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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.21 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.421 by sf-exg, Sun Jun 10 13:07:56 2012 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
6 * 7 *
7 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version. 11 * (at your option) any later version.
… …
16 * 17 *
17 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *--------------------------------------------------------------------------*/ 21 *--------------------------------------------------------------------------*/
22
21/* 23/*
22 * We handle _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
23 */ 25 */
24 26
25#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
26#define INTERN_SCREEN
27#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
28#include "screen.intpro" /* PROTOS for internal routines */ 29#include "rxvtperl.h" /* NECESSARY */
29 30
30#include <X11/Xmd.h> /* get the typedef for CARD32 */
31
32#include <stdint.h> 31#include <inttypes.h>
33#include <wchar.h>
34 32
35#include "salloc.C" // HACK!! 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);
145} 153}
146 154
147/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
148 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
149 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
150void 159void
160rxvt_term::scr_alloc () NOTHROW
161{
162 int tsize = sizeof (text_t) * ncol;
163 int rsize = sizeof (rend_t) * ncol;
164
165 // we assume that rend_t size is a sufficient alignment
166 // factor for text_t and line_t values, and we only
167 // need to adjust tsize.
168 tsize = (tsize + sizeof (rend_t) - 1);
169 tsize -= tsize % sizeof (rend_t);
170
171 int all_rows = total_rows + nrow + nrow;
172
173 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174 chunk = rxvt_malloc (chunk_size);
175
176 char *base = (char *)chunk + sizeof (line_t) * all_rows;
177
178 for (int row = 0; row < all_rows; ++row)
179 {
180 line_t &l = ((line_t *)chunk) [row];
181
182 l.t = (text_t *)base; base += tsize;
183 l.r = (rend_t *)base; base += rsize;
184 l.l = -1;
185 l.f = 0;
186 }
187
188 drawn_buf = (line_t *)chunk;
189 swap_buf = drawn_buf + nrow;
190 row_buf = swap_buf + nrow;
191}
192
193void ecb_cold
151rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
152{ 195{
153 unsigned int ncol, nrow, total_rows, prev_total_rows; 196#if ENABLE_OVERLAY
154 unsigned int p, q; 197 scr_overlay_off ();
155 int k; 198#endif
156 rend_t setrstyle;
157 199
158 D_SCREEN((stderr, "rxvt_scr_reset()"));
159
160 TermWin.view_start = 0; 200 view_start = 0;
161 num_scr = 0; 201 num_scr = 0;
162 202
163 if (TermWin.ncol == 0) 203 if (ncol == 0)
164 TermWin.ncol = 80; 204 ncol = 80;
165 205
166 if (TermWin.nrow == 0) 206 if (nrow == 0)
167 TermWin.nrow = 24; 207 nrow = 24;
168
169 ncol = TermWin.ncol;
170 nrow = TermWin.nrow;
171 208
172 if (ncol == prev_ncol && nrow == prev_nrow) 209 if (ncol == prev_ncol && nrow == prev_nrow)
173 return; 210 return;
174 211
212 // we need at least two lines for wrapping to work correctly
213 while (nrow + saveLines < 2)
214 {
215 //TODO//FIXME
216 saveLines++;
217 prev_nrow--;
218 top_row--;
219 }
220
175 want_refresh = 1; 221 want_refresh = 1;
176 222
223 int prev_total_rows = prev_nrow + saveLines;
177 total_rows = nrow + TermWin.saveLines; 224 total_rows = nrow + saveLines;
178 prev_total_rows = prev_nrow + TermWin.saveLines;
179 225
180 screen.tscroll = 0; 226 screen.tscroll = 0;
181 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
182 228
183 if (!talloc) 229 void *prev_chunk = chunk;
184 { 230 line_t *prev_drawn_buf = drawn_buf;
185 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 231 line_t *prev_swap_buf = swap_buf;
186 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 232 line_t *prev_row_buf = row_buf;
187 } 233
188 234 int common_col = min (prev_ncol, ncol);
189 if (prev_nrow == 0) 235
236 scr_alloc ();
237
238 if (!prev_row_buf)
190 { 239 {
191 /* 240 /*
192 * first time called so just malloc everything : don't rely on realloc 241 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
193 * Note: this is still needed so that all the scrollback lines are NULL
194 */ 242 */
195 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); 243 top_row = 0;
196 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); 244 term_start = 0;
197 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
198 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 245
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)); 246 memset (charsets, 'B', sizeof (charsets));
218 TermWin.nscrolled = 0; /* no saved lines */
219 rstyle = DEFAULT_RSTYLE; 247 rstyle = DEFAULT_RSTYLE;
220 screen.flags = Screen_DefaultFlags; 248 screen.flags = Screen_DefaultFlags;
221 screen.cur.row = screen.cur.col = 0; 249 screen.cur.row = screen.cur.col = 0;
222 screen.charset = 0; 250 screen.charset = 0;
223 current_screen = PRIMARY; 251 current_screen = PRIMARY;
… …
235 selection.text = NULL; 263 selection.text = NULL;
236 selection.len = 0; 264 selection.len = 0;
237 selection.op = SELECTION_CLEAR; 265 selection.op = SELECTION_CLEAR;
238 selection.screen = PRIMARY; 266 selection.screen = PRIMARY;
239 selection.clicks = 0; 267 selection.clicks = 0;
240 CLEAR_ALL_SELECTION (); 268 selection.clip_text = NULL;
241 rvideo = 0; 269 selection.clip_len = 0;
242 } 270 }
243 else 271 else
244 { 272 {
245 /* 273 /*
246 * add or delete rows as appropriate 274 * add or delete rows as appropriate
247 */ 275 */
248 setrstyle = DEFAULT_RSTYLE;
249 276
250 if (nrow < prev_nrow) 277 for (int row = min (nrow, prev_nrow); row--; )
278 {
279 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
280 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
281
282 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
283 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
284 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
285 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
251 { 286 }
252 /* delete rows */
253 k = min (TermWin.nscrolled, prev_nrow - nrow);
254 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
255 287
256 for (p = nrow; p < prev_nrow; p++) 288 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
289 int pend = MOD (term_start + top_row , prev_total_rows);
290 int q = total_rows; // rewrapped row
291
292 if (top_row)
293 {
294 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
295 // to come up with a lean and mean algorithm.
296 // TODO: maybe optimise when width didn't change
297
298 row_col_t ocur = screen.cur;
299 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
300
301 do
257 { 302 {
258 q = p + TermWin.saveLines; 303 p = MOD (p - 1, prev_total_rows);
259 if (screen.text[q]) 304 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
305 int plines = 1;
306 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
307
308 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
260 { 309 {
261#ifdef DEBUG_STRICT 310 p = MOD (p - 1, prev_total_rows);
262 assert (screen.rend[q]); 311
263#endif 312 plines++;
264 talloc->free (screen.text[q]); 313 llen += prev_ncol;
265 ralloc->free (screen.rend[q]);
266 } 314 }
267 if (swap.text[p]) 315
316 int qlines = max (0, (llen - 1) / ncol) + 1;
317
318 // drop partial lines completely
319 if (q < qlines)
320 break;
321
322 q -= qlines;
323
324 int lofs = 0;
325 line_t *qline;
326
327 // re-assemble the full line by destination lines
328 for (int qrow = q; qlines--; qrow++)
268 { 329 {
269#ifdef DEBUG_STRICT 330 qline = row_buf + qrow;
270 assert (swap.rend[p]); 331 qline->alloc (); // redundant with next line
271#endif 332 qline->l = ncol;
272 talloc->free (swap.text[p]); 333 qline->is_longer (1);
273 ralloc->free (swap.rend[p]); 334
335 int qcol = 0;
336
337 // see below for cursor adjustment rationale
338 if (p == ocur.row)
339 screen.cur.row = q - (total_rows - nrow);
340
341 // fill a single destination line
342 while (lofs < llen && qcol < ncol)
343 {
344 int prow = lofs / prev_ncol;
345 int pcol = lofs % prev_ncol;
346
347 prow = MOD (p + prow, prev_total_rows);
348
349 // we only adjust the cursor _row_ and put it into
350 // the topmost line of "long line" it was in, as
351 // this seems to upset applications/shells/readline
352 // least.
353 if (prow == ocur.row)
354 screen.cur.row = q - (total_rows - nrow);
355
356 line_t &pline = prev_row_buf [prow];
357
358 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
359
360 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
361 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
362
363 lofs += len;
364 qcol += len;
365 }
274 } 366 }
275#ifdef DEBUG_STRICT 367
276 assert (drawn_text[p] && drawn_rend[p]); 368 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
277#endif 369 qline->is_longer (0);
278 talloc->free (drawn_text[p]); 370 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
279 ralloc->free (drawn_rend[p]);
280 } 371 }
372 while (p != pend && q > 0);
281 373
282 /* we have fewer rows so fix up cursor position */ 374 term_start = total_rows - nrow;
283 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 375 top_row = q - term_start;
284 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
285 376
286 scr_reset_realloc (); /* realloc _last_ */ 377 // make sure all terminal lines exist
287 } 378 while (top_row > 0)
288 else if (nrow > prev_nrow) 379 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
289 { 380 }
290 /* add rows */ 381 else
291 scr_reset_realloc (); /* realloc _first_ */ 382 {
383 // if no scrollback exists (yet), wing, instead of wrap
292 384
293 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 385 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 { 386 {
299 screen.tlen[p] = 0; 387 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
300 screen.text[p] = NULL; 388 line_t &dst = row_buf [row];
301 screen.rend[p] = NULL; 389
390 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
391
392 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
393 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
302 } 394 }
303 395
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++) 396 for (int row = prev_nrow; row < nrow; row++)
308 { 397 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 }
317 398
318 if (k > 0) 399 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 { 400 }
339 int common = min (prev_ncol, ncol); 401
340 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 402 clamp_it (screen.cur.row, 0, nrow - 1);
341 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 403 clamp_it (screen.cur.col, 0, ncol - 1);
342 404 }
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;
349 405
350 MIN_IT(screen.tlen[p], (int16_t)ncol); 406 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 } 407 {
408 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
409 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
410 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
411 }
412
413 free (prev_chunk);
414
415 free (tabs);
416 tabs = (char *)rxvt_malloc (ncol);
417
418 for (int col = ncol; col--; )
419 tabs [col] = col % TABSIZE == 0;
420
421 CLEAR_ALL_SELECTION ();
395 422
396 prev_nrow = nrow; 423 prev_nrow = nrow;
397 prev_ncol = ncol; 424 prev_ncol = ncol;
398 425
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 (); 426 tt_winch ();
405}
406 427
407void 428 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} 429}
429 430
430/* ------------------------------------------------------------------------- */ 431void ecb_cold
431/*
432 * Free everything. That way malloc debugging can find leakage.
433 */
434void
435rxvt_term::scr_release() 432rxvt_term::scr_release () NOTHROW
436{ 433{
437 uint16_t total_rows; 434 free (chunk); chunk = 0; row_buf = 0;
438 int i; 435 free (tabs); tabs = 0;
439
440 total_rows = TermWin.nrow + TermWin.saveLines;
441
442#ifdef DEBUG_STRICT
443 for (i = 0; i < total_rows; i++)
444 {
445 if (screen.text[i])
446 /* then so is screen.rend[i] */
447 assert(screen.rend[i]);
448 }
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);
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;
473} 436}
474 437
475/* ------------------------------------------------------------------------- */ 438/* ------------------------------------------------------------------------- */
476/* 439/*
477 * Hard reset 440 * Hard/Soft reset
478 */ 441 */
479void 442void ecb_cold
480rxvt_term::scr_poweron () 443rxvt_term::scr_poweron ()
481{ 444{
482 D_SCREEN((stderr, "rxvt_scr_poweron()"));
483
484 scr_release (); 445 scr_release ();
446
485 prev_nrow = prev_ncol = 0; 447 prev_nrow = prev_ncol = 0;
448 rvideo_mode = false;
449 scr_soft_reset ();
486 scr_reset (); 450 scr_reset ();
487 451
488 scr_clear (); 452 scr_clear (true);
489 scr_refresh (SLOW_REFRESH); 453 scr_refresh ();
490#ifdef RXVT_GRAPHICS 454}
491 Gr_reset (); 455
456void ecb_cold
457rxvt_term::scr_soft_reset () NOTHROW
458{
459 /* only affects modes, nothing drastic such as clearing the screen */
460#if ENABLE_OVERLAY
461 scr_overlay_off ();
492#endif 462#endif
463
464 if (current_screen != PRIMARY)
465 scr_swap_screen ();
466
467 scr_scroll_region (0, MAX_ROWS - 1);
468 scr_rendition (0, ~RS_None);
469 scr_insert_mode (0);
493} 470}
494 471
495/* ------------------------------------------------------------------------- * 472/* ------------------------------------------------------------------------- *
496 * PROCESS SCREEN COMMANDS * 473 * PROCESS SCREEN COMMANDS *
497 * ------------------------------------------------------------------------- */ 474 * ------------------------------------------------------------------------- */
… …
499 * Save and Restore cursor 476 * Save and Restore cursor
500 * XTERM_SEQ: Save cursor : ESC 7 477 * XTERM_SEQ: Save cursor : ESC 7
501 * XTERM_SEQ: Restore cursor: ESC 8 478 * XTERM_SEQ: Restore cursor: ESC 8
502 */ 479 */
503void 480void
504rxvt_term::scr_cursor (int mode) 481rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
505{ 482{
506 screen_t *s; 483 screen_t *s;
507
508 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
509 484
510#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 485#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
511 if (current_screen == SECONDARY) 486 if (current_screen == SECONDARY)
512 s = &(swap); 487 s = &swap;
513 else 488 else
514#endif 489#endif
515 s = &(screen); 490 s = &screen;
491
516 switch (mode) { 492 switch (mode)
493 {
517 case SAVE: 494 case SAVE:
518 s->s_cur.row = s->cur.row; 495 s->s_cur.row = screen.cur.row;
519 s->s_cur.col = s->cur.col; 496 s->s_cur.col = screen.cur.col;
520 s->s_rstyle = rstyle; 497 s->s_rstyle = rstyle;
521 s->s_charset = s->charset; 498 s->s_charset = screen.charset;
522 s->s_charset_char = charsets[s->charset]; 499 s->s_charset_char = charsets[screen.charset];
523 break; 500 break;
501
524 case RESTORE: 502 case RESTORE:
525 want_refresh = 1; 503 want_refresh = 1;
526 s->cur.row = s->s_cur.row; 504 screen.cur.row = s->s_cur.row;
527 s->cur.col = s->s_cur.col; 505 screen.cur.col = s->s_cur.col;
528 s->flags &= ~Screen_WrapNext; 506 screen.flags &= ~Screen_WrapNext;
529 rstyle = s->s_rstyle; 507 rstyle = s->s_rstyle;
530 s->charset = s->s_charset; 508 screen.charset = s->s_charset;
531 charsets[s->charset] = s->s_charset_char; 509 charsets[screen.charset] = s->s_charset_char;
532 set_font_style (); 510 set_font_style ();
533 break; 511 break;
534 } 512 }
513
535/* boundary check in case screen size changed between SAVE and RESTORE */ 514 /* boundary check in case screen size changed between SAVE and RESTORE */
536 MIN_IT(s->cur.row, TermWin.nrow - 1); 515 min_it (s->cur.row, nrow - 1);
537 MIN_IT(s->cur.col, TermWin.ncol - 1); 516 min_it (s->cur.col, ncol - 1);
538#ifdef DEBUG_STRICT
539 assert(s->cur.row >= 0); 517 assert (s->cur.row >= 0);
540 assert(s->cur.col >= 0); 518 assert (s->cur.col >= 0);
541#else /* drive with your eyes closed */ 519}
542 MAX_IT(s->cur.row, 0); 520
543 MAX_IT(s->cur.col, 0); 521void
544#endif 522rxvt_term::scr_swap_screen () NOTHROW
523{
524 if (!option (Opt_secondaryScreen))
525 return;
526
527 for (int i = prev_nrow; i--; )
528 ::swap (ROW(i), swap_buf [i]);
529
530 ::swap (screen.cur, swap.cur);
531
532 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
533 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
545} 534}
546 535
547/* ------------------------------------------------------------------------- */ 536/* ------------------------------------------------------------------------- */
548/* 537/*
549 * Swap between primary and secondary screens 538 * Swap between primary and secondary screens
550 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 539 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
551 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 540 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
552 */ 541 */
553int 542void
554rxvt_term::scr_change_screen (int scrn) 543rxvt_term::scr_change_screen (int scrn)
555{ 544{
556 int i; 545 if (scrn == current_screen)
546 return;
547
548 want_refresh = 1;
549 view_start = 0;
550
551 /* check for boundary cross */
552 row_col_t pos;
553 pos.row = pos.col = 0;
554 if (ROWCOL_IS_BEFORE (selection.beg, pos)
555 && ROWCOL_IS_AFTER (selection.end, pos))
556 CLEAR_SELECTION ();
557
558 current_screen = scrn;
559
557#if NSCREENS 560#if NSCREENS
558 int offset; 561 if (option (Opt_secondaryScreen))
559#endif 562 {
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; 563 num_scr = 0;
575 offset = TermWin.saveLines; 564
576 for (i = prev_nrow; i--;) { 565 scr_swap_screen ();
577 SWAP_IT(screen.text[i + offset], swap.text[i], text_t *); 566
578 SWAP_IT(screen.tlen[i + offset], swap.tlen[i], int16_t); 567 ::swap (screen.charset, swap.charset);
579 SWAP_IT(screen.rend[i + offset], swap.rend[i], rend_t *); 568 ::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; 569 screen.flags |= Screen_VisibleCursor;
595 swap.flags |= Screen_VisibleCursor; 570 swap.flags |= Screen_VisibleCursor;
596
597# ifdef RXVT_GRAPHICS
598
599 if (Gr_Displayed ()) {
600 Gr_scroll (0);
601 Gr_ChangeScreen ();
602 } 571 }
572 else
603# endif 573#endif
604#else 574 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); 575 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
616# endif 576}
617#endif 577
578// clear WrapNext indicator, solidifying position on next line
579void
580rxvt_term::scr_do_wrap () NOTHROW
581{
582 if (!(screen.flags & Screen_WrapNext))
618 return scrn; 583 return;
584
585 screen.flags &= ~Screen_WrapNext;
586
587 screen.cur.col = 0;
588
589 if (screen.cur.row == screen.bscroll)
590 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
591 else if (screen.cur.row < nrow - 1)
592 screen.cur.row++;
619} 593}
620 594
621/* ------------------------------------------------------------------------- */ 595/* ------------------------------------------------------------------------- */
622/* 596/*
623 * Change the colour for following text 597 * Change the colour for following text
624 */ 598 */
625void 599void
626rxvt_term::scr_color (unsigned int color, int fgbg) 600rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
627{ 601{
602 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
628 color &= RS_fgMask; 603 color = fgbg;
604
629 if (fgbg == Color_fg) 605 if (fgbg == Color_fg)
630 rstyle = SET_FGCOLOR(rstyle, color); 606 rstyle = SET_FGCOLOR (rstyle, color);
631 else 607 else
632 rstyle = SET_BGCOLOR(rstyle, color); 608 rstyle = SET_BGCOLOR (rstyle, color);
633} 609}
634 610
635/* ------------------------------------------------------------------------- */ 611/* ------------------------------------------------------------------------- */
636/* 612/*
637 * Change the rendition style for following text 613 * Change the rendition style for following text
638 */ 614 */
639void 615void
640rxvt_term::scr_rendition (int set, int style) 616rxvt_term::scr_rendition (int set, int style) NOTHROW
641{ 617{
642 if (set) 618 if (set)
643 rstyle |= style; 619 rstyle |= style;
644 else if (style == ~RS_None) 620 else if (style == ~RS_None)
645 rstyle = DEFAULT_RSTYLE; 621 rstyle = DEFAULT_RSTYLE;
646 else 622 else
647 rstyle &= ~style; 623 rstyle &= ~style;
648} 624}
649 625
650/* ------------------------------------------------------------------------- */ 626/* ------------------------------------------------------------------------- */
651/* 627/*
652 * Scroll text between <row1> and <row2> inclusive, by <count> lines 628 * Scroll text between <row1> and <row2> inclusive, by <count> lines
653 * count positive ==> scroll up 629 * count positive ==> scroll up
654 * count negative ==> scroll down 630 * count negative ==> scroll down
655 * spec == 0 for normal routines
656 */ 631 */
657int 632int ecb_hot
658rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 633rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
659{ 634{
660 int i, j;
661 long nscrolled;
662
663 if (count == 0 || (row1 > row2)) 635 if (count == 0 || (row1 > row2))
664 return 0; 636 return 0;
665 637
666 want_refresh = 1; 638 want_refresh = 1;
667 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 639 num_scr += count;
668 640
669 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 641 if (count > 0
642 && row1 == 0
643 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
644 {
645 min_it (count, total_rows - (nrow - (row2 + 1)));
646
647 top_row = max (top_row - count, -saveLines);
648
649 // sever bottommost line
670 { 650 {
671 nscrolled = (long)TermWin.nscrolled + (long)count; 651 line_t &l = ROW(row2);
652 l.is_longer (0);
653 l.touch ();
654 }
672 655
673 if (nscrolled > (long)TermWin.saveLines) 656 // scroll everything up 'count' lines
674 TermWin.nscrolled = TermWin.saveLines; 657 term_start = (term_start + count) % total_rows;
658
659 // now copy lines below the scroll region bottom to the
660 // bottom of the screen again, so they look as if they
661 // hadn't moved.
