2316 unsigned int width, towrite; 2655 unsigned int width, towrite;
2317 char r1[] = "\n"; 2656 const char r1[] = "\n";
2318 2657
2319 for (row = TermWin.saveLines - TermWin.nscrolled; 2658 for (row = saveLines + top_row;
2320 row < TermWin.saveLines + TermWin.nrow - 1; row++) { 2659 row < saveLines + nrow - 1; row++)
2321 width = screen.tlen[row] >= 0 ? screen.tlen[row] 2660 {
2322 : TermWin.ncol; 2661 width = row_buf[row].l >= 0 ? row_buf[row].l
2662 : ncol;
2323 for (towrite = width; towrite; towrite -= wrote) { 2663 for (towrite = width; towrite; towrite -= wrote)
2664 {
2324 wrote = write(fd, &(screen.text[row][width - towrite]), 2665 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2325 towrite); 2666 towrite);
2326 if (wrote < 0) 2667 if (wrote < 0)
2327 return; /* XXX: death, no report */ 2668 return; /* XXX: death, no report */
2328 } 2669 }
2329 if (screen.tlen[row] >= 0) 2670 if (row_buf[row].l >= 0)
2330 if (write(fd, r1, 1) <= 0) 2671 if (write (fd, r1, 1) <= 0)
2331 return; /* XXX: death, no report */ 2672 return; /* XXX: death, no report */
2332 } 2673 }
2333} 2674}
2334#endif 2675#endif
2335 2676
2336/* ------------------------------------------------------------------------- * 2677/* ------------------------------------------------------------------------- *
2337 * CHARACTER SELECTION * 2678 * CHARACTER SELECTION *
2338 * ------------------------------------------------------------------------- */ 2679 * ------------------------------------------------------------------------- */
2339
2340/*
2341 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2342 */
2343void 2680void
2344rxvt_term::selection_check (int check_more) 2681rxvt_term::selection_check (int check_more) NOTHROW
2345{ 2682{
2346 row_col_t pos;
2347
2348 if (!selection.op) 2683 if (!selection.op)
2349 return; 2684 return;
2350 2685
2686 row_col_t pos;
2351 pos.row = pos.col = 0; 2687 pos.row = pos.col = 0;
2352 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2688
2353 || (selection.beg.row >= TermWin.nrow) 2689 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2354 || (selection.mark.row < -(int32_t)TermWin.nscrolled) 2690 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2355 || (selection.mark.row >= TermWin.nrow) 2691 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2356 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2357 || (selection.end.row >= TermWin.nrow)
2358 || (check_more == 1 2692 || (check_more == 1
2359 && current_screen == selection.screen 2693 && current_screen == selection.screen
2360 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2694 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2361 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2695 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2362 || (check_more == 2 2696 || (check_more == 2
2363 && ROWCOL_IS_BEFORE(selection.beg, pos) 2697 && ROWCOL_IS_BEFORE (selection.beg, pos)
2364 && ROWCOL_IS_AFTER(selection.end, pos)) 2698 && ROWCOL_IS_AFTER (selection.end, pos))
2365 || (check_more == 3 2699 || (check_more == 3
2366 && ROWCOL_IS_AFTER(selection.end, pos)) 2700 && ROWCOL_IS_AFTER (selection.end, pos))
2367 || (check_more == 4 /* screen width change */ 2701 || (check_more == 4 /* screen width change */
2368 && (selection.beg.row != selection.end.row 2702 && (selection.beg.row != selection.end.row
2369 || selection.end.col > TermWin.ncol))) 2703 || selection.end.col > ncol)))
2370 CLEAR_SELECTION(); 2704 CLEAR_ALL_SELECTION ();
2371} 2705}
2372 2706
2373/* ------------------------------------------------------------------------- */ 2707/* ------------------------------------------------------------------------- */
2374/* 2708/*
2375 * Paste a selection direct to the command fd 2709 * Paste a selection direct to the command fd
2376 */ 2710 */
2377void 2711void
2378rxvt_term::paste (const unsigned char *data, unsigned int len) 2712rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2379{ 2713{
2380 unsigned int i, j, n;
2381 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2382
2383#if 0
2384 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2385 ZERO_SCROLLBACK (r);
2386#endif
2387
2388 /* convert normal newline chars into common keyboard Return key sequence */ 2714 /* convert normal newline chars into common keyboard Return key sequence */
2389 for (i = 0; i < len; i += PROP_SIZE) 2715 for (unsigned int i = 0; i < len; i++)
2390 { 2716 if (data[i] == C0_LF)
2391 n = min (len - i, PROP_SIZE); 2717 data[i] = C0_CR;
2392 MEMCPY (ds, data + i, n);
2393 2718
2394 for (j = 0; j < n; j++) 2719 if (priv_modes & PrivMode_BracketPaste)
2395 if (ds[j] == '\n') 2720 tt_printf ("\e[200~");
2396 ds[j] = '\r';
2397 2721
2398 tt_write (ds, (int)n); 2722 tt_write (data, len);
2399 }
2400 2723
2401 free(ds); 2724 if (priv_modes & PrivMode_BracketPaste)
2725 tt_printf ("\e[201~");
2402} 2726}
2403 2727
2404/* ------------------------------------------------------------------------- */ 2728void
2405/* 2729rxvt_term::paste (char *data, unsigned int len) NOTHROW
2406 * Respond to a notification that a primary selection has been sent
2407 * EXT: SelectionNotify
2408 */
2409int
2410rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2411{ 2730{
2412 long nread = 0; 2731 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2413 unsigned long bytes_after;
2414 XTextProperty ct;
2415
2416 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2417
2418 if (prop == None) /* check for failed XConvertSelection */
2419 {
2420 if ((selection_type & Sel_CompoundText))
2421 {
2422 int selnum = selection_type & Sel_whereMask;
2423
2424 selection_type = 0;
2425 if (selnum != Sel_direct)
2426 selection_request_other (XA_STRING, selnum);
2427 }
2428
2429 if ((selection_type & Sel_UTF8String))
2430 {
2431 int selnum = selection_type & Sel_whereMask;
2432
2433 selection_type = Sel_CompoundText;
2434 if (selnum != Sel_direct)
2435 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2436 else
2437 selection_type = 0;
2438 }
2439
2440 return 0; 2732 return;
2441 }
2442 2733
2443 for (;;) 2734 tt_paste (data, len);
2444 {
2445 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2446 (long)(PROP_SIZE / 4), delete_prop,
2447 AnyPropertyType, &ct.encoding, &ct.format,
2448 &ct.nitems, &bytes_after,
2449 &ct.value) != Success)
2450 break;
2451
2452 if (ct.encoding == 0)
2453 {
2454 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2455 break;
2456 }
2457
2458 if (ct.value == NULL)
2459 {
2460 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2461 continue;
2462 }
2463
2464 if (ct.nitems == 0)
2465 {
2466 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2467 if (selection_wait == Sel_normal && nread == 0)
2468 {
2469 /*
2470 * pass through again trying CUT_BUFFER0 if we've come from
2471 * XConvertSelection() but nothing was presented
2472 */
2473 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2474 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2475 }
2476
2477 nread = -1; /* discount any previous stuff */
2478 break;
2479 }
2480
2481 nread += ct.nitems;
2482
2483 char **cl;
2484 int cr;
