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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.23 by pcg, Sat Jan 31 02:31:17 2004 UTC vs.
Revision 1.442 by sf-exg, Sat Mar 30 08:47:06 2013 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!! 33static inline void
36
37inline void fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
38{ 35{
39 while (len--) 36 while (len--)
40 *start++ = value; 37 *start++ = value;
41} 38}
42 39
43/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
44#define PROP_SIZE 16384
45#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
46 42
47/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
50#define ZERO_SCROLLBACK() \ 46#define ZERO_SCROLLBACK() \
51 if ((Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 47 if (option (Opt_scrollTtyOutput)) \
52 TermWin.view_start = 0 48 view_start = 0
53#define CLEAR_SELECTION() \ 49#define CLEAR_SELECTION() \
54 selection.beg.row = selection.beg.col \ 50 selection.beg.row = selection.beg.col \
55 = selection.end.row = selection.end.col = 0 51 = selection.end.row = selection.end.col = 0
56#define CLEAR_ALL_SELECTION() \ 52#define CLEAR_ALL_SELECTION() \
57 selection.beg.row = selection.beg.col \ 53 selection.beg.row = selection.beg.col \
58 = selection.mark.row = selection.mark.col \ 54 = selection.mark.row = selection.mark.col \
59 = selection.end.row = selection.end.col = 0 55 = selection.end.row = selection.end.col = 0
60 56
61#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 57#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
62 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 58 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
63#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 59#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
64 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 60 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
65#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 61#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
66 (((A) == (C)) && ((B) > (D))) 62 (((A) == (C)) && ((B) > (D)))
67#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
68 (((A) == (C)) && ((B) >= (D))) 64 (((A) == (C)) && ((B) >= (D)))
69#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 65#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
70 (((A) == (C)) && ((B) < (D))) 66 (((A) == (C)) && ((B) < (D)))
71#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
72 (((A) == (C)) && ((B) <= (D))) 68 (((A) == (C)) && ((B) <= (D)))
73 69
74/* these must be row_col_t */ 70/* these must be row_col_t */
75#define ROWCOL_IS_AFTER(X, Y) \ 71#define ROWCOL_IS_AFTER(X, Y) \
76 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 72 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
77#define ROWCOL_IS_BEFORE(X, Y) \ 73#define ROWCOL_IS_BEFORE(X, Y) \
78 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 74 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
79#define ROWCOL_IN_ROW_AFTER(X, Y) \ 75#define ROWCOL_IN_ROW_AFTER(X, Y) \
80 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 76 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
81#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 77#define ROWCOL_IN_ROW_BEFORE(X, Y) \
82 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 78 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
83#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 79#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) 80 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) \ 81#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) 82 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
87 83
88/* 84/*
89 * CLEAR_ROWS : clear <num> rows starting from row <row>
90 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 85 * 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 */ 86 */
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) \ 87#define CLEAR_CHARS(x, y, num) \
102 if (TermWin.mapped) \ 88 if (mapped) \
103 XClearArea (Xdisplay, drawBuffer, x, y, \ 89 XClearArea (dpy, vt, x, y, \
104 (unsigned int)Width2Pixel(num), \ 90 (unsigned int)Width2Pixel (num), \
105 (unsigned int)Height2Pixel(1), False) 91 (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 92
113/* ------------------------------------------------------------------------- * 93/* ------------------------------------------------------------------------- *
114 * SCREEN `COMMON' ROUTINES * 94 * SCREEN `COMMON' ROUTINES *
115 * ------------------------------------------------------------------------- */ 95 * ------------------------------------------------------------------------- */
96
116/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
117void 98void
118rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
119{ 100{
120 efs &= ~RS_baseattrMask; 101 if (!l.valid ())
102 {
103 l.alloc ();
104 col = 0;
105 width = ncol;
106 }
107
108 l.touch ();
109
110 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
121 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 111 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
112
113 text_t *et = l.t + col;
114 rend_t *er = l.r + col;
122 115
123 while (width--) 116 while (width--)
124 { 117 {
125 *et++ = ' '; 118 *et++ = ' ';
126 *er++ = efs; 119 *er++ = efs;
… …
128} 121}
129 122
130/* ------------------------------------------------------------------------- */ 123/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 124/* Fill a full line with blanks - make sure it is allocated first */
132void 125void
133rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 126rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
134{ 127{
135#ifdef DEBUG_STRICT 128 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 }
143 129
144 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 130 l.l = 0;
131 l.f = 0;
132}
133
134// nuke a single wide character at the given column
135void
136rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
137{
138 // find begin
139 while (col > 0 && l.t[col] == NOCHAR)
140 col--;
141
142 rend_t rend = l.r[col] & ~RS_baseattrMask;
143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
146
147 // found start, nuke
148 do {
149 l.t[col] = ' ';
150 l.r[col] = rend;
151 col++;
152 } while (col < ncol && l.t[col] == NOCHAR);
153}
154
155// set the rendition of a single wide character beginning at the given column
156void
157rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
158{
159 do {
160 l.r[col] = rend;
161 col++;
162 } while (col < ncol && l.t[col] == NOCHAR);
145} 163}
146 164
147/* ------------------------------------------------------------------------- * 165/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 166 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 167 * ------------------------------------------------------------------------- */
168
150void 169void
170rxvt_term::scr_alloc () NOTHROW
171{
172 int tsize = sizeof (text_t) * ncol;
173 int rsize = sizeof (rend_t) * ncol;
174
175 // we assume that rend_t size is a sufficient alignment
176 // factor for text_t and line_t values, and we only
177 // need to adjust tsize.
178 tsize = (tsize + sizeof (rend_t) - 1);
179 tsize -= tsize % sizeof (rend_t);
180
181 int all_rows = total_rows + nrow + nrow;
182
183 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
184 chunk = chunk_alloc (chunk_size, 0);
185
186 char *base = (char *)chunk + sizeof (line_t) * all_rows;
187
188 for (int row = 0; row < all_rows; ++row)
189 {
190 line_t &l = ((line_t *)chunk) [row];
191
192 l.t = (text_t *)base; base += tsize;
193 l.r = (rend_t *)base; base += rsize;
194 l.l = -1;
195 l.f = 0;
196 }
197
198 drawn_buf = (line_t *)chunk;
199 swap_buf = drawn_buf + nrow;
200 row_buf = swap_buf + nrow;
201}
202
203void
204rxvt_term::copy_line (line_t &dst, line_t &src)
205{
206 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
207 dst.l = min (src.l, ncol);
208 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
209 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
210 dst.f = src.f;
211}
212
213void ecb_cold
151rxvt_term::scr_reset () 214rxvt_term::scr_reset ()
152{ 215{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 216#if ENABLE_OVERLAY
154 unsigned int p, q; 217 scr_overlay_off ();
155 int k; 218#endif
156 rend_t setrstyle;
157 219
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 220 view_start = 0;
161 num_scr = 0; 221 num_scr = 0;
162 222
163 if (TermWin.ncol == 0) 223 if (ncol == 0)
164 TermWin.ncol = 80; 224 ncol = 80;
165 225
166 if (TermWin.nrow == 0) 226 if (nrow == 0)
167 TermWin.nrow = 24; 227 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 228
172 if (ncol == prev_ncol && nrow == prev_nrow) 229 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 230 return;
174 231
232 // we need at least two lines for wrapping to work correctly
233 while (nrow + saveLines < 2)
234 {
235 //TODO//FIXME
236 saveLines++;
237 prev_nrow--;
238 top_row--;
239 }
240
175 want_refresh = 1; 241 want_refresh = 1;
176 242
243 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 244 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 245
180 screen.tscroll = 0; 246 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 247 screen.bscroll = nrow - 1;
182 248
183 if (!talloc) 249 void *prev_chunk = chunk;
184 { 250 size_t prev_chunk_size = chunk_size;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 251 line_t *prev_drawn_buf = drawn_buf;
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 252 line_t *prev_swap_buf = swap_buf;
253 line_t *prev_row_buf = row_buf;
254
255 scr_alloc ();
256
257 if (!prev_row_buf)
187 } 258 {
188 259 top_row = 0;
189 if (prev_nrow == 0) 260 term_start = 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 *));
199 261
200 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
201 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
202
203 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
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 }
216
217 MEMSET(charsets, 'B', sizeof(charsets)); 262 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 263 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 264 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 265 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 266 screen.charset = 0;
223 current_screen = PRIMARY; 267 current_screen = PRIMARY;
… …
235 selection.text = NULL; 279 selection.text = NULL;
236 selection.len = 0; 280 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 281 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 282 selection.screen = PRIMARY;
239 selection.clicks = 0; 283 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 284 selection.clip_text = NULL;
241 rvideo = 0; 285 selection.clip_len = 0;
242 } 286 }
243 else 287 else
244 { 288 {
245 /* 289 /*
246 * add or delete rows as appropriate 290 * add or delete rows as appropriate
247 */ 291 */
248 setrstyle = DEFAULT_RSTYLE;
249 292
250 if (nrow < prev_nrow) 293 int common_col = min (prev_ncol, ncol);
294
295 for (int row = min (nrow, prev_nrow); row--; )
296 {
297 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
298 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
299 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
300
301 copy_line (swap_buf [row], prev_swap_buf [row]);
251 { 302 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 303
256 for (p = nrow; p < prev_nrow; p++) 304 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
305 int pend = MOD (term_start + top_row , prev_total_rows);
306 int q = total_rows; // rewrapped row
307
308 if (top_row)
309 {
310 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
311 // to come up with a lean and mean algorithm.
312 // TODO: maybe optimise when width didn't change
313
314 row_col_t ocur = screen.cur;
315 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
316
317 do
257 { 318 {
258 q = p + TermWin.saveLines; 319 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 320 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
321 int plines = 1;
322 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
323
324 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 325 {
261#ifdef DEBUG_STRICT 326 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 327
263#endif 328 plines++;
264 talloc->free (screen.text[q]); 329 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 330 }
267 if (swap.text[p]) 331
332 int qlines = max (0, (llen - 1) / ncol) + 1;
333
334 // drop partial lines completely
335 if (q < qlines)
336 break;
337
338 q -= qlines;
339
340 int lofs = 0;
341 line_t *qline;
342
343 // re-assemble the full line by destination lines
344 for (int qrow = q; qlines--; qrow++)
268 { 345 {
269#ifdef DEBUG_STRICT 346 qline = row_buf + qrow;
270 assert (swap.rend[p]); 347 qline->alloc (); // redundant with next line
271#endif 348 qline->l = ncol;
272 talloc->free (swap.text[p]); 349 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 350
351 int qcol = 0;
352
353 // see below for cursor adjustment rationale
354 if (p == ocur.row)
355 screen.cur.row = q - (total_rows - nrow);
356
357 // fill a single destination line
358 while (lofs < llen && qcol < ncol)
359 {
360 int prow = lofs / prev_ncol;
361 int pcol = lofs % prev_ncol;
362
363 prow = MOD (p + prow, prev_total_rows);
364
365 // we only adjust the cursor _row_ and put it into
366 // the topmost line of "long line" it was in, as
367 // this seems to upset applications/shells/readline
368 // least.
369 if (prow == ocur.row)
370 screen.cur.row = q - (total_rows - nrow);
371
372 line_t &pline = prev_row_buf [prow];
373
374 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
375
376 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
377 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
378
379 lofs += len;
380 qcol += len;
381 }
274 } 382 }
275#ifdef DEBUG_STRICT 383
276 assert (drawn_text[p] && drawn_rend[p]); 384 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 385 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 386 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 387 }
388 while (p != pend && q > 0);
281 389
282 /* we have fewer rows so fix up cursor position */ 390 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 391 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 392
286 scr_reset_realloc (); /* realloc _last_ */ 393 // make sure all terminal lines exist
287 } 394 while (top_row > 0)
288 else if (nrow > prev_nrow) 395 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 396 }
290 /* add rows */ 397 else
291 scr_reset_realloc (); /* realloc _first_ */ 398 {
399 // if no scrollback exists (yet), wing, instead of wrap
292 400
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 401 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 { 402 {
299 screen.tlen[p] = 0; 403 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
300 screen.text[p] = NULL; 404 line_t &dst = row_buf [row];
301 screen.rend[p] = NULL; 405
406 copy_line (dst, src);
302 } 407 }
303 408
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++) 409 for (int row = prev_nrow; row < nrow; row++)
308 { 410 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
309 swap.tlen[p] = 0;
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 }
317 411
318 if (k > 0) 412 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 { 413 }
339 int common = min (prev_ncol, ncol); 414
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 415 clamp_it (screen.cur.row, 0, nrow - 1);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 416 clamp_it (screen.cur.col, 0, ncol - 1);
342 417 }
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;
349 418
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 419 for (int row = nrow; row--; )
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);
394 } 420 {
421 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
422 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
423 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
424 }
425
426 chunk_free (prev_chunk, prev_chunk_size);
427
428 free (tabs);
429 tabs = (char *)rxvt_malloc (ncol);
430
431 for (int col = ncol; col--; )
432 tabs [col] = col % TABSIZE == 0;
433
434 CLEAR_ALL_SELECTION ();
395 435
396 prev_nrow = nrow; 436 prev_nrow = nrow;
397 prev_ncol = ncol; 437 prev_ncol = ncol;
398 438
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 (); 439 tt_winch ();
405}
406 440
407void 441 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} 442}
429 443
430/* ------------------------------------------------------------------------- */ 444void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 445rxvt_term::scr_release () NOTHROW
436{ 446{
437 uint16_t total_rows; 447 chunk_free (chunk, chunk_size);
438 int i; 448 chunk = 0;
449 row_buf = 0;
439 450
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 }
449#endif
450
451 delete talloc; talloc = 0;
452 delete ralloc; ralloc = 0;
453
454 free (screen.text);
455 free (screen.tlen);
456 free (screen.rend);
457 free (drawn_text);
458 free (drawn_rend);
459 free (swap.text);
460 free (swap.tlen);
461 free (swap.rend);
462 free (buf_text);
463 free (buf_rend);
464 free (tabs); 451 free (tabs);
465
466 /* NULL these so if anything tries to use them, we'll know about it */
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; 452 tabs = 0;
473} 453}
474 454
475/* ------------------------------------------------------------------------- */ 455/* ------------------------------------------------------------------------- */
476/* 456/*
477 * Hard reset 457 * Hard/Soft reset
478 */ 458 */
479void 459void ecb_cold
480rxvt_term::scr_poweron () 460rxvt_term::scr_poweron ()
481{ 461{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 462 scr_release ();
463
485 prev_nrow = prev_ncol = 0; 464 prev_nrow = prev_ncol = 0;
465 rvideo_mode = false;
466 scr_soft_reset ();
486 scr_reset (); 467 scr_reset ();
487 468
488 scr_clear (); 469 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 470 scr_refresh ();
490#ifdef RXVT_GRAPHICS 471}
491 Gr_reset (); 472
473void ecb_cold
474rxvt_term::scr_soft_reset () NOTHROW
475{
476 /* only affects modes, nothing drastic such as clearing the screen */
477#if ENABLE_OVERLAY
478 scr_overlay_off ();
492#endif 479#endif
480
481 if (current_screen != PRIMARY)
482 scr_swap_screen ();
483
484 scr_scroll_region (0, MAX_ROWS - 1);
485 scr_rendition (0, ~RS_None);
486 scr_insert_mode (0);
493} 487}
494 488
495/* ------------------------------------------------------------------------- * 489/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 490 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 491 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 493 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 494 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 495 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 496 */
503void 497void
504rxvt_term::scr_cursor (int mode) 498rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
505{ 499{
506 screen_t *s; 500 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 501
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 502#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 503 if (current_screen == SECONDARY)
512 s = &(swap); 504 s = &swap;
513 else 505 else
514#endif 506#endif
515 s = &(screen); 507 s = &screen;
508
516 switch (mode) { 509 switch (mode)
510 {
517 case SAVE: 511 case SAVE:
518 s->s_cur.row = s->cur.row; 512 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 513 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 514 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 515 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 516 s->s_charset_char = charsets[screen.charset];
523 break; 517 break;
518
524 case RESTORE: 519 case RESTORE:
525 want_refresh = 1; 520 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 521 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 522 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 523 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 524 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 525 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 526 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 527 set_font_style ();
533 break; 528 break;
534 } 529 }
530
535/* boundary check in case screen size changed between SAVE and RESTORE */ 531 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 532 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 533 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 534 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 535 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 536}
542 MAX_IT(s->cur.row, 0); 537
543 MAX_IT(s->cur.col, 0); 538void
544#endif 539rxvt_term::scr_swap_screen () NOTHROW
540{
541 if (!option (Opt_secondaryScreen))
542 return;
543
544 for (int i = prev_nrow; i--; )
545 ::swap (ROW(i), swap_buf [i]);
546
547 ::swap (screen.cur, swap.cur);
548
549 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
550 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 551}
546 552
547/* ------------------------------------------------------------------------- */ 553/* ------------------------------------------------------------------------- */
548/* 554/*
549 * Swap between primary and secondary screens 555 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 556 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 557 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 558 */
553int 559void
554rxvt_term::scr_change_screen (int scrn) 560rxvt_term::scr_change_screen (int scrn)
555{ 561{
556 int i; 562 if (scrn == current_screen)
563 return;
564
565 want_refresh = 1;
566 view_start = 0;
567
568 /* check for boundary cross */
569 row_col_t pos;
570 pos.row = pos.col = 0;
571 if (ROWCOL_IS_BEFORE (selection.beg, pos)
572 && ROWCOL_IS_AFTER (selection.end, pos))
573 CLEAR_SELECTION ();
574
575 current_screen = scrn;
576
557#if NSCREENS 577#if NSCREENS
558 int offset; 578 if (option (Opt_secondaryScreen))
559#endif 579 {
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; 580 num_scr = 0;
575 offset = TermWin.saveLines; 581
576 for (i = prev_nrow; i--;) { 582 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 583
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 584 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 585 ::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; 586 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 587 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 588 }
589 else
603# endif 590#endif
604#else 591 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); 592 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 593}
617#endif 594
595// clear WrapNext indicator, solidifying position on next line
596void
597rxvt_term::scr_do_wrap () NOTHROW
598{
599 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 600 return;
601
602 screen.flags &= ~Screen_WrapNext;
603
604 screen.cur.col = 0;
605
606 if (screen.cur.row == screen.bscroll)
607 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
608 else if (screen.cur.row < nrow - 1)
609 screen.cur.row++;
619} 610}
620 611
621/* ------------------------------------------------------------------------- */ 612/* ------------------------------------------------------------------------- */
622/* 613/*
623 * Change the colour for following text 614 * Change the colour for following text
624 */ 615 */
625void 616void
626rxvt_term::scr_color (unsigned int color, int fgbg) 617rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
627{ 618{
619 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
628 color &= RS_fgMask; 620 color = fgbg;
621
629 if (fgbg == Color_fg) 622 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 623 rstyle = SET_FGCOLOR (rstyle, color);
631 else 624 else
632 rstyle = SET_BGCOLOR(rstyle, color); 625 rstyle = SET_BGCOLOR (rstyle, color);
633} 626}
634 627
635/* ------------------------------------------------------------------------- */ 628/* ------------------------------------------------------------------------- */
636/* 629/*
637 * Change the rendition style for following text 630 * Change the rendition style for following text
638 */ 631 */
639void 632void
640rxvt_term::scr_rendition (int set, int style) 633rxvt_term::scr_rendition (int set, int style) NOTHROW
641{ 634{
642 if (set) 635 if (set)
643 rstyle |= style; 636 rstyle |= style;
644 else if (style == ~RS_None) 637 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 638 rstyle = DEFAULT_RSTYLE;
646 else 639 else
647 rstyle &= ~style; 640 rstyle &= ~style;
648} 641}
649 642
650/* ------------------------------------------------------------------------- */ 643/* ------------------------------------------------------------------------- */
651/* 644/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 645 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 646 * count positive ==> scroll up
654 * count negative ==> scroll down 647 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 648 */
657int 649int ecb_hot
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 650rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
659{ 651{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 652 if (count == 0 || (row1 > row2))
664 return 0; 653 return 0;
665 654
666 want_refresh = 1; 655 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 656 num_scr += count;
668 657
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 658 if (count > 0
659 && row1 == 0
660 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
661 {
662 min_it (count, total_rows - (nrow - (row2 + 1)));
663
664 top_row = max (top_row - count, -saveLines);
665
666 // sever bottommost line
670 { 667 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 668 line_t &l = ROW(row2);
672 669 l.is_longer (0);
673 if (nscrolled > (long)TermWin.saveLines) 670 l.touch ();
674 TermWin.nscrolled = TermWin.saveLines;
675 else
676 TermWin.nscrolled = (uint16_t)nscrolled;
677
678 if ((Options & Opt_scrollWithBuffer)
679 && TermWin.view_start != 0
680 && TermWin.view_start != TermWin.saveLines)
681 scr_page (UP, count);
682 } 671 }
683 else if (!spec)
684 row1 += TermWin.saveLines;
685 672
686 row2 += TermWin.saveLines; 673 // scroll everything up 'count' lines
674 term_start = (term_start + count) % total_rows;
687 675
676 // now copy lines below the scroll region bottom to the
677 // bottom of the screen again, so they look as if they
678 // hadn't moved.