662 for (int i = nrow; --i > row2; )
663 {
664 line_t &l1 = ROW(i - count);
665 line_t &l2 = ROW(i);
666
667 ::swap (l1, l2);
668 l2.touch ();
669 }
670
671 // erase newly scrolled-in lines
672 for (int i = count; i--; )
673 {
674 line_t &l = ROW(row2 - i);
675
676 // optimise if already cleared, can be significant on slow machines
677 // could be rolled into scr_blank_screen_mem
678 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
679 {
680 scr_blank_line (l, 0, l.l, rstyle);
681 l.l = 0;
682 l.f = 0;
683 }
675 else 684 else
676 TermWin.nscrolled = (uint16_t)nscrolled; 685 scr_blank_screen_mem (l, rstyle);
686 }
677 687
688 // move and/or clear selection, if any
689 if (selection.op && current_screen == selection.screen
690 && selection.beg.row <= row2)
691 {
692 selection.beg.row -= count;
693 selection.end.row -= count;
694 selection.mark.row -= count;
695
696 selection_check (0);
697 }
698
699 // finally move the view window, if desired
678 if ((Options & Opt_scrollWithBuffer) 700 if (option (Opt_scrollWithBuffer)
679 && TermWin.view_start != 0 701 && view_start != 0
680 && TermWin.view_start != TermWin.saveLines) 702 && view_start != -saveLines)
681 scr_page (UP, count); 703 scr_page (UP, count);
704
705 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
706 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
707 }
708 else
682 } 709 {
683 else if (!spec)
684 row1 += TermWin.saveLines;
685
686 row2 += TermWin.saveLines;
687
688 if (selection.op && current_screen == selection.screen) 710 if (selection.op && current_screen == selection.screen)
689 { 711 {
690 i = selection.beg.row + TermWin.saveLines; 712 if ((selection.beg.row < row1 && selection.end.row > row1)
691 j = selection.end.row + TermWin.saveLines; 713 || (selection.beg.row < row2 && selection.end.row > row2)
692 if ((i < row1 && j > row1) 714 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
693 || (i < row2 && j > row2) 715 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
694 || (i - count < row1 && i >= row1) 716 || (selection.end.row - count < row1 && selection.end.row >= row1)
695 || (i - count > row2 && i <= row2) 717 || (selection.end.row - count > row2 && selection.end.row <= row2))
696 || (j - count < row1 && j >= row1)
697 || (j - count > row2 && j <= row2))
698 { 718 {
699 CLEAR_ALL_SELECTION (); 719 CLEAR_ALL_SELECTION ();
700 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 720 selection.op = SELECTION_CLEAR;
701 } 721 }
702 else if (j >= row1 && j <= row2) 722 else if (selection.end.row >= row1 && selection.end.row <= row2)
703 { 723 {
704 /* move selected region too */ 724 /* move selected region too */
705 selection.beg.row -= count; 725 selection.beg.row -= count;
706 selection.end.row -= count; 726 selection.end.row -= count;
707 selection.mark.row -= count; 727 selection.mark.row -= count;
728
729 selection_check (0);
708 } 730 }
709 }
710
711 selection_check (0); /* _after_ TermWin.nscrolled update */
712
713 num_scr += count;
714 j = count;
715
716 if (count < 0)
717 count = -count;
718
719 i = row2 - row1 + 1;
720 MIN_IT(count, i);
721
722 if (j > 0)
723 {
724 /* A: scroll up */
725
726 /* A1: Copy lines that will get clobbered by the rotation */
727 for (i = 0, j = row1; i < count; i++, j++)
728 { 731 }
729 buf_text[i] = screen.text[j]; 732
730 buf_rend[i] = screen.rend[j]; 733 // use a simple and robust scrolling algorithm, this
734 // part of scr_scroll_text is not time-critical.
735
736 // sever line above scroll region
737 if (row1)
731 } 738 {
732 /* A2: Rotate lines */ 739 line_t &l = ROW(row1 - 1);
733 for (j = row1, i = j + count; i <= row2; i++, j++) 740 l.is_longer (0);
741 l.touch ();
734 { 742 }
735 screen.tlen[j] = screen.tlen[i]; 743
736 screen.text[j] = screen.text[i]; 744 int rows = row2 - row1 + 1;
737 screen.rend[j] = screen.rend[i]; 745
746 min_it (count, rows);
747
748 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
749
750 for (int row = 0; row < rows; row++)
738 } 751 {
739 j = row2 - count + 1, i = count; 752 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
740 }
741 else /* if (j < 0) */
742 {
743 /* B: scroll down */
744 753
745 /* B1: Copy lines that will get clobbered by the rotation */ 754 if (!IN_RANGE_EXC (row + count, 0, rows))
746 for (i = 0, j = row2; i < count; i++, j--) 755 scr_blank_screen_mem (temp_buf [row], rstyle);
747 { 756 }
748 buf_text[i] = screen.text[j]; 757
749 buf_rend[i] = screen.rend[j]; 758 for (int row = 0; row < rows; row++)
750 } 759 ROW(row1 + row) = temp_buf [row];
751 /* B2: Rotate lines */ 760
752 for (j = row2, i = j - count; i >= row1; i--, j--) 761 // sever bottommost line
753 { 762 {
754 screen.tlen[j] = screen.tlen[i]; 763 line_t &l = ROW(row2);
755 screen.text[j] = screen.text[i]; 764 l.is_longer (0);
756 screen.rend[j] = screen.rend[i]; 765 l.touch ();
757 } 766 }
758 j = row1, i = count;
759 count = -count;
760 }
761
762 /* C: Resurrect lines */
763 for (; i--; j++)
764 { 767 }
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
778 768
779 return count; 769 return count;
780} 770}
781 771
782/* ------------------------------------------------------------------------- */ 772/* ------------------------------------------------------------------------- */
783/* 773/*
784 * Add text given in <str> of length <len> to screen struct 774 * Add text given in <str> of length <len> to screen struct
785 */ 775 */
786void 776void ecb_hot
787rxvt_term::scr_add_lines (const uint32_t *str, int nlines, int len) 777rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
788{ 778{
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 */ 779 if (len <= 0) /* sanity */
796 return; 780 return;
797 781
782 bool checksel;
783 unicode_t c;
784 int ncol = this->ncol;
785 const wchar_t *strend = str + len;
786
798 want_refresh = 1; 787 want_refresh = 1;
799 last_col = TermWin.ncol;
800
801 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
802 ZERO_SCROLLBACK(); 788 ZERO_SCROLLBACK ();
789
803 if (nlines > 0) { 790 if (minlines > 0)
791 {
804 nlines += (screen.cur.row - screen.bscroll); 792 minlines += screen.cur.row - screen.bscroll;
793 min_it (minlines, screen.cur.row - top_row);
794
805 if ((nlines > 0) 795 if (minlines > 0
806 && (screen.tscroll == 0) 796 && screen.tscroll == 0
807 && (screen.bscroll == (TermWin.nrow - 1))) { 797 && screen.bscroll == nrow - 1)
798 {
808 /* _at least_ this many lines need to be scrolled */ 799 /* _at least_ this many lines need to be scrolled */
809 scr_scroll_text(screen.tscroll, screen.bscroll, nlines, 0); 800 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
810 screen.cur.row -= nlines; 801 screen.cur.row -= minlines;
811 } 802 }
812 } 803 }
813#ifdef DEBUG_STRICT 804
814 assert(screen.cur.col < last_col); 805 assert (screen.cur.col < ncol);
815 assert((screen.cur.row < TermWin.nrow) 806 assert (screen.cur.row < nrow
816 && (screen.cur.row >= -(int32_t)TermWin.nscrolled)); 807 && screen.cur.row >= top_row);
817#else /* drive with your eyes closed */ 808 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;
823 809
824 checksel = (selection.op 810 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
825 && current_screen == selection.screen) ? 1 : 0;
826 clearsel = 0;
827 811
828 stp = screen.text[row]; 812 line_t *line = &ROW(row);
829 srp = screen.rend[row];
830 813
831 for (i = 0; i < len;) { 814 while (str < strend)
832 c = str[i++]; 815 {
833 switch (c) { 816 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
834 case '\t': 817
835 scr_tab (1); 818 if (ecb_unlikely (c < 0x20))
819 if (c == C0_LF)
820 {
821 max_it (line->l, screen.cur.col);
822
823 screen.flags &= ~Screen_WrapNext;
824
825 if (screen.cur.row == screen.bscroll)
826 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
827 else if (screen.cur.row < (nrow - 1))
828 row = ++screen.cur.row;
829
830 line = &ROW(row); /* _must_ refresh */
836 continue; 831 continue;
837 case '\n': 832 }
838 if (screen.tlen[row] != -1) /* XXX: think about this */ 833 else if (c == C0_CR)
839 MAX_IT(screen.tlen[row], screen.cur.col); 834 {
840 screen.flags &= ~Screen_WrapNext; 835 max_it (line->l, screen.cur.col);
841 if (screen.cur.row == screen.bscroll) 836
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; 837 screen.flags &= ~Screen_WrapNext;
852 screen.cur.col = 0; 838 screen.cur.col = 0;
853 continue; 839 continue;
854 default:
855 if (c == 127)
856 continue; /* yummmm..... */
857 break;
858 } 840 }
841 else if (c == C0_HT)
842 {
843 scr_tab (1, true);
844 continue;
845 }
859 846
847 if (ecb_unlikely (
860 if (checksel /* see if we're writing within selection */ 848 checksel /* see if we're writing within selection */
861 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 849 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
862 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) { 850 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
851 ))
852 {
863 checksel = 0; 853 checksel = 0;
864 clearsel = 1; 854 /*
855 * If we wrote anywhere in the selected area, kill the selection
856 * XXX: should we kill the mark too? Possibly, but maybe that
857 * should be a similar check.
858 */
859 CLEAR_SELECTION ();
860 }
861
862 if (ecb_unlikely (screen.flags & Screen_WrapNext))
865 } 863 {
866 if (screen.flags & Screen_WrapNext) { 864 scr_do_wrap ();
867 screen.tlen[row] = -1; 865
868 if (screen.cur.row == screen.bscroll) 866 line->l = ncol;
869 scr_scroll_text(screen.tscroll, screen.bscroll, 1, 0); 867 line->is_longer (1);
870 else if (screen.cur.row < (TermWin.nrow - 1)) 868
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; 869 row = screen.cur.row;
875 screen.flags &= ~Screen_WrapNext; 870 line = &ROW(row); /* _must_ refresh */
871 }
872
873 // some utf-8 decoders "decode" surrogate characters: let's fix this.
874 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
875 c = 0xfffd;
876
877 // rely on wcwidth to tell us the character width, do wcwidth before
878 // further replacements, as wcwidth might return -1 for the line
879 // drawing characters below as they might be invalid in the current
880 // locale.
881 int width = WCWIDTH (c);
882
883 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
876 } 884 {
877 if (screen.flags & Screen_Insert) 885 // vt100 special graphics and line drawing
878 scr_insdel_chars (1, INSERT); 886 // 5f-7e standard vt100
887 // 40-5e rxvt extension for extra curses acs chars
888 static uint16_t vt100_0[62] = { // 41 .. 7e
889 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
890 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
891 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
892 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
893 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
894 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
895 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
896 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
897 };
879 898
880 if (charsets[screen.charset] == '0') // DEC SPECIAL 899 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
881 switch (c)
882 { 900 {
883 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 901 c = vt100_0[c - 0x41];
884 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 902 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 } 903 }
904 }
895 905
896 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c)); 906 if (ecb_unlikely (screen.flags & Screen_Insert))
897 // rely on wcwidth to tell us the character width, at least for non-ascii 907 scr_insdel_chars (width, INSERT);
898 int width = c <= 128 ? 1 : wcwidth (c);
899 908
900 // width -1 characters (e.g. combining chars) are ignored currently.
901 if (width > 0) 909 if (width != 0)
910 {
911#if !UNICODE_3
912 // trim characters we can't store directly :(
913 if (c >= 0x10000)
914# if ENABLE_COMBINING
915 c = rxvt_composite.compose (c); // map to lower 16 bits
916# else
917 c = 0xfffd;
918# endif
919#endif
920
921 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
922
923 // if the character doesn't fit into the remaining columns...
924 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
925 {
926 if (screen.flags & Screen_Autowrap)
927 {
928 // ... artificially enlargen the previous one
929 c = NOCHAR;
930 // and try the same character next loop iteration
931 --str;
932 }
933 else
934 screen.cur.col = ncol - width;
935 }
936
937 // nuke the character at this position, if required
938 // due to wonderful coincidences everywhere else in this loop
939 // we never have to check for overwriting a wide char itself,
940 // only its tail.
941 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
942 scr_kill_char (*line, screen.cur.col);
943
944 line->touch ();
945
902 do 946 do
903 { 947 {
904 stp[screen.cur.col] = c; 948 line->t[screen.cur.col] = c;
905 srp[screen.cur.col] = rend; 949 line->r[screen.cur.col] = rend;
906 950
907 if (screen.cur.col < last_col - 1) 951 if (ecb_likely (screen.cur.col < ncol - 1))
908 screen.cur.col++; 952 screen.cur.col++;
909 else 953 else
910 { 954 {
911 screen.tlen[row] = last_col; 955 line->l = ncol;
912 if (screen.flags & Screen_Autowrap) 956 if (screen.flags & Screen_Autowrap)
913 screen.flags |= Screen_WrapNext; 957 screen.flags |= Screen_WrapNext;
914 break; 958
959 goto end_of_line;
915 } 960 }
916 961
917 c = NOCHAR; 962 c = NOCHAR;
918 } 963 }
919 while (--width > 0); 964 while (ecb_unlikely (--width > 0));
965
966 // pad with spaces when overwriting wide character with smaller one
967 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
968 {
969 line->t[c] = ' ';
970 line->r[c] = rend;
971 }
972
973end_of_line:
974 ;
975 }
976#if ENABLE_COMBINING
977 else // width == 0
978 {
979 if (c != 0xfeff) // ignore BOM
980 {
981 // handle combining characters
982 // we just tag the accent on the previous on-screen character.
983 // this is arguably not correct, but also arguably not wrong.
984 // we don't handle double-width characters nicely yet.
985 line_t *linep;
986 text_t *tp;
987 rend_t *rp;
988
989 if (screen.cur.col > 0)
990 {
991 linep = line;
992 tp = line->t + screen.cur.col - 1;
993 rp = line->r + screen.cur.col - 1;
994 }
995 else if (screen.cur.row > 0
996 && ROW(screen.cur.row - 1).is_longer ())
997 {
998 linep = &ROW(screen.cur.row - 1);
999 tp = line->t + ncol - 1;
1000 rp = line->r + ncol - 1;
1001 }
920 else 1002 else
921 (void)0; /* handle combining character etc. here. */ 1003 continue;
922 }
923 1004
924 if (screen.tlen[row] != -1) /* XXX: think about this */ 1005 linep->touch ();
925 MAX_IT(screen.tlen[row], screen.cur.col);
926 1006
927/* 1007 while (*tp == NOCHAR && tp > linep->t)
928 * If we wrote anywhere in the selected area, kill the selection 1008 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 1009
935#ifdef DEBUG_STRICT 1010 // first try to find a precomposed character
1011 unicode_t n = rxvt_compose (*tp, c);
1012 if (n == NOCHAR)
1013 n = rxvt_composite.compose (*tp, c);
1014
1015 *tp = n;
1016 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1017 }
1018 }
1019#endif
1020 }
1021
1022 max_it (line->l, screen.cur.col);
1023
936 assert(screen.cur.row >= 0); 1024 assert (screen.cur.row >= 0);
937#else /* drive with your eyes closed */
938 MAX_IT(screen.cur.row, 0);
939#endif
940} 1025}
941 1026
942/* ------------------------------------------------------------------------- */ 1027/* ------------------------------------------------------------------------- */
943/* 1028/*
944 * Process Backspace. Move back the cursor back a position, wrap if have to 1029 * Process Backspace. Move back the cursor back a position, wrap if have to
945 * XTERM_SEQ: CTRL-H 1030 * XTERM_SEQ: CTRL-H
946 */ 1031 */
947void 1032void
948rxvt_term::scr_backspace () 1033rxvt_term::scr_backspace () NOTHROW
949{ 1034{
950 want_refresh = 1;
951 if (screen.cur.col == 0) { 1035 if (screen.cur.col == 0)
1036 {
952 if (screen.cur.row > 0) { 1037 if (screen.cur.row > 0)
1038 {
953#ifdef TERMCAP_HAS_BW 1039#ifdef TERMCAP_HAS_BW
954 screen.cur.col = TermWin.ncol - 1; 1040 screen.cur.col = ncol - 1;
955 screen.cur.row--; 1041 --screen.cur.row;
956 return; 1042
1043 want_refresh = 1;
957#endif 1044#endif
958 } 1045 }
1046 }
959 } else if ((screen.flags & Screen_WrapNext) == 0) 1047 else if (screen.flags & Screen_WrapNext)
960 scr_gotorc (0, -1, RELATIVE);
961 screen.flags &= ~Screen_WrapNext; 1048 screen.flags &= ~Screen_WrapNext;
1049 else
1050 scr_gotorc (0, -1, RELATIVE);
962} 1051}
963 1052
964/* ------------------------------------------------------------------------- */ 1053/* ------------------------------------------------------------------------- */
965/* 1054/*
966 * Process Horizontal Tab 1055 * Process Horizontal Tab
967 * count: +ve = forward; -ve = backwards 1056 * count: +ve = forward; -ve = backwards
968 * XTERM_SEQ: CTRL-I 1057 * XTERM_SEQ: CTRL-I
969 */ 1058 */
970void 1059void
971rxvt_term::scr_tab (int count) 1060rxvt_term::scr_tab (int count, bool ht) NOTHROW
972{ 1061{
973 int i, x; 1062 int i, x;
974 1063
975 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
976 want_refresh = 1; 1064 want_refresh = 1;
977 i = x = screen.cur.col; 1065 i = x = screen.cur.col;
1066
978 if (count == 0) 1067 if (count == 0)
979 return; 1068 return;
980 else if (count > 0) { 1069 else if (count > 0)
1070 {
1071 line_t &l = ROW(screen.cur.row);
1072 rend_t base_rend = l.r[i];
1073 ht &= l.t[i] == ' ';
1074
981 for (; ++i < TermWin.ncol; ) 1075 for (; ++i < ncol; )
982 if (tabs[i]) { 1076 if (tabs[i])
1077 {
983 x = i; 1078 x = i;
1079
984 if (!--count) 1080 if (!--count)
985 break; 1081 break;
1082 }
1083 else
1084 ht &= l.t[i] == ' '
1085 && RS_SAME (l.r[i], base_rend);
1086
1087 if (count)
1088 x = ncol - 1;
1089
1090 // store horizontal tab commands as characters inside the text
1091 // buffer so they can be selected and pasted.
1092 if (ht && option (Opt_pastableTabs))
1093 {
1094 base_rend = SET_FONT (base_rend, 0);
1095
1096 l.touch (x);
1097
1098 i = screen.cur.col;
1099
1100 l.t[i] = '\t';
1101 l.r[i] = base_rend;
1102
1103 while (++i < x)
1104 {
1105 l.t[i] = NOCHAR;
1106 l.r[i] = base_rend;
986 } 1107 }
987 if (count) 1108 }
988 x = TermWin.ncol - 1; 1109 }
989 } else /* if (count < 0) */ { 1110 else /* if (count < 0) */
1111 {
990 for (; --i >= 0; ) 1112 for (; --i >= 0; )
991 if (tabs[i]) { 1113 if (tabs[i])
992 x = i;
993 if (!++count)
994 break;
995 } 1114 {
996 if (count)
997 x = 0; 1115 x = i;
1116 if (!++count)
1117 break;
1118 }
1119
1120 if (count)
1121 x = 0;
998 } 1122 }
1123
999 if (x != screen.cur.col) 1124 if (x != screen.cur.col)
1000 scr_gotorc (0, x, R_RELATIVE); 1125 scr_gotorc (0, x, R_RELATIVE);
1001} 1126}
1002 1127
1003/* ------------------------------------------------------------------------- */ 1128/* ------------------------------------------------------------------------- */
1004/* 1129/*
1005 * Process DEC Back Index 1130 * Process DEC Back Index
1006 * XTERM_SEQ: ESC 6 1131 * XTERM_SEQ: ESC 6
1007 * Move cursor left in row. If we're at the left boundary, shift everything 1132 * Move cursor left in row. If we're at the left boundary, shift everything
1008 * in that row right. Clear left column. 1133 * in that row right. Clear left column.
1009 */ 1134 */
1010#ifndef NO_FRILLS 1135#if !ENABLE_MINIMAL
1011void 1136void ecb_cold
1012rxvt_term::scr_backindex () 1137rxvt_term::scr_backindex () NOTHROW
1013{ 1138{
1014 if (screen.cur.col > 0) 1139 if (screen.cur.col > 0)
1015 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1140 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1016 else { 1141 else
1017 if (screen.tlen[screen.cur.row + TermWin.saveLines] == 0)
1018 return; /* um, yeah? */
1019 scr_insdel_chars (1, INSERT); 1142 scr_insdel_chars (1, INSERT);
1020 }
1021} 1143}
1022#endif 1144#endif
1023/* ------------------------------------------------------------------------- */ 1145/* ------------------------------------------------------------------------- */
1024/* 1146/*
1025 * Process DEC Forward Index 1147 * Process DEC Forward Index
1026 * XTERM_SEQ: ESC 9 1148 * XTERM_SEQ: ESC 9
1027 * Move cursor right in row. If we're at the right boundary, shift everything 1149 * Move cursor right in row. If we're at the right boundary, shift everything
1028 * in that row left. Clear right column. 1150 * in that row left. Clear right column.