2485 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2486 &cr) >= 0 && cl)
2487 {
2488 for (int i = 0; i < cr; i++)
2489 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2490
2491 XFreeStringList (cl);
2492 }
2493 else
2494 paste (ct.value, ct.nitems);
2495
2496 if (bytes_after == 0)
2497 break;
2498
2499 XFree (ct.value);
2500 }
2501
2502 if (ct.value)
2503 XFree (ct.value);
2504
2505 if (selection_wait == Sel_normal)
2506 selection_wait = Sel_none;
2507
2508 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2509 return (int)nread;
2510} 2735}
2511 2736
2512void
2513rxvt_term::incr_cb (time_watcher &w)
2514{
2515 selection_wait = Sel_none;
2516
2517 rxvt_print_error ("data loss: timeout on INCR selection paste");
2518}
2519
2520/*
2521 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2522 */
2523void
2524rxvt_term::selection_property (Window win, Atom prop)
2525{
2526 int reget_time = 0;
2527
2528 if (prop == None)
2529 return;
2530 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2531 if (selection_wait == Sel_normal) {
2532 int a, afmt;
2533 Atom atype;
2534 unsigned long bytes_after, nitems;
2535 unsigned char *s = NULL;
2536
2537 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2538 xa[XA_INCR], &atype, &afmt, &nitems,
2539 &bytes_after, &s);
2540 if (s)
2541 XFree(s);
2542 if (a != Success)
2543 return;
2544#ifndef __CYGWIN32__
2545 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2546 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2547 XDeleteProperty(Xdisplay, win, prop);
2548 XFlush(Xdisplay);
2549 reget_time = 1;
2550 selection_wait = Sel_incr;
2551 }
2552#endif
2553 } else if (selection_wait == Sel_incr) {
2554 reget_time = 1;
2555 if (selection_paste (win, prop, True) == -1) {
2556 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2557 selection_wait = Sel_none;
2558 incr_ev.stop ();
2559 }
2560 }
2561 if (reget_time) /* received more data so reget time */
2562 incr_ev.start (NOW + 10);
2563}
2564/* ------------------------------------------------------------------------- */ 2737/* ------------------------------------------------------------------------- */
2565/* 2738/*
2566 * Request the current selection: 2739 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2567 * Order: > internal selection if available 2740 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2568 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2741 * as fallback
2569 * > CUT_BUFFER0
2570 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2571 * will auto fallback to CUT_BUFFER0
2572 * EXT: button 2 release 2742 * EXT: button 2 release
2573 */ 2743 */
2574void 2744void
2575rxvt_term::selection_request (Time tm, int x, int y) 2745rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2576{ 2746{
2577 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2747 if (!selection_req)
2578 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2579 return; /* outside window */
2580
2581 if (selection.text != NULL) { /* internal selection */
2582 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2583 paste (selection.text, selection.len);
2584 return;
2585 } else {
2586 int i;
2587
2588 selection_request_time = tm;
2589 selection_wait = Sel_normal;
2590 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2591#if X_HAVE_UTF8_STRING
2592 selection_type = Sel_UTF8String;
2593 if (selection_request_other (xa[XA_UTF8_STRING], i))
2594 return;
2595#else
2596 selection_type = Sel_CompoundText;
2597 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2598 return;
2599#endif
2600 }
2601 } 2748 {
2602 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2749 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2603 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2750 selection_req->run ();
2604 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2605}
2606
2607int
2608rxvt_term::selection_request_other (Atom target, int selnum)
2609{
2610 Atom sel;
2611#ifdef DEBUG_SELECT
2612 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2613#endif
2614
2615 selection_type |= selnum;
2616 if (selnum == Sel_Primary)
2617 sel = XA_PRIMARY;
2618 else if (selnum == Sel_Secondary)
2619 sel = XA_SECONDARY;
2620 else
2621 sel = xa[XA_CLIPBOARD];
2622 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2623 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2624 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2625 TermWin.vt, selection_request_time);
2626 return 1;
2627 } 2751 }
2628 return 0;
2629} 2752}
2630 2753
2631/* ------------------------------------------------------------------------- */ 2754/* ------------------------------------------------------------------------- */
2632/* 2755/*
2633 * Clear all selected text 2756 * Clear all selected text
2634 * EXT: SelectionClear 2757 * EXT: SelectionClear
2635 */ 2758 */
2636void 2759void
2637rxvt_term::selection_clear () 2760rxvt_term::selection_clear (bool clipboard) NOTHROW
2638{ 2761{
2639 D_SELECT((stderr, "rxvt_selection_clear()")); 2762 if (!clipboard)
2640 2763 {
2641 want_refresh = 1; 2764 want_refresh = 1;
2642 if (selection.text)
2643 free(selection.text); 2765 free (selection.text);
2644 selection.text = NULL; 2766 selection.text = NULL;
2645 selection.len = 0; 2767 selection.len = 0;
2646 CLEAR_SELECTION(); 2768 CLEAR_SELECTION ();
2769
2770 if (display->selection_owner == this)
2771 display->selection_owner = 0;
2772 }
2773 else
2774 {
2775 free (selection.clip_text);
2776 selection.clip_text = NULL;
2777 selection.clip_len = 0;
2778
2779 if (display->clipboard_owner == this)
2780 display->clipboard_owner = 0;
2781 }
2647} 2782}
2648 2783
2649/* ------------------------------------------------------------------------- */ 2784/* ------------------------------------------------------------------------- */
2650/* 2785/*
2651 * Copy a selection into the cut buffer 2786 * Copy a selection into the cut buffer
2652 * EXT: button 1 or 3 release 2787 * EXT: button 1 or 3 release
2653 */ 2788 */
2654void 2789void
2655rxvt_term::selection_make (Time tm) 2790rxvt_term::selection_make (Time tm)
2656{ 2791{
2657 int i, col, end_col, row, end_row; 2792 int size;
2658 unsigned char *new_selection_text; 2793 wchar_t *new_selection_text;
2659 char *str; 2794 text_t *t;
2660 text_t *t;
2661#ifdef ACS_ASCII
2662 rend_t *re;
2663#endif
2664 2795
2665 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2666 switch (selection.op) { 2796 switch (selection.op)
2797 {
2667 case SELECTION_CONT: 2798 case SELECTION_CONT:
2668 break; 2799 break;
2669 case SELECTION_INIT: 2800 case SELECTION_INIT:
2670 CLEAR_SELECTION(); 2801 CLEAR_SELECTION ();
2671 /* FALLTHROUGH */ 2802 /* FALLTHROUGH */
2672 case SELECTION_BEGIN: 2803 case SELECTION_BEGIN:
2673 selection.op = SELECTION_DONE; 2804 selection.op = SELECTION_DONE;
2674 /* FALLTHROUGH */ 2805 /* FALLTHROUGH */
2675 default: 2806 default:
2676 return; 2807 return;
2677 } 2808 }
2809
2678 selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2679 2811
2680 if (selection.clicks == 4) 2812 if (selection.clicks == 4)
2681 return; /* nothing selected, go away */ 2813 return; /* nothing selected, go away */