679 for (int i = nrow; --i > row2; )
680 {
681 line_t &l1 = ROW(i - count);
682 line_t &l2 = ROW(i);
683
684 ::swap (l1, l2);
685 l2.touch ();
686 }
687
688 // erase newly scrolled-in lines
689 for (int i = count; i--; )
690 {
691 line_t &l = ROW(row2 - i);
692
693 // optimise if already cleared, can be significant on slow machines
694 // could be rolled into scr_blank_screen_mem
695 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
696 {
697 scr_blank_line (l, 0, l.l, rstyle);
698 l.l = 0;
699 l.f = 0;
700 }
701 else
702 scr_blank_screen_mem (l, rstyle);
703 }
704
705 // move and/or clear selection, if any
688 if (selection.op && current_screen == selection.screen) 706 if (selection.op && current_screen == selection.screen
689 { 707 && selection.beg.row <= row2)
690 i = selection.beg.row + TermWin.saveLines;
691 j = selection.end.row + TermWin.saveLines;
692 if ((i < row1 && j > row1)
693 || (i < row2 && j > row2)
694 || (i - count < row1 && i >= row1)
695 || (i - count > row2 && i <= row2)
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 {
699 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
701 } 708 {
702 else if (j >= row1 && j <= row2)
703 {
704 /* move selected region too */
705 selection.beg.row -= count; 709 selection.beg.row -= count;
706 selection.end.row -= count; 710 selection.end.row -= count;
707 selection.mark.row -= count; 711 selection.mark.row -= count;
708 }
709 }
710 712
711 selection_check (0); /* _after_ TermWin.nscrolled update */ 713 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 { 714 }
729 buf_text[i] = screen.text[j]; 715
730 buf_rend[i] = screen.rend[j]; 716 // finally move the view window, if desired
717 if (option (Opt_scrollWithBuffer)
718 && view_start != 0
719 && view_start != -saveLines)
720 scr_page (count);
721
722 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
723 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
724 }
725 else
726 {
727 if (selection.op && current_screen == selection.screen)
731 } 728 {
732 /* A2: Rotate lines */ 729 if ((selection.beg.row < row1 && selection.end.row > row1)
733 for (j = row1, i = j + count; i <= row2; i++, j++) 730 || (selection.beg.row < row2 && selection.end.row > row2)
731 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
732 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
733 || (selection.end.row - count < row1 && selection.end.row >= row1)
734 || (selection.end.row - count > row2 && selection.end.row <= row2))
735 {
736 CLEAR_ALL_SELECTION ();
737 selection.op = SELECTION_CLEAR;
738 }
739 else if (selection.end.row >= row1 && selection.end.row <= row2)
740 {
741 /* move selected region too */
742 selection.beg.row -= count;
743 selection.end.row -= count;
744 selection.mark.row -= count;
745
746 selection_check (0);
747 }
734 { 748 }
735 screen.tlen[j] = screen.tlen[i]; 749
736 screen.text[j] = screen.text[i]; 750 // use a simple and robust scrolling algorithm, this
737 screen.rend[j] = screen.rend[i]; 751 // part of scr_scroll_text is not time-critical.
752
753 // sever line above scroll region
754 if (row1)
738 } 755 {
739 j = row2 - count + 1, i = count; 756 line_t &l = ROW(row1 - 1);
740 } 757 l.is_longer (0);
741 else /* if (j < 0) */ 758 l.touch ();
742 {
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 { 759 }
748 buf_text[i] = screen.text[j]; 760
749 buf_rend[i] = screen.rend[j]; 761 int rows = row2 - row1 + 1;
762
763 min_it (count, rows);
764
765 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
766
767 for (int row = 0; row < rows; row++)
750 } 768 {
751 /* B2: Rotate lines */ 769 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
752 for (j = row2, i = j - count; i >= row1; i--, j--) 770
771 if (!IN_RANGE_EXC (row + count, 0, rows))
772 scr_blank_screen_mem (temp_buf [row], rstyle);
753 { 773 }
754 screen.tlen[j] = screen.tlen[i]; 774
755 screen.text[j] = screen.text[i]; 775 for (int row = 0; row < rows; row++)
756 screen.rend[j] = screen.rend[i]; 776 ROW(row1 + row) = temp_buf [row];
777
778 // sever bottommost line
779 {
780 line_t &l = ROW(row2);
781 l.is_longer (0);
782 l.touch ();
757 } 783 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 784 }
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
778 785
779 return count; 786 return count;
780} 787}
781 788
782/* ------------------------------------------------------------------------- */ 789/* ------------------------------------------------------------------------- */
783/* 790/*
784 * Add text given in <str> of length <len> to screen struct 791 * Add text given in <str> of length <len> to screen struct
785 */ 792 */
786void 793void ecb_hot
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 794rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
788{ 795{
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 */ 796 if (len <= 0) /* sanity */
796 return; 797 return;
797 798
799 bool checksel;
800 unicode_t c;
801 int ncol = this->ncol;
802 const wchar_t *strend = str + len;
803
798 want_refresh = 1; 804 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 805 ZERO_SCROLLBACK ();
806
803 if (nlines > 0) { 807 if (minlines > 0)
808 {
804 nlines += (screen.cur.row - screen.bscroll); 809 minlines += screen.cur.row - screen.bscroll;
810 min_it (minlines, screen.cur.row - top_row);
811
805 if ((nlines > 0) 812 if (minlines > 0
806 && (screen.tscroll == 0) 813 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 814 && screen.bscroll == nrow - 1)
815 {
808 /* _at least_ this many lines need to be scrolled */ 816 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 817 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 818 screen.cur.row -= minlines;
811 } 819 }
812 } 820 }
813#ifdef DEBUG_STRICT 821
814 assert(screen.cur.col < last_col); 822 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 823 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 824 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 825 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;
823 826
824 checksel = (selection.op 827 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 828
828 stp = screen.text[row]; 829 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 830
831 for (i = 0; i < len;) { 831 while (str < strend)
832 c = str[i++]; 832 {
833 switch (c) { 833 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 834
835 scr_tab (1); 835 if (ecb_unlikely (c < 0x20))
836 if (c == C0_LF)
837 {
838 max_it (line->l, screen.cur.col);
839
840 screen.flags &= ~Screen_WrapNext;
841
842 if (screen.cur.row == screen.bscroll)
843 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
844 else if (screen.cur.row < (nrow - 1))
845 row = ++screen.cur.row;
846
847 line = &ROW(row); /* _must_ refresh */
836 continue; 848 continue;
837 case '\n': 849 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 850 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 851 {
840 screen.flags &= ~Screen_WrapNext; 852 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 853
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; 854 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 855 screen.cur.col = 0;
853 continue; 856 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 857 }
858 else if (c == C0_HT)
859 {
860 scr_tab (1, true);
861 continue;
862 }
859 863
864 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 865 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 866 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 867 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
868 ))
869 {
863 checksel = 0; 870 checksel = 0;
864 clearsel = 1; 871 /*
872 * If we wrote anywhere in the selected area, kill the selection
873 * XXX: should we kill the mark too? Possibly, but maybe that
874 * should be a similar check.
875 */
876 CLEAR_SELECTION ();
877 }
878
879 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 880 {
866 if (screen.flags & Screen_WrapNext) { 881 scr_do_wrap ();
867 screen.tlen[row] = -1; 882
868 if (screen.cur.row == screen.bscroll) 883 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 884 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 885
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; 886 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 887 line = &ROW(row); /* _must_ refresh */
888 }
889
890 // some utf-8 decoders "decode" surrogate characters: let's fix this.
891 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
892 c = 0xfffd;
893
894 // rely on wcwidth to tell us the character width, do wcwidth before
895 // further replacements, as wcwidth might return -1 for the line
896 // drawing characters below as they might be invalid in the current
897 // locale.
898 int width = WCWIDTH (c);
899
900 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 901 {
877 if (screen.flags & Screen_Insert) 902 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 903 // 5f-7e standard vt100
904 // 40-5e rxvt extension for extra curses acs chars
905 static uint16_t vt100_0[62] = { // 41 .. 7e
906 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
907 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
908 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
909 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
910 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
911 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
912 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
913 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
914 };
879 915
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 916 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 917 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 918 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 919 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 } 920 }
921 }
895 922
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 923 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 924 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 925
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 926 if (width != 0)
927 {
928#if !UNICODE_3
929 // trim characters we can't store directly :(
930 if (c >= 0x10000)
931# if ENABLE_COMBINING
932 c = rxvt_composite.compose (c); // map to lower 16 bits
933# else
934 c = 0xfffd;
935# endif
936#endif
937
938 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
939
940 // if the character doesn't fit into the remaining columns...
941 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
942 {
943 if (screen.flags & Screen_Autowrap)
944 {
945 // ... artificially enlargen the previous one
946 c = NOCHAR;
947 // and try the same character next loop iteration
948 --str;
949 }
950 else
951 screen.cur.col = ncol - width;
952 }
953
954 // nuke the character at this position, if required
955 // due to wonderful coincidences everywhere else in this loop
956 // we never have to check for overwriting a wide char itself,
957 // only its tail.
958 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
959 scr_kill_char (*line, screen.cur.col);
960
961 line->touch ();
962
902 do 963 do
903 { 964 {
904 stp[screen.cur.col] = c; 965 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 966 line->r[screen.cur.col] = rend;
906 967
907 if (screen.cur.col < last_col - 1) 968 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 969 screen.cur.col++;
909 else 970 else
910 { 971 {
911 screen.tlen[row] = last_col; 972 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 973 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 974 screen.flags |= Screen_WrapNext;
914 break; 975
976 goto end_of_line;
915 } 977 }
916 978
917 c = NOCHAR; 979 c = NOCHAR;
918 } 980 }
919 while (--width > 0); 981 while (ecb_unlikely (--width > 0));
982
983 // pad with spaces when overwriting wide character with smaller one
984 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
985 {
986 line->t[c] = ' ';
987 line->r[c] = rend;
988 }
989
990end_of_line:
991 ;
992 }
993#if ENABLE_COMBINING
994 else // width == 0
995 {
996 if (c != 0xfeff) // ignore BOM
997 {
998 // handle combining characters
999 // we just tag the accent on the previous on-screen character.
1000 // this is arguably not correct, but also arguably not wrong.
1001 // we don't handle double-width characters nicely yet.
1002 line_t *linep;
1003 text_t *tp;
1004 rend_t *rp;
1005
1006 if (screen.cur.col > 0)
1007 {
1008 linep = line;
1009 tp = line->t + screen.cur.col - 1;
1010 rp = line->r + screen.cur.col - 1;
1011 }
1012 else if (screen.cur.row > 0
1013 && ROW(screen.cur.row - 1).is_longer ())
1014 {
1015 linep = &ROW(screen.cur.row - 1);
1016 tp = line->t + ncol - 1;
1017 rp = line->r + ncol - 1;
1018 }
920 else 1019 else
921 (void)0; /* handle combining character etc. here. */ 1020 continue;
922 }
923 1021
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1022 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1023
927/* 1024 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1025 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 1026
935#ifdef DEBUG_STRICT 1027 // first try to find a precomposed character
1028 unicode_t n = rxvt_compose (*tp, c);
1029 if (n == NOCHAR)
1030 n = rxvt_composite.compose (*tp, c);
1031
1032 *tp = n;
1033 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1034 }
1035 }
1036#endif
1037 }
1038
1039 max_it (line->l, screen.cur.col);
1040
936 assert(screen.cur.row >= 0); 1041 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1042}
941 1043
942/* ------------------------------------------------------------------------- */ 1044/* ------------------------------------------------------------------------- */
943/* 1045/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1046 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1047 * XTERM_SEQ: CTRL-H
946 */ 1048 */
947void 1049void
948rxvt_term::scr_backspace () 1050rxvt_term::scr_backspace () NOTHROW
949{ 1051{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1052 if (screen.cur.col == 0)
1053 {
952 if (screen.cur.row > 0) { 1054 if (screen.cur.row > 0)
1055 {
953#ifdef TERMCAP_HAS_BW 1056#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1057 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1058 --screen.cur.row;
956 return; 1059
1060 want_refresh = 1;
957#endif 1061#endif
958 } 1062 }
1063 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1064 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1065 screen.flags &= ~Screen_WrapNext;
1066 else
1067 scr_gotorc (0, -1, RELATIVE);
962} 1068}
963 1069
964/* ------------------------------------------------------------------------- */ 1070/* ------------------------------------------------------------------------- */
965/* 1071/*
966 * Process Horizontal Tab 1072 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1073 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1074 * XTERM_SEQ: CTRL-I
969 */ 1075 */
970void 1076void
971rxvt_term::scr_tab (int count) 1077rxvt_term::scr_tab (int count, bool ht) NOTHROW
972{ 1078{
973 int i, x; 1079 int i, x;
974 1080
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1081 want_refresh = 1;
977 i = x = screen.cur.col; 1082 i = x = screen.cur.col;
1083
978 if (count == 0) 1084 if (count == 0)
979 return; 1085 return;
980 else if (count > 0) { 1086 else if (count > 0)
1087 {
1088 line_t &l = ROW(screen.cur.row);
1089 rend_t base_rend = l.r[i];
1090 ht &= l.t[i] == ' ';
1091
981 for (; ++i < TermWin.ncol; ) 1092 for (; ++i < ncol; )
982 if (tabs[i]) { 1093 if (tabs[i])
1094 {
983 x = i; 1095 x = i;
1096
984 if (!--count) 1097 if (!--count)
985 break; 1098 break;
1099 }
1100 else
1101 ht &= l.t[i] == ' '
1102 && RS_SAME (l.r[i], base_rend);
1103
1104 if (count)
1105 x = ncol - 1;
1106
1107 // store horizontal tab commands as characters inside the text
1108 // buffer so they can be selected and pasted.
1109 if (ht && option (Opt_pastableTabs))
1110 {
1111 base_rend = SET_FONT (base_rend, 0);
1112
1113 l.touch (x);
1114
1115 i = screen.cur.col;
1116
1117 l.t[i] = '\t';
1118 l.r[i] = base_rend;
1119
1120 while (++i < x)
1121 {
1122 l.t[i] = NOCHAR;
1123 l.r[i] = base_rend;
986 } 1124 }
987 if (count) 1125 }
988 x = TermWin.ncol - 1; 1126 }
989 } else /* if (count < 0) */ { 1127 else /* if (count < 0) */
1128 {
990 for (; --i >= 0; ) 1129 for (; --i >= 0; )
991 if (tabs[i]) { 1130 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1131 {
996 if (count)
997 x = 0; 1132 x = i;
1133 if (!++count)
1134 break;
1135 }
1136
1137 if (count)
1138 x = 0;
998 } 1139 }
1140
999 if (x != screen.cur.col) 1141 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1142 scr_gotorc (0, x, R_RELATIVE);
1001} 1143}
1002 1144
1003/* ------------------------------------------------------------------------- */ 1145/* ------------------------------------------------------------------------- */
1004/* 1146/*
1005 * Process DEC Back Index 1147 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1148 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1149 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1150 * in that row right. Clear left column.
1009 */ 1151 */
1010#ifndef NO_FRILLS 1152#if !ENABLE_MINIMAL
1011void 1153void ecb_cold
1012rxvt_term::scr_backindex () 1154rxvt_term::scr_backindex () NOTHROW
1013{ 1155{
1014 if (screen.cur.col > 0) 1156 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1157 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1158 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1159 scr_insdel_chars (1, INSERT);
1020 }
1021} 1160}
1022#endif 1161#endif
1023/* ------------------------------------------------------------------------- */ 1162/* ------------------------------------------------------------------------- */
1024/* 1163/*
1025 * Process DEC Forward Index 1164 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1165 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1166 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1167 * in that row left. Clear right column.