1029 */ 1151 */
1030#ifndef NO_FRILLS 1152#if !ENABLE_MINIMAL
1031void 1153void ecb_cold
1032rxvt_term::scr_forwardindex () 1154rxvt_term::scr_forwardindex () NOTHROW
1033{ 1155{
1034 int row;
1035
1036 if (screen.cur.col < TermWin.ncol - 1) 1156 if (screen.cur.col < ncol - 1)
1037 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1157 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1038 else { 1158 else
1039 row = screen.cur.row + TermWin.saveLines; 1159 {
1040 if (screen.tlen[row] == 0) 1160 line_t &l = ROW(screen.cur.row);
1041 return; /* um, yeah? */ 1161
1042 else if (screen.tlen[row] == -1) 1162 l.touch ();
1043 screen.tlen[row] = TermWin.ncol; 1163 l.is_longer (0);
1164
1044 scr_gotorc (0, 0, R_RELATIVE); 1165 scr_gotorc (0, 0, R_RELATIVE);
1045 scr_insdel_chars (1, DELETE); 1166 scr_insdel_chars (1, DELETE);
1046 scr_gotorc (0, TermWin.ncol - 1, R_RELATIVE); 1167 scr_gotorc (0, ncol - 1, R_RELATIVE);
1047 } 1168 }
1048} 1169}
1049#endif 1170#endif
1050 1171
1051/* ------------------------------------------------------------------------- */ 1172/* ------------------------------------------------------------------------- */
1052/* 1173/*
1053 * Goto Row/Column 1174 * Goto Row/Column
1054 */ 1175 */
1055void 1176void
1056rxvt_term::scr_gotorc (int row, int col, int relative) 1177rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1057{ 1178{
1058 want_refresh = 1; 1179 want_refresh = 1;
1059 ZERO_SCROLLBACK(); 1180 ZERO_SCROLLBACK ();
1060#ifdef RXVT_GRAPHICS
1061 if (Gr_Displayed ())
1062 Gr_scroll (0);
1063#endif
1064 1181
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) 1182 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1068 : col); 1183 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 1184
1072 screen.flags &= ~Screen_WrapNext; 1185 screen.flags &= ~Screen_WrapNext;
1186
1073 if (relative & R_RELATIVE) { 1187 if (relative & R_RELATIVE)
1188 {
1074 if (row > 0) { 1189 if (row > 0)
1190 {
1075 if (screen.cur.row <= screen.bscroll 1191 if (screen.cur.row <= screen.bscroll
1076 && (screen.cur.row + row) > screen.bscroll) 1192 && (screen.cur.row + row) > screen.bscroll)
1077 screen.cur.row = screen.bscroll; 1193 screen.cur.row = screen.bscroll;
1078 else 1194 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; 1195 screen.cur.row += row;
1196 }
1197 else if (row < 0)
1198 {
1199 if (screen.cur.row >= screen.tscroll
1200 && (screen.cur.row + row) < screen.tscroll)
1201 screen.cur.row = screen.tscroll;
1202 else
1203 screen.cur.row += row;
1204 }
1205 }
1206 else
1093 } 1207 {
1094 MAX_IT(screen.cur.row, 0); 1208 if (screen.flags & Screen_Relative)
1095 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1209 {
1096} 1210 /* relative origin mode */
1211 screen.cur.row = row + screen.tscroll;
1212 min_it (screen.cur.row, screen.bscroll);
1213 }
1214 else
1215 screen.cur.row = row;
1216 }
1097 1217
1218 clamp_it (screen.cur.row, 0, nrow - 1);
1219}
1220
1098/* ------------------------------------------------------------------------- */ 1221/* ------------------------------------------------------------------------- */
1099/* 1222/*
1100 * direction should be UP or DN 1223 * direction should be UP or DN
1101 */ 1224 */
1102void 1225void
1103rxvt_term::scr_index (enum page_dirn direction) 1226rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1104{ 1227{
1105 int dirn; 1228 int dirn;
1106 1229
1107 want_refresh = 1; 1230 want_refresh = 1;
1231 ZERO_SCROLLBACK ();
1232
1108 dirn = ((direction == UP) ? 1 : -1); 1233 dirn = ((direction == UP) ? 1 : -1);
1109 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1110 1234
1111 ZERO_SCROLLBACK();
1112
1113#ifdef RXVT_GRAPHICS
1114 if (Gr_Displayed ())
1115 Gr_scroll (0);
1116#endif
1117
1118 screen.flags &= ~Screen_WrapNext; 1235 screen.flags &= ~Screen_WrapNext;
1236
1119 if ((screen.cur.row == screen.bscroll && direction == UP) 1237 if ((screen.cur.row == screen.bscroll && direction == UP)
1120 || (screen.cur.row == screen.tscroll && direction == DN)) 1238 || (screen.cur.row == screen.tscroll && direction == DN))
1121 scr_scroll_text(screen.tscroll, screen.bscroll, dirn, 0); 1239 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1122 else 1240 else
1123 screen.cur.row += dirn; 1241 screen.cur.row += dirn;
1124 MAX_IT(screen.cur.row, 0); 1242
1125 MIN_IT(screen.cur.row, (int32_t)TermWin.nrow - 1); 1243 clamp_it (screen.cur.row, 0, nrow - 1);
1126 selection_check (0); 1244 selection_check (0);
1127} 1245}
1128 1246
1129/* ------------------------------------------------------------------------- */ 1247/* ------------------------------------------------------------------------- */
1130/* 1248/*
1131 * Erase part or whole of a line 1249 * Erase part or whole of a line
1132 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1250 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1133 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1251 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1134 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1252 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1253 * extension: clear to right unless wrapped: ESC [ 3 K
1135 */ 1254 */
1136void 1255void
1137rxvt_term::scr_erase_line (int mode) 1256rxvt_term::scr_erase_line (int mode) NOTHROW
1138{ 1257{
1139 unsigned int row, col, num; 1258 unsigned int col, num;
1140 1259
1141 want_refresh = 1; 1260 want_refresh = 1;
1142 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, screen.cur.row));
1143 ZERO_SCROLLBACK (); 1261 ZERO_SCROLLBACK ();
1144 1262
1145#ifdef RXVT_GRAPHICS
1146 if (Gr_Displayed ())
1147 Gr_scroll (0);
1148#endif
1149
1150 selection_check (1); 1263 selection_check (1);
1151 1264
1152 screen.flags &= ~Screen_WrapNext; 1265 line_t &line = ROW(screen.cur.row);
1153 1266
1154 row = TermWin.saveLines + screen.cur.row; 1267 line.touch ();
1268 line.is_longer (0);
1269
1155 switch (mode) 1270 switch (mode)
1156 { 1271 {
1272 case 3:
1273 if (screen.flags & Screen_WrapNext)
1274 return;
1275
1276 /* fall through */
1277
1157 case 0: /* erase to end of line */ 1278 case 0: /* erase to end of line */
1158 col = screen.cur.col; 1279 col = screen.cur.col;
1159 num = TermWin.ncol - col; 1280 num = ncol - col;
1160 MIN_IT(screen.tlen[row], (int16_t)col); 1281 min_it (line.l, col);
1282
1161 if (ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur) 1283 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1162 || ROWCOL_IN_ROW_AT_OR_AFTER(selection.end, screen.cur)) 1284 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1163 CLEAR_SELECTION(); 1285 CLEAR_SELECTION ();
1164 break; 1286 break;
1287
1165 case 1: /* erase to beginning of line */ 1288 case 1: /* erase to beginning of line */
1166 col = 0; 1289 col = 0;
1167 num = screen.cur.col + 1; 1290 num = screen.cur.col + 1;
1291
1168 if (ROWCOL_IN_ROW_AT_OR_BEFORE(selection.beg, screen.cur) 1292 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1169 || ROWCOL_IN_ROW_AT_OR_BEFORE(selection.end, screen.cur)) 1293 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1170 CLEAR_SELECTION(); 1294 CLEAR_SELECTION ();
1171 break; 1295 break;
1296
1172 case 2: /* erase whole line */ 1297 case 2: /* erase whole line */
1173 col = 0; 1298 col = 0;
1174 num = TermWin.ncol; 1299 num = ncol;
1175 screen.tlen[row] = 0; 1300 line.l = 0;
1176 if (selection.beg.row <= screen.cur.row 1301 if (selection.beg.row <= screen.cur.row
1177 && selection.end.row >= screen.cur.row) 1302 && selection.end.row >= screen.cur.row)
1178 CLEAR_SELECTION(); 1303 CLEAR_SELECTION ();
1179 break; 1304 break;
1180 default: 1305 default:
1181 return; 1306 return;
1182 } 1307 }
1183 1308
1184 if (screen.text[row]) 1309 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} 1310}
1190 1311
1191/* ------------------------------------------------------------------------- */ 1312/* ------------------------------------------------------------------------- */
1192/* 1313/*
1193 * Erase part of whole of the screen 1314 * Erase part or whole of the screen
1194 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1315 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1195 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1316 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1196 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1317 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1197 */ 1318 */
1198void 1319void
1199rxvt_term::scr_erase_screen (int mode) 1320rxvt_term::scr_erase_screen (int mode) NOTHROW
1200{ 1321{
1201 int num; 1322 int num;
1202 int32_t row, row_offset; 1323 int32_t row;
1203 rend_t ren; 1324 rend_t ren;
1204 XGCValues gcvalue; 1325 XGCValues gcvalue;
1205 1326
1206 want_refresh = 1; 1327 want_refresh = 1;
1207 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1208 ZERO_SCROLLBACK (); 1328 ZERO_SCROLLBACK ();
1209 row_offset = (int32_t)TermWin.saveLines;
1210 1329
1211 switch (mode) { 1330 switch (mode)
1331 {
1212 case 0: /* erase to end of screen */ 1332 case 0: /* erase to end of screen */
1213 selection_check (1);
1214 scr_erase_line (0); 1333 scr_erase_line (0);
1215 row = screen.cur.row + 1; /* possible OOB */ 1334 row = screen.cur.row + 1; /* possible OOB */
1216 num = TermWin.nrow - row; 1335 num = nrow - row;
1217 break; 1336 break;
1218 case 1: /* erase to beginning of screen */ 1337 case 1: /* erase to beginning of screen */
1219 selection_check (3);
1220 scr_erase_line (1); 1338 scr_erase_line (1);
1221 row = 0; 1339 row = 0;
1222 num = screen.cur.row; 1340 num = screen.cur.row;
1223 break; 1341 break;
1224 case 2: /* erase whole screen */ 1342 case 2: /* erase whole screen */
1225 selection_check (3);
1226#ifdef RXVT_GRAPHICS
1227 Gr_ClearScreen ();
1228#endif
1229 row = 0; 1343 row = 0;
1230 num = TermWin.nrow; 1344 num = nrow;
1231 break; 1345 break;
1232 default: 1346 default:
1233 return; 1347 return;
1234 } 1348 }
1235 refresh_type |= REFRESH_BOUNDS; 1349
1236 if (selection.op && current_screen == selection.screen 1350 if (selection.op && current_screen == selection.screen
1237 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1351 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1238 || (selection.end.row >= row 1352 || (selection.end.row >= row
1239 && selection.end.row <= row + num))) 1353 && selection.end.row <= row + num)))
1240 CLEAR_SELECTION (); 1354 CLEAR_SELECTION ();
1355
1241 if (row >= TermWin.nrow) /* Out Of Bounds */ 1356 if (row >= nrow) /* Out Of Bounds */
1242 return; 1357 return;
1243 MIN_IT(num, (TermWin.nrow - row)); 1358
1359 min_it (num, nrow - row);
1360
1244 if (rstyle & (RS_RVid | RS_Uline)) 1361 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1245 ren = (rend_t) ~RS_None; 1362 ren = (rend_t) ~RS_None;
1246 else if (GET_BASEBG(rstyle) == Color_bg) { 1363 else if (GET_BASEBG (rstyle) == Color_bg)
1364 {
1247 ren = DEFAULT_RSTYLE; 1365 ren = DEFAULT_RSTYLE;
1248 CLEAR_ROWS(row, num); 1366
1249 } else { 1367 if (mapped)
1368 XClearArea (dpy, vt, 0,
1369 Row2Pixel (row - view_start), (unsigned int)vt_width,
1370 (unsigned int)Height2Pixel (num), False);
1371 }
1372 else
1373 {
1250 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1374 ren = rstyle & (RS_fgMask | RS_bgMask);
1375
1376 if (mapped)
1377 {
1251 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1378 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1252 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1379 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1253 ERASE_ROWS(row, num); 1380 XFillRectangle (dpy, vt, gc,
1381 0, Row2Pixel (row - view_start),
1382 (unsigned int)vt_width,
1383 (unsigned int)Height2Pixel (num));
1254 gcvalue.foreground = PixColors[Color_fg]; 1384 gcvalue.foreground = pix_colors[Color_fg];
1255 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1385 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1386 }
1256 } 1387 }
1388
1257 for (; num--; row++) { 1389 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 } 1390 {
1391 scr_blank_screen_mem (ROW(row), rstyle);
1392
1393 if (row - view_start < nrow)
1394 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1395 }
1264} 1396}
1397
1398#if !ENABLE_MINIMAL
1399void
1400rxvt_term::scr_erase_savelines () NOTHROW
1401{
1402 want_refresh = 1;
1403 ZERO_SCROLLBACK ();
1404
1405 top_row = 0;
1406}
1407#endif
1265 1408
1266/* ------------------------------------------------------------------------- */ 1409/* ------------------------------------------------------------------------- */
1267/* 1410/*
1268 * Fill the screen with `E's 1411 * Fill the screen with `E's
1269 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1412 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1270 */ 1413 */
1271void 1414void ecb_cold
1272rxvt_term::scr_E () 1415rxvt_term::scr_E () NOTHROW
1273{ 1416{
1274 int i, j, k; 1417 rend_t fs;
1275 rend_t *r1, fs;
1276 1418
1277 want_refresh = 1; 1419 want_refresh = 1;
1420 ZERO_SCROLLBACK ();
1421
1278 num_scr_allow = 0; 1422 num_scr_allow = 0;
1279 ZERO_SCROLLBACK();
1280 selection_check (3);
1281 1423
1424 row_col_t pos;
1425 pos.row = pos.col = 0;
1426 if (ROWCOL_IS_AFTER (selection.end, pos))
1427 CLEAR_SELECTION ();
1428
1282 fs = SET_FONT (rstyle, TermWin.fontset->find_font ('E')); 1429 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1283 for (k = TermWin.saveLines, i = TermWin.nrow; i--; k++) { 1430 for (int row = nrow; row--; )
1284 screen.tlen[k] = TermWin.ncol; /* make the `E's selectable */ 1431 {
1285 fill_text (screen.text[k], 'E', TermWin.ncol); 1432 line_t &line = ROW(row);
1286 for (r1 = screen.rend[k], j = TermWin.ncol; j--; ) 1433
1434 fill_text (line.t, 'E', ncol);
1435 rend_t *r1 = line.r;
1436
1437 for (int j = ncol; j--; )
1287 *r1++ = fs; 1438 *r1++ = fs;
1439
1440 line.is_longer (0);
1441 line.touch (ncol);
1288 } 1442 }
1289} 1443}
1290 1444
1291/* ------------------------------------------------------------------------- */ 1445/* ------------------------------------------------------------------------- */
1292/* 1446/*
1293 * Insert/Delete <count> lines 1447 * Insert/Delete <count> lines
1294 */ 1448 */
1295void 1449void
1296rxvt_term::scr_insdel_lines (int count, int insdel) 1450rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1297{ 1451{
1298 int end; 1452 int end;
1299 1453
1300 ZERO_SCROLLBACK(); 1454 ZERO_SCROLLBACK ();
1301 1455
1302#ifdef RXVT_GRAPHICS
1303 if (Gr_Displayed ())
1304 Gr_scroll (0);
1305#endif
1306
1307 selection_check (1); 1456 selection_check (1);
1308 1457
1309 if (screen.cur.row > screen.bscroll) 1458 if (screen.cur.row > screen.bscroll)
1459 return;
1460
1461 end = screen.bscroll - screen.cur.row + 1;
1462 if (count > end)
1463 {
1464 if (insdel == DELETE)
1310 return; 1465 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) 1466 else if (insdel == INSERT)
1317 count = end; 1467 count = end;
1318 } 1468 }
1319 screen.flags &= ~Screen_WrapNext;
1320 1469
1470 scr_do_wrap ();
1471
1321 scr_scroll_text(screen.cur.row, screen.bscroll, insdel * count, 0); 1472 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1322} 1473}
1323 1474
1324/* ------------------------------------------------------------------------- */ 1475/* ------------------------------------------------------------------------- */
1325/* 1476/*
1326 * Insert/Delete <count> characters from the current position 1477 * Insert/Delete <count> characters from the current position
1327 */ 1478 */
1328void 1479void
1329rxvt_term::scr_insdel_chars (int count, int insdel) 1480rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1330{ 1481{
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; 1482 want_refresh = 1;
1338 ZERO_SCROLLBACK(); 1483 ZERO_SCROLLBACK ();
1339 1484
1340#ifdef RXVT_GRAPHICS
1341 if (Gr_Displayed ())
1342 Gr_scroll (0);
1343#endif
1344
1345 if (count <= 0) 1485 if (count <= 0)
1346 return; 1486 return;
1347 1487
1488 scr_do_wrap ();
1489
1348 selection_check (1); 1490 selection_check (1);
1349 MIN_IT(count, (TermWin.ncol - screen.cur.col)); 1491 min_it (count, ncol - screen.cur.col);
1350 1492
1351 row = screen.cur.row + TermWin.saveLines; 1493 int row = screen.cur.row;
1352 screen.flags &= ~Screen_WrapNext;
1353 1494
1354 stp = screen.text[row]; 1495 line_t *line = &ROW(row);
1355 srp = screen.rend[row]; 1496
1356 slp = &(screen.tlen[row]); 1497 line->touch ();
1498 line->is_longer (0);
1499
1500 // nuke wide spanning the start
1501 if (line->t[screen.cur.col] == NOCHAR)
1502 scr_kill_char (*line, screen.cur.col);
1503
1357 switch (insdel) { 1504 switch (insdel)
1505 {
1358 case INSERT: 1506 case INSERT:
1359 for (col = TermWin.ncol - 1; (col - count) >= screen.cur.col; 1507 line->l = min (line->l + count, ncol);
1360 col--) { 1508
1509 if (line->t[screen.cur.col] == NOCHAR)
1510 scr_kill_char (*line, screen.cur.col);
1511
1512 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1513 {
1361 stp[col] = stp[col - count]; 1514 line->t[col] = line->t[col - count];
1362 srp[col] = srp[col - count]; 1515 line->r[col] = line->r[col - count];
1363 } 1516 }
1364 if (*slp != -1) { 1517
1365 *slp += count;
1366 MIN_IT(*slp, TermWin.ncol);
1367 }
1368 if (selection.op && current_screen == selection.screen 1518 if (selection.op && current_screen == selection.screen
1369 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1519 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1520 {
1370 if (selection.end.row != screen.cur.row 1521 if (selection.end.row != screen.cur.row
1371 || (selection.end.col + count >= TermWin.ncol)) 1522 || (selection.end.col + count >= ncol))
1372 CLEAR_SELECTION(); 1523 CLEAR_SELECTION ();
1524 else
1525 {
1373 else { /* shift selection */ 1526 /* shift selection */
1374 selection.beg.col += count; 1527 selection.beg.col += count;
1375 selection.mark.col += count; /* XXX: yes? */ 1528 selection.mark.col += count; /* XXX: yes? */
1376 selection.end.col += count; 1529 selection.end.col += count;
1377 } 1530 }
1378 } 1531 }
1379 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1532
1380 (unsigned int)count, rstyle); 1533 scr_blank_line (*line, screen.cur.col, count, rstyle);
1381 break; 1534 break;
1535
1382 case ERASE: 1536 case ERASE:
1383 screen.cur.col += count; /* don't worry if > TermWin.ncol */ 1537 screen.cur.col += count; /* don't worry if > ncol */
1384 selection_check (1); 1538 selection_check (1);
1385 screen.cur.col -= count; 1539 screen.cur.col -= count;
1386 scr_blank_line (&(stp[screen.cur.col]), &(srp[screen.cur.col]), 1540
1387 (unsigned int)count, rstyle); 1541 // nuke wide char after the end
1542 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1543 scr_kill_char (*line, screen.cur.col + count);
1544
1545 scr_blank_line (*line, screen.cur.col, count, rstyle);
1388 break; 1546 break;
1547
1389 case DELETE: 1548 case DELETE:
1390 tr = srp[TermWin.ncol - 1] 1549 line->l = max (line->l - count, 0);
1391 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1550
1551 // nuke wide char spanning the end
1552 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1553 scr_kill_char (*line, screen.cur.col + count);
1554
1392 for (col = screen.cur.col; (col + count) < TermWin.ncol; col++) { 1555 for (int col = screen.cur.col; (col + count) < ncol; col++)
1556 {
1393 stp[col] = stp[col + count]; 1557 line->t[col] = line->t[col + count];
1394 srp[col] = srp[col + count]; 1558 line->r[col] = line->r[col + count];
1395 } 1559 }
1396 scr_blank_line (&(stp[TermWin.ncol - count]), 1560
1397 &(srp[TermWin.ncol - count]), 1561 scr_blank_line (*line, ncol - count, count, rstyle);
1398 (unsigned int)count, tr); 1562
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 1563 if (selection.op && current_screen == selection.screen
1404 && ROWCOL_IN_ROW_AT_OR_AFTER(selection.beg, screen.cur)) { 1564 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1565 {
1405 if (selection.end.row != screen.cur.row 1566 if (selection.end.row != screen.cur.row
1406 || (screen.cur.col >= selection.beg.col - count) 1567 || (screen.cur.col >= selection.beg.col - count)
1407 || selection.end.col >= TermWin.ncol) 1568 || selection.end.col >= ncol)
1408 CLEAR_SELECTION(); 1569 CLEAR_SELECTION ();
1409 else { 1570 else
1571 {
1410 /* shift selection */ 1572 /* shift selection */
1411 selection.beg.col -= count; 1573 selection.beg.col -= count;
1412 selection.mark.col -= count; /* XXX: yes? */ 1574 selection.mark.col -= count; /* XXX: yes? */
1413 selection.end.col -= count; 1575 selection.end.col -= count;
1414 } 1576 }
1415 } 1577 }
1578
1416 break; 1579 break;
1417 } 1580 }
1418} 1581}
1419 1582
1420/* ------------------------------------------------------------------------- */ 1583/* ------------------------------------------------------------------------- */
1421/* 1584/*
1422 * Set the scrolling region 1585 * Set the scrolling region
1423 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1586 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1424 */ 1587 */
1425void 1588void ecb_cold
1426rxvt_term::scr_scroll_region (int top, int bot) 1589rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1427{ 1590{
1428 MAX_IT(top, 0); 1591 max_it (top, 0);
1429 MIN_IT(bot, (int)TermWin.nrow - 1); 1592 min_it (bot, nrow - 1);
1593
1430 if (top > bot) 1594 if (top > bot)
1431 return; 1595 return;
1596
1432 screen.tscroll = top; 1597 screen.tscroll = top;
1433 screen.bscroll = bot; 1598 screen.bscroll = bot;
1434 scr_gotorc (0, 0, 0); 1599 scr_gotorc (0, 0, 0);
1435} 1600}
1436 1601
1437/* ------------------------------------------------------------------------- */ 1602/* ------------------------------------------------------------------------- */
1438/* 1603/*
1439 * Make the cursor visible/invisible 1604 * Make the cursor visible/invisible
1440 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1605 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1441 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1606 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1442 */ 1607 */
1443void 1608void ecb_cold
1444rxvt_term::scr_cursor_visible (int mode) 1609rxvt_term::scr_cursor_visible (int mode) NOTHROW
1445{ 1610{
1446 want_refresh = 1; 1611 want_refresh = 1;
1612
1447 if (mode) 1613 if (mode)
1448 screen.flags |= Screen_VisibleCursor; 1614 screen.flags |= Screen_VisibleCursor;
1449 else 1615 else
1450 screen.flags &= ~Screen_VisibleCursor; 1616 screen.flags &= ~Screen_VisibleCursor;
1451} 1617}
1452 1618
1453/* ------------------------------------------------------------------------- */ 1619/* ------------------------------------------------------------------------- */
1454/* 1620/*
1455 * Set/unset automatic wrapping 1621 * Set/unset automatic wrapping
1456 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1622 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1457 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1623 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1458 */ 1624 */
1459void 1625void ecb_cold
1460rxvt_term::scr_autowrap (int mode) 1626rxvt_term::scr_autowrap (int mode) NOTHROW
1461{ 1627{
1462 if (mode) 1628 if (mode)
1463 screen.flags |= Screen_Autowrap; 1629 screen.flags |= Screen_Autowrap;
1464 else 1630 else
1465 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1631 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1466} 1632}
1467 1633
1468/* ------------------------------------------------------------------------- */ 1634/* ------------------------------------------------------------------------- */
1469/* 1635/*
1470 * Set/unset margin origin mode 1636 * Set/unset margin origin mode
… …
1473 * Relative mode: line numbers are relative to top margin of scrolling region 1639 * Relative mode: line numbers are relative to top margin of scrolling region
1474 * and the cursor cannot be moved outside. 1640 * and the cursor cannot be moved outside.