2682 2814
2815 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2816 return;
2817
2683 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2818 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2684 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2819 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2685 2820
2686 new_selection_text = (unsigned char *)str; 2821 int ofs = 0;
2822 int extra = 0;
2687 2823
2688 col = selection.beg.col; 2824 int col = selection.beg.col;
2689 MAX_IT(col, 0); 2825 int row = selection.beg.row;
2690 row = selection.beg.row + TermWin.saveLines;
2691 end_row = selection.end.row + TermWin.saveLines;
2692 2826
2827 int end_col;
2828
2693 for (; row <= end_row; row++, col = 0) 2829 for (; row <= selection.end.row; row++, col = 0)
2830 {
2831#if !ENABLE_MINIMAL
2832 if (selection.rect)
2694 { 2833 {
2695 t = &(screen.text[row][col]); 2834 col = selection.beg.col;
2696
2697 end_col = screen.tlen[row];
2698
2699 if (end_col == -1)
2700 end_col = TermWin.ncol; 2835 end_col = selection.end.col;
2836 }
2837 else
2838#endif
2839 end_col = ROW(row).l;
2701 2840
2841 col = max (col, 0);
2842
2702 if (row == end_row) 2843 if (row == selection.end.row)
2703 MIN_IT (end_col, selection.end.col); 2844 min_it (end_col, selection.end.col);
2704 2845
2846 t = ROW(row).t + col;
2847
2705 for (; col < end_col; col++) 2848 for (; col < end_col; col++)
2849 {
2706 if (*t == NOCHAR) 2850 if (*t == NOCHAR)
2707 t++; 2851 t++;
2852#if ENABLE_COMBINING
2853 else if (IS_COMPOSE (*t))
2854 {
2855 int len = rxvt_composite.expand (*t, 0);
2856
2857 extra -= (len - 1);
2858
2859 if (extra < 0)
2860 {
2861 extra += size;
2862 size += size;
2863 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2864 }
2865
2866 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2867 }
2868#endif
2708 else 2869 else
2709 { 2870 new_selection_text[ofs++] = *t++;
2710 int len = wctomb (str, *t++);
2711 if (len > 0)
2712 str += len;
2713 }
2714
2715 if (screen.tlen[row] != -1 && row != end_row)
2716 *str++ = '\n';
2717 }
2718
2719#ifndef NO_OLD_SELECTION
2720 if (selection_style == OLD_SELECT)
2721 if (end_col == TermWin.ncol)
2722 *str++ = '\n';
2723#endif
2724#ifndef NO_NEW_SELECTION
2725 if (selection_style != OLD_SELECT)
2726 if (end_col != selection.end.col)
2727 *str++ = '\n';
2728#endif
2729 *str = '\0';
2730
2731 i = str - (char *)new_selection_text;
2732 if (i == 0)
2733 {
2734 free (new_selection_text);
2735 return;
2736 }
2737
2738 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2739 if (str - (char *)new_selection_text > 1024)
2740 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2741
2742 selection.len = i;
2743
2744 if (selection.text)
2745 free (selection.text);
2746
2747 selection.text = new_selection_text;
2748
2749 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2750 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2751 rxvt_print_error("can't get primary selection");
2752
2753
2754 {
2755 XTextProperty ct;
2756 char *cl = (char *)selection.text;
2757
2758 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2759 { 2871 }
2760 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2872
2761 PropModeReplace, ct.value, ct.nitems); 2873#if !ENABLE_MINIMAL
2762 XFree (ct.value); 2874 if (selection.rect)
2875 {
2876 while (ofs
2877 && new_selection_text[ofs - 1] != C0_LF
2878 && unicode::is_space (new_selection_text[ofs - 1]))
2879 --ofs;
2880
2881 new_selection_text[ofs++] = C0_LF;
2763 } 2882 }
2764 else 2883 else
2765 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2884#endif
2766 PropModeReplace, selection.text, (int)selection.len); 2885 if (!ROW(row).is_longer ()
2886 && (row != selection.end.row || end_col != selection.end.col)
2887 && (row != selection.beg.row || selection.beg.col < ncol))
2888 new_selection_text[ofs++] = C0_LF;
2889 }
2890
2891 new_selection_text[ofs] = 0;
2892
2893 if (ofs == 0)
2767 } 2894 {
2895 free (new_selection_text);
2896 return;
2897 }
2768 2898
2899 free (selection.text);
2900
2901 // we usually allocate much more than necessary, so realloc it smaller again
2902 selection.len = ofs;
2903 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2904
2905 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2906 return;
2907
2908 selection_grab (tm);
2909}
2910
2911bool
2912rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2913{
2914 Atom sel;
2915
2916 if (!clipboard)
2917 {
2769 selection_time = tm; 2918 selection_time = tm;
2770 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2919 sel = XA_PRIMARY;
2920 }
2921 else
2922 {
2923 clipboard_time = tm;
2924 sel = xa[XA_CLIPBOARD];
2925 }
2926
2927 XSetSelectionOwner (dpy, sel, vt, tm);
2928 if (XGetSelectionOwner (dpy, sel) == vt)
2929 {
2930 display->set_selection_owner (this, clipboard);
2931 return true;
2932 }
2933 else
2934 {
2935 selection_clear (clipboard);
2936 return false;
2937 }
2938
2939#if 0
2940 XTextProperty ct;
2941
2942 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2943 {
2944 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2945 XFree (ct.value);
2946 }
2947#endif
2771} 2948}
2772 2949
2773/* ------------------------------------------------------------------------- */ 2950/* ------------------------------------------------------------------------- */
2774/* 2951/*
2775 * Mark or select text based upon number of clicks: 1, 2, or 3 2952 * Mark or select text based upon number of clicks: 1, 2, or 3
2776 * EXT: button 1 press 2953 * EXT: button 1 press
2777 */ 2954 */
2778void 2955void
2779rxvt_term::selection_click (int clicks, int x, int y) 2956rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2780{ 2957{
2781 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2782
2783 clicks = ((clicks - 1) % 3) + 1; 2958 clicks = ((clicks - 1) % 3) + 1;
2784 selection.clicks = clicks; /* save clicks so extend will work */ 2959 selection.clicks = clicks; /* save clicks so extend will work */
2785 2960
2961 if (clicks == 2 && !selection.rect
2962 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2963 {
2964 MEvent.clicks = 1; // what a mess
2965 selection.screen = current_screen;
2966 selection.op = SELECTION_CONT;
2967 return;
2968 }
2969
2786 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2970 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2787 2971
2788 if (clicks == 2 || clicks == 3) 2972 if (clicks == 2 || clicks == 3)
2789 selection_extend_colrow (selection.mark.col, 2973 selection_extend_colrow (selection.mark.col,
2790 selection.mark.row + TermWin.view_start, 2974 selection.mark.row - view_start,
2791 0, /* button 3 */ 2975 0, /* button 3 */
2792 1, /* button press */ 2976 1, /* button press */
2793 0); /* click change */ 2977 0); /* click change */
2794} 2978}
2795 2979
2796/* ------------------------------------------------------------------------- */ 2980/* ------------------------------------------------------------------------- */
2797/* 2981/*
2798 * Mark a selection at the specified col/row 2982 * Mark a selection at the specified col/row
2799 */ 2983 */
2800void 2984void