1029 */ 1168 */
1030#ifndef NO_FRILLS 1169#if !ENABLE_MINIMAL
1031void 1170void ecb_cold
1032rxvt_term::scr_forwardindex () 1171rxvt_term::scr_forwardindex () NOTHROW
1033{ 1172{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1173 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1174 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1175 else
1039 row = screen.cur.row + TermWin.saveLines; 1176 {
1040 if (screen.tlen[row] == 0) 1177 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1178
1042 else if (screen.tlen[row] == -1) 1179 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1180 l.is_longer (0);
1181
1044 scr_gotorc (0, 0, R_RELATIVE); 1182 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1183 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1184 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1185 }
1048} 1186}
1049#endif 1187#endif
1050 1188
1051/* ------------------------------------------------------------------------- */ 1189/* ------------------------------------------------------------------------- */
1052/* 1190/*
1053 * Goto Row/Column 1191 * Goto Row/Column
1054 */ 1192 */
1055void 1193void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1194rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1057{ 1195{
1058 want_refresh = 1; 1196 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1197 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1198
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) 1199 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1200 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 1201
1072 screen.flags &= ~Screen_WrapNext; 1202 screen.flags &= ~Screen_WrapNext;
1203
1073 if (relative & R_RELATIVE) { 1204 if (relative & R_RELATIVE)
1205 {
1074 if (row > 0) { 1206 if (row > 0)
1207 {
1075 if (screen.cur.row <= screen.bscroll 1208 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1209 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1210 screen.cur.row = screen.bscroll;
1078 else 1211 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; 1212 screen.cur.row += row;
1213 }
1214 else if (row < 0)
1215 {
1216 if (screen.cur.row >= screen.tscroll
1217 && (screen.cur.row + row) < screen.tscroll)
1218 screen.cur.row = screen.tscroll;
1219 else
1220 screen.cur.row += row;
1221 }
1222 }
1223 else
1093 } 1224 {
1094 MAX_IT(screen.cur.row, 0); 1225 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1226 {
1096} 1227 /* relative origin mode */
1228 screen.cur.row = row + screen.tscroll;
1229 min_it (screen.cur.row, screen.bscroll);
1230 }
1231 else
1232 screen.cur.row = row;
1233 }
1097 1234
1235 clamp_it (screen.cur.row, 0, nrow - 1);
1236}
1237
1098/* ------------------------------------------------------------------------- */ 1238/* ------------------------------------------------------------------------- */
1099/* 1239/*
1100 * direction should be UP or DN 1240 * direction should be UP or DN
1101 */ 1241 */
1102void 1242void
1103rxvt_term::scr_index (enum page_dirn direction) 1243rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1104{ 1244{
1105 int dirn;
1106
1107 want_refresh = 1; 1245 want_refresh = 1;
1108 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110
1111 ZERO_SCROLLBACK(); 1246 ZERO_SCROLLBACK ();
1112 1247
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1248 screen.flags &= ~Screen_WrapNext;
1249
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1250 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1251 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1252 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1122 else 1253 else
1123 screen.cur.row += dirn; 1254 screen.cur.row += direction;
1124 MAX_IT(screen.cur.row, 0); 1255
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1256 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1257 selection_check (0);
1127} 1258}
1128 1259
1129/* ------------------------------------------------------------------------- */ 1260/* ------------------------------------------------------------------------- */
1130/* 1261/*
1131 * Erase part or whole of a line 1262 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1263 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1264 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1265 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1266 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1267 */
1136void 1268void
1137rxvt_term::scr_erase_line (int mode) 1269rxvt_term::scr_erase_line (int mode) NOTHROW
1138{ 1270{
1139 unsigned int row, col, num; 1271 unsigned int col, num;
1140 1272
1141 want_refresh = 1; 1273 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1274 ZERO_SCROLLBACK ();
1144 1275
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1276 selection_check (1);
1151 1277
1152 screen.flags &= ~Screen_WrapNext; 1278 line_t &line = ROW(screen.cur.row);
1153 1279
1154 row = TermWin.saveLines + screen.cur.row; 1280 line.touch ();
1281 line.is_longer (0);
1282
1155 switch (mode) 1283 switch (mode)
1156 { 1284 {
1285 case 3:
1286 if (screen.flags & Screen_WrapNext)
1287 return;
1288
1289 /* fall through */
1290
1157 case 0: /* erase to end of line */ 1291 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1292 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1293 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1294 min_it (line.l, col);
1295
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1296 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1297 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1298 CLEAR_SELECTION ();
1164 break; 1299 break;
1300
1165 case 1: /* erase to beginning of line */ 1301 case 1: /* erase to beginning of line */
1166 col = 0; 1302 col = 0;
1167 num = screen.cur.col + 1; 1303 num = screen.cur.col + 1;
1304
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1305 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1306 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1307 CLEAR_SELECTION ();
1171 break; 1308 break;
1309
1172 case 2: /* erase whole line */ 1310 case 2: /* erase whole line */
1173 col = 0; 1311 col = 0;
1174 num = TermWin.ncol; 1312 num = ncol;
1175 screen.tlen[row] = 0; 1313 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1314 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1315 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1316 CLEAR_SELECTION ();
1179 break; 1317 break;
1180 default: 1318 default:
1181 return; 1319 return;
1182 } 1320 }
1183 1321
1184 if (screen.text[row]) 1322 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} 1323}
1190 1324
1191/* ------------------------------------------------------------------------- */ 1325/* ------------------------------------------------------------------------- */
1192/* 1326/*
1193 * Erase part of whole of the screen 1327 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1328 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1329 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1330 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1331 */
1198void 1332void
1199rxvt_term::scr_erase_screen (int mode) 1333rxvt_term::scr_erase_screen (int mode) NOTHROW
1200{ 1334{
1201 int num; 1335 int num;
1202 int32_t row, row_offset; 1336 int32_t row;
1203 rend_t ren; 1337 rend_t ren;
1204 XGCValues gcvalue; 1338 XGCValues gcvalue;
1205 1339
1206 want_refresh = 1; 1340 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1341 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1342
1211 switch (mode) { 1343 switch (mode)
1344 {
1212 case 0: /* erase to end of screen */ 1345 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1346 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1347 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1348 num = nrow - row;
1217 break; 1349 break;
1218 case 1: /* erase to beginning of screen */ 1350 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1351 scr_erase_line (1);
1221 row = 0; 1352 row = 0;
1222 num = screen.cur.row; 1353 num = screen.cur.row;
1223 break; 1354 break;
1224 case 2: /* erase whole screen */ 1355 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1356 row = 0;
1230 num = TermWin.nrow; 1357 num = nrow;
1231 break; 1358 break;
1232 default: 1359 default:
1233 return; 1360 return;
1234 } 1361 }
1235 refresh_type |= REFRESH_BOUNDS; 1362
1236 if (selection.op && current_screen == selection.screen 1363 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1364 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1365 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1366 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1367 CLEAR_SELECTION ();
1368
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1369 if (row >= nrow) /* Out Of Bounds */
1242 return; 1370 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1371
1372 min_it (num, nrow - row);
1373
1244 if (rstyle & (RS_RVid | RS_Uline)) 1374 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1375 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1376 else if (GET_BASEBG (rstyle) == Color_bg)
1377 {
1247 ren = DEFAULT_RSTYLE; 1378 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1379
1249 } else { 1380 if (mapped)
1381 XClearArea (dpy, vt, 0,
1382 Row2Pixel (row - view_start), (unsigned int)vt_width,
1383 (unsigned int)Height2Pixel (num), False);
1384 }
1385 else
1386 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1387 ren = rstyle & (RS_fgMask | RS_bgMask);
1388
1389 if (mapped)
1390 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1391 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1392 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1393 XFillRectangle (dpy, vt, gc,
1394 0, Row2Pixel (row - view_start),
1395 (unsigned int)vt_width,
1396 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1397 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1398 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1399 }
1256 } 1400 }
1401
1257 for (; num--; row++) { 1402 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 } 1403 {
1404 scr_blank_screen_mem (ROW(row), rstyle);
1405
1406 if (row - view_start < nrow)
1407 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1408 }
1264} 1409}
1410
1411#if !ENABLE_MINIMAL
1412void
1413rxvt_term::scr_erase_savelines () NOTHROW
1414{
1415 want_refresh = 1;
1416 ZERO_SCROLLBACK ();
1417
1418 top_row = 0;
1419}
1420#endif
1265 1421
1266/* ------------------------------------------------------------------------- */ 1422/* ------------------------------------------------------------------------- */
1267/* 1423/*
1268 * Fill the screen with `E's 1424 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1425 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1426 */
1271void 1427void ecb_cold
1272rxvt_term::scr_E () 1428rxvt_term::scr_E () NOTHROW
1273{ 1429{
1274 int i, j, k; 1430 rend_t fs;
1275 rend_t *r1, fs;
1276 1431
1277 want_refresh = 1; 1432 want_refresh = 1;
1433 ZERO_SCROLLBACK ();
1434
1278 num_scr_allow = 0; 1435 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1436
1437 row_col_t pos;
1438 pos.row = pos.col = 0;
1439 if (ROWCOL_IS_AFTER (selection.end, pos))
1440 CLEAR_SELECTION ();
1441
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1442 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1443 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1444 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1445 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1446
1447 fill_text (line.t, 'E', ncol);
1448 rend_t *r1 = line.r;
1449
1450 for (int j = ncol; j--; )
1287 *r1++ = fs; 1451 *r1++ = fs;
1452
1453 line.is_longer (0);
1454 line.touch (ncol);
1288 } 1455 }
1289} 1456}
1290 1457
1291/* ------------------------------------------------------------------------- */ 1458/* ------------------------------------------------------------------------- */
1292/* 1459/*
1293 * Insert/Delete <count> lines 1460 * Insert/Delete <count> lines
1294 */ 1461 */
1295void 1462void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1463rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1297{ 1464{
1298 int end; 1465 int end;
1299 1466
1300 ZERO_SCROLLBACK(); 1467 ZERO_SCROLLBACK ();
1301 1468
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1469 selection_check (1);
1308 1470
1309 if (screen.cur.row > screen.bscroll) 1471 if (screen.cur.row > screen.bscroll)
1472 return;
1473
1474 end = screen.bscroll - screen.cur.row + 1;
1475 if (count > end)
1476 {
1477 if (insdel == DELETE)
1310 return; 1478 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) 1479 else if (insdel == INSERT)
1317 count = end; 1480 count = end;
1318 } 1481 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1482
1483 scr_do_wrap ();
1484
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1485 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1486}
1323 1487
1324/* ------------------------------------------------------------------------- */ 1488/* ------------------------------------------------------------------------- */
1325/* 1489/*
1326 * Insert/Delete <count> characters from the current position 1490 * Insert/Delete <count> characters from the current position
1327 */ 1491 */
1328void 1492void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1493rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1330{ 1494{
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; 1495 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1496 ZERO_SCROLLBACK ();
1339 1497
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1498 if (count <= 0)
1346 return; 1499 return;
1347 1500
1501 scr_do_wrap ();
1502
1348 selection_check (1); 1503 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1504 min_it (count, ncol - screen.cur.col);
1350 1505
1351 row = screen.cur.row + TermWin.saveLines; 1506 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1507
1354 stp = screen.text[row]; 1508 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1509
1356 slp = &(screen.tlen[row]); 1510 line->touch ();
1511 line->is_longer (0);
1512
1513 // nuke wide spanning the start
1514 if (line->t[screen.cur.col] == NOCHAR)
1515 scr_kill_char (*line, screen.cur.col);
1516
1357 switch (insdel) { 1517 switch (insdel)
1518 {
1358 case INSERT: 1519 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1520 line->l = min (line->l + count, ncol);
1360 col--) { 1521
1522 if (line->t[screen.cur.col] == NOCHAR)
1523 scr_kill_char (*line, screen.cur.col);
1524
1525 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1526 {
1361 stp[col] = stp[col - count]; 1527 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1528 line->r[col] = line->r[col - count];
1363 } 1529 }
1364 if (*slp != -1) { 1530
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1531 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1532 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1533 {
1370 if (selection.end.row != screen.cur.row 1534 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1535 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1536 CLEAR_SELECTION ();
1537 else
1538 {
1373 else { /* shift selection */ 1539 /* shift selection */
1374 selection.beg.col += count; 1540 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1541 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1542 selection.end.col += count;
1377 } 1543 }
1378 } 1544 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1545
1380 (unsigned int)count, rstyle); 1546 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1547 break;
1548
1382 case ERASE: 1549 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1550 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1551 selection_check (1);
1385 screen.cur.col -= count; 1552 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1553
1387 (unsigned int)count, rstyle); 1554 // nuke wide char after the end
1555 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1556 scr_kill_char (*line, screen.cur.col + count);
1557
1558 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1559 break;
1560
1389 case DELETE: 1561 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1562 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1563
1564 // nuke wide char spanning the end
1565 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1566 scr_kill_char (*line, screen.cur.col + count);
1567
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1568 for (int col = screen.cur.col; (col + count) < ncol; col++)
1569 {
1393 stp[col] = stp[col + count]; 1570 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1571 line->r[col] = line->r[col + count];
1395 } 1572 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1573
1397 &(srp[TermWin.ncol - count]), 1574 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1575
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 1576 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1577 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1578 {
1405 if (selection.end.row != screen.cur.row 1579 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1580 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1581 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1582 CLEAR_SELECTION ();
1409 else { 1583 else
1584 {
1410 /* shift selection */ 1585 /* shift selection */
1411 selection.beg.col -= count; 1586 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1587 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1588 selection.end.col -= count;
1414 } 1589 }
1415 } 1590 }
1591
1416 break; 1592 break;
1417 } 1593 }
1418} 1594}
1419 1595
1420/* ------------------------------------------------------------------------- */ 1596/* ------------------------------------------------------------------------- */
1421/* 1597/*
1422 * Set the scrolling region 1598 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1599 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1600 */
1425void 1601void ecb_cold
1426rxvt_term::scr_scroll_region (int top, int bot) 1602rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1427{ 1603{
1428 MAX_IT(top, 0); 1604 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1605 min_it (bot, nrow - 1);
1606
1430 if (top > bot) 1607 if (top > bot)
1431 return; 1608 return;
1609
1432 screen.tscroll = top; 1610 screen.tscroll = top;
1433 screen.bscroll = bot; 1611 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1612 scr_gotorc (0, 0, 0);
1435} 1613}
1436 1614
1437/* ------------------------------------------------------------------------- */ 1615/* ------------------------------------------------------------------------- */
1438/* 1616/*
1439 * Make the cursor visible/invisible 1617 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1618 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1619 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1620 */
1443void 1621void ecb_cold
1444rxvt_term::scr_cursor_visible (int mode) 1622rxvt_term::scr_cursor_visible (int mode) NOTHROW
1445{ 1623{
1446 want_refresh = 1; 1624 want_refresh = 1;
1625
1447 if (mode) 1626 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1627 screen.flags |= Screen_VisibleCursor;
1449 else 1628 else
1450 screen.flags &= ~Screen_VisibleCursor; 1629 screen.flags &= ~Screen_VisibleCursor;
1451} 1630}
1452 1631
1453/* ------------------------------------------------------------------------- */ 1632/* ------------------------------------------------------------------------- */
1454/* 1633/*
1455 * Set/unset automatic wrapping 1634 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1635 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1636 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1637 */
1459void 1638void ecb_cold
1460rxvt_term::scr_autowrap (int mode) 1639rxvt_term::scr_autowrap (int mode) NOTHROW
1461{ 1640{
1462 if (mode) 1641 if (mode)
1463 screen.flags |= Screen_Autowrap; 1642 screen.flags |= Screen_Autowrap;
1464 else 1643 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1644 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1645}
1467 1646
1468/* ------------------------------------------------------------------------- */ 1647/* ------------------------------------------------------------------------- */
1469/* 1648/*
1470 * Set/unset margin origin mode 1649 * Set/unset margin origin mode
… …
1473 * Relative mode: line numbers are relative to top margin of scrolling region 1652 * Relative mode: line numbers are relative to top margin of scrolling region
1474 * and the cursor cannot be moved outside. 1653 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1654 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1655 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1656 */
1478void 1657void ecb_cold
1479rxvt_term::scr_relative_origin (int mode) 1658rxvt_term::scr_relative_origin (int mode) NOTHROW
1480{ 1659{
1481 if (mode) 1660 if (mode)
1482 screen.flags |= Screen_Relative; 1661 screen.flags |= Screen_Relative;
1483 else 1662 else
1484 screen.flags &= ~Screen_Relative; 1663 screen.flags &= ~Screen_Relative;
1664
1485 scr_gotorc (0, 0, 0); 1665 scr_gotorc (0, 0, 0);
1486} 1666}
1487 1667
1488/* ------------------------------------------------------------------------- */ 1668/* ------------------------------------------------------------------------- */
1489/* 1669/*
1490 * Set insert/replace mode 1670 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1671 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1672 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1673 */
1494void 1674void ecb_cold
1495rxvt_term::scr_insert_mode (int mode) 1675rxvt_term::scr_insert_mode (int mode) NOTHROW
1496{ 1676{
1497 if (mode) 1677 if (mode)
1498 screen.flags |= Screen_Insert; 1678 screen.flags |= Screen_Insert;
1499 else 1679 else
1500 screen.flags &= ~Screen_Insert; 1680 screen.flags &= ~Screen_Insert;
1501} 1681}
1502 1682
1503/* ------------------------------------------------------------------------- */ 1683/* ------------------------------------------------------------------------- */
1504/* 1684/*
1505 * Set/Unset tabs 1685 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1686 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1687 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1688 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1689 */
1510void 1690void ecb_cold
1511rxvt_term::scr_set_tab (int mode) 1691rxvt_term::scr_set_tab (int mode) NOTHROW
1512{ 1692{
1513 if (mode < 0) 1693 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1694 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1695 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1696 tabs [screen.cur.col] = !!mode;
1517} 1697}
1518 1698
1519/* ------------------------------------------------------------------------- */ 1699/* ------------------------------------------------------------------------- */
1520/* 1700/*
1521 * Set reverse/normal video 1701 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1702 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1703 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1704 */
1525void 1705void
1526rxvt_term::scr_rvideo_mode (int mode) 1706rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1527{ 1707{
1708 rvideo_mode = on;
1709
1710#ifndef NO_BELL
1711 on ^= rvideo_bell;
1712#endif
1713
1714 if (rvideo_state != on)
1715 {
1716 rvideo_state = on;
1717
1718 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1719#ifdef HAVE_IMG
1720 if (bg_img == 0)
1721#endif
1722 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1723
1528 XGCValues gcvalue; 1724 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]; 1725 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1726 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1727 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1728
1546 scr_clear (); 1729 scr_clear ();
1547 scr_touch (true); 1730 scr_touch (true);
1548 } 1731 }
1549} 1732}
1550 1733
1551/* ------------------------------------------------------------------------- */ 1734/* ------------------------------------------------------------------------- */
1552/* 1735/*
1553 * Report current cursor position 1736 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1737 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1738 */
1556void 1739void ecb_cold
1557rxvt_term::scr_report_position () 1740rxvt_term::scr_report_position () NOTHROW
1558{ 1741{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1742 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1743}
1561 1744
1562/* ------------------------------------------------------------------------- * 1745/* ------------------------------------------------------------------------- *
1563 * FONTS * 1746 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1747 * ------------------------------------------------------------------------- */
1565 1748
1566/* 1749/*
1567 * Set font style 1750 * Set font style
1568 */ 1751 */
1569void 1752void ecb_cold
1570rxvt_term::set_font_style () 1753rxvt_term::set_font_style () NOTHROW
1571{ 1754{
1755#if 0
1572 switch (charsets[screen.charset]) { 1756 switch (charsets [screen.charset])
1757 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1758 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1759 break;
1575 case 'A': /* United Kingdom (UK) */ 1760 case 'A': /* United Kingdom (UK) */
1576 break; 1761 break;
1577 case 'B': /* United States (USASCII) */ 1762 case 'B': /* United States (USASCII) */
1578 break; 1763 break;
1579 case '<': /* Multinational character set */ 1764 case '<': /* Multinational character set */
1580 break; 1765 break;
1581 case '5': /* Finnish character set */ 1766 case '5': /* Finnish character set */
1582 break; 1767 break;
1583 case 'C': /* Finnish character set */ 1768 case 'C': /* Finnish character set */
1584 break; 1769 break;
1585 case 'K': /* German character set */ 1770 case 'K': /* German character set */
1586 break; 1771 break;
1587 } 1772 }
1773#endif
1588} 1774}
1589 1775
1590/* ------------------------------------------------------------------------- */ 1776/* ------------------------------------------------------------------------- */
1591/* 1777/*
1592 * Choose a font 1778 * Choose a font
1593 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1779 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1780 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1781 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1782 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1783 */
1598void 1784void ecb_cold
1599rxvt_term::scr_charset_choose (int set) 1785rxvt_term::scr_charset_choose (int set) NOTHROW
1600{ 1786{
1601 screen.charset = set; 1787 screen.charset = set;
1602 set_font_style (); 1788 set_font_style ();
1603} 1789}
1604 1790
1605/* ------------------------------------------------------------------------- */ 1791/* ------------------------------------------------------------------------- */
1606/* 1792/*
1607 * Set a font 1793 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1796 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1797 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1798 * See set_font_style for possible values for <C>
1613 */ 1799 */
1614void 1800void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1801rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1616{ 1802{
1617 charsets[set] = (unsigned char)ch; 1803 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1804 set_font_style ();
1619} 1805}
1620 1806
1621 1807
1622/* ------------------------------------------------------------------------- * 1808/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1809 * MAJOR SCREEN MANIPULATION *
1624 * ------------------------------------------------------------------------- */ 1810 * ------------------------------------------------------------------------- */
1625 1811
1626/* 1812/*
1627 * refresh matching text. 1813 * refresh matching text.