1475 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1641 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1476 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1642 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1477 */ 1643 */
1478void 1644void ecb_cold
1479rxvt_term::scr_relative_origin (int mode) 1645rxvt_term::scr_relative_origin (int mode) NOTHROW
1480{ 1646{
1481 if (mode) 1647 if (mode)
1482 screen.flags |= Screen_Relative; 1648 screen.flags |= Screen_Relative;
1483 else 1649 else
1484 screen.flags &= ~Screen_Relative; 1650 screen.flags &= ~Screen_Relative;
1651
1485 scr_gotorc (0, 0, 0); 1652 scr_gotorc (0, 0, 0);
1486} 1653}
1487 1654
1488/* ------------------------------------------------------------------------- */ 1655/* ------------------------------------------------------------------------- */
1489/* 1656/*
1490 * Set insert/replace mode 1657 * Set insert/replace mode
1491 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1658 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1492 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1659 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1493 */ 1660 */
1494void 1661void ecb_cold
1495rxvt_term::scr_insert_mode (int mode) 1662rxvt_term::scr_insert_mode (int mode) NOTHROW
1496{ 1663{
1497 if (mode) 1664 if (mode)
1498 screen.flags |= Screen_Insert; 1665 screen.flags |= Screen_Insert;
1499 else 1666 else
1500 screen.flags &= ~Screen_Insert; 1667 screen.flags &= ~Screen_Insert;
1501} 1668}
1502 1669
1503/* ------------------------------------------------------------------------- */ 1670/* ------------------------------------------------------------------------- */
1504/* 1671/*
1505 * Set/Unset tabs 1672 * Set/Unset tabs
1506 * XTERM_SEQ: Set tab at current column : ESC H 1673 * XTERM_SEQ: Set tab at current column : ESC H
1507 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1674 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1508 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1675 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1509 */ 1676 */
1510void 1677void ecb_cold
1511rxvt_term::scr_set_tab (int mode) 1678rxvt_term::scr_set_tab (int mode) NOTHROW
1512{ 1679{
1513 if (mode < 0) 1680 if (mode < 0)
1514 MEMSET(tabs, 0, TermWin.ncol * sizeof(char)); 1681 memset (tabs, 0, ncol);
1515 else if (screen.cur.col < TermWin.ncol) 1682 else if (screen.cur.col < ncol)
1516 tabs[screen.cur.col] = (mode ? 1 : 0); 1683 tabs [screen.cur.col] = !!mode;
1517} 1684}
1518 1685
1519/* ------------------------------------------------------------------------- */ 1686/* ------------------------------------------------------------------------- */
1520/* 1687/*
1521 * Set reverse/normal video 1688 * Set reverse/normal video
1522 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1689 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1523 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1690 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1524 */ 1691 */
1525void 1692void
1526rxvt_term::scr_rvideo_mode (int mode) 1693rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1527{ 1694{
1695 rvideo_mode = on;
1696
1697#ifndef NO_BELL
1698 on ^= rvideo_bell;
1699#endif
1700
1701 if (rvideo_state != on)
1702 {
1703 rvideo_state = on;
1704
1705 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1706#ifdef HAVE_BG_PIXMAP
1707 if (bg_img == 0)
1708#endif
1709 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1710
1528 XGCValues gcvalue; 1711 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]; 1712 gcvalue.foreground = pix_colors[Color_fg];
1543 gcvalue.background = PixColors[Color_bg]; 1713 gcvalue.background = pix_colors[Color_bg];
1544 XChangeGC(Xdisplay, TermWin.gc, GCBackground | GCForeground, 1714 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1545 &gcvalue); 1715
1546 scr_clear (); 1716 scr_clear ();
1547 scr_touch (true); 1717 scr_touch (true);
1548 } 1718 }
1549} 1719}
1550 1720
1551/* ------------------------------------------------------------------------- */ 1721/* ------------------------------------------------------------------------- */
1552/* 1722/*
1553 * Report current cursor position 1723 * Report current cursor position
1554 * XTERM_SEQ: Report position: ESC [ 6 n 1724 * XTERM_SEQ: Report position: ESC [ 6 n
1555 */ 1725 */
1556void 1726void ecb_cold
1557rxvt_term::scr_report_position () 1727rxvt_term::scr_report_position () NOTHROW
1558{ 1728{
1559 tt_printf("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1729 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1560} 1730}
1561 1731
1562/* ------------------------------------------------------------------------- * 1732/* ------------------------------------------------------------------------- *
1563 * FONTS * 1733 * FONTS *
1564 * ------------------------------------------------------------------------- */ 1734 * ------------------------------------------------------------------------- */
1565 1735
1566/* 1736/*
1567 * Set font style 1737 * Set font style
1568 */ 1738 */
1569void 1739void ecb_cold
1570rxvt_term::set_font_style () 1740rxvt_term::set_font_style () NOTHROW
1571{ 1741{
1742#if 0
1572 switch (charsets[screen.charset]) { 1743 switch (charsets [screen.charset])
1744 {
1573 case '0': /* DEC Special Character & Line Drawing Set */ 1745 case '0': /* DEC Special Character & Line Drawing Set */
1574 break; 1746 break;
1575 case 'A': /* United Kingdom (UK) */ 1747 case 'A': /* United Kingdom (UK) */
1576 break; 1748 break;
1577 case 'B': /* United States (USASCII) */ 1749 case 'B': /* United States (USASCII) */
1578 break; 1750 break;
1579 case '<': /* Multinational character set */ 1751 case '<': /* Multinational character set */
1580 break; 1752 break;
1581 case '5': /* Finnish character set */ 1753 case '5': /* Finnish character set */
1582 break; 1754 break;
1583 case 'C': /* Finnish character set */ 1755 case 'C': /* Finnish character set */
1584 break; 1756 break;
1585 case 'K': /* German character set */ 1757 case 'K': /* German character set */
1586 break; 1758 break;
1587 } 1759 }
1760#endif
1588} 1761}
1589 1762
1590/* ------------------------------------------------------------------------- */ 1763/* ------------------------------------------------------------------------- */
1591/* 1764/*
1592 * Choose a font 1765 * Choose a font
1593 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1766 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1594 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1767 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1595 * XTERM_SEQ: Invoke G2 character set: ESC N 1768 * XTERM_SEQ: Invoke G2 character set: ESC N
1596 * XTERM_SEQ: Invoke G3 character set: ESC O 1769 * XTERM_SEQ: Invoke G3 character set: ESC O
1597 */ 1770 */
1598void 1771void ecb_cold
1599rxvt_term::scr_charset_choose (int set) 1772rxvt_term::scr_charset_choose (int set) NOTHROW
1600{ 1773{
1601 screen.charset = set; 1774 screen.charset = set;
1602 set_font_style (); 1775 set_font_style ();
1603} 1776}
1604 1777
1605/* ------------------------------------------------------------------------- */ 1778/* ------------------------------------------------------------------------- */
1606/* 1779/*
1607 * Set a font 1780 * Set a font
… …
1610 * XTERM_SEQ: Set G2 character set: ESC * <C> 1783 * XTERM_SEQ: Set G2 character set: ESC * <C>
1611 * XTERM_SEQ: Set G3 character set: ESC + <C> 1784 * XTERM_SEQ: Set G3 character set: ESC + <C>
1612 * See set_font_style for possible values for <C> 1785 * See set_font_style for possible values for <C>
1613 */ 1786 */
1614void 1787void
1615rxvt_term::scr_charset_set (int set, unsigned int ch) 1788rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1616{ 1789{
1617 charsets[set] = (unsigned char)ch; 1790 charsets[set] = (unsigned char)ch;
1618 set_font_style (); 1791 set_font_style ();
1619} 1792}
1620 1793
1621 1794
1622/* ------------------------------------------------------------------------- * 1795/* ------------------------------------------------------------------------- *
1623 * MAJOR SCREEN MANIPULATION * 1796 * MAJOR SCREEN MANIPULATION *
1624 * ------------------------------------------------------------------------- */ 1797 * ------------------------------------------------------------------------- */
1625 1798
1626/* 1799/*
1627 * refresh matching text. 1800 * refresh matching text.
1628 */ 1801 */
1629bool 1802bool ecb_cold
1630rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) 1803rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1631{ 1804{
1632 bool found = false; 1805 bool found = false;
1633 1806
1634 for (int i = 0; i < TermWin.nrow; i++) 1807 for (int i = 0; i < nrow; i++)
1635 { 1808 {
1636 int col = 0;
1637 rend_t *drp = drawn_rend [i]; 1809 rend_t *drp = drawn_buf[i].r;
1638 1810
1639 for (; col < TermWin.ncol; col++, drp++) 1811 for (int col = 0; col < ncol; col++, drp++)
1640 if ((*drp & mask) == value) 1812 if ((*drp & mask) == value)
1641 { 1813 {
1642 found = true; 1814 found = true;
1643 *drp = ~value; 1815 *drp = ~value;
1644 } 1816 }
… …
1649 1821
1650/* 1822/*
1651 * Refresh an area 1823 * Refresh an area
1652 */ 1824 */
1653enum { 1825enum {
1654 PART_BEG = 0, 1826 PART_BEG = 0,
1655 PART_END, 1827 PART_END,
1656 RC_COUNT 1828 RC_COUNT
1657}; 1829};
1658 1830
1659void 1831void ecb_hot
1660rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1832rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1661{ 1833{
1662 int i; 1834 int i;
1663 row_col_t rc[RC_COUNT]; 1835 row_col_t rc[RC_COUNT];
1664 1836
1665 if (drawn_text == NULL) /* sanity check */ 1837 if (!drawn_buf) /* sanity check */
1666 return; 1838 return;
1667 1839
1668#ifdef DEBUG_STRICT 1840#ifndef NO_SLOW_LINK_SUPPORT
1669 x = max(x, (int)TermWin.int_bwidth); 1841 if (refresh_type == FAST_REFRESH && !display->is_local)
1670 x = min(x, (int)TermWin.width); 1842 {
1671 y = max(y, (int)TermWin.int_bwidth); 1843 y = 0;
1672 y = min(y, (int)TermWin.height); 1844 eheight = height;
1845 }
1673#endif 1846#endif
1674 1847
1675/* round down */ 1848 /* round down */
1676 rc[PART_BEG].col = Pixel2Col(x); 1849 rc[PART_BEG].col = Pixel2Col (x);
1677 rc[PART_BEG].row = Pixel2Row(y); 1850 rc[PART_BEG].row = Pixel2Row (y);
1678/* round up */ 1851 /* round up */
1679 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1852 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1680 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1853 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1681 1854
1682/* sanity checks */ 1855 /* sanity checks */
1683 for (i = PART_BEG; i < RC_COUNT; i++) 1856 for (i = PART_BEG; i < RC_COUNT; i++)
1684 { 1857 {
1685 MIN_IT(rc[i].col, TermWin.ncol - 1); 1858 min_it (rc[i].col, ncol - 1);
1686 MIN_IT(rc[i].row, TermWin.nrow - 1); 1859 min_it (rc[i].row, nrow - 1);
1687 } 1860 }
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 1861
1691 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1862 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1692 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1863 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)); 1864
1865 num_scr_allow = 0;
1694 1866
1695 if (refresh) 1867 if (refresh)
1696 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1868 scr_refresh ();
1697} 1869}
1698 1870
1699/* ------------------------------------------------------------------------- */ 1871/* ------------------------------------------------------------------------- */
1700/* 1872/*
1701 * Refresh the entire screen 1873 * Refresh the entire screen
1702 */ 1874 */
1703void 1875void
1704rxvt_term::scr_touch (bool refresh) 1876rxvt_term::scr_touch (bool refresh) NOTHROW
1705{ 1877{
1706 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1878 scr_expose (0, 0, vt_width, vt_height, refresh);
1707} 1879}
1708 1880
1709/* ------------------------------------------------------------------------- */ 1881/* ------------------------------------------------------------------------- */
1710/* 1882/*
1711 * Move the display so that the line represented by scrollbar value Y is at 1883 * Move the display so that the line represented by scrollbar value Y is at
1712 * the top of the screen 1884 * the top of the screen
1713 */ 1885 */
1714int 1886void
1715rxvt_term::scr_move_to (int y, int len) 1887rxvt_term::scr_move_to (int y, int len) NOTHROW
1716{ 1888{
1717 long p = 0; 1889 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} 1890}
1731 1891
1732/* ------------------------------------------------------------------------- */ 1892/* ------------------------------------------------------------------------- */
1733/* 1893/*
1734 * Page the screen up/down nlines 1894 * Page the screen up/down nlines
1735 * direction should be UP or DN 1895 * direction should be UP or DN
1736 */ 1896 */
1737int 1897bool
1738rxvt_term::scr_page (enum page_dirn direction, int nlines) 1898rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1739{ 1899{
1740 int n; 1900 int new_view_start =
1741 uint16_t oldviewstart; 1901 direction == UP ? view_start - nlines
1902 : view_start + nlines;
1742 1903
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); 1904 return scr_changeview (new_view_start);
1756} 1905}
1757 1906
1758int 1907bool
1759rxvt_term::scr_changeview (uint16_t oldviewstart) 1908rxvt_term::scr_changeview (int new_view_start) NOTHROW
1760{ 1909{
1761 if (TermWin.view_start != oldviewstart) { 1910 clamp_it (new_view_start, top_row, 0);
1911
1912 if (new_view_start == view_start)
1913 return false;
1914
1915 num_scr += new_view_start - view_start;
1916 view_start = new_view_start;
1762 want_refresh = 1; 1917 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 1918
1772/* ------------------------------------------------------------------------- */ 1919 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1773void 1920
1774rxvt_term::scr_bell () 1921 return true;
1775{ 1922}
1923
1776#ifndef NO_BELL 1924#ifndef NO_BELL
1925void
1926rxvt_term::bell_cb (ev::timer &w, int revents)
1927{
1928 rvideo_bell = false;
1929 scr_rvideo_mode (rvideo_mode);
1930 refresh_check ();
1931}
1932#endif
1933
1934/* ------------------------------------------------------------------------- */
1935void
1936rxvt_term::scr_bell () NOTHROW
1937{
1938#ifndef NO_BELL
1939
1777# ifndef NO_MAPALERT 1940# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1941# ifdef MAPALERT_OPTION
1779 if (Options & Opt_mapAlert) 1942 if (option (Opt_mapAlert))
1780# endif 1943# endif
1781 XMapWindow(Xdisplay, TermWin.parent[0]); 1944 XMapWindow (dpy, parent);
1782# endif 1945# endif
1783 if (Options & Opt_visualBell) { 1946
1784 scr_rvideo_mode (!rvideo); /* refresh also done */ 1947# if ENABLE_FRILLS
1785 scr_rvideo_mode (!rvideo); /* refresh also done */ 1948 if (option (Opt_urgentOnBell))
1786 } else 1949 set_urgency (1);
1787 XBell(Xdisplay, 0);
1788#endif 1950# endif
1789}
1790 1951
1952 if (option (Opt_visualBell))
1953 {
1954 rvideo_bell = true;
1955 scr_rvideo_mode (rvideo_mode);
1956 flush ();
1957
1958 bell_ev.start (VISUAL_BELL_DURATION);
1959 }
1960 else
1961 XBell (dpy, 0);
1962 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1963#endif
1964}
1965
1791/* ------------------------------------------------------------------------- */ 1966/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */ 1967void ecb_cold
1793void
1794rxvt_term::scr_printscreen (int fullhist) 1968rxvt_term::scr_printscreen (int fullhist) NOTHROW
1795{ 1969{
1796#ifdef PRINTPIPE 1970#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1971 int nrows, row_start;
1798 text_t *t; 1972 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1973
1801 if ((fd = popen_printer ()) == NULL) 1974 if (!fd)
1802 return; 1975 return;
1803 nrows = TermWin.nrow; 1976
1804 row_offset = TermWin.saveLines;
1805 if (!fullhist) 1977 if (fullhist)
1806 row_offset -= TermWin.view_start;
1807 else {
1808 nrows += TermWin.nscrolled;
1809 row_offset -= TermWin.nscrolled;
1810 } 1978 {
1811 1979 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1980 row_start = top_row;
1813 t = screen.text[r1 + row_offset]; 1981 }
1814 for (i = TermWin.ncol - 1; i >= 0; i--) 1982 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 1983 {
1984 nrows = nrow;
1985 row_start = view_start;
1986 }
1987
1988 wctomb (0, 0);
1989
1990 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1991 {
1992 text_t *tp = ROW(r1).t;
1993 int len = ROW(r1).l;
1994
1995 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1996 {
1997 char mb[MB_LEN_MAX];
1998 text_t t = *tp++;
1999 if (t == NOCHAR)
2000 continue;
2001
2002 len = wctomb (mb, t);
2003
2004 if (len <= 0)
2005 {
2006 mb[0] = ' ';
2007 len = 1;
2008 }
2009
2010 fwrite (mb, 1, len, fd);
2011 }
2012
2013 fputc ('\n', fd);
2014 }
2015
1819 pclose_printer (fd); 2016 pclose_printer (fd);
1820#endif 2017#endif
1821} 2018}
1822 2019
1823/* ------------------------------------------------------------------------- */ 2020/* ------------------------------------------------------------------------- */
1824/* 2021/*
1825 * Refresh the screen 2022 * Refresh the screen
1826 * drawn_text/drawn_rend contain the screen information before the update. 2023 * drawn_text/drawn_rend contain the screen information before the update.
1827 * screen.text/screen.rend contain what the screen will change to. 2024 * screen.text/screen.rend contain what the screen will change to.