2801rxvt_term::selection_start_colrow (int col, int row) 2985rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2802{ 2986{
2803 want_refresh = 1; 2987 want_refresh = 1;
2988
2989 selection.mark.row = row + view_start;
2804 selection.mark.col = col; 2990 selection.mark.col = col;
2805 selection.mark.row = row - TermWin.view_start; 2991
2806 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2992 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2807 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2993 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2994
2995 while (selection.mark.col > 0
2996 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2808 MAX_IT(selection.mark.col, 0); 2997 --selection.mark.col;
2809 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2810 2998
2811 if (selection.op) { /* clear the old selection */ 2999 if (selection.op)
3000 {
3001 /* clear the old selection */
2812 selection.beg.row = selection.end.row = selection.mark.row; 3002 selection.beg.row = selection.end.row = selection.mark.row;
2813 selection.beg.col = selection.end.col = selection.mark.col; 3003 selection.beg.col = selection.end.col = selection.mark.col;
2814 } 3004 }
3005
2815 selection.op = SELECTION_INIT; 3006 selection.op = SELECTION_INIT;
2816 selection.screen = current_screen; 3007 selection.screen = current_screen;
2817} 3008}
2818 3009
2819/* ------------------------------------------------------------------------- */ 3010/* ------------------------------------------------------------------------- */
2820/* 3011/*
2821 * Word select: select text for 2 clicks 3012 * Word select: select text for 2 clicks
2822 * We now only find out the boundary in one direction 3013 * We now only find out the boundary in one direction
2823 */ 3014 */
2824 3015
2825/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3016/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2826#define DELIMIT_TEXT(x) \ 3017#define DELIMIT_TEXT(x) \
2827 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3018 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2828#define DELIMIT_REND(x) 1 3019#define DELIMIT_REND(x) 1
2829 3020
2830void 3021void
2831rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3022rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2832{ 3023{
2833 int col, row, dirnadd, tcol, trow, w1, w2; 3024 int col, row, dirnadd, tcol, trow, w1, w2;
2834 row_col_t bound; 3025 row_col_t bound;
2835 text_t *stp; 3026 text_t *stp;
2836 rend_t *srp; 3027 rend_t *srp;
2837 3028
2838 if (dirn == UP) { 3029 if (dirn == UP)
2839 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3030 {
3031 bound.row = top_row - 1;
2840 bound.col = 0; 3032 bound.col = 0;
2841 dirnadd = -1; 3033 dirnadd = -1;
2842 } else { 3034 }
2843 bound.row = TermWin.saveLines + TermWin.nrow; 3035 else
3036 {
3037 bound.row = nrow;
2844 bound.col = TermWin.ncol - 1; 3038 bound.col = ncol - 1;
2845 dirnadd = 1; 3039 dirnadd = 1;
2846 } 3040 }
2847 row = mark->row + TermWin.saveLines; 3041
3042 row = mark->row;
2848 col = mark->col; 3043 col = max (mark->col, 0);
2849 MAX_IT(col, 0); 3044
2850/* find the edge of a word */ 3045 /* find the edge of a word */
2851 stp = &(screen.text[row][col]); 3046 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2852 w1 = DELIMIT_TEXT(*stp); 3047 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2853 3048
2854 if (selection_style != NEW_SELECT) { 3049 for (;;)
2855 if (w1 == 1) { 3050 {
3051 for (; col != bound.col; col += dirnadd)
3052 {
2856 stp += dirnadd; 3053 stp += dirnadd;
2857 if (DELIMIT_TEXT(*stp) == 1)
2858 goto Old_Word_Selection_You_Die;
2859 col += dirnadd;
2860 }
2861 w1 = 0;
2862 }
2863 srp = (&screen.rend[row][col]);
2864 w2 = DELIMIT_REND(*srp);
2865
2866 for (;;) {
2867 for (; col != bound.col; col += dirnadd) {
2868 stp += dirnadd; 3054 srp += dirnadd;
3055
3056 if (*stp == NOCHAR)
3057 continue;
3058
2869 if (DELIMIT_TEXT(*stp) != w1) 3059 if (DELIMIT_TEXT (*stp) != w1)
3060 break;
3061 if (DELIMIT_REND (*srp) != w2)
3062 break;
3063 }
3064
3065 if ((col == bound.col) && (row != bound.row))
3066 {
3067 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3068 {
3069 trow = row + dirnadd;
3070 tcol = dirn == UP ? ncol - 1 : 0;
3071
3072 if (!ROW(trow).t)
2870 break; 3073 break;
2871 srp += dirnadd; 3074
2872 if (DELIMIT_REND(*srp) != w2) 3075 stp = ROW(trow).t + tcol;
3076 srp = ROW(trow).r + tcol;
3077
3078 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2873 break; 3079 break;
2874 } 3080
2875 if ((col == bound.col) && (row != bound.row)) {
2876 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2877 trow = row + dirnadd;
2878 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2879 if (screen.text[trow] == NULL)
2880 break;
2881 stp = &(screen.text[trow][tcol]);
2882 srp = &(screen.rend[trow][tcol]);
2883 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2884 break;
2885 row = trow; 3081 row = trow;
2886 col = tcol; 3082 col = tcol;
2887 continue; 3083 continue;
2888 } 3084 }
2889 } 3085 }
2890 break; 3086 break;
2891 } 3087 }
2892 Old_Word_Selection_You_Die:
2893 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2894 3088
2895 if (dirn == DN) 3089 if (dirn == DN)
2896 col++; /* put us on one past the end */ 3090 col++; /* put us on one past the end */
2897 3091
2898/* Poke the values back in */ 3092 /* Poke the values back in */
2899 ret->row = row - TermWin.saveLines; 3093 ret->row = row;
2900 ret->col = col; 3094 ret->col = col;
2901} 3095}
2902 3096
2903/* ------------------------------------------------------------------------- */ 3097/* ------------------------------------------------------------------------- */
2904/* 3098/*
2905 * Extend the selection to the specified x/y pixel location 3099 * Extend the selection to the specified x/y pixel location
2907 * flag == 0 ==> button 1 3101 * flag == 0 ==> button 1
2908 * flag == 1 ==> button 3 press 3102 * flag == 1 ==> button 3 press
2909 * flag == 2 ==> button 3 motion 3103 * flag == 2 ==> button 3 motion
2910 */ 3104 */
2911void 3105void
2912rxvt_term::selection_extend (int x, int y, int flag) 3106rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2913{ 3107{
2914 int col, row; 3108 int col = clamp (Pixel2Col (x), 0, ncol);
3109 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2915 3110
2916 col = Pixel2Col(x);
2917 row = Pixel2Row(y);
2918 MAX_IT(row, 0);
2919 MIN_IT(row, (int)TermWin.nrow - 1);
2920 MAX_IT(col, 0);
2921 MIN_IT(col, (int)TermWin.ncol);
2922
2923#ifndef NO_NEW_SELECTION
2924 /* 3111 /*
2925 * If we're selecting characters (single click) then we must check first 3112 * If we're selecting characters (single click) then we must check first
2926 * if we are at the same place as the original mark. If we are then 3113 * if we are at the same place as the original mark. If we are then
2927 * select nothing. Otherwise, if we're to the right of the mark, you have to 3114 * select nothing. Otherwise, if we're to the right of the mark, you have to
2928 * be _past_ a character for it to be selected. 3115 * be _past_ a character for it to be selected.