1628 */ 1814 */
1629bool 1815bool ecb_cold
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1816rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1631{ 1817{
1632 bool found = false; 1818 bool found = false;
1633 1819
1634 for (int i = 0; i < TermWin.nrow; i++) 1820 for (int i = 0; i < nrow; i++)
1635 { 1821 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1822 rend_t *drp = drawn_buf[i].r;
1638 1823
1639 for (; col < TermWin.ncol; col++, drp++) 1824 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1825 if ((*drp & mask) == value)
1641 { 1826 {
1642 found = true; 1827 found = true;
1643 *drp = ~value; 1828 *drp = ~value;
1644 } 1829 }
… …
1649 1834
1650/* 1835/*
1651 * Refresh an area 1836 * Refresh an area
1652 */ 1837 */
1653enum { 1838enum {
1654 PART_BEG = 0, 1839 PART_BEG = 0,
1655 PART_END, 1840 PART_END,
1656 RC_COUNT 1841 RC_COUNT
1657}; 1842};
1658 1843
1659void 1844void ecb_hot
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1845rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1661{ 1846{
1662 int i; 1847 int i;
1663 row_col_t rc[RC_COUNT]; 1848 row_col_t rc[RC_COUNT];
1664 1849
1665 if (drawn_text == NULL) /* sanity check */ 1850 if (!drawn_buf) /* sanity check */
1666 return; 1851 return;
1667 1852
1668#ifdef DEBUG_STRICT 1853#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1854 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1855 {
1671 y = max(y, (int)TermWin.int_bwidth); 1856 y = 0;
1672 y = min(y, (int)TermWin.height); 1857 eheight = height;
1858 }
1673#endif 1859#endif
1674 1860
1675/* round down */ 1861 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1862 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1863 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1864 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1865 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1866 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1867
1682/* sanity checks */ 1868 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1869 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1870 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1871 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1872 min_it (rc[i].row, nrow - 1);
1687 } 1873 }
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 1874
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1875 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1876 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)); 1877
1878 num_scr_allow = 0;
1694 1879
1695 if (refresh) 1880 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1881 scr_refresh ();
1697} 1882}
1698 1883
1699/* ------------------------------------------------------------------------- */ 1884/* ------------------------------------------------------------------------- */
1700/* 1885/*
1701 * Refresh the entire screen 1886 * Refresh the entire screen
1702 */ 1887 */
1703void 1888void
1704rxvt_term::scr_touch (bool refresh) 1889rxvt_term::scr_touch (bool refresh) NOTHROW
1705{ 1890{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1891 scr_expose (0, 0, vt_width, vt_height, refresh);
1707} 1892}
1708 1893
1709/* ------------------------------------------------------------------------- */ 1894/* ------------------------------------------------------------------------- */
1710/* 1895/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1896 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1897 * the top of the screen
1713 */ 1898 */
1714int 1899void
1715rxvt_term::scr_move_to (int y, int len) 1900rxvt_term::scr_move_to (int y, int len) NOTHROW
1716{ 1901{
1717 long p = 0; 1902 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} 1903}
1731 1904
1732/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1733/* 1906/*
1734 * Page the screen up/down nlines 1907 * Page the screen up/down nlines
1735 * direction should be UP or DN 1908 * direction should be UP or DN
1736 */ 1909 */
1737int 1910bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1911rxvt_term::scr_page (int nlines) NOTHROW
1739{ 1912{
1740 int n;
1741 uint16_t oldviewstart;
1742
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); 1913 return scr_changeview (view_start - nlines);
1756} 1914}
1757 1915
1758int 1916bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1917rxvt_term::scr_changeview (int new_view_start) NOTHROW
1760{ 1918{
1761 if (TermWin.view_start != oldviewstart) { 1919 clamp_it (new_view_start, top_row, 0);
1920
1921 if (new_view_start == view_start)
1922 return false;
1923
1924 num_scr += new_view_start - view_start;
1925 view_start = new_view_start;
1762 want_refresh = 1; 1926 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 1927
1772/* ------------------------------------------------------------------------- */ 1928 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1929
1774rxvt_term::scr_bell () 1930 return true;
1775{ 1931}
1932
1776#ifndef NO_BELL 1933#ifndef NO_BELL
1934void
1935rxvt_term::bell_cb (ev::timer &w, int revents)
1936{
1937 rvideo_bell = false;
1938 scr_rvideo_mode (rvideo_mode);
1939 refresh_check ();
1940}
1941#endif
1942
1943/* ------------------------------------------------------------------------- */
1944void
1945rxvt_term::scr_bell () NOTHROW
1946{
1947#ifndef NO_BELL
1948
1777# ifndef NO_MAPALERT 1949# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1950# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1951 if (option (Opt_mapAlert))
1780# endif 1952# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1953 XMapWindow (dpy, parent);
1782# endif 1954# endif
1783 if (Options & Opt_visualBell) { 1955
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1956# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1957 if (option (Opt_urgentOnBell))
1786 } else 1958 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1959# endif
1789}
1790 1960
1961 if (option (Opt_visualBell))
1962 {
1963 rvideo_bell = true;
1964 scr_rvideo_mode (rvideo_mode);
1965 flush ();
1966
1967 bell_ev.start (VISUAL_BELL_DURATION);
1968 }
1969 else
1970 XBell (dpy, 0);
1971 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1972#endif
1973}
1974
1791/* ------------------------------------------------------------------------- */ 1975/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1976void ecb_cold
1793void
1794rxvt_term::scr_printscreen (int fullhist) 1977rxvt_term::scr_printscreen (int fullhist) NOTHROW
1795{ 1978{
1796#ifdef PRINTPIPE 1979#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1980 int nrows, row_start;
1798 text_t *t; 1981 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1982
1801 if ((fd = popen_printer ()) == NULL) 1983 if (!fd)
1802 return; 1984 return;
1803 nrows = TermWin.nrow; 1985
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1986 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1987 {
1811 1988 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1989 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 1990 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 1991 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 1992 {
1993 nrows = nrow;
1994 row_start = view_start;
1995 }
1996
1997 wctomb (0, 0);
1998
1999 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2000 {
2001 text_t *tp = ROW(r1).t;
2002 int len = ROW(r1).l;
2003
2004 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2005 {
2006 char mb[MB_LEN_MAX];
2007 text_t t = *tp++;
2008 if (t == NOCHAR)
2009 continue;
2010
2011 len = wctomb (mb, t);
2012
2013 if (len <= 0)
2014 {
2015 mb[0] = ' ';
2016 len = 1;
2017 }
2018
2019 fwrite (mb, 1, len, fd);
2020 }
2021
2022 fputc ('\n', fd);
2023 }
2024
1819 pclose_printer (fd); 2025 pclose_printer (fd);
1820#endif 2026#endif
1821} 2027}
1822 2028
1823/* ------------------------------------------------------------------------- */ 2029/* ------------------------------------------------------------------------- */
1824/* 2030/*
1825 * Refresh the screen 2031 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2032 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2033 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2034 */
1829 2035void ecb_hot
1830#define FONT_WIDTH(X, Y) \ 2036rxvt_term::scr_refresh () NOTHROW
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
1840rxvt_term::scr_refresh (unsigned char refresh_type)
1841{ 2037{
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 */ 2038 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2039 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2040 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */ 2041 rend_t ccol1, /* Cursor colour */
2042 ccol2; /* Cursor colour2 */
2043 rend_t cur_rend;
2044 int cur_col;
2045 int cursorwidth;
2046
2047 want_refresh = 0; /* screen is current */
2048
2049 if (refresh_type == NO_REFRESH || !mapped)
2050 return;
2051
2052 /*
2053 * A: set up vars
2054 */
2055 refresh_count = 0;
2056
2057 unsigned int old_screen_flags = screen.flags;
2058 bool have_bg = 0;
2059#ifdef HAVE_IMG
2060 have_bg = bg_img != 0;
2061#endif
2062 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2063
2064 /*
2065 * B: reverse any characters which are selected
2066 */
2067 scr_reverse_selection ();
2068
2069 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2070#if ENABLE_OVERLAY
2071 scr_swap_overlay ();
2072#endif
2073
2074 bool showcursor = screen.flags & Screen_VisibleCursor;
2075
2076 /*
2077 * C: set the cursor character (s)
2078 */
2079 {
2080#ifdef CURSOR_BLINK
2081 if (hidden_cursor)
2082 showcursor = 0;
2083#endif
2084
2085 if (showcursor)
2086 {
2087 int col = screen.cur.col;
2088
2089 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2090 col--;
2091
2092 cursorwidth = 1;
2093 while (col + cursorwidth < ncol
2094 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2095 cursorwidth++;
2096
2097 cur_rend = ROW(screen.cur.row).r[col];
2098 cur_col = col;
2099
1852#ifndef NO_CURSORCOLOR 2100#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2101 if (ISSET_PIXCOLOR (Color_cursor))
1854#endif 2102 ccol1 = Color_cursor;
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1857
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1859 return;
1860
1861 /*
1862 * A: set up vars
1863 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0;
1867
1868 row_offset = TermWin.saveLines - TermWin.view_start;
1869
1870 if ((refresh_type & REFRESH_BOUNDS))
1871 {
1872 clearfirst = clearlast = 1;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875
1876#ifdef XPM_BACKGROUND
1877 must_clear |= (bgPixmap.pixmap != None);
1878#endif
1879#ifdef TRANSPARENT
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883
1884 /*
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888
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 { 2103 else
1908 cursorwidth++; 2104#endif
2105#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2106 ccol1 = fgcolor_of (rstyle);
2107#else
2108 ccol1 = Color_fg;
2109#endif
1909 2110
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 2111#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2112 if (ISSET_PIXCOLOR (Color_cursor2))
1919 ccol1 = Color_cursor; 2113 ccol2 = Color_cursor2;
1920 else 2114 else
2115#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2116#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2117 ccol2 = bgcolor_of (rstyle);
1923#else 2118#else
1924 ccol1 = Color_fg; 2119 ccol2 = Color_bg;
1925#endif 2120#endif
1926 if (ISSET_PIXCOLOR (Color_cursor2)) 2121
1927 ccol2 = Color_cursor2; 2122 if (focus)
2123 {
2124 rend_t rend = cur_rend;
2125
2126 if (option (Opt_cursorUnderline))
2127 rend ^= RS_Uline;
1928 else 2128 else
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle);
1931#else
1932 ccol2 = Color_bg;
1933#endif
1934 *srp = SET_FGCOLOR(*srp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2);
1936#endif
1937 } 2129 {
1938 } 2130 rend ^= RS_RVid;
1939 2131 rend = SET_FGCOLOR (rend, ccol1);
1940 /* make sure no outline cursor is left around */ 2132 rend = SET_BGCOLOR (rend, ccol2);
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 } 2133 }
1949 if (TermWin.focus || !showcursor) 2134
1950 oldcursor.row = -1; 2135 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
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 } 2136 }
1963 } 2137 }
2138
2139 /* make sure no outline cursor is left around */
2140 if (ocrow != -1)
2141 {
2142 if (screen.cur.row - view_start != ocrow
2143 || screen.cur.col != oldcursor.col)
2144 {
2145 if (ocrow < nrow
2146 && oldcursor.col < ncol)
2147 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2148 }
1964 } 2149 }
2150
2151 // save the current cursor coordinates if the cursor is visible
2152 // and the window is unfocused, so as to clear the outline cursor
2153 // in the next refresh if the cursor moves
2154 if (showcursor && !focus && screen.cur.row - view_start < nrow)
2155 {
2156 oldcursor.row = screen.cur.row - view_start;
2157 oldcursor.col = screen.cur.col;
2158 }
2159 else
2160 oldcursor.row = -1;
2161 }
1965 2162
1966#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2164 /*
1968 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
1970 */ 2167 */
1971 i = num_scr; 2168 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
1974 { 2171 {
1975 int16_t nits; 2172 int16_t nits;
1976 int j; 2173 int i = num_scr;
1977 rend_t *drp2; 2174 int j;
1978 text_t *dtp2; 2175 int len, wlen;
1979 int len, wlen;
1980 2176
1981 j = TermWin.nrow; 2177 j = nrow;
1982 wlen = len = -1; 2178 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2182 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2184 {
1988 stp = screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2186 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2188
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2191 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2192 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2193 nits++;
2000 2194
2001 if (nits > 8) /* XXX: arbitrary choice */ 2195 if (nits > 8) /* XXX: arbitrary choice */
2196 {
2197 for (col = ncol; col--; )
2198 {
2199 *d.t++ = *d2.t++;
2200 *d.r++ = *d2.r++;
2201 }
2202
2203 if (len == -1)
2204 len = row;
2205
2206 wlen = row;
2207 continue;
2208 }
2209 }
2210
2211 if (len >= 0)
2212 {
2213 /* also comes here at end if needed because of >= above */
2214 if (wlen < len)
2215 ::swap (wlen, len);
2216
2217 XGCValues gcv;
2218
2219 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2220 XCopyArea (dpy, vt, vt,
2221 gc, 0, Row2Pixel (len + i),
2222 (unsigned int)this->width,
2223 (unsigned int)Height2Pixel (wlen - len + 1),
2224 0, Row2Pixel (len));
2225 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2226
2227 len = -1;
2228 }
2229 }
2230 }
2231#endif
2232
2233 /*
2234 * E: main pass across every character
2235 */
2236 for (row = 0; row < nrow; row++)
2237 {
2238 text_t *stp = ROW(view_start + row).t;
2239 rend_t *srp = ROW(view_start + row).r;
2240 text_t *dtp = drawn_buf[row].t;
2241 rend_t *drp = drawn_buf[row].r;
2242
2243 /*
2244 * E2: OK, now the real pass
2245 */
2246 int ypixel = (int)Row2Pixel (row);
2247
2248 for (col = 0; col < ncol; col++)
2249 {
2250 /* compare new text with old - if exactly the same then continue */
2251 if (stp[col] == dtp[col] /* Must match characters to skip. */
2252 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2253 || (stp[col] == ' ' /* space w/ no background change */
2254 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2255 continue;
2256
2257 // redraw one or more characters
2258
2259 // seek to the beginning of wide characters
2260 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2261 --col;
2262
2263 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2264 text_t *text = stp + col;
2265 int count = 1;
2266
2267 dtp[col] = stp[col];
2268 drp[col] = rend;
2269
2270 int xpixel = Col2Pixel (col);
2271
2272 for (i = 0; ++col < ncol; )
2273 {
2274 if (stp[col] == NOCHAR)
2275 {
2276 dtp[col] = stp[col];
2277 drp[col] = srp[col];
2278
2279 count++;
2280 i++;
2281
2282 continue;
2283 }
2284
2285 if (!RS_SAME (rend, srp[col]))
2286 break;
2287
2288 count++;
2289
2290 if (stp[col] != dtp[col]
2291 || !RS_SAME (srp[col], drp[col]))
2292 {
2293 if (have_bg && (i++ > count / 2))
2294 break;
2295
2296 dtp[col] = stp[col];
2297 drp[col] = rend;
2298 i = 0;
2299 }
2300 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2301 break;
2302 }
2303
2304 col--; /* went one too far. move back */
2305 count -= i; /* dump any matching trailing chars */
2306
2307 // sometimes we optimize away the trailing NOCHAR's, add them back
2308 while (ecb_unlikely (i && text[count] == NOCHAR))
2309 count++, i--;
2310
2311 /*
2312 * Determine the attributes for the string
2313 */
2314 int fore = fgcolor_of (rend); // desired foreground
2315 int back = bgcolor_of (rend); // desired background
2316
2317 // only do special processing if any attributes are set, which is unlikely
2318 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2319 {
2320 bool invert = rend & RS_RVid;
2321
2322#ifndef NO_BOLD_UNDERLINE_REVERSE
2323 if (rend & RS_Bold && fore == Color_fg)
2324 {
2325 if (ISSET_PIXCOLOR (Color_BD))
2326 fore = Color_BD;
2327# if !ENABLE_STYLES
2328 else
2329 invert = !invert;
2330# endif
2331 }
2332
2333 if (rend & RS_Italic && fore == Color_fg)
2334 {
2335 if (ISSET_PIXCOLOR (Color_IT))
2336 fore = Color_IT;
2337# if !ENABLE_STYLES
2338 else
2339 invert = !invert;
2340# endif
2341 }
2342
2343 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2344 fore = Color_UL;
2345#endif
2346
2347#ifdef OPTION_HC
2348 if (rend & RS_Sel)
2349 {
2350 /* invert the column if no highlightColor is set or it is the
2351 * current cursor column */
2352 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2353 && ISSET_PIXCOLOR (Color_HC))
2354 {
2355 if (ISSET_PIXCOLOR (Color_HTC))
2356 fore = Color_HTC;
2357 // if invert is 0 reverse video is set so we use bg color as fg color
2358 else if (!invert)
2359 fore = back;
2360
2361 back = Color_HC;
2362 invert = 0;
2363 }
2364 }
2365#endif
2366
2367 if (invert)
2368 {
2369 ::swap (fore, back);
2370
2371#ifndef NO_BOLD_UNDERLINE_REVERSE
2372 if (fore == back)
2373 {
2374 fore = Color_bg;
2375 back = Color_fg;
2376 }
2377#endif
2378 }
2379
2380#ifdef TEXT_BLINK
2381 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2382 {
2383 if (!text_blink_ev.is_active ())
2384 {
2385 text_blink_ev.again ();
2386 hidden_text = 0;
2387 }
2388 else if (hidden_text)
2389 fore = back;
2390 }
2391#endif
2392
2393#if ENABLE_STYLES
2394 // "careful" (too wide) character handling
2395
2396 // include previous careful character(s) if possible, looks nicer (best effort...)