1828 */ 2025 */
1829 2026void ecb_hot
1830#define FONT_WIDTH(X, Y) \ 2027rxvt_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{ 2028{
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 */ 2029 int16_t col, row, /* column/row we're processing */
1848 ocrow; /* old cursor row */ 2030 ocrow; /* old cursor row */
1849 int cursorwidth;
1850 int i, /* tmp */ 2031 int i; /* tmp */
1851 row_offset; /* basic offset in screen structure */
1852#ifndef NO_CURSORCOLOR 2032#ifndef NO_CURSORCOLOR
1853 rend_t cc1; /* store colours at cursor position(s) */ 2033 rend_t cc1; /* store colours at cursor position (s) */
1854#endif 2034#endif
1855 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */ 2035 rend_t *crp; // cursor rendition pointer
1856 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */ 2036 rend_t ccol1, /* Cursor colour */
2037 ccol2; /* Cursor colour2 */
1857 2038
2039 want_refresh = 0; /* screen is current */
2040
1858 if (refresh_type == NO_REFRESH || !TermWin.mapped) 2041 if (refresh_type == NO_REFRESH || !mapped)
1859 return; 2042 return;
1860 2043
1861 /* 2044 /*
1862 * A: set up vars 2045 * A: set up vars
1863 */ 2046 */
1864 clearfirst = clearlast = must_clear = 0;
1865
1866 refresh_count = 0; 2047 refresh_count = 0;
1867 2048
1868 row_offset = TermWin.saveLines - TermWin.view_start; 2049 unsigned int old_screen_flags = screen.flags;
2050 bool have_bg = 0;
2051#ifdef HAVE_BG_PIXMAP
2052 have_bg = bg_img != 0;
2053#endif
2054 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1869 2055
1870 if ((refresh_type & REFRESH_BOUNDS)) 2056 /*
2057 * B: reverse any characters which are selected
2058 */
2059 scr_reverse_selection ();
2060
2061 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2062#if ENABLE_OVERLAY
2063 scr_swap_overlay ();
2064#endif
2065
2066 bool showcursor = screen.flags & Screen_VisibleCursor;
2067
2068 /*
2069 * C: set the cursor character (s)
2070 */
2071 {
2072 bool setoldcursor;
2073
2074#ifdef CURSOR_BLINK
2075 if (hidden_cursor)
2076 showcursor = 0;
2077#endif
2078
2079 if (showcursor)
1871 { 2080 {
1872 clearfirst = clearlast = 1; 2081 int col = screen.cur.col;
1873 refresh_type &= ~REFRESH_BOUNDS;
1874 }
1875 2082
1876#if defined(XPM_BACKGROUND) 2083 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
1877 must_clear |= (bgPixmap.pixmap != None); 2084 col--;
1878#endif
1879#if defined(TRANSPARENT)
1880 must_clear |= ((Options & Opt_transparent) && am_transparent);
1881#endif
1882 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1883 2085
1884 /* 2086 crp = &ROW(screen.cur.row).r[col];
1885 * B: reverse any characters which are selected
1886 */
1887 scr_reverse_selection ();
1888 2087
1889 /*
1890 * C: set the cursor character(s)
1891 */
1892 {
1893 unsigned char setoldcursor;
1894 rend_t ccol1, /* Cursor colour */
1895 ccol2; /* Cursor colour2 */
1896
1897 showcursor = (screen.flags & Screen_VisibleCursor);
1898 cursorwidth = 0;
1899#ifdef CURSOR_BLINK
1900 if (hidden_cursor)
1901 showcursor = 0;
1902#endif
1903
1904 cursorwidth = 0;
1905
1906 if (showcursor)
1907 {
1908 cursorwidth++;
1909
1910 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1911 [screen.cur.col]);
1912
1913 if (showcursor && TermWin.focus)
1914 {
1915 *srp ^= RS_RVid;
1916#ifndef NO_CURSORCOLOR 2088#ifndef NO_CURSORCOLOR
1917 cc1 = *srp & (RS_fgMask | RS_bgMask); 2089 cc1 = *crp & (RS_fgMask | RS_bgMask);
1918 if (ISSET_PIXCOLOR (Color_cursor)) 2090 if (ISSET_PIXCOLOR (Color_cursor))
1919 ccol1 = Color_cursor; 2091 ccol1 = Color_cursor;
1920 else 2092 else
2093#endif
1921#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2094#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1922 ccol1 = GET_FGCOLOR(rstyle); 2095 ccol1 = fgcolor_of (rstyle);
1923#else 2096#else
1924 ccol1 = Color_fg; 2097 ccol1 = Color_fg;
1925#endif 2098#endif
2099
2100#ifndef NO_CURSORCOLOR
1926 if (ISSET_PIXCOLOR (Color_cursor2)) 2101 if (ISSET_PIXCOLOR (Color_cursor2))
1927 ccol2 = Color_cursor2; 2102 ccol2 = Color_cursor2;
1928 else 2103 else
2104#endif
1929#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2105#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1930 ccol2 = GET_BGCOLOR(rstyle); 2106 ccol2 = bgcolor_of (rstyle);
1931#else 2107#else
1932 ccol2 = Color_bg; 2108 ccol2 = Color_bg;
1933#endif 2109#endif
2110
2111 if (focus)
2112 {
2113 if (option (Opt_cursorUnderline))
2114 *crp ^= RS_Uline;
2115 else
2116 {
2117 *crp ^= RS_RVid;
1934 *srp = SET_FGCOLOR(*srp, ccol1); 2118 *crp = SET_FGCOLOR (*crp, ccol1);
1935 *srp = SET_BGCOLOR(*srp, ccol2); 2119 *crp = SET_BGCOLOR (*crp, ccol2);
1936#endif
1937 }
1938 }
1939
1940 /* make sure no outline cursor is left around */
1941 setoldcursor = 0;
1942 if (ocrow != -1) {
1943 if (screen.cur.row + TermWin.view_start != ocrow
1944 || screen.cur.col != oldcursor.col) {
1945 if (ocrow < TermWin.nrow
1946 && oldcursor.col < TermWin.ncol) {
1947 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
1948 } 2120 }
1949 if (TermWin.focus || !showcursor)
1950 oldcursor.row = -1;
1951 else
1952 setoldcursor = 1;
1953 }
1954 } else if (!TermWin.focus)
1955 setoldcursor = 1;
1956 if (setoldcursor) {
1957 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
1958 oldcursor.row = -1;
1959 else {
1960 oldcursor.row = screen.cur.row + TermWin.view_start;
1961 oldcursor.col = screen.cur.col;
1962 } 2121 }
1963 } 2122 }
2123
2124 /* make sure no outline cursor is left around */
2125 setoldcursor = 0;
2126 if (ocrow != -1)
2127 {
2128 if (screen.cur.row - view_start != ocrow
2129 || screen.cur.col != oldcursor.col)
2130 {
2131 if (ocrow < nrow
2132 && oldcursor.col < ncol)
2133 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2134
2135 if (focus || !showcursor)
2136 oldcursor.row = -1;
2137 else
2138 setoldcursor = 1;
2139 }
1964 } 2140 }
2141 else if (!focus)
2142 setoldcursor = 1;
2143
2144 if (setoldcursor)
2145 {
2146 if (screen.cur.row - view_start >= nrow)
2147 oldcursor.row = -1;
2148 else
2149 {
2150 oldcursor.row = screen.cur.row - view_start;
2151 oldcursor.col = screen.cur.col;
2152 }
2153 }
2154 }
1965 2155
1966#ifndef NO_SLOW_LINK_SUPPORT 2156#ifndef NO_SLOW_LINK_SUPPORT
1967 /* 2157 /*
1968 * D: CopyArea pass - very useful for slower links 2158 * D: CopyArea pass - very useful for slower links
1969 * This has been deliberately kept simple. 2159 * This has been deliberately kept simple.
1970 */ 2160 */
1971 i = num_scr; 2161 if (!display->is_local
1972 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2162 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1973 && abs(i) < TermWin.nrow && !must_clear) 2163 && abs (num_scr) < nrow && !have_bg)
1974 { 2164 {
1975 int16_t nits; 2165 int16_t nits;
1976 int j; 2166 int i = num_scr;
1977 rend_t *drp2; 2167 int j;
1978 text_t *dtp2; 2168 int len, wlen;
1979 int len, wlen;
1980 2169
1981 j = TermWin.nrow; 2170 j = nrow;
1982 wlen = len = -1; 2171 wlen = len = -1;
1983 row = i > 0 ? 0 : j - 1; 2172 row = i > 0 ? 0 : j - 1;
2173
1984 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2174 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1985 { 2175 {
1986 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2176 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1987 { 2177 {
1988 stp = screen.text[row + row_offset]; 2178 line_t s = ROW(view_start + row);
1989 srp = screen.rend[row + row_offset];
1990 dtp = drawn_text[row]; 2179 line_t d = drawn_buf[row];
1991 dtp2 = drawn_text[row + i]; 2180 line_t d2 = drawn_buf[row + i];
1992 drp = drawn_rend[row];
1993 drp2 = drawn_rend[row + i];
1994 2181
1995 for (nits = 0, col = TermWin.ncol; col--; ) 2182 for (nits = 0, col = ncol; col--; )
1996 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2183 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
1997 nits--; 2184 nits--;
1998 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2185 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
1999 nits++; 2186 nits++;
2000 2187
2001 if (nits > 8) /* XXX: arbitrary choice */ 2188 if (nits > 8) /* XXX: arbitrary choice */
2189 {
2190 for (col = ncol; col--; )
2191 {
2192 *d.t++ = *d2.t++;
2193 *d.r++ = *d2.r++;
2194 }
2195
2196 if (len == -1)
2197 len = row;
2198
2199 wlen = row;
2200 continue;
2201 }
2202 }
2203
2204 if (len >= 0)
2205 {
2206 /* also comes here at end if needed because of >= above */
2207 if (wlen < len)
2208 ::swap (wlen, len);
2209
2210 XGCValues gcv;
2211
2212 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2213 XCopyArea (dpy, vt, vt,
2214 gc, 0, Row2Pixel (len + i),
2215 (unsigned int)this->width,
2216 (unsigned int)Height2Pixel (wlen - len + 1),
2217 0, Row2Pixel (len));
2218 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2219
2220 len = -1;
2221 }
2222 }
2223 }
2224#endif
2225
2226 /*
2227 * E: main pass across every character
2228 */
2229 for (row = 0; row < nrow; row++)
2230 {
2231 text_t *stp = ROW(view_start + row).t;
2232 rend_t *srp = ROW(view_start + row).r;
2233 text_t *dtp = drawn_buf[row].t;
2234 rend_t *drp = drawn_buf[row].r;
2235
2236 /*
2237 * E2: OK, now the real pass
2238 */
2239 int ypixel = (int)Row2Pixel (row);
2240
2241 for (col = 0; col < ncol; col++)
2242 {
2243 /* compare new text with old - if exactly the same then continue */
2244 if (stp[col] == dtp[col] /* Must match characters to skip. */
2245 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2246 || (stp[col] == ' ' /* space w/ no background change */
2247 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2248 continue;
2249
2250 // redraw one or more characters
2251
2252 // seek to the beginning of wide characters
2253 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2254 --col;
2255
2256 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2257 text_t *text = stp + col;
2258 int count = 1;
2259
2260 dtp[col] = stp[col];
2261 drp[col] = rend;
2262
2263 int xpixel = Col2Pixel (col);
2264
2265 for (i = 0; ++col < ncol; )
2266 {
2267 if (stp[col] == NOCHAR)
2268 {
2269 dtp[col] = stp[col];
2270 drp[col] = srp[col];
2271
2272 count++;
2273 i++;
2274
2275 continue;
2276 }
2277
2278 if (!RS_SAME (rend, srp[col]))
2279 break;
2280
2281 count++;
2282
2283 if (stp[col] != dtp[col]
2284 || !RS_SAME (srp[col], drp[col]))
2285 {
2286 if (have_bg && (i++ > count / 2))
2287 break;
2288
2289 dtp[col] = stp[col];
2290 drp[col] = rend;
2291 i = 0;
2292 }
2293 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2294 break;
2295 }
2296
2297 col--; /* went one too far. move back */
2298 count -= i; /* dump any matching trailing chars */
2299
2300 // sometimes we optimize away the trailing NOCHAR's, add them back
2301 while (ecb_unlikely (i && text[count] == NOCHAR))
2302 count++, i--;
2303
2304 /*
2305 * Determine the attributes for the string
2306 */
2307 int fore = fgcolor_of (rend); // desired foreground
2308 int back = bgcolor_of (rend); // desired background
2309
2310 // only do special processing if any attributes are set, which is unlikely
2311 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2312 {
2313 bool invert = rend & RS_RVid;
2314
2315#ifndef NO_BOLD_UNDERLINE_REVERSE
2316 if (rend & RS_Bold && fore == Color_fg)
2317 {
2318 if (ISSET_PIXCOLOR (Color_BD))
2319 fore = Color_BD;
2320# if !ENABLE_STYLES
2321 else
2322 invert = !invert;
2323# endif
2324 }
2325
2326 if (rend & RS_Italic && fore == Color_fg)
2327 {
2328 if (ISSET_PIXCOLOR (Color_IT))
2329 fore = Color_IT;
2330# if !ENABLE_STYLES
2331 else
2332 invert = !invert;
2333# endif
2334 }
2335
2336 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2337 fore = Color_UL;
2338#endif
2339
2340#ifdef OPTION_HC
2341 if (rend & RS_Sel)
2342 {
2343 /* invert the column if no highlightColor is set or it is the
2344 * current cursor column */
2345 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2346 && ISSET_PIXCOLOR (Color_HC))
2347 {
2348 if (ISSET_PIXCOLOR (Color_HTC))
2349 fore = Color_HTC;
2350 // if invert is 0 reverse video is set so we use bg color as fg color
2351 else if (!invert)
2352 fore = back;
2353
2354 back = Color_HC;
2355 invert = 0;
2356 }
2357 }
2358#endif
2359
2360 if (invert)
2361 {
2362 ::swap (fore, back);
2363
2364#ifndef NO_BOLD_UNDERLINE_REVERSE
2365 if (fore == back)
2366 {
2367 fore = Color_bg;
2368 back = Color_fg;
2369 }
2370#endif
2371 }
2372
2373#ifdef TEXT_BLINK
2374 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2375 {
2376 if (!text_blink_ev.is_active ())
2377 {
2378 text_blink_ev.again ();
2379 hidden_text = 0;
2380 }
2381 else if (hidden_text)
2382 fore = back;
2383 }
2384#endif
2385
2386#if ENABLE_STYLES
2387 // "careful" (too wide) character handling
2388
2389 // include previous careful character(s) if possible, looks nicer (best effort...)
2390 while (text > stp
2391 && srp[text - stp - 1] & RS_Careful
2392 && RS_SAME (rend, srp[text - stp - 1]))
2393 text--, count++, xpixel -= fwidth;
2394
2395 // force redraw after "careful" characters to avoid pixel droppings
2396 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2397 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2398
2399 // force redraw before "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2401 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2402#endif
2403 }
2404
2405 /*
2406 * Actually do the drawing of the string here
2407 */
2408 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2409
2410 if (ecb_likely (have_bg && back == Color_bg))
2411 {
2412 // this is very ugly, maybe push it into ->draw?
2413
2414 for (i = 0; i < count; i++) /* don't draw empty strings */
2415 if (text[i] != ' ')
2002 { 2416 {
2003 for (col = TermWin.ncol; col--; ) 2417 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2004 { 2418 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 } 2419 }
2420
2421 CLEAR_CHARS (xpixel, ypixel, count);
2422 did_clear: ;
2015 } 2423 }
2424 else
2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2016 2426
2017 if (len != -1) 2427 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2018 { 2428 {
2019 /* also comes here at end if needed because of >= above */ 2429#if ENABLE_FRILLS
2020 if (wlen < len) 2430 if (ISSET_PIXCOLOR (Color_underline))
2021 SWAP_IT(wlen, len, int); 2431 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2432 else
2433#endif
2434 XSetForeground (dpy, gc, pix_colors[fore]);
2022 2435
2023 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1)); 2436 XDrawLine (dpy, vt, gc,
2024 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt, 2437 xpixel, ypixel + font->ascent + 1,
2025 TermWin.gc, 0, Row2Pixel (len + i), 2438 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 } 2439 }
2031 } 2440 } /* for (col....) */
2032 } 2441 } /* for (row....) */
2033#endif
2034 2442
2035 /* 2443 /*
2036 * E: main pass across every character 2444 * G: cleanup cursor and display outline cursor if necessary
2037 */ 2445 */
2038 for (row = 0; row < TermWin.nrow; row++) 2446 if (showcursor)
2039 { 2447 {
2040 stp = screen.text[row + row_offset]; 2448 if (focus)
2041 srp = screen.rend[row + row_offset];
2042 dtp = drawn_text[row];
2043 drp = drawn_rend[row];
2044
2045 /*
2046 * E2: OK, now the real pass
2047 */
2048 int ypixel = (int)Row2Pixel(row);
2049
2050 for (col = 0; col < TermWin.ncol; col++)
2051 { 2449 {
2052 /* compare new text with old - if exactly the same then continue */ 2450 if (option (Opt_cursorUnderline))
2053 rend_t rend = srp[col]; /* screen rendition (target rendtion) */ 2451 *crp ^= RS_Uline;
2054 2452 else
2055 if (stp[col] == dtp[col] /* Must match characters to skip. */
2056 && (rend == drp[col] /* Either rendition the same or */
2057 || (stp[col] == ' ' /* space w/ no background change */
2058 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2059 continue;
2060
2061 text_t *text = stp + col;
2062 int count = 1;
2063
2064 /* redraw one or more characters */
2065
2066 dtp[col] = stp[col];
2067 drp[col] = rend;
2068
2069 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2070 continue;
2071
2072 int xpixel = Col2Pixel(col);
2073
2074 // this loop looks very messy, it can probably be optimized
2075 // and cleaned a bit by you?