2929 */ 3116 */
2930 if (selection_style != OLD_SELECT)
2931 {
2932 if (((selection.clicks % 3) == 1) && !flag 3117 if (((selection.clicks % 3) == 1) && !flag
2933 && (col == selection.mark.col 3118 && (col == selection.mark.col
2934 && (row == selection.mark.row + TermWin.view_start))) 3119 && (row == selection.mark.row - view_start)))
2935 { 3120 {
2936 /* select nothing */ 3121 /* select nothing */
2937 selection.beg.row = selection.end.row = 0; 3122 selection.beg.row = selection.end.row = 0;
2938 selection.beg.col = selection.end.col = 0; 3123 selection.beg.col = selection.end.col = 0;
2939 selection.clicks = 4; 3124 selection.clicks = 4;
2940 want_refresh = 1; 3125 want_refresh = 1;
2941 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2942 return; 3126 return;
2943 }
2944 } 3127 }
2945#endif 3128
2946 if (selection.clicks == 4) 3129 if (selection.clicks == 4)
2947 selection.clicks = 1; 3130 selection.clicks = 1;
2948 3131
2949 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3132 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2950 flag == 1 ? 1 : 0, /* ? button press */ 3133 flag == 1 ? 1 : 0, /* ? button press */
2951 0); /* no click change */ 3134 0); /* no click change */
2952} 3135}
2953 3136
2954/* ------------------------------------------------------------------------- */ 3137/* ------------------------------------------------------------------------- */
2955/* 3138/*
2956 * Extend the selection to the specified col/row 3139 * Extend the selection to the specified col/row
2957 */ 3140 */
2958void 3141void
2959rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3142rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2960{ 3143{
2961 int16_t ncol = TermWin.ncol;
2962 int end_col;
2963 row_col_t pos; 3144 row_col_t pos;
2964 enum { 3145 enum {
2965 LEFT, RIGHT 3146 LEFT, RIGHT
2966 } closeto = RIGHT; 3147 } closeto = RIGHT;
2967 3148
2968 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
2969 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2970
2971 want_refresh = 1; 3149 want_refresh = 1;
3150
2972 switch (selection.op) { 3151 switch (selection.op)
3152 {
2973 case SELECTION_INIT: 3153 case SELECTION_INIT:
2974 CLEAR_SELECTION(); 3154 CLEAR_SELECTION ();
2975 selection.op = SELECTION_BEGIN; 3155 selection.op = SELECTION_BEGIN;
2976 /* FALLTHROUGH */ 3156 /* FALLTHROUGH */
2977 case SELECTION_BEGIN: 3157 case SELECTION_BEGIN:
2978 if (row != selection.mark.row || col != selection.mark.col 3158 if (row != selection.mark.row || col != selection.mark.col
2979 || (!button3 && buttonpress)) 3159 || (!button3 && buttonpress))
2980 selection.op = SELECTION_CONT; 3160 selection.op = SELECTION_CONT;
2981 break; 3161 break;
2982 case SELECTION_DONE: 3162 case SELECTION_DONE:
2983 selection.op = SELECTION_CONT; 3163 selection.op = SELECTION_CONT;
2984 /* FALLTHROUGH */ 3164 /* FALLTHROUGH */
2985 case SELECTION_CONT: 3165 case SELECTION_CONT:
2986 break; 3166 break;
2987 case SELECTION_CLEAR: 3167 case SELECTION_CLEAR:
2988 selection_start_colrow (col, row); 3168 selection_start_colrow (col, row);
2989 /* FALLTHROUGH */ 3169 /* FALLTHROUGH */
2990 default: 3170 default:
2991 return; 3171 return;
2992 } 3172 }
3173
2993 if (selection.beg.col == selection.end.col 3174 if (selection.beg.col == selection.end.col
2994 && selection.beg.col != selection.mark.col 3175 && selection.beg.col != selection.mark.col
2995 && selection.beg.row == selection.end.row 3176 && selection.beg.row == selection.end.row
2996 && selection.beg.row != selection.mark.row) { 3177 && selection.beg.row != selection.mark.row)
3178 {
2997 selection.beg.col = selection.end.col = selection.mark.col; 3179 selection.beg.col = selection.end.col = selection.mark.col;
2998 selection.beg.row = selection.end.row = selection.mark.row; 3180 selection.beg.row = selection.end.row = selection.mark.row;
2999 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3000 } 3181 }
3001 3182
3002 pos.col = col; 3183 pos.col = col;
3003 pos.row = row; 3184 pos.row = view_start + row;
3004 3185
3005 pos.row -= TermWin.view_start; /* adjust for scroll */ 3186 /*
3006 3187 * This is mainly xterm style selection with a couple of differences, mainly
3007#ifndef NO_OLD_SELECTION 3188 * in the way button3 drag extension works.
3008/* 3189 * We're either doing: button1 drag; button3 press; or button3 drag
3009 * This mimics some of the selection behaviour of version 2.20 and before. 3190 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3010 * There are no ``selection modes'', button3 is always character extension. 3191 * is always at the left/right edge of the selection.
3011 * Note: button3 drag is always available, c.f. v2.20 3192 * b) button3 press: extend/contract character/word/line at whichever edge of
3012 * Selection always terminates (left or right as appropriate) at the mark. 3193 * the selection we are closest to.
3194 * c) button3 drag : extend/contract character/word/line - we select around
3195 * a point/word/line which is either the start or end of the selection
3196 * and it was decided by whichever point/word/line was `fixed' at the
3197 * time of the most recent button3 press
3013 */ 3198 */
3014 if (selection_style == OLD_SELECT) { 3199 if (button3 && buttonpress)
3015 if (selection.clicks == 1 || button3) { 3200 {
3016 if (hate_those_clicks) { 3201 /* button3 press */
3017 hate_those_clicks = 0; 3202 /*
3018 if (selection.clicks == 1) { 3203 * first determine which edge of the selection we are closest to
3019 selection.beg.row = selection.mark.row; 3204 */
3020 selection.beg.col = selection.mark.col; 3205 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3021 } else { 3206 || (!ROWCOL_IS_AFTER (pos, selection.end)
3207 && (((pos.col - selection.beg.col)
3208 + ((pos.row - selection.beg.row) * ncol))
3209 < ((selection.end.col - pos.col)
3210 + ((selection.end.row - pos.row) * ncol)))))
3211 closeto = LEFT;
3212
3213 if (closeto == LEFT)
3214 {
3215 selection.beg.row = pos.row;
3216 selection.beg.col = pos.col;
3217 selection.mark.row = selection.end.row;
3218 selection.mark.col = selection.end.col - (selection.clicks == 2);
3219 }
3220 else
3221 {
3222 selection.end.row = pos.row;
3223 selection.end.col = pos.col;
3022 selection.mark.row = selection.beg.row; 3224 selection.mark.row = selection.beg.row;
3023 selection.mark.col = selection.beg.col; 3225 selection.mark.col = selection.beg.col;
3226 }
3227 }
3228 else
3229 {
3230 /* button1 drag or button3 drag */
3231 if (ROWCOL_IS_AFTER (selection.mark, pos))
3232 {
3233 if (selection.mark.row == selection.end.row
3234 && selection.mark.col == selection.end.col
3235 && clickchange
3236 && selection.clicks == 2)
3237 selection.mark.col--;
3238
3239 selection.beg.row = pos.row;
3240 selection.beg.col = pos.col;
3241 selection.end.row = selection.mark.row;
3242 selection.end.col = selection.mark.col + (selection.clicks == 2);
3243 }
3244 else
3245 {
3246 selection.beg.row = selection.mark.row;
3247 selection.beg.col = selection.mark.col;
3248 selection.end.row = pos.row;
3249 selection.end.col = pos.col;
3250 }
3251 }
3252
3253 if (selection.clicks == 1)
3254 {
3255 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3256 && !ROW(selection.beg.row).is_longer ()
3257#if !ENABLE_MINIMAL
3258 && !selection.rect
3259#endif
3260 )
3261 selection.beg.col = ncol;
3262
3263 if (
3264 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3265 && !ROW(selection.end.row).is_longer ()
3266#if !ENABLE_MINIMAL
3267 && !selection.rect
3268#endif
3269 )
3270 selection.end.col = ncol;
3271 }
3272 else if (selection.clicks == 2)
3273 {
3274 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3275 selection.end.col--;
3276
3277 selection_delimit_word (UP, &selection.beg, &selection.beg);
3278 selection_delimit_word (DN, &selection.end, &selection.end);
3279 }
3280 else if (selection.clicks == 3)
3281 {
3282#if ENABLE_FRILLS
3283 if (option (Opt_tripleclickwords))
3284 {
3285 selection_delimit_word (UP, &selection.beg, &selection.beg);
3286
3287 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3288 {
3289 if (!ROW(end_row).is_longer ())
3290 {
3291 selection.end.row = end_row;
3292 selection.end.col = ROW(end_row).l;
3293# if !ENABLE_MINIMAL
3294 selection_remove_trailing_spaces ();
3295# endif
3296 break;
3024 } 3297 }
3025 } 3298 }
3026 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3027 selection.end.row = selection.mark.row;
3028 selection.end.col = selection.mark.col + 1;
3029 selection.beg.row = pos.row;
3030 selection.beg.col = pos.col;
3031 } else {
3032 selection.beg.row = selection.mark.row;
3033 selection.beg.col = selection.mark.col;
3034 selection.end.row = pos.row;
3035 selection.end.col = pos.col + 1;
3036 } 3299 }
3037 } else if (selection.clicks == 2) { 3300 else
3038 selection_delimit_word (UP, &(selection.mark), 3301#endif
3039 &(selection.beg)); 3302 {
3040 selection_delimit_word (DN, &(selection.mark), 3303 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3041 &(selection.end)); 3304 selection.mark.col++;
3042 hate_those_clicks = 1; 3305
3043 } else if (selection.clicks == 3) {
3044 selection.beg.row = selection.end.row = selection.mark.row;
3045 selection.beg.col = 0; 3306 selection.beg.col = 0;
3046 selection.end.col = ncol; 3307 selection.end.col = ncol;
3047 hate_those_clicks = 1; 3308
3048 } 3309 // select a complete logical line
3049 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); 3310 while (selection.beg.row > -saveLines
3050 return; 3311 && ROW(selection.beg.row - 1).is_longer ())
3051 } 3312 selection.beg.row--;
3052#endif /* ! NO_OLD_SELECTION */ 3313
3053#ifndef NO_NEW_SELECTION 3314 while (selection.end.row < nrow
3054/* selection_style must not be OLD_SELECT to get here */ 3315 && ROW(selection.end.row).is_longer ())
3055/* 3316 selection.end.row++;
3056 * This is mainly xterm style selection with a couple of differences, mainly
3057 * in the way button3 drag extension works.