2397 while (text > stp
2398 && srp[text - stp - 1] & RS_Careful
2399 && RS_SAME (rend, srp[text - stp - 1]))
2400 text--, count++, xpixel -= fwidth;
2401
2402 // force redraw after "careful" characters to avoid pixel droppings
2403 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2404 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2405
2406 // force redraw before "careful" characters to avoid pixel droppings
2407 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2408 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2409#endif
2410 }
2411
2412 /*
2413 * Actually do the drawing of the string here
2414 */
2415 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2416
2417 if (ecb_likely (have_bg && back == Color_bg))
2418 {
2419 // this is very ugly, maybe push it into ->draw?
2420
2421 for (i = 0; i < count; i++) /* don't draw empty strings */
2422 if (text[i] != ' ')
2002 { 2423 {
2003 for (col = TermWin.ncol; col--; ) 2424 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2425 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 } 2426 }
2427
2428 CLEAR_CHARS (xpixel, ypixel, count);
2429 did_clear: ;
2015 } 2430 }
2431 else
2432 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2433
2017 if (len != -1) 2434 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2435 {
2019 /* also comes here at end if needed because of >= above */ 2436 if (showcursor && focus && row == screen.cur.row
2020 if (wlen < len) 2437 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2021 SWAP_IT(wlen, len, int); 2438 XSetForeground (dpy, gc, pix_colors[ccol1]);
2439 else
2440#if ENABLE_FRILLS
2441 if (ISSET_PIXCOLOR (Color_underline))
2442 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2443 else
2444#endif
2445 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2446
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2447 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2448 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2449 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 } 2450 }
2031 } 2451 } /* for (col....) */
2032 } 2452 } /* for (row....) */
2033#endif
2034 2453
2035 /* 2454 /*
2036 * E: main pass across every character 2455 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2456 */
2038 for (row = 0; row < TermWin.nrow; row++) 2457 if (showcursor)
2039 { 2458 {
2040 stp = screen.text[row + row_offset]; 2459 if (focus)
2041 srp = screen.rend[row + row_offset]; 2460 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2042 dtp = drawn_text[row]; 2461 else if (oldcursor.row >= 0)
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 { 2462 {
2052 /* compare new text with old - if exactly the same then continue */ 2463 XSetForeground (dpy, gc, pix_colors[ccol1]);
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2054 2464
2055 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2465 XDrawRectangle (dpy, vt, gc,
2056 && (rend == drp[col] /* Either rendition the same or */ 2466 Col2Pixel (cur_col),
2057 || (stp[col] == ' ' /* space w/ no background change */ 2467 Row2Pixel (oldcursor.row),
2058 && GET_BGATTR(rend) == GET_BGATTR(drp[col])))) 2468 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2059 continue; 2469 (unsigned int) (Height2Pixel (1) - 1));
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 {
2078 if (stp[col] == NOCHAR)
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 } 2470 }
2471 }
2108 2472
2109 col--; /* went one too far. move back */ 2473 /*
2110 count -= i; /* dump any matching trailing chars */ 2474 * H: cleanup selection
2475 */
2476#if ENABLE_OVERLAY
2477 scr_swap_overlay ();
2478#endif
2479 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2111 2480
2112 /* 2481 scr_reverse_selection ();
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 2482
2119 rend = GET_ATTR (rend); 2483 screen.flags = old_screen_flags;
2484 num_scr = 0;
2485 num_scr_allow = 1;
2486}
2120 2487
2121 rvid = !!(rend & RS_RVid); 2488void ecb_cold
2122#ifdef TEXT_BLINK 2489rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2123 if (rend & RS_Blink) 2490{
2491 if (!l.valid ())
2492 return;
2493
2494 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2495
2496 for (int i = ncol; i--; )
2497 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2498}
2499
2500void ecb_cold
2501rxvt_term::scr_remap_chars () NOTHROW
2502{
2503 for (int i = total_rows; i--; )
2504 scr_remap_chars (row_buf [i]);
2505
2506 for (int i = nrow; i--; )
2507 {
2508 scr_remap_chars (drawn_buf [i]);
2509 scr_remap_chars (swap_buf [i]);
2510 }
2511}
2512
2513void ecb_cold
2514rxvt_term::scr_recolour (bool refresh) NOTHROW
2515{
2516 bool transparent = false;
2517
2518#ifdef HAVE_IMG
2519 if (bg_img != 0)
2520 {
2521# if ENABLE_TRANSPARENCY
2522 if (bg_flags & BG_IS_TRANSPARENT)
2124 { 2523 {
2125 if (!text_blink_ev.active) 2524 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2126 { 2525 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2127 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); 2526
2128 hidden_text = 0; 2527 transparent = true;
2129 }
2130 else if (hidden_text)
2131 fore = back;
2132 } 2528 }
2133#endif 2529 else
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
2141 && !ISSET_PIXCOLOR (Color_cursor)
2142# endif 2530# endif
2143 )
2144 back = Color_RV;
2145#endif
2146 }
2147#ifndef NO_BOLD_UNDERLINE_REVERSE
2148 else if (rend & RS_Bold)
2149 {
2150 if (ISSET_PIXCOLOR (Color_BD))
2151 fore = Color_BD;
2152 else if (fore == Color_fg)
2153 fore = Color_White;
2154 }
2155 else if (rend & RS_Uline)
2156 {
2157 if (ISSET_PIXCOLOR (Color_UL))
2158 fore = Color_UL;
2159 }
2160#endif
2161
2162 /*
2163 * Actually do the drawing of the string here
2164 */
2165 rxvt_font *font = (*TermWin.fontset)[fid];
2166
2167 if (back == fore)
2168 font->clear_rect (xpixel, ypixel,
2169 TermWin.fwidth * count, TermWin.fheight,
2170 back);
2171 else if (back == Color_bg)
2172 {
2173 if (must_clear)
2174 {
2175 CLEAR_CHARS (xpixel, ypixel, count);
2176
2177 for (i = 0; i < count; i++) /* don't draw empty strings */
2178 if (text[i] != ' ')
2179 {
2180 font->draw (xpixel, ypixel, text, count, fore, -1);
2181 break;
2182 }
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2186 }
2187 else
2188 font->draw (xpixel, ypixel, text, count, fore, back);
2189
2190 if ((rend & RS_Uline) && (font->descent > 1))
2191 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2192 xpixel, ypixel + font->ascent + 1,
2193 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2194 } /* for (col....) */
2195 } /* for (row....) */
2196
2197 /*
2198 * G: cleanup cursor and display outline cursor if necessary
2199 */
2200 if (showcursor) {
2201 if (TermWin.focus) {
2202 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2203 [screen.cur.col]);
2204 *srp ^= RS_RVid;
2205#ifndef NO_CURSORCOLOR
2206 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2207#endif
2208 } else if (oldcursor.row >= 0) {
2209#ifndef NO_CURSORCOLOR
2210 if (ISSET_PIXCOLOR (Color_cursor))
2211 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2212#endif
2213 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2214 Col2Pixel(oldcursor.col),
2215 Row2Pixel(oldcursor.row),
2216 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2217 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2218 } 2531 {
2219 } 2532 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2220 2533 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2221 /*
2222 * H: cleanup selection
2223 */
2224 scr_reverse_selection ();
2225
2226 /*
2227 * I: other general cleanup
2228 */
2229 if (clearfirst && TermWin.int_bwidth)
2230 /* 2534 }
2231 * clear the whole screen height, note that width == 0 is treated 2535 }
2232 * specially by XClearArea 2536 else
2233 */ 2537#endif
2234 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2538 {
2235 (unsigned int)TermWin.int_bwidth, 2539 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2236 (unsigned int)TermWin_TotalHeight(), False); 2540 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2237 if (clearlast && TermWin.int_bwidth) 2541 }
2238 /*
2239 * clear the whole screen height, note that width == 0 is treated
2240 * specially by XClearArea
2241 */
2242 XClearArea(Xdisplay, TermWin.vt,
2243 TermWin.width + TermWin.int_bwidth, 0,
2244 (unsigned int)TermWin.int_bwidth,
2245 (unsigned int)TermWin_TotalHeight(), False);
2246 if (refresh_type & SMOOTH_REFRESH)
2247 XSync(Xdisplay, False);
2248 2542
2249 num_scr = 0; 2543 XClearWindow (dpy, parent);
2250 num_scr_allow = 1;
2251 want_refresh = 0; /* screen is current */
2252}
2253 2544
2545 if (scrollBar.win)
2546 {
2547 if (transparent)
2548 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2549 else
2550 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2551 scrollBar.state = SB_STATE_IDLE;
2552 scrollBar.show (0);
2553 }
2554
2555 if (refresh)
2556 {
2557 scr_clear ();
2558 scr_touch (true);
2559 }
2560 want_refresh = 1;
2561}
2562
2254/* ------------------------------------------------------------------------- */ 2563/* ------------------------------------------------------------------------- */
2255void 2564void
2256rxvt_term::scr_clear() 2565rxvt_term::scr_clear (bool really) NOTHROW
2257{ 2566{
2258 if (!TermWin.mapped) 2567 if (!mapped)
2259 return; 2568 return;
2260 2569
2261 num_scr_allow = 0; 2570 num_scr_allow = 0;
2262 want_refresh = 1; 2571 want_refresh = 1;
2263#ifdef TRANSPARENT 2572
2264 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2573 if (really)
2574 XClearWindow (dpy, vt);
2575}
2576
2577void
2578rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2579{
2580 int view_end = view_start + nrow;
2581 int row, col;
2582
2583 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2584 {
2585 text_t *stp = ROW(row).t;
2586 rend_t *srp = ROW(row).r;
2587
2588 for (col = beg_col; col < end_col; col++)
2589 srp[col] ^= rstyle1;
2590
2591 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2592 srp[col] ^= rstyle2;
2593
2594 if (++col < end_col)
2595 srp[col] ^= rstyle2;
2265 { 2596 }
2266 int i; 2597}
2267 2598
2268 if (!(Options & Opt_transparent_all)) 2599void
2600rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2601{
2602 int view_end = view_start + nrow;
2603 int row, col;
2604
2605 if (beg_row >= view_start)
2606 {
2607 col = beg_col;
2608 row = beg_row;
2609 }
2610 else
2611 {
2269 i = 0; 2612 col = 0;
2613 row = view_start;
2614 }
2615
2616 for (; row < min (end_row, view_end); row++, col = 0)
2617 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2618 srp[col] ^= rstyle;
2619
2620 if (row == end_row)
2621 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2622 srp[col] ^= rstyle;
2623}
2624
2625/* ------------------------------------------------------------------------- */
2626void ecb_hot
2627rxvt_term::scr_reverse_selection () NOTHROW
2628{
2629 if (selection.op
2630 && current_screen == selection.screen
2631 && selection.end.row >= view_start)
2632 {
2633#if !ENABLE_MINIMAL
2634 if (selection.rect)
2635 scr_xor_rect (selection.beg.row, selection.beg.col,
2636 selection.end.row, selection.end.col,
2637 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2270 else 2638 else
2271 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2272
2273 while (i--)
2274 if (TermWin.parent[i] != None)
2275 XClearWindow(Xdisplay, TermWin.parent[i]);
2276 }
2277#endif 2639#endif
2278 2640 scr_xor_span (selection.beg.row, selection.beg.col,
2279 XClearWindow (Xdisplay, TermWin.vt); 2641 selection.end.row, selection.end.col,
2280} 2642 RS_Sel | RS_RVid);
2281
2282/* ------------------------------------------------------------------------- */
2283void
2284rxvt_term::scr_reverse_selection ()
2285{
2286 int i, col, row, end_row;
2287 rend_t *srp;
2288
2289 if (selection.op && current_screen == selection.screen) {
2290 end_row = TermWin.saveLines - TermWin.view_start;
2291 i = selection.beg.row + TermWin.saveLines;
2292 row = selection.end.row + TermWin.saveLines;
2293 if (i >= end_row)
2294 col = selection.beg.col;
2295 else {
2296 col = 0;
2297 i = end_row;
2298 }
2299 end_row += TermWin.nrow;
2300 for (; i < row && i < end_row; i++, col = 0)
2301 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2302 srp[col] ^= RS_RVid;
2303 if (i == row && i < end_row)
2304 for (srp = screen.rend[i]; col < selection.end.col; col++)
2305 srp[col] ^= RS_RVid;
2306 } 2643 }
2307} 2644}
2308 2645
2309/* ------------------------------------------------------------------------- */ 2646/* ------------------------------------------------------------------------- */
2310/* 2647/*
2311 * Dump the whole scrollback and screen to the passed filedescriptor. The 2648 * Dump the whole scrollback and screen to the passed filedescriptor. The
2312 * invoking routine must close the fd. 2649 * invoking routine must close the fd.