2076 for (i = 0; ++col < TermWin.ncol; )
2077 { 2453 {
2078 if (stp[col] == NOCHAR) 2454 *crp ^= RS_RVid;
2079 {
2080 dtp[col] = stp[col];
2081 drp[col] = rend;
2082 count++;
2083
2084 if (i) // only possible skip if char unchanged
2085 i++;
2086
2087 continue;
2088 }
2089
2090 if (rend != srp[col])
2091 break;
2092
2093 count++;
2094
2095 if (stp[col] != dtp[col]
2096 || srp[col] != drp[col])
2097 {
2098 if (must_clear && (i++ > (count / 2)))
2099 break;
2100
2101 dtp[col] = stp[col];
2102 drp[col] = rend;
2103 i = 0;
2104 }
2105 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2106 break;
2107 }
2108
2109 col--; /* went one too far. move back */
2110 count -= i; /* dump any matching trailing chars */
2111
2112 /*
2113 * Determine the attributes for the string
2114 */
2115 int fid = GET_FONT (rend);
2116 int fore = GET_FGCOLOR (rend); // desired foreground
2117 int back = GET_BGCOLOR (rend); // desired background
2118
2119 rend = GET_ATTR (rend);
2120
2121 rvid = !!(rend & RS_RVid);
2122#ifdef TEXT_BLINK
2123 if (rend & RS_Blink)
2124 {
2125 if (!text_blink_ev.active)
2126 {
2127 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2128 hidden_text = 0;
2129 }
2130 else if (hidden_text)
2131 fore = back;
2132 }
2133#endif
2134 if (rvid)
2135 {
2136 SWAP_IT(fore, back, int);
2137
2138#ifndef NO_BOLD_UNDERLINE_REVERSE
2139 if (ISSET_PIXCOLOR (Color_RV)
2140# ifndef NO_CURSORCOLOR 2455#ifndef NO_CURSORCOLOR
2456 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2457#endif
2458 }
2459 }
2460 else if (oldcursor.row >= 0)
2461 {
2462 int cursorwidth = 1;
2463 int col = oldcursor.col;
2464
2465 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2466 col--;
2467
2468 while (col + cursorwidth < ncol
2469 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2470 cursorwidth++;
2471
2472#ifndef NO_CURSORCOLOR
2141 && !ISSET_PIXCOLOR (Color_cursor) 2473 if (ISSET_PIXCOLOR (Color_cursor))
2474 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2475 else
2476#endif
2477 XSetForeground (dpy, gc, pix_colors[ccol1]);
2478
2479 XDrawRectangle (dpy, vt, gc,
2480 Col2Pixel (col),
2481 Row2Pixel (oldcursor.row),
2482 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2483 (unsigned int) (Height2Pixel (1) - 1));
2484 }
2485 }
2486
2487 /*
2488 * H: cleanup selection
2489 */
2490#if ENABLE_OVERLAY
2491 scr_swap_overlay ();
2492#endif
2493 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2494
2495 scr_reverse_selection ();
2496
2497 screen.flags = old_screen_flags;
2498 num_scr = 0;
2499 num_scr_allow = 1;
2500}
2501
2502void ecb_cold
2503rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2504{
2505 if (!l.valid ())
2506 return;
2507
2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2509
2510 for (int i = ncol; i--; )
2511 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2512}
2513
2514void ecb_cold
2515rxvt_term::scr_remap_chars () NOTHROW
2516{
2517 for (int i = total_rows; i--; )
2518 scr_remap_chars (row_buf [i]);
2519
2520 for (int i = nrow; i--; )
2521 {
2522 scr_remap_chars (drawn_buf [i]);
2523 scr_remap_chars (swap_buf [i]);
2524 }
2525}
2526
2527void ecb_cold
2528rxvt_term::scr_recolour (bool refresh) NOTHROW
2529{
2530 bool transparent = false;
2531
2532#ifdef HAVE_BG_PIXMAP
2533 if (bg_img != 0)
2534 {
2535# if ENABLE_TRANSPARENCY
2536 if (bg_flags & BG_IS_TRANSPARENT)
2537 {
2538 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2539 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2540
2541 transparent = true;
2542 }
2543 else
2142# endif 2544# endif
2143 )
2144 back = Color_RV;
2145#endif
2146 }
2147#ifndef NO_BOLD_UNDERLINE_REVERSE
2148 else if (rend & RS_Bold)
2149 {
2150 if (ISSET_PIXCOLOR (Color_BD))
2151 fore = Color_BD;
2152 else if (fore == Color_fg)
2153 fore = Color_White;
2154 }
2155 else if (rend & RS_Uline)
2156 {
2157 if (ISSET_PIXCOLOR (Color_UL))
2158 fore = Color_UL;
2159 }
2160#endif
2161
2162 /*
2163 * Actually do the drawing of the string here
2164 */
2165 rxvt_font *font = (*TermWin.fontset)[fid];
2166
2167 if (back == Color_bg)
2168 {
2169 if (must_clear)
2170 {
2171 for (i = 0; i < count; i++) /* don't draw empty strings */
2172 if (text[i] != ' ')
2173 {
2174 font->draw (xpixel, ypixel, text, count, fore, -1);
2175 goto nodraw;
2176 }
2177
2178 CLEAR_CHARS (xpixel, ypixel, count);
2179nodraw: ;
2180 }
2181 else
2182 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2183 }
2184 else
2185 font->draw (xpixel, ypixel, text, count, fore, back);
2186
2187 if ((rend & RS_Uline) && (font->descent > 1))
2188 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2189 xpixel, ypixel + font->ascent + 1,
2190 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2191 } /* for (col....) */
2192 } /* for (row....) */
2193
2194 /*
2195 * G: cleanup cursor and display outline cursor if necessary
2196 */
2197 if (showcursor) {
2198 if (TermWin.focus) {
2199 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2200 [screen.cur.col]);
2201 *srp ^= RS_RVid;
2202#ifndef NO_CURSORCOLOR
2203 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2204#endif
2205 } else if (oldcursor.row >= 0) {
2206#ifndef NO_CURSORCOLOR
2207 if (ISSET_PIXCOLOR (Color_cursor))
2208 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2209#endif
2210 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2211 Col2Pixel(oldcursor.col),
2212 Row2Pixel(oldcursor.row),
2213 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2214 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2215 } 2545 {
2216 } 2546 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2217 2547 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2218 /*
2219 * H: cleanup selection
2220 */
2221 scr_reverse_selection ();
2222
2223 /*
2224 * I: other general cleanup
2225 */
2226 if (clearfirst && TermWin.int_bwidth)
2227 /* 2548 }
2228 * clear the whole screen height, note that width == 0 is treated 2549 }
2229 * specially by XClearArea 2550 else
2230 */ 2551#endif
2231 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2552 {
2232 (unsigned int)TermWin.int_bwidth, 2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2233 (unsigned int)TermWin_TotalHeight(), False); 2554 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2234 if (clearlast && TermWin.int_bwidth) 2555 }
2235 /*
2236 * clear the whole screen height, note that width == 0 is treated
2237 * specially by XClearArea
2238 */
2239 XClearArea(Xdisplay, TermWin.vt,
2240 TermWin.width + TermWin.int_bwidth, 0,
2241 (unsigned int)TermWin.int_bwidth,
2242 (unsigned int)TermWin_TotalHeight(), False);
2243 if (refresh_type & SMOOTH_REFRESH)
2244 XSync(Xdisplay, False);
2245 2556
2246 num_scr = 0; 2557 XClearWindow (dpy, parent);
2247 num_scr_allow = 1;
2248 want_refresh = 0; /* screen is current */
2249}
2250 2558
2559 if (scrollBar.win)
2560 {
2561 if (transparent)
2562 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2563 else
2564 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2565 scrollBar.state = SB_STATE_IDLE;
2566 scrollBar.show (0);
2567 }
2568
2569 if (refresh)
2570 {
2571 scr_clear ();
2572 scr_touch (true);
2573 }
2574 want_refresh = 1;
2575}
2576
2251/* ------------------------------------------------------------------------- */ 2577/* ------------------------------------------------------------------------- */
2252void 2578void
2253rxvt_term::scr_clear() 2579rxvt_term::scr_clear (bool really) NOTHROW
2254{ 2580{
2255 if (!TermWin.mapped) 2581 if (!mapped)
2256 return; 2582 return;
2257 2583
2258 num_scr_allow = 0; 2584 num_scr_allow = 0;
2259 want_refresh = 1; 2585 want_refresh = 1;
2260#ifdef TRANSPARENT 2586
2261 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2587 if (really)
2588 XClearWindow (dpy, vt);
2589}
2590
2591void
2592rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2593{
2594 int view_end = view_start + nrow;
2595 int row, col;
2596
2597 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2598 {
2599 text_t *stp = ROW(row).t;
2600 rend_t *srp = ROW(row).r;
2601
2602 for (col = beg_col; col < end_col; col++)
2603 srp[col] ^= rstyle1;
2604
2605 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2606 srp[col] ^= rstyle2;
2607
2608 if (++col < end_col)
2609 srp[col] ^= rstyle2;
2262 { 2610 }
2263 int i; 2611}
2264 2612
2265 if (!(Options & Opt_transparent_all)) 2613void
2614rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2615{
2616 int view_end = view_start + nrow;
2617 int row, col;
2618
2619 if (beg_row >= view_start)
2620 {
2621 col = beg_col;
2622 row = beg_row;
2623 }
2624 else
2625 {
2266 i = 0; 2626 col = 0;
2627 row = view_start;
2628 }
2629
2630 for (; row < min (end_row, view_end); row++, col = 0)
2631 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2632 srp[col] ^= rstyle;
2633
2634 if (row == end_row)
2635 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2636 srp[col] ^= rstyle;
2637}
2638
2639/* ------------------------------------------------------------------------- */
2640void ecb_hot
2641rxvt_term::scr_reverse_selection () NOTHROW
2642{
2643 if (selection.op
2644 && current_screen == selection.screen
2645 && selection.end.row >= view_start)
2646 {
2647#if !ENABLE_MINIMAL
2648 if (selection.rect)
2649 scr_xor_rect (selection.beg.row, selection.beg.col,
2650 selection.end.row, selection.end.col,
2651 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2267 else 2652 else
2268 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2269
2270 while (i--)
2271 if (TermWin.parent[i] != None)
2272 XClearWindow(Xdisplay, TermWin.parent[i]);
2273 }
2274#endif 2653#endif
2275 2654 scr_xor_span (selection.beg.row, selection.beg.col,
2276 XClearWindow (Xdisplay, TermWin.vt); 2655 selection.end.row, selection.end.col,
2277} 2656 RS_Sel | RS_RVid);
2278
2279/* ------------------------------------------------------------------------- */
2280void
2281rxvt_term::scr_reverse_selection ()
2282{
2283 int i, col, row, end_row;
2284 rend_t *srp;
2285
2286 if (selection.op && current_screen == selection.screen) {
2287 end_row = TermWin.saveLines - TermWin.view_start;
2288 i = selection.beg.row + TermWin.saveLines;
2289 row = selection.end.row + TermWin.saveLines;
2290 if (i >= end_row)
2291 col = selection.beg.col;
2292 else {
2293 col = 0;
2294 i = end_row;
2295 }
2296 end_row += TermWin.nrow;
2297 for (; i < row && i < end_row; i++, col = 0)
2298 for (srp = screen.rend[i]; col < TermWin.ncol; col++)
2299 srp[col] ^= RS_RVid;
2300 if (i == row && i < end_row)
2301 for (srp = screen.rend[i]; col < selection.end.col; col++)
2302 srp[col] ^= RS_RVid;
2303 } 2657 }
2304} 2658}
2305 2659
2306/* ------------------------------------------------------------------------- */ 2660/* ------------------------------------------------------------------------- */
2307/* 2661/*
2308 * Dump the whole scrollback and screen to the passed filedescriptor. The 2662 * Dump the whole scrollback and screen to the passed filedescriptor. The
2309 * invoking routine must close the fd. 2663 * invoking routine must close the fd.
2310 */ 2664 */
2311#if 0 2665#if 0
2312void 2666void
2313rxvt_term::scr_dump (int fd) 2667rxvt_term::scr_dump (int fd) NOTHROW
2314{ 2668{
2315 int row, wrote; 2669 // if this method is needed, it can be implemented by factoring the
2316 unsigned int width, towrite; 2670 // relevant code in scr_printscreen
2317 char r1[] = "\n";
2318
2319 for (row = TermWin.saveLines - TermWin.nscrolled;
2320 row < TermWin.saveLines + TermWin.nrow - 1; row++) {
2321 width = screen.tlen[row] >= 0 ? screen.tlen[row]
2322 : TermWin.ncol;
2323 for (towrite = width; towrite; towrite -= wrote) {
2324 wrote = write(fd, &(screen.text[row][width - towrite]),
2325 towrite);
2326 if (wrote < 0)
2327 return; /* XXX: death, no report */
2328 }
2329 if (screen.tlen[row] >= 0)
2330 if (write(fd, r1, 1) <= 0)
2331 return; /* XXX: death, no report */
2332 }
2333} 2671}
2334#endif 2672#endif
2335 2673
2336/* ------------------------------------------------------------------------- * 2674/* ------------------------------------------------------------------------- *
2337 * CHARACTER SELECTION * 2675 * CHARACTER SELECTION *
2338 * ------------------------------------------------------------------------- */ 2676 * ------------------------------------------------------------------------- */
2339
2340/*
2341 * -TermWin.nscrolled <= (selection row) <= TermWin.nrow - 1
2342 */
2343void 2677void
2344rxvt_term::selection_check (int check_more) 2678rxvt_term::selection_check (int check_more) NOTHROW
2345{ 2679{
2346 row_col_t pos;
2347
2348 if (!selection.op) 2680 if (!selection.op)
2349 return; 2681 return;
2350 2682
2351 pos.row = pos.col = 0; 2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2352 if ((selection.beg.row < -(int32_t)TermWin.nscrolled) 2684 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2353 || (selection.beg.row >= TermWin.nrow) 2685 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2354 || (selection.mark.row < -(int32_t)TermWin.nscrolled)
2355 || (selection.mark.row >= TermWin.nrow)
2356 || (selection.end.row < -(int32_t)TermWin.nscrolled)
2357 || (selection.end.row >= TermWin.nrow)
2358 || (check_more == 1 2686 || (check_more == 1
2359 && current_screen == selection.screen 2687 && current_screen == selection.screen
2360 && !ROWCOL_IS_BEFORE(screen.cur, selection.beg) 2688 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2361 && ROWCOL_IS_BEFORE(screen.cur, selection.end)) 2689 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2362 || (check_more == 2
2363 && ROWCOL_IS_BEFORE(selection.beg, pos)
2364 && ROWCOL_IS_AFTER(selection.end, pos))
2365 || (check_more == 3
2366 && ROWCOL_IS_AFTER(selection.end, pos))
2367 || (check_more == 4 /* screen width change */
2368 && (selection.beg.row != selection.end.row
2369 || selection.end.col > TermWin.ncol)))
2370 CLEAR_SELECTION(); 2690 CLEAR_ALL_SELECTION ();
2371} 2691}
2372 2692
2373/* ------------------------------------------------------------------------- */ 2693/* ------------------------------------------------------------------------- */
2374/* 2694/*
2375 * Paste a selection direct to the command fd 2695 * Paste a selection direct to the command fd
2376 */ 2696 */
2377void 2697void
2378rxvt_term::paste (const unsigned char *data, unsigned int len) 2698rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2379{ 2699{
2380 unsigned int i, j, n;
2381 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2382
2383#if 0
2384 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2385 ZERO_SCROLLBACK (r);
2386#endif
2387
2388 /* convert normal newline chars into common keyboard Return key sequence */ 2700 /* convert normal newline chars into common keyboard Return key sequence */
2389 for (i = 0; i < len; i += PROP_SIZE) 2701 for (unsigned int i = 0; i < len; i++)
2390 { 2702 if (data[i] == C0_LF)
2391 n = min (len - i, PROP_SIZE); 2703 data[i] = C0_CR;
2392 MEMCPY (ds, data + i, n);
2393 2704
2394 for (j = 0; j < n; j++) 2705 if (priv_modes & PrivMode_BracketPaste)
2395 if (ds[j] == '\n') 2706 tt_printf ("\x1b[200~");
2396 ds[j] = '\r';
2397 2707
2398 tt_write (ds, (int)n); 2708 tt_write (data, len);
2399 }
2400 2709
2401 free(ds); 2710 if (priv_modes & PrivMode_BracketPaste)
2711 tt_printf ("\x1b[201~");
2402} 2712}
2403 2713
2404/* ------------------------------------------------------------------------- */ 2714void
2405/* 2715rxvt_term::paste (char *data, unsigned int len) NOTHROW
2406 * Respond to a notification that a primary selection has been sent
2407 * EXT: SelectionNotify
2408 */
2409int
2410rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)
2411{ 2716{
2412 long nread = 0; 2717 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2413 unsigned long bytes_after;
2414 XTextProperty ct;
2415
2416 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, selection_wait));
2417
2418 if (prop == None) /* check for failed XConvertSelection */
2419 {
2420 if ((selection_type & Sel_CompoundText))
2421 {
2422 int selnum = selection_type & Sel_whereMask;
2423
2424 selection_type = 0;
2425 if (selnum != Sel_direct)
2426 selection_request_other (XA_STRING, selnum);
2427 }
2428
2429 if ((selection_type & Sel_UTF8String))
2430 {
2431 int selnum = selection_type & Sel_whereMask;
2432
2433 selection_type = Sel_CompoundText;
2434 if (selnum != Sel_direct)
2435 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2436 else
2437 selection_type = 0;
2438 }
2439
2440 return 0; 2718 return;
2441 }
2442 2719
2443 for (;;) 2720 tt_paste (data, len);
2444 {
2445 if (XGetWindowProperty(Xdisplay, win, prop, (long)(nread / 4),
2446 (long)(PROP_SIZE / 4), delete_prop,
2447 AnyPropertyType, &ct.encoding, &ct.format,
2448 &ct.nitems, &bytes_after,
2449 &ct.value) != Success)
2450 break;
2451
2452 if (ct.encoding == 0)
2453 {
2454 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2455 break;
2456 }
2457
2458 if (ct.value == NULL)
2459 {
2460 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2461 continue;
2462 }
2463
2464 if (ct.nitems == 0)
2465 {
2466 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2467 if (selection_wait == Sel_normal && nread == 0)
2468 {
2469 /*
2470 * pass through again trying CUT_BUFFER0 if we've come from
2471 * XConvertSelection() but nothing was presented
2472 */
2473 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2474 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2475 }
2476
2477 nread = -1; /* discount any previous stuff */
2478 break;
2479 }
2480
2481 nread += ct.nitems;
2482
2483 char **cl;
2484 int cr;
2485 if (XmbTextPropertyToTextList (Xdisplay, &ct, &cl,
2486 &cr) >= 0 && cl)
2487 {
2488 for (int i = 0; i < cr; i++)
2489 paste ((unsigned char *)cl[i], STRLEN (cl[i]));
2490
2491 XFreeStringList (cl);
2492 }
2493 else
2494 paste (ct.value, ct.nitems);
2495
2496 if (bytes_after == 0)
2497 break;
2498
2499 XFree (ct.value);
2500 }
2501
2502 if (ct.value)
2503 XFree (ct.value);
2504
2505 if (selection_wait == Sel_normal)
2506 selection_wait = Sel_none;
2507
2508 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2509 return (int)nread;
2510} 2721}
2511 2722
2512void
2513rxvt_term::incr_cb (time_watcher &w)
2514{
2515 selection_wait = Sel_none;
2516
2517 rxvt_print_error ("data loss: timeout on INCR selection paste");
2518}
2519
2520/*
2521 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2522 */
2523void
2524rxvt_term::selection_property (Window win, Atom prop)
2525{
2526 int reget_time = 0;
2527
2528 if (prop == None)
2529 return;
2530 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2531 if (selection_wait == Sel_normal) {
2532 int a, afmt;
2533 Atom atype;
2534 unsigned long bytes_after, nitems;
2535 unsigned char *s = NULL;
2536
2537 a = XGetWindowProperty(Xdisplay, win, prop, 0L, 1L, False,
2538 xa[XA_INCR], &atype, &afmt, &nitems,
2539 &bytes_after, &s);
2540 if (s)
2541 XFree(s);
2542 if (a != Success)
2543 return;
2544#ifndef __CYGWIN32__
2545 if (atype == xa[XA_INCR]) { /* start an INCR transfer */
2546 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2547 XDeleteProperty(Xdisplay, win, prop);
2548 XFlush(Xdisplay);
2549 reget_time = 1;
2550 selection_wait = Sel_incr;
2551 }
2552#endif
2553 } else if (selection_wait == Sel_incr) {
2554 reget_time = 1;
2555 if (selection_paste (win, prop, True) == -1) {
2556 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2557 selection_wait = Sel_none;
2558 incr_ev.stop ();
2559 }
2560 }
2561 if (reget_time) /* received more data so reget time */
2562 incr_ev.start (NOW + 10);
2563}
2564/* ------------------------------------------------------------------------- */ 2723/* ------------------------------------------------------------------------- */
2565/* 2724/*
2566 * Request the current selection: 2725 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2567 * Order: > internal selection if available 2726 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2568 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2727 * as fallback
2569 * > CUT_BUFFER0
2570 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2571 * will auto fallback to CUT_BUFFER0
2572 * EXT: button 2 release 2728 * EXT: button 2 release
2573 */ 2729 */
2574void 2730void
2575rxvt_term::selection_request (Time tm, int x, int y) 2731rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2576{ 2732{
2577 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2733 if (!selection_req)
2578 if (x < 0 || x >= TermWin.width || y < 0 || y >= TermWin.height)
2579 return; /* outside window */
2580
2581 if (selection.text != NULL) { /* internal selection */
2582 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2583 paste (selection.text, selection.len);
2584 return;
2585 } else {
2586 int i;
2587
2588 selection_request_time = tm;
2589 selection_wait = Sel_normal;
2590 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2591#if X_HAVE_UTF8_STRING
2592 selection_type = Sel_UTF8String;
2593 if (selection_request_other (xa[XA_UTF8_STRING], i))
2594 return;
2595#else
2596 selection_type = Sel_CompoundText;
2597 if (selection_request_other (xa[XA_COMPOUND_TEXT], i))
2598 return;
2599#endif
2600 }
2601 } 2734 {
2602 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);
2603 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2736 selection_req->run ();
2604 selection_paste (Xroot, XA_CUT_BUFFER0, False);
2605}
2606
2607int
2608rxvt_term::selection_request_other (Atom target, int selnum)
2609{
2610 Atom sel;
2611#ifdef DEBUG_SELECT
2612 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2613#endif
2614
2615 selection_type |= selnum;
2616 if (selnum == Sel_Primary)
2617 sel = XA_PRIMARY;
2618 else if (selnum == Sel_Secondary)
2619 sel = XA_SECONDARY;
2620 else
2621 sel = xa[XA_CLIPBOARD];
2622 if (XGetSelectionOwner(Xdisplay, sel) != None) {
2623 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2624 XConvertSelection(Xdisplay, sel, target, xa[XA_VT_SELECTION],
2625 TermWin.vt, selection_request_time);
2626 return 1;
2627 } 2737 }
2628 return 0;
2629} 2738}
2630 2739
2631/* ------------------------------------------------------------------------- */ 2740/* ------------------------------------------------------------------------- */
2632/* 2741/*
2633 * Clear all selected text 2742 * Clear all selected text
2634 * EXT: SelectionClear 2743 * EXT: SelectionClear
2635 */ 2744 */
2636void 2745void
2637rxvt_term::selection_clear () 2746rxvt_term::selection_clear (bool clipboard) NOTHROW
2638{ 2747{
2639 D_SELECT((stderr, "rxvt_selection_clear()")); 2748 if (!clipboard)
2640 2749 {
2641 want_refresh = 1; 2750 want_refresh = 1;
2642 if (selection.text)
2643 free(selection.text); 2751 free (selection.text);
2644 selection.text = NULL; 2752 selection.text = NULL;
2645 selection.len = 0; 2753 selection.len = 0;
2646 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 }
2647} 2768}
2648 2769
2649/* ------------------------------------------------------------------------- */ 2770/* ------------------------------------------------------------------------- */
2650/* 2771/*
2651 * Copy a selection into the cut buffer 2772 * Copy a selection into the cut buffer
2652 * EXT: button 1 or 3 release 2773 * EXT: button 1 or 3 release