3058 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3060 * is always at the left/right edge of the selection.
3061 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * the selection we are closest to.
3063 * c) button3 drag : extend/contract character/word/line - we select around
3064 * a point/word/line which is either the start or end of the selection
3065 * and it was decided by whichever point/word/line was `fixed' at the
3066 * time of the most recent button3 press
3067 */
3068 if (button3 && buttonpress) { /* button3 press */
3069 /* 3317 }
3070 * first determine which edge of the selection we are closest to 3318 }
3071 */ 3319
3072 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3320 if (button3 && buttonpress)
3073 || (!ROWCOL_IS_AFTER(pos, selection.end) 3321 {
3074 && (((pos.col - selection.beg.col) 3322 /* mark may need to be changed */
3075 + ((pos.row - selection.beg.row) * ncol))
3076 < ((selection.end.col - pos.col)
3077 + ((selection.end.row - pos.row) * ncol)))))
3078 closeto = LEFT;
3079 if (closeto == LEFT) { 3323 if (closeto == LEFT)
3080 selection.beg.row = pos.row; 3324 {
3081 selection.beg.col = pos.col;
3082 selection.mark.row = selection.end.row; 3325 selection.mark.row = selection.end.row;
3083 selection.mark.col = selection.end.col 3326 selection.mark.col = selection.end.col - (selection.clicks == 2);
3084 - (selection.clicks == 2); 3327 }
3085 } else { 3328 else
3086 selection.end.row = pos.row; 3329 {
3087 selection.end.col = pos.col;
3088 selection.mark.row = selection.beg.row; 3330 selection.mark.row = selection.beg.row;
3089 selection.mark.col = selection.beg.col; 3331 selection.mark.col = selection.beg.col;
3090 }
3091 } else { /* button1 drag or button3 drag */
3092 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3093 if ((selection.mark.row == selection.end.row)
3094 && (selection.mark.col == selection.end.col)
3095 && clickchange && selection.clicks == 2)
3096 selection.mark.col--;
3097 selection.beg.row = pos.row;
3098 selection.beg.col = pos.col;
3099 selection.end.row = selection.mark.row;
3100 selection.end.col = selection.mark.col
3101 + (selection.clicks == 2);
3102 } else {
3103 selection.beg.row = selection.mark.row;
3104 selection.beg.col = selection.mark.col;
3105 selection.end.row = pos.row;
3106 selection.end.col = pos.col;
3107 }
3108 }
3109
3110 if (selection.clicks == 1) {
3111 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3112 if (end_col != -1 && selection.beg.col > end_col) {
3113#if 1
3114 selection.beg.col = ncol;
3115#else
3116 if (selection.beg.row != selection.end.row)
3117 selection.beg.col = ncol;
3118 else
3119 selection.beg.col = selection.mark.col;
3120#endif
3121 }
3122 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3123 if (end_col != -1 && selection.end.col > end_col)
3124 selection.end.col = ncol;
3125
3126 } else if (selection.clicks == 2) {
3127 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3128 selection.end.col--;
3129 selection_delimit_word (UP, &(selection.beg),
3130 &(selection.beg));
3131 selection_delimit_word (DN, &(selection.end),
3132 &(selection.end));
3133 } else if (selection.clicks == 3) {
3134#ifndef NO_FRILLS
3135 if ((Options & Opt_tripleclickwords)) {
3136 int end_row;
3137
3138 selection_delimit_word (UP, &(selection.beg),
3139 &(selection.beg));
3140 end_row = screen.tlen[selection.mark.row
3141 + TermWin.saveLines];
3142 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3143 end_row++) {
3144 end_col = screen.tlen[end_row + TermWin.saveLines];
3145 if (end_col != -1) {
3146 selection.end.row = end_row;
3147 selection.end.col = end_col;
3148 selection_remove_trailing_spaces ();
3149 break;
3150 }
3151 }
3152 } else
3153#endif
3154 { 3332 }
3155 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3156 selection.mark.col++;
3157 selection.beg.col = 0;
3158 selection.end.col = ncol;
3159 }
3160 } 3333 }
3161 if (button3 && buttonpress) { /* mark may need to be changed */
3162 if (closeto == LEFT) {
3163 selection.mark.row = selection.end.row;
3164 selection.mark.col = selection.end.col
3165 - (selection.clicks == 2);
3166 } else {
3167 selection.mark.row = selection.beg.row;
3168 selection.mark.col = selection.beg.col;
3169 }
3170 }
3171 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3172#endif /* ! NO_NEW_SELECTION */
3173}
3174 3334
3175#ifndef NO_FRILLS 3335#if !ENABLE_MINIMAL
3336 if (selection.rect && selection.beg.col > selection.end.col)
3337 ::swap (selection.beg.col, selection.end.col);
3338#endif
3339}
3340
3341#if !ENABLE_MINIMAL
3176void 3342void
3177rxvt_term::selection_remove_trailing_spaces () 3343rxvt_term::selection_remove_trailing_spaces () NOTHROW
3178{ 3344{
3179 int32_t end_col, end_row; 3345 int32_t end_col, end_row;
3180 text_t *stp; 3346 text_t *stp;
3181 3347
3182 end_col = selection.end.col; 3348 end_col = selection.end.col;
3183 end_row = selection.end.row; 3349 end_row = selection.end.row;
3350
3184 for ( ; end_row >= selection.beg.row; ) { 3351 for (; end_row >= selection.beg.row; )
3185 stp = screen.text[end_row + TermWin.saveLines]; 3352 {
3353 stp = ROW(end_row).t;
3354
3186 while (--end_col >= 0) { 3355 while (--end_col >= 0)
3187 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3188 break;
3189 } 3356 {
3190 if (end_col >= 0 3357 if (stp[end_col] != NOCHAR
3191 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3358 && !unicode::is_space (stp[end_col]))
3192 selection.end.col = end_col + 1;
3193 selection.end.row = end_row;
3194 break; 3359 break;
3195 } 3360 }
3361
3362 if (end_col >= 0
3363 || !ROW(end_row - 1).is_longer ())
3364 {
3365 selection.end.col = end_col + 1;
3366 selection.end.row = end_row;
3367 break;
3368 }
3369
3196 end_row--; 3370 end_row--;
3197 end_col = TermWin.ncol; 3371 end_col = ncol;
3198 } 3372 }
3373
3199 if (selection.mark.row > selection.end.row) { 3374 if (selection.mark.row > selection.end.row)
3375 {
3200 selection.mark.row = selection.end.row; 3376 selection.mark.row = selection.end.row;
3201 selection.mark.col = selection.end.col; 3377 selection.mark.col = selection.end.col;
3378 }
3202 } else if (selection.mark.row == selection.end.row 3379 else if (selection.mark.row == selection.end.row
3203 && selection.mark.col > selection.end.col) 3380 && selection.mark.col > selection.end.col)
3204 selection.mark.col = selection.end.col; 3381 selection.mark.col = selection.end.col;
3205} 3382}
3206#endif 3383#endif
3207 3384
3208/* ------------------------------------------------------------------------- */ 3385/* ------------------------------------------------------------------------- */
3209/* 3386/*
3210 * Double click on button 3 when already selected 3387 * Double click on button 3 when already selected
3211 * EXT: button 3 double click 3388 * EXT: button 3 double click
3212 */ 3389 */
3213void 3390void
3214rxvt_term::selection_rotate (int x, int y) 3391rxvt_term::selection_rotate (int x, int y) NOTHROW
3215{ 3392{
3216 selection.clicks = selection.clicks % 3 + 1; 3393 selection.clicks = selection.clicks % 3 + 1;
3217 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3394 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3218} 3395}
3219
3220/* ------------------------------------------------------------------------- */
3221/*
3222 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3223 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3224 * the X11 protocol.