2313 */ 2650 */
2314#if 0 2651#if 0
2315void 2652void
2316rxvt_term::scr_dump (int fd) 2653rxvt_term::scr_dump (int fd) NOTHROW
2317{ 2654{
2318 int row, wrote; 2655 // if this method is needed, it can be implemented by factoring the
2319 unsigned int width, towrite; 2656 // relevant code in scr_printscreen
2320 char r1[] = "\n";
2321
2322 for (row = TermWin.saveLines - TermWin.nscrolled;
2323 row < TermWin.saveLines + TermWin.nrow - 1; row++) {
2324 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2325 : TermWin.ncol;
2326 for (towrite = width; towrite; towrite -= wrote) {
2327 wrote = write(fd, &(screen.text[row][width - towrite]),
2328 towrite);
2329 if (wrote < 0)
2330 return; /* XXX: death, no report */
2331 }
2332 if (screen.tlen[row] >= 0)
2333 if (write(fd, r1, 1) <= 0)
2334 return; /* XXX: death, no report */
2335 }
2336} 2657}
2337#endif 2658#endif
2338 2659
2339/* ------------------------------------------------------------------------- * 2660/* ------------------------------------------------------------------------- *
2340 * CHARACTER SELECTION * 2661 * CHARACTER SELECTION *
2341 * ------------------------------------------------------------------------- */ 2662 * ------------------------------------------------------------------------- */
2342
2343/*
2344 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2345 */
2346void 2663void
2347rxvt_term::selection_check (int check_more) 2664rxvt_term::selection_check (int check_more) NOTHROW
2348{ 2665{
2349 row_col_t pos;
2350
2351 if (!selection.op) 2666 if (!selection.op)
2352 return; 2667 return;
2353 2668
2354 pos.row = pos.col = 0; 2669 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2355 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2670 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2356 || (selection.beg.row >= TermWin.nrow) 2671 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2357 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2358 || (selection.mark.row >= TermWin.nrow)
2359 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2360 || (selection.end.row >= TermWin.nrow)
2361 || (check_more == 1 2672 || (check_more == 1
2362 && current_screen == selection.screen 2673 && current_screen == selection.screen
2363 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2674 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2364 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2675 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2365 || (check_more == 2
2366 && ROWCOL_IS_BEFORE(selection.beg, pos)
2367 && ROWCOL_IS_AFTER(selection.end, pos))
2368 || (check_more == 3
2369 && ROWCOL_IS_AFTER(selection.end, pos))
2370 || (check_more == 4 /* screen width change */
2371 && (selection.beg.row != selection.end.row
2372 || selection.end.col > TermWin.ncol)))
2373 CLEAR_SELECTION(); 2676 CLEAR_ALL_SELECTION ();
2677}
2678
2679void
2680rxvt_term::selection_changed () NOTHROW
2681{
2682 line_t &r1 = ROW (selection.beg.row);
2683 while (selection.beg.col > 0 && r1.t [selection.beg.col] == NOCHAR)
2684 --selection.beg.col;
2685
2686 line_t &r2 = ROW (selection.end.row);
2687 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2688 ++selection.end.col;
2689
2690 want_refresh = 1;
2374} 2691}
2375 2692
2376/* ------------------------------------------------------------------------- */ 2693/* ------------------------------------------------------------------------- */
2377/* 2694/*
2378 * Paste a selection direct to the command fd 2695 * Paste a selection direct to the command fd
2379 */ 2696 */
2380void 2697void
2381rxvt_term::paste (const unsigned char *data, unsigned int len) 2698rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2382{ 2699{
2383 unsigned int i, j, n;
2384 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2385
2386#if 0
2387 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2388 ZERO_SCROLLBACK (r);
2389#endif
2390
2391 /* convert normal newline chars into common keyboard Return key sequence */ 2700 /* convert normal newline chars into common keyboard Return key sequence */
2392 for (i = 0; i < len; i += PROP_SIZE) 2701 for (unsigned int i = 0; i < len; i++)
2393 { 2702 if (data[i] == C0_LF)
2394 n = min (len - i, PROP_SIZE); 2703 data[i] = C0_CR;
2395 MEMCPY (ds, data + i, n);
2396 2704
2397 for (j = 0; j < n; j++) 2705 if (priv_modes & PrivMode_BracketPaste)
2398 if (ds[j] == '\n') 2706 tt_printf ("\x1b[200~");
2399 ds[j] = '\r';
2400 2707
2401 tt_write (ds, (int)n); 2708 tt_write (data, len);
2402 }
2403 2709
2404 free(ds); 2710 if (priv_modes & PrivMode_BracketPaste)
2711 tt_printf ("\x1b[201~");
2405} 2712}
2406 2713
2407/* ------------------------------------------------------------------------- */ 2714void
2408/* 2715rxvt_term::paste (char *data, unsigned int len) NOTHROW
2409 * Respond to a notification that a primary selection has been sent
2410 * EXT: SelectionNotify
2411 */
2412int
2413rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2414{ 2716{
2415 long nread = 0; 2717 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2416 unsigned long bytes_after;
2417 XTextProperty ct;
2418
2419 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2420
2421 if (prop == None) /* check for failed XConvertSelection */
2422 {
2423 if ((selection_type & Sel_CompoundText))
2424 {
2425 int selnum = selection_type & Sel_whereMask;
2426
2427 selection_type = 0;
2428 if (selnum != Sel_direct)
2429 selection_request_other (XA_STRING, selnum);
2430 }
2431
2432 if ((selection_type & Sel_UTF8String))
2433 {
2434 int selnum = selection_type & Sel_whereMask;
2435
2436 selection_type = Sel_CompoundText;
2437 if (selnum != Sel_direct)
2438 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2439 else
2440 selection_type = 0;
2441 }
2442
2443 return 0; 2718 return;
2444 }
2445 2719
2446 for (;;) 2720 tt_paste (data, len);
2447 {
2448 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2449 (long)(PROP_SIZE / 4), delete_prop,
2450 AnyPropertyType, &ct.encoding, &ct.format,
2451 &ct.nitems, &bytes_after,
2452 &ct.value) != Success)
2453 break;
2454
2455 if (ct.encoding == 0)
2456 {
2457 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2458 break;
2459 }
2460
2461 if (ct.value == NULL)
2462 {
2463 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2464 continue;
2465 }
2466
2467 if (ct.nitems == 0)
2468 {
2469 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2470 if (selection_wait == Sel_normal && nread == 0)
2471 {
2472 /*
2473 * pass through again trying CUT_BUFFER0 if we've come from
2474 * XConvertSelection() but nothing was presented
2475 */
2476 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2477 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2478 }
2479
2480 nread = -1; /* discount any previous stuff */
2481 break;
2482 }
2483
2484 nread += ct.nitems;
2485
2486 char **cl;
2487 int cr;
2488 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2489 &cr) >= 0 && cl)
2490 {
2491 for (int i = 0; i < cr; i++)
2492 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2493
2494 XFreeStringList (cl);
2495 }
2496 else
2497 paste (ct.value, ct.nitems);
2498
2499 if (bytes_after == 0)
2500 break;
2501
2502 XFree (ct.value);
2503 }
2504
2505 if (ct.value)
2506 XFree (ct.value);
2507
2508 if (selection_wait == Sel_normal)
2509 selection_wait = Sel_none;
2510
2511 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2512 return (int)nread;
2513} 2721}
2514 2722
2515void
2516rxvt_term::incr_cb (time_watcher &w)
2517{
2518 selection_wait = Sel_none;
2519
2520 rxvt_print_error ("data loss: timeout on INCR selection paste");
2521}
2522
2523/*
2524 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2525 */
2526void
2527rxvt_term::selection_property (Window win, Atom prop)
2528{
2529 int reget_time = 0;
2530
2531 if (prop == None)
2532 return;
2533 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2534 if (selection_wait == Sel_normal) {
2535 int a, afmt;
2536 Atom atype;
2537 unsigned long bytes_after, nitems;
2538 unsigned char *s = NULL;
2539
2540 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2541 xa[XA_INCR], &atype, &afmt, &nitems,
2542 &bytes_after, &s);
2543 if (s)
2544 XFree(s);
2545 if (a != Success)
2546 return;
2547#ifndef __CYGWIN32__
2548 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2549 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2550 XDeleteProperty(Xdisplay, win, prop);
2551 XFlush(Xdisplay);
2552 reget_time = 1;
2553 selection_wait = Sel_incr;
2554 }
2555#endif
2556 } else if (selection_wait == Sel_incr) {
2557 reget_time = 1;
2558 if (selection_paste (win, prop, True) == -1) {
2559 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2560 selection_wait = Sel_none;
2561 incr_ev.stop ();
2562 }
2563 }
2564 if (reget_time) /* received more data so reget time */
2565 incr_ev.start (NOW + 10);
2566}
2567/* ------------------------------------------------------------------------- */ 2723/* ------------------------------------------------------------------------- */
2568/* 2724/*
2569 * Request the current selection: 2725 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2570 * Order: > internal selection if available 2726 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2571 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2727 * as fallback
2572 * > CUT_BUFFER0
2573 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2574 * will auto fallback to CUT_BUFFER0
2575 * EXT: button 2 release 2728 * EXT: button 2 release
2576 */ 2729 */
2577void 2730void
2578rxvt_term::selection_request (Time tm, int x, int y) 2731rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2579{ 2732{
2580 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2733 if (!selection_req)
2581 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2582 return; /* outside window */
2583
2584 if (selection.text != NULL) { /* internal selection */
2585 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2586 paste (selection.text, selection.len);
2587 return;
2588 } else {
2589 int i;
2590
2591 selection_request_time = tm;
2592 selection_wait = Sel_normal;
2593 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2594#if X_HAVE_UTF8_STRING
2595 selection_type = Sel_UTF8String;
2596 if (selection_request_other (xa[XA_UTF8_STRING], i))
2597 return;
2598#else
2599 selection_type = Sel_CompoundText;
2600 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2601 return;
2602#endif
2603 }
2604 } 2734 {
2605 selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2735 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2606 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2736 selection_req->run ();
2607 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2608}
2609
2610int
2611rxvt_term::selection_request_other (Atom target, int selnum)
2612{
2613 Atom sel;
2614#ifdef DEBUG_SELECT
2615 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2616#endif
2617
2618 selection_type |= selnum;
2619 if (selnum == Sel_Primary)
2620 sel = XA_PRIMARY;
2621 else if (selnum == Sel_Secondary)
2622 sel = XA_SECONDARY;
2623 else
2624 sel = xa[XA_CLIPBOARD];
2625 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2626 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2627 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2628 TermWin.vt, selection_request_time);
2629 return 1;
2630 } 2737 }
2631 return 0;
2632} 2738}
2633 2739
2634/* ------------------------------------------------------------------------- */ 2740/* ------------------------------------------------------------------------- */
2635/* 2741/*
2636 * Clear all selected text 2742 * Clear all selected text
2637 * EXT: SelectionClear 2743 * EXT: SelectionClear
2638 */ 2744 */
2639void 2745void
2640rxvt_term::selection_clear () 2746rxvt_term::selection_clear (bool clipboard) NOTHROW
2641{ 2747{
2642 D_SELECT((stderr, "rxvt_selection_clear()")); 2748 if (!clipboard)
2643 2749 {
2644 want_refresh = 1; 2750 want_refresh = 1;
2645 if (selection.text)
2646 free(selection.text); 2751 free (selection.text);
2647 selection.text = NULL; 2752 selection.text = NULL;
2648 selection.len = 0; 2753 selection.len = 0;
2649 CLEAR_SELECTION(); 2754 CLEAR_SELECTION ();
2755
2756 if (display->selection_owner == this)
2757 display->selection_owner = 0;
2758 }
2759 else
2760 {
2761 free (selection.clip_text);
2762 selection.clip_text = NULL;
2763 selection.clip_len = 0;
2764
2765 if (display->clipboard_owner == this)
2766 display->clipboard_owner = 0;
2767 }
2650} 2768}
2651 2769
2652/* ------------------------------------------------------------------------- */ 2770/* ------------------------------------------------------------------------- */
2653/* 2771/*
2654 * Copy a selection into the cut buffer 2772 * Copy a selection into the cut buffer
2655 * EXT: button 1 or 3 release 2773 * EXT: button 1 or 3 release
2656 */ 2774 */
2657void 2775void
2658rxvt_term::selection_make (Time tm) 2776rxvt_term::selection_make (Time tm)
2659{ 2777{
2660 int i, col, end_col, row, end_row; 2778 int size;
2661 unsigned char *new_selection_text; 2779 wchar_t *new_selection_text;
2662 char *str; 2780 text_t *t;
2663 text_t *t;
2664#ifdef ACS_ASCII
2665 rend_t *re;
2666#endif
2667 2781
2668 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2669 switch (selection.op) { 2782 switch (selection.op)
2783 {
2670 case SELECTION_CONT: 2784 case SELECTION_CONT:
2671 break; 2785 break;
2672 case SELECTION_INIT: 2786 case SELECTION_INIT:
2673 CLEAR_SELECTION(); 2787 CLEAR_SELECTION ();
2674 /* FALLTHROUGH */ 2788 /* FALLTHROUGH */
2675 case SELECTION_BEGIN: 2789 case SELECTION_BEGIN:
2676 selection.op = SELECTION_DONE; 2790 selection.op = SELECTION_DONE;
2677 /* FALLTHROUGH */ 2791 /* FALLTHROUGH */
2678 default: 2792 default:
2679 return; 2793 return;
2680 } 2794 }
2795
2681 selection.op = SELECTION_DONE; 2796 selection.op = SELECTION_DONE;
2682 2797
2683 if (selection.clicks == 4) 2798 if (selection.clicks == 4)
2684 return; /* nothing selected, go away */ 2799 return; /* nothing selected, go away */
2685 2800
2801 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2802 return;
2803
2686 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2804 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2687 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2805 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2688 2806
2689 new_selection_text = (unsigned char *)str; 2807 int ofs = 0;
2808 int extra = 0;
2690 2809
2691 col = selection.beg.col; 2810 int col = selection.beg.col;
2692 MAX_IT(col, 0); 2811 int row = selection.beg.row;
2693 row = selection.beg.row + TermWin.saveLines;
2694 end_row = selection.end.row + TermWin.saveLines;
2695 2812
2813 int end_col;
2814
2696 for (; row <= end_row; row++, col = 0) 2815 for (; row <= selection.end.row; row++, col = 0)
2816 {
2817#if !ENABLE_MINIMAL
2818 if (selection.rect)
2697 { 2819 {
2698 t = &(screen.text[row][col]); 2820 col = selection.beg.col;
2699
2700 end_col = screen.tlen[row];
2701
2702 if (end_col == -1)
2703 end_col = TermWin.ncol; 2821 end_col = selection.end.col;
2822 }
2823 else
2824#endif
2825 end_col = ROW(row).l;
2704 2826
2827 col = max (col, 0);
2828
2705 if (row == end_row) 2829 if (row == selection.end.row)
2706 MIN_IT (end_col, selection.end.col); 2830 min_it (end_col, selection.end.col);
2707 2831
2832 t = ROW(row).t + col;
2833
2708 for (; col < end_col; col++) 2834 for (; col < end_col; col++)
2835 {
2709 if (*t == NOCHAR) 2836 if (*t == NOCHAR)
2710 t++; 2837 t++;
2838#if ENABLE_COMBINING
2839 else if (IS_COMPOSE (*t))
2840 {
2841 int len = rxvt_composite.expand (*t, 0);
2842
2843 extra -= (len - 1);
2844
2845 if (extra < 0)
2846 {
2847 extra += size;
2848 size += size;
2849 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2850 }
2851
2852 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2853 }
2854#endif
2711 else 2855 else
2712 { 2856 new_selection_text[ofs++] = *t++;
2713 int len = wctomb (str, *t++);
2714 if (len > 0)
2715 str += len;
2716 }
2717
2718 if (screen.tlen[row] != -1 && row != end_row)
2719 *str++ = '\n';
2720 }
2721
2722#ifndef NO_OLD_SELECTION
2723 if (selection_style == OLD_SELECT)
2724 if (end_col == TermWin.ncol)
2725 *str++ = '\n';
2726#endif
2727#ifndef NO_NEW_SELECTION
2728 if (selection_style != OLD_SELECT)
2729 if (end_col != selection.end.col)
2730 *str++ = '\n';
2731#endif
2732 *str = '\0';
2733
2734 i = str - (char *)new_selection_text;
2735 if (i == 0)
2736 {
2737 free (new_selection_text);
2738 return;
2739 }
2740
2741 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2742 if (str - (char *)new_selection_text > 1024)
2743 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2744
2745 selection.len = i;
2746
2747 if (selection.text)
2748 free (selection.text);
2749
2750 selection.text = new_selection_text;
2751
2752 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2753 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2754 rxvt_print_error("can't get primary selection");
2755
2756
2757 {
2758 XTextProperty ct;
2759 char *cl = (char *)selection.text;
2760
2761 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2762 { 2857 }
2763 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2858
2764 PropModeReplace, ct.value, ct.nitems); 2859#if !ENABLE_MINIMAL
2765 XFree (ct.value); 2860 if (selection.rect)
2861 {
2862 while (ofs
2863 && new_selection_text[ofs - 1] != C0_LF
2864 && unicode::is_space (new_selection_text[ofs - 1]))
2865 --ofs;
2866
2867 new_selection_text[ofs++] = C0_LF;
2766 } 2868 }
2767 else 2869 else
2768 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2870#endif
2769 PropModeReplace, selection.text, (int)selection.len); 2871 if (!ROW(row).is_longer ()
2872 && (row != selection.end.row || end_col != selection.end.col)
2873 && (row != selection.beg.row || selection.beg.col < ncol))
2874 new_selection_text[ofs++] = C0_LF;
2875 }
2876
2877 new_selection_text[ofs] = 0;
2878
2879 if (ofs == 0)
2770 } 2880 {
2881 free (new_selection_text);
2882 return;
2883 }
2771 2884
2885 free (selection.text);
2886
2887 // we usually allocate much more than necessary, so realloc it smaller again
2888 selection.len = ofs;
2889 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2890
2891 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2892 return;
2893
2894 selection_grab (tm);
2895}
2896
2897bool
2898rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2899{
2900 Atom sel;
2901
2902 if (!clipboard)
2903 {
2772 selection_time = tm; 2904 selection_time = tm;
2773 D_SELECT((stderr, "rxvt_selection_make(): selection.len=%d", selection.len)); 2905 sel = XA_PRIMARY;
2906 }
2907 else
2908 {
2909 clipboard_time = tm;
2910 sel = xa[XA_CLIPBOARD];
2911 }
2912
2913 XSetSelectionOwner (dpy, sel, vt, tm);
2914 if (XGetSelectionOwner (dpy, sel) == vt)
2915 {
2916 display->set_selection_owner (this, clipboard);
2917 return true;
2918 }
2919 else
2920 {
2921 selection_clear (clipboard);
2922 return false;
2923 }
2924
2925#if 0
2926 XTextProperty ct;
2927
2928 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2929 {
2930 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2931 XFree (ct.value);
2932 }
2933#endif
2774} 2934}
2775 2935
2776/* ------------------------------------------------------------------------- */ 2936/* ------------------------------------------------------------------------- */
2777/* 2937/*
2778 * Mark or select text based upon number of clicks: 1, 2, or 3 2938 * Mark or select text based upon number of clicks: 1, 2, or 3
2779 * EXT: button 1 press 2939 * EXT: button 1 press
2780 */ 2940 */
2781void 2941void ecb_cold
2782rxvt_term::selection_click (int clicks, int x, int y) 2942rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2783{ 2943{
2784 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2785
2786 clicks = ((clicks - 1) % 3) + 1; 2944 clicks = ((clicks - 1) % 3) + 1;
2787 selection.clicks = clicks; /* save clicks so extend will work */ 2945 selection.clicks = clicks; /* save clicks so extend will work */
2788 2946
2947 if (clicks == 2 && !selection.rect
2948 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2949 {
2950 MEvent.clicks = 1; // what a mess
2951 selection.screen = current_screen;
2952 selection.op = SELECTION_CONT;
2953 return;
2954 }
2955
2789 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2956 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2790 2957
2791 if (clicks == 2 || clicks == 3) 2958 if (clicks == 2 || clicks == 3)
2792 selection_extend_colrow (selection.mark.col, 2959 selection_extend_colrow (selection.mark.col,
2793 selection.mark.row + TermWin.view_start, 2960 selection.mark.row - view_start,
2794 0, /* button 3 */ 2961 0, /* button 3 */
2795 1, /* button press */ 2962 1, /* button press */
2796 0); /* click change */ 2963 0); /* click change */
2797} 2964}
2798 2965
2799/* ------------------------------------------------------------------------- */ 2966/* ------------------------------------------------------------------------- */
2800/* 2967/*
2801 * Mark a selection at the specified col/row 2968 * Mark a selection at the specified col/row
2802 */ 2969 */
2803void 2970void ecb_cold
2804rxvt_term::selection_start_colrow (int col, int row) 2971rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2805{ 2972{
2806 want_refresh = 1; 2973 want_refresh = 1;
2974
2975 selection.mark.row = row + view_start;
2807 selection.mark.col = col; 2976 selection.mark.col = col;
2808 selection.mark.row = row - TermWin.view_start; 2977
2809 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2978 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2810 MIN_IT(selection.mark.row, (int32_t)TermWin.nrow - 1); 2979 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2980
2981 while (selection.mark.col > 0
2982 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2811 MAX_IT(selection.mark.col, 0); 2983 --selection.mark.col;
2812 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2813 2984
2814 if (selection.op) { /* clear the old selection */ 2985 if (selection.op)
2986 {
2987 /* clear the old selection */
2815 selection.beg.row = selection.end.row = selection.mark.row; 2988 selection.beg.row = selection.end.row = selection.mark.row;
2816 selection.beg.col = selection.end.col = selection.mark.col; 2989 selection.beg.col = selection.end.col = selection.mark.col;
2817 } 2990 }
2991
2818 selection.op = SELECTION_INIT; 2992 selection.op = SELECTION_INIT;
2819 selection.screen = current_screen; 2993 selection.screen = current_screen;
2820} 2994}
2821 2995
2822/* ------------------------------------------------------------------------- */ 2996/* ------------------------------------------------------------------------- */
2823/* 2997/*
2824 * Word select: select text for 2 clicks 2998 * Word select: select text for 2 clicks
2825 * We now only find out the boundary in one direction 2999 * We now only find out the boundary in one direction
2826 */ 3000 */
2827 3001
2828/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3002/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2829#define DELIMIT_TEXT(x) \ 3003#define DELIMIT_TEXT(x) \
2830 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3004 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2831#define DELIMIT_REND(x) 1 3005#define DELIMIT_REND(x) 1
2832 3006
2833void 3007void ecb_cold
2834rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3008rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2835{ 3009{
2836 int col, row, dirnadd, tcol, trow, w1, w2; 3010 int col, row, dirnadd, tcol, trow, w1, w2;
2837 row_col_t bound; 3011 row_col_t bound;
2838 text_t *stp; 3012 text_t *stp;
2839 rend_t *srp; 3013 rend_t *srp;
2840 3014
2841 if (dirn == UP) { 3015 if (dirn == UP)
2842 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3016 {
3017 bound.row = top_row - 1;
2843 bound.col = 0; 3018 bound.col = 0;
2844 dirnadd = -1; 3019 dirnadd = -1;
2845 } else { 3020 }
2846 bound.row = TermWin.saveLines + TermWin.nrow; 3021 else
3022 {
3023 bound.row = nrow;
2847 bound.col = TermWin.ncol - 1; 3024 bound.col = ncol - 1;
2848 dirnadd = 1; 3025 dirnadd = 1;
2849 } 3026 }
2850 row = mark->row + TermWin.saveLines; 3027
3028 row = mark->row;
2851 col = mark->col; 3029 col = max (mark->col, 0);
2852 MAX_IT(col, 0); 3030
2853/* find the edge of a word */ 3031 /* find the edge of a word */
2854 stp = &(screen.text[row][col]); 3032 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2855 w1 = DELIMIT_TEXT(*stp); 3033 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2856 3034
2857 if (selection_style != NEW_SELECT) { 3035 for (;;)
2858 if (w1 == 1) { 3036 {
3037 for (; col != bound.col; col += dirnadd)
3038 {
2859 stp += dirnadd; 3039 stp += dirnadd;
2860 if (DELIMIT_TEXT(*stp) == 1)
2861 goto Old_Word_Selection_You_Die;
2862 col += dirnadd;
2863 }
2864 w1 = 0;
2865 }
2866 srp = (&screen.rend[row][col]);
2867 w2 = DELIMIT_REND(*srp);
2868
2869 for (;;) {
2870 for (; col != bound.col; col += dirnadd) {
2871 stp += dirnadd; 3040 srp += dirnadd;
3041
3042 if (*stp == NOCHAR)
3043 continue;
3044
2872 if (DELIMIT_TEXT(*stp) != w1) 3045 if (DELIMIT_TEXT (*stp) != w1)
3046 break;
3047 if (DELIMIT_REND (*srp) != w2)
3048 break;
3049 }
3050
3051 if ((col == bound.col) && (row != bound.row))
3052 {
3053 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3054 {
3055 trow = row + dirnadd;
3056 tcol = dirn == UP ? ncol - 1 : 0;
3057
3058 if (!ROW(trow).t)
2873 break; 3059 break;
2874 srp += dirnadd; 3060
2875 if (DELIMIT_REND(*srp) != w2) 3061 stp = ROW(trow).t + tcol;
3062 srp = ROW(trow).r + tcol;
3063
3064 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2876 break; 3065 break;
2877 } 3066
2878 if ((col == bound.col) && (row != bound.row)) {
2879 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2880 trow = row + dirnadd;
2881 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2882 if (screen.text[trow] == NULL)
2883 break;
2884 stp = &(screen.text[trow][tcol]);
2885 srp = &(screen.rend[trow][tcol]);
2886 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2887 break;
2888 row = trow; 3067 row = trow;
2889 col = tcol; 3068 col = tcol;
2890 continue; 3069 continue;
2891 } 3070 }
2892 } 3071 }
2893 break; 3072 break;
2894 } 3073 }
2895 Old_Word_Selection_You_Die:
2896 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2897 3074
2898 if (dirn == DN) 3075 if (dirn == DN)
2899 col++; /* put us on one past the end */ 3076 col++; /* put us on one past the end */
3077 else
3078 {
3079 // if the delimiter on the left has width > 1 col points to the
3080 // first NOCHAR in the delimiter cell and so we must move it to the
3081 // beginning of the next cell.