2653 */ 2774 */
2654void 2775void
2655rxvt_term::selection_make (Time tm) 2776rxvt_term::selection_make (Time tm)
2656{ 2777{
2657 int i, col, end_col, row, end_row; 2778 int size;
2658 unsigned char *new_selection_text; 2779 wchar_t *new_selection_text;
2659 char *str; 2780 text_t *t;
2660 text_t *t;
2661#ifdef ACS_ASCII
2662 rend_t *re;
2663#endif
2664 2781
2665 D_SELECT((stderr, "rxvt_selection_make(): selection.op=%d, selection.clicks=%d", selection.op, selection.clicks));
2666 switch (selection.op) { 2782 switch (selection.op)
2783 {
2667 case SELECTION_CONT: 2784 case SELECTION_CONT:
2668 break; 2785 break;
2669 case SELECTION_INIT: 2786 case SELECTION_INIT:
2670 CLEAR_SELECTION(); 2787 CLEAR_SELECTION ();
2671 /* FALLTHROUGH */ 2788 /* FALLTHROUGH */
2672 case SELECTION_BEGIN: 2789 case SELECTION_BEGIN:
2673 selection.op = SELECTION_DONE; 2790 selection.op = SELECTION_DONE;
2674 /* FALLTHROUGH */ 2791 /* FALLTHROUGH */
2675 default: 2792 default:
2676 return; 2793 return;
2677 } 2794 }
2795
2678 selection.op = SELECTION_DONE; 2796 selection.op = SELECTION_DONE;
2679 2797
2680 if (selection.clicks == 4) 2798 if (selection.clicks == 4)
2681 return; /* nothing selected, go away */ 2799 return; /* nothing selected, go away */
2682 2800
2801 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2802 return;
2803
2683 i = (selection.end.row - selection.beg.row + 1) * (TermWin.ncol + 1) + 1; 2804 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2684 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2805 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2685 2806
2686 new_selection_text = (unsigned char *)str; 2807 int ofs = 0;
2808 int extra = 0;
2687 2809
2688 col = selection.beg.col; 2810 int col = selection.beg.col;
2689 MAX_IT(col, 0); 2811 int row = selection.beg.row;
2690 row = selection.beg.row + TermWin.saveLines;
2691 end_row = selection.end.row + TermWin.saveLines;
2692 2812
2813 int end_col;
2814
2693 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)
2694 { 2819 {
2695 t = &(screen.text[row][col]); 2820 col = selection.beg.col;
2696
2697 end_col = screen.tlen[row];
2698
2699 if (end_col == -1)
2700 end_col = TermWin.ncol; 2821 end_col = selection.end.col;
2822 }
2823 else
2824#endif
2825 end_col = ROW(row).l;
2701 2826
2827 col = max (col, 0);
2828
2702 if (row == end_row) 2829 if (row == selection.end.row)
2703 MIN_IT (end_col, selection.end.col); 2830 min_it (end_col, selection.end.col);
2704 2831
2832 t = ROW(row).t + col;
2833
2705 for (; col < end_col; col++) 2834 for (; col < end_col; col++)
2835 {
2706 if (*t == NOCHAR) 2836 if (*t == NOCHAR)
2707 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
2708 else 2855 else
2709 { 2856 new_selection_text[ofs++] = *t++;
2710 int len = wctomb (str, *t++);
2711 if (len > 0)
2712 str += len;
2713 }
2714
2715 if (screen.tlen[row] != -1 && row != end_row)
2716 *str++ = '\n';
2717 }
2718
2719#ifndef NO_OLD_SELECTION
2720 if (selection_style == OLD_SELECT)
2721 if (end_col == TermWin.ncol)
2722 *str++ = '\n';
2723#endif
2724#ifndef NO_NEW_SELECTION
2725 if (selection_style != OLD_SELECT)
2726 if (end_col != selection.end.col)
2727 *str++ = '\n';
2728#endif
2729 *str = '\0';
2730
2731 i = str - (char *)new_selection_text;
2732 if (i == 0)
2733 {
2734 free (new_selection_text);
2735 return;
2736 }
2737
2738 // due to MB_MAX_CUR, selection wastage is usually high, so realloc
2739 if (str - (char *)new_selection_text > 1024)
2740 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2741
2742 selection.len = i;
2743
2744 if (selection.text)
2745 free (selection.text);
2746
2747 selection.text = new_selection_text;
2748
2749 XSetSelectionOwner(Xdisplay, XA_PRIMARY, TermWin.vt, tm);
2750 if (XGetSelectionOwner(Xdisplay, XA_PRIMARY) != TermWin.vt)
2751 rxvt_print_error("can't get primary selection");
2752
2753
2754 {
2755 XTextProperty ct;
2756 char *cl = (char *)selection.text;
2757
2758 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, XStringStyle, &ct) >= 0)
2759 { 2857 }
2760 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2858
2761 PropModeReplace, ct.value, ct.nitems); 2859#if !ENABLE_MINIMAL
2762 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;
2763 } 2868 }
2764 else 2869 else
2765 XChangeProperty(Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2870#endif
2766 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)
2767 } 2880 {
2881 free (new_selection_text);
2882 return;
2883 }
2768 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 {
2769 selection_time = tm; 2904 selection_time = tm;
2770 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
2771} 2934}
2772 2935
2773/* ------------------------------------------------------------------------- */ 2936/* ------------------------------------------------------------------------- */
2774/* 2937/*
2775 * 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
2776 * EXT: button 1 press 2939 * EXT: button 1 press
2777 */ 2940 */
2778void 2941void ecb_cold
2779rxvt_term::selection_click (int clicks, int x, int y) 2942rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2780{ 2943{
2781 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2782
2783 clicks = ((clicks - 1) % 3) + 1; 2944 clicks = ((clicks - 1) % 3) + 1;
2784 selection.clicks = clicks; /* save clicks so extend will work */ 2945 selection.clicks = clicks; /* save clicks so extend will work */
2785 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
2786 selection_start_colrow (Pixel2Col(x), Pixel2Row(y)); 2956 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2787 2957
2788 if (clicks == 2 || clicks == 3) 2958 if (clicks == 2 || clicks == 3)
2789 selection_extend_colrow (selection.mark.col, 2959 selection_extend_colrow (selection.mark.col,
2790 selection.mark.row + TermWin.view_start, 2960 selection.mark.row - view_start,
2791 0, /* button 3 */ 2961 0, /* button 3 */
2792 1, /* button press */ 2962 1, /* button press */
2793 0); /* click change */ 2963 0); /* click change */
2794} 2964}
2795 2965
2796/* ------------------------------------------------------------------------- */ 2966/* ------------------------------------------------------------------------- */
2797/* 2967/*
2798 * Mark a selection at the specified col/row 2968 * Mark a selection at the specified col/row
2799 */ 2969 */
2800void 2970void ecb_cold
2801rxvt_term::selection_start_colrow (int col, int row) 2971rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2802{ 2972{
2803 want_refresh = 1; 2973 want_refresh = 1;
2974
2975 selection.mark.row = row + view_start;
2804 selection.mark.col = col; 2976 selection.mark.col = col;
2805 selection.mark.row = row - TermWin.view_start; 2977
2806 MAX_IT(selection.mark.row, -(int32_t)TermWin.nscrolled); 2978 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2807 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)
2808 MAX_IT(selection.mark.col, 0); 2983 --selection.mark.col;
2809 MIN_IT(selection.mark.col, (int32_t)TermWin.ncol - 1);
2810 2984
2811 if (selection.op) { /* clear the old selection */ 2985 if (selection.op)
2986 {
2987 /* clear the old selection */
2812 selection.beg.row = selection.end.row = selection.mark.row; 2988 selection.beg.row = selection.end.row = selection.mark.row;
2813 selection.beg.col = selection.end.col = selection.mark.col; 2989 selection.beg.col = selection.end.col = selection.mark.col;
2814 } 2990 }
2991
2815 selection.op = SELECTION_INIT; 2992 selection.op = SELECTION_INIT;
2816 selection.screen = current_screen; 2993 selection.screen = current_screen;
2817} 2994}
2818 2995
2819/* ------------------------------------------------------------------------- */ 2996/* ------------------------------------------------------------------------- */
2820/* 2997/*
2821 * Word select: select text for 2 clicks 2998 * Word select: select text for 2 clicks
2822 * We now only find out the boundary in one direction 2999 * We now only find out the boundary in one direction
2823 */ 3000 */
2824 3001
2825/* 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 */
2826#define DELIMIT_TEXT(x) \ 3003#define DELIMIT_TEXT(x) \
2827 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(rs[Rs_cutchars], (x)) != NULL)) 3004 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2828#define DELIMIT_REND(x) 1 3005#define DELIMIT_REND(x) 1
2829 3006
2830void 3007void ecb_cold
2831rxvt_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
2832{ 3009{
2833 int col, row, dirnadd, tcol, trow, w1, w2; 3010 int col, row, dirnadd, tcol, trow, w1, w2;
2834 row_col_t bound; 3011 row_col_t bound;
2835 text_t *stp; 3012 text_t *stp;
2836 rend_t *srp; 3013 rend_t *srp;
2837 3014
2838 if (dirn == UP) { 3015 if (dirn == UP)
2839 bound.row = TermWin.saveLines - TermWin.nscrolled - 1; 3016 {
3017 bound.row = top_row - 1;
2840 bound.col = 0; 3018 bound.col = 0;
2841 dirnadd = -1; 3019 dirnadd = -1;
2842 } else { 3020 }
2843 bound.row = TermWin.saveLines + TermWin.nrow; 3021 else
3022 {
3023 bound.row = nrow;
2844 bound.col = TermWin.ncol - 1; 3024 bound.col = ncol - 1;
2845 dirnadd = 1; 3025 dirnadd = 1;
2846 } 3026 }
2847 row = mark->row + TermWin.saveLines; 3027
3028 row = mark->row;
2848 col = mark->col; 3029 col = max (mark->col, 0);
2849 MAX_IT(col, 0); 3030
2850/* find the edge of a word */ 3031 /* find the edge of a word */
2851 stp = &(screen.text[row][col]); 3032 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2852 w1 = DELIMIT_TEXT(*stp); 3033 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2853 3034
2854 if (selection_style != NEW_SELECT) { 3035 for (;;)
2855 if (w1 == 1) { 3036 {
3037 for (; col != bound.col; col += dirnadd)
3038 {
2856 stp += dirnadd; 3039 stp += dirnadd;
2857 if (DELIMIT_TEXT(*stp) == 1)
2858 goto Old_Word_Selection_You_Die;
2859 col += dirnadd;
2860 }
2861 w1 = 0;
2862 }
2863 srp = (&screen.rend[row][col]);
2864 w2 = DELIMIT_REND(*srp);
2865
2866 for (;;) {
2867 for (; col != bound.col; col += dirnadd) {
2868 stp += dirnadd; 3040 srp += dirnadd;
3041
3042 if (*stp == NOCHAR)
3043 continue;
3044
2869 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)
2870 break; 3059 break;
2871 srp += dirnadd; 3060
2872 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)
2873 break; 3065 break;
2874 } 3066
2875 if ((col == bound.col) && (row != bound.row)) {
2876 if (screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2877 trow = row + dirnadd;
2878 tcol = dirn == UP ? TermWin.ncol - 1 : 0;
2879 if (screen.text[trow] == NULL)
2880 break;
2881 stp = &(screen.text[trow][tcol]);
2882 srp = &(screen.rend[trow][tcol]);
2883 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2884 break;
2885 row = trow; 3067 row = trow;
2886 col = tcol; 3068 col = tcol;
2887 continue; 3069 continue;
2888 } 3070 }
2889 } 3071 }
2890 break; 3072 break;
2891 } 3073 }
2892 Old_Word_Selection_You_Die:
2893 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - TermWin.saveLines, col));
2894 3074
2895 if (dirn == DN) 3075 if (dirn == DN)
2896 col++; /* put us on one past the end */ 3076 col++; /* put us on one past the end */
2897 3077
2898/* Poke the values back in */ 3078 /* Poke the values back in */
2899 ret->row = row - TermWin.saveLines; 3079 ret->row = row;
2900 ret->col = col; 3080 ret->col = col;
2901} 3081}
2902 3082
2903/* ------------------------------------------------------------------------- */ 3083/* ------------------------------------------------------------------------- */
2904/* 3084/*
2905 * Extend the selection to the specified x/y pixel location 3085 * Extend the selection to the specified x/y pixel location
2906 * EXT: button 3 press; button 1 or 3 drag 3086 * EXT: button 3 press; button 1 or 3 drag
2907 * flag == 0 ==> button 1 3087 * flag == 0 ==> button 1
2908 * flag == 1 ==> button 3 press 3088 * flag == 1 ==> button 3 press
2909 * flag == 2 ==> button 3 motion 3089 * flag == 2 ==> button 3 motion
2910 */ 3090 */
2911void 3091void ecb_cold
2912rxvt_term::selection_extend (int x, int y, int flag) 3092rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2913{ 3093{
2914 int col, row; 3094 int col = clamp (Pixel2Col (x), 0, ncol);
3095 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2915 3096
2916 col = Pixel2Col(x);
2917 row = Pixel2Row(y);
2918 MAX_IT(row, 0);
2919 MIN_IT(row, (int)TermWin.nrow - 1);
2920 MAX_IT(col, 0);
2921 MIN_IT(col, (int)TermWin.ncol);
2922
2923#ifndef NO_NEW_SELECTION
2924 /* 3097 /*
2925 * If we're selecting characters (single click) then we must check first 3098 * If we're selecting characters (single click) then we must check first
2926 * if we are at the same place as the original mark. If we are then 3099 * if we are at the same place as the original mark. If we are then
2927 * select nothing. Otherwise, if we're to the right of the mark, you have to 3100 * select nothing. Otherwise, if we're to the right of the mark, you have to
2928 * be _past_ a character for it to be selected. 3101 * be _past_ a character for it to be selected.
2929 */ 3102 */
2930 if (selection_style != OLD_SELECT)
2931 {
2932 if (((selection.clicks % 3) == 1) && !flag 3103 if (((selection.clicks % 3) == 1) && !flag
2933 && (col == selection.mark.col 3104 && (col == selection.mark.col
2934 && (row == selection.mark.row + TermWin.view_start))) 3105 && (row == selection.mark.row - view_start)))
2935 { 3106 {
2936 /* select nothing */ 3107 /* select nothing */
2937 selection.beg.row = selection.end.row = 0; 3108 selection.beg.row = selection.end.row = 0;
2938 selection.beg.col = selection.end.col = 0; 3109 selection.beg.col = selection.end.col = 0;
2939 selection.clicks = 4; 3110 selection.clicks = 4;
2940 want_refresh = 1; 3111 want_refresh = 1;
2941 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2942 return; 3112 return;
2943 }
2944 } 3113 }
2945#endif 3114
2946 if (selection.clicks == 4) 3115 if (selection.clicks == 4)
2947 selection.clicks = 1; 3116 selection.clicks = 1;
2948 3117
2949 selection_extend_colrow (col, row, !!flag, /* ? button 3 */ 3118 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2950 flag == 1 ? 1 : 0, /* ? button press */ 3119 flag == 1 ? 1 : 0, /* ? button press */
2951 0); /* no click change */ 3120 0); /* no click change */
2952} 3121}
2953 3122
2954/* ------------------------------------------------------------------------- */ 3123/* ------------------------------------------------------------------------- */
2955/* 3124/*
2956 * Extend the selection to the specified col/row 3125 * Extend the selection to the specified col/row
2957 */ 3126 */
2958void 3127void ecb_cold
2959rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3128rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2960{ 3129{
2961 int16_t ncol = TermWin.ncol;
2962 int end_col;
2963 row_col_t pos; 3130 row_col_t pos;
2964 enum { 3131 enum {
2965 LEFT, RIGHT 3132 LEFT, RIGHT
2966 } closeto = RIGHT; 3133 } closeto = RIGHT;
2967 3134
2968 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, selection.clicks, selection.op));
2969 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
2970
2971 want_refresh = 1; 3135 want_refresh = 1;
3136
2972 switch (selection.op) { 3137 switch (selection.op)
3138 {
2973 case SELECTION_INIT: 3139 case SELECTION_INIT:
2974 CLEAR_SELECTION(); 3140 CLEAR_SELECTION ();
2975 selection.op = SELECTION_BEGIN; 3141 selection.op = SELECTION_BEGIN;
2976 /* FALLTHROUGH */ 3142 /* FALLTHROUGH */
2977 case SELECTION_BEGIN: 3143 case SELECTION_BEGIN:
2978 if (row != selection.mark.row || col != selection.mark.col 3144 if (row != selection.mark.row || col != selection.mark.col
2979 || (!button3 && buttonpress)) 3145 || (!button3 && buttonpress))
2980 selection.op = SELECTION_CONT; 3146 selection.op = SELECTION_CONT;
2981 break; 3147 break;
2982 case SELECTION_DONE: 3148 case SELECTION_DONE:
2983 selection.op = SELECTION_CONT; 3149 selection.op = SELECTION_CONT;
2984 /* FALLTHROUGH */ 3150 /* FALLTHROUGH */
2985 case SELECTION_CONT: 3151 case SELECTION_CONT:
2986 break; 3152 break;
2987 case SELECTION_CLEAR: 3153 case SELECTION_CLEAR:
2988 selection_start_colrow (col, row); 3154 selection_start_colrow (col, row);
2989 /* FALLTHROUGH */ 3155 /* FALLTHROUGH */
2990 default: 3156 default:
2991 return; 3157 return;
2992 } 3158 }
3159
2993 if (selection.beg.col == selection.end.col 3160 if (selection.beg.col == selection.end.col
2994 && selection.beg.col != selection.mark.col 3161 && selection.beg.col != selection.mark.col
2995 && selection.beg.row == selection.end.row 3162 && selection.beg.row == selection.end.row
2996 && selection.beg.row != selection.mark.row) { 3163 && selection.beg.row != selection.mark.row)
3164 {
2997 selection.beg.col = selection.end.col = selection.mark.col; 3165 selection.beg.col = selection.end.col = selection.mark.col;
2998 selection.beg.row = selection.end.row = selection.mark.row; 3166 selection.beg.row = selection.end.row = selection.mark.row;
2999 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3000 } 3167 }
3001 3168
3002 pos.col = col; 3169 pos.col = col;
3003 pos.row = row; 3170 pos.row = view_start + row;
3004 3171
3005 pos.row -= TermWin.view_start; /* adjust for scroll */ 3172 /*
3006 3173 * This is mainly xterm style selection with a couple of differences, mainly
3007#ifndef NO_OLD_SELECTION 3174 * in the way button3 drag extension works.
3008/* 3175 * We're either doing: button1 drag; button3 press; or button3 drag
3009 * This mimics some of the selection behaviour of version 2.20 and before. 3176 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3010 * There are no ``selection modes'', button3 is always character extension. 3177 * is always at the left/right edge of the selection.
3011 * Note: button3 drag is always available, c.f. v2.20 3178 * b) button3 press: extend/contract character/word/line at whichever edge of
3012 * Selection always terminates (left or right as appropriate) at the mark. 3179 * the selection we are closest to.
3180 * c) button3 drag : extend/contract character/word/line - we select around
3181 * a point/word/line which is either the start or end of the selection
3182 * and it was decided by whichever point/word/line was `fixed' at the
3183 * time of the most recent button3 press
3013 */ 3184 */
3014 if (selection_style == OLD_SELECT) { 3185 if (button3 && buttonpress)
3015 if (selection.clicks == 1 || button3) { 3186 {
3016 if (hate_those_clicks) { 3187 /* button3 press */
3017 hate_those_clicks = 0; 3188 /*
3018 if (selection.clicks == 1) { 3189 * first determine which edge of the selection we are closest to
3019 selection.beg.row = selection.mark.row; 3190 */
3020 selection.beg.col = selection.mark.col; 3191 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3021 } else { 3192 || (!ROWCOL_IS_AFTER (pos, selection.end)
3193 && (((pos.col - selection.beg.col)
3194 + ((pos.row - selection.beg.row) * ncol))
3195 < ((selection.end.col - pos.col)
3196 + ((selection.end.row - pos.row) * ncol)))))
3197 closeto = LEFT;
3198
3199 if (closeto == LEFT)
3200 {
3201 selection.beg.row = pos.row;
3202 selection.beg.col = pos.col;
3203 selection.mark.row = selection.end.row;
3204 selection.mark.col = selection.end.col - (selection.clicks == 2);
3205 }
3206 else
3207 {
3208 selection.end.row = pos.row;
3209 selection.end.col = pos.col;
3022 selection.mark.row = selection.beg.row; 3210 selection.mark.row = selection.beg.row;
3023 selection.mark.col = selection.beg.col; 3211 selection.mark.col = selection.beg.col;
3212 }
3213 }
3214 else
3215 {
3216 /* button1 drag or button3 drag */
3217 if (ROWCOL_IS_AFTER (selection.mark, pos))
3218 {
3219 if (selection.mark.row == selection.end.row
3220 && selection.mark.col == selection.end.col
3221 && clickchange
3222 && selection.clicks == 2)
3223 selection.mark.col--;
3224
3225 selection.beg.row = pos.row;
3226 selection.beg.col = pos.col;
3227 selection.end.row = selection.mark.row;
3228 selection.end.col = selection.mark.col + (selection.clicks == 2);
3229 }
3230 else
3231 {
3232 selection.beg.row = selection.mark.row;
3233 selection.beg.col = selection.mark.col;
3234 selection.end.row = pos.row;
3235 selection.end.col = pos.col;
3236 }
3237 }
3238
3239 if (selection.clicks == 1)
3240 {
3241 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3242 && !ROW(selection.beg.row).is_longer ()
3243#if !ENABLE_MINIMAL
3244 && !selection.rect
3245#endif
3246 )
3247 selection.beg.col = ncol;
3248
3249 if (
3250 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3251 && !ROW(selection.end.row).is_longer ()
3252#if !ENABLE_MINIMAL
3253 && !selection.rect
3254#endif
3255 )
3256 selection.end.col = ncol;
3257 }
3258 else if (selection.clicks == 2)
3259 {
3260 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3261 selection.end.col--;
3262
3263 selection_delimit_word (UP, &selection.beg, &selection.beg);
3264 selection_delimit_word (DN, &selection.end, &selection.end);
3265 }
3266 else if (selection.clicks == 3)
3267 {
3268#if ENABLE_FRILLS
3269 if (option (Opt_tripleclickwords))
3270 {
3271 selection_delimit_word (UP, &selection.beg, &selection.beg);
3272
3273 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3274 {
3275 if (!ROW(end_row).is_longer ())
3276 {
3277 selection.end.row = end_row;
3278 selection.end.col = ROW(end_row).l;
3279# if !ENABLE_MINIMAL
3280 selection_remove_trailing_spaces ();
3281# endif
3282 break;
3024 } 3283 }
3025 } 3284 }
3026 if (ROWCOL_IS_BEFORE(pos, selection.mark)) {
3027 selection.end.row = selection.mark.row;
3028 selection.end.col = selection.mark.col + 1;
3029 selection.beg.row = pos.row;
3030 selection.beg.col = pos.col;
3031 } else {
3032 selection.beg.row = selection.mark.row;
3033 selection.beg.col = selection.mark.col;
3034 selection.end.row = pos.row;
3035 selection.end.col = pos.col + 1;
3036 } 3285 }
3037 } else if (selection.clicks == 2) { 3286 else
3038 selection_delimit_word (UP, &(selection.mark), 3287#endif
3039 &(selection.beg)); 3288 {
3040 selection_delimit_word (DN, &(selection.mark), 3289 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3041 &(selection.end)); 3290 selection.mark.col++;
3042 hate_those_clicks = 1; 3291
3043 } else if (selection.clicks == 3) {
3044 selection.beg.row = selection.end.row = selection.mark.row;
3045 selection.beg.col = 0; 3292 selection.beg.col = 0;
3046 selection.end.col = ncol; 3293 selection.end.col = ncol;
3047 hate_those_clicks = 1; 3294
3048 } 3295 // select a complete logical line
3049 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col)); 3296 while (selection.beg.row > -saveLines
3050 return; 3297 && ROW(selection.beg.row - 1).is_longer ())
3051 } 3298 selection.beg.row--;
3052#endif /* ! NO_OLD_SELECTION */ 3299
3053#ifndef NO_NEW_SELECTION 3300 while (selection.end.row < nrow
3054/* selection_style must not be OLD_SELECT to get here */ 3301 && ROW(selection.end.row).is_longer ())
3055/* 3302 selection.end.row++;
3056 * This is mainly xterm style selection with a couple of differences, mainly
3057 * in the way button3 drag extension works.
3058 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3060 * is always at the left/right edge of the selection.
3061 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * the selection we are closest to.