3225 */
3226typedef CARD32 Atom32;
3227 3396
3228/* ------------------------------------------------------------------------- */ 3397/* ------------------------------------------------------------------------- */
3229/* 3398/*
3230 * Respond to a request for our current selection 3399 * Respond to a request for our current selection
3231 * EXT: SelectionRequest 3400 * EXT: SelectionRequest
3232 */ 3401 */
3233void 3402void
3234rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3403rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3235{ 3404{
3405 Atom property = rq.property == None ? rq.target : rq.property;
3236 XSelectionEvent ev; 3406 XSelectionEvent ev;
3237 XTextProperty ct;
3238 XICCEncodingStyle style;
3239 Atom target;
3240 3407
3241 ev.type = SelectionNotify; 3408 ev.type = SelectionNotify;
3242 ev.property = None; 3409 ev.property = None;
3243 ev.display = rq->display; 3410 ev.display = rq.display;
3244 ev.requestor = rq->requestor; 3411 ev.requestor = rq.requestor;
3245 ev.selection = rq->selection; 3412 ev.selection = rq.selection;
3246 ev.target = rq->target; 3413 ev.target = rq.target;
3247 ev.time = rq->time; 3414 ev.time = rq.time;
3248 3415
3249 if (rq->target == xa[XA_TARGETS]) { 3416 if (rq.target == xa[XA_TARGETS])
3417 {
3250 Atom32 target_list[5]; 3418 Atom target_list[6];
3251 Atom32 *target = target_list; 3419 Atom *target = target_list;
3252 3420
3253 *target++ = (Atom32) xa[XA_TARGETS]; 3421 *target++ = xa[XA_TARGETS];
3422 *target++ = xa[XA_TIMESTAMP];
3254 *target++ = (Atom32) XA_STRING; 3423 *target++ = XA_STRING;
3255 *target++ = (Atom32) xa[XA_TEXT]; 3424 *target++ = xa[XA_TEXT];
3256 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3425 *target++ = xa[XA_COMPOUND_TEXT];
3257#if X_HAVE_UTF8_STRING 3426#if X_HAVE_UTF8_STRING
3258 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3427 *target++ = xa[XA_UTF8_STRING];
3259#endif 3428#endif
3429
3260 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3430 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3261 (8 * sizeof(target_list[0])), PropModeReplace, 3431 32, PropModeReplace,
3262 (unsigned char *)target_list, 3432 (unsigned char *)target_list, target - target_list);
3263 target - target_list);
3264 ev.property = rq->property; 3433 ev.property = property;
3434 }
3435#if TODO // TODO
3265 } else if (rq->target == xa[XA_MULTIPLE]) { 3436 else if (rq.target == xa[XA_MULTIPLE])
3437 {
3266 /* TODO: Handle MULTIPLE */ 3438 /* TODO: Handle MULTIPLE */
3267 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3439 }
3440#endif
3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3442 {
3268 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3269 (8 * sizeof(Time)), PropModeReplace,
3270 (unsigned char *)&selection_time, 1); 3444 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3271 ev.property = rq->property; 3445 ev.property = property;
3446 }
3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3448 {
3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3450 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3451 ev.property = property;
3452 }
3272 } else if (rq->target == XA_STRING 3453 else if (rq.target == XA_STRING
3273 || rq->target == xa[XA_TEXT] 3454 || rq.target == xa[XA_TEXT]
3274 || rq->target == xa[XA_COMPOUND_TEXT] 3455 || rq.target == xa[XA_COMPOUND_TEXT]
3275 || rq->target == xa[XA_UTF8_STRING] 3456 || rq.target == xa[XA_UTF8_STRING]
3276 ) { 3457 )
3458 {
3459 XTextProperty ct;
3460 Atom target = rq.target;
3277 short freect = 0; 3461 short freect = 0;
3278 int selectlen; 3462 int selectlen;
3279 char *cl; 3463 wchar_t *cl;
3464 enum {
3465 enc_string = XStringStyle,
3466 enc_text = XStdICCTextStyle,
3467 enc_compound_text = XCompoundTextStyle,
3468#ifdef X_HAVE_UTF8_STRING
3469 enc_utf8 = XUTF8StringStyle,
3470#else
3471 enc_utf8 = -1,
3472#endif
3473 } style;
3280 3474
3281 target = rq->target;
3282
3283 if (target == XA_STRING) 3475 if (target == XA_STRING)
3284 // we actually don't do XA_STRING, but who cares, as i18n clients 3476 // we actually don't do XA_STRING, but who cares, as i18n clients
3285 // will ask for another format anyways. 3477 // will ask for another format anyways.