3082 while (ROW(row).t[col] == NOCHAR)
3083 col++;
3084 }
2900 3085
2901/* Poke the values back in */ 3086 /* Poke the values back in */
2902 ret->row = row - TermWin.saveLines; 3087 ret->row = row;
2903 ret->col = col; 3088 ret->col = col;
2904} 3089}
2905 3090
2906/* ------------------------------------------------------------------------- */ 3091/* ------------------------------------------------------------------------- */
2907/* 3092/*
2908 * Extend the selection to the specified x/y pixel location 3093 * Extend the selection to the specified x/y pixel location
2909 * EXT: button 3 press; button 1 or 3 drag 3094 * EXT: button 3 press; button 1 or 3 drag
2910 * flag == 0 ==> button 1 3095 * flag == 0 ==> button 1
2911 * flag == 1 ==> button 3 press 3096 * flag == 1 ==> button 3 press
2912 * flag == 2 ==> button 3 motion 3097 * flag == 2 ==> button 3 motion
2913 */ 3098 */
2914void 3099void ecb_cold
2915rxvt_term::selection_extend (int x, int y, int flag) 3100rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2916{ 3101{
2917 int col, row; 3102 int col = clamp (Pixel2Col (x), 0, ncol);
3103 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2918 3104
2919 col = Pixel2Col(x);
2920 row = Pixel2Row(y);
2921 MAX_IT(row, 0);
2922 MIN_IT(row, (int)TermWin.nrow - 1);
2923 MAX_IT(col, 0);
2924 MIN_IT(col, (int)TermWin.ncol);
2925
2926#ifndef NO_NEW_SELECTION
2927 /* 3105 /*
2928 * If we're selecting characters (single click) then we must check first 3106 * If we're selecting characters (single click) then we must check first
2929 * if we are at the same place as the original mark. If we are then 3107 * if we are at the same place as the original mark. If we are then
2930 * select nothing. Otherwise, if we're to the right of the mark, you have to 3108 * select nothing. Otherwise, if we're to the right of the mark, you have to
2931 * be _past_ a character for it to be selected. 3109 * be _past_ a character for it to be selected.
2932 */ 3110 */
2933 if (selection_style != OLD_SELECT)
2934 {
2935 if (((selection.clicks % 3) == 1) && !flag 3111 if (((selection.clicks % 3) == 1) && !flag
2936 && (col == selection.mark.col 3112 && (col == selection.mark.col
2937 && (row == selection.mark.row + TermWin.view_start))) 3113 && (row == selection.mark.row - view_start)))
2938 { 3114 {
2939 /* select nothing */ 3115 /* select nothing */
2940 selection.beg.row = selection.end.row = 0; 3116 selection.beg.row = selection.end.row = 0;
2941 selection.beg.col = selection.end.col = 0; 3117 selection.beg.col = selection.end.col = 0;
2942 selection.clicks = 4; 3118 selection.clicks = 4;
2943 want_refresh = 1; 3119 want_refresh = 1;
2944 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2945 return; 3120 return;
2946 }
2947 } 3121 }
2948#endif 3122
2949 if (selection.clicks == 4) 3123 if (selection.clicks == 4)
2950 selection.clicks = 1; 3124 selection.clicks = 1;
2951 3125
2952 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3126 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2953 flag == 1 ? 1 : 0, /* ? button press */ 3127 flag == 1 ? 1 : 0, /* ? button press */
2954 0); /* no click change */ 3128 0); /* no click change */
2955} 3129}
2956 3130
2957/* ------------------------------------------------------------------------- */ 3131/* ------------------------------------------------------------------------- */
2958/* 3132/*
2959 * Extend the selection to the specified col/row 3133 * Extend the selection to the specified col/row
2960 */ 3134 */
2961void 3135void ecb_cold
2962rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3136rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2963{ 3137{
2964 int16_t ncol = TermWin.ncol;
2965 int end_col;
2966 row_col_t pos; 3138 row_col_t pos;
2967 enum { 3139 enum {
2968 LEFT, RIGHT 3140 LEFT, RIGHT
2969 } closeto = RIGHT; 3141 } closeto = RIGHT;
2970 3142
2971 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
2972 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2973
2974 want_refresh = 1;
2975 switch (selection.op) { 3143 switch (selection.op)
3144 {
2976 case SELECTION_INIT: 3145 case SELECTION_INIT:
2977 CLEAR_SELECTION(); 3146 CLEAR_SELECTION ();
2978 selection.op = SELECTION_BEGIN; 3147 selection.op = SELECTION_BEGIN;
2979 /* FALLTHROUGH */ 3148 /* FALLTHROUGH */
2980 case SELECTION_BEGIN: 3149 case SELECTION_BEGIN:
2981 if (row != selection.mark.row || col != selection.mark.col 3150 if (row != selection.mark.row || col != selection.mark.col
2982 || (!button3 && buttonpress)) 3151 || (!button3 && buttonpress))
2983 selection.op = SELECTION_CONT; 3152 selection.op = SELECTION_CONT;
2984 break; 3153 break;
2985 case SELECTION_DONE: 3154 case SELECTION_DONE:
2986 selection.op = SELECTION_CONT; 3155 selection.op = SELECTION_CONT;
2987 /* FALLTHROUGH */ 3156 /* FALLTHROUGH */
2988 case SELECTION_CONT: 3157 case SELECTION_CONT:
2989 break; 3158 break;
2990 case SELECTION_CLEAR: 3159 case SELECTION_CLEAR:
2991 selection_start_colrow (col, row); 3160 selection_start_colrow (col, row);
2992 /* FALLTHROUGH */ 3161 /* FALLTHROUGH */
2993 default: 3162 default:
2994 return; 3163 return;
2995 } 3164 }
3165
2996 if (selection.beg.col == selection.end.col 3166 if (selection.beg.col == selection.end.col
2997 && selection.beg.col != selection.mark.col 3167 && selection.beg.col != selection.mark.col
2998 && selection.beg.row == selection.end.row 3168 && selection.beg.row == selection.end.row
2999 && selection.beg.row != selection.mark.row) { 3169 && selection.beg.row != selection.mark.row)
3170 {
3000 selection.beg.col = selection.end.col = selection.mark.col; 3171 selection.beg.col = selection.end.col = selection.mark.col;
3001 selection.beg.row = selection.end.row = selection.mark.row; 3172 selection.beg.row = selection.end.row = selection.mark.row;
3002 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3003 } 3173 }
3004 3174
3005 pos.col = col; 3175 pos.col = col;
3006 pos.row = row; 3176 pos.row = view_start + row;
3007 3177
3008 pos.row -= TermWin.view_start; /* adjust for scroll */ 3178 /*
3009 3179 * This is mainly xterm style selection with a couple of differences, mainly
3010#ifndef NO_OLD_SELECTION 3180 * in the way button3 drag extension works.
3011/* 3181 * We're either doing: button1 drag; button3 press; or button3 drag
3012 * This mimics some of the selection behaviour of version 2.20 and before. 3182 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3013 * There are no ``selection modes'', button3 is always character extension. 3183 * is always at the left/right edge of the selection.
3014 * Note: button3 drag is always available, c.f. v2.20 3184 * b) button3 press: extend/contract character/word/line at whichever edge of
3015 * Selection always terminates (left or right as appropriate) at the mark. 3185 * the selection we are closest to.
3186 * c) button3 drag : extend/contract character/word/line - we select around
3187 * a point/word/line which is either the start or end of the selection
3188 * and it was decided by whichever point/word/line was `fixed' at the
3189 * time of the most recent button3 press
3016 */ 3190 */
3017 if (selection_style == OLD_SELECT) { 3191 if (button3 && buttonpress)
3018 if (selection.clicks == 1 || button3) { 3192 {
3019 if (hate_those_clicks) { 3193 /* button3 press */
3020 hate_those_clicks = 0; 3194 /*
3021 if (selection.clicks == 1) { 3195 * first determine which edge of the selection we are closest to
3022 selection.beg.row = selection.mark.row; 3196 */
3023 selection.beg.col = selection.mark.col; 3197 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3024 } else { 3198 || (!ROWCOL_IS_AFTER (pos, selection.end)
3199 && (((pos.col - selection.beg.col)
3200 + ((pos.row - selection.beg.row) * ncol))
3201 < ((selection.end.col - pos.col)
3202 + ((selection.end.row - pos.row) * ncol)))))
3203 closeto = LEFT;
3204
3205 if (closeto == LEFT)
3206 {
3207 selection.beg.row = pos.row;
3208 selection.beg.col = pos.col;
3209 selection.mark.row = selection.end.row;
3210 selection.mark.col = selection.end.col - (selection.clicks == 2);
3211 }
3212 else
3213 {
3214 selection.end.row = pos.row;
3215 selection.end.col = pos.col;
3025 selection.mark.row = selection.beg.row; 3216 selection.mark.row = selection.beg.row;
3026 selection.mark.col = selection.beg.col; 3217 selection.mark.col = selection.beg.col;
3218 }
3219 }
3220 else
3221 {
3222 /* button1 drag or button3 drag */
3223 if (ROWCOL_IS_AFTER (selection.mark, pos))
3224 {
3225 if (selection.mark.row == selection.end.row
3226 && selection.mark.col == selection.end.col
3227 && clickchange
3228 && selection.clicks == 2)
3229 selection.mark.col--;
3230
3231 selection.beg.row = pos.row;
3232 selection.beg.col = pos.col;
3233 selection.end.row = selection.mark.row;
3234 selection.end.col = selection.mark.col + (selection.clicks == 2);
3235 }
3236 else
3237 {
3238 selection.beg.row = selection.mark.row;
3239 selection.beg.col = selection.mark.col;
3240 selection.end.row = pos.row;
3241 selection.end.col = pos.col;
3242 }
3243 }
3244
3245 if (selection.clicks == 1)
3246 {
3247 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3248 && !ROW(selection.beg.row).is_longer ()
3249#if !ENABLE_MINIMAL
3250 && !selection.rect
3251#endif
3252 )
3253 selection.beg.col = ncol;
3254
3255 if (
3256 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3257 && !ROW(selection.end.row).is_longer ()
3258#if !ENABLE_MINIMAL
3259 && !selection.rect
3260#endif
3261 )
3262 selection.end.col = ncol;
3263 }
3264 else if (selection.clicks == 2)
3265 {
3266 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3267 selection.end.col--;
3268
3269 selection_delimit_word (UP, &selection.beg, &selection.beg);
3270 selection_delimit_word (DN, &selection.end, &selection.end);
3271 }
3272 else if (selection.clicks == 3)
3273 {
3274#if ENABLE_FRILLS
3275 if (option (Opt_tripleclickwords))
3276 {
3277 selection_delimit_word (UP, &selection.beg, &selection.beg);
3278
3279 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3280 {
3281 if (!ROW(end_row).is_longer ())
3282 {
3283 selection.end.row = end_row;
3284 selection.end.col = ROW(end_row).l;
3285# if !ENABLE_MINIMAL
3286 selection_remove_trailing_spaces ();
3287# endif
3288 break;
3027 } 3289 }
3028 } 3290 }
3029 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3030 selection.end.row = selection.mark.row;
3031 selection.end.col = selection.mark.col + 1;
3032 selection.beg.row = pos.row;
3033 selection.beg.col = pos.col;
3034 } else {
3035 selection.beg.row = selection.mark.row;
3036 selection.beg.col = selection.mark.col;
3037 selection.end.row = pos.row;
3038 selection.end.col = pos.col + 1;
3039 } 3291 }
3040 } else if (selection.clicks == 2) { 3292 else
3041 selection_delimit_word (UP, &(selection.mark), 3293#endif
3042 &(selection.beg)); 3294 {
3043 selection_delimit_word (DN, &(selection.mark), 3295 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3044 &(selection.end)); 3296 selection.mark.col++;
3045 hate_those_clicks = 1; 3297
3046 } else if (selection.clicks == 3) {
3047 selection.beg.row = selection.end.row = selection.mark.row;
3048 selection.beg.col = 0; 3298 selection.beg.col = 0;
3049 selection.end.col = ncol; 3299 selection.end.col = ncol;
3050 hate_those_clicks = 1; 3300
3051 } 3301 // select a complete logical line
3052 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); 3302 while (selection.beg.row > -saveLines
3053 return; 3303 && ROW(selection.beg.row - 1).is_longer ())
3054 } 3304 selection.beg.row--;
3055#endif /* ! NO_OLD_SELECTION */ 3305
3056#ifndef NO_NEW_SELECTION 3306 while (selection.end.row < nrow
3057/* selection_style must not be OLD_SELECT to get here */ 3307 && ROW(selection.end.row).is_longer ())
3058/* 3308 selection.end.row++;
3059 * This is mainly xterm style selection with a couple of differences, mainly
3060 * in the way button3 drag extension works.
3061 * We're either doing: button1 drag; button3 press; or button3 drag
3062 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3063 * is always at the left/right edge of the selection.
3064 * b) button3 press: extend/contract character/word/line at whichever edge of
3065 * the selection we are closest to.