3063 * c) button3 drag : extend/contract character/word/line - we select around
3064 * a point/word/line which is either the start or end of the selection
3065 * and it was decided by whichever point/word/line was `fixed' at the
3066 * time of the most recent button3 press
3067 */
3068 if (button3 && buttonpress) { /* button3 press */
3069 /* 3303 }
3070 * first determine which edge of the selection we are closest to 3304 }
3071 */ 3305
3072 if (ROWCOL_IS_BEFORE(pos, selection.beg) 3306 if (button3 && buttonpress)
3073 || (!ROWCOL_IS_AFTER(pos, selection.end) 3307 {
3074 && (((pos.col - selection.beg.col) 3308 /* mark may need to be changed */
3075 + ((pos.row - selection.beg.row) * ncol))
3076 < ((selection.end.col - pos.col)
3077 + ((selection.end.row - pos.row) * ncol)))))
3078 closeto = LEFT;
3079 if (closeto == LEFT) { 3309 if (closeto == LEFT)
3080 selection.beg.row = pos.row; 3310 {
3081 selection.beg.col = pos.col;
3082 selection.mark.row = selection.end.row; 3311 selection.mark.row = selection.end.row;
3083 selection.mark.col = selection.end.col 3312 selection.mark.col = selection.end.col - (selection.clicks == 2);
3084 - (selection.clicks == 2); 3313 }
3085 } else { 3314 else
3086 selection.end.row = pos.row; 3315 {
3087 selection.end.col = pos.col;
3088 selection.mark.row = selection.beg.row; 3316 selection.mark.row = selection.beg.row;
3089 selection.mark.col = selection.beg.col; 3317 selection.mark.col = selection.beg.col;
3090 }
3091 } else { /* button1 drag or button3 drag */
3092 if (ROWCOL_IS_AFTER(selection.mark, pos)) {
3093 if ((selection.mark.row == selection.end.row)
3094 && (selection.mark.col == selection.end.col)
3095 && clickchange && selection.clicks == 2)
3096 selection.mark.col--;
3097 selection.beg.row = pos.row;
3098 selection.beg.col = pos.col;
3099 selection.end.row = selection.mark.row;
3100 selection.end.col = selection.mark.col
3101 + (selection.clicks == 2);
3102 } else {
3103 selection.beg.row = selection.mark.row;
3104 selection.beg.col = selection.mark.col;
3105 selection.end.row = pos.row;
3106 selection.end.col = pos.col;
3107 }
3108 }
3109
3110 if (selection.clicks == 1) {
3111 end_col = screen.tlen[selection.beg.row + TermWin.saveLines];
3112 if (end_col != -1 && selection.beg.col > end_col) {
3113#if 1
3114 selection.beg.col = ncol;
3115#else
3116 if (selection.beg.row != selection.end.row)
3117 selection.beg.col = ncol;
3118 else
3119 selection.beg.col = selection.mark.col;
3120#endif
3121 }
3122 end_col = screen.tlen[selection.end.row + TermWin.saveLines];
3123 if (end_col != -1 && selection.end.col > end_col)
3124 selection.end.col = ncol;
3125
3126 } else if (selection.clicks == 2) {
3127 if (ROWCOL_IS_AFTER(selection.end, selection.beg))
3128 selection.end.col--;
3129 selection_delimit_word (UP, &(selection.beg),
3130 &(selection.beg));
3131 selection_delimit_word (DN, &(selection.end),
3132 &(selection.end));
3133 } else if (selection.clicks == 3) {
3134#ifndef NO_FRILLS
3135 if ((Options & Opt_tripleclickwords)) {
3136 int end_row;
3137
3138 selection_delimit_word (UP, &(selection.beg),
3139 &(selection.beg));
3140 end_row = screen.tlen[selection.mark.row
3141 + TermWin.saveLines];
3142 for (end_row = selection.mark.row; end_row < TermWin.nrow;
3143 end_row++) {
3144 end_col = screen.tlen[end_row + TermWin.saveLines];
3145 if (end_col != -1) {
3146 selection.end.row = end_row;
3147 selection.end.col = end_col;
3148 selection_remove_trailing_spaces ();
3149 break;
3150 }
3151 }
3152 } else
3153#endif
3154 { 3318 }
3155 if (ROWCOL_IS_AFTER(selection.mark, selection.beg))
3156 selection.mark.col++;
3157 selection.beg.col = 0;
3158 selection.end.col = ncol;
3159 }
3160 } 3319 }
3161 if (button3 && buttonpress) { /* mark may need to be changed */
3162 if (closeto == LEFT) {
3163 selection.mark.row = selection.end.row;
3164 selection.mark.col = selection.end.col
3165 - (selection.clicks == 2);
3166 } else {
3167 selection.mark.row = selection.beg.row;
3168 selection.mark.col = selection.beg.col;
3169 }
3170 }
3171 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", selection.beg.row, selection.beg.col, selection.mark.row, selection.mark.col, selection.end.row, selection.end.col));
3172#endif /* ! NO_NEW_SELECTION */
3173}
3174 3320
3175#ifndef NO_FRILLS 3321#if !ENABLE_MINIMAL
3176void 3322 if (selection.rect && selection.beg.col > selection.end.col)
3323 ::swap (selection.beg.col, selection.end.col);
3324#endif
3325}
3326
3327#if !ENABLE_MINIMAL
3328void ecb_cold
3177rxvt_term::selection_remove_trailing_spaces () 3329rxvt_term::selection_remove_trailing_spaces () NOTHROW
3178{ 3330{
3179 int32_t end_col, end_row; 3331 int32_t end_col, end_row;
3180 text_t *stp; 3332 text_t *stp;
3181 3333
3182 end_col = selection.end.col; 3334 end_col = selection.end.col;
3183 end_row = selection.end.row; 3335 end_row = selection.end.row;
3336
3184 for ( ; end_row >= selection.beg.row; ) { 3337 for (; end_row >= selection.beg.row; )
3185 stp = screen.text[end_row + TermWin.saveLines]; 3338 {
3339 stp = ROW(end_row).t;
3340
3186 while (--end_col >= 0) { 3341 while (--end_col >= 0)
3187 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3188 break;
3189 } 3342 {
3190 if (end_col >= 0 3343 if (stp[end_col] != NOCHAR
3191 || screen.tlen[end_row - 1 + TermWin.saveLines] != -1) { 3344 && !unicode::is_space (stp[end_col]))
3192 selection.end.col = end_col + 1;
3193 selection.end.row = end_row;
3194 break; 3345 break;
3195 } 3346 }
3347
3348 if (end_col >= 0
3349 || !ROW(end_row - 1).is_longer ())
3350 {
3351 selection.end.col = end_col + 1;
3352 selection.end.row = end_row;
3353 break;
3354 }
3355
3196 end_row--; 3356 end_row--;
3197 end_col = TermWin.ncol; 3357 end_col = ncol;
3198 } 3358 }
3359
3199 if (selection.mark.row > selection.end.row) { 3360 if (selection.mark.row > selection.end.row)
3361 {
3200 selection.mark.row = selection.end.row; 3362 selection.mark.row = selection.end.row;
3201 selection.mark.col = selection.end.col; 3363 selection.mark.col = selection.end.col;
3364 }
3202 } else if (selection.mark.row == selection.end.row 3365 else if (selection.mark.row == selection.end.row
3203 && selection.mark.col > selection.end.col) 3366 && selection.mark.col > selection.end.col)
3204 selection.mark.col = selection.end.col; 3367 selection.mark.col = selection.end.col;
3205} 3368}
3206#endif 3369#endif
3207 3370
3208/* ------------------------------------------------------------------------- */ 3371/* ------------------------------------------------------------------------- */
3209/* 3372/*
3210 * Double click on button 3 when already selected 3373 * Double click on button 3 when already selected
3211 * EXT: button 3 double click 3374 * EXT: button 3 double click
3212 */ 3375 */
3213void 3376void ecb_cold
3214rxvt_term::selection_rotate (int x, int y) 3377rxvt_term::selection_rotate (int x, int y) NOTHROW
3215{ 3378{
3216 selection.clicks = selection.clicks % 3 + 1; 3379 selection.clicks = selection.clicks % 3 + 1;
3217 selection_extend_colrow (Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3380 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3218} 3381}
3219
3220/* ------------------------------------------------------------------------- */
3221/*
3222 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3223 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3224 * the X11 protocol.
3225 */
3226typedef CARD32 Atom32;
3227 3382
3228/* ------------------------------------------------------------------------- */ 3383/* ------------------------------------------------------------------------- */
3229/* 3384/*
3230 * Respond to a request for our current selection 3385 * Respond to a request for our current selection
3231 * EXT: SelectionRequest 3386 * EXT: SelectionRequest
3232 */ 3387 */
3233void 3388void ecb_cold
3234rxvt_term::selection_send (const XSelectionRequestEvent *rq) 3389rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3235{ 3390{
3391 Atom property = rq.property == None ? rq.target : rq.property;
3236 XSelectionEvent ev; 3392 XSelectionEvent ev;
3237 XTextProperty ct;
3238 XICCEncodingStyle style;
3239 Atom target;
3240 3393
3241 ev.type = SelectionNotify; 3394 ev.type = SelectionNotify;
3242 ev.property = None; 3395 ev.property = None;
3243 ev.display = rq->display; 3396 ev.display = rq.display;
3244 ev.requestor = rq->requestor; 3397 ev.requestor = rq.requestor;
3245 ev.selection = rq->selection; 3398 ev.selection = rq.selection;
3246 ev.target = rq->target; 3399 ev.target = rq.target;
3247 ev.time = rq->time; 3400 ev.time = rq.time;
3248 3401
3249 if (rq->target == xa[XA_TARGETS]) { 3402 if (rq.target == xa[XA_TARGETS])
3403 {
3250 Atom32 target_list[5]; 3404 Atom target_list[6];
3251 Atom32 *target = target_list; 3405 Atom *target = target_list;
3252 3406
3253 *target++ = (Atom32) xa[XA_TARGETS]; 3407 *target++ = xa[XA_TARGETS];
3408 *target++ = xa[XA_TIMESTAMP];
3254 *target++ = (Atom32) XA_STRING; 3409 *target++ = XA_STRING;
3255 *target++ = (Atom32) xa[XA_TEXT]; 3410 *target++ = xa[XA_TEXT];
3256 *target++ = (Atom32) xa[XA_COMPOUND_TEXT]; 3411 *target++ = xa[XA_COMPOUND_TEXT];
3257#if X_HAVE_UTF8_STRING 3412#if X_HAVE_UTF8_STRING
3258 *target++ = (Atom32) xa[XA_UTF8_STRING]; 3413 *target++ = xa[XA_UTF8_STRING];
3259#endif 3414#endif
3415
3260 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_ATOM, 3416 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3261 (8 * sizeof(target_list[0])), PropModeReplace, 3417 32, PropModeReplace,
3262 (unsigned char *)target_list, 3418 (unsigned char *)target_list, target - target_list);
3263 target - target_list);
3264 ev.property = rq->property; 3419 ev.property = property;
3420 }
3421#if TODO // TODO
3265 } else if (rq->target == xa[XA_MULTIPLE]) { 3422 else if (rq.target == xa[XA_MULTIPLE])
3423 {
3266 /* TODO: Handle MULTIPLE */ 3424 /* TODO: Handle MULTIPLE */
3267 } else if (rq->target == xa[XA_TIMESTAMP] && selection.text) { 3425 }
3426#endif
3427 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3428 {
3268 XChangeProperty(Xdisplay, rq->requestor, rq->property, XA_INTEGER, 3429 XChangeProperty (dpy, rq.requestor, property, rq.target,
3269 (8 * sizeof(Time)), PropModeReplace,
3270 (unsigned char *)&selection_time, 1); 3430 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3271 ev.property = rq->property; 3431 ev.property = property;
3432 }
3433 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3434 {
3435 XChangeProperty (dpy, rq.requestor, property, rq.target,
3436 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3437 ev.property = property;
3438 }
3272 } else if (rq->target == XA_STRING 3439 else if (rq.target == XA_STRING
3273 || rq->target == xa[XA_TEXT] 3440 || rq.target == xa[XA_TEXT]
3274 || rq->target == xa[XA_COMPOUND_TEXT] 3441 || rq.target == xa[XA_COMPOUND_TEXT]
3275 || rq->target == xa[XA_UTF8_STRING] 3442 || rq.target == xa[XA_UTF8_STRING]
3276 ) { 3443 )
3444 {
3445 XTextProperty ct;
3446 Atom target = rq.target;
3277 short freect = 0; 3447 short freect = 0;
3278 int selectlen; 3448 int selectlen;
3279 char *cl; 3449 wchar_t *cl;
3450 enum {
3451 enc_string = XStringStyle,
3452 enc_text = XStdICCTextStyle,
3453 enc_compound_text = XCompoundTextStyle,
3454#ifdef X_HAVE_UTF8_STRING
3455 enc_utf8 = XUTF8StringStyle,
3456#else
3457 enc_utf8 = -1,
3458#endif
3459 } style;
3280 3460
3281 target = rq->target;
3282
3283 if (target == XA_STRING) 3461 if (target == XA_STRING)
3284 // we actually don't do XA_STRING, but who cares, as i18n clients 3462 // we actually don't do XA_STRING, but who cares, as i18n clients
3285 // will ask for another format anyways. 3463 // will ask for another format anyways.
3286 style = XStringStyle; 3464 style = enc_string;
3287 else if (target == xa[XA_TEXT]) 3465 else if (target == xa[XA_TEXT])
3288 style = XTextStyle; 3466 style = enc_text;
3289 else if (target == xa[XA_COMPOUND_TEXT]) 3467 else if (target == xa[XA_COMPOUND_TEXT])
3290 style = XCompoundTextStyle; 3468 style = enc_compound_text;
3291#if X_HAVE_UTF8_STRING 3469#if !ENABLE_MINIMAL
3292 else if (target == xa[XA_UTF8_STRING]) 3470 else if (target == xa[XA_UTF8_STRING])
3293 style = XUTF8StringStyle; 3471 style = enc_utf8;
3294#endif 3472#endif
3295 else 3473 else
3296 { 3474 {
3297 target = xa[XA_COMPOUND_TEXT]; 3475 target = xa[XA_COMPOUND_TEXT];
3298 style = XCompoundTextStyle; 3476 style = enc_compound_text;
3299 } 3477 }
3300 3478
3301 if (selection.text) { 3479 if (rq.selection == XA_PRIMARY && selection.text)
3480 {
3302 cl = (char *)selection.text; 3481 cl = selection.text;
3303 selectlen = selection.len; 3482 selectlen = selection.len;
3483 }
3484 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3485 {
3486 cl = selection.clip_text;
3487 selectlen = selection.clip_len;
3488 }
3304 } else { 3489 else
3490 {
3305 cl = ""; 3491 cl = L"";
3306 selectlen = 0; 3492 selectlen = 0;
3493 }
3494
3495#if !ENABLE_MINIMAL
3496 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3497 // so recode it manually
3498 if (style == enc_utf8)
3307 } 3499 {
3308
3309 if (XmbTextListToTextProperty(Xdisplay, &cl, 1, style, &ct) >= 0)
3310 freect = 1; 3500 freect = 1;
3501 ct.encoding = target;
3502 ct.format = 8;
3503 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3504 ct.nitems = strlen ((char *)ct.value);
3505 }
3311 else 3506 else
3507#endif
3508 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3509 freect = 1;
3510 else
3312 { 3511 {
3313 /* if we failed to convert then send it raw */ 3512 /* if we failed to convert then send it raw */
3314 ct.value = (unsigned char *)cl; 3513 ct.value = (unsigned char *)cl;
3315 ct.nitems = selectlen; 3514 ct.nitems = selectlen;
3515 ct.encoding = target;
3316 } 3516 }
3317 3517
3318 XChangeProperty(Xdisplay, rq->requestor, rq->property, 3518 XChangeProperty (dpy, rq.requestor, property,
3319 target, 8, PropModeReplace, 3519 ct.encoding, 8, PropModeReplace,
3320 ct.value, (int)ct.nitems); 3520 ct.value, (int)ct.nitems);
3321 ev.property = rq->property; 3521 ev.property = property;
3322 3522
3323 if (freect) 3523 if (freect)
3324 XFree (ct.value); 3524 XFree (ct.value);
3325 } 3525 }
3526
3326 XSendEvent(Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3527 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3327} 3528}
3328 3529
3329/* ------------------------------------------------------------------------- * 3530/* ------------------------------------------------------------------------- */
3330 * MOUSE ROUTINES *
3331 * ------------------------------------------------------------------------- */
3332
3333/*
3334 * return col/row values corresponding to x/y pixel values
3335 */
3336void
3337rxvt_term::pixel_position (int *x, int *y)
3338{
3339 *x = Pixel2Col(*x);
3340 /* MAX_IT(*x, 0); MIN_IT(*x, (int)TermWin.ncol - 1); */
3341 *y = Pixel2Row(*y);
3342 /* MAX_IT(*y, 0); MIN_IT(*y, (int)TermWin.nrow - 1); */
3343}
3344
3345/* ------------------------------------------------------------------------- */
3346#ifdef USE_XIM 3531#if USE_XIM
3347void 3532void ecb_cold
3348rxvt_term::set_position (XPoint *pos) 3533rxvt_term::im_set_position (XPoint &pos) NOTHROW
3349{ 3534{
3350 XWindowAttributes xwa; 3535 XWindowAttributes xwa;
3351 3536
3352 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3537 XGetWindowAttributes (dpy, vt, &xwa);
3538
3353 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3539 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3354 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3540 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3355} 3541}
3356
3357#endif 3542#endif
3358/* ------------------------------------------------------------------------- */ 3543
3359 3544#if ENABLE_OVERLAY
3545void
3546rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3547{
3548 if (nrow < 1 || ncol < 1)
3549 return;
3550
3551 want_refresh = 1;
3552
3553 scr_overlay_off ();
3554
3555 if (x < 0) x = ncol - w;
3556 if (y < 0) y = nrow - h;
3557
3558 // make space for border
3559 w += 2; min_it (w, ncol);
3560 h += 2; min_it (h, nrow);
3561
3562 x -= 1; clamp_it (x, 0, ncol - w);
3563 y -= 1; clamp_it (y, 0, nrow - h);
3564
3565 ov.x = x; ov.y = y;
3566 ov.w = w; ov.h = h;
3567
3568 ov.text = new text_t *[h];
3569 ov.rend = new rend_t *[h];
3570
3571 for (y = 0; y < h; y++)
3572 {
3573 text_t *tp = ov.text[y] = new text_t[w];
3574 rend_t *rp = ov.rend[y] = new rend_t[w];
3575
3576 text_t t0, t1, t2;
3577 rend_t r = OVERLAY_RSTYLE;
3578
3579 if (y == 0)
3580 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3581 else if (y < h - 1)
3582 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3583 else
3584 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3585
3586 *tp++ = t0;
3587 *rp++ = r;
3588
3589 for (x = w - 2; x > 0; --x)
3590 {
3591 *tp++ = t1;
3592 *rp++ = r;
3593 }
3594
3595 *tp = t2;
3596 *rp = r;
3597 }
3598}
3599
3600void
3601rxvt_term::scr_overlay_off () NOTHROW
3602{
3603 if (!ov.text)
3604 return;
3605
3606 want_refresh = 1;
3607
3608 for (int y = 0; y < ov.h; y++)
3609 {
3610 delete [] ov.text[y];
3611 delete [] ov.rend[y];
3612 }
3613
3614 delete [] ov.text; ov.text = 0;
3615 delete [] ov.rend; ov.rend = 0;
3616}
3617
3618void
3619rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3620{
3621 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3622 return;
3623
3624 x++, y++;
3625
3626 ov.text[y][x] = text;
3627 ov.rend[y][x] = rend;
3628}
3629
3630void
3631rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3632{
3633 while (*s)
3634 scr_overlay_set (x++, y, *s++);
3635}
3636
3637void
3638rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3639{
3640 while (*s)
3641 {
3642 text_t t = *s++;
3643 int width = WCWIDTH (t);
3644
3645 while (width--)
3646 {
3647 scr_overlay_set (x++, y, t);
3648 t = NOCHAR;
3649 }
3650 }
3651}
3652
3653void
3654rxvt_term::scr_swap_overlay () NOTHROW
3655{
3656 if (!ov.text)
3657 return;
3658
3659 // hide cursor if it is within the overlay area
3660 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3661 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3662 screen.flags &= ~Screen_VisibleCursor;
3663
3664 // swap screen mem with overlay
3665 for (int y = ov.h; y--; )
3666 {
3667 text_t *t1 = ov.text[y];
3668 rend_t *r1 = ov.rend[y];
3669
3670 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3671 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3672
3673 for (int x = ov.w; x--; )
3674 {
3675 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3676 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3677 }
3678 }
3679}
3680
3681#endif
3360/* ------------------------------------------------------------------------- * 3682/* ------------------------------------------------------------------------- */
3361 * DEBUG ROUTINES *
3362 * ------------------------------------------------------------------------- */
3363#if 0
3364void
3365rxvt_debug_colors(void)
3366{
3367 int color;
3368 const char *name[] = {
3369 "fg", "bg",
3370 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3371 };
3372 3683
3373 fprintf(stderr, "Color ( ");
3374 if (rstyle & RS_RVid)
3375 fprintf(stderr, "rvid ");
3376 if (rstyle & RS_Bold)
3377 fprintf(stderr, "bold ");
3378 if (rstyle & RS_Blink)
3379 fprintf(stderr, "blink ");
3380 if (rstyle & RS_Uline)
3381 fprintf(stderr, "uline ");
3382 fprintf(stderr, "): ");
3383
3384 color = GET_FGCOLOR(rstyle);
3385#ifndef NO_BRIGHTCOLOR
3386 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3387 color -= (minBrightCOLOR - minCOLOR);
3388 fprintf(stderr, "bright ");
3389 }
3390#endif
3391 fprintf(stderr, "%s on ", name[color]);
3392
3393 color = GET_BGCOLOR(rstyle);
3394#ifndef NO_BRIGHTCOLOR
3395 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3396 color -= (minBrightCOLOR - minCOLOR);
3397 fprintf(stderr, "bright ");
3398 }
3399#endif
3400 fprintf(stderr, "%s\n", name[color]);
3401}
3402#endif

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