3286 style = XStringStyle; 3478 style = enc_string;
3287 else if (target == xa[XA_TEXT]) 3479 else if (target == xa[XA_TEXT])
3288 style = XTextStyle; 3480 style = enc_text;
3289 else if (target == xa[XA_COMPOUND_TEXT]) 3481 else if (target == xa[XA_COMPOUND_TEXT])
3290 style = XCompoundTextStyle; 3482 style = enc_compound_text;
3291#if X_HAVE_UTF8_STRING 3483#if !ENABLE_MINIMAL
3292 else if (target == xa[XA_UTF8_STRING]) 3484 else if (target == xa[XA_UTF8_STRING])
3293 style = XUTF8StringStyle; 3485 style = enc_utf8;
3294#endif 3486#endif
3295 else 3487 else
3296 { 3488 {
3297 target = xa[XA_COMPOUND_TEXT]; 3489 target = xa[XA_COMPOUND_TEXT];
3298 style = XCompoundTextStyle; 3490 style = enc_compound_text;
3299 } 3491 }
3300 3492
3301 if (selection.text) { 3493 if (rq.selection == XA_PRIMARY && selection.text)
3494 {
3302 cl = (char *)selection.text; 3495 cl = selection.text;
3303 selectlen = selection.len; 3496 selectlen = selection.len;
3497 }
3498 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3499 {
3500 cl = selection.clip_text;
3501 selectlen = selection.clip_len;
3502 }
3304 } else { 3503 else
3504 {
3305 cl = ""; 3505 cl = L"";
3306 selectlen = 0; 3506 selectlen = 0;
3507 }
3508
3509#if !ENABLE_MINIMAL
3510 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3511 // so recode it manually
3512 if (style == enc_utf8)
3307 } 3513 {
3308
3309 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3310 freect = 1; 3514 freect = 1;
3515 ct.encoding = target;
3516 ct.format = 8;
3517 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3518 ct.nitems = strlen ((char *)ct.value);
3519 }
3311 else 3520 else
3521#endif
3522 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3523 freect = 1;
3524 else
3312 { 3525 {
3313 /* if we failed to convert then send it raw */ 3526 /* if we failed to convert then send it raw */
3314 ct.value = (unsigned char *)cl; 3527 ct.value = (unsigned char *)cl;
3315 ct.nitems = selectlen; 3528 ct.nitems = selectlen;
3529 ct.encoding = target;
3316 } 3530 }
3317 3531
3318 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3532 XChangeProperty (dpy, rq.requestor, property,
3319 target, 8, PropModeReplace, 3533 ct.encoding, 8, PropModeReplace,
3320 ct.value, (int)ct.nitems); 3534 ct.value, (int)ct.nitems);
3321 ev.property = rq->property; 3535 ev.property = property;
3322 3536
3323 if (freect) 3537 if (freect)
3324 XFree (ct.value); 3538 XFree (ct.value);
3325 } 3539 }
3540
3326 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3541 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3327}
3328
3329/* ------------------------------------------------------------------------- *
3330 * MOUSE ROUTINES *
3331 * ------------------------------------------------------------------------- */
3332
3333/*
3334 * return col/row values corresponding to x/y pixel values
3335 */
3336void
3337rxvt_term::pixel_position (int *x, int *y)
3338{
3339 *x = Pixel2Col(*x);
3340 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3341 *y = Pixel2Row(*y);
3342 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3343} 3542}
3344 3543
3345/* ------------------------------------------------------------------------- */ 3544/* ------------------------------------------------------------------------- */
3346#ifdef USE_XIM 3545#ifdef USE_XIM
3347void 3546void
3348rxvt_term::set_position (XPoint *pos) 3547rxvt_term::im_set_position (XPoint &pos) NOTHROW
3349{ 3548{
3350 XWindowAttributes xwa; 3549 XWindowAttributes xwa;
3351 3550
3352 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3551 XGetWindowAttributes (dpy, vt, &xwa);
3552
3353 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3553 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3354 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3554 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3355} 3555}
3356
3357#endif 3556#endif
3358/* ------------------------------------------------------------------------- */ 3557
3359 3558#if ENABLE_OVERLAY
3559void
3560rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3561{
3562 if (nrow < 1 || ncol < 1)
3563 return;
3564
3565 want_refresh = 1;
3566
3567 scr_overlay_off ();
3568
3569 if (x < 0) x = ncol - w;
3570 if (y < 0) y = nrow - h;
3571
3572 // make space for border
3573 w += 2; min_it (w, ncol);
3574 h += 2; min_it (h, nrow);
3575
3576 x -= 1; clamp_it (x, 0, ncol - w);
3577 y -= 1; clamp_it (y, 0, nrow - h);
3578
3579 ov.x = x; ov.y = y;
3580 ov.w = w; ov.h = h;
3581
3582 ov.text = new text_t *[h];
3583 ov.rend = new rend_t *[h];
3584
3585 for (y = 0; y < h; y++)
3586 {
3587 text_t *tp = ov.text[y] = new text_t[w];
3588 rend_t *rp = ov.rend[y] = new rend_t[w];
3589
3590 text_t t0, t1, t2;
3591 rend_t r = OVERLAY_RSTYLE;
3592
3593 if (y == 0)
3594 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3595 else if (y < h - 1)
3596 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3597 else
3598 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3599
3600 *tp++ = t0;
3601 *rp++ = r;
3602
3603 for (x = w - 2; x > 0; --x)
3604 {
3605 *tp++ = t1;
3606 *rp++ = r;
3607 }
3608
3609 *tp = t2;
3610 *rp = r;
3611 }
3612}
3613
3614void
3615rxvt_term::scr_overlay_off () NOTHROW
3616{
3617 if (!ov.text)
3618 return;
3619
3620 want_refresh = 1;
3621
3622 for (int y = 0; y < ov.h; y++)
3623 {
3624 delete [] ov.text[y];
3625 delete [] ov.rend[y];
3626 }
3627
3628 delete [] ov.text; ov.text = 0;
3629 delete [] ov.rend; ov.rend = 0;
3630}
3631
3632void
3633rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3634{
3635 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3636 return;
3637
3638 x++, y++;
3639
3640 ov.text[y][x] = text;
3641 ov.rend[y][x] = rend;
3642}
3643
3644void
3645rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3646{
3647 while (*s)
3648 scr_overlay_set (x++, y, *s++);
3649}
3650
3651void
3652rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3653{
3654 while (*s)
3655 {
3656 text_t t = *s++;
3657 int width = WCWIDTH (t);
3658
3659 while (width--)
3660 {
3661 scr_overlay_set (x++, y, t);
3662 t = NOCHAR;
3663 }
3664 }
3665}
3666
3667void
3668rxvt_term::scr_swap_overlay () NOTHROW
3669{
3670 if (!ov.text)
3671 return;
3672
3673 // hide cursor if it is within the overlay area
3674 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3675 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3676 screen.flags &= ~Screen_VisibleCursor;
3677
3678 // swap screen mem with overlay
3679 for (int y = ov.h; y--; )
3680 {
3681 text_t *t1 = ov.text[y];
3682 rend_t *r1 = ov.rend[y];
3683
3684 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3685 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3686
3687 for (int x = ov.w; x--; )
3688 {
3689 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3690 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3691 }
3692 }
3693}
3694
3695#endif
3360/* ------------------------------------------------------------------------- * 3696/* ------------------------------------------------------------------------- */
3361 * DEBUG ROUTINES *
3362 * ------------------------------------------------------------------------- */
3363#if 0
3364void
3365rxvt_debug_colors(void)
3366{
3367 int color;
3368 const char *name[] = {
3369 "fg", "bg",
3370 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3371 };
3372 3697
3373 fprintf(stderr, "Color ( ");
3374 if (rstyle & RS_RVid)
3375 fprintf(stderr, "rvid ");
3376 if (rstyle & RS_Bold)
3377 fprintf(stderr, "bold ");
3378 if (rstyle & RS_Blink)
3379 fprintf(stderr, "blink ");
3380 if (rstyle & RS_Uline)
3381 fprintf(stderr, "uline ");
3382 fprintf(stderr, "): ");
3383
3384 color = GET_FGCOLOR(rstyle);
3385#ifndef NO_BRIGHTCOLOR
3386 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3387 color -= (minBrightCOLOR - minCOLOR);
3388 fprintf(stderr, "bright ");
3389 }
3390#endif
3391 fprintf(stderr, "%s on ", name[color]);
3392
3393 color = GET_BGCOLOR(rstyle);
3394#ifndef NO_BRIGHTCOLOR
3395 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3396 color -= (minBrightCOLOR - minCOLOR);
3397 fprintf(stderr, "bright ");
3398 }
3399#endif
3400 fprintf(stderr, "%s\n", name[color]);
3401}
3402#endif

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