3066 * c) button3 drag : extend/contract character/word/line - we select around
3067 * a point/word/line which is either the start or end of the selection
3068 * and it was decided by whichever point/word/line was `fixed' at the
3069 * time of the most recent button3 press
3070 */
3071 if (button3 && buttonpress) { /* button3 press */
3072 /* 3309 }
3073 * first determine which edge of the selection we are closest to 3310 }
3074 */ 3311
3075 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3312 if (button3 && buttonpress)
3076 || (!ROWCOL_IS_AFTER(pos, selection.end) 3313 {
3077 && (((pos.col - selection.beg.col) 3314 /* mark may need to be changed */
3078 + ((pos.row - selection.beg.row) * ncol))
3079 < ((selection.end.col - pos.col)
3080 + ((selection.end.row - pos.row) * ncol)))))
3081 closeto = LEFT;
3082 if (closeto == LEFT) { 3315 if (closeto == LEFT)
3083 selection.beg.row = pos.row; 3316 {
3084 selection.beg.col = pos.col;
3085 selection.mark.row = selection.end.row; 3317 selection.mark.row = selection.end.row;
3086 selection.mark.col = selection.end.col 3318 selection.mark.col = selection.end.col - (selection.clicks == 2);
3087 - (selection.clicks == 2); 3319 }
3088 } else { 3320 else
3089 selection.end.row = pos.row; 3321 {
3090 selection.end.col = pos.col;
3091 selection.mark.row = selection.beg.row; 3322 selection.mark.row = selection.beg.row;
3092 selection.mark.col = selection.beg.col; 3323 selection.mark.col = selection.beg.col;
3093 }
3094 } else { /* button1 drag or button3 drag */
3095 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3096 if ((selection.mark.row == selection.end.row)
3097 && (selection.mark.col == selection.end.col)
3098 && clickchange && selection.clicks == 2)
3099 selection.mark.col--;
3100 selection.beg.row = pos.row;
3101 selection.beg.col = pos.col;
3102 selection.end.row = selection.mark.row;
3103 selection.end.col = selection.mark.col
3104 + (selection.clicks == 2);
3105 } else {
3106 selection.beg.row = selection.mark.row;
3107 selection.beg.col = selection.mark.col;
3108 selection.end.row = pos.row;
3109 selection.end.col = pos.col;
3110 }
3111 }
3112
3113 if (selection.clicks == 1) {
3114 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3115 if (end_col != -1 && selection.beg.col > end_col) {
3116#if 1
3117 selection.beg.col = ncol;
3118#else
3119 if (selection.beg.row != selection.end.row)
3120 selection.beg.col = ncol;
3121 else
3122 selection.beg.col = selection.mark.col;
3123#endif
3124 }
3125 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3126 if (end_col != -1 && selection.end.col > end_col)
3127 selection.end.col = ncol;
3128
3129 } else if (selection.clicks == 2) {
3130 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3131 selection.end.col--;
3132 selection_delimit_word (UP, &(selection.beg),
3133 &(selection.beg));
3134 selection_delimit_word (DN, &(selection.end),
3135 &(selection.end));
3136 } else if (selection.clicks == 3) {
3137#ifndef NO_FRILLS
3138 if ((Options & Opt_tripleclickwords)) {
3139 int end_row;
3140
3141 selection_delimit_word (UP, &(selection.beg),
3142 &(selection.beg));
3143 end_row = screen.tlen[selection.mark.row
3144 + TermWin.saveLines];
3145 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3146 end_row++) {
3147 end_col = screen.tlen[end_row + TermWin.saveLines];
3148 if (end_col != -1) {
3149 selection.end.row = end_row;
3150 selection.end.col = end_col;
3151 selection_remove_trailing_spaces ();
3152 break;
3153 }
3154 }
3155 } else
3156#endif
3157 { 3324 }
3158 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3159 selection.mark.col++;
3160 selection.beg.col = 0;
3161 selection.end.col = ncol;
3162 }
3163 } 3325 }
3164 if (button3 && buttonpress) { /* mark may need to be changed */
3165 if (closeto == LEFT) {
3166 selection.mark.row = selection.end.row;
3167 selection.mark.col = selection.end.col
3168 - (selection.clicks == 2);
3169 } else {
3170 selection.mark.row = selection.beg.row;
3171 selection.mark.col = selection.beg.col;
3172 }
3173 }
3174 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3175#endif /* ! NO_NEW_SELECTION */
3176}
3177 3326
3178#ifndef NO_FRILLS 3327#if !ENABLE_MINIMAL
3179void 3328 if (selection.rect && selection.beg.col > selection.end.col)
3329 ::swap (selection.beg.col, selection.end.col);
3330#endif
3331
3332 selection_changed ();
3333}
3334
3335#if !ENABLE_MINIMAL
3336void ecb_cold
3180rxvt_term::selection_remove_trailing_spaces () 3337rxvt_term::selection_remove_trailing_spaces () NOTHROW
3181{ 3338{
3182 int32_t end_col, end_row; 3339 int32_t end_col, end_row;
3183 text_t *stp; 3340 text_t *stp;
3184 3341
3185 end_col = selection.end.col; 3342 end_col = selection.end.col;
3186 end_row = selection.end.row; 3343 end_row = selection.end.row;
3344
3187 for ( ; end_row >= selection.beg.row; ) { 3345 for (; end_row >= selection.beg.row; )
3188 stp = screen.text[end_row + TermWin.saveLines]; 3346 {
3347 stp = ROW(end_row).t;
3348
3189 while (--end_col >= 0) { 3349 while (--end_col >= 0)
3190 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3191 break;
3192 } 3350 {
3193 if (end_col >= 0 3351 if (stp[end_col] != NOCHAR
3194 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3352 && !unicode::is_space (stp[end_col]))
3195 selection.end.col = end_col + 1;
3196 selection.end.row = end_row;
3197 break; 3353 break;
3198 } 3354 }
3355
3356 if (end_col >= 0
3357 || !ROW(end_row - 1).is_longer ())
3358 {
3359 selection.end.col = end_col + 1;
3360 selection.end.row = end_row;
3361 break;
3362 }
3363
3199 end_row--; 3364 end_row--;
3200 end_col = TermWin.ncol; 3365 end_col = ncol;
3201 } 3366 }
3367
3202 if (selection.mark.row > selection.end.row) { 3368 if (selection.mark.row > selection.end.row)
3369 {
3203 selection.mark.row = selection.end.row; 3370 selection.mark.row = selection.end.row;
3204 selection.mark.col = selection.end.col; 3371 selection.mark.col = selection.end.col;
3372 }
3205 } else if (selection.mark.row == selection.end.row 3373 else if (selection.mark.row == selection.end.row
3206 && selection.mark.col > selection.end.col) 3374 && selection.mark.col > selection.end.col)
3207 selection.mark.col = selection.end.col; 3375 selection.mark.col = selection.end.col;
3208} 3376}
3209#endif 3377#endif
3210 3378
3211/* ------------------------------------------------------------------------- */ 3379/* ------------------------------------------------------------------------- */
3212/* 3380/*
3213 * Double click on button 3 when already selected 3381 * Double click on button 3 when already selected
3214 * EXT: button 3 double click 3382 * EXT: button 3 double click
3215 */ 3383 */
3216void 3384void ecb_cold
3217rxvt_term::selection_rotate (int x, int y) 3385rxvt_term::selection_rotate (int x, int y) NOTHROW
3218{ 3386{
3219 selection.clicks = selection.clicks % 3 + 1; 3387 selection.clicks = selection.clicks % 3 + 1;
3220 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3388 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3221} 3389}
3222
3223/* ------------------------------------------------------------------------- */
3224/*
3225 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3226 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3227 * the X11 protocol.
3228 */
3229typedef CARD32 Atom32;
3230 3390
3231/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3232/* 3392/*
3233 * Respond to a request for our current selection 3393 * Respond to a request for our current selection
3234 * EXT: SelectionRequest 3394 * EXT: SelectionRequest
3235 */ 3395 */
3236void 3396void ecb_cold
3237rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3397rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3238{ 3398{
3399 Atom property = rq.property == None ? rq.target : rq.property;
3239 XSelectionEvent ev; 3400 XSelectionEvent ev;
3240 XTextProperty ct;
3241 XICCEncodingStyle style;
3242 Atom target;
3243 3401
3244 ev.type = SelectionNotify; 3402 ev.type = SelectionNotify;
3245 ev.property = None; 3403 ev.property = None;
3246 ev.display = rq->display; 3404 ev.display = rq.display;
3247 ev.requestor = rq->requestor; 3405 ev.requestor = rq.requestor;
3248 ev.selection = rq->selection; 3406 ev.selection = rq.selection;
3249 ev.target = rq->target; 3407 ev.target = rq.target;
3250 ev.time = rq->time; 3408 ev.time = rq.time;
3251 3409
3252 if (rq->target == xa[XA_TARGETS]) { 3410 if (rq.target == xa[XA_TARGETS])
3411 {
3253 Atom32 target_list[5]; 3412 Atom target_list[6];
3254 Atom32 *target = target_list; 3413 Atom *target = target_list;
3255 3414
3256 *target++ = (Atom32) xa[XA_TARGETS]; 3415 *target++ = xa[XA_TARGETS];
3416 *target++ = xa[XA_TIMESTAMP];
3257 *target++ = (Atom32) XA_STRING; 3417 *target++ = XA_STRING;
3258 *target++ = (Atom32) xa[XA_TEXT]; 3418 *target++ = xa[XA_TEXT];
3259 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3419 *target++ = xa[XA_COMPOUND_TEXT];
3260#if X_HAVE_UTF8_STRING 3420#if X_HAVE_UTF8_STRING
3261 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3421 *target++ = xa[XA_UTF8_STRING];
3262#endif 3422#endif
3423
3263 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3424 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3264 (8 * sizeof(target_list[0])), PropModeReplace, 3425 32, PropModeReplace,
3265 (unsigned char *)target_list, 3426 (unsigned char *)target_list, target - target_list);
3266 target - target_list);
3267 ev.property = rq->property; 3427 ev.property = property;
3428 }
3429#if TODO // TODO
3268 } else if (rq->target == xa[XA_MULTIPLE]) { 3430 else if (rq.target == xa[XA_MULTIPLE])
3431 {
3269 /* TODO: Handle MULTIPLE */ 3432 /* TODO: Handle MULTIPLE */
3270 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3433 }
3434#endif
3435 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3436 {
3271 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3437 XChangeProperty (dpy, rq.requestor, property, rq.target,
3272 (8 * sizeof(Time)), PropModeReplace,
3273 (unsigned char *)&selection_time, 1); 3438 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3274 ev.property = rq->property; 3439 ev.property = property;
3440 }
3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3442 {
3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3444 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3445 ev.property = property;
3446 }
3275 } else if (rq->target == XA_STRING 3447 else if (rq.target == XA_STRING
3276 || rq->target == xa[XA_TEXT] 3448 || rq.target == xa[XA_TEXT]
3277 || rq->target == xa[XA_COMPOUND_TEXT] 3449 || rq.target == xa[XA_COMPOUND_TEXT]
3278 || rq->target == xa[XA_UTF8_STRING] 3450 || rq.target == xa[XA_UTF8_STRING]
3279 ) { 3451 )
3452 {
3453 XTextProperty ct;
3454 Atom target = rq.target;
3280 short freect = 0; 3455 short freect = 0;
3281 int selectlen; 3456 int selectlen;
3282 char *cl; 3457 wchar_t *cl;
3458 enum {
3459 enc_string = XStringStyle,
3460 enc_text = XStdICCTextStyle,
3461 enc_compound_text = XCompoundTextStyle,
3462#ifdef X_HAVE_UTF8_STRING
3463 enc_utf8 = XUTF8StringStyle,
3464#else
3465 enc_utf8 = -1,
3466#endif
3467 } style;
3283 3468
3284 target = rq->target;
3285
3286 if (target == XA_STRING) 3469 if (target == XA_STRING)
3287 // we actually don't do XA_STRING, but who cares, as i18n clients 3470 // we actually don't do XA_STRING, but who cares, as i18n clients
3288 // will ask for another format anyways. 3471 // will ask for another format anyways.
3289 style = XStringStyle; 3472 style = enc_string;
3290 else if (target == xa[XA_TEXT]) 3473 else if (target == xa[XA_TEXT])
3291 style = XTextStyle; 3474 style = enc_text;
3292 else if (target == xa[XA_COMPOUND_TEXT]) 3475 else if (target == xa[XA_COMPOUND_TEXT])
3293 style = XCompoundTextStyle; 3476 style = enc_compound_text;
3294#if X_HAVE_UTF8_STRING 3477#if !ENABLE_MINIMAL
3295 else if (target == xa[XA_UTF8_STRING]) 3478 else if (target == xa[XA_UTF8_STRING])
3296 style = XUTF8StringStyle; 3479 style = enc_utf8;
3297#endif 3480#endif
3298 else 3481 else
3299 { 3482 {
3300 target = xa[XA_COMPOUND_TEXT]; 3483 target = xa[XA_COMPOUND_TEXT];
3301 style = XCompoundTextStyle; 3484 style = enc_compound_text;
3302 } 3485 }
3303 3486
3304 if (selection.text) { 3487 if (rq.selection == XA_PRIMARY && selection.text)
3488 {
3305 cl = (char *)selection.text; 3489 cl = selection.text;
3306 selectlen = selection.len; 3490 selectlen = selection.len;
3491 }
3492 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3493 {
3494 cl = selection.clip_text;
3495 selectlen = selection.clip_len;
3496 }
3307 } else { 3497 else
3498 {
3308 cl = ""; 3499 cl = L"";
3309 selectlen = 0; 3500 selectlen = 0;
3501 }
3502
3503#if !ENABLE_MINIMAL
3504 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3505 // so recode it manually
3506 if (style == enc_utf8)
3310 } 3507 {
3311
3312 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3313 freect = 1; 3508 freect = 1;
3509 ct.encoding = target;
3510 ct.format = 8;
3511 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3512 ct.nitems = strlen ((char *)ct.value);
3513 }
3314 else 3514 else
3515#endif
3516 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3517 freect = 1;
3518 else
3315 { 3519 {
3316 /* if we failed to convert then send it raw */ 3520 /* if we failed to convert then send it raw */
3317 ct.value = (unsigned char *)cl; 3521 ct.value = (unsigned char *)cl;
3318 ct.nitems = selectlen; 3522 ct.nitems = selectlen;
3523 ct.encoding = target;
3319 } 3524 }
3320 3525
3321 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3526 XChangeProperty (dpy, rq.requestor, property,
3322 target, 8, PropModeReplace, 3527 ct.encoding, 8, PropModeReplace,
3323 ct.value, (int)ct.nitems); 3528 ct.value, (int)ct.nitems);
3324 ev.property = rq->property; 3529 ev.property = property;
3325 3530
3326 if (freect) 3531 if (freect)
3327 XFree (ct.value); 3532 XFree (ct.value);
3328 } 3533 }
3534
3329 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3535 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3330} 3536}
3331 3537
3332/* ------------------------------------------------------------------------- * 3538/* ------------------------------------------------------------------------- */
3333 * MOUSE ROUTINES *
3334 * ------------------------------------------------------------------------- */
3335
3336/*
3337 * return col/row values corresponding to x/y pixel values
3338 */
3339void
3340rxvt_term::pixel_position (int *x, int *y)
3341{
3342 *x = Pixel2Col(*x);
3343 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3344 *y = Pixel2Row(*y);
3345 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3346}
3347
3348/* ------------------------------------------------------------------------- */
3349#ifdef USE_XIM 3539#if USE_XIM
3350void 3540void ecb_cold
3351rxvt_term::set_position (XPoint *pos) 3541rxvt_term::im_set_position (XPoint &pos) NOTHROW
3352{ 3542{
3353 XWindowAttributes xwa; 3543 XWindowAttributes xwa;
3354 3544
3355 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3545 XGetWindowAttributes (dpy, vt, &xwa);
3546
3356 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3547 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3357 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3548 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3358} 3549}
3359
3360#endif 3550#endif
3361/* ------------------------------------------------------------------------- */ 3551
3362 3552#if ENABLE_OVERLAY
3553void
3554rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3555{
3556 if (nrow < 1 || ncol < 1)
3557 return;
3558
3559 want_refresh = 1;
3560
3561 scr_overlay_off ();
3562
3563 if (x < 0) x = ncol - w;
3564 if (y < 0) y = nrow - h;
3565
3566 // make space for border
3567 w += 2; min_it (w, ncol);
3568 h += 2; min_it (h, nrow);
3569
3570 x -= 1; clamp_it (x, 0, ncol - w);
3571 y -= 1; clamp_it (y, 0, nrow - h);
3572
3573 ov.x = x; ov.y = y;
3574 ov.w = w; ov.h = h;
3575
3576 ov.text = new text_t *[h];
3577 ov.rend = new rend_t *[h];
3578
3579 for (y = 0; y < h; y++)
3580 {
3581 text_t *tp = ov.text[y] = new text_t[w];
3582 rend_t *rp = ov.rend[y] = new rend_t[w];
3583
3584 text_t t0, t1, t2;
3585 rend_t r = OVERLAY_RSTYLE;
3586
3587 if (y == 0)
3588 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3589 else if (y < h - 1)
3590 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3591 else
3592 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3593
3594 *tp++ = t0;
3595 *rp++ = r;
3596
3597 for (x = w - 2; x > 0; --x)
3598 {
3599 *tp++ = t1;
3600 *rp++ = r;
3601 }
3602
3603 *tp = t2;
3604 *rp = r;
3605 }
3606}
3607
3608void
3609rxvt_term::scr_overlay_off () NOTHROW
3610{
3611 if (!ov.text)
3612 return;
3613
3614 want_refresh = 1;
3615
3616 for (int y = 0; y < ov.h; y++)
3617 {
3618 delete [] ov.text[y];
3619 delete [] ov.rend[y];
3620 }
3621
3622 delete [] ov.text; ov.text = 0;
3623 delete [] ov.rend; ov.rend = 0;
3624}
3625
3626void
3627rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3628{
3629 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3630 return;
3631
3632 x++, y++;
3633
3634 ov.text[y][x] = text;
3635 ov.rend[y][x] = rend;
3636}
3637
3638void
3639rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3640{
3641 while (*s)
3642 scr_overlay_set (x++, y, *s++);
3643}
3644
3645void
3646rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3647{
3648 while (*s)
3649 {
3650 text_t t = *s++;
3651 int width = WCWIDTH (t);
3652
3653 while (width--)
3654 {
3655 scr_overlay_set (x++, y, t);
3656 t = NOCHAR;
3657 }
3658 }
3659}
3660
3661void
3662rxvt_term::scr_swap_overlay () NOTHROW
3663{
3664 if (!ov.text)
3665 return;
3666
3667 // hide cursor if it is within the overlay area
3668 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3669 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3670 screen.flags &= ~Screen_VisibleCursor;
3671
3672 // swap screen mem with overlay
3673 for (int y = ov.h; y--; )
3674 {
3675 text_t *t1 = ov.text[y];
3676 rend_t *r1 = ov.rend[y];
3677
3678 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3679 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3680
3681 for (int x = ov.w; x--; )
3682 {
3683 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3684 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3685 }
3686 }
3687}
3688
3689#endif
3363/* ------------------------------------------------------------------------- * 3690/* ------------------------------------------------------------------------- */
3364 * DEBUG ROUTINES *
3365 * ------------------------------------------------------------------------- */
3366#if 0
3367void
3368rxvt_debug_colors(void)
3369{
3370 int color;
3371 const char *name[] = {
3372 "fg", "bg",
3373 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3374 };
3375 3691
3376 fprintf(stderr, "Color ( ");
3377 if (rstyle & RS_RVid)
3378 fprintf(stderr, "rvid ");
3379 if (rstyle & RS_Bold)
3380 fprintf(stderr, "bold ");
3381 if (rstyle & RS_Blink)
3382 fprintf(stderr, "blink ");
3383 if (rstyle & RS_Uline)
3384 fprintf(stderr, "uline ");
3385 fprintf(stderr, "): ");
3386
3387 color = GET_FGCOLOR(rstyle);
3388#ifndef NO_BRIGHTCOLOR
3389 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3390 color -= (minBrightCOLOR - minCOLOR);
3391 fprintf(stderr, "bright ");
3392 }
3393#endif
3394 fprintf(stderr, "%s on ", name[color]);
3395
3396 color = GET_BGCOLOR(rstyle);
3397#ifndef NO_BRIGHTCOLOR
3398 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3399 color -= (minBrightCOLOR - minCOLOR);
3400 fprintf(stderr, "bright ");
3401 }
3402#endif
3403 fprintf(stderr, "%s\n", name[color]);
3404}
3405#endif

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